JP2000003496A - Traffic accident preventing equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a traffic accident preventing equipment capable of checking whether a vehicle is traveling on a road connected to an intersection or not from all roads connected to the intersection so as to previously prevent the generation of a traffic accident and allowed to be inexpensively arranged. SOLUTION: A red flash lamp 10R and an yellow flash lamp 10Y are arranged on the center of an intersection, speed sensors 20 are respectively arranged on roads 1 connected to the intersection and each speed sensor 20 detects the traveling speed of a vehicle traveling on the road 1, and when the detected speed exceeds a prescribed speed, generates a detection signal to a controller C. When a detection signal is not transmitted from any of the speed sensors 20, the controller C turns off both the lamps 10Y, 10R, and when a detection signal is transmitted from only one of the speed sensors 20, turns on the yellow flash lamp 10Y and turns off the red flash lamp 10R. When detection signals are transmitted from two or more speed sensors 20, the controller C turns on both the lamps 10Y, 10R.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a traffic accident prevention facility.

[0002]

2. Description of the Related Art In order to prevent traffic accidents, traffic lights are provided at intersections, and citizens are obliged to protect the traffic lights.

[0003]

However, vehicles such as automobiles are indispensable in modern society.
On the other hand, vehicles ignoring the traffic light and rushing to the intersection are not endless. Therefore, equipment capable of preventing traffic accidents is desired. Another problem is that if a vehicle traveling on one road leading to an intersection makes it difficult for another road to be seen by a house or the like, and it is not possible to confirm whether the vehicle is traveling on the road, it is extremely dangerous. Furthermore, in order to reduce the number of traffic accidents, installing a new traffic light at an intersection where no traffic light is installed has a problem that high installation costs are required.

In view of such circumstances, the present invention makes it possible to check whether or not a vehicle is traveling on a road leading to an intersection from all roads leading to the intersection, thereby preventing a traffic accident from occurring. It is an object of the present invention to provide an equipment for preventing traffic accidents that can be installed at low cost.

[0005]

According to a first aspect of the present invention, there is provided a traffic accident prevention facility comprising: a blinking light provided at an intersection; and a traveling speed of a vehicle traveling on the road, which is provided on a road leading to the intersection. When the detected speed exceeds a predetermined speed, the speed sensor transmits a detection signal, and the controller turns on the blinking light when the detection signal is received from the speed sensor. In the traffic accident prevention equipment according to claim 2, in the invention according to claim 1, the flashing light includes a red flashing light and a yellow flashing light, and the controller does not transmit a detection signal from a speed sensor to the controller. In this case, the yellow blinking light and the red blinking light are both turned off, and when a detection signal is transmitted from only one speed sensor to the controller, the yellow blinking light is turned on, and the red blinking light is turned on. Is turned off, and when a detection signal is transmitted from two or more speed sensors to the controller, both the yellow flashing light and the red flashing light are turned on. According to a third aspect of the present invention, in the invention according to the second aspect, even when a detection signal is transmitted from the two or more speed sensors to the controller, the detection signal includes a pair of positions sandwiching an intersection. If the detection signals are transmitted only from the two speed sensors installed on the road,
The yellow blinking light is turned on, and the red blinking light is turned off. The traffic accident prevention equipment of claim 4 is
4. The invention according to claim 1, wherein a release sensor is provided near the intersection on a road leading to the intersection, and when the release sensor detects that the vehicle passes, the release sensor is provided on the road. The transmission of the detection signal of the speed sensor is canceled. Claim 5
The traffic accident prevention equipment according to claim 2, 3 or 4, is provided at the intersection, and transmits radio waves only when both the red flashing light and the yellow flashing light are on. Machine and inside the vehicle,
When the radio wave transmitted from the radio wave transmitter is received, the danger alarm device notifies the driver of danger.

[0006]

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view of the traffic accident prevention equipment of the present embodiment. In the figure, reference numerals 1U, 1D, 1
L and 1R each indicate a road leading to an intersection. The traffic accident prevention equipment according to the present embodiment includes a blinking light 10 provided at an intersection, speed sensors 20U, 20D, 20L, and 20R.
, Release sensors 21U, 21D, 21L, 21R, and a controller C (not shown). Code 30U, 30D
, 30L, and 30R are roads 1U, 1D, 1
The traffic lights provided in L and 1R are shown. Below,
Roads 1U, 1D, 1L, and 1R may be collectively referred to as road 1. The speed sensors 20U, 20D, 20L, and 20R may be collectively referred to as the speed sensor 20. Release sensor 21U, 21D
, 21L and 21R may be collectively referred to as a release sensor 21.

The number of intersections to which the traffic accident prevention equipment of this embodiment can be applied is not limited to four, but may be three, five or more. . That is, the traffic accident prevention equipment of the present embodiment can be applied not only to four-way intersections but also to three-way intersections and five-way intersections or more. Furthermore, the traffic lights 30U, 30D, 30L, and 30
Regardless of the presence or absence of R, traffic lights 30U, 30D, 30L, and
The traffic accident prevention equipment of the present embodiment can be applied to an intersection where no 30R is provided.

First, the flashing lamp 10 will be described. FIG. 2 is an explanatory diagram of the operation of the blinking light 10. As shown in FIG. 1, the flashing lamp 10 is composed of a red flashing lamp 10R and a yellow flashing lamp 10Y. The blinking of the red flashing light 10R and the yellow flashing light 10Y is controlled by a controller C (not shown), and the red flashing light 10R and the yellow flashing light 10Y are turned off and on independently of each other. More specifically, the blinking light 10 is controlled by the controller C by the code (00) in FIG.
The state is one of the three states (01) and (11). FIG. 2 (00) shows a state where both the red flashing light 10R and the yellow flashing light 10Y are turned off. FIG. 2 (01) shows a state where the red flashing light 10R is turned off and the yellow flashing light 10Y is turned on. FIG. 2 (1
In 1), both the red flashing light 10R and the yellow flashing light 10Y are lit.

Next, the speed sensor 20 will be described. As shown in FIG. 1 again, the front, rear, left and right roads 1 leading to the intersection
Each of U, 1D, 1L, and 1R is provided with speed sensors 20U, 20D, 20L, and 20R at a fixed distance from the intersection. Each of the speed sensors 20U, 20D, 20L, 20R detects the traveling speed of a vehicle traveling on the road 1U, 1D, 1L, 1R, and when the detected speed exceeds a predetermined speed, sends a detection signal to the controller C. What to send. Note that the predetermined speed of the speed sensor 20 may be determined according to the traffic volume at the intersection and the like.

Next, the release sensor 21 will be described. Each of the roads 1U, 1D, 1L, 1R on the front, rear, left and right leading to the intersection is provided with release sensors 21U, 21D,
21L and 21R are provided. Release sensors 21U, 21D,
21L and 21R are the roads 1U, 1D, 1L, 1
Vehicles running on R are release sensors 21U, 21D, 21L, 21
R, it detects that the road 1U, 1D, 1
Speed sensors 20U, 20D, 20L, 20R corresponding to L, 1R
Is canceled.

Next, the controller C will be described. FIG.
3 is an input / output configuration diagram of the controller C. FIG. As shown in the figure, the input signal to the controller C is the speed sensor
These are detection signals transmitted from 20U, 20D, 20L, 20R and release signals transmitted from release sensors 21U, 21D, 21L, 21R. Then, according to the output signal of the controller C,
The red flashing light 10R and the yellow flashing light 10Y can be turned on or off independently. The controller C controls the blinking of the red blinking lamp 10R and the blinking yellow lamp 10Y of the blinking lamp 10 as follows.

FIG. 4 is a flowchart of the controller C. As shown in the figure, first, one of the speed sensors
It is determined whether there is a detection signal to the controller C from 20U, 20D, 20L, 20R (A1). If there is no detection signal, both the red flashing lamp 10R and the yellow flashing lamp 10Y are turned off (B1). This is the blinking state in FIG. Any of the speed sensors 20U, 20D, 20
From L and 20R until the controller C has a detection signal,
The loop between process A1 and process B1 is continued.

In the process A1, when there is a detection signal from any of the speed sensors 20U, 20D, 20L, 20R to the controller C, the input signal is a detection signal transmitted from only one speed sensor 20. It is determined whether or not (A2). If the input signal is a detection signal transmitted from only one speed sensor 20, the red flashing light 10R
With only the yellow blinking light 10Y blinking while keeping the lights off (B
2). This is the blinking state in FIG. Then, when the blinking state of FIG. 2 (01) continues and the predetermined period T2 has elapsed, one of the speed sensors 20U, 20
It is determined from D, 20L, and 20R whether a detection signal is present in the controller C (A1).

In the process C2, if the blinking state of FIG. 2 (01) continues and does not exceed the predetermined period T2, it is determined in the process D2. That is, it is determined whether or not the detection signal of the speed sensor 20 has been released based on the release signal from any of the release sensors 21U, 21D, 21L, 21R (D2). Means red flashing light 10R and yellow flashing light 10Y
Are turned off (B1). In the process D2, if the detection signal of the speed sensor 20 is not released, it is determined again whether or not the input signal is the detection signal transmitted from only the speed sensor 20 (A2).

In the process A2, if the controller C receives two or more detection signals from any of the speed sensors 20U, 20D, 20L, and 20R, the input signal is limited to only the two speed sensors 20 at the position sandwiching the intersection. (A3), and in that case, only the yellow blinking light 10Y blinks while the red blinking light 10R remains off (B2).

In the process A3, when the input signal is two or more detection signals to the controller C from any of the speed sensors 20U, 20D, 20L, 20R, the input signal is the two signals at the position sandwiching the intersection. If it is not a detection signal from only one speed sensor 20, both the red flashing light 10R and the yellow flashing light 10Y are turned on (B3). Then, when the blinking state of the blinking light 10 continues and the certain period T3 has elapsed, one of the speed sensors 20U and 20D is again activated.
, 20L, 20R determine whether the controller C has a detection signal (A1). In process C3,
If the blinking state of the blinking lamp 10 has not continued for the predetermined period T3, it is determined in the process D3. That is, it is determined whether or not the detection signal of the speed sensor 20 has been released based on the release signal from any of the release sensors 21U, 21D, 21L, 21R (D3). Is determined again in the process A1, and if the detection signal of the speed sensor 20 is not released, it is determined in the process A3. The above determination is repeated many times by the controller C, and the red flashing light 10R and the yellow flashing light 10Y are controlled.
It should be noted that the fixed period T2 and the fixed period T3 may be determined according to the traffic volume at the intersection and the like.

Next, the operation and effect of the traffic accident prevention equipment of this embodiment will be described. <Table 1> indicates that the blinking light 10 is
The roads 1U, 1D, 1L,
The running pattern of the vehicle on 1R is shown. <Table 2> and <Table 3> show running patterns of vehicles on the roads 1U, 1D, 1L, and 1R such that the blinking light 10 becomes as shown in FIG. <Table 4> indicates that the blinking light 10 is shown in FIG.
The traveling patterns of the vehicles on the roads 1U, 1D, 1L, and 1R are as follows. In the table, roads 1U and 1
D described in D, 1L, and 1R means that there is no vehicle traveling at a predetermined speed, for example, 15 [km / h] or more on the road, and ○ indicates that there is a vehicle traveling at a predetermined speed or more. means. In the table, X described in the red flashing light 10R or the yellow flashing light 10Y means that the light is turned off, and ○ means that it is turned on.

[0018]<Table 1> Road 1U: × Road 1D: × Road 1L: × Road 1R: × Red flashing light 10R: × Flashing yellow light 10Y: ×  As shown in Table 1, any of the roads 1U, 1D, 1
When there is no vehicle running at a speed higher than the specified speed in L and 1R
Is transmitted from the speed sensor 20 to the controller C.
Since there is no detection signal, controller C
Turn off both the extinguishing light 10R and the yellow blinking light 10Y.
Vehicles run on any of the roads 1U, 1D, 1L and 1R
When the vehicle is not running, or when the vehicle is running,
If the vehicle is traveling without exceeding the predetermined speed,
If you step on the rake you can stop immediately, so the risk is low
is there.

[0019]<Table 2> Road 1U: ○ × × × Road 1D: × ○ × × Road 1L: × × ○ × Road 1R: × × × ○ Red flashing light 10R: × × × × Flashing yellow light 10Y: ○ ○ ○ ○  As shown in Table 2, any one of roads 1U, 1D, 1
When there is a vehicle running at a predetermined speed or more in L and 1R
Is detected by the controller C from only one speed sensor 20
Since the signal is transmitted, the controller C
Turn on the yellow flashing light 10Y while keeping the flashing light 10R off.
You. Therefore, the vehicle travels on roads 1U, 1D, 1L, and 1R.
All vehicles can be informed of the danger. Rice cake
Not only vehicles, but also pedestrians
Wear.

[0020]<Table 3> Road 1U: ○ × Road 1D: ○ × Road 1L: × ○ Road 1R: × ○ Red flashing light 10R: × × Flashing yellow light 10Y: ○ ○  As shown in Table 3, roads 1U, 1D, 1L, and 1R
Drive on a road 1 of two or more of them at a predetermined speed or higher
Even if there is a vehicle, the running pattern shown in Table 3
In the case of an open
Turn on the yellow blinking light 10Y with 10R off. <Table
3> In the case of the traveling pattern,
The force signal is output from the two speed sensors 20 at the position sandwiching the intersection.
This is the only detection signal. Car rushing to the intersection from the front
Since the vehicle is visible, it is not necessary to turn on the red flashing light 10R.
It is. Conversely, turn off the red flashing light 10R
By making the road 1 difficult to see,
There is a vehicle that travels at a predetermined speed or more
Of the red flashing light 10R in the driving pattern of <Table 4>
It can be emphasized, especially if you are in danger.
It has the effect of being able to inform divers and pedestrians
You.

[0021]<Table 4> Road 1U: ○ ○ × × ○ ○ ○ × ○ Road 1D: × × ○ ○ ○ ○ × ○ ○ Road 1L: ○ × ○ × ○ × ○ ○ ○ Road 1R: × ○ × ○ × ○ ○ ○ ○ Red flashing light 10R: ○ ○ ○ ○ ○ ○ ○ ○ ○ Flashing yellow light 10Y: ○ ○ ○ ○ ○ ○ ○ ○ ○   As shown in Table 4, roads 1U, 1D, 1L, and 1R
A car traveling at a predetermined speed on any two or more roads 1
Excludes the driving patterns in Table 3 if there are vehicles
In the case of a running pattern, two or more speed sensors 20
Since the detection signal is transmitted to the flashing light 10 from the
A red flashing light 10R and a yellow flashing light 10Y
Both are turned on. Therefore, roads 1U, 1D, 1
The driver and pedestrian of all vehicles traveling on L and R
On the intersecting road 1 or on the invisible road 1,
Driving at a certain speed or higher toward the intersection
We can inform you of ruggedness.

The amount of vehicles heading for the intersection increases, and road 1
When the traveling pattern of the vehicle traveling in U, 1D, 1L, and 1R makes a state transition from <Table 1> to <Table 2> or <Table 3>, the unlit yellow blinking lamp 10Y is turned on. Then, in a certain period T2, the state of FIG. 2 (01) is maintained. When the traveling pattern of the vehicle traveling on the roads 1U, 1D, 1L, and 1R changes from <Table 1> to <Table 4>, the red flashing lights 10R, which are all off, are turned off.
And the yellow blinking light 10Y are both turned on. And
In the certain period T3, the state of FIG. 2 (11) is maintained. When the traveling pattern of the vehicle traveling on the roads 1U, 1D, 1L, and 1R changes from <Table 2> or <Table 3> to <Table 4>, the extinguished red flashing light 10R is turned on. . In this case, since the yellow blinking light 10Y is already lit, the red blinking light 10R is further lit, and FIG.
State. Therefore, it can be seen that there are two or more vehicles traveling to the intersection at a speed higher than a predetermined speed on any two or more orthogonal roads 1U, 1D, 1L, and 1R.
Therefore, according to the traffic accident prevention equipment of the first embodiment, it is possible to prevent a traffic accident from occurring.

Conversely, the amount of vehicles heading for the intersection decreases,
When the traveling pattern of the vehicle traveling on the roads 1U, 1D, 1L, and 1R changes from <Table 4> to <Table 1>, the red flashing light 10R and the yellow flashing light 10Y, both of which are on, are turned on. , Both are turned off. Road 1U, 1D, 1
When the traveling pattern of the vehicle traveling on L, 1R makes a state transition from <Table 4> to <Table 2> or <Table 3>,
The lit red flashing light 10R turns off. Road 1U, 1
When the traveling pattern of the vehicle traveling on D, 1L, or 1R makes a state transition from <Table 2> or <Table 3> to <Table 1>, the lit yellow blinking lamp 10Y is turned off.

As described above, according to the traffic accident prevention equipment of the first embodiment, the red blinking light 10R and the yellow blinking light 10Y are controlled in accordance with the traveling pattern of the vehicle traveling on the roads 1U, 1D, 1L and 1R. can do. Therefore, whether the vehicle is traveling on the road 1 leading to the intersection,
All roads 1U, 1D, 1L, 1R leading to the intersection
Can be confirmed from, traffic accidents can be prevented beforehand,
Moreover, there is an effect that it can be installed at low cost.

Next, a traffic accident prevention facility according to a second embodiment will be described. The traffic accident prevention equipment of the second embodiment is different from the traffic accident prevention equipment of the first embodiment in that a radio transmitter 40 is provided at an intersection, and a radio receiver 5 is provided on the front of the vehicle M.
0, and a danger alarm 60 is attached to a place inside the vehicle M where the driver can easily see. In addition,
The vehicle M may be not only an automobile but also a motorcycle such as a motorcycle or a bicycle.

First, the radio wave transmitter 40 will be described. FIG. 5 is a plan view of the traffic accident prevention equipment of the second embodiment. As shown in the figure, in the traffic accident prevention equipment of the first embodiment, a radio transmitter 40 is further provided at the intersection. The radio transmitter 40 transmits radio waves when both the red flashing lamp 10R and the yellow flashing lamp 10Y of the flashing lamp 10 are turned on.

Next, the radio wave receiver 50 and the danger alarm 60 will be described. FIG. 6 is a front view of the vehicle M to which the radio wave receiver 50 and the danger alarm 60 are attached. As shown in the figure, a radio wave receiver 50 is mounted on the front of the vehicle M, and a danger alarm 60 is installed inside the vehicle M. The radio wave receiver 50 is connected to the radio wave transmitter 4
It receives a radio wave transmitted from 0, and transmits a signal to the danger alarm 60 when the radio wave is received. The radio wave receiver 50 preferably has such a strength that the strength of the radio wave reaches a range of 50 to 100 m, and most preferably does not interfere with the radio wave of the radio wave receiver 50.

The danger alarm 60 is a buzzer, an LED, or the like, which acts on the driver's vision or hearing. When a signal from the radio wave receiver 50 is received, a sound is emitted from the buzzer or the LED is turned on. The driver can be informed of the danger by turning on the light. Note that the danger alarm 60 may be configured to release the danger alarm 60 by stepping on the brake.

Next, the operation and effect of the second embodiment will be described. As described above, when the vehicle M travels on two or more roads 1 among the roads 1U, 1D, 1L, and 1R at a speed higher than a predetermined speed, both the red flashing light 10R and the yellow flashing light 10Y are turned on. Then, a radio wave is transmitted from the radio wave transmitter 40. Therefore, the radio wave is received by the radio wave receiver 50 of the vehicle M, and a signal is transmitted from the radio wave receiver 50 to the danger alarm device 60. Therefore, the danger alarm 60
The sound can be heard and the LED illuminated, so that the driver can be informed of the danger. As a result, according to the traffic accident prevention equipment of the second embodiment, even if the blinking light 10 provided at a distant intersection is not seen or the blinking light 10 is overlooked, the danger notification in the vehicle M is made. There is an effect that danger can be known by the container 60.

[0030]

According to the traffic accident prevention equipment of claim 1,
Whether the vehicle is running on the road leading to the intersection,
It can be confirmed from all roads leading to the intersection, can prevent traffic accidents, and can be installed at low cost. According to the traffic accident prevention equipment of claim 2, when only the yellow blinking light is lit, it can be confirmed that the vehicle travels at a certain speed or more on one road toward the intersection. Also, by seeing that both the yellow blinking light and the red blinking light are on, it can be confirmed that the vehicle is traveling on a plurality of roads toward the intersection at a predetermined speed or higher. As a result, the driver or the pedestrian can be notified of the danger in advance, and a traffic accident can be prevented beforehand. According to the traffic accident prevention equipment of claim 3, since it is possible to determine whether or not there is a vehicle from a road that is difficult to see, it is determined that the driver is in a particularly dangerous state when the red blinking light is on. And inform pedestrians. According to the traffic accident prevention equipment of claim 4, even if the vehicle passes the intersection, it is possible to prevent the red flashing light and the yellow flashing light from continuing to light. According to the traffic accident prevention equipment of claim 5, it is possible to inform the driver of danger without seeing the flashing light provided at the far intersection.

[Brief description of the drawings]

FIG. 1 is a plan view of a traffic accident prevention facility of the present embodiment.

FIG. 2 is an explanatory diagram of an operation of a blinking light 10;

FIG. 3 is an input / output configuration diagram of a controller C;

FIG. 4 is a flowchart of a controller C;

FIG. 5 is a plan view of a traffic accident prevention facility according to a second embodiment.

FIG. 6 is a front view of the vehicle M to which the radio wave receiver 50 and the danger alarm 60 are attached.

[Explanation of symbols]

 Reference Signs List 10 blinking light 10R red blinking light 10Y yellow blinking light 20U speed sensor 20D speed sensor 20L speed sensor 20R speed sensor 21U release sensor 21D release sensor 21L release sensor 21R release sensor 30 traffic light 40 radio transmitter 50 radio receiver 60 danger alarm M Vehicle C controller

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[Procedure amendment]

[Submission date] June 19, 1998 (1998.6.1)
9)

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] Figure 2

[Correction method] Change

[Correction contents]

FIG. 2

Claims (5)

[Claims] 1. A flashing light provided at an intersection, and a traveling speed of a vehicle traveling on the road, which is provided on a road leading to the intersection, is detected when the detected speed exceeds a predetermined speed. A traffic accident prevention facility, comprising: a speed sensor for transmitting a signal; and a controller for controlling blinking of the blinking light according to the detection signal from the speed sensor. 2. The flashing light comprises a red flashing light and a yellow flashing light, and when the controller does not transmit a detection signal from a speed sensor to the controller, the yellow flashing light and the red flashing light. Are turned off, and when a detection signal is transmitted from only one speed sensor to the controller, the yellow flashing light is turned on, the red flashing light is turned off, and the controller is controlled by two or more speed sensors. The traffic accident prevention equipment according to claim 1, wherein when the detection signal is transmitted, both the yellow blinking light and the red blinking light are turned on. 3. Even when a detection signal is transmitted from two or more speed sensors to the controller, the detection signal is transmitted from only two speed sensors installed on a pair of roads located at an intersection. The traffic accident prevention equipment according to claim 2, wherein when the detection signal is transmitted, the yellow blinking light is turned on and the red blinking light is turned off. 4. A release sensor is provided near the intersection on a road leading to the intersection, and when the release sensor detects the passage of a vehicle, transmission of a detection signal of the speed sensor provided on the road. 4. The traffic accident prevention equipment according to claim 1, wherein the traffic accident prevention equipment is released. 5. A radio transmitter provided at the intersection and transmitting radio waves only when both the red flashing light and the yellow flashing light are on, and provided inside the vehicle,
5. The traffic accident prevention equipment according to claim 2, further comprising a danger alarm device for notifying a driver of danger when receiving a radio wave transmitted from the radio wave transmitter.