Abstract: A power supply control device including a power supply and a switching control system. The power supply includes a solar power supply unit and an electric network power supply unit. The solar power supply unit includes solar cells and a DC-DC boosting circuit; an output terminal of the solar cells is connected with an input terminal of the DC-DC boosting circuit and the output terminal of the DC-DC boosting circuit supplies power to the exterior. The electric network power supply unit includes an AC-DC rectifying circuit; an input terminal of the AC-DC rectifying circuit is connected to an electric network alternating current input and an output terminal thereof supplies power to the exterior. A ventilating device using the power supply device is also provided.

Abstract: A heat-dissipation structure for a motor including a motor shell, a control box, and a coupling shell. One end of the coupling shell is connected to the bottom of the motor shell and the other end thereof is connected to the top of the control box and a plurality of air vents are arranged on a side wall of the coupling shell. The introduction of the coupling shell enlarges the inner space of the control box and achieves rapid heat dissipation and a better heat dissipation effect. The heat-dissipation structure features rapid heat dissipation, excellent heat dissipation effect, a simple structure, an attractive shape, and great universality.

Abstract: A braking device for a rotating shaft and a gear motor system using the same. The braking device includes a brake subassembly, a rotating shaft, and a sleeve. The rotating shaft is sheathed with the sleeve. The brake subassembly includes an adjustable screw, a spring, and a brake disc. One end of the spring presses on top of the brake disc and the other end presses at the bottom of the adjustable screw. After the adjustable screw is fixed, the bottom surface of the brake disc is tightly against the outer surface of the sleeve. When the adjustable screw is adjusted, the amount of compression of the spring is changed and the pressure imposed on the brake disc by the spring varies accordingly such that the friction between the brake disc and the sleeve is changed.

Abstract: A plastic-package motor, including: a rotating shaft, a rotor assembly, a plastic-package stator, a front end cover, a rear end cover, an injection-molding end plate, and a conducting strip. The rotating shaft and the rotor assembly are installed and connected together. The plastic-package stator is sleeved outside the rotor assembly. The front end cover is injection-molded on the injection-molding end plate at the bottom of the plastic-package stator. The injection-molding end plate is covered outside the front end cover. The rear end cover is installed at the other end of the plastic-package stator, and two ends of the rotating shaft are supported on a bearing of the front end cover and a bearing of the rear end cover, respectively. One end of the conducting strip is electrically connected with the front end cover.

Abstract: A blower fan including a motor having a rotating shaft, a bracket, a fan housing having a cavity, a fan wheel, and fan blades. The motor is disposed on the fan housing via the bracket. An extended portion of the rotating shaft extends into the cavity of the fan housing and connects with the fan wheel. The fan blades are disposed on the rotating shaft and between the motor and the fan housing. On the casing of the motor is disposed with air vents. The bracket forms an annular side wall. A cavity is formed inside the annular side wall. The annular side wall is outfitted with air outlets which are connected with the cavity of the annular side wall and the fan blades are disposed in the cavity.

Abstract: An assembly structure, including an end cover and a shell. The end cover includes a rabbet, a side wall, and an end surface. The shell includes an end part. A plurality of clamping grooves is arranged at a bottom of the rabbet and on the side wall of the end cover. Through holes are arranged above the clamping grooves and on the end surface of the end cover and communicate with the clamping grooves. A plurality of notch grooves is arranged at the end part of the shell. Clamping strips are arranged above the notch grooves and at the end part of the shell. The end cover is installed at the end part of the shell. The clamping strips are embedded in the clamping grooves for allowing the shell and the end cover to be connected together.

Abstract: A strip stator including: a strip stator core; a plurality of upper end insulation groups; and a plurality of lower end insulation groups. The stator core includes two ends. Each upper end insulation group includes at least two upper end insulations connected together by injection molding. Each lower end insulation group includes at least two lower end insulations connected together by injection molding. The upper end insulation groups and the lower end insulation groups are arranged on the two ends of the strip stator core, respectively.

Abstract: A combination of a motor and a wind wheel. The motor includes a shaft (11) including a plurality of mounting holes (21). The wind wheel (2) is arranged on the motor (1). A plurality of wind blades (22) is arranged on the mounting plate (21). A first through hole (210) is disposed on a middle part of the mounting plate (21). A boss (23) is disposed on the mounting plate (21) outside the first through hole (210). A second through hole (230) is arranged on the boss (23). A plurality of mounting holes (110) is arranged on the shaft (11). The shaft (11) passes through the first through hole (210). A screw (3) passes through the second through hole (230) and is inserted into the mounting hole (110) for fastening the wind wheel (2) on the shaft (11).

Abstract: A terminal box for a centrifugal switch of a motor, having at least a housing, a movable control rod extending from the housing, a cavity disposed on end surface of the housing, and a thermostat disposed in the cavity. A protruding block is disposed on the inner wall of the cavity. A reversed hook is disposed on outer side wall of the thermostat. The bottom of the protruding block abuts against the top of the reversed hook whereby fixing the thermostat in the cavity. The invention effectively simplifies the installation structure of the thermostat and the cavity; the overall installation structure is simple and stable, the cost of the structure is low, and structure of electrical connection in the terminal box is simple and reliable.

Abstract: A daughter circuit board of an electronically commutated motor for interface signal conversion, having circuit units integrated on the daughter circuit and eight ports for communicating with a control system of a user terminal, the daughter circuit board being plugged into a motor controller for signal conversion so that the motor controller communicates with the control system of the user terminal. The eight ports include an input port of power supply, a port of mode selection, a signal port of PWM, a R/T port for data transmission between the daughter circuit board and the control system of the user terminal, a port of COM, a port for fault signal output, a port of power indication, and a port of speed feedback. The daughter circuit board is simple, easy to correspond with various control systems of user terminals, and accords to the latest electric standard thereby facilitating management and popularization.

Abstract: A connecting structure for use between a wind wheel of a blower and a motor shaft in combination with the wind wheel (1) and the connecting structure including a shaft sleeve (3). The wind wheel (1) includes a bottom plate (11), and the bottom plate (11) is convex to form a sleeve cover (12). A bottom surface and a side surface of the shaft sleeve (3) is wrapped by the sleeve cover (12). A thread (21) is arranged on an end of the shaft (2). A shaft step (22) is arranged on the shaft (2) at an inner side of the thread (21). The thread (21) arranged on the end of the shaft (2) is inserted into a threaded hole (31) arranged inside the shaft sleeve (3). The shaft step (22) is attached to a top surface of the shaft sleeve.

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 stator structure, including strip shaped stator cores and end insulators. The end insulators are injection molded with the strip shaped stator cores, as a whole. A wire duct is arranged on top of a yoke of each strip shaped stator core and at the bottom of each end insulator. Two ends inside the wire duct are projected with bosses. Coil windings wind around the bosses and pass through the wire duct. The stator structure is simple and easy to mass produce. It can make full use of the slot filling ratio of the strip shaped stator. The invention solves the puncture problem.

Abstract: A permanent magnet rotor of a motor including a rotor core and permanent magnets. The rotor core includes a central core, a plurality of sectional cores, and a connecting mechanism. The sectional cores are integrated with the central core via the connecting mechanism to form a whole iron core. Grooves are formed between each sectional core and the central core and the permanent magnets are embedded in the grooves. The permanent magnet rotor has a simple structure, excellent manufacturability in terms of production and assembly, low manufacturing costs, excellent electromagnetic performance, and meanwhile is robust enough to avoid potential deformation.

Abstract: A lead sheath, including an upper jaw, and a lower jaw, the upper jaw and the lower jaw are buckled with each other. A wire outlet hole is formed at the outside of the connection between the upper jaw and the lower jaw. A wire inlet hole is formed at the inside of the connection between the upper jaw and the lower jaw. A cavity is formed between the wire outlet hole and the wire inlet hole. A protruding wire pressing rib is disposed on one of the upper jaw or the lower jaw, and the wire pressing rib extends into the cavity.

Abstract: A motor, including: a stator, a rotor, and a motor controller. The motor controller is connected to a network interface circuit (NIC). The motor can be directly connected to a network, which makes it possible for technicians to facilitate remote control, debugging, remote diagnosis, and troubleshooting. The motor is easy to be identified, and features improved functions, wider application range, and more convenient use.

Abstract: A motor structure including a stator assembly having a stator core and a winding and a rotor assembly embedded therein having a rotor core and a permanent magnet. The stator core includes a yoke and a plurality of teeth protruding inwards from the yoke. Two adjacent teeth form a wire embedding slot and the winding is placed inside the wire embedding slot and winds around the teeth. The rotor core includes an annular ring having a central axial pore and a plurality of magnetic induction blocks protruding outwards from an outer side of the annular ring. Two adjacent magnetic induction blocks form a radial recess for mounting the permanent magnet. The section of an outer side surface of the magnetic induction blocks is a circular-arc line. The outer side surface employs a point with a distance deviating from the center of the central axial pore as a center of circle.

Abstract: A heat-dissipation structure for a motor controller. The heat-dissipation structure includes a control box, a circuit board, a plurality of radiators, and IGBT modules. The circuit board is installed in the control box. Each radiator includes a side plate and a heat dissipation block protruding from the side plate. The side plate is attached to an inner wall surface of the control box. The IGBT modules are installed on the heat dissipation block, and the pin terminals protruding from the IGBT modules are in electric or electronic connection with the circuit board.

Abstract: A daughter circuit board of an electronically commutated motor for interface signal conversion, including circuit units integrated on the daughter circuit board and five ports for communicating with a control system of a user terminal. The five ports include: a R/T port, a Vcc port, a Common port, a Vsp port, and an FG port.

Abstract: A self-lubricating bearing system, including a sliding bearing (1), an oil-storage groove (2), and lubricating oil (3). The oil-storage groove (2) is disposed in the sliding bearing (1). The lubricating oil (3) is disposed in the oil-storage groove (2). A housing (4) is fit on the sliding bearing (1). The housing (4) extends from front end surface of the sliding bearing (1). The top of the housing (4) bends inwards to form an oil-return barb (5). A retaining ring (9) is disposed on the front end surface of the sliding bearing (1). An oil-return hole (10) is formed between the retaining ring (9) and the sliding bearing (1). The oil-return hole (10) is connected to the oil-storage groove (2).