CN208366872U - A kind of device of detection and identification glass defect - Google Patents
A kind of device of detection and identification glass defect Download PDFInfo
- Publication number
- CN208366872U CN208366872U CN201820433557.8U CN201820433557U CN208366872U CN 208366872 U CN208366872 U CN 208366872U CN 201820433557 U CN201820433557 U CN 201820433557U CN 208366872 U CN208366872 U CN 208366872U
- Authority
- CN
- China
- Prior art keywords
- glass
- defect
- detection
- detected
- laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model belongs to the detection technique field of defects in glass, and in particular to a kind of device detected and identify Pt flash-point in glass defect, especially glass.The device includes sample load bearing unit, defect detection unit and defect estimation unit, the detection device optical system structure is reasonable, it can be exclusively used in the detection of glass Pt flash-point, macroscopical optical testing problem of large-size glass is efficiently solved, thoroughly avoid the measuring samples detection drawback big with small generation, the device is except for detecting in glass in addition to Pt flash-point, it can also be used to detect calculus and bubble, have the function of a tractor serves several purposes, and device manufacturing is at low cost；In use, determining the position of defects in glass by defect detection unit first, then start defect estimation unit, identify the type of defects in glass, by being successively scanned detection to glass, it is simple can accurately to obtain the position of defect and type, operating method in large-size glass.
Description
Technical field
The utility model belongs to the detection technique field of defects in glass, and in particular to a kind of to detect and identify that glass lacks
It falls into, the detection device of Pt flash-point especially in glass.
Background technique
Currently, high optical homogeneity, bubble-free, the preparation without the high quality optical glass such as calculus must in Pt container into
Row.Due to glass smelting temperature high (>=1300 DEG C), homogenising time length and containing strong component (such as PbO, the Ta of being corrosive2O5、
Sb2O3) etc., glass melt can generate certain destruction to Pt container in preparation process, thus inevitably in glass
Pt flash-point defect is formed, and then reduces glass inherent quality.Such as the Pt flash-point in laser glass, it can become and cause laser action
When destruction center；Pt flash-point in advanced lens element will lead into image confusion；For manufacturing the core material glass of optical fiber
In Pt flash-point, optical fiber light transmittance can be significantly reduced.For this purpose, the Pt flash-point how detected in glass becomes glass manufacturing area
Focus.
Since Pt flash-point is microdefect, detection device the defects of being used for Bubbles in Glass or calculus conventional at present is not
The detection of Pt flash-point in glass can be directly used in, in the prior art the detection method of glass Pt flash-point mainly to glass to be checked into
Row sampling, is processed into about 10 × 10 × 0.5mm thin slice, carries out by instruments such as optical microscopy, scanning electron microscope and electron probes
Microscopic appearance and microregion element analysis.That is, common detection methods are judged greatly by characterizing to glass microcell at present
Block glass whether there is Pt flash-point, and can not directly detect the optical quality of structural glass, there is a problem of with small generation it is complete；This
Outside, microcosmic detection equipment is expensive, process is complicated, this seriously affects glass quality evaluation and test.Therefore, large-size glass or device are developed
The device for fast detecting and method of middle Pt flash-point are of great significance.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome in the prior art can not directly detect large scale
Pt flash-point defect in glass, to provide in a kind of detection and identification large-size glass Pt flash-point in defect, especially glass
Device for fast detecting.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of device of detection and identification glass defect, including,
Sample load bearing unit, to support and move glass to be detected；
Defect detection unit, to determine the position of glass defect；
Defect estimation unit, identifying the type of the glass defect, including,
Light source is detected, the side of glass to be detected is set to,
The eyepiece and object lens being accordingly arranged, eyepiece and object lens structure imaging system, to adjust the clarity of defect image, institute
It is opposite with the detection light source to state eyepiece and object lens, is set to the other side of glass to be detected,
Polarised light forms part, including a pair of of the polariscope being accordingly arranged, when differentiating to defect kind, wherein a polarisation
Mirror is moved between the eyepiece and object lens, and another polariscope is moved to the side of the close detection light source of the glass to be detected,
For forming polarised light in defect estimation unit.
Further, the sample load bearing unit, including pedestal, the objective table being set on the pedestal, the loading
Light hole is provided on platform, and the moving assembly being set on the objective table, the moving assembly is to movement glass to be detected
Glass defect is directed at the light hole by glass.
Further, stating defect detection unit includes the laser for emitting laser and the beam expander for expanding the laser, institute
Laser is stated after beam expander expands, the glass to be detected is scanned, to determine the position of glass defect.
Further, the defect detection unit further includes shield screen, and the shield screen is movably arranged to block or not
It blocks through the widened laser of the beam expander.
Further, when differentiating to defect kind, the eyepiece and object lens, the pair of polariscope, the detection
Light source, the light hole and the glass defect are located on same axis.
Further, the light that the light that the detection light source issues is issued with the laser is mutually perpendicular to.
Further, the light that the detection light source issues runs through the thickness of the glass.
Further, the detection light source is white light source.
Further, defect estimation unit further includes adjuster, to adjust the object lens at a distance from glass to be detected,
The effect of support eyepiece, polariscope and object lens is also acted as simultaneously.
Preferably, the laser is single longitudinal mode green light solid laser or single longitudinal mode blue light solid state laser device.Institute
The beam spread multiple for stating beam expander is 2-10 times, and the beam spread multiple of beam expander can be adjusted according to test sample thickness
It is whole.The objective table can move up and down, for adjusting the height of glass to be detected.
Technical solutions of the utility model have the advantages that
1. the device of detection provided by the utility model and identification glass defect, including sample load bearing unit, defects detection
Unit and defect estimation unit, the detection device optical system structure is reasonable, can be exclusively used in the detection of glass Pt flash-point, effectively solve
It has determined macroscopical optical testing problem of large-size glass, has thoroughly avoided the test sample detection drawback big with small generation, except using
In detection glass outside Pt flash-point, it may also be used for detection calculus and bubble have the function of a tractor serves several purposes, and the device manufacturing cost
Low, operating method is simple.
2. the device of detection provided by the utility model and identification glass defect, when use, pass through defect detection unit first
It determines the position of defects in glass, then starts defect estimation unit, the type of defects in glass is identified, by successively to glass
It is scanned detection, can accurately obtain the position of defect and type in large-size glass, it is easy to operate.
Detailed description of the invention
It, below will be to required in specific embodiment description in order to illustrate more clearly of specific embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiment party of the utility model
Formula without creative efforts, can also obtain according to these attached drawings for those of ordinary skill in the art
Obtain other attached drawings.
Fig. 1 is the schematic device of detection and identification glass defect provided by the utility model.
In figure, 1-laser；2-beam expanders；3-block screen；4-eyepieces；5-polariscopes；6-object lens；7-are adjusted
Device；8-glass to be detected；9-objective tables；10-pedestals；11-moving assemblies；12-detection light sources.
Specific embodiment
Embodiment 1
The device of detection and identification glass defect provided in this embodiment lacks as shown in Figure 1, including sample load bearing unit
Fall into detection unit and defect estimation unit, wherein the sample load bearing unit, including pedestal 10 are set on the pedestal 10
Objective table 9, the objective table 9 can move up and down, for adjusting the height of glass 8 to be detected, set on the objective table 9
It is equipped with light hole, and the moving assembly 11 being set on the objective table 9, the moving assembly 11 is to movement glass to be detected
Glass defect is directed at the light hole；Stating defect detection unit includes the laser 1 and the expansion laser for emitting laser
Beam expander 2, the laser scans the glass 8 to be detected after the expansion of beam expander 2, described to determine the position of glass defect
Defect detection unit further includes shield screen 3, and the shield screen 3 is movably arranged to block or not block and expand through the beam expander 2
Big laser；The defect estimation unit includes detection light source 12, is set to the side of glass 8 to be detected, the mesh being accordingly arranged
Mirror 4 and object lens 6,6 structure imaging system of eyepiece 4 and object lens, to adjust the clarity of defect image, the eyepiece 4 and object lens 6 with
The detection light source 12 is opposite, and the other side and polarised light for being set to glass 8 to be detected form part, including be accordingly arranged one
To polariscope 5, when differentiating to defect kind, wherein a polariscope is moved between the eyepiece 4 and object lens 6, it is another inclined
Light microscopic is moved to the glass to be detected 8 close to the side of detection light source 12, for forming polarised light in defect estimation unit.
Preferably, laser 1 described in the utility model embodiment is commercially available 300mW single longitudinal mode green laser
Device, wavelength 532nm, beam diameter 1.5mm；Or be commercially available 200mW single longitudinal mode blue laser, wavelength 457nm or 473nm,
Beam diameter 1mm；The beam spread adjustable magnification of beam expander 2, be × 2, × 5 and × 10, power≤200mW, be used for laser
1 output beam of device is extended.The beam center of laser 1 and beam expander 2 is overlapped.
The device of detection and identification glass defect provided by the utility model, concrete operations when use are as follows:
(1) the ultrashort flint glass blank of 300 × 300 × 40mm of size is processed by shot blasting.
(2) start laser 1 and beam expander 2 (× 10), the laser 1 is commercially available 300mW single longitudinal mode green laser
Device, wavelength 532nm, beam diameter 1.5mm；Objective table 9 is adjusted, carries out layer-by-layer laser since 8 sample bottom of glass to be detected
Defect area is adjusted to 9 center of objective table, suspends laser scanning by scanning if non-glass volume defect occurs in scanning area.
(3) start white light source 12, adjust the distance between object lens 4 and glass 8 to be detected, found in 4 visual field of eyepiece
Non-glass volume defect.Adjust eyepiece and object lens magnification (× 100), it is ensured that defect image is clear.Polariscope 5 is adjusted, if lacking
There is frosting phenomenon in sunken image, and shows triangle or hexagonal structure, can be determined as Pt flash-point；If it is existing delustring occur
As, but not shown triangle or hexagonal structure out, it can be determined as calculus；If not occurring frosting phenomenon, decision bits bubble.
(4) white light source 12 is closed, laser is opened, continues to detect glass 8 to be detected.
(5) after having detected, defect estimation unit and defect detection unit are successively closed, and adjust eyepiece 4, object lens 6, polarisation
The playback such as mirror 5 and objective table 9.
After detection, it is found that Pt flash-point number is 3 in the glass, number of bubbles is 2, no calculus.
Described non-glass volume defect refers to all defect in addition to homogeneous glass in the utility model, including bubble,
Striped, calculus and flash-point etc..Under one-wavelength laser imaging, glass is homogeneous, if there is exception, can be judged as non-glass body
Defect.Described Extinction characteristics refer to: delustring is that dark phenomenon is presented in sample sheet under crossed nicols.Sample sections exist
When extinction position, indicatrix ellipse radii is parallel with upper and lower polariscope direction of vibration.If placing other directions of heterogeneous body (to remove
Outside vertical optical axis) slice, 360 ° of rotatable stage, the ken have four times become clear four dark, i.e., four bright four dim phenomenons.If presenting
Frosting phenomenon illustrates that substance has well-regulated structure, is crystalline material.
As alternative embodiment, specific steps are as follows:
(1) the DM305 chunk glass of 400 × 30mm of size Φ is processed by shot blasting.
(2) start laser 1 and beam expander 2 (× 5), the laser 1 is commercially available 200mW single longitudinal mode blue laser
Device, wavelength 457nm, beam diameter 1mm, opening block screen 3, adjust objective table 9, are successively swashed since glass sample bottom
Defect area is adjusted to 9 center of objective table if non-glass volume defect occurs in scanning area by optical scanning, temporary using screen 3 is blocked
Stop laser scanning.
(3) start white light source 12, adjust the distance between object lens 6 and glass, find non-glass body in 4 visual field of eyepiece
Defect.Adjust eyepiece and object lens magnification (× 200), it is ensured that defect image is clear.Polariscope 5 is adjusted, if defect image goes out
Existing frosting phenomenon, and triangle or hexagonal structure are showed, it can be determined as Pt flash-point；If there is frosting phenomenon, but it is not in
Reveal triangle or hexagonal structure, can be determined as calculus；If not occurring frosting phenomenon, decision bits bubble.
(4) white light source 12 is closed, opening blocks screen 3, continues to detect glass sample.
(5) after having detected, defect estimation unit and defect detection unit are successively closed, and adjust eyepiece 4, object lens 6, block
The playback such as screen 3, polariscope 5 and objective table 9.
After detection, it is found that Pt flash-point number is 1 in the glass, number of bubbles is 6, no calculus.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And thus amplify out it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (9)
1. the device of a kind of detection and identification glass defect, which is characterized in that including,
Sample load bearing unit, to support and move glass to be detected；
Defect detection unit, to determine the position of glass defect；
Defect estimation unit, identifying the type of the glass defect, including,
Light source is detected, the side of glass to be detected is set to,
The eyepiece and object lens being accordingly arranged, to adjust the clarity of defect image, the eyepiece and object lens and the detection light
Source is opposite, is set to the other side of glass to be detected,
Polarised light forms part, including a pair of of the polariscope being accordingly arranged, when differentiating to defect kind, wherein a polariscope moves
It moves between the eyepiece and object lens, another polariscope is moved to the glass to be detected close to the side of detection light source.
2. the device of detection according to claim 1 and identification glass defect, which is characterized in that
The sample load bearing unit, including pedestal, the objective table being set on the pedestal are provided with light passing on the objective table
Hole, and the moving assembly being set on the objective table, the moving assembly is to movement glass to be detected by glass defect pair
The quasi- light hole.
3. the device of detection according to claim 2 and identification glass defect, which is characterized in that
The defect detection unit includes the laser for emitting laser and the beam expander for expanding the laser, and the laser is through expanding
After device expands, the glass to be detected is scanned, to determine the position of glass defect.
4. the device of detection according to claim 3 and identification glass defect, which is characterized in that the defect detection unit
It further include shield screen, the shield screen is movably arranged to block or not block through the widened laser of the beam expander.
5. the device of detection according to claim 3 or 4 and identification glass defect, which is characterized in that
When differentiating to defect kind, the eyepiece and object lens, the pair of polariscope, the detection light source, the light passing
Hole and the glass defect are located on same axis.
6. the device of detection according to claim 5 and identification glass defect, which is characterized in that
The light that the light that the detection light source issues is issued with the laser is mutually perpendicular to.
7. the device of detection according to claim 6 and identification glass defect, which is characterized in that the detection light source issues
Light run through the glass thickness.
8. the according to claim 1, device of detection described in 2,4,6 or 7 and identification glass defect, which is characterized in that the inspection
Survey light source is white light source.
9. the device of detection according to claim 3 and identification glass defect, which is characterized in that defect estimation unit also wraps
Adjuster is included, to adjust the distance between the object lens and glass to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433557.8U CN208366872U (en) | 2018-03-28 | 2018-03-28 | A kind of device of detection and identification glass defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433557.8U CN208366872U (en) | 2018-03-28 | 2018-03-28 | A kind of device of detection and identification glass defect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366872U true CN208366872U (en) | 2019-01-11 |
Family
ID=64922446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820433557.8U Active CN208366872U (en) | 2018-03-28 | 2018-03-28 | A kind of device of detection and identification glass defect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366872U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195850A (en) * | 2018-03-28 | 2018-06-22 | 中国建筑材料科学研究总院有限公司 | A kind of device and method detected and identify glass defect |
| CN110044932A (en) * | 2019-04-23 | 2019-07-23 | 华中科技大学 | A kind of detection method on bend glass surface and internal flaw |
| CN116835863A (en) * | 2023-07-14 | 2023-10-03 | 连云港双石特种玻璃有限公司 | Processing equipment capable of accurately controlling thickness of special glass and application method thereof |
-
2018
- 2018-03-28 CN CN201820433557.8U patent/CN208366872U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195850A (en) * | 2018-03-28 | 2018-06-22 | 中国建筑材料科学研究总院有限公司 | A kind of device and method detected and identify glass defect |
| CN110044932A (en) * | 2019-04-23 | 2019-07-23 | 华中科技大学 | A kind of detection method on bend glass surface and internal flaw |
| CN116835863A (en) * | 2023-07-14 | 2023-10-03 | 连云港双石特种玻璃有限公司 | Processing equipment capable of accurately controlling thickness of special glass and application method thereof |
| CN116835863B (en) * | 2023-07-14 | 2023-12-12 | 连云港双石特种玻璃有限公司 | Processing equipment capable of accurately controlling thickness of special glass and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208366872U (en) | A kind of device of detection and identification glass defect | |
| JP4312777B2 (en) | Confocal self-interference microscope with side lobes removed | |
| US9436990B2 (en) | Defect observation method and device therefor | |
| CN103364176A (en) | Testing system for laser induced damage threshold | |
| DE112020003326T5 (en) | Strontium tetraborate as an optical glass material | |
| EP3574333B1 (en) | Device and method for testing photonic integrated circuits | |
| CN108195850A (en) | A kind of device and method detected and identify glass defect | |
| CN111638596A (en) | Confocal microscope | |
| Ďurák et al. | Comparison of different LIDT testing protocols for PW and multi-PW class high-reflectivity coatings | |
| JP2007163315A (en) | Method of measuring shape and position of defect in transparent material | |
| JP2003121385A (en) | Method and device for inspecting inside of vitreous silica material for defect | |
| CN212276089U (en) | Confocal microscope | |
| KR980010522A (en) | An alignment film inspection apparatus and an alignment film inspection method using the apparatus | |
| RU2746674C1 (en) | Method for visual-optical surface control | |
| CN112179917A (en) | Detection device and detection method for internal defects and residual stress of fluoride crystal | |
| CN118112003A (en) | Quality detection method and system for polycrystalline silicon for zone melting | |
| JP2004309137A (en) | Method and apparatus for inspecting defect inside quartz glass | |
| CN111982832B (en) | Measuring method and measuring instrument for two-dimensional material domain size | |
| Li et al. | Inspection and Image Analysis of Nickel Sulphide Inclusions in Toughened Glass Panels | |
| KR20220158463A (en) | Apparatus and method for inspection of transparent thin material | |
| TW202343072A (en) | Microscopic observation method and microscopic observation device | |
| Cabodi et al. | HOW EFFICIENT NON-DESTRUCTIVE CONTROLS OF FUSED-CAST AZS WILL SUPPORT HIGH QUALITY GLASS MELTING | |
| JPH0541551Y2 (en) | ||
| CN116256375A (en) | Rapid LBIC scanning device and method based on non-uniform sampling | |
| JPS60201639A (en) | Inspecting device for wafer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |