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Battery cooling device

A cooling device and battery technology, which is applied to secondary batteries, circuits, electrical components, etc., can solve the problems of affecting the cooling effect of the battery, affecting the connection strength, and high production costs, so as to improve the fixed connection strength, ensure the cooling effect, and have a simple structure Effect

Pending Publication Date: 2019-06-28
AAVID SHANGHAI SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to fix the connection strength, it is necessary to carry out welding treatment at each connection point, the production cost is high, and when the size of the cooling plate is large, there is no fixing mechanism in the middle of the cooling plate, which is prone to bulging, affecting the connection strength and stability Poor, thus affecting the cooling effect of the battery

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] This embodiment provides a battery cooling device, which is in contact with the surface of the battery pack and used for cooling the battery pack. Such as figure 1 As shown, the battery cooling device includes: a bottom plate 1, a cover plate 2, a cooling flow channel 3 and a fixing mechanism 6, the cross-section of the bottom plate 1 and the cross-section of the cover plate 2 are rectangular structures, and the bottom plate 1 is the base plate of the entire structure, To play the role of fixing and supporting, the cover plate 2 is arranged on the base plate 1, and the cover plate 2 and the base plate 1 are closed to form a basic structure. The cooling channel 3 is arranged between the bottom plate 1 and the cover plate 2, and the two ends of the cooling channel 3 are respectively provided with a liquid inlet pipe 4 and a liquid outlet pipe 5, so that the cooling liquid entering from the liquid inlet pipe 4 flows through the cooling flow. Road 3, and then discharge the...

Embodiment 2

[0050] This embodiment is similar in basic composition and connection structure to the battery cooling device provided in the first embodiment, the difference is only in the detailed structure of the bottom plate 1 , cover plate 2 , cooling channel 3 and fixing mechanism 6 .

[0051] Such as Figure 5 As shown, the bottom plate 1 is specifically made of stainless steel, the cover plate 2 is made of plastic material, the bottom plate 1 and the cover plate 2 are directly stamped, the cover plate 2 is directly stretched upward, and the cover plate 2 is set on the bottom plate 1, The cover plate 2 and the bottom plate 1 are closed together to form a cooling channel 3 protruding from the cover plate 2 .

[0052] Such as Figure 5-6 As shown, connecting pipes are respectively provided at both ends of the cooling flow channel 3, so that the liquid inlet pipe 4 and the liquid outlet pipe 5 are connected to the cooling flow channel 3 through the connecting pipes, and the liquid inlet ...

Embodiment 3

[0062] The structure of this embodiment is similar to that of the second embodiment, the only difference lies in the way of interconnection of the anti-corrosion coating 7 , the bottom plate 1 and the cover plate 2 . In order to reduce production cost in this embodiment, as Figure 9 As shown, the base plate 1 and the cover plate 2 are both made of film-coated plates, and the two sides of the base plate 1 and the cover plate 2 are directly covered with film, and the coating position is the blank strip area around the base plate 1 and cover plate 2. , realize the direct integration of the anti-corrosion coating 7 on the bottom plate 1 and the cover plate 2, save the production process of coating the anti-corrosion coating 7, shorten the production time and greatly reduce the production cost under the condition of satisfying the heat dissipation of the battery module.

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Abstract

The invention discloses a battery cooling device, and belongs to the technical field of power batteries. The battery cooling device comprises a base plate, a cover plate arranged on the base plate, acooling channel arranged between the base plate and the cover plate and a fixation mechanism arranged in the middle as well as the periphery of the base plate; a liquid inlet tube and a liquid outlettube are arranged in the two ends of the cooling channel respectively; and the base plate and cover plate are connected via the fixation mechanism. The battery cooling device is simple in structure and easy to realize and reduces the production cost; and the fixation mechanism arranged in the middle as well as the periphery of the base plate, namely, in the whole base plate, the fixed connection intensity is improved, the middle portion of the base plate is fixedly connected to the middle portion of the cover plate, the stability and reliability are higher, budging tends not to occur in the middle position even the base plate is large, reduction the contact area with a battery pack due to budging is reduced, and the battery pack cooling effect is ensured.

Description

technical field [0001] The invention relates to the technical field of power batteries, in particular to a battery cooling device. Background technique [0002] Existing battery modules will generate heat during use, and if the heat cannot be dissipated in time, it will seriously affect the performance and life of the battery. [0003] During the use of the battery module, an additional cooling device needs to be added to dissipate heat. Generally, cooling devices are divided into two types: air cooling and water cooling. The cooling effect of air cooling is easy to change according to the environment, and the operation noise is relatively large. At present, most of the existing water cooling methods are battery module cooling plate structures brazed by two aluminum plates. The surface of each single battery needs to be in contact with the cooling plate. The heat inside the battery is carried away. In order to fix the connection strength, it is necessary to carry out weldi...

Claims

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Application Information

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IPC IPC(8): H01M10/613H01M10/655H01M10/6567
CPCY02E60/10
Inventor 李强章磊钱彬
Owner AAVID SHANGHAI SYST