The invention discloses a temperature control system of a low-voltage fuel cell automobile, which comprises a galvanic pile temperature control loop, a power battery temperature control loop and an air conditioning refrigeration loop, and the galvanic pile temperature control loop comprises a galvanic pile, a first expansion kettle, a first electronic water pump, a heat exchanger, a thermostat, athree-way valve, a first PTC and a warm air core body; the power battery temperature control loop comprises a Chiller, a second PTC, a power battery, a second expansion kettle and a second electronicwater pump; the air conditioner refrigerating circuit comprises a compressor, a condenser, a four-way joint, a normally-closed stop valve A, an evaporator, a normally-closed stop valve B and a Chiller. According to the scheme, the temperature control system of the air conditioner is tightly combined with the fuel cell heat dissipation system, so that the problem of high-temperature heat dissipation of the low-voltage fuel cell is solved, the problems of low-temperature starting and running of the fuel cell below 0 DEG C are solved, and short-time low-temperature storage of the fuel cell is realized; preheating of the fuel cell is fully utilized to introduce warm air in the vehicle for use, and the hydrogen utilization rate of the whole vehicle is increased.
本发明公开了一种低压燃料电池汽车的控温系统,包括电堆控温回路、动力电池控温回路和空调制冷回路,电堆控温回路包含电堆、第一膨胀水壶、第一电子水泵、热交换器、节温器、三通阀、第一PTC、暖风芯体;动力电池控温回路包含Chiller、第二PTC、动力电池、第二膨胀水壶及第二电子水泵;空调制冷回路包含压缩机、冷凝器、四通、常闭式截止阀A、蒸发器、常闭式截止阀B、Chiller。本方案,将空调的控温系统与燃料电池散热系统紧密结合,解决低压燃料电池高温散热的问题,又解决燃料电池在0℃以下低温启动和运行问题,实现短时间的燃料电池低温存放问题;充分利用燃料电池的预热引入车内暖风使用,提高整车的氢气利用率。
Temperature control system of low-voltage fuel cell automobile
一种低压燃料电池汽车的控温系统
2020-08-07
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / 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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