机电英语课件 Chapter 4 Electrical Equipment

ElectricalEquipmentCHAPTER4时间：202X.XLearningObjectives01030204recognizethetermsrelatedtoelectricaltools,equipmentandequipmentmaintenancetalkabouthowtouseamultimetercorrectlyelicittheinformationaboutequipmentmaintenanceandsafetyparticipateintheWorldVocationalSchoolSkillsCompetitionLookandMatchWarmingUpA.screwdriverB.multimeterC.wirestripperD.solderE.oscilloscopeF.regulatedpowersupplyG.clampammeterH.T-handlehexsocketI.signalgeneratorwirestripperscrewdriversolderoscilloscoperegulatedpowersupplymultimeterclampammetersignalgeneratorT-handlehexsocketLookandSayWhatelectricaltoolscanyoufindintheworkshop?WarmingUpwirestripperscrewdriversolderoscilloscopemultimeterregulatedpowersupplyclampammeterT-handlehexsocketsignalgeneratorThinkandSayWarmingUpWhichelectriciantoolisdescribedineachsentence?Itisdesignedtodrivescrewsintooroutofmaterialsquicklyandwithlesseffort._________________Itisusedtocreateapermanentbondbetweentwoormoremetalcomponentsbymelting._____________Itcanmeasureseveralelectricalpropertiessuchasvoltage,current,andresistance.________________Itisanelectronicmeasuringinstrumentthatgraphicallydisplaysvaryingelectricalsignalsovertime._________________Itisusedtoremovetheinsulationfromelectricalwires.__________________Itisanelectricaldevicethatprovidesastableandconsistentoutputvoltageorcurrenttopowerelectronicdevicesandcircuits.________________________________screwdriversoldermultimeteroscilloscopewirestripperregulatedpowersupplyListenandTickListeningWhatcanbemeasuredbyamultimeter?()current()resistor()voltage()resistance()ammeter√√√ListenandDecideListeningAmultimetercanbeusedtomeasurevoltage,currentandresistance.()Wecanusethemultimeterdirectlytomeasurecurrent.()Thereareblackandwhiteprobesonthemultimeter.()thereisnosafetytipsforusingthemultimeter.()TFFFA:What’sthis?B:Thisisa(1)_______________.A:Iknownothingaboutit.Canyoutellme?B:Sure.Beforemeasuring,weshouldsetcorrect(2)____________andrange.A:Okay,butwhatdowemeasurewithit?B:Weuseittomeasurevoltage,currentand(3)_____________.A:Wow,tellmemoreplease.Howtomeasure(4)_____________?B:Firstly,putblackprobein"COM"portandredin“VΩ”port.Then,settherightvoltagerange.Andlastly,placeprobesonpointsto(5)____________.A:Isee.Arethereanysafetytips?B:Ofcourse.Weshouldcutoffthecircuitwhenmeasuringcurrent.ListenandCompleteListeningmultimeterfunctionresistancevoltagemeasureA:What’sthis?B:Thisisamultimeter.A:Iknownothingaboutit.Canyoutellme?B:Sure.Beforemeasuring,weshouldsetcorrectfunctionandrange.A:Okay,butwhatdowemeasurewithit?B:Weuseittomeasurevoltage,currentandresistance.A:Wow,tellmemoreplease.Howtomeasurevoltage?B:Firstly,putblackprobein"COM"portandredin“VΩ”port.Then,settherightvoltagerange.Andlastly,placeprobesonpointstomeasure.A:Isee.Arethereanysafetytips?B:Ofcourse.Weshouldcutoffthecircuitwhenmeasuringcurrent.ListenandimitateListeningPracticetheabovedialoguewithyourpartner.Howtouseamultimetertomeasurecurrentandresistance?Discusswithyourpartnerandrole-playthedialogue.Reference:A:What’sthis?B:Thisisamultimeter.A:Iknownothingaboutit.Canyoutellme?B:Sure.Beforemeasuring,weshouldsetcorrectfunctionandrange.A:Okay,but,whatdowemeasurewithit?BWeuseittomeasurevoltage,currentandresistance.A:Wow,tellmoreplease.Howtomeasure…?B:…Role-playSpeakingWords&ExpressionsWarmingupscrewdriver:/ˈskruːdraɪvə(r)/n.螺丝刀；螺丝起子multimeter:/ˌmʌltiˈmiːtə(r)/ n.万用表；多用表wire:/ˈwaɪə(r)/n.电线；金属丝；v.给…装电线；用金属丝缚住stripper:/ˈstrɪpə(r)/n.剥皮机；这里指剥线钳solder:/ˈsɒldə(r)/；美/ˈsɑːdər/n.焊料；焊锡；v.焊接；焊合oscilloscope:/əˈsɪləskəʊp/ n.示波器regulatedpowersupply:/ˈreɡjuleɪtɪdˈpaʊə(r)səˈplaɪ/n.稳压电源clampammeter:/ˈklæmpˈæmɪtə(r)/n.钳形电流表T-handlehexsocket:/ˈtiːhændlheksˈsɑːkɪt/ n.T型六角套筒signalgenerator:/ˈsɪɡnəlˈdʒenəreɪtə(r)/n.信号发生器Words&Expressionsrange:/reɪndʒ n.一系列；范围；射程；排；山脉；v.（在一定的范围内）变化，变动；包括（从…到…）之间的各类事物；使排列成行probe:/prəʊb/ n.探针；探测器；调查；v.探查；探究；用探针探测function:/ˈfʌŋkʃn/ n.功能；函数；职责；盛大的集会；v.运行；起作用cutoff:/ˈkʌtɔːf/（美）,短语动词，切断；中断；使隔绝ListeningandSpeakingElectricalEquipmentCHAPTER4时间：202X.XLearningObjectives01030204recognizethetermsrelatedtoelectricaltools,equipmentandequipmentmaintenancetalkabouthowtouseamultimetercorrectlyelicittheinformationaboutequipmentmaintenanceandsafetyparticipateintheWorldVocationalSchoolSkillsCompetitionReadingReadingEquipmentMaintenanceandSafetyinElectricalBasicsEquipmentMaintenanceandSafetyinElectricalBasicsEquipmentMaintenanceRegularInspectionRegularlycheckelectricalequipmentfordamageandlooseconnections.Lookforcracksinhousingsanddiscolorationatconnections.Inspectmoreoftenifinharshenvironments.CleaningandMaintenanceKeepequipmentcleantopreventdustanddebrisbuildup.Useadryclothorcompressedair.Lubricatemovingpartsasneeded.Tightenscrewsandfasteners.ReadingReadingElectricCircuitPerformanceChecksUsetoolslikemultimetersandmegohmmeterstocheckelectricalparameters.Inspectinsulationresistance.ForcomplexequipmentlikePLCs,doregulardiagnostics.ComponentReplacementReplaceworn-outcomponentslikecontacts,fuses,andfaultycapacitorsandresistors.EquipmentSafetyElectricalShockPreventionEnsurepropergrounding.Wearinsulatingglovesandshoes.Cutoffpoweranduselock-out/tag-outbeforeworking.ReadingReadingElectricCircuitFirePreventionInstallinventilatedareas.Checkforoverheating.Inspectwiring.Havefiresuppressionsystems.SafetyTrainingandAwarenessTrainemployeesonelectricalsafety.Usepostersandmeetingstoraiseawareness.Reviewsafetyproceduresregularly.ReadandChooseReading(1)Forequipmentmaintenance,whichofthefollowingisNOTmentionedasaregularinspectionitem?()A.Checkingfordamagetoelectricalequipment.B.Lookingforcracksinhousing.C.Checkingthebatterylifeofequipment.D.Lookingfordiscolorationatconnections.(2)Inequipmentsafetyforelectricalshockprevention,whatshouldbedonebeforeworkingonelectricalequipment?()A.Wearregularglovesandshoes.B.Ensureproperventilation.C.Cutoffpoweranduselock-out/tag-out.D.Installfiresuppressionsystems.C

C

ReadandChooseReading(3)Forfirepreventioninelectricalequipment,whichofthefollowingiscorrect?()A.Installinnon-ventilatedareas.B.Inspectwiringregularly.C.Ignoreoverheating.D.Donothavefiresuppressionsystems.B

(1)Inequipmentmaintenance,it’snecessarytotightenscrewsandfasteners.()(2)Regularinspectionofelectricalequipmentonlyneedstobedoneonceayear.()(3)Forcleaningandmaintenance,usingwetclothtocleanelectricalequipmentisagoodchoice.()(4)Whenitcomestocomponentreplacement,onlywhentheequipmentcompletelystopsworkingshouldcomponentsbereplaced.()(5)ForcomplexequipmentlikePLCs,regulardiagnosticsshouldbecarriedoutinperformancechecks.()ReadandDecideReadingTFFFTReadandLabelWritingComponentReplacementCleaningandMaintenanceFirePreventionRegularInspectionElectricalShockPreventionPerformanceChecksReadandFillWritingTherearetwotypesof____________,includingsoftsolderandhardsolder.______________________producesvarioustypesofelectricalsignalswithspecificcharacteristics.______________________operatebasedonthethermaleffectofcurrent.With___________________,theinsulationcanbecleanlycutandremovedwithoutdamagingthewireconductor.Whentroubleshootingelectricalcircuits,_________________helpstodeterminewhetheracomponentisreceivingthecorrectvoltage.___________________________________istransformingtheindustrialsectorbybringingtogetheradvancedtechnologiestocreatemoreefficient,flexible,andsustainableproductionprocesses.Therearedifferentbitsfor_________________,suchasflat-head,Phillips-head,andothertypesofscrews.__________usesaprogrammablememorytostoreinstructionsforlogicoperationsandusesdigitalinputsandoutputstocontrolvarioustypesofmachineryorproductionprocesses.solderSignalgeneratorThermalrelayswirestrippermultimeterIntelligentmanufacturingscrewdriverPLC ProgrammableLogicControllers(PLCs):CrucialforIndustrialAutomation Inmodernindustrialautomation,ProgrammableLogicControllers(PLCs)areessential.Thesespecializedcomputersforindustrialuseconsistofa(1)________________,memory,I/Omodules,anda(2)___________________interface(接口).Theycanbeprogrammedin(3)_______________likeladderlogic,functionblockdiagram,orstructuredtexttohandletasksfromsimpleon/offcontroltocomplexprocess(4)__________. PLCsarehighly(5)____________andreliable.TheycanendureharshindustrialconditionsandareoftenintegratedwithothercontrolsystemslikeHMIsandSCADA.Theirprogrammingisaccessibleeventonon-experts.WiththeintegrationoftechnologieslikeIoTandIndustry4.0,theyenable(6)__________monitoringand(7)________analysis. Inconclusion,(8)________playavitalroleinmodernindustrial(9)________________duetotheirflexibility,reliability,easeofprogramming,andintegrationcapabilities.As(10)________________advances,theywillcontinuetoshapethefutureofindustrialprocesses.ReadandCompleteWriting1.processor2.programming3.languages4.control5.flexible6.Remote

7.data8.automation9.technology10.PLCsprocessorprogramminglanguagescontrolflexibleremotedataPLCsautomationtechnologyReadandApplyPracticeReadandApplyPracticeBeforethecompetitionContestantA:我作为项目总策划/软件程序开发员，负责项目总体规划”。Asthechiefprojectplanner,IamresponsiblefortheoverallplanningoftheprojectContestantB:我是硬件设备安装员，负责硬件设备。“Iamthehardware(1)i________________technician,responsibleforthehardwaredevices.ContestantC:我是硬件线路设计员，负责硬件系统。“Iamthehardware(2)c_______designer,responsibleforthehardwaresystem.”ContestantA:检查软件应用，工具耗材以及设备。“Let’scheckthe(3)s___________applications,(4)t______andconsumables,aswellastheequipment.”ContestantB:“Alltoolsworkandconsumablesareenough”ContestantC:“Thehardwareisgood.installationcircutsoftwaretoolsReadandApplyPracticeDuringtheoperationstageContestantC:在刚才的线路检查中，我们发现发电设备的线路与负载的线路未完成连接，因此，接下来我们将完成这两部分的线路安装。“Duringthepreviouscircuit(5)i______________,wefoundthatthewiringofthepowergenerationequipmentandthewiringoftheloadhavenotbeen(6)c______________yet.Therefore,next,wewillcompletetheinstallationofthewiringforthesetwoparts.”ContestantB:接下来我将进行规范做线展示，“Next,Iwilldemonstratethestandardizedwire-makingprocess.”ContestantC:现在我们将进行上电前检测。检测完毕，线路未发生故障“Nowwewillconductthepre-power-oninspection.The(7)i______________iscompleted,andnofaultshavebeenfoundinthecircuits.”ContestantA:接下来由我向大家介绍系统总体功能。至此我们完成了新型电力智能状态检测与故障诊断系统，且功能正常运行，符合公司需求，顺利完成交付。“Then,Iwillintroducetheoverallfunctionsofthesystem.Sofar,wehavecompletedthedevelopmentofthenew(8)i_______________powerstatusdetectionandfaultdiagnosissystem.Thesystemisoperatingnormally,meetingtherequirementsofthecompany.”inspectionconnectedintelligentinspectionReadandApplyPracticeAttheendofthecompetitionContestantA:通过搭建本系统，我掌握了系统程序设计与网络通信调试等技能，适应了软件程序开发员的岗位“Bybuildingthissystem,I’vemasteredskillslikesystemprogrammingandnetworkcommunicationdebugging.Thishasenabledmetoadaptwelltothepositionofsoftwareprogrammer.”ContestantB:我掌握了光伏组件与风力发电机组的安装，系统硬件设备安装等技能，适应了设备安装调员的岗位需求。“I’veacquiredskillsininstallingphotovoltaicmodules,windturbinegenerators,andsystemhardwareequipment.Thishasallowedmetomeettherequirementsoftheequipmentinstallationandcommissioning(9)t_____________position.”ContestantC:我掌握了系统线路连接，系统线路设计等技能，适应了硬件线路设计员的岗位需求。“Ihavemasteredskillssuchas(10)s__________circuitconnectionandsystemcircuitdesign,whichenablesmetomeetthejobrequirementsofahardwarecircuitdesigner.”ContestantA:“Weshouldalwaysstriveforperfectioninourwork..”ContestantB&C:“Yes!Wewill!”techniciansystemWords&ExpressionsReadingmaintenance:/ˈmeɪntənəns/n.维护；保养；维持inspection:/ɪnˈspekʃn/n.检查；检验；视察regularly:/ˈreɡjələli/adv.有规律地；定期地；经常地damage: /ˈdæmɪdʒ n.损害；损失；v.损害；毁坏loose:/luːs/adj.宽松的；松动的；未固定的；v.释放；放开crack:/kræk/n.裂缝；裂纹；v.破裂；裂开；adj.训练有素的harsh:/hɑːʃ/adj.严厉的；严酷的；刺耳的；粗糙的dust:/dʌst/n.灰尘；尘土；v.掸去灰尘；撒上粉末debris: /ˈdebriː/n.碎片；残骸；瓦砾堆buildup:/ˈbɪldʌp/n.积聚；堆积；增强compressed:/kəmˈprest/adj.压缩的；压紧的lubricate: