Namhlanje, ishishini leemoto likhula ngokuthe ngcembe phantsi kobunkokeli betekhnoloji eyahlukeneyo yokusika.Ngenkqubela phambili emangalisayo kwiinkqubo zoncedo lwabaqhubi (ADAS), iinkqubo ze-infotainment, kunye nobuchwepheshe bokuqhuba ngokuzimeleyo, imfuno ye-bandwidth kwiimoto zanamhlanje nayo iyanda.Izakhono ezihlala zitshintsha kunye nobuchwepheshe obuvelayo budala iimfuno ezinkulu zedatha, kwaye kunyanzelekile ukusetyenzwa kwedatha ngeendlela ezintsha.Ngaphambili, iimfuno zokusetyenziswa kweemoto zemveli zazilinganiselwe kwiinkqubo zokulawula i-chassis okanye iinkqubo zokulawula umzimba, ezifuna kuphela umthamo wokuhanjiswa kwedatha amawaka eebhithi ngomzuzwana (kbps).Namhlanje, iimoto ezihlakaniphile zixhotyiswe ngenani elikhulu leenzwa, iinkqubo ze-infotainment eziphezulu, kunye neenkqubo zokulawula ukuhamba ngokusekwe kwi-intelligence (AI) kunye nokufunda ngomatshini (ML), kunye ne-LIDAR, i-RADAR, kunye neemodyuli zekhamera zivelisa i-terabytes yedatha. , okubangela ukwanda okukhulu kobunzima.Ke ngoko, kuyafuneka ukonyusa i-Ethernet yeemoto kwisantya esiphezulu, esithembekileyo, kunye ne-ultra-low-latency connectivity.
Iimfuno zobugcisa kwiintambo ze-Ethernet zemoto (ngaphandle kweziqhagamshelo).
Inkcazo ye-OPEN Alliance (TC2 100Mbps, TC9 1000Mbps) ichaza ngokucacileyo iimfuno zeentambo ze-Ethernet zemoto ngaphandle kwezixhumi.I-Open Alliance ichaze iimfuno ezisisiseko kwiintambo ezifunekayo - iiparitha zokusebenza ezifanelekileyo (amaxabiso asekelwe kwiirhafu ezijoliswe kuzo):
I-Impedance Z —> igama elingu-100Ohm kwiindidi ezahlukeneyo zokunyamezela
Ilahleko yokufaka i-IL-i-curve egudileyo> amanqanaba ahlukeneyo omlinganiselo-kuxhomekeke kwi-frequency
Ilahleko yokubuyisa i-RL —> ireyithi yeemfuno ngokuxhomekeke kumaza
Ukulinganisa ukusebenza kwe-LCL1 kunye ne-LCTL2—> iireyithi kunye noyilo lwentambo kuxhomekeke kwiimfuno zeefrikhwensi ezahlukeneyo
Ukudityaniswa kokunciphisa—> kusebenza kuphela kwiintambo ezikhuselweyo
UkuSebenza ngokuKhusela—> kusebenza kuphela kwiintambo ezikhuselweyo
Automotive Ethernet cable intloko ishishini, LEONI China
I-LEONI okwangoku iyinkokeli kwishishini lentambo yeemoto, uninzi lwemigangatho yentambo yangoku isekelwe kwiiprotokholi zayo ezichaziweyo, sele ijoyine i-OPEN, IEEE3 kunye ne-SAE4 kunye neminye imibutho yomanyano, kwaye ibambisene namalungu omanyano ukuphuhlisa i-100Mbit / s kunye 1Gbit/s iintambo ze-Ethernet zemoto.I-LEONI Dacar yinkampani ye-LEONI ye-automotive data cable cable, equka ngokukodwa i-coaxial kunye ne-multi-core data cables, i-LEONI ye-automotive Ethernet cable ngenxa yeemfuno zeempawu zedatha nazo zibandakanyiwe kwi-series ye-Dacar, uchungechunge lwe-LEONI Dacar lubandakanya izicelo ezahlukeneyo zedatha kwimoto, kwi. ikhoyo LEONI Dacar 100 Gigabit kunye neGigabit Ethernet iimveliso ziye zaxhotyiswa kwaye zisetyenziswa kakuhle kwiimodeli ezininzi zehlabathi jikelele German, American, brand ezizimeleyo kunye nezinye OEMs.ULEONI akaphelelanga apho, uLenny uzimisele ukuya ngaphaya kwalo mgangatho.Iintambo ze-LEONI ze-Dacar Ethernet zichaza iimpawu zokuhambisa ezifana neemfuneko zokulahlekelwa kwemowudi kwiintambo ezingakhuselekanga.Idizayini yekhebula ye-sheathed iqinisekisa ukuba i-harness ifakwe kunye nemiphumo emibi encinci phantsi kweemeko ezifana nokuguga, ukungcola kunye nomswakama.Ufakelo lwe-EMC-sensitive, i-LEONI inikezela ngokusetyenziswa kweentambo ze-LEONI Dacar Ethernet ezikhuselekileyo.Ezi ntambo sele ziveliswe ngobuninzi kwaye zisetyenziswa kwiinkqubo zeekhamera zepanoramic.
Imarike ye-EthernetImarike yekamva
Ngenxa yokuba i-Ethernet yaqalwa kwangoko, ukuhanjiswa kolwazi lwexesha lokwenyani akuzange kuthathelwe ingqalelo.Ngenani elikhulu lokuzonwabisa okulalelwayo kunye nevidiyo engena kwi-cockpit, inani le-ECUs kunye nemfuno ye-computing power ye-ECUs ibonise ukukhula okuqhumayo, okucacileyo ngakumbi kwixesha le-ADAS kunye nexesha elizayo lokungaqhubi, kunye nemfuno ye-computing bandwidth. nayo iqalile ukugqabhuka.Oku kubangele ukunyuka okukhulu kweendleko zeenkqubo ze-elektroniki zemoto, kwelinye icala, ukunyuka kwenani kunye nomgangatho weenkqubo ze-ECU, ngenxa ye-computing esasazwayo, inani elikhulu lezixhobo ze-computing zichithwa, kwaye sithetha ngesithuthi. I-Ethernet isebenzisa iperi enye yeentambo ezingakhuselekanga kunye nezincinci ezincinci kunye nezixhumi ezidibeneyo, ukusebenzisa i-pair twisted twisted pair inokuxhasa umgama wokuhanjiswa kwe-15m (kwi-shielded twisted pair inokuxhasa i-40m), le nkqubo yokuphucula yenza i-Ethernet yeemoto inokuhlangabezana neemfuno ze-EMC zesithuthi.Ukunciphisa iindleko zokuxhuma kwiimoto ukuya kuthi ga kwi-80% kunye nobunzima be-wiring emotweni ukuya kuthi ga kwi-30%, i-PHY ye-100M ye-Automotive Ethernet ithatha iteknoloji ye-1G Ethernet ukwenzela ukuba unxibelelwano lweendlela ezimbini kwisibini esisodwa ngokusebenzisa ukucinywa kwe-echo.I-PoE eqhelekileyo yenzelwe i-Ethernet kunye neeperi ze-4 zeentambo, ngoko ke i-PoDL yaphuhliswa ngokukodwa kwi-Ethernet ye-automotive ukubonelela nge-12VDC okanye i-5VDC yombane wokubonelela ngokusebenza okuqhelekileyo kwe-ECU yeyunithi yokulawula i-electronic kwi-pair of cables.Ngokuqinisekileyo, imfuno ye-bandwidth nayo yinto, kwaye i-sensor ezahlukeneyo, ngakumbi i-lidar kunye ne-high-resolution cameras, kufuneka idlulise idatha usebenzisa i-Ethernet.
I-Automotive Ethernet yitekhnoloji yontanga-kwi-peer apho i-node nganye yombane idityaniswe ngokulandelelana.Ukutshintsha kusetyenziswe kwinkqubo enceda ukuseka unxibelelwano phakathi kwee-ECU ezininzi kunye nomzila wendlela ukuya kwezinye iiyunithi ezahlukeneyo kwinethiwekhi.I-IEEE ibeka iteknoloji ngokusemgangathweni nge-100BASE-T1 kunye ne-1000BASE-T1 imigangatho ye-Ethernet ye-automotive-proprietary.Inzuzo ebalulekileyo ye-automotive Ethernet kukuba ineendleko ezingaphezulu kunezinye iiprotocol.Izizukulwana zangaphambili ezifana ne-CAN kuphela zibonelela nge-10Mb / s throughput, ngelixa i-automotive Ethernet inokubonelela ngezinga lonxibelelwano olusisiseko lwe-100Mb / s ukususela ekuqaleni.Xa kuthelekiswa neentambo zentambo eziqhelekileyo, i-Ethernet yemoto isebenzisa i-ultra-lightweight kunye ne-cabling esebenzayo ukugcina indawo, ukunciphisa iindleko, kunye nokunciphisa ubunzima.
Ixesha lokuposa: Jul-17-2023