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class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_aqfh/">安全、防護(hù)</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?cái)z像機(jī)</a>?淄博化工廠防爆攝像機(jī)廠家歡迎來(lái)電深圳市容方電子供應(yīng)</p><div id="qtpwalx" class="leftbox clearfix"><h1>淄博化工廠防爆攝像機(jī)廠家歡迎來(lái)電深圳市容方電子供應(yīng)</h1><div id="lf33e8e" class="proBig"><div id="lk34mog" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303440314726562/141098.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nxe3iac" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303440314726562/141098.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2uyapgn" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>淄博化工廠防爆攝像機(jī)廠家,防爆</p><p><span>最后更新：</span>2021-01-28 02:08:24</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="gfmelsk" 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(jī): </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(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="x2sp7m2" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3m4c9cl" class="box"><p><p style="text-indent:25px">大多數(shù)防爆攝像機(jī)已經(jīng)告別了黑白時(shí)代，轉(zhuǎn)向彩色。但是采用全彩色監(jiān)控模式就真的適用所有環(huán)境嗎？經(jīng)過(guò)筆者測(cè)試發(fā)現(xiàn)，答案并非和預(yù)想那樣完美。傳感器色彩還原敏感度。以防爆攝像機(jī)主流CCD和CMOS傳感器來(lái)說(shuō)，二者設(shè)計(jì)之初在感光度和色彩還原上有著"與生俱來(lái)"的差距。CMOS靶面更大、可實(shí)現(xiàn)更高的分辨率，淄博化工廠防爆攝像機(jī)廠家，透光后可實(shí)現(xiàn)快速響應(yīng)；而CCD感紅外能力強(qiáng)。色彩還原好，因靶面材質(zhì)差異，才會(huì)出現(xiàn)成像的差異性。模擬防爆攝像機(jī)內(nèi)置CCD傳感器，考慮到網(wǎng)絡(luò)高清防爆攝像機(jī)高清圖像，使用了CMOS傳感器，在同樣光線條件下，淄博化工廠防爆攝像機(jī)廠家，其實(shí)二者差距并不大，用分辨率彌補(bǔ)光線的影響，淄博化工廠防爆攝像機(jī)廠家，如果將傳感器互換，不會(huì)改變畫質(zhì)的根本組成。必須同時(shí)執(zhí)行電力部《電業(yè)安全工作規(guī)程》等有關(guān)規(guī)程和標(biāo)準(zhǔn)。淄博化工廠防爆攝像機(jī)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博化工廠防爆攝像機(jī)廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303440314726562/141098.png"></div><p style="text-indent:25px">防爆攝像機(jī)的防爆原理：本質(zhì)安全型結(jié)構(gòu)。本質(zhì)安全型結(jié)構(gòu)光適用于弱電流回路，如測(cè)試儀表、控制裝置等小型電氣設(shè)備上。無(wú)論是正常情況下，還是非正常情況下產(chǎn)生的電火花或危險(xiǎn)溫度，都不會(huì)使危險(xiǎn)物質(zhì)引起危險(xiǎn)，因此是安全性較高的防爆結(jié)構(gòu)，其中電路或設(shè)備上的所有元件表面溫度必須小于規(guī)定，以防止熱效應(yīng)引起的點(diǎn)燃。本質(zhì)安全型防爆結(jié)構(gòu)的電氣回路必須與其它電路相隔離，以防混線電磁或靜電感應(yīng)，特別使結(jié)構(gòu)外部的配線，要采取周密的措施，才能確保電氣設(shè)備和配線的防爆性能。漢中室外防爆紅外攝像機(jī)哪家好假如傳輸線纜沒(méi)問(wèn)題，再查看信號(hào)的接入設(shè)備。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博化工廠防爆攝像機(jī)廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303440274306641/2647442.png"></div><p style="text-indent:25px">防爆監(jiān)控?cái)z像機(jī)的運(yùn)行模式：網(wǎng)橋模式。該模式可以說(shuō)是理想的了，即使橋壞了，只要簡(jiǎn)樸做個(gè)跳線就可以了，由于橋是透明的可以看成網(wǎng)線，即使橋壞了就可以理解為網(wǎng)線壞了換一條而已；支持多VLAN、無(wú)線、千M萬(wàn)M、以及VPN、多出口等等幾乎所有的網(wǎng)絡(luò)情況，即是理解為那是網(wǎng)線而已。原理是雙網(wǎng)卡做成透明橋，而橋是工作在第2層的，所以可以簡(jiǎn)樸理解為橋?yàn)橐粭l網(wǎng)線，因此機(jī)能是幾乎沒(méi)有損失；WINPCAP本身并不支持該模式。防爆視頻監(jiān)控生產(chǎn)廠家，專注防爆監(jiān)控領(lǐng)域,,擁有防爆攝像機(jī),防爆攝像頭,防爆紅外攝像機(jī),車載防爆攝像機(jī),防爆紅外熱像儀,網(wǎng)絡(luò)高清防爆攝像機(jī),防爆高速球,防爆監(jiān)視器等多種防爆視頻監(jiān)控產(chǎn)品,可為您提供各種防爆設(shè)備,是集研發(fā)、生產(chǎn)、銷售、服務(wù)于一體的防爆視頻監(jiān)控服務(wù)商。</p><p style="text-indent:25px">防爆攝像頭的原理與選用：目前防爆攝像頭的國(guó)際主流方式是隔爆型。其特征在于將常規(guī)的普通攝像機(jī)放在特制的外殼內(nèi)，該外殼具有將殼內(nèi)電氣部件產(chǎn)生的火花和電弧與殼外危險(xiǎn)性混合物隔離開(kāi)的作用，并能承受進(jìn)入殼內(nèi)的危險(xiǎn)性混合物被殼內(nèi)電氣設(shè)備的火花、電弧引起危險(xiǎn)時(shí)所產(chǎn)生的危險(xiǎn)壓力，而外殼不被破壞;同時(shí)能防止殼內(nèi)危險(xiǎn)生成物向殼外危險(xiǎn)性混合物傳爆，不會(huì)引起殼外危險(xiǎn)性混合物燃燒和危險(xiǎn)。這種具有隔爆外殼的攝像機(jī)就是隔爆型防爆攝像頭。而這種特殊的外殼叫隔爆外殼，我們通常叫它隔爆攝像儀防護(hù)罩。防爆攝像機(jī)維護(hù)：提供每月一次定期信息服務(wù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博化工廠防爆攝像機(jī)廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439477958984/9819472.png"></div><p style="text-indent:25px">防爆紅外攝像機(jī)畫面不清晰的原因：1、內(nèi)置的是低劣攝像機(jī)，照度極高。很多工廠為了在同樣的紅外燈輔光前提下獲得更亮的圖像，人為的調(diào)高CCD的靈敏度。因?yàn)楹芏嗌a(chǎn)商為了價(jià)格競(jìng)爭(zhēng)，使用非常低劣的攝像機(jī)內(nèi)置里面，這種攝像機(jī)在紅外燈補(bǔ)光不足的情況下，為提到更亮，于是人為調(diào)高CCD的增益靈敏度，跟我們?cè)谟脖P錄像機(jī)上調(diào)高亮度一樣，是極易出現(xiàn)雪花現(xiàn)象的。2、可能是在室外比較多灰塵的環(huán)境下。特別是在野外，就有可能是攝像機(jī)里的紅外燈把肉眼看不到的細(xì)小顆粒拍出來(lái)了，這在白天紅外燈不開(kāi)啟的情況下，肉眼及攝像機(jī)感覺(jué)不明顯的，這種現(xiàn)象是環(huán)境使然。產(chǎn)生雪花點(diǎn)多的原因比較多，但辦法總比困難多。只要發(fā)現(xiàn)了真實(shí)的原因所在，解決起來(lái)就簡(jiǎn)單多了，只要你愿意花成本，花時(shí)間。防爆紅外攝像機(jī)在工作過(guò)程中，尤其是室外攝像機(jī)常常會(huì)因四季變化、晝夜溫差。淄博防火防爆紅外攝像頭</p><p style="text-indent:25px">防爆紅外攝像機(jī)畫面不清晰解決：用萬(wàn)用表測(cè)試電壓與電流大小，確保紅外燈正常工作。淄博化工廠防爆攝像機(jī)廠家</p><p style="text-indent:25px">防爆攝像機(jī)解析度技術(shù)分析：垂直清晰度完全由信號(hào)格式?jīng)Q定，這非常易懂。而水平清晰度卻是較容易令人混淆的概念，其中較大的問(wèn)題就是因?yàn)樗角逦扔卸喾N表達(dá)方式。在防爆攝像機(jī)這樣的視頻監(jiān)控領(lǐng)域，我們更習(xí)慣使用“每圖像高度”的像素多少來(lái)表示水平清晰度，或者稱之為“電視線”。這種習(xí)慣的由來(lái)要追溯到電視機(jī)誕生的60年前。當(dāng)時(shí)，由于信號(hào)的格式已經(jīng)決定了圖像的垂直清晰度，因此專家們的想法是用和垂直清晰相關(guān)的方式來(lái)表示水平清晰度。也就是說(shuō)，到底是水平方向更清晰還是垂直方向更清晰，通過(guò)這個(gè)相對(duì)的清晰度表示就可以一目了然。由于這個(gè)原因，水平清晰度被定義為：在和屏幕高度相等的水平方向上可以顯示的像素?cái)?shù)。在這種定義下得到的清晰度就叫做“電視線”，也就是所謂的線數(shù)。所以，當(dāng)仍然聽(tīng)到別人講視頻信號(hào)有多少清晰度的時(shí)候，它并不是指從圖像較左邊到較右邊有多少像素組成，而是指在和圖像高度相同的水平寬度上有多少像素。淄博化工廠防爆攝像機(jī)廠家</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3040718.html</p></div></div></div></div></div><div id="fe3sbse" class="page-right twoColRt"><div id="nc7nctk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sceqx3h" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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