CN107907405A - Structure sealant device for fast detecting aged sample and structure sealant quick aging method - Google Patents
Structure sealant device for fast detecting aged sample and structure sealant quick aging method Download PDFInfo
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- CN107907405A CN107907405A CN201711492820.7A CN201711492820A CN107907405A CN 107907405 A CN107907405 A CN 107907405A CN 201711492820 A CN201711492820 A CN 201711492820A CN 107907405 A CN107907405 A CN 107907405A
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- structure sealant
- fixture
- pull rod
- fast detecting
- aging
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- 239000000565 sealant Substances 0.000 title claims abstract description 121
- 230000032683 aging Effects 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004088 simulation Methods 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000012360 testing method Methods 0.000 claims description 44
- 230000035882 stress Effects 0.000 claims description 29
- 239000011521 glass Substances 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 25
- 239000000523 sample Substances 0.000 description 21
- 229920001296 polysiloxane Polymers 0.000 description 17
- 239000003292 glue Substances 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052724 xenon Inorganic materials 0.000 description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
Abstract
The invention discloses a kind of structure sealant device for fast detecting aged sample and method.The structure sealant device for fast detecting aged sample includes Aging simulation case, temperature detection part, luminous component, thermoregulator, tensile part, hold assembly and controller.Hold assembly has the first fixture and the second fixture, tensile part has the first pull rod, second pull rod, pulling force sensor and stretching driving part, one end of first pull rod is connected to the bottom of Aging simulation case, the other end of first pull rod upward and connection the first fixture, stretching driving part is connected on Aging simulation case and is connected to pulling force sensor, pulling force sensor is connected to one end of the second pull rod, the other end of second pull rod downward and is connected to the second fixture, controller is electrically connected at temperature detection part, luminous component, stretch driving part and pulling force sensor.The accuracy of structure sealant device for fast detecting aged sample assessment and precision improve.
Description
Technical field
The present invention relates to chemical field, adds more particularly to a kind of structure sealant device for fast detecting aged sample and structure sealant
Fast aging method.
Background technology
Structure sealant is the important component of glass curtain wall, plays the work of construction bonds building main body and glass plate
With being particularly widely used on concealed frame glass curtain wall.In actual use, structure glue be subject to extraneous wind pressure, own wt,
The ess-strain of the repeated deformation that expands with heat and contract with cold of base material panel caused by earthquake, temperature change.With the extension of usage time, knot
Structure glue occurs that intensity and deformability etc. deteriorate, and influences curtain wall service life, or even triggers security incident, such as news report mistake
The high-altitude glass that drops injures pedestrian by a crashing object.So the security during structural sealant long-time service is extremely important, it is resistance to assess its
The method of long property is the emphasis of industry from now on, and matched artificial accelerated aging device is even more indispensable important composition portion
Point.
Structure sealant quick aging method, is all kinds of destructive factors of the artificial simulation climate in laboratory, studies silicon
The mode of structure sealant ageing-resistant performance.Artificial accelerated aging device just refers in these destructive factors of experiment indoor simulation
Required equipment, and these factors are given with certain reinforcing, to overcome natural solarization experiment to take the shortcomings that long.Strengthen
Measure includes replacing sunshine with high power ultraviolet, accelerates destruction to material instead of ambient temperature and moisture etc. with hot and humid, can
Result is obtained in a short time.But the result of artificial accelerated aging is often again not quite identical with the result of natural solarization experiment, very
To only less compatible degree.
Existing silicone structure sealant artificial ageing device, the acceleration being mainly based upon under the influence of single factor test or dual factors are old
Change, and there is no the influence for considering stress, but in actual use, silicone structure sealant is to be in stress
Lower work, and suffered stress is because of wind pressure size variation, difference variation and lasting change, while high molecular material is being subject to fatigue
Faster, the accuracy and precision for causing existing silicone structure sealant artificial ageing device assessment are compared for aging during ringing
It is low.
The content of the invention
Based on this, it is necessary to provide a kind of accuracy that can improve assessment and the structure sealant accelerated ageing of precision dress
Put and structure sealant quick aging method.
A kind of structure sealant device for fast detecting aged sample, including Aging simulation case, temperature detection part, luminous component, temperature
Adjuster, tensile part, hold assembly and controller；
The temperature detection part, the luminous component, the thermoregulator, the tensile part and the clamping
Component is each provided in the Aging simulation case, and the hold assembly has the first fixture and the second fixture, the tensile part
It is connected to described with the first pull rod, the second pull rod, pulling force sensor and stretching driving part, one end of first pull rod
In Aging simulation case, the other end of first pull rod is upward and connection first fixture, the stretching driving part connect
Connect on the Aging simulation case and with the pulling force sensor, second pull rod, second fixture, first folder
Tool and second fixture are respectively used to clamp the both ends of structure sealant test block, and the controller is electrically connected at described
Temperature detection part, the luminous component, the stretching driving part and the pulling force sensor.
In one of the embodiments, first fixture has the first clip slot, and the notch of first clip slot is opposite
Two edges are respectively provided with towards spacing block set prominent in the middle part of notch, and second fixture has the second clip slot, second folder
Two edges that the notch of groove is opposite are respectively provided with inwardly projecting spacing block set, the notch of first clip slot and the described second folder
The notch of groove is opposite.
In one of the embodiments, first clip slot is straight slot, and second clip slot is straight slot.
In one of the embodiments, the temperature detection part is temperature pulling force sensor.
In one of the embodiments, the luminous component is UV lamp.
In one of the embodiments, the outer cup of the luminous component is equipped with protective cover.
In one of the embodiments, first pull rod and second pull rod are coaxial.
In one of the embodiments, the side wall of the Aging simulation case has multiple ventilation holes.
In one of the embodiments, the quantity of the luminous component is two, and two luminous components connect respectively
On two opposite inner walls of the Aging simulation case, two luminous components are towards first fixture and described second
Interval between fixture.
A kind of structure sealant quick aging method, includes the following steps：
Structure sealant and two pieces of glass substrates are subjected to sample preparation by preassigned and form structure sealant test block, two
The glass substrate is located at the both sides of structure sealant, and the structure sealant test block is in I-shaped；
By the structure sealant test block as in Aging simulation case, and the structure sealant test block both ends
Two glass substrates are clipped on the first fixture and the second fixture respectively；
Thermoregulator is controlled to carrying out temperature adjustment in the Aging simulation case to preset temperature, temperature detection part into
The real-time of trip temperature detects, and the temperature in the Aging simulation case is 70 DEG C -150 DEG C；
Luminous component is opened, the wavelength for the light that the luminous component is sent is 200nm-400nm, the luminous component
Radiation intensity is 40W/m2-300W/m2；
The driving pulling force sensor movement of restrained stretching driving part and the first pull rod of drive are directed away from the side of the second pull rod
To movement, the tensile strength values of the stretching driving part are 0.07MPa-0.42MPa, control the stretching driving part pre-
If loading stress is added to preset value in the time, and after keeping stress to preset time, unload stress；
The stretching driving part repeatedly loading stress and unloading stress are controlled, takes out the structure sealant test
Part, detects the tensile strength of structure sealant in the structure sealant test block.
Said structure fluid sealant device for fast detecting aged sample is acted at the same time using three factors, can preferably agree with that fluid sealant is actual to be made
Environment, can preferably simulate the aging rule of fluid sealant, can realize three factor collective effects.Said structure fluid sealant adds
The accuracy of fast aging equipment assessment and precision improve.Said structure fluid sealant device for fast detecting aged sample, light is used as using UV lamp
Source, UV lamp cover the stretching displacement scope of conventional structure fluid sealant test block, avoid point light source because steel is light tight and spoke
Penetrate less than or radiate non-uniform problem.
Said structure fluid sealant device for fast detecting aged sample, has installed protective cover additional outside luminous component, has avoided structure sealant
Test block breaks the fragment damage luminous component of pop-up.
Said structure fluid sealant quick aging method, it is easy to operate, and what the method can be more efficient realizes structure sealant
Accelerated ageing.Said structure fluid sealant quick aging method is acted on artificial at the same time using Cyclic Stress, temperature, three factor of illumination
Accelerated ageing, can preferably agree with the ambient conditions of structure sealant actual use.Said structure fluid sealant quick aging method
Industry is filled up and has lacked the coefficient artificial accelerated aging method of three factors, and (on-fixed should comprising that can set fixed stress
Become) Quick mechanical fatigue and cyclic aging this key factor.
Brief description of the drawings
Fig. 1 is the Aging simulation case inner side schematic diagram of the structure sealant device for fast detecting aged sample described in an embodiment；
Fig. 2 is another side schematic diagram inside Aging simulation case shown in Fig. 1.
Description of reference numerals
10th, structure sealant device for fast detecting aged sample；100th, Aging simulation case；110th, ventilation hole；200th, temperature detection part；
300th, luminous component；410th, the first pull rod；420th, the second pull rod；510th, the first fixture；520th, the second fixture；20th, sealing structure
Glue test block.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood implication of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
The arbitrary and all combination of the Listed Items of pass.
Embodiment 1
Referring to shown in Fig. 1, Fig. 2, the present embodiment relate to a kind of structure sealant device for fast detecting aged sample 10.The sealing structure
Glue device for fast detecting aged sample 10 includes Aging simulation case 100, temperature detection part 200, luminous component 300, thermoregulator, stretching
Component, hold assembly and controller.Wherein controller can be PLC, and most preferably controller can be computer, wherein,
Stretching loop test software is installed in computer.
Aging simulation case 100 meets the following conditions：
1) work chamber size is not less than 1000mm × 500mm × 300mm；
2) temperature range：-150℃—+500℃；
3) temperature deviation：≤±1.0℃；
4) temperature fluctuation：≤±0.5℃.For example, Aging simulation case 100 can select Shenzhen to think carefully SGDX70- in length and breadth
150。
Further, air-cooled thermoregulator can also be used to carry out in the Aging simulation case 100 in the present embodiment
Heating, cooling.
Temperature detection part 200, luminous component 300, thermoregulator, tensile part and hold assembly are each provided at aging
In simulation box 100.
The heating power of thermoregulator is 2KW.The temperature control mode of thermoregulator can be that microcomputer PID is controlled automatically
System；The power supply of thermoregulator is：AC220V, 50HZ.
Hold assembly has the first fixture 510 and the second fixture 520.
Tensile part has the first pull rod 410, the second pull rod 420, pulling force sensor and stretching driving part.First draws
One end of bar 410 is connected to the bottom of Aging simulation case 100.The other end of first pull rod 410 upward and connection the first fixture
510.Stretching driving part is connected on Aging simulation case 100 and is connected to pulling force sensor.Pulling force sensor is connected to second
One end of pull rod 420, the other end of the second pull rod 420 downward and are connected to the second fixture 520.First fixture 510 and second
Fixture 520 is respectively used to clamp the upper and lower ends of structure sealant test block 20.
First fixture 510, the second fixture 520 can use 304 stainless steels to prepare, the first fixture 510, the second fixture 520
Size is not less than 50mm × 50mm × 2mm.First fixture 510, the second fixture 520 can use other sizes or shape.
Controller is electrically connected at temperature detection part 200, luminous component 300, stretching driving part and pull sensing
Device.
More specifically, in the present embodiment, tensile part can use electronic universal tester.Pulling force in the present embodiment passes
The relevant parameter of sensor is as follows：
1) pulling force sensor load scope：-2000N—+10000N；
2) pulling force sensor load control accuracy：0.00001N；
3) the axis translational speed scope of pulling force sensor：0.001mm/min-500mm/min；
4) the large deformation scope of pulling force sensor：1mm-500mm；
5) the large deformation precision of pulling force sensor：0.01mm.
In one embodiment, the first fixture 510 has the first clip slot.Two edges that the notch of first clip slot is opposite are equal
With the spacing block set protruded towards notch middle part.Second fixture 520 has the second clip slot.The notch of second clip slot it is opposite two
A edge is respectively provided with inwardly projecting spacing block set, and the notch of the first clip slot is opposite with the notch of the second clip slot.Structure sealant
Test block is H-shaped, and structure sealant test block and the first clip slot, the second clip slot are embedded cooperation.
In one embodiment, the first clip slot is straight slot, and the second clip slot is straight slot.
In one embodiment, temperature detection part 200 is temperature pulling force sensor.Such as temp probe or electronics temperature
Degree meter etc..
In one embodiment, luminous component 300 is UV lamp.UV lamp pipe includes but not limited to xenon lamp, mercury lamp, helium lamp, krypton
Lamp, hydrogen lamp.The wavelength and intensity of luminous component 300 are optional.
Preferably, 300 distance the first fixture 510 of luminous component, the distance of the second fixture 520 are less than 500mm.
Further, in one embodiment, the quantity of luminous component 300 is two, and two luminous components 300 are distinguished
It is connected on two opposite inner walls of Aging simulation case 100, two luminous components 300 are towards the first fixture 510 and the second folder
Interval between tool 520.The radiation of light source direction of luminous component 300 is side direct projection.
In one embodiment, the outer cup of luminous component 300 is equipped with protective cover.The accelerated ageing of said structure fluid sealant fills
10 are put, protective cover has been installed additional outside luminous component 300, avoids the fragment damage hair that structure sealant test block 20 breaks pop-up
Light component 300.
Preferably, the material of protective cover includes but not limited to steel, tempered glass, aluminium alloy, and the shape of protective cover includes
But it is not limited to netted, fence type.
In one embodiment, the first pull rod 410 and the second pull rod 420 are coaxial.
In one embodiment, the side wall of Aging simulation case 100 has multiple ventilation holes 110.
The structure sealant device for fast detecting aged sample 10 that the present embodiment is related to when for silicone structure sealant burn-in test,
It is related to a kind of structure sealant quick aging method, which includes the following steps：
Silicone structure sealant and two pieces of glass substrates are subjected to sample preparation by preassigned and form structure sealant test block
20, two glass substrates are located at the both sides of silicone structure sealant, and structure sealant test block 20 is in I-shaped；
By structure sealant test block 20 as in Aging simulation case 100, and 20 both ends of structure sealant test block
Two glass substrates are clipped on the first fixture 510 and the second fixture 520 respectively；
Controller controls thermoregulator to carrying out temperature adjustment in Aging simulation case 100 to preset temperature, temperature detection
Component 200 is detected into the real-time of trip temperature, and the temperature in Aging simulation case 100 is 70 DEG C -100 DEG C；
Controller control luminous component 300 is opened, and the wavelength for the light that luminous component 300 is sent is 200nm-400nm, hair
The radiation intensity of light component 300 is 40W/m2-300W/m2；
Controller restrained stretching driving part driving pulling force sensor is mobile and drives the first pull rod 410 to be directed away from second
The direction movement of pull rod 420, the tensile strength values for stretching driving part are 0.07MPa-0.42MPa, control the stretching driving
Loading stress is added to preset value by component in preset time, and after keeping stress to preset time, unloads stress；
Control the stretching driving part repeatedly loading stress and unloading stress, namely circulation is repeatedly, takes out structure
Fluid sealant test block 20, the tensile strength of silicone structure sealant in detection structure fluid sealant test block 20.
Embodiment 2
According to the structure sealant quick aging method in embodiment 1, silicone structure sealant is pressed into GB16776- respectively
The regulation of 6.8.1,6.8.2 carry out sample preparation and form structure sealant test block A in 2005, are conserved.Structure sealant is tested
The both sides of part A are glass substrate.
According to the design requirement of JGJ 102-2003, the standard tensile intensity value 0.14MPa of silicone structure sealant.This
It is 0.14MPa that example, which sets the tensile strength values of stretching driving part,.The stretching cycle period for stretching driving part is 8 seconds, namely
The loading stress time is 2 seconds, and the retention time is 2 seconds, and unloading stress time is 2 seconds, starts subsequent cycle after waiting 2 seconds.
Thermoregulator is fixed as 70 DEG C.Two ultraviolet lamp wavelength of selection are 400nm and energy is 40W/m2Xenon lamp,
The structure sealant test block A of same batch is circulated 10000,20000,30000,50000,80000,100000 times respectively, is examined
The tensile strength of silicone structure sealant in geodesic structure fluid sealant test block A.
Embodiment 3
According to the structure sealant quick aging method in embodiment 1, silicone structure sealant is pressed into GB16776- respectively
The regulation of 6.8.1,6.8.2 carry out sample preparation and form structure sealant test block B in 2005, are conserved.Structure sealant is tested
The both sides of part B are glass substrate.
According to the design requirement of JGJ 102-2003, the standard tensile intensity value 0.14MPa of silicone structure sealant.This
It is 0.21MPa that example, which sets the tensile strength values of stretching driving part,.The stretching cycle period for stretching driving part is 6 seconds, namely
The loading stress time is 2 seconds, and the retention time is 2 seconds, and unloading stress time is 2 seconds, starts subsequent cycle.
Thermoregulator is fixed as 90 DEG C.Two ultraviolet lamp wavelength of selection are 340nm and energy is 60W/m2Xenon lamp,
The structure sealant test block B of same batch is circulated 10000,20000,30000,50000,80000,100000 times respectively, is examined
The tensile strength of silicone structure sealant in geodesic structure fluid sealant test block B.
Embodiment 4
According to the structure sealant quick aging method in embodiment 1, silicone structure sealant is pressed into GB16776- respectively
The regulation of 6.8.1,6.8.2 carry out sample preparation and form structure sealant test piece C in 2005, are conserved.Structure sealant is tested
The both sides of part B are glass substrate.
According to the design requirement of JGJ 102-2003, the standard tensile intensity value 0.14MPa of silicone structure sealant.This
It is 0.28MPa that example, which sets the tensile strength values of stretching driving part,.The stretching cycle period for stretching driving part is 6 seconds, namely
The loading stress time is 2 seconds, and the retention time is 2 seconds, and unloading stress time is 2 seconds, starts subsequent cycle.
Thermoregulator is fixed as 100 DEG C.Two ultraviolet lamp wavelength of selection are 300nm and energy is 100W/m2Xenon
Lamp, the structure sealant test piece C of same batch is circulated 10000,20000,30000,50000,80000,100000 times respectively,
The tensile strength of silicone structure sealant in detection structure fluid sealant test piece C.
Tensile strength test method in embodiment 2-4 is as follows：The test specimen after the accelerated ageing in embodiment 2-4 is taken out,
24h is placed under standard conditions (23 DEG C of temperature, relative humidity 50%), by the regulation of 6.8.4 in GB16776-2005, test 23
DEG C when structure sealant test block in silicone structure sealant tensile propcrties, obtain ultimate tensile strength, test result is such as
Shown in table 1 below.
Table 1：Structure sealant accelerated ageing result
Note："/" represents that test piece fails to obtain ultimate tensile strength, the rupture failure during artificial accelerated aging.
Said structure fluid sealant device for fast detecting aged sample 10 is acted at the same time using three factors, can preferably agree with fluid sealant reality
The environment used, can preferably simulate the aging rule of fluid sealant, can realize three factor collective effects., pass through said structure
Fluid sealant device for fast detecting aged sample 10, sets the parameters such as wavelength, the intensity of fixed cycles stress, temperature and luminous component 300, so that it may
To realize that the artificial accelerated aging under three factor collective effects is tested.The standard that said structure fluid sealant device for fast detecting aged sample 10 is assessed
Exactness and precision improve.
Said structure fluid sealant device for fast detecting aged sample 10, using UV lamp as light source, UV lamp covers conventional structure sealing
The stretching displacement scope of glue test block 20, avoids point light source and radiates less than or radiate non-uniform ask because steel is light tight
Topic.
Said structure fluid sealant quick aging method, it is easy to operate, and what the method can be more efficient realizes structure sealant
Accelerated ageing.Said structure fluid sealant quick aging method is acted on artificial at the same time using Cyclic Stress, temperature, three factor of illumination
Accelerated ageing, can preferably agree with the ambient conditions of structure sealant actual use.Said structure fluid sealant quick aging method
Industry is filled up and has lacked the coefficient artificial accelerated aging method of three factors, and (on-fixed should comprising that can set fixed stress
Become) Quick mechanical fatigue and cyclic aging this key factor.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of structure sealant device for fast detecting aged sample, it is characterised in that including Aging simulation case, temperature detection part, shine
Component, thermoregulator, tensile part, hold assembly and controller；
The temperature detection part, the luminous component, the thermoregulator, the tensile part and the hold assembly
It is each provided in the Aging simulation case, the hold assembly has the first fixture and the second fixture, and the tensile part has
First pull rod, the second pull rod, pulling force sensor and stretching driving part, one end of first pull rod is connected to the aging
In simulation box, the other end of first pull rod is upward and connection first fixture, the stretching driving part are connected to institute
State on Aging simulation case and connect with the pulling force sensor, second pull rod, second fixture, first fixture with
And second fixture is respectively used to clamp the both ends of structure sealant test block, the controller is electrically connected at the temperature
Detection part, the luminous component, the stretching driving part and the pulling force sensor.
2. structure sealant device for fast detecting aged sample according to claim 1, it is characterised in that first fixture has the
One clip slot, two edges that the notch of first clip slot is opposite are respectively provided with towards spacing block set prominent in the middle part of notch, described
Second fixture has the second clip slot, and two edges that the notch of second clip slot is opposite are respectively provided with inwardly projecting limit convex
Block, the notch of first clip slot are opposite with the notch of second clip slot.
3. structure sealant device for fast detecting aged sample according to claim 3, it is characterised in that first clip slot is logical
Groove, second clip slot are straight slot.
4. according to the structure sealant device for fast detecting aged sample described in claim 1-3 any one, it is characterised in that the temperature
Detection part is temperature pulling force sensor.
5. according to the structure sealant device for fast detecting aged sample described in claim 1-3 any one, it is characterised in that described to shine
Component is UV lamp.
6. according to the structure sealant device for fast detecting aged sample described in claim 1-3 any one, it is characterised in that described to shine
The outer cup of component is equipped with protective cover.
7. according to the structure sealant device for fast detecting aged sample described in claim 1-3 any one, it is characterised in that described first
Pull rod and second pull rod are coaxial.
8. according to the structure sealant device for fast detecting aged sample described in claim 1-3 any one, it is characterised in that the aging
The side wall of simulation box has multiple ventilation holes.
9. according to the structure sealant device for fast detecting aged sample described in claim 1-3 any one, it is characterised in that described to shine
The quantity of component is two, and two luminous components are connected on two opposite inner walls of the Aging simulation case, two
A luminous component is towards the interval between first fixture and second fixture.
10. a kind of structure sealant quick aging method, it is characterised in that include the following steps：
Structure sealant and two pieces of glass substrates are subjected to sample preparation by preassigned and form structure sealant test block, described in two
Glass substrate is located at the both sides of structure sealant, and the structure sealant test block is in I-shaped；
By the structure sealant test block as in Aging simulation case, and two of the structure sealant test block both ends
The glass substrate is clipped on the first fixture and the second fixture respectively；
Thermoregulator is controlled to carry out temperature to carrying out temperature adjustment to preset temperature, temperature detection part in the Aging simulation case
The real-time of degree detects, and the temperature in the Aging simulation case is 50 DEG C -150 DEG C；
Open luminous component, the wavelength of the light that the luminous component is sent is 200nm-400nm, the radiation of the luminous component
Intensity is 40W/m2-300W/m2；
The direction that the driving pulling force sensor movement of restrained stretching driving part and the first pull rod of drive are directed away from the second pull rod is moved
Dynamic, the tensile strength values of the stretching driving part be 0.07MPa-0.42MPa, and control is described to stretch driving part when default
In loading stress added into preset value, and after keeping stress to preset time, unload stress；
The stretching driving part repeatedly loading stress and unloading stress are controlled, takes out the structure sealant test block,
Detect the tensile strength of structure sealant in the structure sealant test block.
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| CN109556949A (en) * | 2018-12-29 | 2019-04-02 | 广州市白云化工实业有限公司 | Sealant manually accelerated ageing system and sealant manually quick aging method |
| CN109556950A (en) * | 2018-12-29 | 2019-04-02 | 广州市白云化工实业有限公司 | Sealant aging stretching device |
| CN109781556A (en) * | 2018-12-29 | 2019-05-21 | 广州市白云化工实业有限公司 | Sealant aging shear |
| CN114354446A (en) * | 2022-01-07 | 2022-04-15 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle window sealant selection evaluation method |
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