Application and research of wireless laser methane sensor in drainage pipeline monitoring

Hui Meng; Guangxian Jin; Guanghui Jia; Wangwang Wang; Hang Zhang; Daming Jiang; Zhidong Shi; Tongyu Liu; Tong Sun; Kenneth T. V. Grattan

doi:10.1117/12.2548125

18 December 2019 Application and research of wireless laser methane sensor in drainage pipeline monitoring

Hui Meng, Guangxian Jin, Guanghui Jia, Wangwang Wang, Hang Zhang, Daming Jiang, Zhidong Shi, Tongyu Liu, Tong Sun, Kenneth T. V. Grattan

Author Affiliations +

Proceedings Volume 11340, AOPC 2019: Optical Fiber Sensors and Communication; 113401Q (2019) https://doi.org/10.1117/12.2548125
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

Laser methane sensor has been widely promoted and successfully applied in coal mines as a new and effective technology building on the approach of laser-based absorption detection. Compared with the traditional catalytic methane sensor, the laser methane sensor discussed offers the important advantages of a long calibration period, high detection precision, the absence of ‘zero drift and low power consumption, all of which are significant advantages for use in coal mining applications. By compensating for the temperature and pressure of the gases present, the accuracy of the methane sensor is evident across a wide range of temperatures and pressures, making it suitable for gas detection, including methane, in pipelines as well. The wireless laser approach which is incorporated into the methane sensor allows wireless transmission and data uploading to a cloud server through NB-IoT. This tackles the problem in gas pipeline monitoring of the length of many pipelines and thus the wide distribution of the sensors, avoiding complicated wiring and thus high associated cost. Further, remote data management can then be achieved, all of which greatly improves the flexibility and security of the management of the pipeline and the data generated.

Citation Download Citation

Hui Meng, Guangxian Jin, Guanghui Jia, Wangwang Wang, Hang Zhang, Daming Jiang, Zhidong Shi, Tongyu Liu, Tong Sun, and Kenneth T. V. Grattan "Application and research of wireless laser methane sensor in drainage pipeline monitoring", Proc. SPIE 11340, AOPC 2019: Optical Fiber Sensors and Communication, 113401Q (18 December 2019); https://doi.org/10.1117/12.2548125

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KEYWORDS

Methane

Sensors

Absorption

Temperature metrology

Land mines

Laser applications

Mining

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