Controller of electric valve

The utility model discloses a controller of an electrically operated valve, which comprises a machine body and an antenna rotating seat rotatably arranged on the rear surface of the machine body, the rear end of the antenna rotating seat is provided with a transceiving antenna, and the rear surface of the machine body is provided with a limiting mechanism relative to the left side of the antenna rotating seat. The limiting mechanism comprises a base, a base block, a limiting insertion rod and a limiting insertion groove. The base is fixedly installed on the rear surface of the machine body. Through the limiting mechanism arranged on the rear surface of the machine body, after an operator completes rotation adjustment of the antenna rotating seat, the antenna rotating seat and the receiving and transmitting antenna can be stably limited, the stability of the antenna rotating seat and the receiving and transmitting antenna after rotation adjustment is ensured, mistaken rotation caused by collision of external f