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A battery module

A battery module, a pair of technology, applied in the direction of battery pack parts, batteries, circuits, etc., can solve the problem of weak pressure resistance of the end plate, to avoid weak mechanical properties in the middle, reduce energy consumption, and reduce weight Effect

Active Publication Date: 2019-04-05
CONTEMPORARY AMPEREX TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In addition, the fixing of the existing end plate on the base plate usually adopts an additional sleeve member. The sleeve member is provided with through holes and fixed on the base plate by bolts, while the end plate is welded and fixed on the sleeve member, thereby being jointly fixed on the base plate. On the other hand, the mechanical weakness caused by the unavoidable multi-component connection makes the end plate fixed on the base plate not strong in compression

Method used

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Embodiment Construction

[0047] In order to make the purpose, technical solution and advantages of the application clearer, the technical solution of the application will be clearly and completely described below in conjunction with the embodiments of the application and the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the application , but not all examples. All other embodiments obtained by those skilled in the art on the basis of the technical solutions and given embodiments provided in this application without creative efforts shall fall within the scope of protection of this application.

[0048] The "length", "width" and "height" in the text are all referred to the placement state of the battery cell 3 (battery unit) in the drawings.

[0049] A cell module, such as figure 1 As shown, it includes a base plate (at the bottom of the electric core 3, not shown), a plurality of electric cores 3, a pair of end plates 1, a pair of side plates 2 and a plural...

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Abstract

The present application relates to the technical field of battery packs, in particular, to a cell module, including a substrate, a plurality of battery cells, a pair of end plates, a pair of side plates and a plurality of fasteners; a pair of end plates are respectively Located on both sides of a plurality of battery cells in the stacking direction, adjacent to the outermost battery cell, and extending along the length direction of the battery cells; and the ends of the end plates in the length direction of the battery cells Bend into a tube to form a rolled tube section, the axial direction of the rolled tube section is in the same direction as the height direction of the battery unit; the fastener is inserted into the rolled tube section, and in the rolled tube section, faces the The direction extends and protrudes out of the coiled tube section and is fixed on the base plate; by arranging the coiled tube segment on the end plate, the fastening strength of the fastener is improved, and the reliable fixing of the battery pack on the substrate can be realized.

Description

technical field [0001] The present application relates to the technical field of energy storage devices, in particular to a battery pack module. Background technique [0002] After the power battery pack is installed on the electric vehicle, the electric vehicle will produce shaking, vibration and other external force factors that are unfavorable to the module during driving. If the battery pack is not fixed in a certain position, it is easy to cause the battery pack The relative displacement between the battery packs will cause impact, collision and extrusion between the battery packs and damage the battery pack. Over time, the performance of the battery pack will be weakened or invalid, and in severe cases, it will lead to serious safety accidents such as short circuit and fire of the battery pack. Usually, the end plate structure of the power cell module is an extruded aluminum part with through holes. The end plate has holes so that the battery pack can be firmly fixed o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M2/10H01M50/204H01M50/229H01M50/249H01M50/264
CPCH01M50/229H01M50/264H01M50/204H01M10/0481H01M2220/20Y02E60/10Y02P70/50H01M50/24
Inventor 吴岸为赵宾姚琼伟钟光跃罗斯传陈永城
Owner CONTEMPORARY AMPEREX TECH CO LTD
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