Ultraviolet disinfection device

An ultraviolet disinfection device relates to a disinfection device. The utility model provides an improved ultraviolet disinfection device which is provided with a tank body, an exhaust fan, at least one ultraviolet lamp, a sliding rail vehicle, a timer, a power switch and a reflector, wherein the exhaust fan is arranged on the tank body; the at least one ultraviolet lamp is arranged in the exhaust fan; a track is arranged at the bottom of the tank body; the sliding rail vehicle is arranged on the track and moves on the track; the tank body is provided with a door; the timer and the power switch are arranged on the tank body; and the reflector is arranged in the tank body. The improved ultraviolet disinfection device is suitable for disinfection of large-scale devices, instruments and goods, has strong mobility, can be used for emergency treatment of sudden public health events of ports, can irradiate in all dimensions from different angles and carry out the total and through disinfection. The interior of th