汽車用LED前照燈的光學(xué)設(shè)計.pdf

1、南開大學(xué)碩士學(xué)位論文汽車用LED前照燈的光學(xué)設(shè)計姓名：牛超申請學(xué)位級別：碩士專業(yè)：光學(xué)工程指導(dǎo)教師：常勝江201205AbstractAbstractWiththerapiddevelopmentofautomobiletechnologypeople’SrequirementsofheadlampsarebecomingmoreandmorestrictlyModemautomobilelampshavebeentheindispen

2、sablepartswhichCanhelpautomobiletohavebeautifulsculpture，runsafetyhighamenityhighreliabilityandintelligentAsthemostimportantpartofautomobilelamps，thedesignofheadlampwillnotonlyaffectthepowerconsumption，andtheautomobilesc

3、ulpture，butalsoaffectrunsafetyandnightilluminationeffectThetraditionalheadlampsincludeincandescent，halogenandllighintensitydischargelamps，whoselivesareonlyafewhundredhoursandpowerconsumptionishighSolookingfornewdurableli

4、ghtsourceisanactivemeasuretoimprovetheperformanceofheadlampsandreducenightaccidentsComparedwiththetraditionalheadlamplightsources，LEDhasmanyadvantages，suchaSalonglife，lowpowerconsumption，smallsize，fastresponse，flexiblede

5、signandflexiblecontr01Inaddition，theshallowdepthoftheinstallationofLEDlightsleavesmorefreespaceinsidethevehicleLEDlightsourceshavebeenwidelyusedininteriorlightdevicesandexteriorsignaldevices，andasmallamountofthemhavebeen

6、usedinsomehighendcars，SOitisaninevitabletrendthattheLEDlightswillbewidelyusedforheadlampsTheauthormainlystudiestheapplicationofhighpowerwhiteLEDonautomobileheadlamps，includingthephotometricdesignandheatdissipatingdesignT

7、hemainresearchofthedissertationisshownasfollows：1TheimportanceofthisprojectispresentedthroughtheanalysisoftheenergysituationandthedevelopmentofautomobileindustryinrecentyearsThecontentsofthisdissertationareproposedthroug

8、htheanalysisofthestatusofLEDheadlampsathomeandabroad2Throughanalyzingthecommonlyusedreflectordesigntechniques，thedesignofbeamunitsisproposedinthisdissertationThisschemeistotallydependentonthemirrorforlightdistribution，an