电气盘电气常用符号表

电气常用符号表

目的：为规范企业电气符号使用的统一性、规范性特制定此规范标准。

内容：电气图纸使用符号要严格按照下表执行。

表1

序号代号中文名称英文名称备注

1-001 DL 电路图Circuit diagram

JX 接线图Connection diagram

1-002

1-003 BJ 布局图Arrangement drawing

1-004 XP 插头Plug IEC

1-005 XS 插座Socket IEC

1-006 XJ 测试插孔Test jack

1-007 XT 端子排Terminal board IEC

1-008 AC 交流Alternating current

1-009 DC 直流Direct current

1-010 AC/DC交直流

1-011 N 接零

1-012 PE 接地Protective earthing

1-013 C 电容Capacitor IEC

1-014 L 电感/电抗Induction coil/reactors IEC

1-015 R 电阻器Resistor IEC

1-016 A 调节器Regulator GB-7159-87

1-017 Z 滤波器Filter GB/T.6988.1-1997 1-018 U 变频器Frequency changer GB/T.6988.1-1997 1-019 UG 直流变送器Direct-current voltage transformer

1-020 GB 蓄电池Battery

1-021 t 时间Time

表2

序号代号中文名称英文名称备注

1-022 LRA 启动电流Locked rotor current

1-023 MCC 最大运行电流Maximum continuous current

1-024 ON 闭合Close,on

1-025 OFF 断开Open,off

1-026 NO 常开Normally -open

1-027 NC 常闭Mormally-closed

1-028 IN 输入Input

1-029 OUT 输出Output

1-030 PV 电压表Voltmeter IEC

1-031 PA 电流表Ammeter IEC

1-032 HL 光指示器/指示灯Optical indicator/Indicator lamp GB-7159-87 表1 1-033 HR 红色指示灯Indicator lamp red

1-034 HY 黄色指示灯Indicator lamp yellow

1-035 HG 绿色指示灯Indicator lamp greem

1-036 HW 白色指示灯Indicator lamp white

1-037 FA 烟火报警Failure

1-038 SP 压力传感器Pressure sensor IEC

1-039 ST 温度传感器Temperature sensor GB/T.6988.1-1997

IEC

1-040 SPH 高压传感器Hing pressure sensor

1-041 SPL 低压传感器Low pressure sensor

1-042 Y 气阀Pneumaic Valve IEC

1-043 YV 电磁阀Electromagnetically operated valve GB-7159-87 表1

IEC

1-044 YE 电动执行器Electrically operated actuator

1-045 WLS 水位开关Water level switch

1-046 WPS 水压开关Water switch

1-047 WFS 水流开关Flow switch

1-048 SA 控制/选择开关Control/selector switch IEC 1-049 SB 按钮开关Push -button IEC

序号代号中文名称英文名称备注1-050 HW 高水位开关Hing water level switching

1-051 LW 低水位开关Low water level switching

1-052 HP 高压开关Hing Pressure switch IEC 1-053 LP 低压开关Low Pressure switch IEC 1-054 M 电动机Motor IEC 1-055 MC 压缩机Compressor IEC 1-056 MF 风机Motor fan IEC 1-057 FU 熔断器（保险）FUSE IEC 1-058 FV 限压保护器件Voltage threshoid protective devce IEC 1-059 KM 接触器Contactor IEC 1-060 KA 继电器Relay IEC

1-061 KT 延时继电器Time delay relay IEC 1-062 FR 热过载继电器Thermorelay IEC 1-063 FT 压缩机内置保护Compressor Thermistors protection

1-064 FS 固态模块保护Solid-state switch

1-065 T 变压器Transformer IEC 1-066 TH 热熔断器Thermal fuse

1-067 TK 风机过载保护Fan’s overheat protection is provided

1-068 TC 控制变压器Transformer for control circuit supply IEC 1-069 TA 电流互感器Current transformer IEC