用于航空发动机的光纤F-P温度传感器及其信号解调系统研究

doi:10.3901/JME.2019.18.001

机械工程学报 ›› 2019, Vol. 55 ›› Issue (18): 1-7.doi: 10.3901/JME.2019.18.001

• 仪器科学与技术 •

用于航空发动机的光纤F-P温度传感器及其信号解调系统研究

林启敬^1,2,3,4, 伍子荣², 赵娜², 田边², 蒋庄德^1,2

1. 西安交通大学高端制造装备协同创新中心西安 710054;
2. 西安交通大学机械制造系统工程国家重点实验室西安 710049;
3. 华中科技大学数字制造装备与技术国家重点实验室武汉 430074;
4. 浙江大学流体动力与机电系统国家重点实验室杭州 310027

收稿日期:2018-09-04 修回日期:2019-03-25 发布日期:2020-01-07
通讯作者: 蒋庄德(通信作者),男,1955年出生,博士,教授,中国工程院院士。主要研究方向为微纳制造、先进传感技术、精密超精密加工与测试技术及装备。E-mail:zdjiang@xjtu.edu.cn
作者简介:林启敬,男,1983年出生,博士,助理研究员。主要研究方向为微纳制造与光纤传感器。E-mail:xjjingmi@163.com
基金资助:
国家重点基础研究发展计划（973计划，2015CB057402）、中国博士后基金（2017M613114）、西安交通大学基本科研业务费（xjj2016011、syspz2017025）、数字制造装备与技术国家重点实验室（华中科技大学）开放课题（DMETKF2016006）和流体动力与机电系统国家重点实验室（浙江大学）开放基金（GZKF-201617）资助项目。

Research on Optical Fiber F-P Temperature Sensor and Its Signal Demodulation System Used in Aero-engine

LIN Qijing^1,2,3,4, WU Zirong², ZHAO Na², TIAN Bian², JIANG Zhuangde^1,2

1. Collaborative Innovation Center of High-End Manufacturing Equipment, Xi'an Jiaotong University, Xi'an 710054;
3. State Key Laboratory of Mechanical Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049;
3. State Key Laboratory of Digital Manufacturing Equipment & Technology, Huazhong University of Science and Technology, Wuhan 430074;
4. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027

Received:2018-09-04 Revised:2019-03-25 Published:2020-01-07

摘要/Abstract

摘要： 光纤F-P温度传感器具有结构稳定、精度高、体积小、抗电磁干扰、质量轻和成本低等优点，在航空发动机高温测量领域具有重要的潜在应用。针对航空发动机的高温工况，利用多光束干涉原理设计了光纤F-P传感器，并通过端面检测、显微测量等手段完成了光纤F-P温度传感器的制备。针对传统光谱仪解调系统昂贵，解调速度慢的不足，以F-P滤波器和DSP为核心设计了传感器的信号解调系统，克服了传统光谱仪解调的局限性；进行了解调系统的硬件设计，完成了光电转换放大电路的原理设计、仿真分析和电路制作，实现了解调系统的初步搭建。在高控温精度的高温炉中采用标准热电偶对制备完成的传感器进行标定，结果表明：在30~1 000℃温度范围内，传感器的温度响应灵敏度为0.012 nm/℃，线性度为0.996。

关键词: 光纤传感器, 高温测量, 航空发动机, 信号解调, 性能测试

Abstract: Optical fiber F-P temperature sensor with the advantages of stable structure, high precision, small volume, anti-electromagnetic interference, light weight and low cost has potential application in the high temperature measurement of aerial engine. According to the high temperature condition of aero-engine, the F-P temperature sensor is designed based on multi-beam interference principle. The fabrication of optical fiber F-P temperature sensor is completed by means of face detection and microscopic measurement. In order to overcome the shortcomings of the traditional spectrometer demodulation system which is expensive and slow demodulation speed, the signal demodulation system of the sensor is designed with F-P filter and DSP as the core, which overcomes the limitation of the demodulation with traditional spectrometer. The hardware design of the system is carried out, including the principle design, simulation analysis and circuit production of the photoelectric conversion amplifier circuit. Then the sensor is calibrated by standard thermocouple in high temperature furnace with high control precision of temperature. The results show that the temperature response sensitivity of the sensor is 0.012 nm/℃, and the linearity is 0.996 from 30℃ to 1 000℃.

Key words: optical fiber sensor, high temperature measurement, aero-engine, signal demodulation, performance test

中图分类号:

TG156

林启敬, 伍子荣, 赵娜, 田边, 蒋庄德. 用于航空发动机的光纤F-P温度传感器及其信号解调系统研究[J]. 机械工程学报, 2019, 55(18): 1-7.

LIN Qijing, WU Zirong, ZHAO Na, TIAN Bian, JIANG Zhuangde. Research on Optical Fiber F-P Temperature Sensor and Its Signal Demodulation System Used in Aero-engine[J]. Journal of Mechanical Engineering, 2019, 55(18): 1-7.

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用于航空发动机的光纤F-P温度传感器及其信号解调系统研究

Research on Optical Fiber F-P Temperature Sensor and Its Signal Demodulation System Used in Aero-engine

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