CN207318605U - Automobile bus radiated immunity test system - Google Patents
Automobile bus radiated immunity test system Download PDFInfo
- Publication number
- CN207318605U CN207318605U CN201721274114.0U CN201721274114U CN207318605U CN 207318605 U CN207318605 U CN 207318605U CN 201721274114 U CN201721274114 U CN 201721274114U CN 207318605 U CN207318605 U CN 207318605U
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- test
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- gateway
- test system
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Abstract
The utility model discloses a kind of automobile bus radiated immunity test system, including：Monitor, gateway, diagnostic module, power supply module, multiple load blocks and Devices to test；Monitor is connected with diagnostic module and gateway successively；Devices to test is connected by bus with gateway；Power supply module is powered for Devices to test；Load blocks provide analog signal for Devices to test；The quantity of load blocks is identical with the quantity of Devices to test, and the Devices to test is connected one by one with the load blocks.The utility model is by building above-mentioned bus rack, pair relevant with bus component carries out systematic bus signals processing, transmission, the radiation immunity detection interacted etc., and pass through the load blocks connected one by one, it ensure that the transmission quality of input signal, the drawbacks of thus the utility model can overcome existing independent test mode, makes bus radiated immunity test more complete, comprehensive and accurate.
Description
Technical field
It the utility model is related to automotive bus technology field, more particularly to a kind of automobile bus radiated immunity test system
System.
Background technology
Now with vehicle intellectualized development, bus is applied more and more extensive in automobile, and bus dependence test is also required to
It is unfolded therewith.Automobile bus belongs to sensitive equipment, its signal is easily disturbed by external interference source, therefore bus radiation immunity
Test is one of vital bus test project.
It is existing for automobile bus radiated immunity test, mainly by testing single parts, by each
The verification of a parts, assesses bus radiation immunity.
But only carrying out single part test can cause bus performance examination not perfect enough, on the one hand such as bus signals not
Completely, bus loop is imperfect, the electromagnetic compatibility treatment measures in bus are also imperfect, can not ensure the bus in system level
Electro Magnetic Compatibility；On the other hand, single part, which carries out test, causes no interactions between component, can not verify that bus signals exist
Electro Magnetic Compatibility existing for interaction.
Utility model content
The purpose of this utility model is to provide a kind of automobile bus radiated immunity test system, systematically total to automobile
Line is tested, so that test is complete, comprehensive and more accurate.
The technical solution adopted in the utility model is as follows：
A kind of automobile bus radiated immunity test system, including：
Monitor, gateway, diagnostic module, power supply module, multiple load blocks and multiple Devices to test；
The monitor is connected with the diagnostic module and gateway successively；
The Devices to test is connected by bus with the gateway；
The power supply module is powered for the Devices to test and gateway；
Each Devices to test corresponds to a load blocks, and Devices to test is connected with corresponding load blocks, load blocks
Analog signal is provided for corresponding Devices to test.
Preferably, the Devices to test includes：
Engine controller, gearbox control, brake system controller, safety air sac controller, steering controller, car
Body controller, air-conditioner controller door lock controller and combination instrument.
Preferably, the analog signal includes following any one or more：
Switching signal, pulse-width signal, resistance value signal or angle signal.
Preferably, further include：
Electro Magnetic Compatibility laboratory；
The gateway, diagnostic module, power supply module, multiple load blocks and multiple Devices to test are placed on the electromagnetism
In compatible laboratory, the monitor is placed on outside the Electro Magnetic Compatibility laboratory.
Preferably, the diagnostic module is diagnostic data connector.
Preferably, further include：
Photoelectric converter；
The monitor is connected by photoelectric converter with the diagnostic module.
Preferably, the Devices to test is connected with gateway according to actual in-car bus arrangement mode.
Preferably, Bus simulator test platform built in the monitor.
Preferably, the Bus simulator test platform is CANoe or Vehicle spy.
Preferably, the power supply module is storage battery.
The utility model carries out component relevant with bus on automobile the bus signals of system by building bus rack
The radiation immunity detection of processing, transmission, interaction etc., and each component is connected one by one with corresponding load blocks respectively
Connect, ensure that influence of the input signal from quality and the immunity to interference quality of miscellaneous part, thus the utility model can gram
The drawbacks of taking existing independent test mode, makes bus radiated immunity test more complete, comprehensive and accurate.
Brief description of the drawings
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type is further described, wherein：
Fig. 1 is the schematic diagram of automobile bus radiated immunity test system embodiment provided by the utility model；
Fig. 2 is the signal of another embodiment of automobile bus radiated immunity test system provided by the utility model
Figure.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
The utility model provides a kind of embodiment of automobile bus radiated immunity test system, survey as shown in Figure 1
Test system schematic diagram, the system include：Monitor, gateway, diagnostic module, power supply module, multiple load blocks and multiple treat
Measurement equipment, specifically the mode of building may be referred to attached drawing, such as monitor can be connected with diagnostic module and gateway successively, to be measured
Equipment is then connected by bus with gateway, here it is contemplated that the connection of gateway and diagnostic module also uses bus, and diagnoses mould
The connection of block and monitor can be the data cable that bus can also be other forms；Each Devices to test corresponds to a load
Module, the quantity of load blocks is identical with the quantity of Devices to test, and such Devices to test can be with load blocks correspondingly
Connection, i.e., Devices to test is connected with corresponding load blocks；Certainly when building system, it is more preferred to according to actual in-car
The arrangement of bus and harness connects Devices to test and gateway and Devices to test and power supply module, ensures that each component connects with this
Unified, complete Electro Magnetic Compatibility processing (such as the measure such as shielding, filtering) is carried out when connecing, and ensure that interactive order
It is complete and accurate.
Wherein, the effect of power supply module is powered for equipment such as each Devices to test, gateways, can be used in practical operation
Storage battery in real vehicle；Diagnostic module can select diagnostic data connector (DLC) or any general bus diagnostic interface dress
Put；Load blocks are then used to Devices to test and provide original analog signal, and analog signal designated herein can be following
One or more combination：Switching signal, pulse-width signal, resistance value signal or angle signal, its be used to simulating real vehicle respectively switch,
The signal that sensor provides, certainly, is capable of providing above-mentioned each signal to realize, switch, low pressure can be provided with load blocks
Power supply, programmable chip and resistance etc., and while providing input signal for Devices to test can be by operating personnel before test
Set by hand or the program by editing in advance exports analog signal automatically, the utility model is not construed as limiting this.This
In it should be noted that the utility model, which is considered as load blocks, provides analog signal, rather than using each biography on real vehicle
The purpose of sensor and switch, is to ensure testboard bay input when carrying out radiation immunity experiment that the system is built
The accuracy of original signal, it is therefore necessary to exclude because the parts immunities to interference such as actual each sensor, switch are unqualified or quality
Original signal input error caused by fluctuation, and cause bus signals to report an error or abnormal possibility；In addition, Devices to test is with bearing
The corresponding species difference referred to due to module to be measured of module is carried, its required signal kinds considers to adopt also by difference
Take one-to-one connection mode.To sum up, by setting load blocks more accurately to judge that vehicle bus signals are being located
Whether meet radiation immunity experiment requirement in reason, transmission, interaction.
Based on above-described embodiment, the utility model additionally provides the better embodiment of a specific component of combination, such as Fig. 2
Shown test system schematic, wherein further comprises Electro Magnetic Compatibility laboratory, preceding gateway, diagnostic module, power supply module,
Load blocks and Devices to test are placed in the Electro Magnetic Compatibility laboratory, and monitor is then placed on Electro Magnetic Compatibility laboratory
Outside, ensure that test by external electromagnetic environmental disturbances, does not lift test accuracy and efficiency with this；Devices to test can then select such as
The lower and relevant component of bus, as engine controller, gearbox control, brake system controller, safety air sac controller,
Steering controller, car body controller, air-conditioner controller door lock controller and combination instrument etc., it is, of course, also possible to according to difference
Vehicle adds each comfortable bus apparatus, entertainment bus equipment etc., and the utility model not limits this, it is noted that another
In one embodiment, combination instrument can substitute preceding gateway；In addition, to above-described embodiment it should be noted that monitor can
To be connected by photoelectric converter with diagnostic module, photoelectric converter disclosure satisfy that Phototube Coupling, extend transmission distance and increase
Add the demand of bus network node, it is thus possible to ensure that the multinode test system that the utility model is built effectively is implemented, setting
When putting, which can be arranged in Electro Magnetic Compatibility laboratory, can also be located at the intersection of indoor and outdoor, and
Connection with diagnostic module is connected using bus, and uses optical fiber with the connection of monitor.
Further, it is flat to be also built-in with the test of the Bus simulators such as CANoe or Vehicle spy for foregoing monitor
Platform, the monitor is monitored bus signals during experiment, by load blocks provide analog signal and respectively treat
Interaction between measurement equipment (node), diagnoses when carrying out radiated immunity test, erroneous frame whether occurs in bus, reports an error etc. no
Good phenomenon.
In conclusion the utility model is capable of the radiation immunity performance of systematicness verification automobile bus signal, and always
Line treatment measures are complete, comprehensive, ensure that vehicle bus disclosure satisfy that the job requirement in complex electromagnetic environment, avoid single zero
There is situations such as mistake causes the collapse of vehicle bus, reports an error in bus transfer, the process such as interaction that can not be verified in part experiment,
And then it ensure that security of the vehicle under complex electromagnetic environment.
The structure, feature and effect of the utility model are described in detail based on the embodiments shown in the drawings, but
The above is only the preferred embodiment of the present invention, it is necessary to explain, involved by above-described embodiment and its preferred embodiment
Technical characteristic, those skilled in the art can not depart from, not change the mentality of designing and technique effect of the utility model
On the premise of, reasonably combination collocation is into a variety of equivalents；Therefore, the utility model does not implement model to be limited shown in drawing
Enclose, the change that every conception according to the utility model is made, or be revised as the equivalent embodiment of equivalent variations, still without departing from saying
When bright book is with illustrating covered spirit, it should be within the protection scope of the present utility model.
Claims (10)
- A kind of 1. automobile bus radiated immunity test system, it is characterised in that including：Monitor, gateway, diagnostic module, power supply module, multiple load blocks and multiple Devices to test；The monitor is connected with the diagnostic module and gateway successively；The Devices to test is connected by bus with the gateway；The power supply module is powered for the Devices to test and gateway；Each Devices to test corresponds to a load blocks, and Devices to test is connected with corresponding load blocks, and load blocks are pair The Devices to test answered provides analog signal.
- 2. automobile bus radiated immunity test system according to claim 1, it is characterised in that the Devices to test bag Include：Engine controller, gearbox control, brake system controller, safety air sac controller, steering controller, vehicle body control Device, air-conditioner controller door lock controller and combination instrument processed.
- 3. automobile bus radiated immunity test system according to claim 2, it is characterised in that the analog signal bag Include following any one or more：Switching signal, pulse-width signal, resistance value signal or angle signal.
- 4. automobile bus radiated immunity test system according to claim 3, it is characterised in that further include：Electro Magnetic Compatibility laboratory；The gateway, diagnostic module, power supply module, multiple load blocks and multiple Devices to test are placed on the electromagnetic compatibility In property laboratory, the monitor is placed on outside the Electro Magnetic Compatibility laboratory.
- 5. automobile bus radiated immunity test system according to claim 1, it is characterised in that the diagnostic module is Diagnostic data connector.
- 6. automobile bus radiated immunity test system according to claim 1, it is characterised in that further include：Photoelectric converter；The monitor is connected by photoelectric converter with the diagnostic module.
- 7. according to claim 1~6 any one of them automobile bus radiated immunity test system, it is characterised in that described Devices to test is connected with gateway according to actual in-car bus arrangement mode.
- 8. according to claim 1~6 any one of them automobile bus radiated immunity test system, it is characterised in that described Bus simulator test platform built in monitor.
- 9. automobile bus radiated immunity test system according to claim 8, it is characterised in that the Bus simulator is surveyed Examination platform is CANoe or Vehicle spy.
- 10. automobile bus radiated immunity test system according to claim 7, it is characterised in that the power supply module For storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274114.0U CN207318605U (en) | 2017-09-29 | 2017-09-29 | Automobile bus radiated immunity test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274114.0U CN207318605U (en) | 2017-09-29 | 2017-09-29 | Automobile bus radiated immunity test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207318605U true CN207318605U (en) | 2018-05-04 |
Family
ID=62428527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721274114.0U Expired - Fee Related CN207318605U (en) | 2017-09-29 | 2017-09-29 | Automobile bus radiated immunity test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207318605U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109150682A (en) * | 2018-11-02 | 2019-01-04 | 广州小鹏汽车科技有限公司 | A kind of interference source detection method and device |
| CN112415320A (en) * | 2020-12-02 | 2021-02-26 | 一汽解放汽车有限公司 | Radiation anti-interference degree testing system and method based on automobile instrument |
| CN114666244A (en) * | 2022-04-13 | 2022-06-24 | 中国第一汽车股份有限公司 | Vehicle-mounted gateway test system |
-
2017
- 2017-09-29 CN CN201721274114.0U patent/CN207318605U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109150682A (en) * | 2018-11-02 | 2019-01-04 | 广州小鹏汽车科技有限公司 | A kind of interference source detection method and device |
| CN109150682B (en) * | 2018-11-02 | 2021-02-19 | 广州小鹏汽车科技有限公司 | Interference source detection method and device |
| CN112415320A (en) * | 2020-12-02 | 2021-02-26 | 一汽解放汽车有限公司 | Radiation anti-interference degree testing system and method based on automobile instrument |
| CN114666244A (en) * | 2022-04-13 | 2022-06-24 | 中国第一汽车股份有限公司 | Vehicle-mounted gateway test system |
| CN114666244B (en) * | 2022-04-13 | 2023-06-16 | 中国第一汽车股份有限公司 | Vehicle-mounted gateway test system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20200929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |