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clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_zmgy/">照明工業(yè)</a>?<a href="http://www.cdcfah.com/cp/second-zmgy_snzmdjeh/">室內(nèi)照明燈具</a>?<a href="http://www.cdcfah.com/cp/third-snzmdjeh_tongdengwa/">筒燈</a>?天津大功率投光燈led 歡迎咨詢上海先盛照明電器供應(yīng)</p><div id="7myu7ip" class="leftbox clearfix"><h1>天津大功率投光燈led 歡迎咨詢上海先盛照明電器供應(yīng)</h1><div id="fj2arne" class="proBig"><div id="vzflc7q" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781613906250/8543994.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7jarde7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781613906250/8543994.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="t3jsjvr" 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>天津大功率投光燈led,投光燈</p><p><span>***更新：</span>2020-10-23 11:18:12</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="k4mi8x7" 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="brxzlxt" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="xyjfh3m" class="box"><p><p style="text-indent:25px">關(guān)燈微量一般都是以下幾種原因造成的<span style="display:none;"></span>:<span style="display:none;"></span>1，天津大功率投光燈led、開(kāi)關(guān)控制了零線，天津大功率投光燈led。這是比較常見(jiàn)的一- 種原因，電工接線時(shí)開(kāi)關(guān)控制了零線，或者電箱進(jìn)線時(shí)零火接反。開(kāi)關(guān)控制的是零線，火線依然和燈具連接著，就會(huì)發(fā)出微光。解決辦法:調(diào)整接線，讓開(kāi)關(guān)控制火線。2、雙控開(kāi)關(guān)出現(xiàn)錯(cuò)誤接法雙控開(kāi)關(guān)有好幾種接線方式，如果用了錯(cuò)誤的接法，天津大功率投光燈led，也會(huì)關(guān)燈后微亮。解決方法:安裝正常的控制火線接法重新接線。3、開(kāi)關(guān)帶指示燈，用了電子類開(kāi)關(guān) 開(kāi)關(guān)里面帶指示燈，關(guān)燈后會(huì)有輕微電流流過(guò)。如果燈具使用的是電子開(kāi)關(guān)，例如紅外，聲控，遙控開(kāi)關(guān)。也會(huì)出現(xiàn)關(guān)燈后發(fā)微光現(xiàn)象。<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>一般應(yīng)選擇100度的LED以保證顯示屏足夠的視角。天津大功率投光燈led</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津大功率投光燈led,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781613906250/8543994.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)湖北戶外投光燈具LED器件將是顯示屏整機(jī)中比較耐用的部件之一。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津大功率投光燈led,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781968994141/3260429.png"></div><p style="text-indent:25px">這種現(xiàn)象屢見(jiàn)不鮮。有些小企業(yè)采用手工焊接，使用40瓦普通烙鐵，焊接溫度無(wú)法控制，烙鐵溫度在300-400°℃以上，過(guò)高的焊接溫度也會(huì)造成死燈，LED引線在高溫下膨脹系數(shù)比在150℃左右的膨脹系數(shù)高好幾倍，內(nèi)部的金絲焊點(diǎn)會(huì)因?yàn)檫^(guò)大的熱脹冷縮將焊接點(diǎn)拉開(kāi)，造成死燈現(xiàn)象。2、LED燈內(nèi)部連線焊點(diǎn)開(kāi)路造成死燈現(xiàn)象的原因分析2.1封裝企業(yè)生產(chǎn)工藝不建全，來(lái)料檢驗(yàn)手段落后，是造成LED死燈的直接原因，一般采用支架排封裝的LED,支架排是采用銅或鐵金屬材料經(jīng)精密模具沖壓而成</p><p style="text-indent:25px">由于銅材較貴，成本自然就高，受市場(chǎng)激烈竟?fàn)幰蛩赜绊?，為了?*造成本，市場(chǎng)大多都采用冷軋低碳鋼帶來(lái)沖壓LED支架徘，鐵的支架排要經(jīng)過(guò)鍍銀，鍍銀有兩個(gè)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(shí)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(shí)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。按1000小時(shí)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="天津大功率投光燈led,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781212353516/4466745.png"></div><p style="text-indent:25px">工作原理介紹系統(tǒng)工作原理簡(jiǎn)單，利用光生伏***應(yīng)原理制成的太陽(yáng)能電池白天太陽(yáng)能電池板接收太陽(yáng)輻射能并轉(zhuǎn)化為電能輸出，經(jīng)過(guò)充放電.控制器儲(chǔ)存在蓄電池中，夜晚當(dāng)照度逐漸降低至10lux左右、太陽(yáng)能電池板開(kāi)路電壓4.5V左右，充放電控制器偵測(cè)到這一電壓值后動(dòng)作，蓄電池對(duì)燈頭放電。蓄電池放電8.5小時(shí)后，充放電控制器動(dòng)作，蓄電池放電結(jié)束。充放電控制器的主要作.用是保護(hù)蓄電池。2系統(tǒng)設(shè)計(jì)思想太陽(yáng)能路燈的設(shè)計(jì)與一般的太陽(yáng)能照明相比，基本原理相同，但是需要考慮的環(huán)節(jié)更多。檢查led燈珠的電流，查看led燈珠兩端的電流，是否超過(guò)Led燈珠的工作電流。批發(fā)投光燈批發(fā)</p><p style="text-indent:25px">這樣進(jìn)行正確的解決就可以了，希望我們的介紹可以幫助大家。天津大功率投光燈led</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。天津大功率投光燈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，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。上海先盛照明深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的投光燈，三防燈，筒射燈，燈管。上海先盛照明致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。上海先盛照明始終關(guān)注照明工業(yè)市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1676443.html</p></div></div></div></div></div><div id="uyul7hq" class="page-right twoColRt"><div id="sbcoaws" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cl8jamt" class="recomPic 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