紅外線報警器簡介
紅(hong)外(wai)報(bao)警(jing)器(qi)分(fen)主(zhu)動(dong)式(shi)和(he)被(bei)動(dong)式(shi)兩(liang)種(zhong)。主(zhu)動(dong)式(shi)紅(hong)外(wai)線(xian)報(bao)警(jing)器(qi),是(shi)報(bao)警(jing)器(qi)主(zhu)動(dong)發(fa)出(chu)紅(hong)外(wai)線(xian),紅(hong)外(wai)線(xian)碰(peng)到(dao)障(zhang)礙(ai)物(wu),就(jiu)會(hui)反(fan)彈(dan)回(hui)來(lai),被(bei)報(bao)警(jing)器(qi)的(de)探(tan)頭(tou)接(jie)收(shou)。如(ru)果(guo)探(tan)頭(tou)監(jian)測(ce)到(dao),紅(hong)外(wai)線(xian)是(shi)靜(jing)止(zhi)不(bu)動(dong)的(de),也(ye)就(jiu)是(shi)不(bu)斷(duan)發(fa)出(chu)紅(hong)線(xian)線(xian)又(you)不(bu)斷(duan)反(fan)彈(dan)的(de),那(na)麼(me)報(bao)警(jing)器(qi)就(jiu)不(bu)會(hui)報(bao)警(jing)。當(dang)有(you)會(hui)動(dong)的(de)物(wu)體(ti)觸(chu)犯(fan)了(le)這(zhe)根(gen)看(kan)不(bu)見(jian)的(de)紅(hong)線(xian)的(de)時(shi)候(hou),探(tan)頭(tou)就(jiu)會(hui)檢(jian)測(ce)到(dao)有(you)異(yi)常(chang),就(jiu)會(hui)報(bao)警(jing)。
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