Umbhali: Smartweigh–I-Multihead Weighter
I-Multihead weigher iyinzwa yeleveli yokudonsa, evame kakhulu ekulinganisweni okunembile kwefomethi yedatha kanye nesilinganiso esinembile esiguqukayo. 1. Incazelo ye-multihead weigher icabangela ukulimala kokusheshisa amandla adonsela phansi (g) kanye nokunyuka komhwamuko (f) kusetshenziswa ikheli elinemininingwane, futhi isekelwe ekuguquleni okukodwa kwezikalwa ngokunembile (isisindo) zibe kwesinye Isilinganiso esinembile (okukhiphayo). ) Inzwa yamandla yokulinganisa isisindo esinembile. 2. Izakhi eziyisisekelo ze-multihead weigher Polyurethane material I-Polyurethane elastomer (i-vibration isolator, ugongolo oluzwela kakhulu) iholela ekuguqukeni kokunwebeka ngaphansi kwesenzo samandla angaphandle, ukuze igeji yokulinganisa yokumelana (ukuguqulwa kwedivayisi ye-elekthronikhi) enamathiselwe ebusweni bayo ibuye iholele ekuguqukeni. , ukumelana Ngemva kokuba i-strain gauge ikhubazekile, inani layo lokumelana lizobangela ushintsho (ukunwetshwa noma ukuncipha), bese lolu shintsho lokumelana luzoguqulwa lube isignali yedatha yedivayisi ye-elekthronikhi ngokusebenzisa isifunda sokulinganisa esinembile, ngaleyo ndlela igcwalise ukuguqulwa amandla angaphandle abe isignali yedatha yedivaysi kagesi. yonke inqubo.
Kungabonakala ukuthi i-resistance gauge ye-resistance gauge, i-polyurethane material polyurethane elastomer kanye nesifunda sokutholwa yizingxenye ezimbalwa ezibalulekile ezingeke zashoda ohlotsheni lwe-multihead weigher yokwahlulela. Lezi zici ezintathu kuxoxwa kafushane ngezansi. 1. Igeji ye-resistance strain gauge iwucezu lwegeji ye-resistance gauge esabalalisa intambo yokushisisa impahla yezimboni odongeni noma impahla eyenziwe ngezinto eziphilayo.
Enye yemingcele yakhe ebalulekile eyisisekelo yinani lenkomba yokuqwashisa K. Lapho izinhlangothi zakhe ezimbili zingaphansi kwamandla ka-F, kungenzeka ukuthi ziguquguquke futhi zinwetshwe, okusho ukuthi kubangela ukuwohloka. Uma kucatshangwa ukuthi i-flexion yayo nesandiso, indawo yayo ye-cross-sectional iyancipha, okungukuthi, i-radius yayo ye-cross-sectional circle iyancipha.
I-resistivity elasticity coefficient (ushintsho oluhlobene lokumelana) lwegeji yobunzima bokumelana namandla okuqina (ushintsho olulinganiselwe lobude) lwentambo yokushisisa ahlobene kahle nezinga lokuhlala. Kumele kuqashelwe ukuthi ukucaciswa kwenani lenkomba yokuzwela inani K liyipharamitha elawulwa futhi inqunywe yizici zezinto ezingavuthiwe zokwenza ucingo lokushisa oluhlanganisiwe lwensimbi. Akuhlangene nokubukeka, ukucaciswa, imodeli kanye nokucaciswa kwegeji ye-resistance gauge. Inani ngokuvamile lingu-1.7—3.6 Maphakathi; okwesibili, inani lika-K liyinani elingenasici, okungukuthi, alinaso isici. Esisekelweni semishini, ΔL/L ibizwa ngokuthi ukwahlulela, okuchazwa ngokuthi ε, futhi isetshenziselwa ukukhombisa ukuthi ipulasitiki ngokuvamile ibonakala inkulu kakhulu, okuyinto engalungile kakhulu, futhi ingxenye eyisigidi yayo ivame ukusetshenziswa njengenkampani, echazwa ngokuthi με.
2. Izinto ze-polyurethane I-Polyurethane elastomer I-polyurethane impahla I-polyurethane elastomer iyingxenye enokubukeka okuhlukile. Inemisebenzi emibili. Ekuqaleni, inesibopho samandla angaphandle ahlushwa i-weigher ye-multihead, futhi amandla angaphandle abangela amandla okusabela ukuze kuqinisekiswe ukulingana okuhlobene; Igeji ye-resistance gauge inengqondo kakhulu ukwenza umsebenzi wansuku zonke wokuguqulwa kwesignali yedatha yedivayisi ye-elekthronikhi. 3. Isekhethi yokutholwa Umsebenzi wesekethe yokutholwa ukuguqula ukuguqulwa kokumelana kwegeji ye-resistance gauge ibe ukukhishwa kwe-voltage okujwayelekile okusebenzayo.
Ngoba ibhuloho le-Wheatstone linezinzuzo eziningi, njengokuthi lingacindezela umonakalo wokushintsha kwezinga lokushisa, lingacindezela umonakalo wamandla ohlangothini, futhi lingaxazulula ubunzima besinxephezelo se-multihead weigher kalula nangokushesha, ngakho ibhuloho le-Wheatstone selitholakele Isisindo se-multihead. Uhla olubanzi lwezinhlelo zokusebenza. Ngenxa yokuzwela okuphezulu komjikelezo weketango eligcwele ngokugcwele namanye amabhuloho engalo, imingcele eyisisekelo yengalo ngayinye iyafana, futhi izingozi ezihlukahlukene zingakwazi ukubhekana kalula. isifunda.
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