電動葫蘆起吊的重物重量,由電阻應變式傳感器檢測後,將實物重量線性化轉換成模擬量電信號送到放大器放大,然後進行A/d轉(zhuan)換(huan)成(cheng)數(shu)字(zi)量(liang),輸(shu)入(ru)單(dan)品(pin)及(ji)經(jing)處(chu)理(li)送(song)到(dao)數(shu)字(zi)顯(xian)示(shi)屏(ping)顯(xian)示(shi),與(yu)此(ci)時(shi)單(dan)品(pin)及(ji)將(jiang)測(ce)出(chu)的(de)重(zhong)量(liang)與(yu)預(yu)知(zhi)的(de)額(e)定(ding)載(zai)荷(he)驚(jing)醒(xing)比(bi)較(jiao),當(dang)發(fa)現(xian)達(da)到(dao)額(e)定(ding)載(zai)荷(he)時(shi)電(dian)動(dong)葫(hu)蘆(lu)限(xian)製(zhi)器(qi)發(fa)出(chu)報(bao)警(jing)聲(sheng)提(ti)醒(xing)工(gong)作(zuo)人(ren)員(yuan)注(zhu)意(yi),最(zui)後(hou)當(dang)達(da)到(dao)垃(la)圾(ji)報(bao)警(jing)點(dian)時(shi),除(chu)發(fa)出(chu)連(lian)續(xu)報(bao)警(jing)聲(sheng)外(wai),限(xian)製(zhi)器(qi)內(nei)繼(ji)電(dian)器(qi)動(dong)作(zuo),立(li)即(ji)切(qie)斷(duan)電(dian)動(dong)葫(hu)蘆(lu)上(shang)升(sheng)接(jie)觸(chu)電(dian)源(yuan),起(qi)重(zhong)葫(hu)蘆(lu)停(ting)止(zhi)作(zuo)業(ye),但(dan)不(bu)影(ying)響(xiang)其(qi)他(ta)機(ji)構(gou),以(yi)達(da)到(dao)限(xian)載(zai)保(bao)護(hu)作(zuo)用(yong)。
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