CN105573015A - Automatic focusing device capable of shaking prevention - Google Patents
Automatic focusing device capable of shaking prevention Download PDFInfo
- Publication number
- CN105573015A CN105573015A CN201610089550.4A CN201610089550A CN105573015A CN 105573015 A CN105573015 A CN 105573015A CN 201610089550 A CN201610089550 A CN 201610089550A CN 105573015 A CN105573015 A CN 105573015A
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- CN
- China
- Prior art keywords
- coil
- stabilization
- lens supports
- shell fragment
- focusing
- Prior art date
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses an automatic focusing device capable of shaking prevention. The automatic focusing device comprises a main body iron shell, a front elastic sheet, a lens support body, a rear elastic sheet and a base, wherein a focusing coil and a shaking prevention coil assembly are arranged on the outer surface of the lens support body, the shaking prevention coil assembly comprises four coils uniformly and annularly arranged along the outer surface of the lens support body, the coils arranged at two opposite corners are a first coil assembly, the coils arranged at the other opposite corners are a second coil assembly, six splicing pins are arranged on the rear elastic sheet, each two splicing pins are in a group, and electrodes of the focusing coil, the first coil assembly and the second coil assembly are respectively connected with a group of splicing pins and used for achieving input and control of an electric signal. The automatic focusing device has the advantages that the focusing coil and the shaking prevention coil assembly are connected by the three groups of splicing pins on the rear elastic sheet, and the electric signal crosstalk interference during the driving and adjustment process is prevented; the shaking prevention coil assembly is divided into the first coil assembly and the second coil assembly to respectively control, the accuracy of shaking prevention control is effectively improved, and the response speed of shaking prevention control is effectively increased.
Description
Technical field
The present invention relates to electromagnetic technology field voice coil motor product, particularly relate to a kind of lens driver of stabilization voice coil motor, for the camera of stabilization automatic focusing function, be applied particularly to mobile phone, camera, the equipment such as video camera or detecting sensor vision system, robotic vision system with camera function.
Background technology
Interaction in the voice coil motor magnetic field that to be a kind of utilization produce from magnetic field and the hot-wire coil conductor of permanent-magnet steel between magnetic pole produces the device of regular motion, is widely used in mobile phone camera.The realization driving camera lens to carry out forward focus function is all only related in old technology, because the sharpness of shooting technology requires higher, therefore, in the process of taking pictures, the readability impact that hand shaking is moved taking pictures is very large, in order to address this problem, exploitation stabilization automatic focusing mechanism can address this problem, avoid rock and cause take pictures unintelligible.
Existing domestic and international minisize pick-up head announce shift shaft type the lens driver disclosed in similar lens driver many employings China Patent Publication No. CN201210532074.0 disclosed in scheme, its structure and complexity thereof, multiple spring, focusing coil and stabilization coil is used to adopt assembling mode to fit together, cause assembling extremely complicated, be difficult to realize volume production; Electrode only has two or 4, auto-focusing and stabilization common electrode, cause drive electric signal in adjustment process gang up interference, cannot effectively be effective and stabilization auto-focusing effect cannot be realized.
Summary of the invention
The object of the invention is to provide a kind of stabilization automatic focusing mechanism rational in infrastructure.
For achieving the above object, the present invention implements according to following technical scheme: a kind of stabilization automatic focusing mechanism, comprise main body iron-clad, front shell fragment, lens supports body, rear shell fragment, base, described front shell fragment, lens supports body, rear shell fragment is assembled successively from top to bottom and is embedded in main body iron-clad, base is located at the bottom at main body iron-clad, the inner ring of described front shell fragment is connected with the upper end of lens supports body, the inner ring of rear shell fragment is connected with the bottom of lens supports body, the outer rim of rear shell fragment embeds with base and is connected, the outside surface of described lens supports body is provided with focusing coil and stabilization coil groups, described stabilization coil groups is made up of 4 coils, coil is uniform along lens supports external surface annular, wherein the coil of two diagonal angle distributions is the first coil groups, the coil of another two diagonal angles distribution is the second coil groups, described rear shell fragment is provided with 6 and spells pin, spell pin and be divided into three groups, every two is one group, described focusing coil, first coil groups, the electrode of the second coil groups is connected with a spelling pin on rear shell fragment respectively, be used for realizing input and the control of electric signal, be provided with in described main body iron-clad respectively with focusing coil, the focusing magnet that stabilization coil groups is corresponding and stabilization magnet.
Further, preferred as one, described focusing coil is positioned at the top of stabilization coil along optical axis direction.
Further, preferred as one, described focusing coil and stabilization coil groups be arranged on lens supports body outside surface and with lens supports body by integral forming.
Further, preferred as one, described focusing magnet and stabilization magnet are coaxially arranged up and down along optical axis direction, and the polarity that magnetizes of described focusing magnet and stabilization magnet is reverse each other.
Further, preferred as one, between described base and lens supports body, rotation preventing mechanism is set, described rotation preventing mechanism is that lens supports body is provided with projection, described base is provided with the groove corresponding with lens supports body projection, and lens supports body is by the groove of protruding inlay card on base.
Compared with prior art, beneficial effect of the present invention is: focusing coil is connected by three spelling pin on rear shell fragment respectively with stabilization coil groups, avoid drive electric signal in adjustment process gang up interference, stabilization coil groups, by being divided into the first coil groups and the second coil groups controls respectively, effectively raises accuracy and reaction velocity that stabilization controls.Simultaneously due to the optimization of its structure, packaging technology is more convenient and reasonable, is more suitable for the manufacture production a large amount of with product and quality control.
Accompanying drawing explanation
Fig. 1 is assembling explosive view of the present invention.
Fig. 2 is that assembling of the present invention is main depending on cuing open figure.
Fig. 3 is the distribution of electrodes figure of coil and stabilization coil groups that lens supports body of the present invention is focused.
Fig. 4 is the distribution of electrodes figure of coil and stabilization coil groups that 180 ° of relay lens supporters of the present invention are focused.
Fig. 5 is the spelling pin distribution schematic diagram on rear shell fragment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further described, is used for explaining the present invention in illustrative examples of this invention and explanation, but not as a limitation of the invention.
A kind of stabilization automatic focusing mechanism as shown in Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5, comprise main body iron-clad 1, front shell fragment 2, lens supports body 3, rear shell fragment 6, base 7, described front shell fragment 2, lens supports body 3, rear shell fragment 6 is assembled successively from top to bottom and is embedded in main body iron-clad 1, base 7 is located at the bottom at main body iron-clad 1, the inner ring of described front shell fragment 2 is connected with the upper end of lens supports body 3, the inner ring of rear shell fragment 6 is connected with the bottom of lens supports body 3, the outer rim of rear shell fragment 6 embeds with base 7 and is connected, the outside surface of described lens supports body 3 is provided with focusing coil 310 and stabilization coil groups 320, described stabilization coil groups 320 is made up of 4 coils, uniform along lens supports body 3 outside surface annular, wherein the coil of two diagonal angle distributions is the first coil groups 321, the coil of another two diagonal angles distribution is the second coil groups 322, described rear shell fragment 6 is provided with 6 and spells pin, be respectively 601, 602, 603, 604, 605, 606, wherein 601 and 602 is one group, 603 and 604 is one group, 605 and 606 is one group, wherein 601 and 602 and focusing coil 310 on electrode 311, 312 are connected, 603 are connected with electrode 321a with 321b in the first coil groups 321 with 604, 605 are connected with electrode 322a with 322b in the second coil groups 322 with 606, be used for realizing input and the control of electric signal,
Focusing magnet 4 corresponding with focusing coil 310, stabilization coil groups 320 respectively and stabilization magnet 5 is provided with in described main body iron-clad 1.Focusing coil 310 is positioned at the top of stabilization coil 320 along optical axis direction.
Further, preferred as one, focusing coil 310 and stabilization coil groups 320 are arranged on the outside surface of lens supports body 3 and one-body molded with lens supports body 3.
Further, preferred as one, described focusing magnet 4 and stabilization magnet 5 are coaxially arranged up and down along optical axis direction, and the polarity that magnetizes of described focusing magnet 4 and stabilization magnet 5 is reverse each other.
Further, preferred as one, between described base 7 and lens supports body 3, rotation preventing mechanism is set, described rotation preventing mechanism is that lens supports body 3 is provided with protruding 301, described base 7 is provided with the groove 701 corresponding with lens supports body 3 projection 301, and lens supports body 3 is by the groove 701 of protruding 301 inlay cards on base 7.
Technical scheme of the present invention is not limited to the restriction of above-mentioned specific embodiment, the technology distortion that every technical scheme according to the present invention is made, and all falls within protection scope of the present invention.
Claims (5)
1. a stabilization automatic focusing mechanism, comprise main body iron-clad, front shell fragment, lens supports body, rear shell fragment and base, it is characterized in that: described front shell fragment, lens supports body, rear shell fragment is assembled successively from top to bottom and is embedded in main body iron-clad, base is located at the bottom at main body iron-clad, the inner ring of described front shell fragment is connected with the upper end of lens supports body, the inner ring of rear shell fragment is connected with the bottom of lens supports body, the outer rim of rear shell fragment embeds with base and is connected, the outside surface of described lens supports body is provided with focusing coil and stabilization coil groups, described stabilization coil groups is made up of 4 coils, coil is uniform along lens supports external surface annular, wherein the coil of two diagonal angle distributions is the first coil groups, the coil of another two diagonal angles distribution is the second coil groups, described rear shell fragment is provided with 6 and spells pin, spell pin and be divided into three groups, every two is one group, described focusing coil, first coil groups, the electrode of the second coil groups is connected with a spelling pin on rear shell fragment respectively, be used for realizing input and the control of electric signal, be provided with in described main body iron-clad respectively with focusing coil, the focusing magnet that stabilization coil groups is corresponding and stabilization magnet.
2. stabilization automatic focusing mechanism according to claim 1, is characterized in that: described focusing coil is positioned at the top of stabilization coil along optical axis direction.
3. stabilization automatic focusing mechanism according to claim 1 and 2, is characterized in that: described focusing coil and stabilization coil groups be arranged on lens supports body outside surface and with lens supports body by integral forming.
4. stabilization automatic focusing mechanism according to claim 1, is characterized in that: described focusing magnet and stabilization magnet are coaxially arranged up and down along optical axis direction, and the polarity that magnetizes of described focusing magnet and stabilization magnet is reverse each other.
5. stabilization automatic focusing mechanism according to claim 1, it is characterized in that: between described base and lens supports body, rotation preventing mechanism is set, described rotation preventing mechanism is that lens supports body is provided with projection, described base is provided with the groove corresponding with lens supports body projection, and lens supports body is by the groove of protruding inlay card on base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089550.4A CN105573015B (en) | 2016-02-18 | 2016-02-18 | A kind of stabilization automatic focusing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089550.4A CN105573015B (en) | 2016-02-18 | 2016-02-18 | A kind of stabilization automatic focusing mechanism |
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| Publication Number | Publication Date |
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| CN105573015A true CN105573015A (en) | 2016-05-11 |
| CN105573015B CN105573015B (en) | 2018-05-08 |
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| CN201610089550.4A Active CN105573015B (en) | 2016-02-18 | 2016-02-18 | A kind of stabilization automatic focusing mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807539A (en) * | 2016-05-12 | 2016-07-27 | 河南省皓泽电子有限公司 | Dual-drive two-pole automatic focusing device |
| CN109960003A (en) * | 2017-12-25 | 2019-07-02 | 惠州大亚湾三美达光学技术有限公司 | A kind of lens driver |
| CN110543061A (en) * | 2019-09-02 | 2019-12-06 | 安庆市东勤电子科技有限公司 | Anti-shake lens driving device |
| WO2020082412A1 (en) * | 2018-10-25 | 2020-04-30 | 信利光电股份有限公司 | Single axis anti-shake axis shifting anti-shake focusing module and periscopic anti-shake module |
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| CN103869443A (en) * | 2012-12-11 | 2014-06-18 | 思考电机（上海）有限公司 | Lens driving device, auto-focus camera and portable terminal device |
| CN104460180A (en) * | 2014-12-19 | 2015-03-25 | 深圳市世尊科技有限公司 | Open-loop voice coil motor achieving optical anti-vibration in horizontal moving mode |
| WO2015147385A1 (en) * | 2014-03-25 | 2015-10-01 | 넥스타테크놀로지 주식회사 | Camera module having autofocus and optical image stabilization functions |
| JP2015215546A (en) * | 2014-05-13 | 2015-12-03 | 厦▲門▼新▲鴻▼洲精密科技有限公司Ｘｉｎｈｏｎｇｚｈｏｕ Ｐｒｅｃｉｓｉｏｎ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ，．Ｌｔｄ | Lens drive |
| CN105182655A (en) * | 2015-08-13 | 2015-12-23 | 爱佩仪光电技术（深圳）有限公司 | Anti-magnetic-interference translational type optical anti-jittering voice coil motor and assembling method thereof |
| CN205507323U (en) * | 2016-02-18 | 2016-08-24 | 河南省皓泽电子有限公司 | Anti -shake moves auto focus device |
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2016
- 2016-02-18 CN CN201610089550.4A patent/CN105573015B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103869443A (en) * | 2012-12-11 | 2014-06-18 | 思考电机（上海）有限公司 | Lens driving device, auto-focus camera and portable terminal device |
| WO2015147385A1 (en) * | 2014-03-25 | 2015-10-01 | 넥스타테크놀로지 주식회사 | Camera module having autofocus and optical image stabilization functions |
| JP2015215546A (en) * | 2014-05-13 | 2015-12-03 | 厦▲門▼新▲鴻▼洲精密科技有限公司Ｘｉｎｈｏｎｇｚｈｏｕ Ｐｒｅｃｉｓｉｏｎ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ，．Ｌｔｄ | Lens drive |
| CN104460180A (en) * | 2014-12-19 | 2015-03-25 | 深圳市世尊科技有限公司 | Open-loop voice coil motor achieving optical anti-vibration in horizontal moving mode |
| CN105182655A (en) * | 2015-08-13 | 2015-12-23 | 爱佩仪光电技术（深圳）有限公司 | Anti-magnetic-interference translational type optical anti-jittering voice coil motor and assembling method thereof |
| CN205507323U (en) * | 2016-02-18 | 2016-08-24 | 河南省皓泽电子有限公司 | Anti -shake moves auto focus device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807539A (en) * | 2016-05-12 | 2016-07-27 | 河南省皓泽电子有限公司 | Dual-drive two-pole automatic focusing device |
| CN109960003A (en) * | 2017-12-25 | 2019-07-02 | 惠州大亚湾三美达光学技术有限公司 | A kind of lens driver |
| WO2020082412A1 (en) * | 2018-10-25 | 2020-04-30 | 信利光电股份有限公司 | Single axis anti-shake axis shifting anti-shake focusing module and periscopic anti-shake module |
| CN110543061A (en) * | 2019-09-02 | 2019-12-06 | 安庆市东勤电子科技有限公司 | Anti-shake lens driving device |
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| CN105573015B (en) | 2018-05-08 |
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Address after: 454763 Henan city of Jiaozuo province Mengzhou City West Guo compound High-tech Zone in Henan Province, Hao Ze Electronics Co. Ltd. Patentee after: Henan haoze Electronic Co., Ltd Address before: 454763 Henan city of Jiaozuo province Mengzhou City West Guo compound High-tech Zone in Henan Province, Hao Ze Electronics Co. Ltd. Patentee before: HENAN HAOZE ELECTRONICS CO., LTD. |
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