1 汽车专业英语课件-汽车基础知识部分-section 1汽车专业英语2版ppt课件--20180227Chapter 6 6 9-6 11

复习,提问（教师说电气系统部件名称，同学回答英文名称）用英语说明点火系统类型,学习内容,本次课学习内容、目标和重点难点,学习目标,难点重点,CruisecontrolAntiTheftAirConditioning,1.掌握巡航控制、空调的原理、主要组成系统部件的英文名称；2.了解防盗系统的主要组成、功能原理,1.重点：英文专业术语、部件英文名称2.难点需要记忆的生词偏多,Chapter6AutomotiveElectricalandElectronicSystems,6.1LeadAcidBatteryandCircuitprotectiondevices6.2ChargingSystem6.3StartingSystem6.4IgnitionSystems6.5LightingSystem6.6powerwindowsystem6.7SupplementalRestraintSystems6.8Cruisecontrolsystems6.9AntiTheftSystems6.10AirConditioning,Chapter6AutomotiveElectricalandElectronicSystems6.8Cruisecontrolsystems,6.8.1NewWordsandPhrases,Chapter6AutomotiveElectricalandElectronicSystems6.8Cruisecontrolsystems,Chapter6AutomotiveElectricalandElectronicSystems6.8Cruisecontrolsystems,Today,cruisecontrolsystemsareoperatedbyECUs.Cruisecontrolsystemsconsistofseveralcommoncomponentswhichincludevehiclespeedsensor,operatorcontrols,controlmodule,andthrottleactuator.VehicleSpeedSensor.Itisusuallymountedonthedriveshaft.Itsendsaspeedsignaltothecontrolmodule.Thespeedsensormayalsosendasignaltotheenginecontrolcomputer.OperatorControls.Theoperatorcontrolsareusedtosetthedesiredspeed.Controllocationvariesbetweenmanufacturers,butisusuallymountedontheturnsignallever.Theoperatorcansetthespeed,andcanalsomakeminoradjustmentstospeedasnecessary.Anotheroperatorcontrolisthebrakepedalreleaseswitch,usuallymountedonthebrakepedalbracket.Whenthedriverpressesonthebrakepedal,theswitchsendsasignaltothecruisecontrolmoduletodisengagethecruisecontrol.,6.8.2Text,Chapter6AutomotiveElectricalandElectronicSystems6.8Cruisecontrolsystems,ControlModule.Thecontrolmoduleprocessestheinputsfromthecontrolsandspeedsensorandproducesanoutputsignaltothethrottleactuator.ThrottleActuator.Itopensandclosesthevehiclethrottletomaintaintheoperatorsetspeed.Throttleactuatorscanbeelectricmotorsdirectlyoperatedbythecontrolmodule.Inoldervehicles,however,thethrottleactuatorisavacuumdiaphragmservoconnectedtoavacuumcontroller.Adaptivecruisecontrolcanautomaticallyadjustthevehiclespeedtothecurrenttrafficsituation.Thesystemhasthreemainaims:MaintainaspeedassetbythedriverAdaptthisspeedandmaintainasafedistancefromthevehiclesinfront.Provideawarningifthereisariskofcollision.ThemaincomponentsofadaptivecruisesystemsareshowninFigure6-19.,Chapter6AutomotiveElectricalandElectronicSystems6.8Cruisecontrolsystems,NewWords,Figure6-19Anadaptivecruisesystem,Chapter6AutomotiveElectricalandElectronicSystems6.8Cruisecontrolsystems,Theoperationofanadaptivecruisecontrolsystem(ACCS)isthesameasaconventionalsystemexceptwhenasignalfromtheheadwaysensordetectsanobstruction,inwhichcasethevehiclespeedisdecreased.Iftheoptimumstoppingdistancecannotbeachievedbyjustbackingoffthethrottle,awarningissuppliedtothedriver.Amorecomplexsystemcanalsotakecontrolofthevehicletransmissionandbrakesbutthis,whileverypromising,isfurtherbehindindevelopment.Itisimportanttonotethatadaptivecruisecontrolisdesignedtorelievetheburdenonthedriver,nottakefullcontrolofthevehicle!,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,6.9.1NewWordsandPhrases,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,NewWords,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,1.CentrallockingsystemThissystemisusedtolockandunlockalldoors,bootlid/tailgateandfuelfillerdoor.Centrallockingsystemsaredividedintoelectricandelectric-pneumaticsystem.Electriccentrallockingsystemuseselectricactuators-doorlockmotors（Figure6-20）orsolenoids.Intheelectric-pneumaticcentrallockingsystem,lockingandunlockingthedoorsisperformedbyelectric-pneumaticactuators(Figure6-21)whicharesuppliedwithvacuumorpressurebyadual-pressurepump(containedinapneumaticcontrolunit).Thecomponentsoftheelectricandelectric-pneumaticcentrallockingsystemsareshowninFigure6-22andFigure6-23.,6.9.2Text,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,Figure6-20Aelectricactuator,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,Figure6-21Aelectric-pneumaticactuator,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,Figure6-22Aelectriccentrallockingsystem,Figure6-23Aelectric-pneumaticcentrallockingsystem,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,2.EngineimmobilizerThisisanelectronicsystemthatpreventsunauthorizedpersonsfrombringingtheengineintooperation.Thissystemconsistsofacontrolunitand,dependingonthemanufacture,eitherahandheldtransmitteroratransponder.Thetranspondercanbeintegratedinaelectronickeyorchipcard.SystemoverviewofimmobilizerisgiveninFigure6-24.PartlocationofacommonengineimmobilizerisshowninFigure6-25,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,Figure6-24Systemoverviewofimmobilizer,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,Figure6-25Partlocationofacommonengineimmobilizer,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,3.AalarmsystemAnalarmsystemtriggersopticalandacousticwarningsignalsintheeventofunauthorizedinterventionorimpact.Thesystemwillbetriggeredby:unauthorisedopeningofdoors,bootlid,tailgateorbonnetintrusionintointeriorkeywithinvalidtranspondercodeinsertedinignitionlockradioremovedalarmhornremovedintrusionsensorremovedchangetovehicleposition,Chapter6AutomotiveElectricalandElectronicSystems6.9AntiTheftSystems,Figure6-26Systemoverviewofalarmsystem,Chapter6AutomotiveElectricalandElectronic