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)熱(re)毯(tan)的保(bao)養應(ying)(ying)注意以(yi)下幾點:①不(bu)用(yong)電(dian)熱(re)毯(tan)時(shi)禁止折疊,存放(fang)(fang)時(shi)應(ying)(ying)輕輕疊并放(fang)(fang)在(zai)其它物品的上(shang)面,以(yi)防電(dian)熱(re)毯(tan)中的電(dian)阻(zu)絲被壓斷(duan);②清洗(xi)電(dian)熱(re)毯(tan)時(shi),絕不(bu)可用(yong)洗(xi)衣(yi)機(ji)洗(xi)滌(di),應(ying)(ying)用(yong)清水及洗(xi)衣(yi)粉輕輕刷洗(xi),不(bu)能(neng)用(yong)手(shou)搓(cuo),待(dai)晾干后才能(neng)通電(dian)使用(yong);③晾曬時(shi),不(bu)應(ying)(ying)放(fang)(fang)在(zai)陽光下曝曬,更不(bu)能(neng)進行烘干處理,應(ying)(ying)放(fang)(fang)在(zai)陰涼通風處,讓其自然晾干;④電(dian)熱(re)毯(tan)最好(hao)不(bu)要(yao)放(fang)(fang)在(zai)沙發或席夢思床上(shang),而應(ying)(ying)放(fang)(fang)在(zai)硬板床上(shang)。
二、電熱毯的使用
電(dian)(dian)(dian)熱(re)(re)毯使(shi)(shi)(shi)(shi)(shi)用(yong)時(shi)(shi)應(ying)(ying)注意以下幾點(dian):①電(dian)(dian)(dian)源電(dian)(dian)(dian)壓應(ying)(ying)與電(dian)(dian)(dian)熱(re)(re)毯允(yun)許額定電(dian)(dian)(dian)壓相符;②若存放后(hou)或新電(dian)(dian)(dian)熱(re)(re)毯第(di)一(yi)次使(shi)(shi)(shi)(shi)(shi)用(yong),應(ying)(ying)先將(jiang)(jiang)電(dian)(dian)(dian)熱(re)(re)毯輕疊(die)(die)幾層并通(tong)電(dian)(dian)(dian)10分鐘作預熱(re)(re)試(shi)驗,因為(wei)折疊(die)(die)通(tong)電(dian)(dian)(dian)加熱(re)(re)較(jiao)快(kuai)。若會發(fa)熱(re)(re),說明電(dian)(dian)(dian)熱(re)(re)毯正常;若不發(fa)熱(re)(re),應(ying)(ying)停止使(shi)(shi)(shi)(shi)(shi)用(yong)并要進行檢修;③電(dian)(dian)(dian)熱(re)(re)毯使(shi)(shi)(shi)(shi)(shi)用(yong)時(shi)(shi)應(ying)(ying)平鋪在床單下,禁止折疊(die)(die)通(tong)電(dian)(dian)(dian)使(shi)(shi)(shi)(shi)(shi)用(yong),以免過(guo)熱(re)(re)發(fa)生意外事故;④使(shi)(shi)(shi)(shi)(shi)用(yong)時(shi)(shi)不能將(jiang)(jiang)枕頭(tou)放在電(dian)(dian)(dian)熱(re)(re)毯上(shang);⑤小孩或生活不能自理的人禁止使(shi)(shi)(shi)(shi)(shi)用(yong)電(dian)(dian)(dian)熱(re)(re)毯,更不能用(yong)不合格的電(dian)(dian)(dian)熱(re)(re)毯;⑥應(ying)(ying)按先高(gao)溫(wen)擋后(hou)保溫(wen)擋使(shi)(shi)(shi)(shi)(shi)用(yong)。
三、電熱毯的維修
①電(dian)(dian)(dian)熱(re)(re)毯通(tong)電(dian)(dian)(dian)后不發(fa)熱(re)(re):此故(gu)障(zhang)是電(dian)(dian)(dian)熱(re)(re)毯的(de)常見故(gu)障(zhang),應查電(dian)(dian)(dian)源(yuan)線是否良好;電(dian)(dian)(dian)源(yuan)插頭是否與電(dian)(dian)(dian)源(yuan)接觸良好;電(dian)(dian)(dian)源(yuan)開關是否良好;發(fa)熱(re)(re)元(yuan)件(jian)是否損壞。用萬用表查電(dian)(dian)(dian)源(yuan)開關中連接發(fa)熱(re)(re)元(yuan)件(jian)的(de)端點,若阻(zu)值為∞,則為發(fa)熱(re)(re)元(yuan)件(jian)折斷,應更(geng)換發(fa)熱(re)(re)元(yuan)件(jian)。
②二極(ji)管(guan)(guan)調(diao)(diao)溫(wen)電熱毯調(diao)(diao)溫(wen)失靈(ling):此(ci)故障若表(biao)現在(zai)低(di)溫(wen)擋溫(wen)度仍(reng)很高,則說明(ming)調(diao)(diao)溫(wen)二極(ji)管(guan)(guan)擊穿;若表(biao)現為只(zhi)有高溫(wen)擋沒有低(di)溫(wen)擋,則說明(ming)調(diao)(diao)溫(wen)二極(ji)管(guan)(guan)斷(duan)路,此(ci)二種情況只(zhi)要更換同規格的二極(ji)管(guan)(guan)故障即可排除。
③電容降(jiang)壓調溫電熱毯調溫失靈:此(ci)故障若(ruo)(ruo)表(biao)現為(wei)高(gao)、低擋(dang)溫度均相(xiang)同,則(ze)說明電容短路(lu)(lu);若(ruo)(ruo)表(biao)現為(wei)只有置在高(gao)溫擋(dang)才有溫度,則(ze)說明電容斷(duan)路(lu)(lu),此(ci)二(er)種情況需更換同規格(ge)的(de)電容即(ji)可(ke)。
④電(dian)熱毯指(zhi)示(shi)燈不亮(liang)但能正常發(fa)熱:故障原因(yin)可能是發(fa)光(guang)二極管或(huo)(huo)氖泡(pao)損壞(huai),更換(huan)之;發(fa)光(guang)二極管或(huo)(huo)氖泡(pao)的(de)降壓電(dian)阻損壞(huai),更換(huan)同規格電(dian)阻即可(注:串聯(lian)或(huo)(huo)并聯(lian)型(xing)的(de)電(dian)阻阻值相差特(te)別大,更換(huan)時應(ying)注意(yi));有關接(jie)線有虛焊或(huo)(huo)脫(tuo)滿,重(zhong)新焊好(hao)即可。
電熱毯安全使用法
①電熱(re)毯(tan)使用時要平鋪在墊(dian)胎上,毯(tan)面(mian)上加(jia)一條床單(dan),以免弄臟(zang)電熱(re)毯(tan)。切不可在床單(dan)和(he)電熱(re)毯(tan)之間再鋪墊(dian)棉(mian)胎或其(qi)它織物。開關要放在隨(sui)手可拿到的位置。
②臨睡前先開高溫(wen)檔,短時間內(nei)讓其(qi)預熱升溫(wen)到所需溫(wen)度。上床后,再調(diao)節到低溫(wen)檔保溫(wen)或關閉開關。
③電熱(re)毯的溫度控制(zhi)在(zai)38°C左右,最高不(bu)能超過 40°C。
④電(dian)熱(re)毯上不(bu)能放(fang)置尖銳的金屬(shu)物件和既重又硬(ying)的物品,小(xiao)孩不(bu)宜在電(dian)熱(re)毯上蹦跳玩耍,以免損壞電(dian)熱(re)絲,引(yin)起觸(chu)電(dian)事故。
⑤經常檢查(cha)電熱(re)毯(tan)有(you)否集堆(dui)打(da)褶現象,避免(mian)局部過熱(re)。為了鋪平電熱(re)毯(tan),四(si)只角可各(ge)縫上布帶(dai),把毯(tan)子拉平,再將布條固定在床腿上。
⑥電熱毯(tan)不要與熱水袋、湯婆子(zi)一起使(shi)用。電熱毯(tan)局部過(guo)熱,是出現故障的預兆,應馬上(shang)停用,并檢查修(xiu)理。
電熱毯保養法
①卷毯:電熱(re)毯不(bu)用時,應卷成圓筒(tong)狀,不(bu)要(yao)讓電熱(re)毯有死彎,以免降低電熱(re)絲的(de)絕(jue)緣(yuan)性能,上面忌放重物(wu)。
②去濕:電熱毯收藏前,先平整地鋪開,插上電源(yuan),通電20~30分(fen)鐘(zhong)后,讓它自然涼透,為電熱絲(si)和電器元件除潮。
③裝(zhuang)袋:去(qu)濕后(hou)拍去(qu)灰塵,將電(dian)源線和開關放在里(li)面(mian),然后(hou)卷成筒(tong)狀,裝(zhuang)入塑料袋內存放。
④透風:長久不用的電(dian)熱(re)(re)毯要經常透風,將(jiang)電(dian)熱(re)(re)毯鋪平,再通電(dian)半小(xiao)時,這樣既除(chu)潮(chao)又殺(sha)蟲(chong),能(neng)使電(dian)熱(re)(re)毯的壽命延(yan)長。