Author: Smartweigh-Multihead Weighter
Raws li International Proposal No. 60 ntawm International Organization for Legal Metrology (OIML), multihead weighter tuaj yeem muab faib ua plaub theem: a, b, c, thiab d raws li nws cov kev ua tau zoo. Yuav tsum muaj qhov tsawg kawg nkaus thiab sab sauv ntawm txhua qib. Qhov siab tshaj plaws ntawm lub sensor nrog qhov tseeb qhov tseeb yog qhia los ntawm 1000.
multihead hnyav. Piv txwv li, C3 qhia cov ntaub ntawv hais txog 3000-feeb c-class multihead hnyav. Sensors siv nyob rau hauv daim ntawv thov kev ntsuas kev lag luam dav dav yuav tsum ua tiav qib C3.
Hauv lwm lo lus, 3000 ntsiab lus. Piv txwv li, 30t multihead hnyav, piv txwv tias nws qhov ntsuas ntsuas ntsuas yog 3000, nws qhov ntsuas ntsuas ntsuas ntsuas yog 10kg. Piv txwv tias nws qhov ntsuas ntsuas qhov ntsuas yog 2500, nws qhov ntsuas ntsuas ntsuas yog 12kg.
Nws yog assumed tias lub sensor ua tau raws li qhov yuav tsum tau ntawm lub teb chaws kev lag luam tus qauv nyob rau hauv lub metrological pov thawj qhab nia ntawm 3000, thiab qib ntawm lub sensor yog C3. Yog hais tias tsuas yog nyob rau hauv 2500 feeb ntawm kev soj ntsuam metrological kom tau raws li qhov yuav tsum tau, lub sensor yog C2.5 qib. Yog tias qhov qis dua tuaj yeem ua tiav 1000 cov ntsiab lus, lub sensor yog qib C1, thiab qhov ntsuas ntsuas qhov ntsuas lub sijhawm no yog 30kg.
Cov theem ntawm kev xaiv. Nyob rau hauv tag nrho cov txheej txheem ntawm kev xaiv ib tug multihead weigher, qhov tseeb theem ntawm lub sensor kuj yog ib tug tseem ceeb taw qhia tus nqi, uas yuav ua rau muaj kev cuam tshuam qhov tseeb ntawm qhov hnyav scale. Ua ntej thiab qhov tseem ceeb tshaj plaws, nws yog ib qho tseem ceeb uas yuav tau xav txog qhov tseem ceeb ntawm cov kev cai ntawm qhov ntsuas qhov ntsuas.
Nqa cov qauv hauv qab no los xam seb lub sensor thiab lub ntsuas vaj huam sib luag puas zoo ib yam. multihead weighter rooj&Qhov taw qhia qhov hnyav. Cov zis rhiab heev ntawm lub sensor * txhawb nqa lub zog hluav taws xob * qhov ntsuas qhov hnyav dua, qhov ntsuas qhov qis ntawm myopia * tus naj npawb ntawm cov sensors * ntsuas ntau ntawm lub sensor.
Cov zis cov ntaub ntawv teeb liab ntawm lub sensor yuav tsum tsis meej los ntawm cov input cov ntaub ntawv teeb liab teev los ntawm lub ntsuas vaj huam sib luag. Piv txwv tias qee tus nqi yog 25kg ntau lub tshuab ntim khoom, qhov ntsuas nrog qhov ua tau zoo tshaj plaws ntawm 1000 feeb xaiv 3 sensors, tus nqi yog 25kg, thiab rhiab heev yog 2.0±0.008mV / V, lub teev nrog arc ua hauj lwm voltage ntawm 12V xaiv lub multihead weigher rooj. Tshawb xyuas seb lub sensor thiab lub dashboard yog tib yam.
Nyeem cov khoom thiab pom tias cov ntaub ntawv tawm tswv yim ntawm lub ntsuas vaj huam sib luag yog 2x12x25/1000x3x25 = 8μV / d>0.6 μV / d. Yog li ntawd, lawv yog tib yam.
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