康明斯电控基础及INSITE培训PPT课件

2021/7/231Welcome to attendBETT and Basic INSITE Training欢迎参加欢迎参加电控基础及电控基础及INSITE 培训培训Cummins East Asia Training Center康明斯东亚培训中心康明斯东亚培训中心2021/7/232BETT&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 5.4 INSITE 5.4 介绍 INSITE 6.X INSITE 6.X 介绍2021/7/233Basic 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 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2021/7/234Electrical 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2021/7/235Basic Electrical Theory基本电工理论 Define basic electrical terms 明确基本电工术语 Define basic electrical 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2021/7/236Electric shock触电 Electric shock 触电2021/7/237Digital 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2021/7/238Digital 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 resistance 测量电阻 To test a diode 测试二极管2021/7/239Electrical 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2021/7/2310Different types of electrical circuits不同类型的电路 Series circuit/串联电路 I=I1=I2 U=U1+U2 R=R1+R2 Parallel circuit/并联电路 U=U1U2 I=I1I2 1/R=1/R1+1/R2 Series/Parallel circuit 串/并联电路 Parallel circuit/并联部分 U=U1U2 I=I1I2 1/R=1/R1+1/R2 Series circuit/串联部分 I=I1=I2 U=U1+U2 R=R1+R22021/7/2311Electronic 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2021/7/2312Electronic 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2021/7/2313Sensors 传感器Temperature 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2021/7/2314Temperature 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 temperature sensors 主机厂提供的温度传感器2021/7/2315Feature 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2021/7/2316 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/增压压力传感器OEM supplied pressure sensors 主机厂提供的压力传感器2021/7/2317Type 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2021/7/2318Combination sensors组合式传感器 Combine both pressure and temperature sensors in one housing 将压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2021/7/2319Fluid 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2021/7/2320Speed 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2021/7/2321Speed and 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2021/7/2322Position 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2021/7/2323Switch/开关 Single Pole-Single Throw Switch 单刀单掷开关 Single Pole-Double Throw Switch 单刀双掷开关2021/7/2324Switch/开关 Double Pole-Single Throw Switch 双刀单掷开关2021/7/2325Symbol 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2021/7/2326Actuators 执行器 Solenoids actuators 电磁阀式执行器 Pulse Width Modulation or PWM actuators PWM可变式执行器2021/7/2327Other electronic device其它电器设备 Thermal device /加热器 Relay/继电器 Lamp/指示灯 Fuse/保险丝2021/7/2328Electrical 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2021/7/2329Electronic 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 Identify the methods for repairing different connectors 掌握不同类型的传感器接头维修方法2021/7/2330Connector types传感器接头类型 Deutsch connectors Deutsch接头 Weather Pack connectors Weather Pack接头 Metri-Pack connectors Metri-Pack接头 AMP connectors AMP接头 Bosch connectors Bosch接头2021/7/2331Deutsch connectorsDeutsch接头 3 pin/3针 6 pin/6针 9 pin/9针 21 pin/21针 29 pin/29针2021/7/2332Deutsch 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2021/7/2333Weather 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）2021/7/2334Metri-Pack connectorsMetri-Pack接头 Terminals are not replaceable 端线不可维修 If one terminal is damaged,the connector must be replaced.如果某端线损坏了,必须更换整个接头2021/7/2335AMP 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2021/7/2336Bosch 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2021/7/2337Wires Repair导线维修 Butt Splice 导线接头 Correct Repair Order 正确的维修顺序