陜西品質LED供應商歡迎來電上海先盛照明電器供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 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"><meta name="keywords" content="陜西品質LED供應商,LED"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" 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href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)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>?陜西品質LED供應商歡迎來電上海先盛照明電器供應</p><div id="ti3oykm" class="leftbox clearfix"><h1>陜西品質LED供應商歡迎來電上海先盛照明電器供應</h1><div id="73vwov8" class="proBig"><div id="7j4npm2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402597688014041/4313419.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="os9cz8p" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402597688014041/4313419.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="cbb8l2c" 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>陜西品質LED供應商,LED</p><p><span>***更新：</span>2021-01-06 01:06:11</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="oynmtac" 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="swdkcoq" class="page-proshow02"><p class="title">詳細說明</p><div id="mwy2od7" class="box"><p><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(jù)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(xiàn)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(xiàn)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，陜西品質LED供應商。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，陜西品質LED供應商、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，陜西品質LED供應商，在維修更換方面，顯然鹵素大燈成本更低。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！陜西品質LED供應商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西品質LED供應商,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402597688014041/4313419.png"></div><p> 可調光至1%的燈亮度。可在任意調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?。調光相位-燈功率關系線性好。可控硅相控調光法由于可控硅相控（斬波法）調光具有體積小、價格合理和調光功率控制范圍寬的優(yōu)點，所以可控硅相控調光法是目前使用zui為***的調光方法，可控硅調光法可以將熒光燈的光輸出在50%~100%的范圍內調節(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光的調光范圍。山東飛利浦LED報價表LED，就選上海先盛照明電器有限公司，讓您滿意，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="陜西品質LED供應商,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596156676167/3746494.png"></div><p> 其實實際上并不是。根據(jù)晶片生成的特性，LED燈珠的驅動電壓是有浮動的，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。等級分數(shù)：分數(shù)分級等級應用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。</p><p>LED路燈與常規(guī)路燈不同的是，LED光源采用低壓直流供電、由GaN基功率型藍光LED與黃色合成的高效白光，LED路燈是指用LED燈具制作的路燈，具有高效、安全、節(jié)能、環(huán)保、壽命長、響zhi應速度快、顯色指數(shù)高等優(yōu)點，對城市節(jié)能照明具有十分重要的意義。優(yōu)點1、LED路燈本身的特性——光的單向性，沒有光的漫射，可以很好的保證光照效率。LED體積小，重量輕，采用環(huán)氧樹脂封裝，不*可以保護內部芯片，還具有聚光透光的能力，其使用壽命大多在50000-100000小時之間。2、獨特的二次光學設計，將光照射到所需照明的區(qū)域，進一步提高了光照效率，以達到節(jié)能目的。3、LED的已達110-130lm/W，很大的發(fā)展空間，理論值達360lm/W。高壓鈉燈的發(fā)光效率是隨功率增加才會有所增加，總體光效LED路燈比高壓鈉燈強；(這個總體光效是理論上的，實際上250W以上高壓鈉燈的光效高于LED燈）。4、LED路燈的光顯色性比高壓鈉燈高許多，高壓鈉燈顯色指數(shù)只有23左右，而LED路燈顯色指數(shù)達到75以上，從視覺心理角度考慮，達到同等亮度。5、光衰小，一年的光衰不到3%，使用10年仍達到道路要求，而高壓鈉燈光衰大，一年左右已經(jīng)下降30%以上，因此，LED路燈在使用功率的設計上可以比高壓鈉燈低。LED，就選上海先盛照明電器有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西品質LED供應商,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596102603861/8110134.png"></div><p> 半導體的物理伏安特性伏安特性所謂伏安特性，即是流過P-N結的電流隨電壓變化的特性，在示波器上能十分形象地展示這種變化。一根完整的伏安曲線包括正向特性與反向特性。通常，反向特性曲線變化較為陡峭，當電壓超過某個閾值時，電流會出現(xiàn)指數(shù)式上升。通?？捎梅聪驌舸╇妷?，反向電流和正向電壓三個參數(shù)來進行伏安特性曲線的描述。所以，LED的工作前提：LED屬于半導體，有單向導電性，流過的電流和電壓不成線性正比。LED光通量隨電流增大而增大，但也不成正比。工作在低壓的直流電下，一般電壓在2-5VDC之間，紅光一般工作低壓低，藍光（白光）工作電壓在3-4V，而紫外光電壓在4-5V之間；電壓不能過高，大于某個閾值的時候，電流會指數(shù)式上升，沒有保護電路的話，一般會擊穿晶片；反向電壓一般為10V左右，大不得超過15V，否則會反向擊穿燈珠。（接反會導致反向電壓，過高會造成損壞）LED各類型封裝芯片的一般額定電壓，額定電流表格SMD中小功率SMD中小功率封裝形式的電壓，電流都不一定的。一般是3-5V，不過也有特意幾個晶片串聯(lián)一起的高壓燈珠，有6V，9V，18V，24V等。<span style="display:none;"></span>上海先盛照明電器有限公司致力于提供LED，有需求可以來電咨詢！陜西品質LED供應商</p><p style="text-indent:25px">上海先盛照明電器有限公司為您提供LED，歡迎您的來電哦！陜西品質LED供應商</p><p style="text-indent:25px">可控硅相控調光是采用相位控制的方法來實現(xiàn)調光的。對普通反向阻斷型的可控硅，其閘流特性表現(xiàn)為當可控硅加上正向陽極電壓的同時，又加上適當?shù)恼驏艠O控制電壓時，可控硅就導通;這一導通即使在撤去柵極控制電壓后仍將維持，直到加上反向陽極電壓或可控硅陽極電流小于可控硅自身的維持電流后才會關斷?？煽毓枨把赜|發(fā)的相控調光工作波形原理圖可以看出，在正弦交流電過零后的某一時刻tl（或某一相位wtl），在可控硅的柵極上加一正觸發(fā)脈沖，使可控硅觸發(fā)導通，根據(jù)可控硅的開關特性，這一導通將維持到正弦波的正半周結束。陜西品質LED供應商</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2718077.html</p></div></div></div></div></div><div id="edvn22w" class="page-right twoColRt"><div id="ch87wya" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="chebtqc" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="oifroac" class="recomPic likePro"><a 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