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1、船舶电气专业英语 Marine Electrical Professional English,南通理工学院,教学目的,_ _ _,,_ _,Company Logo,“船舶电气专业英语”，是一门应用性很强的基础课程。它体现了船舶电气专业与英语的结合。是从事船舶电气行业技术研究必须具备的一项技能。 前期应具备的学科基础：船舶电气设备、大学英语。,南通理工学院,授课思路,,Company Logo,结合船舶电气专业，讲解英语中的基本元素。,各项能力培养的基础,南通理工学院,,Company Logo,授课内容,内容选择： 以船舶电气管理中涉及的电工工艺、电气控制、电子技术等为主线，主要选择以下7
2、方面内容：,船舶电气安全知识 常用测量仪表和工具 船舶照明电路和船用电缆 三相交流异步电机 船舶电力拖动系统 模拟电子技术 数字电路,南通理工学院,,Company Logo,教学目标与考核方式,考核方式： 平时成绩和期终考试相结合。 平时成绩：出勤情况、课堂表现、作业。 终期考试成绩：期末测验,教学目标： 熟悉并掌握常用船舶电气专业英语词汇发音及含义。 快速，准确理解船舶电气专业英语文献的含义。 具备对普通船舶电气专业英语文献的翻译能力。,南通理工学院,专业词汇的掌握是第一位的 没有专业词汇量，英语建筑就没有基石,,Company Logo,Chapter 5. Marine Electri
3、c 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,1 Electrical Safety,Vocab
4、ulary voltage 电压 current/ohm corrosion 腐蚀 corrode deterioration 恶化 deteriorate elaborate 详尽的 hazard 危险 precaution 预防 vulnerable 易受伤害的 energize 激励、通电 (de-energize) threshold 临界值 resistance 阻力 resist momentarily 随时地 moment minimize 最小化 maximum 最大化 accidental 意外的 conductor 导体 terminal 末端 flammable 可燃性的
5、,南通理工学院,insulation 绝缘 insulate wire 电线 static 静态的 dynamic navigational 航行的 accessory 附件 /ekseseri/ discharge 排放 capacity 容量 capacitor cable 电缆 battery 电池 rotate 旋转 rotation reciprocate 往复运动 motor 发动机 install 安装 extinguisher 灭火器 OBA-oxygen breathing apparatus 氧气呼吸机 spontaneous 自发的,,Company Logo,1 Ele
6、ctrical Safety,Phrase/Sentence The electrical equipment on board a ship is subjected to a lot of more harsh treatment. 遭受 How to prevent (Sb.) from being electric shocked 阻止某人做某事 Many workers are unaware of 意识不到 When personnel come in contact with energized conductors接触 in next to no time 很快 circuit
7、 breakers 断路器 radar and navigational equipment 船舶雷达和导航设备 insulate oneself from 使隔离 deprive of 失去,南通理工学院,,Company Logo,1.1 Electrical Hazards and Precaution,Marine electrical hazards: Electrical shock Arc-flash Arc-blast,voltage /电压 moisture / 潮湿 electric shock /触电 electrical fire/ 电气着火 electrical ha
8、zards /电气危害 Arc-flash /电弧灼伤 Arc-blast /电弧击伤,All these three things will cause personnel injury, while the latter two will also cause electrical fire. Thus ,we need to know how to prevent from being electric shocked and breaking out of electrical fire,南通理工学院,,Company Logo,1.1.1Electric Shock,When per
9、sonnel come in contact with energized conductors they receive a shock with current flowing through their skin, muscles and organs. There are three basic pathways electric current travels through body: Touch potential Step potential Touch/Step potential,50 mA- the safety current 36 V- the safety volt
10、age 12 V the absolute safety voltage,current intensity / 电流强度 threshold /临界值 resistance / 阻力 ohm /电阻,humid or foggy situation 潮湿有雾的环境,energized conductor / 通电导体,南通理工学院,,Company Logo,review,review,南通理工学院,Question 1 What do marine electrical hazards include? Question 2 What is safety voltage when peop
11、le directly contact with? Question 3 How many pathways are there electric current traveling through the body ?,,Company Logo,1.1.2.Arc-flash and Arc Blasts,The hazards of Arc-Flash and Arc Blast: Third degree burn, possible blindness, shock and so on Release toxic gases Potential damage to electrica
12、l equipment,conductor 导体 terminal 端点 electrical equipment 电气设备 raceway 电缆 circuit 电路 insulator 绝缘体 be responsible for 对负责,南通理工学院,,Company Logo,1.1.2.Arc-flash and Arc Blasts,The reason of electrical safety hazards : worn or broken conductor insulation Exposed live parts Loose wire connections improp
13、erly maintained switches and circuit Water or liquid near electrical equipment high voltage cable static electricity damaged tools and equipment,南通理工学院,,Company Logo,1.1.3 Safety Precautions for Preventing Electric Shock,The safety precautions when working on electrical equipment： Stand clear of ope
14、rating radar and navigational equipment never work alone The power source should be tagged out keep covers closed discharge capacitors and insulate yourself remain calm and consider possible consequences,Radar and navigational equipment 船舶雷达和导航设备 maintain 维修/管理 discharge 排放 capacitor 电容器 component 电
15、气元件 reciprocate 往复运动,南通理工学院,,Company Logo,review,review,南通理工学院,Question 1 What will an Arc-flash and Arc-blasts lead if personnel directly exposed to it? Question 2 What is the most common cause of Arc-flash and other electrical accidents?,,Company Logo,1.2 Electrical Fire Prevention and Handling,Ev
16、eryone on the ship should know how to use the fire extinguishers Carbon dioxide is the choice for fighting electrical fires,misuse / 误用 maintenance / 维护 extinguisher / 灭火器 electrical fires / 电气火灾 secure / 停止 cut off the power / 切断电源 apparatus / 设备,南通理工学院,,Company Logo,1.3 First Aid for Electrical Sh
17、ock,The procedures as followed: Remove victim from electrical contact with any nonconductor of electricity Determine the cardiopulmonary status of casualty，start CPR other physical injuries should be treated keep the victim warm,南通理工学院,,Company Logo,1.3 First Aid for Electrical Shock,shock / 休克、震动 t
18、reatment / 处理、治疗 first aid / 急救护理 be / come in contact with/ 和接触 energize-de-energize / 通电/不通电 energized conductors/circuit/ 通电导体/通电电路 endanger/ 使遭到危险 endanger oneself / 使某人遭到危险 exposure /暴露,南通理工学院,单词达人,,Company Logo,Assignment,Assignment 单词、词组中英文互译 危害 （ ） 临界值（ ） 电气（ ） 通电（ ） 绝缘层（ ） 导体（ ） 预防（ ） 设备（ ）
19、 电流（ ） 电压 （ ） 电阻 （ ） 导体（ ） resistance （ ） flammable （ ） arc-flash （ ） material （ ） motor （ ） wire （ ） cable （ ） injury （ ）,南通理工学院,,Company Logo,Assignment,Assignment 单词、词组中英文互译 Arc-blasts （ ） threshold （ ） personnel injury （ ） minimize （ ） electric shock （ ） electrical fire （ ） on board （ ） current
20、intensity （ ） radar and navigational equipment （ ）,南通理工学院,,Company Logo,Assignment,Assignment 中英文互译 在日常生活中，我们必须要懂得基本的安全用电知识。 电气危害容易造成人员伤亡和引发设备着火。 在进行电气设备的维护时，工作人员务必要做好预防措施。 Once personnel come in contact with energized conductors, they are easy to get shocked. The workers who are unaware of the pote
21、ntial electrical hazards will be vulnerable to get injured. When electrical fire happens on board, we should calm down and handle correctly.,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 Mo
22、tor,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,2.1 Multi-meter,Vocabulary measure 测量 device 设备 meter 米、仪表 multi-meter 万用表 ammeter 电流表 voltmeter 电压表 ohmmeter 电阻表 troubleshoot 故障排解 quanti
23、ty 数据 capacitance 电容 conductance 导电率 inductance 电感 diode 二极管,南通理工学院,transistor 三极管 digital multi-meters 数字式 万用表 analog multi-meters 指针式 万用表 amplifier 放大器 Portable 便携的，手提的 needle 指针 overload 过载 install 安装 range 范围 optimize 调整、优化 deflection 偏差 (deflect),,Company Logo,2.1 Multi-meter,Phrase/Sentence Di
24、gital multi-meter generally take measurement with accuracy superior to analog counter-parts 比好的 Standard portable digital multi-meters claim to be capable of (doing) 要求能够 be necessary to 对有必要 comparatively similar 大同小异,南通理工学院,,Company Logo,2.1 Multi-meter,Phrase/Sentence There are two categories of
25、digit multi-meters there be 结构 make current/voltage /resistance measurement 测量电流/电压/电阻 As (soon /low/loudly形容词/副词/形容词+名词)as possible be worth doing/be worthy of 值得做,南通理工学院,,Company Logo,2.1 Multi-meter,The multi-meter can measure many quantities: Voltage in volts Current in amperes Resistance in ohm
26、s Diodes and transistors,南通理工学院,Two categories of multi-meters digital multi-meter analog multi-meter,Switched range multi-meters Auto-range multi-meters,multi-meter 万用表 ammeter 电流表 voltmeter 电压表 ohmmeter 电阻表 capacitance 电容 conductance 导电率 inductance 电感 diode 二极管 Transistor 三极管 needle 指针,,Company Lo
27、go,review,review,南通理工学院,Question 1 How many quantities can multi-meter can measure? Question 2 What will you choose between digit multi-meter and analog multi-meter ?,,Company Logo,review,review,南通理工学院,multi-meter ammeter voltmeter ohmmeter current voltage,conductor energize digital analogy electric
28、al safety hazard,resistance wire circuit,,Company Logo,2.1.2 Operate a DMM and an analog multi-meter,how to operate a DMM and an analog multi-meter turn the meter on insert the probes into the correct connections set switch to the correct measurement type optimize the range for the best reading plac
29、e the probes into the voltage measurement sockets and turn the range to maximum voltage,南通理工学院,,Company Logo,review,review,南通理工学院,Question 1 How many quantities can multi-meter can measure? Question 2 What will you choose between digit multi-meter and analog multi-meter ?,,Company Logo,2.1.3 Make cu
30、rrent, voltage and resistance measurement,Vocabulary connect 连接 diagram 图表 current 电流 voltage 电压 resistance 电阻 resistor 电阻器 socket 插座、穴 positive (terminal) 正极的 negative (terminal) 负极的 backward 反向的 acceptable 可接受的(be # to),南通理工学院,alternating 可交替的 short circuits 短路 open circuits 开路 calibration 刻度 para
31、meter 参数 meter probe 表笔 item 参数 check for 检查 connect together 把连接起来 combine with 使结合,diagram b diagram c diagram d,,Company Logo,2.1.3 Make current, voltage and resistance measurement,南通理工学院,Measuring voltage with a multi-meter Measuring current with a multi-meter Measuring resistance with a multi-m
32、eter,具体测量电流电压电阻的方法见书本,,Company Logo,review,review,南通理工学院,multi-meter ammeter voltmeter ohmmeter current voltage,conductor energize digital analogy electrical safety hazard,resistance wire circuit,,Company Logo,2.1.3 How to test diodes and transistors with multi-meter,Vocabulary diode 二极管 transistor
33、三极管 detect 探测 perform 执行 cathode 阴极 anode 阳极 base 基级 collector 集电极 emitter 发射极 deflection 偏差 junction 连接,南通理工学院,coil 线圈 capacitor 电容器 relay 接替、继电器 open circuit 开路 short circuit 短路,,Company Logo,2.1.3 How to test diodes and transistors with multi-meter,南通理工学院,2.1.4 How to test diodes and transistors
34、with multi-meter,南通理工学院,diode test set the meter to its ohms range connect the cathode terminal of the diode to the terminal marked positive on the multi-meter, and the anode to the negative or common terminal set the meter to read ohms, and “lowish” reading should be obtained reverse the connection
35、,,Company Logo,2.1.4 How to test diodes and transistors with multi-meter,南通理工学院,different categories of transistors,2.1.4 How to test diodes and transistors with multi-meter,南通理工学院,set the meter to its ohms range(middle ohms range) connect the base terminal of the transistor to the terminal marked p
36、ositive on the multi-meter, connect the terminal marked negative or common to collector, it should read open circuit with the terminal marked positive still connected to base, repeat measurement with positive terminal connected to the emitter,transistor test,2.1.4 How to test diodes and transistors
37、with multi-meter,南通理工学院,reverse the connection connect the positive terminal, first to the collector, then take it to the emitter. the meter should deflect. connect the meter negative or common to collector and meter positive to emitter .check meter reads open circuit. reverse the connection If the
38、transistor passes all the tests ,it is ok.,,Company Logo,2.1.4 How to test diodes and transistors with multi-meter,南通理工学院,The structure and sign of transistors,Use multi-meter to determine transistor type and its pole： Firstly, use multi-meter determine the base and type of the transistor; Then, it
39、is easy to tell the other poles of the transistor using the books method.,,Company Logo,2.2 Meg-ohmmeter,南通理工学院,Vocabulary meg-ohmmeter （megger）兆欧表 resistance 阻力 instrument 仪器 portable 便携的 coil 线圈 combination 组合 generator 发电机 current 电流 voltage 电压 measure 测量 energize(de-energize) 通电,circuit 电路 condu
40、ctor 导体 clockwise 顺时针 counterclockwise 逆时针 depend on/upon 依赖于 connect with 连接 be independent of独立,,Company Logo,2.2 Meg-ohmmeter,南通理工学院,Construction of a meg-ohmmeter a hand driven dc generator the instrument portion,Two coils,,Company Logo,2.2 Meg-ohmmeter,南通理工学院,,Company Logo,2.2 Meg-ohmmeter,南通理工
41、学院,Instructions for using a megger,Cut off the power Short circuit test and open circuit test clean the measuring surface kept the hand crank rotate evenly use multi-core wire If the pointer reaches zero ,stop rotating the hand crank the resistance voltage of capacitor should be higher than the rate
42、 voltage of megger,,Company Logo,2.3 Clamp-on Ammeter,南通理工学院,Vocabulary clamp 夹钳、螺丝钳 ammeter 电流表 common 普通 digital 数字的 Analog 指针的 restrict 限制 wire 电线 transformer 变压器 winding 线圈 magnetic 有磁性的 range 范围,precaution conductor current voltage ohm cable,,Company Logo,2.3 Clamp-on Ammeter,南通理工学院,Characteris
43、tic of clamp-on ammeter It is restricted to AC circuits At top of it is a set of jaws It can only measure one conductor at a time,The instructions of using clamp-on ammeter have been described in the books. Lets look at the books.,,Company Logo,2.3 Clamp-on Ammeter,南通理工学院,,Company Logo,2.3 Clamp-on
44、Ammeter,南通理工学院,,Company Logo,2.3 Clamp-on Ammeter,南通理工学院,,Company Logo,2.4 Soldering Iron,南通理工学院,Vocabulary solder 焊接、焊料 iron 烙铁 weld 焊接 inside 内部 outside 外部 wattage 瓦数 power 电源、功率 generate 产生 integrate 使完整、集成 soldering iron 电烙铁 pull out 拔下,,Company Logo,2.4 Soldering Iron,南通理工学院,Two categories of soldering iron: Inside heating type outside heating type,Tell me which one is inside heating type?,,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,