The utility model provides a kind of
lithium battery
thermal runaway automatic early warning fire extinguishing suppression device, belong to
lithium battery field, including box, the bottom of the box is fixedly connected with support leg, the inside fixed connection of the box is placed with board, the top of the board is provided with
lithium battery, the inner wall of the box is provided with
control switch, the
lithium battery is electrically connected with
control switch, the top of the box is provided with
alarm device;The
alarm device includes heat sensor, the bottom of the heat sensor is placed in the top of board, the inner wall of the box is provided with control panel.The utility model is provided with
alarm device, so that rack can drive push plate to move when moving, and then push plate can contact
control switch when moving, so that push plate can close control switch when contacting control switch, and then
lithium battery running can be closed, to reduce the additional heating or damage caused by current
continuous flow.