Ventilation and ventilation system for stack housing
A ventilation system and housing technology, applied in the direction of electrical components, circuits, fuel cells, etc., to achieve the effect of low pressure loss, eliminate dead ends of purging, and meet the needs of ventilation and dilution
Active Publication Date: 2022-04-22
GUANGXI YUCHAI MASCH CO LTD
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Problems solved by technology
[0008] The ventilation systems of the above-mentioned prior art all have the following problems: it is impossible to prevent harmful substances in the environment from being brought into the casing during the ventilation process of the casing
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[0024] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
[0025] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.
[0026] Such as Figure 4 As shown, according to a ventilation system for the stack housing in a preferred embodiment of the present invention, the air of the fuel cell passes through the air filter 1, the first pipeline 10, the air compressor 2, the second pipeline 11, the middle The cooler 4 and the third pipeline 12 enter the electric stack 7, and the ventilation system includes the fourth pipeline 13, the three-way valv...
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The invention discloses a ventilation and ventilation system for a battery stack housing. The air of a fuel cell enters the battery cell through an air filter, a first pipeline, an air compressor, a second pipeline, an intercooler and a third pipeline in sequence. stack, the ventilation and air exchange system includes the fourth pipeline, the three-way valve, the fifth pipeline, the dilution gas inlet and the dilution fan. One end of the fourth pipeline is connected to the first pipeline; one air inlet of the three-way valve is connected to the other end of the fourth pipeline; one end of the fifth pipeline is connected to the outlet of the three-way valve; the dilution gas inlet is set On the casing of the electric stack, and connected to the other end of the fifth pipeline; the dilution fan is arranged at the end of the casing away from the inlet of the dilution gas, and the dilution fan is used to discharge the dilution gas in the casing out of the casing; the present invention The ventilation system can enter the air into the casing through the air filter, the fourth pipeline, the three-way valve, the fifth pipeline, and the dilution gas inlet to dilute the gas inside the casing and then discharge it out of the casing by the dilution fan.
Description
technical field [0001] The invention relates to the technical field of hydrogen safety management in a vehicle fuel cell system, in particular to a ventilation and ventilation system for a stack closed casing of a vehicle fuel cell system. Background technique [0002] The fuel cell system engine is a power system for a new energy vehicle. The fuel cell system engine uses the electrochemical reaction of fuel hydrogen and oxidant air to output electric energy to the outside. [0003] In a normal vehicle environment, a large amount of dust and moisture will adhere and accumulate on the surface of the fuel cell system, which poses a huge threat to the normal operation of the fuel cell system, especially the stack module, so it is necessary to make a stack module The airtight shell isolates dust and water in the environment and improves the protection level of the entire system. However, during the normal operation of the stack, a certain amount of hydrogen and water vapor ofte...
Claims
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IPC IPC(8): H01M8/04223H01M8/06H01M8/0662
CPCH01M8/0662H01M8/0687H01M8/06H01M8/04223Y02E60/50
Inventor 夏景霖陈军荣叶遥立覃敏航杨升王兵杰陆永卷王福李昌煜
Owner GUANGXI YUCHAI MASCH CO LTD