CN108278790A - A kind of refrigeration system and its refrigerator - Google Patents
A kind of refrigeration system and its refrigerator Download PDFInfo
- Publication number
- CN108278790A CN108278790A CN201810315815.7A CN201810315815A CN108278790A CN 108278790 A CN108278790 A CN 108278790A CN 201810315815 A CN201810315815 A CN 201810315815A CN 108278790 A CN108278790 A CN 108278790A
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- China
- Prior art keywords
- evaporator
- port
- solenoid valve
- refrigeration system
- capillary
- 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.)
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/04—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of refrigeration system and its refrigerators, are related to refrigerator field.The present invention includes compressor, condenser, filter, electromagnetic valve component, capillary module and evaporator assemblies;Evaporator assemblies include the first evaporator and the second evaporator;Capable of being exchanged into and out of port for first evaporator and the second evaporator, flows to reversely for refrigerant in the first evaporator and the second evaporator;Electromagnetic valve component includes the first solenoid valve and second solenoid valve;First solenoid valve and second solenoid valve are used to switch the conducting and closing of different flow paths;Two evaporators can be used as high temperature to be used with cryogenic vaporizer respectively.The present invention is newly designed by refrigeration system, ensure refrigeration system operational reliability higher, rely on conducting and the closing function of the type and electromagnetic valve component of the corresponding capillary of control variable temperature evaporator, and then switching of the realization to the different refrigeration effects of variable temperature evaporator, achieve the effect that full heterothermic refrigerator, meets a variety of demands of user to a greater extent.
Description
Technical field
The invention belongs to refrigerator fields, more particularly to a kind of refrigeration system and its refrigerator.
Background technology
As the improvement of people's living standards, the requirement of the volume and function to refrigerator is also higher and higher.First, to holding
For long-pending requirement, from the point of view of the refrigerator sales data result of recent years, the sales volume of big volume refrigerator is year by year substantially
It is promoted, illustrating big volume refrigerator just gradually becomes the standard configuration of most people family.Secondly, for the requirement of refrigerator functions, with
The abundant enough of substance, especially on New Year's Day or other festivals during, different parts of the world are to the variety classes of food, different stored manners
It is different, it is higher and higher with security requirement to food freshness.For example, during the New Year, use of the northern area to refrigerator
It is more the low temperature functional using refrigerator, refrigerator is generally household refrigerator-freezer, and actual refrigeration is respectively accounted for freezing low temperature functional
A part of volume of refrigerator, refrigerated volume generally higher than freeze volume, cannot be well adapted for the same warm area of refrigerator (such as full freezing
State) storage requirement.Based on this requirement, it is necessary to which design studies full heterothermic refrigerators meets the greater demand of user.
Currently, full heterothermic refrigerator type in the market is seldom, conventional refrigeration system be driven by a compressor, but
The wide cut alternating temperature demand of some compartment can only be realized, it can be achieved that the refrigerator volume that becomes temperature function entirely is smaller.Also there is part great Rong
The full heterothermic refrigerator of product, such as side by side combination refrigerator, the refrigeration system driven using double-compressor, each compression mechanism are made at one
SAPMAC method system realizes the requirement of two full alternating temperatures of compartment, and such refrigerant system design is relatively simple, but cost is higher, is working as
Preferable advantage is not occupied in preceding market competition.Meanwhile there are refrigerant migrations when the pure refrigeration system practical application in parallel of refrigerator
The problems such as problem can cause refrigerator complete machine refrigeration reliability low, poor performance.Based on the various reasons present on, need to develop
Study the full heterothermic refrigerator refrigeration system of reliability, it is ensured that user can afford, and rise, more reliable, allow full alternating temperature
Refrigerator just enters common people house really.
Invention content
The purpose of the present invention is to provide a kind of refrigeration system and its refrigerators, each by the first evaporator, the second evaporator
From can be exchanged into and out of port, refrigerant is flowed in the first evaporator, the second evaporator and be can be reversed, and utilizes electricity
Different flow paths are connected the switching with closing in magnet valve, and two evaporators are used respectively as high-temperature evaporator and cryogenic vaporizer, solution
Conventional refrigerator double round robin cold system refrigerant of having determined migrates the problem for leading to refrigeration system reliability difference.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention be a kind of refrigeration system, including compressor, condenser, filter, electromagnetic valve component, capillary module and
Evaporator assemblies, the evaporator assemblies include the first evaporator and the second evaporator;First evaporator into port and
Exit port can be exchanged mutually, be two-way circulated in the first evaporator for refrigerant;Second evaporator into port and going out
Port can mutually be exchanged, and two-way circulate in the second evaporator for refrigerant;The electromagnetic valve component includes the first solenoid valve
And second solenoid valve;First solenoid valve and second solenoid valve are used to switch the conducting and closing of different flow paths;The hair
Tubule component includes capillary 1, capillary 2 and capillary 3;First electromagnetic valve outlet 1 respectively with capillary 1 and the second evaporator
Port 2 is connected;First electromagnetic valve outlet 2 is connected with capillary 2, the first evaporator port 2 and the second evaporator port 1;
First electromagnetic valve outlet 3 is connected with capillary 3, the first evaporator port 1;The second solenoid valve import 1 and first is steamed
It sends out device port 1 to be connected, the second solenoid valve import 2 is connected with the second evaporator port 2;Second solenoid valve exports and compressor
Muffler is connected;The compressor exhaust pipe is sequentially connected with condenser, filter, the first solenoid valve.
Further, the second solenoid valve is Two In and One Out structure.
Further, the evaporator assemblies are high-temperature evaporator or cryogenic vaporizer;First evaporator is high temperature
When evaporator, the second evaporator are as cryogenic vaporizer, refrigerant is from the first evaporator port 1 into port 2 goes out, and is steamed from second
Device port 1 is sent out into port 2 goes out;Conversely, first evaporator is as cryogenic vaporizer, the second evaporator is as high temperature evaporation
When device, the flow direction that refrigerant flows through two evaporators is reversed.
Further, when first evaporator and the second evaporator are used as high-temperature evaporator, refrigerant is simultaneously from the
One evaporator port 2 and the second evaporator port 1 enter, and second solenoid valve two entrances are opened simultaneously.
Further, ranging from -30~10 DEG C of the full warm area of the high-temperature evaporator and cryogenic vaporizer.
Further, the disengaging bore of the second solenoid valve is 4~6mm.
The present invention is a kind of refrigerator, and refrigerator has the above-mentioned refrigeration system and functional requirement.
The invention has the advantages that:
(1) a kind of refrigeration system provided by the invention and its refrigerator are newly designed by refrigeration system, it can be ensured that refrigeration system
System operational reliability higher;
(2) a kind of refrigeration system provided by the invention and its refrigerator pass through system and control refrigerant in evaporator assemblies
Flow direction, electromagnetic valve component to different flow paths be connected with close switching, refrigeration+refrigeration may be implemented in two compartments of refrigerator, cold
Tibetan+freezing, the function of the full alternating temperature of whole compartments of freezing+refrigeration and freezing+freezing state;
(3) ice may be implemented using the refrigerator of such refrigeration system in a kind of refrigeration system provided by the invention and its refrigerator
The volume in a certain temperature function area of case meets a variety of demands of user to a greater extent using requirement is maximized.
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.
Description of the drawings
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 a kind of structural schematic diagram of refrigeration system of the present invention;
Fig. 2 is motor-driven valve structural schematic diagram;
Fig. 3 is a certain refrigerator structure schematic diagram of the present invention;
In attached drawing, parts list represented by the reference numerals are as follows:
1- compressors, 2- freezing machines, 3- filters, the first solenoid valves of 4-, 5- capillaries 1,6- capillaries 2,7- capillaries
3,8- first evaporators, the second evaporators of 9-, 10- second solenoid valves, 11- valve bodies, 12- inlet tubes 1,13- inlet tubes 2,14- goes out
Mouth is managed, 15- refrigerator bodies, the upper compartments of 16-, compartment under 17-.
Specific implementation mode
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 describes, 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, those of ordinary skill in the art are obtained all other without creative efforts
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 " trepanning ", "upper", "lower", " thickness ", "top", " in ",
Indicating positions or the position 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 instruction or hint meaning or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as limitation of the present invention.
Refering to Figure 1, the present invention is a kind of refrigeration system and its refrigerator, including compressor 1, condenser 2, filter
3, electromagnetic valve component, capillary module and evaporator assemblies;Evaporator assemblies include the first evaporator 8 and the second evaporator 9;Institute
Capable of mutually being exchanged into port and exit port for the first evaporator 8 is stated, is two-way circulated in the first evaporator 8 for refrigerant;Institute
Capable of mutually being exchanged into port and exit port for the second evaporator 9 is stated, is two-way circulated in the second evaporator 9 for refrigerant;Electricity
Electromagnetic valve component includes the first solenoid valve 4 and second solenoid valve 10;It is different that first solenoid valve 4 and second solenoid valve 10 are used to switching
The conducting and closing of flow path;Capillary module includes capillary 1 (5), capillary 2 (6) and capillary 3 (7);First solenoid valve 4
Outlet 1 is connected with capillary 1 (5) and 9 port 2 of the second evaporator respectively;First solenoid valve 4 outlet 2 and capillary 2 (6), first
8 port 2 of evaporator is connected with 9 port 1 of the second evaporator;First solenoid valve 4 outlet 3 and capillary 3 (7), 8 end of the first evaporator
Mouth 1 is connected;10 import 1 of second solenoid valve is connected with 8 port 1 of the first evaporator, 10 import 2 of second solenoid valve and the second evaporator
9 ports 2 are connected;The outlet of second solenoid valve 10 is connected with 1 muffler of compressor;1 exhaust pipe of compressor and condenser 2, filter
3, the first solenoid valve 4 is sequentially connected with.
It please refers to shown in Fig. 2, present embodiment discloses the triple valves that a kind of refrigeration system is gone out with two into one, and the valve is by valve body
11, inlet tube 1 (12), inlet tube 2 (13) and outlet 14 etc. form.In actual application process, refrigerant is from inlet tube 1
(12) enter, flowed out from outlet 14, and inlet tube 2 (13) is closed.Refrigerant enters from inlet tube 2 (13), from
Outlet 14 flows out, and inlet tube 1 (12) is closed.To ensure that refrigerant can effectively flow in entire refrigeration system
Dynamic, the disengaging bore of second solenoid valve 10 is 4~6mm.
Wherein, second solenoid valve 10 is Two In and One Out structure.
Wherein, evaporator assemblies are high-temperature evaporator or cryogenic vaporizer;First evaporator 8 is high-temperature evaporator, second
When evaporator 9 is as cryogenic vaporizer, refrigerant is from 8 port 1 of the first evaporator into port 2 goes out, from 9 port 1 of the second evaporator
Into port 2 goes out;Conversely, it is cryogenic vaporizer that the first evaporator, which makees 8, and when the second evaporator 9 is as high-temperature evaporator, refrigerant
The flow direction for flowing through two evaporators is reversed.
Wherein, when the first evaporator 8 and the second evaporator 9 are used as high-temperature evaporator, refrigerant is simultaneously from the first evaporation
8 port 2 of device and 9 port 1 of the second evaporator enter, and 10 two entrances of second solenoid valve are opened simultaneously.
Wherein, ranging from -30~10 DEG C of the full warm area of high-temperature evaporator and cryogenic vaporizer.
It please refers to shown in Fig. 3, refrigerator is a four-door refrigerator, and refrigerator body 15 is vertically arranged with compartment 16 and lower compartment
17;Upper compartment 16 is internally provided with the first evaporator 8;Lower compartment 17 is internally provided with the second evaporator 9;Upper compartment 16 and it is lower between
Room 17 is independent sealed.
One of the present embodiment has particular application as:
When compartment realizes that different warm areas combine with lower compartment on the refrigerator using this system, refrigeration system operational process
Also corresponding different, it is specific as follows:
The evaporator (the first evaporator 8) of compartment is high-temperature evaporator, evaporator (the second evaporator of lower compartment on refrigerator
9) when being required for cryogenic vaporizer, refrigeration system flow:
Go out from the port 3 of the first solenoid valve 4, is connected with capillary 3 (7) import, capillary 3 (7) outlet and the first evaporation
8 port 1 of device is connected, and 8 port 2 of the first evaporator is connected with 9 port 1 of the second evaporator, 9 port 2 of the second evaporator and the second electricity
The inlet tube 2 (13) of magnet valve 10 is connected, and the outlet 14 of second solenoid valve 10 is connected with compressor return air pipe, compressor exhaust pipe
It is sequentially connected with condenser, filter and 4 inlet tube of the first solenoid valve, constitutes a complete cooling cycle system.
The evaporator (the first evaporator 8) of compartment is cryogenic vaporizer, evaporator (the second evaporator of lower compartment on refrigerator
9) when being required for high-temperature evaporator, refrigeration system flow:
Go out from the port 1 of the first solenoid valve 4, is connected with capillary 1 (5) import, capillary 1 (5) outlet and the second evaporation
9 port 2 of device is connected, and 9 port 1 of the second evaporator is connected with 8 port 2 of the first evaporator, 8 port 1 of the first evaporator and the second electricity
The inlet tube 1 (12) of magnet valve 10 is connected, and the outlet 14 of second solenoid valve 10 is connected with compressor return air pipe, compressor exhaust pipe
It is sequentially connected with condenser, filter and 4 inlet tube of the first solenoid valve, constitutes a complete cooling cycle system.
When the evaporator (the first evaporator 8) of compartment is high-temperature evaporator on refrigerator, refrigeration system flow:
Go out from the port 2 of the first solenoid valve 4, is connected with capillary 2 (6) import, capillary 2 (6) outlet and the first evaporation
8 port 2 of device is connected, and 8 port 1 of the first evaporator connects the inlet tube 1 (12) of second solenoid valve 10, the outlet of second solenoid valve 10
Pipe 14 is connected with compressor return air pipe, and compressor exhaust pipe sequentially connects with condenser, filter and 4 inlet tube of the first solenoid valve
It connects, constitutes a complete cooling cycle system.
When the evaporator (the second evaporator 9) of compartment is high-temperature evaporator under refrigerator, refrigeration system flow:
Go out from the port 2 of the first solenoid valve 4, is connected with capillary 2 (6) import, capillary 2 (6) outlet and the second evaporation
9 port 1 of device is connected, and 9 port 2 of the second evaporator connects the inlet tube 2 (13) of second solenoid valve 10, the outlet of second solenoid valve 10
Pipe 14 is connected with compressor return air pipe, and compressor exhaust pipe sequentially connects with condenser, filter and 4 inlet tube of the first solenoid valve
It connects, constitutes a complete cooling cycle system.
It is high-temperature evaporator, the evaporator (the of lower compartment by the evaporator (the first evaporator 8) of compartment on above-mentioned refrigerator
Two evaporators 9) it is that cryogenic vaporizer requires with the evaporator (the first evaporator 8) of compartment on refrigerator be cryogenic vaporizer, between time
The evaporator (the second evaporator 9) of room is that high-temperature evaporator requires to carry out control switchover operation, realizes the first evaporator 8 and second
Evaporator 9 is used as cryogenic vaporizer application function.
When refrigerant enters from 8 port 2 of the first evaporator and 9 port 1 of the second evaporator simultaneously, second solenoid valve two enters
Mouth is opened simultaneously may be implemented the first evaporator 8 and the second evaporator 9 as high-temperature evaporator application function.
Ranging from -30~10 DEG C of the full warm area of high and low temperature evaporator really realizes the function of a full alternating temperature of refrigerator, full
The numerous food storage requirements of sufficient different user, the maximum volume profit under the conditions of allowing a refrigerator to give full play of same warm area
Use function.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
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 preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of refrigeration system, including compressor (1), condenser (2), filter (3), electromagnetic valve component, capillary module and
Evaporator assemblies, it is characterised in that:
The evaporator assemblies include the first evaporator (8) and the second evaporator (9);First evaporator (8) into port
It can mutually exchange with exit port, two-way circulate in the first evaporator (8) for refrigerant;Second evaporator (9) into
Port and exit port can be exchanged mutually, be two-way circulated in the second evaporator (9) for refrigerant;
The electromagnetic valve component includes the first solenoid valve (4) and second solenoid valve (10);First solenoid valve (4) and the second electricity
Magnet valve (10) is used to switch the conducting and closing of different flow paths;
The capillary module includes capillary 1 (5), capillary 2 (6) and capillary 3 (7);First solenoid valve (4) exports 1 point
It is not connected with capillary 1 (5) and the second evaporator (9) port 2;First solenoid valve (4) outlet 2 and capillary 2 (6), the
One evaporator (8) port 2 is connected with the second evaporator (9) port 1;First solenoid valve (4) outlet 3 and capillary 3 (7),
First evaporator (8) port 1 is connected;Second solenoid valve (10) import 1 is connected with the first evaporator (8) port 1, and described
Two solenoid valves (10) import 2 is connected with the second evaporator (9) port 2;Second solenoid valve (10) exports and compressor (1) muffler
It is connected;
Compressor (1) exhaust pipe is sequentially connected with condenser (2), filter (3), the first solenoid valve (4).
2. a kind of refrigeration system according to claim 1, which is characterized in that the second solenoid valve (10) is Two In and One Out
Structure.
3. a kind of refrigeration system according to claim 1, which is characterized in that the evaporator assemblies be high-temperature evaporator or
Cryogenic vaporizer;When first evaporator (8) is high-temperature evaporator, the second evaporator (9) is used as cryogenic vaporizer, refrigerant
From the first evaporator (8) port 1 into port 2 goes out, from the second evaporator (9) port 1 into port 2 goes out;Conversely, described first steams
It is cryogenic vaporizer to send out device to make (8), and when the second evaporator (9) is used as high-temperature evaporator, refrigerant flows through the stream of two evaporators
To reversed.
4. a kind of refrigeration system according to claim 3, which is characterized in that first evaporator (8) and the second evaporation
When device (9) is used as high-temperature evaporator, refrigerant simultaneously from the first evaporator (8) port 2 and the second evaporator (9) port 1 into
Enter, second solenoid valve (10) two entrances are opened simultaneously.
5. a kind of refrigeration system according to claim 3, which is characterized in that the high-temperature evaporator and cryogenic vaporizer
Complete ranging from -30~10 DEG C of warm area.
6. a kind of refrigeration system according to claim 1, which is characterized in that in the inlet/outlet pipe of the second solenoid valve (10)
Diameter is 4~6mm.
7. a kind of refrigerator, which is characterized in that the refrigerator has above-mentioned claim 1-6 any one claim institute
The refrigeration system stated and functional requirement.
Priority Applications (1)
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CN201810315815.7A CN108278790B (en) | 2018-04-10 | 2018-04-10 | Refrigerating system and refrigerator thereof |
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CN201810315815.7A CN108278790B (en) | 2018-04-10 | 2018-04-10 | Refrigerating system and refrigerator thereof |
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CN108278790A true CN108278790A (en) | 2018-07-13 |
CN108278790B CN108278790B (en) | 2020-05-05 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110260588A (en) * | 2019-06-13 | 2019-09-20 | 合肥美的电冰箱有限公司 | Scaling method, system and the refrigeration equipment of refrigerator |
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CN102221275A (en) * | 2011-05-17 | 2011-10-19 | 合肥美的荣事达电冰箱有限公司 | Ice making device of refrigerator and refrigerator provided with same |
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CN1589385A (en) * | 2001-09-19 | 2005-03-02 | 株式会社东芝 | Refrigerator-freezer, controller of refrigerator-freezer, and method for determination of leakage of refrigerant |
JP2004012127A (en) * | 2003-10-02 | 2004-01-15 | Mitsubishi Electric Corp | Refrigerator using inflammable refrigerant |
CN101319826A (en) * | 2004-09-22 | 2008-12-10 | 株式会社电装 | Ejector type refrigeration cycle |
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Address after: 230000 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Applicant after: Changhong MeiLing Limited by Share Ltd Address before: 230000 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Applicant before: Hefei Meiling Co., Ltd. |
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GR01 | Patent grant |