Uhlalutyo lomgaqo-siseko osisiseko, ubume kunye nokugcinwa kwesekethe ye-electronic multihead weigher

Umbhali: Smartweigh- Multihead Weigher

I-1 Umgaqo osisiseko kunye nesakhiwo se-multihead weigher Umgaqo osisiseko we-multihead weigher kukuba emva kokuba into ilayishwe kwisikali, inzwa yokulinganisa iguqulela umqondiso wesisindo somnatha kwimveliso ye-electronic ye-proportional, kwaye emva koko i-multihead weigher ikhulisa, izihlungi, i-A / D iguqula, kwaye iqhubekisela phambili imveliso yesignali yedijithali kwi-sensor kunye nokubonisa. I-multihead weigher inokwahlulwa ibe ngamacandelo amane, njengoko kuboniswe kuMzobo 1. Umgaqo-siseko, isakhiwo kunye nohlalutyo lokugcinwa kwesekethe yetafile yokulinganisa: Okokuqala, inxalenye yenzwa yokulinganisa, umsebenzi wayo oyintloko ukuguqula umqondiso wesisindo somnatha ofakwe kwiqonga lokulinganisa kwi-electronic signal output yepesenti; okwesibini, inxalenye yokubonisa idijithali, umsebenzi wayo oyintloko kukubonisa imveliso yesignali yedijithali yinzwa kwisiboniso emva kokukhulisa, ukuhluza, ukuguqulwa kwe-A / D kunye nokusebenza kwedijithali; okwesithathu, inxalenye yomzimba wesikali, umsebenzi wayo ophambili kukulayisha, kunye nenkqubo yoomatshini nayo inokwahlulwa ibe yiplatifti yesikali, i-offset limit switch, kunye ne-gong bolt; izixhobo zombane zixhotyiswe ngeetheminali, iintambo zonxibelelwano, njl.; okwesine, inxalenye ye-peripheral, ebhekisela kwisixhobo esiqhagamshelwe kwi-port ye-signal output yesixhobo sokubonisa idijithali kunye nokufumana umqondiso wokuphuma kwepaneli yesixhobo; iiperipherals eziqhelekileyo ziquka abashicileli, iziboniso zesikrini esikhulu, kunye neenkqubo zolawulo olukrelekrele lwekhompyutha; ukongeza, kukho igalelo le-analog kunye nemveliso, i-fiber optical output, i-intermediate relay output, njl njl. Itafile ye-electronic multihead weigher table inokwahlulwa ibe ngamacandelo amabini ngokohlobo lwesignali, oko kukuthi, i-analog multihead weigher table kunye ne-digital multihead weigher table. Itheyibhile ye-analog ye-multihead weigher Umlinganiselo wokulinganisa ufumana iimpawu zedijithali, kunye nomzimba wesikali usebenzisa i-analog sensors, eziguqula ubunzima obufakwe kwisikali kwi-proportional electronic signal output ngokusebenzisa ukuguqulwa komzimba we-elastic kubangela ukuxhathisa kwe-resistor strain gauge; isikali sokulinganisa iintloko ezininzi zedijithali sisixhobo esidibanisa iteknoloji yolwazi lwale mihla, iteknoloji yokulungisa izinto ezincinci, ubuchwephesha bembuyekezo yedijithali kunye nezivamvo zovavanyo lwesiqhelo. Ingakwazi ukubala ubunzima ngekhompyutheni kwaye ibonise, igcine, ikopishe kwaye idlulisele ngokubonelela nge-interface yonxibelelwano kunye neprotocol ehambelana ne-digital sensor. 2 Iindlela zogcino lwe-electronic multihead weighing scales kunye ne-sensor circuits I-electronic multihead weighing scales Kukho iimeko ezahlukeneyo zeempazamo zeetafile zokulinganisa, kwaye zininzi izinto ezibangela iimpazamo. Kwaye imeko efanayo yempazamo ihlala inezizathu ezahlukeneyo. Ngenxa yemfuneko yokukhangela iimpazamo, kufuneka siqale sizame ukukhangela size siqonde indawo yesiphoso. Uphendlo lwempazamo lusekwe ikakhulu kwimeko yempazamo eshwankathelweyo ngexesha lempazamo kunye nemisebenzi yamacandelo enkqubo, izixhobo zombane, izihlanganisi, kunye namalungu. Idityaniswe neentlobo zempazamo ezishwankathelweyo ngexesha lokucombulula ingxaki eqhelekileyo, zonke izinto ezibangela isiphene zijongiwe kwaye zihlalutywe. Emva koko, ukuxhomekeka kwi-multimeter, ipaneli yesixhobo somqondiso wevidiyo, ngeendlela ezahlukeneyo, jonga indawo engaqhelekanga nganye nganye, kwaye ekugqibeleni ufumanise indawo yempazamo. 2.1 Iintsilelo ezibangelwa yimiba yokusingqongileyo Utshintsho kwimiba yokusingqongileyo lunokubangela ukuweyishwa kwezikali zombane. Izinto eziphambili ziquka utshintsho kunikezelo lwamandla. Ukungcangcazela, isantya somoya, ukubetha kombane, njalo njalo, okubangela ukuba isikali sombane sisebenze ngokungazinzanga. Ke ngoko, isikali se-elektroniki kufuneka siqalwe kancinci kangangoko kwimozulu enomoya kunye nesiphango. Ngexesha elifanayo, amanyathelo okukhusela umbane kunye nokukhusela umhlaba okhuselayo wesikali sombane kufuneka senziwe kakuhle. Ukungcangcazela, amanyathelo okothusayo afana nezixhobo ze-buffer kunye nemisele yokukhusela ingasetyenziselwa ukunciphisa impembelelo yayo. Ukunikezelwa kwamandla kwenkqubo yombane ayinakusetyenziselwa ukuzimela ngokuzimela isikali sombane okanye ukuguqula iparameter elawulwayo ukunikezelwa kwamandla. 2.2 Ukungaphumeleli kwezixhobo kumgangatho womzimba wesikali Ukungaphumeleli kwezixhobo kwinqanaba lomzimba wesikali kubandakanya ukuguqulwa kwenkxaso yesikali, umzimba wesikali ucinezelwe bubumdaka, ukungaphumeleli kwesixhobo sokutshintsha umda, kunye nokungaphumeleli kwenkxaso ye-sensor ye-nodding. Izikali ze-elektroniki zihlala zihambisa izinto ekusetyenzisweni kwexesha elide, kwaye izixhobo zihlala zisasazeka. Amalungu omatshini axhaswa ixesha elide. Umonakalo unokubangela lula umonakalo kwiindawo zoomatshini. Ukungaphumeleli kwamalungu omatshini wezikali ze-elektroniki ngokuqhelekileyo kunokujongwa ngokuthe ngqo ngamehlo, okanye kunokuchongwa ngokulula ukuba umzimba wesikali uyashukuma ngokuguquguqukayo ukuphelisa iimpazamo. 2.3 Ukungaphumeleli kwenzwa Inzwa yokulinganisa yinxalenye engundoqo yesikali sombane. Inomsebenzi wokuguqula amandla kwimiqondiso yombane. Ukungaphumeleli kwinzwa yokulinganisa kunokukhokelela ngokulula ekuphambukeni okukhulu kumlinganiselo wesikali sombane. Isikali asinakubuyela ku-zero. Ukutenxa kobunzima bevili kukhulu. Ukuphinda-phinda kubi, njl. 1) Ukuba kukho ukutenxa okukhulu ekulinganiseni isikali sombane, jonga kuqala ukuba ixabiso lekhowudi lizinzile, nokuba kukho ukukhuhlana kwindawo nganye yoluvo, nokuba umbane olawulwayo olungelelanisiweyo uzinzile, nokuba i-op amp circuit iyinto eqhelekileyo. , sebenzisa iintsimbi eziqhelekileyo ukujonga ukuba imilenze emine yesikali inobunzima ngokulinganayo. Ngokwemiyalelo, uhlalutye ngakumbi ipaneli yesixhobo okanye ulinganise ubunzima bomnatha. I-2) Ukuba isikali sombane asikwazi ukubuyela kwi-zero, jonga kuqala ukuba ixabiso lesignali ye-sensor lingaphakathi komgangatho (i-A / D iyonke ikhowudi eguquguqukayo / uluhlu lwekhowudi yesicelo / uluhlu lwekhowudi esezantsi). Ukuba ixabiso lesignali alikho ngaphakathi komgangatho, lungisa ukuchasana kwenzwa ukulungelelanisa ukulungelelanisa ixabiso lesignali kumgangatho. Ukuba ayinakuhlawulwa, nceda ujonge ukuba ngaba umenzi woluvo uneziphene. Emva kokuqinisekisa ukuba isiphumo senzwa siqhelekile (umzimba wesikali uzinzile), tshixa iphaneli yesixhobo rhoqo. Ukuba kukho impazamo, ngokuqhelekileyo kubangelwa isiphaluka se-amplifier kunye ne-A / D yokuguqula isiphaluka. Emva koko, ngokomgaqo wesekethe, kufuneka siqale sijonge ukuba umbane uyinto eqhelekileyo, emva koko udibanise igalelo lesignali kwisignali yevidiyo, ulungelelanise ubungakanani begalelo lomqondiso wevidiyo, kwaye ubone ukuba i-voltage emva kokunyuka iyinto eqhelekileyo. Emva koko sebenzisa i-oscillator yedijithali ukujonga ukuba i-crystal oscillator esebenzayo i-oscillating, khangela ukuba imveliso yenqaku ngalinye iyinto eqhelekileyo, kwaye ekugqibeleni ukhangele isiphaluka se-optocoupler kunye nezinye iisekethe eziphumayo ukuze ufumane impazamo. 3) Isikali se-elektroniki sinokutenxa ubunzima bevili elikhulu okanye ukuphindaphindeka okubi. Le meko iyafana nemeko yokungakwazi ukubuyela ku-zero. Amaxesha amaninzi, isenokuba ngenxa yokutshintsha koluhlu lwegalelo lomqondiso omncinci. Ngokwendlela yokungakwazi ukubuyela kwi-zero, ukuba akukho ngxaki ifunyenwe, jonga kuqala unikezelo lwamandla. Nokuba isekethe ye-A/D iqhelekile, kwaye emva koko ujonge isiphumo soluvo. Ukongeza, indlela yokulinganisa eguquguqukayo ingasetyenziselwa ukujonga impazamo eqhelekileyo yenzwa. Isisombululo kukudibanisa ngokufanelekileyo i-wiring ye-sensor kwi-motherboard, sebenzisa i-DCV gear ye-digital meter (amadijithi amane anesiqingatha okanye ngaphezulu iyona nto ingcono), kwaye ulinganise i-S + ukuya Ngaba i-voltages esebenzayo yomhlaba kunye ne-S-ukuya kumhlaba ofanayo (ngokukhethekileyo 0 ukutenxa)? Ukuba akunjalo, inzwa kufuneka ibuyekezwe. Indlela yokuba ukuba i-sensor output signal iphezulu kakhulu, nceda ungeze i-resistor eguquguqukayo phakathi kwe-"E + S-" ye-sensor ukwenza ixabiso lesignali ngaphakathi koluhlu oluqhelekileyo (esezantsi ukuchasana, ukuthoba isignali yokuphuma kwenzwa). Ukuba i-sensor output signal iphantsi kakhulu okanye i-ERR, nceda ungeze i-resistor eguquguqukayo phakathi kwe "E + ~ S +" ye-sensor ukwenza ixabiso lesignali ngaphakathi koluhlu oluqhelekileyo (ukunciphisa ukuchasana, ukuphakama kwesignali yokuphuma kwenzwa). 2.4 Isikali sombane we-multihead Ezinye iimpazamo eziqhelekileyo kunye nokulungiswa kwemitha yokulinganisa 1) Xa isikali sombane singenako ukuvulwa, jonga kuqala iswitsha yamandla yesikali se-elektroniki, iplagi yombane, iswitshi yokuguqula umbane kunye nolunye unikezelo kunye nemfuno elinganayo yonikezelo lwamandla ombane. Ukuba akukho ngxaki, khangela ukuba i-transformer inegalelo le-AC kunye nemveliso ye-AC. Ukuba indawo yolawulo yesixhobo inebhetri, khupha ibhetri uze uyiqalise ngamandla e-AC ukunqanda iziphene ezibangelwa kumbane webhetri ongonelanga. Okokugqibela, khangela ukuba i-inverter circuit, i-voltage regulator circuit kunye nomboniso we-optocoupler circuit ayiqhelekanga. Ukuba ezi ziqhelekileyo, khangela ukuba i-CPU kunye neesekethe ezincedisayo zitshisiwe. 2) Isikrini sesikali sombane sibonisa ikhowudi yephutha. Susa isiphaluka sokuqala sokubonisa kwaye ubeke endaweni yesiphaluka esiqhelekileyo ukuze ubone ukuba iyinto eqhelekileyo. Ukuba idispleyi Ukuba ulwazi luboniswa ngokwesiqhelo, oko kuthetha ukuba kukho ingxaki kwisekethe yokubonisa. Ukuba ayiqhelekanga, jonga ukuba isekethe ye-optocoupler inempazamo, kwaye ekugqibeleni ujonge ukuba i-CPU yokubonisa iphini yokuphuma ikuluhlu olusebenzayo lwemveliso. 3) Isitshixo somsebenzi awusebenzi kakuhle okanye awusebenzi. Okokuqala, khangela ukuba kukho ukuvuza kwindawo engundoqo yomsebenzi, okubangelwa isiphaluka esifutshane okanye isiphaluka esifutshane; okwesibini, khangela ukuba iplagi yesitshixo somsebenzi kunye nesokethi yamandla inxibelelana kakuhle nokuba kukho ukukhululeka; okwesithathu, khangela ukuba isitshixo sesitshixo sidityaniswe kakuhle; Okwesine, khangela ukuba i-socket yamandla e-electronic scale kunye nomgca wokudibanisa i-electrode ye-CPU inomjikelezo omfutshane okanye isiphaluka esifutshane. Ukuba iphoso ayikafumaneki, eyesihlanu kukulinganisa ngokuchanekileyo ukuba i-diode kunye ne-resistors kwizitshixo zokusebenza kunye neesekethe ze-CPU zinezijikelezo ezimfutshane okanye ezimfutshane. Ngamafutshane, imbangela ye-multihead ye-elektroniki Kukho iimpazamo ezininzi eziqhelekileyo kwizikali zokulinganisa, kwaye iimeko eziphosakeleyo nazo zinzima kakhulu. Ngamanye amaxesha iimpazamo ezininzi zenzeka ngexesha elinye. Izikali ze-electronic multihead weigher ziyafana nezinye iimveliso zombane. Ngethuba nje uqonda imigaqo yayo yesakhiwo kunye neesekethe, unokwenza ukugcinwa. Xa uxazulula iimpazamo eziqhelekileyo ze-electronic multihead weigher scales, kufuneka uqhube uhlalutyo olunzulu olusekelwe kwiimeko ezichanekileyo eziqhelekileyo, khangela ngokucophelela inqanaba elinokuthi libangele iphutha eliqhelekileyo, ngokukhawuleza nangokuchanekileyo ukuchonga indawo yephutha eliqhelekileyo, kwaye uqinisekise ukuba i-electronic multihead weigher scale ilinganisa ngokuchanekileyo. Intshayelelo: Xa kuthelekiswa nezikali zoomatshini, izikali ze-electronic multihead weigher zineengenelo ezininzi ezinjengokulinganisa ngokukhawuleza, ukubonakalisa intuitive, kwaye akukho lula ukonakalisa. Ukusetyenziswa kwabo kuya kusiba banzi, kwaye ngokuthe ngcembe baye batshintsha izikali ezisetyenziswayo. Kweli phepha, ubume kunye nomgaqo wokulinganisa we-electronic multihead weigher scales zixoxwa kuqala ngokumalunga nenyani, kwaye ke iindlela zokugcinwa kwe-electronic multihead weigher scales kunye neesekethe eziqhotyoshelweyo zixoxwa. I-1 Umgaqo kunye nesakhiwo se-electronic multihead weigher scales Umgaqo-siseko we-weigher kukuba emva kokuba into ilayishwe kwisikali, inzwa yokulinganisa iguqula umqondiso wedatha ye-net ibe yisignali ye-elektroniki yemveliso yepesenti, kwaye itafile ye-multihead weigher ikhulisa, izihluzi, i-A / D iguqulela kwaye ibonise isibonakaliso sedijithali kwi-digitally sensor. Itheyibhile yokulinganisa inokwahlulwa ibe ngamacandelo amane, njengoko kubonisiwe kuMfanekiso 1. Eyokuqala yinxalenye yenzwa yokulinganisa, umsebenzi wayo oyintloko kukuguqula isignali yobunzima bomnatha eyongezwe kwiqonga lokulinganisa kwimveliso yombane wepesenti; okwesibini yinxalenye yesixhobo sokubonisa idijithali, umsebenzi wayo ophambili kukukhulisa, ukuhluza, ukuguqula i-A/D, kunye nokubonisa isiphumo sophawu lwedijithali sisiva kwisiboniso emva kokwenziwa kwedijithali; eyesithathu yinxalenye yomzimba wesikali, umsebenzi wayo ophambili kukulayisha, kunye nenkqubo yomatshini inokwahlulwa ibe yiqonga lokulinganisa, ukutshintshwa komda wokufuduka, kunye nebholiti yegong; izixhobo zombane zixhotyiswe ngeetheminali, iintambo zonxibelelwano, njl.; okwesine yinxalenye yeperipheral, ebhekiselele kwisixhobo esiqhagamshelwe kwi-port ye-signal output port yesixhobo sokubonisa idijithali kunye nokufumana umqondiso wokuphuma kwepaneli yesixhobo; iiperipherals eziqhelekileyo ziquka abashicileli, iziboniso zesikrini esikhulu, kunye neenkqubo zolawulo olukrelekrele lwekhompyutha; Ukongeza, kukho igalelo kunye nemveliso ye-analog, i-fiber optical output, i-intermediate relay output, njl.

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