CN201845118U - Optical regulation structure capable of optical zoom and auto focusing - Google Patents
Optical regulation structure capable of optical zoom and auto focusing Download PDFInfo
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- CN201845118U CN201845118U CN2010205452869U CN201020545286U CN201845118U CN 201845118 U CN201845118 U CN 201845118U CN 2010205452869 U CN2010205452869 U CN 2010205452869U CN 201020545286 U CN201020545286 U CN 201020545286U CN 201845118 U CN201845118 U CN 201845118U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 33
- 230000033001 locomotion Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses an optical regulation structure capable of optical zoom and auto focusing. The regulation structure comprises a lens barrel, and is characterized in that a first group frame, a second group frame, a third group frame and a fourth group frame are sequentially arranged from an object to an co-optical axis of a lens, wherein the first group frame and the third group frame are fixedly connected to the lens barrel; a guide rod is arranged on the two sides of the lens barrel respectively; the second group frame and the fourth group frame are sleeved on the guide rods respectively, and perform sliding motion along the guide rods; a zoom motor and a focusing motor are arranged in the lens barrel respectively; a zoom screw rod and a focusing screw rod are correspondingly connected with output shafts of the zoom motor and the focusing motor; and the second group frame is connected with a zoom nut in threaded connection with the zoom screw rod, and the fourth group frame is connected with a focusing nut in threaded connection with the focusing screw rod. The optical regulation structure provided by the utility model has simple structure, miniaturization of machinery system with optical zoom and auto focusing and diversified functions.
Description
[technical field]
The utility model relates to realizes optical zoom and the optical adjustment structure of focusing automatically.
[background technology]
The following shortcoming of big-and-middle-sized or large-scale zoom mechanism ubiquity that is used for security protection in the market.
One, lens ratio are less, and physical dimension is bigger.
After regulating zoom compensation rate lens group, also need focusing/zooming lens or zoom lens group when two, existing zoom lens becomes times, could become sharply defined image, complicated operation so not only, and become times take time longer.
Three, the existing high camera lens of multiplying power is subjected to mechanics limit in the zoom process, and the zoom blind spot is often arranged, and promptly resolution is relatively poor near a certain focal length, and imaging is not really clear; Have only the minority camera lens now, improve under the otherwise situation aspect certain sacrificing, such as realize high magnification will volume do very big, become doubly chronic etc.
The utility model is being made in such cases.
[utility model content]
The utility model has overcome the deficiencies in the prior art, provide a kind of simple in structure, can realize that optics becomes doubly and the mechanical system miniaturization of focusing automatically, the optical adjustment structure of functional diversities.
In order to solve the technical matters of above-mentioned existence, the utility model adopts related art scheme:
A kind of optical zoom and optical adjustment structure of focusing automatically of realizing, include lens barrel, be characterised in that from object space and be provided with first group of frame successively to mirror side's common optical axis, second group of frame, the 3rd group of frame and four group frame, described first group of frame, the 3rd group of frames are fixedly connected on the lens barrel, dual-side is respectively equipped with guide rod in lens barrel, described second group of frame, the four group frame is set on the guide rod respectively and can slides along guide rod, in lens barrel, be respectively equipped with zoom motor and focusing motor, at zoom motor, the corresponding zoom screw rod that is connected with on the output shaft of focusing motor, the focusing screw rod, on second group of frame, be connected with the zoom nut, on the four group frame, be connected with the focusing nut, the zoom nut thread is connected on the zoom screw rod, and the focusing nut thread is connected on the focusing screw rod.
Aforesaid a kind of optical zoom and optical adjustment structure of focusing automatically of realizing is characterised in that in described the 3rd group of frames to be provided with diaphragm.
Aforesaid a kind of optical zoom and optical adjustment structure of focusing automatically of realizing is characterised in that described focusing motor, zoom motor are step motor.
The utility model compared with prior art has the utility model following advantage is arranged:
One, respectively adopt a zoom motor and focusing motor, control second, the motion of four group frame, realize the zoom anamorphosis function because this practicality becomes times zoom mechanism.Because second, the four group frame is to be orbiting motion with the metal guide shaft, the final clear and smooth that realizes whole image in times process that becomes.
Two, second, the four group frame mainly relies on a transmission nut spare with being connected of motor, this mechanism guarantees by the smooth finish of control screw rod and the precision of transmission nut no matter camera lens is in the equal non-jitter phenomenon of what posture image planes to camera lens in whole change times process.This point has also been established it and can be used on the exhibition booth, as a kind of basis of new demonstration tool.
Three, this novel mechanism volume is less, zoom motor and focusing motor noise in operational process is less, only have only 45 decibels, add this novel mechanism and both can use fixed aperture, can increase day and night IR sheet and auto iris IRIS simultaneously again, or increase day and night IR sheet or auto iris IRIS separately, this just provides different selections for different clients, can be used for the exhibition booth, the DV video camera, indoor and outdoor high definition monitoring etc., to compare its range of application wider with traditional monitoring camera lens.
[description of drawings]
Fig. 1 is one of cut-open view of the present utility model;
Fig. 2 is two of a cut-open view of the present utility model.
[embodiment]
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
A kind of optical zoom and optical adjustment structure of focusing automatically of realizing includes lens barrel 1.Be provided with first group of frame 2, second group of frame 3, the 3rd group of frame 4 and four group frame 5 from object space successively to mirror side's common optical axis.On first group of frame 2, the second group of frame 3, the 3rd group of frame 4 and four group frame 5, can place lenses respectively.
For zoom, the focus function that realizes this structure, described first group of frame 2, the 3rd group of frames 4 are fixedly connected on the lens barrel 1, and first group of frame 2, the 3rd group of frames 4 are motionless with respect to lens barrel 1.Dual-side is respectively equipped with guide rod 6 in lens barrel 1, i.e. two guide rods.Described second group of frame 3, four group frame 5 are set on the guide rod 6 respectively and can slide along guide rod 6, and second group of frame 3, four group frame 5 can only be slided along guide rod 6.And the moving of the second group of frame 3, four group frame 5, thereby make this structure realize zoom, focus function.
In order to realize accurate zoom, focus function, in lens barrel 1, be respectively equipped with zoom motor 7 and focusing motor 8.Corresponding zoom screw rod 9, the focusing screw rod 10 of being connected with on the output shaft of zoom motor 7, focusing motor 8.Be connected with zoom nut 11 on second group of frame 3, be connected with focusing nut 12 on four group frame 5, zoom nut 11 is threaded on the zoom screw rod 9, and focusing nut 12 is threaded on the focusing screw rod 10.
Like this, four group frame 5 cooperates with focusing screw rod 10 by focusing nut 12 when focusing motor 8 forward rotation, moves right thereby drag four group frame 5, and when focusing motor 8 backward rotation, then four group frame 5 is to left movement.In like manner, the motion of second group of frame 3 of zoom motor 7 controls realizes anamorphosis function, and when zoom motor 7 clockwise rotated, second group of frame 3 moved right, increase multiplying factor, and when zoom motor 7 rotated counterclockwise, second group of frame 3 reduced multiplying power to left movement.Second group of frame 3, the four group frame 5 of this structure can move simultaneously.In the present embodiment, described focusing motor 8, zoom motor 7 are step motor.
In described the 3rd group of frames 4, be provided with diaphragm 13.The diaphragm 13 of whole optical adjustment is arranged in the middle of in the 3rd group of frames 4 two the associating eyeglasses, like this because the 3rd group of frame 4 are to have fixed with respect to sensor devices such as CMOS sensitive film or CCD chips in whole change times process, so diaphragm 13 stationkeeping are motionless, only need the adjustment aperture size, entire mechanism is oversimplified, also improved the precision and the reliability of whole camera lens focusing simultaneously.
Be provided with bonnet 14 and support 15 at lens barrel 1 successively towards an end of mirror side, optical filter also can be installed between bonnet 14 and support 15 realize day and night handoff functionality.Can increase day and night optical filter and auto iris IRIS diaphragm again simultaneously, or increase day and night optical filter or automatic diaphragm separately, this just provides different selections for different clients.Use the zone because this point has also increased it, can be used for the exhibition booth, the DV video camera, indoor and outdoor high definition monitoring etc., to compare its range of application wider with traditional monitoring camera lens.
This novel mechanism overall volume size is a 80*45*40 (unit: MM), entire mechanism totally four group's frame groups wherein the first group of frame 2, the 3rd group of frame 4 are fixing group, second group of frame 3, four group frame 5 are movable group, whole group weight was about 3-4g, about general assembly (TW) 90 grams of whole camera lens after wherein second group of frame 3, four group frame 5 were loaded onto glass mirror.The motor that comprises two φ 10 altogether, and 10 pieces of single eyeglasses.
By the reasonable arrangement of above structure, make volume of the present utility model become less, and image planes are clear in whole change times process, no blind spot and jitter phenomenon.The utility model has been accomplished minimum with volume under the certain situation of optical system.In mechanism, do one's utmost to cooperate optics, make camera lens separate the performance of aspects such as looking like a little more than design performance.
This practical mechanism is in order to overcome above shortcoming, the spy has developed a kind of novel mechanism system, and adopt popular plastic parts moulding process, the mould of the employed superhigh precision of more Japanese camera lens manufacturer, and control of perfect injection moulding compacting pressure and ripe condensing temperature control technology, reduced cost.
Claims (3)
1. realize optical zoom and the optical adjustment structure of focusing automatically for one kind, include lens barrel (1), be characterised in that from object space and be provided with first group of frame (2) successively to mirror side's common optical axis, second group of frame (3), the 3rd group of frames (4) and four group frame (5), described first group of frame (2), the 3rd group of frames (4) are fixedly connected on the lens barrel (1), dual-side is respectively equipped with guide rod (6) in lens barrel (1), described second group of frame (3), four group frame (5) is set in guide rod (6) respectively and goes up also and can slide along guide rod (6), in lens barrel (1), be respectively equipped with zoom motor (7) and focusing motor (8), in zoom motor (7), the corresponding zoom screw rod (9) that is connected with on the output shaft of focusing motor (8), focusing screw rod (10), on second group of frame (3), be connected with zoom nut (11), on four group frame (5), be connected with focusing nut (12), zoom nut (11) is threaded on the zoom screw rod (9), and focusing nut (12) is threaded on the focusing screw rod (10).
2. a kind of optical zoom and optical adjustment structure of focusing automatically of realizing according to claim 1 is characterised in that to be provided with diaphragm (13) in described the 3rd group of frames (4).
3. a kind of optical zoom and optical adjustment structure of focusing automatically of realizing according to claim 1 is characterised in that described focusing motor (8), zoom motor (7) are step motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205452869U CN201845118U (en) | 2010-09-22 | 2010-09-22 | Optical regulation structure capable of optical zoom and auto focusing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205452869U CN201845118U (en) | 2010-09-22 | 2010-09-22 | Optical regulation structure capable of optical zoom and auto focusing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201845118U true CN201845118U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205452869U Expired - Lifetime CN201845118U (en) | 2010-09-22 | 2010-09-22 | Optical regulation structure capable of optical zoom and auto focusing |
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| Country | Link |
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| CN (1) | CN201845118U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928952A (en) * | 2012-10-20 | 2013-02-13 | 中山联合光电科技有限公司 | Mechanical device for high-definition mobile phone lens |
| CN103244629A (en) * | 2013-05-10 | 2013-08-14 | 中山联合光电科技有限公司 | Transmission nut high in transmission accuracy |
| CN103364918A (en) * | 2013-07-22 | 2013-10-23 | 中国科学院西安光学精密机械研究所 | Optical lens linear motion zoom optical system |
| CN104635314A (en) * | 2014-12-09 | 2015-05-20 | 中山联合光电科技有限公司 | Driving and auto-locking mechanism of lens |
| CN104635313A (en) * | 2013-11-06 | 2015-05-20 | 北京兆维电子(集团)有限责任公司 | Focusing lens and industrial camera provided with focusing lens |
| CN109188640A (en) * | 2018-10-17 | 2019-01-11 | 福建福光股份有限公司 | Integrated lens structure and its working method |
| CN109459833A (en) * | 2018-12-25 | 2019-03-12 | 中山联合光电科技股份有限公司 | A kind of Zoom lens structure suitable for high-rate lens |
| CN111316152A (en) * | 2017-11-30 | 2020-06-19 | 深圳市柔宇科技有限公司 | Head-mounted electronic equipment |
-
2010
- 2010-09-22 CN CN2010205452869U patent/CN201845118U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928952A (en) * | 2012-10-20 | 2013-02-13 | 中山联合光电科技有限公司 | Mechanical device for high-definition mobile phone lens |
| CN103244629A (en) * | 2013-05-10 | 2013-08-14 | 中山联合光电科技有限公司 | Transmission nut high in transmission accuracy |
| CN103244629B (en) * | 2013-05-10 | 2015-08-05 | 中山联合光电科技有限公司 | The transmission nut that a kind of transmission accuracy is high |
| CN103364918A (en) * | 2013-07-22 | 2013-10-23 | 中国科学院西安光学精密机械研究所 | Optical lens linear motion zoom optical system |
| CN103364918B (en) * | 2013-07-22 | 2015-07-29 | 中国科学院西安光学精密机械研究所 | A kind of optical lens linear motion zoom optical system |
| CN104635313A (en) * | 2013-11-06 | 2015-05-20 | 北京兆维电子(集团)有限责任公司 | Focusing lens and industrial camera provided with focusing lens |
| CN104635314A (en) * | 2014-12-09 | 2015-05-20 | 中山联合光电科技有限公司 | Driving and auto-locking mechanism of lens |
| CN111316152A (en) * | 2017-11-30 | 2020-06-19 | 深圳市柔宇科技有限公司 | Head-mounted electronic equipment |
| CN109188640A (en) * | 2018-10-17 | 2019-01-11 | 福建福光股份有限公司 | Integrated lens structure and its working method |
| CN109459833A (en) * | 2018-12-25 | 2019-03-12 | 中山联合光电科技股份有限公司 | A kind of Zoom lens structure suitable for high-rate lens |
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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: 528400 Zhongshan Torch Development Zone, Guangdong Road, No. 10 Patentee after: Zhong Shan joint opto-electronic Science and Technology Co., Ltd. Address before: 528400 Zhongshan Torch Development Zone, Guangdong Patentee before: Union Optech (Zhongshan) Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |
|
| CX01 | Expiry of patent term |