蘿北便攜式汽車衡*綏濱稱重模塊

1、顯(xian)(xian)示器(qi)(qi)(qi)無(wu)顯(xian)(xian)示故(gu)障分析(xi)：顯(xian)(xian)示器(qi)(qi)(qi)質量(liang)(liang)窗全暗，但狀態燈亮。解決方(fang)(fang)(fang)(fang)式(shi)：首(shou)先檢(jian)(jian)查(cha)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源插(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(lan)連線(xian)(xian)有(you)(you)無(wu)斷(duan)線(xian)(xian)，檢(jian)(jian)查(cha)傳感(gan)器(qi)(qi)(qi)輸(shu)入、輸(shu)出阻值是(shi)否(fou)符合要求。若線(xian)(xian)盒(he)(he)信(xin)(xin)號(hao)線(xian)(xian)斷(duan)焊，用酒精擦(ca)洗(xi)，重(zhong)(zhong)新焊接(jie)，系統(tong)恢(hui)復正(zheng)(zheng)常(chang)。2、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)(bang)稱重(zhong)(zhong)儀(yi)(yi)表上(shang)(shang)稱重(zhong)(zhong)數據(ju)故(gu)障分析(xi)：絕(jue)大數情(qing)況(kuang)下是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)(bang)接(jie)線(xian)(xian)盒(he)(he)進水或(huo)(huo)(huo)有(you)(you)潮氣解決方(fang)(fang)(fang)(fang)式(shi)：把接(jie)線(xian)(xian)盒(he)(he)蓋(gai)子打開，用吹風機(ji)吹或(huo)(huo)(huo)在太陽下曬(shai)，直至曬(shai)干。3、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)(bang)顯(xian)(xian)示數據(ju)與實際重(zhong)(zhong)量(liang)(liang)偏輕故(gu)障分析(xi)：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)(bang)秤體底(di)下有(you)(you)異物(wu)或(huo)(huo)(huo)其中一個(ge)以上(shang)(shang)傳感(gan)器(qi)(qi)(qi)損壞解決方(fang)(fang)(fang)(fang)式(shi)：檢(jian)(jian)查(cha)秤體下是(shi)否(fou)有(you)(you)異物(wu)，如果(guo)有(you)(you)清理掉(diao)，再查(cha)看是(shi)否(fou)正(zheng)(zheng)常(chang)，如果(guo)還是(shi)不(bu)正(zheng)(zheng)常(chang)，人(ren)到秤上(shang)(shang)的(de)每(mei)(mei)個(ge)角上(shang)(shang)站一下，如果(guo)其中有(you)(you)哪個(ge)角的(de)數據(ju)輕很多(duo)則為(wei)這(zhe)個(ge)角的(de)傳感(gan)器(qi)(qi)(qi)損壞，換掉(diao)即可(ke)恢(hui)復正(zheng)(zheng)常(chang)。4、重(zhong)(zhong)車下秤后，每(mei)(mei)次都留有(you)(you)較大份量(liang)(liang)的(de)底(di)數，比如幾百K故(gu)障分析(xi)：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)(bang)內(nei)部(bu)線(xian)(xian)路有(you)(you)破(po)損解決方(fang)(fang)(fang)(fang)式(shi)：破(po)損用防水膠密封好。5、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)(bang)儀(yi)(yi)表顯(xian)(xian)示不(bu)穩(wen)定，少則幾十kg，多(duo)則成百上(shang)(shang)千kg不(bu)停地(di)變動故(gu)障分析(xi)：儀(yi)(yi)表模擬部(bu)分損壞，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源故(gu)障，傳感(gan)器(qi)(qi)(qi)、接(jie)線(xian)(xian)盒(he)(he)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)等(deng)有(you)(you)故(gu)障引(yin)起的(de)信(xin)(xin)號(hao)變化，秤臺與基礎出現雜物(wu)堵塞、限位(wei)螺栓與基礎無(wu)間隙等(deng).解決方(fang)(fang)(fang)(fang)式(shi)：用替換法找出損壞的(de)部(bu)件6、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)(bang)儀(yi)(yi)表接(jie)通電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源后無(wu)任(ren)何顯(xian)(xian)示或(huo)(huo)(huo)顯(xian)(xian)示部(bu)分筆劃段(duan)，有(you)(you)的(de)還伴有(you)(you)蜂鳴(ming)器(qi)(qi)(qi)鳴(ming)叫(jiao)故(gu)障分析(xi)：外部(bu)220V電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源及(ji)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路（線(xian)(xian)路、保險(xian)管(guan)、機(ji)內(nei)變壓(ya)器(qi)(qi)(qi)、三端穩(wen)壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源）有(you)(you)故(gu)障. 解決方(fang)(fang)(fang)(fang)式(shi)：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子地(di)磅(bang)(bang)儀(yi)(yi)表PCB板損壞或(huo)(huo)(huo)LED顯(xian)(xian)示管(guan)損壞或(huo)(huo)(huo)連線(xian)(xian)脫落。

蘿北便攜式汽車衡*綏濱稱重模塊

防(fang)爆(bao)電(dian)(dian)子臺秤的(de)(de)故障(zhang)排除(chu)方(fang)(fang)(fang)(fang)法(fa)防(fang)爆(bao)電(dian)(dian)子臺秤適用(yong)于(yu)(yu)化(hua)工(gong)廠、加(jia)油站(zhan)、加(jia)氣站(zhan)等(deng)有(you)防(fang)爆(bao)要(yao)求的(de)(de)環境進行高(gao)價(jia)值大(da)宗(zong)貨物稱(cheng)量的(de)(de)情(qing)況，在(zai)(zai)使(shi)用(yong)中難(nan)免會出現故障(zhang)，下面根(gen)據這(zhe)些(xie)故障(zhang)的(de)(de)原(yuan)因排查(cha)下：  *步(bu)、重(zhong)新標(biao)定  ①砝碼大(da)于(yu)(yu)1T，小于(yu)(yu)2T（1.5T標(biao)定）  ②叉(cha)車(che)升(sheng)高(gao)2cm左右標(biao)定  ③放置(zhi)位(wei)置(zhi)在(zai)(zai)臺面正中偏后(hou)（拉(la)手部(bu)分）  第二步(bu)、稱(cheng)重(zhong)物時不能(neng)偏前(qian)，即不能(neng)超(chao)出前(qian)端兩只(zhi)傳(chuan)(chuan)感(gan)器(qi)的(de)(de)壓頭位(wei)置(zhi)，如托(tuo)盤(pan)，托(tuo)盤(pan)不可(ke)超(chao)出叉(cha)齒(chi)  第三步(bu)、如稱(cheng)重(zhong)還有(you)誤差：  方(fang)(fang)(fang)(fang)法(fa)①：將(jiang)叉(cha)車(che)升(sheng)至zui高(gao)，用(yong)紙片插進秤與叉(cha)齒(chi)蓋(gai)的(de)(de)四邊間隙(xi)處(chu)劃動一圈，看是否(fou)(fou)有(you)地方(fang)(fang)(fang)(fang)靠，如有(you)靠的(de)(de)問題(ti)可(ke)用(yong)適當工(gong)具翹離  方(fang)(fang)(fang)(fang)法(fa)②：抬高(gao)叉(cha)齒(chi)蓋(gai)，松開(kai)傳(chuan)(chuan)感(gan)器(qi)卡(ka)(ka)(ka)簧，用(yong)大(da)一字螺(luo)絲刀往上(shang)(shang)調(diao)節(jie)，再(zai)裝(zhuang)上(shang)(shang)卡(ka)(ka)(ka)簧即可(ke)。如果(guo)傳(chuan)(chuan)感(gan)器(qi)上(shang)(shang)無調(diao)節(jie)螺(luo)釘，可(ke)松開(kai)卡(ka)(ka)(ka)簧后(hou)再(zai)取下叉(cha)齒(chi)蓋(gai)，再(zai)將(jiang)蓋(gai)內的(de)(de)4只(zhi)螺(luo)釘下旋(xuan)2-3圈即可(ke)。  方(fang)(fang)(fang)(fang)法(fa)③：檢查(cha)看卡(ka)(ka)(ka)簧是否(fou)(fou)碰(peng)拉(la)桿，如碰(peng)可(ke)直接取下卡(ka)(ka)(ka)簧，試秤一次(ci)，如果(guo)有(you)用(yong)卡(ka)(ka)(ka)簧可(ke)取下不裝(zhuang)。  另外(wai)防(fang)爆(bao)電(dian)(dian)子臺秤在(zai)(zai)工(gong)作中準備好的(de)(de)傳(chuan)(chuan)感(gan)器(qi)、線(xian)路板、電(dian)(dian)源、鍵(jian)盤(pan)等(deng)部(bu)件，若懷疑傳(chuan)(chuan)感(gan)器(qi)、線(xian)路板、電(dian)(dian)源、鍵(jian)盤(pan)等(deng)某個部(bu)件損(sun)壞，用(yong)備好的(de)(de)部(bu)件替代(dai)，然后(hou)觀察結果(guo)是否(fou)(fou)有(you)變化(hua)，如果(guo)顯示正常(chang)，則說明原(yuan)來的(de)(de)元件有(you)問題(ti)。比(bi)較、替代(dai)法(fa)能(neng)快速準確地判斷(duan)出故障(zhang)點(dian)。

蘿北便攜式汽車衡*綏濱稱重模塊

地(di)磅稱重傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)故(gu)障(zhang)案例分析：  在(zai)(zai)接(jie)線盒內用萬(wan)(wan)用表檢(jian)查(cha)正(zheng)(zheng)激(ji)勵(li)(+EX)和負(fu)(fu)激(ji)勵(li)(-EX)間電(dian)阻(zu)(zu)值(zhi)(zhi)(zhi)（在(zai)(zai)接(jie)線盒內通(tong)向(xiang)儀(yi)表的(de)(de)(de)(de)信號線柱上(shang)(shang)測(ce)），其(qi)(qi)阻(zu)(zu)值(zhi)(zhi)(zhi)大約為(wei)(wei)400D/傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)數。用萬(wan)(wan)用表測(ce)量總輸(shu)出(chu)端的(de)(de)(de)(de)正(zheng)(zheng)輸(shu)出(chu)(+Si)和負(fu)(fu)輸(shu)出(chu)（-Si)之間電(dian)阻(zu)(zu)，其(qi)(qi)阻(zu)(zu)值(zhi)(zhi)(zhi)大約為(wei)(wei)2500Q/截(jie)(jie)(jie)面(mian)(mian)(mian)數（注)，如果發(fa)現(xian)(xian)(xian)阻(zu)(zu)值(zhi)(zhi)(zhi)不對(dui)(dui)，按下一(yi)(yi)(yi)(yi)步(bu)查(cha)找。  注：截(jie)(jie)(jie)面(mian)(mian)(mian)是垂直秤臺(tai)縱向(xiang)方向(xiang)，每一(yi)(yi)(yi)(yi)對(dui)(dui)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)的(de)(de)(de)(de)面(mian)(mian)(mian)。即一(yi)(yi)(yi)(yi)個(ge)截(jie)(jie)(jie)面(mian)(mian)(mian)一(yi)(yi)(yi)(yi)般有一(yi)(yi)(yi)(yi)對(dui)(dui)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)，如30t地(di)磅有4個(ge)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)，分在(zai)(zai)兩個(ge)截(jie)(jie)(jie)面(mian)(mian)(mian)上(shang)(shang)，截(jie)(jie)(jie)面(mian)(mian)(mian)數為(wei)(wei)2。  逐次(ci)斷開傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)，用上(shang)(shang)述(shu)（1)的(de)(de)(de)(de)方法，測(ce)量正(zheng)(zheng)負(fu)(fu)激(ji)勵(li)端或正(zheng)(zheng)負(fu)(fu)輸(shu)出(chu)端間阻(zu)(zu)抗值(zhi)(zhi)(zhi)，查(cha)出(chu)損壞(huai)了的(de)(de)(de)(de)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)。如果這步(bu)檢(jian)查(cha)沒有問題，則按下步(bu)繼續(xu)查(cha)找。  將(jiang)砝碼依次(ci)放(fang)在(zai)(zai)秤臺(tai)各個(ge)截(jie)(jie)(jie)面(mian)(mian)(mian)上(shang)(shang)，如果發(fa)現(xian)(xian)(xian)那個(ge)截(jie)(jie)(jie)面(mian)(mian)(mian)的(de)(de)(de)(de)示(shi)值(zhi)(zhi)(zhi)不正(zheng)(zheng)確，則再(zai)將(jiang)砝碼放(fang)在(zai)(zai)這個(ge)截(jie)(jie)(jie)面(mian)(mian)(mian)的(de)(de)(de)(de)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)角(jiao)(jiao)上(shang)(shang)（壓(ya)角(jiao)(jiao)），查(cha)出(chu)壞(huai)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)，在(zai)(zai)更換(huan)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)。  或者脫(tuo)開某傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)的(de)(de)(de)(de)+Si、-Si端在(zai)(zai)不通(tong)電(dian)情況(kuang)(kuang)下測(ce)電(dian)阻(zu)(zu)值(zhi)(zhi)(zhi)，應在(zai)(zai)350Q左右，在(zai)(zai)通(tong)電(dian)情況(kuang)(kuang)下，測(ce)兩端的(de)(de)(de)(de)直流電(dian)壓(ya)，設傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)容(rong)量為(wei)(wei)K，它(ta)實際(ji)收到的(de)(de)(de)(de)力為(wei)(wei)F，如果使用8142儀(yi)表，則電(dian)壓(ya)值(zhi)(zhi)(zhi)應為(wei)(wei)：12.5X2F/K(mV)。案例：故(gu)障(zhang)現(xian)(xian)(xian)象(xiang)：一(yi)(yi)(yi)(yi)臺(tai)50t電(dian)子(zi)地(di)磅其(qi)(qi)示(shi)值(zhi)(zhi)(zhi)時(shi)正(zheng)(zheng)時(shi)負(fu)(fu)，稱重 誤差較大。故(gu)障(zhang)分析：a、機(ji)械結構(gou)出(chu)現(xian)(xian)(xian)故(gu)障(zhang)；b、傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)損壞(huai)。故(gu)障(zhang)處理：用一(yi)(yi)(yi)(yi)輛(liang)3t鏟車壓(ya)四角(jiao)(jiao)，發(fa)現(xian)(xian)(xian)其(qi)(qi)中一(yi)(yi)(yi)(yi)角(jiao)(jiao)誤差特 別(bie)大。估計(ji)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)發(fa)生(sheng)故(gu)障(zhang)。脫(tuo)開接(jie)線盒內各傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)引線， 用萬(wan)(wan)用表測(ce)其(qi)(qi)輸(shu)入輸(shu)出(chu)電(dian)阻(zu)(zu)差值(zhi)(zhi)(zhi)不太(tai)大。重點測(ce)量差值(zhi)(zhi)(zhi)較大 的(de)(de)(de)(de)那一(yi)(yi)(yi)(yi)個(ge)角(jiao)(jiao)的(de)(de)(de)(de)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)，發(fa)現(xian)(xian)(xian)輸(shu)入電(dian)阻(zu)(zu)變化較大（正(zheng)(zheng)常值(zhi)(zhi)(zhi)為(wei)(wei)382 Q±4Q)，更換(huan)該只傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)(qi)，故(gu)障(zhang)即排(pai)除。

蘿北便攜式汽車衡*綏濱稱重模塊

地(di)磅汽(qi)車衡常(chang)(chang)見故(gu)障(zhang)(zhang)(zhang)及排除方(fang)(fang)法通(tong)過觀察尋(xun)找(zhao)各(ge)部(bu)件是(shi)否(fou)(fou)有異(yi)常(chang)(chang)情(qing)況。如(ru)虛焊(han)(han)、開焊(han)(han)、斷線、燒焦、變色、短路(lu)、碰(peng)接(jie)等(deng)。用模擬器(qi)(qi)可(ke)檢(jian)(jian)(jian)(jian)查稱(cheng)重(zhong)顯(xian)示器(qi)(qi) 是(shi)否(fou)(fou)正(zheng)常(chang)(chang)，再查秤體傳(chuan)感(gan)器(qi)(qi) 連接(jie)件是(shi)否(fou)(fou)損壞(huai)，然后(hou)再看(kan)一下接(jie)線盒(he)(he)是(shi)否(fou)(fou)受潮，如(ru)果受潮可(ke)取下接(jie)線板用酒精擦(ca)洗(xi)，干燥后(hou)系(xi)統可(ke)正(zheng)常(chang)(chang)工作(zuo)。分(fen)析故(gu)障(zhang)(zhang)(zhang)原因找(zhao)出(chu)有毛(mao)病的(de)電路(lu)，更(geng)(geng)換電器(qi)(qi)件。掌握電路(lu)關鍵測試點(dian)，記(ji)住(zhu)電源及集(ji)成(cheng)塊的(de)主(zhu)(zhu)要技術數據，查看(kan)有關說明書中錯誤碼，當其它檢(jian)(jian)(jian)(jian)查均無效(xiao)時，應考慮更(geng)(geng)換主(zhu)(zhu)板。1、稱(cheng)量不正(zheng)常(chang)(chang)時的(de)解決(jue)方(fang)(fang)法檢(jian)(jian)(jian)(jian)查承載器(qi)(qi)周圍是(shi)否(fou)(fou)有異(yi)物卡死或(huo)相(xiang)碰(peng)，承載器(qi)(qi)活動(dong)是(shi)否(fou)(fou)自如(ru)。2、稱(cheng)重(zhong)儀(yi)表 出(chu)現(xian)(xian)漂(piao)移的(de)解決(jue)方(fang)(fang)法當發現(xian)(xian)儀(yi)表 漂(piao)移，首(shou)先考慮電源是(shi)否(fou)(fou)正(zheng)常(chang)(chang)，預(yu)熱時間(jian)是(shi)否(fou)(fou)按要求(qiu)做(zuo)到。置零后(hou)觀察是(shi)否(fou)(fou)還有漂(piao)移，如(ru)果有再檢(jian)(jian)(jian)(jian)查一下接(jie)線盒(he)(he)是(shi)否(fou)(fou)受潮，傳(chuan)感(gan)器(qi)(qi) 絕(jue)緣電阻是(shi)否(fou)(fou)滿(man)足(zu)要求(qiu)，如(ru)上述辦(ban)(ban)法均無效(xiao)應考慮更(geng)(geng)換主(zhu)(zhu)機放大電路(lu)。3、出(chu)現(xian)(xian)無顯(xian)示的(de)解決(jue)辦(ban)(ban)法首(shou)先檢(jian)(jian)(jian)(jian)查電源插頭是(shi)否(fou)(fou)插牢，保險絲是(shi)否(fou)(fou)熔斷，電纜(lan)連線有無斷線，檢(jian)(jian)(jian)(jian)查傳(chuan)感(gan)器(qi)(qi) 輸入、輸出(chu)阻值是(shi)否(fou)(fou)符合要求(qiu)。例(li)如(ru)顯(xian)示器(qi)(qi) 質量窗全暗，但狀(zhuang)態燈亮，經(jing)檢(jian)(jian)(jian)(jian)查接(jie)線盒(he)(he)信號線斷焊(han)(han)，用酒精擦(ca)洗(xi)，重(zhong)新(xin)焊(han)(han)接(jie)，系(xi)統恢復正(zheng)常(chang)(chang)。4、打(da)印機出(chu)現(xian)(xian)故(gu)障(zhang)(zhang)(zhang)主(zhu)(zhu)要檢(jian)(jian)(jian)(jian)查能否(fou)(fou)與主(zhu)(zhu)機連機，送(song)紙(zhi)是(shi)否(fou)(fou)正(zheng)常(chang)(chang)，設定指(zhi)令是(shi)否(fou)(fou)丟(diu)失(shi)，打(da)印頭有無卡住(zhu)現(xian)(xian)象。例(li)如(ru)打(da)印不出(chu)字可(ke)能是(shi)碎紙(zhi)屑、灰塵堵滿(man)打(da)印針(zhen)孔，用*清(qing)洗(xi)后(hou)便可(ke)打(da)印。色帶不可(ke)有撕裂現(xian)(xian)象。蘿北便攜式汽車衡*綏濱稱重模塊