DBF-7.1Q12變壓器冷卻風扇在吸取國(guo)內外同類產品(pin)優點(dian)的(de)基礎上設計(ji)(ji)制(zhi)造(zao)，采(cai)用高效率，低(di)噪聲葉型，該葉輪采(cai)用優質防銹鋁板材或復合材料翼形葉片制(zhi)造(zao)，配套電(dian)機(ji)為(wei)低(di)噪聲電(dian)動機(ji)。電(dian)機(ji)軸(zhou)承為(wei)雙密封電(dian)機(ji)軸(zhou)承。軸(zhou)端(duan)設計(ji)(ji)為(wei)雙套軸(zhou)承結構(gou)，加裝防水密封，具有良好的(de)防護性能，其防護等級(ji)達IP55，適用(yong)(yong)于戶(hu)外使(shi)用(yong)(yong)。因(yin)此，該產品具有噪聲低、效率高、性能穩定、運行可(ke)靠、使(shi)用(yong)(yong)壽命長等特點。

電機溫(wen)升：電機采用(yong)B級絕(jue)緣，定(ding)子繞組(zu)的溫(wen)升限值(zhi)（電(dian)阻法）≤45K，軸承允許溫度（溫度計(ji)法(fa)）≤95℃；軸承使(shi)用壽命(ming)在正常的使(shi)用條件DBF-7.1Q12變壓器冷卻風扇 是一種低嗓聲(sheng)高效(xiao)能(neng)的新型產品(pin)，CFZ變(bian)壓(ya)器(qi)風扇是按中華人民共和(he)國行業(ye)標準(zhun)JB/T9545-2002《變(bian)壓(ya)器(qi)冷(leng)卻風扇用(yong)三相異步(bu)電動機技術(shu)條件》和(he)JB/T9642-1999《變(bian)壓(ya)器(qi)風扇》等標準(zhun)設計制造，主(zhu)要用(yong)于(yu)大中型變(bian)壓(ya)器(qi)的散熱(re)冷(leng)卻系統，也可用(yong)于(yu)其它場所作吹排(pai)風使用(yong)，其噪聲(sheng)比(bi)傳統產品(pin)平均(jun)降(jiang)低3-10db(A)。DBF-5Q8、DBF-5Q6分(fen)為(wei)4葉(xie)片(pian)和3葉(xie)片(pian)兩種訂貨時說明，技術參(can)數如下：葉(xie)輪直徑(jing)：500mm.同(tong)步(bu)轉速：1000r/min,風(feng)量：6500m3/h,全(quan)壓(ya)：120/140Pa,電(dian)流：1.33A,電(dian)壓(ya):380V.頻率：50Hz,功率：0.37Kw,噪聲(sheng)(sheng)：64/67Db,重(zhong)量：18kg.DBF系(xi)列變(bian)(bian)壓(ya)器風(feng)扇(shan)(shan)(shan)適用(yong)(yong)(yong)于(yu)大型(xing)(xing)電(dian)子變(bian)(bian)壓(ya)器、電(dian)爐變(bian)(bian)壓(ya)器的(de)(de)冷卻系(xi)統(tong)。它(ta)是依據中華人民(min)共和國機(ji)(ji)械行業標(biao)準JB/T9642-1999＜＜變(bian)(bian)壓(ya)器風(feng)扇(shan)(shan)(shan)＞＞等標(biao)準設計制(zhi)造的(de)(de)，該產品(pin)吸(xi)取(qu)了國內外同(tong)類產品(pin)的(de)(de)優點，具有優良的(de)(de)空氣動(dong)力性(xing)能和噪聲(sheng)(sheng)低(di)、效率高(gao)、性(xing)能穩(wen)定、運行可靠(kao)、壽命長、防(fang)護(hu)分(fen)級高(gao)、安全(quan)可靠(kao)等特點，是目(mu)前國內較(jiao)為(wei)*低(di)噪聲(sheng)(sheng)變(bian)(bian)壓(ya)器用(yong)(yong)(yong)風(feng)扇(shan)(shan)(shan)。該系(xi)列產品(pin)已被(bei)沈變(bian)(bian)、保變(bian)(bian)、西(xi)變(bian)(bian)、等近20家大中型(xing)(xing)變(bian)(bian)壓(ya)器廠配套(tao)使用(yong)(yong)(yong)。DBF系(xi)列變(bian)(bian)壓(ya)器風(feng)扇(shan)(shan)(shan)采用(yong)(yong)(yong)低(di)噪聲(sheng)(sheng)葉(xie)型(xing)(xing)，柳接葉(xie)型(xing)(xing)，鉚接葉(xie)輪，電(dian)機(ji)(ji)為(wei)為(wei)低(di)噪聲(sheng)(sheng)用(yong)(yong)(yong)電(dian)機(ji)(ji)，采用(yong)(yong)(yong)進口低(di)噪聲(sheng)(sheng)軸承(cheng)，電(dian)動(dong)機(ji)(ji)軸伸端采用(yong)(yong)(yong)雙套(tao)軸承(cheng)結構，具有良好的(de)(de)防(fang)護(hu)作用(yong)(yong)(yong)，電(dian)動(dong)機(ji)(ji)外殼(ke)防(fang)護(hu)分(fen)級為(wei)IP55，適用(yong)(yong)(yong)于(yu)戶外使用(yong)(yong)(yong)。