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1、教学与学晚本科毕业论文（设计）外文文献翻译译文题目：Designofdetectionofcombustiblegasandalarmsystem学生姓名：专业：数学与应用数学和电气工程及其自动化指导教师：2013年2月原文:DesignofCombustibleGasDetectionsystemusingWirelessTransmissionTechnologyShijiazhuangUniversitiesofEconomics，Hebei,Chinazkzhlp@163.comKeywords：TGS813,AT89S52,DS18B20,nRF9
2、05,TC35iAbstract.Thcdetectiondeviceofcombustiblegasarcdesignedinthepresentedwork,usingwirelesstransceiverandGSMnetwork.Thesystemrealizethewirelesstransmissionofthegasconcentration,andalsocansendalarminformationtouser’smobilewhenanexceptionoccurs.Thesystemconsistsoftwoparts:amastera
3、ndslave.Thefunctionoftheslaveistocollectdata,processdataandtransfferthedatatothemaster.ThetaskofthemasteristoreceivedataanddisplayitbyLED.ThesignalacquisitioniscompletedbysensorTGS813andA/DconverterTLC2543.ThewirelesstransmissionisachievedthroughwirelesstransceivernRF905.Sincetheac
4、curacyofthesensorisaffectedbytheenvironment,usingDS18B20toachievetemperaturecompensation.AndwithwirelesscommunicationmoduleTC35iandGSMnetworkplatform,wccansendthealarminformationtouser’smobilepromptly.IntroductionGasdetectioniswidelyusedinpetroleum,chemical,metallurgy,family，shoppi
5、ngmalls，gasstationsandotherplaces.Currently,howtomonitorthehazardousgasfastandaccuratelyaretheimportantissues.Althoughthegasdetectiontechnologyisrelativelymature，butmostproductshasmanyshortcomings，suchassinglefunction,operatingcomplex，bulky,expensiveandlowsensitivity.Wirelesscommun
6、icationtechnologyappliedtothegasmonitoringfield，canresolvetheproblemofremotemonitoringinspecialenvironment，suchashightemperature，lowtemperature，toxicgas.andunabletowiring.Inthepresentedwork，thecombustiblegasdetectorisfullyfunctional(withwirelesstransceiver)，simple，smallsize,lowcost
7、,andhashighsensitivity.Theequipmentcangreatlyimprovethesystem'sdetectioncapabilityandaccuracywithtemperaturecompensationalgorithm,andalsocansendalarminformationtotheuser’smobilephonepromptlythroughtheGSMnetwork.SystemdesignThesystemconsistsoftwopartsasshowninFigureLFig.1Overallsyst
8、emblockdiagram原文:DesignofC
