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href="http://www.cdcfah.com/cp/third-snzmdjeh_tongdengwa/">筒燈</a>?北京防水投光燈上海先盛照明電器供應(yīng)</p><div id="w2esg8m" class="leftbox clearfix"><h1>北京防水投光燈上海先盛照明電器供應(yīng)</h1><div id="ms2kiey" class="proBig"><div id="kukmaoc" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269782039189453/4436063.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="asaww0g" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269782039189453/4436063.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ogkqkk6" 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>北京防水投光燈,投光燈</p><p><span>***更新：</span>2020-06-13 08:16:44</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="2omwowy" 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="ei8qoog" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2maac0o" class="box"><p><p> 防爆燈五種類型***講第二種防爆類型：增安型，防爆電器設(shè)備結(jié)構(gòu)里的一種，指在設(shè)備上采用一系列的安全設(shè)施，北京防水投光燈，北京防水投光燈，如使用高質(zhì)量的絕緣材料、降低溫升、增大電器間隙、提高導(dǎo)線連接質(zhì)量等，使其在比較大限度內(nèi)不致產(chǎn)生電火花，北京防水投光燈、電弧貨危險(xiǎn)溫度，或者采用有效的保護(hù)原件使其產(chǎn)生的火花、電弧和溫度不能***炸性混合物，以達(dá)到防爆的目的。 </p> <p> 的概念：是物質(zhì)中一種狀態(tài)，經(jīng)過物理或化學(xué)變化，突然變成另一種狀態(tài)，并放出巨大的能量，急劇速度釋放的能量，將使周五的物體遭受到猛烈的沖擊和破壞。飛利浦明暉LED投光燈BVP17X多尺寸，多功率，滿足不同照明安裝需求，便于替換，實(shí)現(xiàn)自由安裝和多功能安裝。北京防水投光燈</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京防水投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269782039189453/4436063.png"></div><p style="text-indent:25px">普通吸頂燈的問題和缺點(diǎn)：發(fā)光效率低帶鎮(zhèn)流器節(jié)能燈的整燈光效只有55Im/W，比較高的大功率U型也只有80Im/W。而且因?yàn)樗羞@些吸頂燈大多采用T5型燈管,折彎成各種形狀。但不管zuihou折彎成什么形狀，它都是360度發(fā)光的，其中向.上的180度的光線必須反射回來才會(huì)變成有用的光線，這個(gè)反射過程就會(huì)損失很多光。所以做成燈具以后的光效至少要打70%的折扣。也就是上述光效還要再乘以0.7。而且在實(shí)際使用時(shí)，它的亮度隨時(shí)間衰減得很快。例如一根_飛利浦的32W環(huán)形T5三基色燈管YH32RR16，色溫為6500K，其發(fā)光效率為67lm/W,總流明數(shù)為21501m，實(shí)際上只有70%的光線可以利用。也就是只有1500m。北京防水投光燈飛利浦LED筒燈DN020色容差＜5，幾乎無法觀測出色差，數(shù)值越小，色品越一致。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京防水投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269782155068360/7868258.png"></div><p style="text-indent:25px">LED吸頂燈的構(gòu)成和散熱：不考慮華麗的水晶吸頂燈，普通LED吸項(xiàng)燈的構(gòu)造和普通吸項(xiàng)燈沒有什么區(qū)別。都是由底殼，外置，電源，燈等4個(gè)部分組成。LED吸頂燈的燈珠通常對(duì)于功率大于30W以上的大多采用1W的LED燈珠，低于30W的大多采用小功率LED燈珠( 例如3020,3014,3528等)o建議采用貼片式小功率LED，以便于散熱，也可以提高發(fā)光的均勻度。燈珠可以按照其外形來排列，例如假定外形為圓形，那么燈珠就排成圓形，反之，假如外形是方形，那么就排成方形。即便如此，燈珠的排列也還是有很多種方法，一個(gè)典型的LED吸項(xiàng)燈的內(nèi)部結(jié)構(gòu)。</p><p style="text-indent:25px">防爆燈5種類型之三四：無火花型-在正常加工生產(chǎn)過程中，能夠產(chǎn)生粉塵云或粉塵層的baozha性混合物，且一般不會(huì)發(fā)生有點(diǎn)燃作用故障的電氣設(shè)備稱為無火花型。粉塵性-在正常加工生產(chǎn)過程中，能夠產(chǎn)生粉塵云和粉塵層的baozha性和可燃性物質(zhì)，當(dāng)與空氣混合達(dá)到一定濃度時(shí)，這種環(huán)境就必須選擇“塵密型”的外殼，以使粉塵不得進(jìn)入殼內(nèi)。因?yàn)闅?nèi)電氣元件有可能產(chǎn)生弧度、火花點(diǎn)燃粉塵而形成baozha。工作場合和安全幽囚不同，設(shè)計(jì)類別也不同。飛利浦投光燈具總代理上海先盛照明電器有限公司竭誠為您服務(wù)！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京防水投光燈,投光燈" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637269781919140625/8831194.png"></div><p style="text-indent:25px">普通吸頂燈的問題和缺點(diǎn)：含汞汞的沸點(diǎn)很低，在常溫下可蒸發(fā)。一支廢舊丟棄熒光燈破碎后，立即向周圍散發(fā)汞蒸氣，瞬間可使周圍空氣中的汞濃度達(dá)到10-20毫克/立方米，超過國家規(guī)定的汞在空氣中比較高允許濃度(為0.01毫克/立方米)的1000至2000倍，人體一次吸入2.5克汞蒸氣即有生命危險(xiǎn)。而且液態(tài)汞的滲透率極高，掉到地下以后就會(huì)立刻滲入地下污染地下水。1毫克汞足以污染5454.5公斤飲用水，使之達(dá)不到安全的飲用標(biāo)準(zhǔn)?，F(xiàn)在拼命推廣節(jié)能燈，實(shí)際上也是對(duì)我們子孫不負(fù)責(zé)任的做法。飛利浦明欣LED投光燈G2 BVP150 壓鑄鋁外殼，防水防塵防沖擊，使用在寬范圍溫度變化的環(huán)境，基本浪涌保護(hù)。北京防水投光燈</p><p style="text-indent:25px">飛利浦燈具：一家專注于低碳照明的公司，采用國際先進(jìn)工藝。北京防水投光燈</p><p> LED照明燈具頻閃危害不容忽視，LED照明燈具頻閃這一問題沒有得到解決，LED照明頻閃的危害程度到底有多大?如何從根源解決頻閃問題?飛利浦中國區(qū)技術(shù)總監(jiān)姚夢明這樣定義LED照明頻閃：在一定環(huán)境下，由于光亮度或光分布隨時(shí)間波動(dòng)對(duì)觀察者或者使用者造成的不受歡迎的視覺變化。即有頻率的閃動(dòng)，周期性的重復(fù)閃光。一般的頻閃效應(yīng)，是在靜止環(huán)境下對(duì)于觀察者或使用者，對(duì)其光亮度或光分布隨著時(shí)間波動(dòng)而造成的運(yùn)動(dòng)知覺的變化。那么，長期處在LED照明頻閃環(huán)境中，會(huì)給人們帶來哪些傷害呢?主要危害體現(xiàn)在兩大方面：人體健康危害和安全健康危害?！叭梭w方面的危害包括可能產(chǎn)生toutong、偏toutong、疲勞;眼壓增高、眼睛視覺功效降低、注意力分散;神經(jīng)性問題，如光敏性癲癇等。”安全方面就如視覺錯(cuò)覺，包括轉(zhuǎn)動(dòng)的機(jī)器、道路照明和汽車燈等。北京防水投光燈</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，創(chuàng)建于2012-02-23。上海先盛照明擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供[ "投光燈", "三防燈", "筒射燈", "燈管" ]。公司終堅(jiān)持自主研發(fā)創(chuàng)新發(fā)展理念，不斷優(yōu)化的技術(shù)、產(chǎn)品為客戶帶來效益，目前年?duì)I業(yè)額達(dá)到2000-3000萬元。上海先盛照明始終關(guān)注自身，在風(fēng)云變化的時(shí)代，我們對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使我們在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: 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