電熱毯的維修保養事項 4大方法輕松排除電熱毯故障
一、電熱毯的保養
電(dian)(dian)(dian)熱(re)毯的保養(yang)應(ying)注(zhu)意以下幾(ji)點:①不(bu)用(yong)電(dian)(dian)(dian)熱(re)毯時禁止折(zhe)疊(die),存放(fang)(fang)時應(ying)輕(qing)輕(qing)疊(die)并放(fang)(fang)在(zai)其它物品的上(shang)面,以防(fang)電(dian)(dian)(dian)熱(re)毯中的電(dian)(dian)(dian)阻絲被(bei)壓斷;②清洗電(dian)(dian)(dian)熱(re)毯時,絕(jue)不(bu)可用(yong)洗衣機洗滌,應(ying)用(yong)清水(shui)及洗衣粉(fen)輕(qing)輕(qing)刷洗,不(bu)能(neng)用(yong)手搓(cuo),待晾干(gan)(gan)后才能(neng)通電(dian)(dian)(dian)使(shi)用(yong);③晾曬時,不(bu)應(ying)放(fang)(fang)在(zai)陽光下曝曬,更不(bu)能(neng)進行(xing)烘干(gan)(gan)處理,應(ying)放(fang)(fang)在(zai)陰涼(liang)通風處,讓其自然晾干(gan)(gan);④電(dian)(dian)(dian)熱(re)毯最好不(bu)要放(fang)(fang)在(zai)沙發或(huo)席夢思(si)床(chuang)上(shang),而應(ying)放(fang)(fang)在(zai)硬(ying)板床(chuang)上(shang)。
二、電熱毯的使用
電(dian)(dian)(dian)熱(re)(re)(re)(re)毯(tan)(tan)使(shi)用(yong)(yong)時(shi)應注意(yi)以下(xia)幾點:①電(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)壓應與(yu)電(dian)(dian)(dian)熱(re)(re)(re)(re)毯(tan)(tan)允許額(e)定電(dian)(dian)(dian)壓相符;②若存(cun)放(fang)(fang)后或新電(dian)(dian)(dian)熱(re)(re)(re)(re)毯(tan)(tan)第一次使(shi)用(yong)(yong),應先將(jiang)電(dian)(dian)(dian)熱(re)(re)(re)(re)毯(tan)(tan)輕疊幾層并通電(dian)(dian)(dian)10分鐘(zhong)作預熱(re)(re)(re)(re)試驗(yan),因為(wei)折(zhe)疊通電(dian)(dian)(dian)加熱(re)(re)(re)(re)較快。若會發(fa)熱(re)(re)(re)(re),說明電(dian)(dian)(dian)熱(re)(re)(re)(re)毯(tan)(tan)正常;若不(bu)(bu)(bu)發(fa)熱(re)(re)(re)(re),應停止使(shi)用(yong)(yong)并要(yao)進行(xing)檢修;③電(dian)(dian)(dian)熱(re)(re)(re)(re)毯(tan)(tan)使(shi)用(yong)(yong)時(shi)應平(ping)鋪在床單下(xia),禁止折(zhe)疊通電(dian)(dian)(dian)使(shi)用(yong)(yong),以免過熱(re)(re)(re)(re)發(fa)生意(yi)外事故;④使(shi)用(yong)(yong)時(shi)不(bu)(bu)(bu)能(neng)將(jiang)枕頭放(fang)(fang)在電(dian)(dian)(dian)熱(re)(re)(re)(re)毯(tan)(tan)上;⑤小(xiao)孩或生活不(bu)(bu)(bu)能(neng)自理的人(ren)禁止使(shi)用(yong)(yong)電(dian)(dian)(dian)熱(re)(re)(re)(re)毯(tan)(tan),更不(bu)(bu)(bu)能(neng)用(yong)(yong)不(bu)(bu)(bu)合格的電(dian)(dian)(dian)熱(re)(re)(re)(re)毯(tan)(tan);⑥應按先高(gao)溫擋后保溫擋使(shi)用(yong)(yong)。
三、電熱毯的維修
①電(dian)熱毯通電(dian)后(hou)不發(fa)熱:此(ci)故障(zhang)是(shi)(shi)電(dian)熱毯的常見故障(zhang),應查電(dian)源(yuan)線是(shi)(shi)否(fou)良好;電(dian)源(yuan)插頭是(shi)(shi)否(fou)與電(dian)源(yuan)接(jie)觸良好;電(dian)源(yuan)開關是(shi)(shi)否(fou)良好;發(fa)熱元件(jian)是(shi)(shi)否(fou)損壞。用萬用表查電(dian)源(yuan)開關中(zhong)連接(jie)發(fa)熱元件(jian)的端點,若阻值為∞,則為發(fa)熱元件(jian)折斷,應更換發(fa)熱元件(jian)。
②二極(ji)管調(diao)溫(wen)(wen)電熱毯調(diao)溫(wen)(wen)失(shi)靈:此故障若(ruo)表現在低(di)溫(wen)(wen)擋(dang)溫(wen)(wen)度仍很(hen)高(gao),則(ze)說明調(diao)溫(wen)(wen)二極(ji)管擊穿;若(ruo)表現為只(zhi)(zhi)有高(gao)溫(wen)(wen)擋(dang)沒有低(di)溫(wen)(wen)擋(dang),則(ze)說明調(diao)溫(wen)(wen)二極(ji)管斷路,此二種情況只(zhi)(zhi)要更換同規格(ge)的(de)二極(ji)管故障即可排(pai)除。
③電容(rong)降(jiang)壓調(diao)溫(wen)(wen)(wen)(wen)電熱毯調(diao)溫(wen)(wen)(wen)(wen)失(shi)靈:此(ci)故障若表現(xian)為高、低擋溫(wen)(wen)(wen)(wen)度均相同,則說明電容(rong)短路;若表現(xian)為只有置在(zai)高溫(wen)(wen)(wen)(wen)擋才有溫(wen)(wen)(wen)(wen)度,則說明電容(rong)斷(duan)路,此(ci)二種情況需更換(huan)同規(gui)格(ge)的電容(rong)即可。
④電(dian)熱毯(tan)指示燈(deng)不亮但能正常發(fa)(fa)熱:故障原因(yin)可能是發(fa)(fa)光二(er)極管或(huo)氖泡(pao)(pao)損壞(huai),更換(huan)之;發(fa)(fa)光二(er)極管或(huo)氖泡(pao)(pao)的(de)降壓電(dian)阻(zu)損壞(huai),更換(huan)同規格電(dian)阻(zu)即可(注:串聯(lian)或(huo)并聯(lian)型的(de)電(dian)阻(zu)阻(zu)值相差特別大,更換(huan)時(shi)應(ying)注意);有(you)關接線有(you)虛焊(han)或(huo)脫(tuo)滿,重新(xin)焊(han)好即可。
電熱毯安全使用法
①電熱(re)(re)毯使用時要(yao)平(ping)鋪在墊(dian)胎上,毯面上加一條床單(dan),以免弄臟電熱(re)(re)毯。切不可在床單(dan)和(he)電熱(re)(re)毯之間再(zai)鋪墊(dian)棉胎或其(qi)它織物(wu)。開關要(yao)放(fang)在隨手(shou)可拿到(dao)的位置。
②臨睡(shui)前先(xian)開高溫檔,短時間內讓其(qi)預熱升(sheng)溫到(dao)所需溫度。上床后,再調節到(dao)低溫檔保溫或(huo)關(guan)閉開關(guan)。
③電熱毯的溫度控制在38°C左右,最高不(bu)能超過 40°C。
④電(dian)熱毯上不能放置(zhi)尖銳的(de)金(jin)屬物件和(he)既重又(you)硬(ying)的(de)物品(pin),小(xiao)孩不宜(yi)在電(dian)熱毯上蹦(beng)跳玩耍(shua),以免損壞(huai)電(dian)熱絲,引起觸電(dian)事故。
⑤經常檢查電熱毯有否集堆打(da)褶(zhe)現(xian)象,避免局部過熱。為了鋪平(ping)電熱毯,四只角(jiao)可各縫上布(bu)帶(dai),把毯子拉平(ping),再將布(bu)條固定在床(chuang)腿上。
⑥電熱(re)毯(tan)不要與熱(re)水袋、湯婆(po)子(zi)一起使用(yong)。電熱(re)毯(tan)局部過熱(re),是出(chu)現故障(zhang)的預(yu)兆(zhao),應馬上停用(yong),并檢查修理。
電熱毯保養法
①卷毯:電熱毯不用(yong)時(shi),應卷成圓(yuan)筒狀,不要讓電熱毯有死彎,以免降低(di)電熱絲的(de)絕緣性(xing)能,上面忌放重物。
②去(qu)濕:電熱毯收藏前,先平整地鋪開,插上電源,通(tong)電20~30分鐘后,讓它自然涼(liang)透,為電熱絲和電器(qi)元件除潮(chao)。
③裝袋(dai):去(qu)濕(shi)后拍去(qu)灰塵,將電源線和開(kai)關放(fang)在(zai)里(li)面,然后卷(juan)成筒狀,裝入塑料袋(dai)內存放(fang)。
④透(tou)風:長久不(bu)用的電熱毯要經常(chang)透(tou)風,將電熱毯鋪平,再通電半小時,這樣(yang)既(ji)除潮又殺蟲,能使電熱毯的壽命延長。