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    • 3. 发明公开
    • BRAKE CONTROLLER, ELEVATOR SYSTEM AND A METHOD FOR PERFORMING AN EMERGENCY STOP WITH AN ELEVATOR HOISTING MACHINE DRIVEN WITH A FREQUENCY CONVERTER
    • 制动控制,电梯系统和方法实施紧急停止由变频器驱动的电梯曳引机
    • EP2855322A4
    • 2016-02-10
    • EP13797215
    • 2013-05-20
    • KONE CORP
    • KATTAINEN ARIRAASSINA PASISAARIKOSKI TAPIOSTOLT LAURINAKARI ARTOKALLIONIEMI ANTTI
    • B66B1/32
    • B66B5/02B66B1/30B66B1/32B66B5/00B66B5/0031B66B5/06B66B13/22
    • A drive device of an elevator includes a DC bus, a motor bridge connected to the DC bus for the electricity supply of the elevator motor, a control circuit with which control circuit the operation of the motor bridge is controlled by producing control pulses in control poles of high-side and low-side switches of the motor bridge, a brake controller, which comprises a switch for supplying electric power to an electromagnetic brake, a brake control circuit, with which the operation of the brake controller is controlled, an input circuit for the safety signal to be disconnected/connected from outside the drive device, drive prevention logic and brake drop-out logic connected to the input circuit and configured to prevent the passage of control pulses to the control poles of the high-side and/or low-side switches when the safety signal is disconnected.
    • 电梯的驱动装置包括:一个直流母线,马达桥连接到直流总线的电梯马达,其中马达桥包括高侧和低侧开关,用于从DC总线供给电力到的电力供应 电梯电机当电梯电机从电梯马达到DC总线驱动,所以当与电梯马达,所述马达桥的控制电路,通过该控制电路的操作的马达桥的制动是通过产生控制脉冲控制 在马达桥,一个制动控制器,它包括一个开关,用于供给电力的电磁制动器,制动控制电路的控制线圈,的高侧和低侧开关的控制极与该操作的 制动控制器通过在制动控制器的开关的控制极生产控制脉冲,输入电路,用于安全信号被断开/从驱动外部连接控制 装置,驱动预防逻辑,在所有其被连接到所述输入电路且经配置以防止控制脉冲的通道到马达桥的高侧和/或低压侧开关的控制极当安全信号被断开, 因此制动辍学逻辑,所有这一切都连接到输入电路和被配置为防止所述控制脉冲到制动控制器的开关的控制极的通道当安全信号被断开。