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AutomaticfirealarmsystemThetraditionalelectronsafealarmsystemmainlyisthroughthesensorautomaticdetection,producesthealarm,sendsoutthealarmfromthesceneorreportstothepolicethroughthespecialelectriccableneardistance,thuscausespeople'svigilance.Throughmanyyearsresearchandthedevelopment,thepresentalarmapparatusmaysayistheclassismultitudinous.Asaresultofthealarmapparatusrapiddevelopmentandthesocialeachdomainanxiousneed,cantheapplicationdomainbemoreandmoremany,speciallyisrapidlydevelopsinthecivildomain.Inrecentyears,theinfraredalarmapparatusalreadybecamereportstothepoliceadomainhotspot,becauseitusedwasnottheobviouslyinfraredacquisition,thereforehadthehidingtobegood,characteristicandsoonsecurity.Theinfraredsensorisdifferentaccordingtothemechanismmaydivideintothelightsurveyandthehotsurvey.Thelightacquisitionsensorisusesthephotoneffecttheinfraredacquisitionaid.Thiskindofsensorspeedofresponsequick,thesensitivityhigh,theexaminationcharacteristicisgood,butneedstocool,usesnotconveniently.Moreoverthecomponentexaminationsensitivityandtheinfraredwavelengthconcern.Thehotacquisitionsensorisuseshotlyreleasestheelectricityeffecttheinfraredacquisitionaid.Afterreceivesthegoaltheinfraredradiationtemperatureincrement,thetemperatureelevatescausesthesensorinteriorcertainphysicalquantitieschanges,throughexaminationphysicalquantitychangedefiniteinfraredemission.Thiskindofsensorworksundertheroomtemperaturecondition,examinationsensitivityalsoveryhigh,speedofresponsealsoveryquick,moreoverhasnothingtodowithwiththeinfraredemissionwavelength,maysurveythepoweronlytoreceivethebackgroundradiationthelimit,theapplicationisveryconvenient.Thisarticledesignsisthepassiveformhotlyreleasestheelectricityinfraredacquisitionaid.Inthearticlemainlyelaboratedhashotlyreleasedtheelectricitytheprinciple,hotlyreleasescontentandsoonmanyalarmcircuitwhichtheelectricdetectorthecharacteristic,theBISS0001signalprocessor,555timerscomposed.Finallydesignedcompleteshashotlyreleasedtheelectricityinfrareddetectionalarmapparatusthehardwareelectriccircuit.Withthemodernfamilyuseoffire,electricityconsumptionincreases,thefrequencyofhomefiresisgettinghigherandhigher.Thefamilyoffire,itiseasytofightdoesnotoccurpromptly,thelackoffire-fightingequipmentandthepresenceofpanic-strickenpeople,toescapeunfavorablefactors,suchasretardation,whicheventuallyledtoasignificantlossoflifeandproperty.Explorethecharacteristicsofthefamilyoffireandfirepreventionmeasures.Forthepreventionofdomesticfires,reducingthefirelosseshavepracticalsignificance.Inthemodernurbanfamily,becauseoflotofpeopledonotunderstandcommonsensehomesecuritycausedbyfire,sothatthehappyfamilyGoogleruinedblinkofaneye,andsomeleadtodestruction,buttheeventofhouseholdfires,improperdisposal,alarmdelayiscausedsothatpeopleshouldgettoknowmoreaboutthemaincausesofhouseholdfires,mastertopreventthefireofknowledgeandincaseoffiretoprotecthisorherownway,timelyeliminationofTheUnitedKingdomeachyearmorethan50000familiesofseriousfires,mostofthemfirecasualtiesandsignificantlossofhouseholdassets,andsomeresultintheneighbors,moreheavyfirelosses.Investigatethecausesoffireintime,thevastmajorityofhomefireshappenpartiessaidthatthefirealwaysfeelthatthingsareotherpeoplewiththeirownfaraway,didnotthinkthiswillhappeneveninthetopofhishead.Homefiresarethemainreasonfornegligentnottotaketimelypreventivemeasures.Insomeofourlargeandmedium-sizedcities,almosteverydayfamilyfires,firepreventionissoeachfamilymustalwayspayattentionto.Ifyourhomebasedontheactualsituationinadvancetotakesimplefirepreventionmeasures,anumberoftragediesareentirelyavoidable.Automaticfirealarmsystemisinordertoinformtheearlydetectionoffire,andtakeeffectivemeasurestocontrolandfightfires,andsetinabuildingorotherplaceofanautomaticfirefacilities,isthatpeoplewithapowerfultooltofightthefire.Firealarmsystem,firedetectorsgenerally,regionalcentralizedalarmalarmandcomposition;alsoberequiredundertheprojectwithvariousfire-fightingfacilitiesandcommunicationdeviceslinkedtoformacentralcontrolsystem.Fromautomaticalarm,automaticfirefighting,evacuationguidance,systemprocessshowsthat,fireupacompletefilemanagement,firecontrolsystem.Firedetectorsarefiredetectiondevices,asinthestageoffirewillproducesmokewithhightemperatureflamecells.Thesmoke,heatandlightintoelectricalsignalsthroughthedetectoralarmorautomaticfireextinguishingsystemtostartfightingthefireintime.Areawherethefloorofalarmdetectorcansendthesignalintosoundandlightalarm,andfireonthescreenshowingtheroomnumber;whilealsomonitoringtheconcentrationofcertainfloorsofalarm(ifthemonitorislocatedinthebuildingfireControlCenter)outputsignalorcontrolautomaticfireextinguishingsystem.Concentrationofalarmsignalisreceivedbywayofsoundandlightshow,andthescreenalsoshowsthespecificfirefloorandroomnumber,theplanestoppedtakingthefirstalarmclocktorecordthetiming,useofthemachine-specificphones,butalsoquicklytothefirealarmtogivedirectionsand.Inaddition,youcancontrolthefireextinguishingsystemorsignaltransmissiontothefirecontrolroom.Automaticfirealarmsystemisbythetriggerdevices,firealarm,firealarm