康明斯电控基础及INSITE培训.ppt

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1、BETT&INSITE Training电控发动机基础培训,Course contents/本课程主要内容：BETT基本电工理论及故障诊断排除INSITE 5.4INSITE 5.4 介绍INSITE 6.XINSITE 6.X 介绍,Basic Electrical Theory&Troubleshooting基本电工理论及故障诊断与排除,Objective 本课程主要内容：Basic Electrical Theory 基本电工理论Digital Multi-meter Usage数字万用表的使用Electronic Circuits电路Electronic Control System

2、familiarization发动机电控系统Electronic Diagram Usage电路图的使用Electrical Wiring电控系统线束,Electrical Troubleshooting Logical Steps电控系统故障诊断步骤,Gather Information了解情况Analyze Information分析原因Perform Tests进行测试Perform Repairs进行维修Retest着车试验,Basic Electrical Theory基本电工理论,Define basic electrical terms明确基本电工术语Define basic e

3、lectrical concepts明确电学基本概念Explain Voltage,Current,Resistance阐述电压，电流，电阻Ohms law欧姆定律,Electric shock触电,Electric shock触电,Digital Multi-meter Feature数字式万用表特性,Auto-range自动量程特性Range Hold or Manual Hold量程保持特性Touch hold数据保持特性,Digital Multi-meter Usage数字式万用表的用途,To take voltage测量电压To take current测量电流To take re

4、sistance测量电阻To test a diode测试二极管,Electrical Circuits电 路,A complete circuit完整电路Circuit types电路类型Calculate voltage,current and resistance电路参数计算Troubleshooting short circuits,open circuits,and high resistance circuits电路故障诊断：短路，断路及高电阻,Different types of electrical circuits不同类型的电路,Series circuit/串联电路I=I1

5、=I2 U=U1+U2 R=R1+R2Parallel circuit/并联电路U=U1U2 I=I1I2 1/R=1/R1+1/R2Series/Parallel circuit 串/并联电路Parallel circuit/并联部分U=U1U2 I=I1I2 1/R=1/R1+1/R2Series circuit/串联部分I=I1=I2 U=U1+U2 R=R1+R2,Electronic Control System Familiarization电子控制系统介绍,Input device/输入设备Sensors/传感器输入Switches/开关输入Electronic Control

6、Module or ECM/电子控制模块microprocessor/微处理器Memory/存储器 Output device/输出设备Actuators/执行器,Electronic Control System Familiarization电子控制系统介绍,Input device/输入设备Sensors/传感器输入Switches/开关输入Electronic Control Module or ECM/电子控制模块microprocessor/微处理器Memory/存储器 Output device/输出设备Actuators/执行器,Sensors 传感器,Temperature

7、sensors 温度传感器Pressure sensors压力传感器Combination sensors组合式传感器Fluid level sensors液位传感器Speed and position sensors速度及位置传感器,Temperature Sensors温度传感器,Include/包括:Coolant temperature sensors冷却液温度传感器Intake air temperature sensors进气温度传感器Fuel temperature sensors燃油温度传感器Oil temperature sensors机油温度传感器OEM supplied

8、temperature sensors主机厂提供的温度传感器,Feature of Temperature Sensors温度传感器的特点,Temperature Sensors utilize thermistors温度传感器应用热敏电阻The resistance of sensors is from 500 ohms to 40k ohms传感器的电阻值范围在500到40千The resistance of sensors is inversely propertional to temperature,the change in resistance is not liner传感器的电

9、阻与温度成反比,这种变化不是线性的Troubleshooting temperature sensors:check the resistance of the sensors温度传感器的故障诊断：检测传感器的电阻,Application of Pressure Sensors压力传感器的应用,Oil pressure sensors机油压力传感器Ambient air pressure sensors大气压力传感器Fuel pressure sensors燃油压力传感器Intake air pressure sensors/Boost pressure sensors进气压力传感器/增压压力

10、传感器OEM supplied pressure sensors主机厂提供的压力传感器,Type of Pressure Sensors压力传感器的种类,Capacitance pressure sensors电容压力传感器Crystal pressure sensors晶体压力传感器“Guage”pressure sensors“仪表”式压力传感器“Absolute”pressure sensors“绝对”压力传感器,Combination sensors组合式传感器,Combine both pressure and temperature sensors in one housing将压

11、力和温度传感器组合在同一壳体上Include/包括:Oil sensors机油组合传感器Intake air sensors进气组合传感器Fuel sensors燃油组合传感器,Fluid Level Sensors液位传感器,Coolant level sensor冷却液液位传感器Water-In-Fuel sensor油中有水传感器,Speed and Position Sensors速度及位置传感器,Engine speed sensor发动机速度传感器Engine position sensor发动机位置传感器Vehicle speed sensor车辆速度传感器,Speed and

12、Position Sensors速度及位置传感器,Variable reluctance sensors可变磁组传感器,Hall effect sensors霍尔效应传感器,Position Sensor位置传感器,Accelerator position sensor油门踏板位置传感器Idle validation sensor怠速有效传感器,Switch/开关,Single Pole-Single Throw Switch单刀单掷开关Single Pole-Double Throw Switch单刀双掷开关,Switch/开关,Double Pole-Single Throw Switch

13、双刀单掷开关,Symbol of Switches开关的符号,Single Pole-Single Throw Switch单刀单掷开关Single Pole-Double Throw Switch单刀双掷开关Double Pole-Single Throw Switch双刀单掷开关,Actuators 执行器,Solenoids actuators电磁阀式执行器,Pulse Width Modulation or PWM actuatorsPWM可变式执行器,Other electronic device其它电器设备,Thermal device/加热器Relay/继电器Lamp/指示灯Fu

14、se/保险丝,Electrical Diagram Usage电控系统电路图的使用,Types of electrical diagrams电路图类型Identify components on a wiring diagram识别电路图中的各种符号Trace a circuit on a wiring diagram如何跟踪电路图中线路Color coded wires线路颜色含义,Electronic Wiring电控系统线束,Wire types and wire gauge导线类型及标号Identify different connector types识别不同类型的传感器接头Iden

15、tify the methods for repairing different connectors掌握不同类型的传感器接头维修方法,Connector types传感器接头类型,Deutsch connectorsDeutsch接头 Weather Pack connectorsWeather Pack接头Metri-Pack connectorsMetri-Pack接头,AMP connectorsAMP接头Bosch connectorsBosch接头,Deutsch connectorsDeutsch接头,3 pin/3针6 pin/6针9 pin/9针21 pin/21针29 pi

16、n/29针,Deutsch connectors RepairDeutsch接头维修,Terminal Removal Tools端线拆卸工具(专用)Size/规格Color coded/以颜色标记,Weather Pack connectors&RepairWeather Pack接头及维修,2 pin/2针3 pin/3针4 pin/4针,Terminal Removal Tools端线拆卸工具（专用）,Metri-Pack connectorsMetri-Pack接头,Terminals are not replaceable端线不可维修,If one terminal is damag

17、ed,the connector must be replaced.如果某端线损坏了,必须更换整个接头,AMP connectors&RepairAMP接头及维修,To connect ECM与ECM 连接Many pin in a connector body接头上有许多针,Terminals Can be replaced individually端线可单独维修,Bosch connectors&RepairBosch接头及维修,To connect Sensors/Actuators与传感器/执行器连接Can only be repaired by replacing the entire connector只能更换整个接头,To connect ECM/与ECM连接Many pin in a connector body接头上有许多针Usage pin removal tools使用 端线拆卸工具,Wires Repair导线维修,Butt Splice导线接头,Correct Repair Order正确的维修顺序,