CN102799046B - Image stabilization module and imaging device - Google Patents
Image stabilization module and imaging device Download PDFInfo
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- CN102799046B CN102799046B CN201110134957.1A CN201110134957A CN102799046B CN 102799046 B CN102799046 B CN 102799046B CN 201110134957 A CN201110134957 A CN 201110134957A CN 102799046 B CN102799046 B CN 102799046B
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- fixed mount
- movable frame
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- image stabilization
- pcb
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Abstract
The present invention relates to a kind of image stabilization module, it includes fixed mount, is positioned at fixed mount and and the movable frame at fixed mount interval, multiple Magnet, multiple printed circuit board (PCB) processing procedure coils and at least one shell fragment.Each sidewall of fixed mount all includes accepting hole, is positioned at the bearing and leaning portion of accepting hole and from the holding section of bearing and leaning portion upper process.Multiple Magnet are individually fixed on the sidewall of movable frame.Multiple printed circuit board (PCB) processing procedure coils are individually fixed in accepting hole and relative with multiple Magnet.Each printed circuit board (PCB) processing procedure coil all offers connecting hole.Holding section engages with corresponding connecting hole, and printed circuit board (PCB) processing procedure coil is fitted with corresponding bearing and leaning portion.At least one shell fragment is connected with fixed mount and movable frame respectively, and elastic deformation occurs shell fragment resiliency supported movable frame in fixed mount and when movable frame is moved.The invention still further relates to a kind of imaging device with this image stabilization module.
Description
Technical field
The present invention relates to optical anti-vibration technology, particularly relate to a kind of can the image stabilization module of optical anti-vibration and a kind of imaging device with this image stabilization module.
Background technology
Along with digital camera technology development, the fuselage of camera is often both little and light, it is easy to causes the shake of camera because of the shake of user hands, causes that camera imaging obscures.Therefore, digital camera now has been usually added into the anti-hands shake technology problem to overcome image blur.
At present, the anti-hands shake technology being applied in digital camera is broadly divided into two kinds: a kind of is make image sensor move the amount corresponding with the amount of jitter of camera body in the plane vertical with camera lens optical axis to reduce the image blur of camera；Another kind is that the eyeglass in moving lens system is to compensate the amount of jitter of camera body.These two kinds of anti-hands shake technology all adopt for housing the movable units of camera lens, support the mobile fixed cell of this movable units, coil, Magnet and being fixed on fuselage and for detecting the angular-rate sensor of camera body amount of jitter.Coil is wound in the outer wall of movable units, and magnet cartridge is located on fixed cell and relative with coil.When being electrified stream to coil, producing interaction force between coil and this Magnet, this movable units and image sensor or eyeglass is fixed and the amount of jitter motion that detects according to angular-rate sensor under the driving of this active force, thus reducing image blur.
But, when assembling coil, need the outer wall that copper cash is manually wound in this movable units to constitute coil.Owing to copper cash is superfine, wire diameter is about 0.05 millimeter, easy fracture in winding.Separately, after coiling, in moving back paint welding processing procedure, the normal easy fracture of copper cash being used as conductive lead wire reserved, not only reduces packaging efficiency, also can affect assembling yield.
Summary of the invention
In view of this, it is necessary to provide a kind of and can improve packaging efficiency and ensure to assemble the image stabilization module of yield and a kind of imaging device with this image stabilization module.
A kind of image stabilization module, it include a fixed mount, one be positioned at this fixed mount and and the movable frame at this fixed mount interval, multiple Magnet, multiple printed circuit board (PCB) processing procedure coils and at least one shell fragment.Each sidewall of this fixed mount all includes an accepting hole, a bearing and leaning portion being positioned at accepting hole and a holding section from this bearing and leaning portion upper process.The plurality of Magnet is individually fixed on the sidewall of this movable frame.The plurality of printed circuit board (PCB) processing procedure coil is individually fixed in this accepting hole and relative with the plurality of Magnet.Each printed circuit board (PCB) processing procedure coil all offers a connecting hole.Holding section engages with corresponding connecting hole, and printed circuit board (PCB) processing procedure coil is fitted with corresponding bearing and leaning portion.This at least one shell fragment is connected with this fixed mount and this movable frame respectively, and elastic deformation occurs this this movable frame of shell fragment resiliency supported in this fixed mount and when this movable frame is moved.
A kind of imaging device, it includes image stabilization module as above, camera lens module, image sensor and substrate.This camera lens module is contained in this movable frame.This substrate is fixed on side contrary with this at least one shell fragment on this fixed mount.This image sensor is contained in this fixed mount and is fixed on this substrate.The optical axis of this camera lens module is directed at this image sensor.
Compared to prior art, this image stabilization module and this imaging device utilize the copper cash of printed circuit board (PCB) processing procedure coil to be formed in insulant with printed circuit board forming processing procedure in advance, therefore in image stabilization module group assembling process, printed circuit board (PCB) processing procedure coil is directly fixed in accepting hole, compared to adopting traditional wound copper cash in the assembling process of the outer wall of this movable units, both packaging efficiency had been improved, more ensure that assembling yield.It addition, printed circuit board (PCB) processing procedure coil is quickly positioned by holding section realization incompatible with the card of corresponding connecting hole, improve packaging efficiency further and assemble yield.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the image stabilization module that first embodiment of the invention provides.
Fig. 2 is the decomposing schematic representation of the image stabilization module in Fig. 1.
Fig. 3 is the generalized section of the imaging device that second embodiment of the invention provides.
Main element symbol description
| Image stabilization module | 100 |
| Fixed mount | 10 |
| End face | 10a |
| Bottom surface | 10b |
| Sidewall | 12 |
| First receiving space | 120 |
| Accepting hole | 122 |
| The sidewall of accepting hole | 122a、122b |
| Bearing and leaning portion | 124 |
| Holding section | 126 |
| Card zygostyle | 14 |
| Support column | 16 |
| Movable frame | 20 |
| Second receiving space | 20a |
| Top board | 22 |
| Light well | 220 |
| Side plate | 24 |
| Shell fragment | 30 |
| Movable piece | 32 |
| Through hole | 322 |
| Fixture | 34 |
| First fixed part | 342 |
| Second fixed part | 344 |
| Bending member | 36 |
| First kink | 362 |
| Second kink | 364 |
| Hole, location | 38 |
| Magnet | 40 |
| Printed circuit board (PCB) processing procedure coil | 50 |
| Centre bore | 52 |
| Connecting hole | 54 |
| Angular-rate sensor | 60 |
| Camera lens module | 200 |
| Image sensor | 300 |
| Substrate | 400 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Referring to Fig. 1 and Fig. 2, the image stabilization module 100 that first embodiment of the invention provides includes 20, shell fragment of 10, movable frame of a fixed mount, 40, four printed circuit board (PCB) processing procedure coils 50 of 30, eight Magnet and an angular-rate sensor 60.
Fixed mount 10 substantially cuboid framework and have a central shaft, it is fixed in an electronic installation, such as digital camera (not shown).Fixed mount 10 includes 12, four card zygostyles 14 of four sidewalls and four support columns 16.
Four sidewall 12 head and the tail vertical connections surround first receiving space 120.Each sidewall 12 all includes 122, bearing and leaning portion 124 of an accepting hole and a holding section 126.Each accepting hole 122 all connects with the first receiving space 120.One sidewall 122a of accepting hole 122 and vertical accepting hole 122 that bearing and leaning portion 124 is positioned at correspondence extends to another sidewall 122b of accepting hole 122, and these two sidewalls 122a, 122b are parallel relatively.In present embodiment, bearing and leaning portion 124 does not arrive sidewall 122b, and bearing and leaning portion 124 occupies about the area of accepting hole 1/122nd 5.Holding section 126 is positioned in the bearing and leaning portion 124 of correspondence and this bearing and leaning portion 124 projection relatively.
Fixed mount 10 also includes an an end face 10a and bottom surface 10b.End face 10a lays respectively at, with bottom surface 10b, the both sides that fixed mount 10 is relative.Four card zygostyles 14 extend vertically and are distributed in four corners of end face 10a from end face 10a.Four support columns 16 extend vertically and are distributed in four corners of bottom surface 10b from the 10b of bottom surface.
Movable frame 20 is substantially the cube structure of hollow, and it is contained in the first receiving space 120 and spaced with fixed mount 10.Movable frame 20 and fixed mount 10 have same central shaft.Movable frame 20 includes a top board 22 and four side plates 24 downwardly extended from four edge-perpendicular of this top board 22.Four side plate 24 head and the tail vertical connections also surround a second receiving space 20a jointly with top board 22, and this second receiving space 20a is used for housing camera lens module (not shown).Top board 22 offers and the second receiving space 20a light well 220 communicated.
Shell fragment 30 is substantially in tabular, and it bending member 36 including 32, four fixtures of a movable piece 34, four connection fixture 34 respectively and movable piece 32 and four are opened in 30 4 corners of shell fragment the location hole 38 corresponding with card zygostyle 14.
Movable piece 32 has top board 22 same shape with movable frame 20, namely rectangular.Movable piece 32 offers the through hole 322 corresponding with light well 220.Movable piece 32 is fixed on the top board 22 of movable frame 20, moves along with the motion of movable frame 20, and through hole 322 is directed at light well 220.Specifically, the aperture of the aperture ratio light well 220 of through hole 322 is bigger, not stop the light entering light well 220.
Four fixtures 34 are the four edges of shell fragment 30, and four card zygostyles 14 are individually fixed on four sidewalls 12 of fixed mount 10 by glued mode after being each passed through corresponding hole 38, location.Each fixture 34 all includes symmetrical first fixed part 342 of the center line of the corresponding sides of relative shell fragment 30 and second fixed part 344.First fixed part 342 and the second fixed part 344 are discontinuous two parts on a limit of shell fragment 30, i.e. the first fixed part 342 and the second fixed part 344 interval.
Above four bending members 36 interval between movable frame 20 and fixed mount 10, think that bending member 36 provides enough deformation spaces.Each bending member 36 all includes symmetrical first kink 362 of the center line of the corresponding sides of relative shell fragment 30 and second kink 364.First kink 362 and the second kink 364 are respectively provided with a bending place, so that the first kink 362 and the second kink 364 can homogeneous deformations produce uniform restoring force when stress.One end of first kink 362 is connected with the first fixed part 342, and the other end is connected with a side of movable piece 32.One end of second kink 364 is connected with the second fixed part 344, and the other end is connected with a side of movable piece 32.In present embodiment, the first kink 362 is identical with the junction point of movable piece 32 with the junction point of movable piece 32 and the second kink 364.
In present embodiment, the quantity of shell fragment 30 is one, it will be understood that the quantity of shell fragment 30 can be two, and another can be arranged on the opposite side of movable frame 20 in the same manner described above, and namely two shell fragments 30 lay respectively at the both sides that movable frame 20 is relative.The quantity of shell fragment 30 can also more than two, such as three, four etc..If four, then stacking between two be arranged on the relative both sides of movable frame 20 in the same manner described above.
Eight Magnet 40 one group between two, is divided into into four groups.Each two Magnet 40 is fixedly arranged on a side plate 24 of movable frame 20 at each interval.
Printed circuit board (PCB) processing procedure coil refers to the coil in flexible printed circuit board shape made with industry printed circuit board (PCB) processing procedure by conductive metal wire with insulant, this conductive metal wire is embedded in this insulant, and the winding displacement track of this conductive metal wire constitutes coil pattern.Shape and this coil pattern of printed circuit board (PCB) processing procedure coil can according to Customer Requirement Designs.Instantly mainly there is Japanese Asahi Kasei Corporation in the production firm of printed circuit board (PCB) processing procedure coil.Generally, printed circuit board (PCB) processing procedure coil can include 1 to 6 layer line circular pattern, and every layer line circular pattern can be made up of copper cash, and thickness is between 30 to 200 microns.Being approximately 5 microns with the spacing of copper cash each in layer line circular pattern, copper cash wire diameter is about 25 microns, and adjacent two copper cash centre distances are about 30 microns.
In present embodiment, each printed circuit board (PCB) processing procedure coil 50 all offers a centre bore 52 and a connecting hole 54.The coil pattern of this printed circuit board (PCB) processing procedure coil 50 is symmetrical centered by this centre bore 52.This connecting hole 54 is corresponding with holding section 126.Holding section 126 engages with corresponding connecting hole 54, and printed circuit board (PCB) processing procedure coil 50 is with after the laminating of corresponding bearing and leaning portion 124, and printed circuit board (PCB) processing procedure coil 50 is fixed in accepting hole 122 by glued mode and relative with the Magnet 40 on corresponding side plate 24.
Angular-rate sensor 60 is gyroscope, and it is fixed on one of them side plate 24 of movable frame 20, and for detecting the amount of jitter of movable frame 20.
During work, when being electrified stream to printed circuit board (PCB) processing procedure coil 50, then produce magnetic field force between printed circuit board (PCB) processing procedure coil 50 and Magnet 40, the amount of jitter detected according to angular-rate sensor 60 under the driving of this magnetic field force is made to compensate motion by movable frame 20 with being installed in camera lens module therein, the amount of jitter of digital camera fuselage when taking pictures with compensation, thus reducing image blur.
Referring to Fig. 3, the imaging device 2 that second embodiment of the invention provides includes image stabilization module 100, camera lens module 200, image sensor 300 and substrate 400.Camera lens module 200 is contained in the second receiving space 20a of movable frame 20.Substrate 400 is fixed on side contrary with this shell fragment 30 on fixed mount 10, and namely support column 16 is carried on substrate 400.Image sensor 300 is contained in the first receiving space 120 of fixed mount 10 and is fixed on substrate 400.The optical axis OO ' of this camera lens module 200 is directed at and coaxial with the central shaft of fixed mount 10 and movable frame 20 with the center of image sensor 300.
Image stabilization module 100 provided by the invention and imaging device 2 utilize the copper cash of printed circuit board (PCB) processing procedure coil 50 to be formed in insulant with printed circuit board forming processing procedure in advance, therefore in image stabilization module 100 assembling process, printed circuit board (PCB) processing procedure coil 50 is directly fixed in accepting hole 122, compared to adopting traditional wound copper cash in the assembling process of the outer wall of this movable units, both packaging efficiency had been improved, more ensure that assembling yield.It addition, printed circuit board (PCB) processing procedure coil 50 is quickly positioned with the incompatible realization of card of corresponding connecting hole 54 by holding section 126, improve packaging efficiency further and assemble yield.
It is understood that for the person of ordinary skill of the art, it is possible to conceive according to the technology of the present invention and make other various corresponding changes and deformation, and all these change and deform the protection domain that all should belong to the claims in the present invention.
Claims (9)
1. an image stabilization module, including:
One fixed mount, each sidewall of this fixed mount all includes an accepting hole, a bearing and leaning portion being positioned at accepting hole and a holding section from this bearing and leaning portion upper process；
One is positioned at this fixed mount and and the movable frame at this fixed mount interval；
Multiple Magnet, are individually fixed on the sidewall of this movable frame；
Multiple it is fixed in this accepting hole and the printed circuit board (PCB) processing procedure coil relative with the plurality of Magnet, each printed circuit board (PCB) processing procedure coil all offers a connecting hole, this holding section engages with corresponding connecting hole, and this printed circuit board (PCB) processing procedure coil is fitted with corresponding bearing and leaning portion；And
At least one shell fragment, this at least one shell fragment is connected with this fixed mount and this movable frame respectively, and elastic deformation occurs this at least one this movable frame of shell fragment resiliency supported in this fixed mount and when this movable frame is moved.
2. image stabilization module as claimed in claim 1, it is characterised in that this movable frame includes four sidewalls, and each sidewall is installed with two Magnet.
3. image stabilization module as claimed in claim 2, it is characterised in that this fixed mount includes four sidewalls, each printed circuit board (PCB) processing procedure coil is fixed in the accepting hole of correspondence by glued mode.
4. image stabilization module as claimed in claim 2, it is characterised in that this fixed mount includes four sidewalls, and each printed circuit board (PCB) processing procedure coil is fixed in the accepting hole of correspondence by snap fit.
5. image stabilization module as claimed in claim 2, it is characterised in that this fixed mount includes four sidewalls, and each printed circuit board (PCB) processing procedure coil is fixed in the accepting hole of correspondence by screw-in version.
6. image stabilization module as claimed in claim 3, it is characterized in that, this at least one shell fragment includes fixture, movable piece and connects the bending member of this movable piece and this fixture, and this fixture is fixed on this fixed mount, and this movable piece is fixed in this movable frame and draws this movable frame.
7. image stabilization module as claimed in claim 6, it is characterised in that this image stabilization module also includes an angular-rate sensor, and this angular-rate sensor is fixed in this movable frame and for detecting the amount of jitter of this movable frame.
8. image stabilization module as claimed in claim 7, it is characterised in that this angular-rate sensor is gyroscope.
9. an imaging device, it includes camera lens module, image sensor, substrate and the image stabilization module as described in any one of claim 1 to 8, this camera lens module is contained in this movable frame, this substrate is fixed on side contrary with this at least one shell fragment on this fixed mount, this image sensor is contained in this fixed mount and is fixed on this substrate, and the optical axis of this camera lens module is directed at this image sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110134957.1A CN102799046B (en) | 2011-05-24 | 2011-05-24 | Image stabilization module and imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110134957.1A CN102799046B (en) | 2011-05-24 | 2011-05-24 | Image stabilization module and imaging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102799046A CN102799046A (en) | 2012-11-28 |
| CN102799046B true CN102799046B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110134957.1A Expired - Fee Related CN102799046B (en) | 2011-05-24 | 2011-05-24 | Image stabilization module and imaging device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014126668A (en) * | 2012-12-26 | 2014-07-07 | Mitsumi Electric Co Ltd | Lens drive device, camera module and portable terminal with camera |
| CN106817007B (en) * | 2017-03-30 | 2023-11-28 | 信利光电股份有限公司 | OIS voice coil motor |
| CN109140326B (en) * | 2018-10-11 | 2024-04-02 | 中山市鼎亮照明电器有限公司 | Lamp arm mounting structure and ceiling lamp |
| JP2022126221A (en) * | 2021-02-18 | 2022-08-30 | 日本電産サンキョー株式会社 | optical unit |
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| CN102799046A (en) | 2012-11-28 |
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