Robot dust collector

The utility model relates to a robot dust collector which comprises an outer shell, a driving device, a dust suction device, a recognition device, a control device and a power supply device. The utility model is characterized in that the robot dust collector can automatically run and intelligently avoid obstacles and cliffs according to certain route planning and can also have the function of remote control. The outer shell comprises an upper and a lower casings, a front casing and a handle which is fixed on the upper casing, the driving device comprises a left and a right driving wheels, a left and a right driving motors, a left and a right driving speed reducing boxes, a guide wheel and a control device of the guide wheel, and the dust suction device comprises a dust suction fan, an electrical motor, a dust bin, a floor mop, a screen and a dust suction pipeline. The recognition device comprises sensors for recognizing obstacles, cliffs, walls, etc., the control device comprises master chips and various control modules, and the power supply device comprises one or a plurality of sets of rechargeable cells and a control device and a charging device of the rechargeable cell.