CN206020789U - F19mm long wave non-brake method optics is without transconversion into heat camera lens - Google Patents
F19mm long wave non-brake method optics is without transconversion into heat camera lens Download PDFInfo
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- CN206020789U CN206020789U CN201620913865.1U CN201620913865U CN206020789U CN 206020789 U CN206020789 U CN 206020789U CN 201620913865 U CN201620913865 U CN 201620913865U CN 206020789 U CN206020789 U CN 206020789U
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Abstract
This utility model is related to a kind of f19mm long waves non-brake method optics without transconversion into heat camera lens, in the optical system of the camera lens, along light, incident direction is sequentially provided with plus lens A, minus lenses B and plus lens C from left to right, the frame for movement of the camera lens includes body tube, the plus lens A, minus lenses B and plus lens C are on the inwall of body tube, BC spacer rings are provided between the minus lenses B and plus lens C, are provided with AB spacer rings between the plus lens A and minus lenses B.The features such as f19mm long wave non-brake method optics has compact conformation and high permeability without transconversion into heat camera lens, in optical design, reasonable distribution focal power, realize the optics of temperature self-adaptation without transconversion into heat feature, can be adapted to 640 × 512,17 μm of detectors of LWIR Uncooled type, execute document recording and safety monitoring task.
Description
Technical field
This utility model is related to lens technology field, and particularly a kind of f19mm long waves non-brake method optics is without transconversion into heat camera lens.
Background technology
Infrared lens have that good in anti-interference performance, night operating distance are remote, it is strong to penetrate flue dust, haze ability, can round-the-clock,
Round-the-clock work, the ability for having the observation of multiple target panorama, tracking and target recognition ability and good anti-target stealthy etc. are excellent
Point.With the fast development of infrared imagery technique, infrared lens have a wide range of applications in fields such as safety monitorings.Traditional is red
Outer Lens are bigger than normal, it is inconvenient, image blurring unclear to carry, and contrast declines, and the imaging performance of camera lens is poor.
Utility model content
The purpose of this utility model is for above weak point, there is provided a kind of f19mm long waves simple and compact for structure
Non-brake method optics is without transconversion into heat camera lens.
The technical solution of the utility model is that a kind of f19mm long waves non-brake method optics is without transconversion into heat camera lens, the light of the camera lens
In system, along light, incident direction is sequentially provided with plus lens A, minus lenses B and plus lens C, the machinery of the camera lens from left to right
Structure includes body tube, the plus lens A, minus lenses B and plus lens C on the inwall of body tube, the minus lenses B with
BC spacer rings are provided between plus lens C, are provided with AB spacer rings between the plus lens A and minus lenses B.
Further, the plus lens C carries out spacing through the end of body tube, and the premenstrual trim ring of the plus lens A carries out solid
Fixed.
Further, the airspace between the plus lens A and minus lenses B is 1mm, the minus lenses B and plus lens C
Between airspace be 10mm.
Compared with prior art, this utility model has the advantages that：The f19mm long wave non-brake method optics is without transconversion into heat
The features such as camera lens has short, easy to carry compact conformation, lens construction length, high permeability；In optical design, reasonable distribution
Focal power, realizes the optics of temperature self-adaptation without transconversion into heat feature, can be with 640 × 512, the 17 μm of detections of LWIR Uncooled type
Device is adapted to, and executes document recording and safety monitoring task；Simple structure, small volume, are suitable for the uncooled ir optics of miniaturization
System is used；There is high imaging resolution；Cost of manufacture is cheap, suitable for scale production.
Description of the drawings
Below in conjunction with the accompanying drawings this utility model patent is further illustrated.
Fig. 1 is the optical system schematic diagram of the utility model；
Fig. 2 is the frame for movement schematic diagram of the utility model；
In figure：
A- plus lens A；B- minus lenses B；C- plus lens C；1- body tubes；2-BC spacer rings；3-AB spacer rings；Trim ring before 4-.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is further illustrated.
As shown in Fig. 1～2, a kind of f19mm long waves non-brake method optics is without transconversion into heat camera lens, edge in the optical system of the camera lens
Incident direction is sequentially provided with plus lens A, minus lenses B and plus lens C to light from left to right, and the frame for movement of the camera lens includes leading
Lens barrel, the plus lens A, minus lenses B and plus lens C on the inwall of body tube 1, the minus lenses B and plus lens C it
Between be provided with BC spacer rings 2, be provided with AB spacer rings 3 between the plus lens A and minus lenses B.
In the present embodiment, the plus lens C carries out spacing through the end of body tube, and the premenstrual trim ring 4 of the plus lens A enters
Row is fixed.
In the present embodiment, the airspace between the plus lens A and minus lenses B is 1mm, the minus lenses B and just
Airspace between lens C is 10mm.
In the present embodiment, on the premise of compact conformation is ensured, adopt a series of measures, improve camera lens vibration resistance, punching
The ability that hits, body tube adopt integrated design, with good sealing property, can carry out rigidity in lens construction design
Calculate, suitably increase wall thickness, improve natural frequency, improve the vibration resistance of camera lens, it is ensured that the use requirement of system, it is ensured that camera lens
Sealing property.
In the present embodiment, in optical design, optical passive mode utilizes the difference between optical material thermal characteristicss without transconversion into heat
Different, the impact of temperature is eliminated by the combination of different qualities material, is kept, as matter is stable, realizing temperature certainly interior in a big way
The optics of adaptation enables infrared optical system to keep good image quality within the scope of a larger temperature without transconversion into heat.
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′=19mm；
（3）Detector：640 × 512,17 μm of LWIR Uncooled type；
（4）The angle of visual field：31.6°×25.3°；
（5）Relative aperture D/f '：1/1.1；
（6）Optics volume：29.1mm×19.6mm×19.6mm（Length × width × height）.
Above-listed preferred embodiment, is further described to the purpose of this utility model, technical scheme and advantage,
Be should be understood that the foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements that is made etc. should be included in this practicality
Within new protection domain.
Claims (3)
1. a kind of f19mm long waves non-brake method optics is without transconversion into heat camera lens, it is characterised in that：Along light in the optical system of the camera lens
Incident direction is sequentially provided with plus lens A, minus lenses B and plus lens C from left to right, and the frame for movement of the camera lens includes primary mirror
Cylinder, the plus lens A, minus lenses B and plus lens C are arranged on the inwall of body tube, between the minus lenses B and plus lens C
BC spacer rings are provided with, between the plus lens A and minus lenses B, AB spacer rings is provided with.
2. f19mm long waves non-brake method optics according to claim 1 is without transconversion into heat camera lens, it is characterised in that：The plus lens C
Carry out spacing through the end of body tube, the premenstrual trim ring of the plus lens A is fixed.
3. f19mm long waves non-brake method optics according to claim 1 is without transconversion into heat camera lens, it is characterised in that：The plus lens A
And the airspace between minus lenses B is 1mm, the airspace between the minus lenses B and plus lens C is 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620913865.1U CN206020789U (en) | 2016-08-22 | 2016-08-22 | F19mm long wave non-brake method optics is without transconversion into heat camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620913865.1U CN206020789U (en) | 2016-08-22 | 2016-08-22 | F19mm long wave non-brake method optics is without transconversion into heat camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206020789U true CN206020789U (en) | 2017-03-15 |
Family
ID=58249259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620913865.1U Active CN206020789U (en) | 2016-08-22 | 2016-08-22 | F19mm long wave non-brake method optics is without transconversion into heat camera lens |
Country Status (1)
| Country | Link |
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| CN (1) | CN206020789U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107357020A (en) * | 2017-08-01 | 2017-11-17 | 福建福光股份有限公司 | A kind of infrared lens for two waveband navigation sensor |
| CN111999842A (en) * | 2020-08-30 | 2020-11-27 | 福建福光天瞳光学有限公司 | f35mm mechanical passive athermalization lens and assembling method thereof |
-
2016
- 2016-08-22 CN CN201620913865.1U patent/CN206020789U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107357020A (en) * | 2017-08-01 | 2017-11-17 | 福建福光股份有限公司 | A kind of infrared lens for two waveband navigation sensor |
| CN107357020B (en) * | 2017-08-01 | 2020-07-17 | 福建福光股份有限公司 | Infrared lens for dual-band navigation sensor |
| CN111999842A (en) * | 2020-08-30 | 2020-11-27 | 福建福光天瞳光学有限公司 | f35mm mechanical passive athermalization lens and assembling method thereof |
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| GR01 | Patent grant |