船舶电气英语教学课件.ppt

Company Logo 2.4 Soldering Iron 南通理工学院 Company Logo 2.4 Soldering Iron 南通理工学院 Company Logo 2.4 Soldering Iron 南通理工学院 Instructions for soldering iron An iron is always tinned prior to soldering a component in a circuit; Pay attention to the nuts before and during the operation; Cleanliness is necessary for efficient, effective soldering; Items to be soldered also should be tinned. Company Logo 2.5 Other Common Electric Tools 南通理工学院 Vocabulary electrician 电工 plier 钳子 tool 工具 screw 螺丝 combination pliers 钢丝钳 needle-nose pliers 尖嘴钳 wire-stripping pliers 剥线钳 diagonal pliers 断线钳、斜口钳 wire crimping pliers 压线钳 screw driver 螺丝刀 electrical test pen 低压验电笔 2.5 Other Common Electric Tools 南通理工学院 pliers Combination pliers Needle-nose pliers wire-stripping pliers diagonal pliers wire crimping pliers Company Logo 2.5 Other Common Electric Tools 南通理工学院 Two categories of screw driver: flat blade screwdriver phillips head screwdriver Company Logo 2.5 Other Common Electric Tools 南通理工学院 An electrical tester pen or test pen is a device for quickly checking whether a conductor is live. The device may have the form of screwdriver ,show in following figure. Company Logo 2.5 Other Common Electric Tools 南通理工学院 Company Logo Chapter 5. Marine Electric Motor Driven Systems Chapter 4. Three Phase AC Induction Motor Chapter 3. Shipboard Electric Cable, Lighting Motor Chapter 2. Commom Measure Devices and Tools Chapter 1. Electrical Safety Contents Chapter 6. Analog Electronics Chapter 7. Digit Circuit 南通理工学院 Company Logo 3.1 Semiconductor 南通理工学院 Vocabulary semiconductor 半导体 junction 连接 model 型号 specification 规格 polarity 极性 forward 正向的 reverse 反向的 common diode 普通管 microwave diode 微波管 zener diode 稳压管 parameters diode 参量管 Company Logo 3.1 Semiconductor 南通理工学院 Diodes model naming rules Naming rules of diodes Company Logo 2.4 Soldering Iron 南通理工学院 Common diodes Light-emitting diodes zener diodes diodes Company Logo 3.1 Semiconductor 南通理工学院 Company Log