Fuel cell thermal management system and fuel cell thermal management method

The invention provides a fuel cell thermal management system and a fuel cell thermal management method. The fuel cell thermal management system comprises an electric pile, a pipeline assembly, a flow regulation and control element, a heater, a heat exchanger and a radiator. The electric pile is provided with a cooling inlet and a cooling outlet, the pipeline assembly is communicated with the cooling inlet and the cooling outlet of the electric pile, and the flow regulation and control element is provided with an inlet, a first outlet, a second outlet and a third outlet. The heater, the heat exchanger and the radiator are communicated with the cooling inlet of the electric pile through the pipeline assembly, and the opening states of the first outlet, the second outlet and the third outlet of the flow regulation and control element are adjusted. 本发明提供一燃料电池热管理系统和燃料电池热管理方法，其中所述燃料电池热管理系统包括一电堆、一管道组件、一流量调控元件、一加热器、一热交换器以及一散热器。所述电堆具有一冷却进口和一冷却出口，其中所述管道组件与所述电堆的所述冷却进口和所述冷却出口相连通，其中所述流量调控元件具有一进口、一第一出口、一第二出口、以及一第三出口，所述加热器、