軌道交通智能控制技術(shù)專業(yè)英語(yǔ)（中英雙語(yǔ)）課件 Unit 2 Key Control Systems of Rail Transit

《軌道交通智能控制技術(shù)專業(yè)英語(yǔ)》（中英雙語(yǔ)）Unit

2KeyControlSystemsofRail

TransitPart

1Part

2C

o

n

t

e

n

t

sTrainPowerSupply

SystemTransitTraction

SystemBrake

SystemNetwork

SystemAir-conditioning

SystemPart

3Part

4Part

5Part

1TrainPowerSupply

SystemPart

1PassageRailtransittrainsareamaintypeofmeansoftransportofChina,andelectricdevicesareanimportantpartofatrain.Thepowersupplysystemofatrainsuppliespowertotheelectricloadsandautomaticdevicesonthe

train.powersupplyis

eithercentralizedIntermsof

distributionpowersupplyis

eitherdecentralizedTrainpowersupplysystemshavethreesupplymodes–separate,centralizedand

mixed.Part

1PassageSeparatepower

supplyIntheseparatepowersupplymode,eachtrainhasapowersupplydevicethat

operatesseparately.Separatepowersupplyfortrainshasthefollowingthreetypes:Powersupplyusingabattery

packPowersupplybyageneratordrivenbyaxlesviapulleysoruniversalshaftsandinparallelwithabattery

pack;Powersupplybyasmalldiesel

generatorPart

1PassageCentralizedpower

supplyThepowersourceforatrain’scentralizedpowersupplyisprovidedbythedieselgeneratorunitonthegeneratorcarforthenon-electrifiedsections,orbytheoverheadlinesviathemaintransformeroftheelectriclocomotivefortheelectrified

sections.Powersupplybydieselgenerator

carIncaseofpowersupplybythedieselgeneratorunitofthegeneratorcar,thesupplyvoltageisusually400V(linevoltage)or230V(phasevoltage),three-phase50Hz.Powerissuppliedtotheconnectedcarriagesviaendcouplingsintwoways,andthevoltagedropofthetransmissionmainshallnotexceed

5%.Part

1Passage2)Powersupplybyoverhead

linesInChina,thevoltageofoverheadlinesintheelectrifiedsectionsis25kV,whichisconvertedto2×1,500Vbythemaintransformeroftheelectriclocomotive,andtransmittedtothetransmissionmainofthecoupledtrain,withatransmissionpowerof800

kV·A.Electrifiedoverheadlineshavethreepowersupplymodes–locomotive-basedpowersupply,powercar-basedpowersupplyandDC600V/AC380Vcompatiblepower

supply.Intheelectrifiedsections,theelectriclocomotiveconvertsthe25kVsingle-phasehigh-voltageACreceivedbythepantographtoa600VDCthroughstep-down,rectificationandfiltration,andsuppliesittotheair-conditionedcarriages,whichperformcentralizedpowersupplyanddecentralizedconversionthroughthedistribution

cabinet.Part

1PassageInthenon-electrifiedsections,theair-conditionedcarriagesdrivenbytheinternalcombustionlocomotivereceiveACpowersupplyfromahigh-powergeneratorcar,or600VDCpowersupplyfromaspecialgenerator

car.3.Mixedpower

supplyCurrently,therearemanytypesoftractionpowerforrailtransit.Inviewofsomespecialtransportconditions,excepttheabovetwopowersupplymodes,athirdmodeisnecessary,namelymixedpower

supply.Part

1Vocabulary1device [d?'va?s]n.

裝置；儀器；器具；設(shè)備2voltage ['v??lt?d?]n.

電壓；伏特?cái)?shù)3distribution [d?str?'bju??n]4independent [?nd?'pend?nt]n.

分配；分布；分發(fā)；分送；經(jīng)銷，分銷adj.獨(dú)立的；自主的；公正的；無(wú)偏見(jiàn)的Part

2Vocabulary5convert [k?n'v??t]v.

轉(zhuǎn)換；（使）轉(zhuǎn)變；（使）改變（觀點(diǎn)、習(xí)慣等）6individual [?nd?'v?d?u?]n.

個(gè)人；與眾不同的人；有個(gè)性的人；7rectification [rekt?f?'ke??n]n.

糾正；修正；矯正；校正8filtration [f?l'tre??n]n.

過(guò)濾；濾清；濾除adj.

個(gè)別的；單獨(dú)的；一個(gè)人的Part

1Notes車輛供電系統(tǒng)單獨(dú)供電柴油機(jī)接觸網(wǎng)主變壓器三相交流電內(nèi)燃機(jī)trainpowersupply

systemseparatepowersupplydieselgeneratoroverhead

linesmaintransformerthree-phaseACinternal

combustionPart

1Reference

Translation隨著人們生活水平的不斷提高及科學(xué)技術(shù)的不斷發(fā)展，車輛上電氣設(shè)備日益增多，大多安裝了空調(diào)、信息顯示設(shè)備、冰箱、彩電等，車輛功率大大增加。Withtheimprovementofpeople’slivingstandard,andthedevelopmentofscienceandtechnology,therearemoreandmoreelectricdevicesontrains.Mosttrainsareprovidedwithair-conditioners,informationdisplaydevices,refrigerators,colorTVs,etc.,increasingtrainpowerconsumptiongreatly.Part

2Traction

SystemPart2 PassageThetractiondrivesystemusuallyadoptsthedrivemodeof

AC-DC-AC.Duringtraintractionworking,electricenergyisconvertedintomechanicalenergy,andduringregenerativebraking,mechanicalenergyisconvertedintoelectric

energy.Schematicdiagramoftractiondrive

systemPart2 PassageThetractiontransformerservestoconvertthehighvoltageoftheoverheadlinesintotheoperatingvoltageofthetractionconverter,andhasalmostthesameoperatingprincipleasthatofthepowertransformer.Inthesystem,theconverterclosetothegridsideisapulserectifier,whichservesasarectifierduringtraintractionorasaninverterduringregenerativebraking.Itcanrealizequickandsmoothconversionbetweenthetwooperating

modes.Traction

transformerPart2 PassageThetractioninverteristheconverteronthedrivemotorsideofthetractiondrivesystem,

andthemostimportantcomponentinthetractiondrive

system.Duringtraintraction,theDCvoltageintheintermediateDClinkisconvertedintoa

three-phaseACvoltagecontrolledbythetractioncharacteristicandthensuppliedtothetraction

motor.Duringtrainbraking,thetractionmotorgenerateselectricity,convertsthethree-phaseACwithvaryingvoltageandfrequencyfromthetractionmotorintoaDCandthensuppliesittotheintermediateDC

link.Tractionconverter

(YGZN2Q256)Part2 PassageThemaincomponentthatrealizesthemutualconversionbetweenelectricandmechanicalenergyisthetraction.Itworksasadrivemotorinthetractionmodetoconvertelectricenergyintomechanicalenergy,andworksasageneratorinthebrakingmodetoconvertmechanicalenergyintoelectricenergy.Tractionmotor

(YJ268A)Thegearboxservesasthewheelaxleforthedrivelocomotivemainly,andusuallyconsistsofabiggearandasmallgear.Thesmallgearconnectsthetractionmotor,andthebiggearconnectsthewheelset,transmittingthemechanicalenergygeneratedbytherotorofthetractionmotortothewheelsofthelocomotivetostartandstopthe

train.Part

2Vocabulary1device [d?'va?s]n.

裝置；儀器；器具；設(shè)備2voltage ['v??lt?d?]n.

電壓；伏特?cái)?shù)3distribution [d?str?'bju??n]4independent [?nd?'pend?nt]n.分配；分布；分發(fā)；分送；經(jīng)銷，分銷adj.獨(dú)立的；自主的；公正的；無(wú)偏見(jiàn)的Part

2Vocabulary5convert [k?n'v??t]v.

轉(zhuǎn)換；（使）轉(zhuǎn)變；（使）改變（觀點(diǎn)、習(xí)慣等）6individual [?nd?'v?d?u?]n.

個(gè)人；與眾不同的人；有個(gè)性的人；7rectification [rekt?f?'ke??n]n.

糾正；修正；矯正；校正8filtration [f?l'tre??n]n.

過(guò)濾；濾清；濾除adj.

個(gè)別的；單獨(dú)的；一個(gè)人的Part

2Notes車輛供電系統(tǒng)單獨(dú)供電柴油機(jī)接觸網(wǎng)主變壓器三相交流電內(nèi)燃機(jī)trainpowersupply

systemseparatepowersupplydieselgeneratoroverhead

linesmaintransformerthree-phaseACinternal

combustionPart

2Reference

Translation牽引傳動(dòng)系統(tǒng)一般采用交—直—交傳動(dòng)形式。電力牽引交流傳動(dòng)系統(tǒng)的構(gòu)成主要有受電弓、主斷路器、牽引變壓器、牽引變流器、三相交流牽引電動(dòng)機(jī)、齒輪箱等部分。Thetractiondrivesystemusuallyadoptsthedrivemodeof

AC-DC-AC.TheelectrictractionACdrivesystemiscomposedofapantograph,amain

circuitbreaker,atractiontransformer,atractionconverter,athree-phaseACtractionmotor,

agearbox,

etc.Part

3Brake

SystemPart

3PassageThebrakesystemisthesystemusedbyatraintodecelerateorstop,andensure

drivingsafety.Thebrakesystemisfilledwithcompressedair.Theairsupplysystemconsistsofanaircompressorandamainairreservoir,andservestosupplycompressedairforthewholesystem.Theautomaticbrakevalveisthedeviceusedbythelocomotivedrivertocontrolthetrain’sbrakesystem.theairsupply

systemautomaticbrake

valveThebrakesystemthebrakeand

basicbraking

devicebrakepipe

runningPart3 PassageWhenthebrakepipeisdecompressed,theairdistributionvalvemakesthecompressedairintheauxiliaryairreservoirenterthebrakecylindertopushthepiston,sothatthe

brake

shoes firmlypressthewheeltreadthroughtheleverinthebasicbrakingdevicetoblocktherotationofthewheels,anddecelerateorstopthetrainthroughtheadhesionbetweenthewheelsand

rails.The

brakeanairdistribution

valveanauxiliaryair

reservoirabrake

cylinderPart

3 PassageThebasicbrakingdeviceiscomposedofaseriesofdrivelevers,brakebeamsandbrakeshoes

(orbrakeshoesand

discs).1.Aircompressor;2.Mainair

reservoir;3.Pipeofmainairreservoir;4.Brake

valve;5.Mainbrakepipe;6.Brake

cylinder;7.Pistonofbrakecylinder;8.Resetspringofbrake

cylinder;9.Pistonrodofbrakecylinder;10.Basic

brakingSystemdiagramoftrainbraking

devicePart

3Vocabulary1decelerate [di?'sel?re?t]v.

減速；（使）減速行駛；降低運(yùn)行速度；（使）減緩2ensure [?n'???(r)]v.

確保；保證；擔(dān)保3respectively [r?'spekt?vli] adv.

分別地；分別；各自；順序?yàn)椋灰来螢?charge [t?ɑ?d?]v.

收（費(fèi)）；給……充電；使充滿（……情緒）；注滿（玻璃杯）Part

3Vocabulary5auxiliary [??ɡ'z?li?ri]adj.

輔助的；備用的6compress [k?m'pres]7valve [v?lv]v.（被）壓緊；精簡(jiǎn)；濃縮；壓縮；壓縮（文件等）n.

閥門；閥；氣門；活門Part

3Notes空氣壓縮機(jī)總風(fēng)缸制動(dòng)閥制動(dòng)缸緩解彈簧基礎(chǔ)制動(dòng)裝置閘瓦aircompressormainairreservoirtraction

transformerresetspringofbrake

cylinderbasicbraking

devicebrakeshoePart

3Reference

Translation列車制動(dòng)系統(tǒng)是用以實(shí)現(xiàn)列車減速或停止運(yùn)行，保證行車安全的設(shè)備。制動(dòng)裝置由裝在機(jī)車上的供風(fēng)系統(tǒng)和自動(dòng)制動(dòng)閥、分裝在機(jī)車和車輛上的制動(dòng)機(jī)和基礎(chǔ)制動(dòng)裝置以及貫通全列車的制動(dòng)管（又稱剎車管）組成。Thebrakesystemisthesystemusedbyatraintodecelerateorstop，andensure

drivingsafety.Thebrakesystemiscomposedoftheairsupplysystemandautomaticbrakevalveinstalledonthelocomotive,thebrakeandbasicbrakingdeviceinstalledonthelocomotiveandcarriagesrespectively,andthebrakepiperunningthroughthewhole

train.Part

4Network

SystemPart

4 PassageAvarietyofbustechnologiesareappliedtointerconnectcomputersdistributedindifferentcarriagesandperformingcertainfunctionsindependentlytoformanindustrialLAN,andrealizesuchobjectivesasresourcesharing,collaboration,decentralizedmonitoringandcentralizedoperations.Thetraincontrolanddiagnosisinformationdatacommunicationworkisknownasthetraincommunicationnetwork(TCN)for

short.cturaldiagramof

TCNPart

4PassageThemostprominentfeatureofWTBisthatwhentrainsarereconnectedforcommunication,theycanidentifyandmarkthepositionanddirectionofeachtraininthetrainformationautomatically.MVBisusedtorealizetheinterconnectionofthecontrolunitsanddevicesina

train.TheTCNstandardstipulatesthatitadoptsamaster-slavemediumaccesscontrolbasedonabusmanagerintermsofreal-timetraincommunication,andthatitadoptsamedium-busmanagerredundancytechnologyintermsof

reliability.Part

4Vocabulary1detection [d?'tek?n]2process ['pr??ses]3monitor ['m?n?t?(r)]4identify [a?'dent?fa?]n.

偵查；探測(cè)；發(fā)現(xiàn)；察覺(jué)n.

過(guò)程；進(jìn)程；工藝流程；工序；v.

處理；加工；審閱n.

班長(zhǎng)；監(jiān)視器；監(jiān)控器；顯示屏；vt.

監(jiān)視；檢查v.

識(shí)別；鑒定；確認(rèn)；發(fā)現(xiàn)；找到；說(shuō)明身份Part

4Vocabulary5standard ['st?nd?d]6redundancy [r?'d?nd?nsi]n.

冗余；多余n.

標(biāo)準(zhǔn)；（品質(zhì)的）水平；規(guī)格；adj.

標(biāo)準(zhǔn)的；正常的Part

4Notes列車通信網(wǎng)列車總線車輛總線狀態(tài)監(jiān)測(cè)故障診斷traincommunication

networkwiretrainbusmultifunctionvehiclebusstatus

monitoringfaultdiagnosisPart

4Reference

Translation列車控制、檢測(cè)和診斷系統(tǒng)，是以車載微機(jī)為主要技術(shù)手段，對(duì)列車的運(yùn)行控制、機(jī)車控制、車輛控制、狀態(tài)監(jiān)測(cè)、故障診斷以及旅客信息服務(wù)，進(jìn)行綜合處理的應(yīng)用于列車的控制系統(tǒng)。Thetraincontrol,detectionanddiagnosissystemisacontrolsystemthatprocessesthetrain’soperationcontrol,locomotivecontrol,traincontrol,statusmonitoring,faultdiagnosis,andpassengerinformationservicescomprehensivelybasedmainlyontheonboard

microcomputer.Part5Air-conditioning

SystemPart5 PassageTheventilationequipmentusuallyadoptsamechanicallyforcedventilationmode,andisinstalledintheendceilingorceiling-mountedmodularair-conditioning

unit.Theair-conditionercontrolsystemisusedtorealizetheautomaticormanualcontrol,

protection,andfaultdisplayoftheequipmentforventilation,refrigeration,heating,humidification,

etc.1.Ventilation

equipmentThe

ventilationequipmentcentrifugal

ventilatorairreturn

ductfreshair

ductairsupply

ductPart

5Passage2.Refrigeration

equipmentTherefrigerationequipmentisusedtocoolairsuppliedintothetraininsummer,andhassomedehumidifyingeffect.Thevaporcompressionrefrigerationequipmentusedinpassengertrainsiscomposedmainlyofapistoncompressor,anair-cooledcondenser,anevaporator,expansionvalvesorcapillarythrottlingelements,

etc.Theautomaticair-conditionercontrolsystemcanstartandoperatethecompressor,

condenserandcoolingfan,maintaintheintakeandexhaustpressures,andlubricantpressureofthecompressor,etc.Tosuitchangesintheexternalclimateandpassengervolume,itcanadjusttherefrigerationcapacity

automatically.Part

5Passage3.Heating

equipmentIncoldweather,theheatingequipmentcanheatairsentintothetraintocompensatefortheheatlossofthetrainbody,doorsandwindows.Commonlyusedheatingequipmenthastwotypes:warmwaterheatersandelectric

heaters.Forheaterarrangement,electricorwarmwaterairpre-heatersareusuallyinstalledintheairtreatmentchamber,andwarmwaterradiatorpipesordecentralizedelectricheatingelements

areinstalledonthecarriage

floor.Theautomaticair-conditionercontrolsystemshouldswitchonorofftheheatingelementautomaticallybasedonthechangeintheexteriortemperatureandpassengervolumeincoldweather,andadjusttheheatingcapacitybychangingthe

heatingPart

5Passagepoweroftheelectricheaterortheamountofcirculatingwarmwaterenteringtheairpre-heatersandradiatorpipes.4.Humidifying

equipmentInwinters,apassengertrainhasasmallerpassengervolume,sothattherelativehumidityoftheinteriorairmaybelowerthan30%,andahumidifiershouldusuallybeinstalledintheairtreatmen