WO2011121937A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2011121937A1
WO2011121937A1 PCT/JP2011/001682 JP2011001682W WO2011121937A1 WO 2011121937 A1 WO2011121937 A1 WO 2011121937A1 JP 2011001682 W JP2011001682 W JP 2011001682W WO 2011121937 A1 WO2011121937 A1 WO 2011121937A1
Authority
WO
WIPO (PCT)
Prior art keywords
mist
refrigerator
storage
compartment
room
Prior art date
Application number
PCT/JP2011/001682
Other languages
English (en)
Japanese (ja)
Inventor
宗登 山田
豊志 上迫
卓 橋田
久美子 鈴木
成寿 金澤
公美子 大久保
美桃子 井下
Original Assignee
パナソニック株式会社
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
Priority claimed from JP2010204169A external-priority patent/JP5640589B2/ja
Priority claimed from JP2010204168A external-priority patent/JP5589699B2/ja
Priority claimed from JP2010204170A external-priority patent/JP5625651B2/ja
Application filed by パナソニック株式会社 filed Critical パナソニック株式会社
Priority to CN201180009121.7A priority Critical patent/CN102753921B/zh
Publication of WO2011121937A1 publication Critical patent/WO2011121937A1/fr

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042Air treating means within refrigerated spaces
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36Freezing; Subsequent thawing; Cooling
    • A23L3/363Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in form of powder, granules, or flakes
    • A23L3/364Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in form of powder, granules, or flakes with packages or with shaping in form of blocks or portions
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36Freezing; Subsequent thawing; Cooling
    • A23L3/37Freezing; Subsequent thawing; Cooling with addition of or treatment with chemicals
    • A23L3/375Freezing; Subsequent thawing; Cooling with addition of or treatment with chemicals with direct contact between the food and the chemical, e.g. liquid nitrogen, at cryogenic temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00Details 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
    • F25D2317/04Treating air flowing to refrigeration compartments
    • F25D2317/041Treating air flowing to refrigeration compartments by purification
    • F25D2317/0413Treating air flowing to refrigeration compartments by purification by humidification
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00Details 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
    • F25D2317/04Treating air flowing to refrigeration compartments
    • F25D2317/041Treating air flowing to refrigeration compartments by purification
    • F25D2317/0415Treating air flowing to refrigeration compartments by purification by deodorizing

Definitions

  • the present invention relates to a refrigerator in which an atomizer is installed in a storage room space.
  • the present invention also relates to a refrigerator, and more particularly to a refrigerator in which cold air circulates between a storage room and a cooling means.
  • a refrigerator equipped with this type of mist spraying function generates and sprays mist with an ultrasonic atomizer when the storage chamber is low in humidity, suppresses transpiration of vegetables and moisture loss of food.
  • a refrigerator equipped with this type of mist spraying function generates and sprays mist with an ultrasonic atomizer when the storage chamber is low in humidity, suppresses transpiration of vegetables and moisture loss of food.
  • FIG. 21 shows a refrigerator provided with a conventional ultrasonic atomizer described in Patent Document 1.
  • FIG. 22 is an enlarged perspective view showing a main part of the ultrasonic atomizer.
  • the front opening of the vegetable compartment 21 which is one of the storage compartments provided in the refrigerator main body 20 is closed by a drawer door 22 which is drawn openably and closably.
  • the vegetable compartment 21 is partitioned off from the upper refrigerator compartment (not shown) by the partition plate 2.
  • the fixed hanger 23 is fixed to the inner surface of the drawer door 22, and the vegetable container 1 for storing food such as vegetables is mounted on the fixed hanger 23.
  • the top opening of the vegetable container 1 is sealed with a lid 3.
  • a thawing chamber 4 is provided inside the vegetable container 1, and an ultrasonic atomizer 5 is provided in the thawing chamber 4.
  • the ultrasonic atomizer 5 is provided with a mist outlet 6, a water storage container 7, a humidity sensor 8, and a hose receiver 9.
  • the water storage container 7 is connected to a defrost water hose 10 by a hose receiver 9.
  • the defrost water hose 10 is provided with a purification filter 11 for purifying the defrost water at a part thereof.
  • the cold air cooled by the heat exchange cooler flows through the outer surfaces of the vegetable container 1 and the lid 3, thereby cooling the vegetable container 1 and cooling the food stored inside. Further, the defrost water generated from the cooler during the refrigerator operation is purified by the purification filter 11 when passing through the defrost water hose 10 and supplied to the water storage container 7 of the ultrasonic atomizer 5.
  • the ultrasonic atomizing device 5 starts humidification, so that the humidity in the vegetable container 1 is kept at a suitable level. Humidity can be adjusted.
  • the ultrasonic atomizer 5 stops excessive humidification.
  • the ultrasonic atomizer 5 can quickly humidify the vegetable compartment, the humidity in the vegetable compartment is always high, the transpiration action of the vegetable or the like is suppressed, and the freshness of the vegetable or the like can be maintained.
  • the refrigerator provided with the ozone water mist apparatus is shown (for example, refer patent document 2).
  • the refrigerator has an ozone generator, an exhaust port, a water supply path directly connected to the water supply, and an ozone water supply path in the vicinity of the vegetable room.
  • the ozone water supply route is led to the vegetable room.
  • the ozone generator is connected to a water supply unit directly connected to the water supply.
  • the exhaust port is configured to be connected to the ozone water supply path.
  • an ultrasonic element is provided in the vegetable compartment. Ozone generated by the ozone generator is brought into contact with water to become ozone water as treated water. The generated ozone water is guided to the vegetable compartment of the refrigerator, atomized by an ultrasonic vibrator, and sprayed to the vegetable compartment.
  • bactericidal or antibacterial treated water is supplied to the storage room in the form of a mist using an ultrasonic atomizer, and the mist components are stored in the storage room walls or preserved.
  • the surface of foods and food containers being sterilized and the refrigerator air are deodorized (for example, see Patent Document 2).
  • FIG. 30 and 31 show a refrigerator equipped with the conventional mist generating device described in Patent Document 1.
  • FIG. 30 and 31 show a refrigerator equipped with the conventional mist generating device described in Patent Document 1.
  • the vegetable compartment 7 is provided in the lower part of the refrigerator main body R, and its front opening is closed by a drawer door D2 that can be freely opened and closed. Moreover, the vegetable compartment 7 is partitioned off from the upper refrigerator compartment (not shown) by a partition plate (not shown).
  • a fixed hanger (not shown) is fixed to the drawer door D2, and a vegetable container 7B for storing food such as vegetables is mounted on the fixed hanger.
  • the vegetable room 7 has an ultrasonic vibrator 8 as a mist generating device, an ozone generator (not shown) near the refrigerator, and a water supply path (not shown) directly connected to the water supply, an ozone water supply path (not shown). ing.
  • the ozone water supply path is led to the vegetable room and connected to the ultrasonic atomizer 8.
  • Ozone generated by the ozone generator is brought into contact with water to become ozone water as treated water.
  • the generated ozone water is guided to the vegetable compartment of the refrigerator, atomized into mist by the ultrasonic vibrator 8, and sprayed to the vegetable compartment.
  • this atomized ozone water mist it is possible to perform antibacterial action of bacteria adhering to the surface of the warehouse wall or food in the vegetable compartment 7 of the refrigerator, or to deodorize the air in the vegetable compartment 7.
  • a conventional sterilization apparatus includes a sterilization apparatus that disposes a filter in an air passage and performs sterilization / deodorization in the air passing through the filter (see, for example, Patent Document 3).
  • a sterilization device using a conventional photocatalyst a filter-like member carrying titanium oxide is irradiated with ultraviolet rays, and the organic substances in the refrigerator are oxidized and decomposed using a photocatalytic reaction to sterilize and deodorize. There are several ways to do this.
  • FIG. 51 is a partial vertical cross-sectional view of a conventional refrigerator in which a sterilization apparatus is attached to the refrigerating room return air suction section.
  • the sterilization filter 1 is formed by mixing a zeolite composed of oxides of silicon, aluminum, sodium and the like into a honeycomb shape, and the number of cells is 100 to 250 per square inch in relation to ventilation resistance.
  • An aperture ratio of 70 to 80% and a thickness of about 8 mm are used.
  • the deodorizing filter 2 is formed by mixing a manganese oxide and an oxide of silicon or aluminum into a honeycomb shape, and in this case, the number of cells and the aperture ratio are often almost the same as the sterilization filter.
  • the sterilizing filter 1 and the deodorizing filter 2 are integrally fixed by a mounting frame 3.
  • the freezer compartment 5 is disposed at the top of the refrigerator
  • the refrigerator compartment 6 is disposed below the refrigerator compartment
  • the cooler 11 is disposed on the back of the refrigerator compartment 5 and refrigerator compartment 6.
  • a cool air passage 9 is disposed in the heat insulating portion 8 between the freezer compartment 5 and the refrigerator compartment 6, and the cool air passage 9 is deodorized on the suction portion 7 side and on the back side of the disinfection filter 1.
  • the filter 2 is integrally provided.
  • a part of the cold air generated by the cooler 11 flows into the freezer compartment 5 and a part thereof flows into the refrigerator compartment 6 and other storage rooms below.
  • the cold air circulated through each part goes from the return air suction part 7 to the cooler 11 through the cold air passage 9.
  • the wind speed in the cool air passage 9 at this time is about 0.5 m / sec.
  • the cold air passing through the cold air passage 9 is sterilized and deodorized by a sterilization apparatus. Specifically, first, bacteria and mold spores are captured together with dust by the sterilization filter 1, and chemical changes of odorous components are advanced by the deodorization filter 2 to perform deodorization.
  • the atomized water particles or ozone water particles are not fine and the particles are large, and thus the mist is heavy. Therefore, the diffusibility is low and it cannot be sprayed by being diffused in the cabinet, and is sprayed only in the vegetable room where the ultrasonic atomizer 5 and the ozone water mist device are provided.
  • Another object of the present invention is to provide a refrigerator capable of performing antibacterial action on bacteria and deodorizing cold air in a storage room caused by food or the like.
  • the said conventional structure since it is a system which atomizes water or ozone water with an ultrasonic vibration element, it is a mist with a heavy weight because the atomized water particle or ozone water particle does not become fine but is large. Therefore, the diffusibility is low and it cannot be sprayed by being diffused in the cabinet, and is sprayed only in the vegetable room where the ultrasonic atomizer 5 and the ozone water mist device are provided.
  • An object of the present invention is to provide a refrigerator provided with a spraying device that exhibits an optimum effect in all storage rooms of the refrigerator by more effectively distributing the mist generated by the spraying device to each storage room.
  • the deodorizing means is installed on the upstream side of the cool air flow path in the refrigerating room, so even if the cold air passing through the catalyst is effective, the air in the refrigerating room does not pass through the catalyst. There was a problem that there was no direct deodorizing effect.
  • This invention solves the said conventional subject, and it aims at providing the refrigerator which can disinfect and deodorize efficiently both the air in several storage chambers, and the circulating cold air.
  • a refrigerator according to the present invention sprays mist, a plurality of storage chambers, a cooling chamber that houses a cooler and a fan, and is connected to the plurality of storage chambers via an air passage.
  • a refrigerator having a spraying device, wherein the spraying device is housed in an outer case provided in at least one of the plurality of storage chambers, and the outer case is separated from the storage chamber.
  • the outer case is connected to a suction port for returning cool air to the air passage, and the outer case is provided with an opening communicating with the storage chamber, and at least when the fan operates, the mist is sprayed by the spray device. It is what is done.
  • mist generated from the spraying device can first diffuse into the outer case, so that the entire amount is not supplied directly to the storage chamber provided with the spraying device.
  • mist can diffuse to multiple storage chambers, and since the mist is sprayed when the fan operates, using forced convection by the fan, A configuration in which mist is supplied to a plurality of storage rooms can be realized in the refrigerator.
  • a refrigerator includes a plurality of storage rooms, a cooling chamber that houses a cooler and is connected to the plurality of storage rooms via an air passage, and a spray that sprays mist.
  • the spraying device is an atomization method using corona discharge, and is a dedicated compartment for storing mist generated from the spraying device in a first storage chamber that is one of the storage chambers.
  • a diversion means capable of switching the storage chamber to which the mist stored in the dedicated section is to be supplied.
  • the mist generated from the spraying device is filled in the dedicated compartment first and then switched to the necessary storage room by the diverting means to be surely supplied, so that the mist can be promptly transferred to any storage room as needed. It is possible to provide a refrigerator to be supplied.
  • the refrigerator of the present invention includes a plurality of storage rooms, a cooling room that generates cool air for cooling the storage room, an air passage through which the cold air is conveyed, and a spray device that generates mist to be supplied to the storage room.
  • the storage room includes a first storage room that is one of the storage rooms in which the spraying device is provided, and a storage room other than the first storage room is generated by the spraying device. The supplied mist is supplied intermittently.
  • the mist concentration in each storage room fluctuates due to intermittent mist supply, and this mist concentration fluctuation causes biological stress to microorganisms such as mold, bacterial yeast, and viruses adhering to the surface of the storage room wall and food. Therefore, even if a small amount of mist is supplied while suppressing the amount of mist generated, even a small amount of mist can be supplied to the storage wall of the storage room or the surface of food. An increase in microorganisms such as attached mold, bacterial yeast and virus can be suppressed.
  • a refrigerator includes a plurality of storage rooms, a cooling chamber that houses a cooler and is connected to the plurality of storage rooms via an air passage, and a spray that sprays mist.
  • the plurality of storage rooms include at least a refrigeration room maintained in a refrigeration temperature zone and a vegetable room set to a temperature equal to or higher than the refrigeration temperature zone, and storage in the storage room.
  • the mist supply from the dedicated compartment to the refrigerator compartment is forced convection using a fan, and the mist from the dedicated compartment to the vegetable compartment Supply is provided with a mist supply path for natural convection.
  • the refrigerator of the present invention includes a plurality of storage chambers, a cooling chamber that houses a cooler and is connected to the plurality of storage chambers via an air passage, and a spray device that sprays mist.
  • the chamber has a storage chamber that is mainly expected to have a sterilizing effect by spraying the mist, and a storage chamber that mainly has an effect of increasing the nutrients of vegetables or suppressing the low-temperature damage of vegetables.
  • the mist supply to the storage room where an effect is expected is a forced convection using a fan, and the mist supply to the vegetable room is provided with a mist supply path for natural convection.
  • mist is supplied from the dedicated compartment by forced convection.
  • the mist concentration can be reduced by using natural convection from the dedicated compartment, compared to forced convection. It is possible to provide a refrigerator in which the concentration of mist is adjusted according to any storage room as required by devising the way of mist distribution.
  • the refrigerator of this invention is comprised with the heat insulating material, the heat insulation box which forms a storage chamber inside, and the door attached to the opening part of the said heat insulation box so that opening and closing is possible.
  • Body cooling means for cooling the air in the heat insulation box to generate cool air, and an air passage for circulating the cool air by a fan between the storage chamber and the cooling means, and deodorizing the storage chamber
  • a second deodorizing device provided downstream of the storage chamber in the air passage, wherein the first deodorizing device and the second deodorizing device are different from each other. It is a method.
  • the present invention also includes a heat insulating box that is formed of a heat insulating material and forms a storage chamber therein, a door that is attached to the opening of the heat insulating box so as to be openable and closable, and cools and cools air in the heat insulating box.
  • a cooling means for generating the air, and an air passage for circulating the cold air by a fan between the storage chamber and the cooling means, and in the air passage, OH radicals are introduced into the space upstream of the cold air in the storage chamber.
  • An atomizing device for spraying the contained mist is installed, and a deodorizing device for holding a catalyst on the downstream side of the storage chamber in the air passage is provided.
  • mist containing OH radicals having sterilizing and deodorizing effects is diffused into the storage room, directly sterilizing and deodorizing the space in the storage room, and mist containing OH radicals has a deodorizing effect.
  • the effect of the catalyst can be enhanced by contact with, and both the air in the storage chamber and the circulating cold air can be sterilized and deodorized efficiently.
  • the configuration in which the mist is supplied to the plurality of storage rooms can be realized in the refrigerator. Therefore, the refrigerator capable of exhibiting a useful effect by the mist can be provided over the plurality of storage rooms of the refrigerator. .
  • the refrigerator of the present invention can supply mist to a plurality of storage rooms as needed, so that it can exert a useful effect by mist spraying in any storage room, and has improved storage stability.
  • a refrigerator can be provided.
  • the present invention is a refrigerator that has improved antibacterial performance because the present invention can express the useful effect of mist having antibacterial action and deodorizing action to all storage rooms of the refrigerator while suppressing the amount of mist generated Can be provided.
  • the refrigerator of the present invention can efficiently sterilize and deodorize both the air in the storage room and the circulating cold air.
  • FIG. 1 is a longitudinal sectional view of the refrigerator according to Embodiment 1 of the present invention.
  • FIG. 2 is a cross-sectional view of a main part of the spray device in the refrigerator according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram showing the positional relationship between the air passage and each storage room in the refrigerator according to Embodiment 1 of the present invention.
  • FIG. 4 is a cross-sectional view showing the arrangement of the suction cover and the outer case in the refrigerator according to the first embodiment of the present invention.
  • FIG. 5 is a top view of the vegetable compartment in the refrigerator according to Embodiment 1 of the present invention.
  • FIG. 6 is a timing chart showing a control pattern of the spraying device in the refrigerator according to Embodiment 1 of the present invention.
  • FIG. 7 is a longitudinal sectional view of the refrigerator in the second embodiment of the present invention.
  • FIG. 8 is a schematic diagram showing the positional relationship between the air passage and each storage room in the refrigerator according to Embodiment 2 of the present invention.
  • FIG. 9 is a cross-sectional view showing the arrangement of the suction cover and the outer case in the refrigerator according to the second embodiment of the present invention.
  • FIG. 10 is a longitudinal sectional view of the refrigerator in the third embodiment of the present invention.
  • FIG. 11 is a schematic diagram showing the positional relationship between the air passage and each storage room in the refrigerator according to Embodiment 3 of the present invention.
  • FIG. 12 is a cross-sectional view showing the arrangement of the suction cover and the outer case in the refrigerator according to the third embodiment of the present invention.
  • FIG. 13 is sectional drawing which shows arrangement
  • FIG. 14 is a top view of the vegetable compartment in the refrigerator according to Embodiment 4 of the present invention.
  • FIG. 15 is a three-dimensional view showing the structure of the outer cover in the refrigerator according to the fourth embodiment of the present invention.
  • FIG. 16 is a cross-sectional view showing the arrangement of the suction cover and the outer case in the refrigerator according to the fifth embodiment of the present invention.
  • FIG. 17 is a top view of the vegetable compartment in the refrigerator according to the fifth embodiment of the present invention.
  • FIG. 18 is a three-dimensional view showing the structure of the outer cover in the refrigerator according to the fifth embodiment of the present invention.
  • FIG. 19 is a three-dimensional view illustrating a shape example of the mist diffusion adjusting material in the refrigerator according to the fifth embodiment of the present invention.
  • FIG. 20 is a longitudinal sectional view of a part of the refrigerator in the sixth embodiment of the present invention.
  • FIG. 21 is a longitudinal sectional view of a vegetable room of a conventional refrigerator.
  • FIG. 22 is an enlarged perspective view showing a main part of an ultrasonic atomizer provided in a vegetable room of a conventional refrigerator.
  • FIG. 23 is a front view of the refrigerator in the seventh embodiment of the present invention.
  • FIG. 24 is a longitudinal sectional view of the refrigerator according to the seventh embodiment of the present invention.
  • FIG. 25 is a diagram showing ozone concentrations in the vegetable compartment and the refrigerator compartment in the refrigerator according to Embodiment 7 of the present invention.
  • FIG. 26 is a diagram showing the bacteria disinfection effect in the BOX assuming the refrigerator in the seventh embodiment of the present invention.
  • FIG. 27 is a longitudinal sectional view of the refrigerator in the eighth embodiment of the present invention.
  • FIG. 28 is a perspective view of the vegetable compartment of the refrigerator in the eighth embodiment of the present invention.
  • FIG. 29 is a diagram showing ozone concentrations in the vegetable compartment and the refrigerator compartment in the refrigerator according to Embodiment 8 of the present invention.
  • FIG. 30 is a schematic perspective view of main parts of a conventional refrigerator.
  • FIG. 31 is a perspective view of a vegetable room of a conventional refrigerator.
  • FIG. 32 is a longitudinal sectional view of the refrigerator in the ninth embodiment of the present invention.
  • FIG. 33 is a cross-sectional view of a main part of the spray device in the refrigerator according to the ninth embodiment of the present invention.
  • FIG. 34 is a schematic diagram showing the positional relationship between the air passage and each storage room in the refrigerator according to Embodiment 9 of the present invention.
  • FIG. 35 is a cross-sectional view showing the arrangement of the suction cover and the outer case in the refrigerator according to the ninth embodiment of the present invention.
  • FIG. 36 is a top view of the vegetable compartment in the refrigerator according to Embodiment 9 of the present invention.
  • FIG. 37 is a timing chart showing a control pattern of the spray device in the refrigerator according to the ninth embodiment of the present invention.
  • FIG. 38 is an explanatory diagram showing a decolorization rate necessary for expressing the mist effect in the refrigerator according to the eleventh embodiment of the present invention.
  • FIG. 39 is a longitudinal sectional view of the refrigerator according to the tenth embodiment of the present invention.
  • FIG. 40 is a schematic diagram showing the positional relationship between the air passages and the storage rooms in the refrigerator according to Embodiment 10 of the present invention.
  • FIG. 41 is a cross-sectional view showing the arrangement of the suction cover and the outer case in the refrigerator according to the tenth embodiment of the present invention.
  • FIG. 42 is a schematic diagram showing a positional relationship between an air passage and each storage room in the refrigerator according to Embodiment 11 of the present invention.
  • FIG. 43 is a front view of the refrigerator storage chamber according to Embodiment 12 of the present invention.
  • FIG. 44 is a longitudinal sectional view of the refrigerator storage chamber according to the twelfth embodiment of the present invention.
  • FIG. 45 is a schematic diagram of a cold air circulation air passage in the refrigerator according to the twelfth embodiment of the present invention.
  • FIG. 46 is a diagram showing the deodorizing performance of the deodorizing apparatus according to Embodiment 12 of the present invention.
  • FIG. 47 is a longitudinal cross-sectional view of the refrigerator storage chamber in the thirteenth embodiment of the present invention.
  • FIG. 48 is a schematic diagram of a cold air circulation air passage in the refrigerator according to the thirteenth embodiment of the present invention.
  • FIG. 49 is an enlarged view of part A of FIG.
  • FIG. 50 is a diagram showing the sensory evaluation results of the deodorizing power of the deodorizing apparatus according to Embodiment 13 of the present invention.
  • FIG. 51 is a longitudinal sectional view of a
  • the first invention has a plurality of storage compartments that are thermally insulated, a cooling chamber that houses a cooler and a fan and is connected to the plurality of storage compartments via an air passage, and a spray device that sprays mist.
  • the spray device is housed in an outer case provided in at least one of the plurality of storage chambers, and the outer case has a suction port for returning cold air from the storage chamber to the air passage.
  • the outer case is provided with an opening communicating with the storage chamber, and mist is sprayed by the spraying device at least when the fan operates.
  • mist generated from the spraying device to first diffuse into the outer case, so that the entire amount is not supplied directly to the storage chamber provided with the spraying device. Furthermore, since the outer case is connected to the suction port of the storage room, a path is formed so that mist can diffuse to other storage rooms, and the mist is sprayed when the fan is operated, so forced convection by the fan A configuration in which mist is supplied to a plurality of storage rooms can be realized in the refrigerator.
  • the supply of mist to the storage chamber provided with the spray device is mainly performed when the fan does not operate through the opening provided in the outer case.
  • the generated fine mist contains ozone, OH radicals, etc., and these oxidizing powers can be used to deodorize and sterilize the vegetable surface, as well as pesticides and wax that adhere to the vegetable surface. It is possible to oxidatively decompose and remove harmful substances.
  • a suction port cover that covers the suction port for returning the indoor cool air of the storage chamber provided with the spray device to the cooling chamber and has an opening, is provided.
  • the outer case for storing the spray device is connected to the suction cover.
  • a suction cover for periodically sending cool air to the cooling chamber and a spray device are housed, and relatively humid humid air is taken in from the opening to spray mist.
  • it has an outer case for diffusing mist into the storage room, and the shape and size of the cover, the main body of the case, the opening, etc. can be optimized in order to pursue each function.
  • the refrigerator has at least one damper device that can be opened and closed in an air passage connecting the cooling chamber and the storage chamber, and at least the damper device is opened. When sprayed, the mist is sprayed by the spray device.
  • the generated mist can be supplied to a storage chamber other than the storage chamber provided with the spray device through the air passage when the damper device is open.
  • the damper device is provided at a suction port for returning the indoor cool air of the storage chamber provided with the spray device to the cooling chamber.
  • the 5th invention has the some storage chamber by which the heat insulation division was carried out, the cooling chamber which accommodates a cooler, and is connected with the said some storage chamber via an air path,
  • the spraying apparatus which sprays mist,
  • the said spraying The apparatus is a spray system using a corona discharge for applying a voltage, and has a dedicated compartment in at least one of the plurality of storage chambers, and a storage chamber for supplying mist stored in the dedicated compartment. It is provided with a diversion means that can be switched.
  • the mist generated from the spraying device is filled in the dedicated compartment first and then switched to the necessary storage room by the diverting means to be surely supplied, so that the mist can be promptly transferred to any storage room as needed. It is possible to provide a refrigerator to be supplied.
  • the flow dividing means includes a fan, and the storage chamber for supplying the mist is switched depending on whether the fan is activated or not.
  • the mist when the fan is not operating, the mist is sprayed into the storage chamber provided with the spray device, and when the fan is operating, the storage chamber provided with the spray device. It is a refrigerator in which mist is sprayed to other storage rooms.
  • the mist is surely sprayed to the storage chamber provided with the spray device, and the mist can be supplied to any storage chamber as required by operating the fan. Therefore, the storage chamber for supplying mist can be switched with a simpler configuration.
  • the eighth invention is a refrigerator in which the diversion means includes a damper, and the storage chamber for supplying mist is switched by opening and closing the damper.
  • the distribution of the generated mist to each storage room can be controlled more accurately.
  • the damper is provided in the air passage, and when the damper is closed, the mist is sprayed into the storage chamber provided with the spray device, and when the damper is open, It is a refrigerator in which mist is sprayed to a storage room other than the storage room provided with the spraying device.
  • the storage chamber for supplying mist can be switched with a simpler configuration.
  • the dedicated compartment is formed by an outer case that covers the spray device, and the inner space of the outer case communicates with a suction port that returns cool air from the storage chamber to the air passage.
  • the dedicated section is provided in a partition wall between the storage chamber provided with the spraying device and the adjacent second storage chamber, and the dedicated section is connected to the air passage from the storage chamber.
  • a refrigerator that communicates with a suction port that returns cool air to the air.
  • a suction port cover that covers the suction port for returning the cool air in the storage chamber in which the spray device is provided to the cooling chamber and has the opening, and that houses the spray device.
  • the case and the suction port cover are connected to each other.
  • a suction port cover for periodically sending cool air to the cooling chamber, and a spray device is housed, and relatively humid humid air is taken in from the opening to store mist. It will have an outer case for spraying and spreading the mist to other storage rooms, and it is possible to optimize the shape and size of the cover, case main body and opening etc. in order to pursue each function .
  • the spray device is such that mist is sprayed using condensed water generated by condensation of moisture in the air, and a water supply port is provided upstream of the spray device in the dedicated section. Is provided, and a mist discharge port is provided on the downstream side of the spraying device.
  • the mist that diffuses in the outer case can be supplied not only from the water supply port but also from the mist discharge port to the storage chamber provided with the spray device.
  • the amount of mist supplied to the storage room provided with the spraying device can be adjusted according to the size of the area of the mist discharge port, and excessive mist diffusion to other storage rooms can be suppressed. Mist diffusion balanced against the chamber is realized.
  • the mist is sprayed using the condensed water generated by the condensation of moisture in the air, and the moisture supply port is provided upstream of the spray device in the dedicated section. Is provided, and a mist diffusion regulator is provided on the downstream side of the spraying device.
  • the mist that diffuses in the outer case can be supplied not only from the water supply port but also from the mist discharge port to the storage chamber provided with the spray device.
  • the amount of mist supplied to the storage room provided with the spraying device can be adjusted according to the size of the area of the mist discharge port, and excessive mist diffusion to other storage rooms can be suppressed. Mist diffusion balanced against the chamber is realized.
  • mist diffusion regulator serves as a barrier, can suppress excessive mist diffusion to other storage rooms, and achieves balanced mist diffusion for the entire refrigerator.
  • the heat insulating box includes a storage chamber partitioned by a partition wall, a cooling chamber that generates cool air for cooling the storage chamber, an air passage through which the cool air is conveyed, and the storage chamber
  • a spray device for generating mist to be supplied to the storage chamber and the storage chamber includes a plurality of storage chambers including a specific storage chamber provided with the spray device and a storage chamber other than the first storage chamber.
  • the mist generated by the spraying device is intermittently supplied to storage chambers other than the first storage chamber.
  • the mist supplied from the spraying device is intermittently sprayed in the first storage chamber provided with the spraying device, and the mist is indirectly sprayed to the storage chambers other than the first storage chamber through the indirect supply means in the previous period.
  • the mist concentration in each storage room is fluctuated intermittently by the intermittent mist supply, and microorganisms such as mold, bacterial yeast, and viruses attached to the surface of the storage room wall or food due to the mist concentration fluctuation It is now possible to apply biological stress to the mold, so that mold and bacteria attached to the storage walls and food surfaces even with a small amount of mist supplied to all storage rooms of the refrigerator while suppressing the amount of mist generated. An increase in microorganisms such as yeast and viruses can be suppressed.
  • the refrigerator according to a sixteenth aspect is characterized in that the indirect supply means has the air passage and supplies mist indirectly through the air passage.
  • the air passage has a suction air passage for returning cold air from the first storage chamber to the outside of the first storage chamber
  • the indirect supply means has the suction air passage
  • the mist is indirectly supplied by adding the mist to the cold air conveyed through the suction air passage.
  • the mist can be supplied to other than the first storage chamber more effectively, and further from the spray device.
  • the amount of mist generated can be reduced.
  • the refrigerator of the eighteenth aspect of the invention has a discharge air passage for conveying cold air from the cooling chamber to the storage chamber in order to cool the storage chamber by a refrigeration cycle, and the indirect supply means has a discharge air passage of the refrigeration cycle. And when the supply of the cold air is stopped, the mist is directly supplied to the first storage chamber.
  • the mist since the mist is supplied when the supply of the cold air is stopped, the mist can be supplied more positively to a specific storage chamber, and the amount of mist generated from the spray device can be further suppressed. Became.
  • a refrigerator is characterized in that the indirect supply means is a mist-only air passage that mainly supplies mist independently of the air passage through which the cold air is conveyed.
  • the refrigeration cycle air passage is transported through a dedicated air passage without using the refrigeration cycle air passage. Since the mist can be supplied indirectly according to the required amount, the mist can be supplied indirectly more efficiently, and the amount of mist generated from the spray device can be further suppressed. became.
  • the refrigerator according to a twentieth invention is characterized in that the indirect supply means is provided in the vicinity of the spraying device.
  • the mist when it is desired to indirectly spray the mist to other than the first storage chamber, the mist can be quickly supplied to the indirect spraying device in the vicinity of the spraying device. It became possible to supply to other than one storage room, and further, the amount of mist generated from the spraying device could be suppressed.
  • the refrigerator according to a twenty-first aspect is characterized in that the indirect supply means includes a diversion means for switching presence / absence of mist supply to a storage room other than the first storage room.
  • a refrigerator according to a twenty-second aspect of the invention is characterized in that a dedicated compartment provided with a spraying device is provided in an independent compartment different from the storage space for storing food in the first storage chamber.
  • the mist generated from the spraying device can be temporarily stored in a dedicated section, and the mist efficiently stored without mist disappearing in food stored in the storage room can be directly passed to the air path of the refrigeration cycle.
  • the mist can be easily supplied to all the storage chambers via the discharge air passage and the suction air passage using the cold air flow of the refrigeration cycle. It has become possible to further reduce the amount of mist generated from the spraying device.
  • a refrigerator according to a twenty-third aspect is characterized in that the storage compartment for storing food divided in the first storage compartment is a dedicated compartment provided with a spraying device.
  • mist can be actively supplied to the food stored in the dedicated compartment, so if there is a food that wants to actively suppress microorganisms adhering to the surface of the food more actively, the spray device can be used.
  • the increase in microorganisms can be suppressed by storing food in the dedicated compartment.
  • the refrigerator according to a twenty-fourth aspect is characterized in that the dedicated section is independent of the discharge air passage and the suction air passage and communicates with the discharge air passage or the suction air passage.
  • the mist dedicated space is not provided in the discharge air passage or the suction air passage, so that it does not interfere with the circulation of the cold air in the refrigeration cycle, and is connected to the dedicated section or the discharge air passage.
  • the mist can be supplied to the air passage more efficiently, and the amount of mist generated from the spray device can be suppressed.
  • the dedicated section is independent of the discharge air passage and the suction air passage, and communicates with the discharge air passage or the suction air passage.
  • the mist is supplied from the dedicated section to the suction air passage, thereby using the flow of the cold air of the refrigeration cycle and different from the first storage chamber.
  • the mist stored in the dedicated section via the suction air passage is Since it can now be supplied to the storage room, it becomes possible to supply mist to the storage room even when cooling is not circulated in the refrigerator by the refrigeration cycle. Mist can be supplied to each storage room of the refrigerator, and further, the amount of mist generated from the spray device can be suppressed.
  • the dedicated section is provided on the rear side of the top surface of the storage room.
  • the mist stored in the dedicated section provided on the top surface of the storage room is supplied to the entire storage room by natural diffusion using its own weight.
  • mist can be supplied to the storage chamber more efficiently, and the amount of mist generated from the spray device can be suppressed.
  • the refrigerator according to a twenty-seventh aspect is characterized in that the dedicated section is provided with an opening on a surface in contact with the storage room.
  • the mist stored in the dedicated section passes through the opening provided on the surface in contact with the storage room. Since the mist can be supplied to the storage chamber, the mist can be supplied to the storage chamber more efficiently, and the amount of mist generated from the spray device can be suppressed. Became.
  • the refrigerator of the 28th invention is characterized in that the difference in mist concentration in the storage chamber is 0.01 ppm or more in terms of ozone concentration contained in the mist.
  • microorganisms such as mold, bacterial yeast, and viruses attached to the surface of the storage room storage wall and food can reliably give stress due to the difference in mist concentration. It has become possible to suppress the growth of microorganisms such as molds, bacterial yeasts and viruses attached to the surface.
  • the 29th invention is characterized in that the mist concentration in the storage chamber is the ozone concentration contained in the mist and the minimum concentration is 0.001 ppm or less.
  • mist concentration that suppresses the increase of microorganisms such as mold, bacteria yeast, and viruses attached to the storage wall of the storage room and the surface of food, etc., and to further reduce the mist concentration.
  • the amount of mist generated from the spray device can be suppressed.
  • a thirtieth aspect of the present invention includes a plurality of storage compartments that are partitioned by heat insulation, a cooling chamber that houses a cooler and is connected to the plurality of storage compartments via an air passage, and a spray device that sprays mist.
  • the storage room includes at least a refrigeration room maintained in a refrigeration temperature zone and a vegetable room set to a temperature setting equal to or higher than the refrigeration temperature zone, and stores the mist independently of a storage unit in the storage room.
  • the mist supply from the dedicated section to the refrigerator compartment is a forced convection using a fan, and the mist supply from the dedicated section to the vegetable room has a mist supply path for natural convection. refrigerator.
  • mist concentration can be made thinner than using forced convection by supplying mist by natural convection from the dedicated section, and any method according to need can be obtained by devising the way of mist distribution. It is possible to provide a refrigerator in which the concentration of mist is adjusted according to the storage room.
  • a thirty-first invention has a plurality of storage compartments that are thermally insulated, a cooling chamber that houses a cooler and is connected to the plurality of storage compartments via an air passage, and a spray device that sprays mist.
  • the storage room has a storage room that mainly expects a sterilizing effect by spraying the mist, and a storage room that mainly expects an effect of increasing the nutrients of vegetables or suppressing the low temperature damage of vegetables,
  • the refrigerator provided with the mist supply path
  • mist is supplied from the dedicated compartment by forced convection.
  • the mist concentration can be reduced by using natural convection from the dedicated compartment, compared to forced convection. It is possible to provide a refrigerator in which the concentration of mist is adjusted according to any storage room as required by devising the way of mist distribution.
  • the mist supply path includes an opening that communicates the vegetable compartment or a storage compartment that mainly increases the nutrients of the vegetable or expects an effect of suppressing low temperature damage of the vegetable and the dedicated compartment. And the mist supply amount is adjusted according to the size of the opening.
  • the amount of mist supplied can be adjusted by changing the size of the opening. Therefore, even when it is applied to a real machine of a refrigerator having a variety of capacity bands, the capacity and spray of each storage room Depending on the capability of the apparatus, the mist supply amount can be effectively adjusted with a simple configuration of adjusting the area of the opening.
  • the mist concentration in a storage chamber other than the storage chamber provided with the spraying device is higher than the mist concentration in the storage chamber in which the spraying device is installed.
  • the mist concentration necessary for realizing the mist effect (such as sterilization and deodorization) is larger than that in the storage room where the spraying device is installed.
  • the spraying device can be installed at any optimal location, and can exhibit a mist effect in a storage room that requires a high concentration of mist.
  • the absolute humidity in a storage chamber other than the storage chamber provided with the spraying device is smaller than the absolute humidity in the storage chamber provided with the spraying device, and the storage other than the storage chamber provided with the spraying device.
  • the mist concentration in the chamber is higher than the mist concentration in the storage chamber in which the spraying device is installed.
  • the spray device is provided in the storage chamber having a relatively high absolute humidity, it becomes possible for condensation to easily occur in the atomizing portion of the spray device, so that mist can be sprayed stably.
  • the mist concentration required to achieve the mist effect (such as sterilization and deodorization) is higher than that in the storage room where the spraying device is installed. Even if it exists, a mist effect can be expressed in store rooms other than the store room provided with the spraying apparatus.
  • mist concentration generally tends to be lower than the storage room where the spray device is installed, but indirect by forced convection.
  • the main point of the present invention is that the mist concentration of the other storage chambers to be sprayed with mist increases.
  • a heat insulating box which is formed of a heat insulating material and forms a plurality of storage chambers therein, a door which is attached to an opening of the heat insulating box so as to be opened and closed, and air in the heat insulating box.
  • Cooling means for cooling and generating cold air an air passage for circulating the cold air between the storage chamber and the cooling means by a fan, a catalyst on the downstream side of the storage chamber, and containing OH radicals in the storage chamber
  • An atomizing device for spraying mist is arranged.
  • mist containing OH radicals with sterilizing and deodorizing effects is diffused into the storage room, sterilizing and deodorizing directly in the space, and mist containing OH radicals contacts the catalyst with deodorizing effects.
  • the effect of the catalyst can be enhanced, and both the air in the storage chamber and the circulating cold air can be sterilized and deodorized efficiently.
  • the thirty-sixth aspect of the invention is characterized in that the catalyst installed on the downstream side of the storage chamber is a deodorizing filter formed of honeycomb-like activated carbon made of a manganese-based catalyst.
  • a heat insulating box body that is formed of a heat insulating material and forms a storage chamber therein, a door body that can be freely opened and closed to an opening of the heat insulating box body, and air in the heat insulating box body is cooled.
  • a cooling means for generating cold air, an air passage for circulating the cold air between the storage chamber and the cooling means by a fan, a catalyst on the downstream side of the storage chamber, and an OH upstream of the cold air in the storage chamber An atomization device that sprays mist containing radicals is installed.
  • the atomization device for spraying the mist containing OH radicals is located upstream of the cool air in the storage room, so that the mist containing OH radicals with high sterilization and deodorization is diffused into the storage room and directly
  • the inside of the space is sterilized and deodorized, and the mist containing OH radicals comes into contact with the catalyst having a deodorizing effect, thereby enhancing the effect of the catalyst and efficiently both the air in the storage chamber and the circulating cold air. It can be sterilized and deodorized.
  • a thirty-eighth aspect of the invention is a refrigerator main body having a plurality of storage rooms, a first detection means capable of detecting a change in the installation environment of the refrigerator, and a control means for controlling the operation of the electrical load component provided in the refrigerator main body. And automatically performing a power saving operation for suppressing or stopping the operation of the electrical load component according to the output signal detected by the first detection means, and storing the power saving operation by the control means when performing the power saving operation.
  • An atomizer for spraying mist containing OH radicals is installed on the upstream side of the cool air in the storage chamber, with a catalyst provided downstream of the storage chamber where the temperature in the room rises.
  • the storage room where the temperature rises easily releases a large amount of odorous components from the stored matter, and it tends to be cooler with a strong smell, but the storage room where the temperature rises contains OH radicals that have a sterilizing and deodorizing effect.
  • Efficient sterilization and deodorization of both the air in the storage room and the circulating cold air by spraying mist and providing a catalyst on the downstream side of the storage room where the temperature that is the source of odor is high Therefore, it is possible to provide a refrigerator capable of realizing further energy saving while maintaining the deodorizing effect.
  • FIG. 1 is a longitudinal sectional view of a refrigerator according to Embodiment 1 of the present invention
  • FIG. 2 is a sectional view of essential parts of a spraying device in the refrigerator according to Embodiment 1 of the present invention
  • FIG. 3 is a refrigerator according to Embodiment 1 of the present invention.
  • Fig. 4 is a schematic view showing the positional relationship between the air passage and each storage room in Fig. 4
  • Fig. 4 is a cross-sectional view showing the arrangement of the suction cover and the outer case in the refrigerator according to the first embodiment of the present invention
  • Fig. 5 is the first embodiment of the present invention.
  • FIG. 6 is a timing chart showing a control pattern of the spraying device in the refrigerator according to Embodiment 1 of the present invention.
  • a heat insulating box 101 which is a refrigerator main body of the refrigerator 100 includes an outer box 102 mainly using a steel plate, an inner box 103 formed of a resin such as ABS, and the outer box 102 and the inner box 103. It is comprised with the hard foaming urethane 101b by which foam filling is carried out, and it heat-insulates with the circumference
  • a refrigeration chamber 104 as a third storage chamber is provided at the top, and a switching chamber 105 as a fourth storage chamber and an ice making chamber 106 as a fifth storage chamber are provided side by side at the lower portion of the refrigeration chamber 104.
  • a freezing room 107 as a second storage room is arranged in the lower part of the chamber 105 and the ice making room 106, and a vegetable room 108 as a first storage room is arranged in the lowermost part, and doors 104a, 105a, 106a, 107a, and 118 are provided.
  • the refrigerated room 104 is set in a refrigerated temperature zone, which is a temperature that does not freeze for refrigerated storage. Usually, the temperature is set to 1 ° C. to 5 ° C.
  • the vegetable temperature range is 2 ° C to 7 ° C.
  • the freezer compartment 107 is set in a freezing temperature zone and is usually set at ⁇ 22 ° C. to ⁇ 15 ° C. for frozen storage, but for example, ⁇ 30 ° C. or ⁇ 25 ° C. to improve the frozen storage state. It may be set at a low temperature.
  • the switching chamber 105 can be switched to a preset temperature zone between the refrigeration temperature zone and the freezing temperature zone in addition to the refrigeration temperature zone, vegetable temperature zone, and freezing temperature zone.
  • the switching chamber 105 is a storage chamber provided with an independent door arranged in parallel with the ice making chamber 106, and is often provided with a drawer-type door.
  • the switching chamber 105 is a storage room including the temperature range of refrigeration and freezing.
  • the refrigeration is performed by the refrigeration room 104 and the vegetable room 108
  • the freezing is performed by the freezing room 107.
  • a storage room specialized for switching only the temperature zone in the middle of freezing may be used.
  • the storage room fixed to the specific temperature range may be sufficient.
  • the ice making chamber 106 creates ice with an automatic ice maker (not shown) provided in the upper part of the room with water sent from a water storage tank (not shown) in the refrigerated room 104, and an ice storage container ( (Not shown).
  • the top surface portion of the heat insulating box 101 has a stepped recess shape toward the back of the refrigerator.
  • a machine chamber 101a is formed in the stepped recess, and the compressor 109, moisture is formed in the machine chamber 101a.
  • Houses high pressure side components of the refrigeration cycle such as a dryer (not shown) for removal. That is, the machine room 101 a in which the compressor 109 is disposed is formed by biting into the uppermost rear region in the refrigerator compartment 104.
  • the compressor 109 is disposed in the conventional refrigerator.
  • the space in the machine room at the bottom of the easy-to-use heat insulation box 101 can be effectively converted as the storage room capacity, and the storage performance and usability can be greatly improved.
  • the refrigeration cycle is formed of a series of refrigerant flow paths including a compressor 109, a condenser (not shown), a capillary as a decompressor, a cooler 112, and an accumulator 112a in order by a refrigerant pipe 112b.
  • a compressor 109 a condenser (not shown), a capillary as a decompressor, a cooler 112, and an accumulator 112a in order by a refrigerant pipe 112b.
  • a compressor 109 a condenser (not shown)
  • a capillary as a decompressor
  • a cooler 112 a cooler
  • an accumulator 112a in order by a refrigerant pipe 112b.
  • isobutane which is a hydrocarbon-based refrigerant
  • Compressor 109 is a reciprocating compressor that compresses refrigerant by reciprocating a piston in a cylinder.
  • those functional parts may be disposed in the machine room 101a.
  • the decompressor constituting the refrigeration cycle is a capillary, but an electronic expansion valve that can freely control the flow rate of the refrigerant driven by the pulse motor may be used.
  • the matter relating to the main part of the invention described below is a type in which a compressor room is provided by providing a machine room in the rear region of the lowermost storage room of the heat insulating box 101, which has been generally used conventionally. It may be applied to other refrigerators.
  • a cooling chamber 110 for generating cold air is provided on the back surface of the freezing chamber 107 and is partitioned from the air passage 141, and a rear partition wall 111 configured to be thermally insulated from each storage chamber is configured.
  • a cooler 112 is disposed, and in the upper space of the cooler 112, the cold air cooled by the cooler 112 by a forced convection method is stored in the refrigerating chamber 104, the switching chamber 105, the ice making chamber 106, and vegetables.
  • a fan 113 for blowing air to the chamber 108 and the freezing chamber 107 is disposed.
  • the air passage 141 is provided with a damper device 141a (241) for adjusting the air flow in the air passage.
  • the air temperature to the refrigerator compartment 104 is adjusted so that the room temperature falls within a predetermined temperature range. ing.
  • a radiant heater 114 made of a glass tube is provided in the lower space of the cooler 112 for defrosting the frost and ice adhering to the cooler 112 and its surroundings during cooling.
  • a storage container 119 placed on a frame attached to the drawer door 118 of the vegetable compartment 108 is arranged.
  • a suction inlet 126 for the vegetable compartment for cooling the inside of the vegetable compartment 108 and returning heat to the cooler 112, and a suction inlet cover 126a installed in the upper part of the vegetable compartment 108. It is provided so as to cover the suction port 126.
  • the heat-exchanged cold air is taken in from an opening provided in the suction port cover 126a, is carried to the cooling chamber 110 through the suction port 126, and is circulated in the refrigerator after being cooled.
  • the rear partition wall 111 is made of a resin such as ABS and a heat insulating material such as polystyrene foam for isolating the air passage 141 and the cooling chamber 110 and ensuring the heat insulation of the storage chamber.
  • the outer case 127 is provided in the upper part of the vegetable compartment 108, and the spraying device 131 is installed in the inside.
  • the atomization unit 139 is an atomization electrode that sprays mist from its tip, and is made of platinum, titanium, or the like.
  • the atomizing section 139 is located close to the cooling pin 134, which is a heat transfer cooling member made of a good heat conducting member such as aluminum or stainless steel, via an electrically insulating material such as alumina, and is located almost at the center of the cooling pin 134. It is fixed to.
  • the material of the cooling pin 134 is preferably a high heat conductive member such as aluminum or copper, and the periphery of the cooling pin 134 is covered with a heat insulating material 152 in order to efficiently transfer cold heat from one end to the other end of the cooling pin 134. It is desirable.
  • the cooling pin 134 is located inside the heat insulating material 152, and the tip thereof is exposed to the freezer compartment 107 side in this embodiment.
  • the temperature of the freezer compartment 107 is ⁇ 22 ° C. to ⁇ 15 ° C., and the entire cooling pin 134 can be cooled more effectively by exposing the tip of the cooling pin 134.
  • the cooling pin 134 may be embedded in the heat insulating material 152, but in this case, the cooling effect of the cooling pin 134 is smaller than that in the present embodiment.
  • the cooling pin 134 cooled by the cold air in the freezer compartment 107 cools the atomizing portion 139 by heat conduction, and condensation occurs on the surface of the atomizing portion 139 that has become a temperature below the dew point, and this condensed water is used. Mist will be sprayed.
  • a donut disk-shaped counter electrode 136 is attached to the storage chamber (vegetable chamber 108) side at a position facing the atomizing portion 139 so as to maintain a certain distance from the tip of the atomizing portion 139.
  • a voltage application unit 133 is configured in the vicinity of the atomization unit 139, and the negative potential side of the voltage application unit 133 that generates a high voltage is electrically connected to the atomization electrode 135 and the positive potential side is electrically connected to the counter electrode 136, respectively. Yes.
  • the surface of the atomizing portion 139 needs to be surface-treated. For example, it is desirable to use nickel plating, gold plating, or platinum plating.
  • the counter electrode 136 is made of, for example, stainless steel, and it is necessary to ensure its long-term reliability. In particular, in order to prevent foreign matter adhesion and contamination, it is desirable to perform surface treatment such as platinum plating.
  • the voltage application unit 133 communicates and is controlled with the control means 146 of the refrigerator main body, and performs ON / OFF of high voltage application by an input signal from the refrigerator 100 or the spray device 131.
  • the refrigeration cycle is operated by a signal from a control board (not shown) according to the set temperature in the cabinet, and the cooling operation is performed.
  • the high-temperature and high-pressure refrigerant discharged by the operation of the compressor 109 is condensed to some extent by a condenser (not shown), and further, the side surface and the rear surface of the heat insulation box body 101 which is the refrigerator main body, and the front opening of the heat insulation box body 101.
  • the refrigerant is condensed and liquefied while preventing condensation of the heat insulating box 101 through the refrigerant pipe 112b and the like, and reaches a capillary tube (not shown). After that, the capillary tube is depressurized while exchanging heat with a suction pipe (not shown) to the compressor 109 to become a low-temperature and low-pressure liquid refrigerant and reaches the cooler 112.
  • the low-temperature and low-pressure liquid refrigerant exchanges heat with the cold air in each storage chamber, and the refrigerant in the cooler 112 evaporates.
  • heat for evaporating is taken from the surroundings to generate cool air for cooling each storage chamber in the cooling chamber 110.
  • the low-temperature cold air is diverted from the fan 203 to the refrigerating room 104, the switching room 105, the ice making room 106, the vegetable room 108, and the freezing room 107 by using the air passage 141 and the damper device 141b (241), and is brought to the respective target temperature zones. Cooling.
  • the vegetable compartment 108 is adjusted to 2 ° C. to 7 ° C. by ON / OFF operation such as cold air distribution and heating means (not shown), and generally has no internal temperature detection means. There are many.
  • the cool air in each storage chamber is structured to return to the cooling chamber 110 through the air passage 141 when the fan 203 is operated.
  • the returned cold air passes through the cooler 112, it is heat-exchanged and cooled, and is supplied to each storage room through an air passage.
  • the cold air exchanged in the cooling chamber 110 is supplied to the freezing chamber 107, the switching chamber 105, and the ice making chamber 106, and is also supplied to the refrigerating chamber 104 when the damper device 141b is open.
  • the cold air that has passed through the damper device 141b is supplied to the vegetable compartment 108 through the air passage 141 that leads into the refrigerator compartment 104 and the air passage 141 that leads to the branched vegetable compartment 108.
  • the cold air in each storage room returns to the cooling room 110 through the air passage 141 again, and the refrigerator is cooled to a predetermined temperature by repeating this cycle.
  • the cold air circulated through the vegetable chamber 108 returns to the cooling chamber 110 through the suction port 126, but as shown in FIGS. 4 and 5, the spray device 131 is accommodated in the outer case 127.
  • a moisture supply port 138 that is an opening for taking in the high humidity and cold air of the vegetable compartment 108 is provided.
  • the taken-in high-humidity cold air is cooled by the atomizing section 139 that has become below the dew point, and is condensed to spray mist.
  • the outer case 127 is connected to the suction port 126, so that the mist is conveyed to the cooling chamber 110 through the suction port 126 and the air passage 141, and each storage chamber of the refrigerator 100. To be supplied.
  • suction port cover 126a is connected to the suction port 126 so that the cool air of the vegetable chamber 108 is taken in from the opening 147 and is conveyed to the cooling chamber 110 through the suction port 126 and the air passage 141.
  • the outer case 127 and the suction port cover 126a are connected.
  • the outer case 127 may also serve as the suction port cover 126a.
  • the moisture supply port 138 also serves as the opening 147.
  • the freezing chamber 107 which is a cooling means at the tip of the cooling pin 134, is generated by the cooler 112 by the operation of the cooling system, and cool air of about ⁇ 15 to ⁇ 25 ° C. flows by the fan 113 and is a heat transfer cooling member.
  • the cooling pin 134 is cooled to about 0 to ⁇ 10 ° C., for example.
  • the cooling pin 134 is a good heat conduction member, it is very easy to transmit cold heat, and the atomizing portion 139 is also indirectly cooled to about 0 to ⁇ 10 ° C. via the cooling pin 134.
  • the temperature of the vegetable compartment 108 is 2 ° C. to 7 ° C., and it is in a relatively high humidity state due to transpiration from vegetables, so that if the atomizing portion 139 is below the dew point, the atomizing portion 139 has water. Generated and water droplets adhere.
  • the atomization part 139 can be cooled indirectly by cooling the cooling pin 134 which is a heat-transfer cooling member, without directly cooling the atomization part 139, and the cooling pin 134 which is a heat-transfer cooling member Has a larger heat capacity than that of the atomizing section 139, so that the direct influence on the atomizing section 139 can be reduced, and the atomizing section 139 can be cooled.
  • the cooling pin 134 which is a heat-transfer cooling member
  • the electric field in the vicinity of the atomization unit 139 is provided by providing the counter electrode 136 at a position facing the atomization unit 139 and having the voltage application unit 133 that generates a high-voltage potential difference between the atomization unit 139 and the counter electrode 136.
  • the atomization phenomenon and the spray direction are determined, the accuracy of the fine mist sprayed in the outer case 127 can be further increased, and the spray device 131 with high reliability can be provided.
  • the cooling pin 134 which is a heat transfer cooling member is cooled via the heat relaxation member (heat insulating material 152), in addition to the one that indirectly cools the atomizing portion 139 with the cooling pin 134 as described above, It can cool indirectly with the double structure through the heat insulating material 152 which is a heat relaxation member, and can prevent that the atomization part 139 is cooled extremely.
  • the spraying device 131 can spray high-humidity cold air from the water supply port 138 provided in the outer case 127 and spray the mist by condensing in the atomizing unit 139.
  • the fine mist generated in the atomizing electrode 135 is sprayed in the outer case 127, but is very diffusible due to very small fine particles, and the fine mist diffuses into the vegetable compartment 108 through the water supply port 138. Since the fine mist to be sprayed is generated by high-pressure discharge, it has a negative charge.
  • green vegetable leaves and fruits are also stored in the vegetable room 108, and these fruits and vegetables are more susceptible to wilt due to transpiration or transpiration during storage. Some vegetables and fruits stored in the vegetable compartment usually have a slight charge due to transpiration at the time of purchase return or transpiration during storage, and have a positive charge. Therefore, the atomized mist is easy to gather on the surface of vegetables, and this improves the freshness.
  • nano-level fine mist adhering to the vegetable surface contains a lot of OH radicals and a small amount of ozone, etc., and is effective for sterilization, antibacterial, sterilization, etc. Encourages vegetables to increase nutrients such as vitamin C.
  • the control means 146 of the refrigerator 100 By detecting this phenomenon by the control means 146 of the refrigerator 100, the high voltage of the voltage application unit 133 can be turned ON / OFF.
  • the voltage application unit 133 protects the circuit by adopting a moisture-proof / water-proof structure using a potting material or a coating material.
  • the fan 203 is periodically turned on / off in order to supply the cool air generated in the cooling chamber 110 to all the storage rooms.
  • the fan 203 operates when it is on, and the fan 203 stops when it is off. It will be in the state.
  • the damper device 141b is periodically opened and closed to distribute the cold air generated in the cooling chamber 110 to the refrigerator compartment 104 and the vegetable compartment 108, and opens when the temperature of the refrigerator compartment 104 and the vegetable compartment 108 is higher than a predetermined value. Then, cold air is supplied, and when the temperature of the refrigerator compartment 104 and the vegetable compartment 108 is lower than a predetermined temperature, it is closed and prevented from being overcooled.
  • the high voltage application unit 133 also periodically repeats ON / OFF. When ON, a high voltage is applied between the atomizing unit 139 and the counter electrode 136 and mist is sprayed, and when it is OFF, no high voltage is applied and the mist is sprayed. It will not be done.
  • the mist generated at this time is taken into the cooling chamber 110 through the suction port 126 and the freezing chamber 107.
  • the mist is supplied to the switching chamber 105 and the ice making chamber 106.
  • the damper device 141b is also open, so that mist is supplied to the refrigerator compartment 104 and the vegetable compartment 108 through the air passage 141.
  • a plurality of storage compartments (such as the vegetable compartment 108) that are thermally insulated, the cooler 112, and the fan 203 are accommodated and connected to each storage compartment by the air passage 141. 110, an atomizing unit 139 for spraying mist, and a heat transfer cooling member (cooling pin 134) connected to the atomizing unit 139, and a cooling means for cooling the cooling pin 134.
  • the cooling means cools the cooling pin 134 to indirectly cool the atomization unit 139 to a dew point or less, and moisture in the cold air is condensed on the atomization unit 139 and sprayed as mist in each storage chamber.
  • the spray device 131 is housed in an outer case 127 provided in the vegetable compartment 108, and the outer case 127 is connected to a suction port 126 that returns indoor cold air from the vegetable compartment 108 to the cooling chamber 110.
  • a water supply port 138 that is an opening is provided on the surface of the outer case 127 with respect to the vegetable compartment 108, and at least when the fan 203 operates, mist may be sprayed by the spray device 131. Since the mist generated from the device 131 is first diffused into the outer case 127, the entire amount is not directly supplied to the vegetable compartment 108 provided with the spraying device 131.
  • the supply of mist to the vegetable compartment 108 provided with the spray device 131 is performed mainly when the fan 203 does not operate through the moisture supply port 138 provided in the outer case 127.
  • the spray device 131 since the spray device 131 is mounted in the outer case 127, it cannot be easily touched by a human hand, and thus has a high safety configuration.
  • a suction port cover 126a that covers the suction port 126 that returns the indoor cold air of the vegetable chamber 108 provided with the spraying device 131 to the cooling chamber 110 and has a moisture supply port 138 is provided. Since the outer case 127 that houses the spraying device 131 and the suction port cover 126a are connected to each other, the suction port cover 126a for periodically feeding cool air to the cooling chamber 110 in order to maintain the inside of the vegetable compartment 108 at the set temperature, And an outer case 127 for storing the spray device 131, taking in the high-humidity cold air in the vegetable compartment 108 from the moisture supply port 138, spraying the mist, and diffusing the mist also into the other storage compartment. To optimize the shape and size of the outer case 127 and the main body and opening of the suction port cover 126a Kill.
  • the damper apparatus 141b which can be opened and closed in the air path 141 which connects the cooling chamber 110 and a storage room, and when the damper apparatus 141b is open, mist is sprayed by the spray apparatus. Therefore, the generated mist can be supplied to the refrigerator compartment 104 other than the vegetable compartment 108 provided with the spraying device 131 through the air passage 141 when the damper device 141b is open.
  • the supply of mist to the vegetable compartment 108 provided with the spray device 131 is mainly performed by the damper device 141b through the moisture supply port 138 provided in the outer case 127 and the opening 147 provided in the suction port cover 126a. Performed when closed.
  • the storage room in which the mist is sprayed by the spraying device 131 is the vegetable room 108, but the storage room in other temperature zones such as the refrigerator room 104 and the switching room 105.
  • the storage room in other temperature zones such as the refrigerator room 104 and the switching room 105.
  • it can be developed for various purposes.
  • FIG. 7 is a longitudinal sectional view of the refrigerator according to the second embodiment of the present invention
  • FIG. 8 is a schematic diagram showing the positional relationship between the air passage and each storage room in the refrigerator according to the second embodiment of the present invention
  • FIG. It is sectional drawing which shows arrangement
  • a damper device 141b is provided in the suction port 126 for returning the cold air from the vegetable compartment 108 to the cooling compartment 110.
  • the damper device can be opened and closed. When the damper device is open, not only the cool air in the vegetable compartment is sent to the cooling chamber, but also the mist generated in the spraying device 131 is sent to the cooling chamber, and the refrigerator compartment 104 is passed through the air passage. Mist spreads to all storage rooms.
  • the damper device 141b is provided at the suction port 126 for returning the indoor cold air of the vegetable compartment 108 provided with the spray device 131 to the cooling chamber 110, the generated mist Distribution to each storage room can be controlled more accurately.
  • the mist spray amount in the vegetable compartment 108 provided with the spray device 131 can be easily adjusted, and can be implemented by a simple operation of opening and closing the damper device 141b according to the amount of the mist spray amount.
  • This isobutane which is a hydrocarbon, has a specific gravity approximately twice that of cold air at room temperature and atmospheric pressure. If isobutane, which is a flammable refrigerant, leaks from the refrigeration system when the compressor 109 is stopped, it is more than cold air. Because it is heavy, it will stay downward. Therefore, even if isobutane leaks from the cooler 112 to the vegetable compartment 108, since the spraying device 131 is installed on the top surface of the vegetable compartment 108, the possibility that the vicinity of the spraying device 131 becomes a flammable concentration is extremely reduced. Therefore, safety can be secured even when a high voltage is applied to the spray device 131.
  • a damper device 241 is provided in the air passage 141 to adjust the air volume in the air passage.
  • the air temperature to the refrigerator compartment 104 is adjusted so that the room temperature falls within a predetermined temperature range.
  • the dedicated section is formed by an outer case 127 that covers the spraying device, and the inner space of the outer case 127 cools air from the vegetable compartment 108, which is a storage room provided with the spraying device 131, to the air passage 141. It communicates with the return inlet.
  • the spraying device 131 sprays mist using condensed water generated by condensing moisture in the air, and is mainly an atomizing unit 139, a voltage applying unit 133, and a cooling that is a heat transfer cooling member.
  • a humidity supply port 138 is provided in the outer case 127.
  • the shape of the cooling pin 134 may be a rectangular parallelepiped or a regular polygon. In the case of these polygons, positioning is easier than a cylinder, and the spray device 131 can be provided at an accurate position.
  • the cooling pin 134 has a protruding portion 134 a that protrudes from the inside of the heat insulating material 152 in a convex shape toward the freezing chamber 107.
  • the protruding surface 134a has no heat insulating material on the front end surface and the periphery thereof, and the inner wall formed of a resin such as ABS serving as the freezer compartment wall also extends in a convex manner toward the refrigerator compartment 107 side. Since the freezing chamber 107 is a drawer-type storage chamber, the extending portion is arranged so that it is not visible to the user even when the door is opened by an internal storage container.
  • the temperature of the freezing chamber 107 is ⁇ 22 ° C. to ⁇ 15 ° C.
  • the entire cooling pin 134 can be cooled more effectively. Or the structure of exposing the front-end
  • the cooling pin 134 may be embedded in the heat insulating material 152, but in this case, the cooling effect of the cooling pin 134 is smaller than that in the present embodiment.
  • a disk-shaped counter electrode 136 having a hollow donut-shaped interior on the storage chamber (vegetable chamber 108) side at a position facing the atomizing portion 139 maintains a certain distance from the tip of the atomizing portion 139. As installed.
  • the air passage 141 through which cool air flows from the cooler 112 to each storage chamber is referred to as a discharge air passage 141a, and the air passage through which cold air flows from the storage chamber to which the cool air is written after cooling each storage chamber to the cooler 112.
  • 141 is a suction air passage 141b, and a simple structure of the air passage 141 is shown in FIG.
  • the cold air heat-exchanged in the cooling chamber 110 is supplied to the freezing chamber 107, the switching chamber 105, and the ice making chamber 106, and the damper device 241 provided in the discharge air passage 141 a that flows from the cooler 112 to the refrigerating chamber 104.
  • cold air is supplied to the refrigerator compartment 104.
  • the cold air that has passed through the damper device 241 is supplied to the vegetable compartment 108 through the air passage 141 that goes into the refrigerator compartment 104 and the discharge air passage 141 a that leads to the branched vegetable compartment 108.
  • the cool air after cooling each storage room returns to the cooling room 110 again through the suction air passage 141b, and the refrigerator is cooled to a predetermined temperature by repeating this cycle.
  • the cold air circulated through the vegetable chamber 108 returns to the cooling chamber 110 through the suction port 126 which is the entrance to the suction air passage 141b.
  • the spraying device 131 is an outer section which is a dedicated section.
  • the outer case 127 is provided with a moisture supply port 138 that is an opening for taking in high-humidity cold air from the vegetable compartment 108.
  • the high-humidity cold air that has been taken in is cooled by the atomization section 139 that has become below the dew point due to heat conduction from the freezing temperature zone, and is condensed and sprayed with mist. At this time, after the sprayed mist is filled in the exclusive section, whether it is supplied to the vegetable room 108 or another storage room is changed by the diversion means.
  • the flow dividing means is provided with a fan 203, and the storage chamber for supplying mist is switched depending on whether the fan 203 is activated or not.
  • the mist filled in the dedicated section is supplied into the vegetable compartment 108 through the opening 147, and the fan 203 is operating. Since the outer case 127 is connected to the suction port 126, the mist is transported to the cooling chamber 110 through the suction port 126 and the air passage 141, and rides on the flow of cold air flowing to the discharge air passage 141a through the cooling chamber. And supplied to each storage room of the refrigerator 100.
  • suction port cover 126a is connected to the suction port 126 so that the cool air of the vegetable chamber 108 is taken in from the opening 147 and is conveyed to the cooling chamber 110 through the suction port 126 and the suction air passage 141b.
  • the outer case 127 and the suction port cover 126a are in communication with each other.
  • the outer case 127 may also serve as the suction port cover 126a.
  • the moisture supply port 138 can also serve as the opening 147.
  • Cold air in the freezing temperature zone in the freezer compartment 107 which is a cooling means for cooling the cooling pins 134, is generated by the cooler 112 by the operation of the cooling system, and cool air of about ⁇ 15 to ⁇ 25 ° C. flows through the fan 203 and is transmitted.
  • the cooling pin 134 as a heat cooling member is cooled to about 0 to ⁇ 10 ° C., for example.
  • the cooling pin 134 is a good heat conduction member, it is very easy to transmit cold heat, and the atomizing portion 139 is also indirectly cooled to about 0 to ⁇ 10 ° C. via the cooling pin 134.
  • the temperature of the vegetable compartment 108 is 2 ° C. to 7 ° C.
  • the temperature of the cooling pin 134 on the side of the vegetable compartment 208 is 10 ° C. or more with the surrounding air, and the humidity is relatively high due to transpiration from the vegetables. Since it is in the state, the atomization part 139 becomes below the dew point temperature, water is generated in the atomization part 139, and water droplets adhere.
  • a high voltage (for example, 4 to 10 kV) is applied to the atomizing unit 139 to which water droplets have adhered by the voltage applying unit 133 to cause corona discharge, and the water droplets at the tip of the atomizing unit 139 are refined by electrostatic energy, It becomes. Furthermore, since the droplets are charged, ozone, OH radicals, and the like are generated simultaneously with nano-level fine mist having a charge of several nanometers due to Rayleigh splitting.
  • the fan 203 is periodically turned on / off in order to supply the cool air generated in the cooling chamber 110 to all the storage rooms.
  • the fan 203 operates when it is on, and the fan 203 stops when it is off. It will be in the state.
  • damper device 241 as a diversion unit is periodically opened and closed to distribute the cold air generated in the cooling chamber 110 to the refrigerator compartment 104 and the vegetable compartment 108, and accompanying this opening and closing, the refrigerator compartment 104 and the vegetable compartment 108. It becomes possible to switch the mist supply to.
  • the mist generated at this time is taken into the cooling chamber 110 through the suction port 126.
  • mist is supplied to the freezing chamber 107, the switching chamber 105, and the ice making chamber 106 that communicate with the cooling chamber 110.
  • the damper device 241 is open, the mist is supplied to the refrigerator compartment 104 through the discharge air passage 141a.
  • the spray device 131 is housed in the outer case 127 provided in the dedicated compartment in the vegetable compartment 108, and the outer case 127 is transferred from the vegetable compartment 108 to the cooling chamber 110.
  • a water supply port 138 that is an opening is provided on the surface of the outer case 127 that faces the vegetable compartment 108, and is connected to a suction port 126 that returns the indoor cool air.
  • the storage chamber for supplying mist is switched depending on whether or not the fan 203 which is a flow dividing unit is operated.
  • the fan 203 which is a flow dividing unit is operated.
  • the vegetable chamber 108 which is a storage chamber provided with a spraying device. In the case where the mist is sprayed and the fan 203 is operating, the mist is sprayed to a storage chamber other than the storage chamber provided with the spraying device.
  • the mist can be diverted by forced convection in the cold air flow, and the mist can be supplied to any storage room as required with a simple configuration. Can be performed.
  • supply of the mist to the vegetable compartment 108 provided with the spraying device 131 is performed mainly when the fan 203 does not operate through the moisture supply port 138 provided in the outer case 127 forming the dedicated section.
  • the generated fine mist contains ozone, OH radicals, etc., and these oxidizing powers deodorize the vegetable compartment 108.
  • harmful substances such as agricultural chemicals and wax adhering to the surface of vegetables can be oxidatively decomposed and removed.
  • a suction port cover 126a that covers the suction port 126 that returns the indoor cold air of the vegetable chamber 108 provided with the spraying device 131 to the cooling chamber 110 and has a moisture supply port 138 is provided.
  • the outer case 127 that houses the spray device 131 and the suction port cover 126a are connected.
  • the suction port cover 126a for regularly sending cool air to the cooling chamber 110 and the spray device 131 are housed, and the high humidity in the vegetable compartment 108 is stored from the moisture supply port 138. Since cold air is taken in and condensed water is generated, not only the storage room equipped with mist, but also a dedicated section for supplying a sufficient amount of mist to other storage rooms will be pursued. Accordingly, it is possible to optimize the shape and size of the main body and the opening of the outer case 127 and the suction port cover 126a.
  • the return air passage from the cooling chamber 110 to the storage chamber has the damper device 241 that can be opened and closed. Since the mist may be sprayed by the spray device when the device 241 is open, the generated mist is other than the vegetable compartment 108 provided with the spray device 131 through the air passage 141 when the damper device 241 is open. The mist can also be supplied to the refrigerator compartment 104 of the refrigerator.
  • the supply of mist to the vegetable compartment 108 provided with the spraying device 131 is mainly performed by the damper device 241 through the moisture supply port 138 provided in the outer case 127 and the opening 147 provided in the suction port cover 126a. Performed when closed.
  • the storage room in which the mist is sprayed by the spraying device 131 is the vegetable room 108, but the storage room in other temperature zones such as the refrigerator room 104 and the switching room 105.
  • the storage room in other temperature zones such as the refrigerator room 104 and the switching room 105.
  • FIG. 4 is a cross-sectional view showing the arrangement of the suction cover and the outer case in the refrigerator according to the fourth embodiment of the present invention
  • FIG. 14 is a top view of the vegetable compartment in the refrigerator according to the fourth embodiment of the present invention
  • FIG. It is a three-dimensional view showing the structure of the outer cover in the refrigerator according to the fourth embodiment.
  • the outer casing 127 has a moisture supply port 142 as an opening on the upstream side with respect to the spraying device 131 and a mist discharge port 143 as an opening on the downstream side.
  • upstream and downstream are described according to the flow of cold air, and those located far from the suction port cover 126a are the upstream side, and those located on the other side, that is, the storage chamber side, are the downstream side.
  • the outer case 127 is connected to the suction port cover 126 a at the connection portion 147, and mist generated in the spray device 131 when the fan 203 is operated is sucked into the suction port 126, and then the refrigerator 100. Will spread to all rooms.
  • the internal structure of the outer case 127 in the present embodiment is as shown in FIG. 15, which houses the spray device 131 and the control board 144, and is attached to the moisture supply port 142, the mist discharge port 143 and the refrigerator 100.
  • Various ribs for securing the strength of the outer case 127 are configured.
  • the butyl tape 145 and the aluminum tape 146 are stuck on the upper surface of the cooling pin 134 of the spraying device 131, and the aluminum tape 146 is in contact with the bottom surface of the freezer compartment 107.
  • the butyl tape 145 is affixed for the purpose of absorbing dimensional tolerances in order to attach the cooling pins 134 without gaps.
  • the aluminum tape 146 is applied to the middle portion of the cooling pin 134 to reduce the influence of the temperature gradient formed in the butyl tape 145, and the cold air in the freezer compartment 107 is effectively used to effectively use the lower mist 139. Let it cool down.
  • the water supply port 142 and the mist discharge port 143 are each composed of a plurality of holes, and in this embodiment, the dimensions of the holes are both rectangles of 12 mm length and 4 mm width. With such a size, the user does not accidentally put a finger or the like inside the outer case 127 even during operation of the refrigerator 100, so there is a concern that the user may be electrocuted by the voltage applied by the spray device 131. Absent.
  • the control board 144 has a high voltage application unit 133 and has a role of periodically turning on / off the high voltage between the atomization unit 139 and the counter electrode 136.
  • the outer case 127 is provided with the moisture supply port 142 and the mist discharge port 143 communicating with the storage chamber 108, and the moisture supply port 142 is upstream of the spray device 131. Since the mist discharge port 143 is provided on the downstream side with respect to the spraying device 131, the mist that diffuses in all directions in the outer case 127 is mainly supplied when the fan 203 is stopped. It can be supplied to the storage chamber 108 from the mouth 142 and the mist discharge port 143.
  • the amount of mist supplied to the storage chamber 108 provided with the spray device 131 can be adjusted by the size of the area of the mist discharge port 143, and excessive mist diffusion to other storage chambers can be suppressed. , Mist diffusion balanced in all the refrigerator rooms is realized.
  • high-humidity cold air in the storage chamber 108 is taken in from the moisture supply port 142 and the mist discharge port 143, but the flow of wind flows from the moisture supply port 143 to the mist discharge port.
  • the high-humidity cold air supplied to 131 is only that taken in from the water supply port 142, but if the high-humidity cold air taken in from the water supply port 142 increases in wind speed, condensation cannot be generated in the spray device 131. There is.
  • mist discharge port 143 since the mist discharge port 143 is installed, it is possible to adjust the spray device 131 so as to generate dew condensation by reducing the wind speed of the high-humidity cold air taken in from the moisture supply port 142. Spray stability can be increased.
  • FIG. 16 is a sectional view showing the arrangement of the suction cover and the outer case in the refrigerator according to the fifth embodiment of the present invention
  • FIG. 17 is a top view of the vegetable compartment in the refrigerator according to the fifth embodiment of the present invention
  • FIG. 19 is a three-dimensional view showing a shape example of the mist diffusion adjusting material in the refrigerator according to the fifth embodiment of the present invention.
  • a mist diffusion adjusting material 148 is provided at the connection portion 147 of the outer case 127 so as to reduce the cross-sectional area of the connection portion 147, and is generated in the spray device 131.
  • the mist diffuses in the direction of the suction port 126 when the fan 203 is operating, it becomes a barrier, and the amount of mist diffusion is adjusted.
  • the mist discharge port 143 is provided.
  • the mist distribution adjusting material 148 can adjust the mist distribution amount to each storage room such as the refrigerator compartment 104 and the vegetable compartment 108, the mist The discharge port 143 can also be omitted.
  • the action of the mist diffusion adjusting material 148 suppresses the diffusion of the mist generated in the spray device 131 in the direction of the suction port 126, and the shape is not limited as long as the cross-sectional area of the connecting portion 147 can be reduced. Absent.
  • the mist diffusion adjusting material 148 has a rectangular plate shape, but may be an L-shaped mist diffusion adjusting material 148a or a mist diffusion adjusting material 148b having an opening 149 as shown in FIG.
  • the moisture supply port 142 is provided on the upstream side with respect to the spraying device 131, and the mist diffusion adjusting material 148 is provided on the downstream side with respect to the spraying device 131.
  • the mist diffusion adjusting material 148 becomes a barrier, diffusion in the suction port 126 direction is suppressed, and excessive mist diffusion to the freezer compartment 107, the refrigerator compartment 104, and the like can be suppressed.
  • a balanced mist diffusion is realized for all the refrigerator rooms.
  • FIG. 20 is a longitudinal sectional view of a part of the refrigerator in the sixth embodiment of the present invention.
  • the vegetable compartment is installed in the second storage room of the refrigerator room in the arrangement configuration of the storage room.
  • the outer shell case 127 forming the dedicated compartment 510 has a vegetable compartment 108 side that is always in communication with the dedicated compartment 510 as a storage room provided with the spray device 131, and a vegetable room as an adjacent second storage room.
  • a refrigerating room which is a storage room having a temperature difference of less than about 10 ° C., is provided in a partition wall.
  • the spraying device 131 having such a water tank is provided in an outer case 127 that forms a dedicated section. Further, the inside of the outer case communicates with the air passage 141, and the mist stored in the dedicated section is diverted to a storage room other than the vegetable compartment 108 which is a storage room provided with the spray device 131 via the air passage 141. Can be supplied by.
  • the spray device 131 is provided in the partition wall between the storage chambers, it is uniquely determined which storage chamber is the storage chamber in which the spray device 131 is provided.
  • the opening 143 that is always in communication as in the present embodiment is on the vegetable compartment 108 side, and a large amount of mist is sprayed on the vegetable compartment 108 by natural diffusion. Is defined as the vegetable compartment 108.
  • the diversion method by the diversion means is configured to switch the storage chamber for supplying mist depending on whether the fan 203 provided in the air passage 141 is operated or to supply the mist by opening / closing the damper device 241.
  • a configuration in which the storage room is switched can be applied.
  • the dedicated space can be provided by making good use of the dead space between the storage rooms, and the dedicated space does not affect the internal volume of the storage room, and the storage capacity is larger.
  • a refrigerator equipped with can be realized.
  • atomization by corona discharge can be performed using the water tank 501 even if it is not a dew condensation system.
  • the temperature difference between the storage chamber provided with the spray device 131 and the second storage chamber is less than 10 ° C., but 10 ° C. to 20 ° C. such as a refrigeration temperature zone and a freezing temperature zone.
  • the dedicated section communicates with the suction port for returning the cold air from the storage chamber to the air passage
  • the interior of the partition wall is defined as the second storage chamber.
  • the water tank 501 is provided between the second storage chambers and is detachable so that the user can supply water.
  • automatic ice making provided in the refrigerator compartment 104 It is also possible to supply water to the tank automatically by branching off from the tank for use, and it is possible to provide a spraying device 131 that saves the trouble of water supply and is convenient for the user.
  • FIG. 23 is a front view of the refrigerator according to Embodiment 7 of the present invention
  • FIG. 24 is a longitudinal sectional view showing a section when the refrigerator according to Embodiment 7 of the present invention is cut left and right.
  • a cooling room 110 for generating cold air is provided on the back of the vegetable room 108 and the freezing room 107.
  • the cooling chamber 110 and each storage chamber are provided with a discharge air passage 141 for conveying cold air and a suction air passage 142 for returning the cold air from each storage chamber to the cooling chamber.
  • the vegetable room discharge air passage 141 a discharges cold air to the vegetable room, and the vegetable room suction air passage 142 is provided in the vegetable room 108.
  • the cold air cooled by the cooler 112 in the cooling chamber 110 passes through the vegetable chamber discharge air passage 141a and is sent to the vegetable chamber 108 by the fan 113.
  • a damper 130 is provided in the middle of the vegetable chamber discharge air passage 141a. Is provided.
  • a lower storage container 119 placed on a frame attached to a drawer door 118 of the vegetable compartment 108 and an upper storage container 120 placed on the lower storage container 119 are arranged.
  • the cold air cooled by the cooler 112 passes through the vegetable compartment discharge air passage 141 a and is discharged, and the discharged cold air is discharged to the cooling chamber 110.
  • a vegetable room suction port 142a for returning and a vegetable room suction port 144 are provided as the suction port.
  • a spray device 131 is provided on the top of the vegetable compartment 108.
  • the vegetable compartment 108 has a structure in which mist is sprayed directly from the spraying device 131.
  • the vegetable room 108 is provided with a mist transporting path 146 that is an indirect supply path through which the mist supplied from the spraying device 131 can be indirectly supplied to the refrigeration room 104, the switching room 105, the ice making room 106, and the freezing room 107.
  • the mist passes through the mist transport path 146 and is indirectly sprayed.
  • the mist transporting path 146 is provided with a mist suction port for sucking mist generated from the spray device 131 into the mist transporting path 146, and is sucked into the refrigerator compartment 104, the switching chamber 105, the ice making chamber 106, and the freezer compartment 107.
  • a mist discharge port for discharging the mist is provided.
  • the mist transporting path 146 is provided with a fan 147 as a diversion control means for distributing mist sprayed indirectly to the vegetable compartment 108, the refrigerator compartment 104, the switching compartment 105, the ice making compartment 106, and the freezing compartment 107. .
  • the amount of mist sprayed directly onto the vegetable compartment 108 and the amount of mist indirectly sprayed onto the refrigerator compartment 104, the switching chamber 105, the ice making compartment 106, and the freezer compartment 107 can be adjusted by the air volume of the fan.
  • a damper 148 is provided at the mist discharge port to the switching chamber 105, the ice making chamber 106, and the freezing chamber 107 as a flow dividing means for distributing mist sprayed indirectly. By opening and closing the damper, the amount of mist distributed to the refrigerator compartment 104, the switching compartment 105, the ice making compartment 106, and the freezing compartment 107 can be adjusted.
  • the mist generated from the spray device 131 is generated by electrostatic atomization. Furthermore, since this mist is generated by an electrostatic atomization method, it contains OH radicals and ozone. Therefore, it is possible to suppress an increase in the number of microorganisms such as mold, yeast, and viruses adhering to the surface of the food material, food container, and the like stored in each storage room due to these strong oxidizing powers Has the function of
  • the vegetable compartment 108 is cooled by the cold air cooled by the cooler 112, but the cold air that cools the vegetable compartment 108 is blown by the fan 113, passes through the discharge air passage 141, and is fractionated from the middle of the discharge air passage 141. It passes through the vegetable room damper 130a through the vegetable room discharge air passage 141a and flows into the vegetable room 108 from the vegetable room discharge port 143.
  • the cold air flowing into the vegetable compartment 108 circulates around the outer periphery of the lower storage container 119, cools the lower storage container 119, is sucked in through the vegetable compartment suction port 144, passes through the vegetable compartment suction air passage 142a, and then enters the cooling chamber. Return to 110 again.
  • the mist sprayed from the spray device 131 is indirectly sprayed into the refrigerating chamber 104 through the mist transporting path 146 by the operation of the fan 147 serving as a flow dividing means.
  • the mist supplied by the spraying device is sprayed to the refrigerator compartment 104 and the refrigerator compartment 104 by the fan 147 of the flow dividing means.
  • the transition of ozone concentration in the refrigerator compartment 104 and the refrigerator compartment 104 at that time is schematically shown. This will be described with reference to FIG.
  • the mist released from the spray device 131 contains the same ratio of OH radicals and ozone, the ozone concentration is measured as the mist concentration.
  • the spraying device 131 is always operating in the refrigerator 100.
  • the mist when the fan 147 is operating by the fan 147 of the mist distributor, the mist is indirectly sprayed to the refrigerator compartment 104, and when the fan 147 is stopped, it is sprayed directly to the vegetable compartment 108. .
  • the mist is intermittently sprayed from the spraying device to the refrigerator compartment 104 and the vegetable compartment 108.
  • the supply amount of the mist is controlled so that the maximum ozone concentration in the refrigerator compartment 104 and the vegetable compartment 108 is about 0.02 ppm.
  • the minimum ozone concentration is controlled to be 0.001 ppm or less.
  • the ozone concentration in the refrigerator compartment 104 and the vegetable compartment 108 is different in concentration due to the mist that is sprayed intermittently, and mold and bacteria adhered to the walls of the refrigerator compartment 104 and the vegetable compartment 108 and the surface of food, etc. Stress due to the difference in mist concentration is given to microorganisms such as yeast and viruses.
  • the evaluation bacteria were Staphylococcus aureus that is a human skin resident bacteria and highly likely to act as food poisoning bacteria. The sterilization period was 48 hours.
  • the BOX with the ozone concentration varied from 0 to 0.02 ppm rather than a constant concentration of ozone and stressed the concentration difference to the bacteria, resulted in a higher sterilization rate.
  • the oxidizing power of OH radicals can cause bacteria, mold, yeast, viruses, etc. The ability of decomposing microorganisms can be improved.
  • the vegetable compartment 108 by providing the vegetable compartment 108 with the spray device 131, the vegetable compartment 108 can be directly sprayed with mist, and further, a mist transporting path which is a mist supply means. 146 is provided, and the operation and stop of the fan 147 by the mist conveying means are repeated intermittently, so that the mist can intermittently indirectly spray the mist to the refrigerator compartment 104 through the mist conveying path 146.
  • a mist transporting path which is a mist supply means. 146 is provided, and the operation and stop of the fan 147 by the mist conveying means are repeated intermittently, so that the mist can intermittently indirectly spray the mist to the refrigerator compartment 104 through the mist conveying path 146.
  • the damper 148 is not necessarily required, and it is possible to adjust the distribution amount of the mist according to the opening area of the mist discharge port.
  • the mist transporting path 146 has the same effect even when the air path of the refrigeration cycle is used, and the mist can be indirectly sprayed to the refrigerating room 104, the switching room 105, the ice making room 106, and the freezing room 107.
  • the mist transporting path 146 since the mist transporting path 146 is not specially installed, the number of parts of the refrigerator can be reduced, and the space of the refrigerator can be effectively used.
  • the fan 147 which is a diversion unit also has an effect of diverting mist in the same manner as the fan 113 for circulating cold air in the refrigeration cycle.
  • the damper 148 serving as a diverter is used as the vegetable compartment damper 130, it has the effect of diverting the mist.
  • the direct spraying and indirect spraying defined in the present invention are direct spraying when the mist is sprayed only through the air passage inside the storage room and not through the air passage outside the storage room, and the mist transporting path which is an air passage outside the storage room.
  • the case where mist is supplied through 146 is referred to as indirect spraying.
  • mist transporting path 146 in the vicinity of the spraying device 131, it becomes possible to efficiently supply the mist generated from the spraying device 131 to the mist transporting path 146, and it has an effect that it becomes easier to spray indirectly. .
  • FIG. 28 is a longitudinal sectional view of the refrigerator in the eighth embodiment of the present invention
  • FIG. 29 is a perspective view of the vegetable compartment in the refrigerator in the eighth embodiment of the present invention.
  • a dedicated section 150 is provided on the top of the vegetable compartment 108.
  • a dedicated section opening 151 is provided as an opening on the surface in contact with the vegetable compartment 108.
  • the dedicated section 150 has a structure installed in a state where it is connected to the vegetable room suction air passage 142 a by the dedicated section connecting portion 152. (See FIG. 25)
  • a spray device 131 is provided in the dedicated section 150, and the mist generated from the spray device 131 is stored in the dedicated section 150.
  • the mist stored in the dedicated section 150 is supplied to the vegetable room suction air passage 142a through the dedicated section connecting portion 152. Further, the mist is also supplied to the vegetable compartment 108 through the dedicated partition opening 151.
  • the refrigeration cycle is operated by a signal from a control board (not shown) according to the set temperature in the cabinet, and the cooling operation is performed.
  • the vegetable compartment 108 is cooled by the cold air cooled by the cooler 112, but the cold air that cools the vegetable compartment 108 is blown by the fan 113, passes through the discharge air passage 141, and is fractionated from the middle of the discharge air passage 141. It passes through the vegetable room damper 130a through the vegetable room discharge air passage 141a and flows into the vegetable room 108 from the vegetable room discharge port 143.
  • the cold air flowing into the vegetable compartment 108 circulates around the outer periphery of the lower storage container 119, cools the lower storage container 119, is sucked in through the vegetable compartment suction port 144, passes through the vegetable compartment suction air passage 142a, and then enters the cooling chamber. Return to 110 again.
  • the spraying device 131 is always operating and is controlled so as to always store mist in the dedicated section 150. For this reason, the mist stored in the dedicated compartment 150 is sprayed directly to the vegetable compartment 108 via the exclusive compartment opening 151, and always to the vegetable compartment suction port 144 via the exclusive compartment connecting portion 152. Have been supplied. By this control, the mist is always directly sprayed in the vegetable compartment 108.
  • the mist is supplied from the exclusive compartment 150 to the vegetable compartment intake air passage 142a via the exclusive compartment connecting portion 152.
  • the supplied mist is And flows into the cooling chamber 110. And it will be supplied to the refrigerator compartment 104, the switching room 105, the ice making room 106, the vegetable compartment 108, and the freezer compartment 107 which are each storage room of the refrigerator 100 by the fan, and will be indirectly sprayed. .
  • the mist While this refrigeration cycle is in operation and cold air is flowing into the vegetable compartment 108, the mist is actively and indirectly sprayed to each storage compartment of the refrigerator 100 other than the vegetable compartment 108, and the vegetable compartment becomes a temperature below the objective temperature range and the vegetable compartment.
  • the mist When the inflow of cold air to 108 stops, the mist is positively sprayed directly into the vegetable compartment 108. In this way, the mist is sprayed directly and indirectly from the dedicated section 150 to each storage chamber.
  • the mist released from the spray device 131 contains the same ratio of OH radicals and ozone, the ozone concentration may be measured as the mist concentration.
  • the fan 113 is periodically turned on / off in order to supply the cool air generated in the cooling chamber 110 to all the storage rooms, and the fan 113 operates when turned on, and the fan 113 stops when turned off. It will be in the state.
  • the damper 130 and the damper 130a are periodically opened and closed at the same timing to distribute the cold air generated in the cooling chamber 110 to the refrigerator compartment 104, and when the temperature of the refrigerator compartment 104 and the vegetable compartment 108 is higher than a predetermined temperature. Open and supplying cool air.
  • the mist generated from the spray device 131 is taken into the cooling chamber 110 through the suction port 144 and is also mist into the freezing chamber 107, the switching chamber 105, and the ice making chamber 106. Is supplied. At this time, since the damper 130 is open, the mist is supplied to the refrigerator compartment 104 through the air passage 141.
  • mist is indirectly sprayed into the refrigerator compartment 104. Further, since the sprayed mist is limited to when the fan is operating and the damper 130 and the damper 130a are open, indirect spraying stops when the damper is closed. In this way, mist is intermittently supplied to the refrigerator compartment 104.
  • the mist is supplied directly into the vegetable compartment 108 when the damper 130 and the damper 130a are closed regardless of whether the fan 113 is operating or not.
  • the mist is sprayed directly from the spray device to the vegetable compartment 108, so that the mist is also intermittently supplied to the vegetable compartment 108. Will do.
  • the supply amount of the mist is controlled so that the maximum ozone concentration in the refrigerator compartment 104 and the vegetable compartment 108 is about 0.02 ppm.
  • the minimum value of the ozone concentration is controlled to be 0.001 ppm or less.
  • the ozone concentration in the refrigerator compartment 104 and the vegetable compartment 108 is different in concentration due to the mist that is sprayed intermittently, and mold and bacteria adhered to the walls of the refrigerator compartment 104 and the vegetable compartment 108 and the surface of food, etc. Stress due to the difference in mist concentration is given to microorganisms such as yeast and viruses.
  • the dedicated section 150 is provided with the dedicated section opening, and the dedicated section 150 is adjacent to the vegetable room suction air passage 142a, so that the mist sprayed from the spray device 131 is used.
  • Oxidation of OH radicals and ozone contained in the mist suppresses the increase of microorganisms such as mold, bacteria yeast, and viruses attached to the wall surfaces, air, and vegetable surfaces of all storage compartments of refrigerators, and odor
  • the components can be decomposed.
  • the dedicated section 150 has a structure adjacent to the vegetable room suction air passage 142a.
  • the present invention is not limited to this, and the same may be provided in the vicinity of the vegetable room suction port 144. It works.
  • FIG. 32 is a longitudinal sectional view of a refrigerator according to Embodiment 9 of the present invention
  • FIG. 33 is a sectional view of essential parts of a spraying device in the refrigerator according to Embodiment 9 of the present invention
  • FIG. 34 is a refrigerator according to Embodiment 9 of the present invention.
  • FIG. 35 is a cross-sectional view showing the arrangement of the suction cover and the outer case in the refrigerator according to the ninth embodiment of the present invention
  • FIG. 36 is a ninth embodiment of the present invention.
  • FIG. 37 is a timing chart showing a control pattern of the spraying device in the refrigerator according to the ninth embodiment of the present invention
  • FIG. 38 is a mist effect in the refrigerator according to the ninth embodiment of the present invention. It is explanatory drawing which shows the decoloring rate required in order to express.
  • the suction port 126 can be interpreted as an opening that leads to a storage room (refrigeration room 104, freezing room 107) in which the spraying device 131 is not provided.
  • the dedicated section is formed by an outer case 127 that covers the spraying device, and the inner space of the outer case 127 cools air from the vegetable compartment 108, which is a storage room provided with the spraying device 131, to the air passage 141. It communicates with the return inlet.
  • the spraying device 131 sprays mist using condensed water generated by condensing moisture in the air, and is mainly an atomizing unit 139, a voltage applying unit 133, and a cooling that is a heat transfer cooling member.
  • a water supply port 138 is provided in the outer case 127.
  • the cooling pin 134 has a protruding portion 134 a that protrudes from the inside of the heat insulating material 152 in a convex shape toward the freezing chamber 107.
  • the tip surface and the periphery of the projecting portion 134a are not provided with a heat insulating material, and the inner wall formed of a resin such as ABS serving as a freezer compartment wall also extends in a convex shape toward the refrigerator compartment 104 side. Since the freezing chamber 107 is a drawer-type storage chamber, the extending portion is arranged so that it is not visible to the user even when the door is opened by an internal storage container.
  • the cool air in each storage chamber is structured to return to the cooling chamber 110 through the air passage 141 when the fan 203 is operated.
  • the returned cold air passes through the cooler 112, it is heat-exchanged and cooled, and is supplied to each storage room through an air passage.
  • the cold air heat-exchanged in the cooling chamber 110 is supplied to the freezing chamber 107, the switching chamber 105, and the ice making chamber 106, and the damper device 241 provided in the discharge air passage 141 a that flows from the cooler 112 to the refrigerating chamber 104.
  • cold air is supplied to the refrigerator compartment 104.
  • the cold air that has passed through the damper device 241 is supplied to the vegetable compartment 108 through the air passage 141 that goes into the refrigerator compartment 104 and the discharge air passage 141 a that leads to the branched vegetable compartment 108.
  • the cool air after cooling each storage room returns to the cooling room 110 again through the suction air passage 141b, and the refrigerator is cooled to a predetermined temperature by repeating this cycle.
  • the cold air circulated through the vegetable chamber 108 returns to the cooling chamber 110 through the suction port 126 which is an entrance to the suction air passage 141b.
  • the spray device 131 is an outer section which is a dedicated section.
  • the outer case 127 is provided with a moisture supply port 138 that is an opening for taking in high-humidity cold air from the vegetable compartment 108.
  • the high-humidity cold air that has been taken in is cooled by the atomization section 139 that has become below the dew point due to heat conduction from the freezing temperature zone, and is condensed and sprayed with mist.
  • Cold air in the freezing temperature zone in the freezer compartment 107 which is a cooling means for cooling the cooling pins 134, is generated by the cooler 112 by the operation of the cooling system, and cool air of about ⁇ 15 to ⁇ 25 ° C. flows through the fan 203 and is transmitted.
  • the cooling pin 134 as a heat cooling member is cooled to about 0 to ⁇ 10 ° C., for example.
  • the temperature of the vegetable compartment 108 is 2 ° C. to 7 ° C.
  • the temperature of the cooling pin 134 on the side of the vegetable compartment 108 is 10 ° C. or more with the surrounding air, and the humidity is relatively high due to transpiration from the vegetables. Since it is in the state, the atomization part 139 becomes below the dew point temperature, water is generated in the atomization part 139, and water droplets adhere.
  • a high voltage (for example, 4 to 10 kV) is applied to the atomizing unit 139 to which water droplets have adhered by the voltage applying unit 133 to cause corona discharge, and the water droplets at the tip of the atomizing unit 139 are refined by electrostatic energy, It becomes. Furthermore, since the droplets are charged, ozone, OH radicals, etc. are generated simultaneously with nano-level or pico-level fine mist having a charge of several nm level due to Rayleigh splitting.
  • the mist diffused in the vegetable compartment 108 mainly acts on the vegetables in the warehouse to increase nutrients such as vitamin C and prevent the low temperature damage.
  • mist diffused in the refrigerator compartment 104 mainly acts on the bacteria present in the warehouse, and a sterilizing effect is expected.
  • Indigo carmine is the mist concentration necessary for expressing the expected effect in the storage room, that is, the mist concentration necessary for expressing the effect on vegetables and the mist concentration necessary for expressing the sterilization effect.
  • FIG. 38 shows the decoloration rate of the aqueous solution.
  • the indigo carmine aqueous solution reacted with ozone and OH radicals contained in the mist to cause a decolorization reaction, and the mist concentration was quantified by measuring the decolorization rate.
  • indigo carmine aqueous solution 10 g is put in a container (in this embodiment, a plastic petri dish having an inner diameter of 53 mm), and the container is placed in the refrigerator compartment 104 and the vegetable compartment 108 for measuring the mist concentration.
  • the container was taken out from the vegetable compartment 108, and the absorbance of the indigo carmine aqueous solution was measured with an ultraviolet-visible spectrophotometer (manufactured by JASCO Corporation: UV-245).
  • the containers containing the indigo carmine aqueous solution are placed in the refrigerator compartment 104 in the open state without covering the center of the three shelves, and the container is distributed in the vegetable compartment 108 on the front, rear, left and right sides of the storage container 119.
  • the six containers are respectively arranged in an open state without a lid.
  • the decolorization rate is defined as the decolorization rate obtained by dividing the amount of change with respect to the absorbance of the blank indigo carmine aqueous solution not arranged in the refrigerator by the absorbance of the blank indigo carmine aqueous solution.
  • a container containing a blank indigo carmine aqueous solution is also placed in the same temperature and humidity environment as the refrigerator compartment 104 and the vegetable compartment 108.
  • the decolorization rate of the refrigerator compartment 104 is the average value of the measurement results of the three containers, and the decolorization rate of the vegetable compartment 108 is the average value of the measurement results of the 12 containers.
  • the decolorization rate necessary to develop the sterilization effect is larger than the decolorization rate necessary to develop the effect on vegetables, and the absorbance measurement of the indigo carmine aqueous solution in the refrigerator 100 of the present embodiment.
  • the decolorization rates in the vegetable compartment 108 and the refrigerator compartment 104 exceeded the numerical values in FIG. 42, and the decoloration ratio in the refrigerator compartment 104 was higher than the decoloration percentage in the vegetable compartment 108.
  • the mist concentration in the refrigerator compartment 104 is higher than the mist concentration in the vegetable compartment 108.
  • the inside environment of the vegetable compartment 108 where the spraying device 131 is installed is about 5 ° C., the relative humidity is about 70% to 90%, and converted to absolute humidity, which is 4.77 to 6.14 g / m 3, which is refrigerated.
  • the internal environment of the chamber 104 is about 5 ° C. and the relative humidity is about 10% to 20%, which is 0.68 to 1.36 g / m 3 when converted to absolute humidity.
  • the absolute humidity of the vegetable compartment 108 is higher than the absolute humidity of the refrigerator compartment 104 due to the transpiration of the vegetables stored in the vegetable compartment 108.
  • the refrigerator compartment 104 stores generally packaged food. Therefore, the absolute humidity in the cabinet is hardly as high as the vegetable room 108.
  • the refrigerated room 104 which is a storage room in which the sterilization effect is mainly desired to be developed, has a higher concentration than the vegetable room 108, which is a storage room in which the effect is primarily desired for the vegetables.
  • a mist supply path is formed.
  • the mist supply path changes depending on whether forced convection occurs in the dedicated section or natural convection and is supplied to the vegetable compartment 108. Or whether it is supplied to another storage room.
  • the fan 203 is provided in the mist supply path, and the mist supply path for supplying the mist is switched depending on whether the fan 203 is activated.
  • the mist filled in the dedicated section passes through the opening 147. , And supplied into the vegetable compartment 108. Further, when the fan 203 is operating, a flow of cold air is generated by forced convection in the dedicated section, and the outer case 127 is connected to the suction port 126, so that cooling is performed through the suction port 126 and the air passage 141. Mist is conveyed to the chamber 110 and is supplied to the refrigerating chamber 104 along with the flow of cold air flowing through the discharge air passage 141a through the cooling chamber.
  • mist concentration in the refrigerator compartment 104 to which mist is supplied by the flow of cold air by forced convection can be increased.
  • suction port cover 126a is connected to the suction port 126 so that the cool air of the vegetable chamber 108 is taken in from the opening 147 and is conveyed to the cooling chamber 110 through the suction port 126 and the suction air passage 141b.
  • the outer case 127 and the suction port cover 126a are in communication with each other.
  • the outer case 127 may also serve as the suction port cover 126a.
  • the moisture supply port 138 can also serve as the opening 147.
  • the mist supply path is based on the size of the opening 147 that communicates the vegetable compartment 108, that is, the storage room that mainly increases the nutrients of the vegetable or suppresses the low-temperature damage of the vegetable and the dedicated compartment, and controls the mist supply amount. Can be adjusted.
  • the experimental verification revealed that the larger the area of the water supply port 138, the larger the amount of mist supplied to the vegetable room 108. Therefore, the amount of mist supplied to the vegetable room is adjusted by adjusting the area of the water supply port 138.
  • the area of the moisture supply port 138 that is also the mist supply port to the vegetable compartment 108 is designed to be small, and the amount of mist supply to the vegetable compartment 108 is reduced. Yes.
  • the temperature in the vegetable compartment 108 is usually 10 ° C. or more higher than that in the freezer compartment 107, even when the fan 203 does not operate, a gentle convection occurs from the outer case 127 to the suction port 126 due to the temperature difference. Since a part of the mist flows on the flow to the suction port 126, it is not necessary to make the moisture supply port 138 small even for suppressing the mist supply to the vegetable compartment 108. As a result, it is possible to secure a size of the water supply port 138 that can sufficiently supply the humid air in the vegetable compartment 108.
  • the area of the opening 147 that communicates the vegetable compartment 108 and the dedicated compartment as the mist supply path is the air passage of the exclusive compartment communicating with the refrigerator compartment 104 (the discharge air to the refrigerator compartment 104). Since the cross-sectional area of the channel 141a) is smaller, the mist supply amount to the vegetable compartment 108 becomes smaller and the concentration becomes lighter, and the mist supply amount to the refrigerator compartment 104 becomes larger and the concentration becomes higher. Yes.
  • the mist generated in the outer case 127 during the operation of the fan 203 passes through the cooling chamber 110 and the damper device 241 by forced convection, and rides on the flow of cold air in the discharge air passage so that the refrigerator compartment 104 and the vegetable compartment. It spreads to 108.
  • the air volume of the cold air flowing through the discharge air passage 141a to the refrigerator compartment 104 and the vegetable compartment 108 depends on the cross-sectional area of the discharge air passage 141a.
  • the air flow of the discharge air passage 141a to the refrigerator compartment 104 is determined. Since the cross-sectional area is larger than the cross-sectional area of the discharge air passage 141 a to the vegetable compartment 108, the cool air passing through the damper device 241 flows more into the refrigerated compartment 104 than the vegetable compartment 108.
  • the amount of mist supplied to the refrigerator compartment 104 can be increased more than the vegetable compartment 108.
  • the outer case 127 and the suction port cover 126a are in communication with each other.
  • the outer case 127 may also serve as the suction port cover 126a.
  • the moisture supply port 138 can also serve as the opening 147.
  • the fine mist generated in the atomizing electrode 135 is shunted in the outer case 127 which is a dedicated section and is also supplied to the refrigerating chamber 104.
  • the effect which deodorizes the odor by food is expressed.
  • a plurality of storage compartments (such as the vegetable compartment 108) that are thermally insulated, the cooler 112, and the fan 203 are accommodated and connected to each storage compartment via the air passage 141. It has a cooling chamber 110 and a spraying device 131 for spraying mist.
  • the spraying device 131 is housed in an outer case 127 provided in the vegetable compartment 108, and the mist generated from the spraying device 131 is removed from the outer case.
  • a mist supply path for diverting in 127 is provided, and the mist is diffused by natural convection to the vegetable room 108 provided with the spraying device 131, and a storage room (refrigeration room 104, freezer compartment) provided with no spraying device 131 is provided. 107) is diffused by forced convection.
  • the mist generated from the spraying device 131 is first diffused in the outer case 127 that forms a dedicated section, and the mist in the outer case has a high concentration of 10 to 20 times in the vegetable compartment 108.
  • This high-concentration mist is supplied to the vegetable compartment 108 by natural convection, but the entire amount is not supplied directly, and the mist concentration in the vegetable compartment is 1/10 or less in the dedicated compartment.
  • mist When forced convection occurs in the mist stored in the outer case 127, the mist is distributed to each storage room (the refrigeration room 104 and the freezing room 107) through the mist supply path that is divided in the outer case 127, and is actively generated by forced convection. Since mist supply is performed, the mist concentration is higher than that in the vegetable compartment 108, and the sterilization effect can be expressed by the mist having a high concentration.
  • the outer case 127 is provided with an opening communicating with the vegetable compartment 108 provided with the spraying device 131, and a storage room (the refrigerator compartment 104, the freezing compartment 107 without the spraying device 131 provided). An opening leading to) is also provided.
  • the mist since the mist passes through the respective openings, the mist can be divided and diffused in the outer case 127, so that the mist can be distributed to each storage room (the refrigerator compartment 104 and the freezer compartment 107). It becomes possible.
  • the spray device 131 is housed in an outer case 127 provided in the vegetable compartment 108, and the outer case 127 has a suction port 126 that returns indoor cold air from the vegetable compartment 108 to the cooling chamber 110.
  • a water supply port 138 that is an opening is provided on the surface of the outer case 127 with respect to the vegetable compartment 108, and at least when the fan 203 operates, the mist diffuses to other storage compartments such as the refrigerator compartment 104. Since a mist supply path that can be formed is formed and the mist is sprayed when the fan 203 operates, a configuration in which the mist is actively supplied to other storage chambers using forced convection by the fan 203 is provided. This can be realized in the refrigerator 100.
  • the supply of mist to the vegetable compartment 108 provided with the spray device 131 is performed by natural convection mainly through the opening provided in the outer case 127 when the fan 203 does not operate.
  • the supply of mist to the vegetable compartment 108 provided with the spraying device 131 is mainly performed by the damper device 241 through the moisture supply port 138 provided in the outer case 127 and the opening 147 provided in the suction port cover 126a. This is done by natural convection when closed.
  • FIG. 39 is a longitudinal sectional view of the refrigerator according to the tenth embodiment of the present invention
  • FIG. 40 is a schematic diagram showing the positional relationship between the air passage and each storage room in the refrigerator according to the tenth embodiment of the present invention
  • FIG. FIG. 38 is a cross-sectional view showing the arrangement of the suction cover and the outer case in the refrigerator according to the tenth embodiment.
  • a damper device 241 is provided at the suction port 126 for returning the cold air from the vegetable compartment 108 to the cooling compartment 110.
  • the damper device can be opened and closed. When the damper device is open, not only the cold air in the vegetable compartment is sent to the cooling chamber, but also the mist generated in the spraying device 131 is fed into the cooling chamber by forced convection and passed through the air passage. Mist diffuses into the refrigerator compartment 104 and the like.
  • the damper device 241 is provided in the suction port 126 for returning the indoor cold air of the vegetable compartment 108 provided with the spray device 131 to the cooling chamber 110, the generated mist Distribution to each storage room can be controlled more accurately.
  • the mist spray amount in the vegetable compartment 108 provided with the spray device 131 can be easily adjusted, and can be implemented by a simple operation of opening and closing the damper device 241 depending on the amount of the mist spray amount.
  • FIG. 42 is a schematic diagram showing the positional relationship between the air passage and each storage room in the refrigerator according to Embodiment 11 of the present invention.
  • a mist exclusive air passage 300 is provided as shown in FIG. 41, and a fan capable of forced convection is provided in the mist exclusive air passage 300 or in the refrigerator compartment 104.
  • the mist exclusive air passage 300 is directly connected to the refrigerating chamber 104 without passing through the cooling chamber 110 separately from the air passage 141 connected to the cooling chamber 110 from the suction port 126.
  • the mist generated in the spraying device 131 and diverted in the outer case 127 diffuses to the vegetable compartment 108, and is also diffused directly to the refrigeration compartment 104 through the mist exclusive air passage 300 without passing through the cooling compartment 110 by forced convection. .
  • the plurality of storage compartments (vegetable compartment 108, etc.), which are partitioned by heat, the cooler 112, and the fan 203 are accommodated and connected to each storage compartment via the air passage 141. It has a cooling chamber 110 and a spraying device 131 for spraying mist.
  • the spraying device 131 is housed in an outer case 127 provided in the vegetable compartment 108, and the mist generated from the spraying device 131 is removed from the outer case.
  • Refrigerator that divides the mist into the vegetable compartment 108 provided with the spraying device 131 and diffuses the mist also into the storage rooms (the refrigerator compartment 104 and the freezing compartment 107) not provided with the spraying device 131. 100.
  • the mist generated from the spray device 131 is first diffused into the outer case 127, so that the entire amount is not directly supplied to the vegetable compartment 108, and the mist that diffuses into the outer case 127 is not contained in the outer case 127. Therefore, the mist is supplied to the refrigerating chamber 104 through the air passage 141 and the freezing chamber 107 through the air passage 141, so that a useful effect of the mist can be expressed in each storage room of the refrigerator.
  • the outer case 127 is provided with an opening 138 communicating with the vegetable compartment 108 provided with the spraying device 131 and a storage room (the refrigerator compartment 104, the freezer compartment) where the spraying device 131 is not provided. 107) is also provided, and since the mist passes through the opening 126 and the opening 138, the mist is divided in the outer case 127 that is a dedicated section and supplied to the mist supply path. Therefore, it becomes possible to distribute mist to each storage room (refrigeration room 104, freezing room 107).
  • concentration in the refrigerator compartment 104 which is storage rooms other than the vegetable compartment 108 in which the spraying apparatus 131 was provided is larger than the mist density
  • the absolute humidity in the refrigerator compartment 104 which is storage rooms other than the vegetable compartment 108 in which the spraying apparatus 131 was provided is smaller than the absolute humidity in the vegetable compartment 108 in which the spraying apparatus 131 was provided, and the spraying apparatus 131 Since the mist concentration in the refrigeration room 104 which is a storage room other than the storage room where the mist is provided is larger than the mist concentration in the vegetable room 108 and has a relatively high absolute humidity, the spraying device 131 is provided in the vegetable room 108. Since the atomization unit 139 of the apparatus 131 is in a state where condensation is likely to occur, it is possible to spray mist stably.
  • the mist concentration in the refrigerator compartment 104 that is indirectly sprayed with mist is high, the mist effect (sanitization effect) in the refrigerator compartment 104 can be expressed.
  • the storage room provided with the spraying device 131 is the vegetable room 108 for storing vegetables, and the absolute humidity in the vegetable room 108 increases due to the transpiration of the vegetables, and the atomizing section 139 of the spraying device 131. In this case, condensation is likely to occur, so that mist can be stably sprayed.
  • FIG. 43 is a front view of the refrigerator in the twelfth embodiment of the present invention
  • FIG. 44 is a longitudinal sectional view of the refrigerator storage chamber in the twelfth embodiment
  • FIG. 45 is the cold air of the refrigerator in the twelfth embodiment of the present invention.
  • FIG. 46 is a diagram showing the deodorizing performance of the deodorizing apparatus according to the twelfth embodiment of the present invention in the twelfth embodiment of the present invention.
  • the refrigerator 100 is a refrigerator including a door that is a double door type door, and includes a plurality of storage compartments in a heat insulating box 101 that is a heat insulating box. ing.
  • FIG. 44 is a longitudinal sectional view of the refrigerator storage chamber according to the twelfth embodiment of the present invention, showing a state cut along AA in FIG.
  • the refrigerator compartment 102 is a storage compartment maintained at a temperature that does not freeze for refrigerated storage.
  • the lower limit of the specific temperature is usually set at 1 ° C to 5 ° C.
  • an atomizer 200 for spraying mist containing OH radicals having an effect such as sterilization and deodorization is installed as a first deodorizer, and the cold air discharged into the refrigerator compartment 102 is installed in the refrigerator compartment 102. Mist diffuses inside, and thereby, the cold air circulating in the refrigerator 100 is sterilized and deodorized. Moreover, since the cold air in the refrigerator compartment 102 also circulates in the vegetable compartment 104, the cold air circulating in the vegetable compartment 104 is also sterilized and deodorized.
  • a catalyst-type deodorizing device 135 holding a catalyst is installed in a return duct 129b that is a downstream side duct in the refrigerator compartment 102. Since the refrigerator compartment 102 is used for the preservation of foods and the like, the cold air in the refrigerator compartment 102 containing odor components such as ingredients passes through the catalyst-type deodorizing device 135, so that the odor components of the cold air are adsorbed on the catalyst. Then, the cold air flowing downstream from the refrigerator compartment 102 is deodorized. Further, since the cold air passing through the catalyst-type deodorizing device 135 also contains mist containing OH radicals that have effects such as sterilization and deodorization, the mist comes into contact with the catalyst and further improves the deodorization efficiency.
  • a circulation path through which cold air is forcedly circulated is formed inside the refrigerator 100. Specifically, the cool air cooled by the evaporator 120 is forcibly blown by the fan 121 and is carried to each room through a duct provided between each storage room and the heat insulating box 101. And is returned to the evaporator 120 through the suction duct.
  • cooling air is circulated by a single fan 121.
  • the cold air cooled by the evaporator 120 is sent to the refrigerator compartment 102.
  • the cool air cooled by the evaporator 120 is cooled to a temperature that can sufficiently cope with the freezer compartment 103. Accordingly, when the entire amount of cold air is blown to the refrigerator compartment 102, the refrigerator compartment 102 becomes too cold. Therefore, a twin damper as a damper capable of controlling the insertion of the cold air is provided in the cold air circulation path including the refrigerator compartment 102.
  • the cold air cooled by the evaporator 120 is controlled to be inserted by the twin damper 128, and does not always circulate through the path of the refrigerator compartment 102 and the vegetable compartment 104. Further, when the entire refrigerator 100 is sufficiently cooled, the rotation of the fan 121 is stopped and the circulation of the cold air is also stopped. At this time, the cooling cycle, that is, the compressor 114 is also stopped.
  • the cold air cooled by the evaporator 120 is discharged into the refrigerating chamber 102 through a refrigerating chamber discharge duct 129a, which is referred to as an air passage or a duct, if necessary, and through a discharge port 130 opened at the top of the refrigerating chamber 102.
  • the cold air discharged from the discharge port 130 is combined with the mist discharged from the atomizing device 200 as the first deodorizing device provided in the upstream portion of the air passage in the refrigerator compartment 102 and diffused throughout the refrigerator compartment 102. Is done.
  • Cold air containing mist that has passed through the refrigerator compartment 102 is sucked into a recovery port 131 that opens at the bottom of the refrigerator compartment 102.
  • the cold air containing the mist sucked into the recovery port 131 passes through a catalyst-type deodorizing device 135 which is a second deodorizing device provided in a return duct 129b which is a duct on the downstream side in the refrigerator compartment 102. Further, it is discharged into the vegetable compartment 104 and the mist is diffused throughout the vegetable compartment. Finally, the cold air containing the mist that has passed through the vegetable compartment 104 returns to the evaporator 120 again.
  • the first deodorizing apparatus is a diffusion type deodorizing apparatus using a mist containing OH radicals.
  • OH radical itself has a very short life of a few seconds, but by surrounding it with mist, the OH radical is released at the same time as the mist disappears, such as 6 to 10 minutes. Since the mist disappears after the mist has spread throughout the room, the deodorizing effect by the OH radicals can be exhibited at each location in the storage chamber.
  • the first deodorization device is a diffusion type deodorization device that performs deodorization by diffusing a substance having a high deodorization effect
  • the second deodorization device is a different deodorization method.
  • the catalyst-type deodorizing apparatus deodorizes the passing cold air with a catalyst.
  • different odors can be deodorized by using different deodorizers for the first deodorizer and the second deodorizer.
  • a deodorizing device of the diffusion type is disposed on the upstream side of the air passage in the storage chamber, and a deodorizing device of the catalyst type is provided on the downstream side, so that the deodorization diffused by the diffusion type deodorizing device.
  • the highly effective substance in this embodiment, mist containing OH radicals
  • mist containing OH radicals can also deodorize the catalytic deodorizing apparatus itself, and the odor adsorbed by the catalytic deodorizing apparatus can be further deodorized by OH radicals. Therefore, it is possible to exert a synergistic effect by providing a double deodorizing device.
  • the atomization device that sprays mist is provided as the deodorization device.
  • the same electrostatic atomization device as in this embodiment is provided, and the discharge is not provided with the cooling pin 534.
  • the electrostatic atomizer does not spray the liquid mist, and becomes a deodorizing device that can generate ozone and negative ions that are gases.
  • these ozone and negative ion deodorizers are air deodorizers, and are not deodorized by fine liquids that encapsulate OH radicals in mist as in this embodiment, so they are attached to walls and food. Since the adhering force is very weak and the substance to be released is a gas, the durability time, ie, the lifetime is short, so that it can be said to be a gas deodorization apparatus suitable for intensive deodorization in a relatively small space.
  • an electrostatic atomizer when used as an ozone generator or a negative ion generator without spraying mist, it can be replaced with another ozone generator. In that case, it is not necessary to cool the cooling pin, and of course, it is not necessary to cool the cooling pin, so it goes without saying that the electrostatic atomizer as an antibacterial device can be attached to any place in the warehouse. Even if a cooling pin is provided, it is also effective to use the cooling pin as an atomizing device rather than as an atomizing electrode. It becomes possible to attach to the inner wall, it is possible to attach to the inner wall with high accuracy with little play when attaching to the heat insulating wall, and it becomes possible to share the same atomization device as the refrigerator spraying mist.
  • sulfur-based products such as methyl mercaptan and nitrogen-based materials such as trimethylamine, dimethyl sulfide, and dimethyl disulfide are the mainstream, and the catalyst can adsorb and deodorize these odors. it can.
  • the catalyst-type deodorizing device 135 holding the catalyst is installed on the downstream side of the refrigerating room, which is the storage room with the highest temperature, and adsorbs a large amount of odor generated from the storage in the refrigerating room near the source.
  • the cool air can be deodorized. Therefore, it is possible to prevent a large amount of odor generated in the refrigerating room from circulating to other storage rooms together with the cold air.
  • the mist sprayed from the electrostatic atomizer 200 contains OH radicals and ozone having strong oxidizing power, and the odor component can be decomposed even with the mist alone. Therefore, the mist diffused in the space of the storage room together with the cold air directly decomposes and decomposes the odor component, so that the space of the storage room can be directly decomposed and deodorized.
  • the ozone concentration in a refrigerator for home use, if the ozone concentration is 30 ppb or more, a person feels an unpleasant feeling due to the ozone odor, so the ozone concentration needs to be controlled to 30 ppb or less.
  • the amount of mist is controlled so that the amount of radicals generated simultaneously with ozone is 10 to 50 ⁇ mol / L.
  • ozone generated during the mist spraying by the electrostatic atomizer 200 moves downward due to the characteristic that ozone is heavier than air, it is provided below the center line in the vertical direction of the refrigerator compartment. Since the deodorization of the catalyst-type deodorizing device 135 having adsorbed odorous substances by ozone is continuously performed, the catalyst-type deodorizing device 135 is always kept in a refreshed state. And a decrease in the deodorizing ability can be suppressed.
  • FIG. 46 is a diagram showing the deodorizing performance of a mist containing a catalyst and OH radicals in Embodiment 12 of the present invention.
  • the test conditions were set such that the BOX capacity was set to about 400 L and the temperature inside the BOX was about 20 ° C., and the refrigerator duct having the catalyst-type deodorizing device 135 holding the catalyst and the electrostatic atomizer 200 were installed in the BOX.
  • DMDS Dimethyl disulfide
  • the DMDS residual rate was calculated.
  • the one excluding the catalyst and the electrostatic atomizer 200 (blank) the one where only the catalyst-type deodorizing device 135 holding the catalyst was installed (only the catalyst), and the electrostatic atomizer 200 only were installed.
  • the same test was conducted with a mist (only mist).
  • the DMDS residual rate of the catalyst + mist is the lowest with respect to the blank, the catalyst only, and the mist only, and the deodorizing performance is good.
  • the deodorizing catalyst it is desirable to employ a catalyst having a metal oxide that has a synergistic effect when used simultaneously with Nanoe. This is because ozone generated at the same time as Nanoe contacts with the metal oxide on the catalyst surface to generate radicals with high activity, and these radicals acted on odorous components that are adsorbed on or near the deodorizing catalyst. Therefore, the deodorizing performance could be improved compared to the case of using the deodorizing catalyst and nanoe respectively.
  • the catalyst is preferably a metal oxide.
  • the deodorizing filter is formed of a honeycomb-shaped activated carbon made of a manganese-based catalyst. More specifically, a Mn—Cu-based composite oxide (manganese dioxide (MnO 2 ), copper oxide (CuO)) is used.
  • Mn—Cu-based composite oxide manganese dioxide (MnO 2 ), copper oxide (CuO)
  • platinum, silver, palladium, and titanium oxide which is a metal oxide.
  • These metal oxides allow mist containing OH radicals to pass a large amount of cold air containing odor components and mist containing OH radicals and ozone in a honeycomb-shaped catalyst.
  • the honeycomb shape is used.
  • a sheet-like catalyst that can be attached to the wall surface in the air passage can be used.
  • a holding method such as a fibrous shape may be used in addition to the above, and it can be applied when it is not contrary to the object of the present invention.
  • activated carbon is used as the adsorbent in the present embodiment, but the same effect can be expected with Na-type hydrophobic zeolite (SiO 2 , Al 2 O 3 ).
  • the amount of adsorption of the catalyst is limited, but when the mist containing OH radicals comes into contact with a large amount of manganese-based catalyst, the odor components adsorbed on the catalyst by the action of OH radicals are oxidized, decomposed and removed. Therefore, since the lifetime of the catalyst can be extended, the deodorizing effect can be maintained for a long time, and deodorization and sterilization can be performed more efficiently.
  • mist containing OH radicals having a sterilizing / deodorizing effect is diffused in the storage chamber, directly decomposes and deodorizes the inside of the space, and further, mist containing OH radicals
  • the deodorizing effect is enhanced by adsorbing the odorous components adsorbed on the catalyst by contacting with the deodorizing catalyst, and both the air in the storage room and the circulating cold air can be sterilized and deodorized efficiently.
  • FIG. 47 is a longitudinal sectional view of the refrigerator storage chamber according to the thirteenth embodiment of the present invention
  • FIG. 48 is a schematic view of the cold air circulation air passage of the refrigerator according to the thirteenth embodiment of the present invention
  • FIG. FIG. 50 is a diagram showing a sensory evaluation result of the deodorizing power of the deodorizing apparatus according to Embodiment 13 of the present invention.
  • An atomizing apparatus 200 that is an atomizing apparatus that generates mist is installed in a dedicated section 140 installed in the upper part of the vegetable compartment 104, and contains OH radicals generated from the electrostatic atomizing apparatus 200. Is configured to be stored in the dedicated section 140 in a high concentration state.
  • the dedicated section 140 is a space provided in the refrigerator 100, but has a structure that cannot store food, and has a structure in which only the mist supplied from the electrostatic atomizer 200 is stored.
  • the dedicated section 140 Since the electrostatic atomizer 200 which is the first deodorizing device is controlled so as to always store a high concentration mist in the dedicated section 140, the dedicated section 140 stores a high concentration mist. For this reason, when the cold air that has cooled the vegetable compartment 104 passes through the dedicated compartment 140, it returns to the cooling compartment 115 simultaneously with the accumulated high-concentration mist, but the space in the cooling compartment 115 is the exclusive compartment 140. Since it is larger than the mist, the mist is diluted. Further, when the cool air cooled by the evaporator 120 is circulated again to each storage chamber by the fan 121 by the cooling cycle, the thinned mist is simultaneously stored in the refrigerator 102, the switching chamber 106, the ice making chamber 105, and the vegetable chamber 104. Circulates to the freezer compartment 103.
  • the cold air cooled by the evaporator 120 is discharged into the refrigerating chamber 102 through a refrigerating chamber discharge duct 129a, which is referred to as an air passage or a duct, if necessary, and through a discharge port 130 opened at the top of the refrigerating chamber 102.
  • the mist generated from the atomizing device 200 which is the first deodorizing device provided in the vegetable compartment 104, is discharged from the vegetable compartment 104 to the air passage along the flow of cold air, and discharged through the cooling compartment 115 for the refrigerator compartment. Along with the cool air circulating through the duct 129a, it is diffused throughout the refrigerator compartment 102.
  • the first deodorizing device is provided in the dedicated section 140 that is the space upstream of the refrigerator compartment 102.
  • Cold air containing mist that has passed through the refrigerator compartment 102 is sucked into a recovery port 131 that opens at the bottom of the refrigerator compartment 102.
  • the cold air containing the mist sucked into the recovery port 131 passes through the catalyst-type deodorizing device 135 that is the second deodorizing device provided in the return duct 129b that is the air path on the downstream side of the refrigerator compartment 102, Furthermore, it discharges to the vegetable compartment 104 and mist is spread
  • the cold air containing the mist that has passed through the vegetable compartment 104 returns to the evaporator 120 again.
  • FIG. 48 is a diagram showing a sensory evaluation of the deodorizing power of a mist containing a catalyst and OH radicals, and is a result of carrying out a deodorizing test with an actual refrigerator.
  • Evaluation was performed by 6 odor judgers according to the 6-step odor display method. 0 is odorless, 1 feels faintly, 2 feels comfortable, 3 clearly smells, 4 is strong, and 5 is unbearable.
  • the odor intensity is 1.6 for the catalyst only and 1.0 for the catalyst and Nanoe against the blank 2.8, and it can be confirmed that the refrigerator is deodorized by the catalyst and Nanoe. It was.
  • the mist generated from the electrostatic atomizer 200 is efficiently sucked into the cooling chamber by the refrigeration cycle. Since it can be diffused from there to each storage room, the odor component of the air in each storage room can be directly decomposed and deodorized by mist containing OH radicals.
  • Nanoe can diffuse throughout the refrigeration room without disappearing due to the deodorization catalyst, and furthermore, downstream of the refrigeration room where odor is most likely to occur.
  • a deodorizing catalyst in this duct, it is possible to efficiently absorb and decompose odors, and it is difficult to circulate odors to other rooms.
  • the honeycomb-shaped deodorizing device for holding the catalyst so as to come into contact with the flow of the cold air at an angle, it is possible to reduce the ventilation resistance while increasing the contact area of the cold air.
  • the angle ⁇ of the deodorizing device with respect to the cold air is desirably an obtuse angle.
  • mist containing OH radicals can reach the catalyst through cold air, the mist containing OH radicals comes into contact with the catalyst having a deodorizing effect to enhance the effect of the catalyst and circulate with the air in the storage chamber. Both cold air can be sterilized and deodorized efficiently.
  • the dedicated section 140 is installed in the vegetable room suction air passage 142a.
  • the present invention is not limited to this, and it may be provided near the vegetable room suction port (not shown). It works the same way.
  • the exclusive compartment 140 can supply the mist directly to the vegetable compartment 104 if an opening is provided in the storage compartment, the mist is consumed when passing through the cooling compartment 115 and the discharge air passage 130. It is more preferable because it can be prevented.
  • the compressor 114 when the compressor 114 is operated by the refrigeration cycle and the evaporator 120 is cooled and the cool air is circulated by the fan 121, it is necessary to distribute the mist throughout the refrigerator. It is desirable to maximize the amount.
  • the refrigerator according to the present invention can stably supply mist to each storage room stably with a simple configuration. Can do.
  • the refrigerator according to the present invention directly sprays the mist supplied from the spraying device to the first storage chamber provided with the spraying device, and provides an indirect supply means to storage chambers other than the first storage chamber.
  • the refrigerator directly sprays the mist supplied from the spraying device to the first storage chamber provided with the spraying device, and provides an indirect supply means to storage chambers other than the first storage chamber.
  • the refrigerator according to the present invention can be sterilized and deodorized in the storage chamber, it can be applied not only to household refrigerators, but also to commercial refrigerators, food storages, and cold cars.

Abstract

L'invention porte sur un réfrigérateur dans lequel un dispositif de pulvérisation (131) est contenu dans un boîtier externe (127) placé à l'intérieur d'un compartiment de stockage, et dans lequel le boîtier externe (127) est relié à une ouverture d'aspiration (126). Lorsque de la brume est pulvérisée par le dispositif de pulvérisation (131) lorsqu'au moins un ventilateur (203) qui sert de ventilateur de refroidissement fonctionne, la brume est acheminée vers les autres compartiments de stockage par utilisation d'une convection forcée par le ventilateur (203). En conséquence, l'effet de brume peut être obtenu dans tous les compartiments de stockage.
PCT/JP2011/001682 2010-03-29 2011-03-23 Réfrigérateur WO2011121937A1 (fr)

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JP2010-074702 2010-03-29
JP2010074702 2010-03-29
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JP2010204169A JP5640589B2 (ja) 2010-03-29 2010-09-13 冷蔵庫
JP2010-204170 2010-09-13
JP2010-204169 2010-09-13
JP2010204168A JP5589699B2 (ja) 2010-09-13 2010-09-13 冷蔵庫
JP2010204170A JP5625651B2 (ja) 2010-09-13 2010-09-13 冷蔵庫
JP2010-204168 2010-09-13
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JP2017198410A (ja) * 2016-04-28 2017-11-02 株式会社昭和冷凍プラント 冷蔵又は冷凍コンテナ
CN110617664A (zh) * 2019-10-18 2019-12-27 海信容声(广东)冰箱有限公司 一种冰箱

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JPS63318466A (ja) * 1987-06-22 1988-12-27 松下冷機株式会社 冷蔵庫
JPH05157444A (ja) * 1991-12-06 1993-06-22 Hitachi Ltd 冷蔵庫用脱臭除菌装置
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JPH08285444A (ja) * 1995-04-17 1996-11-01 Matsushita Refrig Co Ltd 冷蔵庫
JP2000220949A (ja) * 1999-01-29 2000-08-08 Sharp Corp 冷蔵庫
JP2002319470A (ja) * 2001-04-23 2002-10-31 Sharp Corp イオン発生制御方法、イオン発生素子、及びそれを備えた空気調節装置
JP2003042646A (ja) * 2001-07-31 2003-02-13 Mitsubishi Electric Corp 冷蔵庫
WO2008139706A1 (fr) * 2007-04-26 2008-11-20 Panasonic Corporation Réfrigérateur
WO2008139704A1 (fr) * 2007-04-26 2008-11-20 Panasonic Corporation Réfrigérateur, et dispositif électrique
JP2009002591A (ja) * 2007-06-22 2009-01-08 Panasonic Corp 冷蔵庫
JP2009030922A (ja) * 2007-07-30 2009-02-12 Panasonic Corp 直冷式冷蔵庫
JP2009264667A (ja) * 2007-04-26 2009-11-12 Panasonic Corp 冷蔵庫

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Publication number Priority date Publication date Assignee Title
JPS5497848U (fr) * 1977-12-22 1979-07-10
JPS63318466A (ja) * 1987-06-22 1988-12-27 松下冷機株式会社 冷蔵庫
JPH05157444A (ja) * 1991-12-06 1993-06-22 Hitachi Ltd 冷蔵庫用脱臭除菌装置
JPH06257933A (ja) * 1993-03-02 1994-09-16 Sharp Corp 冷蔵庫
JPH08285444A (ja) * 1995-04-17 1996-11-01 Matsushita Refrig Co Ltd 冷蔵庫
JP2000220949A (ja) * 1999-01-29 2000-08-08 Sharp Corp 冷蔵庫
JP2002319470A (ja) * 2001-04-23 2002-10-31 Sharp Corp イオン発生制御方法、イオン発生素子、及びそれを備えた空気調節装置
JP2003042646A (ja) * 2001-07-31 2003-02-13 Mitsubishi Electric Corp 冷蔵庫
WO2008139706A1 (fr) * 2007-04-26 2008-11-20 Panasonic Corporation Réfrigérateur
WO2008139704A1 (fr) * 2007-04-26 2008-11-20 Panasonic Corporation Réfrigérateur, et dispositif électrique
JP2009264667A (ja) * 2007-04-26 2009-11-12 Panasonic Corp 冷蔵庫
JP2009002591A (ja) * 2007-06-22 2009-01-08 Panasonic Corp 冷蔵庫
JP2009030922A (ja) * 2007-07-30 2009-02-12 Panasonic Corp 直冷式冷蔵庫

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017198410A (ja) * 2016-04-28 2017-11-02 株式会社昭和冷凍プラント 冷蔵又は冷凍コンテナ
CN110617664A (zh) * 2019-10-18 2019-12-27 海信容声(广东)冰箱有限公司 一种冰箱

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