Muab cov kab tshuab ntim khoom hnyav tsis siv neeg txij li xyoo 2012
Tus Sau: Smartweigh– Multihead Weighter
Lub tshuab ntsuas qhov hnyav ntau lub taub hau yog ib lub cuab yeej uas hloov cov teeb liab zoo mus rau hauv cov teeb liab hluav taws xob. Nws yog ib hom sensor uas rhiab rau lub zog. Kev siv lub tshuab ntsuas qhov hnyav ntau lub taub hau yog qhov tshwm sim ntau heev, tshwj xeeb tshaj yog hauv cov khoom siv ntsuas qhov hnyav, uas yog lub plawv ntawm cov khoom siv ntsuas qhov hnyav. Nyob rau theem no, muaj ntau hom tshuab ntsuas qhov hnyav ntau lub taub hau hauv khw, xws li hom resistor strain, hom optical, hom roj siab, hom capacitive sensor, thiab hom magnetic force. Txhua hom muaj nws tus kheej cov yam ntxwv thiab kev siv. Muaj ob hom tshuab ntsuas qhov hnyav ntau lub taub hau: plaub-xaim system thiab rau-xaim system. Tam sim no, plaub-xaim system feem ntau siv hauv khw.
Plaub-xov hlau system: EXC+, EXC-: Lub qhov fais fab, uas muab lub zog DC tswj rau lub inductor. Cangzheng multihead weigher EXC+ yog xim liab ci, EXC- yog xim grey-dub. SIG+, SIG-: Kab fais fab, uas yog, cov kab fais fab tso tawm los ntawm lub sensor, feem ntau tso tawm cov ntaub ntawv mV, uas nyob ntawm qhov ua haujlwm voltage thiab qhov rhiab heev ntawm lub sensor.
Cangzheng multihead weigherSIG + yog emerald ntsuab, SIG- yog milky dawb. Rau-xaim system: Ntxiv rau plaub lub xov hlau saum toj no, muaj ob lub xov hlau ntau dua li plaub-xaim system: SEN +, SEN-: cov kab tawm tswv yim, uas yog, lub sensor yuav tawm tswv yim rau qhov ua haujlwm voltage tshwj xeeb tau txais rau lub multihead weigher meter. Tsis tas li ntawd, plaub-xaim thiab rau-xaim sensors yog shielded cables: SHIELD Qhov sib txawv ntawm ob: plaub-xaim multihead weigher yog siv rau hauv qhov chaw uas multihead weigher thiab multihead weigher nyob ze rau ib leeg, thiab qhov ua haujlwm voltage poob ntawm txoj kev teev tseg Me me heev; rau-xaim system yog siv rau hauv qhov chaw uas ntsuas qhov ntev ntev, thiab nws txoj kev tiv thaiv kev cuam tshuam muaj zog.
Feem ntau, lub tshuab ntsuas qhov hnyav ntau lub taub hau yog qhov tsim nyog rau plaub-xaim thiab rau-xaim sensors. Txawm li cas los xij, thaum txuas plaub-xaim sensor, siv txoj hlua fais fab los txuas EXC + thiab SEN +, thiab EXC- thiab SEN- rau qhov kawg ntawm lub tshuab ntsuas qhov hnyav ntau lub taub hau. Cov ntaub ntawv teeb liab tso tawm ntawm lub tshuab ntsuas qhov hnyav ntau lub taub hau yog lub teeb liab cov ntaub ntawv millivolt. Cov ntaub ntawv teeb liab no tsis muaj zog heev. Cov zis tag nrho ntawm lub tshuab ntsuas qhov hnyav ntau lub taub hau = ua haujlwm tus qauv voltage * rhiab heev. Feem ntau, nws yuav tsum tau phim nrog lub tshuab xa xov ntse (amplifier) lossis lub cuab yeej tso saib digital. Thaum ua haujlwm, txoj kev txuas ntawm lub sensor tau cim rau ntawm lub tshuab xa xov ntse thiab lub vaj huam sib luag ntsuas.
Tus Sau: Smartweigh– Cov Chaw Tsim Khoom Siv Multihead Weighter
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