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class="searchbox"><div id="38s8qnm" class="searchLt"><div id="ueh4sub" 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="bahboax" class="clearfix searchWrap"><div id="84uo3jb" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)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="nczoszl" class="container"><ul><li id = "index_index"><a href="http://www.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://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "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="pjbykme" class="twoCol"><div id="d33wgc8" 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_zmytdj/">專門用途燈具</a>?<a href="http://www.cdcfah.com/cp/third-zmytdj_leddengju/">LED燈具</a>?河南專業(yè)LED燈帶歡迎來電上海先盛照明電器供應(yīng)</p><div id="klifxk7" class="leftbox clearfix"><h1>河南專業(yè)LED燈帶歡迎來電上海先盛照明電器供應(yīng)</h1><div id="nmo8gik" class="proBig"><div id="8493bya" 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="hl8zvce" 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="vkhja7y" 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>河南專業(yè)LED燈帶,LED</p><p><span>***更新：</span>2020-12-17 10:14:20</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="ncewonu" 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="crjgn87" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lkhewa3" class="box"><p><p style="text-indent:25px">熒光燈的調(diào)光控制方法是隨著電子鎮(zhèn)流器技術(shù)不斷創(chuàng)新發(fā)展而提高的。近年來隨著高頻電子型鎮(zhèn)流器的出現(xiàn)改變了鎮(zhèn)流器的技術(shù)性能，逐步推出效率gao、性能好、調(diào)光范圍寬、智能化程度高的高頻可調(diào)光電子式熒光燈鎮(zhèn)流器，這種鎮(zhèn)流器作為熒光燈ECG(電子控制裝置)已成為當(dāng)今熒光燈調(diào)光控制的主流產(chǎn)品。調(diào)光電子鎮(zhèn)流器控制線數(shù)可分為，二線制和四線制兩種。四線制調(diào)光電子鎮(zhèn)流器是現(xiàn)在得到zui為廣泛應(yīng)用的，其由調(diào)光控制器通過二條主電源線為鎮(zhèn)流器提供功率支持，二條低電壓控制線與調(diào)光電子鎮(zhèn)流器調(diào)光控制接口配套使用實現(xiàn)開關(guān)，河南專業(yè)LED燈帶、調(diào)光等各種功能性控制，河南專業(yè)LED燈帶，河南專業(yè)LED燈帶。<span style="display:none;"><span style="display:none;"><span style="display:none;"></span></span>電子鎮(zhèn)流器是現(xiàn)在得到zui為廣泛應(yīng)用的，其由調(diào)光控制器通過二條主電源線<span style="display:none;"></span></span>上海先盛照明電器有限公司致力于提供LED，有需要可以聯(lián)系我司哦！河南專業(yè)LED燈帶</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南專業(yè)LED燈帶,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596297770001/2735169.png"></div><p>LED產(chǎn)業(yè)鏈大致可以分為五個部分：一是原材料；二是LED上游產(chǎn)業(yè)；（主要包括外延材料和芯片制造）三是LED中游產(chǎn)業(yè)；（主要包括各種LED器件和封裝）四是LED下游產(chǎn)業(yè)；（主要包括各種LED應(yīng)用產(chǎn)品的產(chǎn)業(yè)）五是測試儀器和生產(chǎn)設(shè)備。一、原材料方面：LED發(fā)光材料和器件的原材料包括襯底材料砷化鎵單晶、氮化鋁單晶等。他們大部分是Ⅲ-Ⅴ族化合物半導(dǎo)體單晶，生產(chǎn)工藝比較成熟，已有開啟即用的拋光性供貨。其他原材料還有金屬高純鎵、高純金屬有機物源，如三甲基鎵、三乙基鎵、s三甲基鋁、高純氣體氨、氮氫等。原材料的純度一般都要在6N（即）以上，封裝材料有環(huán)氧樹脂、ABS、PC、PPD等。二、上游產(chǎn)業(yè)：以LED芯片為主，白光、紫光、紅光等。三、中游產(chǎn)業(yè)：以LED燈珠光源等封裝制造為主，貼片LED、插件LED、各種大小功率LED光源，如2835、5730、4014、3528、3030、5050等。四、下游產(chǎn)業(yè)：以各類LED燈具為主，室內(nèi)燈具如吸頂燈、筒燈、T5T8燈管、面板燈等；戶外燈具如LED路燈、埋地?zé)舻?。五、測試儀器和生產(chǎn)設(shè)備方面：外延材料的測試儀器主要有X射線雙晶衍射儀、熒光譜儀、盧瑟福背散射溝道譜儀等。芯片、器件的測試儀器主要有LED光電特性測試儀、光譜分析儀等。江蘇***LED功率上海先盛照明電器有限公司為您提供LED，歡迎您的來電哦！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南專業(yè)LED燈帶,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596442144929/6544844.png"></div><p style="text-indent:25px">除了小的脈沖占空比外，當(dāng)燈電路發(fā)生故障時，也會出現(xiàn)功率開關(guān)管的不連續(xù)電流工作狀態(tài)，當(dāng)燈負(fù)載出現(xiàn)開路故障時，電感電流將流過諧振電容，由于這個電容的容量較小，所以阻抗較大，而在這個諧振電容上產(chǎn)生較高的電壓。除非兩個功率開關(guān)管有吸收保護(hù)電路，否則這時功率開關(guān)管將承受很大的電壓應(yīng)力。2、改變半橋逆變器供電電壓調(diào)光法利用改變半橋逆變器供電電壓的方法實現(xiàn)調(diào)光有以下優(yōu)點:①利用調(diào)節(jié)半橋逆變器供電電壓來實現(xiàn)調(diào)光。①脈沖占空比（約0.5）固定，使半橋逆變器工作在軟開關(guān)工作狀態(tài)，并可在鎮(zhèn)流電感電流連續(xù)的工作條件下實現(xiàn)寬調(diào)光范圍的調(diào)光（這也可使開關(guān)控制電路簡化）。①由于開關(guān)工作頻率固定，所以可以針對給定的熒光燈型號簡化控制電路設(shè)計。</p><p style="text-indent:25px">可實現(xiàn)平滑和幾乎線性的燈功率調(diào)節(jié)控制特性?？傻玫降凸β式鉀Q方案，半橋逆變器的供電電壓可以選得很低（如5%~100%的調(diào)光范圍對應(yīng)30~120V），這樣可采用低電壓電容和低耐電壓值的功率MOSFET。由于半橋逆變器工作在恒頻狀態(tài)，所以可采用簡單的ACDC控制即可<span style="display:none;"></span>實現(xiàn)調(diào)光。11燈電流近似和DC變換器的直流供電電壓成正比，調(diào)光幾乎和逆變器的輸出電壓成正比，調(diào)光特性曲線?？蓪崿F(xiàn)平滑和幾乎線性的燈功率調(diào)節(jié)控制特性?？傻玫降凸β式鉀Q方案，半橋逆變器的供電電壓可以選得很低（如5%~100%的調(diào)光范圍對應(yīng)30~120V），這樣可采用低電壓電容和低耐電壓值的功率MOSFET。由于半橋逆變器工作在恒頻狀態(tài)，所以可采用簡單的ACDC控制即可實現(xiàn)調(diào)光。11燈電流近似和DC變換器的直流供電電壓成正比，調(diào)光幾乎和逆變器的輸出電壓成正比，調(diào)光特性曲線。<span style="display:none;"><span style="display:none;"><span style="display:none;"></span></span></span>上海先盛照明電器有限公司為您提供LED，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="河南專業(yè)LED燈帶,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402597580084318/2407059.png"></div><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(guān)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(yuǎn)距離運用許多不同顏色的泛光燈是很的。那么咱們應(yīng)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(hù)LED免受高溫文水的腐蝕。LED，就選上海先盛照明電器有限公司，有需求可以來電咨詢！江蘇品質(zhì)LED新報價</p><p style="text-indent:25px">上海先盛照明電器有限公司是一家專業(yè)提供LED的公司。河南專業(yè)LED燈帶</p><p> 其實實際上并不是。根據(jù)晶片生成的特性，LED燈珠的驅(qū)動電壓是有浮動的，一般除了分色溫之外，還會區(qū)分電壓，特別在恒壓燈珠板應(yīng)用上，電壓區(qū)分很有必要。紅光的電壓一般比較低，大概在；白光和暖白光，一般電壓在,,。同樣的流明等級，電壓越低，光效越高，燈珠等級越好。藍(lán)光和紫外線燈珠比較高，一般在；CRI顯色指數(shù)光源對物體的顯色能力稱為顯色性，是通過與同色溫的參考或基準(zhǔn)光源（白熾燈或太陽光）下物體外觀顏色的比較。忠實顯色：能正確表現(xiàn)物質(zhì)本來的顏色需使用顯色指數(shù)(Ra)高的光源，其數(shù)值接近100，顯色性好。效果顯色：要鮮明地強調(diào)特定色彩，表現(xiàn)美的生活可以利用加色的方法來加強顯色效果。采用低色溫光源照射，能使紅色更加鮮艷；采用中等色溫光源照射，使藍(lán)色具有清涼感；采用高色溫光源照射，使物體有冷的感覺。等級分?jǐn)?shù)：分?jǐn)?shù)分級等級應(yīng)用90-1001需要色彩精確對比的場所：博物館，商用，展廳80-891優(yōu)良需要色彩正確判斷的場所：辦公室，會議室60-792普通需要中等顯色性的場所：作業(yè)車間40-593一般對顯色性的要求較低，色差較小的場所：倉庫20-394較差對顯色性無具體要求的場所：路燈統(tǒng)計的15種顏色：R1，淡灰紅色；R2，暗灰黃色；R3：飽和黃綠色；R4。河南專業(yè)LED燈帶</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2443439.html</p></div></div></div></div></div><div id="w7jq2h3" class="page-right twoColRt"><div id="bstlnpr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8bfwyf2" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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