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src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725407109475/5481036.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yifcrya" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725407109475/5481036.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ti3tl89" 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>天津安防集中供電電源銷售廠家,安防</p><p><span>***更新：</span>2021-01-21 11:13:17</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="y2cumyv" 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: </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="rgifho2" class="page-proshow02"><p class="title">詳細說明</p><div id="zy8u7q8" class="box"><p><p style="text-indent:25px">安防監(jiān)控電源：常見問題： 1、?攝像機無圖像?（無信號）檢查攝像機電源是否是攝像機規(guī)定的電源標準。后端客戶端軟件是否已經(jīng)添加該攝像機，且IP地址是否與攝像機對應(yīng)。2、攝像機干擾嚴重攝像機周圍是否有強電干擾、磁場干擾、廣播干擾、電流諧波干擾等，找出干擾源。連接攝像機的網(wǎng)線是否是帶屏蔽的網(wǎng)線。網(wǎng)線是否和強電布線走在一起。攝像機的電源是否符合標準（如帶有濾波功能），天津安防集中供電電源銷售廠家，天津安防集中供電電源銷售廠家。3、攝像機紅外燈不開啟?攝像機是否有電，電壓是否滿足攝像機的要求。?周圍環(huán)境的照度是否滿足攝像機紅外燈開啟的條件4、電源燒壞直接引起全部電路癱瘓，及線路燒毀，天津安防集中供電電源銷售廠家，甚至導(dǎo)致火災(zāi) 。攝像頭數(shù)量比較多，供電的間隔不超越100米時，主張選用PoE供電。天津安防集中供電電源銷售廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津安防集中供電電源銷售廠家,安防" src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725407109475/5481036.png"></div><p style="text-indent:25px">故障隔離，避免個別設(shè)備損壞而影響系統(tǒng)的全局穩(wěn)定：因視頻門禁報警系統(tǒng)硬件設(shè)備的多樣性，勢必會涉及到一個電源給多個設(shè)備進行統(tǒng)一供電，此時就要注意選購的電源應(yīng)有多路輸出端自立供電輸出，并且要求電源能智能判斷輸出電流，這樣可以解決電源集中一路供電或當電源某一路輸出出現(xiàn)故障時不會影響其它路的供電輸出，哪怕是一路電源輸出直接短路了也不會影響到其他端口的輸出。當然，電源也不會因為一個端口短路而被燒壞。寬電壓適應(yīng)范圍，電源穩(wěn)定輸出：市電電壓波動時常發(fā)生，或偏高、或偏低。因此電源必須具備適應(yīng)寬范圍內(nèi)市電電壓波動，并且輸出的電壓能穩(wěn)定的在12V輸出，避免市電電壓的波動帶來的不穩(wěn)定供電，影響視頻門禁報警系統(tǒng)的正常穩(wěn)定運行。青島安防電源采購前期配置復(fù)雜監(jiān)控攝像機在啟動瞬間需要很大的啟動電源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津安防集中供電電源銷售廠家,安防" src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725389540717/2945405.png"></div><p style="text-indent:25px">電源在門禁報警系統(tǒng)的應(yīng)用及選擇：1、有效的防雷保護產(chǎn)品是否有防雷保護的判斷：①目測電源上是否有保護電路的設(shè)計。（此方法適合對電路硬件有研究人士）。②了解廠家在防雷的技術(shù)上面是否有技術(shù)的積累，如產(chǎn)品可靠性的實際演示。相關(guān)產(chǎn)品的防雷檢測報告等等。2、寬溫度適應(yīng)范圍溫度適應(yīng)范圍在-40度~85度之內(nèi)，就可以滿足要求了。具體的測試方法可以要求廠家配合提供，或者在質(zhì)保上能在合同條款明確以保證自己的合法權(quán)益。3、對后備電池智能充放電管理電源的充放電管理功能，主要是避免蓄電池過充而損壞蓄電池，也不會因為過度放電后重新充電，出現(xiàn)因充電電流過大而拉低其他設(shè)備的電流供應(yīng)，造成系統(tǒng)不穩(wěn)定的情況。</p><p style="text-indent:25px">集中供電的缺點：1、前期配置復(fù)雜監(jiān)控攝像機在啟動瞬間需要很大的啟動電源，而且遠距離的電力輸送會產(chǎn)生損耗，因此集中供電的功率并非是所有監(jiān)控攝像機的功率相加。采取集中供電模式，需要工程師對整個監(jiān)控系統(tǒng)有詳盡了解，以便做出合理方案。（實際上，由于攝像機在啟動瞬間，啟動電流很大，再加上工程上遠距離傳輸?shù)膿p耗，所以，監(jiān)控攝像機需要的電源，不是簡單地把所有攝像機的額定功率相加。正確的做法是把整個監(jiān)控系統(tǒng)的攝像機的額定功率相加再乘以1.3倍，這個是攝像機實際需要的功率，然后再加上約30%的損耗；較后再加上30%的余量，作為將來擴容使用。） 2、存在出現(xiàn)監(jiān)控系統(tǒng)癱瘓現(xiàn)象的可能性沒有采用UPS電源的集中供電模式下的供電系統(tǒng)一旦出現(xiàn)問題，將會導(dǎo)致整個監(jiān)控系統(tǒng)無法正常工作，陷入癱瘓狀態(tài)。電源燒壞直接引起全部電路癱瘓，及線路燒毀，甚至導(dǎo)致火災(zāi) 。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津安防集中供電電源銷售廠家,安防" src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725481952817/7903454.png"></div><p style="text-indent:25px">監(jiān)控攝像機電源功率配置的技術(shù)問題：在監(jiān)控攝像機電源的配置方面，也要注意一些細節(jié)，比如不能整個監(jiān)控系統(tǒng)共用一個電源，因為系統(tǒng)維修的時候，經(jīng)常需要打開、關(guān)閉電源。所有的監(jiān)控攝像機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，嚴重的會燒毀電源。另外一個原因就是所有的監(jiān)控攝像機共用一臺電源，當電源發(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)控攝像機，總共需要約800W的電源，如需采用PoE供電，正確的配置應(yīng)該是選擇4臺、每臺200W的PoE交換機，這種要求豐潤達16口系列和24口系列PoE交換機都滿足。這樣，當某一臺交換機發(fā)生故障，可以把重要出入口的攝像機接到其它好的交換機上，不至于影響整個系統(tǒng)的工作。檢修簡單，更換電源簡易因為每個攝像機都有自立的安防監(jiān)控電源。上海安防集中電源廠家推薦</p><p style="text-indent:25px">系統(tǒng)維修的時候，經(jīng)常需要打開、關(guān)閉電源。天津安防集中供電電源銷售廠家</p><p style="text-indent:25px">UPS和EPS的功能區(qū)別：EPS和UPS都具備市電旁路和逆變電路，但是EPS只具有持續(xù)供電功能，對逆變切換時間要求不高，目前大部分EPS還具備蓄電池單體檢測功能。EPS在市電中斷后才進行逆變輸出，電腦利用率高。而UPS一般強調(diào)其三大功能：對市電進行穩(wěn)頻和穩(wěn)壓處理；對切換時間要求極高的設(shè)備供電；凈化市電。日常著重整流和逆變的雙變換電路供電，電能利用率不高。但是UPS不**是在斷電時逆變供電，還可以在市電出現(xiàn)電壓偏差大、浪涌等異常情況時提供穩(wěn)定的電力輸出，這是EPS所不具備的。3)UPS和EPS在應(yīng)用范圍的不同EPS主要用于消防類負荷以及一些對切換時間要求不高，但需要持續(xù)供電的設(shè)備。UPS主要用于計算機、數(shù)字信息系統(tǒng)等對供電質(zhì)量要求較高的負載。天津安防集中供電電源銷售廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2946565.html</p></div></div></div></div></div><div id="8mbtq2d" class="page-right twoColRt"><div id="tyvn2ji" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bq8ryac" 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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