CFZ-7.1Q8耗電低的變壓器冷卻風扇在吸取國內外(wai)同類(lei)產品(pin)優點的基礎上設計制造(zao)，采(cai)用高效率，低噪(zao)聲(sheng)葉(xie)(xie)型，該(gai)葉(xie)(xie)輪采(cai)用優質防(fang)銹鋁板(ban)材(cai)或復(fu)合材(cai)料翼形葉(xie)(xie)片制造(zao)，配(pei)套電(dian)機為(wei)(wei)低噪(zao)聲(sheng)電(dian)動機。電(dian)機軸(zhou)承(cheng)為(wei)(wei)雙密封電(dian)機軸(zhou)承(cheng)。軸(zhou)端設計為(wei)(wei)雙套軸(zhou)承(cheng)結構，加裝防(fang)水(shui)密封，具有良好的防(fang)護性能，其防(fang)護等(deng)(deng)級(ji)達IP55，適(shi)用于戶外(wai)使(shi)用。因(yin)此，該(gai)產品(pin)具有噪(zao)聲(sheng)低、效率高、性能穩定、運行可靠、使(shi)用壽命長等(deng)(deng)特點。

電機(ji)溫升(sheng)：電機(ji)采用(yong)B級絕緣，定子繞組的溫升(sheng)限(xian)值（電阻法）≤45K，軸承允許溫度（溫度計法）≤95℃；軸承使用(yong)壽命在正常的使用(yong)條件下，能承受額定負載連續(xu)運(yun)行，其使用(yong)壽命為10年(nian)，并能保(bao)證(zheng)在*次(ci)大修前安全運(yun)行時間不(bu)少于(yu)5年(nian)。

CFZ-7.1Q8耗電低的變壓器冷卻風扇是按中華(hua)人(ren)民(min)共(gong)和(he)國行(xing)業(ye)標準(zhun)JB/T9545-2002《變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)冷(leng)卻風(feng)扇用(yong)(yong)(yong)(yong)(yong)三(san)相異步(bu)電(dian)(dian)(dian)動機技術條件》和(he)JB/T9642-1999《變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)風(feng)扇》等標準(zhun)設計(ji)制造(zao)，主(zhu)要(yao)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)大中型(xing)(xing)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)的散(san)熱冷(leng)卻系(xi)統，也可用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)其它場所作吹排風(feng)使用(yong)(yong)(yong)(yong)(yong)，其噪(zao)聲(sheng)比傳統產(chan)品(pin)平均降低(di)3-10db(A)。DBF-5Q8、DBF-5Q6分為4葉(xie)(xie)(xie)片和(he)3葉(xie)(xie)(xie)片兩種訂貨時說明(ming)，技術參數(shu)如下：葉(xie)(xie)(xie)輪直徑(jing)：500mm.同(tong)步(bu)轉速：1000r/min,風(feng)量：6500m3/h,全(quan)壓(ya)(ya)(ya)(ya)：120/140Pa,電(dian)(dian)(dian)流：1.33A,電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya):380V.頻率(lv)：50Hz,功率(lv)：0.37Kw,噪(zao)聲(sheng)：64/67Db,重量：18kg.DBF系(xi)列(lie)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)風(feng)扇適用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)大型(xing)(xing)電(dian)(dian)(dian)子變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)、電(dian)(dian)(dian)爐(lu)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)的冷(leng)卻系(xi)統。它是依據中華(hua)人(ren)民(min)共(gong)和(he)國機械(xie)行(xing)業(ye)標準(zhun)JB/T9642-1999＜＜變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)風(feng)扇＞＞等標準(zhun)設計(ji)制造(zao)的，該產(chan)品(pin)吸取了國內(nei)外(wai)同(tong)類產(chan)品(pin)的優(you)點，具(ju)(ju)有優(you)良的空氣動力性能和(he)噪(zao)聲(sheng)低(di)、效率(lv)高(gao)(gao)、性能穩定、運行(xing)可靠(kao)、壽(shou)命長(chang)、防(fang)護(hu)分級(ji)高(gao)(gao)、安全(quan)可靠(kao)等特點，是目前(qian)國內(nei)較為*低(di)噪(zao)聲(sheng)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)用(yong)(yong)(yong)(yong)(yong)風(feng)扇。該系(xi)列(lie)產(chan)品(pin)已被沈變(bian)(bian)、保變(bian)(bian)、西變(bian)(bian)、等近20家大中型(xing)(xing)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)廠配套使用(yong)(yong)(yong)(yong)(yong)。DBF系(xi)列(lie)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)風(feng)扇采用(yong)(yong)(yong)(yong)(yong)低(di)噪(zao)聲(sheng)葉(xie)(xie)(xie)型(xing)(xing)，柳接(jie)葉(xie)(xie)(xie)型(xing)(xing)，鉚(liu)接(jie)葉(xie)(xie)(xie)輪，電(dian)(dian)(dian)機為為低(di)噪(zao)聲(sheng)用(yong)(yong)(yong)(yong)(yong)電(dian)(dian)(dian)機，采用(yong)(yong)(yong)(yong)(yong)進(jin)口低(di)噪(zao)聲(sheng)軸承，電(dian)(dian)(dian)動機軸伸端采用(yong)(yong)(yong)(yong)(yong)雙套軸承結構，具(ju)(ju)有良好的防(fang)護(hu)作用(yong)(yong)(yong)(yong)(yong)，電(dian)(dian)(dian)動機外(wai)殼防(fang)護(hu)分級(ji)為IP55，適用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)戶(hu)外(wai)使用(yong)(yong)(yong)(yong)(yong)。