<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="utf-8"><meta name="generator" content="pdf2htmlEX"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/css/base.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/10347060/raw.css"><script src="https://csdnimg.cn/release/download_crawler_static/js/compatibility.min.js"></script><script src="https://csdnimg.cn/release/download_crawler_static/js/pdf2htmlEX.min.js"></script><script>try{pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({});}catch(e){}</script><title></title></head><body><div id="sidebar" style="display: none"><div id="outline"></div></div><div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10347060/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0"> <span class="_ _0"></span> </div><div class="t m0 x2 h4 y3 ff2 fs1 fc0 sc0 ls0 ws0">毕<span class="_ _1"></span> <span class="_ _1"></span>业<span class="_ _1"></span> <span class="_ _1"></span>论<span class="_ _1"></span> <span class="_ _1"></span>文<span class="_ _1"></span> ﹙设<span class="_ _1"></span> <span class="_ _1"></span>计﹚ </div><div class="t m0 x3 h5 y4 ff2 fs2 fc0 sc0 ls0 ws0">自动浇花系统的设计</div><div class="t m0 x4 h6 y5 ff2 fs3 fc0 sc1 ls0 ws0">[<span class="sc0">摘要</span>]<span class="fs0 sc0">本设计主要的内容是土壤湿度检测电路的设计与制作。该电路的工作原理是由<span class="_"> </span><span class="ff3">ST<span class="_ _2"></span>C89C52<span class="_ _3"> </span><span class="ff2">单片</span></span></span></div><div class="t m0 x5 h7 y6 ff2 fs0 fc0 sc0 ls0 ws0">机和<span class="_ _3"> </span><span class="ff3">ADC0832<span class="_ _3"> </span></span>组<span class="_ _4"></span>成系统<span class="_ _4"></span>的核心部<span class="_ _4"></span>分,湿度<span class="_ _4"></span>传感器<span class="_ _4"></span>将采集到<span class="_ _4"></span>的数据直<span class="_ _4"></span>接传送<span class="_ _4"></span>到<span class="_ _3"> </span><span class="ff3">A<span class="_ _4"></span>DC0832<span class="_ _3"> </span></span>的<span class="_ _3"> </span><span class="ff3">IN<span class="_ _3"> </span></span>端作<span class="_ _4"></span>为输入的</div><div class="t m0 x5 h7 y7 ff2 fs0 fc0 sc0 ls0 ws0">模拟信<span class="_ _4"></span>号。选用<span class="_ _4"></span>湿度传感<span class="_ _4"></span>器和<span class="_ _5"> </span><span class="ff3">AD<span class="_ _3"> </span></span>转换,<span class="_ _4"></span>电路内<span class="_ _4"></span>部包含<span class="_ _4"></span>有湿度采<span class="_ _4"></span>集、<span class="_ _4"></span><span class="ff3">AD<span class="_ _3"> </span></span>转换<span class="_ _4"></span>、单片机<span class="_ _4"></span>译码显示<span class="_ _4"></span>等功能。<span class="_ _4"></span>单片</div><div class="t m0 x5 h7 y8 ff2 fs0 fc0 sc0 ls0 ws0">机需<span class="_ _4"></span>要采<span class="_ _4"></span>集<span class="_ _4"></span>数据<span class="_ _4"></span>时,<span class="_ _4"></span>发出<span class="_ _4"></span>指<span class="_ _4"></span>令启<span class="_ _4"></span>动<span class="_ _5"> </span><span class="ff3">A/D<span class="_ _3"> </span></span>转<span class="_ _4"></span>换器<span class="_ _4"></span>工作<span class="_ _4"></span>,<span class="_ _4"></span><span class="ff3">ADC0832<span class="_ _3"> </span></span>根<span class="_ _4"></span>据送<span class="_ _4"></span>来的<span class="_ _4"></span>地<span class="_ _4"></span>址信<span class="_ _4"></span>号选<span class="_ _4"></span>通<span class="_ _5"> </span><span class="ff3">IN1<span class="_ _3"> </span></span>通<span class="_ _4"></span>道,<span class="_ _4"></span>然<span class="_ _4"></span>后对</div><div class="t m0 x5 h7 y9 ff2 fs0 fc0 sc0 ls0 ws0">输入<span class="_ _4"></span>的模拟<span class="_ _4"></span>信号<span class="_ _4"></span>进行转<span class="_ _4"></span>换,<span class="_ _4"></span>转换<span class="_ _4"></span>结束时<span class="_ _4"></span>,<span class="_ _4"></span><span class="ff3">EOC<span class="_ _3"> </span></span>输出<span class="_ _4"></span>高电<span class="_ _4"></span>平,<span class="_ _4"></span>通知<span class="_ _4"></span>单片机<span class="_ _4"></span>可以<span class="_ _4"></span>读取转<span class="_ _4"></span>换结<span class="_ _4"></span>果,<span class="_ _4"></span>单片机<span class="_ _4"></span>通过<span class="_ _4"></span>调用</div><div class="t m0 x5 h7 ya ff2 fs0 fc0 sc0 ls0 ws0">中断程序,读取转换后的数据。最后,单片机把采集到的湿度数据经过软件程序处理后送到<span class="_"> </span><span class="ff3">LCD16<span class="_ _0"></span>02<span class="_ _3"> </span><span class="ff2">进行显</span></span></div><div class="t m0 x5 h7 yb ff2 fs0 fc0 sc0 ls0 ws0">示。自动浇水系统设计为智能和手动两个部分:智能浇水部分是通过单片机程序设计浇水的上下限值与感应电</div><div class="t m0 x5 h7 yc ff2 fs0 fc0 sc0 ls0 ws0">路送入单片机的土壤湿度值相比较,当低于下限值时,单片机输出一个信号控制浇水,高于上限值时再由单片</div><div class="t m0 x5 h7 yd ff2 fs0 fc0 sc0 ls0 ws0">机输出一个信号控制停止浇水<span class="ff3">;</span>手动部分是由通过关闭单片机电源,由外围电路供电进行浇灌、</div><div class="t m0 x6 h6 ye ff3 fs3 fc0 sc0 ls0 ws0">[<span class="ff2">关键词</span>]<span class="fs0">ST<span class="_ _2"></span>C89C52<span class="_ _3"> </span><span class="ff2">干湿度的采集与显示 </span>LED</span></div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div></body></html>
<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10347060/bg2.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0"> <span class="_ _0"></span> </div><div class="t m0 x7 h8 yf ff1 fs2 fc0 sc0 ls0 ws0">Design of potted flowerss automatic watering system</div><div class="t m0 x8 h6 y10 ff1 fs3 fc0 sc0 ls0 ws0">(Grade 08,Class 3,Major electronics and information engineering <span class="ff2">,</span>Schoo<span class="_ _4"></span>l of physics and </div><div class="t m0 x9 h9 y11 ff4 fs3 fc0 sc0 ls0 ws0">Abstract <span class="ff1 fs0">the design of potted plant <span class="_ _4"></span>automatic watering system includes soil temperature and humidity acquisition and</span></div><div class="t m0 x5 h3 y12 ff1 fs0 fc0 sc0 ls0 ws0">display, and the<span class="_ _4"></span> counter setting <span class="_ _4"></span>and display <span class="_ _4"></span>and alarm two <span class="_ _4"></span>parts water. <span class="_ _4"></span>Soil temperature and <span class="_ _4"></span>humidity acquisition and<span class="_ _4"></span> display</div><div class="t m0 x5 h3 y13 ff1 fs0 fc0 sc0 ls0 ws0">part, and comprises a soil temperature and humidity acquisition <span class="_ _4"></span>and display, automatic watering system. Soil temperature and</div><div class="t m0 x5 h3 y14 ff1 fs0 fc0 sc0 ls0 ws0">humidity acquisition<span class="_ _4"></span> and<span class="_ _4"></span> display <span class="_ _4"></span>in<span class="_ _4"></span> <span class="_ _4"></span>ADC0832is <span class="_ _4"></span>connected <span class="_ _4"></span>with <span class="_ _4"></span>two <span class="_ _4"></span>potentiometers <span class="_ _4"></span>as an<span class="_ _4"></span> induction<span class="_ _4"></span> circuit,<span class="_ _4"></span> the <span class="_ _4"></span>collected soil</div><div class="t m0 x5 h3 y15 ff1 fs0 fc0 sc0 ls0 ws0">temperature<span class="_ _4"></span> <span class="_ _4"></span>and<span class="_ _4"></span> <span class="_ _4"></span>humidity<span class="_ _6"></span> <span class="_ _4"></span>value<span class="_ _4"></span> <span class="_ _6"></span>is<span class="_ _4"></span> <span class="_ _4"></span>send<span class="_ _4"></span> <span class="_ _6"></span>to<span class="_ _4"></span> <span class="_ _4"></span>the<span class="_ _7"> </span> <span class="_ _4"></span>STC89C52<span class="_ _4"></span> <span class="_ _6"></span>single<span class="_ _4"></span> <span class="_ _6"></span>chip,<span class="_ _4"></span> <span class="_ _4"></span>then<span class="_ _6"></span> <span class="_ _4"></span>by<span class="_ _4"></span> <span class="_ _4"></span>its<span class="_ _6"></span> <span class="_ _4"></span>transmission<span class="_ _4"></span> <span class="_ _4"></span>to<span class="_ _4"></span> <span class="_ _6"></span>the<span class="_ _4"></span> <span class="_ _4"></span>LCD<span class="_ _6"></span> <span class="_ _4"></span>screen<span class="_ _4"></span> <span class="_ _6"></span>display.</div><div class="t m0 x5 h3 y16 ff1 fs0 fc0 sc0 ls0 ws0">Automatic<span class="_ _7"></span> <span class="_ _6"></span>watering<span class="_ _7"></span> <span class="_ _7"></span>system<span class="_ _6"></span> <span class="_ _7"> </span>design<span class="_ _7"></span> <span class="_ _6"></span>for<span class="_ _7"> </span> <span class="_ _7"></span>intelligent<span class="_ _6"></span> <span class="_ _7"> </span>and<span class="_ _7"> </span> <span class="_ _7"></span>manual<span class="_ _6"></span> <span class="_ _7"> </span>two<span class="_ _6"></span> <span class="_ _7"> </span>parts:<span class="_ _7"> </span> <span class="_ _7"></span>intelligent<span class="_ _6"></span> <span class="_ _7"> </span>watering<span class="_ _7"></span> <span class="_ _6"></span>section<span class="_ _7"> </span> <span class="_ _7"></span>through<span class="_ _6"></span> <span class="_ _7"> </span>the<span class="_ _7"> </span> <span class="_ _7"></span>MCU</div><div class="t m0 x5 h3 y17 ff1 fs0 fc0 sc0 ls0 ws0">programming <span class="_ _4"></span>watering<span class="_ _4"></span> <span class="_ _4"></span>the<span class="_ _4"></span> upper<span class="_ _4"></span> <span class="_ _4"></span>limit<span class="_ _4"></span> <span class="_ _4"></span>and <span class="_ _4"></span>the<span class="_ _4"></span> <span class="_ _4"></span>lower<span class="_ _4"></span> limit<span class="_ _4"></span> <span class="_ _4"></span>and<span class="_ _4"></span> <span class="_ _4"></span>the <span class="_ _4"></span>induction<span class="_ _4"></span> <span class="_ _4"></span>circuit<span class="_ _4"></span> <span class="_ _4"></span>into <span class="_ _4"></span>the<span class="_ _4"></span> <span class="_ _4"></span>microcontroller <span class="_ _4"></span>'s<span class="_ _4"></span> <span class="_ _4"></span>soil<span class="_ _4"></span> <span class="_ _4"></span>humidity</div><div class="t m0 x5 h3 y18 ff1 fs0 fc0 sc0 ls0 ws0">value <span class="_ _4"></span>are compared, <span class="_ _4"></span>when <span class="_ _4"></span>less than <span class="_ _4"></span>the lower<span class="_ _4"></span> limit <span class="_ _4"></span>value, <span class="_ _4"></span>the MCU<span class="_ _4"></span> output <span class="_ _4"></span>a signal<span class="_ _4"></span> to <span class="_ _4"></span>control <span class="_ _4"></span>the watering,<span class="_ _4"></span> high <span class="_ _4"></span>in <span class="_ _4"></span>the upper</div><div class="t m0 x5 h3 y19 ff1 fs0 fc0 sc0 ls0 ws0">limit <span class="_ _4"></span>value<span class="_ _4"></span> by<span class="_ _4"></span> <span class="_ _4"></span>the <span class="_ _4"></span>microcontroller <span class="_ _4"></span>output<span class="_ _4"></span> a<span class="_ _4"></span> <span class="_ _4"></span>signal <span class="_ _4"></span>control<span class="_ _4"></span> stop<span class="_ _4"></span> <span class="_ _4"></span>watering; <span class="_ _4"></span>manual<span class="_ _4"></span> part<span class="_ _4"></span> <span class="_ _4"></span>is <span class="_ _4"></span>composed <span class="_ _4"></span>of<span class="_ _4"></span> single-chip<span class="_ _4"></span> <span class="_ _4"></span>digital <span class="_ _4"></span>tube</div><div class="t m0 x5 h3 y1a ff1 fs0 fc0 sc0 ls0 ws0">into the month and day from real time, through the software programmed timing watering time.</div><div class="t m0 x9 h6 y1b ff4 fs3 fc0 sc0 ls0 ws0">Key words <span class="ff2 sc1">:</span><span class="ff1 fs0">STC89C52 temperature and humidity acquisition in the display counter <span class="_ _4"></span> LED</span></div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>
<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10347060/bg3.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0"> <span class="_ _0"></span> </div><div class="t m0 x5 h6 y1c ff2 fs3 fc0 sc0 ls0 ws0">引言</div><div class="t m0 x5 h6 y1d ff3 fs3 fc0 sc0 ls0 ws0">1<span class="ff1"> <span class="ff2">选题的目的和意义</span></span></div><div class="t m0 x9 h6 y1e ff2 fs3 fc0 sc0 ls0 ws0">随着社会的进<span class="_ _4"></span>步,人们的生活质<span class="_ _4"></span>量越来越高。<span class="_ _4"></span>在家里养养盆花可<span class="_ _4"></span>以陶冶情操,<span class="_ _4"></span>丰富生活。同时</div><div class="t m0 x5 h6 y1f ff2 fs3 fc0 sc0 ls0 ws0">盆花可以通过<span class="_ _4"></span>光合作用吸收二氧<span class="_ _4"></span>化碳,净化室<span class="_ _4"></span>内空气,在有花木<span class="_ _4"></span>的地方空气中<span class="_ _4"></span>阴离子聚集较多,<span class="_ _4"></span>所</div><div class="t m0 x5 h6 y20 ff2 fs3 fc0 sc0 ls0 ws0">以空气也特别清新,而且许多花木还可以吸收空气中的有害气体,因此,养盆花如今被许多人喜爱。</div><div class="t m0 x9 h6 y21 ff2 fs3 fc0 sc0 ls0 ws0">盆花浇水量是<span class="_ _4"></span>否能做到适时适量<span class="_ _4"></span>,是养花成败<span class="_ _4"></span>的关键。但是,在<span class="_ _4"></span>生活中人们总<span class="_ _4"></span>是会有无暇顾及</div><div class="t m0 x5 h6 y22 ff2 fs3 fc0 sc0 ls0 ws0">的时<span class="_ _4"></span>候,<span class="_ _4"></span>比<span class="_ _4"></span>如工<span class="_ _4"></span>作太<span class="_ _4"></span>忙,<span class="_ _4"></span>或<span class="_ _4"></span>者出<span class="_ _4"></span>差、<span class="_ _4"></span>旅游<span class="_ _4"></span>等<span class="_ _4"></span>。花<span class="_ _4"></span>草生<span class="_ _4"></span>长问<span class="_ _4"></span>题<span class="_ _8"> </span><span class="ff3">80%<span class="_ _4"></span></span>以上<span class="_ _4"></span>是由<span class="_ _4"></span>花儿<span class="_ _4"></span>浇<span class="_ _4"></span>灌问<span class="_ _4"></span>题引<span class="_ _4"></span>起的<span class="_ _4"></span>;</div><div class="t m0 x5 ha y23 ff2 fs3 fc0 sc0 ls0 ws0">好不容<span class="_ _4"></span>易<span class="ff5">种植<span class="_ _4"></span>几</span>个<span class="ff5">月</span>的<span class="_ _4"></span>花草,<span class="_ _4"></span>因为浇水<span class="_ _4"></span>不及时<span class="_ _4"></span>,长<span class="ff5">势<span class="_ _4"></span></span>不好,<span class="_ _4"></span>用来<span class="ff5">美</span>化<span class="_ _4"></span><span class="ff5">环境</span>的<span class="_ _4"></span>花草<span class="ff5">几<span class="_ _4"></span>乎</span>成<span class="ff5">了“<span class="_ _4"></span>鸡肋”</span>;</div><div class="t m0 x5 ha y24 ff2 fs3 fc0 sc0 ls0 ws0">不<span class="ff5">种植吧</span>,家里<span class="ff5">没</span>有<span class="ff5">绿色衬托</span>,感<span class="ff5">觉没</span>有生机;<span class="ff5">保留吧</span>,花草长<span class="ff5">得</span>不<span class="ff5">够旺盛</span>,还<span class="ff5">影响</span>家<span class="ff5">庭装饰效</span>果<span class="_ _3"> </span>。</div><div class="t m0 x5 ha y25 ff5 fs3 fc0 sc0 ls0 ws0">虽<span class="ff2">然</span>市场<span class="ff2">上有<span class="_ _4"></span></span>卖<span class="ff2">盆花自动浇<span class="_ _4"></span>水器,但</span>价格十<span class="ff2">分<span class="_ _4"></span></span>昂贵<span class="ff2">,</span>并<span class="ff2">且</span>大<span class="_ _4"></span><span class="ff2">多</span>只<span class="ff2">能设</span>定<span class="ff2">一<span class="_ _4"></span>个</span>定<span class="ff2">时浇水的时</span>间<span class="_ _4"></span><span class="ff2">,</span>很难</div><div class="t m0 x5 ha y26 ff2 fs3 fc0 sc0 ls0 ws0">做到<span class="ff5">给</span>盆花自<span class="_ _4"></span>动适时适量浇水。<span class="_ _4"></span><span class="ff5">夜</span>有较经<span class="ff5">济</span>的<span class="_ _4"></span>盆花<span class="ff5">缺</span>水<span class="ff5">报警<span class="_ _4"></span></span>器,可以<span class="ff5">提醒<span class="_ _4"></span></span>人们及时的<span class="ff5">给</span>盆花<span class="_ _4"></span>浇水。</div><div class="t m0 x5 ha y27 ff2 fs3 fc0 sc0 ls0 ws0">可是<span class="ff5">这种报警<span class="_ _4"></span></span>器<span class="ff5">只</span>能<span class="ff5">报警</span>,<span class="_ _4"></span>浇水还需要人们<span class="ff5">亲<span class="_ _4"></span></span>自动手。当家<span class="_ _4"></span>里无人时,<span class="ff5">即<span class="_ _4"></span>使报警</span>也无人浇水<span class="_ _4"></span>,<span class="ff5">就</span>起</div><div class="t m0 x5 ha y28 ff2 fs3 fc0 sc0 ls0 ws0">不到应有的作<span class="_ _4"></span>用<span class="ff5">了</span>。因此,<span class="_ _4"></span><span class="ff5">我想</span>设计一<span class="ff5">种</span>集盆<span class="_ _4"></span>花土壤湿度检<span class="_ _4"></span>测,自动浇水以及<span class="_ _4"></span><span class="ff5">蓄</span>水<span class="ff5">箱</span>自动供<span class="_ _4"></span>水于一</div><div class="t m0 x5 ha y29 ff2 fs3 fc0 sc0 ls0 ws0">体的盆花自动浇水系统。<span class="ff5">让</span>人们无暇顾及时也能<span class="ff5">得</span>到及时的浇灌。</div><div class="t m0 x5 ha y2a ff3 fs3 fc0 sc0 ls0 ws0">2 <span class="ff2">自动浇水器的<span class="ff5">诞</span>生<span class="ff5">背景</span>及<span class="ff5">国</span>内外发<span class="ff5">展现状</span></span></div><div class="t m0 x9 ha y2b ff5 fs3 fc0 sc0 ls0 ws0">微喷<span class="ff2">系统是</span>近<span class="_ _4"></span>几年利<span class="ff2">用</span>国<span class="ff2">内<span class="_ _4"></span>外</span>先<span class="ff2">进</span>技术<span class="ff2">组</span>装<span class="ff2">的<span class="_ _4"></span>新</span>型<span class="ff2">灌</span>溉<span class="ff2">设</span>施<span class="_ _4"></span><span class="ff2">,主要是</span>利<span class="ff2">用<span class="_ _4"></span>水</span>流<span class="ff2">通过</span>管<span class="ff2">道系统<span class="_ _4"></span>以</span></div><div class="t m0 x5 ha y2c ff2 fs3 fc0 sc0 ls0 ws0">一<span class="ff5">定速</span>度<span class="ff5">从</span>特<span class="_ _4"></span>制的<span class="ff5">喷头喷</span>出<span class="_ _4"></span>,在空气中分<span class="ff5">散</span>成<span class="_ _4"></span><span class="ff5">细小</span>的水<span class="ff5">滴</span>着<span class="_ _4"></span><span class="ff5">落</span>在花草<span class="ff5">植物<span class="_ _4"></span></span>。作<span class="ff5">物</span>及<span class="ff5">周</span>围的地<span class="_ _4"></span><span class="ff5">面</span>上,</div><div class="t m0 x5 ha y2d ff5 fs3 fc0 sc0 ls0 ws0">从<span class="ff2">而</span>达<span class="ff2">到及时<span class="_ _4"></span></span>补充<span class="ff2">水分的目<span class="_ _4"></span>的。该系统</span>具<span class="ff2">有用<span class="_ _4"></span>水量</span>少<span class="ff2">、</span>冲击<span class="_ _4"></span>力小<span class="ff2">的灌</span>溉<span class="ff2">特<span class="_ _4"></span></span>性<span class="ff2">,适用于</span>栽培密<span class="_ _4"></span><span class="ff2">度</span>大<span class="ff2">、</span></div><div class="t m0 x5 ha y2e ff5 fs3 fc0 sc0 ls0 ws0">植<span class="ff2">被</span>柔<span class="ff2">软</span>细嫩<span class="_ _4"></span><span class="ff2">的</span>植物<span class="ff2">。自动<span class="_ _4"></span>浇水器的</span>诞<span class="ff2">生时随<span class="_ _4"></span>着人们生活水<span class="_ _4"></span>平的</span>提<span class="ff2">高和生<span class="_ _4"></span>活</span>节奏<span class="ff2">的</span>加快<span class="ff2">而</span>诞<span class="_ _4"></span><span class="ff2">生的一</span></div><div class="t m0 x5 ha y2f ff5 fs3 fc0 sc0 ls0 ws0">种懒<span class="ff2">人</span>园艺<span class="ff2">用<span class="_ _4"></span></span>品<span class="ff2">。</span>它<span class="ff2">把</span>微喷<span class="_ _4"></span><span class="ff2">的</span>概念<span class="ff2">应有家</span>庭<span class="ff2">盆<span class="_ _4"></span>花浇灌中,通<span class="_ _4"></span>过相应地</span>改<span class="ff2">进<span class="_ _4"></span>,</span>达<span class="ff2">到合理</span>给<span class="ff2">盆花<span class="_ _4"></span>自动浇</span></div><div class="t m0 x5 h6 y30 ff2 fs3 fc0 sc0 ls0 ws0">水的目的。</div><div class="t m0 x9 ha y31 ff5 fs3 fc0 sc0 ls0 ws0">早<span class="ff2">在</span>很<span class="ff2">多</span>年前<span class="_ _4"></span><span class="ff2">,</span>国<span class="ff2">外</span>就已<span class="ff2">经<span class="_ _4"></span></span>开始普<span class="ff2">及,</span>国<span class="ff2">内</span>实<span class="_ _4"></span><span class="ff2">用的电子</span>类<span class="ff2">自<span class="_ _4"></span>动浇水器多数<span class="_ _4"></span></span>从国<span class="ff2">外进</span>口<span class="ff2">的,</span>价<span class="_ _4"></span>格</div><div class="t m0 x5 ha y32 ff5 fs3 fc0 sc0 ls0 ws0">昂贵<span class="ff2">,但质量比较可</span>靠<span class="ff2">。不过</span>这<span class="ff2">不太适用于</span>国<span class="ff2">内,目</span>前国<span class="ff2">内外比较</span>流<span class="ff2">行的是</span>玻璃<span class="ff2">制作的自动浇水器<span class="_ _3"> </span>。</span></div><div class="t m0 x5 ha y33 ff5 fs3 fc0 sc0 ls0 ws0">这种类型<span class="ff2">的浇<span class="_ _4"></span>水器多数在</span>我<span class="_ _4"></span>国山西<span class="ff2">和</span>浙江<span class="ff2">一</span>带<span class="_ _4"></span><span class="ff2">生</span>产<span class="ff2">的,</span>价格<span class="_ _4"></span><span class="ff2">比较低</span>廉<span class="ff2">,</span>实<span class="_ _4"></span><span class="ff2">用</span>性没<span class="ff2">有电子</span>类<span class="ff2">自<span class="_ _4"></span>动浇水</span></div><div class="t m0 x5 ha y34 ff2 fs3 fc0 sc0 ls0 ws0">器好。随着<span class="ff5">国</span>内<span class="ff5">居民消费</span>水平和生活质量的<span class="ff5">提</span>高,<span class="ff5">居</span>家<span class="ff5">园艺市场异常火爆</span>,但是由于生活<span class="ff5">节奏加快<span class="_ _3"> </span></span>,</div><div class="t m0 x5 ha y35 ff5 fs3 fc0 sc0 ls0 ws0">种<span class="ff2">花容易养花<span class="_ _4"></span></span>难<span class="ff2">,浇水问题<span class="_ _4"></span></span>就暴露<span class="ff2">出来,因此<span class="_ _4"></span></span>国<span class="ff2">内上</span>加已<span class="ff2">经<span class="_ _4"></span></span>看<span class="ff2">到</span>了这种<span class="ff2">需<span class="_ _4"></span></span>求潜力<span class="ff2">。目</span>前这类<span class="_ _4"></span>小居<span class="ff2">家</span></div><div class="t m0 x5 ha y36 ff2 fs3 fc0 sc0 ls0 ws0">用<span class="ff5">品</span>的<span class="ff5">厂</span>家主<span class="_ _4"></span>要集中在<span class="ff5">广东<span class="_ _4"></span></span>,上<span class="ff5">海</span>,<span class="ff5">浙江</span>一<span class="ff5">带<span class="_ _4"></span></span>。<span class="ff5">现</span>在<span class="ff5">市场</span>上<span class="_ _4"></span>所出<span class="ff5">售</span>的自动<span class="_ _4"></span>浇水器主要有电子<span class="_ _4"></span><span class="ff5">类</span>自动</div><div class="t m0 x5 ha y37 ff2 fs3 fc0 sc0 ls0 ws0">浇水器和<span class="ff5">玻璃</span>、陶<span class="ff5">瓷类</span>自动浇水器。</div><div class="t m0 x5 ha y38 ff3 fs3 fc0 sc0 ls0 ws0">1<span class="ff5">)<span class="_ _6"></span><span class="ff2">电子</span>类<span class="ff2">自动浇水器</span></span></div><div class="t m0 x9 ha y39 ff2 fs3 fc0 sc0 ls0 ws0">电子<span class="ff5">类</span>自动浇<span class="_ _4"></span>水器<span class="ff5">又叫</span>时控<span class="_ _4"></span><span class="ff5">喷淋装置</span>,系统<span class="ff5">构<span class="_ _4"></span></span>成为:主机<span class="ff5">(<span class="_ _4"></span></span>或者<span class="ff5">)</span>、主<span class="ff5">管<span class="_ _4"></span>(</span>可以是花<span class="ff5">园管</span>也<span class="_ _4"></span>可</div><div class="t m0 x5 ha y3a ff2 fs3 fc0 sc0 ls0 ws0">以是<span class="_ _4"></span><span class="ff5">七<span class="_ _4"></span></span>分<span class="ff5">之<span class="_ _4"></span>四毫<span class="_ _4"></span>米<span class="_ _4"></span></span>的<span class="ff5">微<span class="_ _4"></span>喷淋<span class="_ _4"></span>管)<span class="_ _4"></span></span>、<span class="_ _4"></span>分水<span class="_ _4"></span>接<span class="_ _4"></span><span class="ff5">头(<span class="_ _4"></span><span class="ff3">3<span class="_ _8"> </span></span></span>通、<span class="_ _4"></span><span class="ff3">4<span class="_ _5"> </span></span>通<span class="_ _4"></span>、<span class="ff3">5<span class="_ _8"> </span></span>通、<span class="ff3">6<span class="_ _8"> </span></span>通、<span class="_ _4"></span>分水<span class="_ _4"></span>器<span class="ff5">)<span class="_ _4"></span></span>、<span class="_ _4"></span><span class="ff5">副管<span class="_ _4"></span>(五<span class="_ _4"></span></span>分<span class="_ _4"></span><span class="ff5">之</span></div><div class="t m0 x5 ha y3b ff5 fs3 fc0 sc0 ls0 ws0">三毫米)喷淋<span class="_ _4"></span>管(雾<span class="ff2">化</span>喷头<span class="_ _4"></span><span class="ff2">、</span>旋<span class="ff2">转</span>喷头<span class="ff2">、</span>折射<span class="_ _4"></span>雾<span class="ff2">化</span>喷头<span class="ff2">等</span>)<span class="_ _4"></span><span class="ff2">。电子</span>类<span class="ff2">自动<span class="_ _4"></span>浇水器根据电源的<span class="_ _4"></span>不同分</span></div><div class="t m0 x5 ha y3c ff2 fs3 fc0 sc0 ls0 ws0">为<span class="ff5">交流</span>电自动<span class="_ _4"></span>浇水器和电<span class="ff5">池<span class="_ _4"></span></span>自动浇水器两<span class="ff5">种</span>。<span class="_ _4"></span>控制器的一<span class="ff5">般<span class="_ _4"></span>性</span>能有:电<span class="ff5">磁<span class="_ _4"></span>阀</span>控制;智能时控<span class="_ _4"></span>电路、</div><div class="t m0 x5 ha y3d ff5 fs3 fc0 sc0 ls0 ws0">微<span class="ff2">电<span class="_ _4"></span></span>脑<span class="_ _4"></span>芯<span class="ff2">片<span class="_ _4"></span>控制<span class="_ _4"></span>;适<span class="_ _4"></span>用<span class="_ _4"></span>电源<span class="_ _4"></span>为<span class="_"> </span><span class="ff3">A<span class="_ _0"></span>C220V/50Hz;<span class="ff2">最<span class="_ _4"></span>适水<span class="_ _4"></span><span class="ff5">压<span class="_ _8"> </span></span></span>0.3-0.6Mpa;<span class="ff5">待<span class="_ _4"></span><span class="ff2">机功<span class="_ _4"></span></span>率<span class="_ _4"></span>(<span class="_ _4"></span></span>4V<span class="_ _2"></span>A<span class="ff2">,<span class="_ _4"></span>浇水<span class="_ _4"></span>时<span class="_ _4"></span><span class="ff5">小</span></span></span></span></div><div class="t m0 x5 ha y3e ff2 fs3 fc0 sc0 ls0 ws0">于<span class="_ _5"> </span><span class="ff3">12V<span class="_ _2"></span>A<span class="ff5">)<span class="_ _4"></span><span class="ff2">;可控<span class="_ _4"></span>制</span>连<span class="_ _4"></span>续<span class="ff2">作<span class="_ _4"></span>业时</span>间<span class="_ _4"></span>试<span class="_ _9"> </span></span>1<span class="_ _5"> </span><span class="ff2">分<span class="ff5">钟<span class="_ _4"></span>至<span class="_ _5"> </span></span></span>168<span class="_ _5"> </span><span class="ff2">个<span class="ff5">小<span class="_ _4"></span></span>时;<span class="_ _4"></span>可<span class="ff5">每<span class="_ _4"></span>天</span>自<span class="_ _4"></span>动<span class="ff5">完<span class="_ _4"></span></span>成<span class="ff5">十<span class="_ _4"></span>次</span>以上<span class="_ _4"></span>浇水<span class="_ _4"></span>作业,</span></span></div><div class="t m0 x5 ha y3f ff2 fs3 fc0 sc0 ls0 ws0">可<span class="ff5">每天</span>、<span class="ff5">隔天</span>、<span class="ff5">隔</span>多<span class="ff5">天</span>自动<span class="ff5">循环</span>进行浇水,手动自动两用;<span class="ff5">每天</span>计时<span class="ff5">误</span>差<span class="ff5">小</span>于<span class="ff5">正负<span class="_ _a"> </span><span class="ff3">3<span class="_ _5"> </span></span>秒</span>;电器适应</div><div class="t m0 x5 ha y40 ff5 fs3 fc0 sc0 ls0 ws0">环境温<span class="ff2">度为<span class="ff3">-10~50<span class="_ _5"> </span></span></span>摄氏<span class="ff2">度;相对湿度</span>小<span class="ff2">于<span class="_ _3"> </span><span class="ff3">90%RH<span class="_ _4"></span></span>。</span></div><div class="t m0 x5 ha y41 ff3 fs3 fc0 sc0 ls0 ws0">2)<span class="ff5">玻璃<span class="ff2">、陶</span>瓷类<span class="ff2">自动浇水器</span></span></div><div class="t m0 x9 ha y42 ff5 fs3 fc0 sc0 ls0 ws0">玻璃<span class="ff2">。陶</span>瓷类<span class="_ _4"></span><span class="ff2">自动浇水器</span>又<span class="_ _4"></span>叫<span class="ff2">自动</span>渗<span class="ff2">水</span>装置<span class="ff2">,<span class="_ _4"></span></span>它<span class="ff2">由本</span>身材<span class="ff2">质<span class="_ _4"></span>的</span>物<span class="ff2">理结</span>构构<span class="_ _4"></span><span class="ff2">成,根据器</span>具<span class="ff2">的</span>物<span class="_ _4"></span><span class="ff2">理</span></div><div class="t m0 x5 ha y43 ff5 fs3 fc0 sc0 ls0 ws0">渗<span class="ff2">水原理</span>完<span class="ff2">成<span class="_ _4"></span>自动浇灌,当自动<span class="_ _4"></span>浇水器内部</span>存<span class="_ _4"></span><span class="ff2">水,自</span>身形<span class="ff2">成<span class="_ _4"></span>一</span>定<span class="ff2">的</span>压力<span class="ff2">,<span class="_ _4"></span>当</span>遇<span class="ff2">到干</span>燥<span class="ff2">的土壤<span class="_ _4"></span>,水</span>就</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>
<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10347060/bg4.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0"> <span class="_ _0"></span> </div><div class="t m0 x5 ha y44 ff2 fs3 fc0 sc0 ls0 ws0">会自上而下的<span class="_ _4"></span><span class="ff5">流</span>出,当土壤<span class="_ _4"></span>湿<span class="ff5">润</span>以后,会<span class="ff5">形</span>成<span class="_ _4"></span>一个<span class="ff5">堵塞压力<span class="_ _4"></span></span>,<span class="ff5">从</span>而<span class="ff5">导致</span>水<span class="_ _4"></span><span class="ff5">流速</span>度<span class="ff5">变慢</span>或者停<span class="_ _4"></span>止。器</div><div class="t m0 x5 ha y45 ff5 fs3 fc0 sc0 ls0 ws0">具<span class="ff2">工</span>艺<span class="ff2">不同,<span class="_ _4"></span></span>效<span class="ff2">果也不一</span>样<span class="_ _4"></span><span class="ff2">,当然也因土壤的<span class="_ _4"></span></span>疏松<span class="ff2">情</span>况决定<span class="_ _4"></span><span class="ff2">器</span>具<span class="ff2">内水</span>流<span class="ff2">的<span class="_ _4"></span></span>速<span class="ff2">度。当</span>前<span class="ff2">传感器<span class="_ _4"></span></span>技术<span class="ff2">与</span></div><div class="t m0 x5 ha y46 ff2 fs3 fc0 sc0 ls0 ws0">单片机<span class="ff5">技术</span>发<span class="_ _4"></span><span class="ff5">展迅速</span>,<span class="ff5">其</span>应<span class="_ _4"></span>用<span class="ff5">逐</span>步由工业、<span class="ff5">军<span class="_ _4"></span>事</span>等<span class="ff5">领域向其<span class="_ _4"></span>它领域渗透</span>,<span class="_ _4"></span><span class="ff5">已</span>经和<span class="ff5">我</span>们的<span class="ff5">日常<span class="_ _4"></span></span>生活<span class="ff5">息</span></div><div class="t m0 x5 ha y47 ff5 fs3 fc0 sc0 ls0 ws0">息<span class="ff2">相关。而且<span class="_ _4"></span>智能家</span>居概念<span class="_ _4"></span><span class="ff2">也越来越</span>受<span class="ff2">到人们<span class="_ _4"></span>的</span>推崇<span class="ff2">,因此<span class="_ _4"></span>,</span>微<span class="ff2">电</span>脑<span class="ff2">控制<span class="_ _4"></span>的电子</span>类<span class="ff2">自动浇水<span class="_ _4"></span>系统有</span></div><div class="t m0 x5 ha y48 ff5 fs3 fc0 sc0 ls0 ws0">很<span class="ff2">好的发</span>展前景<span class="ff2">。</span></div><div class="t m0 x5 ha y49 ff3 fs3 fc0 sc0 ls0 ws0">3<span class="_ _5"> </span><span class="ff2">毕业设计所采用的<span class="ff5">研究</span>方<span class="ff5">法</span>和手<span class="ff5">段</span></span></div><div class="t m0 x9 ha y4a ff2 fs3 fc0 sc0 ls0 ws0">本<span class="ff5">次</span>毕业设计<span class="_ _4"></span>是设计一<span class="ff5">种</span>单<span class="_ _4"></span>片机控制的自动浇<span class="_ _4"></span>水系统,<span class="ff5">实现<span class="_ _4"></span></span>室内盆花浇水<span class="_ _4"></span>的自动化系统。该<span class="_ _4"></span>系</div><div class="t m0 x5 ha y4b ff2 fs3 fc0 sc0 ls0 ws0">统可对土壤的<span class="_ _4"></span>湿度进行<span class="ff5">监</span>控<span class="_ _4"></span>,<span class="ff5">并</span>对作<span class="ff5">物</span>进行适<span class="_ _4"></span>时适量的浇水<span class="_ _4"></span>。<span class="ff5">其</span>核心是单<span class="_ _4"></span>片机和<span class="ff5">温</span>湿度采集<span class="_ _4"></span>和显示</div><div class="t m0 x5 ha y4c ff2 fs3 fc0 sc0 ls0 ws0">电路以及浇水<span class="_ _4"></span><span class="ff5">驱</span>动电路<span class="ff5">构</span>成<span class="_ _4"></span>的检测控制部分。<span class="_ _4"></span>主要<span class="ff5">研究</span>土壤<span class="_ _4"></span>湿度与浇水量<span class="_ _4"></span><span class="ff5">之间</span>的关系、浇灌<span class="_ _4"></span>控制<span class="ff5">技</span></div><div class="t m0 x5 ha y4d ff5 fs3 fc0 sc0 ls0 ws0">术<span class="ff2">及<span class="_ _4"></span>设</span>备<span class="_ _4"></span><span class="ff2">系统的<span class="_ _4"></span></span>硬<span class="ff2">件<span class="_ _4"></span>、软件<span class="_ _4"></span></span>编<span class="ff2">程<span class="_ _4"></span></span>各<span class="ff2">个<span class="_ _4"></span>部分<span class="_ _4"></span>。检<span class="_ _4"></span>测部<span class="_ _4"></span>分,单<span class="_ _4"></span>片机选<span class="_ _4"></span>用<span class="_ _a"> </span><span class="ff3">ST<span class="_ _2"></span>C89C52<span class="_ _5"> </span><span class="ff2">单<span class="_ _4"></span>片机,<span class="_ _4"></span>软件<span class="_ _4"></span>选用</span></span></span></div><div class="t m0 x5 ha y4e ff3 fs3 fc0 sc0 ls0 ws0">C51<span class="_ _5"> </span><span class="ff5">语<span class="ff2">言</span>编<span class="ff2">程。土壤</span>温<span class="ff2">湿度采集于显示电路可将检测到的土壤</span>温<span class="ff2">湿度模拟量</span>放大<span class="ff2">转换成数</span>字<span class="ff2">量通过</span></span></div><div class="t m0 x5 ha y10 ff2 fs3 fc0 sc0 ls0 ws0">单片<span class="_ _4"></span>机内<span class="_ _4"></span>程<span class="_ _4"></span>序控<span class="_ _4"></span>制<span class="_ _4"></span><span class="ff6">精确<span class="_ _4"></span></span>的将<span class="_ _4"></span><span class="ff5">温<span class="_ _4"></span></span>度与<span class="_ _4"></span>湿度<span class="_ _4"></span>分别<span class="_ _4"></span>显<span class="_ _4"></span>示在<span class="_ _8"> </span><span class="ff3">LCD<span class="_ _5"> </span></span>显示<span class="_ _4"></span><span class="ff6">屏<span class="_ _4"></span></span>上,<span class="_ _4"></span>同时<span class="_ _4"></span>把程<span class="_ _4"></span>序<span class="_ _4"></span>发<span class="ff5">给<span class="_ _4"></span><span class="ff6">另<span class="_ _4"></span></span></span>外一<span class="_ _4"></span><span class="ff6">块</span>单<span class="_ _4"></span>片</div><div class="t m0 x5 ha y4f ff2 fs3 fc0 sc0 ls0 ws0">机,通过单片机内的中断<span class="ff6">服务</span>程序<span class="ff6">判</span>断是否要<span class="ff5">给</span>盆花浇水,<span class="ff6">若</span>需浇水,<span class="ff6">则</span>单片机系统发出浇水信号<span class="_ _3"> </span>,</div><div class="t m0 x5 ha y50 ff5 fs3 fc0 sc0 ls0 ws0">开始<span class="ff2">浇水,<span class="ff6">若<span class="_ _4"></span></span>不需要浇水,<span class="_ _4"></span><span class="ff6">则</span>进行下一</span>次循环<span class="_ _4"></span><span class="ff2">检测。在浇水<span class="_ _4"></span>系统中也同时设计<span class="_ _4"></span>一个</span>定<span class="ff2">时浇水<span class="_ _4"></span>部分,</span></div><div class="t m0 x5 ha y51 ff2 fs3 fc0 sc0 ls0 ws0">通过<span class="ff6">按</span>键<span class="ff5">开</span>关<span class="_ _4"></span>设<span class="ff5">置</span>不同的浇<span class="_ _4"></span>水时<span class="ff5">间段</span>,在时<span class="ff5">间<span class="_ _4"></span>段</span>以内时,单<span class="_ _4"></span>片机<span class="ff5">驱</span>动浇水<span class="_ _4"></span>系统,<span class="ff5">开始</span>浇水,<span class="_ _4"></span>如不在</div><div class="t m0 x5 ha y52 ff2 fs3 fc0 sc0 ls0 ws0">时<span class="ff5">间段</span>内,<span class="ff6">则</span>不浇水。</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>
<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10347060/bg5.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0"> <span class="_ _0"></span> </div><div class="t m0 xa hb y53 ff2 fs4 fc0 sc0 ls0 ws0">目<span class="ff6">录</span></div><div class="t m0 x5 hb y54 ff2 fs4 fc0 sc0 ls0 ws0">目<span class="ff6">录<span class="ff3">............<span class="_ _4"></span>...........<span class="_ _4"></span>...........<span class="_ _4"></span>...........<span class="_ _4"></span>...........<span class="_ _4"></span>............<span class="_ _4"></span>.......<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>..<span class="_ _4"></span>..<span class="_ _b"></span>5</span></span></div><div class="t m0 x5 hc y55 ff3 fs4 fc0 sc0 ls0 ws0">1 STC89C52...........<span class="_ _4"></span>...........<span class="_ _4"></span>...........<span class="_ _4"></span>...........<span class="_ _4"></span>...........<span class="_ _4"></span>....<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>.<span class="_ _7"></span>1</div><div class="t m0 xb hd y4e ff1 fs3 fc0 sc0 ls0 ws0">1.1 STC89C52<span class="_ _5"> </span><span class="ff2">的<span class="ff6">简介</span></span>....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.............<span class="_ _4"></span>...1</div><div class="t m0 xb hd y10 ff1 fs3 fc0 sc0 ls0 ws0">1.2 STC89C52<span class="_ _5"> </span><span class="ff2">单片机的<span class="ff6">基</span>本组成</span>....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>........1</div><div class="t m0 xb ha y4f ff1 fs3 fc0 sc0 ls0 ws0">1.3 STC89C52<span class="_ _5"> </span><span class="ff2">主要特<span class="ff5">性</span>:</span>....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.....<span class="_ _4"></span>...1</div><div class="t m0 xb ha y50 ff1 fs3 fc0 sc0 ls0 ws0">1.4 STC89C52<span class="_ _5"> </span><span class="ff2">的<span class="ff5">管<span class="ff6">脚说明</span></span></span>....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.....<span class="_ _4"></span>...2</div><div class="t m0 xb ha y51 ff1 fs3 fc0 sc0 ls0 ws0">1.5 STC89C52<span class="_ _5"> </span><span class="ff2">单片机的<span class="ff5">存<span class="ff6">储</span></span>器</span>....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............4</div><div class="t m0 xb ha y52 ff1 fs3 fc0 sc0 ls0 ws0">1.6 <span class="ff6">振荡<span class="ff2">电路和时<span class="ff5">钟</span></span></span>.....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.....<span class="_ _4"></span>.<span class="_ _2"></span>4</div><div class="t m0 xb h6 y56 ff1 fs3 fc0 sc0 ls0 ws0">1.7 STC89C52<span class="_ _5"> </span><span class="ff2">的中断系统</span>....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.....<span class="_ _4"></span>...5</div><div class="t m0 xc ha y57 ff1 fs3 fc0 sc0 ls0 ws0">1.7.1 <span class="ff2">中断系统结<span class="ff5">构</span>和中断控制</span>......<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>........<span class="_ _4"></span>......<span class="_ _4"></span>.....<span class="_ _4"></span>.....5</div><div class="t m0 xc ha y58 ff1 fs3 fc0 sc0 ls0 ws0">1.7.2 <span class="ff2">中断<span class="ff5">响</span>应过程</span>......<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _4"></span>......<span class="_ _4"></span>.....<span class="_ _4"></span>.....<span class="_ _4"></span>....7</div><div class="t m0 xb ha y5 ff1 fs3 fc0 sc0 ls0 ws0">1.8 <span class="ff5">定<span class="ff2">时器</span></span>/<span class="ff2">计数器</span>.....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.........<span class="_ _0"></span>7</div><div class="t m0 xc ha y59 ff1 fs3 fc0 sc0 ls0 ws0">1.8.1 <span class="ff5">定<span class="ff2">时器</span></span>/<span class="ff2">计数器<span class="_ _3"> </span></span>0<span class="_ _5"> </span><span class="ff2">和<span class="_ _5"> </span></span>1<span class="_ _5"> </span><span class="ff6">简介</span>...<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.......<span class="_ _4"></span>.....<span class="_ _4"></span>...7</div><div class="t m0 xc ha y5a ff1 fs3 fc0 sc0 ls0 ws0">1.8.2 <span class="ff2">与<span class="ff5">定</span>时器</span>/<span class="ff2">计数器<span class="_ _3"> </span></span>0<span class="_ _5"> </span><span class="ff2">和<span class="_ _5"> </span></span>1<span class="_ _5"> </span><span class="ff2">相关的特<span class="ff6">殊</span>功能<span class="ff6">寄<span class="ff5">存</span></span>器</span>...<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>...............8</div><div class="t m0 x5 he y5b ff3 fs4 fc0 sc0 ls0 ws0">2 <span class="ff2">数码<span class="ff5">管</span>显示</span>............<span class="_ _4"></span>...........<span class="_ _4"></span>........<span class="_ _4"></span>..<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>.<span class="_ _7"></span>9</div><div class="t m0 xb ha y5c ff1 fs3 fc0 sc0 ls0 ws0">2.1 <span class="ff2">显示模<span class="ff6">块</span>采用数码<span class="ff5">管</span>显示接<span class="ff5">口</span>电路</span>.....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.................<span class="_ _4"></span>.....<span class="_ _4"></span>.....<span class="_ _4"></span>.....<span class="_ _4"></span>.9</div><div class="t m0 x5 hc y5d ff3 fs4 fc0 sc0 ls0 ws0">3 ADC0832.............<span class="_ _4"></span>...........<span class="_ _4"></span>........<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>.<span class="_ _7"></span>10</div><div class="t m0 xb hd y5e ff1 fs3 fc0 sc0 ls0 ws0">3.1 <span class="_ _2"></span>ADC0832<span class="_ _3"> </span><span class="ff2">的<span class="ff6">简介</span></span>...................<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.............<span class="_ _2"></span>10</div><div class="t m0 xb hd ye ff1 fs3 fc0 sc0 ls0 ws0">3.2 <span class="_ _2"></span>ADC0832<span class="_ _3"> </span><span class="ff2">引<span class="ff6">脚图</span></span>...................<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.............<span class="_ _2"></span>10</div><div class="t m0 xc ha y5f ff1 fs3 fc0 sc0 ls0 ws0">3.3.3 <span class="_ _2"></span>ADC<span class="_ _5"> </span><span class="ff2">动<span class="ff6">态</span>特<span class="ff5">性</span></span>...<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.........<span class="_ _2"></span>11</div><div class="t m0 xc ha y60 ff1 fs3 fc0 sc0 ls0 ws0">3.3.4 <span class="_ _2"></span>ADC<span class="_ _5"> </span><span class="ff5">性<span class="ff2">能测</span>试</span>...<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>..............<span class="_ _4"></span>.....<span class="_ _4"></span>.....<span class="_ _4"></span>......<span class="_ _4"></span>..12</div><div class="t m0 xc ha y61 ff1 fs3 fc0 sc0 ls0 ws0">3.3.5 <span class="ff5">常<span class="ff2">用<span class="_ _3"> </span></span></span>ADC<span class="_ _5"> </span><span class="ff5">芯<span class="ff2">片</span>概<span class="ff6">述</span></span>................<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.....<span class="_ _4"></span>.....<span class="_ _4"></span>.....<span class="_ _4"></span>......<span class="_ _4"></span>.12</div><div class="t m0 xc ha y62 ff1 fs3 fc0 sc0 ls0 ws0">3.3.6 <span class="_ _2"></span>ADC0832<span class="_ _5"> </span><span class="ff2">模数转换原理及主要<span class="ff5">技术</span>指<span class="ff6">标</span></span>...<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>..................<span class="_ _4"></span>.....<span class="_ _4"></span>.13</div><div class="t m0 xc ha y63 ff1 fs3 fc0 sc0 ls0 ws0">1<span class="ff6">.<span class="ff2">主要特<span class="ff5">性</span></span></span>.....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.......<span class="_ _2"></span>13</div><div class="t m0 xc ha y64 ff1 fs3 fc0 sc0 ls0 ws0">2<span class="ff6">.<span class="ff2">内部结<span class="ff5">构</span></span></span>.....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>.......<span class="_ _2"></span>13</div><div class="t m0 xc ha y65 ff1 fs3 fc0 sc0 ls0 ws0">3<span class="ff6">.<span class="ff2">外部特<span class="ff5">性(</span>引</span>脚<span class="ff2">功能<span class="ff5">)</span></span></span>.....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>...............<span class="_ _4"></span>.....<span class="_ _4"></span>......<span class="_ _4"></span>....13</div><div class="t m0 xc ha y66 ff1 fs3 fc0 sc0 ls0 ws0">3.3.7 <span class="_ _2"></span>ADC0832<span class="_ _5"> </span><span class="ff2">与单片机的接<span class="ff5">口</span>电路</span>...<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>..................<span class="_ _4"></span>.....<span class="_ _4"></span>.....14</div><div class="t m0 x5 hf y67 ff3 fs4 fc0 sc0 ls0 ws0">4 <span class="ff2">盆花自动浇水系统的设计</span>............<span class="_ _4"></span>...........<span class="_ _4"></span>...........<span class="_ _4"></span>...........<span class="_ _4"></span>..<span class="_ _4"></span>...<span class="_ _4"></span>..<span class="_ _4"></span>.<span class="_ _6"></span>14</div><div class="t m0 xb ha y68 ff1 fs3 fc0 sc0 ls0 ws0">4.1 <span class="ff2">土壤<span class="ff5">温</span>湿度采集与显示</span>.....<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>....<span class="_ _2"></span>1<span class="_ _4"></span>4</div><div class="t m0 xc ha y69 ff1 fs3 fc0 sc0 ls0 ws0">4.1.1 <span class="ff5">硬<span class="ff2">件电路设计</span></span>......<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>...........<span class="_ _4"></span>.....<span class="_ _4"></span>......<span class="_ _4"></span>.....<span class="_ _4"></span>...15</div><div class="t m0 xc ha y6a ff1 fs3 fc0 sc0 ls0 ws0">4.1.2<span class="_ _5"> </span><span class="ff5">具<span class="ff2">体的土壤</span>温<span class="ff2">湿度采集于显示系统</span>硬<span class="ff2">件电路</span></span>...<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>...................<span class="_ _4"></span>......<span class="_ _4"></span>....15</div><div class="t m0 xc h6 y6b ff1 fs3 fc0 sc0 ls0 ws0">4.1.3<span class="_ _5"> </span><span class="ff2">系统软件设计</span>...<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>..........<span class="_ _0"></span>15</div><div class="t m0 xb ha y6c ff1 fs3 fc0 sc0 ls0 ws0">5.2<span class="_ _3"> </span><span class="ff5">定<span class="ff2">时器部分</span></span>...................<span class="_ _0"></span>...........<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>............<span class="_ _0"></span>...................<span class="_ _4"></span>....21</div></div><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a 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class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>