Explosion-proof battery for electric car in coal mines

摘要

The present invention relates to an explosion-proof battery installed in a accumulator for a coal mine. An explosion-proof battery according to an embodiment of the present invention includes a housing having an accommodating part defined therein, a battery pack disposed in the accommodating part, and a buffer part disposed between the housing and the battery pack. The buffer unit includes a first spring disposed between the side wall of the housing and the side surface of the battery pack, between the bottom wall of the housing and the lower surface of the battery pack, and between the ceiling wall of the housing and the upper surface of the battery pack. It includes a second spring, and a shock absorber disposed at the edge of the battery pack.