The invention discloses an automatic alarm of an elevator. The automatic alarm comprises an alarm body. The alarm body is connected with a controller, the controller is connected with a speed sensor, and the speed sensor is arranged on a pulley shaft. The speed sensor is arranged on the elevator, the running speed of the elevator can be detected in real time, and therefore when the speed of the elevator is abnormal, the alarm body can be controlled by the controller to give an alarm the first time, maintenance personnel are reminded to maintain the elevator, and the aim of achieving early warning to relieve potential safety hazards can be achieved. The automatic alarm has the beneficial effects of being simple in structure, convenient to operate, safe and reliable, and can be widely utilized and popularized.


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    Title :

    Automatic alarm of elevator


    Contributors:
    TANG HUA (author)

    Publication date :

    2016-02-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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