智能型住宅安防报警系统外文文献及翻译Word文档格式.doc

智能型住宅安防报警系统外文文献及翻译Word文档格式.doc

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of 

Mechanical 

and 

Electrical 

Engineering 

Agricultural 

University 

Hebei 

Baoding, 

071001, 

China 

E-mail 

address:

zhangkun19850218@ 

Li 

Jinfang 

Baoding 

Baoling 

Transformer 

Co. 

Ltd. 

Tianwei 

Group 

071056, 

fangzili@

Abstract:

Thepaperintroducedanautomaticwarehousefirea1armsystembasedonMCU.ThesystemwasmainlymadeupofATmega16,temperaturesensors,smokesensors,andEX-1autodialedalarmmodule.Inthesystem,temperaturesignalsweretransformedtoserialdata,andsmokesignalsweretransformedtovoltagesignals.AllthedatawereprocessedbyMCU.Whenthesurveillancesystemcheckedfireinwarehouse,alarmsignalwasturnon,meanwhilethemessagesweretransmittedtomanagersthroughEX-1.Applicationofthesystemwasconvenienttodealwithfirein-time,efficientlybywarehousemanager.

Keywords:

firealarmtransducer;

smokesensorsystem;

ATmega16;

temperaturetransducer;

smokesensor

I.INTRODUCTION

AutomaticfirealarmcontrolsystemhasexperiencedaprocessfromthesimpletothecomplexandintelligencesystemincreasinglyinChina.Thecharacteristicisautomaticfiredetectionandalarmtechnologyhasagreatprogressalongwithcomputinganddetectiontechnologydevelopment.Atpresent,automaticfirealarmcontrolsystemwasusedinbulkstorageplant,shoppingmalls,high-levelofficebuildings,hotelsandotherplaces.Theywereusedinanumberofcollectionsfocusedononeareaofintelligentalarmcontrolmethodwithhigherlevelsofbus-typealarmcontrolsystem,andinsomeresidentialareasandcommercialbuildingswereinstalledbyasingleautomaticfirealarmdetectiondevice.Thesealarmdetectiondevicesfailtoreportsometimes,ormisinformation.Itsreliabilityisnothighbecauseofusingsinglesensor.Therefore,itisneededtodevelopasimplestructure,lowcost,highreliability,fastresponding,automaticfiredetectionsystem.

II.GENERALPROJECTOFTHESYSTEM

ThehardwareblockdiagramshowninFigure1,hardwarebytemperaturesensors,smokesensors,signalprocessingmodule,MCUmodulesandautomaticalarmmodule.Nonelectricalquantitythatisthroughthesensingelementsensors（smokesensorsandtemperaturesensors）willbeon-sitetemperature,smokeandothernon-electricalsignalintoanelectricalsignal,aswellassignalsforsignalprocessingtoconvertanalogquantitytodigitalquantity.Finally,thesampleddatawereprocessedandcomparedwiththelimitsbyMCUsystem.Thissystemcanproducelocalandremoteauto-alarmsignals.

Figure1.Automaticfirealarmsystemstructure

Ⅲ.THEHARDWARECOMPONENTS

A.ATmega16

ThesystemusedbytheU.S.Atmel’smicrocontrollerATmega16microcontroller.ATmega16isbasedontheAVRRISCarchitecturetoenhancelow-power8-bitCMOSmicrocontroller.Becauseofitsadvancedinstructionsetandasingleclockcycleinstructionexecutiontime,ATmega16datathroughputofupto1MIPS/MHz.Therebymitigatethesysteminthepowerandthecontradictionbetweentheprocessingrate.ATmega16hasthefollowingcharacteristics:

16Kbytesin-systemprogrammableFlash（withtheabilitytoreadandwriteatthesametime,thatis,RWW）,512bytesEEPROM,1KbytesSRAM,32general-purposeI/Oportlines,32general-purposeworkingregisters,fortheJTAGboundaryscaninterface,supporttheon-chipdebuggingandprogramming,3hasamoreflexiblemodeoftimer/counter（T/C）,chipinternal/externalinterrupts,programmableserialUSART,thereareinitialconditionsdetectoruniversalserialinterface,8-channel10-bitwithoptionaldifferentialinputstageprogrammablegain（TQFPpackage）oftheADC,withon-chiposcillatorofprogrammablewatchdogtimer,anSPIserialport,aswellassixcanbeselectedbysoftwarepower-savingmode.

ThechipisbasedonAtmelhigh-densitynonvolatilememorytechnologyproductionon-chipISPFlashallowstheprogrammemorythroughtheISPserialinterfaceorageneral-purposeprogrammerforprogramming;

youcanalsorunontheAVRcoreamongthebootstraptoprogram.BootprogramcanuseanyinterfacetodownloadtheapplicationtotheFlashmemoryarea（ApplicationFlashMemory）.ApplicationofFlashstorageareaisupdatedwhenthebootFlasharea（BootFlashMemory）programcontinuestorun,RWWoperationachieved.ATmega16tobecomeapowerfulmicrocontrollerby8-bitRISCCPUandthesystemprogrammableflashinasinglechip,formanyembeddedcontrolapplicationsprovidesaflexibleandcost-effectivesolution.ATmega16hasasetofprogrammingandsystemdevelopmenttools,including:

Clanguagecompiler,macroassembler,programdebugger/softwareemulator,emulatorsandevaluationboards.

B.TemperatureSensor

TemperaturesensormanufacturedbyDALLASSemiconductorDS18B20-typesingleintelligencetempera