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首页> 外文期刊>Diffusion and Defect Data. Solid State Data, Part B. Solid State Phenomena >On-Line Monitoring to Detect Third-Party Damage on Underground Natural Gas Pipelines Using Accelerometer
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On-Line Monitoring to Detect Third-Party Damage on Underground Natural Gas Pipelines Using Accelerometer

机译：使用加速度计进行在线监测以检测地下天然气管道上的第三方损坏

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摘要

Even though an excavation is not under the direct control of the utility operators, it is the ; main cause of third-party damage on the underground natural gas pipelines. Since the damage due to I third-party excavation may lead to horrible consequences, preventative techniques that can reduce the ; third-party damage are needed. The purpose of this paper is to introduce an on-line monitoring system using accelerometer to detect a propagating acoustic pressure pulse that is produced from the , third-party damage. Also, in order to verify this system, the corresponding field tests were performed considering many third-party damage sources(breaker, hammer drilling, etc.) and signal transmission ratio of each source. From the tests, signals developed by the third-party damage sources were o successfully detected with the digital filter, which can distinguish external noises at the distance of 13km. Therefore, it is expected that the system can be used as a useful tool for the third-party damage 1 monitoring of underground natural gas pipelines.
机译：即使发掘不在公用事业运营商的直接控制之下，它仍是必需的。地下天然气管道第三方损坏的主要原因。由于第三方开挖造成的损坏可能会导致可怕的后果，因此，采取预防措施可减少需要第三方损害。本文的目的是介绍一种使用加速度计的在线监测系统，以检测由第三方损害产生的传播声压脉冲。另外，为了验证该系统，在进行了相应的现场测试时考虑了许多第三方损坏源（破碎机，锤钻等）以及每个源的信号传输率。通过测试，可以使用数字滤波器成功检测到第三方损坏源发出的信号，该信号可以区分13 km距离处的外部噪声。因此，期望该系统可以用作监控地下天然气管道的第三方损害1的有用工具。

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