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Study on Voice Transmission System of the Optical Fiber for Tube Leakage Monitoring Installment in the Power Station Boile

机译：电站管泄漏监测安装光纤语音传动系统的研究

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摘要

The tube leakage in the large power station boiler is the main reason for unplanned outage of power units. So how to prevent and control the leakage accident has become an important part of ensuring the safe operation of power grid. Sound spectrum analysis is the most commonly used detection method. At the top of the boiler, the temperature is high, and sometimes the positive pressure produced inside the boiler will make ordinary audio sensors particularly easily damaged. This paper designs a system of high temperature resistance fiber optic audio sensor and acoustic resonator. It can determine the parameter of fiber optic audio sensor, and double the leakage noise signal through the design of acoustic resonators. According to the experimental test results and theory, this system can effectively test leakage signal inside the boiler tube, and provide a new idea for leakage detection.
机译：大型电站锅炉中的管泄漏是无计划电力单元中断的主要原因。 因此，如何预防和控制泄漏事故已成为确保电网安全运行的重要组成部分。 声光谱分析是最常用的检测方法。 在锅炉的顶部，温度很高，有时锅炉内部产生的正压力会使普通音频传感器造成普通音频传感器。 本文设计了一种高耐温光纤音频传感器和声谐振器系统。 它可以确定光纤音频传感器的参数，并通过声学谐振器的设计加倍泄漏噪声信号。 根据实验测试结果和理论，该系统可以有效地测试锅炉管内部的漏电信号，并提供泄漏检测的新思路。

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