CN112977009B - Electric automobile thermal management system - Google Patents
Electric automobile thermal management system Download PDFInfo
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- CN112977009B CN112977009B CN202110420223.3A CN202110420223A CN112977009B CN 112977009 B CN112977009 B CN 112977009B CN 202110420223 A CN202110420223 A CN 202110420223A CN 112977009 B CN112977009 B CN 112977009B
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- heat exchanger
- expansion device
- management system
- thermal management
- battery
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- 238000001816 cooling Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000003507 refrigerant Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000007791 dehumidification Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 240000007695 Nandina domestica Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- 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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
-
- 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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- 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
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- 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
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
-
- 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
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
-
- 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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3227—Cooling devices using compression characterised by the arrangement or the type of heat exchanger, e.g. condenser, evaporator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
-
- 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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H2001/00307—Component temperature regulation using a liquid flow
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides a thermal management system of an electric automobile, which comprises: a refrigerant circuit, a powertrain cooling circuit, and a battery cooling circuit; the refrigerant circuit includes: the device comprises a compressor, a three-way valve, an internal heat exchanger, a first expansion device, a first heat exchanger, an external heat exchanger, a second expansion device, an evaporator, a third expansion device, a second heat exchanger, a stop valve, a gas-liquid separator and a third heat exchanger, wherein the compressor is connected with a first interface of the three-way valve, a second interface of the three-way valve is connected with the internal heat exchanger, and a third interface of the three-way valve is connected with the third heat exchanger; the battery cooling loop is connected with the second heat exchanger and the third heat exchanger, and the power assembly cooling loop is connected with the first heat exchanger. The system optimizes battery heating and waste heat recovery, improves system operation efficiency, and is beneficial to improving the endurance mileage of the electric automobile.
Description
Technical Field
The invention relates to a thermal management system, in particular to an electric automobile thermal management system.
Background
With the development of automobile technology, the occupancy of the electric automobile in the automobile is higher and higher, the electric automobile uses a battery as power, the battery is required to be cooled, the safe and efficient operation of the battery is ensured, and the comfort and the driving safety of a passenger cabin are required to be met. At present, most of heat management systems adopted by electric vehicles are systems which combine an electric vehicle air conditioner with a PTC electric heater, and heating is carried out through the PTC electric heater under winter working conditions, so that the driving mileage of the electric vehicle is greatly reduced. Compared with the traditional air conditioner heating system, the heat pump system has relatively complex structure, and the cost is increased (about 1500 yuan is increased), so that the heat pump system is a main obstacle for wide application. According to the feedback of the current market, a host factory hopes that the cost of the heat pump system is increased to be controlled to be about 1000 yuan, and meanwhile, the heat management system operates more efficiently. Therefore, the research on the high-efficiency low-cost heat pump system is greatly helpful for popularizing the wide use of the heat pump system in the electric automobile and solving the problem of the attenuation of the driving mileage in winter.
The BMW system adopts a heat pump system of a secondary loop and has the waste heat recovery function of an electric drive system, but the difference between the BMW system and the BMW system is that the heat management system adopts a direct heat pump, and the relative position of the electric drive waste heat recoverer is different from that of the BMW system; the thermal management system of the Nandina is also in a secondary loop form and has the function of recovering the waste heat of the electric drive system, but the relative position of the waste heat recoverer is different from that of the system, and the system can not absorb the heat of the waterway PTC electric heater; CN111565946a discloses a thermal management system for heating and cooling vehicles and managing electronic components and batteries in the vehicles.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a thermal management system of an electric automobile.
According to the invention, the electric automobile thermal management system comprises: a refrigerant circuit, a powertrain cooling circuit, and a battery cooling circuit;
The refrigerant circuit includes: the system comprises a compressor, a three-way valve, an internal heat exchanger, a first expansion device, a first heat exchanger, an external heat exchanger, a second expansion device, an evaporator, a third expansion device, a second heat exchanger, a stop valve, a gas-liquid separator and a third heat exchanger;
the compressor is connected with the first port of the three-way valve, the second port of the three-way valve is connected with the internal heat exchanger, the third port of the three-way valve is connected with the third heat exchanger, the other end of the internal heat exchanger is respectively connected with the first heat exchanger and the first expansion device, the first heat exchanger is connected with the first expansion device, the other end of the first expansion device is connected with the third heat exchanger, the other end of the first heat exchanger is connected with the external heat exchanger, the second expansion device, the stop valve and the third expansion device are connected in one place, the other end of the second expansion device is connected with the evaporator, the other end of the third expansion device is connected with the second heat exchanger, the second heat exchanger and the stop valve are converged and then connected with the evaporator, the gas-liquid separator is connected with the compressor, and the second heat exchanger is connected with the third heat exchanger;
The battery cooling loop is connected with the second heat exchanger and the third heat exchanger, and the power assembly cooling loop is connected with the first heat exchanger.
Preferably, the battery cooling circuit includes: the electric kettle comprises an electric heater, a first water pump, a first kettle and a battery;
One end of the electric heater is connected with the second heat exchanger, the other end of the electric heater is connected with the first water pump, the first water pump is connected with the first water kettle, the other end of the first water kettle is connected with the battery, and the other end of the battery is connected with the third heat exchanger.
Preferably, the powertrain cooling circuit includes: the second water kettle, the second water pump, the electric driving system and the low-temperature radiator;
One end of the low-temperature radiator is connected with the first heat exchanger, the other end of the low-temperature radiator is connected with the second water kettle, the other end of the second water kettle is connected with the second water pump, the other end of the second water pump is connected with the electric driving system, and the other end of the electric driving system is connected with the first heat exchanger.
Preferably, the external heat exchanger is provided with a temperature air door.
Preferably, a first fan is arranged at the external heat exchanger, and a second fan is arranged at the evaporator.
Preferably, when in the cooling mode, the shut-off valve is closed and the temperature damper is set to a full cooling state.
Preferably, when in the heating mode, the second expansion device is closed and the temperature damper is set to a full hot state.
Preferably, when in the dehumidification mode, the shut-off valve is closed and the temperature damper is set to a regulated state.
Preferably, when the battery cooling loop is heated, the third expansion device is communicated, the second heat exchanger is connected with the gas-liquid separator branch for communication, the third port of the three-way valve is closed, and the first expansion device is closed.
Preferably, when the battery cooling circuit is heated, the third expansion device is closed, the branch of the second heat exchanger connected with the gas-liquid separator is closed, the third port of the three-way valve is communicated, and the first expansion device is communicated.
Compared with the prior art, the invention has the following beneficial effects:
1. The system saves PTC electric heater for heating passenger cabin, and valve and pipeline, thereby saving system cost.
2. The system optimizes battery heating and waste heat recovery, improves system operation efficiency, and is beneficial to improving the endurance mileage of the electric automobile.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of an electric vehicle thermal management system;
FIG. 2 is a schematic diagram of a cooling mode of an electric vehicle thermal management system;
FIG. 3 is a schematic diagram of a heating mode of an electric vehicle thermal management system;
Fig. 4 is a schematic diagram of a dehumidification mode of an electric vehicle thermal management system.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
As shown in fig. 1, an electric vehicle thermal management system includes: a refrigerant circuit, a powertrain cooling circuit, and a battery cooling circuit; the refrigerant circuit includes: the heat exchanger comprises a compressor 1, a three-way valve 2, an internal heat exchanger 3, a first expansion device 4, a first heat exchanger 5, an external heat exchanger 6, a second expansion device 7, an evaporator 8, a third expansion device 9, a second heat exchanger 10, a stop valve 11, a gas-liquid separator 12 and a third heat exchanger 18; the compressor 1 is connected with a first port of the three-way valve 2, a second port of the three-way valve 2 is connected with the built-in heat exchanger 3, a third port of the three-way valve 2 is connected with the third heat exchanger 18, the other end of the built-in heat exchanger 3 is respectively connected with the first heat exchanger 5 and the first expansion device 4, the other end of the first expansion device 4 is connected with the third heat exchanger 18, the other end of the first heat exchanger 5 is connected with the external heat exchanger 6, the second expansion device 7, the stop valve 11 and the third expansion device 9 are connected at one position, the other end of the second expansion device 7 is connected with the evaporator 8, the other end of the third expansion device 9 is connected with the second heat exchanger 10, the second heat exchanger 10 and the stop valve 11 are converged with the evaporator 8 and are connected with the gas-liquid separator 12, the gas-liquid separator 12 is connected with the compressor 1, and the second heat exchanger 10 is connected with the third heat exchanger 18; the battery cooling circuit is connected with the second heat exchanger 10 and the third heat exchanger 18, and the power assembly cooling circuit is connected with the first heat exchanger 5. The battery cooling circuit includes: an electric heater 14, a first water pump 15, a first water kettle 16 and a battery 17; one end of the electric heater 14 is connected with the second heat exchanger 10, the other end of the electric heater 14 is connected with the first water pump 15, the first water pump 15 is connected with the first water kettle 16, the other end of the first water kettle 16 is connected with the battery 17, and the other end of the battery 17 is connected with the third heat exchanger 18. The powertrain cooling circuit includes: a second water kettle 19, a second water pump 20, an electric drive system 21 and a low temperature radiator 22; one end of the low-temperature radiator 22 is connected with the first heat exchanger 5, the other end of the low-temperature radiator 22 is connected with the second water kettle 19, the other end of the second water kettle 19 is connected with the second water pump 20, the other end of the second water pump 20 is connected with the electric drive system 21, and the other end of the electric drive system 21 is connected with the first heat exchanger 5.
As shown in fig. 2 to 4, when in the cooling mode, the shut valve 11 is closed and the temperature damper 13 is set to a full cooling state; when in the heating mode, the second expansion device 7 is closed, and the temperature damper 13 is set to a full-heat state; when in the dehumidification mode, the shut-off valve 11 is closed, and the temperature damper 13 is set to a regulated state. When the battery cooling loop is heated, the third expansion device 9 is communicated, the branch of the second heat exchanger 10 connected with the gas-liquid separator 12 is communicated, the third port of the three-way valve 2 is closed, and the first expansion device 4 is closed; when the battery cooling circuit is heated, the third expansion device 9 is closed, the branch of the second heat exchanger 10 connected with the gas-liquid separator 12 is closed, the third port of the three-way valve 2 is communicated, and the first expansion device 4 is communicated.
Specifically, only one electric heater 14 exists in the system, the heat of the electric heater 14 is absorbed by the second heat exchanger 10 in a low-temperature environment, and then the heat is transferred to the passenger cabin by the system, so that a heating function is realized, the electric heater of the passenger cabin is omitted, and the cost is saved. For heating the battery 17, the heat of the system can be transferred to a battery cooling loop through the third heat exchanger 18, so that the heating of the battery 17 is realized, and the heating efficiency of the battery 17 is improved. In addition, the position of the first heat exchanger 5 in the system is optimized, and the first heat exchanger 5 is arranged at the upstream of the external heat exchanger 6, so that the system efficiency is improved.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The foregoing describes specific embodiments of the present application. It is to be understood that the application is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the application. The embodiments of the application and the features of the embodiments may be combined with each other arbitrarily without conflict.
Claims (9)
1. An electric vehicle thermal management system, comprising: a refrigerant circuit, a powertrain cooling circuit, and a battery cooling circuit;
The refrigerant circuit includes: the device comprises a compressor (1), a three-way valve (2), an internal heat exchanger (3), a first expansion device (4), a first heat exchanger (5), an external heat exchanger (6), a second expansion device (7), an evaporator (8), a third expansion device (9), a second heat exchanger (10), a stop valve (11), a gas-liquid separator (12) and a third heat exchanger (18);
The compressor (1) is connected with a first interface of the three-way valve (2), a second interface of the three-way valve (2) is connected with the built-in heat exchanger (3), a third interface of the three-way valve (2) is connected with the third heat exchanger (18), the other end of the built-in heat exchanger (3) is respectively connected with the first heat exchanger (5) and the first expansion device (4), the first heat exchanger (5) is connected with the first expansion device (4), the other end of the first expansion device (4) is connected with the third heat exchanger (18), the other end of the first heat exchanger (5) is connected with the external heat exchanger (6), the second expansion device (7), the stop valve (11) and the third expansion device (9) are connected at one place, the other end of the second expansion device (7) is connected with the evaporator (8), the other end of the third expansion device (9) is connected with the second heat exchanger (10), the second heat exchanger (10) is connected with the second heat exchanger (11) and the separator (12) is connected with the second separator (12);
The battery cooling loop is connected with the second heat exchanger (10) and the third heat exchanger (18), and the power assembly cooling loop is connected with the first heat exchanger (5).
2. The electric vehicle thermal management system of claim 1, wherein the battery cooling circuit comprises: an electric heater (14), a first water pump (15), a first water kettle (16) and a battery (17);
The electric heater (14) one end is connected second heat exchanger (10), electric heater (14) other end is connected first water pump (15), first water pump (15) are connected first kettle (16), first kettle (16) other end is connected battery (17), battery (17) other end is connected third heat exchanger (18).
3. The electric vehicle thermal management system of claim 1, wherein the powertrain cooling circuit comprises: a second water kettle (19), a second water pump (20), an electric drive system (21) and a low-temperature radiator (22);
The low-temperature radiator (22) one end is connected with the first heat exchanger (5), the other end of the low-temperature radiator (22) is connected with the second water kettle (19), the other end of the second water kettle (19) is connected with the second water pump (20), the other end of the second water pump (20) is connected with the electric drive system (21), and the other end of the electric drive system (21) is connected with the first heat exchanger (5).
4. The electric vehicle thermal management system of claim 1, wherein: the external heat exchanger (6) is provided with a temperature air door (13).
5. The electric vehicle thermal management system of claim 4, wherein: a first fan (23) is arranged at the external heat exchanger (6), and a second fan (24) is arranged at the evaporator (8).
6. The electric vehicle thermal management system of claim 5, wherein: when in the cooling mode, the stop valve (11) is closed, and the temperature damper (13) is set to a full cooling state.
7. The electric vehicle thermal management system of claim 5, wherein: when in heating mode, the second expansion device (7) is closed and the temperature damper (13) is set to a full hot state.
8. The electric vehicle thermal management system of claim 5, wherein: when in the dehumidification mode, the stop valve (11) is closed, and the temperature air door (13) is set to be in a regulating state.
9. The electric vehicle thermal management system of claim 2, wherein: when the battery cooling loop is heated, the third expansion device (9) is closed, the branch of the second heat exchanger (10) connected with the gas-liquid separator (12) is closed, the third port of the three-way valve (2) is communicated, and the first expansion device (4) is communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110420223.3A CN112977009B (en) | 2021-04-19 | 2021-04-19 | Electric automobile thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110420223.3A CN112977009B (en) | 2021-04-19 | 2021-04-19 | Electric automobile thermal management system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112977009A CN112977009A (en) | 2021-06-18 |
| CN112977009B true CN112977009B (en) | 2024-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110420223.3A Active CN112977009B (en) | 2021-04-19 | 2021-04-19 | Electric automobile thermal management system |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214984789U (en) * | 2021-04-19 | 2021-12-03 | 上海爱斯达克汽车空调***有限公司 | Electric automobile thermal management system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009032871A1 (en) * | 2008-07-30 | 2010-02-04 | DENSO CORPORATION, Kariya-shi | Vehicle air conditioning system for air conditioning passenger compartment of e.g. hybrid vehicle, has cooling medium flow restriction devices for opening passage to enable flow of cooling medium from one section to other section |
| DE102011008552A1 (en) * | 2010-12-24 | 2012-06-28 | Volkswagen Ag | Motor vehicle with an air conditioner |
| CN105539067A (en) * | 2016-03-02 | 2016-05-04 | 天津三电汽车空调有限公司 | Vehicle air-conditioner system with battery heat management function |
| CN106585414B (en) * | 2016-12-27 | 2018-01-19 | 上海思致汽车工程技术有限公司 | A kind of intelligent multiloop electric automobile cooling system |
| KR20190033115A (en) * | 2017-09-20 | 2019-03-29 | 주식회사 두원공조 | Electric vehicle integrated heat management system |
| DE102018201945A1 (en) * | 2018-02-08 | 2019-08-08 | Audi Ag | Method for operating a refrigerant circuit and vehicle refrigeration system |
| CN109466273A (en) * | 2018-10-30 | 2019-03-15 | 珠海格力电器股份有限公司 | Heat pump air conditioning system, control method thereof and automobile |
| CN109484133A (en) * | 2018-12-18 | 2019-03-19 | 安徽江淮汽车集团股份有限公司 | Electric automobile air-conditioning system |
| KR20210000117A (en) * | 2019-06-24 | 2021-01-04 | 현대자동차주식회사 | Heat pump system for vehicle |
| CN112140831B (en) * | 2019-06-28 | 2022-04-26 | 杭州三花研究院有限公司 | Thermal management system |
| KR20210003002A (en) * | 2019-07-01 | 2021-01-11 | 현대자동차주식회사 | Heat pump system for vehicle |
| CN110774863B (en) * | 2019-11-20 | 2024-07-16 | 泰铂（上海）环保科技股份有限公司 | Whole vehicle thermal management system of integrated indirect heat pump for electric vehicle |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214984789U (en) * | 2021-04-19 | 2021-12-03 | 上海爱斯达克汽车空调***有限公司 | Electric automobile thermal management system |
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| CN112977009A (en) | 2021-06-18 |
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