WO2021157473A1 - 冷蔵庫 - Google Patents

冷蔵庫 Download PDF

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Publication number
WO2021157473A1
WO2021157473A1 PCT/JP2021/003187 JP2021003187W WO2021157473A1 WO 2021157473 A1 WO2021157473 A1 WO 2021157473A1 JP 2021003187 W JP2021003187 W JP 2021003187W WO 2021157473 A1 WO2021157473 A1 WO 2021157473A1
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WO
WIPO (PCT)
Prior art keywords
storage container
unit
vegetable compartment
discharge
lower storage
Prior art date
Application number
PCT/JP2021/003187
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
翔伍 河杉
桂 南部
健一 柿田
安信　淑子
平井　剛樹
Original Assignee
パナソニックＩｐマネジメント株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Priority to CN202180011010.3A priority Critical patent/CN115038919B/zh
Publication of WO2021157473A1 publication Critical patent/WO2021157473A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/50—Containers, packaging elements or packages, specially adapted for particular articles or materials for living organisms, articles or materials sensitive to changes of environment or atmospheric conditions, e.g. land animals, birds, fish, water plants, non-aquatic plants, flower bulbs, cut flowers or foliage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled

Definitions

  • This disclosure relates to a refrigerator equipped with a humidifying unit.
  • Patent Document 1 discloses a refrigerator that discharges the humidity of the vegetable case to the outside when the humidity is high and keeps the humidity of the vegetable case from escaping when the humidity is low.
  • the refrigerator of Patent Document 1 is intended to prevent the moisture of the vegetable case from escaping when the humidity is low, and cannot be humidified in the low humidity condition.
  • this disclosure provides a refrigerator that can humidify the inside of the storage container of the vegetable compartment.
  • the refrigerator in the present disclosure includes a vegetable compartment, a storage container provided in the vegetable compartment, and a humidifying unit provided in the storage container, and the humidifying unit absorbs moisture generated by dew condensation inside the storage container. , Discharges moisture inside the storage container.
  • FIG. 1 is a vertical cross-sectional view of the refrigerator according to the first embodiment.
  • FIG. 2 is a vertical cross-sectional view of the vegetable compartment of the refrigerator according to the first embodiment.
  • FIG. 3 is a vertical cross-sectional view of the vegetable compartment of the refrigerator according to the second embodiment.
  • FIG. 4 is a vertical cross-sectional view of the vegetable compartment of the refrigerator according to the third embodiment.
  • FIG. 5 is a vertical sectional view of the vegetable compartment of the refrigerator according to the fourth embodiment.
  • the vegetable case was moisture-sensitive as a technique for maintaining a high humidity state while preventing water rot due to dew condensation even when vegetables or fruits were stored in the vegetable case.
  • the present disclosure provides a refrigerator capable of suppressing the risk of water rot of vegetables and the like due to dew condensation and keeping the inside of the storage container in a high humidity state.
  • the refrigerator 1 has a heat insulating box 2 for insulating the space inside the refrigerator 1 from the surroundings.
  • the heat insulating box 2 is, for example, hard foamed, which is filled and foamed in the space between the outer box 3 mainly made of steel plate, the inner box 4 molded of resin such as ABS, and the outer box 3 and the inner box 4. It consists of a foam insulation material such as urethane.
  • the inside of the heat insulating box 2 is divided into a plurality of storage chambers.
  • the refrigerator 1 includes a refrigerating room 5, a switching room 6, an ice making room 7, a vegetable room 8, and a freezing room 9.
  • a refrigerating room 5 as a first storage is provided at the top of the refrigerator 1.
  • a switching chamber 6 as a fourth storage chamber and an ice making chamber 7 as a fifth storage chamber are provided side by side.
  • a vegetable compartment 8 as a second storage chamber is provided below the switching chamber 6 and the ice making chamber 7, a vegetable compartment 8 as a second storage chamber.
  • a freezing chamber 9 as a third storage chamber is arranged at the bottom of the refrigerator 1.
  • the temperature of the refrigerating room 5 is usually set to 1 ° C. to 5 ° C., with the temperature at which it does not freeze for refrigerated storage as the lower limit.
  • the temperature of the vegetable compartment 8 is set to 2 ° C. to 7 ° C., which is a temperature setting equal to or slightly higher than that of the refrigerator compartment 5.
  • the temperature of the freezing chamber 9 is set in the freezing temperature zone, and the temperature is usually set at ⁇ 22 ° C. to ⁇ 15 ° C. for frozen storage.
  • the temperature of the freezing chamber 9 may be set at a low temperature of, for example, ⁇ 30 ° C. or ⁇ 25 ° C. in order to improve the frozen storage state.
  • the switching chamber 6 includes a refrigerating temperature range set at 1 ° C to 5 ° C, a vegetable temperature range set at 2 ° C to 7 ° C, and a freezing temperature range normally set at -22 ° C to -15 ° C. , The set temperature can be switched between the preset temperature zone between the refrigerating temperature zone and the freezing temperature zone.
  • the switching chamber 6 is a storage chamber which is juxtaposed with the ice making chamber 7 and has an independent door, and is often provided with a pull-out door.
  • the switching chamber 6 is a storage chamber in which the temperature can be set between the temperature zone including the refrigerating temperature zone and the freezing temperature zone.
  • refrigeration is entrusted to the refrigeration room 5 and the vegetable room 8
  • freezing is entrusted to the freezing room 9
  • the switching room 6 is a storage room specialized for switching only between the above temperature zones between refrigeration and freezing. It may be configured as. Further, it may be a storage chamber fixed in a specific temperature zone.
  • the top surface of the heat insulating box 2 has a shape in which a stepwise recess is provided toward the back surface of the refrigerator 1.
  • a machine room 2a is formed in the stepped recess.
  • the machine room 2a houses high-pressure side components of the refrigeration cycle, such as a compressor 10 and a dryer (not shown) for removing water. That is, the machine room 2a in which the compressor 10 is arranged is formed by biting into the uppermost rear region in the refrigerating room 5.
  • a machine room is provided in the lowermost storage chamber rear region of the heat insulating box 2 which has been generally used in the past, and the compressor 10 is concerned. It may be applied to a refrigerator arranged in a machine room. Further, a refrigerator having a so-called mid-freezer configuration in which the arrangements of the freezing chamber 9 and the vegetable compartment 8 are exchanged may be used.
  • a cooling chamber 11 for generating cold air is provided on the back surface of the vegetable compartment 8 and the freezing chamber 9. Between the vegetable compartment 8 and the cooling chamber 11 or between the freezing chamber 9 and the cooling chamber 11, a cold air transport air passage (not shown) to each chamber having heat insulating properties, and each chamber and the cooling chamber are provided.
  • a back partition wall 12 for insulatingly partitioning the 11 is arranged. The back partition wall 12 is provided with a spout 23 for the vegetable compartment 8.
  • a cooler 13 is arranged in the cooling chamber 11.
  • a cooling fan 14 that blows the cold air cooled by the cooler 13 by the forced convection method to the refrigerator chamber 5, the switching chamber 6, the ice making chamber 7, the vegetable chamber 8 and the freezer chamber 9 is arranged.
  • a radiant heater 15 made of a glass tube for removing frost and ice adhering to the cooler 13 and its surroundings during cooling is provided.
  • a drain pan 16 for receiving the defrost water generated at the time of defrosting and a drain tube 17 penetrating from the deepest part of the drain pan 16 to the outside of the refrigerator are configured.
  • an evaporating dish 18 is configured outside the refrigerator on the downstream side of the drain tube 17.
  • a lower storage container 20 and an upper storage container 21 are arranged in the vegetable compartment 8.
  • the lower storage container 20 is placed on a frame attached to the drawer door 19 of the vegetable compartment 8.
  • the upper storage container 21 is placed on the lower storage container 20.
  • a vegetable compartment heater 24 is arranged near the discharge port 23 for the purpose of adjusting the temperature inside the vegetable compartment 8.
  • a space is also provided between the lower storage container 20 and the second partition wall 22b under the lower storage container 20 to form a cold air passage.
  • the vegetable compartment 8 is provided with a suction port 25 for the vegetable compartment 8 for cooling the inside of the vegetable compartment 8 and returning the heat-exchanged cold air to the cooler 13.
  • a temperature sensor 26 is installed near the suction port 25.
  • the humidification unit 28 includes an absorption unit 29, a discharge unit 30, and a transport unit 31.
  • the humidification unit 28 is integrally composed of an absorption unit 29, a discharge unit 30, and a transport unit 31.
  • the humidifying unit 28 is provided inside the wall surface forming the lower storage container 20.
  • the humidifying unit 28 is provided on the inner wall surface of the lower storage container 20 on which the cold air discharged from the discharge port 23 is blown.
  • the absorption unit 29 plays a role of absorbing and storing the water generated by dew condensation inside the lower storage container 20.
  • the lower portion of the inner back surface of the lower storage container 20 is cooled by the cold air discharged from the discharge port 23. At this time, the lower portion of the inner back surface of the lower storage container 20 is cooled at a temperature lower than the dew point temperature of the air in the lower storage container 20, and dew condensation is likely to occur.
  • the absorbing portion 29 is provided on the lower side of the inner back surface of the lower storage container 20 so that the moisture generated by the dew condensation can be absorbed. Further, the absorbing portion 29 is made of a fiber material such as a non-woven fabric so as to easily absorb the moisture generated by dew condensation. As a result, the surface area of the absorbing portion 29 is increased.
  • the discharge unit 30 has a role of discharging the water absorbed by the absorption unit 29 into the lower storage container 20.
  • the dry cold air discharged from the discharge port 23 is introduced from the gap between the upper storage container 21 and the lower storage container 20 to the upper side of the inner back surface of the lower storage container 20. Therefore, the atmosphere around the upper portion of the inner back surface of the lower storage container 20 has a lower humidity than the atmosphere around the absorbing portion 29 and the conveying portion 31.
  • the discharge unit 30 is provided on the upper portion of the inner back surface of the lower storage container 20 so that the absorbed water can be released. Further, the release unit 30 is made of a fiber material such as a non-woven fabric so as to easily release water. As a result, the surface area of the discharging portion 30 is increased.
  • the transport unit 31 has a role of moving the water absorbed and stored by the absorption unit 29 to the discharge unit 30 by capillary force.
  • the capillary force is a force for causing a capillary phenomenon.
  • the transport unit 31 is provided at a position where the absorption unit 29 and the discharge unit 30 are connected.
  • the transport unit 31 is made of a fibrous material such as a non-woven fabric.
  • the operation in which the humidifying unit 28 of the refrigerator 1 absorbs, moves, and releases the moisture generated by dew condensation will be described.
  • the refrigeration cycle is operated by the signal from the control board (not shown) to perform the cooling operation.
  • the high-temperature and high-pressure refrigerant discharged by the operation of the compressor 10 is condensed to some extent by a condenser (not shown) and liquefied.
  • the refrigerant condenses and liquefies while preventing dew condensation on the refrigerator 1 by passing through the side surface and the back surface of the refrigerator 1 and the refrigerant pipes (not shown) arranged on the front frontage of the refrigerator 1, and the capillary. Leads to a tube (not shown). After that, in the capillary tube, the refrigerant is depressurized while exchanging heat with the suction pipe (not shown) of the compressor 10, becomes a low-temperature low-pressure liquid refrigerant, and reaches the cooler 13.
  • the low-temperature low-pressure liquid refrigerant exchanges heat with the air conveyed to each storage chamber by the operation of the cooling fan 14 in the cooling chamber 11, and the refrigerant in the cooler 13 evaporates and vaporizes. At this time, cold air for cooling each storage chamber is generated in the cooling chamber 11.
  • the low-temperature cold air generated in the cooling chamber 11 flows by the cooling fan 14, and is divided into the refrigerating chamber 5, the switching chamber 6, the ice making chamber 7, the vegetable compartment 8 and the freezing chamber 9 by using the air passage and the cooling damper 27. NS.
  • the flow rate of cold air is adjusted by the cooling damper 27 so that each storage chamber is cooled to the respective target temperature zone.
  • the air in the lower storage container 20 and the upper storage container 21 becomes more humid.
  • the dry air on the outer periphery of the lower storage container 20 and the outer periphery of the upper storage container 21 and the lower stage The high humidity air inside the storage container 20 and the inside of the upper storage container 21 are replaced with each other. Therefore, a part of the moisture is discharged from the lower storage container 20 and the upper storage container 21.
  • the humidification unit 28 is installed. By absorbing and storing the moisture generated by dew condensation in the lower storage container 20 by the humidifying unit 28, the risk of water rot can be suppressed.
  • the moisture absorbed and stored by the humidifying unit 28 is discharged to the inside of the lower storage container 20. Therefore, the risk of water rot due to dew condensation can be suppressed while keeping the inside of the lower storage container 20 in a high humidity state.
  • the humidifying unit 28 absorbs the moisture generated by dew condensation in the lower storage container 20 by the absorbing section 29, moves the absorbed moisture by the conveying section 31, and releases the transferred moisture by the releasing section 30.
  • the moisture generated by dew condensation is absorbed and stored in the absorbing section 29, the absorbed moisture is moved to the discharging section 30 by the transporting section 31, and the transferred moisture is transferred to the discharging section 30.
  • the released operation will be described.
  • vegetables are placed in the lower storage container 20, the vegetables release water over time. At this time, if any of the surfaces constituting the lower storage container 20 is below the dew point temperature, dew condensation will occur on that surface.
  • dew condensation may change slightly depending on the design position of the vegetable compartment 8 and the operating conditions of the refrigerator.
  • dew condensation basically occurs on a part of the back surface of the lower storage container 20 where the cold air discharged from the discharge port 23 is blown and the temperature is relatively low.
  • the upper side of the lower storage container 20 having a low density of vegetables is in a low humidity state due to the influence of the intrusion of dry cold air discharged from the discharge port 23. Therefore, since the lower side of the lower storage container 20 having a high density of vegetables has a relatively higher humidity than the upper side of the lower storage container 20, dew condensation occurs on the lower side of the back surface of the lower storage container 20. Is expected.
  • the absorbing portion 29 of the humidifying unit 28 in the portion where dew condensation occurs, it is possible to absorb and store the moisture generated by the dew condensation in the lower storage container 20.
  • the water absorbed and stored in the absorption unit 29 is moved by the transport unit 31 to the discharge unit 30 provided on the upper side of the back surface of the lower storage container 20.
  • the discharge unit 30 air that is less humid than the humidity of the absorption unit 29 and the transport unit 31 is flowing due to the influence of the intrusion of dry cold air discharged from the discharge port 23. Therefore, the water that has moved to the release unit 30 is released from the humidifying unit 28 at the release unit 30.
  • the humidity difference between the air in the lower storage container 20 and the atmosphere around the discharge unit 30 increases. Therefore, the release of water becomes more active, and as a result, the inside of the lower storage container 20 can be maintained in a high humidity state regardless of the amount of vegetables.
  • the refrigerator 1 includes a vegetable compartment 8, a lower storage container 20, and a humidifying unit 28.
  • the humidification unit 28 is integrally composed of an absorption unit 29, a transport unit 31, and a discharge unit 30.
  • the inside of the lower storage container 20 can be humidified.
  • the moisture generated by dew condensation on the lower side of the inner back surface of the lower storage container 20 is first absorbed by the absorption unit 29. Absorbed and stored by.
  • the absorbed water is moved to the discharge part by the transport part 31 by utilizing the capillary force.
  • the inside of the lower storage container 20 becomes in a low humidity state, the water is discharged into the lower storage container 20 by the discharge unit 30.
  • the lower storage container 20 can be kept in a high humidity state regardless of whether the vegetables are abundant or abundant. In addition, the risk of water rot of vegetables due to dew condensation can be suppressed.
  • the degree of sealing of the storage container In order to maintain the freshness of vegetables, it is necessary to increase the degree of sealing of the storage container. If the gap between the lower storage container 20 and the upper storage container 21 is reduced in order to increase the degree of sealing of the storage container, the amount of replacement between the dry cold air outside the lower storage container 20 and the high humidity air inside the lower storage container 20 is small. Become. Therefore, dew condensation is likely to occur in the lower storage container 20. On the other hand, since the humidifying unit 28 can absorb the moisture generated by dew condensation in the lower storage container, the gap between the lower storage container 20 and the upper storage container 21 can be made smaller. Therefore, the degree of sealing of the storage container of the vegetable compartment 8 can be increased more than before, and the inside of the lower storage container 20 can be made more humid.
  • the place where the humidifying unit 28 is installed has been described as an example of the lower storage container 20.
  • the place where the humidifying unit 28 is installed is not limited to the lower storage container 20.
  • the place where the humidifying unit 28 is installed may be, for example, the upper storage container 21.
  • the moisture generated by dew condensation in the upper storage container 21 can be absorbed by the absorption unit 29 of the humidifying unit 28 provided in the upper storage container 21 and discharged into the upper storage container 21 by the discharge unit 30. .. Therefore, the inside of the upper storage container 21 is maintained in a high humidity state, and the risk of water rot of vegetables due to dew condensation can be suppressed.
  • the refrigerator 1 according to the second embodiment is different from the refrigerator 1 according to the first embodiment in that the humidifying unit 28 is installed on the wall surface of the bottom surface of the upper storage container 21 on the lower storage container 20 side.
  • the humidification unit 28 is composed of an absorption unit 29, a discharge unit 30, and a transport unit 31, as in the first embodiment.
  • the humidification unit 28 is provided on the wall surface on the lower storage container 20 side of the bottom surface of the upper storage container 21, and the absorption unit 29, the transport unit 31 and the discharge unit 30 are in this order in the upper storage container. It is configured to line up from the back side to the front side of 21.
  • the absorption unit 29 is provided on the wall surface which is cooled by the cold air entering the lower storage container 20 and becomes below the dew point temperature.
  • the discharge unit 30 is arranged on the front side of the wall surface forming the bottom surface of the upper storage container 21.
  • the position where the discharge unit 30 is arranged is a position where the humidity is lower than that of the absorption unit 29 and the transport unit 31 due to being warmed by the influence of the outside air that has entered the vegetable compartment 8 when the drawer door 19 is opened.
  • the transport unit 31 is provided so as to connect the absorption unit 29 and the discharge unit 30.
  • the absorption unit 29 is provided on the wall surface which is cooled by the cold air entering the lower storage container 20 and becomes below the dew point temperature. Therefore, if there are vegetables in the lower storage container 20, dew condensation occurs, and the absorption unit 29 absorbs the water generated by the dew condensation.
  • the transport unit 31 moves the absorbed water to the releasing unit 30 by capillary force.
  • the discharge unit 30 is a portion on the front side of the wall surface forming the bottom surface of the upper storage container 21, and is warmed by the influence of the outside air that has entered the vegetable compartment 8 when the drawer door 19 is opened, and the absorption unit 29 and It is provided on a wall surface portion that is in a lower humidity state than the transport portion 31. Therefore, when there is moisture in the release unit 30, the release unit 30 releases the moisture into the air by diffusion due to the humidity difference.
  • the humidifying unit 28 of the refrigerator 1 is installed on the wall surface of the bottom surface of the upper storage container 21 on the lower storage container 20 side.
  • the effect of releasing water by the discharging unit 30 can be enhanced. Therefore, it is possible to suppress the risk of water rot of vegetables due to the water generated by the dew condensation adhering to the wall surface falling into the lower storage container 20.
  • the humidity inside the lower storage container 20 can be maintained at a high humidity.
  • the humidifying unit 28 Since the part where the humidifying unit 28 is installed is a place where the user does not easily touch the vegetables or the like in the lower storage container 20, the humidifying unit 28 should be prevented from being damaged or soiled. Can be done.
  • the absorption unit 29 is provided on the bottom surface of the lower storage container 20, and the discharge unit 30 is provided on the upper side of the front inside the lower storage container 20. It is different from the refrigerator 1 according to the first embodiment and the second embodiment. Similar to the first embodiment, the humidification unit 28 includes an absorption unit 29, a discharge unit 30, and a transport unit 31 that connects the absorption unit 29 and the release unit 30.
  • the absorption unit 29 is a portion of the bottom surface of the lower storage container 20 and is cooled by heat transfer from another room, or is between the lower storage container 20 and the second partition wall 22b. It is provided in a portion where the temperature is lowered to the dew point temperature or lower by being cooled by the cold air flowing outside the lower storage container 20 including the container 20.
  • the discharge unit 30 is arranged on the front wall surface inside the lower storage container 20.
  • the wall surface on the front side inside the lower storage container 20 is warmed by the influence of the outside air that has entered the vegetable compartment 8 when the drawer door 19 is opened, and the humidity is lower than that of the absorption unit 29 and the transport unit 31.
  • the transport unit 31 is provided so as to connect the absorption unit 29 and the discharge unit 30.
  • the absorption unit 29 is cooled under the influence of heat absorption from the freezing chamber 9 below the vegetable compartment 8, or outside the lower storage container 20 including between the lower storage container 20 and the second partition wall 22b. It is provided on the wall surface where it is cooled by the flowing cold air and becomes below the dew point temperature. Therefore, if there are vegetables in the lower storage container 20, dew condensation occurs on the wall surface portion, and the absorption unit 29 absorbs and stores the water generated by the dew condensation.
  • the transport unit 31 moves the absorbed water to the releasing unit 30 by capillary force.
  • the discharge unit 30 is a wall surface portion on the front side inside the lower storage container 20, and is warmed by the influence of the outside air that has entered the vegetable compartment 8 when the drawer door 19 is opened, and is warmer than the absorption unit 29 and the transport unit 31. It is provided on the wall surface portion of the lower storage container 20 in a low humidity state. Therefore, when there is moisture in the release unit 30, the release unit 30 releases the moisture into the air by diffusion due to the humidity difference.
  • the absorbing portion 29 of the humidifying unit 28 is provided near the back surface of the bottom surface of the lower storage container 20, and the discharging portion 30 is provided on the front side inside the lower storage container 20. There is.
  • the absorption unit 29 can absorb and store the moisture due to the dew condensation flowing down the back surface. Therefore, the risk of water rot of vegetables due to dew condensation on the back surface can be suppressed.
  • the inside of the lower storage container 20 can be kept in a high humidity state.
  • the place where the humidifying unit 28 is installed is not limited to the lower storage container 20.
  • the place where the humidifying unit 28 is installed may be, for example, the upper storage container 21.
  • the moisture generated by dew condensation in the upper storage container 21 can be absorbed by the absorption unit 29, and the absorbed moisture can be discharged into the upper storage container 21 by the discharge unit 30. Therefore, the inside of the upper storage container 21 is maintained in a high humidity state, and the risk of water rot due to dew condensation can be suppressed.
  • the refrigerator 1 according to the fourth embodiment is provided with a lid 32 for the purpose of suppressing the intrusion of cold air into the storage container 33, and a humidifying unit 28 is provided on the wall surface of the lid 32 on the storage container 33 side.
  • the humidification unit 28 is composed of an absorption unit 29, a discharge unit 30, and a transport unit 31, as in the first embodiment.
  • the absorption unit 29 is a wall surface portion of the lid 32 on the storage container 33 side, and is cooled by the influence of heat absorption from the switching chamber 6 and the ice making chamber 7 above the vegetable compartment 8, or the storage container. 33 It is provided on the wall surface portion which is cooled by the cold air flowing outside and becomes the dew point temperature or less.
  • the discharge unit 30 is arranged on the front side of the lid 32 on the storage container 33 side.
  • the discharge unit 30 is provided on the wall surface portion of the lid 32 that is warmed by the influence of the outside air that has entered the vegetable compartment 8 when the drawer door 19 is opened and is in a lower humidity state than the absorption unit 29 and the transport unit 31.
  • the transport unit 31 is provided so as to connect the absorption unit 29 and the discharge unit 30.
  • the absorption unit 29 is cooled by the influence of heat absorption from the switching chamber 6 and the ice making chamber 7 above the vegetable compartment 8, or is cooled by the cold air flowing outside the storage container 33 to be below the dew point temperature. It is provided on the wall surface on the container 33 side. Therefore, if there are vegetables in the storage container 33, dew condensation occurs around the absorption unit 29, and the absorption unit 29 absorbs and stores the water generated by the dew condensation.
  • the transport unit 31 moves the absorbed water to the releasing unit by capillary force.
  • the discharge unit 30 is arranged on the front side of the lid 32 on the storage container 33 side.
  • the discharge unit 30 is provided on the wall surface portion of the lid 32 that is warmed by the influence of the outside air that has entered the vegetable compartment 8 when the drawer door 19 is opened and is in a lower humidity state than the absorption unit 29 and the transport unit 31. Therefore, when there is moisture in the release unit 30, the release unit 30 releases the moisture into the air by diffusion due to the humidity difference.
  • the side surface of the lid 32 on the front side of the storage container 33 is generally in the vicinity of a vent through which air escapes to the outside of the storage container 33, and convection of dry air is generated around the vent. Therefore, the ability to release water from the release unit 30 is improved.
  • the absorbing portion 29 of the humidifying unit 28 is provided on the wall surface of the lid 32 on the storage container 33 side, and the discharging portion 30 is provided on the wall surface of the lid 32 on the front side of the storage container 33 side. It is provided.
  • the moisture generated by the dew condensation can be absorbed and stored by the absorbing unit 29, and the water can be released to the low humidity portion by the discharging unit 30. Therefore, the risk of water generated by dew condensation from the lid 32 falling onto the stored vegetables can be suppressed. Further, the risk of water rot of vegetables due to dew condensation can be suppressed, and the inside of the storage container 33 can be maintained in a high humidity state.
  • the discharge portion 30 is provided on the wall surface portion on the storage container 33 side on the front side of the lid 32. Since this wall surface portion is generally an air passage for cold air passing through the storage container 33, convection of air is generated around the wall surface portion.
  • the release capacity of the release unit 30 can be enhanced. Therefore, the size of the discharge unit 30 can be reduced, and the cost can be reduced.
  • the vegetable room has been described as an example of the place where the humidifying unit 28 is installed, but the place where the humidifying unit 28 is installed is not limited to the vegetable room. As another example, it may be another storage room such as a refrigerating room or a freezing room. In addition, not only vegetables but also fruits and rice can be stored in the vegetable compartment.
  • a fiber material such as a non-woven fabric has been described as an example of the material constituting the absorption unit 29.
  • the absorption unit 29 may be a porous body capable of absorbing a larger amount of water generated by dew condensation. Therefore, the absorbing portion 29 is not limited to a fibrous material such as a non-woven fabric. Since the absorbing portion 29 is made of a porous body, the surface area becomes large and a large amount of water can be absorbed and stored.
  • the inside of the storage container can be kept in a high humidity state for a long time, so that the freshness of the vegetables can be kept for a longer time.
  • the absorption unit 29 may have a groove. As a result, the absorption unit 29 can retain the water generated by the dew condensation between the grooves. Further, since the moisture generated by dew condensation can be absorbed and stored only by providing a groove on the wall surface of the storage container, the trouble of installing a new member can be eliminated and the cost can be reduced.
  • a fiber material such as a non-woven fabric has been described as an example of the material constituting the transport unit 31.
  • the transport unit 31 may be a porous body capable of transporting the water absorbed by the absorption unit 29 to the discharge unit 30 by capillary force. Therefore, the transport unit 31 is not limited to a fibrous material such as a non-woven fabric. Since the transport unit 31 is made of a porous body, a large amount of water absorbed by the absorbent unit 29 can be moved to the discharge unit 30 by the capillary force of the porous body.
  • the water absorbed by the absorbing unit 29 can be continuously moved.
  • the absorption performance of the absorption unit 29 can be improved, and the risk of dew condensation in the storage container can be suppressed.
  • the member constituting the transport unit 31 may be a material having anisotropy in the direction in which water moves from the absorption unit 29 to the discharge unit 30. Since the transport unit 31 is made of an anisotropic material, the water moving in the transport unit 31 flows in a certain direction, so that the water is quickly moved to the discharge unit 30 which is the target destination. be able to.
  • the water can be quickly carried to the release unit 30.
  • the storage capacity of the absorption unit 29 can be improved. Therefore, when the number of vegetables is increased or decreased, the risk of water generated by dew condensation falling into the storage container can be suppressed.
  • the transport unit 31 may have a groove. As a result, the water absorbed by the absorbing portion 29 can be moved by the capillary force of the groove. Further, since the water can be transferred only by providing a groove on the wall surface of the storage container, it is possible to eliminate the trouble of installing a new member and reduce the cost.
  • a fiber material such as a non-woven fabric has been described as an example of the material constituting the release unit 30.
  • the release unit 30 may be a porous body capable of releasing more water generated by dew condensation. Therefore, the release unit 30 is not limited to a fibrous material such as a non-woven fabric. Since the release portion 30 is made of a porous body, the surface area becomes large and a large amount of water can be released.
  • the drawer door 19 is warmed by the influence of the outside air that has entered the vegetable compartment 8 when the drawer door 19 is opened, and the absorption unit 29 and the transport unit 31 are warmed.
  • the case of a wall surface in a low humidity state has been described.
  • the discharge portion 30 may be provided in the vicinity of the inflow portion where cold air flows into the storage container from the outside of the storage container. As a result, convection of dry air is generated in the vicinity of the discharge unit 30, so that the ability to release water from the discharge unit 30 can be improved. Therefore, the size of the discharge unit 30 can be reduced while having the same discharge capacity, and the cost can be reduced.
  • the cold air that enters the storage container is relatively dry air compared to the air inside the storage container.
  • the dry air flowing into the storage container can be humidified. Therefore, it is possible to prevent the dry air from hitting the vegetables and the like, and it is expected that the freshness of the vegetables and the like will last for a long time.
  • the discharge unit 30 may be provided in a portion of the inflow portion of the cold air in which the inflow cold air is turbulent. Thereby, the release performance can be further improved.
  • the humidification unit 28 including the absorption unit 29, the transport unit 31, and the release unit 30 has been described.
  • the humidification unit 28 may have an absorption unit 29, a transport unit 31, and a discharge unit 30 integrally formed of the same material.
  • the configuration becomes simpler than in the case where the absorption unit 29, the transport unit 31, and the discharge unit 30 have different materials and configurations. Therefore, the man-hours for assembly can be reduced, and the cost can be reduced.
  • the humidifying unit 28 may be formed by integrally forming the absorbing portion 29, the conveying portion 31, and the discharging portion 30 with a non-woven fabric, and storing the non-woven fabric inside the case.
  • the humidification unit absorbs the moisture generated by dew condensation in the storage container and releases the moisture into the storage container to suppress water rot of vegetables due to dew condensation and to increase the humidity in the storage container. Can be held in. Therefore, it can be applied not only to household or commercial refrigerators or vegetable storages, but also to distribution or warehouses of articles requiring high humidity storage including articles other than vegetables.
  • Refrigerator 2 Insulated box 2a Machine room 3 Outer box 4 Inner box 5 Refrigerator room 6 Switching room 7 Ice making room 8 Vegetable room 9 Freezer room 10 Compressor 11 Cooling room 12 Rear partition wall 13 Cooler 14 Cooling fan 15 Radiant heater 16 Drain pan 17 Drain tube 18 Evaporator 19 Door 20 Lower storage container 21 Upper storage container 22a Partition wall 22b Partition wall 23 Discharge port 24 Vegetable room heater 25 Suction port 26 Temperature sensor 27 Cooling damper 28 Humidification unit 29 Absorber 30 Part 33 Storage container

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Evolutionary Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Toxicology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Packages (AREA)
PCT/JP2021/003187 2020-02-03 2021-01-29 冷蔵庫 WO2021157473A1 (ja)

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CN114275375A (zh) * 2021-12-13 2022-04-05 林星 一种生物科试验材料高湿低温储存装置

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JP2022008514A (ja) 2022-01-13
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JP7637859B2 (ja) 2025-03-03
JP2024071610A (ja) 2024-05-24
CN115038919B (zh) 2024-02-09
JP2021124220A (ja) 2021-08-30

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