【正文】 電動車防盜系統(tǒng)的設(shè)計 摘 要 隨著社會科技的進步、人民生活水平的提高和節(jié)能環(huán)保意識的增強，生活中的交通工具正在向污染少、能耗低的方向發(fā)展，而電動車正屬于其中之一。電動車的環(huán)保、節(jié)能、輕便、成本低等特點，使它受到越來越多人的喜愛。而隨著電動車的普及，它的防盜問題也越來越突出。為了更好地解決防盜問題，應(yīng)用新技術(shù)來設(shè)計電動車防盜系統(tǒng)是非常必要。 本課題的主要內(nèi)容是設(shè)計一個單片機控制的電動車防盜系統(tǒng)，該防盜系統(tǒng)采用單片機 AT89S52 作為整個系統(tǒng)的控制核心。該系統(tǒng)對于車主來說，是用遙控器控制電動車的布防、撤防 和尋車三種狀態(tài)，只有當(dāng)按下撤防鍵后才能進一步啟動電動車。防盜的功能是通過振動傳感器模塊檢測電動車的異常振動信號，且把感應(yīng)到的振動信號轉(zhuǎn)換為電平信號，傳遞給單片機，通過程序判斷是否報警，如果為報警信號，則利用 GSM 無線通信模塊 TC35 向預(yù)設(shè)的車主手機發(fā)送報警短信，且通過揚聲器發(fā)出警報聲， 以此來威懾不法分子，達到保護電動車的目的 。而電動車的啟動是通過語音來控制的，必須通過正確語音密碼才能啟動，因此能起到更高強度的防盜功效。 本課題設(shè)計的多功能電動車防盜系統(tǒng)與普通的防盜系統(tǒng)的不同之處在于，其能夠在發(fā)出報警聲的同時 ，利用 GSM 無線通信技術(shù)發(fā)送短信至車主手機，且利用語音識別技術(shù)來識別啟動密碼，進而啟動電動車，替換了使用鑰匙啟動的方式，使防盜效果達到更高的層次。 關(guān)鍵詞 ：電動車；防盜系統(tǒng)；傳感器；報警信號 Abstract With the advancement of social technology, the improve of people39。s living standards and the strengthen of energysaving environmental protection awareness, the direction of life transport is less to pollution, low energy consumption, and the electric car is belong to one of them. The characteristics of the electric car are environmental protection, energysaving, portable, lowcost and so on, and that make it popular in more and more people. But with the popularization of electric car, its antitheft problem is also being more prominent. In order to solve the antitheft problem, application of new technologies to design the electric car antitheft system is necessary. The main content of this topic is the design a electric car antitheft system which controlled by a Single Chip Microputer, this electric car antitheft system uses a AT89S52 MCU as the core of control in the whole system. To the owner of car, this system is using remote controller to change the three states of electric car in deploying defense ,cancel defense and search car, and then only press down the cancel defense button can you start the electric car . The function of the antitheft system is detected the abnormal vibration signal by vibration transducers module,and then convert the vibration signal to level signal, finally, transport the level signal to the MCU and judge whether it is the warning signal. If it is the warning signal ,so send a warning message to the owner’s mobile phone by TC35 GSM wireless munication module, and make a warning sound through speakers, deter criminals by this way, achieve the purpose of protection the electric car. By the way, start the electric car by Speech Recognition, it is necessary to input a correct password to start it, so that, it can reached a higher level’s antitheft. The multifunction electric car antitheft system of this project is difference from the ordinary antitheft system, it can make a warning sound and at the same time send a warning message to the owner’s mobile phone by TC35 GSM wireless munication module, also it use the voice recognition technology to identify password, then start the the electric car, it take the place of the key, make the antitheft to achieve a higher level. Key word: electric car。 antitheft system。 transducers。 warning signal 桂林電子科技大學(xué)畢業(yè)設(shè)計（論文）報告用紙 第 III 頁 共Ⅳ頁 目 錄 1 緒論 .................................................................................................................................... 1 電動車防盜系統(tǒng)的研究背景 ............................................................................................. 1 國內(nèi)電動車防盜系統(tǒng)的發(fā)展現(xiàn)狀 ..................................................................................... 1 論文研究的內(nèi)容及意義 ..................................................................................................... 2 本系統(tǒng)的設(shè)計要求和特點 ................................................................................................. 2 2 硬件方案的選擇及論證 .............................................................................................. 3 系統(tǒng)框圖的繪制 ................................................................................................................. 3 振動傳感模塊方案 ............................................................................................................. 3 基于振動傳感器 ZD25 的方案 ........................................................................................ 3 基于 SW18010P 振動開關(guān)的方案 .................................................................................. 4 遙控發(fā)射接收模塊方案 ..................................................................................................... 5 基于紅外的發(fā)射接收系統(tǒng) ............................................................................................... 5 基于 電磁波的發(fā)射接收系統(tǒng) ........................................................................................... 5 語音識別模塊方案 ............................................................................................................. 6 基于 LD3320 芯片的方案 ................................................................................................ 6 基于 SPCE061A 芯片的方案 ........................................................................................... 7 3 防盜系統(tǒng)硬件設(shè)計原理介紹 ..................................................................................... 9 單片機 AT89S52 系統(tǒng)及其外圍電路 ................................................................................ 9 單片機的介紹 ................................................................................................................... 9 單片機外圍電路簡介 ..................................................................................................... 10 振動傳感器模塊 ............................................................................................................... 12 無線遙控發(fā)射模塊 ........................................................................................................... 12 無線接收模塊 ................................................................................................................... 13 音效報警模塊 ..................................................