東方無人值守地磅*綏棱便攜式地磅

1、顯示(shi)(shi)器(qi)無顯示(shi)(shi)故(gu)(gu)障(zhang)(zhang)分(fen)析(xi)：顯示(shi)(shi)器(qi)質量窗全(quan)暗(an)，但狀(zhuang)態燈(deng)亮。解(jie)(jie)決(jue)(jue)方(fang)(fang)式(shi)(shi)：首先檢查電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)插(cha)頭是(shi)否(fou)插(cha)牢，保險(xian)絲是(shi)否(fou)熔斷(duan)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜連線(xian)(xian)(xian)(xian)有(you)無斷(duan)線(xian)(xian)(xian)(xian)，檢查傳感器(qi)輸入、輸出阻值是(shi)否(fou)符合(he)要求。若線(xian)(xian)(xian)(xian)盒信號線(xian)(xian)(xian)(xian)斷(duan)焊(han)，用酒精擦洗，重(zhong)新焊(han)接(jie)(jie)(jie)，系統恢復正常。2、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)稱(cheng)重(zhong)儀(yi)(yi)表上(shang)稱(cheng)重(zhong)數(shu)(shu)據(ju)故(gu)(gu)障(zhang)(zhang)分(fen)析(xi)：絕(jue)大(da)數(shu)(shu)情況下是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)接(jie)(jie)(jie)線(xian)(xian)(xian)(xian)盒進水或(huo)有(you)潮氣解(jie)(jie)決(jue)(jue)方(fang)(fang)式(shi)(shi)：把接(jie)(jie)(jie)線(xian)(xian)(xian)(xian)盒蓋子打開(kai)，用吹(chui)風機吹(chui)或(huo)在太陽(yang)下曬(shai)，直(zhi)至曬(shai)干。3、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)顯示(shi)(shi)數(shu)(shu)據(ju)與實際(ji)重(zhong)量偏輕故(gu)(gu)障(zhang)(zhang)分(fen)析(xi)：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)秤(cheng)(cheng)體(ti)底下有(you)異物(wu)或(huo)其(qi)中一個以上(shang)傳感器(qi)損(sun)(sun)壞(huai)解(jie)(jie)決(jue)(jue)方(fang)(fang)式(shi)(shi)：檢查秤(cheng)(cheng)體(ti)下是(shi)否(fou)有(you)異物(wu)，如(ru)果(guo)有(you)清理掉(diao)，再查看是(shi)否(fou)正常，如(ru)果(guo)還是(shi)不(bu)正常，人到秤(cheng)(cheng)上(shang)的(de)每個角上(shang)站一下，如(ru)果(guo)其(qi)中有(you)哪個角的(de)數(shu)(shu)據(ju)輕很多(duo)則(ze)(ze)為這個角的(de)傳感器(qi)損(sun)(sun)壞(huai)，換掉(diao)即可恢復正常。4、重(zhong)車(che)下秤(cheng)(cheng)后，每次都留有(you)較大(da)份量的(de)底數(shu)(shu)，比(bi)如(ru)幾百K故(gu)(gu)障(zhang)(zhang)分(fen)析(xi)：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)內(nei)部線(xian)(xian)(xian)(xian)路有(you)破損(sun)(sun)解(jie)(jie)決(jue)(jue)方(fang)(fang)式(shi)(shi)：破損(sun)(sun)用防水膠密封好。5、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)儀(yi)(yi)表顯示(shi)(shi)不(bu)穩定，少則(ze)(ze)幾十kg，多(duo)則(ze)(ze)成百上(shang)千kg不(bu)停地(di)變(bian)動故(gu)(gu)障(zhang)(zhang)分(fen)析(xi)：儀(yi)(yi)表模擬部分(fen)損(sun)(sun)壞(huai)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)故(gu)(gu)障(zhang)(zhang)，傳感器(qi)、接(jie)(jie)(jie)線(xian)(xian)(xian)(xian)盒、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜等有(you)故(gu)(gu)障(zhang)(zhang)引(yin)起的(de)信號變(bian)化(hua)，秤(cheng)(cheng)臺與基礎出現雜物(wu)堵(du)塞(sai)、限位螺(luo)栓與基礎無間隙等.解(jie)(jie)決(jue)(jue)方(fang)(fang)式(shi)(shi)：用替換法找出損(sun)(sun)壞(huai)的(de)部件6、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)儀(yi)(yi)表接(jie)(jie)(jie)通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)后無任何(he)顯示(shi)(shi)或(huo)顯示(shi)(shi)部分(fen)筆劃段，有(you)的(de)還伴(ban)有(you)蜂(feng)鳴器(qi)鳴叫故(gu)(gu)障(zhang)(zhang)分(fen)析(xi)：外部220V電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)及(ji)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路（線(xian)(xian)(xian)(xian)路、保險(xian)管(guan)、機內(nei)變(bian)壓器(qi)、三端穩壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)）有(you)故(gu)(gu)障(zhang)(zhang). 解(jie)(jie)決(jue)(jue)方(fang)(fang)式(shi)(shi)：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)儀(yi)(yi)表PCB板損(sun)(sun)壞(huai)或(huo)LED顯示(shi)(shi)管(guan)損(sun)(sun)壞(huai)或(huo)連線(xian)(xian)(xian)(xian)脫(tuo)落。

東方無人值守地磅*綏棱便攜式地磅

防爆電(dian)(dian)子臺(tai)秤(cheng)(cheng)(cheng)的(de)故(gu)障(zhang)排除(chu)方(fang)(fang)法(fa)防爆電(dian)(dian)子臺(tai)秤(cheng)(cheng)(cheng)適(shi)用于化工(gong)廠(chang)、加油(you)站、加氣站等(deng)有(you)(you)(you)防爆要(yao)求的(de)環(huan)境進(jin)行高價值大宗(zong)貨物稱量的(de)情況(kuang)，在(zai)使用中(zhong)難免(mian)會出(chu)(chu)現故(gu)障(zhang)，下(xia)面根據這些故(gu)障(zhang)的(de)原(yuan)因(yin)排查下(xia)：  *步(bu)、重新標定  ①砝(fa)碼大于1T，小于2T（1.5T標定）  ②叉(cha)車(che)升高2cm左(zuo)右標定  ③放置(zhi)(zhi)位置(zhi)(zhi)在(zai)臺(tai)面正中(zhong)偏(pian)后（拉手(shou)部分）  第(di)二步(bu)、稱重物時不能(neng)偏(pian)前，即(ji)不能(neng)超出(chu)(chu)前端兩只傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)的(de)壓頭位置(zhi)(zhi)，如托盤，托盤不可(ke)超出(chu)(chu)叉(cha)齒(chi)(chi)  第(di)三步(bu)、如稱重還有(you)(you)(you)誤(wu)差：  方(fang)(fang)法(fa)①：將叉(cha)車(che)升至zui高，用紙片插(cha)進(jin)秤(cheng)(cheng)(cheng)與(yu)叉(cha)齒(chi)(chi)蓋(gai)的(de)四邊間隙處劃動一圈(quan)，看是否有(you)(you)(you)地(di)方(fang)(fang)靠(kao)，如有(you)(you)(you)靠(kao)的(de)問題可(ke)用適(shi)當工(gong)具翹離  方(fang)(fang)法(fa)②：抬高叉(cha)齒(chi)(chi)蓋(gai)，松開(kai)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)卡簧(huang)，用大一字(zi)螺(luo)絲(si)刀往(wang)上(shang)調(diao)(diao)節，再(zai)裝(zhuang)上(shang)卡簧(huang)即(ji)可(ke)。如果傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)上(shang)無調(diao)(diao)節螺(luo)釘，可(ke)松開(kai)卡簧(huang)后再(zai)取下(xia)叉(cha)齒(chi)(chi)蓋(gai)，再(zai)將蓋(gai)內的(de)4只螺(luo)釘下(xia)旋(xuan)2-3圈(quan)即(ji)可(ke)。  方(fang)(fang)法(fa)③：檢查看卡簧(huang)是否碰(peng)拉桿(gan)，如碰(peng)可(ke)直接取下(xia)卡簧(huang)，試(shi)秤(cheng)(cheng)(cheng)一次，如果有(you)(you)(you)用卡簧(huang)可(ke)取下(xia)不裝(zhuang)。  另外防爆電(dian)(dian)子臺(tai)秤(cheng)(cheng)(cheng)在(zai)工(gong)作(zuo)中(zhong)準備(bei)好的(de)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)、線(xian)路(lu)(lu)板、電(dian)(dian)源、鍵盤等(deng)部件(jian)(jian)，若懷疑傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)、線(xian)路(lu)(lu)板、電(dian)(dian)源、鍵盤等(deng)某個部件(jian)(jian)損(sun)壞，用備(bei)好的(de)部件(jian)(jian)替代，然后觀察結果是否有(you)(you)(you)變化，如果顯示正常(chang)，則(ze)說明(ming)原(yuan)來的(de)元件(jian)(jian)有(you)(you)(you)問題。比較(jiao)、替代法(fa)能(neng)快速準確地(di)判斷出(chu)(chu)故(gu)障(zhang)點。

東方無人值守地磅*綏棱便攜式地磅

地(di)磅稱重(zhong)(zhong)傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)故(gu)障(zhang)(zhang)案(an)例分(fen)析(xi)：  在(zai)(zai)接(jie)線(xian)盒內用(yong)(yong)萬用(yong)(yong)表(biao)檢(jian)查正激勵(li)(+EX)和負(fu)激勵(li)(-EX)間(jian)電(dian)阻(zu)值(zhi)(zhi)（在(zai)(zai)接(jie)線(xian)盒內通向(xiang)(xiang)儀(yi)表(biao)的(de)(de)(de)(de)(de)信號線(xian)柱(zhu)上測(ce)），其(qi)(qi)阻(zu)值(zhi)(zhi)大(da)約為(wei)(wei)400D/傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)數。用(yong)(yong)萬用(yong)(yong)表(biao)測(ce)量總輸(shu)(shu)(shu)(shu)出(chu)(chu)(chu)端的(de)(de)(de)(de)(de)正輸(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(+Si)和負(fu)輸(shu)(shu)(shu)(shu)出(chu)(chu)(chu)（-Si)之間(jian)電(dian)阻(zu)，其(qi)(qi)阻(zu)值(zhi)(zhi)大(da)約為(wei)(wei)2500Q/截(jie)面數（注(zhu))，如(ru)果發(fa)(fa)(fa)現(xian)阻(zu)值(zhi)(zhi)不(bu)對，按下(xia)一(yi)(yi)步查找。  注(zhu)：截(jie)面是(shi)垂直秤(cheng)臺(tai)縱(zong)向(xiang)(xiang)方(fang)向(xiang)(xiang)，每一(yi)(yi)對傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)面。即一(yi)(yi)個(ge)(ge)截(jie)面一(yi)(yi)般有一(yi)(yi)對傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)，如(ru)30t地(di)磅有4個(ge)(ge)傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)，分(fen)在(zai)(zai)兩(liang)個(ge)(ge)截(jie)面上，截(jie)面數為(wei)(wei)2。  逐次(ci)斷開傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)，用(yong)(yong)上述(shu)（1)的(de)(de)(de)(de)(de)方(fang)法，測(ce)量正負(fu)激勵(li)端或正負(fu)輸(shu)(shu)(shu)(shu)出(chu)(chu)(chu)端間(jian)阻(zu)抗值(zhi)(zhi)，查出(chu)(chu)(chu)損壞了的(de)(de)(de)(de)(de)傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)。如(ru)果這(zhe)步檢(jian)查沒有問題，則(ze)按下(xia)步繼續查找。  將(jiang)砝碼(ma)依次(ci)放(fang)(fang)在(zai)(zai)秤(cheng)臺(tai)各(ge)個(ge)(ge)截(jie)面上，如(ru)果發(fa)(fa)(fa)現(xian)那(nei)個(ge)(ge)截(jie)面的(de)(de)(de)(de)(de)示值(zhi)(zhi)不(bu)正確(que)，則(ze)再將(jiang)砝碼(ma)放(fang)(fang)在(zai)(zai)這(zhe)個(ge)(ge)截(jie)面的(de)(de)(de)(de)(de)傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)角(jiao)(jiao)上（壓角(jiao)(jiao)），查出(chu)(chu)(chu)壞傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)，在(zai)(zai)更(geng)(geng)換(huan)(huan)傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)。  或者脫(tuo)開某(mou)傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)+Si、-Si端在(zai)(zai)不(bu)通電(dian)情況下(xia)測(ce)電(dian)阻(zu)值(zhi)(zhi)，應(ying)在(zai)(zai)350Q左右，在(zai)(zai)通電(dian)情況下(xia)，測(ce)兩(liang)端的(de)(de)(de)(de)(de)直流電(dian)壓，設傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)容量為(wei)(wei)K，它實際(ji)收(shou)到(dao)的(de)(de)(de)(de)(de)力(li)為(wei)(wei)F，如(ru)果使用(yong)(yong)8142儀(yi)表(biao)，則(ze)電(dian)壓值(zhi)(zhi)應(ying)為(wei)(wei)：12.5X2F/K(mV)。案(an)例：故(gu)障(zhang)(zhang)現(xian)象：一(yi)(yi)臺(tai)50t電(dian)子地(di)磅其(qi)(qi)示值(zhi)(zhi)時(shi)(shi)正時(shi)(shi)負(fu)，稱重(zhong)(zhong) 誤差(cha)(cha)(cha)較(jiao)(jiao)大(da)。故(gu)障(zhang)(zhang)分(fen)析(xi)：a、機械結構出(chu)(chu)(chu)現(xian)故(gu)障(zhang)(zhang)；b、傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)損壞。故(gu)障(zhang)(zhang)處理(li)：用(yong)(yong)一(yi)(yi)輛3t鏟(chan)車壓四(si)角(jiao)(jiao)，發(fa)(fa)(fa)現(xian)其(qi)(qi)中(zhong)一(yi)(yi)角(jiao)(jiao)誤差(cha)(cha)(cha)特 別大(da)。估(gu)計傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)發(fa)(fa)(fa)生故(gu)障(zhang)(zhang)。脫(tuo)開接(jie)線(xian)盒內各(ge)傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)引(yin)線(xian)， 用(yong)(yong)萬用(yong)(yong)表(biao)測(ce)其(qi)(qi)輸(shu)(shu)(shu)(shu)入輸(shu)(shu)(shu)(shu)出(chu)(chu)(chu)電(dian)阻(zu)差(cha)(cha)(cha)值(zhi)(zhi)不(bu)太大(da)。重(zhong)(zhong)點測(ce)量差(cha)(cha)(cha)值(zhi)(zhi)較(jiao)(jiao)大(da) 的(de)(de)(de)(de)(de)那(nei)一(yi)(yi)個(ge)(ge)角(jiao)(jiao)的(de)(de)(de)(de)(de)傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)，發(fa)(fa)(fa)現(xian)輸(shu)(shu)(shu)(shu)入電(dian)阻(zu)變化較(jiao)(jiao)大(da)（正常值(zhi)(zhi)為(wei)(wei)382 Q±4Q)，更(geng)(geng)換(huan)(huan)該只傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)，故(gu)障(zhang)(zhang)即排除。

東方無人值守地磅*綏棱便攜式地磅