CN201335908Y - Manually adjustable zoom lens with large range - Google Patents
Manually adjustable zoom lens with large range Download PDFInfo
- Publication number
- CN201335908Y CN201335908Y CNU2009201362767U CN200920136276U CN201335908Y CN 201335908 Y CN201335908 Y CN 201335908Y CN U2009201362767 U CNU2009201362767 U CN U2009201362767U CN 200920136276 U CN200920136276 U CN 200920136276U CN 201335908 Y CN201335908 Y CN 201335908Y
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- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000003384 imaging method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 241000219739 Lens Species 0.000 description 71
- 210000000695 crystalline len Anatomy 0.000 description 71
- 238000005516 engineering process Methods 0.000 description 3
- 230000007123 defense Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000011369 optimal treatment Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to a manually adjustable zoom lens with the large range, which belongs to the technical field of the production of safety protection monitor materials. The zoom lens comprises a lens body, as well as a magnifying lens assembly, a focus adjustment lens assembly, an aperture adjustment assembly and a focusing lens assembly arranged inside the lens body in the light incidence direction in sequence; the zoom range which can be formed by the assemblies is from 5.0mm to 55mm; two lenses are arranged on the magnifying lens assembly; the focus adjustment lens assembly comprises three focus adjustment lens groups and focus adjustment lens cones connected with the peripheral sides of the three focus adjustment lenses; and the focusing lens assembly comprises a focusing lens cone and six focusing lenses, wherein, the focus adjustment lens assembly and the focusing lens assembly can axially move along the lens body. The utility model enables the imaging effect of the lens to be optimally processed within the range from 5.0mm to 55mm; and meanwhile, the zoom range of the lens can not only realize the indoor wide-angle range of 6mm, 8mm and the like, but also realize 55mm remote monitoring. Furthermore, the utility model has the advantages of simple structure and good using effect.
Description
Technical field
The utility model relates to manually zoom lens on a large scale of a kind of scalable, belongs to safety monitoring equipment class manufacturing technology field.
Background technology
Safety defense monitoring system is to use optical fiber, concentric cable or microwave transmission video signal in its closed loop, and shows and write down the system of formation independent completion from the image of making a video recording.It can be in real time, image, reflect monitored object truly, not only greatly prolonged the viewing distance of human eye, and enlarged the function of human eye, it can replace manually monitoring for a long time under rugged environment, the people can be seen be monitored all situations of on-the-spot actual generation, and note by video recorder.Warning system equipment is reported to the police to illegal invasion simultaneously, the warning model input alarm host machine of generation, and alarm host machine triggers supervisory system video recording and record.Zoom lens is the front end camera part of safety defense monitoring system, and its focal length is variable, scenery can be furthered or push away far, realizes the effect of several times of convergent-divergents.
Along with the raising of Design of Monitoring and Control System, it also has higher requirement to corresponding parts.The zoom lens of indoor wide such as 6mm, 8mm is when realizing remote monitor at present, because being provided with of structure and correlation parameter is reasonable inadequately, make the effect of lens imaging not ideal enough, influenced the whole structure of supervisory system, some picture pick-up device has to realize indoor wide-angle and remote monitor with two independent zooms, make supervisory system use numerous rope, be unfavorable for the standardization of associated components.Existing such camera lens adopts focusing compensation and focus-compensating assembly to realize this type of zoom on a large scale, has increased eyeglass quantity, makes lens construction complicated more, is unfavorable for energy savings.
Summary of the invention
At the deficiency of existing zoom lens technology, the utility model provides a kind of rational in infrastructure, result of use is good manual zoom lens on a large scale, and this camera lens promptly can be realized indoor wide such as 6mm, 8mm, can realize the 55mm remote monitor again.
The utility model is achieved through the following technical solutions:
The utility model comprises shank and is located at enlarging lens assembly, focusing lens chip module, aperture adjusting part and the focusing lens assembly of shank inboard successively along the light incident direction, and wherein, the zooming range that above-mentioned each assembly forms is 5.0mm to 55mm,
Described enlarging lens assembly is provided with two lens, and along the light incident direction, described two amplifying lens sheets are followed successively by different biconvex lens of curvature mirror and meniscus;
Described focusing lens chip module is provided with three lens, and along the light incident direction, three focusing lens sheets are followed successively by the different meniscus of curvature mirror, biconcave lens glued together and biconvex lens;
Described focusing lens assembly is provided with six-element lens, and along the light incident direction, six condenser lenses are followed successively by two different biconvex lens of curvature mirror, biconcave lens, biconvex lens and two meniscuses;
Above-mentioned focusing lens chip module and focusing lens assembly can move axially along shank, and the enlarging lens assembly is fixed on the shank by screw thread.
Also be provided with the focusing drawtube that is positioned at shank on the described focusing lens chip module, this focusing drawtube outside is provided with guider screw, the outside of shank is provided with can be with respect to the focusing ring of shank rotation, this focusing ring is done axial slip through helical rotation pair and the relative shank of guider screw drive focusing lens chip module, wherein the helical rotation pair comprises and is located on the shank perisporium in straight line groove that the shank axial line parallels and is located at spirality conduit on the focusing ring internal perisporium, and described guider screw passes the straight line groove and stretches and places in the spirality conduit.
Also be provided with the focusing barrel that is positioned at shank on the described focusing lens assembly, this focusing barrel outside is provided with guider screw, the outside of shank is provided with can be with respect to the focusing ring of shank rotation, this focusing ring is done axial slip through helical rotation pair and the relative shank of guider screw drive focusing lens assembly, wherein the helical rotation pair comprises and is located on the shank perisporium in straight line groove that the shank axial line parallels and is located at spirality conduit on the focusing ring internal perisporium, and described guider screw passes the straight line groove and stretches and places in the spirality conduit.
The diaphragm rotating ring of described aperture adjusting part is worked by the CD-ROM drive motor-driven.
The utility model passes through the enlarging lens assembly, the focusing lens chip module, and the reasonable disposition of aperture adjusting part and focusing lens assembly has realized the raising of camera lens correlation parameter, makes the imaging effect of camera lens obtain optimal treatment in the scope of 5.0mm to 55mm.This camera lens zooming range comprises promptly can realize indoor wide such as 6mm, 8mm, can realize the 55mm remote monitor again, and simple in structure, and result of use is good.The magnifier group of biconvex and concave-convex lens that adopts this camera lens has realized the wide variation of focal length, adopts focusing and two assemblies of focus-compensating to realize more economical with materials of focal length variations than existing such camera lens, and uses simple, effective.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Embodiment: structure as shown in Figure 1, the zoom lens of 5.0mm to 55mm of the present utility model comprises shank 1 and enlarging lens assembly 2, focusing lens chip module 3, aperture adjusting part 4 and the focusing lens assembly 5 of being located at shank 1 inboard along the light incident direction successively.Described enlarging lens assembly 2 is provided with two amplifying lenses, and along the light incident direction, described two lens are followed successively by the different biconvex lens of curvature mirror 6, meniscus 7; Focusing lens chip module 3 is provided with three focusing lenss, and along the light incident direction, described three lens are followed successively by the different meniscus of curvature mirror 8, biconcave lens 9 glued together and biconvex lens 10; Described focusing lens assembly 5 is provided with six condenser lenses, and along the light incident direction, described four lens are followed successively by the different biconvex lens of curvature mirror 11, biconvex lens 12, biconcave lens 13, biconvex lens 14, meniscus 15 and meniscus 16; Described focusing lens chip module 3 and focusing lens assembly 5 can move axially along shank 1, and enlarging lens assembly 2 is fixed on the shank 1 by screw thread.
In order to carry out manual focusing, above-mentioned focusing lens chip module 3 is provided with the focusing drawtube 17 that is positioned at shank 1, described focusing drawtube 17 outsides are provided with guider screw 18, the outside of described shank 1 is provided with can be with respect to the focusing ring 19 of shank 1 rotation, described focusing ring 19 is done axial slip through helical rotation secondary 20 and guider screw 18 drive focusing lens chip modules 3 relative shanks 1, described helical rotation pair 20 comprises to be located on shank 1 perisporium in straight line groove 21 that shank 1 axial line parallels and to be located at spirality conduit 22 on focusing ring 19 internal perisporiums, and described guider screw 18 passes straight line groove 21 and stretches and places in the spirality conduit 22.
In order to carry out Manual focusing, above-mentioned focusing lens assembly 5 is provided with the focusing barrel 23 that is positioned at shank 1, described focusing barrel 23 outsides are provided with guider screw 24, the outside of described shank 1 is provided with can be with respect to the focusing ring 25 of shank 1 rotation, described focusing ring 25 is done axial slip through helical rotation secondary 26 and guider screw 24 drive focusing lens assemblies 5 relative shanks 1, described helical rotation pair 26 comprises to be located on shank 1 perisporium in straight line groove 27 that shank 1 axial line parallels and to be located at spirality conduit 28 on focusing ring 25 internal perisporiums, and described guider screw 24 passes straight line groove 27 and stretches and places in the spirality conduit 28.
In the present embodiment, the diaphragm rotating ring of said aperture adjusting part 4 is by the 29 driving work of CD-ROM drive motor.
The above record only for utilizing the embodiment of this origination techniques content, anyly is familiar with modification, the variation that this skill person uses this creation to do to do, and all belongs to the claim of this creation opinion, and is not limited to those disclosed embodiments.
Claims (4)
1, a kind of manually zoom lens on a large scale, it is characterized in that: this camera lens comprises shank and enlarging lens assembly, focusing lens chip module, aperture adjusting part and the focusing lens assembly of being located at the shank inboard along the light incident direction successively, wherein, the zooming range that above-mentioned each assembly forms is 5.0mm to 55mm
Described enlarging lens assembly is provided with two lens, and along the light incident direction, described two amplifying lens sheets are followed successively by different biconvex lens of curvature mirror and meniscus;
Described focusing lens chip module is provided with three lens, and along the light incident direction, three focusing lens sheets are followed successively by the different meniscus of curvature mirror, biconcave lens glued together and biconvex lens;
Described focusing lens assembly is provided with six-element lens, and along the light incident direction, six condenser lenses are followed successively by two different biconvex lens of curvature mirror, biconcave lens, biconvex lens and two meniscuses;
Above-mentioned focusing lens chip module and focusing lens assembly can move axially along shank, and the enlarging lens assembly is fixed on the shank by screw thread.
2, manually zoom lens on a large scale according to claim 1, it is characterized in that: also be provided with the focusing drawtube that is positioned at shank on the described focusing lens chip module, this focusing drawtube outside is provided with guider screw, the outside of shank is provided with can be with respect to the focusing ring of shank rotation, this focusing ring is done axial slip through helical rotation pair and the relative shank of guider screw drive focusing lens chip module, wherein the helical rotation pair comprises and is located on the shank perisporium in straight line groove that the shank axial line parallels and is located at spirality conduit on the focusing ring internal perisporium, and described guider screw passes the straight line groove and stretches and places in the spirality conduit.
3, manually zoom lens on a large scale according to claim 1, it is characterized in that: also be provided with the focusing barrel that is positioned at shank on the described focusing lens assembly, this focusing barrel outside is provided with guider screw, the outside of shank is provided with can be with respect to the focusing ring of shank rotation, this focusing ring is done axial slip through helical rotation pair and the relative shank of guider screw drive focusing lens assembly, wherein the helical rotation pair comprises and is located on the shank perisporium in straight line groove that the shank axial line parallels and is located at spirality conduit on the focusing ring internal perisporium, and described guider screw passes the straight line groove and stretches and places in the spirality conduit.
4, manually zoom lens on a large scale according to claim 1, it is characterized in that: the diaphragm rotating ring of described aperture adjusting part is worked by the CD-ROM drive motor-driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201362767U CN201335908Y (en) | 2009-01-07 | 2009-01-07 | Manually adjustable zoom lens with large range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201362767U CN201335908Y (en) | 2009-01-07 | 2009-01-07 | Manually adjustable zoom lens with large range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201335908Y true CN201335908Y (en) | 2009-10-28 |
Family
ID=41287564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201362767U Expired - Fee Related CN201335908Y (en) | 2009-01-07 | 2009-01-07 | Manually adjustable zoom lens with large range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201335908Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372903A (en) * | 2015-12-08 | 2016-03-02 | 苏州佳像视讯科技有限公司 | CCD focal distance rapid adjusting apparatus |
| CN108317483A (en) * | 2018-02-07 | 2018-07-24 | 广州市浩洋电子股份有限公司 | Focusing structure of zoom imaging lamp |
| CN114173049A (en) * | 2022-01-12 | 2022-03-11 | 广东电网有限责任公司 | Camera device and unmanned aerial vehicle |
-
2009
- 2009-01-07 CN CNU2009201362767U patent/CN201335908Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372903A (en) * | 2015-12-08 | 2016-03-02 | 苏州佳像视讯科技有限公司 | CCD focal distance rapid adjusting apparatus |
| CN108317483A (en) * | 2018-02-07 | 2018-07-24 | 广州市浩洋电子股份有限公司 | Focusing structure of zoom imaging lamp |
| CN108317483B (en) * | 2018-02-07 | 2023-07-25 | 广州市浩洋电子股份有限公司 | Focusing structure of zooming imaging lamp |
| CN114173049A (en) * | 2022-01-12 | 2022-03-11 | 广东电网有限责任公司 | Camera device and unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 362000, road, Quanzhou economic and Technological Development Zone, Fujian Patentee after: Quanzhou Southeast Photoelectric Co., Ltd. Address before: 362000 Fujian province Quanzhou city Qingmeng Technology Industrial Park incubator detai Road No. 1 business building five floor Patentee before: Quanzhou SouthEast Photoelectric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20170107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |