CN106741176A - Aligning device is guided in a kind of alarm for parking steering wheel - Google Patents
Aligning device is guided in a kind of alarm for parking steering wheel Download PDFInfo
- Publication number
- CN106741176A CN106741176A CN201611220237.6A CN201611220237A CN106741176A CN 106741176 A CN106741176 A CN 106741176A CN 201611220237 A CN201611220237 A CN 201611220237A CN 106741176 A CN106741176 A CN 106741176A
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- steering
- steering wheel
- alarm
- instrument
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/029—Steering assistants using warnings or proposing actions to the driver without influencing the steering system
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Traffic Control Systems (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
Aligning device is guided the invention provides a kind of alarm for parking steering wheel, belongs to automotive field.It includes information acquisition unit, information process unit and instrument ICU.Whether information process unit receives the status signal and judges the vehicle in parked state, and it is configured to：Status signal activation according to the electronic parking EPB and parking brake, and the steering angle and steering direction of steering wheel are drawn according to the status signal；If the steering angle and steering direction that draw are not zero, instruction is sent to instrument ICU；If the steering angle and steering direction that draw are zero, activation is exited；Instrument ICU sends alarm and shows that the steering wheel needs the direction that rotates and angle until described information processing unit exits activation in instrument.Provided by the present invention for parking steering wheel alarm guide aligning device, if after user's parking not by wheel return just, send alarm sounds and guide client carry out wheel return just.
Description
Technical field
The present invention relates to automotive field, aligning device is guided in more particularly to a kind of alarm for parking steering wheel.
Background technology
In the case of orderly shutdown, suspension system is in relative relaxation state, and four suspension stress are average.And
Steering wheel is not returned just as when parking, and the wheel of many vehicles occurs an inclination angle, and suspension system will incline to a direction
Tiltedly, in suspension elastic support part, rubber cuff also have some rubber shock-absorbings in suspension system to be lined with a stress, allow it
Eat strength, it is impossible to normal return, although do not result in injury in the short time, but the time long will cause one to suspension system
Fixed injury.
Often have after driver sails parking stall parking into, positive phenomenon is not returned in steering.Such bad habit is stayed for a long time
Car is turned to not back can just damage vehicle.One is the infringement of tire：Tire shoulder and a part of tyre surface stress can be caused.In addition tyre side
Wall compares relatively thin, if often so allowing tire unbanlence stress, will accelerate the aging deformation of sidewall, sidewall
After aging deformation, it is likely that cause gas leakage or blow out；The second is the infringement of steering mechanism：Steering linkage cannot under not returning positive status
Return, while the tooth bar of the gear of steering wheel and steering linkage is also at stress, by the aging of accelerating gear and tooth bar or
Deformation, results even in the sideslip of vehicle, can also cause the eccentric wear of tire；The third is the infringement of suspension：When steering wheel does not have
Hui Zheng, wheel occurs an inclination angle, and suspension system will be inclined to a direction, the elastic support part in suspension, rubber
Glue big envelope also has some rubber shock-absorbings in suspension system to be lined with a stress so that they cannot normal return, cause suspension
Yielding rubber in system is aging, and the swing arm of suspension and the junction of connecting rod occur frame amount, and the bigger swing arm of frame amount and connecting rod grind
Damage more severe.On the other hand, if not returning positive wheel after parking, easily wandered off when vehicle is again started up, increased
There is the probability of traffic accident.
Therefore a kind of system that can in time warn and guide user's wheel of vehicle to return positive wheel after user's parking is needed.
The content of the invention
Aligning device, user's parking are guided it is an object of the present invention to provide a kind of alarm for parking steering wheel
If afterwards not by wheel return just, send alarm sounds and guide client carry out wheel return just.
Especially, aligning device is guided the invention provides a kind of alarm for parking steering wheel, including：
Information acquisition unit, for collecting vehicle electronic parking EPB (Electrical Park Brake), parking brake, starting
Machine, steering wheel angle sensor SAS (Steering Angle Sensor), the status signal of speed；
Information process unit, it is described for receiving the status signal and whether judging the vehicle in parked state
Information process unit is configured to：Status signal activation according to the electronic parking EPB and parking brake, and believed according to the state
Number draw the steering angle and steering direction of steering wheel；If the steering angle and steering direction that draw are not zero, to instrument
Table I CU (Interactive Chart Utility, interactive drawing utility program) sends instruction；If the steering for drawing
Angle and steering direction are zero, then exit activation；
Instrument ICU, for receiving the instruction, sends alarm and shows that the steering wheel needs the side for rotating in instrument
To with angle until described information processing unit exit activation.
Further, the condition of the activation is：The engine is in running status and the electronic parking EPB is touched
Hair or the parking brake are pulled up.
Further, after described information processing unit is activated, persistently receive and process the steering wheel angle sensor
The status signal of SAS.
Further, the electronic parking EPB is connected with described information processing unit by CAN communication bus.
Further, the parking brake is connected with described information processing unit by rigid line.
Further, the steering wheel angle sensor SAS is connected with described information processing unit by CAN communication bus
Connect.
Further, the instrument ICU shows described turning in the middle control display screen or car running computer display screen of the vehicle
To direction and angle that disk needs to rotate.
Further, the instrument ICU shows that the steering wheel needs the direction for rotating with arrow to the left or to the right；
The instrument ICU is with angle described in specific numerical monitor.
Further, the instrument ICU sends alarm and is alarmed including warning light and warning audible alarm.
Aligning device is guided in a kind of alarm for parking steering wheel that the present invention is provided, and is collected by information acquisition unit
Vehicle electric parking EPB, parking brake, engine, steering wheel angle sensor SAS, the status signal of speed；By information processing list
Unit is activated according to the status signal of the electronic parking EPB and parking brake, and the steering of steering wheel is drawn according to the status signal
Angle and steering direction；If the steering angle and steering direction that draw are not zero, instruction is sent to instrument ICU；If
The steering angle and steering direction for going out are zero, then exit activation；Alarm is sent by instrument ICU and institute is shown in instrument
State steering wheel need rotate direction and angle until described information processing unit exit activation, in time prompting driver carry out
Steering reversal is acted and assists a ruler in governing a country back positive guide.
Aligning device is guided in a kind of alarm for parking steering wheel that the present invention is provided, and compared with prior art, is had
Advantages below：
1st, can solve the problem that and significantly turn to not back positive phenomenon, such as steering wheel is not substantially returning positive position.
2nd, surface of steering wheel is can solve the problem that in time positive position, and actual steering does not return positive phenomenon.
3rd, alarm can be sent to turning to not back positive phenomenon, reminds driver to carry out steering reversal action.
4th, the direct action that returns of driver can be guided according to parking steering angle, system.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the general structured flowchart that aligning device is guided according to a kind of alarm for parking steering wheel of the present invention；
Fig. 2 is steering wheel angle Sensor Output Characteristic curve according to an embodiment of the invention.
Specific embodiment
Fig. 1 is the general structured flowchart that aligning device is guided according to a kind of alarm for parking steering wheel of the present invention.
As shown in figure 1, aligning device is guided in a kind of alarm for parking steering wheel, generally include：Information acquisition unit 1, information
Processing unit 2 and instrument ICU3.Information acquisition unit 1 is used for collection vehicle electronic parking EPB, parking brake, engine, steering wheel and turns
The status signal of angle transducer SAS, speed.Information acquisition unit 1 is including steering wheel angle sensor SAS, vehicle speed sensor etc..
Information process unit 2, for receiving the status signal and judging the vehicle whether in parked state.Information process unit
2 are configured to：Status signal activation according to the electronic parking EPB and parking brake, and steering is drawn according to the status signal
The steering angle and steering direction of disk；If the steering angle and steering direction that draw are not zero, sent to instrument ICU3
Instruction；If the steering angle and steering direction that draw are zero, activation is exited.Instrument ICU3 is used to receive the instruction,
Send alarm and show that the steering wheel needs the direction that rotates and angle until described information processing unit is exited in instrument
Activation.
Specifically, information process unit 2, for receiving the status signal and judging the vehicle whether in parking shape
State.Information process unit 2 can be vehicle ECU, or be independently arranged it is micro- with what the CAN communication bus of vehicle was connected
Processor.Wherein, electronic parking EPB is connected with information process unit 2 by CAN communication bus.Parking brake and information process unit 2
Connected by rigid line.Steering wheel angle sensor SAS is connected with information process unit 2 by CAN communication bus.Information processing list
It is defeated that unit 2 receives electronic parking EPB, the motion state signal of engine and steering wheel angle sensor SAS by CAN communication bus
The steering angle and steering direction for going out, by rigid line connect receive parking brake or status signal.
When alarm provided by the present invention for parking steering wheel guides aligning device to work, before vehicle stall, information
Processing unit 2 receives engine still in running status and electronic parking EPB is triggered or parking brake is pulled up state letter
Enter activation after number, whether information process unit 2 is pulled up and speed etc. according to engine, electronic parking EPB or parking brake
Whether status signal judges vehicle in parked state.When judging that vehicle is in parked state, information process unit 2 receives car
Steering wheel angle sensor SAS outputs steering angle and steering direction and calculated, draw turning under state this moment
To the steering angle (- 780 °~780 °) and steering direction (direction clockwise or counter-clockwise) of disk.As shown in Fig. 2 Fig. 2
It is a kind of SAS steering wheel angles Sensor Output Characteristic curve map.If the two parameters (steering angle and steering direction) are not
Zero, then information process unit 2 sent to instrument ICU3 and turn to not back positive instruction alarm and guide the driver to carry out steering reversal
The instruction of action.Instrument ICU3 receives the finger for turning to not back positive instruction alarm and guiding driver to carry out steering reversal action
After order, show that the steering wheel needs direction and the angle for rotating in instrument, and alarmed by warning light and warning sound
The mode alerting drivers wheel of alarm is not returned just.Instrument ICU3 shown in instrument the steering wheel need the direction that rotates and
Angle can be multiple display modes, for example, to refer to need under current state to rotate in the way of arrow to the left or to the right and turn
Need to rotate the angle of steering wheel to the direction of disk, under referring to current state in the way of specific numeral, or directly with up time
Pin, the mode of figure counterclockwise need to rotate direction of steering wheel etc. under referring to current state.Of course, instrument ICU3 can also
Need to rotate the angle and direction of steering wheel under pointing out driver's current state in the way of sound is reported.Instrument ICU3 is in instrument
On display can control display screen in vehicle or car running computer display screen shows, be to facilitate driver to be readily seen that
Preferably.When information process unit 2 is active, information process unit 2 is persistently received and processes the steering wheel angle and passes
The status signal of sensor SAS, until after the completion of driver carries out steering reversal action according to guide, i.e. steering wheel angle sensor
When the steering angle and steering direction of SAS outputs are zero, information process unit 2 exits state of activation.
Aligning device is guided in a kind of alarm for parking steering wheel that the present invention is provided, and be can solve the problem that and significantly turn to not
Positive phenomenon is returned, such as steering wheel is not substantially returning positive position；Surface of steering wheel be can solve the problem that in time positive position, actual steering is not returned just
Phenomenon；Alarm can be sent to turning to not back positive phenomenon, remind driver to carry out steering reversal action；Can be turned to according to parking
Angle, system can be guided the direct action that returns of driver.
Further, the alarm guide aligning device provided by the present invention for parking steering wheel can also include a control
Switch.Controlling switch is used to control alarm to guide whether aligning device works.Under special circumstances, when vehicle needs to rest in suddenly
During slope, to prevent the parking brake dynamics of vehicle not enough, vehicle sometimes for by its wheel steering certain angle be resisted against Lu Ya or
When on other things, driver can guide aligning device with manual-lock alarm, it is stopped.
Aligning device is guided in a kind of alarm for parking steering wheel that the present invention is provided, and is collected by information acquisition unit
Vehicle electric parking EPB, parking brake, engine, steering wheel angle sensor SAS, the status signal of speed；By information processing list
Unit is activated according to the status signal of the electronic parking EPB and parking brake, and the steering of steering wheel is drawn according to the status signal
Angle and steering direction；If the steering angle and steering direction that draw are not zero, instruction is sent to instrument ICU；If
The steering angle and steering direction for going out are zero, then exit activation；Alarm is sent by instrument ICU and institute is shown in instrument
State steering wheel need rotate direction and angle until described information processing unit exit activation, in time prompting driver carry out
Steering reversal is acted and assists a ruler in governing a country back positive guide.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (9)
1. aligning device is guided in a kind of alarm for parking steering wheel, it is characterised in that including：
Information acquisition unit, for collecting vehicle electronic parking EPB, parking brake, engine, steering wheel angle sensor SAS, speed
Status signal；
Information process unit, for receiving the status signal and judging the vehicle whether in parked state, described information
Processing unit is configured to：Status signal activation according to the electronic parking EPB and parking brake, and obtained according to the status signal
Go out the steering angle and steering direction of steering wheel；If the steering angle and steering direction that draw are not zero, to instrument ICU
Send instruction；If the steering angle and steering direction that draw are zero, activation is exited；
Instrument ICU, for receiving the instruction, send alarm and shown in instrument the steering wheel need the direction that rotates and
Angle is until described information processing unit exits activation.
2. aligning device is guided in alarm according to claim 1, it is characterised in that the condition of the activation is：The hair
Motivation is in running status and the electronic parking EPB is triggered or the parking brake is pulled up.
3. aligning device is guided in alarm according to claim 1, it is characterised in that described information processing unit is activated
Afterwards, persistently receive and process the status signal of the steering wheel angle sensor SAS.
4. aligning device is guided in alarm according to claim 1, it is characterised in that the electronic parking EPB and the letter
Breath processing unit is connected by CAN communication bus.
5. aligning device is guided in alarm according to claim 1, it is characterised in that the parking brake processes single with described information
Unit is connected by rigid line.
6. aligning device is guided in alarm according to claim 1, it is characterised in that the steering wheel angle sensor SAS
It is connected by CAN communication bus with described information processing unit.
7. aligning device is guided in alarm according to claim 1, it is characterised in that the instrument ICU is in the vehicle
Middle control display screen or car running computer display screen show that the steering wheel needs direction and the angle for rotating.
8. aligning device is guided in alarm according to claim 7, it is characterised in that the instrument ICU with to the left or to
Right arrow shows that the steering wheel needs the direction for rotating；The instrument ICU is with angle described in specific numerical monitor.
9. aligning device is guided in alarm according to claim 1, it is characterised in that the instrument ICU sends alarm to be included
Warning light is alarmed and warning audible alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220237.6A CN106741176A (en) | 2016-12-26 | 2016-12-26 | Aligning device is guided in a kind of alarm for parking steering wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220237.6A CN106741176A (en) | 2016-12-26 | 2016-12-26 | Aligning device is guided in a kind of alarm for parking steering wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106741176A true CN106741176A (en) | 2017-05-31 |
Family
ID=58926286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611220237.6A Pending CN106741176A (en) | 2016-12-26 | 2016-12-26 | Aligning device is guided in a kind of alarm for parking steering wheel |
Country Status (1)
| Country | Link |
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| CN (1) | CN106741176A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757708A (en) * | 2017-09-22 | 2018-03-06 | 北京新能源汽车股份有限公司 | Steering wheel information prompting method and device and automobile |
| CN107914772A (en) * | 2017-10-30 | 2018-04-17 | 深圳依偎控股有限公司 | Based reminding method, device and the computer-readable recording medium of Automobile operation |
| CN109109741A (en) * | 2017-06-23 | 2019-01-01 | 孟旭 | Positive warning system is not returned under a kind of automotive wheel non-driving state |
| CN109278861A (en) * | 2018-07-05 | 2019-01-29 | 惠州市德赛西威汽车电子股份有限公司 | A kind of positive based reminding method of steering wheel return looked around based on automobile and system |
| CN110733478A (en) * | 2018-07-18 | 2020-01-31 | 罗伯特·博世有限公司 | Control method and control system for opening/closing P-gear-associated automatic parking function |
| CN110733479A (en) * | 2018-07-18 | 2020-01-31 | 罗伯特·博世有限公司 | Method and system for controlling opening/closing of automatic parking function |
| CN114162212A (en) * | 2020-09-10 | 2022-03-11 | 长城汽车股份有限公司 | Automatic steering correcting method and automobile |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109741A (en) * | 2017-06-23 | 2019-01-01 | 孟旭 | Positive warning system is not returned under a kind of automotive wheel non-driving state |
| CN107757708A (en) * | 2017-09-22 | 2018-03-06 | 北京新能源汽车股份有限公司 | Steering wheel information prompting method and device and automobile |
| CN107914772A (en) * | 2017-10-30 | 2018-04-17 | 深圳依偎控股有限公司 | Based reminding method, device and the computer-readable recording medium of Automobile operation |
| CN109278861A (en) * | 2018-07-05 | 2019-01-29 | 惠州市德赛西威汽车电子股份有限公司 | A kind of positive based reminding method of steering wheel return looked around based on automobile and system |
| CN110733478A (en) * | 2018-07-18 | 2020-01-31 | 罗伯特·博世有限公司 | Control method and control system for opening/closing P-gear-associated automatic parking function |
| CN110733479A (en) * | 2018-07-18 | 2020-01-31 | 罗伯特·博世有限公司 | Method and system for controlling opening/closing of automatic parking function |
| CN110733478B (en) * | 2018-07-18 | 2023-08-04 | 罗伯特·博世有限公司 | Control method and control system for opening/closing of P-gear-associated automatic parking function |
| CN114162212A (en) * | 2020-09-10 | 2022-03-11 | 长城汽车股份有限公司 | Automatic steering correcting method and automobile |
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Application publication date: 20170531 |