Communication filter with protection and heat dissipation functions

The utility model discloses a communication filter with protection and heat dissipation functions, which comprises a box body, a machine body and a water cooling module, a cavity is arranged in the box body, the machine body is fixedly arranged on the inner side of the cavity, a temperature sensor is arranged on the surface of the machine body, and the water cooling module is arranged on the inner wall of the box body and is used for cooling the machine body during installation. The water cooling module comprises a water tank installed on the inner wall of the box body and located on the surface of the machine body, a liquid injection opening formed in the surface of the water tank and penetrating through the inner wall of the box body, and a circulating pump installed on the inner wall of the water tank and used for water circulation. The water pipe is connected to two ends of the circulating pump and penetrates through the water tank; and the heat-conducting plate is mounted on the inner wall of the tank bo