CN201335906Y - 2.7mm to 10.00mm zoom lens - Google Patents
2.7mm to 10.00mm zoom lens Download PDFInfo
- Publication number
- CN201335906Y CN201335906Y CNU2009201362714U CN200920136271U CN201335906Y CN 201335906 Y CN201335906 Y CN 201335906Y CN U2009201362714 U CNU2009201362714 U CN U2009201362714U CN 200920136271 U CN200920136271 U CN 200920136271U CN 201335906 Y CN201335906 Y CN 201335906Y
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- focusing
- shank
- lens
- lens assembly
- light incident
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- Expired - Fee Related
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- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 241000219739 Lens Species 0.000 claims description 80
- 210000000695 crystalline len Anatomy 0.000 claims description 80
- 230000005499 meniscus Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 5
- 230000007123 defense Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 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
Images
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Abstract
The utility model relates to a zoom lens, in particular to a zoom lens with the focusing range from 2.7mm to 10.00mm. The zoom lens belongs to the technical field of the production of safety protection monitor materials. The zoom lens comprises a lens body; a magnifying lens assembly, a focus adjustment lens assembly, an aperture adjustment assembly and a focusing lens assembly are arranged inside the lens body in the light incidence direction in sequence; the zoom range which can be formed by four optical assemblies in the light incidence direction is from 2.7mm to 10.00mm; the focus adjustment lens assembly and the focusing lens assembly can axially move along the lens body; and the magnifying lens assembly is fixedly connected to the lens body through threads. Through the reasonable arrangement of all the assemblies, the utility model increases the relevant parameters of the lens, and has the advantages of reasonable structure, better using effect and the like.
Description
Technical field
The utility model relates to a kind of zoom lens, and the zoom lens of burnt specifically scope between 2.7mm to 10.00mm 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.Be in the zoom lens of 2.7mm to 10.00mm at present,, make the effect of lens imaging not ideal enough, influenced the whole structure of supervisory system because being provided with of structure and correlation parameter is reasonable inadequately.
Summary of the invention
At the deficiency of existing zoom lens technology, the utility model provides a kind of rational in infrastructure, 2.7mm to 10.00mm zoom lens that result of use is good, and this camera lens zooming range comprises 4mm, 6mm, the focal range that three kinds of present camera lenses of 8mm are commonly used,
The utility model is achieved through the following technical solutions:
The utility model comprises shank, the enlarging lens assembly is established successively along the light incident direction in its inboard, focusing lens chip module, aperture adjusting part and focusing lens assembly, the zooming range that can form along four optical modules of light incident direction is 2.7mm to 10.00mm, wherein
The enlarging lens assembly comprises along the different biconvex lens of light incident direction curvature mirror, meniscus;
The focusing lens chip module comprises three lens, and along the light incident direction, described three focusing lenss are followed successively by the different meniscus of curvature mirror, biconcave lens glued together and biconvex lens;
The focusing lens assembly comprises along the light incident direction and is followed successively by the different biconvex lens of curvature mirror, meniscus, meniscus;
Above-mentioned focusing lens chip module and focusing lens assembly can move axially along shank, and the enlarging lens assembly is fixedly connected on shank by screw thread.
Described focusing lens chip module also comprises the focusing drawtube that is positioned at shank, the 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, described focusing ring is done axial slip through helical rotation pair and the relative shank of guider screw drive focusing lens chip module, described helical rotation pair comprises to be located on the shank perisporium in straight line groove that the shank axial line parallels and to be 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.
Described focusing lens assembly also comprises the focusing barrel that is positioned at shank, the focusing barrel outside is provided with guider screw, the outside of described shank is provided with can be with respect to the focusing ring of shank rotation, focusing ring is done axial slip through helical rotation pair and the relative shank of guider screw drive focusing lens assembly, described helical rotation pair comprises to be located on the shank perisporium in straight line groove that the shank axial line parallels and to be 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.
Described aperture adjusting part comprises the diaphragm rotating ring, and this diaphragm rotating ring is 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 2.7mm to 10.00mm scope.
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 2.7mm to 10.00mm of the present utility model, comprise shank 1 and the enlarging lens assembly 2 of being located at shank 1 inboard along the light incident direction successively, focusing lens chip module 3, aperture adjusting part 4 and focusing lens assembly 5, the zooming range that can form along four optical modules of light incident direction is 2.7mm to 10.00mm.Described enlarging lens assembly 2 is provided with two lens, and along the light incident direction, described two focusing lenss are followed successively by the different biconvex lens of curvature mirror 6, meniscus 7; Described focusing lens chip module 3 is provided with three lens, and along the light incident direction, described three focusing lenss are followed successively by the different meniscus of curvature mirror 8, biconcave lens 9 glued together and meniscus 10; Described focusing lens assembly 5 is provided with three lens, and along the light incident direction, described three condenser lenses are followed successively by the different biconvex lens of curvature mirror 11, meniscus 12, meniscus 13; Described focusing lens chip module 3 and focusing lens assembly 5 can move axially along shank 1, and enlarging lens assembly 2 is fixedly connected on shank by screw thread.
In order to carry out manual focusing, above-mentioned focusing lens chip module 3 is provided with the focusing drawtube 14 that is positioned at shank 1, described focusing drawtube 14 outsides are provided with guider screw 15, the outside of described shank 1 is provided with can be with respect to the focusing ring 16 of shank 1 rotation, described focusing ring 16 is done axial slip through helical rotation secondary 17 and guider screw 15 drive focusing lens chip modules 3 relative shanks 1, described helical rotation pair 17 comprises to be located on shank 1 perisporium in straight line groove 18 that shank 1 axial line parallels and to be located at spirality conduit 19 on focusing ring 16 internal perisporiums, and described guider screw 15 passes straight line groove 18 and stretches and places in the spirality conduit 19.
In order to carry out Manual focusing, above-mentioned focusing lens assembly 5 is provided with the focusing barrel 20 that is positioned at shank 1, described focusing barrel 20 outsides are provided with guider screw 21, the outside of described shank 1 is provided with can be with respect to the focusing ring 22 of shank 1 rotation, described focusing ring 22 is done axial slip through helical rotation secondary 23 and guider screw 21 drive focusing lens assemblies 5 relative shanks 1, described helical rotation pair 23 comprises to be located on shank 1 perisporium in straight line groove 24 that shank 1 axial line parallels and to be located at spirality conduit 25 on focusing ring 22 internal perisporiums, and described guider screw 21 passes straight line groove 24 and stretches and places in the spirality conduit 25.
In the present embodiment, the diaphragm rotating ring of said aperture adjusting part 4 is by the 26 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 2.7mm to 10.00mm zoom lens, comprise shank, it is characterized in that: the enlarging lens assembly is established successively along the light incident direction in described shank inboard, the focusing lens chip module, aperture adjusting part and focusing lens assembly, the zooming range that can form along four optical modules of light incident direction is 2.7mm to 10.00mm, wherein
The enlarging lens assembly comprises along the different biconvex lens of light incident direction curvature mirror, meniscus;
The focusing lens chip module comprises three lens, and along the light incident direction, described three focusing lenss are followed successively by the different meniscus of curvature mirror, biconcave lens glued together and biconvex lens;
The focusing lens assembly comprises along the light incident direction and is followed successively by the different biconvex lens of curvature mirror, meniscus, meniscus;
Above-mentioned focusing lens chip module and focusing lens assembly can move axially along shank, and the enlarging lens assembly is fixedly connected on shank by screw thread.
2,2.7mm to 10.00mm zoom lens according to claim 1, it is characterized in that: described focusing lens chip module also comprises the focusing drawtube that is positioned at shank, the 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, described focusing ring is done axial slip through helical rotation pair and the relative shank of guider screw drive focusing lens chip module, described helical rotation pair comprises to be located on the shank perisporium in straight line groove that the shank axial line parallels and to be 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.
3,2.7mm to 10.00mm zoom lens according to claim 1, it is characterized in that: described focusing lens assembly also comprises the focusing barrel that is positioned at shank, the focusing barrel outside is provided with guider screw, the outside of described shank 1 is provided with can be with respect to the focusing ring of shank rotation, focusing ring is done axial slip through helical rotation pair and the relative shank of guider screw drive focusing lens assembly, described helical rotation pair comprises to be located on the shank perisporium in straight line groove that the shank axial line parallels and to be 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.
4,2.7mm to 10.00mm zoom lens according to claim 1 is characterized in that: described aperture adjusting part comprises the diaphragm rotating ring, and this diaphragm rotating ring is by the CD-ROM drive motor-driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201362714U CN201335906Y (en) | 2009-01-07 | 2009-01-07 | 2.7mm to 10.00mm zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201362714U CN201335906Y (en) | 2009-01-07 | 2009-01-07 | 2.7mm to 10.00mm zoom lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201335906Y true CN201335906Y (en) | 2009-10-28 |
Family
ID=41287562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201362714U Expired - Fee Related CN201335906Y (en) | 2009-01-07 | 2009-01-07 | 2.7mm to 10.00mm zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201335906Y (en) |
-
2009
- 2009-01-07 CN CNU2009201362714U patent/CN201335906Y/en not_active Expired - Fee Related
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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 |
Owner name: QUANZHOU SOUTHEAST PHOTOELECTRIC CO., LTD. Free format text: FORMER NAME: QUANZHOU SOUTHEAST PHOTOELECTRIC CO., LTD. |
|
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20170107 |