JP2010065402A - Safety system for road and alarm method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a safety system for a road, which can precedently discriminate between vehicles making an entry into the vicinity of a disaster site, so as to prevent a secondary disaster for a field worker etc. from being caused by the vehicle making an entry into the disaster site, which can give a danger warning to the worker etc. by an easily-audible signal, a visible visual signal, a sensory signal, etc., which is excellent in workability by virtue of easiness of installation and removal, which is more inexpensively and more simply constituted than ever, and which can endure even repeated use. <P>SOLUTION: A safety device for the road, which includes a sensor capable of detecting the approach of a traveling vehicle and a transmission portion capable of transmitting an external output signal depending on a discrimination made by the sensor, is installed in the rear of the disaster site. On the other hand, an alarm device for the road, which has a warning sound generator for generating a warning sound by receiving the external output signal is installed near the worker. Thus, an alarm and an attention can be rapidly given to the worker on the disaster site. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a road safety system and a warning method that are installed at the rear of a site such as an accident on a road or road construction, and warn and alert a site processing worker.

  Conventionally, in the event of a disaster such as an accident on an expressway, etc., to prevent secondary disasters caused by the approach of vehicles traveling near the site to police vehicles, road work vehicles and workers who arrive at the disaster site In the vicinity of the disaster site, a vehicle derivative such as a flaming cylinder, an arrow board, and a cone is installed to regulate the driving lane. In order to prevent the traveling vehicle from entering and work safely, it is necessary to install a flame tube, arrow board, cone, etc. in at least one vehicle lane behind the disaster site several tens to several hundred meters .

  However, the flaming cylinder, arrow board, cone, etc. are visible signals, and are less effective for warning and caution when driving a doze or aside driving (hereinafter referred to as “runaway vehicle”). There are many secondary disasters. In addition to handling accidents at the disaster site, workers had to pay attention to the runaway vehicles that entered, making it difficult to work safely and quickly.

Patent Document 1 discloses a road safety device attached to a vehicle derivative made of a color cone or the like.
According to this document, the collision member attached to the vehicle derivative by the collision of the vehicle includes a power generation member that generates power by colliding with the piezoelectric element, and road safety that notifies the vehicle collision by the electric power of the power generation member. An apparatus is disclosed.
However, since the road safety device is based on the premise of a vehicle collision, it is necessary to install a large number of vehicle derivatives, which may not be suitable for emergency work due to an accident or the like.

JP 2003-253630 A

  The object of the present invention is to discriminate in advance a vehicle that is likely to enter the vicinity of the disaster site in order to prevent secondary disasters caused by the vehicle workers entering the disaster site. Easily audible audible signal, visible visual signal, sensible sensation signal, etc. can give danger warnings, installation and removal are extremely easy, workability is excellent, and it is simpler and less expensive than the conventional one. It is to provide a road safety system that can withstand repeated use.

  As a result of intensive investigations in view of the above problems, the inventors of the present invention have a sensor unit capable of sensing the approach of a vehicle and a transmission unit behind the disaster site, and outputs an external output signal according to the determination of the sensor unit. By installing a road safety device that has a warning sound generating device that emits a warning sound by receiving a road safety device capable of transmitting and receiving the external output signal, a disaster can be promptly The present inventors have found that warnings and cautions can be given to workers on site, and have completed the present invention. That is, this invention is shown to the following (1)-(5).

(1): A road safety device in which a sensor unit and a transmission unit are attached to a vehicle derivative,
A road safety device, wherein the sensor section senses that a traveling vehicle has approached the vehicle derivative, and the transmission section transmits an external output signal.

  (2): An alarm generating device characterized in that a receiving unit issues a signal alarm by receiving an external output signal transmitted from the road safety device according to (1).

(3): The signal alarm is
The alarm generation device according to (1) or (2), wherein the alarm generation device is at least one signal alarm selected from the group consisting of an audible signal, a visible signal, and a bodily sensation signal.

(4): The road safety device according to (1),
The alarm generation device according to (2) or (3);
In a road safety system comprising at least
The road safety system, wherein the road safety device and the alarm generation device are spaced apart from each other on a road.

(5): a road safety device in which a sensor part and a transmission part are attached to a vehicle derivative;
as well as,
Using an alarm generating device having a receiving unit installed away from the road safety device,
Sensing the approach of the vehicle by the sensor unit, sending an external output signal to the receiving unit,
A warning method for road workers, characterized in that a warning is given by the warning generator.

  According to the road safety system of the present invention, the alarm generation device can be installed near the worker at the disaster site, and the audible signal, the visible signal, and the bodily sensation signal are given to the worker very easily even in a noisy environment. be able to. In addition, installation and removal are extremely easy, workability is excellent, and quick work is possible. In addition, this system can withstand repeated use despite its low cost and simple configuration. Therefore, if the road safety system and warning method of the present invention are used, secondary disasters caused by runaway vehicles entering the disaster site can be suppressed, and the workers can work safely and quickly.

First, the road safety device of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic diagram showing an example of the configuration of the road safety device of the present invention.
The road safety device of the present invention includes a sensor unit 2 that can sense that a vehicle is approaching,
And a transmitter 3 capable of transmitting an external output signal in accordance with the discrimination of the sensor unit.
The sensor unit 2 and the transmission unit 3 are preferably attached to the vehicle derivative 1 as shown in FIG.

As the sensor unit 2, it is preferable to use a sensor that can detect a vehicle with a non-contact type sensor,
An infrared sensor or a photoelectric sensor is preferable.
The sensor that can be used in the present invention is
Light that emits visible light, infrared light, etc. as signal light from the light projecting unit, light reflected by the detection object is detected by the light receiving unit, and changes in the amount of light that is blocked are detected by the light receiving unit to obtain an output signal Pointing,
Preferably, a detection angle of 0 to 90 °, a detection distance of 1 to 10 m, and a condition satisfying a response speed of 1 to 200 milliseconds can be used.
Specific examples thereof include an infrared sensor for crime prevention and a reflective photoelectric sensor for determining glossiness (identifying the difference in glossiness of the detected object surface).
Further, in the present invention, the vehicle refers to a vehicle that enters a lane regulation that is performed during work such as accident handling.

In addition, the road safety device of the present invention includes a transmission unit that can transmit an output signal to the outside when it is determined that the vehicle has entered the vehicle detection area.
This transmitter is preferably built in a vehicle derivative such as the cone shown in FIG.
There are various forms and shapes of the vehicle derivative, and an arrow board, a color cone, a stop display device, a guiding doll, a fence, a signboard, and the like can be used, and are not particularly limited.
Further, in the present invention, the transmission unit refers to a transmission device capable of transmitting an output signal to the outside, and the output signal includes a radio signal, a radio signal, an optical signal, an infrared signal, an ultrasonic signal, a sound wave signal, and the like. Refers to that.
Transmitting device means a telecommunication device that sends out information, preferably a transmitting device that uses radio waves, mainly a circuit that generates a high-frequency signal, an amplifier circuit that increases the signal to a predetermined power, And what is comprised by the modulation circuit which carries information on a high frequency signal is pointed out.
A specific example of such a transmitter is a transceiver.

Next, the alarm generation device of the present invention will be described.
The alarm generation device of the present invention is characterized by issuing a signal alarm by receiving an external output signal transmitted from the road safety device.
The alarm generating device includes a receiving unit (device that receives a signal, demodulates it, and restores information) that can receive a signal transmitted from a road safety device.
Examples of such a receiving unit include a receiver and a tuner.

Furthermore, the alarm generation device of the present invention also includes an alarm unit capable of generating a signal alarm in conjunction with the receiving unit.
Here, the signal alarm is preferably at least one signal alarm selected from the group consisting of an audible signal, a visible signal, and a bodily sensation signal.
Here, the audible signal indicates a signal that gives a warning or an alarm to surrounding people such as an electronic buzzer, a siren, or a bell.
The visible signal indicates a rotating light or flash light used at a construction site or the like.
Further, the bodily sensation signal indicates a vibrator or the like that is physically used for a mobile phone, a controller of a game machine, or the like.
As an alarm unit capable of generating such a signal alarm, a rotating lamp with an alarm can be cited.

  The alarm generation device of the present invention may have a protective container for protecting the receiving unit and the alarm unit from wind and rain and impact, and the shape and form thereof are not particularly limited. As the material of the protective container, metal or plastic can be preferably used because of its usage environment.

  Next, the road safety system of the present invention will be described. The road safety system of the present invention includes at least the road safety device described above and an alarm generation device.

In FIG. 2, the schematic showing an example of the application form of the road safety system of this invention is shown.
The road safety device 4 is installed behind the accident vehicle (or road construction site) 7 at a certain distance.
Here, the fixed distance is usually a distance of several tens of meters to several hundreds of meters, and is not particularly limited.
In the vicinity of the accident vehicle (or road construction site) 7, an alarm generation device 8 is provided for giving an alarm to the worker 6 who performs the work. The alarm generation device 8 is installed apart from the road safety device 4. When it is detected that the traveling vehicle 9 has entered the vehicle detection area 5 of the road safety device 4, the transmission unit Generates an output signal, and the alarm generation device 8 that receives the signal issues a warning and gives a warning to the worker 6.

The alarm method of the present invention is preferably an alarm method using the road safety system described above. The road safety device is usually disposed on a vehicle traveling lane several tens to several hundreds meters behind a disaster site or the like.
On the other hand, an alarm generation device is arranged and used near the worker. The arrangement positions of the road safety device and the alarm generation device can be appropriately selected and are not particularly limited.

  EXAMPLES Hereinafter, an Example is given and this invention is demonstrated in detail.

Two transmitters and two infrared sensors were connected and fixed inside the color cone to provide a road safety device. The vehicle sensing area was set at a detection angle of 90 ° and a detection distance of 10 m before and after the color cone. In addition, an alarm generating device was obtained by connecting and fixing a receiving unit and a rotating lamp with alarm to an aluminum protective container.
The area 100 m behind the accident vehicle was used as a warning area, and three color cones with a built-in transmitter and an infrared sensor were arranged at 30 m intervals.
A traveling vehicle traveling at a speed of 100 km / h enters a color cone vehicle sensing area with a transmitter and an infrared sensor, the infrared sensor senses the vehicle, and a rotating light with an alarm is activated through the transmitter and receiver. The revolving light was activated and alerted the surrounding personnel. Personnel had about 2-3 seconds to reach the vehicle, and confirmed that they were able to evacuate to a shock posture and safety zone.

  The road safety system of the present invention contributes to the prevention of secondary disasters for workers engaged in the handling of disasters that occur on expressways and the like.

The schematic diagram which shows an example of a structure of the road safety device of this invention. Schematic which shows an example of the application form of the road safety system of this invention The schematic diagram which shows an example of a structure of the alarm generator of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle derivative 2 Sensor part 3 Transmission part 4 Road safety device 5 Vehicle detection area 6 Worker 7 Accident vehicle (or road construction site)
8 Alarm generator 9 Traveling vehicle 10 Receiving unit 11 Control unit 12 Alarm buzzer 13 Output terminal 2
14 Output terminal 3

Claims (5)

A sensor unit and a transmitter unit are road safety devices attached to a vehicle derivative,
A road safety device, wherein the sensor section senses that a traveling vehicle has approached the vehicle derivative, and the transmission section transmits an external output signal.   An alarm generating device, wherein the receiving unit issues a signal alarm by receiving an external output signal transmitted from the road safety device according to claim 1. The signal alarm is
The alarm generation device according to claim 1 or 2, wherein the alarm generation device is at least one signal alarm selected from the group consisting of an audible signal, a visible signal, and a bodily sensation signal. A road safety device according to claim 1;
The alarm generation device according to claim 2 or 3,
In a road safety system comprising at least
The road safety system, wherein the road safety device and the alarm generation device are spaced apart from each other on a road. Road safety device with sensor and transmitter attached to vehicle derivative,
as well as,
Using an alarm generating device having a receiving unit installed away from the road safety device,
Sensing the approach of the vehicle by the sensor unit, sending an external output signal to the receiving unit,
A warning method for road workers, characterized in that a warning is given by the warning generator.

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