CN105402979B - A kind of new refrigerator refrigeration system of non-azeotropic mixed working medium fractional condensation circulation - Google Patents
A kind of new refrigerator refrigeration system of non-azeotropic mixed working medium fractional condensation circulation Download PDFInfo
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- CN105402979B CN105402979B CN201510929109.8A CN201510929109A CN105402979B CN 105402979 B CN105402979 B CN 105402979B CN 201510929109 A CN201510929109 A CN 201510929109A CN 105402979 B CN105402979 B CN 105402979B
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- refrigerant
- evaporator
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- gas
- liquid separator
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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
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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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- 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)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
A kind of new refrigerator refrigeration system of non-azeotropic mixed working medium fractional condensation circulation, electronic regulated valve and the first condenser parallel connection, one end of parallel pipeline are connected with compressor outlet, and the other end is connected with gas-liquid separator import；The outlet of the gas-liquid separator is divided into two-way, is connected all the way after the first regenerator, refrigeration capillary, refrigeration evaporator with the air intake duct of compressor；Another way is connected after the second condenser, the second regenerator, freezing capillary, refrigerating evaporator with compressor suction duct；The system is using mixed non-azeotropic refrigerant；The electronic regulated valve can adjust aperture, and so as to adjust the mass dryness fraction of gas-liquid separator entrance refrigerant, distribution is finally allocated regulation into refrigeration evaporator and the refrigerant amount of refrigerating evaporator to the refrigerating capacity of refrigeration evaporator and refrigerating evaporator.
Description
Technical field
The invention belongs to refrigeration technology field, and in particular to a kind of new refrigerator system of non-azeotropic mixed working medium fractional condensation circulation
Cooling system.
Background technology
Improved constantly with the living standard of people, refrigerator has had been enter into huge numbers of families, it is indispensable to turn into Modern Family
Household electrical appliance.Freezer evaporator, the refrigerator evaporator of conventional refrigerator are used in series, generally according to the temperature of refrigerating chamber
Degree control compressor start-stop, this structure can cause the temperature control inaccuracy of refrigerating chamber, and the thermodynamics of refrigerator evaporator is not
Reversible loss is big, and can not carry out cold distribution to refrigerating chamber, refrigerating chamber, for example under season in spring and autumn or certain situation, needs
The food to be refrigerated is more, and now refrigerating chamber load is larger needs more refrigerating capacitys；And under summer or certain situation, it is necessary to
When the food of freezing is more, refrigerating chamber load is larger, and refrigerating chamber needs more refrigerating capacitys.Common solution method has refrigeration
Room, refrigerating chamber use two sets of independent kind of refrigeration cycle, but this can cause production cost excessive.For bypassing Two-way Cycle refrigerator, its
Evaporating temperature is determined that purpose of design is desirable to refrigerating chamber and reaches synchronous operation, refrigerating chamber evaporation with refrigerating chamber by freezer temperature
The evaporating temperature of device most of the time is identical with freezing chamber evaporator temperature, can cause the heating power of refrigerating chamber evaporation refrigerator evaporator
It is bigger than normal to learn irreversible loss, and the start and stop of compressor are controlled by refrigerating chamber and refrigerating chamber simultaneously, control strategy is complicated, easily causes
The frequent starting of compressor, increase power consumption.And when using refrigeration, refrigerating evaporator parallel connection binary cycle system, evaporator is in parallel
Structure is difficult to while provides cold to refrigerating chamber, refrigerating chamber, cause sometimes temperature control it is unstable, and control strategy is more multiple
It is miscellaneous.
The content of the invention
In order to solve defect present in above-mentioned prior art and deficiency, it is an object of the invention to provide a kind of non-azeotrope
The new refrigerator refrigeration system of mixed working fluid fractional condensation circulation, the system use non-azeotropic mixed working medium, enter gas-liquid by regulation
The mass dryness fraction of mix refrigerant in separator, the outlet of distribution gas-liquid separator gaseous refrigerant, the refrigerant of liquid refrigerant outlet
Flow, wherein gaseous refrigerant exit refrigerant are rich in low boiling component refrigerant, and mix refrigerant eventually enters into cold at this
Freeze evaporator；Refrigerant is rich in high boiling component refrigerant, mix refrigerant at this at gas-liquid separator liquid refrigerant outlet
Eventually enter into refrigeration evaporator；Freezing refrigerating capacity and refrigeration amount are finally can adjust within the specific limits.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of new refrigerator refrigeration system of non-azeotropic mixed working medium fractional condensation circulation, including compressor 101, electronic regulated valve
102nd, the first condenser 103, gas-liquid separator 104, the first regenerator 105, refrigeration capillary 106, refrigeration evaporator 107, the
Two condensers 108, the second regenerator 109, freezing capillary 110 and refrigerating evaporator 111；The electronic regulated valve 102, first
Condenser 103 is connected in parallel, and one end and the outlet of compressor 101 of parallel pipeline connect, the other end and the import of gas-liquid separator 104
Connection；The outlet of the gas-liquid separator 104 is divided into two-way, is steamed all the way through the first regenerator 105, refrigeration capillary 106, refrigeration
It is connected after hair device 107 with the air intake duct of compressor 101；Another way is through the second condenser 108, the second regenerator 109, freezing capillary
It is connected after pipe 110, refrigerating evaporator 111 with the air intake duct of compressor 101.
The electronic regulated valve 102 can adjust aperture, and regulation is entered by the gaseous refrigerant agent flux of electronic regulated valve 102
And the refrigerant mass dryness fraction of the entrance of gas-liquid separator 104 is adjusted, regulation gas-liquid separator 104 exit liquid refrigerant flow,
Gaseous refrigerant agent flux, distribution are finally reached certain into refrigeration evaporator 107 and the refrigerant amount of refrigerating evaporator 111
In the range of distribute the purpose of refrigeration evaporator 107 and the refrigerating capacity of refrigerating evaporator 111.
The new refrigerator refrigeration system uses mixed non-azeotropic refrigerant.
The mixed non-azeotropic refrigerant is that R290 and R600a is mixed, and wherein R290 accounts for the quality of mix refrigerant
Percentage is 20%~80%；Low boiling component refrigerant is rich in the gaseous refrigerant outlet of the gas-liquid separator 104
R290, and eventually enter into freezer evaporator 111；Higher boiling is rich in the liquid refrigerant outlet of the gas-liquid separator 104
Component refrigerants R600a, and eventually enter into refrigerator evaporator 107.
The backheat mode that the regenerator 109 of first regenerator 105 and second is taken is wound form, pastes and tie up formula or sleeve pipe
Formula.
Compared with traditional cooling cycle system of refrigerator the invention has the advantages that：
1. the new refrigerator refrigeration system can adjust electrical adjustment valve opening according to refrigerating chamber, refrigerating chamber payload,
And then the mass dryness fraction for entering refrigerant in gas-liquid separator is adjusted, so as to carry out the distribution of cold to refrigerating chamber, refrigerating chamber.
2. the new refrigerator refrigeration system has higher system energy efficiency, can be lifted cooling cycle system of refrigerator performance,
System power consumption is reduced, produces the effect of energy-conservation.
3. the new refrigerator refrigeration system improves the overall refrigerating effect and unit volume refrigerating capacity of system.
Present system is a kind of effective, feasible scheme, can effectively improve Refrigeration Cycle of Refrigerator systematic function, regulation
The distribution of cold, promote the development of family expenses and commercial refrigerator technology.
Brief description of the drawings
Fig. 1 is cooling cycle system schematic diagram of the present invention.
Fig. 2 is pressure-enthalpy diagram (p-h figures) of the cooling cycle system course of work of the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, the present invention is a kind of new refrigerator refrigeration system of non-azeotropic mixed working medium fractional condensation circulation, including pressure
Contracting machine 101, electronic regulated valve 102, the first condenser 103, gas-liquid separator 104, the first regenerator 105, refrigeration capillary
106th, refrigeration evaporator 107, the second condenser 108, the second regenerator 109, freezing capillary 110 and refrigerating evaporator 111.Institute
The outlet of compressor 101 is stated to be connected with electronic regulated valve 102, the first condenser 103；The electronic regulated valve 102, the first condenser
103 parallel connections, one end and the outlet of compressor 101 of parallel pipeline are connected, and the other end is connected with the import of gas-liquid separator 104；
The outlet of the gas-liquid separator 104 is divided into two-way, all the way through the first regenerator 105, refrigeration capillary 106, refrigeration evaporator
Air intake duct after 107 with compressor 101 is connected；Another way is through the second condenser 108, the second regenerator 109, freezing capillary
110th, it is connected after refrigerating evaporator 111 with the air intake duct of compressor 101.
As shown in Fig. 2 it is circulation pressure-enthalpy diagram (p-h figures) of the cooling cycle system course of work of the present invention, when system works
When, HTHP overheat gaseous refrigerant (in figure at 2 points) part that compressor 101 exports flows through electronic regulated valve 102, separately
A part releases heat after the first condenser 103 turns into saturated liquid refrigerant (in figure at 3 points).Flow through electronic regulated valve
102 HTHP overheat gaseous refrigerant turns into gas-liquid separation with after 103 condensed refrigerant of the first condenser mixes
The inlet condition (in figure at 4 points) of device 104, gas-liquid separator 104 have two outlets, and one is saturated liquid refrigerant (in figure
At 4b points) outlet, another is saturation gaseous refrigerant (in figure at 4d points) outlet.
From the saturated liquid refrigerant (in figure at 4b points) that gas-liquid separator 104 comes out through the first regenerator 105 to refrigeration
Room air intake duct heat release, it is changed into the refrigerant (in figure at 5 points) of supercooled state, is changed into gas-liquid two after refrigeration capillary 106 throttles
Mutually stream refrigerant (in figure at 6 points), in refrigeration evaporator 107 heat absorption turn into saturation gaseous refrigerant (in figure at 7 points), through the
One regenerator 105 absorbs heat and is changed into superheat state refrigerant (in figure at 8 points)；
The saturation gaseous refrigerant (in figure at 4d points) come out from gas-liquid separator 104 releases heat through the second condenser 108
Amount, is changed into saturated liquid refrigerant (in figure at 9 points), and through the, regenerator 109 to refrigerating chamber air intake duct heat release is changed into that shape is subcooled
The refrigerant (in figure at 10 points) of state, chilled capillary 110 are changed into biphase gas and liquid flow refrigerant (in figure at 11 points) after throttling,
Evaporation endothermic completes refrigeration purpose in refrigerating evaporator 111, turns into saturation gaseous refrigerant (in figure at 12 points), through first time
Hot device 105 absorbs heat and is changed into superheat state refrigerant (in figure at 13 points)；From the mistake hot gaseous system of the first regenerator 105 outflow
Cryogen (in figure at 8 points) with the and overheat gaseous refrigerant that regenerator 109 flows out mix (in figure at 13 points) after turn into and compress
Superheated refrigerant (in figure at 1 point) at the air entry of machine 101, afterwards refrigerant enter compressor 101, complete system refrigeration return
Road cyclic process.
The new refrigerator refrigeration system uses mixed non-azeotropic refrigerant.As the preferred embodiments of the present invention, institute
Stating system, by certain mass ratio, (mass percent that wherein R290 accounts for mix refrigerant is 20% using R290 and R600a
~80%) mixed non-azeotropic refrigerant mixed；The gaseous refrigerant of the gas-liquid separator 104 goes out (in figure at 4d points)
Low boiling component refrigerant R290 is rich in mouthful, and eventually enters into freezer evaporator 111；The liquid of the gas-liquid separator 104
State refrigerant (in figure at 4b points) is rich in high boiling component refrigerant R600a in outlet, and eventually enters into refrigerator evaporator
107.Mix refrigerant is not limited to R290, R600a refrigerant used by the system, and mixed non-azeotropic refrigerant can be by
Other one or more of refrigerants mix by a certain percentage.
The electronic regulated valve 102 can adjust aperture, so as to adjust the overheat gaseous refrigerant by electronic regulated valve 102
(in figure at 2 points) flow, and then the mass dryness fraction of the entrance refrigerant of gas-liquid separator 104 (in figure at 4 points) is actively adjusted, adjust liquid
State refrigerant (in figure at 4b points) flow, gaseous refrigerant (in figure at 4d points) flow, distribution is into refrigeration evaporator 107 and cold
Freeze the refrigerant amount of evaporator 111, finally adjust the refrigeration of refrigeration evaporator 107 and refrigerating evaporator 111 within the specific limits
Amount.
Claims (4)
1. a kind of new refrigerator refrigeration system of non-azeotropic mixed working medium fractional condensation circulation, including compressor (101), electronic regulated valve
(102), the first condenser (103), gas-liquid separator (104), the first regenerator (105), refrigeration capillary (106), refrigeration are steamed
Send out device (107), the second condenser (108), the second regenerator (109), freezing capillary (110) and refrigerating evaporator (111)；Institute
Electronic regulated valve (102) and the first condenser (103) parallel connection are stated, one end and compressor (101) outlet of parallel pipeline connect
Connect, the other end is connected with gas-liquid separator (104) import；The outlet of the gas-liquid separator (104) is divided into two-way, all the way through
One regenerator (105), refrigeration capillary (106), air intake duct of the refrigeration evaporator (107) afterwards with compressor (101) are connected；It is another
Road through the second condenser (108), the second regenerator (109), freezing capillary (110), after refrigerating evaporator (111) and compressor
(101) air intake duct is connected；
The electronic regulated valve (102) can adjust aperture, so as to adjust the overheat gaseous refrigerant by electronic regulated valve (102)
Flow, and then the mass dryness fraction of gas-liquid separator (104) entrance refrigerant is actively adjusted, adjust gas-liquid separator (104) exit
Liquid refrigerant flow and gaseous state refrigerant flow, refrigeration of the distribution into refrigeration evaporator (107) and refrigerating evaporator (111)
Dosage, finally make the refrigerating capacity of refrigeration evaporator (107) and refrigerating evaporator (111) adjustable within the specific limits.
2. new refrigerator refrigeration system according to claim 1, it is characterised in that：The new refrigerator refrigeration system uses
Mixed non-azeotropic refrigerant.
3. new refrigerator refrigeration system according to claim 2, it is characterised in that：The mixed non-azeotropic refrigerant is
R290 and R600a are mixed, and the mass percent that wherein R290 accounts for mix refrigerant is 20%~80%；The gas-liquid separation
Low boiling component refrigerant R290 is rich in the gaseous refrigerant outlet of device (104), and eventually enters into freezer evaporator
(111)；High boiling component refrigerant R600a is rich in the liquid refrigerant outlet of the gas-liquid separator (104), and is finally entered
Enter refrigerator evaporator (107).
4. new refrigerator refrigeration system according to claim 1, it is characterised in that：First regenerator (105) and
The backheat mode that two regenerators (109) are taken is wound form, pastes and tie up formula or bushing type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510929109.8A CN105402979B (en) | 2015-12-12 | 2015-12-12 | A kind of new refrigerator refrigeration system of non-azeotropic mixed working medium fractional condensation circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510929109.8A CN105402979B (en) | 2015-12-12 | 2015-12-12 | A kind of new refrigerator refrigeration system of non-azeotropic mixed working medium fractional condensation circulation |
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| Publication Number | Publication Date |
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| CN105402979A CN105402979A (en) | 2016-03-16 |
| CN105402979B true CN105402979B (en) | 2018-01-16 |
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| CN201510929109.8A Active CN105402979B (en) | 2015-12-12 | 2015-12-12 | A kind of new refrigerator refrigeration system of non-azeotropic mixed working medium fractional condensation circulation |
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Cited By (1)
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| US11781788B2 (en) | 2018-11-14 | 2023-10-10 | Gree Electric Appliances, Inc. Of Zhuhai | Cascade air conditioner system |
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| CN106225319A (en) * | 2016-07-27 | 2016-12-14 | 南京理工大学 | A kind of double evaporating temperatures refrigeration and heat pump air conditioner unit and the method for back-heating type non-azeotropic mixed working medium |
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| KR20210022940A (en) * | 2019-08-21 | 2021-03-04 | 엘지전자 주식회사 | Non-azeotropic mixed refrigerant, and refrigerating apparatus using the same |
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| CN111076479A (en) * | 2019-12-05 | 2020-04-28 | 合肥晶弘电器有限公司 | Household refrigeration equipment for realizing ultralow-temperature storage by using non-azeotropic mixed refrigerant |
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| CN113531932A (en) * | 2021-03-22 | 2021-10-22 | 青岛海尔特种电冰柜有限公司 | Binary mixed working medium refrigerating system, refrigerating cabinet and control method of refrigerating cabinet |
| CN114719538A (en) * | 2022-04-20 | 2022-07-08 | 澳柯玛股份有限公司 | Refrigerator and operation method thereof |
| CN115164506B (en) * | 2022-06-06 | 2024-05-28 | 中科美菱低温科技股份有限公司 | Ultralow temperature refrigerator refrigeration control device, control method and refrigerator |
| CN115111843A (en) * | 2022-06-27 | 2022-09-27 | 西安交通大学 | Coupled multi-temperature-zone refrigerating system |
| CN115247918A (en) * | 2022-06-29 | 2022-10-28 | 宁波方太厨具有限公司 | Method for determining refrigerant charge amount of refrigerator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101025312A (en) * | 2007-02-06 | 2007-08-29 | 西安交通大学 | Method for making multi-temperature refrigerator with variable vapourating temperature |
| CN201757533U (en) * | 2010-05-31 | 2011-03-09 | 西安交通大学 | Self-cascade heat pump with intermediate throttling element |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08261575A (en) * | 1995-03-22 | 1996-10-11 | Sanyo Electric Co Ltd | Freezing device using nonazeotropic refrigerant mixture |
| DE10350192A1 (en) * | 2002-10-30 | 2004-05-19 | Denso Corp., Kariya | Cooling circuit system for a motor vehicle's air conditioning has a first heat exchange section to condense a gaseous coolant, a gas/liquid separating device and a second heat exchange section |
| US8739567B2 (en) * | 2012-06-08 | 2014-06-03 | General Electric Company | Dual evaporator refrigeration system using zeotropic refrigerant mixture |
-
2015
- 2015-12-12 CN CN201510929109.8A patent/CN105402979B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101025312A (en) * | 2007-02-06 | 2007-08-29 | 西安交通大学 | Method for making multi-temperature refrigerator with variable vapourating temperature |
| CN201757533U (en) * | 2010-05-31 | 2011-03-09 | 西安交通大学 | Self-cascade heat pump with intermediate throttling element |
Non-Patent Citations (1)
| Title |
|---|
| 自复叠制冷循环双温冰箱的理论与实验研究;晏刚，王维，钱文波，冯永斌，张敏;《制冷与空调》;20080628;第8卷;第70-74页 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11781788B2 (en) | 2018-11-14 | 2023-10-10 | Gree Electric Appliances, Inc. Of Zhuhai | Cascade air conditioner system |
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