39results about How to "Speed coordination" patented technology

The invention relates to an energy-saving servo control system for an injection molding machine. The energy-saving servo control system comprises a control module of the injection molding machine, a servo motor, a constant displacement pump, a control element and a performing element, and further comprises a servo controller, a pressure sensor and a speed sensor, wherein the servo controller comprises a data processing module, a torque conversion module and a speed conversion module; the control module of the injection molding machine comprises a data processing module which is respectively connected to the pressure sensor, the speed sensor, the torque conversion module and the speed conversion module; the torque conversion module and the speed conversion module are respectively connected to the servo motor; the pressure sensor is arranged on an oil outlet pipeline of the constant displacement pump; the speed sensor is arranged on the output shaft of the servo motor; and the servo motor is used for receiving a torque signal and a rotation speed signal which are independent from one another. Compared with the prior art, a purpose of regulating the control system by double closed-loop feedback of a pressure flow rate and rotation speed is realized, so that the working performance of the operation of the injection molding machine is relatively stable, and the energy utilization efficiency of the injection molding machine is improved.

An electrical buck converter comprises a circuit input and a circuit output, wherein the circuit input and the circuit output have a common reference potential; a current valve having an input end andan output end, wherein the input end is connected to the circuit input end; a coil, which is connected between the output of the current valve and the circuit output; a diode, which is used in the forward direction from the reference potential to the output of the current valve; an output capacitor between the circuit output and the reference potential; a control device for periodically opening and closing the current valve. A Zener diode with a forward direction to the reference potential is inserted between the anode of the diode and the reference potential, and a resistor is provided parallel to the diode.

The invention relates to the technology of rotor coil binding of generators, in particular to a rotor coil binding machine of a wind power generator. The invention solves the problems of large labor intensity, low efficiency and difficult control of quality caused by manual binding because of the insulation of the rotor coil of the traditional wind power generator. The rotor coil binding machine of the wind power generator comprises a numerical control system, a stand, a feeding system, a rotor coil clamping synchronous device and a lapping head, and mainly comprises a servo motor, a decelerator, a ball screw, as well as a trailing plate and a linear guide rail connected by a shaft coupler, a synchronous driving pulley, a synchronous driven pulley and a synchronous belt, wherein the synchronous belt with a tension wheel is arranged on the synchronous driven pulley, the shaft coupler is arranged between synchronous transmission pulleys at the bottom end, and the synchronous driving pulley and the synchronous driven pulley at the upper end are respectively provided with a rocking arm, a left clamp rod, a right clamp rod and a clamp. Compared with the binding machine in the prior art, the rotor coil binding machine of the wind power generator has reasonable structure, favorable effect and optimal cost performance.

The invention discloses a brushless disc type double-rotor motor, which comprises a motor housing, a stator fixedly arranged inside the axial ends of the motor housing, an outer rotor arranged in the motor housing and matched with the stator, and One end of the motor housing is rotatably connected to the outer rotor output shaft fixedly connected to the outer rotor, and the inner rotor arranged in the motor housing and matched with both the stator and the outer rotor is rotatably connected to the other end of the motor housing and connected to the inner rotor. The output shaft of the inner rotor is fixedly connected, and the inverter is electrically connected to the stator. The present invention has the characteristics of a disc-type permanent magnet motor, the stator is fixed on the inner side of the end covers at both ends, the permanent magnet inner rotor is fixed on the inner rotor output shaft to rotate together, the claw pole rotor is located between the two-phase stator and the inner rotor, and They form an electrical angle of 90° to each other, and are fixed on the output shaft of the outer rotor to rotate together. Only a set of two-phase inverters can be used to coordinate the work to realize brushless power feeding and the speed / torque difference between the two shafts. adjust.

The invention discloses a bottom moving mechanism of a robot and a method for using the same. It comprises a moving frame and a trapezoidal structure bearing plate with an upper opening. A driving axle is fixedly installed at one end of the inner side of the moving frame. A gear box and a gear box are fixedly installed in the middle of the driving axle. One side of the box is rotated with a motor, and the gearbox is fixedly connected to the driving wheel at one end of the mobile frame through the transmission shaft. Shock absorber A, the other end of the mobile frame rotates through the rotating shaft and is equipped with a driven wheel, the two inner walls of the bearing plate are connected by the shock absorber B, the upper end of the bearing plate is provided with a connecting groove, and by setting the planetary gear, the planetary gear The ring gear acts as the driving shaft, and the planetary gear acts as the follower, its torque is increased, and the speed of the planetary gear is also increased, and the torque and speed are increased at the same time, so that the wheel has both a certain torque and a high speed.