【正文】 ........................................................................................ I ABSTRACT.............................................................................................................................. II 第一章 引 言 ...................................................................................................................... 1 智能電表應(yīng)用的意義 ............................................................................................................................. 1 智能電表的發(fā)展 ....................................................................................................................................... 1 第二章 總體方案設(shè)計 ...................................................................................................... 3 方案比較 ..................................................................................................................................................... 3 方案選擇 ..................................................................................................................................................... 6 第三章 器件介紹和單元模塊設(shè)計 ............................................................................... 7 器件介紹 ..................................................................................................................................................... 7 AT89C51 單片機 ............................................................................................................................. 7 ADE7758.............................................................................................................................................. 7 DS12887.............................................................................................................................................. 9 LCD1602............................................................................................................................................ 10 SLE4442............................................................................................................................................ 12 單元模塊設(shè)計 .......................................................................................................................................... 12 電源模塊電路 ............................................................................................................................... 12 信號采集電路 ............................................................................................................................... 14 計量模塊 ......................................................................................................................................... 15 時鐘及 LCD 顯示模塊 ................................................................................................................ 16 接觸式 IC 卡模塊 ........................................................................................................................ 18 第四章 軟件設(shè)計 ............................................................................................................. 20 南昌工程學(xué)院本科畢業(yè)設(shè)計 (論文 ) 主要軟件設(shè)計流程框圖及說明 ...................................................................................................... 20 主要芯片讀寫程序設(shè)計及設(shè)計工具 ............................................................................................. 21 第五章 仿真調(diào)試 ............................................................................................................. 26 結(jié)語 ....................................................................................................................................... 28 參考文獻(xiàn) .............................................................................................................................. 29 致謝 ....................................................................................................................................... 31 附錄 電路圖 ....................................................................................................................... 32 南昌工程學(xué)院本科畢業(yè)設(shè)計 (論文 ) 1 第一章 引 言 電表是我國電 工儀表行業(yè)中產(chǎn)量最大的產(chǎn)品。 關(guān)鍵詞： 智能 化 電表 89C51單片機 電能計量 南昌工程學(xué)院本科畢業(yè)設(shè)計 (論文 ) II Abstract Meter is one of the largest product output in electrical instrumentation industry in China, with the rapid development of high and new technology especially electronic information technology, electronic, multifunction, high accuracy and rate, the advantage of automatic meter reading and other products, and has gradually bee the mainstream of instrument meter data protection, alarm functions, and the display of power, load control, preventing electricitystolen, remote meter reading system, and other functions, ranging from measurement to data processing adopts integrated circuit as the core of electronic devices, and cancelled the meters on the longterm use of mechanical parts, with the development of the intelligent electric meter, will eventually replace the traditional electric meter used in the user. This paper application of IC card unit, 89 c51, LED displays, and oth