CN201573608U - Integrated control system of vehicle-mounted controller LAN (Local Area Network)/LIN (Local Internet Network) - Google Patents

Integrated control system of vehicle-mounted controller LAN (Local Area Network)/LIN (Local Internet Network) Download PDF

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Publication number
CN201573608U
CN201573608U CN2009202468985U CN200920246898U CN201573608U CN 201573608 U CN201573608 U CN 201573608U CN 2009202468985 U CN2009202468985 U CN 2009202468985U CN 200920246898 U CN200920246898 U CN 200920246898U CN 201573608 U CN201573608 U CN 201573608U
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CN
China
Prior art keywords
controller
segment
integrated control
local area
area network
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CN2009202468985U
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Chinese (zh)
Inventor
姬广斌
黄勇
张殿明
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北京汽车研究总院有限公司
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Priority to CN2009202468985U priority Critical patent/CN201573608U/en
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Publication of CN201573608U publication Critical patent/CN201573608U/en

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Abstract

The utility model provides an integrated control system of vehicle-mounted controller LAN (Local Area Network)/LIN (Local Internet Network), which comprises a chassis CAN segment, a vehicle body CAN segment, a diagnosis CAN segment, an LIN segment and a CAN/CAN gateway, wherein one end of the chassis CAN segment is connected with the CAN/CAN gateway; one end of the vehicle body CAN segment is connected with the CAN/CAN gateway and the vehicle body CAN segment is connected with a vehicle body controller; one end of the LIN segment is connected with the vehicle body controller; one end of the diagnosis CAN segment is connected with the CAN/CAN gateway, and the other end thereof is connected with a diagnose interface; and by adopting the mode of combining the multiple network segments and the CAN/LIN, the communication requirements of a whole vehicle are met, the cooperative work of electric control units of the whole vehicle is realized and the safety of the whole vehicle and the reliability of a communication system are improved.

Description

The integrated control system of Vehicle Controller local area network/local internet network

Technical field

The utility model belongs to digital information transmission technical field, relate in particular to a kind of Vehicle Controller local area network (Controller Area Network that is applied to manned vehicle, CAN)/local internet (LocalInterconnect Network, LIN) integrated control system of network.

Background technology

Along with the development of computing machine, electronics, mechanics of communication and customer to the safety of automobile, the demand of traveling comfort, automobile electrically-controlled device is more and more, as electronic fuel injection, braking anti-lock, automatic transmission with hydraulic torque converter, safety air bag, active suspension, power window etc., information transmission between them is also more and more frequent, and traditional point-to-point mode has been difficult to satisfy the demand of car load control.

At present, the development of automotive electronic technology makes that the wire harness of orthodox car is more and more, thereby causes the wire harness difficult arrangement, causes the reliability of control system to reduce.

The utility model content

In order to address the above problem, the purpose of this utility model provides the integrated control system of a kind of Vehicle Controller local area network/local internet network, makes the collaborative work of car load ECU (Electrical Control Unit) to improve the safety of car load and the reliability of communication system.

In order to achieve the above object, the utility model provides the integrated control system of a kind of Vehicle Controller local area network/local internet network, comprise: chassis controller LAN segment, car body controller LAN segment, diagnosing controller LAN segment, the local internet network segment and controller local area network/controller local area network gateway, wherein

One end of described chassis controller LAN segment is connected with described controller local area network/controller local area network gateway;

One end of described car body controller LAN segment is connected with described controller local area network/controller local area network gateway, and described car body controller LAN segment is connected with car body controller; One end of the described local internet network segment is connected with described car body controller;

One end of described diagnosing controller LAN segment is connected with described controller local area network/controller local area network gateway, and the other end of described diagnosing controller LAN segment is connected with diagnosis interface.

Preferably, described integrated control system also comprises: respectively with described chassis controller LAN segment bonded assembly engine management system, engine theftproof system, electric stabilizing system, steering angle sensor, change speed gear box control unit, supplementary security system and headlight follow-up steering system.

Preferably, the communication speed of described chassis controller LAN segment is 500 kilobytes per seconds.

Preferably, described integrated control system also comprises: respectively with described car body controller LAN segment bonded assembly system for detecting tire pressure, automatic air-conditioning system, automatic seat, sound system, phone and navigationsystem.

Preferably, the communication speed of described car body controller LAN segment is 125 kilobytes per seconds.

Preferably, described integrated control system also comprises: respectively with described local internet network segment bonded assembly anti-pinch motor, electronic steering column lock and Reverse Sensor.

Preferably, the communication speed of described diagnosing controller LAN segment is 500 kilobytes per seconds.

As shown from the above technical solution, adopt vehicle-mounted CAN/integrated control technology of LIN network in the present embodiment, the car load ECU (Electrical Control Unit) is set up networking, build car load ECU (Electrical Control Unit) communication network, realize data sharing, finish complicated Based Intelligent Control, thereby reduced the application of sensor and car load wire harness.Owing to changed traditional point-to-point mode, make the collaborative work of car load ECU (Electrical Control Unit), improved safety, traveling comfort and the reliability of car load.

Description of drawings

Fig. 1 is the vehicle-mounted CAN/LIN topology of networks figure in the utility model.

The specific embodiment

In the present embodiment, by adopting the implementation of multisegment, CAN/LIN combination, to satisfy the communication need of car load, the integrated control system of vehicle-mounted CAN/LIN network comprises: the chassis CAN network segment, the vehicle body CAN network segment, the diagnosis CAN network segment and the LIN network segment, each network segment of car load constitutes the ECU (Electrical Control Unit) communication network of car load by independently gateway connection.

For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer,, the utility model embodiment is done explanation in further detail below in conjunction with embodiment and accompanying drawing.At this, illustrative examples of the present utility model and explanation are used to explain the utility model, but not as to qualification of the present utility model.

Referring to Fig. 1, be the vehicle-mounted CAN in the utility model/LIN topology of networks figure, by among the figure as can be known, the integrated control system of this vehicle-mounted CAN/LIN network comprises: the chassis CAN network segment 11, the vehicle body CAN network segment 12, the diagnosis CAN network segment 13, the LIN network segment 14 and CAN/CAN gateway 15, wherein

One end of this chassis CAN network segment 11 is connected with CAN/CAN gateway 15, and the transmission medium of this chassis CAN network segment 11 can be selected twisted-pair feeder for use, owing to can adopt the twisted-pair feeder of shielding or non-shielding, the information of transmission is represented by the differential voltage of two leads.This mode has greatly reduced the influence of outside electromagnetic interference.

The communication speed of this chassis CAN network segment 11 is 500Kbps (a kilobytes per second), the application layer message adopts 11 ID, each node of network is followed international standard ISO11898-2, in the present embodiment, this chassis CAN network segment 11 is connected with node of network such as engine management system, engine theftproof system, electric stabilizing system, steering angle sensor, change speed gear box control unit, supplementary security system and headlight follow-up steering system, simultaneously, this chassis CAN network segment 11 can be according to car load configuration the carrying out increase and decrease and the configuration of node of network.

One end of this vehicle body CAN network segment 12 is connected with this CAN/CAN gateway 15, and the vehicle body CAN network segment 12 is connected with car body controller 16; The transmission medium of this vehicle body CAN network segment 12 can be selected twisted-pair feeder for use, owing to can adopt the twisted-pair feeder of shielding or non-shielding, the information of transmission is represented by the differential voltage of two leads.This mode has greatly reduced the influence of outside electromagnetic interference.

The communication speed of this vehicle body CAN network segment 12 is 125Kbps, the application layer message adopts 11 ID, each node of network does not adopt low speed capacity C AN standard, but follow international standard ISO11898-5, this vehicle body CAN network segment 12 is connected with node of network such as instrument module, system for detecting tire pressure, automatic air-conditioning system, automatic seat, sound system, phone and navigationsystem, simultaneously, this vehicle body CAN network segment 12 can be according to car load configuration the carrying out increase and decrease and the configuration of node of network.

One end of this LIN network segment 14 is connected with this car body controller 16, in the present embodiment, this LIN network segment 14 is connected with node of network such as anti-pinch motor, electronic steering column lock and Reverse Sensor, and this LIN network segment 14 can be according to car load configuration the carrying out increase and decrease and the configuration of node of network simultaneously.

One end of this diagnosis CAN network segment 13 is connected with CAN/CAN gateway 15, and the other end of this diagnosis CAN network segment 13 is connected with diagnosis interface 17.The transmission medium of this diagnosis CAN network segment 13 is a twisted-pair feeder, is connected with diagnosis interface, owing to can adopt the twisted-pair feeder of shielding or non-shielding, the information of transmission is represented by the differential voltage of two leads.This mode has greatly reduced the influence of outside electromagnetic interference.

The communication speed of this diagnosis CAN network segment 13 is 500Kbps, and can adopt the unified diagnostic mode of car load of UDS on CAN (based on the diagnostic servicing of CAN bus).Also can adopt advanced more diagnostic mode in the present embodiment, be convenient to diagnotic enforcement and maintenance, reduce diagnostic fees usefulness.

The utility model adopts the implementation of multisegment, CAN/LIN combination, with communication need, configuration needs and the cost demand that satisfies car load.The integrated control system of vehicle-mounted CAN/LIN network comprises: four network segments such as the chassis CAN network segment, the vehicle body CAN network segment, the diagnosis CAN network segment, the LIN network segment are formed, and each network segment of car load links to each other by freestanding gateway.Because the CAN/LIN combination, the network cost performance is higher; And adopt freestanding gateway, and be convenient to the hardware and software platform of network, be convenient to the configuration and the upgrading of network, be convenient to the applicability of supplier module; The chassis CAN network segment adopts the high-speed CAN network of 500Kbps, satisfies the real-time requirement of chassis control system communication; The vehicle body CAN network segment adopts the high-speed CAN network segment of 125Kbps, rather than adopts the fault-tolerant CAN of low speed, has promptly reduced network cost, has improved the speed of the vehicle body network segment again, satisfies the body control system that the level of electronic IT constantly promotes, and is convenient to the vehicle body node and expands; And adopt the independent diagnosis CAN network segment, car load diagnosis unification for the diagnostic mode based on CAN, is convenient to the processing of diagnostic message, improve diagnotic safety, can reduce car load diagnostic fees usefulness after sale; Each node of network can be monitored native system and car load running state in real time, and failure message is uploaded to the on-vehicle information center during by network implementation and handles and show, in time informs chaufeur, has improved the safety of vehicle '.

The utility model has reduced the quantity of car load wire harness, can less take interior space, and is also more simple for wire harness layout and maintenance.And realized communication between each parts, and adopt the management of networking, guaranteed the correctness and the reliability of communication.

The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (7)

1. the integrated control system of Vehicle Controller local area network/local internet network, it is characterized in that, comprise: chassis controller LAN segment, car body controller LAN segment, diagnosing controller LAN segment, the local internet network segment and controller local area network/controller local area network gateway, wherein
One end of described chassis controller LAN segment is connected with described controller local area network/controller local area network gateway;
One end of described car body controller LAN segment is connected with described controller local area network/controller local area network gateway, and described car body controller LAN segment is connected with car body controller; One end of the described local internet network segment is connected with described car body controller;
One end of described diagnosing controller LAN segment is connected with described controller local area network/controller local area network gateway, and the other end of described diagnosing controller LAN segment is connected with diagnosis interface.
2. integrated control system according to claim 1, it is characterized in that described integrated control system also comprises: respectively with described chassis controller LAN segment bonded assembly engine management system, engine theftproof system, electric stabilizing system, steering angle sensor, change speed gear box control unit, supplementary security system and headlight follow-up steering system.
3. integrated control system according to claim 2 is characterized in that, the communication speed of described chassis controller LAN segment is 500 kilobytes per seconds.
4. integrated control system according to claim 1, it is characterized in that described integrated control system also comprises: respectively with described car body controller LAN segment bonded assembly system for detecting tire pressure, automatic air-conditioning system, automatic seat, sound system, phone and navigationsystem.
5. integrated control system according to claim 4 is characterized in that, the communication speed of described car body controller LAN segment is 125 kilobytes per seconds.
6. integrated control system according to claim 1 is characterized in that, described integrated control system also comprises: respectively with described local internet network segment bonded assembly anti-pinch motor, electronic steering column lock and Reverse Sensor.
7. integrated control system according to claim 1 is characterized in that, the communication speed of described diagnosing controller LAN segment is 500 kilobytes per seconds.
CN2009202468985U 2009-11-18 2009-11-18 Integrated control system of vehicle-mounted controller LAN (Local Area Network)/LIN (Local Internet Network) CN201573608U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102761626A (en) * 2011-04-29 2012-10-31 比亚迪股份有限公司 Addressing and upgrading method for vehicle-mounted network node
CN103093792A (en) * 2012-12-29 2013-05-08 北京兴科迪科技有限公司 Intelligent acoustic system based on controller area network (CAN) bus communication
CN103158648A (en) * 2011-12-19 2013-06-19 北汽福田汽车股份有限公司 Vehicle-mounted local area network (LAN) structure for car and car with the same
CN104836687A (en) * 2015-05-12 2015-08-12 重庆长安汽车股份有限公司 Automobile communication network topology
CN104852947A (en) * 2014-03-18 2015-08-19 北汽福田汽车股份有限公司 CAN network topology structure of vehicle and vehicle using same
CN106254177A (en) * 2016-07-29 2016-12-21 浙江吉利控股集团有限公司 A kind of diagnosis method for routing based on standalone gateway and system
CN106487688A (en) * 2015-08-28 2017-03-08 惠州市德赛西威汽车电子股份有限公司 A kind of vehicle-mounted multichannel method for routing and system
CN106627444A (en) * 2015-11-02 2017-05-10 丹阳兴隆车辆部件有限公司 Commercial vehicle vehicle-mounted electronic network system
CN107472169A (en) * 2017-07-31 2017-12-15 北京新能源汽车股份有限公司 The control system and automobile of electric automobile

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102761626A (en) * 2011-04-29 2012-10-31 比亚迪股份有限公司 Addressing and upgrading method for vehicle-mounted network node
CN102761626B (en) * 2011-04-29 2016-03-30 比亚迪股份有限公司 A kind of In-vehicle networking node address and upgrade method
CN103158648A (en) * 2011-12-19 2013-06-19 北汽福田汽车股份有限公司 Vehicle-mounted local area network (LAN) structure for car and car with the same
CN103093792A (en) * 2012-12-29 2013-05-08 北京兴科迪科技有限公司 Intelligent acoustic system based on controller area network (CAN) bus communication
CN103093792B (en) * 2012-12-29 2016-04-27 北京兴科迪科技有限公司 Based on the intelligent sound system of CAN communication
CN104852947A (en) * 2014-03-18 2015-08-19 北汽福田汽车股份有限公司 CAN network topology structure of vehicle and vehicle using same
CN104836687A (en) * 2015-05-12 2015-08-12 重庆长安汽车股份有限公司 Automobile communication network topology
CN104836687B (en) * 2015-05-12 2018-10-23 重庆长安汽车股份有限公司 A kind of automotive communication network topological structure
CN106487688A (en) * 2015-08-28 2017-03-08 惠州市德赛西威汽车电子股份有限公司 A kind of vehicle-mounted multichannel method for routing and system
CN106627444A (en) * 2015-11-02 2017-05-10 丹阳兴隆车辆部件有限公司 Commercial vehicle vehicle-mounted electronic network system
CN106254177A (en) * 2016-07-29 2016-12-21 浙江吉利控股集团有限公司 A kind of diagnosis method for routing based on standalone gateway and system
CN107472169A (en) * 2017-07-31 2017-12-15 北京新能源汽车股份有限公司 The control system and automobile of electric automobile

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