CN109839789A - Camera module - Google Patents
Camera module Download PDFInfo
- Publication number
- CN109839789A CN109839789A CN201711202298.4A CN201711202298A CN109839789A CN 109839789 A CN109839789 A CN 109839789A CN 201711202298 A CN201711202298 A CN 201711202298A CN 109839789 A CN109839789 A CN 109839789A
- Authority
- CN
- China
- Prior art keywords
- elastomeric element
- lens barrel
- shell
- camera module
- barrel module
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 230000005489 elastic deformation Effects 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Studio Devices (AREA)
Abstract
The present invention relates to a kind of camera modules, comprising: shell, lens barrel module, the elastomeric element between lens barrel module and shell；The elastomeric element occurs elastic deformation and provides radial pressure, in lens barrel module stationary state or when lens barrel module is slid axially along optical axis direction, reduces lens barrel module and radial deflection or vibration occurs.
Description
Technical field
The present invention relates to camera module technical field more particularly to a kind of voice coil motor structures of camera module.
Background technique
With the rapid development of the smart phone industry, requirement of the people to mobile phone camera imaging effect is also gradually mentioning
Height, compared with traditional camera system, mobile phone camera module (Cell phone Camera Module, CCM) because its miniaturization, it is low
The advantages that power consumption, low cost and high image quality and be widely used in various new generation portable camera equipments.
Currently, the structure of CCM includes lens unit, voice coil motor (Voice Coil Motor, VCM), infrared ray cut
Optical filter, sensor, flexible circuit board (Flexible Printed Circuit board, FPC) or printed circuit board
(Printed Circuit Board, PCB), and the connector being connect with cell phone mainboard.Wherein, VCM is for realizing camera lens list
The automatic focusing function of member, and VCM is usually made of magnet, coil, elastic slice and carrier, in the VCM course of work, gives coil first
It being powered, coil generates magnetic field after being powered, the magnetic fields generated in coil are in magnet, and coil is mobile under the action of electromagnetic force,
To drive the lens unit connecting with VCM mobile, image distance and object distance are adjusted, clearly image is presented.
Summary of the invention
Offset or vibration when it is an object of the invention to prevent the lens barrel module of camera module to be axially moved, raising are taken the photograph
As the auto-focusing performance of head mould group.
In order to solve the above technical problem, the present invention provides a kind of camera modules, comprising: shell, is located at lens barrel module
Elastomeric element between lens barrel module and shell；
The elastomeric element occurs elastic deformation and provides radial pressure, and in lens barrel module stationary state or lens barrel module is along optical axis
When direction is slid axially, reduces lens barrel module and radial deflection or vibration occurs.
In an embodiment wherein, the elastomeric element is located at the adjacent both sides of shell, the elastomeric element position
In connection structure on the inside of the shell or on the inside of shell or in the connection structure of the outer wall of lens barrel module or outer wall；The elastic portion
Part provides the radial pressure of first direction, the radial pressure of second direction respectively.
In an embodiment wherein, the elastomeric element provides radial pressure, the radial direction of second direction of first direction
The correspondence two sides of pressure are respectively arranged with slide unit, and the slide unit is located at the connection structure on the inside of shell or on the inside of shell
In the connection structure of upper or lens barrel module outer wall or outer wall；
The elasticity modulus of the slide unit is more than or equal to 2 times of elasticity modulus of elastomeric element.
In an embodiment wherein, the elastomeric element is located between the adjacent both sides of shell, the elastomeric element position
In connection structure on the inside of the shell or on the inside of shell or in the connection structure of the outer wall of lens barrel module or outer wall；The elastic portion
The radial pressure of part offer third direction.
In an embodiment wherein, the correspondence side that the elastomeric element provides the radial pressure of third direction is provided with
Slide unit, the slide unit is located in the connection structure on the inside of shell or on the inside of shell or the outer wall or outer wall of lens barrel module
Connection structure on；
The elasticity modulus of the slide unit is more than or equal to 2 times of elasticity modulus of elastomeric element.
In an embodiment wherein, the elastomeric element is elastic beam structure.
In an embodiment wherein, the slide unit is set on the downside of the horizontal direction of elastomeric element.
In an embodiment wherein, there is contact area, the contact zone between the lens barrel module and cover top portion
Domain is located at the upside of elastomeric element horizontal direction.
In an embodiment wherein, the elastomeric element is provided with mounting portion, and elastomeric element is assemblied in mirror by mounting portion
Cylinder mould block.
In an embodiment wherein, the mounting portion is the buckle structure protruded from the inside of lens barrel module, described in folding
Buckle structure assembles elastomeric element in lens barrel module.
In an embodiment wherein, the shell is equipped with opening, and ventilated membrane is arranged in the open area Yu Suoshu.
In an embodiment wherein, the top of the lens barrel module is provided with dustproof membrane, prevents foreign from entering and takes the photograph
As head module internal.
Compared with the existing technology, camera module has the advantages that in the present invention
In the present invention, elastomeric element is set between lens barrel module and shell, the elastomeric element occurs elastic deformation and provides diameter
To pressure, in lens barrel module stationary state or when lens barrel module is slid axially along optical axis direction, lens barrel module hair is reduced
Raw radial deflection or vibration.
Detailed description of the invention
Fig. 1 is the schematic top plan view of voice coil motor structure in one embodiment of the invention;
Fig. 2 is the schematic diagram of voice coil motor structure in one embodiment of the invention；
Fig. 3 is the schematic diagram of elastomeric element and slide unit in one embodiment of the invention；
Fig. 4 is the schematic diagram of dustproof membrane in one embodiment of the invention.
Specific embodiment
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention.But the present invention can be with
Much it is different from other way described herein to implement, those skilled in the art can be without prejudice to intension of the present invention the case where
Under do similar popularization, therefore the present invention is not limited to the specific embodiments disclosed below.
Secondly, the present invention is described in detail using schematic diagram, when describing the embodiments of the present invention, for purposes of illustration only, institute
Stating schematic diagram is example, should not limit the scope of protection of the invention herein.
To make the above purposes, features and advantages of the invention more obvious and understandable, below in conjunction with attached drawing to the present invention
Camera module be described in detail.
With reference to shown in Fig. 1, Fig. 2, camera module of the invention includes: shell 10, the lens barrel mould inside shell 10
Block 20, the elastomeric element 30 between lens barrel module 20 and shell 10；The elastomeric element 30 occurs elastic deformation and provides diameter
To pressure, in lens barrel 20 stationary state of module or when lens barrel module 20 is slid axially along optical axis direction (Z-direction), reduce
Radial direction (plane where XY) offset or vibration occur for lens barrel module 10.
In one embodiment of this invention, the shell 10 forms cube structure, and camera module includes two elasticity
Component 30, and the elastomeric element 30 is located at the adjacent both sides of shell 10, the elastomeric element 30 is located at 10 inside of shell
Or in the connection structure of the inside of shell 10 or in the connection structure of the outer wall of lens barrel module 20 or outer wall, the elastomeric element 30 divides
Indescribably for the radial pressure of first direction (X-direction), the radial pressure of second direction (Y-direction), first direction and second direction
It vertically, certainly, can also be in an acute angle between first direction and second direction in the other embodiment of the present invention, the present invention is not
As limit.The elastomeric element 30 provides the correspondence two sides point of the radial pressure of first direction, the radial pressure of second direction
It is not provided with slide unit 40, i.e., the described slide unit 40 is located at the adjacent side of 10 another two of shell, also, slides
Not in same level, the slide unit 40 is set on the downside of 30 horizontal direction, described for component 40 and elastomeric element 30
Slide unit 40 is located in the connection structure of 10 inside of 10 inside of shell or shell or the company of the outer wall of lens barrel module 20 or outer wall
On binding structure.Wherein, the elasticity modulus of the slide unit 40 is more than or equal to 2 times of elasticity modulus of elastomeric element, such as 3 times, 4
Again, 5 times, 8 times, 10 times, and preferably 4 times.
Further, in the present embodiment, four sides of the shell 10 of camera module are provided with elastomeric element, adjacent
A pair of of elastomeric element elasticity modulus it is identical and different from the adjacent elasticity modulus of another pair elastomeric element, elasticity modulus
The corresponding radial force for applying first direction, second direction respectively of small a pair of of elastomeric element, big a pair of of the elastic portion of elasticity modulus
Part correspondence is connect with slide unit respectively.For the ease of the sliding of lens barrel module, small a pair of of the elastomeric element of elasticity modulus is simultaneously
It is correspondingly arranged on slide unit, the elasticity modulus of the slide unit is more than or equal to 2 times of elasticity modulus of elastomeric element.With reference to Fig. 3
Shown, the elastomeric element 30 is elastic beam structure, and slide unit 40 has protruding portion, and elastomeric element 30 is pressed against slide unit
On 40 protruding portion, and it can be slided along protruding portion.In addition, being coated with metal layer, elastomeric element and cunning at least one slide unit
Drive member contacts provide electric current on slide unit, for the coil power supply in lens barrel module.In elastomeric element first direction
Radial force, second direction radial force force action under, and the elasticity modulus of elastomeric element 30 is different, so that lens barrel module is pressed against
In on slide unit, fixed lens barrel module, deviates or vibrates to avoid generating in axial movement in radial directions.
In another embodiment of the invention, the elastomeric element 30 is located between the adjacent both sides of shell, i.e. X-direction, Y
Diagonally adjacent such as shell cube structure between direction, the elastomeric element 30 is located at 10 inside of shell or shell 10
In the connection structure of inside or in the connection structure of the outer wall of lens barrel module 20 or outer wall, the elastomeric element 30 provides third party
To radial pressure.The correspondence side that the elastomeric element 30 provides the radial pressure of third direction is provided with slide unit 40,
The i.e. described slide unit 40 is located at the opposite other side of 10 diagonal line of shell, also, slide unit 40 and elastomeric element 30
Not in same level, the slide unit 40 is set on the downside of 30 horizontal direction, and the slide unit 40 is located at shell
In the connection structure of 10 insides or the inside of shell 10 or in the connection structure of the outer wall of lens barrel module 20 or outer wall, the sliding part
The elasticity modulus of part 40 is more than or equal to 2 times of elasticity modulus of elastomeric element 30, such as 3 times, 4 times, 5 times, 8 times, 10 times, and preferably
It is 4 times.
In the present embodiment, the other side opposite with elastomeric element also has another elastomeric element, and another elastomeric element
Elasticity modulus be greater than the elastomeric element.Refering to what is shown in Fig. 3, the elastomeric element 30 is elastic beam structure, slide unit 40 has
There is protruding portion, which is pressed against on the protruding portion of slide unit 40, and can slide along protruding portion.In third direction
Under the action of radial force, and the elasticity modulus of elastomeric element is different, so that lens barrel module 20 is pressed against on slide unit, to keep away
Exempt to generate offset or vibration in axial movement.
Further, there is contact area between 10 top of the lens barrel module 20 and shell, the contact area is located at
The upside of 30 horizontal direction of elastomeric element.(do not show in figure specifically, the inner wall at 10 top of shell goes out to be pasted with elastic membrane
Out), lens barrel module 20 axially movable during, lens barrel module 20 with the part elastic membrane contact to form contact area,
There is gap between other regions and lens barrel module 20 of elastic membrane, slided convenient for lens barrel module 20.Elastomeric element 30, sliding part
Part 40, contact area form triangular structure not in same level, so that 20 stress of lens barrel module is more balanced, it is sliding
Stability during dynamic is more preferable.
With continued reference to shown in Fig. 3, the elastomeric element 30 is provided with mounting portion, and elastomeric element 30 is assemblied in mirror by mounting portion
Cylinder mould block 20.Refering to what is shown in Fig. 2, the mounting portion is the buckle structure for protruding from 30 inside of lens barrel module, the buckle is folded
Standard elastomeric element 30 is in lens barrel module 20.
In one embodiment of this invention, the shell 10 is equipped with opening, and ventilated membrane is arranged in the open area Yu Suoshu.
In one embodiment of this invention, refering to what is shown in Fig. 4, Fig. 4 is diagrammatic cross-section of the Fig. 1 along the direction AA ', the mirror
The top of cylinder mould block 20 is provided with dustproof membrane 50, and dustproof membrane 50 is for foreign during preventing lens barrel module 20 from sliding up and down
Into inside camera module.
In conclusion camera module of the invention, is arranged elastomeric element, the elasticity between lens barrel module and shell
Component occurs elastic deformation and provides radial pressure, and in lens barrel module stationary state or lens barrel module carries out axially along optical axis direction
When sliding, reduces lens barrel module and radial deflection or vibration occurs, improve the imaging performance of mould group.
Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair
Bright technical solution makes possible variation and modification, therefore, anything that does not depart from the technical scheme of the invention, and according to the present invention
Technical spirit any simple modifications, equivalents, and modifications to the above embodiments, belong to technical solution of the present invention
Protection scope.
Claims (12)
1. a kind of camera module characterized by comprising shell, lens barrel module, the bullet between lens barrel module and shell
Property component；
The elastomeric element occurs elastic deformation and provides radial pressure, and in lens barrel module stationary state or lens barrel module is along optical axis
When direction is slid axially, reduces lens barrel module and radial deflection or vibration occurs.
2. camera module according to claim 1, which is characterized in that it is adjacent that the elastomeric element is located at shell
Both sides, the elastomeric element is located in the connection structure on the inside of shell or on the inside of shell or the company of the outer wall of lens barrel module or outer wall
On binding structure；The elastomeric element provides the radial pressure of first direction, the radial pressure of second direction respectively.
3. camera module according to claim 2, which is characterized in that the elastomeric element provides the radial direction of first direction
Pressure, the radial pressure of second direction correspondence two sides be respectively arranged with slide unit, the slide unit is located on the inside of shell
Or in the connection structure on the inside of shell or in the connection structure of the outer wall of lens barrel module or outer wall；
The elasticity modulus of the slide unit is more than or equal to 2 times of elasticity modulus of elastomeric element.
4. camera module according to claim 1, which is characterized in that the elastomeric element is located at the adjacent both sides of shell
Between, the elastomeric element is located in the connection structure on the inside of shell or on the inside of shell or the company of the outer wall of lens barrel module or outer wall
On binding structure；The elastomeric element provides the radial pressure of third direction.
5. camera module according to claim 4, which is characterized in that the elastomeric element provides the radial direction of third direction
The correspondence side of pressure is provided with slide unit, the slide unit be located in the connection structure on the inside of shell or on the inside of shell or
On the outer wall of lens barrel module or the connection structure of outer wall；
The elasticity modulus of the slide unit is more than or equal to 2 times of elasticity modulus of elastomeric element.
6. camera module according to claim 1 or 2 or 4, which is characterized in that the elastomeric element is spring beam knot
Structure.
7. the camera module according to claim 3 or 5, which is characterized in that the slide unit is set to elastomeric element
Horizontal direction on the downside of.
8. camera module according to claim 1, which is characterized in that have between the lens barrel module and cover top portion
Contact area, the contact area are located at the upside of elastomeric element horizontal direction.
9. camera module according to claim 1, which is characterized in that the elastomeric element is provided with mounting portion, elasticity
Component is assemblied in lens barrel module by mounting portion.
10. camera module according to claim 9, which is characterized in that the mounting portion is to protrude from lens barrel module
The buckle structure of side folds the buckle structure assembly elastomeric element in lens barrel module.
11. camera module according to claim 1, which is characterized in that the shell is equipped with opening, the open region Yu Suoshu
Ventilated membrane is arranged in domain.
12. camera module according to claim 1, which is characterized in that the top of the lens barrel module is provided with dust-proof
Film prevents foreign from entering inside camera module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202298.4A CN109839789A (en) | 2017-11-27 | 2017-11-27 | Camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202298.4A CN109839789A (en) | 2017-11-27 | 2017-11-27 | Camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109839789A true CN109839789A (en) | 2019-06-04 |
Family
ID=66879898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711202298.4A Pending CN109839789A (en) | 2017-11-27 | 2017-11-27 | Camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109839789A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112188038A (en) * | 2019-07-01 | 2021-01-05 | 格科微电子（上海）有限公司 | Method for improving assembling precision of camera module |
| CN114326001A (en) * | 2020-09-29 | 2022-04-12 | 宁波舜宇光电信息有限公司 | Lens fixing structure for optical actuator and corresponding camera module |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200949410A (en) * | 2008-05-30 | 2009-12-01 | Foxconn Tech Co Ltd | Lens unit of camera module |
| CN102455476A (en) * | 2010-10-28 | 2012-05-16 | 鸿富锦精密工业（深圳）有限公司 | Lens stand and lens module with same |
| TW201310109A (en) * | 2011-08-18 | 2013-03-01 | Tdk Taiwan Corp | Piezoelectric driving module for lens |
| CN103076707A (en) * | 2013-01-16 | 2013-05-01 | 格科微电子（上海）有限公司 | Implementation method of step motion of camera module lens barrel, module and portable equipment |
| CN104267480A (en) * | 2014-09-23 | 2015-01-07 | 格科微电子（上海）有限公司 | Control method used for camera module and camera module |
| CN104428711A (en) * | 2012-07-09 | 2015-03-18 | Lg伊诺特有限公司 | Camera module |
| CN104885347A (en) * | 2012-12-14 | 2015-09-02 | Lg伊诺特有限公司 | Lens driving actuator |
| CN106707659A (en) * | 2015-07-17 | 2017-05-24 | 三鸣科技(香港)有限公司 | Mini lens drive device and electronic image capturing device |
| CN207704175U (en) * | 2017-11-27 | 2018-08-07 | 格科微电子（上海）有限公司 | Camera module |
-
2017
- 2017-11-27 CN CN201711202298.4A patent/CN109839789A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200949410A (en) * | 2008-05-30 | 2009-12-01 | Foxconn Tech Co Ltd | Lens unit of camera module |
| CN102455476A (en) * | 2010-10-28 | 2012-05-16 | 鸿富锦精密工业（深圳）有限公司 | Lens stand and lens module with same |
| TW201310109A (en) * | 2011-08-18 | 2013-03-01 | Tdk Taiwan Corp | Piezoelectric driving module for lens |
| CN104428711A (en) * | 2012-07-09 | 2015-03-18 | Lg伊诺特有限公司 | Camera module |
| CN104885347A (en) * | 2012-12-14 | 2015-09-02 | Lg伊诺特有限公司 | Lens driving actuator |
| CN103076707A (en) * | 2013-01-16 | 2013-05-01 | 格科微电子（上海）有限公司 | Implementation method of step motion of camera module lens barrel, module and portable equipment |
| CN104267480A (en) * | 2014-09-23 | 2015-01-07 | 格科微电子（上海）有限公司 | Control method used for camera module and camera module |
| CN106707659A (en) * | 2015-07-17 | 2017-05-24 | 三鸣科技(香港)有限公司 | Mini lens drive device and electronic image capturing device |
| CN207704175U (en) * | 2017-11-27 | 2018-08-07 | 格科微电子（上海）有限公司 | Camera module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112188038A (en) * | 2019-07-01 | 2021-01-05 | 格科微电子（上海）有限公司 | Method for improving assembling precision of camera module |
| CN114326001A (en) * | 2020-09-29 | 2022-04-12 | 宁波舜宇光电信息有限公司 | Lens fixing structure for optical actuator and corresponding camera module |
| CN114326001B (en) * | 2020-09-29 | 2023-06-09 | 宁波舜宇光电信息有限公司 | Lens fixing structure for optical actuator and corresponding camera module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102485459B1 (en) | Camera module | |
| KR102370739B1 (en) | Lens Drive Device, Camera Module, and Terminal with Camera | |
| CN208314299U (en) | Optical facilities and its lens module | |
| KR102433700B1 (en) | Lens driving device, camera module, and camera mount device | |
| CN212183604U (en) | Anti-shake subassembly, module and electronic equipment of making a video recording | |
| CN110248068A (en) | Camera module and mobile terminal | |
| EP3633447B1 (en) | Lens driving device, camera module and optical device | |
| KR102498382B1 (en) | Lens driving device and camera module | |
| CN207704175U (en) | Camera module | |
| KR20220141770A (en) | Lens driving unit and camera module including the same | |
| CN109839789A (en) | Camera module | |
| CN113630528A (en) | Anti-shake subassembly, module and electronic equipment of making a video recording | |
| KR102652995B1 (en) | Lens driving apparatus, and camera module and mobile device including the same | |
| US20120169988A1 (en) | Camera module | |
| KR102522630B1 (en) | Lens moving unit and camera module including the same | |
| KR20230006430A (en) | Lens driving unit and camera module including the same | |
| CN108345081B (en) | Supporting mechanism | |
| KR102458713B1 (en) | Lens driving unit and camera module including the same | |
| KR20220132518A (en) | Camera module and mobile device including the same | |
| CN214228341U (en) | Optical anti-shake camera module | |
| KR102392579B1 (en) | Lens driving unit and camera module including the same | |
| CN115706503A (en) | Motor assembly for driving lens assembly and camera module | |
| CN110456592A (en) | Camera module | |
| WO2022126570A1 (en) | Power supply to movable aperture unit | |
| US11099349B2 (en) | Optical driving mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |