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clearfix"><h1>湖南戶外投光燈廠家歡迎咨詢上海先盛照明電器供應(yīng)</h1><div id="pztfcbf" class="proBig"><div id="gdvcokm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781968994141/3260429.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qa2cz23" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781968994141/3260429.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="srj2lsu" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖南戶外投光燈廠家,投光燈</p><p><span>***更新：</span>2020-09-27 12:05:37</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="lfcugik" 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="hr3n3fr" class="page-proshow02"><p class="title">詳細說明</p><div id="kzwtace" class="box"><p><p style="text-indent:25px">現(xiàn)在設(shè)計占燈具成本的20%左右，有些高。隨著技術(shù)發(fā)展電源大概在5-10%zui為合理。 LED成本高，其實是相對目前其他光源來說，作為20世紀90年代才發(fā)明藍光LED,從而導(dǎo)致LED白光得以實現(xiàn)的LED行業(yè)而言，其實現(xiàn)在的成本并不高。尤其是LED環(huán)保，湖南戶外投光燈廠家，湖南戶外投光燈廠家、節(jié)能、不含汞，而且每季度LED燈具的價格都在往下滑，湖南戶外投光燈廠家，相信一定可以在較短的時間內(nèi)達到人們能夠接受的水平。編輯本段LED驅(qū)動電源九大性能特點要求根據(jù)電網(wǎng)的用電規(guī)則和LED驅(qū)動電源的特性要求，在選擇和設(shè)計LED驅(qū)動電源時要考慮到以下九大<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>1987 年，我國開始在汽車.上安裝高位剎車燈。湖南戶外投光燈廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南戶外投光燈廠家,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781968994141/3260429.png"></div><p style="text-indent:25px">我們經(jīng)常會碰到LED不亮的情況，封裝企業(yè)、應(yīng)用企業(yè)以及使用的單位和個人，都有可能碰到，這就是行業(yè)內(nèi)的人說的死燈現(xiàn)象。究其原因不外是兩種情況:其一，LED的漏電流過大造成PN結(jié)失效，使LED燈點不亮，這種情況一般不會影響其它的LED燈的工作。其二，LED燈的內(nèi)部連接引線斷開，造成LED無電流通過而產(chǎn)生死燈，這種情況會影響其它的LED燈的正常工作，原因是由于LED燈工作電壓低(紅黃橙﹐LED工作電壓1.8V-2.2V,藍綠白LED工作電壓2.8-3.2V）。江西專業(yè)投光燈批發(fā)廠家視角的選擇需要根據(jù)具體的用途來決定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南戶外投光燈廠家,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781071572266/5060107.png"></div><p style="text-indent:25px">流明，而LED的發(fā)光效率已經(jīng)超過130lm/W，假定為100lm/W，那么18W就可以達到1800流明，也就是只要熒光燈一半的功率就可以有相同的亮度。而且LED的發(fā)光效率還在逐年升高。3.電源效率高因為所有燈具除白熾燈以外都是需要有專門的電源供電的，電源的效率也就影響了整個燈具的效率。下面以Philips公司的36WT8熒光燈為例。它的額定輸出功率為36W，但是由于接入了電感鎮(zhèn)流器，實測輸入功率為42. 4W，也就是鐵芯電感損耗了6.4W,效率降低為85%，大多數(shù)國產(chǎn)的鐵芯電感功耗在10W以上功率因素低于0.512。而LED的電源效率通常高達90%，--個18W的LED日光燈只要20W的輸入功率。功率因素也可以達到0.9以上。</p><p style="text-indent:25px">度發(fā)光的，而在反方向發(fā)出的光就沒有什么用處。所以熒光燈通常采用一個白色的燈罩，可以把相當一部分的反向光反射回來，一般來說，熒光燈的燈具效率大約只有70%。而LED日光燈則是120度發(fā)光的，所以全部光都是有效光。雖然有時候也會覺得120度發(fā)光角度窄了一點，不過大多數(shù)情況下還是夠用的。而且這個發(fā)光角度也是可以根據(jù)需要來加以調(diào)整的。前面提到Philips的T8熒光燈的發(fā)光效率為721m/W，36W的熒光燈一共發(fā)出2592流明，但是燈具效率只有70%，所以有效的流明數(shù)為1814.4汽車用白熾燈不耐震動撞擊、易損壞、壽命短，需要經(jīng)常更換。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南戶外投光燈廠家,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269782155068360/7868258.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*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。在汽車儀表板及其他各種照明部分的光源，都可用超高亮度發(fā)光燈來擔當，所以均在逐步采用LED顯示。四川飛利浦投光燈具批發(fā)</p><p style="text-indent:25px">壽命：LED器件的理論壽命為10萬小時，遠大于LED顯示屏其它部件的工作壽命。湖南戶外投光燈廠家</p><p style="text-indent:25px">除了這種發(fā)光復(fù)合外，還有些電子被非發(fā)光中心(這個中心介于導(dǎo)帶、介帶中間附近)捕獲，而后再與空穴復(fù)合，每次釋放的能量不大，不能形成可見光。發(fā)光的復(fù)合量相對于非發(fā)光復(fù)合量的比例越大，光量子效率越高。由于復(fù)合是在少子擴散區(qū)內(nèi)發(fā)光的，所以光*在靠近PN結(jié)面數(shù)μm以內(nèi)產(chǎn)生。理論和實踐證明，光的峰值波長λ與發(fā)光區(qū)域的半導(dǎo)體材料禁帶寬度Eg有關(guān)，即入≈1240/Eg (mm)式中 Eg的單位為電子伏特(eV)。若能產(chǎn)生可見光(波長在380nm紫光~ 780nm紅光)，半導(dǎo)體材料的Eg應(yīng)在3.26~ 1.63eV之間。湖南戶外投光燈廠家</p><p style="text-indent:25px">上海先盛照明電器有限公司位于陶干路1199號。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下投光燈，三防燈，筒射燈，燈管深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在照明工業(yè)深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造照明工業(yè)良好品牌。上海先盛照明秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1444624.html</p></div></div></div></div></div><div id="r3vtqac" class="page-right twoColRt"><div id="uyd8ik8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="tp87ewq" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="ce22tq3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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