Unokukhetha njani ukusebenzelana okwandisiweyo kweThebhulethi yemoto eRugged ngokweeMfuno ezahlukeneyo

Kungumbono oqhelekileyo ukuba iitafile ezixhonywe kwimoto ezimagingxigingxi ezinonxibelelwano olwandisiweyo ziqashwe kumashishini amaninzi ukomeleza ukusebenza kakuhle kunye nokuqaphela imisebenzi ethile. Indlela yokuqinisekisa ukuba iipilisi zinee-interfaces ezihambelanayo kunye nezixhobo ezidityanisiweyo kwaye zidibana ngokufanelekileyo neemfuno ezithile zesicelo ziye zaba yinkxalabo yabathengi. Eli nqaku lizakwazisa ujongano oluqhelekileyo olwandisiweyo lwethebhulethi exhonywe kwisithuthi ukukunceda uqonde ngcono iimpawu zabo kwaye ukhethe esona sisombululo sifanelekileyo.

·I-CANBus

Ujongano lwe-CANBus lujongano lonxibelelwano olusekwe kubuchwephesha benethiwekhi yendawo yomlawuli, esetyenziselwa ukudibanisa iyunithi yolawulo lwe-elektroniki eyahlukeneyo (ECU) kwiimoto kwaye iqonde ukutshintshiselana kwedatha kunye nonxibelelwano phakathi kwabo.

Ngokusebenzisa i-CANBus interface, ithebhulethi efakwe kwisithuthi inokudityaniswa kwinethiwekhi ye-CAN yesithuthi ukufumana ulwazi lwemo yesithuthi (njengesantya semoto, isivinini se-injini, indawo ye-throttle, njl. njl.) kunye nokubonelela abaqhubi ngexesha langempela. Ithebhulethi efakwe kwisithuthi inokuthumela imiyalelo yokulawula kwinkqubo yesithuthi ngokusebenzisa i-CANBus interface ukuze iqonde imisebenzi yokulawula ehlakaniphile, njengokupaka ngokuzenzekelayo kunye nokulawula okude. Kuyafaneleka ukuba uqaphele ukuba ngaphambi kokudibanisa i-interfaces ye-CANBus, kuyimfuneko ukuqinisekisa ukuhambelana phakathi kwe-interface kunye nenethiwekhi ye-CAN yesithuthi ukuphepha ukungaphumeleli konxibelelwano okanye ukulahleka kwedatha.

· J1939

I-J1939 interface yi-protocol yezinga eliphezulu elisekelwe kwi-Controller Area Network, esetyenziswa ngokubanzi kunxibelelwano lwedatha ye-serial phakathi kweyunithi yokulawula i-electronic (ECU) kwizithuthi ezinzima. Le protocol ibonelela ngojongano olusemgangathweni kunxibelelwano lwenethiwekhi yezithuthi ezinzima, eziluncedo ekusebenzisaneni phakathi kwe-ECU yabavelisi abahlukeneyo. Ngokusebenzisa iteknoloji ye-multiplexing, uxhulumaniso olusemgangathweni lwenethiwekhi ye-high-speed esekelwe kwibhasi ye-CAN inikezelwa kwi-sensor nganye, i-actuator kunye nomlawuli wesithuthi, kunye nokwabelana ngedatha ye-high-speed iyatholakala. Inkxaso yeeparamitha ezichazwe ngumsebenzisi kunye nemiyalezo, elungele uphuhliso kunye nokwenza ngokwezifiso ngokweemfuno ezizodwa ezahlukeneyo.

· OBD-II

I-OBD-II (i-On-Board Diagnostics II) ujongano lujongano olusemgangathweni lwesizukulwana sesibini kwibhodi yokuxilonga inkqubo, evumela izixhobo zangaphandle (ezifana nezixhobo zokuxilonga) ukuba zinxibelelane nenkqubo yekhompyuter yesithuthi ngendlela esemgangathweni, ukuze ukubeka iliso kunye nokunika umva ubume bokuqhuba kunye neenkcukacha zokusilela kwesithuthi, kunye nokubonelela ngolwazi olubalulekileyo lwereferensi kubanini bezithuthi kunye nabasebenzi bolondolozo. Ukongeza, i-interface ye-OBD-II ingasetyenziselwa ukuvavanya imeko yokusebenza kwezithuthi, kubandakanywa uqoqosho lwamafutha, ukukhutshwa, njl., Ukunceda abanini bagcine izithuthi zabo.

Ngaphambi kokusebenzisa isixhobo sokuskena se-OBD-II ukuxilonga imeko yesithuthi, kufuneka kuqinisekiswe ukuba injini yesithuthi ayiqalwanga. Emva koko faka iplagi yesixhobo sokuskena kwi-interface ye-OBD-II ebekwe kwindawo esezantsi yekhebhu yesithuthi, kwaye uqale isixhobo sokuxilonga.

· Igalelo leAnalog

I-analog input interface ibhekiselele kwi-interface enokuthi ifumane ubungakanani obuguqukayo obuguqukayo kwaye buguqulelwe kwiimpawu ezinokuqhutyelwa phambili. Ezi zilinganisi zomzimba, kubandakanywa ukushisa, uxinzelelo kunye nesantya sokuhamba, ngokuqhelekileyo zivakalelwa ngeenzwa ezihambelanayo, ziguqulelwe kwiimpawu zombane ngabaguquli, kwaye zithunyelwe kwi-port input ye-analog yomlawuli. Ngokusebenzisa iisampulu ezifanelekileyo kunye nobuchule bokulinganisa, ujongano lwe-analog yegalelo lunokuthi lubambe ngokuchanekileyo kwaye luguqule utshintsho oluncinci lwesignali, ngaloo ndlela lufezekise ukuchaneka okuphezulu.

Ekusetyenzisweni kwethebhulethi efakwe kwisithuthi, i-analog input interface ingasetyenziselwa ukufumana iimpawu ze-analog ezivela kwi-sensors yemoto (njenge-sensor yeqondo lokushisa, inzwa yoxinzelelo, njl.), ukwenzela ukuba kuqondwe ukujonga ixesha langempela kunye nokuxilongwa kwempazamo yesimo sesithuthi.

· RJ45

I-RJ45 i-interface yi-interface yonxibelelwano yonxibelelwano lwenethiwekhi, esetyenziselwa ukudibanisa iikhomputha, utshintsho, ii-routers, iimodem kunye nezinye izixhobo kwinethiwekhi yendawo yendawo (LAN) okanye inethiwekhi yendawo ebanzi (WAN). Inezikhonkwane ezisibhozo, phakathi kwazo i-1 kunye ne-2 zisetyenziselwa ukuthumela iimpawu ezihlukeneyo, kunye ne-3 kunye ne-6 zisetyenziselwa ukufumana iimpawu ezihlukeneyo ngokulandelanayo, ukuphucula amandla okuchasana nokuphazamiseka kokudluliselwa kwesignali. Izikhonkwane ze-4, i-5, i-7 kunye ne-8 zisetyenziselwa ukuhlalisa kunye nokukhusela, ukuqinisekisa ukuzinza kokuhanjiswa kwesignali.

Ngokusebenzisa i-interface ye-RJ45, i-tablet efakwe kwisithuthi inokudlulisa idatha kunye nezinye izixhobo zenethiwekhi (ezifana ne-routers, switch, njl.) ngesantya esiphezulu kunye nokuzinza, ukuhlangabezana neemfuno zonxibelelwano lwenethiwekhi kunye nokuzonwabisa kwe-multimedia.

· RS485

I-RS485 interface yi-half-duplex serial ujongano lonxibelelwano, olusetyenziselwa umatshini wokuzisebenzela kunye nonxibelelwano lwedatha. Yamkela imowudi yokuhanjiswa kwesignali eyahlukileyo, ukuthumela nokufumana idatha ngokusebenzisa imigca yeempawu (A kunye ne-B). Inamandla okuthintela ukuphazamiseka kwaye inokuxhathisa ngokufanelekileyo ukuphazamiseka kwe-electromagnetic, ukuphazamiseka kwengxolo kunye nemiqondiso yokuphazamiseka kokusingqongileyo. Umgama wokuhanjiswa kwe-RS485 unokufikelela kwi-1200m ngaphandle kokuphinda, okwenza kube yinto ebalaseleyo kwizicelo ezifuna ukuhanjiswa kwedatha ekude. Inani eliphezulu lezixhobo ezinokuthi ibhasi ye-RS485 idibaniswe yi-32. Ukuxhasa izixhobo ezininzi zokunxibelelana kwibhasi enye, ekulungele ukuphathwa kunye nokulawula okuphakathi. I-RS485 ixhasa ukuhanjiswa kwedatha yesantya esiphezulu, kwaye izinga lidla ngokufikelela kwi-10Mbps.

· RS422

I-RS422 interface yi-full-duplex yonxibelelwano lwe-serial interface, evumela ukuthumela nokufumana idatha ngexesha elinye. Imowudi yokuhanjiswa kophawu olwahlukileyo yamkelwa, imigca emibini yemiqondiso (Y, Z) isetyenziselwa ukuhanjiswa kunye nemigca yemiqondiso emibini (A, B) isetyenziselwa ulwamkelo, enokumelana ngokufanelekileyo nokuphazamiseka kombane kunye nokuphazamiseka kwe-loop yomhlaba kunye nokuphucula kakhulu uzinzo nokuthembeka. yogqithiso lwedatha. Umgama wokuhanjiswa kwe-interface ye-RS422 ide, enokufikelela kwiimitha ze-1200, kwaye inokudibanisa ukuya kwii-10 izixhobo. Kwaye ukuhanjiswa kwedatha ye-High-speed kunye nesantya sokudluliselwa kwe-10 Mbps kunokufezekiswa.

· RS232

Ujongano lwe-RS232 lujongano oluqhelekileyo lonxibelelwano olulandelelanayo phakathi kwezixhobo, ikakhulu ezisetyenziselwa ukudibanisa izixhobo zetheminali yedatha (DTE) kunye nezixhobo zonxibelelwano lwedatha (DCE) ukuqonda unxibelelwano, kwaye yaziwa ngokulula kwayo kunye nokuhambelana okubanzi. Nangona kunjalo, umgama omkhulu wothumelo malunga neemitha ezili-15, kwaye izinga lokudlulisela liphantsi. Iqondo eliphezulu lothumelo lidla ngokuba yi-20Kbps.

Ngokubanzi, i-RS485, i-RS422 kunye ne-RS232 yonke imigangatho yonxibelelwano lwe-serial yonxibelelwano, kodwa iimpawu zabo kunye neemeko zesicelo zahlukile. Ngamafutshane, i-interface ye-RS232 ifanelekile kwizicelo ezingadingi ukuhanjiswa kwedatha ngokukhawuleza kumgama omde, kwaye ihambelana kakuhle kunye nezixhobo ezindala kunye neenkqubo. Xa kuyimfuneko ukuhambisa idatha kumacala omabini ngexesha elifanayo kwaye inani lezixhobo ezixhunyiwe lingaphantsi kwe-10, i-RS422 ingaba yinto engcono kakhulu. Ukuba ngaphezu kwezixhobo ze-10 kufuneka ziqhagamshelwe okanye isantya sothumelo olukhawulezayo luyafuneka, i-RS485 inokuba yinto efanelekileyo.

· GPIO

I-GPIO yiseti yezikhonkwane, ezinokuthi ziqwalaselwe kwimo yegalelo okanye imo yokuphuma. Xa i-GPIO pin ikwimowudi yokufaka, inokufumana izibonakaliso ezivela kwi-sensors (ezifana neqondo lokushisa, umswakama, ukukhanya, njl.), kwaye uguqule le miqondiso kwimiqondiso yedijithali yokulungiswa kwethebhulethi. Xa i-GPIO pin ikwimo yokuphuma, inokuthumela izibonakaliso zokulawula kwii-actuators (ezifana neenjini kunye nezibane ze-LED) ukufezekisa ulawulo oluchanekileyo. Ujongano lweGPIO lunokusetyenziswa njengojongano lomzimba wezinye iiprothokholi zonxibelelwano (ezifana ne-I2C, SPI, njl.), kunye nemisebenzi yonxibelelwano entsonkothileyo inokufezekiswa ngeesekethe ezandisiweyo.

I-3Rtablet, njengomboneleli onamava eminyaka eli-18 ekwenzeni kunye nokwenza ngokwezifiso iitafile ezixhonywe kwisithuthi, iye yamkelwa ngamahlakani ehlabathi ngeenkonzo zayo ezipheleleyo ezilungiselelweyo kunye nenkxaso yobugcisa. Nokuba isetyenziswa kwezolimo, imigodi, ulawulo lwezithuthi okanye iforklift, iimveliso zethu zibonisa ukusebenza kakuhle, ukuguquguquka kunye nokuqina. Olu nxibelelwano lolwandiso lukhankanywe ngasentla (CANBus, RS232, etc.) luyakwazi ukwenzeka kwiimveliso zethu. Ukuba uceba ukwandisa ukuhamba komsebenzi wakho kunye nokuphucula imveliso ngamandla ethebhulethi, ungalibazisi ukuqhagamshelana nathi ukuze ufunde ngakumbi malunga nemveliso kunye nesisombululo!