CN106770000A - A kind of acidity of fruit confection quality real-time detection apparatus - Google Patents
A kind of acidity of fruit confection quality real-time detection apparatus Download PDFInfo
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- CN106770000A CN106770000A CN201510816745.XA CN201510816745A CN106770000A CN 106770000 A CN106770000 A CN 106770000A CN 201510816745 A CN201510816745 A CN 201510816745A CN 106770000 A CN106770000 A CN 106770000A
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- fruit
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- time detection
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- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 54
- 235000009508 confectionery Nutrition 0.000 title claims abstract description 23
- 238000011897 real-time detection Methods 0.000 title claims abstract description 14
- 238000001228 spectrum Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 238000013461 design Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
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- 238000004891 communication Methods 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
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- 238000005516 engineering process Methods 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000010183 spectrum analysis Methods 0.000 abstract description 4
- 241000675108 Citrus tangerina Species 0.000 abstract description 2
- 238000007405 data analysis Methods 0.000 abstract description 2
- 238000007781 pre-processing Methods 0.000 abstract description 2
- 238000001320 near-infrared absorption spectroscopy Methods 0.000 abstract 1
- 238000002329 infrared spectrum Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 3
- 238000004497 NIR spectroscopy Methods 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005089 fruit drop Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 229930091371 Fructose Natural products 0.000 description 1
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 1
- 239000005715 Fructose Substances 0.000 description 1
- 241000772413 Lutrogale perspicillata Species 0.000 description 1
- 235000006029 Prunus persica var nucipersica Nutrition 0.000 description 1
- 244000017714 Prunus persica var. nucipersica Species 0.000 description 1
- 240000008866 Ziziphus nummularia Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229930002868 chlorophyll a Natural products 0.000 description 1
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 1
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Classifications
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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
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
-
- 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
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
Abstract
A kind of acidity of fruit confection quality real-time detection apparatus, acidity of fruit confection detection means is studied using near-infrared spectral analysis technology, fruit transmission module, lighting module, spectra collection module and data analysis and processing module are invented, then system has been verified as test sample using Fujian morning tangerine.Result shows, realize that to the real-time detection of acidity of fruit confection be feasible using near infrared reflectance spectroscopy, and using the model that the preprocessing procedures that polynary scattered color corrects (MSC) are set up after being pre-processed to fruit diffusing reflection spectrum optimal, model has good precision of prediction and prediction stability.
Description
Technical field
The present invention relates to a kind of detection means, more particularly to a kind of acidity of fruit confection quality real-time detection apparatus.
Background technology
Fruit because the several mineral materials containing needed by human body, vitamins and other nutritious components and by people as indispensable daily consumption product, with the improvement of living standards, people there has also been requirement higher to the good mouthfeel of sugariness of edible fruits.Traditional detection technique is not only wasted time and energy, but also fruit can be damaged.In recent years, the fast development of Near Infrared Spectroscopy Detection Technology makes it possible to realize quick, the Non-Destructive Testing to fruit drops concentration using near-infrared spectral analysis technology.The features such as Near Infrared Spectroscopy Detection Technology has fast and convenient, lossless, accurate, is used widely in agricultural and food service industry.
Domestic and international researcher has achieved great achievement using near-infrared (NIR) analytical technology to fruit internal quality Indexs measure, Kawano selects 680 ~ 1235nm spectral region near infrared spectrums, and the sugared concentration of oranges and tangerines is tested and analyzed using the method for transmission；Slaughter has carried out quantitative study using near-infrared spectral analysis technology to the index such as soluble solid content, pol and chlorophyll A content in nectarine；McGlone have studied influence of the different near infrared detection systems to the apple internal sugar Concentration Testing of high-speed motion.At home, although research of the near-infrared spectral analysis technology in agricultural byproducts starts to walk than later, considerable achievement has also been achieved.The influence that grandson leads to etc. using near infrared spectrum combination visible ray to the soluble solid content of Nanfeng orange is studied；The influence using near-infrared diffusing reflection technology to apple fructose concentration such as Liu Yande has carried out quantitative study；The influence using near-infrared diffusing reflection technology combination wavelet compression techniques to farina content such as Dong little Ling has made intensive studies；Sea otter high etc. realizes the discriminating to fresh dates kind and the Weeding to bad jujube using near-infrared diffusing reflection spectrum.Forefathers are proved by substantial amounts of experiment, realize that to the detection of fruit drops concentration and acidity be feasible indirectly using near-infrared diffusing reflection technology, substantial amounts of experience is have accumulated in this respect, but most of researchs only reside within experiment level, the design studies scheme of the acidity of fruit confection real-time detection also without complete set.
The content of the invention
Detection the invention aims to realize sugar degree and acidity inside quality, devises a kind of acidity of fruit confection quality real-time detection apparatus.
The technical solution adopted for the present invention to solve the technical problems is：
Acidity of fruit confection quality real-time detection apparatus are made up of the part such as transmission unit, control unit, spectra collection unit and data processing unit.
The described transmission unit part such as including pallet, track, transport trolley.During designed path, actual size according to fruit and realize fruit smooth transport requirement, track is formed using the shape extrusion of in the market, designed using 2 parallel angle iron formed steel constructions, ensure the parallel of 2 angle bar, the angle of angle bar provides guide effect for dolly, it is ensured that the oriented motion of dolly.
Described control unit detects that transmitting apparatus and component communication interface for required control on testing stand are constituted by 1 pair, is responsible for the action of control dolly, completes the work such as fruit positioning, spectra collection.
The described spectra collection unit part such as including acquisition probe, optical fiber, spectrometer is constituted, and is responsible for completing the task to the spectra collection of each fruit.
Described data processing unit is first pre-processed using the method for polynary scattered color correction (MSC) to the diffusing reflection spectrum of fruit, remove noise wave removing, then acidity of fruit confection forecast model is set up using PLS (PLS), completes the prediction to acidity of fruit confection.
The beneficial effects of the invention are as follows：
This research carries out global design to acidity of fruit confection near infrared detection system first, detailed design explanation mainly has been carried out to transport module, lighting module, spectra collection module and data analysis and processing module, test result indicate that realize that to the detection of acidity of fruit confection be feasible indirectly using near infrared spectrum diffusing reflection technology, and with preferable effect.With the acidity of fruit confection modelling effect set up after Pretreated spectra more preferably, wherein, the preprocessing procedures using polynary scattered color correction (MSC) are optimal to the model of foundation after Pretreated spectra.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the global design diagram of system.
Fig. 2-1 is the structure of fruit tray.
Fig. 2-2 is the structure of dolly.
Fig. 3 is illumination system design structure.
Fig. 4 is near infrared spectra collection control flow.
Specific embodiment
As shown in figure 1, acidity of fruit confection quality real-time detection apparatus are made up of the part such as transmission unit, control unit, spectra collection unit and data processing unit.The transmission unit part such as including pallet, track, transport trolley, transport trolley drives the pallet equipped with fruit to move in orbit, completes the task of fruit transmission, and the final power resources of transport trolley are in motor, the operating that control system passes through controlled motor, reaches the transport of control fruit.Control unit detects that transmitting apparatus and component communication interface for required control on testing stand are constituted by 1 pair, is responsible for the action of control dolly, completes the work such as fruit positioning, spectra collection.The spectra collection unit part such as including acquisition probe, optical fiber, spectrometer is constituted, and is responsible for completing the task to the spectra collection of each fruit.The acidity of fruit confection prediction algorithm model that data processing unit is set up by specific DSP processors and in advance is constituted, and noise is removed by the pretreatment to spectrum, is then input to the Internal quality index that forecast model obtains fruit.
Keep specific attitude to enter in spectral detection case with certain speed as shown in Fig. 2 Transmission system is responsible for fruit, be that the collection of spectrum is carried out and realizes preparation.The technical characterstic of this link is stable motion, the lucifuge area between pallet and fruit, regulation of transmission speed of guarantee fruit etc..The design of fruit tray and dolly will mainly complete transport and the positioning function of fruit.
As shown in Figure 3, illumination system is made up of light source and lighting box two parts, for fruit on-line checking provides stabilization, controllable near-infrared light source, make whole system there is sufficiently strong light to be irradiated to fruit surface, assist spectra collection module to complete the collecting work of diffusing reflection spectrum.
It is main to complete to carry out Real-time Collection to the near infrared spectrum that fruit diffusing reflection is returned as shown in figure 4, the spectra collection unit part such as including near infrared detector, optical fiber, spectrometer, the near-infrared diffusing reflection absorbance computing formula used in the system for:
In formula:D is absorbance；R∞It is diffusing reflection rate；K is absorption coefficient (depending primarily on the chemical composition of diffuse reflector)；S is the scattered colour system number (depending primarily on the physical characteristic of diffuse reflector, S ≈ 421.67) of diffuse reflector.
Claims (5)
1. a kind of acidity of fruit confection quality real-time detection apparatus, are made up of the part such as transmission unit, control unit, spectra collection unit and data processing unit.
2. acidity of fruit confection quality real-time detection apparatus according to claim 1, it is characterized in that the described transmission unit part such as including pallet, track, transport trolley, during designed path, actual size according to fruit and realize fruit smooth transport requirement, track is formed using the shape extrusion of in the market, uses 2 parallel angle iron formed steel constructions to design, it is ensured that 2 angle bar it is parallel, the angle of angle bar provides guide effect for dolly, it is ensured that the oriented motion of dolly.
3. acidity of fruit confection quality real-time detection apparatus according to claim 1, it is characterized in that described control unit detects that transmitting apparatus and component communication interface for required control on testing stand are constituted by 1 pair, it is responsible for the action of control dolly, completes the work such as fruit positioning, spectra collection.
4. acidity of fruit confection quality real-time detection apparatus according to claim 1, it is characterized in that the described spectra collection unit part such as including acquisition probe, optical fiber, spectrometer is constituted, are responsible for completing the task to the spectra collection of each fruit.
5. acidity of fruit confection quality real-time detection apparatus according to claim 1, it is characterized in that described data processing unit is first pre-processed using the method for polynary scattered color correction (MSC) to the diffusing reflection spectrum of fruit, remove noise wave removing, then acidity of fruit confection forecast model is set up using PLS (PLS), completes the prediction to acidity of fruit confection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510816745.XA CN106770000A (en) | 2015-11-23 | 2015-11-23 | A kind of acidity of fruit confection quality real-time detection apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510816745.XA CN106770000A (en) | 2015-11-23 | 2015-11-23 | A kind of acidity of fruit confection quality real-time detection apparatus |
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| CN106770000A true CN106770000A (en) | 2017-05-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328721A (en) * | 2017-06-29 | 2017-11-07 | 深圳市赛亿科技开发有限公司 | A kind of device and method that food security is detected based on multi-source optical spectrum data fusion |
| CN108572154A (en) * | 2018-05-31 | 2018-09-25 | 福建医科大学 | A method of quickly detecting peach juice Normal juice content based on near-infrared spectrum technique |
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2015
- 2015-11-23 CN CN201510816745.XA patent/CN106770000A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328721A (en) * | 2017-06-29 | 2017-11-07 | 深圳市赛亿科技开发有限公司 | A kind of device and method that food security is detected based on multi-source optical spectrum data fusion |
| CN108572154A (en) * | 2018-05-31 | 2018-09-25 | 福建医科大学 | A method of quickly detecting peach juice Normal juice content based on near-infrared spectrum technique |
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Application publication date: 20170531 |