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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tk33jfw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781071572266/5060107.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="h52bkgs" 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>陜西防水投光燈led,投光燈</p><p><span>***更新：</span>2020-11-04 10:18:55</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="qmon3ej" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="2c7sj2i" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="9mqclri" class="box"><p><p style="text-indent:25px">目前我們國(guó)家有標(biāo)準(zhǔn);GBT19064~2003家用太陽(yáng)能光伏電源系統(tǒng)技術(shù)條件和試驗(yàn)方法對(duì)戶(hù)用光伏電源產(chǎn)品(以下簡(jiǎn)稱(chēng)產(chǎn)品進(jìn)行評(píng)價(jià)。該標(biāo)準(zhǔn)產(chǎn)品部件提出了相關(guān)的技術(shù)要求，對(duì)組裝成一體的產(chǎn)品整體性沒(méi)有評(píng)價(jià)標(biāo)準(zhǔn)。2004年10月，陜西防水投光燈led，IEC頒布了國(guó)際標(biāo)準(zhǔn)I正C62124**光伏系統(tǒng)一設(shè)計(jì)驗(yàn)證(PhotovOItaic(PV1standa1Onesystems—Des_gnvermcation，該標(biāo)準(zhǔn)制定了對(duì)**光伏系統(tǒng)設(shè)計(jì)進(jìn)行驗(yàn)證試驗(yàn)的程序，以及系統(tǒng)設(shè)計(jì)驗(yàn)證的技術(shù)要求，陜西防水投光燈led，陜西防水投光燈led，從而可以對(duì)系統(tǒng)整體性能進(jìn)行評(píng)估。標(biāo)準(zhǔn)的范圍和目的IEC62124標(biāo)準(zhǔn)所包括的技術(shù)性能測(cè)試方法和程序適用于**光伏發(fā)電系統(tǒng)。故藍(lán)、綠色LED在顯示屏設(shè)計(jì)時(shí)盡量不要用到20mA電流，比較好只用70%至80%的額定電流。陜西防水投光燈led</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西防水投光燈led,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781071572266/5060107.png"></div><p style="text-indent:25px">LED三防燈的特長(zhǎng) 顏色豐富:有正白光、曖白光、紅、綠、藍(lán)等各種顏色，無(wú)論是客廳里大燈旁用于點(diǎn)綴的小彩燈還是霓虹燈，都很鮮艷。發(fā)熱量低:像射燈，很多220V的射燈用不也幾天就壞掉就是因?yàn)榘l(fā)熱。12V 鹵素射燈發(fā)熱量雖低于220V的射燈，但又有因所配變壓器功率不足等原因，其亮度達(dá)不到標(biāo)稱(chēng)值。用LED射燈，不用變壓器也可以長(zhǎng)時(shí)間工作缺點(diǎn):開(kāi)發(fā)成本較高。價(jià)格相對(duì)傳統(tǒng)燈來(lái)說(shuō)價(jià)格較貴!但是LED作為--種新型的綠色光源產(chǎn)品，必然是未來(lái)發(fā)展的趨勢(shì)，21世紀(jì)將進(jìn)入以L(fǎng)ED為**的新型照明光源時(shí)代。陜西防水投光燈led來(lái)看看我們操作的led 頂燈在操作時(shí)有沒(méi)有進(jìn)行正確的連接。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西防水投光燈led,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781613906250/8543994.png"></div><p style="text-indent:25px">一般都要用串、并聯(lián)來(lái)聯(lián)接，來(lái)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(gè)LED燈內(nèi)部連線(xiàn)開(kāi)路，將造成該串聯(lián)電路的整串LED燈不亮，可見(jiàn)這種情況比第一種情況要嚴(yán)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(wèn)題。下面是對(duì)造成死燈的一些原因作一些分析探討1、靜電對(duì)LED芯片造成損傷，使LED芯片的PN結(jié)失效，漏電流增大，變成一個(gè)電阻</p><p style="text-indent:25px">在一些24小時(shí)連續(xù)工作的場(chǎng)地，例如地下停車(chē)場(chǎng)、24小時(shí)加班生產(chǎn)的工廠等地方。節(jié)電也是十分重要的。如上所述，- -根T8的LED日光燈大約可以節(jié)省20瓦電，一年下來(lái)就可以節(jié)省20x365x24/1000=175.2度電。假如以每度電0. 7元計(jì)算，那么一年下來(lái)，可以節(jié)省電費(fèi)122.64元，兩年下來(lái)，就可以節(jié)省出這根LED日光燈的成本。以后所節(jié)省的電費(fèi)就成為純收益了。所以現(xiàn)在國(guó)外有一種稱(chēng)之為EMC (能源管理合同Energy ManagementContract)作法。就是由一家財(cái)團(tuán)或銀行出資。替一個(gè)地下停車(chē)場(chǎng)或商場(chǎng)**安裝LED日光燈，但是要向業(yè)主收取所有節(jié)省下來(lái)的電費(fèi)，協(xié)議有效期可能為5年。只要2年以后，就可以回收所有投資，第三年開(kāi)始，所有節(jié)省下來(lái)的電費(fèi)就變成是純收益了。這是一個(gè)十分有利的投資項(xiàng)目。國(guó)內(nèi)也開(kāi)始有人這樣做了。更何況按照Haitz定律，LED的價(jià)格每十年將降低十倍!一般來(lái)說(shuō)，LED的人體靜電模式測(cè)試失效電壓不應(yīng)低于2000V。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西防水投光燈led,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781968994141/3260429.png"></div><p style="text-indent:25px">根據(jù) 發(fā)光二極管出光處摻或不摻散射劑、有色還是無(wú)色，上述各種顏色的發(fā)光二極管還可分成有色透明、無(wú)色透明、有色散射和無(wú)色散射四種類(lèi)型。散射型發(fā)光二極管和達(dá)于做指示燈用。2、按發(fā)光管出光面特征分―按發(fā)光管出光面特征分圓燈、方燈、矩形、面發(fā)光管、側(cè)向管、表面安裝用微型管等。圓形燈按直徑分為p2mm.p4.4mm、5mm、8mm、p10mm及 p20mm等。困外通常把p3mm 的發(fā)光二極管記作T-1;把5mm的記作T-1(3/4）﹔把q4.4mm的記作T-1 (1/4）。由半值角大小可以估計(jì)圓形發(fā)光強(qiáng)度角分布情況。看焊點(diǎn)。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。浙江led戶(hù)外投光燈鎮(zhèn)流器</p><p style="text-indent:25px">我國(guó)即是LED器件的生產(chǎn)大國(guó)，也是LED顯示屏制做的聚集地。陜西防水投光燈led</p><p style="text-indent:25px">頂多影響接觸電阻（當(dāng)然更進(jìn)一步來(lái)說(shuō)還影響到了是否容易被氧化)，所以不再更詳細(xì)地討論。關(guān)于連接器的接觸壓力，連接器靠的是孔接觸件的彈力來(lái)給針接觸件一定的壓力的。一般壓力越大接觸得也越好。當(dāng)然，一般小而又薄的孔接觸件是不太可能提供特大的壓力的。而且如果這個(gè)孔接觸件本身的彈性不好，頂多影響接觸電阻（當(dāng)然更進(jìn)一步來(lái)說(shuō)還影響到了是否容易被氧化)，所以不再更詳細(xì)地討論。關(guān)于連接器的接觸壓力，連接器靠的是孔接觸件的彈力來(lái)給針接觸件一定的壓力的。一般壓力越大接觸得也越好。當(dāng)然，一般小而又薄的孔接觸件是不太可能提供特大的壓力的。而且如果這個(gè)孔接觸件本身的彈性不好陜西防水投光燈led</p><p style="text-indent:25px">上海先盛照明電器有限公司是一家照明電器、五金交電、勞防用品、機(jī)電設(shè)備批發(fā)零售；照明電器設(shè)計(jì)、安裝。的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷(xiāo)售為一體的專(zhuān)業(yè)化公司。上海先盛照明深耕行業(yè)多年，始終以客戶(hù)的需求為向?qū)?，為客?hù)提供***的投光燈，三防燈，筒射燈，燈管。上海先盛照明始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。上海先盛照明始終關(guān)注照明工業(yè)行業(yè)。滿(mǎn)足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1846051.html</p></div></div></div></div></div><div id="a5d7j3p" class="page-right twoColRt"><div id="g9njvmy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pl8gxok" 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 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