Lift car air sterilizer

The utility model provides a car air disinfection machine which comprises a protection filtering mechanism, and the protection filtering mechanism comprises a protection part and a filtering part arranged at the top of the protection part; a disinfection mechanism is arranged in the protection part and comprises a fan installed in the protection part, a supporting frame and a high-voltage electrostatic device located on one side of the supporting frame are installed at the top of the fan, and an electric block and an ultraviolet sterilization lamp located on one side of the electric block are installed at the top of the supporting frame. Through the arrangement of the disinfection mechanism, the fan in the disinfection mechanism can suck air in the elevator car into the box body, the air in the box body can be sterilized and disinfected through the ultraviolet sterilization lamp, plasma can be generated through the high-voltage electrostatic device, and the plasma and microorganisms (bacteria and viruses) in