CN105915776A - DAC controlled focusing camera module - Google Patents
DAC controlled focusing camera module Download PDFInfo
- Publication number
- CN105915776A CN105915776A CN201610502616.8A CN201610502616A CN105915776A CN 105915776 A CN105915776 A CN 105915776A CN 201610502616 A CN201610502616 A CN 201610502616A CN 105915776 A CN105915776 A CN 105915776A
- Authority
- CN
- China
- Prior art keywords
- dac
- voice coil
- focusing
- lens
- coil motor
- 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
Classifications
-
- 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
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
Abstract
The invention discloses a DAC controlled focusing camera module, comprising a lens, a voice coil motor, a base, a filter, an image sensor, a gold thread and a circuit board, wherein the bottom of the base is fixedly installed on the circuit board, the voice coil motor is fixedly installed at the top of the base, the top of the voice coil motor is fixedly connected with the lens, a through hole coaxial with the lens is formed in the middle of the base, the filter is arranged above the through hole, the image sensor is arranged below the through hole, and the image sensor is fixedly installed on the circuit board and connected to an input circuit on the circuit board together with the gold thread. A focusing method for the DAC controlled focusing camera module comprises the steps of writing in a DAC value of a relation between the resolutions of the long shot and the close shot and the position of the voice coil motor, and writing the DAC value into a memory, thereby realizing automatic focusing. The production efficiency of the camera module is improved by simplifying the process flow links of packaging and testing.
Description
Technical field
The present invention relates to a kind of photographic head module, a kind of DAC controls the photographic head module of focusing.
Background technology
Traditional photographic head module uses has thread to coordinate voice coil motor and camera lens, esolving degree at distant view is confirmed by module after the package has been finalized by mechanical focusing technique, this is more complicated test technology, numerous manpowers is used to carry out operation of focusing, or use expensive automatization's focusing mechanism to carry out operation of focusing, but production efficiency is the lowest, then needs constantly to carry out with high investment, thus raised the production cost of photographic head module.
Mobile phone photograph is more and more welcomed by the people, and all kinds of photographic head modules produce the most therewith.Along with the extensive application of mobile phone camera module, product cost be it is also proposed higher requirement.So the most continuous sustained improvement, technology is continued to optimize and reduces cost, the higher requirement of client could be met.Thus optimize product structure, simplification of flowsheet, reduce production cost just become the task of top priority.
Summary of the invention
It is an object of the invention to provide a kind of DAC and control the photographic head module of focusing, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of DAC controls the photographic head module of focusing, including camera lens, voice coil motor, base, optical filter, image sensor, gold thread and wiring board, the bottom of described base fixedly mounts in the circuit board, the top fixed installation voice coil motor of base, connection lens is fixed at the top of voice coil motor, the middle part of described base is offered and the through hole of camera lens coaxial line, and through hole is provided above optical filter, the lower section of through hole arranges image sensor, and image sensor fixed installation in the circuit board and is same as the input circuit on gold thread connection line plate.
As the further scheme of the present invention: described voice coil motor fixes connection lens by binding agent.
As the further scheme of the present invention: described camera lens is mainly made up of lens barrel, lens and spacer ring, lens are fixedly connected on one end of lens barrel by spacer ring.
Focus adjustment method as the photographic head module of the further scheme of the present invention: DAC control focusing is: by the DAC value of the esolving degree at write distant view and at close shot with the position relationship of voice coil motor, and write by DAC value in bin, it is achieved auto-focusing control.
As the further scheme of the present invention: photographic head module determines being accurately positioned of camera lens and voice coil motor when structure designs.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is by simplifying the technological process link improving production efficiency of packaging and testing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structure sectional view of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1～2, in the embodiment of the present invention, a kind of DAC controls the photographic head module of focusing, including camera lens 1, voice coil motor 2, base 3, optical filter 4, image sensor 5, gold thread 6 and wiring board 7, the bottom of described base 3 is fixedly mounted on wiring board 7, the top fixed installation voice coil motor 2 of base 3, connection lens 1 is fixed by binding agent in the top of voice coil motor 2, make module without focusing technique, the middle part of described base 3 is offered and the through hole of camera lens 1 coaxial line, and through hole is provided above optical filter 4, the lower section of through hole arranges image sensor 5, image sensor 5 is fixedly mounted on wiring board 7 and is same as the input circuit on gold thread 6 connection line plate 7.
Described camera lens 1 is mainly made up of lens barrel, lens and spacer ring, lens are fixedly connected on one end of lens barrel by spacer ring, by voice coil motor 2 band moving lens barrel stretching motion, thus regulate the lens distance to image sensor 5, to realize focal length adjustment, the material of lens is glass or plastic cement.
DAC controls the focus adjustment method of photographic head module of focusing: photographic head module determines being accurately positioned of camera lens and voice coil motor when structure designs, DAC value by the esolving degree at write distant view and at close shot with the position relationship of voice coil motor, and DAC value is write in bin, transfer the DAC value in bin by control module and control voice coil motor 2 and work, realizing auto-focusing control, cell phone platform can directly transfer DAC value can realize automatic focusing function.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in the present invention.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (5)
1. the photographic head module of a DAC control focusing, including camera lens, voice coil motor, base, optical filter, image sensor, gold thread and wiring board, it is characterized in that, the bottom of described base fixedly mounts in the circuit board, the top fixed installation voice coil motor of base, connection lens is fixed at the top of voice coil motor, the middle part of described base is offered and the through hole of camera lens coaxial line, and through hole is provided above optical filter, the lower section of through hole arranges image sensor, and image sensor fixed installation in the circuit board and is same as the input circuit on gold thread connection line plate.
A kind of DAC the most according to claim 1 controls the photographic head module of focusing, it is characterised in that described voice coil motor fixes connection lens by binding agent.
A kind of DAC the most according to claim 1 controls the photographic head module of focusing, it is characterised in that described camera lens is mainly made up of lens barrel, lens and spacer ring, and lens are fixedly connected on one end of lens barrel by spacer ring.
A kind of DAC the most according to claim 1 controls the photographic head module of focusing, it is characterized in that, the focus adjustment method of the photographic head module that DAC controls focusing is: by the DAC value of the esolving degree at write distant view and at close shot with the position relationship of voice coil motor, and DAC value is write in bin, it is achieved auto-focusing controls.
A kind of DAC the most according to claim 1 controls the photographic head module of focusing, it is characterised in that photographic head module determines being accurately positioned of camera lens and voice coil motor when structure designs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502616.8A CN105915776A (en) | 2016-06-30 | 2016-06-30 | DAC controlled focusing camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502616.8A CN105915776A (en) | 2016-06-30 | 2016-06-30 | DAC controlled focusing camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105915776A true CN105915776A (en) | 2016-08-31 |
Family
ID=56753637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610502616.8A Pending CN105915776A (en) | 2016-06-30 | 2016-06-30 | DAC controlled focusing camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105915776A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106506929A (en) * | 2016-12-23 | 2017-03-15 | 维沃移动通信有限公司 | A kind of camera module and mobile terminal |
| CN109981938A (en) * | 2017-12-28 | 2019-07-05 | 广东欧珀移动通信有限公司 | A kind of camera module and its control method, electronic equipment, storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163617A (en) * | 2013-03-05 | 2013-06-19 | 南昌欧菲光电技术有限公司 | Lens module |
| CN103209306A (en) * | 2012-01-17 | 2013-07-17 | Lg伊诺特有限公司 | Camera Module, Auto Focus Method And Auto Focus Calibration Method |
| CN103402048A (en) * | 2013-07-30 | 2013-11-20 | 南昌欧菲光电技术有限公司 | Camera module, dust prevention and fixing method and installation method of camera module |
| CN105093473A (en) * | 2015-09-06 | 2015-11-25 | 南昌欧菲光电技术有限公司 | Camera module |
-
2016
- 2016-06-30 CN CN201610502616.8A patent/CN105915776A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103209306A (en) * | 2012-01-17 | 2013-07-17 | Lg伊诺特有限公司 | Camera Module, Auto Focus Method And Auto Focus Calibration Method |
| CN103163617A (en) * | 2013-03-05 | 2013-06-19 | 南昌欧菲光电技术有限公司 | Lens module |
| CN103402048A (en) * | 2013-07-30 | 2013-11-20 | 南昌欧菲光电技术有限公司 | Camera module, dust prevention and fixing method and installation method of camera module |
| CN105093473A (en) * | 2015-09-06 | 2015-11-25 | 南昌欧菲光电技术有限公司 | Camera module |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106506929A (en) * | 2016-12-23 | 2017-03-15 | 维沃移动通信有限公司 | A kind of camera module and mobile terminal |
| CN106506929B (en) * | 2016-12-23 | 2019-11-22 | 维沃移动通信有限公司 | A kind of camera module and mobile terminal |
| CN109981938A (en) * | 2017-12-28 | 2019-07-05 | 广东欧珀移动通信有限公司 | A kind of camera module and its control method, electronic equipment, storage medium |
| CN109981938B (en) * | 2017-12-28 | 2020-11-20 | Oppo广东移动通信有限公司 | Camera module, control method thereof, electronic device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9746634B2 (en) | Lens module | |
| CN103428413B (en) | For manufacturing equipment and the method for camera model | |
| US9746635B2 (en) | Lens module | |
| US9759886B2 (en) | Lens module | |
| CN105898113B (en) | Image collection module and its assemble method | |
| CN103246039A (en) | Focusing module and assembly process thereof | |
| CN106556919A (en) | Imagery optical system, image-taking device and electronic installation | |
| CN105915776A (en) | DAC controlled focusing camera module | |
| JP6816967B2 (en) | Imaging equipment and imaging equipment | |
| US20170139173A1 (en) | Lens Module | |
| CN102902039A (en) | Auto-focusing lens based on micro-electromechanical system | |
| CN102736361A (en) | Automatic focusing method | |
| CN103246038A (en) | Camera lens base and camera module | |
| CN203054328U (en) | Automatic focusing lens based on micro-electro-mechanical system | |
| CN203965705U (en) | A kind of lens focus adjusting gear | |
| CN2539201Y (en) | Automatic focusing mechanism for digital camera | |
| CN204143031U (en) | A kind of two magnet ring inching gear module | |
| CN201773213U (en) | Zooming system | |
| WO2022227846A1 (en) | Zoom lens and zoom camera module | |
| CN203811963U (en) | Camera shooting module group and camera device | |
| CN203232191U (en) | Focusing module | |
| CN205620602U (en) | Monitoring camera's structural stability hoisting device | |
| CN203811881U (en) | Voice coil motor for integratedly assembled lens | |
| CN209198742U (en) | A kind of lower elastic sheet damping structure of closed loop voice coil motor | |
| CN206946071U (en) | A kind of camera module of auto-focusing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |
|
| RJ01 | Rejection of invention patent application after publication |