To provide a signal transmission device for an elevator capable of transmitting a reliable safety status signal of a car.SOLUTION: A signal transmission device for an elevator includes: an electric wire 13 provided along the lifting direction of a car on a guide rail 12 which supports the car for conducting an exciting current; an exciting current generator 11a for generating an exciting current to send from a control panel 11 to the electric wire; an exciting current measurement device 11b for measuring the exciting current returned from the electric wire 13 to the control panel 11; an elevator control device 11c for analyzing and controlling the status of the elevator on the basis of the conditions of the exciting current transmitted from the control panel 11 and the conditions of the exciting current returned to the control panel 11; and an electromagnetic interference device 16 provided on the car for generating a magnetic field in a space between the electric wire and itself to interfere with the exciting current.SELECTED DRAWING: Figure 1
【課題】信頼性の高い乗りかごの安全状態信号を伝送する、エレベータの信号伝送装置を提供する。【解決手段】エレベータの信号伝送装置は、乗りかごを支持するガイドレール12に乗りかごの昇降方向に沿って設けられ、励磁電流を導通する電線13と、励磁電流を発生させて制御盤11から電線に流す励磁電流発生器11aと、電線13から制御盤11に帰還する励磁電流を測定する励磁電流測定器11bと、制御盤11から発信された励磁電流の状態と制御盤11に帰還された励磁電流の状態とからエレベータの状態を解析し制御を行うエレベータ制御装置11cと、乗りかごに設けられ、電線との空間に磁界を発生し励磁電流を干渉する電磁式干渉器16とを具備する。【選択図】図1
SIGNAL TRANSMISSION DEVICE FOR ELEVATOR
エレベータの信号伝送装置
2019-03-07
Patent
Electronic Resource
Japanese
ELEVATOR SIGNAL TRANSMISSION DEVICE AND ELEVATOR SIGNAL TRANSMISSION METHOD
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