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class="pic"><img src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439826103516/990048.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="32lnu93" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439826103516/990048.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="so2gxbm" 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>安康微型防爆紅外攝像機(jī),防爆</p><p><span>***更新：</span>2021-02-06 11:13:46</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ujeopeq" 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="xqh4j3b" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wqs4ahx" class="box"><p><p style="text-indent:25px">低照度防爆攝像機(jī)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(jī)器件品質(zhì)選擇要比普通防爆攝像機(jī)高，還會應(yīng)用一些獨特的技術(shù)來進(jìn)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(xué)級大強(qiáng)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(jī)芯，選擇的SONY較高的CCD傳感器”。因此低照度防爆攝像機(jī)的成本較高，安康微型防爆紅外攝像機(jī)。而防爆紅外攝像機(jī)是借助LED燈進(jìn)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，安康微型防爆紅外攝像機(jī)。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(jī)。但由于防爆紅外攝像機(jī)需要借助紅外燈進(jìn)行輔助照明，在某些場合不適宜使用防爆紅外攝像機(jī)進(jìn)行監(jiān)控，安康微型防爆紅外攝像機(jī)，只能使用低照度防爆攝像機(jī)進(jìn)行監(jiān)控。防爆監(jiān)控攝像機(jī)使用：危險下限＞10%的可燃?xì)怏w。安康微型防爆紅外攝像機(jī)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安康微型防爆紅外攝像機(jī),防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439826103516/990048.png"></div><p style="text-indent:25px">監(jiān)控防爆攝像機(jī)安裝方向：應(yīng)首先統(tǒng)一該建筑的對外出入口監(jiān)控防爆攝像機(jī)的安裝方向，選擇一致對外或?qū)?nèi)，以保證始終有一只監(jiān)控防爆攝像機(jī)能拍攝到人物的正面圖像。從人像的識別率來看正面攝像>側(cè)面攝像>背面攝像。因此應(yīng)盡量選擇安裝位置使監(jiān)控防爆攝像機(jī)拍到人的正面圖像。通過實踐發(fā)現(xiàn)監(jiān)控防爆攝像機(jī)與人臉的水平夾角不大于35度范圍均可保證面部特征明顯。從景別來看鏡頭的調(diào)節(jié)：從景別來看，圖像可分遠(yuǎn)景、中景、近景、特寫。建筑出入口由于光線復(fù)雜，角度要求高，因此我們建議均采用優(yōu)良的手動變焦自動光圈鏡頭。對監(jiān)控建筑出入口，監(jiān)控的主體是進(jìn)入建筑物的人員及活動物體，因此多數(shù)情況下，出入口處的墻體、其他的建筑結(jié)構(gòu)、造型均不是應(yīng)該關(guān)心的重點。我們追求的是較清晰的人員特征圖像。因此在進(jìn)行鏡頭焦距調(diào)節(jié)時應(yīng)盡可能減少畫面中的無效部分（墻體等），盡可能讓人體在畫面中比例更大，同時應(yīng)注意將門框等邊際界定物收在畫面中以確保出人口全部進(jìn)入畫面，這就是所說的應(yīng)該選擇有效近景監(jiān)控模式。煙臺球形防爆紅外攝像頭哪家好防爆攝像機(jī)維護(hù)：每季度一次設(shè)備的除塵、清理，掃凈防爆監(jiān)控設(shè)備顯露的塵土。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安康微型防爆紅外攝像機(jī),防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439913671875/4616277.png"></div><p style="text-indent:25px">防爆監(jiān)控在石化行業(yè)的應(yīng)用：石油、化工、天然氣等許多工業(yè)企業(yè)或研究部門，在實驗、生產(chǎn)、加工、運(yùn)輸和貯存的各過程中，經(jīng)?？赡苄孤┖鸵缟⒊龈鞣N各樣的易燃、易爆氣體、液體和各種粉塵及纖維，這類物質(zhì)與空氣混合后，將變成易發(fā)生危險，它周圍的場所也不容發(fā)生一絲差錯，一旦發(fā)生便一發(fā)不可收拾，造成人員傷亡和財產(chǎn)損失。所以應(yīng)用于這些生產(chǎn)線的攝像機(jī)、電動云臺、解碼器及其它安裝于危險區(qū)的設(shè)備必須為防爆型。如石油化工行業(yè)，企業(yè)所在地地域廣闊，尤其是油田和煉化廠，都處于地廣人稀區(qū)域，周界范圍大，地理環(huán)境復(fù)雜。而無論油氣田、煉化廠還是加油站，其間多含易燃、易爆的碳?xì)浠衔?。視頻監(jiān)控系統(tǒng)也儼然成為其標(biāo)配。石油石化監(jiān)控系統(tǒng)一方面職守安全防范之本責(zé)，另又兼顧煉油、化工、銷售等業(yè)務(wù)環(huán)節(jié)生產(chǎn)，且在存儲煉化、零售端，高清需求態(tài)勢水漲船高。以存儲煉化為例，在石油加工環(huán)節(jié)，攝像機(jī)對整個業(yè)務(wù)流程、設(shè)備及員工操作進(jìn)行監(jiān)控，目標(biāo)是做到報警聯(lián)動應(yīng)急指揮。</p><p style="text-indent:25px">防爆攝像頭的發(fā)展與類型：為了實現(xiàn)在易燃易爆的現(xiàn)場環(huán)境中應(yīng)用工業(yè)電視監(jiān)控，防爆攝像頭便應(yīng)運(yùn)而生了。較初的需求是來自于煤礦井下。尤其是近十年，隨著國家工業(yè)化進(jìn)程，防爆要求的需求擴(kuò)大至各個領(lǐng)域石油、化工、航海、航天、冶金、科研和**工業(yè)等需求更甚，要求各異，針對性更強(qiáng)，特別是我國石化工業(yè)的迅猛發(fā)展，加速了防爆工業(yè)監(jiān)控、防爆工業(yè)擴(kuò)音對講產(chǎn)品的發(fā)展。防爆攝像頭也隨之開始在各個領(lǐng)域普遍使用。值得注意的是，與電子工業(yè)的普遍情況不同，中國的防爆攝像頭的發(fā)展就時間而言在國際同行業(yè)中是相當(dāng)早的，就技術(shù)水平而言，也是始終不亞于國外同類產(chǎn)品的。防爆紅外攝像機(jī)畫面不清晰的原因：防爆紅外攝像機(jī)畫面不清晰的原因：電路設(shè)計不合理。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安康微型防爆紅外攝像機(jī),防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303440246259766/1599962.png"></div><p style="text-indent:25px">防爆監(jiān)控攝像機(jī)的運(yùn)行模式：旁聽模式。該模式需要采用共享式HUB或交換機(jī)鏡像.可是如采用老式的共享式HUB將影響網(wǎng)絡(luò)出口機(jī)能;如采用鏡像模式，一方面需要投資支持雙向的鏡像交換機(jī)設(shè)備，另一方面需要專業(yè)的人設(shè)置鏡像交換機(jī)，但有些交換機(jī)在阻斷過程會導(dǎo)致交換機(jī)梗阻或降低網(wǎng)絡(luò)機(jī)能；而根本的題目是很功能就失去了。原理是旁路聽，就如兩個人電話邊上有一個并機(jī)在聽，因此效率就非常低了，原理性缺陷導(dǎo)致UDP阻斷無法實現(xiàn)，也會嚴(yán)峻損失網(wǎng)絡(luò)網(wǎng)絡(luò)攝像頭帶寬，同時無法實現(xiàn)好比流量限制等良多功能；一般來說，至少損失40%以上的網(wǎng)絡(luò)機(jī)能；而WINPCAP就是采用該模式工作的，正由于如斯不管是機(jī)能功能就根本上決定了生成的缺陷。若是運(yùn)用手動光圈鏡頭需查看光圈是否翻開，自動光圈鏡頭則需求調(diào)。東營微型防爆監(jiān)控攝像頭</p><p style="text-indent:25px">防爆監(jiān)控攝像機(jī)的運(yùn)行模式：旁路模式。安康微型防爆紅外攝像機(jī)</p><p style="text-indent:25px">防爆攝像機(jī)的防爆原理：增安型結(jié)構(gòu)。增安型機(jī)構(gòu)在防爆電氣設(shè)備上使用得也很普遍，一般應(yīng)用于電動機(jī)、變壓器、燈具和帶有電感線圈的電氣設(shè)備上，在防爆攝像機(jī)的應(yīng)用上較少。它是在設(shè)備上采用一系列的安全措施，如使用高質(zhì)量的絕緣材料、降低溫升、增大電氣間隙、提高導(dǎo)線連接質(zhì)量等，使其在較大限度內(nèi)不致產(chǎn)生電火花、電弧或危險溫度，或者采用有效的保護(hù)元件使其產(chǎn)生的火花、電弧或溫度不能引燃危險性混合物，以達(dá)到防爆的目的。還有一種與增安型防爆措施類似稱為無火花型，它是一種在正常運(yùn)行時不產(chǎn)生火花和危險高溫，也不能產(chǎn)生引起危險故障的電氣設(shè)備。與增安型相比，只是沒有規(guī)定再增加一些附加措施來提高設(shè)備的安全可靠性。因此，無火花型的安全性比增安型要低，只能用于2區(qū)危險環(huán)境。安康微型防爆紅外攝像機(jī)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3193584.html</p></div></div></div></div></div><div id="ynpzq3x" class="page-right twoColRt"><div id="feazaov" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zczde2v" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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