CN104330241A - Universal digital projection/or reproduction fish-eye lens detection system - Google Patents
Universal digital projection/or reproduction fish-eye lens detection system Download PDFInfo
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- CN104330241A CN104330241A CN201410586447.1A CN201410586447A CN104330241A CN 104330241 A CN104330241 A CN 104330241A CN 201410586447 A CN201410586447 A CN 201410586447A CN 104330241 A CN104330241 A CN 104330241A
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Abstract
The invention discloses a universal digital projection/or reproduction fish-eye lens detection system which comprises an objective lens projector, a testing target and a full dome. A planar reflector, a compound eye lens system and a condensing lens system are arranged inside the objective lens projector, the size of the projector is reduced, solar energy use efficiency and illumination uniformity are improved, and the size of an emergent light spot at a film gate can be adjusted. The testing target contains testing icons for resolution, stray light and distortion. Angle divided scales are carved on the inner wall of the full dome and used for measuring a field angle of a detected lens. The system can test reproduction effects and performances such as view angles, the resolution, the stray light, distortion, color reproduction performances and color difference of various types 1DLP, 3DLP, 3LCD and 3SXRD digital projection/or reproduction fish-eye lenses with the chip size of 0.55''-1.55'', detection cost is reduced, and the system is high in universality.
Description
Technical field
The present invention relates to a kind of Shot Detection System, particularly a kind of universal digital projection/or projection fish eye lens detection system.
Background technology
Due to digital projection/or the chip size of projector and the complicated structure of chip structure and internal optics engine, do not have unified standard, the digital projection/or the projection fish eye lens that are detected as digital projection/or projector preparation just become a difficult problem.At present, checkout equipment also not relevant is both at home and abroad to digital projection/or show fish-eye performance, project effect comprehensively tests, can only the digital projection/connected with it of purchasing price costliness or projector test, can greatly increase testing expense cost like this, and poor universality.For this reason, development one is universal to be detected all kinds digital projection/or shows fish-eye detection system, has become very urgent.
Summary of the invention
In view of above-mentioned condition, a kind of universal digital is the object of the present invention is to provide to project/or projection fish eye lens detection system, to digital projection/or show the performances such as fish-eye field angle of image, resolution, veiling glare, distortion, colour reproduction performance, aberration and project effect is tested.Can realize chip size is 0.55 " ~ 1.55 " 1DLP, 3DLP, 3LCD, 3SXRD various types of digital projection/or show fish-eye detection, there is very strong versatility.
To achieve these goals, technical solution of the present invention is: a kind of universal digital projection/or projection fish eye lens detection system, comprise object lens projector, test chart and ball curtain; Wherein:
Object lens projector, this object lens projector have in housing, to be provided with light source successively to the imaging system direction in described object lens projector by light source, the light that sent by light source reflexes to the reflection part of described imaging system side, the plane mirror changing optical path direction, compound eye lens group, collector lens group, sheet door part, analog digital project/or the equivalent parallel glass plate of the inner prism of projector and camera lens clamping adjustment member; With
Test chart, this test chart contains the different test pattern target test chart of resolution, veiling glare, distortion three groups, and described often organizes the film gate position place that test chart is arranged on object lens projector inside; With
Ball curtain, this ball curtain inwall is carved with the angle calibrated dial for detecting digital fish eye lens field angle, and the center that described object lens projector correspondence is placed on described ball curtain is corresponding with described object lens projector.
In the present invention, described compound eye lens group, comprises two the first fly's-eye lenses and the second fly's-eye lens arranged at a certain distance.
In the present invention, described collector lens group, comprises two lenticular lens, the first lens arranged at a certain distance each other and the second lens.
In the present invention, described light source adopts xenon source, and reference color temperature is 6500 ± 1000K, is arranged on three-dimensional regulation support, can realizes longitudinal separation, pitch regulation, and horizontal direction swings.
In the present invention, described reflection part is parabola cold mirror, is arranged on two-dimensional adjustment support, can realize pitch regulation and horizontal direction swing.
In the present invention, described plane mirror and systematic optical axis angle at 45 °.
In the present invention, the first lens in two lenticular lens of described collector lens group and the second lens position on systematic optical axis direction adjustable.
In the present invention, described sheet door part is arranged on two-dimensional adjustment support, can realize the adjustment perpendicular to the two-dimensional space on optical axis direction.
In the present invention, described test chart material adopts clear optical glass, and test pattern target range of size is 0.26 " ~ 0.76 " between.
In the present invention, by changing the equivalent parallel glass plate of different-thickness, by regulating the position of two lenticular lens of collector lens group, can realize chip size is 0.55 " ~ 1.55 " 1DLP, 3DLP, 3LCD, 3SXRD various types of digital projection/or show fish-eye detection.
The beneficial effect that the present invention has is: have employed object lens projector, the universal digital projection/of test chart and ball curtain composition or projection fish eye lens test macro, there is the plane mirror changing optical path direction and be conducive to reduction system volume, there is compound eye lens group and improve illumination uniformity, there is moveable collector lens group in the direction of the optical axis and regulate outgoing spot size, the equivalent parallel glass plate of different-thickness is changed by adjustment, for simulating various digital projection/or the inner prism of projector, exchange dissimilar at film gate place simultaneously, the test chart of different size, test chart is imaged on ball curtain by detected digital fish eye lens, can realize chip size is 0.55 " ~ 1.55 " 1DLP, 3DLP, 3LCD, various types of digital projection/of 3SXRD or show fish-eye field angle of image, resolution, veiling glare, distortion, colour reproduction performance, the performances such as aberration and project effect are tested, highly versatile.When adopting universal digital projection/or projection fish eye lens detection system testing lens, the image quality of detected camera lens itself can be reflected really, reduce the testing cost of fish eye lens product.
Accompanying drawing explanation
Fig. 1 is the structural representation of present system;
Fig. 2, Fig. 3, Fig. 4 are the three groups of different test pattern target test chart schematic diagram laid in FIG;
Fig. 5 is the structural representation of the target seat of test chart in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail, only for the beneficial effect explaining embodiments of the invention He have, not for limiting the scope of the invention.
As shown in Figures 1 to 5, universal digital projection/or projection fish eye lens detection system, comprise object lens projector 1, test chart 2 and ball curtain 3 and combine.Comprise the light source 11 be arranged in order, the reflection part 12 light that light source 11 sends being reflexed to described imaging system side in the housing of object lens projector 1 of the present invention, change the plane mirror 13 of optical path direction, compound eye lens group 14, collector lens group 15, sheet door part 16, the equivalent parallel glass plate 17 of analog digital projection or the inner prism of projector and test fish eye lens 4 clamping be on adjustment member 18.Light source 11 described in the present embodiment is xenon source.Reflective part 12 described in the present embodiment is parabola cold mirror, play the effect that the light sent described light source 11 is adjusted to class directional light, reflective part 12 is arranged on two-dimensional adjustment support 20a, realizes pitch regulation and horizontal direction swing, can regulate emergent light spot brightness uniformity.Described light source 11 is arranged on three-dimensional regulation support 19a, the parabolic focus place of described reflective part 12 is arranged on by three-dimensional regulation support 19a, realize longitudinal separation, pitch regulation, and horizontal direction swings, and can regulate emergent light spot brightness uniformity.Plane mirror 13 described in the present embodiment and systematic optical axis angle at 45 °, be fixed on by screw and nut on the housing of object lens projector 1, in order to change system light path direction, play the effect of reduction system volume.Compound eye lens group 14 of the present invention, comprise two the first fly's-eye lenses 141 arranged at a certain distance and the second fly's-eye lens 142 is arranged in the lens barrel 21b of rear portion, be fixedly connected with, for improving the efficiency of light energy utilization and illumination uniformity by the housing of screw with described object lens projector 1.Collector lens group 15 of the present invention, comprise two lenticular lens, the first lens 151 and the second lens 152 arranged at a certain distance each other, the curvature absolute value of the first described lens 151, second lens 152 is forward-facing little, first lens 151 are fixed in the lens barrel 22b of middle part, and the second lens 152 are fixed in anterior lens barrel 23b.Described lens barrel 22b is by screw thread and described lens barrel 21b active link, and described anterior lens barrel 23b, by screw thread and described middle part lens barrel 22b active link.In the middle part of rotating, lens barrel 22b can change the distance between compound eye lens group 14 and collector lens group 15, fixing middle part lens barrel 22b, pivoting front lens barrel 23b can change the distance between the first lens 151 and the second lens 152, by changing the distance between compound eye lens group 14 and collector lens group 15, the size of emergent light spot described door part 16 position can be realized.Of the present invention door part 16 is arranged on two-dimensional adjustment support 24a, realizes the adjustment perpendicular to the two-dimensional space on optical axis direction, plays a part to regulate the film gate depth of parallelism.Equivalent parallel glass plate 17 is fixed in lens barrel 25b, is flexibly connected by the housing of screw thread with described object lens projector 1.Described test fish eye lens 4 is arranged on camera lens clamping adjustment member 18, and this camera lens clamping adjustment member 18 is fixedly connected with by the housing of screw with described object lens projector 1, and object lens projector 1 inside has helicitic texture and is flexibly connected with test fish eye lens 4.Test chart in the present embodiment, including resolution test target 2, veiling glare test chart 2-1, distortion test chart 2-2 tri-groups of dissimilar test pattern target test charts for selecting (see Fig. 2,3,4), often organizing test pattern target range of size 0.26 " ~ 0.76 " between.Resolution test target 2 after described selection, veiling glare test chart 2-1, distortion test chart 2-2 are arranged on target seat 21, by target seat 21 and active link on the draw-in groove of described sheet door part 16.Described ball curtain 3, its inwall is carved with angle calibrated dial, for detecting digital fish-eye field angle.Described object lens projector 1 should be placed on the center range position of described ball curtain 3.In the present embodiment, radiator fan facility (meaning not shown in the figures) is arranged at the housing rear of described object lens projector 1, and for equipment cooling, and keep the work of equipment long-time stable, the equipment of guarantee has longer life cycle.In the present embodiment, involved detection system, by changing the equivalent parallel glass plate of different-thickness, and suitably regulate the relative position of two lenticular lens of collector lens, can realize chip size is 0.55 " ~ 1.55 " 1DLP, 3DLP, 3LCD, 3SXRD various types of digital projection/or show fish-eye detection.Therefore, when utilizing detection system of the present invention to carry out digital projection/or the detection of projection fish eye lens, the form that test fish eye lens 4 is connected by camera lens clamping adjustment member 18 is arranged on object lens projector 1, the light that light source 11 sends is reflected part 12 and is reflexed to imaging system side, and be adjusted to class directional light, class directional light is incident upon on plane mirror 13, change transmission direction reflection by plane mirror 13 and enter compound eye lens group 14, class directional light becomes more uniform parallel beam and enters collector lens group 15 after compound eye lens group 14 adjusts, finally by the adjustment of collector lens group 15, become sizeable uniform light beam irradiation to sheet door part 16 position, be placed with resolution in sheet door part 16 position and detect target 2(veiling glare test chart 2-1 or distortion test chart 2-2), the test icon that resolution detects on target 2 is thrown light on by homogenizer, eventually passing equivalent parallel glass plate 17 is imaged on ball curtain 3 by test fish eye lens 4, various performance and the project effect of detecting and assessing test fish eye lens 4 is come by the quality of imaging figure on ball curtain 3.
Claims (10)
1. universal digital projection/or a projection fish eye lens detection system, is characterized in that, comprise object lens projector (1), test chart and ball curtain (3); Wherein:
Object lens projector (1), this object lens projector (1) have in housing, to be provided with light source (11) successively to the imaging system direction in described object lens projector by light source, the light that sent by light source reflexes to the reflection part (12) of described imaging system side, the plane mirror (13) changing optical path direction, compound eye lens group (14), collector lens group (15), sheet door part (16), analog digital project/or the equivalent parallel glass plate (17) of the inner prism of projector and camera lens clamping adjustment member (18); With
Test chart, this test chart contains the different test pattern target test chart of resolution, veiling glare, distortion three groups (2,2-1,2-2), and described often group test chart is arranged on inner sheet door part (16) position of object lens projector (1); With
Ball curtain (3), this ball curtain inwall is carved with the angle calibrated dial for testing fish eye lens 4 field angle, and the center that described object lens projector (1) correspondence is placed on described ball curtain (3) is corresponding with described object lens projector (1).
2. universal digital projection/according to claim 1 or projection fish eye lens detection system, it is characterized in that, wherein compound eye lens group (14), comprises two the first fly's-eye lenses (121) and the second fly's-eye lens (122) arranged at a certain distance.
3. universal digital projection/according to claim 1 or projection fish eye lens detection system, it is characterized in that, wherein collector lens group (15), comprises two lenticular lens, the first lens (151) arranged at a certain distance each other and the second lens (152).
4. universal digital projection/according to claim 1 or projection fish eye lens detection system, it is characterized in that, wherein light source (11) is xenon source, reference color temperature is 6500 ± 1000K, be arranged on three-dimensional regulation support (19a), can realize longitudinal separation, pitch regulation, and horizontal direction swings.
5. universal digital projection/according to claim 1 or projection fish eye lens detection system, it is characterized in that, wherein reflect part (12) for parabola cold mirror, be arranged on two-dimensional adjustment support (20a), pitch regulation and horizontal direction swing can be realized.
6. universal digital projection/according to claim 1 or projection fish eye lens detection system, is characterized in that, described plane mirror (13) and systematic optical axis angle at 45 °.
7. universal digital projection/according to claim 1 or projection fish eye lens detection system, it is characterized in that, the first lens (151) in two lenticular lens of described collector lens group and the second lens (152) position on systematic optical axis direction adjustable.
8. universal digital projection/according to claim 1 or projection fish eye lens detection system, it is characterized in that, described sheet door part (16) is arranged on two-dimensional adjustment support (24a), can realize the adjustment perpendicular to the two-dimensional space on optical axis direction.
9. universal digital according to claim 1 projection/or projection fish eye lens detection system, is characterized in that, described test chart (2,2-1,2-2) material adopts clear optical glass, and test pattern target range of size is 0.26 " ~ 0.76 " between.
10. universal digital projection/according to claim 1 or projection fish eye lens detection system, it is characterized in that, by changing the equivalent parallel glass plate (17) of different-thickness, and regulate the position of two lenticular lens of described collector lens group (15), can realize chip size is 0.55 " ~ 1.55 " 1DLP, 3DLP, 3LCD, 3SXRD various types of digital projection/or show fish-eye detection.
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| 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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| 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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| CN104330241A true CN104330241A (en) | 2015-02-04 |
| CN104330241B CN104330241B (en) | 2017-06-20 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105372790A (en) * | 2015-11-24 | 2016-03-02 | 秦皇岛视听机械研究所 | Design method for improving universality of components of projection lenses |
| 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 |
| 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 |
| CN107063638A (en) * | 2017-05-24 | 2017-08-18 | 茂莱（南京）仪器有限公司 | A kind of test device based on the high-precision microscopic system of modularity |
| 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 | Ultra-short-focus lens detection system and detection method |
| CN113179128A (en) * | 2021-03-09 | 2021-07-27 | 西安理工大学 | Remote transmission and receiving device of underwater visible light communication system |
| CN113720580A (en) * | 2020-05-25 | 2021-11-30 | 三星电机株式会社 | Mounting structure and detection device with mounting structure |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105372790A (en) * | 2015-11-24 | 2016-03-02 | 秦皇岛视听机械研究所 | Design method for improving universality of components of projection lenses |
| 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 |
| CN107063638A (en) * | 2017-05-24 | 2017-08-18 | 茂莱（南京）仪器有限公司 | A kind of test device based on the high-precision microscopic system of modularity |
| 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 | Ultra-short-focus lens detection system and detection method |
| CN113720580A (en) * | 2020-05-25 | 2021-11-30 | 三星电机株式会社 | Mounting structure and detection device with mounting structure |
| CN113179128A (en) * | 2021-03-09 | 2021-07-27 | 西安理工大学 | Remote transmission and receiving device of underwater visible light communication system |
| CN113179128B (en) * | 2021-03-09 | 2023-02-03 | 西安理工大学 | Remote transmission receiving device of underwater visible light communication system |
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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. |