住友挖掘机综合参考电气基础

BETT&INSITETraining

电控发动机基础培训Coursecontents/本课程主要内容：BETT基本电工理论及故障诊断排除INSITE5.4INSITE5.4介绍INSITE6.XINSITE6.X介绍BasicElectricalTheory&Troubleshooting

基本电工理论及故障诊断与排除Objective本课程主要内容：BasicElectricalTheory基本电工理论DigitalMulti-meterUsage数字万用表的使用ElectronicCircuits电路ElectronicControlSystemfamiliarization发动机电控系统ElectronicDiagramUsage电路图的使用ElectricalWiring电控系统线束ElectricalTroubleshootingLogicalSteps

电控系统故障诊断步骤GatherInformation了解情况AnalyzeInformation分析原因PerformTests进行测试PerformRepairs进行维修Retest着车试验BasicElectricalTheory

基本电工理论Definebasicelectricalterms明确基本电工术语Definebasicelectricalconcepts明确电学基本概念ExplainVoltage,Current,Resistance阐述电压，电流，电阻Ohm’slaw欧姆定律Electricshock

触电Electricshock触电DigitalMulti-meterFeature

数字式万用表特性Auto-range自动量程特性RangeHoldorManualHold量程保持特性Touchhold数据保持特性DigitalMulti-meterUsage

数字式万用表的用途Totakevoltage测量电压Totakecurrent测量电流Totakeresistance测量电阻Totestadiode测试二极管ElectricalCircuits

电路Acompletecircuit完整电路Circuittypes电路类型Calculatevoltage,currentandresistance电路参数计算Troubleshootingshortcircuits,opencircuits,andhighresistancecircuits电路故障诊断：短路，断路及高电阻Differenttypesofelectricalcircuits

不同类型的电路Seriescircuit/串联电路I=I1=I2U=U1+U2R=R1+R2Parallelcircuit/并联电路U=U1＝U2I=I1＋I21/R=1/R1+1/R2Series/Parallelcircuit串/并联电路Parallelcircuit/并联部分U=U1＝U2I=I1＋I21/R=1/R1+1/R2Seriescircuit/串联部分I=I1=I2U=U1+U2R=R1+R2ElectronicControlSystem

Familiarization

电子控制系统介绍Inputdevice/输入设备Sensors/传感器输入Switches/开关输入ElectronicControlModuleorECM/电子控制模块microprocessor/微处理器Memory/存储器Outputdevice/输出设备Actuators/执行器ElectronicControlSystem

Familiarization

电子控制系统介绍Inputdevice/输入设备Sensors/传感器输入Switches/开关输入ElectronicControlModuleorECM/电子控制模块microprocessor/微处理器Memory/存储器Outputdevice/输出设备Actuators/执行器Sensors传感器Temperaturesensors温度传感器Pressuresensors压力传感器Combinationsensors组合式传感器Fluidlevelsensors液位传感器Speedandpositionsensors速度及位置传感器TemperatureSensors

温度传感器Include/包括:Coolanttemperaturesensors冷却液温度传感器Intakeairtemperaturesensors进气温度传感器Fueltemperaturesensors燃油温度传感器Oiltemperaturesensors机油温度传感器OEMsuppliedtemperaturesensors主机厂提供的温度传感器FeatureofTemperatureSensors

温度传感器的特点TemperatureSensorsutilizethermistors温度传感器应用热敏电阻Theresistanceofsensorsisfrom500ohmsto40kohms传感器的电阻值范围在500到40千Theresistanceofsensorsisinverselypropertionaltotemperature,thechangeinresistanceisnotliner传感器的电阻与温度成反比,这种变化不是线性的Troubleshootingtemperaturesensors:checktheresistanceofthesensors温度传感器的故障诊断：检测传感器的电阻ApplicationofPressureSensors

压力传感器的应用Oilpressuresensors机油压力传感器Ambientairpressuresensors大气压力传感器Fuelpressuresensors燃油压力传感器Intakeairpressuresensors/Boostpressuresensors进气压力传感器/增压压力传感器OEMsuppliedpressuresensors主机厂提供的压力传感器TypeofPressureSensors

压力传感器的种类Capacitancepressuresensors电容压力传感器Crystalpressuresensors晶体压力传感器“Guage”pressuresensors“仪表”式压力传感器“Absolute”pressuresensors“绝对”压力传感器Combinationsensors

组合式传感器Combinebothpressureandtemperaturesensorsinonehousing将压力和温度传感器组合在同一壳体上Include/包括:Oilsensors机油组合传感器Intakeairsensors进气组合传感器Fuelsensors燃油组合传感器FluidLevelSensors

液位传感器Coolantlevelsensor冷却液液位传感器Water-In-Fuelsensor油中有水传感器SpeedandPositionSensors

速度及位置传感器Enginespeedsensor发动机速度传感器Enginepositionsensor发动机位置传感器Vehiclespeedsensor车辆速度传感器SpeedandPositionSensors

速度及位置传感器Variablereluctancesensors可变磁组传感器Halleffectsensors霍尔效应传感器PositionSensor

位置传感器Acceleratorpositionsensor油门踏板位置传感器Idlevalidationsensor怠速有效传感器Switch/开关SinglePole-SingleThrowSwitch单刀单掷开关SinglePole-DoubleThrowSwitch单刀双掷开关Switch/开关DoublePole-SingleThrowSwitch双刀单掷开关SymbolofSwitches

开关的符号SinglePole-SingleThrowSwitch单刀单掷开关SinglePole-DoubleThrowSwitch单刀双掷开关DoublePole-SingleThrowSwitch双刀单掷开关Actuators执行器Solenoidsactuators电磁阀式执行器PulseWidthModulationorPWMactuatorsPWM可变式执行器Otherelectronicdevice

其它电器设备Thermaldevice/加热器Relay/继电器Lamp/指示灯Fuse/保险丝ElectricalDiagramUsage

电控系统电路图的使用Typesofelectricaldiagrams电路图类型Identifycomponentsonawiringdiagram识别电路图中的各种符号Traceacircuitonawiringdiagram如何跟踪电路图中线路Colorcodedwires线路颜色含义ElectronicWiring

电控系统线束Wiretypesandwiregauge导线类型及标号Identifydifferentconnectortypes识别不同类型的传感器接头Identifythemethodsforrepairingdifferentconnectors掌握不同类型的传感器接头维修方法Connectortypes

传感器接头类型DeutschconnectorsDeutsch接头WeatherPackconnectorsWeatherPack接头Metri-PackconnectorsMetri-Pack接头AMPconnectorsAMP接头BoschconnectorsBosch接头Deutschconnectors

Deutsch接头3pin/3针6pin/6针9pin/9针21pin/21针29pin/29针DeutschconnectorsRepair

Deutsch接头维修TerminalRemovalTools端线拆卸工具(专用)Size/规格Colorcoded/以颜色标记WeatherPackconnectors&Repair

WeatherPack接头及维修2pin/2针3pin/3针4pin/4针TerminalRemovalTools端线拆卸工具（专用）Metri-Packconnectors

Metri-Pack接头Terminalsarenotreplaceable端线不可维修Ifoneterminalisdamaged,theconnectormustbereplaced.如果某端线损坏了,必须更换整个接头AMPconnectors&Repair

AMP接头及维修ToconnectECM与ECM连接Manypininaconnectorbody接头上有许多针TerminalsCanbereplacedindividually端线可单独维修Boschconnectors&R