CN113997755A - Automobile heat management air conditioning system and new energy automobile - Google Patents
Automobile heat management air conditioning system and new energy automobile Download PDFInfo
- Publication number
- CN113997755A CN113997755A CN202111478871.0A CN202111478871A CN113997755A CN 113997755 A CN113997755 A CN 113997755A CN 202111478871 A CN202111478871 A CN 202111478871A CN 113997755 A CN113997755 A CN 113997755A
- Authority
- CN
- China
- Prior art keywords
- air
- heat exchanger
- compressor
- conditioning system
- pipeline
- 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.)
- Pending
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 29
- 239000003507 refrigerant Substances 0.000 claims abstract description 28
- 239000002826 coolant Substances 0.000 claims abstract description 15
- 239000000110 cooling liquid Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000007872 degassing Methods 0.000 claims description 6
- 230000006698 induction Effects 0.000 abstract description 6
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000007906 compression Methods 0.000 description 17
- 238000007726 management method Methods 0.000 description 17
- 230000006835 compression Effects 0.000 description 16
- 238000001816 cooling Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000005057 refrigeration Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- B60H1/00271—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
- B60H1/00485—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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3223—Cooling devices using compression characterised by the arrangement or type of the compressor
-
- 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
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H3/0608—Filter arrangements in the air stream
-
- 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
- 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
-
- 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)
- Power Engineering (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The application provides a car thermal management air conditioning system and new energy automobile. The automobile thermal management air conditioning system comprises a refrigerant cycle and a cooling liquid cycle, wherein the refrigerant cycle comprises a compressor (1) and an in-vehicle heat exchanger (7), the heat exchanger (4) and first throttling arrangement (5) outside the car, still include the bypass pipeline, the one end of bypass pipeline is connected on the pipeline between heat exchanger (7) and the heat exchanger (4) outside the car in the car, the other end is connected to induction port (15) of compressor (1), be connected through middle heat exchanger (11) heat transfer between bypass pipeline and the coolant liquid circulation, compressor (1) is including gas overflow mouth (16), gas overflow mouth (16) department is connected with the gas overflow pipeline, be provided with control valve (14) on the gas overflow pipeline, the other end of gas overflow pipeline is connected to induction port (15), regional intercommunication between gas overflow mouth (16) and induction port (15) and the gas vent of the pump body subassembly of compressor (1). According to the automobile thermal management air-conditioning system, the discharge capacity of the compressor can be matched with the load, and the power of the compressor is saved.
Description
Technical Field
The application relates to the technical field of new energy vehicles, in particular to an automobile heat management air conditioning system and a new energy vehicle.
Background
With the vigorous development of new energy automobile industry in China, the market demand for vehicle thermal management technology and industry is rapidly increased. The development of green, integrated, modularized and intelligent heat management technology improves heat management efficiency, improves temperature control precision of three electric systems (batteries, motors and electric control), creates more comfortable in-vehicle environment, and becomes one of the most important links for creating safer, more comfortable, energy-saving and environment-friendly future new energy vehicles.
The existing automobile heat management scheme generally has the following defects: passenger train air conditioner and battery cooling system integration, the system specification needs to satisfy the demand of the cold volume of both sides simultaneously, and the load of general air conditioner can be bigger than the load of battery cooling moreover, so the compressor of great discharge capacity is selected to general type. However, during a season change, there are often usage scenarios: the air conditioner does not need to be started and the battery needs to be cooled, so that the cold quantity provided by the compressor and the system is completely used for cooling the battery, but the discharge capacity of the compressor is overlarge, even if the variable frequency compressor is used, the variable frequency compressor runs under the lower limit frequency, the output cold quantity is far greater than the cold quantity required by cooling the battery, so that the condition of 'big cattle pull trolley' is easily caused, the compressor is frequently started and stopped, the low-efficiency running is caused, and the endurance mileage of the whole vehicle is influenced.
Disclosure of Invention
Therefore, the technical problem to be solved by the application is to provide an automobile thermal management air conditioning system and a new energy automobile, so that the displacement of a compressor can be matched with the load, and the power of the compressor is saved.
In order to solve the problems, the application provides an automobile heat management air conditioning system, which comprises a refrigerant cycle and a cooling liquid cycle, wherein the refrigerant cycle comprises a compressor connected through a pipeline, an in-vehicle heat exchanger, an out-vehicle heat exchanger and a first throttling device, the automobile heat exchanger further comprises a bypass pipeline, one end of the bypass pipeline is connected to the pipeline between the in-vehicle heat exchanger and the out-vehicle heat exchanger, the other end of the bypass pipeline is connected to an air suction port of the compressor, the bypass pipeline is in heat exchange connection with the cooling liquid cycle through an intermediate heat exchanger, the compressor comprises an air overflow port, the air overflow port is connected with an air overflow pipeline, a control valve is arranged on the air overflow pipeline, the other end of the air overflow pipeline is connected to the air suction port, the air overflow port is communicated with an area between the air suction port and an air exhaust port of a pump body assembly of the compressor, and the pressure of the air overflow port is located between suction pressure and exhaust pressure.
Preferably, the air overflow port is communicated to an intermediate region between the suction port and the exhaust port.
Preferably, a first filter is arranged between the first throttling device and the heat exchanger in the vehicle.
Preferably, one end of the heat exchanger outside the vehicle, which is connected with the heat exchanger inside the vehicle, is provided with a second filter.
Preferably, a second throttling device is arranged on the bypass pipeline.
Preferably, the refrigerant cycle further comprises a four-way valve, wherein a first interface of the four-way valve is communicated with an exhaust port of the compressor, a second interface of the four-way valve is communicated with the heat exchanger outside the vehicle, a third interface of the four-way valve is communicated with the heat exchanger inside the vehicle, and a fourth interface of the four-way valve is communicated with a suction port of the compressor.
Preferably, the suction port of the compressor is further provided with a gas-liquid separator.
Preferably, the coolant circulation includes a water pump and a battery box connected by a pipe, and the coolant circulation flows through the intermediate heat exchanger.
Preferably, the cooling liquid circulation further comprises an expansion water tank, a degassing pipe and a water replenishing pipe, wherein an inlet of the expansion water tank is connected with the intermediate heat exchanger through the degassing pipe, and an outlet of the expansion water tank is connected with an inlet of the water pump through the water replenishing pipe.
According to another aspect of the application, a new energy automobile is provided, and the new energy automobile comprises an automobile thermal management air-conditioning system, and the automobile thermal management air-conditioning system is the automobile thermal management air-conditioning system.
The application provides a car thermal management air conditioning system, including refrigerant circulation and coolant liquid circulation, the refrigerant circulation includes the compressor through the tube coupling, heat exchanger in the car, outer heat exchanger and first throttling arrangement, still include the bypass pipeline, the one end of bypass pipeline is connected on the pipeline between heat exchanger in the car and the outer heat exchanger of car, the other end is connected to the induction port of compressor, be connected through middle heat exchanger heat transfer between bypass pipeline and the coolant liquid circulation, the compressor includes the gas overflow mouth, gas overflow mouth department is connected with the gas overflow pipeline, the other end of gas overflow pipeline is connected to the induction port, the regional intercommunication between the induction port of the pump body subassembly of gas overflow mouth and compressor and the gas vent, the pressure of gas overflow mouth is located between suction pressure and the discharge pressure. The compressor comprises an air inlet, an air outlet, an air overflow pipeline, a control valve, an air overflow pipeline and an air inlet, wherein the air overflow pipeline is arranged at the air overflow port and communicated with the air inlet and the air outlet, the air overflow pipeline is arranged on the air overflow pipeline, when the control valve is opened, the air overflow pipeline is communicated with the air inlet, the compression between the air overflow port and the air inlet is invalid, the compression between the air overflow port and the air outlet is effective, when the control valve is closed, the compression between the air inlet and the air outlet can be effective, therefore, when the demand of system refrigerating capacity is small, part of refrigerant is discharged out of the compressor through the air overflow port of the compressor, the purpose of reducing air delivery is achieved, the frequent starting and stopping of the compressor is avoided, the discharge capacity and the load of the compressor are matched, and the power of the compressor is saved.
Drawings
Fig. 1 is a schematic structural diagram of a thermal management air conditioning system of an automobile according to an embodiment of the present application.
The reference numerals are represented as:
1. a compressor; 2. a four-way valve; 3. an external fan; 4. an exterior heat exchanger; 5. a first throttling device; 6. a second throttling device; 7. a heat exchanger inside the vehicle; 8. an in-vehicle fan; 9. a gas-liquid separator; 10. an expansion tank; 11. an intermediate heat exchanger; 12. a water pump; 13. a battery box; 14. a control valve; 15. an air suction port; 16. an air overflow port; 17. a first filter; 18. a second filter; 19. removing an air pipe; 20. a water replenishing pipe.
Detailed Description
Referring to fig. 1 in combination, according to the embodiment of the present application, the thermal management air conditioning system for the automobile comprises a refrigerant cycle and a cooling liquid cycle, wherein the refrigerant cycle comprises a compressor 1 and an in-vehicle heat exchanger 7 which are connected through pipelines, the heat exchanger 4 and the first throttling gear 5 outside the vehicle further comprise a bypass pipeline, one end of the bypass pipeline is connected to a pipeline between the heat exchanger 7 inside the vehicle and the heat exchanger 4 outside the vehicle, the other end of the bypass pipeline is connected to an air suction port 15 of the compressor 1, the bypass pipeline is in heat exchange connection with the cooling liquid circulation through an intermediate heat exchanger 11, the compressor 1 comprises an air overflow port 16, the air overflow port 16 is connected with an air overflow pipeline, a control valve 14 is arranged on the air overflow pipeline, the other end of the air overflow pipeline is connected to the air suction port 15, the air overflow port 16 is communicated with an area between the air suction port 15 and an air exhaust port of a pump body assembly of the compressor 1, and the pressure of the air overflow port 16 is located between air suction pressure and exhaust pressure.
The compressor comprises an air inlet, an air outlet, an air overflow pipeline, a control valve, an air overflow pipeline and an air inlet, wherein the air overflow pipeline is arranged at the air overflow port and communicated with the air inlet and the air outlet, the air overflow pipeline is arranged on the air overflow pipeline, when the control valve is opened, the air overflow pipeline is communicated with the air inlet, the compression between the air overflow port and the air inlet is invalid, the compression between the air overflow port and the air outlet is effective, when the control valve is closed, the compression between the air inlet and the air outlet can be effective, therefore, when the demand of system refrigerating capacity is small, part of refrigerant is discharged out of the compressor through the air overflow port of the compressor, the purpose of reducing air delivery is achieved, the frequent starting and stopping of the compressor is avoided, the discharge capacity and the load of the compressor are matched, and the power of the compressor is saved.
The compressor is, for example, a scroll compressor.
In one embodiment, the air bleed port 16 is connected to the intermediate region between the air intake port 15 and the air exhaust port, and the position of the air bleed port 16 can be designed reasonably according to the displacement of the compressor itself and the required displacement thereof under the condition of only providing the cooling capacity of the battery, so that when the air bleed pipeline is in a connected state, the cooling capacity provided by the effective compression part of the compressor can meet the requirement of the displacement under the condition of only cooling the battery.
In one embodiment, in order to realize adjustment of multiple output displacements of the compressor, a plurality of air relief ports 16 may be disposed in a compression space between the air suction port 15 and the air discharge port of the compressor 1, each air relief port 16 is connected to an air relief pipeline, the plurality of air relief pipelines are connected in parallel and are commonly connected to the air suction port 15 of the compressor, each air relief pipeline is provided with a control valve 14, during operation of the compressor, an air relief pipeline required to operate may be selected according to a displacement requirement of the compressor, and the control valve 14 on the air relief pipeline is controlled to open, so that the output displacement of the compressor matches a load, and the operation energy efficiency of the compressor is improved.
In one embodiment, a first filter 17 is provided between the first throttle device 5 and the in-vehicle heat exchanger 7. By providing the first filter 17 between the first throttle device 5 and the in-vehicle heat exchanger 7, system impurities can be filtered through the first filter 17.
In one embodiment, the end of the exterior heat exchanger 4 connected to the interior heat exchanger 7 is provided with a second filter 18. The second filter 18 is capable of filtering system impurities between the exterior heat exchanger 4 and the interior heat exchanger 7.
In one embodiment, a second throttle 6 is provided on the by-pass line. The second throttling device 6 can throttle the refrigerant entering the intermediate heat exchanger 11, so that the heat absorption capacity of the intermediate heat exchanger 11 is increased, the cooling effect of the cooling liquid in the cooling liquid circulation is improved, and the cooling effect of the battery box 13 is further improved.
In one embodiment, the refrigerant cycle further comprises a four-way valve 2, wherein a first interface of the four-way valve 2 is communicated with an exhaust port of the compressor 1, a second interface is communicated with the heat exchanger 4 outside the vehicle, a third interface is communicated with the heat exchanger 7 inside the vehicle, and a fourth interface is communicated with a suction port 15 of the compressor 1.
In the present embodiment, since one end of the bypass line is always in communication with the air inlet 15 of the compressor and the other end of the bypass line is connected between the interior heat exchanger 7 and the exterior heat exchanger 4, the intermediate heat exchanger 11 on the refrigerant-side bypass line is always in an evaporation and heat absorption state regardless of whether the interior of the vehicle is heating or cooling, and the battery box 13 can be cooled and cooled all the time.
In one embodiment, the suction port 15 of the compressor 1 is further provided with a gas-liquid separator 9.
In one embodiment, the coolant circulation includes a water pump 12 and a battery box 13 connected by piping, and the coolant circulation flows through the intermediate heat exchanger 11.
The intermediate heat exchanger 11 is, for example, a plate heat exchanger.
The control valve 14 is, for example, a solenoid valve.
The coolant is, for example, water.
The water pump 12 is, for example, an electric water pump.
In one embodiment, the cooling liquid circulation further includes an expansion water tank 10, a degassing pipe 19, and a water replenishing pipe 20, an inlet of the expansion water tank 10 is connected to the intermediate heat exchanger 11 through the degassing pipe 19, and an outlet of the expansion water tank 10 is connected to an inlet of the water pump 12 through the water replenishing pipe 20.
The expansion tank 10 can store surplus coolant in the system, remove air bubbles generated in the coolant circulation through the air removal pipe 19, and replenish the coolant in the coolant circulation through the water replenishment pipe 20.
When the passenger and the battery have the refrigeration requirement at the same time, the passenger compartment and the battery box are in a coupled refrigeration mode, the low-temperature low-pressure refrigerant is changed into high-temperature high-pressure gaseous refrigerant through the compressor 1, the compressed refrigerant gas is firstly reversed through the four-way valve 2 and then enters the heat exchanger 4 outside the vehicle, and after exchanging heat with air, the refrigerant gas is changed into high-temperature high-pressure liquid. The external heat exchanger 4 also comprises an external fan 3 with adjustable rotating speed, and the heat exchange efficiency of the external heat exchanger 4 can be improved.
Refrigerant liquid after heat exchange by the external heat exchanger 4 is divided into two paths, wherein one path of liquid refrigerant is throttled by the first throttling device 5 and then changed into low-pressure and low-temperature liquid refrigerant, the low-pressure refrigerant liquid is subjected to heat exchange with air by the internal heat exchanger 7 and then changed into gaseous refrigerant, the air is cooled by the internal heat exchanger 7 and then provides cold air for passengers, the internal heat exchanger 7 is correspondingly provided with an internal fan 8, the heat exchange efficiency in the vehicle can be improved, and a first filter 17 and a second filter 18 are arranged in front of and behind the first throttling device 5 and used for filtering system impurities; the other path of refrigerant enters the intermediate heat exchanger 11 through the second throttling device 6 to exchange heat with the cooling liquid of the cooling liquid circulation, and the temperature of the battery box 13 is reduced through the cooling liquid.
And when the air conditioner is not required to be started in a transition season and the battery is required to be cooled, the battery independent refrigeration mode based on the intermediate air overflow of the compressor is started. In this mode, the first throttling device 5 is in a closed state, and the branch of the heat exchanger 7 in the vehicle is equivalent to short circuit. Because the compressor is the cold requirement under the coupled refrigeration mode of the passenger cabin and the battery box, the type is usually selected to be the compressor with larger displacement, in the embodiment of the application, the compressor under the independent refrigeration mode of the battery preferentially executes the middle gas spitting process, namely, an air overflow port 16 is arranged at the proper position of the middle compression section of the scroll compressor, a controllable bypass pipeline is arranged between the compressor and the air suction pipeline of the refrigeration system, a control valve 14 is arranged on the bypass pipeline, when the large-flow refrigerant enters the compression cavity of the compressor from an air suction port 15 of the compressor 1, because the pressure of the air suction pipeline of the compressor is lower, the refrigerant is discharged from the air overflow port 16 at the initial compression stage of the compression cavity, the compressor does not generate effective compression at the moment until the gas overflow process is finished, the compressor starts to perform effective compression, the effective air suction volume of the compressor under the mode is the volume of the compression cavity after the gas overflow, and the effective compression number of turns of the compressor is reduced, the displacement is reduced, the over-compression loss is reduced, the continuous adjustment of the system cold quantity between 50% and 100% is realized, and the power consumption is reduced by more than 20% in the mode that the air conditioner is not started and only the battery is cooled.
According to the embodiment of the application, the new energy automobile comprises an automobile thermal management air-conditioning system, and the automobile thermal management air-conditioning system is the automobile thermal management air-conditioning system.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (10)
1. The automobile heat management air conditioning system is characterized by comprising a refrigerant cycle and a cooling liquid cycle, wherein the refrigerant cycle comprises a compressor (1), an in-automobile heat exchanger (7), an out-automobile heat exchanger (4) and a first throttling device (5) which are connected through pipelines, one end of the bypass pipeline is connected to a pipeline between the in-automobile heat exchanger (7) and the out-automobile heat exchanger (4), the other end of the bypass pipeline is connected to an air suction port (15) of the compressor (1), the bypass pipeline is in heat exchange connection with the cooling liquid cycle through an intermediate heat exchanger (11), the compressor (1) comprises an air overflow port (16), the air overflow port (16) is connected with an air overflow pipeline, a control valve (14) is arranged on the air overflow pipeline, and the other end of the air overflow pipeline is connected to the air suction port (15), the overflow opening (16) is communicated with the area between the suction opening (15) and the exhaust opening of the pump body component of the compressor (1), and the pressure of the overflow opening (16) is between the suction pressure and the exhaust pressure.
2. Automotive thermal management air conditioning system according to claim 1, characterized in that the overflow opening (16) is connected to the intermediate area between the suction opening (15) and the discharge opening.
3. The automotive thermal management air-conditioning system according to claim 1, characterized in that a first filter (17) is arranged between the first throttling device (5) and the interior heat exchanger (7).
4. The automotive thermal management air-conditioning system according to the claim 1, characterized in that the end of the heat exchanger (4) outside the vehicle connected with the heat exchanger (7) inside the vehicle is provided with a second filter (18).
5. The vehicle thermal management air-conditioning system according to claim 1, characterized in that a second throttling device (6) is arranged on the bypass pipeline.
6. The automotive thermal management air-conditioning system according to claim 1, characterized in that the refrigerant cycle further comprises a four-way valve (2), a first port of the four-way valve (2) is communicated with an exhaust port of the compressor (1), a second port is communicated with the exterior heat exchanger (4), a third port is communicated with the interior heat exchanger (7), and a fourth port is communicated with an air suction port (15) of the compressor (1).
7. Automotive thermal management air conditioning system according to claim 1, characterized in that the suction opening (15) of the compressor (1) is also provided with a gas-liquid separator (9).
8. Automotive thermal management air conditioning system according to claim 1, characterized in that said coolant circulation comprises a water pump (12) and a battery box (13) connected by pipes, said coolant circulation flowing through said intermediate heat exchanger (11).
9. The automotive thermal management air-conditioning system according to claim 8, characterized in that the coolant circulation further comprises an expansion tank (10), a degassing pipe (19) and a water replenishing pipe (20), wherein an inlet of the expansion tank (10) is connected with the intermediate heat exchanger (11) through the degassing pipe (19), and an outlet of the expansion tank (10) is connected with an inlet of the water pump (12) through the water replenishing pipe (20).
10. The new energy automobile comprises an automobile thermal management air-conditioning system, and is characterized in that the automobile thermal management air-conditioning system is the automobile thermal management air-conditioning system in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111478871.0A CN113997755A (en) | 2021-12-06 | 2021-12-06 | Automobile heat management air conditioning system and new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111478871.0A CN113997755A (en) | 2021-12-06 | 2021-12-06 | Automobile heat management air conditioning system and new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113997755A true CN113997755A (en) | 2022-02-01 |
Family
ID=79931447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111478871.0A Pending CN113997755A (en) | 2021-12-06 | 2021-12-06 | Automobile heat management air conditioning system and new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113997755A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006250491A (en) * | 2005-03-14 | 2006-09-21 | Mitsubishi Electric Corp | Cold generating system, air conditioning system, refrigerating plant and cold generating method |
| CN207875334U (en) * | 2018-02-09 | 2018-09-18 | 上海金翅鹏实业有限公司 | A kind of electric automobile air conditioner with battery refrigerating function |
| CN111251829A (en) * | 2020-01-21 | 2020-06-09 | 上海海洋大学 | Dual-temperature control system and method for passenger compartment and power battery of fuel cell vehicle |
| CN112590493A (en) * | 2020-12-25 | 2021-04-02 | 一汽奔腾轿车有限公司 | Air conditioning system integrated with battery thermal management |
-
2021
- 2021-12-06 CN CN202111478871.0A patent/CN113997755A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006250491A (en) * | 2005-03-14 | 2006-09-21 | Mitsubishi Electric Corp | Cold generating system, air conditioning system, refrigerating plant and cold generating method |
| CN207875334U (en) * | 2018-02-09 | 2018-09-18 | 上海金翅鹏实业有限公司 | A kind of electric automobile air conditioner with battery refrigerating function |
| CN111251829A (en) * | 2020-01-21 | 2020-06-09 | 上海海洋大学 | Dual-temperature control system and method for passenger compartment and power battery of fuel cell vehicle |
| CN112590493A (en) * | 2020-12-25 | 2021-04-02 | 一汽奔腾轿车有限公司 | Air conditioning system integrated with battery thermal management |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4122726A1 (en) | Heat pump system for vehicle | |
| EP1059182B1 (en) | Vehicular air conditiioner | |
| EP2990740A1 (en) | Air conditioning system and heat exchanger | |
| CN107031347A (en) | On-vehicle battery temperature-adjusting device and the in-vehicle air conditioner for being equipped with the adjusting means | |
| CN110466309B (en) | Cooling and heating system for vehicle | |
| AU2022284938A1 (en) | Integrated valve group module and vehicle having same | |
| CN111251813B (en) | Thermal management system of vehicle and vehicle | |
| CN215153791U (en) | Thermal management system and electric automobile | |
| CN109466274B (en) | Thermal management system for electric automobile | |
| CN114905935A (en) | Pure electric vehicle thermal management system and control method thereof | |
| CN110435384A (en) | A kind of electric automobile heat-pump air-conditioning system | |
| CN107512149B (en) | The vehicle heat pump air-conditioning system of integrated battery heat management function | |
| CN109515114A (en) | A kind of automobile heat pump air-conditioning system | |
| CN209920981U (en) | Ultralow-temperature electric automobile heat pump air conditioning system | |
| CN113997755A (en) | Automobile heat management air conditioning system and new energy automobile | |
| CN115416444A (en) | Heat pump heat management system for new energy automobile and working method of heat pump heat management system | |
| CN210047289U (en) | Heat pump air conditioning system of electric automobile | |
| CN212362492U (en) | Heat pump air conditioning system | |
| CN212362493U (en) | Heat pump air conditioning system | |
| CN218316148U (en) | Automobile heat management system and new energy automobile thereof | |
| CN216636083U (en) | Valve body integrated module, heat pump air conditioner and vehicle | |
| CN219172135U (en) | Vehicle thermal management system and vehicle | |
| CN217574789U (en) | CO 2 Heat pump air conditioning system and vehicle | |
| CN216101434U (en) | Heat management system integrating pure electric commercial vehicle heat pump air conditioner and battery cooling | |
| CN221090418U (en) | Indirect heat pump thermal management system and vehicle |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220201 |