The present disclosure relates to fault location of a landing door safety circuit. The fault location unit of the landing door safety circuit according to the present disclosure includes: a fault collection circuit, which is disposed corresponding to the landing door locking fault monitoring module of the landing door safety circuit at a certain landing, and which is configured to collect a signal indicating landing door locking fault from only the landing door locking fault monitoring module at said certain landing and output a corresponding electrical level signal; and a fault sending component, which is electrically connected to the fault collection circuit in a one-to-one correspondence, and which is configured to send corresponding fault information containing landing information of the landing based on the received electrical level signal. The fault location unit of the present disclosure has a simple structure and low cost, and can be easily applied to existing elevator systems. The fault location system of the present disclosure can locate which landing has the landing door locking fault quickly and accurately.


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    Title :

    FAULT LOCATION OF LANDING DOOR SAFETY CIRCUIT


    Additional title:

    FEHLERLOKALISIERUNG DER SICHERHEITSSCHALTUNG EINER SCHACHTTÜR
    LOCALISATION DE DÉFAUT DE CIRCUIT DE SÉCURITÉ DE PORTE PALIÈRE


    Contributors:
    LI BICHUN (author) / WANG SHENHONG (author) / QI FU (author)

    Publication date :

    2022-01-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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