The invention discloses a vehicle-mounted liquid hydrogen system, a control method and a vehicle. The technical problems of energy waste and safety caused by direct release of vaporized hydrogen in a liquid hydrogen bottle in the prior art are solved. The vehicle-mounted liquid hydrogen system comprises a liquid hydrogen bottle; the input end of the first hydrogen supply pipeline is communicated with a liquid phase outlet of the liquid hydrogen bottle, the output end of the first hydrogen supply pipeline is communicated with a fuel cell, and the first hydrogen supply pipeline is provided with a first electric control valve; the input end of the second hydrogen supply pipeline is communicated with the gas phase outlet of the liquid hydrogen bottle, the output end of the second hydrogen supply pipeline is communicated with the first hydrogen supply pipeline, and the second hydrogen supply pipeline is provided with a second electric control valve; the input end of the third hydrogen supply pipeline is communicated with a gas phase outlet of the liquid hydrogen bottle, the output end of the third hydrogen supply pipeline is communicated with the first hydrogen supply pipeline, the third hydrogen supply pipeline is provided with a gas tank and two third electric control valves which are communicated, and the two third electric control valves are located at the input end and the output end of the gas tank respectively. According to the vehicle-mounted liquid hydrogen system, vaporized hydrogen in the liquid hydrogen bottle is recycled and utilized, and the energy utilization rate is increased.
本申请公开了一种车载液氢系统及控制方法、车辆,解决现有技术液氢瓶内汽化的氢气直接泄放导致的能源浪费以及安全的技术问题。车载液氢系统包括:液氢瓶;第一供氢管路,输入端连通于所述液氢瓶的液相出口,输出端连通燃料电池,第一供氢管路设有第一电控阀;第二供氢管路,输入端连通于液氢瓶的气相出口,输出端连通于第一供氢管路,第二供氢管路设有第二电控阀;第三供氢管路,输入端连通于液氢瓶的气相出口,输出端连通于第一供氢管路,第三供氢管路设有相连通的气罐以及第三电控阀,第三电控阀设有两个,两个第三电控阀分别位于气罐的输入端和输出端。本申请的车载液氢系统实现了液氢瓶内汽化的氢气的回收和利用,提高了能源利用率。
Vehicle-mounted liquid hydrogen system, control method and vehicle
一种车载液氢系统及控制方法、车辆
2024-12-13
Patent
Electronic Resource
Chinese
IPC: | F17C Behälter zum Aufnehmen oder Speichern verdichteter, verflüssigter oder verfestigter Gase , VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F17D Rohrleitungssysteme , PIPE-LINE SYSTEMS / 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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