黑河便攜式汽車衡*北林稱重模塊

1、顯(xian)(xian)示(shi)(shi)器(qi)(qi)(qi)無顯(xian)(xian)示(shi)(shi)故(gu)(gu)障分析(xi)：顯(xian)(xian)示(shi)(shi)器(qi)(qi)(qi)質(zhi)量窗(chuang)全暗，但狀態(tai)燈亮。解(jie)(jie)決(jue)方(fang)(fang)式(shi)：首(shou)先檢(jian)(jian)查(cha)(cha)電(dian)(dian)源插(cha)頭(tou)是(shi)(shi)否插(cha)牢，保(bao)(bao)險絲(si)是(shi)(shi)否熔斷，電(dian)(dian)纜連線(xian)(xian)有(you)(you)(you)(you)(you)無斷線(xian)(xian)，檢(jian)(jian)查(cha)(cha)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)輸入(ru)、輸出阻值(zhi)是(shi)(shi)否符合(he)要(yao)求。若線(xian)(xian)盒(he)信號線(xian)(xian)斷焊(han)，用(yong)酒精擦洗，重(zhong)(zhong)新(xin)焊(han)接，系統(tong)恢(hui)(hui)復正(zheng)常(chang)(chang)。2、電(dian)(dian)子(zi)(zi)(zi)地(di)磅稱重(zhong)(zhong)儀(yi)(yi)表(biao)上(shang)稱重(zhong)(zhong)數(shu)(shu)(shu)據故(gu)(gu)障分析(xi)：絕(jue)大數(shu)(shu)(shu)情況下(xia)是(shi)(shi)電(dian)(dian)子(zi)(zi)(zi)地(di)磅接線(xian)(xian)盒(he)進水(shui)或有(you)(you)(you)(you)(you)潮氣解(jie)(jie)決(jue)方(fang)(fang)式(shi)：把接線(xian)(xian)盒(he)蓋子(zi)(zi)(zi)打開，用(yong)吹風機吹或在太陽(yang)下(xia)曬(shai)，直至曬(shai)干。3、電(dian)(dian)子(zi)(zi)(zi)地(di)磅顯(xian)(xian)示(shi)(shi)數(shu)(shu)(shu)據與(yu)實際重(zhong)(zhong)量偏(pian)輕故(gu)(gu)障分析(xi)：電(dian)(dian)子(zi)(zi)(zi)地(di)磅秤(cheng)體底下(xia)有(you)(you)(you)(you)(you)異物或其中一個(ge)(ge)以(yi)上(shang)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)損(sun)(sun)壞解(jie)(jie)決(jue)方(fang)(fang)式(shi)：檢(jian)(jian)查(cha)(cha)秤(cheng)體下(xia)是(shi)(shi)否有(you)(you)(you)(you)(you)異物，如(ru)(ru)果有(you)(you)(you)(you)(you)清理掉，再查(cha)(cha)看是(shi)(shi)否正(zheng)常(chang)(chang)，如(ru)(ru)果還(huan)是(shi)(shi)不正(zheng)常(chang)(chang)，人到秤(cheng)上(shang)的(de)每個(ge)(ge)角上(shang)站一下(xia)，如(ru)(ru)果其中有(you)(you)(you)(you)(you)哪個(ge)(ge)角的(de)數(shu)(shu)(shu)據輕很多則(ze)為這個(ge)(ge)角的(de)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)損(sun)(sun)壞，換掉即(ji)可恢(hui)(hui)復正(zheng)常(chang)(chang)。4、重(zhong)(zhong)車下(xia)秤(cheng)后(hou)，每次都留有(you)(you)(you)(you)(you)較(jiao)大份量的(de)底數(shu)(shu)(shu)，比(bi)如(ru)(ru)幾百(bai)K故(gu)(gu)障分析(xi)：電(dian)(dian)子(zi)(zi)(zi)地(di)磅內(nei)部(bu)線(xian)(xian)路有(you)(you)(you)(you)(you)破(po)損(sun)(sun)解(jie)(jie)決(jue)方(fang)(fang)式(shi)：破(po)損(sun)(sun)用(yong)防水(shui)膠密封好。5、電(dian)(dian)子(zi)(zi)(zi)地(di)磅儀(yi)(yi)表(biao)顯(xian)(xian)示(shi)(shi)不穩(wen)定，少則(ze)幾十kg，多則(ze)成(cheng)百(bai)上(shang)千kg不停地(di)變動故(gu)(gu)障分析(xi)：儀(yi)(yi)表(biao)模(mo)擬(ni)部(bu)分損(sun)(sun)壞，電(dian)(dian)源故(gu)(gu)障，傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)、接線(xian)(xian)盒(he)、電(dian)(dian)纜等有(you)(you)(you)(you)(you)故(gu)(gu)障引(yin)起的(de)信號變化，秤(cheng)臺與(yu)基(ji)礎出現雜(za)物堵塞、限位螺栓(shuan)與(yu)基(ji)礎無間隙等.解(jie)(jie)決(jue)方(fang)(fang)式(shi)：用(yong)替換法找出損(sun)(sun)壞的(de)部(bu)件(jian)6、電(dian)(dian)子(zi)(zi)(zi)地(di)磅儀(yi)(yi)表(biao)接通電(dian)(dian)源后(hou)無任何顯(xian)(xian)示(shi)(shi)或顯(xian)(xian)示(shi)(shi)部(bu)分筆劃段，有(you)(you)(you)(you)(you)的(de)還(huan)伴有(you)(you)(you)(you)(you)蜂鳴器(qi)(qi)(qi)鳴叫故(gu)(gu)障分析(xi)：外部(bu)220V電(dian)(dian)源及供電(dian)(dian)電(dian)(dian)路（線(xian)(xian)路、保(bao)(bao)險管(guan)(guan)、機內(nei)變壓器(qi)(qi)(qi)、三(san)端(duan)穩(wen)壓電(dian)(dian)源）有(you)(you)(you)(you)(you)故(gu)(gu)障. 解(jie)(jie)決(jue)方(fang)(fang)式(shi)：電(dian)(dian)子(zi)(zi)(zi)地(di)磅儀(yi)(yi)表(biao)PCB板(ban)損(sun)(sun)壞或LED顯(xian)(xian)示(shi)(shi)管(guan)(guan)損(sun)(sun)壞或連線(xian)(xian)脫落。

黑河便攜式汽車衡*北林稱重模塊

防(fang)爆電子臺(tai)(tai)秤(cheng)(cheng)的(de)(de)(de)(de)(de)故障排除方(fang)(fang)法(fa)防(fang)爆電子臺(tai)(tai)秤(cheng)(cheng)適(shi)用于化工廠、加油站(zhan)、加氣站(zhan)等有(you)防(fang)爆要求(qiu)的(de)(de)(de)(de)(de)環境進行高(gao)價(jia)值大(da)(da)宗(zong)貨物稱量的(de)(de)(de)(de)(de)情況，在使用中難免會(hui)出現故障，下(xia)(xia)面根據(ju)這(zhe)些故障的(de)(de)(de)(de)(de)原(yuan)因排查下(xia)(xia)：  *步、重(zhong)新標定  ①砝碼(ma)大(da)(da)于1T，小于2T（1.5T標定）  ②叉車(che)升(sheng)(sheng)高(gao)2cm左右標定  ③放置位(wei)置在臺(tai)(tai)面正中偏(pian)后（拉(la)(la)手(shou)部分(fen)）  第(di)二(er)步、稱重(zhong)物時(shi)不(bu)能(neng)偏(pian)前，即不(bu)能(neng)超出前端兩只(zhi)傳感(gan)(gan)器(qi)的(de)(de)(de)(de)(de)壓頭(tou)位(wei)置，如(ru)托盤(pan)，托盤(pan)不(bu)可(ke)超出叉齒  第(di)三步、如(ru)稱重(zhong)還有(you)誤差：  方(fang)(fang)法(fa)①：將叉車(che)升(sheng)(sheng)至zui高(gao)，用紙片插進秤(cheng)(cheng)與叉齒蓋的(de)(de)(de)(de)(de)四邊間隙處劃動一圈(quan)，看是否(fou)有(you)地方(fang)(fang)靠(kao)，如(ru)有(you)靠(kao)的(de)(de)(de)(de)(de)問(wen)題(ti)可(ke)用適(shi)當(dang)工具翹離  方(fang)(fang)法(fa)②：抬高(gao)叉齒蓋，松開傳感(gan)(gan)器(qi)卡簧(huang)，用大(da)(da)一字螺(luo)(luo)絲刀往上調節(jie)，再(zai)裝(zhuang)上卡簧(huang)即可(ke)。如(ru)果(guo)傳感(gan)(gan)器(qi)上無調節(jie)螺(luo)(luo)釘，可(ke)松開卡簧(huang)后再(zai)取下(xia)(xia)叉齒蓋，再(zai)將蓋內的(de)(de)(de)(de)(de)4只(zhi)螺(luo)(luo)釘下(xia)(xia)旋2-3圈(quan)即可(ke)。  方(fang)(fang)法(fa)③：檢查看卡簧(huang)是否(fou)碰(peng)拉(la)(la)桿，如(ru)碰(peng)可(ke)直接取下(xia)(xia)卡簧(huang)，試(shi)秤(cheng)(cheng)一次，如(ru)果(guo)有(you)用卡簧(huang)可(ke)取下(xia)(xia)不(bu)裝(zhuang)。  另外防(fang)爆電子臺(tai)(tai)秤(cheng)(cheng)在工作中準(zhun)(zhun)備好的(de)(de)(de)(de)(de)傳感(gan)(gan)器(qi)、線路(lu)板、電源、鍵盤(pan)等部件(jian)，若懷疑傳感(gan)(gan)器(qi)、線路(lu)板、電源、鍵盤(pan)等某個(ge)部件(jian)損(sun)壞，用備好的(de)(de)(de)(de)(de)部件(jian)替代，然后觀察(cha)結果(guo)是否(fou)有(you)變(bian)化，如(ru)果(guo)顯示正常，則說(shuo)明原(yuan)來的(de)(de)(de)(de)(de)元件(jian)有(you)問(wen)題(ti)。比(bi)較、替代法(fa)能(neng)快速準(zhun)(zhun)確地判斷出故障點。

黑河便攜式汽車衡*北林稱重模塊

地磅稱重傳(chuan)(chuan)感(gan)(gan)(gan)器故(gu)障(zhang)(zhang)案(an)例(li)分(fen)析：  在(zai)接(jie)(jie)線(xian)盒內用(yong)萬用(yong)表(biao)檢(jian)查(cha)正(zheng)激(ji)勵(li)(+EX)和負(fu)(fu)(fu)激(ji)勵(li)(-EX)間電(dian)(dian)(dian)阻(zu)值(zhi)(zhi)(zhi)(zhi)（在(zai)接(jie)(jie)線(xian)盒內通向儀(yi)表(biao)的(de)(de)(de)信號線(xian)柱(zhu)上測(ce)），其阻(zu)值(zhi)(zhi)(zhi)(zhi)大約為(wei)400D/傳(chuan)(chuan)感(gan)(gan)(gan)器數。用(yong)萬用(yong)表(biao)測(ce)量(liang)總輸(shu)(shu)出(chu)端(duan)(duan)的(de)(de)(de)正(zheng)輸(shu)(shu)出(chu)(+Si)和負(fu)(fu)(fu)輸(shu)(shu)出(chu)（-Si)之(zhi)間電(dian)(dian)(dian)阻(zu)，其阻(zu)值(zhi)(zhi)(zhi)(zhi)大約為(wei)2500Q/截(jie)面(mian)(mian)數（注)，如果(guo)發現阻(zu)值(zhi)(zhi)(zhi)(zhi)不(bu)(bu)對，按下(xia)一步查(cha)找。  注：截(jie)面(mian)(mian)是垂直(zhi)秤臺(tai)(tai)縱(zong)向方向，每一對傳(chuan)(chuan)感(gan)(gan)(gan)器的(de)(de)(de)面(mian)(mian)。即(ji)一個(ge)截(jie)面(mian)(mian)一般有(you)一對傳(chuan)(chuan)感(gan)(gan)(gan)器，如30t地磅有(you)4個(ge)傳(chuan)(chuan)感(gan)(gan)(gan)器，分(fen)在(zai)兩個(ge)截(jie)面(mian)(mian)上，截(jie)面(mian)(mian)數為(wei)2。  逐次斷(duan)開傳(chuan)(chuan)感(gan)(gan)(gan)器，用(yong)上述（1)的(de)(de)(de)方法，測(ce)量(liang)正(zheng)負(fu)(fu)(fu)激(ji)勵(li)端(duan)(duan)或正(zheng)負(fu)(fu)(fu)輸(shu)(shu)出(chu)端(duan)(duan)間阻(zu)抗值(zhi)(zhi)(zhi)(zhi)，查(cha)出(chu)損(sun)(sun)壞(huai)(huai)了的(de)(de)(de)傳(chuan)(chuan)感(gan)(gan)(gan)器。如果(guo)這步檢(jian)查(cha)沒有(you)問題，則(ze)按下(xia)步繼(ji)續查(cha)找。  將砝(fa)碼依(yi)次放在(zai)秤臺(tai)(tai)各(ge)個(ge)截(jie)面(mian)(mian)上，如果(guo)發現那(nei)個(ge)截(jie)面(mian)(mian)的(de)(de)(de)示(shi)值(zhi)(zhi)(zhi)(zhi)不(bu)(bu)正(zheng)確，則(ze)再將砝(fa)碼放在(zai)這個(ge)截(jie)面(mian)(mian)的(de)(de)(de)傳(chuan)(chuan)感(gan)(gan)(gan)器角上（壓角），查(cha)出(chu)壞(huai)(huai)傳(chuan)(chuan)感(gan)(gan)(gan)器，在(zai)更(geng)換傳(chuan)(chuan)感(gan)(gan)(gan)器。  或者脫(tuo)開某傳(chuan)(chuan)感(gan)(gan)(gan)器的(de)(de)(de)+Si、-Si端(duan)(duan)在(zai)不(bu)(bu)通電(dian)(dian)(dian)情況下(xia)測(ce)電(dian)(dian)(dian)阻(zu)值(zhi)(zhi)(zhi)(zhi)，應在(zai)350Q左(zuo)右，在(zai)通電(dian)(dian)(dian)情況下(xia)，測(ce)兩端(duan)(duan)的(de)(de)(de)直(zhi)流電(dian)(dian)(dian)壓，設傳(chuan)(chuan)感(gan)(gan)(gan)器容量(liang)為(wei)K，它實際收到的(de)(de)(de)力為(wei)F，如果(guo)使用(yong)8142儀(yi)表(biao)，則(ze)電(dian)(dian)(dian)壓值(zhi)(zhi)(zhi)(zhi)應為(wei)：12.5X2F/K(mV)。案(an)例(li)：故(gu)障(zhang)(zhang)現象：一臺(tai)(tai)50t電(dian)(dian)(dian)子(zi)地磅其示(shi)值(zhi)(zhi)(zhi)(zhi)時正(zheng)時負(fu)(fu)(fu)，稱重 誤(wu)差(cha)較(jiao)大。故(gu)障(zhang)(zhang)分(fen)析：a、機(ji)械(xie)結構出(chu)現故(gu)障(zhang)(zhang)；b、傳(chuan)(chuan)感(gan)(gan)(gan)器損(sun)(sun)壞(huai)(huai)。故(gu)障(zhang)(zhang)處理：用(yong)一輛3t鏟(chan)車壓四(si)角，發現其中(zhong)一角誤(wu)差(cha)特 別(bie)大。估計傳(chuan)(chuan)感(gan)(gan)(gan)器發生(sheng)故(gu)障(zhang)(zhang)。脫(tuo)開接(jie)(jie)線(xian)盒內各(ge)傳(chuan)(chuan)感(gan)(gan)(gan)器引線(xian)， 用(yong)萬用(yong)表(biao)測(ce)其輸(shu)(shu)入(ru)輸(shu)(shu)出(chu)電(dian)(dian)(dian)阻(zu)差(cha)值(zhi)(zhi)(zhi)(zhi)不(bu)(bu)太大。重點測(ce)量(liang)差(cha)值(zhi)(zhi)(zhi)(zhi)較(jiao)大 的(de)(de)(de)那(nei)一個(ge)角的(de)(de)(de)傳(chuan)(chuan)感(gan)(gan)(gan)器，發現輸(shu)(shu)入(ru)電(dian)(dian)(dian)阻(zu)變化較(jiao)大（正(zheng)常值(zhi)(zhi)(zhi)(zhi)為(wei)382 Q±4Q)，更(geng)換該只傳(chuan)(chuan)感(gan)(gan)(gan)器，故(gu)障(zhang)(zhang)即(ji)排除(chu)。

黑河便攜式汽車衡*北林稱重模塊

地磅汽車衡常(chang)見(jian)故(gu)障(zhang)(zhang)及排(pai)除方(fang)法(fa)通過觀察尋找各(ge)部件(jian)是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)有(you)(you)(you)(you)異常(chang)情況。如(ru)(ru)(ru)虛(xu)焊(han)(han)、開(kai)焊(han)(han)、斷線(xian)、燒焦、變色(se)、短路、碰接(jie)(jie)等。用(yong)(yong)模(mo)擬器(qi)(qi)可檢(jian)(jian)查(cha)(cha)(cha)(cha)(cha)稱重(zhong)(zhong)顯示(shi)(shi)器(qi)(qi) 是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)正(zheng)(zheng)(zheng)常(chang)，再查(cha)(cha)(cha)(cha)(cha)秤(cheng)體傳感(gan)器(qi)(qi) 連(lian)接(jie)(jie)件(jian)是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)損壞，然后(hou)(hou)再看(kan)一下接(jie)(jie)線(xian)盒(he)是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)受(shou)潮，如(ru)(ru)(ru)果受(shou)潮可取下接(jie)(jie)線(xian)板(ban)用(yong)(yong)酒精擦(ca)洗(xi)(xi)，干燥后(hou)(hou)系統(tong)可正(zheng)(zheng)(zheng)常(chang)工作。分析故(gu)障(zhang)(zhang)原因找出(chu)有(you)(you)(you)(you)毛病的(de)電(dian)(dian)(dian)(dian)路，更換電(dian)(dian)(dian)(dian)器(qi)(qi)件(jian)。掌(zhang)握(wo)電(dian)(dian)(dian)(dian)路關鍵測試點，記住電(dian)(dian)(dian)(dian)源(yuan)及集成塊的(de)主(zhu)(zhu)(zhu)要(yao)技術數(shu)據，查(cha)(cha)(cha)(cha)(cha)看(kan)有(you)(you)(you)(you)關說明書中錯誤碼，當(dang)其它檢(jian)(jian)查(cha)(cha)(cha)(cha)(cha)均無(wu)效時(shi)，應(ying)考慮更換主(zhu)(zhu)(zhu)板(ban)。1、稱量(liang)不正(zheng)(zheng)(zheng)常(chang)時(shi)的(de)解決方(fang)法(fa)檢(jian)(jian)查(cha)(cha)(cha)(cha)(cha)承(cheng)載器(qi)(qi)周圍是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)有(you)(you)(you)(you)異物(wu)卡(ka)死或相碰，承(cheng)載器(qi)(qi)活動(dong)是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)自如(ru)(ru)(ru)。2、稱重(zhong)(zhong)儀表 出(chu)現(xian)(xian)漂移的(de)解決方(fang)法(fa)當(dang)發現(xian)(xian)儀表 漂移，首先(xian)考慮電(dian)(dian)(dian)(dian)源(yuan)是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)正(zheng)(zheng)(zheng)常(chang)，預熱時(shi)間是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)按要(yao)求(qiu)做到。置零后(hou)(hou)觀察是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)還有(you)(you)(you)(you)漂移，如(ru)(ru)(ru)果有(you)(you)(you)(you)再檢(jian)(jian)查(cha)(cha)(cha)(cha)(cha)一下接(jie)(jie)線(xian)盒(he)是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)受(shou)潮，傳感(gan)器(qi)(qi) 絕緣電(dian)(dian)(dian)(dian)阻(zu)是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)滿(man)足要(yao)求(qiu)，如(ru)(ru)(ru)上(shang)述辦(ban)法(fa)均無(wu)效應(ying)考慮更換主(zhu)(zhu)(zhu)機放大電(dian)(dian)(dian)(dian)路。3、出(chu)現(xian)(xian)無(wu)顯示(shi)(shi)的(de)解決辦(ban)法(fa)首先(xian)檢(jian)(jian)查(cha)(cha)(cha)(cha)(cha)電(dian)(dian)(dian)(dian)源(yuan)插頭是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)插牢，保險絲是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)熔斷，電(dian)(dian)(dian)(dian)纜連(lian)線(xian)有(you)(you)(you)(you)無(wu)斷線(xian)，檢(jian)(jian)查(cha)(cha)(cha)(cha)(cha)傳感(gan)器(qi)(qi) 輸入、輸出(chu)阻(zu)值是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)符合要(yao)求(qiu)。例(li)如(ru)(ru)(ru)顯示(shi)(shi)器(qi)(qi) 質量(liang)窗全(quan)暗，但狀(zhuang)態(tai)燈亮，經檢(jian)(jian)查(cha)(cha)(cha)(cha)(cha)接(jie)(jie)線(xian)盒(he)信(xin)號線(xian)斷焊(han)(han)，用(yong)(yong)酒精擦(ca)洗(xi)(xi)，重(zhong)(zhong)新焊(han)(han)接(jie)(jie)，系統(tong)恢復正(zheng)(zheng)(zheng)常(chang)。4、打(da)(da)印(yin)機出(chu)現(xian)(xian)故(gu)障(zhang)(zhang)主(zhu)(zhu)(zhu)要(yao)檢(jian)(jian)查(cha)(cha)(cha)(cha)(cha)能否(fou)(fou)(fou)與主(zhu)(zhu)(zhu)機連(lian)機，送(song)紙(zhi)是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)正(zheng)(zheng)(zheng)常(chang)，設定指令(ling)是(shi)(shi)(shi)(shi)(shi)否(fou)(fou)(fou)丟失，打(da)(da)印(yin)頭有(you)(you)(you)(you)無(wu)卡(ka)住現(xian)(xian)象。例(li)如(ru)(ru)(ru)打(da)(da)印(yin)不出(chu)字(zi)可能是(shi)(shi)(shi)(shi)(shi)碎紙(zhi)屑、灰塵堵滿(man)打(da)(da)印(yin)針孔，用(yong)(yong)*清洗(xi)(xi)后(hou)(hou)便可打(da)(da)印(yin)。色(se)帶(dai)不可有(you)(you)(you)(you)撕裂現(xian)(xian)象。黑河便攜式汽車衡*北林稱重模塊