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室外一體化機柜存在四大不可忽視的難題

發(fā)布日期:2019-11-12 18:36:44 作者:admin 點(diǎn)擊:1377


室外一體化機柜正呈現兩個(gè)發(fā)展趨勢,一是從小容量覆蓋以解決網(wǎng)絡(luò )盲點(diǎn)的需求,逐步發(fā)展目前規模應用;二是從單個(gè)一體化通信機柜逐步發(fā)展多機柜使用的情況。然而,對于運營(yíng)商而言,現階段由于室外一體化機柜多部署于樓頂、山區、路邊、小區、鄉村等戶(hù)外環(huán)境,受天氣狀況和氣候影響較大,因而面臨監控維護不便、電源可靠性欠佳、散熱性能不足、標準不完善等問(wèn)題。

室外一體化機柜維護不便

目前在網(wǎng)絡(luò )基站等相關(guān)機房建設中,我們一般都選擇盡量建設機房,而不是室外一體化機柜,其中一個(gè)主要原因是機房在監控方面很有優(yōu)勢,方便工作人員后期維護。

當前3G業(yè)務(wù)發(fā)展要求基站間距縮小,從而數量相應增加。室外一體化機柜安裝條件越來(lái)越惡劣,經(jīng)常需安裝在樓宇線(xiàn)井內或樓道雜物間里,設備工作的溫度和清潔度基本上無(wú)法得到保證。

據悉,室外一體化機柜設備通常放置于太陽(yáng)照射、風(fēng)吹雨淋的戶(hù)外,易受高低溫環(huán)境、雨水和潮濕、灰塵、鹽霧等多種條件影響,運營(yíng)商維護人員將面臨更多的設備維護工作,同時(shí)部分站點(diǎn)位置太偏遠、機柜監控不夠方便,這一定程度上增加了維護難度。這些難題給運營(yíng)商和設備商都帶來(lái)了壓力。

就穩定性、適用性等方面來(lái)說(shuō),國內運營(yíng)商更加習慣和依賴(lài)傳統通信機房。室外一體化機柜目前分布比較分散,這對運營(yíng)商后期運維的廣度和深度都有影響。

室外一體化機柜室外供電環(huán)境復雜

基站對電源的可靠性、穩定性和環(huán)境適應性等要求極高,尤其是在當前市電供應緊張、極端天氣頻繁的情況下,如何保障戶(hù)外站點(diǎn)的供電安全,無(wú)疑是運營(yíng)商進(jìn)行網(wǎng)絡(luò )建設和優(yōu)化的一大挑戰。

單個(gè)室外一體化機柜采用220V交流供電方式,如果未配置蓄電池,當市電中斷的時(shí)候,基站就會(huì )退服。為了提高供電可靠性,室外一體化機柜基本上配置有戶(hù)外開(kāi)關(guān)電源或戶(hù)外UPS。這就產(chǎn)生了另一問(wèn)題:由于蓄電池對工作溫度有較高的要求,現有一體化機柜內溫度較高,致使蓄電池適用壽命和容量下降比較快。


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