传感技术学报2017，Vol.30Issue(11)：1653-1659,7.DOI:10.3969/j.issn.1004-1699.2017.11.007
三线圈式无源电子标签质量参数检测技术研究
Research on Quality Parameters Detection of Passive Electronic Label Using Three-Coil
摘要
Abstract
The principle of passive electronic tags in electronic goods anti-theft systems(EAS)can be equivalent to LCR series circuits whose resonant frequency FXand quality factor Q are the key quality parameters of passive elec-tronic tags. Aiming at the shortcomings of the current two-coil detection method to detect such tag parameters,a three-coil sensor probe structure is designed. The working principle of the three-coil sensing probe is analyzed,and the equivalent circuit of the sensor is adopted by Proteus software Model simulation,verify the feasibility of the measurement method. At the same time,the detection hardware circuit with MSP430F149 processor is designed,and the hopping-frequency program of FXand Q is designed based on dichotomy. The experimental results show that the absolute error of FXand Q value measurement is less than 9.1 kHz and 1.0,respectively. The performance is better than that of commercial EAS frequency detector(E-X5006AM).关键词
电气工程/电子标签/Proteus/谐振频率/品质因素Key words
electrical engineering/electronic tags/proteus/resonant frequency/quality factor分类
机械制造引用本文复制引用
盛庆元,蔡晓霞,朱丹..三线圈式无源电子标签质量参数检测技术研究[J].传感技术学报,2017,30(11):1653-1659,7.基金项目
浙江省教育厅科研项目(Y201738724) （Y201738724）
绍兴职业技术学院2017年一般科研项目(201712) （201712）
