Unmanned aerial vehicle lower cabin with heat dissipation waterproof structure

The utility model relates to an unmanned aerial vehicle lower cabin with a heat dissipation waterproof structure, belongs to the technical field of unmanned aerial vehicles, and solves the problems that the heat dissipation and waterproof performance of a bottom structure of an unmanned aerial vehicle is poor, normal work of electrical components in the unmanned aerial vehicle is harmed, and flight safety is affected. The LED lamp comprises a bottom shell assembly, a heat dissipation assembly, an upper shell assembly and a waterproof assembly. The bottom shell assembly comprises a bottom shell, and the upper shell assembly comprises an upper shell; the bottom shell and the upper shell are buckled to form an equipment cabin and lower cabin machine arm inner connecting part; the heat dissipation assembly is connected in the bottom shell; the heat dissipation assembly comprises a heat dissipation plate, an air guide plate and a fan unit, and the heat dissipation plate and the air guide plate are buckled to form