会员注册 | 登录 | 微信快捷登录 支付宝快捷登录 QQ登录 微博登录 | 帮助中心 人人文库renrendoc.com美如初恋!
站内搜索 百度文库

热门搜索: 直缝焊接机 矿井提升机 循环球式转向器图纸 机器人手爪发展史 管道机器人dwg 动平衡试验台设计

外文翻译--可编程控制技术在船用锅炉控制系统中的应用.doc外文翻译--可编程控制技术在船用锅炉控制系统中的应用.doc -- 5 元

宽屏显示 收藏 分享

资源预览需要最新版本的Flash Player支持。
您尚未安装或版本过低,建议您

1TheapplicationofPLCtechniqueinthecontrolofmarineboilersProgrammableforewordcontroller,IscalledPCorPLC,ItappearscausesthecontroldomainfacedwithatechnicaltransformationTaketherelayasthefoundationengineroomcontroldevicestructurecomplex,thecomponentaremany,Thereliabilityisbad,ThebreakdownsometimesoccursThecurrentourcountryshipsusetheimportcompletesetcontroldevice,Itsfunctionconsummates,Thereliabilityisalsohigh,ButthepriceisexpensiveNumberyearago,IuseimportPLCamthecontroller,Owndesignthehardware,Establishmentcontrolprocedure,DevelopssuccessfullythePCGCprogrammableboilercombustioncontrolinstallment,SubstitutesfortheEnglishHAMWORTHYCorporationproductInthenearfuturethesimilarproductwillcomparewiththiscompany,Performancequite,Thepriceonlyisits12.513.4year,AltogetherhasPCGCtoinstall12setsinDazing414andsoon6Stripoiltankersolidshipuse,ExperiencestheSouthChinaSeastormandthenearly70℃hightemperatureadversecircumstancetests,Movesgood,DoesnothaveabreakdownTheexperienceindicated,Introducestheminorityessentialcomponent,Accordingtoconcretecontrolsystemrequest,Designstheappropriatesoftwareandthenecessaryhardware,Istheshipstechnologicaltransformationsandtheequipmentdispositiongoodmeans1systemcompositionThesystemiscomposedbybelowseveralpartsProgrammableforewordcontrollerPCPowersourcePSExaminationunitCooperationunitOBActuationunitMDisplaymonitorIBAuxiliaryrelayunitJBLinebankL,Likechart1showsThefirstsixpartsarethecontroldevicebasiccompositionThisinstallmentadditionallybuildsauxiliaryrelayunitJBincludingfour8portsintermediaterelayJ1,J2,J3andJ4and12portslightcontrolsrelayJGC.Whenthecontrolleroutputmustactuatethehighpowerload,NeedstocarryonthevoltageorthepowerconversionthroughtheintermediaterelayTheintermediaterelaybesidescompletesthehostwhichitundertakestocontrolthefunction,Alsoprovidesmanyviceauxiliaryports,Mayusefortheinterconnectionrelatedequipmentorputthroughtheconditionindicatinglamp,DoesthismaysavethehosttocontroltheunitthehardwareresourcesAfterestablishmentlinebank,Thepowersource,thePCboard,examinethecomponent,carriesoutthecomponent,operatesthebutton,thedisplaylampandsoonthecompletecontactalllinkstothelinebankplugin,Thisfortheequipmentsetup,theserviceandthesearchbreakdownhasprovidedtheconvenienceSystemeachpart2ofcompositionsandconnection。2Systemscontrolsrequest2.1Burningmanagementcontrol1FueloilchoiceThefuelmaychoosetheheavyoilorthelightoilIfchoiceheavyoil,Theoiltemperaturemustin80℃above,ThesidecancarryonburningTheoiltemperatureislowerthan80℃,Thenblowingout,Andthestartheatsuptheinstallmenttoheatuptotheheavyoil2CombustioncontrolAccordingtothestart,frontsweepsthegas,theignition,opensthe1sprayhole,opensthe2sprayholetheordertostartboilerburningAfterclosesthe2sprayhole,closestheorderblowingoutwhichthe1sprayhole,sweepswasmad3SteampressureintermittentcontrolAccordingtoboilersteampressurepANDgatelimitingvaluep10.7MPa,p2approximately0.6MPacontrolstwosprayholesapproximatelytheworkWhenpp1,1,the2sprayholeclosesWhenp1pp2,The1sprayholealoneworksWhenp2p,1,the2sprayholeopens。4Boilerwatermonitortheboilerwaterlevelusesthepairofpositioncontrolmode,whichknewverywell,Therefore,doesnotgiverelatesindetail2.2Interconnectionprotections1SteamoverpressureinterconnectionThesteampressurearrivesreportstothepolicethresholdvaluep0approximatelytime0.72MPa,Sendsoutthesteamoverpressurethewarning,Blowingout,Andshutsofftheloadpowersource,Stopstoallexecutionscomponentpowersupply2TheboilerwaterlevelreportstothepoliceTheestablishmenthighreportstothepolicethewaterlevelandthelowestdangerwarningwaterlevelWhencontrolsmalfunctions,Thewaterlevelsurpassesreportstothepolicethewaterlevel,Thensendsoutthehighwatermarktoreporttothepolice,AndshutsoffthefeedpumpelectricmotorpowersourceWhenthewaterlevelislowerthanthedangerwarningwaterlevel,Thensendsoutthelowwaterleveltoreporttothepolice,Boilerblowingout。3TheemergencyblowingoutprotectsWhenthecollectioncontrolsTaiwantohavetheblowingouttoorder,Thensendsouttheemergencyblowingoutthewarning,Boilerblowingout4HeavyoiltemperaturecontrolinterconnectionWhenchoiceheavyoil,Theoiltemperatureishigherthan80℃procedurestobeabletomoveTheoiltemperature3lowlyislowerthanthisvalue,Sendsoutthewarning,Boilerblowingout5FlamesurveillanceunusualinterconnectionWhenappearstheignitiondefeat,themidwayflameoutortheburningconditionworsening,Sendsouttheflamesurveillancetobeunusualthewarning,Boilerblowingout6Manual,automaticoperationinterconnectiononlywhencutstheswitchtosetmanuallyisautomatictheposition,onlythenallowscarriesonmanuallyisautomaticalloperations7The1sprayholedoesnotwork,Ortheairthrottlehasnotstartedinabigway,The2sprayholedoesnotworkandsoon3HardwaredesignsThehardwaredesignmainlyrevolvesthesystemthereliabilityandtheconsummationitsfunctiontwogoalcarrieson3.1PCshapingTheprogrammableforewordcontrolleruses,theexcellentcraftmanufactureadvanced,itsreliabilityisthegenerallaborcontrolsthemicrocomputer46todouble,ThereforeshouldstressfromthecontrolfunctionanglechoosesPC.Regardingthesingleplane,themediumscale,useinguaranteeingtheboilersafeoperationtheautomaticcontrolsystem,Toconservesenergythegoaltobepossiblenottoconsider,ThereforedoesnotneedthePIDcontrolfunctionSuchsystembyconditioncontrol,sequentialcontrolprimarily,Bytheswitchquantitylogicoperation,thetime,countsisinthemajority,Toaspecttheandsooncomponentrunningrateperformancedoesnothavethespecialrequest,ThereforemayactaccordingtotheproceduretoneedthecapacityIOportnumberandmemorysizemakesthePCshapingThestoragecapacityprocedurestepmay∑IOmaketheestimateaccordingtoempiricalformulaQ610,Iftheuserprogramisnotbig,SavesTheaccumulatorcapacitydemandiseasytosatisfyThissystemaltogethermustinputtheport,outputporteach14ifincreaseboilerwatermonitorfunction,Mustagainincreasetheinput,outputporteach4,ThereforeusesMitsubishiCorporationF130MRorF140MRisthecontrollerF130MRisthesubminiatureprogrammableforewordcontroller,Itsinput,outputstheportwithPCmachinetoassembleintogether,DoesnotneedtochoosetheIOmoduleagainF1seriesPCdoesnothavebreakdowntimeintervalMTBFis300,000hours,Themutable055℃,Work15℃65℃,Stock,Bearsthevibration,theimpactconformstoJISC0911,theC0912standard,Adoptsthepowersourceprotection,thesupplyvoltagesurveillance,theinstantaneouspowercut4compensates,measureandsoonantileveldisturbance,ThereliabilityandtheantjammingabilityareveryhighItalsohasmakesamistakefromthediagnosisability,Includingcirculartelegramdiagnosis,proceduremonitoringdeviceWatchdogandEOL,MayguaranteethecorrespondenceandtheprocedureexecutionaccuracyF130MRhasinputport16,Outputsport14,CansatisfytheprocedureexactlytheneedWhentheexpansionprocedurefunctionalneedincreasestheIOport,Maythroughaffixtheexpansionlist3.2PowersourcesprotectionsandantjammingAlthoughPChasthegoodpowersourceadaptiveness,Alsoshouldtakethemeasurefromtheelectricalpowersystem,Reducesintheinstallmentpowersupplyasfaraspossiblethedisturbance,theundulation,owespresses,theinstantaneoushighpressuretothesystemtheinfluenceTherefore,UsesintheelectricalpowersystemSeparationpowersourcepowersupply,insulatingtransformerandpowerfailureprotectorPCmachine,theinputcircuitandtheoutputcircuitbyseparatethepowersource,throughtheinsulatingtransformerpowersupplyInsulatingtransformershieldlevelgoodearth,ThesecondaryoutputusesthetwistedpairlineThesemeasuresregardingsuppressintheelectricalnetworkandmixintheinputoutputcircuitthedisturbancetocausetheproceduredisoperationtohavethegoodeffectTheinsulatingtransformerusesthehighqualityhighmagneticfluxdensitynottohavecutsthecircularcrosssectioncore,Losesslightly,EnabletheequipmentantivoltageundulationtheabilitytoobtaintheenhancementFrontendtheoutputcircuitpowersourcehasalsoestablishedtheemergencypowerfailureswitch,Whenhastheemergencycase,Maythedump,Protectionsystemsecurity3.3IOallocationandexteriorcircuitdesignControlsystembyPCmachineandinputandoutputcircuitconnectionconstitution,EachpartindependentlysuppliespowerbyelectricalnetworkPS,Seeschart1.TheinputcircuitdividestheexaminationinputcircuitandtheoperationinputcircuittwokindsTheexaminationinputcircuitreceivesthelighttocontrolthelightwhichthetubeandthesensorcontrolstocontroltheswitchandmagneticcontactorG,Sii1,2,AndPCinputportconnection,PotThestoveconditioninformationfeedbackgivesPC.Operationinputcircuitbutton,changeoverswitchandsoonandPCinputportconnection,ToPCtransferoperationorderInthecontrolsystemmovementfixedtimeandthesteampressure,thetemperatureandsoontheentiredefinitevaluereadsinPCbytheprogramming,
编号:201311171121555842    大小:50.00KB    格式:DOC    上传时间:2013-11-17
  【编辑】
5
关 键 词:
教育专区 外文翻译 精品文档 外文翻译
温馨提示:
1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
2: 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
3.本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 人人文库网仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
  人人文库网所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。
0条评论

还可以输入200字符

暂无评论,赶快抢占沙发吧。

当前资源信息

4.0
 
(2人评价)
浏览:26次
英文资料库上传于2013-11-17

官方联系方式

客服手机:13961746681   
2:不支持迅雷下载,请使用浏览器下载   
3:不支持QQ浏览器下载,请用其他浏览器   
4:下载后的文档和图纸-无水印   
5:文档经过压缩,下载后原文更清晰   

相关资源

相关资源

相关搜索

教育专区   外文翻译   精品文档   外文翻译  
关于我们 - 网站声明 - 网站地图 - 友情链接 - 网站客服客服 - 联系我们
copyright@ 2015-2017 人人文库网网站版权所有
苏ICP备12009002号-5