Heat preservation device of energy storage battery in cold region

The utility model discloses a heat preservation device for an energy storage battery in a cold region, which comprises a box body, a lithium battery body is fixedly arranged on the inner wall of the bottom of the box body, a mounting plate is fixedly arranged at the upper end in the box body, and a controller and a time relay are fixedly arranged at the top end of the mounting plate respectively. An opening is formed in the top end of the box body, an end cover is fixedly arranged at the opening, a protective shed is fixedly arranged in the middle of the top end of the end cover through a supporting column, mounting grooves are formed in the side walls of the periphery of the box body, and springs distributed in a rectangular shape are fixedly arranged on the inner wall of one side of each mounting groove. Through the arrangement of the snowfall sensor, when accumulated snow on the side wall of the box body reaches a certain amount, the controller can start the vibration motor to operate, the side plate can v