CN204808037U - Ecu test system - Google Patents
Ecu test system Download PDFInfo
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- CN204808037U CN204808037U CN201520373032.6U CN201520373032U CN204808037U CN 204808037 U CN204808037 U CN 204808037U CN 201520373032 U CN201520373032 U CN 201520373032U CN 204808037 U CN204808037 U CN 204808037U
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- 238000012360 testing method Methods 0.000 title claims abstract description 113
- 238000004088 simulation Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model discloses an ecu test system, include: manual test circuit, automatic test circuit and host computer, wherein, the host computer pass through the interface with automatic test circuit links to each other, manual test circuit's output links to each other with the input of being surveyed ecu, manual test circuit's input with the output of being surveyed ecu links to each other, automatic test circuit's output with the input of being surveyed ecu links to each other, automatic test circuit's input with the output of being surveyed ecu links to each other, this system can cover the whole life cycle of ecu development, improves the efficiency of test, the unity of holding test environment.
Description
Technical field
The utility model relates to vehicle electric field, particularly relates to a kind of electronic control unit test macro.
Background technology
At present, electronic control unit (ElectronicControlUnit, ECU) is applied on automobile more and more.The function of electronic control unit is enriched from strength to strength, and which increases the complicacy of test process.In the initial period of the exploitation of electronic control unit, ECU only needs the realization of partial function.Carry out manual test and can improve dirigibility and efficiency.And in the later stage of exploitation, ECU needs Full Featured realization, needs carry out system and comprehensively test.Now, manual test cannot meet the demands, and needs the intervention of automatic test.
How to set up unified test macro to improve the testing efficiency of electronic control unit test macro.
Utility model content
The purpose of this utility model is to provide a kind of electronic control unit test macro, and this system can develop whole life cycle by overlay electronic control module, improves the efficiency of test, keeps the unitarity of test environment.
For solving the problems of the technologies described above, the utility model provides a kind of electronic control unit test macro, comprising: manual test circuit, automatic testing circuit and main frame; Wherein,
Described main frame is connected with described automatic testing circuit by interface;
The output terminal of described manual test circuit is connected with the input end of tested electronic control unit, and the input end of described manual test circuit is connected with the output terminal of described tested electronic control unit;
The output terminal of described automatic testing circuit is connected with the input end of described tested electronic control unit, and the input end of described automatic testing circuit is connected with the output terminal of described tested electronic control unit.
Wherein, described interface is specially USB interface.
Wherein, described interface is specially wireless communication interface.
Wherein, described manual test circuit comprises: digital I/O passage, Simulation with I/O passage, relay.
Wherein, described main frame is specially PC main frame.
Wherein, electronic control unit test macro also comprises: buffer circuit.
Wherein, described buffer circuit is specially: photoelectric isolating circuit.
Electronic control unit test macro provided by the utility model, comprising: manual test circuit, automatic testing circuit and main frame; Wherein, described automatic test circuit can, based on Auto-Test System, need to select analog input, output board card and numeral input, output board card etc. according to test.Described manual test circuit and automatic test circuit in parallel are connected to tested electronic control unit; Main frame can run autotest program, calls the hardware that NI board test resource connects tested electronic control unit and carries out automatic test.The utility model is integrated with manual test and automatic test, and expansibility is good, and dirigibility is strong, can improve test execution efficiency; Meanwhile, according to different products, test resource can increase and decrease flexibly, to adapt to various test environment.
Accompanying drawing explanation
In order to the technical scheme of clearer explanation the utility model embodiment or prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structured flowchart of the electronic control unit test macro that Fig. 1 provides for the utility model embodiment.
Embodiment
Core of the present utility model is to provide a kind of electronic control unit test macro, and this system can develop whole life cycle by overlay electronic control module, improves the efficiency of test, keeps the unitarity of test environment.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, the structured flowchart of the electronic control unit test macro that Fig. 1 provides for the utility model embodiment, this system can comprise: manual test circuit 200, automatic testing circuit 300 and main frame 100; Wherein,
Described main frame 100 is connected with described automatic testing circuit 300 by interface;
The output terminal of described manual test circuit 200 is connected with the input end of tested electronic control unit, and the input end of described manual test circuit 200 is connected with the output terminal of described tested electronic control unit;
The output terminal of described automatic testing circuit 300 is connected with the input end of described tested electronic control unit, and the input end of described automatic testing circuit 300 is connected with the output terminal of described tested electronic control unit.
Wherein, belong to parallel relationship by above-mentioned connected mode manual test circuit 200, automatic testing circuit 300, the quick switching of manual test to test automatically can be completed, raise the efficiency.
Preferably, described interface is specially USB interface.Wherein, concrete use USB interface makes automatic testing circuit and main frame carry out data interaction, can improve the security performance of system.
Optionally, described interface is specially wireless communication interface.
Wherein, optionally, described manual test circuit comprises: digital I/O passage, Simulation with I/O passage, relay.Namely described manual test circuit can adopt the blue box (bluebox) of customization, the IO channel of the tested electronic control unit of Non-follow control.
Wherein, the CANoe software of German Vector company is the integrated software development environment of exploitation, test, diagnosis ECU, supports complete ECU Development Life Cycle, is widely used in automobile industry.The cDAQ system of NI company then has the integrated hot swappable I/O module of the signal condition of money more than 50, can run from simulation, numeral or the hardware fixed cycle operator of counter/timer passage simultaneously.Pocket numbers can be selected according to actual test case, such as, can select 4 slots or 8 slots as required; And cDAQ system can be called in CANoe software environment, the convenient unified test environment set up centered by CANoe, improves test execution efficiency.The utility model utilizes the program of above-mentioned maturation to test, and can improve the accuracy of test, and therefore system of the present utility model preferably takes above-mentioned lift-launch program.
Wherein, optionally, described main frame is specially PC main frame.Wherein, current PC main frame development is very perfect, and security performance is high, easy to use, easily grasps.
Namely the testing software that the PC main frame in the utility model can run is the CANoe program of German Vector company, the cDAQ system of what described automatic testing circuit adopted is famous American company NI connects the hardware resource of tested electronic control unit, and by CANoe software transfer.The performance of this program is good, can improve the test accuracy of system.
Preferably, described electronic control unit test macro also comprises: buffer circuit.
Preferably, described buffer circuit is specially: photoelectric isolating circuit.
Wherein, photoelectric isolating circuit is used can to improve the security of electronic control unit test macro.
Based on technique scheme, the electronic control unit test macro that the utility model provides comprises, automatic test circuit, manual test circuit, PC main frame; Described automatic test circuit, based on the cDAQ Auto-Test System of NI, is connected by USB and PC main frame, can need to select analog input, output board card and numeral input, output board card etc. according to test.Described manual test circuit comprises the input/output signal of multi-path digital, simulation, is connected and tested electronic control unit with automatic test circuit in parallel; PC main frame runs the CANoe software of Vector company, calls the hardware that NI board test resource connects tested electronic control unit and carries out automatic test; And NI board can be adjustable according to actual test case.The utility model is integrated with manual test and automatic test, and expansibility is good, and dirigibility is strong, can complete the quick switching of manual test to test automatically, can improve test execution efficiency; Meanwhile, according to different products, test resource can increase and decrease flexibly, to adapt to various test environment.Phototube Coupling can also be increased if desired in order to relay testing hardware, improve security and greatly reduce human cost.
Above electronic control unit test macro provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (7)
1. an electronic control unit test macro, is characterized in that, comprising: manual test circuit, automatic testing circuit and main frame; Wherein,
Described main frame is connected with described automatic testing circuit by interface;
The output terminal of described manual test circuit is connected with the input end of tested electronic control unit, and the input end of described manual test circuit is connected with the output terminal of described tested electronic control unit;
The output terminal of described automatic testing circuit is connected with the input end of described tested electronic control unit, and the input end of described automatic testing circuit is connected with the output terminal of described tested electronic control unit.
2. electronic control unit test macro as claimed in claim 1, it is characterized in that, described interface is specially USB interface.
3. electronic control unit test macro as claimed in claim 1, it is characterized in that, described interface is specially wireless communication interface.
4. electronic control unit test macro as claimed in claim 1, it is characterized in that, described manual test circuit comprises: digital I/O passage, Simulation with I/O passage, relay.
5. electronic control unit test macro as claimed in claim 1, it is characterized in that, described main frame is specially PC main frame.
6. the electronic control unit test macro as described in any one of claim 1 to 5, is characterized in that, also comprise: buffer circuit.
7. electronic control unit test macro as claimed in claim 6, it is characterized in that, described buffer circuit is specially: photoelectric isolating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520373032.6U CN204808037U (en) | 2015-06-02 | 2015-06-02 | Ecu test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520373032.6U CN204808037U (en) | 2015-06-02 | 2015-06-02 | Ecu test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204808037U true CN204808037U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520373032.6U Expired - Fee Related CN204808037U (en) | 2015-06-02 | 2015-06-02 | Ecu test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110147088A (en) * | 2019-06-06 | 2019-08-20 | 珠海广通汽车有限公司 | Test system for electric vehicle controller |
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2015
- 2015-06-02 CN CN201520373032.6U patent/CN204808037U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110147088A (en) * | 2019-06-06 | 2019-08-20 | 珠海广通汽车有限公司 | Test system for electric vehicle controller |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 |