CN107796545A - The contactless safety glass surface stress measurement device of polarised light and measuring method - Google Patents
The contactless safety glass surface stress measurement device of polarised light and measuring method Download PDFInfo
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- CN107796545A CN107796545A CN201711119591.4A CN201711119591A CN107796545A CN 107796545 A CN107796545 A CN 107796545A CN 201711119591 A CN201711119591 A CN 201711119591A CN 107796545 A CN107796545 A CN 107796545A
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- 239000005336 safety glass Substances 0.000 title claims abstract description 49
- 238000005259 measurement Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 13
- 238000012360 testing method Methods 0.000 claims abstract description 97
- 238000004458 analytical method Methods 0.000 claims abstract description 33
- 239000011521 glass Substances 0.000 claims description 56
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- 238000010998 test method Methods 0.000 claims description 9
- 238000005496 tempering Methods 0.000 claims description 4
- 230000004446 light reflex Effects 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000000278 gas antisolvent technique Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000002904 solvent Substances 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of contactless safety glass surface stress measurement device of polarised light, including computer and frame, the upper surface of frame is horizontal, the left vertical of frame top is fixed with mounting bracket, setting fixed mount is slided in left-right direction in the right side of frame top, universal protractor and speckle analysis instrument are fixed with mounting bracket, the square of wherein universal protractor is extended to the right, generating laser is fixed with square, generating laser is obliquely installed and the emission port of generating laser is down-set, and the emission port of generating laser is fixed with polarizer；The present invention is easier when in use, will be tested drawn function early stage and is stored in database, the later stage directly inputs test data when testing can draw stress test result.Energy consumption is relatively low when the present invention uses, energy-conserving and environment-protective, reduces production, measurement cost.
Description
Technical field
The invention belongs to glass strain detection technique field, and in particular to a kind of contactless safety glass surface of polarised light
Stress measurement device and method for measuring stress.
Background technology
China is one of glass production state maximum in the world, and 1 ~ August China safety glass yield in 2017 is 3.83 hundred million
Square metre, increase by 6.8% on a year-on-year basis.The surface stress of glass is not only the intensity index of glass, while is also most important safety science
Performance.Whether in the production phase of glass, or the detection of its surface stress of service stage is all particularly significant and must can not
Few link.
The stress test equipment of main flow is contact at present, i.e. GASP measuring stress instruments, also referred to as glancing angle surface stress meter,
It is a kind of portable optical instrument for being used for detecting glass product surface stress.It is former that GASP stress gauges are based on a kind of photoelasticimetry
Reason, converted by light through glass surface.Operator drips test solvent on glass, it is ensured that optical contact.GASP should
Power instrument is placed on liquid, and light and the glass surface through prism form a critical angle.It can be seen by the eyepiece of GASP stress gauges
Measure, the cross-hair related to angle also occur.Angle is read, then referring to random angle EXPERIMENTAL STRAIN-STRESS CONVERSION table, you can change
Stress value is calculated, angle is bigger, and stress value is bigger.
But this measuring stress instrument has certain limitation, its limitation is embodied in the following aspects：First, survey
The limitation of strip part, i.e. GASP stress gauges need to be placed on safety glass surface（Guarantee is in contact with it）It could be tested,
It can not be tested when cannot be guaranteed contact；Second, the limitation of read test result, GASP measuring stress instruments need
Artificial reading, it is likely to during artificial reading produce measurement error, influences test result；3rd, the limitation of testing time, utilize
GASP measuring stress instruments need dropping liquid, place instrument to safety glass surface, artificial when measuring safety glass surface stress
Reading, reduced stress value etc. operate, and these operations are required for the regular hour to complete（When manual operation is slipped up, also
Need to spend time operation again）.
The content of the invention
The present invention is in order to solve weak point of the prior art, there is provided it is a kind of it is contactless, test is accurate, easy to operate
The contactless safety glass surface stress measurement device of polarised light and method for measuring stress.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：A kind of contactless safety glass of polarised light
Surface stress measurement device, including computer and frame, the upper surface of frame are horizontal, and the left vertical of frame top is consolidated
Surely have mounting bracket, setting fixed mount is slided on the right side of frame top in left-right direction, be fixed with mounting bracket universal protractor and
The square of speckle analysis instrument, wherein universal protractor is extended to the right, and generating laser, laser hair are fixed with square
Emitter is obliquely installed and the emission port of generating laser is down-set, and the emission port of generating laser is fixed with polarizer,
Hot spot receiving screen is fixed with fixed mount, described computer is connected by data wire with the FPDP of tabula rasa analyzer.
Scale is provided with left-right direction on front side of frame.
A kind of method that contactless safety glass surface stress measurement device of polarised light carries out stress measurement, including it is following
Step：
（1）, prepare n block test steels glass and one block of safety glass to be measured, the wherein surface of n blocks test steels glass should
Power is respectively σ1、σ2、σ3、σ4、σ5……σn, wherein σ1、σ2、σ3、σ4、σ5……σnFor known numeric value, and σ2-σ1=σ3-σ2=……
σn-σn-1, the surface stress of safety glass to be measured is unknown；
（2）, in the case of different angle θ, identical L values measure n block test steels glass, draw test data, wherein θ
For the angle value on universal protractor, L is horizontal range of the laser between steeling surfaces pip and fixed mount；
（3）, analyzing test data：Function curve, and profit are made according to the test data measured in the case of different angle θ values
Analysis is fitted to function curve with origin DAS, draws the surface stress σ and facula position S of safety glass
The functional relation of (x, y)；
（4）, the safety glass surface stress σ that goes out Fitting Analysis under different angle θ and facula position S (x, y) functional relationComputer is stored in, the data after all analyses is arranged, establishes database；
（5）, carry out surface stress test to safety glass to be measured, adjustment hot spot receiving screen and laser steeling surfaces pip it
Between horizontal range be Lx, introduce proportionality coefficient k=L/Lx, function is adjusted to, should using safety glass surface
Power σ and facula position S (x, y) functional relation, safety glass to be measured is tested, by test institute total
According to computer is inputted, the surface stress of safety glass to be measured is drawn.
N block test steels glass is measured in the case of different angle θ, drawing the method for test data includes：
Choose θ1、θ2 ……θmAngle value of the common m angle value as measurement, and θ2-θ1=θ3-θ2=……θm-θm-1, successively
Choose angle value θ1、θ2 ……θm, and the test of n block test steels glass is carried out respectively, draw test data.
When the angle value on universal protractor is θ1When, using stress data method of testing to n block test steels glass
Tested successively, draw test data：α1=（A1 、A2、A3、……An）.
Described stress data method of testing, which specifically includes following steps, to be included：
（a）, by surface stress be σ1Test steels glass horizontal be placed on the upper surface of frame；
（b）, angular adjustment knob on rotation universal protractor is to angle, θ1, now hot spot receiving screen apart from laser in tempering glass
The horizontal range of glass surface pip is L1；
（c）, remove polarizer, open generating laser and speckle analysis instrument, laser transmitter projects light is through safety glass table
Face is reflexed on hot spot receiving screen, facula position on speckle analysis instrument analysis hot spot receiving screen, and speckle analysis instrument is by hot spot
Position, to computer, is recorded light by computer and reflexed to by the test steels glass surface by data line transfer
The facula position S of hot spot receiving screen1（x1,y1）, close generating laser and speckle analysis instrument；
（d）, again by polarizer assembling on generating laser, open generating laser and speckle analysis instrument, pass through computer
Record light reflexes to the facula position S of hot spot receiving screen by the test steels glass surface1'(x1',y1'), close
Generating laser and speckle analysis instrument；
（e）, by surface stress σ1, angle, θ1, facula position S1（x1,y1）, facula position S1'(x1',y1'), horizontal range L1Note
For test data A1；
（g）, in θ1、L1Test surfaces stress is σ under conditions of constant2Test steels glass, according to step（a）-（e）'s
Operating method test surfaces stress is σ2Test steels glass, and record facula position S2（x2,y2）And S2'(x2',y2'),
By surface stress σ2, angle, θ1, facula position S2（x2,y2）, facula position S2'(x2',y2'), horizontal range L1It is recorded as testing
Data A2；
（h）, according to step（a）-（e）, in θ1、L1Under conditions of constant, remaining test steels glass is tested successively（That is table
Face stress is σ3、σ4、σ5……σnTest steels glass）, record test data A3、A4、A5……An, draw α1=（A1 、
A2、A3、……An）.
Above-mentioned technical proposal is used, the invention has the advantages that：The present invention is possessed compared with prior art
Beneficial effect is method of testing uniqueness, and different from GASP photoelastic test method, having innovated a set of new safety glass surface should
Force test method, the present invention are a kind of contactless safety glass surface stress measurement instrument, and instrument in itself can be with when test
Do not connect safety glass, it is not necessary to artificial reading reduced stress, it is only necessary to which the Data Analysis Services of early stage are stored in computer, later stage
The surface stress of measurement safety glass is time saving and energy saving, and test result is directly by Computer display, and measuring speed is than GASP stress gauge
Measuring speed faster, is more suitable for factory lines on-line checking.The present invention is easier when in use, will test institute early stage
The function deposit database drawn, the later stage directly inputs test data when testing can draw stress test result, and the present invention makes
With when energy consumption it is relatively low, energy-conserving and environment-protective, reduce production, measurement cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
As shown in figure 1, a kind of contactless safety glass surface stress measurement device of polarised light of the present invention, including calculate
Machine 1 and frame 2, the upper surface of frame 2 are horizontal, and the left vertical at the top of frame 2 is fixed with mounting bracket 3, the top of frame 2
Right side slide in left-right direction fixed mount 4 be set, be fixed with universal protractor 5 and speckle analysis instrument 6 on mounting bracket 3, wherein
The square of universal protractor 5 is extended to the right, and generating laser 7 is fixed with square, and generating laser 7 is obliquely installed
And the emission port of generating laser 7 is down-set, the emission port of generating laser 7 is fixed with polarizer 8, on fixed mount 4
Hot spot receiving screen 9 is fixed with, described computer 1 is connected by data wire with the FPDP of tabula rasa analyzer.The front side of frame 2
Scale 10 is provided with left-right direction.
The method for carrying out stress measurement using the contactless safety glass surface stress measurement device of polarised light, including it is following
Step：
（1）, prepare 120 blocks of test steels glass and one block of safety glass to be measured, wherein the table of 120 blocks of test steels glass
Face stress is respectively σ1、σ2、……σ120, wherein σ1、σ2、……σ120For known numeric value, and σ2-σ1=σ3-σ2=……σ120-σ119,
The surface stress of safety glass to be measured is unknown；
（2）, in the case of different angle θ, identical L values measure 120 blocks of test steels glass, draw test data, its
Middle θ be universal protractor 5 on angle value, horizontal ranges of the L between hot spot receiving screen and fixed mount；
（3）, analyzing test data：Function curve, and profit are made according to the test data measured in the case of different angle θ values
Analysis is fitted to function curve with origin DAS, draws the surface stress σ and facula position S of safety glass
The functional relation of (x, y)；
（4）, the safety glass surface stress σ that goes out Fitting Analysis under different angle θ and facula position S (x, y) functional relationComputer 1 is stored in, the data after all analyses is arranged, establishes database；
（5）, carry out surface stress test to safety glass to be measured, adjustment hot spot receiving screen and laser steeling surfaces pip it
Between horizontal range be Lx, introduce proportionality coefficient k=L/Lx, function is adjusted to, should using safety glass surface
Power σ and facula position S (x, y) functional relation, safety glass to be measured is tested, by test institute total
According to computer is inputted, the surface stress of safety glass to be measured is drawn.
120 blocks of test steels glass are measured in the case of different angle θ, drawing the method for test data includes：Choosing
Take θ1、θ2 ……θ6Angle value of totally 6 angle values as measurement, and θ2-θ1=θ3-θ2=……θ6-θ5, angle is chosen successively
Value θ1、θ2 ……θ6, and the test of 120 blocks of test steels glass is carried out respectively, draw test data.
When the angle value on universal protractor 5 is θ1When, using stress data method of testing to 120 pieces of test steels glass
Glass is tested successively, draws test data：α1=（A1 、A2、A3、……A120）, β1=（B1、B2、B3……B120）, γ1=（C1、
C2、C3……C120）.
Described stress data method of testing, which specifically includes following steps, to be included：
（a）, by surface stress be σ1Test steels glass horizontal be placed on the upper surface of frame 2；
（b）, angular adjustment knob on rotation universal protractor 5 is to angle, θ1, now hot spot receiving screen 9 apart from laser in tempering
The horizontal range of glass surface pip is L1；
（c）, remove polarizer 8, open generating laser 7 and speckle analysis instrument 6, generating laser 7 launches light through tempering glass
Glass surface is reflexed on hot spot receiving screen 9, and speckle analysis instrument 6 analyzes facula position on hot spot receiving screen 9, and speckle analysis instrument
6 by facula position by data line transfer to computer 1, light is recorded by computer 1 and passes through the test steels glass
Surface reflexes to the facula position S of hot spot receiving screen 91（x1,y1）, close generating laser 7 and speckle analysis instrument 6；
（d）, again polarizer 8 is assembled on generating laser 7, open generating laser 7 and speckle analysis instrument 6, pass through meter
Calculation machine 1 records the facula position S that light reflexes to hot spot receiving screen 9 by the test steels glass surface1'(x1',
y1'), close generating laser 7 and speckle analysis instrument 6；
（e）, by surface stress σ1, angle, θ1, facula position S1（x1,y1）, facula position S1'(x1',y1'), horizontal range L1Note
For test data A1；
（g）, in θ1、L1Test surfaces stress is σ under conditions of constant2Test steels glass, according to step（a）-（e）'s
Operating method test surfaces stress is σ2Test steels glass, and record facula position S2（x2,y2）And S2'(x2',y2'),
By surface stress σ2, angle, θ1, facula position S2（x2,y2）, facula position S2'(x2',y2'), horizontal range L1It is recorded as testing
Data A2；
（h）, according to step（a）-（e）, in θ1、L1Under conditions of constant, remaining test steels glass is tested successively（That is table
Face stress is σ3、σ4、……σ120Test steels glass）, record test data A3、A4、……A120, draw α1=（A1 、
A2、A3、……A120）；
The present embodiment is not that the shape to the present invention, material, structure etc. make any formal limitation, every according to the present invention's
Any simple modification, equivalent change and modification that technical spirit is made to above example, belongs to technical solution of the present invention
Protection domain.
Claims (6)
- A kind of 1. contactless safety glass surface stress measurement device of polarised light, it is characterised in that：Including computer and frame, The upper surface of frame is horizontal, and the left vertical of frame top is fixed with mounting bracket, and the right side of frame top is along right and left Fixed mount is set to sliding, the square of universal protractor and speckle analysis instrument, wherein universal protractor is fixed with mounting bracket It is extended to the right, generating laser is fixed with square, generating laser is obliquely installed and the transmitting terminal of generating laser Mouth is down-set, and the emission port of generating laser is fixed with polarizer, and hot spot receiving screen, described meter are fixed with fixed mount Calculation machine is connected by data wire with the FPDP of tabula rasa analyzer.
- 2. the contactless safety glass surface stress measurement device of a kind of polarised light according to claim 1, its feature exist In：Scale is provided with left-right direction on front side of frame.
- 3. carry out stress survey using the contactless safety glass surface stress measurement device of a kind of polarised light described in claim 1 The method of amount, it is characterised in that：Comprise the following steps：（1）, prepare n block test steels glass and one block of safety glass to be measured, the wherein surface of n blocks test steels glass should Power is respectively σ1、σ2、σ3、σ4、σ5……σn, wherein σ1、σ2、σ3、σ4、σ5……σnFor known numeric value, and σ2-σ1=σ3-σ2=…… σn-σn-1, the surface stress of safety glass to be measured is unknown；（2）, in the case of different angle θ, identical L values measure n block test steels glass, draw test data, wherein θ For the angle value on universal protractor, L is horizontal range of the laser between steeling surfaces pip and fixed mount；（3）, analyzing test data：Function curve, and profit are made according to the test data measured in the case of different angle θ values Analysis is fitted to function curve with origin DAS, draws the surface stress σ and facula position S of safety glass The functional relation of (x, y)；（4）, the safety glass surface stress σ that goes out Fitting Analysis under different angle θ and facula position S (x, y) functional relationComputer is stored in, the data after all analyses is arranged, establishes database；（5）, carry out surface stress test to safety glass to be measured, adjustment hot spot receiving screen and laser steeling surfaces pip it Between horizontal range be Lx, introduce proportionality coefficient k=L/Lx, function is adjusted to, should using safety glass surface Power σ and facula position S (x, y) functional relation, safety glass to be measured is tested, by test institute total According to computer is inputted, the surface stress of safety glass to be measured is drawn.
- 4. the contactless safety glass surface stress measurement device of a kind of polarised light according to claim 3 carries out stress survey The method of amount, it is characterised in that：N block test steels glass is measured in the case of different angle θ, draws the side of test data Method includes：Choose θ1、θ2 ……θmAngle value of the common m angle value as measurement, and θ2-θ1=θ3-θ2=……θm-θm-1, successively Choose angle value θ1、θ2 ……θm, and the test of n block test steels glass is carried out respectively, draw test data.
- 5. the contactless safety glass surface stress measurement device of a kind of polarised light according to claim 4 carries out stress survey The method of amount, it is characterised in that：When the angle value on universal protractor is θ1When, n block test steels glass is entered successively using stress data method of testing Row test, draws test data：α1=（A1 、A2、A3、……An）.
- 6. the contactless safety glass surface stress measurement device of a kind of polarised light according to claim 5 carries out stress survey The method of amount, it is characterised in that：Described stress data method of testing, which specifically includes following steps, to be included：（a）, by surface stress be σ1Test steels glass horizontal be placed on the upper surface of frame；（b）, angular adjustment knob on rotation universal protractor is to angle, θ1, now hot spot receiving screen apart from laser in tempering glass The horizontal range of glass surface pip is L1；（c）, remove polarizer, open generating laser and speckle analysis instrument, laser transmitter projects light is through safety glass table Face is reflexed on hot spot receiving screen, facula position on speckle analysis instrument analysis hot spot receiving screen, and speckle analysis instrument is by hot spot Position, to computer, is recorded light by computer and reflexed to by the test steels glass surface by data line transfer The facula position S of hot spot receiving screen1（x1,y1）, close generating laser and speckle analysis instrument；（d）, again by polarizer assembling on generating laser, open generating laser and speckle analysis instrument, pass through computer Record light reflexes to the facula position S of hot spot receiving screen by the test steels glass surface1'(x1',y1'), close Generating laser and speckle analysis instrument；（e）, by surface stress σ1, angle, θ1, facula position S1（x1,y1）, facula position S1'(x1',y1'), horizontal range L1Note For test data A1；（g）, in θ1、L1Test surfaces stress is σ under conditions of constant2Test steels glass, according to step（a）-（e）'s Operating method test surfaces stress is σ2Test steels glass, and record facula position S2（x2,y2）And S2'(x2',y2'), By surface stress σ2, angle, θ1, facula position S2（x2,y2）, facula position S2'(x2',y2'), horizontal range L1It is recorded as testing Data A2；（h）, according to step（a）-（e）, in θ1、L1Under conditions of constant, remaining test steels glass is tested successively（That is table Face stress is σ3、σ4、σ5……σnTest steels glass）, record test data A3、A4、A5……An, draw α1=（A1 、 A2、A3、……An）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119591.4A CN107796545B (en) | 2017-11-14 | 2017-11-14 | Polarized light non-contact toughened glass surface stress measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119591.4A CN107796545B (en) | 2017-11-14 | 2017-11-14 | Polarized light non-contact toughened glass surface stress measuring device and measuring method |
Publications (2)
| Publication Number | Publication Date |
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| CN107796545A true CN107796545A (en) | 2018-03-13 |
| CN107796545B CN107796545B (en) | 2023-10-13 |
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|---|---|---|---|---|
| CN101592537A (en) * | 2009-07-10 | 2009-12-02 | 成都光明光电股份有限公司 | Stress of optical glass device and measuring method thereof |
| CN105466613A (en) * | 2015-11-27 | 2016-04-06 | 苏州精创光学仪器有限公司 | Tempered glass surface stress detection device |
| CN105547543A (en) * | 2016-02-01 | 2016-05-04 | 苏州精创光学仪器有限公司 | Raman spectrometer for measuring tempered glass surface stress and measurement method of tempered glass surface stress |
| CN105698985A (en) * | 2016-02-06 | 2016-06-22 | 北京工业大学 | Thermal tempering stress detection device applicable to large-format sheet glass |
| CN106556573A (en) * | 2016-11-17 | 2017-04-05 | 仝宁瑶 | A kind of experimental provision for determining glass refraction |
| CN207502086U (en) * | 2017-11-14 | 2018-06-15 | 河南理工大学 | The contactless tempered glass surface stress measurement device of polarised light |
-
2017
- 2017-11-14 CN CN201711119591.4A patent/CN107796545B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592537A (en) * | 2009-07-10 | 2009-12-02 | 成都光明光电股份有限公司 | Stress of optical glass device and measuring method thereof |
| CN105466613A (en) * | 2015-11-27 | 2016-04-06 | 苏州精创光学仪器有限公司 | Tempered glass surface stress detection device |
| CN105547543A (en) * | 2016-02-01 | 2016-05-04 | 苏州精创光学仪器有限公司 | Raman spectrometer for measuring tempered glass surface stress and measurement method of tempered glass surface stress |
| CN105698985A (en) * | 2016-02-06 | 2016-06-22 | 北京工业大学 | Thermal tempering stress detection device applicable to large-format sheet glass |
| CN106556573A (en) * | 2016-11-17 | 2017-04-05 | 仝宁瑶 | A kind of experimental provision for determining glass refraction |
| CN207502086U (en) * | 2017-11-14 | 2018-06-15 | 河南理工大学 | The contactless tempered glass surface stress measurement device of polarised light |
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| CN107796545B (en) | 2023-10-13 |
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