一、電子衡器的工作原理

1、原理圖

Fx → 傳感器 → OP放大 → A/D轉換 → CPU → 顯示驅動

2、工作流程說明

當物體放在秤盤(pan)上時(shi)，壓力施給傳感(gan)器(qi)，該傳感(gan)器(qi)發(fa)(fa)生形變，從而(er)使阻抗發(fa)(fa)生變化，同時(shi)輸(shu)(shu)(shu)出(chu)電壓發(fa)(fa)生變化，輸(shu)(shu)(shu)出(chu)一個變化的模擬信(xin)號(hao)。該信(xin)號(hao)經(jing)放大電路放大輸(shu)(shu)(shu)出(chu)到(dao)模數轉換器(qi)。轉換成便于處理的數字(zi)信(xin)號(hao)輸(shu)(shu)(shu)出(chu)到(dao)CPU運(yun)算控制。CPU根據鍵(jian)盤(pan)命令以及(ji)程序將這種結果輸(shu)(shu)(shu)出(chu)到(dao)顯(xian)(xian)示器(qi)。直至顯(xian)(xian)示這種結果。

該圖片由注冊用戶"秋天的浮萍"提供，版權聲明反饋

二、電子衡器的產品種類

1、汽車衡

汽車衡，是用(yong)于(yu)(yu)化工、商品混凝(ning)土、物(wu)流、港(gang)口、碼(ma)頭(tou)、廠礦、商家等用(yong)于(yu)(yu)大宗貨物(wu)計(ji)量的(de)(de)主(zhu)要稱(cheng)重設備，在(zai)(zai)二(er)十世紀(ji)80年代之前常見的(de)(de)汽車(che)衡一般是利用(yong)杠(gang)桿原理純機械構造的(de)(de)機械式(shi)(shi)(shi)汽車(che)衡，也稱(cheng)作(zuo)機械地(di)磅(bang)。SCS—D8型全(quan)數(shu)字式(shi)(shi)(shi)電子汽車(che)衡采(cai)用(yong)當今世界先進的(de)(de)數(shu)字式(shi)(shi)(shi)稱(cheng)重傳感(gan)器和(he)數(shu)字式(shi)(shi)(shi)稱(cheng)重顯示(shi)儀(yi)而設計(ji)的(de)(de)全(quan)電子模塊(kuai)化汽車(che)衡。數(shu)字式(shi)(shi)(shi)稱(cheng)重傳感(gan)器采(cai)用(yong)數(shu)字技術(shu)，能對溫度(du)系(xi)數(shu)、非線性、滯(zhi)后和(he)蠕變(bian)等進行(xing)自(zi)動數(shu)字化補償.電子地(di)上衡 采(cai)用(yong)全(quan)新設計(ji)的(de)(de)鋼(gang)結(jie)構承(cheng)載器，簡(jian)易(yi)輕(qing)巧，方(fang)便搬運，可直接鋪(pu)設在(zai)(zai)水泥地(di)上，并配(pei)有活動的(de)(de)引坡（選配(pei)），使(shi)(shi)空(kong)間得到充分利用(yong)，配(pei)備四只高精(jing)度(du)剪切梁式(shi)(shi)(shi)稱(cheng)重傳感(gan)器和(he)智能化稱(cheng)重顯示(shi)儀(yi)表組成(cheng)稱(cheng)重系(xi)統。鋼(gang)混臺面（SCS-C3型）從(cong)根本上解決了全(quan)鋼(gang)結(jie)構汽車(che)衡使(shi)(shi)用(yong)過(guo)程中因雨淋日曬，酸堿腐(fu)蝕及結(jie)構的(de)(de)熱脹冷縮而出現秤體(ti)被腐(fu)蝕，使(shi)(shi)用(yong)精(jing)度(du)降低(di)、使(shi)(shi)用(yong)壽命縮短等問題。

2、電子吊秤

電(dian)子吊(diao)(diao)秤(cheng)是使物體處于懸掛狀態進行(xing)其質量（重量）計量的電(dian)子衡器，稱(cheng)之(zhi)為(wei)電(dian)子吊(diao)(diao)秤(cheng)。要求使用(yong)場合必須有電(dian)葫(hu)蘆，一(yi)般用(yong)于鋼鐵廠(chang)、卷板廠(chang)、煉鋼廠(chang)、碼頭等。執行(xing)最(zui)新行(xing)業標準。

3、電子叉車秤

搬運和稱重同時作業的電子秤，特別適用(yong)鐵路、公路、商貿、工礦等物(wu)流作業中的(de)貨物(wu)的(de)稱量。秤臺(tai)由液壓(ya)手動搬運機(ji)構和稱重元件(jian)組(zu)成液壓(ya)驅動秤臺(tai)升(sheng)降(jiang)，人工推行車(che)輛(liang)運行。

4、電子臺秤

有單獨的載荷稱(cheng)重臺和(he)連接立(li)柱安裝稱(cheng)重顯示儀表。

工作(zuo)原理：電(dian)(dian)(dian)(dian)子(zi)(zi)臺(tai)(tai)(tai)(tai)(tai)秤(cheng)是(shi)利用(yong)電(dian)(dian)(dian)(dian)子(zi)(zi)應變(bian)元件受力形變(bian)原理輸出(chu)微小的(de)(de)模擬電(dian)(dian)(dian)(dian)信號，通(tong)過信號電(dian)(dian)(dian)(dian)纜傳(chuan)送給稱(cheng)重(zhong)(zhong)(zhong)(zhong)(zhong)顯(xian)示(shi)(shi)儀表，進行(xing)稱(cheng)重(zhong)(zhong)(zhong)(zhong)(zhong)操作(zuo)和顯(xian)示(shi)(shi)稱(cheng)量(liang)(liang)結果(guo).電(dian)(dian)(dian)(dian)子(zi)(zi)臺(tai)(tai)(tai)(tai)(tai)秤(cheng)有(you)多種顯(xian)示(shi)(shi)方式：數(shu)(shu)碼管(guan)顯(xian)示(shi)(shi)[LED]，液(ye)晶(jing)顯(xian)示(shi)(shi)[LCD]，瑩光顯(xian)示(shi)(shi)[VFD]和液(ye)晶(jing)點振顯(xian)示(shi)(shi)。稱(cheng)臺(tai)(tai)(tai)(tai)(tai)安(an)裝(zhuang)過載(zai)保護裝(zhuang)置，保護稱(cheng)重(zhong)(zhong)(zhong)(zhong)(zhong)傳(chuan)感器(qi)[防止極限過載(zai)]。電(dian)(dian)(dian)(dian)子(zi)(zi)臺(tai)(tai)(tai)(tai)(tai)秤(cheng)的(de)(de)稱(cheng)量(liang)(liang)范圍在30-600公斤(jin)左右。根據(ju)(ju)稱(cheng)重(zhong)(zhong)(zhong)(zhong)(zhong)顯(xian)示(shi)(shi)儀表的(de)(de)型(xing)號不(bu)(bu)同(tong)，電(dian)(dian)(dian)(dian)子(zi)(zi)臺(tai)(tai)(tai)(tai)(tai)秤(cheng)的(de)(de)技(ji)術參(can)數(shu)(shu)和功(gong)(gong)能也有(you)所不(bu)(bu)同(tong)。基本技(ji)術參(can)數(shu)(shu)：最大(da)稱(cheng)量(liang)(liang)Max；最小稱(cheng)量(liang)(liang)Min；檢定分度n=Max/e；分度值e/d；準確度等(deng)級(ji)Ⅲ；額定電(dian)(dian)(dian)(dian)壓AC/DC；產品執行(xing)標準：GB/T 7722-2005等(deng)。電(dian)(dian)(dian)(dian)子(zi)(zi)臺(tai)(tai)(tai)(tai)(tai)秤(cheng)按照國(guo)家標準屬于(yu)中(zhong)準確度等(deng)級(ji)的(de)(de)衡器(qi)。電(dian)(dian)(dian)(dian)子(zi)(zi)臺(tai)(tai)(tai)(tai)(tai)秤(cheng)的(de)(de)功(gong)(gong)能：開(kai)機自動置零，可(ke)以手(shou)工去(qu)皮/置零，交(jiao)流(liu)(liu)/直流(liu)(liu)電(dian)(dian)(dian)(dian)源(yuan)供(gong)電(dian)(dian)(dian)(dian)，數(shu)(shu)字顯(xian)示(shi)(shi)稱(cheng)量(liang)(liang)數(shu)(shu)據(ju)(ju)，還可(ke)以增加重(zhong)(zhong)(zhong)(zhong)(zhong)量(liang)(liang)累計功(gong)(gong)能，計數(shu)(shu)功(gong)(gong)能，檢重(zhong)(zhong)(zhong)(zhong)(zhong)分檢功(gong)(gong)能，動態稱(cheng)重(zhong)(zhong)(zhong)(zhong)(zhong)功(gong)(gong)能，數(shu)(shu)據(ju)(ju)記錄功(gong)(gong)能，控(kong)制報警功(gong)(gong)能。可(ke)以選配輸出(chu)接口：RS-232電(dian)(dian)(dian)(dian)腦接口，打印接口，可(ke)以聯(lian)接大(da)屏(ping)幕顯(xian)示(shi)(shi)器(qi)使之數(shu)(shu)據(ju)(ju)公平(ping)公開(kai)。電(dian)(dian)(dian)(dian)子(zi)(zi)臺(tai)(tai)(tai)(tai)(tai)秤(cheng)稱(cheng)重(zhong)(zhong)(zhong)(zhong)(zhong)準確，精確度高(gao)，反應速(su)度快，使用(yong)方便，稱(cheng)重(zhong)(zhong)(zhong)(zhong)(zhong)數(shu)(shu)據(ju)(ju)顯(xian)示(shi)(shi)直觀醒(xing)目，避免了因為認為的(de)(de)視覺誤差引起的(de)(de)各種誤差。合理利用(yong)稱(cheng)重(zhong)(zhong)(zhong)(zhong)(zhong)軟件可(ke)以實現稱(cheng)重(zhong)(zhong)(zhong)(zhong)(zhong)數(shu)(shu)據(ju)(ju)微機管(guan)理實現科(ke)學計量(liang)(liang)。