The invention discloses a fuel cell thermal management system and method, the system comprises a vehicle-mounted fuel cell system and a cooling circulation system, the fuel cell system comprises an electric pile and an air compressor; the cooling circulation system comprises a water pump, an intercooler and a radiator; the output end of the air compressor is connected to an air inlet of the electric pile through a cooling channel of the intercooler; the output end of the water pump is connected to cooling liquid inlets of the galvanic pile and the intercooler respectively, and cooling liquid outlets of the galvanic pile and the intercooler are connected to the input end of the water pump through a cooling channel of the radiator; the method comprises the steps of obtaining operation parameters, and calculating a total heat dissipation demand quantity and a maximum heat dissipation quantity; if the total heat dissipation demand quantity is greater than the maximum heat dissipation quantity, reducing the operation power of the fuel cell system according to a preset gradient value; if the total heat dissipation demanded quantity is smaller than or equal to the maximum heat dissipation quantity, optimizing control is carried out by taking power consumption minimization of the cooling circulation system as a target; according to the invention, thermal management of the fuel cell can be accurately controlled.

    本发明公开了一种燃料电池热管理系统及方法,系统包括:车载的燃料电池系统和冷却循环系统,燃料电池系统包括电堆和空压机;冷却循环系统包括水泵、中冷器以及散热器;空压机的输出端通过中冷器的冷却通道连接至电堆的空气入口;水泵的输出端分别连接至电堆和中冷器的冷却液入口,电堆和中冷器的冷却液出口均通过散热器的冷却通道连接至水泵的输入端;方法包括:获取运行参数,并计算总散热需求量和最大散热量;若总散热需求量大于最大散热量,则按预设梯度值降低燃料电池系统的运行功率;若总散热需求量小于等于最大散热量,则以冷却循环系统的功耗最小化为目标进行寻优控制;本发明能够对燃料电池的热管理进行精确控制。


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    Title :

    Fuel cell thermal management system and method


    Additional title:

    一种燃料电池热管理系统及方法


    Contributors:
    GAO YUNFENG (author) / XUE QIONG (author) / DING CHENG (author)

    Publication date :

    2023-12-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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