WO2014030449A1 - Household appliance - Google Patents

Household appliance Download PDF

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Publication number
WO2014030449A1
WO2014030449A1 PCT/JP2013/068734 JP2013068734W WO2014030449A1 WO 2014030449 A1 WO2014030449 A1 WO 2014030449A1 JP 2013068734 W JP2013068734 W JP 2013068734W WO 2014030449 A1 WO2014030449 A1 WO 2014030449A1
Authority
WO
WIPO (PCT)
Prior art keywords
mist
water
appliance according
household electrical
discharge
Prior art date
Application number
PCT/JP2013/068734
Other languages
French (fr)
Japanese (ja)
Inventor
英司 品川
宏格 笹木
小嶋　健司
Original Assignee
株式会社 東芝
東芝コンシューマエレクトロニクス・ホールディングス株式会社
東芝ホームアプライアンス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社 東芝, 東芝コンシューマエレクトロニクス・ホールディングス株式会社, 東芝ホームアプライアンス株式会社 filed Critical 株式会社 東芝
Priority to CN201380042943.4A priority Critical patent/CN104582858B/en
Priority to KR1020147034830A priority patent/KR20150013754A/en
Publication of WO2014030449A1 publication Critical patent/WO2014030449A1/en

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/40—Steam generating arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/0255—Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4086—Arrangements for steam generation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/02—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids with driven tools for special purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/053—Arrangements for supplying power, e.g. charging power
    • B05B5/0533—Electrodes specially adapted therefor; Arrangements of electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/057—Arrangements for discharging liquids or other fluent material without using a gun or nozzle
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/203—Laundry conditioning arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification

Definitions

  • Embodiment of this invention is related with household appliances.
  • Patent Document 1 Conventionally, as disclosed in Patent Document 1, for example, home appliances including a mist generating device that emits a mist having a sterilizing action and the like have been considered.
  • this mist generator has a configuration including a water storage tank for storing water to be discharged as mist. As a result, the entire apparatus becomes large and the installation space is limited.
  • This embodiment provides a home electric appliance in which the mist generator is miniaturized.
  • the home appliance of this embodiment is equipped with a mist generator.
  • the mist generating device includes a mist discharging unit and a water supply unit.
  • the mist discharge unit discharges mist.
  • the water supply unit has self-water absorption that absorbs moisture in the air, and supplies the absorbed water to the mist discharge unit.
  • FIG. 1 equivalent view according to the second embodiment is a vertical side view of a refrigerator, (b) is a vertical side view of the refrigerator in the site
  • FIG. 1 equivalent view according to the fourth embodiment is a vertical side view of a refrigerator, (b) is a vertical side view of the refrigerator in the site
  • FIG. 1 equivalent view according to the fourth embodiment is a vertical side view of a refrigerator, (b) is a vertical side view of the refrigerator in the site
  • FIG. 1 is a diagram schematically showing a mist generator 10 mounted on a home appliance.
  • the mist generating device 10 has a configuration in which a discharge electrode member 12 is provided in a case 11 that constitutes an outline of the mist generating device 10.
  • the mist generator 10 includes a plurality of discharge electrode members 12.
  • the case 11 is made of, for example, an electrically insulating resin material.
  • the case 11 includes a bottomed box-shaped case main body 11a and a lid portion 11b that covers an opening of the case main body 11a.
  • the discharge electrode member 12 is formed of a porous material having water absorption and water retention, and has a pin shape with a sharp tip.
  • the tip part of the discharge electrode member 12 made of one member constitutes a mist discharge part
  • the part other than the tip part of the discharge electrode member 12 constitutes a water supply part. That is, the discharge electrode member 12 is entirely made of the same member.
  • the mist discharge portion on the distal end side is provided seamlessly and integrally with one end portion of the water supply portion on the proximal end side.
  • the discharge electrode member 12 has its tip, that is, the mist discharge portion exposed to the outside of the case 11.
  • the discharge electrode member 12 has a base end portion thereof, that is, an end portion of the water supply portion opposite to the mist discharge portion is exposed to the outside of the case 11.
  • a porous material which comprises the discharge electrode member 12 the felt material etc. which consist of fibrous polyester etc. can be considered, for example.
  • These discharge electrode members 12 have a structure in which a porous material having water absorption and water retention is impregnated with a substance having self-water absorption that absorbs moisture in the air. As a result, the discharge electrode member 12 exhibits self-water absorption that spontaneously absorbs moisture in the air when the humidity of the surrounding atmosphere becomes a predetermined value or higher.
  • a self-water-absorbing substance for example, a deliquescent substance that spontaneously absorbs and dissolves moisture in the air without requiring external energy.
  • the discharge electrode member 12 is impregnated with potassium polyphosphate, which is a phosphoric acid-based polymer, as such a deliquescent material.
  • the discharge electrode member 12 as a whole, including the mist discharge part and the water supply part has a structure having self-water absorption that absorbs moisture in the air.
  • the discharge electrode member 12 impregnated with potassium polyphosphate as a deliquescent substance starts to absorb water from the surrounding air when the ambient temperature is 5 ° C. and the humidity exceeds 40%, for example. In this case, by maintaining the ambient humidity at about 40 to 50%, the water absorbing action of the discharge electrode member 12 is stably continued.
  • the ambient temperature and humidity according to the characteristics of the substance impregnated in the discharge electrode member 12, the water absorption start condition of the discharge electrode member 12 can be controlled, and the discharge electrode member 12 can be controlled. It is possible to stabilize the water-absorbing action.
  • the deliquescent material impregnated in the discharge electrode member 12 is preferably a material that is not easily ionized as much as possible.
  • a polymer having a molecular weight of 300 or more may be used.
  • a low-molecular weight deliquescent material such as sodium chloride is ionized and eluted from the discharge electrode member 12 when the material is deliquesced, and the content of the deliquescent material gradually decreases and the discharge electrode member 12 self- This is because the water absorption is deteriorated.
  • at least one type of deliquescent material having a molecular weight of 300 or more may be impregnated in the discharge electrode member 12.
  • the discharge electrode member 12 may be impregnated with two or more types of deliquescent materials having different molecular weights on condition that at least one type of deliquescent material having a molecular weight of 300 or more is included. Further, the discharge electrode member 12 may be impregnated with a deliquescent substance having a molecular weight of 300 or more and a deliquescent substance having a molecular weight of less than 300. That is, the discharge electrode member 12 may be impregnated with, for example, a deliquescent substance having a molecular weight of about 400 and a deliquescent substance having a molecular weight of about 200, for example.
  • the discharge electrode member 12 does not have to be impregnated with a substance having self-water absorption, and a part of the discharge electrode member 12 may be impregnated with a substance having self-water absorption. That is, the discharge electrode member 12 may have a configuration in which, for example, the mist discharge portion is not impregnated with a substance having self-water absorption, and a portion other than the mist discharge portion is impregnated with a substance having self-water absorption. Further, the discharge electrode member 12 may be configured such that the mist discharge portion on the distal end side and the water supply portion on the proximal end side are different members. In this case, the member constituting the mist discharge portion may or may not be impregnated with a self-absorbing substance. On the other hand, all the members constituting the water supply unit may be impregnated with a self-absorbing substance, or a part thereof may be impregnated with a self-absorbing substance.
  • a holding member 13 made of an insulating material is provided.
  • the discharge electrode member 12 is fixed to the holding member 13 in a state of penetrating the holding member 13.
  • resin materials such as a polypropylene, can be considered, for example.
  • a conductive member 14 containing a conductive substance such as carbon is provided inside the case 11.
  • a plurality of discharge electrode members 12 are inserted into the conductive member 14 so as to penetrate therethrough.
  • a conductive rod 15 is inserted into the conductive member 14 from the outside of the case 11.
  • the base end of the conductive rod 15 is connected to the negative electrode of a high voltage power supply 15a of a power supply circuit (not shown). Thereby, a negative high voltage from the high voltage power supply 15a is applied to the discharge electrode member 12 via the conductive rod 15 and the conductive member 14, and the discharge electrode member 12 is negatively charged.
  • an example of a high voltage applying means for applying a high voltage to the discharge electrode member 12 to charge the discharge electrode member 12 from the conductive rod 15 and the high voltage power supply 15a is configured.
  • the output voltage of the high voltage power supply 15a is set to about ⁇ 6 kV, for example.
  • a counter electrode 16 for the tip of the discharge electrode member 12, that is, a mist discharge portion is provided outside the case 11.
  • the counter electrode 16 is connected to the positive electrode of the high voltage power supply 15a.
  • the counter electrode 16 is made of a conductive material such as metal, and in this case, is formed in an annular shape.
  • the shape of the counter electrode 16 is not limited to an annular shape, and may be, for example, an elliptical shape or a polygonal shape. Further, the counter electrode 16 may not be annular, and may be formed in a plate shape or a spherical shape, for example.
  • the mist generating apparatus 10 configured as described above, moisture in the air is spontaneously absorbed by the discharge electrode member 12 having self-water absorption without requiring external energy. That is, according to the configuration in which the deliquescent substance is scattered from the surface of the porous material constituting the discharge electrode member 12 to the inside, the deliquescent substance existing in the vicinity of the surface of the porous material in contact with the air is in the air. Moisture bonds chemically. The adsorbed water is absorbed into the porous material and retained by the capillary condensation of the porous material. Thereafter, the moisture is supplied to the mist discharge section.
  • the mechanism is considered as follows.
  • the mist discharge unit When absorbing moisture in the air, moisture in the air is easily absorbed in a portion of the discharge electrode member 12 exposed to the outside of the case 11. And the water
  • the mist discharge portion is configured as a part of the discharge electrode member 12 having self water absorption, and the mist discharge portion itself naturally has self water absorption. Therefore, the mist discharge unit includes moisture supplied from the water supply unit, in other words, moisture absorbed by the mist discharge unit itself, in addition to moisture that permeates from the water supply unit.
  • a negative high voltage from the high voltage power supply 15 a is applied to the discharge electrode member 12 to which water is supplied to the mist discharge portion through the conductive rod 15 and the conductive member 14 in this way.
  • the electric charge concentrates on the distal end portion of the discharge electrode member 12, that is, the mist discharge portion, and energy exceeding the surface tension is given to the water contained in the mist discharge portion.
  • release part of the discharge electrode member 12 is divided
  • an electrostatic atomization phenomenon occurs.
  • the water particles released in the form of mist are negatively charged and contain hydroxy radicals generated by the energy. Accordingly, hydroxy radicals having a strong oxidizing action are released together with mist, thereby enabling sterilization and deodorization.
  • the refrigerator 100 is configured by providing a plurality of storage chambers for storing stored items such as food as objects in a vertically long rectangular box-shaped heat insulating box body 101 whose front surface is open.
  • a refrigeration room 102 and a vegetable room 103 are provided in order from the top, and an ice making room 104 and a small freezer room (not shown) are provided side by side on the lower side.
  • the freezer compartment 105 is provided below these.
  • Both the refrigerator compartment 102 and the vegetable compartment 103 are storage compartments in a refrigerated temperature zone that is cooled to 1 to 4 ° C., for example.
  • a chilled chamber 102 a is provided at the bottom of the refrigerator compartment 102.
  • the ice making room 104, the small freezer room, and the freezer room 105 are all storage rooms in a freezing temperature zone cooled to, for example, ⁇ 10 to ⁇ 20 ° C.
  • Each storage room is provided with a rotary or drawer type heat insulating door.
  • the heat insulation box 101 is the structure which provided the heat insulating material between the outer box made from a steel plate, and the inner box made from a synthetic resin.
  • this refrigeration cycle includes a refrigeration cooler 106 for cooling the refrigeration chamber 102 and the vegetable compartment 103, and a refrigeration cooler 107 for cooling the ice making chamber 104, the small freezer compartment, and the freezer compartment 105.
  • a machine room 108 is provided on the back side of the lower end of the refrigerator 100.
  • the machine room 108 is provided with a compressor 109 and a condenser constituting a refrigeration cycle, a cooling fan, a defrosting water evaporating dish 110, a control device 111 for controlling the whole, and the like.
  • Refrigerator room 112 is provided at the back of freezer room 105 in refrigerator 100.
  • a refrigeration cooler 107 and a refrigeration blower fan 113 are disposed in the refrigeration cooler chamber 112.
  • the refrigeration cooler 107 is provided with a defrost heater (not shown).
  • the cold air generated by the refrigeration cooler 107 flows from the cold air outlet 112a on the front surface of the refrigeration cooler chamber 112 into the ice making chamber 104, the small freezer compartment, the freezer After being supplied into the chamber 105, it is circulated so as to be returned into the refrigeration cooler chamber 112 from the return port 112 b at the lower part of the refrigeration cooler chamber 112. Thereby, the ice making room 104, the small freezer room, and the freezer room 105 are cooled to the freezing temperature zone.
  • a drainage basin 114 that receives defrost water generated when the refrigeration cooler 107 is defrosted is provided below the refrigeration cooler 107. The defrost water received by the drainage basin 114 is guided to the defrost water evaporating dish 110 provided in the machine room 108 outside the warehouse and evaporates.
  • a refrigerator room 120 for refrigeration is provided behind the refrigerator compartment 102 and the vegetable compartment 103 in the refrigerator 100.
  • a refrigeration cooler 106 and a refrigeration blower fan 121 are disposed in the refrigeration cooler chamber 120.
  • the refrigeration cooler 106 is also provided with a defrost heater (not shown).
  • a cold air supply duct 122 extending upward is provided above the refrigeration cooler chamber 120.
  • the lower end portion of the cold air supply duct 122 communicates with the upper end portion of the refrigeration cooler chamber 120.
  • the front wall 120 a of the refrigeration cooler chamber 120 bulges forward from the cold air supply duct 122.
  • a heat insulating material 123 having heat insulating properties is provided on the back side of the front wall 120a.
  • a plurality of cold air supply ports 124 that open into the refrigerator compartment 102 are provided at the front of the cold air supply duct 122.
  • a drainage basin 125 is provided, which is positioned below the refrigeration cooler 106 and receives defrost water generated when the refrigeration cooler 106 is defrosted.
  • the defrosted water received by the drainage basin 125 is also led to the defrosted water evaporating dish 110 provided in the machine room 108 outside the warehouse and evaporates.
  • Refrigeration blower fan 121 is disposed behind vegetable bowl 103 at a position below drainage basin 125.
  • an air duct 126 and a suction port 127 are provided behind the vegetable compartment 103.
  • the air duct 126 extends so that the upper end of the air duct 126 circulates the drainage basin 125, and communicates with the refrigeration cooler chamber 120 and further with the cold air supply duct 122.
  • the suction port 127 is opened at the rear part of the vegetable compartment 103.
  • a communication port 128 that connects the refrigerator compartment 102 and the vegetable compartment 103 is formed at the left and right corners of the rear part of the partition wall that forms the bottom of the refrigerator compartment 102.
  • the cold air generated by the refrigeration cooler 106 passes through the cold air supply duct 122 as shown by white arrows in FIG. Is supplied to the inside of the refrigerator compartment 102 or the chilled compartment 102a, and then supplied to the vegetable compartment 103 through the communication port 128, and finally circulates so as to be sucked into the refrigerator compartment 120 for refrigeration from the inlet port 127.
  • the refrigerator compartment 102, the chilled compartment 102a, and the vegetable compartment 103 are cooled to the refrigerator temperature zone.
  • a humidification duct 130 is provided on the front side of the refrigeration cooler chamber 120 so as to be located behind the chilled chamber 102a. As shown in FIG. 3, the humidification duct 130 is formed by a duct component 131 attached to the front surface of the refrigeration cooler chamber 120. In addition, an ultrasonic humidifier 140 is disposed below the humidification duct 130 in the lower part of the refrigeration cooler chamber 120.
  • the ultrasonic humidifier 140 includes a water storage container 141 constituting a water storage section and an ultrasonic vibrator 142 provided at the bottom of the water storage container 141.
  • the water storage container 141 includes a container main body 141a having a rectangular container shape, and a cover 141b attached to the upper surface of the container main body 141a.
  • the water storage container 141 is positioned between the refrigeration cooler 106 and the drainage basin 125 in the refrigeration cooler chamber 120 and attached to the front side.
  • the cover 141b of the water storage container 141 is provided with a cylindrical humidification port 143 that is located on the upper surface of the front portion and protrudes upward. Further, the cover 141b is formed with a rectangular opening 144 positioned at the rear. The upper end of the humidifying port 143 is inserted into the humidifying duct 130 from below. The opening 144 is located below the refrigeration cooler 106. The defrost water dripped from the refrigeration cooler 106 when the refrigeration cooler 106 is defrosted is received by the container body 141a through the opening 144 and stored.
  • the cover 141b is provided with a downward partition plate 145 located between the humidification opening 143 and the opening 144.
  • the interior of the water storage container 141 is partitioned into a front chamber 141c and a rear chamber 141d by a partition plate 145.
  • the lower end portion of the partition plate 145 is spaced upward from the bottom surface of the container main body 141a. Therefore, the front chamber 141c and the rear chamber 141d communicate with each other in the lower part.
  • the ultrasonic transducer 142 is disposed at the bottom of the front chamber 141c among the bottom of the container body 141a.
  • the ultrasonic transducers 142 can set different vibration frequencies. Therefore, for example, the vibration frequency of one ultrasonic vibrator 142 is set at a frequency suitable for generating hydrogen peroxide water from water, and the vibration frequency of the other ultrasonic vibrator 142 atomizes water. Can be set at a frequency suitable for
  • a cold air supply port 130 a is provided at the upper part of the rear portion of the humidifying duct 130.
  • the cold air supply port 130 a has a rear portion communicating with the upper portion of the refrigeration cooler chamber 120 and a front portion communicating with the humidifying duct 130.
  • a part of the cold air flowing through the refrigeration cooler chamber 120 is supplied into the humidification duct 130 from the cold air supply port 130a.
  • a high-humidity cold air outlet 130 b is provided in the upper part of the front portion of the humidifying duct 130.
  • the cold air supplied from the cold air supply port 130a into the humidification duct 130 is humidified by the mist m2 in the humidification duct 130, and as shown by an arrow B1 in FIG. 3, the high-humidity cold air outlet 130b passes through the chilled chamber 102a. Supplied in.
  • a high-humidity cold air blowing duct 132 for the refrigerator compartment is provided at the upper part of the humidifying duct 130.
  • a part of the mist m2 of the humidifying duct 130 is also supplied into the refrigerator compartment 102 through the cold air supply duct 122 from the high-humidity cold air outlet duct 132 for the refrigerator compartment.
  • a high-humidity cold air outlet 133 for the vegetable room is provided at the lower part of the humidifying duct 130.
  • the high humidity and cold air outlet 133 for the vegetable room communicates with the vegetable room 103 through the communication port 128.
  • a part of the mist m2 in the humidifying duct 130 is also supplied into the vegetable compartment 103 from the high humidity and cold air outlet 133 for the vegetable compartment through the communication port 128.
  • the refrigerator 100 supplies high-humidity cold air to the storage room using the frost generated in the refrigeration cooler 106.
  • the storage rooms to which high-humidity cold air is supplied are the refrigerator compartment 102, the chilled room 102a, the vegetable compartment 103, and the like.
  • the mist generating device 10 of the present embodiment is mounted inside the humidifying duct 130, that is, at a position in contact with the humid air humidified by the ultrasonic humidifying device 140. Is done. Therefore, the mist m1 containing the hydroxy radical generated by the mist generator 10 is also released into the storage chamber together with the humidifying mist m2 generated by the ultrasonic humidifier 140. Thereby, disinfection and deodorization in a storage chamber are attained.
  • the storage rooms from which the mists m1 and m2 are discharged are the refrigerator compartment 102, the chilled room 102a, the vegetable compartment 103, and the like.
  • the mist generator 10 uses water absorbed from the air as water to be discharged as mist. Therefore, it is not necessary to provide a water storage part for storing water to be supplied to the mist discharge part, and since such a water storage part is unnecessary, it is not necessary to provide a drainage part for draining water in the water storage part. Therefore, the mist generator 10 can be reduced in size, and the degree of freedom of the installation position of the mist generator 10 can be significantly improved in the refrigerator 100 where the space is limited.
  • the mist generator 10 uses water absorbed from the air as water to be released as mist. Therefore, it is not necessary to use defrost water generated from the cooler. Therefore, it is not necessary to install the mist generating device 10 below the cooler to receive the defrosted water dripped from the cooler, and it can be installed at a position other than the lower part of the cooler. This can be further improved.
  • the mist generator 10 is the structure which can discharge
  • the casing 201 constituting the outline of the washing machine 200 has a substantially rectangular box shape whose front surface is smoothly inclined.
  • a tap water supply port 202 and a bath water supply port 203 are provided on the upper surface of the housing 201.
  • a substantially circular door 204 is provided on the front surface of the housing 201, and an operation button (not shown) for opening the door 204 is provided.
  • an operation panel 205 and a detergent input unit (not shown) are provided on the front upper portion of the housing 201.
  • the operation panel 205 is connected to a control device 206 provided on the back side of the housing 201.
  • the operation panel 205 is provided with various switches for selecting various driving courses and starting driving, for example.
  • the control device 206 includes a ROM, a RAM, and the like centered on a microcomputer, and controls the overall operation of the washing machine 200 based on various input signals and previously stored control programs.
  • a water tank 207 is disposed inside the housing 201. Inside the water tank 207, a drum 208, which is an example of a rotating tank, is disposed. Each of the water tank 207 and the drum 208 has a bottomed cylindrical shape with one end closed, and has openings 209 and 210 at the front end surface. The opening 210 of the drum 208 is surrounded by the opening 209 of the water tank 207. The opening 209 of the water tank 207 is connected to an opening 211 formed on the front surface of the housing 201 in a watertight manner by a bellows 212. A door 204 is provided in the opening 211 so as to be openable and closable. A loading / unloading opening for laundry including the openings 209, 210, and 211 is opened and closed by a door 204.
  • a liquid-sealed rotary balancer 213 is provided around the opening 210 of the drum 208.
  • a plurality of holes 214 are formed in almost the entire region of the peripheral side portion constituting the drum portion of the drum 208.
  • the hole 214 functions as a water passage hole during a washing process, a rinse process, and a dehydration process, and functions as a ventilation hole during a drying process.
  • a plurality of baffles 215 projecting inward are provided on the inner surface of the peripheral side portion of the drum 208.
  • a plurality of hot air inlets 216 are formed on the rear end surface of the drum 208 in an annular arrangement concentric with the central axis.
  • the water tank 207 has a hot air outlet 217 at the upper part of the front end surface portion.
  • the water tank 207 has a hot air inlet 218 at the upper part of the rear end face portion so as to face the rotation locus of the hot air inlet 216.
  • a water supply case 220 is connected to the upper part of the water tank 207 via a water supply hose 219.
  • a tap water supply port 202 and a bath water supply port 203 are connected to the water supply case 220 via a water supply valve 221.
  • Tap water from the tap water supply port 202 or bath water from the bath water supply port 203 is supplied to the inside of the water tank 207 via the water supply valve 221, the water supply case 220, and the water supply hose 219.
  • detergents such as a detergent, a softening finish, and a bleaching agent are charged into the water supply case 220 via a detergent charging unit. The detergents are supplied into the water tank 207 together with tap water or bath water.
  • a drain outlet 222 is formed at the bottom of the bottom of the water tank 207.
  • a drain hose 223 connected to the outside of the washing machine 200 is connected to the drain port 222.
  • a drain valve 224 is provided in the middle of the drain hose 223. As a result, the water in the water tank 207 is drained outside the apparatus.
  • a washing machine motor 225 is attached to the back surface of the water tank 207.
  • a rotating shaft 226 of the washing machine motor 225 protrudes into the water tank 207.
  • a central portion of the end surface portion on the rear side of the drum 208 is attached to the tip portion of the rotating shaft 226.
  • the drum 208 is coaxially supported by the water tank 207 so that rotation is possible. That is, the washing machine 200 has a configuration in which the drum 208 is directly rotated by the washing machine motor 225, and a direct drive system using the washing machine motor 225 is employed.
  • the washing machine motor 225 is constituted by an outer rotor type brushless DC motor.
  • the water tank 207 is elastically supported by the casing 201 by a plurality of suspensions 227, and the support form is a horizontal axis shape in which the axial direction of the water tank 207 is substantially the front-rear direction, and the axial direction of the water tank 207 Is an inclined form that inclines forward. Therefore, the drum 208 supported in the water tank 207 has the same support form.
  • a base plate 228 is disposed below the water tank 207.
  • a ventilation duct 229 is disposed on the base plate 228.
  • the ventilation duct 229 has an air inlet 230 at the top of the front end.
  • a hot air outlet 217 of the water tank 207 is connected to the air inlet 230 via a connection hose 231 and a return air duct 232.
  • the return air duct 232 is piped so as to bypass the side portion of the opening 209 of the water tank 207.
  • a casing 234 of a circulation fan 233 is connected to the rear end of the ventilation duct 229.
  • the outlet 235 of the casing 234 is connected to the hot air inlet 218 of the water tank 207 via the connection hose 236 and the air supply duct 237.
  • the air supply duct 237 is piped so as to bypass the right side of the washing machine motor 225 when viewed from the back side of the water tank 207.
  • the return air duct 232, the connection hose 231, the ventilation duct 229, the casing 234 of the circulation fan 233, the connection hose 236, and the air supply duct 237 constitute a circulation air passage 238 that is connected to the water tank 207.
  • the circulation fan 233 is constituted by a centrifugal fan. That is, the circulation fan 233 includes a centrifugal impeller 239 inside the casing 234 and a motor 240 that rotates the centrifugal impeller 239 outside the casing 234.
  • the circulation fan 233 functions as an example of a blowing unit that circulates the air in the water tank 207 including the drum 208 through the circulation air passage 238.
  • An evaporator 241 that is an example of a dehumidifying unit is disposed inside the ventilation duct 229 in the circulation air passage 238, and a condenser 242 that is an example of a heating unit is disposed at the rear.
  • the evaporator 241 and the condenser 242 have a finned tube type structure in which a large number of heat transfer fins are arranged at a fine pitch, and are excellent in heat exchange. As indicated by solid arrows in FIG. 5, the wind flowing in the ventilation duct 229 passes between the heat transfer fins.
  • the evaporator 241 and the condenser 242 constitute a heat pump 244 together with the compressor 243 and a flow rate control valve (not shown).
  • the heat pump 244 is a cycle connection of the compressor 243, the condenser 242, the flow rate control valve, and the evaporator 241 in this order by a refrigerant distribution pipe, thereby constituting a refrigeration cycle.
  • the heat pump 244 circulates the refrigerant by operating the compressor 243.
  • the heat pump 244 cools and dehumidifies the air flowing in the circulation air path 238 by the evaporator 241 and heats it by the condenser 242 to warm air.
  • the mist generating device 10 of the present embodiment is mounted in the middle of the circulation air path 238, in this case, in the lower part of the air supply duct 237. Therefore, the mist m1 containing the hydroxy radical generated by the mist generator 10 is also released into the water tank 207 together with the air flowing through the circulation air passage 238. Thereby, disinfection and deodorization in the water tank 207 are attained.
  • the mist generator 10 uses water absorbed from the air as water to be discharged as mist. Therefore, it is not necessary to provide a water storage part for storing water to be supplied to the mist discharge part, and since such a water storage part is unnecessary, it is not necessary to provide a drainage part for draining water in the water storage part. Therefore, the mist generating device 10 can be reduced in size, and the degree of freedom of the installation position of the mist generating device 10 can be significantly improved in the washing machine 200 where the space is limited.
  • the partition plate 245 is provided in the part in which the mist generating apparatus 10 is installed among the circulation air paths 238.
  • the partition plate 245 has a flange portion 245 a that is inclined downward, and faces the upper portion of the discharge electrode member 12 of the mist generator 10.
  • the air that has been dehumidified by the evaporator 241 and heated by the condenser 242, that is, dried high-temperature air, is generated. To be supplied. Therefore, during the drying operation, an environment in which the self-water absorption function of the discharge electrode member 12 is difficult to be exhibited. However, for example, during the washing operation or the rinsing operation, moisture in the water tank 207 reaches the mist generating device 10 through the circulation air passage 238. Therefore, the discharge electrode member 12 can sufficiently absorb moisture in the air.
  • the moisture absorbed in the discharge electrode member 12 during the drying operation is not misted. It is effective to set the water absorbed in the discharge electrode member 12 at a time other than the drying operation and accumulated in the discharge electrode member 12 to be mist during the drying operation.
  • mist generating device 10 may be mounted, for example, below the return air duct 232 in the middle part of the circulation air path 238. Moist air before being dehumidified by the evaporator 241 flows through this portion. Therefore, the self-water absorption function of the discharge electrode member 12 can be sufficiently exhibited.
  • mist generating device 10 mounts in a washing machine that does not include the circulation air path 238.
  • a washing machine having an air passage that sucks air from outside the machine and discharges the air to the outside through the water tank or the rotating tub
  • the intake air passage that is an upstream portion of the water tank or the rotating tub in the air passage
  • a mist generator 10 is mounted inside.
  • the mist generator 10 is mounted near the inlet of the intake air passage. Thereby, the mist generated by the mist generating device 10 can be guided into the water tank or the rotating tank together with the air flowing in the intake air passage.
  • the mist generating device 10 can be mounted in the air passage. It is also possible to mount the mist generating device 10 in a washing machine that does not have an air passage such as a circulation air passage or an intake air passage. In this case, for example, the mist generator 10 is mounted in the vicinity of a water tank or a rotating tank. Then, the mist generated by the mist generating device 10 can be sucked into the water tank or the rotary tank and taken in by rotating the rotating tank in the water tank to make the inside of the water tank have a negative pressure.
  • the mist generating device 10 can be mounted not only on the air passage but at an appropriate position of the washing machine as long as the mist can be discharged into the water tank or the rotating tank.
  • the structure which mounted the mist generator 10 in the vacuum cleaner 300 which is household appliances is demonstrated.
  • the main body 301 of the electric vacuum cleaner 300 includes a main body case 302 formed in a hollow shape with synthetic resin or the like. Inside the main body case 302, a first partition 303, a second partition 304, a third partition 305, and a fourth partition 306 are sequentially formed from the front to the rear.
  • a primary filter 307 is disposed between the first partition 303 and the second partition 304.
  • a secondary filter 308 is disposed between the second partition 304 and the third partition 305.
  • a dust collection chamber 309 is defined between the first partition 303 and the primary filter 307 inside the main body case 302, and the first intake chamber 310 is defined between the primary filter 307 and the second partition 304.
  • a second intake chamber 311 is defined between the second partition 304 and the secondary filter 308, a third intake chamber 312 is defined between the secondary filter 308 and the third partition 305, and a third A fourth intake chamber 313 is defined between the partition 305 and the fourth partition 306, and a blower chamber 314 is defined between the fourth partition 306 and the rear portion of the main body case 302.
  • the first ventilation air passage 315 that connects the second intake chamber 311 and the dust collection chamber 309 in an airtight manner, and the first intake chamber 310 and the fourth intake chamber 313 are connected in an airtight manner.
  • a second ventilation air passage 316 is formed.
  • a third ventilation air passage 317 that connects the blower chamber 314 and the second intake chamber 311 is formed inside the main body case 302.
  • a circulation air passage 318 that circulates from the blower chamber 314 to the dust collection chamber 309 side is formed by the third ventilation air passage 317, the second intake air chamber 311, and the first ventilation air passage 315.
  • a main body suction port (not shown) is provided at the front portion of the main body case 302.
  • a suction unit (not shown) that is manually operated by a user is connected to the main body suction port via a flexible hose.
  • a plurality of main body exhaust ports 319 for communicating the blower chamber 314 and the outside air are formed in the rear portion of the main body case 302.
  • An electric blower 321 is disposed inside the blower chamber 314.
  • a control device 322 that controls the entire operation of the vacuum cleaner 300 is disposed outside the blower chamber 314.
  • the mist generating device 10 of the present embodiment is mounted in the third ventilation air passage 317 constituting a part of the circulation air passage 318.
  • the first partition wall 303 is positioned to face the rear part of the main body suction port (not shown).
  • the first partition 303 is provided with a first on-off valve 331 that switches communication between the main body suction port and the dust collecting chamber 309.
  • the first on-off valve 331 is a normally open valve such as an electromagnetic valve.
  • a first ventilation air passage 315 communicates with the dust collecting chamber 309 and is airtightly connected to the first partition wall 303.
  • a second opening / closing valve 332 for switching communication and blocking between the first intake chamber 310 and the second intake chamber 311 is attached to the second partition wall 304.
  • the second on-off valve 332 is also a normally open valve such as an electromagnetic valve.
  • the third partition 305 is provided with a third on-off valve 333 that switches between communication and blocking between the third intake chamber 312 and the blower chamber 314.
  • the third on-off valve 333 is also a normally open valve such as an electromagnetic valve.
  • the fourth partition 306 includes a facing portion 341 that forms a lower portion facing the third partition 305, a protruding portion 342 that protrudes from the upper end portion of the facing portion 341 toward the front in a substantially horizontal manner, and upward from the protruding portion 342. And an extending portion 343 extending.
  • the opposed portion 341 is formed with an intake cylinder portion 344 that protrudes forward toward the third partition 305.
  • the intake cylinder portion 344 is in contact with the front end portion, that is, the front end portion, which is the upstream end portion, in contact with the rear surface of the third partition wall 305 via a seal member (not shown). Further, the inside of the intake cylinder portion 344 is airtightly connected to the third on-off valve 333.
  • an opening 345 communicating with the fourth intake chamber 313 is formed in the lower portion of the intake cylinder portion 344.
  • the protruding portion 342 is a portion that constitutes a part of the lower side of the third ventilation air passage 317.
  • a secondary filter 308 is disposed below the protrusion 342.
  • the primary filter 307 filters the dust in the air containing dust and separates it from the air. Accordingly, the dust is collected in the dust collecting chamber 309.
  • the secondary filter 308 functions as a final filter, for example. That is, the secondary filter 308 can collect dust (fine dust) that could not be collected by the primary filter 307, and for example, a surface dust collection filter such as a pleat filter having pleats (soot) along the vertical direction. Is used.
  • a dust removing device 351 that removes dust collected by the secondary filter 308 by, for example, applying vibration to the secondary filter 308 is attached to the rear portion of the secondary filter 308.
  • the first ventilation air passage 315 extends downward from the position of the front part of the secondary filter 308 of the second intake chamber 311, and passes through the lower side of the first intake chamber 310 and the dust collection chamber 309 to collect the dust collection chamber. 309 communicates with the front end of 309. Further, a fourth on-off valve 352 for switching communication and blocking between the second intake chamber 311 and the dust collection chamber 309 is attached in the first ventilation air passage 315.
  • the fourth on-off valve 352 is also a normally open valve such as an electromagnetic valve.
  • the second ventilation air passage 316 extends downward from the position of the rear portion of the primary filter 307 of the first intake chamber 310, passes through the lower portions of the second intake chamber 311 and the third intake chamber 312, and enters the fourth intake chamber. It communicates with the lower part of 313. Further, a fifth on-off valve 353 for switching communication and blocking between the first intake chamber 310 and the fourth intake chamber 313 is attached in the second ventilation air passage 316.
  • the fifth open / close valve 353 is also a normally open valve such as an electromagnetic valve.
  • the 3rd ventilation air path 317 is formed along the protrusion part 342 of the 4th partition 306 so that it may extend from the upper part of the air blower chamber 314 to the front part.
  • a sixth on-off valve 354 for switching communication and blocking between the third ventilation air passage 317 and the second intake chamber 311 is attached to the third ventilation air passage 317.
  • the sixth open / close valve 354 is also a normally open valve such as an electromagnetic valve.
  • An outside air communication port 360 is provided at the upper part of the main body case 302.
  • An outside air filter 361 for preventing entry of dust and the like into the main body case 302 is attached to the outside air communication port 360.
  • the electric blower 321 includes an intake port 321a at the front end and an exhaust port 321b on the outer periphery on the rear end side.
  • the intake port 321a of the electric blower 321 is airtightly connected to the rear end portion of the intake cylinder portion 344 of the fourth partition wall 306 via a seal member (not shown).
  • the control device 322 first sets the first on-off valve 331, the second on-off valve 332, and the third on-off valve 333 as preparations, respectively.
  • the fourth on-off valve 352, the fifth on-off valve 353, and the sixth on-off valve 354 are each maintained in the closed state.
  • the control device 322 drives the electric blower 321.
  • the dust-containing air sucked into the main body case 302 through the flexible hose from the suction portion first collects dust through the opened first on-off valve 331 as indicated by an arrow F1 in FIG.
  • the chamber 309 is reached and then separated by the primary filter 307 into relatively large dust, that is, coarse dust and air.
  • the separated coarse dust is collected in the dust collection chamber 309.
  • the air that has passed through the primary filter 307 and entered the first intake chamber 310 flows into the second intake chamber 311 through the open second on-off valve 332, and is relatively small dust by the secondary filter 308. That is, it is separated into fine dust and air.
  • the air that has passed through the secondary filter 308 and entered the third intake chamber 312 passes through the opened third on-off valve 333, and further passes through the intake cylinder portion 344 and is sucked into the electric blower 321 from the intake port 321a. It is. Then, the exhaust gas flowing out from the exhaust port 321 b of the electric blower 321 to the blower chamber 314 is discharged to the outside of the main body case 302, that is, outside the main body portion 301 through the main body exhaust port 319.
  • the control device 322 when executing the internal clean mode in the electric vacuum cleaner 300, the control device 322 first closes the first on-off valve 331, the second on-off valve 332, and the third on-off valve 333 as preparations.
  • the fourth on-off valve 352, the fifth on-off valve 353, and the sixth on-off valve 354 are each maintained in the open state.
  • the control device 322 drives the electric blower 321.
  • the output of the electric blower 321 is, for example, lower than the maximum output of the electric blower 321 in the cleaning mode.
  • the intake negative pressure is changed in the intake cylinder 344, the opening 345, the fourth intake chamber 313, the second ventilation air passage 316, the first intake chamber 310, the dust collection chamber 309, It acts on the 1st ventilation air path 315, the 2nd intake chamber 311, and the 3rd ventilation air path 317 one by one.
  • the air discharged from the exhaust port 321b of the electric blower 321 to the blower chamber 314 flows into the second intake chamber 311 via the third ventilation air passage 317 as indicated by the broken line arrow F2 in FIG. .
  • air outside the main body case 302 is sucked into the third ventilation air passage 317 from the outside air communication port 360 and flows into the second intake chamber 311.
  • the air that has flowed into the second intake chamber 311 flows into the dust collection chamber 309 via the first ventilation air passage 315 and then flows into the first intake chamber 310.
  • the air flowing into the first intake chamber 310 flows into the fourth intake chamber 313 and the intake cylinder portion 344 via the second ventilation air passage 316 and is sucked into the intake port 321a of the electric blower 321.
  • the mist generating device 10 of the present embodiment is mounted in the middle of the circulation air passage 318, in this case, in the vicinity of the outside air communication port 360 in the third ventilation air passage 317.
  • the mist generating device 10 is mounted on a portion slightly downstream of the outside air communication port 360. Therefore, in the internal clean mode, the mist containing hydroxy radicals generated by the mist generator 10 is also released into the second intake chamber 311 together with the air flowing in the circulation air passage 318. Thereby, sterilization and deodorization in the 2nd intake chamber 311 are attained. Further, the exhaust from the electric blower 321 circulates to the dust collection chamber 309 side via the circulation air passage 318.
  • the mist reaches the circulation air passage 318, the dust collection chamber 309, the first intake air chamber 310, the second ventilation air passage 316, the fourth intake air chamber 313, and the intake cylinder portion 344 and is scattered all over the body case 302. To do. Thereby, it is possible to sterilize and deodorize the entire main body case 302.
  • the mist generator 10 uses water absorbed from the air as water to be discharged as mist. Therefore, it is not necessary to provide a water storage part for storing water to be supplied to the mist discharge part, and since such a water storage part is unnecessary, it is not necessary to provide a drainage part for draining water in the water storage part. Therefore, the mist generator 10 can be reduced in size, and the degree of freedom of the installation position of the mist generator 10 can be remarkably improved in the vacuum cleaner 300 with limited space.
  • the mist generator 10 is preferably mounted in the circulation air passage 318 through which air easily passes. If it is in the circulation air passage 318, for example, it is mounted in the second intake chamber 311 or the first ventilation air passage 315. May be. Furthermore, the mist generator 10 can be mounted on other components of the vacuum cleaner 300 such as the dust collection chamber 309, the first intake chamber 310, and the second ventilation air passage 316. That is, the mist generating device 10 can be mounted at an appropriate position of the electric vacuum cleaner 300 as long as the mist generating device 10 can discharge the mist into the main body case 302.
  • mist generator 10 may be mounted at a position where air flows in the normal cleaning mode. Thereby, sterilization and deodorization in the main body case 302 can be performed even in the cleaning mode.
  • FIG. 9 is a view corresponding to FIG. 3 according to the second embodiment.
  • the refrigerator does not include the ultrasonic humidifier 140.
  • the refrigerator includes the refrigeration cooler 106 below the mist generator 10, that is, at a position where the ultrasonic humidifier 140 is disposed in FIG.
  • positioned in FIG. 3 becomes the space part through which cold air
  • frost attached to the refrigeration cooler 106 is melted by performing defrosting with a defrosting heater (not shown), and the surrounding air becomes highly humid. Thereafter, when the inside of the refrigerator is cooled, the cold air blown by the blower 121 is cooled by the refrigeration cooler 106 and is humidified by the high-humidity air around the refrigeration cooler 106. A part of the high-humidity cold air passes through the humidification duct 130 in which the mist generating device 10 is disposed and is sent to the cold air supply duct 122 as indicated by an arrow C1 in FIG. The cold air sent to the cold air supply duct 122 is supplied from the plurality of cold air supply ports 124 into the refrigerator compartment 102 or the chilled chamber 102a. At this time, the mist generating device 10 is disposed downstream of the refrigeration cooler 106 in the air flow direction.
  • the refrigerator is set to operate the mist generating device 10 during cooling in the refrigerator after the defrosting operation of the refrigeration cooler 106 is started by a defrosting heater (not shown) which is an example of a defrosting unit. ing.
  • the air around the mist generating device 10 is in a high humidity state with high humidity due to the air humidified by the defrosting. And the mist generator 10 is drive
  • the mist generator 10 can be reduced in size, and the degree of freedom of the installation position of the mist generator 10 can be significantly improved in the refrigerator 100 where the space is limited.
  • the refrigerator does not include two coolers, that is, a refrigeration cooler and a refrigeration cooler. And the refrigerator has arrange
  • the refrigerator 400 has a freezing room 403 in a freezing temperature zone arranged adjacent to the lower side of the refrigerating room 402. Moreover, the refrigerator 400 has arrange
  • FIG. In this case, the refrigerator 400 has a configuration in which a refrigerator compartment 402 and a vegetable compartment 404 which are storage compartments in a refrigeration temperature zone are vertically separated, and a freezer compartment 403 is disposed between the refrigerator compartment 402 and the vegetable compartment 404. It has become. Further, the refrigerator 400 includes only one cooler. The refrigerator 400 is configured to cool the storage room in the freezing temperature zone and the storage room in the refrigeration temperature zone by the single cooler 414.
  • a refrigerator compartment 402, a freezer compartment 403, and a vegetable compartment 404 are provided in order from the top.
  • a heat insulating partition wall 410 is provided between the refrigerator compartment 402 and the freezer compartment 403, and a heat insulating partition wall 411 is also provided between the freezer compartment 403 and the vegetable compartment 404.
  • the duct member 412 is provided in the rear part of the freezer compartment 403, as shown to Fig.10 (a).
  • the duct member 412 forms a cooler chamber 413.
  • a cooler 414, a defrost heater 415, and a blower 416 are disposed.
  • a freezing cold air supply port 417 is formed in the upper part of the duct member 412.
  • a suction port 418 is formed in the lower portion of the duct member 412.
  • a cold room duct member 419 is provided at the rear of the cold room 402.
  • the cold room duct member 419 forms a cold air duct 420 for cold storage.
  • the refrigeration cool air duct 420 extends in the vertical direction, and the lower end portion communicates with the cooler chamber 413.
  • the refrigerator compartment duct member 419 is formed with a plurality of refrigerated cold supply ports 421.
  • a damper 422 is provided at a connection portion between the cold air duct 420 for refrigeration and the cooler chamber 413. The damper 422 opens and closes the cold air duct 420 for refrigeration.
  • a suction port 423 is formed at a predetermined portion below the cold room duct member 419.
  • a mist generator 10 is provided on the ceiling of the refrigerator compartment 402.
  • a chilled chamber 402a which is an example of a sealed space, is provided at the bottom of the refrigerator compartment 402.
  • a mist generating device 10 is provided behind the chilled chamber 402a.
  • the vegetable room duct 424 is provided in the predetermined site
  • the lower end of the vegetable room duct 424 is a vegetable room cold air supply port 425.
  • the vegetable room cold air supply port 425 is disposed behind the lower case 426 and the upper case 427 in the rear part of the vegetable room 404. Accordingly, the vegetable room cold air supply port 425 is disposed at a position avoiding the position facing the upper surface opening of the upper case 427, and does not face the upper surface opening of the upper case 427.
  • a return duct 428 is provided in the heat insulating partition wall 411 on the upper side of the vegetable compartment 404.
  • An opening on the vegetable compartment 404 side of the return duct 428 is a return port 429.
  • the upper end portion of the return duct 428 communicates with the cooler chamber 413.
  • a mist generating device 10 is provided near the return port 429 in the vegetable compartment 404.
  • the vegetable compartment 404 is a drawer type, and a lower case 426 and an upper case 427 are arranged inside the vegetable room 404 so that the drawer can be pulled out.
  • a vegetable room temperature sensor 431 is provided on the lower surface of the heat insulating partition wall 411 serving as the ceiling of the vegetable room 404 so as to be positioned above the upper case 427.
  • the freezer temperature zone storage room is only the freezer room 403.
  • an ice making room and a small freezing room may be provided between the refrigerating room 402 and the vegetable room 404.
  • the compressor 432, the defrost heater 415, the blower 416, the damper 422, and the mist generating device 10 are controlled by the control device 433.
  • the blower 416 when the blower 416 is driven with the damper 422 closed, the cold air cooled by the cooler 414 is supplied into the freezer compartment 403 from the freezing cold air supply port 417. Then, the cool air in the freezer compartment 403 circulates so as to be returned from the suction port 418 into the cooler chamber 413, thereby cooling the freezer compartment 403.
  • the blower 416 when the blower 416 is driven with the damper 422 opened, a part of the cold air cooled by the cooler 414 passes through the cold air duct 420 for refrigerating from each cold air supply port 421 for refrigerating room.
  • the inside of the refrigerator compartment 402 is cooled by this.
  • the mist generator 10 disposed on the ceiling of the refrigerator compartment 402 supplies mist to the cold air blown out from the upper end of the cold air duct 420 for refrigeration.
  • the remaining cool air cooled by the cooler 414 is supplied into the freezer compartment 403.
  • the cold air that has cooled the inside of the refrigerator compartment 402 exits from the lower suction port 423 to the vegetable room duct 424 and flows downward through the vegetable room duct 424 to enter the vegetable room 404 from the vegetable room cold air supply port 425. It is supplied and the inside of the vegetable compartment 404 is cooled. That is, the vegetable room duct 424 functions as an air passage that communicates between the refrigerator room 402 and the vegetable room 404. According to this configuration, when the humidity of the vegetable compartment 404 is higher than that of the refrigerator compartment 402, some moisture moves from the vegetable compartment 404 into the refrigerator compartment 402 through the vegetable compartment duct 424, and the refrigerator compartment 402. Inside humidity can be increased.
  • the mist generator 10 provided near the return port 429 in the vegetable compartment 404 supplies mist to the cold air circulating in the vegetable compartment 404 as well.
  • the mist generating device 10 provided in the vicinity of the return duct 428 can absorb moisture from the air in the vegetable compartment 404 that has been highly humidified by transpiration from the vegetables stored in the vegetable compartment 404. Therefore, it is possible to discharge the mist by operating the mist generator 10 stably.
  • the mist generating device 10 provided in the chilled chamber 402a which is a sealed space discharges mist into the chilled chamber 402a. Therefore, the mist can be supplied into the chilled chamber 402a where the mist generator 10 provided on the ceiling of the refrigerator compartment 402 cannot supply the mist. Moreover, the mist generating apparatus 10 can generate mist stably by absorbing water from the air in the sealed space that has become highly humid due to transpiration from stored items in the chilled chamber 402a.
  • the sealed space is not limited to the chilled chamber 402 a disposed in the refrigerator compartment 402.
  • a box-shaped upper case receiving portion having an open front is provided at the ceiling in the vegetable compartment 404, and the upper case 427 is inserted into the upper case receiving portion to form a storage space that can be pulled out.
  • the mist generator 10 can be reduced in size, and the degree of freedom of the installation position of the mist generator 10 can be significantly improved in the refrigerator 400 where the space is limited.
  • mist generating apparatus 10 water is supplied to the mist generating apparatus 10 without using defrosted water generated by defrosting of the cooler 414 or water generated by a dew condensation phenomenon due to a temperature difference between a storage room in a freezing temperature zone and a storage room in a refrigeration temperature zone. it can. Therefore, the installation location of the mist generator 10 is not limited to the vicinity of the cooler 414 or the vicinity of the freezer compartment 403. Accordingly, for example, an arbitrary number of mist generating devices 10 can be arranged at an arbitrary location such as a position away from the cooler 414 or the freezer compartment 403.
  • the refrigerator 400 includes the mist generating device 10 in the refrigerated room 402, the chilled room 402a, and the vegetable room 404, respectively. Thereby, mist can be discharge
  • the discharge electrode member 22 provided in the mist generator 20 is obtained by impregnating a porous material having water absorption and water retention with a substance having self-water absorption. Accordingly, the discharge electrode member 22 exhibits self-water absorption that spontaneously absorbs moisture in the air when the humidity of the surrounding atmosphere becomes a predetermined value or higher.
  • the discharge electrode member 22 is the structure which provided the mist discharge
  • the mist generating device 20 includes two counter electrodes 26 a and 26 b for the mist emitting portions at both ends of the discharge electrode member 22.
  • mist generator 20 configured in this way, mist containing hydroxy radicals can be released from both tip portions of the discharge electrode member 22, and the sterilization effect and deodorization effect can be further improved.
  • mist generator 20 configured in this way, for example, one end of a mist discharge part of the mist generator 20 is inserted and exposed in a chilled chamber which is a sealed space, and the other end of the mist discharge part is connected to a refrigerator room or the like. By exposing outside the sealed space, mist can be simultaneously released from one mist generator 20 into both the sealed space and the space outside the sealed space.
  • the case 31 included in the mist generating device 30 includes a bottomed box-shaped case main body 31 a and does not include a member corresponding to the lid portion 11 b of the case 11.
  • a water holding member 33 in which a porous material having water absorption and water retention is impregnated with a substance having self water absorption is provided inside the case 31. Since the water retaining member 33 does not include the lid portion, the water retaining member 33 is not covered by such a lid portion, and a part thereof is exposed to the outside of the case 31. In this case, the upper surface of the water retaining member 33 is exposed to the outside of the case 31.
  • the discharge electrode member 32 in which a porous material having water absorption and water retention is impregnated with a substance having self-water absorption is fixed to the water retention member 33 in a state of penetrating the water retention member 33.
  • a water retention material which comprises the water retention member 33 the porous material which has water retention, such as urethane sponge, can be considered, for example.
  • the water retention member 33 is also impregnated with a substance having self-water absorption, and thus the water retention member 33 also has self-water absorption. In this case, the water retention member 33 also functions as a water supply unit.
  • the mist generator 30 further includes a water retaining member 33 as a water supply unit that supplies water to the discharge electrode member 32. As a result, a sufficient amount of water can be supplied to the mist emitting portion of the discharge electrode member 32, and a sufficient amount of mist containing hydroxy radicals can be secured.
  • the discharge electrode member 42 provided as a mist emitting unit in the mist generating device 40 uses carbon fibers that are linear fiber materials having conductivity, and the longitudinal direction of a plurality of carbon fibers. They are bundled so that the lengths in the direction match.
  • a water retention member 43 in which a porous material having water absorption and water retention is impregnated with a self-absorbing substance is in contact with a part of the base end portion and side portion of the discharge electrode member 42 in which a plurality of carbon fibers are bundled. is doing.
  • the discharge electrode member 42 absorbs water from the water retention member 43 from the end portion and the side portion with which the water retention member 43 contacts using the capillary phenomenon.
  • the discharge electrode member 42 supplies the water absorbed from the water retention member 43 to the mist discharge portion.
  • the carbon fiber used for the discharge electrode member 42 has a fiber diameter of about several ⁇ m, and forms an integral discharge electrode member 42 by bundling a plurality of carbon fibers so that they are in contact with each other. To maintain.
  • a cylindrical member 44 made of polyolefin is used as an example of a bundling means for bundling carbon fibers.
  • the cylindrical member 44 has a configuration in which at least an upper end portion that discharges mist and a base end portion that supplies water are protruded from the end portion of the cylindrical member 44 of the discharge electrode member 42.
  • the water retaining member 43 uses urethane sponge as a porous material, and uses potassium polyphosphate which is a deliquescent material as a substance having self-water absorption.
  • potassium polyphosphate which is a deliquescent material as a substance having self-water absorption.
  • deliquescent substances are scattered from the surface to the inside.
  • the mechanism is considered as follows. That is, when the force due to capillary condensation of the porous material exceeds the chemical binding force between the deliquescent substance and the moisture in the air, the water is separated from the deliquescent substance. The separated water moves from the vicinity of the surface in contact with the air to the inside of the porous material having relatively less water binding compared to the vicinity of the surface, and the moisture moves to the deliquescent substance existing inside. To do.
  • the moisture is expected to gradually move inward from the vicinity of the surface in contact with the air and to the vicinity of the discharge electrode member 42. Furthermore, the water that has moved to the vicinity of the discharge electrode member 42 is supplied to the inside of the discharge electrode member 42 due to the capillary phenomenon of the carbon fiber at the portion where the carbon fiber constituting the discharge electrode member 42 contacts the water retention member 43.
  • the discharge electrode member 42 is held by the water retention member 43 without penetrating the water retention member 43 in the case 41.
  • the proximal end portion of the discharge electrode member 42 is in contact with the water retention member 43. Therefore, a negative high voltage is applied to the discharge electrode member 42 through the water retained by the water retention member 43 and the conductive member 14. Also in this case, the water retaining member 43 functions as a water supply unit.
  • mist generator 40 configured as described above, a material having a fiber diameter of about several ⁇ m, such as carbon fiber, is used. Therefore, the gap between the fibers is reduced, and it becomes possible to release mist having a particle diameter of about 1 nm.
  • the discharge electrode member 42 formed by bundling a plurality of carbon fibers at least a base end portion and a part of the side portion that are in contact with the water retention member 43 and supply water protrude from the end portion of the cylindrical member 44.
  • the base end part and the side part of the discharge electrode member 42 made of carbon fiber can be satisfactorily brought into contact with the water retaining member 43, and water can be supplied more reliably.
  • the discharge electrode member 52 provided as a mist discharge portion in the mist generating device 50 uses a carbon fiber that is a linear fiber material having conductivity. They are bundled so that the lengths in the direction match.
  • a water retaining member 53 is used as an example of a bundling means for bundling carbon fibers.
  • the water retention member 53 is obtained by impregnating a porous material having water absorption and water retention with a substance having self-water absorption. Specifically, the water retaining member 53 is formed by interweaving a polyester fiber material and hardening it, and then immersing a deliquescent material containing potassium polyphosphate.
  • the shape is a bottomed cylindrical shape which does not cover the upper end part which is an edge part by the side of the discharge electrode member 52 in which mist is discharged
  • the water retaining member 53 holds a discharge electrode member 52 that functions as a mist discharge portion.
  • the water retaining member 53 absorbs moisture from the surrounding air.
  • the discharge electrode member 52 made of a plurality of carbon fibers absorbs water from the water retention member 53 by utilizing a capillary phenomenon from a portion other than the upper end portion thereof, that is, from a base end portion and a side portion in contact with the water retention member 53.
  • the discharge electrode member 52 supplies the water absorbed from the water retention member 53 to the mist discharge portion. Also in this case, the water retaining member 53 functions as a water supply unit.
  • the discharge electrode member 52 has a configuration in which a plurality of carbon fibers are bundled in contact with each other by a water retention member 53, and is configured to be energized as an integral discharge electrode member.
  • the discharge electrode member 52 is held by a holding member 54 provided at the upper end of the case 51.
  • the holding member 54 is made of an insulating material such as polypropylene. Further, the bottom surface of the water retaining member 53 and the conductive member 14 are in contact with each other. Therefore, a negative high voltage is applied to the discharge electrode member 52 via the water retention member 53.
  • mist generator 50 configured as described above, a material having a fiber diameter of about several ⁇ m, such as carbon fiber, is used. Therefore, the gap between the fibers is reduced, and it becomes possible to release mist having a particle diameter of about 1 nm.
  • both the functions of bundling the fibers and the water retaining function can be achieved with one member. Therefore, the configuration of the mist generator can be simplified.
  • the water retention member 53 is formed so as to cover other than the upper end portion of the carbon fiber, and the contact area between the proximal end portion and the side portion of the carbon fiber and the water retention member 53 is increased. Thereby, the water supply to the discharge electrode member 52 can be performed more reliably.
  • the mist generator 50 is not provided with the conductive member 14, and a negative high voltage is supplied to the discharge electrode member 52 by directly connecting the conductive rod 15 to the discharge electrode member 52 or the water retention member 53. Also good.
  • the mist generator 50 can be further downsized.
  • a discharge electrode member of a mist generator mounted on a home appliance such as a refrigerator, a washing machine, and a vacuum cleaner.
  • the platinum nanocolloid can be supported, for example, by immersing the discharge electrode member in a treatment solution containing the platinum nanocolloid and baking it.
  • platinum When platinum is reduced to a nano size such as 2 to 5 nm, for example, when it is made into fine particles, the fine particles, ie, platinum nanoparticles, become charged. When a negative charge is given to such platinum nanoparticles via the discharge electrode member, the potential of the platinum nanoparticles, that is, the oxidation-reduction potential becomes negative. When air comes into contact with platinum nanoparticles having a negative oxidation-reduction potential, the potential transfer from the oxygen molecules is promoted on the platinum nanoparticles, and negatively charged oxygen atoms are generated. The negatively charged oxygen atoms become oxygen radicals by their energy and are released from the platinum nanoparticles. The released oxygen radicals come into contact with the water particles released in the form of mist, whereby hydroxy radicals are generated.
  • platinum particles that are not as small as nano-size are supported on the discharge electrode member, such platinum particles have a positive charge and cannot generate oxygen radicals or hydroxy radicals having a strong oxidizing action. .
  • the mist generating device 60 includes an ultrasonic transducer 61 a on the bottom surface of the case 61 instead of the high voltage applying unit. That is, the mist generating device 60 imparts vibration generated from the ultrasonic transducer 61a to the discharge electrode member 62 in which a porous material having water absorption and water retention is impregnated with a substance having self water absorption. As a result, the mist generating device 60 releases the mist from the discharge electrode member 62. Then, the mist generating device 60 irradiates the mist emitted from the discharge electrode member 62 with ultraviolet rays from an ultraviolet irradiation unit (not shown) constituted by, for example, ultraviolet LEDs. As a result, hydroxy radicals are generated in the mist, and sterilization and deodorization can be performed by the mist containing such hydroxy radicals.
  • an ultraviolet irradiation unit not shown
  • mist generating device has a mist discharging part that discharges mist, a self-water-absorbing device that absorbs moisture in the air, and absorbs water.
  • a water supply unit that supplies water to the mist discharge unit.
  • the mist generator may be configured such that a counter electrode corresponding to the discharge electrode member is not provided in the vicinity of the discharge electrode member.
  • home appliances on which the mist generator is mounted include a member that is grounded via a ground wire such as a housing. Therefore, such a grounded member is configured to function as a counter electrode for the discharge electrode member.
  • the discharge itself from the discharge electrode member becomes very gentle, and the occurrence of corona discharge between the discharge electrode member and the counter electrode can be suppressed, and harmful gases such as ozone and nitrogen oxides can be prevented. Occurrence can be suppressed.
  • the mist generating device may be configured to include a container-like water storage portion into which one end of the discharge electrode member is inserted, as long as there is a sufficient installation space.
  • the water in the reservoir can be supplementarily supplied to the discharge electrode member.
  • Water can be supplemented and water can be sufficiently supplied to the discharge electrode member.
  • the water storage part functions also as a water receiving part that receives water overflowing from the discharge electrode member when water is excessively absorbed by the discharge electrode member. Therefore, once the water overflowing from the discharge electrode member is accumulated, the air around the mist generator is dried, for example, when the humidity is below a predetermined value, for example, again. It can supply to a discharge electrode member.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Electric Suction Cleaners (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Air Humidification (AREA)

Abstract

Provided is a household appliance equipped with a mist-generating device (10). The mist-generating device (10) is provided with a mist discharge part and a water supply part. The mist discharge part discharges mist. The water supply part has an intrinsic water-absorbing capacity for absorbing moisture in the air and supplies the water absorbed to the mist discharge part.

Description

家電機器Household appliances
　本発明の実施形態は、家電機器に関する。 Embodiment of this invention is related with household appliances.
　従来より、例えば特許文献１に開示されているように、除菌作用などを有するミストを放出するミスト発生装置を備えた家電機器が考えられている。しかしながら、このミスト発生装置は、ミストとして放出するための水を貯める貯水タンクを備えた構成である。そのため、装置全体が大型化し、設置スペースが制限されてしまう。 Conventionally, as disclosed in Patent Document 1, for example, home appliances including a mist generating device that emits a mist having a sterilizing action and the like have been considered. However, this mist generator has a configuration including a water storage tank for storing water to be discharged as mist. As a result, the entire apparatus becomes large and the installation space is limited.
特許第４９２９２９７号公報Japanese Patent No. 4929297
　本実施形態は、ミスト発生装置の小型化を図った家電機器を提供する。 This embodiment provides a home electric appliance in which the mist generator is miniaturized.
　本実施形態の家電機器は、ミスト発生装置を搭載する。このミスト発生装置は、ミスト放出部と給水部を備える。ミスト放出部は、ミストを放出する。給水部は、空気中の水分を吸収する自己吸水性を有し、吸水した水をミスト放出部に供給する。 The home appliance of this embodiment is equipped with a mist generator. The mist generating device includes a mist discharging unit and a water supply unit. The mist discharge unit discharges mist. The water supply unit has self-water absorption that absorbs moisture in the air, and supplies the absorbed water to the mist discharge unit.
第１実施形態に係るミスト発生装置の構成を概略的に示す断面図Sectional drawing which shows schematically the structure of the mist generator which concerns on 1st Embodiment. 冷蔵庫の構成を概略的に示す縦断側面図Vertical side view schematically showing the configuration of the refrigerator ミスト発生装置およびその周辺を拡大して示す縦断側面図Longitudinal side view of the mist generator and its surroundings 超音波加湿装置の構成を概略的に示す斜視図The perspective view which shows the structure of an ultrasonic humidifier roughly 洗濯機の構成を概略的に示す縦断側面図Longitudinal side view schematically showing the structure of the washing machine 水槽の背面図Rear view of aquarium 電気掃除機の本体部の構成を概略的に示す縦断側面図Vertical side view schematically showing the configuration of the main body of the vacuum cleaner ミスト発生装置およびその周辺を拡大して示す縦断側面図Longitudinal side view of the mist generator and its surroundings 第２実施形態に係る図３相当図FIG. 3 equivalent view according to the second embodiment 第３実施形態に係る冷蔵庫の概略構成を示すものであり、（ａ）は冷蔵庫の縦断側面図、（ｂ）は（ａ）とは異なる部位における冷蔵庫の縦断側面図The schematic structure of the refrigerator which concerns on 3rd Embodiment is shown, (a) is a vertical side view of a refrigerator, (b) is a vertical side view of the refrigerator in the site | part different from (a). 第４実施形態に係る図１相当図FIG. 1 equivalent view according to the fourth embodiment 第５実施形態に係る図１相当図FIG. 1 equivalent diagram according to the fifth embodiment 第６実施形態に係る図１相当図FIG. 1 equivalent diagram according to the sixth embodiment 第７実施形態に係る図１相当図FIG. 1 equivalent diagram according to the seventh embodiment 第９実施形態に係る図１相当図FIG. 1 equivalent view according to the ninth embodiment
　（第１実施形態）
　以下、第１実施形態に係る家電機器について説明する。図１は、家電機器に搭載されるミスト発生装置１０を概略的に示す図である。ミスト発生装置１０は、当該ミスト発生装置１０の外郭を構成するケース１１に放電極部材１２を備えた構成である。この場合、ミスト発生装置１０は、複数の放電極部材１２を備える。ケース１１は、例えば電気絶縁性の樹脂材料により形成されている。ケース１１は、有底箱状のケース本体１１ａと、ケース本体１１ａの開口部を覆う蓋部１１ｂとからなる。 (First embodiment)
Hereinafter, the home appliance according to the first embodiment will be described. FIG. 1 is a diagram schematically showing a mist generator 10 mounted on a home appliance. The mist generating device 10 has a configuration in which a discharge electrode member 12 is provided in a case 11 that constitutes an outline of the mist generating device 10. In this case, the mist generator 10 includes a plurality of discharge electrode members 12. The case 11 is made of, for example, an electrically insulating resin material. The case 11 includes a bottomed box-shaped case main body 11a and a lid portion 11b that covers an opening of the case main body 11a.
　放電極部材１２は、吸水性および保水性を有する多孔質材料で形成されたものであり、先端部が尖ったピン形状をなしている。この場合、１つの部材からなる放電極部材１２の先端部がミスト放出部を構成し、放電極部材１２のうち先端部以外の部分が給水部を構成する。即ち、放電極部材１２は、その全体が同一の部材からなる。また、この放電極部材１２において、先端側のミスト放出部は、基端側の給水部の一端部に継ぎ目なく一体的に設けられている。そして、放電極部材１２は、その先端部、つまりミスト放出部がケース１１の外部に露出している。また、放電極部材１２は、その基端部、つまり、給水部のうちミスト放出部とは反対側の端部がケース１１の外部に露出している。なお、放電極部材１２を構成する多孔質材料としては、例えば、繊維状のポリエステルからなるフェルト材などが考えられる。 The discharge electrode member 12 is formed of a porous material having water absorption and water retention, and has a pin shape with a sharp tip. In this case, the tip part of the discharge electrode member 12 made of one member constitutes a mist discharge part, and the part other than the tip part of the discharge electrode member 12 constitutes a water supply part. That is, the discharge electrode member 12 is entirely made of the same member. Further, in the discharge electrode member 12, the mist discharge portion on the distal end side is provided seamlessly and integrally with one end portion of the water supply portion on the proximal end side. The discharge electrode member 12 has its tip, that is, the mist discharge portion exposed to the outside of the case 11. Further, the discharge electrode member 12 has a base end portion thereof, that is, an end portion of the water supply portion opposite to the mist discharge portion is exposed to the outside of the case 11. In addition, as a porous material which comprises the discharge electrode member 12, the felt material etc. which consist of fibrous polyester etc. can be considered, for example.
　これら放電極部材１２は、吸水性および保水性を有する多孔質材料に、空気中の水分を吸収する自己吸水性を有する物質を含浸させた構成となっている。これにより、放電極部材１２は、周囲の雰囲気の湿度が所定値以上になると、空気中の水分を自発的に吸収する自己吸水性を発揮する。このような自己吸水性を有する物質としては、例えば、空気中の水分を外部からのエネルギーを要することなく自発的に吸収して溶解する潮解性物質が考えられる。本実施形態では、このような潮解性物質としてリン酸系の高分子であるポリリン酸カリウムが放電極部材１２に含浸されている。これにより、放電極部材１２は、ミスト放出部および給水部を含む全体が、空気中の水分を吸収する自己吸水性を有した構成となっている。 These discharge electrode members 12 have a structure in which a porous material having water absorption and water retention is impregnated with a substance having self-water absorption that absorbs moisture in the air. As a result, the discharge electrode member 12 exhibits self-water absorption that spontaneously absorbs moisture in the air when the humidity of the surrounding atmosphere becomes a predetermined value or higher. As such a self-water-absorbing substance, for example, a deliquescent substance that spontaneously absorbs and dissolves moisture in the air without requiring external energy. In this embodiment, the discharge electrode member 12 is impregnated with potassium polyphosphate, which is a phosphoric acid-based polymer, as such a deliquescent material. As a result, the discharge electrode member 12 as a whole, including the mist discharge part and the water supply part, has a structure having self-water absorption that absorbs moisture in the air.
　潮解性物質としてポリリン酸カリウムを含浸させた放電極部材１２は、例えば周囲の温度が５℃で湿度が４０％を超えると周囲の空気中からの吸水を開始する。この場合、周囲の湿度を４０～５０％程度に維持することで、放電極部材１２の吸水作用が安定して継続するようになる。このように、放電極部材１２に含浸させた物質の特性に応じて周囲の温度や湿度を調整することにより、放電極部材１２の吸水開始条件をコントロールすることができ、また、放電極部材１２の吸水作用を安定化させることができる。 The discharge electrode member 12 impregnated with potassium polyphosphate as a deliquescent substance starts to absorb water from the surrounding air when the ambient temperature is 5 ° C. and the humidity exceeds 40%, for example. In this case, by maintaining the ambient humidity at about 40 to 50%, the water absorbing action of the discharge electrode member 12 is stably continued. Thus, by adjusting the ambient temperature and humidity according to the characteristics of the substance impregnated in the discharge electrode member 12, the water absorption start condition of the discharge electrode member 12 can be controlled, and the discharge electrode member 12 can be controlled. It is possible to stabilize the water-absorbing action.
　なお、放電極部材１２に含浸する潮解性物質は、極力イオン化し難い物質を採用することが好ましく、例えば分子量３００以上の高分子を採用するとよい。例えば塩化ナトリウムなど低分子量の潮解性物質では、当該物質が潮解した際にイオン化して放電極部材１２から溶出してしまい、徐々に潮解性物質の含有量が減少して放電極部材１２の自己吸水性が劣化してしまうからである。この場合、分子量３００以上の潮解性物質は、少なくとも１種類が放電極部材１２に含浸されていればよい。さらに、分子量３００以上の潮解性物質を少なくとも１種類含むことを条件に、放電極部材１２に分子量が異なる２種類以上の潮解性物質を含浸させてもよい。また、放電極部材１２に、分子量３００以上の潮解性物質と分子量３００未満の潮解性物質とを含浸させてもよい。つまり、放電極部材１２に、例えば分子量４００程度の潮解性物質と例えば分子量２００程度の潮解性物質とを含浸させてもよい。分子量２００程度の潮解性物質のみを放電極部材１２に含浸させたとしても、その潮解性物質はイオン化して放電極部材１２から溶出し易い。しかし、分子量２００程度の潮解性物質であっても、分子量３００以上の潮解性物質とともに放電極部材１２に含浸させることで、その低分子量の潮解性物質が放電極部材１２から溶出してしまうことを抑えることができる。また、放電極部材１２に分子量が異なる２種類以上の潮解性物質を含浸させることで、放電極部材１２の自己吸水性が劣化し難くなることが確かめられている。 The deliquescent material impregnated in the discharge electrode member 12 is preferably a material that is not easily ionized as much as possible. For example, a polymer having a molecular weight of 300 or more may be used. For example, a low-molecular weight deliquescent material such as sodium chloride is ionized and eluted from the discharge electrode member 12 when the material is deliquesced, and the content of the deliquescent material gradually decreases and the discharge electrode member 12 self- This is because the water absorption is deteriorated. In this case, at least one type of deliquescent material having a molecular weight of 300 or more may be impregnated in the discharge electrode member 12. Furthermore, the discharge electrode member 12 may be impregnated with two or more types of deliquescent materials having different molecular weights on condition that at least one type of deliquescent material having a molecular weight of 300 or more is included. Further, the discharge electrode member 12 may be impregnated with a deliquescent substance having a molecular weight of 300 or more and a deliquescent substance having a molecular weight of less than 300. That is, the discharge electrode member 12 may be impregnated with, for example, a deliquescent substance having a molecular weight of about 400 and a deliquescent substance having a molecular weight of about 200, for example. Even when the discharge electrode member 12 is impregnated only with a deliquescent material having a molecular weight of about 200, the deliquescent material is easily ionized and eluted from the discharge electrode member 12. However, even if a deliquescent substance having a molecular weight of about 200 is impregnated into the discharge electrode member 12 together with a deliquescent substance having a molecular weight of 300 or more, the low molecular weight deliquescent substance is eluted from the discharge electrode member 12. Can be suppressed. Further, it has been confirmed that the self-water-absorbing property of the discharge electrode member 12 is hardly deteriorated by impregnating the discharge electrode member 12 with two or more types of deliquescent substances having different molecular weights.
　また、放電極部材１２は、その全体に自己吸水性を有する物質を含浸させなくてもよく、その一部に自己吸水性を有する物質を含浸させた構成としてもよい。即ち、放電極部材１２は、例えば、ミスト放出部には自己吸水性を有する物質を含浸させず、当該ミスト放出部以外の部分に自己吸水性を有する物質を含浸させた構成としてもよい。また、放電極部材１２は、先端側のミスト放出部と基端側の給水部とを異なる部材で構成してもよい。この場合、ミスト放出部を構成する部材には自己吸水性を有する物質を含浸させてもさせなくてもよい。一方、給水部を構成する部材には、その全部に自己吸水性を有する物質を含浸させてもよいし、その一部に自己吸水性を有する物質を含浸させてもよい。 Further, the discharge electrode member 12 does not have to be impregnated with a substance having self-water absorption, and a part of the discharge electrode member 12 may be impregnated with a substance having self-water absorption. That is, the discharge electrode member 12 may have a configuration in which, for example, the mist discharge portion is not impregnated with a substance having self-water absorption, and a portion other than the mist discharge portion is impregnated with a substance having self-water absorption. Further, the discharge electrode member 12 may be configured such that the mist discharge portion on the distal end side and the water supply portion on the proximal end side are different members. In this case, the member constituting the mist discharge portion may or may not be impregnated with a self-absorbing substance. On the other hand, all the members constituting the water supply unit may be impregnated with a self-absorbing substance, or a part thereof may be impregnated with a self-absorbing substance.
　ケース１１の内部には、絶縁性材料からなる保持部材１３が備えられている。放電極部材１２は、この保持部材１３を突き抜けた状態で当該保持部材１３に固定されている。なお、この保持部材１３を構成する絶縁性材料としては、例えばポリプロピレンなどの樹脂材料が考えられる。 In the case 11, a holding member 13 made of an insulating material is provided. The discharge electrode member 12 is fixed to the holding member 13 in a state of penetrating the holding member 13. In addition, as an insulating material which comprises this holding member 13, resin materials, such as a polypropylene, can be considered, for example.
　ケース１１の内部には、保持部材１３のほか、例えばカーボンなどの導電性物質を含む導電部材１４が備えられている。この導電部材１４には、複数の放電極部材１２が突き抜けるようにして挿入されている。また、この導電部材１４には、ケース１１の外部から導電ロッド１５が挿入されている。この導電ロッド１５の基端部は、図示しない電源回路の高電圧電源１５ａの負極に接続されている。これにより、高電圧電源１５ａからの負の高電圧が、導電ロッド１５および導電部材１４を介して放電極部材１２に印加され、当該放電極部材１２が負に帯電する。即ち、これら導電ロッド１５と高電圧電源１５ａとから、放電極部材１２に高電圧を印加して当該放電極部材１２を帯電させる高電圧印加手段の一例が構成されている。なお、この場合、高電圧電源１５ａの出力電圧は、例えば－６ｋＶ程度で設定される。 In addition to the holding member 13, a conductive member 14 containing a conductive substance such as carbon is provided inside the case 11. A plurality of discharge electrode members 12 are inserted into the conductive member 14 so as to penetrate therethrough. In addition, a conductive rod 15 is inserted into the conductive member 14 from the outside of the case 11. The base end of the conductive rod 15 is connected to the negative electrode of a high voltage power supply 15a of a power supply circuit (not shown). Thereby, a negative high voltage from the high voltage power supply 15a is applied to the discharge electrode member 12 via the conductive rod 15 and the conductive member 14, and the discharge electrode member 12 is negatively charged. That is, an example of a high voltage applying means for applying a high voltage to the discharge electrode member 12 to charge the discharge electrode member 12 from the conductive rod 15 and the high voltage power supply 15a is configured. In this case, the output voltage of the high voltage power supply 15a is set to about −6 kV, for example.
　ケース１１の外部には、放電極部材１２の先端部、つまり、ミスト放出部に対する対極１６が設けられている。この対極１６は、高電圧電源１５ａの正極に接続されている。この対極１６は、例えば金属などの導電性材料で構成され、この場合、円環状に形成されている。なお、対極１６の形状は、円環状に限られるものではなく例えば楕円環状や多角形環状であってもよい。また、対極１６は、環状でなくてもよく、例えば板状や球状に形成してもよい。 Outside the case 11, a counter electrode 16 for the tip of the discharge electrode member 12, that is, a mist discharge portion is provided. The counter electrode 16 is connected to the positive electrode of the high voltage power supply 15a. The counter electrode 16 is made of a conductive material such as metal, and in this case, is formed in an annular shape. The shape of the counter electrode 16 is not limited to an annular shape, and may be, for example, an elliptical shape or a polygonal shape. Further, the counter electrode 16 may not be annular, and may be formed in a plate shape or a spherical shape, for example.
　このように構成されたミスト発生装置１０によれば、空気中の水分が、自己吸水性を有する放電極部材１２に外部からのエネルギーを要することなく自発的に吸収される。即ち、放電極部材１２を構成する多孔質材料の表面から内部にかけて潮解性物質が点在している構成によれば、空気と接触する多孔質材料の表面付近に存在する潮解性物質に空気中の水分が化学的に結合する。そして、吸着された水は、多孔質材料の毛細管凝縮により、当該多孔質材料に吸水され、並びに、保水される。その後、水分は、ミスト放出部に供給される。そのメカニズムは、以下のように考えられる。即ち、多孔質材料の毛細管凝縮による力が潮解性物質と空気中の水分との化学的な結合力を超えると、潮解性物質から水が分離する。そして、その分離した水は、多孔質材料のうち空気と接する表面付近から空気と接しない内部へと移動する。これにより、多孔質材料に保持された一部の水分は、表面付近に比べて相対的に水との結合が少ない内部に存在する潮解性物質へと移動する。このようにして、水分は、空気と接触する表面付近から、ミスト放出部に近い側へと移動すると予想される。 According to the mist generating apparatus 10 configured as described above, moisture in the air is spontaneously absorbed by the discharge electrode member 12 having self-water absorption without requiring external energy. That is, according to the configuration in which the deliquescent substance is scattered from the surface of the porous material constituting the discharge electrode member 12 to the inside, the deliquescent substance existing in the vicinity of the surface of the porous material in contact with the air is in the air. Moisture bonds chemically. The adsorbed water is absorbed into the porous material and retained by the capillary condensation of the porous material. Thereafter, the moisture is supplied to the mist discharge section. The mechanism is considered as follows. That is, when the force due to capillary condensation of the porous material exceeds the chemical binding force between the deliquescent substance and the moisture in the air, the water is separated from the deliquescent substance. Then, the separated water moves from the vicinity of the surface in contact with air in the porous material to the inside not in contact with air. Thereby, some water | moisture content hold | maintained at the porous material moves to the deliquescent substance which exists in the inside with the coupling | bonding with water relatively few compared with the surface vicinity. In this way, moisture is expected to move from the vicinity of the surface in contact with the air to the side near the mist emitting part.
　空気中の水分を吸収する場合、放電極部材１２のうちケース１１の外部に露出している部分において空気中の水分が吸収され易くなっている。そして、放電極部材１２に吸収された水分は、当該放電極部材１２内を浸透して先端部のミスト放出部に供給される。なお、この場合、このミスト放出部は、自己吸水性を有する放電極部材１２の一部として構成されており、このミスト放出部自体も当然に自己吸水性を有している。従って、ミスト放出部には、給水部から供給された水分、換言すれば給水部から浸透する水分のほか、当該ミスト放出部自身が吸収した水分も含まれる。 When absorbing moisture in the air, moisture in the air is easily absorbed in a portion of the discharge electrode member 12 exposed to the outside of the case 11. And the water | moisture content absorbed by the discharge electrode member 12 osmose | permeates the said discharge electrode member 12, and is supplied to the mist discharge | release part of a front-end | tip part. In this case, the mist discharge portion is configured as a part of the discharge electrode member 12 having self water absorption, and the mist discharge portion itself naturally has self water absorption. Therefore, the mist discharge unit includes moisture supplied from the water supply unit, in other words, moisture absorbed by the mist discharge unit itself, in addition to moisture that permeates from the water supply unit.
　そして、このようにしてミスト放出部に水が供給された放電極部材１２には、高電圧電源１５ａからの負の高電圧が導電ロッド１５および導電部材１４を介して印加される。このとき、放電極部材１２の先端部、つまりミスト放出部に電荷が集中し、当該ミスト放出部に含まれる水に表面張力を超えるエネルギーが与えられる。これにより、放電極部材１２のミスト放出部に含まれる水が***してミスト状に放出されるようになる。即ち、放電極部材１２のミスト放出部に含まれる水は、いわゆるレイリー***によりミスト状に放出される。換言すれば、静電霧化現象が起こる。ここで、ミスト状に放出された水粒子は、負に帯電しており、そのエネルギーによって生成したヒドロキシラジカルを含んでいる。従って、強い酸化作用を有するヒドロキシラジカルがミストとともに放出されるようになり、これにより、除菌や脱臭が可能となる。 Then, a negative high voltage from the high voltage power supply 15 a is applied to the discharge electrode member 12 to which water is supplied to the mist discharge portion through the conductive rod 15 and the conductive member 14 in this way. At this time, the electric charge concentrates on the distal end portion of the discharge electrode member 12, that is, the mist discharge portion, and energy exceeding the surface tension is given to the water contained in the mist discharge portion. Thereby, the water contained in the mist discharge | release part of the discharge electrode member 12 is divided | segmented, and comes to be discharge | released in mist form. That is, the water contained in the mist discharge part of the discharge electrode member 12 is discharged in a mist form by so-called Rayleigh splitting. In other words, an electrostatic atomization phenomenon occurs. Here, the water particles released in the form of mist are negatively charged and contain hydroxy radicals generated by the energy. Accordingly, hydroxy radicals having a strong oxidizing action are released together with mist, thereby enabling sterilization and deodorization.
　次に、ミスト発生装置１０を、家電機器である冷蔵庫１００に搭載した構成について説明する。
　図２に示すように、冷蔵庫１００は、前面が開口した縦長矩形箱状の断熱箱体１０１内に、対象物として食品などの貯蔵物を収容する複数の貯蔵室を設けて構成されている。具体的には、断熱箱体１０１内には、貯蔵室として、上段から順に、冷蔵室１０２、野菜室１０３が設けられ、その下方に製氷室１０４と図示しない小冷凍室が左右に並べて設けられ、これらの下方に冷凍室１０５が設けられている。冷蔵室１０２および野菜室１０３は、何れも、例えば１～４℃に冷却される冷蔵温度帯の貯蔵室である。また、冷蔵室１０２内の最下部にはチルド室１０２ａが設けられている。製氷室１０４、小冷凍室、並びに冷凍室１０５は、何れも、例えば－１０～－２０℃に冷却される冷凍温度帯の貯蔵室である。なお、各貯蔵室には、回動式あるいは引き出し式の断熱扉が設けられている。また、断熱箱体１０１は、鋼板製の外箱と合成樹脂製の内箱との間に断熱材を設けた構成である。 Next, the structure which mounted the mist generator 10 in the refrigerator 100 which is household appliances is demonstrated.
As shown in FIG. 2, the refrigerator 100 is configured by providing a plurality of storage chambers for storing stored items such as food as objects in a vertically long rectangular box-shaped heat insulating box body 101 whose front surface is open. Specifically, in the heat insulation box 101, as a storage room, a refrigeration room 102 and a vegetable room 103 are provided in order from the top, and an ice making room 104 and a small freezer room (not shown) are provided side by side on the lower side. The freezer compartment 105 is provided below these. Both the refrigerator compartment 102 and the vegetable compartment 103 are storage compartments in a refrigerated temperature zone that is cooled to 1 to 4 ° C., for example. In addition, a chilled chamber 102 a is provided at the bottom of the refrigerator compartment 102. The ice making room 104, the small freezer room, and the freezer room 105 are all storage rooms in a freezing temperature zone cooled to, for example, −10 to −20 ° C. Each storage room is provided with a rotary or drawer type heat insulating door. Moreover, the heat insulation box 101 is the structure which provided the heat insulating material between the outer box made from a steel plate, and the inner box made from a synthetic resin.
　冷蔵庫１００内には、２つの冷却器を備える冷凍サイクルが組込まれている。即ち、この冷凍サイクルは、冷蔵室１０２および野菜室１０３を冷却するための冷蔵用冷却器１０６と、製氷室１０４、小冷凍室、冷凍室１０５を冷却するための冷凍用冷却器１０７を備える。冷蔵庫１００の下端部の背面側には機械室１０８が設けられている。機械室１０８には、冷凍サイクルを構成する圧縮機１０９および凝縮器、冷却ファン、除霜水蒸発皿１１０、全体を制御する制御装置１１１などが設けられている。 In the refrigerator 100, a refrigeration cycle including two coolers is incorporated. That is, this refrigeration cycle includes a refrigeration cooler 106 for cooling the refrigeration chamber 102 and the vegetable compartment 103, and a refrigeration cooler 107 for cooling the ice making chamber 104, the small freezer compartment, and the freezer compartment 105. A machine room 108 is provided on the back side of the lower end of the refrigerator 100. The machine room 108 is provided with a compressor 109 and a condenser constituting a refrigeration cycle, a cooling fan, a defrosting water evaporating dish 110, a control device 111 for controlling the whole, and the like.
　冷蔵庫１００内の冷凍室１０５の背部には冷凍用冷却器室１１２が設けられている。冷凍用冷却器室１１２内には、冷凍用冷却器１０７および冷凍用送風ファン１１３が配設されている。なお、冷凍用冷却器１０７には、図示しない除霜ヒータが設けられている。 Refrigerator room 112 is provided at the back of freezer room 105 in refrigerator 100. A refrigeration cooler 107 and a refrigeration blower fan 113 are disposed in the refrigeration cooler chamber 112. The refrigeration cooler 107 is provided with a defrost heater (not shown).
　この構成において、冷凍用送風ファン１１３が駆動されると、冷凍用冷却器１０７により生成された冷気は、冷凍用冷却器室１１２の前面の冷気吹出口１１２ａから製氷室１０４、小冷凍室、冷凍室１０５内に供給された後、冷凍用冷却器室１１２の下部の戻り口１１２ｂから冷凍用冷却器室１１２内に戻されるように循環する。これにより、製氷室１０４、小冷凍室、および冷凍室１０５が冷凍温度帯に冷却される。なお、冷凍用冷却器１０７の下方部には、当該冷凍用冷却器１０７の除霜時に発生する除霜水を受ける排水樋１１４が設けられている。排水樋１１４に受けられた除霜水は、庫外の機械室１０８内に設けられた除霜水蒸発皿１１０に導かれて蒸発する。 In this configuration, when the refrigeration blower fan 113 is driven, the cold air generated by the refrigeration cooler 107 flows from the cold air outlet 112a on the front surface of the refrigeration cooler chamber 112 into the ice making chamber 104, the small freezer compartment, the freezer After being supplied into the chamber 105, it is circulated so as to be returned into the refrigeration cooler chamber 112 from the return port 112 b at the lower part of the refrigeration cooler chamber 112. Thereby, the ice making room 104, the small freezer room, and the freezer room 105 are cooled to the freezing temperature zone. A drainage basin 114 that receives defrost water generated when the refrigeration cooler 107 is defrosted is provided below the refrigeration cooler 107. The defrost water received by the drainage basin 114 is guided to the defrost water evaporating dish 110 provided in the machine room 108 outside the warehouse and evaporates.
　冷蔵庫１００内における冷蔵室１０２および野菜室１０３の背部には冷蔵用冷却器室１２０が設けられている。冷蔵用冷却器室１２０内には、冷蔵用冷却器１０６および冷蔵用送風ファン１２１が配設されている。なお、冷蔵用冷却器１０６にも、図示しない除霜ヒータが設けられている。 A refrigerator room 120 for refrigeration is provided behind the refrigerator compartment 102 and the vegetable compartment 103 in the refrigerator 100. A refrigeration cooler 106 and a refrigeration blower fan 121 are disposed in the refrigeration cooler chamber 120. The refrigeration cooler 106 is also provided with a defrost heater (not shown).
　冷蔵用冷却器室１２０の上方には、上方に延びる冷気供給ダクト１２２が設けられている。冷気供給ダクト１２２の下端部には、冷蔵用冷却器室１２０の上端部が連通している。図３に示すように、冷蔵用冷却器室１２０の前部壁１２０ａは、冷気供給ダクト１２２よりも前方に膨出している。また、前部壁１２０ａの裏側には、断熱性を有する断熱材１２３が設けられている。冷気供給ダクト１２２の前部には、冷蔵室１０２内に開口する複数の冷気供給口１２４が設けられている。 A cold air supply duct 122 extending upward is provided above the refrigeration cooler chamber 120. The lower end portion of the cold air supply duct 122 communicates with the upper end portion of the refrigeration cooler chamber 120. As shown in FIG. 3, the front wall 120 a of the refrigeration cooler chamber 120 bulges forward from the cold air supply duct 122. A heat insulating material 123 having heat insulating properties is provided on the back side of the front wall 120a. A plurality of cold air supply ports 124 that open into the refrigerator compartment 102 are provided at the front of the cold air supply duct 122.
　冷蔵用冷却器室１２０内の下部には、冷蔵用冷却器１０６の下方に位置させて、冷蔵用冷却器１０６の除霜時に発生する除霜水を受ける排水樋１２５が設けられている。排水樋１２５に受けられた除霜水も、庫外の機械室１０８内に設けられた除霜水蒸発皿１１０に導かれて蒸発する。 In the lower part of the refrigeration cooler chamber 120, a drainage basin 125 is provided, which is positioned below the refrigeration cooler 106 and receives defrost water generated when the refrigeration cooler 106 is defrosted. The defrosted water received by the drainage basin 125 is also led to the defrosted water evaporating dish 110 provided in the machine room 108 outside the warehouse and evaporates.
　野菜室１０３の後方には、排水樋１２５の下方に位置させて、冷蔵用送風ファン１２１が配設されている。また、野菜室１０３の後方には、送風ダクト１２６および吸込み口１２７が設けられている。送風ダクト１２６は、上端部が排水樋１２５をう回するようにして延び、冷蔵用冷却器室１２０に、さらには冷気供給ダクト１２２に連通している。吸込み口１２７は、野菜室１０３の後部において開口している。なお、冷蔵室１０２の底部を構成する仕切壁の後部の左右の両隅部には、冷蔵室１０２と野菜室１０３とを連通する連通口１２８が形成されている。 Refrigeration blower fan 121 is disposed behind vegetable bowl 103 at a position below drainage basin 125. In addition, an air duct 126 and a suction port 127 are provided behind the vegetable compartment 103. The air duct 126 extends so that the upper end of the air duct 126 circulates the drainage basin 125, and communicates with the refrigeration cooler chamber 120 and further with the cold air supply duct 122. The suction port 127 is opened at the rear part of the vegetable compartment 103. In addition, a communication port 128 that connects the refrigerator compartment 102 and the vegetable compartment 103 is formed at the left and right corners of the rear part of the partition wall that forms the bottom of the refrigerator compartment 102.
　この構成において、冷蔵用送風ファン１２１が駆動されると、図２の白抜き矢印で示すように、冷蔵用冷却器１０６により生成された冷気は、冷気供給ダクト１２２を通り複数の冷気供給口１２４から冷蔵室１０２内あるいはチルド室１０２ａに供給された後、連通口１２８を通して野菜室１０３内にも供給され、最終的に吸込み口１２７から冷蔵用冷却器室１２０に吸い込まれるように循環する。これにより、冷蔵室１０２、チルド室１０２ａおよび野菜室１０３が冷蔵温度帯に冷却される。 In this configuration, when the refrigeration blower fan 121 is driven, the cold air generated by the refrigeration cooler 106 passes through the cold air supply duct 122 as shown by white arrows in FIG. Is supplied to the inside of the refrigerator compartment 102 or the chilled compartment 102a, and then supplied to the vegetable compartment 103 through the communication port 128, and finally circulates so as to be sucked into the refrigerator compartment 120 for refrigeration from the inlet port 127. Thereby, the refrigerator compartment 102, the chilled compartment 102a, and the vegetable compartment 103 are cooled to the refrigerator temperature zone.
　冷蔵用冷却器室１２０の前面側には、チルド室１０２ａの後方に位置させて、加湿用ダクト１３０が設けられている。加湿用ダクト１３０は、図３にも示すように、冷蔵用冷却器室１２０の前面に装着されたダクト構成部材１３１によって形成されている。そして、冷蔵用冷却器室１２０内の下部には、加湿用ダクト１３０の下方に位置させて、超音波加湿装置１４０が配設されている。 A humidification duct 130 is provided on the front side of the refrigeration cooler chamber 120 so as to be located behind the chilled chamber 102a. As shown in FIG. 3, the humidification duct 130 is formed by a duct component 131 attached to the front surface of the refrigeration cooler chamber 120. In addition, an ultrasonic humidifier 140 is disposed below the humidification duct 130 in the lower part of the refrigeration cooler chamber 120.
　超音波加湿装置１４０は、貯水部を構成する貯水容器１４１と、貯水容器１４１の底部に設けられた超音波振動子１４２を備えている。貯水容器１４１は、図４にも示すように、矩形容器状をなす容器本体１４１ａと、容器本体１４１ａの上面に装着されたカバー１４１ｂとから構成されている。貯水容器１４１は、冷蔵用冷却器室１２０内において冷蔵用冷却器１０６と排水樋１２５との間に位置させて、前部寄りに取り付けられる。 The ultrasonic humidifier 140 includes a water storage container 141 constituting a water storage section and an ultrasonic vibrator 142 provided at the bottom of the water storage container 141. As shown in FIG. 4, the water storage container 141 includes a container main body 141a having a rectangular container shape, and a cover 141b attached to the upper surface of the container main body 141a. The water storage container 141 is positioned between the refrigeration cooler 106 and the drainage basin 125 in the refrigeration cooler chamber 120 and attached to the front side.
　貯水容器１４１のカバー１４１ｂには、前部の上面に位置させて、上方へ突出する円筒状の加湿口１４３が設けられている。また、カバー１４１ｂには、後部に位置させて、矩形状の開口部１４４が形成されている。加湿口１４３の上端部は、加湿用ダクト１３０内に下方から挿入される。開口部１４４は、冷蔵用冷却器１０６の下方に位置している。冷蔵用冷却器１０６の除霜時に当該冷蔵用冷却器１０６から滴下する除霜水は、開口部１４４を通して容器本体１４１ａに受けられて貯留される。 The cover 141b of the water storage container 141 is provided with a cylindrical humidification port 143 that is located on the upper surface of the front portion and protrudes upward. Further, the cover 141b is formed with a rectangular opening 144 positioned at the rear. The upper end of the humidifying port 143 is inserted into the humidifying duct 130 from below. The opening 144 is located below the refrigeration cooler 106. The defrost water dripped from the refrigeration cooler 106 when the refrigeration cooler 106 is defrosted is received by the container body 141a through the opening 144 and stored.
　また、カバー１４１ｂには、加湿口１４３と開口部１４４との間に位置させて、下向きの仕切板１４５が設けられている。貯水容器１４１内は、仕切板１４５によって、前部室１４１ｃと後部室１４１ｄとに仕切られている。仕切板１４５の下端部は、容器本体１４１ａの底面から上方へ離間している。よって、前部室１４１ｃと後部室１４１ｄとは下部において連通している。貯水容器１４１は、冷蔵用冷却器室１２０に取り付けられた状態では、上部が冷蔵用冷却器１０６から離間し、後部が冷蔵用冷却器室１２０の後部内面から離間し、下部が排水樋１２５から離間している。 Also, the cover 141b is provided with a downward partition plate 145 located between the humidification opening 143 and the opening 144. The interior of the water storage container 141 is partitioned into a front chamber 141c and a rear chamber 141d by a partition plate 145. The lower end portion of the partition plate 145 is spaced upward from the bottom surface of the container main body 141a. Therefore, the front chamber 141c and the rear chamber 141d communicate with each other in the lower part. When the water storage container 141 is attached to the refrigeration cooler chamber 120, the upper portion is separated from the refrigeration cooler 106, the rear portion is separated from the rear inner surface of the refrigeration cooler chamber 120, and the lower portion is separated from the drainage basin 125. It is separated.
　超音波振動子１４２は、容器本体１４１ａの底部のうち前部室１４１ｃの底部に配置されている。超音波振動子１４２が振動することで貯水容器１４１内の水が霧化されて、ミストｍ２として加湿口１４３から加湿用ダクト１３０に放出される。なお、この場合、超音波振動子１４２は、それぞれ異なった振動周波数を設定することができる。よって、例えば、一方の超音波振動子１４２の振動周波数は、水から過酸化水素水を生成するのに適した周波数で設定し、他方の超音波振動子１４２の振動周波数は、水を霧化するのに適した周波数で設定することができる。 The ultrasonic transducer 142 is disposed at the bottom of the front chamber 141c among the bottom of the container body 141a. When the ultrasonic vibrator 142 vibrates, the water in the water storage container 141 is atomized and discharged as mist m2 from the humidification opening 143 to the humidification duct 130. In this case, the ultrasonic transducers 142 can set different vibration frequencies. Therefore, for example, the vibration frequency of one ultrasonic vibrator 142 is set at a frequency suitable for generating hydrogen peroxide water from water, and the vibration frequency of the other ultrasonic vibrator 142 atomizes water. Can be set at a frequency suitable for
　加湿用ダクト１３０の後部の上部には冷気供給口１３０ａが設けられている。冷気供給口１３０ａは、後部が冷蔵用冷却器室１２０の上部に連通し、前部が加湿用ダクト１３０に連通している。図３の矢印Ａ１で示すように、冷蔵用冷却器室１２０を流れる冷気の一部は、冷気供給口１３０ａから加湿用ダクト１３０内に供給される。加湿用ダクト１３０の前部の上部には高湿冷気吹出口１３０ｂが設けられている。冷気供給口１３０ａから加湿用ダクト１３０内に供給された冷気は、加湿用ダクト１３０内のミストｍ２によって加湿されて、図３の矢印Ｂ１で示すように、高湿冷気吹出口１３０ｂからチルド室１０２ａ内に供給される。 A cold air supply port 130 a is provided at the upper part of the rear portion of the humidifying duct 130. The cold air supply port 130 a has a rear portion communicating with the upper portion of the refrigeration cooler chamber 120 and a front portion communicating with the humidifying duct 130. As indicated by an arrow A1 in FIG. 3, a part of the cold air flowing through the refrigeration cooler chamber 120 is supplied into the humidification duct 130 from the cold air supply port 130a. A high-humidity cold air outlet 130 b is provided in the upper part of the front portion of the humidifying duct 130. The cold air supplied from the cold air supply port 130a into the humidification duct 130 is humidified by the mist m2 in the humidification duct 130, and as shown by an arrow B1 in FIG. 3, the high-humidity cold air outlet 130b passes through the chilled chamber 102a. Supplied in.
　なお、加湿用ダクト１３０の上部には、冷蔵室向け高湿冷気吹出ダクト１３２が設けられている。図３の矢印Ｂ２で示すように、加湿用ダクト１３０のミストｍ２の一部は、冷蔵室向け高湿冷気吹出ダクト１３２から冷気供給ダクト１２２を通して冷蔵室１０２内にも供給される。さらに、加湿用ダクト１３０の下部には、野菜室向け高湿冷気吹出口１３３が設けられている。野菜室向け高湿冷気吹出口１３３は、連通口１２８を通して野菜室１０３と連通している。図３の矢印Ｂ３で示すように、加湿用ダクト１３０内のミストｍ２の一部は、野菜室向け高湿冷気吹出口１３３から連通口１２８を通して野菜室１０３内にも供給される。 Note that a high-humidity cold air blowing duct 132 for the refrigerator compartment is provided at the upper part of the humidifying duct 130. As indicated by an arrow B2 in FIG. 3, a part of the mist m2 of the humidifying duct 130 is also supplied into the refrigerator compartment 102 through the cold air supply duct 122 from the high-humidity cold air outlet duct 132 for the refrigerator compartment. Furthermore, a high-humidity cold air outlet 133 for the vegetable room is provided at the lower part of the humidifying duct 130. The high humidity and cold air outlet 133 for the vegetable room communicates with the vegetable room 103 through the communication port 128. As indicated by an arrow B3 in FIG. 3, a part of the mist m2 in the humidifying duct 130 is also supplied into the vegetable compartment 103 from the high humidity and cold air outlet 133 for the vegetable compartment through the communication port 128.
　以上のように、冷蔵庫１００は、冷蔵用冷却器１０６に発生した霜を用いて貯蔵室に高湿の冷気を供給する。この場合、高湿の冷気が供給される貯蔵室は、冷蔵室１０２、チルド室１０２ａ、野菜室１０３などである。 As described above, the refrigerator 100 supplies high-humidity cold air to the storage room using the frost generated in the refrigeration cooler 106. In this case, the storage rooms to which high-humidity cold air is supplied are the refrigerator compartment 102, the chilled room 102a, the vegetable compartment 103, and the like.
　このような構成の冷蔵庫１００において、本実施形態のミスト発生装置１０は、この場合、加湿用ダクト１３０の内部、つまり、超音波加湿装置１４０により加湿された高湿の空気に接触する位置に搭載される。よって、ミスト発生装置１０が生成するヒドロキシラジカルを含むミストｍ１も、超音波加湿装置１４０が生成する加湿用のミストｍ２とともに貯蔵室内に放出される。これにより、貯蔵室内の除菌や脱臭が可能となる。この場合、ミストｍ１，ｍ２が放出される貯蔵室は、冷蔵室１０２、チルド室１０２ａ、野菜室１０３などである。 In the refrigerator 100 having such a configuration, in this case, the mist generating device 10 of the present embodiment is mounted inside the humidifying duct 130, that is, at a position in contact with the humid air humidified by the ultrasonic humidifying device 140. Is done. Therefore, the mist m1 containing the hydroxy radical generated by the mist generator 10 is also released into the storage chamber together with the humidifying mist m2 generated by the ultrasonic humidifier 140. Thereby, disinfection and deodorization in a storage chamber are attained. In this case, the storage rooms from which the mists m1 and m2 are discharged are the refrigerator compartment 102, the chilled room 102a, the vegetable compartment 103, and the like.
　この場合、ミスト発生装置１０は、ミストとして放出するための水として、空気中から吸収した水を利用する。そのため、ミスト放出部に供給する水を貯めておく貯水部を備える必要がなく、また、このような貯水部が不要であることから貯水部内の水を排水する排水部を備える必要もない。よって、ミスト発生装置１０の小型化を図ることができ、スペースが限られた冷蔵庫１００の内部において、ミスト発生装置１０の設置位置の自由度を格段に向上することができる。 In this case, the mist generator 10 uses water absorbed from the air as water to be discharged as mist. Therefore, it is not necessary to provide a water storage part for storing water to be supplied to the mist discharge part, and since such a water storage part is unnecessary, it is not necessary to provide a drainage part for draining water in the water storage part. Therefore, the mist generator 10 can be reduced in size, and the degree of freedom of the installation position of the mist generator 10 can be significantly improved in the refrigerator 100 where the space is limited.
　また、ミスト発生装置１０は、ミストとして放出するための水として、空気中から吸収した水を利用する。そのため、冷却器から発生した除霜水を利用する必要がない。従って、冷却器から滴下される除霜水を受けるべくミスト発生装置１０を冷却器の下方に設置する必要がなく、冷却器の下方以外の位置に設置することができ、設置位置の自由度を一層向上することができる。 Also, the mist generator 10 uses water absorbed from the air as water to be released as mist. Therefore, it is not necessary to use defrost water generated from the cooler. Therefore, it is not necessary to install the mist generating device 10 below the cooler to receive the defrosted water dripped from the cooler, and it can be installed at a position other than the lower part of the cooler. This can be further improved.
　なお、ミスト発生装置１０は、貯蔵室内にミストを放出できる構成であれば、冷蔵庫１００の適宜の位置に搭載することができる。
　次に、ミスト発生装置１０を、家電機器である洗濯機２００に搭載した構成について説明する。 In addition, if the mist generator 10 is the structure which can discharge | release mist in a storage chamber, it can be mounted in the appropriate position of the refrigerator 100. FIG.
Next, the structure which mounted the mist generator 10 in the washing machine 200 which is household appliances is demonstrated.
　図５に示すように、洗濯機２００の外郭を構成する筐体２０１は、前面が滑らかに傾斜したほぼ矩形箱状をなしている。筐体２０１の上面には、水道水用給水口２０２および風呂水用給水口２０３が設けられている。 As shown in FIG. 5, the casing 201 constituting the outline of the washing machine 200 has a substantially rectangular box shape whose front surface is smoothly inclined. A tap water supply port 202 and a bath water supply port 203 are provided on the upper surface of the housing 201.
　筐体２０１の前面には、ほぼ円形状の扉２０４が設けられているとともに、当該扉２０４を開くための図示しない操作ボタンが設けられている。また、筐体２０１の前面上部には、操作パネル２０５や図示しない洗剤類投入部が設けられている。操作パネル２０５は、筐体２０１の裏側に設けられた制御装置２０６に接続されている。また、操作パネル２０５には、例えば各種運転コースを選択したり運転を開始させるための各種スイッチが設けられている。なお、制御装置２０６は、マイクロコンピュータを中心としてＲＯＭ，ＲＡＭなどを備えて構成されており、各種の入力信号や予め記憶された制御プログラムに基づいて、洗濯機２００の動作全般を制御する。 A substantially circular door 204 is provided on the front surface of the housing 201, and an operation button (not shown) for opening the door 204 is provided. In addition, an operation panel 205 and a detergent input unit (not shown) are provided on the front upper portion of the housing 201. The operation panel 205 is connected to a control device 206 provided on the back side of the housing 201. In addition, the operation panel 205 is provided with various switches for selecting various driving courses and starting driving, for example. The control device 206 includes a ROM, a RAM, and the like centered on a microcomputer, and controls the overall operation of the washing machine 200 based on various input signals and previously stored control programs.
　筐体２０１の内部には水槽２０７が配設されている。水槽２０７の内部には、回転槽の一例であるドラム２０８が配設されている。
　水槽２０７およびドラム２０８は、何れも、一端部が閉塞された有底円筒状を成しており、前側の端面部に、それぞれ開口部２０９，２１０を有している。ドラム２０８の開口部２１０は、水槽２０７の開口部２０９によって囲まれている。水槽２０７の開口部２０９は、筐体２０１の前面部に形成された開口部２１１にベローズ２１２によって水密に連ねられている。開口部２１１には、扉２０４が開閉可能に設けられている。開口部２０９，２１０，２１１からなる洗濯物の出し入れ用の投入口は、扉２０４によって開閉される。 A water tank 207 is disposed inside the housing 201. Inside the water tank 207, a drum 208, which is an example of a rotating tank, is disposed.
Each of the water tank 207 and the drum 208 has a bottomed cylindrical shape with one end closed, and has openings 209 and 210 at the front end surface. The opening 210 of the drum 208 is surrounded by the opening 209 of the water tank 207. The opening 209 of the water tank 207 is connected to an opening 211 formed on the front surface of the housing 201 in a watertight manner by a bellows 212. A door 204 is provided in the opening 211 so as to be openable and closable. A loading / unloading opening for laundry including the openings 209, 210, and 211 is opened and closed by a door 204.
　ドラム２０８の開口部２１０の周囲には、例えば液体封入型の回転バランサ２１３が設けられている。ドラム２０８の胴部を構成する周側部のほぼ全域には、複数の孔２１４が形成されている。孔２１４は、洗い行程時、すすぎ行程時および脱水行程時には通水孔として機能し、乾燥行程時には通風孔として機能する。ドラム２０８の周側部の内面には、内方に突出する複数のバッフル２１５が設けられている。ドラム２０８の後側の端面部には、その中心軸と同心となる環状の配置によって複数の温風導入口２１６が形成されている。水槽２０７は、前側の端面部の上部に温風出口２１７を有する。また、水槽２０７は、後側の端面部の上部に、温風導入口２１６の回転軌跡に対向させて温風入口２１８を有する。 Around the opening 210 of the drum 208, for example, a liquid-sealed rotary balancer 213 is provided. A plurality of holes 214 are formed in almost the entire region of the peripheral side portion constituting the drum portion of the drum 208. The hole 214 functions as a water passage hole during a washing process, a rinse process, and a dehydration process, and functions as a ventilation hole during a drying process. A plurality of baffles 215 projecting inward are provided on the inner surface of the peripheral side portion of the drum 208. A plurality of hot air inlets 216 are formed on the rear end surface of the drum 208 in an annular arrangement concentric with the central axis. The water tank 207 has a hot air outlet 217 at the upper part of the front end surface portion. In addition, the water tank 207 has a hot air inlet 218 at the upper part of the rear end face portion so as to face the rotation locus of the hot air inlet 216.
　水槽２０７の上部には、給水ホース２１９を介して給水ケース２２０が接続されている。給水ケース２２０には、給水弁２２１を介して、水道水用給水口２０２および風呂水用給水口２０３が接続されている。水道水用給水口２０２からの水道水あるいは風呂水用給水口２０３からの風呂水は、給水弁２２１，給水ケース２２０，給水ホース２１９を介して水槽２０７の内部に供給される。なお、給水ケース２２０には、洗剤類投入部を介して、洗剤、柔軟仕上げ剤、漂白剤などの洗剤類が投入される。洗剤類は、水道水あるいは風呂水とともに水槽２０７内に供給される。 A water supply case 220 is connected to the upper part of the water tank 207 via a water supply hose 219. A tap water supply port 202 and a bath water supply port 203 are connected to the water supply case 220 via a water supply valve 221. Tap water from the tap water supply port 202 or bath water from the bath water supply port 203 is supplied to the inside of the water tank 207 via the water supply valve 221, the water supply case 220, and the water supply hose 219. In addition, detergents such as a detergent, a softening finish, and a bleaching agent are charged into the water supply case 220 via a detergent charging unit. The detergents are supplied into the water tank 207 together with tap water or bath water.
　水槽２０７の底部の最後部には、排水口２２２が形成されている。排水口２２２には、洗濯機２００の外部に連なる排水ホース２２３が接続されている。排水ホース２２３の途中には排水弁２２４が設けられている。これらにより、水槽２０７内の水が機外に排水される。 A drain outlet 222 is formed at the bottom of the bottom of the water tank 207. A drain hose 223 connected to the outside of the washing machine 200 is connected to the drain port 222. A drain valve 224 is provided in the middle of the drain hose 223. As a result, the water in the water tank 207 is drained outside the apparatus.
　水槽２０７の背面部には、洗濯機モータ２２５が取り付けてられている。洗濯機モータ２２５の回転軸２２６は水槽２０７内に突出している。回転軸２２６の先端部には、ドラム２０８の後側の端面部の中心部分が取り付けられている。これにより、ドラム２０８は、水槽２０７に同軸状で回転可能に支持されている。即ち、洗濯機２００は、ドラム２０８を洗濯機モータ２２５によって直接的に回転駆動する構成であり、洗濯機モータ２２５によるダイレクトドライブ方式を採用している。また、洗濯機モータ２２５は、この場合、アウターロータ型のブラシレスＤＣモータで構成されている。 A washing machine motor 225 is attached to the back surface of the water tank 207. A rotating shaft 226 of the washing machine motor 225 protrudes into the water tank 207. A central portion of the end surface portion on the rear side of the drum 208 is attached to the tip portion of the rotating shaft 226. Thereby, the drum 208 is coaxially supported by the water tank 207 so that rotation is possible. That is, the washing machine 200 has a configuration in which the drum 208 is directly rotated by the washing machine motor 225, and a direct drive system using the washing machine motor 225 is employed. In this case, the washing machine motor 225 is constituted by an outer rotor type brushless DC motor.
　水槽２０７は、複数のサスペンション２２７によって筐体２０１に弾性支持されており、その支持形態は、水槽２０７の軸方向がほぼ前後方向となる横軸状の形態であり、しかも、水槽２０７の軸方向が前上がりに傾斜する傾斜状の形態である。従って、この水槽２０７内に支持されたドラム２０８も、同じ支持形態となっている。 The water tank 207 is elastically supported by the casing 201 by a plurality of suspensions 227, and the support form is a horizontal axis shape in which the axial direction of the water tank 207 is substantially the front-rear direction, and the axial direction of the water tank 207 Is an inclined form that inclines forward. Therefore, the drum 208 supported in the water tank 207 has the same support form.
　筐体２０１の底面上には、水槽２０７の下方に位置させて、台板２２８が配置されている。台板２２８上には通風ダクト２２９が配置されている。通風ダクト２２９は、前端部の上部に吸風口２３０を有している。吸風口２３０には、接続ホース２３１および還風ダクト２３２を介して、水槽２０７の温風出口２１７が接続されている。なお、還風ダクト２３２は、水槽２０７の開口部２０９の側部を迂回するように配管されている。 On the bottom surface of the casing 201, a base plate 228 is disposed below the water tank 207. A ventilation duct 229 is disposed on the base plate 228. The ventilation duct 229 has an air inlet 230 at the top of the front end. A hot air outlet 217 of the water tank 207 is connected to the air inlet 230 via a connection hose 231 and a return air duct 232. The return air duct 232 is piped so as to bypass the side portion of the opening 209 of the water tank 207.
　通風ダクト２２９の後端部には、循環用送風機２３３のケーシング２３４が連設されている。ケーシング２３４の出口部２３５は、接続ホース２３６および給風ダクト２３７を介して、水槽２０７の温風入口２１８に接続されている。なお、給風ダクト２３７は、図６に示すように、水槽２０７の背面側から見て、洗濯機モータ２２５の右側を迂回するように配管されている。還風ダクト２３２，接続ホース２３１，通風ダクト２２９，循環用送風機２３３のケーシング２３４，接続ホース２３６，給風ダクト２３７によって、水槽２０７に連通接続された循環風路２３８が構成されている。 A casing 234 of a circulation fan 233 is connected to the rear end of the ventilation duct 229. The outlet 235 of the casing 234 is connected to the hot air inlet 218 of the water tank 207 via the connection hose 236 and the air supply duct 237. As shown in FIG. 6, the air supply duct 237 is piped so as to bypass the right side of the washing machine motor 225 when viewed from the back side of the water tank 207. The return air duct 232, the connection hose 231, the ventilation duct 229, the casing 234 of the circulation fan 233, the connection hose 236, and the air supply duct 237 constitute a circulation air passage 238 that is connected to the water tank 207.
　循環用送風機２３３は、この場合、遠心ファンで構成されている。即ち、循環用送風機２３３は、ケーシング２３４の内部に遠心羽根車２３９を有しているとともに、その遠心羽根車２３９を回転させるモータ２４０をケーシング２３４の外部に有している。循環用送風機２３３は、ドラム２０８を含む水槽２０７内の空気を、循環風路２３８を通して循環させる送風手段の一例として機能する。 In this case, the circulation fan 233 is constituted by a centrifugal fan. That is, the circulation fan 233 includes a centrifugal impeller 239 inside the casing 234 and a motor 240 that rotates the centrifugal impeller 239 outside the casing 234. The circulation fan 233 functions as an example of a blowing unit that circulates the air in the water tank 207 including the drum 208 through the circulation air passage 238.
　循環風路２３８のうち通風ダクト２２９の内部には、前部に位置させて、除湿手段の一例である蒸発器２４１が配置され、後部に位置させて、加熱手段の一例である凝縮器２４２が配置されている。蒸発器２４１および凝縮器２４２は、多数の伝熱フィンを細かいピッチで配設してなるフィン付きチューブ型の構成であり、熱交換性に優れている。図５に実線矢印で示すように、通風ダクト２２９内を流れる風は、伝熱フィンの各間を通る。 An evaporator 241 that is an example of a dehumidifying unit is disposed inside the ventilation duct 229 in the circulation air passage 238, and a condenser 242 that is an example of a heating unit is disposed at the rear. Has been placed. The evaporator 241 and the condenser 242 have a finned tube type structure in which a large number of heat transfer fins are arranged at a fine pitch, and are excellent in heat exchange. As indicated by solid arrows in FIG. 5, the wind flowing in the ventilation duct 229 passes between the heat transfer fins.
　蒸発器２４１および凝縮器２４２は、圧縮機２４３、および、図示しない流量制御弁とともにヒートポンプ２４４を構成している。ヒートポンプ２４４は、冷媒流通パイプによって、圧縮機２４３，凝縮器２４２，流量制御弁，蒸発器２４１の順にこれらをサイクル接続しており、これにより、冷凍サイクルを構成している。ヒートポンプ２４４は、圧縮機２４３を作動させることによって冷媒を循環させる。そして、ヒートポンプ２４４は、循環風路２３８内を流れる空気を、蒸発器２４１によって冷却除湿し、凝縮器２４２によって加熱して温風化する。 The evaporator 241 and the condenser 242 constitute a heat pump 244 together with the compressor 243 and a flow rate control valve (not shown). The heat pump 244 is a cycle connection of the compressor 243, the condenser 242, the flow rate control valve, and the evaporator 241 in this order by a refrigerant distribution pipe, thereby constituting a refrigeration cycle. The heat pump 244 circulates the refrigerant by operating the compressor 243. The heat pump 244 cools and dehumidifies the air flowing in the circulation air path 238 by the evaporator 241 and heats it by the condenser 242 to warm air.
　このような構成の洗濯機２００において、本実施形態のミスト発生装置１０は、循環風路２３８の途中部分、この場合、給風ダクト２３７の下部に搭載される。よって、ミスト発生装置１０が生成するヒドロキシラジカルを含むミストｍ１も、循環風路２３８内を流れる空気とともに水槽２０７内に放出される。これにより、水槽２０７内の除菌や脱臭が可能となる。 In the washing machine 200 having such a configuration, the mist generating device 10 of the present embodiment is mounted in the middle of the circulation air path 238, in this case, in the lower part of the air supply duct 237. Therefore, the mist m1 containing the hydroxy radical generated by the mist generator 10 is also released into the water tank 207 together with the air flowing through the circulation air passage 238. Thereby, disinfection and deodorization in the water tank 207 are attained.
　この場合も、ミスト発生装置１０は、ミストとして放出するための水として、空気中から吸収した水を利用する。そのため、ミスト放出部に供給する水を貯めておく貯水部を備える必要がなく、また、このような貯水部が不要であることから貯水部内の水を排水する排水部を備える必要もない。よって、ミスト発生装置１０の小型化を図ることができ、スペースが限られた洗濯機２００の内部において、ミスト発生装置１０の設置位置の自由度を格段に向上することができる。 In this case as well, the mist generator 10 uses water absorbed from the air as water to be discharged as mist. Therefore, it is not necessary to provide a water storage part for storing water to be supplied to the mist discharge part, and since such a water storage part is unnecessary, it is not necessary to provide a drainage part for draining water in the water storage part. Therefore, the mist generating device 10 can be reduced in size, and the degree of freedom of the installation position of the mist generating device 10 can be significantly improved in the washing machine 200 where the space is limited.
　なお、循環風路２３８のうちミスト発生装置１０が設置される部分には仕切り板２４５が設けられている。仕切り板２４５は、下方に傾斜した庇部２４５ａを有しているとともに、ミスト発生装置１０の放電極部材１２の上方に対向する。これにより、図５に破線矢印で示すように、循環風路２３８内を流れる空気の一部は、ミスト発生装置１０側に供給されて放電極部材１２およびその周辺部分を通過した後に、循環風路２３８に合流する。 In addition, the partition plate 245 is provided in the part in which the mist generating apparatus 10 is installed among the circulation air paths 238. The partition plate 245 has a flange portion 245 a that is inclined downward, and faces the upper portion of the discharge electrode member 12 of the mist generator 10. As a result, as indicated by broken line arrows in FIG. 5, after a part of the air flowing in the circulation air passage 238 is supplied to the mist generator 10 side and passes through the discharge electrode member 12 and its peripheral portion, Merge onto Road 238.
　また、ミスト発生装置１０を循環風路２３８に搭載した洗濯機２００では、乾燥運転時には、蒸発器２４１によって除湿され凝縮器２４２によって加熱された空気、つまり、乾燥した高温の空気がミスト発生装置１０に供給される。そのため、乾燥運転時においては、放電極部材１２の自己吸水機能が発揮され難い環境となる。しかし、例えば洗濯運転時やすすぎ運転時には、水槽２０７内の湿気が循環風路２３８を通してミスト発生装置１０にも到達する。そのため、放電極部材１２に空気中の水分を十分に吸収することができる。即ち、ミスト発生装置１０を循環風路２３８に搭載した洗濯機２００において、乾燥運転時にミストを発生する場合には、乾燥運転実行中に放電極部材１２に吸収した水分をミスト化するのではなく、乾燥運転以外のときに放電極部材１２に吸収して当該放電極部材１２に蓄積しておいた水分を乾燥運転時にミスト化するように設定すると効果的である。 Further, in the washing machine 200 in which the mist generating device 10 is mounted on the circulation air path 238, during the drying operation, the air that has been dehumidified by the evaporator 241 and heated by the condenser 242, that is, dried high-temperature air, is generated. To be supplied. Therefore, during the drying operation, an environment in which the self-water absorption function of the discharge electrode member 12 is difficult to be exhibited. However, for example, during the washing operation or the rinsing operation, moisture in the water tank 207 reaches the mist generating device 10 through the circulation air passage 238. Therefore, the discharge electrode member 12 can sufficiently absorb moisture in the air. That is, in the washing machine 200 in which the mist generating device 10 is mounted on the circulation air path 238, when mist is generated during the drying operation, the moisture absorbed in the discharge electrode member 12 during the drying operation is not misted. It is effective to set the water absorbed in the discharge electrode member 12 at a time other than the drying operation and accumulated in the discharge electrode member 12 to be mist during the drying operation.
　また、ミスト発生装置１０は、循環風路２３８の途中部分のうち例えば還風ダクト２３２の下部に搭載してもよい。この部分には、蒸発器２４１により除湿される前の湿った空気が流れる。そのため、放電極部材１２の自己吸水機能を十分に発揮することができる。 Further, the mist generating device 10 may be mounted, for example, below the return air duct 232 in the middle part of the circulation air path 238. Moist air before being dehumidified by the evaporator 241 flows through this portion. Therefore, the self-water absorption function of the discharge electrode member 12 can be sufficiently exhibited.
　また、循環風路２３８を備えていない洗濯機にミスト発生装置１０を搭載することも可能である。例えば、機外から空気を吸い込み、その空気を水槽あるいは回転槽を通して機外に排出する風路を備える洗濯機においては、その風路のうち水槽あるいは回転槽よりも上流部分である吸気風路の内部にミスト発生装置１０を搭載する。あるいは、吸気風路の入口付近にミスト発生装置１０を搭載する。これにより、ミスト発生装置１０が発生するミストを、吸気風路内を流れる空気とともに水槽内あるいは回転槽内に導くことができる。 It is also possible to mount the mist generating device 10 in a washing machine that does not include the circulation air path 238. For example, in a washing machine having an air passage that sucks air from outside the machine and discharges the air to the outside through the water tank or the rotating tub, the intake air passage that is an upstream portion of the water tank or the rotating tub in the air passage A mist generator 10 is mounted inside. Alternatively, the mist generator 10 is mounted near the inlet of the intake air passage. Thereby, the mist generated by the mist generating device 10 can be guided into the water tank or the rotating tank together with the air flowing in the intake air passage.
　また、循環風路や吸気風路に別の風路が接続されている場合には、その風路内にミスト発生装置１０を搭載することも可能である。
　また、循環風路や吸気風路などの風路を備えていない洗濯機にミスト発生装置１０を搭載することも可能である。この場合、例えば水槽あるいは回転槽の近傍にミスト発生装置１０を搭載する。そして、水槽内の回転槽を回転させて当該水槽内を負圧にすることにより、ミスト発生装置１０が発生するミストを水槽内あるいは回転槽内に吸い込んで取り込むことができる。 Further, when another air passage is connected to the circulation air passage or the intake air passage, the mist generating device 10 can be mounted in the air passage.
It is also possible to mount the mist generating device 10 in a washing machine that does not have an air passage such as a circulation air passage or an intake air passage. In this case, for example, the mist generator 10 is mounted in the vicinity of a water tank or a rotating tank. Then, the mist generated by the mist generating device 10 can be sucked into the water tank or the rotary tank and taken in by rotating the rotating tank in the water tank to make the inside of the water tank have a negative pressure.
　要するに、ミスト発生装置１０は、水槽内あるいは回転槽内にミストを放出できる構成であれば、風路に限らず、洗濯機の適宜の位置に搭載することができる。
　次に、ミスト発生装置１０を、家電機器である電気掃除機３００に搭載した構成について説明する。 In short, the mist generating device 10 can be mounted not only on the air passage but at an appropriate position of the washing machine as long as the mist can be discharged into the water tank or the rotating tank.
Next, the structure which mounted the mist generator 10 in the vacuum cleaner 300 which is household appliances is demonstrated.
　図７に示すように、電気掃除機３００の本体部３０１は、合成樹脂などにより中空状に形成された本体ケース３０２を備える。本体ケース３０２の内部には、前部から後部へ向かって、第１隔壁３０３、第２隔壁３０４、第３隔壁３０５および第４隔壁３０６が順次形成されている。また、第１隔壁３０３と第２隔壁３０４との間には１次フィルタ３０７が配置されている。第２隔壁３０４と第３隔壁３０５との間には２次フィルタ３０８が配置されている。これにより、本体ケース３０２の内部には、第１隔壁３０３と１次フィルタ３０７との間に集塵室３０９が区画され、１次フィルタ３０７と第２隔壁３０４との間に第１吸気室３１０が区画され、第２隔壁３０４と２次フィルタ３０８との間に第２吸気室３１１が区画され、２次フィルタ３０８と第３隔壁３０５との間に第３吸気室３１２が区画され、第３隔壁３０５と第４隔壁３０６との間に第４吸気室３１３が区画され、かつ、第４隔壁３０６と本体ケース３０２の後部との間に送風機室３１４が区画されている。 As shown in FIG. 7, the main body 301 of the electric vacuum cleaner 300 includes a main body case 302 formed in a hollow shape with synthetic resin or the like. Inside the main body case 302, a first partition 303, a second partition 304, a third partition 305, and a fourth partition 306 are sequentially formed from the front to the rear. A primary filter 307 is disposed between the first partition 303 and the second partition 304. A secondary filter 308 is disposed between the second partition 304 and the third partition 305. As a result, a dust collection chamber 309 is defined between the first partition 303 and the primary filter 307 inside the main body case 302, and the first intake chamber 310 is defined between the primary filter 307 and the second partition 304. , A second intake chamber 311 is defined between the second partition 304 and the secondary filter 308, a third intake chamber 312 is defined between the secondary filter 308 and the third partition 305, and a third A fourth intake chamber 313 is defined between the partition 305 and the fourth partition 306, and a blower chamber 314 is defined between the fourth partition 306 and the rear portion of the main body case 302.
　さらに、本体ケース３０２の外部には、第２吸気室３１１と集塵室３０９とを気密に接続する第１通気風路３１５と、第１吸気室３１０と第４吸気室３１３とを気密に接続する第２通気風路３１６とが形成されている。また、本体ケース３０２の内部には、送風機室３１４と第２吸気室３１１とを連通させる第３通気風路３１７が形成されている。 Further, outside the main body case 302, the first ventilation air passage 315 that connects the second intake chamber 311 and the dust collection chamber 309 in an airtight manner, and the first intake chamber 310 and the fourth intake chamber 313 are connected in an airtight manner. A second ventilation air passage 316 is formed. In addition, a third ventilation air passage 317 that connects the blower chamber 314 and the second intake chamber 311 is formed inside the main body case 302.
　第３通気風路３１７と第２吸気室３１１と第１通気風路３１５により、送風機室３１４から集塵室３０９側へと循環する循環風路３１８が形成されている。また、本体ケース３０２の前部には、図示しない本体吸込口が設けられている。本体吸込口には、使用者によって手動操作される図示しない吸込ユニットが可撓性ホースを介して接続される。一方、本体ケース３０２の後部には、送風機室３１４と外気とを連通する複数の本体排気口３１９が形成されている。 A circulation air passage 318 that circulates from the blower chamber 314 to the dust collection chamber 309 side is formed by the third ventilation air passage 317, the second intake air chamber 311, and the first ventilation air passage 315. Further, a main body suction port (not shown) is provided at the front portion of the main body case 302. A suction unit (not shown) that is manually operated by a user is connected to the main body suction port via a flexible hose. On the other hand, a plurality of main body exhaust ports 319 for communicating the blower chamber 314 and the outside air are formed in the rear portion of the main body case 302.
　送風機室３１４の内部には、電動送風機３２１が配置されている。また、送風機室３１４の外部には、電気掃除機３００の動作全体を制御する制御装置３２２が配置されている。この場合、循環風路３１８の一部を構成する第３通気風路３１７内に、本実施形態のミスト発生装置１０が搭載されている。 An electric blower 321 is disposed inside the blower chamber 314. In addition, a control device 322 that controls the entire operation of the vacuum cleaner 300 is disposed outside the blower chamber 314. In this case, the mist generating device 10 of the present embodiment is mounted in the third ventilation air passage 317 constituting a part of the circulation air passage 318.
　第１隔壁３０３は、図示しない本体吸込口の後部に対向して位置している。また、第１隔壁３０３には、本体吸込口と集塵室３０９との連通および遮断を切り換える第１開閉弁３３１が取り付けられている。第１開閉弁３３１は、例えば電磁弁などの常開型の弁で構成されている。さらに、第１隔壁３０３には、第１通気風路３１５が集塵室３０９に連通して気密に接続されている。第２隔壁３０４には、第１吸気室３１０と第２吸気室３１１との連通および遮断を切り換える第２開閉弁３３２が取り付けられている。第２開閉弁３３２も、例えば電磁弁などの常開型の弁で構成されている。第３隔壁３０５には、第３吸気室３１２と送風機室３１４との連通および遮断を切り換える第３開閉弁３３３が取り付けられている。第３開閉弁３３３も、例えば電磁弁などの常開型の弁で構成されている。 The first partition wall 303 is positioned to face the rear part of the main body suction port (not shown). The first partition 303 is provided with a first on-off valve 331 that switches communication between the main body suction port and the dust collecting chamber 309. The first on-off valve 331 is a normally open valve such as an electromagnetic valve. Further, a first ventilation air passage 315 communicates with the dust collecting chamber 309 and is airtightly connected to the first partition wall 303. A second opening / closing valve 332 for switching communication and blocking between the first intake chamber 310 and the second intake chamber 311 is attached to the second partition wall 304. The second on-off valve 332 is also a normally open valve such as an electromagnetic valve. The third partition 305 is provided with a third on-off valve 333 that switches between communication and blocking between the third intake chamber 312 and the blower chamber 314. The third on-off valve 333 is also a normally open valve such as an electromagnetic valve.
　第４隔壁３０６は、第３隔壁３０５に対向する下部を構成する対向部３４１と、対向部３４１の上端部から前方へ向かってほぼ水平状に突出する突出部３４２と、突出部３４２から上方に延びる延出部３４３とを有している。 The fourth partition 306 includes a facing portion 341 that forms a lower portion facing the third partition 305, a protruding portion 342 that protrudes from the upper end portion of the facing portion 341 toward the front in a substantially horizontal manner, and upward from the protruding portion 342. And an extending portion 343 extending.
　対向部３４１には、第３隔壁３０５に向けて前方に突出する吸気筒部３４４が形成されている。吸気筒部３４４は、上流側の端部である先端部、換言すれば前端部が第３隔壁３０５の後面に図示しないシール部材などを介して当接している。また、吸気筒部３４４は、内部が第３開閉弁３３３と気密に接続されている。また、吸気筒部３４４の下部には、第４吸気室３１３に連通する開口部３４５が開口形成されている。突出部３４２は、第３通気風路３１７の下側の一部を構成する部分である。また、突出部３４２の下部には、２次フィルタ３０８が配置されている。 The opposed portion 341 is formed with an intake cylinder portion 344 that protrudes forward toward the third partition 305. The intake cylinder portion 344 is in contact with the front end portion, that is, the front end portion, which is the upstream end portion, in contact with the rear surface of the third partition wall 305 via a seal member (not shown). Further, the inside of the intake cylinder portion 344 is airtightly connected to the third on-off valve 333. In addition, an opening 345 communicating with the fourth intake chamber 313 is formed in the lower portion of the intake cylinder portion 344. The protruding portion 342 is a portion that constitutes a part of the lower side of the third ventilation air passage 317. In addition, a secondary filter 308 is disposed below the protrusion 342.
　１次フィルタ３０７は、塵を含む空気中の塵埃をろ過して空気と分離するものである。従って、集塵室３０９内に塵埃が捕集されるように構成されている。２次フィルタ３０８は、例えば最終フィルタとして機能するものである。即ち、２次フィルタ３０８は、１次フィルタ３０７で捕集できなかった塵埃(細塵)を捕集可能であり、例えば上下方向に沿ってプリーツ(襞)を有するプリーツフィルタなどの表面集塵フィルタが用いられる。また、２次フィルタ３０８の後部には、例えば２次フィルタ３０８に振動などを与えることで２次フィルタ３０８に捕集した塵埃を除去する除塵装置３５１が取り付けられている。 The primary filter 307 filters the dust in the air containing dust and separates it from the air. Accordingly, the dust is collected in the dust collecting chamber 309. The secondary filter 308 functions as a final filter, for example. That is, the secondary filter 308 can collect dust (fine dust) that could not be collected by the primary filter 307, and for example, a surface dust collection filter such as a pleat filter having pleats (soot) along the vertical direction. Is used. In addition, a dust removing device 351 that removes dust collected by the secondary filter 308 by, for example, applying vibration to the secondary filter 308 is attached to the rear portion of the secondary filter 308.
　第１通気風路３１５は、第２吸気室３１１の２次フィルタ３０８の前部の位置から下方へと延び、第１吸気室３１０および集塵室３０９の下側を経由して、集塵室３０９の前端部に連通している。さらに、第１通気風路３１５内には、第２吸気室３１１と集塵室３０９との連通および遮断を切り換える第４開閉弁３５２が取り付けられている。第４開閉弁３５２も、例えば電磁弁などの常開型の弁で構成されている。 The first ventilation air passage 315 extends downward from the position of the front part of the secondary filter 308 of the second intake chamber 311, and passes through the lower side of the first intake chamber 310 and the dust collection chamber 309 to collect the dust collection chamber. 309 communicates with the front end of 309. Further, a fourth on-off valve 352 for switching communication and blocking between the second intake chamber 311 and the dust collection chamber 309 is attached in the first ventilation air passage 315. The fourth on-off valve 352 is also a normally open valve such as an electromagnetic valve.
　第２通気風路３１６は、第１吸気室３１０の１次フィルタ３０７の後部の位置から下方へと延び、第２吸気室３１１および第３吸気室３１２の下部を経由して、第４吸気室３１３の下部に連通している。また、第２通気風路３１６内には、第１吸気室３１０と第４吸気室３１３との連通および遮断を切り換える第５開閉弁３５３が取り付けられている。第５開閉弁３５３も、例えば電磁弁などの常開型の弁で構成されている。 The second ventilation air passage 316 extends downward from the position of the rear portion of the primary filter 307 of the first intake chamber 310, passes through the lower portions of the second intake chamber 311 and the third intake chamber 312, and enters the fourth intake chamber. It communicates with the lower part of 313. Further, a fifth on-off valve 353 for switching communication and blocking between the first intake chamber 310 and the fourth intake chamber 313 is attached in the second ventilation air passage 316. The fifth open / close valve 353 is also a normally open valve such as an electromagnetic valve.
　図８にも示すように、第３通気風路３１７は、送風機室３１４の上部から前部へと延びるように、第４隔壁３０６の突出部３４２に沿って形成されている。さらに、第３通気風路３１７には、第３通気風路３１７と第２吸気室３１１との連通および遮断を切り換える第６開閉弁３５４が取り付けられている。第６開閉弁３５４も、例えば電磁弁などの常開型の弁で構成されている。 As shown also in FIG. 8, the 3rd ventilation air path 317 is formed along the protrusion part 342 of the 4th partition 306 so that it may extend from the upper part of the air blower chamber 314 to the front part. Further, a sixth on-off valve 354 for switching communication and blocking between the third ventilation air passage 317 and the second intake chamber 311 is attached to the third ventilation air passage 317. The sixth open / close valve 354 is also a normally open valve such as an electromagnetic valve.
　本体ケース３０２の上部には外気連通口３６０が設けられている。外気連通口３６０には、本体ケース３０２内への塵埃などの侵入を防止するための外気フィルタ３６１が取り付けられている。 An outside air communication port 360 is provided at the upper part of the main body case 302. An outside air filter 361 for preventing entry of dust and the like into the main body case 302 is attached to the outside air communication port 360.
　また、電動送風機３２１は、前端部に吸気口３２１ａを備え、後端側の外周に排気口３２１ｂを備えている。そして、電動送風機３２１の吸気口３２１ａは、第４隔壁３０６の吸気筒部３４４の後端部に、図示しないシール部材などを介して気密に接続されている。 Moreover, the electric blower 321 includes an intake port 321a at the front end and an exhaust port 321b on the outer periphery on the rear end side. The intake port 321a of the electric blower 321 is airtightly connected to the rear end portion of the intake cylinder portion 344 of the fourth partition wall 306 via a seal member (not shown).
　この構成の電気掃除機３００において通常の掃除モードを実行する場合には、制御装置３２２は、まず、準備として、第１開閉弁３３１、第２開閉弁３３２、および、第３開閉弁３３３をそれぞれ開状態に維持し、第４開閉弁３５２、第５開閉弁３５３、および、第６開閉弁３５４をそれぞれ閉状態に維持する。 In the case of executing the normal cleaning mode in the electric vacuum cleaner 300 having this configuration, the control device 322 first sets the first on-off valve 331, the second on-off valve 332, and the third on-off valve 333 as preparations, respectively. The fourth on-off valve 352, the fifth on-off valve 353, and the sixth on-off valve 354 are each maintained in the closed state.
　この状態で、制御装置３２２は電動送風機３２１を駆動する。このとき、吸込部から可撓性ホースを介して本体ケース３０２内に吸い込まれる含塵空気は、図７に矢印Ｆ１で示すように、まず、開状態の第１開閉弁３３１を通って集塵室３０９に至り、次いで、１次フィルタ３０７によって比較的大きい塵埃、即ち粗塵と空気とに分離される。このため、分離された粗塵が集塵室３０９に捕集される。そして、１次フィルタ３０７を通過して第１吸気室３１０に流入した空気は、開状態の第２開閉弁３３２を通って第２吸気室３１１に流入し、２次フィルタ３０８によって比較的小さい塵埃、即ち細塵と空気とに分離される。このため、２次フィルタ３０８の上流側の面に細塵が捕捉される。そして、２次フィルタ３０８を通過して第３吸気室３１２に流入した空気は、開状態の第３開閉弁３３３を通り、さらに、吸気筒部３４４を通って電動送風機３２１に吸気口３２１ａから吸い込まれる。そして、電動送風機３２１の排気口３２１ｂから送風機室３１４に流出された排気は、本体排気口３１９を介して本体ケース３０２の外部、即ち本体部３０１の外部に排出される。 In this state, the control device 322 drives the electric blower 321. At this time, the dust-containing air sucked into the main body case 302 through the flexible hose from the suction portion first collects dust through the opened first on-off valve 331 as indicated by an arrow F1 in FIG. The chamber 309 is reached and then separated by the primary filter 307 into relatively large dust, that is, coarse dust and air. For this reason, the separated coarse dust is collected in the dust collection chamber 309. Then, the air that has passed through the primary filter 307 and entered the first intake chamber 310 flows into the second intake chamber 311 through the open second on-off valve 332, and is relatively small dust by the secondary filter 308. That is, it is separated into fine dust and air. For this reason, fine dust is trapped on the upstream surface of the secondary filter 308. Then, the air that has passed through the secondary filter 308 and entered the third intake chamber 312 passes through the opened third on-off valve 333, and further passes through the intake cylinder portion 344 and is sucked into the electric blower 321 from the intake port 321a. It is. Then, the exhaust gas flowing out from the exhaust port 321 b of the electric blower 321 to the blower chamber 314 is discharged to the outside of the main body case 302, that is, outside the main body portion 301 through the main body exhaust port 319.
　一方、電気掃除機３００において内部クリーンモードを実行する場合には、制御装置３２２は、まず、準備として、第１開閉弁３３１、第２開閉弁３３２、および、第３開閉弁３３３をそれぞれ閉状態に維持し、第４開閉弁３５２、第５開閉弁３５３、および、第６開閉弁３５４をそれぞれ開状態に維持する。 On the other hand, when executing the internal clean mode in the electric vacuum cleaner 300, the control device 322 first closes the first on-off valve 331, the second on-off valve 332, and the third on-off valve 333 as preparations. The fourth on-off valve 352, the fifth on-off valve 353, and the sixth on-off valve 354 are each maintained in the open state.
　この状態で、制御装置３２２は電動送風機３２１を駆動する。この場合、電動送風機３２１の出力は、例えば掃除モードにおける電動送風機３２１の最大出力よりも低いものとする。 In this state, the control device 322 drives the electric blower 321. In this case, the output of the electric blower 321 is, for example, lower than the maximum output of the electric blower 321 in the cleaning mode.
　そして、電動送風機３２１の駆動に伴い、その吸気負圧が、吸気筒部３４４内、開口部３４５、第４吸気室３１３、第２通気風路３１６、第１吸気室３１０、集塵室３０９、第１通気風路３１５、第２吸気室３１１、および、第３通気風路３１７に順次作用する。これにより、電動送風機３２１の排気口３２１ｂから送風機室３１４に排出された空気は、図７に破線矢印Ｆ２で示すように、第３通気風路３１７を介して第２吸気室３１１へと流入する。また、本体ケース３０２の外部の空気が、外気連通口３６０から第３通気風路３１７に吸い込まれて第２吸気室３１１に流入する。そして、第２吸気室３１１に流入した空気は、第１通気風路３１５を介して集塵室３０９に流入し、さらに、第１吸気室３１０に流入する。そして、第１吸気室３１０に流入した空気は、第２通気風路３１６を介して第４吸気室３１３および吸気筒部３４４に流入し、電動送風機３２１の吸気口３２１ａに吸い込まれる。 As the electric blower 321 is driven, the intake negative pressure is changed in the intake cylinder 344, the opening 345, the fourth intake chamber 313, the second ventilation air passage 316, the first intake chamber 310, the dust collection chamber 309, It acts on the 1st ventilation air path 315, the 2nd intake chamber 311, and the 3rd ventilation air path 317 one by one. As a result, the air discharged from the exhaust port 321b of the electric blower 321 to the blower chamber 314 flows into the second intake chamber 311 via the third ventilation air passage 317 as indicated by the broken line arrow F2 in FIG. . In addition, air outside the main body case 302 is sucked into the third ventilation air passage 317 from the outside air communication port 360 and flows into the second intake chamber 311. Then, the air that has flowed into the second intake chamber 311 flows into the dust collection chamber 309 via the first ventilation air passage 315 and then flows into the first intake chamber 310. The air flowing into the first intake chamber 310 flows into the fourth intake chamber 313 and the intake cylinder portion 344 via the second ventilation air passage 316 and is sucked into the intake port 321a of the electric blower 321.
　このような構成の電気掃除機３００において、本実施形態のミスト発生装置１０は、循環風路３１８の途中部分、この場合、第３通気風路３１７のうち外気連通口３６０の近傍部分に搭載される。より具体的には、ミスト発生装置１０は、外気連通口３６０よりも若干下流側の部分に搭載される。よって、内部クリーンモードにおいては、ミスト発生装置１０が生成するヒドロキシラジカルを含むミストも、循環風路３１８内を流れる空気とともに第２吸気室３１１内に放出される。これにより、第２吸気室３１１内の除菌や脱臭が可能となる。さらには、電動送風機３２１の排気は、循環風路３１８を介して集塵室３０９側へと循環する。これに伴い、ミストは、循環風路３１８、集塵室３０９、第１吸気室３１０、第２通気風路３１６、第４吸気室３１３および吸気筒部３４４に至り本体ケース３０２の隅々まで飛散する。これにより、本体ケース３０２の全体にわたり除菌や消臭が可能となる。 In the vacuum cleaner 300 having such a configuration, the mist generating device 10 of the present embodiment is mounted in the middle of the circulation air passage 318, in this case, in the vicinity of the outside air communication port 360 in the third ventilation air passage 317. The More specifically, the mist generating device 10 is mounted on a portion slightly downstream of the outside air communication port 360. Therefore, in the internal clean mode, the mist containing hydroxy radicals generated by the mist generator 10 is also released into the second intake chamber 311 together with the air flowing in the circulation air passage 318. Thereby, sterilization and deodorization in the 2nd intake chamber 311 are attained. Further, the exhaust from the electric blower 321 circulates to the dust collection chamber 309 side via the circulation air passage 318. Accordingly, the mist reaches the circulation air passage 318, the dust collection chamber 309, the first intake air chamber 310, the second ventilation air passage 316, the fourth intake air chamber 313, and the intake cylinder portion 344 and is scattered all over the body case 302. To do. Thereby, it is possible to sterilize and deodorize the entire main body case 302.
　この場合も、ミスト発生装置１０は、ミストとして放出するための水として、空気中から吸収した水を利用する。そのため、ミスト放出部に供給する水を貯めておく貯水部を備える必要がなく、また、このような貯水部が不要であることから貯水部内の水を排水する排水部を備える必要もない。よって、ミスト発生装置１０の小型化を図ることができ、スペースが限られた電気掃除機３００の内部において、ミスト発生装置１０の設置位置の自由度を格段に向上することができる。 In this case as well, the mist generator 10 uses water absorbed from the air as water to be discharged as mist. Therefore, it is not necessary to provide a water storage part for storing water to be supplied to the mist discharge part, and since such a water storage part is unnecessary, it is not necessary to provide a drainage part for draining water in the water storage part. Therefore, the mist generator 10 can be reduced in size, and the degree of freedom of the installation position of the mist generator 10 can be remarkably improved in the vacuum cleaner 300 with limited space.
　なお、ミスト発生装置１０は、空気が通り易い循環風路３１８内に搭載することが好ましく、循環風路３１８内であれば、例えば第２吸気室３１１内あるいは第１通気風路３１５内に搭載してもよい。さらには、ミスト発生装置１０は、集塵室３０９、第１吸気室３１０、第２通気風路３１６など、電気掃除機３００の他の構成部分に搭載することも可能である。即ち、ミスト発生装置１０は、本体ケース３０２内にミストを放出できる構成であれば、電気掃除機３００の適宜の位置に搭載することができる。 The mist generator 10 is preferably mounted in the circulation air passage 318 through which air easily passes. If it is in the circulation air passage 318, for example, it is mounted in the second intake chamber 311 or the first ventilation air passage 315. May be. Furthermore, the mist generator 10 can be mounted on other components of the vacuum cleaner 300 such as the dust collection chamber 309, the first intake chamber 310, and the second ventilation air passage 316. That is, the mist generating device 10 can be mounted at an appropriate position of the electric vacuum cleaner 300 as long as the mist generating device 10 can discharge the mist into the main body case 302.
　また、通常の掃除モードにおいて空気が流れる位置にミスト発生装置１０を搭載してもよい。これにより、掃除モードにおいても、本体ケース３０２内の除菌や脱臭が可能となる。 Further, the mist generator 10 may be mounted at a position where air flows in the normal cleaning mode. Thereby, sterilization and deodorization in the main body case 302 can be performed even in the cleaning mode.
　（第２実施形態）
　次に、第２実施形態について説明する。図９は第２実施形態に係る図３相当図である。本実施形態では、冷蔵庫は、超音波加湿装置１４０を備えていない。そして、冷蔵庫は、冷蔵用冷却器１０６をミスト発生装置１０の下方、即ち、図３において超音波加湿装置１４０が配置される位置に備えている。また、本実施形態では、図３において冷蔵用冷却器１０６が配置されている部位は、冷気が流れる空間部となる。 (Second Embodiment)
Next, a second embodiment will be described. FIG. 9 is a view corresponding to FIG. 3 according to the second embodiment. In the present embodiment, the refrigerator does not include the ultrasonic humidifier 140. The refrigerator includes the refrigeration cooler 106 below the mist generator 10, that is, at a position where the ultrasonic humidifier 140 is disposed in FIG. Moreover, in this embodiment, the site | part in which the cooler 106 for refrigeration is arrange | positioned in FIG. 3 becomes the space part through which cold air | flow flows.
　この構成によれば、図示しない除霜ヒータによる除霜を行うことで冷蔵用冷却器１０６に着いた霜が溶けだし、周辺の空気が高湿化する。その後、庫内の冷却を行う際には、送風機１２１により送風される冷気は、冷蔵用冷却器１０６によって冷却されるとともに、冷蔵用冷却器１０６周辺の高湿度の空気によって高湿化される。この高湿度の冷気の一部は、図９の矢印Ｃ１で示すように、ミスト発生装置１０を配置した加湿用ダクト１３０を通過して、冷気供給ダクト１２２に送られる。そして、冷気供給ダクト１２２に送られた冷気は、複数の冷気供給口１２４から冷蔵室１０２内あるいはチルド室１０２ａ内に供給される。このとき、ミスト発生装置１０は、空気が流れる方向において冷蔵用冷却器１０６よりも下流側に配置されている。 According to this configuration, frost attached to the refrigeration cooler 106 is melted by performing defrosting with a defrosting heater (not shown), and the surrounding air becomes highly humid. Thereafter, when the inside of the refrigerator is cooled, the cold air blown by the blower 121 is cooled by the refrigeration cooler 106 and is humidified by the high-humidity air around the refrigeration cooler 106. A part of the high-humidity cold air passes through the humidification duct 130 in which the mist generating device 10 is disposed and is sent to the cold air supply duct 122 as indicated by an arrow C1 in FIG. The cold air sent to the cold air supply duct 122 is supplied from the plurality of cold air supply ports 124 into the refrigerator compartment 102 or the chilled chamber 102a. At this time, the mist generating device 10 is disposed downstream of the refrigeration cooler 106 in the air flow direction.
　なお、冷蔵庫は、除霜手段の一例である図示しない除霜ヒータにより冷蔵用冷却器１０６の除霜運転を開始した後における庫内冷却中に、ミスト発生装置１０の運転を行うように設定されている。 The refrigerator is set to operate the mist generating device 10 during cooling in the refrigerator after the defrosting operation of the refrigeration cooler 106 is started by a defrosting heater (not shown) which is an example of a defrosting unit. ing.
　冷蔵用冷却器１０６の除霜開始直後においては、除霜により高湿化された空気によって、ミスト発生装置１０の周囲の空気が湿度の高い高湿度状態となる。そして、この高湿度状態において、ミスト発生装置１０が運転される。従って、ミスト発生装置１０は、当該ミスト発生装置１０の周囲の高湿度の空気から水分を吸収して、放電極部材１２に十分な水を供給することができ、これにより、冷蔵室１０２と野菜室１０３に安定してミストを放出することができる。 Immediately after the start of defrosting of the refrigeration cooler 106, the air around the mist generating device 10 is in a high humidity state with high humidity due to the air humidified by the defrosting. And the mist generator 10 is drive | operated in this high humidity state. Therefore, the mist generator 10 can absorb moisture from the high-humidity air around the mist generator 10 and supply sufficient water to the discharge electrode member 12. Mist can be stably discharged into the chamber 103.
　また、ミスト発生装置１０に供給するための水を貯める貯水部および貯水部内の水を排水する排水部を備える必要がない。よって、ミスト発生装置１０の小型化を図ることができ、スペースが限られた冷蔵庫１００の内部において、ミスト発生装置１０の設置位置の自由度を格段に向上することができる。 Further, it is not necessary to provide a water storage part for storing water to be supplied to the mist generating device 10 and a drainage part for draining water in the water storage part. Therefore, the mist generator 10 can be reduced in size, and the degree of freedom of the installation position of the mist generator 10 can be significantly improved in the refrigerator 100 where the space is limited.
　（第３実施形態）
　次に、第３実施形態について説明する。本実施形態では、冷蔵庫は、２つの冷却器、つまり、冷蔵用冷却器および冷凍用冷却器を備えていない。且つ、冷蔵庫は、野菜室を冷凍室の下側に隣接して配置している。 (Third embodiment)
Next, a third embodiment will be described. In the present embodiment, the refrigerator does not include two coolers, that is, a refrigeration cooler and a refrigeration cooler. And the refrigerator has arrange | positioned the vegetable compartment adjacent to the lower side of a freezer compartment.
　図１０に示すように、冷蔵庫４００は、冷凍温度帯の冷凍室４０３を冷蔵室４０２の下側に隣接して配置している。また、冷蔵庫４００は、野菜室４０４を冷凍室４０３の下側に隣接して配置している。この場合、冷蔵庫４００は、冷蔵温度帯の貯蔵室である冷蔵室４０２と野菜室４０４とが上下に離され、これら冷蔵室４０２と野菜室４０４との間に冷凍室４０３が配置された構成となっている。また、冷蔵庫４００が備える冷却器は１個のみである。冷蔵庫４００は、この１個の冷却器４１４によって冷凍温度帯の貯蔵室も冷蔵温度帯の貯蔵室も冷却する構成となっている。 As shown in FIG. 10, the refrigerator 400 has a freezing room 403 in a freezing temperature zone arranged adjacent to the lower side of the refrigerating room 402. Moreover, the refrigerator 400 has arrange | positioned the vegetable compartment 404 adjacent to the lower side of the freezer compartment 403. FIG. In this case, the refrigerator 400 has a configuration in which a refrigerator compartment 402 and a vegetable compartment 404 which are storage compartments in a refrigeration temperature zone are vertically separated, and a freezer compartment 403 is disposed between the refrigerator compartment 402 and the vegetable compartment 404. It has become. Further, the refrigerator 400 includes only one cooler. The refrigerator 400 is configured to cool the storage room in the freezing temperature zone and the storage room in the refrigeration temperature zone by the single cooler 414.
　具体的には、冷蔵庫４００の断熱箱体４０１の内部には、上から順に冷蔵室４０２、冷凍室４０３、野菜室４０４が設けられている。冷蔵室４０２と冷凍室４０３との間には断熱仕切壁４１０が設けられ、冷凍室４０３と野菜室４０４との間にも断熱仕切壁４１１が設けられている。そして、冷凍室４０３の後部には、図１０（ａ）に示すように、ダクト部材４１２が設けられている。ダクト部材４１２は、冷却器室４１３を形成している。冷却器室４１３には、冷却器４１４、除霜ヒータ４１５、送風機４１６が配設されている。ダクト部材４１２の上部には冷凍用冷気供給口４１７が形成されている。ダクト部材４１２の下部には吸込み口４１８が形成されている。 Specifically, inside the heat insulating box 401 of the refrigerator 400, a refrigerator compartment 402, a freezer compartment 403, and a vegetable compartment 404 are provided in order from the top. A heat insulating partition wall 410 is provided between the refrigerator compartment 402 and the freezer compartment 403, and a heat insulating partition wall 411 is also provided between the freezer compartment 403 and the vegetable compartment 404. And the duct member 412 is provided in the rear part of the freezer compartment 403, as shown to Fig.10 (a). The duct member 412 forms a cooler chamber 413. In the cooler chamber 413, a cooler 414, a defrost heater 415, and a blower 416 are disposed. A freezing cold air supply port 417 is formed in the upper part of the duct member 412. A suction port 418 is formed in the lower portion of the duct member 412.
　冷蔵室４０２の後部には、冷蔵室用ダクト部材４１９が設けられている。冷蔵室用ダクト部材４１９は、冷蔵用冷気ダクト４２０を形成している。冷蔵用冷気ダクト４２０は、上下方向に延びていて、下端部が冷却器室４１３に連通している。冷蔵室用ダクト部材４１９には、冷蔵用冷気供給口４２１が複数箇所に形成されている。冷蔵用冷気ダクト４２０と冷却器室４１３との接続部分には、ダンパ４２２が設けられている。ダンパ４２２は、冷蔵用冷気ダクト４２０を開閉する。 A cold room duct member 419 is provided at the rear of the cold room 402. The cold room duct member 419 forms a cold air duct 420 for cold storage. The refrigeration cool air duct 420 extends in the vertical direction, and the lower end portion communicates with the cooler chamber 413. The refrigerator compartment duct member 419 is formed with a plurality of refrigerated cold supply ports 421. A damper 422 is provided at a connection portion between the cold air duct 420 for refrigeration and the cooler chamber 413. The damper 422 opens and closes the cold air duct 420 for refrigeration.
　冷蔵室用ダクト部材４１９の下部の所定部位には、図１０（ｂ）に示すように、吸込み口４２３が形成されている。さらに、冷蔵室４０２の天井部にはミスト発生装置１０が備えられている。また、冷蔵室４０２の最下部には、密閉空間の一例であるチルド室４０２ａが設けられている。チルド室４０２ａ内部の後方にはミスト発生装置１０が備えられている。そして、冷凍室４０３の後部の所定部位には、図１０（ｂ）に示すように、野菜室用ダクト４２４が設けられている。野菜室用ダクト４２４は、冷凍室４０３を避けるようにして上下方向に延び、上端部が吸込み口４２３に連通している。野菜室用ダクト４２４の下端部は野菜室用冷気供給口４２５とされている。野菜室用冷気供給口４２５は、野菜室４０４の後部において下ケース４２６および上ケース４２７の後方に配置されている。従って、野菜室用冷気供給口４２５は、上ケース４２７の上面開口部に対向する位置を避けた位置に配置されていて、上ケース４２７の上面開口部には向いていない。野菜室４０４の上側の断熱仕切壁４１１には、図１０（ａ）に示すように、戻りダクト４２８が設けられている。戻りダクト４２８の野菜室４０４側の開口部は戻り口４２９とされている。戻りダクト４２８の上端部は、冷却器室４１３に連通している。さらに、野菜室４０４内の戻り口４２９付近にはミスト発生装置１０が備えられている。 As shown in FIG. 10B, a suction port 423 is formed at a predetermined portion below the cold room duct member 419. Further, a mist generator 10 is provided on the ceiling of the refrigerator compartment 402. In addition, a chilled chamber 402a, which is an example of a sealed space, is provided at the bottom of the refrigerator compartment 402. A mist generating device 10 is provided behind the chilled chamber 402a. And the vegetable room duct 424 is provided in the predetermined site | part of the rear part of the freezer compartment 403, as shown in FIG.10 (b). The vegetable room duct 424 extends in the vertical direction so as to avoid the freezing room 403, and the upper end communicates with the suction port 423. The lower end of the vegetable room duct 424 is a vegetable room cold air supply port 425. The vegetable room cold air supply port 425 is disposed behind the lower case 426 and the upper case 427 in the rear part of the vegetable room 404. Accordingly, the vegetable room cold air supply port 425 is disposed at a position avoiding the position facing the upper surface opening of the upper case 427, and does not face the upper surface opening of the upper case 427. As shown in FIG. 10A, a return duct 428 is provided in the heat insulating partition wall 411 on the upper side of the vegetable compartment 404. An opening on the vegetable compartment 404 side of the return duct 428 is a return port 429. The upper end portion of the return duct 428 communicates with the cooler chamber 413. Furthermore, a mist generating device 10 is provided near the return port 429 in the vegetable compartment 404.
　野菜室４０４は、引き出し式で、内部に下ケース４２６および上ケース４２７が引き出し可能に配設されている。また、野菜室４０４の天井となる断熱仕切壁４１１の下面には、上ケース４２７の上方に位置させて、野菜室温度センサ４３１が設けられている。なお、本実施形態の冷蔵庫４００では、冷凍温度帯の貯蔵室は冷凍室４０３のみとなっている。しかし、冷蔵室４０２と野菜室４０４との間に、冷凍室４０３の他に、製氷室と小冷凍室を設けてもよい。圧縮機４３２、除霜ヒータ４１５、送風機４１６、ダンパ４２２、ミスト発生装置１０は、制御装置４３３によって制御される。 The vegetable compartment 404 is a drawer type, and a lower case 426 and an upper case 427 are arranged inside the vegetable room 404 so that the drawer can be pulled out. In addition, a vegetable room temperature sensor 431 is provided on the lower surface of the heat insulating partition wall 411 serving as the ceiling of the vegetable room 404 so as to be positioned above the upper case 427. In the refrigerator 400 of the present embodiment, the freezer temperature zone storage room is only the freezer room 403. However, in addition to the freezing room 403, an ice making room and a small freezing room may be provided between the refrigerating room 402 and the vegetable room 404. The compressor 432, the defrost heater 415, the blower 416, the damper 422, and the mist generating device 10 are controlled by the control device 433.
　上記構成において、ダンパ４２２を閉じた状態で送風機４１６が駆動されると、冷却器４１４で冷却された冷気は、冷凍用冷気供給口４１７から冷凍室４０３内に供給される。そして、冷凍室４０３内の冷気は、吸込み口４１８から冷却器室４１３内に戻されるように循環し、これにより、冷凍室４０３が冷却される。 In the above configuration, when the blower 416 is driven with the damper 422 closed, the cold air cooled by the cooler 414 is supplied into the freezer compartment 403 from the freezing cold air supply port 417. Then, the cool air in the freezer compartment 403 circulates so as to be returned from the suction port 418 into the cooler chamber 413, thereby cooling the freezer compartment 403.
　また、ダンパ４２２を開いた状態で送風機４１６が駆動された場合には、冷却器４１４で冷却された冷気の一部は、冷蔵用冷気ダクト４２０を通り、各冷蔵用冷気供給口４２１から冷蔵室４０２内に供給され、これにより、冷蔵室４０２内が冷却される。冷蔵室４０２の天井部に配したミスト発生装置１０は、冷蔵用冷気ダクト４２０の上端部から吹き出す冷気にミストを供給する。また、冷却器４１４で冷却された冷気の残り分は、冷凍室４０３内へ供給される。冷蔵室４０２内を冷却した冷気は、下部の吸込み口４２３から野菜室用ダクト４２４側へ出て、当該野菜室用ダクト４２４を下方へ流れて野菜室用冷気供給口４２５から野菜室４０４内に供給され、野菜室４０４内を冷却する。即ち、野菜室用ダクト４２４は、冷蔵室４０２と野菜室４０４を連通する風路として機能する。この構成によれば、冷蔵室４０２に比して野菜室４０４の湿度が高い場合には、野菜室４０４から冷蔵室４０２内に野菜室用ダクト４２４を通して一部の水分が移動し、冷蔵室４０２内の湿度を高めることができる。そのため、冷蔵室４０２内の空気中から水分を吸水してミスト発生装置１０に水分を供給し、冷蔵室４０２内にミストを発生させることができる。野菜室４０４内を冷却した冷気は、戻り口４２９から戻りダクト４２８を通り、冷却器室４１３に戻される。 In addition, when the blower 416 is driven with the damper 422 opened, a part of the cold air cooled by the cooler 414 passes through the cold air duct 420 for refrigerating from each cold air supply port 421 for refrigerating room. The inside of the refrigerator compartment 402 is cooled by this. The mist generator 10 disposed on the ceiling of the refrigerator compartment 402 supplies mist to the cold air blown out from the upper end of the cold air duct 420 for refrigeration. In addition, the remaining cool air cooled by the cooler 414 is supplied into the freezer compartment 403. The cold air that has cooled the inside of the refrigerator compartment 402 exits from the lower suction port 423 to the vegetable room duct 424 and flows downward through the vegetable room duct 424 to enter the vegetable room 404 from the vegetable room cold air supply port 425. It is supplied and the inside of the vegetable compartment 404 is cooled. That is, the vegetable room duct 424 functions as an air passage that communicates between the refrigerator room 402 and the vegetable room 404. According to this configuration, when the humidity of the vegetable compartment 404 is higher than that of the refrigerator compartment 402, some moisture moves from the vegetable compartment 404 into the refrigerator compartment 402 through the vegetable compartment duct 424, and the refrigerator compartment 402. Inside humidity can be increased. Therefore, it is possible to absorb moisture from the air in the refrigerator compartment 402 and supply the moisture to the mist generator 10 to generate mist in the refrigerator compartment 402. The cold air that has cooled the inside of the vegetable compartment 404 passes through the return duct 428 from the return port 429 and is returned to the cooler compartment 413.
　野菜室４０４内の戻り口４２９付近に備えたミスト発生装置１０は、野菜室４０４内並びに循環する冷気にミストを供給する。
　戻りダクト４２８付近に備えたミスト発生装置１０は、野菜室４０４内に貯蔵される野菜からの蒸散によって高湿度化された当該野菜室４０４内の空気から、湿気を吸収することができる。そのため、ミスト発生装置１０を安定的に運転してミストを放出することが可能である。 The mist generator 10 provided near the return port 429 in the vegetable compartment 404 supplies mist to the cold air circulating in the vegetable compartment 404 as well.
The mist generating device 10 provided in the vicinity of the return duct 428 can absorb moisture from the air in the vegetable compartment 404 that has been highly humidified by transpiration from the vegetables stored in the vegetable compartment 404. Therefore, it is possible to discharge the mist by operating the mist generator 10 stably.
　密閉空間であるチルド室４０２ａ内に備えられたミスト発生装置１０は、ミストをチルド室４０２ａ内に放出する。そのため、冷蔵室４０２の天井部に備えたミスト発生装置１０ではミストを供給できないチルド室４０２ａ内にミストを供給することができる。また、ミスト発生装置１０は、チルド室４０２ａ内の貯蔵品からの蒸散などにより高湿化した密閉空間内の空気から吸水することにより、安定してミストを発生させることができる。なお、密閉空間は、冷蔵室４０２内に配したチルド室４０２ａに限られない。例えば、野菜室４０４内の天井部に前面が開口した箱型の上ケース受け部を設け、この上ケース受け部に上ケース４２７を挿入して引き出し可能な貯蔵空間とするとともに、上ケース４２７の前面部で上ケース受け部の前面開口を閉塞することで密閉空間を構成してもよい。また、野菜室４０４内に、別の構成の密閉空間を備えてもよい。 The mist generating device 10 provided in the chilled chamber 402a which is a sealed space discharges mist into the chilled chamber 402a. Therefore, the mist can be supplied into the chilled chamber 402a where the mist generator 10 provided on the ceiling of the refrigerator compartment 402 cannot supply the mist. Moreover, the mist generating apparatus 10 can generate mist stably by absorbing water from the air in the sealed space that has become highly humid due to transpiration from stored items in the chilled chamber 402a. Note that the sealed space is not limited to the chilled chamber 402 a disposed in the refrigerator compartment 402. For example, a box-shaped upper case receiving portion having an open front is provided at the ceiling in the vegetable compartment 404, and the upper case 427 is inserted into the upper case receiving portion to form a storage space that can be pulled out. You may comprise sealed space by obstruct | occluding the front opening of an upper case receiving part with a front part. Moreover, you may provide the sealed space of another structure in the vegetable compartment 404. FIG.
　また、ミスト発生装置１０に給水するための水を貯める貯水部および貯水部内の水を排水する排水部を備える必要がない。よって、ミスト発生装置１０の小型化を図ることができ、スペースが限られた冷蔵庫４００の内部において、ミスト発生装置１０の設置位置の自由度を格段に向上することができる。 Further, it is not necessary to provide a water storage part for storing water for supplying water to the mist generating device 10 and a drainage part for draining water in the water storage part. Therefore, the mist generator 10 can be reduced in size, and the degree of freedom of the installation position of the mist generator 10 can be significantly improved in the refrigerator 400 where the space is limited.
　さらに、冷却器４１４の除霜によって生じる除霜水や、冷凍温度帯の貯蔵室と冷蔵温度帯の貯蔵室との温度差による結露現象によって生じる水を使うことなくミスト発生装置１０に水分を供給できる。そのため、ミスト発生装置１０の設置場所が、冷却器４１４の周辺や冷凍室４０３の周辺などに限定されることがない。従って、例えば冷却器４１４や冷凍室４０３から離れた位置などの任意の場所に、任意の個数のミスト発生装置１０を配設することができる。 Further, water is supplied to the mist generating apparatus 10 without using defrosted water generated by defrosting of the cooler 414 or water generated by a dew condensation phenomenon due to a temperature difference between a storage room in a freezing temperature zone and a storage room in a refrigeration temperature zone. it can. Therefore, the installation location of the mist generator 10 is not limited to the vicinity of the cooler 414 or the vicinity of the freezer compartment 403. Accordingly, for example, an arbitrary number of mist generating devices 10 can be arranged at an arbitrary location such as a position away from the cooler 414 or the freezer compartment 403.
　冷蔵庫４００は、冷蔵室４０２内、チルド室４０２ａ内および野菜室４０４内にそれぞれミスト発生装置１０を備える。これにより、複数個のミスト発生装置１０から冷蔵庫内の広範囲にわたってミストを放出することができる。 The refrigerator 400 includes the mist generating device 10 in the refrigerated room 402, the chilled room 402a, and the vegetable room 404, respectively. Thereby, mist can be discharge | released from the some mist generator 10 over the wide range in a refrigerator.
　（第４実施形態）
　次に、第４実施形態について説明する。本実施形態は、冷蔵庫、洗濯機、電気掃除機などの家電機器に搭載されるミスト発生装置の構成が異なる。以下、異なる点のみを説明する。 (Fourth embodiment)
Next, a fourth embodiment will be described. This embodiment differs in the structure of the mist generator mounted in household appliances, such as a refrigerator, a washing machine, and a vacuum cleaner. Only different points will be described below.
　図１１に示すように、ミスト発生装置２０が備える放電極部材２２は、吸水性および保水性を有する多孔質材料に自己吸水性を有する物質を含浸させたものである。従って、放電極部材２２は、周囲の雰囲気の湿度が所定値以上になると、空気中の水分を自発的に吸収する自己吸水性を発揮する。そして、放電極部材２２は、ケース２１内の保持部材１３および導電部材１４を貫通する給水部の一端のみではなく両端にミスト放出部を設けた構成である。即ち、放電極部材２２は、給水部のうち一方のミスト放出部とは反対側の端部にも他のミスト放出部が設けられた構成である。この場合、ミスト発生装置２０は、放電極部材２２の両先端部のミスト放出部に対する２つの対極２６ａ，２６ｂを備えている。 As shown in FIG. 11, the discharge electrode member 22 provided in the mist generator 20 is obtained by impregnating a porous material having water absorption and water retention with a substance having self-water absorption. Accordingly, the discharge electrode member 22 exhibits self-water absorption that spontaneously absorbs moisture in the air when the humidity of the surrounding atmosphere becomes a predetermined value or higher. And the discharge electrode member 22 is the structure which provided the mist discharge | release part not only at one end of the water supply part which penetrates the holding member 13 and the electrically-conductive member 14 in the case 21, but at both ends. That is, the discharge electrode member 22 has a configuration in which another mist discharge portion is provided at an end portion of the water supply portion opposite to the one mist discharge portion. In this case, the mist generating device 20 includes two counter electrodes 26 a and 26 b for the mist emitting portions at both ends of the discharge electrode member 22.
　このように構成されたミスト発生装置２０によれば、放電極部材２２の両先端部からヒドロキシラジカルを含むミストを放出することができ、除菌効果や脱臭効果を一層向上することができる。 According to the mist generator 20 configured in this way, mist containing hydroxy radicals can be released from both tip portions of the discharge electrode member 22, and the sterilization effect and deodorization effect can be further improved.
　このように構成されたミスト発生装置２０を用いれば、例えば、密閉空間であるチルド室内にミスト発生装置２０のミスト放出部の一端を挿入並びに露出させ、ミスト放出部の他端を冷蔵室などの密閉空間外に露出させることで、密閉空間内および密閉空間外の両方の空間に１個のミスト発生装置２０から同時にミストを放出することができる。 If the mist generator 20 configured in this way is used, for example, one end of a mist discharge part of the mist generator 20 is inserted and exposed in a chilled chamber which is a sealed space, and the other end of the mist discharge part is connected to a refrigerator room or the like. By exposing outside the sealed space, mist can be simultaneously released from one mist generator 20 into both the sealed space and the space outside the sealed space.
　（第５実施形態）
　次に、第５実施形態について説明する。本実施形態は、冷蔵庫、洗濯機、電気掃除機などの家電機器に搭載されるミスト発生装置の構成が異なる。以下、異なる点のみを説明する。 (Fifth embodiment)
Next, a fifth embodiment will be described. This embodiment differs in the structure of the mist generator mounted in household appliances, such as a refrigerator, a washing machine, and a vacuum cleaner. Only different points will be described below.
　図１２に示すように、ミスト発生装置３０が備えるケース３１は、有底箱状のケース本体３１ａからなり、ケース１１の蓋部１１ｂに相当する部材を備えていない。ケース３１の内部には、保持部材１３に代わって、吸水性および保水性を有する多孔質材料に自己吸水性を有する物質を含浸させた保水部材３３が備えられている。保水部材３３は、ケース３１が蓋部を備えていないことから、このような蓋部によって覆われることなく、その一部がケース３１の外部に露出している。この場合、保水部材３３は、上面部がケース３１の外部に露出している。吸水性および保水性を有する多孔質材料に自己吸水性を有する物質を含浸させた放電極部材３２は、保水部材３３を突き抜けた状態で当該保水部材３３に固定されている。なお、保水部材３３を構成する保水性材料としては、例えばウレタンスポンジなど保水性を有する多孔質材料が考えられる。そして、保水部材３３にも自己吸水性を有する物質が含浸されており、従って、保水部材３３も自己吸水性を有している。この場合、保水部材３３も給水部として機能する。 As shown in FIG. 12, the case 31 included in the mist generating device 30 includes a bottomed box-shaped case main body 31 a and does not include a member corresponding to the lid portion 11 b of the case 11. Instead of the holding member 13, a water holding member 33 in which a porous material having water absorption and water retention is impregnated with a substance having self water absorption is provided inside the case 31. Since the water retaining member 33 does not include the lid portion, the water retaining member 33 is not covered by such a lid portion, and a part thereof is exposed to the outside of the case 31. In this case, the upper surface of the water retaining member 33 is exposed to the outside of the case 31. The discharge electrode member 32 in which a porous material having water absorption and water retention is impregnated with a substance having self-water absorption is fixed to the water retention member 33 in a state of penetrating the water retention member 33. In addition, as a water retention material which comprises the water retention member 33, the porous material which has water retention, such as urethane sponge, can be considered, for example. The water retention member 33 is also impregnated with a substance having self-water absorption, and thus the water retention member 33 also has self-water absorption. In this case, the water retention member 33 also functions as a water supply unit.
　このように構成されたミスト発生装置３０によれば、空気中の水分が、自己吸水性を有する保水部材３３にも外部からのエネルギーを要することなく自発的に吸収される。そして、保水部材３３に吸収された水分は、当該保水部材３３内を浸透して放電極部材３２に供給され、最終的に先端部のミスト放出部に供給される。即ち、ミスト発生装置３０は、放電極部材３２に水を供給する給水部としてさらに保水部材３３を備えた。これにより、放電極部材３２のミスト放出部に十分な量の水を供給することができ、ヒドロキシラジカルを含むミストの放出量を十分に確保することができる。 According to the mist generating device 30 configured in this way, moisture in the air is spontaneously absorbed by the water retaining member 33 having self-water absorption without requiring external energy. And the water | moisture content absorbed by the water retention member 33 permeate | transmits the said water retention member 33, is supplied to the discharge electrode member 32, and is finally supplied to the mist discharge | release part of a front-end | tip part. That is, the mist generator 30 further includes a water retaining member 33 as a water supply unit that supplies water to the discharge electrode member 32. As a result, a sufficient amount of water can be supplied to the mist emitting portion of the discharge electrode member 32, and a sufficient amount of mist containing hydroxy radicals can be secured.
　（第６実施形態）
　次に、第６実施形態について説明する。本実施形態は、冷蔵庫、洗濯機、電気掃除機などの家電機器に搭載されるミスト発生装置の構成が異なる。以下、異なる点のみを説明する。 (Sixth embodiment)
Next, a sixth embodiment will be described. This embodiment differs in the structure of the mist generator mounted in household appliances, such as a refrigerator, a washing machine, and a vacuum cleaner. Only different points will be described below.
　図１３に示すように、ミスト発生装置４０にミスト放出部として備えられる放電極部材４２は、導電性を有する直線状の繊維材料であるカーボンファイバーを使用したものであり、複数のカーボンファイバーの長手方向の長さが一致するように束ねたものである。複数のカーボンファイバーを束ねた放電極部材４２の基端部および側部の一部には、吸水性および保水性を有する多孔質材料に自己吸水性を有する物質を含浸させた保水部材４３が接触している。放電極部材４２は、保水部材４３が接触する端部および側部から、毛細管現象を利用して当該保水部材４３から吸水する。そして、放電極部材４２は、保水部材４３から吸収した水をミスト放出部に供給する。放電極部材４２に使用するカーボンファイバーは、数μｍ程度の繊維な径であり、複数のカーボンファイバー同士が互いに接触するように束ねることで一体的な放電極部材４２を構成し、通電可能な状態を維持する。 As shown in FIG. 13, the discharge electrode member 42 provided as a mist emitting unit in the mist generating device 40 uses carbon fibers that are linear fiber materials having conductivity, and the longitudinal direction of a plurality of carbon fibers. They are bundled so that the lengths in the direction match. A water retention member 43 in which a porous material having water absorption and water retention is impregnated with a self-absorbing substance is in contact with a part of the base end portion and side portion of the discharge electrode member 42 in which a plurality of carbon fibers are bundled. is doing. The discharge electrode member 42 absorbs water from the water retention member 43 from the end portion and the side portion with which the water retention member 43 contacts using the capillary phenomenon. The discharge electrode member 42 supplies the water absorbed from the water retention member 43 to the mist discharge portion. The carbon fiber used for the discharge electrode member 42 has a fiber diameter of about several μm, and forms an integral discharge electrode member 42 by bundling a plurality of carbon fibers so that they are in contact with each other. To maintain.
　この場合、カーボンファイバーを束ねる束ね手段の一例として、ポリオレフィンからなる円筒部材４４が使用されている。円筒部材４４は、放電極部材４２のうち、少なくとも、ミストを放出する上端部と、給水を行う基端部とを当該円筒部材４４の端部から突出させた構成である。 In this case, a cylindrical member 44 made of polyolefin is used as an example of a bundling means for bundling carbon fibers. The cylindrical member 44 has a configuration in which at least an upper end portion that discharges mist and a base end portion that supplies water are protruded from the end portion of the cylindrical member 44 of the discharge electrode member 42.
　保水部材４３は、多孔質材料としてウレタンスポンジを用いたものであり、自己吸水性を有する物質としては潮解性物質であるポリリン酸カリウムを使用する。ここで、多孔質材料中には、その表面から内部にわたって潮解性物質が点在している。 The water retaining member 43 uses urethane sponge as a porous material, and uses potassium polyphosphate which is a deliquescent material as a substance having self-water absorption. Here, in the porous material, deliquescent substances are scattered from the surface to the inside.
　保水部材４３においては、空気と接触する多孔質材料の表面付近に存在する潮解性物質に空気中の水分が化学的に結合する。そして、吸着された水は、多孔質材料の毛細管凝縮により、当該多孔質材料に保水される。その後、水分は、ミスト放出部に供給される。そのメカニズムは、以下のように考えられる。即ち、多孔質材料の毛細管凝縮による力が潮解性物質と空気中の水分との化学的な結合力を超えると、潮解性物質から水が分離する。そして、その分離した水は、空気と接する表面付近から、表面付近に比べて相対的に水との結合が少ない多孔質材料内部へと移動し、内部に存在する潮解性物質へと水分が移動する。このようにして、水分は、空気と接触する表面付近から、徐々に内側へと移動していき、放電極部材４２の近傍まで移動すると予想される。さらに、放電極部材４２の近傍まで移動した水分は、放電極部材４２を構成するカーボンファイバーが保水部材４３に接触する部分において、当該カーボンファイバーの毛細管現象により、放電極部材４２の内部に給水される。 In the water retaining member 43, moisture in the air chemically binds to a deliquescent substance existing near the surface of the porous material that comes into contact with air. The adsorbed water is retained in the porous material by capillary condensation of the porous material. Thereafter, the moisture is supplied to the mist discharge section. The mechanism is considered as follows. That is, when the force due to capillary condensation of the porous material exceeds the chemical binding force between the deliquescent substance and the moisture in the air, the water is separated from the deliquescent substance. The separated water moves from the vicinity of the surface in contact with the air to the inside of the porous material having relatively less water binding compared to the vicinity of the surface, and the moisture moves to the deliquescent substance existing inside. To do. In this way, the moisture is expected to gradually move inward from the vicinity of the surface in contact with the air and to the vicinity of the discharge electrode member 42. Furthermore, the water that has moved to the vicinity of the discharge electrode member 42 is supplied to the inside of the discharge electrode member 42 due to the capillary phenomenon of the carbon fiber at the portion where the carbon fiber constituting the discharge electrode member 42 contacts the water retention member 43. The
　なお、放電極部材４２は、ケース４１内の保水部材４３を突き抜けることなく保水部材４３によって保持されている。そして、放電極部材４２の基端部は、保水部材４３に接触している。従って、放電極部材４２には、保水部材４３が保持する水および導電部材１４を介して負の高電圧が印加される。この場合も、保水部材４３は給水部として機能する。 The discharge electrode member 42 is held by the water retention member 43 without penetrating the water retention member 43 in the case 41. The proximal end portion of the discharge electrode member 42 is in contact with the water retention member 43. Therefore, a negative high voltage is applied to the discharge electrode member 42 through the water retained by the water retention member 43 and the conductive member 14. Also in this case, the water retaining member 43 functions as a water supply unit.
　このように構成されたミスト発生装置４０によれば、カーボンファイバーのような数μｍ程度の繊維径の材料を用いている。そのため、繊維間の隙間が小さくなり、１ｎｍ程度の粒径のミストを放出することが可能になる。 According to the mist generator 40 configured as described above, a material having a fiber diameter of about several μm, such as carbon fiber, is used. Therefore, the gap between the fibers is reduced, and it becomes possible to release mist having a particle diameter of about 1 nm.
　また、複数のカーボンファイバーを束ねてなる放電極部材４２のうち少なくとも保水部材４３と接触して給水を行う基端部および側部の一部は、円筒部材４４の端部から突出している。これにより、カーボンファイバーからなる放電極部材４２の基端部および側部を保水部材４３に良好に接触させることができ、より確実に給水を行うことができる。 Further, among the discharge electrode member 42 formed by bundling a plurality of carbon fibers, at least a base end portion and a part of the side portion that are in contact with the water retention member 43 and supply water protrude from the end portion of the cylindrical member 44. Thereby, the base end part and the side part of the discharge electrode member 42 made of carbon fiber can be satisfactorily brought into contact with the water retaining member 43, and water can be supplied more reliably.
　（第７実施形態）
　次に、第７の実施形態について説明する。本実施形態は、冷蔵庫、洗濯機、電気掃除機などの家電機器に搭載されるミスト発生装置の構成が異なる。以下、異なる点のみを説明する。 (Seventh embodiment)
Next, a seventh embodiment will be described. This embodiment differs in the structure of the mist generator mounted in household appliances, such as a refrigerator, a washing machine, and a vacuum cleaner. Only different points will be described below.
　図１４に示すように、ミスト発生装置５０にミスト放出部として備えられる放電極部材５２は、導電性を有する直線状の繊維材料であるカーボンファイバーを使用したものであり、複数のカーボンファイバーの長手方向の長さが一致するように束ねたものである。この場合、カーボンファイバーを束ねる束ね手段の一例として保水部材５３が用いられている。保水部材５３は、吸水性および保水性を有する多孔質材料に自己吸水性を有する物質を含浸させたものである。具体的には、保水部材５３は、ポリエステルの繊維材料を織り合わせて固めた後に、ポリリン酸カリウムを含む潮解性物質を浸み込ませて構成したものである。その形状は、放電極部材５２のうちミストが放出される側の端部である上端部を覆わず、当該上端部以外の部分を覆う有底筒状の形状である。保水部材５３は、ミスト放出部として機能する放電極部材５２を保持している。保水部材５３は、その周辺の空気から水分を吸収する。複数のカーボンファイバーからなる放電極部材５２は、その上端部以外の部分、つまり、保水部材５３に接触する基端部および側部から、毛細管現象を利用して当該保水部材５３から吸水する。そして、放電極部材５２は、保水部材５３から吸収した水をミスト放出部に供給する。この場合も、保水部材５３は給水部として機能する。 As shown in FIG. 14, the discharge electrode member 52 provided as a mist discharge portion in the mist generating device 50 uses a carbon fiber that is a linear fiber material having conductivity. They are bundled so that the lengths in the direction match. In this case, a water retaining member 53 is used as an example of a bundling means for bundling carbon fibers. The water retention member 53 is obtained by impregnating a porous material having water absorption and water retention with a substance having self-water absorption. Specifically, the water retaining member 53 is formed by interweaving a polyester fiber material and hardening it, and then immersing a deliquescent material containing potassium polyphosphate. The shape is a bottomed cylindrical shape which does not cover the upper end part which is an edge part by the side of the discharge electrode member 52 in which mist is discharged | emitted, and covers parts other than the said upper end part. The water retaining member 53 holds a discharge electrode member 52 that functions as a mist discharge portion. The water retaining member 53 absorbs moisture from the surrounding air. The discharge electrode member 52 made of a plurality of carbon fibers absorbs water from the water retention member 53 by utilizing a capillary phenomenon from a portion other than the upper end portion thereof, that is, from a base end portion and a side portion in contact with the water retention member 53. The discharge electrode member 52 supplies the water absorbed from the water retention member 53 to the mist discharge portion. Also in this case, the water retaining member 53 functions as a water supply unit.
　放電極部材５２は、保水部材５３によって複数のカーボンファイバー同士が互いに接触した状態で束ねられた構成であり、一体的な放電極部材として通電可能に構成されている。そして、放電極部材５２は、ケース５１の上端に備えられた保持部材５４によって保持されている。保持部材５４は、例えばポリプロピレンなどの絶縁性材料で構成されている。また、保水部材５３の底面と導電部材１４とが接触している。そのため、放電極部材５２には、保水部材５３を介して負の高電圧が印加される。 The discharge electrode member 52 has a configuration in which a plurality of carbon fibers are bundled in contact with each other by a water retention member 53, and is configured to be energized as an integral discharge electrode member. The discharge electrode member 52 is held by a holding member 54 provided at the upper end of the case 51. The holding member 54 is made of an insulating material such as polypropylene. Further, the bottom surface of the water retaining member 53 and the conductive member 14 are in contact with each other. Therefore, a negative high voltage is applied to the discharge electrode member 52 via the water retention member 53.
　この場合、放電極部材５２および保水部材５３の両方に負の高電圧が印加される。しかし、放電極部材５２の電気伝導率は、保水部材５３の電気伝導率よりも高い。そのため、保水部材５３よりも放電極部材５２に電圧が与えられる傾向となり、ミストは、主として放電極部材５２から発生する。 In this case, a negative high voltage is applied to both the discharge electrode member 52 and the water retention member 53. However, the electrical conductivity of the discharge electrode member 52 is higher than the electrical conductivity of the water retention member 53. Therefore, voltage tends to be applied to the discharge electrode member 52 rather than the water retention member 53, and mist is generated mainly from the discharge electrode member 52.
　このように構成されたミスト発生装置５０によれば、カーボンファイバーのような数μｍ程度の繊維径の材料を用いている。そのため、繊維間の隙間が小さくなり、１ｎｍ程度の粒径のミストを放出することが可能になる。 According to the mist generator 50 configured as described above, a material having a fiber diameter of about several μm, such as carbon fiber, is used. Therefore, the gap between the fibers is reduced, and it becomes possible to release mist having a particle diameter of about 1 nm.
　また、保水部材５３によって繊維材料を束ねることにより、繊維を束ねる機能および保水機能の両機能を１つの部材で果たすことができる。そのため、ミスト発生装置の構成を簡略化できる。 Also, by bundling the fiber material with the water retaining member 53, both the functions of bundling the fibers and the water retaining function can be achieved with one member. Therefore, the configuration of the mist generator can be simplified.
　保水部材５３は、カーボンファイバーの上端部以外を覆うように形成されており、カーボンファイバーの基端部および側部と保水部材５３との接触面積を大きくした。これにより、放電極部材５２への給水を、より確実に行うことができる。 The water retention member 53 is formed so as to cover other than the upper end portion of the carbon fiber, and the contact area between the proximal end portion and the side portion of the carbon fiber and the water retention member 53 is increased. Thereby, the water supply to the discharge electrode member 52 can be performed more reliably.
　変形例としては、ミスト発生装置５０に導電部材１４を備えず、導電ロッド１５を直接的に放電極部材５２あるいは保水部材５３に接続することで放電極部材５２に負の高電圧を給電してもよい。 As a modification, the mist generator 50 is not provided with the conductive member 14, and a negative high voltage is supplied to the discharge electrode member 52 by directly connecting the conductive rod 15 to the discharge electrode member 52 or the water retention member 53. Also good.
　この構成によれば、導電部材１４を備える必要がないため、ミスト発生装置５０の一層の小型化が実現できる。
　（第８実施形態）
　次に、第８の実施形態について説明する。本実施形態は、冷蔵庫、洗濯機、電気掃除機などの家電機器に搭載されるミスト発生装置の放電極部材に白金ナノコロイドを担持させたものである。白金ナノコロイドは、例えば、当該白金ナノコロイドを含む処理液に放電極部材を浸漬して、これを焼成することによって担持させることができる。 According to this configuration, since it is not necessary to provide the conductive member 14, the mist generator 50 can be further downsized.
(Eighth embodiment)
Next, an eighth embodiment will be described. In the present embodiment, platinum nanocolloid is supported on a discharge electrode member of a mist generator mounted on a home appliance such as a refrigerator, a washing machine, and a vacuum cleaner. The platinum nanocolloid can be supported, for example, by immersing the discharge electrode member in a treatment solution containing the platinum nanocolloid and baking it.
　白金を、例えば粒径２～５ｎｍといったナノサイズまで小さくすると、つまり微粒子化すると、その微粒子つまり白金ナノ粒子は電位を帯びるようになる。そして、このような白金ナノ粒子に放電極部材を介して負の電荷が与えられると、当該白金ナノ粒子の電位つまり酸化還元電位がマイナスになる。酸化還元電位がマイナスとなった白金ナノ粒子に空気が接触すると、その白金ナノ粒子上で酸素分子からの電位移動が促進され、マイナスの電荷を帯びた酸素原子が生成される。マイナスの電荷を帯びた酸素原子は、そのエネルギーによって酸素ラジカルとなり、白金ナノ粒子から離脱して放出される。放出された酸素ラジカルは、ミスト状に放出された水粒子と接触し、これにより、ヒドロキシラジカルが生成される。 When platinum is reduced to a nano size such as 2 to 5 nm, for example, when it is made into fine particles, the fine particles, ie, platinum nanoparticles, become charged. When a negative charge is given to such platinum nanoparticles via the discharge electrode member, the potential of the platinum nanoparticles, that is, the oxidation-reduction potential becomes negative. When air comes into contact with platinum nanoparticles having a negative oxidation-reduction potential, the potential transfer from the oxygen molecules is promoted on the platinum nanoparticles, and negatively charged oxygen atoms are generated. The negatively charged oxygen atoms become oxygen radicals by their energy and are released from the platinum nanoparticles. The released oxygen radicals come into contact with the water particles released in the form of mist, whereby hydroxy radicals are generated.
　なお、ナノサイズまで小さくない白金粒子を放電極部材に担持させたとしても、このような白金粒子はプラスの電荷を帯びることから、強い酸化作用を有する酸素ラジカルやヒドロキシラジカルを生成させることはできない。 Even if platinum particles that are not as small as nano-size are supported on the discharge electrode member, such platinum particles have a positive charge and cannot generate oxygen radicals or hydroxy radicals having a strong oxidizing action. .
　本実施形態によれば、放電極部材に担持させた白金ナノコロイドによってヒドロキシラジカルが生成し易くなり、ミスト発生装置による除菌機能や脱臭機能を一層向上することができる。 According to this embodiment, it is easy to generate hydroxy radicals by the platinum nanocolloid supported on the discharge electrode member, and the sterilization function and deodorization function by the mist generator can be further improved.
　（第９実施形態）
　次に、第９実施形態について説明する。本実施形態は、冷蔵庫、洗濯機、電気掃除機などの家電機器に搭載されるミスト発生装置の構成が異なる。以下、異なる点のみを説明する。 (Ninth embodiment)
Next, a ninth embodiment will be described. This embodiment differs in the structure of the mist generator mounted in household appliances, such as a refrigerator, a washing machine, and a vacuum cleaner. Only different points will be described below.
　図１５に示すように、ミスト発生装置６０は、高電圧印加手段に代えて、ケース６１の底面に超音波振動子６１ａを備える。即ち、ミスト発生装置６０は、吸水性および保水性を有する多孔質材料に自己吸水性を有する物質を含浸させた放電極部材６２に、超音波振動子６１ａから発生する振動を付与する。これにより、ミスト発生装置６０は、放電極部材６２からミストを放出する。そして、ミスト発生装置６０は、放電極部材６２から放出されたミストに対し、例えば紫外線ＬＥＤで構成される図示しない紫外線照射部から紫外線を照射する。これにより、ミストにヒドロキシラジカルが発生し、このようなヒドロキシラジカルを含むミストにより除菌や脱臭が可能となる。 As shown in FIG. 15, the mist generating device 60 includes an ultrasonic transducer 61 a on the bottom surface of the case 61 instead of the high voltage applying unit. That is, the mist generating device 60 imparts vibration generated from the ultrasonic transducer 61a to the discharge electrode member 62 in which a porous material having water absorption and water retention is impregnated with a substance having self water absorption. As a result, the mist generating device 60 releases the mist from the discharge electrode member 62. Then, the mist generating device 60 irradiates the mist emitted from the discharge electrode member 62 with ultraviolet rays from an ultraviolet irradiation unit (not shown) constituted by, for example, ultraviolet LEDs. As a result, hydroxy radicals are generated in the mist, and sterilization and deodorization can be performed by the mist containing such hydroxy radicals.
　本実施形態によっても、強い酸化力を有するヒドロキシラジカルを含むミストを発生させることができ、除菌機能や脱臭機能を十分に発揮することができる。
　以上に説明した各実施形態に係る家電機器は、ミスト発生装置を搭載し、ミスト発生装置は、ミストを放出するミスト放出部と、空気中の水分を吸収する自己吸水性を有し、吸水した水をミスト放出部に供給する給水部と、を備える。この構成によれば、ミスト放出部に供給する水を貯めておく貯水部や、貯水部内の水を排水する排水部を備える必要がなく、ミスト発生装置の小型化を図ることができる。 Also according to this embodiment, it is possible to generate a mist containing a hydroxy radical having a strong oxidizing power, and sufficiently exhibit a sterilizing function and a deodorizing function.
Household appliances according to each embodiment described above are equipped with a mist generating device, the mist generating device has a mist discharging part that discharges mist, a self-water-absorbing device that absorbs moisture in the air, and absorbs water. A water supply unit that supplies water to the mist discharge unit. According to this structure, it is not necessary to provide a water storage part for storing water to be supplied to the mist discharge part or a drainage part for draining water in the water storage part, and the mist generator can be downsized.
　なお、ミスト発生装置は、放電極部材に対応する対極を当該放電極部材の近傍に設けない構成としてもよい。即ち、ミスト発生装置が搭載される家電機器には、例えば筺体といったアース線などを介して接地される部材が存在する。そのため、そのような接地される部材を、放電極部材に対する対極として機能させるように構成する。これにより、放電極部材からの放電自体が非常に穏やかになり、放電極部材と対極との間でコロナ放電が発生してしまうことを抑えることができ、オゾンや窒素酸化物などの有害ガスの発生を抑えることができる。 Note that the mist generator may be configured such that a counter electrode corresponding to the discharge electrode member is not provided in the vicinity of the discharge electrode member. In other words, home appliances on which the mist generator is mounted include a member that is grounded via a ground wire such as a housing. Therefore, such a grounded member is configured to function as a counter electrode for the discharge electrode member. As a result, the discharge itself from the discharge electrode member becomes very gentle, and the occurrence of corona discharge between the discharge electrode member and the counter electrode can be suppressed, and harmful gases such as ozone and nitrogen oxides can be prevented. Occurrence can be suppressed.
　また、ミスト発生装置は、設置スペースに余裕があるのであれば、補助的あるいは付加的に、放電極部材の一端が挿入される容器状の貯水部を備える構成としてもよい。この構成によれば、放電極部材に、空気中の水分のほか貯水部内の水も補助的に供給することができ、例えば空気中の水分が不足するような場合であっても、貯水部から水を補って放電極部材に十分に水を与えることができる。貯水部は、放電極部材に水が過剰に吸収された場合に、その放電極部材から溢れ出る水を受ける水受部としても機能するものである。従って、放電極部材から溢れ出た水を一旦蓄積しておき、その後、例えばミスト発生装置の周囲の空気が乾燥している場合、具体的には湿度が所定値以下である場合などに、再び放電極部材に供給することができる。 Further, the mist generating device may be configured to include a container-like water storage portion into which one end of the discharge electrode member is inserted, as long as there is a sufficient installation space. According to this configuration, in addition to the moisture in the air, the water in the reservoir can be supplementarily supplied to the discharge electrode member. For example, even if the moisture in the air is insufficient, Water can be supplemented and water can be sufficiently supplied to the discharge electrode member. The water storage part functions also as a water receiving part that receives water overflowing from the discharge electrode member when water is excessively absorbed by the discharge electrode member. Therefore, once the water overflowing from the discharge electrode member is accumulated, the air around the mist generator is dried, for example, when the humidity is below a predetermined value, for example, again. It can supply to a discharge electrode member.
　また、上述の各実施形態を組み合わせて実施してもよい。
　上述の各実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。これら新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。本実施形態およびその変形は、発明の範囲および要旨に含まれるとともに、請求の範囲に記載された発明とその均等の範囲に含まれる。 Moreover, you may implement combining the above-mentioned each embodiment.
Each above-mentioned embodiment is shown as an example and is not intending limiting the range of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. This embodiment and its modifications are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

Claims (27)

  1. 　ミストを放出するミスト放出部と、
    　空気中の水分を吸収する自己吸水性を有し、吸水した水を前記ミスト放出部に供給する給水部と、
    を備えるミスト発生装置を搭載する家電機器。     A mist discharge part for discharging mist;
    A water supply unit that has self-water absorption to absorb moisture in the air, and supplies the absorbed water to the mist discharge unit;
    Home appliances equipped with a mist generating device.
  2. 　前記給水部は潮解性物質を有する請求項１に記載の家電機器。 The household electrical appliance according to claim 1, wherein the water supply unit has a deliquescent substance.
  3. 　前記潮解性物質は分子量３００以上の高分子である請求項２に記載の家電機器。 The home appliance according to claim 2, wherein the deliquescent substance is a polymer having a molecular weight of 300 or more.
  4. 　前記ミスト放出部に高電圧を印加する高電圧印加手段を備え、
    　前記高電圧印加手段により前記ミスト放出部に高電圧が印加されることで、当該ミスト放出部からミストが放出する請求項１から３の何れか１項に記載の家電機器。     A high voltage applying means for applying a high voltage to the mist emitting portion;
    The household electrical appliance according to any one of claims 1 to 3, wherein a mist is emitted from the mist emitting part when a high voltage is applied to the mist emitting part by the high voltage applying unit.
  5. 　前記ミスト放出部に対する対極を備える請求項１から４の何れか１項に記載の家電機器。 The home electric appliance according to any one of claims 1 to 4, further comprising a counter electrode for the mist emitting portion.
  6. 　前記ミスト放出部は前記給水部の端部に一体的に設けられている請求項１から５の何れか１項に記載の家電機器。 The home appliance according to any one of claims 1 to 5, wherein the mist discharge portion is integrally provided at an end portion of the water supply portion.
  7. 　前記給水部のうち前記ミスト放出部とは反対側の端部が露出している請求項６に記載の家電機器。 The household electrical appliance according to claim 6, wherein an end of the water supply unit opposite to the mist discharge unit is exposed.
  8. 　前記給水部のうち前記ミスト放出部とは反対側の端部にも前記ミスト放出部が設けられている請求項６または７に記載の家電機器。 The household electrical appliance according to claim 6 or 7, wherein the mist discharge part is provided at an end of the water supply part opposite to the mist discharge part.
  9. 　前記ミスト発生装置は、前記ミスト放出部に供給する水を貯める貯水部および当該貯水部内の水を排水する排水部を備えていない請求項１から８の何れか１項に記載の家電機器。 The home appliance according to any one of claims 1 to 8, wherein the mist generating device does not include a water storage unit that stores water supplied to the mist discharge unit and a drainage unit that drains water in the water storage unit.
  10. 　前記ミスト放出部は、導電性を有する複数の繊維材料を束ねたものである請求項１から９の何れか１項に記載の家電機器。 The home appliance according to any one of claims 1 to 9, wherein the mist emitting portion is a bundle of a plurality of conductive fiber materials.
  11. 　前記給水部は、前記ミスト放出部を保持するとともに吸水した水を前記ミスト放出部に供給する保水部材を備え、
    　前記保水部材によって吸水した水分が前記ミスト放出部からミストとして放出される請求項１０に記載の家電機器。     The water supply section includes a water retention member that holds the mist discharge section and supplies water absorbed to the mist discharge section,
    The household electrical appliance according to claim 10, wherein water absorbed by the water retaining member is discharged as mist from the mist discharge portion.
  12. 　前記保水部材と前記ミスト放出部が接触している請求項１１に記載の家電機器。 The household electrical appliance according to claim 11, wherein the water retaining member and the mist discharge part are in contact with each other.
  13. 　前記ミスト放出部の前記繊維材料を束ねる束ね手段を備え、
    　前記ミスト放出部のうち前記保水部材と接触する側の端部が、前記束ね手段の端部から突出している請求項１１または１２に記載の家電機器。     A bundling means for bundling the fiber material of the mist discharge unit;
    The household electrical appliance of Claim 11 or 12 with which the edge part by the side of the said mist discharge | release part which contacts the said water retention member protrudes from the edge part of the said bundling means.
  14. 　前記保水部材が、前記ミスト放出部の前記繊維材料を束ねる束ね手段として備えられる請求項１１または１２に記載の家電機器。 The household electrical appliance according to claim 11 or 12, wherein the water retention member is provided as a bundling means for bundling the fiber material of the mist discharge portion.
  15. 　前記保水部材は、前記ミスト放出部のうちミストが放出される側の端部以外の部分を覆うことで前記繊維材料を束ねる請求項１４に記載の家電機器。 The household electrical appliance according to claim 14, wherein the water retaining member bundles the fiber material by covering a portion of the mist discharge portion other than the end portion on the side from which the mist is discharged.
  16. 　対象物として食品などの貯蔵物を収容する貯蔵室と、
    　前記貯蔵室内にミストを放出するように搭載された前記ミスト発生装置と、
    を備える冷蔵庫として構成された請求項１から１５の何れか１項に記載の家電機器。     A storage room for storing a storage product such as food as an object;
    The mist generator mounted to discharge mist into the storage chamber;
    The household electrical appliance of any one of Claim 1 to 15 comprised as a refrigerator provided with.
  17. 　前記貯蔵室を冷却する冷却器を備え、
    　前記ミスト発生装置は、空気が流れる方向において前記冷却器よりも下流側に搭載されている請求項１６に記載の家電機器。     A cooler for cooling the storage chamber;
    The home appliance according to claim 16, wherein the mist generating device is mounted on the downstream side of the cooler in a direction in which air flows.
  18. 　前記冷却器を除霜する除霜手段を備え、
    　前記除霜手段の運転開始後における庫内冷却中に、前記ミスト発生装置を運転する請求項１７に記載の家電機器。     Comprising defrosting means for defrosting the cooler;
    The household electrical appliance of Claim 17 which drives the said mist generating apparatus during the cooling of the inside after the driving | operation start of the said defrosting means.
  19. 　前記貯蔵室として冷蔵室を備えるとともに、この冷蔵室に供給する空気を冷却する冷蔵用冷却器を備え、
    　前記冷蔵用冷却器に発生した霜を用いて前記貯蔵室に供給される空気を加湿するように構成され、
    　前記ミスト発生装置は、加湿された空気に接触する位置に搭載されている請求項１６に記載の家電機器。     A refrigerating room is provided as the storage room, and a refrigerating cooler for cooling the air supplied to the refrigerating room is provided.
    It is configured to humidify the air supplied to the storage room using frost generated in the refrigeration cooler,
    The home appliance according to claim 16, wherein the mist generating device is mounted at a position in contact with humidified air.
  20. 　前記ミスト発生装置は、前記冷蔵用冷却器の下方以外の位置に搭載されている請求項１９に記載の家電機器。 The household electrical appliance according to claim 19, wherein the mist generating device is mounted at a position other than below the refrigeration cooler.
  21. 　前記貯蔵室として野菜室を備え、前記ミスト発生装置は前記野菜室内に搭載されている請求項１６に記載の家電機器。 The household electrical appliance according to claim 16, comprising a vegetable room as the storage room, wherein the mist generating device is mounted in the vegetable room.
  22. 　前記貯蔵室として冷蔵室および野菜室を備えるとともに、
    　前記冷蔵室と前記野菜室とを連通する風路を備え、
    　前記ミスト発生装置は、前記冷蔵室内に搭載されている請求項１６に記載の家電機器。     While having a refrigerator room and a vegetable room as the storage room,
    An air passage communicating the cold storage room and the vegetable room;
    The household electrical appliance according to claim 16, wherein the mist generating device is mounted in the refrigerated room.
  23. 　前記ミスト発生装置は、複数個搭載されている請求項１６に記載の家電機器。 The home appliance according to claim 16, wherein a plurality of the mist generating devices are mounted.
  24. 　前記貯蔵室内に密閉空間を備え、前記ミスト発生装置は、前記密閉空間内にミストを放出する請求項１６に記載の家電機器。 The household electrical appliance according to claim 16, further comprising a sealed space in the storage chamber, wherein the mist generating device discharges mist into the sealed space.
  25. 　対象物として食品などの貯蔵物を収容する貯蔵室と、
    　前記貯蔵室内に備えられる密閉空間と、
    　一端部の前記ミスト放出部から前記密閉空間内にミストを放出し、前記一端部とは反対側の端部の前記ミスト放出部から前記密閉空間外の前記貯蔵室内にミストを放出する前記ミスト発生装置と、
    を備える冷蔵庫として構成された請求項８に記載の家電機器。     A storage room for storing a storage product such as food as an object;
    A sealed space provided in the storage chamber;
    The mist generation that discharges mist from the mist discharge portion at one end into the sealed space and discharges mist from the mist discharge portion at the end opposite to the one end into the storage chamber outside the sealed space. Equipment,
    The household electrical appliance of Claim 8 comprised as a refrigerator provided with.
  26. 　外箱内に配設された水槽と、
    　前記水槽内に回転可能に配設され、対象物として洗濯物を収容する回転槽と、
    　前記回転槽内にミストを放出するように搭載された前記ミスト発生装置と、
    を備える洗濯機として構成された請求項１から１５の何れか１項に記載の家電機器。     A water tank disposed in the outer box;
    A rotating tub that is rotatably arranged in the water tub, and stores laundry as an object;
    The mist generating device mounted to discharge mist into the rotating tank;
    The household electrical appliance of any one of Claims 1-15 comprised as a washing machine provided with.
  27. 　集塵室を備えた本体ケースと、
    　前記本体ケース内にミストを放出するように搭載された前記ミスト発生装置と、
    を備える電気掃除機として構成された請求項１から１５の何れか１項に記載の家電機器。     A body case with a dust collection chamber;
    The mist generator mounted to discharge mist in the body case;
    The household electrical appliance of any one of Claim 1 to 15 comprised as a vacuum cleaner provided with.
PCT/JP2013/068734 2012-08-23 2013-07-09 Household appliance WO2014030449A1 (en)

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