【正文】 圖33 放大電路圖 時鐘電路的設(shè)計 XTAL1和XTAL2分別為反向放大器的輸入和輸出。因為一個機器周期含有6個狀態(tài)周期，而每個狀態(tài)周期為2個振蕩周期，所以一個機器周期共有12個振蕩周期，如果外接石英晶體振蕩器的振蕩頻率為12MHZ，一個振蕩周為1/12us，故而一個機器周期為1us。上電復(fù)位復(fù)位時在單片機接通電源時，對單片機的復(fù)位。圖35（b）為外部手動復(fù)位電路的電路示意圖。下圖36所示為發(fā)光二極管報警電路。用這些元器件組成的一些單片機外圍應(yīng)用電路，以及單片機的手工復(fù)位電路等。同時，可以利用手工按鍵停止的聲光報警的作用。sbit s3 =P3^2。void baojing(){ uint8 counter。 TR0 = 1。 counter++。 } }}void zs(){ zhishi=s3。 fun()。4) 支持大量的存儲器和外圍芯片。Keil 提供了包括C編譯器、宏匯編、連接器、庫管理和一個功能強大的仿真調(diào)試器等在內(nèi)的完整開發(fā)方案，通過一個集成開發(fā)環(huán)境將這些部分組合在一起。 圖41 仿真電路 當(dāng)按下按鍵S1時，表示有信號輸入，經(jīng)單片機處理可使圖中的LED綠燈點亮，LED紅燈閃爍，蜂鳴器不斷發(fā)出報警聲音，產(chǎn)生聲光報警。PRO/E現(xiàn)在已經(jīng)是三維建模軟件軟件領(lǐng)域的領(lǐng)頭羊之一，它具有參數(shù)化設(shè)計和特征功能、單一數(shù)據(jù)庫、全相關(guān)性、基于特征的參數(shù)化造型、數(shù)據(jù)管理、裝配管理、易于使用等特點和優(yōu)勢，獲得了廣大用戶的好評。 1）草繪：畫一個長方行，長12cm、寬6cm； 2）進行拉伸：將畫好的草繪進行拉伸，； 3）進行倒圓角：將拉伸好的繪圖進行倒圓角。圖52 防盜報警器外殼探測器設(shè)計 防盜報警器外殼揚聲器設(shè)計在探測器下方草繪一個圓環(huán)，直徑大約為3cm，進行拉伸，再去除這部分材料，經(jīng)倒圓角，揚聲器部分便設(shè)計完成。如圖54為防盜報警器外殼LED紅綠燈設(shè)計圖。兩個按鍵一個為暫停按鍵，另一個為復(fù)位按鍵，分別起到暫停和復(fù)位的作用。中心嵌入的棕色部分采用特殊材料制成的薄膜，主要是起到接收紅外線的作用。該防盜報警器通過以AT89C51單片機為工作處理器核心，外接熱釋電紅傳感器，它是一種新穎的被動式紅外探測器件，能夠以非接觸方式探測出人體發(fā)出的紅外輻射，并將其轉(zhuǎn)化為相應(yīng)的電信號輸出，同時能有效的抑制人體輻射波長以外的紅外光線與可見光的干擾。防盜報警系統(tǒng)的報警功能雖然得以實現(xiàn)，但仍然存在很多缺點。這次的鍛煉，促進了本人與同學(xué)、老師的交流，增進了相互之間的友誼，也提高了本人對細(xì)節(jié)問題的處理能力。附錄A 外文翻譯原文Based on infrared alarm technology security systems1 the introduction With the development of society and science and technology unceasing development, people39。 Infrared detector, Acoustooptic alarm circuit。它在以前的防盜器基礎(chǔ)上進行了很大的改進，由于使用了單片機做信號處理器，不但可以用于單一的住宅區(qū)，也可以用于較大規(guī)模住宅區(qū)的防盜系統(tǒng)。2 硬件系統(tǒng)設(shè)計 紅外防盜報警系統(tǒng)的硬件設(shè)計 由于本設(shè)計側(cè)重于家庭防盜，實時監(jiān)控的范圍比較狹窄，因此本設(shè)計只需使用一個被動式紅外探測器就足夠。l2. 聲光報警。紅外探測器。工作狀態(tài)指示電路。之后，等待下一次報警。 系統(tǒng)調(diào)試通過電路的焊接，各個模塊功能的調(diào)試。 附錄C 防盜報警系統(tǒng)原理圖附錄D 設(shè)計編程程序include typedef unsigned char uint8。sbit light=P3^0。 TMOD = 0x01。 while(s3) { if(1 == TF0) { TF0 = 0。 } if(25 == counter) { counter = 0。zhishi=s1。} }void main(){ zs()。 speaker=~speaker。 TL0 = 0x00。 TL0 = 0x00。sbit zhishi=P1^2。sbit s1 =P1^0。最總系統(tǒng)調(diào)試通過，誤差符合要求。延時后單片機檢測P1口狀態(tài)，檢測電平信號是否突變，如果是則調(diào)用報警處理程序，包括自動撥號程序和聲光報警程序，如果電平。在這30s內(nèi)如果有人按下消除報警的開關(guān)，則解除報警。電話自動撥號報警電路。l4. 持續(xù)不間斷供電。 (2)可進行自動報警(自動撥號報警和聲光報警)。在我國，目前市面上報警器主要有壓力觸發(fā)式防盜報警器開關(guān)電子防盜報警器和壓力遮光觸發(fā)式防盜報警器等各種報警器，但這幾種比較常見的報警器都存在一些缺點。 Power supply circuit, Working state instructions circuit. Its system working principle for: the sensors will be detected signals to lead signal processor processing, microcontroller judgment to mouth have pulse falling edge jumping signal immediately transferred to the acoustooptic alarm program, at this moment, the red light buzzer alarm rapid flashes, lasted 30s. In the 30s inside if someone press the switch, then eliminate alarm remove alarm. if this time no one remove alarm, the proof nobody at home in 30s system will automatically triggers telephone finish the whole system of police work project. Later, microcontroller will continue to cycle back ?3 software system designMicroputer in the initial plus electric, voltage is not steady state, causing instability, at this time the SCM in monly after power up to system with a piece of delay. Timelapse after detecting P1 mouth microcontroller state, detection level signal whether mutations, if is then calls the police processing procedure, including automatic dialup audible and visual alarm procedures, if no changes, ChuXiang level detection continues to P1 mouth state.4 system debugging and test software debuggingAdopt modularization program design thought, first debugging subroutines, then gradually superposition debugging, through Proteus simulation software debugging, proof program can realize its function. system debuggingThrough the circuit of welding, each module function missioning. I put the hardware that occur errors adjusted, in addition, infrared that piece, because is employing redirected of pyroelectric switch modified, so in must be taping photoconductive resistance to rise, has arrived in the days and nights can alarm function. The total system missioning, through, error meets the requirement.5 closingThis system uses a pyroelectric infrared sensor, its make simple low cost and installation are more convenient and antitheft performance is stable and strong antijamming capability, high sensitivity, safe and reliable. 附錄B 外文翻譯譯文基于紅外報警技術(shù)的防盜系統(tǒng)1 緒論 隨著社會的不斷進步和科學(xué)技術(shù)不斷發(fā)展，人們生活水平得到很大的提高，對私有財產(chǎn)的保護手段在不斷的增強，對防盜設(shè)施的智能化提出了新的要求。s the job of the performance is good, do not appear to report and misstatement phenomenon, safe and reliable.In our country, the present market condition alarm basically has triggered alarm system pressure switch electron and alarm system and pressure shading triggered alarm system, etc. Various kinds of alarm, but this several mon alarm there are some shortings. This system USES a human pyroelectric infrared sensor in the human body detector in the flied, passive pyroelectric infrared detectors because of its low cost, easy fabrication, low cost, installation is more convenient, antitheft performance is stable and high sensitivity, safe and reliable, has attracted broad