CN106353246B - A kind of multi-functional senile experiment device and its experimental method of pitch automatic sampling - Google Patents
A kind of multi-functional senile experiment device and its experimental method of pitch automatic sampling Download PDFInfo
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- CN106353246B CN106353246B CN201610922005.9A CN201610922005A CN106353246B CN 106353246 B CN106353246 B CN 106353246B CN 201610922005 A CN201610922005 A CN 201610922005A CN 106353246 B CN106353246 B CN 106353246B
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- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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Abstract
The present invention relates to the multi-functional senile experiment devices and its experimental method of a kind of pitch automatic sampling.Experimental provision includes intelligent digital control cabinet, operating room, automatic sampling system, sample storage room, heating control system, rotary work bench control system, air control system for air, ultraviolet lamp control system；Intelligent digital control cabinet can carry out experiment parameter setting to heating control system, rotary work bench control system, automatic sampling control system, air control system for air, ultraviolet lamp control system.Compared with prior art, the sampling of different periods during asphalt with ultraviolet aging and thin film oven aging may be implemented in experimental provision of the present invention, laboratory sample in different time periods is provided for ageing of asphalt mechanism study, the device can be tested using existing test method completely；Experimental implementation process is simple, and setting the relevant parameter device can be automatically brought into operation, and has effectively saved manpower, has improved conventional efficient.
Description
Technical field
The invention belongs to ageing of asphalt detection technique fields, it particularly relates to arrive a kind of more function of pitch automatic sampling
It can senile experiment device and its experimental method.
Background technique
China's highway all uses bituminous pavement, bituminous pavement good, easy-maintaining, low noise with road-ability mostly
And the advantages that good pavement performance.SBS modified pitch is due to high temperature resistant rutting resistance, low-temperature resistance cracking ability, elasticity
With road surface anti-fatigue performance preferably etc. reasons, by large-scale application in China Higher grade highway.But SBS Modified Bitumen Pavement is still
There is inevitable problem --- aging.With the growth of pavement usage time, surface layer ageing of asphalt, there is low temperature and opens in road surface
Split, cohesive force reduce, brittleness increase, durability be deteriorated the problems such as, seriously affected Pavement Condition, shortened road occupation
Service life, and injure traffic safety.
Ageing of asphalt refer to pitch during storage, construction and pavement usage due to long-time exposure in air, by
The objects such as volatilization, hydrogenation, oxidation, the association occurred under to the collective effect of the influence of the extraneous factors such as light, oxygen, heat and other factors
Physicochemical effect, causes pitch inner molecular structure and chemical constituent to change, and then promote pitch physicochemical properties bad
The process of change.
Since bituminous pavement carries out heat to its mixture and mixes processes, the asphalt binder such as pave certain journey can occur building
The short ageing of degree, but have been provided with certain technological means at present and can reduce or even avoid the short ageing of work progress,
However long-term aging still results in road surface disaster and constantly occurs in use process, therefore needs more about bituminous pavement long-term ageing
More research.However at present about the research of ageing of asphalt be based only on current specification defined film heating senile experiment and
Rotating thin film heat ageing experiment research, and both research can only study predetermined operation regulation after pitch after aging
The decaying and variation of performance, cannot detect the variation of asphalt component and internal structure performance in ageing of asphalt process.And pitch
Real-time ageing process has great significance to the research anti-aging mechanism of pitch.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of multi-functional senile experiment device of pitch automatic sampling and
The real time sample during ageing of asphalt may be implemented in its experimental method, the device.
A kind of multi-functional senile experiment device of pitch automatic sampling of the present invention, the experimental provision is by operating room
Isolation board 9 divides for upper layer and lower layer, and upper layer is operating room 2, and lower layer is sample storage room 4；Intelligent digital control cabinet 1 is located at operating room
2 inside lower right side；Sample storage room 4 is the cube being made of sample storage room door 401 and sample storage room thermal-insulating body 402
Space；4 upper left side of sample storage room is equipped with outtake tube 403, for inner air to be discharged；Sample pipe support 404 is fixed on work
Above room isolation board 9；Sample cell 405 is placed on sample pipe support 404 according to program setting；Automatic sampling system 3 includes automatic
Sampling operation arm 301 and sampler 302；The state in a vertical shape of automatic sampling motion arm 301, lower end connect sampler 302；Automatically
Sampling operation arm 301 is located at 4 bosom of sample storage room, can be realized by the sample tap 10 among operating room's isolation board 9
It is sampled on automatic sampling sample-containing dish 606；Automatic sampling motion arm 301 is real by the XYZ motion arm guide rail 303 of intersection normal thereto
Existing three-dimensional direction moving；303 both ends of XYZ motion arm guide rail are fixed on sample storage room thermal-insulating body by guide rails fixing support 310
On 402 two sidewalls；XYZ motion arm guide rail 303 is connected with the XYZ manipulator control case 304 being set to above operating room's isolation board 9
It connects；Heating control system 5 includes protective plate 504 and the temperature controller 503 for being located at 2 bottom of operating room；Temperature controller 503 connects
Connect heater 501 and heat sensor 502；504 section of protective plate in setting П shape, two sidewalls upper semisection in operating room 2 and on
Wall setting；Heater 501 is located at protective plate 504 and sample is deposited between 2 inner wall of operating room, and section is also in П shape；Heater 501
Heat is diffused into inside operating room 2 by the heat release hole of protective plate 504；Rotary work bench control system 6 includes being located at operating room 2
Rotation motor 601 among internal bottom side；Rotation motor 601 drives the vertical axis 602 of top to rotate；Vertical axis 602 is in middle section
It is fixed with load sample platform firm banking 603；The rotary work load sample platform 604 that load sample platform firm banking 603 can drive it to support rotates；
Vertical axis 602 is equipped with sampling bench firm banking 605 on top；The automatic sampling that sampling bench firm banking 605 can drive it to support
Sample-containing dish 606 rotates；Rotary work load sample platform 604 is for being placed with film senile experiment sample-containing dish 608；Scavenger fan 701 is set
The lower right side in operating room 2, on the right side of ventilation duct pass-out operating room 2 it is outer and be equipped with air filter 701；Scavenger fan 701
The ventilation duct in left side is successively arranged air preheater 706 and temperature detector 705 on horizontal segment, and the ventilation duct is upward at turning
Vertical section afterwards is equipped with air flow meter 703；Ventilation duct connects vertical rigid pipe in end, which is being higher by automatically
Sampling sample-containing dish 606 and 608 a distance position of film senile experiment sample-containing dish are respectively equipped with lateral air nozzle 702；It is empty
Air preheater 706 and temperature detector 705 are separately connected air preheater temperature controller 707 and air flow controller 708；
Ultraviolet lamp tube 801 is fixed on 9 lower section of operating room's isolation board by ultraviolet lamp lamp holder 803；Intelligent digital control cabinet 1 is connected and is controlled
XYZ manipulator control case 304, temperature controller 503, rotational speed governor 607, air preheater temperature controller 707, air stream
Amount controller 708 and ultraviolet lamp light intensity controls 802.
A kind of multi-functional senile experiment device of pitch automatic sampling of the present invention, the operating room 2 is by heat-insulating shield
201 separate, and are divided into the upper and lower；Operating room's door 202 is equipped on the left of upper layer；Have on operating room's cabinet 203 of lower layer and laterally dissipates
Hot mouth 204.
A kind of multi-functional senile experiment device of pitch automatic sampling of the present invention, the upper layer of the operating room 2 are put
Heater 501, heat sensor 502, rotary work load sample platform 603, film senile experiment sample-containing dish 605, automatic sampling is equipped with to contain
Sample ware 606, air nozzle 702, ultraviolet lamp tube 801 and ultraviolet lamp lamp holder 803；The lower layer of operating room 2 is placed with intelligent digital control
Case 1 processed, temperature controller 503, rotation motor 601,602 scavenger fan 701 of rotational speed governor, air flow meter 703, temperature inspection
Survey device 705, air preheater 706, air preheater temperature controller 707, air flow controller 708, ultraviolet lamp light intensity control
Device 802 processed.
A kind of multi-functional senile experiment device of pitch automatic sampling of the present invention, it is described be automatically brought into operation arm 301 can
To realize the movement of XYZ three-dimensional, mobile accuracy is higher than 1mm；305 direction displacement distance scope of X-axis is 0~700mm, Y-axis
306 direction displacement distance scopes are 0~700mm, and 307 direction displacement distance scope of Z axis is 0~500mm.
A kind of multi-functional senile experiment device of pitch automatic sampling of the present invention, 307 bottom of Z axis are equipped with
It is capable of fixing the fixture 308 of the outer tube of sampler, sampler piston 309 is promoted and extracted to rotate screw thread, promotes progress high
In 0.5mm.
A kind of multi-functional senile experiment device of pitch automatic sampling of the present invention, the heater 501 work temperature
Spending range is 30~200 DEG C, and heating rate range is 1~10 DEG C/min, and temperature-controlled precision is higher than 0.5 DEG C.
A kind of multi-functional senile experiment device of pitch automatic sampling of the present invention, the rotary work load sample platform
604 rotation speed is 1~10r/min；608 internal diameter of film senile experiment sample-containing dish is 140mm, outer diameter 141mm, and inside is deep
Degree is 10mm；606 internal diameter of automatic sampling sample-containing dish is 140mm, outer diameter 141mm, internal depth 10mm；Rotary work load sample
603 diameter of platform is 500~700mm, with a thickness of 10mm.
A kind of multi-functional senile experiment device of pitch automatic sampling of the present invention, the air control system for air 7
Temperature control range is 30~200 DEG C, and heating rate range is 1~10 DEG C/min, and temperature-controlled precision is higher than 0.5 DEG C.
A kind of multi-functional senile experiment device of pitch automatic sampling of the present invention, the ultraviolet lamp lamp holder 803 are adopted
With refractory ceramics lamp holder；The ultraviolet lamp tube 801 uses high-purity quartz glass material, and power can between 0~1000w
It adjusts, rated operational voltage 220V, fluorescent tube length is 600mm, and tube diameter is 20~30mm.
The experimental method of the multi-functional senile experiment device of pitch automatic sampling according to the present invention, the experiment side
Method specific steps are as follows:
1) after film senile experiment sample-containing dish 605 and automatic sampling sample-containing dish 606 being cleaned drying, it is real to weigh film aging
Test 605 mass of sample-containing dish, respectively m01、m02、m03、m04, it is accurate to 1mg；
2) according to JTG-E20-2011 preparing experiment sample, it is real to be added separately to the film aging that 4 have weighed quality
The sample tested sample-containing dish 605, and weigh 50g or so is placed in automatic sampling sample-containing dish 606, is then put into sample-containing dish accordingly
Position shuts operating room's door 202；
3) it sets relevant parameter in intelligent control box 1, including ultraviolet ray intensity, temperature programming program, rotation speed, takes
Sample time interval, air themperature, air preheating temperature, air mass flow, temperature programming to assigned temperature；
4) number of sample cell 405 is set in 1 operation interface of intelligent control box, places sample on sample storage room
Pipe 405 is simultaneously arranged according to the numeral order number consecutively of setting；
5) bring into operation program, after experiment, weighs film senile experiment sample-containing dish 605 and sample gross mass,
And aged samples and automatic sampling sample are collected, sample film is calculated by the mass change of film senile experiment sample-containing dish 605
Heating quality changes LT, and test out using three norms other performance changes of aged samples；
6) sample of automatic sampling can be used for the micro-analysis means such as infrared, DSC, analyze in ageing process, when different
Between the sample composition of section and the variation of chemical property.
Compared with prior art, the multi-functional senile experiment device of pitch automatic sampling of the present invention may be implemented to drip
The sampling of different periods during green ultraviolet ageing and thin film oven aging provides different time sections for ageing of asphalt mechanism study
Laboratory sample, the device can be tested using existing test method completely；Experimental implementation process is simple, if
Having set the relevant parameter device can be automatically brought into operation, and effectively saved manpower, improved conventional efficient.
Detailed description of the invention
Fig. 1 is experimental provision outside drawing；Fig. 2 is experimental provision left view；Fig. 3 is experimental provision front view；Fig. 4 is rotation
Workstation control system front view；Fig. 5 is rotary work bench control system top view；Fig. 6 is automatic sampling system top view；Figure
7 be automatic sampling system front view；Fig. 8 is Autosampler constitutional diagram；Fig. 9 is fixture front view；Figure 10 is sampler piston
Figure；Figure 11 is sampler outer tube front view；Figure 12 is sampler outer tube left view；Figure 13 is air control system for air front view.
1- intelligent digital control cabinet, the operating room 2-, 3- automatic sampling system, 4- sample storage room, 5- heating control system,
6- rotary work bench control system, 7- air control system for air, the ultraviolet lamp control system of 8-, 9- isolation board, 10- sample tap, 201-
Heat-insulating shield, the operating room 202- door, the operating room 203- cabinet, 204- lateral heat dissipation mouth, 301- automatic sampling motion arm, 302- sampling
Device, 303-XYZ motion arm guide rail, 304-XYZ manipulator control case, 305-X axis, 306-Y axis, 307-Z axis, 308- fixture,
309- sampler piston, 310- guide rails fixing support, 401- sample storage room door, 402- sample storage room thermal-insulating body, 403- go out
Airway, 404- sample pipe support, 405- sample cell, 501- heater, 502- heat sensor, 503- temperature controller, 504- are anti-
Backplate, 601- rotation motor, 602- vertical axis, 603- load sample platform firm banking, 604- rotary work load sample platform, 605- sampling bench
Firm banking, 606- automatic sampling sample-containing dish, 607- rotational speed governor, 608- film senile experiment sample-containing dish, 701- ventilation wind
Fan, 702- air nozzle, 703- air flow meter, 704- air filter, 705- temperature detector, 706- air preheater,
The ultraviolet intensity of light control of 707- air preheater temperature controller, 708- air flow controller, 801- ultraviolet lamp tube, 802-
Device, 803- ultraviolet lamp lamp holder.
Specific embodiment
Below with reference to specific embodiment to the multi-functional senile experiment device and reality of pitch automatic sampling of the present invention
Proved recipe method is described further, but the scope of protection of the present invention is not limited thereto.
Embodiment 1
A kind of multi-functional senile experiment device of pitch automatic sampling, is divided by operating room's isolation board 9 for upper layer and lower layer, upper layer
For operating room 2, lower layer is sample storage room 4；Intelligent digital control cabinet 1 is located at 2 inside lower right side of operating room；Sample storage room 4
It is the cubic space being made of sample storage room door 401 and sample storage room thermal-insulating body 402；4 upper left side of sample storage room
Equipped with outtake tube 403, for inner air to be discharged；Sample pipe support 404 is fixed on above operating room's isolation board 9；Sample cell 405
It is placed on sample pipe support 404 according to program setting；Automatic sampling system 3 includes automatic sampling motion arm 301 and sampler
302；The state in a vertical shape of automatic sampling motion arm 301, lower end connect sampler 302；Automatic sampling motion arm 301 is located at sample
4 bosom of locker room can be taken on automatic sampling sample-containing dish 606 by the sample tap 10 among operating room's isolation board 9, realization
Sample；Automatic sampling motion arm 301 realizes three-dimensional direction moving by the XYZ motion arm guide rail 303 of intersection normal thereto；XYZ behaviour
Make 303 both ends of arm guide rail to be fixed on 402 two sidewalls of sample storage room thermal-insulating body by guide rails fixing support 310；XYZ motion arm
Guide rail 303 is connected with the XYZ manipulator control case 304 being set to above operating room's isolation board 9；Heating control system 5 includes anti-
Backplate 504 and the temperature controller 503 for being located at 2 bottom of operating room；Temperature controller 503 connects heater 501 and heat sensor
502；In П shape is set, the two sidewalls upper semisection and upper wall in operating room 2 are arranged in protective plate 504 section；Heater 501 is located at anti-
Backplate 504 and sample are deposited between 2 inner wall of operating room, and section is also in П shape；The heat of heater 501 is dissipated by protective plate 504
Hot hole is diffused into inside operating room 2；Rotary work bench control system 6 includes the rotation horse among 2 inside bottom side of operating room
Up to 601；Rotation motor 601 drives the vertical axis 602 of top to rotate；Vertical axis 602 is fixed with load sample platform firm banking in middle section
603；The rotary work load sample platform 604 that load sample platform firm banking 603 can drive it to support rotates；Vertical axis 602 is equipped on top
Sampling bench firm banking 605；The automatic sampling sample-containing dish 606 that sampling bench firm banking 605 can drive it to support rotates；Rotate work
Make load sample platform 604 for being placed with film senile experiment sample-containing dish 608；Scavenger fan 701 is located at lower right side in operating room 2,
The ventilation duct pass-out operating room 2 on right side is outer and is equipped with air filter 701；The ventilation duct in 701 left side of scavenger fan is in horizontal segment
On be successively arranged air preheater 706 and temperature detector 705, the ventilation duct in the vertical section after turning is upward be equipped with air
Flowmeter 703；Ventilation duct connects vertical rigid pipe in end, which is being higher by automatic sampling sample-containing dish 606 and film
608 a distance position of senile experiment sample-containing dish is respectively equipped with lateral air nozzle 702；Air preheater 706 and temperature inspection
It surveys device 705 and is separately connected air preheater temperature controller 707 and air flow controller 708；Ultraviolet lamp tube 801 passes through ultraviolet
Lamp lamp holder 803 is fixed on 9 lower section of operating room's isolation board；Intelligent digital control cabinet 1 connect and control XYZ manipulator control case 304,
Temperature controller 503, rotational speed governor 607, air preheater temperature controller 707, air flow controller 708 and ultraviolet lamp
Light intensity controls 802.
The operating room 2 is separated by heat-insulating shield 201, is divided into the upper and lower；Operating room's door 202 is equipped on the left of upper layer；Under
There is lateral heat dissipation mouth 204 on operating room's cabinet 203 of layer.Place having heaters 501, heat sensor in the upper layer of the operating room 2
502, rotary work load sample platform 603, film senile experiment sample-containing dish 605, automatic sampling sample-containing dish 606, air nozzle 702, purple
Outer fluorescent tube 801 and ultraviolet lamp lamp holder 803；The lower layer of operating room 2 is placed with intelligent digital control cabinet 1, temperature controller 503, rotation
Turn motor 601,602 scavenger fan 701 of rotational speed governor, air flow meter 703, temperature detector 705, air preheater 706,
Air preheater temperature controller 707, air flow controller 708, ultraviolet lamp light intensity control 802.It is described to be automatically brought into operation arm
301 may be implemented the movement of XYZ three-dimensional, and mobile accuracy is higher than 1mm；305 direction displacement distance scope of X-axis be 0~
700mm, 306 direction displacement distance scope of Y-axis are 0~700mm, and 307 direction displacement distance scope of Z axis is 0~500mm.The Z
307 bottom of axis is equipped with the fixture 308 for being capable of fixing the outer tube of sampler, sampler piston 309 promote to rotate screw thread and
It extracts, progress is promoted to be higher than 0.5mm.501 operating temperature range of heater be 30~200 DEG C, heating rate range be 1~
10 DEG C/min, temperature-controlled precision is higher than 0.5 DEG C.The rotation speed of the rotary work load sample platform 604 is 1~10r/min；Film is old
Changing experiment 608 internal diameter of sample-containing dish is 140mm, outer diameter 141mm, internal depth 10mm；606 internal diameter of automatic sampling sample-containing dish is
140mm, outer diameter 141mm, internal depth 10mm；603 diameter of rotary work load sample platform is 500~700mm, with a thickness of
10mm.The temperature control range of the air control system for air 7 is 30~200 DEG C, and heating rate range is 1~10 DEG C/min, temperature control essence
Degree is higher than 0.5 DEG C.The ultraviolet lamp lamp holder 803 uses refractory ceramics lamp holder；The ultraviolet lamp tube 801 uses high-purity quartz
Glass material, power can be adjustable between 0~1000w, rated operational voltage 220V, and fluorescent tube length is 600mm, and tube diameter is
20~30mm.
Automatic sampling system 3 includes automatic sampling motion arm 301, sampler 302, XYZ motion arm guide rail 303, XYZ operation
Arm control cabinet 304, X-axis 305, Y-axis 306, Z axis 307, fixture 308, sampler piston 309 and guide rails fixing support 310；Heating control
System 5 processed includes heater 501, heat sensor 502, temperature controller 503, protective plate 504；Rotary work bench control system 6
Including rotation motor 601, vertical axis 602, load sample platform firm banking 603, rotary work load sample platform 604, sampling bench firm banking
605, automatic sampling sample-containing dish 606, rotational speed governor 607 and film senile experiment sample-containing dish 608；Air control system for air 7 include-
Scavenger fan 701, air nozzle 702, air flow meter 703, air filter 704, temperature detector 705, air preheater
706, air preheater temperature controller 707 and air flow controller 708；Ultraviolet lamp control system 8 includes ultraviolet lamp tube
801, ultraviolet lamp light intensity controls 802 and ultraviolet lamp lamp holder 803.Intelligent digital control cabinet 1 is located at 2 inner lower of operating room,
Rotary work bench control system 6 is located at 2 bosom of operating room, and air control system for air 7 is located at 2 inner right side of operating room, ultraviolet
Lamp control system 8 is located at 2 upper inside of operating room, and sample storage room 4 is located at 9 top of operating room's isolation board, automatic sampling system 3
Sample tap 10 positioned at 4 bosom of sample storage room, among operating room's isolation board 9 by passing through for automatic sampling system 3；Institute
The intelligent digital control cabinet 1 stated can to heating control system 5, rotary work bench control system 6, automatic sampling control system 3,
Air control system for air 7, ultraviolet lamp control system 8 carry out experiment parameter setting；The automatic sampling system 3 utilizes automatic sampling
Motion arm 301 and sampler 302 are sampled on automatic sampling sample-containing dish 606 by sample tap 10, and automatic sampling motion arm 301 is logical
It crosses XYZ motion arm guide rail 303 and realizes that three-dimensional direction moving, intelligent digital control cabinet 1 are controlled by XYZ manipulator control case 304
The movement and operation of XYZ motion arm guide rail 303, XYZ motion arm guide rail 303 are fixed on sample storage by guide rails fixing support 310
On room thermal-insulating body 402；The sample storage room 4 is made of sample storage room door 401 and sample storage room thermal-insulating body 402
Inner air is discharged by outtake tube 403 in one cube structure, and sample pipe support 404 is fixed on above operating room's isolation board, sample
Quality control 405 is placed on sample pipe support 404 according to program setting；The heating control system 5 is detected by heat sensor 502
The heat of real time temperature in operating room 2, heater 501 is diffused into operating room 2 by the heat release hole of protective plate 504, intelligence
Digital display control cabinet 1 controls the heating speed of heater 501 by temperature controller 503；The rotary work bench control system 6
Vertical axis 602 is driven to rotate by rotation motor 601, vertical axis 602 drives rotary work load sample by load sample platform firm banking 603
Platform 604 rotates, and vertical axis 602 drives automatic sampling sample-containing dish 606 to rotate by sampling bench firm banking 605, intelligent digital control
Case 1 processed controls the rotation speed of rotary work load sample platform 604 by rotational speed governor 607, and film senile experiment sample-containing dish 608 is put
It is placed on rotary work load sample platform 604 and rotates therewith；The air control system for air 7 is pumped outer by scavenger fan 701
Boundary's air, and filtered the air using air filter 701, air is heated by air preheater 706, finally
It will be exported through air nozzle 702, intelligent digital control cabinet 1 passes through air flow meter 703, temperature detector 705, air preheater
Temperature controller 707 and air flow controller 708 control the temperature and flow velocity of air；The ultraviolet lamp controls system
Ultraviolet lamp tube 801 is fixed on 9 lower section of operating room's isolation board by ultraviolet lamp lamp holder 803 by system 8, and intelligent digital control cabinet 1 passes through purple
Outer intensity of light controller 802 controls ultraviolet lamp light intensity.
The experimental method of the multi-functional senile experiment device of pitch automatic sampling according to the present invention, the experiment side
Method specific steps are as follows:
1) after film senile experiment sample-containing dish 605 and automatic sampling sample-containing dish 606 being cleaned drying, it is real to weigh film aging
Test 605 mass of sample-containing dish, respectively m01、m02、m03、m04, it is accurate to 1mg；
2) according to JTG-E20-2011 preparing experiment sample, it is real to be added separately to the film aging that 4 have weighed quality
The sample tested sample-containing dish 605, and weigh 50g or so is placed in automatic sampling sample-containing dish 606, is then put into sample-containing dish accordingly
Position shuts operating room's door 202；
3) it sets relevant parameter in intelligent control box 1, including ultraviolet ray intensity, temperature programming program, rotation speed, takes
Sample time interval, air themperature, air preheating temperature, air mass flow, temperature programming to assigned temperature；
4) number of sample cell 405 is set in 1 operation interface of intelligent control box, places sample on sample storage room
Pipe 405 is simultaneously arranged according to the numeral order number consecutively of setting；
5) bring into operation program, after experiment, weighs film senile experiment sample-containing dish 605 and sample gross mass,
And aged samples and automatic sampling sample are collected, sample film is calculated by the mass change of film senile experiment sample-containing dish 605
Heating quality changes LT, and test out using three norms other performance changes of aged samples；
6) sample of automatic sampling can be used for the micro-analysis means such as infrared, DSC, analyze in ageing process, when different
Between the sample composition of section and the variation of chemical property.
Claims (9)
1. a kind of multi-functional senile experiment device of pitch automatic sampling, which is characterized in that the experimental provision by operating room every
It is divided into upper layer and lower layer from plate (9), lower layer is operating room (2), and upper layer is sample storage room (4)；Intelligent digital control cabinet (1) is located at
The internal lower right side in operating room (2)；Sample storage room (4) is by sample storage room door (401) and sample storage room thermal-insulating body
(402) cubic space constituted；Sample storage room (4) upper left side is equipped with outtake tube (403), for inner air to be discharged；
Sample pipe support (404) is fixed on operating room's isolation board (9) above；Sample cell (405) is placed in sample pipe support according to program setting
(404) on；Automatic sampling system (3) includes automatic sampling motion arm (301) and sampler (302)；Automatic sampling motion arm
(301) state in a vertical shape, lower end connect sampler (302)；Automatic sampling motion arm (301) is located in sample storage room (4)
Among portion, it can be sampled on automatic sampling sample-containing dish (606) by the sample tap (10) among operating room's isolation board (9), realization；
Automatic sampling motion arm (301) realizes three-dimensional direction moving by the XYZ motion arm guide rail (303) of intersection normal thereto；XYZ behaviour
Make arm guide rail (303) both ends to be fixed on sample storage room thermal-insulating body (402) two sidewalls by guide rails fixing support (310)；XYZ
Motion arm guide rail (303) is connected with the XYZ manipulator control case (304) of operating room's isolation board (9) above is set to；Computer heating control
System (5) includes protective plate (504) and the temperature controller (503) for being located at operating room (2) bottom；Temperature controller (503) is even
Connect heater (501) and heat sensor (502)；Protective plate (504) section is in set П shape, along the two sidewalls in operating room (2)
Half section and upper wall setting；Heater (501) is located between protective plate (504) and operating room (2) inner wall, and section is also in П shape；Add
The heat of hot device (501) is diffused into operating room (2) inside by the heat release hole of protective plate (504)；Rotary work bench control system
It (6) include the rotation motor (601) being located among operating room (2) internal bottom side；Rotation motor (601) drives the vertical axis of top
(602) it rotates；Vertical axis (602) is fixed with load sample platform firm banking (603) in middle section；Load sample platform firm banking (603) energy band
Move rotary work load sample platform (604) rotation of its support；Vertical axis (602) is equipped with sampling bench firm banking (605) on top；It takes
Automatic sampling sample-containing dish (606) rotation that sample platform firm banking (605) can drive it to support；Rotary work load sample platform (604) is used
In being placed with film senile experiment sample-containing dish (608)；Scavenger fan (701) is located at operating room (2) interior lower right side, on the right side of it is logical
Air hose pass-out operating room (2) is outside and equipped with air filter (704)；Ventilation duct on the left of scavenger fan (701) is on horizontal segment
It is successively arranged air preheater (706) and temperature detector (705), which is equipped with sky in the vertical section after turning is upward
Air-flow meter (703)；Ventilation duct connects vertical rigid pipe in end, which is being higher by automatic sampling sample-containing dish (606)
Lateral air nozzle (702) are respectively equipped with film senile experiment sample-containing dish (608) a distance position；Air preheater
(706) and temperature detector (705) is separately connected air preheater temperature controller (707) and air flow controller (708)；
Ultraviolet lamp tube (801) is fixed below operating room's isolation board (9) by ultraviolet lamp lamp holder (803)；The intelligent digital control cabinet
(1) it connects and controls XYZ manipulator control case (304), temperature controller (503), rotational speed governor (607), air preheater
Temperature controller (707), air flow controller (708) and ultraviolet lamp light intensity controls (802).
2. the multi-functional senile experiment device of pitch automatic sampling according to claim 1, which is characterized in that the work
Room (2) is separated by heat-insulating shield (201), is divided into the upper and lower；Operating room's door (202) is equipped on the left of upper layer；The operating room of lower layer
There are lateral heat dissipation mouth (204) on cabinet (203).
3. the multi-functional senile experiment device of pitch automatic sampling according to claim 2, which is characterized in that the work
Place having heaters (501), heat sensor (502), rotary work load sample platform (604), film senile experiment Sheng in the upper layer of room (2)
Sample ware (608), automatic sampling sample-containing dish (606), air nozzle (702), ultraviolet lamp tube (801) and ultraviolet lamp lamp holder (803)；Work
The lower layer for making room (2) is placed with intelligent digital control cabinet (1), temperature controller (503), rotation motor (601), rotational speed governor
(607), scavenger fan (701), air flow meter (703), temperature detector (705), air preheater (706), air preheat
Device temperature controller (707), air flow controller (708), ultraviolet lamp light intensity control (802).
4. the multi-functional senile experiment device of pitch automatic sampling according to claim 3, which is characterized in that described automatic
The movement of XYZ three-dimensional may be implemented in sampling operation arm (301), and mobile accuracy is higher than 1mm；X-axis (305) direction moving distance
Range is 0~700mm, and Y-axis (306) direction displacement distance scope is 0~700mm, and Z axis (307) direction displacement distance scope is 0
~500mm.
5. the multi-functional senile experiment device of pitch automatic sampling according to claim 4, which is characterized in that the Z axis
(307) bottom is equipped with the fixture (308) for being capable of fixing the outer tube of sampler, and sampler piston (309) is pushed away with rotating screw thread
Into and extract, promote progress be higher than 0.5mm.
6. the multi-functional senile experiment device of pitch automatic sampling according to claim 5, which is characterized in that the heating
Device (501) operating temperature range is 30~200 DEG C, and heating rate range is 1~10 DEG C/min, and temperature-controlled precision is higher than 0.5 DEG C.
7. the multi-functional senile experiment device of pitch automatic sampling according to claim 6, which is characterized in that the rotation
The rotation speed of work load sample platform (604) is 1~10r/min；Film senile experiment sample-containing dish (608) internal diameter is 140mm, outer diameter
For 141mm, internal depth 10mm；Automatic sampling sample-containing dish (606) internal diameter is 140mm, outer diameter 141mm, and internal depth is
10mm；Rotary work load sample platform (604) diameter is 500~700mm, with a thickness of 10mm.
8. the multi-functional senile experiment device of pitch automatic sampling according to claim 7, which is characterized in that described ultraviolet
Lamp lamp holder (803) uses refractory ceramics lamp holder；The ultraviolet lamp tube (801) uses high-purity quartz glass material, and power is 0
Adjustable between~1000w, rated operational voltage 220V, fluorescent tube length is 600mm, and tube diameter is 20~30mm.
9. the experimental method of the multi-functional senile experiment device of pitch automatic sampling according to claim 8, feature exist
In the experimental method specific steps are as follows:
1) after film senile experiment sample-containing dish (608) and automatic sampling sample-containing dish (606) being cleaned drying, it is real to weigh film aging
Test sample-containing dish (608) quality, respectively m01、m02、m03、m04, it is accurate to 1mg；
2) it according to JTG-E20-2011 preparing experiment sample, is added separately to the film senile experiment that 4 have weighed quality and contains
Sample ware (608), and the sample for weighing 50g or so is placed in automatic sampling sample-containing dish (606), is then put into sample-containing dish accordingly
Position shuts operating room's door (202)；
3) set relevant parameter in the intelligent digital control cabinet (1), including ultraviolet ray intensity, temperature programming program, rotation speed,
Sample interval, air themperature, air preheating temperature, air mass flow, temperature programming to assigned temperature；
4) sample cell (405) number is set in intelligent digital control cabinet (1) operation interface, is placed on sample storage room
Sample cell (405) is simultaneously arranged according to the numeral order number consecutively of setting；
5) bring into operation program, after experiment, weighs film senile experiment sample-containing dish (608) and sample gross mass, and
Aged samples and automatic sampling sample are collected, sample film is calculated by the mass change of film senile experiment sample-containing dish (608)
Heating quality changes LT, and test out using three norms other performance changes of aged samples；
6) sample of automatic sampling is used for infrared, DSC micro-analysis means, analyzes in ageing process, sample in different time periods
The variation of product ingredient and chemical property.
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| CN107664652A (en) * | 2017-08-01 | 2018-02-06 | 哈尔滨哈普电气技术有限责任公司 | A kind of dynamic aging tester device and method of work |
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| CN112958019B (en) * | 2020-12-25 | 2022-12-13 | 杭州中赢生物医疗科技有限公司 | Sampling device based on biological experiment equipment and use method thereof |
| CN115406823A (en) * | 2022-10-14 | 2022-11-29 | 福州大学 | Asphalt aging and layer-by-layer peeling integrated test device and working method thereof |
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