CN103091818B - Visible light high resolution double-field of view charge-coupled device (CCD) lens - Google Patents
Visible light high resolution double-field of view charge-coupled device (CCD) lens Download PDFInfo
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- CN103091818B CN103091818B CN201310056354.3A CN201310056354A CN103091818B CN 103091818 B CN103091818 B CN 103091818B CN 201310056354 A CN201310056354 A CN 201310056354A CN 103091818 B CN103091818 B CN 103091818B
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Abstract
The invention relates to a visible light high resolution double-view-field charge-coupled device (CCD) lens which comprises a front group lens, a variable focal length group lens, a rear group lens and a shell body. An outer ring of the shell body is connected with a view field converting and driving device through a connecting base. A first cover plate and a second cover plate are arranged in the view field converting and driving device. A guide pillar is arranged between the first cover plate and the second cover plate. A first coil cover is connected with the first cover plate and a second coil cover is connected with the second cover plate. A first coil is arranged in the first coil cover. A second coil is arranged in the second coil cover. A first connecting shaft is connected with a transmission rod in a rotating mode in the view field converting and driving device. The lower end of the transmission rod is connected with the guide pillar through a second connecting shaft. The transmission rod is connected with the variable focal length group lens and drives the variable focal length group lens to move left and right in the shell body. The visible light high resolution double-view-field CCD lens has the advantages of being high in quality and definition of images, and capable of quickly responding to light energy changes of environment, being provided with a variable view field, not only finding a target in a large view field, but also recognizing the target in a small view field.
Description
Technical field
The present invention relates to a kind of visible ray high-resolution double-view field CCD camera lens.
Background technology
On mini-bomb, in armament systems target seeker system, in order to ensure the angle measurement accuracy of system, must have the imageing sensor of a reliable operation, imaging clearly, it receives, converges and convert to picture signal by the optical information of distant place target.Wherein optical system is one of core component of optical sensor, and its high-performance image quality can make system reach the tracking power of distant-range high-precision.
In modern war, require tactical missile can be fast, stable, remote response, thereby require optical system to find target in visual field greatly, can small field of view identify target again, can clear, stable, automatically adapt to external environment condition and miniature design, namely require this type of optical system variable field of view, small size, light weight, there is temperature adaptive faculty and anti-dither ability on a large scale, make it can be in reliable and stable duty in MISSILE LAUNCHING and high-speed flight process.Therefore the missile-borne optical system of developing the miniaturization of a kind of double-view field, many performances is very important.
This type of at present domestic optical system resolution is low, volume is large, weight is large, does not possess the function of quick conversion double-view field and automatic diaphragm intensity control; In some cases, special environment can have impact to a certain degree to the angle measurement accuracy of system and image definition.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, thereby a kind of visible ray high-resolution double-view field CCD camera lens is provided, have variable field of view, target is found in visual field greatly, can small field of view identify target again; Volume is little, lightweight, and working stability is reliable.
According to technical scheme provided by the invention, visible ray high-resolution double-view field CCD camera lens comprises front group of lens, zoom group lens, rear group of lens and housing, group lens before housing front end connects, and rear end connects zoom group lens.In front group of lens, be provided with the first biconvex lens and the first cemented doublet, the first biconvex lens is positioned at the first cemented doublet dead ahead.The zoom group that is slidably installed in housing lens, are provided with the second cemented doublet and bent moon concavees lens in zoom group lens, the second cemented doublet is positioned at bent moon concavees lens dead ahead.In rear group of lens, be provided with successively the second biconvex lens, three balsaming lenss, the 3rd biconvex lens and optical filtering, it is characterized in that: between zoom group lens and rear group of lens, be provided with automatic diaphragm, automatic diaphragm comprises diaphragm sheet and two-way stable extension spring, and diaphragm sheet connects housing by two-way stable extension spring.Automatic diaphragm drive unit is fixed in described housing outer ring, and automatic diaphragm drive unit comprises the motor with speed reduction unit, and motor can be adjusted the focal plane light intensity of the automatic diaphragm being attached thereto.Described housing outer ring connects visual field conversion driving device by Connection Block, is provided with the first cover plate and the second cover plate in the conversion driving device of visual field, between the first cover plate and the second cover plate, is provided with guidepost, between guidepost and the first cover plate, the second cover plate, is provided with gap.Described the first cover plate with on the second cover plate, be connected respectively the first coil housing and the second coil housing, in the first coil housing, be provided with the first coil, in the second coil housing, be provided with the second coil.In the conversion driving device of visual field, be rotationally connected drive link by the first coupling shaft, drive link lower end connects guidepost by the second coupling shaft.Drive link connects and drives the side-to-side movement in housing of zoom group lens.Described rear group of lens outer ring is by the fixing control circuit board of circuit board Connection Block.
Further, circuit board Connection Block is provided with locating interface.Between the lens barrel of front group of lens, zoom group lens and rear group of lens, be provided with vibration shock isolation and hit glue-line.Between the first biconvex lens and the first cemented doublet, be provided with vibration shock isolation and hit glue-line.The second cemented doublet and bent moon concavees lens are provided with vibration shock isolation and hit glue-line.
Between the second biconvex lens, three balsaming lenss, the 3rd biconvex lens and optical filtering, be provided with vibration shock isolation and hit glue-line.Housing outer ring mounting flange.The lens barrel inwall of front group of lens is provided with delustring circle and delustred coating.Front group of lens dead ahead is provided with radome fairing.Radome fairing is semisphere case.
Compared with the prior art the present invention has the following advantages: (1). long-focus, short tube length, image high-quality high-resolution; (2). adopt automatic diaphragm to carry out intensity control, overcome the retardation problem of diaphragm action in universal optical system, be generally 1～2s, system from diaphragm instruction be given to reach detector adapt to its reaction time of light intensity be not more than 100ms, realized quick response environment luminous energy change; (3). axially anti-overload ability is strong.Use high index of refraction quartz high-strength material, in physical construction, change the method that in general camera lens, optical material directly contacts with metal shell, utilize vibration shock isolation to hit glue-line and make optical glass and metal shell isolation, this special elastic reactance impacts glue-line had both alleviated the impact energy of large overload to optical glass, can ensure again the relative position requirement to each eyeglass in optical design, are adopting camera lens and connecting of sensor special locating interface to ensure the position of optics image planes, end face ring flange connects with sensor axial bolt annular layout and has ensured the entirety of camera lens and the impact energy transmission of sensor, (4). anti-dither disturbs.Radially the edge of each part scribbles vibration shock isolation and hits glue-line, and thread connection part all adopts cementing sealing self-locking, has the anti-loosening ability of high frequency that common lens does not have.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the present invention partly cuts open figure.
Fig. 3 is visual field conversion driving device front view.
Fig. 4 is visual field conversion driving device side view.
Description of reference numerals: 1-radome fairing, group lens before 2-, 3-zoom group lens, 4-automatic diaphragm, after 5-, organize lens, 6-control circuit board, 7-visual field conversion driving device, 8-automatic diaphragm drive unit, 9-locating interface, 10-ring flange, 11-the first biconvex lens, 12-the first cemented doublet, 13-the second cemented doublet, 14-bent moon concavees lens, 15-the second biconvex lens, 16-tri-balsaming lenss, 17-the 3rd biconvex lens, 18-optical filtering, 19-the first coil, 20-the first coil housing, 21-Connection Block, 22-drive link, 23-the first cover plate, 24-the first coupling shaft, 25-the second coupling shaft, 26-guidepost, 27-the second coil, 28-the second coil housing, 29-the second cover plate, 30-delustring circle, 31-housing, 32-circuit board Connection Block.
Embodiment
The present invention is below further described in connection with the embodiment in accompanying drawing:
As shown in Figure 1 and 2, the present invention mainly comprises front group of lens 2, zoom group lens 3, rear group of lens 5 and housing 31, group lens 2 before housing 31 front ends connect, and rear end connects zoom group lens 3.In front group of lens 2, be provided with the first biconvex lens 11 and the first cemented doublet 12, the first biconvex lens 11 are positioned at the first cemented doublet 12 dead aheads.The zoom group that is slidably installed in housing 31 lens 3, are provided with the second cemented doublet 13 in zoom group lens 3 and bent moon concavees lens 14, the second cemented doublets 13 are positioned at bent moon concavees lens 14 dead aheads.In rear group of lens 5, be provided with successively the second biconvex lens 15, three balsaming lenss 16, the 3rd biconvex lens 17 and optical filtering 18.
Between zoom group lens 3 and rear group of lens 5, be provided with automatic diaphragm 4, automatic diaphragm 4 comprises diaphragm sheet and two-way stable extension spring, diaphragm sheet connects housing 31 by two-way stable extension spring, two-way stable spring can absorb vibration, extraneous vibration and impact all can significantly reduce the impact of diaphragm sheet, thereby make in the time of missile flight the work that diaphragm sheet can fast and stable.
Automatic diaphragm drive unit 8 is fixed in described housing 31 outer rings, and automatic diaphragm drive unit 8 comprises the motor with speed reduction unit, and motor can be adjusted the focal plane light intensity of the automatic diaphragm 4 being attached thereto, and its reaction time is not more than 100ms.
As shown in Fig. 3 ~ 4, described housing 31 outer rings connect visual field conversion driving device 7 by Connection Block 21, in visual field conversion driving device 7, be provided with the first cover plate 23 and the second cover plate 29, between the first cover plate 23 and the second cover plate 29, be provided with guidepost 26, between guidepost 26 and the first cover plate 23, the second cover plate 29, be provided with gap.Described the first cover plate 23 with on the second cover plate 29, be connected respectively the first coil housing 20 and the second coil housing 28, the first coil housings 20 in be provided with in the first coil 19, the second coil housings 28 and be provided with the second coil 27.In visual field conversion driving device 7, be rotationally connected drive link 22 by the first coupling shaft 24, drive link 22 lower ends connect guidepost 26 by the second coupling shaft 25.Drive link 22 connects and drives zoom group lens 3 in the interior side-to-side movement of housing 31.In the time that the first coil 19 and the second coil 27 are switched on respectively, due to galvanomagnetic effect, guidepost 26, to the first cover plate 23,29 liang of side shiftings of the second cover plate, drives drive link 22 to swing, and makes zoom group lens 3 in the interior side-to-side movement of housing 31.Position by conversion zoom group lens 3 in housing 31 reaches the object that changes visual field, and target is found in visual field greatly, again can small field of view identification target.
Described rear group of lens 5 outer rings are by the fixing control circuit board 6 of circuit board Connection Block 32, control circuit board 6 is controlled automatic diaphragm drive unit 8 by photosensitive device picture signal central peak voltage, the focal plane light intensity of automatic diaphragm 4 is regulated, meet and use actual needs.Described circuit board Connection Block 32 adopts copper product to make, and while making to launch, the setback-impact of camera lens decomposes and is diffused on the framework of target seeker, thereby makes electron device not have external force to apply on it, has both ensured relative position, has realized again high-mechanic performance.
Described housing 31 outer ring mounting flanges 10, by ring flange 10 connecting sensors.Described front group of lens 2 dead aheads are provided with radome fairing 1, and radome fairing 1, for having the semisphere case of high index of refraction, adopts optical quartz glass material to make.The lens barrel inwall of described front group of lens 2 is provided with delustring circle 30 and delustred coating, can effectively eliminate veiling glare, improves the Disposal quality of image.
Between described front group of lens 2, zoom group lens 3 and the lens barrel of rear group of lens 5, be provided with vibration shock isolation and hit glue-line, between the first biconvex lens 11 and the first cemented doublet 12, be provided with vibration shock isolation and hit glue-line, the second cemented doublet 13 and bent moon concavees lens 14 are provided with vibration shock isolation and hit glue-line, between the second biconvex lens 15, three balsaming lenss 16, the 3rd biconvex lens 17 and optical filtering 18, be provided with vibration shock isolation and hit glue-line, alleviated the impact of large overload to optical device.Described circuit board Connection Block 32 is provided with locating interface 9, for connecting location, ensures the accurate location of optics image planes.
Claims (10)
1. a visible ray high-resolution double-view field CCD camera lens, comprise front group of lens (2), zoom group lens (3), rear group of lens (5) and housing (31), group lens (2) before housing (31) front end connects, rear end connects zoom group lens (3); In front group of lens (2), be provided with the first biconvex lens (11) and the first cemented doublet (12), the first biconvex lens (11) is positioned at the first cemented doublet (12) dead ahead; The zoom group lens (3) that are slidably installed in housing (31), are provided with the second cemented doublet (13) and bent moon concavees lens (14) in zoom group lens (3), the second cemented doublet (13) is positioned at bent moon concavees lens (14) dead ahead; In rear group of lens (5), be provided with successively the second biconvex lens (15), three balsaming lenss (16), the 3rd biconvex lens (17) and optical filtering (18), it is characterized in that: between zoom group lens (3) and rear group of lens (5), be provided with automatic diaphragm (4), automatic diaphragm (4) comprises diaphragm sheet and two-way stable extension spring, and diaphragm sheet connects housing (31) by two-way stable extension spring; Automatic diaphragm drive unit (8) is fixed in described housing (31) outer ring, and automatic diaphragm drive unit (8) comprises the motor with speed reduction unit, and motor can be adjusted the focal plane light intensity of the automatic diaphragm (4) being attached thereto; Described housing (31) outer ring connects visual field conversion driving device (7) by Connection Block (21), in visual field conversion driving device (7), be provided with the first cover plate (23) and the second cover plate (29), between the first cover plate (23) and the second cover plate (29), be provided with guidepost (26), guidepost (26) and the first cover plate (23), the second cover plate are provided with gap between (29); Described the first cover plate (23) with on the second cover plate (29), be connected respectively the first coil housing (20) and the second coil housing (28), in the first coil housing (20), be provided with the first coil (19), in the second coil housing (28), be provided with the second coil (27); In visual field conversion driving device (7), be rotationally connected drive link (22) by the first coupling shaft (24), drive link (22) lower end connects guidepost (26) by the second coupling shaft (25); Drive link (22) connects and drives zoom group lens (3) side-to-side movement in housing (31); Described rear group of lens (5) outer ring is by the fixing control circuit board (6) of circuit board Connection Block (32).
2. visible ray high-resolution double-view field CCD camera lens as claimed in claim 1, is characterized in that: described circuit board Connection Block (32) is provided with locating interface (9).
3. visible ray high-resolution double-view field CCD camera lens as claimed in claim 1, is characterized in that: between the lens barrel of described front group of lens (2), zoom group lens (3) and rear group of lens (5), be provided with vibration shock isolation and hit glue-line.
4. visible ray high-resolution double-view field CCD camera lens as claimed in claim 1, is characterized in that: between described the first biconvex lens (11) and the first cemented doublet (12), be provided with vibration shock isolation and hit glue-line.
5. visible ray high-resolution double-view field CCD camera lens as claimed in claim 1, is characterized in that: described the second cemented doublet (13) and bent moon concavees lens (14) are provided with vibration shock isolation and hit glue-line.
6. visible ray high-resolution double-view field CCD camera lens as claimed in claim 1, is characterized in that: between described the second biconvex lens (15), three balsaming lenss (16), the 3rd biconvex lens (17) and optical filtering (18), be provided with vibration shock isolation and hit glue-line.
7. visible ray high-resolution double-view field CCD camera lens as claimed in claim 1, is characterized in that: described housing (31) outer ring mounting flange (10).
8. visible ray high-resolution double-view field CCD camera lens as claimed in claim 1, is characterized in that: the lens barrel inwall of described front group of lens (2) is provided with delustring circle (30) and delustred coating.
9. visible ray high-resolution double-view field CCD camera lens as claimed in claim 1, is characterized in that: described front group of lens (2) dead ahead is provided with radome fairing (1).
10. visible ray high-resolution double-view field CCD camera lens as claimed in claim 9, is characterized in that: described radome fairing (1) is semisphere case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310056354.3A CN103091818B (en) | 2013-02-22 | 2013-02-22 | Visible light high resolution double-field of view charge-coupled device (CCD) lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310056354.3A CN103091818B (en) | 2013-02-22 | 2013-02-22 | Visible light high resolution double-field of view charge-coupled device (CCD) lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103091818A CN103091818A (en) | 2013-05-08 |
| CN103091818B true CN103091818B (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310056354.3A Active CN103091818B (en) | 2013-02-22 | 2013-02-22 | Visible light high resolution double-field of view charge-coupled device (CCD) lens |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712853B (en) * | 2016-12-01 | 2023-03-31 | 长春理工大学 | Communication transmitting device with optical fairing applicable to airborne photoelectric platform |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017094Y (en) * | 2007-03-06 | 2008-02-06 | 利达光电股份有限公司 | Projecting lens for big screen combined split joint wall |
| CN201063071Y (en) * | 2007-03-06 | 2008-05-21 | 利达光电股份有限公司 | Continuously zooming projection objective |
| CN203069868U (en) * | 2013-02-22 | 2013-07-17 | 无锡北方湖光光电有限公司 | Visible-light high-resolution double-view-field CCD lens |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816208A (en) * | 1981-07-22 | 1983-01-29 | Canon Inc | Lens barrel having incorporated with electromagnetic induction mechanism |
| JP2005165058A (en) * | 2003-12-03 | 2005-06-23 | Sharp Corp | Automatic focusing device |
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2013
- 2013-02-22 CN CN201310056354.3A patent/CN103091818B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017094Y (en) * | 2007-03-06 | 2008-02-06 | 利达光电股份有限公司 | Projecting lens for big screen combined split joint wall |
| CN201063071Y (en) * | 2007-03-06 | 2008-05-21 | 利达光电股份有限公司 | Continuously zooming projection objective |
| CN203069868U (en) * | 2013-02-22 | 2013-07-17 | 无锡北方湖光光电有限公司 | Visible-light high-resolution double-view-field CCD lens |
Non-Patent Citations (2)
| Title |
|---|
| JP昭58-16208A 1983.01.29 * |
| JP特开2005-165058A 2005.06.23 * |
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