一款新型太阳能无线超高频阅读器的设计  

A new type of UHF reader with solar charge and wireless communication

作　　者：田野[1] 张红雨[1] 

机构地区：[1]电子科技大学电子工程学院,四川成都611731

出　　处：《电子技术应用》2013年第10期25-28,共4页Application of Electronic Technique

摘　　要：射频识别是物联网的关键技术之一,其中超高频段(860 MHz^960 MHz)射频识别系统是目前比较成熟的射频识别系统。设计出一款太阳能无线超高频阅读器。LPC2138片内PLL可达60 MHz,具有很好的数据处理能力。μCOS-Ⅱ操作系统是一款嵌入式强实时操作系统,使用它能够满足阅读器的多任务要求。CN3722是一款太阳能采集芯片,能够实现最大功率点跟踪。本设计采用CN3722配合锂电池充电芯片TP4056,设计出一款多功能充电电路。无线数据传输方案采用蓝牙转串口模块实现。RFID is one of the key technologies of the Internet of Things,and UHF （860 MHz to 960 MHz） radio frequency identification system is relatively mature in RFID system.A new type of UHF reader with solar charge and wireless communication has been proposed in this paper.The PLL of LPC2138 can reach to 60 MHz and so the chip has good ability in data processing.μCOS-Ⅱ is been selected to meet the UHF reader＇s multiple tasks requirements.CN3722 is a solar energy collection chip,it combined with TP4056 to complete the task of lithium battery charging.Bluetooth module is used to realize wireless communication.

关 键 词：射频识别 超高频阅读器 太阳能充电技术 μCOS-Ⅱ 

分 类 号：TP29[自动化与计算机技术—检测技术与自动化装置]