CN101324692A - Optical zoom lens control device - Google Patents
Optical zoom lens control device Download PDFInfo
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- CN101324692A CN101324692A CNA2007100938604A CN200710093860A CN101324692A CN 101324692 A CN101324692 A CN 101324692A CN A2007100938604 A CNA2007100938604 A CN A2007100938604A CN 200710093860 A CN200710093860 A CN 200710093860A CN 101324692 A CN101324692 A CN 101324692A
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Abstract
The invention discloses a control device of an optical zoom lens. The control device comprises two groups, two stepping motors, two guide poles, two photoelectric sensor switches, an upper cover, a base and an image sensor; wherein, the two groups, the two stepping motors and the two guide poles are all arranged in a box body which is composed of the upper cover and the base; the two stepping motors are respectively fixedly connected with the upper cover and the base; the two photoelectric sensor switches are respectively arranged on the upper cover and the base; the two groups are movably connected between the two guide poles, the two guide poles are fixed on the side walls at the both ends of the base; grooves are respectively arranged on the groups; movable focusing nuts are arranged on the stepping motors, and convex blocks on the focusing nuts are matched with the grooves on the groups; and the image sensor is arranged at one end of the base. Through controlling the movement of the lens group by the stepping motors, the control device can realize the optical continuous zoom, and provide the high-quality shooting effect and the wide-range shooting ability. The control device is applicable to mobile phones and other mobile wireless devices.
Description
Technical field
The present invention relates to a kind of zoom lens control device, be specifically related to a kind of optical zoom lens control device.
Background technology
Along with Development of Multimedia Technology, people more and more dote on digital camera, and mobile phone is also developing rapidly towards the multimedia direction in recent years, and the combination of digital camera and mobile phone has become the key of development mobile multimedia technology.Generally speaking, the zoom mode of digital camera has two kinds, i.e. optical zoom and Digital Zoom.Optical zoom is to change focal length to reach the purpose of zoom by the distance that changes between the optical mirror slip, closely distant objects can be furthered to compare clearly and take quality of image height.Digital camera in the market all possesses the optical lens with optical zoom function of 2 times～12 times even higher multiple basically.Digital Zoom is that the image that sensor is intercepted improves the quality of image by interpolation (interpolation) algorithm, but image quality is still relatively poor.Present most of mobile phone all possesses camera function, but the use of most of mobile phone all is tight shot.Tight shot can't optical zoom, can only Digital Zoom, and tight shot only the scenery in taking certain limit reasonable effect (generally being the closer scenery of distance) is just arranged.The coverage and the shooting effect of mobile phone are not very desirable at present for above-mentioned reasons.The part mobile phone has used the camera lens of (Auto Focus) function that possesses AF, can focus automatically, makes shooting effect that lifting to a certain degree arranged, but because can't optical zoom, still can't obtain satisfied effect for the shooting of distant place scenery.Here zoom is meant and changes focal length so that take the scenery of different distance, and focusing is meant adjusts to the best with image, and also can be understood as zoom is coarse adjustment, and focusing is fine setting.Zoom lens can both be realized focusing in general.Want clearly to photograph scenery at a distance, must use camera lens with optical zoom function.
The zoom lens volume of the carried out optical zoom that present digital camera is used is big, mechanism is complicated, cost is higher, is difficult to be applied on the mobile phone.In view of this provide a volume less, mechanism is simple, and control is simple, and the zoom mechanism that is applicable to mobile phone with low cost is necessary very much.
A kind of existing varifocal structure that is applicable to mobile phone, it realizes zoom by the cooperation that changes between the eyeglass.China utility model patent instructions CN03268098.8Y (August 25 2004 day for announcing) discloses a kind of varifocal digital camera, please refer to Fig. 1 and Fig. 2, and it mainly comprises numerical camera mould 2 and zoom mechanism 3.The fixing end 36 that zoom mechanism 3 comprises lens barrel 30, be embedded in a plurality of eyeglasses 34 of lens barrel 30 sides, be fixed in the rotating mechanism 32 of lens barrel 30 1 ends and extend out from lens barrel 30 other ends and rotating mechanism 32 ends respectively, one section back side 10 of protruding mobile phone body 1 of rotating mechanism 32, its front are provided with display screen (figure does not show).Its principle of work is: rotate rotating mechanism 32 by anti-slip tank 320 and can make that lens barrel 30 serves as axle rotation in mobile phone body 1 with fixing end 36, when lens barrel 30 rotates to certain position, eyeglass 34 is overlapping with camera lens 22, eyeglass 34 and camera lens 22 form an eyeglass combination, can take the scenery in the certain limit.When lens barrel 30 rotated to the another location, eyeglass 34 and camera lens 22 formed another combination again, can take the scenery in another scope.So rotation lens barrel 30 can obtain different combination of lensess, and then realizes zoom.This Focusing mechanism is zoom manually, also can't focus, and can not realize full automatic zoom focusing.And this Focusing mechanism has only the few several combination of lenses of quantity, and the zoom that it is realized only provides the different combination of lenses of several focal lengths, can not realize continuous vari-focus.
China utility model patent instructions CN200620116279.0Y (May 16 2007 day for announcing) discloses a kind of microminiature Zoom optic lens device, this device comprises at least one mirror group, this device is by drive coil is imposed electric current, make between the coil of energising and the permanet magnet and produce interaction force, impel the mirror group to be pushed to carry out linear movement to produce displacement along the guide bar rail.The apparatus structure complexity that this control mirror group moves, cost is higher, and control is complicated, and reliability is low.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of optical zoom lens control device, and it can control moving of lens set by step motor, thereby realizes the optics continuous vari-focus, thereby high-quality shooting effect and large-scale shooting ability can be provided.Because the present invention is simple in structure, cost is lower, volume is less, therefore be applicable to mobile phone and other mobile wireless device.
For solving the problems of the technologies described above, the technical solution of optical zoom lens control device of the present invention is:
Comprise two groups, two guide rods, and two step motor, two photoelectric sensor switch, loam cake, base and image inductors;
Wherein, two groups, two step motor, two guide rods all place in the casing of loam cake and base composition;
Two step motor are fixedlyed connected with base with loam cake respectively;
Two photoelectric sensor switch are arranged at respectively on loam cake and the base;
Two groups are movably connected between two guide rods, and two guide rods are fixed on the sidewall at base two ends; Be respectively equipped with groove in the group;
Step motor is provided with the nut of movably focusing, and the projection on the focusing nut matches with the groove in the group; Two step motor are connected with two groups respectively;
Image inductor is arranged on the base.
Further, described base one end is provided with the prism device.
The present invention moves by step motor control lens set, thereby reaches the purpose of optics continuous vari-focus, thereby high-quality shooting effect and large-scale shooting ability can be provided.Volume of the present invention is less, and is simple in structure, and control is convenient, and cost is lower, therefore applicable to mobile phone and other mobile wireless device.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the essential structure exploded view of the zoom mechanism of prior art;
Fig. 2 is the stereographic map of prior art;
Fig. 3 is the synoptic diagram of optical zoom lens control device of the present invention;
Fig. 4 is an essential structure exploded view of the present invention;
Fig. 5 is an assembling synoptic diagram of the present invention;
Fig. 6 is that the specific embodiment of the invention has the prism schematic representation of apparatus.
Among the figure, 51 photoelectric sensor switch, two, 52 loam cakes, two, 54 metal guide rods, one, 55 group one of 53 groups, 56 photoelectric sensor switch, one, 57 step motor, one, 58 focusing nut one, 59 bases, 510 metal guide rods, two, 511 focusing nuts, two, 512 image inductors, 513 step motor, two, 514 prism devices.
Embodiment
As shown in Figure 3, Figure 4, optical zoom lens control device, comprise the optical system of being made up of group 1 and group 2 53, group 1 and group 2 53 are movably connected between two metal guide rods that are parallel to each other 54,510, are parallel to each other between group 1 and the group 2 53.Be respectively equipped with groove in group 1 and the group 2 53, cooperating between the projection of the groove by group and focusing nut, group 1 is connected with step motor 1, group 2 53 is connected with step motor 2 513, and focusing nut 1 and focusing nut 2 511 move before and after can be respectively on step motor 1 and step motor 2 513.By the focusing nut on mobile step motor 1 and the step motor 2 513, thereby drive group 1 and group 2 53 freely move forward and backward along metal guide rod 1 and metal guide rod 2 510.Metal guide rod 1 and metal guide rod 2 510 are fixed on the sidewall at base 59 two ends.Step motor 1 is fixedlyed connected with loam cake 52 by some screws at top, and step motor 2 513 is fixedlyed connected with base 59 by some screws of bottom, and loam cake 52 is provided with photoelectric sensor switch 1, and base 59 is provided with photoelectric sensor switch 2 51.Photoelectric sensor switch 1 is used to respond to the position of group 1, and photoelectric sensor switch 2 51 is used to respond to the position of group 2 53, as Fig. 5.Group 1, group 2 53, metal guide rod 1, metal guide rod 2 510, step motor 1, step motor 2 513 all place in the casing of loam cake 52 and base 59 compositions, as shown in Figure 3.The image inductor 512 that is arranged at base one end is used to receive the light signal from group 1 and group 2 53.
Principle of work of the present invention is: drive step motor 1 and step motor 2 513, the focusing nut of step motor is moved, thereby driving group 1 and group 2 53 respectively moves on metal guide rod 1 and metal guide rod 2 510, seek separately photoelectric sensor switch 1 and photoelectric sensor switch 2 51, closely find zero point separately.This makes whole zoom lens control device be in a holding state.Also just different apart from different focal between the group, focal length of the present invention has unlimited on the theory, can realize stepless zooming.For a specific focal length, the distance between the group is fixed.Distance between the group can be converted into the step number that step motor is walked by calculating, therefore can rotate that corresponding step number drives group 1 and group 2 53 moves to corresponding position on metal guide rod 1 and metal guide rod 2 510 by control step motor 1 and step motor 2 513, thereby finish zoom.When taking the scenery of different distance, by control step motor 1 and step motor 2 513, group 1 and group 2 53 are moved, adjust to different focal lengths, thereby and then control step motor 1 or step motor 2 513 drive groups' focusing and obtain best picture.The present invention controls conveniently, can finish zoom as long as control step motor 1 and step motor 2 513 drive groups 1 and group 2 53 move to the relevant position.
The present invention possesses higher shooting effect and bigger coverage, is applicable to mobile phone, but is not limited only to mobile phone, everyly needs high-quality local the present invention of shooting effect on a large scale all applicable.In order to enlarge the scope of application of the present invention, also can on basis of the present invention, do further improvement simultaneously.As shown in Figure 6, install an end at this prism device 514 is set, from then on light held and entered camera lens, and through this prism device 514, prism device 514 can change optical path direction, and the scope of application of the present invention is further enlarged.
Claims (7)
1, a kind of optical zoom lens control device comprises two groups, two guide rods, it is characterized in that:
Also comprise two step motor, two photoelectric sensor switch, loam cake, base and image inductors;
Wherein, two groups, two step motor, two guide rods all place in the casing of loam cake and base composition;
Two step motor are fixedlyed connected with base with loam cake respectively;
Two photoelectric sensor switch are arranged at respectively on loam cake and the base;
Two groups are movably connected between two guide rods, and two guide rods are fixed on the sidewall at base two ends; Be respectively equipped with groove in the group;
Step motor is provided with the nut of movably focusing, and the projection on the focusing nut matches with the groove in the group; Two step motor are connected with two groups respectively;
Image inductor is arranged on the base.
2, optical zoom lens control device as claimed in claim 1 is characterized in that: described base one end is provided with the prism device.
3, optical zoom lens control device as claimed in claim 1 or 2 is characterized in that: described two guide rods are parallel to each other,
4, optical zoom lens control device as claimed in claim 1 or 2 is characterized in that: parallel each other between described two groups.
5, optical zoom lens control device as claimed in claim 3 is characterized in that: parallel each other between described two groups.
6, optical zoom lens control device as claimed in claim 1 or 2 is characterized in that: described guide rod is a metal guide rod.
7, optical zoom lens control device as claimed in claim 1 or 2 is characterized in that: described two step motor are fixedlyed connected with base with loam cake by some screws respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100938604A CN101324692A (en) | 2007-06-12 | 2007-06-12 | Optical zoom lens control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100938604A CN101324692A (en) | 2007-06-12 | 2007-06-12 | Optical zoom lens control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101324692A true CN101324692A (en) | 2008-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100938604A Pending CN101324692A (en) | 2007-06-12 | 2007-06-12 | Optical zoom lens control device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654722A (en) * | 2011-03-03 | 2012-09-05 | 扬明光学股份有限公司 | Projection device and lens module |
| CN104133288A (en) * | 2014-07-11 | 2014-11-05 | 广州博隆兴中信息科技有限公司 | Continuous zooming and automatic focusing microscopic imaging device and method for living tissues |
| 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 |
| KR20190091911A (en) * | 2018-01-30 | 2019-08-07 | 엘지이노텍 주식회사 | Camera module |
| CN110673433A (en) * | 2019-09-24 | 2020-01-10 | 深圳市火乐科技发展有限公司 | Automatic focusing method and device |
| CN113467036A (en) * | 2020-03-13 | 2021-10-01 | 华为技术有限公司 | Zoom lens, camera module, electronic equipment and focusing method thereof |
| CN114252970A (en) * | 2021-12-15 | 2022-03-29 | 上海比路电子股份有限公司 | Optical zoom motor, image pickup device and mobile terminal |
| CN115407475A (en) * | 2021-05-11 | 2022-11-29 | 华为技术有限公司 | Optical lens, camera module and electronic equipment |
-
2007
- 2007-06-12 CN CNA2007100938604A patent/CN101324692A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654722A (en) * | 2011-03-03 | 2012-09-05 | 扬明光学股份有限公司 | Projection device and lens module |
| CN102654722B (en) * | 2011-03-03 | 2014-10-29 | 扬明光学股份有限公司 | Projection device and lens module |
| CN104133288A (en) * | 2014-07-11 | 2014-11-05 | 广州博隆兴中信息科技有限公司 | Continuous zooming and automatic focusing microscopic imaging device and method for living tissues |
| CN104133288B (en) * | 2014-07-11 | 2017-07-28 | 广州博隆兴中信息科技有限公司 | A kind of continuous zoom auto-focusing microscopic imaging device and method towards biological tissue |
| EP3748429A4 (en) * | 2018-01-30 | 2021-11-03 | LG Innotek Co., Ltd. | Camera module |
| KR20190091911A (en) * | 2018-01-30 | 2019-08-07 | 엘지이노텍 주식회사 | Camera module |
| CN111684353A (en) * | 2018-01-30 | 2020-09-18 | Lg伊诺特有限公司 | Camera module |
| CN111684353B (en) * | 2018-01-30 | 2022-09-20 | Lg伊诺特有限公司 | Camera module |
| KR102527790B1 (en) * | 2018-01-30 | 2023-04-28 | 엘지이노텍 주식회사 | Camera module |
| 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 |
| CN110673433A (en) * | 2019-09-24 | 2020-01-10 | 深圳市火乐科技发展有限公司 | Automatic focusing method and device |
| CN113467036A (en) * | 2020-03-13 | 2021-10-01 | 华为技术有限公司 | Zoom lens, camera module, electronic equipment and focusing method thereof |
| CN115407475A (en) * | 2021-05-11 | 2022-11-29 | 华为技术有限公司 | Optical lens, camera module and electronic equipment |
| CN114252970A (en) * | 2021-12-15 | 2022-03-29 | 上海比路电子股份有限公司 | Optical zoom motor, image pickup device and mobile terminal |
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Open date: 20081217 |