Kajeno, indasteri ea likoloi e ntse e tsoela pele butle-butle tlas'a boetapele ba mahlale a fapaneng a tsoetseng pele.Ka tsoelopele e kholo lits'ebetsong tse tsoetseng pele tsa lithuso tsa bakhanni (ADAS), lits'ebetso tsa infotainment, le theknoloji ea ho khanna e ikemetseng, tlhoko ea bandwidth likoloing tsa sejoale-joale e ntse e eketseha.Bokhoni bo lulang bo fetoha le mahlale a ntseng a hlaha a theha litlhoko tse kholo tsa data, 'me ho bohlokoa ho sebetsana le data ka mekhoa e mecha.Nakong e fetileng, litlhoko tsa ts'ebeliso ea likoloi tsa setso li ne li lekanyelitsoe ho litsamaiso tsa ho laola mochine kapa tsamaiso ea 'mele, e hlokang feela matla a phetisetso ea data a likete tse likete ka motsotsoana (kbps).Kajeno, likoloi tse bohlale li na le li-sensor tse ngata, lits'ebetso tsa infotainment tsa maemo a holimo, le litsamaiso tsa taolo ea ho tsamaea tse ipapisitseng le bohlale ba maiketsetso (AI) le ho ithuta ka mochini (ML), le li-module tse ngata tsa LIDAR, RADAR, le khamera li hlahisa li-terabyte tsa data. , e leng se bakang keketseho e kholo ea ho rarahana.Ka hona, hoa hlokahala ho phahamisa Ethernet ea likoloi bakeng sa khokahanyo ea lebelo le holimo, e tšepahalang, le ea morao-rao e tlase haholo.
Litlhoko tsa tekheniki bakeng sa likhoele tsa Ethernet tsa koloi (ntle le likhokahanyo).
Litlhaloso tsa OPEN Alliance (TC2 100Mbps, TC9 1000Mbps) li hlalosa ka ho hlaka litlhoko tsa lithapo tsa likoloi tsa Ethernet ntle le lihokelo.OPEN Alliance e hlalositse litlhoko tsa mantlha tsa lithapo tse hlokahalang - li-parameter tsa ts'ebetso tse amehang (litekanyetso tse ipapisitseng le litefiso tse fapaneng tse reriloeng):
Impedance Z -> lebitso la 100Ohm bakeng sa mefuta e fapaneng ea mamello
Tahlehelo ea ho kenya IL-mokokotlo o boreleli> maemo a fapaneng a sekhahla-ho ipapisitse le makhetlo
Khutlisa tahlehelo RL -> litlhoko tsa sekhahla ho latela maqhubu
Ho leka-lekanya ts'ebetso LCL1 le LCTL2—> litefiso le moralo oa likhoele li ipapisitse le litlhoko tsa maqhubu a fapaneng
Coupling attenuation-> e sebetsa feela ho lithapo tse sirelelitsoeng
Tšireletseho ea Tšireletso—> e sebetsa feela lithapong tse sirelelitsoeng
Automotive Ethernet thapo hlooho khoebo, LEONI China
LEONI hajoale ke moetapele indastering ea li-cable tsa likoloi, boholo ba litekanyetso tsa hajoale tsa li-cable li ipapisitse le li-protocol tsa eona tse hlalositsoeng, esale e ikopanya le OPEN, IEEE3 le SAE4 le mekhatlo e meng ea lilekane, 'me e sebelisana le litho tsa selekane ho nts'etsapele 100Mbit/s le Lithapo tsa Ethernet tsa likoloi tsa 1Gbit/s.LEONI Dacar ke mofuta oa LEONI oa data cable cable, eo haholo-holo e kenyelletsang likhoele tsa data tsa coaxial le tse ngata, LEONI automotive Ethernet cable ka lebaka la litlhoko tsa eona tsa data e kenyellelitsoe letotong la Dacar, LEONI Dacar letoto le kenyelletsa lits'ebetso tse fapaneng tsa data ka koloing, Hona joale LEONI Dacar 100 Gigabit le Gigabit Ethernet lihlahisoa li kentsoe le ho sebelisoa hantle mefuteng e mengata ea Jeremane, Amerika, lihlahisoa tse ikemetseng le li-OEM tse ling.LEONI ha e felle moo, Lenny o ikemiseditse ho tlola maemo ao.Lithapo tsa LEONI's Dacar Ethernet li hlalosa litšobotsi tsa phetisetso joalo ka litlhoko tsa tahlehelo ea phetisetso bakeng sa likhoele tse sa sireletsehang.Moralo oa lithapo tsa sheathed o etsa bonnete ba hore marapo a kentsoe ka litlamorao tse fokolang tlasa maemo a kang botsofali, litšila le mongobo.Bakeng sa lisebelisoa tsa EMC-sensitive, LEONI e fana ka tšebeliso ea lithapo tse sirelelitsoeng tsa LEONI Dacar Ethernet.Lithapo tsena li se li entsoe ka bongata 'me li sebelisoa lits'ebetsong tsa lik'hamera tsa panoramic.
Ethernet marketFuture market
Hobane Ethernet e qapiloe kapele haholo, phetisetso ea tlhaiso-leseling ea nako ea nnete ha ea ka ea nkoa.Ka palo e kholo ea boithabiso ba li-audio le video bo kenang ka kamoreng ea li-cockpit, palo ea li-ECU le tlhokahalo ea matla a khomphutha ea ECU li bonts'itse kholo e phatlohang, e totobetseng haholo mehleng ea ADAS le mehla e tlang ea ho se be le mokhanni, le tlhoko ea bandwidth ea komporo. e boetse e qalile ho phatloha.Sena se bakile keketseho e kholo ea litšenyehelo tsa lisebelisoa tsa elektronike tsa likoloi, ka lehlakoreng le leng, keketseho ea palo le boleng ba mekhoa ea ECU, ka lebaka la computing e ajoang, lisebelisoa tse ngata tsa k'homphieutha li senyehile, 'me re bua ka koloi. Ethernet e sebelisa para e le 'ngoe ea likhoele tse sa sirelelitsoeng le likhokahano tse nyane le tse kopaneng ho feta, ho sebelisa para e sothehileng e sa sireletsehang e ka ts'ehetsa sebaka sa phetisetso ea 15m (bakeng sa lipara tse sothehileng tse sirelelitsoeng li ka ts'ehetsa 40m), ts'ebetso ena ea optimization e etsa hore Ethernet ea likoloi e khone ho fihlela litlhoko tsa EMC ea koloi.Ho fokotsa litšenyehelo tsa khokahanyo ea koloi ho fihla ho 80% le boima ba marang-rang ka koloing ho fihla ho 30%, PHY ea 100M Automotive Ethernet e sebelisa theknoloji ea 1G Ethernet ho nolofalletsa puisano ea litsela tse peli ho para e le 'ngoe ka ho sebelisa ho hlakola echo.PoE e tloaelehileng e etselitsoe Ethernet e nang le lipara tse 4 tsa likhoele, kahoo PoDL e ile ea ntlafatsoa ka ho khetheha bakeng sa Ethernet ea likoloi ho fana ka motlakase oa phepelo ea 12VDC kapa 5VDC bakeng sa ts'ebetso e tloaelehileng ea ECU ea yuniti ea taolo ea elektronike para e le 'ngoe ea likhoele.Ha e le hantle, tlhokahalo ea li-bandwidth e boetse e le ntlha, 'me li-sensor tse fapa-fapaneng, haholo-holo lidar le lik'hamera tse phahameng, li tlameha ho fetisetsa data ho sebelisa Ethernet.
Automotive Ethernet ke theknoloji ea lithaka eo ho eona node e 'ngoe le e' ngoe ea motlakase e hokahantsoeng ka tatellano.Sesebelisoa se sebelisoa tsamaisong e thusang ho theha puisano pakeng tsa li-ECU tse ngata le sephethephethe sa litsela ho ea likarolong tse ling tse fapaneng tsa marang-rang.IEEE e tiisa thekenoloji ka litekanyetso tsa 100BASE-T1 le 1000BASE-T1 tsa likoloi-proprietary Ethernet.Monyetla oa bohlokoa oa Ethernet ea likoloi ke hore e na le litšenyehelo tse ngata ho feta liprothokholo tse ling.Meloko e fetileng e kang CAN e fana feela ka 10Mb / s throughput, ha Ethernet ea likoloi e ka fana ka tekanyo ea motheo ea puisano ea 100Mb / s ho tloha qalong.Ha ho bapisoa le lithapo tsa lithapo tsa setso, Ethernet ea likoloi e sebelisa li-ultra-lightweight le tse sebetsang hantle ho boloka sebaka, ho fokotsa litšenyehelo le ho fokotsa ho rarahana.
Nako ea poso: Jul-17-2023