CN204539333U - A kind of pair sweep mechanism that adopts realizes high-altitude distant reconnaissance supervision imaging system - Google Patents
A kind of pair sweep mechanism that adopts realizes high-altitude distant reconnaissance supervision imaging system Download PDFInfo
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- CN204539333U CN204539333U CN201520158524.3U CN201520158524U CN204539333U CN 204539333 U CN204539333 U CN 204539333U CN 201520158524 U CN201520158524 U CN 201520158524U CN 204539333 U CN204539333 U CN 204539333U
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Abstract
A kind of pair sweep mechanism that adopts realizes high-altitude distant reconnaissance supervision imaging system, this system comprises object space sweep mechanism, camera lens, image space sweep mechanism and long-line array focal plane component from the object side to the image side, and object space sweep mechanism becomes certain scan angle with image space sweep mechanism respectively with camera lens optical axis.The utility model adopts object space scanning and image space to scan the mode combined, not only can realize the target search function under Large visual angle mode of operation, the fixed point that also can realize under small field of view pattern monitors and following function, solves the deficiency of current wide area space-born reconnaissance camera in fixed point supervision with following function.
Description
Technical field
The utility model belongs to aerial reconnaissance and surveillance technology field, relates to a kind of pair sweep mechanism that adopts and realizes high-altitude distant reconnaissance supervision imaging system.
Background technology
Aviation monitors the acquisition being mainly used in military affairs, economy and political intelligence information with investigation imaging, along with the fast development of the investigation such as High Altitude UAV, stratospheric airship platform, high-altitude Snoopy Protocol technology is also developed rapidly, require increasing to aerial reconnaissance and the angle of visual field of supervision camera, resolution requirement is more and more higher, and possess remote (more than 50km) target trace and monitor function.At present for high altitude surveillance and supervision imaging, common solution adopts object space sweep mechanism to add that long-focal distance optical system coordinates the mode of large face battle array or long-line array detector to realize the acquisition of Large visual angle, high-definition picture.F-9120 camera as the DB110 camera of the U.S., global hawk camera and Britain all have employed object space sweep mechanism and adds the imaging mode that long-focal distance optical system coordinates large face battle array or long-line array detector, the version of what wherein object space sweep mechanism all adopted is diaxon two framework, realizes the steady picture of camera and IMC function while realizing large field of view scan imaging.The formation method that the high-altitude wide area reconnaissance and surveillance camera of above-mentioned report adopts has stronger advantage in the large visual field high resolution scouting of high-altitude, but monitors the fixed point of target and following function aspect exists larger deficiency.
Utility model content
The technical problem that the utility model solves: overcome the deficiencies in the prior art, propose a kind of pair sweep mechanism that adopts and realize high-altitude distant reconnaissance supervision imaging system, this system not only can realize large field of view scan imaging, can also realize the supervision of small field of view fixed point and following function, improves fixed point surveillance coverage and the surveillance and tracking precision of high-altitude wide area reconnaissance and surveillance camera simultaneously.
The technical solution of the utility model: a kind of pair sweep mechanism that adopts realizes high-altitude distant reconnaissance supervision imaging system, comprises object space sweep mechanism, camera lens, image space sweep mechanism and long-line array focal plane component from the object side to the image side;
Described object space sweep mechanism comprises object space scanning reflection mirror, the parallactic angle servo system in gated sweep direction, the angle of depression servo system in control direction, the angle of depression; Object space sweep mechanism is positioned over the front of camera lens, object space scanning reflection mirror and camera lens optical axis angled, parallactic angle servo system control object space scanning reflection mirror makes camera lens perpendicular to course-and-bearing realizing panoramic scanning imaging; The scanning direction of parallactic angle servo system and angle of depression servo system control object space scanning reflection mirror and direction, the angle of depression, realize initiatively steady picture and IMC;
Described image space sweep mechanism comprises image space scanning reflection mirror, the parallactic angle servo system in gated sweep direction and the angle of depression servo system in control direction, the angle of depression; Image space sweep mechanism is positioned over the front of long-line array focal plane component, image space scanning reflection mirror and camera lens optical axis at a certain angle, parallactic angle servo system control image space scanning reflection mirror realizes scanning imagery within the scope of the whole optical system angle of visual field.
Described parallactic angle servo system comprises turntable driving torque motor, scanning gyro, scanning angle transducer and scanning servo drive circuit; Described angle of depression servo system comprises angle of depression torque motor, angle of depression gyro, angle of depression gyro circuit, angle of depression angular transducer and angle of depression servo drive circuit.
The utility model compared with prior art tool has the following advantages:
1, the utility model object space sweep mechanism can realize high-altitude large field of view scan and scout imaging, and image space sweep mechanism can realize small field of view and monitors and follow the tracks of imaging;
2, the work of the utility model two groups of sweep mechanism couplings can realize the target search function under Large visual angle mode of operation, the supervision under small field of view pattern and following function;
3, two scan methods that the utility model adopts object space scanning and image space scanning to combine can improve the investigation efficiency of high-altitude aircraft camera;
4, the utility model can realize aerial camera IMC function and steady picture function by object space sweep mechanism or image space sweep mechanism.
Accompanying drawing explanation
Fig. 1 is the utility model structural principle schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
The utility model is for long-line array TDI panoramic scanning camera, as shown in Figure 1, a kind ofly adopt two sweep mechanism to realize high-altitude wide area reconnaissance and surveillance formation method to be made up of object space sweep mechanism 1, camera lens 2, image space sweep mechanism 3 and long-line array focal plane component 4 successively from the object side to the image side.Object space sweep mechanism 1 is made up of the parallactic angle servo system in object space scanning reflection mirror, gated sweep direction, the angle of depression servo system in control direction, the angle of depression.Parallactic angle servo system comprises turntable driving torque motor, scanning gyro, scanning angle transducer and scanning servo drive circuit, and angle of depression servo system comprises angle of depression torque motor, angle of depression gyro, angle of depression gyro circuit, angle of depression angular transducer and angle of depression servo drive circuit.Object space sweep mechanism 1 is positioned over the front of camera lens 2, object space scanning reflection mirror and camera lens optical axis angled, object space scanning reflection mirror is used for realizing large field of view scan imaging and object space scan pattern by scanning servo Systematical control, optical lens can be made maximum from the panoramic scanning imaging in-90 ° (level left) extremely+90 ° of (level to the right) scopes perpendicular to course-and-bearing realizes, therefore according to reconnaissance range needs, suitable scanning imagery angular range can be selected.Object space scanning reflection mirror in object space sweep mechanism 1 can also realize active steady picture function and the IMC function of camera by the scanning direction of scanning servo system and angle of depression servo system stabilised mirror and direction, the angle of depression.
Image space sweep mechanism 3 is made up of the scanning servo system in image space scanning reflection mirror, gated sweep direction and the angle of depression servo system in control direction, the angle of depression.Image space sweep mechanism 3 is positioned over the front of long-line array focal plane component 4, image space scanning reflection mirror and camera lens optical axis at a certain angle, the scanning imagery that image space scanning reflection mirror is realized within the scope of the whole optical system angle of visual field by scanning servo Systematical control, such as, the angle of visual field of optical system is 3 ° × 3 °, the linear array direction angle of visual field of TDI detector is 3 °, image space scanning reflection mirror realizes image space scanning and image space scan pattern by scanning servo Systematical control, the similar picture mode imaging of 3 ° × 3 ° of angles of visual field can be realized by image space scanning, load due to image space sweep mechanism is only a slice speculum, its volume is little, lightweight, the scanning imagery of several hertz to tens hertz can be realized, fixed point can be carried out monitor and target following, and there is higher targeted surveillance and tracking accuracy.Image space sweep mechanism 3 also can realize the IMC function of camera and steady picture function.
Therefore combined with image space sweep mechanism by object space sweep mechanism, can realize high-altitude and investigate the target search function of camera under Large visual angle mode of operation at a distance, the fixed point under small field of view pattern monitors and following function.
The utility model does not elaborate part and belongs to techniques well known.
Claims (2)
1. adopt two sweep mechanism to realize high-altitude distant reconnaissance and monitor an imaging system, it is characterized in that: comprise object space sweep mechanism (1), camera lens (2), image space sweep mechanism (3) and long-line array focal plane component (4) from the object side to the image side;
Described object space sweep mechanism (1) comprises object space scanning reflection mirror, the parallactic angle servo system in gated sweep direction, the angle of depression servo system in control direction, the angle of depression; Object space sweep mechanism (1) is positioned over the front of camera lens (2), object space scanning reflection mirror and camera lens (2) optical axis angled, parallactic angle servo system control object space scanning reflection mirror makes camera lens (2) perpendicular to course-and-bearing realizing panoramic scanning imaging; The scanning direction of parallactic angle servo system and angle of depression servo system control object space scanning reflection mirror and direction, the angle of depression, realize initiatively steady picture and IMC;
Described image space sweep mechanism (3) comprises image space scanning reflection mirror, the parallactic angle servo system in gated sweep direction and the angle of depression servo system in control direction, the angle of depression; Image space sweep mechanism (3) is positioned over the front of long-line array focal plane component (4), image space scanning reflection mirror and camera lens (2) optical axis at a certain angle, parallactic angle servo system control image space scanning reflection mirror realizes scanning imagery within the scope of the whole optical system angle of visual field.
2. one according to claim 1 adopts two sweep mechanism to realize high-altitude distant reconnaissance and monitors imaging system, it is characterized in that: described parallactic angle servo system comprises turntable driving torque motor, scanning gyro, scanning angle transducer and scanning servo drive circuit; Described angle of depression servo system comprises angle of depression torque motor, angle of depression gyro, angle of depression gyro circuit, angle of depression angular transducer and angle of depression servo drive circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520158524.3U CN204539333U (en) | 2015-03-19 | 2015-03-19 | A kind of pair sweep mechanism that adopts realizes high-altitude distant reconnaissance supervision imaging system |
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| CN201520158524.3U CN204539333U (en) | 2015-03-19 | 2015-03-19 | A kind of pair sweep mechanism that adopts realizes high-altitude distant reconnaissance supervision imaging system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759419A (en) * | 2016-04-08 | 2016-07-13 | 北京航天计量测试技术研究所 | Medium wave infrared image space scanning optical system having oscillating mirror |
| CN108614273A (en) * | 2016-12-09 | 2018-10-02 | 中国人民解放军92232部队 | A kind of airborne two waveband photoelectricity wide area is scouted and tracks of device and method |
| CN109981947A (en) * | 2019-03-14 | 2019-07-05 | 广州市红鹏直升机遥感科技有限公司 | The angle compensation process and device of the lens group for equipment of taking photo by plane |
-
2015
- 2015-03-19 CN CN201520158524.3U patent/CN204539333U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759419A (en) * | 2016-04-08 | 2016-07-13 | 北京航天计量测试技术研究所 | Medium wave infrared image space scanning optical system having oscillating mirror |
| CN108614273A (en) * | 2016-12-09 | 2018-10-02 | 中国人民解放军92232部队 | A kind of airborne two waveband photoelectricity wide area is scouted and tracks of device and method |
| CN108614273B (en) * | 2016-12-09 | 2021-01-08 | 中国人民解放军92232部队 | Airborne dual-waveband photoelectric wide-area reconnaissance and tracking device and method |
| CN109981947A (en) * | 2019-03-14 | 2019-07-05 | 广州市红鹏直升机遥感科技有限公司 | The angle compensation process and device of the lens group for equipment of taking photo by plane |
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