【正文】 / A 變換器，可發(fā)出 16 種雙音多頻 DTMF 信號(hào)：接收部分用于完成 DT 信號(hào)的接收、分離和譯碼，并以 4 位并行二進(jìn)制碼的方式輸出。在社會(huì)治安的現(xiàn)實(shí)需求和政府部門的推動(dòng)下，市場上國產(chǎn)和進(jìn)口的防盜報(bào)警應(yīng)運(yùn)而生。有些部門和居民小區(qū)開始派人白天守衛(wèi)、夜間巡邏，并紛紛購置防護(hù)鐵門、鐵欄桿等被動(dòng)防范措施，將主人裝在鐵籠子中以求安全。 automatic Dial。[關(guān)鍵詞]：智能防火防盜報(bào)警系統(tǒng)；自動(dòng)撥號(hào)；探測器AbstractThis article introduced in the house intelligent fireproof and theftproof alarm system. intelligent fireproof and theftproof alarm system set fireproof and theftproof function in a box, and allweather automatic detection the theftalarm and the firealarm, then dial the police sentiment automatically with telephone call. The sensor uses the microwave detector and the temperature detector, to robs the sentiment and the state separately carries on the examination, when some people broke into, microwave detector to detect unauthorized situation, and then sent to the interruption SCM applications, MCU control telephone dialup circuit , Simulated pick, automatically dial 110, and play prerecorded sound recording, when the fire occurred, the temperature detector to the fire detection, automatically dial 119 and audio recording can also set up by a number to dial, such as the victim Phone number, recording own record. This system uses the . ATMEL pany39。本系統(tǒng)采用了美國 ATMEL 公司生產(chǎn)的 AT89C51 單片機(jī)，美國公司 XICOR 生產(chǎn)的低功耗 CMOS 的串行 EEPROMX25045，加拿大 Mitel 公司生產(chǎn)的 DTMF 信號(hào)編/解碼芯片MT8888，語音模塊采用美國 ISD 公司的 ISD1420 語音芯片，整體功耗較小，兼容性好，穩(wěn)定性高。畢 業(yè) 設(shè)計(jì) 題 目 圖書館智能防火報(bào)警系統(tǒng)設(shè)計(jì)摘要本文介紹了住宅智能化中的防盜防火報(bào)警系統(tǒng)。本系統(tǒng)通過密碼來識(shí)別主人身份，系統(tǒng)開啟后只有輸入正確的密碼才能關(guān)閉系統(tǒng)。s AT89C51 SCM, . panies XICOR production of lowpower CMOS Serial EEPROMX25045, Canada, Mitel pany39。 detector目錄第一章 緒論.............................................................................................................................1第二章 系統(tǒng)設(shè)計(jì)方案.............................................................................................................2 智能報(bào)警系統(tǒng)的總體構(gòu)成..............................................................................................2 報(bào)警系統(tǒng)的功能及工作過程 .........................................................................................2第三章 系統(tǒng)硬件設(shè)計(jì).............................................................................................................4 防盜探測器電路設(shè)計(jì) .....................................................................................................4 防火探測器電路設(shè)計(jì) .....................................................................................................5 用戶端自動(dòng)報(bào)警器總體設(shè)計(jì) .........................................................................................6 自動(dòng)報(bào)警器電路設(shè)計(jì).............................................................................................6 串行 EEPROMX25045..............................................................................................8第四章 系統(tǒng)軟件設(shè)計(jì)...........................................................................................................10 控制模塊程序設(shè)計(jì) .......................................................................................................10 撥號(hào)模塊程序設(shè)計(jì) .......................................................................................................13 語音模塊程序設(shè)計(jì) .......................................................................................................15 密碼及顯示模塊程序設(shè)計(jì) ...........................................................................................16 讀寫數(shù)據(jù)模塊程序設(shè)計(jì) ...............................................................................................17第五章 系統(tǒng)的抗干擾措施...................................................................................................19 系統(tǒng)硬件抗干擾措施 ...................................................................................................19 系統(tǒng)軟件抗干擾措施 ...................................................................................................20附 錄.......................................................................................................................................21結(jié)束語.......................................................................................................................................29致 謝.......................................................................................................................................30參考 文獻(xiàn)...................................................................................................................................31 第一章 緒論改革開放以來，在城市大發(fā)展的過程中，大量外地人口涌入城市，給社會(huì)治安帶來很大壓力。一旦發(fā)生警性（如火警或煤氣泄漏），才發(fā)現(xiàn)鐵籠子將消防人員攔在事故現(xiàn)場之外，難以即時(shí)救助，實(shí)為弊端。本文所要介紹的智能防盜防火報(bào)警系統(tǒng)，正是在智能住宅蓬勃發(fā)展的背景下，為了滿足用戶對安全的強(qiáng)烈要求，而設(shè)計(jì)并開發(fā)的。當(dāng)遇到盜情、火情等各種險(xiǎn)情的時(shí)候，該系統(tǒng)可以通過電話網(wǎng)絡(luò)自動(dòng)向相關(guān)部門發(fā)出語音求救信號(hào)，從而達(dá)到保護(hù)用戶生命財(cái)產(chǎn)的目的。當(dāng)出現(xiàn)異常情況時(shí)，通過家中的電話線路自動(dòng)撥號(hào)報(bào)警，并與中央控制器建立聯(lián)系。并能夠可靠地進(jìn)行盜情、火情報(bào)警，通過電話線拔打預(yù)先設(shè)置的 16 組電話／手機(jī)號(hào)碼（小區(qū)監(jiān)控管理中心電話、用戶個(gè)人電話、用戶單位用戶端自動(dòng)報(bào)警器AT89C51密碼控制電路撥號(hào)電路 電話機(jī)接口電路語音檢測與報(bào)警電路電源電路電話、盜警電話 110 、火警電話 119 、緊急呼救電話），進(jìn)行語音報(bào)警。4.