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clearfix"><div id="py7wogn" class="twoCol"><div id="tenacun" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<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>?四川飛利浦投光燈具批發(fā) 歡迎來電上海先盛照明電器供應(yīng)</p><div id="kuvyqob" class="leftbox clearfix"><h1>四川飛利浦投光燈具批發(fā) 歡迎來電上海先盛照明電器供應(yīng)</h1><div id="cvjgyq8" class="proBig"><div id="7fk3rdj" 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="azn81rc" 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="ungk8md" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>四川飛利浦投光燈具批發(fā),投光燈</p><p><span>***更新：</span>2020-10-19 02:10:03</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="z2rvpcu" 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: </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="phbya3g" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="cbpxy8p" class="box"><p><p style="text-indent:25px">接下來，我們聊聊為什么LED燈在關(guān)閉開關(guān)后還是發(fā)光:一、首先的原因就是我們的電路中火線直接進(jìn)LED驅(qū)動器了，零線進(jìn)開關(guān)，在關(guān)閉開關(guān)之后，致使切斷了零線，火線還一直和驅(qū)動器鏈接，加上了的燈工作的環(huán)境，LED在感應(yīng)微弱的電流之后，就會觸發(fā)驅(qū)動器，也就是能使燈珠發(fā)光。二、在我們生活的空間內(nèi)，到處都是微弱的電波，我們只是習(xí)慣了這種電波，所以對人也沒有太大的影響，但是這對我們的LED驅(qū)動就不一樣了。三、再有就是可能存在燈具漏電的原因，經(jīng)個人多年來的經(jīng)驗判斷，有一些LED燈具在關(guān)閉電源開關(guān)之后，四川飛利浦投光燈具批發(fā)，即使火線進(jìn)開關(guān)，依然會亮，而且特別的亮，零線和火線顛倒順序之后，仍然會亮，四川飛利浦投光燈具批發(fā)，這種原因的可能就很大，四川飛利浦投光燈具批發(fā)。另外作業(yè)時注意烙接時溫度不能過高，盡量不要超過270度，時間不要超過3秒。四川飛利浦投光燈具批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川飛利浦投光燈具批發(fā),投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781717548828/354470.png"></div><p style="text-indent:25px">試驗需要同一型號的系統(tǒng)抽取兩個樣品，如果有一個系統(tǒng)在任何一種試驗中不合格，那么另一滿足標(biāo)準(zhǔn)要求的系統(tǒng)將重新接受整個相關(guān)試驗。如果這一系統(tǒng)也不合格那么該設(shè)計將被認(rèn)為達(dá)不到驗證要求。系統(tǒng)性能試驗系統(tǒng)性能試驗共分為三個階段:預(yù)處理、性能試驗、zui大電壓時負(fù)載運行的適用性。試驗需要同一型號的系統(tǒng)抽取兩個樣品，如果有一個系統(tǒng)在任何一種試驗中不合格，那么另一滿足標(biāo)準(zhǔn)要求的系統(tǒng)將重新接受整個相關(guān)試驗。如果這一系統(tǒng)也不合格那么該設(shè)計將被認(rèn)為達(dá)不到驗證要求。系統(tǒng)性能試驗系統(tǒng)性能試驗共分為三個階段:預(yù)處理、性能試驗、zui大電壓時負(fù)載運行的適用性。吉林飛利浦led投光燈波長的一致性決定了整個顯示屏的亮度一致性、白平衡一致性、色度一致性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川飛利浦投光燈具批發(fā),投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269782155068360/7868258.png"></div><p style="text-indent:25px">LED三防燈性能優(yōu)點 1、節(jié)能:同等功率的LED燈耗電*為白熾燈的10%，比日光燈還要節(jié)能，不發(fā)燙,防油,防塵.2、壽命長:LED燈珠的可以工作5萬小時，比日光燈和白熾燈都長。3、可調(diào)光:以前的調(diào)光器一直是針對白熾燈的，白熾燈調(diào)暗時光線.發(fā)紅;很難見到日光燈調(diào)光器，這是調(diào)光技術(shù)很多年沒有發(fā)展的主要原因;現(xiàn)在LED又可以調(diào)光了，并且無論是亮還是暗光都是同樣的顏**溫基本不變)，這一點明顯優(yōu)于白熾燈的調(diào)光。4可頻繁開關(guān): LED的壽命是按點亮?xí)r算的，即便每秒鐘開關(guān)數(shù)千次也不影響LED壽命，在裝飾等需要頻繁亮滅的場合，LED燈有***優(yōu)勢。</p><p style="text-indent:25px">線性調(diào)節(jié)zui簡便的方法是在LED驅(qū)動控制C中使用外部SET電阻來實現(xiàn)LED的調(diào)光控制。雖然，這種調(diào)光控制方法有效，但卻缺乏靈活性，無法讓用戶改變光強度。線性調(diào)節(jié)則會降低效率，并引起白光LED朝向黃色光譜的色彩偏移?？赡苁禽p微的偏移,但可在敏感應(yīng)用中檢測出。采用數(shù)字或叫PWM的LED調(diào)光控制法以大于100HZ的開關(guān)工作頻率，以脈寬調(diào)制的方法改變LED驅(qū)動電流的脈沖占空比來實理LED的調(diào)光控制，選用大于100HZ開關(guān)調(diào)光控制頻率主要是為了避免人眼感覺到調(diào)光閃爍現(xiàn)象，在LED的PWM調(diào)光控制下。<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 style="display:none;"></span></span></span></span></span></span></span></span>如存在不正確操作引起燈泡不亮，則重新焊接led 頂燈一般就可以解決。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川飛利浦投光燈具批發(fā),投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781569589844/2953538.png"></div><p style="text-indent:25px">在1999年開始引入了可以在1瓦電力輸入下連續(xù)使用的商業(yè)品級LED。這些LED都以特大的半導(dǎo)體芯片來處理高電能輸入的問題，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，在市場上開始有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)時市場上zui光的白光LED。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，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,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。led 頂燈短路也可能造成led頂燈不亮，這種情況可以是有部分小公司在led 頂燈生產(chǎn)工藝存在虛焊。專業(yè)投光燈廠家</p><p style="text-indent:25px">led 頂燈熱脹冷縮膠體擠壓金線產(chǎn)生的開路。四川飛利浦投光燈具批發(fā)</p><p style="text-indent:25px">現(xiàn)在設(shè)計占燈具成本的20%左右，有些高。隨著技術(shù)發(fā)展電源大概在5-10%zui為合理。 LED成本高，其實是相對目前其他光源來說，作為20世紀(jì)90年代才發(fā)明藍(lán)光LED,從而導(dǎo)致LED白光得以實現(xiàn)的LED行業(yè)而言，其實現(xiàn)在的成本并不高。尤其是LED環(huán)保、節(jié)能、不含汞，而且每季度LED燈具的價格都在往下滑，相信一定可以在較短的時間內(nèi)達(dá)到人們能夠接受的水平。編輯本段LED驅(qū)動電源九大性能特點要求根據(jù)電網(wǎng)的用電規(guī)則和LED驅(qū)動電源的特性要求，在選擇和設(shè)計LED驅(qū)動電源時要考慮到以下九大<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>四川飛利浦投光燈具批發(fā)</p><p style="text-indent:25px">上海先盛照明電器有限公司總部位于陶干路1199號，是一家照明電器、五金交電、勞防用品、機電設(shè)備批發(fā)零售；照明電器設(shè)計、安裝。的公司。上海先盛照明深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的投光燈，三防燈，筒射燈，燈管。上海先盛照明不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。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，竭誠為客戶提供良好的服務(wù)。</p></p><br 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