组装式光纤光栅压力环研究
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摘要
为实现桥梁索力的精确测量,结合光纤光栅(FBG)传感器的优点,探索一种组装式光纤光栅压力环。通过数值模拟对组合式压力环受力柱不同长径比与法兰板不同厚度进行研究和优化,并对光纤光栅传感器的封装方法进行探讨,初步得出压力环几何参数的合理范围。从合理范围内选取一种规格进行试验验证,证明了该压力环在设计、使用等方面的可行性。最终确定该压力环几何参数范围,并且证明组合式光纤光栅压力环在线性度、灵敏度、迟滞性、重复性、总精度等方面具有优异性能,可以满足工程测试要求。
In order to realize the precise measurement of bridge cable force,a kind of assembled fiber Bragg grating pressure ring was explored based on the advantages of FBG sensor. Through numerical simulation,the different length and diameter ratio of the combined pressure ring and different thickness of flange plate were studied and optimized,and the encapsulation method of the fiber Bragg grating sensor was probed,the reasonable range of the pressure ring geometrical parameters was obtained. A specification of the pressure ring in the reasonable range was obtained to verify the experiment,and the feasibility of the pressure ring in design and application. Finally,the geometrical parameters range of the pressure ring was determined,and it was proved that the combined fiber Bragg grating pressure ring had excellent performance in linearity,sensitivity,hysteresis,repeatability and total precision,which could meet the requirements of engineering test.
In order to realize the precise measurement of bridge cable force,a kind of assembled fiber Bragg grating pressure ring was explored based on the advantages of FBG sensor. Through numerical simulation,the different length and diameter ratio of the combined pressure ring and different thickness of flange plate were studied and optimized,and the encapsulation method of the fiber Bragg grating sensor was probed,the reasonable range of the pressure ring geometrical parameters was obtained. A specification of the pressure ring in the reasonable range was obtained to verify the experiment,and the feasibility of the pressure ring in design and application. Finally,the geometrical parameters range of the pressure ring was determined,and it was proved that the combined fiber Bragg grating pressure ring had excellent performance in linearity,sensitivity,hysteresis,repeatability and total precision,which could meet the requirements of engineering test.
引文
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[12]李冬生,邓年春,周智,等.拱桥吊杆的光纤光栅监测与健康诊断[J].光电子·激光,2007,18(1):81-84.LI D S,DENG N C,ZHOU Z,et al.Fiber Bragg grating sensor monitoring techniques and health diagnosis of a rch bridge suspenders[J].Journal of Optoelec Tronics Laser,2007,18(1):81-84.
[13]蔡安,印新达,常晓东,等.具有温度补偿的膜片型光纤光栅温度压力传感器[J].传感器与微系统,2013,32(4):98-100.CAI A,YIN X D,CHANG X D,et al.Temperaturecompensated diaphragm type fiber Bragg grating pressure sensor[J].Sensors and Micro Systems,2013,32(4):98-100.
[14]于国亮.一种微型FBG压力传感器的设计研究[D].青岛:山东科技大学,2011.YU G L.Design of a miniature FBG pressure transducer[D].Qingdao:Shandong University of Science and Technology,2011.
[15]马薇.筒型测力传感器轴向力测量动态标定方法研究[D].沈阳:沈阳工业大学,2016.MA W.Research on dynamic calibration method for axial force measurement of cylinder type dynamometer[D].Shenyang:Shenyang University of Technology,2016.
[2]李新科,高潮,郭永彩,等.桥梁拉索表面缺陷的分布式机器视觉检测[J].光学技术,2013,39(5):424-428.LI X K,GAO C,GUO Y C,et al.Distributed machine vision detection for bridge cable surface defects[J].Optical Technology,2013,39(5):424-428.
[3]程华龙.论桥梁拉索的寿命与安全[J].安徽职业技术学院学报,2014,13(1):13-17.CHNG H L.On the life and safety of bridge cable[J].Journal of Anhui Vocational and Technical College,2014,13(1):13-17.
[4]高建勋.斜拉桥索力测试方法及误差研究[J].公路与汽运,2004(4):80-81.GAO J X.Study and error analysis on measurement of stay cable tension[J].High Ways&Automotive Applications,2004(4):80-81.
[5]罗炳华.黄龙带特大桥成桥索力测试[J].公路交通科技(应用技术版),2016,12(4):230-233.LUO B H.Cable tension test of Huanglong belt bridge[J].Highway Traffic Technology(Applied Technology),2016,12(4):230-233.
[6]姜德生,郝义昶,刘胜春.光纤Bragg光栅测力环在系杆拱桥中的应用[J].仪表技术与传感器,2006(2):43-44.JIANG D S,HAO Y C,LIU S C.Application of fiber bragg grating force ring in tied arch bridge[J].Instrumentation Technology and Sensors,2006(2):43-44.
[7]覃荷瑛,张贺丽,沈全喜,等.内嵌预压式大量程光纤光栅智能钢绞线的标定试验[J].铁道标准设计,2018,62(5):76-81.QIN H Y,ZHANG H L,SHEN Q X,et al.Calibration test of embedded pre-pressure fiber grating intelligent steel stranded wire[J].Railway Standard Design,2018,62(5):76-81.
[8]徐国权,熊代余.光纤光栅传感技术在工程中的应用[J].中国光学,2013,6(3):306-317.XU G Q,XIONG D Y.Application of FBG sensing technology in engineering[J].China Optics,2013,6(3):306-317.
[9]尹东.基于光纤光栅的船闸人字门应变监测系统设计[D].大连:大连海事大学,2017.YIN D.Design of the gate strain monitoring system based on fiber grating for Shiplock[D].Dalian:Dalian Maritime University,2017.
[10]欧进萍,周智.纤维增强塑料-光纤光栅复合传感筋[P].中国专利:CN1484056,2004-03-24.OU J P,ZHOU Z.Fiber reinforced plastic fiber grating composite sensing tendons[P].China Patent:CN148-4056,2004-03-24.
[11]邓年春,周智,龙跃,等.光纤光栅冷铸镦头锚拉索及其在桥梁中应用[J].预应力技术,2007(3):3-6.DENG N C,ZHOU Z,LONG Y,et al.Fiber Bragg grating cold cast upsetting anchor cable and its application in bridge[J].Prestressing Technology,2007(3):3-6.
[12]李冬生,邓年春,周智,等.拱桥吊杆的光纤光栅监测与健康诊断[J].光电子·激光,2007,18(1):81-84.LI D S,DENG N C,ZHOU Z,et al.Fiber Bragg grating sensor monitoring techniques and health diagnosis of a rch bridge suspenders[J].Journal of Optoelec Tronics Laser,2007,18(1):81-84.
[13]蔡安,印新达,常晓东,等.具有温度补偿的膜片型光纤光栅温度压力传感器[J].传感器与微系统,2013,32(4):98-100.CAI A,YIN X D,CHANG X D,et al.Temperaturecompensated diaphragm type fiber Bragg grating pressure sensor[J].Sensors and Micro Systems,2013,32(4):98-100.
[14]于国亮.一种微型FBG压力传感器的设计研究[D].青岛:山东科技大学,2011.YU G L.Design of a miniature FBG pressure transducer[D].Qingdao:Shandong University of Science and Technology,2011.
[15]马薇.筒型测力传感器轴向力测量动态标定方法研究[D].沈阳:沈阳工业大学,2016.MA W.Research on dynamic calibration method for axial force measurement of cylinder type dynamometer[D].Shenyang:Shenyang University of Technology,2016.