CN108099826A - A kind of synthesis body control system of integrated OBD gateways - Google Patents
A kind of synthesis body control system of integrated OBD gateways Download PDFInfo
- Publication number
- CN108099826A CN108099826A CN201810038319.1A CN201810038319A CN108099826A CN 108099826 A CN108099826 A CN 108099826A CN 201810038319 A CN201810038319 A CN 201810038319A CN 108099826 A CN108099826 A CN 108099826A
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- control system
- gateways
- body control
- obd
- bus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
Abstract
The invention discloses a kind of synthesis body control systems of integrated OBD gateways, including comprehensive body control system, CAN bus and OBD gateways, the comprehensive body control system is integrated with OBD gateways, share a microprocessor, the microprocessor supports 3 tunnel CAN bus, CAN bus connects OBD gateways all the way, and CAN bus picks up body CAN network all the way, and another way CAN bus connects power CAN network.The system realizes interior CAN from hardware and is separated with the hardware interface of CAN bus outside vehicle, effectively realizes the security protection of in-vehicle information, reduces the external possibility invaded by CAN bus, ensures the safety of in-vehicle information；Meanwhile new-energy automobile vehicle body ECU nodes are also effectively integrated, reduce interior CAN bus load factor.
Description
Technical field
The present invention relates to a kind of automobile electronics, more particularly to a kind of synthesis body control system of integrated OBD gateways.
Background technology
As " internet+" and social intelligenceization are popularized, new-energy automobile gradually develops to net connectionization, intelligent direction.
Most of automobile factory, either new energy vehicle or orthodox car, automotive interior are communicated using CAN bus both at home and abroad at present,
Mobile Internet is accessed from OBD interfaces by vehicle device module, realizes the monitoring of the smart machines to vehicle such as mobile phone, but CAN buses
It is to save the distributed network topology bus that harness designs, using the data transfer mode of plain code broadcast, therefore CAN is total
There is very big hidden danger in the safety problem of line.The main reason for problem is never taken seriously：CAN network is in physical layer and logic chain
Road floor is using unified standard, but in the contents such as request instruction and response mechanism, and even identical producer of different automobile vendors is not
It is mutually incompatible with vehicle all using different data exchange agreements, and these agreements are underground, therefore these communication protocols
Prevent the invasion of attacker.However as vehicle intellectualized, net connectionization, the appearance of more and more car networking products is interior outer
Numerous equipment and application be all connected with internet, the developing instrument price of CAN bus network progressively declines in addition, Yi Jiti
It is largely popularized for the adapter of In-vehicle networking Content of Communication, makes these internal network communications protocol no longer mysterious, therefore to vehicle-mounted
Bus network, which implements attack, also to be become further easily.Famous white hat Miller and doctor Valasek were continuous from 2013
The research report on net connection automobile information safety problem is delivered within 3 years in the top security conference in the world, involved in report content
The attack arrived either still carries out long-range attack by ECU nodes loophole by being directly connected to form, finally all passes through
The CAN bus of vehicle-mounted OBD sends the instruction message forged to interior ECU nodes, so as to achieve the purpose that control automobile.Therefore,
Increasing the anti-intrusion research of CAN bus is very important.
It is domestic at present encryption identifying algorithm is concentrated mainly on to the research of vehicle-mounted CAN bus safety, based on intrusion detection and
In terms of Software for Design based on security framework.On the whole, it is most effective protection method based on security framework, but due to vapour
Vehicle ECU nodes are more, and most of using 16 microcontrollers, and software design pattern uses back-fore ground system, memory and journey mostly
Sequence code space is limited, therefore the software design scheme based on security framework does not apply to.In addition, realized by complicated algorithm
Protection method, since CAN bus is plaintext transmission, as long as human observer obtains enough data, there is also the possibilities being cracked.
The content of the invention
The purpose of the present invention is for overcome the deficiencies in the prior art, propose a kind of synthesis Body Control of integrated OBD gateways
System.
To achieve the above object, the present invention uses following technical proposals：
A kind of synthesis body control system of integrated OBD gateways, including integrating body control system, CAN bus and OBD gateways,
The comprehensive body control system is integrated with OBD gateways, shares a microprocessor, and the microprocessor supports 3 tunnels
CAN bus, all the way CAN bus connect OBD gateways, another way CAN bus picks up body CAN network, finally meets automobile power CAN all the way
Network gateway.
Preferably, the comprehensive body control system is car body controller module.
Preferably, the comprehensive body control system includes car body controller module and tire pressure monitoring module, Body Control
Device module shares a microprocessor with tire pressure monitoring module.
Preferably, the comprehensive body control system includes car body controller module and keyless entry module, the vehicle
Body controller module and keyless entry module share a microprocessor.
Preferably, the comprehensive body control system include car body controller module, tire pressure monitoring module and without key into
Enter module, the car body controller module, tire pressure monitoring module and keyless entry module share a microprocessor.
Preferably, the microprocessor is 32 microcontrollers.
Preferably, the CAN bus data communication rate of the connection vehicle body network is 250k/s, connection power network
CAN bus data communication rate is 500k/s, and the CAN bus data communication rate of connection OBD gateways is 250k/s.
Preferably, the car body controller module and tire pressure monitoring module share a piece of wireless receiving chip and antenna.
Preferably, the wireless receiving chip and during Antenna Operation corresponding wireless center frequency point for 433.92MHz or
315MHz。
Preferably, the wireless receiving chip is the TDA5235 of Infineon.
The invention has the advantages that the hardware interface that interior CAN is realized from hardware with CAN bus outside vehicle separates,
The security protection of in-vehicle information is effectively realized, reduces the external possibility invaded by CAN bus, ensures the peace of in-vehicle information
Entirely；Meanwhile new-energy automobile vehicle body ECU nodes are also effectively integrated, reduce interior CAN bus load factor.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present invention, for this field
For those of ordinary skill, without creative efforts, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is that original automobile ECU connects section network diagram；
Fig. 2 is to connect section network diagram using automobile ECU after comprehensive car body controller；
Fig. 3 is comprehensive body control system functional block diagram.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1：
In order to which table is more clearly understood that the present invention, Fig. 2,3 synthesis body control system are with integrated car body controller module, nothing
Key illustrates exemplified by entering module and tire pressure monitoring module.
In the present embodiment, the synthesis body control system of OBD gateways is integrated, including comprehensive body control system, CAN bus
With OBD gateways, the comprehensive body control system is integrated with OBD gateways, shares a microprocessor, the microprocessor
Device supports 3 tunnel CAN bus, and CAN bus connects OBD gateways all the way, and another way CAN bus picks up body CAN network, finally connects vapour all the way
Vehicle power CAN network gateway.Comparison diagram 1 and Fig. 2 can become apparent from the improvement of vehicle body network topology.It can be with from Fig. 2
Find out, OBD gateway interfaces are separated from hardware, so as to protect the data safety of internal CAN bus.The present embodiment is comprehensive
The bus topology for closing body control system is promoted again, is integrated with the gateway of power CAN network and vehicle body CAN network, is made comprehensive
The integrated level higher of body control system is closed, it is with better function.
Comprehensive body control system includes car body controller module, tire pressure monitoring module and keyless entry module, described
Car body controller module, tire pressure monitoring module and keyless entry module share a microprocessor.The present embodiment is mainly applied
In the high-end vehicle of integrated tire pressure and keyless entry function in the case of protection CAN bus invasion, reduce to greatest extent
The cost of automotive electronics node improves the utilization rate of microprocessor.Fig. 3 is the system block diagram of the present embodiment, and the program integrates
Degree and cost performance are all higher.
Microprocessor is 32 microcontrollers.The function of solution integration in embodiment is more, more can using 32 microcontrollers
The advantage of arithmetic speed is embodied, while the sexual valence of microcontroller is higher, more meets the trend of current technology development.For this implementation
The scheme of example, such as the MPC5604B of the PowerPC frameworks of NXP is more preferably selecting for microprocessor, sexual valence is higher.
The CAN bus data communication rate of vehicle body network is connected as 250k/s, the CAN bus data of connection power network are led to
News rate is 500k/s, and the CAN bus data communication rate of connection OBD gateways is 250k/s.
Car body controller module and tire pressure monitoring module share a piece of wireless receiving chip and antenna.In this embodiment scheme
The wireless center frequency point that detect with tire pressure of remote control key processed whether will the decision selection of wireless receiving chip and setting for antenna together
Meter.If wireless center frequency point is identical, it may be selected to support the wireless receiving chip and antenna of this frequency point, otherwise, wirelessly connect
The two wireless center frequency points will be supported simultaneously by receiving chip and antenna.
Corresponding wireless center frequency point is 433.92MHz or 315MHz when wireless receiving chip and Antenna Operation.The two
Frequency is the wireless telecommunications center frequency point of current most important remote controler and tie pressure detection module, has extraordinary practical application
Meaning.
Wireless receiving chip is the TDA5235 of Infineon.The wireless center frequency point that the chip is supported for 433.92MHz or
315MHz, in practical applications by software configuration poll wireless center frequency, can reach at the same support 433.92MHz and
The wireless data of 315MHz receives.
Embodiment 2：
As different from Example 1, comprehensive body control system is car body controller module.The scheme of the present embodiment is mainly used for
Present system schema is replaced in the upgrading of existing car body controller, and advantage is to facilitate upgrading, and shortcoming is that cost is higher.
Embodiment 3：
As different from Example 1, comprehensive body control system includes car body controller module and tire pressure monitoring module, vehicle body control
Device module processed shares a microprocessor with tire pressure monitoring module.The present embodiment is mainly used in low and middle-grade passenger car occasions, from
Start within 2019, car body controller and tire pressure monitoring are the standard configurations of passenger car, and the integration of the two can reduce harness, are improved
The utilization rate of microprocessor reduces the cost of electronic equipment.
Embodiment 4：
As different from Example 1, comprehensive body control system includes car body controller module and keyless entry module, described
Car body controller module and keyless entry module share a microprocessor.At present, keyless entry module belongs to apolegamy
Electronic equipment, the present embodiment are mainly used in having installed the vehicle of keyless entry module.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of synthesis body control system of integrated OBD gateways, including comprehensive body control system, CAN bus and OBD nets
It closes, which is characterized in that the comprehensive body control system is integrated with OBD gateways, shares a microprocessor, described micro-
Processor supports 3 tunnel CAN bus, and CAN bus connects OBD gateways all the way, and another way CAN bus picks up body CAN network, all the way finally
Connect automobile power CAN network gateway.
2. the synthesis body control system of kind of integrated OBD gateways as described in claim 1, which is characterized in that the integrated car
Body control system is car body controller module.
3. the synthesis body control system of integrated OBD gateways as described in claim 1, which is characterized in that the comprehensive vehicle body
Control system includes car body controller module and tire pressure monitoring module, and car body controller module shares one with tire pressure monitoring module
Microprocessor.
4. the synthesis body control system of integrated OBD gateways as described in claim 1, which is characterized in that the comprehensive vehicle body
Control system includes car body controller module and keyless entry module, the car body controller module and keyless entry module
Share a microprocessor.
5. the synthesis body control system of integrated OBD gateways as described in claim 1, which is characterized in that the comprehensive vehicle body
Control system includes car body controller module, tire pressure monitoring module and keyless entry module, the car body controller module, tire
Pressure monitoring modular and keyless entry module share a microprocessor.
6. the synthesis body control system of the integrated OBD gateways as described in claim 1 to 5 is any, which is characterized in that described micro-
Processor is 32 microcontrollers.
7. the synthesis body control system of integrated OBD gateways as claimed in claim 6, which is characterized in that the connection vehicle body
The CAN bus data communication rate of network is 250k/s, and the CAN bus data communication rate of connection OBD gateways is 250k/s, even
The CAN bus data communication rate for connecing power network is 500k/s.
8. the synthesis body control system of integrated OBD gateways as claimed in claim 6, which is characterized in that the Body Control
Device module and tire pressure monitoring module share a piece of wireless receiving chip and antenna.
9. the synthesis body control system of integrated OBD gateways as claimed in claim 6, which is characterized in that the wireless receiving
Corresponding wireless center frequency point is 433.92MHz or 315MHz when chip and Antenna Operation.
10. the synthesis body control system of integrated OBD gateways as claimed in claim 8, which is characterized in that the wireless receiving
Chip is the TDA5235 of Infineon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038319.1A CN108099826A (en) | 2018-01-16 | 2018-01-16 | A kind of synthesis body control system of integrated OBD gateways |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038319.1A CN108099826A (en) | 2018-01-16 | 2018-01-16 | A kind of synthesis body control system of integrated OBD gateways |
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| Publication Number | Publication Date |
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| CN108099826A true CN108099826A (en) | 2018-06-01 |
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| CN201810038319.1A Pending CN108099826A (en) | 2018-01-16 | 2018-01-16 | A kind of synthesis body control system of integrated OBD gateways |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428595A (en) * | 2008-12-17 | 2009-05-13 | 厦门金龙联合汽车工业有限公司 | Bus line type passenger car fault alarm apparatus and method |
| CN203732981U (en) * | 2014-03-19 | 2014-07-23 | 北京经纬恒润科技有限公司 | Integrated automobile body controller |
| CN104836687A (en) * | 2015-05-12 | 2015-08-12 | 重庆长安汽车股份有限公司 | Automobile communication network topology |
| GB2525462A (en) * | 2014-12-11 | 2015-10-28 | Digitpol Ltd | A security device for a vehicle's electronic system |
| CN206734223U (en) * | 2017-02-15 | 2017-12-12 | 联合汽车电子有限公司 | Vehicle data processing system |
| CN207711984U (en) * | 2018-01-16 | 2018-08-10 | 山东省科学院自动化研究所 | A kind of synthesis body control system of integrated OBD gateways |
-
2018
- 2018-01-16 CN CN201810038319.1A patent/CN108099826A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428595A (en) * | 2008-12-17 | 2009-05-13 | 厦门金龙联合汽车工业有限公司 | Bus line type passenger car fault alarm apparatus and method |
| CN203732981U (en) * | 2014-03-19 | 2014-07-23 | 北京经纬恒润科技有限公司 | Integrated automobile body controller |
| GB2525462A (en) * | 2014-12-11 | 2015-10-28 | Digitpol Ltd | A security device for a vehicle's electronic system |
| CN104836687A (en) * | 2015-05-12 | 2015-08-12 | 重庆长安汽车股份有限公司 | Automobile communication network topology |
| CN206734223U (en) * | 2017-02-15 | 2017-12-12 | 联合汽车电子有限公司 | Vehicle data processing system |
| CN207711984U (en) * | 2018-01-16 | 2018-08-10 | 山东省科学院自动化研究所 | A kind of synthesis body control system of integrated OBD gateways |
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