Device for drilling pump with a fixed shaft direct drive motor

摘要

Device for drilling pump with a fixed shaft direct drive motor.The present invention relates to a device for drilling rod pump suction of the direct transmission that is driven by a DC motor three-phase permanent magnet brushless motor comprises a vertical, and controller of motor (6), a circuit to perform the correct adjustment, An inversion circuit, a CPU and a driver circuit.The controller of the motor (6) is used to adjust the voltage and frequency of the engine by the circuit to perform the correct adjustment, the circuit of inversion, the CPU and the driver circuit. In this way, the speed of the motor can vary from zero to the maximum. The device is easy to operate and has a high efficiency.