摘要
提出了一种基于光纤探测技术的新型结冰传感器,讨论了光纤探头结构分布形式对传感器输出特性曲线的影响.然后,以同心圆式探头结构为核心分析了光在冰介质内的散射、反射及透射等光学特性,并设计了对应的光电信号处理电路.试验结果表明,光纤式结冰传感器在不同的结冰类型下均有较好的输出特性,对冰厚的最小检出下限为0.2 mm,最大检出上限为3 mm,具有较高的探测灵敏度和较大的测量范围.证明了这种基于光纤探测技术的新型结冰传感器的可行性.
A novel sensor for ice detection was studied experimentally by using fiber-optic detection technology was presented. The design of the arrangement of the sensor probe, which governed the characteristics of the ice sensor, was discussed. For a probe with concentric arrangement, the optical properties of ice were analyzed. Moreover, the electro-optics signal processing circuit was designed. As an application of the ice detection technology, an experiment platform was set up. The performance results demonstrate that the fiber-optic ice sensor has good output characteristics, such as high sensitivity and wide measurement range, and the potential to become a critical tool in addressing inflight icing problem.
出处
《华中科技大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2009年第8期16-18,22,共4页
Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金
国家自然科学基金资助项目(10577008)
关键词
光纤传感器
信号处理
光学特性
结冰
冰厚测量
fiber-optic sensors
signal processing
optical properties
freezing
ice thickness measurement
