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Hydrogen emission testing device and method for fuel cell automobile

An emission test and fuel cell technology, which is applied in fuel cells, circuits, electrical components, etc., can solve the problems of easy freezing and blockage of drainage, large concentration measurement error, hydrogen emission accumulation, etc., and achieve accurate and reliable hydrogen concentration measurement.

Active Publication Date: 2021-10-08
DONGFENG MOTOR GRP
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are some defects in this method: the pipeline is not sealed, the measurement at the pipeline port is greatly affected by the ambient wind, and the concentration measurement error is large; at low temperatures, the drainage is easy to freeze and block, and hydrogen emissions may accumulate, which is likely to bring safety hazards

Method used

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  • Hydrogen emission testing device and method for fuel cell automobile
  • Hydrogen emission testing device and method for fuel cell automobile

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Embodiment Construction

[0035] In order to make the purpose, technical solution and advantages of the present application clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit 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 constitute a conflict with each other.

[0036] like figure 1 As shown, an embodiment of a fuel cell vehicle hydrogen emission testing device of the present application, the hydrogen emission testing device includes a hydrogen emission exhaust gas pipeline 1, an air dilution pipeline 3, a first hydrogen concentration sensor 13, and a second hydrogen concentration sensor 14 and control system 15 .

[0037] One port of the hydrogen ex...

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Abstract

The invention discloses a hydrogen emission testing device and method for a fuel cell automobile, which relate to the technical field of new energy automobiles. The device comprises a hydrogen emission waste gas pipeline with one port in butt joint with a tail gas interface of a to-be-tested fuel cell automobile, a heating drainer which is arranged at the position, close to the tail gas interface, of the hydrogen emission waste gas pipeline, and is used for heating the hydrogen emission waste gas pipeline, anair dilution pipeline with the air outlet end communicated with the side wall of the hydrogen exhaust gas pipeline and with the communication position located between the heating drainer and an anti-explosion exhaust fan, a first hydrogen concentration sensor, a second hydrogen concentration sensor and a control system which is connected to the first hydrogen concentration sensor and the second hydrogen concentration sensor. The invention relates to a hydrogen emission testing device and method for a fuel cell automobile, which can normally perform hydrogen emission concentration testing in a low-temperature environment. And the device is not influenced by environmental wind and is accurate in measurement.

Description

technical field [0001] This application relates to the technical field of new energy vehicles, in particular to a hydrogen emission testing device and method for fuel cell vehicles. Background technique [0002] At present, with the continuous development of non-renewable energy, the country vigorously advocates the use of new energy, and new energy vehicles are the most important part of it. Among new energy vehicles, hydrogen fuel cell vehicles are the most environmentally friendly. Hydrogen fuel cell vehicles use hydrogen as fuel, and drive vehicles to run through the electrochemical reaction of hydrogen and oxygen in the fuel cell stack. [0003] Specifically, the hydrogen fuel cell vehicle is equipped with a high-pressure hydrogen storage tank, and the hydrogen is transported to the fuel cell stack through the hydrogen supply pipeline. After the fuel cell stack reacts, water is produced; The product water is discharged together through the tail pipe. Since hydrogen is...

Claims

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Application Information

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IPC IPC(8): H01M8/0444H01M8/04791H01M8/04992H01M8/0662
CPCH01M8/04462H01M8/04992H01M8/04805H01M8/0662Y02E60/50
Inventor 方燕华费上宝侍守闯刘强熊枝翔
Owner DONGFENG MOTOR GRP
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