Battery module fastening device and mounting method thereof

Abstract

The invention provides a battery module fastening device and a mounting method thereof. The battery module fastening device comprises battery cores, brackets, top fixing brackets, end plates, side plates, a busbar and a top cover plate, wherein the battery cores are arranged in parallel, the brackets are fixed outside the battery cores, two ends, parallel to the battery core, of the bracket are open, the two open ends of the bracket are respectively provided with the top fixing bracket and the end plate, the top fixing brackets are clamped between the end plates and the brackets, the two sideplates are parallel to the two opposite sides of the bracket respectively, air holes are formed in the side plates, the two ends of the side plates wrap the end plates, the side plates are fixedly connected with the end plates through rivets, a nut is arranged at the top of the bracket, the busbar is fixedly connected with the brackets through bolts matched with the nuts, the busbar is welded withthe battery cores, and the top cover plate covers the tops of the brackets. According to the invention, the size is uniform, the vibration resistance is good, the product insulativity is high, the manufacturing process is simple, and the production quality is improved.

Description

technical field [0001] The invention relates to the technical field of new energy vehicle power batteries, in particular to a battery module fastening device and an installation method thereof. Background technique [0002] The power battery is currently the only source of power energy for pure electric vehicles, and is one of the important factors affecting the performance of pure electric vehicles. The safety of the battery pack directly affects the safety of the entire vehicle. The battery pack is composed of multiple battery modules connected in series and parallel, and the fastening device of the battery module plays a key role in the safe operation of the battery pack. [0003] At present, the fastening device of the battery module is mostly fixed and connected by the module box and the beam, which is not conducive to the fastening of the battery module with a high center of gravity, affects the safety performance of the battery module, and cannot guarantee the safety ...

AI Technical Summary

Problems solved by technology

[0003] At present, the fastening device of the battery module is mostly fixed and connected by the module box and the beam, which is not conducive to the fastening of the battery module with a high center of gravity, affects the safety performance of the battery module, and cannot guarantee the safety of the power battery under complex working conditions. safe job

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