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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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>天津節(jié)能燈泡廠家直銷,燈泡</p><p><span>***更新：</span>2021-01-04 09:27:24</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="s440aw4" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">中山市橫欄鎮(zhèn)江雅電子加工店</a></p><p><span>聯(lián)系人：</span>單世樂</p><p><span>郵箱: </span>1139567934@qq.com</p><p><span>電話: </span>15207608275</p><p><span>傳真: </span>0760_</p><p><span>網(wǎng)址: </span>https://shop8at9822014t99.1688.com</p><p><span>手機(jī): </span>0760-88968373</p><p><span>地址: </span> 中山市橫欄鎮(zhèn)新茂工業(yè)區(qū)慶龍路7號(hào)四樓之一 </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="0sywwmi" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="w0eucsi" class="box"><p><p style="text-indent:25px">白熾燈的壽命跟燈絲的溫度有關(guān)，因?yàn)闇囟仍礁撸瑹艚z就越容易升華。日光燈兩端發(fā)黑過程是：鎢絲的升華直接變成鎢氣，這些鎢氣體遇到溫度較低的燈管壁又凝華在燈管壁上而發(fā)黑的，當(dāng)鎢絲升華到比較細(xì)瘦時(shí)，通電后就很容易燒斷，從而結(jié)束了燈的壽命。所以白熾燈的功率越大，天津節(jié)能燈泡廠家直銷，天津節(jié)能燈泡廠家直銷。熒光燈又叫做日光燈，它的工作原理：日光燈管簡(jiǎn)單的說是個(gè)密閉的氣體放電管。管內(nèi)主要?dú)怏w為氬(argon)氣(另包含氖neon或氪krypton)氣壓約大氣的0.3%。另外包含幾滴水銀——形成微量的**蒸汽，天津節(jié)能燈泡廠家直銷。**原子約佔(zhàn)所有氣體原子的千分之一的比例。人們對(duì)燈泡的產(chǎn)品質(zhì)量和光電參數(shù)一致性的要求越來越高。天津節(jié)能燈泡廠家直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津節(jié)能燈泡廠家直銷,燈泡" src="https://tyunfile.71360.com/UploadFile/jiangya/637401030343940795/9122667.png"></div><p style="text-indent:25px">燈泡發(fā)黑：在技術(shù)上雖已采取了阻礙鎢在高溫下升華的措施，但事實(shí)上鎢還能在高溫下升華，由固態(tài)直接變?yōu)闅鈶B(tài)。熱的鎢蒸氣遇冷后又凝華為固態(tài)晶體附在燈的內(nèi)表面上。所以燈泡會(huì)發(fā)黑變暗。另外，升華和凝華的結(jié)果使得燈絲變細(xì)，由公式R=ρ(電阻率)L/S(π r2) 可分析得到，半徑r變小，燈絲電阻R變大，而燈兩端的電壓不變，P=U2/R ，所以燈的功率變小，亮度變暗。導(dǎo)體的電阻與導(dǎo)體的材料、截面積、長(zhǎng)度和溫度有關(guān)。一般金屬材料的電阻都隨溫度的升高而增大，燈絲鎢也具有同樣的性質(zhì)。開燈的瞬間，燈絲溫度低，電阻小，所以燈絲易出現(xiàn)過熱而熔斷。工作一段時(shí)間后，燈絲溫度升高，阻值附溫度的升高而增大，燈的電流和功率接近額定值，因而難損壞。一只"220V、60W"的白熾燈由公式R=U2/P計(jì)算得到的熱態(tài)電阻是807歐,而不工作的冷態(tài)電阻實(shí)測(cè)值是63歐。江西電燈泡熒光燈特點(diǎn)：光效高、壽命長(zhǎng)、光色好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津節(jié)能燈泡廠家直銷,燈泡" src="https://tyunfile.71360.com/UploadFile/jiangya/637401030312104821/2577528.png"></div><p style="text-indent:25px">電燈泡的較大問題是燈絲的升華。因?yàn)殒u絲上細(xì)微的電阻差別造成溫度不一，在電阻較大的地方，溫度升得較高，鎢絲亦升華得較快，于是造成鎢絲變細(xì)，電阻進(jìn)一步增大的循環(huán)；較終令鎢絲燒斷。后來發(fā)現(xiàn)以惰性氣體代替真空可以減慢鎢絲的升華。現(xiàn)在多數(shù)的電燈泡內(nèi)都是注入氮、氬或氪氣?，F(xiàn)代的白熾燈一般壽命為1000小時(shí)左右。為什么它要呈梨形?這是因?yàn)殡姛綦娏梁?，燈泡里的鎢絲能達(dá)到2500℃左右的高溫，會(huì)使鎢絲表層蒸發(fā)出一部分鎢的微粒。燈泡做成梨形，燈泡內(nèi)的惰性氣體對(duì)流時(shí)，鎢的微粒，大部分隨熱氣體被卷到上方，沉積在燈泡的頸部，這就能減輕對(duì)燈泡周圍和底部的影響，保持它的亮度。所以燈泡要做成梨形。</p><p style="text-indent:25px">當(dāng)前，白熾燈面臨著淘汰的局面，而節(jié)能燈、LED燈已然成為市場(chǎng)上的主流。但因?yàn)榘谉霟舻膯蝺r(jià)便宜，有人認(rèn)為其性價(jià)比比較高。也有人認(rèn)為節(jié)能燈和LED燈性價(jià)比較高。本期實(shí)驗(yàn)室將通過對(duì)三種不同燈泡進(jìn)行各種性能的測(cè)試，告訴你哪種燈泡值得購(gòu)買。省電性：節(jié)能燈=LED燈>白熾燈。首先，電費(fèi)的計(jì)算和用電量有關(guān)，而耗電量=電壓*電流*功率因數(shù)。上期兔醬已經(jīng)闡述過：功率因數(shù)（Power Factor）的大小與電路的負(fù)荷性質(zhì)有關(guān)，電阻負(fù)荷的白熾燈因此功率因數(shù)為1，節(jié)能燈和LED燈一般在0.7左右。我們將燈泡分別安裝到事先準(zhǔn)備好的一個(gè)臺(tái)燈上，將臺(tái)燈開啟后用電流表測(cè)得的電流、電壓、功率因數(shù)。電燈泡是一種透過通電，利用電阻把細(xì)絲線(現(xiàn)代通常為鎢絲)加熱至白熾，用來發(fā)光的燈。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津節(jié)能燈泡廠家直銷,燈泡" src="https://tyunfile.71360.com/UploadFile/jiangya/637401030330747473/4918867.png"></div><p style="text-indent:25px">日光燈管是靠著燈管的汞原子，由氣體放電的過程釋放出紫外光(主要波長(zhǎng)為2537埃=2537×10-10m)。所消耗的電能約60%可以轉(zhuǎn)換為紫外光。其他的能量則轉(zhuǎn)換為熱能。日光燈由燈管內(nèi)表面的熒光物質(zhì)吸收紫外光后釋放出可見光。不同的熒光物質(zhì) 會(huì)發(fā)出不同的可見光。一般紫外光轉(zhuǎn)換為可見光的效率約為40%。因此日光燈的效率約為60%×40%＝24%——大約為相同功率鎢絲電燈的兩倍。節(jié)能燈又叫緊湊型熒光燈(國(guó)外簡(jiǎn)稱CFL燈)具有光效高(是普通燈泡的5倍)，節(jié)能效果明顯，壽命長(zhǎng)(是普通燈泡的8倍)，體積小，使用方便等優(yōu)點(diǎn)。它的工作原理和日光燈基本相同。燈泡的底部有兩個(gè)金屬接觸點(diǎn)，是用來連接電的。天津節(jié)能燈泡廠家直銷</p><p style="text-indent:25px">燈泡是根據(jù)電流的熱效應(yīng)的原理制作而成的。天津節(jié)能燈泡廠家直銷</p><p style="text-indent:25px">到了1880年，他造出的炭化竹絲燈泡曾成功在實(shí)驗(yàn)室維持1200小時(shí)。但是在英國(guó)，斯旺控告愛迪生侵犯**，并且獲得勝訴。愛迪生在英國(guó)的電燈公司被迫讓斯旺加入為合伙人。但后來斯旺把他的權(quán)益及**都賣了給愛迪生。在美國(guó)，愛迪生的**亦被挑戰(zhàn)。美國(guó)**局曾判決他的發(fā)明已有前科，屬于無效。較后經(jīng)過多年的官司，愛迪生才取得碳絲白熾燈的**權(quán)。愛迪生的較大發(fā)現(xiàn)是使用鎢代替碳作為燈絲。之后在1906年，通用電器發(fā)明一種制造電燈鎢絲的方法。較終廉價(jià)制造鎢絲的方法得到解決，鎢絲電燈泡被使用至***津節(jié)能燈泡廠家直銷</p><p style="text-indent:25px">中山市橫欄鎮(zhèn)江雅電子加工店總部位于中山市橫欄鎮(zhèn)新茂工業(yè)區(qū)慶龍路7號(hào)四樓之一，是一家來樣加工;ODM加工;OEM加工;來圖加工，是一家集生產(chǎn)和銷售為一體的LED照明產(chǎn)品的企業(yè)，產(chǎn)品主要有LED球泡，LED投光燈，LED四葉燈，LED太陽能人休感應(yīng)燈等系列產(chǎn)品。產(chǎn)品品種齊全，價(jià)格優(yōu)惠。的公司。中山江雅電子作為來樣加工;ODM加工;OEM加工;來圖加工，是一家集生產(chǎn)和銷售為一體的LED照明產(chǎn)品的企業(yè)，產(chǎn)品主要有LED球泡，LED投光燈，LED四葉燈，LED太陽能人休感應(yīng)燈等系列產(chǎn)品。產(chǎn)品品種齊全，價(jià)格優(yōu)惠。的企業(yè)之一，為客戶提供良好的球泡，蠟燭球泡，太陽能路燈，高富帥球泡。中山江雅電子繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。中山江雅電子始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使中山江雅電子在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2700479.html</p></div></div></div></div></div><div id="2u24usq" class="page-right twoColRt"><div id="2m0s2wm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yw2e0sq" class="recomPic likePro"><a 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