一、為什么干手器能自動開關
自(zi)(zi)動(dong)開(kai)(kai)關是(shi)(shi)指(zhi)人體紅外(wai)智能(neng)感(gan)應開(kai)(kai)關,是(shi)(shi)一(yi)(yi)(yi)種當有人從(cong)紅外(wai)感(gan)應探測(ce)區域經過而自(zi)(zi)動(dong)啟動(dong)的(de)(de)(de)開(kai)(kai)關。那么(me)干手(shou)器(qi)(qi)原理是(shi)(shi)什么(me)呢?干手(shou)器(qi)(qi)能(neng)自(zi)(zi)動(dong)開(kai)(kai)關是(shi)(shi)因(yin)為在(zai)干手(shou)器(qi)(qi)內(nei)部(bu),安裝(zhuang)了變(bian)容(rong)式自(zi)(zi)動(dong)感(gan)應電(dian)(dian)(dian)路(lu)(lu),由它控制著一(yi)(yi)(yi)個電(dian)(dian)(dian)橋(qiao)平(ping)(ping)衡(heng)電(dian)(dian)(dian)路(lu)(lu)。電(dian)(dian)(dian)橋(qiao)平(ping)(ping)衡(heng)電(dian)(dian)(dian)路(lu)(lu)由四部(bu)分(fen)組(zu)成(cheng),稱為四個橋(qiao)臂(bei)。變(bian)容(rong)式自(zi)(zi)動(dong)感(gan)應電(dian)(dian)(dian)路(lu)(lu)組(zu)成(cheng)了其中的(de)(de)(de)一(yi)(yi)(yi)個橋(qiao)臂(bei)。它的(de)(de)(de)感(gan)應部(bu)分(fen),安裝(zhuang)在(zai)干手(shou)器(qi)(qi)的(de)(de)(de)出風口(kou)處。當濕手(shou)在(zai)風口(kou)下出現(xian)時,因(yin)為人體是(shi)(shi)導體,也(ye)能(neng)形成(cheng)電(dian)(dian)(dian)容(rong),于是(shi)(shi),使(shi)(shi)感(gan)應部(bu)分(fen)的(de)(de)(de)電(dian)(dian)(dian)容(rong)量(liang)發生變(bian)化,立(li)即使(shi)(shi)電(dian)(dian)(dian)橋(qiao)電(dian)(dian)(dian)路(lu)(lu)中的(de)(de)(de)四個橋(qiao)臂(bei)的(de)(de)(de)量(liang)值,從(cong)平(ping)(ping)衡(heng)轉向不平(ping)(ping)衡(heng)。原來在(zai)平(ping)(ping)衡(heng)狀態下,橋(qiao)臂(bei)中能(neng)互相抵消的(de)(de)(de)電(dian)(dian)(dian)流,不再抵消,出現(xian)了一(yi)(yi)(yi)股新的(de)(de)(de)電(dian)(dian)(dian)流。它能(neng)使(shi)(shi)吸鐵繼電(dian)(dian)(dian)器(qi)(qi)動(dong)作,接(jie)通風扇(shan)和電(dian)(dian)(dian)熱(re)器(qi)(qi)上(shang)的(de)(de)(de)電(dian)(dian)(dian)源,就會(hui)有風吹出來。
二、干手器安裝高度
干(gan)手(shou)器(qi)的安(an)(an)(an)裝高(gao)度一(yi)般(ban)是在1.2m左(zuo)右,離洗(xi)手(shou)臺30-40cm遠。如(ru)果安(an)(an)(an)裝在家中就(jiu)要考慮使(shi)用人群,一(yi)般(ban)家用型(xing)的掛式感(gan)受求可(ke)(ke)以根據家人的平(ping)均身高(gao)來(lai)安(an)(an)(an)裝,如(ru)果有小孩可(ke)(ke)以選擇安(an)(an)(an)裝落地式向上的干(gan)手(shou)器(qi)。
三、干手器有輻射嗎
一般通電的(de)東(dong)西(xi)都會(hui)有電離輻(fu)(fu)射(she)的(de),只是(shi)輻(fu)(fu)射(she)大小(xiao)的(de)問題,干手(shou)器(qi)也是(shi)有輻(fu)(fu)射(she)的(de),不(bu)過不(bu)用(yong)(yong)擔心,畢竟它的(de)體(ti)量并不(bu)大,并且你只是(shi)使用(yong)(yong)不(bu)到半(ban)分(fen)鐘,基(ji)本不(bu)會(hui)被輻(fu)(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量(liang)保障,以(yi)用起(qi)來(lai)舒(shu)適為宜。