[1]黄梅红,王巨锋,庄其仁.基于扭转结构磁电流互感器的光强信号分析[J].泉州师范学院学报,2018,(02):61-66.
 HUANG Meihong,WANG Jufeng,ZHUANG Qiren.The Study of Light Intensity Signal of Magnetic Current Sensor Based on Torsion Structure[J].,2018,(02):61-66.
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基于扭转结构磁电流互感器的光强信号分析()
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《泉州师范学院学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2018年02期
页码:
61-66
栏目:
数理科学
出版日期:
2018-04-15

文章信息/Info

Title:
The Study of Light Intensity Signal of Magnetic Current Sensor Based on Torsion Structure
文章编号:
1009-8224(2018)02-0061-06
作者:
黄梅红1王巨锋2庄其仁2
1.泉州师范学院 航海学院,福建 泉州 362000; 2.华侨大学 信息科学与工程学院,福建 厦门 361021
Author(s):
HUANG Meihong1WANG Jufeng2ZHUANG Qiren2
1.Nautical College,Quanzhou Normal University,Fujian 362000,China; 2.College ofInformation Science and Engineering,Huaqiao University,Fujian 361021,China
关键词:
光强信号 电流互感器 磁扭转 信号处理
Keywords:
light intensity signal current sensor magnetic torsion signal processing
分类号:
TN29
文献标志码:
A
摘要:
提出一种以铁磁材料为核心部件的复合结构光学电流互感器,该互感器的传感部件在交变大电流作用下发生周期性扭转而引起检测光信号强度发生变化.文章分析检测互感器特性的光强信号,通过电流互感器的光路检测过程,从衍射理论分析互感器的光学解调原理,并计算及仿真出扭转角度与归一化光强关系、被测电流与归一化光强衰减关系.并在实验室搭建检测光路,检测光路由光源、光纤准直器、电流互感器、反射光栅、测量光信号电路及显示输出模块等组成,实验中合理选择光栅参量,理论计算±1级衍射光强和0级衍射光强的比值,通过实验获得光强信号加以论证.最后通过实验获得光强信号与被测电流的关系曲线,并分析电流互感器灵敏度,获的灵敏度值达0.067/A.
Abstract:
A kind of optical current sensor with ferromagnetic material as its core componentbased on a composite structure is studied in this paper,whose sensing parts occurperiodically reversed under the action of alternating current resulting in changes in theintensity of the detected signal.This article focuses on light intensity signal of detectingsensor characteristics,optical demodulation principle of sensor from the diffraction theory,calculation and simulation of relation between torsion angle and normalized light intensity,relation between current and normalized intensity attenuation.Detection optical path is builtin laboratory,whose structure consists of source,fiber collimator, current sensor,reflectiongrating, circuit of detecting optical signal and display output module.The ratio of ±1 gradediffraction intensity and 0 grade diffraction intensity are theoretically calculated byreasonable selection of grating parameters,which is demonstrated by the intensity signalobtained by experiment.Finally,the relation curve between the intensity signal and themeasured current is obtained,sensitivity of current sensor is analyzed and sensitivity valueof 0.067/A is obtained.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-02-05
作者简介:黄梅红(1980-),女,福建惠安人,讲师,硕士,主要从事光电通信和光纤传感技术研究.
基金项目:福建省自然科学基金(11151054); 福建省教育厅课题(JA15396); 福建省光传输与变换重点实验室开放课题(2014101)
更新日期/Last Update: 2018-04-15