JP2009199590A - Abnormality probe support device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an abnormality probe support device which is excellent in convenience while satisfying that a site worker can work with both hands while directly viewing an infrared image even in a situation such that the worker's visual field is disturbed by smoke of fire or the like. <P>SOLUTION: The abnormality probe support device includes an infrared camera and a display which is located in the front of the eyes at least when using the infrared camera and reproduces an image taken by the infrared camera, the both being provided on a face protector or helmet. The infrared camera is disposed in the vicinity of one eye on an extension of a line connecting both the eyes. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a suitable abnormality exploration support apparatus that performs a rescue operation or the like in a situation where the field of view is blocked by smoke or the like due to fire.

  Examples of this type of abnormality search support device include a helmet, an infrared camera fixed to the outer peripheral surface of the helmet, and the infrared camera attached to the helmet so that the image receiving surface comes in front of the face of the helmet wearer. And a wireless transmitter that is attached to a helmet and wirelessly transmits a video signal of the infrared camera to a wireless receiver installed at a remote location (for example, a patent) Reference 1).

  Using the above-mentioned anomaly detection support device, the wearer wearing the helmet (worker) works with both hands while directly viewing the infrared image even under circumstances where the field worker's field of view is obstructed by smoke or the like caused by a fire. it can. In addition, more appropriate monitoring, situation determination, and the like can be performed by wirelessly transmitting an image captured with infrared rays to a wireless receiver installed at a location distant from the site.

Japanese Utility Model Publication No. 5-75892

However, the abnormality search support apparatus has problems as shown in the following (1) to (3).
(1). Since the infrared camera is fixed in such a manner as to protrude laterally from the outer peripheral surface of the helmet, there is a possibility that the infrared camera may collide with an obstacle and be damaged when passing through a narrow place.
(2). Since the infrared camera is set to a position that is considerably higher than the ear position on the wearer's temporal region, there is a relatively large difference between the real image seen with the naked eye and the image on the display taken with the infrared camera. .
(3). Since the infrared camera is fixed in such a manner as to protrude sideways from the outer peripheral surface of the helmet, the left and right weight balance is poor, and a burden is placed on the wearer's neck.

  That is, this anomaly search support apparatus is inconvenient as shown in the above (1) to (3).

    Therefore, the present invention is more user-friendly after satisfying that the worker can operate with both hands while directly viewing the infrared image even under the situation where the field worker's view is obstructed by smoke caused by the occurrence of a fire. An object of the present invention is to provide an excellent anomaly detection support device.

(Invention of Claim 1)
The abnormality search support device according to the present invention is an abnormality search support device in which a face protector or a helmet is provided with an infrared camera, and a display that is positioned in front of the eye and that reproduces an image captured by the infrared camera when using the infrared camera. The infrared camera is disposed on the extension line of the line connecting the left and right eyes and in the vicinity of one eye.

  In the anomaly search support device of the present invention, the infrared camera is arranged on the extension line of the line connecting the left and right eyes and in the vicinity of one eye, so the real image seen with the naked eye and the image on the display taken with the infrared camera There is no big difference between

(Invention of Claim 2)
The abnormality search support device according to the present invention is an abnormality search support device in which a face protector or a helmet is provided with an infrared camera, and a display that is positioned in front of the eye and that reproduces an image captured by the infrared camera when using the infrared camera. The infrared camera is arranged so that the center of gravity is on the virtual center line.

  In the anomaly search support apparatus according to the present invention, the infrared camera is arranged so that the center of gravity is located on the virtual center line.

(Invention of Claim 3)
The abnormality search support device according to the present invention is an abnormality search support device in which a face protector or a helmet is provided with an infrared camera, and a display that is positioned in front of the eye and that reproduces an image captured by the infrared camera when using the infrared camera. An infrared camera is disposed in the vicinity of the jaw of the human head.

  In the anomaly search support apparatus of the present invention, since the infrared camera is disposed in the vicinity of the jaw of the human head, the moment force applied to the neck is small, and the burden on the wearer's neck is small.

(Invention of Claim 4)
The abnormality search support device according to the present invention is an abnormality search support device in which a face protector or a helmet is provided with an infrared camera, and a display that is positioned in front of the eye and that reproduces an image captured by the infrared camera when using the infrared camera. An infrared camera is disposed at a position away from the display when viewed from the front, and an image captured by the infrared camera is reproduced on the display at the eye position by optical or electrical coordinate conversion.

  In the anomaly search support apparatus of the present invention, the infrared camera is disposed at a position off the display in front view, and the image captured by the infrared camera is reproduced on the display at the eye position by optical or electrical coordinate conversion. Therefore, there is almost no difference between the real image seen with the naked eye and the image on the display taken with the infrared camera.

(Invention of Claim 5)
The abnormality search support apparatus according to the present invention relates to the invention according to any one of claims 1 to 4, and wirelessly transmits a video signal of an infrared camera to a face protection device or a helmet to a wireless receiver installed at a remote place. A wireless data transfer device is provided.

  In the anomaly search support apparatus according to the present invention, it is possible to perform more appropriate monitoring, situation determination, and the like by wirelessly transmitting an image captured with infrared rays to a wireless receiver installed at a location away from the site.

(Invention of Claim 6)
The abnormality search support device according to the present invention relates to the invention according to any one of claims 1 to 4, wherein the front surface of the face protection device or the helmet is shielded, and the inner surface of the shield and the surface of the display are anti-fogged. Processing has been applied.

In the anomaly search support device according to the present invention, the front surface of the face protection device or the helmet is shielded, and the inner surface of the shield and the surface of the display are subjected to anti-fogging processing. Loss of vision can be eliminated and safety in activities can be ensured.
(Invention of Claim 7)
The abnormality search support apparatus according to the present invention relates to the invention according to any one of the first to fourth aspects, and includes an adjustment mechanism for adjusting the visual field position and the visual field angle of the display.

    In the anomaly search support device of the present invention, since the adjustment mechanism for adjusting the visual field position and the visual field angle of the display is provided, the display can be adjusted to the optimal position of the wearer's line of sight.

(Invention of Claim 8)
The abnormality search support device according to the present invention relates to the invention described in claim 2, wherein the face protection device or the helmet is provided with at least one of a camera control device, a wireless data transfer device or a battery, and the face protection device or the helmet. At least one of the camera control device, the wireless data transfer device or the battery, and the infrared camera are arranged so that the center of gravity is on the virtual center line.

  In the anomaly search support device of the present invention, at least one of the camera control device, the wireless data transfer device or the battery, and the infrared camera are arranged so that the center of gravity is located on the virtual center line of the face protector or the helmet, The front and right weight balance is good and the burden on the wearer's neck is small.

  The present invention has the following effects.

  As is clear from the contents described in the column of the embodiment of the invention, even in a situation where the field worker's view is obstructed by smoke or the like due to a fire, the worker works with both hands while directly viewing the infrared image. We were able to provide an anomaly detection support device that was even easier to use while satisfying that we could do it.

The perspective view which shows the abnormality search assistance apparatus of Embodiment 1 of this invention. It is a side view of the abnormality search assistance apparatus of the said Embodiment 1. The perspective view which shows the goggles part of the abnormality search assistance apparatus of Embodiment 2 of this invention. FIG. 3 is an overall view of an abnormality search support apparatus according to the second embodiment. The perspective view of the abnormality search assistance apparatus of Embodiment 3 of this invention. The abnormality search assistance apparatus of other embodiment of this invention. An anomaly exploration support apparatus according to another embodiment of the present invention in which the eyes are aligned by an optical technique. The abnormality search assistance apparatus of other embodiment of this invention. The abnormality search assistance apparatus of other embodiment of this invention. The abnormality search assistance apparatus of other embodiment of this invention. The perspective view of the mechanism for moving a display to another position. The perspective view of the mechanism for moving a display to another position. The perspective view of the mechanism for moving a display to another position. Conceptual diagram of electrical coordinate conversion for line alignment (when viewed from the side). Conceptual diagram of electrical coordinate conversion for eye alignment (when viewed from directly above).

  Hereinafter, an abnormality search support apparatus according to an embodiment of the present invention will be described with reference to the drawings.

Embodiment 1
FIG. 1 is a perspective view showing an abnormality search support apparatus according to Embodiment 1 of the present invention, and FIG. 2 is a side view of the abnormality search support apparatus.

(About the basic configuration of this anomaly detection support device)
As shown in FIG. 1, this abnormality exploration support apparatus basically includes a fire fighting face 1, a monocular display 2 equipped in the fire fighting face 1, and the left eye side of the fire fighting face 1. The infrared camera 3 attached to the temporal part of the firefighting body and the electronic component unit 4 attached to the temporal part on the right eye side of the fire fighting face piece 1 are configured.

(About firefighting mask 1)
The fire fighting face 1 is made of a transparent synthetic resin, and as shown in FIG. 1, has a space part 10 for accommodating the display 2 in the upper part and an air supply mask 11 in the lower part. And it attaches to a wearer's face in the airtight state by the elastic member stuck to the inner peripheral side peripheral edge part.

  Further, as shown in FIG. 1, a bracket 12 for attaching the infrared camera 3 to the left side corresponding portion is attached to the fire fighting face 1 and the electronic component unit 4 is attached to the right side corresponding portion. A bracket 13 for attaching the display 2 to the uppermost portion is provided.

  Further, as shown in FIG. 1 and FIG. 2, the fire fighting face body 1 is provided with a net-like cap body 15 at the rear thereof, and a stop strap 16 provided on the hat body 15 is provided on the fire fighting face body 1. The fire fighting face plate 1 can be firmly fixed without providing a gap on the face of the wearer by tightening it through the fastener 17.

(About Display 2)
As shown in FIG. 1, the display 2 is a monocular type, and is disposed near the line of sight of the right eye part via the bracket 14. Here, in this embodiment, as shown in FIG. 1, the display 2 is attached via a support base 20, and the display 2 is attached to the support base 20 by a screw mechanism so as to adapt the line-of-sight position to the wearer. Can be moved three-dimensionally in the viewing direction, horizontal and vertical. The display 2 may be moved manually with respect to the support base 20 or may be performed using a rotational force such as a motor.

  The display 2 is a see-through type that can take in light of about 20% from the outside when not in use.

(Infrared camera 3)
As described above, the infrared camera 3 is attached to the temporal region on the left eye side, and more specifically, the infrared camera 3 is disposed in the vicinity of the left eye on an extension line connecting the left and right eyes. . Therefore, there is no great difference between a real image viewed with the naked eye and an image on a display captured by an infrared camera.

  In addition, since the infrared camera 3 is used, the wearer can perform activities while directly viewing the infrared image even in a situation where the field worker's view is obstructed by smoke or the like due to a fire.

(About electronic component unit 4)
The electronic component unit 4 includes a camera control device 40 and a wireless data transfer device 41 that wirelessly transmits a video signal of an infrared camera to a wireless receiver installed at a remote place. It is said.

The electronic component unit 4 is attached to the right-eye temporal portion as described above, and the moment force generated by the weight of the infrared camera 3 can be reduced by the moment force generated by the weight of the electronic component unit 4 as much as possible. It can be offset.
(The excellent action and effect of this anomaly detection support device)
(1). When using this anomaly search support device, the display mechanism 2 is moved three-dimensionally in the line-of-sight direction, horizontal and vertical with respect to the support base 20 by operating the screw mechanism, and the line-of-sight position is adapted to the wearer. After this adjustment, the wearer wears the hat body 15, and tightens the stop strap 16 provided on the hat body 15 through the stopper 17 provided on the fire fighting face body 1, thereby fixing the fire fighting face body 1 to the face of the wearer. Securely fix without any gaps.

In the above state, the image position on the display 2 is good in conformity with the line of sight of the wearer, and it can be said that the image on the display 2 does not shake due to vibration generated during the wearer's operation.
(2). The display 2 is a see-through type that can capture about 20% of external light when not in use, so the composition of the scenery seen with one eye and the see-through eye is almost the same as usual, so Even when in use, work will not be hindered.
(3). Since the infrared camera 3 is disposed on an extended line connecting the left and right eyes, the image on the display 2 can be correctly recognized without a large visual change.
(4). Since the moment force generated at the neck can be offset as much as possible by the weight of the electronic component unit 4 and the weight of the infrared camera 3, it is possible to work without stress without impairing the agility in maintaining the posture and the operation at rest. it can.
(5). Since the electronic component unit 4 is attached to the temporal region on the right eye side, the wearer himself can easily operate the switch, which is very convenient.

[Embodiment 2]
FIG. 3 is a perspective view showing a goggle portion of an abnormality search support apparatus according to Embodiment 2 of the present invention, and FIG. 4 is an overall view of the abnormality search support.
(About the basic configuration of this anomaly detection support device)
This anomaly exploration support apparatus is used when carrying out a logistic support activity for fire fighting activities. Basically, as shown in FIGS. 3 and 4, the goggle 1G and the lens part of the goggle 1G are provided. It is composed of a monocular display 2 arranged so as to close the notched portion, an infrared camera 3 attached to the left eye side of the goggles 1G, and an electronic component unit 4.

(About Goggles 1G)
As shown in FIG. 3, the goggle 1G includes a lens portion 10G, an elastic member 11G for attaching the lens portion 10G to the face in a sealed state, and a belt 12G for attaching the lens portion 10G to the face. In addition, the elastic member 11G is attached to the face of the wearer in a sealed state.

  As shown in FIG. 3, an opening 18 for mounting the monocular display 2 is provided in the right eye facing portion of the lens unit 10G.

  Further, as shown in FIG. 3, the goggles 1G are provided with a bracket 12 for attaching the infrared camera 3 to the left temporal region.

(About Display 2)
As shown in FIG. 3, the display 2 is arranged so as to close the opening 18 in a front view, and a gap between the display 2 and the opening 18 is closed with an elastic member. The display 2 is equipped with a HOE lens (generally called a holographic optical element or a hologram combiner) of about 2 cm ² , and the position is adjusted in the front-rear direction (goggles are moved in the vertical and horizontal directions). Position adjustment).

(Infrared camera 3)
This infrared camera 3 is a small CCD camera that can visually recognize a near-infrared region that can identify afterfire, and is disposed on an extension of a line connecting the left and right eyes in the goggles 1G via the bracket 12. Yes.

(About electronic component unit 4)
The electronic component unit 4 is basically the same as that of the first embodiment, but as shown in FIG. 4, a belt 42 for attaching to the waist of the wearer is provided.

(The excellent action and effect of this anomaly detection support device)
In this anomaly search support device, (1) since a small CCD camera is used, the weight is small, and the electronic component unit 4 is attached to the waist by the belt 42, so the burden on the neck is compared with that of the first embodiment. (2) The image position on the display 2 is good in conformity with the line of sight of the wearer, and the image on the display is not shaken even by vibration generated during the wearer's movement. (3 ) Since the display 2 is equipped with a HOE lens, the composition of the scenery seen with one eye and the see-through eye is almost the same as usual, and there is no trouble in the work even when not in use. 4) Recognizing the video on the display 2 can be performed correctly without significant visual change. (5) The wearer can easily switch the electronic component unit 4 and is very convenient. Are excellent, exhibits the action and effect of.

[Embodiment 3]
FIG. 5 is a perspective view showing an abnormality search support apparatus according to Embodiment 3 of the present invention, which is a helmet type.

  As shown in FIG. 5, this abnormality exploration support apparatus includes a helmet 1 </ b> H whose front is covered with a transparent face and a liner is formed on the inner surface, a monocular display 2 disposed in front of the left eye, a chin It is comprised from the infrared camera 3 arrange | positioned at the right side of a part, and the electronic component unit 4 incorporated in the head top vicinity in the helmet 1H.

  In this abnormality exploration support apparatus, the display 2 can be lifted up to an upper position away from the line of sight around the axis 21 in the helmet 1H. In addition, the movement in the helmet 1 of the display 2 is good also as a form which carries out a parallel movement etc. according to a guide rail.

[About other embodiments]
(1). As shown in FIG. 6, it is preferable to arrange the infrared camera 3 and the display 2 within the outline of the front view when the helmet 1H is mounted on the human head. In this embodiment, as shown in the figure, the electronic component unit 4 may be housed on a virtual center line in the vicinity of the top of the helmet 1H. In this form, when passing through a narrow place, the possibility that the infrared camera 3 collides with an obstacle and breaks is low, and the moment force generated at the neck is small (2). As shown in FIG. 7, a helmet 1 </ b> H can include a display 2, an infrared camera 3, and an electronic component unit 4. Even in this case, the same effect as in the embodiment of FIG. 6 is obtained.
(3). It is preferable that the infrared camera 3 is disposed on a virtual center line (for example, the center of the forehead) that divides the front of the human head into left and right. With this configuration, the weight balance between the front and right is good, and the burden on the neck of the wearer is small.
(4). As shown in FIG. 6, it is preferable to arrange the infrared camera 3 in the vicinity of the jaw. With this configuration, the burden on the neck can be reduced.
(5). As shown in FIG. 8, an infrared camera 3 is disposed at a position off the display 2 in front view, and an image captured by the infrared camera 3 is optically (or electrically) transformed to the display 2 at the eye position by optical coordinate conversion. It is preferable to adopt a configuration for reproducing. In this form, there is almost no difference between the real image seen with the naked eye and the image on the display imaged by the infrared camera 3. Note that the electrical coordinate conversion referred to here is the following coordinate conversion formula (example of vertical case) when the camera and the eye are out of position.
y = (b−h) ÷ [rtanφ / (N / 2)]
= {[(Rtanθ) / (N / 2)] × d−h} × [(N / 2) / rtanφ]
= [(Tan θ / tan φ) × d] − {[h × (N / 2)] / rtan φ}
x = a ÷ [rtanφ ′ / (M / 2)]
= (Tan θ ′ / tan φ ′) × c
Based on the above, the pixel (c, d) of the camera is changed to the pixel (x, y) of the display image, thereby converting the camera image into data, and electronically enlarging or reducing and trimming (FIG. 14 and FIG. 14). FIG. 15).
(6). As shown in FIG. 9, it is preferable that the infrared camera 3 can be attached to and detached from the helmet 1H with one touch. With this configuration, the burden on the neck due to the weight of the infrared camera 3 can be kept low at the time of separation, and on the other hand, an internal state such as a hole smaller than the overall system size can be imaged as a handy type camera.
(7). As shown in FIG. 10, it is preferable that the infrared camera 3 and the display 2 are arranged on the same side with respect to a virtual center line that divides the front of the human head into left and right. With this configuration, the perspective and directionality can be made closer to reality by matching the viewing angle direction of the monocular display 2 with the direction in which the infrared camera 3 faces.
(8). As shown in FIGS. 11 to 13, the display 2 is moved to another position so as not to obstruct the field of view except when in use by adopting a form in which the display 2 is rotated with respect to the fixed shaft 21. You can make it. With this configuration, it can be moved to another position so as not to obstruct the field of view except during use, so that the situation can be easily confirmed with both eyes.
(9). The front surface of the helmet 1H is preferably shielded by a transparent resin plate, and the inner surface of the shield and the surface of the display 2 are preferably subjected to anti-fogging processing.
(10). In the embodiment described above, the display 2 is monocular, but it may be binocular.
(11). The type of the infrared camera 3 may use any of far infrared rays, middle infrared rays, and near infrared rays. What is necessary is just to select an optimal thing according to the content of work.
(12). As the display 2, any of a non-transmission type, a see-through type, and a see-around type may be adopted.
(13). The wireless data transfer device is not absolutely indispensable and can be added as necessary.
(14). You may make it add the function to display the command information from a remote place on the display 2, and the function to receive an instruction | indication audibly to a wireless data transfer apparatus.
(15). It is preferable that at least one of the camera control device, the wireless data transfer device or the battery, and the infrared camera are arranged so that the center of gravity is on the virtual center line of the face protection device or the helmet. With this configuration, the weight balance between the left and right views is good, and the burden on the neck of the wearer is small.
(16). The configurations shown in (1) to (15) are mainly described with respect to the helmet 1H. However, if possible, the configuration can be adopted for a face protection device such as the goggles type 1G or the fire fighting face 1.

1 Fire fighting face 1 (face protection)
1G goggles (face protection)
1H Helmet 2 Display 3 Infrared camera 4 Electronic component unit 40 Camera control device 41 Wireless data transfer device

Claims (8)

In an anomaly detection support device comprising a face protection device or a helmet provided with an infrared camera and a display that is positioned in front of the eye and that reproduces the image captured by the infrared camera at least when the infrared camera is used, An abnormality exploration support device, which is disposed on an extension line of a connecting line and in the vicinity of one eye. A virtual center of a face protector or a helmet in an anomaly search support device comprising an infrared camera and a display that is positioned in front of the eye and that reproduces images captured by the infrared camera when the infrared camera is used. An abnormality exploration support device, characterized in that an infrared camera is arranged so that the center of gravity is on the line. In an anomaly search support device comprising an infrared camera and a display that is positioned in front of the eye and that reproduces an image captured by the infrared camera at least when the infrared camera is used in a face protector or a helmet, the infrared camera An abnormality exploration support device, characterized in that it is arranged near the jaw. In an anomaly search support device comprising an infrared camera and a display for reproducing an image captured by the infrared camera, which is positioned in front of the eye at least when the infrared camera is used, on a face protection device or a helmet, a position deviated from the display in front view And an infrared camera, and an image obtained by the infrared camera is reproduced on the display at the eye position by optical or electrical coordinate conversion. 5. A wireless data transfer device for wirelessly transmitting a video signal of an infrared camera to a wireless receiver installed at a remote place on a face protection device or a helmet. The anomaly search support device described. The anomaly search according to any one of claims 1 to 4, wherein a front surface of the face protection device or the helmet is shielded, and an inner surface of the shield and a surface of the display are subjected to anti-fogging processing. Support device. The abnormality search support apparatus according to claim 1, further comprising an adjustment mechanism for adjusting a visual field position and a visual field angle of the display. At least one of a camera control device, a wireless data transfer device or a battery is provided on the face protector or helmet, and the camera control device or wireless data transfer is such that the center of gravity is on the virtual center line of the face protector or helmet. The anomaly search support apparatus according to claim 2, wherein at least one of the apparatus and the battery and an infrared camera are arranged.

Images