CN104459957B - Refrigeration mode medium-wave infrared and laser bimodulus Shared aperture camera lens - Google Patents
Refrigeration mode medium-wave infrared and laser bimodulus Shared aperture camera lens Download PDFInfo
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- CN104459957B CN104459957B CN201410801337.2A CN201410801337A CN104459957B CN 104459957 B CN104459957 B CN 104459957B CN 201410801337 A CN201410801337 A CN 201410801337A CN 104459957 B CN104459957 B CN 104459957B
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 32
- 230000011514 reflex Effects 0.000 claims abstract description 4
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 abstract description 5
- 230000004899 motility Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 230000004075 alteration Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 230000003471 anti-radiation Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/008—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras designed for infrared light
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Blocking Light For Cameras (AREA)
- Lenses (AREA)
Abstract
The present invention relates to a kind of refrigeration mode medium-wave infrared and laser bimodulus Shared aperture camera lens, its optical system include infrared with laser Shared aperture before organize A, C is organized after group B and laser after infrared, described infrared with laser Shared aperture before organize A and be sequentially provided with plus lens A 1 along light direction, minus lens A 2, plus lens A 3 and spectroscope A 4, described light through infrared with laser Shared aperture before organize A after a road reflex to infrared after organize B, another Reuter organizes C after being mapped to laser, described infrared rear group B is sequentially provided with plus lens B 1 along light direction, reflecting mirror B 2 and plus lens B 3, organize C after described laser and be sequentially provided with plus lens C 1 along light direction, plus lens C 2, reflecting mirror C 3, plus lens C 4, plus lens C 5, optical filter C 6 and plus lens C 7.This camera lens has medium-wave infrared and the reception of laser Shared aperture, high imaging quality, high-resolution, capacity of resisting disturbance is strong, operation motility is strong and fighting efficiency advantages of higher.
Description
Technical field
The present invention relates to a kind of refrigeration mode medium-wave infrared for live tracking measurement and laser bimodulus Shared aperture camera lens, belong to camera lens field.
Background technology
Along with photoelectric interference technology, stealth technology and the development of antiradiation missile technology, single aiming means is owing to being limited by himself physical characteristic, it is difficult to adapt to following complicated battlefield demand.Infrared guidance system can not be found range, be tested the speed, and is easily affected with thermal background emission contrast level and weather by destination properties, target, and operating distance is near, all aspect attack poor-performing；Radar guidance volume is big, quality is big, energy consumption is big, angular resolution rate variance, end can not two-dimensional imaging, there is angle scintillations phenomenon, target recognition difficulty, easily by electromagnetic interference, easily expose self；Laser guidance system is easily affected by cloud, mist, cigarette, it is impossible to round-the-clock use.Therefore, for the shortcoming overcoming single guidance antimode and the limitation used, use multiple control and guide mode can improve the accuracy at target under capacity of resisting disturbance and Complex Battlefield Environments, be provided simultaneously with hitting the ability of plurality of target, improve its operation motility and fighting efficiency.
Multiple control and guide is a kind of aiming means simultaneously using 2 kinds or two or more frequency range or terminal guidance mode to be operated in same guidance section.At present, multiple control and guide technology is most commonly that dual mode guidance technology, mainly includes radar/infrared, radar/TV, ultraviolet/infrared, visible ray/infrared, millimeter wave/infrared, infrared double color, infrared with laser etc..Wherein infrared imaging/Semi-active LASER Compound Guidance Technology is an important branch in this field.Infrared imagery technique has that guidance precision is high, night operating distance remote, spatial resolution is high, highly sensitive, image is directly perceived, it is easy to observe；Environment suitability is better than the features such as visible ray；It is strong that semi-active laser guided technology has guidance precision height, low cost, capacity of resisting disturbance, it is simple to hits the feature of fixing target under complex background；Both compound needs that can meet different combat duty, thus greatly strengthen operation motility, improve the generalization degree of guided missile, it is possible to meet the technical need of a new generation's guided weapon.
Summary of the invention
It is an object of the invention to provide a kind of medium-wave infrared and the reception of laser Shared aperture, high imaging quality, high-resolution, capacity of resisting disturbance is strong, operation motility is strong and fighting efficiency is high refrigeration mode medium-wave infrared and laser bimodulus Shared aperture camera lens.
nullTo achieve these goals，The technical scheme is that a kind of refrigeration mode medium-wave infrared and laser bimodulus Shared aperture camera lens，The optical system of described camera lens include infrared with laser Shared aperture before organize A、C is organized after group B and laser after infrared，Described infrared with laser Shared aperture before organize A and be sequentially provided with plus lens A-1 along light direction、Minus lens A-2、Plus lens A-3 and spectroscope A-4，Described light through infrared with laser Shared aperture before organize A after a road reflex to infrared after organize B、Another Reuter organizes C after being mapped to laser，Described infrared rear group B is sequentially provided with plus lens B-1 along light direction、Reflecting mirror B-2 and plus lens B-3，Organize C after described laser and be sequentially provided with plus lens C-1 along light direction、Plus lens C-2、Reflecting mirror C-3、Plus lens C-4、Plus lens C-5、Optical filter C-6 and plus lens C-7.
In further technical scheme, organize before described infrared and laser Shared aperture A and infrared after airspace between group B be 112.9mm, the airspace organized between C after organizing A and laser before described infrared and laser Shared aperture is 50.2mm.
In further technical scheme, the airspace organized between plus lens A-1 and the minus lens A-2 in A before described infrared and laser Shared aperture is 86.11mm, airspace between described minus lens A-2 and plus lens A-3 is 74mm, airspace between described plus lens A-3 and spectroscope A-4 is 50.5mm, described spectroscope A-4 and inclined light shaft 45 ° placement.
In further technical scheme, the airspace between plus lens B-1 and reflecting mirror B-2 in described infrared rear group B is 16mm, and described reflecting mirror B-2 and inclined light shaft 45 ° placement, the airspace between described reflecting mirror B-2 and plus lens B-3 is 14.36mm.
In further technical scheme, the airspace organized between plus lens C-1 and the plus lens C-2 in C after described laser is 4.64mm, airspace between described plus lens C-2 and reflecting mirror C-3 is 13mm, described reflecting mirror C-3 and inclined light shaft 45 ° placement, airspace between described reflecting mirror C-3 and plus lens C-4 is 25.7mm, airspace between described plus lens C-4 and plus lens C-5 is 25.4mm, airspace between described plus lens C-5 and optical filter C-6 is 1.25mm, airspace between described optical filter C-6 and plus lens C-7 is 1.9mm.
Compared with prior art, the method have the advantages that (1), in optical design, organizes the optical material of A before Rational choice, by spectroscope light splitting, it is achieved medium-wave infrared receives with laser Shared aperture；(2) in optical design, before reasonable distribution, organize the focal power of A, be prone to aberration correction with group C after ensureing infrared rear group B and laser；(3) in optical design, moved by plus lens A-3 and realize the temperature-compensating of medium-wave infrared and laser optical path and far and near away from compensation simultaneously, it is ensured that camera lens high and low temperature environment and distance away under use requirement；(4) on the premise of ensureing compact conformation, adopt a series of measures, improve the ability of camera lens vibration resistance, impact；(5) Rigidity Calculation can be carried out in lens construction designs, suitably increase wall thickness, improve natural frequency, improve the vibration resistance of camera lens, it is ensured that the use requirement of system.
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the optical system diagram of the embodiment of the present invention.
In Fig. 1: A-is infrared organizes A, A-1-plus lens A-1, A-2-minus lens A-2 before laser Shared aperture, A-3-plus lens A-3, A-4-spectroscope A-4, organizes B after B-is infrared, B-1-plus lens B-1, B-2-reflecting mirror B-2, B-3-plus lens B-3, C, C-1-plus lens C-1, C-2-plus lens C-2 is organized after C-laser, C-3-reflecting mirror C-3, C-4-plus lens C-4, C-5-plus lens C-5, C-6-optical filter C-6, C-7-plus lens C-7.
Fig. 2 is the mechanical construction drawing of the embodiment of the present invention.
nullIn Fig. 2: 1-A-1 trim ring，2-A-1 microscope base，3-plus lens A-1，Lens barrel before 4-，5-minus lens A-2，6-A-2 trim ring，7-the second Infrared Detectors bracing frame，Lens barrel in 8-，Lens barrel after 9-，10-motor，11-motor rack，12-focusing ring trim ring，13-focusing ring，14-focuses guide pin，15-focusing mobile seat，16-motor gear，17-plus lens A-3，18-light splitting lens barrel，19-A-4 microscope base，20-spectroscope A-4，21-A-4 trim ring，22-the first laser lens barrel，23-the second laser lens barrel，24-the first laser trim ring，25-plus lens C-1，26-the first laser spacer ring，27-plus lens C-2，28-the first laser microscope base，29-C-3 microscope base，30-reflecting mirror C-3，31-C-3 trim ring，32-the second laser trim ring，33-plus lens C-4，34-the 3rd laser lens barrel，35-the second laser microscope base，36-the 4th laser lens barrel，37-the 3rd laser trim ring，38-plus lens C-5，39-the second laser spacer ring，40-optical filter C-6，41-the 3rd laser spacer ring，42-plus lens C-7，43-the 3rd laser microscope base，44-the 3rd laser detector frame，45-the second laser detector frame，46-the first laser detector frame，47-laser detector，The infrared lens barrel of 48-first，The infrared lens barrel of 49-second，50-B-1 microscope base，51-plus lens B-1，52-B-2 trim ring，53-reflecting mirror B-2，54-B-2 microscope base，55-the 3rd Infrared Detectors bracing frame，56-the first Infrared Detectors frame，57-B-3 trim ring，58-plus lens B-3，59-B-3 microscope base，60-the second Infrared Detectors frame，61-Infrared Detectors，62-the first Infrared Detectors bracing frame.
Detailed description of the invention
nullAs shown in Figure 1，A kind of refrigeration mode medium-wave infrared and laser bimodulus Shared aperture camera lens，The optical system of described camera lens include infrared with laser Shared aperture before organize A、C is organized after group B and laser after infrared，Described infrared with laser Shared aperture before organize A and be sequentially provided with plus lens A-1 along light incident direction from left to right、Minus lens A-2、Plus lens A-3 and spectroscope A-4，Described light through infrared with laser Shared aperture before organize A after a road reflex to infrared after organize B、Another Reuter organizes C after being mapped to laser，Described infrared rear group B is sequentially provided with plus lens B-1 along the bottom-up incident direction of light、Reflecting mirror B-2 and plus lens B-3，Organize C after described laser and be sequentially provided with plus lens C-1 along the bottom-up incident direction of light、Plus lens C-2、Reflecting mirror C-3、Plus lens C-4、Plus lens C-5、Optical filter C-6 and plus lens C-7.
In the present embodiment, organize before described infrared and laser Shared aperture A and infrared after airspace between group B be 112.9mm, the airspace organized between C after organizing A and laser before described infrared and laser Shared aperture is 50.2mm.The airspace organized between plus lens A-1 and the minus lens A-2 in A before described infrared and laser Shared aperture is 86.11mm, airspace between described minus lens A-2 and plus lens A-3 is 74mm, airspace between described plus lens A-3 and spectroscope A-4 is 50.5mm, described spectroscope A-4 and inclined light shaft 45 ° placement.The airspace between plus lens B-1 and reflecting mirror B-2 in described infrared rear group B is 16mm, and described reflecting mirror B-2 and inclined light shaft 45 ° placement, the airspace between described reflecting mirror B-2 and plus lens B-3 is 14.36mm.The airspace organized between plus lens C-1 and the plus lens C-2 in C after described laser is 4.64mm, airspace between described plus lens C-2 and reflecting mirror C-3 is 13mm, described reflecting mirror C-3 and inclined light shaft 45 ° placement, airspace between described reflecting mirror C-3 and plus lens C-4 is 25.7mm, airspace between described plus lens C-4 and plus lens C-5 is 25.4mm, airspace between described plus lens C-5 and optical filter C-6 is 1.25mm, and the airspace between described optical filter C-6 and plus lens C-7 is 1.9mm.
In the present embodiment, the optical system being made up of above-mentioned lens set has reached following optical index: infrared system: (1) service band: 3.7 μm-4.8 μm；(2) focal length: f '=300mm；(3) detector: medium-wave infrared refrigeration mode 320 × 256,30 μm；(4) angle of visual field: 1.83 ° × 1.47 °；(5) relative aperture: D/ f '=1/2；(6) optics volume: 290.4mm × 153mm × 237mm(length × width × height after folding).Laser system: (1) service band: 1.064 μm；(2) angle of visual field: 2mrad；(3) clear aperture: 150mm；(4) APD photosurface: 0.8mm；(5) optics volume: 353mm × 153mm × 167.6mm(length × width × height after folding).
In the optical design of the present embodiment, described infrared with laser Shared aperture before the eyeglass organized in A can be selected for zinc sulfide and two kinds of infra-red materials of zinc selenide, to realize being provided with good transmitance in laser 1.064 μm and medium-wave infrared 3.7 μm-4.8 μm；By plus lens A-1, minus lens A-2 and plus lens A-3 reasonable distribution focal power, it is prone to aberration correction with group C after ensureing infrared rear group B and laser.In medium-wave infrared light path, choose secondary imaging structure, while ensureing to realize 100% cold stop efficiency, reduce the radial dimension of system；It is respectively adopted even aspheric surface at plus lens B-1, plus lens B-3 during group B design so that the structure of optical system more simplifies, and image quality is good after infrared；Use reflecting mirror B-2 to realize light path folding, reduce optical system size.C aberration correction is organized to ensure that the laser signal received converges on APD photosurface after laser.In order to meet high/low temperature and far and near away from requiring, the high/low temperature that system realizes medium-wave infrared and laser optical path by mobile plus lens A-3 simultaneously compensates (-40 DEG C to+60 DEG C temperature) and distance away from compensation.
As in figure 2 it is shown, the frame for movement of described camera lens include for fix infrared with laser Shared aperture before organize A, infrared after organize the picture frame of C, active thermal compensation focus adjusting mechanism, infrared detector module, laser detector assembly after group B and laser.Wherein, described picture frame includes that front lens barrel 4, middle lens barrel 8 and rear lens barrel 9, described front lens barrel 4 front inner wall are connected with A-1 microscope base 2, and the two uses screw thread and main front to coordinate, it is possible to concentricity requirement is effectively ensured；Being equipped with plus lens A-1 in described A-1 microscope base 2 and lock with A-1 trim ring 1, described front lens barrel 4 rear end inwall is equipped with minus lens A-2 and locks with A-2 trim ring 6；Described front lens barrel 4 controls dimensional tolerance with A-1 microscope base 2, it is ensured that plus lens A-1 and minus lens A-2 airspace.Described front lens barrel 4 rear end inwall is connected with middle lens barrel 8 front end, and the two uses screw thread and main front to coordinate, it is possible to concentricity requirement is effectively ensured.Described middle lens barrel 8 rear end inwall is connected with rear lens barrel 9 front end, and the two uses screw thread and main front to coordinate, it is possible to concentricity requirement is effectively ensured；Described rear lens barrel 9 inwall is connected with A-3 microscope base, is equipped with plus lens A-3 and locks with A-3 trim ring in described A-3 microscope base；Described middle lens barrel 8, rear lens barrel 9 control dimensional tolerance with A-3 microscope base, it is ensured that minus lens A-2 and plus lens A-3 airspace.Described rear lens barrel 9 rear end is rigidly connected with light splitting lens barrel 18 front end by 12 M3 soket head cap screws, described light splitting lens barrel 18 rear end is rigidly connected with A-4 microscope base 19 by 4 M3 soket head cap screws, is equipped with spectroscope A-4 and locks with A-4 trim ring 21 in described A-4 microscope base 19；Described light splitting lens barrel 18 controls dimensional tolerance with A-4 microscope base 19, it is ensured that plus lens A-3 and spectroscope A-4 airspace.
In the present embodiment, described light splitting lens barrel 18 upper end is rigidly connected by 3 M3 soket head cap screws and the first infrared lens barrel 48, described first infrared lens barrel 48 rear end is rigidly connected by 3 M3 soket head cap screws and the second infrared lens barrel 49, control the first infrared lens barrel 48 dimensional tolerance, it is ensured that infrared with laser Shared aperture before organize A with infrared after group B airspace.Described second infrared lens barrel 49 lower end inner wall is connected with B-1 microscope base 50, and the two uses screw thread and main front to coordinate, it is possible to concentricity requirement is effectively ensured；It is equipped with plus lens B-1 in described B-1 microscope base 50 and locks with B-1 trim ring；Described second infrared lens barrel 49 rear end is rigidly connected with B-2 microscope base 54 by 3 M3 soket head cap screws, it is equipped with reflecting mirror B-2 in described B-2 microscope base 54 and locks with B-2 trim ring 52, described second infrared lens barrel 49 controls dimensional tolerance with B-2 microscope base 54, it is ensured that plus lens B-1 and reflecting mirror B-2 airspace.Described second infrared lens barrel 49 front inner wall is connected with B-3 microscope base 59, and the two uses screw thread and main front to coordinate, it is possible to concentricity requirement is effectively ensured；It is equipped with plus lens B-3 in described B-3 microscope base 59 and locks with B-3 trim ring 57；Described second infrared lens barrel 49 controls dimensional tolerance with B-3 microscope base 59, it is ensured that reflecting mirror B-2 and plus lens B-3 airspace.
In the present embodiment, described light splitting lens barrel 18 rear end is rigidly connected by 4 M3 soket head cap screws and the first laser lens barrel 22, described first laser lens barrel 22 rear end is rigidly connected by 3 M3 soket head cap screws and the second laser lens barrel 23, control the first laser lens barrel 22 and the second laser lens barrel 23 dimensional tolerance, it is ensured that infrared with laser Shared aperture before organize A and organize C airspace after laser；Described second laser lens barrel 23 front inner wall is connected with the first laser microscope base 28, and the two uses screw thread and main front to coordinate, it is possible to concentricity requirement is effectively ensured.It is equipped with plus lens C-1, plus lens C-2, the first laser spacer ring 26 in described first laser microscope base 28 and locks with the first laser trim ring 24, controlling the first laser spacer ring 26 dimensional tolerance, it is ensured that lens C-1 and lens C-2 airspace.Described second laser lens barrel 23 rear end inwall is rigidly connected with C-3 microscope base 29 by 3 M3 soket head cap screws, it is equipped with reflecting mirror C-3 in described C-3 microscope base 29 and locks with C-3 trim ring 31, control the second laser lens barrel 23 and C-3 microscope base 29 dimensional tolerance, it is ensured that plus lens C-2 and reflecting mirror C-3 airspace.Described second laser lens barrel 23 upper end is rigidly connected by 3 M3 soket head cap screws and the 3rd laser lens barrel 34, and described 3rd laser lens barrel 34 upper end is connected with the 4th laser lens barrel 36, and the two uses screw thread and main front to coordinate, it is possible to concentricity requirement is effectively ensured.Described 4th laser lens barrel 36 upper end inwall and the second laser microscope base 35 connect, and the two uses screw thread and main front to coordinate, it is possible to concentricity requirement is effectively ensured；Described second laser microscope base 35 upper end inwall and the 3rd laser microscope base 43 connect, and the two uses screw thread and main front to coordinate, it is possible to concentricity requirement is effectively ensured；It is equipped with plus lens C-5, optical filter C-6, plus lens C-7, the second laser spacer ring the 39, the 3rd laser spacer ring 41 in described 3rd laser microscope base 43 and locks with the 3rd laser trim ring 37, control the second laser spacer ring 39 and the 3rd laser spacer ring 41 dimensional tolerance, it is ensured that plus lens C-5 and optical filter C-6 airspace and optical filter C-6 and plus lens C-7 airspace.Described second laser microscope base 35 lower end inner wall is equipped with plus lens C-4 and locks with the second laser trim ring 32, controls the 4th laser lens barrel 36 and the second laser microscope base 35 dimensional tolerance, it is ensured that plus lens C-4 and plus lens C-5 airspace.
In the present embodiment, described active thermal compensation focus adjusting mechanism includes motor rack 11, focusing ring 13, focusing guide pin 14 and focusing mobile seat 15, described motor rack 11 is fixed on rear lens barrel 9 by 2 M3 screws, motor 10 and motor gear 16 it is equipped with on described motor rack 11, described motor gear 16 engages with focusing ring 13, being equipped with focusing guide pin 14 on described focusing ring 13, described focusing ring 13 is fixed on rear lens barrel 9 with high accuracy steel ball and locks with focusing ring trim ring 12.By the rotation rotarily driving focusing ring 13 of motor 10, the slip rotating the focusing guide pin 14 that drive is assemblied on focusing ring 13 of focusing ring 13, the slip of focusing guide pin 14 drives focusing mobile seat 15 to move forward and backward, then drive plus lens A-3 to move forward and backward, thus the high/low temperature realizing camera lens compensates (-40 DEG C to+60 DEG C temperature) and distance away from compensation.
In the present embodiment, described infrared detector module includes Infrared Detectors 61, first Infrared Detectors frame 56 and the second Infrared Detectors frame 60, described Infrared Detectors 61 is rigidly connected by 4 M4 soket head cap screws and the second Infrared Detectors frame 60, described first Infrared Detectors frame 56 is rigidly connected by 4 M4 soket head cap screws and the second Infrared Detectors frame 60, described first Infrared Detectors frame 56 is connected with front lens barrel 4 by the first Infrared Detectors bracing frame 62 and the second Infrared Detectors bracing frame 7, it is connected with light splitting lens barrel 18 by the 3rd Infrared Detectors bracing frame 55.
In the present embodiment, described laser detector assembly includes laser detector 47, first laser detector frame 46, second laser detector frame 45 and the 3rd laser detector frame 44, described laser detector 47 is rigidly connected by 4 M3 soket head cap screws and the first laser detector frame 46, described first laser detector frame 46 is rigidly connected by 4 M3 soket head cap screws and the second laser detector frame 45, described second laser detector frame 45 is rigidly connected by 4 M3 soket head cap screws and the 3rd laser detector frame 44, described 3rd laser detector frame 44 is rigidly connected by 4 M3 soket head cap screws and the 4th laser lens barrel 36, described 4th laser lens barrel 36 is connected with light splitting lens barrel 18 by the first laser detector bracing frame and the second laser detector bracing frame.
The present invention possesses the features such as the ability that two waveband detects, capacity of resisting disturbance is strong, can hit plurality of target；In optical texture, reasonable distribution choose infrared with laser Shared aperture before organize in A the material of lens to realize infrared receiving with laser Shared aperture, be divided into two-way by infrared with laser by spectroscope A-4；After infrared in group B, use two aspheric surfaces, make camera lens reach the optical indexes such as high imaging quality, high-resolution, and use reflecting mirror to realize light path to turn back, so that system is the compactest；Organizing in C after laser, reasonable distribution angular, so that the laser signal collected converges on laser pickoff；System is moved by plus lens A-3 and realizes the temperature-compensating of infrared system and laser and distance away from compensation, to meet camera lens use requirement under high temperature and low temperature environment simultaneously.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent and modification, all should belong to the covering scope of the present invention.
Claims (9)
- null1. a refrigeration mode medium-wave infrared and laser bimodulus Shared aperture camera lens，It is characterized in that: the optical system of described camera lens include infrared with laser Shared aperture before organize A、C is organized after group B and laser after infrared，Described infrared with laser Shared aperture before organize A and be sequentially provided with plus lens A-1 along light direction、Minus lens A-2、Plus lens A-3 and spectroscope A-4，Described light through infrared with laser Shared aperture before organize A after a road reflex to infrared after organize B、Another Reuter organizes C after being mapped to laser，Described infrared rear group B is sequentially provided with plus lens B-1 along light direction、Reflecting mirror B-2 and plus lens B-3，Organize C after described laser and be sequentially provided with plus lens C-1 along light direction、Plus lens C-2、Reflecting mirror C-3、Plus lens C-4、Plus lens C-5、Optical filter C-6 and plus lens C-7；Organize before described infrared and laser Shared aperture A and infrared after airspace between group B be 112.9mm, the airspace organized between C after organizing A and laser before described infrared and laser Shared aperture is 50.2mm.
- Refrigeration mode medium-wave infrared the most according to claim 1 and laser bimodulus Shared aperture camera lens, it is characterized in that: the airspace organized between plus lens A-1 and the minus lens A-2 in A before described infrared and laser Shared aperture is 86.11mm, airspace between described minus lens A-2 and plus lens A-3 is 74mm, airspace between described plus lens A-3 and spectroscope A-4 is 50.5mm, described spectroscope A-4 and inclined light shaft 45 ° placement.
- Refrigeration mode medium-wave infrared the most according to claim 1 and laser bimodulus Shared aperture camera lens, it is characterized in that: the airspace between plus lens B-1 and reflecting mirror B-2 in described infrared rear group B is 16mm, described reflecting mirror B-2 and inclined light shaft 45 ° placement, the airspace between described reflecting mirror B-2 and plus lens B-3 is 14.36mm.
- Refrigeration mode medium-wave infrared the most according to claim 1 and laser bimodulus Shared aperture camera lens, it is characterized in that: the airspace organized between plus lens C-1 and the plus lens C-2 in C after described laser is 4.64mm, airspace between described plus lens C-2 and reflecting mirror C-3 is 13mm, described reflecting mirror C-3 and inclined light shaft 45 ° placement, airspace between described reflecting mirror C-3 and plus lens C-4 is 25.7mm, airspace between described plus lens C-4 and plus lens C-5 is 25.4mm, airspace between described plus lens C-5 and optical filter C-6 is 1.25mm, airspace between described optical filter C-6 and plus lens C-7 is 1.9mm.
- Refrigeration mode medium-wave infrared the most according to claim 1 and laser bimodulus Shared aperture camera lens, it is characterized in that: the frame for movement of described camera lens include for fix infrared with laser Shared aperture before organize A, infrared after organize the picture frame of C after group B and laser, active thermal compensation focus adjusting mechanism, infrared detector module, laser detector assembly.
- Refrigeration mode medium-wave infrared the most according to claim 5 and laser bimodulus Shared aperture camera lens, it is characterized in that: described picture frame includes front lens barrel, middle lens barrel and rear lens barrel, described front lens barrel front inner wall is connected with A-1 microscope base, plus lens A-1 and A-1 trim ring it is equipped with in described A-1 microscope base, described front lens barrel rear end inwall is equipped with minus lens A-2 and A-2 trim ring, described front lens barrel rear end is connected with middle lens barrel front end, described middle lens barrel rear end is connected with rear lens barrel front end, described rear lens barrel inwall is connected with A-3 microscope base, plus lens A-3 and A-3 trim ring it is equipped with in described A-3 microscope base, described rear lens barrel rear end is connected with light splitting lens barrel front end, described spectroscope tube rear end is connected with A-4 microscope base, spectroscope A-4 and A-4 trim ring it is equipped with in described A-4 microscope base.
- Refrigeration mode medium-wave infrared the most according to claim 6 and laser bimodulus Shared aperture camera lens, it is characterized in that: described light splitting lens barrel upper end is connected with the first infrared lens barrel, described first infrared lens barrel rear end is connected with the second infrared lens barrel, described second infrared lens barrel lower end inner wall is connected with B-1 microscope base, plus lens B-1 and B-1 trim ring it is equipped with in described B-1 microscope base, described second infrared lens barrel rear end is connected with B-2 microscope base, reflecting mirror B-2 and B-2 trim ring it is equipped with in described B-2 microscope base, described second infrared lens barrel front inner wall is connected with B-3 microscope base, plus lens B-3 and B-3 trim ring it is equipped with in described B-3 microscope base.
- nullRefrigeration mode medium-wave infrared the most according to claim 6 and laser bimodulus Shared aperture camera lens，It is characterized in that: described spectroscope tube rear end and the first laser lens barrel connect，Described first laser mirror tube rear end and the second laser lens barrel connect，Described second laser lens barrel front inner wall is connected with the first laser microscope base，Described first laser microscope base is built-in is furnished with plus lens C-1、Plus lens C-2、First laser spacer ring and the first laser trim ring，Described second laser mirror tube rear end inwall is connected with C-3 microscope base，Reflecting mirror C-3 and C-3 trim ring it is equipped with in described C-3 microscope base，Described second laser lens barrel upper end is connected with the 3rd laser lens barrel，Described 3rd laser lens barrel upper end is connected with the 4th laser lens barrel，Described 4th laser lens barrel upper end inwall and the second laser microscope base connect，Described second laser microscope base upper end inwall and the 3rd laser microscope base connect，Described 3rd laser microscope base is built-in is furnished with plus lens C-5、Optical filter C-6、Plus lens C-7、Second laser spacer ring、3rd laser spacer ring and the 3rd laser trim ring，Described second laser microscope base lower end inner wall is equipped with plus lens C-4 and the second laser trim ring.
- Refrigeration mode medium-wave infrared the most according to claim 5 and laser bimodulus Shared aperture camera lens, it is characterized in that: described active thermal compensation focus adjusting mechanism includes motor rack, focusing ring, focusing guide pin and focusing mobile seat, and described motor rack is equipped with motor and motor gear；Described infrared detector module includes Infrared Detectors, the first Infrared Detectors frame and the second Infrared Detectors frame, described first Infrared Detectors frame is connected with front lens barrel by the first Infrared Detectors bracing frame and the second Infrared Detectors bracing frame, is connected with light splitting lens barrel by the 3rd Infrared Detectors bracing frame；Described laser detector assembly includes laser detector, the first laser detector frame, the second laser detector frame and the 3rd laser detector frame, described 3rd laser detector frame and the 4th laser lens barrel connect, and described 4th laser lens barrel is connected with light splitting lens barrel by the first laser detector bracing frame and the second laser detector bracing frame.
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| CN104459957B true CN104459957B (en) | 2016-08-17 |
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| CN106383398A (en) * | 2015-08-04 | 2017-02-08 | 江苏宜清光电科技有限公司 | Lens capable of carrying out 360 degree projection |
| CN106707460A (en) * | 2015-08-04 | 2017-05-24 | 江苏宜清光电科技有限公司 | Lens capable of projecting for 360 degrees |
| CN106707459A (en) * | 2015-08-04 | 2017-05-24 | 江苏宜清光电科技有限公司 | Lens capable of projecting for 360 degrees |
| CN106443960A (en) * | 2015-08-04 | 2017-02-22 | 江苏宜清光电科技有限公司 | 360-degree projection lens |
| CN107192463B (en) * | 2017-06-22 | 2019-06-04 | 河北汉光重工有限责任公司 | A kind of LONG WAVE INFRARED based on beam splitting type flat device and laser complex optics |
| CN107656540B (en) * | 2017-08-30 | 2019-11-15 | 南京理工大学 | Uncooled ir and the compound circumferential scanning detection device of laser |
| CN109581402A (en) * | 2019-01-24 | 2019-04-05 | 西安深瞳智控技术有限公司 | A kind of strapdown laser half actively guides shot detection system and method |
| CN109856755A (en) * | 2019-04-04 | 2019-06-07 | 南京华群光电技术有限公司 | A kind of interior full shot structure |
| CN113568125B (en) * | 2021-07-22 | 2023-04-11 | 哈尔滨星航光电科技有限公司 | Infrared lens |
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