分布式光纤测温技术在电力行业中的应用研究

发布时间：2018-03-12 15:40

本文选题：分布式　切入点：光纤测温　出处：《华东理工大学》2017年硕士论文　论文类型：学位论文

【摘要】：光纤(optic fiber)全称为光导纤维,它是常用的圆柱形介质波导材料。光波沿着光纤传播是以光的全反射原理为理论基础。光纤传感技术实质是通过光纤通讯将光作为被测量的载体对目标进行检测。光纤传感技术具有与所测对象非接触性、测量的精度高和灵敏度高,并且反应速度快等特点。本文通过对不同电气设备中的温度监测进行研究,与传统测温方式比较,设计出符合目前需求的光纤测温系统。论文主要研究内容如下：(1)比较研究多种电气设备现有测温技术存在的不足。(2)采用光纤传感器进行模拟实验操作,在实验室环境下检验数据准确性。(3)对光纤测温系统进行整体设计,研究光纤在不同电气设备中的准确性情况。在主体架构确定的基础上,集成相应电气设备参数采集模块,包括数据采集模块,分析模块以及异常处理检测模块。(4)对光纤测温系统进行实验室测试,提高其稳定性以及准确性,针对不同参数的测量结果,对光纤测温系统中各芯片以及材料进行替换选择,包括光纤材质,光纤传感器选型,参数处理软件调整。(5)提出改进的小波分析降噪处理技术,用于测温数据噪声滤除。(6)对整个系统进行实地测试,安装在电气设备中,进行参数测量。通过数据结果,完善解决方案。
[Abstract]:Fiber optic fiber. is called optical fiber. It is a commonly used cylindrical dielectric waveguide material. The optical wave propagating along the fiber is based on the theory of total reflection of light. The essence of optical fiber sensing technology is to detect the target by using light as the carrier of measurement through optical fiber communication. Fiber optic sensing technology is non-contact with the measured object, The measurement has the characteristics of high precision, high sensitivity, and fast reaction speed. In this paper, the temperature monitoring in different electrical equipment is studied and compared with the traditional temperature measurement method. The main contents of this paper are as follows: 1) comparing and studying the shortcomings of the existing temperature measurement techniques of various electrical equipment. (2) using optical fiber sensors to simulate the experimental operation, the main contents of this paper are as follows: 1) the main contents of this paper are as follows: 1. The whole design of optical fiber temperature measuring system is carried out in laboratory environment, and the accuracy of optical fiber in different electrical equipment is studied. Based on the determination of the main structure, the corresponding electrical equipment parameter acquisition module is integrated. Including data acquisition module, analysis module and abnormal processing detection module. (4) to test the optical fiber temperature measurement system in laboratory to improve its stability and accuracy, according to the measurement results of different parameters, The chip and material in the optical fiber temperature measurement system are replaced and selected, including optical fiber material, optical fiber sensor selection, parameter processing software adjustment. (5) the improved wavelet analysis noise reduction processing technology is put forward. It is used to test the whole system, install it in the electrical equipment, measure the parameters, and perfect the solution through the data result.
【学位授予单位】：华东理工大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TH811;TM507

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