CN205176644U - Analytic system of car CAN bus - Google Patents
Analytic system of car CAN bus Download PDFInfo
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- CN205176644U CN205176644U CN201520816467.3U CN201520816467U CN205176644U CN 205176644 U CN205176644 U CN 205176644U CN 201520816467 U CN201520816467 U CN 201520816467U CN 205176644 U CN205176644 U CN 205176644U
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Abstract
The utility model provides an analytic system of car CAN bus, it includes: first bus channel signal end is connected to the engine data parametric signal end, USB module signal end is connected to first bus channel signal output, USB module signal is held alternately and is connected data monitoring platform usb signal end, whole car data parametric signal end connection second bus channel signal end, USB module signal end is connected to second bus channel signal output, first bus channel signal end is connected the CAN bus and is forwardded control module signal end, second bus channel signal end is connected the CAN bus and is forwardded control module signal end, the CAN bus is forwardded the control module signal and is held connection USB module signal end alternately, USB module connected signal data monitoring platform data interaction end. The utility model discloses guarantee accurate analysis engine and whole car, make things convenient for those skilled in the art to carry out vehicle data analysis.
Description
Technical field
The utility model relates to field of automobile control, particularly relates to a kind of automobile CAN-bus resolution system.
Background technology
The autonomous disappearance of Chinese automobile parts core technology, be the weakness of Chinese Automobile Industry, this situation is also reflected in CAN always.At present, passenger car product more than domestic low and middle-end substantially all adopts CAN technology, and the degree of application is different, and overall market scale is roughly more than 80% of passenger car annual production.The application of passenger car CAN technology, from joint brand, is provided by original provision in set business of foreign side of joint venture, is embedded in their specific vehicle.In domestic key passenger car enterprise, joint venture occupies larger ratio, and independent brand enterprise does not also complete due to the technological accumulation of self, so the market of passenger vehicle body control system electronic product is almost occupied by the electronic product supplier of famous foreign, as continent (Siemens VDO), Denso, Delphi etc.Therefore, the market of car bussing technique is captured by overseas enterprise substantially.
CAN carries most data interactions of each controller, is the neural network that automobile controls.Resolve passenger car CAN data, both can make technical support for engine performance measuring assessment technique; Also can serve for Che Qi manufacturer, break bussing technique barrier, make its freedom, compete with external original equipment manufacturer liberally.But prior art not going deep at this area research, this just needs those skilled in the art badly and solves corresponding technical matters.
Utility model content
The utility model is intended at least solve the technical matters existed in prior art, especially innovatively proposes a kind of automobile CAN-bus resolution system.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of automobile CAN-bus resolution system, and it comprises: CAN forwards control module, the first bus run, the second bus run, USB module, data monitoring platform;
Engine data parameter signal end connects the first bus run signal end, described first bus run signal output part connects USB module signal end, described USB module signal interaction end connection data monitoring platform usb signal end, car load data parameters signal end connects the second bus run signal end, described second bus run signal output part connects USB module signal end, described first bus run signal end connects CAN and forwards control module signal end, described second bus run signal end connects CAN and forwards control module signal end, described CAN forwards control module signal interaction end and connects USB module signal end, described USB module signal end connection data monitoring platform data interaction end.
The beneficial effect of technique scheme is: automobile CAN-bus resolution system, data display real-time is high, be easy to operation and analyze, realize display and the change contrast of CAN data, be connected CAN forwarding control module by engine with car load and carry out data transmission and analysis, ensure accurate analysis engine and car load, facilitate those skilled in the art to carry out vehicle data analysis.
Described automobile CAN-bus resolution system, preferably, described USB module comprises: a USB end points and the 2nd USB end points, to be modified and send the object reaching comparing and parsing by USB to CAN data,
A described USB end point signal end connects the first bus run signal end and the second bus run signal end, a described USB end point signal interaction end connection data monitoring platform data interaction end, described 2nd USB end point signal end connects CAN and forwards control module signal end, described 2nd USB end point signal interaction end connection data monitoring platform data interaction end.
The beneficial effect of technique scheme is: the data being received engine and car load by a USB end points, connect CAN by the 2nd USB end points and forward control module, carry out data transmission respectively, improve data transmission efficiency, data monitoring platform can obtain data message faster.
Described automobile CAN-bus resolution system, preferably, described CAN forwards control module and comprises: CAN and microprocessor;
Described CAN connects the first bus run signal, the second bus run signal end and USB end point signal end respectively, and described microprocessor signals control end connects CAN signal control end.
Described automobile CAN-bus resolution system, preferably, described microprocessor is MK60DN512ZVLQ10.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
Automobile CAN-bus resolution system, data display real-time is high, be easy to operation and analyze, realize display and the change contrast of CAN data, the CAN agreement of resolving not only is designed with reference to CAN, and for explore engine, variator, data interaction between car load steering logic lay a good foundation.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is overall circuit figure of the present utility model;
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1, the utility model provides a kind of automobile CAN-bus resolution system, and it comprises: CAN forwards control module, the first bus run, the second bus run, USB module, data monitoring platform;
Engine data parameter signal end connects the first bus run signal end, described first bus run signal output part connects USB module signal end, described USB module signal interaction end connection data monitoring platform usb signal end, car load data parameters signal end connects the second bus run signal end, described second bus run signal output part connects USB module signal end, described first bus run signal end connects CAN and forwards control module signal end, described second bus run signal end connects CAN and forwards control module signal end, described CAN forwards control module signal interaction end and connects USB module signal end, described USB module signal end connection data monitoring platform data interaction end.
The beneficial effect of technique scheme is: automobile CAN-bus resolution system, data display real-time is high, be easy to operation and analyze, realize display and the change contrast of CAN data, be connected CAN forwarding control module by engine with car load and carry out data transmission and analysis, ensure accurate analysis engine and car load, facilitate those skilled in the art to carry out vehicle data analysis.
Described automobile CAN-bus resolution system, preferably, described USB module comprises: a USB end points and the 2nd USB end points, to be modified and send the object reaching comparing and parsing by USB to CAN data,
A described USB end point signal end connects the first bus run signal end and the second bus run signal end, a described USB end point signal interaction end connection data monitoring platform data interaction end, described 2nd USB end point signal end connects CAN and forwards control module signal end, described 2nd USB end point signal interaction end connection data monitoring platform data interaction end.
The beneficial effect of technique scheme is: the data being received engine and car load by a USB end points, connect CAN by the 2nd USB end points and forward control module, carry out data transmission respectively, improve data transmission efficiency, data monitoring platform can obtain data message faster.
Described automobile CAN-bus resolution system, preferably, described CAN forwards control module and comprises: CAN and microprocessor;
Described CAN connects the first bus run signal, the second bus run signal end and USB end point signal end respectively, and described microprocessor signals control end connects CAN signal control end.
The purpose of this utility model fills up the blank of automobile CAN-bus analytic technique, the display that usage monitoring system is real-time and eye-catching, by reaching the object of comparing to the amendment of CAN data and transmission, thus completes automobile CAN-bus Data Analysis.
Automobile CAN-bus resolution system, comprises CAN data acquisition, usb communication, CAN data monitoring, data record, data analysis function.
System is made up of CAN harvester, data monitoring platform.
The microprocessor of 32 ARMCrotex-M4 core controller MK60DN512ZVLQ10 as system of Freescale company selected by CAN harvester, interior nucleus band DSP instruction, performance can reach 1.25DMIPS/MHz and the running frequency up to 100MHz, there is the FlexNVM up to 512KB and the SRAM up to 128KB, possess 1 way USB2.0 passage and 2 tunnel CAN passages at full speed.Although use independently USB driving chip also can transmit the data of collection, middle more than once transmitting procedure and storage buffering, affect all to some extent on the real-time of data transmission and process in real time.USB and CAN passage concentrates in chip piece and can complete data transmission and data processing fast.
Data monitoring platform uses C# language to write, the CAN data gathered and the real-time control sent CAN data is received by self-defined usb communication agreement, possess real-time monitor data to be sent at different interchannel, Update Table, the function of data record and reproduction recording process, so that to data analysis, thus the CAN parsing this physical data sends agreement.
CAN harvester possesses microcontroller MK60DN512ZVLQ10, and 1 tunnel is USB2.0 passage and 2 tunnel CAN passages, power module, USB, debugging JTAG mouth at full speed; Data monitoring platform possesses the monitoring window corresponding with passage, sends the function of setting, data modification, is communicated to connect by self-defined usb communication agreement and microcontroller.
Shown in automobile CAN-bus resolution system schematic diagram accompanying drawing 1, between the car load originally directly connected and engine, access CAN harvester, and engine and car load CAN are disconnected.Then the passage 1 of bus collection device connects car load CAN, and passage 0 connecting engine CAN, is connected without CAN between engine with car load.The CAN data that passage 1, passage 0 gather by microcontroller are transferred to monitor supervision platform by self-defining usb communication agreement and USB port, monitor supervision platform is decoded to usb communication agreement, take out the CAN data of passage 1 and passage 0, use window 1, window 0 carry out showing and record respectively.Select the data needing to send or revise, in the window after amendment, transmission is set, microcontroller is passed to by usb communication agreement, microcontroller is through usb communication protocol-decoding, obtain steering order, according to command content, data are processed by forwarding control module, thus amended for car load end data are sent to engine by passage 0, after the data modification in like manner selection of engine sent, send to car load by passage 1.The physical data monitored by data and other modes of record is compared, thus analyzes the CAN protocol data of this physical data.
Software program involved by the utility model is well known to those skilled in the art.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (4)
1. an automobile CAN-bus resolution system, is characterized in that, comprising: CAN forwards control module, the first bus run, the second bus run, USB module, data monitoring platform;
Engine data parameter signal end connects the first bus run signal end, described first bus run signal output part connects USB module signal end, described USB module signal interaction end connection data monitoring platform usb signal end, car load data parameters signal end connects the second bus run signal end, described second bus run signal output part connects USB module signal end, described first bus run signal end connects CAN and forwards control module signal end, described second bus run signal end connects CAN and forwards control module signal end, described CAN forwards control module signal interaction end and connects USB module signal end, described USB module signal end connection data monitoring platform data interaction end.
2. automobile CAN-bus resolution system according to claim 1, is characterized in that, described USB module comprises: a USB end points and the 2nd USB end points, to be modified and send the object reaching comparing and parsing by USB to CAN data,
A described USB end point signal end connects the first bus run signal end and the second bus run signal end, a described USB end point signal interaction end connection data monitoring platform data interaction end, described 2nd USB end point signal end connects CAN and forwards control module signal end, described 2nd USB end point signal interaction end connection data monitoring platform data interaction end.
3. automobile CAN-bus resolution system according to claim 1, is characterized in that, described CAN forwards control module and comprises: CAN and microprocessor;
Described CAN connects the first bus run signal, the second bus run signal end and USB end point signal end respectively, and described microprocessor signals control end connects CAN signal control end.
4. automobile CAN-bus resolution system according to claim 3, is characterized in that, described microprocessor is MK60DN512ZVLQ10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520816467.3U CN205176644U (en) | 2015-10-20 | 2015-10-20 | Analytic system of car CAN bus |
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| CN201520816467.3U CN205176644U (en) | 2015-10-20 | 2015-10-20 | Analytic system of car CAN bus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819882A (en) * | 2018-08-03 | 2018-11-16 | 中国汽车工程研究院股份有限公司 | A kind of new-energy automobile CAN bus signal resolution method |
| CN108944742A (en) * | 2018-08-03 | 2018-12-07 | 中国汽车工程研究院股份有限公司 | A kind of new-energy automobile CAN bus signal resolution circuit |
| CN112415983A (en) * | 2020-11-18 | 2021-02-26 | 中国汽车工程研究院股份有限公司 | Working method for signal analysis of whole vehicle |
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2015
- 2015-10-20 CN CN201520816467.3U patent/CN205176644U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819882A (en) * | 2018-08-03 | 2018-11-16 | 中国汽车工程研究院股份有限公司 | A kind of new-energy automobile CAN bus signal resolution method |
| CN108944742A (en) * | 2018-08-03 | 2018-12-07 | 中国汽车工程研究院股份有限公司 | A kind of new-energy automobile CAN bus signal resolution circuit |
| CN108819882B (en) * | 2018-08-03 | 2023-07-07 | 中国汽车工程研究院股份有限公司 | New energy automobile CAN bus signal analysis method |
| CN112415983A (en) * | 2020-11-18 | 2021-02-26 | 中国汽车工程研究院股份有限公司 | Working method for signal analysis of whole vehicle |
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