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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>江西大功率投光燈燈具,投光燈</p><p><span>***更新：</span>2020-09-23 17:16:51</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="gvczd38" 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</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="d7dqv29" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wkr2urq" class="box"><p><p style="text-indent:25px">有些元器件是因為自身內(nèi)部的接觸不良，也有元器件互連時的接觸不良，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，江西大功率投光燈燈具、鍍金、等等。所以組件之間的接觸，其實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，對應(yīng)產(chǎn)生的接觸電阻也有所不同。廣泛應(yīng)用于各種室內(nèi)、戶外顯示屏，江西大功率投光燈燈具，江西大功率投光燈燈具，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)。江西大功率投光燈燈具</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西大功率投光燈燈具,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781175878906/6687908.png"></div><p style="text-indent:25px">由于銅材較貴，成本自然就高，受市場激烈竟?fàn)幰蛩赜绊懀瑸榱私?*造成本，市場大多都采用冷軋低碳鋼帶來沖壓LED支架徘，鐵的支架排要經(jīng)過鍍銀，鍍銀有兩個作用，一是為了防止氧化生銹，二是方便焊接，支架排的電鍍質(zhì)量非常關(guān)鍵，它關(guān)系到LED的壽命，在電鍍前的處理應(yīng)嚴(yán)格按操作規(guī)程進(jìn)行，除銹、除油、磷化等工序應(yīng)一絲不茍，電鍍時要控制好電流，鍍銀層厚度要控制好，鍍層太厚成本高，太薄影響質(zhì)量。電鍍時要控制好電流，鍍銀層厚度要控制好，鍍層太厚成本高，太薄影響質(zhì)量。安徽投光燈批發(fā)廠家按1000小時常溫點(diǎn)亮20mA標(biāo)準(zhǔn)，紅色衰減應(yīng)小于2%，藍(lán)、綠色衰減應(yīng)小于10%。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西大功率投光燈燈具,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781071572266/5060107.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，比日光燈和白熾燈都長。3、可調(diào)光:以前的調(diào)光器一直是針對白熾燈的，白熾燈調(diào)暗時光線.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合，LED燈有***優(yōu)勢。</p><p style="text-indent:25px">互相制約，還和產(chǎn)品的輸出電流有關(guān)，要提高效率，輸出盡量高電壓，小電流。一般公司的內(nèi)控標(biāo)準(zhǔn)一般是功率因素0.80-0.90，效率是0.82-0.90。一般現(xiàn)有的客戶在功率因素和效率取舍時，一般傾向于提高效率為主，功率因素達(dá)到0.80以上即可以。10.尺寸:高度是限制的主要因素，一般用于T6管/T8的尺寸要求高度不能太高≤9毫米。T10 管的高度≤15毫米。11. CE認(rèn)證:目前LED日光燈用于出口較多，國外一般都要求達(dá)到CE認(rèn)證。CE包含兩部分內(nèi)容，一是低電壓指令，主要是絕緣和耐高壓性能，一般都能達(dá)到由于LED是有角度的，故全彩LED顯示屏同樣具有角度方向性，即在不同角度觀看時，其亮度是會遞增或遞減的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西大功率投光燈燈具,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781448710938/2265050.png"></div><p style="text-indent:25px">LED三防燈的特長顏色豐富:有正白光、曖白光、紅、綠、藍(lán)等各種顏色，無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為發(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)稱值。用LED射燈，不用變壓器也可以長時間工作缺點(diǎn):開發(fā)成本較高。價格相對傳統(tǒng)燈來說價格較貴!但是LED作為--種新型的綠色光源產(chǎn)品，必然是未來發(fā)展的趨勢，21世紀(jì)將進(jìn)入以LED為**的新型照明光源時代。如果是，這種情況也容易造成Led燈珠不亮，解決方法是選擇合適的恒流的電源。上海批發(fā)投光燈批發(fā)廠家</p><p style="text-indent:25px">紅、綠、藍(lán)LED亮度衰減幅度的不一致會造成LED顯示屏顏色的不一致，就是我們常說的顯示屏花了的現(xiàn)象。江西大功率投光燈燈具</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)場礦、建筑物輪廓、體育場、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。江西大功率投光燈燈具</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)，是一家貿(mào)易型的公司。上海先盛照明致力于為客戶提供良好的投光燈，三防燈，筒射燈，燈管，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事照明工業(yè)多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。上海先盛照明立足于全國市場，依托強(qiáng)大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1394044.html</p></div></div></div></div></div><div id="bqxebnk" class="page-right twoColRt"><div id="pzbnkb3" class="box01 margin10 clearfix"><h3><a 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