The invention provides a gear switch with cart speed gears, a controller, a voice prompter and an electric vehicle. The cart speed gears are arranged on the gear switch. A voice chip with cart speed gear prompting content is arranged in the voice prompter. A single-chip microcomputer circuit with a cart speed gear program is arranged in the controller. The program is implanted in advance in the single-chip microcomputer circuit with the cart speed gear program and used for allowing the maximal limit speed value of the controller to be within the adult normal walking per-hour speed range within the turn handle speed adjusting voltage range when the gear switch is adjusted to be in the cart speed gears. The ratio of the running speed change rate of the electric vehicle to the turn handle voltage change rate of the electric vehicle is greatly reduced, when a turn handle cart is rotated, the phenomenon that running of the cart is difficultly controlled at a stable speed is avoided, accidental galloping is avoided, and the purposes of safety and easiness are achieved.


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    Title :

    Gear switch with cart speed gears, controller, voice prompter and electric vehicle


    Contributors:
    PENG GUOZHI (author)

    Publication date :

    2015-10-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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