CN211000992U - Heat exchange system and vehicle - Google Patents
Heat exchange system and vehicle Download PDFInfo
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- CN211000992U CN211000992U CN201922031353.9U CN201922031353U CN211000992U CN 211000992 U CN211000992 U CN 211000992U CN 201922031353 U CN201922031353 U CN 201922031353U CN 211000992 U CN211000992 U CN 211000992U
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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 discloses a heat transfer system and vehicle, heat transfer system includes: the first heat exchange loop is provided with a heating element and a first liquid circulation driving element; the second heat exchange loop is provided with a heating element, a refrigerating element, a power battery and a second liquid circulation driving element; the first heat exchange loop and the second heat exchange loop are provided with an independent operation mode and a linkage operation mode, the first heat exchange loop and the second heat exchange loop respectively and independently operate in the independent operation mode, and the first heat exchange loop and the second heat exchange loop are communicated in the linkage operation mode. From this, through first heat transfer circuit and the cooperation of second heat transfer circuit, when the power battery temperature is low, can heat power battery, when the power battery temperature is high, can cool off power battery, can guarantee power battery and work in suitable temperature range to power battery's operational reliability can be guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to a heat transfer system and have vehicle of this heat transfer system is related to.
Background
The electric vehicle is provided with a power battery, the power battery is an energy source of the electric vehicle, and the temperature inside the power battery has great influence on the capacity characteristic, the safety characteristic, the cycle life, the power, the efficiency, the energy consumption of the whole vehicle and the like of the battery.
In the related art, when the power battery works, the temperature of the power battery is sometimes lower and sometimes higher, so that the power battery cannot work in a proper temperature range, and the capacity characteristic, the safety characteristic, the cycle life, the power, the efficiency and the energy consumption of the whole vehicle of the power battery are poorer.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, an object of the utility model is to provide a heat transfer system, this heat transfer system can guarantee that power battery works at suitable temperature range.
The utility model discloses a vehicle is further proposed.
According to the utility model discloses a heat transfer system includes: the heat exchanger comprises a first heat exchange loop, a second heat exchange loop and a heat exchange unit, wherein the first heat exchange loop is provided with a heating element and a first liquid circulation driving element; the second heat exchange loop is provided with a heating element, a refrigerating element, a power battery and a second liquid circulation driving element; the first heat exchange loop and the second heat exchange loop have an independent operation mode and a linkage operation mode, the first heat exchange loop and the second heat exchange loop respectively and independently operate in the independent operation mode, and the first heat exchange loop and the second heat exchange loop are communicated in the linkage operation mode so that heat exchange liquid can flow between the first heat exchange loop and the second heat exchange loop.
According to the utility model discloses a heat transfer system, through first heat transfer return circuit and the cooperation of second heat transfer return circuit, when the power battery temperature is low, can heat power battery, when the power battery temperature is high, can cool off power battery, can guarantee that power battery works at suitable temperature range to power battery's operational reliability can be guaranteed.
In some examples of the present invention, the heat exchange system further comprises: and the valve control assembly is connected between the first heat exchange loop and the second heat exchange loop and is used for isolating or communicating the first heat exchange loop and the second heat exchange loop.
In some examples of the present invention, the valve control assembly comprises: a first three-way pipe having a first pipe orifice, a second pipe orifice, and a third pipe orifice; a second three-way pipe having a fourth pipe orifice, a fifth pipe orifice, and a sixth pipe orifice; a first three-way valve having a first port, a second port, and a third port, the first port being selectively communicable with one of the second port and the third port; a second three-way valve having a fourth port, a fifth port, and a sixth port, the fourth port being selectively communicable with one of the fifth port and the sixth port; the first pipe orifice is connected with the second valve orifice, the second pipe orifice is connected with the first heat exchange loop, and the third pipe orifice is connected with the fifth valve orifice; the fourth pipe orifice is connected with the sixth pipe orifice, the fifth pipe orifice is connected with the third pipe orifice, and the sixth pipe orifice is connected with the second heat exchange loop; the first valve port is connected with the first heat exchange loop, and the fourth valve port is connected with the second heat exchange loop.
In some examples of the present invention, a liquid storage device is further disposed in the first heat exchange loop.
In some examples of the present invention, a fan heat sink is further disposed in the first heat exchange loop.
In some examples of the present invention, the heat exchange system is applied to a vehicle, and the cooling element is an air conditioning system of the vehicle providing cooling capacity.
In some examples of the invention, the heating element is a PTC heating element.
In some examples of the invention, the first hydronic driving element is a first water pump.
In some examples of the invention, the second liquid circulation driving element is a second water pump.
In some examples of the invention, the heating element comprises one or more of a drive motor, a motor controller.
According to the utility model discloses a vehicle, including foretell heat transfer system.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic diagram of a heat exchange system according to an embodiment of the present invention.
Reference numerals:
a heat exchange system 10;
a first heat exchange circuit 1; a heat generating element 11; a first hydronic driving element 12; a liquid storage device 13; a fan heat sink 14;
a second heat exchange circuit 2; a heating element 21; a refrigeration component 22; a power battery 23; a second hydronic driving element 24;
a valve control assembly 3;
a first three-way pipe 31; a first nozzle 311; a second orifice 312; a third nozzle 313;
a second tee 32; the fourth orifice 321; a fifth nozzle 322; a sixth orifice 323;
a first three-way valve 33; the first valve port 331; a second valve port 332; a third port 333;
a second three-way valve 34; the fourth valve port 341; a fifth valve port 342; a sixth valve port 343.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A heat exchange system 10 according to an embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, a heat exchange system 10 according to an embodiment of the present invention includes: a first heat exchange circuit 1 and a second heat exchange circuit 2. Heat exchange liquid is arranged in the first heat exchange loop 1 and the second heat exchange loop 2, and the first heat exchange loop 1 is provided with a heating element 11 and a first liquid circulation driving element 12. The second heat exchange circuit 2 is provided with a heating element 21, a cooling element 22, a power battery 23 and a second liquid circulation driving element 24. The first heat exchange circuit 1 and the second heat exchange circuit 2 have an independent operation mode and a linkage operation mode, that is, the first heat exchange circuit 1 and the second heat exchange circuit 2 may operate independently or simultaneously. In the independent operation mode, the first heat exchange loop 1 and the second heat exchange loop 2 operate independently, and in the linkage operation mode, the first heat exchange loop 1 is communicated with the second heat exchange loop 2, so that heat exchange liquid can flow between the first heat exchange loop 1 and the second heat exchange loop 2.
The power battery 23, the first heat exchange loop 1, the second heat exchange loop 2, the heating element 21 and the heating element 11 may be provided with temperature sensors, and the temperature sensors are used for reading the temperature of the part where the power battery is located, and monitoring and parameter control of the working state of the heat exchange system 10.
Specifically, when the temperature sensor detects that the temperature of the power battery 23 is low during the operation of the power battery 23, for example: when the temperature of the power battery 23 is lower than-5 ℃, the heat exchange system 10 starts a heating mode, when the power battery 23 is in a charging state, the heating element 11 does not work, the second heat exchange loop 2 starts an independent heating mode, the heat exchange liquid in the second heat exchange loop 2 is directly heated through the heating element 21, the heat exchange liquid exchanges heat with the power battery 23, and when the temperature of the power battery 23 is increased to 15 ℃, the heating element 21 stops heating. When the power battery 23 is in a discharging state, the heating element 11 works to generate heat, at the moment, the heat exchange system 10 starts a linkage operation mode, heat exchange liquid flows through the heating element 11 for heat exchange and then flows through the power battery 23, waste heat dissipated in the working process of the heating element 11 can be effectively utilized for heating the power battery 23, and therefore heat loss of the heat exchange system 10 can be reduced.
When the power battery 23 is in a high temperature environment, for example: the temperature of the power battery 23 is higher than 32 ℃, and the cooling mode of the heat exchange system 10 is started. When the power battery 23 is in a charging state, the heat exchange system 10 starts an independent operation mode, the second heat exchange loop 2 independently cools the power battery 23, and the power battery 23 exchanges heat with the refrigerating element 22, so that the temperature of the power battery 23 can be reduced. When the power battery 23 is in a discharging state, the heating element 11 works, the heating element 11 radiates heat through the heat exchange liquid in the first heat exchange loop 1, if the temperature sensor monitors that the temperature of the heating element 11 is lower than the temperature of the power battery 23, the heat exchange system 10 starts a linkage operation mode, at the moment, the first heat exchange loop 1 is communicated with the second heat exchange loop 2, so that the heat exchange liquid flows between the first heat exchange loop 1 and the second heat exchange loop 2, and the power battery 23 can be cooled. If the temperature sensor monitors that the temperature of the heating element 11 is higher than the temperature of the power battery 23, the heat exchange system 10 starts an independent operation mode, the heat exchange liquid in the first heat exchange loop 1 cools the heating element 11, and the heat exchange liquid in the second heat exchange loop 2 cools the power battery 23. When the power battery 23 is charged and discharged, the power battery 23 can be heated at a low temperature and cooled at a high temperature, and the internal temperature of the power battery 23 can be effectively controlled, so that the capacity characteristic, the safety characteristic, the cycle life, the power and the efficiency of the power battery 23 can be ensured, and the consistency and the cycle life of the power battery 23 can be further improved.
From this, through the cooperation of first heat transfer circuit 1 and second heat transfer circuit 2, when power battery 23 temperature is low, can heat power battery 23, when power battery 23 temperature is high, can cool off power battery 23, can guarantee that power battery 23 works at suitable temperature range to can guarantee power battery 23's operational reliability.
In some embodiments of the present invention, as shown in fig. 1, the heat exchange system 10 may further include: valve control assembly 3, valve control assembly 3 is connected between first heat transfer circuit 1 and second heat transfer circuit 2, and valve control assembly 3 is used for cutting off or communicates first heat transfer circuit 1 and second heat transfer circuit 2, so set up and to control first heat transfer circuit 1 and second heat transfer circuit 2 intercommunication at any time, also can control first heat transfer circuit 1 and second heat transfer circuit 2 not communicate at any time, can realize first heat transfer circuit 1, second heat transfer circuit 2 has the work purpose of independent operation mode and linkage operation mode, thereby can guarantee heat exchange system 10's operational reliability, and then can control the temperature of power battery 23 better.
In some embodiments of the present invention, as shown in fig. 1, the valve control assembly 3 may include: a first tee 31, a second tee 32, a first three-way valve 33, and a second three-way valve 34. First tee 31 may have a first nozzle 311, a second nozzle 312, and a third nozzle 313, and second tee 32 has a fourth nozzle 321, a fifth nozzle 322, and a sixth nozzle 323. The first three-way valve 33 may have a first port 331, a second port 332 and a third port 333, the first port 331 may be selectively communicated with one of the second port 332 and the third port 333, that is, when the first port 331 is communicated with the second port 332, the first port 331 is not communicated with the third port 333, and when the first port 331 is communicated with the third port 333, the first port 331 is not communicated with the second port 332. The second three-way valve 34 may have a fourth port 341, a fifth port 342, and a sixth port 343, and the fourth port 341 may selectively communicate with one of the fifth port 342 and the sixth port 343, or it may be understood that when the fourth port 341 communicates with the fifth port 342, the fourth port 341 does not communicate with the sixth port 343, and when the fourth port 341 communicates with the sixth port 343, the fourth port 341 does not communicate with the fifth port 342.
The first pipe orifice 311 is connected to the second valve orifice 332, the second pipe orifice 312 is connected to the first heat exchange circuit 1, the third pipe orifice 313 is connected to the fifth valve orifice 342, the fourth pipe orifice 321 is connected to the sixth valve orifice 343, the fifth pipe orifice 322 is connected to the third valve orifice 333, the sixth pipe orifice 323 is connected to the second heat exchange circuit 2, the first valve orifice 331 is connected to the first heat exchange circuit 1, and the fourth valve orifice 341 is connected to the second heat exchange circuit 2.
Specifically, when the temperature sensor detects that the temperature of the power battery 23 is low during the operation of the power battery 23, for example: when the temperature of the power battery 23 is lower than-5 ℃, the heat exchange system 10 starts a heating mode, when the power battery 23 is in a charging state, the heating element 11 does not work, the second heat exchange loop 2 starts an independent heating mode, at this time, the fourth valve port 341 is communicated with the sixth valve port 343, the first valve port 331 is communicated with the second valve port 332, heat exchange liquid in the second heat exchange loop 2 is directly heated through the heating element 21, the heat exchange liquid exchanges heat with the power battery 23, and when the temperature of the power battery 23 is increased to 15 ℃, the heating element 21 stops heating. When the power battery 23 is in a discharging state, the heating element 11 works to generate heat, at the moment, the heat exchange system 10 is in a linkage operation mode, the fourth valve port 341 is communicated with the fifth valve port 342, the first valve port 331 is communicated with the third valve port 333, heat exchange liquid flows through the heating element 11 for heat exchange and then flows through the power battery 23, waste heat emitted in the working process of the heating element 11 can be effectively utilized for heating the power battery 23, and therefore heat loss of the heat exchange system 10 can be reduced.
When the power battery 23 is in a high temperature environment, for example: the temperature of the power battery 23 is higher than 32 ℃, and the cooling mode of the heat exchange system 10 is started. When the power battery 23 is in a charging state, the heat exchange system 10 starts an independent operation mode, the fourth valve port 341 is communicated with the sixth valve port 343, the first valve port 331 is communicated with the second valve port 332, the second heat exchange loop 2 independently cools the power battery 23, and the power battery 23 can reduce the temperature of the power battery 23 by exchanging heat with the refrigeration element 22.
When the power battery 23 is in a discharging state, the heating element 11 works, the heating element 11 radiates heat through the heat-exchange liquid in the first heat-exchange loop 1, if the temperature sensor monitors that the temperature of the heating element 11 is lower than the temperature of the power battery 23, the heat-exchange system 10 is in a linked operation mode, at this time, the fourth valve port 341 is communicated with the fifth valve port 342, the first valve port 331 is communicated with the third valve port 333, the first heat-exchange loop 1 is communicated with the second heat-exchange loop 2, so that the heat-exchange liquid flows between the first heat-exchange loop 1 and the second heat-exchange loop 2, and the power battery 23 can be cooled.
If the temperature sensor monitors that the temperature of the heating element 11 is higher than the temperature of the power battery 23, the heat exchange system 10 starts an independent operation mode, the fourth valve port 341 is communicated with the sixth valve port 343, the first valve port 331 is communicated with the second valve port 332, the heat exchange liquid in the first heat exchange loop 1 cools the heating element 11, and the heat exchange liquid in the second heat exchange loop 2 cools the power battery 23. When the power battery 23 is charged and discharged, the power battery 23 can be heated at a low temperature and cooled at a high temperature, and the internal temperature of the power battery 23 can be effectively controlled, so that the capacity characteristic, the safety characteristic, the cycle life, the power and the efficiency of the power battery 23 can be ensured, and the consistency and the cycle life of the power battery 23 can be further improved.
The utility model discloses an in some embodiments, as shown in FIG. 1, can also be provided with stock solution device 13 in the first heat transfer return circuit 1, heat transfer liquid can be stored in the stock solution device 13, heat transfer liquid can be for water, it can guarantee to have sufficient heat transfer liquid to flow in first heat transfer return circuit 1 and/or the second heat transfer return circuit 2 to set up like this, can guarantee that heat transfer liquid and power battery 23 carry out the heat transfer better to can guarantee power battery 23 work better at suitable temperature range (25 ℃ -45 ℃).
In some embodiments of the utility model, as shown in fig. 1, can also be provided with fan heat abstractor 14 in first heat transfer return circuit 1, wherein, when power battery 23 is in discharge state, heating element 11 works, heating element 11 dispels the heat through the heat transfer liquid in first heat transfer return circuit 1, if temperature sensor monitors the temperature that heating element 11 is less than power battery 23's temperature, heat transfer system 10 opens linkage operational mode, first heat transfer return circuit 1 and 2 intercommunications of second heat transfer return circuit this moment, make heat transfer liquid flow between first heat transfer return circuit 1 and second heat transfer return circuit 2, and simultaneously, fan heat abstractor 14 works, fan heat abstractor 14 cools down to the heat transfer liquid in first heat transfer return circuit 1, can make the temperature reduction of heat transfer liquid, thereby can cool down power battery 23.
If the temperature sensor monitors that the temperature of the heating element 11 is higher than the temperature of the power battery 23, the heat exchange system 10 starts an independent operation mode, and meanwhile, the fan heat dissipation device 14 works, the fan heat dissipation device 14 cools the heat exchange liquid in the first heat exchange loop 1, the heat exchange liquid in the first heat exchange loop 1 cools the heating element 11, and the heat exchange liquid in the second heat exchange loop 2 cools the power battery 23.
The utility model discloses an in some embodiments, heat transfer system 10 can be applied to on the vehicle, and refrigeration element 22 provides cold volume for the air conditioning system of vehicle, sets up like this and can make heat transfer system 10 and a refrigeration element 22 of vehicle sharing, can avoid spare part to increase on the vehicle to can reduce the weight and the cost of vehicle.
In some embodiments of the present invention, the heating element 21 may be provided as a PTC heating element 21, for example: the heating element 21 can be set as a heater, when the power battery 23 needs to be heated, the heating element 21 is controlled to work, the heat exchange liquid in the second heat exchange loop 2 can be heated, the temperature of the heat exchange liquid in the second heat exchange loop 2 can be increased, so that the heat in the heat exchange liquid can be transferred to the power battery 23, and the working purpose of increasing the temperature of the power battery 23 can be achieved.
The utility model discloses an in some embodiments, first liquid circulation drive element 12 can set up to first water pump, and first water pump during operation can provide power for the flow of heat transfer liquid, can guarantee that heat transfer liquid flows at first heat transfer return circuit 1 inner loop to can make heat transfer liquid better and the spare part in heat transfer system 10 carry out the heat transfer.
The utility model discloses an in some embodiments, second liquid circulation drive element 24 can set up to the second water pump, and the second water pump during operation can provide power for the flow of heat transfer liquid, can guarantee that heat transfer liquid flows at second heat transfer return circuit 2 inner loop to can make heat transfer liquid better and the spare part in heat transfer system 10 carry out the heat transfer.
In some embodiments of the present invention, the heating element 11 may include one or more of a driving motor, a motor controller.
According to the utility model discloses vehicle, including the heat transfer system 10 of above-mentioned embodiment, heat transfer system 10 sets up and installs on the vehicle, and this heat transfer system 10 can heat power battery 23, also can cool off power battery 23, can guarantee that power battery 23 works at suitable temperature range to can guarantee power battery 23's operational reliability, and then can guarantee that the vehicle is safe, reliably travel.
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 described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, 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 can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (11)
1. A heat exchange system, comprising:
the heat exchanger comprises a first heat exchange loop, a second heat exchange loop and a heat exchange unit, wherein the first heat exchange loop is provided with a heating element and a first liquid circulation driving element;
the second heat exchange loop is provided with a heating element, a refrigerating element, a power battery and a second liquid circulation driving element;
the first heat exchange loop and the second heat exchange loop have an independent operation mode and a linkage operation mode, the first heat exchange loop and the second heat exchange loop respectively and independently operate in the independent operation mode, and the first heat exchange loop and the second heat exchange loop are communicated in the linkage operation mode so that heat exchange liquid can flow between the first heat exchange loop and the second heat exchange loop.
2. The heat exchange system of claim 1, further comprising: and the valve control assembly is connected between the first heat exchange loop and the second heat exchange loop and is used for isolating or communicating the first heat exchange loop and the second heat exchange loop.
3. The heat exchange system of claim 2, wherein the valve control assembly comprises:
a first three-way pipe having a first pipe orifice, a second pipe orifice, and a third pipe orifice;
a second three-way pipe having a fourth pipe orifice, a fifth pipe orifice, and a sixth pipe orifice;
a first three-way valve having a first port, a second port, and a third port, the first port being selectively communicable with one of the second port and the third port;
a second three-way valve having a fourth port, a fifth port, and a sixth port, the fourth port being selectively communicable with one of the fifth port and the sixth port; wherein the content of the first and second substances,
the first pipe orifice is connected with the second valve orifice, the second pipe orifice is connected with the first heat exchange loop, and the third pipe orifice is connected with the fifth valve orifice;
the fourth pipe orifice is connected with the sixth pipe orifice, the fifth pipe orifice is connected with the third pipe orifice, and the sixth pipe orifice is connected with the second heat exchange loop;
the first valve port is connected with the first heat exchange loop, and the fourth valve port is connected with the second heat exchange loop.
4. The heat exchange system of claim 1, wherein a liquid storage device is further disposed in the first heat exchange loop.
5. The heat exchange system of claim 1, wherein a fan heat sink is further disposed in the first heat exchange loop.
6. The heat exchange system of claim 1, wherein the heat exchange system is applied to a vehicle and the refrigeration element provides refrigeration for an air conditioning system of the vehicle.
7. The heat exchange system of claim 1, wherein the heating element is a PTC heating element.
8. The heat exchange system of claim 1, wherein the first hydronic driving element is a first water pump.
9. The heat exchange system of claim 1, wherein the second liquid circulation driving element is a second water pump.
10. The heat exchange system of claim 1, wherein the heat generating element comprises one or more of a drive motor, a motor controller.
11. A vehicle comprising a heat exchange system according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031353.9U CN211000992U (en) | 2019-11-20 | 2019-11-20 | Heat exchange system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031353.9U CN211000992U (en) | 2019-11-20 | 2019-11-20 | Heat exchange system and vehicle |
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| Publication Number | Publication Date |
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| CN211000992U true CN211000992U (en) | 2020-07-14 |
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| CN201922031353.9U Active CN211000992U (en) | 2019-11-20 | 2019-11-20 | Heat exchange system and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188564A (en) * | 2021-12-09 | 2022-03-15 | 中国人民解放军32181部队 | Heat extraction system of fuel cell |
-
2019
- 2019-11-20 CN CN201922031353.9U patent/CN211000992U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188564A (en) * | 2021-12-09 | 2022-03-15 | 中国人民解放军32181部队 | Heat extraction system of fuel cell |
| CN114188564B (en) * | 2021-12-09 | 2024-06-07 | 中国人民解放军32181部队 | Heat extraction system of fuel cell |
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