一、為什么干手器能自動開關
自(zi)(zi)(zi)動(dong)(dong)開(kai)(kai)關是指人(ren)體(ti)紅外智能(neng)感(gan)應(ying)開(kai)(kai)關,是一種(zhong)當(dang)有人(ren)從(cong)紅外感(gan)應(ying)探測區域經過而自(zi)(zi)(zi)動(dong)(dong)啟動(dong)(dong)的(de)開(kai)(kai)關。那(nei)么(me)干(gan)手器(qi)原(yuan)(yuan)理是什么(me)呢(ni)?干(gan)手器(qi)能(neng)自(zi)(zi)(zi)動(dong)(dong)開(kai)(kai)關是因(yin)為在干(gan)手器(qi)內(nei)部(bu)(bu)(bu),安(an)裝了(le)變(bian)(bian)(bian)容式(shi)自(zi)(zi)(zi)動(dong)(dong)感(gan)應(ying)電(dian)(dian)(dian)(dian)路,由(you)它控制著一個電(dian)(dian)(dian)(dian)橋(qiao)平(ping)(ping)(ping)衡(heng)電(dian)(dian)(dian)(dian)路。電(dian)(dian)(dian)(dian)橋(qiao)平(ping)(ping)(ping)衡(heng)電(dian)(dian)(dian)(dian)路由(you)四(si)(si)部(bu)(bu)(bu)分(fen)組成,稱為四(si)(si)個橋(qiao)臂。變(bian)(bian)(bian)容式(shi)自(zi)(zi)(zi)動(dong)(dong)感(gan)應(ying)電(dian)(dian)(dian)(dian)路組成了(le)其(qi)中(zhong)的(de)一個橋(qiao)臂。它的(de)感(gan)應(ying)部(bu)(bu)(bu)分(fen),安(an)裝在干(gan)手器(qi)的(de)出風(feng)口處。當(dang)濕手在風(feng)口下出現時,因(yin)為人(ren)體(ti)是導體(ti),也能(neng)形成電(dian)(dian)(dian)(dian)容,于是,使感(gan)應(ying)部(bu)(bu)(bu)分(fen)的(de)電(dian)(dian)(dian)(dian)容量發生變(bian)(bian)(bian)化,立(li)即使電(dian)(dian)(dian)(dian)橋(qiao)電(dian)(dian)(dian)(dian)路中(zhong)的(de)四(si)(si)個橋(qiao)臂的(de)量值,從(cong)平(ping)(ping)(ping)衡(heng)轉向不平(ping)(ping)(ping)衡(heng)。原(yuan)(yuan)來在平(ping)(ping)(ping)衡(heng)狀態下,橋(qiao)臂中(zhong)能(neng)互相(xiang)抵消的(de)電(dian)(dian)(dian)(dian)流,不再抵消,出現了(le)一股新的(de)電(dian)(dian)(dian)(dian)流。它能(neng)使吸鐵繼電(dian)(dian)(dian)(dian)器(qi)動(dong)(dong)作(zuo),接通(tong)風(feng)扇和電(dian)(dian)(dian)(dian)熱器(qi)上的(de)電(dian)(dian)(dian)(dian)源,就會有風(feng)吹出來。
二、干手器安裝高度
干手(shou)(shou)器(qi)的安(an)裝高(gao)度一般是在1.2m左右(you),離洗手(shou)(shou)臺(tai)30-40cm遠。如(ru)果安(an)裝在家(jia)(jia)中就要考慮使用(yong)人群,一般家(jia)(jia)用(yong)型的掛式感受求(qiu)可以根據(ju)家(jia)(jia)人的平均身(shen)高(gao)來安(an)裝,如(ru)果有小孩(hai)可以選擇安(an)裝落地式向(xiang)上的干手(shou)(shou)器(qi)。
三、干手器有輻射嗎
一般通電(dian)的(de)東西都會(hui)有電(dian)離輻(fu)射(she)的(de),只(zhi)是(shi)輻(fu)射(she)大小的(de)問(wen)題,干手器也是(shi)有輻(fu)射(she)的(de),不(bu)(bu)(bu)過不(bu)(bu)(bu)用擔心,畢(bi)竟它的(de)體量并不(bu)(bu)(bu)大,并且你只(zhi)是(shi)使用不(bu)(bu)(bu)到半分(fen)鐘(zhong),基本不(bu)(bu)(bu)會(hui)被(bei)輻(fu)射(she)所影響。
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(zhi)量(liang)保障(zhang),以用起(qi)來舒適為宜。