Author: Smartweigh-Multihead Weighter
Multihead weighter yog ib qho khoom siv uas hloov cov ntaub ntawv zoo rau hauv cov teeb liab hluav taws xob. Nws yog ib hom kev quab yuam-sensitive sensor. Kev siv ntau lub taub hau hnyav yog ntau heev, tshwj xeeb tshaj yog nyob rau hauv cov khoom hnyav, uas yog lub plawv ntawm cov khoom siv hnyav. Nyob rau theem no, muaj ntau hom multihead weighers nyob rau hauv kev ua lag luam, xws li resistor strain type, optical hom, roj siab hom, capacitive sensor, thiab magnetic force type. Txhua hom muaj nws tus yam ntxwv thiab kev siv. Muaj ob hom multihead weighter: plaub-xaim system thiab rau-xaim system. Tam sim no, plaub-xaim system feem ntau siv rau hauv kev ua lag luam.
Plaub-xaim system: EXC +, EXC-: Fais fab ntsaws, uas muab DC tswj fais fab mov rau lub inductor. Cangzheng multihead hnyav EXC + yog xim liab, EXC- yog grey-dub. SIG +, SIG-: Cov kab hluav taws xob, uas yog, cov kab hluav taws xob tso tawm los ntawm lub sensor, feem ntau tso tawm mV cov ntaub ntawv teeb liab, uas nyob ntawm tus qauv ua haujlwm voltage thiab rhiab heev ntawm lub sensor.
Cangzheng multihead hnyavSIG + yog emerald ntsuab, SIG- yog mis nyuj dawb. Rau txoj kab hluav taws xob: Ntxiv rau plaub lub xov hlau saum toj no, muaj ob lub xov hlau ntau dua li plaub-xaim: SEN +, SEN-: cov lus tawm tswv yim, uas yog, lub sensor yuav tawm tswv yim txog cov nqi ua haujlwm tshwj xeeb uas tau txais rau ntau lub taub hau hnyav. meter. Tsis tas li ntawd, plaub-xaim thiab rau-xaim sensors yog shielded cables: SHIELD Qhov txawv ntawm ob: plaub-xaim multihead weighter yog siv nyob rau hauv qhov chaw uas multihead weighter thiab multihead weighter nyob ze rau ib leeg, thiab kev khiav hauj lwm voltage poob ntawm txoj kev qhia me me heev; lub rau-xaim system yog siv nyob rau hauv qhov chaw uas qhov ntev-nyob deb ntsuas yog ua, thiab nws anti-interference muaj zog.
Feem ntau, lub multihead weighter yog tsim rau plaub-xaim thiab rau-xaim sensors. Txawm li cas los xij, thaum xaim plaub-xaim sensor, siv cov kab hluav taws xob txuas EXC + thiab SEN +, thiab EXC- thiab SEN- mus rau qhov kawg ntawm lub ntsuas qhov hnyav. Cov ntaub ntawv teeb liab tawm ntawm multihead weighter yog millivolt cov ntaub ntawv teeb liab. Cov ntaub ntawv teeb liab no kuj tsis muaj zog. Tag nrho cov zis ntawm lub multihead weigher = ua hauj lwm tus qauv voltage * rhiab heev. Feem ntau, nws yuav tsum tau sib phim nrog lub ntse transmitter (amplifier) los yog cov cuab yeej siv digital. Thaum ua haujlwm, txoj kev xaim ntawm lub sensor yog cim rau ntawm lub ntse transmitter thiab lub ntsuas vaj huam sib luag.
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