SI5000德國IFM流量傳感器優點和缺點介紹 |
點擊次數:327 更新時間:2023-06-19 |
SI5000德(de)國IFM流量傳感器(qi)優點(dian)和(he)缺點(dian)介紹 傳(chuan)感器(qi)分類 1、水流(liu)量傳感器(qi) 水(shui)(shui)流(liu)(liu)量(liang)(liang)傳感器(qi)(qi)主要由銅閥(fa)體、水(shui)(shui)流(liu)(liu)轉(zhuan)(zhuan)子組件(jian)(jian)、穩流(liu)(liu)組件(jian)(jian)和霍(huo)爾元件(jian)(jian)組成。它裝在熱水(shui)(shui)器(qi)(qi)的(de)進水(shui)(shui)端用(yong)(yong)于測量(liang)(liang)進水(shui)(shui)流(liu)(liu)量(liang)(liang)。當水(shui)(shui)流(liu)(liu)過轉(zhuan)(zhuan)子組件(jian)(jian)時,磁性轉(zhuan)(zhuan)子轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong),并且轉(zhuan)(zhuan)速隨著流(liu)(liu)量(liang)(liang)成線性變化(hua)。霍(huo)爾元件(jian)(jian)輸出(chu)相應的(de)脈沖信(xin)號反饋給控制(zhi)器(qi)(qi),由控制(zhi)器(qi)(qi)判斷水(shui)(shui)流(liu)(liu)量(liang)(liang)的(de)大(da)小,調節控制(zhi)比例(li)閥(fa)的(de)電流(liu)(liu),從而通過比例(li)閥(fa)控制(zhi)燃氣氣量(liang)(liang),避免燃氣熱水(shui)(shui)器(qi)(qi)在使用(yong)(yong)過程中(zhong)出(chu)現(xian)夏暖冬涼的(de)現(xian)象。水(shui)(shui)流(liu)(liu)量(liang)(liang)傳感器(qi)(qi)從根本上解決(jue)了壓差(cha)式(shi)水(shui)(shui)氣聯動(dong)(dong)(dong)(dong)閥(fa)啟(qi)(qi)動(dong)(dong)(dong)(dong)水(shui)(shui)壓高以及翻板(ban)式(shi)水(shui)(shui)閥(fa)易誤動(dong)(dong)(dong)(dong)作(zuo)出(chu)現(xian)干燒等缺點。它具(ju)有反映(ying)靈敏、壽命長、動(dong)(dong)(dong)(dong)作(zuo)迅速、安全(quan)可(ke)靠、連接方便(bian)啟(qi)(qi)動(dong)(dong)(dong)(dong)流(liu)(liu)量(liang)(liang)超低(1.5L/min)等優點,深(shen)受(shou)廣大(da)用(yong)(yong)戶喜愛。 2、插入式流量傳感器 插入式(shi)流(liu)(liu)量傳感(gan)器工(gong)作(zuo)原理是基于法拉第電(dian)(dian)(dian)磁感(gan)應(ying)定律。在電(dian)(dian)(dian)磁流(liu)(liu)量傳感(gan)器中(zhong),測量管(guan)內(nei)的導(dao)電(dian)(dian)(dian)介(jie)質相當于法拉第試(shi)驗中(zhong)的導(dao)電(dian)(dian)(dian)金屬(shu)桿,上(shang)下兩端的兩個電(dian)(dian)(dian)磁線(xian)圈產(chan)生(sheng)恒定磁場。當有(you)導(dao)電(dian)(dian)(dian)介(jie)質流(liu)(liu)過時,則(ze)會(hui)產(chan)生(sheng)感(gan)應(ying)電(dian)(dian)(dian)壓。管(guan)道內(nei)部(bu)的兩個電(dian)(dian)(dian)極測量產(chan)生(sheng)的感(gan)應(ying)電(dian)(dian)(dian)壓。測量管(guan)道通(tong)過不導(dao)電(dian)(dian)(dian)的內(nei)襯(橡膠,特氟隆等)實現與流(liu)(liu)體和(he)測量電(dian)(dian)(dian)極的電(dian)(dian)(dian)磁隔(ge)離。 優點和缺點 隨(sui)著流量傳(chuan)感(gan)器的不斷發(fa)展,越來越多類型的流量傳(chuan)感(gan)器在逐步問世(shi),他們各有(you)各的優勢也各有(you)各的缺憾, 流量傳(chuan)感器 1、優點 (1)流(liu)量傳感器(qi)可用來測量工業導電液(ye)體(ti)或漿液(ye)。 (2)無壓(ya)力損失。 (3)測量范(fan)圍大,電磁(ci)流量變送器(qi)的口徑從2.5mm到2.6m。 (4)流量傳感(gan)器測量被測流體工作狀態下的體積流量,測量原理中不涉及流體的溫度(du)(du)、壓(ya)力、密度(du)(du)和(he)粘(zhan)度(du)(du)的影響(xiang)。 2、缺點(dian) (1)流量傳感器的應用(yong)有一(yi)定局(ju)限性,它(ta)只能(neng)測(ce)量導(dao)電介質的液體(ti)流量,不能(neng)測(ce)量非導(dao)電介質的流量,例如氣體(ti),酒精等不導(dao)電液體(ti)等 (2)流量傳感器用來測量帶有(you)污垢的粘(zhan)性液體時,粘(zhan)性物或沉(chen)淀物附(fu)著在測量管(guan)內壁或電極(ji)上,使變(bian)送器輸出電勢變(bian)化,帶來測量誤差,電極(ji)上污垢物達到一定厚度,可能導致儀(yi)表無法測量。 上一篇:美國阿斯卡ASCO電磁閥特點及故障處理 下一篇:IFM流量傳感器監控器SI5000功能介紹 |