CN111674235A - CO (carbon monoxide)2Heat pump air conditioner whole vehicle heat management system - Google Patents
CO (carbon monoxide)2Heat pump air conditioner whole vehicle heat management system Download PDFInfo
- Publication number
- CN111674235A CN111674235A CN202010563562.2A CN202010563562A CN111674235A CN 111674235 A CN111674235 A CN 111674235A CN 202010563562 A CN202010563562 A CN 202010563562A CN 111674235 A CN111674235 A CN 111674235A
- Authority
- CN
- China
- Prior art keywords
- heat
- management system
- way valve
- communication loop
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- B60H1/22—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
- B60H1/2221—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters arrangements of electric heaters for heating an intermediate liquid
-
- 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
- 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
-
- 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
-
- 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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
-
- 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
- B60H2001/003—Component temperature regulation using an air flow
-
- 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
-
- 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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
-
- 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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses CO2Heat pump air conditioner puts in order car thermal management system includes: the compressor, the four-way valve, the outdoor heat exchanger, the first electronic expansion valve, the liquid storage tank, the second electronic expansion valve, the indoor heat exchanger, the four-way valve and the liquid storage tank which are sequentially connected form a first communication loop; compressor, four-way valve, outdoor heat exchanger and the second in turn connectedThe electronic expansion valve, the liquid storage tank, the third electronic expansion valve, the battery cooling heat exchanger, the four-way valve and the liquid storage tank form a second communication loop; the first water pump, the battery cooling heat exchanger, the battery pack and the three-way valve which are connected in sequence form a third communication loop; wherein the liquid storage tank is provided with a heat regenerator; when the thermal management system is in an in-vehicle cooling and battery cooling mode, the first communication circuit, the second communication circuit and the third communication circuit are simultaneously opened.
Description
Technical Field
The invention belongs to the technical field of automobile air conditioners, and particularly relates to a CO2 heat pump air conditioner whole vehicle heat management system.
Background
The electric automobile technology is rapidly developed, and aiming at the problem that the conventional air-conditioning system of the electric automobile is mostly applied to a PTC electric heating system and a heat pump air-conditioning system at present, but the PTC electric heating system has low efficiency and seriously influences the endurance mileage of the electric automobile, the conventional heat pump air-conditioning system is used in a low-temperature environment (<The heating effect is poor at minus 10 ℃, and the heating requirement cannot be met, so that the problem of the conventional air conditioning system of the electric automobile and natural working medium CO are urgently needed to be solved2The composite material does not destroy the ozone layer (ODP is 0), has extremely low greenhouse gas effect (GWP is 1), is non-toxic and non-flammable, and has the advantages of good heat transfer performance, low flow resistance, large unit refrigerating capacity and the like. At present, CO2Is regarded as the refrigerant with the most application potential in the field of vehicle heat pumps.
Disclosure of Invention
The invention designs and develops CO2The invention discloses a heat pump air-conditioning whole vehicle heat management system, and aims to overcome the defect of the current CO2The defect of single mode of the heat pump air-conditioning system provides multiple working modes, and the linked battery heat management function can be realized.
The invention also aims to solve the problem of poor heating effect of the air conditioning system of the electric automobile in a low-temperature environment, and can obtain better heating effect in a low-temperature state.
CO (carbon monoxide)2Heat pump air conditioner puts in order car thermal management system includes:
the compressor, the four-way valve, the outdoor heat exchanger, the first electronic expansion valve, the liquid storage tank, the second electronic expansion valve, the indoor heat exchanger, the four-way valve and the liquid storage tank which are sequentially connected form a first communication loop;
the compressor, the four-way valve, the outdoor heat exchanger, the first electronic expansion valve, the liquid storage tank, the third electronic expansion valve, the battery cooling heat exchanger, the four-way valve and the liquid storage tank which are sequentially connected form a second communication loop;
the first water pump, the battery cooling heat exchanger, the battery pack and the three-way valve which are connected in sequence form a third communication loop;
wherein the liquid storage tank is provided with a heat regenerator;
when the thermal management system is in an in-vehicle cooling and battery cooling mode, the first communication circuit, the second communication circuit and the third communication circuit are simultaneously opened.
Preferably, when the thermal management system is in an in-vehicle cooling mode, the first communication circuit is opened and the second communication circuit is closed.
Preferably, when the battery pack is in an air-conditioning cooling mode, the second communication circuit and the third communication circuit are opened, and the first communication circuit is closed.
Preferably, said CO is2The heat pump air conditioner heat management system of the whole vehicle further comprises:
the first water pump, the battery cooling heat exchanger, the battery pack, the three-way valve and the low-temperature radiator which are sequentially connected form a fourth communication loop;
when the battery pack is in the ambient air cooling mode, the fourth communication loop is opened.
Preferably, when the ambient temperature is lower than the ambient temperature threshold T, the battery pack is cooled in an ambient air cooling mode;
wherein T is 18 to 22 ℃.
Preferably, said CO is2The heat pump air conditioner heat management system of the whole vehicle further comprises:
the second water pump, the motor, the DC-DC converter and the cooling water tank which are connected in sequence form a fifth communication loop;
when the thermal management system is in a motor cooling mode, the fifth communication loop is opened.
Preferably, a first expansion tank is connected between the second water pump and the cooling water tank.
Preferably, theCO2The heat pump air conditioner heat management system of the whole vehicle further comprises:
the compressor, the four-way valve, the indoor heat exchanger, the second electronic expansion valve, the liquid storage tank, the first electronic expansion valve, the outdoor heat exchanger, the four-way valve and the liquid storage tank which are connected in sequence form a sixth communication loop;
and when the heat management system is in a heating mode in the heat pump vehicle, the sixth communication loop is opened.
Preferably, said CO is2The heat pump air conditioner heat management system of the whole vehicle further comprises:
the first water pump, the battery cooling heat exchanger, the battery pack, the three-way valve and the PTC heater which are sequentially connected form a seventh communication loop;
when the thermal management system is in the PTC battery heating mode, the PTC heater is turned on.
Preferably, a second expansion tank is connected between the three-way valve and the PTC heater.
The invention has the beneficial effects that:
CO provided by the invention2The heat pump air conditioner whole vehicle heat management system can provide multiple working modes, realize the linked battery heat management function and overcome the defects of the current CO2The heat pump air conditioning system has the defect of single mode.
CO provided by the invention2The heat pump air-conditioning whole vehicle heat management system can obtain a better heating effect in a low-temperature state, and can solve the problem of poor heating effect of an electric vehicle air-conditioning system in a low-temperature environment.
Drawings
FIG. 1 shows a CO according to the invention2And (3) a schematic diagram of a heat pump air conditioner whole vehicle heat management system.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
As shown in FIG. 1, the present invention provides a CO2Heat pump air conditionerThe whole vehicle heat management system comprises CO2A heat pump system, a battery cooling system and a motor cooling system. Specifically, the compressor 100; four-way valve 210, three-way valve 220; an outdoor heat exchanger 310, an indoor heat exchanger 320, a battery cooling heat exchanger giller 330, a liquid storage tank 340 with a heat regenerator, a low-temperature radiator 350 and a PTC heater 360; a first electronic expansion valve 410, a second electronic expansion valve 420, a third electronic expansion valve 430; a battery pack 500; a first water pump 610, a second water pump 620; a first expansion tank 710, a second expansion tank 720, a cooling water tank 730; a motor 810, a DC-DC converter 820; the first electronic expansion valve 410, the second electronic expansion valve 420 and the third electronic expansion valve 430 all have a full-channel function.
The invention can make CO through switching the valve2The heat pump air conditioner realizes multiple working modes. The specific working mode is as follows:
1. an in-vehicle refrigeration mode: as shown in FIG. 1, CO compressed by compressor 1002The heat enters the outdoor heat exchanger 310 through the four-way valve 210 to release heat to the environment, then enters the liquid storage tank 340 with the heat regenerator through the first electronic expansion valve 410 to continuously release heat, then enters the indoor heat exchanger 320 to absorb heat in the passenger compartment after being throttled and decompressed by the second electronic expansion valve 420, then enters the liquid storage tank 340 with the heat regenerator through the four-way valve 210 to continuously absorb heat, and finally flows back to the compressor to complete the cycle process. In which the third electronic expansion valve 430 is in a closed state.
2.1 battery cooling only mode 1 (air conditioning cooling): as shown in FIG. 1, CO compressed by compressor 1002The heat enters the outdoor heat exchanger 310 through the four-way valve 210 to release heat to the environment, then enters the liquid storage tank 340 with a heat regenerator through the first electronic expansion valve 410 to continuously release heat, then enters the battery cooling heat exchanger giller 330 to absorb the heat of the battery cooling liquid after being throttled and depressurized through the third electronic expansion valve 430, then enters the liquid storage tank 340 with a heat regenerator through the four-way valve 210 to continuously absorb heat, and finally flows back to the compressor to complete the circulation process. In which the second electronic expansion valve 420 is in a closed state. Meanwhile, the battery coolant in the battery coolant circulation circuit flows out from the first water pump 610 to the battery coldBut transfers heat to CO in heat exchanger giller 3302Then flows into the battery pack 500 to absorb heat from the surface of the battery, then flows into the PTC heater 360 through the three-way valve 220 (the left port of the three-way valve 220 is closed), and then flows back to the first water pump 610 to complete the cycle.
2.2 Battery Cooling alone mode 2 (ambient air Cooling): as shown in fig. 1, in the case that the ambient temperature is lower than the ambient temperature threshold T, the battery coolant flows through the battery cooling heat exchanger giller 330 under the action of the first water pump 610, then passes through the battery pack 500 to absorb heat on the surface of the battery, then enters the low-temperature heat sink 350 through the three-way valve 220 (the right port of the three-way valve 220 is closed), dissipates the heat into the environment, and finally flows back to the first water pump 610 to complete the circulation process. Preferably, the ambient temperature threshold T is set at 18 ℃ to 22 ℃.
3. In-vehicle cooling + battery cooling mode: as shown in FIG. 1, CO compressed by compressor 1002Enters the outdoor heat exchanger 310 through the four-way valve 210 to release heat to the environment, then enters the liquid storage tank 340 with a heat regenerator through the first electronic expansion valve 410 to continuously release heat, and then CO enters the liquid storage tank2One part flows through a second electronic expansion valve 420, enters an indoor heat exchanger 320 after throttling and pressure reduction to absorb heat in a passenger compartment, the other part flows through a third electronic expansion valve 430, enters a battery cooling heat exchanger giller 330 after throttling and pressure reduction to absorb heat of battery cooling liquid, and then two parts of CO flow2After mixing, the mixture enters a liquid storage tank 340 with a heat regenerator through a four-way valve 210 to continuously absorb heat and finally flows back to the compressor to complete the cycle process. Meanwhile, the battery cooling liquid in the battery cooling liquid circulation loop flows out of the first water pump 610 to the battery cooling heat exchanger giller 330 to transfer heat to CO2Then flows into the battery pack 500 to absorb heat from the surface of the battery, then flows into the PTC heater 360 through the three-way valve 220 (the left port of the three-way valve 220 is closed), and then flows back to the first water pump 610 to complete the cycle.
4. A motor cooling mode: as shown in fig. 1, the motor cooling system includes: a second water pump 620, a motor 810, a DC-DC converter 820, and a cooling water tank 730. The motor coolant flows through the motor 810 under the action of the second water pump 620, absorbs heat on the surface of the motor, continues to flow through the DC-DC converter 820, absorbs heat on the surface of the motor, then flows into the cooling water tank 730 to dissipate the heat into the air, and finally flows back to the second water pump 620 to complete the circulation process.
Preferably, the motor cooling system further includes a first expansion tank 710, and the first expansion tank 710 is connected between the second water pump 620 and the cooling water tank 730; set up first expansion tank 710, can guarantee the temperature variation in-process, can not guarantee that the system liquid level is normal because of the expend with heat and contract with cold of coolant liquid leads to system pressure unusual.
5. Heating mode in the heat pump truck: as shown in FIG. 1, CO compressed by compressor 1002The heat enters the indoor heat exchanger 320 through the four-way valve 210 to release heat to the passenger compartment, then enters the liquid storage tank 340 with the heat regenerator through the second electronic expansion valve 420 to continuously release heat, then enters the outdoor heat exchanger 310 to absorb heat of the outdoor environment after being throttled and decompressed by the first electronic expansion valve 410, then enters the liquid storage tank 340 with the heat regenerator through the four-way valve 210 to continuously absorb heat, and finally flows back to the compressor 100 to complete the cycle process. In which the third electronic expansion valve 430 is in a closed state.
PTC battery heating mode: as shown in fig. 1, the battery coolant in the battery coolant circulation loop flows out from the first water pump 610 to the battery cooling heat exchanger giller 330, then flows into the battery pack 500 to heat the battery, then enters the PTC heater 360 through the three-way valve 220 to heat the battery coolant, and finally flows back to the first water pump 610 to complete the circulation process.
As a further preferred feature, the battery cooling circuit further includes: a second expansion tank 720, the second expansion tank 720 being connected between the three-way valve and the PTC heater 360; set up second expansion tank 720, can guarantee the temperature variation in-process, can not lead to system's pressure unusual because of the expend with heat and contract with cold of coolant liquid, guarantee that system's liquid level is normal.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. CO (carbon monoxide)2The whole car thermal management system of heat pump air conditioner, its characterized in that includes:
the compressor, the four-way valve, the outdoor heat exchanger, the first electronic expansion valve, the liquid storage tank, the second electronic expansion valve, the indoor heat exchanger, the four-way valve and the liquid storage tank which are sequentially connected form a first communication loop;
the compressor, the four-way valve, the outdoor heat exchanger, the first electronic expansion valve, the liquid storage tank, the third electronic expansion valve, the battery cooling heat exchanger, the four-way valve and the liquid storage tank which are sequentially connected form a second communication loop;
the first water pump, the battery cooling heat exchanger, the battery pack and the three-way valve which are connected in sequence form a third communication loop;
wherein the liquid storage tank is provided with a heat regenerator;
when the thermal management system is in an in-vehicle cooling and battery cooling mode, the first communication circuit, the second communication circuit and the third communication circuit are simultaneously opened.
2. CO according to claim 12The heat pump air-conditioning heat management system for the whole vehicle is characterized in that when the heat management system is in a cooling mode in the vehicle, the first communication loop is opened, and the second communication loop is closed.
3. CO according to claim 22The heat pump air-conditioning heat management system for the whole vehicle is characterized in that when a battery pack is in an air-conditioning cooling mode, the second communication loop and the third communication loop are opened, and the first communication loop is closed.
4. According to claim 3Said CO2The heat pump air conditioner heat management system of the whole vehicle is characterized by further comprising:
the first water pump, the battery cooling heat exchanger, the battery pack, the three-way valve and the low-temperature radiator which are sequentially connected form a fourth communication loop;
when the battery pack is in the ambient air cooling mode, the fourth communication loop is opened.
5. CO according to claim 42The heat pump air-conditioning vehicle thermal management system is characterized in that when the ambient temperature is lower than an ambient temperature threshold T, an ambient air cooling mode is adopted to cool a battery pack;
wherein T is 18 to 22 ℃.
6. CO according to claim 3, 4 or 52The heat pump air conditioner heat management system of the whole vehicle is characterized by further comprising:
the second water pump, the motor, the DC-DC converter and the cooling water tank which are connected in sequence form a fifth communication loop;
when the thermal management system is in a motor cooling mode, the fifth communication loop is opened.
7. CO according to claim 62The heat pump air-conditioning heat management system for the whole vehicle is characterized in that a first expansion water tank is connected between the second water pump and the cooling water tank.
8. CO according to claim 72The heat pump air conditioner heat management system of the whole vehicle is characterized by further comprising:
the compressor, the four-way valve, the indoor heat exchanger, the second electronic expansion valve, the liquid storage tank, the first electronic expansion valve, the outdoor heat exchanger, the four-way valve and the liquid storage tank which are connected in sequence form a sixth communication loop;
and when the heat management system is in a heating mode in the heat pump vehicle, the sixth communication loop is opened.
9. CO according to claim 82The heat pump air conditioner heat management system of the whole vehicle is characterized by further comprising:
the first water pump, the battery cooling heat exchanger, the battery pack, the three-way valve and the PTC heater which are sequentially connected form a seventh communication loop;
when the thermal management system is in the PTC battery heating mode, the PTC heater is turned on.
10. CO according to claim 92The heat pump air conditioner heat management system for the whole vehicle is characterized in that a second expansion water tank is connected between the three-way valve and the PTC heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563562.2A CN111674235B (en) | 2020-06-19 | 2020-06-19 | CO2 heat pump air conditioner whole vehicle heat management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563562.2A CN111674235B (en) | 2020-06-19 | 2020-06-19 | CO2 heat pump air conditioner whole vehicle heat management system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111674235A true CN111674235A (en) | 2020-09-18 |
| CN111674235B CN111674235B (en) | 2022-03-29 |
Family
ID=72436674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010563562.2A Active CN111674235B (en) | 2020-06-19 | 2020-06-19 | CO2 heat pump air conditioner whole vehicle heat management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111674235B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248745A (en) * | 2020-10-10 | 2021-01-22 | 东风汽车集团有限公司 | New energy automobile thermal management system |
| CN115519973A (en) * | 2022-10-10 | 2022-12-27 | 北京理工大学 | CO for vehicle 2 Thermal management system and working method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394183A (en) * | 2016-10-17 | 2017-02-15 | 重庆超力高科技股份有限公司 | CO2 heat pump air conditioner system and control method thereof |
| CN206171116U (en) * | 2016-10-17 | 2017-05-17 | 重庆超力高科技股份有限公司 | CO2 heat pump air conditioning system |
| CN107187291A (en) * | 2017-05-02 | 2017-09-22 | 珠海格力电器股份有限公司 | Air conditioner system, vehicle and air conditioner system control method |
| CN108372767A (en) * | 2018-03-20 | 2018-08-07 | 上海加冷松芝汽车空调股份有限公司 | It is suitable for the integral new-energy passenger integrated thermal management system of flammable working medium |
| CN210454400U (en) * | 2019-09-17 | 2020-05-05 | 上汽大众汽车有限公司 | Heat pump air conditioner of electric automobile |
-
2020
- 2020-06-19 CN CN202010563562.2A patent/CN111674235B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394183A (en) * | 2016-10-17 | 2017-02-15 | 重庆超力高科技股份有限公司 | CO2 heat pump air conditioner system and control method thereof |
| CN206171116U (en) * | 2016-10-17 | 2017-05-17 | 重庆超力高科技股份有限公司 | CO2 heat pump air conditioning system |
| CN107187291A (en) * | 2017-05-02 | 2017-09-22 | 珠海格力电器股份有限公司 | Air conditioner system, vehicle and air conditioner system control method |
| CN108372767A (en) * | 2018-03-20 | 2018-08-07 | 上海加冷松芝汽车空调股份有限公司 | It is suitable for the integral new-energy passenger integrated thermal management system of flammable working medium |
| CN210454400U (en) * | 2019-09-17 | 2020-05-05 | 上汽大众汽车有限公司 | Heat pump air conditioner of electric automobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248745A (en) * | 2020-10-10 | 2021-01-22 | 东风汽车集团有限公司 | New energy automobile thermal management system |
| CN115519973A (en) * | 2022-10-10 | 2022-12-27 | 北京理工大学 | CO for vehicle 2 Thermal management system and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111674235B (en) | 2022-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Qi | Advances on air conditioning and heat pump system in electric vehicles–A review | |
| CN108556660B (en) | Electric automobile thermal management system | |
| JP2017229223A (en) | Vehicular heat pump system | |
| CN108944332B (en) | Secondary loop air conditioner heat pump system | |
| CN208931069U (en) | Whole car thermal management system and car | |
| CN111619311A (en) | CO (carbon monoxide)2Heat pump air conditioner whole vehicle heat management system | |
| CN111497556B (en) | Carbon dioxide heat pump air conditioner whole vehicle heat management system with motor waste heat recovery function | |
| CN113173050B (en) | Thermal management system | |
| CN110588279A (en) | Whole-vehicle thermal management system with waste heat utilization function for new energy automobile | |
| CN111674235B (en) | CO2 heat pump air conditioner whole vehicle heat management system | |
| CN105172523A (en) | Electric automotive air conditioning system with mutually independent refrigerating cycle and heating cycle | |
| CN114435075A (en) | Finished automobile thermal management system and method for pure electric commercial vehicle | |
| CN113173049A (en) | Thermal management system | |
| CN114714860A (en) | Thermal management system | |
| CN111674234B (en) | Heat management system for whole vehicle of carbon dioxide heat pump air conditioner | |
| CN114013236A (en) | CO for vehicle2Thermal management system and working method thereof | |
| CN115716395A (en) | Thermal management system and thermal management method for electric vehicle and electric vehicle | |
| CN116039322A (en) | Thermal management system and electric vehicle | |
| CN114407604A (en) | Integrated electric automobile thermal management system, control method and electric automobile | |
| CN208232754U (en) | A kind of novel pure electric automobile heat-pump air-conditioning system | |
| CN112297757A (en) | Electric automobile heat management system with cooling liquid centralized circulation and use method thereof | |
| CN213831271U (en) | Vehicle and thermal management system thereof | |
| CN220535350U (en) | Vehicle thermal management system and vehicle | |
| CN116278612B (en) | Heat pump type integrated heat management system with defrosting function for pure electric vehicle | |
| CN220826456U (en) | Electric automobile thermal management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |