CN113124707A - Infrared target simulation device - Google Patents
Infrared target simulation device Download PDFInfo
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- CN113124707A CN113124707A CN202110487613.2A CN202110487613A CN113124707A CN 113124707 A CN113124707 A CN 113124707A CN 202110487613 A CN202110487613 A CN 202110487613A CN 113124707 A CN113124707 A CN 113124707A
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- infrared
- target
- black body
- infrared beam
- diaphragm
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- 238000004088 simulation Methods 0.000 title claims abstract description 42
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000003595 spectral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
- F41G3/26—Teaching or practice apparatus for gun-aiming or gun-laying
- F41G3/2616—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device
- F41G3/2694—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device for simulating a target
Abstract
The embodiment of the invention relates to an infrared target simulation device. The method comprises the following steps: the target unit comprises a target black body and a first diaphragm, and the first diaphragm is used for limiting the size of a field of view of a first infrared beam emitted by the target black body; the background unit comprises at least one reserved black body and a second diaphragm; the second diaphragm is used for limiting the size of a view field of a second infrared beam emitted by the reserved black body, and the light paths of the first infrared beam and the second infrared beam are vertical; the beam splitter is obliquely arranged at the intersection of the light paths of the first infrared beam and the second infrared beam and is used for coupling the first infrared beam and the second infrared beam; and the collimating lens comprises a concave lens and a convex lens, the concave lens and the convex lens are parallel to each other and are sequentially arranged on the light path after the first infrared light beam and the second infrared light beam are coupled, and the collimating lens is used for collimating the coupled light beams with parallel light and emitting the coupled light beams. The embodiment of the invention can realize the simulation of various target environment combinations according to the requirements, thereby improving the adaptability and the flexibility.
Description
Technical Field
The embodiment of the invention relates to the technical field of stable state simulation of dead-sensing ammunition, in particular to an infrared target simulation device.
Background
End-sensitive ammunition, referred to as end-sensitive ammunition for short, was first proposed and developed in the united states. The end sensitive bullet is mainly of a primary-secondary structure, namely, a mother bullet loads a plurality of end sensitive bullets, and the end sensitive bullets mainly comprise a parachute/wing system, an on-bullet computer, a sensor, an explosion-formed bullet (EFP) warhead, a safe detonating device and the like. During combat, the mother bomb throws the end sensitive bullet at a preset height above a target area, and when the bullet reaches a stable scanning state, the bullet starts to autonomously search, detect, identify and aim at the target in an attack area until a blasting warhead attacks the target from the top.
The infrared detector is a core guidance component of a terminal sensitive bullet sensor in the infrared guidance missile and is used for realizing the detection and the identification of a target. The infrared target simulator can be used for carrying out various functions and performance parameters of the infrared detector under laboratory conditions.
In the related technology, the infrared target simulator converts various target image data generated by the computer image generator into infrared physical radiation, projects the infrared physical radiation to an optical entrance pupil of the detected infrared detector through an optical system, is used for simulating an infrared scene when the detected infrared detector works, is used for detection and identification of the detected infrared detector, and has a complex structure and low flexibility.
Accordingly, there is a need to ameliorate one or more of the problems with the related art solutions described above.
It is noted that this section is intended to provide a background or context to the embodiments of the invention that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
Disclosure of Invention
It is an object of the present invention to provide an infrared target simulation apparatus, which overcomes one or more of the problems due to the limitations and disadvantages of the related art, at least to some extent.
According to a first aspect of the present invention, there is provided an infrared target simulation apparatus comprising:
the target unit comprises a target black body and a first diaphragm, wherein the first diaphragm is used for limiting the size of a field of view of a first infrared light beam emitted by the target black body;
the background unit comprises at least one reserved black body and a second diaphragm; the second diaphragm is used for limiting the size of a view field of a second infrared beam emitted by the reserved black body, and the light paths of the first infrared beam and the second infrared beam are vertical;
the beam splitter is obliquely arranged at the intersection of the light paths of the first infrared beam and the second infrared beam and is used for coupling the first infrared beam and the second infrared beam;
the collimating lens comprises a concave lens and a convex lens, the concave lens and the convex lens are parallel to each other and are sequentially arranged on a light path after the first infrared light beam and the second infrared light beam are coupled, and the collimating lens is used for collimating and emitting the coupled light beams in parallel light;
the center of the first infrared beam is on the same straight line with the center of the spectroscope and the center of the collimating lens; the center of the second infrared beam and the center of the spectroscope are on the same straight line; the target black body is positioned on a focus of the collimating lens.
In an embodiment of the invention, the spectral ranges of the first infrared beam and the second infrared beam are 8-14 um.
In an embodiment of the present invention, temperature controllers are disposed in the target black body and the reserved black body, and are configured to control temperatures of infrared light emitted by the target black body and the reserved black body.
In an embodiment of the invention, the target blackbody and the reserved blackbody are both ES110-20 plane source blackbodies.
In an embodiment of the invention, a digital display regulator which can be communicated with a computer is arranged in the temperature controller of the ES110-20 plane source blackbody.
In an embodiment of the present invention, the digital display adjustment instrument communicates with the computer through the RS485 interface.
In an embodiment of the present invention, a ratio of the size of the field of view of the first infrared beam to the size of the field of view of the second infrared beam is: 1:2 to 1: 3.
In an embodiment of the present invention, the infrared target simulation apparatus further includes a rotating unit for driving the target unit to rotate.
In an embodiment of the present invention, the rotating unit includes a rotary table for mounting the target unit, and a motor for controlling the rotary table to rotate so as to drive the target unit to rotate.
In an embodiment of the present invention, the rotation speed of the motor is 4 to 7.5 r/s.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
in the embodiment of the invention, by adopting the infrared target simulation device, on one hand, simultaneous simulation of a target and a background can be realized by adopting the spectroscope, on the other hand, simulation of different fields of view can be realized by adopting the electric diaphragm, and a user can realize simulation of various target environment combinations according to requirements, thereby greatly improving the adaptability and flexibility of the target simulation device.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
FIG. 1 is a schematic diagram illustrating an infrared target simulation apparatus according to an exemplary embodiment of the present invention;
fig. 2 shows a schematic view of the coupled first infrared beam and second infrared beam.
Wherein: 100-target unit, 101-target black body, 102-first diaphragm, 103-first infrared beam, 200-background unit, 201-reserved black body, 202-second diaphragm, 203-second infrared beam, 300-spectroscope, 400-collimating lens, 401-concave lens and 402-convex lens.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of embodiments of the invention, which are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.
In the present exemplary embodiment, an infrared target simulation apparatus is first provided. Referring to fig. 1, the infrared target simulation apparatus may include: a target unit 100, a background unit 200, a spectroscope 300 and a collimating lens 400; the target unit 100 comprises a target black body 101 and a first diaphragm 102, wherein the first diaphragm 102 is used for limiting the size of a field of view of a first infrared light beam 103 emitted by the target black body 101; the background unit 200 comprises at least one reserved black body 201 and a second diaphragm 202; the second diaphragm 202 is used for limiting the size of a field of view of a second infrared light beam 203 emitted by the reserved black body 201, and the light paths of the first infrared light beam 103 and the second infrared light beam 203 are perpendicular; the beam splitter 300 is obliquely arranged at the intersection of the light paths of the first infrared light beam 103 and the second infrared light beam 203, and is used for coupling the first infrared light beam 103 and the second infrared light beam 203; the collimating lens 400 comprises a concave lens 401 and a convex lens 402, wherein the concave lens 401 and the convex lens 402 are parallel to each other and are sequentially arranged on a light path after the first infrared light beam 103 and the second infrared light beam 203 are coupled, and are used for collimating and emitting the coupled light beams in parallel; wherein, the center of the first infrared light beam 103 is on the same straight line with the center of the spectroscope 300 and the center of the collimating lens 400; the center of the second infrared beam 203 and the center of the beam splitter 300 are on a straight line; the target black body 101 is located at a focus of the collimating lens 400.
Specifically, the field of view of the first infrared light beam 103 and the second infrared light beam 203 is limited by the first diaphragm 102 and the second diaphragm 202, so that the field of view of the first infrared light beam 103 is smaller than that of the second infrared light beam 203, thereby achieving the purpose of target simulation and environmental simulation, and the field of view of the first infrared light beam 103 and the second infrared light beam 203 can be changed by adjusting the first diaphragm 102 and the second diaphragm 202, thereby simulating the distance from far to near of the infrared detector from the target, wherein the first diaphragm 102 and the second diaphragm 103 can be electric diaphragms, and the beam splitter is obliquely arranged at the intersection of the light paths of the first infrared light beam 103 and the second infrared light beam 203 by 45 degrees.
Through the infrared target simulation device, on one hand, simultaneous simulation of a target and a background can be realized by adopting the spectroscope 300, on the other hand, simulation of different fields of view can be realized by adopting the electric diaphragm, and a user can realize simulation of various target environment combinations according to needs, so that the adaptability and flexibility of the target simulation device are greatly improved.
Next, each part of the above-described infrared target simulation apparatus in the present exemplary embodiment will be described in more detail with reference to fig. 1 to 2.
In one embodiment, the spectral range of the first infrared light beam 103 and the second infrared light beam 203 may be 8-14 um. Specifically, when the infrared spectral ranges of the first infrared beam and the second infrared beam are the above values, the wavelengths thereof cover the wavelength range of target infrared emission, and the respective black bodies and the respective infrared detectors are well matched.
In one embodiment, a temperature controller may be disposed in each of the target black body 101 and the reserved black body 201, and is configured to control the temperature of the infrared light emitted by the target black body 101 and the reserved black body 201.
In one embodiment, the target blackbody 101 and the reserved blackbody 201 may both be ES110-20 surface source blackbodies. Specifically, the ES110-20 plane source black body is provided with mounting holes at the bottom and the front, and can be mounted in a proper place directly or through a switching support.
In one embodiment, the temperature controller of the ES110-20 plane blackbody can be provided with a digital display regulator which can be communicated with a computer. Specifically, the digital display adjusting instrument can be communicated with a computer through RS 485.
In one embodiment, the digital display adjustment instrument is communicated with the computer through the RS485 interface.
In one embodiment, the ratio of the size of the field of view of the first infrared beam 103 to the size of the field of view of the second infrared beam 203 may be: 1:2 to 1: 3. Specifically, the ratio of the size of the field of view of the first infrared beam 103 to the size of the field of view of the second infrared beam 203 can be adjusted as required, and when the ratio is in the range of 1:2 to 1:3, simulation of an object can be better highlighted, so that the object can occupy more sensitive units on a sensor when being projected on the sensor.
In one embodiment, the infrared target simulation apparatus further includes a rotating unit for driving the target unit 100 to rotate. Specifically, the target unit 100 is driven by the rotation unit to rotate to simulate the rotation of a real target, such as the rotation of a tank.
In one embodiment, the rotating unit may include a turntable for mounting the target unit 100 and a motor for controlling the turntable to rotate so as to rotate the target unit.
In one embodiment, the rotating speed of the motor can be 4-7.5 r/s. Specifically, the rotating speed in the range is matched with the actual target rotating speed, so that the actual working state of the dead bomb can be simulated more truly.
Through the infrared target simulation device, on one hand, simultaneous simulation of a target and a background can be realized by adopting the spectroscope 300, on the other hand, simulation of different fields of view can be realized by adopting the electric diaphragm, and a user can realize simulation of various target environment combinations according to needs, so that the adaptability and flexibility of the target simulation device are greatly improved.
It is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like in the foregoing description are used for indicating or indicating the orientation or positional relationship illustrated in the drawings, and are used merely for convenience in describing embodiments of the present invention and for simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (10)
1. An infrared target simulation apparatus, comprising:
the target unit comprises a target black body and a first diaphragm, wherein the first diaphragm is used for limiting the size of a field of view of a first infrared light beam emitted by the target black body;
the background unit comprises at least one reserved black body and a second diaphragm; the second diaphragm is used for limiting the size of a view field of a second infrared beam emitted by the reserved black body, and the light paths of the first infrared beam and the second infrared beam are vertical;
the beam splitter is obliquely arranged at the intersection of the light paths of the first infrared beam and the second infrared beam and is used for coupling the first infrared beam and the second infrared beam;
the collimating lens comprises a concave lens and a convex lens, the concave lens and the convex lens are parallel to each other and are sequentially arranged on a light path after the first infrared light beam and the second infrared light beam are coupled, and the collimating lens is used for collimating and emitting the coupled light beams in parallel light;
the center of the first infrared beam is on the same straight line with the center of the spectroscope and the center of the collimating lens; the center of the second infrared beam and the center of the spectroscope are on the same straight line; the target black body is positioned on a focus of the collimating lens.
2. The infrared target simulation apparatus of claim 1, wherein the first infrared beam and the second infrared beam have a spectral range of 8 to 14 um.
3. The infrared target simulation device as recited in claim 1, wherein a temperature controller is disposed in each of the target black body and the reserved black body for controlling the temperature of the infrared light emitted from the target black body and the reserved black body.
4. The infrared target simulation device of claim 3, wherein the target blackbody and the reserved blackbody are both ES110-20 plane source blackbodies.
5. The infrared target simulation device as claimed in claim 4, wherein the temperature controller of the ES110-20 plane source blackbody is provided with a digital display adjusting instrument which can communicate with a computer.
6. The infrared target simulation device of claim 5, wherein the digital display adjustment instrument communicates with the computer through the RS485 interface.
7. The infrared target simulation apparatus of claim 1, wherein a ratio of a size of a field of view of the first infrared beam to a size of a field of view of the second infrared beam is: 1:2 to 1: 3.
8. The infrared target simulation apparatus of claim 1, further comprising a rotation unit for rotating the target unit.
9. The infrared target simulation device of claim 8, wherein the rotation unit comprises a turntable for mounting the target unit and a motor for controlling the rotation of the turntable to rotate the target unit.
10. The infrared target simulation device of claim 9, wherein the motor has a rotational speed of 4 to 7.5 r/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487613.2A CN113124707A (en) | 2021-05-06 | 2021-05-06 | Infrared target simulation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487613.2A CN113124707A (en) | 2021-05-06 | 2021-05-06 | Infrared target simulation device |
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| CN113124707A true CN113124707A (en) | 2021-07-16 |
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| CN202110487613.2A Pending CN113124707A (en) | 2021-05-06 | 2021-05-06 | Infrared target simulation device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8481382A (en) * | 1981-06-12 | 1982-12-16 | Giravions Dorand | Target simulator |
| US20070034833A1 (en) * | 2004-01-15 | 2007-02-15 | Nanosys, Inc. | Nanocrystal doped matrixes |
| CN102279093A (en) * | 2011-04-13 | 2011-12-14 | 中国兵器工业第二〇五研究所 | Infrared dynamic triangular target simulator |
| CN103033098A (en) * | 2012-11-27 | 2013-04-10 | 凯迈（洛阳）测控有限公司 | Manual diaphragm black body |
| CN103578097A (en) * | 2012-07-30 | 2014-02-12 | 中国科学院光电研究院 | Dual-waveband high-low resolution collaborative target identification device |
| CN104197784A (en) * | 2014-09-19 | 2014-12-10 | 北京仿真中心 | Infrared target and interference simulation device |
| CN108680060A (en) * | 2018-04-03 | 2018-10-19 | 北京环境特性研究所 | A kind of laser infrared complex target simulator, equipment and system |
| US20200309604A1 (en) * | 2019-03-28 | 2020-10-01 | Government Of The United States Of America, As Represented By The Secretary Of Commerce | Self-referenced ambient radiation thermometer and process for determining a temperature of a blackbody object |
-
2021
- 2021-05-06 CN CN202110487613.2A patent/CN113124707A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8481382A (en) * | 1981-06-12 | 1982-12-16 | Giravions Dorand | Target simulator |
| US20070034833A1 (en) * | 2004-01-15 | 2007-02-15 | Nanosys, Inc. | Nanocrystal doped matrixes |
| CN102279093A (en) * | 2011-04-13 | 2011-12-14 | 中国兵器工业第二〇五研究所 | Infrared dynamic triangular target simulator |
| CN103578097A (en) * | 2012-07-30 | 2014-02-12 | 中国科学院光电研究院 | Dual-waveband high-low resolution collaborative target identification device |
| CN103033098A (en) * | 2012-11-27 | 2013-04-10 | 凯迈（洛阳）测控有限公司 | Manual diaphragm black body |
| CN104197784A (en) * | 2014-09-19 | 2014-12-10 | 北京仿真中心 | Infrared target and interference simulation device |
| CN108680060A (en) * | 2018-04-03 | 2018-10-19 | 北京环境特性研究所 | A kind of laser infrared complex target simulator, equipment and system |
| US20200309604A1 (en) * | 2019-03-28 | 2020-10-01 | Government Of The United States Of America, As Represented By The Secretary Of Commerce | Self-referenced ambient radiation thermometer and process for determining a temperature of a blackbody object |
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