外文翻译基于单片机的红外防盗报警系统设计.docx

外文翻译基于单片机的红外防盗报警系统设计.docx

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外文翻译基于单片机的红外防盗报警系统设计

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计的家庭式电