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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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
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
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- 智能型 住宅 报警 系统 外文 文献 翻译