CN202783013U - Distributed vehicle body control system based on CAN (controller area network) bus - Google Patents
Distributed vehicle body control system based on CAN (controller area network) bus Download PDFInfo
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- CN202783013U CN202783013U CN201220421930.0U CN201220421930U CN202783013U CN 202783013 U CN202783013 U CN 202783013U CN 201220421930 U CN201220421930 U CN 201220421930U CN 202783013 U CN202783013 U CN 202783013U
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Abstract
The utility model discloses a distributed vehicle body control system based on a CAN (controller area network) bus for realizing information sharing of a finished automobile. The distributed vehicle body control system comprises a path of CAN high speed network, a path of CAN low speed network, a path of local area network and a local area network master node, wherein the CAN high speed network comprises a plurality of CAN high speed nodes, and each CAN high speed node is connected with a security system control sub-module; the CAN low speed network comprises a plurality of CAN low speed nodes, and each CAN low speed node is connected with a vehicle body control sub-module; the local area network comprises a plurality of local area network nodes, and each local area network node is connected with a command input control sub-module; and the local area network master node is used for exchanging data among the CAN high speed network, the CAN low speed network and the local area network and is respectively connected with the CAN high speed network, the CAN low speed network and the local area network. By the technical scheme, the information of the finished automobile is exchanged and shared, and the finished automobile circuit security and the realtime performance of information transmission can be improved.
Description
Technical field
The utility model relates to the automobile product field, in particular, relates to a kind of distributed automotive body control system based on the controller area network bus.
Background technology
Along with the development of modern automobile industry, people require more and more higher to the traveling comfort of automobile and the convenience of operation.The application of a large amount of electronic machines in automobile greatly promoted the traveling comfort of vehicle.And the increase of electronic machine, hardware management, software, renewal, configuration and safety issue have also been brought, this just means a large amount of data message of needs and exchanges and share, and adopts traditional point-to-point rigid line signalling methods can not satisfy the growing demand of quantity of information.
The utility model content
The utility model discloses a kind of distributed automotive body control system based on the controller area network bus, is used for solving the problem that the point-to-point rigid line signalling methods of prior art can not satisfy growing data information exchange and share.
For achieving the above object, the utility model provides a kind of distributed automotive body control system based on the controller area network bus, and by the following technical solutions:
Distributed automotive body control system based on the controller area network bus comprises: one road CAN express network, comprise a plurality of CAN high speed nodes, and each CAN high speed node all connects safety system control submodule; One road CAN slow network comprises a plurality of CAN low speed nodes, and each CAN low speed node all connects a Body Control submodule; One road bureau's territory network comprises a plurality of LAN nodes, and each LAN node all connects an instruction input control submodule; Be used for the local area network main controlled node of described CAN express network, described CAN slow network and described local area network interaction data, connect respectively described CAN express network, described CAN slow network and described local area network.
Further, described safety system control submodule comprises: one or more in control unit of engine, anti-skid brake system, electronic stability formula module, tire pressure monitoring control module, gearbox control system, rotary angle transmitter, headlight height adjusting system, combination instrument control module, safety air bag control module and the auxiliary control module of stopping.
Further, described Body Control submodule comprises: one or more in image amusement module, vehicle mounted communication module, power amplifier module, passenger-side door module, reversing/panoramic video image module, front body controller, driver's chair control module, keyless access system, rear car body controller, electronic steering lock, driver's side door module, automatic air condition module and the Body control module.
Further, described instruction input control submodule comprises: one of middle control switches set module and rain sensor.
Further, described local area network main controlled node is Body control module.
Further, described distributed automotive body control system also comprises: be used for diagnosing the diagnosis joint of described local area network main controlled node, described safety system control submodule, described Body Control submodule, described instruction input control submodule, described CAN express network, described CAN slow network and described local area network, connect respectively described CAN express network, described CAN slow network and described local area network.
Further, described diagnosis joint is connected by described local area network main controlled node with described local area network.
Further, the connection lead of described CAN express network and described diagnosis joint is the CAN communication bus of per second 512 kilobytes.
Further, described CAN slow network and with the connection lead of described diagnosis joint be the CAN communication bus of per second 128 kilobytes.
Further, the connection lead of described local area network and described local area network main controlled node is the Local network communication bus of per second 19.6 kilobytes.
The utility model adopts high-speed CAN (512kbit/s), low speed CAN(128kbit/s), LIN(Local Interconnect Network, local area network) (19.6kbit/s) formed distributed automotive body control system, and each control module of vehicle body carried out distributed control, these intermodules adopt CAN bus or LIN bus to communicate, and realize each internodal information exchange and share.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 represents the structural representation of the described distributed automotive body control system based on the CAN bus of the utility model embodiment 1;
Fig. 2 represents the fundamental diagram of the distributed automotive body control system based on the CAN bus described in the utility model;
Fig. 3 represents the structural representation of the described distributed automotive body control system based on the CAN bus of the utility model embodiment 2; And
Fig. 4 represents the structural representation of the described distributed automotive body control system based on the CAN bus of the utility model embodiment 3.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 1 represents the structural representation of the described distributed automotive body control system based on the CAN bus of the utility model embodiment 1.
Referring to shown in Figure 1, comprise based on the distributed automotive body control system of CAN bus:
One road CAN express network 12 comprises a plurality of CAN high speed nodes, and each CAN high speed node all connects safety system control submodule; One road CAN slow network 14 comprises a plurality of CAN low speed nodes, and each CAN low speed node all connects a Body Control submodule; One road bureau's territory network 22 comprises a plurality of LAN nodes, and each LAN node all connects an instruction input control submodule; The local area network main controlled node 20 that is used for described CAN express network 12, described CAN slow network 14 and described local area network 22 interaction datas connects respectively described CAN express network 12, described CAN slow network 14 and described local area network 22.
In the technique scheme of present embodiment, the safety system control submodule that CAN express network 12 connects, refer to the control module relevant with traffic safety, tire pressure monitoring control module for example, the safety air bag control module, allowing these control modules relevant with traffic safety be connected with CAN express network 12 mainly is to consider from security standpoint, because, the control module that relates generally to traffic safety all needs rapid reaction, very first time interactive information.And by above technical scheme, the control module of car load is carried out distributed control, each intermodule adopts CAN bus and LIN bus to communicate, and realizes each internodal information exchange and shares.
Realize each internodal information exchange as for how by CAN bus and LIN bus and share can be referring to shown in Figure 2.
Fig. 2 represents the fundamental diagram of the distributed automotive body control system based on the CAN bus described in the utility model.
In Fig. 2, ECU1 represents an ECU electronic control unit that is connected on the CAN bus, ECU2 represents another and is connected to a ECU electronic control unit on the CAN bus, if ECU1 has received the energizing signal of outside input or has obtained this energizing signal through acquisition of signal, ECU1 can be sent to the form of this energizing signal with control signal on the bus, the module relevant with this control signal can receive this control signal in this bus, ECU2 for example, after ECU2 receives above-mentioned control signal from bus, can send executive signal to concrete performance element (actr), then received this signal to the bus feedback, same ECU1 can receive the feedback signal that comprises this feedback result in bus.
By as can be known above-mentioned, based between each control module of the distributed automotive body control system of CAN bus by CAN bus or the mutual exchange message of LIN bus and shared information, the information exchange that finally realizes car load with share.
Fig. 3 represents the structural representation of the described distributed automotive body control system based on the CAN bus of the utility model embodiment 2.
Referring to shown in Figure 3, preferably, described distributed automotive body control system also comprises: be used for diagnosing the diagnosis joint 30 of described local area network main controlled node 20, described safety system control submodule, described Body Control submodule, described instruction input control submodule, described CAN express network 12, described CAN slow network 14 and described local area network 22, connect respectively described CAN express network 12, described CAN slow network 14 and described local area network 22.
Preferably, described diagnosis joint is connected by described local area network main controlled node with described local area network.
In the technique scheme of present embodiment, diagnosis joint 30 can be diagnosed the arbitrary control module in the distributed automotive body control system by the CAN bus, this compares with traditional integrated system, this distributed bus structure assembly bus and distributed advantage, be not only applicable to the multi-vehicle-type common platform, also improved the stability of car load, made the wrong loss of car load close to 0, this maintenance to vehicle provides great convenience.
Alternatively, the connection lead of described CAN express network and described diagnosis joint is the CAN communication bus of per second 512 kilobytes.
Alternatively, described CAN slow network and with the connection lead of described diagnosis joint be the CAN communication bus of per second 128 kilobytes.
Alternatively, the connection lead of described local area network and described local area network main controlled node is the Local network communication bus of per second 19.6 kilobytes.
Fig. 4 represents the structural representation of the described distributed automotive body control system based on the CAN bus of the utility model embodiment 3.
Fig. 4 is the structural representation of a concrete distributed automotive body control system based on the CAN bus, and in Fig. 4, each CAN high speed node, each CAN low speed node and each LAN node all connect a control module.And local area network main controlled node 20 is realized by Body control module 200.
Referring to shown in Figure 4, the control module that connects on the CAN express network 12 has: control unit of engine 121, anti-skid brake system 122, gearbox control system 123, rotary angle transmitter 124, headlight height adjusting system 125, combination instrument control module 126, stop auxiliary control module 127, safety air bag control module 129 and tire pressure monitoring control module 130; The control module that connects on the CAN slow network 14 has: automatic air condition module 141, rear car body controller 142, keyless access system 143, passenger-side door module 146, vehicle mounted communication module 147, driver's side door module 1401, front body controller 1402, electronic steering lock 1403, driver's chair control module 1404, reversing/panoramic video image module 1405 and image amusement module 1406; The control module that is connected with local area network 22 has: middle control switches set module 203 and rain sensor 201.
In the technique scheme of present embodiment, increase along with the body electric system function, corresponding control module also can increase, therefore, adopt distributed bus to be designed with the expansion that helps control module, simultaneously, all the point-to-point rigid line signalling methods than traditional is higher for the stability of distributed bus design and practicality.Intermodule adopts CAN bus or LIN bus to carry out the transmission of data simultaneously, reduced greatly the wire harness use amount, body lightening has been designed with significance, to the real-time that improves vehicle circuitry safety and information transmission, to be convenient to electrical function expansion etc. significant.And, compare with traditional integrated form system, this distributed bus structure assembly bus and distributed advantage, be not only applicable to the multi-vehicle-type common platform, also improved the stability of car load, make the wrong loss of car load close to 0; Particularly distributed bus provides the diagnosis capability of car load electrical equipment, and this maintenance to vehicle provides great convenience.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. the distributed automotive body control system based on the controller area network bus is characterized in that, comprising:
One road CAN express network comprises a plurality of CAN high speed nodes, and each CAN high speed node all connects safety system control submodule;
One road CAN slow network comprises a plurality of CAN low speed nodes, and each CAN low speed node all connects a Body Control submodule;
One road bureau's territory network comprises a plurality of LAN nodes, and each LAN node all connects an instruction input control submodule;
Be used for the local area network main controlled node of described CAN express network, described CAN slow network and described local area network interaction data, connect respectively described CAN express network, described CAN slow network and described local area network.
2. distributed automotive body control system as claimed in claim 1 is characterized in that, described safety system control submodule comprises:
One or more in control unit of engine, anti-skid brake system, electronic stability formula module, tire pressure monitoring control module, gearbox control system, rotary angle transmitter, headlight height adjusting system, combination instrument control module, safety air bag control module and the auxiliary control module of stopping.
3. distributed automotive body control system as claimed in claim 1 or 2 is characterized in that, described Body Control submodule comprises:
One or more in image amusement module, vehicle mounted communication module, power amplifier module, passenger-side door module, reversing/panoramic video image module, front body controller, driver's chair control module, keyless access system, rear car body controller, electronic steering lock, driver's side door module, automatic air condition module and the Body control module.
4. distributed automotive body control system as claimed in claim 3 is characterized in that, described instruction input control submodule comprises at least: one of middle control switches set module and rain sensor.
5. distributed automotive body control system as claimed in claim 1 is characterized in that, described local area network main controlled node is Body control module.
6. distributed automotive body control system as claimed in claim 1 is characterized in that, also comprises:
Be used for diagnosing the diagnosis joint of described local area network main controlled node, described safety system control submodule, described Body Control submodule, described instruction input control submodule, described CAN express network, described CAN slow network and described local area network, connect respectively described CAN express network, described CAN slow network and described local area network.
7. distributed automotive body control system as claimed in claim 6 is characterized in that, described diagnosis joint is connected by described local area network main controlled node with described local area network.
8. distributed automotive body control system as claimed in claim 6 is characterized in that, the connection lead of described CAN express network and described diagnosis joint is the CAN communication bus of per second 512 kilobytes.
9. distributed automotive body control system as claimed in claim 6 is characterized in that, described CAN slow network reaches and the connection lead of described diagnosis joint is the CAN communication bus of per second 128 kilobytes.
10. distributed automotive body control system as claimed in claim 1 is characterized in that, the connection lead of described local area network and described local area network main controlled node is the Local network communication bus of per second 19.6 kilobytes.
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| CN201220421930.0U CN202783013U (en) | 2012-08-23 | 2012-08-23 | Distributed vehicle body control system based on CAN (controller area network) bus |
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| CN201220421930.0U CN202783013U (en) | 2012-08-23 | 2012-08-23 | Distributed vehicle body control system based on CAN (controller area network) bus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350677A (en) * | 2013-07-25 | 2013-10-16 | 安徽江淮汽车股份有限公司 | Keyless starting and keyless entry system and working method thereof |
| CN103407421A (en) * | 2013-08-27 | 2013-11-27 | 北京汽车股份有限公司 | Parking assist system and car |
| CN104346227A (en) * | 2013-07-23 | 2015-02-11 | 比亚迪股份有限公司 | Data dispatching method and device for CAN bus |
| CN108737502A (en) * | 2018-04-24 | 2018-11-02 | 北京长城华冠汽车技术开发有限公司 | The device and method of monitoring vehicle mounted communication module connection status in real time |
| CN109532708A (en) * | 2018-12-10 | 2019-03-29 | 山东国金汽车制造有限公司 | One kind being based on Smart Wiring System on New |
-
2012
- 2012-08-23 CN CN201220421930.0U patent/CN202783013U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104346227A (en) * | 2013-07-23 | 2015-02-11 | 比亚迪股份有限公司 | Data dispatching method and device for CAN bus |
| CN104346227B (en) * | 2013-07-23 | 2017-11-28 | 比亚迪股份有限公司 | Data distributing method and device for CAN |
| CN103350677A (en) * | 2013-07-25 | 2013-10-16 | 安徽江淮汽车股份有限公司 | Keyless starting and keyless entry system and working method thereof |
| CN103350677B (en) * | 2013-07-25 | 2015-07-08 | 安徽江淮汽车股份有限公司 | Keyless starting and keyless entry system and working method thereof |
| CN103407421A (en) * | 2013-08-27 | 2013-11-27 | 北京汽车股份有限公司 | Parking assist system and car |
| CN108737502A (en) * | 2018-04-24 | 2018-11-02 | 北京长城华冠汽车技术开发有限公司 | The device and method of monitoring vehicle mounted communication module connection status in real time |
| CN108737502B (en) * | 2018-04-24 | 2021-03-23 | 北京长城华冠汽车技术开发有限公司 | Device and method for monitoring connection state of vehicle-mounted communication module in real time |
| CN109532708A (en) * | 2018-12-10 | 2019-03-29 | 山东国金汽车制造有限公司 | One kind being based on Smart Wiring System on New |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE CO., Free format text: FORMER OWNER: BAIC MOTOR CO., LTD. Effective date: 20131205 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100021 CHAOYANG, BEIJING TO: 101300 SHUNYI, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20131205 Address after: 101300 Beijing, Shunyi District Shun Road, No. 25, room 5, 106 Patentee after: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. Address before: 100021 Chaoyang District, Warwick, Beijing, No. 10, Peng Long Building Patentee before: BAIC MOTOR Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200928 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Patentee after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, Beijing, Shunyi District Shun Tong Road No. 5, building 106, room 25 Patentee before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
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| CX01 | Expiry of patent term |