CN201184845Y - Test system for electric power-assisted steering device - Google Patents
Test system for electric power-assisted steering device Download PDFInfo
- Publication number
- CN201184845Y CN201184845Y CNU2008200854717U CN200820085471U CN201184845Y CN 201184845 Y CN201184845 Y CN 201184845Y CN U2008200854717 U CNU2008200854717 U CN U2008200854717U CN 200820085471 U CN200820085471 U CN 200820085471U CN 201184845 Y CN201184845 Y CN 201184845Y
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- assisted steering
- steering apparatus
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Abstract
The utility model relates to an electric power-assisted steering device test system, which comprises a driving unit capable of driving an electric power-assisted steering device to run, a loading unit capable of setting the loads on the electric power-assisted steering device to be tested, and a sensing unit capable of acquiring the working parameters of the electric power-assisted steering device to be tested. The driving unit is a drive motor connected with a driver. The output of a sensing unit is connected with the input of a magnifying unit. The output of the magnifying unit is connected with the input of an isolated location; the output of the isolated location is connected with the input of a collection unit. The output of the collection unit is connected with a central processing unit connected with a display unit. The central processing unit is connected with a trouble alarming unit. The electric power-assisted steering device test system can comprehensively test the properties of the electric power-assisted steering device, and automatically draw performance characteristic curves, prepare data sheets and generate test reports. The test is operated simply and conveniently; the efficiency is high; the test data are accurate and reliable; the electric power-assisted steering device test system brings convenience to identification of quality products and inferior products, and provides high quality electric power-assisted steering devices.
Description
Technical field
The utility model belongs to the auto parts and components production field, relates in particular to a kind of electric power-assisted steering apparatus test macro.
Background technology
Along with the fast development of auto electronics industry, people have higher requirement to the comfortableness of car steering.The utilization of electric power-assisted steering apparatus (EPS) on automobile makes portability, comfortableness, security and the operational stability of motor turning obtain significantly improving, and demonstrates fully the advantage of energy-saving and environmental protection.Because the inner structure complexity of electric power-assisted steering apparatus, properties of product require very strict, so very big to the performance test and the parameter acquisition difficulty of electric power-assisted steering apparatus.
Summary of the invention
The utility model mainly solves the performance test of electric power-assisted steering apparatus and the very large technical matters of parameter acquisition difficulty; Providing a kind of can carry out performance test and parameter acquisition to electric power-assisted steering apparatus easily, generates test report, draws family curve, effectively distinguishes the electric power-assisted steering apparatus test macro of the quality of electric power-assisted steering apparatus.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the utility model comprises driver element, the loading unit that electric power-assisted steering apparatus load size to be measured can be set that can make electric power-assisted steering apparatus operation to be measured, the sensing unit that can obtain the operational factor of electric power-assisted steering apparatus to be measured, the output of sensing unit connects the input of amplifying unit, the output of amplifying unit connects the input of collecting unit, and the output of collecting unit has the CPU (central processing unit) of display unit in succession.CPU (central processing unit) inside is equipped with the testing software of electric power-assisted steering apparatus.By loading unit the load size is set, start driver element, make electric power-assisted steering apparatus to be measured by the parameter operation is set, sensing unit is given amplifying unit with the induced signal that obtains, signal after amplifying unit will amplify is given collecting unit, by the computing and the A/D processing of collecting unit, gives CPU (central processing unit) with digital signal, after the computing of the testing software of CPU (central processing unit) inside and processing, formation curve figure, data and test report also send display unit to show.Make the tester can understand the operational factor and the performance of electric power-assisted steering apparatus to be measured intuitively, be convenient to distinguish the quality of electric power-assisted steering apparatus, guarantee high-quality product, and detecting operation is very convenient.
As preferably, the output of described amplifying unit, the input of collecting unit link to each other by isolated location, and the output of amplifying unit connects the input of isolated location, and the output of isolated location connects the input of collecting unit.The signal that amplifying unit has amplified is given collecting unit again through isolated location, has avoided the phase mutual interference between product to be measured and the CPU (central processing unit), has both guaranteed that the performance of product to be measured is unaffected, has also protected the operate as normal of CPU (central processing unit).
As preferably, described CPU (central processing unit) links to each other with the fault alarm unit.Do not conform to standard value in case measure performance, the parameter of product to be measured, CPU (central processing unit) is exported control signal immediately and is started alarm unit, sends warning, reminds the tester to find faulty item, is convenient to deal with.
As preferably, described CPU (central processing unit), display unit adopt the PC computer, and described collecting unit is for inserting the capture card on the slot in the PC host computer.Testing software is installed on the PC computer as application software.System's connection and test operation are all very convenient, and properties of product curve map, test report can show by the display of PC computer, and by connecting printer, can also easily performance chart, test report be printed.
As preferably, described sensing unit comprises torque sensor, current sensor.Can measure the parameters such as input and output moment of torsion, input corner, product mechanical property, assist motor characteristic, sensor torque characteristics of electric power-assisted steering apparatus.Obtain the performance parameter of omnibearing electric power-assisted steering apparatus, test more comprehensively.
As preferably, described driver element is the drive motor that links to each other with driver.
The beneficial effects of the utility model are: can carry out the performance synthesis property testing to electric power-assisted steering apparatus, can measure parameters such as input and output moment of torsion, input corner, product mechanical property, assist motor characteristic, sensor torque characteristics, adopt computer controlled automatic and data processing, automatic rendering performance family curve, the organized data table generates test report.Test operation is simple and convenient, the efficient height, and test data is accurately and reliably.
Description of drawings
Fig. 1 is that a kind of circuit of the present utility model connects block diagram.
1. driver elements among the figure, 2. loading unit, 3. sensing unit, 4. amplifying unit, 5. isolated location, 6. collecting unit, 7. display unit, 8. CPU (central processing unit), 9. fault alarm unit, 10.PC computer, 11. drivers, 12. drive motor, 13. electric power-assisted steering apparatus to be measured.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the electric power-assisted steering apparatus test macro of present embodiment, as shown in Figure 1, comprise driver element 1, the loading unit 2 that electric power-assisted steering apparatus 13 load sizes to be measured can be set that can make electric power-assisted steering apparatus 13 operations to be measured, the sensing unit 3 that can obtain the operational factor of electric power-assisted steering apparatus 13 to be measured.Driver element 1 is the drive motor 12 that links to each other with driver 11.Sensing unit 3 comprises torque sensor, current sensor, the output of these sensors connects the input of amplifying unit 4, the output of amplifying unit 4 connects the input of isolated location 5, the output of isolated location 5 connects the input of collecting unit 6, and the output of collecting unit 6 has the CPU (central processing unit) 8 of display unit 7 in succession.In the present embodiment, CPU (central processing unit) 8, display unit 7 adopt PC computer 10, and collecting unit 6 is for inserting the capture card on the slot in the PC host computer.The PC computer links to each other with fault alarm unit 9 by the communication interface on it again.The testing software of electric power-assisted steering apparatus is installed on the PC computer as application software.
During test, electric power-assisted steering apparatus 13 to be measured is installed on the frock clamp of product worktable, requires the load size to be set by the loading unit on the control desk according to product type.Start drive motor by driver, make electric power-assisted steering apparatus to be measured by the parameter operation is set, each sensor is given capture card with the induced signal that obtains through amplifying unit and isolated location, computing and A/D by capture card handle, give PC computer with digital signal, by the computing and the processing of testing software in the computer, formation curve figure, data and test report and by display show, printer prints output.
Do not conform to standard value in case measure performance, the parameter of product to be measured, the PC computer is exported control signal immediately and is started the fault alarm unit, sends warning, reminds the tester to find faulty item, makes respective handling.
The utility model can carry out the performance synthesis property testing to electric power-assisted steering apparatus, can measure parameters such as input and output moment of torsion, input corner, product mechanical property, assist motor characteristic, sensor torque characteristics, adopt computer controlled automatic and data processing, automatic rendering performance family curve, the organized data table generates test report.Test operation is simple and convenient, the efficient height, and test data is convenient to distinguish good and bad product accurately and reliably, guarantees to provide high-quality electric power-assisted steering apparatus.
Claims (6)
1. electric power-assisted steering apparatus test macro, it is characterized in that comprising driver element (1), the loading unit (2) that electric power-assisted steering apparatus load size to be measured can be set that can make electric power-assisted steering apparatus operation to be measured, the sensing unit (3) that can obtain the operational factor of electric power-assisted steering apparatus to be measured, the output of sensing unit (3) connects the input of amplifying unit (4), the output of amplifying unit (4) connects the input of collecting unit (6), and the output of collecting unit (6) has the CPU (central processing unit) (8) of display unit (7) in succession.
2. electric power-assisted steering apparatus test macro according to claim 1, it is characterized in that the output of described amplifying unit (4), the input of collecting unit (6) link to each other by isolated location (5), the output of amplifying unit (4) connects the input of isolated location (5), and the output of isolated location (5) connects the input of collecting unit (6).
3. electric power-assisted steering apparatus test macro according to claim 1 is characterized in that described CPU (central processing unit) (8) links to each other with fault alarm unit (9).
4. according to claim 1 or 2 or 3 described electric power-assisted steering apparatus test macros, it is characterized in that described CPU (central processing unit) (8), display unit (7) adopt PC computer (10), described collecting unit (6) is for inserting the capture card on the slot in PC computer (10) main frame.
5. according to claim 1 or 2 or 3 described electric power-assisted steering apparatus test macros, it is characterized in that described sensing unit (3) comprises torque sensor, current sensor.
6. according to claim 1 or 2 or 3 described electric power-assisted steering apparatus test macros, it is characterized in that the drive motor (12) of described driver element (1) for linking to each other with driver (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200854717U CN201184845Y (en) | 2008-04-10 | 2008-04-10 | Test system for electric power-assisted steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200854717U CN201184845Y (en) | 2008-04-10 | 2008-04-10 | Test system for electric power-assisted steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201184845Y true CN201184845Y (en) | 2009-01-21 |
Family
ID=40272585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200854717U Expired - Fee Related CN201184845Y (en) | 2008-04-10 | 2008-04-10 | Test system for electric power-assisted steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201184845Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20090980A1 (en) * | 2009-06-05 | 2010-12-06 | Emmetec Srl | "UNIVERSAL ELECTRIC POWER STEERING UNITS TEST DEVICE" |
| 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 |
| CN104748984A (en) * | 2015-04-10 | 2015-07-01 | 哈尔滨力盛达机电科技有限公司 | Electric power steering test bench based on double motor control |
-
2008
- 2008-04-10 CN CNU2008200854717U patent/CN201184845Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20090980A1 (en) * | 2009-06-05 | 2010-12-06 | Emmetec Srl | "UNIVERSAL ELECTRIC POWER STEERING UNITS TEST DEVICE" |
| EP2259041A1 (en) * | 2009-06-05 | 2010-12-08 | Emmetec S.r.l. | Universal test device for electric power steering units |
| 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 |
| CN104748984A (en) * | 2015-04-10 | 2015-07-01 | 哈尔滨力盛达机电科技有限公司 | Electric power steering test bench based on double motor control |
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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: 20090121 Termination date: 20140410 |