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嵌入式课程设计论文题目:室内环境检测系统设计院(系):计算机与通信学院专业年级:2011级物联网姓名:郭盛功学号:11280112指导教师:马维俊日期:中文摘要随着我国经济的发展,人民生活水平的提高,人们对环境问题及健康问题日益重视,室内空气品质(IAQ)状况受到越来越多的关注。人的一生中有三分之二的时间是在居室内度过的。本文研究的室内便携式智能空气品质监测仪是以室内空气中有毒有害气体的监测监控为背景,是以ATMEL工公司的一款8位超低功耗单片机AT89S52为控制核心,能够实现对室内温度,湿度,甲醛,苯和氨的实时采集处理、显示、报警等功能。仪器采用锂电池供电,具有良好的便携性和通用性,并且使用LCD1602点阵式液晶屏显示菜单,有良好的人机对话界面。同时设计了声光报警系统,实现在参数超标时及时的报警。室内智能空气品质监测仪体积小,功耗低,操作简单,适合应用于家庭和社区的医疗健康保健,能够实时知道室内空气的质量。关键词:AT89S52;室内空气品质;LCD显示;温湿度;甲醛ABSTRACTWiththedevelopmentofournationaleconomyandimprovementofpeople'slivingstandard,awarenessofenvironmentalissuesandhealthproblemsincreasingemphasisonindoorairquality(IAQ)conditionshavebeenpaidmoreattentionto..Two-thirdsofpeople'slifetimeisspentinthelivingroom.Inthispaper,IndoorAirQualityPortableIntelligentMonitorisonthebackgroundoftoxicandharmfulgases,basedonanATMEL8-bitworkingultra-lowpowerMCUAT89S52ascontrolcore,whichcanrealizereal-timeacquisitionandprocessing,display,alarmandotherfunctionsofindoortemperature,humidity,formaldehyde,benzeneandammonia.Equipmentpoweredbylithiumbatteries,hasagoodportabilityandversatility,andusetheLCD1602dotmatrixLCDscreentodisplaymenu,andhasagoodinteractiveinterface.Atthesametimesoundandlightalarmsystemisdesignedtoachieveatimelymannerwhentheparameterlevelexceedsthelimit.IndoorAirQualityPortableIntelligentMonitor,smallsize,lowpowerconsumption,simpleoperation,andissuitableforfamilyandcommunityhealthcareinordertoknowreal-timeacquisitionofindoorairquality.Keywords:AT89S52;IAQ;LCDdisplay;humiture;formaldehydeI目录目录..............................................................I第一章绪论.......................................................11.1课题的目的及意义................................................11.1.1室内空气品质(IAQ)的重要性.........................................11.1.2课题研究目的及意义................................................21.2国内外的研究状况................................................21.3本文的主要研究内容及总体方案设计................................31.3.1本文的主要研究内容................................................31.3.2总体方案设计......................................................3图1.1系统结构框图.................................................3第二章室内空气品质基本介绍.........................................42.1室内空气品质及认识.............................................42.1.1室内空气研究的背景.................................................42.1.2室内污染物种类及来源分析..........................................42.1.3室内空气品质的几点认识............................................52.2室内空气品质的监测方法及改善空气品质的方法......................52.2.1室内空气品质监测方法..............................................52.2.2改善空气品质方法..................................................62.3室内空气品质测试指标的选定......................................6第三章室内空气品质监测仪的硬件设计.................................83.1室内空气品质监测仪系统简介......................................83.1.1系统硬件结构及原理................................................83.1.2AT89S52单片机简介................................................93.1.3AT89S52单片机与其扩展...........................................103.2传感器的选用...................................................103.2.1气体传感器.......................................................103.2.2温湿传感器.......................................................143.3前置放大滤波电路的设计.........................................173.4模数转换电路的设计.............................................203.5声光报警电路的设计.............................................213.6液晶显示电路设计...............................................213.7复位电路设计...................................................223.8电源电路设计...................................................233.9本章小结.......................................................23第四章室内空气品质监测仪的软件设计................................244.1系统软件设计思路...............................................244.1.1编程语言的选择...................................................244.1.2软件功能需求.....................................................244.2软件模块设计...................................................264.2.1主程序模块.......................................................264.2.2AD转换模块......................................................264.2.3液晶显示模块.....................................................274.2.4声光报警模块.....................................................284.3本章小结.......................................................28第五章结论与展望..................................................295.1主要结论.......................................................295.2展望...........................................................29参考文献...........................................................30附录.............................................................31附录一原理电路图............................................31附录二程序清单..............................................32附录三外文翻译...............................................50外文资料...........................................................50致谢.............................................................64兰州理工大学嵌入式课程设计(论文)1第一章绪论1.1课题的目的及意义1.1.1室内空气品质(IAQ)的重要性随着科学技术、生产条件、生活水平的改善和提高,建筑结构的封闭化室内办公人员的增加,IndoorAirQuality(IAQ)室内空气品质的研究吸引了越来越多人的关注。美国科学家在80年代末的一项调查中发现,室内有害污染物浓度比室外高,有的甚至高达100倍。我国有关部门在1994年的一
本文标题:室内环境测量课程设计
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