CN106644204A - Intensive tempered glass surface stress gauge - Google Patents
Intensive tempered glass surface stress gauge Download PDFInfo
- Publication number
- CN106644204A CN106644204A CN201710127500.5A CN201710127500A CN106644204A CN 106644204 A CN106644204 A CN 106644204A CN 201710127500 A CN201710127500 A CN 201710127500A CN 106644204 A CN106644204 A CN 106644204A
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- prism
- light source
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- glass surface
- image
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- 239000005341 toughened glass Substances 0.000 title abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000003384 imaging method Methods 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 40
- 239000005336 safety glass Substances 0.000 claims description 23
- 230000001276 controlling effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000003287 optical effect Effects 0.000 abstract description 8
- 238000005286 illumination Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
Abstract
The invention belongs to the field of optical detection, and particularly relates to an intensive tempered glass surface stress gauge which comprises a worktable, an illumination unit, a light refraction unit, an imaging unit and an image processing unit. The illumination unit comprises a light source and a light source adjusting mechanism, the light source adjusting mechanism is provided with a fixing seat and an adjusting block which are arranged below the worktable, the fixing seat is arranged on the lower side of the worktable, the adjusting block is hinged to the fixing seat by a hinge pin, an adjusting threaded hole which is perforated in the up-down direction is formed in the adjusting block, an adjusting screw is arranged in the adjusting threaded hole, one end of the adjusting screw is butted onto a support block, a knob is arranged at the other end of the adjusting screw, a return spring is arranged between the fixing seat and the adjusting block, and the light source is arranged on the adjusting block. The intensive tempered glass surface stress gauge has the advantages that the light source adjusting mechanism is small in structure, accordingly, the integral structure of the stress gauge can be simplified, the integration level can be upgraded, the volume of the stress gauge can be reduced, the intensive tempered glass surface stress gauge can be further miniaturized, requirements on flexible application in the field of automatic production can be met, and the intensive tempered glass surface gauge has a broad market prospect.
Description
Technical field
The invention belongs to field of optical detection, more particularly to a kind of intensive safety glass surface stress instrument.
Background technology
Also known as strengthens glass, it is a kind of prestressed glass to safety glass, method chemically or physically is usually used, in glass
Glass surface forms compression, offsets surface layer pressure when glass bears external force first, so as to improve bearing capacity, thus tempering glass
Glass is widely used in the fields such as building doors and windows, glass curtain wall, electronic instrument.But safety glass cutting back edge can be present in a large number
Micro-crack, causes strength of glass to reduce.Flourishing especially with touch-control industry, the touch-control product specification requirement of itself
It is day by day strict, because contact panel is to go to carry out the function mode of inductive component so as to reach using effect by the outside pressure that applies
Really, thus product mechanical compressive resistance be all big enterprises important specification and index.For optical glass, the presence of larger stress
Also optical clarity and image quality have been had a strong impact on.Thus, it is the performance for ensureing tempered glass article, safety glass
Stress will be controlled in prescribed limit, and this requires to detect the surface stress of safety glass.
Safety glass surface stress instrument common in the market mainly detects safety glass table using fiber waveguide principle
Face stress, such as Chinese utility model patent 201420643584.X disclose a kind of New automatic glass surface stress gauge, bag
Instrument body, eyepiece, eyepiece angle demodulator, light source and birefringent prism are included, the eyepiece is located in eyepiece angle demodulator,
The eyepiece angle demodulator is fixed on instrument body, and the birefringent prism protrudes from instrument body upper surface, the light
In instrument body, the front end of the eyepiece is located on the light refractive direction of birefringent prism, the birefringent prism in source
Project on direction positioned at the light of light source, an industrial camera is installed in the rear bottom of the eyepiece, the birefringent prism is just gone up
Side is provided with a liquid-drop machine and a laser thickness measuring instrument, and the industrial camera, liquid-drop machine and laser thickness measuring instrument are led to
Cross data wire connection computer processor.During using the stress ga(u)ge detection safety glass surface stress, glass to be measured is placed on
Birefringent prism surface makes birefringent prism fit with it, and the light that light source sends needs to incide on birefringent prism, double
Refracting prisms are totally reflected with the contact surface of glass to be measured.In order to improve certainty of measurement, need to enter the incident angle of light source
Row adjustment in good time, incides on birefringent prism to form optimal light.In that patent, a set of regulation light source is also disclosed
The elevating mechanism of incident angle, the elevating mechanism is that light source crane is provided with the instrument body, the light source lifting
Frame is connected with the light source lift adjustment handwheel of part protrusion instrument body, and the light source is fixed in light source crane.Though
So the elevating mechanism can be adjusted to light source incidence angle, but because the elevating mechanism size is than larger, thus result in
Stress ga(u)ge overall structure is huge, is unfavorable for that stress ga(u)ge is minimized, and limits stress ga(u)ge flexibly should in automated production field
With.In addition, existing stress ga(u)ge light source needs to be cooperated by LED lamp bead, convergent bowl, diffusion sheet, lens, to reach light is made
Homogeneous purpose, this mode complex structure, while and the technique that is limited to LED lamp bead and convergent bowl, it is difficult to guarantee all setting
Standby projection hot spot is consistent, so as to have impact on the precision and stability of stress ga(u)ge detection.
The content of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, there is provided a kind of high intensive tempering of degree of miniaturization
Glass surface stress ga(u)ge, the stress ga(u)ge integrated level is high, high precision and testing result are stablized.
The present invention solves the technical scheme that above-mentioned the deficiencies in the prior art are adopted：
A kind of intensive safety glass surface stress instrument, including working plate, lighting unit, anaclasis unit, image-generating unit, figure
As processing unit, the lighting unit is located at working plate lower section with the image-generating unit, and the anaclasis unit is located at
On the working plate, for placing measuring samples, the lighting unit, the anaclasis unit constitute one with the image-generating unit
Bar light path, the anaclasis unit is located at the light direction of the launch of the lighting unit, and the image-generating unit is located at after the light path
End, the light that the lighting unit is launched is incided in the measuring samples on anaclasis unit, enters described after Jing total reflections
Image-generating unit is imaged, and the image-generating unit connects described image processing unit, and described image processing unit is to the image-generating unit
The image of acquisition carries out calculating process, it is characterised in that the lighting unit includes light source and light source controlling mechanism, the light source
Governor motion is that the working plate lower section is provided with fixed seat and regulating block, and the fixed seat is arranged on the working plate
On downside, the regulating block is sold axle and is hinged with the fixed seat, and the regulating block is provided with the regulation screwed hole of up/down perforation,
Adjusting screw rod is provided with the regulation screwed hole, one end of the adjusting screw rod is acted against in support block, and the support block is institute
Regulating block is stated with bearing pin as the axle center powered rotation strong point, the other end of the adjusting screw rod is provided with knob, the fixation
Back-moving spring is provided between seat and the regulating block, the light source is arranged on the regulating block.The setting of light source controlling mechanism,
Make stress ga(u)ge of the present invention only be capable of achieving the fine adjustments to light source incidence angle by turn knob when in use, not only simplify
Overall structure, improves the integrated level of the whole machine of stress ga(u)ge of the present invention, and allow that light source incidence angle adjusts it is cleverer
It is living, improve the accuracy of detection and detection efficiency of the present invention.
Support block of the present invention is arranged on the fixed seat side, and the regulation screwed hole is distinguished with the light source
Positioned at the both sides of the bearing pin.
Support block of the present invention is arranged on the working plate downside, and axle and institute are sold in one end of the regulating block
State fixed seat to be hinged, the regulating block other end is provided with light source, the regulation screwed hole is arranged on the regulating block middle part.
The regulating block of light source one end of the present invention is provided with linear bearing, and being provided with the linear bearing can be along it certainly
By the sliding axle for sliding, the sliding axle is provided with light source fixed seat, and the light source fixed seat is provided with least one light source.It is logical
Cross and at least one light source is set in light source fixed seat, allow stress ga(u)ge of the present invention according to the actual conditions of stress mornitoring, choosing
Suitable light source is selected, the scope of application of stress ga(u)ge of the present invention is expanded, the flexibility of present invention detection is improve.
Light source of the present invention is LED array light source.Light source optimizes this by adopting LED array light source, not only
The optical system of bright stress ga(u)ge, simplifies overall structure, and the light luminance that light source sends is high, homogeneous effect is good, improves
The accuracy of detection of stress ga(u)ge of the present invention, while and reducing manufacturing cost.
Anaclasis unit of the present invention is that prism platform is provided with the working plate, and the prism platform middle part is provided with
The prism groove of up/down perforation, is provided with prism in the prism groove, the measuring samples are placed on the prism, and the light source is sent out
The light of injection described in prism incidence to the measuring samples, after propagating in the measuring samples, prism described in Jing enters into institute
State image-generating unit imaging.
Prism of the present invention is isosceles prism, and the bottom surface of the isosceles prism slightly protrudes from the prism groove upper table
Face, the measuring samples are placed on the bottom surface of the isosceles prism.The light that light source is launched by isosceles prism its
In a central plane incide on the bottom surface of isosceles prism, be all-trans with the contact surface of measuring samples in isosceles prism bottom surface
Penetrate, the light after total reflection by prism another central plane outgoing.
Shape, the size of prism groove shape of cross section of the present invention, size and the isosceles prism bottom surface
Size matches, the prism groove and the isosceles prism close proximity, forms closed prism platform, effectively prevent detection
During to prism bottom surface be added dropwise REFRACTIVE LIQUID stream to prism central plane, the bad phenomenon so as to affect accuracy of detection.
Prism platform of the present invention is provided with suction hole, and the suction hole is distributed on the neighboring of the prism groove, with
The prism platform lower surface that the suction hole is engaged is provided with aspirating hole, air-breathing is provided between prism platform upper and lower surface and is led to
Road, the suction hole is connected with the aspirating hole by the air intake passage, and the aspirating hole connects air extractor.Air extractor
The air between measuring samples and suction hole is evacuated by aspirating hole, air intake passage, suction hole, because prism is located at
Within the space that suction hole is surrounded, thus measuring samples can preferably fit with prism, even if measuring samples surface is present
Certain warpage, it is also possible to it is fitted with prism by suction hole of the present invention, improves the detection essence of stress ga(u)ge of the present invention
Degree and efficiency.
Working plate of the present invention is provided with position-limiting fixture, and the position-limiting fixture is arranged on the prism platform adjacent two
On the bearing of trend of side, the position-limiting fixture body is provided with multiple limited posts, and multiple limited posts treat sample around forming receiving
The space of product.The setting of position-limiting fixture can be defined to the position of measuring samples, make between measuring samples and suction hole more
Good cooperation, improves the accuracy of detection of the present invention.
Limited post of the present invention is caging bolt, and the position-limiting fixture body upper surface is provided with and matches with caging bolt
The spacing screwed hole for closing.Limited post is not limited the particular location of limited post by the way of bolt and screwed hole cooperate
It is fixed, can be adjusted accordingly according to the actual conditions of measuring samples size, expand the scope of application of stress ga(u)ge of the present invention.
Image-generating unit of the present invention is to be disposed with lens group, polarizer and image sensing along the optical path direction
Device, the front end of the lens group is located at the light injection direction of the prism, and the light that the prism is projected is converged, described
The rear end of microscope group is provided with polarizer, and the polarizer is separated into the light after lens group convergence relative to the prism and institute
The boundary face parallel vibrating of measuring samples and two kinds of light compositions of vertical vibration are stated, the rear end of the polarizer is provided with image sensing
The light for receiving is carried out opto-electronic conversion by device, described image sensor, and the brightness value one by one of multiple pixels of pie graph picture is made
It is that image processing apparatus are arrived in DID output.
The invention has the beneficial effects as follows, because the lighting unit of stress ga(u)ge of the present invention includes light source and light source controlling mechanism,
The light source controlling mechanism is that the working plate lower section is provided with fixed seat and regulating block, and the fixed seat is arranged on described
On working plate downside, the regulating block is sold axle and is hinged with the fixed seat, and the regulating block is provided with the tune of up/down perforation
Section screwed hole, is provided with adjusting screw rod in the regulation screwed hole, one end of the adjusting screw rod is acted against in support block, described
Bracer is the regulating block with bearing pin as the axle center powered rotation strong point, and the other end of the adjusting screw rod is provided with knob,
Back-moving spring is provided between the fixed seat and the regulating block, the light source is arranged on the regulating block, thus uses this
During invention stress ga(u)ge detection safety glass surface stress, it is only necessary to can easily be realized to light source incidence angle by adjusting knob
Trickle adjustment, improve the ease for operation of the present invention, and whole light source controlling mechanism compact structure, simplifying the present invention should
Power instrument overall structure, improves integrated level, so as to reduce stress ga(u)ge machine volume, enables stress ga(u)ge of the present invention further little
Type, meets the demand in automated production field flexible Application.Due to light source fixed seat can along regulating block slidably, and
The light source fixed seat is provided with least one light source, thus when using stress ga(u)ge of the present invention, user can be according to stress
The actual conditions of detection, select suitable light source, expand the scope of application of stress ga(u)ge of the present invention, improve present invention detection
Flexibility.Light source selects LED array light source, not only optimizes the optical system of stress ga(u)ge of the present invention, simplifies overall structure, and
And light luminance that light source sends is high, homogeneous effect is good, improves the accuracy of detection of stress ga(u)ge of the present invention, while and reducing system
Cause this.Because the shape of prism groove shape of cross section of the present invention, size and prism bottom surface, size match,
Thus prism groove is able to close proximity with prism, closed prism platform is formed, be effectively prevent in detection process to prism
The REFRACTIVE LIQUID stream that bottom surface is added dropwise is to prism central plane, the bad phenomenon so as to affect accuracy of detection.Prism platform is provided with suction hole,
The suction hole is distributed on the neighboring of the prism groove, can be by the air between measuring samples and suction hole by suction hole
Be evacuated, even if thus there is certain warpage in measuring samples surface, it is also possible to by suction hole of the present invention by itself and Rhizoma Sparganii
Mirror is fitted, and improves the precision and efficiency of detecting of stress ga(u)ge of the present invention.
Description of the drawings
Fig. 1 is a kind of example structure schematic diagram of stress ga(u)ge of the present invention, is also a kind of preferred embodiment schematic diagram.
Fig. 2 is the structural representation of prism platform of the present invention.
Fig. 3 is the structural representation of prism platform of the present invention and position-limiting fixture.
Fig. 4 is stress ga(u)ge of the present invention another kind example structure schematic diagram.
Fig. 5, Fig. 6 are the structural representation of light source controlling mechanism in second embodiment of the invention.
Specific embodiment
Hereinafter describe for disclosing the present invention so that those skilled in the art can realize the present invention.It is excellent in below describing
Embodiment is selected to be only used as citing, it may occur to persons skilled in the art that other obvious modifications.Define in the following description
General principle of the invention can apply to other embodiments, deformation program, improvement project, equivalent and without the back of the body
From the other technologies scheme of the spirit and scope of the present invention.
Embodiment one
Fig. 1 shows a kind of example structure schematic diagram of intensive style safety glass surface stress instrument of the invention, is also a kind of excellent
Select embodiment schematic diagram.As shown in figure 1, the stress ga(u)ge described in the present embodiment includes working plate 10, lighting unit 20, anaclasis
Unit 30, image-generating unit 40, graphics processing unit（Not shown in figure）, the lighting unit 20 is located at the image-generating unit 40
The lower section of the working plate 10, the anaclasis unit 30 is located on the working plate, for placing measuring samples, the illumination
Unit, the anaclasis unit constitute a light path with the image-generating unit, and the anaclasis unit is located at the lighting unit
The light direction of the launch, the image-generating unit is located at the light path rear end, and the light that the lighting unit is launched incides anaclasis
In measuring samples on unit, into image-generating unit imaging after Jing total reflections, the image-generating unit connects described image
Processing unit, described image processing unit carries out calculating process, the lighting unit bag to the image that the image-generating unit is obtained
Include light source 21 and light source controlling mechanism, angular of the light source controlling mechanism to the light source incidence to the anaclasis unit
Be adjusted, enable the light that light source is launched and incided in anaclasis unit with critical angle, anaclasis unit with it is to be checked
The contact surface of sample is totally reflected, and improves the certainty of measurement of stress ga(u)ge of the present invention.
As seen from Figure 1, the light source controlling mechanism is that the lower section of the working plate 10 is provided with fixed seat 22 and adjusts
Locking nub 23, the fixed seat 22 is arranged on the downside of the working plate 10, and the regulating block 23 sells axle 24 with the fixation
Seat 22 is hinged, and the regulating block 23 is provided with the regulation screwed hole of up/down perforation, and in the regulation screwed hole adjusting screw rod is provided with
25, one end of the adjusting screw rod is acted against in support block 26, in the present embodiment, for ease of production and processing, the support block
26 are arranged on the side of the fixed seat 22, and the support block 26 is provided when being rotated as axle center with bearing pin 24 for the regulating block 23
Motive power point, as shown in figure 1, the support block is preferably circular, the regulating block 23 with bearing pin as axle center rotate when, it is described
One end of adjusting screw rod 25 can be acted against always in the support block 26.The other end of the adjusting screw rod 25 is provided with knob
27, during turn knob 27, adjusting screw rod 25 cooperates with screwed hole is adjusted, and adjusting screw rod is moved upwards, because support block is consolidated
Fixed motionless, now support block will apply a power contrary with the adjusting screw rod direction of motion to regulating block, enable regulating block
Rotate by axle center of bearing pin 24.Back-moving spring 28, the back-moving spring are provided between the fixed seat 22 and the regulating block 23
28 can provide the power abutted to the support block 26 for the adjusting screw rod 25, enable one end of the adjusting screw rod 25 always
Act against in the support block, the stability and certainty of measurement of stress ga(u)ge of the present invention is improve, as shown in figure 1, in the present embodiment
The back-moving spring is located at the both sides of the bearing pin with the adjusting screw rod, and the back-moving spring is preferably stage clip.Light source 21 sets
Put on the regulating block 23, the light source is located at the both sides of the bearing pin with the regulation screwed hole, what light source 21 was launched
Light is incided in the anaclasis unit 30.
The setting of light source controlling mechanism, makes stress ga(u)ge of the present invention only be capable of achieving to light source by turn knob when in use
The regulation of incident angle, not only simplifies overall structure, improves the integrated level of the whole machine of stress ga(u)ge of the present invention, and enters light source
It is more flexible that firing angle degree can be adjusted, and improves the accuracy of detection and detection efficiency of the present invention.Preferably, originally
Light source described in embodiment is LED array light source.Light source optimizes stress ga(u)ge of the present invention by adopting LED array light source, not only
Optical system, simplify overall structure, and the light luminance that light source sends is high, homogeneous effect is good, improve the present invention should
The accuracy of detection of power instrument, while and reducing manufacturing cost.Certainly, it is to improve accuracy of detection, needs in detection process to treating
Inspection sample surfaces are added dropwise a small amount of REFRACTIVE LIQUID, to prevent the REFRACTIVE LIQUID stream being added dropwise on light source, so as to cause to damage to light source, and can be with
In light source front end, transparent baffle is set.
Anaclasis unit 30 described in the present embodiment is that prism platform 31 is provided with the working plate 10, the prism
The middle part of platform 31 is provided with the prism groove 32 of up/down perforation, and prism 33 is provided with the prism groove, and the measuring samples are placed on described
On prism 33, prism 33 described in the light Jing that the light source 21 is launched incides the measuring samples, in the measuring samples
Prism described in Jing enters into the image-generating unit imaging after propagation.As shown in Fig. 2 prism 33 described in the present embodiment is isosceles Rhizoma Sparganii
Mirror, the bottom surface of the isosceles prism slightly protrudes from the upper surface of prism groove 32, and the measuring samples are placed on the isosceles
On the bottom surface of prism.The light that light source 21 is launched incides isosceles prism by one of central plane of isosceles prism
On bottom surface, it is totally reflected with the contact surface of measuring samples in isosceles prism bottom surface, the light after total reflection is by prism
Another central plane outgoing.Preferably, described in the present embodiment the shape of cross section of prism groove 32, size with
The shape of the isosceles prism bottom surface, size match, the prism groove and the isosceles prism close proximity, shape
Into closed prism platform, effectively prevent the REFRACTIVE LIQUID stream that is added dropwise to prism bottom surface in detection process to prism central plane, from
And affect the bad phenomenon of accuracy of detection.Prism platform 31 by described in Fig. 1, Fig. 2 can be seen that the present embodiment is provided with suction hole
34, the suction hole is distributed on the neighboring of the prism groove 32, and the prism platform lower surface being engaged with the suction hole 34 sets
There is aspirating hole 35, air intake passage is provided between prism platform upper and lower surface, the suction hole passes through institute with the aspirating hole
State air intake passage to be connected, the aspirating hole 35 connects air extractor by exhaust pipe 36.Air extractor passes through aspirating hole, air-breathing
Passage, suction hole are evacuated the air between measuring samples and suction hole 34, are surrounded positioned at suction hole due to prism
Within vacuum, thus measuring samples can preferably fit with prism, even if there is certain warpage in measuring samples surface,
It can be fitted with prism by suction hole of the present invention 34, improve the precision and efficiency of detecting of stress ga(u)ge of the present invention.This
Embodiment, without the need for being respectively provided with prism platform and air-breathing platform, not only simplifies stress ga(u)ge by the way that suction hole is arranged in prism platform
Overall structure, is reduced in size, and reduces manufacturing cost, and improves the stability of stress ga(u)ge of the present invention.
Preferably, as shown in figure 3, being additionally provided with position-limiting fixture on the working plate 10 described in the present embodiment
11, the position-limiting fixture 11 is arranged on the bearing of trend of the adjacent both sides of the prism platform 31, on the body of the position-limiting fixture 11
Multiple limited posts 12 are provided with, multiple limited posts accommodate the space of measuring samples around being formed.The setting of position-limiting fixture can be treated
The position of sample product is defined, and makes preferably to coordinate between measuring samples and suction hole, improves the accuracy of detection of the present invention.
Limited post 12 described in the present embodiment is caging bolt, and the body upper surface of the position-limiting fixture 11 is provided with and is engaged with caging bolt
Spacing screwed hole.Limited post is not limited the particular location of limited post by the way of bolt and screwed hole cooperate,
Can be adjusted accordingly according to the actual conditions of measuring samples size, expand the scope of application of stress ga(u)ge of the present invention.To carry
High operation ease, on the body of position-limiting fixture 11 described in the present embodiment the handle hole 13 for being easy to pick and place measuring samples is additionally provided with.
User moves measuring samples to correct position by handle hole 13, after stress mornitoring is complete, then is taken in glass by handle hole 9
Go out.As seen from Figure 3, fastening thread hole 14 is additionally provided with the position-limiting fixture 11 and prism platform 31 described in the present embodiment, is fastened
Screwed hole is fixed to position-limiting fixture and prism platform on working plate by cooperating with fastening bolt, improves the present invention
The steadiness of stress ga(u)ge.
Image-generating unit 40 described in the present embodiment is to be disposed with lens group, polarizer and image along the optical path direction
Sensor, the front end of the lens group is located at the light injection direction of the prism, the light that the prism is projected is converged, institute
The rear end for stating lens group is provided with polarizer, and the polarizer is separated into the light after lens group convergence relative to the prism
With the boundary face parallel vibrating and two kinds of light compositions of vertical vibration of the measuring samples, the rear end of the polarizer is provided with image
The light for receiving is carried out opto-electronic conversion by sensor, described image sensor, by the brightness one by one of multiple pixels of pie graph picture
Value is as DID output to image processing apparatus.Certainly, image-generating unit can select dual-polarization of the prior art
Industrial camera, because this is existing mature technology, thus no longer describes in detail at this to it.It is noted that can be seen by Fig. 1
Go out, in the present embodiment, the image-generating unit 40 in the fixed seat, is easy to the angle to image-generating unit by hinge
It is adjusted, to adjust suitable angle, the light after total reflection is imaged into image-generating unit.Image-generating unit 40 connects
Graphics processing unit（Not shown in figure）, described image processing unit carried out at calculating to the image that the image-generating unit is obtained
Reason, graphics processing unit can be the all-purpose computer with data processing software, or dedicated data processor, and here is same
Sample is no longer described in detail.
Embodiment two
Fig. 2 shows another kind of structure of stress ga(u)ge of the present invention, as shown in Fig. 2 a kind of intensive safety glass surface stress instrument,
Including working plate 10, lighting unit 20, anaclasis unit 30, image-generating unit 40, graphics processing unit（Not shown in figure）, institute
State lighting unit and be located at working plate lower section with the image-generating unit, the anaclasis unit is located at the working plate
On, for placing measuring samples, the lighting unit, the anaclasis unit constitute a light path with the image-generating unit, described
Anaclasis unit is located at the light direction of the launch of the lighting unit, and the image-generating unit is located at the light path rear end, the illumination
The light that unit is launched is incided in the measuring samples on anaclasis unit, Jing total reflection after enter the image-generating unit into
Picture, the image-generating unit connects described image processing unit, the image that described image processing unit is obtained to the image-generating unit
Calculating process is carried out, the lighting unit 20 includes light source 21 and light source controlling mechanism, as seen from Figure 4, in the present embodiment
The light source controlling mechanism is that the lower section of the working plate 10 is provided with fixed seat 22 and regulating block 23, and the fixed seat 22 sets
Put on the downside of the working plate 10, one end of the regulating block 23 is sold axle 24 and is hinged with the fixed seat 22, the light
Source 21 is arranged on the other end of the regulating block 23, and the light that light source 21 is launched is incided in the anaclasis unit 30.The tune
The middle part of locking nub 23 is provided with the regulation screwed hole of up/down perforation, and adjusting screw rod 25, the regulation spiral shell are provided with the regulation screwed hole
The upper end of bar is acted against in support block, and the support block is the regulating block with bearing pin as the axle center powered rotation strong point,
The support block is arranged on the downside of the working plate 10, and certainly, for the ease of production and processing, the support block can also be with
The working plate is integrally formed, as shown in figure 4, the support block is integrally formed with the working plate, the adjusting screw rod
25 upper ends are acted against in the support block, that is to say, that the upper end of adjusting screw rod 25 is acted against on the downside of the working plate 10, institute
The lower end for stating adjusting screw rod is provided with knob 27, as shown in figure 5, being provided with reset bullet between the fixed seat 22 and the regulating block 23
Spring 28, the back-moving spring 28 can be that the adjusting screw rod 25 provides the power abutted to working plate downside, make regulation
Screw tip is acted against on the working plate downside, and back-moving spring 28 described in the present embodiment is preferably extension spring.
Used as a kind of improvement, as shown in Figure 5, Figure 6, the regulating block 23 of the light source one end described in the present embodiment is provided with straight line
Bearing 230, being provided with the linear bearing can be along its sliding axle 231 slidably, and the sliding axle 231 is provided with light source and consolidates
Reservation 210, the light source fixed seat 210 is provided with least one light source 21.As seen from Figure 5, light described in the present embodiment
Source fixed seat 210 is provided with two light sources 21, and the light source 21 is LED array light source.The wavelength of two light sources 21 is different from each other,
The light source of suitable wavelength according to the actual conditions of stress mornitoring, can be selected when using, being suitable for for stress ga(u)ge of the present invention is expanded
Scope, improves the flexibility of stress mornitoring of the present invention.
Other structures are identical with embodiment one in the present embodiment, will not be described here.
It should be understood by those skilled in the art that the embodiments of the invention shown in foregoing description and accompanying drawing are only used as citing
And it is not intended to limit the present invention.It is noted that embodiment one can be mutually combined with the technical characteristic in embodiment two, than
Such as, in embodiment two linear bearing, sliding axle, light source fixed seat are equally applicable in embodiment one, and this is not limited
Protection scope of the present invention, the purpose of the present invention completely and is effectively realized.The function and structural principle of the present invention exists
Show in embodiment and illustrate, under without departing from the principle, embodiments of the present invention can have any deformation or modification.
Claims (10)
1. a kind of intensive safety glass surface stress instrument, including working plate, lighting unit, anaclasis unit, image-generating unit,
Graphics processing unit, the lighting unit is located at working plate lower section, the anaclasis unit position with the image-generating unit
On the working plate, for placing measuring samples, the lighting unit, the anaclasis unit are constituted with the image-generating unit
One light path, the anaclasis unit is located at the light direction of the launch of the lighting unit, and the image-generating unit is located at the light path
Rear end, the light that the lighting unit is launched is incided in the measuring samples on the anaclasis unit, and it is laggard that Jing is totally reflected
Enter image-generating unit imaging, the image-generating unit connects described image processing unit, described image processing unit to it is described into
As the image that unit is obtained carries out calculating process, it is characterised in that the lighting unit includes light source and light source controlling mechanism, institute
Stating light source controlling mechanism is, the working plate lower section is provided with fixed seat and regulating block, and the fixed seat is arranged on the work
Make on platen downside, the regulating block is sold axle and is hinged with the fixed seat, and the regulating block is provided with the regulation of up/down perforation
Screwed hole, is provided with adjusting screw rod in the regulation screwed hole, one end of the adjusting screw rod is acted against in support block, the regulation
The other end of screw rod is provided with knob, and back-moving spring is provided between the fixed seat and the regulating block, and the light source is arranged on institute
State on regulating block.
2. intensive safety glass surface stress instrument according to claim 1, it is characterised in that the support block is arranged on
It is described to adjust screwed hole with the light source respectively positioned at the both sides of the bearing pin on the fixed seat side.
3. intensive safety glass surface stress instrument according to claim 1, it is characterised in that the support block is arranged on
On the working plate downside, described regulating block one end is sold axle and is hinged with the fixed seat, and the regulating block other end is provided with
Light source, the regulation screwed hole is arranged on the regulating block middle part.
4. the intensive safety glass surface stress instrument according to Claims 2 or 3, it is characterised in that described light source one end
Regulating block be provided with linear bearing, being provided with the linear bearing can be along its sliding axle slidably, the sliding axle
Light source fixed seat is provided with, the light source fixed seat is provided with least one light source.
5. the intensive safety glass surface stress instrument according to Claims 2 or 3, it is characterised in that the light source is LED
Array light source.
6. the intensive safety glass surface stress instrument according to Claims 2 or 3, it is characterised in that the anaclasis list
Unit is that prism platform is provided with the working plate, and the prism platform middle part is provided with the prism groove of up/down perforation, the prism groove
Prism is inside provided with, the measuring samples are placed on the prism, prism incidence is to institute described in the light Jing that the light source is launched
State measuring samples, prism described in Jing enters into the image-generating unit imaging after propagation in the measuring samples.
7. intensive safety glass surface stress instrument according to claim 6, it is characterised in that the prism is isosceles three
Prism, the bottom surface of the isosceles prism slightly protrudes from the prism groove upper surface, and the measuring samples are placed on the isosceles
On the bottom surface of prism.
8. intensive safety glass surface stress instrument according to claim 7, it is characterised in that the prism groove cross section
The shape of shape, size and the isosceles prism bottom surface, size match, the prism groove and the isosceles three
Prism close proximity, forms closed prism platform.
9. intensive safety glass surface stress instrument according to claim 6, it is characterised in that the prism platform is provided with
Suction hole, the suction hole is distributed on the neighboring of the prism groove, and the prism platform lower surface being engaged with the suction hole sets
There is aspirating hole, air intake passage is provided between prism platform upper and lower surface, the suction hole is with the aspirating hole by described
Air intake passage is connected, and the aspirating hole connects air extractor.
10. the intensive safety glass surface stress instrument according to claim 7 or 8 or 9, it is characterised in that described work
Make platen and be provided with position-limiting fixture, the position-limiting fixture is arranged on the bearing of trend of the adjacent both sides of the prism platform, the limit
Position jig body is provided with multiple limited posts, and multiple limited posts accommodate the space of measuring samples around being formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127500.5A CN106644204B (en) | 2017-03-06 | 2017-03-06 | Intensive toughened glass surface stress instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127500.5A CN106644204B (en) | 2017-03-06 | 2017-03-06 | Intensive toughened glass surface stress instrument |
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| CN106644204A true CN106644204A (en) | 2017-05-10 |
| CN106644204B CN106644204B (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN106644204B (en) | 2022-12-02 |
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