Ngoku kuxhaphake kakhulu ukusebenzisa i-elektronikiizikali zeloriNgokuphathelele ukulungiswa kunye nokugcinwa ngokubanzi kwezikali zelori/ibhulorho yokulinganisa iimoto, masithethe ngolwazi olulandelayo njengomthengisi webhulorho yokulinganisa iimoto:
Isikali selori ye-elektroniki sakhiwe ikakhulu ngamacandelo amathathu: i-loadcell, isakhiwo kunye nesekethe. Ukuchaneka kususela kwi-1/1500 ukuya kwi-1/10000 okanye ngaphantsi. Ukusetyenziswa kwesekethe yokuguqula i-A/D edibeneyo kabini kunokuhlangabezana neemfuno zokuchaneka kwaye kuneenzuzo zokuba namandla okulwa nokuphazamiseka kunye neendleko eziphantsi. Ekuphunyezweni kwemigaqo yesizwe ye-metrology, iimpazamo zesikali selori ye-elektroniki ngokwaso kunye neempazamo ezongezelelweyo ezisetyenziswayo yimiba ekufuneka abavelisi kunye nabasebenzisi bayiqwalasele.
Okokuqala, indlela yokunciphisa iimpazamo kuyilo nakwimveliso ye-electronic weighbridge:
1. Isiqinisekiso sezalathisi zobugcisa ze-loadcell
Yinto ephambili ukuqinisekisa umgangatho wesikali selori ye-elektroniki ukukhetha ii-loadcells ezineempawu ezahlukeneyo zobugcisa ezihlangabezana neemfuno zokuchaneka. Umgca, ukuqhekeka, i-no-load temperature coefficient kunye ne-sensitivity temperature coefficient zizibonakaliso ezibalulekileyo zee-loadcells. Kwibhetshi nganye yee-loadcells, ukuhlolwa kweesampulu kunye novavanyo lobushushu obuphezulu nobuphantsi kufuneka kwenziwe ngokuhambelana nesantya sesampulu esifunekayo kwimigangatho yesizwe efanelekileyo.
2. I-coefficient yobushushu yesekethe yesikali selori ye-elektroniki
Uhlalutyo lwethiyori kunye novavanyo lungqina ukuba i-coefficient yobushushu yokuxhathisa kokufakwa kwe-amplifier yokungenisa kunye nokuxhathisa impendulo zizinto ezibalulekileyo ezichaphazela i-coefficient yobushushu yokuvalelwa kwe-electronic truck scale, kwaye kufuneka kukhethwe i-metal film resistor ene-coefficient yobushushu ye-5 × 10-6. Uvavanyo lobushushu obuphezulu kufuneka lwenziwe kwi-electronic truck scale nganye eveliswayo. Kwezinye iimveliso ezine-coefficient yobushushu obunganyamezelekiyo, ii-metal film resistor ezine-coefficient yobushushu obungaphantsi kwe-25 × 10-6 zinokusetyenziswa ukuhlawula. Kwangaxeshanye novavanyo lobushushu obuphezulu, imveliso yafakwa kwi-expand yokuguga kobushushu ukuphucula uzinzo lwemveliso.
3. Imbuyekezo engangqalanga yesikali selori ye-elektroniki
Phantsi kweemeko ezifanelekileyo, ubungakanani bedijithali besikali selori ye-elektroniki emva kokuguqulwa kwe-analog ukuya kwidijithali kunye nobunzima obubekwe kwisikali selori ye-elektroniki kufuneka bube bumgca othe tye. Xa usenza ukulinganiswa kokuchaneka ngexesha lenkqubo yemveliso, sebenzisa inkqubo yangaphakathi yekhompyutha yokulinganisa inqaku elinye. Bala umda phakathi kwenani kunye nobunzima ngokwemigca ethe tye efanelekileyo kwaye uyigcine kwimemori. Oku akunakuyoyisa impazamo engeyomgca eveliswa yi-sensor kunye ne-integrator. Ukusebenzisa ukulungiswa kwamanqaku amaninzi, ukusebenzisa imigca ethe tye emininzi ukuqikelela ijika kunciphisa ngempumelelo impazamo engeyomgca ngaphandle kokunyusa iindleko zehardware. Umzekelo, isikali selori ye-elektroniki esinobuchaneko be-1/3000 sisebenzisa ukulinganiswa kwamanqaku ama-3, kwaye isikali selori ye-elektroniki esinobuchaneko be-1/5000 sisebenzisa ukulinganiswa kwamanqaku ama-5.
Ixesha lokuthumela: Okthobha-28-2021