STM32与AD7124实现的热电偶与Pt100冷端补偿方案源码集萃，涵盖多种类型热电偶处理及三线制双恒流源比例法误差消除,STM32+AD7124集成的热电偶与Pt100冷端补偿解决方案源码全资料
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STM32与AD7124实现的热电偶与Pt100冷端补偿方案源码集萃，涵盖多种类型热电偶处理及三线制双恒流源比例法误差消除,STM32+AD7124集成的热电偶与Pt100冷端补偿解决方案源码全资料，支持多种类型热电偶及三线制双恒流源比例法,STM32+AD7124+热电偶方案+Pt100冷端补偿解析工程源码，源码包含Pt100、NTC热敏、热电偶处理驱动源码，支持热电偶类型T、J、E、N、K、B、如果用于别的R、S 8种类型，并有Pt100测温方案 原理图，含三线制 ，四线制三线制双恒流源比例法，消除导线电阻误差资料很全 ,STM32; AD7124; 热电偶方案; Pt100冷端补偿; 驱动源码; 热电偶类型; Pt100测温方案; 三线制; 四线制双恒流源比例法。,STM32与AD7124协同：八类型热电偶与Pt100测温方案源码解析及冷端补偿原理图 <link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90430712/2/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90430712/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">**STM32<span class="_ _0"> </span><span class="ff2">与<span class="_ _0"> </span></span>AD7124<span class="ff2">：打造灵活的热电偶与<span class="_ _0"> </span></span>Pt100<span class="_ _0"> </span><span class="ff2">测温系统</span>**</div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">在<span class="_ _1"></span>当<span class="_ _1"></span>今<span class="_ _1"></span>的<span class="_ _1"></span>嵌<span class="_ _1"></span>入<span class="_ _1"></span>式<span class="_ _1"></span>系<span class="_ _1"></span>统<span class="_ _1"></span>开<span class="_ _1"></span>发<span class="_ _1"></span>中<span class="_ _1"></span>，<span class="_ _1"></span>精<span class="_ _1"></span>确<span class="_ _1"></span>的<span class="_ _1"></span>温<span class="_ _1"></span>度<span class="_ _1"></span>测<span class="_ _1"></span>量<span class="_ _1"></span>是<span class="_ _1"></span>许<span class="_ _1"></span>多<span class="_ _1"></span>应<span class="_ _1"></span>用<span class="_ _1"></span>的<span class="_ _1"></span>关<span class="_ _1"></span>键<span class="_ _1"></span>。<span class="_ _1"></span>本<span class="_ _1"></span>文<span class="_ _1"></span>将<span class="_ _1"></span>探<span class="_ _1"></span>讨<span class="_ _1"></span>如<span class="_ _1"></span>何<span class="_ _1"></span>利<span class="_ _1"></span>用</div><div class="t m0 x1 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">STM32<span class="_"> </span><span class="ff2">微控制<span class="_ _1"></span>器和<span class="_ _2"> </span></span>AD7124<span class="_"> </span><span class="ff2">数据采<span class="_ _1"></span>集器<span class="_ _1"></span>，结<span class="_ _1"></span>合热电<span class="_ _1"></span>偶和<span class="_ _2"> </span></span>Pt100<span class="_"> </span><span class="ff2">测温方<span class="_ _1"></span>案，<span class="_ _1"></span>实现<span class="_ _1"></span>一个灵<span class="_ _1"></span>活且</span></div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">精确的测温系统。</div><div class="t m0 x1 h2 y5 ff2 fs0 fc0 sc0 ls0 ws0">一、引言</div><div class="t m0 x1 h2 y6 ff2 fs0 fc0 sc0 ls0 ws0">随<span class="_ _1"></span>着<span class="_ _1"></span>工<span class="_ _1"></span>业<span class="_ _3"></span>自<span class="_ _1"></span>动<span class="_ _1"></span>化<span class="_ _1"></span>和<span class="_ _3"></span>智<span class="_ _1"></span>能<span class="_ _1"></span>家<span class="_ _1"></span>居<span class="_ _3"></span>的<span class="_ _1"></span>快<span class="_ _1"></span>速<span class="_ _1"></span>发<span class="_ _3"></span>展<span class="_ _1"></span>，<span class="_ _1"></span>对<span class="_ _1"></span>温<span class="_ _3"></span>度<span class="_ _1"></span>测<span class="_ _1"></span>量<span class="_ _1"></span>的<span class="_ _3"></span>准<span class="_ _1"></span>确<span class="_ _1"></span>性<span class="_ _1"></span>和<span class="_ _3"></span>可<span class="_ _1"></span>靠<span class="_ _1"></span>性<span class="_ _1"></span>要<span class="_ _3"></span>求<span class="_ _1"></span>越<span class="_ _1"></span>来<span class="_ _1"></span>越<span class="_ _3"></span>高<span class="_ _1"></span>。</div><div class="t m0 x1 h2 y7 ff1 fs0 fc0 sc0 ls0 ws0">STM32<span class="_"> </span><span class="ff2">系列微<span class="_ _1"></span>控制器<span class="_ _1"></span>以其高<span class="_ _1"></span>性能和<span class="_ _1"></span>低功<span class="_ _1"></span>耗的特<span class="_ _1"></span>点，成<span class="_ _1"></span>为众多<span class="_ _1"></span>工程<span class="_ _1"></span>师的首<span class="_ _1"></span>选。而<span class="_ _2"> </span></span>AD7124<span class="_"> </span><span class="ff2">作</span></div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">为一款高精度的数据采集器，能够与<span class="_ _0"> </span><span class="ff1">STM32<span class="_ _0"> </span></span>完美结合，为温度测量提供强有力的支持。</div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">二、热电偶与<span class="_ _0"> </span><span class="ff1">Pt100<span class="_ _0"> </span></span>测温原理</div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">热电偶是一种通过测量两种不同导体在热端和冷端之间的电势差来推算温度的装置。<span class="ff1">Pt100</span></div><div class="t m0 x1 h2 yb ff2 fs0 fc0 sc0 ls0 ws0">则是一种铂电阻温度传感器，<span class="_ _4"></span>其阻值随温度变化而变化，<span class="_ _4"></span>通过测量阻值可以推算出温度。<span class="_ _4"></span>这</div><div class="t m0 x1 h2 yc ff2 fs0 fc0 sc0 ls0 ws0">两种传感器各有优缺点，<span class="_ _5"></span>但当它们与适当的电路和算法结合时，<span class="_ _5"></span>可以提供非常准确的温度测</div><div class="t m0 x1 h2 yd ff2 fs0 fc0 sc0 ls0 ws0">量。</div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">三、<span class="ff1">AD7124<span class="_ _0"> </span></span>的应用</div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">AD7124<span class="_"> </span><span class="ff2">是一款高精度的<span class="_ _2"> </span></span>ADC<span class="ff2">（模数转<span class="_ _1"></span>换器）<span class="_ _6"></span>，它可以<span class="_ _1"></span>接收热电偶<span class="_ _1"></span>和<span class="_ _0"> </span><span class="ff1">Pt100<span class="_"> </span></span>等传感器的信号<span class="_ _1"></span>，</span></div><div class="t m0 x1 h2 y10 ff2 fs0 fc0 sc0 ls0 ws0">并将其转换为数字信号供微控制器处理。<span class="_ _7"></span>通过配置<span class="_ _0"> </span><span class="ff1">AD7124<span class="_ _0"> </span></span>的参数，<span class="_ _7"></span>我们可以实现多种热电</div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">偶类型<span class="_ _1"></span>（如<span class="_ _0"> </span><span class="ff1">T</span>、<span class="ff1">J<span class="_ _1"></span></span>、<span class="ff1">E</span>、<span class="ff1">N<span class="_ _1"></span></span>、<span class="ff1">K</span>、<span class="ff1">B<span class="_"> </span></span>以及扩展<span class="_ _1"></span>支持的<span class="_ _0"> </span><span class="ff1">R<span class="_ _1"></span></span>、<span class="ff1">S<span class="_"> </span></span>类型）的测量<span class="_ _1"></span>，同时支<span class="_ _1"></span>持<span class="_ _0"> </span><span class="ff1">Pt100<span class="_"> </span></span>的测</div><div class="t m0 x1 h2 y12 ff2 fs0 fc0 sc0 ls0 ws0">温方案。</div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">四、<span class="ff1">STM32<span class="_ _0"> </span></span>的处理与控制</div><div class="t m0 x1 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0">STM32<span class="_"> </span><span class="ff2">微控制<span class="_ _1"></span>器负责<span class="_ _1"></span>接收<span class="_ _0"> </span></span>AD7124<span class="_"> </span><span class="ff2">传来<span class="_ _1"></span>的数字<span class="_ _1"></span>信号<span class="_ _1"></span>，并通<span class="_ _1"></span>过算法<span class="_ _1"></span>处理得<span class="_ _1"></span>到温<span class="_ _1"></span>度值。<span class="_ _1"></span>同时，</span></div><div class="t m0 x1 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0">STM32<span class="_"> </span><span class="ff2">还可以根据需<span class="_ _1"></span>要控制<span class="_ _0"> </span></span>AD7124<span class="_"> </span><span class="ff2">的工作模式<span class="_ _1"></span>和参数设置<span class="_ _1"></span>。此外，</span>STM32<span class="_"> </span><span class="ff2">还可以<span class="_ _1"></span>通过串</span></div><div class="t m0 x1 h2 y16 ff2 fs0 fc0 sc0 ls0 ws0">口或其他通信方式将温度值传输给上位机或云端平台，实现远程监控和管理。</div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">五、<span class="ff1">Pt100<span class="_ _0"> </span></span>冷端补偿与三线制、四线制原理图解析</div><div class="t m0 x1 h2 y18 ff1 fs0 fc0 sc0 ls0 ws0">Pt100<span class="_ _0"> </span><span class="ff2">冷端补偿是提高测温精度的重要手段。<span class="_ _8"></span>通过合理的电路设计和算法补偿，<span class="_ _8"></span>可以消除环</span></div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">境温度对测量的影响。<span class="_ _5"></span>而三线制和四线制的原理图则涉及到信号传输和供电方式的优化，<span class="_ _5"></span>以</div><div class="t m0 x1 h2 y1a ff2 fs0 fc0 sc0 ls0 ws0">消除导线电阻带来的误差。这些原理图和相关的源码将在后续部分提供。</div><div class="t m0 x1 h2 y1b ff2 fs0 fc0 sc0 ls0 ws0">六、源码解析与拓展</div><div class="t m0 x1 h2 y1c ff2 fs0 fc0 sc0 ls0 ws0">本文附带的源码包括<span class="_ _0"> </span><span class="ff1">Pt100</span>、<span class="_ _8"></span><span class="ff1">NTC<span class="_"> </span><span class="ff2">热敏、<span class="_ _8"></span>热电偶处理驱动源码，<span class="_ _8"></span>支持多种热电偶类型。<span class="_ _8"></span>这些</span></span></div><div class="t m0 x1 h2 y1d ff2 fs0 fc0 sc0 ls0 ws0">源码可以在<span class="_ _0"> </span><span class="ff1">STM32<span class="_"> </span></span>开发环境中直接使用，并可<span class="_ _1"></span>通过修改参数来适应不同的应用<span class="_ _1"></span>场景。此外，</div><div class="t m0 x1 h2 y1e ff2 fs0 fc0 sc0 ls0 ws0">源码还包含了三线制和四线制的相关处理逻辑，<span class="_ _5"></span>以及双恒流源比例法的实现。<span class="_ _5"></span>对于其他类型</div><div class="t m0 x1 h2 y1f ff2 fs0 fc0 sc0 ls0 ws0">的热电偶（如<span class="_ _0"> </span><span class="ff1">R</span>、<span class="ff1">S<span class="_ _0"> </span></span>类型）<span class="_ _6"></span>，只需按照相应的接口规范进行配置即可。</div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div>