CN201594043U - Performance testing platform of electric power steering system - Google Patents
Performance testing platform of electric power steering system Download PDFInfo
- Publication number
- CN201594043U CN201594043U CN200920318468XU CN200920318468U CN201594043U CN 201594043 U CN201594043 U CN 201594043U CN 200920318468X U CN200920318468X U CN 200920318468XU CN 200920318468 U CN200920318468 U CN 200920318468U CN 201594043 U CN201594043 U CN 201594043U
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- gear
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Abstract
The utility model discloses a performance testing platform of an electric power steering system; a steering part comprises a fixed base which is provided with a steering gear fixed by a steering rack; two ends of the steering rack are connected with spring dampers; the steering gear is connected with one end of a steering shaft, and the other end thereof is connected with a steering wheel; the middle part of the steering shaft is fixed at the two ends of the fixed base by a fixed bracket; a rotary angle sensor, a speed reducing mechanism, a torque sensor and a universal joint are sequentially arranged between the steering wheel and the steering gear; a control part comprises an electronic control unit, an input end of which is respectively connected with a storage battery, the torque sensor, the rotary angle sensor and an analog signal generator; an output end of the electronic control unit is respectively connected with the speed reducing mechanism and an oscilloscope; and the analog signal generator is also connected with the oscilloscope. The performance testing platform of the electric power steering system has simple structure, low manufacturing cost, reliable use and energy conservation.
Description
Technical field
The utility model belongs to the motor turning technical field, is specifically related to a kind of electric boosting steering system performance test platform.
Background technology
At present, electric boosting steering system is widely used in automobile industry, and its correlation test platform product also emerges in an endless stream.Testing table has irreplaceable effect in the exploitation of electric boosting steering system and test.For the exploitation steering, the bench test link that is absolutely necessary has only by sufficient test bed testing, and steering just can be carried out real train test, can save the development time on the one hand, can guarantee its reliability on the other hand; For the finished product steering, testing table can be finished the test of parameters accurately and quickly, saves lot of manpower and material resources.
The steering drag simulation mechanism is an ingredient very important in the testing table, and it is mainly used in the actual resistance of simulating vehicle when travelling, and improves the authenticity and the accuracy of bench test.But existing product or control accuracy are not high, can not satisfy testing requirements, and such as utilizing brake block to produce resistance, when big torque, brake block skids easily, influences measuring accuracy; Cost is higher, such as utilizing magnetic powder brake to produce resistance; Need to increase miscellaneous part, control is complicated, such as producing the moment of resistance with cylinder or hydraulic cylinder.And have a lot of insurmountable drawbacks, such as leakage problem contaminated environment etc.
Summary of the invention
The purpose of this utility model provides a kind of electric boosting steering system performance test platform, adopt the steering drag of flexible member simulation steering column, can gather materials on the spot, reduce complexity, the cost squeeze of system to the full extent, and can fundamentally solve problems such as hydraulic fluid leak.
The technical scheme that the utility model adopted is, a kind of electric boosting steering system performance test platform, comprise knuckle section and control section, knuckle section comprises firm banking, firm banking is provided with by the fixing steering gear of steering rack, the two ends of steering rack are connected with spring-damper respectively, one end of steering gear and steering axle is connected, the other end of steering axle is connected with steering wheel, the middle part of steering axle is fixed on the two ends of firm banking by fixed support, on steering axle, be disposed with rotary angle transmitter between steering wheel and the steering gear, reducing gear, torque sensor and universal joint, control section comprises electronic control unit, the input end of electronic control unit respectively and accumulator, torque sensor, rotary angle transmitter and analog signal generator are connected, the output terminal of electronic control unit passes through motor successively, clutch coupling is connected with reducing gear, the output terminal of electronic control unit also is connected with oscillograph, and analog signal generator also is connected with oscillograph.
Characteristics of the present utility model are that also the other end of spring-damper wherein is provided with the replacing spring assembly.
The beneficial effects of the utility model are:
(1) problems such as cost height, hydraulic fluid leak have been overcome;
(2) reduced the complexity of system;
(3) help to explore the power-assisted rule of motor, the operational effect of check power-assisted control program is analyzed the influence of EPS to the motor turning portability;
(4) reduced the danger that the road examination is carried out in direct entrucking.
Description of drawings
Fig. 1 is the structural representation of the utility model electric boosting steering system performance test platform.
Among the figure, 1. steering wheel, 2. rotary angle transmitter, 3. steering axle, 4. fixed support, 5. reducing gear, 6. universal joint, 7. motor, 8. clutch coupling, 9. torque sensor, 10. analog signal generator, 11. electronic control units, 12. accumulators, 13. oscillograph, 14. change spring assembly, 15. spring-dampers, 16. steering gear, 17. steering racks, 18. firm bankings.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The structure of the utility model electric boosting steering system performance test platform, as shown in Figure 1, comprise knuckle section and control section, knuckle section comprises firm banking 18, firm banking 18 is provided with the steering gear of fixing by steering rack 17 16, the two ends of steering rack 17 are connected with spring-damper 15 respectively, the other end of spring-damper 15 is provided with changes spring assembly 14, one end of steering gear 16 and steering axle 3 is connected, the other end of steering axle 3 is connected with steering wheel 1, the middle part of steering axle 3 is fixed on the two ends of firm banking 18 by fixed support 4, on steering axle 3, be disposed with rotary angle transmitter 2 between steering wheel 1 and the steering gear 16, reducing gear 5, torque sensor 9 and the universal joint 6 that makes up with transmission shaft, control section comprises electronic control unit 11, the input end of electronic control unit 11 respectively with torque sensor 9, rotary angle transmitter 2 and analog signal generator 10 are connected, the output terminal of electronic control unit 11 is successively by motor 7, clutch coupling 8 is connected with reducing gear 5, the output terminal of electronic control unit 11 also is connected with oscillograph 13, analog signal generator 10 also is connected with oscillograph 13, also is connected with the accumulator 12 that is used to power on the electronic control unit 11.
The course of work of the utility model electric boosting steering system performance test platform is: when handling steering wheel 1, be installed in the dtc signal that torque sensor 9 on the steering axle 3 constantly detects steering axle 3, dtc signal is passed to electronic control unit 11, rotary angle transmitter 2 constantly detects the corner value of steering axle 3, and the corner value is passed to electronic control unit 11.Simultaneously, digital signal generator 10 produces vehicle speed signal, and passes to electronic control unit 11, is used for electronic control unit 11 decisions and adopts which kind of power-assisted algorithm.When the dtc signal that is input to electronic control unit 11 surpasses the threshold value of beginning power-assisted (according to the real train test data, EPS just began to provide power-assisted when input torque surpassed 1Nm), electronic control unit 11 sends instructions to motor 7 and makes it export corresponding power-assisted.When the dtc signal that is input to electronic control unit 11 was lower than the threshold value that needs power-assisted, electronic control unit 11 sent instruction for simultaneously motor 7 and clutch coupling 8, made clutch coupling 8 actions to disconnect servomechanism, and the driver obtains good road feel.By changing the characteristic that springs in the spring-damper 15 change spring-damper 15, simulate under the situation of different road surfaces steering drag to tire, for providing, the performance test of system closes to actual vehicle simulated environment.After a steering procedure finished, oscillograph 13 was gathered the power-assisted electric current in real time from motor side 7, contrasts by the vehicle speed signal with input, verified the effect of the power-assisted control of this experimental provision.
On this test platform, can carry out following test:
(1) to carrying out the sinusoidal input test of steering wheel angle, record hand-wheel torque-electric current assist characteristic curve under the different speed of a motor vehicle.
(2), different steering wheel angles position let go back just test under the different speed of a motor vehicle.
The utility model electric boosting steering system performance test platform, adopt the steering drag of flexible member simulation steering column, can gather materials on the spot, reduce complexity, the cost squeeze of system to the full extent and can fundamentally solve problems such as hydraulic fluid leak, it is simple in structure, cheap, use is reliable, and energy-conservation.
Claims (2)
1. electric boosting steering system performance test platform, it is characterized in that, comprise knuckle section and control section, described knuckle section comprises firm banking (18), firm banking (18) is provided with by the fixing steering gear (16) of steering rack (17), the two ends of steering rack (17) are connected with spring-damper (15) respectively, described steering gear (16) is connected with an end of steering axle (3), the other end of steering axle (3) is connected with steering wheel (1), the middle part of steering axle (3) is fixed on the two ends of firm banking (18) by fixed support (4), on steering axle (3), be disposed with rotary angle transmitter (2) between steering wheel (1) and the steering gear (16), reducing gear (5), torque sensor (9) and universal joint (6), described control section comprises electronic control unit (11), the input end of electronic control unit (11) respectively and accumulator (12), torque sensor (9), rotary angle transmitter (2) and analog signal generator (10) are connected, the output terminal of electronic control unit (11) is successively by motor (7), clutch coupling (8) is connected with reducing gear (5), the output terminal of electronic control unit (11) also is connected with oscillograph (13), and described analog signal generator (10) also is connected with oscillograph (13).
2. electric boosting steering system performance test platform according to claim 1 is characterized in that, the other end of described spring-damper (15) is provided with changes spring assembly (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920318468XU CN201594043U (en) | 2009-12-25 | 2009-12-25 | Performance testing platform of electric power steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920318468XU CN201594043U (en) | 2009-12-25 | 2009-12-25 | Performance testing platform of electric power steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201594043U true CN201594043U (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920318468XU Expired - Fee Related CN201594043U (en) | 2009-12-25 | 2009-12-25 | Performance testing platform of electric power steering system |
Country Status (1)
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| CN (1) | CN201594043U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750217B (en) * | 2010-01-08 | 2011-06-29 | 山东理工大学 | Steering test stand simulating multiple work conditions of automobile |
| CN102128722A (en) * | 2010-12-28 | 2011-07-20 | 奇瑞汽车股份有限公司 | System and method for testing steering system of automobile |
| CN102661868A (en) * | 2012-04-18 | 2012-09-12 | 清华大学 | Measuring method of rotating inertia and damping parameter of automobile steering control mechanism |
| CN102661869A (en) * | 2012-04-18 | 2012-09-12 | 清华大学 | Method for measuring rotational inertia and damping parameter of steering control mechanism of automobile |
| CN103293009A (en) * | 2013-06-04 | 2013-09-11 | 重庆大学 | Device and method for testing electronic power steering system of automobile |
| CN106872188A (en) * | 2016-12-30 | 2017-06-20 | 合肥工业大学 | A kind of In-wheel motor driving electric vehicle rotary is to experimental bench |
| CN107226130A (en) * | 2017-07-21 | 2017-10-03 | 河南理工大学 | Electric boosting steering system and its diversion experiments simulation system |
| CN108827663A (en) * | 2018-08-03 | 2018-11-16 | 合肥百川自动化科技有限公司 | A kind of steering shaft detection device for combination property |
| CN110018001A (en) * | 2019-04-24 | 2019-07-16 | 广州小鹏汽车科技有限公司 | A kind of the steering system assembly experimental rig and method of simulated roadway |
| CN110271689A (en) * | 2019-06-03 | 2019-09-24 | 西安飞机工业（集团）有限责任公司 | A kind of electronic detection device of aircraft nose wheel turning |
| CN110827615A (en) * | 2019-12-24 | 2020-02-21 | 吉林大学 | Steering feeling simulation device applied to driving simulator |
| WO2020145922A1 (en) | 2019-01-07 | 2020-07-16 | Aselsan Elektroni̇k Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | A torque loading test device |
| CN113311264A (en) * | 2021-05-22 | 2021-08-27 | 秦皇岛东霖科技有限公司 | Automobile electronic steering gear maintenance test platform and use method thereof |
-
2009
- 2009-12-25 CN CN200920318468XU patent/CN201594043U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750217B (en) * | 2010-01-08 | 2011-06-29 | 山东理工大学 | Steering test stand simulating multiple work conditions of automobile |
| CN102128722A (en) * | 2010-12-28 | 2011-07-20 | 奇瑞汽车股份有限公司 | System and method for testing steering system of automobile |
| CN102661868A (en) * | 2012-04-18 | 2012-09-12 | 清华大学 | Measuring method of rotating inertia and damping parameter of automobile steering control mechanism |
| CN102661869A (en) * | 2012-04-18 | 2012-09-12 | 清华大学 | Method for measuring rotational inertia and damping parameter of steering control mechanism of automobile |
| CN102661869B (en) * | 2012-04-18 | 2013-06-12 | 清华大学 | Method for measuring rotational inertia and damping parameter of steering control mechanism of automobile |
| CN102661868B (en) * | 2012-04-18 | 2013-08-07 | 清华大学 | Measuring method of rotating inertia and damping parameter of automobile steering control mechanism |
| CN103293009A (en) * | 2013-06-04 | 2013-09-11 | 重庆大学 | Device and method for testing electronic power steering system of automobile |
| CN103293009B (en) * | 2013-06-04 | 2015-04-15 | 重庆大学 | Device and method for testing electronic power steering system of automobile |
| CN106872188A (en) * | 2016-12-30 | 2017-06-20 | 合肥工业大学 | A kind of In-wheel motor driving electric vehicle rotary is to experimental bench |
| CN107226130A (en) * | 2017-07-21 | 2017-10-03 | 河南理工大学 | Electric boosting steering system and its diversion experiments simulation system |
| CN108827663A (en) * | 2018-08-03 | 2018-11-16 | 合肥百川自动化科技有限公司 | A kind of steering shaft detection device for combination property |
| WO2020145922A1 (en) | 2019-01-07 | 2020-07-16 | Aselsan Elektroni̇k Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | A torque loading test device |
| EP3908522A4 (en) * | 2019-01-07 | 2022-03-23 | Aselsan Elektronik Sanayi ve Ticaret Anonim Sirketi | A torque loading test device |
| CN110018001A (en) * | 2019-04-24 | 2019-07-16 | 广州小鹏汽车科技有限公司 | A kind of the steering system assembly experimental rig and method of simulated roadway |
| CN110271689A (en) * | 2019-06-03 | 2019-09-24 | 西安飞机工业（集团）有限责任公司 | A kind of electronic detection device of aircraft nose wheel turning |
| CN110827615A (en) * | 2019-12-24 | 2020-02-21 | 吉林大学 | Steering feeling simulation device applied to driving simulator |
| CN113311264A (en) * | 2021-05-22 | 2021-08-27 | 秦皇岛东霖科技有限公司 | Automobile electronic steering gear maintenance test platform and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20121225 |