The invention discloses a protection device of an escalator. The protection device comprises a protection box, and a photoelectric sensor and a signal processing device are fixedly arranged in the protection box; the photoelectric sensor collects signals and transmits the signals to the signal processing device; and the signal processing device processes the signals sent by the photoelectric sensor, and according to a processing result, an instruction is sent to an escalator control system, so that the escalator is slowly stopped or urgently stopped. According to the invention, it can be ensured that before injury accidents happen, passengers with risks of the crushing injury can be accurately detected; and according to the positions where the passengers are located, the voice prompt or the stopping is selected, so that the protection effect is achieved.


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    Title :

    Protection device of escalator


    Contributors:
    CHEN JUN (author) / GAO QIAN (author) / HE CHENG (author)

    Publication date :

    2015-08-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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