河南白光投光燈鎮(zhèn)流器歡迎咨詢上海先盛照明電器供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="2，河南白光投光燈鎮(zhèn)流器.LED應(yīng)用產(chǎn)品散熱難結(jié)構(gòu)設(shè)計在燈具中大概占20%，河南白光投光燈鎮(zhèn)流器,一直以來中困勤勞人民都會定價很低，20%成本認為很合理，zui大的問題是怎樣更有創(chuàng)新，設(shè)計更合理。―散熱成本要維持在5%,實際散熱"><meta name="keywords" content="河南白光投光燈鎮(zhèn)流器,投光燈"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>河南白光投光燈鎮(zhèn)流器,投光燈</p><p><span>***更新：</span>2021-01-31 11:11:14</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dimn8il" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海先盛照明電器有限公司</a></p><p><span>聯(lián)系人：</span>顧勇軍</p><p><span>郵箱: </span>522366548@qq.com</p><p><span>電話: </span>13301861712</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-54169416</p><p><span>地址: </span>陶干路1199號</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="nk3wlbx" class="page-proshow02"><p class="title">詳細說明</p><div id="z3gxs8u" class="box"><p><p style="text-indent:25px">2，河南白光投光燈鎮(zhèn)流器.LED應(yīng)用產(chǎn)品散熱難結(jié)構(gòu)設(shè)計在燈具中大概占20%，河南白光投光燈鎮(zhèn)流器,一直以來中困勤勞人民都會定價很低，20%成本認為很合理，zui大的問題是怎樣更有創(chuàng)新，設(shè)計更合理。―散熱成本要維持在5%,實際散熱設(shè)計很簡單，把住兩個方向:一是，LED芯片與外散熱器件路徑越短越好，越短你的散熱設(shè)計就越好;二是，散熱阻力，河南白光投光燈鎮(zhèn)流器，就是要有足夠的散熱傳到路徑同時也要有足夠的'散熱道路'.這部分成本主要在結(jié)構(gòu)，用于散熱成本并不多。3.LED應(yīng)用電源管理電源是LED燈具zui薄弱的環(huán)節(jié)，嚴重滯后LED燈具發(fā)展，品質(zhì)有待提高。需要在封裝透鏡設(shè)計、原物料選擇上嚴格進行科學(xué)設(shè)計，這取決于封裝供應(yīng)商的技術(shù)水平。河南白光投光燈鎮(zhèn)流器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南白光投光燈鎮(zhèn)流器,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781175878906/6687908.png"></div><p style="text-indent:25px">一般金的導(dǎo)電率比較好，銀次之。在焊接工藝時，由于焊接實際上是形成合金的過程，這個合金本身就是良導(dǎo)體，所以焊接本身的可靠性是比較高的，除非是焊接不良。但是，連接器之間的連接，靠的是表面之間的接觸，所以容易導(dǎo)致接觸不良，更具體的原因分析如下。兩個金屬表面之間的接觸是否良好，主要取決于材料（不同金屬導(dǎo)電率不同)、接觸壓力、實際接觸面結(jié)。關(guān)于材料種類，上面已經(jīng)提到了，一般器件的鍍層材料，基本上都是由良導(dǎo)體做的，對接觸不良的影響不大。安徽大功率投光燈報價如存在不正確操作引起燈泡不亮，則重新焊接led 頂燈一般就可以解決。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南白光投光燈鎮(zhèn)流器,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781919140625/8831194.png"></div><p style="text-indent:25px">通過施加一個PWM信號來控制LED亮度的做法允許不改變彩色的情況下完成LED的調(diào)光。人們常說的真正彩色(TrueColor)PWM調(diào)光是利用-一個PWM信號來調(diào)節(jié)LED的亮度。調(diào)節(jié)LED亮度有三種常用方法:(1)使用SET電阻，在LED驅(qū)動控制IC引腳RSET兩端并聯(lián)不同的轉(zhuǎn)換電阻，使用一個直流電壓設(shè)置LED驅(qū)動控制IC引腳RSET的電流，從而改變LED的正向工作電流，達到調(diào)節(jié)ALED(2)采用PWM技術(shù)，利用PWM控制信號，通過控制LED的正向工作電流的.占空比來調(diào)節(jié)AL .ED的發(fā)光亮度。<span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"></span></span></span></span></span></span></span></span></span></p><p style="text-indent:25px">性能特點要求:1.高可靠性特別像LED路燈的驅(qū)動電源，裝在高空，維修不方便，維修的花費也大。2．高效率LED是節(jié)能產(chǎn)品，驅(qū)動電源的效率要高。對于電源安裝在燈具內(nèi)的結(jié)構(gòu)，尤為重要。因為LED的發(fā)光效率隨著LED溫度的升高而下降，所以LED的散熱非常重要。電源的效率高，它的耗損功率小，在燈具內(nèi)發(fā)熱量就小，也就降低了燈具的溫升。對延緩LED的光衰有利。―3．高功率因素功率因素是電網(wǎng)對負載的要求。一般70瓦以下的用申器，沒有強制性指標。關(guān)于led 燈不亮原因?led燈不亮了怎么維修的相關(guān)問題，對于這方面的問題我們應(yīng)該有了一些了解吧。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南白光投光燈鎮(zhèn)流器,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781495341797/4514745.png"></div><p style="text-indent:25px">和熒光燈相比大約可以節(jié)省一半以上的電，也就是說采用一個18瓦的LED日光燈可以取代一個36瓦的熒光燈。不僅如此，LED日光燈還有很多其他優(yōu)點:4.壽命長:一個仔細設(shè)計的LED日光燈的壽命可以達到5萬小時。而一個熒光燈的壽命通常只有5, 000小時(有些國產(chǎn)的熒光燈壽命只有300小時)。二者相差將近10倍。比較好的長壽命日光燈也只有10,000小時，二者也還相差5倍。5.不含汞，無污染。我們知道，熒光燈都含有汞。36mm熒光燈中含有25-45mg的汞，26mm (T8) 中含有20mg的汞。LED器件將是顯示屏整機中比較耐用的部件之一。江蘇飛利浦投光燈具</p><p style="text-indent:25px">顯示屏、交通訊號、廣告業(yè)多媒體、城市亮化顯示光源的應(yīng)用LED燈具有抗震耐沖擊、光響應(yīng)速度快省電壽命長。河南白光投光燈鎮(zhèn)流器</p><p style="text-indent:25px">這種現(xiàn)象屢見不鮮。有些小企業(yè)采用手工焊接，使用40瓦普通烙鐵，焊接溫度無法控制，烙鐵溫度在300-400°℃以上，過高的焊接溫度也會造成死燈，LED引線在高溫下膨脹系數(shù)比在150℃左右的膨脹系數(shù)高好幾倍，內(nèi)部的金絲焊點會因為過大的熱脹冷縮將焊接點拉開，造成死燈現(xiàn)象。2、LED燈內(nèi)部連線焊點開路造成死燈現(xiàn)象的原因分析2.1封裝企業(yè)生產(chǎn)工藝不建全，來料檢驗手段落后，是造成LED死燈的直接原因，一般采用支架排封裝的LED,支架排是采用銅或鐵金屬材料經(jīng)精密模具沖壓而成河南白光投光燈鎮(zhèn)流器</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3096272.html</p></div></div></div></div></div><div id="nabrsss" class="page-right twoColRt"><div id="piozaga" class="box01 margin10 clearfix"><h3><a 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