CN102778444A - Device and method capable of simultaneously measuring multiple index parameters of pear - Google Patents
Device and method capable of simultaneously measuring multiple index parameters of pear Download PDFInfo
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- CN102778444A CN102778444A CN201210286960XA CN201210286960A CN102778444A CN 102778444 A CN102778444 A CN 102778444A CN 201210286960X A CN201210286960X A CN 201210286960XA CN 201210286960 A CN201210286960 A CN 201210286960A CN 102778444 A CN102778444 A CN 102778444A
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Abstract
The invention discloses a device capable of simultaneously measuring multiple index parameters of a pear. The device comprises a black box, an electronic weighing and rotating platform arranged in the black box and used for measuring the weight of the pear, a height measuring device arranged in the black box and used for measuring the height of the pear, a lighting module used for transmitting detection light to the pear, a spectrum collecting module used for receiving the reflected light of the pear, and a control unit used for calculating the volume of a sample through receiving signals of the electronic weighing and rotating platform and the height measuring device and calculating the PH value of the sample through receiving a signal of the spectrum collecting module. The invention also discloses a method capable of measuring multiple index parameters of the pear by using the device. The invention realizes the rapid detection of multiple physical parameters such as weight, height, volume and the PH value of the pear, and has the advantages of rapidness and accuracy in detection, low detection cost and less environment pollution.
Description
Technical field
The present invention relates to the fruit detection range, be specifically related to measure simultaneously the device and the method for a plurality of index parameters of pears.
Background technology
The pH value is an important indicator that characterizes the fruit maturity.
PH value in the fruit has very big influence to its mouthfeel; It is one of important indicator of estimating fruit internal quality; In addition; The weight of fruit, height and volume are the key factors that needs consideration in the sizing screening process, therefore, need realize measuring fast and accurately to weight, height and the volume of pH value, fruit in the fruit.
What the measurement of the pH value of fruit was adopted is pH meter, and this method is not only time-consuming, effort, consumables cost are high, and has destroyed the integrity degree of fruit, and the fruit that detects after finishing can not eat again, has caused waste.
The infrared light of a branch of different wave length is shone on the molecule of material, and the infrared light of some specific wavelength is absorbed, and forms the infrared absorption spectrum of this a part.Every kind of molecule all has the exclusive infrared absorption spectrum by its The Nomenclature Composition and Structure of Complexes decision, can carry out structure analysis and evaluation to molecule in view of the above.
Infrared absorption spectrum is ceaselessly done to vibrate with rotational motion by molecule and is produced, and molecular vibration is meant that each atom is done relative motion in the molecule near the equilibrium position, and polyatomic molecule can be formed multiple vibration graphics.The energy of molecular vibration is just in time corresponding with the photon energy of infrared light, therefore when the vibrational state of molecule changes, just can launch infrared spectrum, also can produce infrared absorption spectrum because of infrared ray excited molecular transition.
At present, the existing pol of visible infrared evaluation fruit and the report of acidity of utilizing.
Application number is 201010247589.7 disclosure of the Invention, and a kind of fruit internal quality detects stage division; Be specially a kind of fruit internal quality and detect stage division based on supporting vector machine model and Near Infrared Spectroscopy Detection Technology; This method is to the ambiguity of fruit mouthfeel; With the attributional analysis of degree of membership notion introducing fruit, in the process of confirming fruit quality mensuration degree of membership, consider the Q factor that fruit near infrared light spectral property and physics and chemistry are measured simultaneously; The degree of membership that utilization is described based on the support vector data field is come revising based on pol and the definite mensuration degree of membership of acidity, thereby sets up out the supporting vector machine model of effective fruit grading.
The pH value is to weigh the key factor of fruit quality in the fruit, and the mensuration sample preparation for fruit pH values in the prior art is loaded down with trivial details, wastes time and energy, and therefore, a kind of method of measuring pH value in the fruit fast and effectively need be provided.
Summary of the invention
The invention provides the device and the method for a plurality of index parameters that can measure pears simultaneously, when keeping the integrity degree of pears, to the weight of pears, highly, volume and pH value measure, simple to operate, raising is to the assess effectiveness of the quality of pears.
Can measure the device of a plurality of index parameters of pears simultaneously, comprise:
Camera bellows;
Be positioned at said camera bellows, be used to measure the electronic-weighing rotation platform of the weight of pears;
Be positioned at said camera bellows, be used to measure the height measuring device of the height of pears;
Be used for illumination module to pears emitting detection light;
Be used to receive the catoptrical spectra collection module of pears;
Be used to receive the calculated signals sample volume of said electronic-weighing rotation platform and height measuring device, and the control module that is used to receive said spectra collection cell signal calculation sample pH value;
Said illumination module is included in LED pointolite array, reflection lid, first condenser lens, second condenser lens and the output optical fibre of arranging successively on the light path; Said LED pointolite array comprises each one of the LED pointolite of 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and 1800nm, and all LED pointolites are circular arrangement and evenly distribute.
With the carpopodium of pears up; The fruit calyx places on the electronic-weighing rotation platform in the said camera bellows down; Utilize the weighing of electronic-weighing rotation platform to obtain the weight G of pears; Utilize said height measuring device to measure the height H of pears, said height H refers to that the carpopodium root arrives the distance between the fruit calyx, brings gained weight G and height H into volume V that V=0.218*G+0.123*H-8.8 calculates pears.
When highly measuring, carpopodium can be depressed into and pears top flush position, and the general arrangement of height measuring device is the same with the device of existing measurement height.
The detection light of the pears emission specific wavelength of said illumination module in camera bellows; Said electronic-weighing rotation platform rotation; Said spectra collection module is gathered the reflected light of the different parts of different wave length place pears; Said control module receives said reflected light, extracts the catoptrical reflectivity of different wave length, utilizes formula Y=1.258X
1-2.359X
2-1.366X
3+ 2.788X
4-2.515X
5+ 1.932X
6-38.425X
7+ 47.938X
8-2.619X
9-13.084X
10+ 22.126X
11-15.024X
12+ 4.35 calculate the pH value of pears, and Y is a pH value in the pears in the formula; X
1～X
12Be respectively the reflectivity of wavelength 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and the pairing pears of 1800nm.
Pears are placed in the said camera bellows, isolate extraneous light, catoptrical collection forms interference to pears to avoid extraneous light, improves the accuracy of the testing result of pears pH value.
Said LED pointolite sends the light of specific wavelength, after the reflection of reflection lid, becomes directional light by first condenser lens, and this directional light gets into output optical fibre after second condenser lens focuses on, be passed to the top of pears in the camera bellows by output optical fibre.
As preferably, the optical axis of every LED pointolite becomes 30 degree angles along optical path direction with the axis of said annular.So that on suitable distance, focus on.
As preferably, said spectra collection module comprises the light sensor that receives the catoptrical reception optical fiber of sample and receive this reception signal that optical fiber transmits.
The detection light of the corresponding different wave length of said light sensor is provided with; Be that corresponding wavelength 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and 1800nm are respectively equipped with light sensor, said light sensor receives the reflected light from the different wave length of pears.
As preferably, the transmitting terminal of said output optical fibre and the collection terminal that receives optical fiber all are positioned at said camera bellows.
The light that the output optical fibre of said illumination module sends the LED pointolite array is passed to the transmitting terminal that output optical fibre is positioned at camera bellows; The detection light of the pears emission different wave length in camera bellows; Detect light and after the pears reflection, obtain reflected light; Reflected light by receiving Optical Fiber Transmission to control module, obtains pH value in the pears by the control module processing after being gathered by the collection terminal of said reception optical fiber.
As preferably, be provided with the telescoping mechanism of regulating the output optical fibre and the second condenser lens spacing.
Said telescoping mechanism can be regulated the distance between the said output optical fibre and second condenser lens; Promptly regulate the detection light light intensity magnitude of second condenser lens output that output optical fibre receives; After the pears reflection, obtain suitable reflected light light intensity, be used to calculate the pH value of pears.
As preferably; The sidewall of said camera bellows is provided with two closed slides of vertical layout and the elevating bracket that slides along closed slide; Said elevating bracket is provided with the ferrule that inserts in the camera bellows, and said output optical fibre and reception optical fiber extend in the camera bellows along said ferrule.
Said elevating bracket can slide up and down along closed slide, drives ferrule and slides up and down, and the position of also promptly adjusting the transmitting terminal of output optical fibre and accepting the collection terminal of optical fiber is located at the position, equator of pears, also is the maximum position of circumference of pears.
Based on the above-mentioned device that can measure a plurality of index parameters of pears simultaneously, the present invention also provides a kind of device that utilizes these a plurality of index parameters that can measure pears simultaneously to measure the method for many index parameters of pears, may further comprise the steps:
(1) pears is put into said camera bellows, utilize said electronic-weighing rotation platform to measure the weight G of pears, utilize said height measuring device measuring height H;
(2) with the weight G and the height H information Input Control Element of pears, control module calculates the volume V of pears according to formula V=0.218*G+0.123*H-8.8;
(3) position, equator along pears is determined to few two check points; Said illumination module is sent to these two check points and is detected light, utilizes each check point of spectra collection module collection to be in the reflectivity of wavelength for 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and the pairing pears of 1800nm;
(4) with gained reflectivity Input Control Element, control module is according to multiple linear regression equations: Y=1.258X
1-2.359X
2-1.366X
3+ 2.788X
4-2.515X
5+ 1.932X
6-38.425X
7+ 47.938X
8-2.619X
9-13.084X
10+ 22.126X
11-15.024X
12+ 4.35, calculate the pH value of pears;
Y is a pH value in the pears in the formula; X
1～X
12Be respectively the reflectivity of wavelength 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and the pairing pears of 1800nm.
Through to the position, equator of pears, i.e. the maximum position of the circumference of pears, the light of emission different wave length, the reflected light information of gathering pears is extracted the reflectivity of different wave length place pears, calculates the pH value of pears.
The present invention sets up is used to calculate the equation V=0.218*G+0.123*H-8.8 of the volume of pears, and wherein, the unit of weight G is g, and the unit of height H is cm, and the unit of volume V is cm
3Volume calculation for other fruit is inapplicable, detects other fruit if desired, need set up the equation of volume calculated in addition.
Because volume V comes through equation model, so the numerical value unit of equation both sides do not participate in calculating, only is the value of being convenient to explicit data.
The present invention realized the weight of pears, highly, the fast detecting of the multinomial physical parameter of volume and pH value, detect quick and precisely, it is low to detect cost, environmental pollution is little.
Description of drawings
Fig. 1 can measure the device synoptic diagram of a plurality of index parameters of pears simultaneously for the present invention;
Fig. 2 can measure the device illumination module diagram of a plurality of index parameters of pears simultaneously for the present invention;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is the side view of camera bellows among Fig. 1;
Fig. 5 is the synoptic diagram of pears;
The pH predicted value of the pears that Fig. 6 records when being the inventive method modeling and the graph of a relation of pH measured value;
The pH predicted value of the pears that Fig. 7 records when predicting for the inventive method and the graph of a relation of pH measured value.
Embodiment
Below in conjunction with accompanying drawing, can measure the device of a plurality of index parameters of pears to the present invention simultaneously and do detailed description.
Can measure the device of a plurality of index parameters of pears simultaneously, comprise: camera bellows 11, be positioned at camera bellows 11 be used to measure pears 10 weight electronic-weighing rotation platform 9, be positioned at camera bellows 11 be used to measure pears 10 height height measuring device 14, be used for to pears 10 emitting detection light illumination module 2, be used to receive the catoptrical spectra collection module of pears 10 and be used to receive the calculated signals sample volume of said electronic-weighing rotation platform 9 and height measuring device 14 and receive the control module 3 of said spectra collection cell signal calculation sample pH value.
Camera bellows 11 is provided with sliding door 8, pears 10 are put into camera bellows 11 after, close sliding door 8, can reduce extraneous light is gathered pears 10 to the spectra collection module catoptrical interference.
Illumination module 2 is included on the light path LED pointolite 19 arrays, the reflection of arranging successively and covers 25, first condenser lens 22, second condenser lens 17 and output optical fibre 15; Said LED pointolite 19 arrays comprise each one of the LED pointolite 19 of 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and 1800nm; All LED pointolites 19 are circular arrangement and evenly distribute, and the optical axis of every LED pointolite 19 becomes 30 degree angles along optical path direction with the axis of said annular.
The spectra collection module comprises the light sensor that receives the catoptrical reception optical fiber of sample and receive this reception signal that optical fiber transmits; The detection light of corresponding LED pointolite 19 different wave lengths of light sensor is provided with; Be that corresponding wavelength 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and 1800nm are respectively equipped with light sensor, light sensor receives the reflected light from the different wave length of the different parts of pears 10.
The collection terminal of the transmitting terminal of output optical fibre 15 and reception optical fiber all is positioned at camera bellows 11; The output optical fibre 15 of illumination module 2 is passed to the transmitting terminal that output optical fibre 15 is positioned at camera bellows 11 with the light that LED pointolite 19 arrays send; To the detection light of pears 10 emission different wave lengths, detect light and after pears 10 reflections, obtain reflected light, after reflected light is gathered by the collection terminal that receives optical fiber; By receiving Optical Fiber Transmission to control module 3, handle the pH value that obtains pears 10 by control module 3.
Be provided with the telescoping mechanism 16 of regulating output optical fibre 15 and second condenser lens, 17 spacings; Telescoping mechanism 16 can be regulated the distance of 17 of output optical fibre 15 and second condenser lenses; Promptly regulate the detection light light intensity magnitude of second condenser lens, 17 outputs that output optical fibre 15 receives; Through after the reflection of pears 10, obtain suitable reflected light light intensity, be used for the pH value of pears 10.
Be provided with and place control module 3, the support of illumination module 2 also is provided with the display screen 4 that is used for the indicative control unit result on the support, spectra collection module switch 7 and power switch 6.
The sidewall of camera bellows 11 is provided with two closed slides 12 of vertical layout and the elevating bracket 28 that slides along closed slide 12; The both sides of closed slide 12 are oppositely arranged first rectangular strip 27 and second rectangular strip 29 that has V-thread; Wherein first rectangular strip 27 is fixing; Second rectangular strip 29 can slide up and down, and elevating bracket 28 is an annular, and elevating bracket 28 excircles are provided with the screw thread that is meshed with first rectangular strip 27 and second rectangular strip 29; Elevating bracket 28 is provided with the ferrule 13 that inserts in the camera bellows 11; Output optical fibre 15 and reception optical fiber extend in the camera bellows 11 along ferrule 13, through driving the up-down of second rectangular strip 29, drive elevating bracket 28 and slide up and down along first rectangular strip 27; Engagement between first rectangular strip 27 and second rectangular strip 29 and the elevating bracket 28 can keep the steady up-down of elevating bracket 28 and be convenient to control and calculate the height of up-down.
Mate adopts V-thread, and not only intensity is high, and root of the tooth is thick, and angle of thread is big, and equlvalent coefficient of friction is big, and self-locking property is good, and transmission efficiency is low, after elevating bracket is adjusted to correct position, and position that can the fixed elevated seat.
Illumination module of the present invention 2, spectra collection module and control module 3 are consuming parts; In order to guarantee the operate as normal of illumination module 2, spectra collection module and control module 3; All be not connected with the power supply that is complementary having to be to be understood that under the prerequisite of specified otherwise for illumination module 2, spectra collection module and control module 3; Illumination module 2, spectra collection module and control module 3 can adopt same general supply; Also power supply can be set separately according to actual needs, or realize the transmission of power supply signal through the circuit between illumination module 2, spectra collection module and the control module 3.Spatial relation between each consuming parts does not have strict restriction, but adopts the higher circuit arrangement of integrated level as much as possible for the ease of processing and installation.
When the present invention can measure the device work of a plurality of index parameters of pears simultaneously, with the carpopodium 30 of pears 10 up, fruit calyx 31 down; Put into camera bellows 11, close sliding door 8, regulate elevating bracket 28 height; The collection terminal that makes the transmitting terminal of output optical fibre 15 and receive optical fiber is positioned at the position, equator 32 of pears 10, turns on the power switch 6, the weight G of electronics rotation weighing platform 9 weighing pears 10; Height measuring device 14 is measured the height H of pears 10, and gained information is passed to control module 3, and illumination module 2 is sent the light of 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and 1800nm wavelength; Transmitting terminal through output optical fibre 15 exposes to pears 10, opens spectra collection module switch 7, rotates electronics rotation weighing platform; Every rotation once receives the reflected light signal of these position pears 10 of collection terminal collection of optical fiber, is passed to control module 3; After control module 3 is handled, with the weight of pears 10, highly; Volume, the pH value is presented on the display screen 4.
Utilize the device of the above-mentioned a plurality of index parameters that can measure pears simultaneously to measure the method for many index parameters of pears, may further comprise the steps:
(1) pears is put into said camera bellows, utilize said electronic-weighing rotation platform to measure the weight G of pears, utilize said height measuring device measuring height H;
(2) with the weight G and the height H information Input Control Element of pears, control module calculates the volume V of pears according to formula V=0.218*G+0.123*H-8.8; Wherein, the unit of weight G is g, and the unit of height H is cm, and the unit of V is cm
3
(3) position, equator along pears is determined to few two check points; Said illumination module is sent to these two check points and is detected light, utilizes each check point of spectra collection module collection to be in the reflectivity of wavelength for 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and the pairing pears of 1800nm;
(4) with gained reflectivity Input Control Element, control module is according to multiple linear regression equations: Y=1.258X
1-2.359X
2-1.366X
3+ 2.788X
4-2.515X
5+ 1.932X
6-38.425X
7+ 47.938X
8-2.619X
9-13.084X
10+ 22.126X
11-15.024X
12+ 4.35, calculate the pH value of pears.
Y is a pH value in the pears in the formula; X
1～X
12Be respectively the reflectivity of wavelength 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and the pairing pears of 1800nm.
Say that from microcosmic the active state of forming the molecule of pears receives the energy excitation that detects light, produces the different energy levels transition, absorb and release energy, form corresponding with molecule reflectance spectrum and absorption spectrum.Different chemical bonds, like O-H, N-H, C-H etc., the rotation of chemical bond and stretching vibration absorb the light of specific wavelength in the transition between energy level meeting, and excite the generation characteristic peak, the composition that can judge material according to the intensity and the wave number of characteristic peak.
The vibration information of chemical bonds such as the pH value of used wavelength and pears and the N-H in the related chemical constituents, C-N, N-H is relevant, and what of pH value in the pears are these information can reflect.For example 1438nm has reflected the combination stretching vibration information such as N-H, C-N of pH value and the related chemical constituents of pears; 1710nm has reflected methylene and methine information in the pH value of pears; Hydroxyl and aromatic hydrocarbons information in the pH value of 743nm and 782nm pears; Methine information in the pH value of 1414nm pears is used the multiple linear regression algorithm above-mentioned characteristic wavelength is carried out modeling analysis, sets up the pH value of pears and the linear equation of characteristic wavelength.
The selected characteristic wavelength of the present invention (wherein has a conduct with reference to wavelength; All the other 11 participate in to be calculated) only to the fast detecting of the pH value of pears; Measure other fruit if desired and perhaps measure other indexs of pears, need again selected specific wavelength, through multiple linear regression; Set up model, calculate corresponding desired value.
The index of correlation of utilizing method provided by the invention to set up model is seen table 1; Wherein, when the modeling set representations is set up model, utilize the reflectivity of pears and the pH value match of the pears that the test of existing method obtains to obtain model equation; Forecast set is represented; During prediction, promptly set up model after, the typical curve that the pH value match of using pears to obtain according to model equation obtains.
Table 1
Embodiment 1～10
Utilize apparatus and method provided by the invention to the weight of pears, highly, volume, pH value test, test result is seen table 2.
Table 2
By table 2 data, can find out, utilize the weight of the pears that the inventive method records, highly, volume, pH value be with to have the data that the method test obtains now approaching, utilize weight that the present invention can the fast measuring pears, highly, volume, pH value, reliable results.
Claims (7)
1. can measure the device of a plurality of index parameters of pears simultaneously, it is characterized in that, comprise:
Camera bellows;
Be positioned at said camera bellows, be used to measure the electronic-weighing rotation platform of the weight of pears;
Be positioned at said camera bellows, be used to measure the height measuring device of the height of pears;
Be used for illumination module to pears emitting detection light;
Be used to receive the catoptrical spectra collection module of pears;
Be used to receive the calculated signals sample volume of said electronic-weighing rotation platform and height measuring device, and the control module that is used to receive said spectra collection cell signal calculation sample pH value;
Said illumination module is included in LED pointolite array, reflection lid, first condenser lens, second condenser lens and the output optical fibre of arranging successively on the light path; Said LED pointolite array comprises each one of the LED pointolite of 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and 1800nm, and all LED pointolites are circular arrangement and evenly distribute.
2. the device that can measure a plurality of index parameters of pears simultaneously as claimed in claim 1 is characterized in that, the optical axis of every LED pointolite becomes 30 degree angles along optical path direction with the axis of said annular.
3. the device that can measure a plurality of index parameters of pears simultaneously as claimed in claim 1 is characterized in that, said spectra collection module comprises the light sensor that receives the catoptrical reception optical fiber of sample and receive this reception signal that optical fiber transmits.
4. the device that can measure a plurality of index parameters of pears simultaneously as claimed in claim 3 is characterized in that, the collection terminal of the transmitting terminal of said output optical fibre and reception optical fiber all is positioned at said camera bellows.
5. the device that can measure a plurality of index parameters of pears simultaneously as claimed in claim 4 is characterized in that, is provided with the telescoping mechanism of regulating the output optical fibre and the second condenser lens spacing.
6. the device that can measure a plurality of index parameters of pears simultaneously as claimed in claim 5; It is characterized in that; The sidewall of said camera bellows is provided with two closed slides of vertical layout and the elevating bracket that slides along closed slide; Said elevating bracket is provided with the ferrule that inserts in the camera bellows, and said output optical fibre and reception optical fiber extend in the camera bellows along said ferrule.
7. the arbitrary described device that can measure a plurality of index parameters of pears simultaneously of utilization such as claim 1～6 is measured the method for many index parameters of pears, it is characterized in that, may further comprise the steps:
(1) pears is put into said camera bellows, utilize said electronic-weighing rotation platform to measure the weight G of pears, utilize said height measuring device measuring height H;
(2) with the weight G and the height H information Input Control Element of pears, control module calculates the volume V of pears according to formula V=0.218*G+0.123*H-8.8;
(3) position, equator along pears is determined to few two check points; Said illumination module is sent to these two check points and is detected light, utilizes each check point of spectra collection module collection to be in the reflectivity of wavelength for 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and the pairing pears of 1800nm;
(4) with gained reflectivity Input Control Element, control module is according to multiple linear regression equations: Y=1.258X
1-2.359X
2-1.366X
3+ 2.788X
4-2.515X
5+ 1.932X
6-38.425X
7+ 47.938X
8-2.619X
9-13.084X
10+ 22.126X
11-15.024X
12+ 4.35, calculate the pH value of pears;
Y is a pH value in the pears in the formula; X
1～X
12Be respectively the reflectivity of wavelength 424nm, 546nm, 590nm, 619nm, 743nm, 782nm, 1002nm, 1256nm, 1414nm, 1438nm, 1710nm and the pairing pears of 1800nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210286960.XA CN102778444B (en) | 2012-08-13 | 2012-08-13 | Device and method capable of simultaneously measuring multiple index parameters of pear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210286960.XA CN102778444B (en) | 2012-08-13 | 2012-08-13 | Device and method capable of simultaneously measuring multiple index parameters of pear |
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| Publication Number | Publication Date |
|---|---|
| CN102778444A true CN102778444A (en) | 2012-11-14 |
| CN102778444B CN102778444B (en) | 2014-08-06 |
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| CN201210286960.XA Expired - Fee Related CN102778444B (en) | 2012-08-13 | 2012-08-13 | Device and method capable of simultaneously measuring multiple index parameters of pear |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822694A (en) * | 2014-02-21 | 2014-05-28 | 山东省农业科学院农业质量标准与检测技术研究所 | Near infrared winter jujube weighing and quality detecting instrument |
| CN104374719A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness rapid detection device and detection method |
| CN104374708A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | Beef freshness detection device and detection method |
| CN104374707A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness detection device and detection method |
| CN104374709A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness rapid nondestructive detection device and detection method |
| CN112098415A (en) * | 2020-08-06 | 2020-12-18 | 杭州电子科技大学 | Nondestructive testing method for quality of waxberries |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779390Y (en) * | 2004-09-08 | 2006-05-10 | 江苏大学 | Diffuse reflection detector for near infrared konfyt acidity analysis |
| CN101008611A (en) * | 2007-01-12 | 2007-08-01 | 浙江大学 | Portable fruit sugar content non-destructive detection device capable of weighing |
| CN201545683U (en) * | 2009-08-10 | 2010-08-11 | 滕慧鹏 | Elevating guide |
| CN102048525A (en) * | 2011-01-26 | 2011-05-11 | 浙江大学 | Organism fluorescent three-dimensional imaging system and application thereof |
-
2012
- 2012-08-13 CN CN201210286960.XA patent/CN102778444B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779390Y (en) * | 2004-09-08 | 2006-05-10 | 江苏大学 | Diffuse reflection detector for near infrared konfyt acidity analysis |
| CN101008611A (en) * | 2007-01-12 | 2007-08-01 | 浙江大学 | Portable fruit sugar content non-destructive detection device capable of weighing |
| CN201545683U (en) * | 2009-08-10 | 2010-08-11 | 滕慧鹏 | Elevating guide |
| CN102048525A (en) * | 2011-01-26 | 2011-05-11 | 浙江大学 | Organism fluorescent three-dimensional imaging system and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘燕德等: "基于LED组合光源的水晶梨可溶性固形物和大小在线检测", 《农业工程学报》, vol. 26, no. 11, 30 November 2010 (2010-11-30) * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822694A (en) * | 2014-02-21 | 2014-05-28 | 山东省农业科学院农业质量标准与检测技术研究所 | Near infrared winter jujube weighing and quality detecting instrument |
| CN104374719A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness rapid detection device and detection method |
| CN104374708A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | Beef freshness detection device and detection method |
| CN104374707A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness detection device and detection method |
| CN104374709A (en) * | 2014-08-18 | 2015-02-25 | 浙江工商大学 | New beef freshness rapid nondestructive detection device and detection method |
| CN104374719B (en) * | 2014-08-18 | 2017-01-18 | 浙江工商大学 | New beef freshness rapid detection device and detection method |
| CN104374708B (en) * | 2014-08-18 | 2017-04-26 | 浙江工商大学 | Beef freshness detection device and detection method |
| CN112098415A (en) * | 2020-08-06 | 2020-12-18 | 杭州电子科技大学 | Nondestructive testing method for quality of waxberries |
| CN112098415B (en) * | 2020-08-06 | 2022-11-18 | 杭州电子科技大学 | Nondestructive testing method for quality of waxberries |
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