Kev tshuaj xyuas ntawm lub hauv paus ntsiab lus, cov qauv thiab kev saib xyuas lub voj voog ntawm lub tshuab hluav taws xob ntau lub taub hau

Tus Sau: Smartweigh– Multihead Weigher

1 Lub hauv paus ntsiab lus thiab cov qauv ntawm lub tshuab ntsuas qhov hnyav ntau lub taub hau Lub hauv paus ntsiab lus ntawm lub tshuab ntsuas qhov hnyav ntau lub taub hau yog tias tom qab muab cov khoom tso rau hauv qhov ntsuas, lub ntsuas qhov hnyav hloov cov teeb liab qhov hnyav mus rau hauv cov teeb liab hluav taws xob sib piv, thiab tom qab ntawd lub ntsuas qhov hnyav ntau lub taub hau ua kom nrov dua, lim dej, A / D hloov pauv, thiab ua cov txheej txheem digital cov teeb liab tso tawm los ntawm lub sensor thiab tso saib rau ntawm qhov zaub. Lub ntsuas qhov hnyav ntau lub taub hau tuaj yeem muab faib ua plaub ntu, raws li pom hauv Daim Duab 1. Lub hauv paus ntsiab lus, cov qauv thiab kev saib xyuas lub voj voog ntawm lub rooj ntsuas qhov hnyav: Ua ntej, qhov ntsuas qhov hnyav, uas nws lub luag haujlwm tseem ceeb yog hloov cov teeb liab qhov hnyav ntxiv rau lub platform ntsuas qhov hnyav mus rau hauv cov teeb liab hluav taws xob tso tawm ntawm feem pua; qhov thib ob, qhov ntsuas qhov ntsuas, uas nws lub luag haujlwm tseem ceeb yog tso saib cov teeb liab digital tso tawm los ntawm lub sensor ntawm qhov zaub tom qab ua kom nrov dua, lim dej, A / D hloov pauv thiab ua cov txheej txheem digital; qhov thib peb, qhov ntsuas lub cev, uas nws lub luag haujlwm tseem ceeb yog thauj khoom, thiab lub kaw lus kho tshuab kuj tuaj yeem faib ua lub platform ntsuas, qhov hloov pauv txwv, thiab gong bolt; cov khoom siv hluav taws xob muaj cov terminals, cov xov hlau sib txuas lus, thiab lwm yam.; plaub, qhov peripheral ib feem, uas yog hais txog cov khoom siv txuas nrog lub qhov tso zis teeb liab ntawm lub cuab yeej digital thiab tau txais lub teeb liab tso zis ntawm lub vaj huam sib luag; cov khoom siv feem ntau suav nrog cov tshuab luam ntawv, cov zaub loj, thiab lub khoos phis tawj tswj hwm lub tshuab; ntxiv rau, muaj cov tswv yim analog thiab cov zis, cov zis fiber ntau, cov zis relay nruab nrab, thiab lwm yam. Lub rooj ntsuas hluav taws xob ntau lub taub hau tuaj yeem muab faib ua ob pawg raws li hom teeb liab, uas yog, lub rooj ntsuas hluav taws xob ntau lub taub hau thiab lub rooj ntsuas hluav taws xob ntau lub taub hau. Lub rooj ntsuas hluav taws xob ntau lub taub hau Lub nplai ntsuas tau txais cov teeb liab digital, thiab lub cev nplai siv cov sensors analog, uas hloov qhov hnyav ntxiv rau qhov nplai mus rau hauv cov teeb liab hluav taws xob sib piv los ntawm kev hloov pauv ntawm lub cev elastic kom ua rau muaj kev tiv thaiv ntawm lub ntsuas resistor; lub ntsuas hluav taws xob ntau lub taub hau yog ib qho cuab yeej uas sib xyaw cov thev naus laus zis niaj hnub, cov thev naus laus zis micro-processing, cov thev naus laus zis them nyiaj digital thiab cov ntsuas ntsuas qhov hnyav ib txwm muaj. Nws tuaj yeem xam qhov hnyav los ntawm lub khoos phis tawj thiab tso saib, khaws cia, theej thiab xa nws los ntawm kev muab lub interface sib txuas lus thiab protocol uas phim lub sensor digital. 2 Cov txheej txheem txij nkawm ntawm cov nplai hnyav hluav taws xob ntau lub taub hau thiab cov voj voog sensor Cov nplai hnyav hluav taws xob ntau lub taub hau Muaj ntau yam kev ua txhaum ntawm cov rooj ntsuas, thiab muaj ntau yam ua rau muaj kev ua txhaum. Thiab tib yam kev ua txhaum feem ntau muaj ntau yam laj thawj. Vim yog qhov xav tau kev kuaj pom qhov txhaum, peb yuav tsum xub sim nrhiav thiab txiav txim siab qhov chaw ntawm qhov txhaum. Kev tshawb nrhiav qhov txhaum feem ntau yog raws li qhov xwm txheej txhaum sau tseg thaum lub sijhawm ua txhaum thiab cov haujlwm ntawm cov khoom siv hauv lub cev, cov khoom siv hluav taws xob, cov khoom sib txuas, thiab cov khoom. Ua ke nrog cov hom kev ua txhaum sau tseg thaum lub sijhawm daws teeb meem ib txwm muaj, txhua yam uas ua rau muaj qhov txhaum raug kuaj xyuas thiab tshuaj xyuas. Tom qab ntawd, cia siab rau multimeter, video teeb liab vaj huam sib luag, los ntawm ntau txoj kev, xyuas qhov chaw tsis zoo ib qho los ntawm ib qho, thiab thaum kawg txiav txim siab qhov chaw ntawm qhov txhaum. 2.1 Kev ua tsis tiav los ntawm cov yam ntxwv ib puag ncig Kev hloov pauv ntawm cov yam ntxwv ib puag ncig tuaj yeem ua rau qhov hnyav ntawm cov nplai hluav taws xob. Cov yam ntxwv tseem ceeb suav nrog kev hloov pauv ntawm lub zog fais fab. Kev co, cua ceev, xob laim, thiab lwm yam, uas ua rau lub nplai hluav taws xob ua haujlwm tsis ruaj khov. Yog li ntawd, lub nplai hluav taws xob yuav tsum pib tsawg li tsawg tau hauv huab cua cua thiab cua daj cua dub. Tib lub sijhawm, cov kev ntsuas tiv thaiv xob laim thiab kev tiv thaiv av ntawm lub nplai hluav taws xob yuav tsum tau ua kom zoo. Rau kev co, cov kev ntsuas tiv thaiv kev co xws li cov khoom siv buffer thiab cov trenches tiv thaiv tuaj yeem siv los txo nws qhov cuam tshuam. Lub zog ntawm lub cev hluav taws xob tsis tuaj yeem siv los txuas hluav taws xob lossis hloov kho qhov parameter tswj hwm lub zog. 2.2 Kev ua tsis tiav ntawm cov khoom siv ntawm lub cev nplai Kev ua tsis tiav ntawm cov khoom siv ntawm lub cev nplai feem ntau suav nrog kev hloov pauv ntawm qhov kev txhawb nqa nplai, lub cev nplai raug nias los ntawm av, kev ua tsis tiav ntawm cov khoom siv hloov pauv txwv, thiab kev txhawb nqa qhov hnyav sensor nodding tsis ua haujlwm. Cov nplai hluav taws xob feem ntau txav cov khoom siv hauv kev siv mus sij hawm ntev, thiab cov khoom siv tau tawg tas li. Cov khoom siv kho tshuab tau txhawb nqa ntev. Kev puas tsuaj tuaj yeem ua rau muaj kev puas tsuaj rau cov khoom siv kho tshuab. Kev ua tsis tiav ntawm cov khoom siv kho tshuab ntawm cov nplai hluav taws xob feem ntau tuaj yeem pom ncaj qha nrog lub qhov muag, lossis tuaj yeem txheeb xyuas tau yooj yim los ntawm seb lub cev nplai co yooj yim kom tshem tawm cov qhov tsis zoo. 2.3 Kev ua tsis tiav ntawm sensor Lub sensor hnyav yog lub hauv paus ntawm lub nplai hluav taws xob. Nws muaj lub luag haujlwm ntawm kev hloov lub zog mus rau hauv cov teeb liab hluav taws xob. Kev ua tsis tiav ntawm lub sensor hnyav tuaj yeem ua rau muaj kev hloov pauv loj hauv qhov kev hnyav ntawm lub nplai hluav taws xob. Lub nplai tsis tuaj yeem rov qab mus rau xoom. Qhov hnyav ntawm lub log sib txawv loj heev. Qhov rov ua dua tsis zoo, thiab lwm yam. 1) Yog tias muaj qhov sib txawv loj hauv qhov hnyav ntawm lub tshuab hluav taws xob, ua ntej saib seb tus nqi code puas ruaj khov, seb puas muaj kev sib txhuam ntawm txhua qhov chaw ntawm lub sensor, seb lub zog fais fab hloov kho tau ruaj khov, thiab seb lub voj voog op amp puas zoo li qub. , siv cov hnyav txheem los xyuas seb plaub ceg ntawm lub tshuab ntsuas puas hnyav sib npaug. Raws li cov lus qhia, ntxiv tshuaj xyuas lub vaj huam sib luag lossis kho qhov hnyav tag nrho. 2) Yog tias lub tshuab hluav taws xob tsis tuaj yeem rov qab mus rau xoom, ua ntej xyuas seb tus nqi teeb liab tso zis ntawm lub sensor puas nyob hauv tus qauv (A/D tag nrho cov lej hloov pauv / ntau yam lej thov / ntau yam lej hauv qab). Yog tias tus nqi teeb liab tsis nyob hauv tus qauv, kho qhov tsis kam hloov kho ntawm lub sensor kom kho tus nqi teeb liab rau tus qauv. Yog tias nws tsis tuaj yeem them rov qab, thov xyuas seb lub sensor puas puas lawm. Tom qab xyuas kom meej tias cov zis ntawm lub sensor yog qhov qub (lub cev ntawm lub tshuab ntsuas ruaj khov), xauv lub vaj huam sib luag tas li. Yog tias muaj qhov txhaum, nws feem ntau yog los ntawm lub voj voog amplifier thiab lub voj voog hloov pauv A/D. Tom qab ntawd, raws li lub hauv paus ntsiab lus ntawm lub voj voog, peb yuav tsum xub xyuas seb lub hwj chim puas zoo li qub, tom qab ntawd txuas lub teeb liab nkag mus rau lub teeb liab video, kho qhov loj me ntawm lub teeb liab video, thiab saib seb qhov hluav taws xob tom qab nce ntxiv puas zoo li qub. Tom qab ntawd siv lub oscillator digital los xyuas seb lub oscillator siv lead ua oscillating puas yog oscillating, xyuas seb qhov tso zis ntawm txhua qhov taw tes puas zoo li qub, thiab thaum kawg xyuas lub voj voog optocoupler thiab lwm lub voj voog tso zis kom pom qhov txhaum. 3) Lub nplai hluav taws xob muaj qhov hnyav loj lossis rov ua dua tsis zoo. Qhov xwm txheej no zoo ib yam li qhov xwm txheej ntawm kev tsis tuaj yeem rov qab mus rau xoom. Feem ntau, nws yuav yog vim qhov kev hloov pauv ntawm qhov ntau ntawm cov teeb liab nkag me me. Raws li txoj kev tsis tuaj yeem rov qab mus rau xoom, yog tias tsis muaj teeb meem pom, ua ntej xyuas lub hwj chim. Seb lub voj voog A / D puas zoo li qub, thiab tom qab ntawd xyuas cov zis sensor. Tsis tas li ntawd, txoj kev ntsuas dynamic tuaj yeem siv los xyuas qhov txhaum ntawm lub sensor. Qhov kev daws teeb meem yog txuas cov xov hlau sensor rau lub motherboard kom raug, siv lub iav DCV ntawm lub ntsuas digital (plaub thiab ib nrab tus lej lossis ntau dua yog qhov zoo tshaj plaws), thiab ntsuas S + rau Puas yog qhov voltages ua haujlwm ntawm av thiab S- rau av zoo ib yam (qhov zoo dua yog 0 deviation)? Yog tias tsis yog, lub sensor yuav tsum tau them rov qab. Txoj kev yog tias yog tias lub teeb liab tso zis sensor siab dhau, thov ntxiv lub resistor hloov pauv ntawm "E + S-" ntawm lub sensor kom ua rau tus nqi teeb liab nyob rau hauv qhov ntau thiab tsawg (qhov qis dua qhov tsis kam, qhov qis dua qhov teeb liab tso zis sensor). Yog tias lub teeb liab tso zis sensor qis dhau lossis -ERR, thov ntxiv lub resistor hloov pauv ntawm "E + ~ S +" ntawm lub sensor kom ua rau tus nqi teeb liab nyob rau hauv qhov ntau thiab tsawg (qhov qis dua qhov tsis kam, qhov siab dua qhov teeb liab tso zis sensor). 2.4 Lub tshuab hluav taws xob ntau lub taub hau Lwm yam kev ua yuam kev thiab kev kho ntawm lub ntsuas qhov hnyav 1) Thaum lub tshuab hluav taws xob tsis tuaj yeem qhib, ua ntej xyuas lub tshuab hluav taws xob lub qhov hloov hluav taws xob tseem ceeb, lub qhov ntsaws hluav taws xob, lub qhov hloov hloov hluav taws xob thiab lwm yam khoom siv hluav taws xob thiab qhov sib npaug ntawm qhov xav tau. Yog tias tsis muaj teeb meem, ces xyuas seb lub transformer puas muaj AC input thiab AC output. Yog tias lub vaj huam sib luag muaj roj teeb, tshem lub roj teeb tawm thiab tom qab ntawd pib nws nrog AC fais fab kom tsis txhob muaj qhov tsis zoo los ntawm qhov tsis txaus ntawm lub roj teeb voltage. Thaum kawg, xyuas seb lub inverter circuit, voltage regulator circuit thiab zaub optocoupler circuit puas tsis zoo. Yog tias cov no yog qhov ib txwm muaj, xyuas seb CPU thiab cov auxiliary circuits puas hlawv tawm. 2) Lub vijtsam ntsuas hluav taws xob qhia cov lej yuam kev. Tshem tawm lub voj voog zaub qub thiab hloov nws nrog lub voj voog zaub ib txwm muaj kom pom tias nws yog qhov ib txwm muaj. Yog tias cov ntaub ntawv tau tso tawm ib txwm muaj, nws txhais tau tias muaj teeb meem nrog lub voj voog zaub. Yog tias nws tsis zoo, xyuas seb lub voj voog optocoupler puas muaj qhov tsis zoo, thiab thaum kawg xyuas seb CPU zaub tso zis pin puas nyob hauv qhov tso zis raug cai. 3) Tus yuam sij ua haujlwm tsis ua haujlwm zoo lossis tsis ua haujlwm. Ua ntej, xyuas seb puas muaj qhov xau ntawm qhov chaw ua haujlwm yuam sij, ua rau muaj luv luv lossis luv luv; qhov thib ob, xyuas seb lub yuam sij ua haujlwm ntsaws thiab lub qhov hluav taws xob puas sib cuag zoo thiab seb puas muaj qhov xoob; qhov thib peb, xyuas seb lub qhov (socket) ua haujlwm yuam sij puas tau vuam zoo; plaub, xyuas seb lub qhov hluav taws xob ntawm lub qhov hluav taws xob thiab kab txuas hluav taws xob CPU puas muaj luv luv lossis luv luv. Yog tias qhov txhaum tseem tsis tau pom, qhov thib tsib yog ntsuas kom raug seb cov diodes thiab resistors ntawm cov yuam sij ua haujlwm thiab CPU circuits puas muaj luv luv lossis luv luv circuits. Hauv ntej, qhov ua rau muaj hluav taws xob multihead Muaj ntau qhov txhaum ntau hauv cov nplai ntsuas, thiab cov xwm txheej txhaum kuj nyuaj heev. Qee zaum ntau qhov txhaum tshwm sim tib lub sijhawm. Cov nplai ntsuas hluav taws xob multihead zoo ib yam li lwm cov khoom siv hluav taws xob. Tsuav koj nkag siab txog nws cov ntsiab cai thiab cov voj voog, koj tuaj yeem ua kev txij nkawm. Thaum daws cov teeb meem ntau ntawm cov nplai ntsuas hluav taws xob multihead, koj yuav tsum ua qhov kev tshuaj xyuas tob tob raws li cov xwm txheej txhaum ntau tiag tiag, ua tib zoo xyuas theem uas yuav ua rau muaj qhov txhaum ntau, sai thiab raug txheeb xyuas qhov chaw txhaum ntau, thiab xyuas kom meej tias cov nplai ntsuas hluav taws xob multihead hnyav raug. Kev Taw Qhia: Piv nrog cov nplai ntsuas tshuab, cov nplai ntsuas hluav taws xob multihead muaj ntau qhov zoo xws li kev hnyav sai, kev tso saib yooj yim, thiab tsis yooj yim rau kev puas tsuaj. Lawv daim ntawv thov tau dhau los ua ntau dua thiab ntau dua, thiab lawv tau hloov cov nplai ntsuas tshuab maj mam. Hauv daim ntawv no, cov qauv thiab lub hauv paus ntsiab lus ntawm cov nplai ntsuas hluav taws xob ntau lub taub hau tau tham ua ntej hauv kev sib txuas nrog qhov tseeb, thiab tom qab ntawd cov txheej txheem kev saib xyuas ntawm cov nplai ntsuas hluav taws xob ntau lub taub hau thiab cov voj voog txuas nrog sensor tau tham. 1 Lub hauv paus ntsiab lus thiab cov qauv ntawm cov nplai ntsuas hluav taws xob ntau lub taub hau Cov nplai ntsuas hluav taws xob ntau lub taub hau Lub hauv paus ntsiab lus ntawm lub ntsuas yog tias tom qab cov khoom raug thauj mus rau hauv qhov ntsuas, lub ntsuas qhov hnyav hloov cov ntaub ntawv qhov hnyav tag nrho mus rau hauv lub teeb liab hluav taws xob ntawm cov zis feem pua, thiab tom qab ntawd lub rooj ntsuas ntau lub taub hau ua kom nrov, lim, A / D hloov pauv, thiab ua cov txheej txheem digital cov zis teeb liab los ntawm lub sensor thiab tso saib nws ntawm qhov zaub. Lub rooj ntsuas tuaj yeem faib ua plaub ntu, raws li pom hauv Daim Duab 1. Thawj zaug yog qhov ntsuas qhov hnyav, uas nws lub luag haujlwm tseem ceeb yog hloov cov teeb liab qhov hnyav tag nrho ntxiv rau lub platform ntsuas mus rau hauv cov zis teeb liab hluav taws xob ntawm feem pua; qhov thib ob yog qhov ntsuas digital tso saib, uas nws lub luag haujlwm tseem ceeb yog ua kom nrov, lim, A / D hloov pauv, thiab tso saib cov zis teeb liab digital los ntawm lub sensor ntawm qhov zaub tom qab ua tiav digital; qhov thib peb yog qhov ntsuas lub cev, uas nws lub luag haujlwm tseem ceeb yog thauj khoom, thiab lub tshuab kho tshuab kuj tseem tuaj yeem muab faib ua lub platform hnyav, lub hloov pauv hloov chaw, thiab lub gong bolt; cov khoom siv hluav taws xob muaj cov terminals, cov xov hlau sib txuas lus, thiab lwm yam; qhov thib plaub yog qhov peripheral, uas hais txog cov khoom siv txuas nrog lub qhov tso zis teeb liab ntawm cov cuab yeej digital zaub thiab tau txais cov teeb liab tso zis ntawm lub vaj huam sib luag ntsuas; cov khoom siv feem ntau suav nrog cov tshuab luam ntawv, cov zaub loj, thiab cov khoos phis tawj tswj hwm ntse; ntxiv rau, kuj tseem muaj cov tswv yim analog thiab cov zis, cov zis fiber optical, cov zis relay nruab nrab, thiab lwm yam.

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