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提ti高gao空kong調tiao的de製zhi冷leng效xiao率lv並bing節jie約yue能neng源yuan是shi數shu據ju中zhong心xin管guan理li的de重zhong要yao部bu分fen,而er機ji櫃gui的de熱re密mi度du不bu停ting的de增zeng加jia則ze帶dai給gei我wo們men更geng多duo的de挑tiao戰zhan。高gao密mi度du服fu務wu器qi與yu低di密mi度du混hun合he模mo式shi的de出chu現xian,由you於yu服fu務wu器qi的de密mi度du不bu均jun衡heng,因yin而er產chan生sheng的de熱re量liang也ye不bu均jun衡heng,傳chuan統tong數shu據ju中zhong心xin的de平ping均jun製zhi冷leng方fang法fa已yi經jing很hen難nan滿man足zu需xu求qiu。本ben文wen詳xiang細xi介jie紹shao了le設she計ji簡jian單dan,成cheng本ben低di,效xiao果guo卻que最zui好hao的de冷leng通tong道dao封feng閉bi(冷池)的解決方案。

國內的數據中心發展到今天已經有很多年了,從2000年左右,中國的數據中心市場進入了一個高速發展的時期。從2005年開始,數據中心的熱處理成為了一個關鍵詞。IT設備的機架化在節省了數據中心物理空間的同時,也集中了數據中心的熱量,單台機櫃的容量越來越大。從最初的1.5-3kw,到現在的10kw-30kw。尤(you)其(qi)近(jin)一(yi)兩(liang)年(nian)刀(dao)片(pian)服(fu)務(wu)器(qi)越(yue)來(lai)越(yue)普(pu)及(ji),使(shi)得(de)單(dan)台(tai)機(ji)櫃(gui)的(de)容(rong)量(liang)的(de)增(zeng)長(chang)更(geng)加(jia)快(kuai)速(su)。而(er)數(shu)據(ju)中(zhong)心(xin)製(zhi)冷(leng)技(ji)術(shu)幾(ji)乎(hu)沒(mei)有(you)任(ren)何(he)變(bian)化(hua)。麵(mian)對(dui)著(zhe)低(di)密(mi)度(du)機(ji)櫃(gui)往(wang)高(gao)密(mi)度(du)機(ji)櫃(gui)這(zhe)種(zhong)變(bian)化(hua),使(shi)用(yong)傳(chuan)統(tong)的(de)製(zhi)冷(leng)技(ji)術(shu)已(yi)經(jing)無(wu)法(fa)解(jie)決(jue)單(dan)台(tai)機(ji)櫃(gui)容(rong)量(liang)過(guo)大(da)而(er)產(chan)生(sheng)的(de)大(da)量(liang)的(de)熱(re)。鑒(jian)於(yu)這(zhe)種(zhong)變(bian)化(hua),市(shi)場(chang)上(shang)也(ye)出(chu)現(xian)了(le)多(duo)種(zhong)解(jie)決(jue)方(fang)案(an),包(bao)括(kuo)水(shui)平(ping)送(song)風(feng)的(de)空(kong)調(tiao)機(ji),風(feng)帽(mao)送(song)風(feng)的(de)空(kong)調(tiao)機(ji),冷(leng)通(tong)道(dao)封(feng)閉(bi)等(deng)等(deng)相(xiang)關(guan)技(ji)術(shu)解(jie)決(jue)方(fang)案(an)。在(zai)眾(zhong)多(duo)的(de)解(jie)決(jue)方(fang)案(an)中(zhong),設(she)計(ji)最(zui)簡(jian)單(dan),成(cheng)本(ben)最(zui)低(di)的(de)、而效果最好的要屬冷通道封閉(冷池)的解決方案。
2010年,工信部某涉密單位建設一500平米的屏蔽機房。由於此機房為核心機房,整個機房的使用設備的功率密度很大,單機櫃容量最大可以達到10kwyishang。jianyuzhezhongshiyongzhuangkuang,duizhenggejifangdebujuquanbucaiyonglengtongdaofengbisheji。chucizhiwai,tongguolengchidekuandudaxiaolaiqufenweigaomiduquyuzhongmiduqu。qizhong,zhongmiduqushejidanjiguirongliangwei5kw,高密度區設計單機櫃容量為12kw。
整個機房采用機房專用的精密空調,全部采用下送風的送風方式,地板下架高500mm,上麵鋪設防靜電地板,邊沿采用密封處理。所有機櫃的擺放方式為“麵對麵、背靠背”擺(bai)放(fang)方(fang)式(shi)。在(zai)機(ji)櫃(gui)前(qian)端(duan)鋪(pu)設(she)可(ke)調(tiao)節(jie)進(jin)風(feng)量(liang)的(de)開(kai)孔(kong)地(di)板(ban),可(ke)根(gen)據(ju)設(she)備(bei)的(de)散(san)熱(re)量(liang)來(lai)隨(sui)時(shi)調(tiao)節(jie)風(feng)量(liang)。機(ji)櫃(gui)麵(mian)對(dui)麵(mian)擺(bai)設(she)根(gen)據(ju)容(rong)量(liang)的(de)不(bu)同(tong),間(jian)距(ju)不(bu)同(tong),中(zhong)密(mi)度(du)區(qu)域(yu)(5kw/機櫃)兩排機櫃間隔1.2m,高密度區域(12kw/機櫃)兩排機櫃間隔2.4m。對高密度與中密度區域頂部架設頂板,兩側安裝封閉門,封閉整個冷卻區域,以此來達到精確製冷的目的。

對整個送風區域進行封閉處理(冷通道封閉),可(ke)以(yi)有(you)效(xiao)地(di)使(shi)地(di)板(ban)下(xia)送(song)出(chu)的(de)冷(leng)風(feng)全(quan)部(bu)用(yong)於(yu)設(she)備(bei)散(san)熱(re),而(er)大(da)幅(fu)減(jian)少(shao)或(huo)避(bi)免(mian)風(feng)量(liang)和(he)冷(leng)量(liang)的(de)損(sun)耗(hao),而(er)最(zui)終(zhong)大(da)幅(fu)提(ti)高(gao)製(zhi)冷(leng)的(de)效(xiao)率(lv)。從(cong)整(zheng)個(ge)機(ji)房(fang)的(de)氣(qi)流(liu)組(zu)織(zhi)來(lai)看(kan),有(you)效(xiao)地(di)避(bi)免(mian)了(le)傳(chuan)統(tong)機(ji)房(fang)中(zhong)冷(leng)熱(re)空(kong)氣(qi)混(hun)合(he),冷(leng)空(kong)氣(qi)短(duan)路(lu),以(yi)及(ji)遠(yuan)端(duan)機(ji)櫃(gui)由(you)於(yu)壓(ya)降(jiang)的(de)問(wen)題(ti),而(er)導(dao)致(zhi)的(de)機(ji)櫃(gui)頂(ding)端(duan)設(she)備(bei)無(wu)足(zu)夠(gou)冷(leng)量(liang)用(yong)於(yu)散(san)熱(re),而(er)最(zui)終(zhong)產(chan)生(sheng)的(de)局(ju)部(bu)熱(re)點(dian)問(wen)題(ti)。而(er)對(dui)於(yu)冷(leng)通(tong)道(dao)封(feng)閉(bi)的(de)方(fang)案(an),其(qi)中(zhong)最(zui)重(zhong)要(yao)的(de)一(yi)點(dian),也(ye)是(shi)一(yi)直(zhi)以(yi)來(lai)阻(zu)礙(ai)此(ci)方(fang)案(an)大(da)規(gui)模(mo)推(tui)廣(guang)的(de)首(shou)要(yao)問(wen)題(ti)就(jiu)是(shi)消(xiao)防(fang)的(de)問(wen)題(ti)。由(you)於(yu)數(shu)據(ju)中(zhong)心(xin)裏(li)運(yun)行(xing)的(de)都(dou)是(shi)ITshebei,suoyitongchangdexiaofanghuicaiyongqitimiehuo。youyufengbilelengtongdao,yidanlengtongdaoneishebeiqihuo,xiaofangqitiwufazaiguidingshijianneidaodafengbiquyunei,shibihuizaochenggengdadesunshi。youjianyuci,tongchangzaizuolengtongdaofengbishi,zhizuobufendefengbi,ruzaizhenggefengbidedingbanzhong,you30%的de區qu域yu敞chang開kai,或huo者zhe不bu安an裝zhuang通tong道dao門men,一yi旦dan發fa生sheng火huo災zai,消xiao防fang係xi統tong起qi動dong後hou,可ke以yi從cong這zhe些xie敞chang開kai區qu域yu進jin入ru機ji櫃gui,達da到dao滅mie火huo的de目mu的de。但dan是shi,這zhe種zhong做zuo法fa由you於yu沒mei有you完wan全quan封feng閉bi,對dui封feng閉bi區qu域yu內nei散san熱re的de效xiao果guo有you限xian,對dui於yu一yi些xie高gao功gong率lv的de機ji櫃gui與yu設she備bei還hai是shi不bu能neng滿man足zu其qi散san熱re的de需xu求qiu。
benanzhong,weigenghaodejiejuezhegewenti,womenshejileyuxiaofangxitonglianhedongzuodefangshilaijiejuexiaofangdewenti。guanjiandianzaiyu,jianglengtongdaodedingbushejichengfanbandefangshi,zhengchangzhuangtaixia,fanbanyoutongdiandecitiexihe,dingbumifengbutoukongqi。dangyidanfashenghuojing,zaixiaofangxitongqidongzhiqian,xianjiangfanbandediancitieduandian,fanbanyouyuzhonglidezuoyongxunsudakai,cishi,xiaofangxitongqidong,miehuoqitiyoufanbanchujinrufengbikongjiannei,dadaomiehuodemude。cizhongfanganshejiyededaodeyonghudehaoping。
采(cai)用(yong)冷(leng)通(tong)道(dao)封(feng)閉(bi)的(de)方(fang)案(an)是(shi)近(jin)年(nian)來(lai)在(zai)大(da)型(xing)的(de)數(shu)據(ju)中(zhong)心(xin),尤(you)其(qi)是(shi)中(zhong)高(gao)密(mi)度(du)的(de)數(shu)據(ju)中(zhong)心(xin)多(duo)為(wei)采(cai)用(yong)的(de)一(yi)種(zhong)冷(leng)卻(que)方(fang)法(fa)。此(ci)方(fang)案(an)有(you)效(xiao)的(de)解(jie)決(jue)了(le)高(gao)密(mi)度(du)機(ji)櫃(gui)的(de)冷(leng)卻(que)問(wen)題(ti),降(jiang)低(di)了(le)由(you)於(yu)設(she)備(bei)過(guo)熱(re)造(zao)成(cheng)的(de)宕(dang)機(ji)的(de)風(feng)險(xian),消(xiao)防(fang)聯(lian)動(dong)的(de)設(she)計(ji),也(ye)解(jie)決(jue)了(le)消(xiao)防(fang)風(feng)險(xian)的(de)問(wen)題(ti)。通(tong)過(guo)實(shi)踐(jian)證(zheng)明(ming),冷(leng)通(tong)道(dao)封(feng)閉(bi)(冷池)方案適合在大型的,高密度的數據中心中進行推廣!
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