路虎空气悬挂系统doc课件.ppt

1、Air suspension system空气悬挂系统空气悬挂系统由PAG中国刘智翻译 Air Suspension SchematicRHD空气悬挂示意表空气悬挂示意表右驾车Air Suspension Relay and FusesRelay R7 (70 amp-Black-N.O)(BJB)Fuse 26 (20 amp-Yellow)(BJB)-BatteryFuse 51 (5 amp-Brown)(CJB)-Ignition空气悬挂继电器和保险丝继电器继电器 R7 (70 A 黑色黑色-N.O)(BJB)保险丝保险丝 26 (20 A 黄色黄色)(BJB)-电瓶电瓶保险丝保险丝

2、51 (5 A 棕色棕色)(CJB)点火开关点火开关Air SuspensionDesign Objectives:Deliver Fast acting system over large wheel travels lifting and loweringConsistent performance over all vehicle environments-AltitudeElectronically controlled system with enhanced on-board diagnosticsProvide vehicle levelling independent of l

3、oad Multiple ride heightsOff RoadStandard Access(Crawl)Enhanced off road performance.L319:no motorway height loweringL320:with motorway height lowering空气悬挂设计目标设计目标: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

4、了越野的性能L319：取消了高速公路行驶时高度下降的功能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：仍具备高速公路行驶时高度下降的功能Suspension Systems悬挂系统悬挂系统Air Suspension UnitsDiscovery 3Spring over damper design conceptTwin tube damper with double bonded lower bush and welded spring seatDouble bonded,dual path top mount with separate single b

5、onded rebound bushFront and rear air springs have a 2.5mm rubber sleeve with a nylon cross fibre ply crimped to steel piston and top mountThe rubber sleeve has an aluminium cylinder crimped around itPolyurethane spring aid/bump stop.空气悬挂单元Discovery 3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

6、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NSRSuspension System Range Rover Sport four corner air suspension as Discovery 3 except:Mono tube damper For improved handling and body control Improved high speed damping Different air spring and damper assemblies

7、 between vehicles with or without Dynamic Response No coil spring option available.悬挂系统悬挂系统 Range Rover Sport 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。Suspension SystemRange Rover Sport Service Note?If the Dealer thinks h

8、e has a leaking air spring he should contact the LR helpdesk LR helpdesk may then give the dealer authority to install a gaitor,similar to that fitted to the rear air damper assembly The leaking air spring must be returned to LR for investigation LR help desk will have to have engineering consent be

9、fore giving the dealer authority to fit the component.悬挂系统悬挂系统Range Rover Sport 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。Suspension System Vehicle Speed Lowering-Range Rover Sport Operates after 5 seconds of dr

10、iving at 100 mph Reduces height by 20mm Improves high speed handling No instrument display warning for the driver Rises again after driving Function cancelled if trailer socket connected.悬挂系统悬挂系统 Range Rover Sport 高速行驶时悬挂高度降低模式高速行驶时悬挂高度降低模式 在车速超过100 mph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

11、警灯 在车速低于80 mph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Suspension System Different air suspension control units Range Rover Sport e.g.with or without Dynamic Response Air suspension control unit Contains software for Servotronic transducer Modified Discovery 3 air harnesses Due to shorter chassis.悬挂系统悬挂系统 Range

12、 Rover Sport 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Discovery 3基础上有所更改 因为底盘长度缩短 Air SuspensionAir Spring and Damper Assemblies:Key FeaturesGuided Air Spring over damper due to working pressuresImproved ride characteristic over non guided Air SpringsBurst pressure 35 barNorm

13、al running pressures:Front:8-10 bar Rear:5 8 barMax spring pressure(Full bump GVW)circa 27 bar Air Spring guideAllows greater damper articulation without trapping air sleeve.空气悬挂空气弹簧和减震器总成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 35 bar正常的运行压力:前:8-10 bar后:5 8 bar最大弹簧压力(在全车重

14、的状态下且悬挂和底盘距离最近时）为27 bar 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。Air SuspensionAir Spring and Damper Assemblies:Key air spring sealing pointsPiston to damper bodyKey Service Issues:Component/system depressurisationComponent/system re-pressurisationCare required when removing/refitting air spring/dampe

15、r assembly to ensure seals are not damaged.空气弹簧空气弹簧和减震器总成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。Air Suspension-ECUUnique componentLocated behind facia on body side panel(A post drivers side)Fixed to vehicle body with two plastic clips and

16、single M8 screwRequires calibration if replaced.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假如更换了需要重新校正悬架系统Height ControlLong Press=Locked=Crawl Mode高度控制长按=锁定模式=爬行模式Driver InterfaceHeights indicated by unique symbolsOff road 55 mm above StandardAccess 50 mm down from St

17、andardReselectable whilst vehicle movingExtended ModeAutomatically selectedCrawl indicated as“Locked at Access”Direction of movement indicated by arrowsFlashing lamps not used during normal operation customer feedback responseRemote operation via customer configurable hand set 1 of 3 available setti

18、ngsAdditional information via message centre.Off Road HeightNormal HeightAccess HeightCrawlVehicle RaisingVehicle LoweringSpeed for each mode shown in workbook 驾驶员面板由独特的符号指示高度由独特的符号指示高度越野模式 超过了标准高度55 mm 入门模式 比标准模式降低了50 mm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

19、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Off Road HeightNormal HeightAccess HeightCrawlVehicle RaisingVehicle Lowering每个模式的车速数据展示每个模式的车速数据展示在车间手册上在车间手册上Message CentreExample Message Centre Display信息中心信息中心显示举例Fault IndicatorIndicator Amber=Minor Fault DetectedIndicator Red=Major Fault Detected故障指示器

20、故障指示器指示 琥珀色琥珀色=小故障警示指示器 红色红色=大故障警示Air Supply Unit AssemblyEvolution of existing unit for Land Rover applicationLocated on left hand chassis rail (in front of rear wheel)Assembly comprises:Air compressor with integralAir drierIsolation mountsExhaust Valve(electrically switched pilot operated)Double t

21、emperature sensors maximising duty cycle availableECU controlledMax pressure:16.8 bar(nominal)Acoustic box for noise control.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:16.8 bar(额定的)消音盒提高了噪音控制能力ReservoirTwin chamber design to EU pressure vess

22、el guidelinesVolume:9 litresWorking pressure:17.5 bar(23 max)Located off body mount brackets on left hand chassis rail.蓄压器双腔式的设计满足欧洲相应法规标准容积:9 升升工作压力:17.5 bar(23 最大值最大值)位于在左侧的底盘横梁上的车体底下 Suspension System Additional heat shielding Range Rover Sport Shorter pipes悬挂系统悬挂系统 额外的隔热层 Range Rover Sport 更短的空气

23、管路Air SuspensionValve Blocks:Front axle block assembly mounted on front bumper2x front individual solenoid operated corner valves1x front cross link valveRear axle block assembly mounted on LHR spring tower2x rear corner valves and 1x cross link valve as per front Voss air fittings.空气悬挂阀体组件阀体组件:前车桥的

24、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Air SuspensionReservoir valve block assembly:Pressure sensor in manifold to monitor spring pressures and reservoir pressureMounted on isolators to reduce valve noiseVoss air fittings.空气悬挂蓄压器阀体总成蓄压器阀体总成:在多支管上的压力

25、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Air SuspensionAir Harness:Intake&exhaust pipes largerIntake via filter at rear of vehicle(Discovery II But on dry side)Twin chamber foam filled silencer for intake and exhaust noise control.Inside rear quarter panel空气悬挂空气管路空气管路:进气&排气管子更粗大进气经过车辆后面的滤清器(和和Discov

26、ery II 相同相同 但位置在干但位置在干燥侧燥侧)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Air SuspensionAir Suspension SchematicAir Suspension空气悬挂的示意图Air SuspensionHeight Sensors:Contacting technology unit4 Height sensors per vehicleSupply voltage=5 volts Output voltage=0.5v to 4.5vBody down=Voltage up OrArm up=Voltage u

27、p6 pins only 3 usedArm serviceableBlack=RHWhite=LHHeight message sent over CAN for Xenon headlamps空气悬挂高度传感器高度传感器:采用接触技术每台车4个高度传感器供电电压=5 volts 输出电压=0.5v 至 4.5v车体下降车体下降=电压上升电压上升 或者摇臂上升摇臂上升=电压升高电压升高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Air SuspensionHeight Sensors(continued)Sensors mounted to

28、 brackets on chassis frame side railsDrop links are connected to suspension arms without fixingsHeight sensor replacement or removal and refitting will result in the Air Suspension system ECU requiring calibration.LHR空气悬挂高度传感器（续）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高度传感器的更换或

29、拆除和重新安装将会导致空气悬挂系统模组需要重新将会导致空气悬挂系统模组需要重新校正。校正。LHROSFNSRHeight Sensors Range Rover SportNew installation for front height sensorsNew sensor lever and drop linkCommon front sensor Left to RightRear sensors carry over Discovery 3 Output voltage=0.5v to 4.5vAll four corners to 0.5v with bump travel.Suspe

30、nsion SystemRange Rover Sport 高度传感器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 Discovery 3 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。悬挂系统悬挂系统4.5vZero 2.5v0.00vBody Down=Arm Up=Bump=Ring C/W-4.5 voltsBody Up=Arm Down=Rebound=Ring A/C/W-0.5 voltsHeight Sensors4.5vZero 2.5v0.00v车体下降=摇臂上升=（轮胎）上冲=顺时针

31、转-4.5 V车体上升=摇臂下降=（轮胎）回弹=反时针转-0.5 V高度传感器4.5vZero 2.5v0.00vBody Down=Arm Up=Bump=Ring A/C/W-4.5 voltsBody Up=Arm Down=Rebound=Ring C/W-0.5 voltsHeight Sensors 4.5vZero 2.5v0.00v车体下降=摇臂上升=（轮胎）上冲=反时针旋转-4.5 V车体上升=摇臂下降=（轮胎）回弹=顺时针旋转-0.5 V高度传感器 4.5vZero 2.5v0.00vBody Down=Arm Up=Bump Body Up=Arm Down=Reboun

32、dHeight SensorsZero 2.5v4.5vZero 2.5v0.00v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Zero 2.5v4.5vZero 2.5vZero 2.5v0.00vTwin Channel Sensor,i.e.Two Ramps(1 not used)Height Sensors4.5vZero 2.5vZero 2.5v0.00v双频道的传感器双频道的传感器,举例举例.两坡道两坡道(没有使用没有使用)高度传感器Air Suspension SchematicSuspension SystemsWake Up Mode Sy

33、stem wakes up 2 hours after the ignition switched off Then again every six hours(until access height reached,then stops)During this wake up period the system will make small adjustments to level the vehicle Levelling only occurs in a downward directionTransportation Mode Requires T4 to remove from t

34、his mode.悬挂系统悬挂系统唤醒模式唤醒模式 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运输模式 需要用T4 改变这种模式Ride Height AdjustmentWhen should we carry out Ride Height Adjustment(Calibration)?Replacement of air suspension control module Height sensor is removed or replaced Suspen

35、sion arm to which the sensor is fitted is removed or replaced Wheel geometry/alignment adjustment has been conducted.悬挂高度调整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Ride Height AdjustmentPreliminary checks Make sure wheels,tyres,tie rods ends,suspension joints,wheel bea

36、rings are free from damage,wear and free play Tyre pressures are within specification There are no heavy objects in the vehicle Ride height measurements are taken with the vehicle supported by the suspension With the engine running and all doors closed,ensure all air suspension functions are operati

37、ng the vehicle can be raised and lowered using the air suspension switch Vehicle on a flat level surface,steering in straight ahead position Leave system in normal ride height.悬挂高度调整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

38、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。Ride Height AdjustmentVehicle lift method All measurements must be made to a position at the same level as the vehicle lift platform.悬挂高度调整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Ride Height Adjustment ToolMulti piece height toolArr

39、ow indicates measurement pointMore than one measuring pointTool number:204 557/1 to 204 557/7(seven items).高度调整工具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:204-557/1 到 204557/7（共7件）Ride Height Adjustment Make sure the vehicle does not move once positioned to take readings Follow the on screen instructions

40、on WDS/T4 to carry out the measurements Using the special tool components as shown:Record the height settings from each wheel centre to the level floor.高度调整高度调整 当准备好测量高度读数时，确保车辆固定不动。按照WDS/T4屏幕上的提示进行操作。按照右图所示正确使用专用工具。测量并记录各轮毂中心点到标准平面间的垂直距离。Ride Height Adjustment Using the special tool components as s

41、hown:Record the height setting from each front lower arm front bolt head to the level surface Using the special tool components as shown:Record the height settings from each rear lower arm rear bolt head to the level surface.悬挂高度调整悬挂高度调整 使用右图所示的专用工具组件：测量并记录左右前下控制臂前螺母到标准平面的距离。使用右图所示的专用工具组件：测量并记录左右后下控

42、制臂后螺母到标准平面的距离。Ride Height Adjustment Follow the instructions on WDS/T4 and enter the recorded data Note:it may be necessary to repeat these operations before calibration is completed successfully Care point:do not exit T4 calibration program without entering height data DTC will be logged system inoperative loss of height data in ECU.悬挂高度调整悬挂高度调整 按照WDS/T4的提示进行操作，并记录读取的数据。注意：可能需要多次重复以上操作直到高度标定工作完全成功。特别注意：在输入高度数据之前不要退出特别注意：在输入高度数据之前不要退出T4的空气悬挂标定程序。否则将会产的空气悬挂标定程序。否则将会产生生DTC，空气悬挂系统失效，电脑里的高度数据丢失！，空气悬挂系统失效，电脑里的高度数据丢失！感谢你的参与空气悬挂部分结束