CN203949773U - A kind of visual field pick-up unit for large visual field optical lens - Google Patents
A kind of visual field pick-up unit for large visual field optical lens Download PDFInfo
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- CN203949773U CN203949773U CN201420286471.9U CN201420286471U CN203949773U CN 203949773 U CN203949773 U CN 203949773U CN 201420286471 U CN201420286471 U CN 201420286471U CN 203949773 U CN203949773 U CN 203949773U
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- 230000000007 visual effect Effects 0.000 title claims abstract description 31
- 230000003287 optical Effects 0.000 title claims abstract description 22
- 238000005286 illumination Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000004364 calculation method Methods 0.000 abstract description 3
- 238000003384 imaging method Methods 0.000 description 12
- 230000000875 corresponding Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Abstract
The utility model relates to a kind of visual field pick-up unit for large visual field optical lens, it is characterized in that: at least comprise: scale member group, base, lens mounting frame, tested camera lens, microscope, microscope regulate support; Scale member group, lens mounting frame, microscope regulate support to be fixed on successively in optical mount, camera lens mounting bracket is fixed with tested camera lens, microscope regulates on support and is fixed with microscope, and it is upper and lower adjustable support that camera lens mounting bracket and microscope regulate support.Device of the present utility model has simple in structure, easy to process, low cost of manufacture; Accurate positioning, detection efficiently, do not need troublesome calculation; Handling safety, simple, easy to use, can be used for the visual field pick-up unit of large visual field optical lens.
Description
Technical field
The utility model belongs to optical detection apparatus, particularly a kind of visual field pick-up unit for large visual field optical lens.
Background technology
The visual field of existing large visual field optical lens is detected, when measurement, first form on the wall hot spot with illuminating lamp, by the hot spot imaging in microscopic examination camera lens, first mark hot spot is left side limit image space on the wall, mark hot spot right side limit image space on the wall again, then use tape measure left and right hot spot extreme position distance B and camera lens to metope distance L, pass through formula: 2 ω=2arctan (D/L) calculates angle of view ω.In measurement, because camera lens and microscope cannot be stablized fixingly, position easily changes, and easily causes measuring error, and measurement result precision is lower.And in the time measuring, need at least two people to coordinate and operate, required time of each camera lens measurement on average approximately 30 minutes.In actual detection, average for after reducing measuring error and must taking multiple measurements, calculate.This measuring method measuring process complexity, measuring accuracy are low, and test data is stable not, and accuracy of detection is not high enough, therefore, has greatly affected production efficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, easy to process, low cost of manufacture; Accurate positioning, detection efficiently, do not need troublesome calculation; Handling safety, simple, the visual field pick-up unit for large visual field optical lens easy to use.
The purpose of this utility model is achieved in that a kind of visual field pick-up unit for large visual field optical lens, it is characterized in that: at least comprise: scale member group, base, lens mounting frame, tested camera lens, microscope, microscope regulate support; Scale member group, lens mounting frame, microscope regulate support to be fixed on successively in optical mount, camera lens mounting bracket is fixed with tested camera lens, microscope regulates on support and is fixed with microscope, and it is upper and lower adjustable support that camera lens mounting bracket and microscope regulate support.
Described scale member group comprises scale frame, supporting seat, scale, and scale frame is fixed by supporting seat and base, and scale is fixed on scale frame upper end by locating piece and register pin, makes scale towards microscope.
Described scale is the long plate shape structure of 1100mm × 100mm × 7mm.
There is the light emitting diode of left side with mount pad in described scale left side, and there is the light emitting diode of left side with mount pad on scale right side; There is illumination slide block scale upper end.
The utility model has the advantages that: by designing a scale member group, it comprises scale frame, supporting seat, scale, and scale frame is fixed by supporting seat and base, makes scale towards microscope.Scale is the long plate shape structure of 1100mm × 100mm × 7mm, and there is the light emitting diode of left side with mount pad in scale left side, and there is the light emitting diode of left side with mount pad on scale right side; Left and right two mark lamps that camera lens corresponding on scale plate is required are lighted, and regulate microscopical position, and whether the imaging in viewing microscope can see two mark lamps of lighting clearly simultaneously.Represent that the imaging viewing field of camera lens meets designing requirement if can observe outside two mark lamps and two mark lamps, can judge that the imaging viewing field of this camera lens is qualified; The imaging viewing field that two mark lamps represent camera lens if cannot observe does not simultaneously meet designing requirement, can judge that the imaging viewing field of this camera lens is defective.This structure is easy to process, low cost of manufacture; Accurate positioning, detection efficiently, do not need troublesome calculation; Handling safety, simple.
Brief description of the drawings
Below in conjunction with embodiment accompanying drawing, the utility model is described in further detail:
Fig. 1 is the visual field detection architecture figure of the large visual field of the utility model optical lens;
Fig. 2 is that the utility model detects schematic diagram;
Fig. 3 is scale design concept figure;
Fig. 4 is scale structure schematic diagram.
In figure, 1. scale member group, 2. base, 3. lens mounting frame, 4. tested camera lens, 5. microscope, 6. microscope regulates support; 101. scales, 102. scale frames, 103. supporting seats, 104. locating pieces, 105. illumination slide blocks, 106. register pins, the light emitting diode of 107. left sides with mount pad, the light emitting diode of 108. right side band mount pads.
Embodiment
As shown in Figure 1: a kind of visual field pick-up unit for large visual field optical lens, at least comprises: scale member group 1, base 2, lens mounting frame 3, tested camera lens 4, microscope 5, microscope regulate support 6; Scale member group 1, lens mounting frame 3, microscope regulate support 6 to be fixed on successively in optical mount 2, camera lens mounting bracket 3 is fixed with tested camera lens 4, microscope regulates on support 6 and is fixed with microscope 5, it is upper and lower adjustable support that camera lens mounting bracket 3 and microscope regulate support 6, ensure the in the situation that of camera lens location and installation external diameter difference, realize tested optical center, coaxial with viewing microscope light pipe center, and consistent with scale angular range pilot lamp height.
As shown in Figure 2, before use, scale 101 is arranged on scale frame 102, and connects fastening.Tested camera lens 4 is arranged on lens mounting frame 3, and connects fastening.Then, adjustable lens erecting frame 3, microscope regulate height and the position, left and right of support 6, make tested camera lens 4 centers and microscope 5 central shafts on same axis, and ensure on optical center and scale that mark lamp place (light emitting diode 107 of left side with mount pad, the light emitting diode 108 of right side band mount pad) at grade.Light emitting diode 107 by left side corresponding on scale 101 with mount pad, the light emitting diode 108 of right side band mount pad is lighted, regulate the position of microscope 5, whether the imaging in viewing microscope 5 can see the light emitting diode 107 of the left side of lighting with mount pad clearly simultaneously, the light emitting diode 108 of right side band mount pad, if the visual field detected state of camera lens can be observed the light emitting diode 107 of left side with mount pad, outside the light emitting diode 108 of right side band mount pad and two mark lamps, represent that the imaging viewing field of camera lens meets designing requirement, the imaging viewing field that can judge this camera lens is qualified, if the light emitting diode 107 with mount pad simultaneously on the left of cannot observing, 108 imaging viewing fields that represent camera lenses of the light emitting diode of right side band mount pad do not meet designing requirement, can judge that the imaging viewing field of this camera lens is defective.
As shown in Figure 3, scale 104 designs according to lens parameters, calculate angle of view ω by formula 2 ω=2arctan (D/L), the field angle of scale 104 lens imagings represents with length, and marking forms: every once corresponding length of the scale right from optical center, as 30 ° of correspondences are therefrom offset 173.20 millimeters in mind-set side, 35 ° of correspondences are therefrom offset 210.10 millimeters in mind-set side, and 50 ° of correspondences are therefrom offset 357.50 millimeters in mind-set side.These scale both sides respectively scale have: 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, 60 °, both sides minimum scale is 60 °, and both sides maximum scale (full visual field) is 120 °; The corresponding pilot lamp of installing of each scale.Before detection, can be according to the field of view angle of lens design, select to open corresponding pilot lamp, provide clear mark for detecting.This setting can meet the visual field of most of imaging lens and detect demand.
As shown in Figure 4: scale member group comprises scale frame 102, supporting seat 103, scale 101, scale frame 102 is fixing with base 2 by supporting seat 103, scale 101 is fixed on scale frame 102 upper ends by locating piece 104 and register pin 106, makes scale 101 towards microscope 5.The long plate shape structure that scale 101 is 1100mm × 100mm × 7mm, there is the light emitting diode 107 of left side with mount pad in scale 101 left sides, and there is the light emitting diode 108 of left side with mount pad on scale 101 right sides; There is illumination slide block 105 scale 101 upper ends.
The parts that the present embodiment does not describe in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not narration one by one.
Claims (4)
1. for a visual field pick-up unit for large visual field optical lens, it is characterized in that: at least comprise: scale member group, base, lens mounting frame, tested camera lens, microscope, microscope regulate support; Scale member group, lens mounting frame, microscope regulate support to be fixed on successively in optical mount, camera lens mounting bracket is fixed with tested camera lens, microscope regulates on support and is fixed with microscope, and it is upper and lower adjustable support that camera lens mounting bracket and microscope regulate support.
2. a kind of visual field pick-up unit for large visual field optical lens according to claim 1, it is characterized in that: described scale member group comprises scale frame, supporting seat, scale, scale frame is fixed by supporting seat and base, scale is fixed on scale frame upper end by locating piece and register pin, makes scale towards microscope.
3. a kind of visual field pick-up unit for large visual field optical lens according to claim 2, is characterized in that: the long plate shape structure that described scale is 1100mm × 100mm × 7mm.
4. a kind of visual field pick-up unit for large visual field optical lens according to claim 2, is characterized in that: there is the light emitting diode of left side with mount pad in described scale left side, and there is the light emitting diode of left side with mount pad on scale right side; There is illumination slide block scale upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286471.9U CN203949773U (en) | 2014-05-30 | 2014-05-30 | A kind of visual field pick-up unit for large visual field optical lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286471.9U CN203949773U (en) | 2014-05-30 | 2014-05-30 | A kind of visual field pick-up unit for large visual field optical lens |
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| CN203949773U true CN203949773U (en) | 2014-11-19 |
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| CN201420286471.9U Active CN203949773U (en) | 2014-05-30 | 2014-05-30 | A kind of visual field pick-up unit for large visual field optical lens |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323599A (en) * | 2016-08-23 | 2017-01-11 | 中国科学院光电技术研究所 | Detecting method for imaging quality of large-field-of-view telescope optical system |
| CN107063642A (en) * | 2017-03-08 | 2017-08-18 | 上海斐讯数据通信技术有限公司 | A kind of visual field detection means and method that camera lens is taken the photograph for big visual field pair |
| CN114088206A (en) * | 2021-10-25 | 2022-02-25 | 中国电子科技集团公司第十一研究所 | Thermal imager field repositioning mechanism and use method thereof |
-
2014
- 2014-05-30 CN CN201420286471.9U patent/CN203949773U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323599A (en) * | 2016-08-23 | 2017-01-11 | 中国科学院光电技术研究所 | Detecting method for imaging quality of large-field-of-view telescope optical system |
| CN106323599B (en) * | 2016-08-23 | 2018-11-09 | 中国科学院光电技术研究所 | A kind of detection method of Large Area Telescope optical system imaging quality |
| CN107063642A (en) * | 2017-03-08 | 2017-08-18 | 上海斐讯数据通信技术有限公司 | A kind of visual field detection means and method that camera lens is taken the photograph for big visual field pair |
| CN114088206A (en) * | 2021-10-25 | 2022-02-25 | 中国电子科技集团公司第十一研究所 | Thermal imager field repositioning mechanism and use method thereof |
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