CN202331190U - Movable type comprehensive test table of electric power steering controller - Google Patents
Movable type comprehensive test table of electric power steering controller Download PDFInfo
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- CN202331190U CN202331190U CN2011203675299U CN201120367529U CN202331190U CN 202331190 U CN202331190 U CN 202331190U CN 2011203675299 U CN2011203675299 U CN 2011203675299U CN 201120367529 U CN201120367529 U CN 201120367529U CN 202331190 U CN202331190 U CN 202331190U
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Abstract
The utility model provides a movable type comprehensive test table of an electric power steering electronic control unit. The movable type comprehensive test table comprises an electric power steering system, an electronic control unit (ECU), an EPS (Electric Power Steering) motor, a torque transducer, a load simulation system, a movable car body rack, related signals, a power supply and the like, wherein the movable car body rack is provided with a computer display, a control system and signal generation module, a communication diagnosis module, an ECU power supply module, a system driving and signal collecting module, an ECU functional test and property detection module, and an ECU durability module. According to the movable type comprehensive test table of the electric power steering electronic control unit, debugging and performance detection can be carried out by different EPS controller software and hardware under a laboratory environment, a controller strategy is evaluated and optimized and each module of the ECU is independently tested. When an automobile steering system has some problems, the automobile steering system can be diagnosed and debugged by pushing the comprehensive test table to outside even a road test field. The movable type comprehensive test table of the electric power steering electronic control unit also has the advantages of various functions, portable movement, in-time feedback, a plurality of channels, simplicity in operation, direct display and the like.
Description
Technical field
The utility model relates to and a kind of tester for testing, relate to especially with a kind of vehicle electric power-assisted steering device (EPS) with the electric pattern test-bed of controller (ECU), ECU long duration test stand with the removable comprehensive test device of vehicle-mounted real-time detecting system.
Background technology
Along with the develop rapidly of auto industry, the auto parts machinery market development is rapid, and vehicle electric power-assisted steering device is as an important vehicle chassis component, and its performance also receives increasing concern.Electric boosting steering system is the product of an electromechanical integration, and controller (ECU) is the control module of electric boosting steering system, and its performance directly has influence on the steering behaviour of automobile.Simultaneously, the design of controller is produced necessary through strict test and test.Discrete mode is mainly adopted in present controller R&D work, and research and development and test fail to form the feedback system of an interaction.This testing table designs with regard to the research and development that are based on controller, production, test, research and development, real vehicle test, Continual Improvement, type approval test and the fault of controller is got rid of all be integrated in the pilot system.
Exploitation at electric boosting steering system; Particularly in ECU exploitation, test, the production run; How under testing laboratory's environment to the control strategy developed and detection, the malfunction elimination of control performance index, be an important process of manufacturing enterprise and design department.Generally speaking, ECU is carried out soft, hardware debug and test, is necessary for its automobile front suspension of setting up a reality and steering stand, but so not only the construction cycle long, and cost is very high.
The utility model content
The technical matters that the utility model solved is to provide a kind of packaged type electric booster steering controller multi-function test stand, to solve the shortcoming in the above-mentioned background technology.
The technical matters that the utility model solved adopts following technical scheme to realize: a kind of packaged type electric booster steering controller multi-function test stand; Comprise electric boosting steering system, controller (ECU), EPS motor, torque sensor, load simulation system, moving body stand, coherent signal and power supply connection etc., described moving body stand is provided with computer display screen, control system and signal generating module, communication diagnostic module, ECU power supply supplying module, system drive and signal acquisition module, ECU functional test and performance detection module and the durable module of ECU.
Described communication diagnostic module comprises CAN-BUS communication diagnostic module and K-LINE diagnostic module; The communication that said CAN-BUS communication diagnostic module is a car load provides interface, and said K-LINE diagnostic module can show the fault of the controller mode through standard code.
Said ECU power supply supplying module provides normal working power voltage through the ECU power circuit to ECU.
Described control system and signal generating module are carried the steering signal of car load.
The electric type approval test of described ECU is mainly born by ECU power supply supplying module, computing machine and control system, motion control card and oscillograph.
Said ECU power supply supplying module comprises D.C. regulated power supply, high-accuracy supply unit able to programme and chopper and amplifier.
Described controller function detects with the performance test module and mainly comprises controller test special combination instrument, controller performance detection module, electric boosting steering system, load simulation system, controller (ECU), D.C. regulated power supply, computing machine and control system, control system and signal generating module, and the oscillograph that is used to monitor pwm signal.
The durable module of described ECU has the durable controller platform of multichannel controller, and the durable module of described ECU, load simulation system and EPS motor are formed a complete durable system together.
Beneficial effect: the utility model can be under laboratory environment be debugged with Performance Detection, the controller strategy is assessed and optimized, each module of ECU is carried out independent test different EPS controller soft hardware.When automobile steering system generation problem, can release the utility model outdoor or even the actual road test place is diagnosed, debugged.Advantages such as the utility model also has diverse in function, can conveniently move, feed back in time, hyperchannel, simple to operate, intuitive display.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is that each module of testing table and signal transmit synoptic diagram.
Wherein: 1. electric boosting steering system, 2. steering column, 3.EPS motor, 4. controller (ECU), 5. torque sensor; 6. load simulation system, 7. fictitious load power supply and signal, 8.ECU power circuit, 9. steering signal, 10. drive simulating person's moment input signal; 11. the communication diagnostic signal, 12. power supply signal transfer boxes, 13. moving body stands, 14. computer display screens, 15. control system and signal generating module; 16. the communication diagnostic module, 17.ECU power supply supplying module, 18. system drive and signal acquisition module, 19. ECU functional test and performance detection module, the durable module of 20.ECU; 21. D.C. regulated power supply, 22. high-accuracy supply units able to programme, 23. choppers and amplifier, 24.CAN communication module, 25.K-LINE diagnostic module; 26. computing machine and control system, 27. steering signal generating module, 28. motion control cards, 29. servomotors; 30. data collecting card, 31. controller test special combination instrument, 32. controller performance detection modules, 33. oscillographs.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1; A kind of packaged type electric booster steering controller multi-function test stand comprises that electric boosting steering system 1, controller (ECU) 4, EPS motor 3, torque sensor 5, load simulation system 6, moving body stand 13, coherent signal are connected with power supply etc.
Described moving body stand 13 is provided with computer display screen 14, control system and signal generating module 15, communication diagnostic module 16, ECU power supply supplying module 17 (except that providing the power supply to ECU, also can simulate electric type approval test environment to ECU), system drive and signal acquisition module 18, ECU functional test and performance detection module 19 and the durable module 20 of ECU.
Described communication diagnostic module 16 comprises CAN-BUS communication diagnostic module 24 and K-LINE diagnostic module 25, and said CAN-BUS communication diagnostic module 24 has been for the communication of car load provides interface, can let the driver to the information of steering obtain with the time grasp.Said K-LINE diagnostic module 25 designs for controller failure diagnosis, and this module can show the fault of the controller mode through standard code, reaches aims of standardization.
When said ECU power supply supplying module 17 provides normal working power voltage through ECU power circuit 8 to ECU; Said control system and signal generating module 15 are carried the steering signal 9 of car load; Make controller (ECU) 4 operate as normal, through the load size of regulating load simulation system 6, get final product the output current and the moment of EPS motor 3; Output current can record through the data collecting card 30 of current sensor, and output torque can obtain through torque sensor 5.If controller operation irregularity; Be linked into controller (ECU) 4 to communication diagnostic signal 11; Corresponding information converts corresponding professional code to through relevant communications protocol; And show on computer display screen 14 with relevant literal, can learn it is that which particular module of controller breaks down through professional code and literal.
The electric type approval test of described ECU is mainly born by ECU power supply supplying module 17, computing machine and control system 26, motion control card 28 and oscillograph 33.Said ECU power supply supplying module 17 comprises D.C. regulated power supply 21, high-accuracy supply unit 22 able to programme and chopper and amplifier 23.Said ECU power supply supplying module 17 is through software programming, and its highest output PV can reach 200V, and supply voltage/electric current reaches rate of change and can arrive 20000V/s.If make controller (ECU) 4 operate as normal, as long as be arranged to stable Vehicular accumulator cell voltage to D.C. regulated power supply 21 and high-accuracy supply unit 22 able to programme.If fluctuation and abnormal conditions take place in the simulation vehicle power; Then on computing machine and control system 26, start the drive software of high-accuracy supply unit 22 able to programme; According to each technical conditions establishment change in voltage frequency, speed and amplitude size are behind chopper and amplifier 23; Be input in the controller (ECU) 4 by ECU power circuit 8 again, can accomplish corresponding electric type approval test.Also can detect practical power fluctuation situation of change through oscillograph 33.The task that the electric type approval test of ECU is born has: the test of conventional supply voltage, have that voltage fluctuation test, supply voltage load under intermittently tested, the test of supply voltage reversed polarity, superpotential test, the test of supply voltage hit and excess voltage test, can investigate ECU the abnormal voltage situation that possibly run into.
Described controller function detects with performance test module 19 and mainly comprises controller test special combination instrument 31, controller performance detection module 32, electric boosting steering system 1, load simulation system 6, controller (ECU) 4, D.C. regulated power supply 21, computing machine and control system 26, control system and signal generating module 15, and the oscillograph 33 that is used to monitor pwm signal.Said computing machine and control system 26 control loads size.Described controller function detects with performance test module 19 and is divided into two parts: one is Function detection; Two are performance test.The two has suitable difference, but inherent contact is arranged.In whole test system; The steering signal 9 of all car loads is produced by steering signal generating module 27, and steering signal generating module 27 comprises sensor electrical pressure regulator, GES generating means, engine signal generating means and distributor pickup mechanism.ECU power supply supplying module 17 provides normal voltage through ECU power circuit 8, makes external environment condition can satisfy the ECU operate as normal.When described controller function detects and carries out Function detection with performance test module 19, re-detection controller (ECU) 4 and whether work, can detect the working condition of several main chip and power tube in the controller (ECU) 4 through oscillograph 33.If do not work, then EPS motor 3 can output current and moment, does not at this moment have moment to show on the torque sensor 5.If undesired in the functional test, then need detect that ECU module and not work, remaining work will switch to communication diagnostic module 16 this moment, can learn it is that which particular module of controller breaks down, and repair then.If Function detection is normal, then need carry out performance test, whether the main test controller of performance test (ECU) 4 work are good, or are operated on the particular requirement of technical requirement.The specific torque signal and the GES of steering signal generating module 27 inputs of car load; Controller (ECU) electric current of 4 outputs and torque value; And be sent to computing machine and control system 26 to input torque and output current and output torque through data acquisition card 30, and show through computer display screen 14, X-Y axial curve figure drawn through software; If curve meets the curve and the numerical value of technical requirement regulation; Think that then this ECU is qualified, otherwise defective, substandard product does not allow to dispatch from the factory or works as normal controller and use.
The durable module 20 of described ECU has the durable controller platform of multichannel controller, can carry out long duration test to many ECU simultaneously, carries out reliability demonstration.Computing machine and control system 26 are through software programming; ECU power supply supplying module 17 and the ignition signal in the steering signal generating module 27 are controlled; Make the working time and the stand-by time of controller (ECU) 4 obtain being provided with, and the electric current of system drive and signal acquisition module 18 and load simulation system 6 is carried out real-time regulated, circulation is switched; State when the simulation real vehicle is driven forms a distinctive operating mode operational mode.The durable module of described ECU 20, load simulation system 6 and EPS motor 3 are formed a complete durable system together.Wherein EPS motor 3 is a loading motor, and the fictitious load motor is the servomotor 29 of a moment of torsion control mode, the load scalable may command that makes long duration test.This system can cooperate other environmental units to do the long duration test under the integrated environment, tests its life-span and permanance at extreme environment.Connect through electric wire, can be placed on controller in the chamber, place at normal temperatures (under the home) to whole mobile stand 13 and get final product driving governor and under specific environment, work.Said chamber can be a high-low temperature chamber, damp and hot alternation case, ozone and salt spray test chamber etc.
The utility model can be used as the debugging matching tool of steering and car load communications protocol, to the different different communications protocol of vehicle establishment, matees then, makes EPS control system and finished vehicle electronic communication system become an organic whole.
The computer control module of whole stand is through data collecting card 30 image data and transmit control command, and the data of test, detection are handled, and obtains test result.Can generate test report automatically according to different tests and test item.
More than show and described ultimate principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (8)
1. packaged type electric booster steering controller multi-function test stand; Comprise electric boosting steering system, controller ECU, EPS motor, torque sensor, load simulation system, moving body stand, coherent signal and power supply connection etc.; It is characterized in that described moving body stand is provided with computer display screen, control system and signal generating module, communication diagnostic module, ECU power supply supplying module, system drive and signal acquisition module, ECU functional test and performance detection module and the durable module of ECU.
2. packaged type electric booster steering controller multi-function test stand according to claim 1; It is characterized in that; Described communication diagnostic module comprises CAN-BUS communication diagnostic module and K-LINE diagnostic module; The communication that said CAN-BUS communication diagnostic module is a car load provides interface, and said K-LINE diagnostic module can show the fault of the controller mode through standard code.
3. packaged type electric booster steering controller multi-function test stand according to claim 1 is characterized in that, said ECU power supply supplying module provides normal working power voltage through the ECU power circuit to ECU.
4. packaged type electric booster steering controller multi-function test stand according to claim 1 is characterized in that, described control system and signal generating module are carried the steering signal of car load.
5. packaged type electric booster steering controller multi-function test stand according to claim 1 is characterized in that the electric type approval test of described ECU is mainly born by ECU power supply supplying module, computing machine and control system, motion control card and oscillograph.
6. according to claim 1 or 5 described packaged type electric booster steering controller multi-function test stands, it is characterized in that said ECU power supply supplying module comprises D.C. regulated power supply, high-accuracy supply unit able to programme and chopper and amplifier.
7. packaged type electric booster steering controller multi-function test stand according to claim 1; It is characterized in that; Described controller function detects with the performance test module and mainly comprises controller test special combination instrument, controller performance detection module, electric boosting steering system, load simulation system, controller ECU, D.C. regulated power supply, computing machine and control system, control system and signal generating module, and the oscillograph that is used to monitor pwm signal.
8. packaged type electric booster steering controller multi-function test stand according to claim 1; It is characterized in that; The durable module of described ECU has the durable controller platform of multichannel controller, and the durable module of described ECU, load simulation system and EPS motor are formed a complete durable system together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203675299U CN202331190U (en) | 2011-09-29 | 2011-09-29 | Movable type comprehensive test table of electric power steering controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203675299U CN202331190U (en) | 2011-09-29 | 2011-09-29 | Movable type comprehensive test table of electric power steering controller |
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| Publication Number | Publication Date |
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| CN202331190U true CN202331190U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203675299U Expired - Fee Related CN202331190U (en) | 2011-09-29 | 2011-09-29 | Movable type comprehensive test table of electric power steering controller |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662394A (en) * | 2012-05-08 | 2012-09-12 | 清华大学 | Fault simulation device for automobile electric power-assisted steering system |
| CN104750102A (en) * | 2015-04-10 | 2015-07-01 | 哈尔滨力盛达机电科技有限公司 | Environment stress screening device used for electric power assisted steering system |
| CN104808141A (en) * | 2015-04-27 | 2015-07-29 | 苏州工业园区聚博精密设备有限公司 | Intelligence field abnormal sound vibration performance test system |
| CN105136486A (en) * | 2015-09-23 | 2015-12-09 | 安徽江淮汽车股份有限公司 | Measurement and control bench of comprehensive properties of electric power steering system and measurement and control method |
| CN105182968A (en) * | 2015-09-24 | 2015-12-23 | 吉林大学 | Hardware-in-loop performance testing stand suitable for automobile C-EPS system |
| CN106774263A (en) * | 2016-12-28 | 2017-05-31 | 海特汽车科技（苏州）有限公司 | A kind of EPS controller tests system and device |
| CN106774284A (en) * | 2017-02-13 | 2017-05-31 | 武汉理工大学 | Automobile EPS controller assist characteristic automatization test systems and method of testing |
| CN111965401A (en) * | 2020-06-05 | 2020-11-20 | 嘉兴行适安车联网信息科技有限公司 | Method for simulating vehicle starting power supply |
-
2011
- 2011-09-29 CN CN2011203675299U patent/CN202331190U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662394A (en) * | 2012-05-08 | 2012-09-12 | 清华大学 | Fault simulation device for automobile electric power-assisted steering system |
| CN102662394B (en) * | 2012-05-08 | 2014-01-29 | 清华大学 | Fault simulation device for automobile electric power-assisted steering system |
| CN104750102A (en) * | 2015-04-10 | 2015-07-01 | 哈尔滨力盛达机电科技有限公司 | Environment stress screening device used for electric power assisted steering system |
| CN104808141A (en) * | 2015-04-27 | 2015-07-29 | 苏州工业园区聚博精密设备有限公司 | Intelligence field abnormal sound vibration performance test system |
| CN105136486A (en) * | 2015-09-23 | 2015-12-09 | 安徽江淮汽车股份有限公司 | Measurement and control bench of comprehensive properties of electric power steering system and measurement and control method |
| CN105182968A (en) * | 2015-09-24 | 2015-12-23 | 吉林大学 | Hardware-in-loop performance testing stand suitable for automobile C-EPS system |
| CN105182968B (en) * | 2015-09-24 | 2018-08-10 | 吉林大学 | A kind of hardware in loop property test platform suitable for automobile C-EPS systems |
| CN106774263A (en) * | 2016-12-28 | 2017-05-31 | 海特汽车科技（苏州）有限公司 | A kind of EPS controller tests system and device |
| CN106774284A (en) * | 2017-02-13 | 2017-05-31 | 武汉理工大学 | Automobile EPS controller assist characteristic automatization test systems and method of testing |
| CN111965401A (en) * | 2020-06-05 | 2020-11-20 | 嘉兴行适安车联网信息科技有限公司 | Method for simulating vehicle starting power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120711 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |