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Gap adjusting device, gap adjusting unit, battery module and corresponding method

A technology of a gap adjustment device and a battery module, which is applied to battery pack components, batteries, circuits, etc., can solve the problems of increased manufacturing cost, accelerated aging fatigue, and complicated assembly of the gap adjustment device, so as to avoid the use of assembly tools, The effect of reducing technical requirements and manufacturing costs, simplifying the assembly process

Pending Publication Date: 2020-12-04
DAIMLER AG
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Problems solved by technology

This further leads to high loads on the welds between the side and end plates of the battery module and thus accelerated aging fatigue, which adversely affects the mechanical safety of the battery module
[0003] At present, the solution to the above problems is to control the manufacturing tolerance of the side plate of the battery module, which will lead to a significant increase in manufacturing costs
In addition, although gap adjustment devices for battery modules also exist on the market, known gap adjustment devices are complex to assemble and require additional assembly tools

Method used

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  • Gap adjusting device, gap adjusting unit, battery module and corresponding method
  • Gap adjusting device, gap adjusting unit, battery module and corresponding method
  • Gap adjusting device, gap adjusting unit, battery module and corresponding method

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Embodiment Construction

[0027] In order to better understand the technical problems, technical solutions and beneficial technical effects to be solved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and multiple exemplary embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the protection scope of the present invention.

[0028] figure 1 An overall schematic diagram of the battery module 10 according to an exemplary embodiment of the present invention is shown. The battery module 10 is used, for example, to supply energy to an electric vehicle. Such as figure 1 As shown, the battery module 10 exemplarily includes a gap adjustment device 1, a fastening bolt 2, a battery module side plate 3 and a battery case 4, wherein the gap adjustment device 1 is arranged between the battery module side plate 3 and the battery case. betw...

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Abstract

The invention relates to the field of battery packs of electric vehicles, in particular to a gap adjusting device for a battery module. The gap adjusting device is used for adjusting an assembly gap between a side plate and a box body of the battery module and is provided with a base, a rotatable adjusting part and a nesting part, wherein the base and the rotatable adjusting part are configured tobe connected with each other through threaded connection, the nesting part is configured to be connected with the rotatable adjusting part in a shape locking and / or material locking mode, and the nesting part is configured to be connected with the rotatable adjusting part in a shape locking and / or material locking mode. The nesting part has a through-hole and at least one protrusion radially inward with respect to an inner wall of the through-hole, where the at least one protrusion is configured to be retractable in a radial direction. The invention also relates to a corresponding gap adjustment unit, a corresponding battery module and a method for adjusting an assembly gap between a side plate and a box body of the battery module. The cost can be reduced, and assembling is simplified.

Description

technical field [0001] The invention relates to a gap adjusting device for a battery module, the gap adjusting device is configured to adjust the assembly gap between a side plate and a box of the battery module. The invention also relates to a corresponding gap adjustment unit, a corresponding battery module and a method for adjusting the assembly gap between the side plate and the box of the battery module. Background technique [0002] With the development of automobile electrification, in order to obtain high energy density power battery packs and improve the group efficiency of battery modules, the technical route of large battery modules has received more and more attention. For a large battery module, in order to ensure its safety performance, especially the mechanical safety under severe vibration and shock conditions, it is necessary to add multiple bolt fastening points on the side plate of the battery module to realize the connection between the side plate and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10
CPCH01M2220/20Y02E60/10
Inventor 胡晓玮
Owner DAIMLER AG
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