CN202872815U - Automobile network topology - Google Patents
Automobile network topology Download PDFInfo
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- CN202872815U CN202872815U CN201220486399.5U CN201220486399U CN202872815U CN 202872815 U CN202872815 U CN 202872815U CN 201220486399 U CN201220486399 U CN 201220486399U CN 202872815 U CN202872815 U CN 202872815U
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Abstract
An automobile network topology comprises a high-speed CAN bus, a diagnostic CAN bus, a medium-speed CAN bus, a low-speed fault-tolerant CAN bus and three LIN buses, wherein the high-speed CAN bus, the diagnostic CAN bus, the medium-speed CAN bus and the low-speed fault-tolerant CAN bus are connected with different bus interfaces of an independent gateway respectively; and the low-speed fault-tolerant CAN bus and the three LIN buses are connected through an integrated gateway. The automobile network topology adopts a multi-channel network system, is suitable for situations of a relatively large quantity of network nodes and relatively complicated network management, and can satisfy communication requirements of modern automobiles with relatively large quantity of electronic control systems, and at the same time, the automobile network topology has certain expansibility, and still, can satisfy development demands when the number of ECUs are slightly increased.
Description
Technical field
The utility model relates to the vehicle netbios that a kind of ECU of being applicable to quantity is more and network management is comparatively complicated, belongs to automobile technical field.
Background technology
The most widely used bus of car load has two kinds at present: CAN bus and LIN bus, the CAN bus is divided into again fault-tolerant CAN and non-fault-tolerant CAN, communication speed needs to carry out communication by gateway between the bus of multi-form, speed generally below 500Kbit/s, realizes the car load information sharing.Gateway is divided into again integrated form gateway and free-standing gateway, can select according to the different demands of project.
Existing In-vehicle networking is fairly simple, and network node is less, and with a CAN bus, one/two LIN buses are main, and gateway is integrated among other ECU, and such as BCM/IP, gateway only need be finished the conversion of CAN/LIN agreement, does not possess the ability of CAN/CAN protocol conversion.This In-vehicle networking is applicable to ECU negligible amounts and the relatively simple project of network management.When the ECU quantity of CAN bus or the connection of LIN bus is too many, then can't satisfy communication need.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of automotive networking topological structure is provided, to satisfy the comparatively communication need of complicated Hyundai Motor of the more and network management of ECU quantity.
Problem described in the utility model is realized by following technical scheme:
A kind of automotive networking topological structure, it comprises high-speed CAN bus, diagnosis CAN bus, middling speed CAN bus, the fault-tolerant CAN bus of low speed and three LIN buses, wherein, high-speed CAN bus, diagnosis CAN bus, middling speed CAN bus are connected the CAN bus and are connected with the different bus interface of standalone gateway respectively with low speed; The fault-tolerant CAN bus of low speed and three LIN buses connect by integrated gateway;
Described three LIN buses are respectively a LIN bus, the 2nd LIN bus and the 3rd LIN bus.
Above-mentioned automotive networking topological structure, described integrated gateway is arranged in the car body control module.
Above-mentioned automotive networking topological structure, the node that described high-speed CAN bus connects comprises: engine control module ECM, transmission control unit TCU, Electronic Stability Program (ESP) ESP, intelligent 4 wheel driven TOD, steering wheel angle sensor SAS, air bag module ABM, rearview camera RVC, self-adaptive headlamp system AFS and instrument system IP, 360 ° look around AVM and intelligent forward sight camera IFV.
Above-mentioned automotive networking topological structure, the node that described middling speed CAN bus connects comprises: copilot side door module PDCM, driving side door module DDCM, driving side seat memory module DSM, loud speaker AMP.
Above-mentioned automotive networking topological structure, the node that the fault-tolerant CAN bus of described low speed connects comprises: car body control module BCM, entertainment systems CD, air-conditioning control module AC, enter and start-up system PEPS without key.
Above-mentioned automotive networking topological structure, the node that a LIN bus connects comprises: drive side motorized window module DPWM, passenger side motorized window module PPWM, rear left motorized window module RLPWM, rear right motorized window module RRPWM, center-control switch module CCSM, skylight control unit SunRoof.
Above-mentioned automotive networking topological structure, the node that the 2nd LIN bus connects comprises: right side ballast RBallast, left side ballast LBallast, rear parking assisting system RPAS, power pack Power-box, rainfall light sensor RLS.
Above-mentioned automotive networking topological structure, the node that the 3rd LIN bus connects comprises: front parking assisting system FPAS, electric back door PLG, alarm Siren.
The utility model adopts the multichannel network system, is applicable to comparatively complicated situation of the more and network management of network node quantity, can satisfy the communication need of the more Hyundai Motor of electronic control system.Simultaneously, the utility model also has certain expansibility, still can satisfy development requirement when ECU quantity increases on a small quantity.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is structural representation of the present utility model.
Each label is among the figure: 1, high-speed CAN bus; 2, diagnosis CAN bus; 3, middling speed CAN bus; 4, the fault-tolerant CAN bus of low speed; 5, a LIN bus; 6, the 2nd LIN bus; 7, the 3rd LIN bus; GW, standalone gateway; ECM, engine control module; TCU, transmission control unit; TOD, intelligent 4 wheel driven; ESP, Electronic Stability Program (ESP); SAS, steering wheel angle sensor; ABM, air bag module; AFS, self-adaptive headlamp system; IP, instrument system; RVC, rearview camera; AVM, 360 ° look around; IFV, intelligent forward sight camera; CD, entertainment systems; PEPS, enter and start-up system without key; BCM, car body control module; AC, air-conditioning control module; DDCM, driving side door module; PDCM, copilot side door module; DSM, driving side seat memory module; AMP, loud speaker; SunRoof, skylight control unit (band anti-pinch); RLS, rainfall light sensor; DPWM, driving side motorized window module; PPWM, passenger side motorized window module; RLPWM, rear left motorized window module; RRPWM, rear right motorized window module; CCSM, center-control switch module; Power-Box, power pack; PLG, electric back door; Siren, alarm; RBallast, right side ballast; LBallast, left side ballast; FPAS, front parking assisting system (front radar for backing car); RPAS, rear parking assisting system (rear radar for backing car); ESCL, electronic steering lock; Tester, failure diagnosis socket.
Embodiment
Referring to Fig. 1, this network comprises high-speed CAN bus 1 (500kbit/s), diagnosis CAN bus 2 (500kbit/s), middling speed CAN bus 3 (250kbit/s), the fault-tolerant CAN bus of low speed 4(125 kbit/s) and three LIN buses (19.2 kbit/s).Connect by standalone gateway GW between high-speed CAN bus 1, middling speed CAN bus 3, diagnosis CAN bus 2 and the fault-tolerant CAN bus 4 of low speed, connect by the integrated gateway that is arranged in the car body control module BCM between the fault-tolerant CAN bus 4 of low speed and three LIN buses, realized information sharing by standalone gateway GW, BCM between whole network C AN bus, the LIN bus.The independent diagnosis CAN bus that standalone gateway GW draws can shield the application message between the different segment effectively, has guaranteed the confidentiality of information, has effectively protected the data of car load.High-speed CAN bus 1 has adopted the indirect network management of OSEKNM, middling speed CAN bus 3, the fault-tolerant CAN bus 4 of low speed have adopted the straight-forward network management of OSEKNM, wherein (close the ECU of rear high-speed CAN bus except instrument and all enter sleep by firing key by specific setting for instrument IP, IP keeps waking up, to realize the Presentation Function of instrument) realize cooperating with the network management of high-speed CAN bus 1, middling speed CAN bus 3, diagnosis CAN bus 2 and the fault-tolerant CAN bus 4 of low speed.Three LIN networks of car body control module BCM unified management.
High-speed CAN bus 1 has mainly connect the ECU of engine control module ECM, transmission control unit, transmission control unit TCU, Electronic Stability Program (ESP) ESP, intelligent 4 wheel driven TOD, steering wheel angle sensor SAS, air bag module ABM, rearview camera RVC and self-adaptive headlamp system AFS etc., can realize the information sharing of the system that the requirement of real-times such as power, chassis, safety are higher; The graphical information such as AVM and IFV requires fast information interaction in addition, can assist driving, improves the fail safe of driving.
Middling speed CAN bus 3 has mainly connect copilot side door module PDCM, driving side door module DDCM, has driven the ECU of side seat memory module DSM, loud speaker AMP, realized the functions such as door correlation function and seat memory, loud speaker AMP has mainly realized the Sound control of sound system.
The fault-tolerant CAN bus 4 of low speed mainly connect car body control module BCM, entertainment systems CD, air-conditioning control module AC, entered and start-up system PEPS without key, realized door lock, light, without key enter, the control of air-conditioning and sound equipment.
Driving side motorized window module DPWM, passenger side motorized window module PPWM, rear left motorized window module RLPWM, the rear right motorized window module RRPWM that the one LIN bus 5 connects realized the pinch resistant functionality control of glass-frame riser, skylight control unit Sunroof(is with anti-pinch) realized the anti-pinch control in skylight, center-control switch module CCSM has realized the driving model control function of car load;
The right side ballast RBallast that the 2nd LIN bus 6 connects, the control that left side ballast LBallast has realized xenon lamp, rear parking assisting system RPAS has realized the control of rear radar for backing car, power pack Power-box has realized the control of fuse box of front engine room, and rainfall light sensor RLS has realized the control of automatic wiper and automatic light;
The front parking assisting system FPAS that the 3rd LIN bus 7 connects has realized the control of front radar for backing car, and electric back door PLG has realized the control of electronic tail-gate, and alarm Siren has realized the control of anti-theft loudspeaker.
Car body control module BCM can realize reaching between three LIN the protocol conversion between LIN and the fault-tolerant CAN bus 4 of low speed, standalone gateway GW can realize the protocol conversion between high-speed CAN bus 1, middling speed CAN bus 3, diagnosis CAN bus 2 and the fault-tolerant CAN bus 4 of low speed, car body control module BCM and standalone gateway GW have connect CAN bus, the LIN network of car load, have realized the information sharing of car load.
Claims (8)
1. automotive networking topological structure, it is characterized in that, it comprises high-speed CAN bus (1), diagnosis CAN bus (2), middling speed CAN bus (3), the fault-tolerant CAN bus of low speed (4) and three LIN buses, wherein, high-speed CAN bus (1), diagnosis CAN bus (2), middling speed CAN bus (3) are connected CAN bus (4) and are connected with the different bus interface of standalone gateway (GW) respectively with low speed; The fault-tolerant CAN bus of low speed (4) and three LIN buses connect by integrated gateway; Described three LIN buses are respectively a LIN bus (5), the 2nd LIN bus (6) and the 3rd LIN bus (7).
2. automotive networking topological structure according to claim 1 is characterized in that, described integrated gateway is arranged in the car body control module (BCM).
3. automotive networking topological structure according to claim 1 and 2, it is characterized in that the node that described high-speed CAN bus (1) connects comprises: engine control module (ECM), transmission control unit (TCU), Electronic Stability Program (ESP) (ESP), intelligent 4 wheel driven (TOD), steering wheel angle sensor (SAS), air bag module (ABM), rearview camera (RVC), self-adaptive headlamp system (AFS) and instrument system (IP), 360 ° look around (AVM) and intelligent forward sight camera (IFV).
4. automotive networking topological structure according to claim 3, it is characterized in that the node that described middling speed CAN bus (3) connects comprises: copilot side door module (PDCM), driving side door module (DDCM), driving side seat memory module (DSM), loud speaker (AMP).
5. automotive networking topological structure according to claim 4, it is characterized in that the node that the fault-tolerant CAN bus of described low speed (4) connects comprises: car body control module (BCM), entertainment systems (CD), air-conditioning control module (AC), enter and start-up system (PEPS) without key.
6. automotive networking topological structure according to claim 5, it is characterized in that the node that a LIN bus (5) connects comprises: drive side motorized window module (DPWM), passenger side motorized window module (PPWM), rear left motorized window module (RLPWM), rear right motorized window module (RRPWM), center-control switch module (CCSM) and skylight control unit (SunRoof).
7. automotive networking topological structure according to claim 6, it is characterized in that the node that the 2nd LIN bus (6) connects comprises: right side ballast (RBallast), left side ballast (LBallast), rear parking assisting system (RPAS), power pack (Power-box) and rainfall light sensor (RLS).
8. automotive networking topological structure according to claim 7 is characterized in that, the node that the 3rd LIN bus (7) connects comprises: front parking assisting system (FPAS), electric back door (PLG) and alarm (Siren).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220486399.5U CN202872815U (en) | 2012-09-24 | 2012-09-24 | Automobile network topology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220486399.5U CN202872815U (en) | 2012-09-24 | 2012-09-24 | Automobile network topology |
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| CN202872815U true CN202872815U (en) | 2013-04-10 |
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| CN201220486399.5U Expired - Lifetime CN202872815U (en) | 2012-09-24 | 2012-09-24 | Automobile network topology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248576A (en) * | 2013-05-15 | 2013-08-14 | 西北工业大学 | In-site bus type network topology identification method |
| CN106828139A (en) * | 2016-12-14 | 2017-06-13 | 华晨汽车集团控股有限公司 | Electrical system for pure electric vehicle framework based on CAN and ZigBee heterogeneous networks topology |
| CN109347946A (en) * | 2018-10-15 | 2019-02-15 | 武汉格罗夫氢能汽车有限公司 | A kind of new-energy automobile communication network structure |
| CN109976319A (en) * | 2019-04-30 | 2019-07-05 | 国能新能源汽车有限责任公司 | A kind of vehicle Network Management System framework |
-
2012
- 2012-09-24 CN CN201220486399.5U patent/CN202872815U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248576A (en) * | 2013-05-15 | 2013-08-14 | 西北工业大学 | In-site bus type network topology identification method |
| CN103248576B (en) * | 2013-05-15 | 2015-12-09 | 西北工业大学 | A kind of on-site bus type network topology identification method |
| CN106828139A (en) * | 2016-12-14 | 2017-06-13 | 华晨汽车集团控股有限公司 | Electrical system for pure electric vehicle framework based on CAN and ZigBee heterogeneous networks topology |
| CN109347946A (en) * | 2018-10-15 | 2019-02-15 | 武汉格罗夫氢能汽车有限公司 | A kind of new-energy automobile communication network structure |
| CN109347946B (en) * | 2018-10-15 | 2023-10-27 | 武汉格罗夫氢能汽车有限公司 | Communication network structure for new energy automobile |
| CN109976319A (en) * | 2019-04-30 | 2019-07-05 | 国能新能源汽车有限责任公司 | A kind of vehicle Network Management System framework |
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Granted publication date: 20130410 |
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| CX01 | Expiry of patent term |