一、為什么干手器能自動開關
自動開(kai)(kai)關(guan)是(shi)(shi)指人體紅(hong)(hong)外智能(neng)感(gan)應(ying)開(kai)(kai)關(guan),是(shi)(shi)一(yi)種當有人從紅(hong)(hong)外感(gan)應(ying)探測(ce)區域經過而(er)自動啟動的(de)(de)開(kai)(kai)關(guan)。那么(me)干(gan)(gan)手(shou)器(qi)(qi)原理是(shi)(shi)什(shen)么(me)呢?干(gan)(gan)手(shou)器(qi)(qi)能(neng)自動開(kai)(kai)關(guan)是(shi)(shi)因為在(zai)(zai)干(gan)(gan)手(shou)器(qi)(qi)內(nei)部,安裝了(le)變容(rong)式(shi)自動感(gan)應(ying)電(dian)(dian)(dian)(dian)路(lu),由它(ta)控制著(zhu)一(yi)個(ge)電(dian)(dian)(dian)(dian)橋平(ping)衡(heng)電(dian)(dian)(dian)(dian)路(lu)。電(dian)(dian)(dian)(dian)橋平(ping)衡(heng)電(dian)(dian)(dian)(dian)路(lu)由四(si)部分組成,稱為四(si)個(ge)橋臂。變容(rong)式(shi)自動感(gan)應(ying)電(dian)(dian)(dian)(dian)路(lu)組成了(le)其(qi)中的(de)(de)一(yi)個(ge)橋臂。它(ta)的(de)(de)感(gan)應(ying)部分,安裝在(zai)(zai)干(gan)(gan)手(shou)器(qi)(qi)的(de)(de)出(chu)(chu)風(feng)(feng)(feng)口(kou)處(chu)。當濕(shi)手(shou)在(zai)(zai)風(feng)(feng)(feng)口(kou)下(xia)出(chu)(chu)現時,因為人體是(shi)(shi)導體,也能(neng)形(xing)成電(dian)(dian)(dian)(dian)容(rong),于是(shi)(shi),使(shi)感(gan)應(ying)部分的(de)(de)電(dian)(dian)(dian)(dian)容(rong)量發生(sheng)變化,立即使(shi)電(dian)(dian)(dian)(dian)橋電(dian)(dian)(dian)(dian)路(lu)中的(de)(de)四(si)個(ge)橋臂的(de)(de)量值(zhi),從平(ping)衡(heng)轉(zhuan)向不(bu)(bu)平(ping)衡(heng)。原來在(zai)(zai)平(ping)衡(heng)狀態下(xia),橋臂中能(neng)互相抵(di)消的(de)(de)電(dian)(dian)(dian)(dian)流,不(bu)(bu)再抵(di)消,出(chu)(chu)現了(le)一(yi)股新(xin)的(de)(de)電(dian)(dian)(dian)(dian)流。它(ta)能(neng)使(shi)吸鐵繼電(dian)(dian)(dian)(dian)器(qi)(qi)動作(zuo),接通風(feng)(feng)(feng)扇和(he)電(dian)(dian)(dian)(dian)熱器(qi)(qi)上的(de)(de)電(dian)(dian)(dian)(dian)源,就會有風(feng)(feng)(feng)吹出(chu)(chu)來。
二、干手器安裝高度
干手器(qi)的安裝(zhuang)高(gao)度一(yi)般(ban)是(shi)在(zai)1.2m左右,離洗手臺30-40cm遠(yuan)。如(ru)果安裝(zhuang)在(zai)家中就要考慮使用(yong)人(ren)群,一(yi)般(ban)家用(yong)型的掛(gua)式感受求可以(yi)根據家人(ren)的平均(jun)身高(gao)來安裝(zhuang),如(ru)果有小孩可以(yi)選擇安裝(zhuang)落(luo)地式向上(shang)的干手器(qi)。
三、干手器有輻射嗎
一般通電的東西都會有電離輻(fu)(fu)射的,只是(shi)輻(fu)(fu)射大小(xiao)的問題,干手器也是(shi)有輻(fu)(fu)射的,不(bu)過不(bu)用擔心,畢(bi)竟它的體量并(bing)不(bu)大,并(bing)且你只是(shi)使用不(bu)到半分鐘,基本(ben)不(bu)會被輻(fu)(fu)射所影響。
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保障,以用起來舒適為宜。