） 要 、細(xì)菌、病毒和其他有害物質(zhì)日積月累地?fù)p害著人們的 體健康，特別對(duì)于那些長(zhǎng)期處于環(huán)境人。隨著活水平提高，人們對(duì)自 己日?；詈凸ぷ鳝h(huán)境質(zhì)量要求和期望也在不斷提高，氣 化技術(shù)成為了環(huán)境領(lǐng)域一個(gè)新課題。尤其是在凈化器誕以后，各 種不同類型凈化器如雨后春筍般涌現(xiàn)入市場(chǎng)，本則是在此背景下研究 并出一種新型、利用紫外線殺毒凈化器電路控制系統(tǒng)。 本研究紫外線凈化器控制系統(tǒng)，是基于AVR單片機(jī)進(jìn)行 、 開發(fā)與實(shí)現(xiàn)首先，完成系統(tǒng)功能需求分析 選擇合適的 單片機(jī)， 出課題研究?jī)艋骺刂葡到y(tǒng)結(jié)構(gòu)與工作原理框架；其次，利用 TGS800 傳感器與 LHi878 熱釋電紅外傳感 分別檢測(cè)質(zhì)量和移動(dòng)人 體紅外信號(hào)，并將采集信號(hào)輸出給單片機(jī)端口，單片機(jī)根據(jù)檢測(cè)到得各個(gè)模塊的 硬件電路從硬件模塊結(jié)構(gòu) 別源控制、電 、 紫外燈管控制、液晶顯示器控制、紅外遙控以及功能按鍵控制等模塊路原理 與實(shí)現(xiàn)，并在此基礎(chǔ)上介紹了單片機(jī)控制系統(tǒng)功能程序成了 系統(tǒng)試運(yùn)行與調(diào)試。 本研究?jī)艋魇堑湫屠米贤饩€對(duì)殺菌與消 產(chǎn) 品，其兩個(gè)傳感器數(shù)據(jù)采集模塊成是項(xiàng)目創(chuàng) 使得本凈化器具有自動(dòng)采集與自動(dòng)調(diào)整工作狀態(tài)，實(shí)現(xiàn)了產(chǎn)品的 化、節(jié)能性與環(huán)保。該凈化器電路控制系統(tǒng)研制，必將為內(nèi) 污染控制與凈化技術(shù)作出巨大。 關(guān)鍵詞：凈化器；AVR單片機(jī)；控制系統(tǒng)；紫外線；傳感器 I ?？粕厴I(yè)設(shè)計(jì)（論文） Abstract Indoorairparticles,bacteria,virusesandotherharmfulsubstanceshavedamaged topeople’shealth,especiallyforthosepeopleintheindoorenvironmentinalong time.Withtheimprovementoflivingstandards,people’sairenvironmentalquality requirementsandexpectationsoftheirdailylivesandworkownindoorhavealso increasedmisconduct.Indoorairpurificationtechnologyhasbecomeanewfieldof environmentalprotectionissuesEspeciallyafterthebirthofindoorair,somanydifferent typesofairpurifierhavesprungupintothemarke.Inthispaper,anewcircuitsystemof airpurifierwithultravioletdisinfectionhasbeendevelopdinthiscontext. Inthispaper,thecontrolsystemofultravioletair-purifierhasbeendesignedand developedbasedonAVRmicrocontroller.Firstlytherequirementsanalysisofsystem functionalhasbeencompleted.ATmegal28microcontrollerhasbeenchoosedtodesign theairpurifiercontrolsystemstructureandworkingprincipleoftheoverallframework ofthisresearchproject.Secondly,TGS800gassensorAndLHi878pyroelectricinfrared sensorhavebeenusedtodetectindoorairqualityandmobilityofhumanIR signal.Hardwarecircuitdesignofeachmoduleofthiscircuitcontrolsystemhasbeen describedpriorityinthispaper.Theoverallstructureofthehardwaremoduleshasbeen designedfirstly,andthenthecircuittheoryandimplementationofthemoduleshasbeen designedfirstly,infraredremotecontrolandfunctionkeyscontrolhavebeendesigned. Onthisbasis,themainfunctionofmicrocomutercontrolsystemprogramminghasbeen discribed,andthetrialoperationcontrolsystemanddebugginghasbeencompleted. Thistypeair-purifierwhichhasbeenresearchedinthispaper,isatypicalindoor air-purifierfortheuesofultravioletsterilizationanddisinfectionproduct.The successfuldevelopmentofthisair-purifier’scircuitcontrolsystem,willmakea significantcontributionfordoorairpollutioncontrolandairpurificationtechnology inevitable. Keywords:air-purifier;AVRmicrocontroller;controlsystem;sensor II 專科生畢業(yè)設(shè)計(jì)（論文） 錄 論 1.1 課題研究的背景.......................................................................................1 1.1.1 室內(nèi)空氣污染的現(xiàn)狀....................................................................1 1.1.2 室內(nèi)空氣凈化器的發(fā)展現(xiàn)狀........................................................1 1.2 研究?jī)?nèi)容...................................................................................................3 計(jì) 2.1AVR單片機(jī)簡(jiǎn)介.......................................................................................5 2.2ATmega128單片機(jī)....................................................................................6 2.2.1ATmega128的引腳配置.................................................................6 2.2.2ATmega128主要特性.....................................................................7 2.3 空氣凈化器控制系統(tǒng)總體設(shè)計(jì)...............................................................7 2.3.1 空氣凈化器功能概述....................................................................8 2.3.2 控制系統(tǒng)需求分析........................................................................9 2.3.3 系統(tǒng)總體結(jié)構(gòu)設(shè)計(jì)......................................................................10 2.3.4 系統(tǒng)工作原理設(shè)計(jì)......................................................................11 與實(shí)現(xiàn)..........................................................13 3.1 數(shù)據(jù)采集系統(tǒng).........................................................................................13 3.1.1 數(shù)據(jù)采集系統(tǒng)的類型..................................................................13 3.1.2 數(shù)據(jù)采集系統(tǒng)的結(jié)構(gòu)配置..........................................................13 3.2 氣體傳感器數(shù)據(jù)采集模塊設(shè)計(jì).............................................................14 3.2.1 費(fèi)加羅TGS氣體傳感器.............................................................14 3.2.2TGS800傳感器數(shù)據(jù)采集實(shí)現(xiàn).....................................................16 3.3 紅外傳感器數(shù)據(jù)采集模塊設(shè)計(jì).............................................................21 3.3.1 紅外傳感器概述..........................................................................21 3.3.2 熱釋電型紅外傳感器..................................................................22 硬件與實(shí)現(xiàn)..................................................................24 4.1 初控制系統(tǒng)硬件模塊總體結(jié)構(gòu).............................................................24 4.2 選電源控制模塊設(shè)計(jì).............................................................................25 4.2.1 電源模塊結(jié)構(gòu)..............................................................................25 4.2.2 電源電路設(shè)計(jì)..............................................................................25 III ） 4.3 計(jì) 4.3.1 機(jī) 4.3.2 計(jì) 4.3.3 計(jì) 4.4 計(jì) 4.4.1 路 4.4.2 路 4.5 計(jì) 4.5.112864 構(gòu) 4.5.212864 路 4.6 計(jì) 4.6.1 塊 4.6.2 塊 4.7 計(jì) 4.7.1 路 4.7.2 路 與實(shí)現(xiàn)..................................................................36 5.1 構(gòu) 5.1.1 構(gòu) 5.1.2 程 5.2 計(jì) 5.3 計(jì) 5.3.1 與坐標(biāo)..................................................................38 5.3.2 程