PROBLEM TO BE SOLVED: To provide an elevator signal transmission system capable of greatly reducing workload and work time of an operator in conversion work of a common line, and to provide a common line conversion method.SOLUTION: An elevator signal transmission system executes transmission and reception of a signal between a control device connected to a + side power supply line, and an indicator of each floor connected to a - side power supply line or a load including the indicator inside an elevator car. A control board for common conversion for converting - common to a + common is provided between the + side power supply line and the load. The control board includes: a suction type switching element connected to the + side power supply line, and for conducting electricity according to control command from the control device; and a semiconductor relay provided between the + side power supply line and the load, and for electrically connecting the + side power supply line and the load by the electric conduction of the switching element.SELECTED DRAWING: Figure 1

    【課題】 コモン線の変換作業における作業員の作業負担、作業時間を大幅に軽減できるエレベータ信号伝送システム及びコモン線変換方法を提供すること。【解決手段】 +側電源線に接続された制御装置と、−側電源線に接続された各階のインジケータ又はエレベータかご内のインジケータを含む負荷との間で信号の送受を実行するエレベータ信号伝送システムにおいて、前記+側電源線と前記負荷との間に−コモンを+コモンに変換するコモン変換用の制御基板を設け、前記制御基板は、前記+側電源線に接続され、前記制御装置からの制御指令によって導通する吸い込み型のスイッチング素子と、前記+側電源線と前記負荷との間に設けられ、当該スイッチング素子の導通によって前記+側電源線と前記負荷とを電気的に接続する半導体リレーと、を備える。【選択図】図1


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    Title :

    ELEVATOR SIGNAL TRANSMISSION SYSTEM


    Additional title:

    エレベータ信号伝送システム


    Contributors:

    Publication date :

    2017-01-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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