CN204129514U - A kind of detection device for electronic control unit based on FlexRay bus - Google Patents
A kind of detection device for electronic control unit based on FlexRay bus Download PDFInfo
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- CN204129514U CN204129514U CN201420582698.8U CN201420582698U CN204129514U CN 204129514 U CN204129514 U CN 204129514U CN 201420582698 U CN201420582698 U CN 201420582698U CN 204129514 U CN204129514 U CN 204129514U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a kind of detection device for electronic control unit based on FlexRay bus, for connecting and detected electrons control module, it comprises power supply, interconnecting module, output board card, detection board, FlexRay bus and host computer; Wherein power supply links with described electronic control unit, interconnecting module, output board card, check-out console respectively and connects, and provides working power for it; Interconnecting module respectively with output board card, detect board and electronic control unit is connected; All communication is connected by described FlexRay bus between interconnecting module, output board card, detection board, electronic control unit and host computer.The utility model only can need realize carrying out Function detection to the input and output of electronic control unit by the simple control of host computer, and host computer judges according to examination criteria each Air conduct measurement result, show and preserves.This detection system has the advantages such as simple to operate, accuracy of detection is high, efficiency is high, localization of fault is accurate.
Description
Technical field
The utility model relates to technical field of automobile electronic control, refers to a kind of detection device for electronic control unit based on FlexRay bus especially.
Background technology
All kinds of vehicle-mounted electronic control unit all will carry out various test to sample when researching and developing and produce in batches, all will carry out Function detection to it, to determine its reliability, stability etc. in the front and back of test.And mainly refer to detect the input and output basic function of its each passage to the Function detection of electronic control unit, mainly comprise: the various functions such as supply voltage detection, input and output voltage detection, the detection of input and output current detecting, switching value, driving force, short interruption detection, the detection of RAM read-write capability detect.And different Function detection may need multiple different instrument and equipment, as precision voltage source, Precision Current Component, oscillograph, function generator, multimeter etc.And in many detecting steps, not only consume a large amount of manual detection time, and different detection limits needs different equipment, is easy to cause test result deviation serious.
Utility model content
The utility model provides a kind of detection device for electronic control unit based on FlexRay bus, and multiple instrument and equipment required when which reducing test, improves detection efficiency and the precision of electronic control unit, ensure that the reliability of batch production ECU.In order to realize above-mentioned technical purpose, the utility model adopts following technical scheme:
Based on a detection device for electronic control unit for FlexRay bus, for connecting and detected electrons control module, comprise power supply, interconnecting module, output board card, detection board, FlexRay bus and host computer; Described power supply links with described electronic control unit, interconnecting module, output board card, check-out console respectively and connects, and provides power supply for it; Described interconnecting module respectively with described output board card, detect board and described electronic control unit is connected; All communication is connected by described FlexRay bus between described interconnecting module, output board card, detection board, electronic control unit and host computer.
More preferably, above-mentioned detection device for electronic control unit also comprises adapter further, and described adapter is the joint turned mutually for USB and FlexRay data; The USB end of described adapter is connected with described host computer, and the FlexRay end of described adapter is connected with described FlexRay bus.
More preferably, described electronic control unit includes FlexRay communication module, and described electronic control unit is connected with described FlexRay bus by described FlexRay communication module.
More preferably, described output board card comprises the voltage output module, current output module, resistance output module, switching value output module, frequency and the rotating speed output module that are connected with described interconnecting module respectively, and described voltage output module, current output module, resistance output module, switching value output module, frequency and rotating speed output module are connected with described FlexRay bus respectively.
More preferably, described detection board comprises the voltage acquisition module, current acquisition module, electrical resistance collection module and the frequency acquisition module that are connected with described interconnecting module respectively, and described voltage acquisition module, current acquisition module, electrical resistance collection module and frequency acquisition module are connected with described FlexRay bus respectively.
More preferably, described host computer refers to the computer with pick-up unit inspection software.
Compared with prior art, the utility model tool has the following advantages:
1, simple to operate, the whole ECU Function detection of testing staff's one-key operation;
2, efficiency is high, and the test item of manual 1 hour can complete for about 10 seconds;
3, precision is high, does not have the interference of human factor, and testing process is all allocated by upper computer software and automatically completed;
4, testing result can store in a database, can conveniently inquire about.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
First the FlexRay occurred in context is made explanations:
FlexRay: a kind of high speed for automobile, confirmability, possesses the bussing technique of failure tolerant ability, it is triggered event and time triggered two kinds of modes combine, and has efficient network utilization and system flexibility feature, can as the core network of young mobile internal network.
Embodiment:
As shown in Figure 1, a kind of detection device for electronic control unit based on FlexRay bus disclosed in the utility model, for connecting and detected electrons control module 8.This detection device for electronic control unit comprises power supply 1, interconnecting module 2, output board card 3, detects board 4, adapter 5, host computer 6 and FlexRay bus 7.
Power supply 1 respectively with interconnecting module 2, output board card 3, detect board 4 and electronic control unit 8 is connected, and provide working power for it.Be serially connected with the fuse of 10A at the output terminal of power supply 1, then export as other modules provide working power, to guarantee to protect whole pick-up unit when power supply short circuit.
Interconnecting module 2 is powered by power supply 1, and its one end connects the signal port of electronic control unit 8, and the other end connects output board card 3 and detects the signal port of board 4, and communicates with host computer 6 by connecting FlexRay bus 7.
Output board card 3 comprises voltage output module, current output module, resistance output module, switching value output module, frequency and rotating speed output module, and one end of voltage output module, current output module, resistance output module, switching value output module, frequency and rotating speed output module is connected with FlexRay bus 7 respectively, the other end is connected with interconnecting module 2 respectively.
Detect board 4 and comprise voltage acquisition module, current acquisition module, electrical resistance collection module and frequency acquisition module, and one end of voltage acquisition module, current acquisition module, electrical resistance collection module and frequency acquisition module is connected with interconnecting module 2 respectively, the other end is connected with FlexRay bus 7 respectively.
Adapter 5 is the joints for data conversion and transmission between USB and FlexRay bus, and its USB end is connected by USB data line with between host computer 6, and FlexRay end is connected with FlexRay bus 7.
Host computer 6 refers to the computer with pick-up unit inspection software.
FlexRay bus 7 respectively with interconnecting module 2, output board card 3, detect board 4, adapter 5 and electronic control unit 8 and be connected, to realize interconnecting module 2, output board card 3, to detect and carry out data communication between board 4, host computer 6 and each module of electronic control unit 8.
Electronic control unit 8 includes FlexRay communication module 9, electronic control unit 8 is connected with FlexRay bus by this FlexRay communication module 9, to realize electronic control unit 8 and interconnecting module 2, output board card 3, to detect between board 4, host computer 6 and carry out data communication.
After interconnecting module 2 accepts the order of host computer 6 transmission, output board card 3, detection board 4 are configured with the signalling channel of electronic control unit 8, can different electronic control units 8 be detected like this.Change different rat tail and the trouble brought when can reduce detect different electronic control unit 8 additionally by interconnecting module 2, also can reduce the cabling of pick-up unit, beautify pick-up unit.
Host computer 6 is by adapter 5, through FlexRay bus 7, order is sent to electronic control unit 8, electronic control unit 8, according to the order received, allows each passage of output board card 4 export the amount of specifying, and be transferred to electronic control unit 8 again after modular converter 2; Output board card 4 feeds back signal to host computer 6 again when output completes, after host computer 6 receives feedback signal, send order to electronic control unit 8 by adapter 5 through FlexRay bus 7 again, electronic control unit 8 detects the signal that interconnecting module 2 transmits before again; Detection data, after completing input, are sent to host computer 6 by electronic control unit 8, and detection data and examination criteria data contrast by host computer 6, can judge that whether each sense channel of electronic control unit 8 is normal.
Host computer 6 is by adapter 5, and through FlexRay bus 7, order is sent to electronic control unit 8, electronic control unit 8 allows output channel export the amount of specifying according to the order received, and is transferred to detection board after modular converter 2; When the amount of specifying has exported, electronic control unit 8 feeds back signal to host computer 6, after host computer 6 receives feedback signal, then send order to detection board 4 by adapter 5 through FlexRay bus, require that the output quantity of detection module 4 pairs of electronic control units 8 detects.Again detection data are sent to host computer 6 by FlexRay bus 7 after detection completes, detection data and examination criteria data contrast by host computer 6, can judge that whether each output channel of electronic control unit 8 is normal.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1., based on a detection device for electronic control unit for FlexRay bus, for connecting and detected electrons control module, it is characterized in that: comprise power supply, interconnecting module, output board card, detection board, FlexRay bus and host computer; Described power supply links with described electronic control unit, interconnecting module, output board card, check-out console respectively and connects, and provides working power for it; Described interconnecting module respectively with described output board card, detect board and described electronic control unit is connected; All communication is connected by described FlexRay bus between described interconnecting module, output board card, detection board, electronic control unit and host computer.
2. a kind of detection device for electronic control unit based on FlexRay bus as claimed in claim 1, it is characterized in that: also comprise adapter further, described adapter is the joint turned mutually for USB and FlexRay data; The USB end of described adapter is connected with described host computer, and the FlexRay end of described adapter is connected with described FlexRay bus.
3. a kind of detection device for electronic control unit based on FlexRay bus as claimed in claim 1 or 2, it is characterized in that: described electronic control unit includes FlexRay communication module, described electronic control unit is connected with described FlexRay bus by described FlexRay communication module.
4. a kind of detection device for electronic control unit based on FlexRay bus as claimed in claim 3, it is characterized in that: described output board card comprises the voltage output module, current output module, resistance output module, switching value output module, frequency and the rotating speed output module that are connected with described interconnecting module respectively, and described voltage output module, current output module, resistance output module, switching value output module, frequency and rotating speed output module are connected with described FlexRay bus respectively.
5. a kind of detection device for electronic control unit based on FlexRay bus as claimed in claim 3, it is characterized in that: described detection board comprises the voltage acquisition module, current acquisition module, electrical resistance collection module and the frequency acquisition module that are connected with described interconnecting module respectively, and described voltage acquisition module, current acquisition module, electrical resistance collection module and frequency acquisition module are connected with described FlexRay bus respectively.
6. a kind of detection device for electronic control unit based on FlexRay bus as claimed in claim 4, it is characterized in that: described detection board comprises the voltage acquisition module, current acquisition module, electrical resistance collection module and the frequency acquisition module that are connected with described interconnecting module respectively, and described voltage acquisition module, current acquisition module, electrical resistance collection module and frequency acquisition module are connected with described FlexRay bus respectively.
7. a kind of detection device for electronic control unit based on FlexRay bus as claimed in claim 1, is characterized in that: described host computer refers to the computer with pick-up unit inspection software.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420582698.8U CN204129514U (en) | 2014-10-09 | 2014-10-09 | A kind of detection device for electronic control unit based on FlexRay bus |
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| CN201420582698.8U CN204129514U (en) | 2014-10-09 | 2014-10-09 | A kind of detection device for electronic control unit based on FlexRay bus |
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| CN204129514U true CN204129514U (en) | 2015-01-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486513A (en) * | 2016-01-20 | 2016-04-13 | 贵州师范大学 | Automobile engine fault detection device and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486513A (en) * | 2016-01-20 | 2016-04-13 | 贵州师范大学 | Automobile engine fault detection device and detection method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 213200 No. 88, Jintan Avenue, Jintan District, Jiangsu, Changzhou Patentee after: Changzhou easy to control automotive electronics Limited by Share Ltd Address before: Wujin District of Jiangsu city in Changzhou province 213000 Chang Wu Road No. 801, Changzhou science and Technology City Tianrun building D block three layer Patentee before: Changzhou Ectek Automotive Electronic Systems Co., Ltd. |