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src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725347138334/6321271.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ueet0ss" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725347138334/6321271.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jqx94px" 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>南京消防32v電源批發(fā)價格,安防</p><p><span>***更新：</span>2021-02-03 00:18:47</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="cqieexm" 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="mtxoq6h" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="woxhbdc" class="box"><p><p style="text-indent:25px">監(jiān)控?cái)z像機(jī)電源功率配置的技術(shù)問題：在監(jiān)控?cái)z像機(jī)電源的配置方面，也要注意一些細(xì)節(jié)，比如不能整個監(jiān)控系統(tǒng)共用一個電源，因?yàn)?系統(tǒng)維修的時候，經(jīng)常需要打開、關(guān)閉電源。所有的監(jiān)控?cái)z像機(jī)在打開電源瞬間同時啟動，啟動電流特別大，對電源的沖擊力很大，嚴(yán)重的會燒毀電源。另外一個原因就是所有的監(jiān)控?cái)z像機(jī)共用一臺電源，當(dāng)電源發(fā)生故障時，整個閉路監(jiān)控系統(tǒng)陷入癱瘓。正確的辦法可以通過一個例子來說明，如一個商務(wù)樓有100臺固定監(jiān)控?cái)z像機(jī)，總共需要約800W的電源，如需采用PoE供電，南京消防32v電源批發(fā)價格，正確的配置應(yīng)該是選擇4臺、每臺200W的PoE交換機(jī)，南京消防32v電源批發(fā)價格，這種要求豐潤達(dá)16口系列和24口系列PoE交換機(jī)都滿足。這樣，當(dāng)某一臺交換機(jī)發(fā)生故障，可以把重要出入口的攝像機(jī)接到其它好的交換機(jī)上，南京消防32v電源批發(fā)價格，不至于影響整個系統(tǒng)的工作。可以把重要出入口的攝像機(jī)接到其它好的電源上，不至于影響整個系統(tǒng)的工作。南京消防32v電源批發(fā)價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京消防32v電源批發(fā)價格,安防" src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725347138334/6321271.png"></div><p style="text-indent:25px">寬幅電源與普通電源的區(qū)別：一、電壓輸出范圍不同。1、寬幅電源：寬幅電源電壓輸出范圍一般是在85～265VAC的標(biāo)準(zhǔn)。2、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)。二、對于電源的適應(yīng)能力不同1、寬幅電源：寬幅電源對于電源的適應(yīng)能力相對較強(qiáng)，適合那些電源電壓不穩(wěn)定的地方。2、普通電源：普通電源對于電源的適應(yīng)能力相對較弱，適合那些電源電壓穩(wěn)定的地方。三、缺點(diǎn)不同1、寬幅電源：電器運(yùn)行時，電器的寬幅電源會產(chǎn)生電磁干擾，如果嚴(yán)重還會產(chǎn)生噪音。2、普通電源：一旦電器的普通電源無法適應(yīng)電壓寬幅，就會造成電器的自動斷電關(guān)機(jī)，嚴(yán)重的甚至?xí)苯訜龎碾娖饔布?。南京消?2v電源批發(fā)價格一定要看清選購的安防監(jiān)控電源的電路設(shè)計(jì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京消防32v電源批發(fā)價格,安防" src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725481952817/7903454.png"></div><p style="text-indent:25px">專業(yè)安防電源：產(chǎn)品包括智能樓宇電源，如可視對講電源，門禁,考勤電源等,一般有9VDC,12VDC，18VDC,24VDC等，監(jiān)控電源包括攝像機(jī)電源，智能高速球機(jī)電源,恒速球機(jī)電源,紅外球機(jī)電源,云臺電源，解碼器電源,DVR**電源,車載電源匹配器,矩陣及鍵盤電源，畫面處理器電源等,一般有12VDC，24VDC等，防盜報警電源包括有線和無線報警主機(jī)電源,紅外對射探測器電源等,一般有9VDC,12VDC，18VDC,24VDC等，通訊設(shè)備**電源包括光端機(jī)**電源，光纖信號收發(fā)器電源,一般用5VDC；產(chǎn)品有隱藏型護(hù)罩內(nèi)置電源,室外壁掛式防水電源系列，室內(nèi)壁掛式電源系列，桌面型系列【也叫雙線電源】，插墻式電源系列【也叫單線電源】，數(shù)字顯示型大功率臺式電源系列，箱式多路輸出電源系列，19寸4U標(biāo)準(zhǔn)機(jī)架式大功率電源系列,分AC→AC,AC→DC,DC→DC，DC→AC等產(chǎn)品，可量身定做,提供產(chǎn)品內(nèi)置式電源裸板,產(chǎn)品大都具備UPS功能，符合各國使用。</p><p style="text-indent:25px">UPS(不間斷電源)的工作原理：在線式UPS電源在市電正常供電時，它首先將市電交流電源經(jīng)整流變成直流電源，然后進(jìn)行脈寬調(diào)制、濾波、并將直流電源經(jīng)逆變器重新轉(zhuǎn)換成正弦波交流電源向負(fù)載供電，一旦市電中斷，立即改由蓄電池提供的直流經(jīng)逆變器、電脈寬調(diào)制、濾波，向負(fù)載提供正弦波交流電源。因此，對在線式UPS而言，在正常情況下，無論有無市電，它都是由UPS電源的逆變器對負(fù)載供電，這樣就避免了所有由市電電網(wǎng)電壓波動及而帶來的影響。顯而易見，在線式UPS電源的供電質(zhì)量明顯優(yōu)于后備式UPS電源，因?yàn)樗梢詫?shí)現(xiàn)對負(fù)載的穩(wěn)頻、穩(wěn)壓供電。而且在由市電轉(zhuǎn)換到蓄電池供電時，其轉(zhuǎn)換時間基本為零，真正給用戶提供高質(zhì)量穩(wěn)壓、穩(wěn)頻的純凈正弦波電源，從而提供符合安防監(jiān)控系統(tǒng)需要的電源保護(hù)。在線互動式UPS電源結(jié)合了后備式UPS和在線式UPS的許多優(yōu)點(diǎn)，也是一種很不錯的變換形式，但是由于它使用的是工頻變壓器，有笨重、體積大的問題存在。一定要看清選購的安防監(jiān)控電源的電路設(shè)計(jì)、用料質(zhì)量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京消防32v電源批發(fā)價格,安防" src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725332743848/8050142.png"></div><p style="text-indent:25px">安防監(jiān)控電源幾中供電方式的選擇：中供電模式什么是集中供電在220V電源處接12V集中電源一個，再用2*1.0紅黑電源線分別接給攝像頭，12V供電距離不可超過100米。在接個單個電源線接頭，再把單個電源線接頭和監(jiān)控?cái)z像頭電源接頭相連接即可。集中供電方式是指在監(jiān)控室或某個中間點(diǎn)采用12V開關(guān)電源向前端負(fù)載集中供電。與自立供電模式相比，較大的差別在于一個電源可以為多個攝像機(jī)提供電力供應(yīng)。集中供電的作用數(shù)據(jù)中心的管理對象主要包括基礎(chǔ)設(shè)施與IT基礎(chǔ)架構(gòu)兩大部分，如配電、網(wǎng)絡(luò)設(shè)備、安保等。集中監(jiān)控的目的就是要能夠通過管理與技術(shù)的應(yīng)用，對基礎(chǔ)設(shè)施與IT基礎(chǔ)架構(gòu)的運(yùn)行情況進(jìn)行監(jiān)視，實(shí)現(xiàn)故障與異常的實(shí)時發(fā)現(xiàn)與通知;此外還可以通過對監(jiān)控?cái)?shù)據(jù)搜集與整理，為容量管理、事件管理、問題管理、符合性管理提供分析的基礎(chǔ)，較終實(shí)現(xiàn)數(shù)據(jù)中心高可用性的目標(biāo)。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。南京消防32v電源批發(fā)價格</p><p style="text-indent:25px">自立供電模式什么是自立供電自立供電是指在每個攝像機(jī)前端安裝自立的安防監(jiān)控電源。南京消防32v電源批發(fā)價格</p><p style="text-indent:25px">監(jiān)控系統(tǒng)電源線線徑的選擇：假設(shè)四臺攝像機(jī)到監(jiān)控距離少于40米：每臺攝像機(jī)可單獨(dú)布RVV2×0.5電源線到監(jiān)控主機(jī)并用小型開關(guān)電源供電，如果4個半球或者機(jī)，也可以選擇2個12V1A電源或者1個12V2A電源，4個攝像機(jī)采用并聯(lián)取電的方式，比較節(jié)省線材，如果攝像機(jī)的數(shù)量較多，8個攝像機(jī)，則應(yīng)采用大功率的12V直流穩(wěn)壓電源集中供電，這個時候由于電流過大，必須考慮電源線上的壓降，一般情況下，8個攝像機(jī)的系統(tǒng)，較遠(yuǎn)距離不超過40米的，可以布RVV2*0.75的線材集中供電，如果16路的系統(tǒng)集中供電，就要選擇RVV2*1.0的電源線。南京消防32v電源批發(fā)價格</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3129112.html</p></div></div></div></div></div><div id="ec4nryc" class="page-right twoColRt"><div id="4eahhzs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wgyuqbb" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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