At the present stage, the novel Coronavirus outbreak has become quite serious globally, and all countries are making concerted efforts for epidemic prevention and control. Clean and disinfect the air duct of the central air conditioner to ensure the healthy and clean indoor air and prevent cross-infection in the room, which can effectively control the spread of the epidemic and protect people's health and safety.

The central air conditioner is in a state of power for a long time. A lot of dust, mosquito bodies and dirt gather inside the air duct of the air conditioner. If it is not cleaned in a timely manner, bacteria and mites will easily breed and pollute the indoor air, which will cause various diseases. Nowadays, a global novel Coronavirus is constantly spreading through the air to purify the air and reduce the infection of viruses. Therefore, it is necessary to regularly clean the central air conditioning duct.

Demolition of tuyere -> professional unit to determine air dust situation -> add inspection robot -> look inside the duct, determine the cleaning solution (CD) can be made up -> in needs cleaning duct two placed two airbags and cut a small opening on one side of the circular hole (or using original outlet), and referring to the hole and the trap of suction hose connection -> again from another (or use the original outlet) into the cleaning robot walk while playing loose dust by the dust catcher and the siphon off the "Yang Chen aspiration method" (suitable for medium and small duct).

Central air-conditioning duct cleaning robot, flexible forward back, left and right sides are rotating, flexible steering, single direction walking distance is not less than 20 meters, the fastest speed should be not less than 10 m/min, and adjustable speed scope, can over 4 cm high, the slope is greater than 40 ° barriers, using the portable operating platform to control the robot walking system, lifting system.