Ultraviolet irradiation device

The utility model discloses an ultraviolet irradiation device which comprises an ultraviolet irradiation light source box, an assembly part and a power box, the power box and the ultraviolet irradiation light source box are respectively located at the upper end and the lower end of the assembly part, and the power box and the ultraviolet irradiation light source box are stacked up and down. The ultraviolet irradiation lamp source box and the assembly part are both connected with the power box, an ultraviolet lamp source is arranged in the ultraviolet irradiation lamp source box, the upper end and the lower end of the ultraviolet lamp source are both provided with reflectors, and the arrangement directions of the reflectors are opposite. According to the utility model, the ultraviolet lamp source and the parts related to the power supply are arranged inside the box-shaped structure, the assembly parts for decoration are arranged outside the box-shaped structure, the reflectors are arranged at the upper end and