EP3764031B1 - Integrated air duct module and refrigerator having integrated air duct module - Google Patents

Integrated air duct module and refrigerator having integrated air duct module Download PDF

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Publication number
EP3764031B1
EP3764031B1 EP18908682.0A EP18908682A EP3764031B1 EP 3764031 B1 EP3764031 B1 EP 3764031B1 EP 18908682 A EP18908682 A EP 18908682A EP 3764031 B1 EP3764031 B1 EP 3764031B1
Authority
EP
European Patent Office
Prior art keywords
air
duct
air duct
refrigerator
integrated
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP18908682.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3764031A1 (en
EP3764031A4 (en
Inventor
Baochun JU
Fa ZHAO
Falin Yang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Co Ltd
Original Assignee
Qingdao Haier Co Ltd
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 Qingdao Haier Co Ltd filed Critical Qingdao Haier Co Ltd
Publication of EP3764031A1 publication Critical patent/EP3764031A1/en
Publication of EP3764031A4 publication Critical patent/EP3764031A4/en
Application granted granted Critical
Publication of EP3764031B1 publication Critical patent/EP3764031B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0663—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the mullion
    • 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
    • F25D2317/0672—Outlet 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/06—Refrigerators with a vertical mullion

Definitions

  • the present invention relates to the field of household appliances, and in particular, to an integrated air duct module and a refrigerator having the same.
  • a refrigeration link is a core of a refrigerator to achieve a basic function thereof, and in the refrigeration link, an air duct is essential in the refrigerator as a delivery passage of cold air.
  • parts of the air duct are assembled separately, resulting in a complex assembly process; usually, connection and fixation of the parts constituting the air duct with one another and with other structures of the refrigerator have a problem of affecting a mounting quality due to a large error.
  • a top of a refrigerator compartment tends to be required to be provided with a protruding structure which protrudes to an interior of the refrigerator compartment to accommodate an air vent of the refrigerator compartment, and the protruding structure occupies a partial space of the refrigerator compartment and may reduce a storage volume thereof.
  • EP 2 975 341 A1 discloses an air duct module according to the preamble of claim 1 for a refrigerator which comprises an evaporator, a shroud provided with a suction hole for sucking the air heat-exchanged with the evaporator a fan motor unit provided to the shroud, a discharge panel provided with a discharge hole for discharging, to a storage chamber, the air flowing by the fan motor unit, and a door for opening and closing the storage chamber.
  • the shroud is provided with a fan motor unit provision part at the surface facing the discharge panel so as to provide the fan motor unit thereto, and the fan motor unit enables the air to flow at a position between the shroud and the discharge panel so as to minimize the passage resistance of the air, which is sucked through the suction hole, and to minimize noise.
  • CN 203464581 U discloses an air flue of a humidification refrigerator, comprising an air flue body which is fixed to an inner container of a freezing chamber.
  • a fan is arranged on the air flue body, and a freezing air outlet communicated with the freezing chamber is formed in the air flue body.
  • a freezing air door used for controlling cold air to circulate or not is arranged on the freezing air outlet, and a refrigeration air outlet communicated with a refrigeration chamber is formed in the air flue body.
  • the freezing chamber is separated from an evaporator through an inner cover, and two different air paths are formed in the refrigeration chamber and the freezing chamber through the freezing air door and a refrigeration air flue arranged on the inner cover so that the function of humidifying the refrigeration chamber is achieved.
  • GB 2306212 A discloses a cooling air circulating structure for a refrigerator which includes a shroud disposed between an evaporator chamber and a grill panel for distributing cold air generated in the evaporator chamber respectively into a freezer compartment and a main refrigerating compartment which are separated by a barrier.
  • a duct unit disposed in the refrigerating compartment comprises an upper duct portion and a lower duct portion. The duct unit allows cold air to pass from the shroud into the refrigerating compartment and returns the cold air back to the evaporator chamber via detachable air freshening receptacles containing deodorizing material.
  • Hollow racks can be detachably inserted into the cold air discharge ports so as to partition the interior of the compartment into several sections. Cold air may also enter the main refrigerating compartment via a ceiling duct passage.
  • WO 2017/039332 A1 discloses a refrigerator comprising: a cabinet provided with a refrigeration chamber and a vaporization chamber; a first door is connected to the front of the cabinet so as to open/close at least a part of the refrigeration chamber; a housing provided on the first door; an ice-making chamber, which is formed in the upper inside of the housing and has a cold-air inlet and a cold-air outlet formed in one side thereof; a chiller room which is formed in the lower inside of the housing and has a cold-air outlet formed in one side thereof; a second door rotatably connected to the first door so as to open/close the chiller room; a partition wall, which horizontally divides the ice-making chamber and the chiller room and has a communication hole for allowing the ice-making chamber to communicate with the chiller room; a damper for opening/closing the communication hole so as to control the flow of cold air between the ice-making chamber and the chiller room; a cold-air supply duct for connecting the exit
  • WO 2017/067189 A1 , CN 107490237 A , WO 2010/087572 A2 , US 2009/113924 A1 , US 5,881,568 A , US 3,982,584 A , US 2013/000333 A1 , and WO 2011/081500 A2 disclose additional prior art air ducts for refrigerators.
  • the present invention seeks to solve one of the technical problems in a prior art to at least some extent.
  • the present invention provides an integrated air duct module and a refrigerator according to the corresponding appended claims.
  • the present invention has the following beneficial effects.
  • a dispersed structure of a traditional air duct is changed, and the air duct for delivering cold air is formed into a modular structure, which may improve an assembly accuracy of a refrigerator effectively; based on a specific design structure of the integrated air duct module, for example, when the integrated air duct module is applied to a side-by-side refrigerator, an air vent provided at one side of a refrigerator compartment of the traditional refrigerator may be omitted, thereby avoiding formation of a protruding structure occupying a storage volume of the refrigerator compartment at a top of the refrigerator compartment, and increasing a storage space of the refrigerator compartment.
  • FIGS. 1-14 show some preferable embodiments of the present invention.
  • a refrigerator according to the present invention may be configured as a side-by-side refrigerator.
  • the side-by-side refrigerator includes a refrigerator compartment 30 and a freezing compartment 20 provided adjacent to each other, and a mullion 4 separating the refrigerator compartment 30 from the freezing compartment 20.
  • the refrigerator compartment 30 is enclosed by a refrigerating liner 3
  • the freezing compartment 20 is enclosed by a freezing liner 2
  • the mullion 4 includes two adjacent side walls of the freezing liner 2 and the refrigerating liner 3.
  • the side-by-side refrigerator further includes an integrated air duct module 100 located at a rear side of the freezing compartment 20, for delivering cold air.
  • the integrated air duct module 100 includes an air duct housing with an air duct (not shown) formed therein, and the air duct housing is provided with an air inlet 110 for cold air to enter the air duct, and a first air outlet 120 and a second air outlet 111 for discharging the cold air in the air duct; as shown in FIGS.
  • the first air outlet 120 is communicated with the freezing compartment 20, and the mullion 4 is provided therein with a refrigerating air outlet duct 40 which is communicated with the second air outlet 111 and has an air supply outlet 400 communicated with the refrigerator compartment 30.
  • the air duct housing includes an air-duct rear plate 11 provided with the air inlet 110 and an air-duct front cover plate 12 provided with the first air outlet 120, and the air-duct front cover plate 12 is provided opposite to the air-duct rear plate 11 to form the air duct therebetween.
  • the air-duct rear plate 11 may be in a snap-fit relationship with the air-duct front cover plate 12 to be fixed integrally.
  • the integrated air duct module 100 further includes an air vent 16 fixed at the second air outlet 111, for controlling the second air outlet 111 to be opened and closed.
  • the air vent 16 in the present invention serves as a part of the integrated air duct module 100 located at a rear side of the freezing compartment 20, and based on a specific design structure of the integrated air duct module, a protruding structure in a traditional design is not required to be formed in the refrigerator compartment 30; as shown in FIGS. 12 and 14 , only the refrigerating air outlet duct 40 is required to be provided at one side of the refrigerator compartment 30, and connected with the integrated air duct module for delivering the cold air, such that the refrigerator compartment 30 has a simple internal structure and an enlarged storage space.
  • a wall constituting the refrigerating air outlet duct 40 slightly protrudes from a wall surface of the mullion 4 at one side of the refrigerator compartment 30; alternatively, the wall constituting the refrigerating air outlet duct 40 does not protrude from the wall surface of the mullion 4 at the side of the refrigerator compartment 30.
  • the integrated air duct module 100 further includes a fan 13 fixed relative to the air duct housing to drive the cold air in the air duct to flow.
  • the fan 13 is configured as a radial fan and fixed to a side of the air inlet 110 close to the air-duct front cover plate 12, and a rotation axis O-O' of the fan 13 is in the same direction as the first air outlet 110.
  • the integrated air duct module 100 further includes a fixing piece for fixing the fan 13 to the air-duct rear plate 11.
  • the fixing piece is configured as a pressing plate 14 with the substantially same shape as the fan 13, a periphery of the fan 13 is provided with a fitting portion 130 matched with the pressing plate 14, and the air-duct rear plate 11 is provided with a fixing portion (not shown) where the pressing plate 14 is mounted to fix the fitting portion 130 at the peripheral of the fan 13.
  • the fitting portion 130 and the fixing portion are both of a screw hole structure, and a bolt passing through the pressing plate 14 is fitted with a screw hole to fix the fan 13.
  • An evaporator (not shown) of the refrigerator is provided at a rear side of the air-duct rear plate 11. Specifically, as shown in FIGS. 13 and 14 , a cavity (not shown) where the evaporator is placed is formed between a rear plate 21 at the rear side of the freezing compartment 30 and the air-duct rear plate 11, and the air duct of the integrated air duct module 100 is communicated with the cavity through the air inlet 110.
  • the refrigerator operates, by the rotating fan 13, the cold air refrigerated by the evaporator in the cavity is sucked into the air duct of the integrated air duct module 100 through the air inlet 110, and driven to flow in the air duct.
  • the second air outlet 111 is located at a radial air outgoing side of the fan 13. Referring to FIG. 2 , the second air outlet 111 is provided close to one lateral side of the fan 13.
  • the integrated air duct module 100 further includes an air guide portion 15 fixed at the second air outlet 111 and provided therein with a flow guide cavity 150 communicated with the second air outlet 111 to guide the cold air into the refrigerating air outlet duct 40. More specifically, as shown in FIGS. 10 and 14 , a switching passage (not shown) is further provided between the flow guide cavity 150 and the refrigerating air outlet duct 40, and formed in a switching portion 411 to enable the flow guide cavity 150 to be communicated with the refrigerating air outlet duct 40.
  • the air guide portion 15 is formed by assembling a first air guide member 151 and a second air guide member 152, and alternatively may also be integrally formed.
  • both the air guide portion 15 and the switching portion 411 are made of a heat insulating material, thereby avoiding a loss of cold energy of the cold air.
  • the air vent 16 is provided in the flow guide cavity 150.
  • the air vent 16 in the present embodiment includes an air vent fixed portion 161 fixed in the flow guide cavity 150 directly and an air vent body 162 rotationally provided relative to the air vent fixed portion 161.
  • the air vent body 162 is rotated and approaches a side wall of the flow guide cavity 150, thereby achieving conduction of the flow guide cavity 150;
  • the air vent 16 is closed, referring to FIG. 8 , the air vent body 162 is rotated and obstructs two ends of the flow guide cavity 150, and at this point, the cold air is unable to enter the refrigerator compartment through the second air outlet 111.
  • the cold air enters the flow guide cavity 150 through the second air outlet 111, the refrigerating air outlet duct 40 through the switching passage, and the refrigerator compartment 30 through the air supply outlet 400, thereby achieving a refrigerating function of the refrigerator compartment 30.
  • the air duct housing has a covering portion 17 extending outwards and at least covering a part of an outer wall of the air guide portion 15.
  • the covering portion 17 is formed at the air-duct rear plate 11, a mounting cavity where the air guide portion 15 is embedded and mounted is formed between the covering portion 17 and the air-duct front cover plate 12, and when the air guide portion 15 is embedded into the mounting cavity, a butt joint is implemented between the flow guide cavity 150 and the second air outlet 111.
  • the integrated air duct module according to the present invention, a dispersed structure of a traditional air duct is changed, and the air duct for delivering the cold air is formed into a modular structure, which may improve an assembly accuracy of the refrigerator effectively.

Landscapes

  • 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)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Compressor (AREA)
EP18908682.0A 2018-03-09 2018-12-26 Integrated air duct module and refrigerator having integrated air duct module Active EP3764031B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810195287.6A CN108548355B (zh) 2018-03-09 2018-03-09 风道集成模块及具有该风道集成模块的冰箱
PCT/CN2018/123736 WO2019169935A1 (zh) 2018-03-09 2018-12-26 风道集成模块及具有该风道集成模块的冰箱

Publications (3)

Publication Number Publication Date
EP3764031A1 EP3764031A1 (en) 2021-01-13
EP3764031A4 EP3764031A4 (en) 2021-04-21
EP3764031B1 true EP3764031B1 (en) 2023-06-07

Family

ID=63515958

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18908682.0A Active EP3764031B1 (en) 2018-03-09 2018-12-26 Integrated air duct module and refrigerator having integrated air duct module

Country Status (4)

Country Link
EP (1) EP3764031B1 (zh)
CN (1) CN108548355B (zh)
ES (1) ES2954486T3 (zh)
WO (1) WO2019169935A1 (zh)

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CN109556342B (zh) * 2018-11-23 2023-11-28 长虹美菱股份有限公司 一种组合冰箱及其组合冰箱控制方法
KR20200076418A (ko) 2018-12-19 2020-06-29 삼성전자주식회사 냉장고
CN109869972A (zh) * 2019-01-25 2019-06-11 合肥雪祺电气有限公司 一种冰箱用一体式风门结构
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CN108548355B (zh) * 2018-03-09 2020-06-23 青岛海尔股份有限公司 风道集成模块及具有该风道集成模块的冰箱

Also Published As

Publication number Publication date
EP3764031A1 (en) 2021-01-13
CN108548355B (zh) 2020-06-23
WO2019169935A1 (zh) 2019-09-12
CN108548355A (zh) 2018-09-18
ES2954486T3 (es) 2023-11-22
EP3764031A4 (en) 2021-04-21

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