WO2022037714A1 - Réfrigérateur permettant une réduction de perte de chaleur d'un conduit de retour d'air - Google Patents

Réfrigérateur permettant une réduction de perte de chaleur d'un conduit de retour d'air Download PDF

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Publication number
WO2022037714A1
WO2022037714A1 PCT/CN2021/123574 CN2021123574W WO2022037714A1 WO 2022037714 A1 WO2022037714 A1 WO 2022037714A1 CN 2021123574 W CN2021123574 W CN 2021123574W WO 2022037714 A1 WO2022037714 A1 WO 2022037714A1
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WIPO (PCT)
Prior art keywords
air
evaporator
pipe
refrigerator
section
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Application number
PCT/CN2021/123574
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English (en)
Chinese (zh)
Inventor
王少一
陈建全
曹东强
刘建如
Original Assignee
青岛海尔特种电冰箱有限公司
青岛海尔电冰箱有限公司
海尔智家股份有限公司
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Application filed by 青岛海尔特种电冰箱有限公司, 青岛海尔电冰箱有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔特种电冰箱有限公司
Publication of WO2022037714A1 publication Critical patent/WO2022037714A1/fr

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    • 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
    • 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
    • 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
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • 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

Definitions

  • the invention relates to the field of home appliances, in particular to a refrigerator with reduced heat loss in a return air pipe.
  • the evaporator is an important part of the refrigeration system.
  • the low-temperature refrigerant flows through the evaporator to exchange heat with the outside, and evaporate and absorb heat to achieve the effect of refrigeration.
  • the return pipe is the pipe connecting the evaporator and the compressor in the refrigeration system.
  • An object of the present invention is to provide a refrigerator capable of solving the above-mentioned problems with reduced heat loss from a return duct.
  • a further object of the present invention is to reduce frosting or icing in the section of the refrigerator return duct near the evaporator.
  • Another further object of the present invention is to reduce the amount of heat lost by the refrigerant as it passes through the return pipe.
  • the present invention provides a refrigerator that reduces heat loss from a return pipe
  • the refrigerator includes: a box body with a cooling chamber inside; a refrigeration system including an evaporator disposed in the cooling chamber, a compressor, and a compressor connected to the cooling chamber
  • the air return pipe between the compressor and the evaporator, the compressor is located outside the cooling chamber, and the evaporator is located inside the cooling chamber; an insulating sleeve is sleeved on at least part of the return pipe located in the cooling chamber to reduce the amount of refrigerant in the cooling chamber. Heat lost through the return trachea.
  • the heat insulation sleeve is sleeved on the section of the return air pipe located in the cooling chamber and the distance from the evaporator is less than or equal to 20 mm.
  • the length of the thermal insulation sleeve is greater than or equal to 30mm.
  • the box body has a bottom liner, and the cooling chamber is arranged at the bottom of the bottom liner; the evaporator is arranged in the front part of the cooling chamber, and the return air pipe passes through the pipe hole opened on the bottom liner for connection. compressor.
  • the pipe hole is arranged at the position where the bottom of the rear wall of the bottom liner is close to the side wall
  • the air return pipe includes: a pipe-penetrating section, which passes through the pipe hole along the depth front and rear directions of the box body; a connecting section, which is connected to the evaporator. And between the pipe-passing sections, the thermal insulation sleeve is sleeved on at least part of the connecting section.
  • the liquid accumulator is connected between the evaporator and the gas return pipe, and is arranged at the rear of the evaporator close to one side of the through-pipe section, and the connecting section further includes: a first arc-shaped connecting section, which is connected to the side of the liquid accumulator.
  • the exhaust ports are connected to each other and extend to the rear of the liquid reservoir in an arc shape;
  • the lateral pipe section extends laterally from the end of the first arc-shaped connecting section to the through-pipe section, and at least part of the lateral pipe section is sleeved with a thermal insulation sleeve;
  • Two arc-shaped connecting sections connecting the end of the transverse pipe section and the through-pipe section.
  • the evaporator is a finned evaporator, which includes: a set of fins, which are arranged in parallel along the front and rear directions of the box body; an evaporation tube, which is inserted between the fins; and support end plates, which are arranged on both sides of the fins ; The outlet of the evaporating tube is arranged at the rear of the support end plate on one side, and extends to the liquid reservoir in an arc shape.
  • the evaporator is placed obliquely along the depth direction of the refrigerator with respect to the horizontal direction, and the inclination direction is from front to back upwards.
  • the bottom liner also forms a storage space on the upper part of the cooling chamber; and the refrigerator further includes: an air duct cover plate, which is arranged in front of the rear wall of the bottom liner, and defines a space with the rear wall of the bottom liner.
  • the air duct, and the air duct cover is provided with at least one air supply port, and the air supply port is used to communicate with the air supply air duct and the storage space;
  • the air supply fan is arranged on the rear side of the evaporator, and is used to promote the formation from the front of the cooling chamber. The air is exhausted to the cooling air flow of the air supply duct through the evaporator.
  • the air supply fan is a centrifugal fan, which is arranged on the rear side of the evaporator as a whole, its air inlet is facing the evaporator, its air outlet is connected to the lower end of the air supply duct, and the center of the air inlet of the centrifugal fan reaches to the bottom of the evaporator.
  • the distances between the side panels on both sides of the bottom liner are different, and the distance from the center of the air inlet to the side wall of the bottom liner close to the tube hole is greater than the distance to the bottom liner far from the side wall of the tube hole.
  • At least part of the section of the air return pipe located in the cooling chamber is provided with an insulating sleeve, so as to reduce the heat loss of the refrigerant when passing through the air return pipe, ensure the temperature of the return air pipe, and reduce the occurrence of frost or ice formation. produce.
  • the size of the thermal insulation sleeve is limited, so that the thermal insulation sleeve can achieve the best thermal insulation effect under the condition of using the least production materials, reduce the production cost, and save more energy.
  • Environmental friendly the size of the thermal insulation sleeve is limited, so that the thermal insulation sleeve can achieve the best thermal insulation effect under the condition of using the least production materials, reduce the production cost, and save more energy.
  • FIG. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention.
  • FIG. 2 is a working principle diagram of a refrigeration system of a refrigerator according to an embodiment of the present invention
  • Fig. 3 is an enlarged view of area A in Fig. 1;
  • FIG. 4 is a schematic cross-sectional view of a refrigerator according to an embodiment of the present invention.
  • FIG. 5 is a schematic exploded view of a refrigerator according to an embodiment of the present invention.
  • FIG. 6 is a structural diagram of a bottom inner tank of a refrigerator according to an embodiment of the present invention.
  • FIG. 7 is a structural diagram of a limiting member of a refrigerator according to an embodiment of the present invention.
  • this embodiment first provides a refrigerator 10 .
  • the evaporator 130 of the refrigerator 10 is arranged at the bottom of the box body 100 .
  • the bottom inner container 110 defines a cooling chamber 112 and a storage space 111 , and the cooling chamber 112 is disposed below the storage space 111 .
  • the front side of the box body 100 is also provided with a door body to open or close the storage space 111. In order to show the internal structure of the box body 100, the door body is hidden in the figure.
  • the refrigerator 10 may have a plurality of inner containers, which can be divided into a freezing inner container, a temperature-changing inner container, and a refrigerating inner container according to their functions, thereby defining a plurality of storage compartments: such as a refrigerating compartment, a temperature-changing compartment, and a refrigerating compartment. Freezer compartment.
  • the bottom inner container 110 in this embodiment refers to the inner container located at the bottom of the refrigerator 10 .
  • the bottom inner container 110 located at the bottom of the refrigerator 10 defines a storage space 111 and a cooling chamber 112 located below the storage space 111 through a partition plate.
  • the storage space 111 defined by the bottom inner container 110 may be a freezing compartment.
  • above the storage space 111 there may also be a temperature-changing compartment defined by other inner bladders of the refrigerator 10, and a refrigerating compartment located above the temperature-changing compartment.
  • this embodiment includes a refrigeration system.
  • the refrigeration system includes a throttling element 210 , an evaporator 130 , a cooling fan, a compressor 200 , a condenser 190 and a return pipe 140 .
  • the evaporator 130 is disposed in the cooling chamber 112 .
  • the refrigeration system of this embodiment further includes a return air pipe 140 connected between the compressor 200 and the evaporator 130 .
  • the compressor 200 is located outside the cooling chamber 112 .
  • the evaporator 130 is in the shape of a flat cuboid as a whole, and is arranged at the front of the cooling chamber 112 .
  • the air return pipe 140 passes through the pipe hole opened on the bottom inner bladder 110 for connecting to the compressor 200 .
  • the bottom inner bladder 110 is provided with a limiting member 150 for fixing the air return tube 140 at a position close to the tube hole. Since the circulation structure and working principle of the refrigeration system itself are well known to those skilled in the art and are easy to implement, in order not to obscure and obscure the improvement points of the present application, the refrigeration system itself will not be described in detail below.
  • the present embodiment is provided with an insulating sleeve 145 .
  • the thermal insulation sleeve 145 is sleeved on at least a part of the section of the air return pipe 140 located in the cooling chamber 112, so as to reduce the heat loss of the refrigerant when passing through the air return pipe 140, and reduce the risk of frost or ice formation. situation happens.
  • the inner diameter of the heat insulation sleeve 145 can be matched with the outer diameter of the air return pipe 140 , so that the integrity of the heat insulation sleeve 145 and the air return hood is stronger, and the heat preservation and heat insulation performance is better when the sleeve is more tightly installed.
  • the pipe hole is arranged at a position where the bottom of the rear wall of the bottom inner bladder 110 is close to the side wall, and the air return pipe 140 may include a pipe penetration section 141 , which passes through the pipe hole along the depth front and rear directions of the box body 100 , and the limiter 150 It is arranged on the side wall of the bottom inner container 110 and is opposite to the through-pipe section 141 .
  • the installation of the air return pipe 140 is more convenient, and the internal pipeline arrangement is more reasonable and neat, which further makes the internal space of the box body 100 more compact and the space utilization rate is higher.
  • the pipe hole is arranged on the right rear side of the box body 100 , and the air return pipe 140 passes through the bottom inner tank 110 through the pipe hole, so as to connect the evaporator 130 with the compressor 200 .
  • a pipe penetrating section 141 is provided at the position where the air return pipe 140 passes through the pipe hole, and a pipe sleeve may also be provided on the pipe penetrating section 141 to protect the pipe penetrating section 141 and prevent the air return pipe from being damaged during the foaming process of the refrigerator 10 . 140 is squeezed and deformed, and at the same time, the overflow of the foamed material from the pipe hole is further prevented.
  • the limiter 150 is provided on the right side wall of the bottom inner pot 110 to limit the position of the air return pipe 140 to prevent the air return pipe 140 from being vibrated and other components occurring during the transportation of the refrigerator 10 . collision, thereby affecting the normal function of the refrigerator 10 .
  • the heat insulation sleeve 145 is sleeved on the section of the air return pipe 140 located in the cooling chamber 112 and the distance from the evaporator 130 is less than or equal to 20mm. According to the actual measurement by the inventor, the heat loss of the air return pipe 140 in this section is the largest.
  • the section is sleeved with a thermal insulation sleeve 145, and the thermal insulation effect is the best.
  • the length of the thermal insulation sleeve 145 is greater than or equal to 30mm, preferably set to 30mm. Increasing the length of the thermal insulation sleeve 145 can make the overall thermal insulation performance of the air return pipe 140 better.
  • the thermal insulation sleeve 145 is set to 30mm, which not only reduces the heat loss of the return air pipe 140, but also reduces the impact on the cooling airflow.
  • the length and setting position of the above-mentioned thermal insulation sleeve 145 are structurally optimized according to production cost requirements and thermal insulation performance requirements.
  • the heat insulating sleeve 145 is made of heat insulating material, such as foam material, glass fiber wool board, etc., and is placed against the outer wall of the air return pipe 140 .
  • the limiting member 150 may include a base plate 151 and a support column 152 .
  • the base plate 151 is attached to the outer side of the bottom inner pot 110 .
  • the support column 152 protrudes from the base plate 151 into the cooling chamber 112 , wherein the bottom liner 110 is provided with a through hole for the support column 152 to pass through at the corresponding position of the support column 152 , and the end of the support column 152 is shaped to be connected with the through-pipe section. 141 to fit the elastic tube clip 153.
  • the substrate 151 is attached to the outer side of the bottom inner pot 110 , so that the through hole of the bottom inner pot 110 for passing through the support column 152 is completely blocked by the substrate 151 itself, thereby avoiding the occurrence of the refrigerator 10 .
  • the foamed material overflows into the interior of the bottom inner pot 110 from the gap of the through hole.
  • the solution of this embodiment sets the end of the support column 152 as an elastic tube clip 153, which not only makes the fitting and installation between the air return tube 140 and the limiting member 150 more labor-saving, but also facilitates subsequent maintenance and disassembly.
  • the base plate 151 and the bottom inner pot 110 can be clamped by a clamping structure.
  • the base plate 151 is provided with a slot 154
  • the bottom inner container 110 is provided with a clamping claw 155, so that the base plate 151 and the bottom container 110 are connected by means of a buckle, which is not only simple in structure, but also easy to install.
  • the refrigerator 10 may also include a reservoir 160 .
  • the liquid accumulator 160 is connected between the evaporator 130 and the gas return pipe 140 , and is arranged at the rear of the evaporator 130 near the side of the through-pipe section 141 .
  • the air return pipe 140 may further include a connecting section.
  • the connecting section is connected between the evaporator 130 and the through-pipe section 141, and the heat insulating sleeve 145 is sleeved on at least part of the connecting section.
  • the connecting section includes a first arc-shaped connecting section 142 , a transverse pipe section 143 , and a second arc-shaped connecting section 144 .
  • the first arc-shaped connecting section 142 is connected to the exhaust port of the liquid storage tank 160 , and the arc shape extends to the rear of the liquid storage tank 160 .
  • the lateral pipe section 143 extends laterally from the end of the first arc-shaped connecting section 142 to the through-pipe section 141 .
  • the second arc-shaped connecting section 144 connects the end of the transverse pipe section 143 and the passing pipe section 141 .
  • the air return pipe 140 includes a first arc-shaped connecting section 142 , a transverse pipe section 143 and a second arc-shaped connecting section 144 . Its structure is more reasonable and scientific, and it occupies less space, which is more in line with the internal structure of the cooling chamber 112 . Improve the rational utilization of space.
  • the heat insulating sleeve 145 is sleeved over at least a part of the transverse pipe section 143 .
  • the transverse pipe section 143 is located at the transverse rear of the evaporator 130. When the cooling air flows through this section, it is very easy to exchange heat with the air flow, resulting in heat loss. Risk of frost or freezing.
  • the liquid accumulator 160 is arranged on the air return pipe 140, so as to collect a small amount of liquid carried in the air entering the air return pipe 140, so as to prevent the liquid from entering the compressor 200, which is detrimental to the operation of the compressor 200. influence.
  • the air return pipe 140 includes a first arc-shaped connecting section 142, a transverse pipe section 143 and a second arc-shaped connecting section 144. The structure is more reasonable and scientific, and the space occupied is small, which improves the reasonable utilization of space.
  • the evaporator 130 is a fin evaporator, and the fin evaporator 130 may include: a set of fins (not shown in the figure), an evaporation tube (not shown in the figure), and a supporting end plate 131 .
  • a group of fins are arranged in parallel along the front-rear direction of the box body 100 .
  • the evaporating tube is inserted between the fins.
  • the support end plates 131 are disposed on both sides of the fins.
  • the outlet of the evaporating tube is disposed at the rear of the one side support end plate 131 and extends to the liquid reservoir 160 in an arc shape.
  • the solution of this embodiment adopts the finned evaporator 130 , which not only has a compact structure and a small occupied area, but also has a high heat transfer coefficient, thereby further improving the heat exchange efficiency of the evaporator 130 and ensuring the refrigeration and storage function of the refrigerator 10 .
  • the evaporator 130 may be inclined along the depth direction of the refrigerator 10 with respect to the horizontal direction, and the inclination direction is from front to back and upward.
  • the evaporator 130 is arranged obliquely in the cooling chamber 112, on the one hand, the depth dimension (distance in the front-rear direction) of the box body 100 is reduced, and the depth dimension is used for the storage space 111 as much as possible; on the other hand, since the storage space 111
  • the raised bottom also avoids the inconvenience caused by users needing to bend or squat down to pick up and place items.
  • the refrigerator 10 may further include an air duct cover 170 and an air blower 180 .
  • the air duct cover 170 is arranged in front of the rear wall of the bottom inner pot 110, and defines an air supply air duct with the rear wall of the bottom inner pot 110, and the air duct cover 170 is provided with at least one air supply port, and the air supply port is used for The air supply duct and the storage space 111 are communicated.
  • the air blower 180 is disposed on the rear side of the evaporator 130 , and is used to promote the formation of a cooling airflow that is discharged from the air in front of the cooling chamber 112 to the air supply duct through the evaporator 130 .
  • an air duct cover 170 and an air blower 180 are arranged at the rear of the bottom inner pot 110 , thereby increasing the circulation rate of the cooling air flowing from the cooling chamber 112 into the storage space 111 , and further ensuring the cooling storage of the refrigerator 10 . Effect.
  • one or more air supply openings may be provided.
  • an air supply opening is provided on the air duct cover plate 170 to make the air supply more uniform and smooth.
  • the front ends of the support end plates 131 also extend to two sides to form shielding plates 132 for shielding the gap between the evaporator 130 and the side wall of the cooling chamber 112 to prevent air from passing through the outside of the evaporator 130 on both sides.
  • a shielding plate 132 is provided at the front end of the supporting end plate 131 of the evaporator 130 , so that the air in the cooling chamber 112 can only flow into the rear through the evaporator 130 , preventing the air from flowing from both sides of the evaporator 130 , thereby affecting the cooling effect of the refrigerator 10 .
  • the shielding plate 132 in this embodiment is formed by extending the support end plate 131 , which is not only simple in structure, but also more stable.
  • the air supply fan 180 of the refrigerator 10 may be a centrifugal fan 183, which is integrally disposed on the rear side of the evaporator 130 obliquely.
  • the distance from the center of the air inlet 181 of the fan 183 to the side panels on both sides of the bottom inner pot 110 is different, and the distance from the center of the air inlet 181 to the bottom inner pot 110 close to the side wall of the air return pipe 140 is greater than the distance from the bottom inner pot 110 away from the side wall.
  • the distance from one side wall of the air return pipe 140 The horizontal position of the centrifugal fan 183 in the bottom liner 110 can provide space for the arrangement of the liquid reservoir 160 and the air return pipe 140 , and can also avoid heat loss caused by the air blowing straight back to the air pipe 140 .
  • the air supply fan 180 used in the solution of this embodiment is a centrifugal fan 183, which runs smoothly, is easy to maintain, and is durable. Further, the centrifugal fan 183 in this embodiment is set so that the distance from the center of the air inlet 181 to the side wall of the bottom inner bladder 110 close to the side wall of the air return pipe 140 is greater than the distance to the side wall of the bottom inner bladder 110 away from the side wall of the air return pipe 140 .
  • the distance, that is to say, the center of the air inlet 181 of the air blower 180 is inclined to the left wall of the bottom inner tank 110, that is, the air supply fan 180 is arranged at the position where the bottom inner tank 110 is biased to the left, so that the cooling air flows from the fan to the left.
  • the airflow from the air outlet to the air supply air duct is smoother, thereby further improving the air supply efficiency of the fan.
  • the setting of the installation position of the above centrifugal fan 183 is a structural optimization made according to the space requirements and the cooling performance requirements, and the effect verification of the trial product is obtained.
  • At least a part of the air return pipe 140 is located in the cooling chamber 112 is provided with an insulating sleeve 145 to reduce the heat loss of the refrigerant when passing through the air return pipe 140 and ensure the temperature of the air return pipe 140, thereby Reduce the occurrence of frost or icing.
  • the size of the thermal insulation sleeve 145 is limited in the above embodiment, which can achieve the best thermal insulation effect under the condition of using the least manufacturing materials, reduce the production cost, and be more energy-saving and environmentally friendly.

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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 réfrigérateur permettant une réduction de perte de chaleur d'un conduit de retour d'air. Le réfrigérateur comprend : un corps de réfrigérateur comportant une chambre de refroidissement disposée en son sein ; un système de réfrigération comprenant un évaporateur disposé dans la chambre de refroidissement, un compresseur, et un conduit de retour d'air raccordé entre le compresseur et l'évaporateur, le compresseur étant situé à l'extérieur de la chambre de refroidissement, et l'évaporateur étant situé à l'intérieur de la chambre de refroidissement ; un manchon d'isolation thermique emmanché sur au moins une partie de la section du conduit de retour d'air située dans la chambre de refroidissement, de manière à réduire la perte de chaleur correspondant à un passage d'un fluide frigorigène dans le conduit de retour d'air. Le présent réfrigérateur est pourvu du manchon d'isolation thermique sur au moins une partie de la section du conduit de retour d'air située dans la chambre de refroidissement, de manière à réduire la perte de chaleur correspondant au passage du fluide frigorigène dans le conduit de retour d'air, et à garantir la température du conduit de retour d'air, ce qui permet de réduire la formation de givre ou de gel.
PCT/CN2021/123574 2020-08-18 2021-10-13 Réfrigérateur permettant une réduction de perte de chaleur d'un conduit de retour d'air WO2022037714A1 (fr)

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Application Number Priority Date Filing Date Title
CN202021727433.4 2020-08-18
CN202021727433.4U CN214039086U (zh) 2020-08-18 2020-08-18 减小回气管热量损失的冰箱

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WO2022037714A1 true WO2022037714A1 (fr) 2022-02-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023185745A1 (fr) * 2022-03-31 2023-10-05 青岛海尔电冰箱有限公司 Ensemble revêtement pour réfrigérateur et réfrigérateur le comprenant

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214039086U (zh) * 2020-08-18 2021-08-24 青岛海尔特种电冰箱有限公司 减小回气管热量损失的冰箱

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EP0644385A1 (fr) * 1993-09-04 1995-03-22 Daewoo Electronics Co., Ltd Système pour diminuer le givre dans un réfrigérateur
CN103185435A (zh) * 2013-03-18 2013-07-03 海尔集团公司 直冷冰箱
CN204963368U (zh) * 2015-07-31 2016-01-13 合肥美的电冰箱有限公司 冷凝连接管道的保温结构及具有其的冰箱制冷系统和冰箱
CN106016896A (zh) * 2016-06-30 2016-10-12 杭州华日家电有限公司 一种采用嵌入式微通道制冷化霜单元技术的无霜冰箱
CN110567214A (zh) * 2019-09-12 2019-12-13 青岛海尔电冰箱有限公司 冰箱
US20200011585A1 (en) * 2017-03-01 2020-01-09 Qingdao Haier Joint Stock Co., Ltd. Refrigerator with ice making function
CN214039086U (zh) * 2020-08-18 2021-08-24 青岛海尔特种电冰箱有限公司 减小回气管热量损失的冰箱

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0644385A1 (fr) * 1993-09-04 1995-03-22 Daewoo Electronics Co., Ltd Système pour diminuer le givre dans un réfrigérateur
CN103185435A (zh) * 2013-03-18 2013-07-03 海尔集团公司 直冷冰箱
CN204963368U (zh) * 2015-07-31 2016-01-13 合肥美的电冰箱有限公司 冷凝连接管道的保温结构及具有其的冰箱制冷系统和冰箱
CN106016896A (zh) * 2016-06-30 2016-10-12 杭州华日家电有限公司 一种采用嵌入式微通道制冷化霜单元技术的无霜冰箱
US20200011585A1 (en) * 2017-03-01 2020-01-09 Qingdao Haier Joint Stock Co., Ltd. Refrigerator with ice making function
CN110567214A (zh) * 2019-09-12 2019-12-13 青岛海尔电冰箱有限公司 冰箱
CN214039086U (zh) * 2020-08-18 2021-08-24 青岛海尔特种电冰箱有限公司 减小回气管热量损失的冰箱

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WO2023185745A1 (fr) * 2022-03-31 2023-10-05 青岛海尔电冰箱有限公司 Ensemble revêtement pour réfrigérateur et réfrigérateur le comprenant

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