基坑式(shi)汽(qi)車(che)衡(heng)兩(liang)(liang)側(ce)無陡坡，衡(heng)及路面(mian)平整，面(mian)積相對節省。在適當的(de)(de)區域選擇狹窄的(de)(de)地方。在路面(mian)的(de)(de)尺(chi)度下，必須做(zuo)好排水管道的(de)(de)對策。地面(mian)式(shi)汽(qi)車(che)衡(heng)放置在兩(liang)(liang)邊陡坡的(de)(de)道路上，看起來(lai)像一座橋。路橋上的(de)(de)秤，一般不(bu)容易泡茶(cha)，幫助(zhu)自(zi)然通風，不(bu)易生銹。另外，由(you)于兩(liang)(liang)側(ce)有(you)陡坡，車(che)輛(liang)在地磅的(de)(de)情(qing)況下一定(ding)(ding)要(yao)緩慢行駛，防止(zhi)急轉彎，這樣才不(bu)會損(sun)壞(huai)傳(chuan)感器。自(zi)動化(hua)電(dian)(dian)子(zi)汽(qi)車(che)衡(heng)主要(yao)由(you)傳(chuan)感器、稱(cheng)重(zhong)(zhong)平臺(tai)臺(tai)面(mian)、外觀、接線(xian)盒、數據(ju)線(xian)、這幾(ji)部分(fen)組成，地磅電(dian)(dian)子(zi)汽(qi)車(che)衡(heng)，讀取稱(cheng)重(zhong)(zhong)數字的(de)(de)部分(fen)部磅后稱(cheng)重(zhong)(zhong)外觀。自(zi)動化(hua)電(dian)(dian)子(zi)汽(qi)車(che)衡(heng)是一種(zhong)新(xin)型的(de)(de)稱(cheng)重(zhong)(zhong)管理模式(shi)，合肥電(dian)(dian)子(zi)汽(qi)車(che)衡(heng)，使用(yong)這種(zhong)模式(shi)，可(ke)以(yi)實現“無人(ren)(ren)值守、無文件轉移、遠(yuan)程監控、自(zi)動檢(jian)斤”，電(dian)(dian)子(zi)汽(qi)車(che)衡(heng)檢(jian)定(ding)(ding)規程，可(ke)以(yi)完全(quan)切斷稱(cheng)重(zhong)(zhong)現場人(ren)(ren)員(yuan)的(de)(de)接觸，增加(jia)了稱(cheng)重(zhong)(zhong)管理的(de)(de)可(ke)靠性，并使稱(cheng)重(zhong)(zhong)過程時間(jian)大(da)大(da)縮短(duan)。電(dian)(dian)子(zi)汽(qi)車(che)衡(heng)在檢(jian)定(ding)(ding)時由(you)于配(pei)備的(de)(de)標準器及相關配(pei)套設備，沉重(zhong)(zhong)、繁(fan)雜、龐大(da)，且不(bu)同生產廠(chang)家(jia)的(de)(de)技術人(ren)(ren)員(yuan)、計(ji)量部門的(de)(de)檢(jian)定(ding)(ding)、修理人(ren)(ren)員(yuan)及使用(yong)維護人(ren)(ren)員(yuan)所處的(de)(de)情(qing)況千差萬別，技術知識水平亦參差不(bu)齊。

電(dian)(dian)子汽(qi)車(che)衡作為(wei)一種(zhong)方便(bian)(bian)快捷、準確可(ke)靠(kao)的(de)計量器(qi)(qi)(qi)具，主(zhu)(zhu)要(yao)包含(han)固定(ding)(ding)式(shi)電(dian)(dian)子汽(qi)車(che)衡、固定(ding)(ding)式(shi)軸重(zhong)(zhong)(zhong)秤(cheng)(cheng)、便(bian)(bian)攜式(shi)地磅三種(zhong)。固定(ding)(ding)式(shi)電(dian)(dian)子汽(qi)車(che)衡主(zhu)(zhu)要(yao)由(you)(you)秤(cheng)(cheng)體(ti)、稱(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)、顯(xian)示儀(yi)表、基(ji)(ji)坑組成(cheng)(cheng)。工(gong)作原(yuan)理：稱(cheng)重(zhong)(zhong)(zhong)車(che)輛的(de)重(zhong)(zhong)(zhong)量通過(guo)稱(cheng)臺(tai)傳(chuan)(chuan)(chuan)(chuan)(chuan)遞到(dao)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)，稱(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)多為(wei)橋式(shi)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)和(he)剪切懸(xuan)臂梁式(shi)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)，傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)受(shou)力(li)(li)將重(zhong)(zhong)(zhong)量信(xin)號(hao)(hao)傳(chuan)(chuan)(chuan)(chuan)(chuan)遞到(dao)顯(xian)示儀(yi)表，經儀(yi)表處理后顯(xian)示重(zhong)(zhong)(zhong)量。基(ji)(ji)礎形式(shi)由(you)(you)淺基(ji)(ji)坑和(he)無基(ji)(ji)坑兩種(zhong)，由(you)(you)鋼筋和(he)混凝(ning)土制成(cheng)(cheng)。主(zhu)(zhu)要(yao)優點：采用整車(che)計量，稱(cheng)量精(jing)度高，可(ke)用于(yu)(yu)(yu)貿易(yi)結算(suan)，工(gong)藝(yi)成(cheng)(cheng)熟，品(pin)種(zhong)齊(qi)全。缺(que)點：不可(ke)動態稱(cheng)量，體(ti)積大、重(zhong)(zhong)(zhong)，需要(yao)基(ji)(ji)坑及坡道(dao)，移動不便(bian)(bian)，成(cheng)(cheng)本高。電(dian)(dian)子汽(qi)車(che)衡的(de)工(gong)作原(yuan)理：被(bei)稱(cheng)重(zhong)(zhong)(zhong)物(wu)或(huo)載(zai)重(zhong)(zhong)(zhong)汽(qi)車(che)置(zhi)于(yu)(yu)(yu)承(cheng)載(zai)器(qi)(qi)(qi)臺(tai)面上(shang)(shang)，在重(zhong)(zhong)(zhong)力(li)(li)作用下，通過(guo)承(cheng)載(zai)器(qi)(qi)(qi)將重(zhong)(zhong)(zhong)力(li)(li)傳(chuan)(chuan)(chuan)(chuan)(chuan)遞至稱(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)，使(shi)稱(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)彈(dan)(dan)性體(ti)產(chan)生(sheng)變(bian)形，貼(tie)(tie)附于(yu)(yu)(yu)彈(dan)(dan)性體(ti)上(shang)(shang)的(de)應(ying)變(bian)計橋路失(shi)去平衡，輸(shu)出(chu)與重(zhong)(zhong)(zhong)量數(shu)值(zhi)成(cheng)(cheng)正比(bi)(bi)例的(de)電(dian)(dian)信(xin)號(hao)(hao)，經線性放(fang)大器(qi)(qi)(qi)將信(xin)號(hao)(hao)放(fang)大，再(zai)經A/D轉換(huan)為(wei)數(shu)字信(xin)號(hao)(hao)，由(you)(you)儀(yi)表的(de)微處理機（CPU）對(dui)重(zhong)(zhong)(zhong)量信(xin)號(hao)(hao)進行處理后直接顯(xian)示重(zhong)(zhong)(zhong)量數(shu)據。電(dian)(dian)子汽(qi)車(che)衡利(li)用應(ying)變(bian)電(dian)(dian)測(ce)原(yuan)理稱(cheng)重(zhong)(zhong)(zhong)。電(dian)(dian)子汽(qi)車(che)衡在稱(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)的(de)彈(dan)(dan)性體(ti)上(shang)(shang)粘(zhan)貼(tie)(tie)有應(ying)變(bian)計，組成(cheng)(cheng)惠(hui)斯登電(dian)(dian)橋。在無負荷(he)時，電(dian)(dian)橋處于(yu)(yu)(yu)平衡狀態，輸(shu)出(chu)為(wei)零。當彈(dan)(dan)性體(ti)承(cheng)受(shou)載(zai)荷(he)時，各(ge)應(ying)變(bian)計隨(sui)之產(chan)生(sheng)與載(zai)荷(he)成(cheng)(cheng)比(bi)(bi)例的(de)應(ying)變(bian)，由(you)(you)輸(shu)出(chu)電(dian)(dian)壓即可(ke)測(ce)出(chu)外加載(zai)。

與傳(chuan)(chuan)統的(de)(de)(de)機械式稱(cheng)(cheng)重(zhong)(zhong)(zhong)(zhong)儀表(biao)和(he)(he)其他地面(mian)(mian)稱(cheng)(cheng)重(zhong)(zhong)(zhong)(zhong)儀表(biao)相比(bi)，具有稱(cheng)(cheng)重(zhong)(zhong)(zhong)(zhong)速度(du)快、精(jing)度(du)高(gao)、靈敏度(du)高(gao)、數顯、直觀易讀、穩(wen)定(ding)性(xing)強、可(ke)(ke)靠(kao)(kao)性(xing)高(gao)、使用(yong)壽命(ming)長等(deng)(deng)優(you)點(dian)。特別是在(zai)危險、惡劣的(de)(de)(de)環境中(zhong)，更能體(ti)現電(dian)子衡(heng)器(qi)的(de)(de)(de)作(zuo)(zuo)用(yong)。整個自(zi)動(dong)稱(cheng)(cheng)重(zhong)(zhong)(zhong)(zhong)系(xi)(xi)統具有的(de)(de)(de)高(gao)精(jing)度(du)傳(chuan)(chuan)感器(qi)和(he)(he)智能儀表(biao)顯示。該(gai)儀器(qi)具有靈敏度(du)高(gao)、分辨率高(gao)、穩(wen)定(ding)性(xing)和(he)(he)可(ke)(ke)靠(kao)(kao)性(xing)好、易于打印等(deng)(deng)優(you)點(dian)。如果稱(cheng)(cheng)重(zhong)(zhong)(zhong)(zhong)管理(li)(li)系(xi)(xi)統由計(ji)算機和(he)(he)稱(cheng)(cheng)重(zhong)(zhong)(zhong)(zhong)軟件組成(cheng)，還可(ke)(ke)以(yi)實現稱(cheng)(cheng)重(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)遠程傳(chuan)(chuan)輸和(he)(he)集中(zhong)自(zi)動(dong)管理(li)(li)。固(gu)(gu)定(ding)式軸(zhou)(zhou)重(zhong)(zhong)(zhong)(zhong)秤，電(dian)子汽(qi)車(che)衡(heng)收費標準，原(yuan)理(li)(li)跟(gen)固(gu)(gu)定(ding)式電(dian)子汽(qi)車(che)衡(heng)基本相同。但固(gu)(gu)定(ding)式軸(zhou)(zhou)重(zhong)(zhong)(zhong)(zhong)秤每次稱(cheng)(cheng)量(liang)(liang)的(de)(de)(de)是汽(qi)車(che)各(ge)軸(zhou)(zhou)重(zhong)(zhong)(zhong)(zhong)量(liang)(liang)，通過(guo)累(lei)加獲得整車(che)重(zhong)(zhong)(zhong)(zhong)量(liang)(liang)。可(ke)(ke)以(yi)采用(yong)動(dong)態和(he)(he)靜態兩種稱(cheng)(cheng)量(liang)(liang)方式。優(you)點(dian)：可(ke)(ke)以(yi)滿足各(ge)類汽(qi)車(che)軸(zhou)(zhou)重(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)需(xu)求，結(jie)構輕(qing)小(xiao)，便于運輸、安(an)裝調試。缺點(dian)：動(dong)態受車(che)速、車(che)型(xing)、路(lu)面(mian)(mian)狀況(kuang)等(deng)(deng)情況(kuang)的(de)(de)(de)影響，精(jing)度(du)較(jiao)低；靜態稱(cheng)(cheng)量(liang)(liang)過(guo)程繁瑣，時間太長。電(dian)子汽(qi)車(che)衡(heng)的(de)(de)(de)工(gong)作(zuo)(zuo)原(yuan)理(li)(li)：被稱(cheng)(cheng)重(zhong)(zhong)(zhong)(zhong)物或載重(zhong)(zhong)(zhong)(zhong)汽(qi)車(che)置于承(cheng)載器(qi)臺面(mian)(mian)上，在(zai)重(zhong)(zhong)(zhong)(zhong)力(li)作(zuo)(zuo)用(yong)下，通過(guo)承(cheng)載器(qi)將重(zhong)(zhong)(zhong)(zhong)力(li)傳(chuan)(chuan)遞至(zhi)稱(cheng)(cheng)重(zhong)(zhong)(zhong)(zhong)傳(chuan)(chuan)感器(qi)，使稱(cheng)(cheng)重(zhong)(zhong)(zhong)(zhong)傳(chuan)(chuan)感器(qi)彈性(xing)體(ti)產生變形，貼附(fu)于彈性(xing)體(ti)上的(de)(de)(de)應變計(ji)橋路(lu)失(shi)去平衡(heng)，輸出與重(zhong)(zhong)(zhong)(zhong)量(liang)(liang)數值成(cheng)正(zheng)比(bi)例的(de)(de)(de)電(dian)信(xin)號，經(jing)線(xian)性(xing)放(fang)大(da)器(qi)將信(xin)號放(fang)大(da)，再經(jing)A/D轉換(huan)為數字(zi)信(xin)號，由儀表(biao)的(de)(de)(de)微處理(li)(li)機（CPU）對重(zhong)(zhong)(zhong)(zhong)量(liang)(liang)信(xin)號進行處理(li)(li)后直接顯示重(zhong)(zhong)(zhong)(zhong)量(liang)(liang)數據(ju)。