Smart Weigh tau cog lus los pab cov neeg siv khoom nce kev tsim khoom ntawm tus nqi txo.
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Smart Weigh tau cog lus los pab cov neeg siv khoom nce kev tsim khoom ntawm tus nqi txo.
Author: Smartweigh-Multihead Weighter
Lub hauv paus ntsiab lus thiab daim ntawv thov kev txawj ntse ntawm multihead weighter Lub multihead weighter belongs rau lub nro thiab siab sensor, uas yog feem ntau siv nyob rau hauv qhov tseeb ntsuas ntawm cov ntaub ntawv zoo li qub thiab dynamic precision ntsuas. 1. Lub ntsiab lus ntawm multihead weigher tag nrho txiav txim siab qhov gravitational acceleration (g) ntawm daim ntawv thov chaw nyob thiab buoyancy (f) ntawm cov dej roj, raws li kev hloov pauv ntawm ib qho ntawm qhov raug ntsuas (zoo) mus rau lwm qhov raug ntsuas (tso zis) . ) kom raug ntsuas qhov zoo ntawm lub zog sensor. 2. Lub tswv yim tseem ceeb ntawm multihead weighter Polyurethane elastomer (kev vibration isolator, ntau rhiab nqaj) ua rau elastic deformation nyob rau hauv sab nraud quab yuam, yog li hais tias cov kuj strain gauge (transformation tivthaiv) pasted rau ntawm nws nto kuj ua rau deformation, thiab cov kuj strain gauge deforms tom qab. uas, nws tus nqi kuj yuav hloov (nthuav lossis txo), thiab tom qab ntawd tus resistor yuav hloov mus rau hauv lub teeb liab hluav taws xob los ntawm kev ntsuas qhov tseeb ntawm lub zog hluav taws xob, thiab tom qab ntawd tag nrho cov txheej txheem ntawm kev hloov lub zog sab nraud rau hauv lub teeb liab hluav taws xob. ua tiav.
Nws tsis yog qhov nyuaj kom pom tias qhov ntsuas qhov ntsuas tsis sib haum, polyurethane elastomers thiab kuaj lub zog hluav taws xob yog ntau qhov tseem ceeb uas tsis tuaj yeem tsis muaj nyob rau hauv lub zog resistor strain force multihead weighter. Peb theem no tau piav qhia luv luv hauv qab no. 1. Resistance strain gauge The resistance strain gauge yog ib qho ntawm cov khoom siv hluav taws xob cua sov hlau cov khoom siv hluav taws xob kis tau los ntawm cov khoom siv organic, uas yog, cov khoom siv tiv thaiv kab mob.
Ib qho ntawm nws qhov tseem ceeb tsis tseem ceeb yog qhov dexterity Performance index K. Thaum nws ob sab raug F quab yuam, nws yuav ncab, hauv lwm lo lus ua rau deformation. Piv txwv tias nws yog stretched, nws qhov cross-sectional cheeb tsam yuav me me, uas yog, nws cross-sectional ncig semicircle txo.
Cov kev sib raug zoo ntawm cov kuj elastic coefficient ntawm cov kuj strain gauge (tus txheeb ze hloov ntawm lub resistor) thiab elongation ntawm lub cua sov hlau (qhov txheeb ze hloov ntawm qhov ntev thiab luv) yog proportional. Nws yuav tsum tau muab sau tseg tias qhov loj ntawm qhov rhiab heev Performance index K tus nqi yog ib tug parameter txiav txim los ntawm cov yam ntxwv ntawm cov khoom siv raw rau ua cov hlau cua sov hlau. Nws tsis muaj dab tsi ua nrog qhov tsos thiab qhov loj ntawm qhov ntsuas qhov ntsuas qhov ntsuas. Tus nqi K ntawm cov khoom sib txawv yog feem ntau nyob rau hauv 1.7—3.6 Nruab nrab; tus nqi tom ntej K yog qhov tsis muaj qhov ntau, uas yog, nws tsis muaj qhov loj me. Hauv engineering mechanics, ΔL / L yog hu ua lub zog quab yuam, qhia tias yog ε, thiab nws feem ntau siv los qhia tias qhov ductility loj heev, uas tsis yooj yim heev. Nws yog feem ntau siv raws li ib lab ntawm lub lag luam, denoted li με.
2. Polyurethane elastomer Polyurethane elastomer yog ib feem nrog ib tug tshwj xeeb tsos. Nws muaj ob txoj haujlwm. Ua ntej, nws dais lub zog sab nraud ntawm multihead weighter, uas ua rau lub zog recoil kom ua tiav qhov sib npaug ntawm tus txheeb ze; Qhov ntsuas qhov ntsuas qhov ntsuas tau txuas rau thaj chaw no yog qhov zoo tagnrho rau kev ua haujlwm txhua hnub ntawm kev hloov lub zog quab yuam thiab hluav taws xob teeb liab. 3. Kev tshuaj xyuas ntawm lub hwj huam mov Circuit Court Kev ua haujlwm ntawm kev tshuaj xyuas ntawm lub hwj huam mov Circuit Court yog hloov lub resistor ntawm qhov kev tiv thaiv strain gauge mus rau hauv ib tug ua hauj lwm voltage tso zis.
Vim tias tus choj Wheatstone muaj ntau yam zoo, xws li tuaj yeem cuam tshuam qhov kev puas tsuaj ntawm qhov kub thiab txias, tiv thaiv kev cuam tshuam ntawm sab quab yuam, thiab muaj peev xwm daws tau yooj yim nrog cov teeb meem them nyiaj ntawm ntau lub taub hau hnyav, Wheatstone choj tau siv dav hauv. lub multihead weighter. siv. Txij li thaum lub caj npab choj Circuit Court xws li tag nrho cov tsub zuj zuj thiab tso tawm saw muaj lub siab tshaj plaws rhiab heev, lub ntsiab tsis ntawm txhua caj npab yog tib yam, thiab cov kev phom sij ntawm ntau yam influences yog heev yooj yim rau offset ib leeg, yog li ntawd lub multihead weigher txais tag nrho tsub zuj zuj. thiab tso cov saw thiab lwm yam caj npab choj circuits.
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