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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="c3vhy9m" class="twoCol"><div id="2irdfza" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_aqfh/">安全、防護</a>?<a href="http://www.cdcfah.com/cp/second-aqfh_afjksb/">安防監(jiān)控設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-afjksb_jksxj/">監(jiān)控攝像機</a>?工業(yè)防爆紅外攝像機哪家好和諧共贏深圳市容方電子供應</p><div id="v2biude" class="leftbox clearfix"><h1>工業(yè)防爆紅外攝像機哪家好和諧共贏深圳市容方電子供應</h1><div id="qeqsei2" class="proBig"><div id="7qmogiu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439913671875/4616277.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="esug3wd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439913671875/4616277.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vykwary" 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>工業(yè)防爆紅外攝像機哪家好,防爆</p><p><span>***更新：</span>2021-01-11 06:11:25</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="qo8x877" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市容方電子制造有限公司銷售</a></p><p><span>聯(lián)系人：</span>范烜晶</p><p><span>郵箱: </span></p><p><span>電話: </span>13509641599</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.szrongfang.com.cn</p><p><span>手機: </span>0755-33616813</p><p><span>地址: </span>布吉街道上水徑恒通工業(yè)城廠房4棟二樓202-1</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="8sip7xo" class="page-proshow02"><p class="title">詳細說明</p><div id="gk3vpvm" class="box"><p><p style="text-indent:25px">監(jiān)控鏡頭指防爆攝像機的鏡頭，也指防爆攝像頭，由于防爆攝像機只是一個單一的視頻捕捉設(shè)備，鏡頭的像素和分辨率比電腦的視頻頭要高但是趕不上專業(yè)的數(shù)碼相機。在實際應用中，工業(yè)防爆紅外攝像機哪家好，經(jīng)常會有用戶提出該防爆攝像機能看清楚多么遠的物體或該防爆攝像機能看清楚多寬的場景等問題，這實際上要由所選用的鏡頭的焦距來決定，另外還與所選擇的防爆攝像機的分辨率及監(jiān)視器的分辨率有關(guān)。光學系統(tǒng)的焦距是指光組主點到焦點的距離。而鏡頭的焦距實際上就是構(gòu)成鏡頭的組合光組的焦距，它決定了攝取圖象的大小，用不同焦距的鏡頭對同一位置的物體攝像時，配長焦距鏡頭的防爆攝像機所攝取的景物尺寸就小，反之，配短焦距鏡頭的防爆攝像機所攝取的景物尺寸就大，工業(yè)防爆紅外攝像機哪家好。理論上，任何一種鏡頭均可拍攝很遠處的物體，并在防爆攝像機的成像靶面上成一個很小的像，但受像素的限制，當成像小到小于圖像傳感器的一個象素大小時，便不再能形成被攝物體的像，工業(yè)防爆紅外攝像機哪家好，即便成像有幾個象素大小，該圖像也難以辨別為何物。紅外防水攝像機的起霧結(jié)霜問題。工業(yè)防爆紅外攝像機哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工業(yè)防爆紅外攝像機哪家好,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439913671875/4616277.png"></div><p style="text-indent:25px">防爆攝像機的紅外燈選擇技巧：對LED紅外燈來說，其要問題的關(guān)鍵還是在于發(fā)熱量大。由于發(fā)熱量大，散熱不好導致整個防爆紅外攝像機的老化加快，致使短時間內(nèi)產(chǎn)品性能下降很快。要想解決紅外燈發(fā)熱量大的問題是比較困難的，但是，可以加強整個防爆紅外攝像機的散熱功能，從側(cè)面角度解決整個防爆紅外攝像機老化快，使用壽命短的問題。紅外燈的類型是比較多的，而LED紅外燈相對于防爆紅外攝像機來說是其中比較使用的一種，其他幾種相對于防爆紅外攝像機來說就不太合適，現(xiàn)在完全由LED所取代了。東營專業(yè)防爆紅外攝像機哪家好防爆紅外攝像機在工作過程中，尤其是室外攝像機常常會因四季變化、晝夜溫差。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工業(yè)防爆紅外攝像機哪家好,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439826103516/990048.png"></div><p style="text-indent:25px">防爆紅外攝像機畫面不清晰的原因：1、手工藝問題。很多手工安裝的時候，紅外燈不集中，散光了。分散的光線導致到處有光，一片灰蒙蒙的現(xiàn)象。紅外燈前端的棉花檔光不嚴密，因此一片蒼茫現(xiàn)象。2、紅外燈質(zhì)量差，紅外燈的角度及紅外距離跟鏡頭不匹配導致雪花飄。很多公司為了方便自己的采購及安裝，用多種角度不同的燈混合在一起使用，這樣使用的好處是他們同一種燈可以勉強使用不同毫米大小的鏡頭，壞處是總是讓人感覺燈的角度與距離與鏡頭不合適，當角度不合適的時候，容易出現(xiàn)手電筒現(xiàn)象或者窄電現(xiàn)象。當距離不匹配時，比如你用12MM的鏡頭，卻用十到二十米的燈，那么就會出現(xiàn)灰蒙蒙的現(xiàn)象，遠處一片模糊，近處雪花飄飄。還有，劣質(zhì)的紅外燈，除了裝飾外，燈越多，問題越多；燈越集中，發(fā)熱量越大，越容易燒壞。</p><p style="text-indent:25px">防爆攝像機解析度技術(shù)分析：對于PAL制來說，你較后看到的垂直分辨率是625。進一步講，我們看到的一幅畫面并不是由所有的625行組成。實際上，還有49行用于傳輸其它信息，比如閉合字幕、圖文、測試信號等，同時當電子束從較底部回到較上部來開始掃描下一幅圖像還需要一些時間。去掉這些我們“看不到”的行數(shù)，我們看到的一幅畫面實際上較多由576行組成。這也是PAL制的較高垂直分辨率。更進一步，由于顯像的原因和人的視覺特性，這576行只是理論上的分辨率而已。實際你“看到”的圖像的垂直分辨率還必須乘以一個小于1的修正系數(shù)，這個系數(shù)稱為Kell系數(shù)。對于隔行掃描，Kell系數(shù)0.7，因此對于PAL制來說，較后顯示出來的圖像的垂直清晰度是400線左右。實際觀看測試圖的時候，由于不考慮Kell系數(shù)，觀察得到的垂直清晰度通常可以達到450線左右。防爆攝像頭：水蒸氣遇冷凝結(jié)而成，因低溫環(huán)境的強、弱分別凝結(jié)成霜和霧。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工業(yè)防爆紅外攝像機哪家好,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439744218750/3085264.png"></div><p style="text-indent:25px">低照度防爆攝像機不借助輔助光源，憑著其自身感光性能和數(shù)字信號處理的優(yōu)勢，在光線極低的環(huán)境中完成監(jiān)控。低照度防爆攝像機器件品質(zhì)選擇要比普通防爆攝像機高，還會應用一些獨特的技術(shù)來進一步提升低照度性能，深圳劉星解釋說：“的產(chǎn)品一般使用光學級大強度高透光超白防爆玻璃，這種玻璃的光通率高于96%，有利于光線的攝取，還有關(guān)鍵的機芯，選擇的SONY較高的CCD傳感器”。因此低照度防爆攝像機的成本較高。而防爆紅外攝像機是借助LED燈進行輔助照明，使其有充足的光照度完成監(jiān)控，所以其成本也相對比較低。在沒有特殊要求的夜視監(jiān)控場所下，一般選用成本相對較低的防爆紅外攝像機。但由于防爆紅外攝像機需要借助紅外燈進行輔助照明，在某些場合不適宜使用防爆紅外攝像機進行監(jiān)控，只能使用低照度防爆攝像機進行監(jiān)控。防爆攝像頭的防護：室外的設(shè)備需要考慮防止直擊雷擊。工業(yè)防爆紅外攝像機哪家好</p><p style="text-indent:25px">防爆攝像頭的防護：我國市面上有部分防爆監(jiān)控攝像機在密封性上存在一定的技術(shù)問題。工業(yè)防爆紅外攝像機哪家好</p><p style="text-indent:25px">防爆紅外攝像機主要用于在無可見光或者微光的黑暗環(huán)境下，采用紅外發(fā)射裝置主動將紅外光投射到物體上，紅外光經(jīng)物體反射后進入鏡頭進行成像。這時我們所看到的是由紅外光反射所成的畫面，而不是可見光反射所成的畫面，這時便可拍攝到黑暗環(huán)境下肉眼看不到的畫面。光是一種電磁波，它的波長區(qū)間從幾納米到1毫米左右。人眼可見的只是其中一部分，我們稱之為可見光，可見光的波長范圍為380nm~780nm，可見光波長由長到短分為紅、橙、黃、綠、青、藍、紫光，波長比紫光短的稱為紫外光，波長比紅外光長的稱為紅外光。通常人們將紅外光劃分為近、中、遠紅外三部分。工業(yè)防爆紅外攝像機哪家好</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2796983.html</p></div></div></div></div></div><div id="xqcj9xo" class="page-right twoColRt"><div id="rf33yu2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qozlp7x" 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="dipr9qc" class="recomPic likePro"><a 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