基于DSP光纤光栅温度在线监测系统设计

介绍了一种基于DSP光纤光栅的温度在线监测系统,在分析光纤光栅温度传感原理的基础上,论述了提高该系统波长测量精度的技术要点,并给出了系统硬件和软件的设计方法。该系统解决了光纤光栅波长解调的关键技术问题,实现了对电力设备各方位温度变化的实时在线监测。系统监测范围广、精度高、运行稳定可靠,可实现远程集中的自动化管理,通过实际运行结果,证明该系统具有良好的应用前景。

Design on On-line Monitoring System of based on DSP Fiber Bragg Grating Temperature

Based on analysis of FBG（Fiber Bragg Grating） temperature sensing principle,this paper describes a FBG temperature on-line monitoring system,discusses the technical key points in improving the measurement accuracy of the system wavelength,and gives the design of both the hardware and software.The critical problems of FBG wavelength demodulation are solved,and the real-time on-line monitoring of temperatures changes in all positions of the electric power equipment is realized.This system features vast monitoring space,high accuracy,stable and reliable operation,and could realize remote centralized automated management.The practical operation indicates results prove that this system is of a promising application prospect.