監控系統設計方案

一.概述

1.1雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊是年(nian)復(fu)一(yi)年(nian)的(de)(de)(de)(de)(de)(de)嚴(yan)重自(zi)然(ran)災害(hai)之一(yi)。在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子時代(dai)(dai)，日益繁忙和(he)(he)復(fu)雜的(de)(de)(de)(de)(de)(de)事務(wu)是通(tong)(tong)(tong)過(guo)高(gao)速(su)計(ji)(ji)算機、自(zi)動化(hua)設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)和(he)(he)通(tong)(tong)(tong)信設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)來(lai)處理的(de)(de)(de)(de)(de)(de)。然(ran)而，這些敏感(gan)(gan)(gan)(gan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)的(de)(de)(de)(de)(de)(de)工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)在(zai)不(bu)(bu)(bu)斷(duan)(duan)降低，數量和(he)(he)規(gui)模也(ye)在(zai)不(bu)(bu)(bu)斷(duan)(duan)擴大(da)。因此，過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)尤其是雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊造(zao)成(cheng)損(sun)(sun)壞的(de)(de)(de)(de)(de)(de)可能性(xing)大(da)大(da)增加(jia)，可能會中斷(duan)(duan)整(zheng)(zheng)個系(xi)統(tong)的(de)(de)(de)(de)(de)(de)運(yun)行，造(zao)成(cheng)不(bu)(bu)(bu)可估量的(de)(de)(de)(de)(de)(de)經濟損(sun)(sun)失(shi)。雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)和(he)(he)浪涌(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)已經成(cheng)為(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子時代(dai)(dai)的(de)(de)(de)(de)(de)(de)一(yi)大(da)公害(hai)。因此，雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)防(fang)(fang)(fang)(fang)護(hu)已成(cheng)為(wei)具有(you)(you)時代(dai)(dai)特征(zheng)的(de)(de)(de)(de)(de)(de)迫切要(yao)求。1.2雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊的(de)(de)(de)(de)(de)(de)分類雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊主(zhu)要(yao)有(you)(you)兩種形(xing)式：a .直(zhi)接(jie)(jie)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊：雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)云(yun)(yun)或(huo)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)云(yun)(yun)與(yu)(yu)地(di)(di)(di)(di)面某一(yi)點(包(bao)(bao)括建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)、框(kuang)架、樹木、動植(zhi)物(wu)(wu)等(deng))之間的(de)(de)(de)(de)(de)(de)快速(su)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)現象。)被稱為(wei)直(zhi)接(jie)(jie)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊，由(you)于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)效應(ying)、熱效應(ying)和(he)(he)機械力效應(ying)，直(zhi)接(jie)(jie)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊會造(zao)成(cheng)物(wu)(wu)體損(sun)(sun)壞和(he)(he)人(ren)員傷亡。b .感(gan)(gan)(gan)(gan)應(ying)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊：雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)云(yun)(yun)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時，對附近導體(包(bao)(bao)括架空電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜、埋地(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜、鐵軌、水管等(deng))的(de)(de)(de)(de)(de)(de)靜電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)感(gan)(gan)(gan)(gan)應(ying)和(he)(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)感(gan)(gan)(gan)(gan)應(ying)。)稱為(wei)感(gan)(gan)(gan)(gan)應(ying)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊，如(ru)圖3所示(shi)。由(you)于(yu)過(guo)壓(ya)(ya)和(he)(he)過(guo)流，很容易損(sun)(sun)壞微電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子器件(jian)，傷害(hai)工人(ren)，干(gan)擾(rao)或(huo)丟失(shi)傳(chuan)輸或(huo)存(cun)儲的(de)(de)(de)(de)(de)(de)信號或(huo)數據(ju)(模擬或(huo)數字)。1.3雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)傳(chuan)播途(tu)徑雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)對建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)內(nei)部(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)的(de)(de)(de)(de)(de)(de)破壞主(zhu)要(yao)有(you)(you)以(yi)下(xia)(xia)(xia)三種途(tu)徑：1)直(zhi)接(jie)(jie)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)通(tong)(tong)(tong)過(guo)避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)器(如(ru)避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)針、避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)帶(dai)(dai)、避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)網(wang)(wang)等(deng))直(zhi)接(jie)(jie)射入地(di)(di)(di)(di)面。)，引起(qi)(qi)接(jie)(jie)地(di)(di)(di)(di)網(wang)(wang)地(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位上升，高(gao)壓(ya)(ya)通(tong)(tong)(tong)過(guo)設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)接(jie)(jie)地(di)(di)(di)(di)線(xian)(xian)引入電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)，引起(qi)(qi)地(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位反擊。2)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流通(tong)(tong)(tong)過(guo)引下(xia)(xia)(xia)線(xian)(xian)進(jin)入地(di)(di)(di)(di)面時，引下(xia)(xia)(xia)線(xian)(xian)周圍(wei)產生(sheng)磁(ci)場(chang)，引下(xia)(xia)(xia)線(xian)(xian)周圍(wei)各種金屬管(線(xian)(xian))感(gan)(gan)(gan)(gan)應(ying)產生(sheng)過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)。3)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)或(huo)機房(fang)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源線(xian)(xian)、通(tong)(tong)(tong)訊線(xian)(xian)等(deng)。在(zai)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)外遭(zao)受(shou)直(zhi)擊雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)或(huo)感(gan)(gan)(gan)(gan)應(ying)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)，沿線(xian)(xian)路運(yun)行并侵入電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)。1.4防(fang)(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)完整(zheng)(zheng)的(de)(de)(de)(de)(de)(de)防(fang)(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)系(xi)統(tong)包(bao)(bao)括直(zhi)接(jie)(jie)防(fang)(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)和(he)(he)感(gan)(gan)(gan)(gan)應(ying)防(fang)(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)兩個方面。任(ren)何方面的(de)(de)(de)(de)(de)(de)缺(que)失(shi)都(dou)是不(bu)(bu)(bu)完整(zheng)(zheng)的(de)(de)(de)(de)(de)(de)、有(you)(you)缺(que)陷的(de)(de)(de)(de)(de)(de)和(he)(he)潛在(zai)危(wei)險的(de)(de)(de)(de)(de)(de)。避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)針，包(bao)(bao)括避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)帶(dai)(dai)和(he)(he)接(jie)(jie)地(di)(di)(di)(di)系(xi)統(tong)，主(zhu)要(yao)用于(yu)防(fang)(fang)(fang)(fang)止(zhi)直(zhi)接(jie)(jie)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊。根(gen)據(ju)《建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)防(fang)(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)設(she)(she)(she)計(ji)(ji)規(gui)范》 (GB50057-94)和(he)(he)郵(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)部(bu)、石油化(hua)工總公司1998年(nian)3月發布的(de)(de)(de)(de)(de)(de)文件(jian)，直(zhi)擊雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)防(fang)(fang)(fang)(fang)護(hu)應(ying)采用傳(chuan)統(tong)避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)針，建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)周圍(wei)均勻(yun)分布避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)帶(dai)(dai)，并與(yu)(yu)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)的(de)(de)(de)(de)(de)(de)框(kuang)架結(jie)構(gou)和(he)(he)水管連接(jie)(jie)。接(jie)(jie)地(di)(di)(di)(di)網(wang)(wang)的(de)(de)(de)(de)(de)(de)接(jie)(jie)地(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻不(bu)(bu)(bu)大(da)于(yu)10W。感(gan)(gan)(gan)(gan)應(ying)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)的(de)(de)(de)(de)(de)(de)防(fang)(fang)(fang)(fang)護(hu)主(zhu)要(yao)采用感(gan)(gan)(gan)(gan)應(ying)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)器。從我們(men)對多次遭(zao)受(shou)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊的(de)(de)(de)(de)(de)(de)通(tong)(tong)(tong)信網(wang)(wang)絡(luo)系(xi)統(tong)的(de)(de)(de)(de)(de)(de)實地(di)(di)(di)(di)調查中發現，大(da)多數被雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊損(sun)(sun)壞的(de)(de)(de)(de)(de)(de)計(ji)(ji)算機網(wang)(wang)絡(luo)都(dou)在(zai)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)屋頂(ding)的(de)(de)(de)(de)(de)(de)中心(xin)裝有(you)(you)鐵塔或(huo)避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)針，建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)為(wei)框(kuang)架結(jie)構(gou)。鐵塔、避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)針、避(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)帶(dai)(dai)的(de)(de)(de)(de)(de)(de)底座(zuo)與(yu)(yu)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)的(de)(de)(de)(de)(de)(de)主(zhu)框(kuang)架鋼(gang)筋(jin)連接(jie)(jie)，建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)的(de)(de)(de)(de)(de)(de)主(zhu)鋼(gang)筋(jin)作(zuo)為(wei)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)引下(xia)(xia)(xia)線(xian)(xian)。從這個角度來(lai)說，雖(sui)然(ran)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)本(ben)身的(de)(de)(de)(de)(de)(de)防(fang)(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)狀況良好，但并不(bu)(bu)(bu)能保證建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)(wu)內(nei)部(bu)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)不(bu)(bu)(bu)受(shou)影(ying)響。因此，目前電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)遭(zao)受(shou)雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)擊的(de)(de)(de)(de)(de)(de)主(zhu)要(yao)途(tu)徑是：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源線(xian)(xian)和(he)(he)信號線(xian)(xian)被雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)感(gan)(gan)(gan)(gan)應(ying)產生(sheng)瞬態過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)，進(jin)而損(sun)(sun)壞設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)。較好的(de)(de)(de)(de)(de)(de)解決(jue)辦法(fa)是在(zai)上述(shu)設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)的(de)(de)(de)(de)(de)(de)前端(duan)安裝一(yi)個雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)保護(hu)器，當雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)達到時，設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)端(duan)子的(de)(de)(de)(de)(de)(de)剩(sheng)余(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)可以(yi)控制在(zai)800V以(yi)下(xia)(xia)(xia)，這樣電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子設(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)(bei)就不(bu)(bu)(bu)會被雷(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)損(sun)(sun)壞。 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二.防雷設計方(fang)案(an)的依據

1)《建筑(zhu)防雷設計(ji)規范》(GB50057-94)。2)《機房防雷設計(ji)規范》(GB50174-93)。3)臨時技術(shu)規范

為了更有效地(di)保(bao)護(hu)電(dian)(dian)(dian)(dian)(dian)視(shi)監(jian)控(kong)設(she)(she)(she)備和(he)設(she)(she)(she)施，我(wo)公(gong)司(si)按照“安(an)全、可靠(kao)、技術先進(jin)(jin)、經(jing)濟(ji)合(he)理”的指導思想進(jin)(jin)行規(gui)劃(hua)。根據(ju)家標準(zhun)，本方案按第(di)三類防(fang)(fang)雷(lei)設(she)(she)(she)施設(she)(she)(she)計：5.1電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)系(xi)統防(fang)(fang)雷(lei)及過電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)保(bao)護(hu)1)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)一級防(fang)(fang)雷(lei)：一套德(de)DEHNport255 * 4進(jin)(jin)口(kou)(kou)模(mo)塊化防(fang)(fang)雷(lei)裝置(zhi)(zhi)(zhi)(zhi)(三相四線制，放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)100KA，10/350波(bo)形，響(xiang)應(ying)時(shi)(shi)間(jian)(jian)100ns， 剩(sheng)(sheng)余電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)3.5KV)選(xuan)(xuan)擇安(an)裝在(zai)地(di)下室(shi)總配電(dian)(dian)(dian)(dian)(dian)箱內2)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)二次防(fang)(fang)雷(lei)及過電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)保(bao)護(hu)組合(he)：選(xuan)(xuan)擇兩套德(de)DEHNguard275 * 2(單相，放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)40KA，8/20波(bo)形，響(xiang)應(ying)時(shi)(shi)間(jian)(jian)25ns，剩(sheng)(sheng)余電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)1.1KV)的過電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)組合(he)模(mo)塊，分(fen)(fen)別安(an)裝在(zai)監(jian)控(kong)室(shi)的配電(dian)(dian)(dian)(dian)(dian)箱和(he)為其他區域(yu)攝像機供電(dian)(dian)(dian)(dian)(dian)的配電(dian)(dian)(dian)(dian)(dian)箱內，前面有C32-3P空氣開關保(bao)護(hu)。 3)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)三級防(fang)(fang)雷(lei)：德(de)DEHNrail48FML(放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)10KA，響(xiang)應(ying)時(shi)(shi)間(jian)(jian)25ns，剩(sheng)(sheng)余電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)600V)避雷(lei)裝置(zhi)(zhi)(zhi)(zhi)用(yong)于(yu)保(bao)護(hu)監(jian)控(kong)室(shi)分(fen)(fen)像器、主矩陣等關鍵(jian)設(she)(she)(she)備，其他區域(yu)攝像機電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)干(gan)式(shi)變壓(ya)(ya)(ya)器，紅外(wai)報警前。5.2信號系(xi)統的防(fang)(fang)雷(lei)和(he)過壓(ya)(ya)(ya)保(bao)護(hu)從外(wai)部進(jin)(jin)入(ru)監(jian)控(kong)室(shi)的視(shi)頻線路(lu)和(he)數據(ju)控(kong)制線大多暴(bao)露在(zai)外(wai)，線路(lu)較(jiao)長，較(jiao)容易受到雷(lei)電(dian)(dian)(dian)(dian)(dian)感應(ying)產生的強感應(ying)電(dian)(dian)(dian)(dian)(dian)流(liu)，從而(er)通(tong)過線路(lu)損壞連接設(she)(she)(she)備及其后續設(she)(she)(she)備。因此：1)在(zai)室(shi)外(wai)攝像機端口(kou)(kou)和(he)畫面分(fen)(fen)割器端口(kou)(kou)增加(jia)DEHNUGKF/B-L(帶寬300MHz，響(xiang)應(ying)時(shi)(shi)間(jian)(jian)1ns，漏(lou)電(dian)(dian)(dian)(dian)(dian)10KA)視(shi)頻信號防(fang)(fang)雷(lei)裝置(zhi)(zhi)(zhi)(zhi)，保(bao)護(hu)設(she)(she)(she)備。2)在(zai)云臺控(kong)制器的端口(kou)(kou)前安(an)裝DEHNBLITZDUCTORCTBD48(工作電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)48V，嵌入(ru)式(shi)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)55V，響(xiang)應(ying)時(shi)(shi)間(jian)(jian)100ns，漏(lou)電(dian)(dian)(dian)(dian)(dian)20KA)信號避雷(lei)裝置(zhi)(zhi)(zhi)(zhi)，保(bao)護(hu)控(kong)制設(she)(she)(she)備，從而(er)保(bao)證(zheng)數據(ju)通(tong)信的正(zheng)常運行。在(zai)報警口(kou)(kou)前的紅外(wai)探(tan)頭的數據(ju)線上加(jia)DEHNBLITZDUCTORCTBD24(工作電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)24V，嵌入(ru)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)27V，響(xiang)應(ying)時(shi)(shi)間(jian)(jian)100ns，漏(lou)電(dian)(dian)(dian)(dian)(dian)20KA)信號避雷(lei)裝置(zhi)(zhi)(zhi)(zhi)，保(bao)護(hu)報警設(she)(she)(she)備。5.3監(jian)控(kong)中心機房采用(yong)等電(dian)(dian)(dian)(dian)(dian)位連接措施(屏蔽和(he)公(gong)共接地(di))防(fang)(fang)止靜電(dian)(dian)(dian)(dian)(dian)

電地板下，沿著地面上布置40*3紫銅排，形成閉合環接地匯流母排。將配電箱金屬外殼、電源地、避雷器地、機柜外殼、金屬屏蔽線槽、門窗等穿過各防雷區交界的金屬部件和系統(設備的外殼)，以及對防靜電地板下的隔離架進行多點等電位接地就進至匯流排。并采用等電位連接線4-10mm2銅芯線螺栓緊固的線夾作為連接材料。同時在機房找出建筑物主鋼筋，經測試確與避雷帶連接良好，用f14鍍鋅圓鋼通過銅鐵轉換接頭將接地匯流母排與之連接起來。同時將室外攝像機的金屬支架用40*3鍍鋅扁鐵建筑物主鋼筋連接起來，形成等電位。

六、優質服務承諾

1).36個月工(gong)程(cheng)質(zhi)量保證期，在此期間，若發生工(gong)程(cheng)質(zhi)量問題，公(gong)司(si)根據相(xiang)關保險條(tiao)例進行工(gong)程(cheng)賠償。2).免費為用(yong)戶提供技(ji)(ji)術培訓和技(ji)(ji)術應(ying)答。3).如果用(yong)戶需要，公(gong)司(si)技(ji)(ji)術人(ren)員48小時內到達(da)現場服(fu)務。4).為用(yong)戶提供完善的工(gong)程(cheng)設計方案、安裝說明(ming)。5).合(he)同簽訂后，將在用(yong)戶現場舉行技(ji)(ji)術協(xie)調會，考察(cha)實地，并做相(xiang)應(ying)項目測試(shi)，為項目施工(gong)工(gong)作做準備。#p#分頁標題#e#

七、安裝平面圖