The invention discloses a hydrogen fuel cell vehicle and a high-voltage charging device thereof. The high-voltage charging device comprises a charging main loop and a control circuit, and the controlcircuit is connected with the charging main loop; the charging main loop is used for converting a low-voltage large current of a fuel cell into an adjustable high-voltage direct current; and the control circuit is used for controlling an output voltage and the power by adjusting a PWM pulse duty ratio and turn-on time of a power tube. By using the hydrogen fuel cell vehicle and the high-voltage charging device thereof, defects of efficiency reduction and like caused by soft output characteristics and output power fluctuation of the hydrogen fuel cell can be overcome; and a special high-voltagecharging module for the water-hydrogen fuel cell can perform self-adaptive adjustment according to an input voltage from the fuel cell, performs constant-voltage and constant-current control on the output, has a good dynamic response characteristic, and meets requirements of a power source of a fuel vehicle.
本发明揭示了一种氢燃料电池汽车及其高压充电装置,所述高压充电装置包括:充电主回路、控制电路,控制电路连接充电主回路;所述充电主回路用以通过将燃料电池低压大电注转换成可调的高压直流电;所述控制电路用以通过调节PWM脉冲占空比,功率管的开通时间,来控制输出电压高低和功率大小。本发明提出的氢燃料电池汽车及其高压充电装置,可克服氢燃料电池存在着输出特性软,输出功率波动,从而导致效率下降等不足,水氢燃料电池专用高压充电模块可根据来自燃料电池的输入电压进行自适应调节,对输出进行恒压、恒流控制,具有良好的动态响应特性,实现燃料汽车动力源的需求。
Hydrogen fuel cell vehicle and high-voltage charging device thereof
氢燃料电池汽车及其高压充电装置
2020-11-27
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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