1、重量傳感器(qi)結構組成(cheng) (下簡(jian)稱儀表)、稱重傳感(gan)器(qi)(qi)(下簡(jian)稱傳感(gan)器(qi)(qi))、連(lian)接件、限位(wei)裝置及(ji)接線盒等(deng)零部件組成(cheng),還可(ke)以選(xuan)配打(da)印(yin)大屏幕(mu)顯示器(qi)(qi)、計算機和穩壓電源等(deng)外部設備。
2、重量傳感器工作(zuo)原理(li) 被稱(cheng)重(zhong)物或載(zai)(zai)重(zhong)汽車置(zhi)(zhi)于承(cheng)載(zai)(zai)器臺面上,在(zai)重(zhong)力(li)作(zuo)用下,通(tong)過承(cheng)載(zai)(zai)器將(jiang)(jiang)重(zhong)力(li)傳遞至(zhi)稱(cheng)重(zhong)傳感器,使稱(cheng)重(zhong)傳感器彈(dan)性(xing)(xing)(xing)體(ti)產生變(bian)(bian)形,貼附于彈(dan)性(xing)(xing)(xing)體(ti)上的應變(bian)(bian)計(ji)(ji)(ji)橋路失去平(ping)衡(heng)(heng),輸(shu)出與(yu)重(zhong)量(liang)數(shu)(shu)值成正比例的電信(xin)號(hao),經線性(xing)(xing)(xing)放大器將(jiang)(jiang)信(xin)號(hao)放大。再(zai)經A/D轉換為數(shu)(shu)字信(xin)號(hao),由儀表的微(wei)處理(li)機(ji)(ji)(CPU)對重(zhong)量(liang)信(xin)號(hao)進行(xing)(xing)處理(li)后直(zhi)接(jie)顯示重(zhong)量(liang)數(shu)(shu)據。配置(zhi)(zhi)打印機(ji)(ji)后,即可(ke)打印記(ji)錄(lu)稱(cheng)重(zhong)數(shu)(shu)據,如(ru)果配置(zhi)(zhi)計(ji)(ji)(ji)算機(ji)(ji)可(ke)將(jiang)(jiang)計(ji)(ji)(ji)量(liang)數(shu)(shu)據輸(shu)入計(ji)(ji)(ji)算機(ji)(ji)管理(li)系統進行(xing)(xing)綜(zong)合管理(li)。 在(zai)稱(cheng)重(zhong)傳感器的彈(dan)性(xing)(xing)(xing)體(ti)上粘貼有應變(bian)(bian)計(ji)(ji)(ji),組(zu)成惠斯登電橋。在(zai)無負(fu)荷(he)時(shi),電橋處于平(ping)衡(heng)(heng)狀態,輸(shu)出為零。當彈(dan)性(xing)(xing)(xing)體(ti)承(cheng)受(shou)載(zai)(zai)荷(he)時(shi),各應變(bian)(bian)計(ji)(ji)(ji)隨之產生與(yu)載(zai)(zai)荷(he)成比例的應變(bian)(bian),由輸(shu)出電壓即可(ke)測(ce)出外載(zai)(zai)重(zhong)量(liang),通(tong)過儀表的通(tong)訊接(jie)口可(ke)以與(yu)上位機(ji)(ji)連接(jie)。
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