(新版)汽車專業(yè)英語(yǔ)課件：Automobile repair tools and equipment

Project2

Automobilerepairtoolsandequipment12Project2

Automobilerepairtoolsandequipment

掌握汽車的常用維修工具、儀器、設(shè)備及使用方法

掌握其常用術(shù)語(yǔ)知識(shí)目標(biāo)能識(shí)別汽車常用維修工具的英文表達(dá)，并能熟記相關(guān)專業(yè)詞匯能讀懂汽車維修常見檢測(cè)設(shè)備的英文使用說(shuō)明，并按照說(shuō)明進(jìn)行正確操作和檢測(cè)能力目標(biāo)3Task1

Automobilerepairtools

1.Newwordsandexpressionsefficient[i?fi??nt]a.效率高的，有能力的prior[?prai?]a.優(yōu)先的，在前的maintenance[?meintin?ns]n.維修，保養(yǎng)essential[i?sen??l]a.必不可少的；本質(zhì)的，基本的technician[tek?ni??n]n.技術(shù)員，技師wrench[rent?]n.扳手pliers[?plai?z]n.鉗子screwdriver[?skru:?draiv?]n.螺絲刀、起子property[?pr?p?ti]n.財(cái)產(chǎn)；性質(zhì)，性能caution[?k?:??n]n.謹(jǐn)慎；注意(事項(xiàng))，警告file[fail]n.檔案；文件夾；銼刀hammer[?h?m?]n.錘，榔頭lift[lift]vt.提，舉；vi.升起；消散n.電梯，舉升機(jī)知識(shí)準(zhǔn)備41.Newwordsandexpressionstorque

[t?:k]n.轉(zhuǎn)矩，扭矩gauge

[geid?]n.測(cè)量?jī)x表jack

[d??k]n.千斤頂piston

[?pist?n]n.活塞valve

[v?lv]n.閥，活門spring

[spri?]n.春(天)；泉；彈簧，發(fā)條tongs

[t??z]n.夾子，鉗子universal

[?ju:ni?v?:s?l]a.普遍的；萬(wàn)能的socket

[?s?kit]n.插座，套筒priorto先于，優(yōu)于avarietyof各種各樣的carryout執(zhí)行，實(shí)行apartfrom

除…之外知識(shí)準(zhǔn)備5知識(shí)目hexkeys內(nèi)六角扳手slipjointpliers鯉魚鉗Pairofpliers鋼絲鉗longnosepliers尖嘴鉗pipewrench管子鉗steelwirebrush鋼絲刷feelergauge塞尺/厚度規(guī)verniercaliper游標(biāo)卡尺micrometer外徑千分尺dialindicator百分表aircompressor空氣壓縮機(jī)adjustablewrench活動(dòng)扳手universalpuller通用拉撥器digitalmultimeter數(shù)字萬(wàn)用表hydraulicjack油壓千斤頂知識(shí)準(zhǔn)備6Automobilerepairtools任務(wù)實(shí)施7Automobilerepairtools任務(wù)實(shí)施ThereisanoldChinesesaying,“Efficienttoolsarepriortogoodharvests.”Itisthesameinthefieldofautomobilemaintenance.Itisessentialandhelpfulforatechniciantogetsomeefficientrepairtools.Thereareawidevarietyofrepairtoolsinanauto.4Sshop.Whenwetalkaboutthem,weshouldnotbestrangeforsuchtoolsaswrenches,pliersandscrewdriversandsoon.Ofcourse,thesearethemostcommontools.Theyarenotenoughtofinishtherepairwork.Apartfromsomecommontools,therearealotofspecialtoolsthatareusedtocarryoutsomespecialtask.Thefigure2.1.1convergessomeofrepairtools. Beforeusingthesetools,wemustlearnmoreabouttheirstructuralpropertiesandcautions.8Task2Automobiletestingequipment1.Newwordsandexpressionsfacility

[f??siliti]n.［pl.]設(shè)備，設(shè)施；technician

[tek?ni??n]n.技術(shù)員，技師o(wú)scilloscope[??s?l?,skop]n.示波器current

[?k?r?nt]a.當(dāng)前的；流行的n.流；電流voltage

[?v?ultid?]n.電壓resistance

[ri?zist?ns]n.反抗，抵制；抵抗力(性)；阻力，電阻frequency

[?fri:kw?nsi]n.次數(shù)，頻率decode

[?di:?k?ud]vt.譯(碼)，解(碼)performance

[p??f?:m?ns]n.表現(xiàn)，工作性能analyze

[??n?laiz]vt.分析，細(xì)察exhaust

[ig?z?:st]vt.使精疲力盡；耗盡n.排氣裝置；廢氣(液)align

[??lain]vt.&vi.排行diagnosis

[?dai?g?n?usis]n.診斷知識(shí)準(zhǔn)備9Task2Automobiletestingequipmentmechanical

[mi?k?nik?l]a.機(jī)械(制造)的；力學(xué)的；呆板的integrate

[?intigreit]v.(into，with)(使)成為一體，(使)合并digital

[?did?itl]a.數(shù)字的，數(shù)字顯示的analog

[??n?l?g]n.類似物;模擬indispensable

[?indi?spens?b?l]a.(to，for)必不可少的，必需的accurate

[??kjur?t]a.正確無(wú)誤的；準(zhǔn)確的，精確的reading

[?ri:di?]n.讀物；讀數(shù)function

[?f??k??n]n.功能；重大聚會(huì)；函數(shù)impedance[?m?pidns]n.[電]阻抗,全電阻parameter

[p??r?mit?]n.[常pl.]界限，范圍；參數(shù)capacitance[k??p?s?t?ns]n.容量,電容waveform['we?vf?:rm]n.波形amplitude[??mpl??tud,-?tjud]n.振幅intensity

[in?tensiti]n.強(qiáng)烈，劇烈；強(qiáng)度graphic

[?gr?fik]a.生動(dòng)的，形象的；圖表的interface

[?int?(:)feis]n.接口；界面，交接處accessory

[?k?ses?ri]n.附(零,配)件maintenance

[?meintin?ns]n.維修，保養(yǎng)；扶養(yǎng)費(fèi)；維持，保持知識(shí)準(zhǔn)備10Task2Automobiletestingequipmentdynamic

[dai?n?mik]a.有活力的；動(dòng)力的detect

[di?tekt]vt.察覺，發(fā)現(xiàn)；查明,檢測(cè)ignition

[ig?ni??n]n.點(diǎn)火lubricate

[?lu:brikeit]vt.使?jié)櫥琫mission

[i?mi??n]n.排放，輻射；排放物extract

[ik?str?kt,?ekstr?kt]vt.取出；提??；獲得；摘錄n.摘錄；提出物cabinet

[?k?binit]n.內(nèi)閣；貯藏櫥，陳列柜compliance

[k?m?plai?ns]n.排放達(dá)標(biāo)（率）；服從，聽從density

[?densiti]n.密集，稠密；密度coefficient[?ko??f???nt]n.[數(shù)]系數(shù)versatile

[?v?:s?tail]a.多才多藝的；多功能的，萬(wàn)用的ingredient

[in?gri:di?nt]n.組成部分，成分，原料contrast

[?k?ntrɑ:st]n.對(duì)比；反差vt.對(duì)比vi.(with)形成對(duì)比camber['k?mb?]n.拱形,外傾caster['kɑ:st?]n.投手、(家具的)輪腳,后傾知識(shí)準(zhǔn)備11Task2Automobiletestingequipmentautomultimeter汽車萬(wàn)用表autooscilloscope汽車示波器engineperformancesanalyzer發(fā)動(dòng)機(jī)性能分析儀autodecoder汽車解碼器autoexhaustgasanalyzer汽車尾氣分析儀fourwheelaligner四輪定位儀faultdiagnosis故障診斷l(xiāng)iquidcrystaldisplay(LCD)液晶顯示器self-diagnosisfunction自診斷功能electroniccontrolunit(ECU)電控單元dataacquisition數(shù)據(jù)采集signalextractiondevice信號(hào)提取裝置carbondioxide(CO2)二氧化碳carbonmonoxide(CO)一氧化碳o(jì)xygen(O2)氧氣hydrocarbon(HC)碳?xì)浠衔飊itrogenoxide(NOx)氮氧化物excessaircoefficient過(guò)量空氣系數(shù)知識(shí)準(zhǔn)備12Automobiletestingequipment任務(wù)實(shí)施Amoderncarisahi-techproduct.Therepairworkisfarbeyondthecapabilityoftechnician’shandsandeyes.Asatechnician,youwillhavetousesomespecialfacilitiestofindoutthefaultcauseandsolveproblems.Thesetestingequipmentsthatarecommonlyusedintheautorepairworkincludeautomultimeter,autooscilloscope,faultdecoder，engineperformancesanalyzer,autoexhaustgasanalyzerandfour-wheelalignmentinstrument,etc.(shownasthefigure2.2.1).Theyareallthemechanical-electricalintegratedexaminingfacilitiesspeciallydesignedforautomotivetroublediagnosis,testandanalysis.Thebriefintroduceisasbelow.13Automobiletestingequipment任務(wù)實(shí)施Thedigitalautomultimeter.Multimetersaredividedintotwotypes：digitalandanalog.Itisanindispensabletestinginstrumentintherepairprocess.Comparedwithananalogmultimeter,adigitalmultimeter(DMM)hasmoreadvantages,likeaccuratereadings,morefunctionsandhigherimpedance.Thereforemostelectricianswouldliketousedigitalmultimeterstotestsuchparametersascurrent,voltageandresistance.Besides,amoreadvancedfunctionlikefrequencyorcapacitancecanbeselectedtomeasure.Autooscilloscope.Theoscilloscopeisapowerfultoolbywhichautomobilemechanicscanmakearapidfaultdiagnosisoftheautomotiveelectronicequipment.Itisadevicethatmeasuresvoltages.Whentested,theoscilloscopeshowsawaveformdiagramwhichthevoltagechangeswiththetimetorespondtoanelectronicsignal.Normally,itdisplaysthevoltageasafunctionoftime.Especially,theoscilloscopeisappliedtoobserveandmeasurethefrequency,amplitudeandwaveformofvarioussignals.14Automobiletestingequipment任務(wù)實(shí)施15Automobiletestingequipment任務(wù)實(shí)施Inthegraph,theverticalaxis(Y)representsforvoltageandthehorizontalaxis(X)showstime.TheintensityorbrightnessofthedisplayissometimescalledtheZaxis.Theoscilloscopeismoreaccurateandmoregraphicthanthemultimetertomeasureanelectronicsignal.Itmainlyconsistsoftheliquidcrystaldisplay(LCD),functionkeys,ahostinterfaceandaccessories.Autodecoder.Whenacarisrunning,oncetheelectricalcontrolsystemfails,theelectroniccontrolunit(ECU)willuseitsself-diagnosisfunctiontodetectthefault.Thefaultwillbestoredinthememoryoftheelectroniccontrolunitintheformofthecode.Theroleofthedecoderistoreadthefaultcodefromtheelectroniccontrolunitandprovidereferenceforthemaintenancepersonnel.Anautodecoderisdividedintogeneralandspecialtype.Nomatterwhichitis，itsstructureisbasicallythesame,mainlyincludingthehost,powersupply,testconnectorsandtestline.16Automobiletestingequipment任務(wù)實(shí)施Engineperformanceanalyzer.Anengineperformanceanalyzerisasetofinstrumentthatintegratessensortechnology,dynamicdataacquisitionandsignalprocessingtechnology.Itcannotonlyaccuratelyacquirevariousoperationparametersoftheenginebydynamicallydetectingthesystemoftheengine’signition,thefuelsupply,cooling,lubrication,intakeandexhaust,electroniccontrol,sensor,emission,etc.butalsoanalyzethefaultroot.Theengineperformanceanalyzerisgenerallycomposedoffiveparts:signalextractiondevice,signalprocessingsystem,personalcomputer(PC)installedthesoftwareandaccessories,optionalequipmentandcabinet.17Automobiletestingequipment任務(wù)實(shí)施18Automobiletestingequipment任務(wù)實(shí)施Automobileexhaustanalyzer.Anexhaustgasanalyzerisoneofimportanttestinginstruments.A5-gasanalyzermeasurescarbon