电气制图基本符号Word文档格式.docx

1、FR热继电器常闭触点熔断器FU三相断路器（空气开关）QF直流DC交流AC刀开关Q三相刀开关端子X可拆卸端子端子板XT导线连接点旋转开关主令开关QS拉拔开关接地E接机壳三相鼠笼异步电动机M三相绕线行程开关SQ接近开关第二节：常用电器符号标识下表是各类器件（含半导体元件）的符号表示法，较常用的用红色背景给出。文字符号是标记在电路图形符号旁的，用于做器件编号的文字性记号。如：图2-1：图形符号与文字符号编号一般用阿拉伯数字给出。表2-2：电气设备常用基本文字符号设备、装置和元器件种类举 例基本文字符号IEC中文名称英文名称单字母双字母组 件部 件分离元件放大器Amplifier using disc

2、reteA =Components激光器Laser调节器Regulator本表其他地方未提及的组件、部件电桥BridgeAB晶体管放大器Transistor amplifierAD=集成电路放大器Integrated circuit amplifierAJ磁放大器Magnetic amplifierAM电子管放大器Valve amplifierAV印制电路板Printed circuit boardAP抽屉柜Drawer AT支架盘RackAR非电量到电量变换器或电量到非电量变换器热电传感器Ther moelectric sensorB热电池Thermo-cell光电池Photoelectri

3、c cell测功计Dynamometer晶体换能器Crystal transducer送话器Microphone拾音器Pick up扬声器Louds peaker耳机Earphone自整角机Synchro旋转变压器Resolver模拟和多级数字变换器或传感器（用作指示和测量）Analogue and multiple-step digital Transducers or sensors（as used indicating measuring purposes）压力变换器Pressure transducerBP位置变换器Position transducer BQ旋转变换器（测速发电机）R

4、otation transducer（tacho generator）BR温度变换器Temperature transducerBT速度变换器Velocity transducerBV电容器CapacitorC设备、装置和元气件种类二进制元件延迟器件存储器件数字集成电路和器件:Digital integrated circuits and devices:D延迟线Delay line双稳态元件Bistable element单稳态元件Monostable element其他元器件本表其他地方未规定的器件发热器件Heating deviceEH照明灯Lamp for lightingEL空气调节

5、器VentilatorEV保护器件过电压放电器件避雷器Over voltage discharge device ArresterF具有瞬时动作的限流保护器件Current threshold protective device withInstantaneous actionFA具有延时动作的限流保护器件Time-lag action具有延时和瞬时动作的限流保护器件 Current threshold protective device withInstantaneous and time-lag actionFSFuse限压保护器件Voltage threshold protective

6、deviceFV发生器发电机电源旋转发电机振荡器Rotating generator OscillatorGGenerator GS同步发电机Synchronous generator 设备、装置和元器件种类信号器件H声响指示器 Acoustical indicatorHA光指示器Optical indicator指示灯Indicator lamp继电器接触器瞬时接触继电器Instantaneous contactor relayKA瞬 时有或无继电器Instantaneous all or nothing Rellay交流继电器Alternating realy闭锁接触继电器（机械闭锁或永磁

7、铁式有或无继电器）Latching contactor realy（all-or-nothing relay with me chanicallatch or permanent magnet）KL双稳态继电器Bistable relay Contactor电感器电抗器感应线圈线路陷波器电抗器（并联和串联）Induction coil Line trapReactors（shunt and series）L电动机Motor同步电动机Synchronous motorMS可做发电机或电动机的电机Machine capable of use as a generator or motor MG力矩

8、电动机Torque motorMT模拟元件运算放大器Operational amplifierN混合模拟/数字器件Hybrid analogue/digital device 举 例 单字母测量设备实验设备指示器件 Indicating devicesP记录器件Recording devices积算测量器件Integrating measuring devices信号发生器Singnal generator电流表AmmeterPA（脉冲）计数器（Pulse） CounterPC电度表Watt hour meterPJ记录仪表Recording instrument PS时钟、操作时间表Cloc

9、k、Operating time meterPT电压表VoltmeterPV电力电路的开关器件 断路器Circuit-breaker电动机保护开关Motor protection switchQM隔离开关Disconnector （isolator）电阻器ResistorR变阻器Rheostat电位器PotentiometerRP测量分路表Measuring shuntRS热敏电阻器Resistor with inherent variability dependent on the temperature RT压敏电阻器Resistor with inherent variability d

10、ependent on the voltage RV控制、记忆、信号电路的开关器件选择拨号接触器连接级Dial contactConnecting stageS控制开关 Control switchSA选择开关Selector switch 按纽开关Push-button 液体标高传感器 Liquid level sensorSL压力传感器Pressure sensorSP变压器T电流互感器Current transformer TA控制电路电源用变压器Transformer for control circuit supplyTC电力变压器 Power transformerTM磁稳压器Ma

11、gmetic stabilizerTS电压互感器Voltage transformerTV调制器鉴频器DisoriminatorU解调器Demodulator变频器Frequency changer编码器Coder变流器Converter种 类逆变器Inverter整流器Rectifier点板译码器Telegraph translator电子管晶体管气体放电管二极管晶闸管Gas-discharge tubeDiodeTransistorThyristorVElectronic tubeVE控制电路用电源的整流器Rectifier for control circuit supplyVC传输通道

12、波 导天 线导 线电 缆母 线ConductorCableBusbarWaveguideW波导定向耦合器Waveguide directionalCouper偶极天线抛物天线DipoleParbolic aerial端 子插 头插 座连接插头和插座接线柱电缆封端和接头焊接端子板Connecting plug and sockedClipCable sealing edn and jointSoldering terminal strip连接片LinkXB测试插孔Test jackXJ插头PlugXP插座SocketXS电气操作的机械器件气阀Pneumatic valveY电磁铁ElectromagnetYA电磁制动器Electromagnetically operated brakeYB电磁离合器Electromagnetically operated clutchYC电磁吸盘Magnetic chuckYH气动阀Motor operated valveYM电磁阀Electromagnetically operated valveYV终端设备电缆平衡网络Cable balancing networkZ混合变压器压缩扩展器Compandor滤波器晶体滤波器Crystal filter均衡器限幅器网络Network第三节：读图举例