可远程自校准的分布式组网无线微振动测试仪研制
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摘要
为满足文化遗产地的微振动环境监测需求,设计了可远程自校准的分布式组网无线微振动测试仪。通过测试仪硬件电路、固件程序、封装结构的合理设计,以及测试仪的校准试验和在敦煌莫高窟的现场试验,验证了设计的无线微振动测试仪具有无线分布式组网、集成度高、远程自校准、同步采样、自动定位、灵敏度高等特点,能够满足世界文化遗产地对微振动环境的长期大范围监测需求。该测试仪已经在敦煌莫高窟的风险预警系统中使用。
In order to realize real-time micro vibration monitoring in the area of cultural heritage,a distributed wireless micro vibration testing instrument was designed with remote self-calibrate function.Through the rational design of hardware circuit,firmware program and package structure,at the same time the calibration experiment and field experiment in Mogao Grottoes of the testing instrument were implemented.It has been proved that the designed testing instrument has the advantage such as distributed wireless networking,high integrated sense and adaptation,remote selfcalibration,synchronous sampling,automatic positioning and high sensitivity,which is able to meet the demand of micro vibration monitoring for long time and wide range in the area of world cultural heritage.At present the testing instruments are used in the risk early warning system of Dunhuang Mogao Grottoes.
In order to realize real-time micro vibration monitoring in the area of cultural heritage,a distributed wireless micro vibration testing instrument was designed with remote self-calibrate function.Through the rational design of hardware circuit,firmware program and package structure,at the same time the calibration experiment and field experiment in Mogao Grottoes of the testing instrument were implemented.It has been proved that the designed testing instrument has the advantage such as distributed wireless networking,high integrated sense and adaptation,remote selfcalibration,synchronous sampling,automatic positioning and high sensitivity,which is able to meet the demand of micro vibration monitoring for long time and wide range in the area of world cultural heritage.At present the testing instruments are used in the risk early warning system of Dunhuang Mogao Grottoes.
引文
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[2]王昊.交通振动对石窟类古建筑的影响及对策[J].交通标准化,2011(10):168-170.WANG Hao.Effects and countermeasure on grottoes ancient architecture by traffic vibration[J].Transport Standardization,2011(10):168-170.
[3]罗瑶.敦煌莫高窟旅游环境容量及量测分析[J].敦煌研究,2005(4):9-15.LUO Yao.Analysis on tour environmental capacity and assessment of Mogao Grottoes in Dunhuang[J].Dunhuang Research,2005(4):9-15.
[4]李昊,简方梁.人群行走荷载作用下的人致结构振动[J].华南理工大学学报(自然科学版),2010,38(4):125-130.LI Hao,JIAN Fangliang.Human-induced vibration under walking-crowd excitation[J].Journal of South China University of Technology(Natural Science Edition),2010,38(4):125-130.
[5]石玉成,王旭东,秋仁东,等.敦煌莫高窟崖体锚索加固技术钻孔振动效应测试分析[J].世界地震工程,2007,23(4):7-12.SHI Yucheng,WANG Xudong,QIU Rendong,et al.Vibration effect testing and analysis of achor wire reinforcement of cliff rock mass of Mogao Grotto[J].World Earthquake Engineering,2007,23(4):7-12.
[6]李克飞,刘维宁,刘卫丰,等.交通振动对邻近古建筑的动力影响测试分析[J].北京交通大学学报,2011,35(1):79-83.LI Kefei,LIU Weining,LIU Weifeng,et al.Tests and analysis of traffic-induced vibration effects on surrounding historic buildings[J].Journal of Beijing Jiaotong university.2011,35(1):79-83.
[7]孙正华,方平.爆破振动监测技术在文物保护中的应用[J].工程质量,2008,8(增刊1):476-480.SUN Zhenghua,FANG Ping.Application of blasting vibration monitoring technique in the historical relics protection[J].Quality of Civil Engineering and Construction,2008,8(Sup1):476-480.
[8]冯志鹏,金乐娜,刘立,等.无线传感器网络振动监测系统[J].振动与冲击,2010,29(增刊1):405-407.FENG Zhipeng,JIN Lena,LIU Li,et al.Vibration monitoring system based on wireless sensor network[J].Journal of Vibration and Shock,2010,29(Sup1):405-407.
[9]孙志远,韩炜.Zig Bee技术在振动监测中的应用[J].传感器与微系统,2009,28(10):114-116.SUN Zhiyuan,HAN Wei.Application of Zig Bee technology in vibration monitor[J].Transducer and Microsystem Technologies,2009,28(10):114-116.
[10]秦国军,胡茑庆,李磊.振动监测无线传感网络节点设计及应用[J].振动与冲击,2008,27(增刊1):98-100.QIN Guojun,HU Niaoqing,LI Lei.Design and application of wireless sensor network for vibration monitoring[J].Journal of Vibration and Shock,2008,27(Sup1):98-100.
[11]王子龙,袁慎芳,胡步青,等.用于大规模实时连续监测的WSN多信道基站设计[J].振动、测试与诊断,2013,33(3):494-498.WANG Zilong,YUAN Shenfang,HU Buqing,et al.The multi-channel sink node design of wireless sensor network for widespread real-time continuous monitoring[J].Journal of Vibration,Measurement&Diagnosis,2013,33(3):494-498.
[12]杨年华,林世雄.爆破振动测试技术探讨[J].爆破,2000,17(3):90-92.YANG Nianhua,LIN Shixiong.Discuss of blasting vibration testing technology[J].Blasting,2000,17(3):90-92.
[13]陈晋央,余尚江,杜建国.敦煌莫高窟无线微振动监测系统构建[C]//张炜,郑建国.首届全国文物建筑结构振动控制与保护学术会议.西安,2014:87-91.
[14]李伯松,汪世亮,王旭东,等.敦煌机场飞机起落对莫高窟影响的测试分析报告[R].洛阳:总参工程兵科研三所,1991.
[15]杜建国,余尚江,陈晋央,等.敦煌莫高窟振源监测与风险评估研究[R].洛阳:总参工程兵科研三所,2015.
[16]IWASAKI Y,NAKAGAWA K,ISHIKAWA Y,et al.Microtremor measurements at Mogao Grottoes,Dunhuang,China for preliminary dynamic characterization for performance during earthquake[J].Engineering Geology for Society and Territory,2015(8):31-35.