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    • 1. 发明申请
    • Motor actuator
    • 电机执行器
    • US20060164030A1
    • 2006-07-27
    • US11337093
    • 2006-01-23
    • Yukinobu KujiraTakahiro InayoshiTokuhisa Takeuchi
    • Yukinobu KujiraTakahiro InayoshiTokuhisa Takeuchi
    • H02P25/12
    • H02P25/12
    • A motor actuator for actuating a driven member includes a control unit and a brushless motor, which includes a coil, a magnet and a hall element. The coil generates a magnetic field when being energized. The magnet rotor is rotatable in the magnetic field generated by the coil. The hall element detects a variation in the magnetic field due to rotation of the magnet rotor. Then, the hall element outputs an output signal according to the variation in the magnetic field. The control unit detects a relative position between the magnet rotor and the coil based on the output signal outputted from the hall element, and controls energization of the coil based on the relative position. Furthermore, the control unit detects a location of the driven member, and controls the brushless motor to drive the driven member based on a rotation amount of the magnet rotor.
    • 用于致动从动构件的电动机致动器包括控制单元和无刷电动机,其包括线圈,磁体和霍尔元件。 线圈在通电时产生磁场。 磁体转子可以在由线圈产生的磁场中旋转。 霍尔元件检测由于磁体转子旋转引起的磁场变化。 然后,霍尔元件根据磁场的变化输出输出信号。 控制单元基于从霍尔元件输出的输出信号来检测磁体转子与线圈之间的相对位置,并根据相对位置来控制线圈的通电。 此外,控制单元检测从动构件的位置,并且基于磁体转子的旋转量来控制无刷电动机来驱动从动构件。
    • 7. 发明授权
    • Commutator motor useful for driving automatic washers
    • 换向器马达可用于驱动自动洗衣机
    • US4323831A
    • 1982-04-06
    • US77654
    • 1979-09-21
    • Peter Bradler
    • Peter Bradler
    • H02P25/12H02K23/64H02P7/36
    • H02P25/12
    • A commutator motor can be set to different speeds by changing the external circuit connections between the single phase AC supply line and the stator field winding. The field winding is distributed in slots over at least part of the circumference of the stator bore and the field winding connection is switched, when going from a lower to a higher speed, in such a way that the axis of the stator field is rotated in the direction of rotation of the motor. For improved performance, the number of excitation turns may also be changed, simultaneously with the rotation of the field axis. The motor is particularly useful for automatic washing machine drives having a universal motor.
    • 通过改变单相交流电源线和定子励磁绕组之间的外部电路连接,可以将换向器电机设定为不同的速度。 励磁绕组在定子孔的圆周的至少一部分上分布在槽中,并且当从下到高的速度转动时,励磁绕组连接被切换成定子磁场的轴线旋转 电机的旋转方向。 为了提高性能,与励磁轴的旋转同时也可以改变激励匝数。 马达对于具有通用马达的自动洗衣机驱动器特别有用。