CN201508454U - Optical auto-focusing system based on camera module - Google Patents
Optical auto-focusing system based on camera module Download PDFInfo
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- CN201508454U CN201508454U CN2009202222608U CN200920222260U CN201508454U CN 201508454 U CN201508454 U CN 201508454U CN 2009202222608 U CN2009202222608 U CN 2009202222608U CN 200920222260 U CN200920222260 U CN 200920222260U CN 201508454 U CN201508454 U CN 201508454U
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Abstract
The utility model relates to an optical auto-focusing system based on a camera module, which comprises a camera module, a station turntable, a computer and a focusing equipment, wherein the camera module is fixed on the station turntable by a clamp, and the computer controls the focusing equipment to carry out the focusing processing for the camera module according to the digital image signals obtained by the camera module. The computer controls the focusing equipment to carry out the focusing processing for the camera module according to the digital image signals obtained by the camera module, and human eyes are not needed to judge whether the focusing is needed or not, thereby improving the degree of automation of the focusing of the optical system.
Description
Technical field
The utility model relates to Automatic Measurement Technique, especially a kind of optical automatic focusing system based on photographing module.
Background technology
Photographing module (CMOS Camera Module, be called for short: CCM) be the core devices that is used for portable picture pick-up device of new generation, compare with traditional camera system have miniaturization, advantage such as low-power consumption, low cost, high image quality, and in field widespread uses such as shooting mobile phone, videophone, automobile assistant driving, security monitorings.CCM is mainly by sensor (SENSOR), camera lens (LENS), and (Flexible Printed Circuit, be called for short: FPC), interface unit parts such as (CONNET) constitutes FPC.The CCM production run is except that paster, still based on manual fitting and manual testing at present.Because CCM output is huge, there are a large amount of handworks in assembling test work, causes product percent of pass low, and product quality is difficult to control, production cost height, problem such as manpower requirement is big.Therefore the problems referred to above are perplexing the sound development of CCM industry, improve the development level of China CCM industry, dwindle the gap with international most advanced level, and the automaticity that improves the CCM production run has become extremely urgent problem.
The utility model content
The purpose of this utility model is to provide a kind of optical automatic focusing system based on photographing module, improves the automaticity and the focusing accuracy of focusing.
The utility model provides a kind of optical automatic focusing system based on photographing module, comprising: photographing module, work position rotation table, computing machine, focusing mechanism; Described photographing module is fixed on the described work position rotation table by anchor clamps, and the data image signal that described computing machine gets access to according to described photographing module is controlled described focusing mechanism to the processing of focusing of described photographing module.
The optical automatic focusing system that the utility model provides based on photographing module, the data image signal control focusing mechanism that gets access to according to described photographing module by computing machine is to the photographing module processing of focusing, owing to do not need need to judge whether focusing, improved the automaticity of the focusing of optical system by human eye.
Description of drawings
Fig. 1 is the structural representation of the utility model based on an embodiment of optical automatic focusing system of photographing module;
Fig. 2 is the structural representation of the utility model based on another embodiment of optical automatic focusing system of photographing module;
Fig. 3 is an application structure synoptic diagram embodiment illustrated in fig. 2.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model based on an embodiment of optical automatic focusing system of photographing module, and as shown in Figure 1, the utility model comprises: photographing module 11, work position rotation table 12, computing machine 13, focusing mechanism 14; Wherein, photographing module 11 is fixed on the work position rotation table 12 by anchor clamps, 14 pairs of photographing modules 11 of data image signal control focusing mechanism that computing machine 13 gets access to according to photographing module 11 processing of focusing.
The optical automatic focusing system that the utility model provides based on photographing module, the 14 pairs of photographing modules 11 of data image signal control focusing mechanism that get access to according to photographing module 11 by computing machine 13 processing of focusing, owing to do not need need to judge whether focusing, improved the automaticity of the focusing of optical system by human eye.
Fig. 2 is the structural representation of the utility model based on another embodiment of optical automatic focusing system of photographing module, and as shown in Figure 2, present embodiment comprises: photographing module 21, work position rotation table 22, computing machine 23, focusing mechanism 24, collimator objective 25; Wherein, photographing module 21 is fixed on the work position rotation table 22 by anchor clamps, and collimator objective 25 is collimated into collimated light with the resolution pattern that computing machine 23 generates, and makes photographing module 21 obtain data image signal according to the collimated light that collimator objective 25 forms; 24 pairs of photographing modules 21 of data image signal control focusing mechanism that computing machine 23 gets access to according to photographing module 21 processing of focusing.
Further, computing machine 23 can also comprise: judge module 231 and control command sending module 232.Wherein, judge module 231 judges that whether the photosurface of the imageing sensor of photographing module 21 overlaps with the focal plane of the object lens of imageing sensor; If do not overlap, then control command sending module 232 sends and makes imageing sensor along the steering order that optical axis direction moves, and the photosurface of imageing sensor is overlapped with the focal plane of the object lens of imageing sensor; That collimator objective 25 generates computing machine and be collimated into the collimated light of setting field angle through the resolution pattern of projection screen projection, make photographing module 21 obtain data image signal according to collimated light.
Preferably, work position rotation table 22 can be four work position rotation tables.
The optical automatic focusing system that the utility model provides based on photographing module, whether the photosurface of judging the imageing sensor of photographing module 21 by judge module 231 overlaps with the focal plane of the object lens of imageing sensor, do not overlap, then control command sending module 232 sends the steering order that imageing sensor is moved along optical axis direction, the photosurface of imageing sensor is overlapped with the focal plane of the object lens of imageing sensor, owing to do not need need to judge whether focusing, improved the automaticity of the focusing of optical system by human eye.
Fig. 3 is an application structure synoptic diagram embodiment illustrated in fig. 2, as shown in Figure 3, and describe in conjunction with Fig. 2, the work position rotation table 32 of optical automatic focusing system of the present utility model is four stations, be arranged at intervals with four stations, be followed successively by first station, second station, the 3rd station; Before system works, be placed in tested photographing module 31 on first station of work position rotation table 32 by unit clamp, when work position rotation table 32 rotations 90 are spent to second station, photographing module 31 forwards focusing mechanism 34 positions to, photographing module 31 can receive the data image signal that is sent through parallel light tube by collimator objective 35, the data image signal that computing machine 33 generates according to photographing module 31 judges whether that needs are to photographing module 31 processing of focusing, it is clear that the data image signal that generates until photographing module 31 is shown as on the display of computing machine 33, then computing machine 33 sends the control command that stops to focus to focusing mechanism 34, focusing mechanism 34 stops action according to the control command that stops to focus, finish the automatic focusing of this photographing module 31, concrete, computing machine 33 comprises judge module and control command sending module; Whether the photosurface of judging the imageing sensor of photographing module 31 by judge module overlaps with the focal plane of the object lens of imageing sensor; If do not overlap, then computing machine 33 sends the steering order that the imageing sensor that makes 34 pairs of photographing modules 31 of focusing mechanism is focused and handled by the control command sending module, and the photosurface of imageing sensor is overlapped with the focal plane of the object lens of imageing sensor.
When work position rotation table 32 changes 90 degree again over to, photographing module 31 changes the 3rd station over to, then at the 3rd station place photographing module 31 being carried out a glue fixes, make the good focal length of being focused of this photographing module 31 to keep, photographing module 31 enters the 4th station then, at the 4th station photographing module 31 is rechecked and removal, thereby realized a working cycle.In the focusing process of above-mentioned photographing module 31,, so improved production efficiency effectively because the optical automatic focusing system among the utility model embodiment can be realized the continuous focusing of pipeline system to photographing module.In addition, finish automatically,, therefore improved the quality of product owing to there is not artificial participation owing in this system the automatic focusing of photographing module and some glue is, and make with batch the focal length of photographing module have higher consistance.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (4)
1. the optical automatic focusing system based on photographing module is characterized in that, comprising: photographing module, work position rotation table, computing machine, focusing mechanism; Described photographing module is fixed on the described work position rotation table by anchor clamps, and the data image signal that described computing machine gets access to according to described photographing module is controlled described focusing mechanism to the processing of focusing of described photographing module.
2. system according to claim 1 is characterized in that, described computing machine comprises: judge module and control command sending module;
Described judge module is used to judge that whether the photosurface of the imageing sensor of described photographing module overlaps with the focal plane of the object lens of described imageing sensor;
If do not overlap, then described control command sending module sends the steering order that makes described focusing mechanism focus and handle described imageing sensor, and the photosurface of described imageing sensor is overlapped with the focal plane of the object lens of described imageing sensor.
3. system according to claim 1 is characterized in that, also comprises: collimator objective, be used for the resolution pattern that computing machine generates is collimated into collimated light, and make described photographing module obtain data image signal according to the collimated light that described collimator objective forms.
4. according to the arbitrary described system of claim 1～3, it is characterized in that described work position rotation table is four work position rotation tables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202222608U CN201508454U (en) | 2009-09-01 | 2009-09-01 | Optical auto-focusing system based on camera module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202222608U CN201508454U (en) | 2009-09-01 | 2009-09-01 | Optical auto-focusing system based on camera module |
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| CN201508454U true CN201508454U (en) | 2010-06-16 |
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| CN2009202222608U Expired - Fee Related CN201508454U (en) | 2009-09-01 | 2009-09-01 | Optical auto-focusing system based on camera module |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644886B (en) * | 2009-09-01 | 2011-09-07 | 长春理工大学 | Optical automatic focusing method and system |
| CN102768463A (en) * | 2012-06-04 | 2012-11-07 | 长春理工大学 | Photoreceptor detection system |
| CN106375758A (en) * | 2016-11-25 | 2017-02-01 | 广州市欧图米腾智能设备有限公司 | Automatic intelligent focusing device of four-station high-end image collector |
| CN106878601A (en) * | 2017-03-30 | 2017-06-20 | 上海理工大学 | Vehicle-mounted wide-angle camera is focused and package system |
| CN106878603A (en) * | 2015-12-11 | 2017-06-20 | 东莞东聚电子电讯制品有限公司 | The connection version adjusting method of camera module in smart mobile phone |
| CN107026179A (en) * | 2016-02-01 | 2017-08-08 | 深圳市睿晟自动化技术有限公司 | The automatic alignment apparatus and method of a kind of imaging sensor part |
| CN107748428A (en) * | 2017-10-18 | 2018-03-02 | 歌尔股份有限公司 | Screen detects Atomatic focusing method and device |
-
2009
- 2009-09-01 CN CN2009202222608U patent/CN201508454U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644886B (en) * | 2009-09-01 | 2011-09-07 | 长春理工大学 | Optical automatic focusing method and system |
| CN102768463A (en) * | 2012-06-04 | 2012-11-07 | 长春理工大学 | Photoreceptor detection system |
| CN102768463B (en) * | 2012-06-04 | 2015-05-06 | 长春理工大学 | Photoreceptor detection system |
| CN106878603A (en) * | 2015-12-11 | 2017-06-20 | 东莞东聚电子电讯制品有限公司 | The connection version adjusting method of camera module in smart mobile phone |
| CN107026179A (en) * | 2016-02-01 | 2017-08-08 | 深圳市睿晟自动化技术有限公司 | The automatic alignment apparatus and method of a kind of imaging sensor part |
| CN107026179B (en) * | 2016-02-01 | 2018-08-10 | 深圳睿晟自动化技术有限公司 | A kind of automatic alignment apparatus and method of imaging sensor part |
| CN106375758A (en) * | 2016-11-25 | 2017-02-01 | 广州市欧图米腾智能设备有限公司 | Automatic intelligent focusing device of four-station high-end image collector |
| CN106878601A (en) * | 2017-03-30 | 2017-06-20 | 上海理工大学 | Vehicle-mounted wide-angle camera is focused and package system |
| CN107748428A (en) * | 2017-10-18 | 2018-03-02 | 歌尔股份有限公司 | Screen detects Atomatic focusing method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20160901 |