CN107770518A - A kind of camera module eccentric correction device and method - Google Patents
A kind of camera module eccentric correction device and method Download PDFInfo
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- CN107770518A CN107770518A CN201711041489.7A CN201711041489A CN107770518A CN 107770518 A CN107770518 A CN 107770518A CN 201711041489 A CN201711041489 A CN 201711041489A CN 107770518 A CN107770518 A CN 107770518A
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- coil plate
- holder structures
- camera module
- camera lens
- center
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Adjustment Of Camera Lenses (AREA)
Abstract
The invention discloses a kind of camera module eccentric correction device and method, camera module eccentric correction device includes：The FPC substrates of sensitive chip are equipped with, the Holder structures provided with magnetic piece, with sensitive chip and the control calibration equipment of camera lens communication connection, four coil plates.Timing, the FPC substrates for being equipped with Holder structures are placed in the space that coil plate surrounds first, and make four magnetic pieces difference four coil plates of face；Restart control calibration equipment, and observe center and the sensitivity centre of camera lens on a display screen；Electric current is applied to each coil plate, make relative coil plate and magnetic piece repels each other because of same polarity, to drive Holder structures to move, and according to the center of camera lens and relative position, the size of current of each coil plate of change of sensitivity centre, until the center of camera lens and sensitivity centre overlap.
Description
Technical field
The present invention relates to camera module to correct field, more specifically to a kind of camera module eccentric correction device and
Method.
Background technology
In field of photography, requirement of the consumer to Product Experience sense is gradually lifted, and camera module eccentricity issues are to influence
An important factor for product shooting effect.Camera module includes the components such as imaging sensor, sensitive chip, camera lens, wiring board, more
In secondary assembling process, make the superposition tolerance of spare and accessory parts increasing, ultimately result in the center deviation picture center of camera lens, make corner
Definition it is uneven.
For prior art, generally use Dutch treatment journey method is corrected to the center of camera lens, i.e., by adjusting each zero
The relative position of part and the angle of inclination of camera lens, so that the sensitivity centre of optical center and sensitive chip coincides.But above-mentioned side
Method is needed to realize under the auxiliary of relevant device, and complex technical process, the scope of application are limited by product size, are not easy to general
All over application.
Therefore, how to simplify the process of camera module eccentric correction, improve its shooting effect, be that the field is urgently at this stage
The problem of solution.
The content of the invention
In view of this, it is an object of the invention to provide a kind of camera module eccentric correction device, the device to simplify
The process of camera module eccentric correction, its shooting effect is improved, the problem for solving the field at this stage.The purpose of the present invention is also
It is to provide a kind of camera module eccentric correction method, this method is applied to above-mentioned camera module eccentric correction device, therefore,
The process of camera module eccentric correction can be simplified, improve the shooting effect of camera module.
A kind of camera module eccentric correction device, including：
FPC substrates, sensitive chip is equipped with the FPC substrates；
Holder structures, the Holder structures are connected with the FPC substrates, the Holder structures include base and
Boss, the boss are mutually fixed with camera lens, and the base is cuboid, and four sides of the cuboid are provided with magnetic piece；
Calibration equipment is controlled, the control calibration equipment is provided with display screen, and leads to the sensitive chip and the camera lens
News connection, for showing the center of the camera lens and the sensitivity centre of the sensitive chip, and the big abortion for passing through control electric current
Raw driving force；
Coil plate, the coil plate are four, and the Holder structures are placed in the coil plate relative sky surrounded two-by-two
In, and each magnetic piece difference each coil plate of face；Each coil plate produces magnetic by impressed current
Property, and homopolarity magnetic is presented in the relative coil plate and the magnetic piece.
Preferably, described camera module eccentric correction device, the magnetic piece are magnetic metal piece.
Preferably, described camera module eccentric correction device, the material of the Holder structures is plastics.
Preferably, described camera module eccentric correction device, the magnetic piece are embedded in the Holder structures.
Preferably, described camera module eccentric correction device, the Holder structures pass through glue with the FPC substrates
It is fixed.
A kind of camera module eccentric correction method, including step：
Step 1, FPC substrates are placed in the space that coil plate surrounds；
Step 2, Holder structures are placed on the sensitive chip of the FPC substrates, and make the Holder structures
Four magnetic pieces distinguish four coil plates of face；
Step 3, start control calibration equipment, and observe the center of the camera lens and the sensitive chip on a display screen
Sensitivity centre；
Step 4, electric current is applied to each coil plate, make relative coil plate and magnetic piece repel each other because of same polarity,
To drive Holder structures to move, and according to the center of the camera lens and relative position, each institute of change of the sensitivity centre
The size of current of coil plate is stated, until the center of the camera lens and the sensitivity centre overlap.
The present invention proposes a kind of camera module eccentric correction device, including：The FPC substrates of sensitive chip are equipped with, are provided with
The Holder structures of magnetic piece, with sensitive chip and the control calibration equipment of camera lens communication connection, four coil plates.Timing,
The FPC substrates for being equipped with Holder structures are placed in the space that coil plate surrounds first, and make four magnetic pieces difference faces
Four coil plates；Restart control calibration equipment, and observe center and the sensitivity centre of camera lens on a display screen；To each coil
Plate applies electric current, relative coil plate and magnetic piece is repelled each other because of same polarity, to drive Holder structures to move, and according to mirror
The center of head and the relative position of sensitivity centre, the size of current for changing each coil plate, until the center of camera lens and it is photosensitive in
The heart overlaps.Said process by changing alive size, to change the driving force to Holder structures, complete to camera module
Correction.The process is simple and reliable, and the scope of application is wider.Therefore, this camera module eccentric correction device, shooting can be simplified
The process of module eccentric correction, its shooting effect is improved, the problem for solving the field at this stage.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of camera module eccentric correction device in the specific embodiment of the invention；
Fig. 2 is the schematic diagram of Holder structures in the specific embodiment of the invention；
Fig. 3 is the bottom schematic view of Holder structures in the specific embodiment of the invention.
In Fig. 1-Fig. 3：
FPC substrate -1, Holder structure -2, coil plate -3, magnetic piece -4.
Embodiment
The core of present embodiment is to provide a kind of camera module eccentric correction device, and the device, which can simplify, to be taken the photograph
As the process of module eccentric correction, its shooting effect is improved, the problem for solving the field at this stage.
Hereinafter, embodiment is illustrated referring to the drawings.In addition, embodiments illustrated below is not to described in claim
The content of the invention rise any restriction effect.In addition, the full content of the composition represented by example below is not limited to as right
It is required that necessary to the solution of described invention.
The camera module eccentric correction device that present embodiment provides, including FPC substrates 1, Holder structures 2, control
Calibration equipment processed, coil plate 3.Wherein, it is equipped with sensitive chip on FPC substrates 1；Holder structures 2 are combined with FPC substrates 1,
The Holder structures 2 include base and boss, and boss is mutually fixed with camera lens, and base is cuboid, and four sides of cuboid
Provided with magnetic piece 4；Control calibration equipment is provided with display screen, and is connected with sensitive chip and camera lens communication, for showing and observing
The center of camera lens and the sensitivity centre of sensitive chip；Coil plate 3 is four, and to be relative two-by-two and surround and can accommodate
The space of Holder structures 2, each coil plate 3 rely on impressed current and produce magnetic, and relative coil plate 3 and magnetic piece
4 are presented homopolarity magnetic, to produce the driving force repelled each other, Holder structures 2 is produced relative displacement with FPC substrates 1, and can lead to
Cross and change the electric current of coil plate 3 and change the driving force size to Holder structures 2, finally make center and the sensitive chip of camera lens
Sensitivity centre overlap.It please specifically refer to Fig. 1-3.
FPC substrates 1 and Holder structures 2 are placed in coil plate 3 by above-mentioned camera module eccentric correction device, timing first
In the space surrounded, and four magnetic pieces 4 are made to distinguish four coil plates 3 of face；Restart control calibration equipment, and in display screen
The center of upper observation camera lens and sensitivity centre；Electric current is applied to each coil plate 3, makes relative coil plate 3 and magnetic piece 4 because same
Polarity and repel each other, to drive Holder structures 2 to move, and according to the relative position of the center of camera lens and sensitivity centre, change it is each
The size of current of individual coil plate 3, until the center of camera lens and sensitivity centre overlap.Said process is alive big by changing
Driving force small, to change to Holder structures 2, completes the correction to camera module.The process is simple and reliable, and the scope of application
It is wider.Therefore, this camera module eccentric correction device, the process of camera module eccentric correction can be simplified, improves its shooting effect
Fruit, solves the problem in the field at this stage.
The camera module eccentric correction device that present embodiment provides, in order to be further ensured that the normal work of the present apparatus
Make, prevent magnetic interference, non magnetic material, such as plastics can be selected as the raw material for making Holder structures 2.
Further, the magnetic piece 4 set in Holder structures 2 can be magnetic metal piece, or other can be played together
Deng the component of effect.And between magnetic piece 4 and Holder structures 2 can be the form such as to paste, cover, inlaying, in order to not change
On the premise of becoming 2 original profile of Holder structures, magnetic piece 4 can be designed as to the form inlayed with Holder structures 2.Specifically
It please refer to Fig. 3.
The camera module eccentric correction device that present embodiment provides, Holder structures 2 and FPC substrates 1 can lead to
Viscose is crossed to be connected.It should be noted that during eccentric correction, Holder structures 2 are connected with FPC substrates 1 by viscose
Connect, but now can in the presence of the magnetic field magnetic force that repels each other, make Holder structures 2 and FPC substrates 1 that relative motion occur, so as to
The relative displacement of the sensitivity centre of optical center and sensitive chip is realized, the center and sensitivity centre for finally making camera lens overlap, complete
The eccentric correction of paired camera module, then the phase of Holder structures 2 and FPC substrates 1 is fixed, ensure the mounted article of camera module
Matter.
Present embodiment also provides a kind of camera module eccentric correction method, can include step：First, by FPC
Substrate 1 is placed in the space that coil plate 3 surrounds；Secondly, Holder structures 2 are connected with FPC substrates 1 and are located at photosensitive core
On piece, and four magnetic pieces 4 of Holder structures 2 are made to distinguish four coil plates 3 of face；Again, control calibration equipment is started,
And the center of camera lens and the sensitivity centre of sensitive chip are observed on a display screen；Finally, electric current is applied to each coil plate 3, made
Relative coil plate 3 and magnetic piece 4 is repelled each other because of same polarity, to drive Holder structures 2 to move, and makes Holder structures 2 and FPC
Relative displacement occurs for substrate 1, so as to change the relative position at the center of camera lens and sensitivity centre；And the center according to camera lens and sense
The relative position of light center, the size of current for changing each coil plate 3, until the center of camera lens and sensitivity centre overlap.Coil
The electric current of plate 3 is bigger, bigger with the repulsive force of corresponding magnetic piece 4, so as to drive Holder structures 2 to move, until mirror
The center of head and sensitivity centre overlap, and complete the eccentric correction to camera module.
Above-mentioned camera module eccentric correction method, by changing 3 alive size of coil plate, being tied with changing to Holder
The driving force of structure 2, complete the correction to camera module.The process is simple and reliable, and the scope of application is wider.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (6)
- A kind of 1. camera module eccentric correction device, it is characterised in that including：FPC substrates (1), sensitive chip is equipped with the FPC substrates (1)；Holder structures (2), the Holder structures (2) are connected with the FPC substrates (1), Holder structures (2) bag Base and boss are included, the boss is mutually fixed with camera lens, and the base is cuboid, and four sides of the cuboid are provided with Magnetic piece (4)；Calibration equipment is controlled, the control calibration equipment is provided with display screen, and connects with the sensitive chip and camera lens communication Connect, drive is produced for showing the center of the camera lens and the sensitivity centre of the sensitive chip, and by the size of control electric current Power；Coil plate (3), the coil plate (3) are four, and it is relative two-by-two that the Holder structures (2) are placed in the coil plate (3) In the space surrounded, and each magnetic piece (4) difference each coil plate (3) of face；Each coil plate (3) according to Outer power-up miscarriage magnetisation, and homopolarity magnetic is presented in the relative coil plate (3) and the magnetic piece (4).
- 2. camera module eccentric correction device according to claim 1, it is characterised in that the magnetic piece (4) is magnetic Sheet metal.
- 3. camera module eccentric correction device according to claim 1, it is characterised in that the Holder structures (2) Material is plastics.
- 4. camera module eccentric correction device according to claim 1, it is characterised in that the magnetic piece (4) is embedded in On the Holder structures (2).
- 5. camera module eccentric correction device according to claim 1, it is characterised in that the Holder structures (2) with The FPC substrates (1) are fixed by glue.
- A kind of 6. camera module eccentric correction method, it is characterised in that including step：Step 1, FPC substrates (1) are placed in the space that coil plate (3) surrounds；Step 2, Holder structures (2) are placed on the sensitive chip of the FPC substrates (1), and make the Holder structures (2) four magnetic pieces (4) difference coil plate (3) of face four；Step 3, start control calibration equipment, and observe the center of the camera lens and the sense of the sensitive chip on a display screen Light center；Step 4, electric current is applied to each coil plate (3), make relative coil plate (3) and magnetic piece (4) because of same polarity and Repel each other, to drive Holder structures (2) mobile, and according to the relative position of the center of the camera lens and the sensitivity centre, change Become the size of current of each coil plate (3), until the center of the camera lens and the sensitivity centre overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041489.7A CN107770518B (en) | 2017-10-30 | 2017-10-30 | A kind of camera module eccentric correction device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041489.7A CN107770518B (en) | 2017-10-30 | 2017-10-30 | A kind of camera module eccentric correction device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107770518A true CN107770518A (en) | 2018-03-06 |
| CN107770518B CN107770518B (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711041489.7A Active CN107770518B (en) | 2017-10-30 | 2017-10-30 | A kind of camera module eccentric correction device and method |
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| US20050087696A1 (en) * | 2003-10-25 | 2005-04-28 | Choi Sang K. | Electron beam lens for micro-column electron beam apparatus and method of fabricating the same |
| CN101064779A (en) * | 2006-04-27 | 2007-10-31 | 中兴通讯股份有限公司 | Method for realizing minisize camera automatic focusing and minisize camera thereof |
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| CN107770518B (en) | 2019-03-22 |
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