电气培训ppt课件

Introduction to Electro-Pneumatic System,电动气动力学技术培训,Training Objectives 培训目地,To provide participants with knowledge of: 为增广以下基础知识：,Course Content 课程 内容,Fundamental Principles of Electrical circuit 基本电路原理 2. Construction and principle of operations of Electrical components 电子元件的结构及操作原理 3. Construction and principle of operations of Cylinders & Pneumatic valves 汽缸和空压阀的构造与操作原理 ISO & JIS Symbols of Pneumatic & Electrical Components ISO 及 JIS 电子与气动元件符号 5. Designing of Simple Electro-Pneumatic circuit 设计简单的电动气动回路,What is Electro-Pneumatic System?,The use of Electrical Signal & Compressed Air to do work.,什么是电动气动系统？,运用电动力与压缩空气在科学与技术上完成工作,包装机,Electro-Pneumatic Circuit 电动气动回路,Basic Electrical Theory,基本电子学理论,Basic Electric Circuit 基本电路,Power Supply 电源供应,Switching Element 开关,Load E.g.: Lamp 负荷: 灯,+,_,Basic Electric Circuit 基本电路,Power Supply 电源供应,Switching Element 开关,+,_,Open Circuit 开路,Load E.g.: Lamp 负荷: 灯,Power Supply 电源供应,+,_,Closed Circuit 闭路,Load E.g.: Lamp 负荷: 灯,Basic Electric Circuit 基本电路,Switching Element 开关,Basic Electric Circuit 基本电路,Power Supply 电源供应,+,_,Circuit,Short,No Load!无负荷,Shorted!,短 路,Switching Element 开关,Digital Multimeter 数字万用表,Ohms Law 欧姆定律 V = R x I 电压 = 电阻 x 电流,Basic Electric Circuit 基本电路,Power Supply 电源供应,Switching Element 开关,Load E.g.: Lamp 负荷: 灯,+,_,Measuring Voltage using Volt Meter 使用电压表测量电压,24V,Basic Electric Circuit 基本电路,+,_,Measuring Current using Amp Meter 使用安培表测量电流,0.3A,Basic Electric Circuit 基本电路,Switching Element 开关,Load E.g.: Lamp 负荷: 灯,Power Supply 电源供应,+,_,Checking Continuity using Ohm Meter 使用欧姆表检查连续性,Basic Electric Circuit 基本电路,Switching Element 开关,Load E.g.: Lamp 负荷: 灯,Power Supply 电源供应,Switching Element 开关,Load E.g.: Lamp 负荷: 灯,+,_,Can this circuit work? 这样的电路能否操作？,Basic Electric Circuit 基本电路,Power Supply 电源供应,Is it safe to handle 24VDC supply in the system? 使用24VDC电流供应安全吗？,DC 24V,Basic Electric Circuit 基本电路,Effect of Electrical current on Human Body 电流对人体的影响,Basic Electric Circuit 基本电路,Guide Line to Draw Ladder Diagram,JIC,Power Supply is drawn as 2 parallel vertical lines 电源由2条平行的直线画成 Signal flow from left to right 信号流程从左到右,Power Supply is drawn as 2 parallel horizontal lines 电源由2条平行的横线画成 Signal flow from top to bottom 信号流程从上到下,3) Avoid crossing lines if possible 竟可能避免交叉线 4) Lines connected should be specified 连接的线路应被指定,梯形图标准,Fundamental of Electrical Components,基本电子元件,Switching Elements 开关元件,Push Button Switch (Normally Open) 按钮开关(常开型),JIC,DIN,Switching Elements 开关元件,Push Button Switch (Normally Closed) 按钮开关(常闭型),DIN,JIC,Switching Elements 开关元件,Push Button Switch (Change-over contact) 按钮开关(双断型）,DIN,JIC,Switching Elements 开关元件,Rocker Switch (latching contact) 摇臂式开关 (闭锁接点),DIN,JIC,Emergency Stop Switch 紧急停止按钮开关,Key Selector Switch 钥匙型选择开关,Switching Elements 开关元件,Logic Control 逻辑控制,YES Function (N/O) 是 功能 （常开）,Proximity Sensors 接近传感器,Switching Elements Sensors 开关元件 传感器,Inductive Sensor (For Metallic object) 诱导型传感器 （适用于金属物体）,Capacitive Sensor (For Metallic/Non-metallic) 静电容量型传感器 （适用于金属/非金属物体）,Optical Sensor (For most object) 光电传感器 （适用于多数物体）,Leaf Spring 板簧,Glass Tube (Gas) 玻璃管 (气体),Reed Contact (Gold Plated) 有接点接触 (镀金),Electrical Connection 电流连接,Reed Switch 有接点开关,Switching Elements Sensors 开关元件 传感器,Reed Switch 有接点开关,磁铁,Switching Elements Sensors 开关元件 传感器,Symbol 符号,ON 开,OFF 关,magnetic Ring 磁环,Reed Switches on Cylinder 气缸有接点开关,Switching Elements Sensors 开关元件 传感器,ON,OFF,OFF 关,ON 开,magnetic ring 磁环,Reed Switches on Cylinder 气缸有接点开关,Switching Elements Sensors 开关元件 传感器,OFF,ON,ON 开,Reed Switches on Cylinder 气缸有接点开关,Switching Elements Sensors 开关元件 传感器,OFF 关,+,_,Brown 褐线,Blue 蓝线,SHORT CIRCUIT! 短 路!,Load 负荷,Hard Wired Connection Diagram for Reed Switch 有接点开关连接图,Switching Elements Sensors 开关元件 传感器,+,_,SHORT CIRCUIT! 短 路!,Load 负荷,Switching Elements Sensors 开关元件 传感器,Hard Wired Connection Diagram for Reed Switch 有接点开关连接图,Proximity Switch (Solid State Type) 无接点开关 (固态型),Uses Transistorised circuit 使用晶体管电路 No moving parts 无移动部件 Higher switching frequency 更高的开关频率,NPN Type 类型,PNP Type 类型,褐线(电源+ ),黑线(输出),蓝线(电源- ),主电路开关,Switching Elements Sensors 开关元件 传感器,+,_,Hard Wired Connection Diagram for Proximity Switch 无接点开关连接图,Switching Elements Sensors 开关元件 传感器,Pressure / Flow Sensors 压力/流量传感器,Pressure Sensors 压力传感器,Flow Sensors 流量传感器,Switching Elements Sensors 开关元件 传感器,Load 负荷,Lamp & Buzzer 电子管与扩音器,Solenoid Coil 电磁线圈,Relay Coil 继电器线圈,Load Relay 负荷继电器,常开,常开,常闭,常闭,On Coil 线圈通电,Contact Switch over 接点换位,常开,常开,常闭,常闭,Load Relay 负荷继电器,Off Coil 线圈不通电,Contact Spring back 接点回弹,常开,常开,常闭,常闭,Load Relay 负荷继电器,Purpose of Relay 继电器用途,Inversion 转换 (N.O. to N.C. or N.C. to N.O.) 常开 转换成 常闭 或者 常闭 转换成 常开,Voltage Change 电压转换 (AC to DC or DC to AC supply) AC 转换成 DC电流供应 或者 DC 转换成 AC电流供应,Load Relay 负荷继电器,Purpose of Relay 继电器用途,Multiple contact 复式接点,Memory Effect (Self-holding circuit) 信息保留（自锁电路）,Over load Switch 开关超过负荷,有接点开关,负荷,开关,Load Relay 负荷继电器,Memory Effect (Self-holding circuit) 信息保留（自锁电路）,启动,停止,灯,Load Relay 负荷继电器,Example of basic circuit drawing 基本回路图例子,Which of the following can be used to control a single acting cylinder以下哪个适用于控制单作用气缸？,(1),(2),(3),电磁1,电磁1,电磁,Control of Single Acting Cylinder 单作用气缸控制,电磁1,电磁1,Which of the following can be used to control a Double acting cylinder以下哪个适用于控制双作用气缸,(1),(2),(3),电磁1,电磁1,电磁,Example of basic circuit drawing 基本回路图例子,B,A,P,S,R,Sol1 电磁1,Sol2 电磁2,Control of Double Acting Cylinder 双作用气缸控制,A,B,Sol2,Sol1,B,A,P,S,R,A,B,Sol1 电磁1,Sol2 电磁2,Sol2,Sol1,Control of Double Acting Cylinder 双作用气缸控制,电磁1,电磁2,Control of Double Acting Cylinder 双作用气缸控制,Coil,+,_,Coil,Coil,Circuit Without Protection 无保护电路,Coil,+,_,Circuit With Protection 电路保护,Coil,Surge Suppressor 浪涌吸收器,Coil,Coil,+,_,Solenoid,Solenoid,+,_,警惕:避免并联连接负荷!,Solenoid,Solenoid,Solenoid,Caution: Avoid Parallel connection of Load!,Electro- Pneumatic Control,电动气动控制,Single Cycle Control,单一循环控制,W/P,By pressing a Start Push button, work piece will be pushed onto the conveyor. Cylinder will be fully extended and then returns to its home position automatically. 通过按下启动按钮，制品将被推到输送机上。气缸将完全地伸出，然后自动地回到原位。,Exercise 练习,W/P,Exercise 练习,By pressing a Start Push button, work piece will be pushed onto the conveyor. Cylinder will be fully extended and then returns to its home position automatically. 通过按下启动按钮，制品将被推到输送机上。气缸将完全地伸出，然后自动地回到原位。,Solution1 解答1,开动,电磁,电磁,解答 2 (使用3线无接点开关),电磁,电磁,开动,Solution2 (using 3 wire auto switch),Continuous Cycle Control,连续循环控制,By pressing a Start Push button, work piece will be transferred onto the next conveyor. This is a continuous cycle, the transfer work will be done as long as there is presence of work piece. The presence of the work piece can be detected by roller lever S1. 通过按下启动按钮，制品将被移到下一台输送机上。 只要有制品存在，气缸将伸出又回缩。 制品的存在可以由滚轮杠杆S1查出。,S1,Start 启动,Exercise 练习,By pressing a Start Push button, work piece will be transferred onto the next conveyor. This is a continuous cycle, the transfer work will be done as long as there is presence of work piece. The presence of the work piece can be detected by roller lever S1.Cylinder will finish the cycle to return and stop when the stop push button is pressed.,S1,Start 启动,Stop 停止,通过按下启动按钮，制品将被移到下一台输送机上。 只要有制品存在，气缸将伸出又回缩。 制品的存在可以由滚轮杠杆S1查出。 当停止按钮被按，气缸将完成伸出动作然后停止。,Exercise 练习,Start 启动,Stop 停止,E-Stop 紧急停止,By pressing a Start Push button, work piece will be transferred onto the next conveyor. This is a continuous cycle, the transfer work will be done as long as there is presence of work piece. The presence of the work piece can be detected by roller lever S1.Cylinder will finish the cycle to return and stop when the stop push button is pressed. When E-stop pushbutton is p