一、電子皮帶秤主要由什么組成
1、稱重橋架
稱(cheng)重橋架又(you)稱(cheng)承載器,主要作(zuo)用(yong)有兩個。第一是稱(cheng)重臺的作(zuo)用(yong),用(yong)于安裝稱(cheng)重傳(chuan)感(gan)器。第二是傳(chuan)輸支(zhi)架的作(zuo)用(yong),用(yong)于將物料(liao)的載荷通過皮(pi)帶、稱(cheng)重托(tuo)輥、秤架傳(chuan)遞(di)到稱(cheng)重傳(chuan)感(gan)器上。
2、稱重傳感器
稱重傳(chuan)感器的(de)(de)(de)作用是(shi)完成稱重信號到(dao)電信號(mV)的(de)(de)(de)轉換,目前在皮帶(dai)秤(cheng)上使用較多的(de)(de)(de)是(shi)S型(xing)和(he)懸臂梁式稱重傳(chuan)感器。
3、速度傳感器
速(su)度傳(chuan)感(gan)器(qi)(qi)完成(cheng)對皮(pi)帶速(su)度的(de)測量,將皮(pi)帶的(de)轉速(su)信(xin)號(hao)轉換(huan)成(cheng)電(dian)(dian)信(xin)號(hao)(電(dian)(dian)壓或脈(mo)(mo)沖(chong)(chong)),測速(su)傳(chuan)感(gan)器(qi)(qi)主要有模(mo)擬式測速(su)發電(dian)(dian)機式、磁阻脈(mo)(mo)沖(chong)(chong)式、光電(dian)(dian)脈(mo)(mo)沖(chong)(chong)式三類。目前,模(mo)擬式測速(su)發電(dian)(dian)機式測速(su)傳(chuan)感(gan)器(qi)(qi)的(de)應用逐漸在(zai)減少,取而(er)代(dai)之的(de)是上述(shu)兩種(zhong)輸出脈(mo)(mo)沖(chong)(chong)信(xin)號(hao)的(de)數(shu)字式測速(su)傳(chuan)感(gan)器(qi)(qi)。
4、積算器
積算器又(you)稱(cheng)二次儀(yi)表,用(yong)來將重量(liang)信(xin)號(hao)和速度信(xin)號(hao)進(jin)行積分,從而獲得瞬時流量(liang)和累積量(liang),并(bing)可根(gen)據設定目(mu)標輸出控制信(xin)號(hao),如根(gen)據設定流量(liang)輸出4~20mADC電流調(diao)節(jie)信(xin)號(hao)或者(zhe)根(gen)據載荷情況輸出開關量(liang)報警信(xin)號(hao)。
5、稱重顯示器
稱重顯示器(qi)是電子(zi)皮(pi)帶秤的輸出裝置,用于顯示測量(liang)結果(guo)。它(ta)可以顯示瞬時流量(liang)和(he)累積流量(liang),并具有(you)自動調(diao)零(ling)、自檢故障、數字(zi)標定等(deng)功能(neng)。
二、電子皮帶秤的工作原理
電子皮帶秤的(de)(de)(de)工作原理是基于(yu)(yu)物料(liao)(liao)(liao)在(zai)皮帶(dai)輸(shu)送(song)過(guo)(guo)程中的(de)(de)(de)動(dong)態稱(cheng)(cheng)重(zhong)(zhong)(zhong)而實現的(de)(de)(de),物料(liao)(liao)(liao)被(bei)置于(yu)(yu)傳(chuan)(chuan)(chuan)(chuan)送(song)帶(dai)上(shang),由傳(chuan)(chuan)(chuan)(chuan)送(song)帶(dai)輸(shu)送(song)。傳(chuan)(chuan)(chuan)(chuan)送(song)帶(dai)的(de)(de)(de)速度通(tong)常(chang)是恒(heng)定的(de)(de)(de),這是確保稱(cheng)(cheng)重(zhong)(zhong)(zhong)過(guo)(guo)程的(de)(de)(de)穩定性(xing),避免出(chu)現誤差,傳(chuan)(chuan)(chuan)(chuan)送(song)帶(dai)上(shang)的(de)(de)(de)物料(liao)(liao)(liao)經過(guo)(guo)稱(cheng)(cheng)重(zhong)(zhong)(zhong)橋架時,稱(cheng)(cheng)重(zhong)(zhong)(zhong)橋架上(shang)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)會(hui)測(ce)量物料(liao)(liao)(liao)的(de)(de)(de)重(zhong)(zhong)(zhong)量。這稱(cheng)(cheng)重(zhong)(zhong)(zhong)橋架正是電子(zi)皮帶(dai)秤的(de)(de)(de)核心(xin)部件,通(tong)常(chang)安(an)裝在(zai)輸(shu)送(song)帶(dai)的(de)(de)(de)中間位置,一般會(hui)有多個稱(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi),用(yong)于(yu)(yu)檢測(ce)物料(liao)(liao)(liao)的(de)(de)(de)重(zhong)(zhong)(zhong)量。傳(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)將檢測(ce)到的(de)(de)(de)重(zhong)(zhong)(zhong)量信號(hao)(hao)轉化為電信號(hao)(hao),傳(chuan)(chuan)(chuan)(chuan)送(song)至(zhi)處(chu)理單元,同(tong)時在(zai)傳(chuan)(chuan)(chuan)(chuan)送(song)帶(dai)的(de)(de)(de)一端安(an)裝有速度傳(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)。最(zui)終(zhong),通(tong)過(guo)(guo)速度傳(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)提供的(de)(de)(de)信號(hao)(hao)與(yu)重(zhong)(zhong)(zhong)量信號(hao)(hao)結(jie)合,就(jiu)可(ke)以(yi)(yi)計算(suan)出(chu)單位時間內(nei)通(tong)過(guo)(guo)的(de)(de)(de)物料(liao)(liao)(liao)重(zhong)(zhong)(zhong)量。后續,處(chu)理單元會(hui)將計算(suan)結(jie)果(guo)以(yi)(yi)數字形式顯示出(chu)來,并可(ke)通(tong)過(guo)(guo)數據(ju)接口傳(chuan)(chuan)(chuan)(chuan)輸(shu)至(zhi)中央控制(zhi)系統(tong)或存(cun)儲設備,實現數據(ju)的(de)(de)(de)記(ji)錄和分析。