CN217035766U - Battery cooling system and vehicle - Google Patents
Battery cooling system and vehicle Download PDFInfo
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- CN217035766U CN217035766U CN202123360958.6U CN202123360958U CN217035766U CN 217035766 U CN217035766 U CN 217035766U CN 202123360958 U CN202123360958 U CN 202123360958U CN 217035766 U CN217035766 U CN 217035766U
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Abstract
The utility model provides a battery cooling system and a vehicle, wherein the battery cooling system comprises a fan assembly, a heat dissipation assembly and a control assembly, the fan assembly comprises a driving motor and a mechanical fan, the heat dissipation assembly comprises a radiator and a cooling pipeline, a cooling medium circulates between the radiator and the battery assembly through the cooling pipeline, and the control assembly can detect the temperature of the battery assembly and control the rotating speed of the driving motor according to the temperature so as to control the rotating speed of the mechanical fan and provide corresponding air inlet amount for the radiator. By adopting the structure, the control assembly detects the temperature of the battery assembly in real time, and drives the motor to drive the mechanical fan to rotate according to the temperature, so that the heat dissipation requirement of the battery assembly is met, the power of the driving motor is high, the heat dissipation requirement of the high-power battery assembly can be met, the arrangement is simple, and the stability is good; the control assembly controls the driving power of the driving motor in real time according to the temperature of the battery assembly, and energy consumption waste of the battery cooling system can be effectively avoided.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to a battery cooling system and a vehicle.
Background
The prior art hydrogen fuel cell vehicles all use a radiator of a traditional vehicle type and an electronic cooling fan combination to radiate heat for the hydrogen fuel cell. For heavy trucks, the load of the loaded goods is large, the power of the hydrogen fuel cell is high, the heat dissipation capacity is large, and the heat dissipation requirement of the hydrogen fuel cell can be met only by performing combined heat dissipation through a plurality of electronic cooling fans. Since the installation space of the cooling module in the vehicle is limited, the number of the electronic cooling fans is limited, and the more the electronic cooling fans are, the more complicated and difficult the arrangement of the electronic cooling fans is, the cooling mode cannot meet the heat dissipation requirement of the hydrogen fuel cell if the power of the hydrogen fuel cell continues to increase.
Therefore, how to provide a cooling system capable of meeting the heat dissipation requirement of a high-power hydrogen fuel cell is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cooling system capable of meeting the heat dissipation requirement of a high-power hydrogen fuel cell.
In order to solve the technical problem, the utility model provides a battery cooling system which is used for cooling a battery assembly and comprises a fan assembly, a heat dissipation assembly and a control assembly, wherein the fan assembly comprises a driving motor and a mechanical fan, the heat dissipation assembly comprises a radiator and a cooling pipeline, a cooling medium circulates between the radiator and the battery assembly through the cooling pipeline, and the control assembly can detect the temperature of the battery assembly and control the rotating speed of the driving motor according to the temperature so as to control the rotating speed of the mechanical fan and provide corresponding air inlet amount for the radiator.
By adopting the structure, the control assembly can detect the temperature of the battery assembly in real time, calculate the target rotating speed of the mechanical fan meeting the heat dissipation requirement of the battery assembly according to the temperature, and control the driving motor to drive the mechanical fan to rotate so that the actual rotating speed of the mechanical fan reaches the corresponding target rotating speed to meet the heat dissipation requirement of the battery assembly; the control assembly controls the driving power of the driving motor in real time according to the heat dissipation requirement of the battery assembly, energy consumption waste of the battery cooling system can be effectively avoided, and the overall energy consumption of the battery cooling system is indirectly reduced.
Optionally, the control assembly comprises a battery controller, a vehicle control unit and a motor controller, the battery controller can detect the real-time temperature of the battery assembly and send a temperature signal to the vehicle control unit, the vehicle control unit can send a rotating speed signal to the motor controller according to the temperature signal, and the motor controller can control the rotating speed of the driving motor according to the rotating speed signal.
Optionally, the battery controller is provided integrally with the battery assembly.
Optionally, the motor controller is integrated with the driving motor.
Optionally, the vehicle control unit is connected with a vehicle harness, and the battery controller and the motor controller are communicated with the vehicle harness through signal harnesses.
Optionally, the driving motor and the mechanical fan are connected through a flange.
The present invention also provides a vehicle comprising a battery assembly and a battery cooling system, namely the battery cooling system described above.
Optionally, the drive motor is suspended fixed to a body of said vehicle.
Drawings
Fig. 1 is a schematic structural diagram of a battery cooling system according to an embodiment of the present invention.
The reference numerals in fig. 1 are illustrated as follows:
1 battery pack, 21 driving motor, 22 mechanical fan, 23 flange, 31 radiator, 32 cooling pipeline, 41 battery controller, 42 vehicle controller, 43 motor controller, 51 vehicle control harness and 52 signal harness.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the utility model provides a battery cooling system, which is used for cooling a battery assembly 1, and as shown in fig. 1, the battery cooling system comprises a fan assembly, a heat dissipation assembly and a control assembly, wherein the fan assembly comprises a driving motor 21 and a mechanical fan 22, the heat dissipation assembly comprises a heat sink 31 and a cooling pipeline 32, a cooling medium circulates between the heat sink 31 and the battery assembly 1 through the cooling pipeline 32, and the control assembly can detect the temperature of the battery assembly 1 and control the rotating speed of the driving motor 21 according to the temperature so as to control the rotating speed of the mechanical fan 22 and provide a corresponding air intake for the heat sink 31.
By adopting the structure, the control assembly can detect the temperature of the battery assembly 1 in real time, calculate the target rotating speed of the mechanical fan 22 meeting the heat dissipation requirement of the battery assembly 1 according to the temperature, and control the driving motor 21 to drive the mechanical fan 22 to rotate so that the actual rotating speed reaches the corresponding target rotating speed to meet the heat dissipation requirement of the battery assembly 1, and the driving motor 21 has higher power in the mode of driving the mechanical fan 22, so that the control assembly can meet the heat dissipation requirement of the battery assembly 1 running at higher power, and is simpler in arrangement and better in stability; the control assembly controls the driving power of the driving motor 21 in real time according to the heat dissipation requirement of the battery assembly 1, so that the energy consumption waste of the battery cooling system can be effectively avoided, and the overall energy consumption of the battery cooling system is indirectly reduced.
It should be noted that, the driving motor 21 can increase its power by adjusting the torque or increasing the power input frequency, so as to increase the maximum rotation speed of the mechanical fan 22, and theoretically, the intake air amount provided by the driving motor 21 driving the mechanical fan 22 with the maximum power is much higher than the intake air amount of the heat sink 31 capable of meeting the heat dissipation requirement of the battery assembly 1, so that the heat dissipation requirement of the battery assembly 1 running with higher power can be met only by one set of the corresponding driving motor 21 and the corresponding mechanical fan 22.
In addition, not only the fuel cell itself but also the accessories of the fuel cell, such as an air compressor, an air compressor controller, a voltage converter, etc., need to dissipate heat in the cell assembly 1, and the heat dissipation requirements and temperatures of the cell assembly 1 described in the present invention are the heat dissipation requirements and temperatures of the whole of the fuel cell and other accessories.
As shown in fig. 1, a cooling medium circulates between the radiator 31 and the battery assembly 1 through the cooling pipe 32 to form a circulation cooling loop, and after absorbing heat in the battery assembly 1, the cooling medium flows to the radiator 31 through the cooling pipe 32, exchanges heat with air and is cooled in the radiator 31, and then flows back to the battery assembly 1 through the cooling pipe 32 connected to the other side of the radiator 31 to perform the next circulation.
The heat exchange cooling efficiency of the heat sink 31 is related to the intake air volume of the heat sink 31, and the larger the intake air volume is, the higher the heat exchange efficiency of the heat sink 31 is, the better the heat dissipation effect on the battery assembly 1 is, and the driving motor 21 can drive the mechanical fan 22 to rotate, so as to provide the heat sink 31 with the corresponding intake air volume, that is, the higher the power of the driving motor 21 driving the mechanical fan 22 is, the higher the rotation speed of the mechanical fan 22 is, and the better the heat dissipation effect of the heat sink 31 is.
The control assembly can control the power of the driving motor 21 in real time according to the heat dissipation requirement of the battery assembly 1, provide the air inlet volume corresponding to the heat dissipation requirement of the battery assembly 1 for the heat sink 31, keep the temperature of the battery assembly 1 within a normal interval all the time, effectively avoid the energy consumption waste of the driving motor 21, indirectly reduce the overall energy consumption of the battery cooling system, and improve the energy utilization efficiency of the battery cooling system.
Compared with an electronic fan in the prior art, the driving motor 21 in this embodiment drives the mechanical fan 22 to provide an intake air amount for the heat sink 31, so that the power of the mechanical fan is higher, the battery assembly 1 which runs at higher power can be satisfied without arranging a plurality of fans in a row, the arrangement difficulty is lower, the stability is better, and the battery assembly 1 which runs at higher power described above specifically refers to the battery assembly 1 which runs at a power of more than 80 kw.
The control assembly in this embodiment includes a battery controller 41, a vehicle controller 42, and a motor controller 43, where the battery controller 41 can detect a real-time temperature of the battery assembly 1 and send a temperature signal to the vehicle controller 42, the vehicle controller 42 can send a rotation speed signal to the motor controller 43 according to the temperature signal, and the motor controller 43 can control a rotation speed of the driving motor 21 according to the rotation speed signal.
Referring to fig. 1, in the present embodiment, the battery controller 41 is integrated with the battery assembly 1 in a common housing, which requires a smaller space for arrangement and is beneficial to the assembly of the battery cooling system; the battery controller 41 can acquire parameters such as output power, working current and temperature of the battery assembly 1 in real time to form multi-parameter checking, and finally, the temperature of the battery assembly 1 is taken as a main control parameter to form a real-time temperature signal of the battery assembly 1, and the real-time temperature signal is sent to the vehicle control unit 42.
It can be understood that the battery controller 41 and the battery assembly 1 may be integrated in other manners except for being disposed in a common housing, and the specific disposition position of the battery controller 41 may also be set according to actual conditions, which is not limited in the present invention, as long as the battery controller 41 can detect the temperature of the battery assembly 1 in real time and send a temperature signal to the vehicle control unit 42.
In the present embodiment, the motor controller 43 is also integrated with the driving motor 21 in a common housing manner, so as to achieve high integration of the battery cooling system, which is beneficial to assembly of the battery cooling system; the motor controller 43 can control the power of the driving motor 21 to change the rotation speed of the mechanical fan 22 according to the rotation speed signal provided by the vehicle control unit 42 until the rotation speed of the mechanical fan 22 matches the rotation speed signal, so as to provide the corresponding intake air amount for the radiator 31. Like the battery controller 41, the integration mode of the motor controller 43 and the driving motor 21 and the specific arrangement position of the motor controller 43 are not limited in the present invention, and are not described herein again.
In this embodiment, the vehicle controller 42 is connected to a vehicle harness 51, and the battery controller 41 and the motor controller 43 are both communicated with the vehicle harness 51 through a signal harness 52.
As shown in fig. 1, the temperature signal sent by the battery controller 41 can be imported into the vehicle harness 51 through the signal harness 52 connected thereto, after receiving the temperature signal through the vehicle harness 51, the vehicle controller 42 sends a rotation speed signal to the motor controller 43 according to the temperature signal, and the rotation speed signal is transmitted to the motor controller 43 through the vehicle harness 51 and the signal harness 52 communicated with the motor controller 43.
It should be understood that the battery controller 41, the vehicle controller 42, and the motor controller 43 may also transmit and receive signals through other manners besides physical wiring harnesses, which is not limited in the present invention, for example, the signals may also be transmitted and received through radio signal connection among the three.
In the present embodiment, the driving motor 21 is connected to the mechanical fan 22 through a flange 23. As shown in fig. 1, the connection manner is stable, and the assembly is convenient, and the cost is low, and of course, the driving motor 21 and the mechanical fan 22 may be connected by other manners, which is not limited in the present invention.
The embodiment of the present invention further provides a vehicle, including a battery assembly 1 and a battery cooling system, where the battery cooling system is the above-described battery cooling system, and since the battery cooling system has the above technical effects, the vehicle including the battery cooling system should also have the same technical effects, and therefore the details are not repeated herein.
In the embodiment, the driving motor 21 is suspended and fixed with the vehicle body of the vehicle. The fixing mode is simple in assembly and beneficial to realizing high integration of the battery cooling system.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and embellishments can be made without departing from the principle of the present invention, and these modifications and embellishments should also be regarded as the protection scope of the present invention.
Claims (8)
1. A battery cooling system for cooling a battery assembly (1), characterized by: the battery cooling system comprises a fan assembly, a heat dissipation assembly and a control assembly, wherein the fan assembly comprises a driving motor (21) and a mechanical fan (22), the heat dissipation assembly comprises a heat radiator (31) and a cooling pipeline (32), a cooling medium circulates between the heat radiator (31) and the battery assembly (1) through the cooling pipeline (32), and the control assembly can detect the temperature of the battery assembly (1) and control the rotating speed of the driving motor (21) according to the temperature so as to control the rotating speed of the mechanical fan (22) and provide corresponding air inlet amount for the heat radiator (31).
2. The battery cooling system according to claim 1, characterized in that: the control assembly comprises a battery controller (41), a vehicle control unit (42) and a motor controller (43), wherein the battery controller (41) can detect the real-time temperature of the battery assembly (1) and send a temperature signal to the vehicle control unit (42), the vehicle control unit (42) can send a rotating speed signal to the motor controller (43) according to the temperature signal, and the motor controller (43) can control the rotating speed of the driving motor (21) according to the rotating speed signal.
3. The battery cooling system according to claim 2, characterized in that: the battery controller (41) is integrated with the battery assembly (1).
4. The battery cooling system according to claim 2, characterized in that: the motor controller (43) is integrated with the drive motor (21).
5. The battery cooling system according to any one of claims 2 to 4, wherein: the vehicle control unit (42) is connected with a vehicle wiring harness (51), and the battery controller (41) and the motor controller (43) are communicated with the vehicle wiring harness (51) through a signal wiring harness (52).
6. The battery cooling system according to any one of claims 1 to 4, characterized in that: the driving motor (21) is connected with the mechanical fan (22) through a flange (23).
7. A vehicle, characterized in that: comprising a battery assembly (1) and a battery cooling system according to any one of claims 1-6.
8. The vehicle according to claim 7, characterized in that: the driving motor (21) is fixedly suspended on the vehicle body of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123360958.6U CN217035766U (en) | 2021-12-28 | 2021-12-28 | Battery cooling system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123360958.6U CN217035766U (en) | 2021-12-28 | 2021-12-28 | Battery cooling system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217035766U true CN217035766U (en) | 2022-07-22 |
Family
ID=82443923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123360958.6U Active CN217035766U (en) | 2021-12-28 | 2021-12-28 | Battery cooling system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217035766U (en) |
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2021
- 2021-12-28 CN CN202123360958.6U patent/CN217035766U/en active Active
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