A fault location unit of a landing door safety circuit 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.


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    Title :

    LOCATING FAILURE OF LANDING DOOR SAFETY CIRCUIT


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

    Publication date :

    2022-01-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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