KR101039105B1 - 열화상카메라용 이중배율 렌즈모듈 - Google Patents
열화상카메라용 이중배율 렌즈모듈 Download PDFInfo
- Publication number
- KR101039105B1 KR101039105B1 KR1020090094902A KR20090094902A KR101039105B1 KR 101039105 B1 KR101039105 B1 KR 101039105B1 KR 1020090094902 A KR1020090094902 A KR 1020090094902A KR 20090094902 A KR20090094902 A KR 20090094902A KR 101039105 B1 KR101039105 B1 KR 101039105B1
- Authority
- KR
- South Korea
- Prior art keywords
- lens unit
- lens
- magnification
- image
- thermal imaging
- Prior art date
Links
- 238000001931 thermography Methods 0.000 title claims abstract description 23
- 230000009977 dual effect Effects 0.000 title claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 15
- 230000006866 deterioration Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 description 4
- 206010064097 avian influenza Diseases 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005499 meniscus Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 201000010740 swine influenza Diseases 0.000 description 2
- 208000002979 Influenza in Birds Diseases 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 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
Images
Classifications
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- 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
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
- G02B7/105—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens with movable lens means specially adapted for focusing at close distances
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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
-
- 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
- G02B15/22—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 movable lens means specially adapted for focusing at close distances
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Studio Devices (AREA)
- Lens Barrels (AREA)
Abstract
Description
Items | Design Result | |
Uncooled IR Detector | 320x240, 25μm | |
Spectral Range [μm] | 7.5 ~ 13.0 | |
Reference Wavelength [μm] | 10.6 | |
Zoom ratio | 3 : 1 | |
Field of View [°] | Narrow (X 3) | 8 x 6 |
Wide (X 1) | 24 x 18 | |
Effective Focal Length [mm] | Narrow (X 3) | 55.0 |
Wide (X 1) | 19.0 | |
F-number | 1.04 | |
MTF | ≥ 0.5 | |
Transmission [%] | 78.5 | |
Overall length [mm] | 132.83 |
Claims (3)
- 피사체와 대향하여 피사체에서 반사되는 빛을 수광하여 상을 포착하도록 한 제1렌즈부(100);광축방향으로 제1렌즈부(100)의 후측에 위치하여, 상을 디지털 영상신호로 변환하여 출력하는 적외선검출기(600)로 제1렌즈부(100)가 수광한 상을 결상하도록 한 제2렌즈부(200);상기 제2렌즈부(200)와 제1렌즈부(100)를 가로질러 설치되어 제2렌즈부(200)가 제1렌즈부(100)의 광축방향에 놓이게 서로를 고정하는 다수개의 고정바들(400,400');상기 고정바들(400,400') 사이에 슬라이드 방식으로 이동가능하게 설치되어 제1렌즈부(100)와 제2렌즈부(200) 사이에 위치하여, 제1렌즈부(100)와 제2렌즈부(200) 사이를 광축방향으로 이동하며 상의 배율을 변환시키고 비열화를 보상하도록 한 제3렌즈부(300); 및상기 제1렌즈부(100)와 제2렌즈부(200) 및 제3렌즈부(300)를 가로질러 관통하게 설치되어 회전하는 나사봉(510)과, 나사봉(510)의 일단에 설치되는 구동모터(530)로 이루어져, 구동모터(530)가 나사봉(510)을 회전시킴에 의해 제3렌즈부(300)가 나사봉(510)의 나사를 타고 제1렌즈부(100)와 제2렌즈부(200) 사이를 이동할 수 있도록 한 이동수단(500)을 포함하여 구성된, 열화상카메라용 이중배율 렌즈모듈.
- 제1항에 있어서, 상기 고정바들(400,400') 중 일부는 판형상으로서 길이방향으로 1개 이상의 장공(410)을 갖고, 제3렌즈부(300)의 외주면에는 그 장공(410)에 끼워지는 돌기(310)가 형성된 것을 특징으로 하는 열화상카메라용 이중배율 렌즈모듈.
- 제1항에 있어서, 구동모터(430)는 구동정밀도 5㎛로 미세초점조정이 가능하도록 이루어짐을 특징으로 하는 열화상카메라용 이중배율 렌즈모듈.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090094902A KR101039105B1 (ko) | 2009-10-07 | 2009-10-07 | 열화상카메라용 이중배율 렌즈모듈 |
Applications Claiming Priority (1)
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KR1020090094902A KR101039105B1 (ko) | 2009-10-07 | 2009-10-07 | 열화상카메라용 이중배율 렌즈모듈 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20110037450A KR20110037450A (ko) | 2011-04-13 |
KR101039105B1 true KR101039105B1 (ko) | 2011-06-07 |
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KR1020090094902A KR101039105B1 (ko) | 2009-10-07 | 2009-10-07 | 열화상카메라용 이중배율 렌즈모듈 |
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KR (1) | KR101039105B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101127905B1 (ko) * | 2012-01-04 | 2012-03-22 | 국방과학연구소 | 광기구적 복합 수동형 비열화 메커니즘이 적용된 적외선 카메라 |
KR101265436B1 (ko) | 2011-08-31 | 2013-05-16 | (주)토핀스 | 비냉각 열화상카메라용 연속줌 렌즈모듈 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101127907B1 (ko) * | 2011-11-04 | 2012-03-21 | 국방과학연구소 | 비균등렌즈가 적용된 비대칭 광각 적외선 광학계 및 상기 광학계를 포함하는 열영상장비 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04234719A (ja) * | 1990-12-31 | 1992-08-24 | Petori Kogyo Kk | ズーム双眼鏡の視度調節装置 |
JPH05210147A (ja) * | 1992-01-30 | 1993-08-20 | Olympus Optical Co Ltd | レンズの繰り出し制御装置 |
KR20060014962A (ko) * | 2004-08-13 | 2006-02-16 | 노하우뱅크(주) | 카메라의 배율조절장치 |
JP2006145692A (ja) | 2004-11-17 | 2006-06-08 | Fuji Photo Film Co Ltd | レンズ駆動装置 |
-
2009
- 2009-10-07 KR KR1020090094902A patent/KR101039105B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04234719A (ja) * | 1990-12-31 | 1992-08-24 | Petori Kogyo Kk | ズーム双眼鏡の視度調節装置 |
JPH05210147A (ja) * | 1992-01-30 | 1993-08-20 | Olympus Optical Co Ltd | レンズの繰り出し制御装置 |
KR20060014962A (ko) * | 2004-08-13 | 2006-02-16 | 노하우뱅크(주) | 카메라의 배율조절장치 |
JP2006145692A (ja) | 2004-11-17 | 2006-06-08 | Fuji Photo Film Co Ltd | レンズ駆動装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101265436B1 (ko) | 2011-08-31 | 2013-05-16 | (주)토핀스 | 비냉각 열화상카메라용 연속줌 렌즈모듈 |
KR101127905B1 (ko) * | 2012-01-04 | 2012-03-22 | 국방과학연구소 | 광기구적 복합 수동형 비열화 메커니즘이 적용된 적외선 카메라 |
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Publication number | Publication date |
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KR20110037450A (ko) | 2011-04-13 |
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