【衛生(sheng)間(jian)電器接地(di)】插座為(wei)什么(me)要接地(di)線 怎樣判斷插座接地(di)線了

插座為什么要接地線：

作用1、地線起保護作用

電(dian)(dian)器(qi)設(she)備的外(wai)(wai)殼通過插頭與(yu)地(di)線(xian)(xian)相連。插座接地(di)線(xian)(xian)一旦漏電(dian)(dian)，電(dian)(dian)器(qi)設(she)備的外(wai)(wai)殼就(jiu)會帶電(dian)(dian)，但由(you)于地(di)線(xian)(xian)的作用(yong)，保證電(dian)(dian)器(qi)外(wai)(wai)殼與(yu)地(di)線(xian)(xian)等電(dian)(dian)位，即對(dui)地(di)電(dian)(dian)壓(ya)等于0，這(zhe)樣就(jiu)保證了電(dian)(dian)器(qi)使用(yong)者的人身安(an)全。

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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)(dian)冰箱的(de)(de)(de)(de)外殼接(jie)(jie)(jie)地，在漏電(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)情況(kuang)下(xia)，保護人(ren)不觸電(dian)(dian)(dian)(dian)(dian)。當用(yong)電(dian)(dian)(dian)(dian)(dian)器(qi)漏電(dian)(dian)(dian)(dian)(dian)時，電(dian)(dian)(dian)(dian)(dian)流直接(jie)(jie)(jie)通(tong)過地線進入大地。防止人(ren)觸摸用(yong)電(dian)(dian)(dian)(dian)(dian)器(qi)是(shi)被電(dian)(dian)(dian)(dian)(dian)擊。地線是(shi)直接(jie)(jie)(jie)與大地相通(tong)的(de)(de)(de)(de)，它與大地之間的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻遠遠小于人(ren)身(shen)電(dian)(dian)(dian)(dian)(dian)阻，所(suo)以地線是(shi)相當重要的(de)(de)(de)(de)。你們家(jia)里的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)腦的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)源(yuan)插座(zuo)有沒有連接(jie)(jie)(jie)著地線？比(bi)較精密的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)氣(qi)設備還可以釋放靜電(dian)(dian)(dian)(dian)(dian)，保護電(dian)(dian)(dian)(dian)(dian)氣(qi)設備及時導走電(dian)(dian)(dian)(dian)(dian)器(qi)上產生的(de)(de)(de)(de)靜電(dian)(dian)(dian)(dian)(dian)或漏電(dian)(dian)(dian)(dian)(dian)。

怎樣判斷插座接地(di)線了(le)：

首先(xian)把屋(wu)里總(zong)電(dian)(dian)源斷掉(diao)，找一根(gen)長線(xian)，一個手電(dian)(dian)燈(deng)泡(pao)(pao)(pao)一節大電(dian)(dian)池(chi)，長線(xian)一頭(tou)插到其(qi)它插座(zuo)(可以是(shi)本屋(wu)也(ye)可以是(shi)其(qi)它屋(wu)的插座(zuo))地(di)線(xian)那眼(yan)里，一頭(tou)接電(dian)(dian)池(chi)再(zai)接燈(deng)泡(pao)(pao)(pao)，燈(deng)泡(pao)(pao)(pao)甩出來的另一頭(tou)插要(yao)測的插座(zuo)地(di)線(xian)那眼(yan)里，利用屋(wu)里地(di)線(xian)做個回路，燈(deng)泡(pao)(pao)(pao)著就(jiu)沒問(wen)題(ti)，把所(suo)(suo)有的插座(zuo)地(di)線(xian)眼(yan)都試試，證明屋(wu)里所(suo)(suo)有地(di)線(xian)都沒問(wen)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(deng)用(yong)電(dian)(dian)器漏電(dian)(dian)造成的觸電(dian)(dian)死亡事(shi)故(gu)，用(yong)電(dian)(dian)器全部未(wei)接地線或地線接地不良。

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