CN206664684U - Power-driven automobile steering-by-wire system - Google Patents
Power-driven automobile steering-by-wire system Download PDFInfo
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- CN206664684U CN206664684U CN201720490529.5U CN201720490529U CN206664684U CN 206664684 U CN206664684 U CN 206664684U CN 201720490529 U CN201720490529 U CN 201720490529U CN 206664684 U CN206664684 U CN 206664684U
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- steering
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- power
- wire system
- main controller
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Abstract
The utility model discloses a kind of Power-driven automobile steering-by-wire system, the system includes：Direction disk module, when driver's steering wheel rotation, direction disk module exports corresponding voltage signal；A/D modular converters, the voltage signal is converted into data signal；Main controller module, computing and processing are carried out to the data signal, and control instruction is sent to turning to execution module according to corresponding calculation process result；Execution module is turned to, the control instruction is received and completes to turn to according to control instruction driving moment steering spindle band motor car wheel；And fault processing module, the steering angle of detection wheel in real time, and compare actual steering angle with the steering locking angle degree for being set in advance in main controller module, if sending fault-signal to main controller module when actual steering angle is spent more than the steering locking angle.
Description
Technical field
It the utility model is related to automobile steering-by-wire field.More particularly, to a kind of Power-driven automobile steering-by-wire system.
Background technology
The drive energy of electric automobile is mainly electrokinetic cell, or is mainly driven not against engine, and it turns to dress
Traditional hydraulic booster mode driven by the engine can not be taken by putting, and be needed using motor come assisted diversion, and here it is will
Electric power steering to be taken, steering is fitted with electric automobile, most of steering are all mechanical steering,
The mechanical steering system of electric automobile greatly increases car body weight, causes the endurance of battery relatively low.So find a kind of electricity
The electric automobile steering of dynamic power-assisted substitutes traditional mechanical steering system to be not only able to mitigate the weight of vehicle body, improves electronic
The endurance of automobile, while electric boosted electric automobile steering for traditional mechanical steering system is fast
The advantages of speed and real-time, is also more prominent.
Utility model content
The utility model provides a kind of Power-driven automobile steering-by-wire system, and the system includes：
Direction disk module, when driver's steering wheel rotation, direction disk module exports corresponding voltage signal；
A/D modular converters, the voltage signal is converted into data signal；
Main controller module, computing and processing are carried out to the data signal, and according to corresponding calculation process result to turning
Control instruction is sent to execution module；
Execution module is turned to, the control instruction is received and is completed according to control instruction driving moment steering spindle band motor car wheel
Turn to；And
Fault processing module, the steering angle of wheel is detected in real time, and by actual steering angle and be set in advance in master control
The steering locking angle degree of device module processed compares, if to main controller module when actual steering angle is spent more than the steering locking angle
Send fault-signal.
In one embodiment, steering is sent to steering execution module after main controller module receives troubleshooting signal
Stop signal, realize and turn to stopping, completing troubleshooting.
In one embodiment, direction disk module includes steering wheel and angular displacement sensor, and the angular displacement sensor is adopted
Collect the anglec of rotation and the direction of rotation of steering wheel, and export the voltage signal.
In another embodiment, the main controller module includes control chip and peripheral circuit.
In another embodiment, control chip is made up of single-chip microcomputer.
In another embodiment, the steering execution module includes motor control module and motor, the wherein motor control
Module receives the control instruction, and according to the control instruction controlled motor driving moment steering spindle.
In another embodiment, the motor is stepper motor, and the motor control module is the control for being applicable stepper motor
Module.
The beneficial effects of the utility model are as follows：
The electric automobile instead of traditional manual steering system by using the wire-controlled steering system of miniaturized electronic devices
System, the weight of vehicle body is alleviated, so as to increase the endurance of electric automobile, the at the same time Power-driven automobile steering-by-wire system
Possesses the characteristics of rapidity and real-time for traditional mechanical steering system.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows a kind of structure principle chart of Power-driven automobile steering-by-wire system.
Embodiment
In order to illustrate more clearly of the utility model, the present invention is done further with reference to preferred embodiments and drawings
Explanation.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that had below
The content of body description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
Fig. 1 shows a kind of Power-driven automobile steering-by-wire system of the present utility model, the Power-driven automobile steering-by-wire system bag
Direction disk module is included, A/D modular converters, main controller module, turns to execution module, fault processing module.
Direction disk module includes steering wheel and angular displacement sensor.Angular displacement sensor collection steering wheel the anglec of rotation and
Direction of rotation.Driver causes the output voltage real-time change of angular displacement sensor by steering wheel rotation.Angular displacement sensor
Input signal of the output signal as A/D modular converters.
Preferably, the angular displacement sensor is arranged in the rotating shaft of steering wheel so that collection signal is sensitiveer.
In one embodiment, the input of the output end of angular displacement sensor and A/D modular converters is directly connected to, A/D
The voltage signal of angular displacement sensor is converted into corresponding data signal by modular converter, and sends main controller module to.
The voltage signal that angular displacement sensor is sent in the disk module of direction is converted into data signal by A/D modular converters, main
Controller module is handled the data signal.
Main controller module carries out computing and processing to the data signal, and according to corresponding calculation process result to turning to
Execution module sends control instruction.Preferably, the main controller module can include control chip and peripheral circuit.More preferably
Ground, main control module use single-chip microcomputer as Master control chip.Such as turned by the calculating of the SCM program and analysis and Control
Correct steering order is sent to the stepper motor for being responsible for turning to execution module.
Execution module is turned to receive control instruction and complete to turn according to control instruction driving moment steering spindle band motor car wheel
To.In one embodiment, the steering execution module includes motor control module and motor.Wherein the motor control module receives
The control instruction, and according to the control instruction controlled motor driving moment steering spindle.
Preferably, step motor control module includes left steering control port, right turn control port, turns to Bit andits control
Port.Its middle left and right course changing control port, which is used to receiving the motor that main controller module is sent, to turn clockwise and revolves counterclockwise
Rotaring signal, turn to Bit andits control port and be used to receive the motor stepping angle signal that main controller module is sent.
Preferably, motor is stepper motor, and motor control module is the control module for being applicable stepper motor.
In one embodiment, P2.0, P2.1, P2.2 port of single-chip microcomputer pass through this three as three output ports
Output port exports continuous level signal, and its middle port P2.0 is connected with step motor control module left steering control port,
Port P2.1 is connected with the right turn control port of step motor control module, and port P2.2 turns with step motor control module
It is connected to Bit andits control port.
The actual rotational angle of fault processing module the real time measure electric automobile deflecting roller is simultaneously preset with main controller module
Hard-over value compare, if the actual steering angle of the deflecting roller of electric automobile is more than maximum turning value set in advance
Then fault processing module can send troubleshooting signal to main controller module, when main controller module receives troubleshooting signal
After can send steering stop signal to execution module is turned to, realize to turn to and stop, realizing troubleshooting.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model, for those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms, all embodiments can not be exhaustive here,
It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in of the present utility model
The row of protection domain.
Claims (7)
1. a kind of Power-driven automobile steering-by-wire system, it is characterised in that the system includes：
Direction disk module, when driver's steering wheel rotation, direction disk module exports corresponding voltage signal；
A/D modular converters, the voltage signal is converted into data signal；
Main controller module, computing and processing are carried out to the data signal, and steering is held according to corresponding calculation process result
Row module sends control instruction；
Execution module is turned to, the control instruction is received and completes to turn according to control instruction driving moment steering spindle band motor car wheel
To；And
Fault processing module, the steering angle of wheel is detected in real time, and by actual steering angle and be set in advance in master controller
The steering locking angle degree of module compares, if sent when actual steering angle is spent more than the steering locking angle to main controller module
Fault-signal.
2. Power-driven automobile steering-by-wire system according to claim 1, it is characterised in that when main controller module receives event
Steering stop signal is sent to steering execution module after barrier process signal, realizes and turns to stopping, completing troubleshooting.
3. Power-driven automobile steering-by-wire system according to claim 1, it is characterised in that direction disk module includes direction
Disk and angular displacement sensor, the anglec of rotation of angular displacement sensor collection steering wheel and direction of rotation, and export voltage letter
Number.
4. Power-driven automobile steering-by-wire system according to claim 1, it is characterised in that the main controller module includes control
Coremaking piece and peripheral circuit.
5. Power-driven automobile steering-by-wire system according to claim 4, it is characterised in that control chip is by monolithic mechanism
Into.
6. Power-driven automobile steering-by-wire system according to claim 1, it is characterised in that the steering execution module includes electricity
Machine control module and motor, the wherein motor control module receive the control instruction, and are driven according to the control instruction controlled motor
Motor car wheel steering spindle.
7. Power-driven automobile steering-by-wire system according to claim 6, it is characterised in that the motor is stepper motor, should
Motor control module is the control module for being applicable stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720490529.5U CN206664684U (en) | 2017-05-05 | 2017-05-05 | Power-driven automobile steering-by-wire system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720490529.5U CN206664684U (en) | 2017-05-05 | 2017-05-05 | Power-driven automobile steering-by-wire system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206664684U true CN206664684U (en) | 2017-11-24 |
Family
ID=60371650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720490529.5U Expired - Fee Related CN206664684U (en) | 2017-05-05 | 2017-05-05 | Power-driven automobile steering-by-wire system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206664684U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278859A (en) * | 2018-08-31 | 2019-01-29 | 百度在线网络技术（北京）有限公司 | Vehicle safety control method, device, equipment and readable storage medium storing program for executing |
| CN114007934A (en) * | 2019-05-15 | 2022-02-01 | 维杰·凯·普拉文 | Steering mechanism for vehicle |
| CN114228825A (en) * | 2021-12-27 | 2022-03-25 | 天津德科智控股份有限公司 | Electric power steering control system and method |
-
2017
- 2017-05-05 CN CN201720490529.5U patent/CN206664684U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278859A (en) * | 2018-08-31 | 2019-01-29 | 百度在线网络技术（北京）有限公司 | Vehicle safety control method, device, equipment and readable storage medium storing program for executing |
| CN114007934A (en) * | 2019-05-15 | 2022-02-01 | 维杰·凯·普拉文 | Steering mechanism for vehicle |
| CN114228825A (en) * | 2021-12-27 | 2022-03-25 | 天津德科智控股份有限公司 | Electric power steering control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20180505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |