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Installation fixing method of lithium battery pack protection plate and device thereof

A technology for lithium battery packs and fixing methods, which is applied to battery pack components, circuits, electrical components, etc., can solve problems such as easy aging, burning, and explosion of lithium-ion battery packs, and achieve low cost, firm fixing, and installation and fixing methods simple effect

Pending Publication Date: 2019-12-20
TIANNENG SAFT ENERGY JOINT CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The problem is that the screw is a conductive product. During the production process, due to improper operation, the screw will contact the components on the protection board, and then a short circuit will occur. In severe cases, the lithium-ion battery pack will explode and burn.
The glue is a material that is easy to age. During use, due to the impact of high and low temperature and the existence of vibration during vehicle driving, the glued object and the protective plate will fall off.
Moreover, fixing with screws and glue will increase the cost of materials and labor costs, thereby increasing the production cost of the entire battery pack

Method used

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  • Installation fixing method of lithium battery pack protection plate and device thereof
  • Installation fixing method of lithium battery pack protection plate and device thereof
  • Installation fixing method of lithium battery pack protection plate and device thereof

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Embodiment Construction

[0033] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0034] A method for installing and fixing a protection board of a lithium battery pack, comprising the steps of:

[0035] S01: Put the protective plate 2 on the battery pack bracket 1; the positioning groove 7 of the protective plate 2 is aligned with the positioning plate 8 of the battery pack bracket 1, and the positioning plate 8 is located in the positioning groove 7.

[0036] S02: Press and push the protection plate 2, the block 5 of the protection plate 2 slides into the slot 4 of the battery pack bracket 1, so that the block 5 and the slot 4 are engaged; after the block 5 and the slot 4 are engaged, The side wall of the clamping block 5 is supported by the side wall of the card slot 4, the two sides of the protectio...

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PUM

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Abstract

The present invention provides an installation fixing method of a lithium battery pack protection plate and a device thereof, and belongs to the field of lithium ion batteries. The invention solves the existing problems such as high cost in fixing a protection plate and a battery pack bracket with screws and glue. The installation fixing method of the lithium battery pack protection plate comprises the following steps: S01, the protection plate is put on the battery pack bracket; S02, the protection plate is pressed and pushed and a fixture block of the protection plate slides into a slot of the battery pack bracket so that the fixture block and the slot are engaged. The invention has the advantages such low cost and firm fixation.

Description

technical field [0001] The invention belongs to the field of lithium ion batteries, and in particular relates to a method for installing and fixing a protective plate of a lithium battery pack and a device thereof. Background technique [0002] Nowadays, new energy vehicles and bicycles are developing rapidly, and lithium-ion power batteries are widely used. As we all know, the protection board is the core device of the lithium-ion battery pack, and its stability determines the life and safety of the entire lithium-ion battery pack. [0003] At present, most of the protective plates of lithium-ion battery packs on the market are fixed on the brackets with self-tapping screws, and a few of them still stick the protective plates on the battery brackets with glued flame retardants. [0004] The problem is that the screw is a conductive product. During the production process, due to improper operation, the screw will contact the components on the protection board, and then a sh...

Claims

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Application Information

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IPC IPC(8): H01M2/10
CPCH01M50/20Y02E60/10
Inventor 郑伟李明钧郝玉良张金法李奇林
Owner TIANNENG SAFT ENERGY JOINT CO
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