固(gu)定式可燃氣體(ti)報(bao)警(jing)器(qi)這(zhe)是(shi)點(dian)型可(ke)燃(ran)氣(qi)體探(tan)測(ce)器(qi)的核心(xin)部(bu)件,傳感器(qi)質(zhi)量的好壞(huai),直(zhi)接(jie)影(ying)響(xiang)到(dao)點型可(ke)燃(ran)氣(qi)體探(tan)測(ce)器(qi)的靈敏度和(he)穩(wen)定性,產品(pin)的使(shi)用(yong)壽(shou)命主要(yao)也取決(jue)於傳感器(qi)的使(shi)用(yong)壽(shou)命,傳感器(qi)可把氣(qi)體(ti)的濃(nong)度信號轉換(huan)成電(dian)信號;
二、變(bian)送單元,從外表(biao)看壹(yi)般是(shi)壹(yi)塊(kuai)或(huo)兩(liang)塊(kuai)電(dian)路(lu)板,把傳感器(qi)輸(shu)出(chu)的電(dian)信號,經放(fang)大處(chu)理(li)轉換(huan)成標準(zhun)的4-20MA電(dian)流(liu)信號,以(yi)便(bian)二次(ci)儀(yi)表(biao)接收(shou)處(chu)理(li)
當(dang)工(gong)業環境(jing)、日常生(sheng)活(huo)環(huan)境(jing)(如(ru)使(shi)用(yong)天然(ran)氣(qi)的廚(chu)房)中(zhong)可(ke)燃(ran)性氣體(ti)發(fa)生(sheng)泄露時(shi),氣體報警(jing)器(qi)檢(jian)測(ce)到(dao)的可燃(ran)性氣體(ti)濃(nong)度達到(dao)報警(jing)器(qi)設置(zhi)的報警(jing)值時(shi),就(jiu)會(hui)發(fa)出(chu)聲(sheng)、光報警(jing)信號,以(yi)提醒(xing)采(cai)取(qu)人員疏(shu)散、強制排(pai)風、關(guan)停設(she)備(bei)等(deng)安(an)全措施(shi)。且(qie)氣體報(bao)警(jing)器(qi)可聯(lian)動(dong)相關(guan)的聯(lian)動(dong)設備(bei)如(ru)在(zai)工(gong)廠生(sheng)產、儲(chu)運中(zhong)發(fa)生(sheng)泄露,可(ke)以(yi)驅動(dong)排(pai)風、切斷(duan)電(dian)源(yuan)、噴淋等(deng)系統,防止發(fa)生(sheng)爆炸(zha)、火災(zai)、中毒(du)事故(gu),從而保(bao)障安(an)全生(sheng)產。經(jing)常用(yong)在(zai)化(hua)工(gong)廠,石(shi)油(you),燃(ran)氣(qi)站,鋼鐵廠等(deng)使(shi)用(yong)或(huo)者(zhe)產(chan)生(sheng)可燃(ran)性氣體(ti)的場(chang)所(suo)。

固(gu)定式可燃氣體(ti)報(bao)警(jing)器(qi)是(shi)壹(yi)種(zhong)安(an)裝(zhuang)在爆(bao)炸(zha)性危險(xian)環(huan)境(jing)的點型氣(qi)體(ti)探(tan)測(ce)設備,它將(jiang)現場(chang)的可燃(ran)氣體(ti)濃(nong)度轉化(hua)成電(dian)信號並傳送至(zhi)位(wei)於安(an)全區的監控(kong)設(she)備(bei),以(yi)達到(dao)監測(ce)現場(chang)可(ke)燃(ran)氣(qi)體濃(nong)度的目(mu)的。在設(she)計(ji)和(he)施(shi)工(gong)過程中,可(ke)燃氣(qi)體探(tan)測(ce)器(qi)應(ying)遵(zun)循(xun)相應(ying)的標準(zhun)和(he)要(yao)求(qiu)。
結實耐用(yong),操作簡便(bian)的智能(neng)型可(ke)燃(ran)氣(qi)體探(tan)測(ce)器(qi),被設(she)計(ji)用(yong)以(yi)檢(jian)測(ce)可燃性烷烴(ting)類氣(qi)體濃(nong)度在爆炸(zha)下(xia)限(xian)0~100%的變化(hua)。這(zhe)種(zhong)探(tan)測(ce)器(qi)使(shi)用(yong)壹(yi)種(zhong)“小型即(ji)插(cha)型可(ke)更(geng)換(huan)”紅(hong)外(wai)線光學傳感器(qi)。紅(hong)外(wai)線傳感器(qi)的特(te)點是(shi)長(chang)時(shi)間(jian)的工(gong)作穩(wen)定性及最(zui)少的階段性維(wei)護。紅(hong)外(wai)線氣(qi)體(ti)傳感器(qi)在某些(xie)測(ce)量環境(jing)下(xia)是(shi)對(dui)於(yu)傳統的催(cui)化燃(ran)燒(shao)式傳感器(qi)的壹(yi)種(zhong)的替代(dai)產品(pin)。