WO2019153915A1 - Ensemble d'alimentation en air de réfrigération - Google Patents

Ensemble d'alimentation en air de réfrigération Download PDF

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Publication number
WO2019153915A1
WO2019153915A1 PCT/CN2018/123085 CN2018123085W WO2019153915A1 WO 2019153915 A1 WO2019153915 A1 WO 2019153915A1 CN 2018123085 W CN2018123085 W CN 2018123085W WO 2019153915 A1 WO2019153915 A1 WO 2019153915A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerating
air supply
freezing
supply assembly
refrigerator
Prior art date
Application number
PCT/CN2018/123085
Other languages
English (en)
Chinese (zh)
Inventor
赵发
杨发林
张欢
毛宝龙
Original Assignee
青岛海尔股份有限公司
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 青岛海尔股份有限公司 filed Critical 青岛海尔股份有限公司
Priority to EP18905525.4A priority Critical patent/EP3751221A4/fr
Publication of WO2019153915A1 publication Critical patent/WO2019153915A1/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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/12—Insulation with respect to heat using an insulating packing material
    • 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 the technical field of refrigeration equipment, and relates to a refrigerator, in particular to a refrigerating air supply assembly in a refrigerator.
  • the prior art single-system open-door refrigerator freezer air supply damper is generally installed in the refrigerating compartment.
  • a refrigerating air supply duct is arranged in the upper part of the refrigerating compartment, and the air duct is provided with The damper controls the amount of air supplied from the evaporator into the refrigerating compartment, thereby controlling the temperature of the refrigerating compartment.
  • FIG. 1 is a cross-sectional view of a prior art open door refrigerator air duct.
  • the freezing compartment a and the refrigerating compartment b of the door-opening refrigerator are arranged side by side, which further comprises: a freezing tank 1, a fan cover 2, a freezing fan 3, a fan bracket 4, an evaporator 5, a center beam
  • the refrigerating damper 7 is disposed in the refrigerating compartment b.
  • FIG. 2 is a cross-sectional view of the prior art split door refrigerator of FIG. 1.
  • the evaporator 5 is cooled, and the freezing fan 3 is operated.
  • the freezing fan 3 sends the cooled air to the freezing chamber a and the refrigerating chamber b through the fan cover 2 and the center beam foam 6, respectively.
  • a refrigerating air duct is provided at the air inlet of the refrigerating compartment b, and the refrigerating air duct is composed of the refrigerating damper 7, the refrigerating duct foam 8, and the refrigerating duct cover 9.
  • the refrigerating damper 7 When the refrigerating compartment needs to be cooled, the refrigerating damper 7 is opened, and the cold air enters the refrigerating compartment through the refrigerating duct foam 8 and the refrigerating duct cover 9 to cool the refrigerating compartment; when the refrigerating compartment does not require cooling, the refrigerating damper 7 is closed. Cold air cannot enter the interior of the refrigerated compartment.
  • the refrigerating air duct In the refrigerator duct of the prior art, since the temperature of the air entering the refrigerating chamber from the evaporator is relatively low (less than 10 degrees Celsius), in order to avoid condensation in the refrigerating compartment duct, the refrigerating air duct will be internally gathered.
  • the styrene foam is insulated, resulting in a relatively large size of the refrigerated air supply duct, which reduces the effective volume of the refrigerator compartment by more than 10L, and cannot meet the user's requirement for the refrigerator compartment capacity.
  • FIG. 3 is a schematic view showing the air circulation in the prior art refrigeration process of FIG. 1.
  • the cold air passing through the evaporator passes through the freezing fan, a part of the wind is directly blown into the freezing chamber a, and another part of the wind passes through the refrigerating damper, then passes through the middle beam foam, and then passes through the refrigerating air duct.
  • the inside of the refrigerator compartment b Enter the inside of the refrigerator compartment b.
  • the air entering the freezing compartment a and the refrigerating compartment b cools the food, and then reaches the bottom of the evaporator through the refrigerating return air and the freezing return air, and sequentially circulates.
  • the present invention provides a refrigerating air supply assembly capable of expanding the effective capacity of the refrigerating chamber and effectively avoiding cooling leakage.
  • an embodiment of the present invention provides a refrigerating and air supply assembly, which is applied to a refrigerator, which includes a freezing compartment and a refrigerating compartment, a freezing fan, a fan bracket, an evaporator, a freezing duct, a refrigerating tank, and a hair a bubble box, wherein: the freezing air passage is connected to the freezing chamber and the refrigerating chamber, and the refrigerating air duct is provided with a refrigerating air supply damper.
  • the refrigerator is an upper and lower door refrigerator or a side door refrigerator.
  • the fan bracket, the freezing fan, the freezing air duct, and the refrigerating air supply damper are pre-integrated into the refrigerating air supply assembly.
  • the refrigerating air supply assembly is further covered with a heat insulating member.
  • the heat insulating member is a polystyrene foam.
  • the heat insulating member has a thickness ranging from 15 mm to 25 mm.
  • the heat insulating member has a thickness of 20 mm.
  • the heat insulating member is another type of plastic.
  • the plastic heat insulating member or the novel composite material heat insulating member is provided with a heating wire or a vacuum heat insulating plate.
  • the present invention can expand the effective capacity of the refrigerating compartment and effectively avoid cooling leakage.
  • FIG. 1 is a cross-sectional view of a prior art air duct of a refrigerator
  • Figure 2 is a cross-sectional view of the prior art refrigerator of Figure 1;
  • FIG. 3 is a schematic view showing the air circulation in the prior art refrigeration process of FIG. 1;
  • Figure 4 is a cross-sectional view showing a duct of a refrigerator according to an embodiment of the present invention.
  • Figure 5 is a cross-sectional view of the refrigerator of the embodiment of Figure 4.
  • Figure 6 is a schematic view of air circulation during the refrigeration process of the embodiment of Figure 4.
  • the door open refrigerator is an example, but the present invention is not limited to the refrigerator in the room example, and can be applied to other types of refrigerators.
  • FIG. 4 is a cross-sectional view of the airway of the door refrigerator according to an embodiment of the present invention.
  • the freezer compartment a' of the door-opening refrigerator and the refrigerating compartment b' are arranged side by side, which further comprises: a freezing tank 1', a fan bracket 2', a freezing fan 3', an evaporator 4', and a refrigerating The air supply damper 5', the damper heat insulating member 6', the refrigerating inner tank 7', the middle beam air blowing heat insulating member 8', the refrigerating air duct 9', and the foaming box body 10'.
  • the present invention eliminates the refrigerating damper provided in the refrigerating chamber in the prior art, and instead, a refrigerating air supply damper is provided in the freezing chamber, and the refrigerating air supply damper is integrated in the evaporation.
  • the upper part of the device can effectively increase the volume ratio of the refrigerating chamber.
  • a damper heat insulating member is also arranged at the refrigerating air supply damper position, and the chilled air supply is provided through the damper heat insulating member and the bracket claw. The damper is fixed to the fan bracket.
  • the fan bracket 2', the freezing fan 3', the refrigerating air supply damper 5', and the damper heat insulating member 6' are integrated and assembled in advance to form a refrigerating air supply assembly;
  • the wind assembly is installed into the freezer compartment.
  • a cover plate is generally added to the refrigerating air supply damper, and a heating wire is attached to the cover plate.
  • the damper heat insulating member needs to have a certain heat insulating thickness.
  • the damper insulation is polystyrene foam and has a thickness in the range of 15 mm to 25 mm. Most preferably, the polystyrene foam has a thickness of about 20 mm.
  • the thickness of the heat insulating member changes accordingly.
  • a heating wire or a vacuum heat insulating plate is generally disposed on the plastic heat insulating member.
  • the refrigerating air duct may extend only in the horizontal direction to the upper portion of the middle beam and be led out to the refrigerating chamber by fewer air outlets. More preferably, the refrigerating air duct includes a first section extending first in the horizontal direction to the upper section of the middle beam, and then a second section extending downward along the middle beam, and is led out to the refrigerating compartment by more air outlets, thereby improving Refrigeration efficiency of the refrigerator freezer.
  • Fig. 6 is a schematic view showing the air circulation in the refrigeration process according to an embodiment of the present invention.
  • the present invention provides the refrigerating air supply damper in the interior of the freezing compartment a', and can effectively solve the problem of air leakage in the refrigerating air duct existing in the prior art. As shown in the figure, when the refrigerating compartment b' needs to be cooled, the refrigerating fan works, and the refrigerating damper opens.
  • the cold air passes through the refrigerating air supply damper 5' ⁇ the damper insulation 6' ⁇ the middle beam air duct insulation 8' ⁇ refrigerated
  • the air duct 9' enters the refrigerating chamber; when the refrigerating chamber b' does not require cooling, the refrigerating damper is closed, and the freezing chamber a' and the refrigerating air supply damper 5' can be completely cut off to prevent the refrigerating chamber b' from leaking air.
  • the refrigerating air duct first extends in a horizontal direction to the first section of the outer cover of the middle beam, and the second section of the outer section of the middle beam extends downwardly along the middle beam.
  • the hot part is used to alleviate the condensation of the inner wall of the refrigerator compartment near the side of the freezer compartment.
  • an embodiment of the present invention has a larger refrigerating compartment with a smaller capacity for the door opening refrigerator, and effectively avoids cold air leakage.

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)

Abstract

Un ensemble d'alimentation en air de réfrigération, appliqué à un réfrigérateur, le réfrigérateur comprenant une chambre de congélation (a') et une chambre de réfrigération (3'), un ventilateur de congélation (3'), un support de ventilateur (2'), un évaporateur (4'), un conduit d'air de congélation, une doublure de réfrigération (7'), et une boîte de moussage (10') : le conduit d'air de congélation est en communication avec la chambre de congélation (a') et la chambre de réfrigération (3'), et une porte de ventilation d'alimentation en air de réfrigération (5') est installée à l'intérieur du conduit d'air de congélation.
PCT/CN2018/123085 2018-02-09 2018-12-24 Ensemble d'alimentation en air de réfrigération WO2019153915A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18905525.4A EP3751221A4 (fr) 2018-02-09 2018-12-24 Ensemble d'alimentation en air de réfrigération

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810134741.7 2018-02-09
CN201810134741.7A CN109696001A (zh) 2018-02-09 2018-02-09 冷藏送风总成

Publications (1)

Publication Number Publication Date
WO2019153915A1 true WO2019153915A1 (fr) 2019-08-15

Family

ID=66229605

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/123085 WO2019153915A1 (fr) 2018-02-09 2018-12-24 Ensemble d'alimentation en air de réfrigération

Country Status (3)

Country Link
EP (1) EP3751221A4 (fr)
CN (1) CN109696001A (fr)
WO (1) WO2019153915A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7284686B2 (ja) * 2019-10-30 2023-05-31 日立グローバルライフソリューションズ株式会社 冷蔵庫
CN114165965B (zh) * 2020-09-10 2023-03-28 青岛海尔电冰箱有限公司 冰箱
CN112179022B (zh) * 2020-09-28 2022-04-12 海信容声(广东)冰箱有限公司 冰箱
CN113915852B (zh) * 2021-01-04 2023-07-21 海信冰箱有限公司 冰箱
CN113915851B (zh) * 2021-01-04 2023-07-21 海信冰箱有限公司 冰箱
CN113915853B (zh) * 2021-01-04 2023-06-30 海信冰箱有限公司 冰箱
CN216114889U (zh) * 2021-05-28 2022-03-22 青岛海尔电冰箱有限公司 一种单系统对开门冰箱
CN114264105A (zh) * 2022-01-17 2022-04-01 珠海格力电器股份有限公司 制冷设备
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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US3793847A (en) * 1973-03-16 1974-02-26 Philco Ford Corp Refrigeration apparatus
US4009590A (en) * 1976-01-02 1977-03-01 General Electric Company Single evaporator, single fan combination refrigrator with independent temperature controls
FR2549942A1 (fr) * 1983-07-26 1985-02-01 Henriot Jean Luc Installation de surgelation et de conservation des produits alimentaires
CN1470830A (zh) * 2002-07-25 2004-01-28 Lg������ʽ���� 冰箱的冷空气供应装置
CN101382372A (zh) * 2007-09-07 2009-03-11 日立空调·家用电器株式会社 电冰箱

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JP4101252B2 (ja) * 2005-05-31 2008-06-18 三洋電機株式会社 冷蔵庫
CN101413747B (zh) * 2007-10-19 2012-07-25 苏州三星电子有限公司 改进的具有变温室的冰箱
CN202024565U (zh) * 2011-03-14 2011-11-02 海尔集团公司 用于冰箱的风道总成、具有该风道总成的冰箱
KR20130094019A (ko) * 2012-02-15 2013-08-23 동부대우전자 주식회사 냉장고
CN103575023B (zh) * 2013-11-15 2016-03-23 海信容声(广东)冰箱有限公司 一种冰箱风道系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793847A (en) * 1973-03-16 1974-02-26 Philco Ford Corp Refrigeration apparatus
US4009590A (en) * 1976-01-02 1977-03-01 General Electric Company Single evaporator, single fan combination refrigrator with independent temperature controls
FR2549942A1 (fr) * 1983-07-26 1985-02-01 Henriot Jean Luc Installation de surgelation et de conservation des produits alimentaires
CN1470830A (zh) * 2002-07-25 2004-01-28 Lg������ʽ���� 冰箱的冷空气供应装置
CN101382372A (zh) * 2007-09-07 2009-03-11 日立空调·家用电器株式会社 电冰箱

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Title
See also references of EP3751221A4

Also Published As

Publication number Publication date
EP3751221A4 (fr) 2021-04-07
CN109696001A (zh) 2019-04-30
EP3751221A1 (fr) 2020-12-16

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