CN106448748A - Laser aiming positioning device - Google Patents

Laser aiming positioning device Download PDF

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Publication number
CN106448748A
CN106448748A CN201610793917.0A CN201610793917A CN106448748A CN 106448748 A CN106448748 A CN 106448748A CN 201610793917 A CN201610793917 A CN 201610793917A CN 106448748 A CN106448748 A CN 106448748A
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China
Prior art keywords
laser
target
single track
motion mechanism
line motion
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Granted
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CN201610793917.0A
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CN106448748B (en
Inventor
敬域堃
王礼权
冯斌
柴向旭
母健
刘东兵
李富全
王芳
向勇
韩伟
李恪宇
贾怀庭
钟伟
张帆
陈旭
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Laser Fusion Research Center China Academy of Engineering Physics
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Laser Fusion Research Center China Academy of Engineering Physics
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Priority to CN201610793917.0A priority Critical patent/CN106448748B/en
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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21BFUSION REACTORS
    • G21B1/00Thermonuclear fusion reactors
    • G21B1/11Details
    • G21B1/19Targets for producing thermonuclear fusion reactions, e.g. pellets for irradiation by laser or charged particle beams
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/10Nuclear fusion reactors

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Microscoopes, Condenser (AREA)

Abstract

The invention discloses a laser aiming positioning device, and the device firstly carries out the wavefront correction of a laser beam before laser emission and target shooting of a laser device, secondly enables a laser spot to be precisely located at an impact point set by an experiment target in advance, and finally emits the laser for shooting a target. A protection cabin enables a laser beam target coupling unit and a laser wavefront correction testing unit to be integrated into one body, and a protection door of the protection cabin serves as an access way. The interlocking safety control of the incoming and outgoing movement of the laser beam target coupling unit and the laser wavefront correction testing unit is achieved through an electrical control system. The device is small in size, is simple in structure, is low in cost, is easy to install and correct, does not need a special person to carry out the regular maintenance, and especially can carry out effective self-protection during laser shooting, so as to achieve the long-time reuse. The device is especially suitable for a vacuum target room of the laser device, and is suitable for the laser aiming positioning target shooting in severe environments where an experiment target and a target seat are big and strong electromagnetic interference, a large quantity of high-pressure steam and high-speed fragments are generated during target shooting.

Description

Laser aiming positioner
Technical field
The invention belongs to impulse laser unit laser takes aim at target field and in particular to a kind of laser being placed in vacuum target chamber Aim at positioner.
Background technology
At present, it is necessary to first the focus of laser is accurately directed to experimental test target in advance before impulse laser unit laser target shooting The point of impact position setting, then launches laser again.Domestic 2014.3.26 is disclosed an invention, entitled:Simulation target positions Device, Publication No.:CN102486941B, this invention is related to a kind of simulation for laser fusion target chamber diagnostic device and targets Position device.Other one is 2010.02.17 invention disclosed, entitled:Bundle target coupling sensor, Publication No.: CN100590381C, is related to photoelectric sensor field.Previous item invention, simulation target positioner can realize transporting of simulation target Debug the function of target with high accuracy it is impossible to realize the coupling imaging of laser and target;Latter is invented, bundle target coupling sensor, energy Enough realize laser beam target coupling function well, but target position cannot be transported, and its complex structure, assembly difficulty Greatly, high cost, hold target limited space, need professional periodically use special purpose device (Publication No.:CN102721368B restraints target coupling Close sensor offline precision calibration device and scaling method) carry out off-line calibration.
In laser aid Laser Target System, due within vacuum target chamber target spot adnexa concentrate placed large number of All kinds of diagnostic devices, narrow space, and the various high temperature sputtering things producing when practicing shooting can pollute and damage bundle target coupling biography Sensor and positioning telecontrol equipment, so laser aiming positioner complete laser high-precision aim at positioning function after it is necessary to Carry out effective self-protection, realize reusing for a long time with this;So, this laser aiming positioner must also meet volume Little, structure is simple, low cost, the dress appearance of a school are easy, requires without special messenger's periodic maintenance etc., must also take into account laser wavefront correction simultaneously (the major design function of front control systems is to run the transmitting preparatory stage in laser aid, quickly and accurately to test cell Complete the correction of the static and dynamic wavefront distortion of pulse laser, realize output beam and meet target surface intensity control requirement:100 is micro- >=80% energy is comprised in rice focal spot)), this just makes the range of application of the device in above-mentioned two patents of invention be restricted.
Content of the invention
It is an object of the invention to solving at least the above and/or defect, and provide at least will be described later excellent Point.
In order to realize according to object of the present invention and further advantage, there is provided a kind of laser aiming positioner, bag Include:
Fragment protective storehouse, is provided with the first single track straight-line motion mechanism and the second single track straight-line motion mechanism in it;
Laser wavefront correction test cell, it passes through the first single track straight-line motion mechanism and drives and transport along the first single track straight line The flexible fragment protective storehouse that comes in and goes out of the axis of motivation structure;
Laser beam target coupling unit, it passes through the second single track straight-line motion mechanism and drives and along the second single track linear motion machine The flexible fragment protective storehouse that comes in and goes out of the axis of structure;
Electric control system, its connect respectively and control laser beam target coupling unit, laser wavefront correction test cell, One single track straight-line motion mechanism and the second single track straight-line motion mechanism;
Wherein, before laser target shooting, control the first single track straight-line motion mechanism and the second single track linear motion are first passed through Laser wavefront correction test cell and laser beam target coupling unit are stretched out fragment protective storehouse by mechanism, then carry out laser wave successively Front correction test is checked and is coupled debugging with laser beam target, to guarantee laser focal spot quality and laser target shooting precision.
Preferably, described laser aiming positioner also includes:
Support positioning element, it is connected with the rear end in described fragment protective storehouse, described support positioning element is arranged on vacuum On target ball flange, and the vacuum sealing with vacuum target ball flange;It is provided with alignment pin, itself and vacuum on described support positioning element Dowel hole on target chamber flange matches and realizes whole laser aiming positioner quick high accuracy dismounting reset function;Described Support and be provided with vacuum air plug on positioning element, it is with laser beam target coupling unit, laser wavefront correction test cell, first single The cable of rail straight-line motion mechanism and the second single track straight-line motion mechanism connects, and is connected simultaneously to electric control system.
Preferably, described laser wavefront correction test cell is rack-mount, and described support is fixedly mounted on first On the moving slide block of single track straight-line motion mechanism, the cable of described laser wavefront correction test cell is placed on the first drag chain wire casing Interior, the first single track straight-line motion mechanism is arranged on the base in fragment protective storehouse;
Described laser beam target coupling unit is arranged on push rod, and the top of push rod protrudes from laser beam target coupling list Unit;Described push rod is fixedly connected on the moving slide block of the second single track straight-line motion mechanism, described laser beam target coupling unit Cable is placed in the second drag chain wire casing, and the second single track straight-line motion mechanism is arranged on the base in fragment protective storehouse;Described push rod Top be provided with the first rolling bearing.
Preferably, described fragment protective storehouse is provided with protective door, it is connected on fragment protective storehouse by spring;Institute State and protective cover is provided with spring;Described protective door top arranges the second rolling bearing;Protective door is by initial tension of spring all the time In closed mode, additionally need not increase electrical equipment, and spring carries protective cover, prevent spring to be subject to dirt in adverse circumstances Dye and damage.
Preferably, described laser beam target coupling unit is by LED illumination light source, reflective aluminum mirror, bracing frame, camera lens and first CCD camera is constituted;Described laser wavefront correction test cell is by reflecting mirror, the reflecting mirror reflection side being arranged on laser light incident direction To lens and lens transmission direction second CCD camera constitute.
Preferably, the bracing frame of described laser beam target coupling unit is cylinder cavity configuration, is evenly distributed with three in it Jackscrew V, before and after described three jackscrews V can achieve, adjustable range is 25mm, and the adjusting range of angle, θ x is 360 °, and θ y, θ z can To be finely adjusted, often all ± 0.5 ° of one-dimensional angular adjustment amount;Installing plate between described first CCD camera and push rod adopts elongated hole Regulative mode, the regulated quantity making laser beam target coupling unit entirety right position is 5mm.
Preferably, it is provided with five dimension adjustment frames between described laser wavefront correction test cell and support;Described five dimensions By the lower three ply board structure of upper, neutralization, top plate and la m adopt elongated hole I, the structure of elongated hole II, jackscrew I and wire drawing I to adjustment frame Realize the translation adjustment of X, Y bidimensional;Lower plywood be installed on support by arc-shaped slot, which employs four jackscrews II, four Wire drawing II and ball hinged supporting I fabricated structure it is achieved that three-dimensional perspective θ x, θ y, θ z are adjusted, often the equal > of one-dimensional angular adjustment amount ± 2 °, finally with two groups of lock screw fixed positions.
Preferably, described lens are connected on support by one-dimensional pan carriage, described one-dimensional pan carriage adopt elongated hole III, The structure of gathering sill, jackscrew III and wire drawing III, realizes the adjustment of X-direction adjustable range ± 5mm before and after lens.
Preferably, described reflecting mirror is connected on support by two-dimension adjustment frame, described two-dimension adjustment frame two dimension angular Range of accommodation is ± 2 °;Described two-dimension adjustment frame adopts IV, four jackscrews IV of four wire drawings and middle ball hinged supporting II combination knot Structure.
In the present invention, described electric control system controls the first single track straight-line motion mechanism to stretch out, support immediately to Before stretch out, when laser wavefront correction test cell reflecting mirror reach laser light incident light path in, that is, between laser and experimental test target, so Afterwards the laser-bounce of focusing to lens is changed into after directional light, enters the second CCD camera, the second CCD camera is sharp by collect The wavefront parameter of light is transferred to electric control system by Electric Wires & Cables and is analyzed processing.
In the present invention, described laser beam target coupling unit and push rod are in the underface of laser, otherwise can be in the light, and swash Optical focus cannot reach experimental test target surface;But, by one piece of 45 ° of reflective aluminum mirror by 45 ° of visual angles steering horizontal direction, camera lens arrives The distance of target is shorter, takes up room little, imaging clearly, and laser beam target coupling unit is arranged on the normal direction of experimental test target, so Laser beam target coupling unit and laser wavefront correction test cell stagger a position, form twin stack misconstruction (i.e. rank Terraced structure).
In the present invention, described electric control system in control logic it is desirable to push rod be located laser beam target coupling Unit must stretch out prior to laser wavefront correction test cell, be later than laser wavefront correction test cell and withdraw, that is, must be with top Bar realizes the opening and closing of protective door it is impossible to remove to back down or cut out protective door with laser wavefront correction test cell, otherwise, Reflecting mirror can be damaged.
In the present invention, described protective door is closed all the time by initial tension of spring, need not additionally increase electrically Element;And spring carries protective cover, prevent spring to be contaminated in adverse circumstances and damage, cannot close after leading to lose efficacy Door is it is impossible to realize the protection to internal laser beam target coupling unit and laser wavefront correction test cell.Protective door, fragment are prevented Two significant element in storehouse are served effective electromagnetic screen by shield storehouse and the totally-enclosed protection chamber supporting positioning element composition Cover, fragment protective and isolation high steam pollution effect.On the second rolling bearing and push rod on described protective door One rolling bearing, during open and close protective door, will be changed into rolling friction with respect to sliding friction, and resistance is little, reliability is high.
The laser aiming positioner being placed in vacuum target chamber of the present invention, is characterized in including following content:This dress Put by laser beam target coupling unit and its second single track straight-line motion mechanism, laser wavefront correction unit and its first single track straight line Motion, fragment protective storehouse, support positioning element, electric control system, five most of compositions.
Laser beam target coupling unit is arranged on the second single track straight-line motion mechanism, realizes stretching out and withdrawal action.Laser Wavefront correction test cell is arranged on the first single track straight-line motion mechanism, realizes stretching out and withdrawal action.Both are completely by broken Piece protection bin supports to be installed and enclosed package, and two single track linear motion machines realized by the switch of the front end protective door in fragment protective storehouse The stretching out or retract action of structure.The rear end in fragment protective storehouse is connected with supporting positioning element, supports positioning element to be arranged on vacuum On the flange of target ball, above three ingredient horizontal boom will be supported in vacuum target ball, and support the peace of positioning element Dress flange also will realize the vacuum sealing with target ball.
A kind of laser aiming positioner of the present invention adopts single track straight-line motion mechanism, makes movement executing mechanism volume Little;Two single track straight-line motion mechanism twin stack misconstructions, can meet the function of upper strata laser wavefront correction unit, and The function of lower floor's laser beam target coupling unit can be met.The front end protection door in fragment protective storehouse is closed by initial tension of spring, by Push rod on lower floor's single track straight-line motion mechanism backs down.Support the alignment pin on positioning element and the positioning on vacuum target chamber flange Pin-and-hole realizes whole laser aiming positioner quick high accuracy dismounting reset function.
In the present invention, the cable in the first drag chain wire casing and the second drag chain wire casing, the first single track straight-line motion mechanism and The cable of the first single track straight-line motion mechanism, concentrates after collecting, from supporting positioning element inner chamber to pass through, on support positioning element Vacuum air plug 14 be connected, vacuum air plug is connected with electric control system 15 by Electric Wires & Cables.Electric control system 15 controls First and second single track straight-line motion mechanisms and reciprocating motion control, and control school before laser beam target coupling unit and laser wave The realization of the various functions of positive test cell 6;The cable of laser beam target coupling unit is placed in the second drag chain wire casing, before laser wave The cable of correction test cell is placed in the first drag chain wire casing, and drag chain wire casing structure ensure that unit component in motor process, All cables are standardized and orderly, will not be at random, affect normal function.
In the present invention, the first single track straight-line motion mechanism and the second single track straight-line motion mechanism are all using the knot of monorail Structure, so that whole motion compact conformation, takes up room little.
A kind of two single track straight-line motion mechanisms of laser aiming positioner of the present invention are connected with electric control system, Realize moving back and forth and control, cable passes through drag chain wire casing pursuit movement, the cable other end passes through to support the Method for Installation of positioning element Vacuum air plug on orchid is transferred away, is connected with electric control system.Laser wavefront correction test cell and electric control system It is connected, realize laser wave front acquisition and data processing function.Laser beam target coupling unit is also connected with electric control system, realizes Laser spot and experimental test target image acquisition and data processing, realize laser beam target coupling, realize high accuracy and practice shooting.
The present invention at least includes following beneficial effect:Laser beam target is coupled by a kind of laser aiming positioner of the present invention Unit and laser wavefront correction test cell are integrated together, structure is simple, volume compact, low cost, the dress appearance of a school easily, need not be special People's periodic maintenance;And do not limited by holding target space, and protection bin is played good electromagnetism to two significant element in storehouse The protective effect of shielding, fragment protective and high steam isolation, therefore, this device is particularly well-suited to experimental test target and target stand volume is huge Greatly, in the adverse circumstances of a large amount of high steams and the generation of high speed fragment when vacuum target chamber is practiced shooting.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part also will be by this Invention research and practice and be understood by the person skilled in the art.
Brief description:
Fig. 1 is a kind of structure chart of laser aiming positioner of the present invention;
Fig. 2 is the laser aiming positioning schematic of the present invention;
Fig. 3 is reflecting mirror two dimension angular adjustment frame;
Fig. 4 is the one-dimensional pan carriage of lens;
Fig. 5 is five dimensions adjustment frame (top view) of laser wavefront correction test cell CCD camera;
Fig. 6 is five dimensions adjustment frame (lower view) of laser wavefront correction test cell CCD camera;
Fig. 7 is laser beam target coupling unit bracing frame;
In Fig. 1,1. push rod, 2. laser beam target coupling unit, 3. protective door, 4. the second drag chain wire casing, 5. the second single track is straight Line movement mechanism, 6. laser wavefront correction test cell, 7. support, 8. the first drag chain wire casing, 9. the second single track linear motion machine Structure, 10. fragment protective storehouse, 11. support positioning elements, 12. vacuum target chamber flanges, 13. alignment pins, 14. vacuum air plugs, 15. electricity Gas control system.
In Fig. 2,16. experimental test targets, 17. rolling bearings, 18.LED lighting source, 19. reflective aluminum mirrors, 20. bracing frames, 21. Camera lens, 22. first CCD camera, 23. rolling bearings, 24. springs, 25. second CCD camera, 26. lens, 27. reflecting mirrors, 28. Laser, 29. two-dimentional electric reflector mirrors.
In Fig. 3,30. wire drawings IV, 31. jackscrews IV, 32. ball hinged supportings II
In Fig. 4,33. elongated holes and gathering sill, 34. wire drawings III, 35 jackscrews III
In Fig. 5,36. top plates, 37. elongated holes I, 38 jackscrews I., 39. la ms, 40. elongated holes II, 41. jackscrews
In Fig. 6,42. lower plywoods, 43. wire drawings II, 44. jackscrews II, 45. ball hinged supportings I, 46. lock screws, 47. 5 dimensions Adjustment frame
In Fig. 7,48. jackscrews V.
Specific embodiment:
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to description literary composition Word can be implemented according to this.
It should be appreciated that used herein such as " have ", "comprising" and " inclusion " term do not allot one or many The presence of individual other element or a combination thereof or interpolation.
Fig. 1 shows a kind of laser aiming positioner of the present invention, including:Fragment protective storehouse 10, is provided with it One single track straight-line motion mechanism 9 and the second single track straight-line motion mechanism 5;
Laser wavefront correction test cell 6, it is driven and along the first single track straight line by the first single track straight-line motion mechanism 9 The flexible fragment protective storehouse 10 that comes in and goes out of the axis of motion 9;
Laser beam target coupling unit 2, it is driven by the second single track straight-line motion mechanism 5 and moves along a straight line along the second single track The flexible fragment protective storehouse 10 that comes in and goes out of the axis of mechanism 5;
Electric control system 15, it connects and controls laser beam target coupling unit 2, laser wavefront correction test cell respectively 6th, the first single track straight-line motion mechanism 9 and the second single track straight-line motion mechanism 5;
Wherein, before laser target shooting, control the first single track straight-line motion mechanism 9 and the second single track linear motion are first passed through Laser wavefront correction test cell 6 and laser beam target coupling unit 2 are stretched out fragment protective storehouse 10 by mechanism 5, then carry out successively The test of laser wavefront correction is checked and is coupled debugging with laser beam target, to guarantee laser focal spot quality and laser target shooting precision.
In technique scheme, described laser aiming positioner also includes:
Support positioning element 11, it is connected with the rear end in described fragment protective storehouse 10, described support positioning element 11 is installed On vacuum target ball flange 12, and the vacuum sealing with vacuum target ball flange 12;It is fixed to be provided with described support positioning element 11 Position pin 13, it is matched with the dowel hole on vacuum target chamber flange 12;It is provided with vacuum boat on described support positioning element 11 Insert 14, it is with laser beam target coupling unit 2, laser wavefront correction test cell 6, the first single track straight-line motion mechanism 9 and second The cable of single track straight-line motion mechanism 5 connects, and is connected simultaneously to electric control system 15.
In technique scheme, described laser wavefront correction test cell 6 is arranged on support 7, and described support 7 is fixing It is arranged on the moving slide block of the first single track straight-line motion mechanism 9, the cable of described laser wavefront correction test cell 7 is placed on In one drag chain wire casing 8, the first single track straight-line motion mechanism 9 is arranged on the base in fragment protective storehouse 10;
Described laser beam target coupling unit 2 is arranged on push rod 1, and the top of push rod 1 protrudes from laser beam target coupling Unit 2;Described push rod 1 is fixedly connected on the moving slide block of the second single track straight-line motion mechanism 5, and described laser beam target coupling is single The cable of unit 2 is placed in the second drag chain wire casing 4, and the second single track straight-line motion mechanism 5 is arranged on the base in fragment protective storehouse 41; The top of described push rod 1 is provided with the first rolling bearing 17.
In technique scheme, described fragment protective storehouse 10 is provided with protective door 3, it is connected to broken by spring 24 On piece protection bin 10;It is provided with protective cover on described spring 24;Described protective door top arranges the second rolling bearing 23.
In technique scheme, described laser beam target coupling unit 2 is by LED illumination light source 18, reflective aluminum mirror 19, support Frame 20, camera lens 21 and the first CCD camera 22 are constituted;Described laser wavefront correction test cell 6 is by being arranged on laser light incident direction The second CCD camera 25 of reflecting mirror 27, the reflection lens 26 of specular reflection direction and lens transmission direction constitute.
Fig. 2 is laser aiming positioning schematic, and in Fig. 2, it is on 45 ° of target stand that experimental test target 16 is arranged on vertical direction, The normal of experimental test target 16 on target stand and the motion side of the first single track straight-line motion mechanism 9 and the second single track straight-line motion mechanism 5 To in 90 °, laser 28, after surface is reflected through two-dimentional electric reflector mirror 29, focuses on the table inciding experimental test target 16 vertically downward On face, it is in 45 ° with the normal of experimental test target 16.Check it is ensured that swashing it is necessary first to carry out the test of laser wavefront correction before conventional target practice Light focal spot quality.Work process is as follows:Electric control system 15 controls the second single track straight-line motion mechanism 5 to stretch out, and push rod 1 is immediately Forward extend out, the rolling bearing 17 on push rod 1 contacts first and backs down protective door 3, roll in door upper surface and advance, last and anti- Protective door 3 is stretched out after rolling bearing 23 contact on shield door 3;Then rolling bearing 23 continues to roll in push rod 1 lower surface, push rod 1 continues to reach forward the position of experimental test target 16.Then, electric control system 15 controls the second single track straight-line motion mechanism 9 to stretch Go out, support 7 forward extends out immediately, when reflecting mirror 27 reaches in laser 28 input path (between laser 28 and experimental test target 16), so Afterwards the laser 28 of focusing is reflexed to lens 26 to be changed into after directional light, enter the second CCD camera 25, the second CCD camera 25 will be adopted The wavefront parameter of the laser 28 collecting is transferred to electric control system 15 by Electric Wires & Cables and is analyzed processing.School before laser wave After the completion of just, electric control system 15 controls single track straight-line motion mechanism 9 to withdraw, and support 7 withdraws immediately backward, falls back on fragment and prevents In shield storehouse 10.
After the completion of laser wavefront correction test cell 6 test, and then, need to carry out laser beam target coupling debugging it is ensured that Laser target shooting precision.Work process is as follows:Electric control system 15 controls the second single track straight-line motion mechanism 5 accurately to adjust position Put, adjust the brightness of illumination of LED illumination light source 18 simultaneously, make experimental test target 16 and laser 28 focal spot in the first CCD camera 22 On can become the image of complete display, if the luminous point of laser 28 deviate from target practice position it is necessary to the two-dimentional electric reflector of adjustment Mirror 29, luminous point is moved to target practice index point on experimental test target 16 surface, until accurately putting in place, which achieves high accuracy bundle target coupling Close.Laser beam target coupling unit 2 and push rod 1 can not be in the underface of laser 28 as laser wavefront correction test cell 6, no Then can be in the light, laser spot cannot reach experimental test target 16 surface;So, cleverly by one piece of 45 ° of reflective aluminum mirror 19,45 ° are regarded Angle steering horizontal direction, and camera lens 21 is to shorter little, the imaging clearly that takes up room of distance of target, laser beam target coupling unit 2 It is arranged on the normal direction of experimental test target 16, so laser beam target coupling unit 2 and laser wavefront correction test cell 6 stagger one Position, forms twin stack misconstruction (i.e. hierarchic structure).After the completion of laser beam target coupling debugging, electric control system 15 is controlled Single track straight-line motion mechanism 5 processed withdraws, and push rod 1 withdraws immediately backward, and the rolling bearing 23 on protective door 3 is in push rod 1 lower surface Roll, after contacting with the rolling bearing 17 on push rod 1, change and rolled in protective door 3 upper surface by the rolling bearing 17 on push rod 1 Dynamic, protective door 3, under the restoring force of spring 24 acts on, is progressively closed, and thoroughly returns fragment when the rolling bearing 17 on push rod 1 and prevents After in shield storehouse 10, it is drifted apart from protective door 3, protective door 3 completely closes under the active force of spring 24.
In another kind of embodiment, the bracing frame 20 of described laser beam target coupling unit 2 is cylinder cavity configuration, in it uniformly Three jackscrews V 48 are distributed with, before and after described three jackscrews V 48 can achieve, adjustable range is 25mm, the adjusting range of angle, θ x For 360 °, θ y, θ z can be finely adjusted, often all ± 0.5 ° of one-dimensional angular adjustment amount;Described first CCD camera 22 and push rod 1 it Between installing plate adopt elongated hole regulative mode, make laser beam target coupling unit entirety right position regulated quantity be 5mm.
In another kind of embodiment, between described laser wavefront correction test cell 6 and support 7, it is provided with five dimension adjustment frames 47;Described five dimension adjustment frames 47 by upper 36, in 39 and lower 42 three ply board structures, top plate 36 and la m 39 adopt elongated hole I 37, The structure of elongated hole II 40, jackscrew I 38 and wire drawing I realizes the translation adjustment of X, Y bidimensional;Lower plywood 42 is installed to by arc-shaped slot and props up On frame 7, which employs II 44, four wire drawings II 43 of four jackscrews and ball hinged supporting I 45 fabricated structure it is achieved that three-dimensional perspective θ x, θ y, θ z are adjusted, often equal > ± 2 ° of one-dimensional angular adjustment amount, finally with two groups of lock screw fixed positions;
In another kind of embodiment, described lens 26 are connected on support 7 by one-dimensional pan carriage, described one-dimensional pan carriage Using the structure of elongated hole II, gathering sill 33, jackscrew III 35 and wire drawing III 34, realize X-direction adjustable range ± 5mm before and after lens Adjustment.
In another kind of embodiment, described reflecting mirror 27 is connected on support 7 by two-dimension adjustment frame, described two-dimension adjustment Frame two dimension angular range of accommodation is ± 2 °;Described two-dimension adjustment frame adopts four wire drawings IV 30, four jackscrews IV 31 and intermediates Hinged support II 32 combinative structurees.
When laser wavefront correction test cell 6 is debugged first or occurs extremely needing again to debug, need single to this Each composition device of unit is adjusted.Debug process as follows:First CCD camera 25 is installed to the upper strata of five dimension adjustment frames 47 Plate 36, Fig. 5 is five dimensions adjustment frame (top view) of laser wavefront correction test cell CCD camera, and Fig. 6 surveys for laser wavefront correction Five dimensions adjustment frame (lower view) of examination unit CCD camera, top plate 36 is installed to la m 39 by elongated hole I 37, and realizes phase For the translation of la m 39 about Y-directions ± 5mm, then with the position of two jackscrew I 38 locking left and right to top;La m 39 are installed to lower plywood 42 by elongated hole II 40, and realize the translation with respect to X-direction ± 10mm before and after lower plywood 42, Ran Houyong Position before and after two jackscrew 41 lockings to top;Lower plywood 42 is installed to support 7 by arc-shaped slot, still takes four tops (four jackscrews II 44) four draws (four wire drawings II 43), ball hinged supporting I 45 fabricated structure it is achieved that three-dimensional perspective θ x, θ y, θ z Adjust, often equal > ± 2 ° of one-dimensional angular adjustment amount, finally with two groups of lock screw 46 fixed positions.
Then electric control system 15 collects the wavefront image of the laser 28 of the second CCD camera 25, if image is excessive, The one-dimensional pan carriage of lens being accomplished by adjusting Fig. 4 moves to the incident direction of laser 28, unclamps the spiral shell in elongated hole and gathering sill 33 Nail, top (jackscrew III 35) draws (wire drawing III 34), and accurately one-dimensional straight line is adjusted to make lens, in front and back X-direction adjustable range ± 5mm.If image is too small it is necessary to the one-dimensional pan carriage of lens of adjustment Fig. 4 moves to the exit direction of laser 28.
If the wavefront image that electric control system 15 collects the laser 28 of the second CCD camera 25 deviate from the 2nd CCD The imaging surface of camera 25, just explanation laser incident angle is not glancing incidence, and drift angle is excessive it is necessary to adjustment Fig. 3's is anti- Penetrate mirror two-dimension adjustment frame, reflecting mirror two dimension angular is adjustable, range of accommodation is ± 2 °.Draw (wire drawing IV 30) four top (jackscrew using four IV 31), middle ball hinged supporting ball hinged supporting II 32 structure, its compact conformation, regulation reliability, stability are high.This structural point is adjusted Section can achieve Orthogonal modification, adjusts sensitivity higher.The center of the wavefront image of laser 28 is transferred to the one-tenth of the second CCD camera 25 The center of image planes.
If electric control system 15 collects the wavefront image of the laser 28 of the second CCD camera 25 in the second CCD camera It is not circular on 25 imaging surface, but oval, or be not square, but trapezoidal, the one-tenth of the second CCD camera 25 is just described The optical axis out of plumb of image planes and laser 28 is it is necessary to adjustment frame 47 three-dimensional perspective θ x are tieed up in adjustment five, θ y, θ z are adjusted, often one-dimensional angle Degree equal > ± 2 ° of regulated quantity, finally with two groups of lock screw 46 fixed positions.
When laser beam target coupling unit 2 is debugged first or occurred extremely needing again to debug, need each to this unit Individual composition device is adjusted.Debug process as follows:Laser beam target coupling unit 2 is reached target by electric control system 15 first The position of seat, the focusing knob of the camera lens 21 of the first CCD camera 22 is screwed into the centre position of Derivative limit on the left or on the right, then accurately adjusts The centre normal of experimental test target 16 is overlapped with the centre normal of the 45 ° of reflective aluminum mirrors 19 in direction, if misaligned it is necessary to unclamp Fig. 7 Three jackscrews 48 of the bracing frame 20 of laser beam target coupling unit, wherein mirror support can adjustable range be 25mm in front and back, angle The adjusting range of degree θ x is 360 °, and θ y, θ z can carry out small angle vernier adjustable, often all ± 0.5 ° of one-dimensional angular adjustment amount, meanwhile, the Installing plate between one CCD camera 22 and push rod 1 adopts elongated hole regulative mode, makes the overall left and right position of laser beam target coupling unit 2 The regulated quantity put is 5mm.The first CCD camera 22 is enable to collect experimental test target 16 (size:<7mm × 7mm's or φ 7mm is flat Face) complete image, if not fogging clear it is necessary to the focusing knob of rotating lens 21, make image completely clear, be easy to electricity Gas control system 15 carries out image procossing to the focal position center of experimental test target 16 index point and laser 28.
In addition, electric control system 15 in control logic it is desirable to push rod 1 be located laser beam target coupling unit 2 necessary Stretch out prior to laser wavefront correction test cell 6, be later than laser wavefront correction test cell 6 and withdraw, must be realized with push rod 1 The opening and closing of protective door 3 are it is impossible to go to back down or close protective door 3, otherwise, meeting with laser wavefront correction test cell 6 Damage reflecting mirror 27.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in description and embodiment With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily Realize other modification, therefore under the general concept being limited without departing substantially from claim and equivalency range, the present invention does not limit In specific details with shown here as the legend with description.

Claims (9)

1. a kind of laser aiming positioner is it is characterised in that include:
Fragment protective storehouse, is provided with the first single track straight-line motion mechanism and the second single track straight-line motion mechanism in it;
Laser wavefront correction test cell, it passes through the first single track straight-line motion mechanism and drives and along the first single track linear motion machine The flexible fragment protective storehouse that comes in and goes out of the axis of structure;
Laser beam target coupling unit, it passes through the second single track straight-line motion mechanism and drives and along the second single track straight-line motion mechanism The flexible fragment protective storehouse that comes in and goes out of axis;
Electric control system, it connects and controls laser beam target coupling unit, laser wavefront correction test cell, the first list respectively Rail straight-line motion mechanism and the second single track straight-line motion mechanism;
Wherein, before laser target shooting, control the first single track straight-line motion mechanism and the second single track straight-line motion mechanism are first passed through Laser wavefront correction test cell and laser beam target coupling unit are stretched out fragment protective storehouse, then carries out school before laser wave successively Just testing to check and coupling debugging with laser beam target, to guarantee laser focal spot quality and laser target shooting precision.
2. laser aiming positioner as claimed in claim 1 is it is characterised in that also include:
Support positioning element, it is connected with the rear end in described fragment protective storehouse, described support positioning element is arranged on vacuum target ball On flange, and the vacuum sealing with vacuum target ball flange;It is provided with alignment pin, itself and vacuum target chamber on described support positioning element Dowel hole on flange matches;Be provided with vacuum air plug on described support positioning element, its with laser beam target coupling unit, The cable of laser wavefront correction test cell, the first single track straight-line motion mechanism and the second single track straight-line motion mechanism connects, and It is connected simultaneously to electric control system.
3. laser aiming positioner as claimed in claim 1 is it is characterised in that described laser wavefront correction test cell is pacified It is contained on support, described support is fixedly mounted on the moving slide block of the first single track straight-line motion mechanism, school before described laser wave The cable of positive test cell is placed in the first drag chain wire casing, and the first single track straight-line motion mechanism is arranged on the base in fragment protective storehouse On;
Described laser beam target coupling unit is arranged on push rod, and the top of push rod protrudes from laser beam target coupling unit;Institute State push rod to be fixedly connected on the moving slide block of the second single track straight-line motion mechanism, the cable of described laser beam target coupling unit is put In the second drag chain wire casing, the second single track straight-line motion mechanism is arranged on the base in fragment protective storehouse;The top of described push rod It is provided with the first rolling bearing.
4. laser aiming positioner as claimed in claim 1 is it is characterised in that be provided with protection on described fragment protective storehouse Door, it is connected on fragment protective storehouse by spring;It is provided with protective cover on described spring;Described protective door top setting second Rolling bearing.
5. laser aiming positioner as claimed in claim 3 is it is characterised in that described laser beam target coupling unit is by LED Lighting source, reflective aluminum mirror, bracing frame, camera lens and the first CCD camera are constituted;Described laser wavefront correction test cell is by arranging Second CCD camera of the reflecting mirror in laser light incident direction, the lens of reflection specular reflection direction and lens transmission direction is constituted.
6. laser aiming positioner as claimed in claim 5 is it is characterised in that the support of described laser beam target coupling unit Frame is cylinder cavity configuration, is evenly distributed with three jackscrews V in it, and before and after described three jackscrews V can achieve, adjustable range is The adjusting range of 25mm, angle, θ x is 360 °, and θ y, θ z can be finely adjusted, often all ± 0.5 ° of one-dimensional angular adjustment amount;Described Installing plate between one CCD camera and push rod adopts elongated hole regulative mode, makes laser beam target coupling unit entirety right position Regulated quantity is 5mm.
7. laser aiming positioner as claimed in claim 3 it is characterised in that described laser wavefront correction test cell with It is provided with five dimension adjustment frames between support;Described five dimension adjustment frames by the lower three ply board structure of upper, neutralization, adopt by top plate and la m Realize the translation adjustment of X, Y bidimensional with the structure of elongated hole I, elongated hole II, jackscrew I and wire drawing I;Lower plywood is installed with by arc-shaped slot To on support, which employs II, four wire drawings II of four jackscrews and ball hinged supporting I fabricated structure it is achieved that three-dimensional perspective θ x, θ y, θ z are adjusted, often equal > ± 2 ° of one-dimensional angular adjustment amount, finally with two groups of lock screw fixed positions.
8. laser aiming positioner as claimed in claim 5 is it is characterised in that described lens are connected by one-dimensional pan carriage On support, described one-dimensional pan carriage adopts elongated hole III, the structure of gathering sill, jackscrew III and wire drawing III, realizes X side before and after lens Adjustment to adjustable range ± 5mm.
9. laser aiming positioner as claimed in claim 5 is it is characterised in that described reflecting mirror passes through two-dimension adjustment frame even It is connected on support, described two-dimension adjustment frame two dimension angular range of accommodation is ± 2 °;Described two-dimension adjustment frame adopt four wire drawings IV, Four jackscrews IV and middle ball hinged supporting II combinative structure.
CN201610793917.0A 2016-08-31 2016-08-31 Laser aiming positioner Expired - Fee Related CN106448748B (en)

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CN111816331A (en) * 2020-06-16 2020-10-23 哈尔滨工业大学 Controllable freezing target of holding power sign supporting mechanism
CN111816331B (en) * 2020-06-16 2022-06-28 哈尔滨工业大学 Controllable freezing target of holding power sign supporting mechanism
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CN113205739A (en) * 2021-04-15 2021-08-03 中国科学院上海光学精密机械研究所 Laser and micro-channel target collimation adjusting system and collimation adjusting method
CN113205739B (en) * 2021-04-15 2023-02-14 中国科学院上海光学精密机械研究所 Laser and micro-channel target collimation adjusting system and collimation adjusting method
WO2022228418A1 (en) * 2021-04-27 2022-11-03 西安华科光电有限公司 Toggle switch mechanism and stable positioning mechanism

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