【機箱靜電怎么消除】電腦機箱有靜電怎么辦 機箱靜電處理方法詳解
我們在實際工(gong)作中,經常會遇到(dao)因為(wei)電(dian)(dian)(dian)腦主(zhu)機(ji)(ji)機(ji)(ji)殼帶電(dian)(dian)(dian),打印機(ji)(ji)“漏電(dian)(dian)(dian)”,音箱“電(dian)(dian)(dian)人(ren)”等問(wen)題,其實,很多時候機(ji)(ji)器質量沒有(you)(you)任(ren)何問(wen)題,出現(xian)機(ji)(ji)器“電(dian)(dian)(dian)人(ren)”的根(gen)(gen)本原因是(shi)因為(wei)用(yong)戶家(jia)里沒有(you)(you)安裝地線,沒有(you)(you)根(gen)(gen)據電(dian)(dian)(dian)腦的使用(yong)要求提(ti)供規(gui)定供電(dian)(dian)(dian)電(dian)(dian)(dian)源。
計算機電人的根本原因
1).在計算(suan)機(ji)的使(shi)用手(shou)冊(ce)里(li)都有(you)詳細(xi)說明,“為(wei)了(le)保證您的計算(suan)機(ji)的正常使(shi)用,請保證計算(suan)機(ji)良(liang)好接地(di)。”計算(suan)機(ji)外殼帶電的根本原因就是(shi)因為(wei)家(jia)里(li)沒有(you)安裝地(di)線或接地(di)不良(liang)。
2).因為目前市面上銷售的(de)(de)計算(suan)機(ji)都(dou)是經過(guo)CCC認證的(de)(de),經過(guo)CCC認證的(de)(de)電(dian)源必須采(cai)用EMI濾波(bo)電(dian)路,由于該(gai)濾波(bo)電(dian)路有(you)電(dian)容(rong)與(yu)火(huo)線和地線相(xiang)通(tong),如(ru)果家里沒有(you)安裝地線,在機(ji)殼(ke)表面或多或少(shao)的(de)(de)就會(hui)(hui)出現(xian)“帶(dai)電(dian)”現(xian)象(xiang),這屬于正常(chang)現(xian)象(xiang)。即(ji)使我們使用試電(dian)筆(bi)測試機(ji)殼(ke)表面“通(tong)紅”,但這種靜電(dian)不會(hui)(hui)對人體造(zao)成傷害(hai),只是我們偶爾接觸機(ji)殼(ke)會(hui)(hui)有(you)輕微的(de)(de)“電(dian)擊”感(gan)覺。
為什么其他電腦或電器沒有漏電現象?
有時候一些用戶還有這樣的問題:為什(shen)么同(tong)一座(zuo)樓里的其他電(dian)(dian)(dian)腦就(jiu)沒有漏電(dian)(dian)(dian)現象?為什(shen)么家里使(shi)用的電(dian)(dian)(dian)暖(nuan)(nuan)器平時不帶電(dian)(dian)(dian),使(shi)用電(dian)(dian)(dian)腦后電(dian)(dian)(dian)暖(nuan)(nuan)器也帶電(dian)(dian)(dian)了?
有(you)一(yi)點可以(yi)肯(ken)定,只(zhi)要是經過CCC認證的電源,都采用EMI濾波電路,所(suo)以(yi)在(zai)沒有(you)安裝地線的情況下(xia),其(qi)金屬外殼(ke)肯(ken)定會“帶電”,所(suo)以(yi)我們可以(yi)使用兩臺(tai)(tai)或(huo)三臺(tai)(tai)主機(ji)在(zai)同(tong)一(yi)環境下(xia)做(zuo)對比試驗。三臺(tai)(tai)同(tong)樣(yang)型號的機(ji)器(qi)都“帶電”,就(jiu)足以(yi)證明機(ji)器(qi)是沒有(you)質量(liang)問題的。
在(zai)上面的(de)(de)計算機(ji)(ji)設備的(de)(de)地線(xian)連(lian)接圖(tu)我(wo)們可以看出,只要是家(jia)里需(xu)要安(an)裝地線(xian)的(de)(de)家(jia)用(yong)(yong)電(dian)(dian)器(qi),如果(guo)用(yong)(yong)戶家(jia)里的(de)(de)進戶線(xian)處沒(mei)有安(an)全接地,這(zhe)些家(jia)用(yong)(yong)電(dian)(dian)器(qi)就會通過家(jia)里安(an)裝的(de)(de)地線(xian)或者(zhe)通過多用(yong)(yong)電(dian)(dian)源(yuan)插座,把(ba)冰箱(xiang),洗衣機(ji)(ji),微波爐(lu),電(dian)(dian)風扇,空(kong)調,計算機(ji)(ji),打(da)印機(ji)(ji),顯(xian)示器(qi)等的(de)(de)外殼連(lian)接在(zai)一(yi)起,構成一(yi)個(ge)共同(tong)體。只要這(zhe)些設備中的(de)(de)任(ren)何一(yi)個(ge)“漏電(dian)(dian)”,就會出現上述所有家(jia)用(yong)(yong)電(dian)(dian)器(qi)的(de)(de)表面都帶電(dian)(dian)。
有時,我們即(ji)使(shi)把電(dian)(dian)(dian)腦關(guan)(guan)機(ji)(ji),這時主機(ji)(ji)機(ji)(ji)殼(ke)還會帶“電(dian)(dian)(dian)”,這還是因(yin)(yin)為(wei)EMI濾波電(dian)(dian)(dian)路的原因(yin)(yin),在沒(mei)有安裝地線(xian)(xian)的情況下(xia),火線(xian)(xian)通過濾波電(dian)(dian)(dian)容使(shi)主機(ji)(ji)的金屬機(ji)(ji)殼(ke)帶電(dian)(dian)(dian)。現在我們使(shi)用的計算機(ji)(ji)的開關(guan)(guan)都是軟(ruan)關(guan)(guan)機(ji)(ji),主機(ji)(ji)關(guan)(guan)閉(bi)后,因(yin)(yin)為(wei)要保證副電(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)路的正常工作(zuo),主機(ji)(ji)并沒(mei)有切斷電(dian)(dian)(dian)源(yuan)。在這種情況下(xia),我們必須將(jiang)電(dian)(dian)(dian)源(yuan)插(cha)(cha)頭拔下(xia)或關(guan)(guan)閉(bi)電(dian)(dian)(dian)源(yuan)排插(cha)(cha)的開關(guan)(guan)。
還有(you)一種(zhong)情況(kuang),我們(men)有(you)時(shi)(shi)把電(dian)(dian)(dian)源排(pai)插(cha)的(de)開(kai)關(guan)(guan)關(guan)(guan)了,計算機(ji)(ji)的(de)主機(ji)(ji)機(ji)(ji)殼還會帶電(dian)(dian)(dian)。這(zhe)是因為目前市面上銷售(shou)的(de)電(dian)(dian)(dian)源排(pai)插(cha)的(de)制作不規范,其電(dian)(dian)(dian)源開(kai)關(guan)(guan)控制的(de)不是市的(de)火(huo)線(xian)。當我們(men)關(guan)(guan)閉其開(kai)關(guan)(guan)后(hou),只是切斷(duan)了零(ling)線(xian),使(shi)用(yong)供電(dian)(dian)(dian)回路(lu)(lu)中斷(duan),但(dan)火(huo)線(xian)仍(reng)(reng)然通過EMI電(dian)(dian)(dian)路(lu)(lu)中的(de)濾波電(dian)(dian)(dian)容使(shi)用(yong)機(ji)(ji)殼帶電(dian)(dian)(dian)。還有(you)就(jiu)是用(yong)戶(hu)家(jia)里的(de)布電(dian)(dian)(dian)接(jie)法錯(cuo)誤,火(huo)線(xian)和零(ling)線(xian)錯(cuo)位造(zao)成的(de)。這(zhe)種(zhong)接(jie)法很(hen)危(wei)險,因為這(zhe)時(shi)(shi)所有(you)的(de)家(jia)用(yong)電(dian)(dian)(dian)器開(kai)關(guan)(guan)控制的(de)都變成了控制零(ling)線(xian),即使(shi)用(yong)燈泡不亮了,洗衣機(ji)(ji)不轉了,但(dan)其內部電(dian)(dian)(dian)路(lu)(lu)仍(reng)(reng)然帶電(dian)(dian)(dian),我們(men)在(zai)換燈泡時(shi)(shi)就(jiu)成了“帶電(dian)(dian)(dian)檢修(xiu)”。
電腦機箱有靜電怎么辦
由于帶(dai)電(dian)(dian)(dian)的根本原因是沒(mei)有安裝(zhuang)地線的最(zui)(zui)簡單(dan)方法(fa)(fa)(fa),所以最(zui)(zui)簡單(dan)的辦法(fa)(fa)(fa)就(jiu)(jiu)是直接(jie)(jie)(jie)從(cong)機殼(ke)(ke)上(shang)接(jie)(jie)(jie)一(yi)條電(dian)(dian)(dian)線,把電(dian)(dian)(dian)線的另(ling)一(yi)端接(jie)(jie)(jie)在金屬自帶(dai)水(shui)管(guan)上(shang)。在連接(jie)(jie)(jie)時(shi)需要(yao)(yao)把自來水(shui)管(guan)上(shang)的防(fang)(fang)銹層刮(gua)去(qu),還要(yao)(yao)多繞幾圈擰緊。只要(yao)(yao)我們(men)把地線接(jie)(jie)(jie)好了,再用(yong)(yong)試(shi)電(dian)(dian)(dian)筆測試(shi)時(shi)主機的機殼(ke)(ke)就(jiu)(jiu)不會變(bian)紅了。但(dan)要(yao)(yao)告訴客戶,這種接(jie)(jie)(jie)法(fa)(fa)(fa)是臨(lin)時(shi)應急(ji)使用(yong)(yong),家(jia)里一(yi)定要(yao)(yao)請專(zhuan)業電(dian)(dian)(dian)工(gong)正(zheng)確安裝(zhuang)地線,防(fang)(fang)止(zhi)因為其他(ta)家(jia)用(yong)(yong)電(dian)(dian)(dian)器(qi)“正(zheng)式漏電(dian)(dian)(dian)”時(shi)造(zao)成自來水(shui)管(guan)帶(dai)電(dian)(dian)(dian),而出現傷害事故。
機箱靜電注意事項
為了(le)電(dian)腦(nao)設備的(de)(de)(de)(de)安全,對(dui)于學(xue)校(xiao)或其他(ta)有條(tiao)件的(de)(de)(de)(de)單位,集體(ti)使(shi)用(yong)(yong)電(dian)腦(nao)時,在電(dian)腦(nao)教室里一(yi)定(ding)要(yao)鋪設防靜電(dian)地(di)(di)板,絕對(dui)不(bu)能使(shi)用(yong)(yong)普通的(de)(de)(de)(de)化(hua)纖地(di)(di)毯。電(dian)腦(nao)設備使(shi)用(yong)(yong)的(de)(de)(de)(de)電(dian)源,其中的(de)(de)(de)(de)地(di)(di)線(xian)一(yi)定(ding)接地(di)(di)良好。建(jian)議使(shi)用(yong)(yong)三孔的(de)(de)(de)(de)電(dian)源插(cha)座,當然,電(dian)源線(xian)也必須是三針的(de)(de)(de)(de)。有些朋友使(shi)用(yong)(yong)一(yi)根(gen)導(dao)線(xian)連接機箱(xiang)外表(biao)和大地(di)(di)或者自來(lai)水管,這種方法并不(bu)能達(da)到良好的(de)(de)(de)(de)效果。
機箱靜電導致電腦無法開機的現象、原理及解決方法
現象:突然間停電(dian)(dian),又來電(dian)(dian)之后開(kai)機,但計(ji)算(suan)機主(zhu)機無(wu)反(fan)應,顯示(shi)屏無(wu)顯示(shi),系統不啟(qi)動。或過(guo)幾天又能開(kai)機使(shi)用了。以(yi)上的(de)現象說(shuo)明極有(you)可能是(shi)機箱靜電(dian)(dian)積累過(guo)多導致無(wu)法開(kai)機。
原理:在電(dian)(dian)腦的電(dian)(dian)源(yuan)的設(she)計里,有(you)一(yi)個EMI電(dian)(dian)路, 是過(guo)濾(lv)我們(men)民(min)用電(dian)(dian)中的雜(za)(za)波的,過(guo)濾(lv)后的雜(za)(za)波需要有(you)接(jie)地(di)線導(dao)入大地(di),如果沒(mei)有(you)接(jie)地(di)線,就(jiu)會(hui)在機箱(xiang)的外殼上(shang)積累,時(shi)間(jian)長了,然后就(jiu)會(hui)靜電(dian)(dian)保護,不能正常開機
解決辦法:
1、釋(shi)放靜(jing)電(dian)的方法,就是把主機(ji)(ji)箱(xiang)上外部所有接線全部拔掉(diao)(筆(bi)記(ji)本,則需要取(qu)下電(dian)池),然(ran)后空按主機(ji)(ji)開(kai)關(guan)5次左右,就會(hui)把里面的靜(jing)電(dian)消耗,再開(kai)機(ji)(ji)就正常(chang)了。
2、為主機接入真(zhen)正(zheng)的(de)(de)地(di)(di)線。用正(zheng)規帶接地(di)(di)的(de)(de)插板(ban),前提是(shi)保證室內的(de)(de)墻電有真(zhen)正(zheng)的(de)(de)地(di)(di)線。
3、在(zai)電(dian)(dian)(dian)腦機箱上接一(yi)根有絕緣皮的(de)(de)(de)地線到(dao)暖(nuan)(nuan)氣管(guan)或金屬(shu)水管(guan)上面就可(ke)以了,一(yi)般(ban)現(xian)在(zai)的(de)(de)(de)暖(nuan)(nuan)氣管(guan)都有接等電(dian)(dian)(dian)位(wei),即便是沒有接等電(dian)(dian)(dian)位(wei)也(ye)可(ke)以有效的(de)(de)(de)去(qu)除靜電(dian)(dian)(dian)的(de)(de)(de)。