Abstract: A handheld cleaner is provided. The handheld cleaner includes: a dust cup assembly comprising: a cup casing; a device housing configured to have a tube shape and disposed in the cup casing, wherein an outer end face of the device housing at an axial side thereof abuts against or extends out of a partial inner surface of the cup casing, and a dust removal chamber is defined between an inner surface of the cup casing and an outer peripheral surface of the device housing and surrounds the device housing along a circumferential direction of the device housing; and a negative pressure device located within the device housing and configured to enable dusty air to enter the dust removal chamber for dust and air separation; a holding assembly mounted to the dust cup assembly and configured for handholding.

Abstract: A home robot and control method thereof; the home robot comprises: a casing (100); a plurality of ultrasonic transmitters (200) and a plurality of ultrasonic receivers (300) provided on the casing (100) arranged at intervals; and a controller (400) connected to the plurality of ultrasonic transmitters (200) and the plurality of ultrasonic receivers (300) respectively, the controller (400) being used to control the plurality of ultrasonic transmitters (200) to transmit first ultrasonic wave signals according to a preset period and to detect a front obstacle according to signals received by the plurality of ultrasonic receivers (300). The home robot can detect the direction of an obstacle, and is not affected by a material of the obstacle, thus enabling the home robot to perform an avoidance method according to the detected direction of the obstacle, avoiding a collision between the home robot and the obstacle, increasing a cleaning coverage rate and improving a user experience.

Abstract: A dust collector, including a casing, a dust collection system arranged in the casing, an impeller (100) and a permanent magnet type brushless direct current motor (200). The impeller (100) is arranged in the casing and located downstream of the dust collection system. The permanent magnet type brushless direct current motor (200) is connected to the impeller (100) and located at a side, far away from the dust collection system, of the impeller (100). The permanent magnet type brushless direct current motor (200) includes a stator (2), a rotor (3) and a block-shaped permanent magnet (4). The rotor (3) and the stator (2) are arranged coaxially, the rotor (3) can rotate relative to the stator (2), and the permanent magnet (4) is fixed to the rotor (3).

Abstract: A ground brush for a vacuum cleaner includes a ground brush body, a brushroll cover, a brushroll assembly and a microswitch. The brushroll cover is disposed on the ground brush body in such a manner that the brushroll cover can be opened and closed, and provided with a triggering part, wherein the brushroll cover and the ground brush body define a mounting space therebetween. The brushroll assembly is disposed in the mounting space and provided with a control circuit. The microswitch is disposed on the ground brush body, wherein the triggering part triggers the microswitch to turn on the control circuit when the brushroll cover is closed on the ground brush body, and the triggering part releases a trigger action on the microswitch to turn off the control circuit when the brushroll cover is opened.

Abstract: A home robot and control method thereof; the home robot comprises: a casing (100); a plurality of ultrasonic transmitters (200) and a plurality of ultrasonic receivers (300) provided on the casing (100) arranged at intervals; and a controller (400) connected to the plurality of ultrasonic transmitters (200) and the plurality of ultrasonic receivers (300) respectively, the controller (400) being used to control the plurality of ultrasonic transmitters (200) to transmit first ultrasonic wave signals according to a preset period and to detect a front obstacle according to signals received by the plurality of ultrasonic receivers (300). The home robot can detect the direction of an obstacle, and is not affected by a material of the obstacle, thus enabling the home robot to perform an avoidance method according to the detected direction of the obstacle, avoiding a collision between the home robot and the obstacle, increasing a cleaning coverage rate and improving a user experience.

Abstract: A cyclonic separating device includes: a first cyclonic separator defining a first longitudinal axis; a plurality of second cyclonic separators located downstream of the first cyclonic separator, arranged circumferentially around the first longitudinal axis in parallel, and integrally received in the first cyclonic separator; an inlet passage at least partially received in the first cyclonic separator; a guiding passage communicated with the inlet passage and the first cyclonic separator respectively, in which a fluid introduced through the inlet passage is tangentially guided into the first cyclonic separator by the guiding passage. In addition, a surface cleaning apparatus, a cleaner and a method for separating dust from a dust containing air using the cyclonic separating device are further provided.

Abstract: A dust collector for a cleaner and a cleaner are provided. The dust collector includes a dust-collection container (10) defining an inner chamber therein and having a dust-laden air inlet (101) and an air outlet (102); a filter (30) disposed in the dust-collection container (10) and having a filtering cup (32) and a flange (31), the flange (31) being connected with an inner wall of the dust-collection container (10) to divide the inner chamber into a first chamber (103) and a second chamber (104); and a cyclone barrel (20) disposed in the second chamber (104) and having an air inlet (201), an open upper end (202) and a closed lower end (203), a lower end of the filtering cup (32) being extended into the cyclone barrel (20) through the open upper end (202), the open upper end (202) being spaced apart from a lower surface (311) of the flange (31).

Abstract: A cyclone separator is provided. The cyclone separator includes: a cyclone, an end cover of the cyclone separator, a filter and a wind guiding cylinder. The cyclone has an open end and a bottom wall defining an inlet of the cyclone separator therein. The end cover of the cyclone separator is disposed over the cyclone and defines an outlet of the cyclone separator therein. The filter has an upper end communicating with the outlet of the cyclone separator and a lower end extended into the cyclone. The wind guiding cylinder has a lower end communicating with the inlet of the cyclone separator, a closed upper end and a side wall defining a vent communicating with the cyclone.

Abstract: A cleaner and a vertical cleaner are provided. The cleaner includes: a body having a connecting tube; a brush holder, with a rolling brush mounted therein; a motor cover rotatably mounted onto the brush holder around a first axis, defining an accommodating space therein, and having an opening, the connecting tube being configured to connect to the opening rotatably around a second axis different from the first axis; a motor disposed in the accommodating space for driving the rolling brush to rotate relative to the brush holder around a third axis parallel to the first axis.

Abstract: A dust collector for a cleaner is provided, including: a dust container, a cyclone separator and a dust container top cover. The dust container defines an air inlet in a bottom wall thereof. The cyclone separator is disposed in the dust container and defines a cyclone separator inlet communicated with the air inlet and a cyclone separator outlet. The dust container top cover covers the dust container and defines an air outlet communicated with the cyclone separator outlet.