Fresh air system for fuel cell environment test box
An environmental test chamber and fresh air system technology, which is applied in the field of fresh air system for fuel cell testing, can solve the problems of potential safety hazards, the inability to prevent hydrogen backflow, and the inability of the fresh air system to handle the fresh air of fuel cells, and achieve the effect of solving safety problems
Pending Publication Date: 2022-08-09
江苏凌氢新能源科技有限公司
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Problems solved by technology
[0002] The test of the hydrogen fuel cell power generation system (hereinafter referred to as the system) is limited by the existing technology due to the large demand for fresh air and other factors. The current conventional fresh air system cannot achieve the fresh air processing capacity required for fuel cell testing.
The general fresh air system currently used has defects: 1. The traditional fresh air system adopts electric heating design, the surface temperature is high, and there is a greater safety hazard in the event of a short circuit or abnormality; 2. The traditional fresh air system has hydrogen inside the main cabin. It is impossible to prevent the backflow of hydrogen gas in the event of leakage, which will easily lead to the accumulation of hydrogen in the pipeline, which will pose a safety hazard during the next startup; 3. Traditional fresh air systems are prone to frost on the surface of the heat exchanger under low temperature conditions (<0°C). Long-term operation will cause the heat exchange capacity of the heat exchanger to drop significantly, and the temperature cannot be lowered
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[0017] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help the understanding of the present invention, but do not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0018] like figure 1 Shown includes an air filtration system 100 , a primary cooling 200 , a dehumidification system 300 , a secondary cooling system 400 , and a tertiary cooling system 500 .
[0019] According to a specific embodiment of the present application, such as figure 1 The shown air filtration system 100 includes a bag filter 101 for filtering the air to ensure the purity of the inhaled air; an industrial fan 103 for providing wind power; a pressure diffe...
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The invention discloses a fresh air system for a fuel cell environment test box, an air supply system comprises an air treatment subsystem and a hydrogen safety guarantee system, and the invention further discloses a working method of the fresh air system. Aiming at the fresh air requirement of an engine in a fuel cell system environment test, fresh air fed into an environment chamber is subjected to three-stage cooling and dehumidification treatment, the problem that a cooler frosts during a continuous low-temperature test is solved by adopting a dual-channel switching defrosting method, and the safety problem caused by backward flowing of hydrogen is solved by using a fresh air hydrogen safety system; stable and reliable fresh air is guaranteed to be provided, and the safety problem possibly caused by hydrogen in the test is solved.
Description
technical field [0001] The invention relates to the field of equipment for testing fuel cells, in particular to a fresh air system for testing fuel cells. Background technique [0002] The hydrogen fuel cell power generation system (hereinafter referred to as the system) test is restricted by the existing technology due to factors such as large demand for fresh air, and the current conventionally used fresh air system cannot achieve the fresh air processing capacity required for fuel cell testing. The current general fresh air system has defects: 1. The traditional fresh air system adopts electric heating design, the surface temperature is high, and there is a greater safety hazard in the event of a short circuit or abnormality; 2. The traditional fresh air system has hydrogen inside the main cabin. Hydrogen backflow cannot be prevented in the event of leakage. Hydrogen backflow can easily lead to the accumulation of hydrogen in the pipeline, and there is a potential safety ...
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Patent Timeline
Login to View More IPC IPC(8): H01M8/04119H01M8/04701H01M8/04746B01D46/02B01D46/88B01D53/26G01R31/378G01R31/385
CPCH01M8/04753H01M8/04708H01M8/04156H01M8/04723B01D46/02B01D46/88B01D53/26G01R31/378G01R31/385Y02E60/50
Inventor 赵涛王少华
Owner 江苏凌氢新能源科技有限公司