毕业论文-基于AT89C51单片机的智能温控风扇设计

智能温控风扇PAGE0届毕业设计（论文）系部电子工程系班级11通信技术姓名学号题目基于AT89C51单片机的智能温控风扇设计指导教师论文提交日期PAGE35目录摘要 1第一章绪论 17936213\h21.1课题研究及应用前景 21.2本设计任务主要要求 2第二章方案选择 3HYPERLINKNasunsays.ThevastnessofInnerMongoliaandthelackofentertainmentoptionsforpeoplelivingthere,madetheirliveslonely."Thenomadicpeoplewereveryexcitedaboutourvisits,"Nasunrecalls."Wedidn'thaveaformalstage.Theaudiencejustsatonthegrass.Usually,theperformancesbecameabigpartywithlocalpeoplejoiningin."Forhim,therewardingpartabouttouringisn'tjustaboutsharingartwithnomadicfamiliesbutalsoaboutgaininginspirationforthemusicanddance.UlanMuqirliterallytranslatesas"redburgeon",andtoday'sperformersofthetroupestilltourtheregion'svillagesandentertainnomadicfamilies,buttheirfamehasspreadaroundtheworld.OnMay16and17,nearly100singersanddancersfromthetroupeperformedatBeijing'sPolyTheater.Theirshow,titledUlanMuqirontheGrassland,depictedthehistoryanddevelopmentofthearttroupe."BeingfromtheregionallowedmetoembracethecultureofInnerMongoliaandbeingamemberofthetroupeshowedmewhereIbelonged,"Nasun,thearttroupe'spresident,whoisalsoarenownedtenor,tellsChinaDaily.Duringatourin1985,hewenttoavillageandmetanelderlylocalman,whotoldhimastoryabouthisfriendshipwithasoliderfromShenyang,capitalofNortheastChina'sLiaoningprovince,decadesago.Thesolidergavetheoldmanahandmadesaddlewhentheybidfarewell.ThestoryinspiredNasuntowriteCarvedSaddle,asongthatlaterbecameoneofhismostpopularnumbers.Now,everyyear,Nasunrecruitsyoungsingersanddancersforthetroupe.Thetroupehasalsodesignedanewrepertoire,whichismostlybasedonthedailylivesofMongolianpeople,especiallythelivesofnomadicfamilies,andhascombinedcontemporarymusicalelementswithfolksongsoftheregion.Haimu,a25-year-oldkhoomei(alocalvariantofovertonesinging)singer,joinedthetroupethreeyearsago.Alongwithasix-memberband,heperformsfastsongsandsoftonesthathewrites－allwhileplayingthehorse-headfiddle."AlthoughIlearnedthepianosincechildhoodandgrewuplisteningtovariouskindsofmusic,tome,thefolkmusicofInnerMongoliaistheroot,"hesays."Performinginremotevillagesispleasant.Ifeelathomeontheboundlessgrasslands,andthewarmpeopletheremakemefeelfulfilled."ThefirstroundofspringauctionseasoninBeijingendedlastweek,butitfailedtocreatemuchspringintheartmarket.AlthoughtwopiecesofChinesepaintingfetchedmorethan100millionyuan,thedeclineintradingvolumeandsalerateshowedadownturnthisyear.Inthe“GrandView:ChinesePaintingHighlight”sessionatChinaGuardian2015springauctions,PanTianshou’srepresentativeworkEagle,RockandFlorahitarecordauctionpriceof279millionyuan,whileLiKeran’smasterworkJinggangMountainfetched126.5millionyuan,anunexpectedhighinrecentyears.However,thetradingvolumefellsto1.87billionyuanfrom2.22billionyuaninthesameperiodtheyearbefore.TheHuangchen2015SpringAuctions,whichrecorded42.5millionyuanintotalsales,experiencedthesame.Thesectionnumberwentdownto5from12comparedtolastyear.AccordingtoexpertShaoJianwu,theartmarketdidnotattractmuchexcitementthisyearduetotheboomingstockmarketandthepersistentproblemsofforgeryandfakedeals.ThetwopiecesofChinesepaintingnotcheduphighpricethisspringduetotheirownvaluenotduetoarevivalinthemarket."Thesuccessfultransactionoftwoworkswithahammerpriceofmorethan100millionyuanonceagainconfirmsthatvaluableandrareworksofhighqualityalwaysearnthelong-lastinghighprice.Chinesepaintingandcalligraphyisstillthepillarofthemarket.However,theoverallsalesratehasdroppedslightly,whichreflectsthedemandfortheordinaryauctiongoodshasweakened,”saidthepresidentofChinaGuardian’sHuYanyan."Besides,theentryofnewbuyersalsomakescertainchangestothedirectionofpurchasing.Inaword,theoverallmarkettrendisveryunpredictable.AlthoughChinaGuardian2015SpringAuctionshasachievedremarkableresults,itdoesnotmeanthatthemarkethaswalkedoutofthepredicament.Westillhavetowaitforthebigeconomicboomtoinvigoratetheartmarket.”Evenso,thehotpursuitofsomespecialitemsappearedthisspring.AspecialsessionofChinaGuardianSpringAuctionstitled“FineGilt—BronzeBuddhistImages”achievedagreatdealwithtotalsalesvolumeof41.89millionyuanand92percentsalerate.The5thShamarRinpocheStatuefrom16-17thcenturyofTibetwassoldfor5.06millionyuan.The