JPH11120456A - Fire extinguishing supporting system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a fire extinguishing supporting system in which an optimal approach route to a building can be automatically determined. SOLUTION: This system is provided with an infrared camera 1 and a visible camera 2 for image picking-up a building in a fire, flame detecting part 6 for detecting a flame from infrared picture data D1 , flame detecting part 7 for detecting a flame based on contrast information obtained from visible picture data D2 , outline extracting part 8 for extracting the data of the outline of the building based on the visible picture data D2 , data synthesizing part 9 for generating synthetic data DG of the outline of the building to which the flame and smoke is added, route generating part 11 for generating an approach route diagram data DM of an approach route diagram including the outline of the building, flame, smoke, and approach route, and route deciding part 12 for deciding the safest and shortest optimal approach route for averting the flame and smoke from among the plural approach route from the approach port of the building to the fire generation site based on the approach route diagram.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire extinguishing support system used for automatically determining an approach route to a building at a fire site.

[0002]

2. Description of the Related Art Conventionally, at a fire site, after a firefighter arrives at a fire site, the fire situation is grasped visually and by warning of a fire detector, and further, based on a structural drawing of the building concerned. Generally, the approach route to the building is determined based on the experience of firefighters.

[0003]

However, at a fire site, the approach route to a building is determined based on the experience and skill of a firefighter as described above. However, there is a large individual difference between firefighters, and the optimal approach route is not always determined. Therefore,
At fire scenes, sometimes a wrong approach route is selected, so that a dangerous approach route is selected,
In addition, there is a possibility that a detour approach route is selected.
For this reason, at the fire scene, there is a possibility that so-called secondary disaster may be caused by incorrect selection of the approach route, and it is not possible to quickly extinguish fire and rescue activities because it takes a long time to determine the approach route. there were.
The present invention has been made under such a background, and an object of the present invention is to provide a fire extinguishing support system that can automatically determine an optimal approach route to a building.

[0004]

According to a first aspect of the present invention, there is provided an infrared camera for imaging a fire occurrence site, and flame detection means for detecting a flame at the fire occurrence site based on image data of the infrared camera. Storage means for storing approach route data indicating an approach route at the fire occurrence site, and determining means for determining an optimal approach route based on the detection result of the flame detecting means and the approach route data. It is characterized by doing. According to a second aspect of the present invention, in the fire extinguishing support system according to the first aspect, a visible camera that captures an image of the fire occurrence site, and smoke generated at the fire occurrence site based on image data of the visible camera. Smoke detecting means for detecting, wherein the determining means,
An optimal approach route is determined based on the detection result of the flame detection unit, the detection result of the smoke detection unit, and the approach route data. According to a third aspect of the present invention, in the fire extinguishing support system according to the first or second aspect, a display unit for displaying a result of the determination by the determining unit is provided.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a fire extinguishing support system according to an embodiment of the present invention.
In this figure, reference numeral 1 denotes an infrared camera that captures an image of a fire spot, and as an example, captures an image of a building 20 in a fire shown in FIG. The infrared camera 1 is a camera that responds to electromagnetic waves in an infrared (heat) region, and outputs an imaging result as infrared image data D1.

[0006] Reference numeral 2 denotes a visible camera arranged close to the infrared camera 1, which takes an image of a building 20 in a fire shown in FIG. This visible camera 2 is a camera that responds to visible light, and captures the imaging result as visible image data D
Output as 2. Reference numeral 3 denotes a turntable having a two-axis drive mechanism for turning the infrared camera 1 and the visible camera 2 vertically and horizontally.

Reference numeral 4 denotes a data processing unit. In the data processing unit 4, reference numeral 5 denotes a drive unit for driving the swivel 3. That is, the infrared camera 1 and the visible camera 2
By the drive control of the drive unit 5, a fire spot (the building 20) is aimed. Reference numeral 6 denotes a flame detection unit, which detects the flame H shown in FIG. 2A by binarizing luminance information obtained from the infrared image data D1 using a preset threshold value. The flame detector 6 outputs the detection result as flame detection data DH. Reference numeral 7 denotes a smoke detection unit, which detects smoke K by cutting out information on a white system area around the flame H detected by the flame detection unit 6 from contrast information obtained from the visible image data D2.
This smoke detector 7 outputs the detection result as smoke detection data DK.

[0008] Reference numeral 8 denotes a contour extraction unit, which extracts edge data of the building 20 by performing edge detection on contrast information obtained from the visible image data D2. The contour extraction unit 8 converts the extraction result into contour extraction data D
Output as R. Reference numeral 9 denotes a data synthesizing unit, which detects flame detection data DH, smoke detection data DK, and contour extraction data DR.
Is synthesized to generate synthesized data DG of the outline of the building 20 to which the flame H and the smoke K are added.

Reference numeral 10 denotes an approach route S in the building 20.
This is a storage unit that stores approach route data DS representing (see FIG. 2B). Reference numeral 11 denotes a route generation unit that enlarges or reduces the contour of the building 20 to which the flame H and the smoke K obtained from the combined data DG are added in accordance with the approach route obtained from the approach route data DS. The approach route map data DM is generated by combining the approach route S with the reduced or enlarged outline of the building 20.

Reference numeral 12 denotes a route determining unit, which is based on the approach route map obtained from the approach route map data DM.
From among a plurality of approach routes from the entrance 20a to the fire occurrence site shown in (b), the safest and shortest optimal approach route A that avoids the flame H and smoke K is determined. Reference numeral 13 denotes a display unit that displays the optimal approach route A, the outline of the building 20, the flame H, the smoke K, and the approach route S determined by the route determination unit 12.

Next, the operation of the fire extinguishing support system according to the above-described embodiment will be described. Now, it is assumed that a fire has occurred in the building 20 shown in FIG.
In this state, the firefighter operates the drive unit 5 so that the building 20 enters the imaging area of the infrared camera 1 and the visible camera 2. As a result, the infrared camera 1 and the visible camera 2 output the infrared image data D1 and the visible image data D2 as the imaging results.

After detecting the flame detection data DH corresponding to the flame H shown in FIG. 2B from the infrared image data D1, the flame detection unit 6 outputs this. Also, the smoke detector 7
Detects smoke detection data DK corresponding to the smoke K shown in FIG. 2B from the visible image data D2, and outputs this. Further, the contour extraction unit 8 performs edge detection on the visible image data D2, thereby obtaining the visible image data D2.
After extracting the contour extraction data DR corresponding to the contour of the building 20, the data is output.

Next, the data synthesizing section 9 outputs the flame detection data D
H, smoke detection data DK and outline extraction data DR are combined to generate outline data (synthesis data DG) of the building 20 to which the flame H and smoke K are added as shown in FIG. 2B. Is output. Accordingly, the route generation unit 11
After reducing or enlarging the outline of the building 20 obtained from the combined data DG, the approach route S obtained from the approach route data DS is combined therewith, and the combined result is output as approach route diagram data DM.

Next, based on the approach route map obtained from the approach route map data DM,
From among a plurality of approach routes from the entrance 20a to the fire occurrence site shown in (b), the safest and shortest optimal approach route A that avoids the flame H and smoke K is determined. Thereby, the display unit 13 displays the optimal approach route A, the outline of the building 20, the flame H, the smoke K, and the approach route S shown in FIG. Then, the firefighter checks the optimal approach route A on the display screen of the display unit 13 and then passes the building 2 from the entrance 20a.
0, and rush to the fire site via the optimal approach route A.

As described above, according to the fire-extinguishing support system according to the above-described embodiment, the optimum approach route A to the building 20 can be objectively determined without relying on the experience of a firefighter. Therefore, according to the fire extinguishing support system according to the above-described embodiment, it is possible to prevent a secondary disaster due to an incorrect selection of an approach route, shorten the time required for determining an approach route, and thus quickly extinguish a fire. ,
Rescue operations can be performed. Further, according to the fire extinguishing support system according to the above-described embodiment, automatic control regarding fire extinguishing can be performed, and automation of fire extinguishing activities can be advanced.

[0016]

As described above, according to the present invention,
The optimal approach route to the fire site can be determined automatically. Therefore, according to the present invention, it is possible to prevent a secondary disaster due to a mistake in selecting an approach route, to reduce the time required for determining an approach route, and to quickly perform fire extinguishing and rescue activities. it can.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a fire extinguishing support system according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating an operation of the fire extinguishing support system according to the same embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Infrared camera 2 Visible camera 3 Turntable 4 Data processing unit 5 Drive unit 6 Flame detection unit 7 Smoke detection unit 8 Contour extraction unit 9 Data synthesis unit 10 Storage unit 11 Route generation unit 12 Route determination unit 13 Display unit 20 Building 20a Entrance H Flame K Smoke D1 Infrared image data D2 Visible image data

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI H04N 7/18 H04N 7/18 F

Claims (3)

[Claims] 1. An infrared camera for capturing an image of a fire occurrence site, flame detection means for detecting a flame at the fire occurrence site based on image data of the infrared camera, and an approach route indicating an approach route at the fire occurrence site A fire extinguishing support system comprising: storage means for storing data; and deciding means for deciding an optimal approach route based on a detection result of the flame detecting means and the approach route data. 2. A visual camera for imaging the fire occurrence site, and smoke detection means for detecting smoke at the fire occurrence site based on image data of the visible camera, wherein the determination means The fire extinguishing support system according to claim 1, wherein an optimal approach route is determined based on a detection result of the detection unit, a detection result of the smoke detection unit, and the approach route data. 3. The fire extinguishing support system according to claim 1, further comprising display means for displaying a result of the determination by the determining means.