CN204537607U - A kind of automobile electric power-assisted steering teaching equipment - Google Patents
A kind of automobile electric power-assisted steering teaching equipment Download PDFInfo
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- CN204537607U CN204537607U CN201520049613.4U CN201520049613U CN204537607U CN 204537607 U CN204537607 U CN 204537607U CN 201520049613 U CN201520049613 U CN 201520049613U CN 204537607 U CN204537607 U CN 204537607U
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Abstract
The utility model discloses a kind of automobile electric power-assisted steering teaching equipment, comprise power-driven system, electric boosting steering system EPS and brake system, electric boosting steering system EPS comprises electronic control unit ECU, assist motor, turning-bar, also comprise direction servo-drive system, brake system, direction servo-drive system and brake system connection data acquisition system respectively, data acquisition system (DAS) connects master system by the network equipment.A kind of automobile electric power-assisted steering teaching equipment of the present utility model, by PC control data acquisition system (DAS), by data acquisition system (DAS) D/A module to electronic control unit ECU send simulation vehicle speed signal, engine rotational speed signal and drived control is carried out to servomotor; Each parameter information is gathered by the AD function Real-Time Monitoring of data acquisition system (DAS), by host computer data handling system, the internal relation of real-time exhibition power-assisted and the speed of a motor vehicle and other correlative factors, the linear relationship between each parameter of displaying of qualitative, quantitative.
Description
Technical field
The utility model relates to vehicle practice teaching apparatus field, specifically a kind of automobile electric power-assisted steering teaching equipment.
Background technology
EPS technology is widely used at automotive field, and it serves very important effect to the security performance of running car, facilitates the development of auto industry.But the principle of EPS device and structure are all comparatively complicated, in the EPS teaching process of automobile industry, often occur the problem of teaching difficulty, therefore, EPS are intactly showed in teaching process, be also the work of a comparatively difficulty.Current domestic Ye You enterprise or school have developed some EPS experimental systems for the problems referred to above, but all ubiquity high costs, complicated operation, and principle explains the not clear and problem such as easily to break down, the quality of impact teaching.Thus, effective EPS instructional device more directly perceived is needed, to solve the problem.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of automobile electric power-assisted steering teaching equipment, can show the state of EPS under different operating situation intuitively, makes study EPS more effectively simple.
Technical scheme: for solving the problems of the technologies described above, a kind of automobile electric power-assisted steering teaching equipment of the present utility model, comprise power-driven system, the electric boosting steering system EPS be connected with power-driven system and brake system, described electric boosting steering system EPS comprises electronic control unit ECU, assist motor, turning-bar, also comprise direction servo-drive system, direction servo-drive system and brake system connection data acquisition system respectively, data acquisition system (DAS) connects master system by the network equipment;
Direction servo-drive system comprises the servomotor be located on turning-bar, and servomotor connects motor driver, described motor driver connection data acquisition system;
Brake system comprises pin and steps on brake plate, and pin is stepped on brake plate and arranged pushing mechanism, and pushing mechanism is by signal wire connection data acquisition system;
Assist motor is arranged current transducer, voltage transmitter and power transducer, current transducer, voltage transmitter and power transducer are connected to data acquisition system (DAS) respectively;
Electronic control unit ECU is connected to assist motor and data acquisition system (DAS) respectively;
Power-driven system comprises automobile front axle and is located at wheel, the motor on front axle.
Further, be provided with rotary angle transmitter in described servomotor, the angle-data that Serve Motor Control turning-bar rotates is transferred to master system by data acquisition system (DAS) by rotary angle transmitter.
Further, be provided with torque sensor in described servomotor, the moment data that Serve Motor Control turning-bar rotates are transferred to master system by data acquisition system (DAS) by torque sensor.
Further, described assist motor is DC brushless motor.
Further, described pushing mechanism is linear electric motors, and the push rod end connecting pin of described linear electric motors steps on brake plate, and described linear electric motors are connected to data acquisition system (DAS) by signal wire.
Further, the described master system display that comprises PLC and be connected with PLC.
Beneficial effect: a kind of automobile electric power-assisted steering teaching equipment of the present utility model, by PC control data acquisition system (DAS), by data acquisition system (DAS) D/A module to electronic control unit ECU send simulation vehicle speed signal, engine rotational speed signal and drived control is carried out to servomotor; Each parameter information is gathered by the AD function Real-Time Monitoring of data acquisition system (DAS), by host computer data handling system, the internal relation of real-time exhibition power-assisted and the speed of a motor vehicle and other correlative factors, the linear relationship between each parameter of displaying of qualitative, quantitative.
Accompanying drawing explanation
Fig. 1 is the utility model motorcar electric assisted diversion teaching equipment structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of automobile electric power-assisted steering teaching equipment, comprise power-driven system 2, the electric boosting steering system EPS1 be connected with power-driven system 2 and brake system 3, electric boosting steering system EPS1 comprises electronic control unit ECU, assist motor, turning-bar, also comprise direction servo-drive system 6, direction servo-drive system 6 and brake system 3 connection data acquisition system 5 respectively, data acquisition system (DAS) 5 connects master system 4 by the network equipment 7; Direction servo-drive system 6 comprises the servomotor be installed on turning-bar, and servomotor connects motor driver, motor driver connection data acquisition system 5; Brake system 3 comprises pin and steps on brake plate, and pin steps on the push rod end that brake plate connects linear electric motors, and linear electric motors are by signal wire connection data acquisition system; Assist motor is arranged current transducer, voltage transmitter and power transducer, current transducer, voltage transmitter and power transducer are connected to data acquisition system (DAS) 5 respectively, current transducer is for detecting the real-time current signal of assist motor, and can send to assist motor the electric signal sent from master system, voltage transmitter is for detecting assist motor real-time voltage signal, and the voltage signal sent from master system is sent to assist motor, power transducer is for detecting assist motor real-time working power.Electronic control unit ECU is connected to assist motor and data acquisition system (DAS) 5 respectively; Power-driven system 2 comprises automobile front axle and is located at wheel, the motor on front axle; Be provided with rotary angle transmitter in servomotor, the angle-data that Serve Motor Control turning-bar rotates is transferred to master system 4 by data acquisition system (DAS) 5 by rotary angle transmitter; Be provided with torque sensor in servomotor, the moment data that Serve Motor Control turning-bar rotates are transferred to master system 4 by data acquisition system (DAS) 5 by torque sensor, the display that master system 4 comprises PLC and is connected with PLC.
By master system 4 control data acquisition system 5, vehicle speed signal, the engine rotational speed signal of simulating is sent to electronic control unit ECU by the D/A module of data acquisition system (DAS) 5, to control the operational factor of power-driven system 2, the D/A module of data acquisition system (DAS) 5 sends signal to motor driver, carries out drived control to servomotor; Each parameter information is gathered by the AD function Real-Time Monitoring of data acquisition system (DAS) 5, then master system 4 processes the data of monitoring and obtaining, the internal relation of real-time exhibition power-assisted and the speed of a motor vehicle and other correlative factors, linear relationship between each parameter of displaying of qualitative, quantitative, and be shown on the display of master system 4, EPS can be understood intuitively when the different speed of a motor vehicle, the different operating situation shown.
A kind of automobile electric power-assisted steering teaching equipment of the present utility model, fully can show the principle of work of electric boosting steering system EPS.The change drag loads being equivalent to electric control hydraulic power-assisted steering is applied in power-driven system part, in 0 ~ 100km/h vehicle speed range, by 5 ~ 20Km/h interval, complete process of the test to both direction uniform rotation turning-bar, record the relation of turning-bar corner and power steering moment simultaneously.
Can simulate when the different speed of a motor vehicle and engine speed turn to, the working condition of electric boosting steering system EPS, shows its course of work and control principle; Show signal value and the waveform of each sensor of this system and actuator by software kit, and show input torque and EPS current characteristic curve.
The automatic display of the automatic control of process of the test and test findings, printing can be realized, turning-bar drives and adopts servo continuous speed regulation system, power-driven system part can realize the linear loading of load, by host computer and direction servo-drive system, brake system, alternative staff strikes the mode of bearing circle with the hand and alternative people's pin touches on the brake, can remote adjustment engine speed and the speed of a motor vehicle.
Input-output characteristic test can be completed; Namely power-driven system partially rigid fixed or add elastic load, set the different speed of a motor vehicle, as from 0Km/h to the most at a high speed, interval 5 ~ 20km/h, respectively to both direction uniform rotation turning-bar, forward input torque/power to setting value, note down input torque and output torque/power relation curve under each speed of a motor vehicle also simultaneously: 1, make and turn to mechanical characteristic under the different speed of a motor vehicle; 2, left and right maximum rotation moment/power under the different speed of a motor vehicle is measured respectively; 3, the symmetry of each speed of a motor vehicle lower curve is calculated respectively.
Current characteristics test can be completed; I.e. system worked well, uniform rotation turning-bar, makes output terminal load reach rated load, set the different speed of a motor vehicle, as from 0Km/h to max. speed, interval 5 ~ 20km/h, record input torque and curent change relation also: 1, make the current characteristics under the different speed of a motor vehicle; 2, left and right maximum current during range under each speed of a motor vehicle is measured respectively.
Automobile electric power-assisted steering teaching equipment of the present utility model, measurement mouth and the OBDII interface of sensor, actuator, electronic control unit ECU also can be provided, real time data, waveform, data stream and diagnostic trouble code can be measured by multimeter, oscillograph, diagnostic equipment, by signal sampling device pick-up transducers, actuator signal, and by software kit display numerical value and waveform.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. an automobile electric power-assisted steering teaching equipment, comprise power-driven system, the electric boosting steering system EPS be connected with power-driven system and brake system, described electric boosting steering system EPS comprises electronic control unit ECU, assist motor, turning-bar, it is characterized in that: also comprise direction servo-drive system (6), direction servo-drive system (6) and brake system (3) connection data acquisition system (5) respectively, data acquisition system (DAS) (5) connects master system (4) by the network equipment (7);
Direction servo-drive system (6) comprises the servomotor be located on turning-bar, and servomotor connects motor driver, described motor driver connection data acquisition system (5);
Brake system (3) comprises pin and steps on brake plate, and pin is stepped on brake plate and arranged pushing mechanism, and pushing mechanism is by signal wire connection data acquisition system (5);
Assist motor is arranged current transducer, voltage transmitter and power transducer, current transducer, voltage transmitter and power transducer are connected to data acquisition system (DAS) (5) respectively;
Electronic control unit ECU is connected to assist motor and data acquisition system (DAS) (5) respectively;
Power-driven system (2) comprises automobile front axle and is located at wheel, the motor on front axle.
2. a kind of automobile electric power-assisted steering teaching equipment according to claim 1, it is characterized in that: be provided with rotary angle transmitter in described servomotor, the angle-data that Serve Motor Control turning-bar rotates by rotary angle transmitter is transferred to master system (4) by data acquisition system (DAS) (5).
3. a kind of automobile electric power-assisted steering teaching equipment according to claim 1, it is characterized in that: be provided with torque sensor in described servomotor, the moment data that Serve Motor Control turning-bar rotates by torque sensor are transferred to master system (4) by data acquisition system (DAS) (5).
4. a kind of automobile electric power-assisted steering teaching equipment according to claim 1, is characterized in that: described assist motor is DC brushless motor.
5. a kind of automobile electric power-assisted steering teaching equipment according to claim 1, it is characterized in that: described pushing mechanism is linear electric motors, the push rod end connecting pin of described linear electric motors steps on brake plate, and described linear electric motors are connected to data acquisition system (DAS) (5) by signal wire.
6. a kind of automobile electric power-assisted steering teaching equipment according to claim 1, is characterized in that: the display that described master system (4) comprises PLC and is connected with PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049613.4U CN204537607U (en) | 2015-01-23 | 2015-01-23 | A kind of automobile electric power-assisted steering teaching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049613.4U CN204537607U (en) | 2015-01-23 | 2015-01-23 | A kind of automobile electric power-assisted steering teaching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204537607U true CN204537607U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520049613.4U Expired - Fee Related CN204537607U (en) | 2015-01-23 | 2015-01-23 | A kind of automobile electric power-assisted steering teaching equipment |
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| Country | Link |
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| CN (1) | CN204537607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679171A (en) * | 2016-04-15 | 2016-06-15 | 重庆工商职业学院 | EPS demonstration plate |
-
2015
- 2015-01-23 CN CN201520049613.4U patent/CN204537607U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679171A (en) * | 2016-04-15 | 2016-06-15 | 重庆工商职业学院 | EPS demonstration plate |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20190123 |