WO2018107843A1 - 洗衣机 - Google Patents

洗衣机 Download PDF

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Publication number
WO2018107843A1
WO2018107843A1 PCT/CN2017/102650 CN2017102650W WO2018107843A1 WO 2018107843 A1 WO2018107843 A1 WO 2018107843A1 CN 2017102650 W CN2017102650 W CN 2017102650W WO 2018107843 A1 WO2018107843 A1 WO 2018107843A1
Authority
WO
WIPO (PCT)
Prior art keywords
ozone
water
water supply
supply path
ozone generating
Prior art date
Application number
PCT/CN2017/102650
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
野吕胜
鸢幸生
国谷尚子
Original Assignee
青岛海尔洗衣机有限公司
Aqua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 青岛海尔洗衣机有限公司, Aqua株式会社 filed Critical 青岛海尔洗衣机有限公司
Priority to CN201780076760.2A priority Critical patent/CN110073049B/zh
Publication of WO2018107843A1 publication Critical patent/WO2018107843A1/zh

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/10—Preparation of ozone
    • C01B13/11—Preparation of ozone by electric discharge

Definitions

  • the present invention relates to a washing machine which improves washing ability by generating ozone water inside.
  • Patent Document 1 discloses a washing machine that cleans an object to be cleaned.
  • the washing machine includes: a barrel capable of accumulating water for cleaning the object to be cleaned; an electrolyzed water generating device that generates electrolyzed water by electrolyzing water; a drain mechanism for draining water accumulated in the tub; and a tub
  • the washing operation execution unit performs a barrel washing operation in which a predetermined concentration of electrolyzed water generated by the electrolyzed water generating device is accumulated in the tub, and after the time sufficient for sterilization in the tub is passed in this state,
  • the drainage mechanism is operated to drain the electrolyzed water in the tub.
  • Patent Document 2 discloses an electrolyzed water generating and discharging device for discharging electrolyzed water generated by electrolysis toward a body part of an animal or a person for washing or disinfecting.
  • the electrolyzed water production and discharge device includes an electrolysis unit that generates electrolyzed water by electrolyzing the supplied water or an aqueous solution using an electrolysis electrode using at least a diamond electrode as an anode; the nozzle is connected to the electrolysis unit; and the pump is preliminarily defined
  • the flow rate supplies water or an aqueous solution to the electrolysis unit, and the electrolyzed water generated by the electrolysis unit is discharged from the nozzle; and a control unit controls the operation of the electrolysis unit and the pump, and the control unit controls to repeat at a predetermined time interval.
  • the electrolysis unit and the pump start and stop working, and the electrolyzed water is intermittently discharged from the nozzle.
  • Patent Document 1 Japanese Laid-Open Patent Publication No. 2004-73248
  • Patent Document 2 Japanese Laid-Open Patent Publication No. 2012-161762
  • Patent Document 1 there is a problem that the main component of the acidic electrolyzed water generated in the intermediate process is hypochlorous acid and it remains, the problem of producing a drug-resistant bacteria, the problem of requiring generation time, and the high cost. The problem.
  • An object of the present invention is to realize a washing machine which has not been conventionally provided, which solves these problems and does not generate residual substances due to generation of ozone, and can reliably perform sterilization and elimination even if the water used is not clear water and is large in quantity. smelly.
  • the present invention has taken the following measures.
  • the washing machine of the present invention includes: a water supply path for supplying water to the washing tub; and an ozone generating device configured by arranging an ozone electrode in the water supply path, wherein the ozone generating device is configured as follows
  • the first ozone generating unit and the second ozone generating unit arranged in series with the first ozone generating unit are provided, and the water is supplied through the two ozone generating units.
  • the present invention is characterized in that a diameter of a water supply path in which the first ozone generating portion is provided in the water supply path and a diameter of a water supply path in which the second ozone generating portion is provided are smaller than two ozone The diameter of the connecting path connecting the generating sections.
  • the present invention is characterized in that the ozone generating device is disposed in a horizontal portion formed in a part of the water supply path, and the water supply path is bent into a crank shape at both ends of the horizontal portion, and the bending portion can be The ozone electrode is inserted/extracted into the water supply path of each ozone generating unit.
  • the present invention is characterized in that a swirling region for rotating water is provided in a downstream region of the second ozone generating portion.
  • ozone Even if ozone is generated, when chlorine, bacteria, foreign matter, etc. are present in the water quality, ozone will be eliminated. It is decomposed by it, and it does not work on the sterilization and deodorization of the laundry. In particular, when groundwater is used, it may cause odor due to the influence of impurities contained in the raw water.
  • the supplied water passes through the first and second ozone generating units in series and generates ozone by electrolysis of water, so that the introduced water can be initially sterilized by the first ozone generating unit. Purification, and then the ozone concentration is increased by the second ozone generating unit, and the desired concentration and the required amount of ozone water are reliably supplied to the washing tub stably. Further, the concentration of ozone water supplied to the washing tub can be further increased without initial sterilization. Then, no residual substances are generated due to ozone generation.
  • the ozone electrode in which the diameter of the water supply path in which the first and second ozone generating units are provided is smaller than the diameter of the connecting path between the two ozone generating units, the ozone electrode is immersed in water to easily improve the contact efficiency with water. It can efficiently perform ozone generation and cooling of ozone electrodes.
  • the ozone electrode in which the ozone generating device is disposed horizontally and the both ends are cranked to insert and extract the electrode, the ozone electrode can be completely eliminated from the water, and only the deteriorated electrode can be cleaned or replaced. Yes, no special electrodes are needed, so it is easy to maintain the ozone electrode and also contribute to cost reduction.
  • the mixing of the bubbles of the ozone gas and the water can further increase the concentration of the ozone water, ensure the length of the flow path required for mixing, and be compact.
  • the ground constitutes an ozone generating system.
  • Fig. 1 is a view showing a schematic configuration of a washing machine according to an embodiment of the present invention.
  • Figure 2 is a detailed view of the ozone generating device of Figure 1.
  • Fig. 3 is a view showing an ozone electrode constituting the ozone generating device.
  • FIG. 4 is a cross-sectional view showing a corrugated hose constituting a swirling region of the present embodiment.
  • Fig. 5 is a view showing a configuration of a swirling region in a modified example of the present invention.
  • Fig. 6 is a view showing a configuration of an ozone water supply path according to another modification of the present invention.
  • FIG. 7 is a view showing a configuration of an ozone water supply path according to still another modification of the present invention.
  • 1a washing tub; 2: water supply road; 2a: horizontal portion; 2x, 2y: curved portion; 9: ozone generating device; 10: swirling region; 21: water supply path (a portion where the first ozone generating portion is provided); 22: a water supply path (a portion where the second ozone generating unit is provided); 23: a connecting path; 91: a first ozone generating unit; 92: a second ozone generating unit; 102, 302: a water supply path (ozone water supply path); :washing machine.
  • FIG. 1 is a view showing a schematic configuration of a drum type washing machine W.
  • the washing machine W includes a water supply path 2 for supplying water to the washing tub 1a in the drum 1, a hot water supply path 3 for similarly supplying hot water to the drum 1, and a drain passage 4 for the inside of the drum 1.
  • the water is drained; the softener supply path 5 and the detergent supply path 6 are used to supply a softener or a detergent into the drum 1.
  • the supply system that is, the water supply path 2, the hot water supply path 3, the softener supply path 5, and the detergent supply path 6 are connected to the water collection introduction portion 7 provided above the drum 1, and the drainage path 4 is connected to the lower side of the drum 1.
  • an overflow path 8 for draining water exceeding the upper limit of the water level is provided.
  • the washing machine W is configured to appropriately apply a water supply valve 2a, a hot water supply valve 3a, and a drain valve as valves of the respective supply and discharge systems by the control unit C in order to carry out a washing process, a rinsing process, a soft finishing process, a dehydration process, and the like.
  • 4a is opened and closed, or the softener pump 5a and the detergent pump 6a are operated, and water supply, hot water supply, detergent supply, and softener supply are performed, and the rotation of the drum 1 is controlled to carry out each process.
  • Water supply filters 2b and 3b are disposed upstream of the water supply valve 2a and the hot water supply valve 3a, respectively.
  • an ozone generating device 9 for supplying ozone water to the inside of the drum 1 is provided.
  • the ozone generating device 9 is operated by energizing an ozone electrode to be described later.
  • the control unit C turns off the energization in advance during the washing process and the rinsing process, only after the washing process. Set the power to ON during the half-pass soft wash process. This is because even if the energization is turned ON at an early stage, the generated ozone is consumed by the sterilization and deodorization of the laundry at the beginning of the washing, and the effect is poor. Among them, the timing of energization ON can be appropriately set.
  • the ozone generating device 9 is not disposed in the hot water supply path 3 because it is difficult to stably generate ozone when the temperature is high.
  • the first ozone generating unit 91 and the second ozone generating unit 92 are arranged in series to constitute the ozone water generating device 9, and pass through the two ozone generating units 91 and 92. Ozone water is generated.
  • the ozone water supply path 102 as the water supply path of the present invention is constituted by a separate pipe independent of the water supply path 2, and the ozone water generating device 9 is disposed together with the water supply filter 102b and the ozone water supply valve 102a.
  • the outlet of the ozone water generating device 9 is connected to the ozone water supply port X provided below the drum 1, and the ozone water supply valve 102a is controlled by the control unit C, whereby the drum 1 is supplied with ozone water.
  • the ozone electrodes 91a and 92a provided in the respective ozone generating units 91 and 92 are energized, and the water in contact with the surfaces of the ozone electrodes 91a and 92a is decomposed to generate ozone gas, and the ozone gas is dissolved in the water to become Ozone water.
  • the second ozone generating unit 92 can increase the ozone concentration.
  • the required concentration and the required amount of ozone water can be stably supplied to the washing tub 1a, and the concentration of the ozone water supplied to the washing tub can be increased without initial sterilization. Then, no residual substances are generated due to ozone generation.
  • a part of the water supply path 2 is a horizontal portion 2a that is horizontally disposed, and the vertical portions 2b and 2c are connected to both ends of the horizontal portion 2a, and the water supply path 2 is bent into a crank shape.
  • the horizontal portion 2a includes a first electrode insertion water supply path 21 that constitutes the first ozone generating unit 91, a second electrode insertion water supply path 22 that constitutes the second ozone generating unit 92, and two electrode insertion water supply paths 21 and 22.
  • the connection path 23 is connected so that the diameters of the two electrode insertion water supply paths 21 and 22 are smaller than the diameter of the connection path 23.
  • the first and second electrode insertion water supply paths 21 and 22 are preferentially filled with water due to the difference in the diameter of the flow path. Therefore, the ozone electrodes 91a and 92a are easily eliminated from the water, and the ozone and water can be improved. Contact efficiency. Further, even if the ozone electrodes 91a and 92a generate heat during ozone generation, the cooling effect is obtained by immersing in the water, and the connection path 23 is not required to be filled with water. Therefore, it is not necessary to apply high water from the upstream side in order to flow the water. Pressure.
  • the first and second ozone generating units 91 and 92 are inserted into the first and second electrode insertion water supply paths 21 by inserting the first and second ozone electrodes 91a and 92a. 22 is formed inside.
  • the first and second ozone electrodes 91a, 92a use an electrolytic electrode of the type in which a strip-shaped or linear cathode 9B is spirally wound in a rod shape and formed of a diamond electrode.
  • a strip-shaped or linear cathode 9B is spirally wound in a rod shape and formed of a diamond electrode.
  • the ozone electrodes 91a and 91b integrally have an electrode fixing screw portion 9C and a flange 9D at the base end, and a power supply unit (not shown) is connected to the anode 9A penetrating the flange 9D and the electrode fixing screw portion 9C, and the cathode 9B is fixed by an electrode.
  • the screw portion 9D and the like are grounded.
  • An opening is formed in the crank-shaped bent portion 2x on one end side of the horizontal portion 2a constituting the water supply path 2 shown in Fig.
  • a screw hole 2b1 is formed in the opening, and the first ozone electrode 91a is inserted into the screw hole 2b1 and The electrode fixing screw portion 9C is screwed to the screw hole 2b1, and the flange 9D is in close contact with the vertical portion 2b via the spacer 9E, so that the ozone electrode 91a is positioned in the first water supply path 91.
  • an opening is provided in the crank-shaped bent portion 2y, a screw hole 2c1 is formed in the opening, the second ozone electrode 92a is inserted into the screw hole 2c1, and the electrode is inserted
  • the fixing screw portion 9C is screwed to the screw hole 2c1, and the flange 9D is in close contact with the vertical portion 2c via the spacer 9E, so that the ozone electrode 92a is positioned in the second water supply path 92.
  • the water supply path 2 is in the shape of a crank including the horizontal portion 2a as described above, it is easy to form an air layer in the horizontal portion 2a, but the diameter of the flow path through the ozone generating portions 91, 92 and the connecting path 23 as described above. The difference is given, and it is assumed that the ozone generating units 91 and 92 are difficult to form an air accumulation.
  • the ozone electrodes 91a and 92a of the respective ozone generating units 91 and 92 are physically separated, when the minerals in the water adhere to the ozone electrodes 91a and 92a and deteriorate, it is not only easy to be used. Since the deteriorated electrode is taken out for cleaning or replacement, and no special electrode is required, it is easy to maintain the ozone electrodes 91a and 92a, and it contributes to reduction in component cost.
  • the ozone water mixing zone 11 is connected via the swirling zone 10 in the downstream region of the second bending portion 2y, and the ozone water passing through the ozone water mixing zone 11 is introduced into the ozone water supply port X.
  • the swirling zone 10 uses the corrugated hose H shown in Fig. 4. As the water flows in the turbulent state through the pipe 10a, the bubble of the ozone gas is mixed with the water to promote the rise of the ozone concentration. .
  • ozone and water are also flowed in a state in which the gas phase and the liquid phase are adjacent to each other. Then, ozone is dissolved in water to increase the ozone concentration.
  • ozone water mixing zone 11 it is necessary to ensure the length of the flow path required for dissolving ozone in the water, but the mixing can be effectively performed by providing the swirling zone 10, and therefore, the flow of the ozone water mixing zone 11 can be performed. Track length suppression is minimal.
  • the ozone generation mechanism of the present embodiment can be completed in the flow path, and therefore, it can be utilized for a highly practical washing machine W that is compactly assembled and can effectively utilize ozone water.
  • the washing machine W of the present embodiment does not require airtightness as in the general gas type ozone generating device using the venturi, and therefore can be used as a self-service laundry or laundry which is particularly suitable for the main drying function.
  • the ozone electrodes 91a and 92a are independently inserted into the first and second ozone generating units 21 and 22, but the entire ozone electrode may be physically integrated, but a part thereof may be used.
  • the first ozone generating unit 21 functions, and the other portion functions as the second ozone generating unit 22. In this case, it is also effective to increase the diameter of the water supply path between the two ozone generating units 21 and 22 in advance.
  • the first and second ozone generating units 21 and 22 are provided.
  • the number of the ozone generating units and the like is not limited as long as the number of the ozone generating units is two or more.
  • the corrugated hose is used for the swirl zone 10 of the above embodiment, as shown in Fig. 5, the tube 10b in the shape of a vane inside the tube may be used.
  • the tube 10b is inserted into the tube 10b by inserting the shaft 10b2 to which the spiral blade 10b1 is attached, and the outer circumference of the blade 10b1 is placed in close contact with the inner circumference of the tube 10b, thereby substantially cutting off the straightness of the water to generate a reliable swirling flow. .
  • the ozone water supply path 102 is configured by a single pipe.
  • the control unit C may be opened and closed in the middle of the flow path from the water supply path 2 toward the water collecting introduction portion 7.
  • the three-way valve 202a is controlled by the three-way valve 202a, and the ozone water supply path 302 including the ozone water generating device 9 corresponding to the water supply path of the present invention is branched from the water supply path 2, and the ozone water supply path 302 is connected to the drum.
  • the ozone supply port X below the 1st.
  • the ozone generating device 9 may be assembled in a part of the water supply path 2, and when the ozone generating device 9 is operated, the water supply path 2 functions as an ozone water supply path.
  • the decrease in the ozone concentration caused by the impact when the ozone water is dropped from above is effective, and it is effective in simplifying the piping.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
PCT/CN2017/102650 2016-12-12 2017-09-21 洗衣机 WO2018107843A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201780076760.2A CN110073049B (zh) 2016-12-12 2017-09-21 洗衣机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-240117 2016-12-12
JP2016240117A JP6897927B2 (ja) 2016-12-12 2016-12-12 洗濯機

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112250160A (zh) * 2019-07-02 2021-01-22 青岛海尔洗衣机有限公司 一种供水机构及清洗设备
CN112481930A (zh) * 2019-08-20 2021-03-12 青岛海尔洗衣机有限公司 一种洗衣机的控制方法及洗衣机

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JP7197858B2 (ja) * 2018-10-30 2022-12-28 青島海爾洗衣机有限公司 ドラム式洗濯機

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* Cited by examiner, † Cited by third party
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CN112250160A (zh) * 2019-07-02 2021-01-22 青岛海尔洗衣机有限公司 一种供水机构及清洗设备
CN112481930A (zh) * 2019-08-20 2021-03-12 青岛海尔洗衣机有限公司 一种洗衣机的控制方法及洗衣机

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CN110073049A (zh) 2019-07-30
JP6897927B2 (ja) 2021-07-07
JP2018094004A (ja) 2018-06-21
CN110073049B (zh) 2021-11-05

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