CN111091723A - Intelligent traffic light and system based on wireless communication - Google Patents
Intelligent traffic light and system based on wireless communication Download PDFInfo
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- CN111091723A CN111091723A CN201911317369.4A CN201911317369A CN111091723A CN 111091723 A CN111091723 A CN 111091723A CN 201911317369 A CN201911317369 A CN 201911317369A CN 111091723 A CN111091723 A CN 111091723A
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- vehicle
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- intelligent traffic
- wireless communication
- traffic light
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0116—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
- G08G1/0145—Measuring and analyzing of parameters relative to traffic conditions for specific applications for active traffic flow control
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses an intelligent traffic system based on wireless communication, which comprises a plurality of intelligent traffic lights, a positioning system, a wireless base station and a server; the positioning system sends geographical position information data to each intelligent traffic light; the intelligent traffic light sends the geographical position data and the road information shot by the high-definition camera to the server through the emitter; the server feeds the information data back to the intelligent traffic light through the wireless router by processing and calculating the received data. According to the intelligent traffic system based on wireless communication, the lighting time of the traffic lights is calculated according to traffic flow data collected by the high-definition camera, so that traffic flow can be controlled more effectively; through the terminal equipment network that a plurality of intelligent transportation lamps constitute, accomplish accurate judgement, the reasonable pilot lamp to each crossing is controlled, the problem of the solution traffic jam that can the at utmost improves trip efficiency.
Description
Technical Field
The invention relates to an intelligent traffic system, in particular to an intelligent traffic system based on wireless communication.
Background
The traffic signal lamp is a signal lamp for commanding traffic operation and generally consists of a red lamp, a green lamp and a yellow lamp. The red light represents no passage, the green light represents permission of passage, and the yellow light represents warning; the traffic signal lamp is divided into: motor vehicle signal lamp, non-motor vehicle signal lamp, pedestrian crossing signal lamp, direction indicating lamp (arrow signal lamp), lane signal lamp, flash warning signal lamp, road and railway crossing signal lamp.
Traffic signal lamp is as the infrastructure that we have common in the life to can no longer be common, when guaranteeing traffic safety, should furthest improvement people's trip efficiency, but the operation of present pilot lamp is all preset in advance, and the trip in-process, not all day is the same trip state, the traffic jam problem is obviously difficult to solve to the executive plan of predetermineeing, to sum up, we propose an intelligent traffic lamp and system based on wireless communication, can judge specific duration of same trip according to the traffic jam condition, thereby furthest's solution traffic jam problem.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to an intelligent traffic light based on wireless communication, which comprises a frame body, wherein the frame body is composed of a vertical upright rod and a horizontal cross rod, a signal lamp group, a high-definition camera and a transmitter are mounted on the horizontal cross rod, the view finding direction of the high-definition camera is consistent with the display direction of the signal lamp group, the longitudinal view finding range of the high-definition camera is not less than 200 m, the transmitter is fixedly mounted on the cross rod and is electrically connected with the high-definition camera, and the transmitter is a wireless transmitter and at least comprises two or more radio frequency antennas.
As a preferred technical scheme of the invention, the main body shell of the emitter is manufactured by adopting an integral forming process, and waterproof rubber strips are arranged at the joints of the main body shell of the emitter.
As a preferred technical scheme of the invention, the high-definition camera is installed obliquely downwards at an angle of 15-30 degrees, a rain shield is arranged above a lens at the front end of the high-definition camera, and the rain shield is turned outwards by 10-15 degrees.
As a preferred technical scheme of the invention, a power line is arranged in the frame body, and the power line is connected with a mains supply and provides electric energy for the signal lamp bank, the high-definition camera and the emitter.
An intelligent traffic system based on wireless communication comprises a plurality of intelligent traffic lights, a positioning system, a wireless base station and a server;
the intelligent traffic lights are arranged at each traffic intersection step by step, the positioning system sends geographical position information data to each intelligent traffic light, and a plurality of intelligent traffic lights are integrated to form a terminal equipment network;
the intelligent traffic light sends the geographical position data and the road information shot by the high-definition camera to the server through the emitter;
the server processes and calculates the received data, feeds the information data back to the intelligent traffic light through the wireless router, and indicates the information data through the signal light group.
As a preferred technical scheme of the invention, the server is composed of a plurality of physical servers, a traffic road model is simulated through geographical position information data received by the physical servers, vehicle data are captured through a dynamic graph processing algorithm through video data received by the physical servers and collected by a high-definition camera, and feedback data are generated through calculation and sent to the intelligent traffic light.
As a preferable technical scheme of the invention, the dynamic graph processing algorithm simulates vehicles running on the road into square points, judges the road smoothness condition by accumulating the number of the square points, and displays the road smoothness condition on the traffic road model by color marks.
As a preferable technical scheme of the invention, the quantity information of the vehicles in the form corresponding to the road is obtained through the dynamic graphic processing algorithm, and the display duration of each indicator lamp in the signal lamp group is calculated through the quantity information.
As a preferred technical scheme of the invention, a green light timer is further integrated on the intelligent traffic light, the green light timer comprises a straight green light timer and a left green light turning timer, the output ends of the green light timer and a positioning system are electrically connected with the receiving end of a vehicle processor through wireless, the green light timer is used for sending current green light countdown information to the vehicle processor, the positioning system is used for sending geographical position information of the intelligent traffic light to the vehicle processor, a route judgment module and a vehicle passing judgment module are integrated in the vehicle processor, the route judgment module judges whether a vehicle is on a current traffic light route according to the received geographical position information of the intelligent traffic light, if not, the vehicle information is ignored, if yes, the vehicle information is fed back to the intelligent traffic light, and meanwhile, the vehicle passing judgment module judges whether the vehicle can pass through the current green light countdown, and displaying or broadcasting; the vehicle processing module calculates the distance from the vehicle to the intelligent traffic light according to the geographic position of the intelligent traffic light and the current vehicle position obtained by the vehicle GPS, calculates the time required by the vehicle to pass through the intelligent traffic light according to the current vehicle speed obtained by the vehicle GPS, and then the vehicle passing judging module compares the time required by the vehicle to pass through the intelligent traffic light with the current green light countdown information to judge whether the vehicle can pass through the current green light countdown.
The invention has the beneficial effects that:
1. compared with the traditional indicator light, the lighting time of the traffic light is calculated according to traffic data collected by the high-definition camera, is not preset in advance, and can effectively control traffic;
2. a large amount of data is obtained through a terminal equipment network formed by a plurality of intelligent traffic lights, and accurate judgment is achieved through calculation of the large data;
3. the reasonable pilot lamp to each crossing controls, can the at utmost solve the problem of traffic jam, improves trip efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of an intelligent traffic light based on wireless communication according to the present invention;
FIG. 2 is a schematic structural diagram of an intelligent transportation system based on wireless communication according to the present invention;
FIG. 3 is a schematic diagram of a dynamic graphics processing algorithm of an intelligent transportation system based on wireless communication according to the present invention.
In the figure: 1. a frame body; 2. a signal lamp group; 3. a high-definition camera; 4. a transmitter.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1, the intelligent traffic light based on wireless communication comprises a frame body 1, wherein the frame body 1 is composed of a vertical upright rod and a horizontal cross rod, a signal light group 2, a high-definition camera 3 and a transmitter 4 are installed on the horizontal cross rod, the viewing direction of the high-definition camera 3 is consistent with the display direction of the signal light group 2, the longitudinal viewing range of the high-definition camera 3 is not less than 200 meters, the transmitter 4 is fixedly installed on the cross rod and is electrically connected with the high-definition camera 3, and the transmitter 4 is a wireless transmitter 4 and at least comprises two or more radio frequency antennas.
The main body shell of the emitter 4 is manufactured by adopting an integral forming process, and waterproof rubber strips are arranged at the joints of the main body shell of the emitter 4.
Wherein the high-definition camera 3 is obliquely installed downwards by 15 degrees to 30 degrees, a rain baffle is arranged above the lens at the front end of the high-definition camera 3, and the rain baffle is turned outwards by 10 degrees to 15 degrees.
Wherein, the inside of support body 1 is provided with the power cord, and this power cord connects the commercial power to for signal banks 2, high definition digtal camera 3 and transmitter 4 provide the electric energy.
As shown in fig. 2-3, an intelligent transportation system based on wireless communication includes a plurality of intelligent transportation lamps, a positioning system, a wireless base station and a server;
the intelligent traffic lights are arranged at each traffic intersection step by step, the positioning system sends geographical position information data to each intelligent traffic light, and a plurality of intelligent traffic lights are integrated to form a terminal equipment network;
the intelligent traffic light sends the geographical position data and the road information shot by the high-definition camera 3 to the server through the emitter 4;
the server processes and calculates the received data, feeds the information data back to the intelligent traffic light through the wireless router, and indicates the information data through the signal light group 2.
The server is composed of a plurality of physical servers, a traffic road model is simulated through geographical position information data received by the physical servers, video data collected by the high-definition camera 3 and received by the physical servers are subjected to dynamic graphic processing algorithm to capture vehicle data, and feedback data generated through calculation are sent to the intelligent traffic light.
The dynamic graph processing algorithm simulates vehicles running on a road into square grid points, the road smoothness is judged by accumulating the number of the square grid points, the square grid points are displayed on a traffic road model in a color marking mode, the number information of the vehicles corresponding to the form on the road is obtained through the dynamic graph processing algorithm, as shown in fig. 3, the obtained data are N1, N2 and N3, the obtained data respectively correspond to the vehicle data on a right turn road, a straight road and a left turn road, the obtained data respectively correspond to the same-running time T1, T2, T3, T1= xN1, T12= yN2 and T3= zN3 of a right turn road indicator light, the obtained data of the N1, N2 and N3 are used for calculating the values of the T1, T2 and T3, and the time of the same-running of the right turn road, the straight road and the left turn road is judged.
As another embodiment, the intelligent traffic light of the present invention further integrates a green light timer, the green light timer includes a direct green light timer and a left green light timer, the output ends of the green light timer and the positioning system are electrically connected to the receiving end of the vehicle processor by wireless, the green light timer is used for sending the current green light countdown information to the vehicle processor, the positioning system is used for sending the geographical position information of the intelligent traffic light to the vehicle processor, the vehicle processor is integrated with a route judgment module and a vehicle passing judgment module, the route judgment module judges whether the vehicle is on the current traffic light route according to the received geographical position information of the intelligent traffic light, if not, the vehicle information is ignored, if yes, the vehicle information is fed back to the intelligent traffic light, and meanwhile, the vehicle passing judgment module judges whether the vehicle can pass through the current green light countdown, and displaying or broadcasting; the vehicle processing module calculates the distance from the vehicle to the intelligent traffic light according to the geographic position of the intelligent traffic light and the current vehicle position obtained by the vehicle GPS, calculates the time required by the vehicle to pass through the intelligent traffic light according to the current vehicle speed obtained by the vehicle GPS, and then the vehicle passing judging module compares the time required by the vehicle to pass through the intelligent traffic light with the current green light countdown information to judge whether the vehicle can pass through the current green light countdown.
In the embodiment, the driver can adjust the route according to the obtained green light countdown information, so that the problem of urban traffic jam is solved; when the following cart is shielded by a signal lamp, traffic accidents can be avoided; when a vehicle is at a certain speed and a green light is counted down, the time of arriving at an intersection is artificially and misjudged, so that a red light is mistakenly run or an emergency brake is caused; in addition, the information of the number of the current road vehicles can be reported through the traffic lights, signal lights can be intelligently controlled, and the road passing efficiency is increased; the vehicle data collected by the traffic signal lamp provides effective evidence for investigation of violation and law violation.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an intelligent traffic light based on wireless communication, includes the support body, the support body comprises on vertical pole setting and the horizontal pole, installs signal lamp group, high definition digtal camera and transmitter on the horizontal pole, its characterized in that, high definition digtal camera's the direction of finding a view is unanimous with the demonstration direction of signal lamp group, just high definition digtal camera's vertical scope of finding a view is not less than 200 meters, transmitter fixed mounting is on the horizontal pole and is connected with high definition digtal camera electricity, the transmitter is wireless transmitter, and contains two or more radio frequency antenna at least.
2. The intelligent traffic light based on wireless communication of claim 1, wherein the main body housing of the transmitter is manufactured by an integral molding process, and waterproof rubber strips are arranged at the joints of the main body housing of the transmitter.
3. The intelligent traffic light based on wireless communication of claim 1, wherein the high definition camera is installed obliquely downward at an angle of 15 ° to 30 °, a rain shield is arranged above a lens at the front end of the high definition camera, and the rain shield is turned outward at an angle of 10 ° to 15 °.
4. The intelligent traffic light based on wireless communication of claim 1, wherein a power line is arranged inside the frame body, and the power line is connected with a mains supply and provides electric energy for the signal light group, the high-definition camera and the emitter.
5. An intelligent transportation system based on wireless communication, which is characterized by comprising a plurality of intelligent transportation lamps, a positioning system, a wireless base station and a server according to any one of claims 1 to 4;
the intelligent traffic lights are arranged at each traffic intersection step by step, the positioning system sends geographical position information data to each intelligent traffic light, and a plurality of intelligent traffic lights are integrated to form a terminal equipment network;
the intelligent traffic light sends the geographical position data and the road information shot by the high-definition camera to the server through the emitter;
the server processes and calculates the received data, feeds the information data back to the intelligent traffic light through the wireless router, and indicates the information data through the signal light group.
6. The intelligent transportation system based on wireless communication of claim 5, wherein the server comprises a plurality of physical servers, the geographic location information data received by the physical servers is used for simulating a transportation road model, the video data received by the physical servers and collected by the high definition camera is used for capturing vehicle data through a dynamic image processing algorithm, and feedback data is generated through calculation and sent to the intelligent transportation lamp.
7. The intelligent transportation system based on wireless communication of claim 5, wherein the dynamic graphic processing algorithm simulates passing vehicles on the road into square points, judges road smoothness by accumulating the number of the square points, and displays the road smoothness on the traffic road model by color marks.
8. The intelligent transportation system based on wireless communication of claim 5, wherein the dynamic graphic processing algorithm obtains the quantity information of the vehicles corresponding to the form on the road, and calculates the display duration of each indicator light in the signal light group according to the quantity information.
9. The intelligent transportation system based on wireless communication of claim 5, wherein the intelligent transportation lamp further integrates a green light timer, the green light timer comprises a straight green light timer and a left green light timer, the output ends of the green light timer and the positioning system are electrically connected with the receiving end of the vehicle processor through wireless, the green light timer is used for sending the current green light countdown information to the vehicle processor, the positioning system is used for sending the geographical position information of the intelligent transportation lamp to the vehicle processor, the vehicle processor is integrated with a route judgment module and a vehicle passing judgment module, the route judgment module judges whether the vehicle is on the route of the current transportation lamp according to the received geographical position information of the intelligent transportation lamp, if not, neglects, if yes, feeds the vehicle information back to the intelligent transportation lamp, and simultaneously the vehicle judges whether the vehicle can pass through the current green light countdown through the judgment module, and displaying or broadcasting; the vehicle processing module calculates the distance from the vehicle to the intelligent traffic light according to the geographic position of the intelligent traffic light and the current vehicle position obtained by the vehicle GPS, calculates the time required by the vehicle to pass through the intelligent traffic light according to the current vehicle speed obtained by the vehicle GPS, and then the vehicle passing judging module compares the time required by the vehicle to pass through the intelligent traffic light with the current green light countdown information to judge whether the vehicle can pass through the current green light countdown.
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| CN201911317369.4A CN111091723A (en) | 2019-12-19 | 2019-12-19 | Intelligent traffic light and system based on wireless communication |
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| CN201911317369.4A CN111091723A (en) | 2019-12-19 | 2019-12-19 | Intelligent traffic light and system based on wireless communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114038215A (en) * | 2021-12-09 | 2022-02-11 | 深圳市伟标辉建设有限公司 | Urban traffic signal lamp management system |
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Application publication date: 20200501 |