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Hydrogen detection with FBG sensor technology for disaster prevention

机译：使用FBG传感器技术进行氢气检测以防灾

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摘要

Three fiber Bragg grating (FBG) sensors systems for hydrogen detection are presented using the classic Pd (palladium) coating technique (500 nm) as the hydrogen sensitive film and titanium (Ti) as the adhesive layer with the etched cladding. These systems are compared and used for disaster environment prevention in hydrogen leakage environment where higher values than the normal are presented which increase the risk of explosion. With these systems, 0.1%–4% of the hydrogen volume concentration range in the volume ratio was detected and monitored experimentally in the test room with the very sensitive and stable value which reached 60 pm/1% H2. In addition, a fast response time, about 6 s, was obtained with an advanced sensor.
机译：提出了三种用于氢检测的光纤布拉格光栅（FBG）传感器系统，使用经典的Pd（钯）涂层技术（500 nm）作为氢敏感膜，并使用钛（Ti）作为具有蚀刻包层的粘合层。比较了这些系统，并将其用于氢气泄漏环境中的灾难环境预防，该氢气泄漏环境中的值比正常值更高，从而增加了爆炸的危险。使用这些系统，可以在测试室中检测并通过实验对氢气体积浓度范围的0.1％–4％进行检测和监测，其非常敏感且稳定的值达到60 pm / 1％H2。此外，使用先进的传感器可获得大约6 s的快速响应时间。

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