CN220400711U - Battery thermal management system - Google Patents
Battery thermal management system Download PDFInfo
- Publication number
- CN220400711U CN220400711U CN202321462069.7U CN202321462069U CN220400711U CN 220400711 U CN220400711 U CN 220400711U CN 202321462069 U CN202321462069 U CN 202321462069U CN 220400711 U CN220400711 U CN 220400711U
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- battery
- thermal management
- management system
- temperature
- battery thermal
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- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The application relates to the field of power battery equipment, especially relates to a battery thermal management system, it includes battery thermal management intelligent control ware and battery support, be equipped with thermoelectric cooler on the battery support, still be equipped with the cooling plate on the thermoelectric cooler, still be equipped with temperature sensor on the battery support, temperature sensor and thermoelectric cooler electric connection are in battery thermal management intelligent control ware. According to the battery temperature monitoring device, the temperature state of the battery is monitored through the temperature sensor, the working state of the thermoelectric refrigerator can be controlled through the battery thermal management intelligent controller, so that the temperature of the battery is reduced or heated, the battery is kept in a certain temperature range, and the service life and the safety of the battery are improved.
Description
Technical Field
The present application relates to the field of power battery devices, and more particularly to a battery thermal management system.
Background
In recent years, the development of the power battery industry is rapid, and the power battery is taken as a heart of a new energy automobile and is a key point for improving the product force of the new energy automobile. Under the common efforts of society such as political and obstetrical research, the production scale and the product performance of the power battery in China are continuously improved, the cost is obviously reduced, and important support and technical foundation are provided for the market development of new energy automobiles in China.
In the power battery pack, each battery can generate certain heat in the charging and discharging process, if heat dissipation is not timely carried out, the temperature inside the battery cell can continuously rise, and the aging of the battery cell is accelerated. When the temperature exceeds a certain value, the diaphragm in the battery core can fail, so that the battery is in thermal runaway, and accidents such as combustion and explosion of the battery core are caused. When the temperature of the battery cell is lower, the internal resistance of the battery cell is increased, and the performance is affected.
With respect to the related art described above, the inventors consider that the temperature of the power battery is too high and too low to affect the performance, and therefore it is necessary to provide a means for controlling the temperature of the battery.
Disclosure of Invention
In order to control the temperature of a battery, the present application provides a battery thermal management system.
The application provides a battery thermal management system, adopts following technical scheme:
the battery thermal management system comprises a battery thermal management intelligent controller and a battery bracket, wherein a thermoelectric refrigerator is arranged on the battery bracket, a cooling plate is further arranged on the thermoelectric refrigerator, a temperature sensor is further arranged on the battery bracket, and the temperature sensor and the thermoelectric refrigerator are electrically connected with the battery thermal management intelligent controller.
Through adopting above-mentioned technical scheme, temperature sensor senses the temperature of battery constantly, and when battery temperature was too high or when too low, the homoenergetic was adjusted the temperature of battery through the hot spot refrigerator to control the temperature of battery in suitable range, and then improve reliability, life-span and the performance of battery electric core.
Preferably, the cooling plate is a liquid cooling plate.
Preferably, the battery support comprises a plurality of battery accommodating cavities for accommodating batteries, and the side walls of the battery accommodating cavities are attached to the side walls of the batteries.
Preferably, the side wall of the battery accommodating cavity is provided with a mounting groove, and the temperature sensor is arranged in the mounting groove.
Preferably, temperature sensors are arranged at two ends of the cooling plate.
Preferably, the intelligent battery thermal management controller controls the refrigeration and heating of the thermoelectric refrigerator and controls the flow of the cooling liquid of the liquid cooling plate based on the temperature inside the battery accommodating cavity and the temperature of the inlet and outlet of the cooling plate.
Preferably, the thermoelectric refrigerator is a ceramic substrate thermoelectric refrigerator.
Preferably, the surface of the thermoelectric cooler is coated with copper.
Preferably, the battery support is made of aluminum materials.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the battery temperature monitoring device, the temperature state of the battery is monitored through the temperature sensor, the working state of the thermoelectric refrigerator can be controlled through the battery thermal management intelligent controller, so that the temperature of the battery is reduced or heated, the battery is kept in a certain temperature range, and the service life and the safety of the battery are improved.
2. The heat dissipation effect of the battery is enhanced through the liquid cooling plate, so that the temperature of the battery can be controlled well in summer and during high-power operation of the battery.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a battery thermal management system according to an embodiment of the present application.
Fig. 2 is a schematic structural view of a liquid cooling plate according to an embodiment of the present application.
Reference numerals illustrate: 2. a battery holder; 21. a battery accommodating chamber; 3. a mounting groove; 4. a temperature sensor; 5. a thermoelectric refrigerator; 6. and a liquid cooling plate.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2.
The embodiment of the application discloses a battery thermal management system. Referring to fig. 1, a battery thermal management system includes a battery thermal management intelligent controller and a battery holder 2, the battery holder 2 is made of an aluminum material, the overall mass of the battery holder 2 can be reduced by using the aluminum material, and the aluminum has good thermal conductivity. The battery support 2 comprises a plurality of battery accommodating cavities 21, the battery accommodating cavities 21 are used for accommodating batteries, the side walls of the batteries are attached to the side walls of the battery accommodating cavities 21, and therefore heat of the batteries is conducted out of the support more easily.
Referring to fig. 1 and 2, a mounting groove 3 is formed in a side wall of the battery accommodating chamber 21, a temperature sensor 4 is arranged in the mounting groove 3, and the temperature sensor 4 monitors the temperature of the battery in real time. The temperature sensor 4 is electrically connected to the battery thermal management intelligent controller, and can transmit the temperature data of the battery to the battery thermal management intelligent controller.
Referring to fig. 1 and 2, thermoelectric coolers 5 are arranged on two sides of a battery bracket 2, the thermoelectric coolers 5 are ceramic substrate thermoelectric coolers 5, and the ceramic substrate has good heat conduction effect and is not easy to deform due to temperature. The surface of the thermoelectric refrigerator 5 is coated with copper, so that the copper has better conductivity, and the heat on the battery bracket 2 can be timely conducted to the thermoelectric refrigerator 5. The thermoelectric refrigerator 5 is electrically connected to the battery thermal management intelligent controller, and the battery thermal management intelligent controller can regulate and control according to the temperature of the battery, and control the power supply of the thermoelectric refrigerator 5 to be connected in a positive-negative mode, so that the temperature of the thermoelectric refrigerator 5 is controlled to rise or fall, and the thermoelectric refrigerator 5 absorbs heat or releases heat to the battery, and the effect of controlling the temperature of the battery is achieved.
Referring to fig. 1 and 2, a cooling plate is further disposed on a side of the thermoelectric cooler 5 facing away from the battery holder 2, and the cooling plate is attached to the thermoelectric cooler 5, and absorbs heat from the thermoelectric cooler 5, thereby enhancing the heat dissipation effect of the battery. The cooling plate adopts liquid cooling plate 6 in this embodiment, and the both ends of liquid cooling plate 6 all are equipped with temperature sensor 4, and temperature sensor 4 also electric connection is in battery thermal management intelligent control ware. The battery thermal management intelligent controller can sense the temperature of the cooling liquid through the temperature sensors 4 arranged at the two ends of the liquid cooling plate 6, so that the flow rate of the cooling liquid is controlled.
The implementation principle of the battery thermal management system in the embodiment of the application is as follows: the intelligent controller for battery thermal management controls the working state of the thermoelectric refrigerator 5 to be heating or refrigerating based on the temperature fed back by the temperature sensor 4 in the battery accommodating cavity 21, and more accurately controls the flow of the cooling liquid in the liquid cooling plate 6 through the temperature fed back by the temperature sensor 4 on the liquid cooling plate 6, so that the temperature of the battery is controlled in a certain range, the battery cell works in a proper temperature, and the use safety and the service life of the battery are effectively improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. A battery thermal management system, characterized by: the intelligent battery management system comprises a battery thermal management intelligent controller and a battery bracket (2), wherein a thermoelectric refrigerator (5) is arranged on the battery bracket (2), a cooling plate is further arranged on the thermoelectric refrigerator (5), a temperature sensor (4) is further arranged on the battery bracket (2), and the temperature sensor (4) and the thermoelectric refrigerator (5) are electrically connected to the battery thermal management intelligent controller; the battery bracket (2) comprises a plurality of battery accommodating cavities (21) for accommodating batteries, and the side walls of the battery accommodating cavities (21) are attached to the side walls of the batteries; the side wall of the battery accommodating cavity (21) is provided with a mounting groove (3), and the temperature sensor (4) is arranged in the mounting groove (3).
2. A battery thermal management system according to claim 1, wherein: the cooling plate adopts a liquid cooling plate (6).
3. A battery thermal management system according to claim 1, wherein: temperature sensors (4) are arranged at two ends of the cooling plate.
4. A battery thermal management system according to claim 2, wherein: the intelligent battery thermal management controller controls refrigeration and heating of the thermoelectric refrigerator (5) and controls the flow of cooling liquid in the liquid cooling plate (6) based on the internal temperature of the battery accommodating cavity (21) and the inlet and outlet temperatures of the cooling plate.
5. A battery thermal management system according to claim 1, wherein: the thermoelectric cooler (5) adopts a ceramic substrate.
6. A battery thermal management system according to claim 1, wherein: and copper-clad treatment is carried out on the surface of the thermoelectric refrigerator (5).
7. A battery thermal management system according to claim 1, wherein: the battery bracket (2) is made of aluminum materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321462069.7U CN220400711U (en) | 2023-06-09 | 2023-06-09 | Battery thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321462069.7U CN220400711U (en) | 2023-06-09 | 2023-06-09 | Battery thermal management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220400711U true CN220400711U (en) | 2024-01-26 |
Family
ID=89600056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321462069.7U Active CN220400711U (en) | 2023-06-09 | 2023-06-09 | Battery thermal management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220400711U (en) |
-
2023
- 2023-06-09 CN CN202321462069.7U patent/CN220400711U/en active Active
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