CN211404684U - Liquid cooling system and electric automobile - Google Patents
Liquid cooling system and electric automobile Download PDFInfo
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- CN211404684U CN211404684U CN202020045990.1U CN202020045990U CN211404684U CN 211404684 U CN211404684 U CN 211404684U CN 202020045990 U CN202020045990 U CN 202020045990U CN 211404684 U CN211404684 U CN 211404684U
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- heat exchanger
- liquid
- stop valve
- cooling system
- water pump
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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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- 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
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Abstract
The utility model relates to a liquid cooling system and an electric automobile comprising the same, wherein the liquid cooling system comprises a stop valve, a water pump and a liquid supplementing box, and the stop valve is communicated with the water pump and forms a complete loop; the upper end of fluid infusion case is equipped with the blast pipe, and the lower extreme of fluid infusion case is equipped with the liquid outlet, and the feed liquor end intercommunication of first tee bend and stop valve is passed through to the blast pipe, and the liquid outlet passes through the liquid outlet end intercommunication of second tee bend and stop valve to make fluid infusion case and stop valve parallelly connected, and the fluid infusion case establishes ties with the water pump. The liquid cooling system only needs to close the stop valve in the starting state of the water pump, at the moment, the water pump can extract cooling liquid from the liquid supplementing box connected with the stop valve in parallel, and meanwhile, air in the liquid cooling system can be discharged to the upper end of the liquid supplementing box through the exhaust pipe. The liquid cooling system can conveniently realize the supplement and exhaust of the cooling liquid.
Description
Technical Field
The utility model relates to a liquid cooling technical field that adjusts the temperature especially relates to a liquid cooling system and electric automobile.
Background
Pure [ electric ] motor coach need use a large amount of group batteries as the power supply, and the group battery can emit very big heat when charging or during operation, will use the liquid cooling system to dispel the heat, ensures that the group battery normally works, improves group battery life. The liquid cooling system can be integrated to the bus air conditioner, so that when the liquid cooling system works, cooling liquid is conveyed to the plate heat exchanger through the water pump to be subjected to cold and heat exchange with air conditioner refrigerants, and the purpose of heat dissipation is achieved.
After the liquid cooling system is operated for a period of time, the cooling liquid is consumed, and therefore the operations of supplementing the cooling liquid and exhausting the cooling liquid are needed. However, the conventional liquid cooling system has difficulty in replenishing and exhausting the cooling liquid.
SUMMERY OF THE UTILITY MODEL
Therefore, a liquid cooling system which can conveniently realize the supplement and exhaust of the cooling liquid is needed.
In addition, it is necessary to provide an electric vehicle including the liquid cooling system.
A liquid cooling system comprises a stop valve, a water pump and a liquid supplementing tank, wherein the stop valve is communicated with the water pump and forms a complete loop;
the utility model discloses a stop valve, including fluid infusion case, stop valve, liquid pump, liquid infusion case, exhaust pipe, first tee bend, second tee bend, liquid outlet, liquid infusion case is used for saving the coolant liquid, the upper end of fluid infusion case is equipped with the blast pipe, the lower extreme of fluid infusion case is equipped with the liquid outlet, the blast pipe through first tee bend with the feed liquor end intercommunication of stop valve, the liquid outlet through the second tee bend with the play liquid end intercommunication of stop valve, thereby make fluid infusion case.
An electric automobile comprises a battery pack and the liquid cooling system.
When the liquid cooling system needs to supplement cooling liquid and exhaust, the stop valve only needs to be closed in the starting state of the water pump, the water pump can extract the cooling liquid from the liquid supplementing box connected with the stop valve in parallel, meanwhile, air in the liquid cooling system can be discharged to the upper end of the liquid supplementing box through the exhaust pipe, and after the cooling liquid in the liquid cooling system is supplemented, the normal liquid cooling work can be carried out only by opening the stop valve. The liquid cooling system can conveniently realize the supplement and exhaust of the cooling liquid.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
fig. 1 is a schematic diagram of a liquid cooling system according to an embodiment.
Fig. 2 is a schematic diagram of a liquid cooling system according to another embodiment.
Fig. 3 is a schematic diagram of a liquid cooling system according to yet another embodiment.
Fig. 4 is a schematic diagram of a liquid cooling system according to still another embodiment.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the following detailed description. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The liquid cooling system 100 of one embodiment shown in fig. 1 includes a first heat exchanger 110, a second heat exchanger 120, a shut-off valve 130, a water pump 140, and a fluid replenishment tank 150.
The first heat exchanger 110 is used to absorb heat. For example, the first heat exchanger 110 may be used to absorb heat generated when the battery pack is operated.
The second heat exchanger 120 is used to release heat. Specifically, the second heat exchanger 120 is used to release the heat absorbed by the first heat exchanger 110.
The first heat exchanger 110, the second heat exchanger 120, the shut-off valve 130, and the water pump 140 communicate and form a complete circuit.
In other embodiments, the liquid cooling system 100 may perform heat dissipation in other manners (e.g., directly dissipating heat through pipes). In this embodiment, the shut-off valve 130 and the water pump 140 are in communication and form a complete circuit.
Liquid supplementing box 150 is used for storing the coolant liquid, and the upper end of liquid supplementing box 150 is equipped with blast pipe 152, and the lower extreme of liquid supplementing box 150 is equipped with liquid outlet 154, and blast pipe 152 is through the feed liquor end intercommunication of first tee bend 160 with stop valve 130, and liquid outlet 154 is through the liquid outlet intercommunication of second tee bend 170 with stop valve 130 to make liquid supplementing box 150 and stop valve 130 parallelly connected, and liquid supplementing box 150 and water pump 140 establish ties.
When the liquid cooling system 100 needs to be replenished with the cooling liquid and exhausted, the stop valve 130 is only required to be closed in a state that the water pump 140 is started, at this time, the water pump 140 draws the cooling liquid from the liquid replenishing tank 150 connected in parallel with the stop valve 130, and simultaneously, the air in the liquid cooling system 100 is exhausted to the upper end of the liquid replenishing tank through the exhaust pipe 152.
When the liquid cooling system 100 is filled with the cooling liquid, the stop valve 130 is opened to perform normal liquid cooling operation.
The liquid cooling system can conveniently realize the supplement and exhaust of the cooling liquid.
Preferably, in the present embodiment, the first heat exchanger 110, the second heat exchanger 120, the stop valve 130, and the water pump 140 are connected in this order in the flow direction of the coolant, and the second three-way pipe 170 is provided between the stop valve 130 and the water pump 140.
This arrangement allows water pump 140 to be located as close as possible to outlet 154 of makeup tank 150, thereby allowing water pump 140 to more easily pump the coolant.
In other embodiments, the water pump 140 may be disposed at other positions, for example, the water pump 140 is disposed between the first heat exchanger 110 and the second heat exchanger 120, and the liquid cooling system 100 may also operate, but the operating pressure of the water pump 140 may be higher when the cooling liquid is replenished.
Preferably, the first tee 160 is disposed between the first heat exchanger 110 and the second heat exchanger 120 such that the first heat exchanger 110, the fluid replacement tank 150, and the water pump 140 form a complete circuit.
The first heat exchanger 110, the fluid replacement tank 150 and the water pump 140 form a complete circuit, and the operating pressure of the water pump 140 is further reduced.
In this embodiment, the stop valve 130 is a screw type stop valve installed by a pipe joint nut, a pier type stop valve installed by a throat band, or a welded copper stop valve welded to a pipeline by a copper pipe.
The scheme that the threaded stop valve is fixed on the pipeline through the pipe joint nut is complex in structure, easy to leak and highest in cost.
The scheme that the pier-mouth type stop valve is fixed on the pipeline through the hose clamp is simple, easy to leak and low in cost.
The welded copper stop valve is firm and reliable, does not leak and has higher cost.
Referring to the drawings, in the present embodiment, the first heat exchanger 110 is a coiled heat exchanger 110, the second heat exchanger 120 is a plate heat exchanger 120, and the coolant flows into the hot end of the plate heat exchanger 120.
The cold end of the plate heat exchanger 120 is fed with a cooling medium, which carries away the heat in the liquid cooling system.
Referring to the drawings, in the present embodiment, the exhaust pipe 152 is disposed at the top end of the fluid infusion tank 150, the top end of the fluid infusion tank 150 is further provided with a fluid inlet 156, and the cooling fluid is water containing ethylene glycol.
In the liquid cooling system 100 of the present embodiment, the number of the first heat exchanger 110, the shutoff valve 130, and the water pump 140 may be 1, 2, or more, and 1 second heat exchanger 120 and 1 replenishment tank 150 may be shared.
This allows the liquid cooling system 100 to dissipate heat from multiple heat sources at the same time.
Another embodiment of a liquid cooling system 200, as shown in fig. 2, includes a first heat exchanger 210, a second heat exchanger 220, a shut-off valve 230, a water pump 240, a fluid replacement tank 250, and an exhaust valve 260.
The first heat exchanger 210 is used to absorb heat. For example, the first heat exchanger 210 may be used to absorb heat generated when the battery pack is operated.
The second heat exchanger 220 is used to release heat. Specifically, the second heat exchanger 220 is used to release the heat absorbed by the first heat exchanger 210.
The first heat exchanger 210, the exhaust valve 260, the second heat exchanger 220, the shut valve 230, and the water pump 240 communicate and form a complete circuit.
The liquid supplementing tank 250 is used for storing cooling liquid, an exhaust pipe 252 is arranged at the upper end of the liquid supplementing tank 250, a liquid outlet 254 is arranged at the lower end of the liquid supplementing tank 250, the exhaust pipe 252 is communicated with the liquid inlet end of the stop valve 230 through a first tee joint 270, and the liquid outlet 254 is communicated with the liquid outlet end of the stop valve 230 through a second tee joint 280, so that the liquid supplementing tank 250 and the stop valve 230 are connected in parallel, and the liquid supplementing tank 250 is connected with the water pump 240 in series.
When the liquid cooling system 200 needs to be replenished with the cooling liquid and exhausted, the stop valve 230 is only required to be closed in a state that the water pump 240 is started, at this time, the water pump 240 draws the cooling liquid from the liquid replenishing tank 250 connected in parallel with the stop valve 230, and simultaneously, air in the liquid cooling system 200 is exhausted to the upper end of the liquid replenishing tank through the exhaust pipe 252.
After the cooling liquid in the liquid cooling system 200 is filled, normal liquid cooling operation can be performed only by opening the stop valve 230, and at this time, a small amount of air remaining in the liquid cooling system 200 can be discharged through the exhaust valve 260.
The liquid cooling system can conveniently realize the supplement and exhaust of the cooling liquid.
Preferably, in the present embodiment, the first heat exchanger 210, the second heat exchanger 220, the exhaust valve 260, the stop valve 230, and the water pump 240 are connected in this order in the flow direction of the coolant, and the second three-way valve 280 is provided between the stop valve 230 and the water pump 240.
This arrangement allows water pump 240 to be located as close as possible to outlet 254 of makeup tank 250, thereby allowing water pump 240 to more easily pump coolant.
In other embodiments, the water pump 240 may be disposed at other positions, for example, the water pump 240 may be disposed between the first heat exchanger 210 and the second heat exchanger 220, and the liquid cooling system 200 may also operate, but the water pump 240 may operate under a higher pressure when the cooling liquid is replenished.
In this embodiment, the first tee 270 is disposed between the second heat exchanger 220 and the exhaust valve 260, so that the first heat exchanger 210, the exhaust valve 260, the fluid supplement tank 250, and the water pump 240 form a complete circuit.
In this embodiment, the stop valve 230 is a screw type stop valve installed by a pipe joint nut, a pier type stop valve installed by a throat band, or a welded copper stop valve welded to a pipeline by a copper pipe.
The scheme that the threaded stop valve is fixed on the pipeline through the pipe joint nut is complex in structure, easy to leak and highest in cost.
The scheme that the pier-mouth type stop valve is fixed on the pipeline through the hose clamp is simple, easy to leak and low in cost.
The welded copper stop valve is firm and reliable, does not leak and has higher cost.
Referring to the drawings, in the present embodiment, the first heat exchanger 210 is a coil heat exchanger 210, the second heat exchanger 220 is a plate heat exchanger 220, and the coolant flows into the hot end of the plate heat exchanger 220.
The cold side of the plate heat exchanger 220 is fed with a cooling medium, which removes heat from the liquid cooling system.
Referring to the drawings, in the present embodiment, the exhaust pipe 252 is disposed at the top end of the fluid infusion tank 250, the top end of the fluid infusion tank 250 is further provided with a fluid inlet 256, and the coolant is water containing ethylene glycol.
In the liquid cooling system 200 of the present embodiment, the number of the first heat exchanger 210, the water pump 240, and the exhaust valve 260 may be 1, 2, or more, and 1 second heat exchanger 220, 1 fluid replenishing tank 250, and 1 stop valve 230 may be shared.
This allows the liquid cooling system 200 to dissipate heat from multiple heat sources simultaneously.
In connection with the liquid cooling system 200 'of the further embodiment shown in fig. 3, the liquid cooling system 200' and the liquid cooling system 200 are substantially identical, differing only in the number of components.
Specifically, the number of the first heat exchanger 210 ', the stop valve 230', and the water pump 240 'may be 2, and 1 second heat exchanger 220', 1 fluid replenishing tank 250 ', and 1 exhaust valve 260' may be shared.
A liquid cooling system 300, as shown in fig. 4, in accordance with yet another embodiment, includes a first heat exchanger 310, a second heat exchanger 320, a shut-off valve 330, a water pump 340, a fluid replacement tank 350, and an exhaust valve 360.
The first heat exchanger 310 is used to absorb heat. For example, the first heat exchanger 310 may be used to absorb heat generated when the battery pack is operated.
The second heat exchanger 320 is used to release heat. Specifically, the second heat exchanger 320 serves to release heat absorbed by the first heat exchanger 310.
The first heat exchanger 310, the exhaust valve 360, the second heat exchanger 320, the shut-off valve 330, and the water pump 340 communicate and form a complete circuit.
Liquid supplementing tank 350 is used for storing cooling liquid, an exhaust pipe 352 is arranged at the upper end of liquid supplementing tank 350, a liquid outlet 354 is arranged at the lower end of liquid supplementing tank 350, exhaust pipe 352 is communicated with the liquid inlet end of stop valve 330 through a first tee joint 370, and liquid outlet 354 is communicated with the liquid outlet end of stop valve 330 through a second tee joint 380, so that liquid supplementing tank 350 and stop valve 330 are connected in parallel, and liquid supplementing tank 350 is connected with water pump 340 in series.
When the liquid cooling system 300 needs to be replenished with the cooling liquid and exhausted, the stop valve 330 only needs to be closed in a state that the water pump 340 is started, at the moment, the water pump 340 can draw the cooling liquid from the liquid replenishing tank 350 which is connected with the stop valve 330 in parallel, and meanwhile, air in the liquid cooling system 300 can be exhausted to the upper end of the liquid replenishing tank through the exhaust pipe 352.
After the cooling liquid in the liquid cooling system 300 is filled, normal liquid cooling operation can be performed only by opening the stop valve 330, and at this time, a small amount of air remained in the liquid cooling system 300 can be discharged through the exhaust valve 360.
The liquid cooling system can conveniently realize the supplement and exhaust of the cooling liquid.
Preferably, in the present embodiment, the first heat exchanger 310, the second heat exchanger 320, the exhaust valve 360, the stop valve 330, and the water pump 340 are connected in order in the flow direction of the coolant, and the second three-way valve 380 is provided between the stop valve 330 and the water pump 340.
This arrangement allows water pump 340 to be as close as possible to outlet port 354 of makeup tank 350, thereby allowing water pump 340 to more easily pump the coolant.
In other embodiments, the water pump 340 may be disposed at other positions, for example, the water pump 340 is disposed between the first heat exchanger 310 and the second heat exchanger 320, and the liquid cooling system 300 may also operate, but the water pump 340 may operate under a higher pressure when the cooling liquid is replenished.
In the present embodiment, the first tee joint 370 is disposed between the second heat exchanger 320 and the shut-off valve 330, so that the first heat exchanger 310, the exhaust valve 360, the second heat exchanger 320, the fluid replacement tank 350, and the water pump 340 form a complete circuit.
In this embodiment, the stop valve 330 is a screw type stop valve installed by a pipe joint nut, a pier mouth type stop valve installed by a throat hoop, or a welded copper stop valve welded to a pipeline by a copper pipe.
The scheme that the threaded stop valve is fixed on the pipeline through the pipe joint nut is complex in structure, easy to leak and highest in cost.
The scheme that the pier-mouth type stop valve is fixed on the pipeline through the hose clamp is simple, easy to leak and low in cost.
The welded copper stop valve is firm and reliable, does not leak and has higher cost.
Referring to the drawings, in the present embodiment, the first heat exchanger 310 is a coiled heat exchanger 310, the second heat exchanger 320 is a plate heat exchanger 320, and the coolant flows into the hot end of the plate heat exchanger 320.
The cold end of the plate heat exchanger 320 is fed with a cooling medium to remove heat from the liquid cooling system.
Referring to the drawings, in the present embodiment, the exhaust pipe 352 is disposed at the top end of the fluid infusion tank 350, the top end of the fluid infusion tank 350 is further provided with a fluid inlet 356, and the cooling fluid is water containing ethylene glycol.
In the liquid cooling system 300 of the present embodiment, the number of the first heat exchanger 310, the stop valve 330, and the water pump 340 may be 1, 2, or more, and 1 second heat exchanger 320, 1 fluid replenishing tank 350, and 1 exhaust valve 360 may be used in common.
This allows the liquid cooling system 300 to dissipate heat from a plurality of heat sources at the same time.
The liquid cooling system 100(200, 200', 300) can be applied to various scenarios, and will be described below only by way of example of the application thereof to an electric vehicle.
The application discloses an electric automobile of embodiment, including the group battery and the aforesaid liquid cooling system 100(200, 200 ', 300), first heat exchanger 110(210, 210', 310) is used for absorbing the heat that the group battery produced.
The electric vehicle of the present embodiment further includes an air conditioning system, the second heat exchanger 120(220, 220 ', 320) is a plate heat exchanger 120(220, 220 ', 320), an air conditioning refrigerant in the air conditioning system flows into a cold end of the plate heat exchanger 120(220, 220 ', 320), a coolant flows into a hot end of the plate heat exchanger 120(220, 220 ', 320), and the liquid cooling system 100(200, 200 ', 300) absorbs heat generated by the battery pack and then releases the heat through the air conditioning system.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The liquid cooling system is characterized by comprising a stop valve, a water pump and a liquid supplementing tank, wherein the stop valve is communicated with the water pump and forms a complete loop;
the utility model discloses a stop valve, including fluid infusion case, stop valve, liquid pump, liquid infusion case, exhaust pipe, first tee bend, second tee bend, liquid outlet, liquid infusion case is used for saving the coolant liquid, the upper end of fluid infusion case is equipped with the blast pipe, the lower extreme of fluid infusion case is equipped with the liquid outlet, the blast pipe through first tee bend with the feed liquor end intercommunication of stop valve, the liquid outlet through the second tee bend with the play liquid end intercommunication of stop valve, thereby make fluid infusion case.
2. The liquid cooling system of claim 1, further comprising a first heat exchanger for absorbing heat and a second heat exchanger for releasing heat, wherein the first heat exchanger, the second heat exchanger, the shut-off valve, and the water pump are in communication and form a complete circuit.
3. The liquid cooling system of claim 2, wherein the first heat exchanger, the second heat exchanger, the stop valve, and the water pump are connected in sequence in a flow direction of the cooling liquid, and the second tee is disposed between the stop valve and the water pump.
4. The liquid cooling system of claim 3, wherein the first tee is disposed between the first heat exchanger and the second heat exchanger such that the first heat exchanger, the makeup tank, and the water pump form a complete circuit.
5. The liquid cooling system of claim 4, further comprising an exhaust valve disposed between the second heat exchanger and the first heat exchanger, wherein the first heat exchanger, the exhaust valve, the second heat exchanger, the stop valve, and the water pump are sequentially connected in a flow direction of the cooling liquid.
6. The liquid cooling system of claim 5, wherein the first tee is disposed between the second heat exchanger and the vent valve such that the first heat exchanger, the vent valve, the makeup tank, and the water pump form a complete circuit.
7. The liquid cooling system of claim 3, wherein the first tee is disposed between the second heat exchanger and the shutoff valve such that the first heat exchanger, the second heat exchanger, the makeup tank, and the water pump form a complete circuit.
8. The liquid cooling system of any one of claims 2 to 7, wherein the stop valve is a threaded stop valve installed by a pipe joint nut, a pier mouth stop valve installed by a throat hoop, or a welded copper stop valve welded on a pipeline by a copper pipe;
the first heat exchanger is a coil type heat exchanger, the second heat exchanger is a plate type heat exchanger, and the cooling liquid flows into the hot end of the plate type heat exchanger;
the exhaust pipe is arranged at the top end of the liquid supplementing box, and a liquid inlet is further formed in the top end of the liquid supplementing box.
9. An electric vehicle comprising a battery pack and a liquid cooling system as claimed in any one of claims 2 to 8, wherein the first heat exchanger is adapted to absorb heat generated by the battery pack.
10. The electric vehicle of claim 9, further comprising an air conditioning system, wherein the second heat exchanger is a plate heat exchanger, wherein air conditioning refrigerant in the air conditioning system flows into a cold end of the plate heat exchanger, and wherein the refrigerant flows into a hot end of the plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045990.1U CN211404684U (en) | 2020-01-09 | 2020-01-09 | Liquid cooling system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045990.1U CN211404684U (en) | 2020-01-09 | 2020-01-09 | Liquid cooling system and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211404684U true CN211404684U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020045990.1U Active CN211404684U (en) | 2020-01-09 | 2020-01-09 | Liquid cooling system and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211404684U (en) |
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2020
- 2020-01-09 CN CN202020045990.1U patent/CN211404684U/en active Active
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