Sterilization and disinfection module for return air inlet of air conditioner

An air conditioner return air inlet sterilization and disinfection module belongs to the technical field of air conditioners and comprises a shell, a reflecting cover A, a reflecting cover B, an ultraviolet disinfection lamp A, an ultraviolet disinfection lamp B, a shading plate and a control panel. The reflecting cover A and the reflecting cover B are equal in structure and size, and the ultraviolet disinfection lamp A and the ultraviolet disinfection lamp B are equal in structure and size; each of the reflecting cover A and the reflecting cover B is of a composite layer structure and comprises a main body stainless steel material layer on the inner side and a dark-side black coating on the outer side; the shell is rectangular, an air inlet is formed in the front face of the shell, an air outlet is formed in the back face of the shell, the two handles are arranged on the two sides of the front end of the shell respectively, and the shell is transversely arranged in an air conditioner air return pipe. The ult