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發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務平臺 </span><div id="shubvho" class="searchbox"><div id="8tipwip" class="searchLt"><div id="igyahya" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="per2zgi" class="clearfix searchWrap"><div id="onkh2rt" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="oxubnjl" class="container"><ul><li id = "index_index"><a href="http://m.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://m.cdcfah.com/cp/"><span>產(chǎn)品供應</span></a></li><li id = "index_news"><a href="http://m.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://m.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://m.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="3k8jpby" class="twoCol"><div id="dhjb3ol" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://m.cdcfah.com/cp/first-_zmgy/">照明工業(yè)</a>?<a href="http://m.cdcfah.com/cp/second-zmgy_zmytdj/">專門用途燈具</a>?<a href="http://m.cdcfah.com/cp/third-zmytdj_leddengju/">LED燈具</a>?河南防水LED新報價歡迎咨詢上海先盛照明電器供應</p><div id="sm324y3" class="leftbox clearfix"><h1>河南防水LED新報價歡迎咨詢上海先盛照明電器供應</h1><div id="keqcugd" class="proBig"><div id="x8xvvx2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402597856969207/5545199.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="33z7meb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402597856969207/5545199.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="utvx32r" 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)品關鍵詞：</span>河南防水LED新報價,LED</p><p><span>***更新：</span>2020-11-25 00:19:38</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="fpmov8p" 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="pnx2yf8" class="page-proshow02"><p class="title">詳細說明</p><div id="t2gqn9c" class="box"><p><p style="text-indent:25px">正是由于正弦波波形被破壞了，調(diào)光電路輸出電壓的有效值發(fā)生了變化，實正是由于正弦波波形被破壞了，調(diào)光電路輸出電壓的有效值發(fā)生了變化，實其中只有基波電壓、電流成分才做功，而高次諧波電壓、電流不做功，產(chǎn)生了大量的無功功率，河南防水LED新報價，使電源的利用率、功率因數(shù)下降，并且會由于高次諧波的引入，河南防水LED新報價，又會產(chǎn)生大量的高頻諧波干擾。所以可控硅調(diào)光法是一種較老，但又較為成熟的調(diào)光控制方法，在大功率照明調(diào)光控制應用場合中有它的優(yōu)勢?？煽毓柘嗫卣{(diào)光的典型應用電路原理LED，就選上海先盛照明電器有限公司，河南防水LED新報價，讓您滿意，歡迎您的來電哦！河南防水LED新報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南防水LED新報價,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402597856969207/5545199.png"></div><p>應用范圍比較廣，可以在線性燈具，燈帶，筒燈，面光源等全系列的燈具應用上。這些燈珠封裝形式的功率，一般設計為，，，不過后來因為晶片技術和散熱支架（PCT，紅銅）等，功率可以上升到1W,甚至2W?，F(xiàn)在甚至出現(xiàn)有5050，7070等SMD，功率能到3W以上。大功率表面貼裝性第三種燈珠也是表貼型，它與小功率表貼在本質(zhì)上很類似，只不過大功率、體積都大一點;在細微結構上，多了一個透鏡，可以將光線更好地匯聚在一起。這些類型功率都偏大，一般屬于國外大芯片公司壟斷了技術，一般封裝形式有：大功率芯片，3535；電壓一般還是3V-5V，額定電流可以從300mA-1500mA之間；集成封裝性（COB)它是將很多燈珠芯片封裝在同一塊板上，晶片是通過一定形式的串并數(shù)，用金線連接的。一般的串并數(shù)都是10串，或者12串的設計，因為都是設計在特低安全SELV42V以下。一般基板材料有：鋁基板，陶瓷板；例如CREE的COB一般是陶瓷基板；注意：安裝時候，不能用手或者其他工具觸摸，按壓熒光粉表面。銷售LED功率上海先盛照明電器有限公司為您提供LED，有需要可以聯(lián)系我司哦！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南防水LED新報價,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596358599967/471457.png"></div><p> 可調(diào)光至1%的燈亮度?？稍谌我庹{(diào)光設定值下啟動電子鎮(zhèn)流器電路?？蓱糜诙酂魬茫ㄈ鐭舻娜嚎兀﹫龊?。調(diào)光相位-燈功率關系線性好?？煽毓柘嗫卣{(diào)光法由于可控硅相控（斬波法）調(diào)光具有體積小、價格合理和調(diào)光功率控制范圍寬的優(yōu)點，所以可控硅相控調(diào)光法是目前使用zui為***的調(diào)光方法，可控硅調(diào)光法可以將熒光燈的光輸出在50%~100%的范圍內(nèi)調(diào)節(jié)。但是在熒光燈的電感鎮(zhèn)流應用場合，由于熒光燈電路需用到一只“啟輝器”，但是當熒光燈電感鎮(zhèn)流電路在供電電壓較低的應用場合會產(chǎn)生熒光燈啟動困難的問題，這就限制了熒光燈可控硅相控調(diào)光的調(diào)光范圍。 </p><p>LED泛光燈是一種能夠向四面八方均勻照耀的點光源，它的照耀規(guī)劃能夠恣意調(diào)整，在場景中表現(xiàn)為一個正八面體的圖示。泛光燈是在作用圖制作傍邊運用的一種光源，規(guī)范泛光燈用來照亮整個場景。場景中能夠運用多盞泛光燈，以發(fā)生較好的作用。泛光燈是在作用圖中運用的一種光源，場景中能夠用多盞泛光燈諧和作用，以誕生較好的作用。是從一特定點向各個方向均勻地照耀物體，用它來類比燈泡和蠟燭好不過了。泛光燈能夠放置在場景中的任何地方。泛光燈的特性：小電流下，LED泛光燈溫升不顯著。若環(huán)境溫度較高，LED泛光燈的主波長就會紅移，亮度會下降，發(fā)光均勻性、一致性變差。特別點陣、大顯示屏的溫升對LED泛光燈的可靠性、穩(wěn)定性影響更為顯著。所以散熱規(guī)劃很關鍵。泛光燈是從一特定點向各個方向均勻地照耀物體，用它來類比燈泡和蠟燭好不過了。泛光燈能夠放置在場景中的任何地方。例如，能夠放置在攝影機規(guī)劃以外，或者是物體的內(nèi)部。在場景中遠距離運用許多不同顏色的泛光燈是很的。那么咱們應該怎樣去處理散熱器，讓它具有超卓的散熱功用呢？散熱器是LED泛光燈的重要組成部分，其主要功用是散熱和防水，可保護LED免受高溫文水的腐蝕。上海先盛照明電器有限公司是一家專業(yè)提供LED的公司，有需求可以來電咨詢！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南防水LED新報價,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596102603861/8110134.png"></div><p>LED路燈有自動控制節(jié)能裝置，能實現(xiàn)在滿足不同時段照明要求情況下可能的降低功率，節(jié)省電能。可實現(xiàn)電腦調(diào)光，分時間段控制，光線控制，溫度控制，自動巡檢等人性化功能。利用這一特性，還可以實現(xiàn)電腦調(diào)光，分時間段控制，光線控制，溫度控制等等功能。7、壽命長：可以能使用5萬小時以上，并且提供三年的質(zhì)量保證。不足之處就是電源的壽命得不到保證。8、LED路燈安裝簡便：不需要添加埋電纜無需整流器等，直接將安裝于燈桿接上或者將光源嵌套原有燈殼。目前，LED路燈響應時間比較低的已達1微秒，大多數(shù)的一般多為幾個毫秒，響應時間大約為普通光源的1/100。因此根據(jù)這種特性，可以應用于汽車剎車燈，能有效縮短車輛的剎車時間，提高出行安全度。9、LED路燈散熱控制出色：夏天溫度控制在45度以下，并采用被動散熱方式，夏天的散熱保障不足。10、質(zhì)量可靠：電路電源全部采用高質(zhì)量元器件，每顆LED都有單獨過流保護，不需要擔心損壞。11、LED路燈光色均勻：不加透鏡，不用以提高亮度而**均勻光色，從而很好的保證無光圈光色均勻。12、環(huán)保問題，LED不含有害金屬汞，在報廢時不會對環(huán)境造成危害。綜合上述原理的節(jié)能效果，代替高壓鈉燈可節(jié)電60%以上。上海先盛照明電器有限公司致力于提供LED，歡迎您的來電！上?？诒肔ED單價</p><p style="text-indent:25px">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！河南防水LED新報價</p><p> 而LED基板與PCB之間的熱阻一般是℃/w（鋁基板的熱阻一般小于℃/w),那么Tj與PCB板之間溫差為8+℃。燈具散熱材料，一般壓鑄鋁（鋁合金的熱阻一般*為℃/w)，那么燈殼到LEDPN結之間的溫差約為：（8+）=℃。現(xiàn)在問題是：燈殼Tscase與燈周邊環(huán)境溫度Ta的溫度差多少？這是由燈具的系統(tǒng)熱阻決定的。加入用于熱失散的燈殼接觸環(huán)境空間的面積為A，此面積大小就決定了兩者之間的溫差。當A趨于無窮大時，燈殼與環(huán)境等溫。這是做不到的。日本西鐵城等公司，測算出散熱器面積與Tj的關系曲線。一個，要使Tj從100℃下降到80℃，散熱器與空氣接觸面積要增加60平方里面以上，由此可估算：60cm2/；每增加1W電功率的LED，若用60平方厘米以上的散熱器時，其Tj結溫將下降20℃。計算：那么用約用℃。那么，燈具系統(tǒng)熱阻Rthsystem=20/℃/w；于是對燈具施加，在Ta=25℃時，燈殼上的溫度應該是：Tscase=25℃+℃；此時，通過前面的計算，我們可以知道LEDPN結溫是：Tj=45+℃；PN結溫Tj比起光效值100lm/WTj=25℃的時候，高了（）=℃；也就是一個100lm的LED光通量較Tj=25℃的時候要低：；100個LED等于比Tj=25℃時候，低；由此可以得知燈具的熱效率=（1-735/10000)=。所以：三個部分疊加后。河南防水LED新報價</p><p style="text-indent:25px">上海先盛照明電器有限公司主要經(jīng)營范圍是照明工業(yè)，擁有一支專業(yè)技術團隊和良好的市場口碑。公司業(yè)務涵蓋投光燈，三防燈，筒射燈，燈管等，價格合理，品質(zhì)有保證。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于照明工業(yè)行業(yè)的發(fā)展。上海先盛照明秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2127007.html</p></div></div></div></div></div><div id="jqsu2iw" 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