Ukukhethwa kwamazinga okunemba kwesikali samakhanda amaningi

Umbhali: Smartweigh– Isisindo Sezinhloko Eziningi

Ukusebenzisa isikali samakhanda amaningi kukhetha nezinga lokunemba kwesikali samakhanda amaningi. Izinga lokunemba lesikali samakhanda amaningi lifaka phakathi izilinganiso zokusebenza kwesikali samakhanda amaningi njengokungalingani, ukuphumula kokucindezeleka, ukulungiswa kokuphumula kokucindezeleka, ukubambezeleka, ukuphindeka, kanye nokuzwela. Endabeni yokusebenzisa isikali samakhanda amaningi, akudingekile ukumane ulandele isikali samakhanda amaningi esiphelele nesithuthukisiwe, kodwa hhayi nje ukucabangela izidingo zokunemba zesikali se-elekthronikhi, kodwa futhi nokucabangela izindleko zaso.

Ukukhethwa kwezinga lesikali samakhanda amaningi kumele kucatshangelwe lezi zindlela ezimbili ezilandelayo: 1. Cabanga ngemibandela yokuthayipha kwephaneli yezinsimbi. Ithuluzi lokubonisa isisindo lingabonisa umphumela wokulinganisa ulwazi ngemuva kokuba isignali yedatha yokukhipha yesisindo samakhanda amaningi ikhulisiwe, ukuguqulwa kwe-A/D, njll. kuxazululiwe. Ngakho-ke, isignali yedatha yokukhipha yesisindo samakhanda amaningi kumele ibe nkulu noma ilingane nosayizi wesignali yokufaka echazwe yiphaneli yezinsimbi, futhi ukuzwela kokukhipha kwesisindo samakhanda amaningi kumele kuthathelwe indawo ifomula efanayo phakathi kwesikali samakhanda amaningi nephaneli yezinsimbi, futhi umphumela wokubala kumele ube mkhulu noma ulingane nenombolo yokufaka echazwe yiphaneli yezinsimbi.

Ifomula yokufanisa yesisindo samakhanda amaningi kanye nephaneli yezinsimbi: ukuzwela kokukhipha kwesisindo samakhanda amaningi * i-voltage yokunikezwa kwamandla ekhuthaziwe * i-sub-degree ye-myopia yesikali esikhulu sesisindo sesikali * inani lezisikali zamakhanda amaningi * ububanzi bokulinganisa isisindo samakhanda amaningi Isibonelo: iphakheji yokulinganisa enesisindo esingu-25kg yomshini, izinga eliphezulu le-myopia liyibanga lokulinganisa elingu-1000; umzimba wesikali ukhetha i-3 L—BE—Type 25 multihead weiger enobubanzi bokulinganisa obungu-25kg kanye nokuzwela okungu-2.0±0.008mV/V, ingcindezi yokusebenza yebhuloho le-arch lamatshe ingu-12V; isikali sisebenzisa iphaneli yezinsimbi ye-AD4325. Buza ukuthi isisindo samakhanda amaningi esikhethiwe singalinganiswa nedeshibhodi. Isixazululo: Ngemva kokuhlola, ukuzwela kokufaka kwephaneli yezinsimbi ye-AD4325 kungu-0.6μV/d, ngakho-ke ngokwefomula efanayo yesisindo samakhanda amaningi kanye nephaneli yezinsimbi, isignali yedatha yokufaka ethile yephaneli yezinsimbi kumele ibe: 2×12×25/1000×3×25=8μV/d>0.6μv/d Ngakho-ke, isisindo samakhanda amaningi esikhethiwe sibheka ukulawulwa kokuzwela kokufaka kwephaneli yezinsimbi futhi singalinganiswa nephaneli yezinsimbi ekhethiwe.

2. Cabanga ngezidingo zokunemba kwesikali se-elekthronikhi. Isikali se-elekthronikhi sakhiwe kakhulu izingxenye ezintathu: umzimba wesikali, isikali samakhanda amaningi kanye nephaneli yezinsimbi. Uma kukhethwa ukunemba kwesikali samakhanda amaningi, ukunemba kwesikali samakhanda amaningi kufanele kube phezulu kancane kunenani elibalwe lenkolelo-mbono eyisisekelo, ngoba inkolelo-mbono eyisisekelo ivame ukuba nezinkinga. Ukulinganiselwa kwezizathu eziqondile, njengamandla okucindezela omzimba wesikali kubi kancane, izici zephaneli yezinsimbi azilungile kakhulu, indawo yehhovisi yesikali iphakeme kakhulu futhi ezinye izici zibeka engcupheni ngokushesha izidingo zokunemba zesikali, ngakho-ke kuyadingeka ukuthuthukisa imithethonqubo evela kuzo zonke izigaba. Kubalulekile futhi ukubheka izinzuzo zomnotho nokuqinisekisa ukuthi umgomo uyafezwa.

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