CN102914931B - The optical image stabilizer of camera - Google Patents
The optical image stabilizer of camera Download PDFInfo
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- CN102914931B CN102914931B CN201110221260.8A CN201110221260A CN102914931B CN 102914931 B CN102914931 B CN 102914931B CN 201110221260 A CN201110221260 A CN 201110221260A CN 102914931 B CN102914931 B CN 102914931B
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Abstract
The present invention relates to a kind of optical image stabilizer of camera, include pedestal, one group of travelling carriage, lateral fiducial group of magnets, horizontal drive coil, two longitudinal benchmark group of magnets and two zigzag tread patterns coils, wherein, this pedestal has two cross slide waies; This group travelling carriage includes horizontal travelling carriage and longitudinal sliding motion frame; This horizontal travelling carriage can be incorporated on this pedestal along the mode of these two cross slide way movements, and has two longitudinal rails; This longitudinal sliding motion frame is being incorporated on this horizontal travelling carriage along the mode of these two longitudinal rail movements; This lateral fiducial group of magnets is located on this pedestal; This horizontal drive coil is located on this group travelling carriage, and the generation of this longitudinal sliding motion frame can be driven after importing electric current relative to the transverse shifting person of this pedestal; These two longitudinal benchmark group of magnets are located on this pedestal respectively; These two zigzag tread patterns coils are located on this group travelling carriage respectively, after importing electric current, this longitudinal sliding motion frame can be driven to produce vertically moving relative to this pedestal.
Description
Technical field
The present invention is relevant with the image acquisition device of camera, in more detail refers to a kind of optical image stabilizer of camera.
Background technology
Refer to Fig. 1 and Fig. 2, a kind of optical image stabilizer 3 of known camera, in order to be arranged at the one-tenth image side relative to camera lens in camera, and arrange for the image sensor 4 (CCD or CMOS) in order to sense this camera lens imaging.
Above-mentioned optical image stabilizer 3 includes:
Pedestal 50, is incorporated in the inside of above-mentioned camera, and has two cross slide waies 51.
Lateral fiducial group of magnets 60a and longitudinal benchmark group of magnets 60b, is located on pedestal 50 respectively.
Horizontal travelling carriage 71 and longitudinal sliding motion frame 72, this horizontal travelling carriage 71 is combined on these cross slide waies 51 and can moves back and forth along these cross slide waies 51, and has three longitudinal rails 711; This longitudinal sliding motion frame 72 with for arranging above-mentioned image sensor 4, and is combined on these longitudinal rails 711 and can moves back and forth along these longitudinal rails 711.
Horizontal drive coil 80a and zigzag tread patterns coil 80b, be located at respectively this longitudinal sliding motion frame 72 corresponds to this lateral fiducial group of magnets 60a and this longitudinal benchmark group of magnets 60b position on, after importing electric current respectively, this longitudinal sliding motion frame 72 can be driven to produce horizontal and vertical movement relative to this pedestal 50.
By this, when user's use has the camera filmed image of above-mentioned optical image stabilizer 3, camera detects because the camera lens caused by the moment vibrations of user's hand is crooked, the correction circuit of camera can import suitable electric current respectively to this horizontal drive coil 80a and this zigzag tread patterns coil 80b, make this two coil 80a, 80b produces corresponding magnetic field, and with this group lateral fiducial group of magnets 60a, and the longitudinal benchmark group of magnets 60b of this group produces the attracting or effect of repelling each other, produce and the rightabout movement in crooked direction to drive this longitudinal sliding motion frame 72 carrying this image sensor 4, and keep the sharpness of captured image.
In above-mentioned optical image stabilizer, this zigzag tread patterns coil 80b is positioned at the side on this longitudinal sliding motion frame 72.Refer to Fig. 3 and coordinate following calculating formula to learn:
M1＝F×La；
M2＝F×Lb；
M3＝F×Lc；
Wherein, M1 ~ M3 is moment; F is acting force; La ~ Lc is the arm of force;
But, M1+M2 > M3; Therefore, when zigzag tread patterns coil 80b because produce magnetic field and with longitudinal benchmark group of magnets 60b occur attracting or repel each other act on time, the moment produced cannot offset completely, the leverage that to make this longitudinal sliding motion frame 72 produce with longitudinal slide rail 711 in centre position be fulcrum, produce causing this longitudinal sliding motion frame 72 inclination angle to a certain degree, to this optical image stabilizer 3 be caused easily to have the situation of pause to occur when the vibration compensation, and then have influence on quality and the usefulness of this optical image stabilizer 3.
Summary of the invention
The technical problem to be solved in the present invention is, for the defect that the optical image stabilizer of camera in prior art easily has the situation of pause to occur when the vibration compensation, a kind of optical image stabilizer of camera is provided, improves the disappearance of above-mentioned well known, and there is comparatively fine piece of writing move sensitivity.
The technical scheme that the present invention adopts for its technical matters of solution is, a kind of optical image stabilizer of camera is provided, in order to be arranged at the position relative to the one-tenth image side of camera lens in camera, and arrange for the image sensor in order to sense this camera lens imaging; This optical image stabilizer includes pedestal, one group of travelling carriage, lateral fiducial group of magnets, horizontal drive coil, two longitudinal benchmark group of magnets and two zigzag tread patterns coils, wherein, this pedestal is incorporated in the inside of this camera, and has two cross slide waies; This group travelling carriage includes horizontal travelling carriage and longitudinal sliding motion frame; This horizontal travelling carriage is incorporated on this pedestal in the mode that can move back and forth along these two cross slide waies, and has two longitudinal rails; This longitudinal sliding motion frame with for arranging this image sensor, and is incorporated on this horizontal travelling carriage in the mode that can move back and forth along these two longitudinal rails; This lateral fiducial group of magnets, is located on this pedestal; This horizontal drive coil, be located at this group travelling carriage corresponds to this group lateral fiducial group of magnets position on, after importing electric current, this longitudinal sliding motion frame can be driven to produce relative to the transverse shifting of this pedestal; These two longitudinal benchmark group of magnets, are located at the position this pedestal corresponding to the relative both sides of this image sensor respectively; These two zigzag tread patterns coils, be located at respectively this group travelling carriage corresponds to these two longitudinal benchmark group of magnets position, after importing electric current, this longitudinal sliding motion frame can be driven to produce vertically moving relative to this pedestal.
By this, utilize the design of above-mentioned two longitudinal benchmark group of magnets and two zigzag tread patterns coil to reach the disappearance improving above-mentioned well known, and comparatively fine piece of writing can be had move sensitivity.
Accompanying drawing explanation
Fig. 1 is the exploded view of known optical image stabilization device.
Fig. 2 is that known optical image stabilization device is in the exploded view at another visual angle.
Acting force when Fig. 3 is known longitudinal sliding motion frame effect and the schematic diagram of each arm of force.
Fig. 4 is the stereographic map of optical image stabilizer of the present invention.
Fig. 5 is the exploded view of optical image stabilizer of the present invention.
Fig. 6 is that optical image stabilizer of the present invention is in the exploded view at another visual angle.
Acting force when Fig. 7 is longitudinal sliding motion frame effect of the present invention and the schematic diagram of each arm of force.
Embodiment
For can the present invention be illustrated more clearly in, hereby lifts preferred embodiment and coordinate accompanying drawing to be described in detail as follows.
Refer to Fig. 4 to Fig. 6, the optical image stabilizer 1 of present pre-ferred embodiments, in order to be arranged at the position relative to the one-tenth image side of camera lens in camera, and for arranging in order to the image sensor 2 sensing this camera lens imaging; This optical image sensor 1 includes:
Pedestal 10, is incorporated into the position of inside relative to the one-tenth image side of camera lens of camera, and has two cross slide waies 11.These two cross slide waies 11 are respectively the round metal body of rod with smooth surface in the present embodiment, and are embedded on the pedestal of this pedestal 10.In addition, this pedestal 10 has opening 12, passes through with the imaging beam for this camera lens.
One group of travelling carriage 20, includes horizontal travelling carriage 21 and longitudinal sliding motion frame 22.Wherein:
This horizontal travelling carriage 21 has one group of perforation 211 and limiting groove 212, this group perforation 211 is sheathed on wherein on this cross slide way 11, and this limiting groove 212 is cross-placed on another this cross slide way 11, and this horizontal travelling carriage 21 can be moved back and forth along these two cross slide waies 11.This horizontal travelling carriage 21 has more two longitudinal rails 213, and these two longitudinal rails 213 are respectively the round metal body of rod with smooth surface in the present embodiment, and close to two side ends place on the support body being embedded at this horizontal travelling carriage 21 respectively.In addition, this horizontal travelling carriage 21 has opening 214, passes through with the imaging beam for this camera lens.
This longitudinal sliding motion frame 22 is with for arranging this image sensor 2 in the position of opening 214 corresponding to this horizontal travelling carriage 21.In addition, the coil holder 222 that this longitudinal sliding motion frame 22 includes main body 221 and extends to form from this main body 221, this main body has one group of perforation 223 and limiting groove 224, this group perforation 223 is sheathed on wherein on this longitudinal rail 213, and this limiting groove 224 is cross-placed on another this longitudinal rail 213, and this longitudinal sliding motion frame 22 can be moved back and forth along these two longitudinal rails 213.
Lateral fiducial group of magnets 30a and two longitudinal benchmark group of magnets 30b is located on this pedestal respectively.More accurately, this lateral fiducial group of magnets 30a, in the present embodiment, is located on the position between these two cross slide waies 11 on this pedestal 10; These two longitudinal benchmark group of magnets 30b, in the present embodiment, then be located at respectively this pedestal 10 to correspond to this image sensor 2 both sides position corresponded between these two cross slide waies 11 relatively, and wherein this longitudinal benchmark group of magnets 30b between this coil holder 222 and this main body 221.
Horizontal drive coil 40a, is located at and this group travelling carriage 20 corresponds to this group lateral fiducial magnet 30a and corresponds on the position between these two cross slide waies 11.More accurately, this horizontal drive coil 40a in the present embodiment, be located at this longitudinal sliding motion frame 22 correspond to this group lateral fiducial magnet 30a and correspond on the coil holder 222 between these two cross slide waies 11, and between this coil holder 222 and this lateral fiducial group of magnets 30a.This horizontal drive coil 40a, after importing electric current, can produce corresponding magnetic field, and produces attracting with this lateral fiducial group of magnets 30a or repel each other and act on, and this longitudinal sliding motion frame 22 can be driven to produce transverse shifting relative to this pedestal 10.
Two zigzag tread patterns coil 40b, be located at respectively this group travelling carriage 20 to correspond between these two cross slide waies 11 and correspond to this longitudinal benchmark magnet 30b position.More accurately, in the present embodiment, these two zigzag tread patterns coil 40b are located at respectively and this longitudinal sliding motion frame 22 correspond between these two cross slide waies 11 and to correspond on the position of these two longitudinal benchmark group of magnets 30b, and wherein this zigzag tread patterns coil 40b between corresponding longitudinal benchmark group of magnets 30b and this main body 221.These two zigzag tread patterns coil 40b are after importing electric current, these two longitudinal sliding motion frame 40b will produce corresponding magnetic field, and produce with each this longitudinal benchmark group of magnets 30b attracting respectively or repel each other and act on, and this longitudinal sliding motion frame 22 can be driven to produce vertically moving relative to this pedestal 10.
Refer to Fig. 7, for quality and the usefulness of this optical image stabilizer 1 effectively can be promoted, the present invention, by arranging these two zigzag tread patterns coil 40b of these two longitudinal benchmark group of magnets 30b and correspondence, uses and reaches the object that when this optical image stabilizer 1 following carries out vibration compensation, these two longitudinal benchmark group of magnets 30b and this two zigzag tread patterns coil 40b repeal by implication to the moment that respectively this longitudinal rail 213 produces:
M1＝F1×La；M2＝F2×Lb；
M3＝F1×Lc；M4＝F2×Ld；
Wherein, M1 ~ M4 is moment; F is acting force; La ~ Ld is the arm of force;
By this, M3=M1+M2+M4 is made by design, just the moment that these two longitudinal benchmark group of magnets 30b and this two zigzag tread patterns coil 40b produce can be repealed by implication, this longitudinal sliding motion frame 22 can be made to carry out vibration compensation do not have leverage and cause the situation at inclination angle to produce, the slip between longitudinal sliding motion frame 22 and longitudinal rail 213 can be made smooth and easy, to improve the start sensitivity of whole optical image stabilizer 1, and then effectively promote quality and the usefulness of this optical image stabilizer 1.
The above be only describe the present invention in detail with a preferred embodiment, but the present invention is not limited only to the structure of above-described embodiment.All any amendments done according to the above embodiment of the present invention, if do not depart from the present invention by arranging the technical spirit of two zigzag tread patterns coils of two longitudinal benchmark group of magnets and correspondence, when being regarded as other form of implementation of the present invention.
Claims (11)
1. an optical image stabilizer for camera, is characterized in that, in order to be arranged at the position relative to the one-tenth image side of camera lens in camera, and arranges for the image sensor in order to sense this camera lens imaging; This optical image stabilizer includes:
Pedestal, is incorporated in the inside of this camera, and has two cross slide waies;
One group of travelling carriage, includes horizontal travelling carriage and longitudinal sliding motion frame; This horizontal travelling carriage is incorporated on this pedestal in the mode that can move back and forth along these two cross slide waies, and has two longitudinal rails; This longitudinal sliding motion frame with for arranging this image sensor, the coil holder comprising main body and extend to form from this main body, this main body is incorporated on this horizontal travelling carriage in the mode that can move back and forth along these two longitudinal rails;
Lateral fiducial group of magnets, is located on this pedestal;
Horizontal drive coil, be located at this group travelling carriage corresponds to this group lateral fiducial group of magnets position on, after importing electric current, this longitudinal sliding motion frame can be driven to produce transverse shifting relative to this pedestal;
Two longitudinal benchmark group of magnets, be located at the position this pedestal corresponding to the relative both sides of this image sensor respectively, and wherein a longitudinal benchmark group of magnets is at this coil holder and wherein between a longitudinal rail, another longitudinal benchmark magnet is at this image sensor and wherein between another longitudinal rail;
Two zigzag tread patterns coils, be located at respectively this group travelling carriage corresponds to these two longitudinal benchmark group of magnets position, after importing electric current, this longitudinal sliding motion frame can be driven to produce vertically moving relative to this pedestal;
When wherein this longitudinal sliding motion frame of a zigzag tread patterns coil drive produces relative to the vertically moving of this pedestal, the moment produced with each longitudinal rail, when producing relative to the vertically moving of this pedestal with other this longitudinal sliding motion frame of a zigzag tread patterns coil drive, the moment produced with each longitudinal rail is cancelled out each other.
2. the optical image stabilizer of camera as claimed in claim 1, it is characterized in that, this horizontal drive coil is located on this longitudinal sliding motion frame and is corresponded on the position of this lateral fiducial group of magnets.
3. the optical image stabilizer of camera as claimed in claim 1, is characterized in that, these two zigzag tread patterns coils be located at respectively this longitudinal sliding motion frame corresponds to these two longitudinal benchmark group of magnets position on.
4. the optical image stabilizer of camera as claimed in claim 1, it is characterized in that, this lateral fiducial group of magnets is located on the position between these two cross slide waies on this pedestal respectively, and this horizontal drive coil is located at respectively and this group travelling carriage is corresponded between these two cross slide waies and to correspond on the position of these two lateral fiducial magnet.
5. the optical image stabilizer of camera as claimed in claim 4, is characterized in that, this horizontal drive coil is located at respectively and this longitudinal sliding motion frame is corresponded between these two cross slide waies and to correspond on the position of this lateral fiducial group of magnets.
6. the optical image stabilizer of camera as claimed in claim 1, it is characterized in that, these two longitudinal benchmark group of magnets are located on the position between these two cross slide waies on this pedestal respectively, and these two zigzag tread patterns coils are located at respectively and this group travelling carriage are corresponded between these two cross slide waies and to correspond on the position of these two longitudinal benchmark magnet.
7. the optical image stabilizer of camera as claimed in claim 6, is characterized in that, these two zigzag tread patterns coils are located at respectively and this longitudinal sliding motion frame are corresponded between these two cross slide waies and to correspond on the position of these two longitudinal benchmark group of magnets.
8. the optical image stabilizer of camera as claimed in claim 1, it is characterized in that, this lateral fiducial group of magnets is located at the position this pedestal corresponding to this coil holder; This horizontal drive coil to be then located on this coil holder and between this coil holder and this lateral fiducial group of magnets.
9. the optical image stabilizer of camera as claimed in claim 8, it is characterized in that, wherein a zigzag tread patterns coil is then located in the main body of this longitudinal sliding motion frame, and between corresponding longitudinal benchmark group of magnets and this main body.
10. the optical image stabilizer of camera as claimed in claim 1, it is characterized in that, these two cross slide waies are the ganoid circular body of rod respectively.
The optical image stabilizer of 11. cameras as claimed in claim 1, is characterized in that, these two longitudinal rails are the ganoid circular body of rod respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110221260.8A CN102914931B (en) | 2011-08-03 | 2011-08-03 | The optical image stabilizer of camera |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110221260.8A CN102914931B (en) | 2011-08-03 | 2011-08-03 | The optical image stabilizer of camera |
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| CN102914931A CN102914931A (en) | 2013-02-06 |
| CN102914931B true CN102914931B (en) | 2015-08-12 |
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| CN201110221260.8A Expired - Fee Related CN102914931B (en) | 2011-08-03 | 2011-08-03 | The optical image stabilizer of camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103605250A (en) * | 2013-11-06 | 2014-02-26 | 中山联合光电科技有限公司 | Digital camera anti-vibration displacement compensation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916695A (en) * | 2006-08-29 | 2007-02-21 | 亚洲光学股份有限公司 | Image sensing module |
| CN101441385A (en) * | 2007-11-19 | 2009-05-27 | 索尼株式会社 | Image blur correction device, lens barrel and imaging apparatus |
| CN101957536A (en) * | 2009-07-17 | 2011-01-26 | 三星电子株式会社 | Hand is trembled calibration equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008191282A (en) * | 2007-02-02 | 2008-08-21 | Nidec Copal Corp | Camera shake correction device |
| JP4666238B2 (en) * | 2009-03-04 | 2011-04-06 | ソニー株式会社 | Image blur correction apparatus and imaging apparatus |
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2011
- 2011-08-03 CN CN201110221260.8A patent/CN102914931B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916695A (en) * | 2006-08-29 | 2007-02-21 | 亚洲光学股份有限公司 | Image sensing module |
| CN101441385A (en) * | 2007-11-19 | 2009-05-27 | 索尼株式会社 | Image blur correction device, lens barrel and imaging apparatus |
| CN101957536A (en) * | 2009-07-17 | 2011-01-26 | 三星电子株式会社 | Hand is trembled calibration equipment |
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Granted publication date: 20150812 Termination date: 20200803 |