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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,TC35i
2、Abstract.Thedetectiondeviceofcombustiblegasaredesignedinthepresentedwork,usingwirelesstransceiverandGSMnetwork.Thesystemrealizethewirelesstransmissionofthegasconcentration,andalsocansendalarminformationtouser’smobilewhenanexceptionoccurs.Thesystemconsistsoftwoparts:amaste
3、randslave.Thefunctionoftheslaveistocollectdata,processdataandtransfferthedatatothemaster.ThetaskofthemasteristoreceivedataanddisplayitbyLED.ThesignalacquisitioniscompletedbysensorTGS813andA/DconverterTLC2543.ThewirelesstransmissionisachievedthroughwirelesstransceivernRF90
4、5.Sincetheaccuracyofthesensorisaffectedbytheenvironment,usingDS18B20toachievetemperaturecompensation.AndwithwirelesscommunicationmoduleTC35iandGSMnetworkplatform,wecansendthealarminformationtouser’smobilepromptly.IntroductionGasdetectioniswidelyusedinpetroleum,chemical,me
5、tallurgy,family,shoppingmalls,gasstationsandotherplaces.Currently,howtomonitorthehazardousgasfastandaccuratelyaretheimportantissues.Althoughthegasdetectiontechnologyisrelativelymature,butmostproductshasmanyshortcomings,suchassinglefunction,operatingcomplex,bulky,expensive
6、andlowsensitivity.Wirelesscommunicationtechnologyappliedtothegasmonitoringfield,canresolvetheproblemofremotemonitoringinspecialenvironment,suchashightemperature,lowtemperature,toxicgas.andunabletowiring.Inthepresentedwork,thecombustiblegasdetectorisfullyfunctional(withwir
7、elesstransceiver),simple,smallsize,lowcost,andhashighsensitivity.Theequipmentcangreatlyimprovethesystem'sdetectioncapabilityandaccuracywithtemperaturecompensationalgorithm,andalsocansendalarminformationtotheuser'smobilephonepromptlythroughtheGSMnetwork.SystemdesignThesyst
8、emconsistsoftwopartsasshowninFigure1.Fig.1Overallsystemblockdiagram第13页Theslavepartmainlycomplet
