一、為什么干手器能自動開關
自動(dong)(dong)開(kai)關(guan)是(shi)(shi)指(zhi)人體(ti)紅外智能(neng)感(gan)(gan)應開(kai)關(guan),是(shi)(shi)一種當有(you)人從紅外感(gan)(gan)應探測區域(yu)經過而(er)自動(dong)(dong)啟動(dong)(dong)的(de)(de)開(kai)關(guan)。那(nei)么(me)干手(shou)器(qi)原理是(shi)(shi)什么(me)呢?干手(shou)器(qi)能(neng)自動(dong)(dong)開(kai)關(guan)是(shi)(shi)因(yin)為(wei)在(zai)(zai)干手(shou)器(qi)內部(bu)(bu),安(an)裝(zhuang)了(le)(le)變容(rong)式自動(dong)(dong)感(gan)(gan)應電(dian)(dian)(dian)路(lu)(lu),由(you)(you)它(ta)控制著一個電(dian)(dian)(dian)橋(qiao)(qiao)平(ping)(ping)衡(heng)電(dian)(dian)(dian)路(lu)(lu)。電(dian)(dian)(dian)橋(qiao)(qiao)平(ping)(ping)衡(heng)電(dian)(dian)(dian)路(lu)(lu)由(you)(you)四部(bu)(bu)分組成,稱為(wei)四個橋(qiao)(qiao)臂(bei)。變容(rong)式自動(dong)(dong)感(gan)(gan)應電(dian)(dian)(dian)路(lu)(lu)組成了(le)(le)其中的(de)(de)一個橋(qiao)(qiao)臂(bei)。它(ta)的(de)(de)感(gan)(gan)應部(bu)(bu)分,安(an)裝(zhuang)在(zai)(zai)干手(shou)器(qi)的(de)(de)出(chu)風(feng)(feng)口處(chu)。當濕手(shou)在(zai)(zai)風(feng)(feng)口下(xia)出(chu)現時,因(yin)為(wei)人體(ti)是(shi)(shi)導體(ti),也能(neng)形成電(dian)(dian)(dian)容(rong),于(yu)是(shi)(shi),使感(gan)(gan)應部(bu)(bu)分的(de)(de)電(dian)(dian)(dian)容(rong)量(liang)(liang)發生變化,立即使電(dian)(dian)(dian)橋(qiao)(qiao)電(dian)(dian)(dian)路(lu)(lu)中的(de)(de)四個橋(qiao)(qiao)臂(bei)的(de)(de)量(liang)(liang)值(zhi),從平(ping)(ping)衡(heng)轉向不平(ping)(ping)衡(heng)。原來在(zai)(zai)平(ping)(ping)衡(heng)狀(zhuang)態下(xia),橋(qiao)(qiao)臂(bei)中能(neng)互(hu)相抵消的(de)(de)電(dian)(dian)(dian)流,不再(zai)抵消,出(chu)現了(le)(le)一股新的(de)(de)電(dian)(dian)(dian)流。它(ta)能(neng)使吸鐵繼(ji)電(dian)(dian)(dian)器(qi)動(dong)(dong)作,接通風(feng)(feng)扇(shan)和電(dian)(dian)(dian)熱器(qi)上的(de)(de)電(dian)(dian)(dian)源,就會有(you)風(feng)(feng)吹(chui)出(chu)來。
二、干手器安裝高度
干手(shou)器(qi)的安裝(zhuang)高度(du)一般是(shi)在1.2m左(zuo)右(you),離洗手(shou)臺30-40cm遠。如(ru)果(guo)安裝(zhuang)在家中就要考慮使用人群,一般家用型的掛(gua)式(shi)感受求可以根據家人的平均身高來安裝(zhuang),如(ru)果(guo)有小(xiao)孩可以選(xuan)擇安裝(zhuang)落(luo)地式(shi)向上(shang)的干手(shou)器(qi)。
三、干手器有輻射嗎
一般通(tong)電的東西(xi)都會有電離輻射(she)(she)的,只(zhi)是輻射(she)(she)大小(xiao)的問題,干手器也(ye)是有輻射(she)(she)的,不過不用(yong)擔心,畢竟(jing)它的體量并不大,并且(qie)你只(zhi)是使用(yong)不到半(ban)分(fen)鐘,基本(ben)不會被輻射(she)(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(yong)起(qi)來舒適為宜。