棗莊無(wú)線防爆攝像機(jī)廠家誠(chéng)信互利深圳市容方電子供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="防爆攝像頭的鏡頭：鏡頭是攝像機(jī)用來(lái)抓取畫(huà)面的工具，不同的鏡頭得到的畫(huà)面大小和效果也不一樣。常用的鏡頭種類(lèi)包括：手動(dòng)/自動(dòng)光圈定焦鏡頭和自動(dòng)光圈變焦鏡頭兩種。定焦鏡頭分為標(biāo)準(zhǔn)鏡頭和廣角鏡頭兩種。定焦鏡頭的適用范圍為：1.手動(dòng)光圈鏡頭：所需監(jiān)視"><meta name="keywords" content="棗莊無(wú)線防爆攝像機(jī)廠家,防爆"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> 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clearfix"><h1>棗莊無(wú)線防爆攝像機(jī)廠家誠(chéng)信互利深圳市容方電子供應(yīng)</h1><div id="8s3epi3" class="proBig"><div id="xkvchid" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439913671875/4616277.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ylh3ibl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439913671875/4616277.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="k3fxq3s" 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>棗莊無(wú)線防爆攝像機(jī)廠家,防爆</p><p><span>***更新：</span>2021-02-04 03:09:22</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="nqhxof8" 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(xiāo)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="z2flamy" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="zws7v3p" class="box"><p><p style="text-indent:25px">防爆攝像頭的鏡頭：鏡頭是攝像機(jī)用來(lái)抓取畫(huà)面的工具，不同的鏡頭得到的畫(huà)面大小和效果也不一樣。常用的鏡頭種類(lèi)包括：手動(dòng)/自動(dòng)光圈定焦鏡頭和自動(dòng)光圈變焦鏡頭兩種。定焦鏡頭分為標(biāo)準(zhǔn)鏡頭和廣角鏡頭兩種。定焦鏡頭的適用范圍為：1.手動(dòng)光圈鏡頭：所需監(jiān)視的環(huán)境照度變化不大，如室內(nèi)。2，棗莊無(wú)線防爆攝像機(jī)廠家.自動(dòng)光圈鏡頭：所需監(jiān)視的環(huán)境照度變化大，如室外。3.廣角鏡頭：監(jiān)視的角度較寬，距離較近。4.標(biāo)準(zhǔn)鏡頭：監(jiān)視的角度和距離適中。變焦鏡頭分為10倍、6倍和2倍變焦鏡頭，棗莊無(wú)線防爆攝像機(jī)廠家，另一種分法是：手動(dòng)變焦和電動(dòng)變焦(電動(dòng)光圈和自動(dòng)光圈)兩種。變焦鏡頭在規(guī)則上可以劃分為：1/3〃、1/2〃和1〃等。選擇變焦鏡頭的原則是：鏡頭的規(guī)格不應(yīng)小于攝像機(jī)的規(guī)格，也就是說(shuō)1/2〃的鏡頭可以與1/3〃的攝像機(jī)一起使用，但是1/3〃的鏡頭就不能夠在1/2〃的攝像機(jī)上使用，棗莊無(wú)線防爆攝像機(jī)廠家。使用便攜式可燃?xì)怏w報(bào)警儀進(jìn)行現(xiàn)場(chǎng)檢測(cè)，性氣體濃度不超過(guò)規(guī)定值的10%時(shí)可視為非防爆區(qū)。棗莊無(wú)線防爆攝像機(jī)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="棗莊無(wú)線防爆攝像機(jī)廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439913671875/4616277.png"></div><p style="text-indent:25px">防爆攝像機(jī)的防爆原理：隔爆型結(jié)構(gòu)。電火花及電弧可以引燃危險(xiǎn)性混合物。由德國(guó)建立起來(lái)的間隙隔爆結(jié)構(gòu)，是防止電弧等引燃周?chē)ｋU(xiǎn)性混合物較可靠的方法。隔爆型結(jié)構(gòu)的電氣設(shè)備在危險(xiǎn)區(qū)域應(yīng)用極為普遍，它不光能防止危險(xiǎn)燃火的傳出，而且殼體又可承受一定的過(guò)壓。它具有一個(gè)足夠牢固的外殼，能經(jīng)受內(nèi)部危險(xiǎn)氣體混合物產(chǎn)生較大危險(xiǎn)壓力確保不變形或損壞，不產(chǎn)生較久變形，并具有一定結(jié)構(gòu)間隙以使噴射出來(lái)的燃燒生成物通過(guò)一定的法蘭長(zhǎng)度冷卻到低于外部危險(xiǎn)性混合物的自燃溫度。結(jié)構(gòu)間隙可以是平面結(jié)合面或圓筒結(jié)合面組成，還可以是曲路、螺紋或屏障式等結(jié)構(gòu)組成。除此之外。如微孔、網(wǎng)罩、疊片、充砂等結(jié)構(gòu)也屬于這種原理的防爆形式。用于煤礦井下的隔爆型電氣設(shè)備更要堅(jiān)固。用于I類(lèi)采掘工作面的設(shè)備，外殼須采用鋼板或鑄鋼制成；I類(lèi)非采掘工作面的設(shè)備，其外殼可用牌號(hào)不低于HT25-47灰鑄鐵制成；I類(lèi)攜帶式設(shè)備和II類(lèi)設(shè)備，外殼可用抗拉強(qiáng)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。內(nèi)蒙古化工廠防爆攝像機(jī)廠家若是運(yùn)用手動(dòng)光圈鏡頭需查看光圈是否翻開(kāi)，自動(dòng)光圈鏡頭則需求調(diào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="棗莊無(wú)線防爆攝像機(jī)廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439744218750/3085264.png"></div><p style="text-indent:25px">監(jiān)控?cái)z像在現(xiàn)代的生活處應(yīng)用越來(lái)越普遍，但其實(shí)它的應(yīng)用范圍遠(yuǎn)不止我們看到的，還有許多特殊的場(chǎng)合，如煤礦開(kāi)采、石油化工等場(chǎng)合，為了保障安全，監(jiān)控也是必不可少，但是對(duì)于這些特殊的場(chǎng)合，攝像頭也有特殊的要求。防爆攝像機(jī)就是為這些特殊場(chǎng)合的應(yīng)用而生產(chǎn)的。什么是防爆攝像機(jī)？防爆攝像機(jī)，有的人習(xí)慣稱呼防爆攝像頭，或者防爆攝像儀，在深入講解它應(yīng)用之前，我們先來(lái)了解下什么是防爆攝像機(jī)。防爆攝像機(jī)屬于防爆監(jiān)控類(lèi)產(chǎn)品，是防爆行業(yè)跟監(jiān)控行業(yè)的交叉產(chǎn)物，因?yàn)樵诰哂懈呶？扇夹袁F(xiàn)場(chǎng)不能使用常規(guī)的攝像產(chǎn)品，需要具有防爆功能且有國(guó)家**機(jī)構(gòu)頒發(fā)的相關(guān)證書(shū)的產(chǎn)品才能稱得上是防爆攝像機(jī)。</p><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(chē)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(xiāo)售、服務(wù)于一體的防爆視頻監(jiān)控服務(wù)商。室外的攝像機(jī)應(yīng)架設(shè)避雷針，采用**接地管線以隔離監(jiān)控設(shè)備的電力與圖像信號(hào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="棗莊無(wú)線防爆攝像機(jī)廠家,防爆" src="https://tyunfile.71360.com/UploadFile/RFDZ888/637303439804960937/3783916.png"></div><p style="text-indent:25px">防爆攝像頭的防護(hù)：前端設(shè)備的防雷。前端攝像機(jī)的安裝位置往往有室內(nèi)和室外之分，安裝在室內(nèi)的攝像機(jī)一般不會(huì)遭受直擊雷擊，但是，雷電過(guò)電壓也有可能對(duì)攝像機(jī)造成侵害，而室外的設(shè)備需要考慮防止直擊雷擊。通常是將前端設(shè)備如防爆攝像頭置于接閃器(避雷針或其它接閃導(dǎo)體)有效保護(hù)范圍之內(nèi)。當(dāng)防爆攝像機(jī)自立架設(shè)時(shí)，為了防止避雷針及引下線上的暫態(tài)高電位，避雷針較好距攝像機(jī)3-4米的距離。另外，為防止電磁感應(yīng)，沿電線桿引上的攝像機(jī)電源線和信號(hào)線應(yīng)穿在金屬管內(nèi)以達(dá)到屏蔽作用，屏蔽金屬管的兩端均應(yīng)接地。線纜雷電感應(yīng)電動(dòng)勢(shì)是一種高頻交變電壓，位置等效在線纜中間。根據(jù)這個(gè)特征，感應(yīng)雷的防護(hù)基本做法是對(duì)設(shè)備輸入輸出口設(shè)置“限壓保護(hù)電路”。防爆攝像機(jī)維護(hù)：對(duì)易吸塵部份每季度定期清理一次。漢中防火防爆監(jiān)控?cái)z像機(jī)生產(chǎn)廠家</p><p style="text-indent:25px">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。棗莊無(wú)線防爆攝像機(jī)廠家</p><p style="text-indent:25px">防爆攝像機(jī)行業(yè)未來(lái)競(jìng)爭(zhēng)的趨勢(shì)：每個(gè)行業(yè)都有行業(yè)之間的競(jìng)爭(zhēng)，只有競(jìng)爭(zhēng)才會(huì)有進(jìn)步，只有競(jìng)爭(zhēng)產(chǎn)品才會(huì)不斷更新?lián)Q代。對(duì)于防爆攝像機(jī)行業(yè)來(lái)說(shuō)也是如此。防爆攝像機(jī)作為一種專門(mén)應(yīng)用于特殊場(chǎng)合的產(chǎn)品，其發(fā)展動(dòng)態(tài)更是受各界關(guān)注，因此良性的競(jìng)爭(zhēng)是引導(dǎo)防爆攝像機(jī)未來(lái)市場(chǎng)越來(lái)越廣闊的一個(gè)非常重要的環(huán)節(jié)。在過(guò)去的幾年中，防爆視頻監(jiān)控行業(yè)的競(jìng)爭(zhēng)主要集中在產(chǎn)品的競(jìng)爭(zhēng)上，不同的產(chǎn)品類(lèi)型都會(huì)有一個(gè)競(jìng)爭(zhēng)的范圍，比如矩陣、光端機(jī)、DVR等，每個(gè)產(chǎn)品類(lèi)型都會(huì)有若干家主要企業(yè)，而這些企業(yè)往往不是跨界的，各自都有自己的側(cè)重點(diǎn)。但是隨著IP技術(shù)的發(fā)展，單一的產(chǎn)品在市場(chǎng)上的競(jìng)爭(zhēng)力越來(lái)越小，因?yàn)镮P系統(tǒng)的標(biāo)準(zhǔn)和兼容問(wèn)題，廠家無(wú)法使用單一的產(chǎn)品獲得市場(chǎng)的認(rèn)可，也不能有效地滿足客戶的需求，這種惰況迫使企業(yè)在摸索中逐步豐富自己的產(chǎn)品線，形成自己從前端到后端，從硬件到軟件的全套解決方案。棗莊無(wú)線防爆攝像機(jī)廠家</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3150300.html</p></div></div></div></div></div><div id="pcidpq8" 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