河南戶外三防燈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="LED日光燈相對傳統(tǒng)日光有那些優(yōu)化點(diǎn)呢?2、高效轉(zhuǎn)換，減少發(fā)熱傳統(tǒng)燈具會產(chǎn)生大量的熱能，而LED燈具則是把電能全都轉(zhuǎn)換為光能，不會造成能源的浪費(fèi)。而且對文件，衣物也不會產(chǎn)生退色現(xiàn)象。3、清靜舒適，沒有噪音LED燈具不會產(chǎn)生噪音，對于使用精密"><meta name="keywords" content="河南戶外三防燈,三防燈"><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="proBig"><div id="7spw2ln" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637327890587851563/437018.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="g3eq9u7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637327890587851563/437018.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="o9qcrx8" 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>河南戶外三防燈,三防燈</p><p><span>***更新：</span>2020-10-16 01:05:23</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="r9tfozg" 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="wnkbnzg" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lh7la8y" class="box"><p><p style="text-indent:25px">LED日光燈相對傳統(tǒng)日光有那些優(yōu)化點(diǎn)呢?2、高效轉(zhuǎn)換，減少發(fā)熱傳統(tǒng)燈具會產(chǎn)生大量的熱能，而LED燈具則是把電能全都轉(zhuǎn)換為光能，不會造成能源的浪費(fèi)。而且對文件，衣物也不會產(chǎn)生退色現(xiàn)象。3、清靜舒適，沒有噪音LED燈具不會產(chǎn)生噪音，對于使用精密電子儀器的場合為上佳之<span style="display:none;"></span><span style="display:none;"></span>選。適合于圖書館，辦公室之類的場合。4、光線柔和，保護(hù)眼睛傳統(tǒng)的日光燈使用的是交流電，所以每秒鐘會產(chǎn)生100-120次的頻閃，河南戶外三防燈。LED 燈具是把交流電直接轉(zhuǎn)換為直流電，河南戶外三防燈，不會產(chǎn)生閃爍現(xiàn)象，河南戶外三防燈，保護(hù)眼睛。特別是小規(guī)格的LED面板燈，價(jià)格從30多元到100多元都有，600X 600規(guī)格的面板燈從100多元到600多元的也都有。河南戶外三防燈</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南戶外三防燈,三防燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637327890587851563/437018.png"></div><p style="text-indent:25px">徒手接觸支架，汗液會附著于支架表，后續(xù)存放或烘烤中將加速支架鍍層變色氧化及支架基體生銹氧化，若徒手接觸支架功能區(qū)，其焊線效果極差;b、作業(yè)環(huán)境應(yīng)保持恒定，控制于25"C左右，相對濕度65%以下，防止支架氧化生銹;c、在晝夜溫差極大時(shí)，應(yīng)盡量減少作業(yè)環(huán)境中的空氣流動，長時(shí)間不作業(yè)的支架應(yīng)采用不含硫框、箱子以密封保護(hù);d、LED支架在烤箱內(nèi)，在維持烤箱正常運(yùn)行下，其排氣口盡量保持通暢;e、在低溫季節(jié)，要盡量減少裸支架在流程中的存放時(shí)間，因?yàn)榄h(huán)境溫度較低時(shí)，大氣氣壓同時(shí)偏低，空氣污染指數(shù)較高福建三防燈信譽(yù)保證2013 年一度銷量增，大有代替格柵燈、筒燈之勢，但是現(xiàn)在從市場的反映來看，這個(gè)趨勢并沒有得到延續(xù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南戶外三防燈,三防燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637327890909208984/4160482.png"></div><p style="text-indent:25px">通常把亮度(光通量)降到一半的時(shí)間稱為半衰期，行業(yè)內(nèi)將LED的使用壽命定義為它的半衰期。LED的半衰期同P-N結(jié)(Tj點(diǎn))結(jié)點(diǎn)的溫度有如下函數(shù)關(guān)系。通常講的LED的使用壽命十萬小時(shí)是指P-N結(jié)溫在25°C時(shí)的半衰期。目前市面上絕大部分LED的使用結(jié)溫(Tj)都在95°C以上。也就是說它的使用壽命只有780小時(shí)左右。3、散熱經(jīng)實(shí)際測試及經(jīng)濟(jì)性等全方面的衡量，建議LED的結(jié)溫應(yīng)控制在55°C以下，假設(shè)天氣溫度為35°C要達(dá)到結(jié)溫55°C以下，則在自然對流的情況下，每1W需要100cm2的外殼散熱.面積，且芯片與散熱板間熱阻每瓦Re< 10k/w。4、用鋼支架取代銅支架的不利影響現(xiàn)在市面.上99%的LED為節(jié)省制造成本使用了鋼支架，采用鋼支架LED的壽命只有使用銅支架壽命約1/4，因此建議一定要采用銅支架，采用銅支架的“食人魚”顆粒就是很好例子。LED的結(jié)構(gòu)，LED 結(jié)點(diǎn)的熱量主要依靠陰極腳導(dǎo)出、陰極腳的尺寸。通過以下的計(jì)算可以看出采用銅及鋼支架的不同。</p><p style="text-indent:25px">LED支架作為燈珠的基材是LED燈珠的重要物料，是LED芯片承載物，支架擔(dān)負(fù)著散熱和導(dǎo)電的作用，燈珠的熱阻、初期不良率。有很多SMD斷線的原因是LED支架的設(shè)計(jì)缺陷和品質(zhì)缺陷造成。根據(jù)不同的應(yīng)用場合有不同的燈珠類型，其實(shí)就是不同的LED支架類型所造成的不同LED類型。具體分類有:直插式支架、貼片式支架、大功率支架、平板式支架和cob支架。LED的支架由于需要導(dǎo)電和導(dǎo)熱，所以會用到金屬作為基材。同時(shí),部分區(qū)域需要做絕緣處理,這就需要用工程塑料。故<span style="display:none;"></span>據(jù)LED照明產(chǎn)品全球市場的生產(chǎn)與**統(tǒng)計(jì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南戶外三防燈,三防燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637327890801152344/1520550.png"></div><p style="text-indent:25px">阻燃PC材料在電子電器領(lǐng)域的應(yīng)用 PC是聚碳酸酯的英文縮寫，是一種無色透明的熱塑性材料。阻燃PC的阻燃原理就是催化PC 在燃燒時(shí)成炭，從而達(dá)成阻燃的目的。阻燃PC材料在電子電器領(lǐng)域廣泛應(yīng)用。阻燃PC材料的主要特點(diǎn) 1、阻燃性能:符合行業(yè)UL94 v0/1.5mm; 通過美國UL認(rèn)證;2、落球沖擊: 1. 3m/500g鋼球自由落體裝撞擊;3、超聲焊接:焊接可通過自由跌落測試;4、環(huán)保性能:可達(dá)到ROHS、無鹵、Reach 等行業(yè)法規(guī);5、高耐熱性能:熱變形溫度(1. 82MPa/3.20mm)達(dá)到127C。<span style="display:none;"><span style="display:none;"></span></span><span style="display:none;"><span style="display:none;"><span style="display:none;"></span></span></span><span style="display:none;"></span>飛利浦LED燈帶LS155 G2低壓燈帶可根據(jù)不同流明輸出選擇不同的剪接長度。陜西三防燈鎮(zhèn)流器</p><p style="text-indent:25px">大量外商都在求購品質(zhì)好、服務(wù)好、價(jià)格好的面板燈產(chǎn)品和供應(yīng)商。河南戶外三防燈</p><p style="text-indent:25px">但是LED日光燈和普通日光燈比較LED日光燈具備缺點(diǎn)如下:價(jià)格貴，目前能普遍做到的光效率和理論光效率還有很大差距，目前能做到的實(shí)際使用壽命和理論壽命還有很大差距，而且還有定的發(fā)熱量，光衰還可以大幅度縮小。但是相對來說LED日光燈更比傳統(tǒng)日光燈有無可比擬的優(yōu)點(diǎn)，它不僅具有高效節(jié)能，“長壽燈”之稱，而且適用性好，體積小，適合裝飾。低碳環(huán)保，無有害素質(zhì)，廢棄后可以回收，色彩絢麗，發(fā)光色彩**，光譜范圍窄，并利用紅、綠、藍(lán)RGB三基色原理，在計(jì)算機(jī)技術(shù)控制之下，可以任意混合搭配出不同的顏色，光色變化多端。河南戶外三防燈</p><p style="text-indent:25px">上海先盛照明電器有限公司致力于照明工業(yè)，是一家貿(mào)易型公司。公司業(yè)務(wù)分為投光燈，三防燈，筒射燈，燈管等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。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(diǎn)，發(fā)揮人才優(yōu)勢，打造照明工業(yè)良好品牌。上海先盛照明立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1569144.html</p></div></div></div></div></div><div id="b9t3rwi" class="page-right twoColRt"><div id="v4yipgs" class="box01 margin10 clearfix"><h3><a 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