WO2024008120A1 - Réfrigérateur et système de conduits d'air associé - Google Patents

Réfrigérateur et système de conduits d'air associé Download PDF

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Publication number
WO2024008120A1
WO2024008120A1 PCT/CN2023/105907 CN2023105907W WO2024008120A1 WO 2024008120 A1 WO2024008120 A1 WO 2024008120A1 CN 2023105907 W CN2023105907 W CN 2023105907W WO 2024008120 A1 WO2024008120 A1 WO 2024008120A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
air duct
refrigeration
duct
liner
Prior art date
Application number
PCT/CN2023/105907
Other languages
English (en)
Chinese (zh)
Inventor
王小发
邵杰
徐志国
杨发林
Original Assignee
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.)
Filing date
Publication date
Application filed by 青岛海尔电冰箱有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔电冰箱有限公司
Publication of WO2024008120A1 publication Critical patent/WO2024008120A1/fr

Links

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
    • 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
    • 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

Definitions

  • the present invention relates to the technical field of refrigeration and freezing, and in particular to a refrigerator and its air duct system.
  • the air door assembly For traditional side-by-side air-cooled refrigerators, there are usually two ways to arrange the air door assembly. One is to arrange the air door assembly at the rear side of the freezing compartment. In this arrangement, the air door may freeze or freeze. The risk of frost requires a heating wire. The other is to arrange the damper assembly on the top of the refrigerated compartment. In this arrangement, a convex bulge will be formed on the top of the refrigerated compartment, which is less aesthetically pleasing.
  • variable temperature compartment usually needs to be equipped with a separate evaporator to become an independent system, or it needs to be separated from the freezer. Air ducts are introduced into the rooms, resulting in high manufacturing costs, so there is room for improvement.
  • An object of the first aspect of the invention is to eliminate the heating wire and reduce the manufacturing cost of the refrigerator.
  • a further object of the first aspect of the present invention is to achieve full temperature change in the lower compartment of the refrigeration liner.
  • a second object of the present invention is to provide a refrigerator.
  • the invention provides an air duct system for a refrigerator.
  • the refrigerator includes a freezing inner pot and a refrigeration inner pot.
  • the freezing inner pot and the refrigeration inner pot are arranged adjacent to each other on the left and right, and the air duct
  • the system includes:
  • Freezing air duct formed on the rear side of the freezing liner
  • the refrigeration air duct is formed on the rear side of the refrigeration liner
  • the air supply duct is formed between the freezing air duct and the refrigeration air duct;
  • the damper assembly is arranged inside one end of the air supply duct adjacent to the refrigeration air duct, and is configured to controllably open and close the air supply duct.
  • the damper assembly includes a first damper assembly.
  • the first damper assembly includes a first door frame and a first damper.
  • the first door frame is inclined from top to bottom in the air supply duct toward the air flow direction, and has a supply opening on it.
  • the first air outlet through which the airflow passes transversely is disposed at the first air outlet.
  • the first air door has a first rotating shaft at its upper and lower ends on one side, and the first rotating shaft is pivotally connected to the first door frame.
  • a return air duct is provided between the lower ends of the refrigeration liner and the freezer liner, the return air inlet of the return air duct is connected to the inside of the refrigeration liner, and the return air outlet of the return air duct is connected to the freezing air
  • the interior of the Tao is connected.
  • the cross-sectional area of the return air duct gradually decreases from one side of the return air inlet to one side of the return air outlet.
  • a middle partition is provided inside the refrigerated liner, and the middle partition divides the internal space of the refrigerated liner into a first chamber and a second chamber that are adjacent up and down;
  • the refrigeration air duct includes a refrigeration upper air duct and a refrigeration lower air duct.
  • the refrigeration upper air duct is located in the first room, and the refrigeration lower air duct is located in the second room.
  • the lower end of the refrigeration upper air duct and the upper end of the refrigeration lower air duct are connected to the air supply duct respectively.
  • the damper assembly includes two second damper assemblies, one of which is disposed in the air supply duct corresponding to the lower end of the refrigeration upper air duct, and the other second damper assembly is disposed in the air supply duct corresponding to the lower end of the refrigeration air duct. At the upper end of the downwind channel.
  • the second air door assembly includes a second door frame and a second air door.
  • the second door frame is arranged in the air supply air duct along the transverse direction of the air supply air duct, and has a second air outlet for longitudinal passage of the air flow.
  • the damper is arranged at the second air outlet, and has a second rotating shaft at both left and right ends of one side thereof. The second rotating shaft is pivotally connected to the second door frame.
  • the damper assembly also includes a damper installation box.
  • the damper installation box is embedded in the air supply duct. It has an airflow inlet toward the freezing air duct and an airflow outlet toward the refrigeration upper air duct and the refrigeration lower air duct respectively. Two thirds. The two door frames are respectively installed at the two air flow outlets.
  • the damper installation box includes a front box cover and a rear box cover.
  • the front box cover is fastened on the front side of the rear box cover, and an airflow inlet and an airflow outlet are formed between the front box cover and the rear box cover.
  • the present invention provides a refrigerator, which includes a freezer inner pot and a refrigeration inner pot.
  • the freezer inner pot and the refrigeration inner pot are arranged adjacent to each other on the left and right, and adopt any one of the above-mentioned air duct systems.
  • the air door assembly is arranged inside one end of the air supply air duct adjacent to the refrigeration air duct, away from the air supply device in the freezing air duct, it can effectively prevent the air door assembly from freezing or To prevent frost formation, there is no need to configure a separate heating wire for the damper assembly, which reduces the manufacturing cost of the refrigerator.
  • its two second air door assemblies can be used to control the air flow in the refrigeration upper air duct and the refrigeration lower air duct respectively, so that the cooling capacity of the first compartment and the second compartment The supply does not affect each other, achieving full temperature change in the lower compartment of the refrigerated liner (i.e. the second compartment).
  • Figure 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention.
  • Figure 2 is a schematic structural diagram of the front side of the air duct system according to one embodiment of the present invention.
  • Figure 3 is a schematic structural diagram of the rear side of the air duct system according to one embodiment of the present invention.
  • Figure 4 is a schematic structural diagram of a damper assembly according to an embodiment of the present invention.
  • Figure 5 is a schematic structural diagram of a first damper assembly according to an embodiment of the present invention.
  • Figure 6 is a cross-sectional view of a return air duct according to an embodiment of the present invention.
  • Figure 7 is a schematic structural diagram of a refrigerator according to another embodiment of the present invention.
  • Figure 8 is a schematic structural diagram of a damper assembly according to another embodiment of the present invention.
  • Figure 9 is a schematic structural diagram of a second damper assembly according to an embodiment of the present invention.
  • FIG. 1 is a schematic structural diagram of the refrigerator 10 according to an embodiment of the present invention.
  • the refrigerator 10 is a single-system double-door refrigerator, which at least includes a freezer liner 110 and a refrigeration tank.
  • the inner pot 120, the freezing inner pot 110 and the refrigerated inner pot 120 are arranged adjacent to each other and are respectively used to freeze and preserve the food materials placed therein.
  • the refrigerator 10 may further include an air duct system 200.
  • Figure 2 is a schematic diagram of the front side structure of the air duct system 200 according to one embodiment of the present invention.
  • Figure 3 is a rear side structure of the air duct system 200 according to one embodiment of the present invention.
  • the air duct system 200 may include a freezing air duct 210 , a refrigeration air duct 220 , an air supply air duct 230 and a damper assembly 300 .
  • the freezing air duct 210 is formed on the rear side of the freezing inner pot 110.
  • the freezing air duct 210 can be divided into an upper freezing air duct 211 and a lower freezing air duct 212 connected in sequence from top to bottom along the height direction of the freezing inner pot 110.
  • the upper freezing air duct 211 There are multiple freezing air outlets on the front side of the refrigerator 10.
  • the evaporator of the refrigerator 10 can be installed on the rear side of the freezing lower air duct 212.
  • the air supply device of the refrigerator 10 can be installed on the bottom of the freezing upper air duct 211 to absorb cold from the evaporator. The cold energy is transported to the freezing upper air duct 211 and blown out from the freezing air outlet, thereby adjusting the internal temperature of the freezing inner pot 110.
  • the refrigeration air duct 220 is formed on the rear side of the refrigeration inner pot 120 , and a plurality of refrigeration air outlets are provided on the front side of the refrigeration air duct 220 .
  • One end of the air supply duct 230 is connected to the freezing air duct 210 (specifically, the position of the air supply device of the freezing upper air duct 211), and the other end is connected to the refrigeration air duct 220.
  • the air supply device supplies air to the air supply duct 230, it transports the cold energy absorbed from the evaporator into the refrigeration air duct 220 and blows it out from the refrigeration air outlet, thereby adjusting the internal temperature of the refrigeration liner 120.
  • the air blowing device in this embodiment is a branch air blowing device, that is, it can send air only to the freezing upper air duct 211 in a controlled manner, or can only send air to the air supply air duct 230 in a controlled manner.
  • the air can also be supplied to the freezing upper air duct 211 and the air supply air duct 230 at the same time. Since the specific structure and working principle of the branch air supply device are well known to those skilled in the art, they will not be described in detail here.
  • the damper assembly 300 is disposed inside one end of the air supply duct 230 adjacent to the refrigeration air duct 220 for controlled opening.
  • the air supply duct 230 is closed to allow air flow to pass through when the internal temperature of the refrigerated inner container 120 needs to be adjusted, and to block the air flow from passing through when the internal temperature of the refrigerated inner container 120 does not need to be adjusted.
  • the air door assembly 300 is disposed inside the end of the air supply air duct 230 adjacent to the refrigeration air duct 220 and is far away from the air supply device in the freezing air duct 210. Therefore, the air door assembly 300 can be effectively avoided.
  • ice or frost occurs in the refrigerator 300 , there is no need to separately configure a heating wire for the damper assembly 300 , which reduces the manufacturing cost of the refrigerator 10 .
  • FIG. 4 is a schematic structural diagram of the damper assembly 300 according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of the first damper assembly 310 according to an embodiment of the present invention.
  • the air door assembly 300 may include a first air door assembly 310.
  • the first air door assembly 310 includes a first door frame 311 and a first air door 312.
  • the first door frame 311 is located in the air supply duct 230 from top to bottom. It is arranged obliquely toward the direction of air flow, and has a first air outlet 314 for the air flow to pass transversely.
  • the first air door 312 is arranged at the first air outlet 314, and has a first rotating shaft 313 at the upper and lower ends of one side.
  • the first rotating shaft 313 Pivotably connected to the first door frame 311. In this way, the condensed water can be prevented from freezing the first rotating shaft 313 and the smooth opening and closing of the first damper 312 can be ensured.
  • a return air duct 240 is provided between the lower end of the refrigerated liner 120 and the freezer liner 110.
  • the return air inlet of the return air duct 240 is connected with the inside of the refrigerated liner 120.
  • the return air The return air outlet of the duct 240 is connected with the inside of the freezing air duct 210 .
  • the return air duct 240 can introduce the return air in the refrigeration liner 120 to the freezing air duct 210 (specifically, the evaporator of the freezing lower air duct 212), and then be cooled again through the evaporator.
  • the cross-sectional area of the return air duct 240 may gradually decrease from one side of the return air inlet to one side of the return air outlet. In this way, during the air supply process of the air supply device, the air flow at the bottom of the refrigeration liner 120 can be quickly sucked into the return air duct 240, which can speed up the air circulation speed and improve the cooling efficiency of the refrigeration liner 120. .
  • FIG. 7 is a schematic structural diagram of a refrigerator 10 according to another embodiment of the present invention.
  • a middle partition 130 is provided inside the refrigeration liner 120 .
  • the middle partition 130 divides the internal space of the refrigeration liner 120 into upper and lower phases.
  • the first room 121 and the second room 122 are adjacent to each other.
  • the refrigeration air duct 220 may include a refrigeration upper air duct 221 and a refrigeration lower air duct 222.
  • the refrigeration upper air duct 221 is located in the first chamber 121
  • the refrigeration lower air duct 222 is located in the second room 122
  • the upper ends are connected with the air supply ducts 230 respectively.
  • the first compartment 121 and the second compartment 122 can be independently cooled through the refrigeration upper air duct 221 and the refrigeration lower air duct 222, thereby improving the uniformity of cooling in the upper and lower areas of the refrigeration inner pot 120.
  • FIG. 8 is a schematic structural diagram of a damper assembly 300 according to another embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of a second damper assembly 320 according to an embodiment of the present invention.
  • the damper assembly 300 includes two second damper assemblies 320, one of which is disposed at a position of the air supply duct 230 corresponding to the lower end of the refrigeration upper air duct 221, and the other second damper assembly 320. 320 is disposed at a position where the air supply duct 230 corresponds to the upper end of the refrigeration lower air duct 222 .
  • the second damper assembly 320 can be used to control the air flow in the refrigeration upper air duct 221 and the refrigeration lower air duct 222 respectively, so that the cold supply of the first compartment 121 and the second compartment 122 does not affect each other, realizing the refrigeration inner container
  • the full temperature change of the lower compartment of 120 i.e., the second compartment 122 eliminates the air supply pipeline from the freezer liner 110 to the second compartment 122 in the conventional design.
  • the first compartment 121 can be configured as a refrigerating compartment of the refrigerator 10 according to the cooling temperature
  • the second compartment 122 can be configured as a refrigerating compartment or a freezing compartment of the refrigerator 10 according to storage requirements. That is to say, when a large amount of food needs to be refrigerated and stored, the second compartment 122 can be configured as a refrigeration compartment, and when a large amount of food needs to be frozen and stored, the second compartment 122 can be configured as a freezing compartment.
  • the second air door assembly 320 may include a second door frame 321 and a second air door 322.
  • the second door frame 321 is disposed in the air supply air duct 230 along the transverse direction of the air supply air duct 230, and has an opening on it for longitudinal passage of air flow.
  • the second air outlet 324, the second air door 322 is provided at the second air outlet 324, and its left and right ends have a second rotating shaft 323.
  • the second rotating shaft 323 is pivotally connected to the second door frame 321. By rotating the second rotating shaft 323
  • the second damper 322 can be opened or closed more conveniently.
  • the damper assembly 300 may also include a damper installation box 330.
  • the damper installation box 330 is installed in the air supply duct 230 and has an airflow inlet toward the freezing air duct 210 and respectively toward the refrigeration upper air duct 221 and the refrigeration lower air duct. 222, two second door frames 321 are respectively installed at the two air flow outlets.
  • the second damper assembly 320 can be installed into the installation box first, and then the installation box can be embedded into the air supply duct 230 , thereby improving the installation convenience of the damper assembly 300 .
  • the damper assembly 300 is integrally integrated on the rear side of the refrigeration liner 120, effectively shortening the air supply path between the freezer liner 110 and the second chamber 122.
  • the damper installation box 330 can be made of foam material, and includes a front box cover 331 and a rear box cover 332.
  • the front box cover 331 is fastened on the front side of the rear box cover 332, and is formed between the front box cover 331 and the rear box cover 332.
  • the above mentioned air flow inlet and air flow outlet realize the clamping and fixing of the second door frame 321 when the front box cover 331 and the rear box cover 332 are buckled together.
  • embodiments of the present invention can achieve the following beneficial effects:
  • the damper assembly 300 is disposed inside one end of the air supply air duct 230 adjacent to the refrigeration air duct 220 and away from the air supply device in the freezing air duct 210, it can effectively This prevents the damper assembly 300 from icing or frosting, and there is no need to configure a separate heating wire for the damper assembly 300 , thereby reducing the manufacturing cost of the refrigerator 10 .
  • its two second air door assemblies 320 can be used to control the air flow in the refrigeration upper air duct 221 and the refrigeration lower air duct 222 respectively, so that the first room 121 and the cold of the second room 122 The quantity supply does not affect each other, achieving full temperature change in the lower compartment (ie, the second compartment 122) of the refrigerated liner 120.

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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

La présente invention concerne un réfrigérateur et un système de conduits d'air associé. Le système de conduits d'air comprend : un conduit d'air de congélation formé sur le côté arrière d'un contenant intérieur de congélation, un conduit d'air de réfrigération formé sur l'arrière d'un contenant intérieur de réfrigération, un conduit d'alimentation en air formé entre le conduit d'air de congélation et le conduit d'air de réfrigération, et un ensemble trappe d'air. L'ensemble trappe d'air est disposé à l'intérieur d'une extrémité du conduit d'alimentation en air à proximité du conduit d'air de réfrigération et est conçu pour être commandé afin d'ouvrir et fermer le conduit d'alimentation en air.
PCT/CN2023/105907 2022-05-11 2023-07-05 Réfrigérateur et système de conduits d'air associé WO2024008120A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202210515699 2022-05-11
CN202210799102.9 2022-07-06
CN202210799102.9A CN117091344A (zh) 2022-05-11 2022-07-06 一种冰箱

Publications (1)

Publication Number Publication Date
WO2024008120A1 true WO2024008120A1 (fr) 2024-01-11

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Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2023/093242 WO2023217181A1 (fr) 2022-05-11 2023-05-10 Réfrigérateur, et système de conduits d'air associé
PCT/CN2023/105907 WO2024008120A1 (fr) 2022-05-11 2023-07-05 Réfrigérateur et système de conduits d'air associé

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/093242 WO2023217181A1 (fr) 2022-05-11 2023-05-10 Réfrigérateur, et système de conduits d'air associé

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CN (2) CN218349004U (fr)
WO (2) WO2023217181A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218349004U (zh) * 2022-05-11 2023-01-20 青岛海尔电冰箱有限公司 一种冰箱

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Publication number Priority date Publication date Assignee Title
CN112303998A (zh) * 2020-10-28 2021-02-02 海信容声(广东)冰箱有限公司 风冷储藏设备
CN213273353U (zh) * 2020-09-10 2021-05-25 青岛海尔电冰箱有限公司 冰箱
CN216592408U (zh) * 2021-11-29 2022-05-24 松下电器研究开发(苏州)有限公司 风道组件、冰箱
CN218349004U (zh) * 2022-05-11 2023-01-20 青岛海尔电冰箱有限公司 一种冰箱

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Publication number Priority date Publication date Assignee Title
KR20130093990A (ko) * 2012-02-15 2013-08-23 동부대우전자 주식회사 사절부 조립체를 구비한 3도어 냉장고
CN109696001A (zh) * 2018-02-09 2019-04-30 青岛海尔股份有限公司 冷藏送风总成
CN108444175A (zh) * 2018-03-09 2018-08-24 青岛海尔股份有限公司 对开门冰箱
CN113915852B (zh) * 2021-01-04 2023-07-21 海信冰箱有限公司 冰箱

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN213273353U (zh) * 2020-09-10 2021-05-25 青岛海尔电冰箱有限公司 冰箱
CN112303998A (zh) * 2020-10-28 2021-02-02 海信容声(广东)冰箱有限公司 风冷储藏设备
CN216592408U (zh) * 2021-11-29 2022-05-24 松下电器研究开发(苏州)有限公司 风道组件、冰箱
CN218349004U (zh) * 2022-05-11 2023-01-20 青岛海尔电冰箱有限公司 一种冰箱

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WO2023217181A1 (fr) 2023-11-16
CN218349004U (zh) 2023-01-20
CN117091344A (zh) 2023-11-21

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