Ultraviolet light disinfection apparatus, control box and massage pool

An ultraviolet light disinfection apparatus, characterized by being mounted on a water pipe connected to a massage pool, and comprising:

• a housing, being mounted on the water pipe and in closed connection with the water pipe;
• a PCB (Printed Circuit Board), being disposed in the housing, and provided with a UVC-LED light source and a wire that protrudes from the housing to be connected to a power source;
• and an ultraviolet light-transmitting body, being disposed on the housing, wherein ultraviolet light in a UVC wavelength range produced by the UVC-LED light source can penetrate through the ultraviolet light-transmitting body to enter a water body inside the water pipe, characterized in that the housing comprises an outer housing and an inner housing which are detachably connected, the outer housing is mounted on the water pipe and is in closed connection with the water pipe, the inner housing is provided with a through hole for the wire to pass, the outer housing and the inner housing enclose a containing cavity, the PCB, the UVC-LED light source and the ultraviolet light-transmitting body are located in the containing cavity, and a window allowing ultraviolet light to transmit is formed in a part, corresponding to the ultraviolet light-transmitting body, of a wall of the outer housing.