Kuki J1939 Urwego rwa lisansi rwabuze kubigaragaza?

Mperutse kuzamura muburyo bugezweho bwa digitale nka Garmin, Murphy, cyangwa Imigaragarire Yumuntu-Imashini (HMI). Urateganya kristu-isobanura moteri ya telemetrie hamwe namakuru asomeka neza. Aho gusoma neza, igipimo cya lisansi cyerekana ikosa, gisoma zeru, cyangwa kiguma ari ubusa. Ibi bintu bitesha umutwe bihagarika ibikorwa ako kanya kandi bigasiga ababikora bahumye amaso kubitoro byabo.

Muri bisi ya SAE J1939 na CAN, kubura lisansi yabuze ni gake ecran yacitse. Burigihe burigihe kunanirwa mubitumanaho byibyuma, protocole idahuye, cyangwa ikosa risa na digitale. Iyerekana rya kijyambere ryerekana ibyateganijwe neza. Niba paki yamakuru yabuze, yangiritse, cyangwa yoherejwe kumuvuduko utari wo, igipimo cyananiwe kugaragara.

Aka gatabo gasenya intandaro yibimenyetso bya peteroli ya J1939 yabuze. Uzamenya uburyo bwo gutandukanya amakosa hagati yinsinga zifatika namakuru ahuza ibice. Byongeye kandi, turerekana ibipimo ngenderwaho byo guhitamo icyuma gisimbuza iburyo cyangwa igereranya-kuri-CAN ihindura. Urashobora gukoresha ubwo bushishozi kugirango ugarure urusobe rwihuse.

Ibyingenzi

• Urwego rwa lisansi J1939 iterekanwa kumurongo mubisanzwe bituruka kubura abarwanya kurangiza, igipimo cya baud kidahuye (250k na 500k), cyangwa kunanirwa gutangaza PGN 65276 (SPN 96).

• Kuzamura moteri ishaje kuri digitale HMI bisaba analogi yihariye-kuri-CAN ihindura niba uwagutumye umwimerere ugumanye.

• Mugihe usuzumye urwego rwohereje rwa SAE J1939, shyira imbere ibice bifite aderesi zishobora kuboneka hamwe na IP67 + igoye kubidukikije.

• Gukemura iki kibazo birinda gahunda gusimbuza bitari ngombwa gusimbuza imikorere yuzuye ya digitale.

Igiciro cyubucuruzi cya J1939 Urwego rwa lisansi Ntirwerekana

Amakamyo aremereye cyane, amato yo mu nyanja, hamwe n’amashanyarazi akomoka mu nganda yishingikiriza cyane ku makuru ya telemetrie. Gukora udafite amakuru yukuri ya lisansi bitera ingaruka zikomeye zo gukora muriyi nzego zose. Uhura na peteroli yibiza ahantu hitaruye nigihe cyo gutungurana mugihe cyibikorwa bikomeye. Moteri ya Diesel yibasirwa cyane ninzara. Gukoresha ikigega kinini cya mazutu yumye rwose bitera sisitemu ikomeye yo gufunga ikirere muri sisitemu yo gutera inshinge. Kuva amaraso yumuriro mwinshi bisaba kwifashisha imashini, guhatira umutungo kumurongo kumasaha.

Abakoresha bakunze gutunga urutoki icyerekezo gihenze cya digitale mugihe ibipimo byananiranye. Baribeshye bashinja ecran ya HMI ihanitse mugihe gutsindwa kwukuri kwihishe imbere muri wiring. Mubihe byinshi, uzasangamo amakosa yoroshye yo gukoresha ibyuma bitera guhagarara. Urusobekerane rwimikorere idahwitse cyangwa pin yangiritse nayo irashobora gutera ecran imwe yubusa. Kunegura ecran biganisha ku gupima isuzumabumenyi no kwiheba bitagira ingano kubakozi bashinzwe kubungabunga.

Gukosora neza gushiraho amakuru ahoraho, atajegajega yamakuru kuri bisi yose. Umuyoboro ugomba kohereza amakuru kubiranga neza nta gutindiganya. Ugomba kubona rwose nta rusobe rugongana kubikoresho byawe byo gusuzuma. Sisitemu igomba gukuraho burundu amakosa ahoraho cyangwa amakosa yigihe. Kubigeraho byerekana ibikorwa byizewe cyane kandi bigarura ikizere kubakoresha mubipimo byabo.

Igice gifatika na Data Ihuza: Gusuzuma Guhagarika

Gusuzuma impamvu ufite a Urwego rwa J1939 kuterekana bisaba kugabanya umuyoboro mo ibice bibiri bitandukanye. Ugomba gusuzuma ibyuma bifata ibyuma bifata ibyuma hamwe na software ya protocole ya digitale ukwayo. Kuvanga izi ntambwe zo gukemura ibibazo bitesha igihe cyo gusuzuma.

Gutandukanya urwego rwumubiri (Wiring and Hardware)

Igice gifatika gitwara amashanyarazi mbisi hagati yabagenzuzi. Niba iyi fondasiyo yananiwe, nta makuru ya digitale agera kumurongo werekana.

• Kurwanya Kurwanya: Imiyoboro ya CAN isaba byimazeyo 120-ohm irwanya kumpande zombi zumugongo nyamukuru. Kubura abarwanya bitera ibimenyetso bikabije byerekana insinga. Uku gutekerezaho gutondagura paki zamakuru hanyuma ugatakaza amakuru ya lisansi rwose. Buri gihe ukoreshe imibare ya digitale kugirango upime guhangana muri CAN Hejuru na CAN Hasi. Igomba gusoma hafi 60 oms iyo sisitemu ikoreshwa hasi.

• Ubunyangamugayo bwa Harness: Kugenzura inzira wiring witonze ukoresheje chassis cyangwa hull. Reba neza kuri CAN Hejuru cyangwa CAN insinga nke hafi ya bulkheads. Ugomba kandi kugenzura ibice nyamukuru bihuza kumutwe wa sensor. Ubutaka bwangiritse butanga amashanyarazi yumuriro. Izi offsets zibuza chip ya transceiver gusoma ibimenyetso bitandukanye.

• Guhuza Ruswa: Reba abahuza kuri okiside yicyatsi. Kwinjira mumazi wacometse byangiza amashanyarazi ya CAN. Sukura amapine neza kandi ushyireho amavuta ya dielectric kugirango wirinde kwiyongera.

Gutandukanya Porotokole (Data na Software)

Niba ibizamini bya wiring byumvikana neza, ikibazo mubisanzwe cyihishe murwego rwamakuru. Porogaramu idahwitse ya software irasanzwe bidasanzwe mugihe cyo kuzamura ibikoresho bya nyuma.

• Baud Igipimo kidahuye: Umuyoboro ugomba kuvuga ku muvuduko umwe. Niba umuyoboro wawe wa moteri nyamukuru ikora kuri 500 kbps, ariko sensor yogusimbuza isakaza 250 kbps, itumanaho rirananirwa ako kanya. Iyerekana ntishobora gusesengura buhoro buhoro paki. Uzabona ecran yubusa cyangwa amakosa akomeye yo gutumanaho igihe cyashize.

• Kugenzura PGN na SPN: Kugaragaza inganda zisanzwe zerekana Dash Yerekana lisansi ni Parameter Group Numero (PGN) 65276. Ubu butumwa bwihariye bukoresha numero ya Suspect Parameter (SPN) 96. Ukeneye igikoresho cyabugenewe cyo gusesengura CAN kugirango ubigenzure. Shyira mu cyambu cyo gusuzuma hanyuma urebe traffic traffic. Niba PGN 65276 yabuze, sensor ntabwo yohereza.

• Akayunguruzo ka FMS: Porogaramu ya Fleet akenshi ikoresha module ya Fleet Management Standard (FMS). Irembo ritandukanya neza bisi ya moteri ikomeye na bisi itanga amakuru. Menya neza ko irembo ridashungura cyane urwego rwa lisansi PGN mbere yuko igera ku cyerekezo cyerekana.

Ikibazo cya Retrofit: Guhuza Abagereranya Abohereza kuri Digital Yerekana

Moteri ya mazutu ishaje yishingikiriza ku buhanga bworoshye, bumaze imyaka mirongo bupima lisansi. Mubisanzwe bakoresha ibigereranyo byoherejwe byubatswe byubatswe hafi ya mashini ireremba. Abohereje basohora ibintu biboneka bihindagurika biringaniye nkibisanzwe byabanyamerika 240-33 ohm cyangwa uburayi busanzwe 0-190. Ibigezweho bya J1939 byerekana gusa gusobanukirwa paki zigezweho. Ntibashobora gusoma iyi mashanyarazi mbisi itaziguye, ikora ibyuma byibanze bidahuye.

Icyiciro cyo gukemura: Analog-to-CAN Abahindura

Ntushobora kwifuza kuvoma ikigega kinini cyinganda ako kanya. Urashobora guhitamo gusiga ibigereranyo bihari byuzuye muburyo bwuzuye. Irembo-kuri-J1939 amarembo arashobora kubara ibimenyetso bihari. Iyi ntoya, inline module ikora nkumusemuzi wubwenge hagati yohereje kera hamwe nuburyo bushya bwa digitale. Irasoma ibiturwanya ikabihindura mubikoresho byemewe bya CAN.

Ariko, ugomba kwitonda cyane mugihe cyamasoko. Irinde abahindura bihendutse, badafite ibicuruzwa biva mumasoko rusange yo kumurongo. Bakunze kwerekana adresse yinkomoko adashobora guhinduka. Izi aderesi zikemura ibibazo bikunze kuvuguruzanya hamwe na moteri ishinzwe kugenzura moteri (ECUs) cyangwa kugenzura imiyoboro. Ukemura amakimbirane biganisha kumurongo uhita, gukomanga sisitemu zikomeye kumurongo.

Icyiciro cyo gukemura: Gusimbuza Digital

Uburyo bwiza kandi bwizewe bwa retrofit burimo gusimbuza ibyuma byuzuye. Ukuraho burundu igice gishaje, gikora imashini irwanya tank. Noneho ushyireho kavukire, ikomeye-leta URASHOBORA lisansi ya bisi . Iri vugurura rikuraho burundu agasanduku kahinduye agasanduku. Igice gishya gikwirakwiza paki yububiko bwa digitale kumurongo wingenzi. Mugihe bisaba tanki yumubiri kugirango ushyireho, itezimbere cyane muri rusange imiyoboro yizewe hamwe namakuru neza.

Gusuzuma Gusimbuza SAE J1939 Tank Urwego rwohereje

Mugihe kwisuzumisha ryerekana sensor yapfuye burundu, ugomba guhitamo igice gisimbuza witonze. Ntabwo ari byose SAE J1939 urwego rwohereje ikora neza kimwe mubidukikije bikaze.

Ikoranabuhanga ryo gupima

Abaguzi mubisanzwe bahitamo hagati yuburyo bugezweho bwa capacitive nuburyo bwa gakondo bwurubingo. Ibyuma bifata ibyuma bitanga imbaraga zihoraho, zisomeka cyane mugupima impinduka ya dielectric ya fluid ubwayo. Uku gutunganya software imbere bikuraho ingaruka zintambwe ubona ko kugabanuka kwa peteroli mugihe cyo gutambuka bikabije. Bararenze kure kubisobanuro bihanitse CAN ihuza bisi. Guhindura urubingo byishingikiriza kuri magnetiki yumubiri ireremba hejuru yumuzunguruko. Gusa bavugurura gusoma mugihe ikireremba kinyuze mumwanya wihariye wa magneti.

Guhindura Iboneza (Ibyingenzi kubyemezo bya BOF)

Ukeneye iboneza ntarengwa mugihe uhuza ibyuma bishya mubidukikije bihari. Aderesi isaba ni ngombwa kubikorwa bikwiye, bidafite amakosa. Ibaze ibibazo bike byingenzi mbere yo kugura. Urashobora guhindura byoroshye adresse ya sensor ukoresheje igikoresho gisanzwe? Urashobora guhinduranya umwirondoro wimbere kumiterere ya tank idasanzwe cyangwa idasanzwe? Ibigega bya V-hull n'ibigega byintambwe bikenera cyane bisaba ikarita ya volumetric. Niba sensor idafite ubushobozi bwo gutangiza gahunda, irashobora kumenyesha igice cyuzuye cyuzuye nabi kubera geometrike idasanzwe.

Kuramba no kubahiriza ibipimo

Gufunga ibidukikije amaherezo byerekana igihe cyo kubaho kwinyanja hamwe ninshingano ziremereye. Reba ibintu byihariye, byanditse byubahiriza SAE J1939. Urashaka kandi ibyemezo bisanzwe bya CE na RoHS kugirango umenye umutekano w'amashanyarazi. Witondere byumwihariko kurwego rwo kurinda Ingress kurupapuro rwihariye. Ukeneye rwose IP67 cyangwa IP68 ikidodo cyibidukikije kugirango urinde umuzenguruko w'imbere. Kwinjira mumazi bikomeje kuba intandaro nyamukuru itera sensor imburagihe mu murima.

Kugereranya Imikorere ya tekinoroji yohereza ibicuruzwa

Gushyira mu bikorwa Ukuri n'Intambwe Zikurikira

Gukurikiza ibintu byumvikana, byubatswe bikiza amasaha atabarika yo gucika intege. Koresha izi ntambwe zukuri zo gusuzuma kugirango ugarure imikorere yawe yerekanwe kuri gahunda.

1. Reba ibinyabiziga bya CAN: Mbere yo kugura ibyuma byose bishya, shyiramo umusomyi wa kode ya J1939 mukibanza nyamukuru cyo gusuzuma. Urashobora kandi gukoresha USB CAN sniffer isanzwe kuri mudasobwa igendanwa. Reba byumwihariko kuri SPN 96 mumibare yamakuru. Niba iri kuri bisi, sensor ikora neza. Iyerekana ryakozwe nabi kandi rikeneye ivugurura rya software. Niba paki yabuze rwose, sensor cyangwa insinga byarananiranye.

2. Kugenzura Urusobekerane rwimikorere: Menya neza ko washyizweho J1939 ya lisansi urwego rwa sensor ihuza rwose umugongo wukuri. Abakora benshi barayinyuza muri bisi yihariye ya kabiri kubwimpanuka. Iri ni ikosa rikunze kugaragara muri marine marine NMEA 2000 na J1939. Iyerekana ntishobora gukuraho icyuho idafite irembo ryabigenewe.

3. Kugenzura Kurwanya Kurwanya: Funga ingufu za bateri zose kuri sisitemu. Reba neza CAN Hejuru na CAN Amapine yo hasi hamwe na multimeter. Menya neza ko ubona 60 oms. Niba ubona 120 oms, wabuze rezistor irangiza kuruhande rumwe rwa bisi. Niba ubona 40 oms cyangwa munsi yayo, ufite rezistor nyinshi zashyizweho.

4. Hitamo urutonde rw'igisubizo: Suzuma neza tank yawe. Niba ikigega gishobora kuboneka byoroshye kuva hejuru, gura kavukire ya J1939 ya capacitive fluid level sensor. Ubu buryo butanga igihe kirekire cyo kwizerwa. Niba ikigega gifunze burundu cyangwa kidashoboka munsi yubutaka buremereye, gura ubuziranenge bwo hejuru, bushobora kugereranywa na-J1939 ibimenyetso bihindura aho.

Umwanzuro

Kugarura amakuru yingenzi ya telemetrie bisaba uburyo bwo kwisuzumisha muburyo bwo gusimbuza igice. Ugomba kugenzura amahuza yumubiri hamwe na protocole iboneza mbere yo gukora ku bikoresho bya tank. Mugihe uhuye nikigereranyo kidahuye, hitamo amarembo meza yo murwego rwo hejuru kugirango urinde ubusugire bwurusobe. Kubasimbuye byuzuye, shyira imbere tekinoroji ya leta ikomeye kugirango yemeze raporo yuzuye. Buri gihe wemeze igipimo cya baud igipimo cya aderesi hamwe ninkomoko yinkomoko mugihe cyanyuma cyo kwishyiriraho. Gukurikiza aya mabwiriza nyayo yemeza ko ibyerekanwe bya digitale bitanga amakuru yukuri, adahagarikwa kubikorwa byigihe kirekire.

Ibibazo

Ikibazo: Niki PGN ikoreshwa murwego rwa lisansi ya J1939?

Igisubizo: Urwego rwa lisansi rusanzwe rusohoka munsi ya Parameter Itsinda Numero (PGN) 65276.Iyi PGN yihariye ihuye numurimo usanzwe wa Dash Display. Muri ubu butumwa bwihariye bwubutumwa, umuyoboro ukoresha nomero ya Suspect Parameter (SPN) 96 kugirango uhagararire lisansi 1 neza.

Ikibazo: Nshobora guhuza ibisa byoherejwe na lisansi muburyo bwa J1939?

Igisubizo: Oya, ntushobora kubahuza muburyo butaziguye. Kijyambere J1939 yerekana gusa ubutumwa bwa CAN ubutumwa. Abagereranya Analog basohora amashanyarazi ahinduka nka 240-33 ohms. Ugomba gushiraho analogi yihariye-kuri-CAN. Ihinduranya risobanura amashanyarazi mbisi muburyo bukwiye.

Ikibazo: Kuki urwego rwa lisansi rugabanuka rimwe na rimwe kuri zeru?

Igisubizo: Ibitonyanga rimwe na rimwe byerekana ibibazo byumubiri aho kuba ibyuma byapfuye rwose. Ugomba kugenzura kubura 120-ohm yo guhagarika abarwanya umugongo wa CAN mbere. Ibikurikira, genzura ibikoresho byingenzi bya CAN Birenze cyangwa CAN Umuyoboro muto. Hanyuma, genzura igitaka gihuza kumutwe wa sensor.

Ikibazo: Nkeneye sensor ya 250k cyangwa 500k ya sensor ya baud?

Igisubizo: Biterwa rwose nimodoka yawe yihariye cyangwa imiyoboro yububiko. Imurage myinshi iremereye cyane J1939 ikora kuri 250 kbps. Nyamara, sisitemu nshya ya elegitoronike akenshi yimuka kumuvuduko wa 500 kbps. Ugomba guhuza igipimo gishya cya sensor ya baud neza neza numuyoboro wawe uhari kugirango wirinde itumanaho ryananiranye.