CN104330241B - Universal digital is projected or projection fish eye lens detecting system - Google Patents
Universal digital is projected or projection fish eye lens detecting system Download PDFInfo
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- CN104330241B CN104330241B CN201410586447.1A CN201410586447A CN104330241B CN 104330241 B CN104330241 B CN 104330241B CN 201410586447 A CN201410586447 A CN 201410586447A CN 104330241 B CN104330241 B CN 104330241B
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 52
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 230000004313 glare Effects 0.000 claims abstract description 9
- 230000000007 visual effect Effects 0.000 claims abstract description 4
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 10
- 238000003384 imaging method Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 3
- 230000009897 systematic effect Effects 0.000 claims description 3
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical group [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000005304 optical glass Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000004075 alteration Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract description 3
- 238000009738 saturating Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
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- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention discloses a kind of projection of universal digital or projection fish eye lens detecting system, including object lens projecting apparatus, test chart and ball curtain are constituted.Plane mirror, compound eye lens group, collector lens group are provided with inside described object lens projecting apparatus, reduced projection instrument volume is served, the efficiency of light energy utilization and illumination uniformity is improved, and realize the adjustable effect of emergent light spot size dimension at film gate position.Described test chart contains resolution ratio, veiling glare, three kinds of test icons of distortion.Described ball curtain, its inwall is carved with angle calibrated dial, the angle of visual field for measuring tested camera lens.It is 0.55 that the present invention is capable of achieving to chip size "~1.55 " 1DLP, 3DLP, 3LCD, 3SXRD various types of digital projections or show the performances such as fish-eye field angle of image, resolution ratio, veiling glare, distortion, colour reproduction performance, aberration and project effect is tested, reduce testing cost, highly versatile.
Description
Technical field
The present invention relates to a kind of Shot Detection System, more particularly to a kind of universal digital projection or projection fish eye lens
Detecting system.
Background technology
Because the structure of the chip size and chip structure and internal opticses engine of digital projection or projector is more multiple
It is miscellaneous, there is no unified standard, be detected as digital projection that digital projection or projector prepare or projection fish eye lens become in order to
Problem.At present, digital projection or the fish-eye performance of projection, project effect are entered without related testing equipment also both at home and abroad
Row comprehensively test, can only the expensive digital projection for connecting therewith of purchasing price or projector tested, so can be greatly
It is big to increase testing expense cost, and poor universality.Therefore, developing a kind of universal detectable all kinds digital projection or putting
Fish-eye detecting system is reflected, has become very urgent.
The content of the invention
In view of above-mentioned condition, it is an object of the invention to provide a kind of projection of universal digital or projection fish eye lens detection
System, to digital projection or the fish-eye field angle of image of projection, resolution ratio, veiling glare, distortion, colour reproduction performance, aberration
Tested etc. performance and project effect.Be capable of achieving chip size be 0.55 "~1.55 " 1DLP, 3DLP, 3LCD, 3SXRD
Various types of digital projections or show fish-eye detection, with very strong versatility.
To achieve these goals, technical solution of the invention is：A kind of universal digital projection or projection flake
Shot Detection System, including object lens projecting apparatus, test chart and ball curtain；Wherein：
Object lens projecting apparatus, the object lens projecting apparatus has in housing by light source to the imaging system in the object lens projecting apparatus
Direction is sequentially provided with light source, the light that light source sends is reflexed to the reflection part of the imaging system side, changing optical path direction
Plane mirror, compound eye lens group, collector lens group, piece door part, simulation numeral projection or projector inside prism etc.
Effect parallel glass plates and camera lens clamping regulating member；With
Test chart, the test chart contains resolution ratio, veiling glare, three groups of different test chart target test charts of distortion,
Every group of described test chart is arranged at the film gate position inside object lens projecting apparatus；With
Ball curtain, ball curtain inwall is carved with the angle calibrated dial for detecting the digital fish eye lens angle of visual field, and the object lens are thrown
The center that shadow instrument is correspondingly placed at the ball curtain is corresponding with the object lens projecting apparatus.
In the present invention, the compound eye lens group, including two first fly's-eye lens for arranging at a certain distance and second are answered
Eyelens.
In the present invention, the collector lens group, including two lenticular lens, first for arranging at a certain distance each other is saturating
Mirror and the second lens.
In the present invention, described light source uses xenon source, and reference color temperature is 6500 ± 1000K, installed in three-dimensional regulation
On support, longitudinal separation, pitch regulation are capable of achieving, and horizontal direction swings.
In the present invention, described reflection part is parabola cold mirror, on two-dimensional adjustment support, is capable of achieving to bow
Face upward regulation and horizontal direction swings.
In the present invention, described plane mirror and systematic optical axis angle at 45 °.
In the present invention, the first lens and the second lens in two lenticular lens of the collector lens group are in system light
Position is adjustable on direction of principal axis.
In the present invention, described piece door part is arranged on two-dimensional adjustment support, is capable of achieving on optical axis direction
The regulation of two-dimensional space.
In the present invention, described test chart material uses clear optical glass, and test chart target size range is 0.26 "
~0.76 " between.
In the present invention, by changing the equivalent parallel glass plate of different-thickness, by two that adjust collector lens group
The position of lenticular lens, be capable of achieving chip size be 0.55 "~1.55 " 1DLP, 3DLP, 3LCD, 3SXRD it is various types of
The digital projection of type shows fish-eye detection.
The invention has the advantages that：Employ the universal number of object lens projecting apparatus, test chart and ball curtain composition
Word is projected or projection fish eye lens test system, and reduction system volume is conducive to the plane mirror for changing optical path direction,
Illumination uniformity is improved with compound eye lens group, with moveable collector lens group regulation emergent light spot chi in the direction of the optical axis
It is very little, the equivalent parallel glass plate of different-thickness is changed by adjusting, for simulating various digital projections or projector interior edge
Mirror, while exchange different type, various sizes of test chart at film gate, detected digital fish eye lens is by test chart
Be imaged on ball curtain on, be capable of achieving to chip size be 0.55 "~1.55 " 1DLP, 3DLP, 3LCD, 3SXRD all kinds
Digital projection or show the performances such as fish-eye field angle of image, resolution ratio, veiling glare, distortion, colour reproduction performance, aberration
Tested with project effect, highly versatile.Projected using universal digital or projection fish eye lens detecting system testing lens
When, can really reflect detected camera lens image quality in itself, reduce the testing cost of fish eye lens product.
Brief description of the drawings
Fig. 1 is the structural representation of present system；
Fig. 2, Fig. 3, Fig. 4 are to lay three groups of different test chart target test chart schematic diagrames in Fig. 1；
Fig. 5 is the structural representation of the target seat of test chart in Fig. 1.
Specific embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail, is only used for explaining reality of the invention
Apply example and had the advantage that, be not intended to limit protection scope of the present invention.
As shown in Fig. 1 to Fig. 5, universal digital is projected or projection fish eye lens detecting system, including object lens projecting apparatus 1,
Test chart 2 and ball curtain 3 are combined.Include the light source being arranged in order in the housing of object lens projecting apparatus 1 of the present invention
11st, by the light that light source 11 sends reflex to the imaging system side reflection part 12, change optical path direction plane it is reflective
Mirror 13, compound eye lens group 14, collector lens group 15, piece door part 16, simulation numeral projection or projector inside prism it is equivalent
Parallel glass plates 17 and the test clamping of fish eye lens 4 are on regulating member 18.Light source 11 described in the present embodiment is xenon
Lamp source.Reflection part 12 described in the present embodiment is parabola cold mirror, plays the light sent to the light source 11 and adjusts
Whole is the effect of class directional light, and reflection part 12 is arranged on two-dimensional adjustment support 20a, realizes pitch regulation and horizontal direction
Swing, emergent light spot brightness uniformity can be adjusted.Described light source 11 is arranged on three-dimensional regulation support 19a, by three
Dimension adjusting bracket 19a is arranged at the parabolic focus of described reflection part 12, realizes longitudinal separation, pitch regulation, with
And horizontal direction swings, and can adjust emergent light spot brightness uniformity.Plane mirror 13 and system light described in the present embodiment
Axle angle at 45 °, is fixed on the housing of object lens projecting apparatus 1 by screw and nut, is used to change system light path direction, is played
The effect of reduction system volume.Compound eye lens group of the invention 14, including two first fly's-eye lens for arranging at a certain distance
141 and second fly's-eye lens 142 be arranged in rear portion lens barrel 21b, consolidated with the housing of the object lens projecting apparatus 1 by screw
Fixed connection, for improving the efficiency of light energy utilization and illumination uniformity.Collector lens group 15 of the invention, including two biconvexs are saturating
Mirror, the first lens 151 and the second lens 152 for arranging at a certain distance each other, described the first lens 151, the second lens
152 curvature absolute value is small forward-facing, and the first lens 151 are fixed in the lens barrel 22b of middle part, the second lens 152
It is fixed in anterior lens barrel 23b.The lens barrel 22b by screw thread and the lens barrel 21b active links, it is described before
Portion lens barrel 23b, by screw thread and the middle part lens barrel 22b active links.Rotation middle part lens barrel 22b can change fly's-eye lens
The distance between group 14 and collector lens group 15, fixed middle part lens barrel 22b, it is saturating that pivoting front lens barrel 23b can change first
The distance between lens 152 of mirror 151 and second, by change between compound eye lens group 14 and collector lens group 15 away from
From achievable size of the emergent light spot at the described position of door part 16.Of the invention door part 16 is arranged on two dimension
On adjusting bracket 24a, the regulation of the two-dimensional space on optical axis direction is realized, play a part of to adjust the film gate depth of parallelism.Deng
Effect parallel glass plates 17 are fixed in lens barrel 25b, are connected with the housing activity of the object lens projecting apparatus 1 by screw thread
Connect.Described test fish eye lens 4 is arranged on camera lens clamping regulating member 18, and the camera lens clamping regulating member 18 passes through
Screw is fixedly connected with the housing of the object lens projecting apparatus 1, and the inside of object lens projecting apparatus 1 has helicitic texture with test flake mirror
First 4 are flexibly connected.Test chart in the present embodiment, includes resolution test target 2, veiling glare test chart 2-1, distortion
Tri- groups of different type test chart target test charts of test chart 2-2 supply to select (see Fig. 2,3,4), every group of test chart target
Size range is 0.26 "~0.76 " between.Resolution test target 2, veiling glare test chart 2-1, distortion after the selection
Test chart 2-2 is arranged on target seat 21, by activity chain on target 21 draw-in groove with described piece door part 16 of seat
Connect.Described ball curtain 3, its inwall is carved with angle calibrated dial, for detecting the digital fish-eye angle of visual field.Described object lens are thrown
Shadow instrument 1 should be placed at the center range position of described ball curtain 3.In the present embodiment, the housing of described object lens projecting apparatus 1
Radiator fan facility (not illustrating in figure) is arranged at rear, for equipment cooling, and keeps the work of equipment long-time stable, it is ensured that
Equipment has usage cycles more long.In the present embodiment, involved detecting system, by the equivalent parallel glass for changing different-thickness
Glass flat board, and appropriate two relative positions of lenticular lens for adjusting collector lens, it is 0.55 to be capable of achieving chip size "~
Various types of digital projections of 1DLP, 3DLP, 3LCD, 3SXRD 1.55 " show fish-eye detection.Therefore, profit
When digital projection or projection fish eye lens detection are carried out with detecting system of the present invention, test fish eye lens 4 is adjusted by camera lens clamping
The form of the section connection of part 18 is arranged on object lens projecting apparatus 1, and the light that light source 11 sends is reflexed into by reflection part 12
As system side, and class directional light is adjusted to, class directional light is incident upon on plane mirror 13, is changed by plane mirror 13
Become transmission direction and be reflected into compound eye lens group 14, class directional light turns into more uniform flat after being adjusted through compound eye lens group 14
Row light beam enters collector lens group 15, is most irradiated as sizeable uniform light beam through the adjustment of collector lens group 15 afterwards
To at the position of piece door part 16, resolution ratio detection target 2 is placed with the position of piece door part 16（Veiling glare test chart 2-1 or
Distortion test chart 2-2）, resolution ratio detection target 2 on test icon illuminated by homogenizer, eventually pass equivalent parallel
Glass plate 17 is imaged on ball curtain 3 by test fish eye lens 4, by being imaged the quality of figure on ball curtain 3 detecting and
The various performances and project effect of evaluation test fish eye lens 4.
Foregoing description only proposes as enforceable technical scheme of the invention, not as to its technical scheme single in itself
Restrictive condition.
Claims (8)
1. a kind of universal digital is projected or projection fish eye lens detecting system, it is characterized in that, including object lens projecting apparatus (1), survey
Test-object plate and ball curtain（3）；Wherein：
Object lens projecting apparatus (1), the object lens projecting apparatus (1) with housing by light source to the imaging in the object lens projecting apparatus
System orientation is sequentially provided with light source（11）, the light that light source sends is reflexed to the reflection part of the imaging system side（12）、
Change the plane mirror of optical path direction（13）, compound eye lens group（14）, collector lens group（15）, piece door part（16）, simulation
The equivalent parallel glass plate of digital projection or projector inside prism（17）With camera lens clamping regulating member（18）；With
Test chart, the test chart contains resolution ratio, veiling glare, three groups of different test chart target test charts of distortion（2、2-
1、2-2）, every group of described test chart is installed in object lens projecting apparatus（1）Internal piece door part（16）At position；With
Ball curtain（3）, the ball curtain inwall be carved with for testing fish eye lens（4）The angle calibrated dial of the angle of visual field, the object lens projection
Instrument（1）It is correspondingly placed at the ball curtain（3）Center, with the object lens projecting apparatus（1）It is corresponding；
The first lens in two lenticular lens of the collector lens group（151）With the second lens（152）In systematic optical axis
Position is adjustable on direction；
Described piece door part (16) is installed in two-dimensional adjustment support（24a）On, it is capable of achieving the two dimension on optical axis direction
The regulation in space.
2. the universal digital according to claim 1 is projected or projection fish eye lens detecting system, it is characterized in that, wherein
Compound eye lens group（14）, including two first fly's-eye lens for arranging at a certain distance (121) and the second fly's-eye lens (122).
3. universal digital according to claim 1 is projected or projection fish eye lens detecting system, it is characterized in that, wherein poly-
Optical lens group（15）, including two lenticular lens, the first lens (151) for arranging at a certain distance each other and the second lens
(152)。
4. the universal digital according to claim 1 is projected or projection fish eye lens detecting system, it is characterized in that, wherein
Light source（11）It is xenon source, reference color temperature is 6500 ± 1000K, installed in three-dimensional regulation support（19a）On, before and after being capable of achieving
Distance, pitch regulation, and horizontal direction swing.
5. the universal digital according to claim 1 is projected or projection fish eye lens detecting system, it is characterized in that, wherein
Reflection part（12）It is parabola cold mirror, installed in two-dimensional adjustment support（20a）On, it is capable of achieving pitch regulation and level side
To swing.
6. the universal digital according to claim 1 is projected or projection fish eye lens detecting system, it is characterized in that, it is described
Plane mirror（13）With systematic optical axis angle at 45 °.
7. the universal digital according to claim 1 is projected or projection fish eye lens detecting system, it is characterized in that, it is described
Test chart（2、2-1、2-2）Material uses clear optical glass, and test chart target size range is 0.26 "~0.76 " it
Between.
8. the universal digital according to claim 1 is projected or projection fish eye lens detecting system, it is characterized in that, pass through
Change the equivalent parallel glass plate of different-thickness（17）, and adjust the collector lens group（15）Two lenticular lens
Position, be capable of achieving chip size be 0.55 "~1.55 " 1DLP, 3DLP, 3LCD, 3SXRD various types of digital projections
Or show fish-eye detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410586447.1A CN104330241B (en) | 2014-10-28 | 2014-10-28 | Universal digital is projected or projection fish eye lens detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410586447.1A CN104330241B (en) | 2014-10-28 | 2014-10-28 | Universal digital is projected or projection fish eye lens detecting system |
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| Publication Number | Publication Date |
|---|---|
| CN104330241A CN104330241A (en) | 2015-02-04 |
| CN104330241B true CN104330241B (en) | 2017-06-20 |
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| CN201410586447.1A Active CN104330241B (en) | 2014-10-28 | 2014-10-28 | Universal digital is projected or projection fish eye lens detecting system |
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| CN105372790B (en) * | 2015-11-24 | 2018-05-15 | 秦皇岛视听机械研究所有限公司 | A kind of design method for improving projection lens component universality |
| CN106950039A (en) * | 2017-05-05 | 2017-07-14 | 江西高瑞光电股份有限公司 | A kind of digital camera lens detector of microspur |
| CN106932178A (en) * | 2017-05-08 | 2017-07-07 | 江西高瑞光电股份有限公司 | A kind of micro- column ball-screen projection detection instrument |
| CN107063638B (en) * | 2017-05-24 | 2024-03-08 | 茂莱（南京）仪器有限公司 | Testing device based on modularized high-precision microscope system |
| CN107462403A (en) * | 2017-08-16 | 2017-12-12 | 信利光电股份有限公司 | A kind of fish-eye method of testing and test device |
| RU192582U1 (en) * | 2019-06-11 | 2019-09-23 | Федеральное государственное бюджетное учреждение науки Геофизический центр Российской академии наук (ГЦ РАН) | DIGITAL DEMONSTRATION DEVICE |
| CN110568704A (en) * | 2019-09-02 | 2019-12-13 | 歌尔股份有限公司 | An ultra-short-focus lens detection system and detection method |
| KR20210145439A (en) * | 2020-05-25 | 2021-12-02 | 삼성전기주식회사 | Mounting structure and inspection apparatus including the same |
| CN113179128B (en) * | 2021-03-09 | 2023-02-03 | 西安理工大学 | A long-distance transmission and reception device for an underwater visible light communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383660C (en) * | 2003-01-22 | 2008-04-23 | 三洋电机株式会社 | Lighting device and projection image display |
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|---|---|---|---|---|
| US6666557B1 (en) * | 1997-04-09 | 2003-12-23 | Samsung Electronics Co., Ltd. | Reflection type projector |
| CN2519264Y (en) * | 2001-12-11 | 2002-10-30 | 中国科学院光电技术研究所 | Distortion testing device for ultra-wide-angle lens |
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Address after: No. 165, middle section of Hebei Avenue, seaport area, Qinhuangdao, Hebei Province Patentee after: Qinhuangdao audio-visual Machinery Research Institute Co., Ltd. Address before: No. 165, middle section of Hebei Avenue, seaport area, Qinhuangdao, Hebei Province Patentee before: Qinhuangdao Video-Audio Machinery Inst. |
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Effective date of registration: 20200316 Address after: 066000 room 701, room 702, room 704, room 705, room 706, room 707, room 801, room 708, room 706, building 9, No. 165, middle section of Hebei Street, Haigang District, Qinhuangdao City, Hebei Province Patentee after: Qinhuangdao Meishida Audio Visual Testing Technology Co., Ltd Address before: 066000 No. 165, Hebei Avenue, Qinhuangdao seaport District, Hebei, China Patentee before: Qinhuangdao audio-visual Machinery Research Institute Co.,Ltd. |