CN203069868U - Visible-light high-resolution double-view-field CCD lens - Google Patents
Visible-light high-resolution double-view-field CCD lens Download PDFInfo
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- CN203069868U CN203069868U CN 201320083833 CN201320083833U CN203069868U CN 203069868 U CN203069868 U CN 203069868U CN 201320083833 CN201320083833 CN 201320083833 CN 201320083833 U CN201320083833 U CN 201320083833U CN 203069868 U CN203069868 U CN 203069868U
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Abstract
The utility model relates to a visible-light high-resolution double-view-field CCD lens including a front lens group, a varifocus lens group, a rear lens group and a shell. An outer ring of the shell is connected with a view-field conversion driving device through a connection base. The view-field conversion driving device is inside provided with a first cover plate and a second cover plate. A guide post is arranged between the first cover plate and the second cover plate. A first coil shade and a second coil shade are connected to the first cover plate and the second cover plate respectively. A first coil is arranged in the first coil shade. A second coil is arranged in the second coil shade. The view-field conversion driving device is inside connected with a transmission rod through a first connection shaft. The lower end of the transmission rod is connected with the guide post through a second connection shaft. The transmission rod connects with and drives the vari-focus lens group to move left and right in the shell. The visible-light high-resolution double-view-field CCD lens provided by the utility model can provide high-quality and high-definition images and can respond to light energy changes of an environment quickly and has variable view fields. The visible-light high-resolution double-view-field CCD lens can be used or seeking an object in a large view field and recognizing the object in a small view field.
Description
Technical field
The utility model relates to a kind of visible light high-resolution double-view field CCD camera lens.
Background technology
In the armament systems target seeker system, in order to guarantee the angle measurement accuracy of system, a reliable operation, imaging distinct image sensor must be arranged on mini-bomb, it receives, converges and convert to picture signal with 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 the visual field greatly, can small field of view identify target again, can adapt to external environment condition and miniature design clear, stable, automatically, just require this type of optical system variable field of view, small size, light weight, have temperature adaptive faculty and anti-dither ability on a large scale, make it in MISSILE LAUNCHING and high-speed flight process, can be in reliable and stable duty.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 big, weight is big, does not possess the function of quick conversion double-view field and automatic diaphragm light intensity control; In some cases, special environment can have to a certain degree influence to the angle measurement accuracy of system and image definition.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby a kind of visible light high-resolution double-view field CCD camera lens is provided, and has variable field of view, and target is found in the visual field greatly, can small field of view identify target again; Volume is little, and is in light weight, and working stability is reliable.
According to the technical scheme that the utility model provides, group lens, zoom group lens, back group lens and housing before visible light high-resolution double-view field CCD camera lens comprises, group lens before the housing front end connects, the rear end connects the zoom group lens.Be provided with first biconvex lens and first cemented doublet in the preceding group lens, first biconvex lens is positioned at the first cemented doublet dead ahead.The zoom group that is slidingly installed in housing lens are provided with second cemented doublet and bent moon concavees lens in the zoom group lens, second cemented doublet is positioned at bent moon concavees lens dead ahead.Be provided with second biconvex lens, three balsaming lenss, the 3rd biconvex lens and optical filtering successively in the group lens of back, it is characterized in that: be provided with automatic diaphragm between zoom group lens and the back group lens, automatic diaphragm comprises diaphragm sheet and two-way stable extension spring, and the diaphragm sheet connects housing by the two-way stable extension spring.Described housing outer ring is the automatic diaphragm drive unit fixedly, and the automatic diaphragm drive unit comprises the motor that has speed reduction unit, and motor can be adjusted the focal plane light intensity of the automatic diaphragm that is attached thereto.Described housing outer ring connects visual field conversion drive unit by Connection Block, is provided with first cover plate and second cover plate in the visual field conversion drive unit, is provided with guidepost between first cover plate and second cover plate, is provided with the gap between guidepost and first cover plate, second cover plate.Be connected first coil housing and second coil housing respectively on described first cover plate and second cover plate, be provided with first coil in first coil housing, be provided with second coil in second coil housing.By first coupling shaft drive link that is rotationally connected, the drive link lower end connects guidepost by second coupling shaft in the visual field conversion drive unit.Drive link connects and the side-to-side movement in housing of drive zoom group lens.Fixedly control circuit board of circuit board Connection Block is passed through in group lens outer ring, described back.
Further, the circuit board Connection Block is provided with locating interface.Be provided with vibration shock isolation between the lens barrel of preceding group lens, zoom group lens and back group lens and hit glue-line.Be provided with vibration shock isolation between first biconvex lens and first cemented doublet and hit glue-line.Second cemented doublet and bent moon concavees lens are provided with vibration shock isolation and hit glue-line.
Be provided with vibration shock isolation between second biconvex lens, three balsaming lenss, the 3rd biconvex lens and the optical filtering and hit glue-line.Housing outer ring mounting flange.The lens barrel inwall of preceding group lens is provided with delustring circle and delustred coating.Preceding group lens dead ahead is provided with radome fairing.Radome fairing is the semisphere case.
Compared with the prior art the utility model has the following advantages: (1). long-focus, short tube length, image high-quality high-resolution; (2). adopt automatic diaphragm to carry out light intensity control, overcome the retardation problem of diaphragm action in the universal optical system, be generally 1～2s, system is given to from diaphragm instruction and reaches detector and adapt to its reaction time of light intensity and be not more than 100ms, has realized that the luminous energy of quick response environment changes; (3). axially anti-overload ability is strong.Use the quartzy high-strength material of high index of refraction, in physical construction, changed the method that optical material and metal shell directly contact in the general camera lens, utilizing vibration shock isolation to hit glue-line isolates optical glass and metal shell, this special elastic reactance impacts glue-line had both alleviated big overload to the impact energy of optical glass, can guarantee in the optical design relative position requirement to each eyeglass again, are adopting camera lens and connecting of sensor special-purpose locating interface to guarantee that the position of optics image planes, end face ring flange connect the integral body that guaranteed camera lens and the impact energy transmission of sensor with sensor axial bolt annular layout; (4). anti-dither disturbs.Radially the edge of each part scribbles vibration shock isolation and hits glue-line, and the thread connection part all adopts glued sealing self-locking, has the anti-loosening ability of high frequency that common lens does not have.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 partly cuts open figure for the utility model.
Fig. 3 is visual field conversion drive unit front view.
Fig. 4 is visual field conversion drive unit side view.
Description of reference numerals: 1-radome fairing, group lens before the 2-, 3-zoom group lens, the 4-automatic diaphragm, organize lens behind the 5-, the 6-control circuit board, 7-visual field conversion drive unit, 8-automatic diaphragm drive unit, the 9-locating interface, the 10-ring flange, 11-first biconvex lens, 12-first cemented doublet, 13-second cemented doublet, 14-bent moon concavees lens, 15-second biconvex lens, 16-three balsaming lenss, 17-the 3rd biconvex lens, the 18-optical filtering, 19-first coil, 20-first coil housing, the 21-Connection Block, the 22-drive link, 23-first cover plate, 24-first coupling shaft, 25-second coupling shaft, the 26-guidepost, 27-second coil, 28-second coil housing, 29-second cover plate, 30-delustring circle, the 31-housing, 32-circuit board Connection Block.
Embodiment
Embodiment during following the utility model is incited somebody to action by reference to the accompanying drawings is further described:
Shown in Fig. 1 ~ 2, group lens 2, zoom group lens 3, back group lens 5 and housing 31 before the utility model mainly comprises, group lens 2 before housing 31 front ends connect, the rear end connects zoom group lens 3.Before group be provided with first biconvex lens 11 in the lens 2 and first cemented doublet, 12, the first biconvex lens 11 are positioned at first cemented doublet, 12 dead aheads.The zoom group that is slidingly installed in the housing 31 lens 3 are provided with second cemented doublet 13 in the 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.Be provided with second biconvex lens 15, three balsaming lenss 16, the 3rd biconvex lens 17 and optical filtering 18 successively in the group lens 5 of back.
Be provided with automatic diaphragm 4 between zoom group lens 3 and the back group lens 5, automatic diaphragm 4 comprises diaphragm sheet and two-way stable extension spring, the diaphragm sheet connects housing 31 by the two-way stable extension spring, the two-way stable spring can absorb vibration, extraneous vibration and the influence of impacting the diaphragm sheet all can significantly reduce, thereby make when missile flight the work that the diaphragm sheet can fast and stable.
Described housing 31 outer rings are automatic diaphragm drive unit 8 fixedly, and automatic diaphragm drive unit 8 comprises the motor that has speed reduction unit, and motor can be adjusted the focal plane light intensity of the automatic diaphragm 4 that is attached thereto, and its reaction time is not more than 100ms.
Shown in Fig. 3 ~ 4, described housing 31 outer rings connect visual field conversion drive unit 7 by Connection Block 21, be provided with first cover plate 23 and second cover plate 29 in the visual field conversion drive unit 7, be provided with guidepost 26 between first cover plate 23 and second cover plate 29, be provided with the gap between guidepost 26 and first cover plate 23, second cover plate 29.Be connected respectively to be provided with in first coil, 19, the second coil housings 28 in first coil housing 20 and second coil housing, 28, the first coil housings 20 on described first cover plate 23 and second cover plate 29 and be provided with second coil 27.By first coupling shaft 24 drive link 22 that is rotationally connected, drive link 22 lower ends connect guideposts 26 by second coupling shaft 25 in the visual field conversion drive unit 7.Drive link 22 connects and the side-to-side movement in housing 31 of drive zoom group lens 3.When first coil 19 and second coil 27 were switched on respectively, because galvanomagnetic effect, guidepost 26 drove drive link 22 and swings to first cover plate 23,29 liang of side shiftings of second cover plate, made zoom group lens 3 side-to-side movement in housing 31.Reach the purpose that changes the visual field by the position of conversion zoom group lens 3 in housing 31, target is found in the visual field greatly, again can small field of view identification target.
Fixedly control circuit board 6 of circuit board Connection Block 32 is passed through in group lens 5 outer rings, described back, control circuit board 6 is controlled automatic diaphragm drive unit 8 by photosensitive device picture signal central peak voltage, make the focal plane light intensity of automatic diaphragm 4 regulate, satisfy and use actual needs.Described circuit board Connection Block 32 adopts copper products to make, and the recoil of camera lens is impacted and decomposed and be diffused on the framework of target seeker when making emission, thereby makes electron device not have external force to apply on it, has both guaranteed relative position, has realized the high-mechanic performance again.
Described housing 31 outer ring mounting flanges 10 connect sensor by ring flange 10.Group lens 2 dead aheads are provided with radome fairing 1 before described, and the semisphere case of radome fairing 1 for having high index of refraction adopts the optical quartz glass material to make.The lens barrel inwall of group lens 2 is provided with delustring circle 30 and delustred coating before described, can effectively eliminate veiling glare, improves the treatment of picture quality.
Be provided with vibration shock isolation between the lens barrel of group lens 2, zoom group lens 3 and back group lens 5 before described and hit glue-line, be provided with vibration shock isolation between first biconvex lens 11 and first cemented doublet 12 and hit glue-line, second cemented doublet 13 and bent moon concavees lens 14 are provided with vibration shock isolation and hit glue-line, be provided with vibration shock isolation between second biconvex lens 15, three balsaming lenss 16, the 3rd biconvex lens 17 and the optical filtering 18 and hit glue-line, alleviated big overload to the impact of optical device.Described circuit board Connection Block 32 is provided with locating interface 9, is used for connecting the location, guarantees the accurate location of optics image planes.
Claims (10)
1. a visible light high-resolution double-view field CCD camera lens is organized lens (2), zoom group lens (3), back group lens (5) and housing (31) before comprising, organizes lens (2) before housing (31) front end connects, and the rear end connects zoom group lens (3); Be provided with first biconvex lens (11) and first cemented doublet (12) in the preceding group lens (2), first biconvex lens (11) is positioned at first cemented doublet (12) dead ahead; The zoom group lens (3) that are slidingly installed in the housing (31) are provided with second cemented doublet (13) and bent moon concavees lens (14) in the zoom group lens (3), second cemented doublet (13) is positioned at bent moon concavees lens (14) dead ahead; Be provided with second biconvex lens (15), three balsaming lenss (16), the 3rd biconvex lens (17) and optical filtering (18) successively in the back group lens (5), it is characterized in that: be provided with automatic diaphragm (4) between zoom group lens (3) and the back group lens (5), automatic diaphragm (4) comprises diaphragm sheet and two-way stable extension spring, and the diaphragm sheet connects housing (31) by the two-way stable extension spring; Described housing (31) outer ring is automatic diaphragm drive unit (8) fixedly, and automatic diaphragm drive unit (8) comprises the motor that has speed reduction unit, and motor can be adjusted the focal plane light intensity of the automatic diaphragm (4) that is attached thereto; Described housing (31) outer ring connects visual field conversion drive unit (7) by Connection Block (21), be provided with first cover plate (23) and second cover plate (29) in the visual field conversion drive unit (7), be provided with guidepost (26) between first cover plate (23) and second cover plate (29), guidepost (26) and first cover plate (23), second cover plate are provided with the gap between (29); Be connected first coil housing (20) and second coil housing (28) respectively on described first cover plate (23) and second cover plate (29), be provided with first coil (19) in first coil housing (20), be provided with second coil (27) in second coil housing (28); By first coupling shaft (24) drive link (22) that is rotationally connected, drive link (22) lower end is by second coupling shaft (25) connection guidepost (26) in the visual field conversion drive unit (7); Drive link (22) connects and the side-to-side movement in housing (31) of drive zoom group lens (3); Fixedly control circuit board (6) of circuit board Connection Block (32) is passed through in group lens (5) outer ring, described back.
2. visible light high-resolution double-view field CCD camera lens as claimed in claim 1, it is characterized in that: described circuit board Connection Block (32) is provided with locating interface (9).
3. visible light high-resolution double-view field CCD camera lens as claimed in claim 1 is characterized in that: be provided with vibration shock isolation between the lens barrel of group lens (2), zoom group lens (3) and back group lens (5) before described and hit glue-line.
4. visible light high-resolution double-view field CCD camera lens as claimed in claim 1 is characterized in that: be provided with vibration shock isolation between described first biconvex lens (11) and first cemented doublet (12) and hit glue-line.
5. visible light high-resolution double-view field CCD camera lens as claimed in claim 1, it is characterized in that: described second cemented doublet (13) and bent moon concavees lens (14) are provided with vibration shock isolation and hit glue-line.
6. visible light high-resolution double-view field CCD camera lens as claimed in claim 1 is characterized in that: be provided with vibration shock isolation between described second biconvex lens (15), three balsaming lenss (16), the 3rd biconvex lens (17) and the optical filtering (18) and hit glue-line.
7. visible light 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 light high-resolution double-view field CCD camera lens as claimed in claim 1 is characterized in that: the lens barrel inwall of group lens (2) is provided with delustring circle (30) and delustred coating before described.
9. visible light high-resolution double-view field CCD camera lens as claimed in claim 1 is characterized in that: organize lens (2) dead ahead before described and be provided with radome fairing (1).
10. visible light high-resolution double-view field CCD camera lens as claimed in claim 9, it is characterized in that: described radome fairing (1) is the semisphere case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320083833 CN203069868U (en) | 2013-02-22 | 2013-02-22 | Visible-light high-resolution double-view-field CCD lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320083833 CN203069868U (en) | 2013-02-22 | 2013-02-22 | Visible-light high-resolution double-view-field CCD lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069868U true CN203069868U (en) | 2013-07-17 |
Family
ID=48768639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320083833 Withdrawn - After Issue CN203069868U (en) | 2013-02-22 | 2013-02-22 | Visible-light high-resolution double-view-field CCD lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069868U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091818A (en) * | 2013-02-22 | 2013-05-08 | 无锡北方湖光光电有限公司 | Visible light high resolution double-field of view charge-coupled device (CCD) lens |
| CN106249383A (en) * | 2016-08-30 | 2016-12-21 | 福建福光股份有限公司 | Two grades of visual field tracking measurement camera lenses of long-focus |
| CN110596881A (en) * | 2019-10-18 | 2019-12-20 | 珠海天羿精密仪器有限公司 | Objective lens assembly and sighting telescope |
-
2013
- 2013-02-22 CN CN 201320083833 patent/CN203069868U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091818A (en) * | 2013-02-22 | 2013-05-08 | 无锡北方湖光光电有限公司 | Visible light high resolution double-field of view charge-coupled device (CCD) lens |
| CN103091818B (en) * | 2013-02-22 | 2014-12-03 | 无锡北方湖光光电有限公司 | Visible light high resolution double-field of view charge-coupled device (CCD) lens |
| CN106249383A (en) * | 2016-08-30 | 2016-12-21 | 福建福光股份有限公司 | Two grades of visual field tracking measurement camera lenses of long-focus |
| CN106249383B (en) * | 2016-08-30 | 2018-07-27 | 福建福光股份有限公司 | Two grades of visual field tracking measurement camera lenses of long-focus |
| CN110596881A (en) * | 2019-10-18 | 2019-12-20 | 珠海天羿精密仪器有限公司 | Objective lens assembly and sighting telescope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130717 Effective date of abandoning: 20141203 |
|
| RGAV | Abandon patent right to avoid regrant |