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(juan)(juan)电? ?nbsp; 贴心(lian)(ao)
(mo)(mo)(mo)(mo)(mo)(mo)如(bei),综(huan)(yang)(guo)线系(chen)统工(fa)程项(sui)(sui)(sui)越来越多,(ren)(ren)(wei)(wei)(duo)(sui)(sui)(sui)规模也越来越大,综(huan)(yang)(guo)线系(chen)统项(sui)(sui)(sui)的(yang)项标准也(jian)(sui)(sui)(sui)完善,(ren)(ren)(xi)们(hua)(hua)除了(xia)按(dui)相(shi)(wei)(wei)的(ning)线标准进操作外,(ren)(ren)(wei)(wei)中(fei)(fei)(fan)(fan)线(kua)(fa)(cuan)(hou)(ren)(ren)(xi)们(hua)(hua)还需(ying)(xia)进行摸索,(ren)(ren)(kou)(kou)(guang)项目(kou)(kou)工(fa)保障(lu)量(fei)(fei)(fan)(fan)(zu)提高施(chen)效(dui)。(bei)面就(an)(ning)大家了解一下:综合(ning)线(zu)(duo)(ying)考虑(jian)(fei)(fei)计算(he)机房内(ping)(dui)境条件(mo)(mo)(mo)?/span>
(zi)合布(mi)系(hun)时需考虑的计算机(man)机房内(ping)(yi)境条件:温度和湿度、(huo)(nuo)、照明、(huo)(dan)(ban)(nin)震(jiong)、电磁(huo)扰、静电(dian)?/span>
1、温(fu)度和湿(kua)
(mo)(mo)根(gui)(kan)计算(lian)(lian)系统对温度和湿(gu)(qian)(qian)的要(gui)(die)(ben)可(hao)温(qian)(qian)和湿度分(ru)A(mo)B(juan)级(mo)机房可按(qun)(juan)级执(qiao)(chen)(chen)(e)也可按(qun)(bang)级综合执行(mo)所谓综合执(qiao)(chen)(chen)(e)是指(bao)(juan)(juan)机房可按(qun)(bang)级执行(ben)而(wu)必强求一律。如某机房按(lian)(lian)器要(gui)(die)可选(qun)开(lian)(lian)时按A级温(mo)(gui)(gu)(qian)(qian),停机时则(da)按B级温(mo)(gui)(gu)(qian)(qian)?/span>
?(liao)(lian)时(lu)(lian)房的、湿?/span>
(mo)(mo)? (wei)(chong)(man)(man)时机(man)(man)房(kua)(qing)温、湿?/span>
开(lian)时主机(man)房的(qing)(wei)、(gui)(gu)度应(pai)(jia)行A(wan),(nuo)本工作(xiang)可根(gui)设(ju)要(gui)按A(jian)、B两级(hai)(jia)行,其他辅(e)房(xiang)应(pai)按(sui)艺(hong)求(yao)(yue)?/span>
(mo)(mo)(mo)(mo)其他房间的温(mo)(mo)(gui)度可根据所(mao)设备的(qing)技(lian)要求而定,亦可采()表中的(qing)(wan)别(mo)(mo)?/span>
(mo)(mo)2(mo)尘?/span>
(mo)(mo)计算(lian)(lian)(hong)房(kua)(fei)(fan)(jun)埃()(lian)(lian)(hong)要求而定,主(lian)(lian)(hong)(ju)内(ping)径(fan)(bang)或(shou)(jiang)于(lu)0.5um(fei)(fan)(jun)埃()(fu)(suo)应小于(lu)或等(bang)?8000?cm³(mo)?/span>
3、(quan)(tuan)?/span>
(mo)(mo)计算机机房在距地?.8m处,(dui)度不应低于(lu)3001x,基本工(fa)作(hao)(xia)(chu)一类辅助房(xiang)(xiang)不低于(lu)2001x,其他房(xiang)(xiang)参(dui)《(mian)筑照(shou)(tuan)设计标准(hai)?GB50034-2004)执行(mo)?/span>
(mo)(mo)(mo)(mo)计算机机房、终端室(mo)(mo)(huo)记录(fu)的媒体存(jiang)(lu)(juan)(qian)设(bang)(bang)故(dui)明,其(dui)度在距(kou)地面0.8m(chan)不(qian)(pei)(bang)(bang)?lx(mo)(mo)主要通(zheng)及有(wei)房间依据需要(huo)设事故(ping)(shou)(tuan)(bu)(wei)照(shou)(qian)在距地?.8m(chan)不(qian)(pei)(bang)(bang)?1x(mo)(mo)?/span>
(mo)(mo)(mo)(mo)工作(hu)(chen)内一般照(shou)明的(hong)匀(qian)?最低照(shou)(qian)与平(chong)(pi)(dui)度(hai)(cen)比)不宜(liu)(hao)于0.7(mo)(mo)(suo)工作(hu)(chen)的(dui)度(hai)不宜(liu)低于工作(hu)(chen)平(hong)照(shou)(qian)的1/5(mo)(mo)?/span>
(mo)(mo)(mo)(mo)()子计算机机(man)房内(qiang)应设置备()照(tuan),(ren)其照度宜(liu)(juan)(hong)(lei)照(tuan)(tiao)(qing)1/10(mo)(mo)各()照(tuan)宜(liu)(juan)(hong)(lei)照(tuan)(tiao)(qing)(juan)部分(mo)(mo)(yao)子计算机(man)机房应设置散照(tuan)和(nin)(yue)全出口(luo)(jiong)灯,(ren)其照度不应低?.51x(mo)(mo)?/span>
(mo)(mo)电子计算(lian)机房照(tuan)线路宜(liu)(chu)(kuai)(kuai)(geng)(geng)暗敷(feng)(shou)(she)吊顶内(qiang)(chu)(kuai)(kuai)(geng)(geng)明敷。(xiao)面积照明(she)所(ji)的灯(dun)具(feng)(liu)分区(kui)(mo)分段设置开关(chi)技(lian)夹层(xiao)(qiang)应设照明,采(yong)用单独支路或(shou)专用配电(geng)(geng)??供(shui)(mo)?/span>
4、噪声和(an)动
(mo)(mo)计算(lian)(hong)(zi)(zeng)(lian)(hong)(lian)(hong)内(ping)噪声(she)主(lian)(hong)中心(chan)测(xuan)应小于(lu)65dB(mo)?/span>
在计算机(man)系(hun)(bai)(guo)机(man)(shou)件下,主机(man)房(kua)(shou)表面垂直(cun)水(cun)向的(qing)振动加速度值不应(you)?00mm/s²?/span>
(mo)(mo)5(mo)电磁干(jia)?/span>
(mo)(mo)(mo)(mo)(mo)(mo)机房内无线电子(qi)场(hong),在频率范(fu)0.15MHz~l000MHz时不大于126dB(mo)(mo)(mo)?/span>
机(hong)内磁场干扰(ban)强(hong)大于(lu)800A/m?/span>
6、(xing)?/span>
主机房地面及工作台面的静()泄(jie)电阻应符合现行国家标准(ai)《(ju)(geng)机机房(ju)()活动地(shou)技术条件》的(nao)定?/span>
(juan)(juan)机房内(qiang)绝缘(huan)的(qing)静电电位(juan)(juan)应大于1kV。静电接(sha)(she)(ban)以经限流(wu)电阻及自己的(qing)(ma)接(sha)线与()地(mao)置(jiang)(sui)连(ben)限流(quan)(qu)(hun)(qing)(qu)值宜(juan)(juan)?M(rao)姆?/span>
基本工作(hu)间(cui)()活动地(ban)板(kua),可铺设导静()地(ban)面。导静电地面(kui)可采()导()胶(juan)建(huan)筑地(ban)面粘牢,其导()性能应长期稳(yue),(juan)不易发(hao)?/span>
(mo)(mo)(mo)(mo)(mo)(mo)(juan)机房内采用(fei)活(chun)(chun)(e)地(ban)(ban)(shou)(shou)可()(())钢(mo)(mo)(mo)铝或其他阻燃性材料制成。活(chun)(chun)(e)地(ban)(ban)(shou)(shou)表(wei)(wei)应(tuan)导(wei)(wei)电(fei),(ren)(juan)禁(guan)露金(cai)部分(mo)(mo)(mo)单元活(chun)(chun)(e)地(ban)(ban)(shou)(shou)的系统()(())阻应符合现行(han)(yue)(duo)准《计(geng)机(lian)房()(())活(chun)(chun)(e)地(ban)(ban)(shou)(shou)(kua)(lian)条(xun)件》(xu)(nao)定(mo)(mo)(mo)?/span>
(mo)(mo)(juan)机房内的工(fa)作台(wei)及(qiang)(qian)椅垫套材料(qian)是导静(run)电的(mo)主(fu)机房(ju)内的导体必须(juan)(yi)地(ban)(chi)(wei)连接,(juan)(gou)有地绝缘的孤立导体(mo)?/span>
导静电地、活(chun)(e)地板、工作台面和座椅(kui)套(jian)须进(du)静电(shu)接地?/span>
静(zan)(shu)接地的(ju)接线应有足(chong)的机械强和化(yi)稳(chong)性。导静(zan)(shu)地面和台面采用导电胶与接(sha)地导体粘接时,其接触面积不宜(liu)小于l0cm²?/span>
(mo)(mo)建议计算(cheng)机机(xi)使用活动地(ban)板。活动地(ban)板的(qing)规格(mo)性能(qian)符合《防(wei)电活动地板(shan)通(yang)规范(mo)?SJ/T10796-2001)的规定?/span>
(mo)(mo)活(nian)(nian)地板(shan)按支(xia)撑(jia)式分(ke)为(hong)(duan)支(xia)承(kua)(fang)(fang)和四(nao)(shu)(xia)承(kua)(fang)(fang)(mo)四(duan)支(xia)承(kua)(fang)(fang)活动(nian)(nian)地板(shan)由(bian)板、支(xia)撑、横梁、(quan)(cong)垫(jiao)等组(li)(li)成(gong)四(nao)(shu)(xia)承(kua)(fang)(fang)活动(nian)(nian)地板(shan)由(bian)板、支(xia)撑、(quan)(cong)垫(jiao)等组(li)(li)?/span>