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battery pack

A battery pack, mounting surface technology, applied in the direction of batteries, battery pack components, battery boxes/jackets, etc., can solve the problem of unfavorable dustproof and waterproof, easily damaged resilience, and can not guarantee the sealing strip, box body, box cover, etc. Full contact and other issues to achieve long-term stable dustproof and waterproof effects, avoiding damage to resilience

Active Publication Date: 2019-05-14
BEIJING HYPERSTRONG TECH
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] The invention provides a battery pack to overcome that the sealing strip in the prior art is in a compacted state for a long time, and the resilience is easily damaged, which cannot ensure sufficient contact between the sealing strip and the box body and box cover, which is not conducive to dustproof and waterproof The problem

Method used

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0027] The battery pack provided by the invention is mainly used to pack the lithium battery and fix it on the electric vehicle to provide electric power for the electric vehicle. The electric vehicle can be a pure electric vehicle or a gasoline-electric hybrid vehicle. In this embodiment, the specific type of the electric vehicle is not limited, ...

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Abstract

The present invention provides a battery pack, comprising: a case cover, a case body, and a sealing strip. A first installation surface is provided on the periphery of the opening end of the case body, and a plurality of limit nuts are provided on the first installation surface. The sealing strip is provided with first through holes corresponding to the positions of the limit nuts, each of the first through holes is sleeved on the limit nuts, and the periphery of the opening end of the box cover is provided with a first through hole. Two installation surfaces, the second installation surface is provided with a plurality of second through holes corresponding to the positions of the limit nuts, and the box cover is closed on the box body, and the screws pass through the the second through hole and the limit nut. The present invention avoids damage to the resilience of the sealing strip due to excessive compaction, thereby enabling the battery pack to perform long-term and stable good dustproof and waterproof.

Description

technical field [0001] The invention relates to electric vehicle technology, in particular to a battery pack. Background technique [0002] With the rapid growth of electric vehicle users in our country, the urgency of improving the performance of electric vehicles has become increasingly prominent. As the core component of electric vehicles, the battery pack's sealing is particularly important for the safety of the battery system, which in turn has a significant impact on the performance of electric vehicles. [0003] The national standard GB 4208-2008 shell protection level stipulates that the battery pack shell must reach IP67 (6: dust tight, 7: short-term immersion in water) protection level to meet the corresponding dustproof and waterproof performance requirements. In this regard, the prior art generally adopts a groove on the upper edge of the battery pack box, and a foam rubber sealing strip is arranged in the groove, such as a fluorine rubber sealing strip and a ni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M2/02H01M50/10
CPCH01M2220/20H01M50/10Y02E60/10
Inventor 朱志远张子宏
Owner BEIJING HYPERSTRONG TECH
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