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無線攝像頭 監控方(fang)案案例(li)解析
時(shi)間:2018-07-03 來(lai)源:本站(zhan) 瀏覽(lan):2529次
無線攝(she)像頭 監(jian)控方案案例解析
無(wu)(wu)(wu)線(xian)攝像頭監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)方(fang)案(an)的(de)案(an)例解析是本文為大家(jia)講解的(de)重點,隨(sui)著無(wu)(wu)(wu)線(xian)技(ji)術的(de)日益(yi)發展(zhan),無(wu)(wu)(wu)線(xian)網(wang)絡(luo)的(de)應(ying)用(yong)越(yue)來越(yue)被各行(xing)各業(ye)所接受。無(wu)(wu)(wu)線(xian)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)作為無(wu)(wu)(wu)線(xian)網(wang)絡(luo)的(de)一個特殊(shu)使(shi)用(yong)方(fang)式也逐漸被廣(guang)大用(yong)戶看(kan)好。其安裝方(fang)便(bian)、靈活性(xing)強(qiang)、性(xing)價比高等特性(xing)使(shi)得更(geng)多(duo)行(xing)業(ye)的(de)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)系統采用(yong)無(wu)(wu)(wu)線(xian)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)的(de)方(fang)式,建立被監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)點和(he)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)中心之間的(de)連接。無(wu)(wu)(wu)線(xian)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)技(ji)術已經在現代化小區無(wu)(wu)(wu)線(xian)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)、交通無(wu)(wu)(wu)線(xian)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)、運(yun)輸無(wu)(wu)(wu)線(xian)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)、電力無(wu)(wu)(wu)線(xian)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)、景(jing)區無(wu)(wu)(wu)線(xian)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)、水(shui)利無(wu)(wu)(wu)線(xian)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)、森力無(wu)(wu)(wu)線(xian)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)、航運(yun)、治安、消防等領域(yu)得到了廣(guang)泛(fan)的(de)應(ying)用(yong)。
高(gao)清、數字(zi)、智能,這已經是(shi)被(bei)安(an)防行(xing)業(ye)公認(ren)的(de)(de)三個發(fa)展趨向,可是(shi)在實現高(gao)清化(hua)、數字(zi)化(hua)、智能化(hua)的(de)(de)過程中視(shi)頻無線(xian)傳輸(shu)(shu)起著橋梁作用,無線(xian)傳輸(shu)(shu)的(de)(de)便利及靈活緊密將三者聯系起來實現在安(an)防行(xing)業(ye)的(de)(de)應(ying)用。
隨(sui)著城(cheng)市無(wu)(wu)線(xian)(xian)WIFI、3G、4G等無(wu)(wu)線(xian)(xian)寬(kuan)帶接入技術化不停擴展時,無(wu)(wu)線(xian)(xian)視頻(pin)監控業務也必將(jiang)是其重要組成(cheng)部(bu)分,相關城(cheng)市將(jiang)掀起一個(ge)無(wu)(wu)線(xian)(xian)監控的高潮。
無(wu)(wu)(wu)線(xian)攝像頭監控(kong)(kong)(kong)是無(wu)(wu)(wu)線(xian)網(wang)絡(luo)發展至今最為廣泛的(de)應用之一。在(zai)(zai)通常情況下(xia),被(bei)監控(kong)(kong)(kong)點和(he)中(zhong)央控(kong)(kong)(kong)制(zhi)中(zhong)心相(xiang)距較(jiao)遠且(qie)位置(zhi)較(jiao)分(fen)散(san),利用傳(chuan)統布線(xian)的(de)方(fang)式不但(dan)成本(ben)非常高,而且(qie)一旦遇到(dao)河流山脈等(deng)障礙(ai)時(shi),有線(xian)網(wang)絡(luo)更是束手無(wu)(wu)(wu)策。此時(shi),無(wu)(wu)(wu)線(xian)監控(kong)(kong)(kong)無(wu)(wu)(wu)可(ke)(ke)(ke)(ke)(ke)比(bi)擬(ni)的(de)優勢就體現了出來,利用無(wu)(wu)(wu)線(xian)網(wang)橋技(ji)術,可(ke)(ke)(ke)(ke)(ke)以將多個被(bei)監測點與中(zhong)央控(kong)(kong)(kong)制(zhi)中(zhong)心連(lian)接起來,且(qie)搭建(jian)迅(xun)速,可(ke)(ke)(ke)(ke)(ke)以在(zai)(zai)最短的(de)時(shi)間內迅(xun)速建(jian)立起無(wu)(wu)(wu)線(xian)網(wang)絡(luo)鏈路。在(zai)(zai)條件(jian)許可(ke)(ke)(ke)(ke)(ke)的(de)情況下(xia),利用無(wu)(wu)(wu)線(xian)網(wang)橋最遠可(ke)(ke)(ke)(ke)(ke)以支持100公里以上(shang)的(de)橋接。IEEE802.11b/g/a/n的(de)無(wu)(wu)(wu)線(xian)網(wang)絡(luo)產(chan)品支持11、54、300Mbps及更高的(de)網(wang)絡(luo)帶寬,完全(quan)能(neng)(neng)夠保證采用H.264視頻采集(ji)壓縮格(ge)式的(de)網(wang)絡(luo)視頻流、720P和(he)1080P高清數字(zi)攝像機穩(wen)定可(ke)(ke)(ke)(ke)(ke)靠地進行(xing)傳(chuan)輸,達到(dao)無(wu)(wu)(wu)線(xian)視頻監控(kong)(kong)(kong)的(de)目的(de),實現遠程無(wu)(wu)(wu)線(xian)網(wang)絡(luo)監控(kong)(kong)(kong),并(bing)能(neng)(neng)夠將錄像資料存儲到(dao)計算機的(de)硬盤(pan)上(shang),方(fang)便回放(fang)檢索錄像文件(jian)。
無線攝像頭監(jian)控方案(an)和(he)傳統的監(jian)控方案(an)相(xiang)比,具有以(yi)下三大優點:
1、綜合(he)成(cheng)本(ben)(ben)低,只需一(yi)次性投(tou)資,無(wu)須(xu)挖溝埋(mai)管,特別適合(he)室外距(ju)離(li)較遠(yuan)及已裝修(xiu)好(hao)的(de)場合(he);在許 多(duo)情況下(xia),用戶(hu)往往由于(yu)受到(dao)地(di)理環境和工(gong)作(zuo)內容的(de)限(xian)制,例如山地(di)、港口和開闊地(di)等特殊地(di)理環境,對(dui)有(you)線(xian)網絡、有(you)線(xian)傳輸的(de)布線(xian)工(gong)程帶來(lai)極大的(de)不(bu)便,采(cai)用有(you)線(xian)的(de)施工(gong)周期將(jiang)很長,甚至(zhi)根本(ben)(ben)無(wu)法實現。這(zhe)時 ,采(cai)用無(wu)線(xian)網可以擺(bai)脫線(xian)纜的(de)束縛,有(you)安裝周期短、維護方便、擴容能力強,迅速收回成(cheng)本(ben)(ben)的(de)優點(dian)。
2、組網靈活,可(ke)擴展(zhan)性好,即插(cha)即用(yong),網絡管理人員可(ke)以迅(xun)速將新的(de)監(jian)控點加入到現(xian)有網絡中(zhong),不需要(yao)為新建傳輸鋪設(she)網絡、增加設(she)備(bei),輕而易舉地實(shi)現(xian)遠程視頻監(jian)控。
3、維護(hu)費用低,無線(xian)網絡維護(hu)由(you)網絡提供商維護(hu),前(qian)端(duan)設備是即(ji)插即(ji)用、免(mian)維護(hu)系統。
無(wu)線(xian)監控(kong)系(xi)統(tong)是計算機、無(wu)線(xian)網(wang)絡(luo)和視頻(pin)編碼技術(shu)的結合,它可(ke)以將不同(tong)地點的現場(chang)信息實時通過無(wu)線(xian)通訊手段傳送(song)到(dao)監控(kong)中心(xin),并(bing)自動(dong)形成視頻(pin)數據庫便(bian)于日后的檢(jian)索。
在(zai)監控(kong)系統中,監控(kong)中心需要(yao)實時得(de)到被(bei)監控(kong)點的視頻(pin)信(xin)息,并且該視頻(pin)信(xin)息必須是連(lian)續、清晰的。在(zai)被(bei)監控(kong)點,通(tong)常使(shi)用攝像(xiang)頭對現場(chang)情況進(jin)行實時采集(ji),攝像(xiang)頭通(tong)過(guo)視頻(pin)服務(wu)器與(yu)無線(xian)網橋設備相(xiang)連(lian),并通(tong)過(guo)由無線(xian)橋接(jie)器組(zu)成的無線(xian)網橋將數據信(xin)號(hao)發送到監控(kong)中心。