Battery preheating device for intelligent patrol inspection of plateau power transmission line unmanned aerial vehicle

The battery preheating device comprises an upper shell, a lower shell and a battery body, the upper shell is located above the lower shell, the upper shell and the lower shell are contrasted and closed to form a complete box body structure, the rear portion of the upper shell is connected with the rear portion of the lower shell through a hinge, and the battery body is connected with the battery preheating device. The bottom of the upper shell and the top of the lower shell are open, and partition plates are horizontally fixed to the middle of the upper shell and the middle of the lower shell in a closed mode. The battery box has the beneficial effects that the battery body is placed in the box body formed by contrasting and folding the upper shell and the lower shell in a manner of respectively placing the battery body in the storage grooves, so that the battery body can be subjected to preheating and heat preservation treatment through the preheating assemblies of the upper shell and the lower shell, and th