CN102608738B - System for emitting and tracking light beams sharing aperture and light path - Google Patents
System for emitting and tracking light beams sharing aperture and light path Download PDFInfo
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- CN102608738B CN102608738B CN 201210091013 CN201210091013A CN102608738B CN 102608738 B CN102608738 B CN 102608738B CN 201210091013 CN201210091013 CN 201210091013 CN 201210091013 A CN201210091013 A CN 201210091013A CN 102608738 B CN102608738 B CN 102608738B
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Abstract
A system for emitting and tracking light beams sharing an aperture and a light path relates to the field of photoelectronic warfare and solves the problems that a tracking device and an emitting device of an existing photoelectronic warfare device are designed independently and more structural parts are arranged, so that the parallel effect of two parallel light paths is poor due to different structure deformations when the environment is changed, and further deviation exists between the target position indicated by the tracking and the target position hit by laser beams. According to the system for emitting and tracking the light beams sharing the aperture and the light path, a laser emitting light path and a tacking light path, which are independent, are combined together, and the depths of parallelism of the light beams are consistent all the time through a combined type reflecting mirror being divided into an emitting inner-ring light path and a receiving outer-ring light path. According to the structure provided by the invention, as the aperture and the path are shared, no more attention needs to be paid to the environment changing resistance of the device, the environmental adaptation of the device is improved, the structure of a system is simplified, and the equipment cost is lowered.
Description
Technical field
The present invention relates to the photoelectronic warfare field, be specifically related to a kind of employing with bore altogether light channel structure realize the Laser emission light beam and target is infrared or visible radiation is followed and taken aim at light beam and be in same light path system.
Background technology
The general features of electro-optical equipment of electronic warfare at first utilizes infrared band detector or visible light wave range TV to realize target detection, recognition and tracking, starts interference or the destruction of disturbing or injuring the class laser instrument that target is carried out specific band then and destroys.Track sight generally adopts passive type to receive in this process, and counterdevice generally adopts the active laser emission.Track sight needs accurately to follow the tracks of fast all the time jamming target, and laser beam emitting device need be followed according to the high precision of track sight and be taken aim at interference or the destruction of finishing target.Passive receiving light path based on this principle track sight need remain highly parallel with the light path of initiatively launching of LASER Intrusion Device, especially the target far away of adjusting the distance is carried out photoelectronic warfare, and the collimation of this strictness has crucial effects for effects of jamming.Existing photoelectronic warfare turntable often adopts the separate mentality of designing of track sight and laser beam emitting device, by the test of debuging in later stage both light path parallels is adjusted.Current this mode exists structure member more, light path parallel is adjusted difficulty, can only realize the opposing parallel of static light path, realize that Different Effects that the structure of two light paths is caused by environmental change factors such as thermal shock shortcoming such as can't eliminate, especially with taking aim at and launching light path because employing independent design and structure member are more, both light paths can be owing to existing different malformation the relatively poor result of collimation to occur when environmental change, at this moment deviation just appears in the target location with the target location of taking aim at indication and laser beam strike, this deviation can be amplification trend along with the increasing of distance, and this is very disadvantageous for concentrated limited energy of lasers high precision strikes target.
Summary of the invention
The present invention adopts track sight and emitter independent design for solving existing photoelectronic warfare device, structure member is more, cause when environmental change both light path parallels owing to existing the different structure distortion collimation weak effect to occur, and then make the problem that just occurs deviation with the target location of the target location of taking aim at indication and laser beam strike, provide a kind of and be total to the light path beam emissions and follow the system that takes aim at bore.
With bore altogether the light path beam emissions with taking aim at system, this system comprise turntable pitching part, the first composite light beam catoptron, the second composite light beam catoptron, the 3rd composite light beam catoptron, turntable orientation part, the 4th composite light beam catoptron, infrared or visible light wave range follow take aim at assembly, target is infrared or visible light wave range beam reflection mirror, turret base and Laser emission assembly; The described first composite light beam catoptron is positioned at the top center position of turntable pitching part, and the second composite light beam catoptron is positioned at the pitch axis spindle nose position of turntable pitching part; Described the 3rd composite light beam catoptron and the 4th composite light beam catoptron are arranged in turntable orientation part, and the 3rd composite light beam catoptron be positioned at the second composite light beam catoptron under, the 4th composite light beam catoptron be positioned at the first composite light beam catoptron under; The described second composite light beam catoptron is with the 3rd the composite light beam catoptron is vertical places, and the second composite light beam catoptron and the 3rd composite light beam catoptron are integral structure; Described the 3rd composite light beam catoptron and the parallel placement of the 4th composite light beam catoptron, and the 3rd composite light beam catoptron and the 4th composite light beam catoptron are integral structure;
Described infrared or visible light wave range with take aim at assembly, target is infrared or visible light wave range beam reflection mirror and Laser emission assembly are positioned at the turret base part; Infrared or the visible light wave range beam reflection mirror of described target is the tilting concave mirror of hollow structure, Laser emission light beam central hole infrared from target or visible light wave range beam reflection mirror is passed, with take aim at light beam converge to infrared after through the infrared or visible light wave range beam reflection mirror reflection of target or visible light wave range with taking aim at the assembly place; The emission bore of described Laser emission assembly be positioned at the 4th composite light beam catoptron center under, the Laser emission light beam at the light-emitting window place of Laser emission assembly for through shaping and expand after light beam.
Beneficial effect of the present invention:
One, the present invention adopts with bore and realizes that with the light path mode Laser emission light path and target are with compoundization of taking aim at light path.Adopt thisly can solve because mechanical part is subjected to environmental change to cause optical path direction offset issue to occur with the bore light path design, and this deviation is embodied in the existing design emission light path and is inconsistent with taking aim in the separate structure of light path.No matter these catoptrons are affected by environment and how to change when adopting with the bore catoptron, the emission light path with remain and be parallel to each other with taking aim at light path, this is very useful for light beam parallelism requires very high photoelectronic warfare system;
Two, employing is total to the light path emission with bore and follows and take aim at the complicacy that light path design can be simplified the photoelectronic warfare device to a certain extent, the difficulty that reduction equipment is debug.Existing electro-optical equipment of electronic warfare often adopts be emission with taking aim at separate structural design.Generally with volume less relatively with the system that takes aim at place emission turntable final reflection mirror above or below, be delivered for use after both light path parallels are debug, this structural volume is relatively large, and structure is relative complex also, unfavorable miniaturization with electro-optical equipment of electronic warfare.Rely on simultaneously debuging of light path realized the parallel of two light paths, the parallel situation of two light paths when needing to consider environmental change, because this various environmental impacts that can not adapt to fully in the equipment use of debuging, make to debug and need the at first final operating position of judgment device in the process, with light path variation equilibrium point affected by environment as the final target of debuging, this has just caused the difficulty debug, and the light path parallel precision after debuging simultaneously can be very not desirable;
Three, employing can guarantee fully that parallel design can reduce the manufacturing cost of system.Existing electro-optical equipment of electronic warfare is that the light path parallel sexual needs after assurance equipment in use also can keep debuging substantially reduce environmental change as much as possible to the influence of light path, select often to select the less expensive materials such as invar of linear expansion coefficient for use at the material of structural members such as catoptron and turntable like this, also need consider the matching of various types of materials simultaneously, this has just brought a lot of restrictive conditions to design.Adopt light path design of the present invention then can reduce these requirements to a certain extent, because the variation of two light paths is consistent all the time, thereby do not exist because environmental impact causes the different problems that both depth of parallelisms are reduced that change of two light paths;
Four, the present invention can improve adaptive capacity to environment and the reliability of system, will all place the environment relative closure with taking aim at emitting module, be subjected to the relative less turret base of ectocine that plurality of advantages is partly arranged.Infrared or the visible light wave range beam reflection mirror of target is positioned at the turret base part, is subjected to extraneous environmental impact very little, therefore since external environment to change this catoptron distortion that causes also very little, this just provides support for the collimation of two light paths.Simultaneously whole track sight is placed turret base inside effectively to shield environmental impact, improve the reliability of this device.
Description of drawings
Fig. 1 is total to light path beam emissions and the light path synoptic diagram of following the system that takes aim at for of the present invention with bore.
Fig. 2 for of the present invention with bore altogether the light path beam emissions with the light path enlarged diagram of taking aim at Laser emission part and tracking aiming light beam receiving unit in the system.
Among the figure: 1, turntable pitching part, 2, the first composite light beam catoptron, 3, the Laser emission light beam, 4, with taking aim at light beam, 5, the second composite light beam catoptron, 6, the 4th composite light beam catoptron, 7, turntable orientation part, the 8, the 3rd composite light beam catoptron, 9, infrared or visible light wave range is followed and is taken aim at assembly, 10, the infrared or visible light wave range beam reflection mirror of target, 11, turret base, 12, the Laser emission assembly.
Embodiment
In conjunction with Fig. 1 and Fig. 2 present embodiment is described, with bore altogether the light path beam emissions with taking aim at system, this system comprise turntable pitching part 1, the first composite light beam catoptron 2, the second composite light beam catoptron 5, the 3rd composite light beam catoptron 8, turntable orientation part 7, the 4th composite light beam catoptron 6, infrared or visible light wave range with take aim at assembly 9, target is infrared or visible light wave range beam reflection mirror 10, turret base 11 and Laser emission assembly 12; The described first composite light beam catoptron 2 is positioned at the top center position of turntable pitching part 1, and the second composite light beam catoptron 5 is positioned at the pitch axis spindle nose position of turntable pitching part 1; Described the 3rd composite light beam catoptron 8 and the 4th composite light beam catoptron 6 are arranged in turntable orientation part 7, and the 3rd composite light beam catoptron 8 be positioned at the second composite light beam catoptron 5 under, the 4th composite light beam catoptron 6 be positioned at the first composite light beam catoptron 2 under; The described second composite light beam catoptron 5 and the 8 vertical placements of the 3rd composite light beam catoptron, and the second composite light beam catoptron 5 and the 3rd composite light beam catoptron 8 are integral structure; Described the 3rd composite light beam catoptron 8 and the 6 parallel placements of the 4th composite light beam catoptron, and the 3rd composite light beam catoptron 8 and the 4th composite light beam catoptron 6 are integral structure; Described infrared or visible light wave range with take aim at assembly 9, target is infrared or visible light wave range beam reflection mirror 10 and Laser emission assembly 12 are positioned at turret base 11 parts.
Infrared or the visible light wave range beam reflection mirror 10 of the described target of present embodiment is the tilting concave mirror of hollow structure, Laser emission light beam 3 central hole infrared from target or visible light wave range beam reflection mirror 10 is passed, with take aim at light beam 4 converge to infrared through targets after infrared or visible light wave range beam reflection mirror 10 reflections or visible light wave range with taking aim at assembly 9 places.
The emission bore of the described Laser emission assembly 12 of present embodiment be positioned at the 4th composite light beam catoptron 6 centers under, the Laser emission light beam at the light-emitting window place of Laser emission assembly 12 3 is for through shaping with the light beam after expanding.
In the present embodiment, attack following of target and take aim at light beam 4 radiation reflex to the second composite light beam catoptron 5 through the outer ring of the first composite light beam catoptron 2 outer ring, by the outer ring of the second composite light beam catoptron, 5 to the 3rd composite light beam catoptrons 8, reflexed to the outer ring of the 4th composite light beam catoptron 6 after its reflection again simultaneously; Be reflected onto on the infrared or visible light wave range beam reflection mirror of target 10 through light beam after the reflection of the 4th composite light beam catoptron 6, final through target infrared visible light wave range beam reflection mirror 10 converges to light beam infrared or visible light wave range with taking aim on the reception bore of assembly 9 finally imaging on CCD.
The Laser emission light beam of launching through the emission bore of Laser emission assembly 12 in the present embodiment 3 is to disturb or injure the laser beam process to expand shaping, be emitted to the inner round portion of the 4th composite reflector 6 through target center pit infrared or visible light wave range beam reflection mirror 10, be incident to the 3rd composite reflector 8 through Laser emission light beam 3 after the reflection of this catoptron, finally by the inner ring reflection of crossing second composite reflector 5 and first composite reflector 2 with Laser emission light beam 3 be transmitted into with taking aim at the central spot of attacking target that light beam 4 aims at, realize the high-precision laser antagonism to target.Because attacking target mostly is moving target, therefore servo-actuated along with the motion of target with taking aim at the emission turntable, in this process, because being positioned at, compound transmitting mirror follows pitching and the orientation part of taking aim at the emission turntable, and this part generally is located immediately in the external environment, therefore this part physical construction is easily affected by environment and distortion occurs, especially above-mentioned four sides composite reflector can occur because the bulk deformation that expands with heat and contract with cold and cause when the turntable external environment influence is inhomogeneous, this distortion can cause traditional split type Laser emission light beam and follow the malalignment of taking aim at light beam, can't have any impact in this structure.Therefore after this light channel structure is being debug, can realize that two light beams under any condition are parallel, this is very significant for high precision photoelectric antagonism equipment.
The present invention with being fused to taking aim at light path, realizes the consistance all the time of two light beam parallelisms with existing separate Laser emission light path by the combined type catoptron that is divided into the emission of inner ring light path and the reception of outer ring light path.Because each reflector position that the variation of external environment easily causes being positioned at the turret base top changes, thereby cause light path under different temperature conditions, especially non-homogeneous environment change to impact and can occur down being offset, and current electro-optical equipment of electronic warfare can only be by selecting the linear expansion coefficient materials with smaller for use, turntable being carried out the not very good passive measure of effect such as environment isolated controlling.Adopt structure of the present invention then because employing is total to bore light path mode altogether, then do not needing too much consideration aspect the anti-environmental change of equipment, therefore can improve the environmental suitability of equipment, simplify structure, the reduction design cost of system simultaneously.
Claims (1)
- With bore altogether the light path beam emissions with taking aim at system, this system comprise turntable pitching part (1), the first composite light beam catoptron (2), the second composite light beam catoptron (5), the 3rd composite light beam catoptron (8), turntable orientation part (7), the 4th composite light beam catoptron (6), infrared or visible light wave range with take aim at assembly (9), target is infrared or visible light wave range beam reflection mirror (10), turret base (11) and Laser emission assembly (12); It is characterized in that the described first composite light beam catoptron (2) is positioned at the top center position of turntable pitching part (1), the second composite light beam catoptron (5) is positioned at the pitch axis spindle nose position of turntable pitching part (1); Described the 3rd composite light beam catoptron (8) and the 4th composite light beam catoptron (6) are arranged in turntable orientation part (7), and the 3rd composite light beam catoptron (8) be positioned at the second composite light beam catoptron (5) under, the 4th composite light beam catoptron (6) be positioned at the first composite light beam catoptron (2) under; The described second composite light beam catoptron (5) and the vertical placement of the 3rd composite light beam catoptron (8), and the second composite light beam catoptron (5) and the 3rd composite light beam catoptron (8) are integral structure; Described the 3rd composite light beam catoptron (8) and the parallel placement of the 4th composite light beam catoptron (6), and the 3rd composite light beam catoptron (8) and the 4th composite light beam catoptron (6) are integral structure;Described infrared or visible light wave range with take aim at assembly (9), target is infrared or visible light wave range beam reflection mirror (10) and Laser emission assembly (12) are positioned at turret base (11) part; Infrared or the visible light wave range beam reflection mirror (10) of described target is the tilting concave mirror of hollow structure, Laser emission light beam (3) central hole infrared from target or visible light wave range beam reflection mirror (10) is passed, and converges to infrared after through the reflection of the infrared or visible light wave range beam reflection mirror (10) of target or visible light wave range is located with taking aim at assembly (9) with taking aim at light beam (4); The emission bore of described Laser emission assembly (12) be positioned at the 4th composite light beam catoptron (6) center under, the Laser emission light beam (3) at the light-emitting window place of Laser emission assembly (12) for through shaping and expand after light beam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210091013 CN102608738B (en) | 2012-03-30 | 2012-03-30 | System for emitting and tracking light beams sharing aperture and light path |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210091013 CN102608738B (en) | 2012-03-30 | 2012-03-30 | System for emitting and tracking light beams sharing aperture and light path |
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| CN102608738A CN102608738A (en) | 2012-07-25 |
| CN102608738B true CN102608738B (en) | 2013-08-21 |
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| CN 201210091013 Expired - Fee Related CN102608738B (en) | 2012-03-30 | 2012-03-30 | System for emitting and tracking light beams sharing aperture and light path |
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| CN104977708A (en) * | 2015-06-29 | 2015-10-14 | 中国科学院长春光学精密机械与物理研究所 | Multi-spectral common-aperture optical system |
| CN109945743B (en) * | 2019-03-25 | 2021-03-16 | 由春华 | Active illumination type synchronous monitoring common-caliber tracking and aiming emission system and method |
| CN111595202A (en) * | 2020-05-29 | 2020-08-28 | 中国科学院长春光学精密机械与物理研究所 | Top-loading type light-weight long-short dual-waveband laser synthesis emitting device for small vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1648765A (en) * | 2004-01-30 | 2005-08-03 | 精工爱普生株式会社 | Illumination device, display device, and projection type display device |
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| CN101614928B (en) * | 2009-07-21 | 2010-12-01 | 中国船舶重工集团公司第七一七研究所 | Mid-infrared parameter oscillator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1648765A (en) * | 2004-01-30 | 2005-08-03 | 精工爱普生株式会社 | Illumination device, display device, and projection type display device |
| US7580603B2 (en) * | 2004-01-30 | 2009-08-25 | Seiko Epson Corporation | Illumination device, display device, and projection type display device |
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