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class="proBig"><div id="c9felnp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432972958169934/4335734.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pb32yvx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432972958169934/4335734.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="u4crlfr" 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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖南LED全彩大屏哪里有,大屏</p><p><span>***更新：</span>2021-02-01 00:29:19</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="uq3ikrt" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">四川從輝科技有限公司</a></p><p><span>聯(lián)系人：</span>陳經(jīng)理</p><p><span>郵箱: </span>3008191786@qq.com</p><p><span>電話: </span>15828411403</p><p><span>傳真: </span>028_</p><p><span>網(wǎng)址: </span>http://www.scchled.com</p><p><span>手機: </span>028-83528456</p><p><span>地址: </span>四川省成都市成華區(qū)崔家店路576號1棟6層20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="q9o8khj" class="page-proshow02"><p class="title">詳細說明</p><div id="kwnkmeq" class="box"><p><p> 一、局部“死燈”問題 </p> <p> 局部“死燈”是指LED大屏的燈面上有一顆或者幾顆燈不亮，這種不亮區(qū)分為全時不亮和部分顏色不亮，一般這種情況是燈本身出現(xiàn)了問題，要么是受潮，要么是RGB芯片損壞，我們維修的方法很簡單，就是用工廠配的LED燈珠備品換上即可，那么使用的工具就是鑷子，換上備品LED燈珠以后，用測試卡重新測試一遍，沒有問題就是已經(jīng)修好了。 </p> <p> 二、“毛毛蟲”問題 </p> <p> “毛毛蟲”只是一個比喻的說法，系指LED大屏在通電條件下而沒有輸入源的時候，部分燈面出現(xiàn)一長條的暗亮條的現(xiàn)象，且以紅色居多。出現(xiàn)這種現(xiàn)象的根本原因是燈內(nèi)部芯片漏電，或者背后的IC面行管線路短路，前者為大多數(shù)。一般出現(xiàn)這種情況，我們只需要拿著熱風(fēng)機沿著漏電的這一條變色“毛毛蟲”吹熱風(fēng)，當吹到有問題的那顆燈，一般就OK了，因為受熱使得內(nèi)部漏電的芯片連接澎開了，但是仍然存在隱患，我們只需要找到漏電的那顆LED燈珠，按照上面講到的方法，把這顆隱患燈珠換掉就OK。如果是背后IC面的行管線路短路，湖南LED全彩大屏哪里有，就需要使用萬用表具體測量一下相關(guān)的IC針腳電路，湖南LED全彩大屏哪里有，換一顆新的IC即可。隨著LED戶外大屏的越來越廣，湖南LED全彩大屏哪里有，人們已經(jīng)不止?jié)M足于簡單的二維平面，更希望真實地還原現(xiàn)實世界的三維信息。湖南LED全彩大屏哪里有</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南LED全彩大屏哪里有,大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432972958169934/4335734.png"></div><p> 二、開關(guān)LED大屏注意事項： </p> <p> 1、開關(guān)順序： </p> <p> 開屏?xí)r：先開機，后開屏。 </p> <p> 關(guān)屏?xí)r：先關(guān)屏，后關(guān)機 </p> <p> (先關(guān)計算機不關(guān)LED大屏，會造成屏體出現(xiàn)高亮點，led燒毀燈管，后果嚴重。) </p> <p> 2、開關(guān)屏?xí)r間隔時間要大于5分鐘。 </p> <p> 3、計算機進入工程控制軟件后，方可開屏通電。 </p> <p> 4、避免在全白屏幕狀態(tài)下開屏，因為此時系統(tǒng)的沖擊電流比較大。 </p> <p> 5、避免在失控狀態(tài)下開屏，因為此時系統(tǒng)的沖擊電流比較大。 </p> <p> A 計算機沒有進入控制軟件等程序； </p> <p> B 計算機未通電； </p> <p> C 控制部分電源未打開。 </p> <p> 6、環(huán)境溫度過高或散熱條件不好時，led照明應(yīng)注意不要長時間開屏。 </p> <p> 7、電子顯示屏體一部分出現(xiàn)一行非常亮?xí)r，應(yīng)注意及時關(guān)屏，在此狀態(tài)下不宜長時間開屏。 </p> <p> 8、經(jīng)常出現(xiàn)LED大屏的電源開關(guān)跳閘，應(yīng)及時檢查屏體或更換電源開關(guān)。 </p> <p> 9、定期檢查掛接處的牢固情況。如有松動現(xiàn)象，注意及時調(diào)整，重新加固或更新吊件。 </p> <p> 10、根據(jù)大屏幕顯示屏屏體、控制部分所處環(huán)境情況，避免蟲咬，必要時應(yīng)放置防鼠藥。 </p> <p> <br /> 湖南LED全彩大屏哪里有LED大屏市場增長空間來自傳媒廣告、展覽館、景區(qū)、監(jiān)控市場，道路交通等多功能LED大屏市場。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南LED全彩大屏哪里有,大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432972968042921/4297435.png"></div><p> 戶外LED大屏逐步進入“高清”時代，畫面顯示效果和色彩還原尤其重要。決定這些效果的因素除了有均勻性、灰階、刷新率、對比度、色域和色溫之外，還有污垢和灰塵的影響。因此，需定期對戶外LED大屏進行清洗，保證LED大屏的顯示效果。 </p> <p> LED大屏安裝后的清洗為了一段時間過后堆積的灰塵和雜質(zhì)，首先要考慮購買品質(zhì)較出色的清潔套裝，清潔液的成本一般包括電解液，高純度蒸餾水，抗靜電液等，可以有效的清潔LED大屏上的灰塵及其他污印記。一些網(wǎng)友就認為清水也可以，而且還不會影響戶外LED大屏。 </p> <p> <br /> </p> <p> <br /> </p><p> LED大屏跟傳統(tǒng)的電子產(chǎn)品一樣，在使用過程中不*需要注意方法，還需對顯示屏進行保養(yǎng)維護，才能使LED大屏壽命更久。這里常彩電子就為大家來分析下保養(yǎng)LED大屏幕的幾種方法。 </p> <p> 1、保持全彩LED大屏使用環(huán)境的濕度，不要讓任何具有濕氣性質(zhì)的東西進入全彩LED大屏。對含有濕度的全彩顯示屏加電，會導(dǎo)致全彩LED大屏零部件腐蝕，進而造成損壞。 </p> <p> 2、要避免可能碰到的問題，我們可以選擇被動防護與主動防護，盡量把可能對全彩LED大屏造成傷害的物品遠離屏幕，而清潔屏幕的時候也盡可能輕輕地擦拭，把傷害的可能性降到很小。 </p> <p> 3、LED大屏幕與我們用戶的關(guān)系為密切，做好清潔維護工作也是非常有必要的。長時間暴露在戶外環(huán)境風(fēng)吹、日曬、灰塵等易顯臟，一段時間下來，屏幕上肯定是灰塵一片，這需要及時清洗以防塵土長時間包裹表面影響觀看效果。 </p> <p> 4、要求供電電源穩(wěn)定，并接地保護良好，在惡劣的自然條件特別是強雷電天氣下不要使用。 </p> <p> <br /> LED大屏憑借出色的亮度和色彩表現(xiàn)，以及無拼縫的畫面完整性，愈來愈受到市場的青睞。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南LED全彩大屏哪里有,大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432974897832215/8611606.png"></div><p> 3.戶外LED大屏電路芯片選擇 </p> <p> 選用工作溫度-40～80℃的工業(yè)集成電路芯片，防止冬季溫度過低而導(dǎo)致顯示屏啟動 </p> <p> 4.戶外LED大屏安裝通風(fēng)設(shè)備降溫，使屏體內(nèi)部溫度在-10℃～40℃之間。 </p> <p> 戶外LED大屏體背后上方安裝軸流風(fēng)機排出熱量;顯示屏工作時本身就要產(chǎn)生一定的熱量，如果環(huán)境溫度過高而散熱又不良，集成電路可能工作不正常，甚至被燒毀，從而使顯示系統(tǒng)無法正常工作 </p> <p> 5.戶外LED大屏必須選用超高亮度發(fā)光二極管 </p> <p> 為了保證強光下的遠距離可視性，需要選擇超高亮度發(fā)光二極管;增加對比度;觀眾面廣、視距長、視野寬;環(huán)境光變化大，特別是可能的直射光。 </p> <p> 6.戶外LED大屏顯示介質(zhì)選用新型廣視角管 </p> <p> 寬視角、純色、協(xié)調(diào)一致、壽命超過100000小時的顯示介質(zhì)包裝，為目前流行的帶遮沿方形筒體、硅膠密封、非金屬組裝;其外形精美、耐用、具有陽光直射、防塵、防水、耐高溫、短路五大防功能 LED大屏跟傳統(tǒng)的電子產(chǎn)品一樣，在使用過程中需要注意方法，還有對其進行保養(yǎng)維護，才能使LED大屏壽命更久。沈陽監(jiān)控大屏維修</p><p style="text-indent:25px">戶外LED大屏依附于不變的樓體，這一媒介有相當?shù)姆€(wěn)定性和長效性，優(yōu)越于電視廣告和報刊廣告的短時性。湖南LED全彩大屏哪里有</p><p> 三相負載不平衡：很多的安裝LED大屏的工程師并沒有專業(yè)的對于三相負荷平衡的知識概念，因此在接電的時候并沒有注意到要控制三相負荷平衡，只是盲目和隨意的進行電路的接電荷裝配，這在很大程度上造成了三相負荷的不平衡。 </p> <p> 其次，大多數(shù)空調(diào)電路和照明混為一體，所以在特定時間段（例如炎熱天氣）時，*作為單相用電接入，這時作為單相用電的效率就會降低，這樣的差異進一步加劇了配電變壓器三相負荷的不平衡狀況。 </p> <p> <p> 三相不平衡的危害： </p> <p> 1．增加線路的電能損耗。LED大屏大多都是使用三相四線制供電，而電流通過線路導(dǎo)線時，因存在阻抗必將產(chǎn)生電能損耗，其損耗與通過電流的平方成正比。由于有單相負載存在差異時，造成三相負載不平衡在所難免，當三相負載不平衡運行時，中性線即有電流通過。這樣不但相線有損耗，而且中性線也產(chǎn)生損耗，加上諧波的干擾，從而增加了電網(wǎng)線路的嚴重損耗。 </p> 湖南LED全彩大屏哪里有</p> <span style="display:none;"></span><p style="text-indent:25px">四川從輝科技有限公司是一家電子產(chǎn)品研發(fā)；計算機系統(tǒng)集成；綜合布線；電子產(chǎn)品、照明設(shè)備的銷售、安裝、維修及租賃；城市及道路照明工程、建筑智能化工程的設(shè)計、施工；銷售：裝飾材料、五金交電、工藝美術(shù)品（不含象牙及其制品）、計算機軟硬件；會務(wù)服務(wù)；圖文設(shè)計；展覽展示服務(wù)；鋼結(jié)構(gòu)工程設(shè)計、施工；電子產(chǎn)品技術(shù)咨詢；音響設(shè)備租賃及安裝；商務(wù)信息咨詢。（依法須經(jīng)批準的項目，經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動）。的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。四川從輝科技深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的LED顯示屏。四川從輝科技繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。四川從輝科技始終關(guān)注傳媒、廣電市場，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/3098888.html</p></div></div></div></div></div><div id="ea8ikrd" class="page-right twoColRt"><div id="a7fzqce" class="box01 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