CN108224842A - A kind of gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management - Google Patents
A kind of gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management Download PDFInfo
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- CN108224842A CN108224842A CN201810225602.5A CN201810225602A CN108224842A CN 108224842 A CN108224842 A CN 108224842A CN 201810225602 A CN201810225602 A CN 201810225602A CN 108224842 A CN108224842 A CN 108224842A
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- Prior art keywords
- valve
- battery
- compressor
- tonifying
- electric expansion
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 238000001704 evaporation Methods 0.000 claims abstract description 15
- 230000008020 evaporation Effects 0.000 claims abstract description 15
- 238000005057 refrigeration Methods 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 32
- 238000001816 cooling Methods 0.000 claims description 23
- 238000010257 thawing Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 239000003507 refrigerant Substances 0.000 description 174
- 238000010586 diagram Methods 0.000 description 11
- 230000005611 electricity Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 230000001351 cycling effect Effects 0.000 description 5
- 239000011555 saturated liquid Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
-
- 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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- 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
- F25B41/31—Expansion valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a kind of gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management, including：Freeze major loop, it is sequentially communicated compressor, the first electromagnet cut off valve, interior condenser, the first triple valve ab ports, vehicle external heat exchanger, the second triple valve ab ports, the first electric expansion valve, the 5th electromagnet cut off valve, the second electric expansion valve, third triple valve ab ports, third electromagnet cut off valve, interior evaporator and suction port of compressor；Heat major loop, the first electromagnet cut off valve of compressor, interior condenser, the first triple valve ac ports, the first electric expansion valve, the 5th electromagnet cut off valve, the second electric expansion valve, third triple valve ac ports, vehicle external heat exchanger, the second triple valve ac ports, interior evaporator and suction port of compressor are sequentially communicated, forms heating major loop.Flash evaporation connects compression mechanism into tonifying Qi branch.There is battery thermal management circulation loop simultaneously.The present invention realizes the heat management to battery, while solves the problems, such as heat pump air conditioning system poor-performing.
Description
Technical field
The present invention relates to automobile air regulation technology field more particularly to a kind of there is the gas compensating type of battery thermal management
Electric automobile heat-pump air-conditioning system.
Background technology
Demand of the today's society to the energy is increasing, and global energy crisis increasingly sharpens.It is so energy-saving and environment-friendly electronic
Automobile has become the developing direction of future automobile industrialization.And the air conditioning performance as one of car comfort index has also become
The basic demand of Hyundai Motor consumer.
One of Important Problems in terms of the problem of electric automobile air-conditioning system always electric vehicle.Because electric vehicle does not have
Have an engine, therefore engine exhaust heat cannot be used to carry out heating, therefore can not only freeze, but the heat pump air conditioner that can be heated into
For the selection of electric automobile air conditioner.Common heat pump air conditioning system performance when low-temperature heating and high-temperature refrigeration is bad,
Therefore it is always emphasis of concern for the promotion of performance in this respect.
Method for solving electric automobile heat-pump air-conditioning system low-temperature heating performance and high-temperature refrigeration poor performance, gas compensating type
It is the methods that are most and most being approved by people used in electric vehicle at present.By making in heat pump air conditioning system
It can reach the function of tonifying Qi with the method for flash evaporation.Gas compensating type heat pump air conditioning system is complex, by the prior art
Retrieval discovery, current one four-way reversing valve of electric automobile air conditioner heat pump system generally use and several unidirectional valve groups
The half-duplex channel that forms is closed to realize the changeable operation of refrigerant between different operating modes.But this working medium flow passage selector device
It needs, using a variety of ancillary equipments, to greatly increase its pipe-line system complex degree of structure, leads to system cost height, reliability
It is low, and the processing technology of four-way reversing valve is not still very ripe, anti-seismic performance is often poor.
Heat pump air conditioning system can increase the electricity consumption of electric vehicle, and the battery on electric vehicle will avoid overheating during work,
Also need to the ability of cold start-up.Therefore, battery thermal management is one of the problem of electric vehicle is paid close attention to the most.
Invention content
The present invention provides a kind of gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management, by adding
Using the circulation loop of the battery thermal management of battery heat exchanger, the heat management to battery is realized.
Another object of the present invention be when electric vehicle needs low-temperature heating and high-temperature refrigeration, can be by being increased
If the tonifying Qi endless form using flash evaporation solve the problems, such as this thing heat pump air conditioning system poor-performing.
Technical solution provided by the invention is：A kind of gas compensating type electric automobile heat-pump air-conditioning with battery thermal management
System, which is characterized in that including：
Freeze major loop, be sequentially communicated the first electromagnet cut off valve of compressor, interior condenser, the first triple valve ab ports,
Vehicle external heat exchanger, the second triple valve ab ports, the first electric expansion valve, the 5th electromagnet cut off valve, the second electric expansion valve, third
Triple valve ab ports, third electromagnet cut off valve, interior evaporator and suction port of compressor form refrigeration major loop；
Heat major loop, be sequentially communicated the first electromagnet cut off valve of compressor, interior condenser, the first triple valve ac ports,
First electric expansion valve, the 5th electromagnet cut off valve, the second electric expansion valve, third triple valve ac ports, vehicle external heat exchanger, second
Triple valve ac ports, interior evaporator and suction port of compressor, form heating major loop；
Battery cools down branch, is sequentially communicated the second electronic expansion valve outlet, the 4th electromagnet cut off valve, battery heat exchanger, the
Four triple valve ab ports；
Battery preheats branch, is sequentially communicated compressor, third electric expansion valve, battery heat exchanger, the 4th triple valve ac ends
Mouth, the first triple valve a ports；
Tonifying Qi branch connects flash evaporation and compressor；
When in tonifying Qi refrigeration battery refrigerating mode simultaneously, the refrigeration major loop, battery cooling branch and tonifying Qi branch
Road is in connected state；
When in tonifying Qi heating battery refrigerating mode simultaneously, the heating major loop, battery cooling branch and tonifying Qi branch
Road is in connected state；
When in tonifying Qi heating battery preheating mode simultaneously, the heating major loop, battery preheating branch and tonifying Qi branch
Road is in connected state.
Preferably, it further includes：
Gas-liquid separator is arranged in series in the entrance of the compressor；
Drier is connected between the first triple valve and the first electric expansion valve.
Preferably, it further includes：
When heating mode independent in battery, compressor is sequentially connected third electric expansion valve, battery heat exchanger, first
Electric expansion valve, the 5th electromagnet cut off valve, the second electric expansion valve, interior evaporator, form the independent heating circuit of battery.
Preferably, it further includes：
When refrigerating mode independent in battery, compressor is sequentially communicated, interior condenser, vehicle external heat exchanger, the first electricity
It is independent to form battery for sub- expansion valve, the 5th electromagnet cut off valve, the second electric expansion valve, the 4th electromagnet cut off valve, battery heat exchanger
Cooling circuit.
Preferably, it further includes：
When in refrigeration mode, compressor be sequentially communicated interior condenser, vehicle external heat exchanger, the first electric expansion valve,
5th electromagnet cut off valve, the second electric expansion valve, third electromagnet cut off valve, interior evaporator, form refrigerating circuit.
Preferably, it further includes：
When in heating mode, compressor is sequentially communicated interior the first electric expansion valve of condenser, the cut-off of the 5th electromagnetism
Valve, the second electric expansion valve, vehicle external heat exchanger, interior evaporator, form heating circuit.
Preferably, it further includes：
When in defrosting mode, compressor is sequentially communicated interior condenser, interior evaporator, suction port of compressor, forms
Defrosting circuit.
Preferably, it further includes：
Tonifying Qi refrigeration cycle：Connect the tonifying Qi refrigerating circuit and the tonifying Qi circuit；
Tonifying Qi heating mode：Connect the tonifying Qi heating circuit and the tonifying Qi circuit.
Preferably, it further includes：
Refrigeration while battery refrigerating mode：Connect the refrigerating circuit and battery cooling branch；
Heating while battery refrigerating mode：Connect the heating circuit and battery cooling branch；
Heating while battery preheating mode：Connect the heating circuit and battery preheating branch.
Preferably, it further includes：
Two air doors are separately positioned on by the interior condenser and interior evaporator, control its working condition.
Advantageous effect of the present invention：1) low-temperature heating and during high-temperature refrigeration, the present invention also has complete using flash evaporation
Into tonifying Qi refrigeration and tonifying Qi heating function, ensure that the performance of system at this time；2) the original heat exchanger of system and electricity are utilized
The function of the heat management for battery can be completed in sub- expansion valve；3) stability in use is preferable, processing technology is more mature three
Regulating valve of the port valve as refrigerant flow path, makes system have better stability；4) using Gas-supplying enthalpy-increasing formula scroll compression
Machine can effective hoisting power, reduce noise.
Description of the drawings
Fig. 1 is a kind of gas compensating type electric automobile heat-pump air-conditioning system general structure schematic diagram of the present invention.
Fig. 2 is summer car refrigeration work status diagram of the present invention.
Fig. 3 heats working state schematic representation for winter car of the present invention.
Fig. 4 is defrosting mode working state schematic representation of the present invention.
Fig. 5 is tonifying Qi refrigeration work status diagram of the present invention.
Fig. 6 heats working state schematic representation for tonifying Qi of the present invention.
Fig. 7 is interior refrigeration of the present invention while battery cooling work status diagram.
Fig. 8 is interior heating of the present invention while battery cooling work status diagram.
Fig. 9 is interior heating of the present invention while battery warm operation status diagram.
Figure 10 is tonifying Qi of the present invention refrigeration while battery cooling work status diagram.
Figure 11 is tonifying Qi of the present invention heating while battery cooling work status diagram.
Figure 12 is tonifying Qi of the present invention heating while battery warm operation status diagram.
Figure 13 is the independent heating work status diagram of battery of the present invention.
Figure 14 is the independent cooling work status diagram of battery of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
It is a kind of gas compensating type electric automobile heat-pump air-conditioning with battery thermal management provided by the invention as shown in Figure 1
The overall structure figure of system.Freeze major loop, is sequentially communicated compressor 1, the first electromagnet cut off valve 2, interior condenser 3, first
The ab ports of triple valve 4, vehicle external heat exchanger 5, the ab ports of the second triple valve 6, the first electric expansion valve 12, the cut-off of the 5th electromagnetism
Valve 15, the second electric expansion valve 16, the ab ports of third triple valve 10, third electromagnet cut off valve 23, interior evaporator 7 and pressure
1 entrance of contracting machine；
Major loop is heated, is sequentially communicated compressor 1, the first electromagnet cut off valve 2, interior condenser 3, the first triple valve 4
Ac ports, the first electric expansion valve 12, the 5th electromagnet cut off valve 15, the second electric expansion valve 16, third triple valve 10 ac ends
Mouth, vehicle external heat exchanger 5, the ac ports of the second triple valve 6,1 entrance of interior evaporator 7 and compressor, form heating major loop；
Battery cools down branch, is sequentially communicated the second electronic expansion valve outlet 16, the 4th electromagnet cut off valve 22, battery heat exchanger
20th, the ab ports of the 4th triple valve 21, gas-liquid separator 9；
Battery preheats branch, is sequentially communicated compressor 1, third electric expansion valve 19, battery heat exchanger 20, the 4th triple valve
21 ac ports, a ports of the first triple valve 4；
Tonifying Qi branch, connection flash evaporation 13 and compressor 1；
It has different working conditions in different patterns.It is specific as follows：
Summer car refrigeration mode：As shown in Fig. 2, through 1 compressed high-temperature high-pressure refrigerant of compressor by the first electricity
Magnetic shut-off valve 2 is entered in interior condenser 3, and air door 18 is closed at interior condenser at this time, and interior condenser 3 is not
Heat exchange.Subsequent refrigerant flows through the first triple valve 4, is flowed by port a and is flowed out by port b, and subsequent refrigerant flows through to be changed outside vehicle
Hot device 5, the condenser of the conduct of vehicle external heat exchanger 5 at this time use.Subsequent refrigerant flows through the second triple valve 6, flowed by port a and by
Port b flows out.Subsequent refrigerant flows through drier 11, the first electric expansion valve 12 and the gas-liquid mixed refrigeration for becoming medium temperature and medium pressure
Agent.For subsequent refrigerant followed by the 5th electromagnet cut off valve 15, the second electric expansion valve 16 simultaneously becomes low-temperature low-pressure refrigerant.With
Refrigerant flows through third triple valve 10 afterwards, is entered by port a and is flowed out by port b, and subsequent refrigerant flows through the cut-off of third electromagnetism
Valve 23, interior evaporator 7, at this time air door 17 be in opening.Subsequent refrigerant flows through gas-liquid separator 9 and is eventually returned to press
Contracting machine 1 forms refrigerating circuit, completes refrigeration cycle.
Winter car heating mode：As shown in figure 3, through 1 compressed high-temperature high-pressure refrigerant of compressor by the first electricity
Magnetic shut-off valve 2 is entered in interior condenser 3, and air door 18 is in opening at interior condenser 3 at this time.Subsequent refrigerant stream
Through the first triple valve 4, entered by port a and flowed out by port c.For subsequent refrigerant followed by drier 11, the first electronics is swollen
Swollen valve 12 and the refrigerant for becoming medium temperature and medium pressure gas-liquid mixture phase, subsequent refrigerant flow through the 5th electromagnet cut off valve 15, and second
Electric expansion valve 16 simultaneously becomes low-temperature low-pressure refrigerant, and subsequent refrigerant flows through third triple valve 10, is entered by port a and by holding
Mouth c outflows, subsequent refrigerant flow through vehicle external heat exchanger 5, and vehicle external heat exchanger 5 is used as evaporator at this time.Subsequent refrigerant stream
Through the second triple valve 6, entered by port a and flowed out by port c.Subsequent refrigerant flows through interior evaporator 7, at this time at air door 17
In closed state, interior evaporator 7 does not exchange heat, and subsequent refrigerant flows through gas-liquid separator 9 and is eventually returned to compressor 1, forms
Circuit is heated, completes heating cycle.
Defrosting mode：As shown in figure 4, flow through the first electromagnet cut off valve 2 through 1 compressed high-temperature high-pressure refrigerant of compressor
It enters in interior condenser 3, air door 18 is closed at interior condenser at this time, and interior condenser 3 does not exchange heat.Then
Refrigerant flows through the first triple valve 4, is entered by port a and is flowed out by port b.Subsequent refrigerant flows through vehicle external heat exchanger 5, then
Refrigerant flows through the second triple valve 6, is flowed by port a and is flowed out by port c, and subsequent refrigerant flows through interior evaporator 7, at this time
Air door 17 is closed, and interior evaporator 7 does not exchange heat.Subsequent refrigerant flows through gas-liquid separator 9 and is eventually returned to compress
Machine 1 completes defrosting cycle.
Tonifying Qi refrigeration mode：As shown in figure 5, it is cut through 1 compressed high-temperature high-pressure refrigerant of compressor by the first electromagnetism
Only valve 2 is entered in interior condenser 3, and air door 18 is closed at interior condenser at this time, and interior condenser 3 does not change
Heat.Subsequent refrigerant flows through the first triple valve 4, is flowed by port a and is flowed out by port b, and subsequent refrigerant is flowed through and exchanged heat outside vehicle
Device 5, the condenser of the conduct of vehicle external heat exchanger 5 at this time use.Subsequent refrigerant flows through triple valve 6, is flowed by port a and by port b
Outflow.Subsequent refrigerant flows through drier 11, the first electric expansion valve 12 and the gas-liquid mixed refrigerant for becoming medium temperature and medium pressure.With
Refrigerant flows through flash evaporation 13 afterwards, since an effect part for flash evaporation 13 becomes saturation gaseous refrigerant and flows into compressor 1
Carry out tonifying Qi.Another part becomes saturated liquid refrigerant and continues cycling through.This some refrigerant flows subsequently through the second electromagnetism and cuts
Only valve 14, the second electric expansion valve 16 simultaneously become low-temperature low-pressure refrigerant.Subsequent refrigerant flows through third triple valve 10, by port
A enters simultaneously to be flowed out by port b, and subsequent refrigerant flows through third electromagnet cut off valve 23, interior evaporator 7, and air door 17 is at this time
Opening.Subsequent refrigerant, which flows through gas-liquid separator 9 and is eventually returned to compressor 1, completes tonifying Qi refrigeration cycle.
Tonifying Qi heating cycle：As shown in fig. 6, it is cut through 1 compressed high-temperature high-pressure refrigerant of compressor by the first electromagnetism
Only valve 2 is entered in interior condenser 3, and air door 18 is in opening at interior condenser 3 at this time.Subsequent refrigerant flows through the
One triple valve 4 is entered by port a and is flowed out by port c.Subsequent refrigerant is followed by drier 11, the first electric expansion valve
12 and become the refrigerant of medium temperature and medium pressure gas-liquid mixture phase, since an effect part for flash evaporation 13 becomes saturation gaseous refrigerant
Agent simultaneously flows into the progress tonifying Qi of compressor 1.Another part becomes saturated liquid refrigerant and continues cycling through.This some refrigerant is subsequent
The second electromagnet cut off valve 14 is flowed through, the second electric expansion valve 16 simultaneously becomes low-temperature low-pressure refrigerant, and subsequent refrigerant flows through third
Triple valve 10 is entered by port a and is flowed out by port c, and subsequent refrigerant flows through vehicle external heat exchanger 5, and vehicle external heat exchanger 5 is made at this time
It is used for evaporator.Subsequent refrigerant flows through the second triple valve 6, is entered by port a and is flowed out by port c.Subsequent refrigerant stream
Through interior evaporator 7, air door 17 is closed at this time, and interior evaporator 7 does not exchange heat, and subsequent refrigerant flows through gas-liquid separation
Device 9 is simultaneously eventually returned to the completion tonifying Qi heating cycle of compressor 1.
Car refrigeration while battery cooling cycle：As shown in fig. 7, it is passed through through 1 compressed high-temperature high-pressure refrigerant of compressor
It crosses the first electromagnet cut off valve 2 to enter in interior condenser 3, air door 18 is closed at interior condenser at this time, interior
Condenser 3 does not exchange heat.Subsequent refrigerant flows through the first triple valve 4, is flowed by port a and is flowed out by port b, subsequent refrigerant stream
Through vehicle external heat exchanger 5, the condenser of the conduct of vehicle external heat exchanger 5 at this time uses.Subsequent refrigerant flows through triple valve 6, is flowed by port a
And it is flowed out by port b.Subsequent refrigerant flows through drier 11, the first electric expansion valve 12 and the gas-liquid mixed for becoming medium temperature and medium pressure
Refrigerant.Subsequent refrigerant simultaneously becomes low-temp low-pressure refrigeration followed by the 5th electromagnet cut off valve 15, the second electric expansion valve 16
Agent.Subsequent refrigerant is shunted, and part of refrigerant flows subsequently through third triple valve 10, is entered by port a and is flowed by port b
Go out, flow subsequently through third electromagnet cut off valve 23, interior evaporator 7, air door 17 is now in opening.Subsequent refrigerant flows through
Gas-liquid separator 9 simultaneously returns to the completion refrigeration cycle of compressor 1.After the shunting of another part refrigerant, cut followed by the 4th electromagnetism
Only valve 22, battery heat exchanger 20, the cooling of complete battery pair.The 4th triple valve 21 is flowed subsequently through, is entered by port a and by port
B flows out, and flows subsequently through gas-liquid separator 9 and returns to compressor 1.
Car heating while battery refrigerating mode：As shown in figure 8, it is passed through through 1 compressed high-temperature high-pressure refrigerant of compressor
It crosses the first electromagnet cut off valve 2 to enter in interior condenser 3, air door 18 is in opening at interior condenser 3 at this time.Then
Refrigerant flows through the first triple valve 4, is entered by port a and is flowed out by port c.Subsequent refrigerant is followed by drier 11, and the
One electric expansion valve 12 and the refrigerant for becoming medium temperature and medium pressure gas-liquid mixture phase, subsequent refrigerant flow through the 5th electromagnet cut off valve
15, the second electric expansion valve 16 simultaneously becomes low-temperature low-pressure refrigerant, and subsequent refrigerant is shunted, and part of refrigerant is then made
Cryogen flows through third triple valve 10, is entered by port a and is flowed out by port c, subsequent refrigerant flows through vehicle external heat exchanger 5, at this time
Vehicle external heat exchanger 5 is used as evaporator.Subsequent refrigerant flows through the second triple valve 6, is entered by port a and is flowed out by port c.
Subsequent refrigerant flows through interior evaporator 7, and air door 17 is closed at this time, and interior evaporator 7 does not exchange heat, subsequent refrigerant
It flows through gas-liquid separator 9 and is eventually returned to compressor 1 and complete heating cycle.After the shunting of another part refrigerant, followed by the
Four electromagnet cut off valve 22, battery heat exchanger 20, the cooling of complete battery pair flow subsequently through the 4th triple valve 21, are entered by port a
And it is flowed out by port b, flow subsequently through gas-liquid separator 9 and returns to compressor 1.
Car heating while battery warm operation pattern：As shown in figure 9, refrigerant becomes high temperature after the compression of compressor 1
High-pressure refrigerant.Subsequent refrigerant is shunted, and part of refrigerant flows through the first electromagnet cut off valve 2 and enters interior condenser
In 3, subsequent refrigerant flows through the first triple valve 4, is entered by port a and is flowed out by port c.Subsequent refrigerant is followed by drying
Device 11, the first electric expansion valve 12 and the refrigerant for becoming medium temperature and medium pressure gas-liquid mixture phase, subsequent refrigerant flow through the 5th electricity
Magnetic shut-off valve 15, the second electric expansion valve 16 simultaneously become low-temperature low-pressure refrigerant, and subsequent refrigerant flows through third triple valve 10, by
Port a enters and is flowed out by port c, and subsequent refrigerant flows through vehicle external heat exchanger 5, and vehicle external heat exchanger 5 makes as evaporator at this time
With.Subsequent refrigerant flows through the second triple valve 6, is entered by port a and is flowed out by port c.Subsequent refrigerant flows through interior evaporation
Device 7, subsequent refrigerant, which flows through gas-liquid separator 9 and is eventually returned to compressor 1, completes heating cycle.Another part refrigerant shunts
After flow through electronics third expansion valve 19, refrigerant is made to become the temperature suitable for pre- thermal cell from script high-temperature high-pressure state, is prevented
Battery is damaged because refrigerant temperature is excessively high.Battery heat exchanger 20 is flowed subsequently through, completes the preheating for battery.Then stream
Through the 4th triple valve 21, entered by port a and flowed out by port c, subsequent refrigerant flows through the first triple valve 4, is flowed by port a
And flowed out by port c, then followed by drier 11, the first electric expansion valve 12, the 5th electromagnet cut off valve 15, the second electronics
Expansion valve 16 flows subsequently through third triple valve 10, is flowed out by port a and is flowed out by port c, flows subsequently through vehicle external heat exchanger 5, this
When vehicle external heat exchanger 5 used as evaporator.Subsequent refrigerant flows through the second triple valve 6, is entered by port a and is flowed by port c
Go out.Subsequent refrigerant flows through interior evaporator 7, and subsequent refrigerant flows through gas-liquid separator 9 and is eventually returned to compressor 1.At this time
Air door 18 is in opening at interior condenser 3.Air door 17 is closed at this time, and interior evaporator 7 does not exchange heat.
Tonifying Qi refrigeration while battery refrigerating mode：The refrigeration major loop, battery cooling branch and tonifying Qi branch are in and connect
Logical state；As shown in Figure 10, through 1 compressed high-temperature high-pressure refrigerant of compressor vehicle is entered by the first electromagnet cut off valve 2
In inner condenser 3, air door 18 is closed at interior condenser at this time, and interior condenser 3 does not exchange heat.Subsequent refrigerant stream
It through the first triple valve 4, is flowed by port a and is flowed out by port b, subsequent refrigerant flows through vehicle external heat exchanger 5, exchanges heat outside vehicle at this time
Device 5 is used as condenser.Subsequent refrigerant flows through the second triple valve 6, is flowed by port a and is flowed out by port b.Then refrigeration
Agent flows through drier 11, the first electric expansion valve 12 and the gas-liquid mixed refrigerant for becoming medium temperature and medium pressure.Subsequent refrigerant flows through
Flash evaporation 13 since an effect part for flash evaporation 13 becomes saturation gaseous refrigerant and flows into the progress tonifying Qi of compressor 1, is formed
Tonifying Qi branch.Another part becomes saturated liquid refrigerant and continues cycling through.This some refrigerant flows subsequently through the second electromagnetism and cuts
Only valve 14, the second electric expansion valve 16 simultaneously become low-temperature low-pressure refrigerant.Subsequent refrigerant is shunted, part of refrigerant with
Refrigerant flows through third triple valve 10 afterwards, is entered by port a and is flowed out by port b, and subsequent refrigerant flows through the cut-off of third electromagnetism
Valve 23, interior evaporator 7, at this time air door 17 be in opening.Subsequent refrigerant flows through gas-liquid separator 9 and is eventually returned to press
Contracting machine completes tonifying Qi refrigeration cycle, this is refrigerating circuit.Followed by the 4th electromagnet cut off valve after the shunting of another part refrigerant
22, battery heat exchanger 20, the cooling of complete battery pair flows subsequently through the 4th triple valve 21, is entered by port a and is flowed by port b
Go out, flow subsequently through gas-liquid separator 9 and return to compressor 1, this cools down branch for battery.
Tonifying Qi heating while battery refrigerating mode：The heating major loop, battery cooling branch and tonifying Qi branch are in and connect
Logical state；As shown in figure 11, through 1 compressed high-temperature high-pressure refrigerant of compressor vehicle is entered by the first electromagnet cut off valve 2
In inner condenser 3, air door 18 is in opening at interior condenser 3 at this time.Subsequent refrigerant flows through the first triple valve 4, by
Port a enters and is flowed out by port c.For subsequent refrigerant followed by drier 11, the first electric expansion valve 12 simultaneously becomes medium temperature
The refrigerant of middle pressure gas-liquid mixture phase, since an effect part for flash evaporation 13 becomes saturation gaseous refrigerant and flows into compression
Machine 1 carries out tonifying Qi, connects tonifying Qi branch.Another part becomes saturated liquid refrigerant and continues cycling through.This some refrigerant with
After flow through the second electromagnet cut off valve 14, the second electric expansion valve 16 simultaneously becomes low-temperature low-pressure refrigerant, and subsequent refrigerant is divided
Stream, the subsequent refrigerant of part of refrigerant flow through third triple valve 10, are entered and are flowed out by port c, subsequent refrigerant by port a
Vehicle external heat exchanger 5 is flowed through, vehicle external heat exchanger 5 is used as evaporator at this time.Subsequent refrigerant flows through the second triple valve 6, by holding
Mouth a enters and is flowed out by port c.Subsequent refrigerant flows through interior evaporator 7, and air door 17 is closed at this time, and car steams
Hair device 7 does not exchange heat, and subsequent refrigerant, which flows through gas-liquid separator 9 and is eventually returned to compressor 1, completes tonifying Qi heating cycle, this is system
Hot loop.Another part refrigerant is diverted to battery cooling branch, followed by the 4th electromagnet cut off valve 22, battery heat exchanger
20, the cooling of complete battery pair flows subsequently through the 4th triple valve 21, is entered by port a and is flowed out by port b.Subsequent refrigerant
It flows through gas-liquid separator 9 and returns to compressor 1.
Tonifying Qi heating while battery preheating mode：The heating major loop, battery preheating branch and tonifying Qi branch are in and connect
Logical state；As shown in figure 12, refrigerant becomes high-temperature high-pressure refrigerant after the compression of compressor 1, and subsequent refrigerant is shunted,
Part of refrigerant is entered by the first electromagnet cut off valve 2 in interior condenser 3.Subsequent refrigerant flows through the first triple valve 4,
Entered by port a and flowed out by port c.Followed by drier 11, the first electric expansion valve 12 simultaneously becomes subsequent refrigerant
Middle benefit gas presses the refrigerant of gas-liquid mixture phase, since an effect part for flash evaporation 13 becomes saturation gaseous refrigerant and flows into pressure
Contracting machine 1 carries out tonifying Qi, connects tonifying Qi branch.Another part becomes saturated liquid refrigerant and continues cycling through.This some refrigerant
The second electromagnet cut off valve 14 is flowed subsequently through, the second electric expansion valve 16 simultaneously becomes low-temperature low-pressure refrigerant, and subsequent refrigerant flows through
Third triple valve 10 is entered by port a and is flowed out by port c, and subsequent refrigerant flows through vehicle external heat exchanger 5, exchanges heat outside vehicle at this time
Device 5 is used as evaporator.Subsequent refrigerant flows through the second triple valve 6, is entered by port a and is flowed out by port c.Then refrigeration
Agent flows through interior evaporator 7, and subsequent refrigerant, which flows through gas-liquid separator 9 and is eventually returned to compressor 1, completes tonifying Qi heating cycle.
Electronics third expansion valve 19 is flowed through after the shunting of another part refrigerant, refrigerant is made to be become from script high-temperature high-pressure state suitable for pre-
The temperature of thermal cell prevents from damaging battery because refrigerant temperature is excessively high.Battery heat exchanger 20 is flowed subsequently through, is completed to electricity
The preheating in pond.4th triple valve 21 is entered by port a and is flowed out by port c, and subsequent refrigerant flows through the first triple valve 4, by holding
Mouthful a is flowed into simultaneously to be flowed out by port c, then followed by drier 11, the first electric expansion valve 12, and electromagnet cut off valve 15, second
Electric expansion valve 16 flows subsequently through third triple valve 10, is flowed out by port a and is flowed out by port c, flows subsequently through vehicle external heat exchanger
5, the evaporator of the conduct of vehicle external heat exchanger 5 at this time uses.Subsequent refrigerant flows through the second triple valve 6, is entered by port a and by port
C flows out.Subsequent refrigerant flows through interior evaporator 7, and subsequent refrigerant flows through gas-liquid separator 9 and is eventually returned to compressor 1.This
When car condenser 3 at air door 18 be in opening.Air door 17 is closed at this time, and interior evaporator 7 does not exchange heat.
The independent heating mode of battery：As shown in figure 13, refrigerant becomes high-temperature high-pressure refrigerant after the compression of compressor 1,
Subsequent refrigerant flows through third electric expansion valve 19, and refrigerant is made to become the temperature suitable for pre- thermal cell from script high-temperature high-pressure state
Degree, prevents from damaging battery because refrigerant temperature is excessively high.Flow subsequently through battery heat exchanger 20, the preheating of complete battery pair.
The 4th triple valve 21 is flowed subsequently through, flowed by port a and is flowed out by port c, subsequent refrigerant flows through the first triple valve 4, by holding
Mouth a is flowed into and is flowed out by port c, and subsequent refrigerant is followed by drier 11, the first electric expansion valve 12, the cut-off of the 5th electromagnetism
15 and second electric expansion valve 16 of valve.Subsequent refrigerant flows through the second triple valve 10, is flowed by a ports and is flowed out by c ports.With
Refrigerant flows into vehicle external heat exchanger 5 afterwards, and vehicle external heat exchanger 5 is used as evaporator at this time.Subsequent refrigerant flows through the second threeway
Valve 6 is entered by port a and is flowed out by port c, and subsequent refrigerant flows through interior evaporator 7, and air door 17, which is in, at this time closes shape
State, interior evaporator 7 do not exchange heat.Subsequent refrigerant flows through gas-liquid separator 9 and returns to compressor 1.
The independent refrigerating mode of battery：As shown in figure 14, refrigerant becomes high-temperature high-pressure refrigerant after the compression of compressor 1,
Interior condenser 3 is flowed subsequently through, air door 18 is now in closed state, and interior condenser 3 does not exchange heat.Subsequent refrigerant flows through the
One triple valve 4 is flowed by port a and is flowed out by port b, and subsequent refrigerant flows through vehicle external heat exchanger 5, and vehicle external heat exchanger 5 is at this time
It is used as condenser.Subsequent refrigerant flows through the second triple valve 6, is flowed by port a and is flowed out by port b, subsequent refrigerant
Flow through drier 11, the first electric expansion valve 12, the 5th electromagnet cut off valve 15, the second electromagnet cut off valve 16.Third threeway at this time
The ab ports of valve 10 are connected, and third electromagnet cut off valve 23 is closed, therefore refrigerant flows subsequently through electromagnet cut off valve 22, battery heat exchange
Device 20, the cooling of complete battery pair flow subsequently through the 4th triple valve 21, are flowed by port a and are flowed out by port b, subsequent Europe stream
Through gas-liquid separator 9 and return to compressor 1.
Compressor 1 uses gas compensating type screw compressor, can be with by opening up tonifying Qi hole on screw compressor fixed scroll
As the gas compensating type screw compressor used in gas compensating type electric automobile heat-pump air-conditioning system.Hoisting power can be played, is dropped
Low noise and other effects.
In refrigeration and heating operations, relevant valve mechanism can be controlled to adjust according to the pressure change of compressor air suction mouth
To realize the function of tonifying Qi.
Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management, which is characterized in that including：
Freeze major loop, be sequentially communicated the first electromagnet cut off valve of compressor, interior condenser, the first triple valve ab ports, outside vehicle
Heat exchanger, the second triple valve ab ports, the first electric expansion valve, the 5th electromagnet cut off valve, the second electric expansion valve, third threeway
Valve ab ports, third electromagnet cut off valve, interior evaporator and suction port of compressor form refrigeration major loop；
Major loop is heated, is sequentially communicated the first electromagnet cut off valve of compressor, interior condenser, the first triple valve ac ports, first
Electric expansion valve, the 5th electromagnet cut off valve, the second electric expansion valve, third triple valve ac ports, vehicle external heat exchanger, the second threeway
Valve ac ports, interior evaporator and suction port of compressor, form heating major loop；
Battery cools down branch, is sequentially communicated the second electronic expansion valve outlet, the 4th electromagnet cut off valve, battery heat exchanger, the four or three
Port valve ab ports；
Battery preheats branch, is sequentially communicated compressor, third electric expansion valve, battery heat exchanger, the 4th triple valve ac ports, the
One triple valve a ports；
Tonifying Qi branch connects flash evaporation and compressor；
When in tonifying Qi refrigeration battery refrigerating mode simultaneously, at the refrigeration major loop, battery cooling branch and tonifying Qi branch
In connected state；
When in tonifying Qi heating battery refrigerating mode simultaneously, at the heating major loop, battery cooling branch and tonifying Qi branch
In connected state；
When in tonifying Qi heating battery preheating mode simultaneously, at the heating major loop, battery preheating branch and tonifying Qi branch
In connected state.
2. the gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management according to claim 1, special
Sign is, further includes：
Gas-liquid separator is arranged in series in the entrance of the compressor；
Drier is connected between the first triple valve and the first electric expansion valve.
3. the gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management according to claim 2, special
Sign is, further includes：
When heating mode independent in battery, compressor is sequentially connected third electric expansion valve, battery heat exchanger, the first electronics
Expansion valve, the 5th electromagnet cut off valve, the second electric expansion valve, interior evaporator, form the independent heating circuit of battery.
4. the gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management according to claim 2, special
Sign is, further includes：
When refrigerating mode independent in battery, compressor is sequentially communicated, interior condenser, vehicle external heat exchanger, the first electronics are swollen
Swollen valve, the 5th electromagnet cut off valve, the second electric expansion valve, the 4th electromagnet cut off valve, battery heat exchanger form battery and individually cool down
Circuit.
5. the gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management according to claim 2, special
Sign is, further includes：
When in refrigeration mode, compressor is sequentially communicated interior condenser, vehicle external heat exchanger, the first electric expansion valve, the 5th
Electromagnet cut off valve, the second electric expansion valve, third electromagnet cut off valve, interior evaporator, form refrigerating circuit.
6. the gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management according to claim 2, special
Sign is, further includes：
When in heating mode, compressor is sequentially communicated interior the first electric expansion valve of condenser, the 5th electromagnet cut off valve,
Two electric expansion valves, vehicle external heat exchanger, interior evaporator, form heating circuit.
7. the gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management according to claim 2, special
Sign is, further includes：
When in defrosting mode, compressor is sequentially communicated interior condenser, interior evaporator, suction port of compressor, forms defrosting
Circuit.
8. the gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management according to claim 2, special
Sign is, further includes：
Tonifying Qi refrigeration cycle：Connect the tonifying Qi refrigerating circuit and the tonifying Qi circuit；
Tonifying Qi heating mode：Connect the tonifying Qi heating circuit and the tonifying Qi circuit.
9. the gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management according to claim 2, special
Sign is, further includes：
Refrigeration while battery refrigerating mode：Connect the refrigerating circuit and battery cooling branch；
Heating while battery refrigerating mode：Connect the heating circuit and battery cooling branch；
Heating while battery preheating mode：Connect the heating circuit and battery preheating branch.
10. the gas compensating type electric automobile heat-pump air-conditioning system with battery thermal management according to claim 2, special
Sign is, further includes：
Two air doors are separately positioned on by the interior condenser and interior evaporator, control its working condition.
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| CN108705915A (en) * | 2018-08-02 | 2018-10-26 | 威马智慧出行科技（上海）有限公司 | A kind of heat management system for electric vehicle |
| CN109037849A (en) * | 2018-09-14 | 2018-12-18 | 郑州科林车用空调有限公司 | A kind of direct-expansion type battery thermal management system with natural cooling function |
| CN109059341A (en) * | 2018-09-07 | 2018-12-21 | 吉林大学 | A kind of heat pump automotive air-conditioning system |
| CN109109610A (en) * | 2018-08-02 | 2019-01-01 | 威马智慧出行科技（上海）有限公司 | Integrated electric electrical automobile thermal management and its control method |
| CN109297208A (en) * | 2018-11-08 | 2019-02-01 | 上海北特科技股份有限公司 | The whole enthalpy electric automobile air conditioner heat pump system of tonifying Qi and the electric car including it |
| CN109353185A (en) * | 2018-11-21 | 2019-02-19 | 珠海格力电器股份有限公司 | Combined type heat manages system and its control method, electric car |
| CN109941065A (en) * | 2019-04-11 | 2019-06-28 | 上海理工大学 | Biquadratic circuit Gas-supplying enthalpy-increasing electric automobile air conditioner heat pump system |
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