CN1769853A - Multipurpose infinite target simulator - Google Patents
Multipurpose infinite target simulator Download PDFInfo
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- CN1769853A CN1769853A CN 200510029960 CN200510029960A CN1769853A CN 1769853 A CN1769853 A CN 1769853A CN 200510029960 CN200510029960 CN 200510029960 CN 200510029960 A CN200510029960 A CN 200510029960A CN 1769853 A CN1769853 A CN 1769853A
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Abstract
A kind of multipurpose infinite target simulator, comprise parallel light tube and focal plane subassembly two large divisions, wherein focal plane subassembly is mainly by reference material screen board series, the thing platen bracket, light source assembly, drive of motor structure and control enclosure thereof are formed, reference material screen board series is then different by a series of patterns and pattern dimension, but the pattern center position is identical, the physical dimension of thing screen and the thing screen board identical with thing platen bracket connected mode are formed, they be positioned over focal surface of collimator tube and can be on focal plane along continuous straight runs is linear moves, with the infinite distance target of the static/motion of the different instantaneouss field of view of family of simulations difformity.The present invention do not need frequently to debug photoelectric instrument development Installation and Debugging can be satisfied in the focal surface of collimator tube position and when detecting to the different requirements of infinite distance motion and static target simulation, also only need manufacture and design and change the reference material screen board just can satisfy new requirement.
Description
Technical field:
The present invention relates to a kind of infinite target simulator, particularly about a kind of adjustment and detection that is used for photoelectric instrument in the laboratory, motion and the controlled infinite target simulator of stationary state.
Background technology:
Parallel light tube is the visual plant of Experiments of Optics and Measuring and testing, is a kind of high-precision testing tool, is one of indispensable testing tool of present China factory and laboratory.Parallel light tube provides the infinity target for electro-optical system, or provide a branch of directional light, its basic structure is to put the used optical elements in focal plane such as a graticule, asterism hole on the focal plane of parallel light tube object lens, to satisfy the different practical requirements of operation optical system.
Parallel light tube, particularly the parallel light tube of large-aperture long-focus then is the important tool that photoelectric instrument is adjusted in the dress school, it also is the important component part in the optics metering equipment, the graticule that adapted is different, together with the micrometer eyepiece head, or microscopic system, then can measure the focal length of lens combination, resolution, and other image quality etc.But, the large-aperture long-focus parallel light tube is as the large-scale valuable equipment in laboratory, quantity is few, therefore, in the ordinary course of things, for the different practical requirement in the process that satisfies optical system development and detection, must build proving installation continually usually temporarily, to simulate suitable infinite distance atural object, this must cause the work of debuging of repetition with the suitable focal plane that graticule/asterism hole etc. accurately is positioned over collimating optics.Simultaneously, in the development process of Aero-Space photoelectric instrument, need the infinite distance ground object target of sports type to come the validation instrument performance or carry out dependence test, analyze and check the performance of image drift influence and IMC as some appliance requires.In addition, the development of high Precision Detection technology also needs to be applied to the infinite distance ground object target of sports type, as in order to reach the inferior pixel measuring accuracy of CCD camera, needs the asterism hole in the amplitude continuous motion imaging of collimating optics focal plane with 1/N instantaneous field of view.
Summary of the invention:
In sum, to the different needs of infinite distance target simulation, overcoming prior art and need frequently debug the problem of focal surface of collimator tube position when how to satisfy photoelectric instrument development and debuging and detect, is technical matters to be solved by this invention.Therefore, the object of the present invention is to provide a kind of multiduty infinite target simulator, to satisfy the demand that photoelectric instrument development and laboratory are detected.
It is as follows that technology of the present invention solves thinking:
Adopt thing platen bracket structure locking focal surface of collimator tube position, customization physical dimension is identical, and the different reference material screen board of pattern and pattern dimension is installed on the thing platen bracket structure, to overcome the drawback that frequently repeats to debug the focal surface of collimator tube position; Adopt stepper motor to be equipped with the drive mechanism and the relevant control circuit of exquisite design, make the speed motion that thing platen bracket and thing screen can be on request, when debuging and detecting to satisfy Laboratory Instruments to the demand of infinite distance moving target.The specific implementation measure is as follows:
1. multipurpose infinite target simulator comprises parallel light tube and focal plane subassembly two big modules, and the thing screen in the focal plane subassembly is debug the position of focal plane of determining at parallel light tube by precision, by light source assembly illumination simulation infinite distance ground object target.
2. focal plane subassembly is mainly by the reference material screen board, thing platen bracket structure (comprise thing platen bracket and can allow the thing platen bracket along its linearly moving stationary shaft), motor (comprising drive of motor structure and electric machine control system), several most of compositions such as light source assembly.
3. customization physical dimension is identical, and the different reference material screen board of pattern and pattern dimension, these thing screen boards are positioned on the focal plane of parallel light tube, can simulate different instantaneouss field of view, difform infinite distance ground object target satisfies different experiments chamber instrument and debugs and detect requirement.
4. the reference material screen board is installed on the thing platen bracket, after the locking of thing platen bracket structure, just can accurately determine the position of focal plane,, not need once more its position to be debug just to determine that it is on the collimating optics focal plane so change different thing screen boards because reference material screen board physical dimension is identical.
5. thing platen bracket structure comprises thing platen bracket and a stationary shaft, allows the thing platen bracket to do linear moving along this stationary shaft, and the thing platen bracket can move with different speed at the interlock lower edge of motor stationary shaft, satisfies the demand of infinite distance moving target simulation.
6. the drive of motor structure links to each other with the thing platen bracket, electric machine control system control rotating speed of motor, interlock thing platen bracket, thus may command thing screen moves.Electric machine control system can be by button control, also can external computer control.
7. the lighting source behind the reference material screen provides visible and near infrared light source lighting for can change light source assembly, and light source assembly links to each other with the thing platen bracket, can together move with it, guarantees that the pattern on the reference material screen board is illuminated always.
As mentioned above, according to multipurpose infinite target simulator of the present invention, it comprises parallel light tube and focal plane subassembly two large divisions, wherein focal plane subassembly is mainly by the reference material screen board, the thing platen bracket, light source assembly, drive of motor structure and control enclosure thereof are formed, characteristics are: reference material screen board and light source assembly are installed on the thing platen bracket, the thing platen bracket can be done linear moving at the interlock lower edge of motor stationary shaft, thereby motor control box control motor control thing screen moves on request, thereby constitute multiduty infinite target simulator with parallel light tube, satisfy the different demands that the laboratory is debug and detected:
Described reference material screen board assembly, different by a series of patterns and pattern dimension, and the pattern center position is identical, the thing screen profile of customization and size and the thing screen board composition identical with thing platen bracket connected mode, they are replaced and are positioned over focal surface of collimator tube, thereby simulate the infinite distance target of the different instantaneouss field of view of a series of difformities.
Described reference material screen board assembly is fixed on the thing platen bracket, and the initial position of thing platen bracket guarantees that the reference material screen board pattern center position that is mounted thereon overlaps with the focal position of parallel light tube.
Described reference material screen board has continuous upgrade function, as long as guarantee thing screen board profile and size and constant with thing platen bracket bind mode, just only need change thing screen pattern form and size can satisfy new application demand.
Described thing platen bracket links to each other with the drive of motor structure, by the rotation drive reference material screen board motion of motor, thereby reaches the purpose of simulating various moving targets.
Described drive of motor structure is controlled by motor control box, also can be by external computer programming control, and may command thing platen bracket is positioned at definite position, and control thing platen bracket reaches step motion continuously with friction speed.
Described light source assembly is fixed on the thing platen bracket, can move with the thing platen bracket, guarantees the sufficient evenly illumination of thing screen pattern.
Described light source assembly provides and debugs and test required spectral illumination for can change assembly.
The invention has the advantages that:
Adopt the mode of reference material screen board serial component, can satisfy the constantly different demands of the required infinite distance of development target in the laboratory in, solve the different frequent focal surface of collimator tube position repetition adjustment problems of debuging and being caused when detecting demand; Adopt the drive of motor structure, the problem of modelling of required infinite distance moving target when satisfying special applications; The control of drive of motor structure can be selected control enclosure control and can be by external computer control, and is easy to use and friendly, satisfies the embedded requirement that makes up relevant special test performance system.
Description of drawings:
Fig. 1 is the simplified model figure of multipurpose infinite target simulator of the present invention.
Fig. 2 is the front perspective view of the focal plane subassembly among the present invention.
Fig. 3 is the rear perspective synoptic diagram of the focal plane subassembly among the present invention.
Fig. 4 is the aperture pattern reference material screen board diagrammatic series of views among the present invention.
Fig. 5 for the narrow slit among the present invention to pattern reference material screen board diagrammatic series of views.
Fig. 6-1 and Fig. 6-2 is respectively the structural representation of the controlled static and motion of reference material screen board among the present invention.
Embodiment:
Provide better embodiment of the present invention below in conjunction with Fig. 1～Fig. 6-2, mainly as further describing characteristics of the present invention, but not be used for limiting scope of the present invention.
See also Fig. 1 earlier, Fig. 1 is the simplified model figure of specific embodiment of the invention multipurpose infinite target simulator, multipurpose infinite target simulator comprises large-aperture long-focus parallel light tube 1 and focal plane subassembly 2, the focal length of this parallel light tube 1 is 4 meters, bore is 500 millimeters, this focal plane subassembly 2 is positioned over the place, position of focal plane of this parallel light tube 1, therefore, after the light of focal plane subassembly 2 is by parallel light tube 1, become directional light and from parallel light tube 1 outgoing, thereby reach the purpose of simulation infinite distance target.
Consult Fig. 2 and Fig. 3 again, they all are the focal plane subassembly structural representations, and multipurpose infinite target simulator focal plane subassembly 2 is made up of main structure 21, thing platen bracket 22, drive of motor structure 23, motor control box 24, reference material screen board 25, light source assembly 26.Reference material screen board 25 is installed on the thing platen bracket 22, light source assembly 26 also is installed on the thing platen bracket 22, thing platen bracket 22 links to each other with drive of motor structure 23, be controlled at by motor control box 24 along continuous straight runs on the focal plane of parallel light tube with different require speed to do about linear moving.
In the present embodiment, the focal length of parallel light tube 1 is 4000mm, as Fig. 6-1, shown in Fig. 6-2, a chain for binding criminals line partial-length is 80mm in a chain for binding criminals line stationary shaft length on the drive mechanism 23, is fixing reference material screen board 25 and light source assembly 26 on the thing platen bracket 22, with the initial placement of thing platen bracket 22 in the center position of drive mechanism, its transmission range is ± 40mm, can simulate to be positioned at ± infinite distance of 10mrad visual field is static/moving target atural object.
As Fig. 4, shown in Figure 5, in the present embodiment, reference material screen board 25 series have two kinds of patterns: narrow slit is to reaching circular hole, it is of a size of: 0.2mm, 0.4mm, 0.6mm, 0.8mm, 1mm, 1.2mm, 1.4mm, 1.6mm, 1.8mm, 2mm, 3mm, 4mm, 6mm, 8mm, 12mm, the infinite distance that can simulate 0.05～6mrad instantaneous field of view is static/moving target atural object, only need to change the reference material screen board 25 that is installed on the thing platen bracket 22 and can satisfy the current demand in laboratory, the reference material screen board 25 that further demand also only need customize different size and pattern just can achieve the goal.
In the present embodiment, drive of motor structure 23 is by motor control box 24 controls, can control drive of motor structure 23 by knob on the motor control box 24 and button during experiment, thereby may command reference material screen board 25 is still in definite position or moves at the two positions place with certain speed.Also can control by computer programming by the data-interface on external computing machine and the motor control box 24.
Claims (5)
1, a kind of multipurpose infinite target simulator, comprise parallel light tube and be positioned at focal plane subassembly (2) on the focal plane of this parallel light tube (1), wherein focal plane subassembly (2) mainly is made up of reference material screen board (25) series, thing platen bracket (22), light source assembly (26), drive of motor structure (23) and control enclosure (24) thereof, it is characterized in that, reference material screen board (25) connects mutually with thing platen bracket (22), and is placed in the position of focal plane of parallel light tube (1) and is simulated infinite distance motion and static target by (23) transmission of drive of motor structure.
2, multipurpose infinite target simulation device according to claim 1, it is characterized in that, described reference material screen board (25) is that a series of patterns and pattern dimension are different, and the physical dimension and the reference material screen board series all identical with thing platen bracket (22) bind mode of pattern center position, thing screen, and be positioned at parallel light tube (1) but focal plane and along continuous straight runs is linear moves, and constitute the serial static/infinite distance target of moving of the different instantaneouss field of view of simulation difformity.
3, multipurpose infinite target simulator according to claim 1 and 2, it is characterized in that, the connection of described reference material screen board (25) and thing platen bracket (22), be to constitute with the customization connecting structure to load and unload connection, and work as reference material screen board (25) and be fixed on the thing platen bracket (22), this reference material screen board (25) just is locked on the focal plane of parallel light tube (1).
4, multipurpose infinite target simulator according to claim 1 and 2 is characterized in that, the different serial pattern of described reference material screen board (25) and pattern dimension specification adapt to the infinite distance target of the simulation that requires in the experiment; When reference material screen board (25) when being positioned at initial position, its identical pattern center position then overlaps with the focal position of parallel light tube (1).
5, multipurpose infinite target simulator according to claim 1, it is characterized in that, described light source assembly (26) is installed on the thing platen bracket (22), together moves with thing platen bracket (22), and light source assembly (26) becomes relative static connection with reference material screen board (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100299601A CN100523769C (en) | 2005-09-23 | 2005-09-23 | Multipurpose infinite target simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100299601A CN100523769C (en) | 2005-09-23 | 2005-09-23 | Multipurpose infinite target simulator |
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| Publication Number | Publication Date |
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| CN1769853A true CN1769853A (en) | 2006-05-10 |
| CN100523769C CN100523769C (en) | 2009-08-05 |
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| CNB2005100299601A Expired - Fee Related CN100523769C (en) | 2005-09-23 | 2005-09-23 | Multipurpose infinite target simulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913292A (en) * | 2012-12-28 | 2014-07-09 | 中国科学院西安光学精密机械研究所 | Target simulating method and device |
| CN107703623A (en) * | 2017-10-26 | 2018-02-16 | 中国科学院长春光学精密机械与物理研究所 | A kind of focal plane target switching device of parallel light tube |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062356C (en) * | 1997-05-12 | 2001-02-21 | 中国科学院西安光学精密机械研究所 | Imaging structure with long-focal length optical system |
| US6563612B1 (en) * | 2000-08-07 | 2003-05-13 | Physical Optics Corporation | Collimating screen simulator and method |
| CN100334463C (en) * | 2004-06-30 | 2007-08-29 | 中国科学院上海技术物理研究所 | Optical calibrating apparatus and method of laser ranging system |
-
2005
- 2005-09-23 CN CNB2005100299601A patent/CN100523769C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913292A (en) * | 2012-12-28 | 2014-07-09 | 中国科学院西安光学精密机械研究所 | Target simulating method and device |
| CN107703623A (en) * | 2017-10-26 | 2018-02-16 | 中国科学院长春光学精密机械与物理研究所 | A kind of focal plane target switching device of parallel light tube |
| CN107703623B (en) * | 2017-10-26 | 2018-12-11 | 中国科学院长春光学精密机械与物理研究所 | A kind of focal plane target switching device of parallel light tube |
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| Publication number | Publication date |
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| CN100523769C (en) | 2009-08-05 |
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