青島安防監(jiān)控開關電源銷售推薦咨詢深圳市保益新能電氣供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="安防監(jiān)控電源幾中供電方式的選擇：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前端安裝自立的安防監(jiān)控電源，此安防監(jiān)控電源只為一個攝像機提供電力供應。自立供電的好1、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，在攝像機出現(xiàn)"><meta name="keywords" content="青島安防監(jiān)控開關電源銷售,安防"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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href="http://www.cdcfah.com/cp/third-afjksb_jiemaqiut/">解碼器</a>?青島安防監(jiān)控開關電源銷售推薦咨詢深圳市保益新能電氣供應</p><div id="mqnkm77" class="leftbox clearfix"><h1>青島安防監(jiān)控開關電源銷售推薦咨詢深圳市保益新能電氣供應</h1><div id="es3umov" class="proBig"><div id="qpmjbnp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725456034827/1056215.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="odacz74" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725456034827/1056215.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zy7zbdf" 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)品關鍵詞：</span>青島安防監(jiān)控開關電源銷售,安防</p><p><span>***更新：</span>2021-01-22 01:09:32</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="ts2ov84" 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="8vh2z8x" class="page-proshow02"><p class="title">詳細說明</p><div id="v3miaxu" class="box"><p><p style="text-indent:25px">安防監(jiān)控電源幾中供電方式的選擇：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前端安裝自立的安防監(jiān)控電源，此安防監(jiān)控電源只為一個攝像機提供電力供應。自立供電的好1、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，在攝像機出現(xiàn)故障的時候，可以迅速就出現(xiàn)故障的攝像機進行故障排查。若檢查出因安防監(jiān)控電源引起的故障，*需對單個故障電源進行修理貨更換，青島安防監(jiān)控開關電源銷售。2，青島安防監(jiān)控開關電源銷售、避免出現(xiàn)監(jiān)控系統(tǒng)癱瘓現(xiàn)象用UPS，青島安防監(jiān)控開關電源銷售，將會導致整個監(jiān)控系統(tǒng)無法正常工作，陷入癱瘓狀態(tài)。而在自立供電模式下，因安防監(jiān)控電源的故障，而導致單個或數(shù)個攝像機無法工作，避免出現(xiàn)監(jiān)控系統(tǒng)癱瘓現(xiàn)象。自立供電的不足1、成本過高多個自立安防監(jiān)控電源的成本之和，一般要比同等功率輸出的集中電源要高。此成本，不將線纜成本計算在內(nèi)。2、遭遇外力破壞的幾率更高因為自立安防監(jiān)控電源往往與攝像機距離較近，若是在室外條件下，更容易遭受日曬雨淋、雷擊等外力破壞因素的影響。因此選擇戶外**的自立安防監(jiān)控電源，尤其要注重該自立安防監(jiān)控電源的防護性能。從輸出性質(zhì)可分為穩(wěn)壓電源和穩(wěn)流電源及集穩(wěn)壓、穩(wěn)流于一身的穩(wěn)壓穩(wěn)流（雙穩(wěn)）電源。青島安防監(jiān)控開關電源銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島安防監(jiān)控開關電源銷售,安防" src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725456034827/1056215.png"></div><p style="text-indent:25px">安防電源選用電源作為安防系統(tǒng) 的"心臟",任何安防設備,離開電源均不能工作,電源的安全,可靠是保證通信系統(tǒng)正常運行的重要條件. 穩(wěn)壓電源的分類: 穩(wěn)壓電源的分類:線性穩(wěn)壓電源和開關穩(wěn)壓電源線性穩(wěn)壓電源: 線性穩(wěn)壓電源: 線性穩(wěn)壓電源的工作過程可簡述為:將 220V/50HZ 的工頻電網(wǎng)電壓經(jīng)過線性變壓器降壓以后,再經(jīng)過整流,濾波和線性穩(wěn)壓,較后輸出一個紋波電壓和穩(wěn)定性均符合要求的直流電壓. 線性穩(wěn)壓電源的優(yōu)點: 線性穩(wěn)壓電源的優(yōu)點: 1,電源穩(wěn)定度較高; 2,輸出紋波電壓較小; 3,瞬間響應速度較快; 4,線路結(jié)構(gòu)簡單,便于理解和維修; 5,無高頻開關噪聲; 6,工作可靠性高. 線性穩(wěn)壓電源的缺點: 線性穩(wěn)壓電源的缺點: 1,內(nèi)部功耗大,轉(zhuǎn)換效率低,其轉(zhuǎn)換效率只有 45%左右。青島安防監(jiān)控開關電源銷售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前端安裝自立的安防監(jiān)控電源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島安防監(jiān)控開關電源銷售,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：需要配置的電源功率=攝像機的額定功率*1.3*1.3*1.3 （注：如果監(jiān)控距離特別長，需要適當加大電源功率，并且提高電源電壓）。網(wǎng)絡攝像機電源的配置，較忌諱什么？較忌諱的是：整個監(jiān)控系統(tǒng)共用一個電源。原因如下： 1) 系統(tǒng)維修的時候，經(jīng)常需要打開、關閉電源。所有的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， 2) 所有的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。尤其是一些重要出入口的圖像無法監(jiān)視，可能會造成不必要的麻煩。那么正確的做法應該是怎樣呢？如上面例子，一個商務樓有100臺固定攝像機，總共需要約800W的電源，正確的配置應該是選擇4臺、每臺200W的電源。這樣，當某一臺電源發(fā)生故障，可以把重要出入口的攝像機接到其它好的電源上，不至于影響整個系統(tǒng)的工作。</p><p style="text-indent:25px">監(jiān)控系統(tǒng)的供電知識要點：一、電源適配器電源：是一種把其它形式的能量轉(zhuǎn)換成電能的裝置，習慣于稱之為電源，或電源適配器。安防電源：安防電源是專業(yè)為安防類電子產(chǎn)品設計與生產(chǎn)的電源適配器，以紋波小，壽命長而特殊，監(jiān)控攝像機電源的DC插頭：標準一般標準，DC插頭的結(jié)構(gòu)形式：單頭線和并聯(lián)型多頭線二、電源分類1、線性穩(wěn)壓電源1.1、線性穩(wěn)壓電源：線性穩(wěn)壓電源按習慣可分為變壓器型線性穩(wěn)壓電源和開關型線性穩(wěn)壓電源兩大類型，1.1.1、變壓器型線性穩(wěn)壓電源：它有一個共同的特點就是功率器件調(diào)整管工作在線性區(qū)，靠調(diào)整管之間的電壓降來穩(wěn)壓輸出。由于調(diào)整管靜態(tài)損耗大，需要安裝一個很大的散熱器給它散熱。而且由于變壓器工作在工頻（50Hz)上,所以重量較大。該類電源優(yōu)點是穩(wěn)定性高，紋波極小，易做成多路，輸出連續(xù)可調(diào)的成品。缺點是體積大、較笨重、效率相對較低。這類穩(wěn)定電源又有很多種，從輸出性質(zhì)可分為穩(wěn)壓電源和穩(wěn)流電源及集穩(wěn)壓、穩(wěn)流于一身的穩(wěn)壓穩(wěn)流（雙穩(wěn)）電源。請選擇AC24V的電源，因為同樣的傳輸距離，電壓越高，損耗越小，線的成本也越小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島安防監(jiān)控開關電源銷售,安防" src="https://tyunfile.71360.com/UploadFile/baoyixinneng/637441725389540717/2945405.png"></div><p style="text-indent:25px">開關電源和普通的電源有什么區(qū)別：普通的電源一般是線性電源,線性電源，是指調(diào)整管工作在線性狀態(tài)下的電源.而在開關電源中則不一樣，開關管（在開關電源中，我們一般把調(diào)整管叫做開關管）是工作在開、關兩種狀態(tài)下的：開——電阻很??；關——電阻很大。開關電源是一種比較新型的電源。它具有效率高，重量輕，可升、降壓，輸出功率大等優(yōu)點。但是由于電路工作在開關狀態(tài)，所以噪聲比較大。通過下圖，我們來簡單的說說降壓型開關電源的工作原理。如圖所示，電路由開關K（實際電路中為三極管或者場效應管），續(xù)流二極管D，儲能電感L，濾波電容C等構(gòu)成。當開關閉合時，電源通過開關K、電感L給負載供電，并將部分電能儲存在電感L以及電容C中。所有的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。青島安防監(jiān)控開關電源銷售</p><p style="text-indent:25px">如果是在室內(nèi)，可以用好點的帶護套電源線。青島安防監(jiān)控開關電源銷售</p><p style="text-indent:25px">電源在門禁報警系統(tǒng)的應用及選擇：測量電源實際輸出功率門禁報警系統(tǒng)中涉及到要供電的設備非常繁多，為保證各設備都能正常穩(wěn)定運行，電源需要有足夠的電量給各設備供電。選購電源時，要特別注意電源的標稱值，而且對于實際參數(shù)較好實地進行測試，因為市面上有一些價格低廉的門禁電源在實際應用中往往達不到標稱值，嚴重影響了門禁報警系統(tǒng)的正常穩(wěn)定運行。建議選購電源時選擇技術參數(shù)達標、質(zhì)量可靠、信譽好、適用于門禁報警系統(tǒng)的電源廠家。目前有些門禁的廠家，電源是搭配和控制器一起銷售的，通常來說這類廠家對于電源選擇是考慮了項目的實際應用情況的，對于系統(tǒng)整體的質(zhì)量也有更好的保障。青島安防監(jiān)控開關電源銷售</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2949904.html</p></div></div></div></div></div><div id="zlifhol" class="page-right twoColRt"><div id="xcero84" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nbikhjl" 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" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="8phjqx7" 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