Battery device and electric appliance

Abstract

The application provides a battery device and a power utilization equipment. The battery device comprises a box body having a containing space, a battery monomer assembly accommodated in the containing space, and a current collecting pipe. The battery monomer assembly comprises a plurality of battery monomers arranged along a first direction. The current collecting pipe extends along a second direction and is arranged at one end of the battery monomer assembly along the first direction. The current collecting pipe comprises a first cavity, a second cavity and a communicating pipe. The first cavity and the second cavity are arranged in a stacked mode along a third direction. The communicating pipe is arranged inside the first cavity and the second cavity. A heat exchange pipe extends along the first direction and is connected with an outer surface of the first cavity along the third direction. The heat exchange pipe comprises a first heat exchange pipe and a second heat exchange pipe arranged along the second direction. The first heat exchange pipe is in communication with the first cavity. One end of the communicating pipe along the third direction is in communication with the second heat exchange pipe, and the other end of the communicating pipe passes through the first cavity and is in communication with the second cavity. The application is beneficial to improving the use performance of the battery device.

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