CN203186257U - Whole vehicle CAN bus network system - Google Patents
Whole vehicle CAN bus network system Download PDFInfo
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- CN203186257U CN203186257U CN 201320123439 CN201320123439U CN203186257U CN 203186257 U CN203186257 U CN 203186257U CN 201320123439 CN201320123439 CN 201320123439 CN 201320123439 U CN201320123439 U CN 201320123439U CN 203186257 U CN203186257 U CN 203186257U
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Abstract
The utility model discloses a whole vehicle CAN bus network system which comprises a power CAN bus and a vehicle body CAN bus. The power CAN bus and the vehicle body CAN bus are both based on a first high-speed communication protocol and are connected through a gateway. According to the whole vehicle CAN bus network system, the power CAN bus and the vehicle body CAN bus are mutually compatible, physical layers are uniform, a control unit can achieve carrying on each network without hardware changes, and what is needed is to carry out software changes of signal receiving and transmitting relationships. In addition, a high-speed CAN communication protocol is adopted on a whole vehicle, hardware cost of each module of the vehicle body CAN bus system can be reduced, the design is reasonable and operation is reliable.
Description
Technical field
The utility model relates to the Vehicle Electronic Control field, relates in particular to a kind of car load CAN bus network system.
Background technology
In automobile bus systems technology field, adopt the CAN bus as the communication platform of each electronic control unit of car load more, speed and cost are all moderate, satisfy the application requirements of most automobiles.CAN bus maximum transmission rate can reach 1Mbit/s, can be widely used in vehicle power control system, safety system and vehicle body comfort system.
At present, car load CAN bus system adopts the two-way bus system more, namely adopt one tunnel high-speed CAN bus, it is power CAN bus, be applied to engine management system, transmission control unit, anti-blocking brake system etc. and automobile power, safe relevant control system, and adopt another bus body CAN bus (fault-tolerant CAN bus) to be applied to comfort system such as car body controller, intelligent seat.Because available dynamic CAN bus adopts different communication protocol respectively with vehicle body CAN bus, and is incompatible, thereby make the communication between the module that hangs over two buses become difficult between the two.In addition, because the extensive use of power CAN transponder chip brings certain cost-benefit, car load CAN bus network system can adopt many new thinkings.
The utility model content
The purpose of this utility model is to overcome the problem of power CAN bus of the prior art and vehicle body CAN bus incompatibility, proposes a kind of car load CAN bus network system, and its compatibility is higher.
For achieving the above object, described car load CAN bus network system comprises power CAN bus and vehicle body CAN bus, is characterized in, described power CAN bus and vehicle body CAN bus are all based on first high-speed communication protocol, and the two connects by gateway.
Preferably, described first high-speed communication protocol is ISO11898-2 communication protocol.
Preferably, the traffic rate of described power CAN bus is 500kbit/s, and the traffic rate of described vehicle body CAN bus is 100kbit/s.
Preferably, described gateway is integrated in the instrument module.
Preferably, described network system also comprises respectively the On-Board Diagnostics (OBD) that is connected with vehicle body CAN bus communication with power CAN bus, this On-Board Diagnostics (OBD) connects power CAN bus by a CAN bus, and this On-Board Diagnostics (OBD) connects vehicle body CAN bus by the 2nd CAN bus.
Preferably, a described CAN bus is based on the ISO14229 diagnosing protocol, and described the 2nd CAN bus is based on the ISO15765 diagnosing protocol.
Preferably, at least one in engine management system, electronic stability program, adaptive forward lighting systems, gear controller, torque management module, video vehicle back radar, air bag module, electronic power assist steering system, gearbox control system, auxiliary parking system, the electronics parking system connects described power CAN bus.
Preferably, car body controller, indoor relay box, no key enter/in the start-up system, air-conditioner controller module, Active-Movie CD at least one connect described vehicle body CAN bus.
Preferably, described car body controller connects rainfall Light indicator and anti-pinch module by the LIN bus.
The beneficial effects of the utility model are embodied in following several aspect:
1, realized compatible between power CAN bus and the vehicle body CAN bus, Physical layer is unified, and control unit need not to carry out the hardware change and namely can carry at each section network, only need do the software change of signal transmitting and receiving relation.
2, car load all adopts high-speed CAN communication protocol, can reduce the hardware cost of each module of vehicle body CAN bus system.
Description of drawings
Fig. 1 shows the network system topological diagram of car load CAN bus network system described in the utility model.
The specific embodiment
For above-mentioned purpose, the feature and advantage that make utility model can become apparent more, below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail.
Fig. 1 shows the network system topological diagram of car load CAN bus network system described in the utility model, as shown in Figure 1, the left end of topological diagram is power CAN bus system, power CAN bus 100 can be carried engine management system 101(EMS, Engine Management System), electronic stability program 102(ESC, Electronic Stability Control), adaptive forward lighting systems 103(ALFLS, Automatic Leveling Front Lighting System), gear controller 104(SLC, Shifter Lever Controller), torque management module 105(TMM, Torque Management Module), video vehicle back radar 106(VRR, Visible Reverse Radar), air bag module 107(ABM, Air Bag Module), the 108(EPS of electronic power assist steering system, Electronic Power Steering), gearbox control system 109(TCU, Transmission Control Unit), auxiliary parking system 110(IPS, Intelligent Parking Unit) and electronics parking system 111(EPB, Electronic Parking Brake), each unit all adopts first high-speed communication protocol to communicate, described first high-speed communication protocol adopts the ISO11898-2 bus protocol, and transfer rate is 500kbit/s.
The topology right-hand member is vehicle body CAN bus system, vehicle body CAN bus 200 can be carried car body controller 201(BCM, Body Control Module), indoor relay box 202(IPRB, Instrument Panel Relay Box), no key enters/start-up system 203(PEPS Passive Entry﹠amp; Passive Start), air-conditioner controller module 204(CM, Climate Module) and Active-Movie CD 205(DVD, Digital Video Disk), each unit all also adopts first high-speed communication protocol, namely also adopt the ISO11898-2 bus protocol, transfer rate is 100kbit/s.
The integrated form scheme is adopted for connecting the gateway of two-way bus (being power CAN bus 100 and vehicle body CAN bus 200) in the centre of topological diagram, is integrated in instrument module 300(ICM, Instrument Cluster) in.
In addition, for satisfying the control of low-cost simple module, integrated LIN bus system in car body controller 201, car body controller 201 connects control rainfall Light indicator 501(RLS by the LIN500 bus, Rain/Light Sensor) and anti-pinch module 502(APM, Anti-pinch Module).
Described network system also comprises respectively and the power CAN bus 100 On-Board Diagnostics (OBD) 400(OBD that 200 communications are connected with vehicle body CAN bus, On-Board Diagnostics), this On-Board Diagnostics (OBD) 400 connects power CAN bus 100 by a CAN bus 401, and this On-Board Diagnostics (OBD) 400 connects vehicle body CAN bus 200 by the 2nd CAN bus 402.Especially, a described CAN bus 401 is based on the ISO14229 diagnosing protocol, and described the 2nd CAN bus 402 is diagnosed power CAN bus 100 and vehicle body CAN bus 200 respectively based on the ISO15765 diagnosing protocol.
Concrete principle of work is as follows:
Each unit is received and dispatched the bus signals that needs mutually on the power CAN bus system, and to satisfy function needs separately, vehicle body CAN bus system in like manner; Signal in the needed vehicle body CAN of the power CAN bus system bus system, and the signal in the needed power CAN of the vehicle body CAN bus system bus system, realize to be transmitted by gateway, the signal that obtains the two-way bus as the instrument module 300 of gateway is to satisfy the needs of self function simultaneously.
Being the utility model preferred embodiment only in sum, is not to limit practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to technology category of the present utility model.
Claims (9)
1. a car load CAN bus network system comprises power CAN bus and vehicle body CAN bus, it is characterized in that: described power CAN bus and vehicle body CAN bus are all based on first high-speed communication protocol, and the two connects by gateway.
2. car load CAN bus network system according to claim 1, it is characterized in that: described first high-speed communication protocol is ISO11898-2 communication protocol.
3. car load CAN bus network system according to claim 1, it is characterized in that: the traffic rate of described power CAN bus is 500kbit/s, the traffic rate of described vehicle body CAN bus is 100kbit/s.
4. car load CAN bus network system according to claim 1, it is characterized in that: described gateway is integrated in the instrument module.
5. car load CAN bus network system according to claim 1, it is characterized in that: described network system also comprises respectively the On-Board Diagnostics (OBD) that is connected with vehicle body CAN bus communication with power CAN bus, this On-Board Diagnostics (OBD) connects power CAN bus by a CAN bus, and this On-Board Diagnostics (OBD) connects vehicle body CAN bus by the 2nd CAN bus.
6. car load CAN bus network system according to claim 5, it is characterized in that: a described CAN bus is based on the ISO14229 diagnosing protocol, and described the 2nd CAN bus is based on the ISO15765 diagnosing protocol.
7. according to any described car load CAN bus network system in the claim 1 to 6, it is characterized in that: at least one in engine management system, electronic stability program, adaptive forward lighting systems, gear controller, torque management module, video vehicle back radar, air bag module, electronic power assist steering system, gearbox control system, auxiliary parking system, the electronics parking system connects described power CAN bus.
8. according to any described car load CAN bus network system in the claim 1 to 6, it is characterized in that: car body controller, indoor relay box, no key enter/and in the start-up system, air-conditioner controller module, Active-Movie CD at least one connect described vehicle body CAN bus.
9. car load CAN bus network system according to claim 8 is characterized in that: described car body controller connects rainfall Light indicator and anti-pinch module by the LIN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320123439 CN203186257U (en) | 2013-03-18 | 2013-03-18 | Whole vehicle CAN bus network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320123439 CN203186257U (en) | 2013-03-18 | 2013-03-18 | Whole vehicle CAN bus network system |
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| CN203186257U true CN203186257U (en) | 2013-09-11 |
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| CN 201320123439 Expired - Fee Related CN203186257U (en) | 2013-03-18 | 2013-03-18 | Whole vehicle CAN bus network system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599709A (en) * | 2016-01-22 | 2016-05-25 | 上海赛睿迪新能源汽车有限公司 | Safety device and method applied to automobile bus system |
| CN106341283A (en) * | 2016-11-15 | 2017-01-18 | 安徽江淮汽车股份有限公司 | Dual-network-segment controlling method and system |
| CN107235022A (en) * | 2017-06-28 | 2017-10-10 | 东南（福建）汽车工业有限公司 | A kind of electric automobile bus control system |
| CN107608330A (en) * | 2017-08-24 | 2018-01-19 | 苏州汇川联合动力系统有限公司 | A kind of integrated manipulator of electric automobile, communication system and the means of communication |
| CN108476161A (en) * | 2016-05-27 | 2018-08-31 | 松下电器（美国）知识产权公司 | Electronic control unit, communication means and vehicle netbios |
| CN108819882A (en) * | 2018-08-03 | 2018-11-16 | 中国汽车工程研究院股份有限公司 | A kind of new-energy automobile CAN bus signal resolution method |
| CN108995612A (en) * | 2018-08-03 | 2018-12-14 | 中国汽车工程研究院股份有限公司 | A kind of new-energy automobile CAN bus signal resolution circuit, system and method |
-
2013
- 2013-03-18 CN CN 201320123439 patent/CN203186257U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599709A (en) * | 2016-01-22 | 2016-05-25 | 上海赛睿迪新能源汽车有限公司 | Safety device and method applied to automobile bus system |
| CN108476161A (en) * | 2016-05-27 | 2018-08-31 | 松下电器（美国）知识产权公司 | Electronic control unit, communication means and vehicle netbios |
| CN108476161B (en) * | 2016-05-27 | 2021-03-02 | 松下电器（美国）知识产权公司 | Electronic control unit, communication method, and in-vehicle network system |
| CN106341283A (en) * | 2016-11-15 | 2017-01-18 | 安徽江淮汽车股份有限公司 | Dual-network-segment controlling method and system |
| CN106341283B (en) * | 2016-11-15 | 2019-06-04 | 安徽江淮汽车集团股份有限公司 | A kind of double network segment control methods and system |
| CN107235022A (en) * | 2017-06-28 | 2017-10-10 | 东南（福建）汽车工业有限公司 | A kind of electric automobile bus control system |
| CN107608330A (en) * | 2017-08-24 | 2018-01-19 | 苏州汇川联合动力系统有限公司 | A kind of integrated manipulator of electric automobile, communication system and the means of communication |
| CN107608330B (en) * | 2017-08-24 | 2021-03-05 | 苏州汇川联合动力系统有限公司 | Electric vehicle integrated controller, communication system and communication method |
| CN108819882A (en) * | 2018-08-03 | 2018-11-16 | 中国汽车工程研究院股份有限公司 | A kind of new-energy automobile CAN bus signal resolution method |
| CN108995612A (en) * | 2018-08-03 | 2018-12-14 | 中国汽车工程研究院股份有限公司 | A kind of new-energy automobile CAN bus signal resolution circuit, system and method |
| CN108819882B (en) * | 2018-08-03 | 2023-07-07 | 中国汽车工程研究院股份有限公司 | New energy automobile CAN bus signal analysis method |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20190318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |