CN104270556A - Camera module - Google Patents
Camera module Download PDFInfo
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- CN104270556A CN104270556A CN201410525071.3A CN201410525071A CN104270556A CN 104270556 A CN104270556 A CN 104270556A CN 201410525071 A CN201410525071 A CN 201410525071A CN 104270556 A CN104270556 A CN 104270556A
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- camera lens
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Abstract
The invention provides a camera module. The camera module comprises a camera lens, a motor, 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 allows the camera lens to be embedded and can drive the camera lens to move so that focusing of the camera module can be achieved; the light-sensitive chip is used for capturing light rays entering 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 so that sharpness of the picture can be adjusted; a fixing strip is arranged on the outside of the camera lens, and the camera lens can be movably embedded in the inner side or the surface of a sleeve of the motor through the fixing strip so that inclination of the camera lens and the sharpness of the picture can be adjusted. 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;
Can be fitted together to the motor of described camera lens, described motor can drive described lens moving, to realize the focusing of camera module;
Sensitive chip and the compensating circuit be connected with described sensitive chip, described sensitive chip is for catching the light that enters described camera lens and forming 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, the outside of described lens barrel has fixed strip, and described camera lens is embedded in inside the sleeve of described motor or surface, to regulate the definition of the gradient of described camera lens and described picture by described fixed strip movably.
Preferably, when described camera lens is fitted together to inside the sleeve with described motor movably by described fixed strip, also there is holddown groove inside the sleeve of described motor, described fixed strip is embedded in described holddown groove, to make lens moving described in described motor driving, and between described fixed strip and described holddown groove, there is gap, to regulate the gradient of described camera lens.
Preferably, when described camera lens is fitted together to inside the sleeve with described motor movably by described fixed strip, described fixed strip can move up and down in described holddown groove, and drive the side of described camera lens to move up, the opposite side that described camera lens is relative moves down, to regulate the gradient of described camera lens.
Preferably, also comprise:
Fixing glue, for being fixed in described holddown groove by described fixed strip or described fixed strip being fixed on the surface of described motor sleeve.
Preferably, also comprise:
Flexible circuit board, for providing focusing voltage for described camera lens and motor.
Preferably, also comprise:
Pedestal, for described camera lens and motor are fixed on described flexible circuit board, and described camera lens and motor are positioned at the top of described sensitive chip.
Compared with prior art, technical scheme provided by the present invention has the following advantages:
Camera module provided by the present invention, the compensating circuit be connected with sensitive chip can be analyzed the picture taken, and utilizes edge image to compensate described picture, to regulate the definition of described picture; And, outside the lens barrel of camera lens, there is fixed strip, described camera lens is embedded in inside the sleeve of described motor or surface by described fixed strip movably, because described camera lens is embedded in inner side or the surface of motor sleeve movably, therefore, the definition of the gradient of described camera lens and described picture can be regulated.Camera module provided by the invention, the mode of adjustable lens gradient, simple and convenient, cost is lower, and the definition of the picture 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 one;
The tangent plane structure chart of a kind of camera module that Fig. 3 provides for the embodiment of the present invention one;
The tangent plane structure chart of a kind of camera module that Fig. 4 provides for the embodiment of the present invention two.
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;
Can be fitted together to the motor of described camera lens, described motor can drive described lens moving, to realize the focusing of camera module;
Sensitive chip and the compensating circuit be connected with described sensitive chip, described sensitive chip is for catching the light that enters described camera lens and forming 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, the outside of described lens barrel has fixed strip, described camera lens is embedded in inside the sleeve of described motor or surface, to regulate the definition of the gradient of described camera lens and described picture by described fixed strip movably.
Camera module provided by the present invention, the compensating circuit be connected with sensitive chip can be analyzed the picture taken, and utilizes edge image to compensate described picture, to regulate the definition of described picture; And, outside the lens barrel of camera lens, there is fixed strip, described camera lens is embedded in inside the sleeve of described motor or surface by described fixed strip movably, because described camera lens is embedded in inner side or the surface of motor sleeve movably, therefore, the definition of the gradient of described camera lens and described picture can be regulated.Camera module provided by the invention, the mode of adjustable lens gradient, simple and convenient, and cost is lower, 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.
Embodiment one
Present embodiments provide a kind of camera module, its plane graph as shown in Figure 2, comprises camera lens 20 and motor 30, 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.Motor 30 can be fitted together to described camera lens 20, and described camera lens 20 can be driven to move, to realize the focus function of this camera module.
In the present embodiment, the sectional drawing of camera module as shown in Figure 3, the outside of the lens barrel 201 of camera lens 20 has fixed strip 203, fixed strip 203 is serially around lens barrel 201 1 weeks, and that also can be interrupted is arranged at outside lens barrel 201 one circumferentially, no matter which kind of situation, fixed strip 203 is all that to be positioned at outside lens barrel 201 one cross section circumferentially, certainly, the particular location of fixed strip 203 can set according to actual conditions, and the present invention is not limited to this.
In addition, the camera module that the present embodiment provides also comprises: the compensating circuit that sensitive chip 40 is connected with sensitive chip 40, flexible circuit board and pedestal.Wherein, described sensitive chip 40 is preferably CCD (Charge Coupled Device, charge coupled device), and described sensitive chip 40 for responding to the light incided through camera lens 20 on sensitive chip 40, 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, as shown in Figure 3, inside the sleeve 31 of motor 30, there is holddown groove 310, this holddown groove 310 can embedded fixed strip 203, namely camera lens 20 is embedded in motor 30 inside by fixed strip 203 and holddown groove 310, and moves with motor 30, realizes the focusing of camera module.
Wherein, the height of holddown groove 310 and width are all greater than height and the width of fixed strip 203, namely have gap between fixed strip 203 and holddown groove 310, D1 and D2 as shown in Figure 3, therefore, can pass through mobile fixed strip 203, the gradient of adjustable lens 20.That is, fixed strip 203 can move up and down in holddown groove 310, and drive the side of camera lens 20 to move up, opposite side moves down, with the gradient of adjustable lens 20 with the sensitive chip 40 of bottom, that is, in the present embodiment, camera lens 20 is embedded in inside the sleeve 31 of motor 30, with the gradient of adjustable lens 20 by fixed strip 203 movably.
Wherein, the adjustment process of camera lens 20 gradient is: assembling camera lens 20, after sensitive chip 40 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 3, the B position of fixed strip 203 can be moved from the position being parallel to Y-axis toward the position being parallel to X-axis forward or negative sense, also fixed strip 203 can be moved from the position vertical with X-axis toward the position vertical with Z axis, rotate to realize camera lens 20 relative sleeve 31, eliminate the gradient of camera lens 20, namely the angle between camera lens 20 central shaft and sensitive chip 40 central shaft is eliminated, then the definition of the picture again taken is passed through, whether parallelly judge between camera lens 20 with sensitive chip 40, if picture clarity is higher, the two is parallel, now, can between fixed strip 203 and holddown groove 310 gluing, with the position of fixed lens 20.Namely the camera module that provides of the present embodiment, also comprises: fixing glue, for being fixed in described holddown groove by described fixed strip.
The camera module that the present embodiment provides, the compensating circuit be connected with sensitive chip can be analyzed the picture taken, and utilizes edge image to compensate described picture, to regulate the definition of described picture; And, have fixed strip outside the lens barrel of camera lens, have holddown groove inside the sleeve of motor, described fixed strip is embedded in described holddown groove, and between described fixed strip and described holddown groove, there is gap, to regulate the definition of the gradient of described camera lens and described picture.Camera module provided by the invention, regulates the definition of picture by compensating circuit and fixed strip and holddown groove, simple and convenient, and cost is lower, therefore, is conducive to the extensive use of camera module.
Embodiment two
The camera module that the present embodiment provides is substantially identical with the structure of the camera module that embodiment one provides, its difference is, do not have holddown groove inside the sleeve of motor, camera lens is the sleeve surface being embedded in motor by fixed strip movably, carrys out the gradient of adjustable lens.
The tangent plane structure chart of the camera module that the present embodiment provides, as shown in Figure 4, the fixed strip 203 of camera lens 20 is embedded on the sleeve 31 of motor movably, supports described camera lens 20 by the edge of sleeve 31.Because camera lens 20 is movable, therefore, can the gradient of adjustable lens 20 and the sensitive chip 40 of bottom.
The adjustment process of camera lens 20 gradient is: install camera lens 20, sensitive chip 40 and flexible circuit board etc., and shooting test picture, then according to the definition of picture, the gradient of adjustment camera lens 20, as shown in Figure 4, the C position of fixed strip 203 can be moved from the position being parallel to Y-axis toward the position being parallel to X-axis forward or negative sense, also fixed strip 203 can be moved from the position vertical with X-axis toward the position vertical with Z axis, to realize the rotation of camera lens 20 relative sleeve 31, eliminate the gradient of camera lens 20, namely the angle between camera lens 20 central shaft and sensitive chip 40 central shaft is eliminated, then the definition of the picture again taken is passed through, whether parallelly judge between camera lens 20 with sensitive chip 40, if picture clarity is higher, the two is parallel.
After camera lens 20 is parallel with sensitive chip 40, can between fixed strip 203 and sleeve 31 gluing, with the position of fixed lens 20 and gradient.Namely the camera module that provides of the present embodiment, also comprises: fixing glue, for described fixed strip being fixed on the surface of described motor sleeve.
The camera module that the present embodiment provides, the compensating circuit be connected with sensitive chip can be analyzed the picture taken, and utilizes edge image to compensate described picture, to regulate the definition of described picture; Further, have fixed strip outside the lens barrel of camera lens, camera lens is embedded in described motor sleeve surface by described fixed strip.Because described camera lens is embedded in the surface of motor sleeve movably, therefore, the definition of the gradient of described camera lens and described picture can be regulated.Camera module provided by the invention, regulates the definition of picture by compensating circuit and fixed strip, simple and convenient, and cost is lower, 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 (6)
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;
Can be fitted together to the motor of described camera lens, described motor can drive described lens moving, to realize the focusing of camera module;
Sensitive chip and the compensating circuit be connected with described sensitive chip, described sensitive chip is for catching the light that enters described camera lens and forming 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, the outside of described lens barrel has fixed strip, and described camera lens is embedded in inside the sleeve of described motor or surface, to regulate the definition of the gradient of described camera lens and described picture by described fixed strip movably.
2. camera module according to claim 1, it is characterized in that, when described camera lens is fitted together to inside the sleeve with described motor movably by described fixed strip, also there is holddown groove inside the sleeve of described motor, described fixed strip is embedded in described holddown groove, to make lens moving described in described motor driving, and between described fixed strip and described holddown groove, there is gap, to regulate the gradient of described camera lens.
3. camera module according to claim 2, it is characterized in that, when described camera lens is fitted together to inside the sleeve with described motor movably by described fixed strip, described fixed strip can move up and down in described holddown groove, and drive the side of described camera lens to move up, the opposite side that described camera lens is relative moves down, to regulate the gradient of described camera lens.
4. camera module according to claim 3, is characterized in that, also comprises:
Fixing glue, for being fixed in described holddown groove by described fixed strip or described fixed strip being fixed on the surface of described motor sleeve.
5. camera module according to claim 4, is characterized in that, also comprises:
Flexible circuit board, for providing focusing voltage for described camera lens and motor.
6. camera module according to claim 5, is characterized in that, also comprises:
Pedestal, for described camera lens and motor are fixed on described flexible circuit board, and described camera lens and motor are positioned at the top of described sensitive chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525071.3A CN104270556A (en) | 2014-10-08 | 2014-10-08 | Camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525071.3A CN104270556A (en) | 2014-10-08 | 2014-10-08 | Camera module |
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| CN104270556A true CN104270556A (en) | 2015-01-07 |
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| CN201410525071.3A Pending CN104270556A (en) | 2014-10-08 | 2014-10-08 | Camera module |
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| WO2015180148A1 (en) * | 2014-05-30 | 2015-12-03 | 爱佩仪光电技术（深圳）有限公司 | Debugging and application method for tilt compensation control of lens of auto-focus camera module |
| CN105763781A (en) * | 2016-04-12 | 2016-07-13 | 深圳市赋兴光电有限公司 | Camera production method |
| CN105842960A (en) * | 2015-01-13 | 2016-08-10 | 宁波舜宇光电信息有限公司 | Image module group, lens seat structure, and design method for lens seat structure |
| CN106488224A (en) * | 2016-10-21 | 2017-03-08 | 上海与德信息技术有限公司 | A kind of calibration steps of photographic head and calibrating installation |
| WO2017157154A1 (en) * | 2016-03-16 | 2017-09-21 | 中兴通讯股份有限公司 | Auto-focusing method and apparatus |
| CN108881736A (en) * | 2018-06-30 | 2018-11-23 | 浙江大华技术股份有限公司 | A kind of iris correction method and device |
| CN109660703A (en) * | 2017-10-12 | 2019-04-19 | 台湾东电化股份有限公司 | The correction method of optical facilities |
| 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 |
| WO2021243778A1 (en) * | 2020-06-01 | 2021-12-09 | 浙江舜宇智领技术有限公司 | Camera module and assembling method |
| CN114047162A (en) * | 2021-11-24 | 2022-02-15 | 维沃移动通信有限公司 | Electronic device |
| CN114500804A (en) * | 2022-01-24 | 2022-05-13 | 横店集团东磁有限公司 | Module suitable for learning tablet front shot picture and implementation method thereof |
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| CN114047162A (en) * | 2021-11-24 | 2022-02-15 | 维沃移动通信有限公司 | Electronic device |
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| CN114500804A (en) * | 2022-01-24 | 2022-05-13 | 横店集团东磁有限公司 | Module suitable for learning tablet front shot picture and implementation method thereof |
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Application publication date: 20150107 |