CN113484269A - Modified asphalt SBS content detection system based on infrared spectrometer - Google Patents
Modified asphalt SBS content detection system based on infrared spectrometer Download PDFInfo
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- CN113484269A CN113484269A CN202010703071.3A CN202010703071A CN113484269A CN 113484269 A CN113484269 A CN 113484269A CN 202010703071 A CN202010703071 A CN 202010703071A CN 113484269 A CN113484269 A CN 113484269A
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- infrared spectrometer
- modified asphalt
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- 239000010426 asphalt Substances 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000001228 spectrum Methods 0.000 claims abstract description 5
- 238000005070 sampling Methods 0.000 claims description 19
- 238000002835 absorbance Methods 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000004566 IR spectroscopy Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 238000002329 infrared spectrum Methods 0.000 abstract 4
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 28
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 28
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention provides a modified asphalt SBS content detection system based on an infrared spectrometer, and relates to the field of modified asphalt SBS content detection. The utility model provides a modified asphalt SBS content detecting system based on infrared spectrum appearance, includes infrared spectrum appearance, computer and touch-sensitive screen, the output of infrared spectrum appearance and the input electric connection of computer, the output of computer and the input electric connection of touch-sensitive screen, the upper surface of infrared spectrum appearance is provided with detection area, detection area is close to the one end fixed mounting of computer has spectrum appearance switch. According to the invention, by arranging the system for detecting the SBS content of the modified asphalt by the infrared spectrometer, a user can complete the detection of the SBS content by only using the single device, the operation is simple and convenient, the requirement on the specialty of the detected talent is not high, the computer calculation avoids the influence of manual operation on the result, the accuracy is ensured, the time is saved, and the system is suitable for the common people.
Description
Technical Field
The invention relates to the field of detection of SBS (styrene butadiene styrene) content of modified asphalt, in particular to a modified asphalt SBS content detection system based on an infrared spectrometer.
Background
The quality of the asphalt directly determines the engineering quality of the asphalt pavement, the problem of pavement damage caused by fluctuation or unqualified raw material quality is particularly prominent, and the proportion of a modifier SBS in the modified asphalt plays a very critical role in the quality of the asphalt.
And traditional modified asphalt SBS content detection, owing to lack supporting equipment, when detecting modified asphalt SBS's content, not only need be equipped with infrared spectrometer and PC, the measurement personnel still need use other software to carry out the auxiliary computation, and the cost is expensive moreover to the operation is complicated consuming time, and is high to detecting talent specialty requirement simultaneously, and manual operation also can produce very big influence to the result.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a modified asphalt SBS content detection system based on an infrared spectrometer.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a modified asphalt SBS content detecting system based on infrared spectroscopy, includes infrared spectroscopy, computer and touch-sensitive screen, the output of infrared spectroscopy and the input electric connection of computer, the output of computer and the input electric connection of touch-sensitive screen, the upper surface of infrared spectroscopy is provided with detection area, detection area is close to the one end fixed mounting of computer and has spectrum appearance switch, one side fixed mounting that spectrum appearance switch was kept away from in detection area has computer switch, the one end that the computer was kept away from in detection area has seted up the sampling area, the inside fixed mounting of sampling area has the sampling window.
Preferably, an interface panel is fixedly installed on one side, far away from the infrared spectrometer, of the computer, and four groups of interfaces are fixedly installed on the outer surface of the interface panel.
Preferably, the infrared spectrometer is electrically connected with a spectrometer power switch, and the computer is electrically connected with a computer power switch.
Preferably, the infrared spectrometer adopts an Agilent Cary FTIR small-sized intermediate infrared spectrometer, and the touch screen is a display screen.
Preferably, the computer is provided with an SBSTest software program, and the computer controls the infrared spectrometer to acquire the infrared spectrogram of the modified asphalt through the SBSTest software program.
Preferably, the test procedure is as follows:
s1, controlling an interferometer and a detector in the spectrometer by the computer, and performing Fourier transform processing on signals of the detector to obtain light intensity spectrogram data;
s2, firstly, measuring a sampling window without a sample to obtain measurement background spectrogram data, then smearing the sample to the sampling window, and measuring the spectrogram data of the measured sample;
s3, calculating the absorbance of the sample to be measured to each wavelength through a computer, transmitting the absorbance in the measuring wavelength range to a touch screen, and presenting an infrared spectrogram of the sample;
and S4, calculating the absorbance ratio of the SBS characteristic group absorption peak and the asphalt characteristic group absorption peak by the computer.
Compared with the prior art, the invention has the advantages and positive effects that,
according to the invention, by arranging the modified asphalt SBS content detection system of the infrared spectrometer, different types of SBS, road petroleum asphalt and SBS modified asphalt samples with different contents absorb different infrared radiation, the infrared spectrogram is different, then a standard curve is automatically made according to the absorbance of the samples, then the SBS content of the samples to be detected can be automatically calculated according to the absorbance ratio of the samples to be detected, and a detection report is generated.
Drawings
FIG. 1 is a schematic perspective view of a system for detecting SBS content in modified asphalt based on an infrared spectrometer;
FIG. 2 is a schematic diagram of a layered side view structure of a system for detecting SBS content in modified asphalt based on an infrared spectrometer;
FIG. 3 is a flow chart of the structure of a system for detecting SBS content of modified asphalt based on an infrared spectrometer;
FIG. 4 is a flow chart of a detection method of the system for detecting SBS content of modified asphalt based on an infrared spectrometer.
Illustration of the drawings:
1. an infrared spectrometer; 2. a computer; 3. a touch screen; 4. detecting a region; 5. an interface panel; 401. a spectrometer power switch; 402. a computer power switch; 403. sampling a region; 404. a sampling window.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
A modified asphalt SBS content detection system based on an infrared spectrometer comprises the following test procedures:
s1, controlling an interferometer and a detector in the spectrometer by the computer 2, and performing Fourier transform processing on signals of the detector to obtain light intensity spectrogram data;
s2, firstly, measuring the sampling window 404 without a sample to obtain measurement background spectrogram data, then smearing the sample to the sampling window 404, and measuring the spectrogram data of the measured sample;
s3, calculating the absorbance of the tested sample to each wavelength through the computer 2, transmitting the absorbance in the measuring wavelength range to the touch screen 3, and presenting the infrared spectrogram of the sample;
s4, calculating the absorbance ratio of the SBS characteristic group absorption peak and the asphalt characteristic group absorption peak by the computer 2, wherein the ratio is in direct proportion to the content of the component of the characteristic peak in the sample.
According to the invention, by arranging the modified asphalt SBS content detection system of the infrared spectrometer, different types of SBS, road petroleum asphalt and SBS modified asphalt samples with different contents absorb different infrared radiation, the infrared spectrogram is different, then a standard curve is automatically made according to the absorbance of the samples, then the SBS content of the samples to be detected can be automatically calculated according to the absorbance ratio of the samples to be detected, and a detection report is generated.
The modified asphalt SBS content detection system of the infrared spectrometer comprises the following specific use steps:
when SBS content of a sample to be detected needs to be detected, firstly, a sampling window without the sample is measured to obtain measurement background spectrogram data, then, the sample is smeared on the sampling window, the spectrogram data of the sample to be detected is measured, then, absorbance of the sample to be detected to each wavelength is calculated through the computer 2, the absorbance in the measurement wavelength range is transmitted to the touch screen 3, an infrared spectrogram of the sample is presented, then, the computer 2 is used for calculating the absorbance ratio of an SBS characteristic group absorption peak and an asphalt characteristic group absorption peak, the ratio is in direct proportion to the content of components to which the characteristic peaks belong in the sample, and finally, detection is completed.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes by using the technical contents disclosed in the above description to other fields, but any simple modification, equivalent change and change made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a modified asphalt SBS content detecting system based on infrared spectroscopy, includes infrared spectroscopy (1), computer (2) and touch-sensitive screen (3), its characterized in that: the output of infrared spectrometer (1) and the input electric connection of computer (2), the output of computer (2) and the input electric connection of touch-sensitive screen (3), the upper surface of infrared spectrometer (1) is provided with detection area (4), the one end fixed mounting that detection area (4) are close to computer (2) has spectrum appearance switch (401), one side fixed mounting that spectrum appearance switch (401) were kept away from in detection area (4) has computer switch (402), sampling area (403) have been seted up to the one end that computer (2) were kept away from in detection area (4), the inside fixed mounting of sampling area (403) has sampling window (404).
2. The system for detecting the SBS content of the modified asphalt based on the infrared spectrometer as claimed in claim 1, wherein: one side of the computer (2) far away from the infrared spectrometer (1) is fixedly provided with an interface panel (5), and the outer surface of the interface panel (5) is fixedly provided with four groups of interfaces.
3. The system for detecting the SBS content of the modified asphalt based on the infrared spectrometer as claimed in claim 1, wherein: the infrared spectrometer (1) is electrically connected with a spectrometer power switch (401), and the computer (2) is electrically connected with a computer power switch (402).
4. The system for detecting the SBS content of the modified asphalt based on the infrared spectrometer as claimed in claim 1, wherein: the infrared spectrometer (1) adopts an Agilent Cary 630FTIR small-sized intermediate infrared spectrometer, and the touch screen (3) is a display screen.
5. The system for detecting the SBS content of the modified asphalt based on the infrared spectrometer as claimed in claim 1, wherein: the computer (2) is provided with an SBSTest software program, and the computer (2) controls the infrared spectrometer (1) to collect the infrared spectrogram of the modified asphalt through the SBSTest software program.
6. The system for detecting the SBS content of the modified asphalt based on the infrared spectrometer as claimed in claim 1, wherein: the test flow is as follows:
s1, controlling an interferometer and a detector in the spectrometer by the computer, and performing Fourier transform processing on signals of the detector to obtain light intensity spectrogram data;
s2, firstly, measuring a sampling window without a sample to obtain measurement background spectrogram data, then smearing the sample to the sampling window, and measuring the spectrogram data of the measured sample;
s3, calculating the absorbance of the sample to be measured to each wavelength through a computer, transmitting the absorbance in the measuring wavelength range to a touch screen, and presenting an infrared spectrogram of the sample;
and S4, calculating the absorbance ratio of the SBS characteristic group absorption peak to the asphalt characteristic group absorption peak by the computer, wherein the ratio is in direct proportion to the content of the component of the characteristic peak in the sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010703071.3A CN113484269A (en) | 2020-07-18 | 2020-07-18 | Modified asphalt SBS content detection system based on infrared spectrometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010703071.3A CN113484269A (en) | 2020-07-18 | 2020-07-18 | Modified asphalt SBS content detection system based on infrared spectrometer |
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| CN113484269A true CN113484269A (en) | 2021-10-08 |
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| CN202010703071.3A Pending CN113484269A (en) | 2020-07-18 | 2020-07-18 | Modified asphalt SBS content detection system based on infrared spectrometer |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819950A (en) * | 2015-04-21 | 2015-08-05 | 苏州科技学院 | High-precision detection method for SBS (styrene butadiene styrene) contents in SBS modified asphalt |
| CN106841103A (en) * | 2017-03-01 | 2017-06-13 | 沈阳农业大学 | Near infrared spectrum detects fruit internal quality method and dedicated test system |
| CN107941739A (en) * | 2017-12-29 | 2018-04-20 | 交通运输部公路科学研究所 | A kind of SBS performance of modified bitumen index method for rapidly judging |
| CN208000269U (en) * | 2018-01-24 | 2018-10-23 | 北京农业质量标准与检测技术研究中心 | limited variable fruit quality analyzer |
| CN108872143A (en) * | 2018-05-22 | 2018-11-23 | 南京农业大学 | A kind of wheat infection head blight level detection method based near infrared spectrum |
| CN109406436A (en) * | 2018-10-30 | 2019-03-01 | 甘肃省交通规划勘察设计院股份有限公司 | Road asphalt based on infrared spectroscopy big data quickly detects method for early warning |
| CN209878589U (en) * | 2019-03-18 | 2019-12-31 | 广东冠粤路桥有限公司 | Asphalt quality detection system |
| US20200209149A1 (en) * | 2018-12-31 | 2020-07-02 | Instrotek, Inc. | Systems and Methods for Quality Testing of Asphalt |
-
2020
- 2020-07-18 CN CN202010703071.3A patent/CN113484269A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819950A (en) * | 2015-04-21 | 2015-08-05 | 苏州科技学院 | High-precision detection method for SBS (styrene butadiene styrene) contents in SBS modified asphalt |
| CN106841103A (en) * | 2017-03-01 | 2017-06-13 | 沈阳农业大学 | Near infrared spectrum detects fruit internal quality method and dedicated test system |
| CN107941739A (en) * | 2017-12-29 | 2018-04-20 | 交通运输部公路科学研究所 | A kind of SBS performance of modified bitumen index method for rapidly judging |
| CN208000269U (en) * | 2018-01-24 | 2018-10-23 | 北京农业质量标准与检测技术研究中心 | limited variable fruit quality analyzer |
| CN108872143A (en) * | 2018-05-22 | 2018-11-23 | 南京农业大学 | A kind of wheat infection head blight level detection method based near infrared spectrum |
| CN109406436A (en) * | 2018-10-30 | 2019-03-01 | 甘肃省交通规划勘察设计院股份有限公司 | Road asphalt based on infrared spectroscopy big data quickly detects method for early warning |
| US20200209149A1 (en) * | 2018-12-31 | 2020-07-02 | Instrotek, Inc. | Systems and Methods for Quality Testing of Asphalt |
| CN209878589U (en) * | 2019-03-18 | 2019-12-31 | 广东冠粤路桥有限公司 | Asphalt quality detection system |
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Application publication date: 20211008 |