大型動感霓虹燈設(shè)計(jì)論文.doc

本科畢業(yè)論文（設(shè)計(jì)）論文題目：大型動感霓虹燈設(shè)計(jì)學(xué)生姓名：所在院系：機(jī)電學(xué)院所學(xué)專業(yè)：應(yīng)用電子技術(shù)教育導(dǎo)師姓名：完成時間：摘要該動感霓虹燈設(shè)計(jì)是基于8031單片機(jī)、串口聯(lián)級新型的共陰極驅(qū)動芯片MAX7219霓虹燈掃描控制器，采用環(huán)保節(jié)能LED及LED燈組以實(shí)現(xiàn)個性化的動態(tài)顯示效果。該設(shè)計(jì)的動感霓虹燈，整體上可以分為電源模塊、顯示模塊和控制模塊三個部分。電源模塊采用變壓器、橋式整流濾波電路和7805穩(wěn)壓芯片構(gòu)成，為CPU、EPROM及MAX7219等弱電電路供電。顯示模塊采用LED及LED燈組，燈線采用獨(dú)立LED有序排列形成，燈字則采用LED燈組來實(shí)現(xiàn)，并用MAX7219來實(shí)現(xiàn)恒流驅(qū)動，整體效果動感十足，醒目形象?？刂颇K包括單片機(jī)8031、程序存儲器EPROM2732、地址鎖存器74LS373、地址鎖存器74LS138等，完成向顯示驅(qū)動模塊輸送掃描花樣信號的任務(wù)。設(shè)計(jì)采用新型掃描控制器及MAX7219驅(qū)動，具有較高的通用性及很大的實(shí)用價值，顯示則采用LED實(shí)現(xiàn)動感效果，節(jié)能環(huán)保，經(jīng)濟(jì)實(shí)用。整體設(shè)計(jì)成本低廉，實(shí)用性強(qiáng)，節(jié)能環(huán)保，有較高的通用性。關(guān)鍵詞：LED，動感霓虹燈，單片機(jī)，掃描控制，軟件設(shè)計(jì)TheDesignofLarge-scaleDynamicNeonAbstractThisdesignofdynamicNeonlightisbasedon8031SingleChipMicyoco,theserialportassociationlevelnewcommoncathodedrivestomovethechip-MAX7219neonlightscanningcontroller,usesLEDandtheLEDlampbankrealizesthepersonalizeddynamicdemonstrationeffect.Thisarticleintroducedthedesignofdynamicneonlight,divideintothepowersourcemodule,thedemonstrationmoduleandthecontrolmoduleroughly.Thepowersourcemoduleusesthetransformer,thebridgetyperectificationfiltercircuitand7805constantvoltagechipconstitution,isCPU,EPROMandMAX7219andsoontheweakelectricityelectriccircuitpowersupply.ThedemonstrationmoduleusesLEDandtheLEDlampbank,thelampwireusestheindependentLEDorderarrangementformation,thelampcharacterusestheLEDlampbanktorealize,andrealizestheconstantflowactuationwithMAX7219,theoveralleffectprojectisfull,strikingimage.Thecontrolmoduleincludingthemonolithicintegratedcircuit8031,programmemoryEPROM2732,addresslatch74LS373,addresslatch74LS138andsoon,completestothedemonstrationactuationmoduletransportationscanningpatternsignalduty.ThedesignusesthenewscanningcontrollerandtheMAX7219actuation,hasthehighversatilityandtheverygreatpracticalvalue,demonstratedusestheLEDtorealizedynamiceffect,theeconomyispractical.Theoveralldesigncostisinexpensive,usable,theenergyconservationenvironmentalprotection,hasthehighversatility.Keywords：LED,DynamicNeon,SingleChipMicyoco,ScanContronl,SoftwareDesign目錄1緒論.12系統(tǒng)方案設(shè)計(jì).12.1系統(tǒng)方框圖.22.2動感效果圖.23系統(tǒng)原理概述及仿真.33.1電源模塊.33.2顯示模塊.43.2.1發(fā)光二極管的工作特性.53.2.2發(fā)光二極管的工作原理.53.2.3發(fā)光二極管的驅(qū)動電路.73.2.4PWM(脈寬調(diào)制)調(diào)光技術(shù).83.3控制模塊.93.3.1單片機(jī)8031最小化系統(tǒng).93.3.2程序存儲器EPROM2732.113.3