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I-S5-300 Automotive Network CANBUS Level Sensor yakhelwe ukuhlinzeka ngesilinganiso esinembayo nesinokwethenjelwa samazinga oketshezi noma egesi ezindaweni ezifunwayo zezimboni nezezimoto. Emgogodleni wayo, le divayisi yezinzwa ethuthukisiwe isebenzisa iphrothokholi Yenethiwekhi Yendawo Yokulawula (CAN) ukuze idlulisele idatha yokusebenza ebalulekile. Ngokuqhubeka nokulinganisa amazinga oketshezi—njengento epholile noma uphethiloli—inzwa iguqula kahle ukushintshashintsha komzimba kube amasignali edijithali anembe kakhulu. Lawa masignali edijithali abe esesakazwa ngenethiwekhi ye-CAN, eqinisekisa ukudluliswa kwedatha ngokushesha futhi kuncishiswe ingozi yokuwohloka kwesignali evame ukuhlotshaniswa nezinzwa ze-analog zendabuko. Le nqubo yokuguqula idijithali ibalulekile ezinhlelweni zesimanje ezidinga ukufundwa kwezinga loketshezi ngokushesha futhi okunembayo ukuze kugcinwe ukusebenza kahle nokuvimbela ukungasebenzi kwemishini.
Elinye lamanani ayinhloko obunjiniyela ale nzwa yeleveli yesignali ye-CAN Bus amandla ayo okuhlanganiswa okungenamthungo nemoto nemishini yama-Electronic Control Units (ECUs). Kuzilungiselelo zezimboni zezimoto nezomsebenzi osindayo, i-ECU incike ekusakazweni kwedatha okuqhubekayo, okunembile ukuze ilawule ukusebenza kwenjini, ukulawulwa kwezinga lokushisa, kanye nokusebenza kahle kukonke. Iphrothokholi ye-CAN esetshenziswa yile nzwa iqinile ngokwemvelo, yakhelwe ngokuqondile ukuthi isebenze ngokwethembeka ezindaweni ezinomsindo kagesi lapho ukuphazamiseka kozibuthe kagesi (EMI) kungase kuphazamise amasignali ajwayelekile. Ngaphezu kwalokho, le ndlela yokuxhumana yedijithali isekela ukudluliswa kwedatha ebanga elide ngaphandle kokulahlekelwa ukunemba, okwenza kube ukukhetha okuhle kwezimoto ezinkulu zezentengiselwano, imishini eyinkimbinkimbi, nokusetha okubanzi kwezimboni lapho inzwa ingase ibekwe kude neyunithi yokucubungula ephakathi.
Isici esivelele senzwa ye-S5-300 ukucushwa kwayo kokukhishwa okukabili. Ngokungafani nezinzwa ezijwayelekile ezinikeza indlela eyodwa kuphela yokuxhumana, le divayisi ihlanganisa kokubili okukhiphayo okudijithali kwe-CANBUS kanye nokuphumayo okujwayelekile kokumelana phakathi kweyunithi eyodwa. Lesi sakhiwo esinamasignali amabili sinikeza ukusebenza okuthuthukisiwe okukhethekile kubaklami besistimu nonjiniyela bokuthenga. Okukhiphayo kokumelana kuvumela ukusebenzisana okuqondile namageji edeshibhodi e-analog avamile kanye nezinhlelo zokuqapha ifa, kuyilapho okukhiphayo kwe-CANBUS kanyekanye kuphakela idatha yedijithali enembile kuma-ECU esimanje namanethiwekhi okuxilonga athuthukile. Lo mklamo wemiphumela ekabili awugcini nje ngokuvala igebe phakathi kobuchwepheshe obudala nobusha kodwa futhi unikeza ukunganaki kwesistimu ebalulekile. Uma indlela eyodwa yokuqapha ihlangabezana nenkinga, okukhiphayo kwesibili kuqinisekisa ukuthi idatha yeleveli ebalulekile yoketshezi ihlala ifinyeleleka, kunciphisa kakhulu ingcuphe yokwehluleka kwesistimu nokuthuthukisa ukuphepha kukonke kwemishini.
Idizayinelwe kucatshangwa ngokwethembeka kwezimoto, lezi zinzwa zivame ukusetshenziselwa ukuqapha uketshezi lwesikhathi sangempela ezinhlelweni zezimoto. Asebenza kahle kakhulu ekulandeleleni amazinga kaphethiloli emoto kanye namavolumu okupholisa. Ukugcina izinga elifanele lokupholisa kubalulekile ekuvimbeleni ukushisa kwenjini nokuqinisekisa ukuzinza kwemishini yesikhathi eside. Ngokuhlinzeka ngedatha ebalulekile, yesikhathi sangempela ngokuqondile kumasistimu okulawula imoto, inzwa ye-S5-300 inika amandla ukugcinwa okusebenzayo nezixwayiso ezisheshayo ezimweni eziphansi zoketshezi. Kungakhathaliseki ukuthi isetshenziselwa amaloli amakhulu okuthengisa, izinto zokwakha, noma imishini ekhethekile yezimboni, le nzwa iletha ukusebenza okungaguquki okudingekayo ukuze kuvikelwe izingxenye zenjini ezibalulekile. Emaqenjini okuthenga, ukukhetha inzwa enaleli zinga lokuzivumelanisa nezimo nokuthembeka kusiza ukuhlela inqubo yokuthenga futhi kuqinisekise ukuhambisana kulo lonke ububanzi bezidingo zephrojekthi.
Ukuhlanganisa inzwa yeleveli ye-S5-300 ne-Controller Area Network (CAN) kunikeza izinzuzo ezibalulekile zokusebenza nezohwebo kumaphrojekthi wobunjiniyela besimanje. Ngokudlulela ngale kokusetha kwe-analog evamile, le nzwa yeleveli yesignali ye-CAN Bus inikeza indlela ehlakaniphile, eqinile ekulawuleni uketshezi. Idizayinelwe ngokukhethekile ukusiza amaqembu okuthenga nonjiniyela besistimu ukuthuthukisa izakhiwo zabo zenethiwekhi, ukunciphisa ukufakwa okungaphezulu, nokuqinisekisa ukuzinza kwesikhathi eside ezimeni zokusebenza ezinzima. Ukuhlanganiswa kwezinqubo zokuxhumana ezithuthukisiwe kuhumusha ngqo ekongeni kwezindleko ezilinganisekayo kanye nokwethenjwa kwesistimu okuthuthukisiwe.
Enye yezinzuzo ezisheshayo zokwamukela le nzwa yezinga le-CAN Bus ukuncipha okukhulu kobunzima bezintambo. Kumasistimu avamile wephoyinti-kuya-iphuzu, inzwa ngayinye idinga izintambo ezizinikele ezibuyela kusilawuli esimaphakathi, okuholela kumahhanisi amakhebula asindayo, amakhulu, nabizayo. Ngokusebenzisa uxhumo olusekelwe kunethiwekhi, izinzwa eziningi namadivayisi angahlanganiswa ngomugqa webhasi owabelwe owodwa. Le ndlela yokuqondisa inciphisa ngokuphawulekayo izindleko zempahla ehambisana nokuxhunywa kwamakhebula futhi inciphisa isikhathi sabasebenzi esidingekayo ukuze kufakwe nomzila.
Ngaphezu kwalokho, lesi sakhiwo senethiwekhi esenziwe lula sithuthukisa kakhulu ukuqina okuphelele kwesistimu. Imvelo yokwahlukaniswa kwe-topology yebhasi iqinisekisa ukuthi ukwehluleka kwephuzu elilodwa—okufana negatsha lezintambo ezilimele noma inkinga yenzwa yendawo—ayifaki engozini yonke inethiwekhi yokuxhumana. Amanye ama-node ahlanganisiwe angaqhubeka nokudlulisa nokwamukela idatha ngaphandle kokuphazamiseka. Lokhu kubekezelela amaphutha okungokwemvelo kunciphisa isikhathi sokuphumula sesistimu yonke, kwenza ukuxazulula izinkinga zokuxilonga kuqonde kakhudlwana emaqenjini okunakekela, futhi ekugcineni kwehlisa izindleko zokusebenza zesikhathi eside.
Ngokungafani nokucushwa kwe-master-slave okuvamile lapho izinzwa kufanele zilinde ukuvotelwa yisilawuli esimaphakathi ngaphambi kokudlulisa idatha, iphrothokholi ye-CAN Bus ifaka Ikhono Eliyingcweti Eliningi elisebenza kahle kakhulu. Lokhu kusho ukuthi noma iyiphi i-node kunethiwekhi, okuhlanganisa inzwa yeleveli yokupholisa i-S5-300, inokufinyelela okulinganayo ebhasini futhi ingaqalisa ukuxhumana ngokuzimela lapho izenzakalo ezithile zezinga loketshezi zenzeka noma imingcele ifinyelelwa.
Le ndlela yokuxhumana ehlukaniselwe izindawo inciphisa kakhulu ukubambezeleka kokudluliswa kwedatha futhi ivimbela ukuvinjwa kwenethiwekhi. Konjiniyela abaklama izindawo ze-elekthronikhi eziyinkimbinkimbi, leli khono liqinisekisa ukuthi izibuyekezo ezibucayi zezinga lokupholisa zisakazwa ngesikhathi sangempela, okuvumela iyunithi yokulawula eyinhloko ukuthi sisabele ngokushesha ekuswelekeni koketshezi okungaba khona noma okudidayo ekusebenzeni. Umphumela uyisakhiwo senethiwekhi esisabela kakhulu, esisebenza kahle esikhulisa ukusebenza nokuphepha kwalo lonke uhlelo lokulawula.
Lezi zinzuzo ezihlukile zezakhiwo nezokusebenza zenza inzwa yeleveli yesignali ye-CAN Bus ibe yisixazululo esifanelekile sezinhlelo zokusebenza ezidinga ukwethembeka okungayekethisi kanye nokuqapha kwesikhathi sangempela. Ezinhlelweni zezimoto, ikakhulukazi ezimotweni zezentengiselwano, amaloli athwala kanzima, kanye nemishini engekho emgwaqweni onguthelawayeka, ukuncipha kwesisindo sezintambo kanye nokuqina ngokumelene namaphutha kagesi kubalulekile ekusebenzeni kahle kwemoto nokuphepha.
Ngokufanayo, ku-automation yezimboni nakwezinye izindawo ze-elekthronikhi eziyinkimbinkimbi, ikhono lokugcina ukuxhumana okuzinzile kwe-multi-node kuqinisekisa izinqubo eziqhubekayo zokukhiqiza nokuvikelwa kwemishini. Ngokukhetha le nzwa yokuxhumana ethuthukisiwe, abathengi bangakwazi ukuthola isisombululo sokuqapha uketshezi esinokwenyuka, esingabizi kakhulu, nesinokwethenjelwa esiklanyelwe ukuhlangabezana nezidingo eziqinile zezimboni futhi behlise zonke izindleko zobunikazi.
Amapharamitha wobuchwepheshe alandelayo ahlinzeka ngokucaciswa okunembile ngokomzimba, okubalulekile, kanye nogesi kwenzwa yezinga le-S5-300. Onjiniyela namaqembu okuthenga bangasebenzisa le datha ukuze baqinisekise ukuhambisana kwesistimu. Sicela uqaphele umehluko phakathi kokucaciswa okuzenzakalelayo nezinketho ongazikhetha, ikakhulukazi mayelana nobude be-probe nobude bekhebula, ukuze uqinisekise ukuqondana okunembile nezidingo zephrojekthi yakho.
| imodeli # | I-S5-300 |
| Ubude | I-300mm ukusuka phansi kuya onqenqemeni lweyunithi yekhanda, i-110mm ~ 3000mm ingenziwa ngokwezifiso |
| Okubalulekile | i-stainless steel probe kanye ne-NBR float |
| Okukhiphayo | I-CanBUS, J1939 |
| Isixazululo | 21mm ngokulungiswa (okuzenzakalelayo) |
| Ubukhulu bokuntanta | 35*32 NBR |
| Ukukhweza | I-SAE-5 hole flange |
| Ubude bekhebula | ubude obuzenzakalelayo bungama-460mm ngaphandle kwesixhumi; ubude bungenziwa ngendlela oyifisayo |