智能小區中的電子門鎖設計

電氣自動化論文編號:ZD1025    論文字數:12609,頁數:34

目 錄
摘要…………….…………..……………………………………………………………………..I
1 緒論…………………..………………………………………………………………………..1
1.1  選題背景及意義……….………………………………………………………….……..1
1.2  目前電子鎖種類……….………………………………………………………….…......1
1.3  接觸式IC卡電子鎖設計方案…………………………………………………. .. .……3
2 總體設計方案……..…..….………………………………………………………….………..5
2.1  系統總體結構………….………………………………………………………….……..5
2.2  系統硬件結構………….………………………………………………………….…......5
2.3  系統總體軟件流程…….…… …………………………………………………. .. .……6
3  單片機控制液晶顯示.……………………………………………………………….….…8
 3.1  SMC 1602A LCM 液晶概況…………..……………...……………………...….……..8
 3.1.1  主要技術參數………………..………………………………………...………...8
 3.1.2  引腳信號…………………………….……………………………………….…..8
     3.1.3  外形尺寸…………………………….…………………………………………...8
 3.2  控制器接口……………...………………………………………………………………9
  3.2.1   基本操作時序…………………………………………………………………..9
 3.2.2   狀態字說明……………………………………………………………………..9
 3.2.3   RAM地址映射…..……………………………………………………………..9
 3.3  單片機控制液晶指令…………………...………………………………………………9
3.3.1  初始化設置…………..…………………………………………………..………9
    3.3.2  數據控制………………………………………………………………………..10
   4  4*4矩陣鍵盤模塊………………………………………………………………………...11
 4.1  鍵盤的介紹………………………………………………….…………………………11
  4.1.1  鍵盤的分類…………………………………………..………………………....11
  4.2   鍵盤去抖………………………………………………….………………………......12
   4.2.1  硬件防抖技術………………………………………………………...…...12
   4.2.2  軟件防抖技術………………………………………………………...…...13
 4.3  單片機控制矩陣鍵盤…….……………………………………………………………13
5  AT89C52單片機與AT24C01 EEPROM的IIC通信………………..……………………14
 5.1  相關硬件介紹…………………………………………………………………………14
   5.1.1  AT89C52單片機介紹………………………………………………...…...14
   5.1.2  AT24C01 IC卡介紹………………………………………………………14
       5.1.3  IC卡座介紹……………………………………………………….………15
 5.2  IIC通信協議………………………………………………………………………..…16
   5.2.1  IIC總線特點……………..…………………………………………...…...16
   5.2.2  IIC總線工作原理…………………………………………………………16
       5.2.3  IIC應用AT24C01…..…………………………………………………….18
    6  系統的調試…………………………………………………………………………………24
 6.1  數字電路、單片機部分的調試………………………………………………….……24
 6.2  1602液晶顯示調試………...……………………………………………………….…24
 6.3  4*4矩陣鍵盤的調試…….…………………………………………………….………24
 6.4  單片機與AT24C01 IIC通信的調試………………………………………….………24
 6.5  系統的改進方向………………………………………………………………….……25
7  總結……………………………………………………………………………………..……26
致謝………………………………………………………………………………………………27

摘  要

 隨著人們生活水平的提高，如何實現家庭防盜這一問題也變的尤其的突出。傳統的機械鎖由于其構造的簡單，被撬的事件屢見不鮮，且始終存在門鎖鑰匙可復制的情況，這是機械鑰匙無法避免的問題。隨著電子技術的發展，人們將單片機技術、IC卡技術應用于門鎖，就產生了機電一體化完美結合的產品，即IC卡鎖。
 本文設計的智能小區中的電子門鎖，以AT24C01作IC卡，以AT89S52作為控制器，用C51語言編寫軟件，對IC卡進行讀寫。它能夠實現用IC卡及密碼開鎖，能夠很方便地重新設置密碼，對新卡實現寫密碼的功能。這種電子門鎖可用于智能小區的范圍，具有普遍的現實意義。
 
關鍵詞：家庭防盜、電子門鎖、單片機、IC卡、密碼

Abstract

 With the development of the living standard of the people, how to achieve security of the family also become particularly prominent. Traditional mechanical lock because of its simple structure, prizing frequent events, and there is always the key lock can be copied, which is the mechanical problem of the key can not be avoided. With the development of electronic technology, there will be microprocessor technology, IC card technology used in door locks, have had a mechanical-electrical integration on the perfect combination of products, that is, IC card lock.
 In this paper, the design of the Intelligent Community of the electronic door locks, IC card to be AT24C01, AT89S52, as a controller, with software written in C51, the IC card can be read and written. It can be achieved using IC card and unlock password can be easily re-set the password, the new card features write password. It can be achieved using IC card and unlock password can be easily re-set the password, the password for the new cards to write. This electronic door locks can be used for intelligent community of the scope of universal relevance.

Keywords：Family security、Electronic door locks、microprocessor、IC card、Password