Electric vehicle battery management system PCB protection structure

Abstract

The invention relates to a PCB protection structure and discloses an electric vehicle battery management system PCB protection structure. The electric vehicle battery management system PCB protection structure comprises a PCB and a protection box, wherein the protection box comprises a box body and a cover body, an annular limiting groove is formed around the open end of the box body, the periphery of the PCB is clamped into the annular limiting groove, an annular seal ring is arranged at the open end of the cover body, the bottom face of the box body is sunken towards the inside of the box body to form a boss at the internal bottom and a groove formed at the external bottom, a plurality of annular metal tubes are further arranged at the bottom of the box body side by side, a part of the annular metal tubes is located on the boss on the inner bottom face of the box body, and the other part of the annular metal tubes penetrates through the bottom of the box body to be located in the groove. A wiring holder is further arranged at one end of the inner bottom face of the box body, the upper end of the wiring holder is electrically connected with the PCB through a plurality of wires, a plurality of wiring terminals are arranged at the lower end of the wiring holder, and the outer ends of the wiring terminals penetrate through the bottom of the box body to extend into the groove. Therefore, the electric vehicle battery management system PCB protection structure has the advantages of being waterproof, dustproof and meanwhile being good in heat dissipation performance.

Description

technical field [0001] The invention relates to a PCB board protection structure, in particular to a PCB board protection structure for an electric vehicle battery management system. Background technique [0002] At present, electric vehicle batteries are equipped with a battery management system. The battery management system is a variety of electronic components installed on the PCB board. In order to ensure the heat dissipation of the PCB board, the outside of the battery box is generally directly exposed, and the outside lacks a protective structure. Moreover, the driving environment of electric vehicles is relatively harsh, which will lead to rainy weather, and the outside rain will flow onto the PCB board. At the same time, dust on the road is also easy to accumulate on the PCB board, resulting in reduced service life of electronic components and prone to failure. If the battery management system fails during driving, it is likely to bring safety hazards to users. [...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the disadvantages of poor waterproof and dustproof effect or poor heat dissipation performance of PCB boards in the prior art, the present invention provides an electric vehicle battery management system that can not only ensure the waterproof and dustproof of PCB boards, but also ensure good heat dissipation of PCB boards PCB board protection structure

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