基于zigbee的蔬菜大棚环境参数采集系统设计

兰州工业学院毕业设计说明书（论文）I摘要目前，ZigBee技术已经广泛应用于近距离传输的无线通信领域，尤其是在工农业控制、医疗卫生方面日益起着越来越重要的作用。本设计意在通过ZigBee无线通信技术构建一个无线传感器网络（WSN），采用树型网络拓扑结构，对加入该网络的传感器节点进行温度、湿度、光照强度和二氧化碳浓度的数据进行采集和分析，将此应用于对农业里温室的环境检测和控制当中，避免了有线网络的布线问题和成本问题。本设计利用了一个结构合理的Web应用程序，搭建Web服务器来动态显示传感终端所采集的温室数据。关键词：ZigBee；CC2430；无线传感器网络；温湿度采集兰州工业学院毕业设计说明书（论文）IIAbstractCurrently,ZigBeetechnologyhasbeenwidelyusedincloserangetransmissionofwirelesscommunicationsisincreasinglyplayinganincreasinglyimportantrole,especiallyintheagriculturalandindustrialcontrol,medicalprotection.Thisdesignisintendedtobuildawirelesssensornetwork(WSN),theadoptionofZigBeewirelesscommunicationtechnology,theuseofatreenetworktopology,sensornodesjointhenetworktemperature,humidity,lightintensityandcarbondioxideconcentrationofthedatacollectionandanalysiswillthisappliedtothedetectionandcontroloftheenvironmentonagriculturalgreenhouse,toavoidthecablenetworkcablingproblemsandcostissues.ThisdesignusesarationalstructureoftheWebapplication,setupaWebservertodynamicallydisplaygreenhousedatacollectedbythesensorterminal.Keywords:ZigBee;CC2430;wirelesssensornetworks;temperatureacquisitio兰州工业学院毕业设计说明书（论文）III目录摘要...........................................................................................................IAbstract....................................................................................................II目录........................................................................................................III前言..........................................................................................................V1.绪论........................................................................................................11.1研究的背景和意义........................................................................11.2国内外温室测控系统研究现状..................................................11.2.1国内温室测控系统研究现状..........................................11.1.2国外温室测控系统研究现状..........................................22.系统分析................................................................................................42.1系统总体架构..............................................................................42.2系统设计原理..............................................................................52.3系统节点设计..............................................................................63.系统概述................................................................................................83.1数字温湿度传感器SHT10............................................................83.2CC2430芯片................................................................................103.3串行通信接口RS-232..................................................................123.4显示模块....................................................................................133.5报警模块....................................................................................144.系统软硬件的设计.................................................................................154.1系统硬件设计.............................................................................154.1.1Zigbee节点硬件设计.....................................................154.1.2传感器节点硬件设计......................................................164.1.3温湿度数据采集节点设计...............................................184.1.4基站节点的设计..............................................................214.2系统软件设计.............................................................................26兰州工业学院毕业设计说明书（论文）IV4.2.1Zigbee网络软件设计.....................................................264.2.2传感器终端软件设计......................................................264.3服务端的设计和实现.................................................................274.4远程主机端的设计和实现..........................................................275.系统测试...............................................................................................295.1系统测试步骤..............................................................................295.2系统测试结果..............................................................................295.2.1系统的硬件测试..............................................................295.2.2协议栈的测试.................................................................295.2.3GPRS测试......................................................................295.2.4上位机的测试.................................................................295.3系统测试结果分析......................................................................30结论.........................................................................................................31参考文献...................................................................................................32致谢.........................................................................................................33兰州工业学院毕业设计说明书（论文）V前言随着我国国民经济的发展人民生活水平日益提高,冬季大棚蔬菜市场日渐扩大。在利用蔬菜大棚生产中,温度、湿度等因素直接关系到大棚作物的生长,因此,对大棚温湿度数据进行实时、精准的采集以及监测调节是实现大棚蔬菜生产优质、高效益的重要环节。传统的环境参数系统使用有线监测设备,具有线路多、布线复杂、维护困难等缺点,在很多特定区域无法顺利使用。基于此,本文介绍了一种基于Zigbee的蔬菜大棚环境参数采集系统,该系统利用无线通信技术,无需布设任何线路,自动组网,成本低廉,采集及监测节点数量大,有效地实现了对蔬菜大棚环境参数采集的实时