WO2023140522A1 - Pistolet laser haute puissance à focalisation active - Google Patents

Pistolet laser haute puissance à focalisation active Download PDF

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Publication number
WO2023140522A1
WO2023140522A1 PCT/KR2022/021364 KR2022021364W WO2023140522A1 WO 2023140522 A1 WO2023140522 A1 WO 2023140522A1 KR 2022021364 W KR2022021364 W KR 2022021364W WO 2023140522 A1 WO2023140522 A1 WO 2023140522A1
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WO
WIPO (PCT)
Prior art keywords
laser
coupled
bracket
central
main panel
Prior art date
Application number
PCT/KR2022/021364
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English (en)
Korean (ko)
Inventor
김도준
유승하
Original Assignee
커넥서스원(주)
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 커넥서스원(주) filed Critical 커넥서스원(주)
Publication of WO2023140522A1 publication Critical patent/WO2023140522A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H13/00—Means of attack or defence not otherwise provided for
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers

Definitions

  • the present invention relates to an active focus high power laser gun, and more particularly, to an active focus high power laser gun capable of amplifying and radiating a beam without passing through an optical system distorted by heat by arranging a plurality of fiber laser units at the center and circumference of a plate, and adjusting the radiation angle of the fiber laser unit by driving an eccentric cam with an NC servo motor so that the focal length of a beam generated by the fiber laser unit is adjusted.
  • a laser beam is synthesized through a lens or prism, and heat is accumulated in the lens or prism to deform transmittance of the lens or prism, so that the original function may not be accurately performed.
  • a laser beam for tracking is projected to observe and track the front area, and the high-power laser is irradiated to the front target.
  • this optical system is a method of acquiring an image of the front area (including a laser pointing point) while radiating a laser forward through a telescope
  • the telescope used is limited in that aberrations must be corrected for the laser wavelength and visible light region and transmittance must be high. Therefore, in order to correct aberrations, a reflective telescope composed of a combination of optical glasses having different refractive indices and dispersion coefficients is mainly used.
  • Korean Patent Publication No. 10-2015-0071420 (June 26, 2015) discloses a laser tracking and aiming optical system equipped with multiple telescopes.
  • the first dichroic beam splitter 20, the first reflector 30, and the second dichroic beam separator 50 provided in the optical path of the irradiation laser of the laser telescope 70 and the optical path of the image optical signal of the imaging telescope 90 make two optical paths the same path, making a part of the optical path coincide even though they are separated from each other, and controlling the two optical axes in the first reflector 30 Since the high-speed scanning reflector-type drive device 40 is provided, the same optical axis control effect as in the case of using one telescope can be obtained, and in particular, by separating the laser telescope 70 and the imaging telescope 90, the optical system can be designed according to the user's needs by applying a separate telescope structure and coating according to the used laser wavelength and the used laser output.
  • the high-power laser beam is synthesized through a prism or lens. Due to the transmittance of the lens or prism through which the beam passes, heat is accumulated inside the lens or prism, which deforms the lens and prism and easily loses its original function.
  • the present invention was created to solve the problems of the prior art as described above, and an object of the present invention is to provide an active focus high power laser gun capable of irradiating a high power laser beam by actively controlling the focal length by arranging a plurality of fiber laser units at the center and circumference of a plate and having an eccentric cam for adjusting the focal length of the fiber laser unit.
  • An active focus high-power laser gun for achieving the above object is provided with a main panel mounted with a plurality of fiber laser units, and a pan tiltrotator coupled to the lower part of the main panel so that the main panel can rotate left and right and tilt up and down,
  • the fiber laser unit is divided into a central unit coupled to the center of the main panel and a plurality of outer units coupled at regular intervals on a circumference spaced apart from the central unit by a predetermined distance,
  • the outer unit includes a fixed bracket coupled to the main panel, a rotating shaft coupled to a self-aligning ball bearing coupled to the fixed bracket and rotated, a laser rotating bracket having a lower surface coupled to the central upper surface of the rotating shaft, a fiber laser coupled to one side of the laser rotating bracket, an eccentric cam that rotates in contact with one side of the laser rotating bracket so that the laser rotating bracket is tilted at a predetermined angle, and an NC server motor reducer that drives the eccentric cam; It is characterized in that it consists of a spring support for supporting the other side of the laser rotation bracket to face the eccentric cam.
  • the central unit is provided with a central bracket coupled to and fixed to the main panel, and a central fiber laser coupled to and fixed to the central portion of the central bracket, and the central bracket further includes an infrared laser lighting device for performing night operations, a precision camera for object recognition, tracking and recording, and a distance measuring device using a laser.
  • the pantyltro data is made up of a panel tiling axis provided on both sides, and the vomide zone combined with the central bottom portion of the upper and lower tiling utensils, the upper and lower tilting utensils are provided on both sides, and the upper and lower tiling utensils are provided in the upper and lower tiling utensils. It is characterized in that a wiring extension hole is provided up and down so that the wire is wiring.
  • the spring support is composed of a spring plunger in contact with the laser rotation bracket, a support body in which a spring for transmitting elastic force to the spring plunger is recessed, and a pressure adjusting bolt coupled to the rear surface of the support body and rotated to adjust the elastic force of the spring.
  • the fixing bracket is characterized in that a height adjustment bolt for adjusting the separation distance from the main panel during rotation, and a fixing bolt for fixing a coupling position coupled to the main panel.
  • the outer unit is characterized in that it is stacked and combined at equal intervals on a plurality of circumferences having different radii around the central unit.
  • the active focus high power laser gun according to the present invention has the following effects.
  • a plurality of fiber laser units are provided on the main panel to be configured to aim at one target, so that a high-output laser beam is easily generated than a laser gun using an optical system, and the destructive power is increased.
  • the focal length can be more precisely adjusted
  • a height adjustment bolt capable of changing the inclination by adjusting the separation distance from the main panel and a fixing bolt fixing the position on the main panel are provided, so that calibration can be performed more precisely in the production process
  • FIG. 1 is a diagram illustrating a laser tracking aiming optical system equipped with multiple telescopes according to the prior art
  • FIG. 2 is a perspective view of an active focusing high power laser gun according to the present invention.
  • FIG. 3 is a view illustrating an outer unit among fiber laser units according to the present invention.
  • FIG. 4 is a view illustrating a central unit according to the present invention.
  • FIG. 6 is a diagram explaining the calculation of the focal length of the active focusing high power laser gun of the present invention.
  • FIG. 7 is a diagram illustrating a coupled state of outer units according to another embodiment of the present invention.
  • the active focus high power laser gun includes a main panel 20 on which a plurality of fiber laser units 10 are mounted, and a pan tiltrotator 30 coupled to the lower part of the main panel 20 so that the main panel 20 rotates left and right and tilts up and down, and can be mounted and operated in a vehicle or a scissor lift.
  • the pan tiltrotator 30 aims at a target by rotating the main panel 20 up, down, left and right while being fixed to a vehicle or a scissor lift.
  • the fiber laser unit 10 is divided into a central unit 11 coupled to the center of the main panel 20 and a plurality of outer units 12 coupled at equal intervals on a circumference spaced apart from the central unit 11 by a predetermined distance, and the main panel 20 may be configured in various shapes such as a disk shape or a rectangle.
  • the outer unit 12 includes a fixed bracket 12a coupled to the main panel 20, a rotating shaft 12b coupled to a self-aligning ball bearing 121 coupled to the fixed bracket 12a and rotated, a laser rotating bracket 12c having a lower surface coupled to an upper central surface of the rotating shaft 12b, and a fiber laser 12d coupled to one side of the laser rotating bracket 12c. ), an eccentric cam 12e that rotates in contact with one side of the laser rotation bracket 12c so that the laser rotation bracket 12c tilts at a predetermined angle, an NC server motor reducer 12f that drives the eccentric cam 12e, and a spring support 12g that supports the other side of the laser rotation bracket 12c opposite to the eccentric cam 12e.
  • the spring support member 12g transmits an elastic force so that the eccentric cam 12e is in close contact with one side of the laser rotation bracket 12c at a position opposite to the eccentric cam 12e.
  • a harmonic-drive reducer which is a kind of planetary gear reducer with little back-lash.
  • the laser cannon of the present invention can be operated in a multi-focus mode by dividing the outer unit 12 into two or three parts by adjusting the irradiation angle of the eccentric cam 12e by respectively controlling the NC server motor reducer 12f, and for such precise operation, the alignment of the laser rotation bracket 12c constituting the outer unit 12, the eccentric cam 12e, and the fiber laser 12d becomes very important.
  • the alignment state of the fiber laser 12d is corrected using the calibration target C during production.
  • the central unit 11 is provided with a central bracket 11a coupled to and fixed to the main panel 20, and a central fiber laser 11b coupled to and fixed to the central portion of the central bracket 11a.
  • the central bracket 11a further includes an infrared laser lighting device 11c for night operation, a precision camera 11d for object recognition, tracking and recording, and a distance measuring device 11e using laser. are provided That is, the tracking target is tracked based on the central fiber laser 11b of the central unit 11, the distance to the target is calculated from the distance measuring device 11e, and the irradiation angle of the outer unit 12 is adjusted to irradiate the laser beam.
  • the pan tilt rotator 30 includes a vertical tilting member 31 provided on both sides of the main panel 20 with panel tilting shafts 31a coupled to the extended panel shafts 21, and a rotator support 32 coupled to the central bottom portion of the vertical tilting member 31 so that the vertical tilting member 31 can rotate left and right,
  • a wiring extension hole 33 penetrating vertically is provided in the center of the vertical tilting sphere 31 and the rotator support 32 so that an optical path extending to the outside and a control wire are wired, so that it can be connected to and controlled by a laser generator mounted on an external car and scissor lift.
  • the spring support 12g is composed of a spring plunger 123 in contact with the laser rotation bracket 12c, a support body 124 in which a spring for transmitting elastic force to the spring plunger 123 is recessed, and a pressure adjusting bolt 125 coupled to the rear surface of the support body 124 and rotated to adjust the elastic force of the spring, thereby delivering a constant elastic force to the laser rotation bracket 12c.
  • the fixing bracket 12a is provided with a height adjusting bolt 126 for adjusting the separation distance from the main panel 20 during rotation, and a fixing bolt 127 for fixing a coupling position coupled to the main panel 20, so that an area that cannot be adjusted by the eccentric cam 12e can be adjusted through the height adjusting bolt 126 and the fixing bolt 127.
  • the calibration target is separated from the laser gun at a distance of about 20 to 50 m, and the collimator (not shown) coupled to the front end of the fiber laser 12d is separated and replaced with a low-power visible ray laser generator. Then, the alignment state of the fiber laser 12d is corrected based on whether or not the target point of the calibration target is reached by adjusting the slope of the visible ray.
  • the outer units 12 are stacked and combined at equal intervals on a plurality of circumferences having different radii around the central unit 11 .
  • the outer unit 12 may be formed by stacking a plurality of clusters having the same radius with the central unit 11 as a starting point, and the distance between the outer units 12 may be rotated at a predetermined angle and arranged at equal intervals.
  • the action of the active focus high power laser gun according to the present invention having the above configuration is as follows.
  • the active focus high power laser gun can overcome the limitation of synthesizing a high power laser beam using a lens or prism by adjusting the irradiation angle of the fiber laser 12d of the outer unit 12. That is, the central unit 11 and the outer unit 12 meet at one point (focal point) to generate a laser beam capable of generating high output of tens of kW to hundreds of kW.
  • the gradient (inclination) of the laser beam irradiated from the fiber laser 12d is adjusted by controlling the rotation angle of the eccentric cam 12e, which can be calculated through the following equation, through which the rotation angle of the eccentric cam 12e is controlled.
  • A is the rotation angle of the eccentric cam 12e. Therefore, the displacement amount ( ⁇ ) can be changed up to twice the maximum eccentric amount (E c ).
  • d is the orthogonal distance from the center of the rotation axis 12b of the laser rotation bracket 12c to the center of the fiber laser 12d in a state in which the fiber laser 12d is aligned.
  • D is the distance between the center of the main panel 20 and the outer unit 12.
  • the distance detected by the distance measuring device 11e of the central unit 11 to the target object can be replaced with the focal length. That is, it is possible to control the rotation angle A of the eccentric cam 12e based on the detection distance so that the laser beam is irradiated to the target object.
  • the function of adjusting the irradiation angle through the amount of displacement ⁇ of the eccentric cam 12e classifies the plurality of outer units 12 into clusters and controls the irradiation angle, so that the laser beam can be irradiated by aiming at not only one target but also multiple targets.
  • the active focusing high-power laser gun according to the present invention can hit multiple targets by controlling the rotation angle A of the eccentric cam 12e, and can more easily destroy an important target by concentrating a high-power laser beam on one target.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Laser Beam Processing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

Un pistolet laser haute puissance à focalisation active de la présente invention peut non seulement irradier des faisceaux laser haute puissance par commande des angles d'irradiation d'une pluralité d'unités laser à fibre (10) par réglage de l'angle de rotation d'une came excentrique (12e), mais peut également détruire facilement de multiples cibles par irradiation de division par les unités laser à fibre (10).
PCT/KR2022/021364 2022-01-20 2022-12-27 Pistolet laser haute puissance à focalisation active WO2023140522A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220008569A KR102386195B1 (ko) 2022-01-20 2022-01-20 능동초점 고출력 레이저 포
KR10-2022-0008569 2022-01-20

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WO2023140522A1 true WO2023140522A1 (fr) 2023-07-27

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PCT/KR2022/021364 WO2023140522A1 (fr) 2022-01-20 2022-12-27 Pistolet laser haute puissance à focalisation active

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102386195B1 (ko) * 2022-01-20 2022-04-14 커넥서스원(주) 능동초점 고출력 레이저 포

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012230414A (ja) * 2000-07-10 2012-11-22 Corporation For Laser Optics Research 帯域幅強調によるスペックル低減のためのシステム及び方法
JP2012247550A (ja) * 2011-05-26 2012-12-13 Omron Corp ファイバ保持具およびファイバレーザ装置
KR101449427B1 (ko) * 2013-06-17 2014-10-13 (주)포인트닉스 치과용 x선 촬영 장치에 사용되는 레이저빔 조사 모듈
JP2017219627A (ja) * 2016-06-06 2017-12-14 株式会社フジクラ コンバイナ及びレーザシステム
KR102192119B1 (ko) * 2019-07-10 2020-12-16 국방과학연구소 레이저 발사 광학계
KR102386195B1 (ko) * 2022-01-20 2022-04-14 커넥서스원(주) 능동초점 고출력 레이저 포

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012230414A (ja) * 2000-07-10 2012-11-22 Corporation For Laser Optics Research 帯域幅強調によるスペックル低減のためのシステム及び方法
JP2012247550A (ja) * 2011-05-26 2012-12-13 Omron Corp ファイバ保持具およびファイバレーザ装置
KR101449427B1 (ko) * 2013-06-17 2014-10-13 (주)포인트닉스 치과용 x선 촬영 장치에 사용되는 레이저빔 조사 모듈
JP2017219627A (ja) * 2016-06-06 2017-12-14 株式会社フジクラ コンバイナ及びレーザシステム
KR102192119B1 (ko) * 2019-07-10 2020-12-16 국방과학연구소 레이저 발사 광학계
KR102386195B1 (ko) * 2022-01-20 2022-04-14 커넥서스원(주) 능동초점 고출력 레이저 포

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