CN202102162U - Automatic diaphragm zoom lens with optical filtering function - Google Patents
Automatic diaphragm zoom lens with optical filtering function Download PDFInfo
- Publication number
- CN202102162U CN202102162U CN2011202033459U CN201120203345U CN202102162U CN 202102162 U CN202102162 U CN 202102162U CN 2011202033459 U CN2011202033459 U CN 2011202033459U CN 201120203345 U CN201120203345 U CN 201120203345U CN 202102162 U CN202102162 U CN 202102162U
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- focusing ring
- lens
- main tube
- optical filtering
- diaphragm
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Abstract
The utility model discloses an automatic diaphragm zoom lens with an optical filtering function. The automatic diaphragm zoom lens comprises a main barrel, an automatic diaphragm, a first lens set and a second lens set, wherein the central part of the main barrel is provided with a radial hole, the first lens set and the second lens set are respectively arranged in a first moving lens frame and a second moving lens frame, the first moving lens frame and the second moving lens frame are respectively arranged at the front part and the rear part of the inner hole of the main barrel, the external surfaces of the front part and the rear part of the main barrel are respectively provided with a first focusing ring and a second focusing ring, the first focusing ring and the second focusing ring are respectively connected with the first moving lens frame and the second moving lens frame via a first connecting piece and a second connecting piece, the automatic diaphragm comprises a light diaphragm and an optical filtering sheet, the light diaphragm and the optical filtering sheet are arranged in the radial hole of the main barrel, the light diaphragm is driven by a motor, the optical filtering sheet is arranged at the back of the light diaphragm and is driven by another motor for the switching of optical filtering or non optical filtering, the optical filtering sheet comprises an optical filtering part and a full-light transmission part, and the thicknesses of the optical filtering part and the full-light transmission part of the optical filtering sheet are same. The automatic diaphragm zoom lens with the optical filtering function has a compact structure, the lens does not defocus under optical filtering and non optical filtering states, and the acquisition quality of images can be guaranteed.
Description
Technical field
The utility model relates to pick-up lens manufacturing technology field, especially a kind of Auto Iris Zoom Lens that has filtering functions.
Background technology
Now, video camera has been widely used in the monitoring field, for some more important places maybe need monitor wider; Video camera must be joined Auto Iris Zoom Lens, but Auto Iris Zoom Lens does not on the market generally have filtering functions, and rig camera needs around the clock service; Be carried out to picture because of wavelength greater than the Sensor section that the invisible infrared light of the people of 760nm also gets into video camera in the time of daytime; The meeting interference images causes color distortion, therefore need increase a filtering apparatus to video camera; Filter in the time of daytime; The filtering wavelength does not filter in the time of evening greater than the infrared light of 760nm, lets wavelength have night vision function greater than the infrared light of 760nm through making video camera; At present filtering apparatus generally is arranged on before the camera lens or behind the camera lens, and the swing through an optical filter realizes filtering and the switching that does not filter, and this spline structure can more complicated; Volume is also bigger, simultaneously, and because of optical filter has certain thickness; Filter and the state that do not filter; The sensor part spectroscopy length overall that arrives video camera can change, and the camera lens defocusing phenomenon occurs, influences the acquisition quality of image.
The utility model content
The technical matters that the utility model will solve provides a kind of Auto Iris Zoom Lens that has filtering functions; Be fit to be applied to have the video camera of infrared function; Make the compact overall structure of video camera, filtering and the state camera lens that do not filter does not lose Jiao, guarantee the acquisition quality of image.
For achieving the above object, the technical scheme of the utility model is: a kind of Auto Iris Zoom Lens that has filtering functions comprises main tube, auto iris, first lens set, second lens set; The middle part of main tube is provided with a radial hole; The front and rear of main tube is respectively established a pilot hole, and first lens set is contained in first and moves in the picture frame, and second lens set is contained in second and moves in the picture frame; First moves picture frame is contained in main tube endoporus front portion, and second moves picture frame is contained in main tube endoporus rear portion; The forward outer surface of main tube is equipped with first focusing ring; The external rear face of main tube is equipped with second focusing ring; First focusing ring and the second focusing ring inside surface are provided with gathering sill; The anterior pilot hole of main tube is equipped with first web member; First web member, one end and first moves that picture frame fixes, the gathering sill of the other end and the first focusing ring inside surface matches makes that rotating first focusing ring can make first to move picture frame and move axially along a main tube endoporus; The rear portion pilot hole of main tube is equipped with second web member, and second web member, one end and second moves that picture frame fixes, the gathering sill of the other end and the second focusing ring inside surface matches makes that rotating second focusing ring can make second to move picture frame and move axially along a main endoporus; Auto iris comprises diaphragm and optical filter; Diaphragm and optical filter are contained in the radial hole of main tube, and diaphragm is regulated luminous flux by a motor driven, and optical filter is arranged on the back of diaphragm and is filtered and do not filtered by another motor driven switching; Optical filter comprises filter part and full impregnated light part; The optical filtering part of optical filter is identical with full impregnated light segment thickness, and the optical filtering of optical filter partly covers the light hole of diaphragm during optical filtering, and the full impregnated light of optical filter partly covers the light hole of diaphragm when not filtering.
Further improve; For making the camera lens can automatic focusing; Each fixing sector gear of described first focusing ring and the second focusing ring outside surface; The fixing step motor of a main tube middle part outside surface, step motor is provided with the driving shaft that axially is provided with along main tube, the two ends of driving shaft respectively be equipped with a gear respectively with first focusing ring on sector gear and the sector gear on second focusing ring be meshed.
The preferred a kind of mounting hole of pilot hole of leading the front and rear of tube for being provided with vertically, the gathering sill of first focusing ring and the second focusing ring inside surface is spiral gathering sill; The pilot hole of the front and rear of another kind of main tube is one section spirality pilot hole, and the gathering sill of said first focusing ring and the second focusing ring inside surface is the kidney slot that is provided with vertically.
Preferred described first lens set comprises three lens; Along going into light direction is meniscus, biconcave lens and meniscus; Described second lens set comprises six lens, is biconvex lens along going into light direction, protruding plano lens, biconcave lens, biconvex lens, plano-convex lens and protruding plano lens.
Further again, near the front end face of first focusing ring trim ring is set at main tube front end, the rear end face at main tube rear portion near second focusing ring is provided with a compressing tablet, can prevent that first focusing ring and second focusing ring from moving axially along main tube.
The utility model is because auto iris comprises diaphragm and optical filter, and diaphragm and optical filter are contained in the radial hole of main tube, and diaphragm is regulated luminous flux by a motor driven; Optical filter is arranged on the back of diaphragm and is filtered and do not filtered by another motor driven switching, and therefore compact conformation the utlity model has filtering functions; Be fit to be applied to have the video camera of infrared function; Be used for the monitoring and the shooting of whole day, make the compact overall structure of video camera, miniaturization.
On the other hand; Optical filter comprises filter part and full impregnated light part, and the optical filtering part of optical filter is identical with full impregnated light segment thickness, and the optical filtering of optical filter partly covers the light hole of diaphragm during optical filtering; The full impregnated light of optical filter partly covers the light hole of diaphragm when not filtering; Optics length overall filtering with the state camera lens that do not filter does not change, and camera lens does not lose Jiao, guarantees the acquisition quality of image.
Description of drawings
Fig. 1 is the utility model master tube cut-open view vertically.
Fig. 2 is the utility model front view.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the A-A cut-open view of Fig. 3.
Fig. 5 is the right view of Fig. 2.
Fig. 6 is the utility model auto iris front view.
Fig. 7 is that auto iris is in the optical filtering view.
Fig. 8 is that auto iris is in the view that do not filter.
Embodiment
Below in conjunction with accompanying drawing and concrete embodiment the utility model is done further explain.
Fig. 1 is to shown in Figure 8, and a kind of Auto Iris Zoom Lens that has filtering functions comprises main tube 1, auto iris 2, first lens set 3, second lens set 4; The middle part of main tube 1 is provided with a radial hole 11; The front and rear of main tube is respectively established a pilot hole 12,13, the first lens set 3 and is contained in first and moves in the picture frame 30, and second lens set 4 is contained in second and moves in the picture frame 40; First moves picture frame 30 is contained in main tube 1 endoporus 14 front portions, and second moves picture frame 40 is contained in main tube 1 endoporus 14 rear portions.
The forward outer surface of main tube 1 is equipped with first focusing ring 5; The external rear face of main tube 1 is equipped with second focusing ring 6; First focusing ring 5 and second focusing ring, 6 inside surfaces are provided with gathering sill; The anterior pilot hole 12 of main tube 1 is equipped with first web member 51; First web member, 51 1 ends and first move that picture frame 30 fixes, the gathering sill of the other end and first focusing ring, 5 inside surfaces matches makes that rotating first focusing ring 5 can make first to move picture frame 30 and move axially along main tube 1 endoporus 14; The rear portion pilot hole 13 of main tube 1 is equipped with that second web member, 61, the second web members, 61 1 ends and second move that picture frame 40 fixes, the gathering sill of the other end and second focusing ring, 6 inside surfaces matches makes that rotating second focusing ring 6 can make second to move picture frame 40 and move axially along main 1 endoporus 14.
When the pilot hole 12,13 of the front and rear of main tube 1 adopts the mounting hole that is provided with vertically, the gathering sill of said first focusing ring 5 and second focusing ring, 6 inside surfaces is spiral gathering sill just.
When the pilot hole 12,13 of the front and rear of main tube 1 is designed to one section spirality pilot hole, the gathering sill of said first focusing ring 5 and second focusing ring, 6 inside surfaces just is the kidney slot of setting vertically.
At first focusing ring 5 and each fixing sector gear 52,62 of second focusing ring, 6 outside surfaces; The fixing step motor 7 of main tube 1 middle part outside surface, step motor 7 is provided with the driving shaft 71 that axially is provided with along main tube 7, and a gear 8,81 respectively is equipped with at the two ends of driving shaft 71; Gear 8; Be meshed with the sector gear 52 on first focusing ring 5, the sector gear 62 on the gear 81 and second focusing ring 6 is meshed, and camera lens just can be realized automatic focusing function like this; And move picture frame 30 and second and move picture frame 40 same moved further because of the 1st, focusing range is wide.
Near the front end face of first focusing ring 5 trim ring 9 is set at main tube 1 front end, the rear end face at main tube 1 rear portion near second focusing ring 6 is provided with a compressing tablet 10, can prevent that first focusing ring 5 and second focusing ring 6 from moving axially along main.
The rear end 15 of main tube 1 is the Self-carried type standard socket that is connected with picture pick-up device.
The utility model through the control section of video camera, makes motor 210 actions can control the luminous flux of diaphragm 21 with after video camera is connected, and makes motor 220 actions, and the optical filtering of cutaway and the state that do not filter make step motor 7 action realization automatic focusings.
Below only be preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection domain of this case.
Claims (6)
1. an Auto Iris Zoom Lens that has filtering functions comprises main tube, auto iris, first lens set, second lens set, it is characterized in that:
The middle part of main tube is provided with a radial hole; The front and rear of main tube is respectively established a pilot hole, and first lens set is contained in first and moves in the picture frame, and second lens set is contained in second and moves in the picture frame; First moves picture frame is contained in main tube endoporus front portion, and second moves picture frame is contained in main tube endoporus rear portion;
The forward outer surface of main tube is equipped with first focusing ring; The external rear face of main tube is equipped with second focusing ring; First focusing ring and the second focusing ring inside surface are provided with gathering sill; The anterior pilot hole of main tube is equipped with first web member; First web member, one end and first moves that picture frame fixes, the gathering sill of the other end and the first focusing ring inside surface matches makes that rotating first focusing ring can make first to move picture frame and move axially along a main tube endoporus; The rear portion pilot hole of main tube is equipped with second web member, and second web member, one end and second moves that picture frame fixes, the gathering sill of the other end and the second focusing ring inside surface matches makes that rotating second focusing ring can make second to move picture frame and move axially along a main endoporus;
Auto iris comprises diaphragm and optical filter; Diaphragm and optical filter are contained in the radial hole of main tube, and diaphragm is regulated luminous flux by a motor driven, and optical filter is arranged on the back of diaphragm and is filtered and do not filtered by another motor driven switching; Optical filter comprises filter part and full impregnated light part; The optical filtering part of optical filter is identical with full impregnated light segment thickness, and the optical filtering of optical filter partly covers the light hole of diaphragm during optical filtering, and the full impregnated light of optical filter partly covers the light hole of diaphragm when not filtering.
2. the Auto Iris Zoom Lens that has filtering functions according to claim 1; It is characterized in that: each fixing sector gear of described first focusing ring and the second focusing ring outside surface; The fixing step motor of main tube middle part outside surface; Step motor is provided with the driving shaft that axially is provided with along main tube, the two ends of driving shaft respectively be equipped with a gear respectively with first focusing ring on sector gear and the sector gear on second focusing ring be meshed.
3. the Auto Iris Zoom Lens that has filtering functions according to claim 1; It is characterized in that: the mounting hole of the pilot hole of the front and rear of said main tube for being provided with vertically, the gathering sill of said first focusing ring and the second focusing ring inside surface is spiral gathering sill.
4. the Auto Iris Zoom Lens that has filtering functions according to claim 1; It is characterized in that: the pilot hole of the front and rear of said main tube is one section spirality pilot hole, and the gathering sill of said first focusing ring and the second focusing ring inside surface is the kidney slot that is provided with vertically.
5. according to each described Auto Iris Zoom Lens that has filtering functions of claim 1 to 4; It is characterized in that: described first lens set comprises three lens; Along going into light direction is meniscus, biconcave lens and meniscus; Described second lens set comprises six lens, is biconvex lens along going into light direction, protruding plano lens, biconcave lens, biconvex lens, plano-convex lens and protruding plano lens.
6. the Auto Iris Zoom Lens that has filtering functions according to claim 5 is characterized in that: near the front end face of first focusing ring trim ring is set at main tube front end, the rear end face at main tube rear portion near second focusing ring is provided with a compressing tablet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202033459U CN202102162U (en) | 2011-06-16 | 2011-06-16 | Automatic diaphragm zoom lens with optical filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202033459U CN202102162U (en) | 2011-06-16 | 2011-06-16 | Automatic diaphragm zoom lens with optical filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202102162U true CN202102162U (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202033459U Expired - Fee Related CN202102162U (en) | 2011-06-16 | 2011-06-16 | Automatic diaphragm zoom lens with optical filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202102162U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529533A (en) * | 2013-10-23 | 2014-01-22 | 厦门力鼎光电技术有限公司 | Lens assembly matched with mobile phone for use |
| CN108761705A (en) * | 2018-05-31 | 2018-11-06 | 厦门力鼎光电股份有限公司 | A kind of lens construction |
| CN109000112A (en) * | 2018-09-13 | 2018-12-14 | 襄阳市雄狮光电科技有限公司 | A kind of high definition bugeye lens |
| CN110119030A (en) * | 2019-06-19 | 2019-08-13 | 北京东方锐镭科技有限公司 | A kind of angle of divergence adjustable type beam expanding lens |
| CN110618510A (en) * | 2019-09-18 | 2019-12-27 | 福建福光股份有限公司 | High-span focal length automatic high-definition camera monitor lens |
-
2011
- 2011-06-16 CN CN2011202033459U patent/CN202102162U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529533A (en) * | 2013-10-23 | 2014-01-22 | 厦门力鼎光电技术有限公司 | Lens assembly matched with mobile phone for use |
| CN108761705A (en) * | 2018-05-31 | 2018-11-06 | 厦门力鼎光电股份有限公司 | A kind of lens construction |
| CN109000112A (en) * | 2018-09-13 | 2018-12-14 | 襄阳市雄狮光电科技有限公司 | A kind of high definition bugeye lens |
| CN109000112B (en) * | 2018-09-13 | 2020-07-10 | 襄阳市雄狮光电科技有限公司 | High-definition super-wide-angle lens |
| CN110119030A (en) * | 2019-06-19 | 2019-08-13 | 北京东方锐镭科技有限公司 | A kind of angle of divergence adjustable type beam expanding lens |
| CN110618510A (en) * | 2019-09-18 | 2019-12-27 | 福建福光股份有限公司 | High-span focal length automatic high-definition camera monitor lens |
| CN110618510B (en) * | 2019-09-18 | 2022-02-18 | 福建福光股份有限公司 | High-span focal length automatic high-definition camera monitor lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20150616 |
|
| EXPY | Termination of patent right or utility model |