CN111127918B - Signal lamp control device for preventing red light running behavior near intersection - Google Patents
Signal lamp control device for preventing red light running behavior near intersection Download PDFInfo
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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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/608—Fluid screens
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
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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
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Abstract
The invention relates to a signal lamp control device for preventing red light running behaviors near an intersection, which comprises an intelligent solar panel, a virtual curtain wall projection device and a curtain wall induction and violation detection device, wherein the virtual curtain wall projection device and the curtain wall induction and violation detection device are arranged on a projection column. The invention is suitable for signalized intersections with large traffic flow and pedestrian flow, the dynamic curtain wall with color prompt is projected by the projection device, the traditional lamp post type or column type traffic lights are replaced, and a traffic manager can adjust and set parameters of the position, the width and the height of the curtain wall according to the specific conditions of the intersection. Due to the adoption of the air projection and interaction technology, when some offenders run the red light or have traffic accidents, emergency treatment measures such as voice and character warning or red flashing prompt and the like can be made by adjusting the preset picture.
Description
Technical Field
The invention relates to a control device, in particular to a signal prompt and red light running warning device for preventing red light running behaviors near an intersection, and belongs to the technical field of traffic signal control and projection.
Background
Urban road intersections are important nodes of urban traffic, and a large number of pedestrians, non-motor vehicles and motor vehicles need to pass through the intersections in the traveling process. The intersection is a high-incidence point of urban traffic accidents, and the proportion of red light running at the intersection is particularly prominent in accident reasons, so that research on red light running prevention is necessary.
At present, although voice prompt, face tracking and recognition and an automatic red light running recording system are arranged on the basis of common traffic lights at urban intersections in China, the urban intersections are few in number and lack of targeted unified management, and the urban intersections mainly have the following problems: (1) the passing rule of the non-motor vehicles at the intersection is not clear, and the non-motor vehicles are consistent with motor vehicles which run straight in the same direction by default, so that the passing space and time are insufficient, and the sight distance is poor; (2) the large vehicle on the motor vehicle lane easily shields the sight of the rear small vehicle, so that the rear small vehicle cannot learn the condition of the signal lamp to make judgment in time; (3) the pedestrian violation phenomenon is serious; (4) the intersection traffic organization design mainly takes the passing requirements of motor vehicles, and the passing requirements of non-motor vehicles and pedestrians are not fully considered.
Therefore, besides the research on the capturing and monitoring method when the red light running action occurs and the punishment measures after the red light running action occurs, the method for avoiding the red light running action from the source by adopting a proper method has important significance in reducing the accident loss caused by the red light running action.
Disclosure of Invention
The invention provides a signal light control device for preventing red light running near an intersection aiming at the problems in the prior art, the device is suitable for motor vehicles, non-motor vehicles and pedestrians and is used for solving the problems of the traditional traffic lights that the traffic rule of the non-motor vehicles at the intersection is not clear, the large vehicles block the sight of the small vehicles, the pedestrians run the red light from the public, the vehicles are the basis, and the people are the basis, and the like.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a prevention is signal lamp controlling means of red light action of rushing across near intersection, controlling means includes intelligent solar panel, virtual curtain projection arrangement, curtain response and illegal detection device set up on intelligent solar panel.
As an improvement of the invention, the intelligent solar panel device comprises a base, an electric box (comprising a photovoltaic controller and a storage battery), a support, a connecting plate, a support plate, a solar panel and protective glass; the solar projection device comprises a projection column and a base, wherein the projection column is connected with the base, the lower end of the projection column is fixedly connected with an electric box, a photovoltaic controller is arranged inside the electric box, the top of the projection column is fixedly connected with a support, the top of the support is fixedly connected with a connecting plate, two sides of the connecting plate are fixedly connected with supporting plates, the upper surfaces of the supporting plates are provided with solar panels, the solar panels are electrically connected with the photovoltaic controller, protective glass is arranged at the upper ends of the solar panels, a storage battery is arranged inside the electric box, the photovoltaic controller and the projection column are both electrically connected with the storage battery, and the device is mainly used for providing electric energy and maintaining normal operation of equipment.
As an improvement of the invention, the virtual curtain wall projection device comprises an air fog curtain stereo imaging system, a projection column and a regulator system, wherein the air fog curtain stereo imaging system and the regulator system are arranged on the projection column; the air fog curtain three-dimensional imaging system comprises an air screen system and a projector, wherein the regulator system comprises a distance regulator, an angle regulator and a height regulator, the air screen system is used for manufacturing a fog wall formed by water vapor, the projector projects a preset picture on the screen by adopting a rear projection technology, and the regulator system is responsible for presetting parameters related to the length, the height and the specific position of a curtain wall required by the picture.
As an improvement of the invention, the curtain wall sensing and violation detecting device comprises a high-definition camera and a control box, the control box comprises a curtain wall state input unit, a control unit, a red light running behavior evidence obtaining unit, a storage unit and a voice image warning unit, the high-definition camera is arranged above the side of the projection column and used for capturing the running tracks of traffic and pedestrian flows at the intersection, the control box is arranged at the upper part of the projection column, and the curtain wall state input unit is used for obtaining state parameters (including screen length, height and position parameters provided by a regulator system, color and duration provided by a phase scheme and prompt information provided by a violation detecting device under special conditions) of a preset picture and inputting the information into the control unit; the control unit is used for calling a high-definition camera near the red curtain wall to shoot a monitoring area until the red display is finished; the red light running behavior evidence obtaining unit is used for processing videos, analyzing and detecting dynamic vehicles or pedestrians, extracting motion tracks of the dynamic vehicles or pedestrians, judging whether illegal behaviors occur or not according to the tracks (namely, behavior detection is carried out), and if the illegal behaviors occur, forming illegal evidence obtaining information and storing the illegal evidence obtaining information into the storage unit (namely, acquiring information of illegal persons, illegal time, illegal places and illegal times); the storage unit is used for storing illegal information; the voice image warning unit is used for generating voice warning information according to the information in the storage unit, broadcasting the voice warning information, and transmitting the generated warning characters and images to the projector for projection warning.
Compared with the prior art, the invention has the advantages that 1) on the basis of the original timing scheme, the signal lamp on the lamp post or the upright post is changed into the dynamic image curtain wall with traffic information color projected by the projection post, and when the red light is originally displayed, the driver or the pedestrian can see the red curtain wall on the road; when the lamp is green, a dynamic image mainly comprising green is presented; 2) the signal prompter-curtain wall is set on the same side of the advancing direction of the driver (for motor vehicles and non-motor vehicles, the signal prompter is present at the stop line of the current driving lane; for pedestrians at both ends of the sidewalk). The signal prompter is a colored curtain wall, and the area size of the signal prompter is determined by the width and the height of key parameters; the width is determined according to the number of lanes and the lane width related to each phase in a specific intersection timing scheme, and the pedestrian phase is determined according to the width of a sidewalk; the height is determined according to the running proportion of the big cars, if the traffic volume of the big cars at a certain entrance lane is large and the sight of the small cars behind is often blocked, the height of the curtain wall at the entrance lane needs to be adjusted to be large; the position of the curtain wall is determined by the regulator system; 3) the parameter width is controlled by a distance and angle regulator; the height of the parameter is controlled by a height regulator, the position of the curtain wall is determined by a timing scheme and a regulator system, the former determines the position of an entrance way (including a specific lane) and a sidewalk of the curtain wall, and the latter determines the two ends of the curtain wall (namely the start and stop points of projection); the regulator system for controlling the position of the curtain wall is arranged in the projection column, and the projection column is arranged at four corners of the intersection, such as a pedestrian safety island or a green belt for separating a motor vehicle and a non-motor vehicle; the curtain wall can form physical road barriers, enhance the traffic indication and warning functions of the signal wall and reduce the red light running phenomenon of drivers and pedestrians; in addition, the preset picture of the curtain wall can be adjusted at any time, has the functions of text prompt and image prompt, can capture and display relevant information in time aiming at the illegal phenomenon, and is matched with voice prompt to give a warning to illegal drivers.
Drawings
FIG. 1 is a block diagram of a curtain wall type signal control device;
FIG. 2 is an overview of the intersection curtain wall signaling control;
FIG. 3 is a view of the curtain wall in the inlet duct in the position shown;
FIG. 4 is a representation of the position of the curtain wall on the sidewalk;
FIG. 5 is a view showing the installation position of the projection column at the intersection;
FIG. 6 is the responsible object at the face of projection column A, B;
FIG. 7 is an operational schematic of the distance adjuster;
FIG. 8 is a schematic view a of the operation of the angle adjuster;
FIG. 9 is a schematic view b of the operation of the angle adjuster;
FIG. 10 is an intersection curtain wall display under phase 1 control;
FIG. 11 is an intersection curtain wall display under phase 2 control;
FIG. 12 is an intersection curtain wall display under phase 3 control;
fig. 13 is an intersection curtain wall display under phase 4 control.
In the figure:
the solar photovoltaic power generation device comprises a base 2, an electric box 3 (comprising a photovoltaic controller and a storage battery), a support 6, a connecting plate 7, a support plate 8, a solar cell panel 9 and protective glass 10; air fog curtain stereo imaging system 11, projection column 1 and regulator system 14
An air screen system 12 and a projector 13, said regulator system 14 comprising a distance regulator 15, an angle regulator 16 and a height regulator 17
A high-definition camera 18 and a control box 19, wherein the control box 19 comprises a curtain wall state input unit 20, a control unit 21, a red light running behavior evidence obtaining unit 22, a storage unit 23 and a voice image warning unit 24,
the specific implementation mode is as follows:
for the purpose of enhancing an understanding of the present invention, the present embodiment will be described in detail below with reference to the accompanying drawings.
Example 1: referring to fig. 1, a signal lamp control device for preventing red light running near an intersection comprises an intelligent solar panel, a virtual curtain wall projection device, a curtain wall induction and violation detection device, wherein the virtual curtain wall projection device, the curtain wall induction and violation detection device are arranged on the intelligent solar panel, and the intelligent solar panel device comprises a base 2, an electric box 3 (comprising a photovoltaic controller and a storage battery), a support 6, a connecting plate 7, a support plate 8, a solar panel 9 and protective glass 10; the projection column 1 is connected with a base 2, the lower end of the projection column is fixedly connected with an electric box 3, a photovoltaic controller 4 is arranged in the electric box 3, the top of the projection column is fixedly connected with a bracket 6, the top of the bracket is fixedly connected with a connecting plate 7, support plates 8 are fixedly connected with the bottoms of the two sides of the connecting plate, a solar cell panel 9 is arranged on the upper surfaces of the support plates, the battery board is electrically connected with the photovoltaic controller, the upper end of the battery board is provided with a protective glass 10, the electric box 3 is internally provided with a storage battery 5, the photovoltaic controller and the projection column are electrically connected with the storage battery, the device is mainly used for providing electric energy and maintaining the normal operation of the equipment, the virtual curtain wall projection device comprises an air fog curtain stereo imaging system 11, a projection column 1 and a regulator system 14, the air fog curtain three-dimensional imaging system 11 and the regulator system 14 are arranged on the projection column 1; the air fog curtain three-dimensional imaging system 11 comprises an air screen system 12 and a projector 13, the regulator system 14 comprises a distance regulator 15, an angle regulator 16 and a height regulator 17, wherein the air screen system is used for manufacturing a fog wall formed by water vapor, the projector projects a preset picture on the screen by adopting a rear projection technology, the regulator system is responsible for presetting parameters related to the length, the height and the specific position of the curtain wall required by the picture, the curtain wall sensing and violation detecting device comprises a high-definition camera 18 and a control box 19, the control box 19 comprises a curtain wall state input unit 20, a control unit 21, a red light running behavior evidence obtaining unit 22, a storage unit 23 and a voice image warning unit 24, the high-definition camera 18 is arranged above the side of a projection column for capturing the running track of traffic flow and pedestrian flow at the intersection, the control box 19 is arranged on the upper part of the projection column 1, the curtain wall state input unit 20 is used for acquiring state parameters (including screen length, height and position parameters provided by the regulator system, color and duration provided by the phase scheme and prompt information provided by the violation detection device under special conditions) of a preset picture and inputting the information into the control unit; the control unit 21 is used for calling a high-definition camera near the red curtain wall to shoot a monitoring area until the red display is finished; the red light running behavior evidence obtaining unit 22 is used for processing videos, analyzing and detecting dynamic vehicles or pedestrians, extracting motion tracks of the dynamic vehicles or pedestrians, judging whether illegal behaviors occur or not according to the tracks (namely, performing behavior detection), and if the illegal behaviors occur, forming illegal evidence obtaining information and storing the illegal evidence obtaining information into the storage unit (namely, acquiring information of illegal persons, illegal time, illegal places and illegal times); the storage unit 23 is used for storing violation information; the voice image warning unit 24 is used for generating voice warning information according to the information in the storage unit, broadcasting the voice warning information, and transmitting the generated warning characters and images to the projector for projection warning.
Example 2: referring to fig. 1 to 9, a control method of a signal lamp control device for preventing a red light running behavior near an intersection, the method comprises the following steps:
step 1: determining a geometric physical model and a signal control scheme of the intersection;
step 2: installing an equipment device at a proper position of the intersection;
2.1) placing projection columns containing fog screen machines and regulator systems at four corners of an intersection, wherein the channelized intersection can be installed on a pedestrian safety island, each projection column has two working faces, wherein the face A (red) controls the adjacent motor vehicle entrance lane and non-motor vehicle lane, and the face B (green) controls the adjacent vertical sidewalk;
2.2) in order to ensure the normal work of the signal wall, the curtain wall induction and violation detection device, the intelligent solar panel and the high-definition camera are installed together, each unit related to signal control is installed inside the projection column, and the solar panel and the camera are installed at the top of the projection column;
and step 3: setting the projection position, width, height and display duration of the curtain wall;
3.1) general projection of curtain wall position on corresponding drivewayThe stop line and the start-stop line of the sidewalk are controlled by parameters obtained by a regulator system, and the distance x between a projection column and two ends of a curtain wall is generally used1And a distance x2Determining (method one for motor vehicle lane), or the angle alpha from the projection column to the two ends of the curtain wall1And angle alpha2And the vertical distance x of the projection column from the curtain wall are jointly determined (method two is directed to the non-motor vehicle lane and the sidewalk).
3.2) curtain wall width wiThe lane number and the corresponding lane width occupied by controlling left-turning, straight-going and right-going vehicles in the timing scheme are determined; the A working surface of the projection column realizes the width setting of the motor vehicle lane and non-motor vehicle lane curtain walls through a distance regulator and an angle regulator, the projection color is set through a signal controller, wherein the A working surface of the projection column determines a parameter x through the distance regulator1And x2Or by determining the parameter alpha by means of an angle adjuster1And alpha2Adding a vertical distance x determined by a distance regulator to obtain the width of the curtain wall, (when the same working surface of the same projection column switches and controls a motor vehicle and a non-motor vehicle, the solar panel provides power to rotate the projector, and the rotation is realized through angle parameters); the width setting of the sidewalk curtain wall is realized by the B working surface of the projection column through a distance adjuster and an angle adjuster, the projection color is also set through a signal controller, and the parameter alpha is determined by the B working surface of the projection column through the angle adjuster1And alpha2And determining the vertical distance x through the distance regulator, and determining the width of the curtain wall by combining the three.
3.3) height h of the curtain walliThe unified setting is based on the vehicle height of the large vehicle and the large vehicle proportion of the entrance way, so that the signal prompt of watching the small vehicle is not influenced by the large vehicle, and the number of the watching vehicles is h1For non-motor vehicles, h2For pedestrians, h3The height parameter setting is finished by the height adjuster;
partial parameter calculation method of the regulator system:
curtain wall width of roadway:
wi＝x2-x1
wherein:
x1the distance from the surface A of the projection column to the closer end of the curtain wall on the roadway is the starting point position of the projection curtain wall;
x2the distance from the surface A of the projection column to the far end of the curtain wall on the roadway is the end point position of the projection curtain wall;
curtain wall width of sidewalk:
wp＝3
wherein:
3, checking the specifications to know that the width of the sidewalk is generally 3-5 meters according to specific intersections;
curtain wall height of roadway:
wherein:
hi-the basic height of the curtain wall;
curtain wall height of sidewalk:
H＝hi
3.4) the display time of the curtain wall is determined according to the timing scheme of the intersection;
4) a projection scheme;
the air projection and interaction technology which is one of holographic projection technologies is adopted, the working principle is that an air screen system is utilized to manufacture a fog wall formed by water vapor, a rear projection technology is adopted to project an image into the invisible air fog wall, and a curtain wall with strong layers and stereoscopic impression is formed by unbalanced molecular vibration of air and the fog wall;
the projector is responsible for projecting the preset picture to the correct position and is realized by inputting related parameters.
5) All power is provided by the solar panel.
And 4, step 4: acquiring the parameters according to actual conditions and inputting the parameters into a curtain wall state input unit;
and 5: the signaling device begins to operate.
The application example is as follows: with reference to figures 1-13 of the drawings,
the intersection geometric design parameters in this example are as follows:
and (3) canalization condition:
the timing scheme is as follows:
| phase position | Green light time (second) |
| First phase | Turning left from north to south: 32 |
| Second phase | The south and north move straight: 32 |
| Third phase position | East-west left turn: 32 |
| Fourth phase position | The east-west goes straight: 32 |
Section parameters:
width of sidewalk: 3 m; width of each lane of the motor vehicle: 3.5 m; width of non-motor vehicle lane: 3 m; the width of the green belt: 2 m; width of red line of north-south section: 31 m; east west section red line width: 20 m;
the working process of the device of the invention is as follows:
1. mounting device
The components of each part are installed one by one according to requirements and are arranged at proper positions of an intersection, generally the intersection between a motor vehicle stop line and a vertical sidewalk. The method comprises the following specific steps:
1) the solar projection column is characterized in that the projection column 1 is connected with the base 2, the lower end of the projection column is fixedly connected with an electric box 3, a photovoltaic controller 4 is arranged inside the electric box, a top fixedly connected with support 6 of the projection column, a top fixedly connected with connecting plate 7 of the support, two side bottom fixedly connected with supporting plates 8 of the connecting plate, a solar cell panel 9 is arranged on the upper surface of each supporting plate, the solar cell panel is electrically connected with the photovoltaic controller, protective glass 10 is arranged at the upper end of each solar cell panel, a storage battery 5 is arranged inside the electric box, the photovoltaic controller and the projection column are both electrically connected with the storage battery, and the device is mainly used for providing electric energy and maintaining normal operation of equipment.
2) An air fog curtain stereo imaging system 11 (comprising an air screen system 12 and a projector 13) and a regulator system 14 (comprising a distance regulator 15, an angle regulator 16 and a height regulator 17) are arranged in the middle of the projection column. The air screen system is used for manufacturing a fog wall formed by water vapor, the projector projects a preset picture on the screen by adopting a rear projection technology, and the regulator system is responsible for presetting parameters related to the length, the height and the specific position of the curtain wall required by the picture.
3) A high-definition camera 18 is arranged above the side of the projection column and used for capturing the driving tracks of traffic flow and pedestrian flow at the intersection, a control box 19 is arranged on the upper part of the projection column, and a curtain wall state input unit 20 is arranged in the high-definition camera and used for acquiring state parameters (including screen length, height and position parameters provided by a regulator system, color and time provided by a phase scheme and prompt information provided by a violation detection device under special conditions) of a preset picture and inputting the information into the control unit; the control unit 21 is used for calling a high-definition camera near the red curtain wall to shoot a monitoring area until the red display is finished; the red light running behavior evidence obtaining unit 22 is used for processing videos, analyzing and detecting dynamic vehicles or pedestrians, extracting motion tracks of the dynamic vehicles or pedestrians, judging whether illegal behaviors occur or not according to the tracks (namely, performing behavior detection), and if the illegal behaviors occur, forming illegal evidence obtaining information and storing the illegal evidence obtaining information into the storage unit (namely, acquiring information of illegal persons, illegal time, illegal places and illegal times); the storage unit 23 is used for storing violation information; the voice image warning unit 24 is configured to generate voice warning information according to the information in the storage medium, broadcast the voice warning information, and transmit the generated warning text and image to the projector for projection warning.
2. Inputting parameters
1) Parameters of projection position and curtain wall width
Numbering the projection columns, wherein the number is 1-2-3-4 in sequence from the east entry lane in the anticlockwise direction, and the A surface of each projection column is responsible for adjacent motor vehicle lanes and non-motor vehicle lanes; the B surface is responsible for vertical sidewalks, and the A, B surfaces are respectively at a distance of l from the edge of the non-motor vehicle lane1And l2。
(first phase is used as an example to explain the meaning of variables and subscripts)
Description of the parameters:
2-4-A: the A working surfaces of the projection columns 2 and 4 are shown;
x11s: the distance between the A surface of the projection column and two ends of a curtain wall on the roadway is represented; the first 1 represents a first phase; second 1 represents a first set of parameters at a first phase; s represents the end of the curtain wall close to the A surface of the projection column, namely the starting position of the projection curtain wall; t represents the end of the curtain wall far away from the A surface of the projection column, namely the terminal position of the projection curtain wall;
l1: is the vertical distance from the A surface of the projection column to the non-motor vehicle lane;
w11: is directed to the width of the vehicle lane and non-vehicle lane curtain walls; the first 1 represents a first phase; second 1 represents a first set of parameters at a first phase;
α11: representing the included angle between the central point of the B surface of the projection column and the connecting line of the two ends of the curtain wall on the sidewalk and the horizontal line; the first 1 represents the curtain wall close to the B surface of the projection column (2 represents the curtain wall far away from the B surface of the projection column); first, theTwo 1 represent the included angle between the right end of the curtain wall and the horizontal line (2 represent the included angle between the left end of the curtain wall and the horizontal line);
y11a: the vertical distance from the B surface of the projection column to a curtain wall on a sidewalk is represented; the first 1 represents a first phase; second 1 represents a first set of parameters at a first phase; a represents that the B surface of the projection column reaches a closer curtain wall; b represents that the B surface of the projection column reaches a far curtain wall;
l2: is the vertical distance from the B surface of the projection column to the non-motor vehicle lane;
wp: representing the width of the curtain wall on the sidewalk.
A motor vehicle: the south-north straight line displays green curtain walls, and the other directions (south-north left + east-west straight left) display red curtain walls;
a non-motor vehicle: the green curtain wall displays a south-north straight line, and the other directions (east-west) display red curtain walls;
pedestrian: the south and north display green curtain walls, and the other directions (east and west) display red curtain walls.
A motor vehicle: the east-west left turn displays a green curtain wall, and the other directions (east-west straight + south-north straight left) display a red curtain wall;
a non-motor vehicle: the green curtain wall displays east-west left turning, and the other directions (north-south) display red curtain walls;
pedestrian: the east-west, south-north and full display red curtain wall.
A motor vehicle: the east-west straight line displays a green curtain wall, and the other directions (east-west left turning + south-north straight left) display a red curtain wall;
a non-motor vehicle: the green curtain wall displays east-west straight lines, and the other directions (north and south) display red curtain walls;
pedestrian: the east and west display green curtain walls, and the other directions (north and south) display red curtain walls.
2) Parameters of curtain wall height
Motor vehicle lane h 13 × (1+0.2) (assuming a cart factor of 0.2 here);
non-motor vehicle lane h2＝2；
Sidewalk h3＝2.5。
3) Parameters of projection color and duration
The colors and the display time lengths of the curtain walls on the lanes and the sidewalks under each phase can be obtained according to the timing scheme, and the table is shown.
The parameters of the above parts are input in the curtain wall state input unit and received by the regulator system and the control unit.
3. The curtain wall type signal control device operates normally and mainly controls the camera to shoot by the control unit
4. The red light running behavior evidence obtaining unit detects illegal behaviors, and if illegal behaviors are detected, relevant information is collected and stored in the storage unit
5. The voice image warning unit generates warning characters and images according to the information in the storage unit and transmits the warning characters and the images to the projector for presetting picture warning and voice broadcasting.
It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and all equivalent modifications and substitutions based on the above-mentioned technical solutions are within the scope of the present invention as defined in the claims.
Claims (5)
1. A control method of a signal lamp for preventing red light running behavior near an intersection is characterized by comprising the following steps:
step 1: determining a geometric physical model and a signal control scheme of the intersection;
step 2: installing an equipment device at a proper position of the intersection;
2.1) placing projection columns comprising an air curtain three-dimensional imaging system and a regulator system at four corners of an intersection, wherein the channelized intersection can be installed on a pedestrian safety island, each projection column is provided with two working faces, wherein the face A controls an adjacent motor vehicle entrance way and a non-motor vehicle lane, and the face B controls an adjacent sidewalk in the vertical direction;
2.2) in order to ensure the normal work of the signal wall, the curtain wall induction and violation detection device, the intelligent solar panel and the high-definition camera are installed together, each unit related to signal control is installed inside the projection column, and the solar panel and the camera are installed at the top of the projection column;
and step 3: setting the projection position, width, height and display duration of the curtain wall;
3.1) the position of the curtain wall is generally projected on the stop line of the corresponding lane and the start-stop line of the sidewalk, and is controlled by parameters obtained by a regulator system, and the distance x between a projection column and two ends of the curtain wall is generally used1And a distance x2Determining (method one for motorway and non-motorway), or the angle alpha from both ends of the curtain wall by the projection column1And angle alpha2And the vertical distance x between the projection column and the curtain wall are jointly determined (the second method is directed to the sidewalk);
3.2) curtain wall width wiAccording to the timing scheme, the left turn, the straight movement and the time shift are controlled,The number of lanes occupied by the right-driving vehicle and the corresponding lane width are determined; the A working surface of the projection column realizes the width setting of the motor vehicle lane and non-motor vehicle lane curtain walls through a distance regulator and an angle regulator, the projection color is set through a signal controller, wherein the A working surface of the projection column determines a parameter x through the distance regulator1And x2Or by determining the parameter alpha by means of an angle adjuster1And alpha2Adding a vertical distance x determined by a distance regulator to obtain the width of the curtain wall, (when the same working surface of the same projection column switches and controls a motor vehicle and a non-motor vehicle, the solar panel provides power to rotate the projector, and the rotation is realized through angle parameters); the width setting of the sidewalk curtain wall is realized by the B working surface of the projection column through a distance adjuster and an angle adjuster, the projection color is also set through a signal controller, and the parameter alpha is determined by the B working surface of the projection column through the angle adjuster1And alpha2Determining the vertical distance x through the distance regulator, and determining the width of the curtain wall by combining the three;
3.3) height h of the curtain walliThe unified setting is based on the vehicle height of the large vehicle and the large vehicle proportion of the entrance way, so that the signal prompt of watching the small vehicle is not influenced by the large vehicle, and the number of the watching vehicles is h1For non-motor vehicles, h2For pedestrians, h3The height parameter setting is finished by the height adjuster;
partial parameter calculation method of the regulator system:
curtain wall width of roadway:
wi＝x2-x1；
wherein:
x1the distance from the surface A of the projection column to the closer end of the curtain wall on the roadway is the starting point position of the projection curtain wall;
x2the distance from the surface A of the projection column to the far end of the curtain wall on the roadway is the end point position of the projection curtain wall;
curtain wall width of sidewalk:
wp＝3
wherein:
3, checking the specifications to know that the width of the sidewalk is generally 3-5 meters according to specific intersections;
curtain wall height of roadway:
wherein:
hi-the basic height of the curtain wall;
curtain wall height of sidewalk:
H＝hi
3.4) the display time of the curtain wall is determined according to the timing scheme of the intersection;
4) a projection scheme;
the air projection and interaction technology which is one of holographic projection technologies is adopted, the working principle is that an air screen system is utilized to manufacture a fog wall formed by water vapor, a rear projection technology is adopted to project an image into the invisible air fog wall, and a curtain wall with strong layers and stereoscopic impression is formed by unbalanced molecular vibration of air and the fog wall;
the projector is responsible for projecting a preset picture to a correct position and is realized by inputting related parameters;
5) all power is provided by the solar panel;
and 4, step 4: acquiring the parameters according to actual conditions and inputting the parameters into a curtain wall state input unit;
and 5: the signaling device begins to operate.
2. The signal lamp control device for realizing the control method according to claim 1, wherein the control device comprises an intelligent solar panel, a virtual curtain wall projection device, a curtain wall induction and violation detection device, and the virtual curtain wall projection device, the curtain wall induction and violation detection device are arranged on a projection column.
3. The signal lamp control device according to claim 2, wherein the intelligent solar panel device comprises a base, an electrical box (containing a photovoltaic controller and a storage battery), a bracket, a connecting plate, a support plate, a solar panel and a protective glass;
the inside of electronic box is equipped with photovoltaic controller, the top fixedly connected with support of projection post, the top fixedly connected with connecting plate of support, the both sides bottom fixedly connected with extension board of connecting plate, the upper surface of extension board is equipped with solar cell panel, and panel and photovoltaic controller electric connection, the upper end of panel is equipped with protective glass, the inside of electronic box is equipped with the battery.
4. The signal lamp control apparatus according to claim 2,
the virtual curtain wall projection device comprises an air fog curtain three-dimensional imaging system, a projection column and a regulator system, wherein the air fog curtain three-dimensional imaging system and the regulator system are arranged on the projection column, the projection column is connected with a base, and the lower end of the projection column is fixedly connected with an electric box;
the air fog curtain three-dimensional imaging system comprises an air screen system and a projector,
the regulator system comprises a distance regulator, an angle regulator and a height regulator,
the air screen system is used for manufacturing a fog wall formed by water vapor, the projector projects a preset picture on the curtain wall by adopting a rear projection technology, and the regulator system is responsible for presetting parameters related to the length, the height and the specific position of the curtain wall required by the picture.
5. The signal lamp control device according to claim 2, wherein the curtain wall sensing and violation detecting device comprises a high-definition camera and a control box, the control box comprises a curtain wall state input unit, a control unit, a red light running behavior evidence obtaining unit, a storage unit and a voice image warning unit, the high-definition camera is arranged above the side of the projection column and used for capturing the driving tracks of traffic and people at the intersection, the control box is arranged on the upper part of the projection column, and the curtain wall state input unit is used for obtaining state parameters of a preset picture and inputting the state parameters into the control unit; the control unit is used for calling a high-definition camera near the red curtain wall to shoot a monitoring area until the red display is finished; the red light running behavior evidence obtaining unit is used for processing videos, analyzing and detecting dynamic vehicles or pedestrians, extracting motion tracks of the dynamic vehicles or pedestrians, judging whether illegal behaviors occur or not according to the tracks (namely, behavior detection is carried out), and if the illegal behaviors occur, forming illegal evidence obtaining information and storing the illegal evidence obtaining information into the storage unit (namely, acquiring information of illegal persons, illegal time, illegal places and illegal times); the storage unit is used for storing illegal information; the voice image warning unit is used for generating voice warning information according to the information in the storage medium, broadcasting the voice warning information, and transmitting the generated warning characters and images to the projector for projection warning.
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