CN108168842A - A kind of controllable infrared target generating means - Google Patents

A kind of controllable infrared target generating means Download PDF

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Publication number
CN108168842A
CN108168842A CN201711330075.6A CN201711330075A CN108168842A CN 108168842 A CN108168842 A CN 108168842A CN 201711330075 A CN201711330075 A CN 201711330075A CN 108168842 A CN108168842 A CN 108168842A
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China
Prior art keywords
infrared
mirror
generating means
controllable
dmd chip
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Pending
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CN201711330075.6A
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Chinese (zh)
Inventor
吴瑾
张建忠
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Changchun Institute of Optics Fine Mechanics and Physics of CAS
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Changchun Institute of Optics Fine Mechanics and Physics of CAS
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Priority to CN201711330075.6A priority Critical patent/CN108168842A/en
Publication of CN108168842A publication Critical patent/CN108168842A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microscoopes, Condenser (AREA)

Abstract

The present invention relates to infrared generation technique fields, specifically disclose a kind of controllable infrared target generating means.The controllable infrared target generating means of the present invention, including parallel light tube unit, dynamic target generation unit and lighting unit.Light source sends out infrared light, and the first off-axis parabolic mirror, dmd chip, plane mirror and the second off-axis parabolic mirror are set gradually along light path.Above-mentioned controllable infrared target generating means by being used cooperatively for controllable precise dmd chip and reflective parallel light pipe unit, realizes the generation of the controllable target source of high speed infrared, the Timing Coincidence Detection for infrared imaging system provides necessary hardware condition.The frequency of the controllable infrared target generating means of the high speed, the adjustable step-length of minimum, minimum time delay adjustable range meets the Timing Coincidence Detection demand of infrared imaging system, and can generate different targeted graphicals according to demand, and demand, which occurs, for broader infrared target source provides possibility.

Description

A kind of controllable infrared target generating means
Technical field
The present invention relates to infrared generation technique field, more particularly to a kind of controllable infrared target generating means.
Background technology
Due to most of photoelectric tracking measuring equipment in current target range photoelectric monitoring net, be equipped with visible ray, medium wave, Multiple subsystems that Long Wavelength Infrared Sensor is formed are carried out at the same time target following with measuring.It is configured in form in device structure Visible ray, infrared multisensor structure have time an angle information, image information in information level, generally have figure in electronics The component units such as picture, the acquisition of data, transmission, storage, processing.Each sensor subsystem of single device, equipment internal information chain The photoelectric monitoring net that networking, more equipment form between road, equipment and equipment establishes work flow with uniform time reference sequential.
According to being distinctly claimed for military user, in order to ensure to observe, merging, track, measurement effect and meet required precision, It needs to carry out temporal consistency test verification during the examination and test of products to confirm that whole various information is same relative to the time Step obtains and assembling, ensures the correctness and reliability of final information processing result.Due to the response of each sensor component and circuit The factors such as processing, the error in terms of existence information is perceived with time synchronization in acquisition process between multiple subsystems, and The links such as acquisition, transmission, storage, the processing of internal information link are there is also the phenomenon that Time Inconsistency, to equipment overall accuracy And data processing precision influence in target range is great.
Controllable infrared target generating means is the required equipment for measuring infrared imaging system time consistency at a high speed, due to one The implementation method of the straight device without coincidence measurement requirement, and then affect the accurate survey of the delay time of Infrared Sensor System Amount, the problem do not solve for a long time on the Timing Coincidence Detection of optical measuring device particularly infrared imaging system.External the relevant technologies Block is still existing, is especially measured, in detection method in optical measuring device and TT&C system time performance, relevant information is few It reveals, infrared controllable luminous diode is also at embargo state.
Invention content
The present invention is intended to provide a kind of generate in frequency, minimum adjustable step-length, minimum accords on adjustable delay time Close the controllable infrared target generating means of high speed of testing requirement.
To achieve the above object, the present invention uses following technical scheme:
The present invention provides a kind of controllable infrared target generating means, including parallel light tube unit, dynamic target generation unit And lighting unit;
The lighting unit includes light source and time mirror assembly, and the secondary mirror assembly includes the first off-axis parabolic mirror;
The dynamic target generation unit includes dmd chip and control system, and the control system and the dmd chip connect It connects;
The parallel light tube unit includes plane mirror assembly and primary mirror component, and the plane mirror assembly includes plane reflection Mirror, the primary mirror component include the second off-axis parabolic mirror;
The light source sends out infrared light, first off-axis parabolic mirror, the dmd chip, the plane reflection Mirror and second off-axis parabolic mirror are set gradually along light path.
In some embodiments, the secondary mirror assembly further includes the first microscope base and first support, and the first support is set on bottom On plate, first microscope base is set in the first support, and first off-axis parabolic mirror is set on first microscope base On.
In some embodiments, the dmd chip slant setting.
In some embodiments, the dmd chip is located at the focal plane of the controllable infrared target generating means, wave during zero visual field Differ is 0.
In some embodiments, the window two sides of the dmd chip has carried out coating film treatment, the window of the dmd chip To be coated with the germanium window of medium-wave infrared and LONG WAVE INFRARED two waveband anti-reflection film.
In some embodiments, the dmd chip includes the micro mirror array that 1024 × 768 aluminum square micro mirrors are formed, The gap of the adjacent micro mirror is no more than 1 micron.
In some embodiments, the plane mirror assembly further includes the second microscope base and second support, and the second support is set on On bottom plate, second microscope base is set in the second support, and the plane mirror is set on second microscope base.
In some embodiments, the primary mirror component further includes third microscope base, third stent and alignment mirror, the third stent On bottom plate, the third microscope base is set on the third stent, and second off-axis parabolic mirror is set on described the On three microscope bases, the normal of the alignment mirror is parallel with the optical axis of the parallel light tube unit.
The beneficial effects of the present invention are:Above-mentioned controllable infrared target generating means, by controllable precise dmd chip and instead Penetrate being used cooperatively for formula parallel light tube unit, realize the generation of the controllable target source of high speed infrared, be infrared imaging system when Between consistency detection provide necessary hardware condition.Controllably the frequency of infrared target generating means, minimum are adjustable at a high speed for this Step-length, minimum time delay adjustable range meet the Timing Coincidence Detection demand of infrared imaging system, and can be according to need It asks and generates different targeted graphicals, demand, which occurs, for broader infrared target source provides possibility.
Description of the drawings
Fig. 1 schematically shows controllable infrared target generating means structure diagram according to an embodiment of the invention.
Fig. 2 is the index path of controllable infrared target generating means shown in FIG. 1.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing and specific implementation Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only explaining this hair It is bright, without being construed as limiting the invention.
Referring initially to Fig. 1 and Fig. 2, controllable infrared target generating means 100 according to an embodiment of the invention is shown, is wrapped Include parallel light tube unit, dynamic target generation unit and lighting unit.
Lighting unit includes light source 10 and time mirror assembly 20, and secondary mirror assembly 20 includes the first off-axis parabolic mirror 22.
In the embodiment shown in fig. 1, secondary mirror assembly 20 further includes the first microscope base (figure is not marked) and first support (is schemed not Mark).First support is set on bottom plate 70, and the first microscope base is set in first support.First off-axis parabolic mirror 22 is set on the On one microscope base.First microscope base and first support are used to support the first off-axis parabolic mirror 22.
In one embodiment, light source 10 is halogen lamp.Lighting unit further includes heat pipe, frosted glass, supporting rack and shell Deng.50W bromine tungsten filament lamps may be used in halogen lamp, ensure that energy is sufficient.Shell forms barrel-shaped confined space with frosted glass, and halogen lamp is set The enclosure is placed in, shell plays protection and cooling effect to halogen lamp.Heat pipe is set to the outer surface of shell, uses heat Guan Ze is to guide the heat of shell, avoids damage caused by heat accumulation.Frosted glass uses hot pressing ZnS, is through wave band 0.4~14 μm, it can ensure that the energy of visible ray and infrared band penetrates simultaneously, ensure that the photograph from visible ray to LONG WAVE INFRARED Bright needs..In order to meet broadband requirement, lighting unit uses reflective structure.Further, light source 10 be located at first from It is Kohler illumination on the focal plane of axis parabolic mirror 22.
Dynamic target generation unit includes dmd chip 30 and control system 40, and control system 40 and dmd chip 30 connect. Digital dmd chip 30 is a kind of flat panel display device of total digitalization, using MEMS (Micro Electromechanical System, microelectromechanical systems) technique array of reflective micro-mirrors and CMOS SRAM are integrated on same chip.
Further, in order to which dmd chip 30 is applied to medium wave/long wave infrared region, the window of dmd chip 30 is using plating There is the germanium window of specific membrane system.Certain films system refers to medium-wave infrared and LONG WAVE INFRARED two waveband anti-reflection film.Pass through the choosing of membrane system It selects, the use scope of dmd chip 30 is made to be extended to medium wave/LONG WAVE INFRARED from visible ray.In order to improve capacity usage ratio, DMD The window two sides of chip 30 has carried out coating film treatment, in 3 μm~10 mu m waveband transmitances higher than 95%, 10 μm~12 mu m wavebands Transmitance higher than 80%, disclosure satisfy that the requirement that broadband window glass transmitance is higher than 80%.After window transformation, DMD Chip 30 can be simultaneously applied in medium-wave infrared and long wave infrared region.
Further, dmd chip 30 is aluminum alloy material.Dmd chip 30 includes 1024 × 768 aluminum square micro mirrors The micro mirror array of formation, 0.7 inch of catercorner length, contrast are more than 2000:1, wave band is 350nm~2700nm visible rays. One micro mirror represents a pixel, and the size of each micro mirror is 13.68 μm x13.68 μm, effective modulation areas for 14mm × 10.5mm, the gap of neighboring micro are no more than 1 micron.Each micro mirror have ± 12 ° of deflection angle correspond to respectively "ON" state with "Off" state.Micro mirror binary system toggle frequency is full frame to reach 3000Hz loop plays, and playing frame frequency can be set.The overturning of each micro mirror Time and retention time can pass through 40 independent control of control system.
The controllable precise that dmd chip 30 is overturn and kept is realized by control system 40, ensure that controllable infrared target The key technical indexes of generating means 100 is realized.Handle external synchronization signal ability:Signal level 3.3V, 10 μ s of minimum pulse width, on It rises along triggering, period 1Hz~1000Hz.It ensures the time of the delay response of dmd chip 30, can be set according to external synchronization signal, Time length is continuously adjusted, and minimum step is 1 μ s.30 time of integration of dmd chip is continuously adjusted, and minimum step is 1 μ s, and can be Software interface is completed and display.
In the embodiment shown in fig. 1,30 slant setting of dmd chip.30 slant setting of dmd chip is conducive to reduce side Edge visual field aberration.Dmd chip 30 is located at the focal plane of controllable infrared target generating means 100, and wave difference is 0 during zero visual field.
Parallel light tube unit includes plane mirror assembly 50 and primary mirror component 60, and plane mirror assembly 50 includes plane mirror 52.Primary mirror component 60 includes the second off-axis parabolic mirror 62.
In the embodiment shown in fig. 1, plane mirror assembly 50 further includes the second microscope base (figure is not marked) and second support (is schemed not Mark).Second support is set on bottom plate 70, and the second microscope base is set in second support, and plane mirror 52 is set on the second microscope base.The Two microscope bases and second support are used to support plane mirror 52.Plane mirror assembly 50 can be reduced controllable infrared by catadioptric light path The volume of objective generating device 100.
In the embodiment shown in fig. 1, primary mirror component 60 further includes third microscope base (figure is not marked), third stent (figure is not marked) With alignment mirror (not shown).Third branch is set up on bottom plate 70, and third microscope base is set on third stent, and the second off axis paraboloid mirror is anti- Mirror 62 is penetrated on third microscope base.Third microscope base and third stent are used to support the second off-axis parabolic mirror 62.Further , the radius of curvature of the off axis paraboloid mirror of the second off-axis parabolic mirror 62 is 1200mm, bore 100mm, and off-axis amount is 90mm.The normal of alignment mirror is parallel with the optical axis of parallel light tube unit.Alignment mirror determines to put down using theodolite first when mounted Then the optical axis of row light pipe unit adjusts the setting angle of alignment mirror by the method for grinding, make the normal of alignment mirror with it is parallel The optical axis keeping parallelism of light pipe unit.
It please refers to Fig.2, light source 10 sends out infrared light, the first off-axis parabolic mirror 22, dmd chip 30, plane reflection 52 and second off-axis parabolic mirror 62 of mirror is set gradually along light path.
It please refers to Fig.1, controllable infrared target generating means 100 further includes power supply 80 and fan 90.Power supply 80 and fan 90 It is set on bottom plate 70.Power supply 80 is used to power for light source 10.Fan 90 is used to help the heat dissipation of dmd chip 30.
Above-mentioned controllable infrared target generating means 100, the design of lighting unit meet broadband requirement simultaneously, uniformly shine Bright requirement and the requirement of parallel light tube units match.It can be obtained by carrying out ray tracing to parallel light tube unit, DMD cores The numerical aperture angle of outgoing beam is 3.95 ° on piece 30, therefore light beam is by being incident on 30 surface of dmd chip after lighting unit Numerical aperture angle should match with it.
Above-mentioned controllable infrared target generating means 100 has the beneficial effect that:By controllable precise dmd chip 30 and reflective Parallel light tube unit is used cooperatively, and realizes the generation of the controllable target source of high speed infrared, is the time one of infrared imaging system The detection of cause property provides necessary hardware condition.The frequency of the controllable infrared target generating means 100, the adjustable step-length of minimum, Minimum time delay adjustable range meets the Timing Coincidence Detection demand of infrared imaging system, and can generate according to demand Different targeted graphicals occurs demand for broader infrared target source and provides possibility.
Above-mentioned controllable infrared target generating means 100 realizes the adjustable essence of 1 μ s of minimum for generating dmd chip 30 Degree, frequency and delay time accurate adjustable image, is projected by off-axis Zigzag type parallel light tube unit, is formed stable infrared Target source, solves the problems, such as the generation in controllable infrared target source at a high speed, and the Timing Coincidence Detection for infrared imaging system provides Reliable target source, not only provides a kind of reliable solution, together for the time consistency measurement of infrared imaging system When the time consistency measurement accuracy for making infrared imaging system is also reached into musec order, and then photoelectric measuring instrument greatly improved Device is to the tracking accuracy of high-speed flight target.Controllable dmd chip 30 can generate covering spatial domain, time domain and visible ray simultaneously To 256 grades of gray scale dynamic objects of near infrared band, 1024 × 768 resolution ratio, contrast is high, online editing, fast response time, The various characteristics such as easily controllable, are equipped with suitable optical system, various target simulation tasks of completion that can be outstanding.
The specific embodiment of present invention described above, is not intended to limit the scope of the present invention..Any basis Various other corresponding changes and deformation made by the technical concept of the present invention, should be included in the guarantor of the claims in the present invention In the range of shield.

Claims (8)

1. a kind of controllable infrared target generating means, which is characterized in that including parallel light tube unit, dynamic target generation unit and Lighting unit;
The lighting unit includes light source and time mirror assembly, and the secondary mirror assembly includes the first off-axis parabolic mirror;
The dynamic target generation unit includes dmd chip and control system, and the control system is connected with the dmd chip;
The parallel light tube unit includes plane mirror assembly and primary mirror component, and the plane mirror assembly includes plane mirror, institute It states primary mirror component and includes the second off-axis parabolic mirror;
The light source sends out infrared light, first off-axis parabolic mirror, the dmd chip, the plane mirror and Second off-axis parabolic mirror is set gradually along light path.
2. controllable infrared target generating means as described in claim 1, which is characterized in that the secondary mirror assembly further includes first Microscope base and first support, the first support are set on bottom plate, and first microscope base is set in the first support, and described first Off-axis parabolic mirror is set on first microscope base.
3. controllable infrared target generating means as described in claim 1, which is characterized in that the dmd chip slant setting.
4. controllable infrared target generating means as described in claim 1, which is characterized in that the dmd chip can described in The focal plane of infrared target generating means is controlled, wave difference is 0 during zero visual field.
5. controllable infrared target generating means as described in claim 1, which is characterized in that the window two sides of the dmd chip Coating film treatment is carried out, the window of the dmd chip is the germanium window for being coated with medium-wave infrared and LONG WAVE INFRARED two waveband anti-reflection film Mouthful.
6. infrared target generating means as described in claim 1 controllable, which is characterized in that the dmd chip includes 1024 × The micro mirror array that 768 aluminum square micro mirrors are formed, the gap of the adjacent micro mirror are no more than 1 micron.
7. infrared target generating means as described in claim 1 controllable, which is characterized in that the plane mirror assembly further includes the Two microscope bases and second support, the second support are set on bottom plate, and second microscope base is set in the second support, described flat Face speculum is set on second microscope base.
8. controllable infrared target generating means as described in claim 1, which is characterized in that the primary mirror component further includes third Microscope base, third stent and alignment mirror, the third branch are set up on bottom plate, and the third microscope base is set on the third stent, Second off-axis parabolic mirror is set on the third microscope base, the normal of the alignment mirror and the parallel light tube unit Optical axis it is parallel.
CN201711330075.6A 2017-12-13 2017-12-13 A kind of controllable infrared target generating means Pending CN108168842A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108871587A (en) * 2018-07-31 2018-11-23 电子科技大学 The Intelligent target device and its application method of thermal infrared imager NETD test
CN113702007A (en) * 2021-09-02 2021-11-26 孝感华中精密仪器有限公司 Off-axis beam axis difference calibration device and calibration method thereof
CN114486197A (en) * 2022-01-27 2022-05-13 中国科学院长春光学精密机械与物理研究所 Target generator suitable for optical lens transfer function detection
CN115265417A (en) * 2022-08-26 2022-11-01 中电科思仪科技股份有限公司 Device and method for testing tracking precision of photoelectric tracking equipment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5596185A (en) * 1993-11-10 1997-01-21 Bodenseewerk Geratetechnik Gmbh Device for generating picture information in real time for testing picture resolving sensors
US20050018041A1 (en) * 2003-07-21 2005-01-27 Towery Clay E. Electronic firearm sight, and method of operating same
CN201514315U (en) * 2009-06-26 2010-06-23 无锡市星迪仪器有限公司 Full spectrum collimating sight digital detecting device
CN201903683U (en) * 2010-10-19 2011-07-20 中国人民解放军63908部队 Microcollimator for simulating infrared targets
CN102155912A (en) * 2011-03-04 2011-08-17 长春理工大学 Portable detection device for detecting sighting line zero position of infrared sniperscope
CN102681196A (en) * 2012-05-25 2012-09-19 中国人民解放军武汉军械士官学校 High-precision portable wide-spectrum parallel light pipe device
CN104849023A (en) * 2015-02-12 2015-08-19 中国人民解放军武汉军械士官学校 High-precision multiband dynamic object simulator apparatus
CN106403713A (en) * 2015-07-31 2017-02-15 北京航天计量测试技术研究所 Minitype infrared target simulation device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5596185A (en) * 1993-11-10 1997-01-21 Bodenseewerk Geratetechnik Gmbh Device for generating picture information in real time for testing picture resolving sensors
US20050018041A1 (en) * 2003-07-21 2005-01-27 Towery Clay E. Electronic firearm sight, and method of operating same
CN201514315U (en) * 2009-06-26 2010-06-23 无锡市星迪仪器有限公司 Full spectrum collimating sight digital detecting device
CN201903683U (en) * 2010-10-19 2011-07-20 中国人民解放军63908部队 Microcollimator for simulating infrared targets
CN102155912A (en) * 2011-03-04 2011-08-17 长春理工大学 Portable detection device for detecting sighting line zero position of infrared sniperscope
CN102681196A (en) * 2012-05-25 2012-09-19 中国人民解放军武汉军械士官学校 High-precision portable wide-spectrum parallel light pipe device
CN104849023A (en) * 2015-02-12 2015-08-19 中国人民解放军武汉军械士官学校 High-precision multiband dynamic object simulator apparatus
CN106403713A (en) * 2015-07-31 2017-02-15 北京航天计量测试技术研究所 Minitype infrared target simulation device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
吴楠: "离轴反射式平行光管在红外性能测试中的应用", 《电光与控制》 *
李林 等: "《现代光学设计方法 (第2版)》", 30 April 2015, 北京理工大学出版社 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108871587A (en) * 2018-07-31 2018-11-23 电子科技大学 The Intelligent target device and its application method of thermal infrared imager NETD test
CN113702007A (en) * 2021-09-02 2021-11-26 孝感华中精密仪器有限公司 Off-axis beam axis difference calibration device and calibration method thereof
CN113702007B (en) * 2021-09-02 2023-09-19 孝感华中精密仪器有限公司 Calibration device and calibration method for off-axis beam axial difference
CN114486197A (en) * 2022-01-27 2022-05-13 中国科学院长春光学精密机械与物理研究所 Target generator suitable for optical lens transfer function detection
CN114486197B (en) * 2022-01-27 2024-03-12 中国科学院长春光学精密机械与物理研究所 Target generator suitable for optical lens transfer function detection
CN115265417A (en) * 2022-08-26 2022-11-01 中电科思仪科技股份有限公司 Device and method for testing tracking precision of photoelectric tracking equipment
CN115265417B (en) * 2022-08-26 2024-09-20 中电科思仪科技股份有限公司 Tracking precision testing device and method for photoelectric tracking equipment

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Application publication date: 20180615