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WO2021171630A1 - Appareil d'étalonnage de collimateur et système d'étalonnage de collimateur - Google Patents

Appareil d'étalonnage de collimateur et système d'étalonnage de collimateur Download PDF

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Publication number
WO2021171630A1
WO2021171630A1 PCT/JP2020/008550 JP2020008550W WO2021171630A1 WO 2021171630 A1 WO2021171630 A1 WO 2021171630A1 JP 2020008550 W JP2020008550 W JP 2020008550W WO 2021171630 A1 WO2021171630 A1 WO 2021171630A1
Authority
WO
WIPO (PCT)
Prior art keywords
laser
optical axis
laser beam
aiming
collimation calibration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2020/008550
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English (en)
Japanese (ja)
Inventor
竜也 大川
遠藤　直樹
太樹 関
一茂 福嶋
晋也 牧野
茂次 桐田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kokusai Denki Electric Inc
Original Assignee
Hitachi Kokusai Electric Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Kokusai Electric Inc filed Critical Hitachi Kokusai Electric Inc
Priority to JP2022503062A priority Critical patent/JP7213392B2/ja
Priority to PCT/JP2020/008550 priority patent/WO2021171630A1/fr
Publication of WO2021171630A1 publication Critical patent/WO2021171630A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/26—Teaching or practice apparatus for gun-aiming or gun-laying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/32—Devices for testing or checking

Definitions

  • This disclosure relates to a collimation calibration device and a collimation calibration method.
  • a shooting training device in which aiming glasses are attached to a shooting device having a laser transmitter that transmits laser light that is invisible light, and the aiming direction of the laser transmitter is aligned with the aiming glasses to irradiate the laser light.
  • aiming calibration it is confirmed and adjusted (referred to as aiming calibration) whether or not the aiming glasses are correctly aimed before the shooting training is performed.
  • Prior art documents related to aiming calibration include, for example, Japanese Patent Application Laid-Open No. 2010-117090 and Japanese Patent Application Laid-Open No. 2011-58932.
  • JP-A-2010-117090 Japanese Unexamined Patent Publication No. 2011-58932
  • Patent Document 1 since the optical axis of the invisible laser light is indirectly collimated via the aiming telescope or the visible light laser transmission unit, the optical axis adjustment error of the aiming telescope and the mounting error of the aiming telescope are performed. May occur.
  • Patent Document 2 since it is necessary to arrange a plurality of laser light receiving elements on the collimation calibration plate at a narrow pitch, the configuration of the collimation calibration plate is complicated, and the collimation calibration plate becomes expensive.
  • An object of the present disclosure is to provide a collimation calibration device capable of visualizing the optical axis of an invisible invisible laser beam with high accuracy, easily and in a short time.
  • the collimation calibration device is a laser transmitting device mounted on a launching device and irradiating invisible laser light, a direction adjusting mechanism mounted on the laser transmitting device, and a predetermined distance from the laser transmitting device.
  • a collimation calibration plate installed apart from the collimation calibration plate, an image pickup device for photographing the invisible laser beam irradiated on the collimation calibration plate, and a display device for displaying a photographed image taken by the image pickup device are included. ..
  • the collimation calibration plate includes a reticle for a laser optical axis, and the direction adjusting mechanism is adjusted based on the optical axis of the invisible laser beam displayed on the captured image to obtain the invisible laser beam.
  • the optical axis is aligned with the laser optical axis reticle.
  • the optical axis of the invisible invisible laser beam can be visualized with high accuracy, easily and in a short time.
  • FIG. 1 is a diagram showing a schematic configuration example of a collimation calibration device according to an embodiment.
  • FIG. 2 is an exploded view of a laser transmitter, collimation glasses, and a launcher.
  • FIG. 3 is a graph showing the wavelength of the laser beam.
  • FIG. 4 is a characteristic diagram showing the sensitivity characteristics of the image pickup apparatus.
  • FIG. 5 is a flow chart showing a collimation calibration method.
  • FIG. 6 is a diagram illustrating a display screen of the display device at the time of collimation calibration.
  • FIG. 7 is a diagram illustrating an outline of wireless data transmission using a laser beam.
  • FIG. 1 is a diagram showing a schematic configuration example of the collimation calibration device according to the embodiment.
  • FIG. 2 is an exploded view of a laser transmitter, collimation glasses, and a launcher.
  • FIG. 3 is a graph showing the wavelength of the laser beam.
  • FIG. 4 is a characteristic diagram showing the sensitivity characteristics of the image pickup apparatus.
  • FIG. 5 is a flow chart showing a collimation calibration method.
  • FIG. 6 is a diagram illustrating a display screen of the display device at the time of collimation calibration.
  • FIG. 7 is a diagram illustrating an outline of wireless data transmission using a laser beam.
  • the collimation calibration device 1 is composed of a laser transmission device 10, an aiming device 20, a collimation calibration plate 30, an image pickup device 40, a display device 50, and the like.
  • the laser transmission device 10 is composed of a projector capable of irradiating an invisible laser beam (invisible laser beam) 12. As shown in FIG. 7, which will be described later, the laser transmission device 10 wirelessly transmits the laser beam 12 to which the necessary data is attached to the laser receiver 80 that wirelessly receives the laser beam 12 to laser the data. It is possible to transmit to the receiver 80.
  • the laser transmission device 10 is equipped with a direction adjusting mechanism (hereinafter referred to as an adjusting mechanism) 15.
  • the adjustment mechanism 15 adjusts the direction of the laser optical axis 11 of the laser beam 12 in the vertical direction and the horizontal direction based on the error for collimation calibration, and collimates the laser optical axis 11.
  • the adjusting mechanism 15 is fixed to the aiming device 20 by the fixing portion 13.
  • the fixing portion 13 is composed of, for example, a metal fitting for mounting.
  • the fixing portion 13 has a shape corresponding to the aiming device 20.
  • the aiming device 20 is attached to the launching device 60.
  • the launching device 60 assumes not one specific device but various devices having different shapes and performances, and the launching devices 60 of FIGS. 1 and 2 show an example.
  • the launching device 60 can be, for example, a shooting device (firearm) for training. Since the laser transmission device 10 and the aiming device 20 are attached to the firearm, the firearm is preferably a firearm that is fixedly used rather than a firearm held by a trainee (personnel).
  • the aiming device 20 has an aiming device (hereinafter referred to as aiming glasses) 21 used by a person to aim.
  • the aiming eyeglass 21 is a telephoto optical lens capable of looking into the sight.
  • the aiming glasses 21 is provided with a reticle 20a for aiming glasses, which is, for example, an index of a cross for setting the aim of the laser beam 12.
  • the reticle 20a for aiming glasses indicates the position of the aiming axis 22 of the aiming glasses 21.
  • the telephoto magnification of the aiming glasses 21 varies depending on the launching device 60, but has, for example, a magnification of 5 to 10 times.
  • the collimation calibration plate 30 includes a laser optical axis reticle 31 and an aiming calibration reticle (also referred to as an aiming axis reticle) 32 for collimation calibration of the laser optical axis 11 of the laser transmission device 10.
  • the collimation calibration plate 30 is installed at a desired distance from the laser transmission device 10 and the aiming device 20 on the side where the laser beam 12 is emitted. This desired distance affects the telescopic magnification of the aiming glasses 21, but when looking into the aiming glasses 21, the aiming calibration reticle 32 on the aiming calibration plate 30 is set to a distance that can be visually recognized by the naked eye. preferable.
  • the desired distance is, for example, about 20 m to 30 m.
  • the imaging device 40 is a photographing camera for photographing a laser beam from the laser transmitting device 10 irradiated on the collimation calibration plate 30.
  • the image pickup apparatus 40 is composed of an infrared camera capable of photographing infrared rays or a near infrared camera capable of photographing near infrared rays. In the following description, the image pickup apparatus 40 will be described as a near-infrared camera 40.
  • the display device 50 is an image monitor device that is connected to the near-infrared camera 40 by wire or wirelessly and displays a photographed image taken by the near-infrared camera 40 in real time.
  • the display device 50 is composed of, for example, a personal computer.
  • the laser beam 12 emitted from the laser transmitting device 10 is an invisible laser beam and is invisible to the naked eye
  • the laser optical axis 11 of the laser beam 12 emitted from the laser transmitting device 10 is directly aligned with the laser optical axis. It is impossible to match with the laser reticle 31.
  • the aiming glasses 21 can be built in the laser transmitting device 10, there is a possibility that the aiming calibration between the laser optical axis 11 and the aiming axis 22 can be unnecessary, but the aiming glasses 21 are built in the laser transmitting device 10. It's extremely difficult to get it done.
  • the laser transmission device 10 includes a laser transmission module including an electronic circuit for transmitting a laser beam, and an optical system that delivers the laser beam to a long distance and widens the irradiation range 12a (see FIG. 7) of the laser beam 12. It has a built-in module. Therefore, considering the miniaturization of the laser transmission device 10, it is physically difficult to add the aiming glasses 21 to the laser transmission device 10.
  • the laser beam 12 transmitted from the laser transmission device 10 is irradiated and projected on the collimation calibration plate 30, and the irradiation range of the projected laser beam 12 is photographed by the near-infrared camera 40.
  • the photographed image taken by 40 is displayed on the display screen of the display device 50.
  • the laser optical axis 11 can be visualized on the display screen of the display device 50. Then, by aligning the visualized laser optical axis 11 with the laser optical axis reticle 31 on the collimation calibration plate 30, collimation calibration of the laser optical axis 11 is performed.
  • the wavelength of the laser beam 12 and the sensitivity characteristics of the near-infrared camera 40 will be described.
  • FIG. 3 shows a graph of wavelengths of a laser diode (not shown) that emits a laser beam 12.
  • the wavelength peak of the laser beam 12 shows 905 nm in this example.
  • FIG. 4 shows the sensitivity characteristics of the near-infrared camera 40 with respect to the wavelength, and it can be read that the wavelength of 905 nm is also included in the photographable sensitivity range of the near-infrared camera 40. Therefore, the laser beam having a wavelength peak at 905 nm can be photographed by the near-infrared camera 40.
  • the wavelength of the laser beam to be used can be selected according to the purpose of use, reachable distance, and the like. In this case, the imaging device 40 selects an imaging device such that the wavelength of the selected laser beam is included in the sensitivity range of the imaging device 40.
  • the collimation calibration method includes a "one-point bore sight method” in which the aiming axis 22 of the aiming spectacle 21 and the laser optical axis 11 are calibrated so as to coincide with each other at a certain set distance.
  • a "parallel bore sight method” in which the aiming axis 22 and the laser optical axis 11 are collimated and calibrated so as to be parallel to each other. This embodiment can be used for either method, but in the following description, the collimation calibration method will be described on the premise of the "parallel boresight method".
  • the aiming axis 22 coincides with the aiming calibration reticle 32 displayed on the collimation calibration plate 30, and the laser optical axis 11 coincides with the laser optical axis reticle 31 displayed on the collimation calibration plate 30. It is necessary to adjust each as such.
  • Step S1 First, as shown in FIG. 1, the collimation calibration plate 30 is arranged at a predetermined distance from the laser transmission device 10 mounted on the launcher 60 to prepare for collimation calibration.
  • the theoretical positions of the aiming axis 22 which is the center of the aiming glasses 21 of the launching device 60 and the laser optical axis 11 transmitted from the laser transmitting device 10 are aligned with the laser optical axis reticle 31. It is displayed as a calibration reticle 32.
  • Step S2 the collimation calibration plate 30 is irradiated with the laser beam 12 from the laser transmission device 10 and projected.
  • Step S3 since the aiming spectacles 21 are provided with a reticle 20a for aiming spectacles for personnel to aim, the aiming spectacles 21 are used to match the aiming axis 22 of the aiming spectacles 21 with the reticle 32 for aiming calibration. Let me. That is, by matching the aiming spectacle reticle 20a and the aiming calibration reticle 32, the aiming axis 22 of the aiming spectacle 21 can be matched with the aiming calibration reticle 32.
  • Step S4 the irradiation range 12b of the laser beam 12 projected on the collimation calibration plate 30 is photographed by the near-infrared camera 40, and the photographed image captured by the near-infrared camera 40 is displayed on the display device 50.
  • the laser optical axis 11 can be visualized on the display screen of the display device 50.
  • the laser optical axis 11 is located at the center point of the circular irradiation range 12b of the laser beam 12.
  • the irradiation range 12b of the laser beam 12 is shown in a circle, but the irradiation range 12b has a laser optical axis when the distance between the collimation calibration plate 30 and the laser transmission device 10 is relatively short. It may match 11.
  • FIG. 6 shows an example of a captured image of the near-infrared camera 40 displayed on the display screen of the display device 50.
  • the state A indicates the position of the irradiation range 12b of the laser beam 12 before the collimation calibration
  • the state B indicates the position of the irradiation range 12b of the laser beam 12 after the collimation calibration.
  • the state B shows a state in which the laser optical axis 11 coincides with the laser optical axis reticle 31 provided on the collimation calibration plate 30.
  • Step S5 the adjustment mechanism 15 is adjusted in the vertical and horizontal directions so that the laser optical axis 11 coincides with the displayed laser optical axis reticle 31 provided on the collimation calibration plate 30, and the direction of the laser optical axis 11 is adjusted. adjust. That is, in FIG. 6, the position of the laser optical axis 11 in the state A is moved as shown by the arrow C to be the position of the laser optical axis 11 in the state B. As a result, the laser optical axis 11 is collimated.
  • Wireless data transmission is performed between the laser transmitter 10 and the laser receiver 80 that have been collimated by the above collimation calibration method.
  • the collimation-calibrated laser transmission device 10 transmits a laser beam 12 to which necessary data is added.
  • the laser receiver 80 is configured to receive the laser beam 12 transmitted from the laser transmitter 10 and receive the data.
  • Wireless data transmission is performed over a relatively long distance.
  • the distance L between the laser transmitter 10 and the laser receiver 80 is, for example, about 1000 m, but it may be longer than this.
  • the laser beam 12 has a characteristic that the irradiation range 12a of the laser beam 12 expands in proportion to the irradiation distance.
  • hit means that the laser receiver 80 is located within the irradiation range 12a of the laser beam 12 at the position where the laser receiver 80 is arranged, and the laser receiver 80 correctly receives data. ..
  • FIG. 7 a case where the launching device 60 is changed to, for example, a simulated gun 60 for shooting training will be described.
  • the aiming device 20 including the laser transmitting device 10, the adjusting mechanism 15, and the aiming glasses 21 is attached to the simulated gun 60, and emits the laser beam 12 toward the target to which the laser receiver 80 is attached.
  • shooting training is performed by simulating the firing of a bullet.
  • a trigger (not shown) is attached to the simulated gun 60, and the laser beam 12 is emitted from the laser transmitting device 10 in conjunction with the trigger.
  • the trigger is operated to drive and control the laser transmission device 10, for example, to emit a laser beam 12 including specific information (various information including movement information (time information, status information, etc.)).
  • the aiming glasses 21 aims the firing direction of the bullet fired from the muzzle at the target object, but in this embodiment, the laser beam 12 emitted from the laser transmitting device 10 is targeted by the laser receiver 80. Used to aim at.
  • the laser optical axis 11 can be captured and highly accurate collimation calibration is possible.
  • the collimation calibration device 1 is composed of an image pickup device (near infrared camera) 40 that captures an image of the laser beam 12, a display device 50 that displays the captured image, and a collimation calibration plate 30. Preparation for semi-calibration can be performed easily and in a short time, and collimation calibration work can be performed easily and in a short time.
  • image pickup device near infrared camera
  • the collimation calibration plate 30 only includes a reticle 31 for the laser optical axis and a reticle 32 for aiming calibration, and is inexpensive as compared with a collimation calibration plate in which a plurality of laser light receiving elements are arranged at a narrow pitch. be.
  • the collimation calibration plate 30 should be made of, for example, a material that easily reflects an invisible laser beam (invisible laser beam) 12. Further, the collimation calibration plate 30 is preferably made of a material that polarizes visible light. Further, the laser optical axis reticle 31 and the aiming calibration reticle 32 may be formed on a dark sheet that absorbs all light by cutting out a shape such as a cross and attached to the collimation calibration plate 30 or the target.
  • Collimation calibration device 10 Laser transmitter 11: Laser optical axis 12: Laser beam 15: Direction adjustment mechanism 20: Aiming device 20a: Reticle for aiming glasses 21: Sighting device (aiming glasses) 22: Aiming axis 30: Collimation calibration plate 31: Laser optical axis reticle 32: Aiming calibration reticle 40: Imaging device (near infrared camera) 50: Display device (image monitor device) 60: Launcher (firearm) 80: Laser receiver

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Telescopes (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

L'objectif de la présente invention est de fournir un appareil d'étalonnage de collimateur permettant de visualiser l'axe optique d'un faisceau laser invisible selon une précision élevée, facilement et rapidement. Cet appareil d'étalonnage de collimateur comprend : un transmetteur laser qui est monté sur un émetteur et émet un faisceau laser invisible ; un mécanisme de réglage de direction qui est monté sur le transmetteur laser ; une plaque d'étalonnage de collimateur qui est installée à une distance prédéfinie du transmetteur laser ; un dispositif de capture d'image qui capture une image du faisceau laser invisible irradié sur la plaque d'étalonnage de collimateur ; et un dispositif d'affichage qui affiche l'image capturée par le dispositif de capture d'image. La plaque d'étalonnage de collimateur comprend un réticule pour un axe optique laser, et règle le mécanisme de réglage de direction sur la base de l'axe optique du faisceau laser invisible affiché dans l'image capturée pour aligner l'axe optique du faisceau laser invisible avec le réticule pour l'axe optique laser.
PCT/JP2020/008550 2020-02-28 2020-02-28 Appareil d'étalonnage de collimateur et système d'étalonnage de collimateur Ceased WO2021171630A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022503062A JP7213392B2 (ja) 2020-02-28 2020-02-28 視準校正装置および視準校正方法
PCT/JP2020/008550 WO2021171630A1 (fr) 2020-02-28 2020-02-28 Appareil d'étalonnage de collimateur et système d'étalonnage de collimateur

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PCT/JP2020/008550 WO2021171630A1 (fr) 2020-02-28 2020-02-28 Appareil d'étalonnage de collimateur et système d'étalonnage de collimateur

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116009231A (zh) * 2022-12-15 2023-04-25 江苏缪斯光电科技有限公司 一种用于镭射光学瞄准镜的校准装置
CN119395669A (zh) * 2024-11-07 2025-02-07 南京威翔科技有限公司 一种激光测距机接收光轴的光轴一致性测量方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114046965B (zh) * 2021-11-23 2023-09-05 中国航空工业集团公司洛阳电光设备研究所 一种飞机多型航电设备光轴校准装置及校准方法

Citations (6)

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JPS57164703A (en) * 1981-04-03 1982-10-09 Nec Corp Adjusting method for bore sight
JP2010117090A (ja) * 2008-11-13 2010-05-27 Hitachi Kokusai Electric Inc レーザ送信器の照準調整装置
JP2010216679A (ja) * 2009-03-13 2010-09-30 Hitachi Kokusai Electric Inc 光軸校正装置
JP2011058932A (ja) * 2009-09-09 2011-03-24 Hitachi Kokusai Electric Inc レーザ視準校正システム
US20120030985A1 (en) * 2010-08-04 2012-02-09 Trijicon, Inc. Fused optic
US20120171643A1 (en) * 2011-01-03 2012-07-05 Lockheed Martin Corporation Optical alignment device for a weapon simulator using an optical simulation beam

Family Cites Families (1)

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JP6740453B2 (ja) * 2017-03-10 2020-08-12 株式会社日立国際電気 視準校正装置および視準校正システム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57164703A (en) * 1981-04-03 1982-10-09 Nec Corp Adjusting method for bore sight
JP2010117090A (ja) * 2008-11-13 2010-05-27 Hitachi Kokusai Electric Inc レーザ送信器の照準調整装置
JP2010216679A (ja) * 2009-03-13 2010-09-30 Hitachi Kokusai Electric Inc 光軸校正装置
JP2011058932A (ja) * 2009-09-09 2011-03-24 Hitachi Kokusai Electric Inc レーザ視準校正システム
US20120030985A1 (en) * 2010-08-04 2012-02-09 Trijicon, Inc. Fused optic
US20120171643A1 (en) * 2011-01-03 2012-07-05 Lockheed Martin Corporation Optical alignment device for a weapon simulator using an optical simulation beam

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116009231A (zh) * 2022-12-15 2023-04-25 江苏缪斯光电科技有限公司 一种用于镭射光学瞄准镜的校准装置
CN116009231B (zh) * 2022-12-15 2023-09-22 江苏缪斯光电科技有限公司 一种用于镭射光学瞄准镜的校准装置
CN119395669A (zh) * 2024-11-07 2025-02-07 南京威翔科技有限公司 一种激光测距机接收光轴的光轴一致性测量方法

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