Ultraviolet LED liquid sterilization device

The utility model discloses an ultraviolet LED liquid sterilization device, and belongs to the technical field of liquid sterilization treatment. The device comprises a liquid pipe, a driving unit and a control unit, a cleaning ring is arranged in the liquid pipe, a UV-LED unit is arranged outside the liquid pipe, the driving unit is connected with the cleaning ring, the driving unit is used for driving the cleaning ring to reciprocate in the length direction of the liquid pipe, and the UV-LED unit is used for sterilizing liquid in the liquid pipe. The control unit is electrically connected with the driving unit, and the control unit is used for controlling the driving unit to be turned on or turned off. The liquid sterilization device overcomes the defects that in the prior art, impurities are deposited on a liquid pipe in a liquid sterilization device after being used for a long time, the sterilization effect is reduced, and manual cleaning needs to be conducted through regular disassembly, automatic cleani