Smart Weigh tau cog lus los pab cov neeg siv khoom nce kev tsim khoom ntawm tus nqi txo.
Lus
Smart Weigh tau cog lus los pab cov neeg siv khoom nce kev tsim khoom ntawm tus nqi txo.
Author: Smartweigh-Multihead Weighter
Cov duab digital multihead weighter tsim nyob rau hauv daim ntawv no yog lub ntsuas ntsuas ntsuas ntsuas raws li lub zog tiv thaiv lub zog sensor thiab tib lub nti tsim raws li tus yuam sij tswj. Qhov ntsuas qhov ntsuas yog 0-10kg, thiab qhov ntsuas qhov tseeb yog±2g, cov kua siv lead ua kua zaub tso saib cov ntaub ntawv ntawm cov ntaub ntawv ntsuas qhov tseeb, ntxiv rau, cov ntaub ntawv ntawm cov ntaub ntawv ntsuas tau raug xa mus rau lub khoos phis tawj hluav taws xob los tso saib cov ntaub ntawv raws li kev sib txuas lus serial. Lub kaw lus software muaj cov yam ntxwv ntawm siab precision, ruaj khov yam ntxwv thiab ua haujlwm yooj yim. Daim duab duab ntawm multihead weighter design scheme yog qhia nyob rau hauv daim duab 1 hauv qab no: 1. Hardware configuration circuit hauv paus ntsiab lus 1.1. Qhov hnyav sensor resistor Lub zog quab yuam hom qhov hnyav sensor yog tsim los ntawm ntau qhov tseem ceeb xws li cov ntsuas ntsuas tsis kam, polyurethane elastomers thiab tshuaj xyuas lub zog hluav taws xob.
Lub polyurethane elastomer ua rau elastic deformation nyob rau hauv sab nraud quab yuam, thiaj li hais tias cov kuj strain gauge txuas rau nws nto kuj ua rau deformation. Tom qab qhov kev ntsuas qhov ntsuas tsis zoo yog deformed, nws tus nqi kuj yuav hloov (nthuav lossis txo), thiab tom qab ntawd los ntawm kev ntsuas qhov tseeb Lub zog hluav taws xob hloov hluav taws xob hloov mus rau hauv hluav taws xob teeb liab (ua haujlwm voltage lossis tam sim no), thiab tom qab ntawd ua tiav tag nrho cov txheej txheem ntawm kev hloov pauv. sab nraud quab yuam mus rau hauv lub teeb liab hluav taws xob. Qhov ntsuas hluav taws xob ntsuas hluav taws xob tau pom nyob rau hauv daim duab 2, thiab qhov kev tiv thaiv ntawm qhov ntsuas qhov ntsuas tsis kam hloov mus rau qhov ua haujlwm voltage. Vim tias Wheatstone choj muaj ntau yam zoo, xws li kev muaj peev xwm tiv thaiv kev kub ntxhov ntawm kev hloov pauv, tiv thaiv kev cuam tshuam ntawm sab quab yuam, thiab yooj yim daws cov teeb meem ntawm qhov hnyav sensor, Wheatstone choj tau siv dav hauv qhov hnyav. sensors. siv.
Qhov hnyav sensor feem ntau muaj plaub kab ntawm I / O, thiab cov zis tsis kam yog feem ntau 350Ω, 480Ω, 700Ω, 1000Ω. Lub input davhlau ya nyob twg yuav feem ntau nqa tawm ib co nyiaj them rau kub thiab rhiab heev. Lub input davhlau ya nyob twg resistor yuav yog 20-100Ω siab tshaj qhov tso zis davhlau ya nyob twg. Yog li ntawd, I / O terminals tuaj yeem paub qhov txawv los ntawm kev ntsuas tus nqi tiv thaiv nrog digital multimeter. 1.2. Cov ntaub ntawv tso tawm cov teeb liab ntawm kev ua haujlwm amplifier strain-type weight sensor tsis muaj zog (hauv qhov kev txiav txim ntawm mV lossis txawm μV), thiab feem ntau nrog lub suab nrov. Rau xws li cov ntaub ntawv teeb liab, thawj kauj ruam nyob rau hauv lub hwj chim mov Circuit Court daws yog feem ntau xaiv ib tug instrumentation amplifier rau thawj qhov loj me me cov ntaub ntawv teeb liab.
Instrumentation amplifier fais fab mov circuits muaj zog ntau hom rejection muaj peev xwm tshaj qhov yooj yim sib txawv teeb liab op amps. Lub hom phiaj tseem ceeb tshaj plaws ntawm kev nce tsis yog qhov nce nqi, tab sis tsuas yog txhawm rau txhim kho qhov kev ruaj ntseg ntawm lub zog hluav taws xob. Nyob rau hauv qhov kev tsim no, lub instrumentation amplifier txais cov qauv ntawm OP07 peb lub lag luam amplifiers.
Raws li pom nyob rau hauv daim duab 3. Thaum R1 = R2, R3 = R4, Rf = R5, qhov nce nqi ntawm lub hwj huam mov Circuit Court yog: G = (1 + 2R1 / RG1) (Rf / R3). Nws tuaj yeem pom los ntawm cov qauv kev suav tias qhov kev hloov pauv ntawm qhov nce ntawm cov khoom siv hluav taws xob tuaj yeem ua tiav los ntawm kev hloov pauv tus nqi ntawm RG1.
1. 3. A/D conversion fais fab mov Circuit Court A/D converter xaiv hluav taws xob scale-specific integrated icHX711, uas yog ib tug 24-ntsis A/D converter integrated ic qhia tshwj xeeb uas tsim rau high-precision hluav taws xob ntsuas. Piv nrog rau lwm cov kev sib xyaw ICs ntawm tib hom, kev sib koom ua ke IC ua ke nrog cov khoom siv hluav taws xob tsim nyog rau lwm cov ICs ntawm tib hom, suav nrog kev hloov kho hluav taws xob tswj, ib qho on-chip digital moos oscillator, thiab lwm yam. Nkag mus rau qhov kev hloov mus xaiv qhov kev nyab xeeb channel A lossis kev nyab xeeb channel B ntawm qhov xav tau, thiab lub suab nrov sab hauv lub suab nrov programmable maub los amplifier txuas ntawm ob.
Lub programmable maub los nce tus nqi ntawm kev nyab xeeb channel A yog 128 lossis 64, thiab qhov sib thooj tag nrho cov credit txwv qhov sib txawv ntawm cov teeb liab input cov ntaub ntawv teeb liab amplitude tus nqi yog feem.±20mv wb±40mv wb. Kev nyab xeeb channel B yog tus nqi ruaj khov ntawm 32, thiab qhov sib npaug ntawm qhov sib txawv ntawm qhov sib txawv ntawm cov khoom siv hluav taws xob ua haujlwm yog±80mv wb. Kev nyab xeeb channel B yog siv los txheeb xyuas qhov tsis tseem ceeb ntawm cov software system nrog rau cov roj teeb rov qab.
Qhov kev tsim qauv no ua rau cov khoom siv hluav taws xob tso tawm mus rau qhov chaw tawm tswv yim ntawm kev nyab xeeb channel A kom simulate cov teeb liab sib txawv analog, ntau lub taub hau hnyav 1.4, ib qho kev tsim nti thiab kev sib txuas lus sib txuas ib qho qauv tsim xaiv AT89C51 integrated ic, thiab kev sib txuas lus nrog. cov yuam sij ua haujlwm, kua siv lead ua kua zaub screen thiab lub khoos phis tawj hluav taws xob tau pom hauv 5. HX711 serial kev sib txuas lus kab ua rau ib leeg-chip tsim P1.0 thiab P1.1 chaw nres nkoj. Tom qab qhov kev daws teeb meem yog tsim los ntawm ib leeg-chip microcomputer, cov ntaub ntawv hnyav yog xa mus rau LCD npo.
Tsis tas li ntawd, ob peb zaug ntawm cov ntaub ntawv ntsuas raug raug xa mus rau lub khoos phis tawj hluav taws xob kom pom cov ntaub ntawv raws li kev sib txuas lus serial.
Author: Smartweigh-Multihead Weighter Manufacturers
Author: Smartweigh-Linear Weighter
Author: Smartweigh-Linear Weigher Packing Tshuab
Author: Smartweigh-Multihead Weighter Packing Tshuab
Author: Smartweigh-Tais Denester
Author: Smartweigh-Clamshell Packing Tshuab
Author: Smartweigh-Kev sib xyaw hnyav
Author: Smartweigh-Doypack Packing Tshuab
Author: Smartweigh-Premade Hnab Packing Tshuab
Author: Smartweigh-Rotary Packing Tshuab
Author: Smartweigh-Vertical Ntim Tshuab
Author: Smartweigh-VFFS Packing Tshuab
Copyright © Guangdong Smartweigh Ntim Machinery Co., Ltd. | All Rights Reserved
