Patent ID: 7902522

Claim:
A submersible pump with UV sterilization device comprising: a casing, at least one sterilization room and one water pump room being provided in the casing, a first end cap and a second end cap being separately fixed at two ends of the casing, a front water inlet being provided at the position of the first end cap corresponding to the water pump room, a back water inlet connected to a water inlet of the sterilization room being provided at the second end cap, and a reflection board being provided at an internal wall of the sterilization room; a water pump, the water pump comprising a pump casing, a stator fixed at the pump casing, a permanent-magnet rotor fixed in the pump casing, and an impeller in an impeller room driven by the permanent-magnet rotor, the water pump being provided in the water pump room of the casing, a water outlet being provided above a impeller room of the water pump, and the impeller room being connected to a water outlet of the sterilization room; an inverter, the inverter being provided in a containing cavity in the casing; and a cold cathode UV sterilization device, the cold cathode UV sterilization device being fixed in the sterilization room of the casing and connected to an output end of the inverter; when working, one part of the water being transmitted from the back water inlet of the second end cap into the sterilization room to execute ultraviolet irradiation, the water flow executed ultraviolet irradiation being transmitted from the water outlet of the sterilization room into the impeller room of the water pump and then being mixed and pumped out with another part of the water transmitted from the front water inlet of the first end cap into the impeller room.