CN106125275A - Double Manual adjustable are without the infrared tight shot of transconversion into heat and method of work - Google Patents
Double Manual adjustable are without the infrared tight shot of transconversion into heat and method of work Download PDFInfo
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- CN106125275A CN106125275A CN201610699341.1A CN201610699341A CN106125275A CN 106125275 A CN106125275 A CN 106125275A CN 201610699341 A CN201610699341 A CN 201610699341A CN 106125275 A CN106125275 A CN 106125275A
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- lens barrel
- sleeve
- focus lens
- light focus
- transconversion
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/163—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
- G02B15/167—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
- G02B15/173—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The present invention relates to a kind of double item Manual adjustable without the infrared tight shot of transconversion into heat, including the positive light focus lens A set successively along light incident direction from left to right, negative light focus lens B and positive light focus lens C, air distance between described positive light focus lens A and negative light focus lens B is 5.41mm, and the air distance between described negative light focus lens B and positive light focus lens C is 13.52mm；The invention still further relates to a kind of pair of item Manual adjustable method of work without the infrared tight shot of transconversion into heat.The design of the present invention not only structure is simple, reasonable, compact, but also can carry out double manual regulative mode of item and manually regulate intercept and make imaging the easiest easily.
Description
Technical field
The present invention relates to a kind of double item Manual adjustable without the infrared tight shot of transconversion into heat and method of work.
Background technology
LWIR Uncooled Optical System is all widely used in dual-use field, because infrared lens
Good in anti-interference performance, night, operating distance was remote, penetrated flue dust, haze ability strong, can round-the-clock, round-the-clock work, there is many mesh
The advantages such as the ability of mark panorama observation, tracking and target recognition ability and the stealth of good anti-target, so to optical system
Image quality proposes the highest requirement.But owing to infrared optical material and mechanical material exist certain heat effect, work
Optical system can be produced serious influence by the acute variation making temperature, such as, cause the drift of focal length variations, image planes, image quality
Lower degradation.Therefore, in order to adapt to varying environment temperature, it is desirable to infrared lens has certain temperature self-adaptation ability；It addition, city
On face, most lens construction is complicated, difficulty of processing and relatively costly, is therefore also required to camera lens and has features simple structure and easily process
Property, and most camera lenses on the market are all difficult to regulate easily, efficiently rear cut-off distance according to different object distances.
Summary of the invention
In view of the deficiencies in the prior art, the technical problem to be solved is to provide a kind of double item Manual adjustable
Without the infrared tight shot of transconversion into heat and method of work, not only reasonable in design, and also the most convenient.
In order to solve above-mentioned technical problem, the technical scheme is that a kind of double item Manual adjustable is red without transconversion into heat
Outer tight shot, including the positive light focus lens A set successively along light incident direction from left to right, negative light focus lens B and positive light
Focus lens C, the air distance between described positive light focus lens A and negative light focus lens B is 5.41mm, described negative light focus lens B with
Air distance between positive light focus lens C is 13.52mm.
Preferably, compress in described positive light focus lens A is arranged on front lens barrel and with front trim ring, described negative light focus lens B, BC
Compress in spacer ring, positive light focus lens A are arranged on rear lens barrel according to sequencing and with rear trim ring.
Preferably, being arranged with sleeve outside described front lens barrel and rear lens barrel, described bush outer sleeve is provided with outer housing, described sleeve with
Outer housing is threaded, and described outer housing is threadeded with detector.
Preferably, described outer housing extenal fixation connects driving lever, is provided with dismountable screw between described sleeve and outer housing.
Preferably, between described front lens barrel and sleeve, O RunddichtringO between sleeve and outer housing, it is provided with.
Preferably, one end of described front lens barrel withstands on the step surface of sleeve through expansion ring, the other end of described front lens barrel
Through shell fragment with after lens barrel elasticity be connected, described front lens barrel is slidably matched with sleeve, described rear lens barrel with sleeve through threadeding.
Preferably, described expansion ring is made of plastics, and described shell fragment is made of metal.
A kind of pair of item Manual adjustable, without the method for work of the infrared tight shot of transconversion into heat, comprises double item handss described above
Dynamic adjustable without the infrared tight shot of transconversion into heat, comprise the steps of
(1) described positive light focus lens A is arranged in front lens barrel, described negative light focus lens B and positive light focus lens C is arranged on
In rear lens barrel, described front lens barrel is arranged in sleeve with rear lens barrel and is connected one entirety of formation, by described sleeve and outer housing spiral shell
Stricture of vagina connects, and is threadeded with detector by outer housing；
(2) utilize described screw that sleeve and outer housing are fixedly connected as an entirety, hold described driving lever and drive outer housing relatively to visit
Survey device rotates so that described front lens barrel is subjected to displacement with rear lens barrel opposing detector, it is achieved the adjustment of rear cut-off distance；
(3) described screw is removed, sleeve described in manual rotation so that described front lens barrel is connected shape be arranged on sleeve with rear lens barrel in
The entirety become is subjected to displacement with detector relative to outer housing, it is achieved the adjustment of rear cut-off distance.
Compared with prior art, the method have the advantages that
(1) present invention can carry out double manual regulative mode of item and manually focuses and make imaging the easiest easily；
(2) present configuration is simple, and volume is little, and the uncooled ir optical system being suitable for miniaturization uses；
(3) present invention has high imaging resolution, high-penetrability, it is possible to catch the object of tiny variations in temperature；
(4) present configuration is compact, and cost of manufacture is cheap, suitable for scale production；
(5) present invention is on the premise of ensureing compact conformation, adopts a series of measures, improves the energy of camera lens vibration resistance, impact
Power；
(6) reasonable distribution ray machine focal power of the present invention realizes temperature on a large scale without transconversion into heat；
(7) bimirror cylinder band sealing ring of the present invention design has good sealing property；Can carry out just in lens construction designs
Degree calculates, and suitably increases wall thickness, improves natural 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 present invention will be further described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the optical path structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the mechanical realization schematic diagram of the embodiment of the present invention.
In figure: A-positive light focus lens A, B-bear light focus lens B, C-positive light focus lens C；Lens barrel before 1-, trim ring before 2-, 3-BC
Spacer ring, lens barrel after 4-, trim ring after 5-, 6-sleeve, 7-outer housing, 8-driving lever, 9-screw, 10-O RunddichtringO, 11-expansion ring, 12-
Shell fragment.
Detailed description of the invention
For the features described above of the present invention and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing, make in detail
Carefully it is described as follows.
As shown in Figure 1 and 2, a kind of double item Manual adjustable are without the infrared tight shot of transconversion into heat, including along light from left to right
The positive light focus lens A that incident direction sets successively, negative light focus lens B and positive light focus lens C, described positive light focus lens A and negative light
Air distance between focus lens B is 5.41mm, and the air distance between described negative light focus lens B and positive light focus lens C is
13.52mm。
In embodiments of the present invention, in described positive light focus lens A is arranged on front lens barrel 1 and compress with front trim ring 2, described negative
In light focus lens B, BC spacer ring 3, positive light focus lens A are arranged on rear lens barrel 4 according to sequencing and compress with rear trim ring 5.
In embodiments of the present invention, described front lens barrel 1 is arranged with sleeve 6 outside rear lens barrel 4, is arranged with outside described sleeve 6
Outer housing 7, described sleeve 6 threadeds with outer housing 7, and described outer housing 7 is threadeded with detector (being not drawn in accompanying drawing).
In embodiments of the present invention, described outer housing 7 extenal fixation connects driving lever 8, arranges between described sleeve 6 and outer housing 7
There is dismountable screw 9.
In embodiments of the present invention, between described front lens barrel 1 and sleeve 6, it is provided with O type between sleeve 6 and outer housing 7 close
Seal 10.
In embodiments of the present invention, one end of described front lens barrel 1 is on the step surface that expansion ring 11 withstands on sleeve 6, described
The other end of front lens barrel 1 through shell fragment 12 with after lens barrel 4 elasticity be connected, described front lens barrel 1 is slidably matched with sleeve 6, described rear mirror
Cylinder 4 with sleeve 6 through threadeding；When ambient temperature raises, due to positive light focus lens A, negative light focus lens B and positive light Jiao's mirror
Sheet C expands simultaneously and causes original focal plane to occur forward skew to cause obscuring, before the most described expansion ring 11 expands against
Lens barrel 1 compresses shell fragment 12 makes the positive light focus lens A air with negative light focus lens B away from diminishing, and makes up Jiao of original biased forwards
Face makes it return to clear picture under room temperature state.
In embodiments of the present invention, described expansion ring 11 is made of plastics, and described shell fragment 12 is made of metal, described flexible
The coefficient of expansion of ring 11 is big, and the coefficient of expansion of described shell fragment is little, the described preferred spring of shell fragment 12, but is not limited to this.
In embodiments of the present invention, a kind of pair of item Manual adjustable, without the method for work of the infrared tight shot of transconversion into heat, is wrapped
Containing double item Manual adjustable described above without the infrared tight shot of transconversion into heat, comprise the steps of
(1) described positive light focus lens A is arranged in front lens barrel 1, described negative light focus lens B and positive light focus lens C is installed
In rear lens barrel 4, in described front lens barrel 1 is arranged on sleeve 6, is connected one entirety of formation with rear lens barrel 4, by described sleeve 6 and
Outer housing 7 is threaded, is threadeded with detector by outer housing 7；
(2) utilize described screw 9 that sleeve 6 and outer housing 7 are fixedly connected as an entirety, hold described driving lever 8 and drive outer housing 7 phase
To sonde rotary, the overall opposing detector of the most front lens barrel 1, rear lens barrel 4, sleeve 6 and outer housing 7 rotates so that described
Front lens barrel 1 is subjected to displacement with the overall opposing detector of rear lens barrel 4, it is achieved the adjustment of rear cut-off distance；
(3) described screw 9 is removed, sleeve 6 described in manual rotation so that described front lens barrel 1 is arranged in sleeve 6 with rear lens barrel 4
Connect the entirety formed to be subjected to displacement with detector relative to outer housing 7, it is achieved the adjustment of rear cut-off distance.
In embodiments of the present invention, the optical system being made up of above-mentioned lens set has reached following technical specification:
(1) service band: 8 μm-12 μm；
(2) focal length: f '=25mm；
(3) detector: LWIR Uncooled type 384 × 288,25 μm；
(4) angle of visual field: 21.7 ° × 16.4 °；
(5) relative aperture D/ f ': 1/1.0；
(6) optics volume: 48mm × 31.87mm(diameter × length).
It is an object of the invention to overcome manually regulation rear cut-off distance to be difficult to and the temperature impact on infrared lens, at f25mm
During the optical structure design of camera lens without transconversion into heat, reasonable distribution focal power, optical material generation flatulence of heat type is cold at different temperatures
Contracting so that lens curvature change image planes drift, optics, mechanical mixture formula passive type without transconversion into heat utilize optical-mechanical material heat
Difference between characteristic, eliminates the impact of temperature by the combination of different qualities material, keeps picture element steady in a big way
Fixed, it is achieved temperature self-adaptation without transconversion into heat, enable infrared optical system to keep good within the scope of a bigger temperature
Image quality；Additionally market is that structure complex, the required parts of design of most camera lens are more, not only increases
Manufacturing cost also makes installation become complicated, and cost of labor is greatly improved, and this is designed with sleeve 6 integrated design, it is achieved that
Structure is extremely light and handy, installs simple and convenient, greatly reduces cost.
The present invention has compact without features such as the design of transconversion into heat structure, the manual focal length adjustable of double item and high permeabilities；?
In structure and optical design, reasonable distribution focal power, it is achieved the machine of temperature self-adaptation, light mix without transconversion into heat feature, can be with length
The infrared non-refrigeration type of ripple 384 × 288,25 μm detector is adaptive, performs document recording and safety monitoring task；The most double items are adjustable
Burnt formula the most daily execution security protection task improves endless convenience.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that under the enlightenment of the present invention other are each
Double item Manual adjustable of the form of kind are without the infrared tight shot of transconversion into heat and method of work.All according to scope of the present invention patent institute
Impartial change and the modification done, all should belong to the covering scope of the present invention.
Claims (8)
1. double item Manual adjustable are without the infrared tight shot of transconversion into heat, it is characterised in that: include entering from left to right along light
Penetrate positive light focus lens A, negative light focus lens B and positive light focus lens C, described positive light focus lens A and negative light Jiao that direction sets successively
Air distance between eyeglass B is 5.41mm, and the air distance between described negative light focus lens B and positive light focus lens C is
13.52mm。
The most according to claim 1 pair of item Manual adjustable is without the infrared tight shot of transconversion into heat, it is characterised in that: described just
Light focus lens A is arranged in front lens barrel and by front trim ring compression, described negative light focus lens B, BC spacer ring, positive light focus lens A according to
Compress in sequencing is arranged on rear lens barrel and with rear trim ring.
The most according to claim 2 pair of item Manual adjustable is without the infrared tight shot of transconversion into heat, it is characterised in that: before described
Being arranged with sleeve outside lens barrel and rear lens barrel, described bush outer sleeve is provided with outer housing, and described sleeve is threadeded with outer housing, described outer housing
Threaded with detector.
The most according to claim 3 pair of item Manual adjustable is without the infrared tight shot of transconversion into heat, it is characterised in that: outside described
Cover extenal fixation connects driving lever, is provided with dismountable screw between described sleeve and outer housing.
The most according to claim 3 pair of item Manual adjustable is without the infrared tight shot of transconversion into heat, it is characterised in that: before described
O RunddichtringO it is provided with between lens barrel and sleeve, between sleeve and outer housing.
The most according to claim 3 pair of item Manual adjustable is without the infrared tight shot of transconversion into heat, it is characterised in that: before described
One end of lens barrel withstands on the step surface of sleeve through expansion ring, the other end of described front lens barrel through shell fragment with after lens barrel elasticity even
Connecing, described front lens barrel is slidably matched with sleeve, described rear lens barrel with sleeve through threadeding.
The most according to claim 6 pair of item Manual adjustable is without the infrared tight shot of transconversion into heat, it is characterised in that stretch described in:
Contracting ring is made of plastics, and described shell fragment is made of metal.
8. double item Manual adjustable are without the method for work of the infrared tight shot of transconversion into heat, it is characterised in that comprise such as right
Require that the double item Manual adjustable described in 1 ~ 7, without the infrared tight shot of transconversion into heat, comprise the steps of
(1) described positive light focus lens A is arranged in front lens barrel, described negative light focus lens B and positive light focus lens C is arranged on
In rear lens barrel, described front lens barrel is arranged in sleeve with rear lens barrel and is connected one entirety of formation, by described sleeve and outer housing spiral shell
Stricture of vagina connects, and is threadeded with detector by outer housing；
(2) utilize described screw that sleeve and outer housing are fixedly connected as an entirety, hold described driving lever and drive outer housing relatively to visit
Survey device rotates so that described front lens barrel is subjected to displacement with rear lens barrel opposing detector, it is achieved the adjustment of rear cut-off distance；
(3) described screw is removed, sleeve described in manual rotation so that described front lens barrel is connected shape be arranged on sleeve with rear lens barrel in
The entirety become is subjected to displacement with detector relative to outer housing, it is achieved the adjustment of rear cut-off distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699341.1A CN106125275A (en) | 2016-08-22 | 2016-08-22 | Double Manual adjustable are without the infrared tight shot of transconversion into heat and method of work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699341.1A CN106125275A (en) | 2016-08-22 | 2016-08-22 | Double Manual adjustable are without the infrared tight shot of transconversion into heat and method of work |
Publications (1)
| Publication Number | Publication Date |
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| CN106125275A true CN106125275A (en) | 2016-11-16 |
Family
ID=57279641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610699341.1A Pending CN106125275A (en) | 2016-08-22 | 2016-08-22 | Double Manual adjustable are without the infrared tight shot of transconversion into heat and method of work |
Country Status (1)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106443938A (en) * | 2016-12-16 | 2017-02-22 | 福建福光天瞳光学有限公司 | High-transmittance type far infrared long wave focusing lens and working method thereof |
| CN106443937A (en) * | 2016-12-16 | 2017-02-22 | 福建福光天瞳光学有限公司 | Short-focus mechanical passive athermalization camera lens and focusing method thereof |
| CN106526807A (en) * | 2016-12-16 | 2017-03-22 | 福建福光天瞳光学有限公司 | Short-focal-length and wide-angle type uncooled long-wave infrared temperature measurement lens and focusing method thereof |
| CN106707455A (en) * | 2016-12-19 | 2017-05-24 | 福建福光天瞳光学有限公司 | Non-refrigerating far-infrared mechanical passive heat-free security lens and use method thereof |
| CN106896484A (en) * | 2017-04-20 | 2017-06-27 | 福建福光天瞳光学有限公司 | A kind of heavy caliber machinery is passive without the infrared telephoto lens of thermalization and its application method |
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| CN105487193A (en) * | 2016-01-29 | 2016-04-13 | 福建福光股份有限公司 | F19mm large relative aperture mechanical passive type athermalized lens and compensation adjusting method |
| CN206020799U (en) * | 2016-08-22 | 2017-03-15 | 福建福光天瞳光学有限公司 | Double Manual adjustables are without the infrared tight shot of transconversion into heat |
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| GB1559514A (en) * | 1976-10-02 | 1980-01-23 | Pilkington Perkin Elmer Ltd | Infra-red zoom lenses |
| CN1670560A (en) * | 2004-03-19 | 2005-09-21 | 普立尔科技股份有限公司 | Fixed focus digital lens |
| WO2010121723A1 (en) * | 2009-04-20 | 2010-10-28 | DüRR DENTAL AG | Dental or medical camera |
| CN204287593U (en) * | 2014-12-18 | 2015-04-22 | 福建福光数码科技有限公司 | High resolving power manual zoom pick-up lens |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106443938A (en) * | 2016-12-16 | 2017-02-22 | 福建福光天瞳光学有限公司 | High-transmittance type far infrared long wave focusing lens and working method thereof |
| CN106443937A (en) * | 2016-12-16 | 2017-02-22 | 福建福光天瞳光学有限公司 | Short-focus mechanical passive athermalization camera lens and focusing method thereof |
| CN106526807A (en) * | 2016-12-16 | 2017-03-22 | 福建福光天瞳光学有限公司 | Short-focal-length and wide-angle type uncooled long-wave infrared temperature measurement lens and focusing method thereof |
| CN106443937B (en) * | 2016-12-16 | 2019-01-04 | 福建福光天瞳光学有限公司 | Short focus machinery is passively without thermalization camera lens and its focus adjustment method |
| CN106443941B (en) * | 2016-12-16 | 2019-01-29 | 福建福光天瞳光学有限公司 | F20mm machinery is passively without thermalization LONG WAVE INFRARED tight shot and its focus adjustment method |
| CN106707455A (en) * | 2016-12-19 | 2017-05-24 | 福建福光天瞳光学有限公司 | Non-refrigerating far-infrared mechanical passive heat-free security lens and use method thereof |
| CN106896484A (en) * | 2017-04-20 | 2017-06-27 | 福建福光天瞳光学有限公司 | A kind of heavy caliber machinery is passive without the infrared telephoto lens of thermalization and its application method |
| CN106896484B (en) * | 2017-04-20 | 2022-05-27 | 福建福光天瞳光学有限公司 | Large-caliber mechanical passive athermal infrared telephoto lens and use method thereof |
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Application publication date: 20161116 |