The invention discloses an AC forced stopping device. In the case of use, infrared correlation tubes are respectively arranged at two sides of a wall body close to a rear wall, and the heights are flush with the most front edge parts of the front and the rear of the vehicle. When the vehicle is backing or driven to a garage, the most front edge parts of the vehicle touch the infrared ray, an infrared receiving tube controls a circuit of a loudspeaker to be opened via a photoelectric conversion module, the loudspeaker gives an alarm, the driver is warned to stop the vehicle, and the purposes of protecting the vehicle and the wall can be achieved.


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    Title :

    AC forced stopping device


    Contributors:
    QI HUAJUN (author)

    Publication date :

    2015-09-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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