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1、本科毕业论文(设计)外文文献翻译译文题目：Designofdetectionofcombustiblegasandalarmsystem学生姓名：专业：指导教师：2013年2月第13页原文：DesignofCombustibleGasDetectionsystemusingWirelessTransmissionTechnologyShijiazhuangUniversitiesofEconomics,Hebei,Chinazkzhlp@163.comKeywords:TGS813,AT89S52,DS18B20,nRF905,TC35iAbstract
2、.Thedetectiondeviceofcombustiblegasaredesignedinthepresentedwork,usingwirelesstransceiverandGSMnetwork.Thesystemrealizethewirelesstransmissionofthegasconcentration,andalsocansendalarminformationtouser’smobilewhenanexceptionoccurs.Thesystemconsistsoftwoparts:amasterandslave.Thefun
3、ctionoftheslaveistocollectdata,processdataandtransfferthedatatothemaster.ThetaskofthemasteristoreceivedataanddisplayitbyLED.ThesignalacquisitioniscompletedbysensorTGS813andA/DconverterTLC2543.ThewirelesstransmissionisachievedthroughwirelesstransceivernRF905.Sincetheaccuracyofthes
4、ensorisaffectedbytheenvironment,usingDS18B20toachievetemperaturecompensation.AndwithwirelesscommunicationmoduleTC35iandGSMnetworkplatform,wecansendthealarminformationtouser’smobilepromptly.IntroductionGasdetectioniswidelyusedinpetroleum,chemical,metallurgy,family,shoppingmalls,ga
5、sstationsandotherplaces.Currently,howtomonitorthehazardousgasfastandaccuratelyaretheimportantissues.Althoughthegasdetectiontechnologyisrelativelymature,butmostproductshasmanyshortcomings,suchassinglefunction,operatingcomplex,bulky,expensiveandlowsensitivity.Wirelesscommunicationt
6、echnologyappliedtothegasmonitoringfield,canresolvetheproblemofremotemonitoringinspecialenvironment,suchashightemperature,lowtemperature,toxicgas.andunabletowiring.Inthepresentedwork,thecombustiblegasdetectorisfullyfunctional(withwirelesstransceiver),simple,smallsize,lowcost,andha
7、shighsensitivity.Theequipmentcangreatlyimprovethesystem'sdetectioncapabilityandaccuracywithtemperaturecompensationalgorithm,andalsocansendalarminformationtotheuser'smobilephonepromptlythroughtheGSMnetwork.SystemdesignThesystemconsistsoftwopartsasshowninFigure1.Fig.1Overallsystemb
8、lockdiagram第13页Theslavepartmainlycomplet
