WO2020047755A1 - 冰箱 - Google Patents

冰箱 Download PDF

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Publication number
WO2020047755A1
WO2020047755A1 PCT/CN2018/104015 CN2018104015W WO2020047755A1 WO 2020047755 A1 WO2020047755 A1 WO 2020047755A1 CN 2018104015 W CN2018104015 W CN 2018104015W WO 2020047755 A1 WO2020047755 A1 WO 2020047755A1
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WO
WIPO (PCT)
Prior art keywords
air
air inlet
drying chamber
hole
guide post
Prior art date
Application number
PCT/CN2018/104015
Other languages
English (en)
French (fr)
Inventor
江晨钟
岳宝
大森宏
Original Assignee
广东美的白色家电技术创新中心有限公司
美的集团股份有限公司
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 广东美的白色家电技术创新中心有限公司, 美的集团股份有限公司 filed Critical 广东美的白色家电技术创新中心有限公司
Priority to US17/271,183 priority Critical patent/US11828519B2/en
Priority to CN201880040146.5A priority patent/CN111164364B/zh
Priority to EP18932916.2A priority patent/EP3828486A4/en
Priority to PCT/CN2018/104015 priority patent/WO2020047755A1/zh
Publication of WO2020047755A1 publication Critical patent/WO2020047755A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification
    • F25D2317/04111—Control means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/063—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation with air guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0666—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the freezer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/02—Refrigerators including a heater
    • 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
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers

Definitions

  • the invention relates to the technical field of refrigerators, in particular to a refrigerator with a drying chamber.
  • embodiments of the present invention desire to provide a refrigerator with a drying chamber.
  • an embodiment of the present invention provides a refrigerator, including a freezing chamber, a refrigerating chamber, a drying chamber, an air inlet channel, a first sealing device, and a second sealing device.
  • the drying chamber is independently and sealingly disposed in the refrigerator.
  • the drying room is formed with an air inlet and an exhaust port for connecting the drying room and the refrigerating room;
  • the air inlet channel communicates with the freezing room and the drying room, and the air inlet channel Pass the air inlet;
  • the first sealing device is disposed in the drying chamber, and the first sealing device can be switched between closing the air outlet of the air inlet channel and the air outlet of the air inlet channel
  • the second sealing device is provided at the exhaust port, and the second sealing device can be switched between closing the exhaust port and avoiding the exhaust port.
  • the refrigerator includes an air-inducing device, and the air-inducing device is disposed on the air-intake channel to draw the gas in the freezing chamber into the drying chamber.
  • the first sealing device includes a first baffle piece and a first elastic member, the first baffle piece is adapted to an air outlet of the air inlet channel, and the first baffle piece is formed from the drying chamber.
  • the side covers the air outlet of the air inlet channel, and the first baffle is connected to the first elastic member to seal against the air outlet of the air inlet channel under the elastic force of the first elastic member. Office.
  • the first sealing device includes a first mounting seat and a guide post located in the first mounting seat, and an inside of the first mounting seat is formed with a receiving cavity opening toward the air outlet of the air inlet channel.
  • the first baffle piece and the first elastic piece are accommodated in the accommodating cavity, and the first elastic piece is sandwiched between a side of the first baffle piece facing away from the air outlet of the air inlet channel and Between the first mounting bases;
  • the guide post is fixedly installed in the first mounting seat, and the first baffle is slidably connected to the guide post; or the guide post is fixedly connected to the first baffle, and the guide post and The first blocking piece is slidable in the first mounting seat.
  • the refrigerator includes a second mounting seat provided in the drying chamber, the second mounting seat is sandwiched between a side wall of the drying chamber and the first mounting seat; the second mounting A through hole is formed in the seat, and the air inlet end of the through hole is tightly connected with the air inlet, and the air outlet end of the through hole is formed as an air outlet of the air inlet channel; Mentioned through-hole.
  • a protruding portion is formed on a side of the second mounting seat facing the first mounting seat, and the protruding portion projects into the first mounting seat; an inner portion of the protruding portion is formed A plurality of first ribs, and ends of the plurality of first ribs are surrounded by a first support hole, and both ends of the guide post are slidably supported by the first support hole and the first mounting seat On; or,
  • the guide post is fixedly connected to the first support hole and / or the first mounting seat, and the first blocking piece is slidably sleeved on the guide post.
  • a partition is formed between the freezing compartment and the refrigerating compartment, a through hole is formed on the partition, the air inlet passage passes through the through hole, and the through hole and the air inlet Correspondingly set; the air induction device is disposed in the through hole.
  • an air outlet of the air inlet channel is formed as the air inlet, and a plurality of second ribs are formed at the air inlet, and ends of the plurality of second ribs are surrounded by a second A support hole;
  • the guide post is fixedly connected to the first mounting seat and / or the second rib, and the first baffle is slidably sleeved on the guide post; or
  • Both ends of the guide post are slidably supported in the first mounting seat and the second support hole, and the first blocking piece is fixedly connected to the guide post.
  • the air induction device is formed as a fan, a fan or an air pump.
  • a partition is formed between the freezing compartment and the refrigerating compartment, a through hole is formed on the partition, the air inlet passage passes through the through hole, and the through hole and the air inlet
  • the air induction device is formed as an air pump
  • the first sealing device is formed as a self-sealing structure in the air pump
  • the air pump is disposed in the drying chamber
  • the air inlet of the air pump is connected to the air inlet. Gas port seal butt.
  • the refrigerator includes a damper, the damper is disposed at an air inlet of the air inlet channel, and the damper is linked with the air induction device.
  • the second sealing device includes a second blocking piece and a second elastic piece, the second blocking piece covers the exhaust port from the refrigerating compartment side, and the second blocking piece and the first blocking piece The two elastic members are connected to seal against the exhaust port under the elastic force of the second elastic member.
  • the exhaust port is formed on the top of the drying chamber
  • the second sealing device includes a third baffle
  • the third baffle covers the exhaust port from the refrigerating compartment side, so The third baffle is sealed against the exhaust port under its own gravity.
  • the refrigerator further includes a heating element disposed in the drying chamber.
  • the heating power of the heating element is lower than 20 watts.
  • the heating element is a resistance wire or a PTC heating element.
  • the cold air in the freezer room is mixed with the air in the dry room after entering the dry room.
  • the increase in the temperature of the cold air causes the relative humidity in the dry room to decrease, thus achieving the low-temperature dehumidification and drying function in the dry room.
  • a sealing device selectively closes the air outlet of the air inlet channel from the inside of the drying room, so that the first sealing device does not affect the drawing action of the drying room, and also ensures that the drying room maintains a closed environment when cold air is not needed, preventing refrigeration
  • the indoor humidity is poured into the drying room from the air inlet and the cold air is prevented from entering the drying room.
  • FIG. 1 is a simplified structural schematic diagram of a refrigerator according to a first embodiment of the present invention, wherein an air induction device is located in a drying room;
  • FIG. 2 is an exploded schematic view of the air induction device and the first sealing device of the refrigerator according to the first embodiment of the present invention
  • FIG. 3 is a front view of FIG. 2, wherein an end of the first mounting base faces outward from the paper surface;
  • FIG. 4 is a sectional view taken along the A-A direction in FIG. 3;
  • FIG. 5 is a simplified structural schematic diagram of a refrigerator according to a second embodiment of the present invention, wherein an air induction device is located in a through hole of a partition plate;
  • FIG. 6 is an exploded schematic view of a first sealing device of a refrigerator according to a second embodiment of the present invention.
  • orientation words "inside”, “outside”, “top”, and “bottom” used in the embodiments of the present invention are directed to the structure of the refrigerator itself.
  • the refrigerator includes a freezing chamber 11, a refrigerating chamber 13, a drying chamber 12, an air inlet channel, an air induction device 40, a first sealing device, and a second sealing device 30.
  • the drying chamber 12 is independently sealed in the refrigerating chamber 13, and the drying chamber 12 is formed with an air inlet 12a (refer to FIGS. 2 and 6) and an exhaust port 12b.
  • the exhaust port 12b is used to connect the drying chamber 12 and the refrigerator.
  • the chamber 13, that is, the air in the drying chamber 12 enters the refrigerating chamber 13 through the exhaust port 12b.
  • the air inlet of the air inlet channel is located on the freezing chamber 11 side, the air outlet is located on the drying room 12 side, and the air inlet channel passes through the air inlet 12a.
  • the freezing compartment 11 and the refrigerating compartment 13 are arranged adjacent to each other, and a partition 10 is provided between the freezing compartment 11 and the refrigerating compartment 13.
  • a through hole 101 is formed in the partition 10, and the air inlet passage passes through the through hole 101 and communicates with The hole 101 is provided corresponding to the air inlet 12 a of the drying chamber 12.
  • the first sealing device is located in the drying chamber 12, and the first sealing device is provided corresponding to the air outlet of the air inlet channel.
  • the first sealing device may be located between the air outlet of the closed air inlet channel and the air outlet of the air inlet channel. Switch.
  • the second sealing device 30 is provided at the exhaust port 12b, and the second sealing device 30 can be switched between closing the exhaust port 12b and avoiding the exhaust port 12b.
  • cold air is introduced from the freezing chamber 11 to the drying chamber 12.
  • the first sealing device is in a position to avoid the air inlet channel
  • the second sealing device 30 is in a position to avoid the exhaust port 12b, and freezes.
  • the cold air in the chamber 11 enters the drying chamber 12 through the air inlet passage.
  • the cold air in the freezing compartment 11 is approximately -18 ° C
  • the temperature in the refrigerating compartment 13 is approximately 5 ° C.
  • the temperature in the drying compartment 12 is relatively close to the temperature in the refrigerating compartment 13, and the cold air enters the drying compartment 12 and the drying compartment.
  • the air in 12 is mixed and the temperature rises to about 5 ° C.
  • the increase in the temperature of the cold air causes the relative humidity in the drying chamber 12 to decrease. In this way, the low-temperature dehumidification and drying function in the drying chamber 12 is realized, which is beneficial to the preservation of dry food.
  • the first sealing device closes the air inlet passage from the inside of the drying room 12, and the second sealing device 30 closes the exhaust port 12b, so that the drying room 12 forms a closed space to prevent the inside of the refrigerating room 13.
  • the moisture returned to the drying chamber 12 affects the humidity in the drying chamber 12.
  • the drying room 12 is generally a drawer-type structure, which needs to be pulled outwards by the user during normal use.
  • the design of the drying room 12 needs to meet the drawing action that does not affect the drying room 12. Therefore, the side walls of the drying room 12 and the refrigerator are refrigerated.
  • the refrigerator of the embodiment of the present invention selectively closes the air outlet of the air inlet passage from the inside of the drying chamber 12 through the first sealing device, so that the first sealing device is not only Does not affect the drawing action of the drying chamber 12, and also ensures that the drying chamber 12 maintains a closed environment when it is not necessary to introduce cold air.
  • the first sealing device prevents the moisture in the refrigerating chamber 13 from being poured into the drying chamber 12 from the air inlet 12a;
  • the first sealing device includes a first blocking piece 22 and a first elastic member 23.
  • the first blocking piece 22 is adapted to the air outlet of the air inlet channel.
  • the side covers the air outlet of the air inlet channel, and the first baffle piece 22 is connected to the first elastic member 23 to seal against the air outlet of the air inlet channel under the elastic force of the first elastic member 23.
  • the first baffle piece 22 When there is no cold air flowing through the air inlet passage, the first baffle piece 22 is automatically reset under the elastic force of the first elastic member 23, thereby covering the air outlet of the air inlet passage, so that the first baffle piece 22 is in a closed air inlet passage.
  • the first baffle 22 of the embodiment of the present invention can be opened and closed automatically without electrical control, and the operation reliability is high; and the structure of the first baffle 22 and the first elastic member 23 can maintain a certain degree in the drying chamber 12 Positive pressure (the air pressure inside the drying chamber is higher than the air pressure outside the drying chamber) to prevent airflow outside the drying chamber 12 from entering the drying chamber 12.
  • the first sealing device further includes a first mounting base 21 and a guide post 24 located in the first mounting base 21.
  • the mounting base 21 is fixedly connected to the side wall of the drying chamber 12. It can be understood that the first mounting base 21 may be directly fixedly connected to the side wall of the drying chamber 12, or may be indirectly fixedly connected to the side wall of the drying chamber 12 through other components.
  • a receiving cavity 21a is formed in the first mounting base 21, and the first blocking piece 22 and the first elastic piece 23 are received in the receiving cavity 21a.
  • the first elastic piece 23 is sandwiched between the first blocking piece 21 and the first elastic piece 23.
  • the first mounting base 21 can better protect the first blocking piece 22 and the first elastic member 23 and prevent other items stored in the drying chamber 12 from touching the first blocking piece 22 and the first elastic member 23, Thus, the operation reliability of the first blocking piece 22 and the first elastic member 23 is guaranteed.
  • the guide post 24 is fixedly installed in the first mounting base 21. It can be understood that the guide post 24 may be fixedly connected to the first mounting base 21 at one end. , The other end is a free end; or one end of the guide post 24 is directly or indirectly fixedly connected to the side wall of the drying chamber 12 and the other end is a free end; or, one end of the guide post 24 is directly or indirectly connected to the drying chamber 12
  • the side wall is fixedly connected, and the other end is fixedly connected to the first mounting base 21.
  • the first blocking piece 22 is slidably connected to the guide post 24, that is, the first blocking piece 22 can slide along the length of the guide post 24 under the action of the first elastic member 23. The movement of the first guide plate 22 plays a better guiding role, and improves the operation reliability of the first blocking piece 22.
  • the guide post 24 is fixedly connected to the first blocking piece 22, and the guide post 24 and the first blocking piece 22 can slide in the first mounting base 21. Specifically, one end of the guide post 24 is slidably supported on the end of the first mounting base 21, and the other end of the guide post 24 is slidably supported on the side wall of the drying chamber 12 or a component fixedly connected to the side wall of the drying chamber 12. . In this way, the guide post 24 drives the first blocking piece 22 to slide in the first mounting seat 21.
  • the air induction device 40 is disposed on the air inlet channel to draw the gas in the freezing chamber 11 into the drying chamber 12, that is, a forced air flow is formed between the freezing chamber 11 and the drying chamber 12 through the air intake device.
  • the cold air in the freezing chamber 11 is introduced into the drying chamber 12 efficiently and actively, so that the drying chamber 12 can be quickly dehumidified in 3-5 minutes, which meets the requirements of the drying chamber 12 for rapid dehumidification.
  • the air induction device 40 may be provided in the drying room 12, or may be provided in a space between the refrigerating room 13 and the freezing room 11, or may be provided in the freezing room 11.
  • the first sealing device further includes a damper 25 provided at an air inlet of the air inlet passage, and the damper 25 is linked with the air induction device 40. That is, when the air induction device 40 is opened, the damper 25 is opened, and when the air induction device 40 is closed, the damper 25 is also closed. Specifically, when the through hole 101 on the partition plate 10 on the side of the freezing compartment 11 is formed as an air inlet of the air inlet passage, the damper 25 may be disposed at the through hole 101. The damper 25 is closed following the air induction device 40.
  • the damper 25 can prevent the airflow disturbance on the side of the freezing chamber 11 and accidentally open the above-mentioned first baffle 22, thereby ensuring the stable humidity in the drying chamber 12. Sex. Therefore, in the refrigerator according to the embodiment of the present invention, the air door 25 and the first baffle plate 22 have a dual sealing protection effect on the air inlet passage, thereby ensuring the sealing reliability in the drying chamber 12. It can be understood that the size of the opening of the damper 25 can be adjusted, so that the size of the airflow of the cold air entering the drying chamber 12 can be adjusted.
  • the position of the exhaust port 12b is not limited, and it can be arranged on the top or the side. It can be understood that the relationship between the position of the exhaust port 12b and the position of the air outlet of the air inlet channel should satisfy: The airflow discharged from the air outlet is mixed with the air in the drying chamber 12 to a large extent, and then discharged from the air outlet 12b, so that the airflow in the drying chamber 12 is replaced to the greatest extent.
  • the second sealing device includes a second baffle (not shown) and a second elastic member (not shown).
  • the second baffle covers the exhaust port 12b from the refrigerator compartment 13 side, and the second baffle and the second elastic member It is connected to seal against the exhaust port 12b under the elastic force of the second elastic member.
  • the second baffle piece and the second elastic piece may adopt the structural forms of the first baffle piece 22 and the first elastic piece 23 described above, or may be formed into a structural form of a spring door.
  • the sealing principle and working process are the same as those of the first baffle piece 22 described above. Similar to the sealing principle and working process of the first elastic member 23, details are not described herein again.
  • the refrigerator includes a third baffle (not shown), and when the exhaust port 12b is provided on the top of the drying chamber 12, the second baffle covers the exhaust from the side of the refrigerating compartment 13
  • the port 12b and the third baffle can be sealed against the exhaust port 12b under the action of its own gravity.
  • the air induction device 40 When the air induction device 40 is activated, the inside of the drying chamber 12 is in a positive pressure state, the third baffle is pushed up by the action of air pressure, and the airflow in the drying chamber 12 enters the refrigerating chamber 13 through the exhaust port 12b.
  • the air induction device 40 is closed, the air pressure in the drying chamber 12 gradually decreases, and the third baffle gradually resets under the action of its own gravity.
  • the third baffle has a simple structure, which is helpful to simplify the installation process.
  • the air induction device 40 may be a device capable of generating airflow, such as a fan, a fan, or an air pump.
  • the refrigerator includes a heating element 60 provided in the drying chamber 12.
  • the heating element 60 may be a resistance wire, a PTC (Positive Temperature Coefficent) heating element, or the like.
  • the power of the heating element 60 should be set below 20 watts.
  • the rate of humidity drop is much faster than the temperature, so generally there is no need to activate the heating element 60 for active temperature control.
  • the item itself will continuously emit water vapor into the drying room 12, causing the humidity in the drying room 12 to remain high.
  • the drying chamber 12 will continue to introduce the cold air in the freezing chamber 11, resulting in the temperature in the drying chamber 12 being too low, which may frostbite other food.
  • the heating element 60 can be turned on. During the low-power slow heating process, the heating element 60 gradually increases the temperature in the drying chamber 12, so that the temperature in the drying chamber 12 is increased. The temperature can be maintained within a suitable temperature range, and the relative humidity in the drying chamber 12 can be reduced.
  • the opening and closing of the heating member 60 can be controlled according to the temperature and humidity in the drying chamber 12.
  • the air induction device 40 is disposed in the drying chamber 12.
  • the refrigerator further includes a second mounting seat 50, which is sandwiched between the side wall of the drying chamber 12 and the first mounting seat 21.
  • a penetration hole is formed in the second mounting seat 50.
  • Hole 50a the air inlet passage passes through the through hole 50a, the air inlet end of the through hole 50a and the air inlet 12a are sealed and docked, the air outlet end of the through hole 50a is formed as the air outlet of the air inlet channel, and the air induction device 40 is provided in the through hole Within 50a.
  • a protruding portion 51 is formed on a side of the second mounting base 50 facing the first mounting base 21, and the protruding portion 51 projects into the first mounting base 21, so that the first mounting base 21 and the second mounting base are conveniently lifted.
  • the connection reliability of 50 prevents relative sliding of the connection between the first mounting base 21 and the second mounting base 50.
  • a plurality of first ribs 52 are formed inside the protruding portion 51. The ends of the plurality of first ribs 52 are surrounded by a first support hole 52a. One end of the guide post 24 is slidably supported by the first support hole 52a. The first support hole 52a is fixedly embedded therein.
  • the air guiding device 40 is disposed in the through hole 101.
  • the air inlet 12 a of the drying chamber 12 is formed as an air outlet of an air inlet channel, and an end of the first mounting seat 21 is directly fixedly connected to a side wall of the drying chamber 12.
  • a plurality of second ribs 121 are formed at the air inlet 12a, and the plurality of second ribs 121 are surrounded by a second support hole 121a.
  • One end of the guide post 24 is slidably supported in the second support hole 121a or Fixedly embedded in the second support hole 121a.
  • the air induction device is formed as an air pump (not shown), and the air pump is disposed in the drying chamber 12.
  • the air inlet end of the air pump is hermetically connected to the air inlet 12a of the drying chamber 12, the air outlet end of the air pump is formed as the air outlet of the air inlet channel, and the cold air in the freezing chamber 11 passes through the through hole 101, the air inlet 12a, and the air pump. Then enter the drying chamber 12. Since the air pump itself has a self-sealing structure, an effective gas isolation can be performed between an air inlet end and an air outlet end of the air pump. Therefore, in this embodiment, the first sealing device is formed as a self-sealing structure inside the air pump.

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Abstract

提供一种冰箱，包括冷冻室（11）、冷藏室（13）、干燥室（12）、进风通道、第一密封装置以及第二密封装置（30），干燥室（12）独立密封地设置于冷藏室（13）内，干燥室（12）形成有进气口（12a）和排气口（12b）；第一密封装置设置于干燥室（12）且可在封闭进风通道的出风口和避让进风通道的出风口之间切换；第二密封装置（30）设置于排气口（12b）且可在封闭排气口（12b）和避让排气口（12b）之间切换。冷冻室（11）内的冷气进入干燥室（12）后与干燥室（12）内的空气混合，冷气的温度升高使得干燥室（12）内的相对湿度下降，如此实现干燥室（12）内的低温除湿干燥功能，再者，通过第一密封装置从干燥室（12）内侧选择性地封闭进风通道的出风口处，使得第一密封装置既不影响干燥室（12）的抽拉动作，也保证了干燥室（12）在不需要引入冷气时保持封闭环境。

Description

冰箱 技术领域
本发明涉及冰箱技术领域，尤其涉及一种带干燥室的冰箱。
背景技术
目前，大多数冰箱仍然没有调控湿度的功能，冰箱内的湿度波动较大，一般在RH(relative humidity，相对湿度)90％-RH30％。当需要保存对湿度敏感的干货时，如干果、饼干、药材等，如果放入冷藏室，则容易受潮，如果放入冷冻室，冷冻室的干燥低温环境会使得干货等食品处于极低的温度环境，从冰箱中拿出来时不宜直接食用，且冷冻室内压缩机启停时湿度波动范围极大。
发明内容
有鉴于此，本发明实施例期望提供一种带有干燥室的冰箱。
为达到上述目的，本发明实施例提供一种冰箱，包括冷冻室、冷藏室、干燥室、进风通道、第一密封装置以及第二密封装置，所述干燥室独立密封地设置于所述冷藏室内，所述干燥室形成有进气口和用于连通所述干燥室和所述冷藏室的排气口；所述进风通道连通所述冷冻室和所述干燥室，所述进风通道经过所述进气口；所述第一密封装置设置于所述干燥室内，所述第一密封装置可在封闭所述进风通道的出风口和避让所述进风通道的出风口之间切换；所述第二密封装置设置于所述排气口处，所述第二密封装置可在封闭所述排气口和避让所述排气口之间切换。
进一步地，所述冰箱包括引风装置，所述引风装置设置于所述进风通道上以将所述冷冻室内的气体引流至所述干燥室内。
进一步地，所述第一密封装置包括第一挡片和第一弹性件，所述第一挡片与所述进风通道的出风口适配，所述第一挡片从所述干燥室一侧覆盖所述进风通道的出风口，所述第一挡片与所述第一弹性件连接以在所述第一弹性件的弹性力作用下密封抵靠于所述进风通道的出风口处。
进一步地，所述第一密封装置包括第一安装座和位于所述第一安装座内的导向柱，所述第一安装座的内部形成有开口朝向所述进风通道的出风口的容纳腔，所述第一挡片和所述第一弹性件容纳于所述容纳腔内，所述第一弹性件夹设于所述第一挡片背离所述进风通道的出风口的一侧和所述第一安装座之间；
所述导向柱固定安装于所述第一安装座内，所述第一挡片与所述导向柱滑动连接；或者所述导向柱与所述第一挡片固定连接，所述导向柱和所述第一挡片可在所述第一安装座内滑动。
进一步地，所述冰箱包括设置于所述干燥室内的第二安装座，所述第二安装座夹设于所述干燥室的侧壁和所述第一安装座之间；所述第二安装座内形成有贯穿孔，所述贯穿孔的进气端与所述进气口密封对接，所述贯穿孔的出气端形成为所述进风通道的出风口；所述引风装置设置于所述贯穿孔内。
进一步地，所述第二安装座的朝向所述第一安装座的一侧形成有凸伸部，所述凸伸部伸入所述第一安装座内；所述凸伸部的内部形成有多个第一筋条，多个所述第一筋条的端部围设成第一支撑孔，所述导向柱的两端滑动地支撑于所述第一支撑孔和所述第一安装座上；或者，
所述导向柱与所述第一支撑孔和/或所述第一安装座固定连接，所述第一挡片滑动地套设于所述导向柱上。
进一步地，所述冷冻室和所述冷藏室之间形成有隔板，所述隔板上形成有通孔，所述进风通道经过所述通孔，所述通孔与所述进气口对应设置；所述引风装置设置于所述通孔内。
进一步地，所述进风通道的出风口形成为所述进气口，所述进气口处形成有多个第二筋条，多个所述第二筋条的端部围设成第二支撑孔；所述导向柱与所述第一安装座和/或所述第二筋条固定连接，所述第一挡片滑动地套设于所述导向柱上；或者，
所述导向柱的两端滑动地支撑于所述第一安装座和所述第二支撑孔内，所述第一挡片与所述导向柱固定连接。
进一步地，所述引风装置形成为风扇、风机或气泵。
进一步地，所述冷冻室和所述冷藏室之间形成有隔板，所述隔板上形成有通孔，所述进风通道经过所述通孔，所述通孔与所述进气口对应设置；所述引风装置形成为气泵，所述第一密封装置形成为所述气泵内的自密封结构，所述气泵设置于所述干燥室内，所述气泵的进气口与所述进气口密封对接。
进一步地，所述冰箱包括风门，所述风门设置于所述进风通道的进风口处，所述风门与所述引风装置联动。
进一步地，所述第二密封装置包括第二挡片和第二弹性件，所述第二挡片从所述冷藏室一侧覆盖所述排气口，所述第二挡片与所述第二弹性件连接以在所述第二弹性件的弹性力作用下密封抵靠于所述排气口处。
进一步地，所述排气口形成于所述干燥室的顶部，所述第二密封装置包括第三挡片，所述第三挡片从所述冷藏室一侧覆盖所述排气口，所述第三挡片在自身重力下密封抵接于所述排气口处。
进一步地，所述冰箱还包括设置于所述干燥室内的加热件。
进一步地，所述加热件的加热功率低于20瓦。
进一步地，所述加热件为电阻丝或PTC发热体。
本发明实施例的冰箱，冷冻室内的冷气进入干燥室后与干燥室内的空气混合，冷气的温度升高使得干燥室内的相对湿度下降，如此实现干燥室内的低温除湿干燥功能；再者，通过第一密封装置从干燥室内侧选择性地封闭进 风通道的出风口处，使得第一密封装置既不影响干燥室的抽拉动作，也保证干燥室在不需要引入冷气时保持封闭环境，防止冷藏室内的湿气从进气口处倒灌进入干燥室内以及防止冷气进入干燥室。
附图说明
图1为本发明第一实施例的冰箱的简化结构示意图，其中，引风装置位于干燥室内；
图2为本发明第一实施例的冰箱的引风装置和第一密封装置的爆炸示意图；
图3为图2的正视图，其中，第一安装座的端部朝向纸面外；
图4为沿图3中A-A方向的剖视图；
图5为本发明第二实施例的冰箱的简化结构示意图，其中，引风装置位于隔板的通孔内；
图6为本发明第二实施例的冰箱的第一密封装置的爆炸结构示意图。
附图标记说明
10、隔板          101、通孔        11、冷冻室       12、干燥室
12a、进气口       12b、排气口      121、第二筋条    13、冷藏室
121a、第二支撑孔  21、第一安装座   21a、容纳腔      22、第一挡片
23、第一弹性件    24、导向柱       25、风门         40、引风装置
30、第二密封装置  50、第二安装座   50a、贯穿孔      51、凸伸部
52、第一筋条      52a、第一支撑孔  60、加热件
120、干燥室的侧壁
具体实施方式
本发明实施例中使用的方位词“内”、“外”、“顶”、“底”是针对冰箱的 本身结构而言。
本发明实施例提供一种冰箱，请参阅图1和图5，包括冷冻室11、冷藏室13、干燥室12、进风通道、引风装置40、第一密封装置以及第二密封装置30。其中，干燥室12独立密封地位于冷藏室13内，干燥室12形成有进气口12a(请参照图2和图6)和排气口12b，排气口12b用于连通干燥室12和冷藏室13，也就是说，干燥室12内的空气通过该排气口12b进入冷藏室13。进风通道的进风口位于冷冻室11一侧、出风口位于干燥室12一侧，进风通道经过进气口12a。具体地，冷冻室11和冷藏室13相邻设置，冷冻室11和冷藏室13之间设置有隔板10，隔板10上形成有通孔101，进风通道经过该通孔101，且通孔101与干燥室12的进气口12a对应设置。第一密封装置位于干燥室12内，且第一密封装置对应于进风通道的出风口设置，具体地，第一密封装置可在封闭进风通道的出风口和避让进风通道的出风口之间切换。第二密封装置30设置于排气口12b处，且第二密封装置30可在封闭排气口12b和避让排气口12b之间切换。当干燥室12内需要除湿时，从冷冻室11引入冷气至干燥室12，此时，第一密封装置处于避让进风通道的位置，第二密封装置30处于避让排气口12b的位置，冷冻室11内的冷气经进风通道进入干燥室12内。一般地，冷冻室11的冷气大约为-18℃，冷藏室13的温度大约为5℃，干燥室12内的温度与冷藏室13内的温度较为接近，该冷气进入干燥室12后与干燥室12内的空气混合，温度升高至大约5℃，冷气的温度升高使得干燥室12内的相对湿度下降，如此实现干燥室12内的低温除湿干燥功能，有利于干货食品的保存。当干燥室12不需要引入冷气时，第一密封装置从干燥室12的内侧封闭进风通道，第二密封装置30封闭排气口12b，使得干燥室12形成一个密闭空间，防止冷藏室13内的湿气回流至干燥室12内而影响干燥室12内的湿度。干燥室12一般为抽屉式结构，在正常使用过程中需要由用户向外抽拉，干燥室12的设计需要满足不影响干燥室12的抽 拉动作，因此，在干燥室12的侧壁和冷藏室13的侧壁120之间会存在间隙，藉此，本发明实施例的冰箱，通过第一密封装置从干燥室12内侧选择性地封闭进风通道的出风口处，使得第一密封装置既不影响干燥室12的抽拉动作，也保证干燥室12在不需要引入冷气时保持封闭环境，一方面，防止冷藏室13内的湿气从进气口12a处倒灌进入干燥室12内；另一方面，也能防止冷气进入干燥室12，保证干燥室12内的湿度保持在合适的预定范围内，即湿度平稳性较好。
请参阅图2和图6，第一密封装置包括第一挡片22和第一弹性件23，第一挡片22与进风通道的出风口适配，第一挡片22从干燥室12一侧覆盖进风通道的出风口，第一挡片22与第一弹性件23连接以在第一弹性件23的弹性力作用下密封抵靠于进风通道的出风口处。当冷气从冷冻室11进入干燥室12时，冷气的气压克服第一弹性件23的弹性力进而将第一挡片22顶开，第一挡片22处于避让进风通道的位置，以使得冷气能够顺利经进风通道的出风口进入干燥室12内。当没有冷气流经进风通道时，第一挡片22在第一弹性件23的弹性力作用下自动复位，进而覆盖进风通道的出风口，使得第一挡片22处于封闭进风通道的出风口的位置。该本发明实施例的第一挡片22可以自动开启和自动关闭，无需电气控制，运行可靠性高；且第一挡片22和第一弹性件23的结构可以使得干燥室12内保持一定的正压(干燥室内的气压高于干燥室外的气压)，以防止干燥室12外的气流进入干燥室12内。
为便于第一挡片22和第一弹性件23的安装，请参阅图2和图6，第一密封装置还包括第一安装座21和位于第一安装座21内的导向柱24，第一安装座21与干燥室12的侧壁固定连接。可以理解的是，第一安装座21可以是直接与干燥室12的侧壁固定连接，也可以是通过其他部件间接与干燥室12的侧壁固定连接。第一安装座21的内部形成有开口朝向进风通道出风口的容纳腔21a，第一挡片22和第一弹性件23容纳于容纳腔21a内，第一弹性件 23夹设于第一挡片22背离进风通道的出风口的一侧和第一安装座21的容纳腔21a的底部之间。第一安装座21能够对第一挡片22和第一弹性件23起到较好的保护作用，防止干燥室12内的存放的其他物品触碰第一挡片22和第一弹性件23，从而保障了第一挡片22和第一弹性件23的运行可靠性。
本发明示出的实施例中，请参阅图4和图6，导向柱24固定安装于第一安装座21内，可以理解的是，该导向柱24可以是一端与第一安装座21固定连接，另一端为自由端；或者，导向柱24的一端直接或间接地与干燥室12的侧壁固定连接，另一端为自由端；更或者，导向柱24的一端直接或间接地与干燥室12的侧壁固定连接，另一端与第一安装座21固定连接。第一挡片22与导向柱24滑动连接，也就是说，第一挡片22可在第一弹性件23的作用下沿着导向柱24的长度方向滑动，导向柱24对第一挡片22的运动起到较好的导向作用，提升第一挡片22的运行可靠性。
在一未示出的实施例中，导向柱24与第一挡片22固定连接，导向柱24和第一挡片22可在第一安装座21内滑动。具体地，导向柱24的一端滑动地支撑于第一安装座21的端部，导向柱24的另一端滑动地支撑于干燥室12的侧壁或者与干燥室12的侧壁固定连接的部件上。如此，导向柱24带动第一挡片22在第一安装座21内滑动。
引风装置40设置于进风通道上以将冷冻室11内的气体引流至干燥室12内，也就是说，通过进风装置强制性地在冷冻室11和干燥室12之间形成气流流动，以高效地、主动地将冷冻室11内的冷气引入干燥室12内，使得干燥室12可在3-5分钟内迅速除湿，满足干燥室12快速除湿的要求。
引风装置40可以设置于干燥室12内，也可以设置在冷藏室13和冷冻室11之间的间隔内，还可以设置在冷冻室11内。
进一步，请参阅图1和图5，第一密封装置还包括设置于进风通道的进风口处的风门25，该风门25与引风装置40联动。也就是说，引风装置40 开启时，该风门25开启，当引风装置40关闭时，该风门25也关闭。具体地，当上述隔板10上的通孔101的位于冷冻室11的一侧形成为进风通道的进风口时，该风门25可设置于该通孔101处。风门25跟随引风装置40关闭，在干燥室12处于密闭过程中时，风门25可以防止冷冻室11侧的气流扰动而意外地打开上述的第一挡片22，保证干燥室12内湿度的平稳性。因此，本发明实施例的冰箱，风门25和第一挡片22对进风通道起到双重密封保护作用，保障了干燥室12内的密封可靠性。可以理解的是，该风门25的开口大小可以调节，以使得进入干燥室12内的冷气的气流量的大小可以调节。
排气口12b的位置不限，可以设置于顶部也可以是侧部，可以理解的是，该排气口12b的位置与进风通道的出风口的位置的关系应满足：从进风通道的出风口排出的气流与干燥室12内的空气形成较大程度的混合后从排气口12b排出，以使得干燥室12内的气流得到最大程度的置换。
第二密封装置包括第二挡片(图未示)和第二弹性件(图未示)，第二挡片从冷藏室13一侧覆盖排气口12b，第二挡片与第二弹性件连接以在第二弹性件的弹性力作用下密封抵靠于排气口12b处。第二挡片和第二弹性件可采用上述的第一挡片22和第一弹性件23的结构形式，或者形成为弹簧门的结构形式，密封原理和工作过程与上述的第一挡片22和第一弹性件23的密封原理和工作过程相似，在此不再赘述。
在另一未示出的实施例中，冰箱包括第三挡片(图未示)，排气口12b设置于干燥室12的顶部时，第二档片从冷藏室13一侧覆盖该排气口12b，第三挡片可以在自身重力作用下密封抵接于排气口12b处。当引风装置40启动，干燥室12内处于正压状态，第三挡片在气压作用下被顶开，干燥室12内的气流从排气口12b处进入冷藏室13。当引风装置40关闭，干燥室12内的气压逐渐减小，第三挡片在自身重力作用下逐渐复位。当干燥室12内的气压小于第三挡片的重力时，第三挡片牢靠地抵接于排气口12b处，因此，冷藏室 13内的湿气无法通过第三挡片进入干燥室12内。第三挡片结构简单，利于简化安装工序。
可以理解的是，本发明实施例中，引风装置40可以是风扇、风机或者气泵等可以产生气流的装置。
进一步地，冰箱包括设置于干燥室12内的加热件60，该加热件60可以是电阻丝、PTC(PositiveTemperature Coefficent)发热体等。为避免加热件60工作时大幅度升高冰箱内的温度，本实施例中，加热件60的功率应设置在20瓦以下。一般情况下，湿度下降的速度远快于温度，因此一般不需要启动该加热件60进行主动控温。但在一些特殊情况下，例如，当干燥室12内存放湿度较大的、需要阴凉风干的物品时，物品本身会不断地向干燥室12内散发水汽，导致干燥室12内的湿度居高不下，此时，由于干燥室12内的湿度未达到设定要求，干燥室12将会持续引入冷冻室11内的冷气，导致干燥室12内气温过低，如此可能会冻伤其他食品。本实施例中，通过增设加热件60，当出现上述情况时，可开启加热件60，加热件60在低功率慢热过程中，逐渐升高干燥室12内的温度，使得干燥室12内的温度可以保持在合适的温度范围内，降低干燥室12内的相对湿度。当然，可以理解的是，加热件60的开启和关闭可以根据干燥室12内的温度和湿度进行控制。
以下结合图1-图4对本发明第一实施例进行说明。
请参阅图1-图4，本发明第一实施例中，引风装置40设置于干燥室12内。为便于引风装置40的安装，冰箱还包括第二安装座50，第二安装座50夹设于干燥室12的侧壁和第一安装座21之间，第二安装座50内形成有贯穿孔50a，进风通道经过该贯穿孔50a，贯穿孔50a的进气端与进气口12a密封对接，贯穿孔50a的出气端形成为进风通道的出风口，引风装置40设置于贯穿孔50a内。进一步，第二安装座50的朝向第一安装座21的一侧形成有凸伸部51，凸伸部51伸入第一安装座21内，如此便于提升第一安装座21和 第二安装座50的连接可靠性，防止第一安装座21与第二安装座50的连接处发生相对滑移。凸伸部51的内部形成有多个第一筋条52，多个第一筋条52的端部围设成第一支撑孔52a，导向柱24的一端滑动地支撑于该第一支撑孔52a内或者固定嵌设于该第一支撑孔52a内。
以下结合图5和图6对本发明的第二实施例进行说明。
请参阅图5和图6，本发明的第二实施例中，与上述第一实施例不同的是，第二实施例中，引风装置40设置于通孔101中。干燥室12的进气口12a形成为进风通道的出风口，第一安装座21的端部直接与干燥室12的侧壁固定连接。进一步，进气口12a处形成有多个第二筋条121，多个第二筋条121围设成第二支撑孔121a，导向柱24的一端滑动地支撑于该第二支撑孔121a内或固定地嵌设于该第二支撑孔121a内。
本发明未示出的第三实施例中，引风装置形成为气泵(图未示)，气泵设置于干燥室12内。具体地，气泵的进气端与干燥室12的进气口12a密封对接，气泵的出气端形成为进风通道的出气口，冷冻室11内的冷气经通孔101、进气口12a以及气泵后进入干燥室12内。由于气泵本身具有自密封结构，使得气泵的进气端和出气端之间能够进行有效的气体隔离，因此，本实施例中，第一密封装置形成为气泵内部的自密封结构。
以上所述，仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围。

Claims (16)

  1. 冰箱，包括冷冻室(11)和冷藏室(13)，其特征在于，还包括：
    干燥室(12)，所述干燥室(12)独立密封地设置于所述冷藏室(13)内，所述干燥室(12)形成有进气口(12a)和用于连通所述干燥室(12)和所述冷藏室(13)的排气口(12b)；
    进风通道，所述进风通道连通所述冷冻室(11)和所述干燥室(12)，所述进风通道经过所述进气口(12a)；
    第一密封装置，所述第一密封装置设置于所述干燥室(12)内，所述第一密封装置可在封闭所述进风通道的出风口和避让所述进风通道的出风口之间切换；
    第二密封装置(30)，所述第二密封装置(30)设置于所述排气口(12b)处，所述第二密封装置(30)可在封闭所述排气口(12b)和避让所述排气口(12b)之间切换。
  2. 根据权利要求1所述的冰箱，其特征在于，所述冰箱包括引风装置(40)，所述引风装置(40)设置于所述进风通道上以将所述冷冻室(11)内的气体引流至所述干燥室(12)内。
  3. 根据权利要求2所述的冰箱，其特征在于，所述第一密封装置包括第一挡片(22)和第一弹性件(23)，所述第一挡片(22)与所述进风通道的出风口适配，所述第一挡片(22)从所述干燥室(12)一侧覆盖所述进风通道的出风口，所述第一挡片(22)与所述第一弹性件(23)连接以在所述第一弹性件(23)的弹性力作用下密封抵靠于所述进风通道的出风口处。
  4. 根据权利要求3所述的冰箱，其特征在于，所述第一密封装置包括第一安装座(21)和位于所述第一安装座(21)内的导向柱(24)，所述第一安装座(21)的内部形成有开口朝向所述进风通道的出风口的容纳腔(21a)，所述第一挡片 (22)和所述第一弹性件(23)容纳于所述容纳腔(21a)内，所述第一弹性件(23)夹设于所述第一挡片(22)的背离所述进风通道的出风口的一侧和所述第一安装座(21)之间；
    所述导向柱(24)固定安装于所述第一安装座(21)内，所述第一挡片(22)与所述导向柱(24)滑动连接；或者所述导向柱(24)与所述第一挡片(22)固定连接，所述导向柱(24)和所述第一挡片(22)可在所述第一安装座(21)内滑动。
  5. 根据权利要求4所述的冰箱，其特征在于，所述冰箱包括设置于所述干燥室(12)内的第二安装座(50)，所述第二安装座(50)夹设于所述干燥室(12)的侧壁(120)和所述第一安装座(21)之间；所述第二安装座(50)内形成有贯穿孔(50a)，所述贯穿孔(50a)的进气端与所述进气口(12a)密封对接，所述贯穿孔(50a)的出气端形成为所述进风通道的出风口；所述引风装置(40)设置于所述贯穿孔(50a)内。
  6. 根据权利要求5所述的冰箱，其特征在于，所述第二安装座(50)的朝向所述第一安装座(21)的一侧形成有凸伸部(51)，所述凸伸部(51)伸入所述第一安装座(21)内；所述凸伸部(51)的内部形成有多个第一筋条(52)，多个所述第一筋条(52)的端部围设成第一支撑孔(52a)，所述导向柱(24)的两端滑动地支撑于所述第一支撑孔(52a)和所述第一安装座(21)上；或者，
    所述导向柱(24)与所述第一支撑孔(52a)和/或所述第一安装座(21)固定连接，所述第一挡片(22)滑动地套设于所述导向柱(24)上。
  7. 根据权利要求4所述的冰箱，其特征在于，所述冷冻室(11)和所述冷藏室(13)之间形成有隔板(10)，所述隔板(10)上形成有通孔(101)，所述进风通道经过所述通孔(101)，所述通孔(101)与所述进气口(12a)对应设置；所述引风装置(40)设置于所述通孔(101)内。
  8. 根据权利要求7所述的冰箱，其特征在于，所述进风通道的出风口形成为所述进气口(12a)，所述进气口(12a)处形成有多个第二筋条(121)，多个所 述第二筋条(121)的端部围设成第二支撑孔(121a)；所述导向柱(24)与所述第一安装座(21)和/或所述第二支撑孔(121a)固定连接，所述第一挡片(22)滑动地套设于所述导向柱(24)上；或者，
    所述导向柱(24)的两端滑动地支撑于所述第一安装座(21)和所述第二支撑孔(121a)内，所述第一挡片(22)与所述导向柱(24)固定连接。
  9. 根据权利要求2-8任一项所述的冰箱，其特征在于，所述引风装置(40)形成为风扇、风机或气泵。
  10. 根据权利要求2所述的冰箱，其特征在于，所述冷冻室(11)和所述冷藏室(13)之间形成有隔板(10)，所述隔板(10)上形成有通孔(101)，所述进风通道经过所述通孔(101)，所述通孔(101)与所述进气口(12a)对应设置；所述引风装置(40)形成为气泵，所述第一密封装置形成为所述气泵内部的自密封结构，所述气泵设置于所述干燥室(12)内，所述气泵的进气端与所述进气口(12a)密封对接。
  11. 根据权利要求1所述的冰箱，其特征在于，所述冰箱包括风门(25)，所述风门(25)设置于所述进风通道的进风口处，所述风门(25)与所述引风装置(40)联动。
  12. 根据权利要求1所述的冰箱，其特征在于，所述第二密封装置(30)包括第二挡片和第二弹性件，所述第二挡片从所述冷藏室(13)一侧覆盖所述排气口(12b)，所述第二挡片与所述第二弹性件连接以在所述第二弹性件的弹性力作用下密封抵靠于所述排气口(12b)处。
  13. 根据权利要求1所述的冰箱，其特征在于，所述排气口(12b)形成于所述干燥室(12)的顶部，所述第二密封装置(30)包括第三挡片，所述第三挡片从所述冷藏室(13)一侧覆盖所述排气口(12b)，所述第三挡片在自身重力下密封抵接于所述排气口(12b)处。
  14. 根据权利要求1所述的冰箱，其特征在于，所述冰箱还包括设置于所 述干燥室(12)内的加热件(60)。
  15. 根据权利要求14所述的冰箱，其特征在于，所述加热件(60)的加热功率低于20瓦。
  16. 根据权利要求15所述的冰箱，其特征在于，所述加热件(60)为电阻丝或PTC发热体。
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EP3828486A4 (en) 2021-09-01
EP3828486A1 (en) 2021-06-02

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