CN204439211U - A kind of ultra wide wave band collection of illustrative plates association sniffer - Google Patents
A kind of ultra wide wave band collection of illustrative plates association sniffer Download PDFInfo
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- CN204439211U CN204439211U CN201420867693.XU CN201420867693U CN204439211U CN 204439211 U CN204439211 U CN 204439211U CN 201420867693 U CN201420867693 U CN 201420867693U CN 204439211 U CN204439211 U CN 204439211U
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Abstract
The utility model discloses a kind of ultra wide wave band collection of illustrative plates association sniffer, comprise scanning mirror, Ka Shi catoptron group, spectroscope, catoptron, wide spectral lens combination, visible and NIR lens group, long wave imaging lens group, charge coupled cell image-generating unit, focal plane array image-forming unit, Fourier surveys spectrum unit and grating surveys spectrum unit.The utility model utilizes LONG WAVE INFRARED imaging and visible near-infrared imaging tentatively to identify target and guides surveys spectrum, utilize survey spectrum to complete target accurately to identify, solve existing detection wave band incomplete, light path layout is limited, equipment volume is large, a difficult problem for detection moving-target and dynamic change object ability difference.The utility model small volume, integrated level are high, easy to use and flexible, can realize the collection of illustrative plates observation of ultra wide wave band to the dynamic change of moving-target and outside scenery, can also realize automatically switches to various target follows the tracks of and identification can be widely used in national economy and national security field.
Description
Technical field
The utility model belongs to remote sensing and image recognition crossing domain, is specifically related to a kind of ultra wide wave band collection of illustrative plates association sniffer.
Background technology
The characteristic of object can be characterized by its spectrum, and spectrum comprises the spectrum of scattering environments irradiation and the spectrum of self radiation, and its spectrum signature can distinguish different objects or material, adds the space two-dimension image of object, makes the ability of remote sensing recognition object more powerful.
The equipment simultaneously collecting image and spectrum mostly is multispectral or EO-1 hyperion scanner, as airborne, the satellite-borne multispectral developed both at home and abroad and EO-1 hyperion scanner, install on board the aircraft, the rotation of its scanning mirror can make instantaneous field of view's work of reception perpendicular to the motion of heading, realizes the covering over the ground compared with wide cut.It is slow that this equipment forms original data processing speed; Usually to pass floor treatment back, be only applicable to the non real-time detection of static scene, moving target and dynamic phenomenon are difficult to be suitable for.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of ultra wide wave band collection of illustrative plates to associate sniffer and method, solves that existing collection of illustrative plates integrating system can not compound comprises as seen simultaneously, the full wave spectral measurement of near infrared, short-wave infrared, medium-wave infrared and LONG WAVE INFRARED and visible near-infrared fusion with LONG WAVE INFRARED measure a difficult problem.
To achieve these goals, the utility model provides a kind of ultra-wide figure spectrum detecting method collection of illustrative plates sniffer, comprise scanning mirror, Ka Shi catoptron group, first spectroscope, catoptron, first wide spectral lens combination, second wide spectral lens combination, 3rd wide spectral lens combination, 4th wide spectral lens combination, second spectroscope, 3rd spectroscope, visible and NIR lens group, long wave imaging lens group, charge coupled cell (Charge-coupled Device, CCD) image-generating unit, focal plane arrays (FPA) (focal planearray, FPA) image-generating unit, Fourier surveys spectrum unit and grating surveys spectrum unit, wherein:
Described scanning mirror rotates adjustment alignment of orientation target area by Serve Motor Control, and the light for being reflected target area reflexes to Ka Shi catoptron group; Ka Shi catoptron group is used for the light of reflection to collect back reflection to the first spectroscope, and 0.4-2um Infrared by 2-14um infrared transmission to the first wide spectral lens combination, and is reflexed to catoptron by the first spectroscope; Second spectroscope spectroscope be used for by the light fractional transmission of predetermined imaging band to LONG WAVE INFRARED imaging lens group, the light remainder of predetermined imaging band and other band of light are reflexed to the second wide spectral lens combination simultaneously; The light that LONG WAVE INFRARED imaging lens group is used for spectroscope to transmit focuses on FPA image-generating unit to be embodied as picture;
The light that second wide spectral lens combination is used for being gone out by dichroic mirror focuses on Fourier and surveys spectrum unit to realize spectra collection;
Catoptron by the 0.4-2um light reflection of the first dichroic mirror to the 3rd wide spectral lens combination; 3rd spectroscope is used for, by subscribing the light fractional transmission of imaging band to visible and NIR lens group, the light remainder of predetermined imaging band and other band of light being reflexed to the 4th wide spectral lens combination simultaneously; Visible and near infrared imaging lens combination is used for the light that the 3rd spectroscope transmits to focus on CCD image-generating unit to be embodied as picture;
4th wide spectral lens combination is used for the light that the 3rd dichroic mirror goes out being focused on grating type and surveys spectrum unit to realize spectra collection.
Further, described predetermined imaging band is the ultra wide wave band of visible, near infrared and LONG WAVE INFRARED.
In an embodiment of the present utility model, described scanning mirror comprises plane mirror, dimensional turntable and servomotor, and wherein said plane mirror is placed in dimensional turntable, and is fixed by the draw-in groove on turntable; Two driving shafts of servomotor are mechanically connected with dimensional turntable pitch axis and turning axle respectively; Dimensional turntable can drive plane mirror to realize the motion of rotation and pitching two dimensions under the driving of servomotor.
Further, described plane mirror adopts K9 glass, behind gold-plated reflection horizon to visible, near infrared light, short, in, LONG WAVE INFRARED has higher reflectivity.
In an embodiment of the present utility model, described Ka Shi catoptron group adopts Cassegrain system, is made up of a parabolic mirror and a hyperboloidal mirror, realizes, near infrared visible to target and LONG WAVE INFRARED spectrum imaging and collection of energy.
Further, described parabolic mirror and hyperboloidal mirror block than being not more than 3:1.
In an embodiment of the present utility model, described first spectroscope, the second spectroscope, the 3rd spectroscope plate double layer antireflection coating respectively, and the first spectroscope is totally reflected, to LONG WAVE INFRARED light total transmissivity visible, near infrared light; 50% LONG WAVE INFRARED Transmission light is realized the compensation correction of LONG WAVE INFRARED image quality by the second spectroscope to long wave imaging lens group, residual ray reflexes to the second wide spectral lens combination; By 50%, visible and transmission of near infra red light to visible and NIR lens group realizes visible, near infrared imaging mass compensation and corrects 3rd spectroscope, and residual ray reflexes to the 4th wide spectral lens combination.
In an embodiment of the present utility model, described first wide spectral lens combination, the second wide spectral lens combination for realizing the compensation correction to LONG WAVE INFRARED camera lens wide spectral energy focused light spot quality, the second wide spectral lens combination meet short, in, LONG WAVE INFRARED coupling fiber export requirement; 3rd wide spectral lens combination, the 4th wide spectral lens combination are for realizing compensation correction that is visible and near infrared wide spectral energy focused light spot quality, and the 4th wide spectral lens combination meets visible, near-infrared fibre-optical coupling output requirement.
In an embodiment of the present utility model, described first wide spectral lens combination, the second wide spectral lens combination, the 3rd wide spectral lens combination, the 4th wide spectral lens combination adopt optics athermalisation technology, when environment temperature is changed in-40 DEG C ~+60 DEG C, the maintenance of imaging surface position is stablized constant, exempts focusing structure.
Further, described device also comprises fusion signal transacting and control module, described fusion signal transacting and control module, for surveying the signal composing unit and the output of grating survey spectrum unit carry out fusion treatment to described CCD image-generating unit, FPA image-generating unit, Fourier.
The utility model not only has the feature of the collection of illustrative plates integration of multispectral scanner and imaging spectrometer, and automatically can detect the multiple moving-target in scene and dynamic phenomenon, follow the tracks of, survey spectrum with identify.
The utility model adopts infrared imaging and infrared survey spectrum to be total to the design that light path and visible near-infrared imaging and visible near-infrared survey compose light path altogether, the collection of illustrative plates observation of ultra wide wave band can be realized to the dynamic change of moving-target and outside scenery, also there is the response time simultaneously short, the feature that recognition efficiency is high.
The utility model adopts the collection of illustrative plates of visible near-infrared imaging and LONG WAVE INFRARED imaging one detecting devices to carry out detection to interesting target and identifies, obtain ultra-wide spectrum information and the image information of moving-target and dynamic change object, thus realize to the dynamic change of moving-target and outside scenery can the collection of illustrative plates observation realizing ultra wide wave band.
The utility model small volume, integrated level are high, easy to use and flexible, can be widely used in national economy and national security field.
Accompanying drawing explanation
Fig. 1 is the utility model ultra wide wave band collection of illustrative plates association sniffer structural representation;
Fig. 2 is ultra wide wave band collection of illustrative plates association detection system framework in the utility model embodiment;
Fig. 3 is scanning mirror structural representation in the utility model ultra wide wave band collection of illustrative plates association sniffer.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
As depicted in figs. 1 and 2, the utility model provides a kind of ultra-wide figure spectrum detecting method collection of illustrative plates sniffer, be integrated with imaging simultaneously and survey spectrum function, described device comprises scanning mirror, Ka Shi catoptron group, the first spectroscope, catoptron, the first wide spectral lens combination, the second wide spectral lens combination, the 3rd wide spectral lens combination, the 4th wide spectral lens combination, the second spectroscope, the 3rd spectroscope, visible and NIR lens group, long wave imaging lens group, CCD image-generating unit, FPA image-generating unit, Fourier survey spectrum unit and grating is surveyed and composed unit; Scanning mirror rotates adjustment alignment of orientation target area by Serve Motor Control, and the light that target area is reflected is reflexed to Ka Shi catoptron group; Ka Shi catoptron group is used for the light of reflection to collect back reflection to the first spectroscope, and 0.4-2um Infrared by 2-14um infrared transmission to the first wide spectral lens combination, and is reflexed to catoptron by the first spectroscope; Second spectroscope spectroscope be used for by the light fractional transmission of predetermined imaging band to LONG WAVE INFRARED imaging lens group, the light remainder of predetermined imaging band and other band of light are reflexed to the second wide spectral lens combination simultaneously; The light that LONG WAVE INFRARED imaging lens group is used for spectroscope to transmit focuses on FPA image-generating unit to be embodied as picture; The light that second wide spectral lens combination is used for being gone out by dichroic mirror focuses on Fourier and surveys spectrum unit to realize spectra collection; Catoptron by the 0.4-2um light reflection of the first dichroic mirror to the 3rd wide spectral lens combination; 3rd spectroscope is used for the light fractional transmission of predetermined imaging band is extremely visible and NIR lens group, the light remainder of predetermined imaging band and other band of light is reflexed to the 4th wide spectral lens combination simultaneously; Visible and near infrared imaging lens combination is used for the light that the 3rd spectroscope transmits to focus on CCD image-generating unit to be embodied as picture, and the 4th wide spectral lens combination is used for the light that the 3rd dichroic mirror goes out being focused on grating type and surveys spectrum unit to realize spectra collection.
Further, described device also comprises fusion signal transacting and control module, described fusion signal transacting and control module, for surveying the signal composing unit and the output of grating survey spectrum unit carry out fusion treatment to described CCD image-generating unit, FPA image-generating unit, Fourier.
Further, as shown in Figure 3, the scanning mirror that the utility model embodiment provides comprises plane mirror, dimensional turntable and servomotor.Plane mirror is placed in dimensional turntable, and is fixed by the draw-in groove on turntable; Two driving shafts of servomotor are mechanically connected with dimensional turntable pitch axis and turning axle respectively.Plane mirror can adopt K9 glass, behind gold-plated reflection horizon to visible, near infrared, short, in, LONG WAVE INFRARED light has higher reflectivity; Dimensional turntable can drive plane mirror to realize the motion of rotation and pitching two dimensions under the driving of servomotor, thus increases the dirigibility of system looks, realizes local sparse sampling.
Further, Ka Shi catoptron group in the utility model embodiment adopts Cassegrain system, is made up of a parabolic mirror and a hyperboloidal mirror, realizes, near infrared visible to target and LONG WAVE INFRARED spectrum imaging and collection of energy.Described parabolic mirror and hyperboloidal mirror block than being not more than 3:1; Under the prerequisite ensureing reasonable distance needed for the imaging of primary and secondary mirror, less the ratio of obstruction is conducive to the transmitance improving optical system.
Further, the first spectroscope in the utility model embodiment, the second spectroscope, the 3rd spectroscope plate double layer antireflection coating respectively, and the first spectroscope is totally reflected, to LONG WAVE INFRARED light total transmissivity visible, near infrared light; 50% LONG WAVE INFRARED Transmission light is realized the compensation correction of LONG WAVE INFRARED image quality by the second spectroscope to long wave imaging lens group, residual ray reflexes to the second wide spectral lens combination; 50% visible, transmission of near infra red light to visible and NIR lens group are realized visible, near infrared imaging mass compensation and correct by the 3rd spectroscope, and residual ray reflexes to the 4th wide spectral lens combination.
Further, the first wide spectral lens combination in the utility model embodiment, the second wide spectral lens combination realize compensation correction to LONG WAVE INFRARED camera lens wide spectral energy focused light spot quality, the second wide spectral lens combination section of meeting, in, LONG WAVE INFRARED coupling fiber exports requirement; 3rd wide spectral lens combination, the 4th wide spectral lens combination realize to compensation correction that is visible, near infrared wide spectral energy focused light spot quality, and the 4th wide spectral lens combination meets visible, near-infrared fibre-optical coupling output requirement.
Further, the first wide spectral lens combination in the utility model embodiment, the second wide spectral lens combination, the 3rd wide spectral lens combination, the 4th wide spectral lens combination adopt optics athermalisation technology, when environment temperature is changed in-40 DEG C ~+60 DEG C, the maintenance of imaging surface position is stablized constant, exempts focusing structure.
In structural design, take following measures:
(1) material adopts lightweight duralumin, hard alumin ium alloy, weight reduction.
(2) adopt Pro-E Structural Design software modeling, take into full account the rigidity of structure, stress deformation, estimation comprises centroid position and the weight of optical element.
(3) consider to arrange necessary thin-walled light shield, reduce background, sunlight interference.
Further, be the enforcement that example illustrates the utility model device by the ultra wide wave band collection of illustrative plates association detection system in Fig. 2, particularly:
In Fig. 3, Ka Shi catoptron group is made up of a parabolic mirror and a hyperboloidal mirror, and two field of view centers overlap, and all parts are arranged on enclosure.Target incident light (visible, near infrared and LONG WAVE INFRARED) reflexes to Ka Shi catoptron group through scanning mirror, and Ka Shi catoptron group is by light reflection to the first spectroscope.First spectroscope plating double layer antireflection coating, makes it to visible, near infrared light total reflection, to LONG WAVE INFRARED light total transmissivity.The LONG WAVE INFRARED light of 50% in incident light, by this spectroscope transmission, focuses to the second spectroscope via first group of wide spectral lens combination; Second spectroscope is transmitted to LONG WAVE INFRARED lens combination by 50% of LONG WAVE INFRARED light, focuses on into FPA and is embodied as picture as unit; LONG WAVE INFRARED light reflection to the second wide spectral lens combination will be remained simultaneously, then enter Fourier via the Optical Fiber Transmission being coupled to this center to optical fiber and survey spectrum unit; Via visible, the near infrared light of the first dichroic mirror, reflex to the 3rd wide spectral lens combination by catoptron, this wide spectral lens combination focuses light rays at the 3rd spectroscope; 3rd spectroscope is transmitted through visible, NIR lens group by 50% of visible, nearly UV light, focus to into CCD as cell imaging, residual ray is reflexed to the 4th wide spectral lens combination simultaneously, then enter grating via the Optical Fiber Transmission being coupled to this center to optical fiber and survey spectrum unit and carry out surveys and compose.
Fusion treatment and control module primary responsibility receive LONG WAVE INFRARED image, spectroscopic data and visible near-infrared image, spectroscopic data carry out real time data processing and analysis, and gated sweep tilting mirror (Fig. 2) follows the tracks of the motion of moving-target and dynamic phenomenon.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a ultra wide wave band collection of illustrative plates association sniffer, it is characterized in that, described sniffer comprises scanning mirror, Ka Shi catoptron group, the first spectroscope, catoptron, the first wide spectral lens combination, the second wide spectral lens combination, the 3rd wide spectral lens combination, the 4th wide spectral lens combination, the second spectroscope, the 3rd spectroscope, visible and NIR lens group, long wave imaging lens group, CCD image-generating unit, FPA image-generating unit, Fourier surveys spectrum unit and grating surveys spectrum unit; Wherein:
Described scanning mirror rotates adjustment alignment of orientation target area by Serve Motor Control, and the light for being reflected target area reflexes to Ka Shi catoptron group; Ka Shi catoptron group is used for that the light of reflection is collected back reflection and is incident upon the first spectroscope, and 0.4-2um Infrared by 2-14um infrared transmission to the first wide spectral lens combination, and is reflexed to catoptron by the first spectroscope; Second spectroscope spectroscope be used for by the light fractional transmission of predetermined imaging band to LONG WAVE INFRARED imaging lens group, the light remainder of predetermined imaging band and other band of light are reflexed to the second wide spectral lens combination simultaneously; The light that LONG WAVE INFRARED imaging lens group is used for spectroscope to transmit focuses on FPA image-generating unit to be embodied as picture;
The light that second wide spectral lens combination is used for being gone out by dichroic mirror focuses on Fourier and surveys spectrum unit to realize spectra collection;
Catoptron by the 0.4-2um light reflection of the first dichroic mirror to the 3rd wide spectral lens combination; 3rd spectroscope is used for the light fractional transmission of predetermined imaging band is extremely visible and NIR lens group, the light remainder of predetermined imaging band and other band of light is reflexed to the 4th wide spectral lens combination simultaneously; Visible and near infrared imaging lens combination is used for the light that the 3rd spectroscope transmits to focus on CCD image-generating unit to be embodied as picture;
4th wide spectral lens combination is used for the light that the 3rd dichroic mirror goes out being focused on grating type and surveys spectrum unit to realize spectra collection.
2. ultra wide wave band collection of illustrative plates association sniffer as claimed in claim 1, it is characterized in that, described predetermined imaging band is LONG WAVE INFRARED, visible and near infrared ultra wide wave band.
3. ultra wide wave band collection of illustrative plates association sniffer as claimed in claim 1 or 2, it is characterized in that, described scanning mirror comprises plane mirror, dimensional turntable and servomotor, and wherein said plane mirror is placed in dimensional turntable, and is fixed by the draw-in groove on turntable; Two driving shafts of servomotor are mechanically connected with dimensional turntable pitch axis and turning axle respectively; Dimensional turntable can drive plane mirror to realize the motion of rotation and pitching two dimensions under the driving of servomotor.
4. ultra wide wave band collection of illustrative plates association sniffer as claimed in claim 3, it is characterized in that, described plane mirror adopts K9 glass, and gold-plated reflection horizon.
5. ultra wide wave band collection of illustrative plates association sniffer as claimed in claim 1 or 2, it is characterized in that, described Ka Shi catoptron group adopts Cassegrain system, be made up of a parabolic mirror and a hyperboloidal mirror, realize, near infrared visible to target and LONG WAVE INFRARED spectrum imaging and collection of energy.
6. ultra wide wave band collection of illustrative plates association sniffer as claimed in claim 5, it is characterized in that, described parabolic mirror and hyperboloidal mirror block than being not more than 3:1.
7. ultra wide wave band collection of illustrative plates association sniffer as claimed in claim 1 or 2, it is characterized in that, described first spectroscope, the second spectroscope, the 3rd spectroscope plate double layer antireflection coating respectively, and the first spectroscope is totally reflected, to shortwave, medium wave, LONG WAVE INFRARED total transmissivity visible, near infrared light; 50% LONG WAVE INFRARED Transmission light is realized the compensation correction of LONG WAVE INFRARED image quality by the second spectroscope to long wave imaging lens group, residual ray reflexes to the second wide spectral lens combination; 50% visible, transmission of near infra red light to visible and NIR lens group are realized visible, near infrared imaging mass compensation and correct by the 3rd spectroscope, and residual ray reflexes to the 4th wide spectral lens combination.
8. ultra wide wave band collection of illustrative plates association sniffer as claimed in claim 1 or 2, it is characterized in that, described first wide spectral lens combination, the second wide spectral lens combination for realize to short, in, the compensation correction of LONG WAVE INFRARED wide spectral energy focused light spot quality, the second wide spectral lens meet short, in, LONG WAVE INFRARED coupling fiber exports requirement; 3rd wide spectral lens combination, the 4th wide spectral lens combination are for realizing compensation correction that is visible and near infrared wide spectral energy focused light spot quality, and the 4th wide spectral lens combination meets visible, near-infrared fibre-optical coupling output requirement.
9. ultra wide wave band collection of illustrative plates association sniffer as claimed in claim 1 or 2, it is characterized in that, described first wide spectral lens combination, the second wide spectral lens combination, the 3rd wide spectral lens combination, the 4th wide spectral lens combination adopt optics athermalisation technology, when environment temperature is changed in-40 DEG C ~+60 DEG C, the maintenance of imaging surface position is stablized constant, exempts focusing structure.
10. ultra wide wave band collection of illustrative plates association sniffer as claimed in claim 1 or 2, it is characterized in that, also comprise and merge signal transacting and control module, described fusion signal transacting and control module, for surveying the signal composing unit and the output of grating survey spectrum unit carry out fusion treatment to described CCD image-generating unit, FPA image-generating unit, Fourier.
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Cited By (7)
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| CN105607251A (en) * | 2015-12-31 | 2016-05-25 | 南京华图信息技术有限公司 | Multi-mode infrared imaging system and method facing weak target detection |
| WO2016106957A1 (en) * | 2014-12-30 | 2016-07-07 | 华中科技大学 | Ultra wide band spectrogram correlation detection device and method |
| WO2017041335A1 (en) * | 2015-09-07 | 2017-03-16 | 南京华图信息技术有限公司 | Device and method for collaborative moving target detection with imaging and spectrogram detection in full optical waveband |
| CN106932097A (en) * | 2017-02-15 | 2017-07-07 | 南京华图信息技术有限公司 | A kind of dual-waveband imaging associates the weak signal target detection device and method that full spectrum surveys spectrum |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016106957A1 (en) * | 2014-12-30 | 2016-07-07 | 华中科技大学 | Ultra wide band spectrogram correlation detection device and method |
| WO2017041335A1 (en) * | 2015-09-07 | 2017-03-16 | 南京华图信息技术有限公司 | Device and method for collaborative moving target detection with imaging and spectrogram detection in full optical waveband |
| CN105607251A (en) * | 2015-12-31 | 2016-05-25 | 南京华图信息技术有限公司 | Multi-mode infrared imaging system and method facing weak target detection |
| CN105607251B (en) * | 2015-12-31 | 2017-03-22 | 南京华图信息技术有限公司 | Multi-mode infrared imaging system and method facing weak target detection |
| CN106932097A (en) * | 2017-02-15 | 2017-07-07 | 南京华图信息技术有限公司 | A kind of dual-waveband imaging associates the weak signal target detection device and method that full spectrum surveys spectrum |
| CN108680548A (en) * | 2018-05-16 | 2018-10-19 | 华中科技大学 | A kind of full fiber type super-resolution imaging method and device |
| CN108680548B (en) * | 2018-05-16 | 2019-12-06 | 华中科技大学 | all-fiber super-resolution imaging method and device |
| CN111077666A (en) * | 2019-12-09 | 2020-04-28 | 河北汉光重工有限责任公司 | Compact combined type gyration detecting head |
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