CN206162187U - Whole vehicle CAN bus network system - Google Patents
Whole vehicle CAN bus network system Download PDFInfo
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- CN206162187U CN206162187U CN201621070415.7U CN201621070415U CN206162187U CN 206162187 U CN206162187 U CN 206162187U CN 201621070415 U CN201621070415 U CN 201621070415U CN 206162187 U CN206162187 U CN 206162187U
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Abstract
The utility model relates to a whole vehicle CAN bus network system, including power CAN bus, automobile body CAN bus, high -pressure CAN bus and information CAN bus, connect through the gateway between adjacent. The number of the subsystem of connection has obtained the reduction of very big degree in every bus among this whole vehicle CAN bus network system, be convenient for control and management, and the reliability has obtained the promotion. And, divide different CAN buses according to subsystem attribute different, on the subsystem of the same attribute was connected to same CAN bus, not only convenient control, management had reduced the load factor between each bus network moreover, have strengthened communication capacity and efficiency, and one goes wrong and to influence the alone operation of other networks simultaneously, and the reliability further promotes.
Description
Technical field
The utility model is related to a kind of Full-vehicle CAN bus network system.
Background technology
In recent years, automotive electronic technology obtained great development, as people are to vehicle safety, comfortableness, intelligent etc.
Aspect demand is increasingly lifted, automotive circuit diagram, informationization, networking, the intelligent main flow direction for having become automotive engineering, visitor
Car field at present already equipped with a set of CAN network system, with electronics such as multi-functional steering wheel, tire pressure monitoring, lubricating systems
System is continuously increased, particularly the electronic system such as integral new-energy passenger full-vehicle control, battery control, motor control, course changing control
Substantial increase, a large amount of electronic equipments are all connected to same CAN network, and data message is transmitted from the CAN network.If its
In a node go wrong, it is possible to cause whole CAN network to be damaged, and then cause the paralysis of car load, so, reliability compared with
It is low.Simultaneously distinct electronic apparatuses communication requires communication capacity, speed etc. different, security to vehicle CAN network system, can
Autgmentability, traffic load etc. are greatly challenges.
In order to solve the above problems, disclose a kind of whole in the Chinese patent application file of Publication No. CN203186257U
Car CAN network system, including power CAN and vehicle body CAN, are connected between the two buses by gateway.This
Full-vehicle CAN bus network is divided into two parts by the mode of kind, although can be solved the above problems to a certain extent, reliability has
Certain lifting, but, too many load is still connected with each CAN, reliability is not still very high, is unfavorable for control
System and management.
Utility model content
The purpose of this utility model is to provide a kind of Full-vehicle CAN bus network system, total to the CAN network for solving traditional
The not high problem of line reliability.
For achieving the above object, scheme of the present utility model includes a kind of Full-vehicle CAN bus network system, including power
CAN and vehicle body CAN, both are connected by the first gateway, described also including high pressure CAN and information CAN
High pressure CAN is connected with the power CAN by the second gateway, the vehicle body CAN and described information CAN
Connected by the 3rd gateway.
First gateway is arranged on vehicle body main control module, and second gateway is arranged on entire car controller, institute
State the 3rd gateway to be arranged on instrumentation module.
High pressure CAN diagnostic ports and power CAN diagnostic ports are provided with the entire car controller, high pressure CAN is led to
High pressure CAN diagnostic ports connection entire car controller is crossed, power CAN connects entire car controller by power CAN diagnostic ports；
Vehicle body CAN diagnostic ports and information CAN diagnostic port are provided with instrumentation module, vehicle body CAN diagnoses end by vehicle body CAN
Mouth connection instrumentation module, information CAN connects instrumentation module by information CAN diagnostic port.
The control subsystem at least battery management system connected in the high pressure CAN and mair motor controller.
The control subsystem at least gear panel connected in the power CAN.
At least anterior power module of the control subsystem connected in the vehicle body CAN.
The control subsystem at least tire pressure alarm system connected in described information CAN.
The Full-vehicle CAN bus network system that the utility model is provided includes four points of bus network systems, is respectively high
Pressure CAN, power CAN, vehicle body CAN and information CAN, by corresponding between two neighboring bus system
Gateway connects, that is to say, that Full-vehicle CAN bus network system has been divided into four parts by the utility model, and is according to vehicle
In the attribute of control subsystem divided, the subsystem of different attribute is connected with corresponding bus, realize data
Transmission.So, the number of the subsystem connected in each bus in the Full-vehicle CAN bus network system has been obtained largely
Reduction, be easy to control and manage, reliability is improved.And, according to the different CAN of the different demarcation of subsystem attributes
Bus, the subsystem of same alike result is connected in same CAN, not only facilitates control, management, and it is total to reduce each
Load factor between gauze network, enhances communication capacity and efficiency, while one goes wrong and do not interfere with the only of other networks
Vertical operation, reliability is further lifted.
High voltage control subsystem connection high pressure CAN in vehicle, by gateway the control with outer low pressure device is realized
System docking, can significantly facilitate the independent management of high-pressure system, prevent the interference of extraneous uncertain factor, greatly improve car load
Security performance；Power control subsystem connects power CAN, not only effectively lifts the control efficiency of vehicle driving system,
The monitoring to vehicle driving system can be realized simultaneously；Body Control subsystem connects vehicle body CAN, greatly reduces vehicle body
The load of network, improves the stability of vehicle body network；Information control subsystem link information CAN, can effectively reduce
External system affects on it, is easy to trouble-shoots and analysis.
Description of the drawings
Fig. 1 is plug-in Bus network architecture schematic diagram；
Fig. 2 is pure electric coach CAN network architecture schematic diagram.
Specific embodiment
The Full-vehicle CAN bus network system that the utility model is provided is widely used, and can apply on integral new-energy passenger,
Can be used on the car of traditional power, or on other kinds of vehicle.
Below in conjunction with accompanying drawing, by taking plug-in car and pure electric coach as an example, the utility model is done respectively further in detail
Thin explanation.
Plug-in Bus network system embodiment
As shown in figure 1, plug-in Bus network system includes that high-pressure system CAN, dynamical system CAN are total
Line, bodywork system CAN and information system CAN, between high-pressure system CAN and dynamical system CAN, power
Pass through and bodywork system CAN and information system CAN between system CAN bus and bodywork system CAN
Gateway connects.In the present embodiment, these three gateways are separately positioned on entire car controller, vehicle body main control module and instrumentation module
On, it may also be said to, connected by entire car controller between high-pressure system CAN and dynamical system CAN, dynamical system
Connected by vehicle body main control module between CAN and bodywork system CAN, bodywork system CAN and information system
Connected by instrumentation module between CAN.Because entire car controller, vehicle body main control module and instrumentation module are car sheet
The equipment of body, belongs to conventional equipment, so, no longer respective concrete structure is described.
Wherein, being communicated by CAN network will manage or control subsystems and the high pressure system of the work of automobile high tension apparatus
System CAN links together and constitutes high-pressure system CAN network system.
The subsystems and dynamical system CAN communicated monitoring or controlling running car work by CAN network
Link together and constitute dynamical system CAN network system.
The subsystems and bodywork system CAN communicated managing or controlling automobile tradition electrical work by CAN network
Bus links together and constitutes bodywork system CAN network system.
Each information system of vehicle and information system CAN are linked together by CAN network communication and constitutes letter
Breath system CAN network system.
High-pressure system CAN, dynamical system CAN, bodywork system CAN and information system CAN pass through
Entire car controller, three gateways of vehicle body main control module and instrumentation module link together whole CAN network, realize different total
Information exchange between line.
In addition, in order that the CAN network system possesses diagnostic function, the network system also includes four diagnosis ends
Mouthful：High pressure CAN diagnostic ports, power CAN diagnostic ports, vehicle body CAN diagnostic ports and information CAN diagnostic port.Full-vehicle control
There are two ports on device, be high pressure CAN diagnostic ports and power CAN diagnostic ports, high-pressure system CAN passes through high pressure CAN
Diagnostic port connects entire car controller, and dynamical system CAN connects entire car controller by power CAN diagnostic ports.Instrument
There are two ports in module, be vehicle body CAN diagnostic ports and information CAN diagnostic port, bodywork system CAN passes through vehicle body
CAN diagnostic ports connect instrumentation module, and information system CAN connects instrumentation module by information CAN diagnostic port.Car load control
Device processed can diagnose each nodal information in high-pressure system CAN by high pressure CAN diagnostic ports；Entire car controller passes through
Power CAN diagnostic ports can diagnose each nodal information in dynamical system CAN；Instrumentation module is examined by vehicle body CAN
Interruptive port can diagnose each nodal information in bodywork system CAN；Instrumentation module can be with by information CAN diagnostic port
Each nodal information in Diagnostic Information System CAN.So as to realize being realized to whole in entire car controller and instrumentation module
Car Information Field is monitored.High pressure CAN diagnostic ports and power CAN diagnostic ports are arranged on entire car controller, by vehicle body CAN
Diagnostic port and information CAN diagnostic port are arranged on instrumentation module, and port is supervised at entire car controller and instrumentation module
Survey is conducive to maintenance convenient and design optimization.
Because the CAN network system in the present embodiment is applied in plug-in car, so, based on plug-in
The structure of car, the subsystem of high-pressure system CAN connection has battery management system and mair motor controller, these subsystems
Connecting the subsystem connected in high-pressure system CAN, also, high-pressure system CAN by corresponding node can also have
Charge control system, steering control system, ISG electric machine controllers etc..Each node in high-pressure system CAN passes through high pressure
System CAN bus realizes information exchange.
The subsystem of dynamical system CAN connection has gear panel, connects dynamical system CAN by corresponding node total
On line, also, dynamical system CAN connect subsystem can also have Engine ECU, retarder, cooling control system,
ABS+ASR+ESC/ESB, adaptive cruise ACC, drive recorder, vehicle monitoring system etc..It is each in dynamical system CAN
Individual node realizes information exchange by dynamical system CAN.
Simultaneously gateway is used as by entire car controller, is not only able to realize each node work(in high-pressure system CAN
Can normally run, and realize high-pressure system CAN for information about between the relevant information of dynamical system CAN
Transmission.
The subsystem of bodywork system CAN connection has front power module, and by corresponding node bodywork system CAN is connected
The subsystem connected in bus, also, bodywork system CAN can also have top control module, rear portion control module etc..Car
Each node in body system CAN bus realizes information exchange by bodywork system CAN.Made by vehicle body main control module
For gateway can realize bodywork system CAN for information about with the transmission between the information of power CAN, so as to realize
Each nodal function of bodywork system CAN normally runs.
According to the difference of configuration vehicle, the information of vehicles subsystem connected in information system CAN is different, such as include
Tire pressure alarm system, multi-functional steering wheel, centralized lubricating system, intelligent public transportation system etc..Each in information system CAN
Node realizes information exchange by information system CAN.Simultaneously being used as gateway by instrumentation module realizes that bodywork system CAN is total
Line for information about with the transmission between the information of information system CAN, so as to realize information system CAN each section
Point function is normally run.
Pure electric coach CAN network system embodiment
CAN network system in the present embodiment, on the CAN network system on pure electric coach and plug-in car
System overall structure is identical.As shown in Fig. 2 pure electric coach CAN network system includes high-pressure system CAN, dynamical system
System CAN, bodywork system CAN and information system CAN, high-pressure system CAN and dynamical system CAN it
Between, between dynamical system CAN and bodywork system CAN and bodywork system CAN and information system CAN between
Connected by gateway.In the present embodiment, these three gateways are separately positioned on entire car controller, vehicle body main control module and instrument
In table module, it may also be said to, connected by entire car controller between high-pressure system CAN and dynamical system CAN, power
Connected by vehicle body main control module between system CAN bus and bodywork system CAN, bodywork system CAN and information
Connected by instrumentation module between system CAN bus.Because entire car controller, vehicle body main control module and instrumentation module are visitor
The equipment of car itself, belongs to conventional equipment, so, no longer respective concrete structure is described.
Wherein, being communicated by CAN network will manage or control subsystems and the high pressure system of the work of automobile high tension apparatus
System CAN links together and constitutes high-pressure system CAN network system.
The subsystems and dynamical system CAN communicated monitoring or controlling running car work by CAN network
Link together and constitute dynamical system CAN network system.
The subsystems and bodywork system CAN communicated managing or controlling automobile tradition electrical work by CAN network
Bus links together and constitutes bodywork system CAN network system.
Each information system of vehicle and information system CAN are linked together by CAN network communication and constitutes letter
Breath system CAN network system.
High-pressure system CAN, dynamical system CAN, bodywork system CAN and information system CAN pass through
Entire car controller, three gateways of vehicle body main control module and instrumentation module link together whole CAN network, realize different total
Information exchange between line.
In addition, in order that the CAN network system possesses diagnostic function, the network system also includes four diagnosis ends
Mouthful：High pressure CAN diagnostic ports, power CAN diagnostic ports, vehicle body CAN diagnostic ports and information CAN diagnostic port.Full-vehicle control
There are two ports on device, be high pressure CAN diagnostic ports and power CAN diagnostic ports, high-pressure system CAN passes through high pressure CAN
Diagnostic port connects entire car controller, and dynamical system CAN connects entire car controller by power CAN diagnostic ports.Instrument
There are two ports in module, be vehicle body CAN diagnostic ports and information CAN diagnostic port, bodywork system CAN passes through vehicle body
CAN diagnostic ports connect instrumentation module, and information system CAN connects instrumentation module by information CAN diagnostic port.Car load control
Device processed can diagnose each nodal information in high-pressure system CAN by high pressure CAN diagnostic ports；Entire car controller passes through
Power CAN diagnostic ports can diagnose each nodal information in dynamical system CAN；Instrumentation module is examined by vehicle body CAN
Interruptive port can diagnose each nodal information in bodywork system CAN；Instrumentation module can be with by information CAN diagnostic port
Each nodal information in Diagnostic Information System CAN.So as to realize being realized to whole in entire car controller and instrumentation module
Car Information Field is monitored.High pressure CAN diagnostic ports and power CAN diagnostic ports are arranged on entire car controller, by vehicle body CAN
Diagnostic port and information CAN diagnostic port are arranged on instrumentation module, and port is supervised at entire car controller and instrumentation module
Survey is conducive to maintenance convenient and design optimization.
It is different from plug-in Bus network system to be：The concrete subsystem connected on partial bus has necessarily
Difference, as shown in Fig. 2 high-pressure system CAN connection subsystem have battery management system, mair motor controller, charge
Control system, steering control system, cooling control module etc., these subsystems connect high-pressure system CAN by corresponding node
Bus.Each node in high-pressure system CAN realizes information exchange by high-pressure system CAN.
The subsystem of dynamical system CAN connection has gear panel, vehicle monitoring system, retarder, ABS+ASR+
ESC/ESB, adaptive cruise ACC, drive recorder etc., by corresponding node dynamical system CAN is connected.Dynamical system
Each node in CAN realizes information exchange by dynamical system CAN.
Simultaneously gateway is used as by entire car controller, is not only able to realize each node work(in high-pressure system CAN
Can normally run, and realize high-pressure system CAN for information about between the relevant information of dynamical system CAN
Transmission.
The subsystem of bodywork system CAN connection has front power module, top control module, rear portion control module etc.,
Bodywork system CAN is connected by corresponding node.Each node in bodywork system CAN passes through bodywork system CAN
Bus realizes information exchange.Bodywork system CAN can be realized for information about as gateway by vehicle body main control module
And the transmission between the information of power CAN, so as to each nodal function for realizing bodywork system CAN normally runs.
The subsystem connected in information system CAN has tire pressure alarm system, multi-functional steering wheel, centralized lubrication system
System, intelligent public transportation system etc..Each node in information system CAN realizes information exchange by information system CAN.
Simultaneously by instrumentation module as gateway realize bodywork system CAN for information about with the information of information system CAN
Between transmission, so as to each nodal function for realizing information system CAN normally runs.
Prior art is belonged to each control subsystem of corresponding CAN connection in above-mentioned two embodiment, that
, just no longer the 26S Proteasome Structure and Function of each control subsystem is described in detail.
The CAN system that can be seen that the utility model offer by above-mentioned two embodiment is widely used, except suitable
For can be applicable to other kinds of vehicle outside above two vehicle, and it is possible to find out, according to different types of car
, the subsystem connected in each system CAN bus might have trickle gap, and this is relevant with the particular type of vehicle.
So, on the basis of basic ideas of the present utility model are met, no matter what the control subsystem connected in each CAN has
Change is planted, for those of ordinary skill in the art, and creative work need not be spent.Without departing from original of the present utility model
Change, modification, replacement and the modification carried out to embodiment in the case of reason and spirit still falls within protection model of the present utility model
In enclosing.
Claims (7)
1. a kind of Full-vehicle CAN bus network system, including power CAN and vehicle body CAN, both are connected by the first gateway
Connect, it is characterised in that also including high pressure CAN and information CAN, the high pressure CAN and the power CAN
Connected by the second gateway, the vehicle body CAN is connected with described information CAN by the 3rd gateway.
2. Full-vehicle CAN bus network system according to claim 1, it is characterised in that first gateway is arranged on car
On body main control module, second gateway is arranged on entire car controller, and the 3rd gateway is arranged on instrumentation module.
3. Full-vehicle CAN bus network system according to claim 2, it is characterised in that arrange on the entire car controller
There are high pressure CAN diagnostic ports and power CAN diagnostic ports, high pressure CAN connects full-vehicle control by high pressure CAN diagnostic ports
Device, power CAN connects entire car controller by power CAN diagnostic ports；Vehicle body CAN diagnosis end is provided with instrumentation module
Mouth and information CAN diagnostic port, vehicle body CAN connects instrumentation module by vehicle body CAN diagnostic ports, and information CAN is led to
Cross information CAN diagnostic port connection instrumentation module.
4. Full-vehicle CAN bus network system according to claim 1, it is characterised in that connect in the high pressure CAN
Control subsystem at least battery management system and mair motor controller.
5. Full-vehicle CAN bus network system according to claim 1, it is characterised in that connect in the power CAN
Control subsystem at least gear panel.
6. Full-vehicle CAN bus network system according to claim 1, it is characterised in that connect in the vehicle body CAN
At least anterior power module of control subsystem.
7. Full-vehicle CAN bus network system according to claim 1, it is characterised in that connect in described information CAN
Control subsystem at least tire pressure alarm system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070415.7U CN206162187U (en) | 2016-09-21 | 2016-09-21 | Whole vehicle CAN bus network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070415.7U CN206162187U (en) | 2016-09-21 | 2016-09-21 | Whole vehicle CAN bus network system |
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| CN206162187U true CN206162187U (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621070415.7U Active CN206162187U (en) | 2016-09-21 | 2016-09-21 | Whole vehicle CAN bus network system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557326A (en) * | 2018-05-30 | 2019-12-10 | 陕西重型汽车有限公司 | vehicle-mounted intelligent remote gateway |
| CN111162982A (en) * | 2018-11-08 | 2020-05-15 | 湖南中车时代电动汽车股份有限公司 | Power system CAN network topological structure and new energy automobile |
-
2016
- 2016-09-21 CN CN201621070415.7U patent/CN206162187U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557326A (en) * | 2018-05-30 | 2019-12-10 | 陕西重型汽车有限公司 | vehicle-mounted intelligent remote gateway |
| CN110557326B (en) * | 2018-05-30 | 2021-10-08 | 陕西重型汽车有限公司 | Vehicle-mounted intelligent remote gateway |
| CN111162982A (en) * | 2018-11-08 | 2020-05-15 | 湖南中车时代电动汽车股份有限公司 | Power system CAN network topological structure and new energy automobile |
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| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |