Abstract: A cleaning robot including a processor, a first sensor and a second sensor is provided. The first sensor and a second sensor are disposed on one side of a machine body of the cleaning robot. The processor executes a plurality of operation including: when the cleaning robot operated in an automatic charging mode, controlling the cleaning robot to move forward, and determining whether an optical signal transmitted from a charging station is sensed by the first sensor and the second sensor; when the first sensor senses the optical signal, determining the cleaning robot is located in the light emission range of the optical signal; when the second sensor senses the optical signal, determining the one side of the cleaning robot faces a charging station; controlling the cleaning robot to move forward, so that the power receiving portion of the cleaning robot contacts a power supply portion of the charging station.

Abstract: An electronic device including a self-propelled machine body and a portable machine body is provided. The self-propelled machine includes a moving module and has a first air flow channel. The portable machine body is detachably installed on the self-propelled machine body, and the portable machine body includes a suction motor. When the portable machine body is installed on the self-propelled machine body, the suction motor communicates with the first air flow channel, and the self-propelled machine body and the portable machine body are collectively actuated as a sweeping robot.

Abstract: An automatic cleaning device including a first light sensor and a controller is provided. The first light sensor is disposed at a side position of a device body. The controller is coupled to the first light sensor. When the controller performs an automatic charging operation, the controller controls the device body of the automatic cleaning device to move forward and determines whether the first light sensor senses a light signal emitted by a light emitter of the charging dock. When the first light sensor senses the light signal, the controller records a first time parameter, and when the first light sensor no longer senses the light signal, the controller records a second time parameter. The controller determines whether to execute a first return mode or a second return mode according to a first time difference between the first time parameter and the second time parameter. In addition, an automatic charging method is also provided.

Abstract: An automatic cleaning system including a charging base and a cleaning robot is provided. The charging base includes a signal transmitter and a power supply portion. The charging base determines whether to transmit a start signal by the signal transmitter according to a preset time. The cleaning robot includes a signal receiver and a power receiving portion. The power receiving portion is configured to be electrically connected to the power supply portion of the charging base when the cleaning robot performs a charging operation. When the signal receiver receives the start signal, the cleaning robot leaves the charging base, and performs a cleaning operation. In addition, a charging base suitable for charging an automatic cleaning device is also provided.

Abstract: A cleaning robot including a processor, a first sensor and a second sensor is provided. The first sensor and a second sensor are disposed on one side of a machine body of the cleaning robot. The processor executes a plurality of operation including: when the cleaning robot operated in an automatic charging mode, controlling the cleaning robot to move forward, and determining whether an optical signal transmitted from a charging station is sensed by the first sensor and the second sensor; when the first sensor senses the optical signal, determining the cleaning robot is located in the light emission range of the optical signal; when the second sensor senses the optical signal, determining the one side of the cleaning robot faces a charging station; controlling the cleaning robot to move forward, so that the power receiving portion of the cleaning robot contacts a power supply portion of the charging station.

Abstract: An automatic cleaning system including a charging base and a cleaning robot is provided. The charging base includes a signal transmitter and a power supply portion. The charging base determines whether to transmit a start signal by the signal transmitter according to a preset time. The cleaning robot includes a signal receiver and a power receiving portion. The power receiving portion is configured to be electrically connected to the power supply portion of the charging base when the cleaning robot performs a charging operation. When the signal receiver receives the start signal, the cleaning robot leaves the charging base, and performs a cleaning operation. In addition, a charging base suitable for charging an automatic cleaning device is also provided.

Abstract: An electronic device including a self-propelled machine body and a portable machine body is provided. The self-propelled machine includes a moving module and has a first air flow channel. The portable machine body is detachably installed on the self-propelled machine body, and the portable machine body includes a suction motor. When the portable machine body is installed on the self-propelled machine body, the suction motor communicates with the first air flow channel, and the self-propelled machine body and the portable machine body are collectively actuated as a sweeping robot.

Abstract: An automatic cleaning device includes a main body and a sensor. The main body includes a charging unit and a battery unit. The charging unit is arranged on a side of the main body. The automatic cleaning device is configured to decide whether to enter an auto charging mode, so as to sequentially perform a walking-along-the-wall operation and a reset charging operation. During the walking-along-the-wall operation of the automatic cleaning device, when the sensor senses a signal, the automatic cleaning device stops the walking-along-the-wall operation, and performs the reset charging operation after the main body turns a preset angle. During the reset charging operation of the automatic cleaning device, after the main body moves to the charging base, whether the charging unit contacts a charging base is determined, so as to charge the battery unit.