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    • 2. 发明申请
    • FUEL CELL SYSTEM AND OPERATION METHOD FOR FUEL CELL SYSTEM
    • 燃料电池系统和燃料电池系统的操作方法
    • WO2007107836A1
    • 2007-09-27
    • PCT/IB2007/000659
    • 2007-03-16
    • TOYOTA JIDOSHA KABUSHIKI KAISHAHAMADA, Kenichi
    • HAMADA, Kenichi
    • H01M8/04
    • H01M8/04097H01M8/04223H01M8/04225H01M8/04231H01M8/04253H01M8/04268
    • A fuel cell system (100) includes: a circulation pump (50) provided on a fuel gas circulation channel (27) so as to circulate a fuel gas; a pump temperature detection portion (420) that detects a temperature of the circulation pump (50); a warmup portion that warms up the circulation pump; a pump control portion (410) that drives the circulation pump; and a breakdown determination portion (450) that determines whether the circulation pump has broken. At the start of the fuel cell system, if the pump temperature detected by the pump temperature detection portion (420) is below the melting point of water, the warmup portion warms the circulation pump, and the pump control portion (410) drives the circulation pump (50). If the pump temperature is higher than or equal to the melting point of water and the rotation speed of the circulation pump (50) is less than a predetermined speed, the breakdown determination portion (450) determines that the circulation pump (50) has broken.
    • 燃料电池系统(100)包括:设置在燃料气体循环通道(27)上以使燃料气体循环的循环泵(50); 检测循环泵(50)的温度的泵温度检测部(420)。 加热循环泵的预热部分; 驱动循环泵的泵控制部(410); 以及判定循环泵是否破裂的击穿判定部(450)。 在燃料电池系统的启动时,如果由泵温度检测部(420)检测到的泵温度低于水的熔点,则预热部加热循环泵,并且泵控制部(410)驱动循环 泵(50)。 如果泵温度高于或等于水的熔点并且循环泵(50)的转速小于预定速度,则故障确定部分(450)确定循环泵(50)已经断裂 。