光纤传感器在液位检测中的应用  

Application of fiber-optic sensor in liquid-level detection

作　　者：张玉[1] 孙旋[1] 刘电霆[1] 

机构地区：[1]桂林理工大学机械与控制工程学院,广西桂林541004

出　　处：《传感器与微系统》2011年第6期123-125,共3页Transducer and Microsystem Technologies

基　　金：广西教育厅科研计划资助项目(201010LX201)

摘　　要：针对目前科学研究和工业生产中常遇到的液位检测问题,介绍一种基于光学全反射和折射原理的光纤传感器,重点论述了传感器探头形状、光源的选择对传感器性能的影响,对传感器的光学传输特性进行了分析。与传统的液位传感器相比,该传感器不受电磁干扰的影响,耐高温,耐高压,抗腐蚀,可在有毒、核辐射等恶劣环境下正常工作。Aimed at the problem of liquid-level detection which is always occurred in scientific research and industrial production.A fiber-optic sensor based on optical total reflection and refraction is introduced.Principle effect of probe shape of sensor and the choice of light source on the performance of sensor is discussed.The optical transmission properties is analyzed.Compared with traditional liquid-level sensors,the fiber optic sensor is not influenced by electromagnetic interference and can bear high temperature and high pressure,resistant to corrosion,it can work normally in the environment of toxic,nuclear radiation and other harsh conditions.

关 键 词：光纤传感器 液位检测 实时监控 

分 类 号：TP212.9[自动化与计算机技术—检测技术与自动化装置]