CN109703457A - A kind of rear of vehicle road condition safety alarming method and its system - Google Patents
A kind of rear of vehicle road condition safety alarming method and its system Download PDFInfo
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- CN109703457A CN109703457A CN201811572331.7A CN201811572331A CN109703457A CN 109703457 A CN109703457 A CN 109703457A CN 201811572331 A CN201811572331 A CN 201811572331A CN 109703457 A CN109703457 A CN 109703457A
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Abstract
The present invention relates to automobile safety system technical field more particularly to a kind of rear of vehicle road condition safety alarming method and its systems, comprising the following steps: detects that there are vehicles for rear of vehicle, identify the vehicle attribute of front vehicle；If vehicle attribute is oversize vehicle, start safety alarm mode；Detect the relative velocity and relative distance between front vehicle and this vehicle；If relative distance between front vehicle and this vehicle is less than set distance, judge front vehicle whether fast approaching this vehicle, if showing danger signal by vehicle display device by sound output device output danger caution sound.Goal of the invention of the invention is to provide a kind of rear of vehicle road condition safety alarming method and its system, using technical solution provided by the invention solve existing vehicle can not security information existing for the road conditions to rear of vehicle carry out effective early warning the technical issues of.
Description
Technical field
The present invention relates to automobile safety system technical field more particularly to a kind of rear of vehicle road condition safety alarming method and
Its system.
Background technique
In expressway, in city expressway or other urban roads, often encountering rear has oversize vehicle, as trailer,
Tractor, due to the case where inertia is big or brake system failure causes before knocking into the back to vehicle generation.
Current vehicle can only observe the side such as rearview mirror or the whistle of rear oversize vehicle for above-mentioned scene by driver
Formula early warning, in addition to this there is no other better alarm modes and measures.
Summary of the invention
Goal of the invention of the invention is to provide a kind of rear of vehicle road condition safety alarming method and its system, using this hair
The technical solution of bright offer solve existing vehicle can not security information existing for the road conditions to rear of vehicle carry out effective early warning
The technical issues of.
In order to solve the above-mentioned technical problem, one aspect of the present invention provides a kind of rear of vehicle road condition safety alarming method, packet
Include following steps:
S100, detect that there are vehicles for rear of vehicle, identify the vehicle attribute of front vehicle；
If S200, vehicle attribute are oversize vehicle, start safety alarm mode；
Relative velocity and relative distance between S300, detection front vehicle and this vehicle；
If the relative distance between S400, front vehicle and this vehicle is less than set distance, judge whether front vehicle is fast
This nearly vehicle of quick access shows danger signal by vehicle display device if exporting dangerous caution sound by sound output device.
In the step s 100, the vehicle attribute of front vehicle is identified；Preferably, by cam device to front vehicle
Profile is identified, and the profile recognized is matched with the vehicle prestored, judges whether it is large car according to matching result
?.
In step S300, the relative velocity and relative distance between front vehicle and this vehicle are detected；Preferably, pass through
The detection of millimetre-wave radar device calculates relative velocity and relative distance between front vehicle and this vehicle.
Preferably, after step S300 is detected and calculated relative velocity and relative distance, further includes: pass through GNSS positioning device
This vehicle real time position is provided by the satellite positionings mode such as GPS/Beidou；After being come from by the reception of vehicle V2V/V2I device
Speed, plus/minus speed and the course angle information of square vehicle.
Based on above-mentioned rear of vehicle road condition safety alarming method, another aspect of the present invention also provides a kind of warning system, packet
Include millimetre-wave radar device, cam device, display device, sound output device, GNSS positioning device, vehicle V2V/V2I dress
It sets and ECU controller；
The cam device identifies the vehicle attribute of front vehicle, output identification information to ECU controller；
The millimetre-wave radar device detection calculates relative velocity and relative distance between this vehicle and front vehicle, defeated
Detection information is to ECU controller out；
The GNSS positioning device provides this vehicle real time position by the satellite positionings mode such as GPS/Beidou, and output is fixed
Position information is to ECU controller；
The vehicle V2V/V2I device receives the speed, plus/minus speed and course angle information for coming from behind vehicle, output
Front vehicle information is to ECU controller；
The ECU controller judges in conjunction with the vehicle attribute, detection information, location information and front vehicle information
When to front vehicle this vehicle of fast approaching, dangerous caution sound is exported by sound output device, it is aobvious by vehicle display device
Show danger signal.
Preferably, the ECU controller is also made double in conjunction with the detection information, location information and front vehicle information
Dodge the operation indicating of warning lamp, acceleration or lane change.
From the foregoing, it will be observed that using the present invention can obtain it is following the utility model has the advantages that by front vehicle carry out vehicle identification, and
And the speed to front vehicle, distance, plus/minus speed and course angle information carry out comprehensive identification, further according to what is recognized
Information provides corresponding prompt information, so that driver can not only judge the safety of rear road conditions by traditional alarm mode,
Prompt information more can be actively provided, travel safety is improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, the present invention will be implemented below
Attached drawing needed in the description of example or the prior art is briefly described.It should be evident that the accompanying drawings in the following description
Only a part of the embodiments of the present invention, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is rear of vehicle of embodiment of the present invention road condition safety alarming method flow diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Current vehicle can only observe rearview mirror or rear large car by driver for the judgement of rear oversize vehicle
The modes early warning such as whistle, in addition to this there is no other better alarm modes and measure.
Referring to Figure 1, in order to solve the above-mentioned technical problem, the present embodiment provides a kind of rear of vehicle road condition safety alarm sides
Method, comprising the following steps:
S100, detect that there are vehicles for rear of vehicle, identify the vehicle attribute of front vehicle.
In this step, identified by profile of the cam device to front vehicle, and by the profile recognized with
The vehicle prestored matches, and judges whether it is oversize vehicle according to matching result.
If S200, vehicle attribute are oversize vehicle, start safety alarm mode.
Relative velocity and relative distance between S300, detection front vehicle and this vehicle.
The relative velocity and relative distance calculated between front vehicle and this vehicle is detected by millimetre-wave radar device.
After detection calculates relative velocity and relative distance between front vehicle and this vehicle, further includes: pass through GNSS
Positioning device provides this vehicle real time position by the satellite positionings mode such as GPS/Beidou；It is connect by vehicle V2V/V2I device
Receive the speed, plus/minus speed and course angle information for coming from behind vehicle.
If the relative distance between S400, front vehicle and this vehicle is less than set distance, judge whether front vehicle is fast
This nearly vehicle of quick access shows danger signal by vehicle display device if exporting dangerous caution sound by sound output device.
Based on above-mentioned rear of vehicle road condition safety alarming method, on the other hand the embodiment of the present invention also provides a kind of alarm system
System, including millimetre-wave radar device, cam device, display device, sound output device, GNSS positioning device, vehicle V2V/
V2I device and ECU controller.
Cam device identifies the vehicle attribute of front vehicle, output identification information to ECU controller；
The detection of millimetre-wave radar device calculates relative velocity and relative distance between this vehicle and front vehicle, output inspection
Measurement information is to ECU controller；
GNSS positioning device provides this vehicle real time position, output positioning letter by the satellite positionings mode such as GPS/Beidou
It ceases to ECU controller；
Vehicle V2V/V2I device receives the speed, plus/minus speed and course angle information for coming from behind vehicle, exports rear
Information of vehicles is to ECU controller；
ECU controller combination vehicle attribute, detection information, location information and front vehicle information, judgement obtain rear vehicle
When this vehicle of fast approaching, dangerous caution sound is exported by sound output device, passes through the dangerous letter of vehicle display device display
Number.
ECU controller combination detection information, location information and front vehicle information, also make it is double dodge warning lamps, accelerate or
The operation indicating of lane change.
To sum up, road condition safety alarming method in rear of vehicle provided in this embodiment and its system, by front vehicle into
Row vehicle identification, and the speed to front vehicle, distance, plus/minus speed and course angle information carry out comprehensive identification, then
Corresponding prompt information is provided according to the information recognized, so that driver can not only judge rear road by traditional alarm mode
The safety of condition more can actively provide prompt information, improve travel safety.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (6)
1. a kind of rear of vehicle road condition safety alarming method, it is characterised in that: the following steps are included:
S100, detect that there are vehicles for rear of vehicle, identify the vehicle attribute of front vehicle；
If S200, vehicle attribute are oversize vehicle, start safety alarm mode；
Relative velocity and relative distance between S300, detection front vehicle and this vehicle；
If the relative distance between S400, front vehicle and this vehicle is less than set distance, the whether fast quick access of front vehicle is judged
This nearly vehicle shows danger signal by vehicle display device if exporting dangerous caution sound by sound output device.
2. road condition safety alarming method in rear of vehicle according to claim 1 identifies front vehicle in the step s 100
Vehicle attribute；It is characterized by: identified by profile of the cam device to front vehicle, and by the profile recognized with
The vehicle prestored matches, and judges whether it is oversize vehicle according to matching result.
3. road condition safety alarming method in rear of vehicle according to claim 2, in step S300, detection front vehicle with
Relative velocity and relative distance between this vehicle；It is characterized by: calculating front vehicle by the detection of millimetre-wave radar device
With the relative velocity and relative distance between this vehicle.
4. road condition safety alarming method in rear of vehicle according to claim 3, it is characterised in that: detect and count in step S300
After calculating relative velocity and relative distance, further includes: given by GNSS positioning device by the satellite positionings mode such as GPS/Beidou
This vehicle real time position out；The speed, plus/minus speed and course angle for coming from behind vehicle are received by vehicle V2V/V2I device
Information.
5. a kind of warning system based on road condition safety alarming method in rear of vehicle as claimed in claim 4, it is characterised in that: packet
Include millimetre-wave radar device, cam device, display device, sound output device, GNSS positioning device, vehicle V2V/V2I dress
It sets and ECU controller；
The cam device identifies the vehicle attribute of front vehicle, output identification information to ECU controller；
The millimetre-wave radar device detection calculates relative velocity and relative distance between this vehicle and front vehicle, output inspection
Measurement information is to ECU controller；
The GNSS positioning device provides this vehicle real time position, output positioning letter by the satellite positionings mode such as GPS/Beidou
It ceases to ECU controller；
The vehicle V2V/V2I device receives the speed, plus/minus speed and course angle information for coming from behind vehicle, exports rear
Information of vehicles is to ECU controller；
The ECU controller is in conjunction with the vehicle attribute, detection information, location information and front vehicle information, after judgement obtains
When square this vehicle of vehicle fast approaching, dangerous caution sound is exported by sound output device, is shown and is endangered by vehicle display device
Dangerous signal.
6. warning system according to claim 5, it is characterised in that: the ECU controller is in conjunction with the detection information, fixed
Position information and front vehicle information also make double operation indicatings for dodging warning lamp, acceleration or lane change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811572331.7A CN109703457A (en) | 2018-12-21 | 2018-12-21 | A kind of rear of vehicle road condition safety alarming method and its system |
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| CN201811572331.7A CN109703457A (en) | 2018-12-21 | 2018-12-21 | A kind of rear of vehicle road condition safety alarming method and its system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI773363B (en) * | 2021-06-08 | 2022-08-01 | 英業達股份有限公司 | Controlling and warning system based on road conditions feedback and method thereof |
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Application publication date: 20190503 |
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