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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇戶(hù)外投光燈具,投光燈</p><p><span>***更新：</span>2020-11-19 05:10:12</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="urm7pbv" 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="lpbyvs3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="esurtvk" class="box"><p><p style="text-indent:25px">LED三防燈具本質(zhì)就是一款T8三防燈具，只是接線不同，不配鎮(zhèn)流器，直接安裝相同規(guī)格的LED日光燈就可以了，LED日光燈，作為未來(lái)zui有競(jìng)爭(zhēng)力的光源，以其節(jié)能，壽命長(zhǎng)，無(wú)污染，江蘇戶(hù)外投光燈具，在綠色低碳環(huán)保節(jié)能照明中，具有舉足輕重的地位。管中管三防燈具，原理和LED三防燈具是一樣的，只是管中管是一.款新式的設(shè)計(jì)的節(jié)能光源產(chǎn)品，內(nèi)罩了高效的光反片，光的利用率更高，成本比LED低得多，江蘇戶(hù)外投光燈具，江蘇戶(hù)外投光燈具，是一款性?xún)r(jià)比極高的光源之一，在LED日光燈還未完全成熟前，是一.款理想的過(guò)渡產(chǎn)品。三防燈具安裝.1.安裝:吸頂或吊裝2. PG防水接頭(PG13. 5)對(duì)于LED顯示屏的品質(zhì)影響起著主導(dǎo)作用。江蘇戶(hù)外投光燈具</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇戶(hù)外投光燈具,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781652041016/5513893.png"></div><p style="text-indent:25px">度發(fā)光的，而在反方向發(fā)出的光就沒(méi)有什么用處。所以熒光燈通常采用一個(gè)白色的燈罩，可以把相當(dāng)一部分的反向光反射回來(lái)，一般來(lái)說(shuō)，熒光燈的燈具效率大約只有70%。而LED日光燈則是120度發(fā)光的，所以全部光都是有效光。雖然有時(shí)候也會(huì)覺(jué)得120度發(fā)光角度窄了一點(diǎn)，不過(guò)大多數(shù)情況下還是夠用的。而且這個(gè)發(fā)光角度也是可以根據(jù)需要來(lái)加以調(diào)整的。前面提到Philips的T8熒光燈的發(fā)光效率為721m/W，36W的熒光燈一共發(fā)出2592流明，但是燈具效率只有70%，所以有效的流明數(shù)為1814.4遼寧專(zhuān)業(yè)投光燈批發(fā)視角：LED顯示屏的視角取決于LED燈珠的視角。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇戶(hù)外投光燈具,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781968994141/3260429.png"></div><p style="text-indent:25px">而效率(y則是輸出功率和輸入功率的比值，即輸出功率(輸出LED的電壓*輸出電流/輸入功率，這個(gè)參數(shù)尤為重要，涉及到產(chǎn)品和用戶(hù)的利益，如果效率低就意味著輸入功率有很大一部分轉(zhuǎn)化為熱量散發(fā)出來(lái);如果是裝在燈管內(nèi)就會(huì)產(chǎn)生一個(gè)很高的溫度，再加.上我們LED的一個(gè)光效比所散發(fā)熱.量，就會(huì)疊加產(chǎn)生更高的溫度。而我們的電源內(nèi)部所有電子零件的壽命都會(huì)隨溫度的上升而縮短.效率高，轉(zhuǎn)化成光的效率就高，而且電源和燈管的發(fā)熱就會(huì)減少，相當(dāng)于省電，產(chǎn)品性能和壽命會(huì)提高。所以說(shuō)效率是決定電源壽命zui根本的因數(shù)，效率不能太低，否則消耗在電源上的熱量太大。一般在0.8-0.9以上就可以了。功率因素，效率這兩個(gè)指標(biāo)有時(shí)會(huì)</p><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(jiàn)的連接器（接插件）之間的接觸為實(shí)例分析接觸不良問(wèn)題，之后大家可以觸類(lèi)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。LED燈珠作為L(zhǎng)ED顯示屏成本頗高、用量頗大的元器件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇戶(hù)外投光燈具,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269782039189453/4436063.png"></div><p style="text-indent:25px">尤其是09年剛剛新起的維達(dá)U盤(pán)LED控制卡目前使用的zui多，維達(dá)∪盤(pán)LED控制卡可用串口連接電腦，也可用U盤(pán)傳遞信息，省電腦、免布線、支持模擬時(shí)鐘、流水邊框，維達(dá)U盤(pán)LED控制卡適合各種室內(nèi)外顯示屏，上市以來(lái)深受全國(guó)各地LED顯示屏廠商喜愛(ài)?？刂瓶?nbsp;LED顯示屏發(fā)展到今己逐步走入民用化，如各種店面用的門(mén)頭屏、室內(nèi)外的各種方形屏和其他的各種條型屏等。目前要配顯示屏必須要配接一臺(tái)電腦來(lái)更新內(nèi)容，這使得很大一部分用戶(hù)特別是廣告用戶(hù)更新節(jié)目困難。壽命：LED器件的理論壽命為10萬(wàn)小時(shí)，遠(yuǎn)大于LED顯示屏其它部件的工作壽命。湖北大功率投光燈</p><p style="text-indent:25px">LED亮度越高，使用電流的余量越大，對(duì)節(jié)省耗電、保持LED穩(wěn)定有好處。江蘇戶(hù)外投光燈具</p><p style="text-indent:25px">按發(fā)光強(qiáng)度和工作電流分―按發(fā)光強(qiáng)度和工作電流分有普通亮度的LED（發(fā)光強(qiáng)度100mcd）;把發(fā)光強(qiáng)度在10～100mcd間的叫高亮度發(fā)光二極管。一般LED的工作電流在十幾mA至幾十mA，而低電流LED的工作電流在2mA 以下（亮度與普通發(fā)光管相同）。除上述分類(lèi)方法外，還有按芯片材料分類(lèi)及按功能分類(lèi)的方法。LED應(yīng)用于路燈有先天優(yōu)勢(shì)和劣勢(shì) 一、優(yōu)勢(shì)在于:***，LED作為點(diǎn)光源，如果設(shè)計(jì)合理，很大程度上可以直接解決傳統(tǒng)球狀光源必須依靠光發(fā)射來(lái)解決的二次取光及光損耗問(wèn)題;―第二，對(duì)光照射面的均勻度可控。江蘇戶(hù)外投光燈具</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。公司業(yè)務(wù)涵蓋投光燈，三防燈，筒射燈，燈管等，價(jià)格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于照明工業(yè)行業(yè)的發(fā)展。上海先盛照明立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶(hù)的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2051620.html</p></div></div></div></div></div><div id="qxuwdpm" class="page-right twoColRt"><div id="f8dvxul" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2qspbd3" 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" 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