Design of a Wireless Remote Monitoring System for Raman Distributed-Optical-Fiber Sensing

Lei Qin; Qingbao Yang; Weiyi Zhang; Zitong Yin; Jian Li; Mingjiang Zhang

doi:10.3788/LOP232755

Laser & Optoelectronics Progress, Volume. 61, Issue 21, 2106001(2024)

Design of a Wireless Remote Monitoring System for Raman Distributed-Optical-Fiber Sensing

Lei Qin^1,3, Qingbao Yang⁴, Weiyi Zhang³, Zitong Yin³, Jian Li^2、*, and Mingjiang Zhang^1,3、**

Author Affiliations

¹College of Physics, Taiyuan University of Technology, Taiyuan 030024, Shanxi , China

²College of Electronic Information and Optical Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi , China

³Key Laboratory of Advanced Transducers and Intelligent Control Systems, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, Shanxi , China

⁴China Railway Construction and Safety Engineering Design Institute, Shijiazhuang 050047, Hebei , China

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Fig. 1. Schematic diagram of field sensor terminal of Raman distributed optical fiber temperature sensing system device

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Fig. 2. Structure of Raman distributed optical fiber temperature sensing remote monitoring system

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Fig. 3. Flowchart of field sensor terminal

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Fig. 4. Structure diagram of wireless transmission data frame

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Fig. 5. Flowchart of data receiving verification

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Fig. 6. Upper computer interface diagram of wireless remote monitoring terminal

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Fig. 7. Results of temperature data received at remote wireless monitoring terminal

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Fig. 8. System temperature measurement accuracy

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Table 1. Performance parameters of Raman distributed optical fiber temperature sensing system
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Table 1. Performance parameters of Raman distributed optical fiber temperature sensing system
Parameter Value
Temperature measurement accuracy /℃ -1.0‒1.0
Spatial resolution /m 1.0
Sensing distance /km 10.0
Temperature range/℃ -30‒120
Measuring time /s ~3

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Lei Qin, Qingbao Yang, Weiyi Zhang, Zitong Yin, Jian Li, Mingjiang Zhang. Design of a Wireless Remote Monitoring System for Raman Distributed-Optical-Fiber Sensing[J]. Laser & Optoelectronics Progress, 2024, 61(21): 2106001

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