CN206399566U - Glass surface stress detection device and the detection prism for it - Google Patents
Glass surface stress detection device and the detection prism for it Download PDFInfo
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- CN206399566U CN206399566U CN201621292147.3U CN201621292147U CN206399566U CN 206399566 U CN206399566 U CN 206399566U CN 201621292147 U CN201621292147 U CN 201621292147U CN 206399566 U CN206399566 U CN 206399566U
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Abstract
This application discloses a kind of glass surface stress detection device and the detection prism for it.The detection means includes:Lighting unit;Prism is detected, it has detection surface, at least part light is incident to detection surface and after being propagated along detected glass surface by detecting that surface coupling is exported with the cirtical angle of total reflection;Imaging unit, for forming detection image;And it is arranged in the cylindrical mirror in the light path between the lighting unit and the detection surface of the detection prism, the light path plane normal for being axially perpendicular at least part light and the common place of detection normal to a surface of the cylindrical shape of the cylindrical mirror.The reflecting surface of the cylindrical shape makes beam divergence or convergence, the light incided on detection surface is had the different incidence angles comprising the cirtical angle of total reflection, enabling to mitigate and even save the work of manual adjustment incidence angle, and make the overall structure of device compacter.
Description
Technical field
This disclosure relates to a kind of optical detection apparatus, more particularly to a kind of glass surface stress detection device.
Background technology
Glass plate is material all common in daily life and industrial production.In order to weigh glass sheet quality, ensure glass
The safety that plate is used, it is often necessary to measured to the stress in glass plate.In order to detect glass plate stress, in standards such as national standards
Middle regulation, the surface stress of glass is measured using birefringent mode, to characterize the stress level of inside glass.At present, it is actual
In use, determining the mode of glass surface stress mainly has:Differential surface refraction process DSR (Differential Surface
Refractometry), surface sweep angle polarisation method GASP (Grazing Angle Surface Plarimetry), and in the recent period
The method that Estonia is proposed transmission laser.Wherein GASP modes have higher to surface stress than relatively low safety glass
Measurement accuracy, it is adaptable to the architectural semi-tempered glass used surface stress detection.
GASP measuring principle is:Incident polarization light beam enter glass surface thin layer, parallel glass surface run one section away from
Glass is left from after, due to glass surface stress, light beam produces birefringent phenomenon, and its optical path difference can accurately be surveyed by wedge
Go out.Wedge can be made into a variety of accuracy classes, therefore regardless of stress intensity, GASP can be determined accurately.
However, the glass surface stress detection device of existing GASP modes needs to adjust angle of incident light in measurement process
Degree and two frees degree of incidence point, needed after outgoing adjust speculum position and angle, the part manually adjusted compared with
Many, cumbersome, efficiency is low, it is impossible to worked under strong light, adaptability is low, and equipment volume is big, carries inconvenient.
Utility model content
In view of drawbacks described above present in prior art or deficiency, the utility model provide a kind of simple in construction, operation
Easy Portable glass surface stress detection means.
According to one side of the present utility model there is provided a kind of glass surface stress detection device, it includes:Illumination is single
Member, for providing polarization illumination light;Prism is detected, it has the inspection for being used for fitting to be detected with the surface of detected glass
At least part light surveyed in surface, the light from the lighting unit is incident to the inspection of the detection prism with the cirtical angle of total reflection
Surface is surveyed, and is led after being propagated along detected glass surface by the detection surface from the detected glass surface coupling
Go out;And imaging unit, the imaging unit be arranged to receive from it is described detection prism light and form detection image, wherein, institute
Stating glass surface stress detection device also includes being arranged between the lighting unit and the detection surface of the detection prism
Cylindrical mirror in light path, the cylindrical shape of the cylindrical mirror is axially perpendicular at least part light and the detection
Light path plane normal where normal to a surface is common.
The cylindrical mirror can be convex surface cylindrical mirror.
Preferably, the cylindrical mirror is concave surface cylindrical mirror.
In certain embodiments, the cylindrical mirror is the reflection being arranged between the lighting unit and detection prism
Mirror.
Preferably, the detection prismatic construction is so that straight after the light incidence detection prism from the cylindrical mirror
Connect and be irradiated on the detection surface.
The detection prism can include importing prism, export prism and be arranged between importing prism and export prism
Diaphragm, the detection surface is formed by the importing prism and the respective surface coplanar with each other of export prism.
In further embodiments, the cylindrical mirror can by it is described detection prism, for enter detection rib
The light of mirror is reflected and is channeled to the reflecting surface composition on the detection surface.
Preferably, it is described detection prism include import prism, export prism and be arranged on importing prism and export prism it
Between diaphragm, the detection surface is formed by the importing prism and export prism respective surface coplanar with each other, described anti-
Face is penetrated to be formed on the importing prism.
Preferably, the importing prism and export prism are integrally formed, and the diaphragm of the detection prism is by being arranged on
The groove imported on prism and export prism is formed.
The glass surface stress detection device can also include being arranged on rising on the incidence surface of the detection prism
Inclined device.
According to other side of the present utility model, a kind of detection rib for glass surface stress detection device is also provided
Mirror, it is with the detection surface for being used to fit to be detected with the surface of detected glass and for entering detection prism
Light reflected and light be directed to the cylindrical surface for reflection face on the detection surface, the axial direction of the cylindrical shape in the cylindrical surface for reflection face
Parallel to the detection surface.
Preferably, the cylindrical surface for reflection mask cylindrical shape with concave surfaces.
The detection prism can include importing prism and export prism, and the importing prism and export prism have each other
Coplanar surface, and the surface forms the detection surface of detection prism, and the cylindrical surface for reflection face is formed in the importing rib
On mirror.
Preferably, the importing prism and export prism are integrally formed.
Preferably, it is described detection prism can also include be arranged on it is described importing prism and export prism between and perpendicular to
The groove on the detection surface, the groove is formed for preventing light from the light for importing the lateral export prism side propagation of prism one
Door screen.
In the utility model, illumination light is set to assemble or dissipate by the reflecting surface of cylindrical shape so as to incide detection rib
Light on the detection surface of mirror has the different incidence angles for containing the cirtical angle of total reflection, is enable to mitigate or even save
The work of manual adjustment incidence angle.Correspondingly, so that being possible to omit is used to adjust the part of incidence angle, so that
The overall structure of glass surface stress detection device is compacter.
Brief description of the drawings
The detailed description to non-limiting example made by referring to the following drawings, other spies of the present utility model
Levy, objects and advantages will become more apparent upon, identical reference represents identical or corresponding part and feature in accompanying drawing.
Fig. 1 is the schematic diagram of an example of the glass surface stress detection device according to the utility model embodiment one;
Fig. 2 is the schematic diagram of an example of the glass surface stress detection device according to the utility model embodiment two;
Fig. 3 is the schematic diagram of an example of the glass surface stress detection device according to the utility model embodiment three;
Fig. 4 shows for the detection prism suitable for the glass surface stress detection device according to the utility model embodiment three
It is intended to;
Fig. 5 is the schematic diagram of an example of the glass surface stress detection device according to the utility model example IV;
Fig. 6 shows for the detection prism suitable for the glass surface stress detection device according to the utility model example IV
It is intended to.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that, in order to
It is easy to illustrate only the part related to invention in description, accompanying drawing.
Fig. 1 is the schematic diagram of the glass surface stress detection device 100 according to the utility model embodiment one.Such as Fig. 1 institutes
Show, glass surface stress detection device 100 includes:Lighting unit 10, detection prism 20 and imaging unit 30.
Lighting unit 10 provides polarization illumination light.
Detection prism 20 has the detection surface 20a for being used for fitting to be detected with the surface of detected glass, comes from
At least part light in the light of the lighting unit 10 is incident to detection surface 20a with the cirtical angle of total reflection, and along being detected
Glass surface is exported after propagating by the detection surface from the detected glass surface 20a couplings.
Imaging unit 30 is arranged to receive the light of Autonomous test prism 20 and forms detection image.In the example illustrated in figure 1,
Imaging unit 30 includes wedge 32, analyzer 33 and the lens group 34 for example set gradually along light path.Wedge 32 can for example be adopted
Use quartz wedge.
Glass surface stress detection device 100 also includes the cylinder being arranged between lighting unit 10 and detection prism 20
Speculum 16.According to the present embodiment, the cylindrical mirror 16 is concave surface cylindrical mirror.Cylindrical mirror 16 is arranged so that it
Being axially perpendicular to for cylindrical shape detects surface 20a at least part light with detecting surface with cirtical angle of total reflection incidence
Light path plane normal where 20a normal is common.In the arrangement shown, the axle of the cylindrical shape of cylindrical mirror 16
To for perpendicular to the direction of drawing plane.
According to the present embodiment, the light beam from light source will produce the fan beam assembled by cylindrical mirror 16, fan-shaped
Light beam is directed on the detection surface of detection prism 20.Fan beam has different incidences when entering detection prism 20
The cirtical angle of total reflection is included in angle, these incidence angles.Therefore, fan-shaped convergent beam is produced by cylindrical mirror 16 and causes incidence
At least part light in light on to the detection surface 20a of detection prism 20 has the cirtical angle of total reflection, and this part light can be by
For detecting glass surface stress by GASP methods.Compared to glass surface stress detection device of the prior art, according to
The glass surface stress detection device of the utility model embodiment can mitigate or even save light regulating incidence detection surface 20a
When incidence angle work;Correspondingly, also make it that the structure of device is simpler compact.
As shown in figure 1, the incidence surface of detection prism 20 can be structured as and be approximately perpendicular to from cylindrical mirror 16
Light beam, to reduce due to reflecting the light loss caused.
In the example illustrated in figure 1, the light source in lighting unit 10 includes laser 12 and collimator and extender mirror 13.Laser 12
The laser monochromaticjty that sends is good, coherence is good, good directionality, brightness are high.Collimator and extender mirror 13, which is used to expand, comes from laser 12
Light beam diameter so that into cylindrical mirror 16 light beam be collimated light beam.
However, in this regard, the utility model is not limited to this;According to glass surface stress mornitoring of the present utility model
In device, light source can also take other suitable forms.For example, light source can include monochromatic LED, and it is not limited to using standard
Straight beam expanding lens.
, can also be in lighting unit in the glass surface stress detection device 100 according to the utility model embodiment one
The polarizer 15 is set between 10 and detection prism 20, the light for selecting certain polarization direction carrys out the detection of irradiating and detecting prism 20
Surface 20a.In the example illustrated in figure 1, the polarizer 15 is arranged on the light path upstream of cylindrical mirror 16;But the utility model is simultaneously
Not limited to this, the polarizer 15 can also be arranged on the optical path downstream of cylindrical mirror 16, positioned at cylindrical mirror 16 and detection rib
Between mirror 20.For example, although not shown, the polarizer 15 can be arranged on the incidence surface of detection prism 20, so can be with
Simplify the positioning of the polarizer 15.In the case where lighting unit 10 includes laser, it can use or without using the polarizer 15.
Detect prism 20 can be triangular prism, the rectangular prism that the plane of incidence is circular arc etc..Show in Fig. 1 as example
The detection prism 20 gone out is the prism of general square shape.Detection prism 20 has the detection for being used for fitting with the surface of detected glass
Surface 20a.
Detect that prism 20 can include importing prism 21 and export prism 22, this two parts can be separated with diaphragm 23, be used
In barrier the light that the side of prism 22 is propagated laterally is exported in addition to the total reflection by glass surface from importing prism 21 1
Line.
Fan-shaped convergent beam from cylindrical mirror 16 enters detection prism 20, and is irradiated to inspection with different incidence angles
Survey on the 20a of surface, wherein at least part light with the cirtical angle of total reflection, which enters, is detected glass surface, propagated along glass surface
Detected surface 20a couplings export after one segment distance.Due to glass surface stress, light beam produces birefringent phenomenon, because
This, the optical path difference on a direction is contained in light derived from detection surface 20a.
In the example illustrated in figure 1, passing through wedge 32 from light derived from detection prism 20, then launch after analyzer 33 to
Lens group 34.Using wedge 32 light can be made to produce optical path difference on another different directions, it is with causing due to birefringence
Optical path difference superposition, light interference is produced inclined interference fringe.The inclination angle of glass surface stress value and interference fringe is just
Function is cut to be directly proportional.Determine the inclination angle of interference fringe, it is possible to calculate glass surface stress value.
Alternatively, inventor of the present utility model proposes, wedge 32 can not be included in imaging unit 30.In other words
Say, now, imaging unit 30 can include analyzer 33 and lens group 34 and other parts, but not comprising wedge.This
When, the optical path difference caused by birefringence caused by glass surface stress is detected, is not being folded with the optical path difference produced by wedge 32
Plus in the case of, light can be made to produce interference fringe.Unlike, the interference fringe so produced is the interval by striped
To reflect glass surface stress intensity, this by the angle of inclination of interference fringe using in the case of wedge with reflecting glass surface
Stress intensity is different.
As shown in figure 1, glass surface stress detection device 100 can also include being arranged on detection prism 20 and wedge 32 it
Between outgoing speculum 31.Imaging unit 30 may further include position for adjusting the outgoing speculum 31 and posture
Adjusting means (not shown).In the example illustrated in figure 1, outgoing speculum 31 is placed between detection prism 20 and wedge 32,
For wedge 32 will to be reflected into from the light of the detection outgoing of prism 20.The position of outgoing speculum 31 can be by user via tune
Regulating device is adjusted, so as to adjust the angle into the light of lens group 34.Adjusting means can include screw element, to improve easily
With property and the precision of regulation.
Image detecting element 35 can also be included according to the glass surface stress detection device 100 of the present embodiment, it is detected
The image formed by imaging unit 30.Image detecting element 35 can be charge coupling device imaging sensor (Charge
Coupled Device, CCD) camera, it is imaged onto CCD after lens group 34 from the light of the incident critical angle of detection prism 20
On camera 35.CCD camera is used as a kind of novel photoelectric-detection device, the ability with storage and transinformation electric charge, Neng Gouzhi
Connect the collection for completing spatial information, conversion, storage and export.
In addition, glass surface stress detection device 100 can also include outer cover 40.The outer cover is preferably shading outer cover.Hide
Light outer cover 40 accommodates above-mentioned lighting unit 10, detection prism 20, imaging unit 30, cylindrical mirror 16, outgoing speculum, image
Detection unit 35 etc., for covering from outside veiling glare.
Fig. 2 is the schematic diagram of the glass surface stress detection device 200 according to the utility model embodiment two.The present embodiment
In structure and previous embodiment 1 structure it is essentially identical, difference is, in glass surface stress detection device 200, use
The cylindrical mirror 16 ' on convex surface instead of the cylindrical mirror 16 of the concave surface in glass surface stress detection device 100.
The cylindrical mirror 16 ' on convex surface is arranged so that being axially perpendicular to for its cylindrical shape is incident with the cirtical angle of total reflection
Detect the light path plane normal at surface 20a at least part light and the detection surface 20a common place of normal.In Fig. 2 institutes
In the arrangement shown, the axial direction of the cylindrical shape of cylindrical mirror 16 ' is perpendicular to the direction of drawing plane.
According to the present embodiment, the light beam from light source will produce the fan beam of diverging by cylindrical mirror 16 ', fan-shaped
Light beam is directed on the detection surface of detection prism 20.Fan beam has different incidences when entering detection prism 20
The cirtical angle of total reflection is included in angle, these incidence angles.Therefore, by cylindrical mirror 16 ' produce fan-shaped divergent beams cause into
At least part light in the light being mapped on the detection surface 20a of detection prism 20 has the cirtical angle of total reflection, and this part light can be with
It is used by GASP methods detection glass surface stress.Compared to glass surface stress detection device of the prior art, root
It can mitigate or even save light regulating incidence detection surface according to the glass surface stress detection device of the utility model embodiment
The work of incidence angle during 20a;Correspondingly, also make it that the structure of device is simpler compact.
As shown in Fig. 2 the incidence surface of detection prism 20 can be structured as and be approximately perpendicular to from cylindrical mirror 16 '
Light beam, to reduce due to reflecting the light loss caused.
Fig. 3 is the schematic diagram of the glass surface stress detection device 300 according to the utility model embodiment three.Glass surface
The structure of stress detection device 300 and the glass surface stress detection device 100 according to previous embodiment one is essentially identical, different
Part is, in glass surface stress detection device 300, cylindrical mirror by detection prism 20 ' a reflecting surface 20b ' structure
Into.
Specifically, detection prism 20 ' has the detection surface 20a for being used for fitting with the surface of detected glass and is used for
The light for entering detection prism 20 ' is reflected and is guided the light to detection surface 20a reflecting surface 20b '.The reflecting surface
20b ' constitutes concave surface cylindrical mirror, so that replacement root is according to discrete in the glass surface stress detection device 100 of embodiment one
Cylindrical mirror 16.Being axially perpendicular to for the concave surface cylindrical mirror that reflecting surface 20b ' is constituted is examined with cirtical angle of total reflection incidence
Survey the light path plane normal at surface 20a light and the detection surface 20a common place of normal.In the arrangement shown in Fig. 3, the axle
To for perpendicular to the direction of drawing plane.
According to the present embodiment, the light beam from light source will produce the fan beam assembled, sectored light by reflecting surface 20b '
Beam is directed on the detection surface of detection prism 20 '.Fan beam has different incidences when entering detection prism 20 '
The cirtical angle of total reflection is included in angle, these incidence angles.Therefore, fan-shaped convergent beam is produced by reflecting surface 20b ' to incide
Detect prism 20 detection surface 20a on light at least part light there is the cirtical angle of total reflection, this part light can by with
In pass through GASP methods detect glass surface stress.Compared to glass surface stress detection device of the prior art, according to this
When the glass surface stress detection device of utility model embodiment can mitigate or even save light regulating incidence detection surface 20a
Incidence angle work;Correspondingly, also make it that the structure of device is simpler compact.
In the present embodiment, due to cylindrical mirror to be integrated into a part for detection prism 20 ', therefore, glass surface should
The number of parts of force checking device 300 is reduced, and assembling simplifies, and the positioning of cylindrical mirror is simpler, accurate.
, can also be in lighting unit in the glass surface stress detection device 300 according to the utility model embodiment three
The polarizer 15 is set between 10 and detection prism 20 ', the light irradiation for selecting certain polarization direction detects the detection of prism 20 '
Surface 20a.In preferred exemplary, the polarizer 15 may be provided on the incidence surface of detection prism 20 ', can so simplify the polarizer
15 positioning.In the case where lighting unit 10 includes laser, it can use or without using the polarizer 15.
Fig. 4 is one of the detection prism suitable for the glass surface stress detection device according to the utility model embodiment three
The schematic diagram of individual example.
Detection prism 20 ' shown in Fig. 4 includes integrally formed importing prism 21 and export prism 22, their bottom surface
It is coplanar with each other and collectively form detection surface 20a.Reflecting surface 20b ' is arranged on importing prism 21.So, it is formed with reflecting surface
20b ' part is integral with the other parts for detecting prism 20 '.It should be understood that according to the utility model, the part
It can also combine after independent shaping for example, by glued mode with other parts;The utility model is in this regard
It is unrestricted.
According to the present embodiment, in order that reflecting surface 20b ' cylindrical shape is axially perpendicular to light path plane normal, institute
It is parallel to detection surface 20a to state axial arranged.
Described in when Fig. 1 descriptions are according to the glass surface detection means 100 of embodiment one as described previously with reference to, import prism 21 and lead
Go out between prism 22 and be provided with diaphragm 23, for obstruct in addition to the total reflection by glass surface from importing prism 21 1
The light that lateral export prism 22 side is propagated.In the detection prism 20 ' shown in Fig. 4, diaphragm 23 is by being arranged on importing prism
Groove between 21 and export prism 22, perpendicular to detection surface 20a is constituted, and can for example pass through frosted, painting in groove
It is black, at least one of light screening material mode is inserted to obstruct light.Or, it can also in a groove insert and be bonded anti-dazzling screen
Material such as sheet metal obstructs light.In order to preferably shut out the light, it is preferable that groove and groove are perpendicular to detection surface 20a
Direction on mutually overlap.
In Fig. 4 example showns, it is integral to import prism 21 and export prism 22, but simultaneously the utility model is not limited to
This.For example, it can be separated shaping to import prism 21 and export prism 22, then combined for example, by glued mode
, and may be inserted into such as sheet metal therebetween to form diaphragm.
Fig. 5 is the schematic diagram of the glass surface stress detection device 400 according to the utility model example IV.Glass surface
It is convex curved reflecting surfaces by a reflecting surface 20b " of detection prism 20 " in stress detection device 400, constitutes convex surface cylindrical surface for reflection
Mirror.Fig. 6 schematically shows an example of the detection prism 20 " of glass surface stress detection device 400.
The other structures of glass surface stress detection device 400 and the glass surface stress mornitoring according to previous embodiment three
The structure of device 300 is essentially identical, therefore will not be repeated here.
Concave surface cylindrical surface for reflection is employed according to the glass surface stress detection device of the utility model embodiment one and three
Mirror, compared with the glass surface stress detection device according to the use convex surface cylindrical mirror of embodiment two and four, the former due to
By the convergence of rays with different incidence angles, small and fixed light beam incidence point is obtained, so can more efficiently detect
The stress for the part that glass surface is contacted with export prism, and detection means is simpler in structure design.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical schemes formed by any combination.Such as features described above has similar with (but not limited to) disclosed herein
The technical characteristic of function carries out technical scheme formed by replacement mutually.
Claims (15)
1. a kind of glass surface stress detection device, including:
Lighting unit, for providing polarization illumination light;
Prism is detected, it has the detection surface for being used for fitting to be detected with the surface of detected glass, shone from described
At least part light in the light of bright unit is incident to the detection surface of the detection prism with the cirtical angle of total reflection, and along tested
Survey to be coupled from the detected glass surface by the detection surface after glass surface is propagated and export;With
Imaging unit, the imaging unit is arranged to receive the light from the detection prism and forms detection image,
Characterized in that, the glass surface stress detection device also includes being arranged in the lighting unit and the detection prism
Detection surface between light path on cylindrical mirror, the cylindrical shape of the cylindrical mirror be axially perpendicular to it is described at least
Light path plane normal of the part light with the detection normal to a surface where common.
2. glass surface stress detection device as claimed in claim 1, it is characterised in that the cylindrical mirror is convex surface post
Face speculum.
3. glass surface stress detection device as claimed in claim 1, it is characterised in that the cylindrical mirror is concave surface post
Face speculum.
4. glass surface stress detection device as claimed in claim 1, it is characterised in that the cylindrical mirror is to be arranged in
Speculum between the lighting unit and detection prism.
5. glass surface stress detection device as claimed in claim 4, it is characterised in that the detection prismatic construction is to cause
Shone directly into after light incidence detection prism from the cylindrical mirror on the detection surface.
6. glass surface stress detection device as claimed in claim 5, it is characterised in that the detection prism includes importing rib
Mirror, export prism and be arranged on import prism and export prism between diaphragm, the detection surface by it is described importing prism and
The respective surface coplanar with each other of export prism is formed.
7. glass surface stress detection device as claimed in claim 1, it is characterised in that the cylindrical mirror is by the inspection
Reflecting surface surveying prism, being reflected for the light to entrance detection prism and be channeled to the detection surface is constituted.
8. glass surface stress detection device as described in any of claims 7, it is characterised in that the detection prism bag
Include and import prism, export prism and be arranged on the diaphragm imported between prism and export prism, the detection surface is led by described
Enter prism and the respective surface coplanar with each other of export prism is formed, the reflecting surface formation is on the importing prism.
9. the glass surface stress detection device as described in claim 6 or 8, it is characterised in that the importing prism and export
Prism is integrally formed, and the diaphragm of the detection prism is by being arranged on the importing prism and exporting the groove type on prism
Into.
10. the glass surface stress detection device as any one of claim 7 or 8, it is characterised in that also including setting
The polarizer on the incidence surface of the detection prism.
11. a kind of detection prism for glass surface stress detection device, with being fitted for the surface with detected glass
With the detection surface detected, it is characterised in that also there is the detection prism light for being used to detect prism to entering to carry out
Reflect and light be directed to the cylindrical surface for reflection face on the detection surface, the cylindrical shape in the cylindrical surface for reflection face is axially parallel to institute
State detection surface.
12. prism is detected as claimed in claim 11, it is characterised in that the cylindrical surface for reflection mask cylinder shape with concave surfaces
Shape.
13. the detection prism as described in claim 11 or 12, it is characterised in that the detection prism includes importing prism and led
Go out prism, the importing prism and export prism have surface coplanar with each other, and the surface forms the inspection of detection prism
Surface is surveyed, the cylindrical surface for reflection face is formed on the importing prism.
14. prism is detected as claimed in claim 13, it is characterised in that the importing prism is to be integrally formed with export prism
's.
15. prism is detected as claimed in claim 14, it is characterised in that also including being arranged on the importing prism and export rib
Between mirror and perpendicular to the groove on the detection surface, the groove is formed for preventing light from the lateral export rib of importing prism one
The diaphragm that mirror side is propagated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621292147.3U CN206399566U (en) | 2016-11-29 | 2016-11-29 | Glass surface stress detection device and the detection prism for it |
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Application Number | Priority Date | Filing Date | Title |
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CN201621292147.3U CN206399566U (en) | 2016-11-29 | 2016-11-29 | Glass surface stress detection device and the detection prism for it |
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CN201621292147.3U Withdrawn - After Issue CN206399566U (en) | 2016-11-29 | 2016-11-29 | Glass surface stress detection device and the detection prism for it |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106500891A (en) * | 2016-11-29 | 2017-03-15 | 北京杰福科技有限公司 | Glass surface stress detection device and the detection prism for which |
WO2018050113A1 (en) * | 2016-09-18 | 2018-03-22 | 北京杰福科技有限公司 | Prism and glass surface stress detection device |
CN117782383A (en) * | 2023-12-25 | 2024-03-29 | 苏州天准科技股份有限公司 | Stress detection machine and stress detection method for electronic product glass piece |
-
2016
- 2016-11-29 CN CN201621292147.3U patent/CN206399566U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018050113A1 (en) * | 2016-09-18 | 2018-03-22 | 北京杰福科技有限公司 | Prism and glass surface stress detection device |
CN106500891A (en) * | 2016-11-29 | 2017-03-15 | 北京杰福科技有限公司 | Glass surface stress detection device and the detection prism for which |
CN117782383A (en) * | 2023-12-25 | 2024-03-29 | 苏州天准科技股份有限公司 | Stress detection machine and stress detection method for electronic product glass piece |
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