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    • 9. 发明授权
    • Asynchronous motor for a drive mechanism, such as hoists or running
gears, with controllable rotational speed and rotational direction
    • 用于驱动机构的异步电动机,例如起重机或行驶齿轮,具有可控的转速和旋转方向
    • US6072296A
    • 2000-06-06
    • US290802
    • 1999-04-13
    • Eckerhardt GriebWolfgang KrebsAnton MullerGiuliano PersicoGerhard Weber
    • Eckerhardt GriebWolfgang KrebsAnton MullerGiuliano PersicoGerhard Weber
    • H02K17/30H02K7/102H02K11/22H02P23/00G05B19/29
    • H02K7/1025H02K11/22
    • An asynchronous motor for a drive mechanism, in particular a hoist or a running gear includes a motor housing with opposite end faces covered by respective end shields, and an annular short-circuit winding disposed on a motor shaft. An asynchronous motor of this type is compact and inexpensive to manufacture and can be reliably controlled even in the presence of a rear-mounted magnetic brake, by accommodating in the motor housing at least two sensor units which are arranged sequentially in the direction of rotation of the motor at the rear of the motor housing, with each sensor unit including an opto-electronic receiver and a confronting electro-optic transmitter. Secured in the motor housing on the motor shaft between the short-circuit winding and the rear end shield is a circular rotary disk which includes modulation elements for interaction with the sensor units, by modulating the intensity of optical output signals produced by the electro-optic transmitter when the modulation elements pass by the respective sensor unit. The associated receiver transforms the modulated intensity of the optical output signals for formation of at least one electric motor control signal.
    • 用于驱动机构,特别是起重机或行驶齿轮的异步电动机包括具有被相应端盖覆盖的相对端面的电动机壳体和设置在电动机轴上的环形短路绕组。 这种类型的异步电动机是紧凑的并且制造成本低廉,并且即使在后置磁性制动器的存在下也可以可靠地控制,通过在电动机壳体中容纳至少两个传感器单元,这两个传感器单元沿着 电机位于电机壳体的后部,每个传感器单元包括光电接收器和面对的电光发射器。 在短路绕组和后端屏蔽之间的电动机轴上的电动机壳体中固定有圆形旋转盘,其包括用于与传感器单元相互作用的调制元件,通过调制由电光产生的光输出信号的强度 发射机,当调制元件通过相应的传感器单元时。 相关联的接收机转换光输出信号的调制强度以形成至少一个电动机控制信号。
    • 10. 发明授权
    • Device for controlling a motor-driven hoist
    • 用于控制电动葫芦的装置
    • US06595493B2
    • 2003-07-22
    • US09804527
    • 2001-03-12
    • Wolfgang KrebsAnton Münzebrock
    • Wolfgang KrebsAnton Münzebrock
    • B66D100
    • B66C13/44G08C23/04
    • A device for controlling a motor-driven hoist, includes a housing and a control unit supplied with electric energy from a power source and secured to the housing. The control unit has control elements operable from outside the housing between an inactive ready position and an active position for delivering control signals. A transmitter is supplied with electric energy from the power source and receives the control signals from the control unit for wireless transmission of the control signals to a receiver, which is operatively connected to a power controller of the drive of a motor-driven hoist. An activation switch is so operatively connected to the power source that actuation of a control element initiates a supply of electric energy from the power source, whereas the supply of electric energy from the power source is cut, when the control elements occupy their ready position.
    • 一种用于控制电动升降机的装置,包括壳体和从动力源供给电能并固定到壳体的控制单元。 控制单元具有可操作于外壳外部的控制元件,在非活动就绪位置和用于传送控制信号的活动位置之间。 发射机从电源供给电能,并接收来自控制单元的控制信号,用于将控制信号无线传输到接收机,接收机可操作地连接到电动葫芦驱动的功率控制器。 激活开关如此操作地连接到电源,控制元件的致动启动来自电源的电能供应,而当控制元件占据其就绪位置时,来自电源的电能的供应被切断。