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id="xr3q22y" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432974379473890/927025.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tisebnp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432974379473890/927025.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8hzb33c" 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>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>沈陽指揮中心大屏報(bào)價(jià),大屏</p><p><span>***更新：</span>2021-02-04 00:28:48</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="d7sfhz3" 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(jī): </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(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="37km2vh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="x838etq" class="box"><p><p> LED大屏開關(guān)屏注意事項(xiàng) </p> <p> 1.開屏：先開啟控制計(jì)算機(jī)使其能正常運(yùn)行后再開啟LED顯示屏大屏幕; </p> <p> 2.關(guān)屏：首先關(guān)掉LED屏體電源，關(guān)掉控制軟件，再正確的關(guān)閉計(jì)算機(jī);(先關(guān)計(jì)算機(jī)不關(guān)LED大屏，會(huì)造成屏體出現(xiàn)高亮點(diǎn)，燒毀燈管，后果嚴(yán)重) </p> <p> 3，沈陽指揮中心大屏報(bào)價(jià).開關(guān)屏?xí)r間隔時(shí)間要大于5分鐘; </p> <p> 4.避免在全白屏幕狀態(tài)下開屏，因?yàn)榇藭r(shí)為*功率狀態(tài)，沈陽指揮中心大屏報(bào)價(jià)，沈陽指揮中心大屏報(bào)價(jià)，其對整個(gè)配電系統(tǒng)的沖擊電流 </p> <p> LED大屏供電注意事項(xiàng) </p> <p> 1.LED模組為直流+5V供電(工作電壓：4.2~5.2V)，禁止使用交流供電;電源端子正負(fù)極嚴(yán)禁接反(注意：一旦接反就會(huì)燒壞產(chǎn)品甚至引發(fā)嚴(yán)重的火災(zāi)); </p> <p> 2.LED大屏的供電電源電壓：220V±10%頻率：50HZ±5%; </p> <p> <br /> </p> <p> <br /> 戶外LED大屏在安裝的過程中計(jì)劃配置溫濕度監(jiān)測儀，那么就需要及時(shí)監(jiān)控屏體周圍濕度。沈陽指揮中心大屏報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="沈陽指揮中心大屏報(bào)價(jià),大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432974379473890/927025.png"></div><p> 戶外LED大屏安裝六個(gè)主意事項(xiàng)： </p> <p> 1、LED大屏及建筑物上安裝避雷裝置。 </p> <p> LED大屏主體和外殼保持良好接地，接地電阻小于3歐姆，使雷電引起的大電流及時(shí)泄放；LED大屏可能會(huì)受到雷電引起的強(qiáng)電強(qiáng)磁襲擊。 </p> <p> 2、LED大屏本身的防水措施 </p> <p> 屏體及屏體與建筑的結(jié)合部必須嚴(yán)格防水防漏；屏體要有良好的排水措施，一旦發(fā)生積水能順利排放；注意防水、防潮。LED大屏安裝在戶外，經(jīng)常日曬雨淋，風(fēng)吹塵蓋，工作環(huán)境惡劣。電子設(shè)備被淋濕或嚴(yán)重受潮會(huì)引起短路甚至起火，引發(fā)故障甚至火災(zāi)，造成損失； </p> <p> 3、電路芯片選擇 </p> <p> 選用工作溫度在-40℃～80℃之間的工業(yè)級集成電路芯片，防止冬季溫度過低使LED大屏不能啟動(dòng)。沈陽指揮中心大屏報(bào)價(jià)在一定環(huán)境照度下，LED大屏各基色在比較高灰度級、比較高亮度時(shí)的亮度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="沈陽指揮中心大屏報(bào)價(jià),大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432972958169934/4335734.png"></div><p> 6.電路設(shè)計(jì)部分 </p> <p> 電路板的設(shè)計(jì)及用料對LED大屏的穩(wěn)定性和顯示效果有至關(guān)重要的作用。主要有以下幾個(gè)方面的要求： </p> <p> 1、用料方面的要求：PCB板厚，一般使用1.6mm的厚度;材質(zhì)：FR-4玻璃纖維板，一些廠家為了降低成本可能會(huì)使用FR-2的紙基板;銅箔厚度：銅箔的厚度對PCB板的散熱及線路的穩(wěn)定性有著不可忽視的作用，正常的銅箔厚度是35um(1Oz)，而有些廠家會(huì)使用18um(0.5Oz)的銅箔厚度來以次充好;那么作為消費(fèi)者怎么來辨別呢?可以拿一塊空的PCB通過重量來區(qū)別，正常情況下，越重越好。 </p> <p> 2、設(shè)計(jì)方面的幾個(gè)關(guān)鍵點(diǎn)：接插件，接插件是指模組與模組之間的連接件，現(xiàn)在市場上用得比較多的主要有兩種，一種是牛角，一種是排針。牛角的優(yōu)點(diǎn)是通過兩個(gè)卡位能卡住排線，不容易出現(xiàn)因接插件問題而引起的故障;有關(guān)電解電容和鉭電容的選擇，對于要求長壽命的場合，鉭電容無疑是比較好的選擇，對于要求低價(jià)的場合，電解電容是比較好的選擇。 </p><p> LED大屏清潔注意事項(xiàng) </p> <p> 1.定期清潔維護(hù)：LED大屏使用時(shí)間長了，屏幕上會(huì)累積較多的灰塵以及雨水沖刷的痕跡，這需要定期、及時(shí)地清洗以防影響觀看效果; </p> <p> 2.如清潔模組表面，請使用軟毛刷，輕輕刷拭。禁止使用任何液體物質(zhì)清洗LED模組表面，否則LED燈珠有可能損壞; </p> <p> 3.正確擦拭：LED大屏大屏幕表面可以采用酒精進(jìn)行擦拭，或者使用毛刷、吸塵器進(jìn)行除塵，不能直接用濕布擦拭。 </p> <p> LED大屏防潮及存儲(chǔ)要求 </p> <p> 1、存儲(chǔ)溫度要求：環(huán)境溫度-40℃≤t≤60℃，包裝打開后，LED產(chǎn)品須存放在溫度<30℃和濕度<60%環(huán)境中; </p> <p> 2、根據(jù)顯示屏體、控制部分所處環(huán)境情況，避免蟲咬，必要時(shí)應(yīng)放置防鼠藥; 隨著中國LED大屏發(fā)展產(chǎn)業(yè)不斷增加，在各大城市街頭巷尾的LED大屏慢慢多起來了，人們消費(fèi)水平也日益增長。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="沈陽指揮中心大屏報(bào)價(jià),大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432973113111291/1884839.png"></div><p> 1、LED大屏監(jiān)控系統(tǒng)應(yīng)用于施工現(xiàn)場的必要性 </p> <p> 在一些建筑工地中，有的施工單位經(jīng)常為了趕工期或降低成本而忽視了安全生產(chǎn)，留下了安全隱患。為了確保建設(shè)工程的施工安全，傳統(tǒng)的監(jiān)督方法效率低下，已經(jīng)不能適應(yīng)近年來城市建設(shè)力度日益加大的新形勢。加強(qiáng)建筑工地的安全監(jiān)管手段，已是擺在建設(shè)安全監(jiān)督部門面前的首要迫切任務(wù)。采用大屏監(jiān)控系統(tǒng)，通過LED大屏實(shí)時(shí)監(jiān)管工地施工現(xiàn)場，既減輕了監(jiān)管人員的工作量，又加強(qiáng)了調(diào)控監(jiān)管力度，提高了工作效率。 </p> <p> 2、LED大屏監(jiān)控系統(tǒng)原理應(yīng)用于施工安全管理的必然性 </p> <p> 通過LED大屏監(jiān)控系統(tǒng)，施工企業(yè)可對本企業(yè)安裝監(jiān)控系統(tǒng)的建筑工地實(shí)施遠(yuǎn)程操控和實(shí)時(shí)查看;工地項(xiàng)目部、項(xiàng)目建設(shè)單位、監(jiān)理單位可操控和使用LED大屏監(jiān)控設(shè)備進(jìn)行現(xiàn)場實(shí)時(shí)監(jiān)管。是對目前安全工作傳統(tǒng)管理模式的有益補(bǔ)充。 </p> <p> 3、加強(qiáng)LED大屏監(jiān)控系統(tǒng)的安裝技術(shù)要求增強(qiáng)安全監(jiān)管的有效性 </p> <p> 通過對施工現(xiàn)場的合理布點(diǎn)，努力提高系統(tǒng)在實(shí)施遠(yuǎn)程監(jiān)控的實(shí)用性、適應(yīng)性和靈活性，很大限度地滿足安全監(jiān)督工作的不同需求，實(shí)現(xiàn)對施工現(xiàn)場及人員的監(jiān)視需要，是對監(jiān)控效果的有效保證。 LED大屏技術(shù)的不斷升級，讓許多制作團(tuán)隊(duì)對屏幕“高清”的特點(diǎn)愛不釋手，創(chuàng)作中容易有“因小失大”的誤區(qū)。湖南全彩大屏批發(fā)價(jià)格</p><p style="text-indent:25px">LED大屏采用高亮度貼片，光色純正、柔和、無眩光。既可以作為裝飾用途，又可以兼做照明用途。沈陽指揮中心大屏報(bào)價(jià)</p><p> 3.安全大地接觸可靠，地線與零線隔離可靠，接入電源遠(yuǎn)離大功率用備; </p> <p> 4.如發(fā)現(xiàn)短路、跳閘、燒線、冒煙等異常顯現(xiàn)時(shí)，不應(yīng)反復(fù)通電測試，應(yīng)及時(shí)查找問題; </p> <p> 5.保持供電電源穩(wěn)定，并做好接地保護(hù)避免雷擊，在惡劣的自然條件特別是強(qiáng)雷電天氣下不要使用; </p> <p> 6.必須分步給大屏幕供電電源供電，因?yàn)檎?功率狀態(tài)會(huì)對整個(gè)配電系統(tǒng)的產(chǎn)生沖擊; </p> <p> 7.LED大屏不允許播放*亮度的全白色畫面超過半個(gè)小時(shí)，以免造成電流過大，電源線發(fā)熱，LED燈損壞，影響LED大屏使用壽命，建議播放動(dòng)態(tài)視頻為主; </p> <p> 8.LED大屏產(chǎn)品在使用過程中，不可連續(xù)開、關(guān)電源，兩者操作間應(yīng)相隔至少1分鐘; </p> <p> 9.LED大屏大屏幕內(nèi)部線路，非專業(yè)人士禁止觸碰，以免觸電，或者造成線路損壞。 </p> <p> <br /> 沈陽指揮中心大屏報(bào)價(jià)</p><p style="text-indent:25px">四川從輝科技有限公司致力于傳媒、廣電，是一家服務(wù)型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下LED顯示屏深受客戶的喜愛。公司從事傳媒、廣電多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批獨(dú)立的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。四川從輝科技秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: 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