CN206788034U - Soil organic carbon rapid detection system based on near-infrared spectrum technique - Google Patents
Soil organic carbon rapid detection system based on near-infrared spectrum technique Download PDFInfo
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- CN206788034U CN206788034U CN201720391929.0U CN201720391929U CN206788034U CN 206788034 U CN206788034 U CN 206788034U CN 201720391929 U CN201720391929 U CN 201720391929U CN 206788034 U CN206788034 U CN 206788034U
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- China
- Prior art keywords
- optical fiber
- organic carbon
- infrared spectrum
- light source
- soil organic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002689 soil Substances 0.000 title claims abstract description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000002329 infrared spectrum Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000013307 optical fiber Substances 0.000 claims abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- -1 light source Substances 0.000 abstract description 2
- 238000002310 reflectometry Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- OQJGZGAYSCWFCK-UHFFFAOYSA-N 2-[4-(furan-2-ylmethyl)-5-[[4-methyl-3-(trifluoromethyl)phenyl]methylsulfanyl]-1,2,4-triazol-3-yl]pyridine Chemical compound C1=C(C(F)(F)F)C(C)=CC=C1CSC(N1CC=2OC=CC=2)=NN=C1C1=CC=CC=N1 OQJGZGAYSCWFCK-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 238000010238 partial least squares regression Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004177 carbon cycle Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000002681 soil colloid Substances 0.000 description 1
- 239000003802 soil pollutant Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
A kind of soil organic carbon rapid detection system based on near-infrared spectrum technique designed by the utility model, it includes diffusing reflection formula Y shape optical fiber, light source, fiber spectrometer and computer, the near infrared spectrum data output end of the data input pin connection fiber spectrometer of computer, the light signal output end of the incidence end connection light source of diffusing reflection formula Y shape optical fiber, the optical signal input of the reflected signal output end connection fiber spectrometer of diffusing reflection formula Y shape optical fiber, the test side of diffusing reflection formula Y shape optical fiber is optical fiber detecting probe.The utility model improves the detection efficiency and accuracy of detection of soil organic carbon by above-mentioned design, researcher is the most intuitively found out the exact value of the soil organic carbon of tested soil sample.
Description
Technical field
Precision agriculture soil nutrient rapid detection technical field is the utility model is related to, near-infrared is based in particular to one kind
The soil organic carbon rapid detection system of spectral technique.
Background technology
For soil, organic carbon (TOC) content is an important physico-chemical property index.During whole world change
The greenhouse effects of carbon dioxide, it is contemplated that in the global change research due of the coming years, carbon cycle will be extremely important in one
Core status.The soil organism is the important component of global carbon, the fixation (richness of organic matter to atmospheric carbon dioxide
Collection) or release (decomposition of the oxidation or microorganism of organic matter to organic matter) have large effect.The soil organism is in soil
The important sources of various nutrients particularly nitrogen, phosphorus, the aeration of soil, permeability, adsorptivity and resiliency etc. can be produced
It is raw to influence.Also by improving soil texture, soil colloid situation, the main number of Soil Moisture Dynamics is influenceed, plays regulation and control moisture
The effect of motion.In general, organic carbon content is higher in soil, and the ability of adsorption by soil pollutant is stronger, be soil from
One important indicator of net energy power height.For deposit, the height of organic carbon content can also directly reflect that water body is contaminated
Degree.It can be seen that have great importance to its Accurate Determining in agrology and environmental science.
At present, the detection method of soil organic carbon is chemical experiment standardization, and the soil carbon of this detection method contains
The detection efficiency of amount is relatively low, and detection process is cumbersome, and accuracy of detection is poor.
Utility model content
The purpose of this utility model seeks to provide a kind of soil organic carbon based on near-infrared spectrum technique quick
Detecting system, the detection efficiency of the system soil organic carbon is high, and accuracy of detection is high.
A kind of in order to achieve this, soil organic carbon based on near-infrared spectrum technique designed by the utility model
Rapid detection system, it is characterised in that it includes diffusing reflection formula Y shapes optical fiber, light source, fiber spectrometer and computer, wherein,
The near infrared spectrum data output end of the data input pin connection fiber spectrometer of computer, the incidence of diffusing reflection formula Y shape optical fiber
The light signal output end of end connection light source, the light letter of the reflected signal output end connection fiber spectrometer of diffusing reflection formula Y shape optical fiber
Number input, the test side of diffusing reflection formula Y shape optical fiber is optical fiber detecting probe.
The course of work of the present utility model is：Light source provides near-infrared light source to the incidence end of diffusing reflection formula Y shape optical fiber, closely
Infrared light is propagated in diffusing reflection formula Y shape optical fiber, and is projected by the test side of diffusing reflection formula Y shape optical fiber, diffusing reflection formula Y shape optical fiber
The near infrared light that projects of test side on tested soil, soil is reflected near infrared ray, the near-infrared being reflected back
Line enters the test side of diffusing reflection formula Y shape optical fiber, and is conveyed to optical fiber light by the reflected signal output end of diffusing reflection formula Y shape optical fiber
Spectrometer, the number of photons corresponding to each wave band of near infrared ray that fiber spectrometer detection reflects, to calculate near infrared ray
The wavelength data signal of near infrared spectrum and corresponding reflectance value are transported in computer by reflectivity, fiber spectrometer, meter
Calculation machine is returned to the wavelength data signal of near infrared spectrum and corresponding reflectance value using existing PLS
(Partial Least Squares Regression) mathematical modeling and the reflectivity and soil for combining default near infrared ray
The transformational relation prediction fitting of organic carbon content obtains the organic carbon content data of soil.
The utility model improves the detection efficiency and accuracy of detection of soil organic carbon by above-mentioned design, makes research
Personnel can intuitively find out the exact value of the soil organic carbon of tested soil sample the most.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein, 1-diffusing reflection formula Y shape optical fiber, 1.1-optical fiber detecting probe, 2-light source, 3-fiber spectrometer, 4-
Computer, 5-USB interface, 6-display.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail：
A kind of soil organic carbon rapid detection system based on near-infrared spectrum technique designed by the utility model,
It includes diffusing reflection formula Y shape optical fiber 1, light source 2, fiber spectrometer 3 and computer 4, wherein, the data input pin of computer 4 connects
Connect the near infrared spectrum data output end of fiber spectrometer 3, the optical signal of the incidence end connection light source 2 of diffusing reflection formula Y shape optical fiber 1
Output end, the optical signal input of the reflected signal output end connection fiber spectrometer 3 of diffusing reflection formula Y shape optical fiber 1, diffusing reflection formula
The test side of Y shape optical fiber 1 is optical fiber detecting probe 1.1, and optical fiber detecting probe 1.1 is directed at into tested soil during detection.
In above-mentioned technical proposal, it also includes display 6, the data display interface connection display 6 of the computer 4
Show signal communication end.Computer 4 controls display 6 will be red under the soil organic carbon data and two-dimensional coordinate of acquisition
External spectrum reflectivity carries out Windowing display with soil organic carbon curve distribution.Technical staff is facilitated to read data.
In above-mentioned technical proposal, the data input pin of the computer 4 connects fiber spectrometer 3 by USB interface 5
Near infrared spectrum data output end.
In above-mentioned technical proposal, the light source 2 is halogen tungsten lamp light source.
In above-mentioned technical proposal, the light source 2 is used to export near-infrared light source, the wavelength for the near infrared light that light source 2 exports
Scope is 360~2000nm.
In above-mentioned technical proposal, diffusing reflection formula Y shape optical fiber 1 is sturdy and durable, can transmit near infrared light letter sufficiently stablely
Number, signal drift is small.
In above-mentioned technical proposal, fiber spectrometer 3 uses U.S.'s ocean color instrument company USB4000 mini optical fibre light
Spectrometer.For the light source 2 using ocean color instrument company of U.S. HL-2000 halogen tungsten lamp light sources, it is to produce near-infrared to penetrate that it, which is acted on,
Line.The diffusing reflection formula Y shapes optical fiber 1 uses U.S. ocean color instrument company R200-REF-VIS-NIR diffusing reflection formula optical fiber,
It is to launch and gather near infrared ray that it, which is acted on,.The computer 4 is using Asus's H81M-D mainboards.
The utility model solves the skill of measuring accuracy difference in the prior art using the high precision of near-infrared spectrum technique
Art problem.Display 6 of the present utility model shows the infrared light of the soil sample in the form of Windowing under two-dimensional coordinate
Reflectivity and soil organic carbon curve distribution are composed, researcher can be allowed clearly to find out reflectivity in each wavelength period
Exact value.The concrete numerical value of soil organic carbon in the utility model display module, can be directly enterprising in operation interface
Row replicates paste operation, greatly improves researcher's operating efficiency.
The content that specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
Claims (5)
1. a kind of soil organic carbon rapid detection system based on near-infrared spectrum technique, it is characterised in that it includes unrestrained
Reflective Y shape optical fiber (1), light source (2), fiber spectrometer (3) and computer (4), wherein, the data input pin of computer (4)
Connect the near infrared spectrum data output end of fiber spectrometer (3), the incidence end connection light source (2) of diffusing reflection formula Y shape optical fiber (1)
Light signal output end, diffusing reflection formula Y shape optical fiber (1) reflected signal output end connection fiber spectrometer (3) optical signal it is defeated
Enter end, the test side of diffusing reflection formula Y shape optical fiber (1) is optical fiber detecting probe (1.1).
2. the soil organic carbon rapid detection system according to claim 1 based on near-infrared spectrum technique, it is special
Sign is：It also includes display (6), and the display signal of the data display interface connection display (6) of the computer (4) leads to
Believe end.
3. the soil organic carbon rapid detection system according to claim 1 based on near-infrared spectrum technique, it is special
Sign is：The data input pin of the computer (4) connects the near infrared spectrum number of fiber spectrometer (3) by USB interface (5)
According to output end.
4. the soil organic carbon rapid detection system according to claim 1 based on near-infrared spectrum technique, it is special
Sign is：The light source (2) is halogen tungsten lamp light source.
5. the soil organic carbon rapid detection system according to claim 1 based on near-infrared spectrum technique, it is special
Sign is：The light source (2) is used to export near-infrared light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720391929.0U CN206788034U (en) | 2017-04-14 | 2017-04-14 | Soil organic carbon rapid detection system based on near-infrared spectrum technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720391929.0U CN206788034U (en) | 2017-04-14 | 2017-04-14 | Soil organic carbon rapid detection system based on near-infrared spectrum technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206788034U true CN206788034U (en) | 2017-12-22 |
Family
ID=60708179
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|---|---|---|---|
| CN201720391929.0U Expired - Fee Related CN206788034U (en) | 2017-04-14 | 2017-04-14 | Soil organic carbon rapid detection system based on near-infrared spectrum technique |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801934A (en) * | 2018-04-10 | 2018-11-13 | 安徽师范大学 | A kind of modeling method of soil organic carbon EO-1 hyperion prediction model |
| CN109342260A (en) * | 2018-12-19 | 2019-02-15 | 浙江大学 | A kind of soil moisture detection system and its detection method |
| CN110530914A (en) * | 2019-09-26 | 2019-12-03 | 北京农业质量标准与检测技术研究中心 | Heavy metal-polluted soil detection system and detection method |
-
2017
- 2017-04-14 CN CN201720391929.0U patent/CN206788034U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801934A (en) * | 2018-04-10 | 2018-11-13 | 安徽师范大学 | A kind of modeling method of soil organic carbon EO-1 hyperion prediction model |
| CN109342260A (en) * | 2018-12-19 | 2019-02-15 | 浙江大学 | A kind of soil moisture detection system and its detection method |
| CN110530914A (en) * | 2019-09-26 | 2019-12-03 | 北京农业质量标准与检测技术研究中心 | Heavy metal-polluted soil detection system and detection method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 |