CN110120904A - Entire car controller local area network message demarcates monitoring device - Google Patents
Entire car controller local area network message demarcates monitoring device Download PDFInfo
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- CN110120904A CN110120904A CN201910306485.XA CN201910306485A CN110120904A CN 110120904 A CN110120904 A CN 110120904A CN 201910306485 A CN201910306485 A CN 201910306485A CN 110120904 A CN110120904 A CN 110120904A
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- China
- Prior art keywords
- pin
- plug
- unit
- interface
- diagnostic interface
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Classifications
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention discloses a kind of vehicle CAN network messages to demarcate monitoring device, and car diagnostic interface is integrated with expansion board interlocking, and two RS232 plug-in units and a LED light are arranged in expansion board.16th pin of car diagnostic interface connects positive pole；4th, 5 pins connect cathode, and the 11st pin is the end CAN-L1；3rd pin is the end CAN-H1, and the 6th pin is the end CAN-H2；14th pin is the end CAN-L2.2nd pin of the first RS232 plug-in unit is the end CAN-L1, the 7th pin is the end CAN-H1, which is used for the calibration of bus message.2nd pin of the 2nd RS232 plug-in unit is the end CAN-L2, the 7th pin is the end CAN-H2, which is used for the monitoring of bus message.The present invention may be implemented a computer while carry out the calibration and monitoring of vehicle CAN network message, check calibration result to realize and be monitored while calibration to the message in vehicle network bus.
Description
Technical field
The invention belongs to automobile electronic information controls, and in particular to one kind is for demarcating test vehicle CAN (controller local
Network) information device.
Background technique
CAN is the abbreviation of controller local area network (Controller Area Network), is by research and develop and produce vapour
The famous German BOSCH company exploitation of vehicle electronic product, and international standard (ISO 11898) is eventually become, it is to answer in the world
With one of widest fieldbus.In North America and West Europe, CAN bus agreement has become Computer Controlled System for Vehicle and embedding
Enter the STD bus of formula manufactureing automation LAN, and possesses and aim at large-sized truck and heavy industry mechanical car by underlying protocol of CAN
Design J1939 agreement.
As VI regulation of state is issued and implemented, the CAN message of the other components of engine extremely vehicle is proposed explicitly
It is required that.The accuracy of CAN network message information directly affects electric-control motor and whether the other associated components of vehicle can be normal
Operation, and stablize in optimum state.Information is transmitted by CAN network in time when a certain component malfunction, makees engine
Corresponding safeguard measure out, and remind driver.The message information of CAN bus is by ECU (electronic control unit, also known as driving electricity
Brain), DCU (aftertreatment control unit), instrument, the portions such as ABS (having many advantages, such as anti-skidding, anti-locking vehicle safety control system)
Part is separately sent in CAN bus, and each message information in CAN bus needs to synchronize in exploitation calibration process is supervised
It surveys, proposition of the invention may be implemented with same computer while connect ETAS (the attached input unit of ECU) and ValueCAN (even
Connect the portable tool of PC and CAN network), ETAS carries out the data scaling of message, and ValueCAN supervises bus message in real time
Control or analog message are sent.
Summary of the invention
The object of the present invention is to provide a kind of devices can vehicle CAN bus message be demarcated and be monitored simultaneously.
Structural principle of the invention is illustrated below by way of in conjunction with attached drawing.
It includes: car diagnostic interface, RS232 plug-in unit, LED indication that entire car controller local area network message, which demarcates monitoring device,
Lamp etc..Car diagnostic interface is integrated with expansion board interlocking, and two RS232 plug-in units and a LED indication are arranged in expansion board
Lamp.Its plug-in connecting structure is: two power supplys of A, B and LED light on the 16th pin of car diagnostic interface and expansion board
Anode connection；After car diagnostic interface the 4th, the connection of 5 pins with C, D two power supplys and LED light in expansion board
Cathode connection；The 11st pins in parallel of car diagnostic interface is in the 2nd pin of first resistor and the first RS232 plug-in unit；Onboard diagnostics connects
The 3rd leads ends of mouth are parallel to the 7th pin of first resistor and the first RS232 plug-in unit；6th leads ends of car diagnostic interface are in parallel
In the 7th pin of second resistance and the 2nd RS232 plug-in unit；The 14th pins in parallel of car diagnostic interface is in second resistance and second
2nd pin of RS232 plug-in unit.
Above-mentioned car diagnostic interface pin or RS232 plug-in unit pin are specifically used as: the 16th pin of car diagnostic interface is made
For positive pole；Car diagnostic interface the 4th, 5 pins are as power cathode；The 11st pin of car diagnostic interface and the first RS232
The 2nd pin of plug-in unit is as the end CAN-L1；7th pin of the 3rd pin of car diagnostic interface and the first RS232 plug-in unit is as CAN-H1
End；6th pin of car diagnostic interface and the 7th pin of the 2nd RS232 plug-in unit are as the end CAN-H2；The of car diagnostic interface
2nd pin of 14 pins and the 2nd RS232 plug-in unit is the end CAN-L2.
The features of the present invention and beneficial effect are: may be implemented using the present invention with a computer while carrying out vehicle local
The calibration and monitoring of network message are not necessarily to other attached power supply units, and data transmission security is stablized, and simplify development process, and
Reduce workload.
Detailed description of the invention
Fig. 1 is the structure diagram of apparatus of the present invention.
Fig. 2 is each member connection structure figure of the embodiment of the present invention.
Specific embodiment
Structural principle of the invention is described further below in conjunction with attached drawing and by embodiment.
Entire car controller local area network message demarcates monitoring device, including car diagnostic interface, RS232 plug-in unit, LED indication
Lamp, ETAS (the attached input unit of ECU) and ValueCAN (portable tool of connection PC and CAN network) etc..The present invention will be vehicle-mounted
Diagnosis interface is integrated with expansion board interlocking, and two RS232 plug-in units and a LED light are arranged in expansion board.Specifically set
Setting structure is:
The anode of two power supplys of A, B and LED light 3 on the 16th pin of car diagnostic interface 1 and expansion board 2 is even
It connects；It is connect after car diagnostic interface the 4th, the connection of 5 pins with the cathode of two power supplys of C, D in expansion board and LED light；
The 11st pins in parallel of car diagnostic interface is in the 2nd pin of first resistor 4-1 and the first RS232 plug-in unit 5-1；Car diagnostic interface
3 leads ends are parallel to the 7th pin of first resistor and the first RS232 plug-in unit；6th leads ends of car diagnostic interface are parallel to
The 7th pin of two resistance 4-2 and the 2nd RS232 plug-in unit 5-2；The 14th pins in parallel of car diagnostic interface is in second resistance and second
2nd pin of RS232 plug-in unit.All tie points do insulation processing with heat-shrink tube using welding.
Above-mentioned car diagnostic interface pin and RS232 plug-in unit pin is defined as: the 16th pin of car diagnostic interface
For positive pole；4th, 5 pins are power cathode；11st end pin CAN-L1；3rd pin is the end CAN-H1；6th pin is
The end CAN-H2；14th pin is the end CAN-L2.2nd pin of the first RS232 plug-in unit is the end CAN-L1；First RS232 plug-in unit
7th pin is the end CAN-H1；2nd pin of the 2nd RS232 plug-in unit is the end CAN-L2；7th pin of the 2nd RS232 plug-in unit is
The end CAN-H2.The resistance value of first and second resistance is identical, is 120 Ω.
The 3rd pin (CAN-H1) of car diagnostic interface and the 11st pin (CAN-L1) are monitored for bus message；It is vehicle-mounted
Diagnosis the 6th pin (CAN-H2) of interface and the 14th pin (CAN-L2) are demarcated for bus message.
Car diagnostic interface is the standard diagnostics mouth for connecting vehicle OBD (onboard diagnostic system), the connection of the 2nd RS232 plug-in unit
ETAS demarcates CAN；First RS232 plug-in unit connects ValueCAN and diagnoses CAN, ETAS connection notebook-computer network-interface, ValueCAN
Notebook computer USB is connected, checks mark to realize and be monitored while calibration to the message in vehicle network bus
Determine result.
Car diagnostic interface upper layer and lower layer pin puts in order are as follows: upper layer is 1-8 from right to left；Lower layer is from right to left
It is 9-16.Two RS232 plug-in unit upper layer and lower layer pins put in order are as follows: lower layer is 1-5 from left to right；Upper layer is from left to right
It is 6-9
Specifically used process: car diagnostic interface is connected to vehicle OBD, and (On Board Diagnostics is vehicle-mounted to be examined automatically
Disconnected system) standard diagnostics mouth on, the calibration CAN of ETAS is connected to the calibration of the enterprising row bus message of the 2nd RS232 plug-in unit,
ValueCAN diagnosis CAN, which is connected on the first RS232 plug-in unit, is monitored bus message.
Claims (5)
1. entire car controller local area network message demarcates monitoring device, including car diagnostic interface, RS232 plug-in unit, LED indication
The attached input unit of lamp, electronic control unit and connection computer and controller local area network's portable tool, it is characterized in that:
Car diagnostic interface is integrated with expansion board interlocking, and two RS232 plug-in units and a LED light, vehicle are arranged in expansion board
Diagnosis the 16th pin of interface (1) is carried to connect with the anode of two power supplys of A, B and LED light (3) on expansion board (2)；Vehicle
It is connect after carrying diagnosis interface the 4th, the connection of 5 pins with the cathode of two power supplys of C, D in expansion board and LED light；It is vehicle-mounted
The 11st pins in parallel of interface is diagnosed in the 2nd pin of first resistor (4-1) and the first RS232 plug-in unit (5-1)；Car diagnostic interface
3 leads ends are parallel to the 7th pin of first resistor and the first RS232 plug-in unit；6th leads ends of car diagnostic interface are parallel to
7th pin of two resistance (4-2) and the 2nd RS232 plug-in unit (5-2)；The 14th pins in parallel of car diagnostic interface in second resistance and
2nd pin of the 2nd RS232 plug-in unit.
2. entire car controller local area network message described in accordance with the claim 1 demarcates monitoring device, it is characterized in that: described vehicle-mounted
The 16th pin for diagnosing interface is positive pole；The car diagnostic interface the 4th, 5 pins are power cathode；The onboard diagnostics
The 11st pin of interface is the end CAN-L1；The 2nd pin of first RS232 plug-in unit is the end CAN-L1；The car diagnostic interface the 3rd
Pin is the end CAN-H1；7th pin of the first RS232 plug-in unit is the end CAN-H1；6th pin of car diagnostic interface is
The end CAN-H2；7th pin of the 2nd RS232 plug-in unit is the end CAN-H2；14th pin of the car diagnostic interface is
The end CAN-L2；2nd pin of the 2nd RS232 plug-in unit is the end CAN-L2.
3. entire car controller local area network message described in accordance with the claim 1 demarcates monitoring device, it is characterized in that: described vehicle-mounted
The CAN-H1 and CAN-L1 of diagnosis interface are monitored for bus message；The CAN-H2 and CAN-L2 of car diagnostic interface are to use
It is demarcated in bus message.
4. entire car controller local area network message described in accordance with the claim 1 demarcates monitoring device, it is characterized in that: described second
RS232 plug-in unit connects the attached input unit calibration of electronic control unit；First RS232 plug-in unit connects computer and controller local
Network portable tool carries out fault diagnosis, is monitored while calibration to the message in vehicle network bus to realize
Check calibration result.
5. entire car controller local area network message described in accordance with the claim 1 demarcates monitoring device, it is characterized in that: described first
It is identical with the resistance value of second resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910306485.XA CN110120904A (en) | 2019-04-17 | 2019-04-17 | Entire car controller local area network message demarcates monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910306485.XA CN110120904A (en) | 2019-04-17 | 2019-04-17 | Entire car controller local area network message demarcates monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN110120904A true CN110120904A (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910306485.XA Pending CN110120904A (en) | 2019-04-17 | 2019-04-17 | Entire car controller local area network message demarcates monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115314339A (en) * | 2022-08-04 | 2022-11-08 | 潍柴动力股份有限公司 | CAN channel calibration amount duplicate checking method, duplicate checking device, processor and vehicle |
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| CN108471034A (en) * | 2018-01-25 | 2018-08-31 | 北汽福田汽车股份有限公司 | The converting system of translation interface and OBD interfaces applied to OBD interfaces |
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| US20190104149A1 (en) * | 2017-10-03 | 2019-04-04 | George Mason University | Hardware module-based authentication in intra-vehicle networks |
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| CN206270755U (en) * | 2016-11-04 | 2017-06-20 | 北京汽车研究总院有限公司 | A kind of onboard diagnostic system adapter and automobile |
| US20190104149A1 (en) * | 2017-10-03 | 2019-04-04 | George Mason University | Hardware module-based authentication in intra-vehicle networks |
| CN108471034A (en) * | 2018-01-25 | 2018-08-31 | 北汽福田汽车股份有限公司 | The converting system of translation interface and OBD interfaces applied to OBD interfaces |
| CN208489494U (en) * | 2018-03-03 | 2019-02-12 | 深圳卓泰达电子科技有限公司 | A kind of two-way access wire rod based on the port vehicle OBD |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115314339A (en) * | 2022-08-04 | 2022-11-08 | 潍柴动力股份有限公司 | CAN channel calibration amount duplicate checking method, duplicate checking device, processor and vehicle |
| CN115314339B (en) * | 2022-08-04 | 2023-06-23 | 潍柴动力股份有限公司 | Weight checking method and device for CAN channel standard quantity, processor and vehicle |
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Application publication date: 20190813 |
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