電氣設備常用基本文字符號

1、.：.； 電氣設備常用根本文字符號設備、安裝和元器件種類舉 例根本文字符號IEC中文稱號英文稱號單字母雙字母組 件部 件分別元件放大器Amplifier using discreteA =Components激光器Laser調(diào)理器Regulator本表其他地方未提及的組件、部件電橋BridgeAB晶體管放大器Transistor amplifierAD=集成電路放大器Integrated circuit amplifierAJ=磁放大器Magnetic amplifierAM=電子管放大器Valve amplifierAV=印制電路板Printed circuit boardAP=抽屜柜Dra

2、wer AT=支架盤RackAR=非電量到電量變換器或電量到非電量變換器熱電傳感器Ther moelectric sensorB=熱電池Thermo-cell光電池Photoelectric cell測功計Dynamometer晶體換能器Crystal transducer送話器Microphone拾音器Pick up揚聲器Louds peaker耳機Earphone自整角機Synchro旋轉(zhuǎn)變壓器Resolver模擬和多級數(shù)字變換器或傳感器用作指示和丈量Analogue and multiple-step digital Transducers or sensors(as used indi

3、cating measuring purposes)壓力變換器Pressure transducerBP=位置變換器Position transducer BQ=旋轉(zhuǎn)變換器測速發(fā)電機Rotation transducer(tacho generator)BR=溫度變換器Temperature transducerBT=速度變換器Velocity transducerBV=電容器電容器CapacitorC=設備、安裝和元氣件種類舉 例根本文字符號 IEC中文稱號英文稱號單字母雙字母二進指元件延遲器件存儲器件數(shù)字集成電路和器件:Digital integrated circuits and dev

4、ices:D=延遲線Delay line雙穩(wěn)態(tài)元件Bistable element 單穩(wěn)態(tài)元件Monostable element磁芯存儲器Core storage存放器Register磁帶記錄機Magnetic tape recorder盤式記錄機Disk recorder其他元氣件本表其他地方未規(guī)定的器件 E=發(fā)熱器件Heating deviceEH=照明燈Lamp for lightingEL=空氣調(diào)理器VentilatorEV= 維護器件過電壓放電器件避雷器Over voltage discharge device Arrester F=具有瞬時動作的限流維護器件Current thr

5、eshold protective device withInstantaneous actionFA=具有延時動作的限流維護器件Current threshold protective device withTime-lag actionFR=具有延時和瞬時動作的限流維護器件 Current threshold protective device withInstantaneous and time-lag actionFS=熔斷器FuseFU=限壓維護器件Voltage threshold protective deviceFV= 發(fā)生器發(fā)電機電源旋轉(zhuǎn)發(fā)電機振蕩器Rotating gene

6、rator OscillatorG=發(fā)生器Generator GS=同步發(fā)電機Synchronous generator異步發(fā)電機Asynchronous generatorGA發(fā)生器發(fā)蓄電池BatteryGB=電機電源旋轉(zhuǎn)式或固定式變頻機Rotating or static frequency converterGF= 設備、安裝和元器件種類舉 例根本文字符號 IEC中文稱號英文稱號單字母雙字母信號器件 H=聲響指示器 Acoustical indicatorHA =光指示器Optical indicatorHL=指示燈Indicator lampHL=繼電器接觸器K=瞬時接觸繼電器Inst

7、antaneous contactor relayKA=瞬 時有或無繼電器Instantaneous all or nothing RellayKA=交流繼電器Alternating realyKA閉鎖接觸繼電器機械閉鎖或永磁鐵式有或無繼電器)Latching contactor realy(all-or-nothing relay with me chanicallatch or permanent magnet)KL= 雙穩(wěn)態(tài)繼電器Bistable relay KL=接觸器ContactorKM=極化繼電器Polarized relayKP=簧片繼電器Reed relayKR=延 時 有或

8、無繼電器Time-delay all-or-nothing relay KT=逆流繼電器Reverse current relayKR=電感器電抗器感應線圈線路陷波器電抗器并聯(lián)和串聯(lián)Induction coil Line trapReactors(shunt and series) L=電動機電動機MotorM=同步電動機Synchronous motorMS可做發(fā)電機或電動機的電機Machine capable of use as a generator or motor MG力矩電動機Torque motorMT 模擬元件運算放大器Operational amplifierN=混合模擬/數(shù)

9、字器件Hybrid analogue/digital device設備、安裝和元器件種類 舉 例根本文字符號IEC中文稱號英文稱號 單字母雙字母丈量設備實驗設備指示器件 Indicating devices P=記錄器件Recording devices積算丈量器件Integrating measuring devices信號發(fā)生器Singnal generator電流表AmmeterPA=脈沖計數(shù)器(Pulse) CounterPC=電度表Watt hour meterPJ=記錄儀表Recording instrument PS=時鐘、操作時間表Clock,Operating time me

10、terPT=電壓表VoltmeterPV=電力電路的開關器件Q= 斷路器Circuit-breakerQF=電動機維護開關Motor protection switchQM=隔分開關Disconnector (isolator)QS=電阻器電阻器ResistorR=變阻器Rheostat電位器PotentiometerRP=丈量分路表Measuring shuntRS=熱敏電阻器Resistor with inherent variability dependent on the temperature RT=壓敏電阻器Resistor with inherent variability de

11、pendent on the voltage RV=控制、記憶、信號電路的開關器件選擇撥號接觸器銜接級Dial contactConnecting stage S=控制開關 Control switchSA=選擇開關Selector switch SA=按紐開關Push-button SB=機電式有或無傳感器單級數(shù)字傳感器All-or-nothing sensors of mechanical and electronic nature(one-step digital sensors)液體標高傳感器 Liquid level sensorSL=壓力傳感器Pressure sensorSP=位

12、置傳感器包括接近傳感器Position sensor (including proximity-sensor)SQ=轉(zhuǎn)數(shù)傳感器Rotation sensorSR=溫度傳感器Temperature sensorST=變壓器T=電流互感器Current transformer TA=控制電路電源用變壓器Transformer for control circuit supplyTC=電力變壓器 Power transformerTM=磁穩(wěn)壓器Magmetic stabilizerTS=電壓互感器Voltage transformerTV=調(diào)制器變換器鑒頻器DisoriminatorU=解調(diào)器Dem

13、odulator變頻器Frequency changer編碼器Coder變流器Converter設備、安裝和元器件種類 種 類根本文字符號IEC中文稱號英文稱號單字母雙字母調(diào)制器變換器逆變器InverterU=整流器Rectifier點板譯碼器Telegraph translator電子管晶體管氣體放電管二極管晶體管晶閘管Gas-discharge tubeDiodeTransistorThyristorV=電子管Electronic tubeVE控制電路用電源的整流器Rectifier for control circuit supplyVC=傳輸通道波 導天 線導 線電 纜母 線波 導Co

14、nductor Cable BusbarWaveguideW=波導定向耦合器Waveguide directionalCouper偶極天線拋物天線 DipoleParbolic aerial 端 子插 頭插 座銜接插頭和插座接線柱電纜封端和接頭焊接端子板Connecting plug and sockedClip Cable sealing edn and jointSoldering terminal stripX=銜接片LinkXB=測試插孔Test jack XJ=插頭Plug XP=插座SocketXS=端子板Terminal boardXT=電氣操作的機械器件氣閥Pneumatic valveY=電磁鐵ElectromagnetYA=電磁制動器Electromagnetically operated brakeY