CN207504888U - Multichannel vehicle-mounted CAN Note data analyzers - Google Patents
Multichannel vehicle-mounted CAN Note data analyzers Download PDFInfo
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- CN207504888U CN207504888U CN201721738267.6U CN201721738267U CN207504888U CN 207504888 U CN207504888 U CN 207504888U CN 201721738267 U CN201721738267 U CN 201721738267U CN 207504888 U CN207504888 U CN 207504888U
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- main controller
- power supply
- communication
- note data
- host computer
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Abstract
The utility model discloses a kind of promotion and optimize anti-interference, the multichannel vehicle-mounted CAN Note data analyzers that program operational safety is stablized, including main controller, the host computer interface being connect with host computer is provided on the main controller, and the host computer transmits data by way of bus communication to the main controller；Power supply unit, said supply unit includes the power supply module being integrated on the master control borad and the external power supply power supply unit being connect with the power supply module, the main controller pass through the power supply module powered operation；The main controller is the main controller based on 32 ARM Cotrex M4 core chips, and the communication programming component being connect with the main control chip of the main controller is also integrated on the master control borad.Multichannel vehicle-mounted CAN Note data analyzers provided by the utility model, pass through the processing of 32 bit processors and electromagnetism interference, the periodical time by CAN Note data analyzers can be performed, reduce the workload of host computer, reduce load to host computer procedure.
Description
Technical field
The utility model is related to vehicle CAN bus communication technical field more particularly to a kind of single channel multiframe data periods
Property CAN data send and collection analysis.
Background technology
Current CAN module existing on the market is usually pci interface or USB interface, but about the period hair of CAN data
It send and is all based on what upper computer software was timed, but due to computer system itself or the original of software execution performance
Because of the time inaccuracy that the period is caused to send, and the setting value adjustable extent in period is smaller；
In test bed, due to the influence of servo-drive system, electrical power distribution system, cause CAN bus interference larger, no
Can normally execution cycle property data communication.
Utility model content
The purpose of this utility model is to provide a kind of promotion and optimizes anti-interference, the multichannel vehicle that program operational safety is stablized
Carry CAN Note data analyzers.
To achieve these goals, the utility model provides following technical solution：
Multichannel vehicle-mounted CAN Note data analyzers disclosed in the utility model are integrated on the master control borad of the data analyzer
Have：
Main controller, is provided with the host computer interface being connect with host computer on the main controller, and the host computer pass through it is total
The mode of line communication transmits data to the main controller, and main controller is by judging that data carry out sending and receiving for CAN data；
Power supply unit, said supply unit include being integrated in power supply module on the master control borad and with the power supply
The external power supply power supply unit of component connection, the main controller pass through the power supply module powered operation；
The main controller is the main controller based on 32 ARM-Cotrex M4 core chips, is also integrated on the master control borad
The communication programming component being connect with the main control chip of the main controller；
In addition, the main control chip of the main controller also communication link is connected to CAN communication component.
Further, by changing electromagnetic interference and high-frequency harmonic pair to the size matching of capacitance in CAN communication component
In the influence of CAN bus, the main control chip has the anti-tampering processing circuit component of plate circuit.
Further, the main control chip also has main controller oscillating circuit component.
Further, the CAN communication component is high-speed CAN transceiving chip.
Further, the host computer interface is USB host computer communication interfaces.
Further, which is integrated with the hardware reset communicated to connect with the main control chip and program burn writing list
Member.
Further, the external power supply power supply unit is converted by the voltage of power supply module and provides the voltage source of 3.3V
To the main control chip.
In the above-mentioned technical solutions, multichannel vehicle-mounted CAN Note data analyzers provided by the utility model, pass through 32
The periodical time by CAN Note data analyzers can be performed, reduced by the processing of processor and electromagnetism interference
The workload of position machine reduces load to host computer procedure；
By the correct matching for CAN communication component capacitance, the anti-interference of CAN communication is considerably increased, makes communication
Part can have higher anti-interference redundancy；
By the anti-interference process of whole plate circuit, the harmonic wave of input power is filtered, while master control can be protected
Device chip is not interfered by external strong magnetic, and ring is safely and steadily run for providing for CAN Note data analyzer application programs
Border.
Description of the drawings
It in order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only described in the utility model
Some embodiments, for those of ordinary skill in the art, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the integrated knot of the master control borad of multichannel vehicle-mounted CAN Note data analyzers that the utility model embodiment provides
Structure schematic diagram；
Fig. 2 is the control module signal for the multichannel vehicle-mounted CAN Note data analyzers that the utility model embodiment provides
Figure.
Reference sign：
1st, external power supply power supply unit；2nd, hardware reset and program burn writing unit；3rd, USB host computers communication interface；4th, it is electric
Source component；5th, communicate programming component；6th, the anti-tampering processing circuit component of plate circuit；7th, main control chip；8th, CAN communication component；9th, it is main
Control device oscillating circuit component；10th, host computer；11st, main controller.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the technical solution of the utility model, below in conjunction with attached drawing pair
The utility model is further detailed.
Referring to shown in Fig. 1-2；
The multichannel vehicle-mounted CAN Note data analyzers of the utility model are integrated on the master control borad of the data analyzer：
Main controller 11 is provided with the host computer interface being connect with host computer 10, and host computer 10 is by total on main controller 11
The mode of line communication transmits data to main controller 11, and main controller 11 is by judging that data carry out sending and receiving for CAN data；
Power supply unit, power supply unit include the power supply module 4 that is integrated on master control borad and are connect with power supply module 4
External power supply power supply unit 1, main controller 11 pass through 4 powered operation of power supply module；
Main controller 11 is the main controller based on 32 ARM-Cotrex M4 core chips, be also integrated on the master control borad with
The communication programming component 5 that the main control chip 7 of main controller 11 connects；
In addition, the main control chip 7 of main controller 11 also communication link is connected to CAN communication component 8.
CAN Note data analyzers are using 32 ARM-Cotrex M4 core chips as main controller 11, main control chip 7
Using high-speed CAN transceiving chip；The anti-interference of CAN Note data analyzers is carried out by the specially treated to hardware
It is promoted and optimized, and the also optimization processing of in house software, make time control more accurate.
Preferably, by the size matching of capacitance in CAN communication component 8 is changed electromagnetic interference and high-frequency harmonic for
The influence of CAN bus, main control chip 7 have the anti-tampering processing circuit component 6 of plate circuit.In addition, main control chip 7 also has main controller
Oscillating circuit component 9.CAN communication component 8 is high-speed CAN transceiving chip.Host computer interface is USB host computers communication interface 3.It should
Master control borad is integrated with the hardware reset communicated to connect with main control chip 7 and program burn writing unit 2.Wherein, external power supply power supply is single
Member 1 is converted by the voltage of power supply module 4 voltage source of 3.3V being supplied to main control chip 7.Host computer 10 passes through USB host computers
Communication interface 3 connects CAN Note data analyzers, and main controller 11, main controller are transferred data to by the form of bus communication
11 by judging that data carry out sending and receiving for CAN data；During entire data communication and processing, too busy to get away plate circuit is prevented
Interfere the task performance of processing.By changing electromagnetic interference and harmonic high frequency for the size matching of capacitance in CAN communication component 8
Influence of the wave for CAN bus, while by plate circuit anti-clutter circuit, make CAN Note data analyzer mainboard plate circuits for not
The harmonic wave and electromagnetic interference wave of same frequency have higher adaptability, prevent the bigoted of controlling mechanism, cause program fleet or
Communication mistake.
In the above-mentioned technical solutions, multichannel vehicle-mounted CAN Note data analyzers provided by the utility model, pass through 32
The periodical time by CAN Note data analyzers can be performed, reduced by the processing of processor and electromagnetism interference
The workload of position machine 10 reduces load to 10 program of host computer；
By the correct matching for 8 capacitance of CAN communication component, the anti-interference of CAN communication is considerably increased, makes communication
Part can have higher anti-interference redundancy；
By the anti-interference process of whole plate circuit, the harmonic wave of input power is filtered, while master control can be protected
The chip of device 11 is not interfered by external strong magnetic, is the fortune for providing safety and stability of CAN Note data analyzer application programs
Row environment.
Above certain exemplary embodiments that the utility model is only described by way of explanation, undoubtedly, for
Those of ordinary skill in the art be not interpreted as the limitation to the utility model claims protection domain partially.
Claims (7)
1. multichannel vehicle-mounted CAN Note data analyzers, which is characterized in that be integrated on the master control borad of the data analyzer：
Main controller (11) is provided with the host computer interface being connect with host computer (10), and described upper on the main controller (11)
Machine (10) transmits data by way of bus communication to the main controller (11), and main controller (11) is by judging that data carry out
CAN data send and receive；
Power supply unit, said supply unit include being integrated in power supply module (4) on the master control borad and with the power supply group
The external power supply power supply unit (1) of part (4) connection, the main controller (11) pass through the power supply module (4) powered operation；
The main controller (11) is the main controller based on 32 ARM-Cotrex M4 core chips, is also integrated on the master control borad
The communication programming component (5) being connect with the main control chip (7) of the main controller (11)；
In addition, the main control chip (7) of the main controller (11) also communication link is connected to CAN communication component (8).
2. multichannel vehicle-mounted CAN Note data analyzers according to claim 1, which is characterized in that by CAN communication
The size matching of capacitance changes the influence of electromagnetic interference and high-frequency harmonic for CAN bus, the main control chip in component (8)
(7) there is the anti-tampering processing circuit component (6) of plate circuit.
3. multichannel vehicle-mounted CAN Note data analyzers according to claim 1, which is characterized in that the main control chip
(7) also there is main controller oscillating circuit component (9).
4. multichannel vehicle-mounted CAN Note data analyzers according to claim 1, which is characterized in that the CAN communication group
Part (8) is high-speed CAN transceiving chip.
5. multichannel vehicle-mounted CAN Note data analyzers according to claim 1, which is characterized in that the host computer interface
For USB host computers communication interface (3).
6. multichannel vehicle-mounted CAN Note data analyzers according to claim 1, which is characterized in that the master control borad is integrated with
With the hardware reset and program burn writing unit (2) of the main control chip (7) communication connection.
7. multichannel vehicle-mounted CAN Note data analyzers according to claim 1, which is characterized in that the external power supply supplies
Electric unit (1) is converted by the voltage of power supply module (4) voltage source of 3.3V being supplied to the main control chip (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721738267.6U CN207504888U (en) | 2017-12-13 | 2017-12-13 | Multichannel vehicle-mounted CAN Note data analyzers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721738267.6U CN207504888U (en) | 2017-12-13 | 2017-12-13 | Multichannel vehicle-mounted CAN Note data analyzers |
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| Publication Number | Publication Date |
|---|---|
| CN207504888U true CN207504888U (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721738267.6U Active CN207504888U (en) | 2017-12-13 | 2017-12-13 | Multichannel vehicle-mounted CAN Note data analyzers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900003435A1 (en) * | 2019-03-08 | 2020-09-08 | St Microelectronics Srl | COMPENSATION PROCEDURE FOR ELECTROMAGNETIC EMISSIONS, CORRESPONDING CIRCUIT AND DEVICE |
-
2017
- 2017-12-13 CN CN201721738267.6U patent/CN207504888U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900003435A1 (en) * | 2019-03-08 | 2020-09-08 | St Microelectronics Srl | COMPENSATION PROCEDURE FOR ELECTROMAGNETIC EMISSIONS, CORRESPONDING CIRCUIT AND DEVICE |
| EP3706333A1 (en) * | 2019-03-08 | 2020-09-09 | STMicroelectronics Srl | A method of compensating electromagnetic emissions, corresponding circuit and device |
| US11296910B2 (en) | 2019-03-08 | 2022-04-05 | Stmicroelectronics S.R.L. | Method of compensating electromagnetic emissions, corresponding circuit and device |
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