?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 甉|癄Q皮兹PILZl电器技术描q?/title><meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" /><meta name="description" content="PILZl电器是h隔离功能的自动开兛_Ӟq泛应用于遥控、遥、通讯、自动控制、机电一体化及电力电子设备中Q是zui重要的控制元件之一。PILZl电器一般都有能反映一定输入变量(如电、电压、功率?.."><meta name="keywords" content="皮尔?PILZ,l电?技术描q?低压电器"> <link href="/style/Template/public.css" rel="stylesheet" type="text/css" /> <link href="/style/Template/tech.css" rel="stylesheet" type="text/css" /> <script src="/Js/jquery-1.6.js" type="text/javascript"></script> <script src="/Js/ArticlePost/HitNum.js" type="text/javascript"></script> <script src="/Js/ArticleComments/ArticleComments.js" type="text/javascript"></script> <script src="/Js/Search/Search.js" type="text/javascript"></script> <script src="/Js/Public.js" type="text/javascript"></script> <script src="/Js/Advertisement/GetAdvertisement.js" type="text/javascript"></script> <script 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<div class="brand_news_details"> <h1>甉|癄Q皮兹PILZl电器技术描q?/h1><table style="border-bottom:1px dotted #e4e4e4;" align="center"><tr><td><div class="news_mes">文章来源Q【互联网?作者:??点击Q?span id="HitNum"></span>?旉Q?span id="dTime">2019/8/5 16:44:26</span><input type="hidden" id="ID" value="100901281"/><input type="hidden" id="TypeID" value="2"/></div> </td> <td><div id="ckepop"></div></td></tr></table><div id="Content" style="display:none;">[甉|癄Q皮兹PILZl电器技术描q]:PILZl电器是h隔离功能的自动开兛_Ӟq泛应用于遥控、遥、通讯、自动控制、机电一体化及电力电子设备中Q是zui重要的控制元件之一。PILZl电器一般都有能反映一定输入变量(如电、电压、功率?..</div><div class="brand_news_con"><p style="text-indent:2em;"> PILZl电器是h隔离功能的自动开兛_Ӟq泛应用于遥控、遥、通讯、自动控制、机电一体化及电力电子设备中Q是zui重要的控制元件之一?</p> <p style="text-indent:2em;"> PILZl电器一般都有能反映一定输入变量(如电、电压、功率、阻抗、频率、温度、压力、速度、光{)的感应机构(输入部分Q;有能对被控电路实现“通”、“断”控制的执行机构Q输出部分)Q在PILZl电器的输入部分和输出部分之_q有对输入量q行耦合隔离Q功能处理和对输出部分进行驱动的中间机构Q驱动部分)?</p> <p style="text-indent:2em;"> 作ؓ控制元gQ概括v来,PILZl电器有如下几种作用Q?</p> <p style="text-indent:2em;"> 1Q扩大控制范_例如Q多触点PILZl电器控制信可到某一定值时Q可以按触点l的不同形式Q同时换接、开断、接通多路电路?</p> <p style="text-indent:2em;"> 2Q放大:例如Q灵敏型PILZl电器、中间PILZl电器等Q用一个很微小的控刉Q可以控制很大功率的电\?</p> <p style="text-indent:2em;"> 3Q综合信P例如Q当多个控制信号按规定的形式输入多绕lPILZl电器时Q经q比较综合,辑ֈ预定的控制效果?</p> <p style="text-indent:2em;"> 4Q自动、遥控、监:例如Q自动装|上的PILZl电器与其他电器一P可以l成E序控制U\Q从而实现自动化q行?</p> <p style="text-indent:2em;"> PILZl电器可靠性的影响因素 </p> <p style="text-indent:2em;"> 1.环境对PILZl电器可靠性的影响QPILZl电器工作在GB和SF下的q_故障间隔旉zui?辑ֈ820000h,而在NU环境??0000h?</p> <p style="text-indent:2em;"> 2质量{对PILZl电器可靠性的影响Q当选用A1质量{的PILZl电器时,q_故障间隔旉可达3660000h,而选用C{的PILZl电器^均故障间隔时间ؓ110000,光相差33?可见PILZl电器的质量{对其可靠性能的媄响非常大 ?</p> <p style="text-indent:2em;"> 3触点形式对PILZl电器可靠性的影响QPILZl电器的触点形式也会对其可靠性生媄?单掷型PILZl电器的可靠性都高于相同刀数的双掷型PILZl电?同时随刀数的增加可靠性逐渐降低,单刀单掷PILZl电器的q_故障间隔旉是四刀双掷PILZl电器的5.5??</p> <p style="text-indent:2em;"> 4l构cd对PILZl电器可靠性的影响QPILZl电器结构类型共?4U?不同cd均对其可靠性生媄??</p> <p style="text-indent:2em;"> 5温度对PILZl电器可靠性的影响QPILZl电器工作温度范围在-25?0℃之间。随着温度的升?PILZl电器的q_故障间隔旉逐渐下降 ?</p> <p style="text-indent:2em;"> 6动作速率对PILZl电器可靠性的影响Q随着PILZl电器动作速率的提?q_故障间隔旉基本呈指数型下降势。因?若设计的电\要求PILZl电器的动作速率非常?那么在电路维修时需要仔l检PILZl电器以便及时对它更? ?</p> <p style="text-indent:2em;"> 7甉|比对PILZl电器可靠性的影响Q所谓电比是PILZl电器的工作负蝲甉|与额定负载电之比。电比对PILZl电器的可靠性媄响很?其当电比大于0.1?q_故障间隔旉q速下?而电比于0.1?q_故障间隔旉基本不变,因此在电路设计时应选用额定甉|较大的负载以降低甉|?q样可保证PILZl电器乃x个电路不因工作电的波动而可靠性降??</p> <p style="text-indent:2em;"> <br /> </p></div><div class="meneame"><span class="disabled">< </span><span class="current">1</span> <span class="disabled">> </span></div> <div style="text-align: center;padding-top: 10px;"><img src="/images/code.jpg" alt="x有惊?" /></div> <div class="news_bot_mes">中国工业电器|:此内容{载于合作媒体或互联网其它|站Q中国工业电器网登蝲此文Z传递更多信息之目的Qƈ不意味着赞同其观Ҏ证实其描qͼ</br>新闻、技术文章投EQQQ?28246603 邮箱Qnews@cnelc.com</div> <h2 class="related">相关阅读</h2> <ul class="related_con"> <li>· <a href="/text/32/190809/AD100901486_1.html" target="_blank">甉|癄Q旋涡气는机烧坏的原因分析</a></li><li>· <a href="/text/32/190809/AD100901485_1.html" target="_blank">甉|癄Q澃涡式气܇的故障与排除Ҏ</a></li><li>· <a 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