基于磁弹效应的斜拉桥索力传感器研究  

Research of cable tension sensor based on magneto-elastic effect in cable-stayed bridge

作　　者：唐德东[1] 黄尚廉[1] 陈伟民[1] 

机构地区：[1]重庆大学光电工程学院光电技术及系统教育部重点实验室

出　　处：《传感器与微系统》2006年第10期28-30,共3页Transducer and Microsystem Technologies

基　　金：国家科技攻关计划资助项目(2002BA105C);重庆市科技攻关计划重大专项资助项目(7289)

摘　　要：针对斜拉桥索力在线监测的实际情况和现有索力传感器的不足,提出了基于磁弹效应的新型索力传感器,并阐述它的原理,详细分析它的影响因素及其处理办法,搭建相应的试验系统,进行了拉力模拟试验,试验表明:该传感器动态响应好,测量重复性误差为±0.2%,满足索力的在线测量要求。Aiming at the insitu detection for the cable tension of cable-stayed bridge and shortage of the existing cable tension sensor, a new insitu cable tension sensor based on magneto-elastic effect is introduced,it＇ s principle is described, the factor of effect is analyzed. The experiment system is designed, the experiment of pulling tension is carried on ,the experiment results indicated that dynamic characteristic is good, it＇ s repetition error is ± 0.2 %, adapt to requirement of insitu measurement cable tension.

关 键 词：索力 磁弹效应 磁导率 传感器 

分 类 号：TP212.1[自动化与计算机技术—检测技术与自动化装置]