基于超声波传感器的水位自动控制系统.rar

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基于超声波传感器的水位自动控制系统rar,基于超声波传感器的水位自动控制系统:通过测量传感器的信号频率来获取液面高度,由单片机系统数据处理模块、A/D 数据输入模块、485 通讯模块、液位控制及报警模块组成。
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<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/11723653/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/11723653/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">&#22522;&#20110;&#36229;&#22768;&#27874;&#20256;&#24863;&#22120;&#30340;&#27700;&#20301;&#33258;&#21160;&#25511;&#21046;&#31995;&#32479; </div><div class="t m0 x2 h3 y2 ff1 fs1 fc0 sc1 ls1 ws0">&#26446; &#20005;</div><div class="t m0 x3 h4 y3 ff2 fs2 fc0 sc1 ls2 ws0">1</div><div class="t m0 x4 h3 y2 ff1 fs1 fc0 sc1 ls3 ws0">&#65292;&#24352; &#27665;</div><div class="t m0 x5 h4 y3 ff2 fs2 fc0 sc1 ls2 ws0">2</div><div class="t m0 x6 h3 y2 ff1 fs1 fc0 sc1 ls2 ws0"> </div><div class="t m0 x7 h5 y4 ff2 fs1 fc0 sc1 ls4 ws0">(1. <span class="_"> </span><span class="ff1 ls2">&#38738;&#23707;&#29702;&#24037;&#22823;&#23398;&#35745;&#31639;&#26426;&#24037;&#31243;&#23398;&#38498;</span><span class="ls5 ws1"> 266033</span><span class="ff1 ls2">&#65307;</span><span class="ls6">2. <span class="_"> </span><span class="ff1 ls2">&#38738;&#23707;&#29702;&#24037;&#22823;&#23398;&#33258;&#21160;&#21270;&#24037;&#31243;&#23398;&#38498;</span><span class="ls7 ws2"> 266033) </span></span></div><div class="t m0 x8 h5 y5 ff3 fs3 fc0 sc1 ls2 ws0">&#25688;&#35201;&#65306;<span class="ff1 fs1">&#36890;&#36807;&#27979;&#37327;&#20256;&#24863;&#22120;&#30340;&#20449;&#21495;&#39057;&#29575;&#26469;&#33719;&#21462;&#28082;&#38754;&#39640;&#24230;&#65292;&#30001;&#21333;&#29255;&#26426;&#31995;&#32479;&#25968;&#25454;&#22788;&#29702;&#27169;&#22359;&#12289;<span class="ff2">A/D<span class="_ _0"> </span></span>&#25968;</span></div><div class="t m0 x8 h5 y6 ff1 fs1 fc0 sc1 ls2 ws0">&#25454;&#36755;&#20837;&#27169;&#22359;&#12289;<span class="_ _1"></span><span class="ff2 ls8">485<span class="_"> </span><span class="ff1 ls2">&#36890;&#35759;&#27169;&#22359;&#12289;<span class="_ _1"></span>&#28082;&#20301;&#25511;&#21046;&#21450;&#25253;&#35686;&#27169;&#22359;&#32452;&#25104;&#12290;<span class="_ _1"></span>&#30001;&#38190;&#30424;&#35774;&#23450;&#28082;&#20301;&#65292;<span class="_ _1"></span>&#20027;&#26426;&#21487;&#20197;&#26174;&#31034;&#21644;</span></span></div><div class="t m0 x8 h5 y7 ff1 fs1 fc0 sc1 ls2 ws0">&#35774;&#23450;&#20174;&#26426;&#30340;&#28082;&#20301;&#65292;&#20877;&#36890;&#36807;&#20256;&#24863;&#22120;&#21644;<span class="_ _0"> </span><span class="ff2">A/D<span class="_ _0"> </span></span>&#36716;&#25442;&#25226;&#24403;&#21069;&#28082;&#20301;&#20256;&#21040;&#25511;&#21046;&#22120;&#19982;&#35774;&#23450;&#20540;&#27604;&#36739;&#65307;&#21333;&#29255;&#26426;</div><div class="t m0 x8 h3 y8 ff1 fs1 fc0 sc1 ls2 ws0">&#25511;&#21046;&#30005;&#30913;&#38400;&#35843;&#33410;&#28082;&#20301;&#12290;&#26368;&#21518;&#32473;&#20986;&#23454;&#38469;&#27979;&#35797;&#32467;&#26524;&#19982;&#25968;&#25454;&#20998;&#26512;&#12290; </div><div class="t m0 x8 h5 y9 ff3 fs3 fc0 sc1 ls2 ws0">&#20851;&#38190;&#35789;&#65306;<span class="ff1 fs1">&#36229;&#22768;&#27874;&#20256;&#24863;&#22120;&#65307;<span class="ff2 ls9">ICL7135</span>&#65307;&#28082;&#20301;&#25511;&#21046;&#65307;<span class="ff2 lsa">OCM4X8C </span></span></div><div class="t m0 x8 h6 ya ff3 fs3 fc0 sc1 ls2 ws0">&#20013;&#22270;&#20998;&#31867;&#21495;&#65306;<span class="ff2 lsb ws3">TP273+.5 </span>&#25991;&#29486;&#26631;&#35782;&#30721;&#65306;<span class="ff2 lsc">B </span></div><div class="t m0 x8 h6 yb ff2 fs3 fc0 sc1 ls2 ws0"> </div><div class="t m0 x9 h7 yc ff2 fs4 fc0 sc1 lsd ws4">Design of Automatic Contro<span class="lse ws5">l System of Liquid Level </span></div><div class="t m0 xa h6 yd ff2 fs3 fc0 sc1 lsf ws6">Li Yan</div><div class="t m0 xb h8 ye ff2 fs5 fc0 sc1 ls2 ws0">1</div><div class="t m0 xc h6 yd ff2 fs3 fc0 sc1 ls10 ws7">, Zhang Min</div><div class="t m0 xd h8 ye ff2 fs5 fc0 sc1 ls11 ws0">2 </div><div class="t m0 xe h6 yf ff1 fs3 fc0 sc1 ls2 ws0">&#65288;<span class="ff2 lsb ws8">1. School of Computer Engineering, <span class="ls10 ws7">Qingdao <span class="_ _1"></span>T<span class="_ _2"></span>echnological University 266033; </span></span></div><div class="t m0 x7 h6 y10 ff2 fs3 fc0 sc1 ls2 ws9">2. School of <span class="_ _2"></span>Automation Engineering, Qingdao T<span class="_ _3"></span>echnological University 266033<span class="ff1 ws0">&#65289;<span class="ff2"> </span></span></div><div class="t m0 x8 h9 y11 ff4 fs3 fc0 sc1 ls12 ws0">Abstract:<span class="ff2 ls2"> </span></div><div class="t m0 xf h5 y12 ff2 fs1 fc0 sc1 ls13 wsa">The liquid <span class="_ _1"></span>level altitude is get<span class="_ _1"></span> by surveying signal freque<span class="_ _1"></span>ncy of ultrasonic sensor <span class="_ _1"></span>and </div><div class="t m0 x8 h5 y13 ff2 fs1 fc0 sc1 ls14 wsb">mainly consist<span class="_ _1"></span>s of the part of dat<span class="_ _1"></span>a processing modul<span class="_ _1"></span>e; A/D data input<span class="_ _1"></span> module, 485 com<span class="_ _1"></span>munication </div><div class="t m0 x8 h5 y14 ff2 fs1 fc0 sc1 ls15 wsc">module, liqu<span class="_ _1"></span>id level control module <span class="_ _1"></span>and warning module. By<span class="_ _1"></span> setting the liquid leve<span class="_ _1"></span>l according </div><div class="t m0 x8 h5 y15 ff2 fs1 fc0 sc1 ls13 wsd">keyboard, the m<span class="_ _1"></span>ainframe is able to show a<span class="_ _1"></span>nd set the level of</div><div class="t m0 x10 h6 y16 ff2 fs3 fc0 sc1 ls2 ws0"> <span class="_ _4"></span><span class="fs1 ls16 wse">inferior controll<span class="_ _1"></span>er<span class="_ _2"></span>. Comparing actual </span></div><div class="t m0 x8 h5 y17 ff2 fs1 fc0 sc1 ls16 wsf">level which is<span class="_ _1"></span> transformed by the sensor and A<span class="_ _1"></span>/D transfer<span class="_ _1"></span>, SCM controls the<span class="_ _1"></span> electromagnetic </div><div class="t m0 x8 h5 y18 ff2 fs1 fc0 sc1 ls17 ws10">valve to modu<span class="_ _1"></span>late liquid level. <span class="_ _2"></span>At the en<span class="_ _1"></span>d actual test results an<span class="_ _1"></span>d data analysis are showed.</div><div class="t m0 x11 h6 y19 ff2 fs3 fc0 sc1 ls2 ws0"> </div><div class="t m0 x8 h9 y1a ff4 fs3 fc0 sc1 ls18 ws11">Key words: <span class="ff2 fs1 ls19 ws12">ultrasonic se<span class="_ _1"></span>nsor; ICL7135; liquid <span class="_ _1"></span>level control; OCM4<span class="_ _1"></span>X8C </span></div><div class="t m0 x8 h6 y1b ff2 fs3 fc0 sc1 ls2 ws0">0 <span class="_"> </span><span class="ff3">&#24341;&#35328;</span> </div><div class="t m0 x12 h3 y1c ff1 fs1 fc0 sc1 ls2 ws0">&#30446;&#21069;&#22269;&#20869;&#22312;&#28082;&#20301;&#33258;&#21160;&#25511;&#21046;&#26041;&#38754;&#32570;&#23569;&#38271;&#26399;&#21487;&#38752;&#30340;&#20351;&#29992;&#33539;&#20363;&#65292;<span class="_ _5"></span>&#36824;&#27809;&#26377;&#36866;&#29992;&#20110;&#28082;&#20301;&#27979;&#37327;&#21644;&#33258;&#21160;</div><div class="t m0 x8 h3 y1d ff1 fs1 fc0 sc1 ls2 ws0">&#25511;&#21046;&#30340;&#23450;&#22411;&#20135;&#21697;&#12290;&#22240;&#27492;&#65292;&#24320;&#23637;&#28082;&#20301;&#33258;&#21160;&#25511;&#21046;&#30340;&#30740;&#31350;&#24037;&#20316;&#21313;&#20998;&#24517;&#35201;</div><div class="t m0 x13 h4 y1e ff2 fs2 fc0 sc1 ls1a ws0">[1]</div><div class="t m0 x14 h3 y1f ff1 fs1 fc0 sc1 ls2 ws0">&#12290; </div><div class="t m0 x12 h5 y20 ff1 fs1 fc0 sc1 ls2 ws0">&#31995;&#32479;&#20026;&#19968;&#20010;&#27700;&#20301;&#30417;&#27979;&#19982;&#25511;&#21046;&#35013;&#32622;&#65292;<span class="_ _2"></span>&#36890;&#36807;&#38190;&#30424;&#21487;&#20197;&#35774;&#23450;&#29942;&#20869;&#28082;&#20301;<span class="_ _2"></span>&#65288;<span class="ff2">0</span>&#65374;<span class="ff2 ls5">25cm</span>&#20869;&#30340;&#20219;&#24847;&#20540;&#65289;<span class="_ _6"></span>&#65292;</div><div class="t m0 x8 h5 y21 ff1 fs1 fc0 sc1 ls2 ws0">&#24182;&#36890;&#36807;&#25511;&#21046;&#30005;&#30913;&#38400;&#65288;&#25110;&#31867;&#20284;&#20110;&#30005;&#30913;&#38400;&#30340;&#35013;&#32622;&#65289;&#20351;&#29942;&#20869;&#30340;&#28082;&#20301;&#36798;&#21040;&#35774;&#23450;&#20540;&#65292;&#28082;&#20301;&#36229;&#36807;<span class="ff2 ls1b">25cm</span>&#25110;</div><div class="t m0 x8 h5 y22 ff1 fs1 fc0 sc1 ls2 ws0">&#20302;&#20110;<span class="ff2 ls14">2cm</span>&#26102;&#20250;&#21457;&#20986;&#35686;&#25253;&#12290;&#26174;&#31034;&#22120;&#33021;&#23454;&#26102;&#26174;&#31034;&#24403;&#21069;&#28082;&#20301;&#29366;&#24577;&#21644;&#29942;&#20869;&#28082;&#20307;&#37325;&#37327;&#20197;&#21450;&#38400;&#38376;&#29366;&#24577;&#12290; </div><div class="t m0 x8 h6 y23 ff2 fs3 fc0 sc1 ls2 ws0">1 <span class="_"> </span><span class="ff3">&#31995;&#32479;&#21151;&#33021;&#27010;&#36848;&#21450;&#26694;&#22270;</span> </div><div class="t m0 x12 h5 y24 ff1 fs1 fc0 sc1 ls2 ws0">&#26412;&#35774;&#35745;&#21033;&#29992;<span class="_ _7"> </span><span class="ff2 ls4">MCS-51<span class="_"> </span></span>&#21333;&#29255;&#26426;&#32467;&#21512;&#25968;&#23383;&#33455;&#29255;&#12289;&#27169;&#25311;&#30005;&#36335;&#65292;&#23436;&#25104;&#23545;&#27700;&#20301;&#30340;&#26816;&#27979;&#21644;&#33258;&#21160;&#25511;&#21046;&#12290;<span class="_ _8"></span> </div><div class="t m0 x12 h3 y25 ff1 fs1 fc0 sc1 ls2 ws0">&#22522;&#26412;&#24037;&#20316;&#27969;&#31243;&#20026;&#65306;<span class="_ _9"></span>&#20027;&#26426;&#36890;&#36807;&#38190;&#30424;&#35774;&#23450;&#33258;&#24049;&#21644;&#20174;&#26426;&#30340;&#28082;&#20301;&#65292;<span class="_ _9"></span>&#36229;&#22768;&#27874;&#20256;&#24863;&#22120;&#27979;&#20986;&#24403;&#21069;&#27700;&#20301;&#23545;</div><div class="t m0 x8 h5 y26 ff1 fs1 fc0 sc1 ls2 ws0">&#24212;&#30340;&#30005;&#21387;&#20540;&#65292;&#20877;&#32463;&#36807;<span class="_"> </span><span class="ff2 ls9">ICL7135<span class="_ _a"> </span></span>&#27169;&#25968;&#36716;&#21270;&#36865;&#20837;&#25511;&#21046;&#22120;&#19982;&#35774;&#23450;&#20540;&#27604;&#36739;&#65292;&#21333;&#29255;&#26426;&#36890;&#36807;&#25511;&#21046;&#30005;&#30913;&#38400;</div><div class="t m0 x8 h5 y27 ff1 fs1 fc0 sc1 ls2 ws0">&#35843;&#33410;&#20027;&#26426;&#28082;&#20301;&#65292;&#24182;&#25226;&#35774;&#23450;&#20540;&#19982;&#24403;&#21069;&#20540;&#26174;&#31034;&#22312;<span class="_ _7"> </span><span class="ff2 ls1c">LCD<span class="_ _b"> </span></span>&#19978;&#65307;&#20027;&#26426;&#25511;&#21046;&#22120;&#36890;&#36807;<span class="_ _7"> </span><span class="ff2 ls8">485<span class="_ _b"> </span></span>&#36890;&#35759;&#23545;&#20174;&#26426;&#25511;&#21046;</div><div class="t m0 x8 h5 y28 ff1 fs1 fc0 sc1 ls2 ws0">&#22120;&#20256;&#36755;&#35774;&#23450;&#20540;&#65292;&#20174;&#26426;&#25511;&#21046;&#22120;&#20063;&#21487;&#20197;&#22914;&#20027;&#26426;&#25511;&#21046;&#22120;&#19968;&#26679;&#23545;&#28082;&#20301;&#36827;&#34892;&#25511;&#21046;&#65292;&#24182;&#36890;&#36807;<span class="_ _b"> </span><span class="ff2 ls1d">LCD<span class="_ _b"> </span></span>&#26174;&#31034;&#20027;</div><div class="t m0 x8 h5 y29 ff1 fs1 fc0 sc1 ls2 ws0">&#26426;&#32473;&#23450;&#20540;&#19982;&#24403;&#21069;&#28082;&#20301;&#20540;&#65307;&#24182;&#21033;&#29992;<span class="_ _7"> </span><span class="ff2 ls8">485<span class="_"> </span></span>&#36890;&#35759;&#25226;&#20174;&#26426;&#24403;&#21069;&#28082;&#20301;&#20256;&#36865;&#32473;&#20027;&#26426;&#26174;&#31034;&#20986;&#26469;&#12290; </div><div class="t m0 x12 h5 y2a ff1 fs1 fc0 sc1 ls2 ws0">&#31995;&#32479;&#30001;&#21333;&#29255;&#26426;&#31995;&#32479;&#25968;&#25454;&#22788;&#29702;&#27169;&#22359;&#12289;<span class="ff2">A/D<span class="_ _b"> </span></span>&#25968;&#25454;&#36755;&#20837;&#27169;&#22359;&#12289;<span class="ff2 ls8">485<span class="_ _b"> </span></span>&#36890;&#35759;&#27169;&#22359;</div><div class="t m0 x15 h4 y2b ff2 fs2 fc0 sc1 ls1a ws0">[2]</div><div class="t m0 x16 h3 y2c ff1 fs1 fc0 sc1 ls2 ws0">&#12289;&#28082;&#20301;&#25511;&#21046;&#21450;&#25253;</div><div class="t m0 x8 h3 y2d ff1 fs1 fc0 sc1 ls2 ws0">&#35686;&#27169;&#22359;&#21450;&#38190;&#30424;&#21644;&#26174;&#31034;&#27169;&#22359;&#31561;&#20960;&#37096;&#20998;&#32452;&#25104;</div><div class="t m0 x17 h4 y2e ff2 fs2 fc0 sc1 ls1a ws0">[3]</div><div class="t m0 x18 h5 y2f ff1 fs1 fc0 sc1 ls2 ws0">&#12290;&#31995;&#32479;&#24635;&#26694;&#22270;&#22914;&#22270;<span class="_ _7"> </span><span class="ff2">1<span class="_"> </span></span>&#25152;&#31034;&#12290;<span class="ff2"> </span></div><div class="t m0 x8 h6 y30 ff2 fs3 fc0 sc1 ls2 ws0">2 <span class="_"> </span><span class="ff3">&#26041;&#26696;&#35770;&#35777;&#19982;&#27604;&#36739;</span> </div><div class="t m0 x12 h5 y31 ff1 fs1 fc0 sc1 ls2 ws0">&#32771;&#34385;&#31995;&#32479;&#30340;&#35201;&#27714;&#65292;&#22312;&#23545;&#22120;&#20214;&#30340;&#36873;&#25321;&#36807;&#31243;&#20013;&#65292;&#20391;&#37325;&#20110;&#23545;&#20256;&#24863;&#22120;&#21644;&#27169;&#25968;&#36716;&#25442;&#33455;&#29255;&#30340;&#36873;&#25321;&#12290;<span class="ff2"> </span></div><div class="t m0 x8 h6 y32 ff2 fs3 fc0 sc1 ls2 ws0">2.1 <span class="_"> </span><span class="ff3">&#20256;&#24863;&#22120;</span> </div><div class="t m0 x12 ha y33 ff1 fs1 fc0 sc1 ls2 ws0">&#31995;&#32479;&#35774;&#35745;&#36807;&#31243;&#20013;&#65292;&#20027;&#35201;&#23545;&#20197;&#19979;&#19977;&#31181;&#20256;&#24863;&#22120;&#36827;&#34892;&#20102;&#36873;&#25321;&#27604;&#36739;&#12290;<span class="fs3"> </span></div><div class="t m0 x12 h3 y34 ff1 fs1 fc0 sc1 ls2 ws0">&#26041;&#26696;&#19968;&#65306;&#21387;&#21147;&#20256;&#24863;&#22120; </div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div></body></html>
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