摘要
介绍了分布式光纤温度传感检测原理及采用拉曼散射型分布式光纤温度传感器并将其与高速采集处理电路集成的检测方式。分析了分布式光纤温度传感技术应用于隧道火情监控的优越性。结合计算机及现场Modbus网络构建了隧道监测网络,同时还介绍了开发隧道监测网络的软硬件设计过程。现场实验表明,分布式光纤温度传感技术具有良好的应用前景和较高的推广价值。
The superiority of fiber-optic distributed temperature sensor for tunnel monitoring is analyzed. The principle of distributed temperature measurement is introduced. Raman distributed temperature sensor and the high-speed sampling circuit are employed and connected to the temperature measuring system.Tunnel monitoring network is designed via the industrial computer and Modbus. The design process of hardware and software for the tunnel monitoring network is stated in detail. The application prospect of the monitoring system including the fiber-optic distributed temperature sensor will be brilliant in the future.
出处
《应用光学》
CAS
CSCD
2005年第3期20-22,共3页
Journal of Applied Optics
关键词
分布式光纤
温度传感
监测网络
distributed fiber-optic
temperature sensor
monitoring network
