Automatic double-speed control motor after secondary electrification
A control relay, two-speed technology, applied in the direction of DC motor rotation control, excitation or armature current control, connection with control/drive circuit, etc. , to achieve the effect of improving material utilization and work efficiency, improving work mode and simple operation
Pending Publication Date: 2022-03-25
杭州广力机电科技有限公司
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An automatic double-speed control motor after secondary electrification comprises a motor excitation soft coil (1), a motor excitation hard coil (2), an electric brush (3), a motor rotor (4), a control box (5), a reverse direction contactor, a forward direction contactor, a direction relay (54), a secondary reverse rotation controller (55), a control relay (56) and the like, the automatic double-speed control motor after secondary electrification is applied to an automobile electric winch and an electric fork truck hydraulic unit, a motor excitation hard coil (2), an electric brush (3) and a motor rotor (4) are connected in series, a motor excitation soft coil (1) is connected in parallel in the forward direction, the motor rotates in the forward direction, after secondary electrification operation is carried out within limited time, the motor excitation soft coil (1) does not participate in working, and the motor excitation soft coil (1) does not participate in working. And the electric brush (3) and the motor rotor (4) are conducted, the motor excitation hard coil (2) is reversely conducted, then the motor excitation hard coil (2) is reversely connected to the motor excitation soft coil (1) for parallel operation, and the motor rotates reversely.
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