Patent ID: 9539448
Date: 2017-01-10
CPC Classifications: A62C,H01M,Y02E

Claim:
1. A fire suppression apparatus for a battery pack, comprising: a fire detection sensor for detecting a probability of fire occurrence in a battery pack; a fire-extinguishing chemical tank containing a fire-extinguishing chemical, wherein the fire-extinguishing chemical tank includes an outlet connected to the inside of the battery pack to discharge the fire-extinguishing chemical, a piston to discharge the fire-extinguishing chemical through the outlet by means of movement, and an explosive to move the piston by explosion; a first outlet valve to open or close the outlet of the fire-extinguishing chemical tank; and a control unit programmed to allow the fire-extinguishing chemical of the fire-extinguishing chemical tank into the battery pack when fire occurrence is detected by the fire detection sensor, wherein when fire occurrence is detected, the first outlet valve is opened under the control of the control unit, and the control unit subsequently explodes the explosive of the fire-extinguishing chemical tank to move the piston so that the fire-extinguishing chemical is injected into the battery pack.