CN106896484A - A kind of heavy caliber machinery is passive without the infrared telephoto lens of thermalization and its application method - Google Patents
A kind of heavy caliber machinery is passive without the infrared telephoto lens of thermalization and its application method Download PDFInfo
- Publication number
- CN106896484A CN106896484A CN201710261023.1A CN201710261023A CN106896484A CN 106896484 A CN106896484 A CN 106896484A CN 201710261023 A CN201710261023 A CN 201710261023A CN 106896484 A CN106896484 A CN 106896484A
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- ring
- focus lens
- sleeve
- positive light
- light focus
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims description 7
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 239000012634 fragment Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000003467 diminishing effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000000320 mechanical mixture Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- G02B13/146—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation with corrections for use in multiple wavelength bands, such as infrared and visible light, e.g. FLIR systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/028—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Lenses (AREA)
Abstract
It is passive without the infrared telephoto lens of thermalization the present invention relates to a kind of heavy caliber machinery,Including sleeve and the optical system being arranged in sleeve,Along light, incident direction is sequentially provided with positive light focus lens A from left to right in the optical system of the camera lens,Positive light focus lens B,The inside of the sleeve is coaxially arranged with body tube,The positive light focus lens A is installed on the front end of body tube and premenstrual trim ring is positioned,The positive light focus lens B is installed on the rear end of body tube and trim ring is positioned after,Expansion ring is provided between the body tube and sleeve,The front end apical grafting of the expansion ring has the preceding back-up ring for being screwed onto barrel forward end,The rear end apical grafting of the expansion ring has the rear back-up ring one for being screwed onto primary mirror tube rear end,The rear end of the sleeve is bolted with rear back-up ring two,Shell fragment is provided between the rear back-up ring one and rear back-up ring two,Airspace between the positive light focus lens A and positive light focus lens B is 45.3mm,Simple structure.
Description
Technical field
It is passive without the infrared telephoto lens of thermalization and its application method the present invention relates to a kind of heavy caliber machinery, belong to camera lens neck
Domain.
Background technology
LWIR Uncooled Optical System is widely used in dual-use field, because infrared lens
With good in anti-interference performance；Night operating distance is remote；Penetrate flue dust, haze ability strong；Can round-the-clock, round-the-clock work；Have
The advantages of observation of multiple target panorama, tracking and target identification ability and the ability of good anti-target stealth, so to optical system
The image quality of system proposes higher and higher requirement.But because there is certain thermal effect in infrared optical material and mechanical material
Should, the acute variation of operating temperature can produce serious influence to optical system, for example cause focal length variations, image planes drift, into
As Quality Down etc..Therefore, in order to adapt to varying environment temperature, it is desirable to which infrared lens have certain temperature self-adaptation ability.
However, most lens construction is complicated on the market, difficulty of processing and relatively costly, mist transmitting is poor, resolution ratio is low, lens construction
Length is long, volume is big, therefore is also required to camera lens and has a features simple structure workability, and most camera lenses on the market are all difficult to root
According to different object distances easily, efficiently adjust rear cut-off distance.
The content of the invention
The purpose of the present invention is directed to above weak point, there is provided a kind of heavy caliber machinery of reasonable in design is passive
Without the infrared telephoto lens of thermalization and its application method.
The technical scheme is that, a kind of heavy caliber machinery is passive without the infrared telephoto lens of thermalization, including sleeve and
The optical system in sleeve is arranged on, incident direction is sequentially provided with positive light from left to right along light in the optical system of the camera lens
Focus lens A, positive light focus lens B, the inside of the sleeve are coaxially arranged with body tube, and the positive light focus lens A is installed on primary mirror
The front end and premenstrual trim ring of cylinder are positioned, and the positive light focus lens B is installed on the rear end of body tube and trim ring is determined after
Position, is provided with expansion ring, before the front end apical grafting of the expansion ring is screwed onto barrel forward end between the body tube and sleeve
Back-up ring, the rear end apical grafting of the expansion ring has the rear back-up ring one for being screwed onto primary mirror tube rear end, after the rear end of the sleeve is bolted with
Back-up ring two, is provided with shell fragment, between the positive light focus lens A and positive light focus lens B between the rear back-up ring one and rear back-up ring two
Airspace be 45.3mm.
Further, the peripheral part of the sleeve is coaxially arranged with outer cover, is set between the front end of the outer cover and sleeve
Have a sealing ring, the rear end of the outer cover be spirally connected with sleeve and through stop screw, that locking nail carries out tightening is spacing.
Further, the sleeve, outer cover, expansion ring, body tube stack shell cross section it is incident from left to right along light
Direction is sequentially reduced.
Further, the rearward end of the outer cover is bolted with detector.
A kind of passive application method without the infrared telephoto lens of thermalization of heavy caliber machinery, comprises the steps of：When environment temperature
When degree is raised, led while expanding and causing original focal plane to shift forward due to positive light focus lens A, positive light focus lens B
Cause to obscure, now expansion ring is expanded against after body tube compression shell fragment makes positive light focus lens A, positive light focus lens B synchronizations and moved, with spy
The air surveyed between device makes up the focal plane of original biased forwards away from diminishing.
Compared with prior art, the invention has the advantages that：
（1）With imaging resolution high, high-penetration, the object of tiny temperature change can be caught；
（2）Simple and compact for structure, small volume is easy to carry, and cost of manufacture is cheap, suitable for scale production；
（3）Rigidity Calculation can be carried out in lens construction design, suitably increases wall thickness, improve intrinsic frequency, improve camera lens
Vibration resistance, it is ensured that the use requirement of system, it is ensured that the sealing property of camera lens.
Brief description of the drawings
Patent of the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the inventive embodiments；
In figure：
The positive light focus lens A of A-；The positive light focus lens B of B-；1- sleeves；2- body tubes；Trim ring before 3-；Trim ring after 4-；5- expansion rings；6-
Preceding back-up ring；Back-up ring one after 7-；Back-up ring two after 8-；9- shell fragments；10- outer covers；11- sealing rings；12- stop screws；13- locking nails.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As illustrated, a kind of heavy caliber machinery is passive without the infrared telephoto lens of thermalization, including sleeve 1 and it is arranged on sleeve
Interior optical system, along light, incident direction is sequentially provided with positive light focus lens A, just from left to right in the optical system of the camera lens
Light focus lens B, the inside of the sleeve is coaxially arranged with body tube 2, and the positive light focus lens A is installed on the front end of body tube simultaneously
Premenstrual trim ring 3 is positioned, and the positive light focus lens B is installed on the rear end of body tube and trim ring 4 is positioned after, the master
Expansion ring 5 is provided between lens barrel and sleeve, the front end apical grafting of the expansion ring has the preceding back-up ring 6 for being screwed onto barrel forward end, institute
The rear end that stating the rear end apical grafting of expansion ring has the rear back-up ring 1 for being screwed onto primary mirror tube rear end, the sleeve is bolted with rear back-up ring two
8, shell fragment 9, the sky between the positive light focus lens A and positive light focus lens B are provided between the rear back-up ring one and rear back-up ring two
Gas interval is 45.3mm.
In the present embodiment, the peripheral part of the sleeve is coaxially arranged with outer cover 10, the front end and sleeve of the outer cover it
Between be provided with sealing ring 11, the rear end of the outer cover be spirally connected with sleeve and through stop screw 12, that locking nail 13 carries out tightening is spacing.
In the present embodiment, the stack shell cross section of the sleeve, outer cover, expansion ring, body tube along light from left to right
Incident direction is sequentially reduced.
In the present embodiment, the rearward end of the outer cover is bolted with detector.
A kind of passive application method without the infrared telephoto lens of thermalization of heavy caliber machinery, comprises the steps of：When environment temperature
When degree is raised, led while expanding and causing original focal plane to shift forward due to positive light focus lens A, positive light focus lens B
Cause to obscure, now expansion ring is expanded against after body tube compression shell fragment makes positive light focus lens A, positive light focus lens B synchronizations and moved, with spy
The air surveyed between device makes up the focal plane of original biased forwards away from diminishing.
In the present embodiment, the optical system being made up of above-mentioned lens set has reached following optical index：
（1）Service band：8μm-12μm；
（2）Focal length：f′=50mm；
（3）Detector：640 × 512,17 μm of LWIR Uncooled type；
（4）The angle of visual field：31°；
（5）Relative aperture D/ f '：1/1.0；
（6）Optics volume：∅72mm×62.25mm（Diameter × length）.
The data of below table, will illustrate the optical parametric of the embodiment of the present invention.
Table one：Each lens parameters：
Aspheric mask body face type equation is as follows：
Z be it is aspherical along optical axis direction height for r position when, away from aspheric vertex of surface apart from rise, c=1/R, R=
23.535,k=0,A0=0,A1=-6.645E-008,A2=1.219E-009,A3=-5.345E-010, A4=1.337E-013。
In mechanical structure and optical texture design, reasonable distribution focal power realizes the machinery of temperature self-adaptation to the present invention
Passively without thermalization feature.Document recording and peace can be performed with 640 × 480,17 μm of detector adaptations of LWIR Uncooled type
Anti- monitor task；Reasonable distribution focal power, at different temperatures optical material expand with heat and contract with cold so that lens curvature becomes
Change image planes drift, optics, mechanical mixture formula passive type utilize the difference between optical-mechanical material thermal characteristics without thermalization, by not
The influence of temperature is eliminated with the combination of elastomeric material, keeps, as matter stabilization, realizing the nothing of temperature self-adaptation interior in a big way
Thermalization, enables infrared optical system to keep good image quality within the scope of a larger temperature；Using body tube one
Bodyization is designed, and it is extremely light and handy to realize structure, installs simple and convenient, greatly reduces cost；Easily realized by turn sleeve
The focusing of rear cut-off distance, realizes that the infinite object distance on a large scale as far as 0.5m object distances is adjusted, and realizes any object distance imaging clearly；Structure letter
Single, small volume, the uncooled ir optical system for being adapted to miniaturization is used；With imaging resolution high, high-penetration, can
Catch the object of tiny temperature change；Compact conformation, cost of manufacture is cheap, suitable for scale production；Ensureing compact conformation
Under the premise of, adopt a series of measures, improve camera lens vibration resistance, the ability of impact；Camera lens machinery nothing is realized using compact design
The regulation of thermalization, is further ensured that the stability of lens imaging under various circumstances；Can be carried out just in lens construction design
Degree is calculated, and suitably increases wall thickness, improves intrinsic frequency, improves the vibration resistance of camera lens, it is ensured that the use requirement of system；Ensure mirror
The sealing property of head.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
Understand, the foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (5)
1. a kind of heavy caliber machinery is passive without the infrared telephoto lens of thermalization, it is characterised in that：Including sleeve and it is arranged on sleeve
Interior optical system, along light, incident direction is sequentially provided with positive light focus lens A, just from left to right in the optical system of the camera lens
Light focus lens B, the inside of the sleeve is coaxially arranged with body tube, and the positive light focus lens A is installed on the front end of body tube simultaneously
Premenstrual trim ring is positioned, and the positive light focus lens B is installed on the rear end of body tube and trim ring is positioned after, the primary mirror
Expansion ring is provided between cylinder and sleeve, the front end apical grafting of the expansion ring has the preceding back-up ring for being screwed onto barrel forward end, described to stretch
The rear end that the rear end apical grafting of contracting ring has the rear back-up ring one for being screwed onto primary mirror tube rear end, the sleeve is bolted with rear back-up ring two, described
Shell fragment is provided between back-up ring one and rear back-up ring two afterwards, the airspace between the positive light focus lens A and positive light focus lens B is
45.3mm。
2. heavy caliber machinery according to claim 1 is passive without the infrared telephoto lens of thermalization, it is characterised in that：The sleeve
Peripheral part be coaxially arranged with outer cover, be provided with sealing ring between the front end of the outer cover and sleeve, the rear end of the outer cover with
Sleeve be spirally connected and through stop screw, that locking nail carries out tightening is spacing.
3. heavy caliber machinery according to claim 2 is passive without the infrared telephoto lens of thermalization, it is characterised in that：The set
Cylinder, outer cover, expansion ring, along light, incident direction is sequentially reduced from left to right for the stack shell cross section of body tube.
4. heavy caliber machinery according to claim 2 is passive without the infrared telephoto lens of thermalization, it is characterised in that：The outer cover
Rearward end be bolted with detector.
5. the passive application method without the infrared telephoto lens of thermalization of a kind of heavy caliber machinery, it is characterised in that wanted comprising such as right
Ask the heavy caliber machinery described in 1-4 passive without the infrared telephoto lens of thermalization, comprise the steps of：When environment temperature is raised, by
Cause to obscure while expanding and causing original focal plane to shift forward in positive light focus lens A, positive light focus lens B, now
Expansion ring is expanded against after body tube compression shell fragment makes positive light focus lens A, positive light focus lens B synchronizations and moved, between detector
Air makes up the focal plane of original biased forwards away from diminishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710261023.1A CN106896484B (en) | 2017-04-20 | 2017-04-20 | Large-caliber mechanical passive athermal infrared telephoto lens and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710261023.1A CN106896484B (en) | 2017-04-20 | 2017-04-20 | Large-caliber mechanical passive athermal infrared telephoto lens and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106896484A true CN106896484A (en) | 2017-06-27 |
| CN106896484B CN106896484B (en) | 2022-05-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594397A (en) * | 2018-06-20 | 2018-09-28 | 襄阳市雄狮光电科技有限公司 | A kind of shock resistance infrared lens structure |
| CN110515056A (en) * | 2018-05-21 | 2019-11-29 | 上海济物光电技术有限公司 | Laser radar athermal optical receiver assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125275A (en) * | 2016-08-22 | 2016-11-16 | 福建福光天瞳光学有限公司 | Double Manual adjustable are without the infrared tight shot of transconversion into heat and method of work |
| CN106125251A (en) * | 2016-08-30 | 2016-11-16 | 福建福光天瞳光学有限公司 | Fixed non-brake method LONG WAVE INFRARED mixed type is without transconversion into heat camera lens and installation method thereof |
| CN106443942A (en) * | 2016-12-16 | 2017-02-22 | 福建福光天瞳光学有限公司 | F20 mm portable mechanical passive athermal infrared prime lens and using method thereof |
| CN106443941A (en) * | 2016-12-16 | 2017-02-22 | 福建福光天瞳光学有限公司 | F20mm mechanical passive athermalizing long wave infrared prime lens and focusing method thereof |
| CN206710690U (en) * | 2017-04-20 | 2017-12-05 | 福建福光天瞳光学有限公司 | A kind of heavy caliber machinery is passively without the infrared telephoto lens of thermalization |
-
2017
- 2017-04-20 CN CN201710261023.1A patent/CN106896484B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125275A (en) * | 2016-08-22 | 2016-11-16 | 福建福光天瞳光学有限公司 | Double Manual adjustable are without the infrared tight shot of transconversion into heat and method of work |
| CN106125251A (en) * | 2016-08-30 | 2016-11-16 | 福建福光天瞳光学有限公司 | Fixed non-brake method LONG WAVE INFRARED mixed type is without transconversion into heat camera lens and installation method thereof |
| CN106443942A (en) * | 2016-12-16 | 2017-02-22 | 福建福光天瞳光学有限公司 | F20 mm portable mechanical passive athermal infrared prime lens and using method thereof |
| CN106443941A (en) * | 2016-12-16 | 2017-02-22 | 福建福光天瞳光学有限公司 | F20mm mechanical passive athermalizing long wave infrared prime lens and focusing method thereof |
| CN206710690U (en) * | 2017-04-20 | 2017-12-05 | 福建福光天瞳光学有限公司 | A kind of heavy caliber machinery is passively without the infrared telephoto lens of thermalization |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515056A (en) * | 2018-05-21 | 2019-11-29 | 上海济物光电技术有限公司 | Laser radar athermal optical receiver assembly |
| CN108594397A (en) * | 2018-06-20 | 2018-09-28 | 襄阳市雄狮光电科技有限公司 | A kind of shock resistance infrared lens structure |
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| Publication number | Publication date |
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| CN106896484B (en) | 2022-05-27 |
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