AKM507-GB电气原理ppt课件

1、电气原理Principles of electrics中文版由普茨迈斯特(上海)学术部朱善基译校 技术部总经理李虎婴审核 2000-06Contents内容Basic knowledge I根底知识 IBasic knowledge II根底知识 IIAssembly组合件Converter转换器Converter转换器Capacitor电容Protective device维护安装Protective device维护安装Alternator整流器Indicating equipment指示安装Contents内容Indicating equipment 指示安装Relay/contacto

2、rs继电器/接触器Flashing relay断续继电器Interval time-delay relay延时间隔继电器Two-wire timer relay双稳定继电器Timer relay with pickup delay带传感延时闭合继电器Timer relay with dropout delay带传感延时断开继电器Make contact relay接触继电器Double make contact relay双路接触继电器Changeover relay换向接触继电器Contents内容Multiple changeover contact relay多路切换接触继电器Latch

3、ing changeover contact relay闭锁换向接触继电器Motor电动机Metering device丈量安装Power switchgear电源切换开关Potentiometer resistance分压变阻器Make contact switch接触开关Toggle switch拨动开关Toggle switch锁定拨动开关Key-operated switch锁匙开关Contents内容Mechanically-actuated switch机械行程开关Emergency shut-down switch紧急封锁按扭开关Master switch 布料杆开关Induct

4、ive make contact switch感应接触开关 Transformer变压器Semiconductor diode半导体二极管Semiconductor半导体Terminals/plug-in connection端子插接器Electrically-actuated valve电磁激活的电液阀Electrically-actuated proportional valve电磁激活比例阀Contents内容Orientation: Machine I定位:机器 IOrientation: Circuit diagram I定位:电路图 IOrientation: Circuit di

5、agram II定位:电路图 IIOrientation: Circuit diagram III定位:电路图 IIIOrientation: Circuit diagram IV定位:电路图 IVOrientation: Circuit diagram V定位:电路图 VExcerpt from list of devices组配件单摘录Basic knowledge I根底知识 IHydraulics液压Electrics电流Voltage电压Pressure压力Volume体积Current电流Basic knowledge II根底知识 IIHydraulics液压油路Electric

6、s 电路Closed circuit 闭式回路Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代码:ADescription 阐明: Assembly/component group 组合件/元件组Graphic symbol图示: PM application运用于:Emergency shut-down system 紧急封锁系统Function 功能 :Overriding control function. 过载控制功能 Code letter代码:BDescription阐明: Converter转换器

7、Graphic symbol图示: PM application 运用于:55 temperature sensor 55度温度感应器Function 功能 :Thermal cut-off on reaching limit temperature 温度切换开关,到达限定温度作用Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:BDescription 阐明: Converter 转换器Graphic symbol 图示:PM application 运用于:90 temperature sensor 90

8、度温度感应器Function 功能 :Thermal cut-off and signal for temperature display 温度切换开关, 和温度信号显示Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代码: CDescription 阐明: Capacitor 电容器Graphic symbol 图示:PM application 运用于:Spark suppression 灭电弧火花Function 功能 :A current flows briefly when you connect th

9、e capacitor to a dc source. The capacitor ischarged. The charge is then released. 当他在直流电源上接上电容器后,电流直接流抵电容 器。电容器被充电，然后电容器释放Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代码: FDescription 阐明: Protective devices 维护安装Graphic symbol图示:PM application运用于:Fuse 保险丝Function 功能 :May be though

10、t of as switching devices whichbreak the circuit when the the fusible insert melts. 可看作是一个切断开关安装，当插入的熔丝熔断时, 电路断开Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代码:FDescription 阐明: Protective devices 维护安装Graphic symbol图示: PM application 运用于:Thermal/magnetic release 温控/磁性释放Function 功能

11、 :Interrupts the electric circuit to prevent theconsumers and lines from being overloaded. 在过载时中断电路以维护用电器和电路Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代码: ADescription 阐明 : Alternators (power supply) 整流变压供电Graphic symbol图示:PM application 运用于:Power supply unit 电源供应元件Function 功能:

12、Supplies a circuit with smoothed d.c. voltage. 供应平稳的直流电压 Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代码:HDescription 阐明:Indicating equipment 指示设备Graphic symbol图示:PM application 运用于:Indicator lamp 指示灯Function 功能 :Serves as a visual indication of certain operating statuses. 对某种任务形

13、状作可视指示Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代码:HDescription 阐明:Indicating equipment 指示设备Graphic symbol 图示:PM application运用于:Signal horn 讯号喇叭Function 功能 :Serves as an acoustic indication of certainoperating conditions. 对某种任务形状作听觉指示Electrical equipment for PM concrete pumpsP

14、M混凝土泵的电气元件Code letter 代码:KDescription 阐明:Relay/contactors 继电器/接触器Graphic symbol图示:PM application 运用于:Stepping relay 步进继电器Function 功能 :Switching consumers on and offby means of toggle switches. 经过拨动开关切断或翻开用电器 3115Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:KDescription 阐明:Flas

15、hing relay 断续继电器Graphic symbol图示:PM application 运用于:Flashing frequency generator 断续频率发生器Function 功能 :Signals are switched on and off in a cycle. 信号周期性地翻开和关上A2A1Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:KDescription 阐明:Interval-time-delay relay 延时间隔继电器Graphic symbol图示:PM app

16、lication 运用于:Industrial pumps 工业泵Function 功能:Signals are switched on for a specified discrete period. 按拟定不延续周期的技术条件，切换信号A1A2Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代码:KDescription 阐明:Two-wire timer relay 双稳时间继电器Graphic symbol图示:PM application 运用于:Two-wire timer relay 双稳时间继电器

17、Function 功能:A signal applied is connected after a specified time. 信号按拟定的时间之后接续Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:KDescription 阐明:Timer relay with pickup delay 延时闭合继电器Graphic symbol图示:PM application 运用于:Industrial pumps 工业泵Function 功能 :A signal is switched on after a

18、delay. 信号在一个延缓时间后合上A1A2Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件控制信号线圈电压开关接触时间延缓Code letter 代号:KDescription 阐明:Timer relay with delayed dropout 延时断开继电器Graphic symbol图示:PM application 运用于:Industrial pumps 工业泵Function 功能 :A signal is switched off after a delay. 信号在一个延缓时间后切断A1A2Electrical e

19、quipment for PM concrete pumpsPM混凝土泵的电气元件控制信号线圈电压开关接触时间延迟Code letter 代号:KDescription 信号:Make contact relay 接触继电器Graphic symbol图示:PM application 运用于:Various switching relays in the control cabinet 控制箱内的各种切换继电器Function 功能 :Switching on consumers. 接通用电器Electrical equipment for PM concrete pumpsPM混凝土泵的电

20、气元件Code letter 代号:KDescription 阐明:Double make contact relay 双路接触继电器Graphic symbol图示:PM application 运用于:Boom control 布料杆控制Function 功能 :Switching on 2 consumers simultaneously. 同时接通2个用电器Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:KDescription 阐明:Changeover contact relay 换向接触继电器

21、Graphic symbol图示:PM application运用于:Various switching functions 各种开关功能Function 功能 :Switching consumers on or off. 翻开或封锁用电器Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:KDescription 阐明:Multiple changeover contact relay 多路接触继电器Graphic symbol图示:PM application运用于: Various switching

22、functions 各种开关功能Function 功能 : Switching consumers on or off. 将用电器翻开或封锁Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:KDescription 阐明:Latching changeover contact relay 闭锁换向接触继电器Graphic symbol图示:PM application 运用于:Pump on/off泵的开/关Function 功能:Switching consumers on or off and latch

23、ing 将用电器翻开或封锁并闭锁Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:MDescription 阐明:Direct current motor 电动机Graphic symbol图示:PM application 运用于:Motor for driving industrial and stationary pumps 用于驱开工业泵和固定泵的电动机Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:PDescri

24、ption 阐明:Metering device 丈量安装Graphic symbol图示:PM application 运用于:Operating hours meter 任务小时计数表Function 功能 :Records operating hours.记录任务小时+-Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:QDescription 阐明:Power switchgear/motor protection switch 电源切换开关/电机维护开关Graphic symbol 图示:PM ap

25、plication 运用于:Industrial pumps工业泵Function 功能 :Prevents motor drives short-circuiting and overloading. 对电机短路和过载进展维护Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:RDescription 阐明:Potentiometer resistances 分压变阻器Graphic symbol图示:PM application 运用于:Output regulation 排量调理Function 功能 :

26、Infinite voltage adjustment. A potentiometer functions in the same way as a voltage divider.The voltage can be infinitely varied using a sliding/rotary potentiometer. 无级调理电压。分压器的功能作为电压分配器，电压可经过滑动式 或旋转式分压器进展无级调理Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:SDescription 阐明:Make c

27、ontact switch 接触开关Graphic symbol图示:PM application 运用于:Various switching functions 各种开、关功能Function 功能 :Switches the relay on and off. 将继电器导通或封锁Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:SDescription 阐明:Toggle switch (mechanical actuation) 拨动开关机械激活Graphic symbol图示:PM applicati

28、on 运用于:Various switching functions 各种开、关功能Function 功能 :The switch returns to its original position whenit is no longer actuated (hold-to-run). 当不按下时，开关自动恢复原来的功位按下动作Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:SDescription 阐明:Latching toggle switch (mechanical actuation) 拨动锁定开关

29、机械激活Graphic symbol图示:PM application运用于: Various switching functions各种开关功能Function 功能 :The switch latches in the actuated position. 开关在执行位时能锁定Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:SDescription 阐明:Keyswitch (mechanical actuation) 锁匙开关Graphic symbol图示:PM application 运用于: S

30、witch for safety OSS functions 用于侧支撑功能平安开关Function 功能 :The switch can only be operated with the correct key. 开关仅能用相应的钥匙翻开Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:SDescription 阐明:Switch with mech.operation (mech. actuation) 机械行程开关机械激活Graphic symbol 图示:PM application 运用于:Agi

31、tator cut-out 切断搅拌器Function 功能 :The switch is operated mechanically by a cam. 开关由凸轮的机械动作来切断Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:SDescription 阐明:Emergency shut-down switch (mech. actuation) 紧急封锁按扭开关机械激活Graphic symbol 图示:PM application 运用于:Emergency shut-down switch 紧急封锁

32、按扭开关Function 功能 : The switch can only be unlocked by turning it after it has been pressed. All movement is stopped. 开关被按下后仅能旋转复位，按下后，一切动作停下 Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:SDescription 阐明:Master switch 布料杆开关Graphic symbol图示:PM application 运用于:Boom control控制布料杆Func

33、tion 功能 :Contacts actuated by lever deflection. 操作手柄偏动接触后激活开关功能Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:SDescription 阐明:Inductive make contact switch 感应接触开关Graphic symbol图示:PM application 运用于:Pump changeover 泵机换向Function 功能 :The switch is actuated when a metallic object co

34、mes into range. 当金属物在其感应范围内时，开关激活Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:TDescription 阐明:Transformer 变压器Graphic symbol 图示:PM application运用于:Industrial pumps 工业泵Function 功能 :Electrical voltages are induced in static coils by changes in the magnetic flux. 电压由固定线圈改动磁力线而生成Ele

35、ctrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:VDescription 阐明:Semiconductor diode 半导体二极管Graphic symbol 图示:PM application运用于:Spark suppression 灭弧Function 功能 :Allows the current to flow in one direction only. 使电流只能单向经过Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter

36、代号:VDescription 阐明:Semiconductor 半导体Graphic symbol 图示:PM application运用于:Light-emitting diode (LED) 发光二极管Function 功能 :The diodes are illuminated when voltage of the correct polarity is applied. 当电源电极正确时二极管被点亮指示Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:XDescription 阐明:Termina

37、ls/plug-in connections 端子插接器Graphic symbol 图示:PM application 运用于:Connections in the control cabinet 与电气箱衔接Function 功能 :The target designations on the terminals correspond precisely to the connection designations on the operating equipment and in the circuit diagram. 设计目的，使操作元件与电路中的终端匹配，经过接插完全的连 接好El

38、ectrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:YDescription 阐明:Mechanical devices - electrically-actuated valve 机械安装-电磁激活的电液阀Graphic symbol 图示:PM application运用于:Control of the machines hydraulic circuit 控制机器液压油路Function 功能 :The valve is operated electrically to open or close oil channels. 电液阀由电磁作用翻开或封锁油路Electrical equipment for PM concrete pumpsPM混凝土泵的电气元件Code letter 代号:YDescription 阐明:Mechanical devices - electrically-actuated -proportional valve (with diode and LED) 机械安装-电磁激活-比例阀带LED二极管发光指示Graphic symbol 图示:PM application 运用于:B