Air sterilization and disinfection device for marine air conditioner

The utility model relates to the technical field of sterilization and disinfection, in particular to a marine air conditioner air sterilization and disinfection device which comprises a transition box, an air inlet box and a sterilization chamber, the air inlet box is arranged behind the transition box and connected with an air return opening of a marine air conditioner, the sterilization chamber is arranged on one side of the transition box, and the transition box, the air inlet box and the sterilization chamber are communicated. The sterilization chamber comprises an air suction box body and a sterilization air duct, the suction force of the air suction box body is larger than that of the air inlet box, a check block is arranged in the sterilization air duct and fixedly arranged on the side wall of the sterilization air duct, and sterilization lamp strips are arranged on the two sides of the check block and the two sides of the joint of the side wall of the sterilization air duct and the check block; accord