Author: Smartweigh-Multihead Weighter
Hauv kev tsim khoom ntawm automation thev naus laus zis thiab cov khoom siv hluav taws xob siv hluav taws xob hauv pej xeem, feem ntau ntawm cov teeb liab pulse yooj yim siv lub taub hau hnyav, thiab cov digital analog multihead weighters tau rov qab siv rau theem no. Vim yog lub teeb liab mem tes tshwm sim los ntawm lub hauv paus ntsiab lus ntawm resistor strain force transformation, nws yuav tsum yog lub teeb liab mem tes hloov mus rau hauv lub simulated analog ua hauj lwm voltage los yog simulated analog tam sim no raws li cov ntse transmitter. Ntau qhov kev ua haujlwm tau sau tseg hauv kev tsim khoom thiab kev siv thev naus laus zis, kev them nyiaj hluav taws xob hluav taws xob thiab kev hloov kho, mem tes modulation thiab lwm yam, yog li daim ntawv thov ntau dua. Txawm li cas los xij, nws cov ntaub ntawv tso tawm cov teeb liab me me, qhov kev sib kis tau luv luv, thiab kev cuam tshuam kev cuam tshuam tsis zoo. Cov khoom them nyiaj tshiab yog ua ke nrog t-test. Lub zog hluav taws xob them nyiaj thiab kev hloov kho thev naus laus zis yog qhov nyuaj, uas tsis tsuas yog siv sijhawm thiab ua haujlwm, tab sis kuj muaj qhov nyiaj tsawg tsawg; Qhov ntsuas ntsuas cov ntaub ntawv tswj kev ntsuas yog qhov nyuaj, Congenital shortcomings xws li kev teeb tsa tsis yooj yim thiab kev hloov kho tau txiav txim siab txoj kev loj hlob ntawm digital thiab analog multihead weighers ntawm cov zaub. Tsuas yog cov kev hloov pauv digital rau sab nraud ntawm lub zog hluav taws xob txuas hluav taws xob yog cov kab mob parasitic, thiab cov teeb liab mem tes hloov mus rau lub teeb liab analog.
Yog li ntawd, txoj kev hloov pauv digital tau tshwm sim. Ib qho yog los hloov cov ntaub ntawv tso tawm cov teeb liab ntawm cov digital analog multihead hnyav rau hauv lub teeb liab analog tso zis raws li cov ntaub ntawv ntse transmitter ntsia hauv nws, uas feem ntau hu ua tus ntse multihead hnyav. Namely: digital analog multihead weighter + data ntse transmitter = digital display multihead weighter. Cov duab digital sensor txais kev sib koom ua ke A / D hloov hluav taws xob hluav taws xob hluav taws xob, cov ntaub ntawv xov xwm ntse kis tau tus mob thiab cov tshuab lim digital. Cov ntaub ntawv teeb liab kis tau tus mob nyob deb ntawm lub sensor yog nyob deb, thiab kev tiv thaiv kev cuam tshuam muaj zog. Cov ntaub thaiv npog, ob tus yam ntxwv no ib leeg txiav txim siab qhov zoo ntawm nws txoj kev cuam tshuam, thiab txhim kho kev ntseeg siab ntawm inductor mus rau qib loj heev.
Cov khoom siv digital multihead hnyav hloov pauv cov cim ntsuas pulse teeb liab mus rau qhov siab-precision RS485 analog teeb liab, uas tuaj yeem tshem tawm qhov xav tau kev ntsuas, thiab tuaj yeem siv rau hauv kev lag luam ntau lawm tsis siv neeg tswj tshuab. Lub loaded quab yuam cov ntsiab lus ntawm lub applicator yog hloov dua siab tshiab rau hauv ib tug analog teeb liab. Lub ntsuas qhov hnyav rub lub siab yog hu ua cov hlab plawv ntawm cov khoom siv hnyav, thiab nws cov yam ntxwv txiav txim siab qhov tseeb thiab kev ntseeg siab ntawm cov khoom hnyav ntawm qib loj heev. Thaum tsim cov khoom hnyav, feem ntau nyuaj rau siv cov sensors.
Yuav siv qhov hnyav li cas nrog cov yam ntxwv zoo A multihead weighter yog ib qho cuab yeej uas hloov cov ntaub ntawv zoo rau hauv cov teeb liab hluav taws xob uas tuaj yeem ntsuas qhov tseeb. Thaum siv lub sensor, koj yuav tsum xub xav txog qhov chaw ua haujlwm tshwj xeeb uas lub sensor nyob. Qhov no yog qhov tseem ceeb tshwj xeeb rau kev siv kom zoo ntawm lub sensor. Nws muaj feem xyuam rau seb lub sensor tuaj yeem ua haujlwm li cas, lwm yam kev nyab xeeb thiab lub sijhawm ua haujlwm, thiab txawm tias muaj tag nrho cov khoom siv hluav taws xob. kev cia siab thiab kev cia siab. Yog li yuav ua li cas xaiv lub zog siab sensor rau qhov hnyav thiab rub? Kuv yuav muab cov lus qhia ntxaws ntxaws rau koj hauv qab no.
Qhov hnyav thiab rub lub siab sensors yog dav siv nyob rau hauv ntau yam hlau cov ntaub ntawv foil-type resistance strain gauges nrog tus nqi tsis kam ntawm 350Ω, thiaj li ua rau ntau yam khoom hnyav, uas muaj kev ua haujlwm siab, kev ntseeg tau zoo thiab cov ntaub ntawv qhia hauv cov ntawv thov tshwj xeeb. yooj yim thiab lwm yam nta. Daim ntawv thov ib puag ncig ntawm qhov hnyav rub lub siab sensor: qhov hnyav rub lub siab sensor yog qhov tseeb cov khoom siv uas hloov cov ntaub ntawv zoo rau hauv cov khoom siv hluav taws xob hluav taws xob uas tuaj yeem ntsuas qhov tseeb. Thaum siv lub sensor, koj yuav tsum xub xav txog qhov chaw ua haujlwm tshwj xeeb uas lub sensor nyob. Qhov no yog qhov tseem ceeb tshwj xeeb rau kev siv kom zoo ntawm lub sensor. Nws muaj feem xyuam rau seb lub sensor tuaj yeem ua haujlwm li cas thiab lwm yam kev nyab xeeb thiab siv sijhawm, thiab txawm tias muaj kev ntseeg siab ntawm txhua yam khoom siv hluav taws xob. kev ruaj ntseg thiab kev nyab xeeb yam.
Raws li ib txwm muaj, qhov kub thiab txias ib puag ncig ua rau muaj teeb meem xws li melting ntawm cov ntaub ntawv raw, qhov chaw vuam, thiab kev hloov ntawm cov qauv ntawm polyurethane elastomer thermal stress rau lub sensor; pa luam yeeb, plua plav, av noo thiab txias ua rau luv luv-circuit tsis ua hauj lwm ntawm sensor; nyob rau hauv ib puag ncig uas muaj corrosion siab heev Nws tuaj yeem ua rau muaj kev puas tsuaj rau polyurethane elastomer ntawm lub sensor lossis ua rau muaj kev cuam tshuam luv luv; magnetic teb yuav cuam tshuam rau cov zis ntawm lub sensor. Raws li cov txheeb ze ib puag ncig, koj yuav tsum xaiv qhov sib txuam quab yuam ntsuas ntau lub taub hau hnyav ua ntej koj tuaj yeem xav txog qhov tsim nyog hnyav cov cai.
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