CN217848086U - Power battery cooling circuit and vehicle thereof - Google Patents
Power battery cooling circuit and vehicle thereof Download PDFInfo
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- CN217848086U CN217848086U CN202221732946.3U CN202221732946U CN217848086U CN 217848086 U CN217848086 U CN 217848086U CN 202221732946 U CN202221732946 U CN 202221732946U CN 217848086 U CN217848086 U CN 217848086U
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- cooling
- power battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a power battery cooling circuit and vehicle thereof, power battery cooling circuit include power battery cooling module and the cooling unit through the pipeline intercommunication, still include: a first cooling assembly for cooling the power distribution unit; and a second cooling assembly for cooling the in-vehicle charger; the cooling unit is used for reducing the temperature of a heat exchange medium in the power battery cooling loop, and the second cooling assembly and the first cooling assembly are connected in series in the power battery cooling assembly loop. Through establishing ties first cooling module and second cooling module in power battery cooling module for the heat transfer medium in the power battery cooling module can be for on-vehicle charger and power distribution unit cooling, has avoided increasing the cooling pipeline of front and back automobile body cross-over connection and has come this problem of cooling for on-vehicle charger and power distribution unit, has reduced the cooling pipeline in the whole car.
Description
Technical Field
The utility model belongs to the technical field of vehicle equipment and specifically relates to a power battery cooling circuit and vehicle thereof is related to.
Background
The power battery of the electric automobile can release certain heat when charging and discharging, so the power battery needs to be cooled, therefore, the power battery adopts a cooling system to cool the power battery, the better working temperature of the power battery is kept, the operation efficiency is improved, and the service life of the power battery is prolonged.
In the existing design idea, a cooling circuit of a high-voltage power battery of an electric automobile is mutually independent from a PDU (power distribution unit)/OBC (on-board charger) cooling circuit of the whole automobile, when the PDU/OBC needs to be arranged at the rear part of the whole automobile, the PDU/OBC cooling requirements can be met only by increasing cooling pipelines before and after bridging, the number of pipelines of the whole automobile is large, and the pipeline avoiding difficulty is large.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power battery cooling circuit and vehicle thereof to among the solution prior art, whole car cooling line is in large quantity, the pipeline dodges the big technical problem of the degree of difficulty.
The utility model discloses the first aspect provides a power battery cooling circuit, include power battery cooling module and the cooling unit through the pipeline intercommunication, still include:
a first cooling assembly for cooling the power distribution unit;
and a second cooling assembly for cooling the in-vehicle charger;
the cooling unit is used for reducing the temperature of a heat exchange medium in the power battery cooling loop, and the second cooling assembly and the first cooling assembly are connected in series in the power battery cooling assembly.
In this scheme, heat transfer medium passes through the pipeline and gets into power battery cooling module, carry out the heat exchange with power battery and absorb the heat that power battery distributed, heat transfer medium after the heat absorption gets into the cooling unit through the pipeline and cools down, then get into power battery cooling module and circulate the cooling, second cooling module and first cooling module are through establishing ties in power battery cooling module simultaneously, make heat transfer medium in the first cooling module also can get into second cooling module and first cooling module, use this to cool down for on-vehicle charger and power distribution unit, through the mode of establishing ties, the cooling line of automobile body cross-over comes for on-vehicle charger and power distribution unit cooling this problem around having avoided increasing, the cooling pipeline in the whole car has been reduced.
In a further aspect of the present invention, the cooling unit includes a heat exchanger for exchanging heat with an air conditioner cooling circuit.
In this scheme, through setting up the cooling unit into heat exchanger, can be so that heat exchanger can carry out direct heat transfer with air conditioner cooling circuit for power battery cooling circuit need not additionally to install radiator unit and solves the problem of heat transfer medium cooling, has practiced thrift the space in the car.
The utility model discloses an among the further scheme, power battery cooling circuit still includes the water pump for heat transfer medium flows among the drive power battery cooling circuit, and the water pump is located on the pipeline of power battery cooling module and cooling unit intercommunication.
In the scheme, the water pump is arranged, so that the heat exchange medium in the power battery cooling loop can be driven to flow according to actual requirements, namely when the cooling requirement of any one part of the power battery, the vehicle-mounted charger and the power distribution unit in the automobile is high, the flowing speed of the heat exchange medium flowing in the power battery cooling loop can be increased by controlling the rotating speed of the water pump and increasing the flowing speed of the heat exchange medium, and the heat dissipation speed of the power battery, the vehicle-mounted charger and the power distribution unit can be increased by increasing the flowing speed of the heat exchange medium; when the heat dissipation demand is low, can reduce the water pump rotational speed, and then can realize energy-conserving effect.
The utility model discloses a in the further scheme, power battery cooling circuit still includes the expansion tank, and the expansion tank is arranged in compensating power battery cooling circuit heat transfer medium's breathing volume, and the pipeline of water pump and cooling unit intercommunication is located to the expansion tank.
In this scheme, the heat transfer medium among the power battery cooling circuit is after the cooling unit cooling, and the volume can reduce by the expend with heat and contract with cold influence, can compensate the volume of expanding and contracting of heat transfer medium among the power battery cooling circuit through the expansion tank, avoids heat transfer medium to spill over, has improved power battery cooling circuit's stability.
In a further aspect of the present invention, the power battery cooling module includes:
the cooling pipeline is laid on the power battery to cool the power battery;
the power battery cooling assembly is communicated with the water outlet end of the cooling unit through the water inlet;
and the power battery cooling assembly is communicated with the water inlet end of the cooling unit through the water outlet.
In this scheme, power battery cooling module communicates the cooling unit respectively through water inlet and delivery port, and in heat transfer medium passed through the water inlet entering cooling pipeline, heat transfer medium absorbed the heat that power battery distributed out in cooling pipeline, and rethread delivery port gets into the cooling unit and accomplishes cooling cycle.
In a further aspect of the present invention, the power battery cooling module further includes: and the water inlet end of the water outlet pipeline is connected with the water outlet end of the cooling pipeline, and the water outlet is arranged at the water outlet end of the water outlet pipeline.
The utility model discloses a in the further scheme, be equipped with the water supply mouth on cooling line's the play water end, outlet conduit's the end of intaking is equipped with the return water mouth, and the water supply mouth passes through the pipeline and connects first cooling module and second cooling module's the end of intaking respectively, and the return water mouth passes through the outlet end that the pipeline connected first cooling module and second cooling module respectively.
In this scheme, through the water supply mouth, can make the heat transfer medium in the cooling pipeline get into first cooling module and second cooling module, and then lower the temperature for power distribution unit and on-vehicle charger, rethread return water mouth gets into outlet conduit to realize heat transfer medium at first cooling module and second cooling module's flow.
The utility model discloses a further scheme is in, the cooling line includes many cooling tube, and cooling tube is used for laying in power battery's cooling bath with cooling power battery, and the cooling tube both ends communicate water inlet and supply port respectively.
In a further aspect of the present invention, the cooling pipe is covered with a cooling plate, and the cooling plate is used for limiting the cooling pipe.
In this scheme, cover the cooling tube way through the cooling plate and can spacing cooling tube for cooling tube and power battery interference fit can ensure the abundant heat transfer of heat transfer medium and power battery in the cooling tube way.
The utility model discloses the second aspect provides a vehicle, and the vehicle includes the utility model discloses the first aspect provides a power battery cooling circuit.
Compared with the prior art, the utility model discloses following beneficial effect has:
the heat exchange medium enters the power battery cooling assembly through the pipeline, exchanges heat with the power battery to absorb heat emitted by the power battery, enters the cooling unit through the pipeline to cool, and then enters the power battery cooling assembly to perform circulating cooling.
The second cooling assembly and the first cooling assembly are connected in series in the power battery cooling assembly, so that the heat exchange medium in the first cooling assembly can also enter the second cooling assembly and the first cooling assembly, and the temperature of the vehicle-mounted charger and the power distribution unit is reduced.
Through establishing ties the mode on first cooling component with second cooling component and first cooling component, avoided increasing the cooling pipeline of front and back automobile body cross-over connection and come this problem of cooling down alone for on-vehicle charger and power distribution unit, reduced the cooling pipeline in the whole car.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power battery cooling circuit according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power battery cooling assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a vehicle according to an embodiment of the present invention.
Reference numerals
1. A vehicle; 10. A power cell cooling circuit;
100. a cooling unit; 200. An expansion tank;
300. a water pump; 400. A power battery cooling assembly;
500. a first cooling assembly; 600. A second cooling assembly;
700. an air conditioning cooling circuit; 401. A water outlet;
402. a water inlet; 403. A cooling duct;
404. a water outlet pipeline; 405. A water supply port;
406. a water return port; 800. And a power battery.
Detailed Description
In order to make the above and other features and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting.
In the description of the present invention, it is to be understood that the terms "center", "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, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean 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.
To the prior art, the utility model provides a general design is solved among the prior art vehicle cooling pipeline in large quantity, dodge the big scheduling problem of the degree of difficulty, in general design, through establishing ties first cooling module 500 and second cooling module 600 on power battery cooling module 400, the cooling pipeline of automobile body cross-over connection comes for this problem of cooling down alone vehicle charger and power distribution unit around having avoided needing to increase, has reduced the interior pipeline that is used for the cooling of whole car.
Referring to fig. 1-2, a first aspect of the present invention provides a power battery cooling circuit 10, including a power battery cooling assembly 400 and a cooling unit 100 communicated with each other through a pipeline, further including:
a first cooling assembly 500 for cooling the power distribution unit;
and a second cooling module 600 for cooling the in-vehicle charger;
the cooling unit 100 is used for reducing the temperature of a heat exchange medium in the power battery cooling circuit 10, and the second cooling assembly 600 and the first cooling assembly 500 are connected in series to the power battery cooling assembly 400.
It can be understood that the power battery 800 is a power source for providing power for the tool, and in the present invention, refers to a battery for providing energy for the electric vehicle, and the power battery cooling assembly 400 is an assembly for cooling the power battery 800; the cooling unit 100 refers to a device that lowers the temperature of the heat exchange medium in the power battery cooling circuit 10; the vehicle-mounted charger is a charger which is powered by a power battery 800 in an automobile conventionally; the first cooling module 500 and the second cooling module 600 may implement a cooling function in the form of a heat exchange pipeline, for example, the first cooling module 500 implements cooling by laying the heat exchange pipeline on the power distribution unit and absorbing heat emitted by the power distribution unit through a heat exchange medium in the heat exchange pipeline.
In this scheme, heat transfer medium gets into power battery cooling module 400 through the pipeline, carry out heat exchange with power battery 800 and absorb the heat that power battery 800 distributed, heat transfer medium after the heat absorption gets into cooling unit 100 through the pipeline and cools down, then get into power battery cooling module 400 and circulate and cool down, second cooling module 600 passes through power battery cooling module 400 with first cooling module 500 simultaneously, make heat transfer medium in first cooling module 500 also can get into second cooling module 600 and first cooling module 500, with this for the cooling of on-vehicle charger and power distribution unit, through the mode of establishing ties, the cooling of automobile body cross-over connection around having avoided needing to increase is used the pipeline for the on-vehicle charger and the cooling of power distribution unit, the pipeline that is used for cooling in the whole car has been reduced.
The structure of the present invention is further illustrated by the following examples:
in a further aspect of the present invention, the cooling unit 100 includes a heat exchanger for exchanging heat with the air conditioner cooling circuit 700.
In this scheme, through setting up cooling unit 100 as heat exchanger, can make heat exchanger can carry out direct heat transfer with air conditioner cooling circuit 700 for power battery cooling circuit 10 need not additionally to install radiator unit and solves the problem of heat transfer medium cooling, has practiced thrift the space in the car.
In an alternative embodiment (not shown in the present embodiment) of the cooling unit 100, the cooling unit 100 includes a compressor, a condenser, and a receiver-drier, which are sequentially connected through a pipeline; the compressor is arranged at the front end of the automobile engine and driven by a belt on the periphery of the engine, and is used for changing the pressure of the heat exchange medium in the power battery cooling loop 10, establishing a refrigeration precondition and helping the heat exchange medium to circulate in the power battery cooling loop 10; the liquid storage dryer absorbs moisture, stores the refrigerant and filters impurities; the condenser is used for cooling the high-temperature and high-pressure heat exchange medium or cooling and liquefying the gasified heat exchange medium.
In the further scheme of the utility model, power battery cooling circuit 10 still includes water pump 300 for heat transfer medium flows in the drive power battery cooling circuit 10, and water pump 300 is located on the pipeline that power battery cooling assembly 400 and cooling unit 100 communicate.
In the scheme, the water pump 300 is arranged, so that the heat exchange medium in the power battery cooling loop 10 can be driven to flow according to actual requirements, namely when the cooling requirement of any one part of the power battery 800, the vehicle-mounted charger and the power distribution unit in the automobile is high, the rotating speed of the water pump 300 can be controlled, the flowing speed of the heat exchange medium flowing in the power battery cooling loop 10 can be increased by increasing the rotating speed, and the heat dissipation speed of the power battery 800, the vehicle-mounted charger and the power distribution unit can be increased by increasing the flowing speed of the heat exchange medium; when the heat dissipation demand is low, the rotating speed of the water pump 300 can be reduced, and then the energy-saving effect can be achieved.
The utility model discloses a in the further scheme, power battery cooling circuit 10 still includes expansion tank 200, and expansion tank 200 is arranged in compensating power battery cooling circuit 10 heat transfer medium's the volume of breathing out, and expansion tank 200 locates on the pipeline of water pump 300 and cooling unit 100 intercommunication.
In this scheme, after the heat transfer medium in power battery cooling circuit 10 is cooled by cooling unit 100, the volume affected by thermal expansion and cold contraction can be reduced, the expansion and contraction amount of the heat transfer medium in power battery cooling circuit 10 can be compensated through expansion tank 200, the overflow of the heat transfer medium is avoided, and the stability of power battery cooling circuit 10 is improved.
With continued reference to fig. 2, in a further aspect of the present invention, the power battery cooling assembly 400 includes:
cooling piping (not shown) for laying on the power battery 800 to cool the power battery 800;
a water inlet 402, through which the power battery cooling assembly 400 is communicated with the water outlet end of the cooling unit 100;
and a water outlet 401, wherein the power battery cooling assembly 400 is communicated with the water inlet end of the cooling unit 100 through the water outlet 401.
In this scheme, power battery cooling module 400 communicates with cooling unit 100 through water inlet 402 and delivery port 401 respectively, and heat transfer medium gets into the cooling tube through water inlet 402 in, and heat transfer medium absorbs the heat that power battery 800 distributed in the cooling tube, and rethread delivery port 401 gets into cooling unit 100 and accomplishes the cooling cycle.
In a further aspect of the present invention, the power battery cooling assembly 400 further includes: and the water inlet end of the water outlet pipeline 404 is connected with the water outlet end of the cooling pipeline, and the water outlet 401 is arranged at the water outlet end of the water outlet pipeline 404.
In an alternative to the outlet conduit 404, the outlet conduit 404 may be laid on the power battery 800 or installed in another location in the vehicle.
In the further scheme of the utility model (not shown in this scheme picture), the play water of cooling line serves and is equipped with water supply port 405, and the end of intaking of outlet conduit 404 is equipped with return water mouth 406, and water supply port 405 passes through the pipeline and connects the end of intaking first cooling module 500 and second cooling module 600 respectively, and return water mouth 406 passes through the pipeline and connects the play water end of first cooling module 500 and second cooling module 600 respectively.
In the connection mode between the first cooling module 500 and the second cooling module 600, the present invention provides an alternative solution, referring to fig. 1 and fig. 2, wherein the water inlet end of the first cooling module 500 is communicated with the water supply port; the water outlet end of the first cooling assembly 500 is communicated with the water inlet end of the second cooling assembly 600; the water outlet end of the second cooling assembly 600 is communicated with the water return port 406.
In this scheme, through water supply port 405, can make the heat transfer medium in the cooling pipeline get into first cooling module 500 and second cooling module 600, and then cool down for power distribution unit and on-vehicle charger, rethread return water mouth 406 gets into outlet conduit 404 to realize the flow of heat transfer medium at first cooling module 500 and second cooling module 600.
In a further aspect of the present invention, the cooling pipeline includes a plurality of cooling pipes 403, the cooling pipes 403 are used for laying the cooling tank of the power battery 800 to cool the power battery 800, and the two ends of the cooling pipes 403 are respectively connected to the water inlet 402 and the water supply port 405.
In a further aspect of the present invention, the cooling pipeline is covered with a cooling plate (not shown in the figure), and the cooling plate is used for limiting the cooling pipeline 403.
In this scheme, cover cooling pipeline 403 through the cooling plate and can spacing for cooling pipeline 403 and power battery 800 interference fit can ensure the heat transfer medium in cooling pipeline 403 and the abundant heat transfer of power battery 800.
As shown in fig. 3, a second aspect of the present invention provides a vehicle 1, where the vehicle 1 includes a power battery cooling circuit 10 provided by the first aspect of the present invention.
Further, it should be understood by those skilled in the art that if the power battery cooling circuit 10 and the vehicle 1 thereof provided by the embodiment of the present invention are provided, all or part of the sub-modules involved are combined and replaced by fusing, simple change, mutual change, etc., for example, each component is placed in a moving position; or the products formed by the components are integrally arranged; or a detachable design; any combined component can form a device/apparatus/system with specific function, and such a device/apparatus/system is used to replace the corresponding component in the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a power battery cooling circuit, includes power battery cooling module and the cooling unit through the pipeline intercommunication, its characterized in that still includes:
a first cooling assembly for cooling the power distribution unit;
and a second cooling assembly for cooling the in-vehicle charger;
the cooling unit is used for reducing the temperature of a heat exchange medium in the power battery cooling loop, and the second cooling assembly and the first cooling assembly are connected in series in the power battery cooling assembly.
2. The power battery cooling circuit according to claim 1, wherein: the cooling unit comprises a heat exchanger for exchanging heat with an air conditioner cooling circuit.
3. The power battery cooling circuit of claim 1, wherein: the power battery cooling loop further comprises a water pump, the water pump is used for driving the heat exchange medium in the power battery cooling loop to flow, and the water pump is arranged on a pipeline communicated with the power battery cooling assembly and the cooling unit.
4. A power battery cooling circuit according to claim 3, wherein: the power battery cooling loop further comprises an expansion tank, the expansion tank is used for compensating the expansion and contraction amount of a heat exchange medium in the power battery cooling loop, and the expansion tank is arranged on a pipeline communicated with the cooling unit and the water pump.
5. A power cell cooling circuit according to any one of claims 1-4, wherein: the power battery cooling assembly comprises:
the cooling pipeline is laid on the power battery to cool the power battery;
the power battery cooling assembly is communicated with the water outlet end of the cooling unit through the water inlet;
and the power battery cooling assembly is communicated with the water inlet end of the cooling unit through the water outlet.
6. The power battery cooling circuit of claim 5, wherein: the power battery cooling assembly further comprises: and the water inlet end of the water outlet pipeline is connected with the water outlet end of the cooling pipeline, and the water outlet is arranged on the water outlet end of the water outlet pipeline.
7. The power battery cooling circuit of claim 6, wherein: the water outlet end of the cooling pipeline is provided with a water supply port, the water inlet end of the water outlet pipeline is provided with a water return port, the water supply port is connected with the water inlet end of the first cooling assembly and the water inlet end of the second cooling assembly through pipelines respectively, and the water return port is connected with the water outlet end of the first cooling assembly and the water outlet end of the second cooling assembly through pipelines respectively.
8. The power battery cooling circuit of claim 7, wherein: the cooling pipeline comprises a plurality of cooling pipelines, the cooling pipelines are used for being laid in a cooling groove of the power battery to cool the power battery, and two ends of each cooling pipeline are communicated with the water inlet and the water supply port respectively.
9. The power battery cooling circuit of claim 8, wherein: the cooling pipeline is covered with a cooling plate, and the cooling plate is used for limiting the cooling pipeline.
10. A vehicle, characterized in that: the vehicle comprising a power cell cooling circuit according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221732946.3U CN217848086U (en) | 2022-07-05 | 2022-07-05 | Power battery cooling circuit and vehicle thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221732946.3U CN217848086U (en) | 2022-07-05 | 2022-07-05 | Power battery cooling circuit and vehicle thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217848086U true CN217848086U (en) | 2022-11-18 |
Family
ID=84034161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221732946.3U Active CN217848086U (en) | 2022-07-05 | 2022-07-05 | Power battery cooling circuit and vehicle thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217848086U (en) |
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2022
- 2022-07-05 CN CN202221732946.3U patent/CN217848086U/en active Active
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