CN105427671A - Driving aid device in fog area based on radar detection - Google Patents
Driving aid device in fog area based on radar detection Download PDFInfo
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- CN105427671A CN105427671A CN201510969138.7A CN201510969138A CN105427671A CN 105427671 A CN105427671 A CN 105427671A CN 201510969138 A CN201510969138 A CN 201510969138A CN 105427671 A CN105427671 A CN 105427671A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
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Abstract
The invention discloses a driving aid device in a fog area based on radar detection, and the device comprises a display, a GPS positioning signal, a rear detection radar, a processor, a loudspeaker, a front detection radar and a vehicle speed sensor, wherein the rear detection radar is used to detect position information of another vehicle behind a vehicle; the front detection radar is used to detect information of another vehicle in front of the vehicle; the vehicle speed sensor is used to detect a driving speed of the vehicle; the GPS positioning signal is used to detect a current geographic position of the vehicle; the four signals are sent to the processor; the processor displays the information on the display in real time; the processor will send out a signal to the loudspeaker; and the loudspeaker will send out an alarm sound so as to remind a driver of careful driving when the distance between the front vehicle and the vehicle or the distance between the rear vehicle and the vehicle is less than 30 m.
Description
Technical field
The present invention relates to a kind of fog-zone auxiliary travelling device based on radar detection, utilize distant-range high-precision Radar Technology, vehicle can be realized in greasy weather safety traffic, effectively avoid traffic accident, belong to automobile equipment technical field.
Background technology
Greasy weather, when travelling on a highway, because visibility reduces, is stop suddenly or accelerate suddenly all danger closes, often causes the major traffic accidents that group's car knocks into the back.At foggy weather.If vehicle speed per hour is 100 km, find that dangerous situation is to judging from your naked eyes, then to stepping on brake, at least need 1.5 seconds, your car has run out of more than 40 meter in 1.5 seconds.That is, in low visibility the thick fog weather of 50 meters, you almost have little time brake completely when finding dangerous situation, vehicle has rushed the past at full speed, and how can consequence be? as can be seen here, be breakneck thing at travelling in fog day, particularly in high speed, although some highway can be closed at a high speed in the greasy weather, sometimes close the factor such as not in time, also can cause very large impact.Current solution is exactly strengthen the awareness of safety of driver, does not have other reliable auxiliary driving device.In the large greasy weather, the penetration power of fog lamp is limited, and driver can not honk prompting front vehicles all the time.
Summary of the invention
Goal of the invention: for above-mentioned existing Problems existing and deficiency, the object of a kind of fog-zone auxiliary travelling device based on radar detection of the present invention prevents the greasy weather from producing traffic accident because of unsighted.
technical scheme:a kind of fog-zone auxiliary travelling device based on radar detection comprises display (1), GPS positioning signal (2), rear detection radar (3), processor (4), loudspeaker (5), front detection radar (6), vehicle speed sensor (7);
Processor (4) has four tunnel inputs and two-way output signal:
Processor (4) input signal one is connected with the output of GPS positioning signal (2), and is presented at display (1) middle position;
Processor (4) input signal two is connected with the output signal of rear detection radar (3);
Processor (4) input signal three is connected with the output signal of rear detection radar (3);
Processor (4) input signal four is connected with the output signal of vehicle speed sensor (7);
Processor (4) output signal one is connected with the input of display (1);
Processor (4) output signal two is connected with the input of loudspeaker (5).
The display information content of described display (1) comprises this truck position Signal aspects (1-1), with the display of track front vehicle position signalling (1-2), lane line (1-3), this front side right-hand lane vehicle location signal display (1-4), shows (1-6), 30 meters, front warning line (1-7), 30 meters, rear warning line (1-8) with lane preceding vehicle position signalling display (1-5), this car left-hand lane train running in reverse direction vehicle location signal, and the directional information arrow that vehicle travels shows.
Based on a fog-zone auxiliary travelling device for radar detection, it is characterized in that display (1) has scale display, scale indication range is that front vehicles distance range is 0 to 200 meters, and front vehicle distance range is 0 to 200 meters.
A kind of fog-zone auxiliary travelling device based on radar detection, when it is characterized in that occurring that before and after this vehicle other vehicle distances are less than 30 meters, processor (4) sends signal to loudspeaker (5), loudspeaker (5), give the alarm sound, remind driver to honk and remind this close vehicle, and enter risk distance.
Based on a fog-zone auxiliary travelling device for radar detection, it is characterized in that front and back radar can detect vehicle particular location, and be presented in the corresponding lane position of display screen.
Based on a fog-zone auxiliary travelling device for radar detection, it is characterized in that the travel direction judging vehicle-surroundings vehicle, concrete method of discrimination is:
Front detection radar (6) detection front vehicles distance signal D, unit is rice, the vehicle speed value V that this vehicle speed sensor (7) detects, and unit is meter per second, and the time is T, and unit is second;
If D≤V × D × 10%, then front vehicles is for travel in the same way;
If D > V × D × 10%, then front vehicles is Facing Movement.
Described display (1), for showing information, comprises this truck position Signal aspects (1-1), with the display of track front vehicle position signalling (1-2), lane line (1-3), this front side right-hand lane vehicle location signal display (1-4), shows (1-6), 30 meters, front warning line (1-7), 30 meters, rear warning line (1-8) with lane preceding vehicle position signalling display (1-5), this car left-hand lane train running in reverse direction vehicle location signal.Display is arranged on vehicle centre console position, also can share with existing navigation indicator.
Described GPS positioning signal (2), for detecting the geographic position at vehicle place, can utilize the gps signal of automobile navigation.
Described rear detection radar (3) is made up of long-range detection radar, can detect other vehicles or the obstacle information of the vehicle periphery within 200 meters, and can judge the particular location of other vehicles or barrier.Be arranged on rear view of vehicle, also can be used as reversing backup radar.
Described processor (4), for the treatment of information, comprises the signal of GPS positioning signal (2), rear detection radar (3), front detection radar (6), vehicle speed sensor (7), after treatment, signal is delivered to display (1) and loudspeaker (5).
Described loudspeaker (5), for sending alarm signal, is arranged in car.
Described front detection radar (6) is made up of long-range detection radar, can detect other vehicles or the obstacle information of the vehicle periphery within 200 meters, and can judge the particular location of other vehicles or barrier.Be arranged on vehicle front, also can be used as parking backup radar.
The speed that described vehicle speed sensor (7) travels for detecting vehicle, is made up of speed pickup.
Principle of work: other vehicle position informations at rear detection radar (3) detection vehicle rear, other information of vehicles in front detection radar (6) detection vehicle front, vehicle speed sensor (7) detects Vehicle Speed, GPS positioning signal (2) detects the current geographic position of vehicle, above four signals deliver to processor (4), these information are presented on display (1) by processor (4) in real time, if when front vehicles or front vehicle are less than 30 meters apart from this spacing, processor (4) sends signal to loudspeaker (5), loudspeaker (5) gives the alarm sound.Display (1) direction of traffic of other vehicles of direction display vehicle periphery of arrow, judges that the method in other vehicle driving directions is:
Front detection radar (6) detection front vehicles distance signal D, unit is rice, the vehicle speed value V that this vehicle speed sensor (7) detects, and unit is meter per second, and the time is T, and unit is second;
If D≤V × D × 10%, then front vehicles is for travel in the same way;
If D > V × D × 10%, then front vehicles is Facing Movement.
beneficial effect:the present invention has the following advantages:
(1) the present invention adopts the remote radar detection technique in front and back, other vehicle position informations of detection vehicle forward-and-rearward, and display over the display, and in the greasy weather, driver can understand nearby vehicle positional information at a glance.
(2) the present invention is based on existing GPS navigation technology, can add in existing GPS navigation system, without the need to specially development software and hardware, easily realizes marketing.
(3) the present invention adopts the speed of a motor vehicle and distance signal, judges the travel direction of nearby vehicle, more effective guarantee traffic safety.
accompanying drawing illustrates,fig. 1 is structural representation of the present invention.
In figure: 1 be display, 2 are GPS positioning signals, 3 are rear detection radars, 4 are processors, 5 are loudspeakers, 6 are front detection radars, 7 is vehicle speed sensor.
Fig. 2 is inventive display displaying contents schematic diagram.
In figure: 1-1 is this truck position Signal aspects, 1-2 is the front vehicle position signalling display of same track, 1-3 is lane line, 1-4 is the display of this front side right-hand lane vehicle location signal, 1-5 is the display of same lane preceding vehicle position signalling, 1-6 is the display of this car left-hand lane train running in reverse direction vehicle location signal, 1-7 is 30 meters, front warning line, 1-8 is 30 meters, rear warning line.）
Embodiment: by reference to the accompanying drawings 1 and Fig. 2, explains the present invention further.
A kind of fog-zone auxiliary travelling device based on radar detection comprises display (1), GPS positioning signal (2), rear detection radar (3), processor (4), loudspeaker (5), front detection radar (6), vehicle speed sensor (7);
Processor (4) has four tunnel inputs and two-way output signal:
Processor (4) input signal one is connected with the output of GPS positioning signal (2), and is presented at display (1) middle position;
Processor (4) input signal two is connected with the output signal of rear detection radar (3);
Processor (4) input signal three is connected with the output signal of rear detection radar (3);
Processor (4) input signal four is connected with the output signal of vehicle speed sensor (7);
Processor (4) output signal one is connected with the input of display (1);
Processor (4) output signal two is connected with the input of loudspeaker (5);
The display information content of described display (1) comprises this truck position Signal aspects (1-1), with the display of track front vehicle position signalling (1-2), lane line (1-3), this front side right-hand lane vehicle location signal display (1-4), shows (1-6), 30 meters, front warning line (1-7), 30 meters, rear warning line (1-8) with lane preceding vehicle position signalling display (1-5), this car left-hand lane train running in reverse direction vehicle location signal, and the directional information arrow that vehicle travels shows.
On described display (1) mounting vehicle console.
Described GPS positioning signal (2) is arranged in car, if vehicle has navigation feature, can use the gps signal of navigation.
Described rear detection radar (3) is arranged on rear view of vehicle, and installation method is the same with rear radar for backing car method.
It is inner that described processor (4) is arranged on console in car.
Described loudspeaker (5) can utilize internal loudspeaker.
Described front detection radar (6) is arranged on vehicle front, and installation method is the same with front radar for backing car method.
It is inner that described vehicle speed sensor (7) is arranged on console in car.
The foregoing is only better embodiment of the present invention; protection scope of the present invention is not limited with above-mentioned embodiment; in every case those of ordinary skill in the art modify or change according to the equivalence that disclosed content is done, and all should include in the protection domain recorded in claims.
Claims (5)
1. the fog-zone auxiliary travelling device based on radar detection comprises display (1), GPS positioning signal (2), rear detection radar (3), processor (4), loudspeaker (5), front detection radar (6), vehicle speed sensor (7);
Processor (4) has four tunnel inputs and two-way output signal:
Processor (4) input signal one is connected with the output of GPS positioning signal (2), and is presented at display (1) middle position;
Processor (4) input signal two is connected with the output signal of rear detection radar (3);
Processor (4) input signal three is connected with the output signal of rear detection radar (3);
Processor (4) input signal four is connected with the output signal of vehicle speed sensor (7);
Processor (4) output signal one is connected with the input of display (1);
Processor (4) output signal two is connected with the input of loudspeaker (5);
The display information content of described display (1) comprises this truck position Signal aspects (1-1), with the display of track front vehicle position signalling (1-2), lane line (1-3), this front side right-hand lane vehicle location signal display (1-4), shows (1-6), 30 meters, front warning line (1-7), 30 meters, rear warning line (1-8) with lane preceding vehicle position signalling display (1-5), undergraduate course left-hand lane train running in reverse direction vehicle location signal, and the directional information arrow that vehicle travels shows.
2. a kind of fog-zone auxiliary travelling device based on radar detection according to claim 1, it is characterized in that display (1) has scale display, scale indication range is that front vehicles distance range is 0 to 200 meters, and front vehicle distance range is 0 to 200 meters.
3. a kind of fog-zone auxiliary travelling device based on radar detection according to claim 1, when it is characterized in that occurring that before and after this vehicle other vehicle distances are less than 30 meters, processor (4) sends signal to loudspeaker (5), loudspeaker (5), give the alarm sound, remind driver to honk and remind this close vehicle, and enter risk distance.
4. a kind of fog-zone auxiliary travelling device based on radar detection according to claim 1, is characterized in that front and back radar can detect vehicle particular location, and is presented in the corresponding lane position of display screen.
5. a kind of fog-zone auxiliary travelling device based on radar detection according to claim 1, it is characterized in that the travel direction judging vehicle-surroundings vehicle, concrete method of discrimination is:
Front detection radar (6) detection front vehicles distance signal D, unit is rice, the vehicle speed value V that this vehicle speed sensor (7) detects, and unit is meter per second, and the time is T, and unit is second;
If D≤V × D × 10%, then front vehicles is for travel in the same way;
If D > V × D × 10%, then front vehicles is Facing Movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510969138.7A CN105427671A (en) | 2015-12-20 | 2015-12-20 | Driving aid device in fog area based on radar detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510969138.7A CN105427671A (en) | 2015-12-20 | 2015-12-20 | Driving aid device in fog area based on radar detection |
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| CN201510969138.7A Pending CN105427671A (en) | 2015-12-20 | 2015-12-20 | Driving aid device in fog area based on radar detection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106501805A (en) * | 2016-10-18 | 2017-03-15 | 合肥浮点信息科技有限公司 | A kind of electronic product with spacing speed aid prompting function |
| CN106781691A (en) * | 2016-11-30 | 2017-05-31 | 北京汽车集团有限公司 | Drive pre-warning system and method |
| CN109398286A (en) * | 2018-10-11 | 2019-03-01 | 华东交通大学 | A kind of expressway fog fog-zone road conditions visualization device based on microwave radar |
| CN114913696A (en) * | 2022-04-27 | 2022-08-16 | 南京信息工程大学 | Early warning method and system for driving on foggy highway |
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| CN101242523A (en) * | 2007-02-06 | 2008-08-13 | 株式会社电装 | Field watch apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501805A (en) * | 2016-10-18 | 2017-03-15 | 合肥浮点信息科技有限公司 | A kind of electronic product with spacing speed aid prompting function |
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| CN109398286A (en) * | 2018-10-11 | 2019-03-01 | 华东交通大学 | A kind of expressway fog fog-zone road conditions visualization device based on microwave radar |
| CN114913696A (en) * | 2022-04-27 | 2022-08-16 | 南京信息工程大学 | Early warning method and system for driving on foggy highway |
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