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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uo8yxol" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725389540717/2945405.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oxcj3zw" 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>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>成都安防電源銷售,安防</p><p><span>***更新：</span>2021-01-19 06:10:33</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="qahjbda" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市保益新能電氣有限公司</a></p><p><span>聯(lián)系人：</span>葉立民</p><p><span>郵箱: </span>1301978383@qq.com</p><p><span>電話: </span>18675588113</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.boynelectric.com</p><p><span>手機(jī): </span>0755-21070344</p><p><span>地址: </span>大浪街道浪口社區(qū)華榮路496號德泰工業(yè)區(qū)1號廠房4層402</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="bgspmyq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="in2sfcj" class="box"><p><p style="text-indent:25px">電源分類：1.交流電源交流電源：一般指大小和方向隨時間作周期性變化的電壓或電流，我國交流電供電的標(biāo)準(zhǔn)規(guī)定為220V50赫茲，日本等國家為110V60赫茲，成都安防電源銷售,電源用的插頭和插座也有所不同,交流電隨時間變化的形式可以是多種多樣的。不同變化形式的交流電其應(yīng)用范圍和產(chǎn)生的效果也是不同的。以正弦波交流電應(yīng)用較普遍2.逆變電源逆變電源：一般指將低壓的直流電轉(zhuǎn)變成高壓或低壓的交流電的裝置，一般逆變電源中自帶有蓄電池，電腦城買的UPS電源也就是逆變電源中的一種，不過它帶的蓄電池較小，停電后電腦只能工作幾分鐘或十幾分鐘，成都安防電源銷售，成都安防電源銷售，主要用在突然停電時繼續(xù)為電腦供電，我們有時間把未保存的資料保存下來。如果是在室內(nèi)，可以用好點的帶護(hù)套電源線。成都安防電源銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都安防電源銷售,安防" src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725389540717/2945405.png"></div><p style="text-indent:25px">安防監(jiān)控電源的主要危害包括以下方面：1.電源外殼采用劣質(zhì)塑料電源外殼為電源重要保護(hù)，避免外力損壞電源或發(fā)生觸電事故。部分不良商家生產(chǎn)安防監(jiān)控所用的便宜劣質(zhì)塑料外殼，在使用較長時間后或放在戶外環(huán)境使用，會發(fā)生變色、外殼開裂現(xiàn)象。危害：假若電源進(jìn)水，輕則損壞電源，重則燒壞監(jiān)控攝像頭，甚至發(fā)生觸電事故，傷及人身安全。選用劣質(zhì)電源，存在各種潛在的不必要風(fēng)險故障。部分劣質(zhì)電源在前期使用并未出現(xiàn)明顯問題，但在使用一段時期后容易出現(xiàn)各種故障，給監(jiān)控系統(tǒng)帶來以上所述的傷害，給選購者帶來不必要的經(jīng)濟(jì)損失或聲譽損失。即使部分不良商家提供保修、包換服務(wù)，但其質(zhì)保服務(wù)對象很少于電源，對于劣質(zhì)電源所造成的附帶經(jīng)濟(jì)損失（如燒壞監(jiān)控攝像頭等），則不承擔(dān)任何責(zé)任。因此，建議各位選購安防監(jiān)控電源時，一定要擦亮眼睛，別被低價蒙騙，一定要看清選購的安防監(jiān)控電源的電路設(shè)計、用料質(zhì)量。北京安防**穩(wěn)壓電源多少錢開關(guān)穩(wěn)壓電源存在著較為嚴(yán)重的開關(guān)噪聲和干擾。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都安防電源銷售,安防" src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725420283124/8321074.png"></div><p style="text-indent:25px">UPS(不間斷電源)的工作原理：后備式UPS電源在市電正常供電時，市電通過交流旁路通道經(jīng)轉(zhuǎn)換開關(guān)直接向負(fù)載提供電源，UPS電源內(nèi)的逆變器處于停止工作狀態(tài)，這時的UPS電源實質(zhì)上相當(dāng)于一臺性能單一的市電穩(wěn)壓器。它除了對市電電壓的幅度波動有所改善外，對電壓的頻率不穩(wěn)、波形畸變以及從電網(wǎng)侵入的*等不良影響基本上沒有任何改善。只有當(dāng)市電供電中斷或低于170伏時，蓄電池才立刻對逆變器供電，向負(fù)載提供穩(wěn)壓、穩(wěn)頻的方波交流電源。正常工作一段時間，這就需要啟用備用電源來維持這段時間監(jiān)控系統(tǒng)的正常工作。備用電源有雙路或多路供電、蓄電池組供電、發(fā)電機(jī)供電、UPS供電等等。但通常采用UPS不間斷電源作為安防監(jiān)控系統(tǒng)備用電源。</p><p style="text-indent:25px">安防電源怎樣維修：安防電源怎樣維修安防電源其實跟監(jiān)控電源差不多的，都是用在監(jiān)控設(shè)備上面的。不過安防電源也是可以用在很多的電子產(chǎn)品上面的。安防電源的特點是體積小，重量輕，效率高等特點。一般的話人們在使用攝像機(jī)的時候一般的話都會選擇安防電源，也會選擇監(jiān)控電源因為這兩種電源都是差不多的。功率也是一樣的，沒有很大的差別。不過就是有的時候安防電源跟監(jiān)控電源有的區(qū) 別的。安防電源在維修的時候如果出現(xiàn)了安防電源不供電的時候可以插上電池試試以下，如果電子產(chǎn)品可以正常運行就說明是安防電源線或者是安防電源有問題，可以先用表檢測然后在檢查安防電源線是不是有問題，這樣的話可以減少安防電源的維修難度。如果電源線沒有問題的話就需要把安防電源拆開了。當(dāng)開關(guān)閉合時，電源通過開關(guān)K、電感L給負(fù)載供電，并將部分電能儲存在電感L以及電容C中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都安防電源銷售,安防" src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725481952817/7903454.png"></div><p style="text-indent:25px">自立供電與集中供電如何選擇：自立供電與集中供電模式的優(yōu)缺點大致如上，具體怎么選擇，要視實際安裝環(huán)境及客戶要求而定。一般來說，4路以下的監(jiān)控系統(tǒng)采用自立供電各為合適。 4路到16路的監(jiān)控系統(tǒng)，若距離相當(dāng)，建議選擇集中供電模式。 16路以上的監(jiān)控，可以采用多路集中供電結(jié)合，前提是必須做好前期配置。舉例子：如果一個商務(wù)樓，有100臺固定型網(wǎng)絡(luò)攝像機(jī)，每臺攝像機(jī)的額定功率是4W，我們該如何配置攝像機(jī)電源呢？根據(jù)上面的計算方法，我們計算出，攝像機(jī)的額定功率是4W*100臺=400W，攝像機(jī)實際使用的功率400W*1.3=520W。考慮損耗后，攝像機(jī)需要的功率是520W*1.3=676W 加上電源余量，攝像機(jī)較終需要配置的電源功率是676W*1.3=878W 。采用交流24V，在調(diào)試攝像機(jī)的時候，可以選擇電源同步。北京安防**穩(wěn)壓電源多少錢</p><p style="text-indent:25px">普通電源：普通電源電壓輸出范圍一般是在180V-240V的標(biāo)準(zhǔn)。成都安防電源銷售</p><p style="text-indent:25px">視頻門禁電源選擇的重要性：毫無疑問，電源是保障整個視頻門禁系統(tǒng)穩(wěn)定運行的基礎(chǔ)，對于電源選擇的好壞可以直接決定到工程商在實施此項目的時候是否能賺取到盡可能多的利潤，同時從電源的選擇上面也可以反映出工程商本身對于工程質(zhì)量的把控能力。很遺憾，筆者在調(diào)研整個視頻門禁的宏觀市場的時候發(fā)現(xiàn)，90以上的系統(tǒng)故障是因為電源的選擇不當(dāng)引起的，有些故障可能已經(jīng)影響到了該項目的順利推廣。綜合看來，因為電源而引發(fā)的故障主要表現(xiàn)在如下幾個方面：①使用一段時間后，出現(xiàn)供電不足的故障現(xiàn)象。②雷雨天之后，出現(xiàn)規(guī)模性電源故障。③天氣炎熱和寒冷出現(xiàn)電源故障。④蓄電池經(jīng)常壞，也沒有起到斷電維持系統(tǒng)正常運行的能力。⑤線路短路導(dǎo)致電源被燒壞。⑥用電高峰期，出現(xiàn)電源供電不足問題。成都安防電源銷售</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2912090.html</p></div></div></div></div></div><div id="cryl77g" class="page-right twoColRt"><div id="8tvceg8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pdfhtfz" 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" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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