CN203084301U - Infrared search-and-tracking integrated optical imaging system - Google Patents
Infrared search-and-tracking integrated optical imaging system Download PDFInfo
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- CN203084301U CN203084301U CN 201220694340 CN201220694340U CN203084301U CN 203084301 U CN203084301 U CN 203084301U CN 201220694340 CN201220694340 CN 201220694340 CN 201220694340 U CN201220694340 U CN 201220694340U CN 203084301 U CN203084301 U CN 203084301U
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- lens
- flyback
- object space
- pendulum mirror
- convex surface
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Abstract
The utility model discloses an infrared search-and-tracking integrated optical imaging system; the system comprises a telescoping lens assembly, a flyback lens and a focusing lens arranged in order from an object space to an imaging space on a rotary table; the telescoping lens assembly is used for collecting infrared radiation of the object space, compressing caliber of incident light beam, and ejecting parallel light; the flyback lens is used for swinging back and forth along with rotation of the rotary table in a searing state, so the object space infrared radiation collected by the telescoping lens assembly is processed by the focusing lens, and images are stabilized on a staring detector; in a tracking state, the flyback lens will stop swinging, so the object space infrared radiation collected by the telescoping lens assembly is processed by the focusing lens, and images are directly formed on the staring detector, and the flyback lens is driven by the rotary table for tracking; and the focusing lens is used for focusing the parallel light ejected by the flyback lens on a focal plane of the staring detector so as to form the images. The system is simple in structure, can simultaneously realize searing and tracking, and greatly facilitates a user to use the system.
Description
Technical field
The utility model relates to communication technical field, relates in particular to a kind of infrared reconnaissance and follows the tracks of integrated optical imaging system.
Background technology
Infrared reconnaissance and tracker are a kind of important target detection units, can carry out early warning to low latitude, treetop level target, and the coordinate of definite target, can realize 360 ° of spatial domain fast imagings on infrared eye of level.Has boundless using value in fields such as air scout, low latitude air defense, space early warning.
But existing infrared reconnaissance is two cover systems that separate with tracker, can not realize search and tracking simultaneously, has caused unnecessary trouble to the user.
Summary of the invention
In view of above-mentioned analysis, the utility model aims to provide a kind of infrared reconnaissance and follows the tracks of integrated optical imaging system, and infrared reconnaissance and tracking is integrated, greatly facilitates the user.
The purpose of this utility model mainly is achieved through the following technical solutions:
A kind of infrared reconnaissance and the integrated optical imaging system of tracking comprise first lens, second lens, the 3rd lens and the 4th lens, flyback pendulum mirror and the condenser lens that set gradually from the object space to the imaging side on the turntable;
The monocrystalline germanium lens that described first lens are positive diopter, and described first lens are the meniscus shaped lens of convex surface towards object space;
The monocrystalline germanium lens that described second lens are positive diopter, and described first lens are the meniscus shaped lens of convex surface towards object space;
Described the 3rd lens are negative dioptric zinc selenide lens, and described the 3rd lens are the meniscus shaped lens of convex surface towards object space;
The monocrystalline germanium lens that described the 4th lens are positive diopter, and described the 4th lens are the meniscus shaped lens of convex surface towards described flyback pendulum mirror direction;
Described flyback pendulum mirror is fixed on the base by rotation axis, and described base is fixed on the described turntable;
Described condenser lens is the meniscus shaped lens germainium lens, and the convex surface of described condenser lens is towards described flyback pendulum mirror direction.
Preferably, the combined focal length of described first lens, described second lens and described the 3rd lens is f
1, described the 4th focal length of lens is f
2, the combination enlargement factor of described first lens, described second lens and described the 3rd lens is M=f
1/ f
2
Preferably, described flyback pendulum mirror is a level crossing.
Preferably, in search condition following time, described flyback pendulum mirror swings back and forth on described base along with the rotation of described turntable, the infrared radiation that makes the object space that described the 4th lens collect through behind the described condenser lens on the gazing type detector stabilized image.
Preferably, in tracking mode following time, described flyback pendulum mirror is static on described base, and the infrared radiation that makes the object space that described the 4th lens collect is through imaging on described gazing type detector behind the described condenser lens.
Preferably, in search condition following time, the angle that described flyback pendulum mirror swings back and forth is 0-2 °.
Preferably, in tracking mode following time, the angle of described flyback pendulum mirror is 0 °.
Preferably, the speed of described turntable is V
1, the speed that described flyback pendulum mirror swings back and forth is V, then V=MV
1
Preferably, the focal length of described condenser lens is f
3, then the focal length of optical imaging system is f=Mf
3
The utility model beneficial effect is as follows:
Infrared reconnaissance that the utility model provides and the integrated optical imaging system of tracking, the flyback of this system pendulum mirror swung back and forth in search condition following time, make the detector stabilized image, stop swinging in tracking mode following time, by the direct imaging of gazing type detector, under driving, follows the tracks of by described turntable; Put the change of specular attitude by flyback, realize search and follow the tracks of.This system simple in structure can realize search simultaneously and follow the tracks of, and greatly facilitates the user.
Other feature and advantage of the present utility model will be set forth in the following description, and becoming apparent from instructions of part perhaps understood by implementing the utility model.The purpose of this utility model and other advantages can realize and obtain by specifically noted structure in the instructions of being write, claims and accompanying drawing.
Description of drawings
Fig. 1 is the infrared reconnaissance of the utility model embodiment and follows the tracks of integrated optical imaging system synoptic diagram;
Fig. 2 is the infrared reconnaissance of the utility model embodiment and follows the tracks of integrated optical imaging system synoptic diagram;
Fig. 3 A to Fig. 3 C is the infrared reconnaissance of the utility model embodiment and follows the tracks of the image optics emulated data figure of integrated optical imaging system when searching position;
Fig. 4 A to Fig. 4 C is the infrared reconnaissance of the utility model embodiment and follows the tracks of the image optics emulated data figure of integrated optical imaging system when tracing positional.
Embodiment
Specifically describe preferred embodiment of the present utility model below in conjunction with accompanying drawing, wherein, accompanying drawing constitutes the application's part, and is used from explaination principle of the present utility model with embodiment one of the present utility model.
The utility model embodiment provides a kind of infrared reconnaissance and has followed the tracks of integrated optical imaging system, referring to Fig. 1 and 2,
Described telephoto lens group 11 is used to collect the infrared radiation of object space, and the bore of incident beam is compressed, and penetrates with directional light;
Described telephoto lens group 11 comprises first lens 111, second lens 112, the 3rd lens 113 and the 4th lens 114 that set gradually from the object space to the imaging side;
Described first lens 111 are the monocrystalline germanium lens of positive diopter, and the convex surface of described first lens is towards the meniscus shaped lens of object space;
Described second lens 112 are the monocrystalline germanium lens of positive diopter, and the convex surface of described first lens is towards the meniscus shaped lens of object space;
Described the 3rd lens 113 are negative dioptric zinc selenide lens, and the convex surface of described the 3rd lens is towards the meniscus shaped lens of object space;
Described the 4th lens 114 are the monocrystalline germanium lens of positive diopter, and the convex surface of described the 4th lens is used to compensate the skew of image planes position under different object distances and the different temperatures towards the meniscus shaped lens of described flyback pendulum mirror direction.
The combined focal length of described first lens 111, described second lens 112 and described the 3rd lens 113 is f
1, described the 4th lens 114 focal lengths are f
2, the enlargement factor of described telephoto lens group 11 is M=f
1/ f
2
Described flyback pendulum mirror 12, be used for swinging back and forth along with described turntable rotates in search condition following time, the infrared radiation that makes the object space that described telephoto lens group collects is after handling through described condenser lens, stabilized image on the gazing type detector, stop swinging in tracking mode following time, make infrared radiation directly imaging on described gazing type detector after handling of the object space of described telephoto lens group collection, under described turntable drives, follow the tracks of through described condenser lens;
Described flyback pendulum mirror is a level crossing.In search condition following time, the angle that described flyback pendulum mirror swings back and forth is the 0-2 degree.In tracking mode following time, the angle of described flyback pendulum mirror is 0 degree.Described flyback pendulum mirror is fixed on the base 121 by rotation axis, and the speed of described turntable is V
1, the speed that described flyback pendulum mirror swings back and forth is V, V=MV
1
Described condenser lens 13 is used for carrying out imaging on the focal plane that directional light with the outgoing of described flyback pendulum mirror focuses on described gazing type detector.
Described condenser lens is the 5th lens, and described the 5th lens are the meniscus shaped lens germainium lens, and the convex surface of described the 5th lens is towards described flyback pendulum mirror direction.
The focal length of described the 5th lens is f
3, then the focal length of system is f=Mf
3
Fig. 3 A to Fig. 3 C is the infrared reconnaissance of the utility model embodiment and follows the tracks of the image optics emulated data figure of integrated optical imaging system when searching position, wherein, 3A is the optical transfer function curve map among the utility model embodiment, and its horizontal ordinate is every millimeter demand pairs, the longitudinal axis is a contrast numerical value, Fig. 3 B1 and Fig. 3 B2 are respectively field pattern and distortion figure, Fig. 3 C is lattice array figure, comes optical transfer function, the curvature of field, distortion and the some disc of confusion root mean square diameter of its long-focus as can be seen all in the scope of standard from the figure of Fig. 3 A to Fig. 3 C.
Fig. 4 A to Fig. 4 C is the infrared reconnaissance of the utility model embodiment and follows the tracks of the image optics emulated data figure of integrated optical imaging system when tracing positional.Wherein, 4A is the optical transfer function curve map among the utility model embodiment, and its horizontal ordinate is every millimeter demand pairs, the longitudinal axis is a contrast numerical value, Fig. 4 B1 and Fig. 4 B2 are respectively field pattern and distortion figure, Fig. 4 C is lattice array figure, comes optical transfer function, the curvature of field, distortion and the some disc of confusion root mean square diameter of its long-focus as can be seen all in the scope of standard from the figure of Fig. 4 A to Fig. 4 C.
This shows that infrared reconnaissance of the present utility model and the integrated optical imaging system of tracking have favorable imaging quality.
Infrared reconnaissance that the utility model embodiment provides and the integrated optical imaging system of tracking, the flyback of this system pendulum mirror swung back and forth in search condition following time, make the detector stabilized image, stop swinging in tracking mode following time, by the direct imaging of gazing type detector, under driving, follows the tracks of by described turntable; Put the change of specular attitude by flyback, realize search and follow the tracks of.This system simple in structure can realize search simultaneously and follow the tracks of, and greatly facilitates the user.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (9)
1. an infrared reconnaissance and follow the tracks of integrated optical imaging system is characterized in that, comprises first lens, second lens, the 3rd lens and the 4th lens, flyback pendulum mirror and the condenser lens that set gradually from the object space to the imaging side on the turntable;
The monocrystalline germanium lens that described first lens are positive diopter, and described first lens are the meniscus shaped lens of convex surface towards object space;
The monocrystalline germanium lens that described second lens are positive diopter, and described first lens are the meniscus shaped lens of convex surface towards object space;
Described the 3rd lens are negative dioptric zinc selenide lens, and described the 3rd lens are the meniscus shaped lens of convex surface towards object space;
The monocrystalline germanium lens that described the 4th lens are positive diopter, and described the 4th lens are the meniscus shaped lens of convex surface towards described flyback pendulum mirror direction;
Described flyback pendulum mirror is fixed on the base by rotation axis, and described base is fixed on the described turntable;
Described condenser lens is the meniscus shaped lens germainium lens, and the convex surface of described condenser lens is towards described flyback pendulum mirror direction.
2. system according to claim 1 is characterized in that, the combined focal length of described first lens, described second lens and described the 3rd lens is f
1, described the 4th focal length of lens is f
2, the combination enlargement factor of described first lens, described second lens and described the 3rd lens is M=f
1/ f
2
3. system according to claim 1 is characterized in that, described flyback pendulum mirror is a level crossing.
4. according to claim 1 or 3 described systems, it is characterized in that, in search condition following time, described flyback pendulum mirror swings back and forth on described base along with the rotation of described turntable, the infrared radiation that makes the object space that described the 4th lens collect through behind the described condenser lens on the gazing type detector stabilized image.
5. according to claim 1 or 3 described systems, it is characterized in that in tracking mode following time, described flyback pendulum mirror is static on described base, the infrared radiation that makes the object space that described the 4th lens collect is through imaging on the gazing type detector behind the described condenser lens.
6. system according to claim 4 is characterized in that, in search condition following time, the angle that described flyback pendulum mirror swings back and forth is 0-2 °.
7. system according to claim 5 is characterized in that, in tracking mode following time, the angle of described flyback pendulum mirror is 0 °.
8. system according to claim 2 is characterized in that, the speed of described turntable is V
1, the speed that described flyback pendulum mirror swings back and forth is V, then V=MV
1
9. system according to claim 2 is characterized in that, the focal length of described condenser lens is f
3, then the focal length of optical imaging system is f=Mf
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694340 CN203084301U (en) | 2012-12-14 | 2012-12-14 | Infrared search-and-tracking integrated optical imaging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694340 CN203084301U (en) | 2012-12-14 | 2012-12-14 | Infrared search-and-tracking integrated optical imaging system |
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| CN203084301U true CN203084301U (en) | 2013-07-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018901A (en) * | 2012-12-14 | 2013-04-03 | 中国电子科技集团公司第十一研究所 | Infrared searching and tracking integrated optical imaging system |
| CN104199118A (en) * | 2014-09-24 | 2014-12-10 | 四川九洲电器集团有限责任公司 | Searching and tracking integrated photoelectric detection system |
| CN106052869A (en) * | 2016-05-18 | 2016-10-26 | 中国电子科技集团公司第四十研究所 | Infrared spectroradiometer based on light splitting of gradual filter |
-
2012
- 2012-12-14 CN CN 201220694340 patent/CN203084301U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018901A (en) * | 2012-12-14 | 2013-04-03 | 中国电子科技集团公司第十一研究所 | Infrared searching and tracking integrated optical imaging system |
| CN103018901B (en) * | 2012-12-14 | 2016-04-27 | 中国电子科技集团公司第十一研究所 | A kind of Infrared search and track integrated optical imaging system |
| CN104199118A (en) * | 2014-09-24 | 2014-12-10 | 四川九洲电器集团有限责任公司 | Searching and tracking integrated photoelectric detection system |
| CN106052869A (en) * | 2016-05-18 | 2016-10-26 | 中国电子科技集团公司第四十研究所 | Infrared spectroradiometer based on light splitting of gradual filter |
| CN106052869B (en) * | 2016-05-18 | 2018-10-09 | 中国电子科技集团公司第四十一研究所 | A kind of infrared spectroradio meter based on gradual filter light splitting |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
|
| CX01 | Expiry of patent term |