【衛(wei)生間電(dian)器接(jie)地】插(cha)座(zuo)為什么(me)要接(jie)地線 怎樣判斷(duan)插(cha)座(zuo)接(jie)地線了
插座為什么要接地線:
作用1、地線起保護作用
電(dian)器(qi)設備的(de)外殼通過插(cha)頭與(yu)地(di)線(xian)相連。插(cha)座接地(di)線(xian)一旦(dan)漏(lou)電(dian),電(dian)器(qi)設備的(de)外殼就會帶(dai)電(dian),但由(you)于地(di)線(xian)的(de)作用(yong),保證電(dian)器(qi)外殼與(yu)地(di)線(xian)等電(dian)位(wei),即對(dui)地(di)電(dian)壓等于0,這樣就保證了電(dian)器(qi)使用(yong)者的(de)人身安(an)全。
作用2、防漏電
帶有接地線的 孔插座可以將洗衣機,電(dian)(dian)(dian)(dian)冰(bing)箱的(de)(de)(de)外殼接(jie)地(di),在漏電(dian)(dian)(dian)(dian)的(de)(de)(de)情況下,保(bao)護(hu)人(ren)不(bu)觸(chu)電(dian)(dian)(dian)(dian)。當(dang)用(yong)電(dian)(dian)(dian)(dian)器漏電(dian)(dian)(dian)(dian)時(shi),電(dian)(dian)(dian)(dian)流(liu)直接(jie)通過地(di)線進(jin)入大(da)地(di)。防止(zhi)人(ren)觸(chu)摸用(yong)電(dian)(dian)(dian)(dian)器是被電(dian)(dian)(dian)(dian)擊。地(di)線是直接(jie)與大(da)地(di)相(xiang)通的(de)(de)(de),它與大(da)地(di)之間的(de)(de)(de)電(dian)(dian)(dian)(dian)阻遠(yuan)遠(yuan)小于人(ren)身電(dian)(dian)(dian)(dian)阻,所以地(di)線是相(xiang)當(dang)重要的(de)(de)(de)。你們(men)家里的(de)(de)(de)電(dian)(dian)(dian)(dian)腦(nao)的(de)(de)(de)電(dian)(dian)(dian)(dian)源插座有沒有連接(jie)著地(di)線?比較精(jing)密的(de)(de)(de)電(dian)(dian)(dian)(dian)氣(qi)設(she)(she)備(bei)(bei)還(huan)可以釋放靜電(dian)(dian)(dian)(dian),保(bao)護(hu)電(dian)(dian)(dian)(dian)氣(qi)設(she)(she)備(bei)(bei)及時(shi)導(dao)走電(dian)(dian)(dian)(dian)器上產生的(de)(de)(de)靜電(dian)(dian)(dian)(dian)或漏電(dian)(dian)(dian)(dian)。
怎樣判斷(duan)插座接地(di)線了:
首先把(ba)屋(wu)里(li)(li)(li)總電(dian)源(yuan)斷掉,找一根(gen)長線(xian),一個手電(dian)燈(deng)(deng)泡(pao)一節大電(dian)池,長線(xian)一頭插到(dao)其它(ta)插座(可以是(shi)本屋(wu)也(ye)可以是(shi)其它(ta)屋(wu)的插座)地(di)線(xian)那眼里(li)(li)(li),一頭接電(dian)池再接燈(deng)(deng)泡(pao),燈(deng)(deng)泡(pao)甩(shuai)出來的另一頭插要測的插座地(di)線(xian)那眼里(li)(li)(li),利用屋(wu)里(li)(li)(li)地(di)線(xian)做個回路,燈(deng)(deng)泡(pao)著就沒(mei)問題(ti),把(ba)所有的插座地(di)線(xian)眼都試試,證明屋(wu)里(li)(li)(li)所有地(di)線(xian)都沒(mei)問題(ti)!
小編總結:插座里的地線經專線通往大地,插頭上較長的那只腳與用電器的金屬外殼連接。當用電器出現漏電故障時或用電器使用時使外殼帶上正常的感應電時,這些電會通過地線被導入大地,以避免人員觸電,起到保護人身安全的作用。據調查統計,所有的因電熱水器、冰箱等用(yong)電器(qi)漏電造成的觸電死亡事(shi)故,用(yong)電器(qi)全部未接(jie)地線或地線接(jie)地不良。
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