一、漏電開關的使用壽命以什么為限制
關于漏電開(kai)關的(de)使用(yong)壽命(ming),有很(hen)多(duo)人(ren)(ren)持不同的(de)看(kan)法。有些人(ren)(ren)認為漏電開(kai)關的(de)使用(yong)壽命(ming)應(ying)該是(shi)以使用(yong)次(ci)數為限制(zhi),也就是(shi)經(jing)過多(duo)少(shao)次(ci)使用(yong)后需(xu)要更換;而有些人(ren)(ren)則認為漏電開(kai)關的(de)使用(yong)壽命(ming)應(ying)該是(shi)以年(nian)限為限制(zhi),也就是(shi)經(jing)過多(duo)少(shao)年(nian)后需(xu)要更換。
實際上,漏(lou)(lou)電(dian)開關(guan)的(de)(de)使(shi)用壽命應該是以時(shi)間(jian)為限制。由(you)于漏(lou)(lou)電(dian)開關(guan)內部的(de)(de)電(dian)氣(qi)元件和機械部件都會隨著時(shi)間(jian)的(de)(de)延長(chang)而發生老化、磨(mo)損等情況,因此漏(lou)(lou)電(dian)開關(guan)需(xu)要(yao)在一(yi)定的(de)(de)時(shi)間(jian)周期內更換,以保障其正常(chang)使(shi)用和保護(hu)作(zuo)用。
二、漏電開關的壽命是多少年
一般來說,漏(lou)電開(kai)關(guan)的(de)(de)使用壽命(ming)應該(gai)在5年左右。當然,具體(ti)的(de)(de)使用壽命(ming)還會(hui)受到(dao)漏(lou)電開(kai)關(guan)的(de)(de)品牌(pai)、質量、環境條件等(deng)多種(zhong)因素的(de)(de)影響,因此在實際使用中(zhong)還需要根據具體(ti)情況進行判斷(duan)。
三、漏電開關如何保養和維護
1、定期清(qing)掃灰(hui)塵,保持漏電開(kai)關(guan)外(wai)殼(ke)及其上部(bu)件、連接端子(zi)的(de)清(qing)潔(jie)、完(wan)好和牢固連接;漏電開(kai)關(guan)外(wai)殼(ke)膠木件的(de)溫度不(bu)得超過65攝(she)氏度,外(wai)殼(ke)金屬件溫度不(bu)得超過55攝(she)氏度。同(tong)時(shi),還要保持漏電開(kai)關(guan)操作(zuo)手柄動作(zuo)靈活(huo)、可靠。
2、漏電(dian)開(kai)關安(an)裝(zhuang)場(chang)所應通風、干(gan)(gan)燥,有(you)預防雨淋(lin)、灰塵(chen)和(he)(he)有(you)害氣(qi)體侵蝕(shi)的(de)措施。應盡量遠離其他(ta)鐵磁體和(he)(he)電(dian)流(liu)很大的(de)載流(liu)導體,避免磁場(chang)干(gan)(gan)擾。漏電(dian)開(kai)關安(an)裝(zhuang)場(chang)所的(de)環境溫度應在-5~40攝氏度之(zhi)間(jian)。
3、至(zhi)少(shao)應每月檢(jian)驗(yan)一(yi)(yi)次家用漏(lou)電開(kai)關動作的可靠性。具體方法是(shi):按一(yi)(yi)下(xia)試驗(yan)按鈕,如(ru)漏(lou)電開(kai)關正確(que)斷(duan)開(kai),說明正常;反之,則(ze)說明漏(lou)電開(kai)關存(cun)在故(gu)障,應請有(you)經驗(yan)、有(you)資質的電工(gong)進行檢(jian)查更換。高溫(wen)多雨的夏秋季節和農忙季節應增加試驗(yan)次數。
4、漏電(dian)(dian)(dian)(dian)(dian)開關(guan)使(shi)用一(yi)年后,應請專(zhuan)業電(dian)(dian)(dian)(dian)(dian)工對其(qi)進行檢修,檢修內容有:測(ce)試保(bao)護(hu)(hu)器漏電(dian)(dian)(dian)(dian)(dian)動作(zuo)值是(shi)否符合(he)規定;檢查(cha)絕緣電(dian)(dian)(dian)(dian)(dian)阻(zu),漏電(dian)(dian)(dian)(dian)(dian)開關(guan)一(yi)次電(dian)(dian)(dian)(dian)(dian)路各部絕緣電(dian)(dian)(dian)(dian)(dian)阻(zu)應在1.5兆(zhao)歐(ou)以(yi)上;測(ce)量家庭室(shi)內線(xian)路漏電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流,消除各種漏電(dian)(dian)(dian)(dian)(dian)隱患;檢查(cha)漏電(dian)(dian)(dian)(dian)(dian)開關(guan)接(jie)線(xian)及保(bao)護(hu)(hu)接(jie)地(di)裝置是(shi)否松動和(he)接(jie)觸(chu)不良等。檢修完畢后,應在現場進行一(yi)次實際模擬(ni)試驗。方(fang)法(fa)是(shi),用一(yi)支(zhi)6千歐(ou)10瓦線(xian)繞電(dian)(dian)(dian)(dian)(dian)阻(zu),兩(liang)端各接(jie)一(yi)絕緣電(dian)(dian)(dian)(dian)(dian)線(xian),一(yi)頭(tou)插(cha)入插(cha)座的相線(xian)孔,另一(yi)頭(tou)與大地(di)連接(jie),接(jie)地(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)與變壓器中性點接(jie)地(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)相同。這時有一(yi)約40毫安的漏電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流,如果漏電(dian)(dian)(dian)(dian)(dian)開關(guan)立(li)即跳(tiao)閘,則可以(yi)放心使(shi)用。
5、漏電(dian)(dian)開關動(dong)(dong)作(zuo)后不(bu)強行送(song)電(dian)(dian)。保護器動(dong)(dong)作(zuo)后,若經(jing)檢(jian)查(cha)(cha)未(wei)發現事故(gu)點(dian),允許試送(song)電(dian)(dian)一(yi)次,如(ru)果再次動(dong)(dong)作(zuo),應(ying)查(cha)(cha)明原因,并采取(qu)相應(ying)措(cuo)施處理后方(fang)能恢復通電(dian)(dian)。尤(you)其是漏電(dian)(dian)開關在檢(jian)測到漏電(dian)(dian)、短路現象后跳閘時(shi),一(yi)定(ding)要查(cha)(cha)清和消(xiao)除(chu)存(cun)在的電(dian)(dian)氣隱患,千(qian)萬不(bu)要隨意讓(rang)其退出(chu)運行,否(fou)則就(jiu)會引發惡(e)性事故(gu)。