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src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637327891330664063/1413453.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vfu4lln" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637327891330664063/1413453.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kurwspw" 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>大功率三防燈具,三防燈</p><p><span>***更新：</span>2021-01-23 06:07:16</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="akhbdkm" 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="pewtvxe" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zjgd8t2" class="box"><p><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(cè)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，大功率三防燈具，大功率三防燈具，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(duì)流的情況下，每1W需要100cm2的外殼散熱，大功率三防燈具.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。臨沂價(jià)格相差**規(guī)格產(chǎn)品多用于辦公山東臨沂燈具城的LED面板燈魚龍混雜，價(jià)格相差很**功率三防燈具</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大功率三防燈具,三防燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637327891330664063/1413453.png"></div><p style="text-indent:25px">一般的LED支架是經(jīng)過金屬?zèng)_壓再注塑所形成。LED作為發(fā)光二極管，需要對(duì)金屬內(nèi)表面進(jìn)行電鍍處理，銀作為良好的光反射材料，所以一般LED為電鍍銀表面處理。各種不同功率的LED采用的支架材料也不相同，小功率一般采用PPA、**率一般采用PCT、目前有一些大功率采用EMC材料制作。所有的塑膠材料都有吸水性，所以在LED燈珠生產(chǎn)過程中對(duì)支架需要進(jìn)行烘烤的除濕處理。電鍍層的處理是支架的關(guān)鍵點(diǎn)，鍍層厚度和質(zhì)量關(guān)系著后面的光通量、焊接性能。大功率三防燈具作為L(zhǎng)ED面板燈廠家，利用現(xiàn)有市場(chǎng)渠道和品牌優(yōu)勢(shì)充分LED面板燈。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大功率三防燈具,三防燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637327891678251953/6378608.png"></div><p style="text-indent:25px">LED日光燈較傳統(tǒng)照明日光燈的優(yōu)缺點(diǎn)：近年來，隨著節(jié)能環(huán)保越來越受到重視，加上近幾年來，用電量的大幅度增加，其次加，上LED技術(shù)的日漸成熟，LED節(jié)能燈，越來越受到人們青睞，相信在不久的將來就會(huì)取代傳統(tǒng)的日光燈。那么究竟LED日光燈相對(duì)傳統(tǒng)日光有那些優(yōu)化點(diǎn)呢?1、LED日光燈，節(jié)能環(huán)保傳統(tǒng)的日光燈中含有大量的**蒸汽，如果破碎**蒸汽則會(huì)揮發(fā)到大氣中。但LED日光燈則根本不使用**，且LED產(chǎn)品也揮發(fā)到大氣中。但LED日光燈則根本不使用**，且LED產(chǎn)品也綠色照明。</p><p style="text-indent:25px">LED日光燈相對(duì)傳統(tǒng)日光有那些優(yōu)化點(diǎn)呢?8、堅(jiān)固牢靠，長(zhǎng)久使用.LED燈體本身使用的是環(huán)氧樹脂而并非傳統(tǒng)的玻璃，更堅(jiān)固牢靠，即使砸在地板.上LED也不會(huì)輕易損壞，可以放心地使用。9.與普通的熒光燈相比，LED日光燈無需鎮(zhèn)流器，無需啟輝器，無頻閃。10免維護(hù)，頻繁開關(guān)不會(huì)導(dǎo)致任何損壞。11.安全且有穩(wěn)定的質(zhì)量可以經(jīng)受4kv高電壓散熱量低可以工作在低溫-30°C高溫55°C。12.對(duì)周圍環(huán)境不會(huì)有影響。沒有紫外線和紅外線，沒有有害材料，如汞，保護(hù)眼睛，也沒有噪聲。13.抗振動(dòng)性好，便于運(yùn)輸。經(jīng)過幾年對(duì)市場(chǎng)的調(diào)研和觀察，楊遇維認(rèn)為，現(xiàn)在的樓層高度決定了光線柔和度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大功率三防燈具,三防燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637327890587851563/437018.png"></div><p style="text-indent:25px">中應(yīng)輕拿輕放;拆開包裝時(shí)應(yīng)用刀片劃開粘膠帶。5、膠層和PPA支架剝離、LED變色(鍍銀層變黃發(fā)黑)1)PPA與支架剝離的原因是，PPA中所添加的二氧化鈦因芯片所發(fā)出的藍(lán)光造成其引起的光觸媒作用、PPA 本身慢慢老化所造成的，硅膠本身沒老化的情況下，由于PPA老化也會(huì)導(dǎo)致剝離現(xiàn)象的發(fā)生，光觸媒作用會(huì)衍生出“分解力”與“親水性”的活動(dòng)，此分解力具有分解有機(jī)物的能力。二氧化鈦吸收太陽(yáng)光或照明光中的紫外線后，與空氣中的氧氣、水各產(chǎn)生反應(yīng)，二氧化鈦表面會(huì)產(chǎn)生超氧陰離子。LED面板燈發(fā)展到目前為止，產(chǎn)品在性價(jià)比上具有給力的優(yōu)勢(shì)。山西三防燈批發(fā)</p><p style="text-indent:25px">LED面板燈應(yīng)用在其它(還可用在其它地方，如火車車箱或者大型移動(dòng)車內(nèi)、柜臺(tái)等)。大功率三防燈具</p><p style="text-indent:25px">LED日光燈相對(duì)傳統(tǒng)日光有那些優(yōu)化點(diǎn)呢?8、堅(jiān)固牢靠，長(zhǎng)久使用. LED燈體本身使用的是環(huán)氧樹脂而并非傳統(tǒng)的玻璃，更堅(jiān)固牢靠，即使砸在地板.上LED也不會(huì)輕易損壞，可以放心地使用。9.與普通的熒光燈相比，LED日光燈無需鎮(zhèn)流器，無需啟輝器，無頻閃。10免維護(hù)，頻繁開關(guān)不會(huì)導(dǎo)致任何損壞。11.安全且有穩(wěn)定的質(zhì)量可以經(jīng)受4kv高電壓散熱量低可以工作在低溫-30°C高溫55°C。12.對(duì)周圍環(huán)境不會(huì)有影響。沒有紫外線和紅外線，沒有有害材料，如汞，保護(hù)眼睛，也沒有噪聲。13.抗振動(dòng)性好，便于運(yùn)輸。此外，當(dāng)前全世界提倡節(jié)能減排，LED日光燈作為一種新型的節(jié)能、環(huán)保的綠色光源產(chǎn)品，必定在未來會(huì)全然取代傳統(tǒng)燈具。大功率三防燈具</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2971637.html</p></div></div></div></div></div><div id="cwtva8j" class="page-right twoColRt"><div id="b3lnp2m" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wgda7w4" 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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