课程设计报告设计题目:酒精溶度测试仪智能酒精浓度检测仪的设计摘要:随着科技的进步,智能产品在社会生产和人们生活等方面扮演着越来越重要的角色。本文介绍的是一款智能酒精浓度检测仪的设计方案,以STC89C52单片机和酒精传感器为核心,具有声光报警和LCD显示功能。为了满足不同环境下的监测,可根据不同的环境设置不同的阀值,超过阀值即进行声光报警,提示危害。该设计方案的优点是硬件电路设计简单,软件功能采用C语言进行调试,方便灵活。而该仪器具有灵敏度高、工作性能好、低功耗、低成本,较高的性价比等优点。可用于交通检测、酒厂和食品工厂发酵监控等场所。关键词:智能;酒精浓度;检测仪;STC89C52单片机;阀值;C语言;交通检测DesignforIntelligentAlcoholConcentrationDetectorAbstract:Withtheprogressofscience,intelligentproductsgraduallyplayanimportantroleinmanyaspects,suchassocialproduce,people’sdailylife.Thispaperintroducesanintelligentalcoholconcentrationdetector,whichisbasedonSTC89C52single-chipmicrocomputerandalcoholsensor(transducer).Ithasseveralfunctions,includingdetectingalcoholconcentrationindifferentenvironment,givinganalarmwithvoiceandglowing,andLCDdisplay,exceptforthis,wecanalsosetthevalvenumberofalcoholconcentrationtomeetdifferentenvironment’sdetecting,namely,whenthedetectingnumoverthevalue,thedetectorcansuggestdanger.Theexcellencesofthisdesignprecept:easyhardwarecircuit,softwarefunctionadopttoClanguagetotest,whichisconvenientandflexible.what’smore,thedetectorwithhighdelicacy,lowenergyconsumptionandspending.Itcanbeusedintrafficdetect,winefactory,foodfactoryandsoon.Keywords:intelligent;alcoholconcentration;detector;STC89C52single-chipmicrocomputer;value;Clanguage;trafficdetectI目录第1章绪论........................................................................................................................11.1选题的依据和课题的意义..................................................................................11.2国内外研究概况...............................................................................................................11.3课题研究方法....................................................................................................................21.4设计构成及研究内容......................................................................................................2第2章系统的工作原理与结构...........................................................................................32.1工作原理.............................................................................................................................32.2结构框图.............................................................................................................................42.3智能酒精浓度检测仪的整体结构特点.......................................................................4第3章检测仪的硬件设计....................................................................................................43.1单片机的选择....................................................................................................................43.2酒精浓度检测的设计......................................................................................................63.2.1MQ-3气敏传感器的结构和外形..........................................................................73.2.2MQ-3灵敏度特性曲线............................................................................................83.2.3MQ-3的标准工作条件...