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计算机系统应用英文版:2016,25(5):222-228

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嵌入豁口磁芯的13.56MHzRFID读写器天线

余自锋¹, 廖晓东^1,2, 王良鸿¹

(1.福建师范大学光电与信息工程学院, 福州 350007;2.福建师范大学智能光电系统工程研究中心, 福州 350007)

13.56MHZ RFID Reader Antenna Embedded in the Gap Magnetic Core

YU Zi-Feng¹, LIAO Xiao-Dong^1,2, WANG Liang-Hong¹

(1.School of Electronic College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou 350007, China;2.Intelligent Optoelectronic Systems Research Centre, Fujian Normal University, Fuzhou 350007, China)

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本文已被：浏览 1138次下载 2708次
Received:August 27, 2015 Revised:October 19, 2015

中文摘要: 本文针对天线线圈产生的磁场强度分布不均匀的现象,提出一种增强天线局部磁场强度的方案.首先,本文从理论出发解释了高频磁场的趋肤效应;其次,基于高频磁场的趋肤效应,提出往线圈中央添加开了豁口的金属磁芯,用以增强磁芯边缘和豁口位置的磁场强度;最后,通过三维电磁仿真软件AnsoftHFSS和MATLAB软件研究不同张角的豁口磁芯对环形天线的磁场强度的影响,旨在找出最优豁口的设计方案,对实际设计的13.56MHz RFID读写器天线具有一定的参考价值.

中文关键词: RFID 豁口磁芯 HFSS 磁场强度趋肤效应

Abstract:For the phenomenon that the distribution of magnetic field intensity caused by antenna coil is non-uniform, this article puts forward a solution to enhance the local antenna's magnetic field intensity. First of all, this article explains the skin effect of high frequency magnetic field from the theory. Then, based on the skin effect of high frequency magnetic field, we add a gap magnetic metal core in the central coil in order to enhance the magnetic field strength. Finally, the influence of the different opening Angle of the gaps magnetic core on the magnetic field strength of loop antenna is studied by using 3D electromagnetic simulation software Ansoft HFSS and the MATLAB software, to find out the optimal design scheme of gaps. This has a certain reference value for the actual design of the antenna in13.56 MHz RFID reader systems.

keywords: RFID gap magnetic core HFSS magnetic field strength skin effect

文章编号： 中图分类号： 文献标志码：

基金项目:福建省教育厅项目(JB12039)

Author Name	Affiliation
YU Zi-Feng	School of Electronic College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou 350007, China
LIAO Xiao-Dong	School of Electronic College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou 350007, China Intelligent Optoelectronic Systems Research Centre, Fujian Normal University, Fuzhou 350007, China
WANG Liang-Hong	School of Electronic College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou 350007, China

Author Name	Affiliation
YU Zi-Feng	School of Electronic College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou 350007, China
LIAO Xiao-Dong	School of Electronic College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou 350007, China Intelligent Optoelectronic Systems Research Centre, Fujian Normal University, Fuzhou 350007, China
WANG Liang-Hong	School of Electronic College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou 350007, China

引用文本：
余自锋,廖晓东,王良鸿.嵌入豁口磁芯的13.56MHzRFID读写器天线.计算机系统应用,2016,25(5):222-228
YU Zi-Feng,LIAO Xiao-Dong,WANG Liang-Hong.13.56MHZ RFID Reader Antenna Embedded in the Gap Magnetic Core.COMPUTER SYSTEMS APPLICATIONS,2016,25(5):222-228