昆虫电荷特性测量传感器的研究  

Research on sensor of insect charge characteristics test

作　　者：侯加林[1] 唐凯[1] 王华华[1] 李天华[1] 

机构地区：[1]山东农业大学机械与电子工程学院,泰安271018

出　　处：《电子测量与仪器学报》2012年第1期1-6,共6页Journal of Electronic Measurement and Instrumentation

基　　金：山东省自主创新成果转化重大专项(2009CHCX1A1401)

摘　　要：针对昆虫探测及定位困难的问题,应用静电感应理论,建立了昆虫电荷特性传感器模型,设计制作了高灵敏度的昆虫电荷特性传感器和微电流测量电路;对传感器信号及噪声进行分析计算,并进行了标定试验。结果表明该昆虫电荷特性传感器对匀强电场的灵敏度是0.05 V/m,电荷量灵敏度为0.03 pC,线性度优于2%,可以完成对昆虫电荷量和电荷特性的测量任务,对进一步开展昆虫电荷特性的研究具有重要意义。Aiming at the problem of detection and positioning for insects,a sensor model of insect charge characteristics was built based on electrostatic induction theory,and a high sensitivity sensor and a micro-current measurement circuit were designed.The results of sensor signal analysis,noise calculation and calibration test show that the sensor＇s sensitivity for uniform electric field is 0.05 V/m,the charge sensitivity is 0.03 pC,and the linearity is better than 2%.It can complete the measuring task of insect charge and charge characteristics.The result has importance meaning for the further research of insect charge characteristics.

关 键 词：昆虫电荷 传感器 微电流 噪声分析 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]