路虎空气悬挂系统PPT课件

5/25/2020,.,Slide2,Airsuspensionsystem,5/25/2020,.,Slide3,空气悬挂系统,由PAG中国刘智翻译,AirSuspensionSchematic,RHD,5/25/2020,.,Slide5,空气悬挂示意表,右驾车,AirSuspensionRelayandFuses,RelayR7(70amp-Black-N.O)(BJB)Fuse26(20amp-Yellow)(BJB)-BatteryFuse51(5amp-Brown)(CJB)-Ignition,5/25/2020,.,Slide7,空气悬挂继电器和保险丝,继电器R7(70A黑色-N.O)(BJB)保险丝26(20A黄色)(BJB)-电瓶保险丝51(5A棕色)(CJB)点火开关,.,AirSuspension,DesignObjectives:DeliverFastactingsystemoverlargewheeltravelsliftingandloweringConsistentperformanceoverallvehicleenvironments-AltitudeElectronicallycontrolledsystemwithenhancedon-boarddiagnosticsProvidevehiclelevellingindependentofloadMultiplerideheightsOffRoadStandardAccess(Crawl)Enhancedoffroadperformance.,L319:nomotorwayheightloweringL320:withmotorwayheightlowering,.,空气悬挂,设计目标:设计成能够在较大的轮胎行程内进行快速反应的悬架系统（包括举升和下降）在各种外部环境下空气悬挂系统的性能都很稳定（包括各种海拔高度的地区）电子控制系统，并带有改进的车载诊断功能。在各种车辆负载下都能够提供车辆水平高度的调节多种驾乘高度越野模式标准模式进入模式(爬行)提高了越野的性能,L319：取消了高速公路行驶时高度下降的功能L320：仍具备高速公路行驶时高度下降的功能,5/25/2020,.,Slide10,SuspensionSystems,5/25/2020,.,Slide11,悬挂系统,5/25/2020,.,Slide12,AirSuspensionUnits,Discovery3SpringoverdamperdesignconceptTwintubedamperwithdoublebondedlowerbushandweldedspringseatDoublebonded,dualpathtopmountwithseparatesinglebondedreboundbushFrontandrearairspringshavea2.5mmrubbersleevewithanyloncrossfibreplycrimpedtosteelpistonandtopmountTherubbersleevehasanaluminiumcylindercrimpedarounditPolyurethanespringaid/bumpstop.,5/25/2020,.,Slide13,空气悬挂单元,Discovery3弹簧在减震器之上的设计概念双管减震器带双重胶合的下衬套和焊接的弹簧座双重胶合、双管路的顶端依附着一个独立的单重胶合的回弹衬套前后空气弹簧有一个2.5mm的橡皮套管，并带一在钢活塞和顶端支撑上卷绕着尼龙的交叉纤维层橡皮轴套有一个铝制的圆筒围绕着它聚亚安酯弹簧辅助/弹跳止推块,NSR,5/25/2020,.,Slide15,SuspensionSystem,RangeRoverSportfourcornerairsuspensionasDiscovery3except:MonotubedamperForimprovedhandlingandbodycontrolImprovedhighspeeddampingDifferentairspringanddamperassembliesbetweenvehicleswithorwithoutDynamicResponseNocoilspringoptionavailable.,5/25/2020,.,Slide16,悬挂系统,RangeRoverSport配备的四轮独立空气悬挂系统和发现3基本相同，除了：单管路减震器为了提高驾驶操控性和车身控制为了提高高速行驶时的减震性能在配备动态反应控制和不配备动态反应控制的车型上所装的气簧减震器总成是不同的。所有款式都是标配空气弹簧，没有螺旋弹簧。,5/25/2020,.,Slide17,SuspensionSystem,RangeRoverSportServiceNote?IftheDealerthinkshehasaleakingairspringheshouldcontacttheLRhelpdeskLRhelpdeskmaythengivethedealerauthoritytoinstallagaitor,similartothatfittedtotherearairdamperassemblyTheleakingairspringmustbereturnedtoLRforinvestigationLRhelpdeskwillhavetohaveengineeringconsentbeforegivingthedealerauthoritytofitthecomponent.,5/25/2020,.,Slide18,悬挂系统,RangeRoverSport维修注意事项：如果在维修过程中怀疑空气弹簧有泄漏，要及时联系厂家技术支持。技术支持视情况而定，有可能会提供安装一个橡胶套筒，此套筒和后气簧的外部套筒是一样的。换下来的漏气弹簧必须送回厂家进一步检验技术支持部必需在征得工程部同意的情况才能允许经销商安装橡胶套筒。,5/25/2020,.,Slide19,SuspensionSystem,VehicleSpeedLowering-RangeRoverSportOperatesafter5secondsofdrivingat100mphReducesheightby20mmImproveshighspeedhandlingNoinstrumentdisplaywarningforthedriverRisesagainafterdriving80mphfor30secondsFunctioncancellediftrailersocketconnected.,5/25/2020,.,Slide20,悬挂系统,RangeRoverSport高速行驶时悬挂高度降低模式在车速超过100mph并保持5秒钟以上时启用悬挂高度降低20mm提高高速行驶时的操控性仪表台没有提示驾驶员的报警灯在车速低于80mph并保持30秒以上时悬架高度升高如果有拖车，本功能不会启用,5/25/2020,.,Slide21,SuspensionSystem,DifferentairsuspensioncontrolunitsRangeRoverSporte.g.withorwithoutDynamicResponseAirsuspensioncontrolunitContainssoftwareforServotronictransducerModifiedDiscovery3airharnessesDuetoshorterchassis.,5/25/2020,.,Slide22,悬挂系统,RangeRoverSport空气悬挂电脑不同：例如车辆配置动态响应系统与否空气悬挂电脑其中还包括Servotronic传感器控制阀的控制软件空气管路基于Discovery3基础上有所更改因为底盘长度缩短,.,AirSuspension,AirSpringandDamperAssemblies:KeyFeaturesGuidedAirSpringoverdamperduetoworkingpressuresImprovedridecharacteristicovernonguidedAirSpringsBurstpressure35barNormalrunningpressures:Front:8-10barRear:58barMaxspringpressure(FullbumpGVW)circa27barAirSpringguideAllowsgreaterdamperarticulationwithouttrappingairsleeve.,.,空气悬挂,空气弹簧和减震器总成:主要功能在减震器操上方的带导向的空气弹簧由于空气工作压力与不带导向的空气弹簧相比提高了驾乘操控性气簧破裂压力为35bar正常的运行压力:前:8-10bar后:58bar最大弹簧压力(在全车重的状态下且悬挂和底盘距离最近时）为27bar带导向的空气弹簧在不使空气套管褶皱过大的前提下，是悬挂系统具有更大的上下行程。,.,AirSuspension,AirSpringandDamperAssemblies:KeyairspringsealingpointsPistontodamperbodyKeyServiceIssues:Component/systemdepressurisationComponent/systemre-pressurisationCarerequiredwhenremoving/refittingairspring/damperassemblytoensuresealsarenotdamaged.,.,空气弹簧,空气弹簧和减震器总成:空气弹簧的关键密封点活塞到减震器壳体关键的维修信息:零件/系统的卸压零件/系统的再充压需要注意的是在拆除或重新安装空气弹簧或减震器总成的时候，请确保密封圈没有损坏。,.,AirSuspension-ECU,UniquecomponentLocatedbehindfaciaonbodysidepanel(Apostdriversside)FixedtovehiclebodywithtwoplasticclipsandsingleM8screwRequirescalibrationifreplaced.,.,空气悬挂模组,单一的零件位于在车体侧面板上的饰板后面(A柱驾驶员侧)以两个塑料夹子和一个单独的M8螺丝钉固定在车体上假如更换了需要重新校正悬架系统,5/25/2020,.,Slide29,HeightControl,LongPress=Locked=CrawlMode,5/25/2020,.,Slide30,高度控制,长按=锁定模式=爬行模式,.,DriverInterface,HeightsindicatedbyuniquesymbolsOffroad55mmaboveStandardAccess50mmdownfromStandardReselectablewhilstvehiclemovingExtendedModeAutomaticallyselectedCrawlindicatedas“LockedatAccess”DirectionofmovementindicatedbyarrowsFlashinglampsnotusedduringnormaloperationcustomerfeedbackresponseRemoteoperationviacustomerconfigurablehandset1of3availablesettingsAdditionalinformationviamessagecentre.,Speedforeachmodeshowninworkbook,.,驾驶员面板,由独特的符号指示高度越野模式超过了标准高度55mm入门模式比标准模式降低了50mm当车辆在移动的过程可以重新选择伸展模式为系统自动选择爬行模式显示为“锁定在入门模式”悬挂运动的方向由箭头指示在正常操作下，不使用闪光灯进行指示客户不需要反馈响应经客户的手动设置，遥控器可以遥控操作提供的三种设定。附加额外信息经过信息中心来显示,每个模式的车速数据展示在车间手册上,5/25/2020,.,Slide33,MessageCentre,ExampleMessageCentreDisplay,5/25/2020,.,Slide34,信息中心,信息中心显示举例,5/25/2020,.,Slide35,FaultIndicator,IndicatorAmber=MinorFaultDetected,IndicatorRed=MajorFaultDetected,5/25/2020,.,Slide36,故障指示器,指示琥珀色=小故障警示,指示器红色=大故障警示,.,AirSupplyUnitAssembly,EvolutionofexistingunitforLandRoverapplicationLocatedonlefthandchassisrail(infrontofrearwheel)Assemblycomprises:AircompressorwithintegralAirdrierIsolationmountsExhaustValve(electricallyswitchedpilotoperated)DoubletemperaturesensorsmaximisingdutycycleavailableECUcontrolledMaxpressure:16.8bar(nominal)Acousticboxfornoisecontrol.,.,供气单元总成,目前的单元是路虎技术的改进位于左侧的底盘横梁上(后轮的前方)总成包含:空气压缩机整合了空气干燥剂隔离支撑排气阀(电子开关操纵控制)双温度传感器提供最大的负载循环模组控制最大的压力:16.8bar(额定的)消音盒提高了噪音控制能力,.,Reservoir,TwinchamberdesigntoEUpressurevesselguidelinesVolume:9litresWorkingpressure:17.5bar(23max)Locatedoffbodymountbracketsonlefthandchassisrail.,.,蓄压器,双腔式的设计满足欧洲相应法规标准容积:9升工作压力:17.5bar(23最大值)位于在左侧的底盘横梁上的车体底下,5/25/2020,.,Slide41,SuspensionSystem,AdditionalheatshieldingRangeRoverSportShorterpipes,5/25/2020,.,Slide42,悬挂系统,额外的隔热层RangeRoverSport更短的空气管路,.,AirSuspension,ValveBlocks:Frontaxleblockassemblymountedonfrontbumper2xfrontindividualsolenoidoperatedcornervalves1xfrontcrosslinkvalve,RearaxleblockassemblymountedonLHRspringtower2xrearcornervalvesand1xcrosslinkvalveasperfrontVossairfittings.,.,空气悬挂,阀体组件:前车桥的阀体总成依附在前保险杠上2个前独立的电磁阀操纵角阀1个前横向连接阀,后车桥的阀体组依附在LHR的弹簧柱塔旁2个后角阀和1个横向连接阀（就如前面的一样）快速空气管路接头便于安装,.,AirSuspension,Reservoirvalveblockassembly:PressuresensorinmanifoldtomonitorspringpressuresandreservoirpressureMountedonisolatorstoreducevalvenoiseVossairfittings.,.,空气悬挂,蓄压器阀体总成:在多支管上的压力传感器上监测弹簧压力和蓄压器压力固定在隔离器上减少阀体噪音快速空气管路接头以便安装,.,AirSuspension,AirHarness:Intake&exhaustpipeslargerIntakeviafilteratrearofvehicle(DiscoveryIIButondryside)Twinchamberfoamfilledsilencerforintakeandexhaustnoisecontrol.,Insiderearquarterpanel,.,空气悬挂,空气管路:进气&排气管子更粗大进气经过车辆后面的滤清器(和DiscoveryII相同但位置在干燥侧)有双腔的泡沫填充消音器以提供进气和排气的噪音控制,车体后部左内侧板上,空气悬挂的示意图,AirSuspension,AirSuspensionSchematic,AirSuspension,空气悬挂的示意图,.,AirSuspension,HeightSensors:Contactingtechnologyunit4HeightsensorspervehicleSupplyvoltage=5voltsOutputvoltage=0.5vto4.5vBodydown=VoltageupOrArmup=Voltageup,6pinsonly3used,Armserviceable,Black=RHWhite=LH,HeightmessagesentoverCANforXenonheadlamps,.,空气悬挂,高度传感器:采用接触技术每台车4个高度传感器供电电压=5volts输出电压=0.5v至4.5v车体下降=电压上升或者摇臂上升=电压升高,6针脚只有3个使用,摇臂可更换,黑色=右边白色=左边,高度信息经CAN网络提供给氙气大灯控制模块,.,AirSuspension,HeightSensors(continued)SensorsmountedtobracketsonchassisframesiderailsDroplinksareconnectedtosuspensionarmswithoutfixingsHeightsensorreplacementorremovalandrefittingwillresultintheAirSuspensionsystemECUrequiringcalibration.,LHR,.,空气悬挂,高度传感器（续）传感器依附在底盘车架的侧横梁上。没有固定件，下落的连杆被连接到悬挂的摇臂上。高度传感器的更换或拆除和重新安装将会导致空气悬挂系统模组需要重新校正。,LHR,OSF,NSR,.,HeightSensorsRangeRoverSportNewinstallationforfrontheightsensorsNewsensorleveranddroplinkCommonfrontsensorLefttoRightRearsensorscarryoverDiscovery3Outputvoltage=0.5vto4.5vAllfourcornersto0.5vwithbumptravel.,SuspensionSystem,.,RangeRoverSport高度传感器新的前高度传感器新的传感器横链接杆和吊杆左右前高度传感器相同两个后传感器和Discovery3一样输出电压=0.5v至4.5v当悬挂和车身距离最近时，高度传感器的输出电压是0.5v。,悬挂系统,5/25/2020,.,Slide60,4.5v,Zero2.5v,0.00v,BodyDown=ArmUp=Bump=RingC/W-4.5voltsBodyUp=ArmDown=Rebound=RingA/C/W-0.5volts,HeightSensors,5/25/2020,.,Slide61,4.5v,Zero2.5v,0.00v,车体下降=摇臂上升=（轮胎）上冲=顺时针转-4.5V车体上升=摇臂下降=（轮胎）回弹=反时针转-0.5V,高度传感器,5/25/2020,.,Slide62,4.5v,Zero2.5v,0.00v,BodyDown=ArmUp=Bump=RingA/C/W-4.5voltsBodyUp=ArmDown=Rebound=RingC/W-0.5volts,HeightSensors,5/25/2020,.,Slide63,4.5v,Zero2.5v,0.00v,车体下降=摇臂上升=（轮胎）上冲=反时针旋转-4.5V车体上升=摇臂下降=（轮胎）回弹=顺时针旋转-0.5V,高度传感器,5/25/2020,.,Slide64,4.5v,Zero2.5v,0.00v,BodyDown=ArmUp=BumpBodyUp=ArmDown=Rebound,HeightSensors,Zero2.5v,5/25/2020,.,Slide65,4.5v,Zero2.5v,0.00v,车体下降=摇臂上升=（轮胎）上冲车体上升=摇臂下降=（轮胎）回弹,高度传感器,Zero2.5v,5/25/2020,.,Slide66,4.5v,Zero2.5v,Zero2.5v,0.00v,TwinChannelSensor,i.e.TwoRamps(1notused),HeightSensors,5/25/2020,.,Slide67,4.5v,Zero2.5v,Zero2.5v,0.00v,双频道的传感器,举例.两坡道(没有使用),高度传感器,AirSuspensionSchematic,5/25/2020,.,Slide69,SuspensionSystems,WakeUpModeSystemwakesup2hoursaftertheignitionswitchedoffThenagaineverysixhours(untilaccessheightreached,thenstops)DuringthiswakeupperiodthesystemwillmakesmalladjustmentstolevelthevehicleLevellingonlyoccursinadownwarddirectionTransportationModeRequiresT4toremovefromthismode.,5/25/2020,.,Slide70,悬挂系统,唤醒模式在点火开关关闭后2小时系统将自动唤醒然后每隔六小时再次唤醒(直到悬挂达到入门高度后再停止)在这个模式下，系统将进行一些小的调整以调平车辆高度调平高度只会向下调整运输模式需要用T4改变这种模式,5/25/2020,.,Slide71,RideHeightAdjustment,WhenshouldwecarryoutRideHeightAdjustment(Calibration)?ReplacementofairsuspensioncontrolmoduleHeightsensorisremovedorreplacedSuspensionarmtowhichthesensorisfittedisremovedorreplacedWheelgeometry/alignmentadjustmenthasbeenconducted.,5/25/2020,.,Slide72,悬挂高度调整,什么时候需要进行悬挂高度的调整（标定）？更换空气悬挂电脑模组更换高度传感器更换高度传感器所附着的悬挂控制臂进行四轮定位调整以后,5/25/2020,.,Slide73,RideHeightAdjustment,PreliminarychecksMakesurewheels,tyres,tierodsends,suspensionjoints,wheelbearingsarefreefromdamage,wearandfreeplayTyrepressuresarewithinspecificationTherearenoheavyobjectsinthevehicleRideheightmeasurementsaretakenwiththevehiclesupportedbythesuspensionWiththeenginerunningandalldoorsclosed,ensureallairsuspensionfunctionsareoperatingthevehiclecanberaisedandloweredusingtheairsuspensionswitchVehicleonaflatlevelsurface,steeringinstraightaheadpositionLeavesysteminnormalrideheight.,5/25/2020,.,Slide74,悬挂高度调整,预备事项（检查）：确保轮毂、轮胎、转向横拉杆端部、悬挂控制臂连接处、轮毂轴承等处无损伤变形、磨损以及有足够的自由度。轮胎压力在规定范围之内车上没有过分载重悬挂高度测量是在车辆四轮着地的情况下进行的在发动机运转以及所有车门关闭的情况下，确保所有空气悬挂的功能都正常工作，即可用空气悬挂开关升降车辆车辆所处平面水平，转向在中间位置。悬挂高度在正常高度。,5/25/2020,.,Slide75,RideHeightAdjustment,VehicleliftmethodAllmeasurementsmustbemadetoapositionatthesamelevelasthevehicleliftplatform.,5/25/2020,.,Slide76,悬挂高度调整,车辆举升方法所有高度测量的基准点都要处于和车辆轮子触地平面相同的平面内,5/25/2020,.,Slide77,RideHeightAdjustmentTool,Multipieceheighttool,Arrowindicatesmeasurementpoint,Morethanonemeasuringpoint,Toolnumber:204557/1to204557/7(sevenitems).,5/25/2020,.,Slide78,高度调整工具,多件套的高度调整工具,箭头指示测量点,一个以上的测量点,工具号码