湖南led戶外投光燈具批發(fā) 歡迎來(lái)電上海先盛照明電器供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="在1999年開(kāi)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(jí)LED。這些LED都以特大的半導(dǎo)體芯片來(lái)處理高電能輸入的問(wèn)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(chǎng)上開(kāi)始有5瓦的LED的出現(xiàn)，而其效率大約是每瓦18至"><meta name="keywords" content="湖南led戶外投光燈具批發(fā),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 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id="ry8skrw" class="twoCol"><div id="lfxr7q2" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_zmgy/">照明工業(yè)</a>?<a href="http://www.cdcfah.com/cp/second-zmgy_snzmdjeh/">室內(nèi)照明燈具</a>?<a href="http://www.cdcfah.com/cp/third-snzmdjeh_tongdengwa/">筒燈</a>?湖南led戶外投光燈具批發(fā) 歡迎來(lái)電上海先盛照明電器供應(yīng)</p><div id="8zqnmn8" class="leftbox clearfix"><h1>湖南led戶外投光燈具批發(fā) 歡迎來(lái)電上海先盛照明電器供應(yīng)</h1><div id="bah8cgs" class="proBig"><div id="nx8s3ts" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781212353516/4466745.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rl7la7k" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781212353516/4466745.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="f8awist" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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led戶外投光燈具批發(fā),投光燈</p><p><span>***更新：</span>2021-01-24 06:06:47</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="gv7giug" 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(hào)</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="8wt87b7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="swgvhoq" class="box"><p><p style="text-indent:25px">在1999年開(kāi)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(jí)LED。這些LED都以特大的半導(dǎo)體芯片來(lái)處理高電能輸入的問(wèn)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(chǎng)上開(kāi)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(shí)市場(chǎng)上zui光的白光LED，湖南led戶外投光燈具批發(fā)。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，湖南led戶外投光燈具批發(fā)，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，湖南led戶外投光燈具批發(fā),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。一般應(yīng)選擇100度的LED以保證顯示屏足夠的視角。湖南led戶外投光燈具批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南led戶外投光燈具批發(fā),投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781212353516/4466745.png"></div><p style="text-indent:25px">若抗風(fēng)系數(shù)選定為27m/s（相當(dāng)于十級(jí)臺(tái)風(fēng)），根據(jù)非粘性流體力學(xué)，電池組件承受的風(fēng)壓只有365Pa。所以，組件本身是完全可以承受27m/s的風(fēng)速而不至于損壞的。所以，設(shè)計(jì)中關(guān)鍵要考慮的是電池組件支架與燈桿的連接。在本套路燈系統(tǒng)的設(shè)計(jì)中電池組件支架與燈桿的連接設(shè)計(jì)使用螺栓桿固定連接。(2)路燈燈桿的抗風(fēng)設(shè)計(jì)路燈的參數(shù)如下:電池板傾角A = 16d燈桿高度= 5n設(shè)計(jì)選取燈桿底部焊縫寬度à=4mm燈桿底部外徑= 168mn如圖3，焊縫所在面即燈桿破壞面。上海批發(fā)投光燈具失效率：由于全彩顯示屏由上萬(wàn)甚至幾十萬(wàn)組紅、綠、藍(lán)三種LED組成的像素點(diǎn)組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南led戶外投光燈具批發(fā),投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781448710938/2265050.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(huì)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(huì)侵入各種浪涌，有些浪涌會(huì)導(dǎo)致LED的損壞。因此LED驅(qū)動(dòng)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(guò)高。</p><p style="text-indent:25px">目前，太陽(yáng)能LED照明的初投資問(wèn)題仍然是困擾我們的一個(gè)主要問(wèn)題。但是，太陽(yáng)能電池光效在逐漸提高，而價(jià)格會(huì)逐漸降低，同樣地市場(chǎng)上LED光效在快速地提高，而價(jià)格卻在降低。與太陽(yáng)能的可再生、清潔無(wú)污染以及LED的環(huán)保節(jié)能相比，常規(guī)化石能源日趨緊張，并且使用后對(duì)環(huán)境會(huì)造成了日益嚴(yán)重的污染。所以，太陽(yáng)能LED照明作為一種方興未艾的戶外照明，展現(xiàn)給我們的將是無(wú)窮的生命力和廣闊的前景。戶用光伏電源產(chǎn)品的質(zhì)量直接關(guān)系到用戶的利益。一般來(lái)說(shuō)，顯示屏廠家要求器件供應(yīng)商提供5nm的波長(zhǎng)范圍及1:1.3的亮度范圍的LED，壓的一致性一般不做要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南led戶外投光燈具批發(fā),投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781175878906/6687908.png"></div><p style="text-indent:25px">性能特點(diǎn)要求:1.高可靠性特別像LED路燈的驅(qū)動(dòng)電源，裝在高空，維修不方便，維修的花費(fèi)也大。2．高效率LED是節(jié)能產(chǎn)品，驅(qū)動(dòng)電源的效率要高。對(duì)于電源安裝在燈具內(nèi)的結(jié)構(gòu)，尤為重要。因?yàn)長(zhǎng)ED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(duì)延緩LED的光衰有利。―3．高功率因素功率因素是電網(wǎng)對(duì)負(fù)載的要求。一般70瓦以下的用申器，沒(méi)有強(qiáng)制性指標(biāo)。在全國(guó)范圍內(nèi)，交通信號(hào)燈正在逐步更新?lián)Q代，而且推廣速度快，市場(chǎng)需求量很大，是個(gè)很好的市場(chǎng)機(jī)會(huì)。福建飛利浦led投光燈批發(fā)廠家</p><p style="text-indent:25px">首先我們可以先檢查一下，led 頂燈是否因供電電源部分的原因而沒(méi)有正常工作導(dǎo)致燈泡不亮。湖南led戶外投光燈具批發(fā)</p><p style="text-indent:25px">封裝企業(yè)如果不嚴(yán)格按接地規(guī)程辦事，吃虧的是企業(yè)自己，將造成產(chǎn)品合格率下降，減少企業(yè)的經(jīng)濟(jì)效益，同樣應(yīng)用LED的企業(yè)如果設(shè)備和人員接地不良的話也會(huì)造成LED的損壞，返工在所難免。按照LED標(biāo)準(zhǔn)使用手冊(cè)的要求，LED的引線距膠體應(yīng)不少于3-5毫米，進(jìn)行彎腳或焊接，但大多數(shù)應(yīng)用企業(yè)都沒(méi)有做到這一點(diǎn)，而只是相隔一塊PCB板的厚度（≤2毫米）就直接焊接了，這也會(huì)對(duì)LED造成損害或損壞，因?yàn)檫^(guò)高的焊接溫度會(huì)對(duì)芯片產(chǎn)生影響，會(huì)使芯片特性變壞，降低發(fā)光效率，甚至損壞LED湖南led戶外投光燈具批發(fā)</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2985242.html</p></div></div></div></div></div><div id="sc8dkwi" class="page-right twoColRt"><div id="z3elnpm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3kmtvxt" 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" 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