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<div>郵箱：476294094@kyfbest.com</div> <div>郵箱：18701876288@kyfbest.com</div> <div>地址：上海松江高科技工業(yè)園淶寅路<br>1881號5號樓2層</div> <div>郵編：201615</div> <div>網(wǎng)站：www.uf7o.cn<br>?????????www.best5858.com</div> <div><br></div> </ul> </div> </div> <div id="ceneyfzzuscc" class="contRight"> <div id="ceneyfzzuscc" class="conNeiRong"> <div id="ceneyfzzuscc" class="conNeiTitle" style="text-indent:10px;"> <span id="ceneyfzzuscc" class="conNeiTitle-span1"><span></span>行業(yè)新聞</span> <span id="ceneyfzzuscc" class="conNeiTitle-span2">當前位置:<a href='http://www.uf7o.cn/'>主頁</a> > <a href='http://www.uf7o.cn/news/'>新聞中心</a> > <a href='http://www.uf7o.cn/news2/'>行業(yè)新聞</a> > </span> </div> <div id="ceneyfzzuscc" class="conNeiText"> <div style=" text-align:left; float:left; margin:0px; padding:0px auto; width:98%;min-height:565px; margin-left:8px;"> <h1 class="title" style="margin-top:10px; margin-left:10px; text-align:center; line-height:35px;">質(zhì)量不過關的航空插頭連接器會引發(fā)不良的現(xiàn)象</h1> <div id="ceneyfzzuscc" class='search2' style='text-align:center; border-top:dotted 1px #999; margin-top:10px; padding-top:10px;'><strong>發(fā)布時間: </strong>2018-12-10　瀏覽次數(shù): ?<script src="http://www.uf7o.cn/plus/count.php?view=yes&aid=861&mid=1"type='text/javascript' language="javascript"></script></div> <div id="ceneyfzzuscc" class="newp" style=" width:98%; padding:8px;"> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family:arial, helvetica, sans-serif"><span style="font-size: 14px;">產(chǎn)品質(zhì)量不過關會引起許多問題，那么，質(zhì)量不過關的</span></span></span><strong><span style="font-family:arial, helvetica, sans-serif"><span style="font-size: 14px;"><a href="http://www.uf7o.cn/"><span style="color:#ff0000;">航空插頭</span></a></span></span></strong><span style="color:#000000;"><span style="font-family:arial, helvetica, sans-serif"><span style="font-size: 14px;">連接器會引發(fā)不良的現(xiàn)象有哪些呢？為了讓大家分清好壞的區(qū)別，科迎法整理了一些相關資料，供大家參考學習。</span></span></span></p> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">許多黑心廠家，產(chǎn)品都不過關，就敢隨意發(fā)貨，售后不管不問。并且會引發(fā)各種各樣的問題現(xiàn)象，嚴重一些的甚至會威脅到人們使用產(chǎn)品時的人身安全。</span></span></p> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">?比如說光伏組件中的航空插頭連接器、接線盒都是細小精密的小部件，但是這兩個小部件如果在質(zhì)量上不過關將是個巨大的安全隱患！到目前，我國內(nèi)已經(jīng)發(fā)生過多起由于連接器過熱引起火災，給電站帶來巨大的經(jīng)濟損失。</span></span></p> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">而經(jīng)過排查，發(fā)生火災的根本原因就在于：通流情況下航空插頭連接器的電阻增大，導致溫升增加并超出塑料外殼及金屬件所能承受的溫度范圍從而引發(fā)火災。</span></span></p> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">因此，航空插頭連接器的失效并引發(fā)火災是由塑料外殼和金屬件共同作用的結(jié)果，以下的三項失效分析或許能幫助到大家對這方面是知識有所了解。</span></span></p> <p style="text-indent: 2em; line-height: 2.5em;"> <strong><span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">一、航空插頭電阻Rco的失效分析</span></span></strong></p> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">電阻Rco是航空插頭連接器對插后金屬件搭接部分的電阻，如果Rco不正常增大就會導致溫度升高，進而導致連接器中間部位引發(fā)火災。壓接電阻Rcr主要是與壓接質(zhì)量和壓接工藝有關，我們可以通過壓縮比及壓接剖面來判斷壓接質(zhì)量的好壞。</span></span></p> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">好的壓接要求剖面緊密不能留有空隙，同時外形規(guī)整。對于常用的4mm2電纜壓接，壓接處的接觸電阻，標準IEC2742/05也提出了小于0.2mΩ的要求，而IEC60352-2則規(guī)定壓接端的拉出力要大于310N。</span></span></p> <p style="text-indent: 2em; line-height: 2.5em;"> <strong><span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">二、航空插頭密封性能造成的失效分析</span></span></strong></p> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">光伏組件中的</span></span><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;"><a href="http://www.uf7o.cn/"><span style="color:#ff0000;">航空插頭</span></a></span></strong><span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">連接器由于處于戶外，因此對于密封性能有著嚴格的要求，例如有些連接器就達到了IP65和IP68的防護等級。由于連接器是與電纜匹配連接，因此當涉及到密封性時，電纜的選擇就變得非常重要。</span></span></p> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">一般來說不同的連接器型號會對應不同的電纜外徑，其目的就是保證密封性能。為了驗證電纜的匹配性，在連接器組裝好之后還要對其進行相關的測試，例如IP測試、濕絕緣測試及耐壓測試等等。而另外一種情況是連接器是很難保證其密封性，因此、在戶外應用時有可能會進水進塵，從而破壞絕緣性能，進而引發(fā)火災。</span></span></p> <p style="text-indent: 2em; line-height: 2.5em;"> <strong><span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">三、航空插頭絕緣材料造成的失效分析</span></span></strong></p> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">在生產(chǎn)制造時、絕緣材料的選擇直接決定了連接器的質(zhì)量，好的連接器需要選擇合適的絕緣材料，而是否合適主要是通過連接器使用要求來確定的。比如材料的耐候性能、耐熱性能、阻燃性能、機械性能、絕緣性能等，而光伏組件中的連接器絕緣材料選擇是這幾項性能綜合考慮的結(jié)果。</span></span></p> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">有一些生廠商為了降低產(chǎn)品材料成本而使用回料來生產(chǎn)制造，但卻會增加了產(chǎn)品在使用端的失效概率，所以選擇合適的材料才能降低產(chǎn)品在較高的溫升下的失火概率。</span></span></p> <p style="text-indent: 2em; line-height: 2.5em;"> <span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">相信大家一定對</span></span><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;"><a href="http://www.uf7o.cn/"><span style="color:#ff0000;">航空插頭</span></a></span></strong><span style="color:#000000;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">有了更深入的了解，上海科迎法電氣有限公司，專營航空插頭,防水連接器 ,傳感器連接器,電纜連接器,帶線插座,汽車線束,圓形接插件,防水插座,水位水溫傳感器等,當日發(fā)貨質(zhì)量有保證，歡迎致電咨詢合作。<strong>航空插頭廠家http://www.uf7o.cn/</strong></span></span></p> </div> <div id="ceneyfzzuscc" class="prodcont-cls" style="text-align:left; min-height:60px;">?</div> <div style="width:100%; height:50px; text-align:center; margin-top:50px;"> 上一篇：<a href='http://www.uf7o.cn/news2/860.html'>航空插頭連接器接插件-淺析保險電阻</a> 下一篇：<a href='http://www.uf7o.cn/news2/862.html'>你知道航空插頭連接器的殼體形式嗎</a> </div> </div> <div id="ceneyfzzuscc" class="tj"> <div id="ceneyfzzuscc" class="tj_wz"> <div id="ceneyfzzuscc" class="neiyeLeft-ctitle" style="margin-top:20px; text-align:left;"> <span id="ceneyfzzuscc" class="neiyeLeft-span"> 最新文章</span> </div> <div id="ceneyfzzuscc" class="ctext_l" 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