【正文】 畢業(yè)設計論文 設計（論文）題目： 汽車防盜報警系統(tǒng) 下 達 日 期： 2021 年 9 月 26 日 開 始 日 期： 2021 年 9 月 26 日 完 成 日 期： 2021 年 11 月 23 日 . 陜西工業(yè)職業(yè)技術學院畢業(yè)設計 第 2 頁 共 33 頁 摘 要 隨著電子技術的迅速發(fā)展，特別是大規(guī)模集成電路的出現(xiàn)，人類生活發(fā)生了根本性的變化。以單片機技術為核心的產(chǎn)品已走進了千家萬戶，汽車報警器的 出現(xiàn)更是給人們的生活帶來諸多方便，本文就實現(xiàn)了基于 AT89C51 單片機的汽車防盜報警的設計。 本設計以 AT89C51 單片機技術為核心，以各種硬件電路為基礎，軟件采用 C 語言進行編寫，為了便于擴展和更改，采用模塊化的程序設計方法，使程序設計的邏輯關系更加簡潔明了，系統(tǒng)升級更加簡單方便。利用單片機實現(xiàn)報警具有體積小、價格低、集成度高等突出優(yōu)點 ,同時利用單片機來開發(fā)防盜系統(tǒng)能使系統(tǒng)易于操作，且花費較小，因而具有廣泛的應用性。 本設計是為了解決傳統(tǒng)汽車防盜方式的缺點和不足而開發(fā)一種嶄新的集成傳感、控制和報警三大功能模 塊的汽車防盜 GSM 報警系統(tǒng)，通過安裝該報警器在汽車中，當傳感器收到汽車震動、移動信號時，以 GSM 網(wǎng)絡為信道，把報警信息通過短信通知用戶，從而實現(xiàn)準確、實時的報警效果。 系統(tǒng)以振動傳感器模塊為載體用蜂鳴器進行報警，所以可以更好的保護汽車的安全。車主可以放心停放車了。 關鍵詞： AT89C51,振動傳感器 ,GSM 報警系統(tǒng) 陜西工業(yè)職業(yè)技術學院畢業(yè)設計 第 3 頁 共 33 頁 ABSTRACT With the rapid development of electronic technology, especially largescale integrated circuits, to human life has undergone fundamental changes. With the singlechip technology as the core of products into the tens of thousands of households, the car alarm occurrence is to people39。s lives a lot of convenience, in this paper, based on AT89C51 MCU automobile antitheft alarm design. The design AT89C51 microcontroller as the core technology, with all kinds of hardware circuit software based, prepared using C language, in order to facilitate the expansion and change, modular programming methods, make the logic relation of designing program more concise, more simple and convenient system upgrade. Using single chip puter to realize the alarm has the advantages of small volume, low price, high integration advantages, at the same time, the use of singlechip microputer to the development of antitheft system can make the system easy to operate, and much smaller, so it has wide application. This design is to solve the traditional automobile antitheft method and the shortings and the development of a new integrated sensing, control and alarm functions of the three modules of automobile antitheft alarm system through GSM, the alarm is arranged in the car, when the sensor receives the vehicle vibration, mobile signal, using GSM work as a channel, the alarm information through SMS / phone users, so as to realize the accurate, realtime alarm. System for vibration sensor module carrier with a buzzer alarm, so it can better protect the safety car. Owners can rest assured that the car park. KEY WORDS: AT89C51,vibration sensor module,system through GSM 目錄 陜西工業(yè)職業(yè)技術學院畢業(yè)設計 第 4 頁 共 33 頁 第一章 緒論 ...................................................................................................................................................1 單片機的發(fā)展 .....................................................................................................................................1 設計意義 ..............................................................................................................................................1 設計方案思路 .....................................................................................................................................1 系統(tǒng)工作原理 .....................................................................................................................................2 第二章 硬件電路設計 ..................................................................................................................................3 硬件原理框圖 .....................................................................................................................................3 系統(tǒng)硬件概述 .....................................................................................................................................3 振動傳感器 .......................................................................................................................................3 、振動傳感器（ ND1）簡介： .............................................................................. 3 ND1的引腳圖及內(nèi)部示意圖： ........................................................................... 4 ND1的技術指標及參數(shù)： .................................................................................. 4 、 ND1特點及 工作原理： .................................................................................... 4 、管腳功能 .......................................................................................................... 4 電平轉(zhuǎn)換芯片（ MAX232）： ............................................................................................................4 MAX232 芯片簡介 ................................................................................................ 4 MAX232 主要特點 ................................................................................................ 6 應用 /使用 .......................................................................................................... 6 MAX232 與 RS232的連接方式： ........................................................................... 6 MAX232 的工作原理： ......................................................................................... 6 AT89C51主控模塊： ........................................................................................................................7 ㈠ 引腳功能特性： ........................................................................................ 7 AT89C51的總線結(jié)構(gòu) ......................................................................................... 8 AT89C51的功能描述 ......................................................................................... 8 TC35 模塊簡介 ....................................................................................................................................8 第三章 系統(tǒng)軟件設計 ..........................................................................................................................