CN109119722B - Power battery heat exchange system, liquid storage device thereof and new energy automobile - Google Patents
Power battery heat exchange system, liquid storage device thereof and new energy automobile Download PDFInfo
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- CN109119722B CN109119722B CN201810726478.0A CN201810726478A CN109119722B CN 109119722 B CN109119722 B CN 109119722B CN 201810726478 A CN201810726478 A CN 201810726478A CN 109119722 B CN109119722 B CN 109119722B
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- heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to a power battery heat transfer system and reservoir and new energy automobile thereof, wherein, power battery heat transfer system is including being used for supplying pipeline return circuit (A) that heat transfer liquid circulation flows and reservoir (1) of being made by metal or plastic materials, this reservoir (1) including main part (11) of injecing cavity (10) and with this main part (11) be connected and with liquid inlet pipe mouth (12) and liquid outlet pipe mouth (13) of cavity (10) intercommunication, this liquid inlet pipe mouth (12) and liquid outlet pipe mouth (13) are connected in pipeline return circuit (A), reservoir (1) still including set up on main part (11) and with gas vent (14) of cavity (10) intercommunication. Through the technical scheme, the power battery heat exchange system provided by the disclosure can automatically and continuously discharge gas in the pipeline loop along with the circulating flow of the heat exchange liquid.
Description
Technical Field
The utility model relates to a new energy automobile technical field, specifically relates to a power battery heat transfer system, power battery heat transfer system's reservoir to and new energy automobile.
Background
The power battery is one of the core components of the new energy electric automobile taking electric power as power and is a power source of the whole automobile. When the power battery is charged and discharged, the working efficiency, the service life and the safety performance of the power battery are affected by the temperature, so that the temperature of the power battery needs to be reasonably controlled to exert the optimal efficiency.
Liquid cooling systems are an emerging technology in recent years, and the principle of the liquid cooling systems is to provide a pipe loop for circulating a cooling liquid, wherein a part of the pipe loop passes through a power battery, and the cooling liquid exchanges heat with the power battery when flowing through the part, so that the power battery obtains a required temperature. Since the space of the entire vehicle is limited, the piping circuit often has undulations in order to avoid surrounding components or structures, and even an air chamber having a complicated shape is formed. During the process of injecting the cooling liquid into the pipe loop, a plurality of air release valves are usually arranged in the pipe loop to exhaust the gas in the pipelines with the rugged and complicated-shaped air chambers.
However, when the purge valve is opened to exhaust, there is also a flow of coolant out of the purge valve, causing some loss of coolant. In addition, since the air release valve needs to be opened or closed manually, not only is the operation complexity increased, but also the time and labor are consumed.
Due to the complex characteristics of the cooling liquid circulation pipeline, most of air in the circulation pipeline can be exhausted only by opening the air release valves one by one along the flow direction of the cooling liquid and repeating the operation for many times, but the air in the pipeline cannot be completely exhausted.
Disclosure of Invention
It is an object of the present disclosure to provide a power cell heat exchange system to automatically and continuously vent gas in a conduit loop with the circulating flow of a heat exchange liquid.
In order to achieve the above object, the present disclosure provides a power battery heat exchange system, including a pipe loop for circulating a heat exchange liquid, wherein, the power battery heat exchange system includes a liquid storage device made of metal or plastic material, the liquid storage device includes a main body defining a cavity, and a liquid inlet pipe orifice and a liquid outlet pipe orifice connected with the main body and communicated with the cavity, the liquid inlet pipe orifice and the liquid outlet pipe orifice are connected in the pipe loop, the liquid storage device further includes an exhaust port arranged on the main body and communicated with the cavity.
Optionally, the liquid inlet pipe orifice is set not lower than the liquid outlet pipe orifice.
Optionally, the vent is provided at the topmost end of the reservoir and is provided with a normally closed on-off valve arranged to open when the pressure in the cavity reaches a predetermined value.
Optionally, the reservoir further comprises a liquid injection nozzle connected to the body and communicating with the cavity.
Optionally, power battery heat transfer system still includes water tank, pump, notes liquid pipeline and exhaust duct, the liquid mouth that send of water tank passes through annotate the liquid pipeline with annotate liquid mouth of pipe intercommunication, the inlet of pump with the reservoir go out liquid mouth of pipe intercommunication, just the inlet of pump is arranged to be not higher than go out the liquid mouth of pipe, the water tank includes air inlet and overflowed gas mouth, the gas vent passes through exhaust duct with the air inlet intercommunication.
Alternatively, the tank is positioned higher than the level of the heat-exchange liquid at any position in the heat-exchange liquid circulation circuit.
Optionally, the power battery heat exchange system comprises an air overflow pipeline communicated with the atmosphere, and the air overflow port is communicated with the air overflow pipeline.
Alternatively, the spill port is arranged at the topmost end of the water tank, and is provided with a normally closed switch valve that is set to open when the pressure in the water tank reaches a predetermined value.
On the basis of the technical scheme, the liquid storage device of the power battery heat exchange system is further provided, wherein the liquid storage device is the liquid storage device in the power battery heat exchange system.
In addition, this disclosure still provides a new energy automobile, including power battery, wherein, new energy automobile still includes foretell power battery heat transfer system for with power battery exchanges heat.
Through above-mentioned technical scheme, the effect that power battery heat transfer system that this disclosure provided can realize is, at the in-process that heat transfer liquid circulation flows, the air in the pipe loop is extruded and smugglied by heat transfer liquid to along with the flow of heat transfer liquid and get into the reservoir, and under the effect of gravity in the reservoir, air and the heat transfer liquid separation of smuggleing secretly and via the gas vent discharge, thereby realize the exhaust of pipe loop. Along with the continuous circulation of heat transfer liquid, the exhaust of pipeline return circuit is automatic to be gone on, and the air wherein is discharged completely, does not need manual operation, saves manpower and materials. In addition, in the power battery heat exchange system provided by the disclosure, only air can be exhausted from the exhaust port, so that the phenomenon that heat exchange liquid is exhausted to cause loss does not exist.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a simplified schematic block diagram of a power cell heat exchange system provided in accordance with a disclosed embodiment;
fig. 2 is a schematic diagram of a reservoir in a power cell heat exchange system provided in accordance with the disclosed embodiments.
Description of the reference numerals
1-reservoir, 10-cavity, 11-body, 12-liquid inlet orifice, 13-liquid outlet orifice, 14-gas outlet, 15-liquid inlet orifice, 2-water tank, 21-liquid delivery orifice, 22-gas inlet, 23-gas overflow orifice, 3-pump, 4-power battery thermal management device, 5-power battery, 6-three-way pipe, a-pipe loop, B-liquid inlet pipe, C-gas outlet pipe, D-gas overflow pipe.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, the use of directional terms such as "high, low", "top end, bottom end" generally refers to "high, low" and "top end, bottom end" in the vertical direction of the entire vehicle, unless otherwise specified.
According to the specific embodiment of the present disclosure, a power battery heat exchange system is provided, and referring to fig. 1, the power battery heat exchange system includes a pipe loop a for circulating a heat exchange liquid, and a liquid storage device 1 made of metal or plastic material, where the liquid storage device 1 includes a main body 11 defining a cavity 10, and a liquid inlet pipe orifice 12 and a liquid outlet pipe orifice 13 connected to the main body 11 and communicated with the cavity 10, the liquid inlet pipe orifice 12 and the liquid outlet pipe orifice 13 are connected in the pipe loop a, and the liquid storage device 1 further includes an air outlet 14 disposed on the main body 11 and communicated with the cavity 10.
Through the technical scheme, the power battery heat exchange system provided by the disclosure can achieve the effect that in the circulating flowing process of the heat exchange liquid, air in a pipeline loop is extruded and entrained by the heat exchange liquid, enters the liquid storage device 1 along with the flowing of the heat exchange liquid, and is separated from the heat exchange liquid and discharged through the air outlet 14 under the action of gravity in the liquid storage device 1, so that the air exhaust of the pipeline loop is achieved. Along with the continuous circulation of heat transfer liquid, the exhaust of pipeline return circuit is automatic to be gone on, and the air wherein is discharged completely, does not need manual operation, saves manpower and materials. In addition, in the power battery heat exchange system provided by the present disclosure, only air will be exhausted from the exhaust port 14, and therefore, the phenomenon that heat exchange liquid is exhausted and lost does not occur.
When the temperature of the heat-exchange liquid is high, which causes steam to be generated in the reservoir 1, the steam is discharged from the exhaust port together with the air. To this end, in one embodiment provided by the present disclosure, the exhaust port 14 may be provided with a normally closed switch valve (not shown) configured to open when the pressure in the cavity 10 reaches a predetermined value, thereby reducing the discharge of the heat-exchange liquid vapor and reducing the consumption of the heat-exchange liquid generated thereby, and at the same time, preventing the heat-exchange liquid from overflowing from the exhaust port 14 due to the bumpy road during the traveling of the vehicle. Furthermore, in the embodiments provided by the present disclosure, the air vent 14 is arranged at a position of the reservoir 1 at least higher than the highest liquid level in the cavity 101 of the reservoir 1, alternatively, the air vent 14 may be arranged at the topmost end of the reservoir 1.
In the embodiments provided by the present disclosure, the liquid reservoir 1 may be used as a container for providing the heat exchange liquid to the whole heat exchange system, in which case it is no longer necessary to provide another container as the heat exchange liquid source. It is also possible that the volume of the liquid reservoir 1 cannot be set too large, limited to the space of the whole vehicle, in which case the liquid reservoir 1 is not used as a container for providing the heat exchange liquid for the whole heat exchange system, but only for achieving the automatic exhaust of the heat exchange system. At this time, the liquid reservoir 1 may include a liquid injection nozzle 15 connected to the main body 11 and communicating with the cavity 10, for injecting the heat-exchange liquid into the cavity 10.
Wherein, reservoir 1 installs under the condition in whole car, the position of going out liquid mouth of pipe 13 is arranged to be no higher than liquid inlet pipe mouth 12 with annotate the position of liquid mouth of pipe 15 to make the heat-transfer liquid in cavity 10 can be under the gravity-assisted action of self, pump 3 can pump heat-transfer liquid more easily. At the same time, this arrangement is beneficial for the air taken by the circulating flow of heat-exchange liquid in the pipe loop a to enter the accumulator 1 from the inlet 12, whereas the heat-exchange liquid entering the pipe loop a from the outlet orifice 13 does not carry air.
Alternatively, the power battery heat exchange system may include a water tank 2 for providing a heat exchange liquid source for the whole heat exchange system, a pump 3, a liquid injection pipe B and an exhaust pipe C, wherein the liquid feeding port 21 of the water tank 2 is communicated with the liquid injection pipe orifice 15 through the liquid injection pipe B to inject the heat exchange liquid into the liquid reservoir 1.
In consideration of the fact that the liquid reservoir 1 is filled with heat exchange liquid, and meanwhile, when the temperature of the heat exchange liquid is too high, the gas discharged from the liquid reservoir 1 carries some heat exchange liquid vapor, in order to avoid loss caused by discharging the heat exchange liquid to the external space due to the reasons, the gas discharged from the liquid reservoir 1 can be firstly guided into the water tank 2, so that the heat exchange liquid overflowing from the air outlet 14 due to full load of the liquid reservoir 1 can be recovered at the water tank 2, and similarly, the vapor carried in the air discharged from the air outlet 14 can also be recovered at the water tank 2, which is beneficial to reuse. For this purpose, the water tank 2 may be provided with an air inlet 22 and an air overflow 23, and the air outlet 14 is communicated with the air inlet 22 through an air discharge duct C. Here, in order to facilitate connection with the exhaust duct C, a nozzle may be provided at the exhaust port 14. Air from the reservoir 1, i.e. from the entire heat exchange system, is discharged through the air outlet 14, the air discharge duct C, the air inlet 22, the water tank 2 and finally through the air overflow 23.
Wherein, in order to reduce the gas in the pipe loop a as much as possible, after being assembled into the vehicle, the liquid inlet of the pump 3 is arranged not higher than the liquid outlet pipe orifice 13 with reference to the vehicle coordinate system, so that the blades of the pump 3 are always immersed in the liquid.
Wherein, in case the water tank 2 is installed in the whole vehicle, the position of the water tank 2 may be arranged to be higher than the position height of the heat-exchange liquid at any position in the heat-exchange liquid circulation loop, so as to be able to easily replenish the heat-exchange liquid in the liquid reservoir 1. Alternatively, a switch valve may be provided at the liquid feeding port 21 or on the liquid injection pipe B or at the liquid injection pipe port 15 to control the supply of the heat exchange liquid in the liquid reservoir 1. Wherein the liquid feeding port 21 may be provided on the bottom surface of the water tank 2 so that the heat exchange liquid can flow out under the effect of its own gravity.
The power battery heat exchange system may include an air overflow pipe D communicated with the atmosphere, and the air overflow port 23 is communicated with the air overflow pipe D to prevent the gas exhausted to the outside from being directly aligned with a certain component or structure of the vehicle. In this case, the overflow opening 23 may be provided with a normally closed switch valve arranged to open when the pressure in the tank 2 reaches a predetermined value, thereby reducing the discharge of heat exchange liquid vapor, reducing the resulting heat exchange liquid loss, and at the same time, being beneficial to maintain the pressure in the entire heat exchange system. In addition, the overflow of the heat-exchange liquid from the air overflow port 23 due to the bumping of the vehicle on a rugged road can also be avoided.
Alternatively, the water tank 2 may be an expansion water tank 2, which accommodates the expansion of the heat-exchange liquid (e.g. water) in the heat-exchange system, and serves to maintain the pressure and supply the heat-exchange liquid to the heat-exchange system.
Wherein the air inlet 22 and the air overflow 23 are at least above the highest level of the water tank 2 in the arranged position of the water tank 2 with the reservoir 1 and the water tank 2 in the mounted position, optionally the air overflow 23 is arranged at the topmost end of the water tank 2.
In the embodiments provided in the present disclosure, it can be considered that when the liquid reservoir 1 is mounted in the entire vehicle, a direction parallel to the vertical direction of the entire vehicle is an axial direction, and the liquid reservoir 1 has a radial direction perpendicular to the axial direction. The inlet nozzles 12, 15 may extend in any suitable direction, for example, in the radial direction of the reservoir 1. The liquid outlet pipe opening 13 may extend in any suitable direction, for example, in a radial direction of the reservoir 1, or in a direction at an angle to the radial direction, alternatively, the liquid outlet pipe opening 13 may extend in any direction, either horizontally or downwardly, when the reservoir 1 is mounted in a vehicle. In addition, the orifice at the air outlet 14 may also extend in any suitable direction, for example, in the axial direction of the reservoir 1. In addition, the connection between the liquid inlet pipe orifice 11, the liquid outlet pipe orifice 12, the liquid injection pipe orifice 15 and the exhaust pipe 14 and the liquid storage device 1 body can adopt any suitable transition form such as right-angle transition, circular arc transition, reducing transition and the like. The connection between the liquid inlet pipe orifice 11, the liquid outlet pipe orifice 12, the liquid injection pipe orifice 15 and the exhaust pipe 14 and the corresponding pipelines is sealed connection, and can be realized by any suitable connection mode such as bulging, threaded connection, hot melt connection, bonding and the like. Furthermore, the liquid inlet pipe orifice 11, the liquid outlet pipe orifice 12 and the liquid filling pipe orifice 15 may partially extend into the cavity 10 of the body 11, and the portions may be arranged in any suitable shape and extending angle. In addition, the reservoir 1 may be formed by any suitable method, such as welding, casting, injection molding, and the like, using any material that meets the use requirements, such as stainless steel, aluminum, copper, plastic, and the like.
In the specific implementation mode provided by the present disclosure, the power battery heat exchange system further includes a power battery heat management device 4 disposed on the pipe loop a, the heat exchange liquid is pumped out from the liquid outlet pipe opening 13 by the pump 3 and then flows through the power battery heat management device 4 and the power battery 5, and the power battery heat management device 4 is configured to heat and/or cool the heat exchange liquid, so that the heat exchange liquid obtains a liquid temperature required by the power battery 5.
Wherein, in order to satisfy the demand, power battery 5 can be a plurality of, divide into a plurality of power battery group that connect in parallel, and pipeline return circuit A can divide into a plurality of branch pipes through the form that sets up three-way pipe 6 to make heat-exchanging liquid flow through every power battery group. And each power battery pack may comprise a plurality of power batteries 5 connected in series.
The power battery thermal management device 4 can be mounted at any position of the vehicle in any mounting form such as overhead, bottom, built-in and the like.
The pump 3 may be integrated in the power battery thermal management device 4, or may be a separate component.
On the basis of the technical scheme, the liquid storage device of the power battery heat exchange system is provided, and the liquid storage device is the liquid storage device 1 in the power battery heat exchange system.
In addition, on the basis of the technical scheme, the disclosure further provides a new energy automobile which comprises a power battery 5 and the power battery heat exchange system, wherein the power battery heat exchange system is used for exchanging heat with the power battery 5.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (9)
1. The utility model provides a power battery heat transfer system, is including being used for supplying pipeline return circuit (A) that heat transfer liquid circulation flows, its characterized in that, power battery heat transfer system includes reservoir (1) made by metal or plastic material, this reservoir (1) including main part (11) of injecing cavity (10) and with this main part (11) be connected and with liquid inlet pipe mouth (12) and liquid outlet pipe mouth (13) of cavity (10) intercommunication, this liquid inlet pipe mouth (12) and liquid outlet pipe mouth (13) are connected in pipeline return circuit (A), reservoir (1) still including setting up on main part (11) and with gas vent (14) of cavity (10) intercommunication, reservoir (1) still including with main part (11) are connected and with liquid inlet pipe mouth (15) of cavity (10) intercommunication, power battery heat transfer system still includes water tank (2), Annotate liquid pipeline (B) and exhaust duct (C), the liquid mouth (21) of sending of water tank (2) are passed through annotate liquid pipeline (B) with annotate liquid mouth of pipe (15) intercommunication, water tank (2) include air inlet (22) and overfall mouth (23), exhaust port (14) pass through exhaust duct (C) with air inlet (22) intercommunication.
2. The power battery heat exchange system according to claim 1, wherein the liquid inlet pipe orifice (12) is set not lower than the liquid outlet pipe orifice (13).
3. The power cell heat exchange system according to claim 1, wherein the air vent (14) is arranged at the topmost end of the liquid reservoir (1) and is provided with a normally closed on-off valve arranged to open when the pressure in the cavity (10) reaches a predetermined value.
4. The power battery heat exchange system according to claim 1, further comprising a pump (3), wherein a liquid inlet of the pump (3) is communicated with the liquid outlet pipe orifice (13) of the liquid reservoir (1), and a liquid inlet of the pump (3) is arranged not higher than the liquid outlet pipe orifice (13).
5. The power cell heat exchange system according to claim 4, characterized in that the water tank (2) is arranged at a position higher than the position of the heat exchange liquid at any position in the heat exchange liquid circulation loop.
6. The power battery heat exchange system according to claim 4, characterized in that the power battery heat exchange system comprises an air overflow duct (D) communicated with the atmosphere, and the air overflow port (23) is communicated with the air overflow duct (D).
7. The power battery heat exchange system according to claim 4, characterized in that the air relief opening (23) is arranged at the topmost end of the water tank (2) and is provided with a normally closed switch valve arranged to open when the pressure in the water tank (2) reaches a predetermined value.
8. A reservoir of a power battery heat exchange system, characterized in that the reservoir is the reservoir (1) of the power battery heat exchange system as claimed in any one of claims 1 to 7.
9. A new energy automobile comprising a power battery (5), characterized in that the new energy automobile further comprises a power battery heat exchange system according to any one of claims 1-7 for exchanging heat with the power battery (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726478.0A CN109119722B (en) | 2018-07-04 | 2018-07-04 | Power battery heat exchange system, liquid storage device thereof and new energy automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810726478.0A CN109119722B (en) | 2018-07-04 | 2018-07-04 | Power battery heat exchange system, liquid storage device thereof and new energy automobile |
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| CN109119722A CN109119722A (en) | 2019-01-01 |
| CN109119722B true CN109119722B (en) | 2020-06-16 |
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| CN201810726478.0A Active CN109119722B (en) | 2018-07-04 | 2018-07-04 | Power battery heat exchange system, liquid storage device thereof and new energy automobile |
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| CN112297951B (en) * | 2020-09-15 | 2022-04-29 | 浙江中车电车有限公司 | Automobile-used cooling system with self-bleeding function |
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| JP4569096B2 (en) * | 2003-11-13 | 2010-10-27 | 日産自動車株式会社 | Fuel cell cooling system |
| CN101154851A (en) * | 2006-09-25 | 2008-04-02 | 天津市得鑫电机有限公司 | Vaporization cooling circulation loop of vaporization cooling electric motor |
| CN102840720A (en) * | 2011-06-21 | 2012-12-26 | 叶必武 | Pressure adjustment device of vehicle air conditioner |
| CN202562151U (en) * | 2012-05-08 | 2012-11-28 | 珠海格力电器股份有限公司 | Air-conditioning system |
| CN106602105B (en) * | 2016-12-09 | 2019-02-12 | 淳铭散热科技股份有限公司 | proton exchange membrane fuel cell thermal management system |
| CN207570168U (en) * | 2018-02-02 | 2018-07-03 | 南京万佛莱精密机械有限公司 | For detaching the system of incoagulable gas in refrigerant |
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Address after: 102206 Beijing Changping District Shahe town Shayang Road, Niu Niu Wan Village North Applicant after: Beiqi Futian Automobile Co., Ltd. Address before: 102206, Beijing, Shahe Town, Changping District Road, sand Yang Applicant before: Beiqi Futian Automobile Co., Ltd. |
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