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    • 35. 发明授权
    • RPM regulation of an electromotor
    • 电机的转速调节
    • US4761591A
    • 1988-08-02
    • US27492
    • 1987-03-18
    • Jurgen Hartwig
    • Jurgen Hartwig
    • H02P29/00H02P25/04H02P25/14H02P27/02H02P5/00
    • H02P25/145Y10S388/91Y10S388/917
    • A device for regulating the RPM of an electromotor with an RPM generator coupled to it for generating pulses, measures the intervals between the pulses of a measure of the RPM of the motor. The device includes an oscillator for generating clock signals, which are transmittable to a counter, which counts the number of clock signals between successive pulses of the oscillator, a register, which accepts the counter indication and a device for generating a control value for correcting the RPM of the electromotor over a digital-to-analog converter connected in series to the motor. To generate the control value for regulating the RPM, and RC network containing a manually adjustable control resistance is provided, the capacitor of which can be short-circuited by a switch, which can be activated by an oscillator-driven contact mechanism. The capacitor is additionally connected to a circuit element for switching on the counter, whose switching off can be activated by the oscillator-driven contact mechanism.
    • 用于通过与其相连的RPM发生器来调节电动机的RPM以产生脉冲的装置,测量电动机的RPM的量度的脉冲之间的间隔。 该装置包括用于产生时钟信号的振荡器,其可发送到计数器,该计数器对振荡器的连续脉冲之间的时钟信号的数量,接受计数器指示的寄存器和用于生成用于校正控制值的控制值的装置 电动机通过与电动机串联连接的数模转换器的转速。 为了产生用于调节RPM的控制值,并且提供了包含可手动调节的控制电阻的RC网络,其电容器可以由开关短路,这可以由振荡器驱动的接触机构激活。 电容器另外连接到用于接通计数器的电路元件,其关断可以由振荡器驱动的接触机构激活。