Underground pipeline safety monitoring device based on stress induction technology

An underground pipeline and safety monitoring technology, which is applied in the fields of electronics and optics, can solve problems such as hidden safety hazards, pipeline deformation, pipeline twisting force, etc., and achieve the effects of comprehensive monitoring and monitoring process, avoiding catastrophic accidents, and rapid response

Inactive Publication Date: 2014-07-02
TIANJIN SIBOKE TECH DEV
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Problems solved by technology

[0002] In the process of urban construction, many important combustible gas pipelines are buried under the urban road surface. If there are large vehicles passing by on the road surface or the earth’s crust moves, it will cause obvious changes in the surrounding stress of the pipelines. The pipeline form

Method used

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  • Underground pipeline safety monitoring device based on stress induction technology
  • Underground pipeline safety monitoring device based on stress induction technology

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Embodiment Construction

[0010] Such as figure 1 As shown, the Bragg fiber optic sensing module is composed of multiple groups of Bragg fiber grating sensors, which are distributed throughout the entire underground pipeline system. Through remote stress sensing, the force status of each pipeline can be monitored, so that the force status can be transmitted to the data processor in time . The data processing module sets corresponding thresholds according to the different environments in which the pipeline is located, and analyzes the stress conditions delivered by the optical fiber sensor. If the stress exceeds or approaches the threshold, it sends a signal to the alarm notification module to give an alarm in time.

[0011] The Bragg optical fiber sensor module refers to a new type of sensor in which gratings are periodically distributed in the spatial phase formed inside the core of the sensor to act as mirrors and filters, so as to select The wavelength of the Bragg condition is reflected to improve the...

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Abstract

An underground pipeline safety monitoring device based on the stress induction technology comprises a Bragg fiber sensing module, a data processing module and an alarm prompting module. The data output end of the Bragg fiber sensing module is connected with the data input end of the data processing module, and the data output end of the data processing module is connected with the data input end of the alarm prompting module. According to the underground pipeline safety monitoring device, Bragg fibers and gratings are applied, the stress condition of a pipeline is judged through remote stress induction, the stress condition of the pipeline is monitored in real time, and therefore when the stress exceeds the limiting value, the device can give an alarm in time, and the disastrous accidents are avoided.

Description

Technical field [0001] The invention relates to the technical fields of optics and electronics, and in particular to a detection device for pipeline construction under urban roads based on electromagnetic induction technology. Background technique [0002] In the process of urban construction, many important combustible gas pipelines are buried under the urban road surface. If large vehicles pass by on the road surface or the earth’s crust moves, it will cause significant changes in the surrounding stress on the pipelines. Such changes will affect The pipeline forms a twisting force, which causes the pipeline to deform and even leak. At present, the monitoring of the surrounding stress of the pipeline still lacks corresponding technical means, and it is not possible to realize real-time monitoring of the stress of the pipeline, which also leaves a greater safety hazard. Summary of the invention [0003] In order to make up for the lack of this technology, the present invention pr...

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Application Information

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IPC IPC(8): G01L1/24
Inventor 不公告发明人
Owner TIANJIN SIBOKE TECH DEV
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