Electrically controlled hydrogen-spraying pressure regulating device of fuel cell system
A fuel cell system, fuel cell stack technology, applied in the direction of fuel cells, fuel cell additives, circuits, etc., can solve the problems of narrow working range of ejectors, inapplicability to automotive applications, high cost of hydrogen circulation pumps, etc., to achieve operational Effects of increased range, improved utilization, and wide operating range
Inactive Publication Date: 2015-12-23
TONGJI UNIV
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The invention relates to an electrically controlled hydrogen-spraying pressure regulating device of a fuel cell system, which is used for controlling air inflow at the hydrogen side of the fuel cell system. The electrically controlled hydrogen-spraying pressure regulating device comprises a fuel cell stack which is used for performing reaction of a hydrogen fuel cell to generate electric energy; a hydrogen side inlet pressure control component which is connected with a hydrogen inlet pipe of the fuel cell stack and is used for controlling an inlet pressure of the hydrogen and backflow of the hydrogen; a draining component which is connected with a hydrogen drain pipe of the fuel cell pack and is used for draining wastewater; and a controller which is respectively connected with the hydrogen side inlet pressure control component and the hydrogen draining component and is used for controlling the hydrogen side inlet pressure control component and the hydrogen draining component and regulating the hydrogen inlet side pressure. In comparison with the prior art, the electrically controlled hydrogen-spraying pressure regulating device of the fuel cell system has the advantages of improving the working environment of the fuel cell, being safe and reliable, being capable of preventing backflow, keeping the temperature of the returned hydrogen and the like.
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