怎樣正確調試油汀電暖器
1、油汀電(dian)暖器的調(diao)試方法(fa)是什么(me)呢?初(chu)次使用油汀電(dian)暖器時,應(ying)當將它的溫控器調(diao)節(jie)到中間位置,以免出現問(wen)題。當油汀電(dian)暖器加熱一段時間后,就會自動斷(duan)開加熱功能。
2、在油汀(ting)電(dian)暖器正常工作的(de)過程中,溫(wen)控器不要長(chang)時間的(de)調定(ding)到最高(gao)(gao)檔(dang)位(wei)置。如果油汀(ting)電(dian)暖器長(chang)時間處在高(gao)(gao)溫(wen)的(de)狀態下,容易將內(nei)部(bu)的(de)器件(jian)燒損(sun)。
3、油(you)(you)汀(ting)(ting)(ting)電暖器(qi)(qi)如何調試(shi)呢?油(you)(you)汀(ting)(ting)(ting)電暖器(qi)(qi)的調檔(dang)開關可根據(ju)室內溫度進行(xing)調節,使用油(you)(you)汀(ting)(ting)(ting)電暖器(qi)(qi)時,還要(yao)注意室內的密封性。因為油(you)(you)汀(ting)(ting)(ting)電暖器(qi)(qi)是通(tong)過空氣對流的形(xing)式(shi)進行(xing)采暖的,室內溫度的高(gao)低會影響到(dao)溫控器(qi)(qi)對電源的通(tong)斷。
充油式電暖器常見故障如何排除
一、不發熱
1、如果是電(dian)(dian)源指示(shi)燈不亮,散熱片不熱。首(shou)先檢(jian)查電(dian)(dian)源插(cha)座電(dian)(dian)壓是否(fou)(fou)正常,電(dian)(dian)熱油汀電(dian)(dian)源插(cha)頭內是否(fou)(fou)為(wei)斷線或接(jie)(jie)觸不良。然后可拆下(xia)電(dian)(dian)源接(jie)(jie)線盒外殼罩子,先用萬用表(biao)檢(jian)測超溫保險絲(si)是否(fou)(fou)已燒斷。若(ruo)更換保險絲(si)后仍存在故(gu)障,即可測量功率轉換開(kai)關與溫度(du)控制開(kai)關是否(fou)(fou)斷線或斷路;
2、若(ruo)一切正常無故(gu)障,可(ke)將調(diao)(diao)溫器順時(shi)針(zhen)方向轉(zhuan)動,調(diao)(diao)高限溫溫度(du);若(ruo)通電(dian)試驗故(gu)障依舊存在,則(ze)可(ke)能是調(diao)(diao)溫器內(nei)部有接觸不良現象。一般調(diao)(diao)溫器正常電(dian)阻(zu)值為零,若(ruo)測量(liang)時(shi)電(dian)阻(zu)值很大,可(ke)拆開調(diao)(diao)溫器用水砂紙細打磨電(dian)觸點,并適當(dang)調(diao)(diao)整(zheng)接觸片間隙。一旦發生電(dian)觸點嚴(yan)重(zhong)燒蝕變形,則(ze)更換之。
3、當排除轉換開關和調溫器故(gu)障(zhang)后,則有可能是加熱PTC存在(zai)問題,首先應檢查PTC引出(chu)線接頭是否松脫或斷線,若無(wu)上述問題,則用萬用表測(ce)量PTC引出(chu)線間(jian)電阻值,以(yi)確定PTC是否被燒(shao)斷、擊穿故(gu)障(zhang)。用電阻檔(dang)測(ce)PTC阻值為(wei)(wei)無(wu)窮大(da)時,則證明PTC內已(yi)損壞。當然一旦發生PTC損壞,更換也很麻煩(fan),因為(wei)(wei)PTC是密封在(zai)散(san)熱片中,若無(wu)專用設備工具,非(fei)常(chang)難拆卸。
二、調溫失控
1、充(chong)油(you)式電暖器故障的(de)(de)維修方法是什么呢(ni)?電熱油(you)汀通電后指示燈正(zheng)常,散熱片正(zheng)常發熱,但(dan)調(diao)(diao)節溫控時(shi),可能是調(diao)(diao)溫器的(de)(de)限(xian)位銷碰斷和(he)脫落造成的(de)(de),此時(shi)應當更換新(xin)的(de)(de)調(diao)(diao)溫器。
2、在檢查時,應重點(dian)(dian)(dian)觀察自動控制裝置(zhi)(zhi)的熱(re)金屬片有(you)無燒蝕氧(yang)化(hua),壓板的位(wei)置(zhi)(zhi)是否(fou)發生偏差(cha),觸(chu)點(dian)(dian)(dian)間隙位(wei)置(zhi)(zhi)大小是否(fou)合適。當觸(chu)點(dian)(dian)(dian)間產生燒蝕氧(yang)化(hua)時,可用水(shui)砂(sha)紙(zhi)細(xi)打磨(mo)平整各觸(chu)點(dian)(dian)(dian)面后(hou),重新調(diao)整兩觸(chu)點(dian)(dian)(dian)間的距離位(wei)置(zhi)(zhi)。觸(chu)點(dian)(dian)(dian)的調(diao)節(jie)比較簡單,只要松開時兩觸(chu)點(dian)(dian)(dian)即閉合即可,若(ruo)發生偏差(cha)應用尖嘴鉗加(jia)以糾正。
三、散熱片帶電
1、電(dian)(dian)(dian)(dian)熱油汀(ting)散(san)熱片一般不(bu)會帶電(dian)(dian)(dian)(dian),如果(guo)出現(xian)帶電(dian)(dian)(dian)(dian)現(xian)象,大多(duo)是(shi)感應電(dian)(dian)(dian)(dian)或(huo)電(dian)(dian)(dian)(dian)源漏電(dian)(dian)(dian)(dian)所(suo)引起。如果(guo)當觸及(ji)散(san)熱片上時有很(hen)輕微的(de)電(dian)(dian)(dian)(dian)麻感覺(jue),很(hen)可能是(shi)感應電(dian)(dian)(dian)(dian)所(suo)產生,即使用的(de)環境潮濕,電(dian)(dian)(dian)(dian)熱油汀(ting)有潮濕氣(qi)侵入,此時需(xu)要更換使用環境。
2、若電(dian)(dian)(dian)麻程度嚴重時(shi),則(ze)有(you)可能是電(dian)(dian)(dian)源(yuan)漏電(dian)(dian)(dian)所(suo)造成,此時(shi),應(ying)檢查電(dian)(dian)(dian)源(yuan)接線(xian)盒內各連(lian)接線(xian)是否與殼體相(xiang)碰,電(dian)(dian)(dian)源(yuan)線(xian)絕緣有(you)無破損,所(suo)以室(shi)內三極(ji)電(dian)(dian)(dian)源(yuan)插(cha)座(zuo)一定(ding)要(yao)接地,這(zhe)樣才能防(fang)止感應(ying)電(dian)(dian)(dian)產生(sheng),防(fang)止漏電(dian)(dian)(dian)電(dian)(dian)(dian)擊(ji)。
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