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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">了解各类压力传感器的工作原理 </h1> <p class="xg1"> 时间：2017-1-4 09:28<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1510)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=5215&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>各类压力传感器的工作原理是什么，这篇文章为大家介绍了一些相关的基础知识。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div> <b>了解各类压力<a href="http://sensor.oecr.com" target="_blank" class="relatedlink">传感</a>器的工作原理</b>，压力传感器广泛应用于各种工业自控环境，涉及水利水电、铁路交通、智能建筑、生产自控、航空航天、军工、石化、油井、电力、船舶、机床、管道等众多行业。</div><div><br></div><div><div><div style="line-height: 25.2px;"><span style="line-height: 25.2px;"><b><font color="#f00000"> 【相关推荐】</font></b></span></div></div><div style="line-height: 25.2px;"> <b><font color="#0000f0"> </font></b><span style="line-height: 25.2px;"><a href="http://www.oecr.com/article-5168.html"><b><font color="#0000f0">如何分析光电传感器的控制电路</font></b></a></span></div></div><div><span style="line-height: 25.2px;"><br></span></div><div><p style="text-align: center;"><a href="data/attachment/portal/201701/04/092404pdxrrxokxtoyjenm.jpg" target="_blank"><img src="data/attachment/portal/201701/04/092404pdxrrxokxtoyjenm.jpg"></a></p></div><div><br></div><div> 压力传感器是工业实践中最为常用的一种传感器，其广泛应用于各种工业自控环境，涉及水利水电、铁路交通、智能建筑、生产自控、航空航天、军工、石化、油井、电力、船舶、机床、管道等众多行业。并且在不同环境下，需要使用不同类型的压力传感器，以避免误差。接下来我们就一起来看看不同类型压力传感器的工作原理。</div><div><br></div><div> <b><font color="#f00000">1、压阻式力传感器：</font></b>电阻应变片是压阻式应变传感器的主要组成部分之一。金属电阻应变片的工作原理是吸附在基体<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>上应变电阻随<a href="http://machine.oecr.com" target="_blank" class="relatedlink">机械</a>形变而产生阻值变化的现象，俗称为电阻应变效应。</div><div><br></div><div> <font color="#f00000"><b>2、陶瓷压力传感器：</b></font>陶瓷压力传感器基于压阻效应，压力直接作用在陶瓷膜片的前表面，使膜片产生微小的形变，厚膜电阻印刷在陶瓷膜片的背面，连接成一个惠斯通电桥，由于压敏电阻的压阻效应，使电桥产生一个与压力成正比的高度线性、与激励电压也成正比的电压信号，标准的信号根据压力量程的不同标定为2．0／3．0／3．3mV／V等，可以和应变式传感器相兼容。</div><div><br></div><div> <font color="#f00000"><b>3、扩散硅压力传感器：</b></font>扩散硅压力传感器工作原理也是基于压阻效应，利用压阻效应原理，被测介质的压力直接作用于传感器的膜片上（不锈钢或陶瓷），使膜片产生与介质压力成正比的微位移，使传感器的电阻值发生变化，利用<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>线路检测这一变化，并转换输出一个对应于这一压力的标准<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测量</a>信号。</div><div><br></div><div> <b><font color="#f00000"> 4、蓝宝石压力传感器：</font></b>利用应变电阻式工作原理，采用硅——蓝宝石作为<a href="http://sensor.oecr.com" target="_blank" class="relatedlink">半导体</a>敏感元件，具有无与伦比的计量特性。因此，利用硅——蓝宝石制造的半导体敏感元件，对温度变化不敏感，即使在高温条件下，也有着很好的工作特性；蓝宝石的抗辐射特性极强；另外，硅——蓝宝石半导体敏感元件，无p——n漂移。</div><div><br></div><div> <b><font color="#f00000">5、压电式压力传感器：</font></b>压电效应是压电传感器的主要工作原理，压电传感器不能用于静态测量，因为经过外力作用后的电荷，只有在回路具有无限大的输入阻抗时才得到保存。实际的情况不是这样的，所以这决定了压电传感器只能够测量动态的应力。</div><div><br></div><div> 以上就是跟大家介绍的了解各类压力传感器的工作原理。请对传感器感兴趣的朋友们好好研究一下。</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/201701/04/092549un86fp4wwpsvskws.jpg" target="_blank"><img 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class="xg1 xw0">2017-1-4 16:59</span> </dt> <dd>充值支持好多银行啊。</dd> </dl><a name="comment_anchor_10263"></a> <dl id="comment_10263_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(10263, '5215');">引用</a> </span> <a href="http://club.oecr.com/space-uid-83992.html" class="xi2 xw1" c="1">200919</a> <span class="xg1 xw0">2017-1-4 10:28</span> </dt> <dd>打酱油的人拉，回复下赚取光电贝。</dd> </dl><a name="comment_anchor_10262"></a> <dl id="comment_10262_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(10262, '5215');">引用</a> </span> <a href="http://club.oecr.com/space-uid-105130.html" class="xi2 xw1" c="1">gaokuai000</a> <span class="xg1 xw0">2017-1-4 09:58</span> </dt> <dd>不错！</dd> </dl><a name="comment_anchor_10261"></a> <dl id="comment_10261_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" 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