CN210245678U - Liquid cooling temperature equalizing system of battery pack - Google Patents
Liquid cooling temperature equalizing system of battery pack Download PDFInfo
- Publication number
- CN210245678U CN210245678U CN201920932331.7U CN201920932331U CN210245678U CN 210245678 U CN210245678 U CN 210245678U CN 201920932331 U CN201920932331 U CN 201920932331U CN 210245678 U CN210245678 U CN 210245678U
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- liquid cooling
- working port
- battery pack
- way valve
- temperature
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- 238000001816 cooling Methods 0.000 title claims abstract description 166
- 239000007788 liquid Substances 0.000 title claims abstract description 165
- 239000003507 refrigerant Substances 0.000 claims abstract description 25
- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002826 coolant Substances 0.000 claims abstract description 12
- 238000005057 refrigeration Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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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
-
- 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 provides a group battery liquid cooling samming system, including liquid cooling pipe, the liquid cooling board that contacts with the group battery, refrigerating plant, be located samming device, water tank, the liquid cooling power supply between liquid cooling board and the refrigerating plant and the coolant that flows in the liquid cooling pipe, liquid cooling board, refrigerating plant, refrigeration power supply loop through liquid cooling union coupling forms a heat dissipation loop. The temperature equalizing device comprises an electromagnetic valve, the electromagnetic valve is provided with three working ports, the refrigerating device can control the conduction of two working ports of the electromagnetic valve and the disconnection of the other working port according to the temperature difference at the two ends of the battery pack, so that secondary refrigerant flows forwards/backwards in a heat dissipation loop, the temperature consistency of the battery pack is ensured, and the service life of the battery pack is also ensured.
Description
Technical Field
The utility model relates to a new energy automobile battery technical field especially relates to a group battery liquid cooling samming system.
Background
In general, a cooling method of a power battery pack for an electric vehicle is a liquid cooling (water cooling) method, and specifically includes: the secondary refrigerant flows through the liquid cooling plate in the battery pack, and the heat in the battery pack is taken away through the self heat absorption and temperature rise of the low-temperature secondary refrigerant, so that the phenomenon that the temperature difference exists between the secondary refrigerant at the inlet and the outlet of the liquid cooling plate can occur, and the temperature of the battery core at the inlet and the outlet of the liquid cooling plate is indirectly influenced. Meanwhile, the method for reducing the temperature difference by adopting the self-circulation of the secondary refrigerant has long circulation time and weak temperature equalizing effect, and reduces the time proportion occupied by the vehicles which can be normally used; in addition, if the temperature difference is too large for a long time, the consistency of the battery core of the whole power battery system is poor, hidden faults such as alarming caused by too large temperature difference and greatly reducing the service life of the power battery system are caused, and the running reliability of the whole vehicle is reduced.
In view of the above, there is a need to improve the existing liquid cooling method to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a group battery liquid cooling samming system, this group battery liquid cooling samming system can be according to the flow direction that the difference in temperature at group battery both ends changes the secondary refrigerant, guarantees the temperature uniformity of group battery.
In order to achieve the above object, the utility model provides a battery pack liquid cooling temperature equalizing system, including liquid cooling pipe, the liquid cooling board that contacts with the battery pack, refrigerating plant, water tank, liquid cooling power supply and the coolant that flows in the liquid cooling pipe, liquid cooling board, refrigerating plant, refrigeration power supply loop through the liquid cooling union coupling forms a heat dissipation loop, battery pack liquid cooling temperature equalizing system still includes the temperature equalizing device who is located between liquid cooling board and the refrigerating plant, the temperature equalizing device includes the solenoid valve, the solenoid valve has first working opening, second working opening and third working opening, and when the difference in temperature at battery pack both ends is less than first setting value, the first working opening and the third working opening of refrigerating plant control solenoid valve switch on, make the coolant in the forward flow in the heat dissipation loop; and when the temperature difference between the two ends of the battery pack is larger than a second set value, the refrigerating device controls the second working port and the third working port of the electromagnetic valve to be communicated, so that the secondary refrigerant reversely flows in the heat dissipation loop.
As a further improvement, the temperature equalizing device further comprises a three-way valve between the liquid cooling plate and the solenoid valve, so as to change the flow direction of the secondary refrigerant flowing out from the liquid cooling plate under the control of the refrigerating device.
As a further improvement of the present invention, two three-way valves are provided and are respectively located at two ends of the liquid cooling plate; the electromagnetic valves are also provided with two, one end of each three-way valve is connected with the liquid cooling plate through a liquid cooling pipe, and the other two ends of each three-way valve are respectively connected with the two electromagnetic valves through liquid cooling pipes.
As a further improvement of the utility model, two the solenoid valve is first solenoid valve and second solenoid valve respectively, first solenoid valve passes through the liquid cooling pipe intercommunication the liquid cooling board with refrigerating plant, the second solenoid valve passes through the liquid cooling pipe intercommunication the liquid cooling power supply with the liquid cooling board.
As the utility model discloses a further improvement, two the three-way valve is first three-way valve and second three-way valve respectively, and when the difference in temperature at group battery both ends is less than first setting value, first three-way valve intercommunication the liquid cooling board with the first working hole of first solenoid valve, second three-way valve intercommunication the first working hole of second solenoid valve with the liquid cooling board.
As the utility model discloses a further improvement, two the three-way valve is first three-way valve and second three-way valve respectively, and when the difference in temperature at group battery both ends is greater than the second setting value, second three-way valve intercommunication the liquid cooling board with the second working port of first solenoid valve, first three-way valve intercommunication the second working port of second solenoid valve with the liquid cooling board.
As a further improvement of the utility model, the temperature equalizing device still include with the parallelly connected power pack that sets up of liquid cooling power supply, just the liquid cooling power supply with the power pack is reverse to be set up, the third working port of solenoid valve pass through the liquid cooling pipe with the liquid cooling board links to each other, first working port and second working port respectively through the liquid cooling pipe with liquid cooling power supply and power pack link to each other.
As a further improvement of the present invention, when the temperature difference between the two ends of the battery pack is smaller than a first set value, the first working port and the third working port of the electromagnetic valve are connected to communicate the liquid cooling plate with the liquid cooling power source; when the temperature difference at the two ends of the battery pack is larger than a second set value, the second working port and the third working port of the electromagnetic valve are communicated to communicate the liquid cooling plate with the power component.
As a further improvement of the present invention, the temperature equalizing device is further including being located the solenoid valve with three-way valve between the refrigerating plant, just wherein one end of the three-way valve pass through the liquid cooling pipe with refrigerating plant links to each other, the other both ends respectively through the liquid cooling pipe with liquid cooling power source and power unit link to each other.
As a further improvement of the utility model, the liquid cooling power supply is the water pump, for the flow of secondary refrigerant provides kinetic energy, promotes the secondary refrigerant is in flow in the heat dissipation loop.
The utility model has the advantages that: the utility model discloses a group battery liquid cooling samming system is through setting up the solenoid valve between liquid cooling board and refrigerating plant, and this solenoid valve has three working port to refrigerating plant can come two wherein working ports of control solenoid valve according to the difference in temperature at group battery both ends to switch on, another working port is turn-offed, makes the secondary refrigerant forward/reverse flow in heat dissipation loop then, has guaranteed the temperature uniformity of group battery, has still ensured the life of group battery simultaneously.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the battery pack liquid cooling temperature equalizing system of the present invention.
Fig. 2 is a coolant flow diagram of the battery pack liquid-cooled temperature equalization system of fig. 1 in an initial state.
Fig. 3 is a coolant flow diagram of the battery pack liquid-cooled temperature equalization system shown in fig. 1 in a temperature controlled state.
Fig. 4 is a schematic structural view of a second embodiment of the battery pack liquid cooling temperature equalizing system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model discloses a group battery liquid cooling samming system, including liquid cooling pipe 1, the liquid cooling board 2 that contacts with group battery (not shown), refrigerating plant 3, water tank 4, liquid cooling power supply 5 and the coolant (not shown) that flows in liquid cooling pipe 1, wherein liquid cooling board 2, refrigerating plant 3, liquid cooling power supply 5 loop through liquid cooling pipe 1 connects and forms a heat dissipation loop. The water tank 4 is connected with the heat dissipation loop through the liquid cooling pipe 1 and is used for storing, adding or replacing secondary refrigerant.
The liquid cooling plate 2 is provided with a plurality of pieces and is placed inside the power battery box 10 to be in contact with the battery pack, thereby reducing the temperature of the battery pack. In the embodiment, a plurality of liquid cooling plates 2 are connected in series; of course, in other embodiments, the plurality of liquid cooling plates 2 may also be connected in parallel, as long as the battery pack can be cooled, and the present invention is not limited herein. In addition, the liquid cooling plate 2 may be placed in a top-mounted manner, a bottom-mounted manner, or a manner of being sandwiched between the cells, and the like, and is not limited herein.
The refrigerating device 3 includes a compressor, a condenser, a plate heat exchanger, a condensing fan, an expansion valve, a controller, and other refrigerating components, and is mainly used for cooling the secondary refrigerant. The refrigeration unit 3 is also used to control the flow of coolant in the heat-radiating circuit.
The liquid cooling power source 5 is a water pump and is mainly used for providing kinetic energy for the flow of the secondary refrigerant so as to push the secondary refrigerant to circularly flow in the heat dissipation loop.
The utility model discloses a group battery liquid cooling samming system is still including being located the samming device between liquid cold plate 2 and refrigerating plant 3, the samming device includes solenoid valve 6 and is located the three-way valve 7 between liquid cold plate 2 and the solenoid valve 6, solenoid valve 6 and three-way valve 7 all receive refrigerating plant 3's control to the flow direction of the secondary refrigerant that the change flows from liquid cold plate 2.
The electromagnetic valve 6 is provided with a first working port, a second working port and a third working port, and when the temperature difference between the two ends of the battery pack is smaller than a first set value, the refrigeration device 3 controls the conduction of the first working port and the third working port of the electromagnetic valve 6 to enable the secondary refrigerant to flow in the heat dissipation loop in the forward direction; when the temperature difference between the two ends of the battery pack is larger than a second set value, the refrigerating device 3 controls the second working port and the third working port of the electromagnetic valve 6 to be communicated, so that the secondary refrigerant reversely flows in the heat dissipation loop.
The three-way valves 7 are arranged and are respectively positioned at two ends of the liquid cooling plate 2; the solenoid valves 6 are also provided with two solenoid valves, one end of each three-way valve 7 is connected with the liquid cooling plate 2 through the liquid cooling pipe 1, and the other two ends of each three-way valve are connected with the two solenoid valves 6 through the liquid cooling pipes 1.
Specifically, the two solenoid valves 6 are a first solenoid valve 61 and a second solenoid valve 62, respectively, the first solenoid valve 61 having a first working port a, a second working port b, and a third working port c, and the second solenoid valve 62 having a first working port d, a second working port e, and a third working port f. The first electromagnetic valve 61 is communicated with the liquid cooling plate 2 and the refrigerating device 3 through a liquid cooling pipe 1, a first working port a of the first electromagnetic valve 61 is connected with the liquid cooling plate 2 through the liquid cooling pipe 1, and a third working port c is connected with the refrigerating device 3 through the liquid cooling pipe 1; the second solenoid valve 62 is communicated with the liquid cooling power source 5 through the liquid cooling pipe 1 and the liquid cooling plate 2, and the first working port d of the second solenoid valve 62 is connected with the liquid cooling plate 2 through the liquid cooling pipe 1, and the third working port f is connected with the liquid cooling power source 5 through the liquid cooling pipe 1.
The two three-way valves 7 are a first three-way valve 71 and a second three-way valve 72 respectively, and when the temperature difference between the two ends of the battery pack is smaller than a first set value, the first three-way valve 71 communicates the liquid cooling plate 2 with the first working port a of the first electromagnetic valve 61, and the second three-way valve 72 communicates the first working port d of the second electromagnetic valve 62 with the liquid cooling plate 2; when the temperature difference between the two ends of the battery pack is greater than a second set value, the second three-way valve 72 communicates the liquid-cooled plate 2 with the second working port b of the first solenoid valve 61, and the first three-way valve 71 communicates the second working port e of the second solenoid valve 62 with the liquid-cooled plate 2.
The temperature difference between the battery pack and the power battery box 10 near the water inlet and the water outlet is defined as △ T-T1-T2, the first set value is y, the second set value is x, and the specific values of x and y can be set according to actual conditions.
As shown in fig. 2, in the initial state, △ T is less than or equal to the first set value y, the refrigeration device 3 controls the first working port a of the first electromagnetic valve 61 to communicate with the first three-way valve 71, the third working port c to communicate with the refrigeration device 3, and the second working port b to be closed, meanwhile, the third working port f of the second electromagnetic valve 62 to communicate with the liquid cooling power source 5, the first working port d to communicate with the second three-way valve 72, and the second working port e to be closed, and at this time, the coolant flows in the forward direction (i.e., clockwise direction in fig. 2) under the driving of the liquid cooling power source 5.
As shown in fig. 3, in the temperature control state, △ T > the second set value x, the refrigeration device 3 controls the second working port b of the first electromagnetic valve 61 to communicate with the second three-way valve 72, the third working port c to communicate with the refrigeration device 3, and the first working port a to be closed, and at the same time, the third working port f of the second electromagnetic valve 62 to communicate with the liquid cooling power source 5, the second working port e to communicate with the first three-way valve 71, and the first working port d to be closed, at this time, the coolant flows in the reverse direction (i.e., counterclockwise direction in fig. 3) under the driving of the liquid cooling power source 5.
When the liquid cooling and temperature equalizing system of the battery pack is about to stop working, the first electromagnetic valve 61 and the second electromagnetic valve 62 are also restored to the initial state before power-off or dormancy.
As can be seen from fig. 2 and 3: the flow direction of the secondary refrigerant in the heat dissipation loop can be changed by controlling the on/off of the corresponding working ports of the electromagnetic valves 6, so that the temperature difference between the two ends of the battery pack is quickly reduced.
As shown in fig. 4, it is a second embodiment of the battery pack liquid cooling temperature equalizing system of the present invention. In the present embodiment, only one electromagnetic valve 6 is provided, only one three-way valve 7 is provided, and the electromagnetic valve 6 and the three-way valve 7 are respectively provided at both ends of the liquid cooling power source 5; the temperature equalizing device comprises a power part 8 which is connected with the liquid cooling power source 5 in parallel, and the liquid cooling power source 5 and the power part 8 are arranged in a reverse direction. Preferably, the liquid cooling power source 5 and the power unit 8 are both water pumps, and are water pumps with reverse rotation functions (i.e., water suction port and water discharge port are interchanged).
Specifically, a third working port c of the electromagnetic valve 6 is connected with the liquid cooling plate 2 through the liquid cooling pipe 1, a first working port a is connected with the liquid cooling power source 5 through the liquid cooling pipe 1, and a second working port b is connected with the power component 8 through the liquid cooling pipe 1. One end of the three-way valve 7 is connected with the refrigerating device 3 through the liquid cooling pipe 1, and the other two ends of the three-way valve are respectively connected with the liquid cooling power source 5 and the power component 8 through the liquid cooling pipe 1.
In an initial state, the temperature difference △ T between the two ends of the battery pack is not greater than a first set value y, the refrigeration device 3 controls the first working port a and the third working port c of the electromagnetic valve 6 to be connected and the second working port b to be disconnected so as to communicate the liquid cooling plate 2 with the liquid cooling power source 5, and at this time, the coolant flows in a forward direction (i.e., clockwise direction in fig. 4) under the driving of the liquid cooling power source 5.
In the temperature control state, the temperature difference △ T at the two ends of the battery pack is greater than a second set value x, the refrigeration device 3 controls the second working port b and the third working port c of the electromagnetic valve 6 to be switched on and the first working port a to be switched off so as to communicate the liquid cooling plate 2 with the power component 8, and at the moment, the secondary refrigerant flows in the reverse direction (i.e. in the counterclockwise direction of fig. 4) under the driving of the power component 8.
Of course, a PTC heater can be connected in series between the liquid cooling power source 5 and/or the power component 8 and the solenoid valve 6 according to actual needs to provide a heating function.
To sum up, the utility model discloses a group battery liquid cooling samming system is through setting up solenoid valve 6 between liquid cooling board 2 and refrigerating plant 3, and this solenoid valve 6 has three working port to refrigerating plant 3 can come control solenoid valve 6 according to the difference in temperature at group battery both ends wherein two working ports switch on, another working port turn-offs, makes coolant forward/reverse flow in heat-dissipating loop then, has guaranteed the temperature uniformity of group battery, has still ensured the life of group battery simultaneously. Compared with the prior art, the utility model discloses the cost is lower, control is accurate, can show to reduce driving, the charging process because of the too big time that needs to wait for or restricted power of the difference in temperature, has promoted user experience greatly, has more guaranteed power battery system's temperature uniformity, has ensured life.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a group battery liquid cooling samming system, includes liquid cooling pipe, the liquid cooling board that contacts with the group battery, refrigerating plant, water tank, liquid cooling power supply and the coolant of the intraductal flow of liquid cooling, liquid cooling board, refrigerating plant, refrigeration power supply loop through liquid cooling union coupling forms a heat dissipation return circuit, its characterized in that: the cooling system further comprises a temperature equalizing device positioned between the liquid cooling plate and the refrigerating device, wherein the temperature equalizing device comprises an electromagnetic valve, the electromagnetic valve is provided with a first working port, a second working port and a third working port, and when the temperature difference between two ends of the battery pack is smaller than a first set value, the refrigerating device controls the first working port and the third working port of the electromagnetic valve to be communicated, so that the secondary refrigerant flows in the heat dissipation loop in the forward direction; and when the temperature difference between the two ends of the battery pack is larger than a second set value, the refrigerating device controls the second working port and the third working port of the electromagnetic valve to be communicated, so that the secondary refrigerant reversely flows in the heat dissipation loop.
2. The battery pack liquid cooling temperature equalization system of claim 1, wherein: the temperature equalizing device also comprises a three-way valve positioned between the liquid cooling plate and the electromagnetic valve so as to change the flow direction of the secondary refrigerant flowing out of the liquid cooling plate under the control of the refrigerating device.
3. The battery pack liquid cooling temperature equalization system of claim 2, wherein: the two three-way valves are respectively positioned at two ends of the liquid cooling plate; the electromagnetic valves are also provided with two, one end of each three-way valve is connected with the liquid cooling plate through a liquid cooling pipe, and the other two ends of each three-way valve are respectively connected with the two electromagnetic valves through liquid cooling pipes.
4. The battery pack liquid cooling temperature equalization system of claim 3, wherein: the two electromagnetic valves are respectively a first electromagnetic valve and a second electromagnetic valve, the first electromagnetic valve is communicated with the liquid cooling plate and the refrigerating device through a liquid cooling pipe, and the second electromagnetic valve is communicated with the liquid cooling power source and the liquid cooling plate through a liquid cooling pipe.
5. The battery pack liquid cooling temperature equalization system of claim 4, wherein: two the three-way valve is first three-way valve and second three-way valve respectively, and when the difference in temperature at group battery both ends was less than first setting value, first three-way valve intercommunication liquid cooling board with the first working port of first solenoid valve, second three-way valve intercommunication the first working port of second solenoid valve with liquid cooling board.
6. The battery pack liquid cooling temperature equalization system of claim 4, wherein: two the three-way valve is first three-way valve and second three-way valve respectively, and when the difference in temperature at group battery both ends was greater than the second set value, the second three-way valve intercommunication liquid cooling board with the second working port of first solenoid valve, first three-way valve intercommunication the second working port of second solenoid valve with liquid cooling board.
7. The battery pack liquid cooling temperature equalization system of claim 1, wherein: the temperature equalizing device further comprises a power component connected with the liquid cooling power source in parallel, the liquid cooling power source and the power component are reversely arranged, a third working port of the electromagnetic valve is connected with the liquid cooling plate through a liquid cooling pipe, and the first working port and the second working port are connected with the liquid cooling power source and the power component through liquid cooling pipes respectively.
8. The battery pack liquid cooling temperature equalization system of claim 7, wherein: when the temperature difference between the two ends of the battery pack is smaller than a first set value, the first working port and the third working port of the electromagnetic valve are communicated so as to communicate the liquid cooling plate with the liquid cooling power source; when the temperature difference at the two ends of the battery pack is larger than a second set value, the second working port and the third working port of the electromagnetic valve are communicated to communicate the liquid cooling plate with the power component.
9. The battery pack liquid cooling temperature equalization system of claim 7, wherein: the temperature equalizing device further comprises a three-way valve located between the electromagnetic valve and the refrigerating device, one end of the three-way valve is connected with the refrigerating device through a liquid cooling pipe, and the other two ends of the three-way valve are connected with the liquid cooling power source and the power component through liquid cooling pipes respectively.
10. The battery pack liquid cooling temperature equalization system of claim 1, wherein: the liquid cooling power source is a water pump to provide kinetic energy for the flow of the secondary refrigerant and push the secondary refrigerant to flow in the heat dissipation loop.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932331.7U CN210245678U (en) | 2019-06-20 | 2019-06-20 | Liquid cooling temperature equalizing system of battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932331.7U CN210245678U (en) | 2019-06-20 | 2019-06-20 | Liquid cooling temperature equalizing system of battery pack |
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| CN210245678U true CN210245678U (en) | 2020-04-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233309A (en) * | 2019-06-20 | 2019-09-13 | 苏州高迈新能源有限公司 | Battery pack liquid cooling temperature equalization system |
| CN112151912A (en) * | 2020-09-29 | 2020-12-29 | 东风汽车集团有限公司 | Cooling liquid flow direction controllable battery pack, battery pack thermal management system and control method |
| CN115425323A (en) * | 2022-09-08 | 2022-12-02 | 湖北亿纬动力有限公司 | Battery thermal management system and debugging method thereof, and electric vehicle |
-
2019
- 2019-06-20 CN CN201920932331.7U patent/CN210245678U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233309A (en) * | 2019-06-20 | 2019-09-13 | 苏州高迈新能源有限公司 | Battery pack liquid cooling temperature equalization system |
| CN112151912A (en) * | 2020-09-29 | 2020-12-29 | 东风汽车集团有限公司 | Cooling liquid flow direction controllable battery pack, battery pack thermal management system and control method |
| CN112151912B (en) * | 2020-09-29 | 2022-04-01 | 东风汽车集团有限公司 | Thermal management system and control method for coolant flow to controllable battery pack |
| CN115425323A (en) * | 2022-09-08 | 2022-12-02 | 湖北亿纬动力有限公司 | Battery thermal management system and debugging method thereof, and electric vehicle |
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