【ic卡智能(neng)燃氣表(biao)(biao)】ic卡燃氣表(biao)(biao)工作原理 ic卡智能(neng)燃氣表(biao)(biao)功能(neng)

ic卡燃氣表工作原理

首先由IC卡從燃氣銷售部(bu)門(men)購入(ru)一個(ge)預(yu)購氣(qi)(qi)(qi)(qi)(qi)量(liang)，然后經(jing)過密碼(ma)校驗后寫入(ru)燃(ran)氣(qi)(qi)(qi)(qi)(qi)表內(nei)相(xiang)應存儲區。通過干簧管(guan)來控制(zhi)用(yong)(yong)(yong)氣(qi)(qi)(qi)(qi)(qi)情況,用(yong)(yong)(yong)戶(hu)用(yong)(yong)(yong)氣(qi)(qi)(qi)(qi)(qi)時(shi)，閥(fa)門(men)打開，干簧管(guan)每旋轉一圈，產生一個(ge)減(jian)數電(dian)脈沖，預(yu)購氣(qi)(qi)(qi)(qi)(qi)量(liang)自動減(jian)去一個(ge)基(ji)本(ben)計量(liang)單位(0.01升)。當預(yu)購氣(qi)(qi)(qi)(qi)(qi)量(liang)到達(da)設定(ding)值時(shi)，峰(feng)鳴器報警，并顯示預(yu)購氣(qi)(qi)(qi)(qi)(qi)量(liang)不足代(dai)碼(ma)03，關閥(fa)一次(ci)，提示用(yong)(yong)(yong)戶(hu)購氣(qi)(qi)(qi)(qi)(qi)。同(tong)時(shi)根據相(xiang)關條(tiao)件決定(ding)氣(qi)(qi)(qi)(qi)(qi)閥(fa)的開和關來控制(zhi)用(yong)(yong)(yong)戶(hu)用(yong)(yong)(yong)氣(qi)(qi)(qi)(qi)(qi)，并對用(yong)(yong)(yong)氣(qi)(qi)(qi)(qi)(qi)量(liang)進行累積。

ic卡智能燃氣表功能

(1)開機(ji)檢測功能:系統在(zai)斷電復(fu)位(wei)后,應能根據上(shang)次保存(cun)的數據，以及當前的狀態(如電壓、磁場等)，決定是否開閥。

(2)掉電數據(ju)存儲功能:在外置電源供電突然停止的(de)情況(kuang)下應完整(zheng)無誤的(de)將一些(xie)重(zhong)要(yao)數據(ju)保存下來,以(yi)便系(xi)統(tong)復位后,能重(zhong)新調入重(zhong)要(yao)數據(ju)。

(3)低電(dian)(dian)壓檢測(ce)功(gong)能(neng):由于本燃氣表是(shi)用電(dian)(dian)池(chi)(chi)供電(dian)(dian),故電(dian)(dian)壓檢測(ce)功(gong)能(neng)必(bi)不可少(shao),當電(dian)(dian)壓下降(jiang)至某一(yi)值時,系統(tong)應能(neng)感(gan)知,并(bing)提(ti)示(shi)用戶更換電(dian)(dian)池(chi)(chi);系統(tong)自動關閉閥門。

(4)強磁場(chang)干擾檢測功(gong)能:當外界有強磁場(chang)干擾,企圖(tu)影響燃氣控制器正確計量時(shi),系統應能自動(dong)關閉(bi)閥門。

(5)電(dian)關閥(fa)功(gong)能:受控閥(fa)門在外置電(dian)源供電(dian)突然停止的瞬間(jian)應有充(chong)分的電(dian)能關閉閥(fa)門。

(6)報警顯(xian)示功能:當(dang)剩余氣量不足(zu)、欠壓和有故(gu)障時(shi),應(ying)能聲音報警,屏幕顯(xian)示。

(7)讀寫IC卡功(gong)能:應(ying)能正確(que)無誤(wu)的讀寫IC卡。

(8)正(zheng)確計量功(gong)能(neng):準確計量,并(bing)且具(ju)有累(lei)積使用量統計功(gong)能(neng)。