CN111932894A - Multifunctional integrated road traffic signal system - Google Patents
Multifunctional integrated road traffic signal system Download PDFInfo
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- CN111932894A CN111932894A CN202010942392.9A CN202010942392A CN111932894A CN 111932894 A CN111932894 A CN 111932894A CN 202010942392 A CN202010942392 A CN 202010942392A CN 111932894 A CN111932894 A CN 111932894A
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- intersection
- road
- information
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- signal lamp
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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
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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
- G08G1/085—Controlling traffic signals using a free-running cyclic timer
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
Abstract
The invention discloses a multifunctional integrated road traffic signal system, and particularly relates to the technical field of traffic signals. The invention controls the signal lamp control time at the intersection in a grading way according to the traffic flow information of the coming and going vehicles in all directions, thereby providing an effective and reasonable traffic signal control method, greatly improving the congestion state at the intersection of the road in the peak period and improving the smoothness of the road.
Description
Technical Field
The invention relates to the technical field of traffic signals, in particular to a multifunctional integrated road traffic signal system.
Background
In the existing road traffic, a road traffic signal system is an important infrastructure, and plays a key control role in the road traffic of the whole city. The road signal system mainly comprises signal lamps, a signal controller and signal control software.
The existing road traffic signal lamp is mostly controlled simply, and cannot be adjusted automatically when the traffic flow changes greatly, so that the display duration of the signal lamp cannot be changed according to the road traffic flow condition, congestion at some main intersections is serious when the traffic flow is high, and the traffic efficiency is low due to long red light waiting time when the traffic flow is low.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multi-functional integrated road traffic signal system, accuse end, high in the clouds data processing module and signal lamp unit in the crossing, all through the internet access between accuse end, high in the clouds data processing module and the signal lamp unit in the crossing, high in the clouds data processing module includes real-time traffic flow unit, real-time map module and traffic flow analysis unit, and the signal lamp unit includes signal lamp timing module and signal lamp data acquisition module.
In a preferred embodiment, the intersection central control end comprises a microprocessor, a positioning module and a display end, the positioning module is used for acquiring position information of the location of the intersection central control end, and the display end is used for displaying the working state of the signal lamp unit.
In a preferred embodiment, the real-time traffic flow unit is configured to obtain real-time traffic flow information of roads around a center control end of the intersection, the real-time map module is road information, road direction information, and road lane information around the center control end of the intersection, and the traffic flow analysis unit is configured to analyze and process the real-time traffic flow information.
In a preferred embodiment, the real-time traffic flow information is processed, specifically:
s1, acquiring road information existing around the position of a control end in the intersection from the data information of the real-time map module, and marking the road as E alpha, S alpha, W alpha and N alpha in sequence according to the direction and lane information based on the position of the control end in the intersection, wherein the letters represent the direction of the road, and the alpha represents the lane number information of the road;
s2, according to a real-time traffic flow information distribution map, based on the position of a control end in the intersection, intercepting vehicle flow information of four lanes E alpha, S alpha, W alpha and N alpha away from the position by 100 meters, and sequentially calculating E gamma, S gamma, W gamma and N gamma, wherein gamma represents the vehicle flow information level and comprises 1, 2, a.
And S3, sending the acquired vehicle traffic information grade to the intersection center control end through the network.
In a preferred embodiment, the signal lamp timing module includes a timing calculation unit, the timing calculation unit is sequentially connected to multiple groups of signal lamps at the intersection, and the timing calculation unit calculates signal lamp response time according to vehicle traffic information levels of different roads and controls multiple groups of signal lamps in the signal lamp unit to display.
In a preferred embodiment, the signal lamp data acquisition module acquires the lighting time of the signal lamp unit, and stores and backs up the signal lamp time.
In a preferred embodiment, the intersection central control end is further connected with a mobile terminal, the mobile terminal has the highest authority for controlling the intersection central control end to work, and when the mobile terminal starts to work, the control command receiving and sending of the signal lamp unit are completed by the mobile terminal.
The invention has the technical effects and advantages that:
according to the invention, the basic information of a plurality of roads intersected with the intersection is obtained, the real-time traffic flow information of the plurality of roads is obtained, and the control duration of the signal lamp at the intersection is controlled in a grading manner according to the traffic flow information of the coming and going vehicles in all directions, so that an effective and reasonable traffic signal control method is provided, the congestion state at the intersection of the roads in the peak period can be greatly improved, and the smoothness of the roads is improved.
Drawings
FIG. 1 is a schematic diagram of the system framework of the present invention.
Fig. 2 is a schematic diagram of a cloud data processing module framework according to the present invention.
Fig. 3 is a schematic diagram of a framework of a control end part in the intersection of the invention.
Fig. 4 is a partial frame schematic view of a signal light unit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The multifunctional integrated road traffic signal system comprises a road junction central control end, a cloud data processing module and a signal lamp unit, wherein the road junction central control end, the cloud data processing module and the signal lamp unit are connected through a network, the cloud data processing module comprises a real-time traffic flow unit, a real-time map module and a traffic flow analysis unit, and the signal lamp unit comprises a signal lamp timing module and a signal lamp data acquisition module.
The intersection central control end comprises a microprocessor, a positioning module and a display end, wherein the positioning module is used for acquiring position information of the location of the intersection central control end, and the display end is used for displaying the working state of the signal lamp unit;
the real-time traffic flow analysis unit is used for analyzing and processing the real-time traffic flow information;
the method for processing the real-time traffic flow information specifically comprises the following steps:
s1, acquiring road information existing around the position of a control end in the intersection from the data information of the real-time map module, and marking the road as E alpha, S alpha, W alpha and N alpha in sequence according to the direction and lane information based on the position of the control end in the intersection, wherein the letters represent the direction of the road, and the alpha represents the lane number information of the road;
s2, intercepting vehicle flow information of four lanes E alpha, S alpha, W alpha and N alpha at a position 100 meters away from the position based on the position of a control end in the intersection according to a real-time traffic flow information distribution map, sequentially calculating E gamma, S gamma, W gamma and N gamma, wherein gamma represents the vehicle flow information level and comprises 1, 2, copy.
S3, sending the acquired vehicle flow information grade to a junction center control end through a network;
the signal lamp timing module comprises a timing calculation unit which is sequentially connected with a plurality of groups of signal lamps at the intersection, and the timing calculation unit calculates the response time of the signal lamps according to the vehicle flow information grades of different roads and controls the plurality of groups of signal lamps in the signal lamp unit to display;
when the time distribution calculating unit calculates the time of the traffic lights of the corresponding road, the time distribution calculating unit firstly acquires the lane number information of the corresponding road, calculates the ratio of the lane number to the vehicle flow information grade, and configures the display duration of the traffic lights according to the ratio, wherein the smaller the ratio is, the longer the red light display duration is, the shorter the green light display duration is, and the specific duration statistics are as follows:
| ratio of number of lanes to vehicle traffic information level | Red light time length ratio | Green light time length ratio |
| ＞1 | 1 | 1 |
| 0.8-1 | 1 | 0.8 |
| 0.6-0.8 | 1 | 0.5 |
| 0.4-0.6 | 1 | 0.2 |
| 0.2-0.4 | 1 | 0.1 |
| 0.125-0.2 | 1 | 0.05 |
In one embodiment, the value of the number alpha of the lanes is 1, the value of the gamma corresponding to the lane is 8, the ratio of the number of the lanes to the information level of the vehicle flow is 0.125, the display time length of the green light in the signal lamp unit in the driving direction of the lane corresponding to the intersection is set to be 10 seconds, and the display time length of the red light in the next round of the red light is set to be 200 seconds;
in one embodiment, the number alpha of the lanes is 2, the gamma value corresponding to the lane is 6, the ratio of the number of the lanes to the information level of the vehicle flow is 0.2, the display time length of the green light in the signal lamp unit in the driving direction of the lane corresponding to the intersection is set to be 10 seconds, and the display time length of the red light in the next round of the red light is 100 seconds;
the signal lamp data acquisition module acquires the light-emitting time of the signal lamp unit and stores and backups the signal lamp time;
in one embodiment, the intersection central control end is further connected with a mobile terminal, the mobile terminal has the highest authority of controlling the intersection central control end to work, and when the mobile terminal starts to work, the control command receiving and sending of the signal lamp unit are completed by the mobile terminal;
on the basis, when the intersection where the central control end of the intersection is located needs to conduct traffic guidance, the highest control authority of the signal lamp unit can be obtained through the mobile terminal, and the signal lamp unit is independently guided.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a multi-functional integrated road traffic signal system, its characterized in that, including crossing central control end, high in the clouds data processing module and signal lamp unit, all through network connection between central control end, high in the clouds data processing module and the signal lamp unit in the crossing, high in the clouds data processing module includes real-time traffic flow unit, real-time map module and traffic flow analysis unit, and the signal lamp unit includes that the signal lamp is matched time module and signal lamp data acquisition module.
2. The multifunctional integrated road traffic signal system according to claim 1, characterized in that: the intersection central control end comprises a microprocessor, a positioning module and a display end, wherein the positioning module is used for acquiring position information of the intersection central control end, and the display end is used for displaying the working state of the signal lamp unit.
3. The multifunctional integrated road traffic signal system according to claim 1, characterized in that: the real-time traffic flow analysis system comprises a real-time traffic flow unit, a real-time map module and a traffic flow analysis unit, wherein the real-time traffic flow unit is used for acquiring real-time traffic flow information of roads around a central control end of an intersection, the real-time map module is road information, road direction information and road lane information around the central control end of the intersection, and the traffic flow analysis unit is used for analyzing and processing the real-time traffic flow information.
4. The multifunctional integrated road traffic signal system according to claim 3, characterized in that: the method for processing the real-time traffic flow information specifically comprises the following steps:
s1, acquiring road information existing around the position of a control end in the intersection from the data information of the real-time map module, and marking the road as E alpha, S alpha, W alpha and N alpha in sequence according to the direction and lane information based on the position of the control end in the intersection, wherein the letters represent the direction of the road, and the alpha represents the lane number information of the road;
s2, intercepting vehicle flow information of four lanes E alpha, S alpha, W alpha and N alpha at a position 100 meters away from the position based on the position of a control end in the intersection according to a real-time traffic flow information distribution map, sequentially calculating E gamma, S gamma, W gamma and N gamma, wherein gamma represents the vehicle flow information level and comprises 1, 2, 8 and N, the value of N is dynamic change, the maximum value is 8, and dynamic adjustment is performed according to the road congestion state;
and S3, sending the acquired vehicle traffic information grade to the intersection center control end through the network.
5. The multifunctional integrated road traffic signal system according to claim 4, characterized in that: the signal lamp timing module comprises a timing calculation unit which is sequentially connected with a plurality of groups of signal lamps at the intersection, and the timing calculation unit calculates the response time of the signal lamps according to the vehicle flow information grades of different roads and controls the plurality of groups of signal lamps in the signal lamp unit to display.
6. The multifunctional integrated road traffic signal system according to claim 1, characterized in that: the signal lamp data acquisition module can acquire the light-emitting time of the signal lamp unit and store and backup the signal lamp time.
7. The multifunctional integrated road traffic signal system according to claim 1, characterized in that: the intersection central control end is also connected with a mobile terminal, the mobile terminal has the highest authority for controlling the intersection central control end to work, and when the mobile terminal starts to work, the control command receiving and sending of the signal lamp unit are completed by the mobile terminal.
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| CN202010942392.9A CN111932894A (en) | 2020-09-09 | 2020-09-09 | Multifunctional integrated road traffic signal system |
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| CN202010942392.9A CN111932894A (en) | 2020-09-09 | 2020-09-09 | Multifunctional integrated road traffic signal system |
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Citations (6)
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| CN101572004A (en) * | 2008-04-30 | 2009-11-04 | 奥城同立科技开发（北京）有限公司 | System for controlling intersection traffic and leading current direction |
| CN106384520A (en) * | 2016-12-06 | 2017-02-08 | 武汉烽火众智数字技术有限责任公司 | Traffic signal light system and method capable of automatically regulating duration of traffic signal lights |
| WO2018045974A1 (en) * | 2016-09-06 | 2018-03-15 | 北京汽车集团有限公司 | Method, apparatus, and system for determining traffic light timing |
| CN108389403A (en) * | 2018-04-23 | 2018-08-10 | 白冰 | The traffic lights and speed(-)limit sign intelligent adjusting method captured based on vehicle flowrate |
| CN110111592A (en) * | 2019-06-25 | 2019-08-09 | 浪潮软件集团有限公司 | Method based on traffic signal controlling machine Dynamic Matching Optimal Signals timing scheme |
| CN212750078U (en) * | 2020-09-09 | 2021-03-19 | 安徽庐峰交通工程有限公司 | Multifunctional integrated road traffic signal system |
-
2020
- 2020-09-09 CN CN202010942392.9A patent/CN111932894A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572004A (en) * | 2008-04-30 | 2009-11-04 | 奥城同立科技开发（北京）有限公司 | System for controlling intersection traffic and leading current direction |
| WO2018045974A1 (en) * | 2016-09-06 | 2018-03-15 | 北京汽车集团有限公司 | Method, apparatus, and system for determining traffic light timing |
| CN106384520A (en) * | 2016-12-06 | 2017-02-08 | 武汉烽火众智数字技术有限责任公司 | Traffic signal light system and method capable of automatically regulating duration of traffic signal lights |
| CN108389403A (en) * | 2018-04-23 | 2018-08-10 | 白冰 | The traffic lights and speed(-)limit sign intelligent adjusting method captured based on vehicle flowrate |
| CN110111592A (en) * | 2019-06-25 | 2019-08-09 | 浪潮软件集团有限公司 | Method based on traffic signal controlling machine Dynamic Matching Optimal Signals timing scheme |
| CN212750078U (en) * | 2020-09-09 | 2021-03-19 | 安徽庐峰交通工程有限公司 | Multifunctional integrated road traffic signal system |
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