JP2004192556A - Traffic system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a traffic system giving a vehicle's driver a psychological effect of suppressing a traveling speed. <P>SOLUTION: This traffic system is provided with a series of light emitting parts 11, 11, 11, etc. disposed at prescribed intervals apart along a carriageway 10 laid in a tunnel to an exit 14 of the tunnel, electric bulletin boards 13 disposed in the circumferential edge parts of the carriageway 10, car speed sensors 12L, 12R, etc., and a control center 1. A light emission control part 2 is provided with a function of controlling the lighting of light emission parts 11, 11, etc. disposed on the carriageway 10 to be delayed in order. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a traffic system that regulates the traveling speed of a vehicle.
[0002]
[Prior art]
As a means of regulating the speed of traveling vehicles on the road, a traffic system by law enforcement agencies such as police has been developed and operated. For example, there is a traffic system which controls or alleviates the flow of vehicles by controlling traffic lights arranged at predetermined intervals on a road. Also, using a vehicle speed sensor that detects the speed of the traveling vehicle on the road and an imaging camera linked to this vehicle speed sensor, and when the vehicle speed sensor detects a vehicle running at an excessive speed, the vehicle is imaged with an imaging camera from the front, There is a system that performs processing such as transferring a captured image to a control center. Simply informing the driver of the vehicle of the existence of this type of transportation system can give the driver a psychological effect of suppressing the traveling speed.
[0003]
[Problems to be solved by the invention]
However, it is difficult for a conventional traffic system to cope with a case where the driver of the vehicle drives the vehicle beyond the legal speed unconsciously. Also, for example, in order to avoid congestion on a road several kilometers away from the road, even if the driver is requested to suppress the speed on an electronic bulletin board or the like, the effect of suppressing the driving speed to the driver is surely obtained. It is difficult to expect.
[0004]
In view of the above situation, an object of the present invention is to provide a traffic system capable of providing a driver of a vehicle with a psychological effect of suppressing the traveling speed.
[0005]
[Means for Solving the Problems]
In order to solve the above problem, the invention according to claim 1 controls a series of light emitting units arranged at predetermined intervals along a roadway, and controls timing of lighting and extinguishing such that the series of light emitting units are sequentially turned on with delay. And a light emission control unit.
[0006]
The invention according to claim 2 is the traffic system according to claim 1, further comprising a vehicle detection unit that detects a traveling speed of a vehicle traveling on the roadway, wherein the light emission control unit detects the traveling speed by the vehicle detection unit. When the running speed of the vehicle exceeds a predetermined upper limit value of the regulated speed, a function of controlling the series of light-emitting units to be sequentially turned on in a direction opposite to the traveling direction of the vehicle is turned on. It has.
[0007]
The invention according to claim 3 is the transportation system according to claim 1 or 2, wherein the light emission control section has a function of controlling the lighting speed of the series of light emission sections to increase stepwise. is there.
[0008]
The invention according to claim 4 is the transportation system according to any one of claims 1 to 3, wherein the series of light-emitting units have a plurality of light-emitting colors, and the light-emitting control unit controls the light-emitting colors. It has an instruction function.
[0009]
The invention according to claim 5 is the transportation system according to any one of claims 1 to 4, wherein the light emitting unit is configured by a light emitting diode (LED).
[0010]
The invention according to claim 6 is the traffic system according to any one of claims 1 to 5, wherein information indicating that the series of light emitting units are turned on for a vehicle traveling on the roadway is provided. The display device further includes a display device for displaying, and a display control unit for controlling the content of the information displayed on the display device.
[0011]
The invention according to claim 7 is the transportation system according to claim 6, wherein the display device is an electronic bulletin board arranged near the road.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is a diagram showing a schematic configuration of a traffic system according to an embodiment of the present invention. This traffic system is arranged along a roadway 10 laid in a tunnel to a series of light emitting units 11, 11, 11,... , An electronic bulletin board 13, vehicle speed sensors 12L, 12R,... The control center 1 is provided at a position far from the road 10.
[0013]
In the present embodiment, the series of light-emitting units 11, 11,... Are arranged at predetermined intervals along the center line of the roadway 10, and partition the left lane 10L and the right lane 10R forming two lanes. It is. In the present invention, the series of light emitting units 11, 11,... Do not necessarily need to be arranged along the center line thereof, but it is sufficient if they are arranged along the roadway 10 at a position visible to the driver of the traveling vehicle. It is. For example, the series of light emitting units 11, 11,... May be arranged along the left and right edges of the roadway 10.
[0014]
The control center 1 includes a light emission control unit 2, a vehicle detection unit 3, and a display control unit 4. The vehicle detection unit 3 detects the vehicle speed of a traveling vehicle (not shown) on the road 10 based on the detection information 15L, 15R,... Transmitted from the vehicle speed sensors 12L, 12R,. It is supplied to the light emission control unit 2.
[0015]
Further, the light emission control unit 2 has a function of controlling the light emission units 11, 11,... Although not explicitly shown in the figure, a driving device that controls turning on and off of the light emitting units 11, 11, 11,... Based on the control signal transmitted from the light emission control unit 2 is provided in the tunnel. The light emission control unit 2 can individually control the timing of turning on and off the series of light emission units 11, 11,... Using the vehicle speed data input from the vehicle detection unit 3.
[0016]
Further, the display control section 4 generates display information 16 indicating the content to be displayed on the electric bulletin board 13 based on the information input from the light emission control section 2, and supplies the display information 16 to the remote electric bulletin board 13 for display. it can.
[0017]
In addition, the light emitting unit 11 disposed along the roadway 10 is configured by an LED (light emitting diode). Each of the light emitting units 11 includes an LED group having a plurality of emission colors of R (red), G (green), and B (blue), and a diffusion plate that diffuses emitted light from the LED group and emits the light to the outside. Things. When the light emitting unit 11 that emits white light is used, a fluorescent substance that absorbs light emitted from the LED group and emits white light may be incorporated in the light emitting unit 11. The display control unit 4 can turn on the light emitting unit 11 in a plurality of colors according to the situation by controlling the LED group of each light emitting color of the light emitting unit 11.
[0018]
The operation of the transportation system having the above configuration will be described in detail below. As shown in FIG. 2, it is assumed that the vehicle 20 is traveling upward in the left lane 10L of the road 10 at a speed v. The head interval between the light emitting units 11 is L. FIG. 3 is a schematic diagram showing a light-on state or a light-off state of a series of light emitting units 11, 11,... Shown in FIG. FIG. 3 shows a state in which the plurality of light emitting units 11, 11,... Turn on or off along the time axis (t). Emitting portion 11 ₀ of the lighting state, 11 _1, ..., 11 m _(m is an integer of seven or more) is displayed in black, light-emitting portion of the off state is displayed only in white outline.
[0019]
First, the traveling vehicle 20 is detected by the vehicle speed sensor 12L shown in FIG. The detection information 15L detected by the vehicle speed sensor 12L is transferred to the vehicle detection unit 3 of the control center 1. The vehicle detector 3 measures the traveling speed v of the vehicle 20 from the detection information 15L, calculates an average speed <v> of the traveling speed v, and supplies the average speed <v> to the light emission controller 2. When the average speed <v> of the vehicle 20 exceeds the upper limit <v> _u of the regulation speed (legal speed), the light emission control unit 2 turns on a series of light emission units 11, 11,. -Turn off control will be executed. Instead of such a case, the light emission control unit 2 may perform the lighting / lighting out control of the light emitting units 11, 11,... From the time when the vehicle 20 is detected regardless of the traveling speed of the vehicle 20.
[0020]
As shown in FIG. 3, at time t = 0 (zero) when the vehicle detection unit 3 starts detecting the vehicle 20, the light emission control unit 2 of the control center 1 controls the series of light emission units 11, 11,. Of these, three light emitting units 11 ₀ , 11 ₀ , 11 ₀ located in front of the vehicle 20 are turned on, and the other light emitting units 11,... Are turned off. In the present embodiment, the on / off control of the light emitting units 11, 11,... Is performed by a set of three light emitting units. However, the present invention is not limited to this, and a set of P (P is an integer of 4 or more) light emitting units 11, 11,. .. May be turned on / off. Then, at a point in time after the delay period Δt (t = Δt), the light emission control unit 2 turns on the light emitting units 11 ₁ , 11 ₁ , 11 ₁ that are shifted by one behind the vehicle 20 and turns on the other light emitting units 11 , ... are turned off. Further, at a point in time after the delay period Δt (t = 2Δt), the light emitting units 11 ₂ , 11 ₂ , 11 _{2 which} are further shifted by one behind the vehicle 20 are turned on, and the other light emitting units 11,. Let me do. Thus, each time the delay period Δt elapses, a set of three light emitting units 11,... Is turned on one by one, and finally, the light emitting units 11 _m , 11 _m , 11 _{m to} be turned on are turned on. .. At the time when the vehicle 20 moves to the rear of the vehicle 20 (t = m × Δt), all the light emitting units 11, 11,...
[0021]
For example, the delay period Δt can be set according to the following equation (1).
[0022]
Δt = L / Δv (1)
In the above equation (1), the excess speed Δv is represented by the difference <v> − <v> _u between the average speed <v> of the traveling vehicle 20 and the legal speed upper limit <v> _u . According to the equation (1), the delay period Δt is reduced in inverse proportion to the magnitude of the excess speed Δv, the lighting speed is increased, and the pseudo speed perceived by the driver of the vehicle 20 is increased.
[0023]
The above equation (1) is an expression when the head interval L of the light emitting units 11 and the speeds <v> and <v> _u have the same unit system. Here, when the unit of the head interval L is meters (m) and the units of the speeds <v> and <v> _u are the speed per hour (km / h), the following equation (2) is used instead of the above equation (1). Adopted.
[0024]
Δt = 3.6 × L / Δv (2)
According to the above equation (2), when the head interval L between the light emitting units 11 and 11 is 25 cm and the excess speed Δv is 10 km / h, the delay period Δt is 0.09 seconds. In such a case, the light emission control unit 2 controls turning on and off of the series of light emitting units 11, 11,... In units of 0.09 seconds.
[0025]
In this way, according to the traffic system, by sequentially lighting the series of light emitting units 11, 11,... In a delayed manner, the driver of the traveling vehicle 20 responds to the delay period Δt in which the light emitting units are delayed. The psychological effect of running at a pseudo speed different from the actual running speed can be provided. When the vehicle 20 travels at an excessive speed, the light emission control unit 2 controls the series of light emission units 11, 11,. I do. Therefore, the driver feels the pseudo speed running at a speed higher than the actual running speed, and can prompt the driver of the vehicle 20 to suppress the running speed.
[0026]
Note that, in the present embodiment, the light emission control unit 2 controls the series of light emission units 11, 11,... So as to be turned on with a delay in the direction opposite to the traveling direction of the vehicle 20. It is also possible to control so that the lighting is delayed in the traveling direction of. In such a case, the driver of the vehicle 20 has an illusion that the speed is lower than the actual traveling speed. .. Is delayed in the traveling direction of the vehicle 20, for example, when the vehicle 20 traveling at an extremely low speed is likely to cause traffic congestion.
[0027]
By the way, if the series of light emitting units 11, 11,... Are turned on without any notice to the driver of the traveling vehicle 20, it may be assumed that the driver of the vehicle 20 is unexpectedly hit. Therefore, from the viewpoint of ensuring safe driving, control may be performed so that the lighting speed at which the series of light emitting units 11, 11,. Here, the “lighting speed” means the movement amount of the light emitting units 11, 11, 11 to be lit per delay period Δt. In the example illustrated in FIG. 2, the moving amount of the light emitting unit 11 that is turned on per delay period Δt is the distance L between the heads of the continuous light emitting units 11 and 11.
[0028]
FIG. 4 is a schematic diagram showing a lighting state or a light-off state of a series of light emitting units 11, 11,... When the lighting speed is changed stepwise. FIG. 4 shows a state in which a series of light emitting units 11, 11, 11,... Turn on or off along the time axis (t), as in the case of FIG. As described above, the detection information 15L detected by the vehicle speed sensor 12L is transferred to the vehicle detection unit 3 of the control center 1. The vehicle detection unit 3 calculates an average speed <v> of the traveling speed v of the vehicle 20 and supplies the average speed <v> to the light emission control unit 2. When the average speed <v> of the vehicle 20 exceeds the upper limit value <v> _u of the regulation speed (legal speed), the light emission control unit 2 performs a control of turning on / off the series of light emission units 11, 11,. Do.
[0029]
At the time point t = 0 (zero) at which the vehicle detection unit 3 starts detecting the vehicle 20, the light emission control unit 2 of the control center 1 sets the light emission control unit 11 out of the series of light emission units 11, 11,. Control is performed so that the first three light emitting units 11 ₀ , 11 ₀ , 11 _{0 positioned} are turned on, and the other light emitting units 11,... Are turned off. Thereafter, during time t = 0 to 2Δt, each time the delay period Δt elapses, the light emission control unit 2 shifts the set of three light emitting units 11 ₁ , 11 ₁ in the direction opposite to the traveling direction of the vehicle 20. Control is performed so that 11 ₁ , 11 ₁ and 11 ₂ , 11 ₂ , 11 ₂ are turned on, and the other light emitting units 11 are turned off.
[0030]
During the next time period t = 2Δt to 5Δt, each time the delay period Δt elapses, the light emission control unit 2 sets the _three light emitting units 11 ₃ , 3 shifted by two in the reverse direction of the traveling direction of the vehicle 20. Control is performed so that 11 ₃ , 11 ₃ , 11 ₄ , 11 ₄ , 11 ₄ and 11 ₅ , 11 ₅ , 11 ₅ are turned on, and the other light emitting units 11 are turned off. During the subsequent time t = 5Δt to 8Δt, each time the delay period Δt elapses, the light emission control unit 2 sets the three light emission units 11 ₆ , 11 shifted by three in the reverse direction of the traveling direction of the vehicle 20. _6, 11 _6, ... it is lit, the other light emitting unit 11, controls to turn off the ....
[0031]
As described above, by changing the lighting speed of the light emitting units 11, 11, 11 stepwise until the light emitting units 11, 11, 11 are moved to the rear of the traveling vehicle 20, the driver of the traveling vehicle 20 can be operated. It becomes possible to change the pseudo speed of the illusion step by step. Therefore, the driver does not suddenly receive the pseudo speed and can ensure safe driving.
[0032]
Further, since each of the light emitting units 11 has a plurality of light emitting colors, when the series of light emitting units 11, 11,. is there. By changing the emission color according to the environment in which the vehicle 20 travels, the psychological effect given to the driver of the vehicle 20 can be adjusted.
[0033]
Further, among the light emitting units 11 to be turned on, the light emitting color of some light emitting units 11 may be controlled to be different from the light emitting color of the other light emitting units 11. In the example shown in FIG. 3, the head light emission of a set of light emitting units 11 _m , 11 _m , 11 _m (m = 0, 1,...) That emit light at each time point of t = 0, Δt, 2Δt,. The emission color of the portion 11 _{m and} the emission colors of the rear light emitting portions 11 _m and 11 _m can be different from each other. This makes it possible to call attention to the driver and adjust the psychological effect given to the driver.
[0034]
In addition, as shown in FIG. 1, the light emitting unit 11 and the light emitting unit 11 are provided to the driver of the traveling vehicle 20 through an electric bulletin board 13 disposed near the roadway 10 in order to draw attention to the driver. .. Can be displayed to be delayed. Specifically, the display control unit 4 of the control center 1 generates the display information 16 indicating the display contents of the electric bulletin board 13 and supplies the display information 16 to the electric bulletin board 13. In the present embodiment, the electronic bulletin board 13 is adopted, but the present invention is not limited to this, and any display device can be adopted.
[0035]
【The invention's effect】
As described above, according to the traffic system according to claim 1 of the present invention, a series of light emitting units arranged at predetermined intervals along the roadway are sequentially turned on with a delay, so that the driver of the vehicle traveling on the roadway can be provided. On the other hand, it is possible to provide a psychological effect of running at a pseudo speed different from the actual running speed in accordance with a time interval (delay period) in which a series of light emitting units are turned on in a delayed manner.
[0036]
According to the second aspect, the driver of the vehicle traveling at a speed exceeding the regulation speed has an illusion of a pseudo speed higher than the actual traveling speed, so that the driver can be encouraged to suppress the traveling speed. .
[0037]
According to the third aspect, by suddenly changing the lighting speed of the series of light-emitting units, it is possible to prevent a false speed from being unexpectedly given to the driver, and to ensure safe driving.
[0038]
According to the fourth aspect, by illuminating the series of light-emitting portions while changing their emission colors, it is possible to call attention to the driver of the vehicle and adjust the above-described psychological effect.
[0039]
According to the fifth aspect, the transportation system according to the present invention can be stably operated for a long time by using the LED having a long product life.
[0040]
According to the sixth and seventh aspects, it is possible to inform the driver of the vehicle that the series of light-emitting units are being lighted up with a delay to alert the driver and to ensure safe driving.
[Brief description of the drawings]
FIG. 1 is a diagram showing a schematic configuration of a traffic system according to an embodiment of the present invention.
FIG. 2 is a schematic diagram showing a traveling vehicle on a roadway.
FIG. 3 is a schematic diagram illustrating an example of a lighting state or a turning-off state of a series of light emitting units illustrated in FIG. 2;
FIG. 4 is a schematic diagram showing another example of a lighting state or a turning off state of a series of light emitting units shown in FIG. 2;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Control center 2 Light emission control part 3 Vehicle detection part 4 Display control part 10 Roadway 10L, 10R lane 11 Light emission part 12L, 12R Vehicle speed sensor 13 Electric bulletin board

Claims (7)

A series of light emitting units arranged at predetermined intervals along the roadway,
A light emission control unit that controls the timing of lighting and extinguishing so that the series of light emitting units are sequentially turned on with delay,
A transportation system configured with. The traffic system according to claim 1, further comprising a vehicle detection unit that detects a traveling speed of a vehicle traveling on the roadway,
The light emission control unit causes the series of light emission units to move in a direction opposite to the traveling direction of the vehicle when the traveling speed of the vehicle detected by the vehicle detection unit exceeds a predetermined upper limit value of the regulation speed. Having a function of controlling the lighting so as to be sequentially delayed;
Transportation system. 3. The traffic system according to claim 1, wherein the light emission control unit has a function of controlling the lighting speed of the series of light emission units to increase stepwise. 4. The traffic system according to any one of claims 1 to 3, wherein the series of light emitting units have a plurality of emission colors, and the emission control unit has a function of designating the emission colors. . The traffic system according to any one of claims 1 to 4, wherein the light emitting unit is configured by a light emitting diode (LED). The traffic system according to any one of claims 1 to 5, wherein the display device displays information indicating that the series of light emitting units are turned on for a vehicle traveling on the roadway,
A display control unit that controls the content of the information to be displayed on the display device;
A transportation system further comprising: 7. The traffic system according to claim 6, wherein the display device is an electronic bulletin board disposed near the road.

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