1. 国网智能电网研究院有限公司
2. 国网河北省电力有限公司
纸质出版:2024
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陈艺征, 吴跃斌, 钟成, 等. 基于挠度放大结构的增敏应变传感器[J]. 传感器与微系统, 2024,(12):80-83.
陈艺征, 吴跃斌, 钟成, 等. 基于挠度放大结构的增敏应变传感器[J]. 传感器与微系统, 2024,(12):80-83. DOI: 10.13873/J.1000-9787(2024)12-0080-04.
提出并论证了一种基于挠度放大结构和非本征法布里—珀罗干涉(EFPI)原理的增敏光纤应变传感器,旨在追求更高精度的应力检测,其关键特征是通过挠度放大结构将较小的轴向应变变化转化为较大的干涉腔长变化,当应变达到1 500×10
-6
时,干涉腔长的变化量超过0.5 mm
使得应变大小量更易获得,大幅提高了传感器的灵敏度。实验验证:该传感器具有1 500×10
-6
的量程和±0.04×10
-6
的波动量。研究数据表明:该传感器具有寿命长、成本低、高灵敏度和高分辨力等优点,有望在实际工程结构健康检测领域应用。
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