一、為什么干手器能自動開關
自(zi)(zi)動(dong)(dong)開(kai)關(guan)(guan)是(shi)(shi)指人(ren)體(ti)紅外(wai)智能(neng)(neng)感應(ying)開(kai)關(guan)(guan),是(shi)(shi)一(yi)(yi)(yi)種當有人(ren)從紅外(wai)感應(ying)探測(ce)區(qu)域經過而自(zi)(zi)動(dong)(dong)啟動(dong)(dong)的(de)(de)(de)(de)開(kai)關(guan)(guan)。那么干(gan)手器(qi)(qi)原(yuan)理(li)是(shi)(shi)什么呢?干(gan)手器(qi)(qi)能(neng)(neng)自(zi)(zi)動(dong)(dong)開(kai)關(guan)(guan)是(shi)(shi)因(yin)為(wei)在(zai)干(gan)手器(qi)(qi)內部(bu),安裝了(le)變(bian)容(rong)(rong)式自(zi)(zi)動(dong)(dong)感應(ying)電(dian)(dian)(dian)路(lu),由它控(kong)制著(zhu)一(yi)(yi)(yi)個電(dian)(dian)(dian)橋(qiao)平衡(heng)(heng)電(dian)(dian)(dian)路(lu)。電(dian)(dian)(dian)橋(qiao)平衡(heng)(heng)電(dian)(dian)(dian)路(lu)由四(si)(si)部(bu)分(fen)組(zu)成(cheng),稱為(wei)四(si)(si)個橋(qiao)臂(bei)。變(bian)容(rong)(rong)式自(zi)(zi)動(dong)(dong)感應(ying)電(dian)(dian)(dian)路(lu)組(zu)成(cheng)了(le)其中的(de)(de)(de)(de)一(yi)(yi)(yi)個橋(qiao)臂(bei)。它的(de)(de)(de)(de)感應(ying)部(bu)分(fen),安裝在(zai)干(gan)手器(qi)(qi)的(de)(de)(de)(de)出(chu)風(feng)口(kou)處。當濕手在(zai)風(feng)口(kou)下出(chu)現時,因(yin)為(wei)人(ren)體(ti)是(shi)(shi)導(dao)體(ti),也能(neng)(neng)形(xing)成(cheng)電(dian)(dian)(dian)容(rong)(rong),于是(shi)(shi),使(shi)(shi)感應(ying)部(bu)分(fen)的(de)(de)(de)(de)電(dian)(dian)(dian)容(rong)(rong)量發生變(bian)化,立(li)即使(shi)(shi)電(dian)(dian)(dian)橋(qiao)電(dian)(dian)(dian)路(lu)中的(de)(de)(de)(de)四(si)(si)個橋(qiao)臂(bei)的(de)(de)(de)(de)量值,從平衡(heng)(heng)轉向不平衡(heng)(heng)。原(yuan)來(lai)在(zai)平衡(heng)(heng)狀(zhuang)態下,橋(qiao)臂(bei)中能(neng)(neng)互(hu)相抵(di)消的(de)(de)(de)(de)電(dian)(dian)(dian)流,不再抵(di)消,出(chu)現了(le)一(yi)(yi)(yi)股新的(de)(de)(de)(de)電(dian)(dian)(dian)流。它能(neng)(neng)使(shi)(shi)吸(xi)鐵繼電(dian)(dian)(dian)器(qi)(qi)動(dong)(dong)作(zuo),接通(tong)風(feng)扇和電(dian)(dian)(dian)熱器(qi)(qi)上的(de)(de)(de)(de)電(dian)(dian)(dian)源,就(jiu)會(hui)有風(feng)吹出(chu)來(lai)。
二、干手器安裝高度
干(gan)手器的安(an)裝(zhuang)高(gao)度一般是在1.2m左右,離洗手臺30-40cm遠。如(ru)果安(an)裝(zhuang)在家(jia)中就要考慮使(shi)用人群,一般家(jia)用型的掛式感受求可以根據家(jia)人的平均(jun)身高(gao)來安(an)裝(zhuang),如(ru)果有小(xiao)孩可以選擇(ze)安(an)裝(zhuang)落地式向上的干(gan)手器。
三、干手器有輻射嗎
一般(ban)通電的東西都(dou)會有(you)電離輻(fu)射(she)的,只是輻(fu)射(she)大小的問題,干手器(qi)也是有(you)輻(fu)射(she)的,不(bu)過不(bu)用擔(dan)心,畢(bi)竟它的體量并不(bu)大,并且你(ni)只是使用不(bu)到半(ban)分鐘,基本不(bu)會被輻(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有質量(liang)保障,以用起來舒適為宜。