JP2002352381A - Alarm device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To positively prevent the occurrence of an accident to a worker such as a traffic regulator by a vehicle approaching a passing regulation section. SOLUTION: This alarm device is provided with a speed sensor 1 for detecting the speed of a vehicle advancing toward a passing regulation section S; an alarm display means (an LED display board) 2 for making an alarm display to a driver; and an alarm means (a rotary lamp with an alarm) 3 for giving an alarm to the worker concerned. When the speed detected by the speed sensor 1 exceeds a prescribed value, the alarm display means 2 is driven to give the alarm to the driver, and further when the speed detected by the speed sensor 1 exceeds the prescribed value, the alarm means 3 is driven to inform the workers concerned of the approach of the vehicle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an alarm device used to prevent a high-speed vehicle from entering a restricted traffic section on a road.

[0002]

2. Description of the Related Art When carrying out road construction and road maintenance work involving traffic regulation, a traffic regulation section is provided by installing a safety cone or the like, and a traffic mechanic and a guidance device are provided before the start position of the traffic regulation section. The vehicle is guided by arranging such devices to prevent the vehicle from entering the restricted traffic section.

[0003]

By the way, due to the driver's carelessness in front of a general vehicle, drowsy driving, or the like, the vehicle rushes straight toward the restricted traffic section, and stands in front of the restricted traffic section. In recent years, the number of accidents in which workers and workers involved in construction are hit (so-called receiving accidents) has increased rapidly. In order to prevent such accidents, measures have been taken, such as installing a signboard or the like to call the driver's attention in front of the restricted traffic section, but at present it is not sufficient to prevent accidents. .

The present invention has been made in view of such circumstances, and warns a driver when a vehicle approaches a traffic-controlled section on a road, and also works for a traffic maintenance person or the like in the traffic-controlled section. It is an object of the present invention to provide an alarm device that can surely notify a driver of the approach of a high-speed vehicle, and thereby can reliably prevent an accident from occurring.

[0005]

SUMMARY OF THE INVENTION An alarm device according to the present invention issues an alarm when a high-speed vehicle approaches a traffic regulation section where work such as construction and road maintenance is performed on a road through which the vehicle passes. An alarm device, comprising: a speed sensor for detecting a speed of a vehicle traveling toward a traffic regulation section; and a warning display unit for displaying a warning to a driver, wherein a speed detected by the speed sensor exceeds a predetermined value (set speed). It is characterized in that the warning display means is driven to give a warning to the driver when the warning is issued.

An alarm device according to the present invention is an alarm device for issuing an alarm when a high-speed vehicle approaches a traffic-restricted section where work such as construction and road maintenance is performed on a road on which the vehicle passes. A speed sensor for detecting the speed of the vehicle traveling toward the traffic regulation section, and an alarm unit for notifying a person involved in the operation of an alarm are provided. When the speed detected by the speed sensor exceeds a predetermined value (set speed), the alarm unit is activated. It is characterized in that it is configured to be driven to notify the work related persons of the approach of the vehicle.

[0007] The alarm device of the present invention is an alarm device for issuing an alarm when a high-speed vehicle approaches a traffic restricted section where work such as construction and road maintenance is performed on a road where the vehicle passes. A speed sensor for detecting the speed of the vehicle traveling toward the traffic-restricted section; warning display means for displaying a warning to the driver; and warning means for reporting a warning to work-related personnel. When the speed exceeds a predetermined value (set speed), the warning display means is driven to give a warning to the driver, and when the speed detected by the speed sensor exceeds a predetermined value (set speed), the alarm means is driven to give a vehicle to work-related personnel. Is characterized by being configured to signal the approach of a vehicle.

According to the alarm device of the present invention, when the speed of the vehicle heading for the traffic regulation section exceeds a predetermined value (set speed), a speed warning is issued to the driver of the vehicle, and the speed is still determined. When a vehicle that does not drop is detected (excess speed detection), a danger warning is issued to traffic workers and other workers, so there is a high possibility that accidents can be prevented beforehand. .

In the alarm device according to the present invention, individual speed sensors are respectively connected to the warning display means for the driver and the warning means for the work-related personnel, and these two speed sensors are connected to the warning display means along the vehicle traffic direction. It is preferable to adopt a configuration in which the speed sensor is disposed on the upstream side in the vehicle traveling direction.

[0010] The speed sensor used in the alarm device of the present invention comprises:
There is no particular limitation, for example, an ultrasonic method, an image processing method,
A speed sensor based on the Doppler effect, a speed sensor based on a millimeter wave radar system, or a speed sensor using a pressure sensor can be given. Among them, the contact type speed sensor using the pressure sensor is particularly suitable for the alarm device of the present invention because it has the advantages that the structure and installation are simple and the vehicle can be detected reliably and with high accuracy. .

In the present invention, a wireless portable vibrating device can be cited as one of the alarm means for the persons involved in the work.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a plan view showing an embodiment of the present invention in use.

The alarm device of this example has two sets of speed sensors 1 and 1, an LED display panel 2 for displaying a warning to a driver, and an alarm device for alerting a work-related person such as a traffic mechanic in a traffic-restricted section S. It comprises a rotating light 3 and its controller 4.

The LED display panel 2 is located a predetermined distance (for example, 50 m to 100 m) in front of the traffic regulation section S on the road R.
m), and a set of speed sensors 1 is installed in front of the LED display panel 2. These LEDs
The display panel 2 and the speed sensor 1 are connected via a cable C.

The rotary light with alarm 3 is installed near a worker in the traffic regulation section S, and a set of speed sensors 1 is installed in front of the rotary light with alarm 3. The controller 4 is incorporated in the rotary light 3 with alarm (FIG. 7). The rotary light with alarm 3 and the speed sensor 1 are connected via a cable C. In addition, in the installation of FIG. 1, the distance between the speed sensor 1 and the LED display panel 2 or the rotating light with alarm 3 is about 200 m as a standard one.

The speed sensor 1 has two pressure sensors 10, 1
0. As shown in FIGS. 2A and 2B, the pressure sensor 10 is a pressure switch of a type in which a contact is closed by applying a load of a vehicle to an upper portion of a base 11 formed into a gentle cross-sectional mountain shape (for example, A pressure-type cable switch 12 is provided, and the length of the detection portion is, for example, 2 m.

As shown in FIG. 1, the two pressure sensors 10 constituting the speed sensor 1 are arranged at a fixed distance (for example, 2 m) on the road R along the traffic direction of the vehicle.

As shown in FIGS. 3 to 6, the LED display panel 2 includes an LED display unit 20 in which a large number of LEDs (red) are arranged in a matrix. The LED display panel 2 is provided with an operation unit 21 and a speed determination unit 22.

The driving of the LED display unit 20 is controlled by a driving circuit (not shown) which operates in accordance with a driving command described later, and as shown in FIG.
Is alternately repeated.

As shown in FIG. 5, the operation unit 21 includes a speed setting unit 21a, a display brightness changeover switch 21b, and a power switch 21c. The speed setting unit 21a sets the set speed (set value) by manual operation, for example, from 30 km / h to
It can be set arbitrarily within the range of 60 km / h. The display brightness changeover switch 21b is connected to the LED display unit 20.
This is a switch for switching the luminance of the two levels between daytime and nighttime.

The speed judging section 22 judges the speed of the vehicle passing through the speed sensor 1 from the output of the speed sensor 1. Specifically, the vehicle speed is measured based on the time difference between the time when the vehicle steps on two pressure sensors 10 and 10 (see FIG. 1) installed at a predetermined interval on the road R, and the measured value is used as the speed setting unit 21a. A drive command is given to the drive circuit of the LED display unit 20 only when the set speed set in the step is exceeded.

The above-mentioned LED display panel 2 is supported by a gantry 5 and is arranged at a height of, for example, about 1.5 m from a road surface.

As shown in FIG. 7, the rotary light with alarm 3 is
A rotating light 31 that emits flash light and an alarm 3 that sounds a horn
2 is provided. The driving of the rotary light with alarm 3 is controlled by the controller 4. The rotary light 3 with an alarm is supported by the gantry 6 and is arranged at a height of, for example, about 2 m from the road surface. The controller 4 of the rotary light 3 with alarm is mounted on a gantry 6.

As shown in FIG. 1, the controller 4 includes an operation unit 4
1 and a speed determination unit 42. The operation unit 41 is configured as shown in FIG.
As shown in the figure, the speed setting unit 41a and the power switch 41
c. The speed setting unit 41a changes the set speed (set value) by manual operation, for example, from 30 km / h to 60 km.
/ H can be set arbitrarily.

The speed judging section 42 judges the speed of the vehicle passing through the speed sensor 1 from the output of the speed sensor 1. Specifically, the vehicle speed is measured based on the time difference between the time when the vehicle steps on two pressure sensors 10 and 10 (see FIG. 1) installed at a predetermined interval on the road R, and the measured value is used as the speed setting unit 41a. Only when the set speed is exceeded, the alarm-equipped rotary lamp 3 is driven.

In this embodiment, the set value for the detection speed of the speed sensor 1 on the LED display panel 2 side (judgment value of excessive speed) and the setting for the detection speed of the speed sensor 1 on the rotary light lamp 3 with alarm are provided. The value is set to the same value, or the set value on the side of the rotary lamp with alarm 3 is set to a small value.

According to the above embodiment, the traffic regulation section S
When the speed of the vehicle traveling toward is detected by the speed sensor 1 on the LED display panel 2 side and the detected speed exceeds the set value set on the LED display panel 2, L
The ED display unit 20 is driven, and a warning is displayed to the driver of the vehicle to reduce the speed by alternately displaying “speed” and “drop”. The driver who sees the warning display by the LED display panel 2 performs a lane change or the like according to the guidance before the traffic regulation section S by reducing the speed of the vehicle.

If the speed of the vehicle does not decrease even after the warning display by the LED display panel 2 is performed, that is, if the driver does not notice the warning display due to inattentiveness, carelessness in front, etc., the rotating light with alarm 3 Excess speed of the vehicle is detected by the speed sensor 1 on the side, and the rotating light 3 with an alarm device is driven, and the flash light of the rotating light 31 and the horn sound of the alarm device 32 cause the working relationship of traffic maintenance personnel and the like. To warn the intruder vehicle.

As described above, in the present embodiment, a speed warning is issued by a warning display to a driver who is giving speed in the initial stage. Since a double safety method of giving a warning to workers involved in work is adopted, there is a high possibility that accidents can be prevented beforehand. In addition, since a warning / alarm is issued by detecting a vehicle that has exceeded the speed, a warning with a higher degree of danger can be issued as compared with a case where a vehicle intrusion is simply detected and a warning is given to a worker involved.

According to the present embodiment, the set value (set speed) set for the output of the speed sensor 1 is variable,
Since the set value can be set in accordance with the design speed of the target road, it can be used on various roads.

In the present embodiment, since a contact type speed sensor using a pressure sensor is used as the speed sensor, the structure and installation are simple, and the vehicle can be reliably and accurately detected. It is possible to more reliably prevent traffic workers and other workers involved in the accident.

Here, as a means of alarming traffic workers and other work-related personnel, in addition to flashes and warning sounds, a wireless portable vibrating device that is driven when an overspeed of the vehicle is detected is provided to the work-related personnel. Means of carrying may be adopted. If a double safety system is employed in this manner, a warning / alarm can be transmitted to the work-related personnel without fail, and the possibility of preventing an accident from occurring is further increased. Further, a pager (registered trademark) (wireless portable receiver) may be used as a portable alarm unit.

In the above embodiment, a speed sensor using a pressure sensor is used. Alternatively, for example, an ultrasonic system, an image processing system, a system based on the Doppler effect, or a millimeter wave radar system A speed sensor such as a speed sensor may be applied.

[0035]

As described above, the alarm device of the present invention provides a speed sensor for detecting the speed of a vehicle traveling toward a traffic regulation section, a warning display means for displaying a warning to a driver, or a worker. Since the warning means for reporting the warning is provided, when the speed of the vehicle heading for the traffic restricted section exceeds the set speed, a speed warning can be issued to the driver of the vehicle. Further, when a vehicle that does not decrease in speed is detected, a danger warning can be given to work-related personnel such as traffic mechanics.

If the warning device of the present invention is provided with both a warning display means for displaying a warning display to the driver and a warning means for notifying the person involved in the work, the speed of the vehicle heading for the restricted traffic section exceeds the set speed. While doing
A speed warning is issued to the driver of the vehicle, and if a vehicle that does not slow down still is detected, a danger warning can be issued to traffic maintenance personnel and other work-related personnel. Accidents due to vehicle intrusion can be reliably prevented.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention in use.

FIG. 2 is a plan view (A) and a side view (B) of a pressure sensor constituting a speed sensor used in an embodiment of the present invention.

FIG. 3 is a front view (A) and a side view (B) of the LED display panel used in the embodiment of the present invention.

FIG. 4 is a block diagram showing a configuration of a control system of the LED display panel.

FIG. 5 is a diagram showing a configuration of an operation unit of the LED display panel.

FIG. 6 is a diagram showing display items on an LED display board.

FIG. 7 is a front view (A) and a side view (B) of a rotary light with an alarm device used in the embodiment of the present invention.

FIG. 8 is a diagram showing a configuration of an operation unit of the controller.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Speed sensor 10 Pressure sensor 11 Substrate 12 Pressure switch 2 LED display board 20 LED display unit 21 Operation part 21a Speed setting part 21b Display brightness changeover switch 21c Power switch 22 Speed judgment part 3 Rotating light with alarm 31 Rotating light 32 Alarm 4 Controller 41 Operation Unit 41a Speed Setting Unit 41c Power Switch 42 Speed Judgment Unit R Road S Traffic Restriction Section

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Kenichi Mima 36, Terada Shinike, Joyo-shi, Kyoto Seika Electric Co., Ltd. (72) Inventor Shinji Matsuda 1-5-44, Otemae, Chuo-ku, Osaka-shi, Osaka Within the Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism (72) Minoru Kaneda 1-250, Hojo, Himeji City, Hyogo Prefecture Inside the Himeji Construction Office, Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism No. Ministry of Land, Infrastructure, Transport and Tourism Kinki Regional Development Bureau Kinki Technical Office F-term (reference) 2D064 AA11 AA21 BA03 DB02 DB03 EA02 EA07 EA10 EA13 EA14 EA25 EB05 EB12 EB38 FA02 GA01 JA01 JA02 5H180 AA01 CC21 HH14 JJ06

Claims (6)

[Claims] 1. An alarm device for issuing an alarm when a high-speed vehicle approaches a traffic-controlled section on which roads such as construction and road maintenance are performed on a road where the vehicle passes. A speed sensor for detecting the speed of the vehicle traveling toward the vehicle; and warning display means for displaying a warning to the driver. When the speed detected by the speed sensor exceeds a predetermined value, the warning display means drives to warn the driver. An alarm device configured to provide. 2. An alarm device for issuing an alarm when a high-speed vehicle approaches a traffic-controlled section on which roads such as construction and road maintenance are being performed on a road on which the vehicle passes. A speed sensor for detecting the speed of the vehicle traveling toward the vehicle; and an alarm unit for notifying the worker of the operation of an alarm. When the speed detected by the speed sensor exceeds a predetermined value, the alarm unit is driven to notify the operator of the vehicle of the operation. An alarm device configured to notify an approach of a vehicle. 3. An alarm device for issuing an alarm when a high-speed vehicle approaches a traffic-controlled section on which roads such as construction and road maintenance are performed on a road on which the vehicle passes. A speed sensor for detecting the speed of the vehicle traveling toward the vehicle, warning display means for displaying a warning to the driver, and warning means for reporting a warning to a person involved in the work,
When the speed detected by the speed sensor exceeds a predetermined value, the warning display means is driven to give a warning to the driver, and when the speed detected by the speed sensor exceeds the predetermined value, the warning means is driven to inform the work-related personnel. An alarm device configured to notify the approach of a vehicle. 4. An individual speed sensor is connected to each of a warning display means for a driver and a warning means for a work-related person, and these two speed sensors are connected to the warning display means along the vehicle traffic direction. The alarm device according to claim 3, wherein the warning device is disposed on the upstream side in the vehicle traveling direction. 5. The alarm device according to claim 2, wherein a wireless portable vibration device is used as the alarm device. 6. The alarm device according to claim 1, wherein the speed sensor comprises a pressure sensor.