WO2023078147A1 - Appareil de réfrigération - Google Patents

Appareil de réfrigération Download PDF

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Publication number
WO2023078147A1
WO2023078147A1 PCT/CN2022/127888 CN2022127888W WO2023078147A1 WO 2023078147 A1 WO2023078147 A1 WO 2023078147A1 CN 2022127888 W CN2022127888 W CN 2022127888W WO 2023078147 A1 WO2023078147 A1 WO 2023078147A1
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WO
WIPO (PCT)
Prior art keywords
air
room
compartment
return
air supply
Prior art date
Application number
PCT/CN2022/127888
Other languages
English (en)
Chinese (zh)
Inventor
曾凡星
田振华
薛金亮
Original Assignee
重庆海尔制冷电器有限公司
青岛海尔电冰箱有限公司
海尔智家股份有限公司
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.)
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Application filed by 重庆海尔制冷电器有限公司, 青岛海尔电冰箱有限公司, 海尔智家股份有限公司 filed Critical 重庆海尔制冷电器有限公司
Publication of WO2023078147A1 publication Critical patent/WO2023078147A1/fr

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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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling 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
    • F25D17/06—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
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • 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
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/003—Arrangement or mounting of control or safety devices for movable devices
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • 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
    • F25D2317/065—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 return
    • 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
    • F25D2317/067—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 air ducts

Definitions

  • the invention relates to a refrigeration device, in particular to a refrigeration device with a simple structure.
  • Existing refrigeration equipment usually adopts air-cooling to improve refrigeration efficiency.
  • the air duct structure of air-cooling refrigeration equipment includes air supply structural parts and return air structural parts.
  • the capacity of refrigerators is also increasing. The larger the size, the more compartments are usually set up to meet the demand, and the temperature-changing room is usually added on the basis of the freezer and refrigerator. normal refrigeration cycle.
  • the return air structural parts of the refrigerating room and the variable room are set relatively far away, so as to avoid that when the temperature of the variable room is low, the return air temperature of the variable room interferes with the return air temperature of the refrigerating room, thus easily causing the refrigerated return air structure to freeze. live.
  • the return air structural parts are arranged separately, not only is the installation more cumbersome, but also takes up more space on the rear side of the inner container, resulting in a smaller capacity of the refrigerator.
  • the object of the present invention is to provide a refrigeration device with simple structure.
  • the present invention provides a refrigeration device, comprising a first chamber, a second chamber, a third chamber, a refrigeration assembly arranged in the first chamber, and a second chamber matched with the refrigeration assembly.
  • Room and the third room for air supply and return air duct assembly, the air duct assembly includes the second room and the third room air supply structure, respectively for the second room and the third room.
  • the first air return structural part and the second air return structural part of the compartment air return, the first air return structural part and the second air return structural part are adjacent to each other, and the refrigeration equipment also includes a function to prevent the first return air A temperature control device that interferes with each other between the return air temperature of the wind structure and the return air temperature of the second return air structure.
  • the first chamber, the second chamber, and the third chamber are sequentially arranged at intervals along the height direction, and the first air return structural member and the second air return structural member are integrally structured and arranged on one side in the horizontal direction.
  • the air duct assembly includes a foam seat, a foam cover matched with the foam seat, protruding from the foam seat and/or the foam cover to form the first air return structure and the second air return structure respectively. Partitions for wind structural members.
  • the temperature control device is a heating element arranged on the surface or inside of the partition.
  • the refrigeration assembly includes a compressor, a condenser, a dew removal pipe, a capillary tube, and an evaporator, and the heating element is connected between the condenser and the dew removal pipe, or connected to the dew removal pipe and between capillaries.
  • the air duct assembly further includes a reinforcing part protruding from the foam seat and/or the foam cover.
  • the air supply structure extends along the transverse direction and is integrated with the first air return structure and the second air return structure.
  • the air supply structure includes a first air supply structure and a second air supply structure, and the first air supply structure is arranged between the first compartment and the second compartment
  • the cold energy of the first room is sent to the second room in the foaming cavity
  • the second air supply structure is arranged in the foaming cavity between the second room and the third room to transfer the cold of the second room to the second room.
  • the cooling capacity of the first room is sent to the third room.
  • the first room is a freezing room
  • the second room is a temperature-changing room
  • the third room is a refrigerating room.
  • the first air supply structure has a first air supply port that penetrates through the first compartment and the second compartment along the height direction
  • the second air supply structure has a first air supply port that penetrates through the second compartment along the height direction.
  • the first return air structural part and the second return air structural part of the refrigeration equipment of the present invention are arranged adjacently, and are set to prevent the return air temperature of the first return air structural part and the return air return of the second return air structural part Temperature control devices that interfere with each other. Therefore, not only can the space occupied by the return air structural parts be reduced, it is beneficial to increase the volume ratio of the refrigeration equipment, but also the risk of freezing of the return air structural parts can be reduced.
  • Fig. 1 is a schematic perspective view of the first embodiment of the refrigeration equipment of the present invention.
  • FIG. 2 is a schematic perspective view of the housing and the back panel hidden in FIG. 1 .
  • FIG. 3 is an exploded perspective view of FIG. 2 .
  • FIG. 4 is a schematic perspective view of another viewing angle of FIG. 2 .
  • FIG. 5 is an exploded perspective view of FIG. 4 .
  • Fig. 6 is a three-dimensional exploded view of the integrated air return structure in Fig. 3 .
  • FIG. 7 is an exploded perspective view of FIG. 6 from another perspective.
  • Fig. 8 is a schematic perspective view from another perspective of the integrated air return structure in Fig. 3 .
  • FIG. 9 is an exploded perspective view of FIG. 8 .
  • Fig. 10 is a sectional view along AA direction in Fig. 1 .
  • Fig. 11 is a schematic perspective view of the second embodiment of the refrigeration equipment of the present invention.
  • Fig. 12 is a schematic perspective view of the air duct assembly in Fig. 11 .
  • FIG. 13 is a schematic perspective view of another viewing angle of FIG. 11 .
  • the refrigeration equipment includes the first compartment 1, the second compartment 2, the third compartment 3, the A cooling assembly (not shown), an air duct assembly that cooperates with the refrigeration assembly to supply and return air to the second compartment 2 and the third compartment 3, wherein the air duct assembly includes The air supply structure that supplies air to the third room 3, the first return air structure and the second return air structure that return air to the second room 2 and the third room 3 respectively, the first return air
  • the structural component and the second return air structural component are arranged adjacent to each other, and the refrigeration equipment further includes a temperature control device for preventing the return air temperature of the first return air structural component and the return air temperature of the second return air structural component from interfering with each other.
  • the refrigeration equipment is a refrigerator, specifically a three-door refrigerator arranged at intervals along the height direction, wherein, The first compartment 1, the second compartment 2, and the third compartment 3 are freezer compartments, temperature-changing compartments and cold storage compartments (the accompanying drawings only show part of each compartment). And along the height direction of the refrigerator, there are refrigerating room, variable temperature room and freezing room successively from top to bottom. Of course, the variable temperature room and refrigerating room can also be arranged at intervals above the freezing room along the transverse direction.
  • the refrigerator may also be a side-by-side refrigerator, a French refrigerator, and other types of refrigerators, and the refrigeration device may also be a freezer.
  • the first air return structural member and the second air return structural member are integrally provided as an integrated air return structural member 4 , of course, in other embodiments, they may also be provided separately.
  • the integrated return air structural member 4 is extended along the height direction on one side of the second compartment 2 and the third compartment 3, and the integrated return air structural member 4 has a structure that communicates with the second compartment 2 and the third compartment respectively.
  • the first return air inlet 41 and the second return air inlet 42 of the three chambers 3 communicate with the return air outlet 43 of the first chamber 1 .
  • the integrated air return structure 4 can not only return air to the second compartment 2, but also return air to the third compartment 3, thereby avoiding the need for the second compartment 2 and the third compartment 3 respectively Separately setting the return air structural parts saves cost and reduces the space occupied by the return air structural parts, which is beneficial to increase the volume ratio of the refrigerator.
  • the traditional refrigerator in order to ensure the volume ratio, usually sets the middle position of the inner tank backwards, so as to install the air supply structure for cooling the compartment, but in the present invention, the integrated air return structure 4 is extended along the height direction On the side of the second chamber 2 and the third chamber 3, thereby avoiding the arrangement of the integrated return air structural member 4 in the middle, resulting in the refrigerator being too thick in the front and rear directions, and in the case of ensuring the volume ratio of the refrigerator, it is beneficial Miniaturized design of the refrigerator.
  • the second compartment 2 is a temperature-changing room, and it is arranged below the third compartment 3 which is a refrigerator, therefore, when the second compartment 2 is used for freezing, its internal temperature is lower than 0 degrees, and its internal temperature is lower than 0 degrees.
  • the return air temperature is also often lower than 0 degrees, so that the first return air inlet 41 is closer to the return air outlet 43 in the height direction, that is, the distance between the first return air inlet 41 and the return air outlet 43 in the height direction is smaller than the second The distance between the return air inlet 42 and the return air outlet 43 in the height direction, so that the return air of the second room 2 can affect the return air of the third room 3 as little as possible, and reduce the return air of the third room 3
  • the integrated air return structure 4 is also applicable, and only needs to be readjusted The structure and installation position are all that is needed.
  • the integrated return air structure 4 is arranged in a "T" shape on the rear side of the second compartment 2 and the third compartment 3 and is located in the middle. In this way, the first return air inlet 41 The distance to the second return air inlet 42 is relatively short, which is beneficial to the miniaturization of the integrated return air structure 4 .
  • the integrated return air structure 4 is arranged in an "L" shape, and the part extending in the lateral direction can be arranged in the foam layer space between the second compartment 2, the third compartment 3 and the first compartment 1,
  • the portion extending in the height direction may be provided on one side in the width direction as in this embodiment.
  • the integrated air return structure 4 includes a foam seat 44 and a foam cover 45 that are installed in cooperation with each other along the front and rear directions, and a fixing mechanism that fixedly connects the foam seat 44 and the foam cover 45.
  • the fixed structure includes a positioning portion 461 protruding from one of the foam seat 44 and the foam cover 45 , and a positioning groove 462 recessed from the other to match the positioning portion 461 . Therefore, with the above structure, the integrated air return structure 4 has a simple structure, low cost and easy installation.
  • the integrated air return structure 4 further includes a sealing structure formed between the foam seat 44 and the foam cover 45, and the sealing structure includes a protruding portion 471 protruding from one of the foam seat 44 and the foam cover 45 , the groove 472 is recessed from the other to match with the protruding part 471, the foam seat 44 and the foam cover 45 are formed between the second compartment 2 and the third compartment 3 for return air circulation In the return air passage, the protruding portion 471 is disposed on a side of the return air passage.
  • the integrated air return structure 4 also has a reinforcement part 48 provided in the return air passage, the reinforcement part 48 protrudes from the foam seat 44 and/or the foam cover 45, and is close to the first Two return air inlets 42 are set.
  • the integrated return air structure 4 further includes a partition 411 protruding from the foam seat 44 and/or the foam cover 45 to separate the first return air passage 49 and the second return air passage 410 .
  • the partition part 411 protrudes from the foam seat 44 and the foam cover 45 respectively, and the partition part 411 is a foam structure, thereby effectively preventing the return air of the second compartment 2 from interfering with the third compartment.
  • the return air of chamber 3 is in direct contact with, thereby reducing the risk of freezing of the second return air passage 410.
  • the partition part 411 can not only realize the above functions, but also can play the function of strengthening the structure.
  • the reinforcement part 48 is arranged in the second return air passage 410 and is arranged close to the second return air inlet 42, so that the height The direction cooperates with the partition part 411 to jointly provide the function of structural reinforcement.
  • the first air return structure and the second air return structure are formed, that is, the first air return structure and the second air return structure share the partition 411.
  • the temperature control device is a heating element (not shown) arranged on the surface or inside of the partition 411.
  • the heating element and the partition 411 can also be provided with only one separately. Adjust according to actual needs.
  • the heating element may be provided on the inner wall of the return air path, or the integral return air structure 4 includes a mounting portion for installing the heating element.
  • the heating element is disposed inside the partition 411 , that is, the installation part is the partition 411 , thereby improving the integrity of the integrated air return structure 4 .
  • the heating element is generally a metal structure, it can also reduce the risk of the heating element directly contacting the humid air of the return air, thereby reducing the oxidation risk of the heating element and improving the working life of the heating element.
  • the refrigeration assembly includes a compressor, a condenser, a dew removal pipe, a capillary tube, and an evaporator connected to each other, and the heating element is connected between the condenser and the dew removal pipe, or connected to the dew removal pipe and between capillaries. Therefore, the temperature of the high-temperature gas is used to heat the return air in the second compartment 2 and the third compartment 3 , thereby reducing the risk of freezing of the second return air passage 410 .
  • the heating element may be connected to the condenser or the dew removal pipe through a heat transfer element, for example, through a heat pipe. Alternatively, the heating element can be heated through power control.
  • the refrigeration equipment of the present invention also provides a second embodiment, which differs from the first embodiment in that : the air supply structural member and the integrated air return structural member 4 are also integrally arranged, so that only one installation is required when assembling the structural member components, which is very efficient. Therefore, it is only necessary to slightly adjust the above-mentioned foam seat 44 and foam cover 45 so that the two cooperate with each other to form the air supply structure and the integrated air return structure 4 .
  • the air supply structure includes a first air supply structure 5 and a second air supply structure 6 connected to the integral air return structure 4, and the first air supply structure 5 is arranged in the first compartment 1 and the foaming cavity between the second compartment 2 to supply air to the second compartment 2, and the second air supply structure 6 is arranged in the blowing chamber between the second compartment 2 and the third compartment 3 Air is supplied to the third chamber 3 in the bubble cavity. That is, the first air supply structure 5 and the second air supply structure 6 are respectively connected to the integrated air return structure 4 along the transverse direction. Moreover, the above-mentioned sealing structure is also applicable to air supply structural parts, thereby reducing the risk of air supply leakage and ensuring stable and reliable refrigeration.
  • the first air supply structure 5 and the second air supply structure can be installed by making full use of the foam layer space between the first room 1 and the second room 2, the second room 2 and the third room 3.
  • the air supply structure 6 greatly reduces the thickness of the first air supply structure 5 and the second air supply structure 6 protruding from the rear side of the inner container, which is conducive to the miniaturization design of the refrigerator, and at the same time, no inner
  • the gallbladder makes too much room for the first air supply structure 5 and the second air supply structure 6, so as to ensure the volume ratio of the refrigerator, and because the first air supply structure 5 and the second air supply structure
  • the air structure 6 occupies the space of the foam layer, and the air supply structure itself can also serve as a foam layer. Therefore, the use of foam materials in the foaming process of the refrigerator can also be reduced to a certain extent.
  • the first air supply structure 5 and the second air supply structure 6 can also be installed separately, and need not be integrally arranged with the integrated air return structure 4 .
  • the air supply structural member does not need to be provided with two, but can be directly arranged in the second compartment
  • the foam layer space is a space extending along the height direction, and then it is only necessary to set up corresponding second chambers on the left and right sides of the air supply structure. 2 and the air outlet of the third room 3 get final product.
  • the present invention is compared with the traditional multi-room refrigerator.
  • the room refrigerator greatly reduces the structural size of the air supply structural parts, making the structure compact, reducing the cost and improving the installation efficiency.
  • the second compartment 2 is a temperature-changing room and the third compartment 3 is a refrigerated compartment, the temperature in the second compartment 2 can meet the requirements of the third compartment 3. Therefore, the second compartment The cold energy in the compartment 2 is sent to the third compartment 3 without affecting the storage of articles in the third compartment 3 .
  • the first air supply structure 5 has a first air supply port 51 that penetrates through the first compartment 1 and the second compartment 2 along the height direction
  • the second air supply structure 6 has a first air supply port 51 that penetrates through the second compartment 2 along the height direction.
  • the second air outlet 61 of the second chamber 2 and the third chamber 3 .
  • the number of the first air outlets 51 is greater than the number of the second air outlets 61 .
  • the first air supply port 51 helps to reduce the temperature of the second compartment 2 faster, and the number of the second compartment 2 61 is relatively small, even if the second compartment 2 The temperature inside is lower, and it is not easy to freeze the food in the third chamber 3 .
  • damper structures can also be provided in the first air supply port 51 and the second air supply port 61 to adjust the air supply and further improve the temperature control accuracy.
  • the number of the first air supply opening 51 and the number of the second air supply opening 61 may also be equal, as long as the first air supply opening 51 is larger than the second air supply opening 61 .
  • the rear sides of the first compartment 1, the second compartment 2 and the third compartment 3 also have a relief part 11 recessed forward, so
  • the first air supply structure 5 and the second air supply structure 6 to be installed in the foam layer space; Carry out partial limit to prevent excessive installation and avoid damage to the air duct components.
  • the refrigeration equipment also includes a shell 7 arranged outside the inner tank, and a backboard 8 matched with the inner tank and the outer shell 7.
  • the inner tank and the outer shell 7 are first assembled with each other, and then the air duct assembly is installed, and the air duct assembly is installed.
  • the other side of the duct assembly along the transverse direction fits with the inner wall of the casing 7, and finally the backboard 8 is installed, and the rear side of the air duct assembly fits with the inner wall of the backplane 8, so the casing 7, the backplane 8 and the
  • the three parts 11 together realize the positioning of the air duct assembly, so there is no need to set additional fixing parts to fix the air duct assembly, which greatly improves the installation efficiency.
  • the solidification of the foaming material can further strengthen the fixing of the air duct assembly, ensuring the stability and reliability between the air duct assembly and each compartment.
  • the side of the air duct assembly that cooperates with the inner wall of the housing 7 and the inner wall of the back plate 8 is non-planar.
  • the side and/or back of the air duct assembly are arranged in a wave shape, that is, uneven. Therefore, during the foaming process, the air duct assembly can have more contact surfaces in contact with the foaming material, thereby improving Fixing effect, not only that, due to the wave structure, it can also limit the air duct components to prevent movement.
  • the structure of the foaming layer and the wave structure are arranged in a concavo-convex manner, thereby limiting the position.
  • the protruding structure increases the thickness to a certain extent, thereby improving the structural strength and thermal insulation effect.
  • the wave structures are arranged at intervals up and down.
  • the wave structures can also be arranged at intervals along the front and rear directions, or both directions can be arranged in combination.
  • the length of the protruding part of the wave structure can be increased, so that when the air duct assembly is installed, the protruding part abuts against the inner wall of the casing 7 and the inner wall of the back plate 8, so that the air duct assembly is covered by the relief part 11 and the casing. 7.
  • the inner wall is directly fixed, and even if the backboard 8 is installed, the air duct assembly will not shift.
  • the protruding portion of the wave structure can be enlarged entirely or partially.
  • the present invention also provides another way, that is, a number of fixing parts 9 can also be protruded separately on the side wall and back of the air duct assembly so as to abut against the inner wall of the shell 7 and the inner wall of the back plate 8 respectively, and the The fixing portion 9 is also recessed with a wiring groove 91, so as to facilitate the wiring of the wiring harness.
  • the first return air structural part and the second return air structural part of the refrigeration equipment of the present invention are arranged adjacent to each other, and are set to prevent the return air temperature of the first return air structural part and the return air temperature of the second return air structural part from interfering with each other. Interfering thermostat. Therefore, a housing will be provided on top of the box with a display panel exposed on the upper side of the housing. Therefore, not only can the space occupied by the return air structural parts be reduced, it is beneficial to increase the volume ratio of the refrigerator, but also the risk of freezing the return air structural parts can be reduced.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

L'invention concerne un appareil de réfrigération comprenant un premier compartiment, un deuxième compartiment, un troisième compartiment, un ensemble réfrigération se situant dans le premier compartiment, et un ensemble conduit d'air fonctionnant conjointement avec l'ensemble réfrigération pour fournir de l'air et renvoyer de l'air vers le deuxième compartiment et le troisième compartiment. L'ensemble conduit d'air comprend un élément structural d'apport d'air pour fournir de l'air au deuxième compartiment et au troisième compartiment, et un premier élément structural de renvoi d'air et un second élément structural de renvoi d'air qui renvoient respectivement de l'air vers le deuxième compartiment et le troisième compartiment, le premier élément structural de renvoi d'air et le second élément structural de renvoi d'air étant adjacents entre eux. L'appareil de réfrigération comprend en outre un dispositif de régulation de température pour prévenir des interférences entre la température de l'air renvoyé par le premier élément structural de renvoi d'air et la température de l'air renvoyé par le second élément structural de renvoi d'air.
PCT/CN2022/127888 2021-11-03 2022-10-27 Appareil de réfrigération WO2023078147A1 (fr)

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