一、為什么干手器能自動開關
自(zi)動(dong)開(kai)(kai)關是(shi)(shi)指人體(ti)紅外(wai)智(zhi)能(neng)(neng)感應(ying)開(kai)(kai)關,是(shi)(shi)一(yi)(yi)種當(dang)有人從紅外(wai)感應(ying)探測區域經過而自(zi)動(dong)啟動(dong)的(de)開(kai)(kai)關。那么(me)干手器(qi)(qi)(qi)原理是(shi)(shi)什(shen)么(me)呢?干手器(qi)(qi)(qi)能(neng)(neng)自(zi)動(dong)開(kai)(kai)關是(shi)(shi)因為(wei)在(zai)干手器(qi)(qi)(qi)內部,安(an)裝了(le)(le)變容式自(zi)動(dong)感應(ying)電(dian)(dian)(dian)(dian)路,由(you)(you)它控制著一(yi)(yi)個(ge)電(dian)(dian)(dian)(dian)橋平(ping)衡電(dian)(dian)(dian)(dian)路。電(dian)(dian)(dian)(dian)橋平(ping)衡電(dian)(dian)(dian)(dian)路由(you)(you)四(si)部分(fen)組(zu)成,稱為(wei)四(si)個(ge)橋臂。變容式自(zi)動(dong)感應(ying)電(dian)(dian)(dian)(dian)路組(zu)成了(le)(le)其中(zhong)(zhong)的(de)一(yi)(yi)個(ge)橋臂。它的(de)感應(ying)部分(fen),安(an)裝在(zai)干手器(qi)(qi)(qi)的(de)出(chu)風(feng)口(kou)處(chu)。當(dang)濕手在(zai)風(feng)口(kou)下出(chu)現時(shi),因為(wei)人體(ti)是(shi)(shi)導體(ti),也能(neng)(neng)形(xing)成電(dian)(dian)(dian)(dian)容,于是(shi)(shi),使(shi)感應(ying)部分(fen)的(de)電(dian)(dian)(dian)(dian)容量發(fa)生變化,立即使(shi)電(dian)(dian)(dian)(dian)橋電(dian)(dian)(dian)(dian)路中(zhong)(zhong)的(de)四(si)個(ge)橋臂的(de)量值(zhi),從平(ping)衡轉向不(bu)平(ping)衡。原來在(zai)平(ping)衡狀態下,橋臂中(zhong)(zhong)能(neng)(neng)互相抵(di)消的(de)電(dian)(dian)(dian)(dian)流(liu),不(bu)再抵(di)消,出(chu)現了(le)(le)一(yi)(yi)股新的(de)電(dian)(dian)(dian)(dian)流(liu)。它能(neng)(neng)使(shi)吸(xi)鐵繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)動(dong)作,接通風(feng)扇和電(dian)(dian)(dian)(dian)熱(re)器(qi)(qi)(qi)上的(de)電(dian)(dian)(dian)(dian)源,就會(hui)有風(feng)吹(chui)出(chu)來。
二、干手器安裝高度
干手(shou)器的(de)安裝(zhuang)高度一般(ban)是在(zai)1.2m左右,離洗手(shou)臺30-40cm遠。如果(guo)安裝(zhuang)在(zai)家中就要(yao)考(kao)慮使用(yong)人群(qun),一般(ban)家用(yong)型的(de)掛(gua)式感受(shou)求可(ke)以根據家人的(de)平均身(shen)高來安裝(zhuang),如果(guo)有小孩可(ke)以選擇(ze)安裝(zhuang)落(luo)地式向(xiang)上(shang)的(de)干手(shou)器。
三、干手器有輻射嗎
一般通電(dian)的(de)東西都會(hui)有(you)電(dian)離輻(fu)(fu)射(she)的(de),只(zhi)是輻(fu)(fu)射(she)大小的(de)問題(ti),干手器也是有(you)輻(fu)(fu)射(she)的(de),不(bu)過不(bu)用(yong)擔(dan)心(xin),畢(bi)竟它的(de)體(ti)量并不(bu)大,并且你只(zhi)是使(shi)用(yong)不(bu)到半分鐘,基本(ben)不(bu)會(hui)被(bei)輻(fu)(fu)射(she)所影響(xiang)。
四、如何挑選干手器
挑選干手器主要根據自己的需要和環境等情況來決定是選以風為主熱量為輔的風量型的干手器,還是以熱量為主的熱風型干手器。此外,還需要考慮到干手器的外殼材質、重量、顏色、啟動原理、安裝方式、工作噪音、運行功率、干手時風溫等參數。購買的干手器品牌要(yao)有質量保障,以用起(qi)來舒適(shi)為宜。