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A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
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基于杆脚配置的光纤流量传感器.

Dongyu Zhang, Yan Bai, Guoquan Liu

    Applied optics
    |September 14, 2023
    PubMed
    概括

    一个新的纤维布拉格格网 (FBG) 传感器使用杆杆设计,用于在注射井中准确测量温度和流量. 这种紧型传感器为工业应用提供了高分辨率和稳定性.

    科学领域:

    • 光学和光子学 在光学和光子学.
    • 传感器技术 传感器技术
    • 机械工程 机械工程

    背景情况:

    • 精确监测温度和流量在工业过程中至关重要,特别是在注入井中.
    • 现有的传感器可能在紧性,分辨率或适用于苛刻环境的稳定性方面面临限制.
    • 纤维支格 (FBGs) 为传感应用提供了一个强大的平台,因为它们对电磁干扰和复杂化能力的免疫力.

    研究的目的:

    • 提出并演示基于杆链结构的新型目标型纤维布拉格格 (FBG) 传感器.
    • 为了实现温度和压力的差异测量,以提高精度.
    • 为了确定FBG波长转移和测量物理参数 (温度和体积流速) 之间的关系.

    主要方法:

    • 一个杆杆机械结构的设计是为了放大外部刺激对两个FBG的影响.
    • 使用理论建模来了解传感器的操作原理.
    • 进行了实验调查,以验证理论设计和校准传感器.
    • 来自两个FBG的不同波长测量被用于解温度和流速效应.

    主要成果:

    • 拟议的传感器成功地展示了基于FBG的传感器的杆链机制.
    • 试验确定了FBG波长和温度之间的关系.

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  • 确定了FBG波长和体积流速之间的关系,显示出良好的相关性.
  • 传感器呈现出一个紧的外形,具有高分辨率,稳定性和广泛的测量范围.

    • 结论:

    • 开发的目标型FBG传感器采用杆杆结构,可有效地同时测量温度和体积流量.
    • 传感器的特性 (紧性,分辨率,稳定性,易于制造) 使其适用于注入井的应用.
    • 这种FBG传感器技术为在具有挑战性的工业环境中精确监控提供了有前途的解决方案.