CN215850630U - Air conditioner heat pump system of electric automobile and automobile - Google Patents
Air conditioner heat pump system of electric automobile and automobile Download PDFInfo
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- CN215850630U CN215850630U CN202122029517.1U CN202122029517U CN215850630U CN 215850630 U CN215850630 U CN 215850630U CN 202122029517 U CN202122029517 U CN 202122029517U CN 215850630 U CN215850630 U CN 215850630U
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Abstract
The application discloses electric automobile air conditioner heat pump system and car. The electric automobile air-conditioning heat pump system comprises a battery; the electric compressor, the outdoor heat exchanger, the first indoor heat exchanger and the second indoor heat exchanger are connected with the battery, and the outdoor heat exchanger is connected with the first indoor heat exchanger; the electric compressor is respectively connected with the outdoor heat exchanger and the first indoor heat exchanger through a four-way reversing valve so as to freely switch between a heating mode and a cooling mode; the beneficial effect of this application is: the electric compressor is connected with the outdoor heat exchanger and the first indoor heat exchanger through the four-way reversing valve, free switching is achieved in a heating mode or a cooling mode, switching speed is high, heat exchange efficiency is further improved, energy consumption can be reduced, and electric energy is saved.
Description
Technical Field
The utility model relates to the technical field of electric automobile air conditioners, in particular to an electric automobile air conditioner heat pump system and an automobile.
Background
In a traditional fuel oil automobile, a compressor of an automobile air conditioner is driven by an engine during refrigeration, and the waste heat of the engine is utilized during heating, so that the endurance mileage is hardly influenced. For a pure electric vehicle, a compressor of an automobile air conditioner is driven by electric energy when the automobile air conditioner is used for refrigerating, and a PTC (Positive Temperature coefficient) electric heater is used when the automobile air conditioner is used for heating, so that the refrigerating mode and the heating mode are not convenient to switch, and the electric energy consumption is high, therefore, the influence of an electric automobile air conditioning system on the cruising range of the electric automobile is not negligible.
SUMMERY OF THE UTILITY MODEL
It is an object of the present application to overcome the above problems or to at least partially solve or alleviate the above problems.
To this end, the utility model provides an electric automobile air conditioning heat pump system in a first aspect.
In a second aspect, the present invention provides an automobile.
In order to realize the first aspect of the utility model, the technical scheme of the utility model provides an air-conditioning heat pump system of an electric automobile, which comprises: a battery; the electric compressor, the outdoor heat exchanger, the first indoor heat exchanger and the second indoor heat exchanger are connected with the battery, and the outdoor heat exchanger is connected with the first indoor heat exchanger; the electric compressor is respectively connected with the outdoor heat exchanger and the first indoor heat exchanger through a four-way reversing valve, so that the heating mode or the cooling mode can be freely switched; the electric compressor is connected with the four-way reversing valve through a first connecting pipe; one end of the first connecting pipe is connected with one side of the electric compressor, and the other end of the first connecting pipe is connected with an inlet of the four-way reversing valve; the four-way reversing valve is connected with the outdoor heat exchanger through a second connecting pipe; one end of the second connecting pipe is connected with one outlet of the four-way reversing valve, and the second connecting pipe is connected with one side of the outdoor heat exchanger.
The beneficial effect of this application is: the electric compressor is connected with the outdoor heat exchanger and the first indoor heat exchanger through the four-way reversing valve, free switching is achieved in a heating mode or a cooling mode, switching speed is high, heat exchange efficiency is further improved, energy consumption can be reduced, and electric energy is saved.
In addition, the above technical solution of the present invention may further have the following additional technical features:
in the above technical solution, a temperature sensor is disposed at one side of a joint of the second connecting pipe and one side of the outdoor heat exchanger.
In the technical scheme, an outdoor heat exchanger fan is arranged on the side part of the outdoor heat exchanger; and an outdoor heat exchanger temperature sensor is arranged at the other side part of the outdoor heat exchanger.
In the above technical solution, the outdoor heat exchanger and the first indoor heat exchanger are connected by a third connecting pipe; one end of the third connecting pipe is connected with the other side of the outdoor heat exchanger, and the other end of the third connecting pipe is connected with the first indoor heat exchanger.
In the above technical scheme, a filter, a first temperature and pressure sensor, an electronic expansion valve and a second temperature and pressure sensor are sequentially installed on the third connecting pipe.
In the technical scheme, the first indoor heat exchanger is connected with the four-way reversing valve through a fourth connecting pipe; one end of the fourth connecting pipe is connected with the first indoor heat exchanger, and the other end of the fourth connecting pipe is connected with the other inlet of the four-way reversing valve.
In the technical scheme, an indoor heat exchanger blower, a sunlight sensor and an indoor heat exchanger temperature sensor are arranged on the side part of the first indoor heat exchanger; and a PTC temperature sensor and an indoor temperature sensor are mounted on the side part of the second indoor heat exchanger.
In the above technical scheme, the electric compressor and the four-way reversing valve are further connected through a fifth connecting pipe, one end of the fifth connecting pipe is connected with one side of the electric compressor, and the other end of the fifth connecting pipe is connected with the four-way reversing valve.
In the above technical solution, the fifth connecting pipe is connected with a gas-liquid separator.
In order to realize the second aspect of the utility model, the utility model provides an automobile comprising the air-conditioning heat pump system of the electric automobile as described in any one of the first aspect.
The automobile of the technical scheme comprises the air-conditioning heat pump system of the electric automobile according to any technical scheme of the utility model, so that the air-conditioning heat pump system has the full technical effects of the burner according to any technical scheme of the utility model.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic front view of an electric vehicle air conditioning heat pump system according to one embodiment of the present application;
fig. 2 is a cross-sectional view of a four-way reversing valve of an air-conditioning heat pump system of an electric vehicle.
The labels in the figure are:
1. an electric compressor; 2. a four-way reversing valve; 3. a first indoor heat exchanger; 4. an electronic expansion valve; 5. an outdoor heat exchanger; 6. a gas-liquid separator; 7. an outdoor heat exchanger fan; 8. a second indoor heat exchanger; 9. an indoor heat exchanger temperature sensor; 10. a first temperature and pressure sensor; 11. a second temperature and pressure sensor; 12. an indoor heat exchanger blower; 13. an outdoor heat exchanger temperature sensor; 14. an indoor temperature sensor; 15. a solar light sensor; 16. a PTC temperature sensor; 17. a temperature sensor; 18. a filter; 19. a first connecting pipe; 20. a second connecting pipe; 21. a third connecting pipe; 22. a fourth connecting pipe; 23. and a fifth connecting pipe.
Detailed Description
The present application will now be described in further detail by way of specific examples with reference to the accompanying drawings. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
Example 1:
fig. 1 is a schematic front view of an electric vehicle air conditioning heat pump system according to one embodiment of the present application. As shown in fig. 1 and 2, the electric vehicle air-conditioning heat pump system in one particular embodiment may generally include a battery, an electric compressor 1, an outdoor heat exchanger 5, a first indoor heat exchanger 3, and a second indoor heat exchanger 8. Wherein, the battery is connected with the electric compressor 1, the outdoor heat exchanger 5, the first indoor heat exchanger 3 and the second indoor heat exchanger 8 respectively, and the outdoor heat exchanger 5 is connected with the first indoor heat exchanger 3. The electric compressor 1 is respectively connected with the outdoor heat exchanger 5 and the first indoor heat exchanger 3 through a four-way reversing valve 2 so as to be freely switched between a heating mode and a cooling mode, and the four-way reversing valve 2 is used for controlling the working mode of the air-conditioning heat pump system and switching the current working loop to be any one of the cooling loop and the heating loop. The motor-driven compressor 1 and the four-way selector valve 2 are connected by a first connecting pipe 19, one end of the first connecting pipe 19 is screwed to one side of the motor-driven compressor 1, and the other end of the first connecting pipe 19 is screwed to the inlet of the four-way selector valve 2. The four-way reversing valve 2 is in threaded connection with the outdoor heat exchanger 5 through a second connecting pipe 20, one end of the second connecting pipe 20 is in threaded connection with one outlet of the four-way reversing valve 2, and the second connecting pipe 20 is in threaded connection with one side of the outdoor heat exchanger 5.
The electric compressor is connected with the electric compressor 1, the outdoor heat exchanger 5, the first indoor heat exchanger 3 and the second indoor heat exchanger 8 through the battery respectively, electric control is achieved, the outdoor heat exchanger 5 is connected with the first indoor heat exchanger 3 to conduct heat exchange, the electric compressor 1 is connected with the outdoor heat exchanger 5 and the first indoor heat exchanger 3 through the four-way reversing valve 2 respectively, free switching is conducted in a heating mode or a cooling mode, switching speed is high, heat exchange efficiency is further improved, energy consumption can be reduced, and therefore electric energy is saved.
Wherein, the four-way reversing valve 2 is the existing four-way reversing valve.
Further, the second indoor heat exchanger 8 is used for enhancing heat exchange and is used for starting electric heating at an extremely low temperature to meet the heating requirement of the whole vehicle.
In the present embodiment, optionally, a temperature sensor 17 is provided at one side where the second connection pipe 20 and one side of the outdoor heat exchanger 5 are connected.
In the present embodiment, optionally, an outdoor heat exchanger fan 7 is installed at a side portion of the outdoor heat exchanger 5 for enhancing heat exchange, and an outdoor heat exchanger temperature sensor 13 is installed at the other side portion of the outdoor heat exchanger 5.
In the present embodiment, optionally, the outdoor heat exchanger 5 and the first indoor heat exchanger 3 are connected by a third connection pipe 21.
Specifically, one end of the third connection pipe 21 is screwed to the other side of the outdoor heat exchanger 5, and the other end of the third connection pipe 21 is screwed to the first indoor heat exchanger 3.
Further, a filter 18, a first temperature and pressure sensor 10, an electronic expansion valve 4, and a second temperature and pressure sensor 11 are sequentially attached to the third connection pipe 21.
In the present embodiment, optionally, the first indoor heat exchanger 3 and the four-way reversing valve 2 are connected by a fourth connection pipe 22.
One end of the fourth connection pipe 22 is connected to the first indoor heat exchanger 3 in a screw manner, and the other end of the fourth connection pipe 22 is connected to the other inlet of the four-way selector valve 2 in a screw manner.
Optionally, an indoor heat exchanger blower 12 is installed at a side of the first indoor heat exchanger 3 for enhancing heat exchange, a solar sensor 15, and an indoor heat exchanger temperature sensor 9.
Further, the side of the second indoor heat exchanger 8 is mounted with the PTC temperature sensor 16 and the indoor temperature sensor 14.
In the present embodiment, optionally, the motor-driven compressor 1 and the four-way selector valve 2 are also connected by a fifth connection pipe 23.
Specifically, one end of a fifth connection pipe 23 is threadedly coupled to one side of the motor-driven compressor 1, and the other end of the fifth connection pipe 23 is threadedly coupled to the four-way selector valve 2.
Further, the fifth connecting pipe 23 is connected to a gas-liquid separator 6.
The heat pump system has a heating mode and a cooling mode, and corresponds to a heating circuit and a cooling circuit, respectively. The heat pump system selects the working mode by utilizing the four-way reversing valve 2, and the four-way reversing valve 2 is in different conduction modes at different time to guide the refrigerant to move forward along different directions, so that the heat pump system can be freely switched between a heating mode and a cooling mode.
The single four-way reversing valve 2 is used for completing the switching of the refrigerating loop and the heating loop, and the heating loop and the refrigerating loop share the electric compressor 1, the electronic expansion valve 4, the gas-liquid separator 6, the outdoor heat exchanger 5, the indoor heat exchanger 3, the indoor heat exchanger blower 12, the outdoor heat exchanger fan 7 and the filter 18, so that the complexity of the system structure is optimized, the use number of parts is reduced, and the manufacturing cost of the system is saved.
In order to monitor the working state of the whole system, a first temperature and pressure sensor 10 and a second temperature and pressure sensor 11 for monitoring the temperature and pressure of the refrigerant are respectively arranged at the inlet and the outlet of the electronic expansion valve 4, and are used for monitoring the pressure and the temperature of the refrigerant which flows in two directions in different working modes. On the outside of the outdoor heat exchanger 5, an outdoor heat exchanger temperature sensor 13 for monitoring the temperature of the air flow blown out by the outdoor heat exchanger fan 7 is also provided. An indoor heat exchanger temperature sensor 9 for monitoring the temperature of the air flow blown out by the indoor heat exchanger blower 12 is provided outside the indoor heat exchanger 3. The outdoor heat exchanger temperature sensor 13 and the indoor heat exchanger temperature sensor 9 are used to monitor the operating state of the heat pump. And a PTC temperature sensor 16 is arranged on the outer side of the second indoor heat exchanger 8 and used for measuring the temperature of the PTC, and the PTC feeds back in real time when working to intelligently adjust the working power of the PTC. Further, an indoor temperature sensor 14 is provided in the passenger compartment, and a solar light sensor 15 is provided outside the passenger compartment. The indoor temperature sensor 14 monitors the indoor temperature and the solar sensor 15 monitors the solar intensity when a certain threshold is reached, for example: the temperature value set by a user is referred to and fed back to the heat pump system, the air quantity of a fan and the gear of a compressor of the heat pump system are adjusted, and indoor temperature control is carried out more accurately and actively.
The refrigeration running mode of the system is as follows: high-temperature and high-pressure gaseous refrigerant from the electric compressor 1 enters the outdoor heat exchanger 5 through the four-way reversing valve 2, exchanges heat through the outdoor heat exchanger 5 and is condensed into high-temperature and high-pressure liquid refrigerant, the high-temperature and high-pressure liquid refrigerant is throttled by the electronic expansion valve 4 to become low-temperature and low-pressure gas-liquid two-phase refrigerant, the low-temperature and low-pressure gas-liquid two-phase refrigerant is sent into the first indoor heat exchanger 3, and cold air blown out by the indoor heat exchanger blower 12 exchanges heat with the passenger compartment, so that the refrigeration purpose is achieved; then, the low-temperature low-pressure gas refrigerant flowing out of the indoor heat exchanger 3 is returned to the electric compressor 1 via the gas-liquid separator 6 to be compressed, and the refrigeration cycle is restarted.
In the cooling mode, when the reading of the temperature sensor 17, the first temperature and pressure sensor 10, the second temperature and pressure sensor 11 or the indoor heat exchanger temperature sensor 9 exceeds the set limit value, automatic alarm is realized.
In the heating mode of the heat pump system, the refrigerant driven by the electric compressor 1 flows through the four-way selector valve 2, the indoor heat exchanger 3, the electronic expansion valve 4, the filter 18, the outdoor heat exchanger 5, and the gas-liquid separator 6 in this order to form a heating circuit. And at an extremely low temperature, the second indoor heat exchanger 8 is started to meet the heating requirement of the whole vehicle by adopting electric heating.
The heating operation mode of the system is as follows: high-temperature and high-pressure gaseous refrigerant from the electric compressor 1 enters the indoor heat exchanger 3 through the four-way reversing valve 2, exchanges heat with the passenger compartment through the indoor heat exchanger 3 and is condensed into high-temperature and high-pressure liquid refrigerant, and the heating purpose is achieved. Then, the high-temperature and high-pressure liquid refrigerant is throttled by the electronic expansion valve 4 to become a low-temperature and low-pressure gas-liquid two-phase refrigerant, the low-temperature and low-pressure gas-liquid two-phase refrigerant is sent to the outdoor heat exchanger 5, the low-temperature and low-pressure refrigerant flowing out of the outdoor heat exchanger 5 exchanges heat with the external environment through the outdoor heat exchanger 5, the low-temperature and low-pressure refrigerant enters the gas-liquid separator 6, the low-temperature and low-pressure gas refrigerant separated by the gas-liquid separator 6 returns to the electric compressor 1 to be compressed, and the heating cycle is restarted. The second indoor heat exchanger 8 adopts electric heating to directly heat air, and the heating requirement of the whole vehicle is met.
In the heating mode, when the reading of the temperature sensor 17, the first temperature and pressure sensor 10, the second temperature and pressure sensor 11 or the outdoor heat exchanger temperature sensor 13 exceeds a set limit value, automatic alarm is realized.
In a preferred embodiment of the system, the four-way reversing valve 2 is a ball valve, and compared with a traditional four-way valve, the four-way reversing valve has a better control stability, can be stably controlled under the conditions of bad road conditions and large vehicle bump, and is easy to cause valve plate control failure under the bumpy state. And when the four-way reversing valve 2 is switched to the refrigerating mode, the working state is realized. At this time, the refrigerant flowing out of the compressor outlet enters from the inlet at the bottom and flows out from the left side; the refrigerant that completes the piping cycle enters from the right inlet and exits at the top into the compressor inlet. And when the four-way reversing valve 2 is switched to the heating mode, the working state is realized. At this time, the refrigerant flowing out of the outlet of the compressor 1 enters from the inlet at the bottom and flows out from the right side, and the refrigerant having completed the pipe cycle enters from the inlet at the left side and flows out from the top into the inlet of the compressor 1.
Example 2:
the utility model also discloses an automobile which comprises the air-conditioning heat pump system of the electric automobile in the embodiment 1.
The automobile in the technical scheme comprises the electric automobile air-conditioning heat pump system in any technical scheme of the utility model, so that the electric automobile air-conditioning heat pump system has the full technical effects of the electric automobile air-conditioning heat pump system in any technical scheme of the utility model.
The heat pump is an efficient energy-saving device based on reverse Carnot cycle, and the heat pump absorbs heat from a low-level heat source and transfers the heat to a high-level heat source. The automobile heat pump system absorbs heat from low-temperature air in the external environment and releases heat to the passenger compartment by converting the running flow direction of a refrigerant in the automobile air conditioning system, so that the temperature of the air in the passenger compartment is raised. The air-conditioning heat pump system of the electric automobile realizes heating in a passenger compartment, the consumed electric energy is only used for transferring heat outside the automobile into the automobile, and the energy efficiency ratio of the electric automobile is usually higher than 2.0. The same heating capacity is achieved in principle, the energy consumed by the heat pump system is only half of that of the PTC heater electric heater 5, namely if 4000W of heating heat demand is needed in a passenger compartment, only about 2000W of electric energy needs to be consumed, the driving mileage of the electric vehicle can be improved to a certain extent, and the heat pump system has important significance for the development of electric vehicles. Meanwhile, the system adopts the common refrigeration and heating modes of the indoor heat exchanger and the outdoor heat exchanger, the number of the heat exchangers is reduced, the four-way reversing valve is used for switching modes, the number of valves and the complexity of pipelines are reduced, and compared with the existing heat pump system, the system saves the manufacturing cost of parts.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. An air conditioner heat pump system of an electric automobile, comprising:
a battery;
and an electric compressor (1), an outdoor heat exchanger (5), a first indoor heat exchanger (3) and a second indoor heat exchanger (8) connected with the battery, the outdoor heat exchanger (5) being connected with the first indoor heat exchanger (3);
the electric compressor (1) is respectively connected with the outdoor heat exchanger (5) and the first indoor heat exchanger (3) through a four-way reversing valve (2) so as to be freely switched between a heating mode and a cooling mode;
the electric compressor (1) is connected with the four-way reversing valve (2) through a first connecting pipe (19);
one end of the first connecting pipe (19) is connected with one side of the electric compressor (1), and the other end of the first connecting pipe (19) is connected with an inlet of the four-way reversing valve (2);
the four-way reversing valve (2) is connected with the outdoor heat exchanger (5) through a second connecting pipe (20);
one end of the second connecting pipe (20) is connected with one outlet of the four-way reversing valve (2), and the second connecting pipe (20) is connected with one side of the outdoor heat exchanger (5).
2. An electric vehicle air conditioner heat pump system of claim 1, characterized in that:
and a temperature sensor (17) is arranged on one side of the joint of the second connecting pipe (20) and one side of the outdoor heat exchanger (5).
3. An electric vehicle air conditioner heat pump system of claim 1, characterized in that:
an outdoor heat exchanger fan (7) is installed on the side of the outdoor heat exchanger (5);
and an outdoor heat exchanger temperature sensor (13) is arranged at the other side part of the outdoor heat exchanger (5).
4. An electric vehicle air conditioner heat pump system of claim 1, characterized in that:
the outdoor heat exchanger (5) and the first indoor heat exchanger (3) are connected through a third connecting pipe (21);
one end of the third connecting pipe (21) is connected with the other side of the outdoor heat exchanger (5), and the other end of the third connecting pipe (21) is connected with the first indoor heat exchanger (3).
5. An electric vehicle air conditioner heat pump system of claim 4, characterized in that:
and a filter (18), a first temperature and pressure sensor (10), an electronic expansion valve (4) and a second temperature and pressure sensor (11) are sequentially arranged on the third connecting pipe (21).
6. An electric vehicle air conditioner heat pump system of claim 1, characterized in that:
the first indoor heat exchanger (3) is connected with the four-way reversing valve (2) through a fourth connecting pipe (22);
one end of the fourth connecting pipe (22) is connected with the first indoor heat exchanger (3), and the other end of the fourth connecting pipe (22) is connected with the other inlet of the four-way reversing valve (2).
7. An electric vehicle air conditioner heat pump system of claim 1, characterized in that:
an indoor heat exchanger blower (12), a sunlight sensor (15) and an indoor heat exchanger temperature sensor (9) are mounted on the side of the first indoor heat exchanger (3);
and a PTC temperature sensor (16) and an indoor temperature sensor (14) are arranged on the side part of the second indoor heat exchanger (8).
8. An electric vehicle air conditioner heat pump system of claim 1, characterized in that:
the electric compressor (1) is connected with the four-way reversing valve (2) through a fifth connecting pipe (23), one end of the fifth connecting pipe (23) is connected with one side of the electric compressor (1), and the other end of the fifth connecting pipe (23) is connected with the four-way reversing valve (2).
9. An electric vehicle air conditioner heat pump system of claim 8, characterized in that:
and the fifth connecting pipe (23) is connected with a gas-liquid separator (6).
10. An automobile, characterized by comprising an electric automobile air-conditioning heat pump system as recited in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122029517.1U CN215850630U (en) | 2021-08-26 | 2021-08-26 | Air conditioner heat pump system of electric automobile and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122029517.1U CN215850630U (en) | 2021-08-26 | 2021-08-26 | Air conditioner heat pump system of electric automobile and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN215850630U true CN215850630U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122029517.1U Active CN215850630U (en) | 2021-08-26 | 2021-08-26 | Air conditioner heat pump system of electric automobile and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215850630U (en) |
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2021
- 2021-08-26 CN CN202122029517.1U patent/CN215850630U/en active Active
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