The invention relates to a bicycle power generation device. The bicycle power generation device comprises a power generation device, a rectifying circuit, a storage battery, and a lamp and a USB interface which are arranged on a headstock; the storage battery is connected with the lamp and the USB interface; the power generation device comprises a shell fixed on a frame; a plurality of piezoelectric ceramics which are uniformly arranged along the circumferential direction and of which one ends are connected with the inner wall of the shell are arranged in the shell, and a horizontally placed supporting shaft is also arranged in the middle part of the shell; one end of the supporting shaft is arranged in the shell, and the other end of the supporting shaft extends out of the shell to be fixed on a rotating shaft of a wheel; the supporting shaft is also provided with saber teeth contacting each piezoelectric ceramic; the rectifying circuit stores the electric energy generated by the power generation device into the storage battery so as to power the lamp and the USB interface. By adopting the bicycle power generation device, not only can the illumination be provided when the bicycle is ridden at night, but also electric appliances such as a mobile phone can be charged.


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    Title :

    Bicycle power generation device


    Contributors:
    DONG ZHI (author) / GUO CAIFEN (author)

    Publication date :

    2016-02-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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