Device for preventing re-combustion of energy storage battery

The utility model discloses a device for preventing recombustion of an energy storage battery. The device comprises a gas cylinder, a fire trace tube, a first valve, a second valve and a water pump, the first valve is connected between the gas cylinder and the fire trace tube, the second valve is connected between the water pump and the fire trace tube, the fire trace tube is distributed among batteries of the battery module in a bending manner, and the gas cylinder is filled with heptafluoropropane; during fire extinguishing, the first valve can be opened, heptafluoropropane in the gas cylinder is used for extinguishing fire, then the second valve is opened, the water pump is used for pumping water into the fire trace tube, water is used for infiltration and cooling again, and reburning is prevented. 本实用新型公开一种防储能电池复燃装置，包括气瓶、火探管、第一阀门、第二阀门以及水泵；所述第一阀门连接于所述气瓶与火探管之间，所述第二阀门连接于所述水泵与火探管之间，所述火探管弯曲分布于电池模组的电池之间，所述气瓶内充装有七氟丙烷；可以打开第一阀门先采用气瓶中的七氟丙烷进行、灭火，再打开第二阀门采用水泵抽水至火探管中用水再次进行浸润并降温，防止复燃。