WO2005083338A1 - Refrigerator, freezer, storage container and freezing warehouse - Google Patents

Refrigerator, freezer, storage container and freezing warehouse Download PDF

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Publication number
WO2005083338A1
WO2005083338A1 PCT/JP2004/002470 JP2004002470W WO2005083338A1 WO 2005083338 A1 WO2005083338 A1 WO 2005083338A1 JP 2004002470 W JP2004002470 W JP 2004002470W WO 2005083338 A1 WO2005083338 A1 WO 2005083338A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerator
freezer
exhaust
container
storage
Prior art date
Application number
PCT/JP2004/002470
Other languages
French (fr)
Japanese (ja)
Inventor
Yasutaka Nakata
Original Assignee
Yasutaka Nakata
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 Yasutaka Nakata filed Critical Yasutaka Nakata
Priority to US10/528,123 priority Critical patent/US20080006041A1/en
Priority to PCT/JP2004/002470 priority patent/WO2005083338A1/en
Priority to CN200480000014.8A priority patent/CN1735782A/en
Publication of WO2005083338A1 publication Critical patent/WO2005083338A1/en

Links

Classifications

    • 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
    • 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
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • 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
    • 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
    • F25D2317/043—Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment

Definitions

  • the present invention relates to a refrigerator, a freezer, a storage container, and a freezer warehouse, and more particularly to a refrigerator, a freezer, a storage container, and a freezer warehouse that maintain the freshness of food by using vacuum technology.
  • Akita
  • fruits and vegetables such as cucumbers and tomatoes can be cooled normally.However, in the case of leafy vegetables such as cabbage and Chinese cabbage, the air contained between the leaves plays a role of heat insulation. In this case, it takes about 10 hours to cool the inside. However, if you try to cool down rapidly by lowering the temperature below 0, ice will adhere to the leaf surface due to the humidity of the outside air taken in when the door is opened and closed, and the cell solution in the leaf cells May freeze and consequently the freshness may drop extremely. In addition to vegetables and fruits, foods such as sashimi and white-baked eels also become discolored if ice adheres to the surface, or if the cell fluid inside the cells freezes or oxidizes, and the appearance changes. It gets worse and tastes worse.
  • the present invention relates to a refrigerator / freezer having one or a plurality of storage rooms and cooling means for cooling the storage rooms; a closed container provided in the storage room for storing refrigerated / frozen food;
  • the present invention provides a refrigerator / freezer including an exhaust means for individually exhausting air and a switch means for turning on and off the exhaust means.
  • the closed containers in the storage room can be individually evacuated, and foods such as vegetables and fruits can be stored more effectively than fresh refrigeration and freezing for a long time with good freshness.
  • the present invention is also characterized in that in the refrigerator / freezer described above, the sealed container is provided with vacuum releasing means for releasing a vacuum state after the evacuation by the evacuation means.
  • the present invention is also characterized in that, in the refrigerator / freezer described above, the closed container is provided with open / close detection means for detecting opening / closing of a container door.
  • the present invention also provides the refrigerator / freezer described above, further comprising a temperature detecting means for detecting a temperature in the closed container, wherein the exhaust means comprises: a temperature detecting means for controlling the temperature in the closed container to a predetermined value. It is characterized in that exhaust is performed after detecting a decrease.
  • the temperature inside the closed container when the temperature inside the closed container is high, the temperature inside the container can be reduced by convection of the air inside the container, and cooling can be performed efficiently.
  • the present invention is also characterized in that a bioceramic element having bioactivity for generating negative ions is provided inside the sealed container.
  • the food in the sealed container can be prevented from being oxidized by the effect of the negative ions generated by the bioceramic, and the taste can be prevented from being impaired.
  • it has the effect of suppressing the odor emitted by the food in the sealed container. Since the generation of negative ions in bioceramics is semi-permanent, once installed, the effect will continue.
  • the present invention also provides a refrigerator / freezer having a plurality of storage rooms and cooling means for cooling the storage rooms, a closed container provided in the storage room for storing foods to be refrigerated / frozen, An exhaust duct having a connection end provided therein, the exhaust end being connectable to the airtight container by the connection end, and the exhaust duct being connected to the exhaust duct through the connection end by exhausting the exhaust duct.
  • the present invention provides a refrigerator / freezer, comprising: a common exhaust means for exhausting the closed container, and opening / closing means for opening and closing the connection between the closed container and the exhaust duct.
  • the closed container can be evacuated by a common exhaust means so that the food does not come into contact with the air.
  • Refrigerators and freezers that can keep food fresh for a long time by preventing icing on the surface can be realized.
  • the present invention also provides the refrigerator / freezer, wherein the opening / closing means does not open a connection between the closed container and the exhaust duct when the closed container is not connected to the connection end of the exhaust duct. It is characterized by the following.
  • the present invention also provides the refrigerator / freezer with temperature detecting means for detecting a temperature in the closed container, wherein the opening / closing means is configured such that the temperature detecting means reduces the temperature in the closed container to a predetermined value.
  • the connection between the hermetically closed container and the exhaust duct is opened after detecting this.
  • the temperature inside the closed container when the temperature inside the closed container is high, the temperature inside the container can be reduced by convection of the air inside the container, and cooling can be performed efficiently.
  • the present invention is also characterized in that in the refrigerator / freezer described above, the sealed container is provided with vacuum releasing means for releasing a vacuum state after the exhaust by the exhaust means.
  • the present invention is also characterized in that in the refrigerator / freezer, a bioceramic element having bioactivity for generating negative ions is provided inside the sealed container.
  • the food in the sealed container can be prevented from being oxidized by the effect of the negative ions generated by the bioceramic, and the taste can be prevented from being impaired.
  • it has the effect of suppressing the odor emitted by the food in the sealed container. Since the generation of negative ions in bioceramics is semi-permanent, once installed, the effect will continue.
  • the present invention also provides a refrigerator / freezer having one or more storage rooms and cooling means for cooling the storage rooms, wherein the storage rooms are formed in a sealed structure.
  • the present invention provides a refrigerator / freezer provided with an exhaust means for exhausting the storage room having the closed structure.
  • the storage room is sealed, the storage room is evacuated, the food does not come into contact with the air, the oxidation of the food and the icing on the food surface are prevented, and the freshness of the food can be maintained for a long time.
  • Possible refrigerator and freezer can be realized.
  • the present invention is also characterized in that, in the refrigerator / freezer, the storage chamber is provided with vacuum release means for releasing a vacuum state after the evacuation by the evacuation means.
  • the present invention is also characterized in that, in the refrigerator / freezer, the exhaust means performs an exhaust operation after the temperature in the storage chamber decreases to a predetermined temperature.
  • the present invention is also characterized in that in the refrigerator / freezer, the storage room is provided with an opening / closing detection means for detecting opening / closing of a storage room door.
  • the exhaust can be performed after confirming the opening and closing of the storage room door, so that there is no possibility of performing unnecessary exhaust.
  • the present invention is also the refrigerator / freezer, wherein the cooling means has a plurality of heat exchangers in the storage chamber.
  • the present invention is also characterized in that in the refrigerator / freezer, a bioceramic element having bioactivity for generating negative ions is provided inside the storage room.
  • the present invention also provides a storage container used for storing storage items in a refrigerated / refrigerated warehouse, a sealing means for sealing the storage container, and an exhaust means for individually exhausting the storage container.
  • a storage container comprising a switch means for turning on and off an exhaust means.
  • a storage container can be realized.
  • the present invention is also characterized in that the storage container is provided with vacuum releasing means for releasing a vacuum state after the evacuation by the evacuation means.
  • the present invention is further characterized in that a bioceramic element having bioactivity for generating negative ions is provided inside the storage container.
  • a bioceramic element having bioactivity for generating negative ions is provided inside the storage container.
  • the present invention also provides a freezing warehouse having a freezing room capable of freezing and storing stored items in a warehouse; a sealing means for sealing the freezing chamber; an exhaust means for individually exhausting the freezing chamber; A refrigeration warehouse comprising a switch means for turning on and off.
  • the freezing room in the freezer warehouse is evacuated, preventing food from coming into contact with air, preventing food from oxidizing and freezing on the food surface, and keeping food fresh for a long time.
  • a warehouse can be realized.
  • the present invention also provides the above-mentioned freezing warehouse, wherein A vacuum releasing means for releasing the vacuum state after the evacuation is provided.
  • the present invention is also characterized in that, in the freezer warehouse, a bioactive bioceramic element that generates negative ions is provided inside the freezer.
  • the present invention is also characterized in that, in the above-mentioned freezing warehouse, a temperature-sensitive sensor for detecting the presence of a human being or a living being at a temperature inside the freezing room is provided.
  • FIG. 1 is a sectional view of an embodiment of a commercial freezer of the present invention.
  • FIG. 2 is a sectional view of another embodiment of a commercial refrigerator / freezer according to the present invention.
  • FIG. 3 is a sectional view of still another embodiment of a commercial refrigerator / freezer according to the present invention.
  • FIG. 4 is a cross-sectional view of one embodiment of the domestic refrigerator / freezer of the present invention.
  • FIG. 5 is a cross-sectional view of an embodiment of a home refrigerator / freezer according to the present invention.
  • FIG. 1 is a sectional view of a commercial refrigeration / freezer 10 according to an embodiment of the present invention. It is.
  • reference numeral 11 denotes a sealed container
  • reference numeral 12 denotes a housing
  • reference numeral 13 denotes a heat insulating material
  • reference numeral 14 denotes a door
  • reference numeral 15 denotes an operation panel
  • reference numeral 16 denotes a heat exchanger
  • reference numeral 1 is a cool air circulation fan
  • 18 is a compressor
  • 19 is an exhaust pump
  • 20 is an exhaust duct
  • 21 is a shelf receiver
  • 22 is a shelf
  • 23 is packing
  • 2 is packing.
  • 4 is a vacuum release handle.
  • the operation of the commercial refrigeration / freezer 10 of the present invention will be described with reference to FIG.
  • the commercial refrigeration / freezer 10 is formed in a box shape from a housing jacket 12 made of a metal plate or the like and a heat insulating material 13 for backing the housing jacket 12.
  • the compressor 18 is driven by a motor (not shown).
  • the compressor 18 operates, the refrigerant vapor evaporated and reduced in temperature and pressure in the heat exchanger 16 is sucked into the compressor 18 and compressed. It becomes steam at a temperature much higher than room temperature.
  • This steam is passed through a condenser (not shown) outside the commercial refrigeration / freezer 10 to release heat. Then, the vapor is liquefied while passing through the condenser.
  • the liquefied refrigerant is passed to a heat exchanger 16 through a capillary tube (capillary tube) not shown.
  • a capillary tube capillary tube
  • the heat exchanger 16 inside the commercial refrigeration / freezer 10 removes its own heat by the heat of vaporization and also removes heat from the surroundings. Also deprives it of heat and lowers the temperature, lowering the temperature inside the refrigerator. This is similar to how a normal refrigerator works.
  • the refrigerator compartment of the commercial refrigeration / freezer 10 is a closed container 11, and its door is integrally formed with the door 14 of the refrigerator 10.
  • a shelf 22 supported by a shelf receiver 21 is provided, on which food can be placed.
  • the shelves 22 have a net-like or ladder-like upper and lower permeable structure so that they do not have resistance to air flow when exhausting.
  • the door 14 When the exhaust switch of the operation panel 15 provided on the door 14 is pressed in advance, the door 14 is completely When the closed state is detected, the exhaust pump 19 operates to exhaust the air in the sealed container 11 through the exhaust duct 20. After the food is stored, the switch of the operation panel 15 provided on the door 14 may be pushed to operate the exhaust pump 19. As a result, the inside of the sealed container 11 becomes a negative pressure atmosphere and a vacuum state. When the predetermined negative pressure is reached, the exhaust pump 19 automatically stops.
  • the open / closed state of the door 14 can be detected by a detection switch or the like provided on the door 14 side or the door portion of the sealed container 11.
  • the oxidation of the food is hindered, so that the freshness of the food can be maintained for a long time and the discoloration of the food can be prevented.
  • the air between the leaves is exhausted, and the moisture adhering to the leaf surface evaporates to take away the heat of vaporization. Since water does not adhere to the leaf surface as ice, freshness can be maintained for a long time.
  • the freshness of the food can be maintained for a longer time due to the effect of the negative ions generated by the bioceramic, and the freshness of the food can be maintained.
  • the effect of this bioceramic is sustained semi-permanently.
  • a vacuum release handle 24 is provided, and when opening the door 14, the handle 24 is operated so that the vacuum is released first.
  • the vacuum release handle 24 is not particularly limited in form and shape as long as the vent is opened by operating the handle and the vent is closed by returning the handle.
  • exhausting and cooling the airtight container 11 if there is no air in the container, there is a problem that convection is not performed and cooling is not performed efficiently. On the other hand, if the air in the container is cooled and then exhausted, the cooling of the heat capacity of the exhausted air becomes useless.
  • FIG. 2 is a cross-sectional view of another embodiment of the commercial refrigeration / freezer 10 of the present invention.
  • reference numerals 11a and 11b are sealed containers
  • reference numeral 12 is a housing
  • reference numeral 13 is a heat insulating material
  • reference numeral 14 is a door
  • reference numeral 15 is an operation panel
  • reference numeral 16 is a reference numeral.
  • Heat exchanger reference numeral 17 is a cool air circulation fan, reference numeral 18 is a compressor, reference numeral 19 is an exhaust pump, reference numeral 20 is an exhaust duct, reference numerals 21a and 21b are shelf supports, reference numeral 22a. , 2 2b is a shelf board, sign 23 a, 23 b is packing, sign 24 a, 24 b is a vacuum release handle, sign 25 a, 25 b is a container door, sign 26 a, 2 6b is a switchgear.
  • the same reference numerals are assigned to elements having the same functions as those in FIG.
  • a plurality of sealed containers 11a and 11b are provided in the refrigerator. These sealed containers 11a and li are independently connected to the exhaust duct 20, and a switchgear 26a, 2 is provided between the sealed containers 1 la and 11b and the exhaust duct 20. 6 b is provided.
  • the sealed containers 11a and 11b are provided with container doors 25a and 25b, respectively, so that they can be opened and closed independently.
  • the container doors 25a and 25b are provided with vacuum release handles 24a and 24b, respectively, so that the vacuum of the closed containers 11a and 11b can be released individually.
  • FIG. 3 shows a sectional view of another embodiment of the commercial refrigeration / freezer 10 of the present invention.
  • reference numeral 12 denotes a housing
  • reference numeral 13 denotes a heat insulating material
  • reference numeral 14 denotes a door
  • reference numeral 16 denotes a heat exchanger
  • reference numeral 17 denotes a cool air circulation fan
  • reference numeral 18 denotes a compressor
  • reference numeral 19 denotes an exhaust pump
  • reference numeral 20 denotes an exhaust duct
  • reference numeral 23 denotes packing
  • reference numeral 24 denotes a vacuum release handle
  • reference numeral 27 denotes a sealed chamber.
  • elements having the same functions as those in FIGS. 1 and 2 are given the same reference numerals.
  • This embodiment is different from those shown in FIGS. 1 and 2 in that the storage is a sealed room 27.
  • the sealed chamber 27 is configured to be sealed by a door 14, and the door 14 is provided with a vacuum release handle 24.
  • Packing 23 is provided around the sealed room 27 side of the door 14 and the side where the door of the sealed room 27 is in contact to prevent air leakage.
  • the evacuation pump 19 automatically starts the evacuation operation, and the hermetically sealed chamber 27 is opened. Exhausted.
  • the evacuation may be started after the internal temperature of the sealed chamber 27 of the storage has dropped to a predetermined temperature.
  • a plurality of heat exchangers 16 may be provided in the sealed chamber 27 so that the cooling effect can be maintained even after the exhaust.
  • the exhaust pump 19 may be provided outside the housing and externally attached. It should be noted that, by providing a Pyroceramic element inside the sealed chamber 27 as in the above-described example, the freshness of the food can be maintained longer by the minus ion effect.
  • the commercial refrigeration / freezer of the present invention has been described.
  • a similar sealing and exhaust configuration can be applied to a storage container stored in a freezing warehouse or a freezing room of a freezing warehouse. .
  • the storage container can be realized by using the same structure as the sealed container shown in Fig. 2 and providing an exhaust device for each container, and the freezing room of the freezing warehouse is the same as the commercial refrigerator in Fig. 3. This can be realized by increasing the size of the configuration.
  • FIG. 4 is a sectional view showing a configuration of a home refrigerator 10 according to an embodiment of the present invention.
  • reference numerals 1 1-1 to 1 1-1 5 indicate a closed container of the present invention
  • reference numeral 12 indicates a housing
  • reference numeral 13 indicates a heat insulator
  • reference numeral 14 indicates a door
  • reference numeral 14-1 indicates Refrigerator compartment doors
  • 14-2, 14 are vegetable storage compartment doors, 14-3, and 14-14, freezer compartment doors.
  • reference numeral 16-1 is a heat exchanger of a refrigerator
  • reference numeral 16-2 is a heat exchanger of a refrigerator
  • reference numeral 17-1 is a cooling air circulation fan of a refrigerator
  • reference numeral 17-2 is a refrigerator.
  • Cooling air circulation fan code 18 is a compressor, code 19 is an exhaust pump, code 20 is an exhaust duct, code 28 is a switchgear, code 29 is an interior lighting lamp, code 30 is a refrigerator compartment, code 31 is a vegetable storage room, reference numeral 32 is a freezer room A, and reference numeral 33 is a freezer room B.
  • code 18 is a compressor
  • code 19 is an exhaust pump
  • code 20 is an exhaust duct
  • code 28 is a switchgear
  • code 29 is an interior lighting lamp
  • code 30 is a refrigerator compartment
  • code 31 is a vegetable storage room
  • reference numeral 32 is a freezer room A
  • reference numeral 33 is a freezer room B.
  • the same reference numerals are given to the elements having the same functions as those in FIGS. 1, 2, and 3.
  • the compressor 18 is driven by a motor (not shown).
  • the compressor 18 When the compressor 18 operates, the low-temperature and low-pressure refrigerant vapor evaporated in the refrigerator compartment heat exchanger 16-1 and the freezer compartment heat exchanger 16-2 is sucked into the compressor 18 and compressed. However, the temperature becomes much higher than normal temperature. This steam is not shown on the outside of the refrigerator 10 Heat is released through a cool condenser. The vapor is then liquefied as it passes through the condenser. The liquefied refrigerant is passed through a capillary tube (capillary tube) (not shown) to the refrigerator compartment heat exchanger 16-1 and the freezer compartment heat exchanger 16-12.
  • a capillary tube capillary tube
  • the refrigerant drops in pressure due to the flow resistance of the capillary, expands and evaporates, and takes its own heat in the refrigerator heat exchanger 16-1 and the freezer heat exchanger 16_2 in the refrigerator 10.
  • heat is also taken from the surroundings to lower the temperature, lowering the temperature inside the refrigerator. Up to this point, the operation is the same as that of a normal refrigerator.
  • the refrigerator compartment 30, vegetable storage compartment 31, freezer compartment A 32, and freezer compartment B 33 in the refrigerator have airtight containers 1 1 1 1 1 to 1 1 1 1 5 attached and detachable.
  • the closed containers 1 1 1 1 1 to 1 1 1 to 5 are independently connected to the exhaust duct 20, and are connected between the closed containers 1 1 1 1 to 1 1 1 5 and the exhaust data 20. Is provided with a switchgear 28. When the opening / closing device 28 is opened, the air in the container is exhausted by the operation of the exhaust pump 19, and the pressure in the closed container 1 1 1 1 1 to 1 1 5 is reduced to a vacuum state lower than the atmospheric pressure. become.
  • the oxidation of the food will be hindered. Discoloration can be prevented. Also the field When storing leafy vegetables in the closed container 1 1 1 3 of the vegetable storage room 3 1, the air between the leaves is exhausted, and the moisture adhering to the leaf surface evaporates easily and easily At that time, the heat is removed, and the vegetables quickly cool down to the inside, making it difficult for freshness to drop. In addition, when storing ice blocks and frozen products made in the sealed containers 1 1 1 4 and 1 1 1 5 of the freezer compartment A 32 and the freezer compartment B 33, the ice This prevents them from sticking together and makes them easier to handle.
  • the freshness of the food can be maintained longer due to the effect of negative ions.
  • the opening and closing of the opening and closing device 28 can be performed by, for example, a panel switch (not shown) provided on the surface of the cold storage box main body 10.
  • the switchgear 28 opens only when it recognizes that the sealed container 111 is connected to the corresponding connection end of the exhaust duct 20. By not opening it, it is possible to prevent the exhaust pump 19 from performing an unnecessary exhaust operation.
  • the refrigerator 10 requires a motor to operate the compressor 18.
  • the compressor motor operates intermittently only when it is necessary to cool the inside of the refrigerator, not constantly. Therefore, it is possible to use the motor for the compressor as a motor for driving the exhaust pump 19, thereby making it possible to manufacture the apparatus at a lower cost and a smaller size.
  • FIG. 5 shows a sectional view of another embodiment of the household refrigerator 10 of the present invention having such a configuration.
  • the same components as those in FIG. 4 and components having the same functions are denoted by the same reference numerals for simplicity.
  • each of the closed containers 1 1 1 1 1 to 1 1 1 5 has an exhaust device 3 5 —! 3-5-5 are provided.
  • Exhaust system 3 5— :! 35 to 5 are composed of small exhaust pumps and blowers.
  • the power supply of the exhaust system 35—1 to 35-5— is taken from the connector provided in the refrigerator, and the exhaust system 35—1 to 35-5 is turned on and off by the exhaust system 35—1— It can be performed with a switch provided on the cover of 3-5-5.
  • the exhaust of the air in the closed container 1 1 1 1 1 to 1 1 1 5 is performed when the temperature of the air in the closed container 1 1 1 1 to 1 1 Close the lid of the sealed container 11-1 to 1-111, and wait for a predetermined time after instructing the evacuation. Also, in this case, as in the above-mentioned example, by providing a bioceramic element inside the sealed container 11-1 to 11-5, the freshness of the food can be maintained longer due to the effect of negative ions. Can be.
  • the home refrigerator / freezer according to the present invention has been described in accordance with the embodiments.
  • various measures can be considered for the present invention without departing from the spirit of the present invention.
  • the heat exchangers are shown as being provided in the freezer compartment and the refrigerator compartment, respectively. It goes without saying that it is possible to use a refrigerator that separates the freezer compartment from the refrigerator compartment.
  • the size and shape of the sealed container, the position of the exhaust duct and the position of the exhaust device are not described in detail here, but various deformations can be considered.

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  • Engineering & Computer Science (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)

Abstract

The invention relates to a refrigerator and the like and has for its object the realization of a refrigerator, a freezer, a storage container, and a freezing warehouse, for preserving freshness of food particularly by using vacuum technology. A business-use refrigerating/freezing unit having one or more storage chambers and a cooling means for cooling the storage chambers, the unit being characterized by comprising a sealed vessel (11) disposed in a storage chamber for storing food to be refrigerated, an exhaust means consisting of an exhaust pump (19), an exhaust duct (20), etc., for individually effecting the exhaust of the sealed vessel (11), and a switch means disposed on an operating panel (15) for turning on and off the exhaust means.

Description

冷蔵庫、 冷凍庫、 貯蔵用コンテナおよび冷凍倉庫 技術分野 Refrigerators, freezers, storage containers and freezer warehouses
本発明は、 冷蔵庫、 冷凍庫、 貯蔵用コンテナおよび冷凍倉庫に関し、 特に真空技術を用いて食品の鮮度を保つ冷蔵庫、 冷凍庫、 貯蔵用コンテ ナおよび冷凍倉庫に関する。 明 田  The present invention relates to a refrigerator, a freezer, a storage container, and a freezer warehouse, and more particularly to a refrigerator, a freezer, a storage container, and a freezer warehouse that maintain the freshness of food by using vacuum technology. Akita
背景技術 Background art
書  book
従来の冷蔵 ·冷凍庫は、 庫内を冷却することに重点が置かれていて冷 却、 冷蔵あるいは冷凍される食品の鮮度や品質の維持という面では必ず しも十分な対策がとられているとは言い難かった。 たとえば、 野菜ゃ果 物などの食品は、 その表面で呼吸をしており、 その呼吸によって寿命が 進んで鮮度が落ち、 やがてはしおれたりしなびたりする。 しかし低温で 保管すると、 その呼吸量が低下し、 例えば外気温が 1 5 °Cから 0 °Cに下 がると呼吸量が 1 3から 1 / 5に低下するので、 その鮮度を長時間保 つことができる。 しかし、 きゅう りやトマトなどの果菜類などは普通に 冷やしてやればよいが、 キャベツや白菜などの葉菜類の場合は、 葉と葉 の間に含まれる空気が断熱の役割を果たすので、 普通に冷やした場合に 内部まで冷やすには 1 0時間程度も時間がかかるという問題があった。 といって、 温度を 0でよりも下げて急激に冷やそうとすると、 扉の開閉 の際に取り込まれる外気の湿度の影響で葉の表面に氷が付着したり、 葉 の細胞内の細胞液が凍結したり して逆に極端に鮮度が低下してしまう ことがある。 また、 野菜や果物以外でも、 刺身やうなぎの白焼きなどの 食品でも、 表面に氷が付着したり、 細胞内の細胞液が凍結したり、 酸化 したりすると表面が変色してしまい、 見た目も悪くなるし味も落ちてし まう。  Conventional refrigeration / freezers are focused on cooling the inside of the refrigerator, and sufficient measures are always taken to maintain the freshness and quality of the food to be cooled, refrigerated or frozen. Was hard to say. For example, foods such as vegetables and fruits are breathing on the surface, and their breathing extends their lifespan, reduces freshness, and eventually withers and shrinks. However, when stored at low temperatures, the respiratory volume decreases, for example, when the outside temperature decreases from 15 ° C to 0 ° C, the respiratory volume decreases from 13 to 1/5, so that the freshness is maintained for a long time. I can. However, fruits and vegetables such as cucumbers and tomatoes can be cooled normally.However, in the case of leafy vegetables such as cabbage and Chinese cabbage, the air contained between the leaves plays a role of heat insulation. In this case, it takes about 10 hours to cool the inside. However, if you try to cool down rapidly by lowering the temperature below 0, ice will adhere to the leaf surface due to the humidity of the outside air taken in when the door is opened and closed, and the cell solution in the leaf cells May freeze and consequently the freshness may drop extremely. In addition to vegetables and fruits, foods such as sashimi and white-baked eels also become discolored if ice adheres to the surface, or if the cell fluid inside the cells freezes or oxidizes, and the appearance changes. It gets worse and tastes worse.
従来は、 このような問題を、 庫内温度を冷蔵 ·冷凍する食品に応じて 異ならせたり、 段階的に温度を調整することによって対策していた。 し かしながら、 保管する食品ごとに微妙に温度を調整することは、 それだ け手間もかかりコス トがかかることになる。 また、 温度制御だけで食品 の表面への着氷や細胞液の凍結が完全に防止できるわけではない。 また、 庫内に静電気による電場を発生させて食品の鮮度を保ったまま 長時間保存を図る方法なども報告されている。 静電気による電場は庫内 の食品の水分に作用して水のクラスターを細分化する。 これにより、 肉 類や魚介類の鮮度を保ち、 野菜や果物なども長時間に亙って瑞々しさを 保つことができるというものである。 しかし、 庫内の水分や結露、 結氷 などで安定な電界を維持するのが難しく、 高圧電源を必要とするなどの 問題がある。 Conventionally, such a problem has been solved depending on the food to be refrigerated and frozen. Countermeasures were taken by changing the temperature or adjusting the temperature in stages. However, subtly adjusting the temperature for each food item to be stored requires more time and effort. Also, temperature control alone cannot completely prevent icing on the food surface or freezing of cell fluid. There is also a report on how to generate an electric field due to static electricity in the refrigerator to preserve food for a long time while keeping it fresh. The electric field caused by static electricity acts on the moisture in the food in the cabinet and breaks up water clusters. As a result, meat and seafood can be kept fresh and vegetables and fruits can be kept fresh for a long time. However, there is a problem that it is difficult to maintain a stable electric field due to moisture, dew condensation, and icing in the refrigerator, requiring a high-voltage power supply.
一方、 トルマリンゃジルコニウムなどを含むバイオセラミックの中に は半永久的にマイナスイオンを発生するものがあることが知られてい る。 また、 マイナスイオンによって水のクラスターを細分化することが できることが知られている。 発明の開示  On the other hand, it is known that some bioceramics containing tourmaline and zirconium generate negative ions semipermanently. It is known that water clusters can be subdivided by negative ions. Disclosure of the invention
本発明は、 1ないし複数の貯蔵室と、 この貯蔵室を冷却する冷却手段 とを有する冷蔵庫 ·冷凍庫において、 前記貯蔵室内に設けられ冷蔵 ·冷 凍する食品を収納する密閉容器と、 この密閉容器の排気を個別に行なう 排気手段と、 この排気手段をオンオフするスィツチ手段とを具備する冷 蔵庫 ·冷凍庫を提供する。  The present invention relates to a refrigerator / freezer having one or a plurality of storage rooms and cooling means for cooling the storage rooms; a closed container provided in the storage room for storing refrigerated / frozen food; The present invention provides a refrigerator / freezer including an exhaust means for individually exhausting air and a switch means for turning on and off the exhaust means.
これにより、 貯蔵室内の密閉容器を個別に排気することができ、 野菜 や果物などの食品を、 単なる冷蔵、 冷凍よりもより効果的に、 長時間に 亙って鮮度良く保存することができる。  As a result, the closed containers in the storage room can be individually evacuated, and foods such as vegetables and fruits can be stored more effectively than fresh refrigeration and freezing for a long time with good freshness.
本発明はまた、 上記の冷蔵庫 ·冷凍庫において、 前記密封容器に前記 排気手段による排気後の真空状態を解除する真空解除手段を設けたこ とを特徴とする。  The present invention is also characterized in that in the refrigerator / freezer described above, the sealed container is provided with vacuum releasing means for releasing a vacuum state after the evacuation by the evacuation means.
これにより、 真空で冷蔵状態にある密閉容器を容易に開閉することが できる。 This makes it possible to easily open and close closed containers that are refrigerated under vacuum. it can.
本発明はまた、 上記の冷蔵庫 ·冷凍庫において、 前記密封容器に容器 扉部の開閉を検出する開閉検出手段を設けたことを特徴とする。  The present invention is also characterized in that, in the refrigerator / freezer described above, the closed container is provided with open / close detection means for detecting opening / closing of a container door.
これにより、 容器扉部の開閉を確認して排気ができるので、 無駄な排 気を行う虞がなくなる。  As a result, the opening and closing of the container door can be confirmed and the exhaust can be performed, so that there is no possibility of performing unnecessary exhaust.
本発明はまた、 上記の冷蔵庫 ·冷凍庫において、 前記密閉容器内の温 度を検出する温度検出手段を有し、 前記排気手段は、 この温度検出手段 が前記密閉容器内の温度が所定の値まで低下したのを検出した後、 排気 を行うことを特徴とする。  The present invention also provides the refrigerator / freezer described above, further comprising a temperature detecting means for detecting a temperature in the closed container, wherein the exhaust means comprises: a temperature detecting means for controlling the temperature in the closed container to a predetermined value. It is characterized in that exhaust is performed after detecting a decrease.
これにより、 密閉容器内の温度が高い段階では容器内の空気の対流に よって容器内の温度を下げることができ、 効率的に冷却することができ る。  Thus, when the temperature inside the closed container is high, the temperature inside the container can be reduced by convection of the air inside the container, and cooling can be performed efficiently.
本発明はまた、 前記密封容器の内部にマイナスイオンを発生する生体 活性を有するバイオセラミック素子を設けたことを特徴とする。  The present invention is also characterized in that a bioceramic element having bioactivity for generating negative ions is provided inside the sealed container.
これにより、 バイオセラミックの発生するマイナスイオンの効果によ つて、 密封容器内の食品の酸化を防ぐことができ、 味覚を損なうことを 防止することができる。 さらに、 密封容器内の食品が発する匂いを抑え る効果も生まれる。 バイオセラミックのマイナスイオンの発生は半永久 的であるため、 一度設置すれば効果は継続される。  As a result, the food in the sealed container can be prevented from being oxidized by the effect of the negative ions generated by the bioceramic, and the taste can be prevented from being impaired. In addition, it has the effect of suppressing the odor emitted by the food in the sealed container. Since the generation of negative ions in bioceramics is semi-permanent, once installed, the effect will continue.
本発明はまた、 複数の貯蔵室と、 この貯蔵室を冷却する冷却手段とを 有する冷蔵庫 ·冷凍庫において、 前記貯蔵室内に設けられ冷蔵 ·冷凍す る食品を収納する密閉容器と、 前記貯蔵室に設けられた接続端を有し、 この接続端によって前記密閉容器と接続可能な排気ダク トと、 前記排気 ダク ト内の排気を行うことで、 前記接続端を介して前記排気ダク トに接 続された前記密閉容器の排気を行う共通排気手段と、 前記密閉容器と前 記排気ダク トとの接続を開閉する開閉手段とを具備する冷蔵庫 ·冷凍庫 を提供する。  The present invention also provides a refrigerator / freezer having a plurality of storage rooms and cooling means for cooling the storage rooms, a closed container provided in the storage room for storing foods to be refrigerated / frozen, An exhaust duct having a connection end provided therein, the exhaust end being connectable to the airtight container by the connection end, and the exhaust duct being connected to the exhaust duct through the connection end by exhausting the exhaust duct. The present invention provides a refrigerator / freezer, comprising: a common exhaust means for exhausting the closed container, and opening / closing means for opening and closing the connection between the closed container and the exhaust duct.
これにより、 共通の排気手段によって、 密閉容器を真空状態にして食 品が空気に触れないようにすることができるので、 食品の酸化、 食品表 面への着氷を防いで、 食品の鮮度を長時間保つことが可能な冷蔵庫 ·冷 凍庫を実現することができる。 As a result, the closed container can be evacuated by a common exhaust means so that the food does not come into contact with the air. Refrigerators and freezers that can keep food fresh for a long time by preventing icing on the surface can be realized.
本発明はまた、 上記冷蔵庫 ·冷凍庫において、 前記開閉手段は前記密 閉容器が前記排気ダク トの前記接続端に接続されていない場合は、 前記 密閉容器と前記排気ダク トとの接続を開かないことを特徴とする。  The present invention also provides the refrigerator / freezer, wherein the opening / closing means does not open a connection between the closed container and the exhaust duct when the closed container is not connected to the connection end of the exhaust duct. It is characterized by the following.
これにより、 密閉容器が接続されていない限り排気ダク トからの排気 が行われることがないので、 無駄な排気が行われる心配がない。  As a result, no exhaust is performed from the exhaust duct unless the closed container is connected, so there is no need to worry about unnecessary exhaust being performed.
本発明はまた、 上記冷蔵庫 ·冷凍庫において、 前記密閉容器内の温度 を検出する温度検出手段を有し、 前記開閉手段は、 この温度検出手段が 前記密閉容器内の温度が所定の値まで低下したのを検出した後、 前記密 閉容器と前記排気ダク トとの接続を開くことを特徴とする。  The present invention also provides the refrigerator / freezer with temperature detecting means for detecting a temperature in the closed container, wherein the opening / closing means is configured such that the temperature detecting means reduces the temperature in the closed container to a predetermined value. The connection between the hermetically closed container and the exhaust duct is opened after detecting this.
これにより、 密閉容器内の温度が高い段階では容器内の空気の対流に よって容器内の温度を下げることができ、 効率的に冷却することができ る。  Thus, when the temperature inside the closed container is high, the temperature inside the container can be reduced by convection of the air inside the container, and cooling can be performed efficiently.
本発明はまた、 上記冷蔵庫 ·冷凍庫において、 前記密封容器に前記排 気手段による排気後の真空状態を解除する真空解除手段を設けたこと を特徴とする。  The present invention is also characterized in that in the refrigerator / freezer described above, the sealed container is provided with vacuum releasing means for releasing a vacuum state after the exhaust by the exhaust means.
これにより、 真空で冷蔵状態にある密閉容器を容易に開閉することが できる。  This makes it possible to easily open and close the closed container that is in a refrigerated state under vacuum.
本発明はまた、 上記冷蔵庫 ·冷凍庫において、 前記密封容器の内部に マイナスイオンを発生する生体活性を有するバイオセラミック素子を 設けたことを特徴とする。  The present invention is also characterized in that in the refrigerator / freezer, a bioceramic element having bioactivity for generating negative ions is provided inside the sealed container.
これにより、 バイオセラミックの発生するマイナスイオンの効果によ つて、 密封容器内の食品の酸化を防ぐことができ、 味覚を損なうことを 防止することができる。 さらに、 密封容器内の食品が発する匂いを抑え る効果も生まれる。 バイオセラミックのマイナスイオンの発生は半永久 的であるため、 一度設置すれば効果は継続される。  As a result, the food in the sealed container can be prevented from being oxidized by the effect of the negative ions generated by the bioceramic, and the taste can be prevented from being impaired. In addition, it has the effect of suppressing the odor emitted by the food in the sealed container. Since the generation of negative ions in bioceramics is semi-permanent, once installed, the effect will continue.
本発明はまた、 1ないし複数の貯蔵室と、 この貯蔵室を冷却する冷却 手段とを有する冷蔵庫 ·冷凍庫において、 前記貯蔵室が密封構造に形成 され、 この密閉構造の貯蔵室の排気を行なう排気手段を具備する冷蔵 庫 ·冷凍庫を提供する。 The present invention also provides a refrigerator / freezer having one or more storage rooms and cooling means for cooling the storage rooms, wherein the storage rooms are formed in a sealed structure. In addition, the present invention provides a refrigerator / freezer provided with an exhaust means for exhausting the storage room having the closed structure.
これにより、 貯蔵室を密閉にしてこの貯蔵室自身を真空にし、 食品が 空気に触れないようにして、 食品の酸化、 食品表面への着氷を防いで、 食品の鮮度を長時間保つことが可能な冷蔵庫 ·冷凍庫を実現することが できる。  In this way, the storage room is sealed, the storage room is evacuated, the food does not come into contact with the air, the oxidation of the food and the icing on the food surface are prevented, and the freshness of the food can be maintained for a long time. Possible refrigerator and freezer can be realized.
本発明はまた、 上記冷蔵庫 ·冷凍庫において、 前記貯蔵室に前記排気 手段による排気後の真空状態を解除する真空解除手段を設けたことを 特徴とする。  The present invention is also characterized in that, in the refrigerator / freezer, the storage chamber is provided with vacuum release means for releasing a vacuum state after the evacuation by the evacuation means.
これにより、 真空で冷蔵状態にある貯蔵室を容易に開閉することがで さる。  This makes it easy to open and close the storage room that is refrigerated by vacuum.
本発明はまた、 上記冷蔵庫 ·冷凍庫において、 前記排気手段は前記貯 蔵室内の温度が所定の温度まで低下するのを待って排気動作を行うこ とを特徴とする。  The present invention is also characterized in that, in the refrigerator / freezer, the exhaust means performs an exhaust operation after the temperature in the storage chamber decreases to a predetermined temperature.
これにより、 貯蔵室の温度が高い段階では室内の空気の対流によって 貯蔵室内の温度を下げることができ、 効率的に冷却することができる。 本発明はまた、 上記冷蔵庫 ·冷凍庫において、 前記貯蔵室に貯蔵室扉 の開閉を検出する開閉検出手段を設けたことを特徴とする。  As a result, when the temperature of the storage room is high, the temperature in the storage room can be reduced by the convection of the air in the room, and cooling can be performed efficiently. The present invention is also characterized in that in the refrigerator / freezer, the storage room is provided with an opening / closing detection means for detecting opening / closing of a storage room door.
これにより、 貯蔵室扉の開閉を確認して排気ができるので、 無駄な排 気を行う虞がなくなる。  As a result, the exhaust can be performed after confirming the opening and closing of the storage room door, so that there is no possibility of performing unnecessary exhaust.
本発明はまた、 上記冷蔵庫 ·冷凍庫において、 前記冷却手段は前記貯 蔵室内に複数の熱交換器を有することを特徴とする。  The present invention is also the refrigerator / freezer, wherein the cooling means has a plurality of heat exchangers in the storage chamber.
これにより、 排気が進んでも有効に冷却を行うことができ、 かつ、 貯 蔵室の湿度を保つことができる。  As a result, cooling can be performed effectively even when the evacuation proceeds, and the humidity of the storage room can be maintained.
本発明はまた、 上記冷蔵庫 ·冷凍庫において、 前記貯蔵室の内部にマ ィナスイオンを発生する生体活性を有するバイオセラミック素子を設 けたことを特徴とする。  The present invention is also characterized in that in the refrigerator / freezer, a bioceramic element having bioactivity for generating negative ions is provided inside the storage room.
これにより、 バイオセラミックの発生するマイナスイオンの効果によ つて、 貯蔵室內の食品の酸化を防ぐことができ、 味覚を損なうことを防 止することができる。 さらに、 貯蔵室内の食品が発する匂いを抑える効 果も生まれる。 バイオセラミックのマイナスイオンの発生は半永久的で あるため、 一度設置すれば効果は継続される。 This prevents the food in the storage compartment from being oxidized due to the effect of the negative ions generated by the bioceramic, thereby preventing the taste from being impaired. Can be stopped. In addition, it has the effect of suppressing the smell emitted by food in the storage room. Since the generation of negative ions in bioceramics is semi-permanent, once installed, the effect will continue.
本発明はまた、 冷蔵 ·冷凍倉庫内で貯蔵品の収納に用いられる貯蔵用 コンテナにおいて、 前記貯蔵用コンテナを密閉する密閉手段と、 前記貯 蔵用コンテナの排気を個別に行なう排気手段と、 この排気手段をオンォ フするスィツチ手段とを具備する貯蔵用コンテナを提供する。  The present invention also provides a storage container used for storing storage items in a refrigerated / refrigerated warehouse, a sealing means for sealing the storage container, and an exhaust means for individually exhausting the storage container. There is provided a storage container comprising a switch means for turning on and off an exhaust means.
これにより、 貯蔵用コンテナを密閉にして真空化し、 食品が空気に触 れないようにして、 食品の酸化、 食品表面への着氷を防いで、 食品の鮮 度を長時間保つことが可能な貯蔵用コンテナを実現することができる。 本発明はまた、 上記貯蔵用コンテナに、 前記排気手段による排気後の 真空状態を解除する真空解除手段を設けたことを特徴とする。  This allows the storage container to be sealed and evacuated, preventing food from touching the air, preventing food from oxidizing and freezing on the food surface, and keeping food fresh for a long time. A storage container can be realized. The present invention is also characterized in that the storage container is provided with vacuum releasing means for releasing a vacuum state after the evacuation by the evacuation means.
これにより、 真空で冷蔵状態にある貯蔵用コンテナを容易に開閉する ことができる。  This makes it possible to easily open and close the storage container in a refrigerated state under vacuum.
本発明はまた、 上記貯蔵用コンテナの内部にマイナスイオンを発生す る生体活性を有するバイオセラミック素子を設けたことを特徴とする。 これにより、 バイオセラミックの発生するマイナスイオンの効果によ つて、 貯蔵用コンテナ内の食品の酸化を防ぐことができ、 味覚を損なう ことを防止することができる。 さらに、 コンテナ内の食品が発する匂い を抑える効果も生まれる。 バイオセラミックのマイナスイオンの発生は 半永久的であるため、 一度設置すれば効果は継続される。  The present invention is further characterized in that a bioceramic element having bioactivity for generating negative ions is provided inside the storage container. As a result, the food in the storage container can be prevented from being oxidized due to the effect of the negative ions generated by the bioceramic, and the taste can be prevented from being impaired. In addition, it has the effect of suppressing the smell emitted by the food in the container. Since the generation of negative ions in bioceramics is semi-permanent, once installed, the effect will continue.
本発明はまた、 倉庫内に貯蔵品を冷凍保存可能な冷凍室を有する冷凍 倉庫において、 前記冷凍室を密閉する密閉手段と、 前記冷凍室の排気を 個別に行なう排気手段と、 この排気手段をオンオフするスィツチ手段と を具備する冷凍倉庫を提供する。  The present invention also provides a freezing warehouse having a freezing room capable of freezing and storing stored items in a warehouse; a sealing means for sealing the freezing chamber; an exhaust means for individually exhausting the freezing chamber; A refrigeration warehouse comprising a switch means for turning on and off.
これにより、 冷凍倉庫の冷凍室を真空化し、 食品が空気に触れないよ うにして、 食品の酸化、 食品表面への着氷を防いで、 食品の鮮度を長時 間保つことが可能な冷凍倉庫を実現することができる。  As a result, the freezing room in the freezer warehouse is evacuated, preventing food from coming into contact with air, preventing food from oxidizing and freezing on the food surface, and keeping food fresh for a long time. A warehouse can be realized.
本発明はまた、 上記冷凍倉庫において、 前記冷凍室に前記排気手段に よる排気後の真空状態を解除する真空解除手段を設けたことを特徴と する。 The present invention also provides the above-mentioned freezing warehouse, wherein A vacuum releasing means for releasing the vacuum state after the evacuation is provided.
これにより、 真空で冷蔵状態にある冷凍室を容易に開閉することがで きる。  This makes it possible to easily open and close the freezer compartment that is in a refrigerated state under vacuum.
本発明はまた、 上記冷凍倉庫において、 前記冷凍室の内部にマイナス イオンを発生する生体活性なバイオセラミック素子を設けたことを特 徴とする。  The present invention is also characterized in that, in the freezer warehouse, a bioactive bioceramic element that generates negative ions is provided inside the freezer.
これにより、 バイオセラミックの発生するマイナスイオンの効果によ つて、 冷凍室内の食品の酸化を防ぐことができ、 味覚を損なうことを防 止することができる。 さらに、 冷凍室内の食品が発する匂いを抑える効 果も生まれる。 バイオセラミックのマイナスイオンの発生は半永久的で あるため、 一度設置すれば効果は継続される。  This can prevent the food in the freezer from being oxidized due to the effect of the negative ions generated by the bioceramic, thereby preventing the taste from being impaired. In addition, it also has the effect of suppressing the smell emitted by food in the freezer. Since the generation of negative ions in bioceramics is semi-permanent, once installed, the effect will continue.
本発明はまた、 上記冷凍倉庫において、 前記冷凍室の内部に温度で人 間や生物の存在を検出する感温センサを設けたことを特徴とする。  The present invention is also characterized in that, in the above-mentioned freezing warehouse, a temperature-sensitive sensor for detecting the presence of a human being or a living being at a temperature inside the freezing room is provided.
これにより、 冷凍室内部に人間や犬猫などが閉じ込められる危険を避 けることができる。 図面の簡単な説明  This can avoid the danger of trapping humans, dogs and cats inside the freezer compartment. Brief Description of Drawings
第 1図 本発明の業務用冷凍庫の一実施の形態の断面図である。  FIG. 1 is a sectional view of an embodiment of a commercial freezer of the present invention.
第 2図 本発明の業務用冷蔵 ·冷凍庫の他の実施の形態の断面図であ る。  FIG. 2 is a sectional view of another embodiment of a commercial refrigerator / freezer according to the present invention.
第 3図 本発明の業務用冷蔵 ·冷凍庫のさらに他の実施の形態の断面 図である。  FIG. 3 is a sectional view of still another embodiment of a commercial refrigerator / freezer according to the present invention.
第 4図 本発明の家庭用冷蔵'冷凍庫の一実施の形態の断面図である。 第 5図 本発明の家庭用冷蔵'冷凍庫の一実施の形態の断面図である。 発明を実施するための最良の形態  FIG. 4 is a cross-sectional view of one embodiment of the domestic refrigerator / freezer of the present invention. FIG. 5 is a cross-sectional view of an embodiment of a home refrigerator / freezer according to the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
本発明の実施の形態を図面を参照にして詳細に説明する。  Embodiments of the present invention will be described in detail with reference to the drawings.
第 1図は、 本発明の一実施例である業務用冷蔵 ·冷凍庫 1 0の断面図 である。 FIG. 1 is a sectional view of a commercial refrigeration / freezer 10 according to an embodiment of the present invention. It is.
第 1図において、 符号 1 1は密封容器、 符号 1 2は筐体外被、 符号 1 3は断熱材、 符号 1 4は扉、 符号 1 5は操作盤、 符号 1 6は熱交換器、 符号 1 7は冷気循環ファン、符号 1 8は圧縮機、符号 1 9は排気ポンプ、 符号 2 0は排気ダク ト、 符号 2 1は棚受け、 符号 2 2は棚板、 符号 2 3 はパッキング、 符号 2 4は真空解除ハンドルである。  In FIG. 1, reference numeral 11 denotes a sealed container, reference numeral 12 denotes a housing, reference numeral 13 denotes a heat insulating material, reference numeral 14 denotes a door, reference numeral 15 denotes an operation panel, reference numeral 16 denotes a heat exchanger, and reference numeral 1. 7 is a cool air circulation fan, 18 is a compressor, 19 is an exhaust pump, 20 is an exhaust duct, 21 is a shelf receiver, 22 is a shelf, 23 is packing, and 2 is packing. 4 is a vacuum release handle.
第 1図に沿って本発明の業務用冷蔵 ·冷凍庫 1 0の動作を説明する。 本業務用冷蔵 ·冷凍庫 1 0は金属板などからなる筐体外被 1 2とそれ を裏打ちする保冷用の断熱材 1 3から箱状に構成されている。 圧縮機 1 8は図示しないモータによって駆動され、 圧縮機 1 8が動作すると、 熱 交換器 1 6で蒸発して低温低圧となった冷媒の蒸気が圧縮機 1 8に吸 入されて圧縮され、 常温よりもかなり高い温度の蒸気となる。 この蒸気 を、 本業務用冷蔵 ·冷凍庫 1 0の外側にある図示しない凝縮器に通して 熱を放出させる。 すると、 蒸気は凝縮器を通過するうちに液化される。 この液化された冷媒を図示しない毛細管 （キヤビラリチューブ） を通し て熱交換器 1 6に向かわせる。 このとき、 毛細管の流動抵抗によって冷 媒の圧力が下がり、 冷媒は膨張して気化し、 業務用冷蔵 ·冷凍庫 1 0内 部の熱交換器 1 6で気化熱により 自らの熱を奪う とともに周囲からも 熱を奪って低温になり、 庫内の温度を下げる。 これは通常の冷蔵庫の働 きと同様である。  The operation of the commercial refrigeration / freezer 10 of the present invention will be described with reference to FIG. The commercial refrigeration / freezer 10 is formed in a box shape from a housing jacket 12 made of a metal plate or the like and a heat insulating material 13 for backing the housing jacket 12. The compressor 18 is driven by a motor (not shown). When the compressor 18 operates, the refrigerant vapor evaporated and reduced in temperature and pressure in the heat exchanger 16 is sucked into the compressor 18 and compressed. It becomes steam at a temperature much higher than room temperature. This steam is passed through a condenser (not shown) outside the commercial refrigeration / freezer 10 to release heat. Then, the vapor is liquefied while passing through the condenser. The liquefied refrigerant is passed to a heat exchanger 16 through a capillary tube (capillary tube) not shown. At this time, the pressure of the refrigerant drops due to the flow resistance of the capillary, and the refrigerant expands and evaporates.The heat exchanger 16 inside the commercial refrigeration / freezer 10 removes its own heat by the heat of vaporization and also removes heat from the surroundings. Also deprives it of heat and lowers the temperature, lowering the temperature inside the refrigerator. This is similar to how a normal refrigerator works.
この業務用冷蔵 ·冷凍庫 1 0の冷蔵室内は、 密閉容器 1 1になってい て、 その扉部は冷蔵庫 1 0の扉 1 4と一体の構造になっている。 この密 閉容器 1 1の内部は棚受け 2 1に支持された棚板 2 2が設けられてい て、 食品を載置できる。 棚板 2 2は網状またはすのこ状の上下に通気性 がある構成であり排気の際に通気上の抵抗にならないようになってい る。 食品を冷蔵保存する場合は、 食品をこの密閉容器 1 1の棚板 2 2上 に載置して収納する。 その上で、 扉 1 4を閉じると、 扉 1 4の内部側に 設けられたパッキング 2 3が密閉容器 1 1を密封する。 予め、 扉 1 4に 設けられた操作盤 1 5の排気スィッチを押しておく と、 扉 1 4が完全に 閉じたことが検出されるとともに、 排気ポンプ 1 9が働らいて密封容器 1 1内の空気を排気ダク ト 2 0を介して排気を行う。 食品収納後に扉 1 4に設けられた操作盤 1 5のスィツチを押して排気ポンプ 1 9を働か せても良い。 これにより、 密閉容器 1 1内が負圧雰囲気、 真空状態にな る。 所定の負圧状態になったところで排気ポンプ 1 9は自動的に停止す る。 扉 1 4の開閉状態は扉 1 4側または密閉容器 1 1の扉部分に設けら れた検出スィツチなどによって検出することができる。 The refrigerator compartment of the commercial refrigeration / freezer 10 is a closed container 11, and its door is integrally formed with the door 14 of the refrigerator 10. Inside the closed container 11, a shelf 22 supported by a shelf receiver 21 is provided, on which food can be placed. The shelves 22 have a net-like or ladder-like upper and lower permeable structure so that they do not have resistance to air flow when exhausting. When the food is stored refrigerated, the food is placed on the shelf 22 of the closed container 11 and stored. Then, when the door 14 is closed, the packing 23 provided inside the door 14 seals the closed container 11. When the exhaust switch of the operation panel 15 provided on the door 14 is pressed in advance, the door 14 is completely When the closed state is detected, the exhaust pump 19 operates to exhaust the air in the sealed container 11 through the exhaust duct 20. After the food is stored, the switch of the operation panel 15 provided on the door 14 may be pushed to operate the exhaust pump 19. As a result, the inside of the sealed container 11 becomes a negative pressure atmosphere and a vacuum state. When the predetermined negative pressure is reached, the exhaust pump 19 automatically stops. The open / closed state of the door 14 can be detected by a detection switch or the like provided on the door 14 side or the door portion of the sealed container 11.
このようにして、 真空化された密閉容器 1 1内に食品を冷蔵すると、 食品の酸化が妨げられるので、 食品の鮮度を長時間維持することができ、 食品の変色を防ぐことができる。 ことに、 葉菜類を保存する場合には、 葉と葉の間の空気が排気されるためと、 葉の表面に付着する水分が気化 して気化熱を奪うため、 野菜の内部まで早く冷えるとともに、 葉の表面 に水分が氷となって付着することがないので、 鮮度を長時間保つことが できる。  In this way, if the food is refrigerated in the evacuated airtight container 11, the oxidation of the food is hindered, so that the freshness of the food can be maintained for a long time and the discoloration of the food can be prevented. In particular, when preserving leafy vegetables, the air between the leaves is exhausted, and the moisture adhering to the leaf surface evaporates to take away the heat of vaporization. Since water does not adhere to the leaf surface as ice, freshness can be maintained for a long time.
さらに、 この密閉容器 1 1内部の壁などにバイオセラミック素子を貼 り付けておく と、 バイオセラミックが発生するマイナスイオンの効果に より食品の鮮度がより長く維持され、 食品の鮮度が保てる。 このバイオ セラミックの効果は半永久的に持続される。  Furthermore, if a bioceramic element is pasted to the wall inside the closed container 11, the freshness of the food can be maintained for a longer time due to the effect of the negative ions generated by the bioceramic, and the freshness of the food can be maintained. The effect of this bioceramic is sustained semi-permanently.
ところで、 ー且排気した密閉容器 1 1は大気圧によって容易に開くこ とができない。 これを解決するため、 本実施の形態では、 真空解除ハン ドル 2 4を設けておき、 扉 1 4を開く際にはこのハンドル 2 4を操作し て、 まず、 真空を解除した後で開くようにする。 真空解除ハンドル 2 4 は、 ハンドルを操作することによって通気路が開き、 戻すことによって 通気路が閉じるような形式のものであれば特こ形式、 形状は問わない。 また、 密閉容器 1 1の排気と冷却に際し、 容器内の空気がなくなると 対流が行われなくなって冷却が効率的に行われなくなるという問題が ある。 一方、 容器内の空気を冷却してから排気するのでは、 排気した空 気の熱容量分を冷却が無駄になる。 この兼ね合いから、 比較的温度の高 い段階では対流を促すようにし、 所定の温度まで低下した後に排気を行 うのが効率的である。 このため、 この発明では、 密閉容器 1 1の温度を 検出する手段を設け、 所定の温度になつてから排気を行うようにする。 あるいは、 排気後も完全に真空にならないように工夫することもできる。 第 2図に、 本発明の業務用冷蔵 ·冷凍庫 1 0の他の実施の形態の断面 図を示す。 第 2図において、 符号 1 1 a及ぴ 1 1 bは密封容器、 符号 1 2は筐体外被、 符号 1 3は断熱材、 符号 1 4は扉、 符号 1 5は操作盤、 符号 1 6は熱交換器、 符号 1 7は冷気循環ファン、 符号 1 8は圧縮機、 符号 1 9は排気ポンプ、 符号 2 0は排気ダク ト、 符号 2 1 a、 2 1 bは 棚受け、符号 2 2 a、 2 2 bは棚板、符号 2 3 a、 2 3 bはパッキング、 符号 2 4 a、 2 4 bは真空解除ハンドル、符号 2 5 a、 2 5 bは容器扉、 符号 2 6 a、 2 6 bは開閉装置である。 簡便のために、 第 1図と同一の 機能の要素には同一の符号を振るようにした。 By the way, the closed container 11 evacuated cannot be easily opened by the atmospheric pressure. In order to solve this, in the present embodiment, a vacuum release handle 24 is provided, and when opening the door 14, the handle 24 is operated so that the vacuum is released first. To The vacuum release handle 24 is not particularly limited in form and shape as long as the vent is opened by operating the handle and the vent is closed by returning the handle. In addition, when exhausting and cooling the airtight container 11, if there is no air in the container, there is a problem that convection is not performed and cooling is not performed efficiently. On the other hand, if the air in the container is cooled and then exhausted, the cooling of the heat capacity of the exhausted air becomes useless. Due to this balance, convection is promoted at relatively high temperatures, and exhaust is performed after the temperature has dropped to a predetermined level. It is efficient. For this reason, in the present invention, a means for detecting the temperature of the sealed container 11 is provided, and exhaust is performed after the temperature reaches a predetermined temperature. Alternatively, it can be devised so that the vacuum is not completely maintained even after evacuation. FIG. 2 is a cross-sectional view of another embodiment of the commercial refrigeration / freezer 10 of the present invention. In FIG. 2, reference numerals 11a and 11b are sealed containers, reference numeral 12 is a housing, reference numeral 13 is a heat insulating material, reference numeral 14 is a door, reference numeral 15 is an operation panel, and reference numeral 16 is a reference numeral. Heat exchanger, reference numeral 17 is a cool air circulation fan, reference numeral 18 is a compressor, reference numeral 19 is an exhaust pump, reference numeral 20 is an exhaust duct, reference numerals 21a and 21b are shelf supports, reference numeral 22a. , 2 2b is a shelf board, sign 23 a, 23 b is packing, sign 24 a, 24 b is a vacuum release handle, sign 25 a, 25 b is a container door, sign 26 a, 2 6b is a switchgear. For the sake of simplicity, the same reference numerals are assigned to elements having the same functions as those in FIG.
本実施の形態が第 1図に示すものと異なる点は、 庫内に複数の密封容 器 1 1 a、 1 1 bが設けられている点である。 これらの密封容器 1 1 a、 l i はそれぞれ独立に排気ダク ト 2 0に接続されており、 密封容器 1 l a、 1 1 bと排気ダク ト 2 0との間には開閉装置 2 6 a、 2 6 bが設 けられている。 密封容器 1 1 a、 1 1 bはそれぞれに容器扉 2 5 a、 2 5 bが設けられ、 独立に開閉できる構成になっている。 容器扉 2 5 a、 2 5 bにはそれぞれ真空解除ハンドル 2 4 a、 2 4 bが設けられていて、 密閉容器 1 1 a、 1 1 bの真空をそれぞれべつべつに解除することがで きる。  The difference of this embodiment from that shown in FIG. 1 is that a plurality of sealed containers 11a and 11b are provided in the refrigerator. These sealed containers 11a and li are independently connected to the exhaust duct 20, and a switchgear 26a, 2 is provided between the sealed containers 1 la and 11b and the exhaust duct 20. 6 b is provided. The sealed containers 11a and 11b are provided with container doors 25a and 25b, respectively, so that they can be opened and closed independently. The container doors 25a and 25b are provided with vacuum release handles 24a and 24b, respectively, so that the vacuum of the closed containers 11a and 11b can be released individually.
食品を冷蔵保存する際には、 食品をこれらの密封容器 1 1 a、 l i b 内に収納して、 容器扉 2 5 a、 2 5 bを閉じておき、 扉 1 4に設けられ た操作盤 1 5から排気する密封容器 1 1 a、 1 1 bを指定して排気を指 示する。 これにより、 排気ポンプ 1 9が排気動作を開始するとともに、 排気ダク ト 2 0と指示された密封容器 1 1 aまたは 1 1 bとをつなぐ 開閉装置 2 6 aまたは 2 6 bが開かれ、 指示された密封容器 1 1 aまた は l i bが排気される。 このような構成により、 より容量の小さい密封 容器 1 1をそれぞれ独立に制御して、 食料品を真空、 冷蔵保存すること ができる。 When refrigerated preserving food, store the food in these sealed containers 11a and lib, close the container doors 25a and 25b, and install the operation panel 1 Specify the sealed container 1 1a, 1 1b to be evacuated from 5 and indicate the evacuation. As a result, the exhaust pump 19 starts the exhaust operation, and the opening / closing device 26 a or 26 b that connects the exhaust duct 20 to the indicated sealed container 11 a or 11 b is opened, and the instruction is issued. The sealed container 1 1a or lib is evacuated. With such a configuration, food containers can be stored under vacuum and refrigerated by independently controlling smaller sealed containers 11 Can do.
これらの密封容器 1 1にも、 内部にバイオセラミック素子を設けるこ とで、 マイナスイオンの効果で食品の鮮度をより長く維持することがで きる。  By providing a bioceramic element inside these sealed containers 11 as well, the freshness of the food can be maintained longer due to the effect of negative ions.
第 3図に、 本発明の業務用冷蔵 ·冷凍庫 1 0の他の実施の形態の断面 図を示す。 第 3図において、 符号 1 2は筐体外被、 符号 1 3は断熱材、 符号 1 4は扉、 符号 1 6は熱交換器、 符号 1 7は冷気循環ファン、 符号 1 8は圧縮機、 符号 1 9は排気ポンプ、 符号 2 0は排気ダク ト、 符号 2 3はパッキング、 符号 2 4は真空解除ハンドル、 符号 2 7は密封室であ る。 簡便のために、 第 1図、 第 2図と同一の機能の要素には同一の符号 を振るようにした。  FIG. 3 shows a sectional view of another embodiment of the commercial refrigeration / freezer 10 of the present invention. In FIG. 3, reference numeral 12 denotes a housing, reference numeral 13 denotes a heat insulating material, reference numeral 14 denotes a door, reference numeral 16 denotes a heat exchanger, reference numeral 17 denotes a cool air circulation fan, reference numeral 18 denotes a compressor, and reference numeral. Reference numeral 19 denotes an exhaust pump, reference numeral 20 denotes an exhaust duct, reference numeral 23 denotes packing, reference numeral 24 denotes a vacuum release handle, and reference numeral 27 denotes a sealed chamber. For the sake of simplicity, elements having the same functions as those in FIGS. 1 and 2 are given the same reference numerals.
本実施の形態が第 1図、 第 2図に示すものと異なる点は、 貯蔵庫が密 封室 2 7になっている点である。 密封室 2 7は扉 1 4で封止される構成 になっていて、 扉 1 4には真空解除ハンドル 2 4が設けられている。 扉 1 4の密封室 2 7側周辺と密封室 2 7の扉が当たる側にはパッキング 2 3が設けられて空気の漏れを防いでいる。  This embodiment is different from those shown in FIGS. 1 and 2 in that the storage is a sealed room 27. The sealed chamber 27 is configured to be sealed by a door 14, and the door 14 is provided with a vacuum release handle 24. Packing 23 is provided around the sealed room 27 side of the door 14 and the side where the door of the sealed room 27 is in contact to prevent air leakage.
食品を冷蔵保存する際には、 食品をこれらの密封室 2 7に収納して、 扉 1 4を閉じると、 自動的に排気ポンプ 1 9が排気動作を開始して、 密 封室 2 7が排気される。 または、 このとき、 貯蔵庫の密封室 2 7の庫内 温度が所定の温度まで下がってから、 排気を開始するようにすることも できる。 これにより、 内部の温度が比較的高い段階では、 内部の空気の 対流を用いて冷却することができ、 冷却効果を高めることができる。 さ らに、 熱交換器 1 6を密封室 2 7内に複数設けるようにして排気後も冷 却効果を維持できるようにすることもできる。 このような構成により、 より容量の小さい簡易型の業務用冷蔵 ·冷凍庫 1 0を実現し、 食品を真 空、 冷蔵保存することができる。 なお、 排気ポンプ 1 9は筐体の外に設 けて外付けとしても差し支えない。 なお、 この密封室 2 7にも、 前述の 例と同様に内部にパイォセラミック素子を設けることで、 マイナスィォ ンの効果で食品の鮮度をより長く維持することができる。 以上の説明では、 本発明の業務用冷蔵 ·冷凍庫について説明したが、 同様な密封、 排気の構成を、 冷凍倉庫に収納される貯蔵用コンテナや冷 凍倉庫の冷凍室にも適用することができる。 すなわち、 貯蔵用コンテナ では、 第 2図に示した密封容器と同様な構造で、 コンテナごとに排気装 置を設けたもので実現でき、 冷凍倉庫の冷凍室は第 3図の業務用冷蔵庫 と同様の構成で大型にすることで実現できる。 これらの貯蔵用コンテナ や冷凍室の内部にもバイオセラミック素子を設けることで、 マイナスィ オンの効果で食品の鮮度をより長く維持することができるのは言うま でもない。 また、 冷凍室の内部に人間や犬猫などの生物が取り残される ことがないように、 体温などで生物の存在を検出する感温センサを設け、 感温センサが温度を検出した場合には冷蔵機能、 真空化機能を停止する ようにすることもできる。 When refrigerated food is stored, the food is stored in these sealed chambers 27, and when the door 14 is closed, the evacuation pump 19 automatically starts the evacuation operation, and the hermetically sealed chamber 27 is opened. Exhausted. Alternatively, at this time, the evacuation may be started after the internal temperature of the sealed chamber 27 of the storage has dropped to a predetermined temperature. Thus, at a stage where the internal temperature is relatively high, cooling can be performed using convection of the internal air, and the cooling effect can be enhanced. Further, a plurality of heat exchangers 16 may be provided in the sealed chamber 27 so that the cooling effect can be maintained even after the exhaust. With such a configuration, a simpler commercial refrigeration / freezer 10 having a smaller capacity can be realized, and the food can be evacuated and refrigerated. It should be noted that the exhaust pump 19 may be provided outside the housing and externally attached. It should be noted that, by providing a Pyroceramic element inside the sealed chamber 27 as in the above-described example, the freshness of the food can be maintained longer by the minus ion effect. In the above description, the commercial refrigeration / freezer of the present invention has been described. However, a similar sealing and exhaust configuration can be applied to a storage container stored in a freezing warehouse or a freezing room of a freezing warehouse. . In other words, the storage container can be realized by using the same structure as the sealed container shown in Fig. 2 and providing an exhaust device for each container, and the freezing room of the freezing warehouse is the same as the commercial refrigerator in Fig. 3. This can be realized by increasing the size of the configuration. It goes without saying that by installing bioceramic elements inside these storage containers and freezer compartments, the freshness of food can be maintained longer due to the negative effect. In order to prevent humans, dogs and cats from being left behind inside the freezer compartment, a temperature sensor that detects the presence of living things based on body temperature etc. will be installed and refrigerated if the temperature sensor detects temperature. Function and vacuuming function can be stopped.
第 4図は、 本発明の家庭用冷蔵庫 1 0の一実施の形態の構成を表す断 面図を示す。 第 4図において、 符号 1 1— 1〜 1 1一 5は本発明の密閉 容器、 符号 1 2は筐体外被、 符号 1 3は断熱材、 符号 1 4は扉で、 符号 1 4 - 1は冷蔵室の扉、 符号 1 4一 2は野菜貯蔵室の扉、 符号 1 4— 3 および符号 1 4一 4は冷凍室の扉である。 さらに、 符号 1 6— 1は冷蔵 室の熱交換器、 符号 1 6— 2は冷凍室の熱交換器、 符号 1 7— 1は冷蔵 室の冷気循環ファン、 符号 1 7— 2は冷凍室の冷気循環ファン、 符号 1 8は圧縮機、 符号 1 9は排気ポンプ、 符号 2 0は排気ダク ト、 符号 2 8 は開閉装置、 符号 2 9は庫内照明ランプ、 符号 3 0は冷蔵室、 符号 3 1 は野菜貯蔵室、 符号 3 2は冷凍室 A、 符号 3 3は冷凍室 Bである。 簡便 のために、 第 1図、 第 2図、 第 3図と同一の機能の要素には同一の符号 を振るようにした。  FIG. 4 is a sectional view showing a configuration of a home refrigerator 10 according to an embodiment of the present invention. In FIG. 4, reference numerals 1 1-1 to 1 1-1 5 indicate a closed container of the present invention, reference numeral 12 indicates a housing, reference numeral 13 indicates a heat insulator, reference numeral 14 indicates a door, and reference numeral 14-1 indicates Refrigerator compartment doors, 14-2, 14 are vegetable storage compartment doors, 14-3, and 14-14, freezer compartment doors. Further, reference numeral 16-1 is a heat exchanger of a refrigerator, reference numeral 16-2 is a heat exchanger of a refrigerator, reference numeral 17-1 is a cooling air circulation fan of a refrigerator, and reference numeral 17-2 is a refrigerator. Cooling air circulation fan, code 18 is a compressor, code 19 is an exhaust pump, code 20 is an exhaust duct, code 28 is a switchgear, code 29 is an interior lighting lamp, code 30 is a refrigerator compartment, code 31 is a vegetable storage room, reference numeral 32 is a freezer room A, and reference numeral 33 is a freezer room B. For the sake of simplicity, the same reference numerals are given to the elements having the same functions as those in FIGS. 1, 2, and 3.
第 4図に沿って、 本発明の家庭用冷蔵庫 1 0の動作を説明する。 圧縮 機 1 8は図示しないモータによって駆動される。 圧縮機 1 8が動作する と、 冷蔵室熱交換器 1 6— 1およぴ冷凍室熱交換器 1 6— 2で蒸発した 低温低圧の冷媒の蒸気が圧縮機 1 8に吸入されて圧縮され、 常温よりも かなり高い高温になる。 この蒸気を、 冷蔵庫 1 0の外側にある図示しな い凝縮器に通して熱を放出させる。 すると、 蒸気は凝縮器を通過するう ちに液化される。 この液化された冷媒を図示しない毛細管 （キヤビラリ チューブ） を通して冷蔵室熱交換器 1 6— 1および冷凍室熱交換器 1 6 一 2に向かわせる。 このとき毛細管の流動抵抗によって冷媒は圧力が下 がり、 膨張して気化し、 冷蔵庫 1 0内の冷蔵室熱交換器 1 6— 1および 冷凍室熱交換器 1 6 _ 2で自らの熱を奪う とともに周囲からも熱を奪 つて低温になり、 庫内の温度を下げる。 ここまでは通常の冷蔵庫の働き と同様である。 The operation of the household refrigerator 10 of the present invention will be described with reference to FIG. The compressor 18 is driven by a motor (not shown). When the compressor 18 operates, the low-temperature and low-pressure refrigerant vapor evaporated in the refrigerator compartment heat exchanger 16-1 and the freezer compartment heat exchanger 16-2 is sucked into the compressor 18 and compressed. However, the temperature becomes much higher than normal temperature. This steam is not shown on the outside of the refrigerator 10 Heat is released through a cool condenser. The vapor is then liquefied as it passes through the condenser. The liquefied refrigerant is passed through a capillary tube (capillary tube) (not shown) to the refrigerator compartment heat exchanger 16-1 and the freezer compartment heat exchanger 16-12. At this time, the refrigerant drops in pressure due to the flow resistance of the capillary, expands and evaporates, and takes its own heat in the refrigerator heat exchanger 16-1 and the freezer heat exchanger 16_2 in the refrigerator 10. At the same time, heat is also taken from the surroundings to lower the temperature, lowering the temperature inside the refrigerator. Up to this point, the operation is the same as that of a normal refrigerator.
庫内の冷蔵室 3 0、 野菜貯蔵室 3 1、 冷凍室 A 3 2および冷凍室 B 3 3には、 密閉容器 1 1一 1〜 1 1一 5が取り付け、 取り外しが可能に設 けられている。 この密閉容器 1 1一 1〜 1 1 _ 5は、 それぞれ独立に排 気ダク ト 2 0に接続されており、 密閉容器 1 1一 1〜 1 1一 5と排気ダ タ ト 2 0の間には開閉装置 2 8が設けられている。 この開閉装置 2 8が 開いたときには、 排気ポンプ 1 9の働きによって容器内の空気が排気さ れて、 密閉容器 1 1一 1〜 1 1一 5内は減圧され、 大気圧以下の真空状 態になる。  The refrigerator compartment 30, vegetable storage compartment 31, freezer compartment A 32, and freezer compartment B 33 in the refrigerator have airtight containers 1 1 1 1 to 1 1 1 1 5 attached and detachable. I have. The closed containers 1 1 1 1 to 1 1 1 to 5 are independently connected to the exhaust duct 20, and are connected between the closed containers 1 1 1 1 to 1 1 1 5 and the exhaust data 20. Is provided with a switchgear 28. When the opening / closing device 28 is opened, the air in the container is exhausted by the operation of the exhaust pump 19, and the pressure in the closed container 1 1 1 1 to 1 1 1 5 is reduced to a vacuum state lower than the atmospheric pressure. become.
食品を冷蔵保存する場合には、 食品をこの密閉容器 1 1 _ 1〜 1 1一 5内に収納して蓋を閉めて置き、 密閉容器 1 1— 1〜 1 1一 5内の温度 がある程度下がった後で、 密閉容器 1 1一 1〜 1 1— 5の排気を行わせ る。 密閉容器 1 1 _ 1〜 1 1一 5内の温度を冷やす場合、 温度が比較的 高い段階では、 内部の空気の対流を用いて冷却するのが効果的である。 したがって、 この段階では密閉容器 1 1— 1〜 1 1一 5内の空気の排気 を行わず、 密閉容器 1 1 _ 1〜 1 1 _ 5内の温度を監視して空気の温度 がある程度下がった段階で排気するようにする。 あるいは、 密閉容器 1 1一 1〜 1 1一 5の蓋を閉じ、 排気を指示してから所定の時間を置いて 排気するようにする。  If food is to be stored refrigerated, store the food in this sealed container 1 1 _ 1 to 1 1 1 5 and close the lid. After lowering, evacuate the sealed container 1 1 1 1 to 1 1-5. When cooling the temperature inside the closed vessel 11_1-1 to 11-5, it is effective to use the convection of the air at the stage where the temperature is relatively high. Therefore, at this stage, the air in the closed vessel 11-1 to 11-5 was not exhausted, and the temperature in the closed vessel 11_1 to 11-5 was monitored to reduce the temperature of the air to some extent. Evacuate in stages. Alternatively, close the lid of the sealed container 1 1 1 1 to 1 1 1 5 and instruct the evacuation to wait for a predetermined time before evacuation.
このようにして真空化された密閉容器 1 1一 1〜 1 1— 5内に食品を 保存して冷蔵すると、 食品の酸化が妨げられるので、 鮮度を長期間維持 することができるとともに、 食品の変色を防ぐことができる。 また、 野 菜貯蔵室 3 1の密閉容器 1 1一 3に葉菜類を保存する場合には、 葉と葉 との間の空気が排気されるためと、 葉の表面に付着する水分が気化しや すく気化する際に熱を奪うため、 野菜が内部まで早く冷えやすく鮮度が 落ち難い。また、冷凍室 A 3 2および冷凍室 B 3 3の密閉容器 1 1一 4、 1 1一 5で製氷した氷の塊や冷凍品を保存する場合では、 氷塊や冷凍品 同士が空気中の湿気によって相互にくっついてしまうことを防止する ことができ、 扱いやすくなる。 If the food is stored and refrigerated in the vacuum container 11 1 1 1 to 1 1-5 which has been evacuated in this way, the oxidation of the food will be hindered. Discoloration can be prevented. Also the field When storing leafy vegetables in the closed container 1 1 1 3 of the vegetable storage room 3 1, the air between the leaves is exhausted, and the moisture adhering to the leaf surface evaporates easily and easily At that time, the heat is removed, and the vegetables quickly cool down to the inside, making it difficult for freshness to drop. In addition, when storing ice blocks and frozen products made in the sealed containers 1 1 1 4 and 1 1 1 5 of the freezer compartment A 32 and the freezer compartment B 33, the ice This prevents them from sticking together and makes them easier to handle.
なお、 この密閉容器 1 1ー 1〜1 1一 5にも、 前述の例と同様に内部 にバイオセラミック素子を設けることで、 マイナスイオンの効果で食品 の鮮度をより長く維持することができる。  By providing a bioceramic element inside the closed containers 11-1 to 11-15 as in the above-described example, the freshness of the food can be maintained longer due to the effect of negative ions.
開閉装置 2 8の開閉は、 例えば、 冷歳庫本体 1 0の表面に設けられた 図示しないパネルスィッチで行うことができる。 この場合、 開閉装置 2 8は、 排気ダク ト 2 0の該当する接続端に密閉容器 1 1一 1〜 1 1— 5 が接続されていることを認識した時のみ開き、 接続されていない場合は 開かないようにすることで、 排気ポンプ 1 9が無駄な排気動作をするこ とを防止できる。  The opening and closing of the opening and closing device 28 can be performed by, for example, a panel switch (not shown) provided on the surface of the cold storage box main body 10. In this case, the switchgear 28 opens only when it recognizes that the sealed container 111 is connected to the corresponding connection end of the exhaust duct 20. By not opening it, it is possible to prevent the exhaust pump 19 from performing an unnecessary exhaust operation.
なお、 一旦排気した密閉容器 1 1一 1〜 1 1一 5は、 大気圧によって 容易に開くことができないので、 密閉容器 1 1— 1〜 1 1一 5ごとに真 空を解除する図示しないハンドルを設けておき、 排気した密閉容器 1 1 一 1〜1 1— 5を開く場合は、 容器を開く前にこれを用いて真空を解除 した後に開くようにする。  Note that once evacuated closed containers 1 1 1 1 to 1 1 1 5 cannot be easily opened due to atmospheric pressure, so a handle (not shown) that releases vacuum for each closed container 1 1 1 1 to 1 1 1 5 When opening the evacuated sealed container 1 1 1 1 to 1 1-5, use this before opening the container, release the vacuum, and then open it.
ところで、 冷蔵庫 1 0には圧縮機 1 8を動作させるためにモータが必 要である。 この圧縮機用のモータは、 絶えず動作をしているのではなく 庫内を冷却する必要があるときにのみ間歇的に動作する。 したがって、 排気ポンプ 1 9を駆動させるためのモータとしてこの圧縮機用のモー タを兼用させることが可能であり、 これにより、 その分、 装置を廉価、 小型に製造することができる。  By the way, the refrigerator 10 requires a motor to operate the compressor 18. The compressor motor operates intermittently only when it is necessary to cool the inside of the refrigerator, not constantly. Therefore, it is possible to use the motor for the compressor as a motor for driving the exhaust pump 19, thereby making it possible to manufacture the apparatus at a lower cost and a smaller size.
以上の説明では、 密閉容器 1 1— 1〜： L 1— 5を排気ダク ト 2 0に接 続して共通の排気ポンプ 1 9で排気を行うように説明した。 しかし、 密 閉容器 1 1一 1〜 1 1— 5ごとに簡易な排気手段を設けて密閉容器 1 1 - 1 - 1 1 - 5を真空にすることも可能である。 第 5図に、 このよう な構成の本発明の家庭用冷蔵庫 1 0の他の実施の形態の断面図を示す。 第 5図において、 第 4図と同一の構成要素、 同様の機能を有する構成 要素については、 簡便のため同じ符号をつけて示した。 In the above description, it has been described that the closed containers 11-1 to L1-5 are connected to the exhaust duct 20 and exhaust is performed by the common exhaust pump 19. But dense It is also possible to provide a simple exhaust means for each of the closed containers 1 1 1 to 1 1 to 5 to evacuate the closed container 1 1-1-1 1-5. FIG. 5 shows a sectional view of another embodiment of the household refrigerator 10 of the present invention having such a configuration. In FIG. 5, the same components as those in FIG. 4 and components having the same functions are denoted by the same reference numerals for simplicity.
本実施の形態が第 4図のそれと異なるところは、 各密閉容器 1 1一 1 〜 1 1一 5にはそれぞれ排気装置 3 5—：！〜 3 5— 5が設けられてい る点である。 排気装置 3 5—：！〜 35— 5は小型の排気ポンプやブロア 一などから構成される。 排気装置 35— 1〜3 5— 5の電源は、 たとえ ば、 庫内に設けられたコネクタから取るようにし、 排気装置 3 5— 1〜 3 5 - 5のオンオフは排気装置 3 5— 1〜3 5— 5の蓋部に設けられ たスィツチで行うことができる。  The difference of this embodiment from that of FIG. 4 is that each of the closed containers 1 1 1 1 to 1 1 1 1 5 has an exhaust device 3 5 —! 3-5-5 are provided. Exhaust system 3 5— :! 35 to 5 are composed of small exhaust pumps and blowers. For example, the power supply of the exhaust system 35—1 to 35-5—is taken from the connector provided in the refrigerator, and the exhaust system 35—1 to 35-5 is turned on and off by the exhaust system 35—1— It can be performed with a switch provided on the cover of 3-5-5.
本実施の形態においても、 密閉容器 1 1一 1〜 1 1一 5内の空気の排 気は、 密閉容器 1 1一 1〜1 1一 5内の空気の温度がある程度下がった 段階で、 あるいは、 密閉容器 1 1— 1〜 1 1一 5の蓋を閉じ、 排気を指 示してから所定の時間を置いてから行うようにする。 また、 この場合も 前述の例と同様に密閉容器 1 1一 1〜 1 1— 5に内部にバイオセラミ ック素子を設けることで、 マイナスイオンの効果で食品の鮮度をより長 く維持することができる。  Also in the present embodiment, the exhaust of the air in the closed container 1 1 1 1 to 1 1 1 5 is performed when the temperature of the air in the closed container 1 1 1 1 to 1 1 Close the lid of the sealed container 11-1 to 1-111, and wait for a predetermined time after instructing the evacuation. Also, in this case, as in the above-mentioned example, by providing a bioceramic element inside the sealed container 11-1 to 11-5, the freshness of the food can be maintained longer due to the effect of negative ions. Can be.
以上、本発明の家庭用冷蔵 '冷凍庫を実施の形態に沿って説明したが、 本発明は本発明の趣旨を逸脱しない限り、 さまざまな対応が考えられる。 たとえば、 第 4図おょぴ第 5図の実施の形態では、 熱交換器が冷凍室と 冷蔵室にそれぞれ設けられているものとして示したが、 熱交換器が 1つ で、 冷気の循環位置によって冷凍室と冷蔵室を分ける形式の冷蔵庫であ つても差し支えないことは言うまでもない。 また、 密封容器の大きさや 形状、 排気ダク トゃ排気装置の取り付け位置等はここでは詳しく述べな いがいろいろの変形が考えられる。  As described above, the home refrigerator / freezer according to the present invention has been described in accordance with the embodiments. However, various measures can be considered for the present invention without departing from the spirit of the present invention. For example, in the embodiment of FIG. 4 and FIG. 5, the heat exchangers are shown as being provided in the freezer compartment and the refrigerator compartment, respectively. It goes without saying that it is possible to use a refrigerator that separates the freezer compartment from the refrigerator compartment. The size and shape of the sealed container, the position of the exhaust duct and the position of the exhaust device are not described in detail here, but various deformations can be considered.

Claims

請求の範囲 The scope of the claims
1 . 1ないし複数の貯蔵室と、 この貯蔵室を冷却する冷却手段とを有 する冷蔵庫 ·冷凍庫において、 1. In a refrigerator / freezer having one or more storage rooms and cooling means for cooling the storage rooms,
前記貯蔵室内に設けられ冷蔵 ·冷凍する食品を収納する密閉容器と、 この密閉容器の排気を個別に行なう排気手段と、  An airtight container provided in the storage chamber for storing food to be refrigerated / frozen, and exhaust means for individually exhausting the airtight container,
この排気手段をオンオフするスィツチ手段と  Switch means for turning on and off the exhaust means;
を具備することを特徴とする冷蔵庫 ·冷凍庫。 A refrigerator / freezer characterized by comprising:
2 . 前記密封容器に前記排気手段による排気後の真空状態を解除する 真空解除手段を設けたことを特徴とする請求項 1に記載の冷蔵庫 ·冷凍 庫。  2. The refrigerator / freezer according to claim 1, wherein a vacuum releasing means for releasing a vacuum state after the exhaust by the exhaust means is provided in the sealed container.
3 . 前記密封容器に容器扉部の開閉を検出する開閉検出手段を設けた ことを特徴とする請求項 1または請求項 2に記載の冷蔵庫 ·冷凍庫。 3. The refrigerator / freezer according to claim 1 or 2, wherein an opening / closing detecting means for detecting opening / closing of the container door is provided in the sealed container.
4 . 前記密閉容器内の温度を検出する温度検出手段を有し、 前記排気 手段は、 この温度検出手段が前記密閉容器内の温度が所定の値まで低下 したのを検出した後で排気を行うことを特徴とする請求項 1ないし請 求項 3のいずれかに記載の冷蔵庫 ·冷凍庫。 4. It has a temperature detecting means for detecting the temperature in the closed container, and the exhaust means exhausts after the temperature detecting means detects that the temperature in the closed container has decreased to a predetermined value. The refrigerator / freezer according to any one of claims 1 to 3, wherein:
5 . 前記密封容器の内部にマイナスイオンを発生する生体活性を有す るパイォセラミック素子を設けたことを特徴とする請求項 1ないし請 求項 4のいずれかに記載の冷蔵庫 ·冷凍庫。  5. The refrigerator or freezer according to any one of claims 1 to 4, wherein a bioactive pyroelectric element that generates negative ions is provided inside the sealed container.
6 . 複数の貯蔵室と、 この貯蔵室を冷却する冷却手段とを有する冷蔵 庫 ·冷凍庫において、  6. In a refrigerator / freezer having a plurality of storage rooms and cooling means for cooling the storage rooms,
前記貯蔵室内に設けられ冷蔵 ·冷凍する食品を収納する密閉容器と、 前記貯蔵室に設けられた接続端を有し、 この接続端によって前記密閉 容器と接続可能な排気ダク トと、  An airtight container provided in the storage chamber for storing food to be refrigerated and frozen, an exhaust duct having a connection end provided in the storage chamber, and being connectable to the airtight container by the connection end;
前記排気ダク ト内の排気を行うことで、 前記接続端を介して前記排気 ダク トに接続された前記密閉容器の排気を行う共通排気手段と、  A common exhaust unit that exhausts the exhaust duct, thereby exhausting the closed container connected to the exhaust duct through the connection end;
前記密閉容器と前記排気ダク トとの接続を開閉する開閉手段と を具備することを特徴とする冷蔵庫 ·冷凍庫。 A refrigerator / freezer comprising: an opening / closing means for opening / closing a connection between the sealed container and the exhaust duct.
7 . 前記開閉手段は前記密閉容器が前記排気ダク トの前記接続端に接 続されていない場合は、 前記密閉容器と前記排気ダク トとの接続を開か ないことを特徴とする請求項 6に記載の冷蔵庫。 7. The method according to claim 6, wherein the opening / closing means does not open a connection between the closed container and the exhaust duct when the closed container is not connected to the connection end of the exhaust duct. The refrigerator as described.
8 . 前記密閉容器内の温度を検出する温度検出手段を有し、 前記開閉 手段は、 この温度検出手段が前記密閉容器内の温度が所定の値まで低下 したのを検出した後、 前記密閉容器と前記排気ダク トとの接続を開くこ とを特徴とする請求項 6または請求項 7に記載の冷蔵庫。  8. There is provided a temperature detecting means for detecting a temperature in the closed container, and the opening / closing means, after the temperature detecting means detects that the temperature in the closed container has decreased to a predetermined value, 8. The refrigerator according to claim 6, wherein a connection between the exhaust duct and the exhaust duct is opened.
9 . 前記密封容器に前記排気手段による排気後の真空状態を解除する 真空解除手段を設けたことを特徴とする請求項 6ないし請求項 8のい ずれかに記載の冷蔵庫 ·冷凍庫。  9. The refrigerator / freezer according to any one of claims 6 to 8, wherein a vacuum releasing means for releasing a vacuum state after the evacuation by the evacuation means is provided in the sealed container.
1 0 . 前記密封容器の内部にマイナスイオンを発生する生体活性を有 するバイオセラミック素子を設けたことを特徴とする請求項 6ないし 請求項 9のいずれかに記載の冷蔵庫 ·冷凍庫。  10. The refrigerator / freezer according to any one of claims 6 to 9, wherein a bioceramic element having bioactivity for generating negative ions is provided inside the sealed container.
1 1 . 1ないし複数の貯蔵室と、 この貯蔵室を冷却する冷却手段とを 有する冷蔵庫 ·冷凍庫において、  1 1.1 A refrigerator / freezer having one or more storage rooms and cooling means for cooling the storage rooms,
前記貯蔵室が密封構造に形成され、 この密閉構造の貯蔵室の排気を行 なう排気手段を具備することを特徴とする冷蔵庫 ·冷凍庫。  A refrigerator / freezer, wherein the storage chamber is formed in a sealed structure, and provided with exhaust means for exhausting the storage chamber having the sealed structure.
1 2 . 前記貯蔵室に前記排気手段による排気後の真空状態を解除する 真空解除手段を設けたことを特徴とする請求項 1 1に記載の冷蔵庫 ·冷 凍庫。  12. The refrigerator / freezer according to claim 11, wherein a vacuum releasing means for releasing a vacuum state after the exhaust by the exhaust means is provided in the storage chamber.
1 3 . 前記排気手段は前記貯蔵室内の温度が所定の温度まで低下する のを待って排気動作を行うことを特徴とする請求項 1 1または請求項 1 2に記載の冷蔵庫 ·冷凍庫。  13. The refrigerator / freezer according to claim 11 or 12, wherein the exhaust means performs an exhaust operation after the temperature in the storage chamber decreases to a predetermined temperature.
1 4 . 前記貯蔵室に貯蔵室扉の開閉を検出する開閉検出手段を設けた ことを特徴とする請求項 1 1ないし請求項 1 3のいずれかに記載の冷 蔵庫 ·冷凍庫。  14. The refrigerator / freezer according to any one of claims 11 to 13, wherein an opening / closing detecting means for detecting opening / closing of a storage room door is provided in the storage room.
1 5 . 前記冷却手段は前記貯蔵室内に複数の熱交換器を有することを 特徴とする請求項 1 1ないし請求項 1 4のいずれかに記載の冷蔵庫 ·冷 凍庫。 15. The refrigerator / freezer according to any one of claims 11 to 14, wherein the cooling means includes a plurality of heat exchangers in the storage chamber.
1 6 . 前記貯蔵室の内部にマイナスイオンを発生する生体活性を有す るバイオセラミック素子を設けたことを特徴とする請求項 1 1ないし 請求項 1 5のいずれかに記載の冷蔵庫 ·冷凍庫。 16. The refrigerator / freezer according to any one of claims 11 to 15, wherein a bioceramic element having bioactivity for generating negative ions is provided inside the storage chamber.
1 7 . 冷蔵 .冷凍倉庫内で貯蔵品の収納に用いられる貯蔵用コンテナ において、  1 7. Refrigerated. A storage container used to store items in a freezer warehouse.
前記貯蔵用コンテナを密閉する密閉手段と、  Sealing means for sealing the storage container,
前記貯蔵用コンテナの排気を個別に行なう排気手段と、  Exhaust means for individually exhausting the storage container,
この排気手段をオンオフするスィツチ手段と  Switch means for turning on and off the exhaust means;
を具備することを特徴とする貯蔵用コンテナ。 A storage container comprising:
1 8 . 前記貯蔵用コンテナに前記排気手段による排気後の真空状態を 解除する真空解除手段を設けたことを特徴とする請求項 1 7に記載の 貯蔵用コンテナ。  18. The storage container according to claim 17, wherein the storage container is provided with vacuum release means for releasing a vacuum state after the exhaust by the exhaust means.
1 9 . 前記貯蔵用コンテナの内部にマイナスイオンを発生する生体活 性を有するバイオセラミック素子を設けたことを特徴とする請求項 1 7または請求項 1 8に記載の冷蔵庫 ·冷凍庫。  19. The refrigerator or freezer according to claim 17 or 18, wherein a bioceramic element having bioactivity for generating negative ions is provided inside the storage container.
2 0 . 倉庫内に貯蔵品を冷凍保存可能な冷凍室を有する冷凍倉庫にお いて、  20. In a freezer warehouse that has a freezer compartment that can store stored products in a freezer,
前記冷凍室を密閉する密閉手段と、  Sealing means for sealing the freezer,
前記冷凍室の排気を個別に行なう排気手段と、  Exhaust means for individually exhausting the freezer,
この排気手段をオンオフするスィツチ手段と  Switch means for turning on and off the exhaust means;
を具備することを特徴とする冷凍倉庫。 A freezing warehouse characterized by comprising:
2 1 . 前記冷凍室に前記排気手段による排気後の真空状態を解除する 真空解除手段を設けたことを特徴とする請求項 2 0に記載の冷凍倉庫。  21. The freezing warehouse according to claim 20, wherein a vacuum releasing means for releasing a vacuum state after the evacuation by the evacuation means is provided in the freezing chamber.
2 2 . 前記冷凍室の内部にマイナスイオンを発生する生体活性なバイ ォセラミック素子を設けたことを特徴とする請求項 2 0または請求項 2 1に記載の冷凍倉庫。 22. The freezing warehouse according to claim 20 or 21, wherein a bioactive bioceramic element that generates negative ions is provided inside the freezing compartment.
2 3 . 前記冷凍室の内部に温度で人間や生物の存在を検出する感温セ ンサを設けたことを特徴とする請求項 2 0ないし請求項 2 2のいずれ かに記載の冷凍倉庫。  23. The freezing warehouse according to any one of claims 20 to 22, wherein a temperature-sensitive sensor for detecting the presence of a human or a living being at a temperature is provided inside the freezing room.
PCT/JP2004/002470 2004-03-01 2004-03-01 Refrigerator, freezer, storage container and freezing warehouse WO2005083338A1 (en)

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