Abstract: A cleaning robot having an improved structure capable of improving a user convenience and method for controlling the same are disclosed herein. A cleaning robot includes a main body to form an outer appearance and having an inlet port provided to suck a foreign matter present in a cleaning area, an operation unit detachably coupled to the main body and provided to be gripped, at least one motion sensor provided to detect a motion of the operation unit, and a control unit electrically connected to the at least one motion sensor to drive a driving motor of the main body based on the motion of the operation unit detected by the at least one motion sensor.

Abstract: Disclosed herein are a wheel assembly and a robot cleaner including a main body and a wheel assembly coupled to the main body to guide movement of the main body. The wheel assembly has a rotation arm including a first end portion rotatably mounted on the main body, a drive wheel rotatably installed on a second end portion of the rotation arm opposite the first end portion, and an elastic member including a first end installed at the main body and a second end vertically moveably installed at the rotation arm opposite the first end, such that a reduction degree of a contact force due to a descent of the drive wheel.

Abstract: An electric dust collecting device is provided. The electric dust collecting device according to an embodiment includes a mixing part into which outside air flows, an electrostatic sprayer configured to spray droplets charged to the mixing part to be combined with contaminants contained in outside air, a dust collecting part configured to form an electric field and adsorb droplets combined with contaminants, and a draining part combined with the dust collection part to discharge the droplets adsorbed in the dust collecting part.

Abstract: A cleaning system, including a robot cleaner and a station are provided. The cleaning system includes a robot cleaner including a dust collector, the dust collector provided with a dust outlet, and an outlet door configured to open and close the dust outlet. The robot cleaner further includes a station including a lever device configured to open the outlet door and communicate with the dust collector when the lever device is pressed by the robot cleaner, and a collector configured to communicate with the lever device, and generate a suction force to suction dust collected in the dust collector.

Abstract: Disclosed herein are a wheel assembly and a robot cleaner including a main body and a wheel assembly coupled to the main body to guide movement of the main body. The wheel assembly has a rotation arm including a first end portion rotatably mounted on the main body, a drive wheel rotatably installed on a second end portion of the rotation arm opposite the first end portion, and an elastic member including a first end installed at the main body and a second end vertically moveably installed at the rotation arm opposite the first end, such that a reduction degree of a contact force due to a descent of the drive wheel.

Abstract: Disclosed herein are a wheel assembly and a robot cleaner including a main body and a wheel assembly coupled to the main body to guide movement of the main body. The wheel assembly has a rotation arm including a first end portion rotatably mounted on the main body, a drive wheel rotatably installed on a second end portion of the rotation arm opposite the first end portion, and an elastic member including a first end installed at the main body and a second end vertically moveably installed at the rotation arm opposite the first end, such that a reduction degree of a contact force due to a descent of the drive wheel.

Abstract: A cleaning robot having an improved structure capable of improving a user convenience and method for controlling the same are disclosed herein. A cleaning robot includes a main body to form an outer appearance and having an inlet port provided to suck a foreign matter present in a cleaning area, an operation unit detachably coupled to the main body and provided to be gripped, at least one motion sensor provided to detect a motion of the operation unit, and a control unit electrically connected to the at least one motion sensor to drive a driving motor of the main body based on the motion of the operation unit detected by the at least one motion sensor.

Abstract: A cleaning robot having an improved structure capable of improving a user convenience and method for controlling the same are disclosed herein. A cleaning robot includes a main body to form an outer appearance and having an inlet port provided to suck a foreign matter present in a cleaning area, an operation unit detachably coupled to the main body and provided to be gripped, at least one motion sensor provided to detect a motion of the operation unit, and a control unit electrically connected to the at least one motion sensor to drive a driving motor of the main body based on the motion of the operation unit detected by the at least one motion sensor.

Abstract: Disclosed herein are a vacuum cleaner including: a base including a suction opening; a main frame including a dust collecting apparatus configured to remove dust from air sucked through the suction opening; and a wheel assembly including a forward wheel and a reverse wheel, and rotatably coupled with the base, wherein when the main frame slides with respect to the base, any one of the forward wheel and the reverse wheel contacts a floor. Therefore, the vacuum cleaner may understand a user's intention without adding a senor and a control circuit, and travel actively according to the user's intention.

Abstract: A cleaning system, including a robot cleaner and a station are provided. The cleaning system includes a robot cleaner including a dust collector, the dust collector provided with a dust outlet, and an outlet door configured to open and close the dust outlet. The robot cleaner further includes a station including a lever device configured to open the outlet door and communicate with the dust collector when the lever device is pressed by the robot cleaner, and a collector configured to communicate with the lever device, and generate a suction force to suction dust collected in the dust collector.

Abstract: An electric dust collecting device is provided. The electric dust collecting device according to an embodiment includes a mixing part into which outside air flows, an electrostatic sprayer configured to spray droplet charged to the mixing part to be combined with contaminants contained in outside air, a dust collecting part configured to form an electric field and adsorb droplet combined with contaminants, and a draining part combined with the dust collection part to discharge the droplet adsorbed in the dust collecting part.

Abstract: A cleaning robot includes a main body and a drive unit to move the main body. The drive unit includes a plurality of motors to generate driving force; a plurality of wheels connected to one of the plurality of motors and rotating by driving force received from the one of the plurality of motors; and a driving frame to support the plurality of wheels, receive driving force from another motor among the plurality of motors, and rotate for changing positions of the plurality of wheels.

Abstract: Disclosed herein are a wheel assembly and a robot cleaner including a main body and a wheel assembly coupled to the main body to guide movement of the main body. The wheel assembly has a rotation arm including a first end portion rotatably mounted on the main body, a drive wheel rotatably installed on a second end portion of the rotation arm opposite the first end portion, and an elastic member including a first end installed at the main body and a second end vertically moveably installed at the rotation arm opposite the first end, such that a reduction degree of a contact force due to a descent of the drive wheel.

Abstract: A robot cleaner includes a plurality of motors each of which transmits a driving force, a pad assembly which is connected to one of the plurality of motors to receive a rotational force from the motor, to rotate in a clockwise or counterclockwise direction, and thus to clean a floor surface, and a wire which is connected to the pad assembly and another one of the plurality of motors so that the pad assembly is tilted by the driving force of the motor, wherein the robot cleaner moves in a particular direction by a non-uniform frictional force between a bottom surface of the pad assembly and the floor surface. The robot cleaner uses wires to tilt the pad assembly and, thus, it is possible to miniaturize the robot cleaner.

Abstract: Disclosed herein are a vacuum cleaner including: a base including a suction opening; a main frame including a dust collecting apparatus configured to remove dust from air sucked through the suction opening; and a wheel assembly including a forward wheel and a reverse wheel, and rotatably coupled with the base, wherein when the main frame slides with respect to the base, any one of the forward wheel and the reverse wheel contacts a floor. Therefore, the vacuum cleaner may understand a user's intention without adding a senor and a control circuit, and travel actively according to the user's intention.

Abstract: A cleaning robot having an improved structure capable of improving a user convenience and method for controlling the same are disclosed herein. A cleaning robot includes a main body to form an outer appearance and having an inlet port provided to suck a foreign matter present in a cleaning area, an operation unit detachably coupled to the main body and provided to be gripped, at least one motion sensor provided to detect a motion of the operation unit, and a control unit electrically connected to the at least one motion sensor to drive a driving motor of the main body based on the motion of the operation unit detected by the at least one motion sensor.

Abstract: Disclosed is a robot cleaner capable of reducing the material cost thereof by use of fewer motors, and performing wet cleaning while travelling in all directions and rubbing the floor surface, the robot cleaner includes a plurality of motors generating driving forces, a plurality of pad assemblies configured to rotate by receiving a driving force from one of the plurality of motors, and provided in a tilted manner so that a bottom surface of each of the plurality of pad assemblies has an uneven frictional force with respect to a floor surface, and a tilt gear unit configured to simultaneously vary tilting directions of the plurality of pad assemblies by receiving a driving force from another one of the plurality of motors, wherein the robot clean can travel in all directions depending on a tilting direction and a rotational direction of each of the plurality of pad assemblies.

Abstract: Disclosed herein is a cleaning robot including an improved driving unit to escape from an undriveable state occurring under various driving conditions. The cleaning robot includes a body, and a driving unit that drives the body. The driving unit includes a first driving motor and a second driving motor that generate driving power; a driving wheel that rotates when the driving power is delivered to the driving wheel from the first driving motor; and a wheel frame that supports the driving wheel to be rotatable and rotates between a first position and a second position with respect to a motor shaft of the first driving motor. The wheel frame rotates in at least one section between the first position and the second position when the driving power is delivered to the wheel frame from the second driving motor.

Abstract: A pad changer capable of automatically replacing a pad used to wipe out dust on a floor, a cleaner and a cleaner system having the pad changer are provided. The pad changer to replace a pad mounted to a cleaner includes a replacement unit. The replacement unit includes a separation cartridge to separate the pad from the cleaner and receive the separated pad therein, and a mounting cartridge to receive a pad therein and mount the pad to the cleaner.

Abstract: A robot cleaner capable of moving in diverse directions and enhancing cleaning efficiency by increasing frictional force between a pad and a floor includes two or more driving units. Each of the driving units includes plural motors, a first subframe connected to at least any one of the motors and configured to rotate by receiving rotational force from the motor, a rotating plate assembly mounted to the first subframe and configured to be slanted with respect to a floor by rotation of the first subframe and to rotate clockwise or counterclockwise by receiving rotational force from another motor, and a pad provided at the rotating plate assembly and configured to contact the floor. When the rotating plate assembly is slanted with respect to the floor, nonuniform frictional force is generated between the pad and the floor, through which the robot cleaner travels.