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"index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="akwt7h8" class="twoCol"><div id="zik3bvz" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產品供應</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_zmytdj/">專門用途燈具</a>?<a href="http://www.cdcfah.com/cp/third-zmytdj_leddengju/">LED燈具</a>?江蘇原裝LED哪里買歡迎咨詢上海先盛照明電器供應</p><div id="3gifrab" class="leftbox clearfix"><h1>江蘇原裝LED哪里買歡迎咨詢上海先盛照明電器供應</h1><div id="wlipryv" class="proBig"><div id="sh27j4y" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596297770001/2735169.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uoqnuvc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596297770001/2735169.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ispcjqn" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>江蘇原裝LED哪里買,LED</p><p><span>***更新：</span>2020-12-15 07:09:27</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="gfhjl33" 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>網址: </span></p><p><span>手機: </span>021-54169416</p><p><span>地址: </span>陶干路1199號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="gkmy7zt" class="page-proshow02"><p class="title">詳細說明</p><div id="nheb3mo" class="box"><p><p style="text-indent:25px">常用調光方法的工作原理 1、脈沖寬度調制（PWM）調光法這種調光控制法是利用調節(jié)高頻逆變器**率開關管的脈沖占空比，從而實現燈輸出功率的調節(jié)。半橋逆變器的比較大占空比為0.5，以確保半橋逆變器中的兩個功率開關管之間有一個死時間，以避免兩個功率開關管由于共態(tài)導通而損壞。這種調光控制法能使功率開關管導通時工作在零電壓開關（ZVS）狀態(tài)，關斷瞬間需采用吸收電容以達到ZCS工作條件，這樣即可進入ZVS工作方式，這是它的優(yōu)點，同時EMII和功率開關管的電應力可以明顯降低，然而，如果脈沖占空比太小，江蘇原裝LED哪里買，以致電感電流不連續(xù)，將會失去ZVS工作特性，并且由于供電直流電壓較太小，以致電感電流不連續(xù)，江蘇原裝LED哪里買，將會失去ZVS工作特性，江蘇原裝LED哪里買，并且由于供電直流電壓較的工作可靠性降低并加大EMI輻射。上海先盛照明電器有限公司是一家專業(yè)提供LED的公司。江蘇原裝LED哪里買</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇原裝LED哪里買,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596297770001/2735169.png"></div><p> 總體來說我認為LED大燈更好，當然鹵素車燈也是有它的優(yōu)點的，但總的來說缺點大于優(yōu)點。LED大燈亮度更高，更加節(jié)能用過節(jié)能LED燈的小伙伴都知道，節(jié)能燈不光更省電，而且亮度也更高，發(fā)出的光也更加的白。當然汽車的LED大燈也是這樣，它不光比鹵素大燈更亮，而且它的聚光性也更好。此外LED大燈的功率也比鹵素大燈更小，消耗的電量更少，耗電*相當于傳統(tǒng)燈泡的1/10。LED大燈更好看LED燈珠較小，并可以根據造型的需要排列成不同的形狀，這也就給了汽車造型師更大的發(fā)揮空間，于是現在的車外形也越來越好看了。所以在買車的時候，大家還是更愿意選擇LED大燈。圓環(huán)形LED尾燈LED大燈更加智能化得益于LED的多顆燈珠的設計方式，LED頭燈可以實現各種智能功能。比如隨動轉向頭燈、自動遠近光燈、LED流水轉向燈、主動LED大燈、可投射圖像大燈等等。更加智能和先進的LED大燈使我們的用車更加方便，也更加安全。避免遠光直射對象來車鹵素大燈：成本低、易維護是它大的優(yōu)點但LED的這些優(yōu)點是跟它成本成正比的，普通一輛20萬合資車，它的一個LED頭燈差不多要5千到1萬人民幣不等，一些豪華車的LED頭燈動則3萬以上。而一輛鹵素大燈多不過幾千塊錢，在維修更換方面，顯然鹵素大燈成本更低。浙江大功率LED燈管上海先盛照明電器有限公司致力于提供LED，歡迎新老客戶來電！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇原裝LED哪里買,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596873453520/2246818.png"></div><p>平角的LED燈珠直插可以做到90-110度。角度越小，聚光性越好，光線越集中，光線射得更遠。缺點是照射范圍有限。LED燈珠貼片，一般角度都是平面120度，因為角度大，發(fā)光均勻，通常在照常照明產品上大量使用。比如，日光燈管，球泡燈，面板燈，很多照明產品上用的都是SMDLED貼片燈珠。LED燈珠貼片可以上高速SMD，過回流焊的溫度可以達到260度，重要的是LED燈珠貼片可以批量上高速貼片燈，批量工業(yè)化生產，照明產品上的話，省人工，機器貼裝，效率更高，焊接不良率更低。而LED燈珠（LED燈珠直插式）因為角度小，聚光性好，但是因為只有兩個引腳散熱，所以，一般只能過波峰焊?；蛘?，手工電烙鐵焊接，焊接要求焊接時間短，對焊接工人的焊接技術有要求，否則會產生較多的不良率。LED燈珠和LED貼片哪個更好？其實重要的，還是要看你是用在什么產品上的，如果是用在大功率，或者大瓦數的照明產品上，一般是建議使用LED燈珠貼片式的，成本更低，效率更高。而如果是用在指示燈上，或者要求聚光，高亮的，小功率的，一般可以選用上海先盛照明電器有限公司LED燈珠直插式的。因此，LED燈珠和LED貼片兩種發(fā)光二極管，本質上就沒有太大的區(qū)別，都是LED燈珠的封裝方式。</p><p> 發(fā)光二極管簡稱為LED。由含鎵（Ga）、砷（As）、磷（P）、氮（N）等的化合物制成。當電子與空穴復合時能輻射出可見光，因而可以用來制成發(fā)光二極管。在電路及儀器中作為指示燈，或者組成文字或數字顯示。砷化鎵二極管發(fā)紅光，磷化鎵二極管發(fā)綠光，碳化硅二極管發(fā)黃光，氮化鎵二極管發(fā)藍光。因化學性質又分有機發(fā)光二極管OLED和無機發(fā)光二極管LED發(fā)光二極管是一種常用的發(fā)光器件，通過電子與空穴復合釋放能量發(fā)光，它在照明領域應用。[1]發(fā)光二極管可高效地將電能轉化為光能，在現代社會具有的用途，如照明、平板顯示、醫(yī)療器件等。[2]這種電子元件早在1962年出現，早期只能發(fā)出低光度的紅光，之后發(fā)展出其他單色光的版本，時至能發(fā)出的光已遍及可見光、紅外線及紫外線，光度也提高到相當的光度。而用途也由初時作為指示燈、顯示板等；隨著技術的不斷進步，發(fā)光二極管已被地應用于顯示器和照明。上海先盛照明電器有限公司供應led平面燈。上海先盛照明電器有限公司致力于提供LED，有想法的不要錯過哦！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇原裝LED哪里買,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596102603861/8110134.png"></div><p style="text-indent:25px">由于開關工作頻率剛好大于諧振頻率，所以可以降低無功功率和提高電路工作效率。由于開關工作頻率固定，所以可以比較方便地確定燈負載匹配電路中無源器件的參數。可在較寬的燈功率范圍內（5%~100%）保持ZVS工作條件。在很低的半橋逆變器供電電壓下，電子鎮(zhèn)流器電路將會失去較開關特性，會出現鎮(zhèn)流電感電流不連續(xù)的工作狀態(tài)。然而在直流供電電壓很低的情況下，這種工作狀態(tài)不再是個問題，這時功率開關管的電應力和損耗都將很小，即使工作在硬開關，在低直流供電電壓情況下（如20V）也不會產生太多的EMI輻射。<span style="display:none;"><span style="display:none;"></span></span>LED，就選上海先盛照明電器有限公司，用戶的信賴之選，有需求可以來電咨詢！浙江大功率LED燈管</p><p style="text-indent:25px">上海先盛照明電器有限公司LED值得用戶放心。江蘇原裝LED哪里買</p><p>月亮在地屏水面上的倒影隨著月亮同步移動，虛實相生、形成了韻味無窮的詩意空間。同時圓屏里的樹經過裸眼3D的立體設計，將整個畫面襯托的簡潔輕盈，非常生動。突破了虛實邊界，打破了二維空間，更加體現了整個舞臺的空間感。創(chuàng)顯光電的LED沉浸式魔幻森林創(chuàng)顯光電為美國俄克拉荷馬州杜蘭特的喬克托度假村ChoctawCasinoResort打造了美國較早數字藝術項目。整個魔幻森林數字項目使用數字藝術、LED創(chuàng)意顯示屏、燈光等技術，并將聲音裝置融合在一起，創(chuàng)造了一種全新的沉浸式體驗，同時重視藝術與自然及人之間的關系，建立起奇妙的人與環(huán)境之間溝通的“橋梁”，就像原始大自然在緩緩敘述其中的故事一般，人與自然和諧相處。顧客在度假村的各個區(qū)域之間穿梭猶如穿過一片原始森林。10月的LED顯示屏眾多，所以經典案例也是數不勝數，以上*列舉10月比較具有性的案例，不包含全部。上述的案例，規(guī)模之龐大、創(chuàng)意之新穎、技術之融合等都具有作用，更能為日后行業(yè)的更為多樣化的LED顯示屏項目提供榜樣作用。我國LED顯示屏市場龐大，且要求較為多樣化，經由我國LED屏企的努力，我國已經延伸出LED軟膜組、地磚屏以及各類異形屏等產品。江蘇原裝LED哪里買</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2413099.html</p></div></div></div></div></div><div id="v72dikw" class="page-right twoColRt"><div id="vhy8tiz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pzw22wt" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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