山東飛利浦led投光燈歡迎咨詢上海先盛照明電器供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="和熒光燈相比大約可以節(jié)省一半以上的電，也就是說采用一個(gè)18瓦的LED日光燈可以取代一個(gè)36瓦的熒光燈。不*如此，LED日光燈還有很多其他優(yōu)點(diǎn):4.壽命長:一個(gè)仔細(xì)設(shè)計(jì)的LED日光燈的壽命可以達(dá)到5萬小時(shí)。而一個(gè)熒光燈的壽命通常只有5,000"><meta name="keywords" content="山東飛利浦led投光燈,投光燈"><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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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>山東飛利浦led投光燈,投光燈</p><p><span>***更新：</span>2021-01-18 10:07:59</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="cwdkbnz" 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="veq2wiz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="srtfmta" class="box"><p><p style="text-indent:25px">和熒光燈相比大約可以節(jié)省一半以上的電，也就是說采用一個(gè)18瓦的LED日光燈可以取代一個(gè)36瓦的熒光燈。不*如此，LED日光燈還有很多其他優(yōu)點(diǎn):4.壽命長:一個(gè)仔細(xì)設(shè)計(jì)的LED日光燈的壽命可以達(dá)到5萬小時(shí)。而一個(gè)熒光燈的壽命通常只有5, 000小時(shí)(有些國產(chǎn)的熒光燈壽命只有300小時(shí))。二者相差將近10倍。比較好的長壽命日光燈也只有10,000小時(shí)，二者也還相差5倍。5.不含汞，無污染。我們知道，熒光燈都含有汞。36mm熒光燈中含有25-45mg的汞，山東飛利浦led投光燈，26mm (T8) 中含有20mg的汞。交通信號(hào)燈主要用超高亮度紅，山東飛利浦led投光燈、綠，山東飛利浦led投光燈、黃色LED,因?yàn)椴捎肔ED信號(hào)燈既節(jié)能，可靠性又高。山東飛利浦led投光燈</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東飛利浦led投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781071572266/5060107.png"></div><p style="text-indent:25px">有些元器件是因?yàn)樽陨韮?nèi)部的接觸不良，也有元器件互連時(shí)的接觸不良，也有虛焊（一般為組件與PCB）產(chǎn)生的不良。下面以zui常見的連接器（接插件）之間的接觸為實(shí)例分析接觸不良問題，之后大家可以觸類旁通。連接器一般是針接觸件和孔接觸件之間的連接。我們知道，元器件的引腳或端子，一般是有一層鍍層，比如鍍鉛錫合金、鍍純錫、鍍鎳、鍍銀、鍍銀鈀合金、鍍金、等等。所以組件之間的接觸，其實(shí)就是這些鍍層金屬之間的接觸。當(dāng)然，不同的鍍層金屬的導(dǎo)電率是不同的，對(duì)應(yīng)產(chǎn)生的接觸電阻也有所不同。山東飛利浦led投光燈失效率：由于全彩顯示屏由上萬甚至幾十萬組紅、綠、藍(lán)三種LED組成的像素點(diǎn)組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東飛利浦led投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781212353516/4466745.png"></div><p style="text-indent:25px">CE包含的另外一部分是電磁兼容指令，主要是指EMC，電磁干擾和抗干擾，這部分比較難達(dá)到。區(qū)分是否通過CE認(rèn)證得產(chǎn)品，看電源輸入部分就能看出，輸入帶濾波電容和環(huán)形共模電感的，就可能通過CE的產(chǎn)品，如果沒有共模電感說通過CE,肯定是騙人的。太陽能LED路燈的設(shè)計(jì)方法與安裝角度計(jì)算摘錄時(shí)間:2011-3-16 9:25:24安徽林敏照明科技有限公司161系統(tǒng)介紹1.1系統(tǒng)基本組成簡(jiǎn)介系統(tǒng)由太陽能電池組件部分(包括支架)、LED燈頭、控制箱(內(nèi)有控制器、蓄電池)和燈桿幾部分構(gòu)成</p><p> 投光燈是指定被照面上的照度高于周圍環(huán)境的燈具。又稱聚光燈。通常，它能夠瞄準(zhǔn)任何方向，并具備不受氣候條件影響的結(jié)構(gòu)。主要用于大面積作業(yè)場(chǎng)礦、建筑物輪廓、體育場(chǎng)、立交橋、紀(jì)念碑、公園和花壇等。因此，幾乎所有室外使用的大面積照明燈具都可看作投光燈。投光燈的出射光束角度有寬有窄，變化范圍在0°～180°之間，其中光束特別窄的稱為探照燈。投光燈[1]由光學(xué)部件、機(jī)械部件和電氣部件3部分組成。光學(xué)部件主要是反射器和限制光線投光燈的遮光格片。機(jī)械部件主要是外殼，以及固定和調(diào)整光源位置的調(diào)焦機(jī)構(gòu)，固定燈具的支架、基座和帶有角度指示的調(diào)整燈具光束投射方向的零件。對(duì)絕大部分為密閉式的投光燈，機(jī)械部件還有保護(hù)玻璃及各種密封圈。根據(jù)使用環(huán)境的需要，有的還帶有金屬網(wǎng)罩。性能良好的投光燈還配有空氣過濾器。電氣部件主要是鎮(zhèn)流器、電容器、觸發(fā)器（根據(jù)光源需要而設(shè)）等。 LED顯示屏的高技術(shù)要求是未來的發(fā)展趨勢(shì)，LED顯示屏的高質(zhì)量要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東飛利浦led投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781495341797/4514745.png"></div><p style="text-indent:25px">LED三防燈性能優(yōu)點(diǎn) 1、節(jié)能:同等功率的LED燈耗電*為白熾燈的10%，比日光燈還要節(jié)能，不發(fā)燙,防油,防塵.2、壽命長:LED燈珠的可以工作5萬小時(shí)，比日光燈和白熾燈都長。3、可調(diào)光:以前的調(diào)光器一直是針對(duì)白熾燈的，白熾燈調(diào)暗時(shí)光線.發(fā)紅;很難見到日光燈調(diào)光器，這是調(diào)光技術(shù)很多年沒有發(fā)展的主要原因;現(xiàn)在LED又可以調(diào)光了，并且無論是亮還是暗光都是同樣的顏**溫基本不變)，這一點(diǎn)明顯優(yōu)于白熾燈的調(diào)光。4可頻繁開關(guān): LED的壽命是按點(diǎn)亮?xí)r算的，即便每秒鐘開關(guān)數(shù)千次也不影響LED壽命，在裝飾等需要頻繁亮滅的場(chǎng)合，LED燈有***優(yōu)勢(shì)。一致性：全彩顯示屏是由無數(shù)個(gè)紅、綠、藍(lán)LED組成的像素拼成的，每種顏色LED的亮度。山東飛利浦led投光燈</p><p style="text-indent:25px">如存在不正確操作引起燈珠不亮，則重新焊接led燈珠一般即可解決。山東飛利浦led投光燈</p><p style="text-indent:25px">LED的發(fā)光亮度正比于PWM的脈沖占空比，在這種調(diào)光控制方法下，可以在高度調(diào)光比范圍內(nèi)保持LED的發(fā)光顏色不變，采用PWM的LED調(diào)光控制的調(diào)光比范圍可達(dá)3000: 1。線性 LED調(diào)光控制方法就是采用模擬調(diào)光控制方法，在模擬調(diào)光控制下，通過調(diào)節(jié)LED的正向工作電流來實(shí)現(xiàn)LED的調(diào)光控制，調(diào)光控制范圍可達(dá)10:1。如果要進(jìn)一步降低LED的正向工作電流則會(huì)產(chǎn)生LED發(fā)光顏色發(fā)生變化和不能準(zhǔn)確調(diào)節(jié)控制LED的正向工作電流的問題。運(yùn)作參數(shù)和效率 - -般zui常見的LED工作功率都是設(shè)定于30至60毫瓦電能以下。山東飛利浦led投光燈</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2901771.html</p></div></div></div></div></div><div id="38bwdfw" class="page-right twoColRt"><div id="kzg3art" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ztfbnea" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="ds7htzg" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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