Patent ID: 8496737

Claim:
A movable air purification robot system, comprising: an air purification robot, said air purification robot including: an air pollution detector detecting pollution and humidity of floating substances contained in ambient air; an air purifier circulating the ambient air containing pollutants by means of the air pollution detector and filtering, absorbing, and purifying the same; a robot propulsion unit formed of two driving wheels disposed at different lower sides of a robot body to operate independently of each other; an obstacle detector detecting obstacles to guide the movement of the robot propulsion unit; a user interface allowing a user to operate said air purification robot; and a robot control unit controlling operations of the air pollution detector, the air purifier, the robot propulsion unit, the obstacle detector, and the user interface; and a charging unit which communicates with the air purification robot charging the air purification robot; and at least one external detection device which calls the air purification robot to an air purification request region and is installed in the air purification region setting the air purification region by means of the air purification robot which has moved to the air purification request region.