CN203567661U - Automobile can bus controller - Google Patents
Automobile can bus controller Download PDFInfo
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- CN203567661U CN203567661U CN201320621772.8U CN201320621772U CN203567661U CN 203567661 U CN203567661 U CN 203567661U CN 201320621772 U CN201320621772 U CN 201320621772U CN 203567661 U CN203567661 U CN 203567661U
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Abstract
The utility model relates to an automobile CAN bus controller which comprises a CPU, a CAN receiver and sender, a serial port level switching device, a power supply, an EMI processing circuit, a CAN bus communication line, a serial port communication line, a driving system bus, a chassis control system bus and an auxiliary system bus. The system buses are connected in parallel through an independent gateway, the driving system bus comprises a motor controller in parallel connection, a complete machine controller and a battery management system, an automobile body control system is connected with the CPU through the CAN bus communication line, an automobile electrical appliance module is connected with the CPU through the serial port communication line, the EMI processing circuit is respectively connected with an MCU and a serial port level converting device, the MCU is connected with the serial port level converting device, a power supply is respectively connected with the EMI processing circuit, the MCU, the CAN receiver and sender and the serial port level converting device, and the CAN receiver and sender is connected with the MCU and the serial port level converting device. The automobile CAN bus controller can achieve communication between an automobile body and electrical appliance parts inside the automobile body and flexible and efficient communication of the parts of the automobile.
Description
Technical field
The utility model relates to automobile control technology field, particularly a kind of automobile CAN-bus control system.
Background technology
CAN (Controller Area Network, controller local area network) is the serial communication protocol of ISO international standarkdization.Due to automotive control system complexity, between each controller, there is a large amount of data transmission.In order to guarantee the transmitting of data and to optimize car load wire harness, CAN bus is generally applied on automobile.Domestic Control of Electric Vehicles bus is used single network segment and two network segment systems more.Wherein, single network segment is all car load controllers all to be accessed to same bus control.Two network segment systems are generally divided into power system bus and body control system bus.Electronlmobil needs the data of collection, transmission very many, as battery pack information, electric machine control etc.Therefore the load of simultaneously using same bus easily to increase car load bus by multiple controllers, causes real-time compared with high control message delay, compared with progress, to affect performance and the safety of car load.
At present, in traditional automobile, each electrical appliance part works independently, and does not communicate, and is unfavorable for high efficiency and the safety of the transmission of automotive interior electric appliance data.The CAN bus controller in the past occurring is the communication protocol mode by IR when communicating by letter with each electric component, and transmission rate is low, poor anti jamming capability, thus reliability is low.Along with the development of auto-industry, automotive electronic technology forward is concentrated Comprehensive Control development at present, pass through Body Control, each electrical appliance module is connected by bus, each subsystem is coordinated, road holding is controlled to optimum level, media play technology, network technology etc. are introduced to automobile electronic system simultaneously, form multi-faceted information platform.But along with automobile electronic module quantity is more and more, more and more stricter to the space requirement of each module, and also antagonism interference requirement is more and more higher.
Utility model content
The utility model object is, provide a kind of and can overcome that existing automobile bus control is used same bus by multiple controllers and the load that causes increasing the weight of car load bus simultaneously, cause real-time compared with progress, to affect the shortcomings such as the performance of car load and safety compared with high control message delay.
The technical solution of the utility model is:
A kind of Automobile CAN bus controller, comprises CPU, CAN transceiver, serial ports level converter, power supply, EMI treatment circuit, CAN bus communication line and serial communication line, drive system bus, chassis control system bus and ancillary system bus, between described above-mentioned each system bus, by standalone gateway, be connected in parallel, drive system bus comprises the electric machine controller being connected in parallel, complete machine controller and battery management system, chassis control system bus comprises the steering control system being connected in parallel, suspension control system and ABS, ancillary system bus comprises the BAS (Brake Assist System) being connected in parallel, steering assist system, combination instrument and car body controller, the expansion bus of the multiple controller composition body control systems that are connected in parallel, the expansion bus of described body control system is connected with described car body controller, body control system is connected with CPU by CAN bus communication line, car electrics module is connected with CPU by serial communication line, CPU comprises CAN transceiver, serial ports level converter, power supply and EMI treatment circuit, EMI treatment circuit is connected with MCU and serial ports level converter respectively, MCU is connected with serial ports level converter, power supply respectively with EMI treatment circuit, MCU, CAN transceiver is connected with serial ports level converter, CAN transceiver is connected with MCU and serial ports level converter.
The beneficial effects of the utility model are, realize auto body and communicate by letter with inner each electric component, make the each parts of automobile that the Automobile CAN bus controller of communication occur flexible and efficiently.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is connection schematic diagram of the present utility model;
In figure, 1 is CPU; 2 is CAN transceiver; 3 is serial ports level converter; 4 is power supply; 5 is EMI treatment circuit; 6 is CAN bus communication line; 7 is serial communication line.
The specific embodiment
The embodiment setting forth below represents and allows those skilled in the art to put into practice necessary information of the present utility model, and illustrates and put into practice best mode of the present utility model.Once read with reference to the accompanying drawings following description, those skilled in the art just will understand design of the present utility model and will recognize the application of these designs of not illustrating especially herein.Should be appreciated that these designs and application fall into the scope of disclosure and the accompanying claims book.
A kind of Automobile CAN bus controller, comprises CPU, CAN transceiver, serial ports level converter, power supply, EMI treatment circuit, CAN bus communication line and serial communication line, drive system bus, chassis control system bus and ancillary system bus, between described above-mentioned each system bus, by standalone gateway, be connected in parallel, drive system bus comprises the electric machine controller being connected in parallel, complete machine controller and battery management system, chassis control system bus comprises the steering control system being connected in parallel, suspension control system and ABS, ancillary system bus comprises the BAS (Brake Assist System) being connected in parallel, steering assist system, combination instrument and car body controller, the expansion bus of the multiple controller composition body control systems that are connected in parallel, the expansion bus of described body control system is connected with described car body controller, body control system is connected with CPU by CAN bus communication line, car electrics module is connected with CPU by serial communication line, CPU comprises CAN transceiver, serial ports level converter, power supply and EMI treatment circuit, EMI treatment circuit is connected with MCU and serial ports level converter respectively, MCU is connected with serial ports level converter, power supply respectively with EMI treatment circuit, MCU, CAN transceiver is connected with serial ports level converter, CAN transceiver is connected with MCU and serial ports level converter.
Obviously, above-described embodiment is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And these belong to apparent variation that spirit of the present utility model extended out or variation still among protection domain of the present utility model.
Claims (1)
1. an Automobile CAN bus controller, comprises CPU, CAN transceiver, serial ports level converter, power supply, EMI treatment circuit, CAN bus communication line and serial communication line, drive system bus, chassis control system bus and ancillary system bus, between described above-mentioned each system bus, by standalone gateway, be connected in parallel, it is characterized in that: drive system bus comprises the electric machine controller being connected in parallel, complete machine controller and battery management system, chassis control system bus comprises the steering control system being connected in parallel, suspension control system and ABS, ancillary system bus comprises the BAS (Brake Assist System) being connected in parallel, steering assist system, combination instrument and car body controller, the expansion bus of the multiple controller composition body control systems that are connected in parallel, the expansion bus of described body control system is connected with described car body controller, body control system is connected with CPU by CAN bus communication line, car electrics module is connected with CPU by serial communication line, CPU comprises CAN transceiver, serial ports level converter, power supply and EMI treatment circuit, EMI treatment circuit is connected with MCU and serial ports level converter respectively, MCU is connected with serial ports level converter, power supply respectively with EMI treatment circuit, MCU, CAN transceiver is connected with serial ports level converter, CAN transceiver is connected with MCU and serial ports level converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621772.8U CN203567661U (en) | 2013-10-10 | 2013-10-10 | Automobile can bus controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621772.8U CN203567661U (en) | 2013-10-10 | 2013-10-10 | Automobile can bus controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203567661U true CN203567661U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320621772.8U Expired - Fee Related CN203567661U (en) | 2013-10-10 | 2013-10-10 | Automobile can bus controller |
Country Status (1)
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| CN (1) | CN203567661U (en) |
Cited By (1)
| 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 |
-
2013
- 2013-10-10 CN CN201320621772.8U patent/CN203567661U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20141010 |
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| EXPY | Termination of patent right or utility model |