CN107770418A - Camera model - Google Patents
Camera model Download PDFInfo
- Publication number
- CN107770418A CN107770418A CN201710288046.1A CN201710288046A CN107770418A CN 107770418 A CN107770418 A CN 107770418A CN 201710288046 A CN201710288046 A CN 201710288046A CN 107770418 A CN107770418 A CN 107770418A
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- CN
- China
- Prior art keywords
- camera lens
- lens module
- guide member
- camera
- along
- 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.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/003—Alignment of optical elements
-
- 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
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- 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
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
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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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Adjustment Of Camera Lenses (AREA)
- Studio Devices (AREA)
Abstract
The present invention discloses a kind of camera model.It can be included according to the camera model of one embodiment of the invention：Multiple camera lens modules, it is arranged in a housing；Focussing portion, it is configured to make the multiple camera lens module separately move along optical axis direction；And jitter correction portion, it is configured to the multiple camera lens module is together moved along the first direction perpendicular to the optical axis direction and second direction.
Description
Technical field
The present invention relates to a kind of camera model.
Background technology
In the recent period, camera model is employed in the mobile communication terminal such as smart mobile phone and tablet PC, notebook computer.
In addition, the double camera (dual camera) for being provided with two camera lens modules is recently disclosed, and this double camera is only
It is designed to the form for merely gathering two independent camera models in parallel.
This mode is more fragile to later stage deformation etc., therefore there is the addition reinforcement that must be carried out by supporting material
The problem of.
Further, since be separately equipped with actuator for two camera models, thus accordingly and there is camera
The overall dimensions of module become the problem of big.
The content of the invention
It is to provide a kind of following camera model according to the purpose of one embodiment of the invention：Multiple camera lenses can be used
Module, and it is compact in size to that can make while multiple camera lens module application Focussings and image shake correction function, and can
Improve the reliability for external impact etc..
It can be included according to the camera model of one embodiment of the invention：Multiple camera lens modules, it is arranged in a housing；
Focussing portion, it is configured to make the multiple camera lens module separately move along optical axis direction；Jitter correction portion, form
To make the multiple camera lens module together be moved along the first direction perpendicular to the optical axis direction and second direction.
Camera model according to another embodiment of the present invention can include：It is contained in the first guide member and of housing
Two guide members；It is contained in the first camera lens module and the second camera lens module of second guide member；Focussing portion, including
Magnet and the coil arranged face to face with the magnet, the magnet are attached at first camera lens module and described respectively
Two camera lens modules；And jitter correction portion, including be attached at second guide member multiple magnets and with it is the multiple
Multiple coils that magnet is arranged face to face, first camera lens module and second camera lens module are described to be respectively relative to
Second guide member and the mode that is relatively moved along optical axis direction are formed, and first guide member, described second are drawn
Part, first camera lens module and second camera lens module is led to be configured to together along perpendicular to the of the optical axis direction
One direction move, second guide member, first camera lens module and second camera lens module be configured to together along
Second direction moves, and the second direction is both perpendicular to the optical axis direction and the first direction.
Multiple camera lens modules can be used according to the camera model of one embodiment of the invention, and can be to multiple camera lens moulds
It can make compact in size while block application Focussing and image shake correction function, and can improve for external impact etc.
Reliability.
Brief description of the drawings
Fig. 1 is the stereogram according to the camera model of one embodiment of the invention.
Fig. 2 is the schematical exploded perspective view according to the camera model of one embodiment of the invention.
Fig. 3 is the exploded perspective view according to multiple camera lens module and jitter correction portions of one embodiment of the invention.
Fig. 4 is to show according to first camera lens module of one embodiment of the invention and the second camera lens module along a first direction
And the plan of the situation of second direction movement.
Fig. 5 is the stereogram for I-I ' the position interception for being showing along Fig. 1.
Fig. 6 is the stereogram for II-II ' the position interception for being showing along Fig. 1.
Fig. 7 is the exploded perspective view for showing multiple camera lens module and Focussing portions according to one embodiment of the invention.
Fig. 8 is the exploded perspective for showing multiple camera lens module and Focussing portions according to another embodiment of the present invention
Figure.
Symbol description
110：Housing 120：Shell
210：First camera lens module 230：Second camera lens module
310：First guide member 320：Second guide member
400：Lens driving apparatus 410：Jitter correction portion
420：Focussing portion 500：Image sensor module
510：First imaging sensor 530：Second imaging sensor
550：Printed circuit board (PCB) 700：Multiple ball parts
800：Yoke portion
Embodiment
Hereinafter, embodiments of the invention are described in detail referring to the drawings.Only, thought of the invention not office
It is limited to proposed embodiment.
For example, understand the thought of the present invention those skilled in the art can by the addition of inscape, change or delete
Remove and propose the other embodiment in the thought range of the present invention, and this also will be contained in the thought range of the present invention
It is interior.
The present invention relates to a kind of camera model, and it can apply to mobile communication terminal, smart mobile phone, flat board individual calculus
The portable electric appts such as machine (PC).
Camera model is for shooting the optical device of photo or video, and is equipped with to adjust focal length or correction of jitter
And the lens driving apparatus for moving camera lens.
Fig. 1 is according to the stereogram of the camera model of one embodiment of the invention, and Fig. 2 is according to one embodiment of the invention
Camera model schematical exploded perspective view.
Reference picture 1 and Fig. 2, included according to the camera model of one embodiment of the invention：It is configured to what can be independently moved
Multiple camera lens modules 210,230；For the lens driving apparatus 400 for moving multiple camera lens modules 210,230；For that will pass through
The light of multiple camera lens modules 210,230 and incidence is converted to the image sensor module 500 of electric signal；And for housing multiple mirrors
The housing 110 and shell 120 of head module 210,230 and lens driving apparatus 400.
Multiple camera lens modules 210,230 can represent the implication for including more than two camera lens modules.In the present embodiment,
It is illustrated on the basis of two camera lens modules (the first camera lens module 210, the second camera lens module 230), but it is of the invention
Thought be not limited to the number of camera lens module.
First camera lens module 210 and the second camera lens module 230 are respectively with can be along the mobile side of optical axis direction (Z-direction)
Formula is contained in the inside of housing 110.
Here, the first camera lens module 210 and the second camera lens module 230 are configured to have the mutually different angle of visual field.
As one, the angle of visual field of some in the first camera lens module 210 and the second camera lens module 230 may be configured as phase
To wider (wide-angle lens), and the angle of visual field of another camera lens may be configured as relative narrower (telephoto lens).
As described above, the angle of visual field of two camera lens modules is configured to difference, so as to shoot quilt with various depth
Take the photograph the image of body.
In addition, by utilizing two images (as one, synthesis) for a subject, so as to generate high-resolution
The image of rate or bright image, and then also can clearly shoot under low-light (level) environment the image of subject.
Furthermore, it is possible to realize 3D rendering using multiple images, and zoom function can be realized.
Lens driving apparatus 400 is the device for moving multiple camera lens modules 210,230.
As one, lens driving apparatus 400 can make multiple camera lenses 210,230 respectively along optical axis direction (Z axis side
To) mobile to focus, and multiple camera lens modules 210,230 can be made along perpendicular to optical axis direction (Z-direction)
Direction (X-direction and Y-direction) and move together, so as to it is correcting captured when shake.
Lens driving apparatus 400 includes for the jitter correction portion 410 of correction of jitter and the focal length for adjusting focal length
Adjustment portion 420.
Image sensor module 500 be for by by the first camera lens module 210 and the second camera lens module 230 and incidence
Light is converted to the device of electric signal.
As one, image sensor module 500 can include printed circuit board (PCB) 550, be connected to printed circuit board (PCB) 550
First imaging sensor 510 and the second imaging sensor 530, and infrared filter can also be included.
Infrared filter perform by by each camera lens module 210,230 and incidence light in infrared spectral range light
The function of stop.
First imaging sensor 510 and the second imaging sensor 530 will pass through the first camera lens module 210 and the second camera lens mould
Block 230 and incidence light be converted to electric signal.As one, the first imaging sensor 510 and the second imaging sensor 530 can be with
It is charge coupled device (CCD：Charge Coupled Device) or complementary metal-oxide-semiconductor (CMOS：
Complementary Metal-Oxide Semiconductor)。
The electric signal changed by the first imaging sensor 510 and the second imaging sensor 530 passes through portable electronic
The display part of equipment and export as image.
First imaging sensor 510 and the second imaging sensor 530 are fixed on printed circuit board (PCB) 550, and pass through lead
Engage (wire bonding) and be electrically connected to printed circuit board (PCB) 550.
First camera lens module 210 and the second camera lens module 230 and lens driving apparatus 400 are contained in housing 110.
As one, housing 110 is the shape that upper and lower part is opened, and is housed in the inner space of housing 110
There are multiple camera lens modules 210,230 and lens driving apparatus 400.
There is image sensor module 500 in the lower disposed of housing 110.
, it is necessary in two independent camera models in the case of camera model merely independent by two combination in parallel
Between space addition supporting material come prevent due to impact etc. caused by deformation.
However, extra supporting material is not needed according to the camera model of one embodiment of the invention, can be with more
Multiple camera lens modules 210,230 are arranged in one housing 110 of individual mobile space and improve the reliability for external impact etc..
Shell 120 is incorporated into housing 110 in a manner of the outer surface of housing 110 to be surrounded, and performs protection camera mould
The function of the Inner Constitution part of block.
In addition, shell 120 can perform the function of shielding electromagnetic wave.
As one, shell 120 can shield electromagnetic wave, so that will not be to portable from electromagnetic wave caused by camera model
Other electronic units in electronic equipment impact.
In addition, in portable, a variety of electronic units are also equipped with addition to the camera module, therefore, outside
Shell 120 can shield electromagnetic wave, so as to will not be impacted from electromagnetic wave caused by these electronic units to camera model.
Shell 120 may be provided in metal material and by being grounded in the earth plate for being provided to printed circuit board (PCB) 550,
Electromagnetic wave can be shielded accordingly.
Fig. 3 is the exploded perspective view according to multiple camera lens module and jitter correction portions of one embodiment of the invention.
Reference picture 3, the jitter correction portion 410 in the lens driving apparatus 400 according to one embodiment of the invention is carried out
Explanation.
Jitter correction portion 410 in order to correct during image taking or video capture due to reasons such as the hand shaking of user and
Caused image blur or the phenomenon of video jitter and used.
For example, when the reasons such as the hand shaking due to user are shaken in shooting image, jitter correction portion 410 will be right
The first camera lens module 210 and the second camera lens module 230 should be assigned in the relative displacement of shake, so as to correction of jitter.
As one, jitter correction portion 410 makes the first camera lens module 210 and the second camera lens module 230 along perpendicular to optical axis
The first direction (X-direction) and second direction (Y-direction) in direction (Z-direction) are mobile, carry out correction of jitter.
Here, first direction (X-direction) and second direction (Y-direction) can be directions perpendicular to one another.
Include being used to guide the first camera lens module 210 and the second camera lens mould according to the camera model of one embodiment of the invention
The first guide member 310 and the second guide member 320 of the movement of block 230.
First guide member 310 and the second guide member 320 are inserted within housing 110.As one, first guides
The guide member 320 of part 310 and second is sequentially inserted into along optical axis direction (Z-direction) and is arranged into housing 110.
First guide member 310 and the second guide member 320, which are equipped with, has been inserted into the first camera lens module 210 and the second mirror
The space of head module 230.
First camera lens module 210, the second camera lens module 230 and the first guide member 310, the second guide member 320 along
First direction (X-direction) moves and corrects the shake on first direction (X-direction) together.
In addition, the first camera lens module 210, the second camera lens module 230 and the second guide member 320 are along second direction (Y side
To) move together and correct the shake in second direction (Y-direction).
That is, the first camera lens module 210, the second camera lens module 230 and the second guide member 320 can (X along a first direction
Direction) and second direction (Y-direction) and move.In addition, the first guide member 310 can be mobile only along first direction (X-direction).
Jitter correction portion 410 includes producing multiple magnetic of the driving force of first direction (X-direction) and second direction (Y-direction)
Body 410a and multiple coil 410b.
By means of existing in driving force caused by jitter correction portion 410, the first guide member 310 and the second guide member 320
(X-direction) and second direction (Y-direction) are mobile in the first direction in housing 110.
A part of magnet and coil in multiple magnet 410a and multiple coil 410b are arranged to (X side in a first direction
To) on it is facing with each other, and produce the driving force of first direction (X-direction).Remaining magnet and remaining coil are arranged in
It is facing with each other in second direction (Y-direction), and produce the driving force of second direction (Y-direction).
Multiple magnet 410a are installed on the second guide member 320, and multiple coil 410b using substrate 600 as medium and
It is installed on housing 110.Substrate 600 is installed on the side of housing 110, and multiple coil 410b with multiple magnet 410a to practise physiognomy
To mode be arranged in substrate 600.
Multiple magnet 410a are (X-direction) and second direction (Y side along a first direction together with the second guide member 320
To) mobile moving parts, and multiple coil 410b are affixed to the fixed component of housing 110.But the invention is not restricted to
This, can also be by multiple magnet 410a and multiple coil 410b location swap.
Use of the invention senses and fed back the first camera lens module 210 and the second camera lens module 230 during jitter correction
Position close-loop control mode.
Therefore it provides the position sensor 410c for closed-loop control, and position sensor 410c can be arranged in use
In multiple coil 410b of jitter correction inner side.
Position sensor 410c can be Hall sensor, and can be by being installed on the multiple of the second guide member 320
The change of the magnetic flux density of the magnet 410a magnetic line of force and sense the first camera lens module 210, the position of the second camera lens module 230.
Here, the first camera lens module 210, the position of the second camera lens module 230 can represent first direction (X-direction) and second direction (Y
Direction) on position.
The present invention includes being used for the multiple ball parts 700 for supporting the first guide member 310 and the second guide member 320.It is more
Individual ball part 700 guides the first guide member 310 and the second guide member 320 during jitter correction.In addition, also perform dimension
Hold the work(of the spacing between housing 110 on optical axis direction (Z-direction), the first guide member 310 and the second guide member 320
Energy.
Multiple ball parts 700 include the first ball part 710 and the second ball part 720.
First ball part 710 is arranged between the guide member 310 of housing 110 and first, and the second ball part 720 is arranged
Between the first guide member 310 and the second guide member 320.
First ball part 710 guides the first guide member 310 and the second guide member 320 (X-direction) in the first direction
It is mobile；Second ball part 720 guides the movement of the second guide member 320 (Y-direction) in a second direction.
As one, producing along a first direction in the case of the driving force of (X-direction), the first ball part 710 along
First direction (X-direction) does rolling movement.Accordingly, the first ball part 710 guides the first guide member 310 and the second guide member
The movement of 320 (X-directions) in the first direction.
In addition, in the case where generation is along the driving force of second direction (Y-direction), the second ball part 720 along second
Do rolling movement in direction (Y-direction).Accordingly, the second ball part 720 guides the second guide member 320 in a second direction (Y-direction)
Movement.
The guide member 310 of housing 110 and first along in optical axis direction (Z-direction) each other facing face formed with
In the first guiding groove portion 710a for housing the first ball part 710.
First ball part 710 is contained in the first guiding groove portion 710a, and and then is clamped into the guide member of housing 110 and first
Between 310.
First ball part 710 is in the state of the first guiding groove portion 710a is contained in, along optical axis direction (Z-direction) and
The mobile restricted system in two directions (Y-direction), and only can (X-direction) movement along a first direction.As one, the first ball part
710 only (X-direction) can do rolling movement along a first direction.
Therefore, the first guiding groove 710a flat shape can be the width of second direction (Y-direction) than first direction (X
Direction) the longer rectangle of width.
In the first guide member 310 and the second guide member 320 along optical axis direction (Z-direction) facing face point each other
Not formed with the second guiding groove portion 720a for housing the second ball part 720.
Second ball part 720 is contained in the second guiding groove portion 720a, and and then is clamped into the first guide member 310a and
Between two guide members 320.
Second ball part 720 is in the state of the second guiding groove portion 720a is contained in, along optical axis direction (Z-direction) and
The movement in one direction (X-direction) is restricted, and only can be mobile along second direction (Y-direction).As one, the second bulb
Part 720 only can do rolling movement along second direction (Y-direction).
Therefore, the width that the second guiding groove portion 720a flat shape can be first direction (X-direction) compares second direction
The longer rectangle of the width of (Y-direction).
In addition, provide a kind of yoke (yoke) portion 800 in the present invention so that the first ball part 710 maintain with housing 110 and
The contact condition of first guide member 310, and the second ball part 720 is maintained and the first guide member 310 and the second guide portion
The contact condition of part 320.
Housing 110 is fixed in yoke portion 800, and with being installed on the second guide member 320 on optical axis direction (Z-direction)
Multiple magnet 410a it is facing.
Yoke portion 800 is the material that can produce gravitation between multiple magnet 410a at it, for example, yoke portion 800 can be with
It is provided as magnetic.
Therefore, gravitation is produced along optical axis direction (Z-direction) between yoke portion 800 and multiple magnet 410a.
By means of the gravitation between yoke portion 800 and multiple magnet 410a, multiple magnet 410a are with towards yoke portion 800
Direction is pressed, therefore the first ball part 710 and the second ball part 720 can keep contact condition with all parts.
For example, by means of the gravitation between yoke portion 800 and multiple magnets 410, the second of multiple magnet 410a are provided with
Guide member 320 is pressed towards the first guide member 310, and accordingly, the first guide member 310 is applied towards housing 110
Pressure.
If the power supply of camera model is opened, by means of position sensor 410c, the first camera lens module 210 and second
The initial position (position of (X-direction) and second direction (Y-direction) along a first direction) of camera lens module 230 can be sensed.
And first camera lens module 210 and the second camera lens module 230 position of setting is moved to from the initial position sensed.
Here, setting position can represent the centre of the mobile range of (X-direction) along a first direction and along
The centre of the mobile range of second direction (Y-direction).In mechanism meaning, the first camera lens module 210 and second can be represented
The centre of the first direction (X-direction) for the housing 110 that camera lens module 230 is received and the center of second direction (Y-direction)
Place.
In the case of not shaken in camera model, it is necessary to by the first camera lens module 210 and the second camera lens module 230
Fix and make it will not (X-direction) and second direction (Y-direction) movement along a first direction.
In the present invention, because yoke portion 800 along optical axis direction (Z-direction) hauls multiple magnet 410a, therefore
If jitter corrected signal is not applied in, by means of the gravitation between yoke portion 800 and multiple magnet 410a, the first camera lens
The camera lens module 230 of module 210 and second can keep fixed state on a predetermined position.
However, each component parts of camera model is along with the tolerance in manufacturing process, therefore only passing through yoke portion
Gravitation between 800 and multiple magnet 410a in the case of fixing the first camera lens module 210 and the second camera lens module 230, is deposited
In the worry that the optical axis of each camera lens module 210,230 departs from from the center of each imaging sensor 510,530, and it can
The reason for as poor quality images.
In addition, only it is difficult to by the gravitation between yoke portion 800 and multiple magnet 410a by the He of the first camera lens module 210
Second camera lens module 230 keeps fixed state.
Therefore, in the present invention, if the power supply of camera model is opened, by adjusting the He of the first camera lens module 210
The position (position of (X-direction) and second direction (Y-direction) along a first direction) of second camera lens module 230 and make the first camera lens
The camera lens module 230 of module 210 and second is located at centre in mechanism.
Therefore, if without shaking in camera model in the state of the power supply of camera model is opened, first
The camera lens module 230 of camera lens module 210 and second can be by the gravitation between yoke portion 800 and multiple magnet 410a and by multiple
Driving force caused by magnet 410a and multiple coil 410b and keep fixed state in centre in mechanism.
In addition, in the state of the power supply of camera model is closed, the first camera lens module 210 and the second camera lens module 230
Position can be fixed by means of the gravitation between yoke portion 800 and multiple magnet 410a.
Fig. 4 is to show according to first camera lens module of one embodiment of the invention and the second camera lens module along a first direction
And the plan of the situation of second direction movement.
In addition, Fig. 5 is the stereogram for I-I ' the position interception for being showing along Fig. 1, Fig. 6 is be showing along Fig. 1 II-II '
The stereogram of position interception.
Reference picture 4 to Fig. 6, to the first camera lens module 210 and the second camera lens module 230 along a first direction (X-direction) and
The mobile situation of second direction (Y-direction) illustrates.
If along a first direction (X-direction) and produce driving force Fx, the first camera lens module 210, the second camera lens module
230th, together (X-direction) is mobile (reference picture 4 and Fig. 5) along a first direction for the first guide member 310, the second guide member 320.
Here, (X-direction) does rolling movement to the first ball part 710 along a first direction.Now, second ball part 720
Movement is restricted.
If driving force Fy is produced along second direction (Y-direction), the first camera lens module 210, the second camera lens module
230th, the second guide member 320 is together mobile (reference picture 4 and Fig. 6) along second direction (Y-direction).
Here, the second ball part 720 is along second direction (Y-direction) and rolling movement.Now, first ball part 710
Movement is restricted.
As described above, during jitter correction, the first camera lens can be made by limiting the movement of a part of ball part
The lens assembly 230 of part 210 and second is mobile all along first direction (X-direction) and second direction (Y-direction).
In addition, work as the first camera lens module 210 and the second camera lens module 230 (X-direction) and second direction along a first direction
When (Y-direction) is mobile, it can prevent the first camera lens module 210 and the second camera lens module 230 from being revolved on the basis of optical axis (Z axis)
Turn.
The shake of camera model is rapidly carried out with tens of time degree each second, therefore the first camera lens module 210 and the
(X-direction) and second direction (Y-direction) continuously move two camera lens modules 230 along a first direction.Therefore, it is attached at the first mirror
Multiple magnet 410a of the camera lens module 230 of head module 210 and second and the multiple coil 410b institutes for being fixed on housing 110 are facing
Area can occur trickle change, and the deviation of driving force that is formed accordingly, the can be caused during jitter correction
One camera lens module 210 and the second camera lens module 230 are rotated centered on optical axis (Z axis).
The phenomenon that first camera lens module 210 and the second camera lens module 230 are rotated centered on optical axis (Z axis) will turn into figure
As the reason for degradation.
However, due to the movement of present invention restricted part ball part during jitter correction, so as to institutional
Structure prevent the rotation of the first camera lens module 210 and the second camera lens module 230 using optical axis (Z axis) as center.
In addition, in jitter correction, the first camera lens module 210 and the second camera lens module 230 together (X along a first direction
Direction) and second direction (Y-direction) movement, but it is as described below, in Focussing, the He of the first camera lens module 210
Second camera lens module 230 will independently move along optical axis direction (Z-direction).
Fig. 7 is the exploded perspective view for showing multiple camera lens module and Focussing portions according to one embodiment of the invention.
Reference picture 7, the Focussing portion 420 in the lens driving apparatus 400 according to one embodiment of the invention is carried out
Explanation.
First mirror is moved according to the lens driving apparatus 400 of one embodiment of the invention respectively in order to focus in subject
The camera lens module 230 of head module 210 and second.
As one, the present invention, which matches somebody with somebody to be ready for use on, makes the first camera lens module 210 and the second camera lens module 230 respectively along optical axis
The mobile Focussing portion 420 in direction (Z-direction).
First camera lens module 210 and the second camera lens module 230 include lens barrel 210a, 230a and carrier 210b, 230b respectively.
Each lens barrel 210a, 230a can be formed as drum, so that multiple lens of shooting subject are contained in it
It is internal.Multiple lens are arranged along optical axis (Z axis).
Magnet 420a is pasted with each carrier 210b, 230b one side.
Because the first camera lens module 210 is similar with the composition of the second camera lens module 230, it is omitted below for the second mirror
Identical or repetition the explanation of head module 230, and illustrated centered on the first camera lens module 210.
Focussing portion 420 is produced for making the first camera lens module 210 along the mobile driving of optical axis direction (Z-direction)
Power.As one, by means of in driving force caused by Focussing portion 420, the first camera lens module 210 is in the second guide member
Moved in 320 along optical axis direction (Z-direction).
Focussing portion 420 includes magnet 420a and coil 420b.
Magnet 420a is installed on carrier 210b.As one, magnet 420a can be installed on carrier 210b one side.
Coil 420b is installed on housing 110.As one, coil 420a can be installed on using substrate 600 as medium
Housing 110.Substrate 600 is installed on the side of housing 110, and coil 420b is provided to substrate 600 (reference picture 2 and Fig. 3).
Because magnet 420a is installed on carrier 210b, and coil 420b is installed on housing 110, so in magnet 420a and line
The second guide member 320 (for example, side wall of the second guide member 320) is disposed between circle 420b.But due to the second guiding
Part 320 is nonmagnetic material, and by means of magnet 420a and coil 420b, caused driving force is not by the second guide member 320
Influence.
The shifting that magnet 420a is mounted to carrier 210b and together moved with carrier 210b along optical axis direction (Z-direction)
Dynamic component, and coil 420b is affixed to the fixed component of housing 110.Only, the invention is not restricted to this, can also realize
For by magnet 420a and coil 420b location swap.
If power supply is applied to coil 420b, by means of the electromagnetic effect power between magnet 420a and coil 420b,
Carrier 210b can be made to be moved along optical axis direction (Z-direction).
Because carrier 210b is incorporated into lens barrel 210a, so by means of carrier 210b movement, lens barrel 210a also will be along
Optical axis direction (Z-direction) and move.
When carrier 210b is moved, in order to reduce the frictional force between carrier 210b and the second guide member 320, in carrier
Rolling member 730 is disposed between 210b and the second guide member 320.Rolling member 730 can be spherical state.
Carrier 210b and the second guide member 320 each other facing face formed with the receipts for housing rolling member 730
Tank 730a.Rolling member 730 is inserted in accepting groove 730a and does rolling movement along optical axis direction (Z-direction).
Rolling member 730 is arranged in magnet 420a both sides.
Yoke 420d is disposed with housing 110.As one, yoke 420d is by coil 420b and the second guide member 320
It is positioned over middle and is arranged face to face with magnet 420a.
Between yoke 420d and magnet 420a along perpendicular to the direction of optical axis direction (Z-direction) (as one, first
Direction (X-direction)) form gravitation.
Therefore, by means of the gravitation between yoke 420d and magnet 420a, rolling member 730 can be kept and carrier 210b
And the second contact condition between guide member 320.
In addition, yoke 420d also performs the function of making magnet 420a magnetic force by boundling.Accordingly, magnetic flux can be prevented
Leakage.
As one, yoke 420d and magnet 420a form magnetic circuit (Magnetic circuit).
Yoke 420d can be along the direction vertical with optical axis direction (Z-direction) and with being installed on the first camera lens module
The yoke 420d that the carrier 230b of 210 carrier 210b magnet 420a and the second camera lens module 230 is arranged with practising physiognomy.Only
But, the invention is not restricted to this, two yokes can also be disposed with.
The present invention is closed using the position on a kind of optical axis direction (Z-direction) for sensing and feeding back the first camera lens module 210
Ring control mode.
Therefore, need to be equipped with position sensor 420c to carry out closed-loop control.Position sensor 420c can be suddenly
That sensor, it can sense first by the change of the magnetic flux density of the magnetic line of force for the magnet 420a for being installed on carrier 210b
The position of camera lens module 210.Here, the position of the first camera lens module 210 can represent the position on optical axis direction (Z-direction).
Position sensor 420c can be arranged in coil 420b inner or outer side, and can be installed on the institute of coil 420
Mounted substrate 600.
In addition, position sensor 420c can be with the drive signal for Focussing to be supplied to coil 420b circuit
Element is integrally formed.Only, the invention is not restricted to this, position sensor 420c and circuit element are also implemented as with independence
Part be respectively provided.
If the power supply of camera model is opened, the first camera lens module 210 is sensed by position sensor 420c
Initial position (along the position of optical axis direction (Z-direction)).Moreover, the first camera lens module 210 moves from the initial position of sensing
To setting position.Here, the first camera lens module 210 when initial position can represent the power supply opening of camera model is in optical axis side
Position in (Z-direction), and setting position can be the first camera lens module 210 focal length for it is infinitely great when position.
By the drive signal of circuit element, the first camera lens module 210 moves in the second guide member 320 from setting position
Move to target location, so as to obtain the adjustment of focal length.
During Focussing, the first camera lens module 210 can advance and retreat (i.e., along optical axis direction (Z-direction)
The movement of twocouese can be carried out).
In addition, lens barrel 210a is removably incorporated into carrier 210b.Therefore, can be without inciting somebody to action when camera lens occurs bad
Camera model is integrally discarded, and only separates and change lens barrel 210a, therefore can reduce manufacturing process and cost.
Lens barrel 210a circumferencial direction of the exterior face along lens barrel 210a and be protrudedly formed multiple projections 211, and
And multiple projections 211 are arranged with being separated by.
In carrier 210b formed with the patchhole 213 for inserting lens barrel 210a, and patchhole 213 includes having relatively
First inside diameter 213a of less diameter and the second inside diameter 213b with relatively large diameter.
Therefore, in carrier 210b inside face, stage portion 213c is formed at the first inside diameter 213a and the second inside diameter
213b boundary.In addition, circumferencial directions of the stage portion 213c along carrier 210b and formed.
Lens barrel 210a is inserted in carrier 210b patchhole 213.As one, it is inserted in carrier 210b's in lens barrel 210a
During patchhole 213, lens barrel 210a multiple projections 211 are placed in carrier 210b stage portion 213c.
If lens barrel 210a multiple projections 211 are placed in carrier 210b stage portion 213c, make lens barrel 210a with light
Rotated centered on axle (Z axis).Therefore, lens barrel 210a multiple projections 211 move along stage portion 213c.
Here, carrier 210b inside face formed with the in rotary moving of multiple projections 211 for limiting lens barrel 210a
Access Division 213d, and lens barrel 210a multiple projections 211 carry out in rotary moving and are connected in card along stage portion 213c
Socket part 213d, accordingly, lens barrel 210a rotation are restricted.
If lens barrel 210a multiple projections 211 are connected in carrier 210b Access Division 213d, lens barrel 210a and carrier
210b is fixed by bonding agent.After the assembling of camera model is completed, the work such as resolution ratio inspection are carried out, if checked
As a result to be bad, then bonding agent can be removed and only changes lens barrel 210a.
Fig. 8 is the exploded perspective for showing multiple camera lens module and Focussing portions according to another embodiment of the present invention
Figure.
Reference picture 8, in addition to the second guide member 320' shape, Fig. 8 embodiment and above-mentioned Fig. 7 embodiment
It is identical, therefore omit the explanation in addition to the second guide member 320' shape.
In the embodiment in fig. 8, with Fig. 7 embodiment differently, a part for the second guide member 320' side is
Open shape.
As one, multiple magnets for jitter correction can be installed in the second guide member 320' three sides
410a, and in the second guide member 320' another side formed with opening portion 321, so that magnet 420a and coil 420b energy
It is enough to face directly with one another.
Such as Fig. 7 embodiment, the second guiding is being disposed between the magnet 420a of focal length and coil 420b for adjusting
In the case of part 320, the diminution of the size of camera model will be restricted.
Second guide member 320 is the part that (X-direction) and second direction (Y-direction) move along a first direction, therefore
For adjusting the space needed between the magnet 420a of focal length and coil 420b for moving the second guide member 320.
But such as Fig. 8 embodiment, tune is used in opening portion 321 to be formed to the second guide member 320' side
In the case that the magnet 420a and coil 420b of whole focal length are faced directly with one another, in the magnet 420a and coil for adjusting focal length
The space for moving the second guide member 320' is not necessarily formed between 420b.
Therefore, the size of camera model can be reduced, so as to meet the requirement of miniaturization.
Embodiment more than, multiple camera lens modules can be used according to the camera model of one embodiment of the invention,
And Focussing and image shake correction function can be applied in multiple camera lens modules, while by the small size of its camera lens module
Change, and the reliability for external impact etc. can be improved.
Above, it is illustrated on the basis of according to an embodiment of the invention and to the composition and feature of the present invention, but
Be the invention is not limited in this, the present invention belonging to those skilled in the art will be clearly understood that the present invention thought and
In the range of can realize various change or deformation, therefore, above-mentioned change or deformation belong in the range of claims.
Claims (16)
1. a kind of camera model, including：
Multiple camera lens modules, it is configured to shoot subject respectively；
Housing, house the multiple camera lens module；
Focussing portion, it is arranged in the housing, and is configured to make the multiple camera lens module separately along optical axis
Move in direction；And
Jitter correction portion, it is arranged in the housing, and is configured to make the multiple camera lens module together along perpendicular to described
First direction and the second direction movement of optical axis direction.
2. camera model as claimed in claim 1, wherein,
The first direction and the second direction are direction perpendicular to one another.
3. camera model as claimed in claim 1, in addition to：
At least one guide member, it is arranged in the housing, to guide the multiple camera lens module along the first direction
And the movement of the second direction.
4. camera model as claimed in claim 1, in addition to：The first guide member and second being arranged in the housing draw
Lead part,
Wherein, first guide member and second guide member be configured to the multiple camera lens module together along
The first direction movement,
Second guide member is configured to together move along the second direction with the multiple camera lens module.
5. camera model as claimed in claim 4, wherein, the jitter correction portion includes：
Multiple magnets, it is attached at second guide member；And
Multiple coils, it is arranged as facing with the multiple magnet.
6. camera model as claimed in claim 5, wherein,
Produce and draw along the optical axis direction for the multiple magnet equipped with yoke portion, the yoke portion in the housing
Power.
7. camera model as claimed in claim 4, wherein,
The first ball part is disposed between the housing and first guide member.
8. camera model as claimed in claim 7, wherein,
In at least one face in the housing and first guide member face facing with each other, formed with for housing
First guiding groove portion of first ball part, the first guiding groove portion make first ball part be merely able to along described first
Do rolling movement in direction.
9. camera model as claimed in claim 4, wherein,
The second ball part is disposed between first guide member and second guide member.
10. camera model as claimed in claim 9, wherein,
In at least one face in first guide member and second guide member face facing with each other, formed with
For house second ball part second guiding groove portion, this second guiding groove portion make second ball part be merely able to along
The second direction does rolling movement.
11. camera model as claimed in claim 4, wherein,
The multiple camera lens module is contained in second guide member, and relative to second guide member and respectively edge
The optical axis direction to be relatively moved.
12. camera model as claimed in claim 11, wherein,
It is disposed with and can be rolled along the optical axis direction between the multiple camera lens module and second guide member
The rolling member of motion.
13. camera model as claimed in claim 1, wherein, the Focussing portion includes：
Magnet, the multiple camera lens module is attached at respectively；And
Coil, it is arranged as facing with the magnet.
14. a kind of camera model, including：
It is contained in the first guide member and the second guide member of housing；
It is contained in the first camera lens module and the second camera lens module of second guide member；
Focussing portion, including magnet and the coil arranged face to face with the magnet, the magnet are attached at described respectively
First camera lens module and second camera lens module；And
Jitter correction portion, including be attached at multiple magnets of second guide member and with the multiple magnet face to face
Multiple coils of arrangement,
Wherein, first camera lens module and second camera lens module are configured to be respectively relative to second guide member
And relatively moved along optical axis direction,
First guide member, second guide member, first camera lens module and second camera lens module are by structure
As together being moved along the first direction perpendicular to the optical axis direction,
Second guide member, first camera lens module and second camera lens module are configured to together along second party
To movement, the second direction is both perpendicular to the optical axis direction and the first direction.
15. camera model as claimed in claim 14, wherein,
The housing equipped with：Yoke portion, for the multiple magnet for the jitter correction portion along the light
Direction of principal axis produces gravitation.
16. camera model as claimed in claim 14, wherein,
In the side of the housing formed with multiple opening portions,
The coil in the Focussing portion and the multiple coil in the jitter correction portion are arranged in the multiple opening
Portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2016-0106211 | 2016-08-22 | ||
| KR1020160106211A KR101813392B1 (en) | 2016-08-22 | 2016-08-22 | Camera module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107770418A true CN107770418A (en) | 2018-03-06 |
| CN107770418B CN107770418B (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720458672.6U Active CN206850893U (en) | 2016-08-22 | 2017-04-27 | Camera model |
| CN201710288046.1A Active CN107770418B (en) | 2016-08-22 | 2017-04-27 | Camera module |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720458672.6U Active CN206850893U (en) | 2016-08-22 | 2017-04-27 | Camera model |
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| Country | Link |
|---|---|
| KR (1) | KR101813392B1 (en) |
| CN (2) | CN206850893U (en) |
Cited By (3)
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| CN110994938A (en) * | 2019-12-16 | 2020-04-10 | 瑞声科技(新加坡)有限公司 | Double-frequency vibration motor |
| CN112887554A (en) * | 2021-01-22 | 2021-06-01 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| WO2023000199A1 (en) * | 2021-07-21 | 2023-01-26 | 深圳市大疆创新科技有限公司 | Photographing device having built-in gimbal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101813392B1 (en) * | 2016-08-22 | 2017-12-28 | 삼성전기주식회사 | Camera module |
| KR102506824B1 (en) * | 2018-08-13 | 2023-03-06 | 미니스뷔스 에스에이 | Lens driving device, camera module, and camera mounting device |
| US11269195B2 (en) * | 2019-03-28 | 2022-03-08 | Nidec Sankyo Corporation | Optical unit with shake correction function |
| CN113382139B (en) * | 2021-05-28 | 2022-09-06 | 南昌欧菲光电技术有限公司 | Driving device, camera module and electronic equipment |
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| CN112887554B (en) * | 2021-01-22 | 2023-04-07 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| WO2023000199A1 (en) * | 2021-07-21 | 2023-01-26 | 深圳市大疆创新科技有限公司 | Photographing device having built-in gimbal |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101813392B1 (en) | 2017-12-28 |
| CN107770418B (en) | 2021-03-16 |
| CN206850893U (en) | 2018-01-05 |
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