吉林戶外LED解決方案歡迎來(lái)電上海先盛照明電器供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="在正弦波的正半周（即О~北區(qū)間）角常用α表示;而在wtl~T的相位區(qū)間可控硅導(dǎo)通，吉林戶外LED解決方案，這一范圍稱為可控硅的導(dǎo)通角，吉林戶外LED解決方案，常用p表示。同樣在正弦交流電的負(fù)半周，對(duì)處于反向聯(lián)接的另一只可控硅（相對(duì)于兩個(gè)單向"><meta name="keywords" content="吉林戶外LED解決方案,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" 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href="http://www.cdcfah.com/cp/third-zmytdj_leddengju/">LED燈具</a>?吉林戶外LED解決方案歡迎來(lái)電上海先盛照明電器供應(yīng)</p><div id="nhj77sn" class="leftbox clearfix"><h1>吉林戶外LED解決方案歡迎來(lái)電上海先盛照明電器供應(yīng)</h1><div id="nwol2wy" class="proBig"><div id="o8r4m8f" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596215064811/961719.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kew2jdk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596215064811/961719.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="c7m9h32" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>吉林戶外LED解決方案,LED</p><p><span>***更新：</span>2020-11-30 10:11:52</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="a77aug7" 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(jī): </span>021-54169416</p><p><span>地址: </span>陶干路1199號(hào)</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="73y42tv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="cm8x7i3" class="box"><p><p style="text-indent:25px">在正弦波的正半周（即О~北區(qū)間）角常用α表示;而在 wtl~T的相位區(qū)間可控硅導(dǎo)通，吉林戶外LED解決方案，這一范圍稱為可控硅的導(dǎo)通角，吉林戶外LED解決方案，常用p表示。同樣在正弦交流電的負(fù)半周，對(duì)處于反向聯(lián)接的另一只可控硅（相對(duì)于兩個(gè)單向可控硅的反向并聯(lián)而言），在t2時(shí)刻(即相位角wt2）施加觸發(fā)脈沖，使其導(dǎo)通。如此周而復(fù)始，對(duì)正弦波的每一半周期控制其導(dǎo)通，獲得相同的導(dǎo)通角。如果改變觸發(fā)脈沖的觸發(fā)時(shí)間（或相位），即改變可控硅導(dǎo)通角p(或控制角α）的大小，吉林戶外LED解決方案。導(dǎo)通角越大電路的輸出電壓越高，相應(yīng)燈負(fù)載的發(fā)光越亮?？梢?jiàn)，在可控硅調(diào)光電路中，電路輸出的電壓波形已經(jīng)不再是正弦波了，除非調(diào)光電路工作在全導(dǎo)通狀態(tài)，即導(dǎo)通角為180°(或?qū)ㄏ辔粸門(mén)）。上海先盛照明電器有限公司是一家專業(yè)提供LED的公司，歡迎您的來(lái)電哦！吉林戶外LED解決方案</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林戶外LED解決方案,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596215064811/961719.png"></div><p style="text-indent:25px">應(yīng)用可控硅相控工作原理，通過(guò)控制可控硅的導(dǎo)通角，將電網(wǎng)輸入的正弦波壓斬掉一部分，以降低輸出電壓的平均值，達(dá)到控制燈電路供電電壓，從頁(yè)實(shí)現(xiàn)調(diào)光。可控硅相控調(diào)光對(duì)照明系統(tǒng)的電壓調(diào)節(jié)速度快，調(diào)光精度高，調(diào)光參數(shù)可以分時(shí)段實(shí)時(shí)調(diào)整。由于調(diào)光電路主要是電子元件組成，相對(duì)來(lái)說(shuō)體積小、設(shè)備質(zhì)量輕、成本低。但是可控硅相控調(diào)光由于是工作在斬波方式，電壓無(wú)法實(shí)現(xiàn)正弦波輸出，由此出現(xiàn)大量諧波，形成對(duì)電網(wǎng)系統(tǒng)的諧波污染，危害極大，尤其是不能用于有電容補(bǔ)償?shù)碾娐分?。安徽工業(yè)LED哪個(gè)好用LED，就選上海先盛照明電器有限公司，讓您滿意，歡迎您的來(lái)電！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林戶外LED解決方案,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402596102603861/8110134.png"></div><p>led線條燈和led護(hù)欄管主要用于勾勒大樓建筑輪廓或是組成一個(gè)動(dòng)態(tài)的大屏幕，而led洗墻燈主要是打光照射建筑外墻亮化。led投光燈是對(duì)建筑柱子或者頂部局部打亮。它的照射高度比較高，但燈光寬度范圍不遠(yuǎn)。led點(diǎn)光源對(duì)建筑主要是起到點(diǎn)綴燈光作用。很多樓體會(huì)在每層裝一個(gè)點(diǎn)光源用來(lái)點(diǎn)綴。不過(guò)還有一個(gè)作用是用來(lái)做動(dòng)態(tài)點(diǎn)陣屏。樓體亮化工程在接到亮化工程項(xiàng)目時(shí)，一定要先針對(duì)大樓設(shè)計(jì)好亮化效果圖，先讓客戶確定效果圖?？蛻魸M意后，我們?cè)诟鶕?jù)效果圖選擇適合的led亮化燈具，然后根據(jù)建筑的CAD圖紙算出具體需要的燈具數(shù)量，我們?cè)诟鶕?jù)具體數(shù)量配好開(kāi)關(guān)電源和控制器。一定要注意如果有l(wèi)ed投光燈和led洗墻燈這些的話，要先看效果圖上面燈具具體要照射的高度是多少，在根據(jù)這個(gè)來(lái)選擇燈具光源透鏡度數(shù)和功率大小。因?yàn)椴煌哥R度數(shù)和不同功率，照射的高度是不一樣的。所以建議接到項(xiàng)目時(shí)，一定要選擇一家專業(yè)的，有經(jīng)驗(yàn)和值得信賴的led亮化燈具廠家。戶外樓體亮化是城市夜景亮化很重要的一部分，不僅美化了城市，也提升了城市的形象，可以很好的宣傳城市的**度，讓城市的夜景變得更吸引人。戶外樓體亮化與城市的整體規(guī)劃有很密切的聯(lián)系，是城市夜景亮化很重要的組成部分。</p><p> 這個(gè)黑體加熱的溫度稱之為該光源的顏色溫度，簡(jiǎn)稱色溫。其單位用“K”開(kāi)爾文表示。CorrelatedColorTemperature:但實(shí)際上，絕大多數(shù)照明光源的光色并不能恰好在黑體輻射線上，于是RaymondDavis等人提出了相關(guān)色溫的概念，其思想是在均勻色品圖上用距離短的溫度來(lái)表示光源的相關(guān)色溫，用K氏溫度表示。CIE1931色度圖相關(guān)色溫，以及u,v坐標(biāo)，x,y坐標(biāo)對(duì)比：明白相關(guān)色溫的概念，色溫可以用積分球測(cè)定，以及可以知道坐標(biāo)，SDCM，CRI，光通量等，機(jī)器如下：色容差SDCM同樣的相關(guān)色溫，坐標(biāo)不同，給人的感覺(jué)是完全不同的，如：同樣是3000K相關(guān)色溫的兩個(gè)LED燈珠色容差：表征光色電檢測(cè)系統(tǒng)軟件計(jì)算的X，Y值（uv)與標(biāo)準(zhǔn)光源之間的差別，數(shù)值越小，準(zhǔn)確度越高，光的顏色就越**。圈圈可以理解為步長(zhǎng)（step)，分7步，5步，3步，2步，1步。CREE燈珠一般出廠都在4步以內(nèi)；我們現(xiàn)在的SMD2835燈珠，一般都在5步以內(nèi)，一般為2-3步不等；色漂，隨著電流不同，溫度或者時(shí)間不同，色溫出線飄逸的現(xiàn)象。越小越好。光品質(zhì)：色容差與色溫的關(guān)系，你真的懂？光品質(zhì)：色容差與色溫的關(guān)系，你真的懂？/content/17/0720/09/27356145_tml燈珠電壓以上圖表燈珠電壓都是按3V的倍數(shù)計(jì)算。LED，就選上海先盛照明電器有限公司，讓您滿意，歡迎您的來(lái)電哦！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林戶外LED解決方案,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402597580084318/2407059.png"></div><p>前幾天，一位朋友在后臺(tái)留言：LED燈珠和LED貼片哪個(gè)更好？來(lái)分享這個(gè)問(wèn)題，也希望這個(gè)同學(xué)能夠看到。LED燈珠和LED貼片哪個(gè)更好？事實(shí)上，LED貼片就是LED燈珠的一種。只是，很多人對(duì)LED燈珠的封裝類型不是很了解。之前，也有很多同學(xué)問(wèn)類似的問(wèn)題。和他們溝通，原來(lái)他們以為直插LED就是LED燈珠。也是我們常見(jiàn)的插腳式燈珠，也有些同學(xué)稱之為DIP插件燈珠。而LED貼片，很多人知道是SMDLED，貼片封裝工藝。所以，先了解了他們所問(wèn)的LED燈珠和LED貼片在他們的認(rèn)知里的類型后，我們才能把兩者做一個(gè)對(duì)比。那么，知道了他們是這樣理解LED燈珠和LED貼片，我們就可以有針對(duì)性地看看這兩者哪個(gè)更好。我們先來(lái)看看直插燈珠，也就是這位同學(xué)說(shuō)的LED燈珠。LED燈珠直插式，是比較早期出現(xiàn)的一種LED燈珠封裝類型，大部分用在指示燈，玩具，鞋燈和燈箱廣告上。比如，現(xiàn)代的飲水機(jī)，排插，廣告燈上，也依然有很多LED直插式燈珠的應(yīng)用。而LED燈珠貼片則是很多用在電子設(shè)備，電器，汽車儀表，手機(jī)背光，電視背光和LED顯示屏上，都有很多的運(yùn)用。那么，LED燈珠和LED貼片哪個(gè)更好？LED燈珠，也就是LED燈珠直插，角度可以做的非常小。比如15-20度，30度，60度等等。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(cuò)過(guò)哦！河南防水LED柱泡</p><p style="text-indent:25px">LED，就選上海先盛照明電器有限公司，用戶的信賴之選，有想法的不要錯(cuò)過(guò)哦！吉林戶外LED解決方案</p><p> 其實(shí)實(shí)際上并不是。根據(jù)晶片生成的特性，LED燈珠的驅(qū)動(dòng)電壓是有浮動(dòng)的，一般除了分色溫之外，還會(huì)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(jí)，電壓越低，光效越高，燈珠等級(jí)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(duì)物體的顯色能力稱為顯色性，是通過(guò)與同色溫的參考或基準(zhǔn)光源（白熾燈或太陽(yáng)光）下物體外觀顏色的比較。忠實(shí)顯色：能正確表現(xiàn)物質(zhì)本來(lái)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(qiáng)調(diào)特定色彩，表現(xiàn)美的生活可以利用加色的方法來(lái)加強(qiáng)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(jué)。等級(jí)分?jǐn)?shù)：分?jǐn)?shù)分級(jí)等級(jí)應(yīng)用90-1001需要色彩精確對(duì)比的場(chǎng)所：博物館，商用，展廳80-891優(yōu)良需要色彩正確判斷的場(chǎng)所：辦公室，會(huì)議室60-792普通需要中等顯色性的場(chǎng)所：作業(yè)車間40-593一般對(duì)顯色性的要求較低，色差較小的場(chǎng)所：倉(cāng)庫(kù)20-394較差對(duì)顯色性無(wú)具體要求的場(chǎng)所：路燈統(tǒng)計(jì)的15種顏色：R1，淡灰紅色；R2，暗灰黃色；R3：飽和黃綠色；R4。吉林戶外LED解決方案</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2208227.html</p></div></div></div></div></div><div id="hotkmov" class="page-right twoColRt"><div id="ue23xws" class="box01 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