CN203444643U - Intelligent highway ramp guide system - Google Patents
Intelligent highway ramp guide system Download PDFInfo
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- CN203444643U CN203444643U CN201320445663.5U CN201320445663U CN203444643U CN 203444643 U CN203444643 U CN 203444643U CN 201320445663 U CN201320445663 U CN 201320445663U CN 203444643 U CN203444643 U CN 203444643U
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Abstract
The utility model belongs to the technical field of highway ramp traffic guide, and discloses an intelligent highway ramp guide system. The intelligent highway ramp guide system comprises a portal frame located at the ramp entrance of each highway, and a vehicle-mounted navigation system and a wireless signal transmitter mounted on a vehicle, wherein an ARM9 processor, N wireless signal receivers, N cameras and N LED displays are arranged on the cross beam of the portal frame, and N is the corresponding lane number at the highway ramp entrance; a wireless signal receiver, a camera and an LED display are fixedly arranged above each lane correspondingly; the vehicle-mounted navigation system is electrically connected with the wireless signal transmitter; and the ARM9 processor is electrically connected with the N wireless signal receivers, N cameras and N LED displays respectively.
Description
Technical field
The utility model belongs to expressway ramp traffic show the way technical field, particularly a kind of expressway ramp intelligent direction giving system.
Background technology
Fingerpost is the sign that transmits road direction, place, distance, and the size of fingerpost quantity of information and the leglibility of indicated content can be on driver drives vehicle convenience and the critical impacts of agility.In order to meet the requirement of the current needs of traffic and the aspect such as attractive in appearance, existing expressway ramp design becomes increasingly complex, for making driver's energy selecting properly ring road, the content of supporting expressway ramp fingerpost is also more and more with it, but its legibility extreme difference, does not have the effect of correct indication driver drives vehicle to a great extent.To the uncomprehending strange driver of road conditions when the highway up train, all need in most cases to instruct driving by expressway ramp fingerpost, but due to reasons such as expressway ramp fingerpost content are too much, the routing information of driver's needs is not obvious, driver can not be at the interior useful information effectively obtaining on expressway ramp fingerpost of identification distance, thereby go to the wrong way ring road, to people's trip, brought great inconvenience like this.
Utility model content
The purpose of this utility model is to propose a kind of expressway ramp intelligent direction giving system.This expressway ramp intelligent direction giving plant investment expense is few, is applicable to large-scale promotion, and its guiding method has intellectuality, robotization, without operation and the high feature of reliability.
For realizing above-mentioned technical purpose, the utility model adopts following technical scheme to be achieved.
An intelligent direction giving system, comprises the portal frame that is positioned at every expressway ramp porch, it is characterized in that, also comprises: be arranged on onboard navigation system and wireless signal transmitter on vehicle; ARM9 processor, a N wireless signal receiver, a N video camera and N LED display are installed on the crossbeam of described portal frame, N is number of track-lines corresponding to expressway ramp porch, and the top correspondence in each track is fixed with a wireless signal receiver, a video camera and a LED display; Described onboard navigation system is electrically connected to described wireless signal transmitter, and described ARM9 processor is electrically connected to respectively N wireless signal receiver, a N video camera and N LED display.
The feature of the technical program and further improvement are:
Described wireless signal transmitter and wireless signal receiver all adopt nRF2401 monolithic radio frequency transceiving chip.
Described a kind of expressway ramp intelligent direction giving system, also comprises the single-chip microcomputer being arranged on vehicle, and described onboard navigation system is electrically connected to wireless signal transmitter by single-chip microcomputer.
The camera lens of described each video camera is towards the direction to the car in corresponding track, and described each LED display is towards the direction to the car in corresponding track.
The beneficial effects of the utility model are: a kind of expressway ramp intelligent direction giving system of the present utility model changes traditional expressway ramp traffic sign that shows the way into show variable information LED display, when showing road information, this LED display is showing that on the basis of fixed route information, the reference path information that vehicle will be passed through highlights.The utlity model has that investment cost is few, simplicity of design, feature that reliability is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of expressway ramp intelligent direction giving system of the present utility model;
Fig. 2 is the electrical connection schematic diagram of a kind of expressway ramp intelligent direction giving system of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to Fig. 1, it is the structural representation of a kind of expressway ramp intelligent direction giving system of the present utility model; With reference to Fig. 2, it is the electrical connection schematic diagram of a kind of expressway ramp intelligent direction giving system of the present utility model.Erect the ring road porch of this highway a portal frame 6, and portal frame 6 is comprised of column and crossbeam, and for instance, the road of this ring road porch is unidirectional two tracks.First carry out the installation of equipment, concrete installation process is as follows: two video cameras 3 are installed on the crossbeam of portal frame 6, and these two video camera 3 correspondences are arranged on the center line top in two tracks.Two video cameras 3 adopt coarse grooves to be bolted on the crossbeam of portal frame 6, and two video cameras 3 are at a certain angle downwards towards the direction to the car in corresponding track.Because video camera 3 volumes are little, interference, away from pilot's line of vision watching area, can not caused to driver in installation site.Two video cameras 3 are for gathering the road image in corresponding track.In the utility model embodiment, video camera 3 adopts culminant star YJS-01USB2.0 camera, its valid pixel 6,000,000.
ARM9 processor 1 is encapsulated in can, by wire and the external world, carries out signal transmission, and ARM9 processor 1 is fixed on the crossbeam middle part of portal frame 6.Utilize USB connecting line respectively two video cameras 3 to be connected with the USB interface of ARM9 processor 1.ARM9 processor 1, for according to the ownership place of the data identification target vehicle receiving, is done preliminary judgement to driver's driving intention simultaneously.In the utility model embodiment, the model of ARM9 processor 1 is S3C2410.
Single-chip microcomputer 10 is arranged near onboard navigation system, and in the utility model embodiment, single-chip microcomputer 10 adopts 89C52 single-chip microcomputers; Usage data line connects the data-interface of onboard navigation system 9 and the I/O interface of single-chip microcomputer 10.Wireless signal transmitter 11 is arranged on the free time place of the hood below of vehicle 5, avoids wireless signal transmitter 11 to form and block, and can guarantee the normal operation of wireless signal transmitter 11.In the utility model embodiment, usage data line connects the data-interface of wireless signal transmitter 11 and the I/O interface of single-chip microcomputer 10, wireless signal transmitter 11 adopts nRF2401 monolithic radio frequency transceiving chip, this nRF2401 monolithic radio frequency transceiving chip is set to emission mode, to guarantee wireless signal transmitter 11 normal operations.Onboard navigation system 9 is for obtaining the longitude and latitude at Vehicle Driving Cycle destination and vehicle place, and for the longitude and latitude at Vehicle Driving Cycle destination and vehicle place is sent to wireless signal transmitter 11; Wireless signal transmitter 11 is for receiving the longitude and latitude at Vehicle Driving Cycle destination and vehicle place, and for the longitude and latitude at Vehicle Driving Cycle destination and vehicle place being sent by wireless channel.
Two wireless signal receivers 2 are installed on the crossbeam of portal frame 6, these two wireless signal receivers 2 are fixed on the side of two video cameras 3 by bolt correspondence, avoid two wireless signal receivers 2 to form and block, guarantee the smooth work of two wireless signal receivers 2.Usage data line is connected the signaling interface of two wireless signal receivers 2 respectively with the I/O interface of ARM9 processor 1.In the utility model embodiment, two wireless signal receivers 2 all adopt nRF2401 monolithic radio frequency transceiving chip, and this nRF2401 monolithic radio frequency transceiving chip is set to receiving mode, to guarantee the normal operation of two wireless signal receivers 2.Two wireless signal receivers 2 are for receiving the longitude and latitude at Vehicle Driving Cycle destination and vehicle place, for the longitude and latitude at Vehicle Driving Cycle destination and vehicle place is sent to ARM9 processor 1.
Below the crossbeam of portal frame 6, be fixed with two LED display 4, these two LED display 4 correspondences are arranged on the top in two tracks, for the vehicle prompting routing information to corresponding track.In the utility model embodiment, these two LED display 4 are for substituting traditional fixed signal ring road traffic sign that shows the way.Usage data line is connected the I/O interface of the data-interface of two LED display 4 and ARM9 processor 1 respectively.In the utility model embodiment, LED display 4 adopts the full-color highlighted LED electrical screen of P10 of having a showdown.
In the utility model embodiment, the information that LED display 4 shows is divided into two kinds: fixed route information and reference path information.Wherein fixed route information comprises: direction of traffic corresponding to all tracks, expressway ramp porch, and destination corresponding to all tracks.Fixed route Information preservation is constant, is presented at all the time in all LED display 4 of expressway ramp porch.
Reference path information is the routing information dynamically showing, it be presented at fixed route information in LED display 4 after.Its concrete procedure for displaying is as follows: when vehicle enters the coverage of video camera 3, the road image that corresponding video camera 3 collects comprises the image of vehicle, ARM9 processor 1 receives respectively the license plate number information that video camera 3 gathers, by image processing program and contrast judgement, obtain the ownership place of vehicle, receive the Vehicle Driving Cycle destination of wireless signal receiver 2 transmissions and the longitude and latitude of vehicle position simultaneously, above-mentioned three groups of information are comprehensively judged, analyze vehicle 5 in which track, and according to driver's driving intention, determine reference path information simultaneously.In LED display 4 on this track, highlight this reference path information.As the case may be, reference path information is: the reference path information definite according to vehicle ownership place, or the reference path information definite according to Vehicle Driving Cycle object.Illustrate fixed route information and reference path information below, in expressway ramp porch, have three tracks, one of them track be the south orientation north to Through Lane, track be north orientation south to Through Lane, another track is right-turn lane.In all LED display 4 of expressway ramp porch, all show below fixed route information: " south orientation north craspedodrome A ground ", " north orientation south craspedodrome E ground " " right-hand bend B "; Above fixed route information is divided into two row and is presented in LED display 4.When a vehicle enters the coverage of video camera of right-turn lane, the reference path information that finally will show is: the reference path information definite according to this vehicle ownership place, or the reference path information definite according to this Vehicle Driving Cycle object.The ownership place of this vehicle is C ground, Vehicle Driving Cycle object is D ground, and from expressway ramp porch, travel to C need to travel along right-turn lane, and from expressway ramp porch, travel to D ground, need to turn around along north orientation south to Through Lane travel.If reference path information is determined according to this vehicle ownership place,, in corresponding LED display 4, after " right-hand bend B ", add " C ground ".If reference path information is to determine according to the destination of travelling of this vehicle,, in corresponding LED display 4, after " north orientation south craspedodrome E ground ", show " D ground ", thereby prompting vehicle turns around.
When intention that target vehicle is travelled judges, for making driver have time enough to read the information in LED display 4, therefore, the transmitting range of wireless signal transmitter 11 should be enough far away, the wireless launcher transmitting range adopting in the present embodiment is at least more than 500 meters, therefore system can work, and there will not be the expressway ramp traffic sign prompting phenomenon not in time that shows the way.
In the utility model embodiment, by using video camera 3 to gather the license plate image of vehicle on corresponding track, use wireless signal receiver 2 to receive the travel longitude and latitude of destination and this target vehicle position of this target vehicle in the onboard navigation system 9 that on corresponding tracks, vehicle 5 sends, then image transmitting video camera 3 being collected is to ARM9 processor 1, image processing program in ARM9 processor 1 is processed the vehicle license plate image collecting, by image recognition, obtain the license plate number front two character of vehicle, each department license plate number front two character pre-stored in the license plate number front two character obtaining according to image processing program and ARM9 processor 1 is contrasted, draw the ownership place of this vehicle 5, travel destination and this target vehicle position longitude and latitude of the vehicle 5 that simultaneously wireless signal receiver 2 receives transfer to ARM9 processor 1, in ARM9 processor 1, utilize signal handler to determine whether lower vehicle 5 will enter the track of ring road and this target vehicle place herein, after above-mentioned processing, judge the driving intention of vehicle 5, in the LED display 4 in corresponding track, the reference path information that this vehicle 5 will be passed through highlights, for obtaining the transport information that effectively shows the way smoothly, driver offers help.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (4)
1. an expressway ramp intelligent direction giving system, comprises the portal frame (6) that is positioned at every expressway ramp porch, it is characterized in that, also comprises: be arranged on onboard navigation system (9) and wireless signal transmitter (11) on vehicle (5); ARM9 processor (1), a N wireless signal receiver (2), a N video camera (3) and N LED display (4) are installed on the crossbeam of described portal frame (6), N is number of track-lines corresponding to expressway ramp porch, and the top correspondence in each track is fixed with a wireless signal receiver (2), a video camera (3) and a LED display (4); Described onboard navigation system (9) is electrically connected to described wireless signal transmitter (11), and described ARM9 processor (1) is electrically connected to respectively N wireless signal receiver (2), a N video camera (3) and N LED display (4).
2. a kind of expressway ramp intelligent direction giving system as claimed in claim 1, is characterized in that, described wireless signal transmitter (11) and wireless signal receiver (2) all adopt nRF2401 monolithic radio frequency transceiving chip.
3. a kind of expressway ramp intelligent direction giving system as claimed in claim 1, it is characterized in that, also comprise the single-chip microcomputer (10) being arranged on vehicle (5), described onboard navigation system (9) is electrically connected to wireless signal transmitter (11) by single-chip microcomputer (10).
4. a kind of expressway ramp intelligent direction giving system as claimed in claim 1, is characterized in that, the camera lens of described each video camera (3) is towards the direction to the car in corresponding track, and described each LED display (4) is towards the direction to the car in corresponding track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445663.5U CN203444643U (en) | 2013-07-25 | 2013-07-25 | Intelligent highway ramp guide system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445663.5U CN203444643U (en) | 2013-07-25 | 2013-07-25 | Intelligent highway ramp guide system |
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| CN203444643U true CN203444643U (en) | 2014-02-19 |
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| CN201320445663.5U Expired - Fee Related CN203444643U (en) | 2013-07-25 | 2013-07-25 | Intelligent highway ramp guide system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413449A (en) * | 2013-07-25 | 2013-11-27 | 重庆交通大学 | Expressway ramp intelligent way directing system and way directing method thereof |
| CN108109383A (en) * | 2016-11-25 | 2018-06-01 | 杭州海康威视数字技术股份有限公司 | A kind of information determines method and device |
-
2013
- 2013-07-25 CN CN201320445663.5U patent/CN203444643U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413449A (en) * | 2013-07-25 | 2013-11-27 | 重庆交通大学 | Expressway ramp intelligent way directing system and way directing method thereof |
| CN108109383A (en) * | 2016-11-25 | 2018-06-01 | 杭州海康威视数字技术股份有限公司 | A kind of information determines method and device |
| CN108109383B (en) * | 2016-11-25 | 2021-04-16 | 杭州海康威视数字技术股份有限公司 | Information determination method and device |
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| 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 |
Granted publication date: 20140219 Termination date: 20140725 |
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| EXPY | Termination of patent right or utility model |