Ukuklama kanye nokuqaliswa kokuxhumana ngesikhathi sangempela sohlelo lokuqapha ukusebenza kwe-Electric gate Valve
Inombolo yesikimu sesifunda sebhodi lokulawula kanye nedivayisi kagesi iyafana. Imojula yokulawula kanye nedivayisi kagesi ixhunywe enye nenye ngekhebula ngokuya ngenombolo efanayo yetheminali. Uma umsebenzisi engasebenzisi isilawuli esisendaweni, amatheminali ezintambo angu-12, 13 kanye no-14 awaxhunyiwe. Isilawuli se-valve kagesi sisetshenziselwa uhlelo lokulawula oluzenzakalelayo, amatheminali ayi-12, 13, 14 "okushintsha kwesilawuli kude", "ukucisha okuzenzakalelayo" okuhambisana namatheminali okufaka amandla esignali.
Ukufakwa nokulungiswa kwesilawuli se-valve kagesi:
1. Hlanganisa futhi ulungise ngokuvumelana nemininingwane ekhethiwe yomkhiqizo, futhi i-terminal block ebhodini elingemuva kufanele isekelwe phansi.
2. Inombolo yesikimu sesifunda sebhodi lokulawula kanye nedivayisi kagesi iyafana. Imojula yokulawula kanye nedivayisi kagesi ixhunywe enye nenye ngekhebula ngokuya ngenombolo yetheminali yocingo efanayo. Isilawuli se-valve kagesi sisetshenziselwa uhlelo lokulawula oluzenzakalelayo, amatheminali ayi-12, 13, 14 "okushintsha kwesilawuli kude", "ukucisha okuzenzakalelayo" okuhambisana namatheminali okufaka amandla esignali.
3. Cindezela futhi ubambe ukhiye wokukhiya isikrini, inkomba izokhanya, isilawuli kude sizochema nesilawuli kude khona lapho, futhi isibonisi sesilawuli kude sizokhanya.
4, sebenzisa i-spindle ukuvula i-valve yesango ku-50% evulekile degree, ubambe i-valve evulekile noma uvale ukhiye we-valve, uhlole ukuthi ukujikeleza kwe-valve nokhiye wokusebenza kuyahambisana yini, uma kungahambisani ngokushesha cindezela ukhiye wokumisa, nqamula ugesi wezigaba ezintathu, buyisela ugesi wezigaba ezintathu esigabeni esibili esingahleliwe.
5. Cindezela bese ubamba inkinobho ye-valve evulekile. Lapho i-valve yesango ivuleka ngesikhathi, isibonisi sevalvu evulekile epuleti langaphambili sizokhanya; Cindezela bese ubamba inkinobho ye-valve yokuvala. Lapho i-valve yesango ivaliwe ngesikhathi, isibonisi sevalvu eseduze epuleti langaphambili sizokhanya; Lapho umzimba wevalvu uvuliwe noma uvala lapho isidingo sokunqamuka, cindezela inkinobho yokumisa, ukunqanyulwa kwevalvu yesango. Xhuma amatheminali No. 4 noma 7. Isibani sengozi kuphaneli yangaphambili.
6. Uma i-valve yesango isendaweni evulekile ngokugcwele, lungisa i-resistor yokulungisa epuleti langaphambili ukuze imitha yokuvula ibonise u-100%.
7, ukuchezuka kwesilawuli kude endaweni, ukukhanya kwesibonisi, iphutha lesifunda esifushane No. 12 noma 13 amatheminali ezintambo, i-valve yesango kanye nokusebenza kokuqondisa okuvulekile, ukuqalisa; Iphutha lesifunda esifushane Itheminali yocingo enguNombolo 12 noma enguNo. 14, ivalvu yesango okufanele ivalwe ukuze isebenze, esimweni sokuqalisa.
8. Ishubhu le-fuse epuletini elingemuva 5 x 20 A.
Ukuklama nokuqaliswa kokuxhumana kwesikhathi sangempela kwesango likagesi Uhlelo lokuqapha ukusebenza kweValve
Isingeniso: Ngokusho kwebhasi lesistimu ye-485, isofthiwe yesistimu yokuxhumana yesikhathi sangempela ohlelweni lokuhlola ukusebenza kwemishini kagesi eyakhiwe isikhungo sokuqapha i-PC kanye nezinhlelo ezimbalwa zokulawula i-single-chip ziyahlongozwa. Indlela yokusebenzisa i-VB ukuze uqedele ukwakheka kohlelo lokuxhumana olusheshayo lwe-PC kanye nesofthiwe yesistimu yokulawula i-chip eyodwa eyethulwa ngokugcizelela. I-PC iqede ukulawula okuhambisanayo nokuphathwa kwamayunithi amaningana akude.
Amagama angukhiye: I-Visual Basic serial communication communication system yokusebenza kwemishini kagesi isilawuli kude
1 Isingeniso
Ezinhlelweni eziningi zokuqapha ngesikhathi sangempela, ngokuvamile kufanele zamukele ukukalwa kwebanga elikude nokulawula idatha yephoyinti lobuchwepheshe, indlela yokufinyelela ukudluliswa kwedatha okukude okuthembekile ukuthi lezi zinhlelo zokubona kufanele zixazulule inkinga. Emkhakheni wokuthola, ukuze kwehliswe izindleko zesofthiwe yesistimu, isistimu ye-SCM ivamise ukusetshenziswa njengokuqoqwa kwedatha kanye nemojula yokurekhoda. Ku ** isikhungo sokuqapha, i-PC ivamise ukusetshenziselwa ukuqedela ithuba labantu abadala kanye nokuxhumana nesayithi lokuhlola.
Leli phepha lethula isofthiwe yesistimu yokulayeza esheshayo eyi-Master/Slave engasetshenziswa ukuqapha ukusebenza kwempahla kagesi efekthri. Umshini ophansi wesistimu yokuqapha yakhelwe nge-32-bit ARM microcontroller (L PC2214) njenge-CPU. Ama-CPLDS amabili (i-XC95108) anweba imbobo ye-I/O ukuze alawule isistimu ye-microcontroller efana nenjini yokulayisha, i-motor yokukhipha, i-photoelectric encoder kanye ne-AD converter, futhi kukhona ikhibhodi yekhompyutha yokudlulisa idatha kanye nesibonisi se-LCD Bonisa umsebenzi ngamunye wejekhi. , kanye nokuhlolwa kwayo kokuphrinta kokuphrinta okufanelekile komkhiqizo werekhodi eliyinhloko lepharamitha. Uhlelo lokuphatha lwesofthiwe yekhompyutha ephezulu lusekelwe ku-Visual Basic 610. Lolu hlelo ngokusebenzisa ukusebenza komkhiqizo wemingcele eyinhloko yokuhlolwa, luvimbela ngokuqinile imikhiqizo engafaneleki efektri, luthuthukisa ikhwalithi yomkhiqizo, luthuthukisa ukuncintisana kwemakethe yomkhiqizo.
Isofthiwe yesistimu yezokuxhumana isebenzisa izinhlobo ezinhlanu zezintambo ezisontekile endaweni yokusebenza njengemithombo yezokuxhumana. Isofthiwe yekhompuyutha ephezulu isebenzisa isilawuli sokuxhumana se-MSComm se-VB 610 ukuze iqedele ukuxhumana okusheshayo okukude ngekhompyutha ephansi. Ikhompyutha ephansi isetshenziswa kulayini wokukhiqiza, futhi umphumela wangempela uyenelisa.
2. Isakhiwo kanye nesimiso sohlelo
2.1 Ukwakheka kwesakhiwo
Uhlelo lokufaka isicelo luqukethe isikhungo sokuqapha kanye namamojula amaningana e-Remote Terminal Unite (Rtus) (Umfanekiso 1). Isikhungo sokuqapha sakhiwe isofthiwe yekhompuyutha ephezulu nesiguquli se-RS232/485, futhi imojuli ngayinye ekude kufanele yakhelwe njengohlelo olungcono kakhulu lokuqapha ukusebenza kwemishini kagesi esekelwe ku-ARM single chip microcomputer (Umfanekiso 2).
2.2 Izimiso
Njengesisetshenziswa esiphelele sokutholwa kwedatha ye-Terminal DTE(Da2ta Terminal Equipment), isikhungo sokuqapha sizibophezela ukuqedela ukuhlonza idatha yokutholwa nokugcinwa kwesistimu yokuqapha ukusebenza kwemishini kagesi ekude. I-PC ngokuya ngekhebula lokuxhumana elingu-485 kanye nohlelo lokuqapha ukusebenza kwemishini kagesi ekude, ijubane layo lokudlulisela liyi-9 600 bps, izinga lokudluliswa kwedatha yechweba lingasethwa ku-1 200 bps ~ 19 200 bps (1) ngokuvumelana nesofthiwe yesistimu.
Ngokusekelwe kusishumeki sesithombe sikagesi nesiguquli se-AD, isistimu yokuqapha ukusebenza kwempahla kagesi ekude iqoqa idatha yamapharamitha okusebenza ayinhloko wempahla eyinhloko. I-chip ye-MAX1480 yokucubungula ikhethiwe ukuze idlulise idatha ngedivayisi ye-PC, futhi amasiginali okushintshayo okufakwayo nokukhishwayo atholwa ngama-CPLDS amabili, ukuze kuqashelwe ukulawulwa kwezinto eziyinhloko kanye nesilinganiso esinembile semingcele eyisisekelo. Isistimu yokuqapha ukusebenza kwemishini kagesi nayo inokulinganisa, isexwayiso samaphutha kanye nokucubungula isofthiwe yesistimu yokuhlola ukusebenza kwe-chip. I-BRnbsp; nbsp; nbsp; nbsp; Isofthiwe yesistimu yokuxhumana yokuqapha i-PC emaphakathi kanye nesistimu yokulawula ye-single-chip microcomputer ngokusebenzisa ikhebula lokuxhumana le-485 ngendlela yesikrini esifanayo sokudlulisa okuningiliziwe okuhambisanayo kokuxhumana kwedatha yedatha, i-PC ngokusho kwe-serial port ukuthumela amathokheni kumojula eyihlane, imojula ekude ithole ithokheni yayo ngemva kokudluliselwa kwedatha ku-PC, i-PC ithole idatha emuva kokuqukethwe kolwazi olufanele. Ngale ndlela, isikhungo sokuqapha singalawula umshini oqhelile futhi siqoqe idatha.
3. Idizayini yokuhlela yokuxhumana kwe-serial okusheshayo
3.1 Isivumelwano Sokuxhumana
(1) Ulwazi lwedatha yohlaka lwakhiwe ibhithi yokuqala engu-1, i-data bits engu-8, ibhithi yokuhlola engu-1 kanye nebhithi yokuma engu-1.
(2) Izinga le-serial port baud liyi-9 600 bps. Ukuxhumana kwe-serial kwama-microcontroller angama-51 wesistimu yokuhlola imishini kagesi kusebenzisa i-UART0 ukusunduza nokwamukela idatha. Ukuze uthole isilinganiso esinembile se-serial baud, isilawuli se-ARM esincane samukela isekethe ye-crystal oscillator ene-oscillation frequency engu-111059 2MHz. Izinga le-baud le-PC lihlelwe ngokuya ngesici sokuSetha se-VB yokulawula ukuxhumana kwe-MSComm. Ukuqinisekisa ukunemba kokudluliswa kwedatha, izinga le-baud le-PC serial port kufanele lifane.
(3) Ukuxhumana kwezintambo eziningi kuyamukelwa ohlelweni. Isofthiwe yekhompuyutha ephezulu ixhumana namamojula akude ngokuya ngebhasi elidlula amathokheni [2]. Ulwazi oludluliswa kwi-PC luyinombolo engashintshi ye-4-byte. Amabhayithi okuqala nawesibili ayisihlonzi sokuqala kanye nenombolo yekheli leyunithi yesilawuli kude, ngokulandelana. Ibhayithi yesithathu ibonisa ukuthi ukusunduza kuyikhadi lomyalelo noma imiyalelo, futhi ibhayithi yesine yisihlonzi sokuphela.
(4) Ngemva kokuthola ithokheni, imojula eyihlane yenza isahlulelo ngokuqhathanisa inombolo yekheli yethokheni kanye nekheli elinemininingwane ye-module, ngokwazi ukuthi ithokheni iyiyunithi, bese ibhasi lesistimu lisesimweni sokuthola idatha. . Le mojula kancane kancane ithumela umlayezo omfushane, okuqukethwe kolwazi olulayishiwe ngamabhayithi angu-158. Amabhayithi okuqala nawesibili abonisa isihlonzi sokuqala kanye nomlingiswa womyalo ngokulandelana, ibhayithi yesithathu ikhombisa inani lemininingwane yedatha, ibhayithi yesine ikhombisa umbiko wokuhlola we-157 oqoqiwe, kanti ibhayithi engu-158 ikhombisa isihlonzi sokugcina. Uma ikheli elinemininingwane lingahambisani, ithokheni yabelwa iyunithi elandelayo [3]. Indlela yokuxhumana ikhonjiswe kuMfanekiso 3 ngezansi.
3.2 Isilawuli kude se-MCU esibanzi sohlelo lokuxhumana kwe-serial design
Idizayini yesilawuli kude ye-ARM ye-single-chip microcomputer isebenzisa imodi yokuphazamisa ukuze yenze ukwamukela idatha, ngokohlelo lwesofthiwe yomakhalekhukhwini i-ADS112 ukwenza ukuxhumana nesofthiwe yekhompiyutha ephezulu, ishadi elingaphansi lokugeleza kwesofthiwe yekhompyutha yekhompyutha kanye nengxenye engezansi yokunqanyulwa kwetheminali yekhompyutha. -ishadi lokugeleza ngokulandelana njengoba kukhonjisiwe kuMfanekiso 4 nomfanekiso wesi-5 ngezansi.
Uma imojuli yesilawuli kude ithola ithokheni enekheli elinemininingwane efanayo nedivayisi, ibeka uphawu lokwamukela ulwazi lwedatha. Ngemva kokuthola ithokheni yethu, imojuli ekude ilayisha kancane kancane idatha ku-PC esiteji. Ngaphezu kwalokho, i-PC iyayeka ukusunduza ithokheni futhi iqhubeke nokuthola idatha kuze kube yilapho idatha itholwa futhi umlayezo wedatha utholwa Ngemva kokwamukela, phusha imiyalelo yokuqinisekisa kumojula ekude lapha. Uma lungekho ulwazi lwedatha olutholiwe noma idatha ingafaneleki, cindezela umaki ongalungile kumojula eyirimothi lapha. Uma ithokheni eyamukelwe ingafani nekheli elinemininingwane yedivayisi, ukugeleza kohlelo kubuyela endaweni yokufaka itheminali futhi kwenze eminye imisebenzi yangempela. Lokhu kuqinisekisa ukuthi imojuli yesilawuli kude ithumela idatha ngokucacile ku-PC yesofthiwe kukhompuyutha ephezulu.
3.3 Indlela yokuklama uhlelo lwe-serial ye-PC
Isofthiwe yekhompyutha ephezulu isebenzisa i-VB 610 ukuthuthukisa izinhlelo. Kunezindlela ezimbili zokuthuthukisa nokuklama izinhlelo zokuxhumana ze-serial nge-VB 610: eyodwa ukusebenzisa ifomula yokusebenza ye-API ye-Windows; Okunye ukukhetha i-VB communication control MSComm. Ukusetshenziswa kwefomula yomsebenzi we-API ukubhala inqubo yohlelo lokuxhumana kwe-serial kuyinkimbinkimbi kakhulu, kufanele kunikeze ifomula yokusebenza eyinkimbinkimbi ye-API, futhi ukulawulwa kokuxhumana kwe-VB610 MSComm kuletha umsebenzi wokuphatha umcimbi ojwayelekile, umcimbi kanye nendlela, ikhasimende alidingi ukwazi kahle ukuxhumana. inqubo yezinga eliphansi kakhulu lokulawula ukusebenza kwe-API ifomula yokusebenza (4), bese kuba lula kakhulu, ukuqedwa okuphumelelayo kokuxhumana kwe-serial.
Ukulawula kuletha imisebenzi emibili yochungechunge lokwamukela nokulayishwa kwedatha: eyodwa iwukuvota, engenziwa ngokusebenzisa isibali sikhathi kanye nokugeleza kohlelo lwe-DO.Loop emicimbini eyindilinga kanye nokuxhumana ngokuya ngamavelu e-Com2mEvent; Enye indlela eqhutshwa Umcimbi, esebenzisa i-MSComm ukulawula imicimbi ye-OnComm ukuze ithwebule amaphutha okuxhumana okulandelanayo noma izehlakalo, futhi ibhala izinhlelo ezingozini ze-OnComm ukuzixazulula ngezinga elithile [5]. Le softhiwe yesistimu isebenzisa isibali sikhathi ukuze iphushe ithokheni futhi yamukele okuqukethwe kolwazi lwamarisidi okuklanywe isilawuli esikude, ukuze i-PC yenze impendulo esheshayo.
Uhlelo lokusebenza lweselula lusebenzisa isilawuli se-timer1 ukuze kuzuzwe umjikelezo wamathokheni. Setha isibali sikhathi ukuthi siphendule kanye ku-10ms(Timer11Internal=10).
3.4 Idizayini ye-SCM ye-ARM2210 yochungechunge lwemikhiqizo yochungechunge lwendlela yokuklama uhlelo lokuxhumana
Ikhompuyutha elandelayo isebenzisa isofthiwe yomakhalekhukhwini i-ADS112 ukwenza uhlelo lokubhala, le softhiwe kamakhalekhukhwini ithuthukiswe ngokukhethekile i-ARM ye-microcomputer ye-single chip isofthiwe yomakhalekhukhwini, isisho sayo solimi sifana nenkulumo yolimi C, sinokusebenziseka okuhle kakhulu.
4 Amazwi Okuvala
Uhlelo lokusebenza lulawula ukuqapha okuku-inthanethi komshini oqhelile, futhi ingxenye yokuxhumana I-inthanethi isebenza kahle, izinga lokudlulisela lihlangabezana nemithethonqubo, ukusebenza kahle komsebenzi kuphezulu, ukusetshenziswa kulula, uhlelo lokuxhumana lufanelekile, kanye nokutholwa kwedatha kanye imithethonqubo yokulawula yendawo yokusebenza ingafinyelelwa. Lolu hlelo lungasetshenziswa kabanzi ekulinganiseni ukukhiqizwa kwezimboni ngokunemba okuphezulu nokulawula ubuchwepheshe nokuqoqwa kwedatha nezinye izimboni.
Ireferensi yephepha
(1) JanAxelson. Iqoqo Eliphelele Lezinombolo Zembobo Yezimbobo Zokuxhumana [M]. I-Beijing: I-State Electric Power Publishing House, ngo-2001
(2) Yang Xianhui. I-Fieldbus Technology kanye nesicelo sayo [M]. Beijing: Tsinghua University Press,
(3) Li Zhaoqing.PC kanye ne-single-chip Microcomputer idizayina Ubuchwepheshe bokuxhumana kwedatha [M]. I-Beijing: I-University of Aeronautics and Astronautics Press, ngo-2000.
(4) Xiang Juwei et al. Kusetshenziswa ikilasi le-C6 lefomula yokusebenza ye-Windows API ukuqedela ukuxhumana kwe-serial [J]. Ubuchwepheshe bokuthola, 2000
(5) I-Fan Yizhi.I-Visual Basic kanye ne-RS232 yokulawula Ukuxhumana kwe-Serial [M]. I-Beijing: I-China Youth Publishing House, ngo-2000.
Isikhathi sokuthumela: Feb-24-2023
