mini planetary gearbox wholesale includes motor body and drive, which is a typical mechatronics product. The stator winding of the brushless motor body is mostly made of three-phase symmetrical star (or triangle) connection. A magnetized permanent magnet is fixed on the rotor. mini planetary gearbox wholesale In order to detect the position of the motor rotor, a position sensor is installed in the motor. The driver is composed of power electronic devices and integrated circuits, etc. Its function is: to accept the start, stop and brake control signal of the motor from the outside world to control the start, stop and brake of the motor; The position sensor signal and positive and negative turning signal are accepted to control the on-off condition of each power tube of the inverter bridge and generate continuous torque; Receive speed instructions and speed feedback signals to control and adjust the speed; Provides over current, over voltage and under voltage protection and display.

The main circuit is a typical voltage type AC AC circuit, or a direct AC circuit, the inverter provides equal amplitude and equal width symmetrical alternating rectangular wave motor rotation, the permanent magnet on the rotor N-S position alternating exchange, the position sensor generates three square waves with a phase difference of 120°, combined with positive/reverse signals to produce an effective state code signal. The signal of each power switch tube on and off is processed by the logic component, so that each pair of N-S poles turned by the rotor, the 6 power tubes are fixed and combined into 6 states and then switched on in turn. In each state, only two phase windings are energized, changing one state in turn, the magnetic field axis generated by the stator winding rotates in the space of 60° electrical Angle space position, the rotor is in the new position, so that the position sensor generates a new set of code, the new code changes the power tube conduction combination, so that the magnetic field axis generated by the stator winding is further advanced by 60° electrical Angle, and so on. The mini planetary gearbox wholesale generates continuous torque and drags the load for continuous rotation.

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