大连海事大学毕业论文二○一四年六月┊┊┊┊┊┊┊装┊┊┊┊┊┊┊订┊┊┊┊┊┊┊线┊┊┊┊┊┊┊基于ZigBee技术的温度采集系统设计专业班级:通信工程2班姓名:罗景元指导教师:谭克俊信息科学技术学院摘要近年来随着无线通信、计算机传感技术的飞速发展和融合,无线传感网技术(WSN)应运而生,而Zigbee以其低成本、低数据速率、超低功耗的特点满足了当前无线传感网络技术的应用与普及。本论文研究课题是基于Zigbee的无线温度采集系统,该系统可以应用到智能家居领域从而节省人力和能源,具有非常广阔的应用前景和研究价值。文章首先介绍了Zigbee技术与网络拓扑结构,通过介绍无线温度采集系统的基本原理,制定系统总体设计方案。进而完成了对控制模块、终端节点相关软硬件的设计。系统采用星型网络拓扑结构,建立了一个主节点与多个从节点搭建的自组网,来实现无线数据传输。通过数字温度传感器SHT11采集温度数据,在Zigbee终端节点根据设定好的路由协议多跳上传至协调器节点,协调器节点将收集到的温度数据处理由串口线路传给上位PC机,在PC机上的串口终端上实时显示监测收集到的数据。最后对传感器模块硬件电路、无线收发模块硬件电路以及整个系统进行了测试,结果显示系统运行平稳,验证了本系统设计方案的可行性。关键词:无线通信;无线传感网;ZigBee;温度采集ABSTRACTInrecentyears,withtherapiddevelopmentofwirelesscommunications,computersensingtechnologyandthefusion,wirelesssensornetworktechnology(WSN)arisesatthehistoricmoment.knownforitslowcost,thecharacteristicsofthelowdatarate,lowpowerconsumptionZigbeesatisfythecurrentapplicationsofwirelesssensornetworktechnologyandpopularization.ThisthesisresearchtopicisbasedontheZigbeewirelesstemperatureacquisitionsystem,Thesystemcanbeappliedtothefieldofintelligenthouseholdsavingmanpowerandenergy.ithasverybroadapplicationprospectsandresearchvalue.ThispaperintroducestheZigbeetechnologyandthenetworktopology,Throughtheintroductionofthebasicprincipleofwirelesstemperatureacquisitionsystem,thesystemoveralldesignscheme,Thencompletedthecontrolmodule,terminalnoderelatedhardwareandsoftwaredesign.SystemUSESthestarnetworktopologystructure,setupamasternodeandmultipleslavenodessetupad-hocnetwork,torealizewirelessdatatransmission.ThroughdigitaltemperaturesensorSHT11temperaturedatacollectedinZigbeeterminalnodesaccordingtosetgoodroutingprotocoljumpuploadedtothecoordinatornode,ThecoordinatornodewillbecollectedbythetemperaturedataprocessingbyaseriallinetotheupperPC,anddisplayedinrealtimeonPCserialportterminalmonitoringdatacollected.Attheendofthesensormodule,wirelesstransceivermodulehardwarecircuitandthewholesystemistested,theresultsshowthatthesystemrunsstably,verifythefeasibilityofthesystemdesign.KEYWORDS:wirelesscommunication;Wirelesssensornetwork;ZigBee;temperatureacquisition目录第1章绪论......................................................................................................................11.1课题背景与意义.................................................................................................11.2无线温度采集的现状与未来展望.....................................................................11.3论文的主要研究内容.........................................................................................2第2章Zigbee技术..........................................................................................................42.1Zigbee技术简介.................................................................................................42.1.1Zigbee是什么............................................................