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1、電子產(chǎn)品設(shè)計(jì)實(shí)訓(xùn)報告院(系):江西工院電子計(jì)算機(jī)系專業(yè):電氣自動化班級:電氣131班學(xué)生姓名:劉群學(xué)號:20130492實(shí)訓(xùn)時間:2014-5-24~2014-6-15指導(dǎo)老師:舒為清張琴提交時間:2014-6-16目錄一、實(shí)訓(xùn)目的…………………………………………3二、實(shí)訓(xùn)要求…………………………………………3三、實(shí)訓(xùn)環(huán)境…………………………………………3四、實(shí)訓(xùn)內(nèi)容……………………………………………31.電子元件的識別-----------------------------------------------------------
2、3(1)數(shù)碼管················································3(2)74LS48················································4(3)74LS160···············································5(4)74LS00···············································72.手工焊接------------------------------------
3、---------------------------------8(1)焊接的定義··········································8(2)錫焊材料·············································8(3)手工焊接操作要領(lǐng)··································9(4)焊接方法·············································9(5)時分電路仿真圖························
4、···············9(6)產(chǎn)品實(shí)物圖··········································103安全常識----------------------------------------------------------------------10(1)操作安全············································104protelDXP軟件學(xué)習(xí)······································115收獲和體會-------------
5、------------------------------------------------------12一、實(shí)訓(xùn)目的通過電子產(chǎn)品設(shè)計(jì)與制作(實(shí)訓(xùn)),系統(tǒng)地進(jìn)行電子工程實(shí)踐和技能訓(xùn)練,培養(yǎng)理論與實(shí)踐相結(jié)合的能力,提高獨(dú)立思考、分析和解決電子電路實(shí)際問題的能力。同時,鞏固、擴(kuò)展電子元器件及電子產(chǎn)品安裝專業(yè)知識;掌握產(chǎn)品維修和維護(hù)的基本方法,實(shí)現(xiàn)知識向能力的轉(zhuǎn)化,提高實(shí)踐動手能力。二、實(shí)訓(xùn)要求1、學(xué)會看圖、識圖,了解簡單電子產(chǎn)品的實(shí)現(xiàn)過程。2、能夠自己安裝、焊接和調(diào)試簡單的電子電路產(chǎn)品并學(xué)會使用測量儀器測量電路。3、學(xué)會分析電路,排除
6、電路故障的方法。學(xué)會記錄和處理實(shí)驗(yàn)數(shù)據(jù)、說明實(shí)驗(yàn)結(jié)果,撰寫實(shí)驗(yàn)報告。4、能夠使用計(jì)算機(jī)進(jìn)行印刷電路板的設(shè)計(jì)。5、培養(yǎng)嚴(yán)謹(jǐn)?shù)目茖W(xué)態(tài)度,耐心細(xì)致的工作作風(fēng)和主動研究的探索精神。三、實(shí)訓(xùn)環(huán)境江西工業(yè)工程職業(yè)技術(shù)學(xué)院實(shí)驗(yàn)樓302實(shí)驗(yàn)室(焊接室)實(shí)驗(yàn)樓401實(shí)驗(yàn)室(仿真室)四、實(shí)訓(xùn)內(nèi)容(1)數(shù)碼管七段數(shù)碼管一般由8個發(fā)光二極管組成,其中由7個細(xì)長的發(fā)光二極管組成數(shù)字顯示,另外一個圓形的發(fā)光二極管顯示小數(shù)點(diǎn)。當(dāng)發(fā)光二極管導(dǎo)通時,相應(yīng)的一個點(diǎn)或一個筆畫發(fā)光??刂葡鄳?yīng)的二極管導(dǎo)通,就能顯示出各種字符,盡管顯示的字符形狀有些失真,能顯示的數(shù)符數(shù)量也有限,
7、但其控制簡單,使用也方便。發(fā)光二極管的陽極連在一起的稱為共陽極數(shù)碼管,陰極連在一起的稱為共陰極數(shù)碼管,如圖所示。數(shù)碼顯示管實(shí)物圖七段發(fā)光顯示器結(jié)構(gòu)(共陰共陽)(2)74LS4874ls48芯片是一種常見的七段數(shù)碼管譯碼驅(qū)動器,常用在各種數(shù)字電路和單片機(jī)系統(tǒng)的顯示系統(tǒng)中,下面我就給大家介紹一下這個元件的衣些參數(shù)和應(yīng)用技術(shù)等資料。74ls48引腳實(shí)物圖74ls48邏輯功能表(3)74LS160同步十進(jìn)制計(jì)數(shù)器74LS160作用:實(shí)現(xiàn)計(jì)時的功能,為脈沖分配器做好準(zhǔn)備。74LS160結(jié)構(gòu)和功能160為十進(jìn)制計(jì)數(shù)器,直接清零。簡要說明:160為可
8、預(yù)置的十進(jìn)制計(jì)數(shù)器,共有54/74160和54/74LS160兩種線路結(jié)構(gòu)型式,其主要電器特性的典型值。下面是74LS160的主要電器特性:異步清零端/MR1為低電平時,不管時鐘端CP信號狀態(tài)如何,都可以完