陜西防水投光燈歡迎來電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="理論上可以做到在目標(biāo)區(qū)域內(nèi)完全均勻，這也能避免傳統(tǒng)光源“燈下亮"現(xiàn)象中的光浪費;―第三，色溫可選，這樣在不同場合的應(yīng)用中，也是提高效率、降低成本的一個重要途徑;―第四，技術(shù)進(jìn)步空間依然很大。二、劣勢(影響路燈推廣應(yīng)用的因素)有:―當(dāng)前價格還"><meta name="keywords" content="陜西防水投光燈,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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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>陜西防水投光燈,投光燈</p><p><span>最后更新：</span>2020-09-14 06:06:08</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="ujqsmxe" 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(jī): </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="ga2ax8u" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="fzanrce" class="box"><p><p style="text-indent:25px">理論上可以做到在目標(biāo)區(qū)域內(nèi)完全均勻，這也能避免傳統(tǒng)光源“燈下亮"現(xiàn)象中的光浪費;―第三，色溫可選，這樣在不同場合的應(yīng)用中，也是提高效率、降低成本的一個重要途徑;―第四，技術(shù)進(jìn)步空間依然很大。二、劣勢(影響路燈推廣應(yīng)用的因素)有:―當(dāng)前價格還太高，陜西防水投光燈，陜西防水投光燈，光通量低，當(dāng)前同等照度設(shè)計的LED光源價格大約相當(dāng)于傳統(tǒng)光源的4倍(不過在路燈產(chǎn)品中，光源部分占總成本并不高，所以在工程安裝中的成本提高比例也不會太高，應(yīng)用的空間還是比較大的)，陜西防水投光燈，在民用中難以承受。<span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"></span></span></span></span>飛利浦明欣LED三防燈WT035C不銹鋼安裝支架，飛線設(shè)計，2萬小時L70光衰。陜西防水投光燈</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西防水投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781652041016/5513893.png"></div><p style="text-indent:25px">多路恒流輸出供電方式，在成本和性能方面會較好。也許是以后的主流方向。5.浪涌保護(hù)LED抗浪涌的能力是比較差的，特別是抗反向電壓能力。加強(qiáng)這方面的保護(hù)也很重要。有些LED燈裝在戶外，如LED路燈。由于電網(wǎng)負(fù)載的啟甩和雷擊的感應(yīng)，從電網(wǎng)系統(tǒng)會侵入各種浪涌，有些浪涌會導(dǎo)致LED的損壞。因此LED驅(qū)動電源要有抑制浪涌的侵入，保護(hù)LED不被損壞的能力。6. 保護(hù)功能電源除了常規(guī)的保護(hù)功能外，zui好在恒流輸出中增加LED溫度負(fù)反饋，防止LED溫度過高。天津led戶外投光燈led汽車工業(yè)應(yīng)用汽車用燈包含汽車內(nèi)部的儀表板、開關(guān)的背光源、閱讀燈和外部的剎車燈、尾燈、側(cè)燈以及頭燈等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西防水投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781569589844/2953538.png"></div><p style="text-indent:25px">在1999年開始引入了可以在1瓦電力輸入下連續(xù)使用的商業(yè)品級LED。這些LED都以特大的半導(dǎo)體芯片來處理高電能輸入的問題，而那半導(dǎo)體芯片都是固定在金屬鐵片上，以助散熱。在2002年，在市場上開始有5瓦的LED的出現(xiàn)，而其效率大約是每瓦18至22流明。2003年九月，Cree,Inc. 公司展示了其新款的藍(lán)光LED，在20毫安下達(dá)到35%的照明效率。他們亦制造了一款達(dá)65流明每瓦的白光LED商品，這是當(dāng)時市場上zui光的白光LED。在2005年他們展示了一款白光LED原型,在350毫安工作環(huán)境下，創(chuàng)下了每瓦70流明的記錄性效率。今<span style="display:none;"></span>白光LED原型,在350毫安工作環(huán)境下，創(chuàng)下了每瓦70流明的記錄性效率。</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(kuò)散區(qū)內(nèi)發(fā)光的，所以光僅在靠近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。飛利浦LED筒燈DN020規(guī)格多樣化，用于各種室內(nèi)場合。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西防水投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781806748047/1466494.png"></div><p style="text-indent:25px">LED日光燈優(yōu)缺點點評 zui近以來，led日光燈成為zui早進(jìn)入室內(nèi)的LED燈具之一，因為它相對于熒光燈來說具有很多優(yōu)點。一．優(yōu)點相對于熒光燈來說，led日光燈具有10大優(yōu)點:1.發(fā)光效率高:熒光燈的發(fā)光效率大約是55-80 lm/W (Philips公司T8熒光燈的發(fā)光效率為72lm/W)，而LED的發(fā)光效率在100 lm/W以上，zui近Cree公司的XLampXP-G的發(fā)光效率已經(jīng)到130流明/W，而且以后還會不斷提升。二者之差現(xiàn)在已經(jīng)將近一倍。而以后有可能達(dá)到3倍以上。2.燈具效率高:燈具的效率主要是指有效光效，因為熒光燈是360飛利浦明欣LED投光燈G2 BVP150 壓鑄鋁外殼，防水防塵防沖擊，使用在寬范圍溫度變化的環(huán)境，基本浪涌保護(hù)。北京白光投光燈廠家</p><p style="text-indent:25px">美國HP公司在1996年三種顏色的LED燈推出的LED汽車尾燈模組可以隨意組合成各種汽車尾燈。陜西防水投光燈</p><p style="text-indent:25px"><span style="display:none;"></span>雖然功率不大的單個用電器功率因素低一點對電網(wǎng)的影響不大，但晚上大家點燈，同類負(fù)載太集中，會對電網(wǎng)產(chǎn)生較嚴(yán)重的污染。對于30瓦~40瓦的LED驅(qū)動電源，據(jù)說不久的將來，也許會對功率因素方面有一定的指標(biāo)要求。4. 驅(qū)動方式現(xiàn)在通行的有兩種:其一是一個恒壓源供多個恒流源，每個恒流源單獨給每路LED供電。這種方式，組合靈活，一路LED故障，不影響其他LED的工作，但成本會略高-一點。另一種是直接恒流供電，LED串聯(lián)或并聯(lián)運(yùn)行。它的優(yōu)點是成本低一點，但靈活性差，還要解決某個LED故障，不影響其他LED運(yùn)行的問題。這兩種形式，在-段時間內(nèi)并存。<span style="display:none;"><span style="display:none;"></span></span>陜西防水投光燈</p><p style="text-indent:25px">上海先盛照明電器有限公司是一家照明電器、五金交電、勞防用品、機(jī)電設(shè)備批發(fā)零售；照明電器設(shè)計、安裝。的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。上海先盛照明擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊，以高度的專注和執(zhí)著為客戶提供投光燈，三防燈，筒射燈，燈管。上海先盛照明始終以本分踏實的精神和必勝的信念，影響并帶動團(tuán)隊取得成功。上海先盛照明創(chuàng)始人顧勇軍，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1274451.html</p></div></div></div></div></div><div id="0hlynel" class="page-right twoColRt"><div id="6p8cz8w" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="5p974gi" 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(qiáng) 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(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="52q3sri" class="recomPic 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