JP2010151747A - Sighting device of infrared sensor - Google Patents
Sighting device of infrared sensor Download PDFInfo
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- JP2010151747A JP2010151747A JP2008332718A JP2008332718A JP2010151747A JP 2010151747 A JP2010151747 A JP 2010151747A JP 2008332718 A JP2008332718 A JP 2008332718A JP 2008332718 A JP2008332718 A JP 2008332718A JP 2010151747 A JP2010151747 A JP 2010151747A
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Abstract
Description
本発明は、投光器と受光器とで構成される赤外線センサーに関するものであり、特に投光器及び受光器の光軸を確認するための照準装置の構造に関するものである。 The present invention relates to an infrared sensor composed of a projector and a light receiver, and more particularly to a structure of an aiming device for confirming the optical axes of the projector and the light receiver.
従来の侵入者を検出する目的で使用されるこの種の赤外線センサーとしては、投光手段を有する投光器と、受光手段を有する受光器とを警戒区間を隔てて対向して設置する形態のものがある。警戒区間を通過する人間（侵入者）は、投光器から発せられている赤外線を遮断することになり、受光器側でこの状態を検出して侵入者検知信号を出力するものである。 As this type of infrared sensor used for the purpose of detecting a conventional intruder, there is a type in which a projector having a light projecting means and a light receiver having a light receiving means are installed facing each other across a warning section. is there. A human (intruder) passing through the warning section cuts off infrared rays emitted from the projector, and detects this state on the light receiver side and outputs an intruder detection signal.
投光器と受光器との警戒区間の距離が、数百ｍとなる赤外線センサーも存在する。警戒区間が長くなる程、適正な検知感度を確保するための光軸調整は難しくなる。従来の赤外線センサーでは、検知光軸の確認を容易にする図１に示すような照準装置が、受光器および投光器に設けられている。 There is also an infrared sensor in which the distance of the warning section between the projector and the light receiver is several hundred meters. The longer the warning interval, the more difficult it is to adjust the optical axis to ensure proper detection sensitivity. In the conventional infrared sensor, an aiming device as shown in FIG. 1 that facilitates confirmation of the detection optical axis is provided in the light receiver and the projector.
従来の照準装置Ｇは接眼透光部１１、対物透光部１２、平面鏡１３とで構成され、対象物Ｒ（対向して設置される投光器または受光器）が、照準装置を通して中心部に位置する方向に角度調整すると、光軸が一致するようにしてある。
投光器と受光器に照準装置を設備し、双方で照準装置を用いた調整をおこない、投光器と受光器の光軸を一致させている。
The conventional sighting device G is composed of an eyepiece translucent section 11, an objective translucent section 12, and a plane mirror 13, and an object R (a projector or a light receiver installed opposite to each other) is located in the center through the sighting apparatus. When the angle is adjusted in the direction, the optical axes coincide with each other.
The projector and the light receiver are equipped with a sighting device, and both are adjusted using the sighting device so that the optical axes of the projector and the light receiver are aligned.
従来の照準装置では、接眼透光部１１および対物透光部１２を丸穴とし、丸穴の周辺から中心に向かう突起を設けたり、中心から放射状に切欠きを設けたりして、透光部の中心が明確になるようにしていた。（例えば、特許文献１参照。）
従来の照準装置では、接眼透光部１１と対物透光部１２を構成する丸穴が小さいため、照準装置として覗きにくくなっており、覗いたときの視野が狭く、使用しにくいものとなっている。
接眼透光部１１および対物透光部１２の丸穴の穴径を大きくすると、視野が広がり、対向して設置した投光器または受光器が視認しやすくなるが、接眼透光部と対物透光部の中心を合わせることが難しくなる。
In the conventional aiming device, since the round holes constituting the eyepiece light-transmitting part 11 and the objective light-transmitting part 12 are small, it is difficult to look into as the aiming device, and the field of view when looking is narrow, making it difficult to use. Yes.
When the hole diameters of the round holes of the eyepiece translucent part 11 and the objective translucent part 12 are increased, the field of view is widened, and it becomes easier to visually recognize the light projector or the light receiver installed opposite to each other. It becomes difficult to align the center of the.
上記課題を解決するため、本発明では照準装置の接眼透光部を直径５ｍｍ前後とし、対物透光部として直径５ｍｍ以上の丸穴を設けた。接眼透光部の丸穴には、周辺から中心に向かう突起あるいは、中心から放射状に外側に向かう切欠きを設け、対物透光部の丸穴の中央部には、リング状の枠を配置した。 In order to solve the above problems, in the present invention, the eyepiece translucent portion of the aiming device has a diameter of about 5 mm, and a round hole having a diameter of 5 mm or more is provided as the objective translucent portion. The round hole of the eyepiece translucent part is provided with a protrusion from the periphery to the center or a notch radially outward from the center, and a ring-shaped frame is arranged in the center of the round hole of the objective translucent part .
接眼透光部と対物透光部の両方を大きくしたので、覗きやすくなり、視野も広くなる。対物透光部の中央にリング状の枠を設けたので、接眼透光部から目を離して視野を絞ったときの照準中心部がわかりやすくなり、接眼透光部と対物透光部の中心を正確に合わすことができる。その結果、対象物を見つけやすくなり、粗調整が効率よく行える。そこから目を遠ざけることにより、接眼透光部と対物透光部の内側に設けたリング状の枠が重なり、より精度の高い光軸調整が可能となる。 Since both the eyepiece translucent part and the objective translucent part are enlarged, it becomes easier to peek and the field of view is widened. Since a ring-shaped frame is provided at the center of the objective light transmitting part, it is easy to see the center of aim when the field of view is narrowed away from the eyepiece transparent part, and the center of the eyepiece transparent part and the objective light transparent part Can be accurately matched. As a result, it becomes easier to find the object, and rough adjustment can be performed efficiently. By keeping an eye away from it, the ring-shaped frame provided inside the eyepiece light-transmitting part and the object light-transmitting part overlaps, and the optical axis can be adjusted with higher accuracy.
従来の照準装置は、小型の投光器・受光器内に装備させるため、接眼透光部と対物透光部の間に平面鏡を配置している。本発明の照準装置は、このような構成のものにも適用可能であるが、本発明の特長をわかりやすくするため、平面鏡を用いない形態をもとに説明する。 In order to equip a conventional sighting device in a small projector / receiver, a plane mirror is disposed between the eyepiece translucent part and the objective translucent part. The aiming device of the present invention can be applied to such a configuration, but in order to make the features of the present invention easier to understand, a description will be given based on an embodiment without using a plane mirror.
図２は、従来の照準装置の構成を示した図である。１１ａは接眼透光部１１を側面から見たものであり、１１ｂは接眼透光部１１を正面から見たものである。１２ａは対物透光部１２を側面から見たものであり、１２ｂは対物透光部１２を正面から見たものである。
接眼透光部１１と対物透光部１２は、距離Ｌを隔てて配置され、それぞれの中心を結ぶ直線の方向がこの照準装置を搭載する投光器または受光器の光軸に平行となるようになっている。
FIG. 2 is a diagram showing a configuration of a conventional aiming device. 11a shows the eyepiece translucent part 11 viewed from the side, and 11b shows the eyepiece translucent part 11 viewed from the front. 12a is a view of the objective light transmitting portion 12 as viewed from the side surface, and 12b is a view of the objective light transmitting portion 12 as viewed from the front.
The eyepiece translucent section 11 and the objective translucent section 12 are arranged at a distance L, and the direction of the straight line connecting the centers of the eyepiece translucent section 11 and the objective translucent section 12 is parallel to the optical axis of the projector or light receiver on which the aiming device is mounted. ing.
距離Ｌは６０ｍｍ前後、接眼透光部１１と対物透光部１２の丸穴の直径は３ｍｍ前後である。Ｅは瞳であり、この位置から照準を覗き、接眼透光部１１と対物透光部１２の丸穴の中心を一致させ、その中心に対象物が来るように方向を調整する。
１４は対象物が照準装置の中に見えている状態を示している。
この照準装置では、接眼透光部１１、対物透光部１２ともに小さいため覗きにくい。また、視野も狭くなっている。
The distance L is around 60 mm, and the diameters of the round holes of the eyepiece translucent part 11 and the objective translucent part 12 are around 3 mm. E is a pupil. Looking at the aim from this position, the centers of the round holes of the eyepiece light transmitting part 11 and the objective light transmitting part 12 are matched, and the direction is adjusted so that the object comes to the center.
Reference numeral 14 denotes a state in which the object is visible in the aiming device.
In this aiming device, both the eyepiece translucent part 11 and the objective translucent part 12 are small, so it is difficult to look into them. The field of view is also narrow.
図３は、従来の照準装置の接眼透光部１１だけを大きくした照準装置の構成を示した図である。この照準装置では、覗きやすくなってはいるが視野は狭いため、対象物を見つけにくく、また接眼透光部と対物透光部の中心も合わせにくい。
図４は、従来の照準装置の接眼透光部１１と、対物透光部１２の両方を大きくし、丸穴とした照準装置の構成を示した図である。この照準装置では、覗きやすくなり、視野も広くなって対象物を見つけやすくなっているが、接眼透光部と対物透光部の中心を合わせにくくなっている。
図３と図４の１５は、瞳Ｅを接眼透光部の周辺部へ移動したときの対象物の照準装置内での見え方を示している。接眼透光部の中心と対物透光部の中心があっていることの確認がしにくいので、照準装置内に対象物が見えていてもその方向が正確に光軸方向と一致しているとは限らない。
FIG. 3 is a diagram showing a configuration of the aiming device in which only the eyepiece translucent portion 11 of the conventional aiming device is enlarged. In this sighting device, although it is easy to peek, since the field of view is narrow, it is difficult to find an object, and it is difficult to align the centers of the eyepiece light transmission part and the object light transmission part.
FIG. 4 is a view showing a configuration of an aiming device in which both the eyepiece light transmitting part 11 and the objective light transmitting part 12 of the conventional aiming device are enlarged to form a round hole. With this aiming device, it is easy to look into and widen the field of view, making it easier to find an object, but it is difficult to align the centers of the eyepiece light transmission part and the object light transmission part.
3 and 4 show how the object is seen in the aiming device when the pupil E is moved to the periphery of the eyepiece translucent part. Since it is difficult to confirm that the center of the eyepiece translucent part and the center of the objective translucent part are located, even if the object is visible in the aiming device, the direction is exactly the same as the optical axis direction. Is not limited.
図５は、本発明の照準装置の構成を示した図である。接眼透光部１１と対物透光部１２の両方を大きくし、接眼透光部１１の周囲に４つの突起を設け、対物透光部の中央部にリング状の枠１６を設けた。
接眼透光部が大きいので、覗きやすくなり、対物透光部も大きいので視野も広いため、対象物を見つけやすく、光軸の粗調整が効率よく行える。また、瞳を接眼透光部から遠ざけると、対物透光部の中央にリング状の枠が、接眼透光部と重なり、視野を絞れるので、対象物を中心に合わせやすくなっている。
図６は、本発明の照準装置の接眼透光部から瞳Ｅを少し離した状態を示した図である。接眼透光部から瞳Ｅを少しずつ離していき、接眼透光部の中心に対物透光部のリング状の枠１６が中央に来るようにし、その中に対象物が見えるように調整すると、その方向が光軸と一致していることになる。
FIG. 5 is a diagram showing the configuration of the aiming device of the present invention. Both the eyepiece translucent section 11 and the objective translucent section 12 are enlarged, four projections are provided around the eyepiece translucent section 11, and a ring-shaped frame 16 is provided at the center of the objective translucent section.
Since the eyepiece translucent part is large, it is easy to look into it, and since the objective translucent part is also large, the field of view is wide, so that it is easy to find the target and the coarse adjustment of the optical axis can be performed efficiently. Further, when the pupil is moved away from the eyepiece translucent part, a ring-shaped frame overlaps with the eyepiece translucent part at the center of the objective translucent part, and the field of view can be narrowed, so that the object can be easily centered.
FIG. 6 is a view showing a state in which the pupil E is slightly separated from the eyepiece translucent portion of the aiming device of the present invention. When the pupil E is gradually separated from the eyepiece translucent part so that the ring-shaped frame 16 of the objective translucent part is at the center of the eyepiece translucent part and adjusted so that the object can be seen in the center, That direction coincides with the optical axis.
接眼透光部の直径は、瞳孔より大きく設定し、覗きやすくした。直径５ｍｍ以上であると従来のもの（直径３ｍｍ前後）よりも大幅に覗きやすくなることが確認できた。視野を広くとるために、対物透光部の直径も直径６ｍｍ程度とした。
接眼透光部１１と対物透光部１２との距離Ｌが６０ｍｍとすると、接眼透光部の中心からみた視野角は、５°以上となり、見やすくなった。
瞳Ｅを照準装置の接眼透光部に近づけて対象物を照準内に来るよう粗調整し、瞳Ｅを接眼透光部から離していくと、接眼透光部によって視野が狭められ、視野の中に存在していた対物透光部のリング状の枠１６が視野の外郭に近づくことになる。この状態は、光軸中心に正確に向いている状態となるので、正確な光軸調整が可能となる。
The diameter of the eyepiece translucent part was set larger than the pupil to make it easier to look into. It was confirmed that when the diameter was 5 mm or more, it was much easier to peep than the conventional one (diameter around 3 mm). In order to take a wide field of view, the diameter of the objective light transmitting part was also set to about 6 mm in diameter.
When the distance L between the eyepiece translucent portion 11 and the objective translucent portion 12 is 60 mm, the viewing angle viewed from the center of the eyepiece translucent portion is 5 ° or more, which makes it easy to see.
When the pupil E is brought close to the eyepiece translucent part of the aiming device and the object is roughly adjusted so as to be within the aim, and the pupil E is moved away from the eyepiece translucent part, the field of view is narrowed by the eyepiece translucent part. The ring-shaped frame 16 of the objective translucent part existing inside approaches the outline of the visual field. In this state, the optical axis is accurately oriented to the center of the optical axis, so that accurate optical axis adjustment is possible.
本発明の実施例では、対物透光部１２の中心のリング状の枠１６を４つの支持棒１７で支えるものであるが、リング状の枠は透明ガラス等に印刷したものでもよい。
また、接眼透光部１１に４つの突起部を設けたが、中心から放射状に外側に向かう切欠きを設けてもよい。
In the embodiment of the present invention, the ring-shaped frame 16 at the center of the objective light transmitting portion 12 is supported by the four support rods 17, but the ring-shaped frame may be printed on transparent glass or the like.
In addition, although the four projections are provided on the eyepiece translucent part 11, cutouts radially outward from the center may be provided.
１１・・・接眼透光部
１２・・・対物透光部
１３・・・平面鏡
１４・・・対象物が照準装置の中に見えている状態
１５・・・瞳Ｅを接眼透光部の周辺部へ移動したときの対象物の照準装置内での見え方
１６・・・リング状の枠
１７・・・支持棒
Ｅ・・・瞳
Ｇ・・・照準装置
DESCRIPTION OF SYMBOLS 11 ... Eyepiece translucent part 12 ... Objective translucent part 13 ... Plane mirror 14 ... State in which the target object is visible in the aiming device 15 ... The pupil E around the eyepiece translucent part How the object is viewed in the sighting device when moved to the part 16 ... Ring-shaped frame 17 ... Support rod E ... Pupil G ... Sighting device
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| JP2008332718A JP5568820B2 (en) | 2008-12-26 | 2008-12-26 | Infrared sensor aiming device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130051903A (en) * | 2011-11-10 | 2013-05-21 | 오프텍스 가부시키가이샤 | Sighting device and security sensor system utilizing such sighting device |
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| JPH0815645A (en) * | 1994-06-28 | 1996-01-19 | Fuji Photo Optical Co Ltd | Sighting spectacles |
| JPH1039043A (en) * | 1996-07-23 | 1998-02-13 | Opt Kk | Crime prevention sensor provided with sighting device |
| JP2002279538A (en) * | 2001-03-19 | 2002-09-27 | Optex Co Ltd | Anticrime sensor device |
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| JPH0815645A (en) * | 1994-06-28 | 1996-01-19 | Fuji Photo Optical Co Ltd | Sighting spectacles |
| JPH1039043A (en) * | 1996-07-23 | 1998-02-13 | Opt Kk | Crime prevention sensor provided with sighting device |
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| KR20130051903A (en) * | 2011-11-10 | 2013-05-21 | 오프텍스 가부시키가이샤 | Sighting device and security sensor system utilizing such sighting device |
| KR101916965B1 (en) | 2011-11-10 | 2018-11-08 | 오프텍스 가부시키가이샤 | Sighting device and security sensor system utilizing such sighting device |
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