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歡迎來電上海先盛照明電器供應(yīng)</h1><div id="wlxum7w" class="proBig"><div id="utqdfb7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781717548828/354470.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3333vxw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781717548828/354470.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="h2nxe23" 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>江蘇led投光燈具批發(fā),投光燈</p><p><span>***更新：</span>2020-11-20 06:10:05</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="wip7vnz" 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="wgdqnzg" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="gvce85y" class="box"><p><p style="text-indent:25px">為什么LED燈在關(guān)閉開關(guān)之后，還是會(huì)亮呢?LED燈具現(xiàn)在已經(jīng)融入到我們的社會(huì)，由于功率小，亮度高，即達(dá)到了節(jié)能的目的，也方便了我們的生活，受到人們的喜愛，但是關(guān)燈之后，依然會(huì)亮卻讓人很是煩惱，接下來我們就聊聊這個(gè)問題。首先呢我們要知道LED燈的工作原理，他是由我們能看到的燈珠、驅(qū)動(dòng)器(電源）構(gòu)成，燈珠呢就是有很多的發(fā)光燈珠，驅(qū)動(dòng)器有很多種，一般都是單獨(dú)裝在一個(gè)塑料盒子里，江蘇led投光燈具批發(fā)，如果我們看到就這樣區(qū)分就可以，江蘇led投光燈具批發(fā)，江蘇led投光燈具批發(fā)。我們看到就這樣區(qū)分就可以。5mm 的橢圓燈主要用于P16以上的戶外顯示屏，3mm的橢圓燈主要用于P12.5、P12、P10的戶外顯示屏。江蘇led投光燈具批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇led投光燈具批發(fā),投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781717548828/354470.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溫度過高。安徽批發(fā)投光燈鎮(zhèn)流器Led 燈如果出現(xiàn)了不亮的情況，那么我們首先要找到原因，然后再找到正確的解決辦法。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇led投光燈具批發(fā),投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781569589844/2953538.png"></div><p style="text-indent:25px">關(guān)燈微量一般都是以下幾種原因造成的<span style="display:none;"></span>:<span style="display:none;"></span>1、開關(guān)控制了零線。這是比較常見的一- 種原因，電工接線時(shí)開關(guān)控制了零線，或者電箱進(jìn)線時(shí)零火接反。開關(guān)控制的是零線，火線依然和燈具連接著，就會(huì)發(fā)出微光。解決辦法:調(diào)整接線，讓開關(guān)控制火線。2、雙控開關(guān)出現(xiàn)錯(cuò)誤接法雙控開關(guān)有好幾種接線方式，如果用了錯(cuò)誤的接法，也會(huì)關(guān)燈后微亮。解決方法:安裝正常的控制火線接法重新接線。3、開關(guān)帶指示燈，用了電子類開關(guān) 開關(guān)里面帶指示燈，關(guān)燈后會(huì)有輕微電流流過。如果燈具使用的是電子開關(guān)，例如紅外，聲控，遙控開關(guān)。也會(huì)出現(xiàn)關(guān)燈后發(fā)微光現(xiàn)象。<span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"></span></span></span></span></span></span></span></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(gè)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(duì)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*在靠近PN結(jié)面數(shù)μm以內(nèi)產(chǎn)生。理論和實(shí)踐證明，光的峰值波長(zhǎng)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(zhǎng)在380nm紫光~ 780nm紅光)，半導(dǎo)體材料的Eg應(yīng)在3.26~ 1.63eV之間。3528型貼片LED主要用于P6、P8的戶內(nèi)顯示屏，2020型貼片LED主要用于P2、P3等室內(nèi)顯示屏。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇led投光燈具批發(fā),投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781305722656/5520519.png"></div><p style="text-indent:25px">試驗(yàn)需要同一型號(hào)的系統(tǒng)抽取兩個(gè)樣品，如果有一個(gè)系統(tǒng)在任何一種試驗(yàn)中不合格，那么另一滿足標(biāo)準(zhǔn)要求的系統(tǒng)將重新接受整個(gè)相關(guān)試驗(yàn)。如果這一系統(tǒng)也不合格那么該設(shè)計(jì)將被認(rèn)為達(dá)不到驗(yàn)證要求。系統(tǒng)性能試驗(yàn)系統(tǒng)性能試驗(yàn)共分為三個(gè)階段:預(yù)處理、性能試驗(yàn)、zui大電壓時(shí)負(fù)載運(yùn)行的適用性。試驗(yàn)需要同一型號(hào)的系統(tǒng)抽取兩個(gè)樣品，如果有一個(gè)系統(tǒng)在任何一種試驗(yàn)中不合格，那么另一滿足標(biāo)準(zhǔn)要求的系統(tǒng)將重新接受整個(gè)相關(guān)試驗(yàn)。如果這一系統(tǒng)也不合格那么該設(shè)計(jì)將被認(rèn)為達(dá)不到驗(yàn)證要求。系統(tǒng)性能試驗(yàn)系統(tǒng)性能試驗(yàn)共分為三個(gè)階段:預(yù)處理、性能試驗(yàn)、zui大電壓時(shí)負(fù)載運(yùn)行的適用性。故只要LED器件品質(zhì)保證、工作電流合適、PCB散熱設(shè)計(jì)合理、顯示屏生產(chǎn)工藝嚴(yán)謹(jǐn)。天津飛利浦投光燈led</p><p style="text-indent:25px">檢查是否因led燈珠引腳虛焊，焊接時(shí)溫度過高。江蘇led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^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江蘇led投光燈具批發(fā)</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)，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。上海先盛照明作為照明電器、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(jì)、安裝。的企業(yè)之一，為客戶提供良好的投光燈，三防燈，筒射燈，燈管。上海先盛照明繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。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(chéng)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/2067037.html</p></div></div></div></div></div><div id="fkmovc2" class="page-right twoColRt"><div id="luwdf2i" class="box01 margin10 clearfix"><h3><a 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