CN105511048A - Optical anti-shake driver - Google Patents
Optical anti-shake driver Download PDFInfo
- Publication number
- CN105511048A CN105511048A CN201511006347.8A CN201511006347A CN105511048A CN 105511048 A CN105511048 A CN 105511048A CN 201511006347 A CN201511006347 A CN 201511006347A CN 105511048 A CN105511048 A CN 105511048A
- Authority
- CN
- China
- Prior art keywords
- coil
- lens carrier
- support
- wiring board
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
The invention discloses an optical anti-shake driver which comprises a base and a magnet yoke iron housing that matches the base. The optical anti-shake driver is characterized in that the magnet yoke iron housing is internally provided with a bracket and a lens carrier that matches the bracket; a coil is arranged outside the lens carrier; a magnet is arranged outside the coil; an upper spring is arranged between the bracket and the magnet yoke iron housing; a lower spring, a metal gasket, a bottom coil and a circuit board are successively arranged on the bottom of the lens carrier; the upper end of the circuit board is connected with a bottom coil, and the lower end is provided with a Hall element; the bracket, the lower spring, the metal gasket, the bottom coil and the circuit board are provided with corresponding threaded holes; and metal screws successively penetrate through the threaded holes of the lower spring, the metal gasket, the bottom coil and the circuit board and are connected with the bracket and the base at two ends of the metal screw. Therefore the optical anti-shake driver has advantages of realizing high anti-shake performance, improving motor stability and improving reaction speed in focusing.
Description
Technical field
The present invention relates to lens driver, be specifically related to a kind of mobile phone being applied to camera, video camera or there is camera function and step on equipment to drive lens moving thus the OIS optical anti-vibration driver of focusing.
Background technology
The full name of OIS is OpticalImageStabilization, is exactly stable optical image from literal understanding.Corrected " light shaft offset " by the floating lens of camera lens, its principle detects small movement by the gyroscope in camera lens, then signal is reached microprocessor, processor calculates the displacement needing to compensate immediately, then by compensating lens set, compensated according to the jitter direction of camera lens and displacement; Thus effectively overcome the image fog that the vibration because of camera produces.Along with the functional diversities of digital product, be equipped with the digital equipment of video camera or camera, as mobile phone, multimedia player etc., obtain high speed development and widespread use.Above-mentioned video camera or camera, can adopt the camera lens of focus adjustable or auto-focusing usually, and the process regulated is then the position changing camera lens, normally uses CD-ROM drive motor for driving lens moving.
Its drive unit of focusing of traditional camera generally includes stepper motor, gear, the component such as cam and connecting rod forms, a kind of lens construction with stable automatic focusing function disclosed in Chinese patent literature CN2938165Y, comprise housing, motor, first gear, second gear, camera lens module and elastic parts, described motor is arranged in this housing, described first gear to be arranged in this housing and to be fixed on the axle center of this motor, described second gear to be arranged in this housing and vertically to mesh together with this first gear, the upper surface of described second gear has a helical ramp, described camera lens module is arranged in this housing, and camera lens module has a projection contacted with the helical ramp of the second gear.Wherein relate to numerous parts such as motor, two gears, housing, screw inclined plane, projection, camera lens modules, make the size of camera comparatively large, driven loads, be therefore difficult to the trend adapting to miniaturization.
In order to adapt to the requirement of camera miniaturization, adopt a kind of drive unit utilizing magnetic field to produce power more and more.Be in the scheme disclosed in a kind of lens driver of ZL200410017724.3 at Chinese invention patent number, comprise one and be arranged on tubular magnet yoke ring on base, be mounted with magnetite and coil in this magnet yoke ring, this coil inner circumferential side is provided with the lens of band lens supports body, it is inner that described magnetite and coil are placed in this magnet yoke ring, this coil is fixed on the periphery of lens supports body of this magnet yoke ring inner circumferential side, this lens supports body stretches in described tubular magnet yoke ring and also can move in this magnet yoke ring, described lens driver also comprises front side reed and the rear side reed of annular, their outer circumferential side end is fixedly connected with the front side of described magnet yoke ring, also has a small cap, described front side reed inner peripheral side end portion is fixed on on front side of described lens supports body by this small cap, also has a framework, this framework by described front side reed outer circumferential side end winding support on the front side of described magnet yoke ring.
Said lens drive unit utilizes the electromagnetic induction effect of magnetite, make the lens supports body be placed in the middle of magnet yoke ring be subject to parallel electromagnetic force and produce displacement, the front side reed and the rear side reed that are placed in lens supports body produce reacting force simultaneously, when the electromagnetic force acted on lens supports body and reed elastic force reach balance, this lens supports body remains on certain position; Namely the electromagnetic force produced after described coil electricity resists the acting force in described front side reed and rear side reed mutually, orders about described lens supports body and moves to optical axis direction.
Although said lens drive unit can be moved by both sides reed restriction lens supports body before and after it, make it that there is resistance to jolting and impact property, but because magnetite and coil are all an entirety, the thrust causing conductive coil to produce in magnetic field due to the otherness of magnetite and coil itself is uneven, therefore can cause shake, affect image quality.
Summary of the invention
The object of this invention is to provide the optical anti-vibration driver that a kind of anti-shudder performance is good.
To achieve these goals, technical scheme of the present invention is: a kind of optical anti-vibration driver, comprise base, the yoke iron-clad arranged with base engagement, it is characterized in that being provided with support in described yoke iron-clad, and the lens carrier to match with described support, coil is arranged with outside lens carrier, the arranged outside of described coil has magnetite, between described support and yoke iron-clad, spring is set, lower spring is set gradually bottom described lens carrier, metallic gasket, bottom coil, wiring board, the upper end of described wiring board is connected with bottom coil, lower end arranges Hall element, described lower spring, metallic gasket, bottom coil, wiring board is provided with and corresponding revolves a hole, metal revolves silk successively through above-mentioned lower spring, metallic gasket, bottom coil, the revolving a hole and be positioned at metal and revolve the support at a two ends and base is connected of wiring board.
According to a preferred embodiment of the invention, described support is quadra structure, four angles of described quadra structure are respectively arranged with a cylindrical protrusions, the inner side of each cylindrical protrusions sets up two circular reference columns separately, described upper spring is square structure, four angles place of described upper spring is provided with the circular port matched with the cylindrical protrusions of support, and the circular locating openings to match with the circular reference column of support, the central authorities of described support are provided with the lens opening matched with lens carrier, described lens carrier is positioned at this lens opening, coil is arranged with outside lens carrier, described coil comprises four main limits of the structure that is square, article two, be connected by a hypotenuse between adjacent main limit, described support is provided with four magnetites arranged that to match with four of described coil main limits, described lens carrier inside is provided with a circular hole, described lower spring, metallic gasket, bottom coil, the inside of wiring board and base is provided with the circular hole that lens carrier matches, described lens carrier is connected with the inside of lower spring, lower spring, metallic gasket, bottom coil, with four corners of wiring board be provided with one revolve a hole, revolve silk by metal to be connected with support.
The present invention is by being arranged on four magnetites and the fitting coils on coil four limit, lens carrier can be realized move in the vertical direction, then realize lens carrier move along XY axle in the horizontal plane by coordinating of bottom coil and magnetite, and the distance with magnetite can be detected by Hall element, so that according to the electric current of actual motion situation difference regulating winding, make motor action steady, eliminate shake.And because the setting of lower spring and upper spring makes it be cushioned when mobile, increase stability during motor operation, described above-mentioned support, lower spring, metallic gasket, bottom coil, wiring board connect by revolving silk, improve the reaction velocity of focusing while increasing motor stability.Therefore advantage of the present invention is that anti-shudder performance is good, improves the reaction velocity of focusing while improving motor stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 be Fig. 1 explosion figure.
Fig. 3 is support and upper spring connection diagram.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention is elaborated.
Figure comprises yoke iron-clad 1, upper spring 2, support 3, lens carrier 4, coil 5, magnetite 6, lower spring 7, metallic gasket 8, bottom coil 9, wiring board 10, Hall element 11, metal revolves silk 12, base 13, cylindrical protrusions 14, circular reference column 15, circular port 16, circular locating openings 17, lens opening 18.
As shown in the figure, a kind of optical anti-vibration driver, comprise base 13, the yoke iron-clad 1 arranged with base engagement, it is characterized in that being provided with support 3 in described yoke iron-clad, and the lens carrier 4 to match with described support 3, coil 5 is arranged with outside lens carrier 4, the arranged outside of described coil 5 has magnetite 6, between described support 3 and yoke iron-clad 1, spring 2 is set, lower spring 7 is set gradually bottom described lens carrier 4, metallic gasket 8, bottom coil 9, wiring board 10, wiring board 10 is arranged on base 13, the upper end of described wiring board 10 is connected with bottom coil 9, lower end arranges Hall element 11, described lower spring, metallic gasket, bottom coil and wiring board are provided with and corresponding revolve a hole, metal revolves silk 12 successively through above-mentioned lower spring 7, metallic gasket 8, bottom coil 9, the revolving a hole and be positioned at metal and revolve the support 3 at silk 12 two ends and base 13 is connected of wiring board 10.
According to a preferred embodiment of the invention, described support 3 is quadra structure, four angles of described quadra structure are respectively arranged with a cylindrical protrusions 14, the inner side of each cylindrical protrusions 14 sets up two circular reference columns 15 separately, described upper spring is square structure, four angles place of described upper spring is provided with the circular port 16 matched with the cylindrical protrusions 14 of support, and the circular locating openings 17 matched with the circular reference column 16 of support.During installation, after described circular reference column 15 penetrates circular locating openings 17, rivet hot welding technology can be utilized to rivet, convenient installation.
The central authorities of described support are provided with the lens opening 18 matched with lens carrier, described lens carrier 4 is positioned at this lens opening 18, coil 5 is arranged with outside lens carrier 4, described coil 5 comprises four main limits of the structure that is square, article two, be connected by a hypotenuse between adjacent main limit, described support is provided with four magnetites 6 arranged that to match with four of described coil main limits, described lens carrier 4 inside is provided with a circular hole, described lower spring 7, metallic gasket 8, bottom coil 9, the inside of wiring board 10 and base 13 is provided with the circular hole that lens carrier 4 matches, described lens carrier 4 is connected with the inside of lower spring 7, lower spring, metallic gasket, bottom coil, four corners of wiring board and base are provided with one and revolve a hole, revolve silk 11 by metal to be connected with support 3.Described bottom coil 9 is FP coil.
Coil 5 is arranged with outside lens carrier 4, four magnetites 6 be equipped with outside coil 5, electric current is passed into coil 5 by external like this control module, make its generation power in the magnetic field that magnetite produces, promote camera lens carrier lower mobile in the vertical direction, below lens carrier, be provided with bottom coil 9 simultaneously, this bottom coil 9 passes into circuit, the magnetic field produced with magnetite produces to be tried hard to recommend index glass head carrier and moves in the horizontal plane, two orthogonal Hall elements are set bottom wiring board simultaneously, detect the distance of X-direction and Y-direction between magnetite respectively, to regulate the electric current of bottom coil respectively according to actual motion situation, make motor action steady.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that the present invention specifically implements to be confined to these explanations above-mentioned.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. an optical anti-vibration driver, comprise base, the yoke iron-clad arranged with base engagement, it is characterized in that being provided with support in described yoke iron-clad, and the lens carrier to match with described support, coil is arranged with outside lens carrier, the arranged outside of described coil has magnetite, between described support and yoke iron-clad, spring is set, lower spring is set gradually bottom described lens carrier, metallic gasket, bottom coil, wiring board, the upper end of described wiring board is connected with bottom coil, lower end arranges Hall element, described lower spring, metallic gasket, bottom coil, wiring board is provided with and corresponding revolves a hole, metal revolves silk successively through above-mentioned lower spring, metallic gasket, bottom coil, the revolving a hole and be positioned at metal and revolve the support at a two ends and base is connected of wiring board.
2. by optical anti-vibration driver according to claim 1, it is characterized in that: described support is quadra structure, four angles of described quadra structure are respectively arranged with a cylindrical protrusions, the inner side of each cylindrical protrusions sets up two circular reference columns separately, described upper spring is square structure, four angles place of described upper spring is provided with the circular port matched with the cylindrical protrusions of support, and the circular locating openings matched with the circular reference column of support.
3. by optical anti-vibration driver according to claim 2, it is characterized in that the central authorities of described support are provided with the lens opening matched with lens carrier, described lens carrier is positioned at this lens opening, coil is arranged with outside lens carrier, described coil comprises four main limits of the structure that is square, article two, be connected by a hypotenuse between adjacent main limit, described support is provided with four magnetites arranged that to match with four of described coil main limits, described lens carrier inside is provided with a circular hole, described lower spring, metallic gasket, bottom coil, the inside of wiring board and base is provided with the circular hole that lens carrier matches, described lens carrier is connected with the inside of lower spring, lower spring, metallic gasket, bottom coil, four corners of wiring board and base are provided with one and revolve a hole, revolve silk by metal to be connected with support.
4., by optical anti-vibration driver according to claim 3, it is characterized in that: two orthogonal Hall elements are set bottom wiring board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006347.8A CN105511048A (en) | 2015-12-29 | 2015-12-29 | Optical anti-shake driver |
| PCT/CN2016/079391 WO2017113548A1 (en) | 2015-12-29 | 2016-04-15 | Optically stabilized driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006347.8A CN105511048A (en) | 2015-12-29 | 2015-12-29 | Optical anti-shake driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105511048A true CN105511048A (en) | 2016-04-20 |
Family
ID=55719151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511006347.8A Pending CN105511048A (en) | 2015-12-29 | 2015-12-29 | Optical anti-shake driver |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105511048A (en) |
| WO (1) | WO2017113548A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773105A (en) * | 2016-11-22 | 2017-05-31 | 上海比路电子股份有限公司 | A kind of parallel-moving type optical anti-vibration lens driver |
| CN107329350A (en) * | 2017-08-23 | 2017-11-07 | 上海比路电子股份有限公司 | A kind of camera gun drive device |
| CN108710189A (en) * | 2018-07-04 | 2018-10-26 | 上海比路电子股份有限公司 | Lens drive motor, camera and mobile terminal apparatus |
| CN110998430A (en) * | 2017-08-10 | 2020-04-10 | 索尼公司 | Camera shake correction device |
| CN111935386A (en) * | 2020-09-11 | 2020-11-13 | 重庆市天实精工科技有限公司 | Camera module, camera anti-shake system and method and mobile terminal |
| CN114326010A (en) * | 2018-08-07 | 2022-04-12 | 大阳科技股份有限公司 | Camera module and electronic device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109618104B (en) * | 2019-01-25 | 2024-03-22 | 长汀县比路电子有限公司 | Anti-shake structure, anti-shake system, and image pickup apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773105A (en) * | 2016-11-22 | 2017-05-31 | 上海比路电子股份有限公司 | A kind of parallel-moving type optical anti-vibration lens driver |
| CN110998430A (en) * | 2017-08-10 | 2020-04-10 | 索尼公司 | Camera shake correction device |
| US11212445B2 (en) | 2017-08-10 | 2021-12-28 | Sony Corporation | Camera shake correction device |
| CN107329350A (en) * | 2017-08-23 | 2017-11-07 | 上海比路电子股份有限公司 | A kind of camera gun drive device |
| CN107329350B (en) * | 2017-08-23 | 2023-10-20 | 上海比路电子股份有限公司 | Camera lens driving device |
| CN108710189A (en) * | 2018-07-04 | 2018-10-26 | 上海比路电子股份有限公司 | Lens drive motor, camera and mobile terminal apparatus |
| CN114326010A (en) * | 2018-08-07 | 2022-04-12 | 大阳科技股份有限公司 | Camera module and electronic device |
| CN111935386A (en) * | 2020-09-11 | 2020-11-13 | 重庆市天实精工科技有限公司 | Camera module, camera anti-shake system and method and mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017113548A1 (en) | 2017-07-06 |
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Address after: Tianchen road Qingpu Industrial Park Qingpu District of Shanghai City, No. 2009, 201799 Applicant after: Cyprus Shanghai electronic Limited by Share Ltd Address before: 201706 Shanghai city Qingpu district Song Ying Songze Avenue Road No. 6658 Applicant before: Shanghai Bilu Electronic Co., Ltd. |
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Application publication date: 20160420 |