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Arrangement structure and arrangement method of optical fiber sensor on gas pipeline

An optical fiber sensor and gas pipeline technology, applied in pipeline systems, instruments, measuring devices, etc., can solve the problems of high system complexity, single dimension of sensing signals, low accuracy of sensor gas pipeline safety monitoring, etc., and achieve high measurement accuracy. , strong anti-interference ability, improve the effect of anti-interference ability

Active Publication Date: 2020-11-20
BEIJING GAS GRP
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Problems solved by technology

[0006] The object of the present invention is to provide an arrangement structure and method of an optical fiber sensor on a gas pipeline, so as to at least partially solve the problems that existing sensors are susceptible to crosstalk caused by irrelevant factors such as temperature and the accuracy of gas pipeline safety monitoring is low; and Single sensory signal dimension and high system complexity

Method used

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  • Arrangement structure and arrangement method of optical fiber sensor on gas pipeline
  • Arrangement structure and arrangement method of optical fiber sensor on gas pipeline
  • Arrangement structure and arrangement method of optical fiber sensor on gas pipeline

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Embodiment Construction

[0039] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0040] In the vibration sensing system based on optical fiber sensing technology, the present invention introduces a novel temperature-insensitive optical fiber sensing structure, uses an anti-resonant waveguide structure, and changes the sensing mechanism of traditional optical fiber sensing using the elastic-optic effect and thermo-optic effect of materials way of perceiving information. The relative physical displacement between...

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Abstract

The invention discloses an arrangement structure and an arrangement method of an optical fiber sensor on a gas pipeline. The arrangement structure comprises a plurality of wiring supports and opticalfiber sensors; the wiring supports are arranged at preset positions of the gas pipeline; and the optical fiber sensors are installed on the wiring supports in a one-to-one correspondence mode, and theoptical fiber sensors are laid on the gas pipeline in the radial direction or the axial direction so that vibration information collection points of multiple dimensions can be formed on the gas pipeline. The crosstalk caused by irrelevant factors such as temperature is avoided, anti-interference capability of a system is improved, and the safety monitoring accuracy of the gas pipeline is improved. And meanwhile, more data support is provided for system safety early warning, and the false alarm rate of the system is reduced.

Description

technical field [0001] The invention relates to the technical field of gas pipeline safety protection, in particular to an arrangement structure and method of an optical fiber sensor on a gas pipeline. Background technique [0002] This section provides background information related to the present disclosure only and is not necessarily prior art. [0003] As an important infrastructure for industrial production and urban civilian use, gas pipelines play an important role in urban development and people's daily life. As the carrying equipment for flammable and explosive dangerous gases such as natural gas, liquefied petroleum gas, and coal gas, once a leak occurs, it will cause huge social dangers, and it will also cause huge economic losses to the gas company. Therefore, the safe operation of urban gas pipelines is of great significance to social economy, production and life, and people's well-being. [0004] There are many reasons for gas pipeline leakage, such as pipeli...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16M13/02F17D5/00G01H9/00
CPCF16M13/02F17D5/005G01H9/004
Inventor 李永威何林黄建钦周清扬
Owner BEIJING GAS GRP
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