Study on bragg grating vibration sensor of fully insulated multi-cantilever beam based on 3D printing technology

doi:10.13741/j.cnki.11-1879/o4.2018.06.012

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Study on bragg grating vibration sensor of fully insulated multi-cantilever beam based on 3D printing technology

更新时间：2025-09-01

- Study on bragg grating vibration sensor of fully insulated multi-cantilever beam based on 3D printing technology
- Vol. 44, Issue 6, Pages: 698-702(2018)
- 作者机构：
  
  1:昆明理工大学信息工程与自动化学院
- 作者简介：
- 基金信息：
- DOI：10.13741/j.cnki.11-1879/o4.2018.06.012
  CLC：
- Published：2018
- 稿件说明：
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Study on bragg grating vibration sensor of fully insulated multi-cantilever beam based on 3D printing technology[J]. 2018, 44(6): 698-702.
DOI：

Study on bragg grating vibration sensor of fully insulated multi-cantilever beam based on 3D printing technology[J]. 2018, 44(6): 698-702. DOI： 10.13741/j.cnki.11-1879/o4.2018.06.012.

摘要

设计一种融入3D打印技术

实现在高电压、强电磁场环境下检测振动信号的全绝缘多简支梁光纤Bragg光栅振动传感器。通过3D打印机制作而成

由粘贴于简支梁的光纤Bragg光栅受质量块驱动而产生应变

通过解调光栅波长变化量实现对振动信号的检测;有限元分析振动传感器谐振频率为232.47Hz

应变灵敏度为5.826με·g~(-1)时

加速度灵敏度为6.991pm·g~(-1)

表明了传感器理论上的测量带宽及传感器对检测信号的反应程度良好。实验结果表明:传感器谐振频率为240Hz

加速度灵敏度为6.270pm·g~(-1)

线性度为3.3%

表明了传感器实际的测量带宽及传感器对检测信号的反应程度;材料选用全绝缘的尼龙材料

具有良好的绝缘性。

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