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:姓名:学号:指导教师:日期: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;formaldehyde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..................................