CN103196831A - Optical sight adjusting method - Google Patents
Optical sight adjusting method Download PDFInfo
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- CN103196831A CN103196831A CN2012100033400A CN201210003340A CN103196831A CN 103196831 A CN103196831 A CN 103196831A CN 2012100033400 A CN2012100033400 A CN 2012100033400A CN 201210003340 A CN201210003340 A CN 201210003340A CN 103196831 A CN103196831 A CN 103196831A
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- 239000000463 material Substances 0.000 claims description 5
- 230000035515 penetration Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000011514 reflex Effects 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 abstract 4
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- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The invention relates to an optical sight adjusting method. An optical detection apparatus for realizing the method comprises an optoelectronic coupler, a lens and an emission light source, the lens is positioned in front of the optoelectronic coupler, lights emitted by the emission light source are projected on a reflection assembly, then are reflected to an object to be measured and are finally incident to the lens and the optoelectronic coupler, a first included angle is formed between the beam path of the lens and the optoelectronic coupler and a normal, a third included angle is formed between the reflection light reflected to the object to be measured from the reflection assembly, and a second included angle is formed between the reflection assembly and a normal parallel extension line. The method utilizes the third included angle of the reflection assembly to realize position movement and angle adjustment in horizontal and vertical directions, so a problem that the position of an emission light source machine having a huge volume and difficult to move cannot be adjusted in a traditional technology is improved, and the sight luminosity of the emission light source can be adjusted only through slightly adjusting the light, thin and miniature reflection assembly.
Description
Technical field
The present invention relates to a kind of optics visual field method of adjustment, it carries out the traversing purpose of adjusting transmitting illuminant light and shade field luminance of reaching of horizontal direction with the 3rd folded angle of reflecting optics assembly.
Background technology
Bright-field observe principle system with the light uniform irradiation on determinand, the observed pattern of the light that catches the transmission article or reflect, go out the correlative value of institute's observed image then from the corresponding numerical evaluation of the light transmittance of article or reflectivity, belong to the most basic observation procedure.
Dark field is observed principle be light via dark-field condenser not direct irradiation on determinand, but only light is slanted on determinand, the diffraction light that utilizes the condenser internal reflection to produce is radiated at the determinand surface, therefore only catch the scattered beam of article surface, produce the effect that background is dark, main body is luminous through this.
During practical application; usually checkout equipment is at printed circuit board (PCB); the various sizes liquid crystal panel; semiconductor crystal wafer; crystal grain or chip; the sample of relevant tool minute surface materials such as irradiation eyeglass or clear glass is when the deepening of observation thing demonstration image background; then the scattered beam that reflects of its trickle scar or concavo-convex defective place just can be detected instrument and knows and see; namely be called dark field observation this moment; because under some particular case; circuit board; liquid crystal panel; wafer; the sample of relevant tool minute surface such as eyeglass or glass material all exists defective and uneven putting in order very fine and that naked eyes can't be discovered; utilize common bright-field observation also can't in time discover, must use the dark field observed pattern through the accurate pick-up unit of high sensitivity the determinand microscopic defect is pointed out this moment.
As shown in Figure 1, be the optical states emulation synoptic diagram of legacy transmission light source adjustment.The operating distance of fixed transmission light source 1 and linear sweep image-taking system at first, then the image-taking system angular setting is fixed, it is video camera 2 and the folded left side angle theta 11 of camera lens 3 and determinand 4 incident ray paths and first normal 5, see through then and move transmitting illuminant 1 member position mobile process, finish the light-source system secured in alignment to right side angle theta 12, see through operating personnel's actual demand, be adjusted to bright-field (light reflection) or dark field (light diffusion) state, also can be light and shade visual field state, be exactly among the light and shade visual field has a common boundary between the zone.
Learning via above-mentioned explanation that the light and shade visual field state adjustment of conventional light source system must directly utilize moves transmitting illuminant 1 member position and finishes calibration procedure, when determinand volume and weight heal when huge, then transmitting illuminant 1 component volume and weight also can be huger relatively, so will cause the more inconvenient and calibration accuracy of operation also can be influenced
Summary of the invention
The purpose of this invention is to provide a kind of reflecting optics design, the 3rd angle that reflection subassembly and normal extension line is folded carries out position and the angular movement adjustment of level and vertical direction, improve in the conventional art directly at the disappearance of bulky and mobile difficult transmitting illuminant board position adjustments, only can finish visual field shading value adjustment to transmitting illuminant through finely tuning frivolous miniature reflection subassembly.
For realizing above-mentioned purpose, the present invention proposes a kind of optics visual field method of adjustment, comprising: photoelectrical coupler, lens and transmitting illuminant; The present invention system is applied in the optical detection apparatus, lens are positioned at photoelectrical coupler side before, transmitting illuminant is projeced into the reflection subassembly back reflection to determinand, then be incident to lens and photoelectrical coupler, these lens and photoelectrical coupler and normal form first angle, reflected ray and normal that reflection subassembly reflexes to determinand form the 3rd angle, and reflection subassembly and normal parallel extension line form second angle.The present invention utilizes the 3rd folded angle of reflection subassembly to carry out position and the angular movement adjustment of level and vertical direction, improve in the conventional art directly at the disappearance of bulky and mobile difficult transmitting illuminant board position adjustments, only can finish visual field shading value adjustment to transmitting illuminant through finely tuning frivolous miniature reflection subassembly.
The design of penetration eyeglass, reflection subassembly is arranged on the transmitting illuminant projected path, because reflexing to reflection paths and the normal of determinand, reflection subassembly can form one the 3rd angle, and reflection subassembly and normal parallel extension line also can form one second angle, when determinand need carry out the adjustment of the light and shade visual field, earlier following columns is learned equation and is calculated the angle that the 3rd angle needs displacement, directly position and the angular movement adjustment of penetration component level and vertical direction then, reflection subassembly is finely tuned the 3rd angle that calculates to mathematical equation move numerical value and adjust angle, finish the shading value adjustment of the transmitting illuminant visual field through this.
(90 degree-2* θ 2)=θ 3
In addition, because reflection subassembly selects for use the reflecting optics material to form, its reflection efficiency is preferable and the energy of light source loss is low, even the adjustment angle numerical value that calculates is very negligible, can reach position and the angular setting purpose of level and vertical direction equally by frivolous miniature reflection subassembly easily.
Description of drawings
Fig. 1 is the optical states emulation synoptic diagram of known techniques.
Fig. 2 is the optical states emulation synoptic diagram of first embodiment of the invention.
Fig. 3 is that second embodiment of the invention is at the traversing optical states emulation synoptic diagram in reflection subassembly horizontal direction position.
Fig. 4 is that third embodiment of the invention is at the optical states emulation synoptic diagram of reflection subassembly vertical direction angle fine setting.
The drawing reference numeral explanation:
1 transmitting illuminant, 2 video cameras, 3 camera lenses
4 determinands, 5 first normal θ, 11 left side angles
θ 12 right side angles 21 photoelectrical couplers 22 lens
23 transmitting illuminants, 24 reflection subassemblies, 25 determinands
26 second normal θ, 1 first angle theta, 2 second angles
θ 3 the 3rd angle
Embodiment
As shown in Figure 2, the present invention is mainly used in the optical detection apparatus, comprising: photoelectrical coupler 21, lens 22 and transmitting illuminant 23; Lens 22 are positioned at photoelectrical coupler 21 side before, transmitting illuminant 23 is projeced into reflection subassembly 24 back reflections to determinand 25, then be incident to lens 22 and photoelectrical coupler 21, this determinand 25 to beam path and second normal 26 of lens 22 and photoelectrical coupler 21 forms one first angle theta 1, reflected ray and second normal 26 that reflection subassembly 24 reflexes to determinand 25 can form one the 3rd angle theta 3, wherein determinand 25 horizontal surfaces are all orthogonal with second normal 26, and reflection subassembly 24 and second normal 26 extend in parallel line and then form one second angle theta 2.
In above-mentioned, the lens design of penetration assembly 24, when transmitting illuminant 23 is desired to carry out the projection state adjustment of bright-field or dark field, mathematical equation via (90 degree-twices, second angle)=the 3rd angle, obtaining folded the 3rd angle theta 3 levels of reflection subassembly 24 and second normal 26 or vertical direction needs the shift position distance values and adjusts angle, calculating is finished only to be needed to finely tune and transmitting illuminant 23 visual field shading values can be adjusted at reflection subassembly 24, and the 3rd angle theta 3 shift lengths and adjustment angle mathematical computations equation are following listed:
(90 degree-2* θ 2)=θ 3
In above-mentioned, because the present invention's reflection subassembly 24 selects for use the reflecting optics material to form, its reflection efficiency is good and the energy of light source loss is low, when determinand 25 to first angle theta 1 of the beam path of lens 22 and photoelectrical coupler 21 and 26 formation of second normal adjust fixing after, this moment, first angle theta 1 was the fixed value of image-taking system, even therefore the 3rd angle theta 3 numerical value that calculate are very negligible, can reach position and the angle calibration system purpose of level and vertical direction equally by frivolous miniature reflection subassembly 24 easily, need not consider how to finely tune at the transmitting illuminant member fully, calibration accuracy is more accurate simultaneously.
As shown in Figure 3, at the traversing optical states emulation synoptic diagram in reflection subassembly horizontal direction position.Described as aforementioned first embodiment, when transmitting illuminant 23 desires to carry out the fine setting of the light and shade visual field, obtain the angle of the 3rd angle theta 3 via mathematical equation, then reflection subassembly 24 is carried out horizontal direction position, front and back apart from movement, make transmitting illuminant 23 visual field shading values have best image-taking system angle.
As shown in Figure 4, at the optical states emulation synoptic diagram of reflection subassembly vertical direction angle fine setting.Present embodiment and above-mentioned second embodiment are roughly the same, its difference only is after the 3rd angle theta 3 utilizes mathematical equation to obtain need fine setting angle numerical value, reflection subassembly 24 is carried out the vertical direction high and low position apart from movement, obtain transmitting illuminant 23 optimum field shading values through this.
In sum, by reflection subassembly 24 lens design of the present invention, really can effectively do the optimization adjustment at the visual field shading value of transmitting illuminant 23 image-taking system angles, and calibration precision is more accurate, improves disappearance and the inconvenience of the direct mobile transmitting illuminant 23 member modes of known techniques fully.
The explanation of doing only and the demonstration of drawing be the only single preferred embodiment for utilizing technological means of the present invention to present all, from can not be in order to limit interest field of the present invention, such as have in the affiliated technical field and know that usually the knowledgeable quotes equivalence modification or variation design that spirit of the present invention is done, the narration that all should be claim is contained, and closes first Chen Ming.
Claims (6)
1. optics visual field method of adjustment, be applied in the optical detection apparatus, comprise: photoelectrical coupler, lens are positioned at photoelectrical coupler the place ahead, it is characterized in that: transmitting illuminant is projeced into the reflection subassembly back reflection to determinand, then be incident to lens and photoelectrical coupler, lens and photoelectrical coupler and normal form one first angle, reflected ray and normal that reflection subassembly reflexes to determinand form one the 3rd angle, reflection subassembly and normal parallel extension line form one second angle, penetration module position calibration procedure carries out the shading value adjustment of the transmitting illuminant visual field, and its adjustment mode is position and the angular movement adjustment that the 3rd angle that reflection subassembly is folded carries out level and vertical direction.
2. disposal system as claimed in claim 1 is characterized in that the 3rd angle displacement angle computing formula is (90 degree-twices, second angle)=the 3rd angle.
3. disposal system as claimed in claim 1 is characterized in that the 3rd angle displacement angle computing formula mathematical equation is (90 degree-2* θ 2)=θ 3.
4. disposal system as claimed in claim 1 is characterized in that reflection subassembly system selects for use the eyeglass material to form.
5. disposal system as claimed in claim 1 is characterized in that the fixed value that first angle is finished for the image-taking system adjustment.
6. disposal system as claimed in claim 1 is characterized in that determinand horizontal surface system is orthogonal with normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100033400A CN103196831A (en) | 2012-01-06 | 2012-01-06 | Optical sight adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100033400A CN103196831A (en) | 2012-01-06 | 2012-01-06 | Optical sight adjusting method |
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| CN103196831A true CN103196831A (en) | 2013-07-10 |
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| CN2012100033400A Pending CN103196831A (en) | 2012-01-06 | 2012-01-06 | Optical sight adjusting method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109384374A (en) * | 2018-11-30 | 2019-02-26 | 中国建筑材料科学研究总院有限公司 | A kind of glass molding monitoring system and its method |
| CN109490333A (en) * | 2018-10-26 | 2019-03-19 | 北京协同创新研究院 | A kind of industrial nondestructive testing X ray image plate laser scanner |
| CN109991019A (en) * | 2017-08-11 | 2019-07-09 | 西华大学 | automobile visual field checking method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6771805B1 (en) * | 1999-10-06 | 2004-08-03 | Keiso Research Laboratories, Inc. | Perspective viewing inspection system |
| CN1637409A (en) * | 2003-12-23 | 2005-07-13 | De&T株式会社 | Check device for flat display |
| CN101371131A (en) * | 2005-07-08 | 2009-02-18 | 柯尼格及包尔公开股份有限公司 | device for inspecting surfaces |
| JP2010048712A (en) * | 2008-08-22 | 2010-03-04 | Olympus Corp | Defect inspection device |
-
2012
- 2012-01-06 CN CN2012100033400A patent/CN103196831A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6771805B1 (en) * | 1999-10-06 | 2004-08-03 | Keiso Research Laboratories, Inc. | Perspective viewing inspection system |
| CN1637409A (en) * | 2003-12-23 | 2005-07-13 | De&T株式会社 | Check device for flat display |
| CN101371131A (en) * | 2005-07-08 | 2009-02-18 | 柯尼格及包尔公开股份有限公司 | device for inspecting surfaces |
| JP2010048712A (en) * | 2008-08-22 | 2010-03-04 | Olympus Corp | Defect inspection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991019A (en) * | 2017-08-11 | 2019-07-09 | 西华大学 | automobile visual field checking method |
| CN109490333A (en) * | 2018-10-26 | 2019-03-19 | 北京协同创新研究院 | A kind of industrial nondestructive testing X ray image plate laser scanner |
| CN109384374A (en) * | 2018-11-30 | 2019-02-26 | 中国建筑材料科学研究总院有限公司 | A kind of glass molding monitoring system and its method |
| CN109384374B (en) * | 2018-11-30 | 2024-05-31 | 中国建筑材料科学研究总院有限公司 | Glass forming monitoring system and method |
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Application publication date: 20130710 |