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Power battery pack structure

A technology for power battery packs and battery modules, which is applied in the direction of secondary batteries, secondary battery manufacturing, circuits, etc., can solve the problems of battery pack airtightness, high maintenance costs, vibration cracking, etc., and achieves reliable fixation, simple structure, The effect of increasing energy

Pending Publication Date: 2019-12-17
芜湖天量电池系统有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sheet metal box has the following problems. Since the box is made of sheet metal, there may be vibration and cracking, which will cause the airtightness of the battery pack.
In addition, if a single battery is abnormal and needs to be repaired and replaced, the entire module needs to be taken out. If the battery is bonded to the bottom of the box with structural adhesive, the replacement of the entire battery pack needs to be involved. The after-sales maintenance cost is high and cannot be satisfied. need

Method used

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Embodiment Construction

[0021] Below with reference to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present invention, such as the shape, structure, mutual position and connection relationship between the various parts, the role and working principle of the various parts, etc., will be further described. Detailed instructions:

[0022] as attached figure 1 - attached image 3 As shown, the present invention is a power battery pack structure, including a box body 1, the box body 1 includes a bottom plate 2 and a side plate 3, a cooling water channel 4 is arranged in the bottom plate 2, and a plurality of box partitions are arranged on the upper surface of the bottom plate 2 5. A battery module 6 is set between every two adjacent box partitions 5, and a plurality of screw holes 12 are set on each box partition 5. In the above structure, a cooling water channel is provided on the bottom plate, and the flow and circulation of the cooling water i...

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Abstract

The invention provides a power battery pack structure applied to the technical field of power batteries. The power battery pack structure comprises a box body (1). The box body (1) comprises a bottomplate (2) and side plates (3). A cooling water channel (4) is arranged in the bottom plate (2). The upper surface of the bottom plate (2) is provided with a plurality of box partitions (5). A batterymodule (6) is arranged between the two adjacent box partitions (5). A plurality of screw holes (12) are arranged on each box partition (5). The power battery pack structure has a simple structure andis convenient to realize arrangement and fixation of the battery modules. Meanwhile, assembling and disassembling of the battery pack are extremely convenient and the water cooling effect is improvedso that the battery pack assembling efficiency and the after-sales maintenance capability can be improved, the battery use environment is ensured, the service life of the battery is prolonged and thesafety performance of the battery pack system is enhanced.

Description

technical field [0001] The invention belongs to the technical field of power batteries, and more specifically relates to a power battery pack structure. Background technique [0002] The power battery is a key component of the car. The current power battery pack adopts the battery group modularization method to form a battery module for installation. The battery box is made of steel plate material, which is bent, welded, spliced ​​or stamped, and the sheet metal box carries multiple battery modules to form a battery pack. The sheet metal box has the following problems. Since the box is made of sheet metal, there may be vibration cracking, which will cause the airtightness of the battery pack. In addition, if a single battery is abnormal and needs to be repaired and replaced, the entire module needs to be taken out. If the battery is bonded to the bottom of the box with structural adhesive, the replacement of the entire battery pack needs to be involved. The after-sales main...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/04H01M10/613H01M10/6568
CPCH01M10/04H01M10/613H01M10/6568Y02E60/10Y02P70/50
Inventor 姚峰李晶伍小宏曹新成
Owner 芜湖天量电池系统有限公司
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