CN205038056U - Auto electric power assisted steering testing experiment platform - Google Patents
Auto electric power assisted steering testing experiment platform Download PDFInfo
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- CN205038056U CN205038056U CN201520703485.0U CN201520703485U CN205038056U CN 205038056 U CN205038056 U CN 205038056U CN 201520703485 U CN201520703485 U CN 201520703485U CN 205038056 U CN205038056 U CN 205038056U
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Abstract
The utility model provides an auto electric power assisted steering tests the test bench, and this auto electric power assisted steering test test bench includes steering wheel and steering spindle, the test bench still includes: the operating mode controller, simulation driving device, the simulation driving device is connected with the steering spindle, is dragged machine controller and operating mode controller to be connected, and the quilt is dragged motor and steering spindle to be connected and is turned to the load moment and travel data output according to the simulation of being dragged machine controller, power -assisted steering device, power -assisted steering device include helping hand controller and helping hand motor, and the helping hand controller is connected with the helping hand motor, and the helping hand controller is connected with the operating mode controller, and helping hand controller and steering spindle be connected in order to gather the steering wheel to the steering moment data of steering spindle input, and the helping hand motor is connected with the steering spindle, and the helping hand controller traveles data according to the simulation and controls the helping hand motor with the comparative result of steering moment data and export helping hand moment to the steering spindle. The automotive test test bench can be solved among the prior art to this test bench can't carry out the problem of testing to cornering ability and the reliability of a steering system in the speed of a motor vehicle of going.
Description
Technical field
The present invention relates to automotive development test field, test bed in particular to a kind of automobile electric power-assisted steering.
Background technology
Along with the fast development of automotive electronic technology, automobile electric booster steering system is as the important component part of automotive electronics, and it has the advantages such as assist characteristic is good, energy consumption is low, structure is simple, cryogenic property is good, environmental pollution is little.Through development, the performance advantage of electronics force aid system improves day by day, but still has much room for improvement in the reliability improving force aid system and optimization assist characteristic and improve.
Electric boosting steering system is that set electron controls and Machine Design and the integrated control system of height integrally, it mainly comprises the compositions such as electronic control unit (ECU), torque sensor, steering assist motor and reducing gear, needs to carry out verifying and testing through a large amount of actual operating mode in the performance history of steering.
In the testing table that steering is tested, major part is all by simulating steering load with load on spring, such testing table can only simulate the operating mode that automobile in-place turns to, and the test of the steering behaviour of steering in speed of operation and reliability can only be tested in test site by real vehicle, which not only adds danger coefficient during test, and extend the construction cycle of new product, add cost of development.
Summary of the invention
It is test bed that the present invention aims to provide a kind of automobile electric power-assisted steering, cannot carry out the problem of testing to solve automotive test testing table in prior art for the steering behaviour of steering in speed of operation and reliability.
To achieve these goals, it is of the present utility model that to be that example provides a kind of automobile electric power-assisted steering test bed, the test bed steering axle comprising steering wheel and be connected with steering wheel of automobile electric power-assisted steering, automobile electric power-assisted steering is test bed also to be comprised: condition controller; Simulated driving device, simulated driving device is connected with steering axle, and simulated driving device is connected with condition controller; Power steering apparatus, power steering apparatus comprises assist controller and assist motor, assist controller is connected with assist motor, assist controller is connected with condition controller, and assist controller is connected the steering moment data inputted to steering axle to gather steering wheel with steering axle, assist motor is connected with steering axle, and assist controller controls assist motor according to the comparative result of simulated driving data and steering moment data and exports assist torque to steering axle.
Further, simulated driving device comprises: dragged electric machine controller, is dragged electric machine controller to be connected to transmit simulated driving data with condition controller; Being dragged motor, being dragged motor to be connected with dragging electric machine controller, dragged motor to be connected to produce simulated driving data to steering axle with steering axle.
Further, simulated driving device also comprises: a CAN card, and the first terminals of a CAN card are connected with condition controller, and the second terminals of a CAN card are connected with dragging electric machine controller.
Further, power steering apparatus also comprises: torque sensor, and the signal input part of torque sensor is connected with steering axle, and the signal output part of torque sensor is connected with assist controller.
Further, power steering apparatus also comprises: the 2nd CAN card, and the first terminals of the 2nd CAN card are connected with condition controller, and the second terminals of the 2nd CAN card are connected with assist controller.
Further, power steering apparatus also comprises the first speed reduction unit, wherein, first speed reduction unit comprises interconnective first web member and the second web member, first web member is connected with steering axle, and the second web member is connected with the power output shaft of assist motor, and the second web member drives the first web member.
Further, automobile electric power-assisted steering is test bed also comprises the second speed reduction unit, wherein, second speed reduction unit comprises interconnective 3rd web member and the 4th web member, 3rd web member is connected with steering axle, 4th web member is connected with dragging the power output shaft of motor, and the 4th web member drives the 3rd web member to realize slowing down.
Further, automobile electric power-assisted steering is test bed also comprises: install stand; First mounting structure, the first mounting structure is fixedly mounted on to be installed on stand, and simulated driving device is arranged on the first mounting structure; Second mounting structure, power steering apparatus is arranged on the second mounting structure.
Further, the first mounting structure comprises: regulating orifice plate, and regulating orifice plate is fixedly mounted on to be installed on stand; Mount pad, mount pad adjustable ground is arranged on regulating orifice plate, and simulated driving device is arranged on mount pad.
Further, the second mounting structure comprises: first regulates slide rail, and first regulates slide rail to be fixedly mounted on installs on stand; Second regulates slide rail, and second regulates slide rail slide rail can be regulated adjustably to be connected on the first adjustment slide rail along first, and power steering apparatus is arranged on the second adjustment slide rail.
Apply technical scheme of the present invention, this automobile electric power-assisted steering is test bed comprises interconnective steering wheel and steering column, and condition controller, simulated driving device and power steering apparatus, simulated driving device, power steering apparatus are all connected with condition controller, wherein, simulated driving device is used for the actual travel resistance of simulating vehicle, by the actual travel resistance of condition controller collection simulation gained, the assist motor that condition controller is controlling power assisting device transition exports power steering moment to realize power-assisted steering to steering column.This automobile electric power-assisted steering is test bed can the actual travel resistance of accurate simulation vehicle when road traveling, then by condition controller to the form data analysis collected, then control power steering apparatus and export power steering moment, thus the object reached for the electric boosting steering system of traveling vehicle condition testing automobile on testing table, the cycle of Car design can be shortened like this, and reducing costs, and test process safety.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the composition structural representation of the test bed embodiment of automobile electric power-assisted steering of the present utility model;
Fig. 2 shows the mounting structure schematic diagram of the test bed embodiment of automobile electric power-assisted steering of the present utility model;
Fig. 3 shows the main TV structure schematic diagram of Fig. 2;
Fig. 4 shows the mount pad of the test bed embodiment of automobile electric power-assisted steering of the present utility model and is dragged the syndeton schematic diagram of motor.
Reference numeral: 10, steering wheel; 20, steering axle; 30, industry control controller; 40, simulated driving device; 41, electric machine controller is dragged; 42, motor is dragged; 43, a CAN card; 50, power steering apparatus; 51, assist controller; 52, assist motor; 53, torque sensor; 54, the 2nd CAN card; 55, the first speed reduction unit; 60, the second speed reduction unit; 70, stand is installed; 81, the first mounting structure; 811, regulating orifice plate; 812, mount pad; 82, the second mounting structure; 821, first slide rail is regulated; 822, second slide rail is regulated; 90, pilot set mounting structure; 100, motor power.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figure 1, The embodiment provides a kind of automobile electric power-assisted steering test bed, this testing table is that the pipe column type electric power-assisted steering of motor turning is test bed.The test bed steering axle 20 comprising steering wheel 10 and be connected with steering wheel 10 of this motor turning, and condition controller 30, simulated driving device 40 and power steering apparatus 50, in the present embodiment, simulated driving device 40 is connected with steering axle 20, simulated driving device 40 is connected with condition controller 30, condition controller 30 gathers the simulated driving data of simulated driving device 40, power steering apparatus 50 comprises assist controller 51 and assist motor 52, assist controller 51 is connected with assist motor 52, assist controller 51 is connected with condition controller 30, and assist controller 51 is connected to gather the steering moment data that steering wheel 10 inputs to steering axle 20 with steering axle 20, assist motor 52 is connected with steering axle 20, assist controller 51 controls assist motor 52 according to the comparative result of simulated driving data and steering moment data and exports assist torque to steering axle 20.
This automobile electric power-assisted steering is test bed can the actual travel resistance of accurate simulation vehicle when road traveling, then by condition controller to the form data analysis collected, then control power steering apparatus and export power steering moment, thus the object reached for the electric boosting steering system of traveling vehicle condition testing automobile on testing table, the R&D cycle of Car design can be shortened like this, and reducing costs, and test process safety.
In the present embodiment, simulated driving device 40 comprises and is dragged electric machine controller 41 and dragged motor 42, electric machine controller 41 is dragged to be connected to transmit simulated driving data with condition controller 30, motor 42 is dragged to be connected with dragging electric machine controller 41, dragged motor 42 to be connected to produce simulated driving data to steering axle 20 with steering axle 20, and dragged electric machine controller 41 to detect simulated driving data.Testing table is by being dragged motor 42 to produce torque, and this torque is applied in steering axle 20, thus realization utilization is simulated by the surface resistance dragging motor 42 pairs of vehicles to be subject in motion, so just no longer needs car load could test automobile assisted power steering system during actual travel on road surface.Run after torque is produced to steering axle 20 dragging motor 42, dragged electric machine controller 41 to dragged motor 42 the data of torque that produce gather, and be transferred in condition controller 30 and be analyzed with the parameters that pre-enters, then analytical structure is fed back to assist controller 51 by condition controller 30, and send operating instruction by assist controller 51 to assist motor 52, make assist motor 52 export the torque driving steering axle 20 to overcome running resistance according to the instruction obtained.As shown in Figure 1, assist motor 52 and dragged motor 42 all to provide electric energy by motor power 100.
Particularly, simulated driving device 40 also comprises a CAN card 43, store the analogue enlargement agreement pre-entered in one CAN card 43, the first terminals of a CAN card 43 are connected with condition controller 30, and the second terminals of a CAN card 43 are connected with dragging electric machine controller 41.When the test bed operation of motor turning, analogue enlargement agreement carries the simulated driving instruction of coming to be sent corresponding response instruction to dragging electric machine controller 41 according to condition controller 10, dragged electric machine controller 41 to distribute to according to response instruction and dragged motor 42 corresponding voltage, electric current, make to be dragged motor 42 to produce the running resistance that in corresponding simulation actual travel process, vehicle is subject to.In the same manner, when being dragged after electric machine controller 41 detects the drag torque that steering axle 20 is subject to, by the analogue enlargement agreement of a CAN card 43, testing result is transferred to condition controller 30 equally.In the present embodiment, power steering apparatus 50 also comprises the 2nd CAN card 54 and torque sensor 53, first terminals of the 2nd CAN card 54 are connected with condition controller 30, second terminals of the 2nd CAN card 54 are connected with assist controller 51, and the signal input part of torque sensor 53 is connected with steering axle 20, the signal output part of torque sensor 53 is connected with assist controller 51.Power assisted control agreement is pre-set in 2nd CAN card 54, when steering wheel 10 is to after steering axle 20 input redirect moment, torque sensor 43 detects the steering moment data of steering axle 20 generation and is sent to assist controller 51, then these steering moment data are transferred to the 2nd CAN card the 54, two CAN card 54, by corresponding Power assisted control agreement, this torque data are finally transferred to condition controller 30 by assist controller 51.Now, the torque data that 2nd CAN card 54 transmits by condition controller 30 and the torque data that a CAN card 43 transmits compare analysis, then, condition controller 30 will be analyzed acquired results and export to the 2nd CAN card 54,2nd CAN card 54 by corresponding Power assisted control agreement to assist controller 51 sending controling instruction, assist controller 51 distributes corresponding voltage, electric current according to steering order to assist motor 52, makes assist motor 52 export corresponding assist torque to realize power-assisted steering to steering axle 20.Realizing in the process that turns to, dragged motor 42 exporting corresponding aligning torque according to torque signals according to analogue enlargement agreement corresponding in a CAN card 43, thus the aligning torque that the transfer of simulating vehicle actual travel process is produced backward.
As shown in Figure 1, power steering apparatus 50 also comprises the first speed reduction unit 55, wherein, first speed reduction unit 55 comprises interconnective first web member and the second web member, first web member is connected with steering axle 20, second web member is connected with the power output shaft of assist motor 52, and the second web member drives the first web member.Like this, when assist motor 52 exports power steering torque to steering axle 20, after increasing square by the first speed reduction unit 55 deceleration, the torque that first speed reduction unit 55 exports to steering axle 20 increases, thus improve the work efficiency of assist motor 52, realize small area analysis input and assist motor 52 can be made to provide required power steering torque for steering axle 20.
In the present embodiment, in order to improve by the object of dragging motor 42 to realize simulating actual travel resistance further, make by the resistance simulation effect of dragging motor 42 can realize small area analysis equally can to reach required, therefore, automobile electric power-assisted steering is test bed also comprises the second speed reduction unit 60, wherein, second speed reduction unit 60 comprises interconnective 3rd web member and the 4th web member, 3rd web member is connected with steering axle 20,4th web member is connected with dragging the power output shaft of motor 42, and the 4th web member drives the 3rd web member to realize slowing down.
Preferably, first speed reduction unit 55 of the present embodiment and the second speed reduction unit 60 are turbine and worm mechanism, and wherein the first web member is connected the turbine seen and be and be connected with steering axle 20 with the 3rd, and the second web member and the 4th web member are corresponding worm screw.
As shown in Figures 2 to 4, this automobile electric power-assisted steering installs stand 70, first mounting structure 81 and the second mounting structure 82 test bed also comprising, first mounting structure 81 is fixedly mounted on to be installed on stand 70, simulated driving device 40 is arranged on the first mounting structure 81, and power steering apparatus 50 is arranged on the second mounting structure 82.Wherein, first mounting structure 81 comprises regulating orifice plate 811 and mount pad 812, regulating orifice plate 811 is fixedly mounted on to be installed on stand 70, mount pad 812 adjustable ground is arranged on regulating orifice plate 811, simulated driving device 40 is arranged on mount pad 812, can will motor 42 be dragged to be fixedly mounted on mount pad individually in the present embodiment.Suitably regulated the position of mount pad 812 by the multiple adjustment holes on regulating orifice plate 811, make to be dragged motor 42 by the exact connect ion of the second speed reduction unit 60 with steering axle 20 to reach.And, the setting angle of mount pad 812 can regulate, can regulate like this by the Best link angle of dragging between motor 42 and steering axle 20, thus eliminate by the connection stress dragged between motor 42 and steering axle 20, make by drag motor 42 to export torque all for simulating actual travel resistance.
In conjunction with see shown in Fig. 2 and Fig. 3, in order to improve the work efficiency of this testing table of assembling, and can be quicker, regulate steering axle 20 and by the connection angle dragged between motor 42 exactly, also can regulate the link position between the output shaft of assist motor 52 and steering axle 20 and connection angle simultaneously, therefore, second mounting structure 82 comprises the first adjustment slide rail 821 and second and regulates slide rail 822, first regulates slide rail 821 to be fixedly mounted on installs on stand 70, second regulates slide rail 822 slide rail 821 can be regulated adjustably to be connected on the first adjustment slide rail 821 along first, power steering apparatus 50 is arranged on the second adjustment slide rail 822.In the present embodiment, first regulates the installation direction of slide rail 821 perpendicular to the direction of its straight line traveling of simulation, the direction that second its straight line regulating the installation direction of slide rail 822 to be parallel to simulation travels, thus the synergic adjustment effect of slide rail 821 and the second adjustment slide rail 822 is regulated by first, realize the multiposition of assist motor 52 and the adjustment of multi-angle, to obtain the Best link state between assist motor 52 and steering axle 20.
In the present embodiment, this testing table also comprises the installation site opposite position pilot set mounting structure 90 be arranged on steering wheel 10, this pilot set mounting structure 90 is two mounting guide rails be arranged in parallel, pilot set is arranged on mounting guide rail, can regulate the front and back position of pilot set relative to steering wheel 10, thus adapt to different test operation persons and apply when this testing table is tested and all can obtain correct operation posture, the actual driving condition of driver in this testing table simulating vehicle actual travel process of application further.
After whole testing table all works together, just can by realizing the performance of low speed steering in detection and test to the simulation of steering load moment actual travel resistance, realize testing steering sooner, more easily with safer test mode, thus shorten the construction cycle.At test period, this testing table also can carry out injection test to the hardware fault of steering controller, and when steering controller breaks down, the failure response detecting force aid system evaluates the functional safety of steering controller.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an automobile electric power-assisted steering is test bed, the test bed steering axle (20) comprising steering wheel (10) and be connected with described steering wheel (10) of described automobile electric power-assisted steering, it is characterized in that, described automobile electric power-assisted steering is test bed also to be comprised: condition controller (30), simulated driving device (40), described simulated driving device (40) is connected with described steering axle (20), and described simulated driving device (40) is connected with described condition controller (30), power steering apparatus (50), described power steering apparatus (50) comprises assist controller (51) and assist motor (52), described assist controller (51) is connected with described assist motor (52), described assist controller (51) is connected with described condition controller (30), and described assist controller (51) is connected to gather the steering moment data that described steering wheel (10) inputs to described steering axle (20) with described steering axle (20), described assist motor (52) is connected with described steering axle (20), described assist controller (51) controls described assist motor (52) according to the comparative result of described simulated driving data and described steering moment data and exports assist torque to described steering axle (20).
2. automobile electric power-assisted steering according to claim 1 is test bed, it is characterized in that, described simulated driving device (40) comprising: dragged electric machine controller (41), and the described electric machine controller (41) that dragged is connected to transmit described simulated driving data with described condition controller (30); Dragged motor (42), the described motor (42) that dragged is connected with the described electric machine controller (41) that dragged, and the described motor (42) that dragged is connected to produce described simulated driving data to described steering axle (20) with described steering axle (20).
3. automobile electric power-assisted steering according to claim 2 is test bed, it is characterized in that, described simulated driving device (40) also comprises: a CAN card (43), first terminals of a described CAN card (43) are connected with described condition controller (30), and the second terminals of a described CAN card (43) are connected with the described electric machine controller (41) that dragged.
4. automobile electric power-assisted steering according to claim 1 is test bed, it is characterized in that, described power steering apparatus (50) also comprises: torque sensor (53), the signal input part of described torque sensor (53) is connected with described steering axle (20), and the signal output part of described torque sensor (53) is connected with described assist controller (51).
5. automobile electric power-assisted steering according to claim 1 is test bed, it is characterized in that, described power steering apparatus (50) also comprises: the 2nd CAN card (54), first terminals of described 2nd CAN card (54) are connected with described condition controller (30), and the second terminals of described 2nd CAN card (54) are connected with described assist controller (51).
6. automobile electric power-assisted steering according to claim 1 is test bed, it is characterized in that, described power steering apparatus (50) also comprises the first speed reduction unit (55), wherein, described first speed reduction unit (55) comprises interconnective first web member and the second web member, described first web member is connected with described steering axle (20), described second web member is connected with the power output shaft of described assist motor (52), and described second web member drives described first web member.
7. automobile electric power-assisted steering according to claim 6 is test bed, it is characterized in that, described automobile electric power-assisted steering is test bed also comprises the second speed reduction unit (60), wherein, described second speed reduction unit (60) comprises interconnective 3rd web member and the 4th web member, described 3rd web member is connected with described steering axle (20), described 4th web member is dragged the power output shaft of motor (42) to be connected with described, and described 4th web member drives described 3rd web member to realize slowing down.
8. automobile electric power-assisted steering according to claim 1 is test bed, it is characterized in that, described motor turning is test bed also to be comprised: install stand (70); First mounting structure (81), described first mounting structure (81) is fixedly mounted on described installation stand (70), and described simulated driving device (40) is arranged on described first mounting structure (81); Second mounting structure (82), described power steering apparatus (50) is arranged on described second mounting structure (82).
9. automobile electric power-assisted steering according to claim 8 is test bed, it is characterized in that, described first mounting structure (81) comprising: regulating orifice plate (811), and described regulating orifice plate (811) is fixedly mounted on described installation stand (70); Mount pad (812), described mount pad (812) adjustable ground is arranged on described regulating orifice plate (811), and described simulated driving device (40) is arranged on described mount pad (812).
10. automobile electric power-assisted steering is test bed according to claim 8, it is characterized in that, second mounting structure (82) comprising: first regulates slide rail (821), and described first regulates slide rail (821) to be fixedly mounted on described installation stand (70); Second regulates slide rail (822), described second regulates slide rail (822) slide rail (821) can be regulated adjustably to be connected to described first along described first regulates on slide rail (821), and described power steering apparatus (50) is arranged on described second and regulates on slide rail (822).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703485.0U CN205038056U (en) | 2015-09-11 | 2015-09-11 | Auto electric power assisted steering testing experiment platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703485.0U CN205038056U (en) | 2015-09-11 | 2015-09-11 | Auto electric power assisted steering testing experiment platform |
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| Publication Number | Publication Date |
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| CN205038056U true CN205038056U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520703485.0U Expired - Fee Related CN205038056U (en) | 2015-09-11 | 2015-09-11 | Auto electric power assisted steering testing experiment platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295440A (en) * | 2021-07-06 | 2021-08-24 | 卢素云 | Experimental device for electronic power-assisted steering system |
| CN113758732A (en) * | 2020-06-01 | 2021-12-07 | 蜂巢智能转向系统(江苏)有限公司保定分公司 | Electric power steering simulator and method for detecting electric power steering system |
| CN114132377A (en) * | 2021-12-27 | 2022-03-04 | 联创汽车电子有限公司 | EPS moment control method, storage medium and module |
| CN114152450A (en) * | 2021-11-15 | 2022-03-08 | 中汽创智科技有限公司 | Load simulation device and electromagnetic compatibility test system |
| CN114152450B (en) * | 2021-11-15 | 2024-04-26 | 中汽创智科技有限公司 | Load simulation device and electromagnetic compatibility test system |
-
2015
- 2015-09-11 CN CN201520703485.0U patent/CN205038056U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758732A (en) * | 2020-06-01 | 2021-12-07 | 蜂巢智能转向系统(江苏)有限公司保定分公司 | Electric power steering simulator and method for detecting electric power steering system |
| CN113295440A (en) * | 2021-07-06 | 2021-08-24 | 卢素云 | Experimental device for electronic power-assisted steering system |
| CN114152450A (en) * | 2021-11-15 | 2022-03-08 | 中汽创智科技有限公司 | Load simulation device and electromagnetic compatibility test system |
| CN114152450B (en) * | 2021-11-15 | 2024-04-26 | 中汽创智科技有限公司 | Load simulation device and electromagnetic compatibility test system |
| CN114132377A (en) * | 2021-12-27 | 2022-03-04 | 联创汽车电子有限公司 | EPS moment control method, storage medium and module |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20160911 |