Umbhali: Smartweigh–Multihead Weighter
Umgaqo-siseko osisiseko kunye nobuchule bokusetyenziswa kwe-multihead weigher I-multihead weigher ye-tension kunye ne-sensor yoxinzelelo, esetyenziswa ngokuqhelekileyo kumlinganiselo ochanekileyo wedatha ye-static kunye nomlinganiselo ochanekileyo oguqukayo. 1. Inkcazo ye-multihead weigher iqwalasela ngokupheleleyo i-acceleration ye-gravitational (g) yedilesi yesicelo kunye ne-buoyancy (f) yamanzi egesi, ngokokuguqulwa kwesinye semilinganiselo ngokuchanekileyo (umgangatho) kwelinye elilinganiswe ngokuchanekileyo (isiphumo) . ) ukulinganisa ngokuchanekileyo umgangatho wenzwa yamandla. 2. Ingqikelelo esisiseko ye-multihead weigher I-Polyurethane elastomer (i-vibration isolator, i-beam ebuthathaka) ibangela ukuguqulwa kwe-elastic phantsi kwamandla angaphandle, ukwenzela ukuba i-resistance gauge ye-resistance gauge (icandelo lokuguqulwa) ifakwe kumphezulu wayo ibangela ukuba i-deformation, kunye ne-resistance gauge gauge deforms. ukuba, ixabiso layo ukumelana iya kutshintsha (ukwandisa okanye ukunciphisa), kwaye ke resistor iya kuguqulwa ibe ngumqondiso elektroniki ngokusebenzisa umlinganiselo ochanekileyo wesekethe yonikezelo lwamandla, kwaye ke yonke inkqubo yokuguqula amandla angaphandle ibe ngumqondiso wombane. igqityiwe.
Akunzima ukubona ukuba iigeji zokuxhathisa, i-polyurethane elastomers kunye neesekethe zamandla ovavanyo zizinto ezininzi eziphambili ezingenakho ukuswela kwi-resistor strain force multihead weigher. La manqanaba mathathu achazwe ngokufutshane apha ngezantsi. 1. I-Resistance strain gauge I-resistance gauge ye-resistance gauge sisiqwenga sombane wokufudumeza isixhobo somatshini esisasazwa phezu kwe-substrate eyenziwe ngezinto eziphilayo, oko kukuthi, i-restance gauge yokumelana.
Enye yeeparameters zakhe eziphambili yi-dexterity index K. Xa amacala akhe amabini ephantsi kwamandla ka-F, anokwelula, ngamanye amagama abangela ukuguqulwa. Ukucinga ukuba yoluliwe, indawo yayo ye-cross-sectional iba yincinci, oko kukuthi, i-semicircle ye-circular semicircle iyancipha.
Ubudlelwane phakathi kwe-coefficient elastic elastic ye-resistance gauge ye-resistance gauge (utshintsho oluhambelanayo lwe-resistor) kunye nokwandiswa kocingo lokufudumeza (utshintsho oluhambelana nobude kunye nolufutshane) lulingana. Kufuneka kucaciswe ukuba ubungakanani besalathiso sobuntununtunu K ixabiso yiparameter enqunywe yimpawu zezinto eziluhlaza zokwenza ucingo lokufudumeza isinyithi. Ayinanto yakwenza nenkangeleko kunye nobukhulu be-resistance gauge ye-resistance gauge. Ixabiso le-K lezinto eziluhlaza ezahlukeneyo lihlala likwi-1.7—3.6 Phakathi; Ixabiso elilandelayo lika-K liyi-dimensionless quantity, oko kukuthi, ayinamlinganiselo. Kubuchwephesha bobunjineli, i-ΔL/L ibizwa ngokuba yi-strain force, echazwe njenge-ε, kwaye isoloko isetyenziselwa ukubonisa ukuba i-ductility inkulu kakhulu, engafanelekanga kakhulu. Ihlala isetyenziswa njengesigidi esinye seshishini, ichazwa njenge με.
2. I-polyurethane elastomer I-polyurethane elastomer yinxalenye enembonakalo ekhethekileyo. Inemisebenzi emibini. Okokuqala, ithwala amandla angaphandle e-multihead weigher, ebangela ukuba i-recoil force ifikelele kwi-balance balance; I-gauge ye-resistance gauge eqhotyoshelwe kule ndawo ilungele umsebenzi wemihla ngemihla wokuguqula amandla oxinzelelo kunye nomqondiso we-elektroniki. 3. Ukuhlolwa kwesiphaluka sonikezelo lwamandla Umsebenzi wokuhlolwa kwesiphaluka sombane kukuguqula i-resistor ye-resistance gauge ye-resistance gauge kwi-voltage yokusebenza.
Ngenxa yokuba ibhulorho ye-Wheatstone ineenzuzo ezininzi, ezinjengokukwazi ukucinezela umonakalo wokutshintsha kobushushu, ukucinezela impembelelo yamandla ecala, kunye nokukwazi ukujongana nengxaki yembuyekezo ye-multihead weigher, ibhulorho ye-Wheatstone isetyenziswe ngokubanzi isilinganisi seentloko ezininzi. sebenzisa. Ukusukela ukuba isekethe yebhulorho yengalo efana nokuqokelela okupheleleyo kunye nokukhulula ikhonkco inovakalelo oluphezulu, iiparamitha eziphambili zengalo nganye ziyafana, kwaye iingozi zeempembelelo ezahlukeneyo zilula kakhulu ukukhawulelana, ngoko ke isilinganisi se-multihead samkela ukuqokelela okupheleleyo. kunye nokukhulula ikhonkco kunye nezinye iisekethe zebhulorho yengalo.
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