Uphuculo oluqhubekayo lwe-metrological yetekhnoloji- umahluko wokunciphisa amafutha [i-multihead weigher]

Umbhali: Smartweigh–Multihead Weighter

Ukudibanisa iminyaka emininzi yemisebenzi ebonakalayo emsebenzini, umhleli wenze uphando lwezenzululwazi ngokubanzi kunye nolunzulu malunga nokulinganisa okuguquguqukayo kunye nokuqinisekiswa kwe-metrological yamazwe ahlukeneyo ehlabathini, kwaye wabeka ngokucacileyo isisombululo malunga nendlela yokuphucula ukuchaneka kokuqinisekiswa kwe-metrological. yabaxube abajikelezayo. Ubume bexesha lomlinganiselo kunye nendlela yokuqinisekisa koomatshini abajikelezayo abashukumisayo. 1.1 Indlela yomgangatho werotary isetyenziswa ngokubanzi.

Kukho iindlela ezahlukeneyo zokulinganisa kunye nokuqinisekisa izixhobo zepleyiti kwizinto zokuhombisa zokwakha, ukutya okuziinkozo, ioyile, ukutya, imigodi, njl., okanye ukulawula i-seasonings kwi-intanethi. Ezona ziqhelekileyo zezi: izikali zebhanti ye-elektroniki, iiflowumitha zepleyiti ezigungxulwayo, izikali zenyukliya, kunye nezikali zemathiriyeli yepani. Ezi ntlobo zeendlela zokulinganisa ezichanekileyo zineempawu zazo, kodwa ukulinganiselwa kukhulu kakhulu.

Intshayelelo kwitekhnoloji yokucubungula isikali sebhanti: yenza ukubala okudityanisiweyo kwesiginali yedatha yomthwalo kunye nesantya solawulo lwedatha (isantya sokuhambisa ibhanti) kwindawo epheleleyo yeshishini (icandelo lobunzima) ukufumana ukuhamba ngokupheleleyo. ixabiso, kwaye uyisebenzise njengenjongo yolawulo. Qaphela: Ngokolawulo lwesantya sokutsala, tshintsha inani elipheleleyo lezinto ezikrwada eziza kutsalwa, ukuze emva kokuba izinto ezikrwada zenziwe kwizibuko lokutya lomkhumbi wezothutho, ubukhulu bazo buzinzile kwaye bufana, kunye nomthwalo. yebhanti yokuhambisa ayiyi kutshintsha kungakhathaliseki ukuba umlinganiselo wesantya setrektara. Ukuqinisekiswa kwe-metrological kunye nokulandelelana kwale ndlela kufuneka kube ngcono kunezinye iindlela zokutyisa.

Qaphela: Ukutya kunye nokulinganisa kwenziwa kwiibhanti ezi-2 nganye. 1.2 Ubume bendlela yomgangatho oqhubekayo wokuqhuba oomatshini abashukumisayo. Kubandakanywa: Oomatshini bokuxuba umhlaba we-Cement Stabilized, oomatshini bokuxutywa be-Concrete obuqhubekayo, i-Asphalt eqhubekayo yokuxuba oomatshini, oomatshini bokuxuba ngokuqhubekayo, njl.

Kwiimeko zanamhlanje, ezo zixhobo azinakuthelekiswa neendlela zebhetshi ngokuchaneka kokuqinisekiswa kwe-metrological. Ngoko ke, indlela yokuxuba eqhubekayo ayizange ithandwa ngabathengi abaninzi, enye yezizathu. Ngokombonakaliso wesayensi, kunokubonwa ukuba ukudibanisa kunye nokucubungula iteknoloji echazwe kwezi ndlela zimbini zokuqinisekisa ukulinganisa zineendawo ezikhoyo, kwaye ukusetyenziswa kokuxuba okuqhubekayo akuchaphazeli ukulinganiselwa kwexeshana lobugcisa.

Namhlanje, oomatshini bokuxuba abajikelezayo kwilizwe lethu bonke basebenzisa indlela yomthamo okanye isikali sebhanti ye-elektroniki / isikali esijikelezayo. Iindidi ezimbini zomlinganiselo kunye neendlela zokuqinisekisa zisetyenziswa. Indlela yokuphuhlisa iteknoloji yokuxuba i-rotary yaziswa ukusuka eYurophu ngo-1970. Akukho phuculo ukusuka ekuqaleni ukuya ekugqibeleni. Ngapha koko, zombini iindlela zinokufikelela ukuchaneka okuphezulu eYurophu. Umzekelo, iSchenck's transmission belt batching scale eFransi ine-batching eguquguqukayo echanekileyo eyi-2%. Kodwa akulunganga kwilizwe lam, isizathu sixhomekeke kwimiqobo yeziseko ezingundoqo ezifana nomzi mveliso wokulungisa oomatshini kunye nezinto ezikrwada kwilizwe lam.

Namhlanje, ukuchaneka komlinganiselo wezikali zebhanti ye-elektroniki kwindlela yelizwe lam ngokubanzi malunga ne-5%, engekho kude nokuqinisekiswa komlinganiselo osekelwe kumthamo, kunye nokuthembeka kwexesha elide kubi. Icandelo lesi-2: Izinto ezintsha kwiSikali esiqhubekayo-Uphawu oluhlukileyo (uBume obungenabunzima) Izikali. Ukususela ngo-1990, i-multihead weigher (isiNgesi Ukulahlekelwa kwesisindo) isetyenziswe ngokuqhubekayo kwimveliso yoshishino.

Izikali zebhanti ye-elektroniki, izikali ezijikelezayo, izikali eziqokelelanayo, njl. njl Njengendlela entsha nephuculweyo yokuqinisekisa umlinganiselo, kuya kukhethwa ukuveliswa kwemathiriyeli ekrwada ngakumbi nangakumbi. 2.1 Umgangatho osisiseko: Thatha ibhakethi yokuqinisekisa isikali kunye nombutho wokutyisa uphela, ngokuqhubekayo isampula yongqinisiso lwesikali somgangatho wedatha ngokwesixhobo solawulo okanye isoftware yekhompyuter, kwaye ubale umlinganiselo wokuqinisekisa umlinganiso we-elastic coefficient ngexesha leyunithi njenge Ukuqukuqela okupheleleyo ngoko nangoko, kwaye ke ngokuhambelana nesoftware eyahlukeneyo kunye noqwalaselo lwehardware yezihluzi zisonjululwa ngokobuchwephesha ukufumana.“ukuhamba ngokupheleleyo okuthe ngqo”. Umlinganiselo ochanekileyo wokuhamba kwamanzi kubaluleke kakhulu, sisiseko somlinganiselo ochanekileyo we-multihead weigher.

Lo mfanekiso uquka indlela yeklasikhi: Ekugqibeleni, ngokwe-algorithm yokuphucula impendulo ye-PID, i-FC yenza umsebenzi ochanekileyo wolawulo olusondeleyo kwithagethi epheleleyo, kwaye ikhupha isignali yedatha yokulungelelanisa ukulawula isiqalo esithambileyo kunye nezinye iibhodi zokulawula ukutya. . 2.2 Ukusebenzisa isikali somlinganiso wokulinganisa umlinganiselo (i-multihead weigher) kwikhonkrithi: Inokubonwa kumgaqo-siseko osisiseko wokuba ayiyi kwenzakala ngotshintsho lwezixhobo zoomatshini phakathi kwesikali kunye nombutho wokutyisa, ulinganisa kuphela umahluko wobunzima bomnatha (umahluko). ubunzima), kwaye Iinzuzo zeendlela zokulinganisa eziguqukayo zemveli zaziwa kakuhle. Phantsi komqathango wokuba ujoliso ekujoliswe kulo luhamba lulonke (t/h, kg/min), ukuba umthamo wokuthuthwa kwempahla ekrwada kunye nokuchaneka kongqinisiso lwe-metrological kuphezulu noko, indlela yemeko engenabunzima ingasetyenziswa njengesona sicwangciso sokuqinisekisa i-metrological verification. .

2.2.2 Inkqubo yokuvelisa i-multihead weigher: 2.2.3 Isikimu soyilo lwe-multihead weigher kufuneka sinikele ingqalelo kwizinto ezibeka engozini ukuchaneka kokulinganisa: i-multihead weigher iqwalasela iimpawu zesikali sedatha ye-static kunye nomlinganiselo oguqukayo. . Ngoko ke, ekuyilweni kwenkqubo yokulawula, kucacisiwe : 1. Uluhlu lwezinga lokuthutha olufanelekileyo, ngokubanzi, uluhlu oluthile lomsebenzi luyi-60% ukuya kwi-70% yexabiso elilinganisiweyo lomthamo wokuthutha. Xa usebenzisa unxibelelwano kunye nokutshintsha kwesantya sotshintshiselwano, i-frequency yoxinzelelo yi-35-40HZ. Uluhlu olubanzi lohlengahlengiso luqinisekisiwe.

Kwakhona ngenxa yokuba isantya sothutho siphantsi kakhulu, ukuthembeka kwesoftware yenkqubo buthathaka. Okwesibini, ukukhethwa koluhlu lwenzwa kunye nefomula yokubala ifanelekile. Oko kukuthi, i-sensor iphinda isebenzise i-60% ~ 70% yoluhlu lwayo lokulinganisa, kwaye uluhlu lwenguqu yedatha yedatha lubanzi, olunenzuzo kakhulu ekuphuculeni ukuchaneka.

3. Isikimu soyilo lwenkqubo yomatshini ukuqinisekisa ubukho bemali ekrwada, kunye nokuqinisekisa ukuba ixesha lokutyisa lifutshane kwaye ukutyiswa akuxhaphakanga. Ngokuqhelekileyo, ukondla kanye yonke imizuzu emi-5-10. Ukuhanjiswa okuncedisayo kufuneka kube lula kwaye kumgca. 2.2.4 Usetyenziso oluphambili: Ngophuhliso olukhawulezayo lwethekhnoloji yolawulo lweemoto, i-multihead weigher ithatha inkqubo entsha yetekhnoloji, kwaye ukuchaneka komlinganiselo wayo kuyahluka ukusuka kwi-0.3% ukuya kwi-0.5%.

Isitshixo sobu buchwepheshe kukusetyenziswa kweenzwa zobunzima bedatha, ezinokwenza ubunzima bobunzima bobunzima be-0.1% ~ 0.2% okanye ngaphezulu. 2.2.4.1 Ukusetyenziswa kwenzwa yobunzima bedatha: Ukuze kuqwalaselwe imfuneko yokulinganisa okuguquguqukayo kunye nokuchanekileyo, kubaluleke kakhulu ukukhetha inzwa ekupheleni kwegalelo le-software yenkqubo yokulinganisa. Ngokukodwa kwindawo apho inkqubo kufuneka ibe nengqondo, inani elikhawulezayo okanye elingathanga ngqo le-sensor libonakala libaluleke kakhulu. Ngeli xesha, ukungaqiniseki kokulinganisa okuchanekileyo kunye nezinga lokulinganisa elichanekileyo lidla ngokudibanisa, kwaye ezimbini azikwazi ukudibanisa. izixhobo, kodwa kufuneka zilinganiswe kwimeko nganye-kwimeko.

Kweli nqanaba, uninzi lwedijithali kunye ne-analog sensors zemveli zisetyenziswa kwishishini lokulinganisa laseTshayina, kwaye isiphumo sophawu lwepulse ayisikhulu. Ngokomzekelo, umgaqo osisiseko we-resistor strain force isetyenziselwa ukuvelisa inzwa yobunzima kunye nemveliso enkulu, kwaye imveliso yayo ngokuqhelekileyo i-30-40 mV. Ke ngoko, isignali yayo yedatha ichaphazeleka kakhulu kwimpembelelo yerediyo, kwaye umgama wokuhanjiswa kwentambo umfutshane kakhulu, ngokubanzi ngaphakathi kweemitha ezili-10.

Khetha uthotho lweenzwa ezininzi zenkqubo yesoftware yokulinganisa (isikali sokulinganisa), iqonga lenkonzo yenkqubo yokulinganisa isoftwe okanye ibhulorho yokulinganisa isikali (isikali selori ye-elektroniki okanye isikali sikaloliwe), inkqubo yedatha yesoftware inokugqiba“isixa esizichazayo”. Ngenxa ye-software yenkqubo yoluvo lwedijithali enamajelo amaninzi, akukho ngxaki yokumelana nayo. Umsebenzisi unokufaka idilesi eneenkcukacha zenzwa echaphazelekayo, ubunzima bomnatha kunye novakalelo lwesikali, kwaye isikali sinokuqhutywa ngokuzenzekelayo.“iikona ezine”okanye“edge”Ibhalansi yealfabhethi yesiNgesi ayifuni ukulungiswa ngokuphindaphindiweyo.

Xa i-sensor ezininzi zixhunyiwe kwi-software yenkqubo yokulinganisa, iimpawu zenzwa nganye azikwazi ukuchongwa kakuhle, kwaye inzwa nganye kufuneka ilinganiswe kwaye inzwa nganye kufuneka ilinganiswe ngokusebenzisa i-voltage divider kwi-block block. Isixhobo silinganisiwe. Ekubeni kukho uvavanyo oludibeneyo lwe-t kuyo yonke inkqubo yokulungelelanisa, iphinda iphindwe ngamaxesha amaninzi. Kwinkqubo yedatha yedatha, vumela ukuqinisekiswa okuzimeleyo nganye njengenzwa enye.

Ke ngoko, ixesha elichithwe ukulinganisa isoftware ye-sensor ekrelekrele yi-1/4 kuphela yenkqubo yokulinganisa. Inkqubo yesoftware inako“ozixilongayo”, oko kukuthi, inkqubo yokuxilonga ingajonga ngokuqhubekayo ukuba isignali yedatha ye-sensor nganye iphelile, ingaba imveliso igqithiswe kakhulu, njl. Ukuba iphoso eliqhelekileyo lenzeka, ulwazi okanye i-alamu iya kuboniswa ngokuzenzekelayo kwipaneli yesixhobo okanye ipaneli yokusebenza. Abathengi banokusebenzisa izitshixo zomsebenzi kwipaneli yokulawula ukukhangela inzwa nganye, ukuchonga unobangela wempazamo eqhelekileyo kwaye baqhube ukususwa kwempazamo eqhelekileyo.

Ukukwazi ukuxilonga ngokubonakalayo kunye nokucacisa iimpazamo eziqhelekileyo ngokucacileyo kuyinzuzo ephambili kubathengi, kwaye ekufaniseni i-analog sensor system software, ezo zibonelelo zifanelekile kakhulu, zifanelwe ukulinganiswa. Isoftware yenkqubo ye-sensor yokulinganisa imodeli Kwishishini lokulinganisa, isisombululo sesikrini se-analog-to-digital converter yi-bits ye-16, kwaye kukho ukubalwa kwe-50,000 ekhoyo; kunye nesisombululo sesikrini senzwa nganye kwisofthiwe yenkqubo yedatha yi-16 bits. Ngamasuntswana angama-20, kukho i-1,000,000 yokubala ekhoyo. Ke, isoftware yenkqubo ene-4 sensors yedijithali inokuvelisa i-4,000,000 yokubala izigqibo zesikrini.

Kuyinzuzo yeepikseli eziphezulu, ngakumbi kwimeko apho ubunzima besakhelo sokulinganisa bunzima kwaye ubungakanani buncinci. Ngokomzekelo, kwi-software ye-batch yokulinganisa i-software, ngamanye amaxesha ezinye izinto eziluhlaza ziyingxenye encinci yeresiphi eyimfihlo, kodwa iimfuno zokuchaneka ziphezulu kakhulu. Iimeko ezinjalo zinzima ngokulinganayo ukufezekisa ukulinganisa inkqubo yemveli.

2.3 Ubume besicelo ekhaya nakwamanye amazwe (efunyenwe kwizityalo zekhemikhali, kwishishini lesinyithi, iiplastiki, ii-chemical fibers, njl. njl.) Kwiinkalo ezininzi, kukho amava omsebenzi ekusebenziseni i-multihead weigher. Umzekelo: isinongo sekhonkrithi. Kwiminyaka yakutshanje, iye yasetyenziswa ngokubanzi kwiinkalo ezininzi ezifana neemveliso zerabha, iintsinga zekhemikhali, neefiber zamehlo.

Kweminye imveliso yoshishino, ukuqinisekiswa komlinganiselo wobume obungenabunzima obuqhubekayo kunokuqinisekisa ukuxutywa okufanayo kwezinto ezingenanto, kunye nokuxuba kufuneka kube buthathaka, okwenza lula iteknoloji yokucubungula. Le mveliso iphelele kakhulu ngaphandle. Ngokomzekelo, i-French Schenck Enterprise, iBuda Benla Enterprise, kunye neFrench Pioneer Enterprise, njl., iteknoloji yabo iya kukhokela ihlabathi ngamazwe ngamazwe. Phakathi kwabo, amaqhawe asebenzisa iteknoloji ye-sensor yedijithali, kwaye ukuchaneka okuguquguqukayo kufikelela kwi-0.25%.

Ukuchaneka kwe-static data balance scale kuye kwaphunyezwa kuyo yonke inkqubo yokuveliswa kwamashishini. Sebenzisa kwimixube ejikelezayo kunye neengozi ezizayo. Kumsebenzi wokuqinisekisa umlinganiselo womatshini wokuxuba oqhubekayo kwilizwe lam, isahlala kwindlela yokuqinisekisa umlinganiselo wesintu. Ngoko ke, ukusetyenziswa kunye nokukhuthazwa kwe-multihead weigher kubaluleke kakhulu kwi-teknoloji yokucubungula i-samente ezinzile ukuxuba umhlaba, ukuxuba okuqhubekayo kwekhonkrithi, kunye ne-asphalt eqhubekayo yokuxuba. Ikwanayo nokubaluleka okukhulu okubonakalayo kulawulo oluchanekileyo lokuhamba okupheleleyo.

Ngenxa yesakhiwo esilula senkqubo yokuvuselela i-rotary kunye neendleko eziphantsi zokugcinwa, xa umlinganiselo wokuxuba imveliso uphuculwe, isabelo sangoku semarike esisezantsi sokuvuselela i-rotary siya kutshintshwa. Ngokukodwa kwintsimi yobunjineli bendlela kunye ne-hydropower, apho imimiselo ephakamileyo ibekwe kumatshini wokunyusa imveliso, i-multihead weigher iyisinyathelo esibalulekileyo sokwandisa ukuchaneka kokuqinisekiswa kwe-metrological.

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