Abstract: A motor controller including a control box and a control panel disposed in the control box. The control box includes at least a first chamber and a second chamber. The control panel is disposed in the first chamber.

Abstract: A rotor assembly including a rotor core, a plurality of permanent magnets, and a plastic body. The rotor core includes an inner core and a plurality of outer cores surrounding the inner core. The inner core includes an axial through hole. The plurality of outer cores is circumferentially disposed at intervals around the inner core; a radial groove is formed between every two adjacent outer cores. The plurality of permanent magnets is embedded in a plurality of radial grooves, respectively. The plurality of radial grooves each includes a first opening away from the inner core and a second opening towards the inner core; every outer core includes a first end away from the inner core and a second end towards the inner core. The first end includes two first hooks disposed on two sides of the first end, respectively.

Abstract: A motor controller including a control box and a control panel disposed in the control box. The control box includes at least a first chamber and a second chamber. The control panel is disposed in the first chamber.

Abstract: A fan system including a volute, a wind wheel, a motor, and a motor controller. The motor controller includes a control box including a plurality of fins for dissipating heat of the motor controller, and controls the operation of the motor to drive the wind wheel. The wind wheel is adapted to suck ambient air to form an air flow which passes through the plurality of fins.

Abstract: A fan system including a volute, a wind wheel, a motor, and a motor controller. The motor controller includes a control box including a plurality of fins for dissipating heat of the motor controller, and controls the operation of the motor to drive the wind wheel. The wind wheel is adapted to suck ambient air to form an air flow which passes through the plurality of fins.

Abstract: A motor controller, including: a supporting frame, a control circuit board, and a control box. The control box includes: a cavity, a base plate, and a plurality of fins. The control circuit board is disposed on the base plate in the cavity. The fins are disposed outside the cavity on an outer side surface of the base plate. Cooling ducts are formed between adjacent fins. The control box is fixed on the supporting frame.

Abstract: A motor controller, including: a control box including an inner wall; a circuit board; a dissipater; an IGBT module; and an insulating piece. The circuit board is disposed inside the controller box. The dissipater is disposed on the inner wall of the control box. The IGBT module is disposed on the dissipater and is in electric connection with the circuit board. The insulating piece is disposed between the dissipater and the controller and prevents the dissipater from contacting with the control box.

Abstract: A DC brushless motor having an external rotor, the motor including: a shaft, a stator assembly, an end cover, a housing, and a plurality of permanent magnets. The end cover includes a bearing. The housing includes: an inner wall, and an end. The shaft is connected with the stator assembly. The stator assembly is arranged inside the housing. The permanent magnets are positioned outside the stator assembly on the inner wall of the housing. The end cover is disposed on the end of the housing. The shaft is disposed on the bearing of the end cover.

Abstract: A motor, including: a motor body, the motor body including two ends; a damping ring, the damping ring including a bottom; a mounting bracket; a locking device; a control box; and a connection housing, the connection housing including two ends, and a sidewall. The damping ring is disposed on each end of the motor body. The bottom of the damping ring is supported by the mounting bracket. The damping ring is fixed on the mounting bracket by the locking device. One end of the connection housing is connected to a bottom of the motor body; the other end of the connection housing is connected to a top of the control box. A plurality of heat dissipation holes is arranged on the sidewall of the connection housing.

Abstract: A motor controller, including: a control box (1), the control box (1) including a bottom, the bottom including a plurality of first bosses (11); a control panel (2); a plurality of IGBT modules (3); and a heat dissipation boss (12), the heat dissipation boss (12) including an end surface. The control panel (2) is disposed and fixed on the first bosses (11) by screws. The IGBT modules (3) are disposed on the control panel (2). The heat dissipation boss (12) is disposed on the bottom of the control box (1) outside the control panel (2). The IGBT modules (3) are attached to and fixed on the end surface of the heat dissipation boss (12) by a locking device.

Abstract: A rotor assembly including a rotating shaft, a rotor core, a permanent magnet, a magnetic ring support, and a magnetic ring. The permanent magnet is mounted on the outer side surface of the rotor core. The magnetic ring is nested on the magnetic ring support, and the magnetic ring support and the rotor core are made as a whole by injection molding. The rotor assembly is relatively simple to produce, low in cost, and features improved efficiency.

Abstract: A motor controller, including: a supporting frame, a control circuit board, and a control box. The control box includes: a cavity, a base plate, and a plurality of fins. The control circuit board is disposed on the base plate in the cavity. The fins are disposed outside the cavity on an outer side surface of the base plate. Cooling ducts are formed between adjacent fins. The control box is fixed on the supporting frame.

Abstract: A combination of an outer motor and a control box therefor including an upper main body and a lower controller. The upper main body includes a casing, a front end cover, a rotor assembly, and a stator assembly. The controller includes a control box and a control circuit board, and the control box is sheathed in a tail end of the casing. A center of an upper bottom surface of the control box is arranged with a bearing chamber corresponding to that arranged at the front end cover. The control box forms a cavity downwards accommodating the control circuit board. A cover is mounted at the bottom of the control box. A fairlead arranged at an inner wall of the control box extends through the bottom of the motor casing to connect an empty cavity of the casing.

Abstract: A motor controller, including: a control box including an inner wall; a circuit board; a dissipater; an IGBT module; and an insulating piece. The circuit board is disposed inside the controller box. The dissipater is disposed on the inner wall of the control box. The IGBT module is disposed on the dissipater and is in electric connection with the circuit board. The insulating piece is disposed between the dissipater and the controller and prevents the dissipater from contacting with the control box.

Abstract: A rotor assembly, including: a permanent magnet and a rotor core. The rotor core includes an annular ring and a plurality of magnetic induction blocks. The magnetic induction blocks protrude outward from the outer side of the annular ring. A radial recess is formed between every two adjacent magnetic induction blocks for mounting the permanent magnet. An end plate and a base plate are disposed on an end surface and a bottom surface of the rotor core by injection molding, respectively. A first connecting column passes through a through hole of the magnetic induction block and connects the end plate and the base plate. An end surface of the end plate protrudes upward to form the magnetic loop bracket. A magnetic loop is disposed on a magnetic loop bracket.

Abstract: A DC brushless motor having an external rotor, the motor including: a shaft, a stator assembly, an end cover, a housing, and a plurality of permanent magnets. The end cover includes a bearing. The housing includes: an inner wall, and an end. The shaft is connected with the stator assembly. The stator assembly is arranged inside the housing. The permanent magnets are positioned outside the stator assembly on the inner wall of the housing. The end cover is disposed on the end of the housing. The shaft is disposed on the bearing of the end cover.

Abstract: A brushless DC motor, including: a motor body; a damping ring; a mounting bracket; a locking device; and a controller. The controller includes: a control box, and a circuit board. Two sides of the mounting bracket are convex upward to form two supporting plates, respectively. Each supporting plate is provided with a recess. The damping ring is disposed on each end of the motor body. A bottom of the damping ring matches with the recess of the mounting bracket. The damping ring is fixed on the mounting bracket by the locking device. The circuit board is arranged inside the control box. The control box is disposed on the motor body.

Abstract: A motor controller, including: a control box (1), the control box (1) including a bottom, the bottom including a plurality of first bosses (11); a control panel (2); a plurality of IGBT modules (3); and a heat dissipation boss (12), the heat dissipation boss (12) including an end surface. The control panel (2) is disposed and fixed on the first bosses (11) by screws. The IGBT modules (3) are disposed on the control panel (2). The heat dissipation boss (12) is disposed on the bottom of the control box (1) outside the control panel (2). The IGBT modules (3) are attached to and fixed on the end surface of the heat dissipation boss (12) by a locking device.

Abstract: A rotor assembly, including: a permanent magnet, a rotor core, and a magnetic loop. The rotor core includes an annular ring including a central axial bore, and a plurality of magnetic induction blocks protruding outward from an outer side of the annular ring. A through hole is arranged on the magnetic induction block. A radial recess is formed between every two adjacent magnetic induction blocks for mounting the permanent magnet. An end plate and a base plate are disposed on an end surface and a bottom surface of the rotor core by injection molding, respectively. A connecting column passes through the through hole and connects the end plate and the base plate as a whole body. An end surface of the end plate protrudes upward to form a magnetic loop bracket. The magnetic loop is disposed on the magnetic loop bracket.

Abstract: A rotor assembly including a rotating shaft, a rotor core, a permanent magnet, a magnetic ring support, and a magnetic ring. The permanent magnet is mounted on the outer side surface of the rotor core. The magnetic ring is nested on the magnetic ring support, and the magnetic ring support and the rotor core are made as a whole by injection molding. The rotor assembly is relatively simple to produce, low in cost, and features improved efficiency.