矿用分布式光纤测温系统技术指标及检验方法

发布时间：2018-01-24 07:41

本文关键词： 矿井火灾预警分布式光纤测温空间分辨率定位准确度拉曼散射　出处：《煤矿安全》2017年12期 　论文类型：期刊论文

【摘要】：从分布式光纤测温系统的测温和定位原理出发,结合产品现状和煤矿井下的特殊情况,分析了系统空间分辨率、温度测量范围、温度测量准确度、定位准确度、单通道测试时间、报警预警功能等技术参数的特点,提出了建议性的技术要求并制定了合理的检测检验方法。
[Abstract]:Based on the principle of temperature measurement and positioning of distributed optical fiber temperature measurement system, combined with the present situation of products and the special situation of coal mine, the spatial resolution, temperature measurement range, temperature measurement accuracy and positioning accuracy of the system are analyzed. The characteristics of the technical parameters such as single channel test time, alarm and warning function, etc., are put forward, and the technical requirements are suggested and a reasonable test method is established.
【作者单位】：煤科集团沈阳研究院有限公司;
【分类号】：TD76
【正文快照】： 分布式光纤测温技术是一种基于光纤拉曼散射效应[1](Raman Scattering)和光时域反射技术[2](Op-tical Time-Domain Reflectometry,OTDR)的新型测温方法。该技术将传输介质与传感介质合二为一,能够实现远距离空间连续不间断的实时温度测量。具有测温精度高、传输距离长、耐高压

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