【正文】 顯示段的陽極接在一起，又稱為公共端。 遙控接收器 光電開關將輸入電流在發(fā)射器上轉(zhuǎn)換為光信號射出，接收器再根據(jù)接收到的光線的強弱或有無對目標物體進行探測。現(xiàn)代的遙控器，主要是由集成電路電板和用來產(chǎn)生不同訊息的按鈕所組成。當報警器開始工作后，顯示電路用來顯示當前的溫度值和紅外值。當兩個值有一個達到閾值時，開始報警。設計采用模塊化設計原則，利用多種集成芯片，將硬件模塊和軟件系統(tǒng)組合，初步設計一個簡易的報警系統(tǒng)，用于車輛方面或者其他方面的報警。聯(lián)網(wǎng)方式也更加多元化，如由以前單一的電話組網(wǎng)擴展到可以 IP 網(wǎng)絡聯(lián)網(wǎng)、無線化的 GSM/GPRS 聯(lián)網(wǎng)等，從而更加可靠的保障了數(shù)據(jù)的安全性。第三代報警器主要是空間移動報警器（例如超聲波、微波、被動紅外報警器等），這類報警器的特點是：只要所警戒的空間有人移動就會引起報警。 遙控數(shù)顯控制系統(tǒng)的發(fā)展概況 報警器從出現(xiàn)到現(xiàn)在大致經(jīng)歷的三代。 遙控技術是對受控對象進行遠距離控制和監(jiān)測的技術。 紅外技術已經(jīng)成為先進科學技術的重要組成部分，它在各領域都得到了廣泛的應用。超聲波信號可以比較準確的感知距離。 關鍵字： 報警器；遙控；紅外；溫度 Remote Control Digital Display System Based on Single Chip Microputer ABSTRACT In recent years, alarm detects more and more signal types and requires more intelligence in order to meet the convenience of human life needs. Alarm can sense infrared signal, ultrasonic signal, gravity signal, vibration signal and remote control signals. This paper designs a safe, practical and convenient burglar alarm on the analysis of several mon alarm functions and the actual situation. This paper describes the research and development of the alarm, the advantages and the disadvantages of several different alarms and theirs popularity. The paper also analyzes the detection principles and the physical mechanisms of the popular alarms. And this paper chooses remote control signal, infrared signal and temperature signal as the detection signals. Infrared technology is a very mature technology and human eyes can not see infrared light. It can be used under different weather conditions with good concealment, and strong antiinterference ability. This kind of antitheft alarm system is widely used in homes, offices and other occasions. This design uses infrared signal as a detection signal. Temperature signal is most monly used in daily life and used in most warning systems. Particularly, temperature signal is an essential signal in the fire alarm device. Temperature signal is one of the most intuitive parameters in the specific environment. It can be monitored to judge the spot situation in order to provide the basis for subsequent operations. Remote control technology is highly attention with the development of the intelligent alarm. Remote control technology can control and monitor remote object. Remote control technology can not only control remote alarm equipment, but also monitor the basic situation of the terminal. It is used in alarm system because of the maturity of such technology. This antitheft alarm system selects the remote control signal, the infrared signal and the temperature signal as monitoring signals. Remote control signal is used to remotely control the alarm on and off. The infrared signal and the temperature signal were monitored at the same time after the opening of the alarm. The alarm was triggered when any of these signal reach its threshold. Keywords: alarm； remote control； infrared； temperature I 目 錄 第 1 章 緒 論 .............................................................. II 課題背景及研究意義 ................................................. 1 遙控數(shù)顯控制系統(tǒng)的發(fā)展概況 ......................................... 1 本課題研究的主要內(nèi)容 ............................................... 2 第 2 章 遙控數(shù)顯控制系統(tǒng)的總結 ............................................... 3 原理介紹 ........................................................... 3 每個模塊簡單介紹 .................................................... 3 遙控器 ......................................................... 3 遙控接收器 ..................................................... 4 顯示電路 ....................................................... 4 溫度傳感器 ..................................................... 4 第 3 章 遙控數(shù)顯控制系統(tǒng)硬件設計 ............................................. 6 總硬件原理圖 ......................................................... 6 傳感器的選型和特點 ................................................. 6 溫度傳感器的特點 ............................................... 7 紅外對管傳感器的特點 .......................................... 10 遙控傳感器的特點 .............................................. 12 單片機單元設計 .................................................... 14 STC89C52 單片機介紹 ........................................... 14 單片機外圍接口電路 ............................................ 17 報警條件設置 .................................................. 19 報警及控制輸出電路 ................................................ 19 顯示電路 .......................................................... 19 第 4 章 遙控數(shù)顯控制系統(tǒng)的軟件設計 .......................................... 21 軟件結構 .......................................................... 21 軟件設計程序 ...................................................... 21 主程序 ........................................................ 22 溫度數(shù)據(jù)讀取程序 .............................................. 22 中斷顯示程序 .................................................. 24 構成報警條件子程序 ............................................ 25 軟件抗干擾措施 .................................................... 26 II 第 5 章 遙控數(shù)顯控制系統(tǒng)的調(diào)試與結果 ....................................... 27 硬件調(diào)試分析的過程 .............................................. 27 軟件調(diào)試分析的過程 .............................................. 27 故障調(diào)試及分析 .................................................. 28 第 6 章 總結 ................................................................ 30 本課題的成果和意義 ................................................ 30 展望 .............................................................. 30 附錄 A 原理圖 ............................................................. 33 附錄 B 實物圖 ....................................................