許多客(ke)戶在(zai)運用真空泵時，老是發覺電(dian)動(dong)機俄(e)然損(sun)壞(huai)(huai)(huai)，線圈燒壞(huai)(huai)(huai)，這(zhe)時就(jiu)會(hui)影響(xiang)出產，他們感到(dao)很頭疼，在(zai)此咱(zan)們向我們扼要介紹一(yi)下電(dian)動(dong)機的簡略原理(li)和線圈損(sun)壞(huai)(huai)(huai)的因(yin)素，并供給一(yi)些(xie)有用的辦法來(lai)防范(fan)電(dian)動(dong)機俄(e)然損(sun)壞(huai)(huai)(huai)，避免這(zhe)些(xie)損(sun)壞(huai)(huai)(huai)而(er)形成影響(xiang)出產。

1)工廠(chang)電(dian)(dian)(dian)源(yuan)及(ji)(ji)真空泵(beng)電(dian)(dian)(dian)機(ji)(ji)扼要(yao)介紹　　三(san)(san)相(xiang)(xiang)溝通(tong)(tong)(tong)電(dian)(dian)(dian)源(yuan)的(de)(de)(de)(de)電(dian)(dian)(dian)壓(ya)在(zai)(zai)(zai)中國額外(wai)值通(tong)(tong)(tong)常(chang)都(dou)是380V，在(zai)(zai)(zai)輸配(pei)電(dian)(dian)(dian)時(shi)，為避免線(xian)(xian)(xian)路丟失，通(tong)(tong)(tong)常(chang)到(dao)工廠(chang)的(de)(de)(de)(de)變(bian)壓(ya)器(qi)出來(lai)的(de)(de)(de)(de)電(dian)(dian)(dian)壓(ya)通(tong)(tong)(tong)常(chang)都(dou)在(zai)(zai)(zai)400V，這是正常(chang)的(de)(de)(de)(de)。　　通(tong)(tong)(tong)常(chang)工廠(chang)的(de)(de)(de)(de)供電(dian)(dian)(dian)線(xian)(xian)(xian)路是三(san)(san)相(xiang)(xiang)四線(xian)(xian)(xian)制，它能夠兼容出產動力的(de)(de)(de)(de)三(san)(san)相(xiang)(xiang)用電(dian)(dian)(dian)和(he)照(zhao)明(ming)用電(dian)(dian)(dian)的(de)(de)(de)(de)單(dan)相(xiang)(xiang)用電(dian)(dian)(dian)。　　例如：三(san)(san)相(xiang)(xiang)電(dian)(dian)(dian)動機(ji)(ji)可(ke)接(jie)三(san)(san)根相(xiang)(xiang)線(xian)(xian)(xian)，照(zhao)明(ming)和(he)家電(dian)(dian)(dian)等單(dan)相(xiang)(xiang)負載可(ke)接(jie)任一根相(xiang)(xiang)線(xian)(xian)(xian)和(he)零線(xian)(xian)(xian)取得單(dan)相(xiang)(xiang)電(dian)(dian)(dian)源(yuan)。關于電(dian)(dian)(dian)焊機(ji)(ji)之類的(de)(de)(de)(de)專用設備(bei)，還能夠從(cong)二(er)根相(xiang)(xiang)線(xian)(xian)(xian)中得到(dao)二(er)相(xiang)(xiang)電(dian)(dian)(dian)源(yuan)。　　在(zai)(zai)(zai)中國三(san)(san)相(xiang)(xiang)溝通(tong)(tong)(tong)電(dian)(dian)(dian)的(de)(de)(de)(de)頻率(lv)是50HZ，它表(biao)明(ming)每(mei)秒電(dian)(dian)(dian)壓(ya)的(de)(de)(de)(de)巨(ju)細要(yao)依(yi)照(zhao)正弦(xian)規則變(bian)化50次(ci)。三(san)(san)相(xiang)(xiang)異步(bu)電(dian)(dian)(dian)動機(ji)(ji)的(de)(de)(de)(de)轉(zhuan)向和(he)相(xiang)(xiang)序直接(jie)有關。真空泵(beng)的(de)(de)(de)(de)轉(zhuan)向是斷定(ding)的(de)(de)(de)(de)，不(bu)(bu)能反(fan)轉(zhuan)，所(suo)(suo)以(yi)相(xiang)(xiang)序必定(ding)要(yao)精確，反(fan)轉(zhuan)會損(sun)壞真空泵(beng)。　　V系列真空泵(beng)所(suo)(suo)配(pei)用的(de)(de)(de)(de)電(dian)(dian)(dian)機(ji)(ji)都(dou)是溝通(tong)(tong)(tong)電(dian)(dian)(dian)動機(ji)(ji)，主要(yao)有三(san)(san)相(xiang)(xiang)異步(bu)電(dian)(dian)(dian)動機(ji)(ji)和(he)單(dan)相(xiang)(xiang)異步(bu)電(dian)(dian)(dian)動機(ji)(ji)。4KW以(yi)下的(de)(de)(de)(de)電(dian)(dian)(dian)動機(ji)(ji)通(tong)(tong)(tong)常(chang)選用星型銜接(jie)(220/380V)，4KW以(yi)上的(de)(de)(de)(de)通(tong)(tong)(tong)常(chang)選用三(san)(san)角型銜接(jie)(380/660V)。但(dan)這不(bu)(bu)必定(ding)肯定(ding)的(de)(de)(de)(de)，接(jie)線(xian)(xian)(xian)必須依(yi)據電(dian)(dian)(dian)機(ji)(ji)銘牌標(biao)識進行。　　電(dian)(dian)(dian)機(ji)(ji)運(yun)行時(shi)，因為線(xian)(xian)(xian)圈及(ji)(ji)鐵心所(suo)(suo)發(fa)作(zuo)的(de)(de)(de)(de)銅損(sun)和(he)鐵損(sun)及(ji)(ji)機(ji)(ji)械沖突所(suo)(suo)發(fa)作(zuo)的(de)(de)(de)(de)熱量，電(dian)(dian)(dian)機(ji)(ji)必定(ding)會發(fa)熱，當熱量不(bu)(bu)能及(ji)(ji)時(shi)散去，線(xian)(xian)(xian)圈的(de)(de)(de)(de)溫度(du)超(chao)越線(xian)(xian)(xian)圈絕緣(yuan)(yuan)材料所(suo)(suo)能承受的(de)(de)(de)(de)高溫度(du)時(shi)，絕緣(yuan)(yuan)材料就(jiu)會老化、變(bian)脆、后絕緣(yuan)(yuan)被擊穿直至燒毀線(xian)(xian)(xian)圈。

　2)形(xing)成真空泵電動機燒(shao)壞的(de)因素

　　a.長(chang)期(qi)在(zai)(zai)(zai)過(guo)(guo)(guo)(guo)載(zai)(zai)狀態下作(zuo)(zuo)業(ye)，　　當運用了(le)過(guo)(guo)(guo)(guo)錯的(de)(de)真空(kong)(kong)(kong)(kong)泵(beng)專用油(you)，當真空(kong)(kong)(kong)(kong)泵(beng)缺(que)少(shao)養護(hu)(hu)，泵(beng)內真空(kong)(kong)(kong)(kong)泵(beng)油(you)蛻變。泵(beng)的(de)(de)排氣壓力過(guo)(guo)(guo)(guo)高(gao)時，都(dou)(dou)致(zhi)使電(dian)(dian)(dian)(dian)(dian)機(ji)過(guo)(guo)(guo)(guo)載(zai)(zai)，如(ru)沒有(you)(you)必(bi)定的(de)(de)過(guo)(guo)(guo)(guo)載(zai)(zai)維(wei)(wei)護(hu)(hu)，長(chang)期(qi)下來，就會損(sun)壞(huai)(huai)電(dian)(dian)(dian)(dian)(dian)機(ji)。　　b.在(zai)(zai)(zai)較高(gao)的(de)(de)環境溫(wen)度和通風不(bu)(bu)良或海(hai)拔高(gao)于(yu)1000米的(de)(de)狀況(kuang)下作(zuo)(zuo)業(ye)　　因(yin)(yin)為散熱欠安，致(zhi)使電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)溫(wen)升(sheng)過(guo)(guo)(guo)(guo)高(gao)，會損(sun)壞(huai)(huai)電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)的(de)(de)線(xian)(xian)圈及耗費(fei)軸承內的(de)(de)油(you)脂，致(zhi)使軸承損(sun)壞(huai)(huai)。　　c.電(dian)(dian)(dian)(dian)(dian)壓不(bu)(bu)對　　某(mou)些泵(beng)可能是進(jin)口的(de)(de)，國外產(chan)的(de)(de)，電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)的(de)(de)額外電(dian)(dian)(dian)(dian)(dian)壓和咱(zan)們(men)工廠的(de)(de)電(dian)(dian)(dian)(dian)(dian)壓不(bu)(bu)同(tong)，過(guo)(guo)(guo)(guo)高(gao)的(de)(de)電(dian)(dian)(dian)(dian)(dian)壓和過(guo)(guo)(guo)(guo)低(di)的(de)(de)電(dian)(dian)(dian)(dian)(dian)壓都(dou)(dou)會損(sun)壞(huai)(huai)電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)。　　d.接(jie)(jie)線(xian)(xian)過(guo)(guo)(guo)(guo)錯　　應(ying)當接(jie)(jie)星(xing)型的(de)(de)，接(jie)(jie)了(le)三角型，會致(zhi)使線(xian)(xian)圈電(dian)(dian)(dian)(dian)(dian)壓增(zeng)(zeng)大(da)1.7倍，電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)的(de)(de)繞組會嚴峻發(fa)熱電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)很(hen)快燒(shao)壞(huai)(huai)，所以電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)決不(bu)(bu)允許在(zai)(zai)(zai)一樣電(dian)(dian)(dian)(dian)(dian)壓下將(jiang)本來星(xing)型接(jie)(jie)法(fa)改為三角型。　　當把(ba)應(ying)當接(jie)(jie)成(cheng)三角型的(de)(de)，接(jie)(jie)成(cheng)星(xing)型時，電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)線(xian)(xian)圈的(de)(de)電(dian)(dian)(dian)(dian)(dian)壓削減為1/1.7，電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)的(de)(de)力矩(ju)削減到(dao)額外值的(de)(de)1/3，在(zai)(zai)(zai)滿載(zai)(zai)運行時，轉速會急劇下降，電(dian)(dian)(dian)(dian)(dian)流增(zeng)(zeng)大(da)，如(ru)不(bu)(bu)停機(ji)則(ze)將(jiang)使電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)過(guo)(guo)(guo)(guo)熱而(er)燒(shao)壞(huai)(huai)。　　某(mou)些側流真空(kong)(kong)(kong)(kong)泵(beng)因(yin)(yin)為接(jie)(jie)線(xian)(xian)過(guo)(guo)(guo)(guo)錯，把(ba)應(ying)當接(jie)(jie)成(cheng)三角型的(de)(de)接(jie)(jie)成(cheng)了(le)星(xing)型，在(zai)(zai)(zai)試機(ji)時，負載(zai)(zai)很(hen)小，泵(beng)能夠正常作(zuo)(zuo)業(ye)，可是作(zuo)(zuo)業(ye)必(bi)定時刻后因(yin)(yin)為泵(beng)過(guo)(guo)(guo)(guo)濾器(qi)(qi)阻塞等(deng)因(yin)(yin)素形成(cheng)泵(beng)的(de)(de)負載(zai)(zai)增(zeng)(zeng)大(da)，就會致(zhi)使電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)損(sun)壞(huai)(huai)。　　e.沒有(you)(you)運用準確的(de)(de)電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)維(wei)(wei)護(hu)(hu)設(she)備(bei)及高(gao)質量(liang)的(de)(de)電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)操控(kong)元(yuan)件。　　因(yin)(yin)為有(you)(you)些用戶(hu)在(zai)(zai)(zai)運用真空(kong)(kong)(kong)(kong)泵(beng)時，僅(jin)僅(jin)簡略的(de)(de)進(jin)行接(jie)(jie)線(xian)(xian)直接(jie)(jie)讓(rang)真空(kong)(kong)(kong)(kong)泵(beng)作(zuo)(zuo)業(ye)，而(er)沒有(you)(you)設(she)備(bei)適宜的(de)(de)過(guo)(guo)(guo)(guo)載(zai)(zai)維(wei)(wei)護(hu)(hu)，缺(que)相(xiang)維(wei)(wei)護(hu)(hu)等(deng)設(she)備(bei)，致(zhi)使因(yin)(yin)為各種意外狀況(kuang)發(fa)作(zuo)(zuo)而(er)燒(shao)壞(huai)(huai)電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)。還有(you)(you)部分客戶(hu)的(de)(de)工況(kuang)下需(xu)求頻頻發(fa)動(dong)封閉真空(kong)(kong)(kong)(kong)泵(beng)，乃(nai)至1分鐘(zhong)數(shu)次啟閉， 一旦接(jie)(jie)觸(chu)器(qi)(qi)觸(chu)點不(bu)(bu)良， 就會發(fa)作(zuo)(zuo)缺(que)相(xiang)損(sun)害。--建議選用泵(beng)常開-用閥(fa)門來操控(kong)真空(kong)(kong)(kong)(kong)管(guan)路(lu)的(de)(de)通斷。

　　3)防范(fan)真空泵電動(dong)機燒壞(huai)的(de)辦法

a.必(bi)須(xu)由專業的電(dian)(dian)工進行(xing)(xing)一(yi)切有關(guan)電(dian)(dian)器方面的作業　　b.核對電(dian)(dian)動(dong)(dong)機的額外電(dian)(dian)壓(ya)，頻率(lv)等。細心核對銘牌(pai)進行(xing)(xing)接(jie)線，如不能確認時(shi)，先接(jie)成星型(xing)，在沒(mei)有負(fu)載(zai)下(xia)發動(dong)(dong)，在逐步加大負(fu)載(zai)進行(xing)(xing)檢查電(dian)(dian)流等　　d.真(zhen)空泵(beng)(beng)的環(huan)境溫度好低于(yu)40度，堅持通(tong)風良好。　　e.應(ying)依照真(zhen)空泵(beng)(beng)運用(yong)說明書，及時(shi)準確進行(xing)(xing)養(yang)護維護