The invention provides a control system of a hydrogen fuel cell stack, which is connected with a hydrogen tank, a gas inlet electromagnetic valve and the hydrogen fuel cell stack. The control system comprises a power supply circuit for receiving power supply voltage of a lithium battery pack and converting the power supply voltage into working voltage; the central control circuit is used for receiving the state data of the sensor group connected with the hydrogen fuel cell stack and forming a control instruction; the drainage electromagnetic valve control circuit controls a drainage electromagnetic valve according to the control instruction sent by the central control circuit; the air inlet electromagnetic valve control circuit is connected with the central control circuit and the air inlet electromagnetic valve and controls the air inlet electromagnetic valve according to a control instruction sent by the central control circuit; the fan control circuit controls the fan according to the control instruction sent by the central control circuit; and the sampling circuit is used for collecting data signals of the lithium battery pack and data signals of the hydrogen fuel cell stack tothe central control circuit. After the technical scheme is adopted, charging and discharging of the hydrogen fuel cell and the lithium battery pack are intelligently allocated, electric energy of thetwo power sources is utilized to the maximum extent, and therefore the performance and operation reliability of the power-assisted bicycle are guaranteed.

    本发明提供了一种氢燃料电池电堆的控制系统,与氢气罐、进气电磁阀及氢燃料电池电堆连接,控制系统包括:电源电路,以接收锂电池组的供电电压,并将供电电压转换至工作电压;中控电路,接收与氢燃料电池电堆连接的传感器组的状态数据,并形成控制指令;排水电磁阀控制电路,根据中控电路发送的控制指令控制排水电磁阀;进气电磁阀控制电路,与中控电路及进气电磁阀连接,根据中控电路发送的控制指令控制进气电磁阀;风扇控制电路,根据中控电路发送的控制指令控制风扇;采样电路,采集与锂电池组的数据信号及氢燃料电池电堆的数据信号至中控电路。采用上述技术方案后,智能调配氢燃料电池与锂电池组的充放电,最大化利用两电源的电能,以保证助力自行车的性能和运行可靠。


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    Title :

    Control system of hydrogen fuel cell stack


    Additional title:

    一种氢燃料电池电堆的控制系统


    Contributors:
    QIAN CHENG (author) / SUN JISHENG (author) / LU MINMIN (author) / CEN JIAN (author) / ZE WEIJIE (author) / MA QIAN (author)

    Publication date :

    2020-06-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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