CN109556342A - A kind of combined refrigerator and combinations thereof controlling method for refrigerator - Google Patents

A kind of combined refrigerator and combinations thereof controlling method for refrigerator Download PDF

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Publication number
CN109556342A
CN109556342A CN201811409915.2A CN201811409915A CN109556342A CN 109556342 A CN109556342 A CN 109556342A CN 201811409915 A CN201811409915 A CN 201811409915A CN 109556342 A CN109556342 A CN 109556342A
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China
Prior art keywords
refrigerator
module
air duct
refrigeration
modular
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Granted
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CN201811409915.2A
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Chinese (zh)
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CN109556342B (en
Inventor
刘全义
陈开松
魏邦福
尚殿波
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Changhong Meiling Co Ltd
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Changhong Meiling Co Ltd
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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
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • F25D17/065Arrangements 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
    • 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
    • F25D23/00General constructional features
    • F25D23/06Walls
    • F25D23/062Walls defining a cabinet
    • 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
    • F25D29/00Arrangement or mounting of control or safety devices

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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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention discloses a kind of combined refrigerator and combinations thereof controlling method for refrigerator, belong to refrigerator design field.The present invention includes refrigerator design field.Combined refrigerator of the present invention includes at least one Modular refrigerator, Modular refrigerator includes refrigeration module, top cover and functional module, refrigeration module includes the refrigerant circulation being made of compressor, anti-condensation pipes, condenser, evaporator, by the way that the air duct between functional module and refrigeration module is penetrated through, and fan is installed in air duct, increase refrigerator wind circulation.The present invention can be used alone by each refrigeration module, one or more columns per page use can also be spliced by Detachable connection structure, meet different user diversification selection collocation demand, simultaneously, each refrigeration module and functional module are all made of standard modular design, reduce fridge manufacturer's mold investment and producing cost, improve production efficiency.

Description

A kind of combined refrigerator and combinations thereof controlling method for refrigerator
Technical field
The invention belongs to refrigerator design fields, more particularly to a kind of combined refrigerator and combinations thereof refrigerator controlling party Method.
Background technique
Mesh the level of consumption promoted, user increasingly shows refrigerator individual demand, although providing in the market all kinds of Style, function refrigerator, but still it is not able to satisfy users ' individualized requirement.Modular refrigerator, which can be good at meeting user, freely to be taken With requirements of combination, increasingly become the development trend of field of household appliances.
There are mainly two types of Modular refrigerator implementations, and a kind of mode is that the refrigeration module of Modular refrigerator is set as independent Module is simultaneously placed on Modular refrigerator bottom, realizes that all compartments freeze by circulating cold air channel and airdoor control, which One notable defect is that condenser and evaporator are put together, and mutual heat exchange amount increases, and evaporator loss of refrigeration capacity is big;It is another Kind mode is evaporator setting lower interior, realizes that other compartments freeze by circulating cold air channel and airdoor control.Two kinds All compartments of mode Modular refrigerator are realized by connecting method and are freely combined.
Multi-functional as refrigerator develops, big volume wind cooling refrigerator occupies mainstream market, existing module refrigerator technical level Based on a refrigeration module, by being expanded into multi-chamber's refrigerator upwards, have following defects that by refrigerator height limitation, Increasing Modular refrigerator volume must be from refrigerator width, and Modular refrigerator width is bigger than normal, necessarily to production, transport, spelling Connect, repair etc. brings many difficulties, therefore Modular refrigerator restricted volume;Producer is to meet user's diversification need It asks, necessarily produces plurality of specifications Modular refrigerator, manufacturing cost is high, compressed mechanism cooling influence, single refrigeration module It is limited to provide refrigerating capacity, necessarily will limit the volume or each compartment warm area of Modular refrigerator.In conclusion existing module refrigerator Technology has limitation, cannot fully meet users ' individualized requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of combined refrigerator and combinations thereof controlling method for refrigerator, pass through each refrigeration module It can be used alone, one or more columns per page use can also be spliced by Detachable connection structure, meet different user diversification Select collocation demand.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of combined refrigerator, it includes being made of laterally side by side at least one Modular refrigerator, the module Changing refrigerator includes refrigeration module, top cover and functional module, and the refrigeration module includes by compressor, anti-condensation pipes, condenser, evaporation The refrigerant circulation of device composition, the cabinet of the refrigeration module is interior to be equipped with one second air duct, is equipped with first in second air duct Electric flap, the evaporator are installed in refrigeration module case between rear wall and the second air duct, and the evaporator upper end is equipped with First fan and the second fan, wherein second fan is mounted on the second air duct, and back is sent out in first fan and case Alveolar layer or the second air duct are connected and fixed, and one first air duct is additionally provided in the refrigeration module, and first air duct is sent including first Wind air duct and the first return airway, the first supply air duct are located at the top of evaporator, and the first return airway is located at the bottom of evaporator Portion is additionally provided with first return air inlet to connect with compartment where evaporator in the case of the refrigeration module;The functional module Foaming layer in be equipped with third air duct, the third air duct includes third supply air duct and third return airway, wherein described the Three supply air ducts and the first supply air duct connection, third return airway and the first return airway connection, the case of the functional module It is inside additionally provided with the 4th air duct, the air duct bottom in the 4th air duct is equipped with one second electric flap and a compensation fan, the third Supply air duct and the 4th air duct connection, are equipped with one second return air inlet in the case of the functional module, the second return air inlet connection the One compensating heater, the functional module inner lining surface are installed in three return airways and the case of functional module, and at return air inlet It is surrounded by temperature-compensating heating tube;Adjacent two functional module or a functional module and a refrigeration in one Modular refrigerator Be connected between module by a connection structure, between adjacent two Modular refrigerator two functional modules or two refrigeration modules also or It is connected between one refrigeration module and a functional module by connection structure.
Further, between a Modular refrigerator adjacent two functional module or a functional module and a refrigeration module it Between be equipped with a sealing structure.
Further, the Modular refrigerator includes main module refrigerator and auxiliary Modular refrigerator, the main module ice Case is equipped with a power interface and a master controller, and several auxiliary Modular refrigerators and a main module refrigerator are electrically connected, Electric interfaces are equipped on functional module and refrigeration module.
Further, in the same Modular refrigerator refrigeration module and several functional modules width dimensions and depthometer It is very little identical.
A kind of combined refrigerator control method, includes the following steps:
Step 2, if temperature sensor detection temperature is greater than actual temperature in case, compressor starts work, corresponding module Refrigeration is realized, when real time temperature reaches preset temperature, stopping refrigeration;
Step 3, in a Modular refrigerator when refrigeration module separate refrigeration, the operation of the second fan;Functional module separate refrigeration When, the operation of the first fan;When refrigeration module and functional module are freezed simultaneously, the first fan and the second fan are transported while being run;
Step 4, further, in the Modular refrigerator process of refrigerastion, master control borad detects other of the combined refrigerator Modular refrigerator working condition, if when only one Modular refrigerator separate refrigeration, Modular refrigerator compressor rotary speed and wind Machine revolving speed is executed according to preset value;If freeze simultaneously there are two Modular refrigerator, the Modular refrigerator of refrigeration is corresponding simultaneously Compressor rotary speed and rotation speed of fan reduce by one grade of execution respectively;If freeze simultaneously there are three Modular refrigerator, freeze simultaneously Modular refrigerator correspond to compressor rotary speed and rotation speed of fan respectively and reduce by two grades of execution.
The invention has the following advantages:
Combined refrigerator offer volume range of choice of the present invention is wide, by refrigeration module and functional module various combination, substantially User can be met to refrigerator volume demand, all functional modules refrigeration can according to demand freely by air door independent control, user Switch refrigeration, freezing function, connected between all modules by detachable structure, transport and maintenance etc. are easier, in addition use When family in use changes to refrigerator volume or functional requirement, as long as swap modules, no replacement is required or again Buy refrigerator.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is combined refrigerator structural schematic diagram of the present invention;
Fig. 2 is Modular refrigerator structural schematic diagram of the present invention;
Fig. 3 is schematic structural diagram of refrigeration module of the present invention;
Fig. 4 is refrigeration module schematic cross-sectional view of the present invention;
Fig. 5 is refrigeration module air duct of the present invention schematic diagram of internal structure;
Fig. 6 is refrigeration module schematic rear view of the present invention;
Fig. 7 is functional module structure schematic diagram of the present invention;
Fig. 8 is functional module wind inlet channel structural schematic diagram of the present invention;
Fig. 9 is functional module return airway structural schematic diagram of the present invention;
Figure 10 is the positional structure schematic diagram that fan is compensated in functional module of the present invention;
In attached drawing, parts list represented by the reference numerals are as follows:
1- Modular refrigerator, 2- refrigeration module, 3- functional module, 4- top cover, 5- connection structure, 101- main module ice Case, the auxiliary Modular refrigerator of 102-, 103- power interface, 104- electric interfaces, 201- anti-condensation pipes, the first supply air duct of 202-, The first return airway of 203-, the first return air inlet of 204-, 205- evaporator, the first fan of 206-, the first air duct 207-, 208- second Fan, the first electric flap of 209-, the second air duct 210-, 211- compressor, 212- condenser, 301- third supply air duct, 302- third return airway, 303- third air duct, 304- compensate fan, the 4th air duct 305-, the second electric flap of 306-, 307- Compensating heater, the second return air inlet of 308-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " aperture ", "upper", "lower", " thickness ", "top", " in ", Indicating positions or the positional relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without It is that the component of indication or suggestion meaning or element must have a particular orientation, is constructed and operated in a specific orientation, therefore not It can be interpreted as limitation of the present invention.
It please refers to shown in Fig. 1-10, the present invention is a kind of combined refrigerator, it includes by least one Modular refrigerator 1, mould Block refrigerator 1 includes refrigeration module 2, top cover 4 and functional module 3, wherein can not have functional module 3 in a Modular refrigerator 1;
Refrigeration module 2 is identical as the width dimensions of several functional modules 3 and depth dimensions in same Modular refrigerator 1, high Degree can be different.
It is specific as shown in Figs. 1-2, wherein Modular refrigerator 1 includes main module refrigerator 101 and auxiliary Modular refrigerator Main module refrigerator 101 is located among two auxiliary Modular refrigerators 102 in 102, Fig. 1, and main module refrigerator 101 is equipped with a power supply Interface 103 and a master controller, several auxiliary Modular refrigerators 102 and a main module refrigerator 101 are electrically connected, functional module 3 With electric interfaces 104 are equipped on refrigeration module 2, corresponding main module refrigerator 101 and auxiliary Modular refrigerator 102 can be equipped with Multiple, main module refrigerator 101 can also be connect with another main module refrigerator 101.
If Fig. 3-8 refrigeration module 2 includes the system being made of compressor 211, anti-condensation pipes 201, condenser 212, evaporator 205 Refrigerant cycle, the cabinet of refrigeration module 2 is interior to be equipped with one second air duct 210, is equipped with the first electric flap 209 in the second air duct 210, Evaporator 205 is installed in refrigeration module 2 casees between rear wall and the second air duct 210, and 205 upper end of evaporator is equipped with the first fan 206 and second fan 208, wherein the second fan 208 is mounted on the second air duct 210, and the first fan 206 is sent out with back in case Alveolar layer or the second air duct 210 are connected and fixed, and one first air duct 207 is additionally provided in refrigeration module 2, and the first air duct 207 includes first Supply air duct 202 and the first return airway 203, the first supply air duct 202 are located at the top of evaporator 205, the first return airway 203 are located at the bottom of evaporator 205, be additionally provided in the case of refrigeration module 2 one connect with 205 place compartment of evaporator first Return air inlet 204.
It is equipped with third air duct 303 in the foaming layer of functional module 3, third air duct 303 includes third supply air duct 301 and the Three return airways 302, wherein 202 connection of third supply air duct 301 and the first supply air duct, third return airway 302 and first 203 connection of return airway is additionally provided with the 4th air duct 305 in the case of functional module 3, and the air duct bottom in the 4th air duct 305 is equipped with One second electric flap 306 and a compensation fan 304,305 connection of third supply air duct 301 and the 4th air duct, functional module 3 It is equipped with one second return air inlet 308 in case, in the case of the 308 connection third return airway 303 of the second return air inlet and functional module 3, And second is equipped with a compensating heater 307 at return air inlet 308,3 inner lining surface of functional module is surrounded by temperature-compensating Heating tube.
Pass through one in one Modular refrigerator 1 between adjacent two functional module 3 or a functional module 3 and a refrigeration module 2 Connection structure 5 is connected, and two functional modules 3 or two refrigeration modules 2 are also or a refrigeration module between adjacent two Modular refrigerator 1 It is connected between 2 and a functional module 3 by connection structure 5, wherein connection structure 5 is aspiration disk.
Wherein, it is set between adjacent two functional module 3 or a functional module 3 and a refrigeration module 2 between a Modular refrigerator 1 There is a sealing structure.
A kind of combined refrigerator control method, includes the following steps:
Step 1 detects Indoor Temperature between each refrigeration module 2 of the combined refrigerator and functional module 3 by temperature sensor Degree;
Step 2, if temperature sensor detection temperature is greater than actual temperature in case, compressor 211 is started to work, accordingly Module realizes refrigeration, when real time temperature reaches preset temperature, stopping refrigeration;
Step 3, in a Modular refrigerator 1 when 2 separate refrigeration of refrigeration module, the operation of the second fan 208;Functional module 3 is single Solely when refrigeration, the operation of the first fan 206;When refrigeration module 2 and functional module 3 are freezed simultaneously, the first fan 206 and the second fan 208 transport while running;
Step 4, further, in 1 process of refrigerastion of Modular refrigerator, master control borad detects its of the combined refrigerator His 1 working condition of Modular refrigerator, if when only one described 1 separate refrigeration of Modular refrigerator, the modular ice 1 compressor rotary speed of case and rotation speed of fan are executed according to preset value;If freeze simultaneously there are two the Modular refrigerator 1, together When the corresponding compressor rotary speed of the Modular refrigerator 1 that freezes and rotation speed of fan reduce by one grade of execution respectively;If there are three described When Modular refrigerator (1) freezes simultaneously, then the corresponding compressor rotary speed of the Modular refrigerator 1 of refrigeration and rotation speed of fan divide simultaneously It Jiang Di not by two grades of execution.In the description of this specification, reference term " one embodiment ", " example ", " specific example " etc. Description mean particular features, structures, materials, or characteristics described in conjunction with this embodiment or example be contained in it is of the invention at least In one embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical implementation Example or example.Moreover, particular features, structures, materials, or characteristics described can in any one or more embodiments or It can be combined in any suitable manner in example.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only It is limited by claims and its full scope and equivalent.

Claims (5)

1. a kind of combined refrigerator, it includes being made of laterally side by side at least one Modular refrigerator (1), the Modular refrigerator It (1) include refrigeration module (2), top cover (4) and functional module (3), the refrigeration module (2) includes by compressor (211), anti-condensation The refrigerant circulation that pipe (201), condenser (212), evaporator (205) form, it is characterised in that: the refrigeration module (2) It is equipped with one second air duct (210) in cabinet, is equipped with the first electric flap (209) in second air duct (210), the evaporator (205) it is installed in refrigeration module (2) case between rear wall and the second air duct (210), evaporator (205) upper end is equipped with the One fan (206) and the second fan (208), wherein second fan (208) is mounted on the second air duct (210), and described One fan (206) is connected and fixed with back foaming layer in case or the second air duct (210), is additionally provided with one in the refrigeration module (2) First air duct (207), first air duct (207) include the first supply air duct (202) and the first return airway (203), first Supply air duct (202) is located at the top of evaporator (205), and the first return airway (203) is located at the bottom of evaporator (205), institute It states and is additionally provided with first return air inlet (204) to connect with compartment where evaporator (205) in the case of refrigeration module (2).
Third air duct (303) are equipped in the foaming layer of the functional module (3), the third air duct (303) includes third air-supply Air duct (301) and third return airway (302), wherein the third supply air duct (301) and the first supply air duct (202) join Lead to, third return airway (302) and the first return airway (203) connection, is additionally provided with the 4th wind in the case of the functional module (4) Road (305), the air duct bottom in the 4th air duct (305) are equipped with one second electric flap (306) and compensation fan (304), institute Third supply air duct (301) and the 4th air duct (305) connection are stated, is equipped with one second return air inlet in the case of the functional module (3) (308), in the case of the second return air inlet (308) connection third return airway (303) and functional module (3), and return air inlet (204) it is equipped at a compensating heater (307), functional module (3) inner lining surface is surrounded by temperature-compensating heating tube.
Pass through one between adjacent two functional module (3) of the Modular refrigerator (1) or functional module (3) and refrigeration module (2) Connection structure (5) is connected, and two functional modules (3) or two refrigeration modules (2) are also or one between adjacent two Modular refrigerator (1) It is connected between refrigeration module (2) and a functional module (3) by connection structure (5).
2. a kind of combined refrigerator according to claim 1, which is characterized in that adjacent two between the Modular refrigerator (1) A sealing structure is equipped between functional module (3) or a functional module (3) and a refrigeration module (2).
3. a kind of combined refrigerator according to claim 1, which is characterized in that the Modular refrigerator (1) includes main module Change refrigerator (101) and auxiliary Modular refrigerator (102), the main module refrigerator (101) is equipped with a power interface (103) and one Master controller, several auxiliary Modular refrigerators (102) and a main module refrigerator (101) are electrically connected, functional module (3) and Electric interfaces (104) are equipped on refrigeration module (2).
4. a kind of combined refrigerator according to claim 1, which is characterized in that several in the same Modular refrigerator (1) The width dimensions of functional module (3) are identical with depth dimensions.
5. a kind of any one combined refrigerator control method of claim 1-4, which comprises the steps of:
Step 1 detects Indoor Temperature between each refrigeration module of the combined refrigerator (2) and functional module (3) by temperature sensor Degree;
Step 2, if temperature sensor detection temperature is greater than actual temperature in case, compressor (211) is started to work, respective mode Block realizes refrigeration, when real time temperature reaches preset temperature, stopping refrigeration;
Step 3, in a Modular refrigerator (1) when refrigeration module (2) separate refrigeration, the second fan (208) operation;Functional module (3) when separate refrigeration, the first fan (206) operation;When refrigeration module (2) and functional module (3) are freezed simultaneously, the first fan (206) it transports while running with the second fan (208);
Step 4, further, in Modular refrigerator (1) process of refrigerastion, master control borad detects other of the combined refrigerator Modular refrigerator (1) working condition, if when only one described Modular refrigerator (1) separate refrigeration, the modularization Refrigerator (1) compressor rotary speed and rotation speed of fan are executed according to preset value;If freezing simultaneously there are two the Modular refrigerator (1) When, then the corresponding compressor rotary speed of the Modular refrigerator (1) of refrigeration and rotation speed of fan reduce by one grade of execution respectively simultaneously;If having When three Modular refrigerators (1) are freezed simultaneously, then simultaneously the corresponding compressor rotary speed of the Modular refrigerator (1) of refrigeration and Rotation speed of fan reduces by two grades of execution respectively.
CN201811409915.2A 2018-11-23 2018-11-23 Combined refrigerator and control method thereof Active CN109556342B (en)

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Cited By (6)

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CN110186235A (en) * 2019-06-26 2019-08-30 长虹美菱股份有限公司 A kind of Modular refrigerator
CN110411113A (en) * 2019-08-28 2019-11-05 长虹美菱股份有限公司 A kind of detachable refrigerator
CN110579047A (en) * 2019-09-24 2019-12-17 长虹美菱股份有限公司 secondary refrigerant refrigerating system and modular refrigerator
CN110579061A (en) * 2019-09-26 2019-12-17 长虹美菱股份有限公司 anti-condensation combined refrigerator and control method thereof
CN114877615A (en) * 2022-06-13 2022-08-09 李严 Air-cooled frostless modular combined intelligent refrigerator
CN115164510A (en) * 2022-08-01 2022-10-11 长虹美菱股份有限公司 Combined refrigerator control method and refrigerator thereof

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