基于红外报警技术的防盗系统毕业论文外文文献翻译及原文.docx
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基于红外报警技术的防盗系统毕业论文外文文献翻译及原文.docx
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基于红外报警技术的防盗系统毕业论文外文文献翻译及原文
外文原文
Basedoninfraredalarmtechnologysecuritysystems
1theintroduction
1.1theresearchsignificanceofthistopicresearchsituationathomeandabroad.
Withthedevelopmentofsocietyandscienceandtechnologyunceasingdevelopment,people'slivingstandardsbeenimprovedgreatly,andtotheprivatepropertyprotectionmeansintheunceasingenhancement,theintelligentfacilitiesforanti-theftputsforwardnewrequirements.Thisdesignistomeettheneedofmodernresidentialanti-theftdesignedfamilyelectronicalarmsystem.Itinpreviousdevicesbasedonimprovedgreatly,becauseusethesingle-chipprocessorsignal,notonlycanusedforsingleresidentialarea,alsocanbeusedinalarge-scaleresidentialsecuritysystems.It'sthejoboftheperformanceisgood,donotappeartoreportandmisstatementphenomenon,safeandreliable.
Inourcountry,thepresentmarketconditionalarmbasicallyhastriggeredalarmsystempressureswitchelectronandalarmsystemandpressureshadingtriggeredalarmsystem,etc.Variouskindsofalarm,butthisseveralcommonalarmtherearesomeshortcomings.ThissystemUSESahumanpyroelectricinfraredsensorinthehumanbodydetectorintheflied,passivepyroelectricinfrareddetectorsbecauseofitslowcost,easyfabrication,lowcost,installationismoreconvenient,anti-theftperformanceisstableandhighsensitivity,safeandreliable,hasattractedbroadfamilycharacteristicssuchaspopularwiththecustomers.Andalarmsinstallationconcealment,noteasilybyroguefound.
1.2infraredalarmtechnologyintroduction
1.2.1natureobjectsoftheinfraredradiation
Thenatureofanyobject,aslongasthetemperatureaboveabsolutezero(273℃),constantlyoutwardissuedinfraredradiation,andtravelatthespeedoflightenergy.Objectradiateoutwardinfraredradiationofenergyandtheobjectoftemperatureandinfraredradiantwavelength.Assumingobjectslaunchinginfraredradiationofpeakwavelengthforafew,itstemperatureforT,theradiationenergyequalsinfraredradiationofpeakwavelengthgerbenandobjectproducttemperatureT.Thisproductisaconstant,namely:
Thehigherthetemperatureoftheobjects,emitinfraredradiationofthesmallerpeakwavelength,sendoutinfraredradiationenergyisbiggeralso.
1.2.2.pyroelectriceffect
Passiveinfrareddetectoralsocalledpyroelectricinfrareddetector,itsmainworkingprincipleispyroelectriceffect.Pyroelectriceffectmeansifmakesomestrongdielectricmaterial(suchasqinbatio3,qinwrongacidleadP(zT),etc.)ofthesurfacetemperaturechanges,thenwiththetemperatureriseorfall,materialsurfaceoccurspolarization,namelyonthesurfaceofthechargewillbeproducedchange,andmaterialsurfacechargelostbalanceandeventuallychargewillchangewithvoltageorcurrentformoutput.
1.2.3pyroelectricinfraredsensorbasicstructure
Pyroelectricinfraredsensorsfromsensordetectionyuan,interferencefiltersandmosfetverifierthreeparts.Accordingtothenumberofdetectingyuantopoints,pyroelectricinfraredsensorshaveunit,doubleyuanhefouryuantowaitforafewkinds,forhumandetectionofinfraredsensoradoptsdoubleyuanorfouryuantypestructure.Accordingtopyroelectricinfraredsensorutilitycent,havethefollowingkinds:
usedformeasuringtemperaturesensor,it'sthejobofthewavelengthof(1-20)nano,Usedforflamedetectionsensor,it'sthejobofthewavelengthfor
0.435+/-0.15nano,Forhumandetectionsensor,it'sthejobofthewavelengthof7to15feet.Figure1.2isadoubledetectionyuanpyroelectricinfraredsensorstructureschematicdrawing.Thesensorwilltwooppositepolarity,special
1.2.4pyroelectricinfrareddetectorbasicprinciple
Pyroelectricinfraredsensorbyreceivingmobilehumanradiationthatcertainwavelengthsofinfraredradiation,canbetransformedintoandhumanbodymovementspeedanddistance,thedirectionoflow-frequencysignalsabout.Whenpyroelectricinfraredsensorbyirradiationsourcesofradiation,itsinternalsensitivematerialstemperatureswillrise,polarizationintensityisabate,surfacechargereduce,usuallywillreleasethispartofthechargecalledpyroelectriccharge.Becauseofpyroelectricchargehowmanycanreflectmaterialchangesoftemperature,sobypyroelectricchargebycircuittransformedintotheoutputvoltagecanalsoreflectmaterialchangesintemperature,thusdetectirradiationenergychanges.
2hardwaresystemdesign
2.1infraredanti-theftalarmsystemhardwaredesign
Becausethisdesignfocusesonfamilyguardagainsttheft,real-timemonitoringofanarrowerrange,sothisdesignbysimplyusingapassiveinfrareddetectorisenough.Therefore,infraredintelligentanti-theftalarmsystem,andthespecificdesignrequirementsfor:
(1)completestohighsensitiveinfraredsensordesign,makeitscanwarningofwhathappenedreal-timeandaccuratedetection.
(2)automaticalarm(automaticdial-upalarmaudibleandvisualalarm).Wedesignthesystemmusthavethefollowingfunctionmodule:
1.passiveinfrareddetector,
2.sound-lightalarm,
3.telephoneautomaticdial-upfunction;
4.continueduninterruptedpowersupply,
Accordingtothesystemtocompletefunctions,weadoptsinglechipmicrocomputerasthecoreofthesystemunit,electronicdetection,intelligentcontrolandtelephonetong
2.2telephoneautomaticdial-upalarmcircuitdesign
Inordertosimplifythewholesystemdesignprocess,wedonotadoptMT880chipdialing.Realizationprocessisasfollows:
Firstintelephonestorageinsideputondomestichostcellphonenumber
oralarmcall110.FromMCUpinsp2.0andp2.1drawntwowiringconnectrelays,apicktelephonekeyboardMianDiJian,anotherconnecttelephonekeyboardkeys,automaticweighingdialbecausethephonekeypadscanningissimilarmicrocontrollerkeypadscanning,socanmakeSCMgivefitstp2.0asignal,letstelephoneh-f,thengivethep2.1asignal,letrelayconnected,automaticweighingdialthekeyapotential,lettelephoneautomaticdial-up,sotheycouldfinishthesystemalarmfunction.
2.3systemworkingprinciple
Thewholesystemhardwarepartmainlyincludessixparts:
MCUmodule;Infrareddetector,Acousto-opticalarmcircuit;Telephoneautomaticdial-upalarmcircuit;Powersupplycircuit,Workingstateinstructionscircuit.Itssystemworkingprinciplefor:
thesensorswillbedetectedsignalstoleadsignalprocessorprocessing,microcontrollerjudgmenttoP1.0mouthhavepulsefallingedgejumpingsignalimmediatelytransferredtotheacousto-opticalarmprogram,atthismoment,theredlightbuzzeralarmrapidflashes,lasted30s.Inthe30sinsideifsomeonepresstheswitch,theneliminatealarmremovealarm.ifthistimenooneremovealarm,theproofnobodyathomein30ssystemwillautomaticallytriggerstelephonefinishthewholesystemofpoliceworkproject.Later,microcontrollerwillcontinuetocycleback?
sentenced
2.4systemtotaldiagram
Inproteussimulationsystem,thesystemcircuitbycrystalscircuit,sound-lightalarmcircuitcomposed.Amongthem,weuseconnectthededicationoftheP1.0simulatedinfraredsensors,requirementwhenswitchwhenpressedbythehighjump,levelislow,theequivalentof,sensordetectsthestateofman,thetelephonelinewithP2.0andP2.1derivation,herewithoutsimulationtelephonecircuitdiagram.
Figure3.5
3softwaresystemdesign
3.1controlmoduledesignprogram
Microcomputerintheinitialpluselectric,voltageisnotsteadystate,causinginstability,atthistimetheSCMincommonlyafterpoweruptosystemwithapieceofdelay.Time-lapseafterdetectingP1mouthmicrocontrollerstate,detectionlevelsignalwhethermutations,ifisthencallsthepoliceprocessingprocedure,includingautomaticdialupaudibleandvisualalarmprocedures,ifnochanges,ChuXiangleveldetectioncontinuestoP1mouthstate.
Figure4.1mainprogramflowchart
3.2systemdevelopmentadoptedbytheprogrammingandcommissioningoftheplatform
Thissystemlanguageusingassemblylanguagepreparation,sochoosewave6000,hehasthemicrocontrollerprogramedit,compileanddebugging,etc.,andgeneratehexadecimal.Files,through:
machineTOPWINburningsoftwarewriteablemicrocontrollerprogrammemory.ThesimulationsoftwareuseProteus,heisfromBritainLabcenterelectronicscompanyEDAsoftware.Thecircuitofthesimulationisinteractive,aimingatthemicroprocessorapplication,stillcandirectlybasedonschematicdiagramofthevirtualprototypeprogramming,andimplementingsoftwaresourcecodelevelofreal-timedebugging,ifhavedisplayandoutput,stillcanseeaftertheoperationofinputandoutputeffect.
4systemdebuggingandtest
4.1softwaredebugging
Adoptmodularizationprogramdesignthought,fitstdebuggingsubroutines,thengraduallysuperpositiondebugging,throughProteussimulationsoftwaredebugging,proofprogramcanrealizeitsfunction.
4.2systemdebugging
Throughthecircuitofwelding,eachmodulefunctioncommissioning.Iputthehardwarethatoccurerrorsadjusted,inaddition,infraredthatpiece,becauseisemployingredirectedofpyroelectricswitchmodified,soinmustbetapingphotoconductiveresistancetorise,hasarrivedinthedaysandnightscanalarmfunction.Thetotalsystemcommissioning,through,errormeetstherequirement.
5closing
Thissystemusesapyroelectricinfraredsensor,itsmakesimplelowcostandinstallationaremoreconvenientandanti-theftperformanceisstableandstronganti-jammingcapability,highsensitivity,safeandreliable.
外文翻译
基于红外报警技术的防盗系统
1绪论
1.1本课题的研究现状及研究意义
随着社会的不断进步和科学技术不断发展,人们生活水平得到很大的提高,对私有财产的保护手段在不断的增强,对防盗设施的智能化提出了新的要求。
本设计就是为了满足现代住宅防盗的需要而设
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