Optoelectronic Technology, Volume. 43, Issue 2, 133(2023)

A Broken Wire Detection System of PCCP Pipeline Based on Φ‑OTDR and MZI

Fei XIONG1, Boyang QU4, Guangnan ZHOU2, Haoran WANG2, Xuping ZHANG2, Lei LIANG2, Jin WANG3, Shisong ZHAO4, Dao ZHANG4, Feng WANG2, and Yixin ZHANG2
Author Affiliations
  • 1Inner Mongolia Electric Power Survey & Design Institute Co., Ltd, Hohhot 000,CHN
  • 2College of Engineering and Applied Sciences,Nanjing University, Nanjing 1003, CHN
  • 3Beijing Aqua Intelligent Technology Co., Ltd, Beijing 102400, CHN
  • 4Nanjing Fiber Photonics Technology Co., Ltd, Nanjing 211135, CHN
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    Figures & Tables(14)
    Acoustic signal of broken wire
    Structural diagram of broken wire detection system of PCCP pipeline merged with Φ‑OTDR and MZI
    Schematic of IQ demodulation
    Schematic of the position of PZT
    Original waveform diagrams
    Φ-OTDR system with applying 10.1 kHz vibration signal by PZT
    MZI system with applying 10 kHz vibration signal by PZT
    Time domain spectrum of different vibration signals
    Frequency spectrum of different vibration signals
    Broken wire simulation device
    Layout of the optical fiber on the plate
    Time domain waterfall plot during the drop of the steel sphere
    Location information of the sphere drop
    Position of five-time sphere drops

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    Fei XIONG, Boyang QU, Guangnan ZHOU, Haoran WANG, Xuping ZHANG, Lei LIANG, Jin WANG, Shisong ZHAO, Dao ZHANG, Feng WANG, Yixin ZHANG. A Broken Wire Detection System of PCCP Pipeline Based on Φ‑OTDR and MZI[J]. Optoelectronic Technology, 2023, 43(2): 133

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    Paper Information

    Category: Research and Trial-manufacture

    Received: Nov. 27, 2022

    Accepted: --

    Published Online: Aug. 31, 2023

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