一、為什么干手器能自動開關
自(zi)動開關(guan)是(shi)指人(ren)(ren)體紅(hong)外智(zhi)能(neng)感應(ying)開關(guan),是(shi)一種當有人(ren)(ren)從紅(hong)外感應(ying)探測區(qu)域經(jing)過而自(zi)動啟(qi)動的開關(guan)。那么干(gan)(gan)手(shou)(shou)器(qi)(qi)原理(li)是(shi)什么呢?干(gan)(gan)手(shou)(shou)器(qi)(qi)能(neng)自(zi)動開關(guan)是(shi)因(yin)(yin)為(wei)在(zai)干(gan)(gan)手(shou)(shou)器(qi)(qi)內部,安裝了(le)變容(rong)式(shi)自(zi)動感應(ying)電(dian)(dian)(dian)(dian)(dian)路,由它(ta)(ta)控制著(zhu)一個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)橋平(ping)衡(heng)電(dian)(dian)(dian)(dian)(dian)路。電(dian)(dian)(dian)(dian)(dian)橋平(ping)衡(heng)電(dian)(dian)(dian)(dian)(dian)路由四(si)部分(fen)組成,稱(cheng)為(wei)四(si)個(ge)(ge)橋臂。變容(rong)式(shi)自(zi)動感應(ying)電(dian)(dian)(dian)(dian)(dian)路組成了(le)其中的一個(ge)(ge)橋臂。它(ta)(ta)的感應(ying)部分(fen),安裝在(zai)干(gan)(gan)手(shou)(shou)器(qi)(qi)的出(chu)風(feng)口處。當濕手(shou)(shou)在(zai)風(feng)口下(xia)出(chu)現時,因(yin)(yin)為(wei)人(ren)(ren)體是(shi)導體,也能(neng)形成電(dian)(dian)(dian)(dian)(dian)容(rong),于是(shi),使感應(ying)部分(fen)的電(dian)(dian)(dian)(dian)(dian)容(rong)量發生變化,立即使電(dian)(dian)(dian)(dian)(dian)橋電(dian)(dian)(dian)(dian)(dian)路中的四(si)個(ge)(ge)橋臂的量值,從平(ping)衡(heng)轉(zhuan)向不平(ping)衡(heng)。原來(lai)(lai)在(zai)平(ping)衡(heng)狀態下(xia),橋臂中能(neng)互相抵(di)消的電(dian)(dian)(dian)(dian)(dian)流(liu),不再抵(di)消,出(chu)現了(le)一股新的電(dian)(dian)(dian)(dian)(dian)流(liu)。它(ta)(ta)能(neng)使吸鐵(tie)繼電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)動作,接(jie)通風(feng)扇和電(dian)(dian)(dian)(dian)(dian)熱器(qi)(qi)上的電(dian)(dian)(dian)(dian)(dian)源,就會有風(feng)吹出(chu)來(lai)(lai)。
二、干手器安裝高度
干手器(qi)的安裝(zhuang)(zhuang)(zhuang)高(gao)度一般是在(zai)1.2m左右,離洗手臺30-40cm遠。如(ru)果(guo)安裝(zhuang)(zhuang)(zhuang)在(zai)家(jia)中就要考慮使用(yong)人群(qun),一般家(jia)用(yong)型(xing)的掛式感(gan)受(shou)求可以根據家(jia)人的平(ping)均身高(gao)來安裝(zhuang)(zhuang)(zhuang),如(ru)果(guo)有(you)小孩可以選擇安裝(zhuang)(zhuang)(zhuang)落地式向上(shang)的干手器(qi)。
三、干手器有輻射嗎
一般(ban)通電的(de)東西(xi)都會(hui)有(you)電離輻(fu)射(she)的(de),只是輻(fu)射(she)大小的(de)問題,干手器也(ye)是有(you)輻(fu)射(she)的(de),不(bu)過不(bu)用擔(dan)心,畢(bi)竟它的(de)體量并(bing)不(bu)大,并(bing)且你只是使用不(bu)到半分鐘,基本(ben)不(bu)會(hui)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(yao)有(you)質(zhi)量(liang)保(bao)障(zhang),以用起來舒適為宜。