CN101097398A - Lens testing device and method - Google Patents
Lens testing device and method Download PDFInfo
- Publication number
- CN101097398A CN101097398A CNA2006100614333A CN200610061433A CN101097398A CN 101097398 A CN101097398 A CN 101097398A CN A2006100614333 A CNA2006100614333 A CN A2006100614333A CN 200610061433 A CN200610061433 A CN 200610061433A CN 101097398 A CN101097398 A CN 101097398A
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- camera lens
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Abstract
The invention provides a lens testing device which includes: an image sensor; a light source module which is used to provide test stripe pattern needed by test lens; a test platform is between image sensor and light source module; an image picking up device; and a data process device. Said image picking up device is used to pick pattern of lens of platform before lens to judge whether the lens are placed well, said data processing device is separately connected with said image sensor and image picking up device. Said lens testing device can avoid damage of image or lens induced by collision between sensor and lens. Besides, the invention also provides a lens test method.
Description
Technical field
The present invention relates to the camera lens processing procedure, relate in particular to a kind of lens test device and method.
Background technology
Along with development of multimedia technology, digital camera, video camera and the mobile phone that has a camera are favored by consumers in general more and more, when the quality of image of people's logarithmic code camera, video camera and mobile phone cam shot object proposed requirements at the higher level, logarithmic code camera, video camera and the product consumptions such as mobile phone that have a camera were also increasing.
In the first-class camera of digital camera, video camera and cell-phone camera, camera lens is indispensable parts.The quality of image of digital camera, video camera and mobile phone cam shot object depends primarily on the image quality of camera lens.For the manufacturing of camera lens, lens imaging quality requirements and the program of checking on are the test process of camera lens.
Traditional camera lens because the back focal length of camera lens is longer, need not go especially to confirm whether image sensor can strike camera lens during detection when making the image automatic test.And when having arrived product such as mobile lens since the back focal length of camera lens compare the camera lens of traditional camera lacked many, so when carrying out the image automatic test, image sensor can could arrive correct image space so very near the rear end of camera lens.Simultaneously, the volume of this type of camera lens is generally very little, on the test platform of automatic measurement, often produces and phenomenons such as perk because of reasons such as vibrations, thereby can cause image sensor stroke moves on to the measurement position according to expectation the time, can bump against with camera lens, cause the damage of image sensor or camera lens.
Summary of the invention
In view of this, be necessary to provide a kind of lens test device and the method that can avoid image sensor and camera lens to bump against.
A kind of lens test device, it comprises: an image sensor; A light source module is used to provide testing lens needed test stripe; A test platform is between image sensor and light source module; An image capture unit; And data treating apparatus.Whether described image capture unit is used for obtaining the pattern of the camera lens on the test platform before the camera lens test, place to judge camera lens, and described data processing equipment is electrically connected with described image sensor and image capture unit respectively.
A kind of camera lens method of testing, it may further comprise the steps: a data treating apparatus, an image sensor, a light source module and a test platform are provided, and described test platform is between image sensor and light source module; Camera lens is put on the test platform; Obtain the image of the camera lens on the test platform with an image capture unit; Judge whether described camera lens places; If camera lens places, then movable image sensor and light source module are tested camera lens.
Described lens test device comprises that an image capture unit is used to obtain the image of the camera lens on the test platform, before camera lens is tested, judge whether camera lens places earlier, thereby can avoid image sensor and camera lens to bump against the damage that causes image sensor or camera lens.Described camera lens method of testing judged whether camera lens places earlier before to the camera lens test, thereby can avoid image sensor and camera lens to bump against the damage that causes image sensor or camera lens.
Description of drawings
Fig. 1 is the lens test device synoptic diagram that embodiments of the invention provide.
Fig. 2 is the II part enlarged drawing of lens test device among Fig. 1.
Fig. 3 is the camera lens method of testing process flow diagram that embodiments of the invention provide.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
See also Fig. 1 and Fig. 2, the lens test device 100 that embodiments of the invention provide, it comprises 30, one light source modules 40 of 20, one test platforms of 10, one image sensor of a data treating apparatus, and an image capture unit 50.
But described data processing equipment 10 recognition image information, thereby and to relevant data handle output the result.In the present embodiment, described data processing equipment 10 is a computing machine, but recognition image information is installed in it and handles the program of related data.
Described image sensor 20 is electrically connected with data processing equipment 10, and the image information of being obtained can be transferred to data processing equipment 10.Described image sensor 20 can be charge-coupled image sensor or CMOS (Complementary Metal Oxide Semiconductor).That establish respectively test platform 30 both sides is one rotatable, lifting and the flexible support 22 of level, described image sensor 20 is installed on the support 22 of test platform 30 1 sides, image sensor 20 is positioned at directly over the test platform 30, rotation, lifting or flexible in the horizontal direction described support 22 can make image sensor 20 move above test platform 30, so that all camera lenses 60 on 20 pairs of test platforms 30 of image sensor are tested.
Described test platform 30 is between described image sensor 20 and light source module 40.In the present embodiment, described test platform 30 is a load plate, offer a plurality of containing holes 32 on it, these a plurality of containing holes 32 are used for ccontaining and fixing camera lens 60, it is arranged on the test platform 30 according to certain rules, and data processing equipment 10 position that can write down each containing hole 32 by coordinate or other form.This containing hole 32 is a step-like through hole, comprises the holding part 320 and the logical light portion 322 of coaxial setting, and diameter that should logical light portion 322 is less than the diameter of this holding part 320, and forms step at both joining places.Described logical light portion 322 also can be a horn-like circular hole, and it is connected the diameter of the diameter of an end less than the other end with holding part 320.
Described light source module 40 is positioned at described test platform 30 belows, is used to provide test described camera lens 60 needed test stripes.Described light source module 40 can comprise a plurality of test stripes with reach with test platform 30 on each camera lens 60 corresponding one by one.Described light source module 40 also can only comprise a test stripe, and this moment, light source module 40 was movable to below the corresponding camera lens to be measured 60 in camera lens 60 test processs.
Be furnished with a charge-coupled image sensor or CMOS (Complementary Metal Oxide Semiconductor) and an imaging lens on the described image capture unit 50, be used to obtain the image of the camera lens 60 on the test platform 30.Described image capture unit 50 is electrically connected with data processing equipment 10, obtain image information by data processing equipment 10 identification image capture units 50, whether the line data of going forward side by side is handled the camera lens 60 that can judge on the described test platform 30 and is placed, and camera lens 60 unlaid situations comprise that camera lens 60 has phenomenons such as inclination or perk.The described approach of judging whether camera lens 60 places comprises by the profile of distinguishing camera lens 60 or identification certain unique point on the camera lens 60 etc.Described unique point specifically can be the exit wound of bullet that breach, the breach on the spaced ring or lens barrel on camera lens 60 lens barrels form at ejection formation etc.Described image capture unit 50 is installed on the support 22 of test platform 30 opposite sides, and rotation, lifting or telescope support 22 in the horizontal direction can make image capture unit 50 be positioned at test platform 30 tops, and can obtain the image of the camera lens 60 on the test platform 30.
See also Fig. 3, the concrete implementing procedure figure of the camera lens method of testing that provides for embodiments of the invention.This camera lens method of testing may further comprise the steps:
S1: a data treating apparatus, an image sensor, a light source module and a test platform are provided, and described test platform is between image sensor and light source module;
S2: camera lens is put on the test platform;
S3: the image of obtaining the camera lens on the test platform with an image capture unit;
S4: judge whether described camera lens places;
S5: if camera lens places, then movable image sensor and light source module are tested camera lens;
S6:, then suspend camera lens is tested if camera lens does not place.
Described camera lens can be put on the test platform by modes such as vacuum slot absorptions.The described approach of judging whether camera lens places comprises by the profile of distinguishing camera lens or identification certain unique point on the camera lens etc., and compares with standard value.Described suspend camera lens tested in data processing equipment send alerting signal.Described camera lens method of testing further comprises after camera lens tested camera lens handled camera lens placed suspending, and promptly eliminates or phenomenons such as perk, returns step S4 then.
Described lens test device comprises that an image capture unit is used to obtain the image of the camera lens on the test platform, before camera lens is tested, judge whether camera lens places earlier, thereby can avoid image sensor and camera lens to bump against the damage that causes image sensor or camera lens.Described camera lens method of testing judged whether camera lens places earlier before to the camera lens test, thereby can avoid image sensor and camera lens to bump against the damage that causes image sensor or camera lens.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection domain that all should belong to claim of the present invention with distortion.
Claims (12)
1. lens test device, it comprises:
An image sensor;
A light source module is used to provide testing lens needed test stripe;
A test platform is between image sensor and light source module;
It is characterized in that, described lens test device further comprises an image capture unit and a data treating apparatus, described image capture unit is used for obtaining the pattern of the camera lens on the test platform before the camera lens test, to judge whether camera lens places, described data processing equipment is electrically connected with described image sensor and image capture unit respectively.
2. lens test device as claimed in claim 1 is characterized in that described data processing equipment is a computing machine, and being equipped with in it can recognition image information and handle the program of related data.
3. lens test device as claimed in claim 1, it is characterized in that, described test platform is a load plate, offer a plurality of containing holes on it, these a plurality of containing holes are used for ccontaining and the fixing camera lens, described containing hole is a step-like through hole, comprises the logical light portion and the holding part of coaxial setting, and should lead to the diameter of the diameter of light portion less than this holding part.
4. lens test device as claimed in claim 3 is characterized in that, described logical light partly is horn-like circular hole, and it is connected the diameter of the diameter of an end less than the other end with holding part.
5. lens test device as claimed in claim 3 is characterized in that, described a plurality of containing holes are arranged on the test platform according to certain rules.
6. camera lens method of testing, it may further comprise the steps:
A data treating apparatus, an image sensor, a light source module and a test platform are provided, and described test platform is between image sensor and light source module; Camera lens is put on the test platform;
Obtain the image of the camera lens on the test platform with an image capture unit;
Judge whether described camera lens places;
If camera lens places, then movable image sensor and light source module are tested camera lens.
7. camera lens method of testing as claimed in claim 6 is characterized in that, described camera lens method of testing further comprises if camera lens does not place, then suspends camera lens is tested.
8. camera lens method of testing as claimed in claim 7 is characterized in that, described suspend camera lens tested in data processing equipment send alerting signal.
9. camera lens method of testing as claimed in claim 7 is characterized in that, describedly further comprises after camera lens tested camera lens handled camera lens is placed suspending, and returns the step of judging whether described camera lens places then.
10. camera lens method of testing as claimed in claim 9 is characterized in that, described camera lens is handled after, return the step of judging whether described camera lens places.
11. camera lens method of testing as claimed in claim 6 is characterized in that, the described approach of judging whether camera lens places comprises by certain unique point on the profile of distinguishing camera lens or the identification camera lens.
12. camera lens method of testing as claimed in claim 11 is characterized in that, described unique point comprises the exit wound of bullet that breach, the breach on the spaced ring and the lens barrel on the lens barrel of camera lens forms at ejection formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100614333A CN101097398B (en) | 2006-06-30 | 2006-06-30 | Lens testing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100614333A CN101097398B (en) | 2006-06-30 | 2006-06-30 | Lens testing device and method |
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| Publication Number | Publication Date |
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| CN101097398A true CN101097398A (en) | 2008-01-02 |
| CN101097398B CN101097398B (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100614333A Expired - Fee Related CN101097398B (en) | 2006-06-30 | 2006-06-30 | Lens testing device and method |
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| Country | Link |
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| CN (1) | CN101097398B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886971A (en) * | 2009-05-15 | 2010-11-17 | 鸿富锦精密工业（深圳）有限公司 | Lens test device |
| CN101685251B (en) * | 2008-09-23 | 2011-07-20 | 中芯国际集成电路制造(上海)有限公司 | Camera lens calibration method and system |
| CN103336404A (en) * | 2013-06-29 | 2013-10-02 | 歌尔声学股份有限公司 | Lens testing device and method |
| CN104101480A (en) * | 2013-04-03 | 2014-10-15 | 京元电子股份有限公司 | Array type optical detection module |
| CN105987806A (en) * | 2015-02-02 | 2016-10-05 | 宁波舜宇光电信息有限公司 | Device and method for testing turning lens |
| CN110023835A (en) * | 2017-09-25 | 2019-07-16 | 深圳市大疆如影科技有限公司 | Lens detecting device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139794C (en) * | 1998-02-24 | 2004-02-25 | 明碁电脑股份有限公司 | reflective detector for optical lens combination |
| CN1470861A (en) * | 2002-07-22 | 2004-01-28 | 力捷电脑股份有限公司 | Lens detecting tool |
| CN2636219Y (en) * | 2003-07-24 | 2004-08-25 | 信统科技股份有限公司 | Optics lens tester |
| CN100592201C (en) * | 2006-06-02 | 2010-02-24 | 鸿富锦精密工业（深圳）有限公司 | Optical lens testing device and testing method |
-
2006
- 2006-06-30 CN CN2006100614333A patent/CN101097398B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685251B (en) * | 2008-09-23 | 2011-07-20 | 中芯国际集成电路制造(上海)有限公司 | Camera lens calibration method and system |
| CN101886971A (en) * | 2009-05-15 | 2010-11-17 | 鸿富锦精密工业（深圳）有限公司 | Lens test device |
| CN104101480A (en) * | 2013-04-03 | 2014-10-15 | 京元电子股份有限公司 | Array type optical detection module |
| CN104101480B (en) * | 2013-04-03 | 2017-03-01 | 京元电子股份有限公司 | Array type optical detection module |
| CN103336404A (en) * | 2013-06-29 | 2013-10-02 | 歌尔声学股份有限公司 | Lens testing device and method |
| CN103336404B (en) * | 2013-06-29 | 2016-08-10 | 歌尔声学股份有限公司 | A kind of lens test device and method |
| CN105987806A (en) * | 2015-02-02 | 2016-10-05 | 宁波舜宇光电信息有限公司 | Device and method for testing turning lens |
| CN105987806B (en) * | 2015-02-02 | 2019-12-20 | 宁波舜宇光电信息有限公司 | Testing device and testing method for turning lens |
| CN110023835A (en) * | 2017-09-25 | 2019-07-16 | 深圳市大疆如影科技有限公司 | Lens detecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101097398B (en) | 2011-06-22 |
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