The invention discloses a folding electric bicycle, and belongs to the field of electric vehicles. A frame comprises a front section and a rear section, and a down tube is connected between the front section and the rear section; a rear wheel and a saddle are installed on the rear section of the frame, a front wheel and a handlebar are installed on the front section of the frame, a drive motor and a flywheel are installed on the rear wheel, a crankset is installed on the rear section of the frame, a driving chain is connected between the flywheel and the crankset, the down tube is of a hollow structure and comprises a front section down tube and a rear section down tube which are connected with each other through a folder, a lithium battery is installed in the front section down tube, and a controller is installed in the rear section down tube; a speed sensor is arranged outside the crankset, and the speed sensor is in signal connection with the controller. When the speed sensor monitors that the rotation speed of the crankset reaches the set speed, a signal is given, the controller starts the drive motor to start to run to help riding, the burden of riding of a rider is reduced, and meanwhile running of the drive motor needs a small amount of electricity, so that on the situation that the electric quantity is the same, the operating range of the electric bicycle is farther.


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    Title :

    Folding electric bicycle


    Contributors:
    WU JIANZHONG (author) / WU MEIHONG (author) / WU YA NAN (author)

    Publication date :

    2015-12-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62K Fahrräder , CYCLES / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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