CN204578635U - A kind of infrared camera and focal plane registration apparatus thereof - Google Patents
A kind of infrared camera and focal plane registration apparatus thereof Download PDFInfo
- Publication number
- CN204578635U CN204578635U CN201520201513.9U CN201520201513U CN204578635U CN 204578635 U CN204578635 U CN 204578635U CN 201520201513 U CN201520201513 U CN 201520201513U CN 204578635 U CN204578635 U CN 204578635U
- Authority
- CN
- China
- Prior art keywords
- infrared
- camera
- infrared camera
- focal plane
- reflecting
- Prior art date
- 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.)
- Active
Links
Landscapes
- Microscoopes, Condenser (AREA)
Abstract
The utility model relates to a kind of infrared camera and focal plane registration apparatus thereof, and particularly a kind of infrared camera and focal plane registration apparatus thereof being applied to space flight, belongs to space flight optical remote sensor technical field.The utility model method is by building the focal plane registration apparatus being applicable to visible spectrum, solution operating spectrum band is that the complete machine of infrared camera is debug and focal plane registration problems, registration measuring accuracy can be measured intuitively, the infrared spectral coverage cannot observed by human eye is converted into the discernible visible spectrum of human eye, there is good expansibility, be convenient to carry out the key links such as camera is debug, test.
Description
Technical field
The utility model relates to a kind of infrared camera and focal plane registration apparatus thereof, and particularly a kind of infrared camera and focal plane registration apparatus thereof being applied to space flight, belongs to space flight optical remote sensor technical field.
Background technology
Due to the spectral response that different ground object target is corresponding different, infrared camera plays a part more and more important in natural calamity, environmental pollution, resources measurement and assessment.For obtaining the different characteristic information of same scenery, improve information content and the accuracy of target image, this requires camera at each spectral coverage of synchronization to same scenery target imaging.The Method of Adjustment of infrared camera focal plane registration belongs to brand-new field, due to infrared image human eye None-identified, needs to use special method to carry out, do not see disclosed data to this.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of infrared camera and focal plane registration apparatus thereof are proposed, this infrared camera can at each spectral coverage of synchronization to same scenery target imaging, infrared spectral coverage is transformed into visible spectrum and carries out focal plane registration by this equipment, the high-quality achieving infrared camera complete machine is debug, have precision high, debug the advantages such as simple, highly versatile.
The purpose of this utility model is achieved through the following technical solutions.
A kind of infrared camera of the present utility model, the optical module of this infrared camera comprises Amici prism, three infrared CCD detectors and camera lens; Wherein camera lens comprises primary mirror, secondary mirror and three mirrors;
Collimated light beam reflects after primary mirror, the part of reflection reflects through secondary mirror, the part of reflection is exporting convergent beam again after three mirrors reflect, three parts that convergent beam is divided into spectral region different after Amici prism light splitting, the focal position of three light beams places an infrared CCD detector respectively, and namely three light beams carries out imaging on infrared CCD detector;
The plane of incidence of above-mentioned Amici prism, reflecting surface and exiting surface plate long-pass film, short-pass film or anti-reflection film, makes Amici prism can visible light transmissive spectral coverage, simultaneously also transmissive INFRARED SPECTRUM;
The cover glass of above-mentioned infrared CCD detector plates long-pass film, short-pass film or anti-reflection film, make cover glass can visible light transmissive spectrum, simultaneously also transmissive INFRARED SPECTRUM.
The focal plane registration apparatus of a kind of infrared camera of the present utility model, this equipment comprises half-reflecting half mirror, parallel light tube, test target, microscope camera system, image data processing system and light source; First infrared camera is placed on turntable, turntable can carry out level and luffing angle rotates, the reverberation that the light beam that light source sends is formed after half-reflecting half mirror reflects is by again reflecting after the optical module of infrared camera, the reverberation again carrying out reflecting successively by half-reflecting half mirror, parallel light tube, test target and microscope camera system imaging on microscope camera system, by image data processing system being observed the pixel enlarged image of infrared CCD detector.
To focus the spectral coverage that face process uses different from camera, infrared CCD detector uses visible spectrum to carry out focal plane registration, because optical system is not telecentric beam path in image space, focus in the process of face in infrared camera actual imaging, the imaging on infrared CCD detector of visible spectrum and infrared spectral coverage also exists certain deviation.Utilize optical design software, respectively ray tracing Algorithm Analysis is carried out through Amici prism to visible spectrum and infrared spectral coverage, by calculating the image height numerical value of the intersegmental rear cut-off distance of visible ray and INFRARED SPECTRUM and peripheral field, and be scaled to the preset infrared CCD detector assembly linear array direction of focal surface of collimator tube deviation and the position perpendicular to linear array direction.
The utility model advantage is compared with prior art:
(1) the utility model method is by building the focal plane registration apparatus being applicable to visible spectrum, solution operating spectrum band is that the complete machine of infrared camera is debug and focal plane registration problems, registration measuring accuracy can be measured intuitively, the infrared spectral coverage cannot observed by human eye is converted into the discernible visible spectrum of human eye, there is good expansibility, be convenient to carry out the key links such as camera is debug, test;
(2) visible ray and infrared spectral coverage are by the optimal focal plane position after focal plane registration apparatus and peripheral field image height deviation, determine the visible spectrum value of Amici prism transmission, the rete design of Amici prism is determined with this, by the relative position of accurate preset infrared CCD photosurface, and the Real-Time Monitoring debuging process is guaranteed that infrared spectral coverage multispectral section of pixel focal plane registration process is controlled, registration accuracy can be measured intuitively simultaneously, have and debug versatility advantages of higher;
(3) the utility model apparatus assembly is less, beam-splitting structure form is more simple, focal plane subassembly resetting difficulty reduces, multispectral section of registration and the separate-blas estimation requirement of Visible Light Camera and infrared camera can be met simultaneously, particularly had breakthrough in visible, near-infrared, infrared resource Subsection spectrum registration context of detection.
Accompanying drawing explanation
Fig. 1 is the optical module composition schematic diagram of infrared camera of the present utility model;
Fig. 2 is the composition schematic diagram of focal plane registration apparatus;
Fig. 3 is the image in embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment
As shown in Figure 1, a kind of infrared camera, the optical module of this infrared camera comprises Amici prism 2, three infrared CCD detectors 3 and camera lens 11; Wherein camera lens 11 comprises primary mirror 8, secondary mirror 9 and three mirrors 10;
Collimated light beam reflects after primary mirror 8, the part of reflection reflects through secondary mirror 9, the part of reflection exports convergent beam again after three mirrors 10 reflect, three parts that convergent beam is divided into spectral region different after Amici prism 2 light splitting, the focal position of three light beams places an infrared CCD detector 3 respectively, and namely three light beams carries out imaging on infrared CCD detector 3;
Above-mentioned Amici prism 2 by optical epoxy glue 7 pieces of monolithic prism cementings is integrated to form, and places air-gap adhesive tape, ensure the gap of 5 μm at the fully reflecting surface of Amici prism 2.By the incidence surface plating anti-reflection film at Amici prism 2, the transmitance of incident light is made to reach 99%, at the reflecting surface plating long-pass film of Amici prism 2, and plate short-pass film at the exiting surface of Amici prism 2, make the exiting surface 1 energy infrared spectrum of transmission 1.18 μm ~ 1.3 μm and the visible spectrum of 0.45 μm ~ 0.52 μm simultaneously at Amici prism 2.Meanwhile, at the exiting surface 2 energy infrared spectrum of transmission 1.55 μm ~ 1.7 μm and the visible spectrum of 0.52 μm ~ 0.56 μm simultaneously of Amici prism 2.In addition, at the infrared spectrum of exiting surface 3 transmissive 0.9 μm ~ 1.1 μm of Amici prism 2.
The cover glass of above-mentioned infrared CCD detector 3 plates short-pass film, makes the visible spectrum of cover glass both transmissive 0.45 μm ~ 0.56 μm, simultaneously the infrared spectrum of also transmissive 0.9 μm ~ 1.7 μm.
As shown in Figure 2, a kind of focal plane registration apparatus of infrared camera, this equipment comprises half-reflecting half mirror 14, parallel light tube 15, test target 16, microscope camera system 17, image data processing system 18 and light source 19; First infrared camera is placed on turntable 13, the reverberation that the light beam that light source 19 sends is formed after half-reflecting half mirror 14 reflects is by again reflecting after the optical module of infrared camera, the reverberation again carrying out reflecting is successively by half-reflecting half mirror 14, parallel light tube 15, test target 16 and microscope camera system 17, imaging on microscope camera system 17, by image data processing system 18 being observed the pixel enlarged image of infrared CCD detector 3.
Use above-mentioned infrared camera and registration apparatus to the imaging of pixel mark triangle, at the initial position of turntable 13 by image data processing system 18 can be observed the pixel enlarged image 3 of the pixel enlarged image 1 of infrared CCD detector 3, the pixel enlarged image 2 of infrared CCD detector 3 and infrared CCD detector 3 simultaneously.Horizontally rotate 1.5 ° by turntable 13, image data processing system 18 can be observed the pixel enlarged image 3 of infrared CCD detector 3 at the pixel enlarged image 1 of the positive peripheral field of infrared camera, the pixel enlarged image 2 of infrared CCD detector 3 and infrared CCD detector 3 simultaneously.Horizontally rotate-1.5 ° by turntable 13, image data processing system 18 can be observed the pixel enlarged image 3 of infrared CCD detector 3 at the pixel enlarged image 1 of the negative peripheral field of infrared camera, the pixel enlarged image 2 of infrared CCD detector 3 and infrared CCD detector 3 simultaneously.As shown in Figure 3, the alignment precision between three infrared image element mark enlarged images can reach 2 μm, is equivalent to 0.1 pixel.Infrared camera of the present utility model can realize in the requirement of each spectral coverage of synchronization to same scenery target imaging, infrared spectral coverage can be transformed into visible spectrum and carry out focal plane registration by this equipment, the high-quality achieving infrared camera complete machine is debug, have precision high, debug the advantages such as simple, highly versatile.
The content be not described in detail in the utility model specification belongs to the known technology of those skilled in the art.
Claims (2)
1. an infrared camera, is characterized in that: the optical module of this infrared camera comprises Amici prism, three infrared CCD detectors and camera lens; Wherein camera lens comprises primary mirror, secondary mirror and three mirrors;
Collimated light beam reflects after primary mirror, the part of reflection reflects through secondary mirror, the part of reflection is exporting convergent beam again after three mirrors reflect, three parts that convergent beam is divided into spectral region different after Amici prism light splitting, the focal position of three light beams places an infrared CCD detector respectively, and namely three light beams carries out imaging on infrared CCD detector;
The plane of incidence of above-mentioned Amici prism, reflecting surface and exiting surface plate long-pass film, short-pass film or anti-reflection film, makes Amici prism can visible light transmissive spectral coverage, simultaneously also transmissive INFRARED SPECTRUM;
The cover glass of above-mentioned infrared CCD detector plates long-pass film, short-pass film or anti-reflection film, make cover glass can visible light transmissive spectrum, simultaneously also transmissive INFRARED SPECTRUM.
2. a focal plane registration apparatus for infrared camera according to claim 1, is characterized in that: this equipment comprises half-reflecting half mirror, parallel light tube, test target, microscope camera system, image data processing system and light source; First infrared camera is placed on turntable, turntable can carry out level and luffing angle rotates, the reverberation that the light beam that light source sends is formed after half-reflecting half mirror reflects is by again reflecting after the optical module of infrared camera, the reverberation again carrying out reflecting successively by half-reflecting half mirror, parallel light tube, test target and microscope camera system imaging on microscope camera system, by image data processing system being observed the pixel enlarged image of infrared CCD detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520201513.9U CN204578635U (en) | 2015-04-03 | 2015-04-03 | A kind of infrared camera and focal plane registration apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520201513.9U CN204578635U (en) | 2015-04-03 | 2015-04-03 | A kind of infrared camera and focal plane registration apparatus thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204578635U true CN204578635U (en) | 2015-08-19 |
Family
ID=53871221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520201513.9U Active CN204578635U (en) | 2015-04-03 | 2015-04-03 | A kind of infrared camera and focal plane registration apparatus thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204578635U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768391A (en) * | 2016-11-21 | 2017-05-31 | 上海卫星工程研究所 | Imager difference focal plane spectral coverage registration accuracy method of testing |
| CN108833909A (en) * | 2018-07-16 | 2018-11-16 | 北京空间机电研究所 | A kind of binary channels focal plane registration debugging device and method |
| CN110018547A (en) * | 2018-01-09 | 2019-07-16 | 北京振兴计量测试研究所 | The passive athermal device of machinery for wide temperature range infrared collimator |
| CN111238449A (en) * | 2020-01-16 | 2020-06-05 | 中国科学院西安光学精密机械研究所 | Total reflection type underwater camera suitable for deep sea environment |
-
2015
- 2015-04-03 CN CN201520201513.9U patent/CN204578635U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768391A (en) * | 2016-11-21 | 2017-05-31 | 上海卫星工程研究所 | Imager difference focal plane spectral coverage registration accuracy method of testing |
| CN106768391B (en) * | 2016-11-21 | 2019-01-18 | 上海卫星工程研究所 | Imager difference focal plane spectral coverage registration accuracy test method |
| CN110018547A (en) * | 2018-01-09 | 2019-07-16 | 北京振兴计量测试研究所 | The passive athermal device of machinery for wide temperature range infrared collimator |
| CN110018547B (en) * | 2018-01-09 | 2021-06-18 | 北京振兴计量测试研究所 | Mechanical passive heat difference eliminating device for wide temperature range infrared collimator |
| CN108833909A (en) * | 2018-07-16 | 2018-11-16 | 北京空间机电研究所 | A kind of binary channels focal plane registration debugging device and method |
| CN111238449A (en) * | 2020-01-16 | 2020-06-05 | 中国科学院西安光学精密机械研究所 | Total reflection type underwater camera suitable for deep sea environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102564611B (en) | High-power laser wave front measuring instrument and wave front measuring method | |
| CN103791860B (en) | The tiny angle measurement device and method of view-based access control model detection technique | |
| CN204578635U (en) | A kind of infrared camera and focal plane registration apparatus thereof | |
| CN106546335A (en) | A kind of dual pathways Fourier spectrometer and detection method | |
| CN102141373A (en) | Light spot center real-time detection system and detection method | |
| CN106931888B (en) | A kind of double light path type laser displacement sensor | |
| CN107121095A (en) | A kind of method and device of accurate measurement super-large curvature radius | |
| CN105066910B (en) | Electro-optic crystal Z axis deviate angle measuring device and measuring method | |
| CN104279978A (en) | Three-dimensional figure detecting device and measuring method | |
| CN103471524B (en) | Confocal paraboloids vertex curvature radius measuring method | |
| CN108152991A (en) | The assembly method and device of a kind of optical lens | |
| CN102435146A (en) | Optical lens center thickness measuring system and method | |
| CN105675633A (en) | Calibration device of X-ray framing camera | |
| CN103116209A (en) | Method for adjusting optical axis parallelism of multi-optical-axis imager | |
| CN108747029A (en) | A kind of teaching type laser engraving cutter and control method, application | |
| CN105450912B (en) | The real-time field stitching method of scanning method area array CCD detector | |
| CN201903342U (en) | Optical splitting goniometer | |
| CN104748855A (en) | Dual-channel high-throughput interference imaging spectral device and method | |
| CN103615972A (en) | Optical interferometer used for detecting inner surface of hollow cylinder | |
| CN102507019A (en) | Hartmann wavefront sensor based on micro-scanning for image quality detection | |
| CN104634742B (en) | A kind of multispectral polarization scans radiometer based on reflection telescopic system | |
| CN103185545B (en) | Space vector thing three-dimensional rotation coordinate measuring method | |
| CN103323758B (en) | Day blind ultraviolet imagery formula distance measuring equipment | |
| CN105091797B (en) | A kind of single CCD intensity correlation autocollimator | |
| CN104330053A (en) | Micro angle measurement method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |