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class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="dxu7q4p" class="twoCol"><div id="zy8xmyk" 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>?蘭州無(wú)線防爆紅外攝像頭廠家誠(chéng)信經(jīng)營(yíng) 深圳市容方電子供應(yīng)</p><div id="zhumo7p" class="leftbox clearfix"><h1>蘭州無(wú)線防爆紅外攝像頭廠家誠(chéng)信經(jīng)營(yíng) 深圳市容方電子供應(yīng)</h1><div id="kuwtv97" class="proBig"><div id="3bdp38x" 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="ed2z7ak" 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="y3qkqfr" 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>蘭州無(wú)線防爆紅外攝像頭廠家,防爆</p><p><span>***更新：</span>2021-01-20 08:09:46</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="qheiynz" 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="rqs7bqs" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="dczb3hz" class="box"><p><p style="text-indent:25px">防爆攝像機(jī)監(jiān)控系統(tǒng)的常見(jiàn)故障及排除：1、監(jiān)視器上產(chǎn)生較深較亂的大面積網(wǎng)紋干擾，以至圖像全部破壞，形不成圖像和同步信號(hào)。由于視頻電纜線的芯線與屏蔽網(wǎng)短路、斷路造成的故障。這種故障多出現(xiàn)在BNC接頭或其它類型的視頻接頭上。即這種故障現(xiàn)象出現(xiàn)時(shí)，往往不會(huì)是整個(gè)系統(tǒng)的各路信號(hào)均出問(wèn)題，而光光出現(xiàn)在那些接頭不好的路數(shù)上。只要認(rèn)真逐個(gè)檢查這些接頭，就可以解決。2、距離過(guò)遠(yuǎn)時(shí)，操作鍵盤(pán)無(wú)法通過(guò)矩陣對(duì)攝像機(jī)(包括鏡頭)和云臺(tái)進(jìn)行遙控。這主要是因?yàn)榫嚯x過(guò)遠(yuǎn)時(shí)，控制信號(hào)衰減太大，矩陣接受到的控制信號(hào)太弱引起的。這時(shí)應(yīng)該在一定的距離上加裝中繼盒以放大整形控制信號(hào)，蘭州無(wú)線防爆紅外攝像頭廠家。3、色調(diào)失真。這是在遠(yuǎn)距離的視頻基帶傳輸方式下容易出現(xiàn)的故障現(xiàn)象。主要原因是由傳輸線引起的信號(hào)高頻段相移過(guò)大而造成的。這種情況應(yīng)加相位補(bǔ)償器，蘭州無(wú)線防爆紅外攝像頭廠家，蘭州無(wú)線防爆紅外攝像頭廠家。紅外燈離鏡頭太近，形成反光，紅外燈與鏡頭太近的攝像機(jī)。蘭州無(wú)線防爆紅外攝像頭廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘭州無(wú)線防爆紅外攝像頭廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303440314726562/141098.png"></div><p style="text-indent:25px">防爆攝像機(jī)生產(chǎn)四標(biāo)準(zhǔn)：1.嚴(yán)格審核防爆生產(chǎn)廠家的防爆資格：原國(guó)標(biāo)對(duì)廠家的生產(chǎn)許可證(《全國(guó)工業(yè)品生產(chǎn)許可證<防爆電器>》、《防爆合格證》、《煤礦產(chǎn)品安全證書(shū)》)顯得模棱兩可，現(xiàn)在要求廠家必須取得生產(chǎn)許可證，沒(méi)有生產(chǎn)許可證或許可證不齊全的廠家相對(duì)不允許生產(chǎn)，且每類產(chǎn)品都要有相關(guān)證件，無(wú)模糊地帶；2.定期檢查具體化：原標(biāo)準(zhǔn)對(duì)檢查周期、何種情況下檢查未作明確規(guī)定，而新標(biāo)準(zhǔn)對(duì)此作了明確要求；3.強(qiáng)調(diào)防塵防水的防護(hù)等級(jí)：原標(biāo)準(zhǔn)不對(duì)防爆產(chǎn)品的防護(hù)等級(jí)進(jìn)行要求，而新標(biāo)準(zhǔn)則在防爆產(chǎn)品的防護(hù)等級(jí)做了詳細(xì)要求，目前廠家采用較多的是難度較高的IP67標(biāo)準(zhǔn)，也有IP65的，有些廠家產(chǎn)品甚至達(dá)到IP68的防護(hù)等級(jí)；4.刑責(zé)力度加大：原標(biāo)準(zhǔn)將無(wú)證經(jīng)營(yíng)定性為違規(guī)經(jīng)營(yíng)，現(xiàn)在則定性為違法經(jīng)營(yíng)，從法律上加大了監(jiān)督審核力度。咸陽(yáng)高清防爆紅外攝像頭防爆監(jiān)控?cái)z像機(jī)使用：IIA類：甲醇、乙醇、丙醇、丁醇、甲酸甲酯、甲酸乙酯、醋酸乙酯。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘭州無(wú)線防爆紅外攝像頭廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439816044922/4103117.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。</p><p style="text-indent:25px">防爆攝像機(jī)選型原理：就防爆攝像機(jī)本身而言，光電結(jié)構(gòu)和普通的工業(yè)攝像機(jī)并無(wú)本質(zhì)上的差異。其特征在于使用一種或一種以上的防爆型式對(duì)工業(yè)攝像機(jī)進(jìn)行處理，使之能夠在易燃易爆的現(xiàn)場(chǎng)環(huán)境中應(yīng)用。早期的防爆攝像機(jī)以本質(zhì)安全型和正壓型為主。本質(zhì)安全型防爆攝像機(jī)的特點(diǎn)在于對(duì)攝像機(jī)的電路進(jìn)行本質(zhì)安全處理，電氣之線路輸出或輸入均被設(shè)計(jì)控制在不足以產(chǎn)生使氫氣發(fā)生引火危險(xiǎn)的能量以下，使其在正常工作中不會(huì)產(chǎn)生電火花、電弧及高溫，從而避免引起危險(xiǎn)易爆物質(zhì)。這種類型的防爆攝像機(jī)結(jié)構(gòu)單位成本過(guò)高是較大缺點(diǎn)，此外也不利于日后的升級(jí)。正壓型是早期美系防爆攝像機(jī)產(chǎn)品的常用結(jié)構(gòu)，使用中維護(hù)相當(dāng)不便，如不精心維護(hù)，引起危險(xiǎn)性相當(dāng)大。此結(jié)構(gòu)目前所見(jiàn)除極少數(shù)某地廠商仍在制造外，基本已被防爆攝像機(jī)行業(yè)較全淘汰。防爆攝像頭：遇到暴雨時(shí)，監(jiān)控設(shè)備事先做好防御顯得格外重要。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘭州無(wú)線防爆紅外攝像頭廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303440256816406/5266517.png"></div><p style="text-indent:25px">防爆攝像機(jī)監(jiān)控系統(tǒng)的常見(jiàn)故障及排除：監(jiān)視器的畫(huà)面上產(chǎn)生若干條間距相等的豎條干擾，干擾信號(hào)的頻的整數(shù)倍。由于傳輸線的特性阻抗不匹配引起的故障現(xiàn)象：這是由于視頻傳輸線的特性阻抗不是75歐姆而導(dǎo)致阻抗失配造成的。也可以說(shuō)，產(chǎn)生這種干擾現(xiàn)象是由視頻電纜的特性阻抗和分布參數(shù)都不符合要求綜合引起的。解決的方法一般靠“始端串接電阻”或“終端并接電阻”的方法去解決。另外，值得注意的是，在視頻傳輸距離很短時(shí)(一般為150米以內(nèi))，使用上述阻抗失配和分布參數(shù)過(guò)大的視頻電纜不一定會(huì)出現(xiàn)上述的干擾現(xiàn)象。解決上述問(wèn)題的根本方法是在選購(gòu)視頻電纜時(shí)，一定要保證質(zhì)量。必要時(shí)應(yīng)對(duì)電纜進(jìn)行抽樣檢測(cè)。防爆攝像機(jī)維護(hù)：根據(jù)防爆監(jiān)控系統(tǒng)各部份設(shè)備的使用說(shuō)明。淄博球形防爆監(jiān)控?cái)z像機(jī)廠家</p><p style="text-indent:25px">防爆攝像機(jī)維護(hù)：相對(duì)濕度應(yīng)控制在10%～80%。蘭州無(wú)線防爆紅外攝像頭廠家</p><p style="text-indent:25px">防爆攝像頭的原理與選用：就防爆攝像頭本身而言，光電結(jié)構(gòu)和普通的工業(yè)攝像機(jī)并無(wú)本質(zhì)上的差異。其特征在于使用一種或一種以上的防爆型式對(duì)工業(yè)攝像機(jī)進(jìn)行處理，使之能夠在易燃易爆的現(xiàn)場(chǎng)環(huán)境中應(yīng)用。早期的防爆攝像頭以本質(zhì)安全型和正壓型為主。本質(zhì)安全型防爆攝像頭的特點(diǎn)在于對(duì)攝像機(jī)的電路進(jìn)行本質(zhì)安全處理，電氣之線路輸出或輸入均被設(shè)計(jì)控制在不足以產(chǎn)生使氫氣發(fā)生引火危險(xiǎn)的能量以下，使其在正常工作中不會(huì)產(chǎn)生電火花、電弧及高溫，從而避免引起危險(xiǎn)易爆物質(zhì)。這種類型的防爆攝像頭結(jié)構(gòu)單位成本過(guò)高是較大缺點(diǎn)，此外也不利于日后的升級(jí)。正壓型是早期美系防爆攝像頭產(chǎn)品的常用結(jié)構(gòu)，使用中維護(hù)相當(dāng)不便，如不精心維護(hù)，引起危險(xiǎn)性相當(dāng)大。此結(jié)構(gòu)目前所見(jiàn)除極少數(shù)某地廠商仍在制造外，基本已被防爆攝像頭行業(yè)較全淘汰。蘭州無(wú)線防爆紅外攝像頭廠家</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2929921.html</p></div></div></div></div></div><div id="8dkceqx" class="page-right twoColRt"><div id="cwya3wy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="shegdur" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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