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href="http://www.cdcfah.com/cp/third-afjksb_jksxj/">監(jiān)控攝像機</a>?青島無線防爆攝像頭值得信賴深圳市容方電子供應(yīng)</p><div id="nnuwyf8" class="leftbox clearfix"><h1>青島無線防爆攝像頭值得信賴深圳市容方電子供應(yīng)</h1><div id="qc7ysel" class="proBig"><div id="ucuw7n7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439538691406/9493638.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wnzmolc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439538691406/9493638.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hwo2u27" 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>青島無線防爆攝像頭,防爆</p><p><span>***更新：</span>2020-12-26 09:12:11</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8debd29" 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="easur8e" class="page-proshow02"><p class="title">詳細說明</p><div id="uyaceqn" class="box"><p><p style="text-indent:25px">防爆攝像頭安裝和使用過程中會遇到哪些問題，應(yīng)該采取什么樣的技術(shù)措施呢？臨時用電申請人，青島無線防爆攝像頭、審批人等，在制訂和落實安全技術(shù)措施之前必須充分了解用電作業(yè)的環(huán)境的性氣體釋放源和火災(zāi)危險物質(zhì)的物理性質(zhì)和化學(xué)性質(zhì)，如極限、引燃溫度、閃點、比重等；了解釋放源的釋放規(guī)律和空間分布、現(xiàn)場通風(fēng)情況等；了解該環(huán)境屬于何種危險區(qū)域？根據(jù)上述情況可采取下列措施：利用阻燃帆布等障礙物進行隔離，限制比空氣重的性氣體混合物的擴散，縮小危險區(qū)域的范圍，青島無線防爆攝像頭。用防爆通風(fēng)機設(shè)置臨時的局部強力通風(fēng)，降低氣體濃度，保持相對的正壓狀態(tài)。裝置區(qū)，青島無線防爆攝像頭、油罐區(qū)等區(qū)域的井道、坑、電纜溝和蒸氣管溝等處所都有沉積性氣體，要檢查、測試，防止死角積聚性氣體。裝置區(qū)、油罐區(qū)等區(qū)域的井道、坑、電纜溝和蒸氣管溝等處所都有沉積性氣體。青島無線防爆攝像頭</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島無線防爆攝像頭,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439538691406/9493638.png"></div><p style="text-indent:25px">控制設(shè)備安裝：1.控制臺、機柜(架)安裝位置應(yīng)符合設(shè)計要求，安裝應(yīng)平穩(wěn)牢固、便于操作維護。機柜架背面、側(cè)面離墻凈距離應(yīng)符合維修要求。2.所有控制、顯示、記錄等終端設(shè)備的安裝應(yīng)平穩(wěn)，便于操作。其中監(jiān)視器(屏幕)應(yīng)避免外來光直射，當不可避免時，應(yīng)采取避光措施。在控制臺、機柜(架)內(nèi)安裝的設(shè)備應(yīng)有通風(fēng)散熱措施，內(nèi)部接插件與設(shè)備連接應(yīng)牢靠。3.控制室內(nèi)所有線纜應(yīng)根據(jù)設(shè)備安裝位置設(shè)置電纜槽和進線孔，排列、捆扎整齊，編號，并有久的性標志。4.控制設(shè)備的工作環(huán)境安保系統(tǒng)的設(shè)備均要求安裝在清潔的空調(diào)室內(nèi)，并要求安裝在19"的標準機架上，設(shè)備之間應(yīng)留有適當?shù)目臻g，需使用強迫通風(fēng)的風(fēng)扇。5.保證監(jiān)控室內(nèi)電源火線、零線、地線按照規(guī)范連接。在監(jiān)控中心設(shè)備(監(jiān)視器、硬盤錄像機、矩陣、視頻分配器)開啟的情況下，使用模擬萬用表交流電壓檔測量以上設(shè)備外殼和連接攝像機的視頻電纜接頭對地電壓。該電壓越高越易造成攝像機視頻輸出部分損壞。當該電壓不為零的情況下，要避免帶電拔插視頻電纜。青島無線防爆攝像頭傳輸部分的線纜在線路架設(shè)上盡量采用埋敷方式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島無線防爆攝像頭,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439497949219/2306179.png"></div><p style="text-indent:25px">充砂型結(jié)構(gòu)是在外殼內(nèi)充填砂?；蚱渌?guī)定特性的粉末材料，使之在規(guī)定的使用條件下，殼內(nèi)產(chǎn)生的電弧或高溫均不能點燃周圍性氣體環(huán)境的結(jié)構(gòu)。當采用的介質(zhì)使顆粒狀的固體（一般是石英砂）作為隔離介質(zhì)時，稱為充砂型電氣設(shè)備；而采用的介質(zhì)時固化物填料（一般位環(huán)氧樹脂），把引燃源澆封在填料里面，而于外面性混合物隔離時，也稱為澆封型電氣設(shè)備。防爆攝像頭的本質(zhì)安全型結(jié)構(gòu)：本質(zhì)安全型結(jié)構(gòu)*適用于弱電流回路，如測試儀表、控制裝置等小型電氣設(shè)備上。無論是正常情況下，還是非正常情況下產(chǎn)生的電火花或危險溫度，都不會使物質(zhì)，因此使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)引起的點燃。本質(zhì)安全型防爆結(jié)構(gòu)的電氣回路必須于其它電路相隔離，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">工程商和用戶對“防爆”必要性的認知度不夠。防爆攝像頭是為了實現(xiàn)在易燃易爆的現(xiàn)場環(huán)境中應(yīng)用工業(yè)電視而發(fā)展出來的一種特種攝像機。防爆攝像頭目前普遍應(yīng)用于石油、化工、煤炭和科研、**等國家許多工業(yè)企業(yè)或研究部門等領(lǐng)域。在實驗、生產(chǎn)、加工、運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)生危險的混合物，它周圍的場所也成了程度不同的危險場所。所以使用防爆攝像頭是有必要的。這些特殊的產(chǎn)所如果使用普通的監(jiān)控攝像機，不但沒有起到保護監(jiān)控的作用，而且還可能在引發(fā)危險，危害生產(chǎn)安全。所以，在那些特定的產(chǎn)所，防爆攝像頭的存在還是有必要性的。所以要求防爆設(shè)備廠家在工程商和用戶在詢問防爆攝像頭具體情況的時候，說明特殊產(chǎn)所安裝防爆攝像頭的必要性，引導(dǎo)工程商和用戶買到合適的防爆產(chǎn)品。凡涉及機械、工藝、電氣方面的臨時用電，必須經(jīng)三方會簽確認，以免發(fā)生事故。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島無線防爆攝像頭,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439518349609/5351429.png"></div><p style="text-indent:25px">我們都知道有的攝像機，就算是常溫也會起霧的。這里我們要區(qū)別防爆紅外攝像機是因機器內(nèi)部還是外部原因起霧而采用不同的解決辦法。機器內(nèi)部出現(xiàn)霧氣：霧、霜的形成是由于空氣中的飽和水蒸氣遇冷凝結(jié)而成，因冷環(huán)境的強、弱分別凝結(jié)成霜和霧。防爆紅外攝像機在工作過程中，尤其是在室內(nèi)的攝像機常常會因場館內(nèi)的霧氣或者水氣等原因在防護罩視窗玻璃上形成霧或霜，導(dǎo)致攝像機無法看清物體，直接影響監(jiān)控效果。不同的廠家對這一問題的解決方法也是不一樣的。增加除霜電路、開通氣孔、充氮氣、加風(fēng)扇、放干燥劑等等，方法不一樣，效果當然也不一樣。有的問題可以解決，有的問題還是不能解決。不過，從較基礎(chǔ)的角度上來講，嚴格控制料件的品質(zhì)及清潔，盡量杜絕揮發(fā)物的存在是很有必要的。例如PCB板不能有殘留助焊劑，遮光板采用優(yōu)良硅膠材料等。機器外部出現(xiàn)霜、霧：防爆紅外攝像機在濕度大的環(huán)境下工作，防護罩的視窗玻璃容易出現(xiàn)灰塵等污垢，造成攝像機鏡頭視線遮擋。防止對地絕緣的焊件，焊機的空載電壓或工作電壓延伸。新疆車載防爆紅外攝像機</p><p style="text-indent:25px">傳輸部分的纜線在線路架設(shè)盡量采用埋敷方式。青島無線防爆攝像頭</p><p style="text-indent:25px">我國是多雨霧的國家，屬于季風(fēng)氣候，除了西北個別省、區(qū)之外，幾乎所有省份都有強雨霧出現(xiàn)。從早春到盛夏，從秋冷到冬暖，冷暖空氣頻繁交匯，形成一場場雨霧天氣，氣候潮濕，導(dǎo)致大量水氣釋放擴散聚集附著在墻體、設(shè)備等環(huán)境上，從而影響電氣設(shè)備的正常使用。一般防爆紅外攝像機都采用密封設(shè)計，防護等級達到IP66。但是紅外燈開始工作時會產(chǎn)生大量的熱量，同時由于部外殼的散熱效果不夠和機器本身的密封性不好，造成機器在使用一段時間之后，里面或多或少會出現(xiàn)汽水(此現(xiàn)象主要集中在北方地區(qū))，影響監(jiān)控效果。青島無線防爆攝像頭</p></p><br 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