重慶批發(fā)投光燈歡迎咨詢(xún) 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(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="隔離/非隔離:一般隔離電源如做成15W，放在LED燈管內(nèi)，其變壓器體積很大，很難放進(jìn)去。尤其對(duì)T6/T8燈管，幾乎不可能的，所以隔離的一般只能做到10W,超過(guò)10W的很少，并且價(jià)格很貴。所以，隔離的性?xún)r(jià)比不高，一般是非隔離的占主流較多，體積"><meta name="keywords" content="重慶批發(fā)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(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>重慶批發(fā)投光燈,投光燈</p><p><span>***更新：</span>2020-12-21 11:23:10</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="nc9gyrg" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="7bcz7x3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="j2jb2sm" class="box"><p><p style="text-indent:25px">隔離/非隔離:一般隔離電源如做成15W，放在LED燈管內(nèi)，其變壓器體積很大，很難放進(jìn)去。尤其對(duì)T6/T8燈管，幾乎不可能的，所以隔離的一般只能做到10W,超過(guò)10W的很少，并且價(jià)格很貴。所以，隔離的性?xún)r(jià)比不高，一般是非隔離的占主流較多，體積可以做得更小，zui小可以做到高8毫米，重慶批發(fā)投光燈，實(shí)際上，非隔離的安全措施做好了，重慶批發(fā)投光燈，是不存在問(wèn)題的。電源效率與功率因素:功率因素是有功功率和總功率的比值(C，重慶批發(fā)投光燈，剩下的無(wú)功功率在電網(wǎng)中相互轉(zhuǎn)化，用戶(hù)的電表不會(huì)計(jì)量無(wú)功功率的，對(duì)用戶(hù)的電表沒(méi)任何影響，只是供電局收不到用戶(hù)無(wú)功功率的錢(qián)。視角：LED顯示屏的視角取決于LED燈珠的視角。重慶批發(fā)投光燈</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶批發(fā)投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781071572266/5060107.png"></div><p style="text-indent:25px">而效率(y則是輸出功率和輸入功率的比值，即輸出功率(輸出LED的電壓*輸出電流/輸入功率，這個(gè)參數(shù)尤為重要，涉及到產(chǎn)品和用戶(hù)的利益，如果效率低就意味著輸入功率有很大一部分轉(zhuǎn)化為熱量散發(fā)出來(lái);如果是裝在燈管內(nèi)就會(huì)產(chǎn)生一個(gè)很高的溫度，再加.上我們LED的一個(gè)光效比所散發(fā)熱.量，就會(huì)疊加產(chǎn)生更高的溫度。而我們的電源內(nèi)部所有電子零件的壽命都會(huì)隨溫度的上升而縮短.效率高，轉(zhuǎn)化成光的效率就高，而且電源和燈管的發(fā)熱就會(huì)減少，相當(dāng)于省電，產(chǎn)品性能和壽命會(huì)提高。所以說(shuō)效率是決定電源壽命zui根本的因數(shù)，效率不能太低，否則消耗在電源上的熱量太大。一般在0.8-0.9以上就可以了。功率因素，效率這兩個(gè)指標(biāo)有時(shí)會(huì)重慶批發(fā)投光燈LED是全彩屏整機(jī)中使用數(shù)量很多的關(guān)鍵器件，每平方米會(huì)使用幾千至幾萬(wàn)只LED;</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶批發(fā)投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781305722656/5520519.png"></div><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(huà)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(xiàn)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</p><p style="text-indent:25px">這些要求都為電子行業(yè)的人們所熟悉，關(guān)健是在實(shí)際執(zhí)行時(shí)是否到位，是否有記錄。據(jù)筆者了解一般的民營(yíng)企業(yè)，防靜電措施做得并不到位，這就是大多數(shù)企業(yè)查不到接地電阻的測(cè)試記錄，即使做了接地電阻測(cè)試也是一年一次，或幾年一次，或有問(wèn)題時(shí)檢查一下接地電阻，殊不知接地電阻測(cè)試這是一項(xiàng)很重要的工作，每年至少4次（每季度測(cè)試一次），一些要求高的地方，每月就要作一次接地電阻測(cè)試。土壤電阻會(huì)隨著季節(jié)的變化而不同，春夏天雨水多一般來(lái)說(shuō)，LED的人體靜電模式測(cè)試失效電壓不應(yīng)低于2000V。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶批發(fā)投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781613906250/8543994.png"></div><p style="text-indent:25px">根據(jù) 發(fā)光二極管出光處摻或不摻散射劑、有色還是無(wú)色，上述各種顏色的發(fā)光二極管還可分成有色透明、無(wú)色透明、有色散射和無(wú)色散射四種類(lèi)型。散射型發(fā)光二極管和達(dá)于做指示燈用。2、按發(fā)光管出光面特征分―按發(fā)光管出光面特征分圓燈、方燈、矩形、面發(fā)光管、側(cè)向管、表面安裝用微型管等。圓形燈按直徑分為p2mm.p4.4mm、5mm、8mm、p10mm及 p20mm等。困外通常把p3mm 的發(fā)光二極管記作T-1;把5mm的記作T-1(3/4）﹔把q4.4mm的記作T-1 (1/4）。由半值角大小可以估計(jì)圓形發(fā)光強(qiáng)度角分布情況。垂直視角50°;的橢圓LED，戶(hù)內(nèi)顯示屏則選用水平垂直均為120°;重慶批發(fā)投光燈</p><p style="text-indent:25px">盡量不要買(mǎi)那些的電源。以防止因電源電流過(guò)大將Led燈珠擊穿而造成燈珠不亮燈具。重慶批發(fā)投光燈</p><p style="text-indent:25px">建議不使用配帶該種產(chǎn)品，如果工作人員違反操作規(guī)程，則應(yīng)接受相應(yīng)的警示教育，同時(shí)也起到告示他人的作用。人體帶靜電的多少，與人穿的不同面料衣服、及各人的體質(zhì)有關(guān)，秋冬季黑夜我們脫衣服就很容易看見(jiàn)衣服之間的放電現(xiàn)象，這種靜電放電的電壓就有三千伏。碳化硅襯底芯片的ESD值只有1100伏，藍(lán)寶石襯底芯片的ESD值就更低，只有500-600伏。一個(gè)好的芯片或LED,如果我們用手去拿（身體未作任何防護(hù)措施），其結(jié)果就可想而知了，芯片或LED將受到不同程度的損害，有時(shí)一個(gè)好的器件經(jīng)過(guò)我們的手就莫名其妙的壞了，這就是靜電惹的禍。重慶批發(fā)投光燈</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2490241.html</p></div></div></div></div></div><div id="2npm3yf" class="page-right twoColRt"><div id="ccr8x3n" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wwlspbi" 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) 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