【正文】 濟(jì)南大學(xué)泉城學(xué)院畢 業(yè) 設(shè) 計(jì)題 目 滾動(dòng)式廣告窗系統(tǒng)設(shè)計(jì) 專 業(yè) 機(jī)械設(shè)計(jì)制造及其自動(dòng)化 班 級(jí) 機(jī)設(shè)07Q1 學(xué) 生 王坤 學(xué) 號(hào) 20073006101 指導(dǎo)教師 王新華 二〇一 一 年 五 月 二十六 日摘 要本文介紹了滾動(dòng)式廣告窗的概念、發(fā)展現(xiàn)狀、控制系統(tǒng)、未來(lái)的發(fā)展趨勢(shì)，以AT89C2051單片機(jī)為核心的滾動(dòng)式廣告窗控制系統(tǒng)原理以及系統(tǒng)的硬件方面的設(shè)計(jì)，其中包括單片機(jī)的型號(hào)、引腳功能介紹，步進(jìn)電動(dòng)機(jī)的特性、原理及驅(qū)動(dòng)電路圖，超聲波接收與發(fā)射原理及電路圖的設(shè)計(jì)以及語(yǔ)音電路圖的設(shè)計(jì)，通過(guò)對(duì)各個(gè)部分的功能的理解明確了整個(gè)系統(tǒng)的工作流程，并做出了整個(gè)軟件結(jié)構(gòu)流程圖，實(shí)現(xiàn)了以 AT89C2051單片機(jī)為核心的滾動(dòng)式廣告窗控制系統(tǒng) ，通過(guò)超聲波發(fā)射電路和接收電路檢測(cè)廣告窗前有人停留時(shí)，播放語(yǔ)音廣告信息；無(wú)人停留時(shí) ，則通過(guò)單片機(jī)控制步進(jìn)電動(dòng)機(jī)按一定時(shí)間周期滾動(dòng)顯示窗內(nèi)廣告畫面，實(shí)現(xiàn)了靜態(tài)廣告畫面旋轉(zhuǎn)的自動(dòng)控制，提高了廣告宣傳的效果。關(guān)鍵詞：廣告窗；AT89C2051單片機(jī)；步進(jìn)電動(dòng)機(jī)；超聲波發(fā)射與接收；語(yǔ)音電路。ABSTRACTThis paper introduces the concept of rollingup ads windows development Status,Control System,Future trends,AT89C2051 microcontroller to rollingup ads as the core principle of the window control system and System hardware design, These include the type single chip, pin Features, Stepper motor characteristics, principle and driving circuit, Receiving and transmitting ultrasonic principle and circuit design and schematic design of speech, By understanding the function of each part clear of the whole system work flow, And make a flow chart of the software structure, AT89C2051 microcontroller implements the rollingup ads as the core control system of the window, The ultrasonic transmitter and receiver circuit when the ads to the window was to stay, play audio advertising information。 Nobody stays, the stepper motor through the SCM at a certain time period within the advertising screen scroll the display window, Rotating static advertisements to achieve automatic control of the screen to improve the effectiveness of advertising.Key words：Advertisement Window, AT89C2051 Microcontroller, Stepping Motor, Ultrasound transmitter and receiver, electric circuit.目 錄摘要IABSTRACTII1 前言1 滾動(dòng)式廣告窗的概念和基本特性1 滾動(dòng)式廣告窗的控制系統(tǒng)及基本工作過(guò)程222 系統(tǒng)的總體設(shè)計(jì)53 單片機(jī)介紹6 6 單片機(jī)編程語(yǔ)言的介紹7 AT89C2051引腳功能介紹84系統(tǒng)的硬件設(shè)計(jì)11
步進(jìn)電機(jī)及驅(qū)動(dòng)電路的設(shè)計(jì).............................................................................