看到這個標題的時候你肯定會震驚,what?電梯還會中暑?今(jin)天小編就來給您簡單說明一下:
1.機房溫度升高(gao)的原因
2.對電氣控制系統的影響
如何控制機房溫度
建筑結構方面
電梯機(ji)房做維護(hu)結構保溫(wen)(wen)處理,降低(di)夏季(ji)高溫(wen)(wen)天氣中室外(wai)溫(wen)(wen)度對室內設(she)備的(de)影響,同時不能因為是設(she)備房間而忽略了(le)維護(hu)結構的(de)保溫(wen)(wen),減小維護(hu)結構的(de)厚度。
(1)安裝通風降溫(wen)設備
在自然通風(feng)狀態(tai)下,安裝通風(feng)設備,以滿足機(ji)(ji)(ji)房溫度的要求,就要安裝空(kong)調(diao)。在裝設通風(feng)設備(如排(pai)風(feng)扇)時,應(ying)與機(ji)(ji)(ji)房的通風(feng)口(如百葉(xie)窗)對應(ying),使得空(kong)氣產生(sheng)對流,從而起到改(gai)善機(ji)(ji)(ji)房環境溫度的目的。
(2) 采(cai)用節能裝置
把控制(zhi)柜中制(zhi)動(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻的(de)(de)(de)熱能(neng)轉(zhuan)換為電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)儲存(cun)在(zai)(zai)蓄電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池或回(hui)饋到電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)中,既可(ke)以(yi)消(xiao)除發熱源(yuan),又(you)起(qi)到節(jie)(jie)能(neng)作用。在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)梯運行(xing)中,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)梯都不可(ke)避免的(de)(de)(de)存(cun)在(zai)(zai)發電(dian)(dian)(dian)(dian)(dian)(dian)(dian)過程,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)梯空(kong)載(zai)上行(xing)和(he)額載(zai)下(xia)行(xing)時,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機轉(zhuan)子在(zai)(zai)外(wai)力的(de)(de)(de)拖動(dong)或負載(zai)自身轉(zhuan)動(dong)慣(guan)量的(de)(de)(de)維持下(xia),使得電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機實際轉(zhuan)速(su)大(da)于變(bian)頻器輸出(chu)的(de)(de)(de)同步(bu)轉(zhuan)速(su),這時候(hou)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機處(chu)在(zai)(zai)發電(dian)(dian)(dian)(dian)(dian)(dian)(dian)狀態,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機所發出(chu)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)將(jiang)(jiang)會儲存(cun)在(zai)(zai)變(bian)頻器內的(de)(de)(de)濾(lv)波電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容中,如果不把這部(bu)(bu)(bu)分電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)消(xiao)耗掉,那么(me)直(zhi)(zhi)流(liu)母線電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)就會迅速(su)升高(gao),影響變(bian)頻器的(de)(de)(de)正常(chang)工作。通常(chang)處(chu)理(li)這部(bu)(bu)(bu)分能(neng)量的(de)(de)(de)方(fang)法是增(zeng)加制(zhi)動(dong)單(dan)元或制(zhi)動(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻,將(jiang)(jiang)這部(bu)(bu)(bu)分能(neng)量消(xiao)耗在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻上變(bian)成熱能(neng)浪費掉。而采用節(jie)(jie)能(neng)裝(zhuang)置(zhi)完全可(ke)以(yi)代(dai)替制(zhi)動(dong)單(dan)元和(he)制(zhi)動(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻,并且可(ke)以(yi)將(jiang)(jiang)這部(bu)(bu)(bu)分能(neng)量回(hui)饋給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang),達到綠色、環保、節(jie)(jie)能(neng)的(de)(de)(de)目的(de)(de)(de)。節(jie)(jie)能(neng)裝(zhuang)置(zhi)是通過自動(dong)檢測變(bian)頻器的(de)(de)(de)直(zhi)(zhi)流(liu)母線電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya),經過處(chu)理(li)器和(he)逆變(bian)器將(jiang)(jiang)變(bian)頻器中的(de)(de)(de)直(zhi)(zhi)流(liu)環節(jie)(jie)的(de)(de)(de)直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)逆變(bian)成與電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)同頻同相的(de)(de)(de)交流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya),經多重噪聲(sheng)濾(lv)波環節(jie)(jie)后連接到交流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang),從(cong)而達到能(neng)量回(hui)饋電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)的(de)(de)(de)目的(de)(de)(de)。
使用單位(wei)、維保單位(wei)應(ying)安排專職人員加強管(guan)理
維保單位應定期(qi)檢查(cha)降(jiang)溫(wen)設(she)備(bei)是否正常(chang)工(gong)作,定期(qi)對(dui)發熱源(如變頻器(qi)、制(zhi)動電阻(zu)、電動機(ji))運行情況(kuang)進(jin)行認真檢查(cha)。對(dui)于(yu)有多(duo)臺電梯(ti)(ti)的使用單位,在夏季高溫(wen)天(tian)氣,應交(jiao)替運行,避(bi)免(mian)為了(le)乘(cheng)坐方便(bian)或其他原因只使用某(mou)一臺電梯(ti)(ti),增加電梯(ti)(ti)在高溫(wen)天(tian)氣的運行負(fu)擔。另(ling)外,使用單位應給每(mei)個電梯(ti)(ti)機(ji)房配備(bei)滅(mie)火器(qi)。
結(jie)論:電(dian)(dian)梯(ti)(ti)(ti)控(kong)制(zhi)系(xi)統智能化(hua)程度(du)的(de)(de)不斷提高并(bing)不能完全(quan)消除電(dian)(dian)梯(ti)(ti)(ti)故障(zhang)(zhang),電(dian)(dian)梯(ti)(ti)(ti)在使(shi)用中的(de)(de)逐年老(lao)化(hua)導(dao)致故障(zhang)(zhang)頻發的(de)(de)趨(qu)勢不會(hui)改變。但(dan)通過對電(dian)(dian)梯(ti)(ti)(ti)機房的(de)(de)建筑結(jie)構、電(dian)(dian)氣控(kong)制(zhi)系(xi)統、機械系(xi)統的(de)(de)討(tao)論分析,采取有針對性的(de)(de)措施對各(ge)個環節有效控(kong)制(zhi),可以保證夏季(ji)高溫天氣電(dian)(dian)梯(ti)(ti)(ti)的(de)(de)機房溫度(du)在正常(chang)的(de)(de)范圍之(zhi)內,較終消除或減(jian)少因(yin)高溫引發的(de)(de)各(ge)種故障(zhang)(zhang),保障(zhang)(zhang)電(dian)(dian)梯(ti)(ti)(ti)在一個安全(quan)、穩定(ding)、可靠的(de)(de)環境下運行,更好的(de)(de)為用戶(hu)服務(wu)。
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