海洋FBG压力及温补传感器温度响应一致性研究
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摘要
为满足船载拖曳式全光纤海洋温深剖面连续测量的要求,测量海水深度的光纤布拉格光栅(FBG)压力传感器利用FBG温度传感器作为其温补传感器。由于二者对温度同时敏感且对海水温度的响应时间存在不一致性,导致在拖曳测试海水压力时有所偏差。针对这一问题,本文对传感器的温度响应一致性进行分析研究。通过对FBG温度传感器的外管加装绝热材料,使其与FBG压力传感器的温度响应时间接近一致。通过海试验证,FBG压力传感器与标准传感器ALEC(亚力克)具有较高的测量相关性。
In order to meet the requirements of continuous measurement of ship-borne towed fully fiber optic marine temperature-depth profile,FBG pressure sensor measuring seawater depth uses FBG temperature sensor as its temperature compensation sensor. Because both of them are sensitive to temperature and have different respond time to seawater temperature,there are some deviations in testing seawater pressure. Aiming at this problem,the temperature response consistency of sensors is analyzed. Through installing thermal insulation material for outer tube of FBG temperature sensor,thus,the temperature response time of FBG temperature sensor and pressure sensor is almost consistent. Finally,through the sea trial verification,FBG pressure sensor and standard sensor ALEC have higher measurement consistency.
In order to meet the requirements of continuous measurement of ship-borne towed fully fiber optic marine temperature-depth profile,FBG pressure sensor measuring seawater depth uses FBG temperature sensor as its temperature compensation sensor. Because both of them are sensitive to temperature and have different respond time to seawater temperature,there are some deviations in testing seawater pressure. Aiming at this problem,the temperature response consistency of sensors is analyzed. Through installing thermal insulation material for outer tube of FBG temperature sensor,thus,the temperature response time of FBG temperature sensor and pressure sensor is almost consistent. Finally,through the sea trial verification,FBG pressure sensor and standard sensor ALEC have higher measurement consistency.
引文
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[3]TIAN Yu,WANG Xin,LI Jianguo.Research on data acquisition technology of SZCl5-2 CTD[J].Ocean Technology,2008,27(1):14-18.(in Chinese)田雨,王欣,李建国.SZCl5—2型CTD数据采集技术研究[J].海洋技术,2008,27(1):14-18.
[4]SUN Guixin,SHI Feng.SBE25 CTD profiler and its using method[J].Meteorological,Hydrological and Marine Instruments,2010,(3):18-19,24.(in Chinese)孙贵新,史峰.SBE25 CTD剖面仪及其使用方法[J].气象水文海洋仪器,2010,(3):18-19,24.
[5]GUO Binbin,LI Qi,XIAO Bo,et al.SBE 917 plus CTD profiler and its self-contained operation[J].Ocean Information,2015,(1):42-45.(in Chinese)郭斌斌,李琦,肖波,等.SBE 917 plus CTD剖面仪及其自容式作业[J].海洋信息,2015,(1):42-45.
[6]ZHANG Dengpan,FENG Pan,WANG Yongjie,et al.Experimental research on continuous measurement of all fiber optic ocean temperature-depth profile[J].Infrared and Laser Engineering,2017,46(7):108-113.(in Chinese)张登攀,冯盼,王永杰,等.全光纤海洋温深剖面连续测量试验研究[J].红外与激光工程,2017,46(7):108-113.
[7]YIN Xiaofeng,JIANG Nuan,YANG Huayong,et al.A novel fiber grating pressure sensor with high sensitivity based on elastic sheet packaging[J].Journal of Optoelectronics·Laser,2011,22(5):681-684.(in Chinese)殷小峰,姜暖,杨华勇,等.基于弹性薄片封装的高灵敏度光纤光栅压力传感器[J].光电子·激光,2011,22(5):681-684.
[8]LUO Pei.Sensitivity analysis of diaphragm type fiber Bragg grating pressure sensor[J].Mechanical and Electrical Engineering Technology,2011,40(5):65-66,78.(in Chinese)罗裴.膜片式光纤光栅压力传感器的灵敏度分析[J].机电工程技术,2011,40(5):65-66,78.
[9]WANG Buxuan.Heat and mass transfer of Engineering[M].Beijing:Science Press,1998:139-148.(in Chinese)王补宣.工程传热传质学[M].北京:科学出版社,1998:139-148.
[10]YU Youlong.Experimental study on the characteristics of fiber Bragg grating temperature sensor packaged with a metal tube[J].Journal of natural science of Heilongjiang University,2011,28(5):737-740.(in Chinese)余有龙.金属管封装光纤光栅温度传感器特性的实验研究[J].黑龙江大学自然科学学报,2011,28(5):737-740.
[11]ZHANG Dengpan,WANG Jin,WANG Yongjie.Fast response properties of ocean temperature sensors based on fiber bragg grating[J].Opto-Electronic Engineering,2015,42(3):7-12.(in Chinese)张登攀,王8),王永杰.光纤光栅海洋温度传感器的快速响应特性[J].光电工程,2015,42(3):7-12.