3D電梯光幕保護(hù)系統(tǒng).pdf

1、廣東工業(yè)大學(xué)碩士學(xué)位論文3D電梯光幕保護(hù)系統(tǒng)姓名：李東申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：精密儀器及機(jī)械指導(dǎo)教師：唐露新20120603廣東工業(yè)大學(xué)碩士學(xué)位論文AbstractWiththeincreaseofhigh—risebuildingsandincreasinglyhighdemandforcomfort，elevatorusedmorewidely，elevatorsafetyproblemincreasingly，peopleonth

2、eelevatordoorprotectiondevicesecurityandreliabilityputforwardhigherrequirementThethedevelopmentofelevatordoorprotectiondeviceexperiencedamechanicaltouchpanels，Photoelectriceye，twodimensionalinfraredlightcurtainsThereares

3、omeinfrareddetectionofblindareaalsodidnotpredict，SOpeoplewillcontinuetoexploremoreperfectprotectiondeviceresearchThispaperpresentsahighreliabilityofthe3DelevatorlightCurtainsprotectionsystem，whichconsistsof2Dand3Dofinfra

4、redtestingmodulesandbecome，amongthem2Dlightcurtainsisfasthardwarecircuittestingcompartmentsgatebetweenthearea，3Ddetectionmoduleisaccordingtopyroelectricinfraredsensor(PIR)formobileinfraredradiationofthehumanbodyfortestin

5、g，SOastoachievetheelevatordoorareawithoutblindarea3DdetectionandtrenddetectionThispaperfirstanalyzesthestatusanddirectionofthedomesticandforeignelevatorlightcurtainsystemdevelopmentanddesignwithreliabilitytheorytoimprove

6、thereliabilityandlifeexperimentThetwodimensionallightcurtainisaconnectedsimplecommunicationandrapidshifttoreceiveinfraredsignalofthelightcurtainprotectionsystemThesystemusetwochipsonbothsideoftransmitingandreceiveingpart

7、ittakenonconnectedcommunicationasstandbymethodThosetwomethodbothCallcompletethesynchronusworkTheemitterlightenedinanorderwhilethereceverpartabsorbsignalsdisposablynamedasamodeof‘‘onetomany’’WasadoptedThesingalswillbestro

8、agedparallellyandoutputinaserial，whichCanimprovesthestoragespeedhighlyFunctionoferrorredundancyalsobeingusedinthesystem，SOitcanrecovertothenormalconditionwhenanytwononadjacenttubeswereblockedorbrokenThesystemwithadaptive

9、controlfunction，infraredLEDluminousintensityCanbecontrolledaccordingtothedifferentdetectiondistance，itCanimprovethecapacityandlifetimeofthesystem’SinterferenceIthasasleepfunctionwhendetectedwithouttheuseoftheelevatorthes