CN112150835A - Urban intelligent traffic management system - Google Patents
Urban intelligent traffic management system Download PDFInfo
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- CN112150835A CN112150835A CN202010931604.3A CN202010931604A CN112150835A CN 112150835 A CN112150835 A CN 112150835A CN 202010931604 A CN202010931604 A CN 202010931604A CN 112150835 A CN112150835 A CN 112150835A
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- traffic
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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
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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
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
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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 utility model relates to an intelligent traffic technical field, concretely relates to urban intelligent traffic management system, it only can control to the traffic lights of single intersection only to aim at traffic lights control scheme among the correlation technique to aim at solving, can not make corresponding reaction to the traffic flow, the people flow of real-time change, make the whole regulation and control effect of traffic unsatisfactory, its technical essential lies in including a plurality of traffic lights controlling means that set up in the intersection, set up the vehicle-mounted control device in the vehicle that traveles, set up warning controlling means and the traffic management center in pedestrian crossing, traffic lights controlling means, vehicle-mounted controlling means, warning controlling means all with traffic management center communication connection. The invention can accurately and reasonably allocate the traffic flow, complete the real-time adjustment of the phase sequence and time of the traffic lights and greatly optimize the waiting time of the traffic lights of the city.
Description
Technical Field
The application relates to the technical field of intelligent traffic, in particular to an urban intelligent traffic management system.
Background
With the development of economy and the acceleration of urbanization process in China, the quantity of people-by-people automobiles is continuously increased, so that traffic jam and air pollution are increasingly serious, and the problem of urban traffic jam is urgently solved. The problem of urban traffic congestion is solved by two ways, one is to expand the construction of traffic infrastructure, such as widening roads, constructing underground channels and viaducts; secondly, an intelligent traffic management system with modern management and control as contents is developed, a real-time, accurate and efficient traffic light control system is established, and the traffic capacity of the existing road is improved. The former needs a lot of capital, time and space investment, and especially it is not practical to expand the construction of traffic infrastructure in the urban central area with limited land area.
At present, the traditional traffic light control scheme is mainly to set the working time of the traffic light according to experience and manual field, and the problems existing in the mode are as follows: the traffic flow control method is not consistent with the actual traffic condition, can not make corresponding response to the traffic flow and the pedestrian flow which change in real time, and has unobvious regulation and control effect under two extreme conditions of higher or lower density of vehicles and pedestrians, so that certain directions with low traffic flow occupy green light time for a long time, and certain directions with high traffic flow occupy shorter green light time, thereby intensifying the traffic jam condition, and ensuring that the traditional traffic light control is difficult to obtain satisfactory effect.
Disclosure of Invention
The main purpose of the application is to provide an urban intelligent traffic management system, which aims to solve the problem that traffic light control schemes in the related art only can control traffic lights of single intersections, and can not make corresponding response to traffic flow and pedestrian flow which change in real time, so that the overall regulation and control effect of traffic is not ideal.
The technical purpose of the application is realized by the following technical scheme:
an urban intelligent traffic management system comprises a plurality of traffic light control devices arranged at intersections, vehicle-mounted control devices arranged in running vehicles, warning control devices arranged at crosswalk intersections and a traffic management center, wherein the traffic light control devices, the vehicle-mounted control devices and the warning control devices are all in communication connection with the traffic management center;
the traffic light control device comprises a display device, a control device connected with the display device, and a traffic flow detection device and a people flow detection device which are respectively connected with the control device;
the warning control device comprises a connecting rod located in a guardrail at the pedestrian crossing intersection, a warning piece is arranged at the top of the connecting rod, and a driving piece which enables the connecting rod to move in the vertical direction is arranged at one end of the warning piece.
Optionally, the traffic flow detection device includes a first image collector and a vehicle identifier connected to the first image collector;
the people flow detection device comprises a second image collector and a people image recognizer connected with the second image collector.
Optionally, the traffic flow detecting device further includes a pressure sensor disposed on a lane of the intersection and a calculating processor connected to the pressure sensor.
Optionally, the vehicle-mounted control device is a voice interaction module which automatically plays the waiting time of the traffic light according to the inquiry of the driver and warns violation.
Optionally, the warning member is an LED lamp.
Optionally, one of the guardrails positioned at two sides of the crosswalk intersection is provided with a laser emitter, the other one of the guardrails is provided with a laser receiver matched with the laser emitter, and the laser receiver is connected with a driving circuit of the driving part.
Optionally, the laser transmitter and the laser receiver are installed at a position 40-60cm away from the ground.
Optionally, the traffic management center stores normal working parameters and/or working life information of each component in the urban intelligent traffic management system, and judges whether the component needs to be replaced or maintained according to the normal working parameters and/or the working life information of each component, and if so, local and/or remote warning is performed.
The invention has the beneficial effects that:
1. the urban intelligent traffic management system is macroscopically regulated and controlled by a traffic management center, sets the phase sequence and time of traffic lights in real time through a traffic light control device, and performs notification and early warning on vehicles and pedestrians by means of a vehicle-mounted control device and a warning control device, so that the waiting time of urban automobile traffic lights is greatly optimized.
2. The urban intelligent traffic management system detects traffic flow information in real time through the traffic flow detection device and uploads the traffic flow information to the traffic management center, meanwhile detects the pedestrian flow information in real time through the pedestrian flow detection device and uploads the pedestrian flow information to the traffic management center, and after macro regulation and control of big data of the traffic management center, control instructions are sent to the control device to adjust the phase sequence and time of traffic lights in real time, so that reasonable allocation of partial traffic flow in directions is achieved, the waiting time of automobiles is reduced, and the passing rate is improved.
3. According to the urban intelligent traffic management system, the phase sequence and time of the traffic lights at the intersection can be adjusted in real time by the change of traffic flow and people flow, so that the road condition can be known in advance through the vehicle-mounted control device networked with the traffic management center, and the optimal traffic efficiency can be achieved.
4. According to the urban intelligent traffic management system, the driving piece is in communication connection with the traffic management center, when the traffic management center is in a green light state, the driving piece is controlled to push the connecting rod to the right upper side, so that the state of the warning piece stored in the guardrail is changed into a warning state, the warning piece is used for reminding a driver that a pedestrian is ready to cross a road at the moment, enough reaction time is reserved for the driver to make correct judgment, and the accident rate is greatly reduced.
5. According to the urban intelligent traffic management system, the laser receiver is connected with the driving piece through the circuit, so that when a pedestrian passes through the intersection provided with the laser emitter, laser is cut off, the laser receiver does not receive the laser, and a photodiode in the laser receiver cannot generate current, so that the trigger switch transmits a pulse signal to the driving piece, and the driving piece drives the connecting rod to rise.
6. The normal working parameters and/or the working life information of each part in the urban intelligent traffic management system are stored in the traffic management center, whether the parts need to be replaced or maintained is judged according to the normal working parameters and/or the working life information of each part, and if yes, local and/or remote warning is carried out.
7. The urban intelligent traffic management system combines the whole urban traffic condition into a network, effectively improves the traffic efficiency of traffic lights at each intersection through operation, and also improves the smoothness among the intersections.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic diagram of module connections of an urban intelligent traffic management system provided according to an embodiment of the application;
FIG. 2 is a schematic block diagram of an urban intelligent traffic management system according to another embodiment of the present application;
fig. 3 is a schematic structural diagram of an alarm control device in an intelligent traffic management system in an alarm state according to an embodiment of the present application;
fig. 4 is a cross-sectional view of an alarm control device in an intelligent traffic management system in a city according to an embodiment of the present application in an un-alarm state.
In the figure, 1, a traffic light control device; 11. a display device; 12. a control device; 13. a traffic flow detection device; 131. a first image collector; 132. a vehicle identifier; 133. a pressure sensor; 134. a measurement and calculation processor; 14. a human flow rate detection device; 141. a second image collector; 142. a portrait identifier; 2. An in-vehicle control device; 3. a warning control device; 31. a connecting rod; 32. a warning member; 33. a drive member; 34. A laser transmitter; 35. a laser receiver; 4. a traffic management center.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
An urban intelligent traffic management system is shown in figure 1 and comprises a plurality of traffic light control devices 1 arranged at intersections, vehicle-mounted control devices 2 arranged in running vehicles, warning control devices 3 arranged at crosswalk intersections and a traffic management center 4, wherein the traffic light control devices 1, the vehicle-mounted control devices 2 and the warning control devices 3 are all in communication connection with the traffic management center 4, so that the traffic management center 4 can conduct macroscopic regulation and control, the traffic light phase sequence and time are set in real time through the traffic light control devices 1, and notification and early warning are carried out on vehicles and pedestrians by means of the vehicle-mounted control devices 2 and the warning control devices 3, so that the waiting time of urban automobile traffic lights is greatly optimized.
Specifically, as shown in fig. 1, the traffic light control device 1 includes a display device 11, a control device 12 connected to the display device 11, and a traffic flow detection device 13 and a human flow detection device 14 respectively connected to the control device 12. The display device 11 is used for displaying the phase sequence and time of the traffic lights, the traffic flow detection device 13 is used for detecting traffic flow information in real time and uploading the traffic flow information to the traffic management center 4, the people flow detection device 14 is used for detecting people flow information in real time and uploading the people flow information to the traffic management center 4, after big data macro regulation and control of the traffic management center 4 are carried out, a control instruction is sent to the control device 12, the phase sequence and time of the traffic lights are adjusted in real time, reasonable allocation of part of traffic flow in the direction is achieved, the waiting time of automobiles is reduced, and the passing rate is improved. In this embodiment of the present invention, the traffic flow detecting device 13 includes a first image collector 131 and a vehicle identifier 132 connected to the first image collector 131; the human flow rate detecting device 14 includes a second image collector 141 and a human image recognizer 142 connected to the second image collector 141. The first image collector 131 and the second image collector 141 can be selected as high-definition cameras, the high-definition cameras are arranged in all directions of the intersection and used for recording and storing vehicle information and pedestrian information in all directions, the vehicle identifier 132 is used for identifying the number of vehicles and the vehicle information (vehicle types, license plate numbers and the like) from all directions, the pedestrian identifier 142 is used for identifying the number of pedestrians and the pedestrian information from all directions, and meanwhile, the vehicle information and the pedestrian information can be used for carrying out public screen broadcast warning on illegal vehicles or pedestrians. In other embodiments of the present invention, referring to fig. 2, the traffic flow detecting device 13 includes a pressure sensor 133 disposed on a lane of the intersection and a meter processor 134 connected to the pressure sensor 133. The pressure sensor 133 is disposed on a lane within a certain distance range of the intersection, and can detect the pressure value of the vehicle on the corresponding lane, and transmit the pressure value to the measurement and calculation processor 134 to calculate the number of the vehicles on the corresponding lane, thereby accurately and reasonably allocating the traffic flow, and completing the real-time adjustment of the phase sequence and time of the traffic lights.
As shown in fig. 1, the vehicle-mounted control device 2 is a voice interaction module that automatically plays the traffic light waiting time according to the inquiry of the driver and performs violation warning. Since the phase sequence and time of the traffic lights at the intersection can be adjusted in real time by the changes of traffic flow and pedestrian flow, the vehicle-mounted control device 2 networked with the traffic management center 4 can know the road condition in advance so as to achieve the best traffic efficiency.
As shown in fig. 1, 3 and 4, the warning control device 3 includes a connecting rod 31 located in the guardrail at the pedestrian crossing, a warning member 32 is disposed on the top of the connecting rod 31, and a driving member 33 for vertically displacing the connecting rod 31 is disposed at one end of the connecting rod 31 opposite to the warning member 32. With driving piece 33 and 4 communication connection of traffic control center, during green light, control driving piece 33 passes connecting rod 31 directly over, makes warning piece 32 become the warning state from the state of hiding in the guardrail, utilizes warning piece 32 to remind the driver that there is the pedestrian to prepare the road this moment, reserves sufficient reaction time for it and makes the correct judgement, and then greatly reduced accident rate. Meanwhile, in this embodiment of the present invention, the telescopic cylinder is used as the driving member 33, which has the characteristics of simple structure, reliable operation and stable movement. Specifically, the warning member 32 is an LED lamp, and in other embodiments, may be a voice prompt.
As shown in fig. 3 and 4, one of the guardrails on both sides of the crosswalk is provided with a laser emitter 34, the other is provided with a laser receiver 35 matched with the laser emitter 34, and the laser receiver 35 is connected with a driving circuit of the warning member 32. The laser receiver 35 is connected with the driving part 33 through a circuit, so that when a pedestrian passes through the intersection provided with the laser emitter 34 at a red light, laser is cut off, the laser receiver 35 does not receive the laser, a photodiode (not shown) in the laser receiver cannot generate current, the trigger switch transmits a pulse signal to the driving part 33, and the driving part 33 drives the connecting rod 31 to rise. In addition, in order to make the connecting rod 31 return to the accommodating space of the guardrail, the driving part 33 is connected with a clock control chip, and the driving part 33 returns to move after 30s by using the singlechip programming, thereby automatically returning to the original state.
As shown in fig. 3, the laser transmitter 34 and the laser receiver 35 are installed at a position 40-60cm away from the ground, so that on one hand, information false alarm caused by the rolling of sundries can be avoided, and on the other hand, all groups from children to the old are basically covered in the interval.
As shown in fig. 1, the traffic management center 4 stores normal operating parameters and/or operating life information of each component in the urban intelligent traffic management system, and determines whether the component needs to be replaced or maintained according to the normal operating parameters and/or the operating life information of each component, and if so, performs local and/or remote warning.
The working principle of the urban intelligent traffic management system is as follows: the traffic flow information is detected in real time by the traffic flow detection device 13 and is uploaded to the traffic management center 4, meanwhile, the traffic flow information is detected in real time by the traffic flow detection device 14 and is uploaded to the traffic management center 4, then, after the big data macro regulation and control of the traffic management center 4, a control command is sent to the control device 12, the phase sequence and the time of traffic lights are adjusted in real time, the reasonable allocation of partial traffic flow in the direction is achieved, the waiting time of an automobile is reduced, and the passing rate is improved, in addition, the vehicle-mounted control device 2 which is connected with the traffic management center 4 in a network can know the road condition in advance so as to achieve the best passing efficiency, the driving piece 33 is in communication connection with the traffic management center 4, when the traffic light is green, the driving piece 33 is controlled to push the connecting rod 31 to the right above, the warning piece 32 is changed from the state of being hidden in a guardrail into the warning state, the warning piece 32 is used for reminding, enough reaction time is reserved for the system to make correct judgment, and the accident rate is greatly reduced.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. An urban intelligent traffic management system is characterized by comprising a plurality of traffic light control devices (1) arranged at intersections, vehicle-mounted control devices (2) arranged in running vehicles, warning control devices (3) arranged at crosswalk intersections and a traffic management center (4), wherein the traffic light control devices (1), the vehicle-mounted control devices (2) and the warning control devices (3) are all in communication connection with the traffic management center (4);
the traffic light control device (1) comprises a display device (11), a control device (12) connected with the display device (11), and a traffic flow detection device (13) and a people flow detection device (14) which are respectively connected with the control device (12);
warning controlling means (3) is including connecting rod (31) that are located pedestrian's crosswalk intersection department guardrail, connecting rod (31) top is equipped with warning piece (32), connecting rod (31) are relative warning piece (32) one end is equipped with driving piece (33) that make connecting rod (31) shift in vertical direction.
2. A city intelligent traffic management system according to claim 1, wherein the traffic flow detecting device (13) comprises a first image collector (131) and a vehicle identifier (132) connected with the first image collector (131);
the people flow rate detection device (14) comprises a second image collector (141) and a people image recognizer (142) connected with the second image collector (141).
3. An intelligent traffic management system for cities as defined in claim 2, wherein the traffic flow detecting means (13) further comprises a pressure sensor (133) disposed on the lane of the intersection and a calculation processor (134) connected to the pressure sensor (133).
4. The urban intelligent traffic management system according to claim 1, wherein the vehicle-mounted control device (2) is a voice interaction module that automatically plays traffic light waiting time and warns against violations according to the inquiry of a driver.
5. An intelligent traffic management system according to claim 1, wherein the warning member (32) is an LED lamp.
6. An intelligent traffic management system for cities as defined in claim 5, wherein said guardrails positioned at both sides of crosswalk intersection are provided with laser transmitters (34) on one side and laser receivers (35) matched with said laser transmitters (34) on the other side, and said laser receivers (35) are connected with a driving circuit of said driving member (33).
7. An intelligent traffic management system for cities as defined in claim 6, wherein the laser transmitter (34) and the laser receiver (35) are installed at a position 40-60cm from the ground.
8. The urban intelligent traffic management system according to claim 1, wherein the traffic management center (4) stores therein normal operating parameters and/or operating life information of each component in the urban intelligent traffic management system, and determines whether the component needs to be replaced or maintained according to the normal operating parameters and/or operating life information of each component, and if so, performs local and/or remote warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010931604.3A CN112150835A (en) | 2020-09-07 | 2020-09-07 | Urban intelligent traffic management system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010931604.3A CN112150835A (en) | 2020-09-07 | 2020-09-07 | Urban intelligent traffic management system |
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| CN112150835A true CN112150835A (en) | 2020-12-29 |
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| CN202010931604.3A Pending CN112150835A (en) | 2020-09-07 | 2020-09-07 | Urban intelligent traffic management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837541A (en) * | 2020-12-31 | 2021-05-25 | 遵义师范学院 | Intelligent traffic vehicle flow management method based on improved SSD |
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| CN207718634U (en) * | 2018-01-12 | 2018-08-10 | 郑州大学 | A kind of intelligent traffic control system based on virtual traffic lights |
| CN208088038U (en) * | 2018-02-02 | 2018-11-13 | 南通城欣市政工程有限公司 | A kind of security warning protection walkway system |
| CN109410603A (en) * | 2018-12-18 | 2019-03-01 | 吉林化工学院 | A kind of urban transportation intelligence control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101009048A (en) * | 2007-02-01 | 2007-08-01 | 上海交通大学 | Auxiliary electronic control apparatus for assistant managing traffic |
| CN207587182U (en) * | 2017-12-01 | 2018-07-06 | 周先进 | Controlling system of traffic light and intelligent transportation system |
| CN207718634U (en) * | 2018-01-12 | 2018-08-10 | 郑州大学 | A kind of intelligent traffic control system based on virtual traffic lights |
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| CN112837541A (en) * | 2020-12-31 | 2021-05-25 | 遵义师范学院 | Intelligent traffic vehicle flow management method based on improved SSD |
| CN112837541B (en) * | 2020-12-31 | 2022-04-29 | 遵义师范学院 | Intelligent traffic vehicle flow management method based on improved SSD |
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