暖手器的用法
首先充電(dian)(dian),通電(dian)(dian)時,人不(bu)(bu)得離開,等待充電(dian)(dian)結束,指示(shi)燈自動熄滅(mie),拔掉插頭和連接(jie)器后就可以將(jiang)暖手(shou)(shou)器裝(zhuang)入保溫袋內用于手(shou)(shou)部取(qu)暖了。注(zhu)意通電(dian)(dian)時不(bu)(bu)要將(jiang)電(dian)(dian)熱暖手(shou)(shou)器抱在懷中。
暖手器一般充電多久
暖手器是一種儲熱量大、保溫時間長的暖手用品,一般用專用的連接線接入220V電源6-10分鐘即可充電完畢,一次充電大概可以用幾個小時。具體充電時間和保溫時間根據暖手器品牌、質量、大小等因(yin)素(su)有(you)所(suo)差異,建議(yi)購買保溫時間長(chang)的優質暖手器。
暖手器發熱原理
暖(nuan)手器發(fa)熱(re)原理簡單來說是(shi)插上電(dian)源后,通過電(dian)熱(re)元件(jian)(電(dian)熱(re)絲或PTC陶瓷元件(jian))來加熱(re)暖(nuan)手器里的(de)過飽和溶(rong)液(ye),使(shi)它的(de)結晶溶(rong)解(jie),大(da)約5-8分鐘此過程結束;斷電(dian)以后,電(dian)熱(re)暖(nuan)手器的(de)過飽和溶(rong)液(ye)開始結晶而(er)緩慢(man)釋放出熱(re)量。
暖手器可以帶上飛機嗎
暖手器里含有(you)的過飽和溶液(ye)屬(shu)于(yu)液(ye)體,并且含量大于(yu)100ml,因此規定(ding)是不能(neng)帶(dai)上(shang)飛(fei)機(ji)的,只能(neng)辦理托運。
暖手器里面是什么液體
一(yi)種就是(shi)(shi)(shi)(shi)過飽(bao)和(he)溶(rong)(rong)(rong)(rong)液醋(cu)酸(suan)鈉(na)(sodium acetate, CH3COONa),是(shi)(shi)(shi)(shi)一(yi)種過飽(bao)和(he)溶(rong)(rong)(rong)(rong)液。過飽(bao)和(he)溶(rong)(rong)(rong)(rong)液就是(shi)(shi)(shi)(shi)一(yi)定(ding)溫(wen)度、壓力下,當溶(rong)(rong)(rong)(rong)液中溶(rong)(rong)(rong)(rong)質的(de)(de)濃度已超(chao)過該(gai)溫(wen)度、壓力下溶(rong)(rong)(rong)(rong)質的(de)(de)溶(rong)(rong)(rong)(rong)解度,而溶(rong)(rong)(rong)(rong)質仍(reng)不析出的(de)(de)現象叫過飽(bao)和(he)現象。 暖(nuan)手(shou)寶里(li)面的(de)(de)液體就是(shi)(shi)(shi)(shi)這種液體了,有些(xie)人說是(shi)(shi)(shi)(shi)水,其實不是(shi)(shi)(shi)(shi)水,是(shi)(shi)(shi)(shi)溶(rong)(rong)(rong)(rong)液。正(zheng)常使(shi)用無毒。另(ling)外一(yi)種就是(shi)(shi)(shi)(shi)正(zheng)常的(de)(de)水,插電(dian)加溫(wen)至65度自動斷電(dian)。