CN206497036U - A kind of portable crop nitrogen nutrition monitors spectrometer - Google Patents
A kind of portable crop nitrogen nutrition monitors spectrometer Download PDFInfo
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- CN206497036U CN206497036U CN201720011799.3U CN201720011799U CN206497036U CN 206497036 U CN206497036 U CN 206497036U CN 201720011799 U CN201720011799 U CN 201720011799U CN 206497036 U CN206497036 U CN 206497036U
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- spectrometer
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Abstract
The utility model provides a kind of portable crop nitrogen nutrition and monitors spectrometer, including：Main control module, lens control module, display module, image capture module, filtration module, reflectivity extraction module, power supply module and shell.Wherein：Image capture module includes Built-in lenses and lens turret, and main control module is connected with lens control module, display module, image capture module, reflectivity extraction module and power supply module respectively, and filtration module is connected with reflectivity extraction module and image capture module.The utility model uses high light spectrum image-forming technology, by the reflectivity values for gathering 554nm wave bands, 678nm wave bands, 720nm wave bands, 5 characteristic wave bands of 736nm wave bands and 773nm wave bands, to further determine that whether nitrogen content has played place mat in normal range (NR), the utility model is easy to carry, low cost and efficiency high, efficiently solves conventional spectrometers Portable belt, price be not high and the problem of low efficiency.
Description
Technical field
The utility model is related to agricultural technology field, and light is monitored in particular to a kind of portable crop nitrogen nutrition
Spectrometer.
Background technology
《National Agricultural modernization planning (2016-2020)》Clearly propose based on me, base on our country, ensure production capacity,
Appropriateness outlet, the national food security strategy of science and technology support.In recent years, agricultural technology renovation is to driving major grain producing area grain to increase
Production, quality-improving, to promoting economic sustainable and healthy development, is made that tremendous contribution.Wherein, how work is simultaneously and dynamically monitored
Thing nitrogen nutritional status, scientific guidance fertilising, irrigate etc. field operation, increasingly by agricultural research staff and enterprise, cooperation
Society and the concern of peasant household.
Traditional crop nitrogen monitoring method has outward appearance diagnosis, chemical diagnosis and chlorophyll meter diagnosis.Although outward appearance is diagnosed
Intuitively, it is but higher to observer's skill requirement, and easily occur obscuring and judge by accident；Chemical diagnosis is the most accurate, but time and effort consuming
And need to carry out crop destructive sampling；Chlorophyll meter diagnosis can only reflect individual plant crop nourishment, it is impossible to reflect big model
Enclose farmland nutrition condition.
The appearance of high light spectrum image-forming technology for dynamic, nondestructively monitoring crop nitrogen nutrition provide an effective way.
Analyzed by the canopy to certain class crop or blade hyper spectral reflectance, it is determined that available for the spy for accurately reflecting nitrogen content
Wave band is levied, the method construction feature wave band and the mathematical modeling of nitrogen content of statistical analysis or data mining is utilized.Afterwards, in agriculture
, only need to be by the canopy or blade of crop in feature if necessary to monitor such crop nitrogen content in real time in industry production practices
Reflectivity under wave band substitutes into well-established mathematical modeling and draws actual value, is contrasted with empirical value, you can learn crop
Nitrogen content whether belong to normal range (NR).
Utility model content
The utility model provides a kind of portable crop nitrogen nutrition monitoring spectrometer, to solve conventional spectrometers inconvenience
Carry, the problem of price is high, efficiency is low.
To reach above-mentioned purpose, the utility model provides a kind of portable crop nitrogen nutrition and monitors spectrometer, including：
Main control module, lens control module, display module, image capture module, filtration module, reflectivity extraction module, power supply module
And shell, wherein:
Main control module respectively with lens control module, display module, image capture module, reflectivity extraction module and power supply
Module is connected；
Image capture module includes Built-in lenses and lens turret, and lens turret is provided with 5 optical filtering camera lenses, 5 optical filterings
Camera lens corresponds to 554nm wave bands, 678nm wave bands, 720nm wave bands, 736nm wave bands and 773nm wave bands respectively, and Built-in lenses are used to divide
The corresponding spectrum picture of above-mentioned 5 wave bands is not gathered；
Filtration module is connected with reflectivity extraction module and image capture module, for being corresponded to respectively to above-mentioned 5 wave bands
Spectrum picture noise reduction；
Lens control module is used to drive the lens turret to rotate, so that one of optical filtering camera lens and the built-in mirror
Head is aligned；
Reflectivity extraction module in distinguishing corresponding spectrum picture from 5 wave bands after noise reduction for extracting spectral reflectivity
Numerical value；
Main control module, lens control module, Built-in lenses, filtration module, reflectivity extraction module and power supply module are set
In enclosure, display module and lens turret are arranged at case surface.
Further, main control module is a dsp chip.
Further, shell be pistol shape, shell have a main body and a hand holding handle, hand holding handle provided with power switch,
Cover hand strap and charging hole.
Further, display module is a liquid crystal display.
Further, lens turret be surrounded by outer pulley and center be provided with nut, shell be provided with outer pulley card
Groove and screw, outer pulley neck match with outer pulley, and screw matches with nut, and lens control module control screw turns
It is dynamic, to drive one of optical filtering camera lens in lens turret to be aligned with Built-in lenses.
The utility model uses high light spectrum image-forming technology, by gather 554nm wave bands, 678nm wave bands, 720nm wave bands,
The reflectivity values of 5 characteristic wave bands of 736nm wave bands and 773nm wave bands, are further construction feature wave band and nitrogen content
Mathematical modeling and the actual value that crop nitrogen content is drawn according to mathematical modeling, and compared with empirical value and just can learn nitrogen content
Whether place mat has been played in normal range (NR), and the utility model is easy to carry, low cost and efficiency high, efficiently solves tradition
Portable belt, price be not high and the problem of low efficiency for spectrometer.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is each structure connection inside the portable crop nitrogen nutrition monitoring spectrometer of the utility model one embodiment
Schematic diagram；
Fig. 2 illustrates for the portable crop nitrogen nutrition monitoring spectrometer overall structure of the utility model one embodiment
Figure；
Fig. 3 shows for the portable crop nitrogen nutrition monitoring spectrometer lens turret structure of the utility model one embodiment
It is intended to.
Description of reference numerals：1- display modules；2- main control modules；3- power supply modules；4- reflectivity extraction modules；5- is filtered
Module；6- image capture modules；7- lens control modules；8- shells；9- power switches；10- hand holding handles；11- covers hand strap；12-
Charging hole；13- Built-in lenses；14- screws；The outer pulley necks of 15-；16- optical filterings camera lens 1；17- optical filterings camera lens 2；18- nuts；
19- optical filterings camera lens 3；20- optical filterings camera lens 4；21- optical filterings camera lens 5；The outer pulleys of 22-.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is paid
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1 is each structure connection inside the portable crop nitrogen nutrition monitoring spectrometer of the utility model one embodiment
Schematic diagram, Fig. 2 monitors spectrometer overall structure diagram for the portable crop nitrogen nutrition of the utility model one embodiment,
Fig. 3 monitors spectrometer lens turret structural representation for the portable crop nitrogen nutrition of the utility model one embodiment, such as
Shown in Fig. 1, Fig. 2 and Fig. 3, portable crop nitrogen nutrition monitoring spectrometer includes：Display module 1, main control module 2, power supply mould
Block 3, reflectivity extraction module 4, filtration module 5, image capture module 6, lens control module 7, shell 8, power switch 9, hand
Hold handle 10, set hand strap 11, charging hole 12, Built-in lenses 13, screw 14, outer pulley neck 15, the filter of the first optical filtering camera lens 16, second
Light microscopic first 17, nut 18, the 3rd optical filtering camera lens 19, the 4th optical filtering camera lens 20, the 5th optical filtering camera lens 21, outer pulley 22, wherein：
Main control module 2 respectively with lens control module 7, display module 1, image capture module 6, reflectivity extraction module 4
And power supply module 3 is connected；
Image capture module 6 includes Built-in lenses 13 and lens turret, and lens turret is provided with the first optical filtering camera lens to the
Five optical filtering camera lenses totally 5 optical filtering camera lenses, wherein, the corresponding 554nm wave bands of the first optical filtering camera lens 16, the correspondence of the second optical filtering camera lens 17
678nm wave bands, the corresponding 720nm wave bands of the 3rd optical filtering camera lens 19, the corresponding 736nm wave bands of the 4th optical filtering camera lens 20, the 5th optical filtering
First 21 corresponding 773nm wave bands, Built-in lenses 13 are used to gather the corresponding spectrum picture of above-mentioned 5 wave bands respectively；
Filtration module 5 is connected with reflectivity extraction module 4 and image capture module 6, for right respectively to above-mentioned 5 wave bands
The spectrum picture noise reduction answered；
Lens control module 7 is used to drive the lens turret to rotate so that one of optical filtering camera lens with it is described built-in
Camera lens 13 is aligned；
Reflectivity extraction module 4 in distinguishing corresponding spectrum picture from 5 wave bands after noise reduction for extracting spectral reflectance
Rate score；
Main control module 2, lens control module 7, Built-in lenses 13, filtration module 5, reflectivity extraction module 4 and power supply mould
Block 3 is arranged inside shell 8, and display module 1 and lens turret are arranged at the surface of shell 8.
Further, main control module 2 is a dsp chip.
Further, shell 8 is pistol shape, and shell 8 has a main body and a hand holding handle 10, and hand holding handle 10 is provided with power supply
Switch 9, set hand strap 11 and charging hole 12.
Further, display module 1 is a liquid crystal display.
Further, lens turret be surrounded by outer pulley 22 and center be provided with nut 18, shell 8 be provided with outer cunning
Neck 15 and screw 14 are taken turns, outer pulley neck 15 matches with outer pulley 22, and screw 14 matches with nut 18, lens control
The control screw 14 of module 7 is rotated, to drive one of optical filtering camera lens in lens turret to be aligned with Built-in lenses 13.
Optical filtering lens turret in the utility model is detachable, convenient to replace other filters head, in addition, this practicality
The module that other new modules can have identical function with other is replaced, to realize more perfect function.
The course of work of portable crop nitrogen nutrition monitoring spectrometer is as follows：
(1) screw 14 of the nut 18 on lens turret and instrument fuselage is screwed up so that Built-in lenses 13 and first are filtered
Light microscopic first 16 is aligned, and presses power switch 9；
(2) user grips hand holding handle 10 so that the first optical filtering camera lens 16 is directed at influences of plant crown or blade, main control module
2 control image capture modules 6 gather the first width spectrum picture；
(3) the first width spectrum picture that 5 pairs of filtration module is collected carries out noise reduction；
(4) reflectivity extraction module 4 extracts the reflectivity values of the first width spectrum picture after noise reduction；
(5) the control lens control of main control module 2 module 7 rotates screw 14, and screw 14 drives lens turret to rotate and make
Second optical filtering camera lens 17 is aligned with Built-in lenses 13, then repeat step (2)~(4), until having gathered the first optical filtering 16
To the corresponding first width spectrum picture of 21 difference of the 5th optical filtering to the reflectivity values of the 5th width spectrum picture, main control module
2 control this 5 reflectivity values to be shown by display module 1.
The utility model uses high light spectrum image-forming technology, by gather 554nm wave bands, 678nm wave bands, 720nm wave bands,
The reflectivity values of 5 characteristic wave bands of 736nm wave bands and 773nm wave bands, are further construction feature wave band and nitrogen content
Mathematical modeling and the actual value that crop nitrogen content is drawn according to mathematical modeling, and compared with empirical value and just can learn nitrogen content
Whether place mat has been played in normal range (NR), and the utility model is easy to carry, low cost and efficiency high, efficiently solves tradition
Portable belt, price be not high and the problem of low efficiency for spectrometer.
One of ordinary skill in the art will appreciate that：Accompanying drawing be module in the schematic diagram of one embodiment, accompanying drawing or
Flow is not necessarily implemented necessary to the utility model.
One of ordinary skill in the art will appreciate that：The module in device in embodiment can be according to embodiment description point
It is distributed in the device of embodiment, respective change can also be carried out and be disposed other than in one or more devices of the present embodiment.On
The module for stating embodiment can be merged into a module, can also be further split into multiple submodule.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still be modified to the technical scheme described in previous embodiment, or which part technical characteristic is equal
Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model embodiment technical scheme
Spirit and scope.
Claims (5)
1. a kind of portable crop nitrogen nutrition monitors spectrometer, it is characterised in that including：Main control module, lens control module,
Display module, image capture module, filtration module, reflectivity extraction module, power supply module and shell, wherein:
The main control module respectively with the lens control module, the display module, described image acquisition module, the reflection
Rate extraction module and power supply module connection；
Described image acquisition module includes Built-in lenses and lens turret, and the lens turret is provided with 5 optical filtering camera lenses, 5
Optical filtering camera lens corresponds to 554nm wave bands, 678nm wave bands, 720nm wave bands, 736nm wave bands and 773nm wave bands, the built-in mirror respectively
Head is used to gather the corresponding spectrum picture of above-mentioned 5 wave bands respectively；
The filtration module is connected with the reflectivity extraction module and described image acquisition module, for above-mentioned 5 wave bands
The corresponding spectrum picture noise reduction of difference；
The lens control module is used to drive the lens turret to rotate, so that one of optical filtering camera lens and the built-in mirror
Head is aligned；
The reflectivity extraction module in distinguishing corresponding spectrum picture from 5 wave bands after noise reduction for extracting spectral reflectivity
Numerical value；
The main control module, the lens control module, the Built-in lenses, the filtration module, the reflectivity extract mould
Block and the power supply module are arranged at the enclosure, and the display module and the lens turret are arranged at the shell table
Face.
2. portable crop nitrogen nutrition according to claim 1 monitors spectrometer, it is characterised in that the main control module
For a dsp chip.
3. portable crop nitrogen nutrition according to claim 1 monitors spectrometer, it is characterised in that the shell is hand
Gun, the shell has a main body and a hand holding handle, and the hand holding handle is provided with power switch, set hand strap and charging hole.
4. portable crop nitrogen nutrition according to claim 1 monitors spectrometer, it is characterised in that the display module
For a liquid crystal display.
5. portable crop nitrogen nutrition according to claim 1 monitors spectrometer, it is characterised in that the lens turret
Be surrounded by outer pulley and center be provided with nut, the shell be provided with outer pulley neck and screw, the outer pulley
Neck matches with the outer pulley, and the screw matches with the nut, and the lens control module controls the screw
Rotate, to drive one of optical filtering camera lens in the lens turret to be aligned with the Built-in lenses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720011799.3U CN206497036U (en) | 2017-01-05 | 2017-01-05 | A kind of portable crop nitrogen nutrition monitors spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720011799.3U CN206497036U (en) | 2017-01-05 | 2017-01-05 | A kind of portable crop nitrogen nutrition monitors spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206497036U true CN206497036U (en) | 2017-09-15 |
Family
ID=59802950
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720011799.3U Expired - Fee Related CN206497036U (en) | 2017-01-05 | 2017-01-05 | A kind of portable crop nitrogen nutrition monitors spectrometer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088818A (en) * | 2017-12-19 | 2018-05-29 | 中国农业大学 | A kind of vehicular soil moisture content and total nitrogen content spectral measurement system and method |
| CN108088819A (en) * | 2018-02-07 | 2018-05-29 | 中国科学院南海海洋研究所 | A kind of hand-held sediment underwater spectral measurement instrument |
| CN109932340A (en) * | 2017-12-18 | 2019-06-25 | 株式会社有机尼科 | Living body for measuring the growth conditions measuring device of crop in cultivation keeps structural body |
| CN110346305A (en) * | 2019-07-17 | 2019-10-18 | 浙江大学 | A kind of method and apparatus measuring plant leaf blade nitrogen content |
-
2017
- 2017-01-05 CN CN201720011799.3U patent/CN206497036U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932340A (en) * | 2017-12-18 | 2019-06-25 | 株式会社有机尼科 | Living body for measuring the growth conditions measuring device of crop in cultivation keeps structural body |
| CN109932340B (en) * | 2017-12-18 | 2022-02-25 | 株式会社有机尼科 | Living body holding structure for growth state measuring device of crop in cultivation |
| CN108088818A (en) * | 2017-12-19 | 2018-05-29 | 中国农业大学 | A kind of vehicular soil moisture content and total nitrogen content spectral measurement system and method |
| CN108088819A (en) * | 2018-02-07 | 2018-05-29 | 中国科学院南海海洋研究所 | A kind of hand-held sediment underwater spectral measurement instrument |
| CN108088819B (en) * | 2018-02-07 | 2020-08-18 | 中国科学院南海海洋研究所 | Hand-held type seabed bottom matter is spectral measurement appearance under water |
| CN110346305A (en) * | 2019-07-17 | 2019-10-18 | 浙江大学 | A kind of method and apparatus measuring plant leaf blade nitrogen content |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20200105 |