JP2003310780A - Fire-extinguishing system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fire-extinguishing system wherein the location and the azimuth of a vehicle body can be easily grasped, and of which the remote control can be easily performed. <P>SOLUTION: The vehicle body 1 is equipped with at least a water-jetting means and a crawler 2 which is formed to be vertically movable on steps or a slope, and this fire-extinguishing system is constituted in a manner to perform a fire-extinguishing work by the remote control. In the fire-extinguishing system, a mast 7 is erected on the vehicle body 1, and at the upper end part of the mast 7, a bird's-eye camera 6 which is cooled by a cooling water 12 in the mast 7 and keeps the status of the front part and the front lower part of the vehicle body 1 in the view is provided. The bird's-eye camera 6 is cooled with the cooling water 12 from a self-defense spraying nozzle 15 as well, and the optical information is transmitted to a CCD color camera 8 in the vehicle body 1 through an optical fiber 11 in the mast 7, and the bird's-eye camera 6 is constituted in a manner to be monitored by a remote control operator. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire extinguisher, and more particularly, to a fire extinguisher that allows easy understanding of the position and orientation of a vehicle body and remote operation.

[0002]

2. Description of the Related Art When a fire occurs in a refractory building or an underground mall, it may be difficult for firefighters to enter the inside of the building due to the fire or heavy smoke hot air. In such a fire scene, a self-propelled fire extinguisher that performs fire extinguishing work by remote control is known.

FIG. 3 is a perspective view showing an example of a conventional fire extinguisher. As shown in the figure, a vehicle body 1 of the fire extinguisher includes a crawler 2 which is orbitally driven by a built-in battery and an AC servomotor, a water spray gun 3 which sprays water on an object to be extinguished,
The water spray gun 3 is provided with a hose 4 for supplying fire extinguishing water from the outside, a camera 5 for taking a stereoscopic image and a heat ray image, and the like.

The camera 5 is fixed to the front portion of the upper surface of the vehicle body 1 and is configured as a so-called stereo camera. The front portion of the vehicle body 1 itself cannot be seen and the vehicle body 1 is not visible.
Only the field of view in the front is configured to be the subject of photography.

Although not shown, this fire extinguisher is equipped with a battery, an AC servomotor, a speed reducer, a power amplifier, a pipe for fire extinguishing water, a control board, and the like, as well as combustible gas, oxygen concentration, and ambient temperature. , Equipped with various sensors for detecting obstacles.

The fire extinguisher has a width of 0.8 in the building.
In order to run the stairs (including the landing) of about m, it is required to downsize the entire device. For example, the total length is 1.
The size is about 2 m, the total width is 0.7 m, and the total height is about 1.1 m.

Images taken by the camera 5 and information from various sensors are transmitted to an operation control panel placed in a safe place by wire or wirelessly, and the operator can grasp the fire situation based on this information. Operate the fire extinguisher by remote control and perform fire fighting activities such as water discharge.

When lowering the fire extinguisher from the stairs, in order to stabilize the balance of the center of gravity, the vehicle body 1 is turned and inverted at the landing of the stairs while watching the image from the camera 5, and It is operated remotely to descend from the rear side.

[0009]

Since the camera 5 of the conventional fire extinguishing system is configured so that the front part of the vehicle body 1 itself is not included in the field of view, and only the front field of view of the vehicle body 1 is taken as an object to be photographed. It is easy to run and discharge water on a floor or aisle where there are relatively no obstacles.

However, when the vehicle body 1 is turned at a landing of narrow stairs, it is difficult to grasp the position and direction of the vehicle body 1 only by the front view information, and a great deal of labor is required for remote control. There was a problem.

The present invention has been made in view of the above, and an object thereof is to provide a fire extinguisher capable of easily grasping the position and azimuth of a vehicle body and easily performing remote operation.

[0012]

In order to achieve the above object, a fire extinguisher according to claim 1 of the present invention comprises at least a water discharge means and a traveling means formed so as to be able to move up and down a stair or an inclined surface. In a fire extinguisher provided in a vehicle body and configured to perform a fire extinguishing work by remote control, a mast is erected on the vehicle body, and an upper end portion of the mast is formed so as to be cooled and at least the vehicle body. It is equipped with a bird's-eye view photographing means that allows a part of the vehicle and the lower part of the front to be seen.

Since the bird's-eye view photographing means can photograph at least a part of the vehicle body (for example, the front portion of the vehicle body) and the condition of the lower front portion at the same time, the vehicle body can be turned at a landing of a narrow staircase. Also, the operator can easily grasp the position and azimuth of the vehicle body, and can easily perform the remote operation. Further, since the bird's-eye view photographing means is formed so as to be cooled, it is protected from high heat due to a fire.

Further, in the fire extinguisher according to claim 2 of the present invention, the bird's-eye view photographing means includes a camera body arranged in the vehicle body, an optical lens means arranged at an upper end portion in the mast, and Optical fiber means arranged in a mast for guiding optical information from the optical lens means to the camera body, and for flowing cooling water for cooling the optical lens means and the optical fiber means in the mast. It is equipped with a cooling water channel.

Thus, the bird's-eye view photographing means can be constructed easily and at low cost, and the cooling means can be constructed easily. Further, since the optical information is guided to the camera body by the optical fiber means, the degree of freedom in the layout design of the bird's-eye view photographing means and other components is increased.

Further, in the fire extinguisher according to claim 3 of the present invention, the mast upper end portion is provided with nozzle means for self-spraying the cooling water guided from the cooling water passage in the mast. As a result, the bird's-eye view photographing means can be cooled from the outside of the mast, and the high heat caused by a fire can be more reliably protected.

Further, in the fire extinguisher according to a fourth aspect of the present invention, the cooling water is obtained by branching a part of the fire extinguishing water of the water discharge means. As a result, it is not necessary to separately provide a pressurizing means for pumping the cooling water, and the high-pressure cooling water can be supplied with a simple structure.

Further, in the fire extinguisher according to claim 5 of the present invention, the bird's-eye view photographing means is formed so as to photograph a heat ray image together with a stereoscopic image. As a result, the fire situation can be grasped in multiple ways, and the fire can be extinguished more quickly.

In the fire extinguisher according to claim 6 of the present invention, the mast includes at least height adjusting means for adjusting the height of the mast and rotation angle adjusting means for adjusting the horizontal rotation angle. It is a thing. This makes it possible to obtain a more detailed bird's-eye view image and facilitate remote operation.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a fire extinguisher according to the present invention will be described below in detail with reference to the drawings.
The present invention is not limited to this embodiment.

FIG. 1 is a perspective view showing a main part of a fire extinguisher according to an embodiment of the present invention, and FIG. 2 is a vertical sectional view showing a main part of an overhead camera. In the following description, the same or corresponding members as those already described will be denoted by the same reference numerals, and redundant description will be omitted or simplified.

As shown in FIG. 1, the vehicle body 1 of the fire extinguisher device.
Include, for example, a crawler 2 that is orbitally driven by a built-in battery and an AC servomotor, a water spray gun (not shown) that sprays water on an object to be extinguished, and a hose (not shown) that supplies fire water from the outside to this water spray gun. And a bird's-eye view camera 6 and the like which are provided on the upper end of a cylindrical mast 7 which is erected on the vehicle body 1 and which simultaneously captures the front and lower front conditions of the vehicle body 1.

The bird's-eye view camera 6 is provided in the vehicle body 1, a CCD color camera 8, a lens 9 and a prism 10 provided at an upper end of the mast 7, and a mast 7. An optical fiber 11 for guiding optical information (shown by an optical path 9a) from the lens 9 and the prism 10 to the CCD color camera 8 is provided. The CCD color camera 8 is heat-insulated and protected in the vehicle body 1.

As described above, the installation height and the viewing angle of the bird's-eye view camera 6 are set so that the front part and the lower part of the front of the vehicle body 1 can be simultaneously imaged. In addition,
A cover 7a is provided around the lens 9, and a protective transparent plate (not shown) is also provided on the front surface of the opening of the cover 7a. This protective transparent plate can be provided with a wiper means or the like for removing dust, water vapor and the like due to a fire, if necessary.

A lens 9 and a prism 10 are provided in the mast 7.
Also, a cooling water passage 13 for flowing cooling water 12 for cooling the optical fiber 11 is provided. The cooling water 12 is one in which a part of the fire extinguishing water of the water discharge means is branched and pressure-fed to the cooling water passage 13. The lens 9 and the prism 1
0 is covered with a cover member (not shown) in order to eliminate the influence of changes in the refractive index and bubbles in the cooling water 12.

The optical fiber 11 is fixed by a support plate 14 provided in the mast 7. This support plate 14
Is provided with a hole 14a for flowing the cooling water 12. Since the optical information from the lens 9 is guided to the CCD color camera 8 by the optical fiber 11, the degree of freedom in the layout design of the overhead camera 6 and the components in the vehicle body 1 is increased.

At the upper end of the mast 7, the cooling water channel 1
The high-pressure cooling water 12 inside the mast 3 is guided to the mast 7 by the water conduit 17.
A self-defense spray nozzle 15 for guiding it to the outside and spraying it on the overhead camera 6 to cool it is fixed by a support plate 16.

Since the fire extinguisher is equipped with the bird's-eye view camera 6 and the mast 7 configured as described above, it is possible to simultaneously photograph the front part and the front lower part of the vehicle body 1 with a simple structure. Even when the main body 1 is turned at a landing on a narrow staircase, the operator can easily grasp the position and orientation of the vehicle main body 1, and can easily perform remote operation.

The lens 9, the prism 10 and the optical fiber 11 are cooled by the cooling water 12 inside the mast 7 and also by the cooling water 12 sprayed from the outside of the mast 7 by the self-defense spray nozzle 15. So it is protected from high heat from fire.

Further, since the cooling water 12 branches off a part of the fire extinguishing water of the water discharge means and pressure-feeds it to the cooling water passage 13, the pressurizing means for flowing the cooling water 12 at a high pressure in the cooling water passage 13. Need not be provided separately.

Cooling water 12 guided to self-defense spray nozzle 15
Also, since the high-pressure cooling water 12 in the cooling water passage 13 is used by bypassing, the pressure necessary for spraying can be easily secured, and it is possible to ensure by simply providing the nozzle means without separately providing the pressurizing means. Can be sprayed.

As described above, according to the fire extinguisher according to the present embodiment, the mast 7 standing on the vehicle body 1 is provided with the bird's-eye view camera 6 capable of self-defense cooling. Even in the case of turning at a landing of narrow stairs, the position and direction of the vehicle body 1 can be easily grasped, remote operation can be easily performed, and quick and reliable fire fighting can be performed.

In the above embodiment, the bird's-eye view camera 6 has been described as being configured so that the front part of the vehicle body 1 and the situation of the lower front part can be photographed at the same time. The present invention is not limited to the lower front part, and may be configured so that a part of the vehicle body 1 (for example, the side or the rear side) simultaneously fits in the visual field together with the situation around the vehicle body 1. In addition, a plurality of this overhead view camera 6 may be provided.

Although the bird's-eye view camera 6 has been described as being capable of capturing a stereoscopic image, the present invention is not limited to this and may be configured to capture a heat ray image as well as a stereoscopic image by a well-known / common technique. As a result, the fire situation can be grasped in multiple ways, and the fire can be extinguished more quickly.

Further, although the mast 7 is fixed to the vehicle body 1 and the height of the bird's-eye view camera 6 and the rotation angle in the horizontal direction are fixed, the mast 7 is not limited to this. The height adjusting means for adjusting the height and the rotation angle adjusting means for adjusting the rotation angle in the horizontal direction may be configured and provided by well-known and common techniques. As a result, the height of the bird's-eye camera 6 and the rotation angle in the horizontal direction can be adjusted, and a finer bird's-eye image can be obtained, which facilitates remote operation.

[0036]

As described above, according to the fire extinguisher (Claim 1) of the present invention, at least the water discharge means and the traveling means formed so that the stairs or the inclined surface can be moved up and down are provided in the vehicle body. In a fire extinguisher device configured to perform fire extinguishing work by remote control, a mast is erected on the vehicle main body, and an upper end portion of the mast is formed so as to be coolable and at least a part of the vehicle main body. Since it is equipped with a bird's-eye view photographing means that can capture the state of the lower front, the operator can easily grasp the position and azimuth of the vehicle main body even when turning the vehicle main body on a landing of narrow stairs, etc. It can be done easily. Further, since the bird's-eye view photographing means is formed so as to be cooled, it is protected from high heat due to a fire.

Further, according to the fire extinguisher according to the present invention (Claim 2), the bird's-eye view photographing means includes the camera body arranged inside the vehicle body and the optical lens means arranged at the upper end portion inside the mast. And optical fiber means arranged in the mast for guiding optical information from the optical lens means to the camera body, and cooling water for cooling the optical lens means and the optical fiber means in the mast. Since the cooling water channel for flowing the water is provided, the overhead view photographing means can be configured easily and at low cost, and the cooling means can also be configured easily. Further, since the optical information is guided to the camera body by the optical fiber means, the degree of freedom in the layout design of the bird's-eye view photographing means and other components is increased.

Further, according to the fire extinguisher according to the present invention (claim 3), the mast upper end portion is provided with the nozzle means for self-spraying the cooling water guided from the cooling water passage in the mast. It is also possible to cool the bird's eye view photographing means, and it is possible to further reliably protect from high heat caused by a fire.

Further, according to the fire extinguishing apparatus of the present invention (claim 4), since the cooling water has branched a part of the fire extinguishing water of the water discharge means, a pressurizing means for pumping the cooling water is separately provided. There is no need, and high-pressure cooling water can be supplied with a simple structure.

Further, according to the fire extinguisher (Claim 5) of the present invention, since the bird's-eye view photographing means is formed so as to photograph the heat ray image together with the stereoscopic image, it is possible to grasp the fire situation from various sides. Able to carry out quick fire fighting.

According to the fire extinguisher of the present invention (claim 6), the mast has at least height adjusting means for adjusting its own height and rotation angle adjusting means for adjusting the horizontal rotation angle. Since it is equipped with, it is possible to obtain a more detailed bird's-eye view image and facilitate remote operation.

[Brief description of drawings]

FIG. 1 is a perspective view of essential parts showing a fire extinguisher according to an embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view showing a main part of an overhead camera.

FIG. 3 is a perspective view showing an example of a conventional fire extinguisher.

[Explanation of symbols]

1 vehicle body 2 crawlers 6 overhead camera 7 masts 7a cover 8 CCD color camera 9 lenses 9a optical path 10 prism 11 optical fiber 12 cooling water 13 Cooling channel 14 Support plate 14a hole 15 Self-defense spray nozzle 16 Support plate 17 water conduit

Continued front page    (72) Inventor Takashi Okazaki             3,000 Tana, Sagamihara-shi, Kanagawa Mitsubishi Heavy Industries             General-purpose machine / special vehicle business division (72) Inventor Yasutaka Fukuya             3,000 Tana, Sagamihara-shi, Kanagawa Mitsubishi Heavy Industries             General-purpose machine / special vehicle business division F-term (reference) 2E189 AA10 AE02 AE10                 4F033 AA12 BA04 CA01 DA01 EA01                       LA12

Claims (6)

[Claims] 1. At least a water discharge means and a traveling means formed so as to be able to move up and down a staircase or an inclined surface,
In a fire extinguisher equipped with a vehicle body to perform fire extinguishing work by remote control, a mast is erected on the vehicle body, and a mast is formed at an upper end portion of the mast so as to be at least the vehicle. A fire extinguisher equipped with a bird's-eye view photographing means for keeping a part of the main body and the state of the lower front part in the field of view. 2. The overhead view photographing means includes a camera body arranged in a vehicle body, an optical lens means arranged in an upper end portion of a mast, and an optical lens means arranged in the mast. Optical fiber means for guiding optical information to the camera body, and a cooling water passage for flowing cooling water for cooling the optical lens means and the optical fiber means in the mast. The fire extinguisher according to claim 1. 3. The fire extinguisher according to claim 2, wherein the upper end of the mast is provided with nozzle means for self-spraying the cooling water guided from the cooling water passage in the mast. 4. The cooling water is obtained by branching a part of the fire extinguishing water of the water discharge means.
Fire extinguisher described in. 5. The overhead view photographing means is formed so as to photograph a heat ray image together with a stereoscopic image.
The fire extinguisher according to any one of to 4. 6. The mast includes at least height adjusting means for adjusting the height of the mast, and rotation amount adjusting means for adjusting the amount of rotation in the axial direction. Fire extinguisher described in any one.