| abstract |
A device has a shield boxes with a plurality of batteries installed, an inner wall of the shield box has a condenser pipe filled with coolant, a cylinder rotatably connects with an inner bottom of the shield box, an upper end of the cylinder has a circular groove arranged coaxially with the cylinder, the circular groove is sealed and rotated to connect with a circular block, a water inlet end and a water outlet end of the condenser pipe are both sealed and penetrated through the circular block, a heat insulation plate is arranged in the cylinder, the heat insulation plate divides the cylinder into two insulation chambers of the same size, an upper end of the cylinder is provided with two through holes communicating with the circular groove, a driving device for driving the cylinder to rotate is installed in the cylinder. |