基于ZigBee和GPRS饮水机自动叫水智能系统设计.pdfVIP

学兔兔 基于ZigBee和GPRS饮水机自动叫水智能系统设计 邹志勇，等 基于ZigBee GPRS饮水机自动叫水智能系统设计冰 邹志勇，剧 曼 (四川农业大学信息与工程技术学院 四川雅安，625014) 摘 要：为解决办公楼、公众场所饮水机及时换水问题，以zigBee技术为核心创新出饮水机缺水自动短信通知供水人 员及时换水新功能。硬件设计以CC2430为核心，选用食品级耐【岛温sI；$304 1B型浮球液位开关实现水位信 检测；通过 GRPS模块实现短信发送功能；为实现安装灵活方便，各节点采朋了灵活多样的供电方式。在分析ZStack协议栈操作系统 的基础上，在其中实现水位检测程序，基于串口的GPRS模块通信程序。经测试系统能有效、及时地发出缺水信号短信实现 自动ⅡU水功能。 关键词：zj gBee；GPRS；饮水机；CC2430；水位检测 Abstract：To solve change water problems of water machine in the office building and public places in time，take ZigBee technology as the core，a new functions was invented，namely automatically sending text messages to notice water supply person— nel to change water．Take CC2430 as the core for hardware design，ball float water level switches of fuod grade high temperature resistant SU$304 1 B type was chosen to realize the signal detection；SMS function was realized through the GRPS modules；To realize the flexible and convenient installation，flexible ways of power supply was adopted for each node．Based On the analysis of the operating system of ZStack protocol stack，in which detecting program and GPRS module communication program based on the serial port were applied．According to the test，atuomatic supply water function was realized through the system send text messages of lack water effectively and timely． Key words：ZigBee；GPRS；Water machine；CC2430；Water level detection 中图分类号：TP393 文献标识码：B 文章编号：i001—9227(2013)一Ol一0074—03 0 引 言 系统山ZigBee网络和C,PRS模块构成，其典型的拓扑结构如 随着ZigBee、嵌入式技术的发展，“物联网”热潮应势而起， 1所示。ZigBee网络包括3种节点，第一种足ZigB