电气设备常用基本文字符号
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设备、装置和元器件种类 |
举 例 |
基本文字符号 |
IEC |
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中文名称 |
英文名称 |
单字母 |
双字母 |
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组 件 部 件 |
分离元件放大器 |
Amplifier using discrete |
A |
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Components |
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激光器 |
Laser |
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调节器 |
Regulator |
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本表其他地方未提及的组件、部件 |
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电桥 |
Bridge |
AB |
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放大器 |
Transistor amplifier |
AD |
= |
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放大器 |
Integrated circuit amplifier |
AJ |
= |
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磁放大器 |
Magnet amplifier |
AM |
= |
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电子管放大器 |
Valve amplifier |
AV |
= |
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印制板 |
Printed circuit board |
AP |
= |
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抽屉柜 |
Drawer |
AT |
= |
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支架盘 |
Rack |
AR |
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非电量到 电量变换 器或电量 到非电量 变换器 |
热电 |
Ther moeleic sensor |
B |
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= |
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热电池 |
Thermo--cell |
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光电池 |
Photoelectric cell |
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测功计 |
Dynamometer |
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晶体换能器 |
transducer |
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送话器 |
Microphone |
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拾音器 |
Pick up |
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Louds peaker |
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耳机 |
Earphone |
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自整角机 |
Synchro |
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旋转 |
Resolver |
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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 inating measuring purposes) |
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压力变换器 |
Pressure transducer |
BP |
= |
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位置变换器 |
Position transducer |
BQ |
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旋转变换器 （测速发电机） |
Rotation transducer(tacho generator) |
BR |
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温度变换器 |
Temperature transducer |
BT |
= |
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速度变换器 |
Veity transducer |
BV |
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器 |
器 |
Caitor |
C |
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二进指元件延迟 器件件 |
和器件: |
Digital integrated circuits and devices: |
D |
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延迟线 |
Delay line |
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双稳态元件 |
Bistable element |
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单稳态元件 |
Monostable element |
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磁芯存储器 |
Core storage |
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寄存器 |
Register |
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磁带记录机 |
Magnetic tape recorder |
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盘式记录机 |
Disk recorder |
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其他元气件 |
本表其他地方未规定的器件 |
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E |
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= |
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发热器件 |
Heating device |
EH |
= |
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照明灯 |
Lamp for lighting |
EL |
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空气调节器 |
Ventilator |
EV |
= |
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保护器件 |
过放电器件避雷器 |
Over voltage discharge device Arrester |
F |
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具有瞬时动作的限流保护器件 |
Current threshold protective device with Instantaneous action |
FA |
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具有延时动作的限流保护器件 |
Current threshold protective device with Time-lag action |
FR |
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具有延时和瞬时动作的限流 保护器件 |
Current threshold protective device with Instantaneous and time-lag action |
FS |
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Fuse |
FU |
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限压保护器件 |
Voltage threshold protective device |
FV |
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发生器发电机 |
旋转发电机 |
Rotating generator Oscillator |
G |
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发生器 |
Generator |
GS |
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同步发电机 |
Synchronous generator |
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异步发电机 |
Asynchronous generator |
GA |
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发生器发 |
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Battery |
GB |
= |
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电机 |
旋转式或固定式变频机 |
Rotating or static converter |
GF |
= |
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信号器件 |
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H |
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声响指示器 |
Acoustical indicator |
HA |
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光指示器 |
Optical indicator |
HL |
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指示灯 |
Indicator lamp |
HL |
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接触器 |
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K |
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瞬时接触继电器 |
Instantaneous contactor relay |
KA |
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瞬 时 有或无继电器 |
Instantaneous all or nothing Rellay |
KA |
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交流继电器 |
Arnating realy |
KA |
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闭锁接触继电器（机械闭锁或永磁铁式有或无继电器) |
Latching contactor realy (all-or-nothing relay with me chanical latch or permanent magnet) |
KL |
= |
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双稳态继电器 |
Bistable relay |
KL |
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接触器 |
Contactor |
KM |
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极化继电器 |
Polarized relay |
KP |
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簧片继电器 |
Reed relay |
KR |
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延 时 有或无继电器 |
Time-delay all-or-nothing relay |
KT |
= |
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逆流继电器 |
Reverse current relay |
KR |
= |
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器 电抗器 |
感应线圈 线路陷波器 电抗器（并联和串联） |
Induction coil Line trap Reactors(shunt and series) |
L |
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电动机 |
电动机 |
Motor |
M |
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同步电动机 |
Synchronous motor |
MS |
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可做发电机或电动机的电机 |
Machine capable of use as a generator or motor |
MG |
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力矩电动机 |
Torque motor |
MT |
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模拟元件 |
运算放大器 |
Operational amplifier |
N |
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混合模拟/数字器件 |
Hybrid analogue/digital device |
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测量设备 实验设备 |
指示器件 |
Indicating devices |
P |
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记录器件 |
Recording devices |
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积算测量器件 |
Integrating measuring devices |
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信号发生器 |
Singnal generator |
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表 |
Ammeter |
PA |
= |
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（脉冲）计数器 |
(Pulse) Counter |
PC |
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Watt hour meter |
PJ |
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记录仪表 |
Recording instrument |
PS |
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时钟、操作时间表 |
Clock,Operating time meter |
PT |
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电压表 |
Voltmeter |
PV |
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电力电路 的开关器件 |
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Q |
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Circuit-breaker |
QF |
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电动机保护开关 |
Motor protection switch |
QM |
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隔离开关 |
Disconnector (isolator) |
QS |
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器 |
器 |
Resistor |
R |
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变阻器 |
Rheostat |
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电位器 |
Potentiometer |
RP |
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测量分路表 |
Measuring shunt |
RS |
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热敏器 |
Resistor with inherent variability dependent on the temperature |
RT |
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器 |
Resistor with inherent variability dependent on the voltage |
RV |
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控制、记忆、 信号电路的 开关器件选择 |
拨号接触器 连接级 |
Dial contact Connecting stage |
S |
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控制开关 |
Control switch |
SA |
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选择开关 |
Selector switch |
SA |
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按纽开关 |
Push-button |
SB |
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机电式有或无传感器 （单级数字传感器） |
All-or-nothing sensors of mechanical and electronic nature (one-step digital sensors) |
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液体标高传感器 |
Liquid level sensor |
SL |
= |
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压力传感器 |
Pressure sensor |
SP |
= |
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位置传感器（包括接近传感器） |
Position sensor (including proximity-sensor) |
SQ |
= |
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转数传感器 |
Rotation sensor |
SR |
= |
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温度传感器 |
Temperature sensor |
ST |
= |
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变压器 |
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T |
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电流器 |
Current transformer |
TA |
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控制电路电源用变压器 |
Transformer for control circuit supply |
TC |
= |
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电力变压器 |
Power transformer |
TM |
= |
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磁稳压器 |
Magmetic stabilizer |
TS |
= |
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Voltage transformer |
TV |
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变换器 |
鉴频器 |
Disoriminator |
U |
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Demodulator |
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Frequency changer |
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器 |
Coder |
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变流器 |
Converter |
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器 变换器 |
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Inverter |
U |
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= |
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Rectifier |
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点板译码器 |
Telegraph translator |
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电子管 晶体管 |
气体放电管 晶体管 晶闸管 |
Gas-discharge tube Diode Transistor Thyristor |
V |
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电子管 |
Electronic tube |
VE |
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控制电路用电源的整流器 |
Rectifier for control circuit supply |
VC |
= |
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传输通道 波 导 天 线 |
导 线 电 缆 母 线 波 导 |
Conductor Cable Busbar Waveguide |
W |
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波导定向耦合器 |
Waveguide directional Couper |
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偶极天线 抛物天线 |
ole Parbolic aerial |
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端 子 插 头 插 座 |
连接插头和插座 接线柱 电缆封端和接头 端子板 |
Connecting plug and socked Clip Cable sealing edn and joint Soldering terminal strip |
X |
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连接片 |
Link |
XB |
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测试插孔 |
Test jack |
XJ |
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插头 |
Plug |
XP |
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插座 |
Socket |
XS |
= |
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端子板 |
Terminal board |
XT |
= |
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电气操作的 机械器件 |
气阀 |
Pneumatic valve |
Y |
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电磁铁 |
Electromagnet |
YA |
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电磁制动器 |
Electromagnetically operated brake |
YB |
= |
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电磁离合器 |
Electromagnetically operated clutch |
YC |
= |
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电磁吸盘 |
Magnetic chuck |
YH |
= |
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气动阀 |
Motor operated valve |
YM |
= |
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电磁阀 |
Electromagnetically operated valve |
YV |
= |
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终端设备 |
电缆平衡网络 |
Cable balancing network |
Z |
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混合变压器 |
压缩扩展器 |
Compandor |
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晶体 |
Crystal filter |
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限幅器 |
网络 |
Network |
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