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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>吉林白光投光燈性能,投光燈</p><p><span>***更新：</span>2020-11-05 10:16:51</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="3nkuq87" 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="n77lskr" class="page-proshow02"><p class="title">詳細說明</p><div id="yv3pc8m" class="box"><p><p style="text-indent:25px">一般都要用串、并聯(lián)來聯(lián)接，來適應(yīng)不同的工作電壓，串聯(lián)的LED燈越多影響越大，只要其中有一個LED燈內(nèi)部連線開路，將造成該串聯(lián)電路的整串LED燈不亮，可見這種情況比第一種情況要嚴重的多。LED死燈是影響產(chǎn)品質(zhì)量、可靠性的關(guān)健，如何減少和杜絕死燈，提高產(chǎn)品質(zhì)量和可靠性，是封裝、應(yīng)用企業(yè)需要解決的關(guān)鍵問題。下面是對造成死燈的一些原因作一些分析探討1、靜電對LED芯片造成損傷，使LED芯片的PN結(jié)失效，吉林白光投光燈性能，吉林白光投光燈性能，漏電流增大，吉林白光投光燈性能，變成一個電阻廣泛應(yīng)用于各種室內(nèi)、戶外顯示屏，分為全色、三色和單色顯示屏，全國有100多個單位在開發(fā)生產(chǎn)。吉林白光投光燈性能</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林白光投光燈性能,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781919140625/8831194.png"></div><p style="text-indent:25px">[3528]具有改善亮度的SMD二極管支架結(jié)構(gòu) 一種具有改善亮度的SMD二極管支架結(jié)構(gòu)及封裝構(gòu)造,包括膠體及多個金屬支架，膠體兩端形成功能區(qū)及凹槽，金屬支架各具有位于膠體中的基部，及延伸出膠體外的接腳部，且基部頂、底面顯露于功能區(qū)及凹槽以形成二極管支架結(jié)構(gòu)。功能區(qū)內(nèi)的基部頂面可固LED芯片，另- -基部底面可固接靜電防護芯片，而LED芯片、靜電防護芯片及基部_上連接有導(dǎo)線，且功能區(qū)覆蓋有***封膠，凹槽覆蓋有第二封膠，以構(gòu)成二極管封裝構(gòu)造。通過LED芯片固接于功能區(qū)內(nèi)，而靜電防護芯片固接于凹槽內(nèi)，使LED芯片的光線能均勻的于功能區(qū)內(nèi)反射，達到提升亮度均勻化的效果。江西專業(yè)投光燈垂直視角50°;的橢圓LED，戶內(nèi)顯示屏則選用水平垂直均為120°;</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林白光投光燈性能,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781495341797/4514745.png"></div><p style="text-indent:25px">隔離/非隔離:一般隔離電源如做成15W，放在LED燈管內(nèi)，其變壓器體積很大，很難放進去。尤其對T6/T8燈管，幾乎不可能的，所以隔離的一般只能做到10W,超過10W的很少，并且價格很貴。所以，隔離的性價比不高，一般是非隔離的占主流較多，體積可以做得更小，zui小可以做到高8毫米，實際上，非隔離的安全措施做好了，是不存在問題的。電源效率與功率因素:功率因素是有功功率和總功率的比值(C，剩下的無功功率在電網(wǎng)中相互轉(zhuǎn)化，用戶的電表不會計量無功功率的，對用戶的電表沒任何影響，只是供電局收不到用戶無功功率的錢。</p><p style="text-indent:25px">試驗需要同一型號的系統(tǒng)抽取兩個樣品，如果有一個系統(tǒng)在任何一種試驗中不合格，那么另一滿足標準要求的系統(tǒng)將重新接受整個相關(guān)試驗。如果這一系統(tǒng)也不合格那么該設(shè)計將被認為達不到驗證要求。系統(tǒng)性能試驗系統(tǒng)性能試驗共分為三個階段:預(yù)處理、性能試驗、zui大電壓時負載運行的適用性。試驗需要同一型號的系統(tǒng)抽取兩個樣品，如果有一個系統(tǒng)在任何一種試驗中不合格，那么另一滿足標準要求的系統(tǒng)將重新接受整個相關(guān)試驗。如果這一系統(tǒng)也不合格那么該設(shè)計將被認為達不到驗證要求。系統(tǒng)性能試驗系統(tǒng)性能試驗共分為三個階段:預(yù)處理、性能試驗、zui大電壓時負載運行的適用性?？春更c。正規(guī)的LED燈帶廠家生產(chǎn)的LED燈帶是采用SMT貼片工藝，用錫膏和回流焊工藝生產(chǎn)的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林白光投光燈性能,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781652041016/5513893.png"></div><p style="text-indent:25px">通過施加一個PWM信號來控制LED亮度的做法允許不改變彩色的情況下完成LED的調(diào)光。人們常說的真正彩色(TrueColor)PWM調(diào)光是利用-一個PWM信號來調(diào)節(jié)LED的亮度。調(diào)節(jié)LED亮度有三種常用方法:(1)使用SET電阻，在LED驅(qū)動控制IC引腳RSET兩端并聯(lián)不同的轉(zhuǎn)換電阻，使用一個直流電壓設(shè)置LED驅(qū)動控制IC引腳RSET的電流，從而改變LED的正向工作電流，達到調(diào)節(jié)ALED(2)采用PWM技術(shù)，利用PWM控制信號，通過控制LED的正向工作電流的.占空比來調(diào)節(jié)AL .ED的發(fā)光亮度。<span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"><span style="display:none;"></span></span></span></span></span></span></span></span></span>視角的圓形LED就夠了。浙江投光燈鎮(zhèn)流器</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。吉林白光投光燈性能</p><p style="text-indent:25px">我們要為太陽能電池組件選擇一個zui佳傾角。關(guān)于太陽能電池組件zui佳傾角問題的探討，近年來在一些學(xué)術(shù)刊物上出現(xiàn)得不少。本次路燈使用地區(qū)為廣州地區(qū)，依據(jù)本次設(shè)計參考相關(guān)文獻中的資料[1]，選定太陽能電池組件支架傾角為160。2.3.2抗風(fēng)設(shè)計在太陽能路燈系統(tǒng)中，結(jié)構(gòu)上一個需要非常重視的問題就是抗風(fēng)設(shè)計?？癸L(fēng)設(shè)計主要分為兩大塊，一為電池組件支架的抗風(fēng)設(shè)計，二為燈桿的抗風(fēng)設(shè)計。下面按以上兩塊分別做分析。(1)太陽能電池組件支架的抗風(fēng)設(shè)計依據(jù)電池組件廠家的技術(shù)參數(shù)資料，太陽能電池組件可以承受的迎風(fēng)壓強為2700Pa。吉林白光投光燈性能</p><p style="text-indent:25px">上海先盛照明電器有限公司致力于照明工業(yè)，以科技創(chuàng)新實現(xiàn)***管理的追求。公司自創(chuàng)立以來，投身于投光燈，三防燈，筒射燈，燈管，是照明工業(yè)的主力軍。上海先盛照明始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。上海先盛照明始終關(guān)注照明工業(yè)市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1860310.html</p></div></div></div></div></div><div id="afchya8" class="page-right twoColRt"><div id="n8f3ax7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="han9cuw" class="recomPic likePro"><a 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