呼中便攜式汽車衡*漠河稱重模塊

1、顯(xian)示(shi)(shi)器(qi)(qi)(qi)(qi)無(wu)顯(xian)示(shi)(shi)故(gu)(gu)(gu)障(zhang)(zhang)分(fen)(fen)(fen)析(xi)：顯(xian)示(shi)(shi)器(qi)(qi)(qi)(qi)質量窗全暗，但狀(zhuang)態燈亮。解(jie)決(jue)(jue)(jue)方式(shi)：首先檢查電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)插(cha)頭是(shi)(shi)否插(cha)牢，保險(xian)絲是(shi)(shi)否熔斷，電(dian)(dian)(dian)(dian)(dian)纜連線(xian)(xian)有(you)無(wu)斷線(xian)(xian)，檢查傳(chuan)感(gan)器(qi)(qi)(qi)(qi)輸(shu)入、輸(shu)出(chu)阻值是(shi)(shi)否符合要(yao)求。若線(xian)(xian)盒(he)(he)(he)信(xin)號(hao)線(xian)(xian)斷焊(han)，用(yong)酒精擦洗，重(zhong)(zhong)新焊(han)接(jie)(jie)，系(xi)統恢復正(zheng)常(chang)。2、電(dian)(dian)(dian)(dian)(dian)子(zi)地(di)(di)磅(bang)(bang)稱(cheng)重(zhong)(zhong)儀(yi)表上(shang)稱(cheng)重(zhong)(zhong)數據故(gu)(gu)(gu)障(zhang)(zhang)分(fen)(fen)(fen)析(xi)：絕大數情況下(xia)是(shi)(shi)電(dian)(dian)(dian)(dian)(dian)子(zi)地(di)(di)磅(bang)(bang)接(jie)(jie)線(xian)(xian)盒(he)(he)(he)進水或(huo)有(you)潮氣(qi)解(jie)決(jue)(jue)(jue)方式(shi)：把(ba)接(jie)(jie)線(xian)(xian)盒(he)(he)(he)蓋子(zi)打開，用(yong)吹風機吹或(huo)在太陽下(xia)曬，直至曬干。3、電(dian)(dian)(dian)(dian)(dian)子(zi)地(di)(di)磅(bang)(bang)顯(xian)示(shi)(shi)數據與(yu)實際重(zhong)(zhong)量偏(pian)輕故(gu)(gu)(gu)障(zhang)(zhang)分(fen)(fen)(fen)析(xi)：電(dian)(dian)(dian)(dian)(dian)子(zi)地(di)(di)磅(bang)(bang)秤(cheng)體底下(xia)有(you)異物或(huo)其中(zhong)一個(ge)以(yi)上(shang)傳(chuan)感(gan)器(qi)(qi)(qi)(qi)損(sun)(sun)(sun)(sun)壞(huai)(huai)解(jie)決(jue)(jue)(jue)方式(shi)：檢查秤(cheng)體下(xia)是(shi)(shi)否有(you)異物，如(ru)果有(you)清理(li)掉(diao)，再查看是(shi)(shi)否正(zheng)常(chang)，如(ru)果還是(shi)(shi)不正(zheng)常(chang)，人到秤(cheng)上(shang)的(de)每個(ge)角上(shang)站一下(xia)，如(ru)果其中(zhong)有(you)哪個(ge)角的(de)數據輕很多則為(wei)這個(ge)角的(de)傳(chuan)感(gan)器(qi)(qi)(qi)(qi)損(sun)(sun)(sun)(sun)壞(huai)(huai)，換掉(diao)即可(ke)恢復正(zheng)常(chang)。4、重(zhong)(zhong)車下(xia)秤(cheng)后(hou)，每次都留有(you)較大份量的(de)底數，比如(ru)幾百(bai)K故(gu)(gu)(gu)障(zhang)(zhang)分(fen)(fen)(fen)析(xi)：電(dian)(dian)(dian)(dian)(dian)子(zi)地(di)(di)磅(bang)(bang)內部(bu)(bu)線(xian)(xian)路(lu)有(you)破(po)損(sun)(sun)(sun)(sun)解(jie)決(jue)(jue)(jue)方式(shi)：破(po)損(sun)(sun)(sun)(sun)用(yong)防水膠密封好(hao)。5、電(dian)(dian)(dian)(dian)(dian)子(zi)地(di)(di)磅(bang)(bang)儀(yi)表顯(xian)示(shi)(shi)不穩定，少則幾十kg，多則成百(bai)上(shang)千kg不停(ting)地(di)(di)變動故(gu)(gu)(gu)障(zhang)(zhang)分(fen)(fen)(fen)析(xi)：儀(yi)表模擬部(bu)(bu)分(fen)(fen)(fen)損(sun)(sun)(sun)(sun)壞(huai)(huai)，電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)故(gu)(gu)(gu)障(zhang)(zhang)，傳(chuan)感(gan)器(qi)(qi)(qi)(qi)、接(jie)(jie)線(xian)(xian)盒(he)(he)(he)、電(dian)(dian)(dian)(dian)(dian)纜等(deng)(deng)有(you)故(gu)(gu)(gu)障(zhang)(zhang)引起(qi)的(de)信(xin)號(hao)變化，秤(cheng)臺(tai)與(yu)基礎出(chu)現雜物堵塞(sai)、限位螺栓與(yu)基礎無(wu)間隙等(deng)(deng).解(jie)決(jue)(jue)(jue)方式(shi)：用(yong)替換法找(zhao)出(chu)損(sun)(sun)(sun)(sun)壞(huai)(huai)的(de)部(bu)(bu)件(jian)6、電(dian)(dian)(dian)(dian)(dian)子(zi)地(di)(di)磅(bang)(bang)儀(yi)表接(jie)(jie)通電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)后(hou)無(wu)任(ren)何顯(xian)示(shi)(shi)或(huo)顯(xian)示(shi)(shi)部(bu)(bu)分(fen)(fen)(fen)筆(bi)劃段，有(you)的(de)還伴有(you)蜂鳴器(qi)(qi)(qi)(qi)鳴叫故(gu)(gu)(gu)障(zhang)(zhang)分(fen)(fen)(fen)析(xi)：外(wai)部(bu)(bu)220V電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)及(ji)供電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)路(lu)（線(xian)(xian)路(lu)、保險(xian)管、機內變壓(ya)器(qi)(qi)(qi)(qi)、三端穩壓(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)）有(you)故(gu)(gu)(gu)障(zhang)(zhang). 解(jie)決(jue)(jue)(jue)方式(shi)：電(dian)(dian)(dian)(dian)(dian)子(zi)地(di)(di)磅(bang)(bang)儀(yi)表PCB板損(sun)(sun)(sun)(sun)壞(huai)(huai)或(huo)LED顯(xian)示(shi)(shi)管損(sun)(sun)(sun)(sun)壞(huai)(huai)或(huo)連線(xian)(xian)脫落。

呼中便攜式汽車衡*漠河稱重模塊

防爆(bao)電子臺(tai)秤(cheng)(cheng)的(de)(de)故(gu)障(zhang)排除方(fang)法防爆(bao)電子臺(tai)秤(cheng)(cheng)適用(yong)于化工廠、加油站、加氣站等(deng)有(you)(you)防爆(bao)要求的(de)(de)環境(jing)進行高(gao)價(jia)值(zhi)大宗貨物稱量的(de)(de)情況，在(zai)使用(yong)中(zhong)難免會出(chu)現故(gu)障(zhang)，下面根據這些故(gu)障(zhang)的(de)(de)原因排查下：  *步(bu)、重(zhong)新標(biao)定  ①砝(fa)碼(ma)大于1T，小于2T（1.5T標(biao)定）  ②叉(cha)(cha)(cha)車(che)升(sheng)高(gao)2cm左右標(biao)定  ③放置位置在(zai)臺(tai)面正(zheng)中(zhong)偏后（拉手部分）  第二(er)步(bu)、稱重(zhong)物時不(bu)(bu)(bu)能(neng)偏前，即(ji)不(bu)(bu)(bu)能(neng)超出(chu)前端兩只傳(chuan)感(gan)(gan)器(qi)(qi)(qi)的(de)(de)壓頭位置，如托(tuo)盤，托(tuo)盤不(bu)(bu)(bu)可(ke)超出(chu)叉(cha)(cha)(cha)齒(chi)(chi)  第三步(bu)、如稱重(zhong)還有(you)(you)誤差：  方(fang)法①：將(jiang)叉(cha)(cha)(cha)車(che)升(sheng)至zui高(gao)，用(yong)紙片插進秤(cheng)(cheng)與叉(cha)(cha)(cha)齒(chi)(chi)蓋的(de)(de)四邊間(jian)隙(xi)處劃動一(yi)圈(quan)，看是否有(you)(you)地方(fang)靠，如有(you)(you)靠的(de)(de)問題可(ke)用(yong)適當工具翹(qiao)離(li)  方(fang)法②：抬高(gao)叉(cha)(cha)(cha)齒(chi)(chi)蓋，松開(kai)傳(chuan)感(gan)(gan)器(qi)(qi)(qi)卡(ka)簧，用(yong)大一(yi)字(zi)螺(luo)絲刀(dao)往上(shang)調節(jie)，再裝(zhuang)(zhuang)上(shang)卡(ka)簧即(ji)可(ke)。如果(guo)(guo)傳(chuan)感(gan)(gan)器(qi)(qi)(qi)上(shang)無調節(jie)螺(luo)釘(ding)，可(ke)松開(kai)卡(ka)簧后再取(qu)下叉(cha)(cha)(cha)齒(chi)(chi)蓋，再將(jiang)蓋內(nei)的(de)(de)4只螺(luo)釘(ding)下旋2-3圈(quan)即(ji)可(ke)。  方(fang)法③：檢查看卡(ka)簧是否碰拉桿(gan)，如碰可(ke)直接取(qu)下卡(ka)簧，試秤(cheng)(cheng)一(yi)次，如果(guo)(guo)有(you)(you)用(yong)卡(ka)簧可(ke)取(qu)下不(bu)(bu)(bu)裝(zhuang)(zhuang)。  另外(wai)防爆(bao)電子臺(tai)秤(cheng)(cheng)在(zai)工作(zuo)中(zhong)準備(bei)(bei)好的(de)(de)傳(chuan)感(gan)(gan)器(qi)(qi)(qi)、線路板(ban)、電源(yuan)、鍵盤等(deng)部件(jian)(jian)，若懷(huai)疑傳(chuan)感(gan)(gan)器(qi)(qi)(qi)、線路板(ban)、電源(yuan)、鍵盤等(deng)某個部件(jian)(jian)損壞(huai)，用(yong)備(bei)(bei)好的(de)(de)部件(jian)(jian)替(ti)代(dai)(dai)，然后觀察結果(guo)(guo)是否有(you)(you)變化，如果(guo)(guo)顯示正(zheng)常，則說明原來的(de)(de)元(yuan)件(jian)(jian)有(you)(you)問題。比較、替(ti)代(dai)(dai)法能(neng)快速準確(que)地判斷出(chu)故(gu)障(zhang)點。

呼中便攜式汽車衡*漠河稱重模塊

地(di)磅稱重傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)故(gu)障(zhang)案例分(fen)析：  在(zai)接(jie)線(xian)(xian)(xian)盒(he)內用(yong)(yong)萬(wan)用(yong)(yong)表(biao)檢查(cha)正(zheng)激(ji)勵(li)(+EX)和(he)負激(ji)勵(li)(-EX)間電(dian)(dian)阻(zu)(zu)(zu)值(zhi)（在(zai)接(jie)線(xian)(xian)(xian)盒(he)內通向儀表(biao)的(de)信號(hao)線(xian)(xian)(xian)柱上測(ce)），其阻(zu)(zu)(zu)值(zhi)大(da)約(yue)為(wei)(wei)400D/傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)數。用(yong)(yong)萬(wan)用(yong)(yong)表(biao)測(ce)量總輸(shu)(shu)出(chu)端(duan)(duan)的(de)正(zheng)輸(shu)(shu)出(chu)(+Si)和(he)負輸(shu)(shu)出(chu)（-Si)之間電(dian)(dian)阻(zu)(zu)(zu)，其阻(zu)(zu)(zu)值(zhi)大(da)約(yue)為(wei)(wei)2500Q/截(jie)(jie)面數（注(zhu))，如(ru)(ru)(ru)果(guo)發(fa)現阻(zu)(zu)(zu)值(zhi)不(bu)(bu)對(dui)，按下一(yi)(yi)(yi)(yi)步(bu)查(cha)找。  注(zhu)：截(jie)(jie)面是垂直(zhi)秤臺縱向方向，每一(yi)(yi)(yi)(yi)對(dui)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)的(de)面。即(ji)一(yi)(yi)(yi)(yi)個截(jie)(jie)面一(yi)(yi)(yi)(yi)般有(you)一(yi)(yi)(yi)(yi)對(dui)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)，如(ru)(ru)(ru)30t地(di)磅有(you)4個傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)，分(fen)在(zai)兩個截(jie)(jie)面上，截(jie)(jie)面數為(wei)(wei)2。  逐次斷(duan)開傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)，用(yong)(yong)上述(shu)（1)的(de)方法，測(ce)量正(zheng)負激(ji)勵(li)端(duan)(duan)或正(zheng)負輸(shu)(shu)出(chu)端(duan)(duan)間阻(zu)(zu)(zu)抗(kang)值(zhi)，查(cha)出(chu)損(sun)壞了的(de)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)。如(ru)(ru)(ru)果(guo)這(zhe)(zhe)步(bu)檢查(cha)沒有(you)問題，則按下步(bu)繼續查(cha)找。  將(jiang)砝(fa)碼依次放(fang)在(zai)秤臺各個截(jie)(jie)面上，如(ru)(ru)(ru)果(guo)發(fa)現那(nei)個截(jie)(jie)面的(de)示值(zhi)不(bu)(bu)正(zheng)確，則再將(jiang)砝(fa)碼放(fang)在(zai)這(zhe)(zhe)個截(jie)(jie)面的(de)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)角上（壓(ya)角），查(cha)出(chu)壞傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)，在(zai)更換傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)。  或者脫開某傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)的(de)+Si、-Si端(duan)(duan)在(zai)不(bu)(bu)通電(dian)(dian)情(qing)況下測(ce)電(dian)(dian)阻(zu)(zu)(zu)值(zhi)，應在(zai)350Q左右，在(zai)通電(dian)(dian)情(qing)況下，測(ce)兩端(duan)(duan)的(de)直(zhi)流電(dian)(dian)壓(ya)，設傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)容(rong)量為(wei)(wei)K，它實際(ji)收到的(de)力為(wei)(wei)F，如(ru)(ru)(ru)果(guo)使用(yong)(yong)8142儀表(biao)，則電(dian)(dian)壓(ya)值(zhi)應為(wei)(wei)：12.5X2F/K(mV)。案例：故(gu)障(zhang)現象：一(yi)(yi)(yi)(yi)臺50t電(dian)(dian)子地(di)磅其示值(zhi)時正(zheng)時負，稱重 誤差較大(da)。故(gu)障(zhang)分(fen)析：a、機械(xie)結(jie)構出(chu)現故(gu)障(zhang)；b、傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)損(sun)壞。故(gu)障(zhang)處理：用(yong)(yong)一(yi)(yi)(yi)(yi)輛3t鏟(chan)車壓(ya)四角，發(fa)現其中一(yi)(yi)(yi)(yi)角誤差特 別大(da)。估計傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)發(fa)生故(gu)障(zhang)。脫開接(jie)線(xian)(xian)(xian)盒(he)內各傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)引線(xian)(xian)(xian)， 用(yong)(yong)萬(wan)用(yong)(yong)表(biao)測(ce)其輸(shu)(shu)入輸(shu)(shu)出(chu)電(dian)(dian)阻(zu)(zu)(zu)差值(zhi)不(bu)(bu)太大(da)。重點測(ce)量差值(zhi)較大(da) 的(de)那(nei)一(yi)(yi)(yi)(yi)個角的(de)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)，發(fa)現輸(shu)(shu)入電(dian)(dian)阻(zu)(zu)(zu)變化較大(da)（正(zheng)常值(zhi)為(wei)(wei)382 Q±4Q)，更換該只傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)，故(gu)障(zhang)即(ji)排除。

呼中便攜式汽車衡*漠河稱重模塊