Robot cleaner

• Main Authors: PARK, SEONG-JU, SHIN, KYUNGUL, LEE, NO-SOO
• Format: Patent
• Language: English; French; German
• Published: 29.04.2015
• Subjects: COFFEE MILLS; CONTROLLING; DOMESTIC ARTICLES OR APPLIANCES; DOMESTIC WASHING OR CLEANING; FURNITURE; HUMAN NECESSITIES; PHYSICS; REGULATING; SPICE MILLS; SUCTION CLEANERS IN GENERAL; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES

A robot cleaner includes a drive wheel (110) driven to move on a cleaning course set according to a detection result of an internal sensor, a brush assembly (120) disposed at a bottom of the robot cleaner, and a suction unit disposed around a center of the robot cleaner to collect dust or foreign matter from a floor of a room when the brush assembly rotates while touching the floor. The suction unit includes a dust collection box (130) disposed behind the drive wheel (110) and spaced a predetermined distance therefrom, a filter unit (140) communicatively coupled to a rear side of the dust collection box (130), a suction duct assembly (150) mounted on a center of the suction unit to face the drive wheel (110) and having one end communicatively coupled to the filter unit (140) to suction air for drawing the dust and foreign matter from the floor into the dust collection box (130), a dual bumper (160) having a composite structure capable of sensing collision and compression of the dual bumper, and a battery (170) mounted between the suction duct assembly (150) and the dual bumper (160) having the composite structure. The battery (170) is spaced a predetermined distance from a front side of the drive wheel (110).