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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>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>上海集中型A型應(yīng)急照明電源生產(chǎn)批發(fā),A型應(yīng)急照明集中電源</p><p><span>***更新：</span>2021-01-29 03:13:05</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="iwipgxt" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上?？品评针姎庥邢薰?/a></p><p><span>聯(lián)系人：</span>趙武</p><p><span>郵箱: </span>137160265@qq.com</p><p><span>電話: </span>13777749559</p><p><span>傳真: </span>0577_61763663</p><p><span>網(wǎng)址: </span>http://www.kofler.com.cn</p><p><span>手機(jī): </span>0577-61763663</p><p><span>地址: </span>尚學(xué)路225、229號3幢5039室</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="yhyahnz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="irdkmiz" class="box"><p><p style="text-indent:25px">A型應(yīng)急照明集中電源燈具的故障維修：停電后燈管正常工作片刻即亮度下降，這表明蓄電池可能有故障。由于該電路無防止蓄電池過放電的保護(hù)措施，若市電停電時間過長，蓄電池過放電至端電壓10V時，上海集中型A型應(yīng)急照明電源生產(chǎn)批發(fā)，未能斷開SA1，將使蓄電池過放電而導(dǎo)致其極板過早損壞。解決蓄電池過放電的辦法較好是設(shè)置保護(hù)電路。該電路較簡單，在應(yīng)急照明過程中，上海集中型A型應(yīng)急照明電源生產(chǎn)批發(fā)，當(dāng)蓄電池放電至端電壓低于10V時，上海集中型A型應(yīng)急照明電源生產(chǎn)批發(fā)，VD截止，繼電器釋放，切斷蓄電池負(fù)載回路，避免過放電而縮短其使用壽命?？蛇x用高靈敏度繼電器，其吸合電流為8mA，吸合電壓為6V。穩(wěn)壓二極管穩(wěn)壓值為5V。A型應(yīng)急照明集中電源燈充放電試驗(yàn)合格。上海集中型A型應(yīng)急照明電源生產(chǎn)批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海集中型A型應(yīng)急照明電源生產(chǎn)批發(fā),A型應(yīng)急照明集中電源" src="https://tyunfile.71360.com/UploadFile/shkfldq/637390644742478858/4467489.png"></div><p style="text-indent:25px">從A型應(yīng)急照明集中電源電源的種類及轉(zhuǎn)換時間的要求，不難看出A型應(yīng)急照明集中電源持續(xù)工作時間是受到一定條件限制的。通常規(guī)定疏散照明持續(xù)工作時間不宜小于30min，根據(jù)不同要求可分為30、60、90、120、180min等6個檔次。備用照明和安全照明的持續(xù)工作時間應(yīng)視使用場所的具體要求而定。對于接自電網(wǎng)或發(fā)電機(jī)組的A型應(yīng)急照明集中電源系統(tǒng)，其持續(xù)工作時間是容易滿足要求的；對于蓄電池供電的A型應(yīng)急照明集中電源系統(tǒng)，其工作時間受到容量大小的限制，對于要求持續(xù)工作時間較長的場所不宜單獨(dú)使用蓄電池組，應(yīng)考慮與發(fā)電機(jī)組配合使用。在這種情況下，由蓄電池組供電，*做為A型應(yīng)急照明集中電源的過渡，因此，其持續(xù)工作時間可適當(dāng)減少。江蘇ledA型應(yīng)急照明電源施工A型應(yīng)急照明集中電源適用于應(yīng)急照明燈數(shù)不多，裝設(shè)較分散，規(guī)模不大的建筑物。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海集中型A型應(yīng)急照明電源生產(chǎn)批發(fā),A型應(yīng)急照明集中電源" src="https://tyunfile.71360.com/UploadFile/shkfldq/637390644659754241/4477949.png"></div><p style="text-indent:25px">A型應(yīng)急照明集中電源電源的選擇確定，應(yīng)根據(jù)應(yīng)急照明的種類、轉(zhuǎn)換時間、持續(xù)工作時間、各種電源的特點(diǎn)及實(shí)際工程的客觀需要和要求等多種因素綜合考慮選擇，做到安全可靠、技術(shù)先進(jìn)、經(jīng)濟(jì)合理。?柴油發(fā)電機(jī)組電源，對于應(yīng)急發(fā)電機(jī)組，由于電機(jī)投入運(yùn)行需要較長時間，經(jīng)常處于后備狀態(tài)的機(jī)組，停電時自啟動時間約需15s，因此只能做為疏散照明和備用照明的應(yīng)急照明電源，而不能單獨(dú)用于安全照明。專門為應(yīng)急照明設(shè)置發(fā)電機(jī)組是不經(jīng)濟(jì)的，也是不合理的。在高層建筑中常常為滿足消防要求需設(shè)置發(fā)電機(jī)組；在某些工業(yè)生產(chǎn)廠房或通信、交通中心也往往是和生產(chǎn)運(yùn)行的電力設(shè)備的需要一起考慮。</p><p style="text-indent:25px">A型應(yīng)急照明集中電源的組合電源當(dāng)應(yīng)急照明電源是取自電網(wǎng)的**電源時，要求由外部引來兩路**電源供電，確保一路故障時，另一路仍繼續(xù)工作。應(yīng)急照明配電系統(tǒng)應(yīng)自成體系，保證在火災(zāi)情況下，切除非消防負(fù)荷后，系統(tǒng)仍可供電。此種方式供電容量和供電時間不受限制，轉(zhuǎn)換時間容易滿足要求。但是在重大災(zāi)害時，其供電可靠性可能遭到破壞。因此，對于規(guī)模較大的高層建筑和一些特別重要的建筑*采用此種方式做應(yīng)急照明電源是不夠的，這時就有必要配以發(fā)電機(jī)組或蓄電池做為應(yīng)急照明電源的必要補(bǔ)充和加強(qiáng)。A型應(yīng)急照明集中電源可有效避免意外觸電事故，安全可靠。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海集中型A型應(yīng)急照明電源生產(chǎn)批發(fā),A型應(yīng)急照明集中電源" src="https://tyunfile.71360.com/UploadFile/shkfldq/637390644764998411/669495.png"></div><p style="text-indent:25px">A型應(yīng)急照明集中電源燈接線時應(yīng)注意的問題：（一）應(yīng)急燈常用的幾種接線方式，在日常監(jiān)督檢查中發(fā)現(xiàn)，由于接線方式錯誤導(dǎo)致應(yīng)急照明燈具不能正常使用的情況很普遍。（二）注意事項(xiàng)：⒈對各種接線方式的特點(diǎn)要準(zhǔn)確掌握，以免盲目接線，起不了應(yīng)有作用；⒉應(yīng)急照明如果做為平時照明的一部分，應(yīng)采用三線式可控接法。⒊對于多層公共建筑，如果沒有設(shè)置消控中心，各個部位的應(yīng)急照明燈具可以采用加就地開關(guān)控制（單燈單控或多燈控制）或配電箱內(nèi)集中控制的三線式接法。⒋有消防控制中心的工程，為了滿足當(dāng)火災(zāi)發(fā)生時，消控中心能開通火災(zāi)層和相關(guān)層消防應(yīng)急照明的要求。A型應(yīng)急照明集中電源的組合電源，即由任意兩種或兩種以上電源組合的供電方式。上海集中型A型應(yīng)急照明電源生產(chǎn)批發(fā)</p><p style="text-indent:25px">A型應(yīng)急照明集中電源的轉(zhuǎn)換時間根據(jù)實(shí)際工程及有關(guān)規(guī)范規(guī)定確定。上海集中型A型應(yīng)急照明電源生產(chǎn)批發(fā)</p><p style="text-indent:25px">A型應(yīng)急照明集中電源的電源確定：來自電網(wǎng)的與正常饋電回路分開的電源。這種電源，具有轉(zhuǎn)換時間短（轉(zhuǎn)換時間易滿足各種情況下的要求），持續(xù)工作時間長，工作可靠的特點(diǎn)。所以這種電源應(yīng)用較為普遍。尤其是大中城市、大中型工廠取得這種電源比較容易。對于公共建筑和廠房，由于生產(chǎn)和工作需要，當(dāng)具有電網(wǎng)備用電源時，應(yīng)首先利用它做為A型應(yīng)急照明集中電源電源。如果專門為A型應(yīng)急照明集中電源設(shè)置上述這樣的電源是不經(jīng)濟(jì)的。應(yīng)結(jié)合當(dāng)?shù)仉娏?shí)際及工程實(shí)際情況綜合考慮，統(tǒng)籌安排電力設(shè)備的A型應(yīng)急應(yīng)急電源和A型應(yīng)急照明集中電源電源。對于要繼續(xù)維持生產(chǎn)的備用照明及水泵房的備用照明，應(yīng)與生產(chǎn)電力設(shè)備、泵使用同一備用電源，一般自電網(wǎng)取得。上海集中型A型應(yīng)急照明電源生產(chǎn)批發(fā)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3057584.html</p></div></div></div></div></div><div id="ao8zfbs" class="page-right twoColRt"><div id="hq88wdz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ptfwyk3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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