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Battery pack

A technology for battery packs and mounting surfaces, which is applied to batteries, battery pack parts, battery boxes/coats, etc., which can solve unfavorable dustproof and waterproof, easy damage to resilience, and inability to guarantee sealing strips, box bodies, and box covers Full contact and other issues to achieve long-term stable dustproof and waterproof effects, and avoid damage to the resilience

Active Publication Date: 2016-11-09
BEIJING HYPERSTRONG TECH
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  • Abstract
  • Description
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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 invention provides a battery pack. The battery pack comprises a box cover, a box body and a sealing strip; a first installing face is arranged on the periphery of the opening end of the box body, multiple limiting bolts are arranged on the first installing face, first through holes corresponding to the limiting bolts in position are formed in the sealing strip, and the limiting bolts are sleeved with the first through holes; a second installing face is arranged on the periphery of the opening end of the box cover, second through holes corresponding to the limiting bolts are formed in the second installing face, the box cover covers the box body, and bolts penetrate through the second through holes and the limiting bolts. It is avoided that the sealing strip is compacted excessively to damage rebound resilience, and stable and good dustproof and waterproof effect on the battery pack can be achieved for a long time.

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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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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