CN104316474A - Portable nursery stock flower color prediction device and prediction method thereof - Google Patents

Portable nursery stock flower color prediction device and prediction method thereof Download PDF

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CN104316474A
CN104316474A CN201410624311.5A CN201410624311A CN104316474A CN 104316474 A CN104316474 A CN 104316474A CN 201410624311 A CN201410624311 A CN 201410624311A CN 104316474 A CN104316474 A CN 104316474A
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nursery stock
circuit
portable
amplifying circuit
pattern prediction
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CN104316474B (en
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王兆敏
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Xuzhou University of Technology
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Xuzhou University of Technology
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Abstract

The invention provides a portable nursery stock flower color prediction device and a prediction method thereof. A white light source, a sample room, a device circuit and a seven-segment digital tube display window are arranged in a casing, and the device circuit is connected to the seven-segment digital tube display window. Firstly, the device is calibrated, that is, various samples are placed in the sample room for detection, and obtained corresponding data is stored in a single-chip microcomputer; pigment extraction is then carried out for nursery stock flowers to be predicted; pigments extracted from nursery stocks are placed in the sample room, the samples are illuminated by the parallel white light source, color-sensitive LEDs VD1 and VD2 receive light signals, and the device automatically displays light wavelengths corresponding to the colors of the samples, so as to achieve the purpose of nursery stock color prediction. The portable nursery stock flower color prediction device provided by the invention has a simple structure as well as high practicability and identifiability; the invention is an innovation for the traditional indirect light wavelength measurement method and the traditional light wavelength measurement principle; the pigments are directly extracted from the nursery stocks for prediction of the colors of the nursery stock flowers, so that the flower colors during the flower seasons can be known before the blossom of the nursery stocks of flowers and plants, which facilitates greening and landscape designing.

Description

A kind of portable nursery stock pattern prediction instrument and Forecasting Methodology
Technical field
The present invention relates to pattern prediction unit, be specifically related to a kind of portable nursery stock pattern prediction instrument and Forecasting Methodology.
Background technology
In March in spring, flowers blooming like a piece of brocade, rich in variety, the Nature intersperse full of magnificent carriage.How are gorgeous bright-colored various patterns like this formed? this Mysterious Veil is now opened by science.The color of corolla is determined by the pigment in petal cell, and the kind of pigment is a lot, pigment mainly anthocyanidin, flavonoids and the carotenoid relevant with the color of flower.Anthocyanidin is present in cell liquid, and the petal containing anthocyanidin can present the colors such as red, blue, purple.Anthocyanidin presents redness in an acidic solution, in alkaline solution, present blueness, in neutral solution, present purple.Carotenoid in petal is mainly present in chromoplast, different types of carotenoid, and flower can be made to show yellow, orange-yellow or orange red.Flavonoids, is also present in petal cell liquid with glucoside form, can present from pale yellow to deep yellow various patterns.Cell liquid alkalescence is stronger, and its yellow becomes darker, otherwise as acidity is stronger, its yellow becomes more shallow.The coefficient results such as the color of flower is the kind of anthocyanidin, flavonoids and carotenoid, the how many and potential of hydrogen of content.Spend in vain is because not containing pigment in cell liquid.Food scientific research finds, some pigment has material impact to people's health.As every in carrot 100 grams contain carrotene 1.35 ~ 17.25 milligrams of carrotene, and being 360 times of potato, is 36 times of celery.Can vitamin A be converted into after carrotene is absorbed by the body, body immunity can be improved, have anticancer prophylaxis effect.For another example show anthocyanidin in anthocyanidin (flavonoids) clinical research, the imbalance in the varication, artery and vein for the treatment of circulatory disorders, blood vessel is all helpful.Anthocyanidin, in Europe, has also been used to strengthening fine vascular, has strengthened colloid, has improved brain function, and in vivo as polyphenoils, and it seems also there is a kind of special affinity to kidney, can help to strengthen fine vascular comparatively fragile in glomerulus.
In view of above benefit, recent domestic is studied more to the pigment of food and pigment content, and the method for employing measures pigment spectrum, or mensuration color, as TCS230 color sensitive sensor, be mainly used in book document classification, FPGA sensor, is mainly used in Industry Control and product manufacturing.Nursery stock pattern detecting instrument yet there are no.
Summary of the invention
Along with the raising of goods and materials civilization, people there has also been higher pursuit to culture, spiritual civilization, urban afforestation, gardens construction need to purchase many flowers and nursery stocks, the color of flower during for just knowing their florescences before blooming at flowers and nursery stock, so that greening, landscape design, made this Instrument Design especially.
Technical solution of the present invention realizes by the following method:
A kind of portable nursery stock pattern prediction instrument, comprises and is arranged on adularescent light source in housing, sample chamber, equipment circuit and seven segment digital tubes display window; Described white light source is arranged on housing side, and sample chamber is arranged on white light source side, and sample chamber connects equipment circuit, and equipment circuit connects seven segment digital tubes display window.
Described equipment circuit comprises look quick diode and circuit board.
Described circuit board comprises logarithmic operational circuit, amplifying circuit and monolithic processor controlled direct current 5V voltage table.
Described monolithic processor controlled direct current 5V voltage table comprises A/D converter, trigger, driver.
Described look quick diode V d1, V d2negative pole is connected, look quick diode V d1positive pole connects logarithmic operational circuit OP 1, look quick diode V d2positive pole concatenation operation circuit OP 2, logarithmic operational circuit OP 1output terminal is by resistance R 3connect amplifying circuit OP 3positive input, logarithmic operational circuit OP 2output terminal is by resistance R 1connect amplifying circuit OP 3reverse input end, amplifying circuit OP 3parallel resistance R 2, amplifying circuit OP 3by resistance R 5connect the positive input of high gain operational amplifying circuit, the reverse input end contact resistance R of high gain operational amplifying circuit 4, high gain operational amplifying circuit parallel resistance R 6, high gain operational amplification circuit output end connects the 20th pin of A/D converter, and last signal demonstrates the level corresponding with wavelength by driving circuit after single-chip microcomputer process.
Described R 1, R 3, R 4, R 5for 10K Ω, described R 2, R 6for 100K Ω.
The Forecasting Methodology of portable nursery stock pattern prediction instrument,
A. instrumental calibration: be put in sample chamber by various sample and detect, obtaining corresponding data can be stored in single-chip microcomputer, so that pattern is afterwards compared in detecting.
B. pigment extracts: anthocyanidin, flavonoids belong to water-soluble substances, carrotene is dissolved in organic solvent, pigment is present in the internal layer moccasin of the petal of nursery stock, limb, when extracting anthocyanidin and flavonoids, can by the petal of nursery stock, sweet skin in a reservoir by pure water or alcohol immersion, extract carrotene and need use the imitative solvent soaking of methyl alcohol, ether or record, carrotene is insoluble to ethanol;
C. power initiation: after switching on power, instrument enters duty;
D. nursery stock pattern prediction: the pigment extracted from nursery stock is placed in sample chamber, with collimated white light source irradiation sample, look quick diode V d1, V d2receiving optical signals, seven segment digital tubes display window can show the optical wavelength corresponding with color sample automatically, to reach the object of prediction nursery stock pattern.
Described sample will select representational pigment to detect, and as red, blue or green, deep or light, the temperature of solution also can affect to measurement data, will measure under the condition that external condition is substantially identical.
Beneficial effect of the present invention:
Structure of the present invention is simple, practicality is good, identity is strong, reform the measuring principle of traditional indirect optical wavelength mensuration and optical wavelength, extracting directly pigment from nursery stock, prediction nursery stock flower color, just knew the color of flower during their florescences before flowers and nursery stock is bloomed so that greening, landscape design.In addition, the present invention can also be used for colour recognition and the detection of other goods and materials.
Accompanying drawing explanation
Fig. 1 is nursery stock pattern prediction instrument structural representation;
Fig. 2 nursery stock pattern is prediction instrument circuit theory diagrams;
1-housing, 2-white light source, 3-sample chamber, 4-look quick diode, 5-seven segment digital tubes display window, 6-circuit board.
Embodiment
Below in conjunction with accompanying drawing, by specific embodiment, technical solution of the present invention is described further.
As shown in Figure 1 and Figure 2, Fig. 1 is nursery stock pattern prediction instrument structural representation, and Fig. 2 nursery stock pattern is prediction instrument circuit theory diagrams.
A kind of portable nursery stock pattern prediction instrument, comprises and is arranged on adularescent light source 2 in housing 1, sample chamber 3, equipment circuit and seven segment digital tubes display window 5; White light source 2 is arranged on housing 1 side, and sample chamber 3 is arranged on white light source 2 side, and sample chamber 3 connects equipment circuit, and equipment circuit connects seven segment digital tubes display window 5.Equipment circuit comprises look quick diode 4 and circuit board 6.Circuit board 6 comprises logarithmic operational circuit, amplifying circuit and monolithic processor controlled direct current 5V voltage table.Monolithic processor controlled direct current 5V voltage table comprises A/D converter, trigger, driver.
Look quick diode 4 adopts silicon photoelectric diode pn130, and two the P-N junction diodes different by junction depth are formed, and the diode of shallow junction is P +-N ties; The diode of dark knot is P-N junction, therefore also known as photoelectricity binode diode.When there being incident light to irradiate, P +, have photonic absorption in N, P tri-regions and barrier region therebetween, but effect is different, and ultraviolet portion absorption coefficient is large, and through very short distance, basic absorption is complete.At this, shallow junction be namely highly sensitive to ultraviolet light of photodiode, and infrared part absorption coefficient is less, and the photon of this kind of wavelength is then main to be absorbed in dark interface.Therefore, the sensitivity of that photodiode to infrared light of dark knot is higher.Regions different in the semiconductors has different sensitivity respectively to different wavelength, and this device is used for the possibility of colour recognition by this characteristic to we providing, and namely can be used for measuring the wavelength of light.By photodiode combinations different for two junction depths, just constitute the semiconductor color sensitive sensor that can measure wavelength.When embody rule, should first demarcate this colour sensitive element.That is, the illumination measuring different wave length is penetrated down, the ratio I of two photodiode short-circuit currents in this device sD2/ I sD1, I sD1be the short-circuit current of shallow diode, it is larger in shortwave district.I sD2be the short-circuit current of dark junction diode, it is larger in long-wavelength region.Thus the relation that the two ratio and people penetrate monochromatic wavelength just can be determined.According to the curve demarcated, survey out short-circuit current ratio during a certain monochromatic light, this monochromatic wavelength can be determined.
The design adopts two-way logarithmic operational circuit, converts light signal to electric signal.The amplifying circuit op of two-way logarithmic operational circuit 1with amplifying circuit op 2adopt op07 chip.Op07 chip is a low noise, the bipolar operational amplifier integrated circuit of non-chopper-zero-stabilized.Because op07 chip has low-down input offset voltage (op07A is 25 μ V to the maximum), so op07 chip does not need extra zeroing measure in a lot of application scenario.Op07 chip has the feature of input bias current low (op07A is ± 2nA) and open-loop gain high (op07A is 300V/mV) simultaneously, and the characteristic of this low imbalance, high open-loop gain makes op07 chip be specially adapted to the measuring equipment of high-gain and the feeble signal etc. of amplification sensor.Relevant performance index are ultralow skew: 150 μ V are maximum; Low input bias current: 1.8nA; Low maladjustment voltage drifts about: 0.5 μ V/ DEG C; The overstable time: 2 μ V/month are maximum; High power supply voltage scope: ± 3V to ± 22V.
The mono-amplifier of uA741 is high gain operational amplifier.This single piece of silicon integrated circuit (IC)-components provides output short circuit protection and locking freely to operate.
Look quick diode V d2positive pole concatenation operation circuit OP 2, logarithmic operational circuit OP 1output terminal is by resistance R 3connect amplifying circuit OP 3positive input, logarithmic operational circuit OP 2output terminal is by resistance R 1connect amplifying circuit OP 3reverse input end, amplifying circuit OP 3parallel resistance R 2, amplifying circuit OP 3by resistance R 5connect the positive input of high gain operational amplifying circuit, the reverse input end contact resistance R of high gain operational amplifying circuit 4, high gain operational amplifying circuit parallel resistance R 6, high gain operational amplification circuit output end connects the 20th pin of A/D converter, and last signal demonstrates the level corresponding with wavelength by driving circuit after single-chip microcomputer process.R 1, R 3, R 4, R 5for 10K Ω, R 2, R 6for 100K Ω.
Principle of work of the present invention:
Two-way logarithmic operational circuit OP 1, OP 2and amplifying circuit OP 3composition color detection circuitry, is irradiated to look quick diode V when there being light d1, V d2time upper, due to the quick diode V of dichromatism d1, V d2different to the sensitivity of different wavelengths of light, the quick diode V of dichromatism d1, V d2the short-circuit current I produced sD1, I sD2difference, and both ratio and the monochromatic wavelength of incidence just can be determined.When electric current is smaller, look quick diode V d1, V d2approximate log relation is there is, i.e. logarithmic operational circuit OP between the voltage that two ends add and the electric current flow through 1, OP 2export respectively at lnI sD1, lnI sD2in direct ratio, amplifying circuit OP 3get their difference, export as U 0=C (lnI sD2-lnI sD1)=Cln (lnI sD2/ lnI sD1), wherein C is proportionality constant.U oafter high gain operational amplifying circuit UA741 amplifies, flow to A/D change-over circuit ADC0809, after single-chip microcomputer process, demonstrate the level corresponding with wavelength by driving circuit 2803.
The Forecasting Methodology of portable nursery stock pattern prediction instrument:
A. instrumental calibration: be put in sample chamber 3 by various sample and detect, obtaining corresponding data can be stored in single-chip microcomputer, so that pattern is afterwards compared in detecting.
B. pigment extracts: anthocyanidin, flavonoids belong to water-soluble substances, carrotene is dissolved in organic solvent, pigment is present in the internal layer moccasin of the petal of nursery stock, limb, when extracting anthocyanidin and flavonoids, can by the petal of nursery stock, sweet skin in a reservoir by pure water or alcohol immersion, extract carrotene and need use the imitative solvent soaking of methyl alcohol, ether or record, carrotene is insoluble to ethanol;
C. power initiation: after switching on power, instrument enters duty;
D. nursery stock pattern prediction: the pigment extracted from nursery stock is placed in sample chamber, irradiates sample with collimated white light source 2, look quick diode V d1, V d2receiving optical signals, seven segment digital tubes display window 5 can show the optical wavelength corresponding with color sample automatically, to reach the object of prediction nursery stock pattern.
Sample will select representational pigment to detect, and as red, blue or green, deep or light, the temperature of solution also can affect to measurement data, will measure under the condition that external condition is substantially identical.

Claims (8)

1. a portable nursery stock pattern prediction instrument, is characterized in that: comprise and be arranged on adularescent light source in housing, sample chamber, equipment circuit and seven segment digital tubes display window; Described white light source is arranged on housing side, and sample chamber is arranged on white light source side, and sample chamber connects equipment circuit, and equipment circuit connects seven segment digital tubes display window.
2. one according to claim 1 portable nursery stock pattern prediction instrument, is characterized in that: described equipment circuit comprises look quick diode and circuit board.
3. one according to claim 2 portable nursery stock pattern prediction instrument, is characterized in that: described circuit board comprises logarithmic operational circuit, amplifying circuit and monolithic processor controlled direct current 5V voltage table.
4. one according to claim 3 portable nursery stock pattern prediction instrument, is characterized in that: described monolithic processor controlled direct current 5V voltage table comprises A/D converter, trigger, driver.
5. one according to claim 4 portable nursery stock pattern prediction instrument, is characterized in that: described look quick diode V d1, V d2negative pole is connected, look quick diode V d1positive pole connects logarithmic operational circuit OP 1, look quick diode V d2positive pole concatenation operation circuit OP 2, logarithmic operational circuit OP 1output terminal is by resistance R 3connect amplifying circuit OP 3positive input, logarithmic operational circuit OP 2output terminal is by resistance R 1connect amplifying circuit OP 3reverse input end, amplifying circuit OP 3parallel resistance R 2, amplifying circuit OP 3by resistance R 5connect the positive input of high gain operational amplifying circuit, the reverse input end contact resistance R of high gain operational amplifying circuit 4, high gain operational amplifying circuit parallel resistance R 6, high gain operational amplification circuit output end connects the 20th pin of A/D converter, and last signal demonstrates the level corresponding with wavelength by driving circuit after single-chip microcomputer process.
6., according to the one portable nursery stock pattern prediction instrument that claim 5 is stated, it is characterized in that: described R 1, R 3, R 4, R 5for 10K Ω, described R 2, R 6for 100K Ω.
7. utilize a Forecasting Methodology for portable nursery stock pattern prediction instrument described in claim 1 ~ 6, it is characterized in that:
A. instrumental calibration: various sample is put in sample chamber and detects, obtaining corresponding data can be stored in single-chip microcomputer, so that pattern is afterwards compared in detecting;
B. pigment extracts: anthocyanidin, flavonoids belong to water-soluble substances, carrotene is dissolved in organic solvent, pigment is present in the internal layer moccasin of the petal of nursery stock, limb, when extracting anthocyanidin and flavonoids, can by the petal of nursery stock, sweet skin in a reservoir by pure water or alcohol immersion, extract carrotene and need use the imitative solvent soaking of methyl alcohol, ether or record, carrotene is insoluble to ethanol;
C. power initiation: after switching on power, instrument enters duty;
D. nursery stock pattern prediction: the pigment extracted from nursery stock is placed in sample chamber, with collimated white light source irradiation sample, look quick diode V d1, V d2receiving optical signals, seven segment digital tubes display window can show the optical wavelength corresponding with color sample automatically, to reach the object of prediction nursery stock pattern.
8. one kind utilizes the Forecasting Methodology of portable nursery stock pattern prediction instrument described in claim 7, it is characterized in that: described sample will select representational pigment to detect, as red, blue or green, deep or light, the temperature of solution also can affect to measurement data, will measure under the condition that external condition is substantially identical.
CN201410624311.5A 2014-11-07 2014-11-07 Portable nursery stock flower color prediction device and prediction method thereof Expired - Fee Related CN104316474B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002005842A (en) * 2000-06-21 2002-01-09 Techno Ishii:Kk Non-contact detector
CN1865926A (en) * 2006-04-30 2006-11-22 武汉大学 Portable detector for pigment in plant leaf
JP2008064681A (en) * 2006-09-08 2008-03-21 Iwate Univ Method and device for detecting pollinated bud
CN101334359A (en) * 2008-07-29 2008-12-31 北京航空航天大学 Portable plant nutrient ingredient damage-free measuring apparatus and method
CN201311393Y (en) * 2008-12-16 2009-09-16 中国农业大学 Portable detecting instrument
CN103308466A (en) * 2013-06-04 2013-09-18 沈阳仪表科学研究院有限公司 Portable multispectral imaging system with light filter color wheel and spectral image processing method of multispectral imaging system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002005842A (en) * 2000-06-21 2002-01-09 Techno Ishii:Kk Non-contact detector
CN1865926A (en) * 2006-04-30 2006-11-22 武汉大学 Portable detector for pigment in plant leaf
JP2008064681A (en) * 2006-09-08 2008-03-21 Iwate Univ Method and device for detecting pollinated bud
CN101334359A (en) * 2008-07-29 2008-12-31 北京航空航天大学 Portable plant nutrient ingredient damage-free measuring apparatus and method
CN201311393Y (en) * 2008-12-16 2009-09-16 中国农业大学 Portable detecting instrument
CN103308466A (en) * 2013-06-04 2013-09-18 沈阳仪表科学研究院有限公司 Portable multispectral imaging system with light filter color wheel and spectral image processing method of multispectral imaging system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
彭涛等: "介绍两种无损伤测定植物活体叶片色素含量的方法", 《植物生理学通讯》 *
韦友欢等: "阴生植物与阳生植物色素含量的比较分析", 《湖北农业科学》 *

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