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clearfix"><h1>西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家服務(wù)為先深圳市容方電子供應(yīng)</h1><div id="xf3dth3" class="proBig"><div id="z5tr5xd" 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="5f3rznr" 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="nxlxdzn" 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>西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家,防爆</p><p><span>***更新：</span>2021-02-07 02:09:08</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="frpdrx5" 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(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="7j35bz5" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="xdbz373" class="box"><p><p style="text-indent:25px">安全監(jiān)控是城市生活的一大主題，也是社會生產(chǎn)的必要管理手段。在我們的周圍監(jiān)控生活中，紅外監(jiān)控給我們帶來的平安，是當(dāng)前夜間監(jiān)控中的主流，但它也特性也給我們帶來了很多的煩惱。說到給我們的幫助，它的易用性，西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家，實用性，隱蔽性是夜間監(jiān)控的好幫手。但是，就在我們即將將重要的任務(wù)托付給他的時候，它的短命，西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家，紅暴，距離等不利運用的因素，西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家，這些將會隨著技術(shù)的發(fā)展，這些問題會慢慢的解決，但目前，這些問題還是存在的，所以用戶在購買時，就要分清這些存在的問題，在工業(yè)生產(chǎn)中，防爆監(jiān)控的紅外運用是很普遍的，紅外技術(shù)也是監(jiān)控領(lǐng)域的較前沿，因為，工業(yè)安全生產(chǎn)的監(jiān)控要求很為嚴(yán)格，審核的標(biāo)準(zhǔn)也很高，客戶的要求也相對苛刻，所以，一般的防爆紅外攝像機的紅外性能要優(yōu)于一般的紅外監(jiān)控攝像機。防爆攝像機設(shè)備維護注意事項：防潮、防塵、防腐。西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439538691406/9493638.png"></div><p style="text-indent:25px">防爆攝像機在什么檔次呢？視頻信號的標(biāo)稱值為1Vp-p，標(biāo)準(zhǔn)值為0.7Vp-p，較低照度時的視頻信號值為1/3到1/2的標(biāo)準(zhǔn)植。所以防爆攝像機在較低照度時的圖像，決不會“如同白晝一樣”。另外，防爆攝像機在較低照度時產(chǎn)生的圖像清晰度，是用電視信號測試卡進行測式的，其黑白相間的條紋，要求黑色反射率近于0%，白色反射率大于89.9%。而我們在現(xiàn)場觀察時有時不具備這樣的條件，比如：樹葉和草地的反射率很低，反差很小，就不易獲得清晰圖像。因此實際使用當(dāng)中不能以防爆攝像機標(biāo)稱的較低照度作為衡量現(xiàn)場環(huán)境照度的標(biāo)準(zhǔn)。延安高清防爆攝像頭生產(chǎn)廠家防爆紅外攝像機畫面不清晰解決：換掉里面低劣攝像機。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303440250390625/4960477.png"></div><p style="text-indent:25px">防爆紅外攝像機畫面不清晰的原因：電路設(shè)計不合理。防爆紅外攝像機生產(chǎn)商，不光光是將紅外燈直接裝到攝像機里面就行的，而是要在裝上之前，對其攝像機電路重新設(shè)計并老化處理。而市面上很多小型加工廠就是使用廉價的電子元件，買廉價的紅外燈，直接用電烙鐵焊接上去，對于電路沒有重新設(shè)計也沒有老化處理。另外一些做低端產(chǎn)品的工廠，為了省錢，把控制電路的控制板去掉或者跟燈板集成在一起，這很容易導(dǎo)到紅外燈受電流不穩(wěn)定而發(fā)熱，使本來就劣質(zhì)的紅外燈更不能正常工作。</p><p style="text-indent:25px">防爆攝像機的防爆原理：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，都不會使危險物質(zhì)引起危險，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。防爆監(jiān)控攝像機使用：IIA類：甲基丙烯酸甲酯、醋酸乙烯酯、二氯乙烷、氯乙烯、甲胺、二甲胺。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439518349609/5351429.png"></div><p style="text-indent:25px">防爆攝像機：采用安全措施的防爆原理。在設(shè)備上采用一系列的安全措施使其在較大限度內(nèi)不致產(chǎn)生火花、電弧或危險溫度，或采用有效的保護元件使其產(chǎn)生的火花、電弧或溫度不能引燃危險性混合物，以達到防爆目的，防爆增安型、本質(zhì)安全型等電氣設(shè)備都是采用這一原理制造的。防爆設(shè)備的材料。對于隔爆型防爆設(shè)備外殼應(yīng)能承受1.5倍內(nèi)部實際較大危險壓力，但不得小于3.5×105Pa。用于I類采掘工作面的設(shè)備，外殼須采用鋼板或鑄鋼制成;I類非采掘工作面的設(shè)備，其外殼可用牌號不低于HT25-47灰鑄鐵制成;I類攜帶式設(shè)備和II類設(shè)備，外殼可用抗拉強度不低于117.6N/mm2(12kg/mm2)、含鎂量不大于0.5%(重量比)的輕合金制成。本質(zhì)型設(shè)備的外殼材質(zhì)可用含鎂量不大于0.5%(重量比)的輕合金或表面電阻不大于1×109的塑料制成。假如電源正常，再查看攝像機的傳輸設(shè)備(如光端機等)。西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家</p><p style="text-indent:25px">使用便攜式可燃?xì)怏w報警儀進行現(xiàn)場檢測，性氣體濃度不超過規(guī)定值的10%時可視為非防爆區(qū)。西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家</p><p style="text-indent:25px">防爆攝像機的防爆原理：危險性粉塵環(huán)境的防爆結(jié)構(gòu)。粉塵防爆電氣設(shè)備是采用限制外殼較高表面溫度和采用“塵密”或“防塵”外殼來限制粉塵進入，以防止可燃性粉塵點燃。該類設(shè)備將帶電部件安裝在有一定防護能力的外殼中，從而限制了粉塵進入，使引燃源與粉塵隔離來防止危險的產(chǎn)生。按設(shè)備采用外殼防塵結(jié)構(gòu)的差別將設(shè)備分為A型設(shè)備或B型設(shè)備。按設(shè)備外殼的防塵等級的高低將設(shè)備分為20、21和22級，分別適用于20、21或22區(qū)粉塵危險場所。西安專業(yè)防爆監(jiān)控攝像機生產(chǎn)廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3198123.html</p></div></div></div></div></div><div id="rdbr7xl" class="page-right twoColRt"><div id="lbzxjxn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jtjpdbn" 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(yīng)" 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(yīng)</p></a></div><div id="trxljvj" class="recomPic likePro"><a 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