CN106357990A - Dual-camera device with anti-vibration function - Google Patents
Dual-camera device with anti-vibration function Download PDFInfo
- Publication number
- CN106357990A CN106357990A CN201610749973.4A CN201610749973A CN106357990A CN 106357990 A CN106357990 A CN 106357990A CN 201610749973 A CN201610749973 A CN 201610749973A CN 106357990 A CN106357990 A CN 106357990A
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- Prior art keywords
- camera module
- camera
- vibration motor
- auto
- optical anti
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
-
- 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
-
- 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
- H04N23/60—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
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Adjustment Of Camera Lenses (AREA)
- Lens Barrels (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a dual-camera device with anti-shake function, comprising two camera modules with different fields of view, wherein the camera module with a smaller field of view is provided with an optical anti-vibration motor while the camera module with a larger field of view is provided with an auto-focus device which relies on the magnetic force to change the lens position. For the auto-focus device, a member generating the magnetic force is arranged on the side far away from the camera module with a smaller field of view. The dual-camera module optical zoom function and anti-vibration function of the camera module with a smaller field of view can be achieved by using the optical anti-vibration motor as the driver and the carrier to drive lens unit A to move along the direction of optical axis and using the auto-focus device as the driver and the carrier to drive lens unit B to move along the direction of optical axis. Besides, the members of these two camera modules for producing magnetic force are far apart from each other, and without increasing the distance between optical centers, the electromagnetic interference between these two cameras modules can be avoided effectively, so as to ensure the quality of images.
Description
Technical field
The present invention relates to a kind of Double-camera device, it is specifically related to a kind of Double-camera device of tool stabilization function.
Background technology
At present, the electronic installation such as mobile phone, notebook computer, panel computer is being risen and is being clapped using dual camera module simultaneously
Take the photograph the new technique of same object, the image that two camera modules shoot respectively also can be able to be mutually compensated for compositing 3 d images
To obtain the two dimensional image of high definition.
Traditional double camera module comprises two independent camera modules being installed on same circuit board.Each shooting
Head mould group include a lens unit, one as driver and carry the voice coil motor of corresponding lens unit, one be used for gathering
The circuit board for transmitting signal that the imageing sensor of taken image information and two camera modules share.Each
The critical piece of voice coil motor is coil, magnet and shell fragment, in the case of energising, produces electric current, thus generating one in coil
Determine the magnetic field of intensity, under the comprehensive function of the magnetic field that magnet produces and coil current Induced magnetic field, hot-wire coil is subject to Ampere force,
Focusing function, along optical axis direction, thus changing the distance between camera lens and imageing sensor, and then is realized, shooting figure in the direction of power
Picture.
At present, optical zoom be user for dual camera module camera function one of main appeal point, for this
User's demand, generally adopts in the industry the dual camera module of Radix Rumiciss+focal length.Camera lens thing using Radix Rumiciss and two photographic head of focal length
Reason characteristic, provides the user smoothness, high-quality optical zoom experience.But, focal length camera module is easily shaken, and is
This, focal length camera module needs to configure optical anti-vibration motor (ois motor), and when using ois motor, focal length camera module
Ois motor and the general motor of wide-angle camera module between at a distance of relatively near, there is electromagnetic interference, reduce image taking matter
Amount, apart from each other between the ois motor of focal length camera module and the general motor of wide-angle camera module, two will be led to take the photograph
As the photocentre between head mould group is away from lengthening, image overlap area reduces, unfavorable final image quality.
Content of the invention
In order to solve above-mentioned technical problem, the present invention proposes a kind of Double-camera device of tool stabilization function, it can be avoided that
Electromagnetic interference between focal length camera module and wide-angle camera module, and photocentre will not be made away from lengthening, thus ensureing image
Shooting quality.
The technical scheme is that and be achieved in that:
A kind of Double-camera device of tool stabilization function, including two camera modules with the different angles of visual field, has
The camera module relatively neglecting rink corner is configured with optical anti-vibration motor；The camera module configuration with larger field angle is reliable
Magnetic force change lens location auto-focusing device, this auto-focusing device produce magnetic force component be placed in less away from having
The side of the camera module of the angle of visual field.
Further, have relatively neglect rink corner camera module be focal length camera module, there is larger field angle
Camera module is wide-angle camera module.
Further, described auto-focusing device is ball-type closed loop motor.
Further, described optical anti-vibration motor is spring-piece type optical anti-vibration motor or ball-type optical anti-vibration motor.
Further, there is the area shared by the camera module at larger field angle and be more than 5mmx5mm.
Further, two camera modules pass through a floor installation on same circuit board, have and relatively neglect rink corner
Camera module include a lens unit a, one as driver and carry described lens unit a described optical anti-vibration motor and
One is used for gathering the imageing sensor a of taken image information；The camera module with larger field angle includes a mirror
Head unit b, one as driver and carry described lens unit b described auto-focusing device and be used for gathering taken
Image information imageing sensor b；Described image sensor a, described image sensor b spaced apart in described circuit board
On installed surface；It is formed with the accommodating opening a of corresponding described image sensor a and corresponding described image sensor in the middle part of described base
The accommodating opening b of b, the housing of described optical anti-vibration motor is fixed on described base at accommodating opening a, described auto-focusing device
The housing of part is fixed on described base at accommodating opening b.
Further, optical filter a is installed in described accommodating opening a, in described accommodating opening b, optical filter b is installed.
Further, the part described base being fixed the housing of described auto-focusing device is higher than fixing on described base
The part of the housing of described optical anti-vibration motor.
The invention has the beneficial effects as follows: the present invention provides a kind of Double-camera device of tool stabilization function, is prevented by optics
Trembling motor can drive its corresponding lens unit to move along optical axis direction as driver and supporting body, by auto-focusing device
Its corresponding lens unit is driven to move along optical axis direction as driver and supporting body, the optics of achievable dual camera module
Zoom function and preventing relatively neglects the function of the camera module shake of rink corner.Structure due to the generation magnetic force of autozoom device
Part, the such as Magnetitum of ball-type closed loop motor and coil are placed in away from the side with the camera module relatively neglecting rink corner,
Therefore, between two camera modules generation magnetic force component between apart from each other, do not increase photocentre away from the case of, can
To avoid the electromagnetic interference between two camera modules, thus ensureing image taking quality.
Brief description
Fig. 1 is perspective view of the present invention；
Fig. 2 is decomposition texture schematic diagram of the present invention；
Fig. 3 is plan structure diagram of the present invention；
Fig. 4 is Double-camera device magnetic induction line distribution schematic diagram of the present invention；
In conjunction with accompanying drawing, make the following instructions:
1- has the camera module relatively neglecting rink corner, 11- optical anti-vibration motor, 12- lens unit a, 13- image sensing
Device a, 14- optical filter a, 2- have the camera module at larger field angle, 21- auto-focusing device, 22- lens unit b, 23-
Imageing sensor b, 24- optical filter b, 3- circuit board, 4- base, 41- houses opening a, and 42- houses opening b, 5- Magnetitum a, 6- magnetic
Stone b, 7- magnetic induction line.
Specific embodiment
In order to be more clearly understood that the technology contents of the present invention, describe in detail especially exemplified by following examples, its purpose is only
It is to be best understood from present disclosure rather than limit the scope of the invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of Double-camera device of tool stabilization function, including having different visual fields
Two camera modules at angle, have and relatively neglect the camera module 1 of rink corner and be configured with optical anti-vibration motor 11；There is larger regarding
The camera module 2 of rink corner configures the auto-focusing device 21 that reliable magnetic force changes lens location, and this auto-focusing device produces
The component of magnetisation power is placed in away from the side with the camera module relatively neglecting rink corner.So, by arranging two differences
The camera module of the angle of visual field, camera module configuration optical anti-vibration motor (ois optical anti-vibration motor), another shooting
The configuration of head mould group relies on magnetic force to change the auto-focusing device of lens location, it can be avoided that focal length camera module and wide-angle imaging
Electromagnetic interference between head mould group, and photocentre will not be made away from lengthening, thus ensureing image taking quality.
Preferably, have relatively neglect rink corner camera module be focal length camera module, there is taking the photograph of larger field angle
As head mould group is wide-angle camera module.
Preferably, described auto-focusing device is ball-type closed loop motor.Vcm motor substantially can divide three classes from structure:
Spring-piece type structure, ball-type structure, friction-type structure, are functionally roughly divided into: open loop motor, closed loop motor, in put motor
Deng, here select ball-type closed loop motor, had ball-type motor and the advantage of closed loop motor concurrently, this be prior art, here
Repeat no more.
In other embodiments, auto-focusing device can also be following structure:
Auto-focusing device, including the housing being made up of lower cover and iron yoke, is arranged on the camera lens with camera lens in housing
Seat, is arranged on objective carrier lateral wall and is used for limiting a Magnetitum of the relative position between housing and objective carrier, setting is outside
Relative with a described Magnetitum coil on shell medial wall, coil and Magnetitum interact, and moment pushes away clockwise or counterclockwise for generation
Index glass headstock encloses and rotates on optical axis, also fixed guidance set on the lateral wall of objective carrier and the medial wall of housing, guidance set
When objective carrier rotates, limit objective carrier in the displacement of the plane perpendicular to optical axis, so that objective carrier is rotated around fixed optical axis
While move back and forth along this fixed optical axis.At least one also including being arranged on described lower cap upper surface is used for sensing Magnetitum
The control electricity that the hall sensor of position, the signal for receiving described hall sensor are controlled to coil current size
Road.
Lower cover includes the base plate with through hole and is arranged on vertical with base plate 2 mounting posts on base plate, two mounting posts it
Between form bayonet socket for fixed coil, on the side wall of objective carrier, the position corresponding with bayonet socket is provided with the peace for fixing Magnetitum
Tankage.
Guidance set includes: is arranged on first thread with optical axis as the center of circle for the multi-turn of the inner surface of mounting post, is arranged on
Multi-turn second thread threadeded with the first thread on the side wall of objective carrier, in the gap between the first thread and the second thread
It is provided with ball, and/or the first thread is contacted for minute surface with the contact portion of the second thread.
Preferably, described optical anti-vibration motor is spring-piece type optical anti-vibration motor or ball-type optical anti-vibration motor.
Preferably, there is the area shared by the camera module at larger field angle and be more than 5mmx5mm.
As a kind of Application Example of the present invention, two camera modules having the Double-camera device of stabilization function are led to
Cross a base 4 to be installed on same circuit board 3, have and relatively neglect the camera module of rink corner and include a lens unit a12, a work
The described optical anti-vibration motor 11 for driver and carrying described lens unit a and one is used for gathering taken image information
Imageing sensor a13；The camera module with larger field angle includes a lens unit b22, one as driver and holds
The described auto-focusing device 21 and one carrying described lens unit b is used for gathering the imageing sensor of taken image information
b23；On described image sensor a, the described image sensor b installed surface in described circuit board spaced apart；In described base
Portion is formed with the accommodating opening a41 of the corresponding described image sensor a and accommodating opening b42 of corresponding described image sensor b, institute
The housing stating optical anti-vibration motor is fixed on described base at accommodating opening a, and the housing of described auto-focusing device is fixed on
At accommodating opening b on described base.So, driver is used as by optical anti-vibration motor and supporting body can drive lens unit a
Move along optical axis direction, driver be used as by auto-focusing device and supporting body drives lens unit b to move along optical axis direction,
The optical zoom function of achievable dual camera module and preventing relatively neglects the function of the camera module shake of rink corner.Due to certainly
Dynamic zoom device produces the component of magnetic force, and the such as Magnetitum of ball-type closed loop motor and coil are placed in away from having compared with small field of view
The side of the camera module at angle, therefore, apart from each other between the component of two camera modules generation magnetic force, do not increasing light
The heart away from the case of, the electromagnetic interference between two camera modules can be avoided, thus ensureing image taking quality.
Referring to Fig. 4, Double-camera device magnetic induction line distribution schematic diagram, it can be seen that two photographic head are arranged on circuit
On plate, distance very close to can reach 5mm, but between the Magnetitum a5 of optical anti-vibration motor and the Magnetitum b6 of auto-focusing device apart
But farther out, in this manner it is possible to avoid the magnetic induction line 7 between them to interfere, cause to be magnetic between two camera modules
Interference, and will not increase photocentre between two camera modules away from.
Preferably, optical filter a14 is installed in described accommodating opening a, in described accommodating opening b, optical filter b24 is installed.
I.e. on optical filter and be located between lens unit and imageing sensor, generally it is mounted in accommodating opening in prominent land.
Preferably, the part described base being fixed the housing of described auto-focusing device is higher than to fix institute on described base
State the part of the housing of optical anti-vibration motor.I.e. base carries the part of auto-focusing device and base carries optical anti-vibration motor
Form a step between the part of housing, auto-focusing device top so can be made concordant with optical anti-vibration motor top or connect
Closely concordant.
Above example is referring to the drawings, to a preferred embodiment of the present invention will be described in detail.Those skilled in the art
Member by the modification on various forms or change are carried out to above-described embodiment, but without departing substantially from the essence of the present invention in the case of, all
Fall within the scope and spirit of the invention.
Claims (8)
1. a kind of Double-camera device of tool stabilization function it is characterised in that: include having two photographic head of the different angles of visual field
Module, has and relatively neglects the camera module (1) of rink corner and be configured with optical anti-vibration motor (11)；There is the shooting at larger field angle
The reliable magnetic force of head mould group (2) configuration changes the auto-focusing device (21) of lens location, and this auto-focusing device produces magnetic force
Component be placed in away from the side with the camera module relatively neglecting rink corner.
2. according to claim 1 tool stabilization function Double-camera device it is characterised in that: have and relatively neglect rink corner
Camera module is focal length camera module, and the camera module with larger field angle is wide-angle camera module.
3. according to claim 1 tool stabilization function Double-camera device it is characterised in that: described auto-focusing device
For ball-type closed loop motor.
4. according to claim 1 tool stabilization function Double-camera device it is characterised in that: described optical anti-vibration motor
For spring-piece type optical anti-vibration motor or ball-type optical anti-vibration motor.
5. according to claim 1 tool stabilization function Double-camera device it is characterised in that: there is larger field angle
Area shared by camera module is more than 5mmx5mm.
6. tool stabilization function according to claim 1 Double-camera device it is characterised in that: two camera modules are led to
Cross a base (4) to be installed on same circuit board (3), have and relatively neglect the camera module of rink corner and include a lens unit a
(12), one as driver and carry described lens unit a described optical anti-vibration motor (11) and be used for gathering captured
The imageing sensor a (13) of the image information arriving；Have larger field angle camera module include a lens unit b (22),
One as driver and carries the described auto-focusing device (21) and of described lens unit b for gathering taken figure
Imageing sensor b (23) as information；Described image sensor a, described image sensor b spaced apart in described circuit board
On installed surface；It is formed with the accommodating opening a (41) of corresponding described image sensor a in the middle part of described base and corresponding described image passes
The accommodating opening b (42) of sensor b, the housing of described optical anti-vibration motor is fixed on described base accommodating opening a place, described oneself
The housing of dynamic focusing device is fixed on described base at accommodating opening b.
7. according to claim 6 tool stabilization function Double-camera device it is characterised in that: in described accommodating opening a
Optical filter a (14) is installed, in described accommodating opening b, optical filter b (24) is installed.
8. according to claim 6 tool stabilization function Double-camera device it is characterised in that: institute is fixed on described base
The part stating the housing of auto-focusing device is higher than the part of the housing fixing described optical anti-vibration motor on described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610749973.4A CN106357990A (en) | 2016-08-29 | 2016-08-29 | Dual-camera device with anti-vibration function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610749973.4A CN106357990A (en) | 2016-08-29 | 2016-08-29 | Dual-camera device with anti-vibration function |
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| CN106357990A true CN106357990A (en) | 2017-01-25 |
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| CN201610749973.4A Pending CN106357990A (en) | 2016-08-29 | 2016-08-29 | Dual-camera device with anti-vibration function |
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Application publication date: 20170125 |