The invention discloses an electric bicycle intelligent charging system based on NB-IOT. The system comprises a user terminal, a cloud platform server and a plurality of direct current charging piles, and is characterized in that each direct current charging pile is provided with a first NB-IOT communication module which is in communication connection with the cloud platform server; the direct current charging pile is further provided with a control system; a man-machine interaction module is used for receiving a charging instruction of the cloud platform server; a microprocessor is used for controlling the operation of the direct current charging pile; an electrode detection module is used for detecting the polarity of a storage battery connected with the direct current charging pile; a power supply module is used for providing dynamic output voltage and current for charging the storage battery; a power supply module charges the storage battery by adopting a self-adjusting three-stage charging method; and an electric energy output control module is used for controlling on-off of a storage battery charging circuit. The polarity of the storage battery can be detected to avoid damage to the storage battery, a self-adjusting three-stage charging method is adopted to charge the storage battery, damage to the storage battery caused by charging when the storage battery is over-discharged is further avoided, and a safe, convenient and efficient charging system is provided for a user.

    本发明公开了一种基于NB‑IOT的电动自行车智能充电系统,包括用户终端、云平台服务器和若干个直流充电桩,直流充电桩设有第一NB‑IOT通信模块与云平台服务器通信连接;直流充电桩还设有控制系统,人机交互模块用于接收云台服务器的充电指令;微处理器用于控制直流充电桩的运行;电极检测模块用于检测直流充电桩连接的蓄电池极性;电源模块用于为蓄电池充电提供动态输出电压和电流;电源模块采用自调节三阶段充电法为蓄电池充电;电能输出控制模块用于控制蓄电池充电电路的通断。本发明可以检测蓄电池极性,以避免蓄电池损坏,采用自调节三阶段充电法为蓄电池充电,进一步避免蓄电池过放电时充电对蓄电池造成损伤,为用户提供安全、便捷和高效的充电系统。


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    Title :

    Electric bicycle intelligent charging system based on NB-IOT and working method thereof


    Additional title:

    一种基于NB-IOT的电动自行车智能充电系统及其工作方法


    Contributors:
    ZHENG XIAOYAN (author) / DONG QIAN (author) / YANG QIANG (author) / CHEN ZHENG (author) / LI ZHIBO (author) / LI QIANGQIANG (author) / WANG YUQING (author)

    Publication date :

    2021-12-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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