CN104270557A - Camera module - Google Patents
Camera module Download PDFInfo
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- CN104270557A CN104270557A CN201410525091.0A CN201410525091A CN104270557A CN 104270557 A CN104270557 A CN 104270557A CN 201410525091 A CN201410525091 A CN 201410525091A CN 104270557 A CN104270557 A CN 104270557A
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Abstract
The invention provides a camera module. The camera module comprises a camera lens, a motor, a base, a light-sensitive chip and a compensation circuit connected with the light-sensitive chip, wherein the camera lens comprises a lens cone and a lens body fixed to the inside of the lens cone; the motor comprises a first component and a second component, the camera lens can be embedded in the first component, and the first component can drive the camera lens to move along the second component; the base and the motor are mutually embedded, and the frame of the base and the second component constitute a frame surrounding the motor and the camera lens; the light-sensitive chip is used for capturing light rays passing the camera lens and enabling a picture to be formed, and the compensation circuit is used for analyzing the picture and compensating the picture by means of an edge image, and the second component can drive the first component and the camera lens to move and rotate in the base. According to the camera module, the camera lens inclination adjustment mode is easy and convenient to achieve, cost is low and accordingly wide application of the camera module is facilitated.
Description
Technical field
The present invention relates to electronic technology field, more particularly, relate to a kind of camera module.
Background technology
At present, the camera module of high pixel or large aperture is responsive especially in camera lens inclination, such as, when camera lens tilts serious, can cause the situation that the picture corner of shooting is fuzzy.Wherein, the gradient of camera lens refers to the included angle A between the central shaft of the camera lens 101 after assembling and sensitive chip 102 central shaft, and as shown in Figure 1a, included angle A is larger, and gradient is larger, and the quality of the picture of shooting is poorer.
In order to ensure the definition of the picture taken, as shown in Figure 1 b, need to ensure that camera lens 101 and sensitive chip 102 are parallel to each other, therefore, need to use special carrying equipment in the process of processing camera module, the definition at picture four angles of guarantee camera module shooting is consistent, but, this type of carrying equipment is expensive, and lift-launch efficiency is low.
Based on this, prior art proposes again a kind of camera module, the gradient of camera lens is controlled by increasing closed-loop control system on motor, avoid the situation that the picture corner of shooting is fuzzy, but, increasing closed-loop control system can cause the cost of motor and camera module higher, is unfavorable for the extensive use of camera module.
Summary of the invention
The invention provides a kind of camera module, high to solve the camera module cost by closed-loop control system adjustable lens gradient of the prior art, be unfavorable for the problem of camera module extensive use.
For achieving the above object, the invention provides following technical scheme:
A kind of camera module, comprising:
Camera lens, described camera lens comprises lens barrel and is fixed on the lens of described lens barrel inside;
Motor, described motor comprises first component and second component, and described first component inside can be fitted together to described camera lens, and described first component can drive described camera lens to move along described second component, to realize the focusing of camera module;
Pedestal, described pedestal is mutually chimeric with described motor, and the frame of described pedestal and described second component form the frame surrounding described motor and camera lens;
Sensitive chip and the compensating circuit be connected with described sensitive chip, described sensitive chip is for the light that catches through described camera lens and form picture, described compensating circuit is used for analyzing described picture, and utilize edge image to compensate described picture, to regulate the definition of described picture;
Wherein, described second component can drive described first component and lens moving to rotate in described pedestal, with the definition of the gradient and picture that regulate described camera lens.
Preferably, described second component can drive the side of described first component and camera lens to move up, and relative opposite side moves down, to regulate the gradient of described camera lens.
Preferably, also comprise:
Fixing glue, for being fixed on described camera lens in described pedestal.
Preferably, also comprise:
Flexible circuit board, for providing focusing voltage for described camera lens and motor.
Compared with prior art, technical scheme provided by the present invention has the following advantages:
Camera module provided by the present invention, motor comprises first component and second component, first component can drive camera lens to move along second component, to realize the focusing of camera module, and second component can drive first component and camera lens to rotate in pedestal, with the definition of the gradient of adjustable lens and picture, and, the present invention is analyzed picture by compensating circuit, and utilizes edge image to compensate described picture, thus further increases the definition of described picture.Camera module provided by the invention, the mode of adjustable lens gradient, simple and convenient, cost is lower, and the picture clarity of shooting is higher, therefore, is conducive to the extensive use of camera module.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 a ~ Fig. 1 b is the schematic diagram that camera lens gradient is described;
The plane structure chart of a kind of camera module that Fig. 2 provides for the embodiment of the present invention;
The plane structure chart of the motor of the chimeric camera lens that Fig. 3 provides for the embodiment of the present invention;
The construction profile of the motor of the chimeric camera lens that Fig. 4 provides for the embodiment of the present invention.
Embodiment
As described in background, camera module of the prior art, adds closed-loop control system, the cost of motor and camera module can be caused higher, be unfavorable for the extensive use of camera module.
Based on this, the invention provides a kind of camera module, to overcome the problems referred to above that prior art exists, comprising:
Camera lens, described camera lens comprises lens barrel and is fixed on the lens of described lens barrel inside;
Motor, described motor comprises first component and second component, and described first component inside can be fitted together to described camera lens, and described first component can drive described camera lens to move along described second component, to realize the focusing of camera module;
Sensitive chip and the compensating circuit be connected with described sensitive chip, described sensitive chip is for the light that catches through described camera lens and form picture, described compensating circuit is used for analyzing described picture, and utilize edge image to compensate described picture, to regulate the definition of described picture;
Pedestal, described pedestal is mutually chimeric with described motor, and the frame of described pedestal and described second component form the frame surrounding described motor and camera lens;
Wherein, described second component can drive described first component and lens moving to rotate in described pedestal, to regulate the gradient of described camera lens.
Camera module provided by the present invention, motor comprises first component and second component, first component can drive camera lens to move along second component, to realize the focusing of camera module, and second component can drive first component and camera lens to rotate in pedestal, with the definition of the gradient of adjustable lens and picture, and, the present invention is analyzed picture by compensating circuit, and utilizes edge image to compensate described picture, thus further increases the definition of described picture.Camera module provided by the invention, the mode of adjustable lens gradient, simple and convenient, cost is lower, and the picture clarity of shooting is higher, therefore, is conducive to the extensive use of camera module.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with schematic diagram, when describing the embodiment of the present invention in detail; for ease of explanation; the profile of indication device structure can be disobeyed general ratio and be made partial enlargement, and described schematic diagram is example, and it should not limit the scope of protection of the invention at this.In addition, the three-dimensional space of length, width and the degree of depth should be comprised in actual fabrication.
Present embodiments provide a kind of camera module, its plane graph as shown in Figure 2, comprises camera lens 20, motor 30 and pedestal 40, wherein, camera lens 20 comprises lens barrel and is fixed on the lens of described lens barrel inside, and described lens can be lens, can be the set of lenses of multiple lens composition.
As shown in Figures 2 and 3, motor 30 comprises first component 301 and second component 302, described first component 301 inside can be fitted together to described camera lens 20, and described first component 301 can drive described camera lens 20 to move along described second component 302, to realize the focusing of camera module.
Described pedestal 40 is mutually chimeric with described motor 30, and the frame of described pedestal 40 and described second component 302 form the frame surrounding described motor 30 and camera lens 20.As shown in Figure 2, pedestal 40 has the side 401,402 and 403 of three planes, and the base plane of the second component 302 of motor 30 is also plane, and the internal structure of pedestal 40 also matches with the external structure of the first component 301 of motor 30, therefore, pedestal 40 and motor 30 mutually be fitted together to and after combining, can form the square structure of encirclement motor 30 and camera lens 20.
As shown in Figure 4, the connecting portion (in figure region described in dotted line) of first component 301 and second component 302 is not fixing, but transportable, namely first component 301 can drive camera lens 20 to move in the direction of the arrow, to realize the focusing of camera module.Further, due to motor 30 and pedestal 40 combine time, have gap therebetween, therefore, second component 302 can drive first component 301 and camera lens 20 to rotate in pedestal 40, with the gradient of adjustable lens.
In addition, the camera module that the present embodiment provides also comprises: sensitive chip and the compensating circuit be connected with described sensitive chip.Wherein, described sensitive chip is preferably CCD (Charge Coupled Device, charge coupled device), and described sensitive chip for responding to the light catching and to incide through camera lens 20 on sensitive chip, and is taken into picture; Described compensating circuit has electronic flutter-proof function, accelerates shutter, and analyzes the picture of CCD photographs, then utilize edge image to compensate described picture, to regulate the definition of described picture while forcing to improve the photosensitive parameter of CCD.
The camera module that the present embodiment provides also comprises: flexible circuit board, for providing focusing voltage for camera lens and motor, and provides operating voltage for sensitive chip and compensating circuit.Wherein, motor is connected by electrode wires with flexible circuit board.Flexible circuit board is by electrode wires by after focusing voltage Signal transmissions to motor, and motor drives camera lens to corresponding focal position, to realize auto-focusing according to focusing voltage signal.
In addition, flexible circuit board is also for fixing sensitive chip and compensating circuit.Motor and camera lens are fixed in flexible circuit board by pedestal, and described camera lens and motor are positioned at the top of described sensitive chip, so that described sensitive chip can by the light line formed image by camera lens.
In the present embodiment, sensitive chip and compensating circuit are fixed in flexible circuit board, and therefore, its probability tilted is less, and more difficult adjustment, therefore, major programme of the present invention is the definition gradient of camera lens being regulated to the picture improving shooting.As shown in Figure 4, second component 302 can drive the side of first component 301 and camera lens 20 to move up, and relative opposite side moves down, with the gradient of adjustable lens.
Concrete adjustment process is: assembling camera lens 20, after sensitive chip and flexible circuit board etc., shooting test picture, and according to the definition of picture, the gradient of adjustment camera lens 20, as shown in Figure 4, rotatable second component 302, the A position of camera lens 20 is moved up, the B position of relative side moves down, or the C position of camera lens 20 is moved up, the D position of relative side moves down, rotate relative to sensitive chip to realize camera lens, then the definition of the picture again taken is passed through, whether parallelly judge between camera lens with sensitive chip, if picture clarity is higher, the two is parallel, now, can between motor 30 and pedestal 40 gluing, the position of fixed lens 20, camera lens 20 position fix after camera module be and eliminate camera lens gradient, the camera module that shooting quality is higher.Namely the camera module that provides of the present embodiment, also comprises: fixing glue, for being fixed in described pedestal by described camera lens.
The camera module that the present embodiment provides, motor comprises first component and second component, first component can drive camera lens to move along second component, to realize the focusing of camera module, and second component can drive first component and camera lens to rotate in pedestal, with the definition of the gradient of adjustable lens and picture, and, the present invention is analyzed picture by compensating circuit, and utilizes edge image to compensate described picture, thus further increases the definition of described picture.Camera module provided by the invention, the mode of adjustable lens gradient, simple and convenient, cost is lower, and the picture clarity of shooting is higher, therefore, is conducive to the extensive use of camera module.
Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (4)
1. a camera module, is characterized in that, comprising:
Camera lens, described camera lens comprises lens barrel and is fixed on the lens of described lens barrel inside;
Motor, described motor comprises first component and second component, and described first component inside can be fitted together to described camera lens, and described first component can drive described camera lens to move along described second component, to realize the focusing of camera module;
Pedestal, described pedestal is mutually chimeric with described motor, and the frame of described pedestal and described second component form the frame surrounding described motor and camera lens;
Sensitive chip and the compensating circuit be connected with described sensitive chip, described sensitive chip is for the light that catches through described camera lens and form picture, described compensating circuit is used for analyzing described picture, and utilize edge image to compensate described picture, to regulate the definition of described picture;
Wherein, described second component can drive described first component and lens moving to rotate in described pedestal, with the definition of the gradient and picture that regulate described camera lens.
2. camera module according to claim 1, is characterized in that, described second component can drive the side of described first component and camera lens to move up, and relative opposite side moves down, to regulate the gradient of described camera lens.
3. camera module according to claim 2, is characterized in that, also comprises:
Fixing glue, for being fixed on described camera lens in described pedestal.
4. camera module according to claim 3, is characterized in that, also comprises:
Flexible circuit board, for providing focusing voltage for described camera lens and motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525091.0A CN104270557B (en) | 2014-10-08 | 2014-10-08 | Camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525091.0A CN104270557B (en) | 2014-10-08 | 2014-10-08 | Camera module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104270557A true CN104270557A (en) | 2015-01-07 |
| CN104270557B CN104270557B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410525091.0A Active CN104270557B (en) | 2014-10-08 | 2014-10-08 | Camera module |
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| CN (1) | CN104270557B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527692A (en) * | 2016-02-17 | 2016-04-27 | 信利光电股份有限公司 | Lens group focusing method and focusing device |
| WO2017157154A1 (en) * | 2016-03-16 | 2017-09-21 | 中兴通讯股份有限公司 | Auto-focusing method and apparatus |
| CN110519508A (en) * | 2015-02-02 | 2019-11-29 | 宁波舜宇光电信息有限公司 | A method of identification feature object during camera module automatic aligning |
| CN112751957A (en) * | 2020-12-28 | 2021-05-04 | 维沃移动通信有限公司 | Electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006121258A (en) * | 2004-10-20 | 2006-05-11 | Auto Network Gijutsu Kenkyusho:Kk | Vehicle mounted camera system |
| CN101246250A (en) * | 2008-01-07 | 2008-08-20 | 北京思比科微电子技术有限公司 | Anti-shake focusing method and system |
| CN103855903A (en) * | 2014-03-18 | 2014-06-11 | 深圳市世尊科技有限公司 | Motor |
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2014
- 2014-10-08 CN CN201410525091.0A patent/CN104270557B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006121258A (en) * | 2004-10-20 | 2006-05-11 | Auto Network Gijutsu Kenkyusho:Kk | Vehicle mounted camera system |
| CN101246250A (en) * | 2008-01-07 | 2008-08-20 | 北京思比科微电子技术有限公司 | Anti-shake focusing method and system |
| CN103855903A (en) * | 2014-03-18 | 2014-06-11 | 深圳市世尊科技有限公司 | Motor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110519508A (en) * | 2015-02-02 | 2019-11-29 | 宁波舜宇光电信息有限公司 | A method of identification feature object during camera module automatic aligning |
| CN105527692A (en) * | 2016-02-17 | 2016-04-27 | 信利光电股份有限公司 | Lens group focusing method and focusing device |
| CN105527692B (en) * | 2016-02-17 | 2018-07-24 | 信利光电股份有限公司 | A kind of lens group focus adjustment method and focus control |
| WO2017157154A1 (en) * | 2016-03-16 | 2017-09-21 | 中兴通讯股份有限公司 | Auto-focusing method and apparatus |
| CN112751957A (en) * | 2020-12-28 | 2021-05-04 | 维沃移动通信有限公司 | Electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104270557B (en) | 2018-01-09 |
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