CN201335907Y - 6.0mm to 16.0mm zoom lens - Google Patents
6.0mm to 16.0mm zoom lens Download PDFInfo
- Publication number
- CN201335907Y CN201335907Y CNU2009201362752U CN200920136275U CN201335907Y CN 201335907 Y CN201335907 Y CN 201335907Y CN U2009201362752 U CNU2009201362752 U CN U2009201362752U CN 200920136275 U CN200920136275 U CN 200920136275U CN 201335907 Y CN201335907 Y CN 201335907Y
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- lens
- focusing
- shank
- lens assembly
- assembly
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Abstract
The utility model relates to a zoom lens, in particular to a zoom lens with the focusing range from 6.0mm to 16.0mm. The 6.0mm to 16.0mm zoom lens comprises a lens body and optical assemblies; particularly, a focus adjustment lens assembly, an aperture adjustment assembly, a focusing and compensating lens 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 the four optical assemblies in the light incidence direction is from 6.0mm to 16.0mm; the focus adjustment lens assembly and the focusing lens assembly can axially move along the lens body; and the focusing and compensating lens assembly is fixed 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 zoom lens, relates in particular to the zoom lens of a kind of burnt scope between 6.0mm to 16.0mm, 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.
The effect of camera lens is that the light image of observed target is presented on the target surface of video camera, also claims optical imagery.The optical element (catoptron, diaphotoscope, prism) of various difformities, different medium (plastics, glass or crystal) is combined by certain way, make light pass through after the transmission or reflection of these optical elements, needs according to people change the transmission direction of light and are received the device reception, have promptly finished the optical imagery process of object.Optical lens should satisfy requirements such as imaging is clear, transmittance strong, illuminance of image plane is evenly distributed, pattern distortion is little, aperture is adjustable.In general each camera lens is all combined by different spacing by the lens of many groups different curve curvature.Index choice such as spacing and eyeglass curvature, light-transmission coefficient have determined the focal length of this camera lens.Camera lens determines outside its imaging results, aperture, the focus function, also is the big cost of religion of supervisory system.Camera lens, can develop for a long time by the dolly camera (Zoom Lens) of manual adjustment aperture and focal length no matter be machine template (Board Lens) or GENERAL TYPE camera lens with regard to the form of camera lens, therefore uses and popularizes.And in recent years, under the situation of camera lens manufacturer technical progress, zoom lens (Vari-focal Lens) is liked by video camera manufacturer with its advantage of focusing automatically.Because but therefore the less autozoom of zoom lens volume be widely used in quick ball-shaped camera and the integrated camera.And dolly camera is big because of volume, price is high than zoom lens, so integrated camera manufacturer adopts zoom lens more, and utilization rate increases gradually.Be in the zoom lens of 6.0mm to 16.0mm 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.
The utility model content
Weak point at existing zoom lens technology, the utility model provides a kind of rational in infrastructure, 6.0mm to 16.0mm zoom lens that result of use is good, this camera lens zooming range comprises indoor wide such as realizing 6mm, 8mm, can realize the remote monitor of 12mm, 16mm again.
The utility model is achieved through the following technical solutions:
6.0mm to 16.0mm zoom lens of the present utility model, comprise shank and optical mirror slip assembly, concrete, described shank inboard sets gradually focusing lens chip module, aperture adjusting part, focus-compensating Lens assembly and focusing lens assembly along the light incident direction, the zooming range that can form along four optical modules of light incident direction is 6.0mm to 16.0mm, wherein:
The focusing lens chip module comprises three lens, and along the light incident direction, described three lens are followed successively by the different biconcave lens of curvature mirror, biconcave lens glued together and biconvex lens;
The focus-compensating Lens assembly comprises two lens, and along the light incident direction, described two lens are different biconvex lens and the biconcave lenss of curvature mirror glued together;
The focusing lens assembly comprises three lens, and along the light incident direction, described three lens are the different meniscus of curvature mirror, meniscus glued together and biconvex lens;
Described focusing lens chip module and described focusing lens assembly can move axially along shank, and described focus-compensating Lens assembly is fixed on the shank by screw thread.
Further, described focusing lens chip module also comprises the focusing drawtube that is positioned at shank, the described focusing drawtube 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, 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.
Further, described focusing lens assembly also comprises the focusing barrel that is positioned at shank, the described 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, described 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.
Further, described aperture adjusting part comprises the diaphragm rotating ring, and described diaphragm rotating ring is driven is connected in the CD-ROM drive motor.
The utility model is by the enlarging lens assembly, the reasonable disposition of focusing lens chip module, aperture adjusting part, focus-compensating Lens assembly and focusing lens assembly, realized the raising of zoom lens correlation parameter, made the imaging effect of camera lens in 6.0mm to 16.0mm scope, obtain the optimization realization.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Existing accompanying drawings and embodiment further specify the utility model.
As shown in Figure 1, the zoom lens of 6.0mm to 16.0mm of the present utility model comprises shank 1 and focusing lens chip module 2, aperture adjusting part 3, focus-compensating Lens assembly 4 and the focusing lens assembly 5 of being located at shank 1 inboard along the light incident direction successively.Described focusing lens chip module 2 is provided with three focusing lenss, and along the light incident direction, described three lens are followed successively by the different biconcave lens of curvature mirror 6, biconcave lens 7 glued together and biconvex lens 8; Described focus-compensating Lens assembly 4 is provided with two lens, and along the light incident direction, described two focus-compensating lens are different biconvex lens 9 and the biconcave lenss 10 of curvature mirror glued together; Described focusing lens assembly 5 is provided with three lens, is the different meniscus of curvature mirror 11 along described three focusing lens of light incident direction, meniscus 12 glued together and biconvex lens 13.Described focusing lens chip module 2 and focusing lens assembly 5 can move axially along shank 1, and focus-compensating Lens assembly 4 is fixed on the shank 1 by screw thread.
In order to carry out manual focusing, above-mentioned focusing lens chip module 2 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 2 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 drives focusing lens assemblies 5 relative shanks 1 through helical rotation secondary 23 and guider screw 21 and does axial slip, described helical rotation pair 23 comprise be located on shank 1 perisporium in straight line groove 24 that shank 1 axial line parallels be located at spirality conduit 25 described guider screws 21 on focusing ring 22 internal perisporiums and pass straight line groove 24 and stretch and place in the spirality conduit 25.
In the present embodiment, the diaphragm rotating ring of said aperture adjusting part 4 is driven is connected in CD-ROM drive motor 26, by CD-ROM drive motor 26 drive actions.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; in the spirit and scope of the present utility model that do not break away from appended claims and limited; can make various variations to the utility model in the form and details, be protection domain of the present utility model.
Claims (4)
1, a kind of 6.0mm to 16.0mm zoom lens, comprise shank and optical mirror slip assembly, it is characterized in that: described shank inboard sets gradually focusing lens chip module, aperture adjusting part, focus-compensating Lens assembly and focusing lens assembly along the light incident direction, the zooming range that can form along four optical modules of light incident direction is 6.0mm to 16.0mm, wherein
The focusing lens chip module comprises three lens, and along the light incident direction, described three lens are followed successively by the different biconcave lens of curvature mirror, biconcave lens glued together and biconvex lens;
The focus-compensating Lens assembly comprises two lens, and along the light incident direction, described two lens are different biconvex lens and the biconcave lenss of curvature mirror glued together;
The focusing lens assembly comprises three lens, and along the light incident direction, described three lens are the different meniscus of curvature mirror, meniscus glued together and biconvex lens;
Described focusing lens chip module and described focusing lens assembly can move axially along shank, and described focus-compensating Lens assembly is fixed on the shank by screw thread.
2,6.0mm to 16.0mm 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 described focusing drawtube 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, 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.
3,6.0mm to 16.0mm 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 described 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, described 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.
4,6.0mm to 16.0mm zoom lens according to claim 1 is characterized in that: described aperture adjusting part comprises the diaphragm rotating ring, and described diaphragm rotating ring is driven is connected in the CD-ROM drive motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201362752U CN201335907Y (en) | 2009-01-07 | 2009-01-07 | 6.0mm to 16.0mm zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201362752U CN201335907Y (en) | 2009-01-07 | 2009-01-07 | 6.0mm to 16.0mm zoom lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201335907Y true CN201335907Y (en) | 2009-10-28 |
Family
ID=41287563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201362752U Expired - Fee Related CN201335907Y (en) | 2009-01-07 | 2009-01-07 | 6.0mm to 16.0mm zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201335907Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873275A (en) * | 2018-06-11 | 2018-11-23 | 青岛奥美克医疗科技有限公司 | Zoom adapter optical system, zoom adapter and endoscopic system |
-
2009
- 2009-01-07 CN CNU2009201362752U patent/CN201335907Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873275A (en) * | 2018-06-11 | 2018-11-23 | 青岛奥美克医疗科技有限公司 | Zoom adapter optical system, zoom adapter and endoscopic system |
| CN108873275B (en) * | 2018-06-11 | 2020-12-29 | 青岛奥美克医疗科技有限公司 | Zoom adapter optical system, zoom adapter, and endoscope system |
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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 |