人社版《電工英語》教案-Unit3

1、第 周 星期五 第5、6節(jié) 201 年 月 日課 題Unit Three House WiringLesson seven Reading Diagrams授課方式教 學(xué)目 的Learn useful expressions for using wiring plan.練，講教學(xué)內(nèi)容分析重點句子翻譯（依靠工具書，逐詞翻譯，再整句理解）難點長句翻譯教具電腦、投影課時2教 學(xué) 過 程一、 組織教學(xué)：檢查人數(shù)。二、 復(fù)習(xí)：（1） 拼讀：words116, phrases 1-6（抽查5個學(xué)生，要求掌握看音標(biāo)讀單詞的技能）（2） 簡要復(fù)習(xí)關(guān)鍵單詞三、 新課學(xué)習(xí)Dialogue：1、學(xué)習(xí)單詞1-16號并

2、把單詞意思寫在書本上；2、學(xué)習(xí)英語五種基本句型和例句（閱讀材料）3、分析、翻譯下面的句子1） Why must the installation height be from 0.45m to 1.2m above the floor level? 為什么安裝高度必須在地板之上0.45-1.2米之間？2） This provision is made for people to gain access to the facilities. 這個規(guī)定是為了讓人可以接近這個設(shè)施而設(shè)定的。3） The equipment includes the consumer unit, as it conta

3、ins devices such as MCB and RCD that may need operation or resetting by the user of the dwelling. 這個設(shè)備包括了用戶配電箱，由于它包含了例如斷路器和漏電保護(hù)開關(guān)這樣的器件，這些器件可能需要被住宅里的用戶操作或重啟。4） It protects the circuits supplying of socket out lets and the cables buried in the wall. 它保護(hù)了插座的供電電路和埋在墻里的電纜。4、聽CD，再朗讀Dialogue四、小結(jié)：1、朗讀單詞、朗讀對

4、話。2、布置作業(yè)作業(yè)布置1 抄寫本課單詞和短語。課后分析審閱簽名： 年 月 日附：Dialogue文本DialogueA: Hi, Carole. Good afternoon!B: Hey, Jim! Good afternoon. Whats the problem?A: I have something to discuss with you. Do you understand the installation instructions of the consumer unit thoroughly?B: Almost.A: Why must the installation heig

5、ht be from 0.45m to 1.2m above the floor level?B: This provision is made for people to gain access to the facilities. The equipment includes the consumer unit, as it contains devices such as MCB and RCD that may need operation or resetting by the user of the dwelling.A: Oh, I see.B: Is it necessary

6、to have RCD protection?A: Yes. It protects the circuits supplying of socket out lets and the cables buried in the wall.B: OK, I see. Thanks a lot.第 周 星期二 第5、6節(jié) 201 年 月 日課 題Unit Three House WiringLesson seven Reading授課方式教 學(xué)目 的1） Learn useful words and expressions for wiring plan.2） Try to translate s

7、entences.練，講教學(xué)內(nèi)容分析重點單詞學(xué)習(xí)、修飾語后置現(xiàn)象、句子翻譯難點句子翻譯、教具電腦、投影課時2教 學(xué) 過 程一、 組織教學(xué)：檢查人數(shù)。二、 復(fù)習(xí)：（3） 拼讀：words1641（抽查5個學(xué)生，要求掌握看音標(biāo)讀單詞的技能）（4） 簡要復(fù)習(xí)關(guān)鍵單詞Construction建造 building建筑物 wiring布線 electrical電氣的 Contractor承包商 diagram圖紙 system系統(tǒng) switch開關(guān) Lighting照明燈 device器件 living-room臥室 show顯示 Ceiling天花板 north北面 connection連接 soli

8、d固體Conduit線管 cable電纜 represent代表，表示三、新課學(xué)習(xí)：Reading diagram：1、把單詞16-41號寫在書本上；2、本課非常艱深，翻譯幾個較簡單的句子。1）A necessary part of any set of drawing for construction of a building is the wiring plan.（系+表結(jié)構(gòu)）（修飾語后置） 任何建筑物的建造圖紙都必的部分是布線計劃。2）These devices and wiring arrangements are represented by means of symbols. 這

9、些器件和布線的安排由符號的含義來表示。（被動語態(tài)）3）The living-room plan shows two three-way switching arrangements. 臥室的計劃中顯示了兩個三路開頭的布局。（主+謂+賓結(jié)構(gòu)）4）The cross lines indicate the conductors in the conduit or cable. 交叉線指示出在線管里或電纜里的導(dǎo)體。（主+謂+賓結(jié)構(gòu)）（修飾語后置）四、小結(jié)：1、修飾語后置現(xiàn)象非常普遍,在本文中還有一些例子。components of the buildings electrical system two

10、 receptacle outlets on the north wall2、布置作業(yè)作業(yè)布置1、完成課本上本課所有練習(xí)；2、翻譯Learn More課后分析審閱簽名： 年 月 日附錄：Reading的文本W(wǎng)iring diagram布線平面圖A necessary part of any set of drawing for construction of a building is the wiring plan. Architects, electrical designers, and contractors use floor plan diagrams to locate comp

11、onents of the buildings s electrical system, such as receptacle outlets, switches, lighting fixtures, and other wiring devices. These devices and wiring arrangements are represented by means of symbols. The living-room plan shows two three-way switching arrangements. In one arrangement, a ceiling ou

12、tlet is switched from two door locations. Similarly, two receptacle outlets on the north wall are switched from two separate locations. The connection between switch and ceiling outlet is drawn with a medium weight solid line, indicating that the connection (conduit or cable) is to be concealed in t

13、he wall or ceiling above. The cross lines indicate the conductors in the conduit or cable. If cross lines are omitted two wires are understood to be in the connection.第 周 星期五 第5、6節(jié) 20 年 月 日課 題Unit Three House WiringLesson Eight Installing Entrance Equipment授課方式教 學(xué)目 的Learn useful expressions for inst

14、alling entrance devices.Translations training練，講教學(xué)內(nèi)容分析重點學(xué)、認(rèn)單詞；查詢資料，完成練習(xí)（解決問題的能力訓(xùn)練）；學(xué)習(xí)對話。難點對話中的長句翻譯。教具電腦、投影課時2教 學(xué) 過 程一、 組織教學(xué)：檢查人數(shù)。二、 復(fù)習(xí)： 1 點評作業(yè)2 復(fù)習(xí)詞匯：Wiring material tool check project householdtoolbox voltage tester special get start三、 新課學(xué)習(xí)1、 Words and phrases(1-9號)2、 Look and Learn:完成Look and Learn

15、的A、B題。3、 Words and expressions:讀單詞，寫詞意4、 Dialogue：10句，了解意思，聽錄音注：常用表達(dá)（應(yīng)用練習(xí)）：Wed better 我們最好 Weve got 我們有make sure確保 otherwise 否則四、 長句翻譯訓(xùn)練：1、 Good, the materials are ready, but wed better check the tools again to make sure.好的，材料已經(jīng)準(zhǔn)備好了，但我們最好再檢查一下工具以確保（不遺漏）2、 We mustnt forget anything; otherwise the tim

16、e limit for the project will be delayed. 我們不能忘記任何東西，否則項目的工期將被延遲。（修飾語后置）3、 You tell me what youve got and Ill make sure weve got them.你告訴我你有什么，我來確認(rèn)我們已經(jīng)有了。五、小結(jié)：1、到目前為止，電工電子元器件、工具、材料的單詞復(fù)習(xí)2、布置作業(yè)作業(yè)布置1. 上節(jié)課作業(yè)完成得不好的同學(xué)重做；2. 抄寫本課詞匯課后分析審閱簽名： 年 月 日附錄：Dialogue 的文本Dialogue1) A: I think Ive got all the wiring mat

17、erials and tools.2) B: Good, the materials are ready, but wed better check the tools again to make sure. We mustnt forget anything; otherwise the time limit for the project will be delayed. You tell me what youve got and Ill make sure weve got them.3) A: OK. Weve got two household toolboxes.4) B: Ri

18、ght, weve got them. Now whats the next tool?5) A: A 3001 voltage continuity tester.6) B: Weve certainly got the tester. Its so special you cant miss it!7) A: The next tool is a wire stripper.8) B: Right, weve got it. And the last one?9) A: The last one is a fish tape.10) B: Ok, weve got that, too. N

19、ow we can get started.第 周 星期二 第5、6節(jié) 201 年 月 日課 題Unit Three House WiringLesson Eight Installing Entrance Equipment授課方式教 學(xué)目 的1、Learn useful expressions for installing entrance devices.2、Understand the Reading text, get some expressions.練，講教學(xué)內(nèi)容分析重點學(xué)、認(rèn)單詞；查詢資料，完成練習(xí)，掌握一些專業(yè)工作的表達(dá)方式。難點掌握重點單詞，表達(dá)方式的訓(xùn)練教具電腦、投影課時

20、2教 學(xué) 過 程一、 組織教學(xué)：檢查人數(shù)。二、 復(fù)習(xí)1、點評作業(yè)2、聽錄音Dialogue，完成P43的A題。4、常用Expressions的造句練習(xí)Wed better 我們最好 Weve got 我們有make sure確保 otherwise 否則Its so special that get started三、 新課學(xué)習(xí)：Lesson Eight，Reading1、 學(xué)單詞9-29，完成P42的A overhead v'hed adj. 高架的 feed fid vt. 供給transformer træns'fm n. 變壓器 attach 't&#

21、230;t vt. 附著meter 'mit n. 儀表 volt vlt; vlt n. 伏特grounded 'graundid adj. 接地的 neutral 'njutr()l adj. 中立的，中性的homeowner 'hmn n. 私房屋主 entrance 'entr()ns n. 入口pipe pap n. 管 pole pl n. 桿rod rd n. 棒 breaker 'brek n. 斷路器distribute d'strbjut; 'dstrbjut vt. 分配throughout ru'a

22、t prep. 遍及 disconnect dsk'nekt vt. 斷開incoming 'nkm adj. 引入的 main men adj. 主要的individual nd'vdj()l adj. 單獨的 branch brn(t) n. 分支step down 逐步減低 weather head 防水罩meter box 表箱 service entrance 總進(jìn)戶端ground rod 接地棒 power pole 電線桿breaker box 開關(guān)盒 fuse box 保險絲盒service panel 配電箱 branch circuit 支路2、在R

23、eading 材料中找出各專業(yè)詞匯，標(biāo)注意思。3、理解Reading的含義，用英語表述以下短語： 供電線路- service lines； 把電壓降下來- step down the voltage進(jìn)入家里- feed your home 連到XX- travels to，attached to電表箱- meter box 電力公司- power company接地中性線- grounded neutral wire 電氣面板-electrical panel開關(guān)箱-breaker box 保險絲盒-fuse box主斷路器- main breaker 分路斷路器-individual bre

24、aker在全屋分配電力-distribute power throughout your home 把電力從供電線路中斷開-disconnect power from the incoming feed四、小結(jié)1、復(fù)習(xí)學(xué)過的一些電工器材、工具單詞：Tool, tool kit, wire, cable, conduit, wire striper, pipe, fish tape, fuse box2、 本課中有幾個動詞被多次用來描述電氣布線的工作，非常有用，可認(rèn)真練習(xí)掌握。feed(喂，過去式fed) travel(旅行)，attach（附著），distribute（分布，分配）3、布置作業(yè)

25、作業(yè)布置1、完成書上Lesson7-8（P36-45）的所有填空題。2、翻譯Learn More。課后分析審閱簽名： 年 月 日附錄：Reading 文本材料Installing Entrance Equipment進(jìn)戶裝置安裝The power companys overhead service lines feed the transformer to step down the voltage to feed your home. It then travels to the weather head which is attached to a conduit connected to

26、 a meter box.Two 120 volt wires and a grounded neutral wire feed the meter through the weather head. The power company is responsible for power to the meter and the homeowner takes it from there.The electric meter is attached to the service entrance pipe and is usually attached to the side of your h

27、ouse. It may be attached to the power companys power pole also. It can be fed overhead or underground. The service must be connected to a ground rod outside the house.The electrical panel, breaker box, fuse box or service panel is the next device in line. This panels job is to distribute power throu

28、ghout your home and disconnect power from the incoming feed.The power comes in to a main breaker, then individual breakers are distributed to individual circuits (called branch circuits) throughout your home.第 周 星期五 第5、6節(jié) 201 年 月 日課 題Unit Three House WiringLesson Nine Installing Cables授課方式教 學(xué)目 的Lear

29、n useful expressions for installing cables.Translating training練，講教學(xué)內(nèi)容分析重點學(xué)、記單詞；口語訓(xùn)練；翻譯句子難點單詞、翻譯教具電腦、投影課時2教 學(xué) 過 程一、 組織教學(xué)：檢查人數(shù)。二、 復(fù)習(xí)舊課：講解作業(yè)。三、 新課學(xué)習(xí)：Lesson Nine1、Words and expressions: （1）讀單詞，寫詞意（黑體字） （2）完成Look and Learn的填空題、P48的B題（Reorder）（3）Dialogue 里同學(xué)們可能不認(rèn)識的（或前面學(xué)過的）單詞：quickly the house wiring disc

30、uss rewire shower cables take down install advice save space current consumer unit circuit breaker the light switches sockets material estimate2、學(xué)習(xí)Dialogue（10句），講解意思重點練習(xí)征詢意見、發(fā)表看法、提出建議的表達(dá)方式 Id like to discuss my plans for with you.（我想要和你討論計劃，行程）I dont want to （我不想） （拜訪他；打電話給他；浪費時間）Youll need to （你需要通

31、過考試；買一張票；下一個訂單）Thats what I want. Whats your advice on（關(guān)于你的建議是什么？這件工作；我的計劃）In your case youll need（你這種情況需要一個大屏幕；一個老婆）Id take this advice. Thats very useful.3、聽錄音，朗讀。4、Reading （1）復(fù)習(xí)出現(xiàn)在文中的專業(yè)詞匯，完成P49的練習(xí)A。 （2）簡單句子翻譯：A raceway is any enclosed channel designed for holding wires. 電纜槽是設(shè)計來支撐電線的封閉式通道。Conduits

32、 and wiring gutters are both common examples of raceways.線管和線槽都是電纜槽的普遍的例子。Raceway wiring systems are more expensive to install and require more training.電纜槽布線系統(tǒng)安裝的費用更高、需要更多的訓(xùn)練。They have the advantage that wires can be pulled out and replaces with new ones after original construction.它們的優(yōu)點是在初始的建設(shè)完工后，

33、它們很容易拔出，用新的電線替代。四、 小結(jié)：討論問題的用語;注意積累詞匯。五、布置作業(yè)作業(yè)布置翻譯Learn More課后分析審閱簽名： 年 月 日附錄：Lesson Nine 的文本DialogueA: Thanks for coming so quickly, Mr. Smith. Id like to discuss my plans for the house wiring with you.B: Yes, my boss tells me you want to rewire the rooms and put in a kitchenette and a shower.A: Yes

34、, thats right and I dont want to see all those ugly cables.B: Well, youll need to take down the unconcealed cables and install a new underground cable.A: Thats what I want. Whats your advice on the water heater?B: In your case youll need a strong water heater. Youd better install a continuous flow w

35、ater heater to save space.A: Id take this advice.B: Youll need 380-volt three phase current and a small consumer unit with（有著）circuit breakers and an RCD.A: OK. Ive got a sketch here of where I want the light switches, sockets, shower and cooker.B: Thats very useful. Ill use it to see what materials

36、 well need and give you an estimate.Reading Installing Cables電纜安裝Cable wiring methods are less expensive than raceway systems and require less training for the installer. They offer the advantage of lower first cost, but changes after initial construction are fairly difficult and expensive to make.I

37、ndividual conductors installed in tubular raceways are much less common in residential construction. A raceway is any enclosed channel designed for holding wires. Conduits and wiring gutters are both common examples of raceways. Raceway wiring systems are more expensive to install and require more t

38、raining. They have the advantage that wires can be pulled out and replaces with new ones after original construction.Certain general rules and considerations apply to all wiring methods, including the components and equipment used in the installation.第 周 星期二 第5、6節(jié) 201 年 月 日課 題Review Unit 3授課方式教 學(xué)目 的

39、1、復(fù)習(xí)7-9課的單詞、短語和口語表達(dá)。練，講教學(xué)內(nèi)容分析重點單詞、短語、表達(dá)訓(xùn)練難點單詞記憶教具電腦、投影課時2教 學(xué) 過 程一、 組織教學(xué)：檢查人數(shù)。二、 復(fù)習(xí)： 1、 Important words and phrases in Unit 3: Lesson 7Lesson 8Lesson 9contain kn'tein vt. 包含delay d'le vi. 延期，耽擱1. ugly 'gl adj. 丑陋的operation 'prein n. 操作toolbox 'tu:l,bks n. 工具箱heater 'hit n. 加熱器

40、reset ri'set vt. 重置tester 'test n. 檢測器strong str adj. 強(qiáng)的，強(qiáng)勁的protection pr'tekn n. 保護(hù)tape tep n. 帶子phase fez n. 相，階段protect pr'tekt vt. 保護(hù)feed fid vt. 供給sketch sket n. 略圖circuit 'skit n. 電路，回路transformer træns'fm n. 變壓器useful 'ju:sfl adj. 有益的，有幫助的socket 'skit n. 插

41、孔，插座meter 'mit n. 儀表cooker 'kk n. 炊具supply s'plai vt. 供給，提供volt vlt; vlt n. 伏特raceway 'reswe n. 電纜槽drawing 'dr(r)i n. 圖畫grounded 'graundid adj. 接地的installer in'st:l n. 安裝者，安裝工locate l'keit vt. 定位entrance 'entr()ns n. 入口initial 'nl adj. 最初的component km'pnnt n. 成分，