CN106403456B - A kind of refrigerator refrigeration system and refrigerator - Google Patents

A kind of refrigerator refrigeration system and refrigerator Download PDF

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Publication number
CN106403456B
CN106403456B CN201610875062.6A CN201610875062A CN106403456B CN 106403456 B CN106403456 B CN 106403456B CN 201610875062 A CN201610875062 A CN 201610875062A CN 106403456 B CN106403456 B CN 106403456B
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CN
China
Prior art keywords
evaporator
air duct
air
refrigerator
centrifugal blower
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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.)
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Application number
CN201610875062.6A
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Chinese (zh)
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CN106403456A (en
Inventor
吴默
史慧新
张贤中
龚勤勤
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.)
Hefei Hualing Co Ltd
Midea Group Co Ltd
Hefei Midea Refrigerator Co Ltd
Original Assignee
Hefei Hualing Co Ltd
Midea Group Co Ltd
Hefei Midea Refrigerator Co Ltd
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Application filed by Hefei Hualing Co Ltd, Midea Group Co Ltd, Hefei Midea Refrigerator Co Ltd filed Critical Hefei Hualing Co Ltd
Priority to CN201610875062.6A priority Critical patent/CN106403456B/en
Publication of CN106403456A publication Critical patent/CN106403456A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062Arrangements 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F25D19/003Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with respect to movable containers

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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

The present invention relates to refrigeration for refrigerator technologies, provide a kind of refrigerator refrigeration system and refrigerator.The refrigerator refrigeration system, including the air duct being arranged in refrigeration compartment, and it is opened in return air inlet and air outlet on the air duct, centrifugal blower and evaporator are provided in the air duct, the evaporator is annular in shape and surrounds the centrifugal blower, so that inner ring surface air draft of the centrifugal blower towards the evaporator;The air inlet direction of the centrifugal blower and the return air inlet correspond to.In the program, since centrifugal blower and evaporator are arranged in air duct, and the air inlet direction of centrifugal blower and the return air inlet correspond to, so as to improve the space availability ratio of refrigerator compartment;Further, since inner ring surface air draft of the centrifugal blower towards the evaporator, wind speed is very fast when passing through evaporator so as to wind, high with respect to the heat exchange efficiency of evaporator in traditional technology.

Description

A kind of refrigerator refrigeration system and refrigerator
Technical field
The present invention relates to refrigeration for refrigerator technology more particularly to a kind of refrigerator refrigeration systems and refrigerator.
Background technology
Fig. 1 is referred to, the air cooling system of the prior art includes being set to the air duct 002 at inner container of icebox rear portion and abuts against wind 002 rear portion of road or the evaporator fin 001 at the babinet rear portion of refrigerator, air duct 002 have the return air inlet with refrigeration compartment unicom And air outlet, evaporator 001 utilize the air-flow in fin cooling air channel 002.Above-mentioned air duct 002 is additionally provided with fan 003, works as wind Wind pressure is provided during 003 rotation of fan, wind exchanges heat from return air inlet by the pipeline and fin of evaporator fin 001 with evaporator 001, most It blows afterwards by 002 air outlet of air duct to compartment.Problems of the prior art are, evaporator 001 and air duct 002 and fan 003 is separated, and volume occupies big;In addition, wind speed is low compared with heat exchange efficiency is caused slowly when return air passes through evaporator 001;Also, wind Road 002 generally requires setting air duct backboard 004, higher so as to manufacture cost.
Invention content
(1) technical problems to be solved
The purpose of the present invention is:A kind of refrigerator refrigeration system and refrigerator are provided, solve refrigeration system in the prior art The problem of occupied space of uniting is greatly and heat exchange efficiency is low.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of refrigerator refrigeration system, including being arranged on refrigeration compartment In air duct and the return air inlet and air outlet that are opened on the air duct, be provided with centrifugal blower and evaporation in the air duct Device, the evaporator is annular in shape and surrounds the centrifugal blower, so that inner ring of the centrifugal blower towards the evaporator Face air draft;The air inlet direction of the centrifugal blower and the return air inlet correspond to.
Preferably, the air outlet is corresponding with the outer shroud of the evaporator or the air outlet and the evaporator Outer shroud other than position it is corresponding.
Preferably, it is provided with guide duct at the air outlet.
Preferably, the radiating fin that the evaporator includes the heat-dissipating pipe of S-type distribution and is fixed on the heat-dissipating pipe Piece.
Preferably, the evaporator is in annular shape, and the heat-dissipating pipe is along the S-type distribution of radial direction of the evaporator, institute There is the radiating fin to extend each along the radial direction of the evaporator.
Preferably, the air duct has the air duct panel being clamped mutually and air duct backboard, the air duct panel and the wind Air duct inner cavity is formed between road backboard, the return air inlet and the air outlet are arranged on the air duct panel, the centrifugation Wind turbine and evaporator are each attached on the air duct backboard.
Preferably, the air duct backboard is the rear wall of inner container of icebox.
Preferably, the return air inlet is located at the middle part of the air duct panel, and the quantity of the air outlet is multiple and described Air outlet is distributed around the return air inlet.
The present invention also provides a kind of refrigerator, including above-mentioned refrigerator refrigeration system.
Preferably, the air duct is located at the position of the close inner container of icebox rear wall of the refrigerator.
(3) advantageous effect
Technical scheme of the present invention has the following advantages:The refrigerator refrigeration system of the present invention, including being arranged on refrigeration compartment In air duct and the return air inlet and air outlet that are opened on the air duct, be provided with centrifugal blower and evaporation in the air duct Device, the evaporator is annular in shape and surrounds the centrifugal blower, so that inner ring of the centrifugal blower towards the evaporator Face air draft;The air inlet direction of the centrifugal blower and the return air inlet correspond to.In the program, since centrifugal blower and evaporator are equal It is arranged in air duct, and the air inlet direction of centrifugal blower and the return air inlet correspond to, so as to improve the space of refrigerator compartment Utilization rate;Further, since inner ring surface air draft of the centrifugal blower towards the evaporator, when passing through evaporator so as to wind wind speed compared with Soon, with respect to the heat exchange efficiency of traditional technology apoplexy pervaporation device height.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 be the prior art refrigerator in air cooling system structure diagram;
Fig. 2 is refrigerator refrigeration system exploded perspective view in embodiment;
Fig. 3 is the schematic elevation view of assembled refrigerator refrigeration system in embodiment;
Fig. 4 is the schematic cross-sectional view at A-A in Fig. 3;
Fig. 5 is the schematic top plan view of assembled refrigerator refrigeration system in embodiment;
Fig. 6 is the structure diagram of evaporator in embodiment;
Fig. 7 is the structure diagram of centrifugal blower in embodiment;
Fig. 8 is scheme of installation of the refrigerator refrigeration system in refrigerator compartment in embodiment;
In figure:001st, evaporator;002nd, air duct;003rd, fan;004th, air duct backboard;1st, evaporator;101st, heat-dissipating pipe; 102nd, radiating fin;2nd, air duct;201st, air duct panel;202nd, air duct backboard;3rd, centrifugal blower;4th, return air inlet;5th, air outlet.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for Illustrate the present invention, but cannot be used for limiting the scope of the invention.
In the description of the present invention, it should be noted that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark Show that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right The limitation of the present invention.In addition, term " first ", " second ", " third " are only used for description purpose, and it is not intended that instruction or dark Show relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected;It can be machine Tool is connected or is electrically connected;It can be directly connected, can also be indirectly connected by intermediary.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Fig. 2 is referred to, the refrigerator refrigeration system of the present embodiment including the air duct 2 being arranged in refrigeration compartment and opens up Return air inlet 4 and air outlet 5 on the air duct 2 are provided with centrifugal blower 3 and evaporator 1, the evaporation in the air duct 2 Device 1 is annular in shape and surrounds the centrifugal blower 3, so that inner ring surface air draft of the centrifugal blower 3 towards the evaporator 1; The air inlet direction of the centrifugal blower 3 and the return air inlet 4 correspond to.
Wherein, it is cyclic annular both to include annulus, vesica piscis, straight-flanked ring, hexagonal rings etc. are further included, as long as this kind of shape Evaporator can surround centrifugal blower and cause inner ring surface air draft of the centrifugal blower towards the evaporator.
In addition, " the air inlet direction of centrifugal blower and the return air inlet correspond to " reference is:Return air inlet is arranged on centrifugation wind In the impeller axle of machine or near impeller axle, with can be so that return air enters in the impeller of centrifugal blower for standard.
In the present embodiment, since centrifugal blower 3 and evaporator 1 are arranged in air duct 2, so as to improve refrigerator compartment Space availability ratio.Further, since inner ring surface air draft of the centrifugal blower 3 towards the evaporator 1, and the air inlet of centrifugal blower 3 Direction and the return air inlet 4 correspond to, and wind speed is very fast when passing through evaporator 1 so as to wind, with respect to the heat exchange of evaporator in traditional technology 1 It is efficient.
Specifically, when centrifugal blower 3 is opened negative pressure is generated in its own air inlet direction.Due to the air inlet side of centrifugal blower 3 It is corresponded to the return air inlet 4, therefore negative pressure is generated at return air inlet 4 so that return air enters centrifugal blower by return air inlet 4 In 3.Wherein, return air carries out covert (to) after the impeller of centrifugal blower 3 and along the Radial Flow of impeller.Due to evaporation Device 1 is annular in shape and surrounds the centrifugal blower 3, so that the inner ring surface of centrifugal blower 3 towards the evaporator 1 is arranged Wind.Wind forms cold air and full of air duct cavity after the evaporator 1 for being enclosed in 3 outside of centrifugal blower cools down, with air duct Air in cavity is more and more, and wind pressure is increasing, and cold air can be blown by air outlet 5 in refrigerator compartment to cool down to compartment. Cold air enters air duct 2 by return air inlet 4 again after indoor abundant heat exchange, so recycles.
On above-mentioned basis, in order to ensure that evaporator 1 is sufficiently cooled the air draft of centrifugal blower 3, preferred air outlet 5 Corresponding or air outlet 5 and the position other than the outer shroud of the evaporator 1 are corresponding with the outer shroud of the evaporator 1, so as to Wind, which enters from the inner ring surface of cyclic annular evaporator 1 from outer ring surface, to be left, and enter in compartment and made eventually by air outlet 5 It is cold.Certainly, air outlet 5 is opened in other any positions are also possible, as long as the wind that centrifugal blower 3 is discharged has certain wind Speed, the wind flowed towards 1 inner ring surface of evaporator still can leave evaporator 1 by 1 outer ring surface of evaporator.
In Fig. 2, guide duct is provided at air outlet 5, which can play the role of guiding wind direction, so that ice The indoor more uniform temperature of case.Wherein, guide duct can also be with air duct panel 201 into one perpendicular to air duct panel 201 Determine angle.
Please with further reference to Fig. 2, air duct 2 has air duct panel 201 and air duct backboard 202, and in air duct panel 201 and wind Air duct inner cavity is formed between road backboard 202.Wherein, the mode of clamping may be used between air duct panel 201 and air duct backboard 202 Connection, the connection mode between certain air duct panel 201 and air duct backboard 202 are not limited by snap fit.Also, it is preferred that adopts By the use of the rear wall of inner container of icebox as air duct backboard 202, without additionally setting air duct backboard 202, reach simplified structure drop The effect of low cost.
On the basis of the above, the return air inlet 4 and the air outlet 5 are arranged on the air duct panel 201.Come in one Step is located at the middle part of the air duct panel 201 referring to Fig. 2, preferably return air inlet 4, and the quantity of the air outlet 5 is multiple and described Air outlet 5 is distributed around the return air inlet 4.In the case of this kind, since return air inlet 4 is located at the middle part of air duct panel 201, it can allow down Heavy cold air up flows, the indoor temperature uniformity greatly improved.And since the quantity of air outlet 5 is multiple And be distributed around the return air inlet 4, so as to further improve temperature uniformity.
Certainly it should be noted that return air inlet 4 will not necessarily be arranged on the middle part of air duct panel 201, as long as ensureing it It is corresponding direction can be entered the wind with centrifugal blower 3.In addition, the quantity of air outlet 5 and distribution are also not limited by the accompanying figures, It can also be any number of, can also be arbitrarily distributed on air duct panel 201.Certainly, according to mentioned above " in order to ensure Evaporator 1 is sufficiently cooled return air ", it is preferably such that the outer of air outlet 5 on air duct panel 201 and the evaporator 1 Position other than ring and outer shroud is corresponding.Also, under the premise of air inlet is not influenced, for beauty, it can be formed in air inlet Pierced pattern.
In addition, centrifugal blower 3 and evaporator 1 are preferably fixed on the air duct backboard 202.For example, it is had on evaporator 1 The fixed structure of screw hole or plastic buckle etc is carried on the back so as to which evaporator 1 is assembled to air duct by screw hole or plastic buckle On plate 202, the fixed form between certain evaporator 1 and air duct backboard 202 is not limited by the present embodiment.In addition, centrifugation wind The fixed structure of screw hole or plastic buckle etc is typically provided on 3 pedestal of machine, thus will by screw hole or plastic buckle Centrifugal blower 3 is assembled on air duct backboard 202, the fixed form between certain centrifugal blower 3 and air duct backboard 202 equally not by The limitation of the present embodiment.
Also, when air duct backboard 202 is inner container of icebox, then evaporator 1 and centrifugal blower 3 are directly anchored in refrigerator On courage.In the case of this kind, the air duct backboard eliminated in traditional technology is equivalent to, so as to save manufacture cost.
In the present embodiment, assembled refrigerator refrigeration system refers to Fig. 3 to Fig. 5.It can be seen that air duct panel 201 On 4 face centrifugal blower 3 of return air inlet central shaft setting, air outlet 5 then arranges around return air inlet 4.Also, the centrifugation in figure Wind turbine 3 and evaporator 1 are coaxially disposed.
The refrigerator refrigeration system of the present embodiment, evaporator 1 include heat-dissipating pipe 101 and are fixed on the heat-dissipating pipe 101 Radiating fin 102.Wherein, heat-dissipating pipe 101 is hollow pipeline, so that refrigerant liquid passes through simultaneously evaporation endothermic.In addition, heat dissipation The effect of fin 102 is to enhance heat exchange, therefore radiating fin 102 is generally made of the high material of metal or thermal conductivity.When So, in addition to using this kind of finned evaporator 1, other any form of evaporators 1 can also be used in the present embodiment, as long as its The heat transfer requirements in the present embodiment, which can be met, to be opened.
On this basis, in order to further enhance heat dissipation, S types heat-dissipating pipe 101 is used in the present embodiment.Such as it is steamed in Fig. 6 Send out device 1 in it is circular when, at this time heat-dissipating pipe 101 along the evaporator 1 the S-type distribution of radial direction so that inner ring surface into Enter the return air that outer ring surface leaves fully to be exchanged heat.Also, it is preferred that diameter of the radiating fin 102 each along the evaporator 1 Extend to direction, to ensure heat exchange uniformly and convenient for the distribution of radiating fin 102.
Certainly it should be noted that evaporator 1 is not limited by the accompanying figures, and the knot of heat-dissipating pipe 101 and radiating fin 102 Structure is also not limited by the accompanying figures.
Further, the centrifugal blower 3 of the present embodiment, structure refers to Fig. 7.As can be seen from Figure 7 centrifugal blower 3 Pedestal on be provided with screw hole for installation.
Also, with further reference to Fig. 3 to Fig. 5, it can be seen that centrifugal blower 3 shown in Fig. 7 just sets evaporation shown in Fig. 6 Among device 1.
On the basis of the above, the present embodiment also provides a kind of refrigerator, including above-mentioned refrigerator refrigeration system.Refer to Fig. 8, It is preferred that air duct 2 is located at the position of the close inner container of icebox rear wall of the refrigerator.
Embodiment of above is merely to illustrate the present invention rather than limitation of the present invention.Although with reference to embodiment to this hair It is bright to be described in detail, it will be understood by those of ordinary skill in the art that, to technical scheme of the present invention carry out it is various combination, Modification or equivalent replacement, without departure from the spirit and scope of technical solution of the present invention, the right that should all cover in the present invention is wanted It asks in range.

Claims (10)

1. a kind of refrigerator refrigeration system, including the air duct being arranged in refrigeration compartment and the return air being opened on the air duct Mouth and air outlet, which is characterized in that centrifugal blower and evaporator are provided in the air duct, the evaporator is annular in shape and surrounds The centrifugal blower, so that inner ring surface air draft of the centrifugal blower towards the evaporator;The air inlet of the centrifugal blower Direction and the return air inlet correspond to.
2. refrigerator refrigeration system according to claim 1, which is characterized in that the outer shroud of the air outlet and the evaporator Corresponding or described air outlet is corresponding with the position other than the outer shroud of the evaporator.
3. refrigerator refrigeration system according to claim 1 or 2, which is characterized in that be provided with guide duct at the air outlet.
4. refrigerator refrigeration system according to claim 1, which is characterized in that the evaporator includes dissipating for S-type distribution Heat pipe and the radiating fin being fixed on the heat-dissipating pipe.
5. refrigerator refrigeration system according to claim 4, which is characterized in that the evaporator is in annular shape, the heat dissipation Along the S-type distribution of radial direction of the evaporator, all radiating fins prolong pipe each along the radial direction of the evaporator It stretches.
6. refrigerator refrigeration system according to claim 1, which is characterized in that the air duct has the air duct face being clamped mutually Plate and air duct backboard form air duct inner cavity, the return air inlet and the outlet air between the air duct panel and the air duct backboard Mouth is arranged on the air duct panel, and the centrifugal blower and evaporator are each attached on the air duct backboard.
7. refrigerator refrigeration system according to claim 6, which is characterized in that the air duct backboard is after inner container of icebox Wall.
8. refrigerator refrigeration system according to claim 6, which is characterized in that the return air inlet is located at the air duct panel Middle part, the quantity of the air outlet is multiple, and the air outlet is distributed around the return air inlet.
9. a kind of refrigerator, which is characterized in that including the refrigerator refrigeration system described in any one in claim 1 to 8.
10. refrigerator according to claim 9, which is characterized in that the air duct is located at the close inner container of icebox of the refrigerator At the position of rear wall.
CN201610875062.6A 2016-09-30 2016-09-30 A kind of refrigerator refrigeration system and refrigerator Active CN106403456B (en)

Priority Applications (1)

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CN201610875062.6A CN106403456B (en) 2016-09-30 2016-09-30 A kind of refrigerator refrigeration system and refrigerator

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Application Number Priority Date Filing Date Title
CN201610875062.6A CN106403456B (en) 2016-09-30 2016-09-30 A kind of refrigerator refrigeration system and refrigerator

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CN106403456A CN106403456A (en) 2017-02-15
CN106403456B true CN106403456B (en) 2018-06-22

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WO2018058582A1 (en) * 2016-09-30 2018-04-05 合肥华凌股份有限公司 Refrigerator refrigeration system and refrigerator
CN107202465B (en) * 2017-04-24 2020-06-23 青岛海尔股份有限公司 Refrigerator with a door
CN108870831A (en) * 2017-05-09 2018-11-23 合肥华凌股份有限公司 Refrigerator and its single-system and single suction channel
CN108870830A (en) * 2017-05-09 2018-11-23 合肥华凌股份有限公司 Refrigerator and its single system double suction air duct
WO2018205383A1 (en) * 2017-05-09 2018-11-15 合肥华凌股份有限公司 Refrigerator and single-system air suction duct thereof
CN107388703A (en) * 2017-08-28 2017-11-24 合肥华凌股份有限公司 A kind of refrigeration system for refrigerator
CN108120209B (en) * 2017-11-28 2022-03-25 海尔智家股份有限公司 Air duct assembly and refrigerator with same
CN108036570B (en) * 2017-12-06 2020-02-04 合肥华凌股份有限公司 Refrigerator refrigerating system and refrigerator
CN109883111B (en) * 2019-03-22 2021-03-19 合肥华凌股份有限公司 Refrigeration device
CN111829210A (en) * 2020-08-13 2020-10-27 合肥美菱物联科技有限公司 Evaporator assembly for refrigerator

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