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地址:廣(guang)東省廣(guang)州(zhou)市(shi)番禺(yu)區南村鎮(zhen)萬惠二路(lu)63號敏捷廣(guang)場A塔1705~1707號
發布時間:2023-02-18閱讀量:22
處理方法:
1.修理或更換;
2.重新(xin)檢修,長時間不(bu)需要定期(qi)盤(pan)車,防(fang)止軸(zhou)彎(wan)曲;
3.清除附著物;
4.修復(fu)葉輪(lun),重新進(jin)行(xing)動靜平衡試(shi)驗(yan);
5.找平衡;
離心風機是一種直流調速電(dian)機(ji),其(qi)速度是通過可調電(dian)阻改變可控(kong)硅(gui)的(de)導電(dian)角度,然后通過可控(kong)硅(gui)控(kong)制(zhi)整流到達電(dian)機(ji)兩端的(de)電(dian)壓,以(yi)達到控(kong)制(zhi)速度的(de)目的(de),電(dian)機(ji)轉速不(bu)穩定,原(yuan)則上可能有以(yi)下四種情況。
(1)四個(ge)整(zheng)流二管中(zhong)的(de)一(yi)個(ge)只有問題
(2)電(dian)(dian)(dian)(dian)(dian)機轉(zhuan)子和(he)整(zheng)流(liu)子之間有(you)碳(tan)粉或碳(tan)刷(shua)本身不好。本著先易(yi)后(hou)(hou)難的(de)維修(xiu)原則,首先測量可調電(dian)(dian)(dian)(dian)(dian)阻,電(dian)(dian)(dian)(dian)(dian)阻值隨調節而(er)定期變化(hua),證明電(dian)(dian)(dian)(dian)(dian)位器好,然后(hou)(hou)測量可控硅也沒(mei)有(you)發現問(wen)題。因為二管是大電(dian)(dian)(dian)(dian)(dian)流(liu)金(jin)封管,一端的(de)螺絲緊固在電(dian)(dian)(dian)(dian)(dian)路板上,另(ling)一端用線(xian)焊 接在電(dian)(dian)(dian)(dian)(dian)路板上。從電(dian)(dian)(dian)(dian)(dian)路板上拆(chai)下時,發現正負松動。
(3)可控硅也有很多(duo)問題,通常(chang)是短(duan)路、開路、無(wu)法(fa)觸(chu)發或內部接觸(chu)不 良(liang)。
(4)可調電阻,柜式離心風機因可(ke)調(diao)電阻安裝(zhuang)在控(kong)制(zhi)面(mian)板上,使用頻率很高,時間(jian)長,接觸不 良很常見。