電氣火災監控系統是一種火災預防的手段,特點在于漏電監控方面屬于先期預報警系統,與作用于火災發生后的“火災自動報警系統”減少損失不同,電氣火災監控系統是為了避免損失。
隨著我(wo)國(guo)經(jing)濟建(jian)設(she)的迅速發(fa)展,生(sheng)(sheng)產(chan)和生(sheng)(sheng)活用電(dian)(dian)大(da)(da)幅度增(zeng)加,而且現代化(hua)的建(jian)筑千姿(zi)百態,造(zao)(zao)型各異,室內(nei)外裝修、電(dian)(dian)氣(qi)線(xian)路(lu)(lu)敷設(she)更是(shi)(shi)復雜,所(suo)以(yi)電(dian)(dian)氣(qi)火災(zai)也隨之劇增(zeng),給國(guo)家(jia)經(jing)濟和人民生(sheng)(sheng)命財(cai)產(chan)造(zao)(zao)成(cheng)了巨(ju)大(da)(da)損失,據統(tong)計(ji),我(wo)國(guo)火災(zai)80%為建(jian)筑火災(zai),而電(dian)(dian)氣(qi)則是(shi)(shi)引(yin)發(fa)建(jian)筑火災(zai)的首要因素(su),電(dian)(dian)氣(qi)火災(zai)大(da)(da)部分是(shi)(shi)短路(lu)(lu)、泄漏電(dian)(dian)流(liu)、斷路(lu)(lu)器(qi)或線(xian)路(lu)(lu)超負荷等原因引(yin)起(qi)的,尤其(qi)是(shi)(shi)環境潮濕、絕緣受損、線(xian)路(lu)(lu)對(dui)地電(dian)(dian)容(rong)變大(da)(da)產(chan)生(sheng)(sheng)的剩余電(dian)(dian)流(liu)引(yin)起(qi)的火災(zai)更是(shi)(shi)頻繁發(fa)生(sheng)(sheng),為了有效防止(zhi)電(dian)(dian)氣(qi)或是(shi)(shi)電(dian)(dian)路(lu)(lu)火災(zai)發(fa)生(sheng)(sheng),電(dian)(dian)氣(qi)火災(zai)監控系(xi)統(tong)應運而生(sheng)(sheng)。
一般(ban)電氣(qi)火(huo)災(zai)的探測(ce)對(dui)象(xiang)有(you)(you)剩余(yu)電流和溫升,對(dui)應的有(you)(you)剩余(yu)電流式電氣(qi)火(huo)災(zai)監控(kong)探測(ce)器和測(ce)溫式電氣(qi)火(huo)災(zai)監控(kong)探測(ce)器:
1、剩(sheng)余電(dian)(dian)流式電(dian)(dian)氣火災(zai)監控系統可以長期不間(jian)斷地實(shi)時監測線路(lu)剩(sheng)余電(dian)(dian)流的變化(hua),隨時掌握電(dian)(dian)氣線路(lu)或電(dian)(dian)氣設備絕緣性能(neng)的變化(hua)趨勢;
2、測溫式探測器通(tong)過檢(jian)測其(qi)阻值(zhi)變化實現溫度測量,且當(dang)達(da)到報警設定值(zhi)時進行報警,做(zuo)到防微(wei)杜漸、防患(huan)于未然。
因此電(dian)(dian)氣(qi)(qi)火(huo)災監控(kong)系(xi)統(tong)是作用(yong)于火(huo)災發生前,能夠(gou)預防和(he)消(xiao)除電(dian)(dian)力系(xi)統(tong)的電(dian)(dian)氣(qi)(qi)火(huo)災,避(bi)免由(you)于電(dian)(dian)氣(qi)(qi)火(huo)災造成(cheng)的損失。