CN206856435U - A kind of suitable conventional vehicle is changed to the heat pump type air conditioning system of electric car - Google Patents
A kind of suitable conventional vehicle is changed to the heat pump type air conditioning system of electric car Download PDFInfo
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- CN206856435U CN206856435U CN201720540056.5U CN201720540056U CN206856435U CN 206856435 U CN206856435 U CN 206856435U CN 201720540056 U CN201720540056 U CN 201720540056U CN 206856435 U CN206856435 U CN 206856435U
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- heat exchanger
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- pipeline
- inlet communication
- expansion valve
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- 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
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
The utility model discloses the heat pump type air conditioning system that a kind of suitable conventional vehicle is changed to electric car, including compressor, car external heat exchanger, media heat exchanger, warm wind movement, evaporator, water heating type ptc heater, gas-liquid separator；The outlet of compressor and the inlet communication of media heat exchanger, the outlet of media heat exchanger and the inlet communication of car external heat exchanger, the outlet of car external heat exchanger and the inlet communication of gas-liquid separator, the outlet of gas-liquid separator and the inlet communication of compressor；The outlet of car external heat exchanger and the inlet communication of evaporator, the outlet of evaporator and the inlet communication of gas-liquid separator；The outlet of media heat exchanger and the inlet communication of water heating type ptc heater, the outlet of water heating type ptc heater and the inlet communication of warm wind movement, the outlet of warm wind movement and the inlet communication of media heat exchanger.The utility model reduces improvement cost, compared to single ptc heater, the more energy efficient environmental protection of heat pump mode heating, adds distance travelled without being modified to car body original vehicle.
Description
Technical field
The heat pump type air conditioning system that a kind of suitable conventional vehicle is changed to electric car is the utility model is related to, belongs to air conditioning for automobiles skill
Art field.
Background technology
It is more and more in response to national low-carbon environment-friendly, the call of reduction oil consumption, the use of electric power car.For at present
For fuel-engined vehicle through listing, the situation for carrying out the transformation of the way of electric car is also more and more.Change carrying out fuel vehicle to electric car
In system, the maximum hope of main engine plants is to try to maintain the design of former vehicle constant, and this just determines that air-conditioning system can not be led
Change on body.
The automobile heat pump air-conditioning system of current popular is formed by heating and freezing two to circulate, typically by motor compressor,
Car external heat exchanger, in-car heat exchanger, evaporator and various valve groups into.But for truck remodeling into electric car air-conditioning system come
Say, in order to meet that heating requires that media heat exchanger generally requires brand-new exploitation, because power requirement is higher, the body of media heat exchanger
Product is generally bigger than warm wind movement.Meanwhile common fuel vehicle is when being changed to electric car, it is contemplated that heat pump heating may not reach
Required to heating, it is necessary to which introducing positive temperature coefficient (PTC) heater carries out auxiliary heating.The brand-new exploitation of media heat exchanger is brought
The change of air conditioning for automobiles (HVAC) need to modify the enveloping space, the design of former vehicle also changes therewith；Ptc heater
Auxiliary heating efficiency causes energy waste less than 85%；The used heat of battery thermal management can not be utilized to warm oneself, waste part heat
Amount.In addition, after common fuel vehicle is changed to electric car, typically heated using high-pressure water-heating formula ptc heater, this is instantly
The maximum block energy consumption of electric car, power consumption occupy more than 30%, greatly reduce the distance travelled of electric car.
Utility model content
In order to make up the deficiencies in the prior art, the utility model provides the heat pump that a kind of suitable conventional vehicle is changed to electric car
Air-conditioning system, while maintaining former vehicle, energy consumption greatly reduces, adds distance travelled.
The purpose of this utility model realizes that a kind of suitable conventional vehicle is changed to electric car by such technical scheme
Heat pump type air conditioning system, it includes compressor, car external heat exchanger, media heat exchanger, warm wind movement, evaporator, water heating type PTC
Heater, gas-liquid separator, two electric change valves, three-way solenoid valve, electric expansion valve and the heating power with cutoff function
Expansion valve；The outlet of the compressor is gone out by pipeline and the inlet communication of the media heat exchanger, the media heat exchanger
Mouth is connected by pipeline with the first end of the three-way solenoid valve, and the second end of the three-way solenoid valve passes through pipeline
With the inlet communication of the car external heat exchanger, the 3rd end of the three-way solenoid valve passes through pipeline and the electric expansion valve
One end connection, the other end of the electric expansion valve is by pipeline and the inlet communication of the car external heat exchanger, outside the car
The outlet of heat exchanger is connected by pipeline with one end of two electric change valve, the other end of two electric change valve
By pipeline and the inlet communication of the gas-liquid separator, the outlet of the gas-liquid separator passes through pipeline and the compressor
Inlet communication；
The outlet of the car external heat exchanger is connected by pipeline with one end of the heating power expansion valve with cutoff function, institute
The other end for stating the heating power expansion valve with cutoff function is gone out by pipeline and the inlet communication of the evaporator, the evaporator
Mouth passes through the inlet communication of pipeline and the gas-liquid separator；
The outlet of the media heat exchanger passes through the inlet communication of pipeline and the water heating type ptc heater, the hot-water heating
By the inlet communication of pipeline and the warm wind movement, the outlet of the warm wind movement passes through pipeline for the outlet of formula PTC heaters
With the inlet communication of the media heat exchanger.
Further, the media heat exchanger is double-deck refrigerant-cooling liquid heat exchanger, and the refrigerant-coolant is hot
Exchanger includes refrigerant layer and flowing coating of cooling liquid, the import of the refrigerant layer by pipeline and the outlet of the compressor,
The outlet of the refrigerant layer is connected by pipeline with the first end of the three-way solenoid valve, and the outlet of the flowing coating of cooling liquid leads to
The inlet communication of piping and the water heating type ptc heater, the import of the flowing coating of cooling liquid pass through pipeline and the warm-air drier
The outlet of core.
Further, the pipeline, described of the first end of the outlet of the connection refrigerant layer and the three-way solenoid valve
Connect one end of two electric change valves and the pipeline of the import of the gas-liquid separator and the gas-liquid separator that connects
The pipeline of outlet and the import of the compressor is designed using coaxial cables.
Further, the compressor is small displacement motor compressor.
Further, the heating power expansion valve with cutoff function includes heating power expansion valve and for controlling thermal expansion
The magnet coil of valve break-make, the magnet coil are arranged on the bottom or side of the heating power expansion valve, the electromagnetic wire
Circle is connected with the heating power expansion valve.
Further, it is provided with temperature sensor on the water heating type ptc heater.
By adopting the above-described technical solution, the utility model has the advantages that：The utility model includes pressure
Contracting machine, car external heat exchanger, media heat exchanger, warm wind movement, evaporator, water heating type ptc heater, gas-liquid separator, there is drop
Temperature, heating and defrosting-defogging function, when the conventional fuel vehicle of progress is changed a social system to electric car, without original vehicle progress to car body
Modification, greatly reduces improvement cost；Compared with existing PTC is heated, using the more energy efficient environmental protection of heat pump mode heating, add
Distance travelled.
Other advantages, target and feature of the present utility model will be explained in the following description to a certain extent
State, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be said by following
Bright book and claims are realized and obtained.
Brief description of the drawings
Brief description of the drawings of the present utility model is as follows.
Fig. 1 is structural representation of the present utility model.
In figure：1. compressor；2. media heat exchanger；201. refrigerant layers；202. flowing coating of cooling liquid；3. three-way solenoid valve；
4. car external heat exchanger；5. electric expansion valve；6 two electric change valves；7. gas-liquid separator；8. water heating type ptc heater；9. temperature
Spend sensor；10. warm wind movement；11. the heating power expansion valve with cutoff function；12. evaporator.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in figure 1, the utility model discloses the heat pump type air conditioning system that a kind of suitable conventional vehicle is changed to electric car, bag
Small displacement compressors 1, car external heat exchanger 4, media heat exchanger 2, warm wind movement 10, evaporator 12, water heating type PTC heating are included
Device 8, gas-liquid separator 7, two electric change valves 6, three-way solenoid valve 3, electric expansion valve 5 and the heating power with cutoff function
Expansion valve 11；By the inlet communication of pipeline and media heat exchanger 2, the outlet of media heat exchanger 2 passes through pipe for the outlet of compressor 1
Road is connected with the first end of three-way solenoid valve 3, and the second end of three-way solenoid valve 3 passes through pipeline and car external heat exchanger 4
Inlet communication, the 3rd end of three-way solenoid valve 3 is connected by pipeline with one end of electric expansion valve 5, electric expansion valve 5
The other end by the inlet communication of pipeline and car external heat exchanger 4, the outlet of the car external heat exchanger 4 passes through pipeline and two energizations
One end connection of magnetic reversal valve 6, the other ends of two electric change valves 6 by pipeline and the inlet communication of gas-liquid separator 7,
The inlet communication that the outlet of gas-liquid separator 7 passes through pipeline and compressor 1.
The outlet of car external heat exchanger 4 is connected by pipeline with one end of the heating power expansion valve 11 with cutoff function, band cut-off
For the other end of the heating power expansion valve 11 of function by pipeline and the inlet communication of evaporator 12, the outlet of evaporator 12 passes through pipeline
With the inlet communication of gas-liquid separator 7.
The outlet of media heat exchanger 2 passes through the inlet communication of pipeline and water heating type ptc heater 8, water heating type ptc heater
By the inlet communication of pipeline and warm wind movement 10, the outlet of warm wind movement 10 passes through pipeline and media heat exchanger 2 for 8 outlet
Inlet communication.
Media heat exchanger 2 is double-deck refrigerant-cooling liquid heat exchanger, and refrigerant-cooling liquid heat exchanger includes refrigerant
Layer 201 and flowing coating of cooling liquid 202, the circulation refrigerant of refrigerant layer 201, the circulation coolant of flowing coating of cooling liquid 202, refrigerant layer 201 and coolant
Independently of each other, intersect layer 202 energy exchange being easy between refrigerant layer 201 and flowing coating of cooling liquid 202 again, and refrigerant layer 201 enters
For mouth by pipeline and the outlet of compressor 1, the outlet of refrigerant layer 201 passes through the first of pipeline and three-way solenoid valve 3
End connection, the outlet of flowing coating of cooling liquid 202 are entered by pipeline and the inlet communication of water heating type ptc heater 8, flowing coating of cooling liquid 202
Mouth passes through the outlet of pipeline and warm wind movement 10.
In order to meet the requirement of efficient energy-saving, the outlet of connection refrigerant layer 201 and the first end of three-way solenoid valve 3
Pipeline A, connect two electric change valves 6 one end and the import of gas-liquid separator 7 pipeline B and connect gas-liquid separator
The pipeline C of 7 outlet and the import of compressor 1 is designed using coaxial cables.
Heating power expansion valve 11 with cutoff function includes heating power expansion valve and for controlling heating power expansion valve magnet coil,
Magnet coil is arranged on the bottom or side of heating power expansion valve, and magnet coil is connected with heating power expansion valve, by controlling electricity
The power on/off of magnetosphere, and then completely closing for heating power expansion valve is realized, and also this process is not limited by environment.
Temperature sensor 9 is provided with water heating type ptc heater 8, detection flows through the liquid in water heating type ptc heater 8
Temperature.
Operation principle：
Heat pump type air conditioning system refrigeration principle:Two electric change valves 6 are controlled to be closed, three-way solenoid valve 3
First end connected with the second end, electric expansion valve 5 is closed, and the heating power expansion valve 11 with cutoff function is opened, and compressor 1 is done
Work(, the gas of HTHP is discharged, high temperature and high pressure gas enter outside car by the refrigerant layer 201 of refrigerant-coolant heat exchanger to be changed
Hot device 4, the refrigerant in refrigerant layer 201 flow to the heating power expansion valve with cutoff function by three-way magnetic valve and car external heat exchanger 4
11 carry out reducing pressure by regulating flow, most return to compressor 1 through evaporator 12 and gas-liquid separator 7 afterwards, form a kind of refrigeration cycle.
Heat pump type air conditioning system heats principle：Two electric change valves 6 are controlled to be in opening, three-way solenoid valve 3
First end connected with the 3rd end, electric expansion valve 5 is in opening, the heating power expansion valve 11 with cutoff function be in close
State, compressor 1 do work, and produce high temperature and high pressure gas, and high temperature and high pressure gas pass through refrigerant layer 201, refrigerant temperature rise, refrigerant
With the coolant in flowing coating of cooling liquid 202 heat exchange occurs for the refrigerant of layer 201, and the coolant after heating heats into water heating type PTC
In device 8, temperature sensor 9 detects the temperature of coolant, and when detection is less than setting value (50 DEG C), water heating type ptc heater 8 is opened
Begin to heat, otherwise water heating type ptc heater 8 is not involved in heating work, and the coolant after heating flows into warm wind movement 10, cold air
Heated through warm wind movement 10, coolant flows back to flowing coating of cooling liquid 202.Refrigerant is swollen by the inflow electronics of three-way solenoid valve 3
Swollen valve 5 carries out reducing pressure by regulating flow, and the refrigerant after reducing pressure by regulating flow enters car external heat exchanger 4, and car external heat exchanger 4 this moment serves as evaporation
Device, the low temperature low pressure gas in car external heat exchanger 4 return to compressor 1 through two electric change valves 6, gas-liquid separator 7, complete system
Thermal cycle.Situation caused by overheated gas may be occurred without by serving as the car external heat exchanger 4 of evaporator, now may in refrigerant
The refrigerant of liquid is mixed with, the effect of gas-liquid separator 7 is in order to avoid liquid refrigerants is entered in compressor 1.
Heat pump type air conditioning system defrosting-defogging principle:During windshield outer surface frosting (ice), heat pump type air conditioning system is using system
Thermal cycle, for refrigerant circulation pattern as heating circulation pattern, two electric change valves 6 of control are in opening, and three are powered
The first end of magnetic reversal valve 3 connects with the 3rd end, and electric expansion valve 5 is in opening, the heating power expansion valve with cutoff function
11 are closed, and compressor 1 does work, and produce high temperature and high pressure gas, and high temperature and high pressure gas pass through refrigerant layer 201, refrigerant temperature
Heat exchange occurs for degree rise, refrigerant and the coolant in flowing coating of cooling liquid 202 of refrigerant layer 201, and the coolant after heating enters water
In warm formula ptc heater 8, temperature sensor 9 detects the temperature of coolant, the water heating type when detection is less than setting value (60 DEG C)
Ptc heater 8 is begun to warm up, and otherwise water heating type ptc heater 8 is not involved in heating work, and the coolant after heating flows into warm wind
Movement 10, cold air are heated through warm wind movement 10, and coolant flows back to flowing coating of cooling liquid 202.The process of defrosting typically occurs in
The automobile ground zero stage, now the energy of heat pump for supplying be often not enough to be completely eliminated on windowpane frost, it is necessary to water heating type PTC
Heater 8 carries out auxiliary heating, quickly defrosting.Refrigerant flows into electric expansion valve 5 by three-way solenoid valve 3 and carries out throttling drop
Pressure, the refrigerant after reducing pressure by regulating flow enter car external heat exchanger 4, and car external heat exchanger 4 this moment serves as evaporator, in car external heat exchanger 4
Low temperature low pressure gas return to compressor 1 through two electric change valves 6, gas-liquid separator 7, complete heating circulation.
Because in-car moisture is too big, windshield can form one layer of water smoke under certain condition, this moment heat pump air conditioner system
System is dehumidified using kind of refrigeration cycle pattern, and two electric change valves 6 of control are closed, three-way solenoid valve 3
First end is connected with the second end, and electric expansion valve 5 is closed, and the heating power expansion valve 11 with cutoff function is opened, and compressor 1 does work,
The gas of HTHP is discharged, high temperature and high pressure gas enter car external heat exchanger by the refrigerant layer 201 of refrigerant-coolant heat exchanger
4, the refrigerant in refrigerant layer 201 flows to the heating power expansion valve 11 with cutoff function and entered by three-way magnetic valve and car external heat exchanger 4
Row reducing pressure by regulating flow, compressor 1 most is returned to through evaporator 12 and gas-liquid separator 7 afterwards, form a kind of refrigeration cycle.Remove if desired
Air-conditioning system is runing heating circulation pattern when wet, then closes two electric change valves 6, and refrigerant passes through with cutoff function
Heating power expansion valve 11 flows into evaporator 12 and freezed, so as to reach the purpose of dehumidifying.
The utility model include compressor 1, car external heat exchanger 4, media heat exchanger 2, warm wind movement 10, evaporator 12,
Water heating type ptc heater 8, gas-liquid separator 7, there is cooling, heating and defrosting-defogging function, carrying out conventional fuel vehicle to electricity
When motor-car is changed a social system, without being modified to original vehicle of car body；Greatly reduce improvement cost；Phase is heated with existing PTC
Than using the more energy efficient environmental protection of heat pump mode heating, adding distance travelled；Water heating type ptc heater 8 is without long-time at full capacity
Operation, while auxiliary can be carried out to heat pump again and heat the heat demand completed under different circulation patterns.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, and without departing from the objective and scope of the technical program, it all should
Cover among right of the present utility model.
Claims (5)
1. a kind of suitable conventional vehicle is changed to the heat pump type air conditioning system of electric car, it is characterised in that：Include and changed outside compressor, car
Hot device, media heat exchanger, warm wind movement, evaporator, water heating type ptc heater, gas-liquid separator, two electric change valves, three
Electric change valve, electric expansion valve and the heating power expansion valve with cutoff function；The outlet of the compressor passes through pipeline and institute
The inlet communication of media heat exchanger is stated, the outlet of the media heat exchanger passes through the first of pipeline and the three-way solenoid valve
End connection, the second end of the three-way solenoid valve pass through pipeline and the inlet communication of the car external heat exchanger, the threeway
3rd end of solenoid directional control valve is connected by pipeline with one end of the electric expansion valve, and the other end of the electric expansion valve leads to
The inlet communication of piping and the car external heat exchanger, the outlet of the car external heat exchanger is changed by pipeline and the two-way electromagnetism
Connected to one end of valve, the other end of two electric change valve by pipeline and the inlet communication of the gas-liquid separator,
The inlet communication that the outlet of the gas-liquid separator passes through pipeline and the compressor；
The outlet of the car external heat exchanger is connected by pipeline with one end of the heating power expansion valve with cutoff function, the band
By pipeline and the inlet communication of the evaporator, the outlet of the evaporator leads to the other end of the heating power expansion valve of cutoff function
The inlet communication of piping and the gas-liquid separator；
The outlet of the media heat exchanger passes through the inlet communication of pipeline and the water heating type ptc heater, the water heating type PTC
The outlet of heater by the inlet communication of pipeline and the warm wind movement, the outlet of the warm wind movement by pipeline with it is described
The inlet communication of media heat exchanger；
The media heat exchanger is double-deck refrigerant-cooling liquid heat exchanger, and the refrigerant-cooling liquid heat exchanger includes cold
Matchmaker's layer and flowing coating of cooling liquid, the import of the refrigerant layer are gone out by pipeline and the outlet of the compressor, the refrigerant layer
Mouth is connected by pipeline with the first end of the three-way solenoid valve, and the outlet of the flowing coating of cooling liquid passes through pipeline and the water
The inlet communication of warm formula ptc heater, the import of the flowing coating of cooling liquid pass through pipeline and the outlet of the warm wind movement.
2. suitable conventional vehicle according to claim 1 is changed to the heat pump type air conditioning system of electric car, it is characterised in that：It is described
The outlet of connection refrigerant layer and the pipeline of the first end of the three-way solenoid valve, described connect the one of two electric change valves
Hold the pipeline with the import of the gas-liquid separator and the outlet for connecting gas-liquid separator and the import of the compressor
Pipeline using coaxial cables design.
3. suitable conventional vehicle according to claim 1 is changed to the heat pump type air conditioning system of electric car, it is characterised in that：It is described
Compressor is small displacement motor compressor.
4. suitable conventional vehicle according to claim 1 is changed to the heat pump type air conditioning system of electric car, it is characterised in that：It is described
Heating power expansion valve with cutoff function includes heating power expansion valve and the magnet coil for controlling heating power expansion valve break-make, described
Magnet coil is arranged on the bottom or side of the heating power expansion valve, and the magnet coil connects with the heating power expansion valve
Connect.
5. suitable conventional vehicle according to claim 1 is changed to the heat pump type air conditioning system of electric car, it is characterised in that：It is described
Temperature sensor is provided with water heating type ptc heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720540056.5U CN206856435U (en) | 2017-05-16 | 2017-05-16 | A kind of suitable conventional vehicle is changed to the heat pump type air conditioning system of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720540056.5U CN206856435U (en) | 2017-05-16 | 2017-05-16 | A kind of suitable conventional vehicle is changed to the heat pump type air conditioning system of electric car |
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| Publication Number | Publication Date |
|---|---|
| CN206856435U true CN206856435U (en) | 2018-01-09 |
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ID=60822572
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720540056.5U Active CN206856435U (en) | 2017-05-16 | 2017-05-16 | A kind of suitable conventional vehicle is changed to the heat pump type air conditioning system of electric car |
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| CN (1) | CN206856435U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108674129A (en) * | 2018-05-18 | 2018-10-19 | 蔚来汽车有限公司 | Electric vehicle and its air-conditioning system |
| CN111174373A (en) * | 2020-01-03 | 2020-05-19 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN113119686A (en) * | 2021-04-29 | 2021-07-16 | 上海中科深江电动车辆有限公司 | System for realizing cooling medium exchange in range-extended vehicle and control method thereof |
-
2017
- 2017-05-16 CN CN201720540056.5U patent/CN206856435U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108674129A (en) * | 2018-05-18 | 2018-10-19 | 蔚来汽车有限公司 | Electric vehicle and its air-conditioning system |
| CN111174373A (en) * | 2020-01-03 | 2020-05-19 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN113119686A (en) * | 2021-04-29 | 2021-07-16 | 上海中科深江电动车辆有限公司 | System for realizing cooling medium exchange in range-extended vehicle and control method thereof |
| CN113119686B (en) * | 2021-04-29 | 2022-07-19 | 上海中科深江电动车辆有限公司 | System for realizing cooling medium exchange in range-extended vehicle and control method thereof |
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