仪表技术与传感器
儀錶技術與傳感器
의표기술여전감기
INSTRUMENT TECHNIQUE AND SENSOR
2015年
1期
13-16
,共4页
石延平%陈绍鹏%刘成文%侯金柱
石延平%陳紹鵬%劉成文%侯金柱
석연평%진소붕%류성문%후금주
拉压力传感器%铁基纳米微晶合金%压磁效应%试验
拉壓力傳感器%鐵基納米微晶閤金%壓磁效應%試驗
랍압력전감기%철기납미미정합금%압자효응%시험
tension and compression force sensor%Fe-based nanocrystalline alloy%magneto-elastic effect%test
将铁基纳米微晶合金薄带缠绕并嵌入圆柱型应力敏感芯,利用压磁效应,使传感器实现拉压力测量。介绍了传感器的结构和原理,推导出传感器的输出特性方程。通过静态压缩试验,分析了传感器的激磁磁场强度、激磁电流强度、激磁频率以及温度变化对传感器输出的影响,得出了室温下传感器的静态特性。试验数据显示,传感器的最大非线性误差小于1.16%F.S,重复性误差为0.53%F.S,迟滞误差为0.36%F.S,平均灵敏度为1.14 mV/kN.对一般的工程应用是可行的。
將鐵基納米微晶閤金薄帶纏繞併嵌入圓柱型應力敏感芯,利用壓磁效應,使傳感器實現拉壓力測量。介紹瞭傳感器的結構和原理,推導齣傳感器的輸齣特性方程。通過靜態壓縮試驗,分析瞭傳感器的激磁磁場彊度、激磁電流彊度、激磁頻率以及溫度變化對傳感器輸齣的影響,得齣瞭室溫下傳感器的靜態特性。試驗數據顯示,傳感器的最大非線性誤差小于1.16%F.S,重複性誤差為0.53%F.S,遲滯誤差為0.36%F.S,平均靈敏度為1.14 mV/kN.對一般的工程應用是可行的。
장철기납미미정합금박대전요병감입원주형응력민감심,이용압자효응,사전감기실현랍압력측량。개소료전감기적결구화원리,추도출전감기적수출특성방정。통과정태압축시험,분석료전감기적격자자장강도、격자전류강도、격자빈솔이급온도변화대전감기수출적영향,득출료실온하전감기적정태특성。시험수거현시,전감기적최대비선성오차소우1.16%F.S,중복성오차위0.53%F.S,지체오차위0.36%F.S,평균령민도위1.14 mV/kN.대일반적공정응용시가행적。
By wrapping Fe-based nanocrystalline alloy strip into a cylindrical stress-sensitive magnetic , a novel tension and compression force sensor was made based on magneto-elastic effect .The principle and structure of the sensor were presented ,and its output characteristic equation was derived .By making a tensile and compression measuring experiment ,the excitation magnetic field intensity ,current intensity ,frequency and temperature change of the sensor influence on its output were analyzed .The static charac-teristics and characteristics of the load cell were got .The experimental result shows the maximum linearity error of the load cell is less than1.16%F.S,repetitive error is 0.53%F.S,hysteresis error is 0.53%F.S and the average sensitivity is 1.14.The load cell can be used for general engineering applications .