Monitoring mirror surface protection device capable of avoiding dust accumulation and achieving automatic cleaning

The invention provides a monitoring mirror surface protection device capable of avoiding dust accumulation and automatic cleaning, which comprises an equipment main body and a lens, the top of the equipment main body is fixedly connected with a top seat, the top seat is internally and rotatably provided with a movable seat, the upper end of the movable seat is movably provided with a receiving assembly, and the bottom end of the movable seat is movably provided with a cleaning assembly. The receiving assembly and the cleaning assembly are movably connected through a transmission assembly, and a deflection assembly is installed on the movable seat. By arranging the deflection assembly, the main shaft drives the main gear and the auxiliary gear to reversely rotate at the same time through the speed regulation gear set, the main gear and the auxiliary gear drive the notch ring and the movable base to deflect back and forth through the two poking rod sets, the fan blades installed at the bottom of the movable bas