The invention provides an overload alarm system based on the Internet of Things. The system comprises a server and a manhole cover, the manhole cover comprises a cylindrical cover body, a pull hole is arranged in the cover body, the edge of the bottom of the cover body is provided with a normally-open button, the cover body is internally provided with a battery, a controller and a WIFI module, the surface of the cover body is provided with a pressure sensor, the controller is connected with the battery, the normally-open button, the WIFI module and the pressure sensor, and the controller is used for sending received WIFI signals via the WIFI module and sending signals of the pressure sensor and the normally-open button and the number of the manhole cover to the server. The system can raise the alarm when a vehicle is overload as well as the manhole cover is opened, the manhole cover can receive and send the WIFI signals, manhole covers can be networked, construction of an emission station is not needed, and the cost is reduced.


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    Title :

    Overload alarm system based on Internet of Things


    Contributors:
    LIN BIQIN (author)

    Publication date :

    2015-12-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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