CN106226465B - A kind of method and device of Accurate Determining double-side photic blade light intensity - Google Patents
A kind of method and device of Accurate Determining double-side photic blade light intensity Download PDFInfo
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- CN106226465B CN106226465B CN201610519685.XA CN201610519685A CN106226465B CN 106226465 B CN106226465 B CN 106226465B CN 201610519685 A CN201610519685 A CN 201610519685A CN 106226465 B CN106226465 B CN 106226465B
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Abstract
The invention discloses a kind of method and device of Accurate Determining double-side photic blade light intensity, this method includes that S1 measures the first measurement light source to the intensity of the incident light between blade one side；S2 measures the first intensity for measuring light source through emergent light after blade one side；S3 measures second and measures light source to the intensity of the incident light between blade another side；S4 measures the second intensity for measuring light source through emergent light after vacuum side of blade another side；S5 calculates the practical intensity of illumination for obtaining the blade and receiving according to S1 S4.The present invention can not only meet to the two-sided measurement of blade, additionally it is possible to accurately reflect the practical light reception intensity of blade, and then improve the precision measured.
Description
Technical field
Plant physiology analysis technical field of the present invention, the espespecially a kind of method and dress of Accurate Determining double-side photic blade light intensity
It sets.
Background technology
Photosynthesis, that is, luminous energy synthesis refers to containing chloroplaset green plants, animal and certain bacteriums, in visible light
Irradiation under, (being once called as dark reaction) is reacted by light reaction and carbon, using photosynthetic pigments, by carbon dioxide (or hydrogen sulfide) and water
Be converted into organic matter, and release oxygen (or hydrogen) biochemical process and plant physiology metabolic process in most importantization
Learn reaction.And photosynthetic measurement and research are always plant physiology, phytoecology, agronomy, forestry, gardening, algae
The hot spot in the fields such as class Physiological Ecology.
The photosynthesis of plant can be influenced by a variety of environmental factors, and wherein light reception intensity is that influence is photosynthetic heavy
Want factor.Illumination is that plant leaf blade carries out photosynthetic energy source, and the strong of illumination will have a direct impact on the photosynthetic of blade with weak
Rate.For the same blade under different light reception intensities, photosynthetic rate is also different.Therefore photosynthetic measuring instrument, such as
Photosynthetic instrument, luminoscope etc. are required for measuring the light reception intensity of blade while measuring photosynthetic rate.If being unable to Accurate Determining
The light reception intensity of blade will seriously reduce the application value of photosynthetic measuring instrument.
Currently, the method for measuring blade light reception intensity is to place a light quantum sensor beside blade to be measured, pass through
The intensity of incident light is measured to represent the light reception intensity of blade.But this method is only capable of measuring the light reception intensity of blade surface, with
The progress of the raising and determination techniques of measurement accuracy requirement, certain photosynthetic measuring apparatus are needed from front-back two-sided while to blade
Irradiation.Under these conditions, the practical light situation of blade just becomes more complicated, only by measuring the intensity of incident light, nothing
By being single side measurement or two-sided measurement, the practical light reception intensity of blade cannot be accurately reflected, this has become the complicated light of research
The technical bottleneck of photosynthesis measuring apparatus according under the conditions of.This will be seriously affected for the higher research equipment of required precision
Its application effect and application value.
Invention content
The object of the present invention is to provide a kind of method and devices of Accurate Determining double-side photic blade light intensity, can not only expire
The two-sided measurement of foot, additionally it is possible to accurately reflect the practical light reception intensity of blade, and then improve the precision measured.
Technical solution provided by the invention is as follows：
A kind of method of Accurate Determining double-side photic blade light intensity, which is characterized in that including：
S1 measures first and measures light source to the intensity of the incident light between blade one side；
S2 measures the first intensity for measuring light source through emergent light after blade one side；
S3 measures second and measures light source to the intensity of the incident light between blade another side；
S4 measures the second intensity for measuring light source through emergent light after blade another side；
S5 calculates the practical intensity of illumination for obtaining the blade and receiving according to S1-S4.
The technical program measures light source to the intensity of the incident light between blade one side by the first of measurement, and penetrates
The intensity of emergent light after blade one side, while it is strong to the incident light between blade another side also to measure the second measurement light source
Degree, and through the intensity of emergent light after blade another side, the practical intensity of illumination that blade receives can be calculated, reach double
Face measures, additionally it is possible to accurately reflect the practical light reception intensity of blade, and then improve the precision measured.
Preferably, blade one side surface layer intensity of illumination is obtained according to S1 and S4, which is the blade one
The intensity summation of the intensity of face incident light and the blade another side emergent light.
Preferably, blade another side surface layer intensity of illumination is obtained according to S2 and S3, which is the blade
The intensity summation of the intensity of another side incident light and one face emergent light of the blade.
Since blade has certain translucency, blade one side surface layer light intensity be incident light intensity and emergent light it is strong
The summation of degree.Same blade another side surface layer intensity of illumination is the summation of the intensity of incident light and the intensity of emergent light.
Preferably, the practical intensity of illumination of the blade is the blade average light intensity.
Since the actual light intensity that blade receives is the average value of entire blade light intensity, so by calculating entire blade light
Strong average value, you can obtain the actual light intensity that entire blade receives.
Preferably, when the one side of the blade is measured light source by described first to be injected, the another side of the blade by
When measuring light source injection to described second, the calculation of the practical intensity of illumination of blade is：
Wherein, a is intensity of the first measurement light source to the incident light between blade one side；A ＇ are that the first measurement light source penetrates
The intensity of emergent light after blade one side；B is intensity of the second measurement light source to the incident light between blade another side；B ＇ second are surveyed
Determine intensity of the light source through emergent light after blade another side.
Preferably, when the one side of the blade is measured light source by described first to be injected, the another side of the blade enters
The intensity for penetrating light is zero, and the calculation of the practical intensity of illumination of blade is：
Wherein, a is intensity of the first measurement light source to the incident light between blade one side；A ＇ are that the first measurement light source penetrates
The intensity of emergent light after blade one side.
A kind of device of Accurate Determining double-side photic blade light intensity is additionally provided in the present invention, including：
First intensity of illumination measuring device, for measuring the first measurement light source to the intensity of the incident light between blade one side
And show the illumination intensity value of measurement with data mode, and measure first and measure light source through emergent light after blade one side
Intensity and the illumination intensity value of measurement is shown with data mode；
Second intensity of illumination measuring device, for measuring second, to measure light source strong to the incident light between blade another side
The illumination intensity value of degree shows with data mode, and measure second measure light source through after blade another side emergent light it is strong
The illumination intensity value of degree is shown with data mode.
In the technical program, carried out by the first intensity of illumination measuring device of setting and the second intensity of illumination measuring device
It measures, and obtains specific intensity of illumination data.
Preferably, the first intensity of illumination measuring device and the second intensity of illumination measuring device are arranged at described
The both sides of blade, and be respectively facing described first and measure light source and the second measurement light source.
First intensity of illumination measuring device and the second intensity of illumination measuring device are arranged in the both sides of blade, and by direction
Respectively respectively towards light source is measured, the intensity of illumination that blade is an actually-received can be measured as far as possible, and then it is strong to improve illumination
The measurement accuracy of degree.
Preferably, the first intensity of illumination measuring device and the second intensity of illumination measuring device specifically use photosynthetic
One kind in instrument, luminoscope or light quantum meter.
A kind of method and device of the Accurate Determining double-side photic blade light intensity provided through the invention, can bring following
At least one advantageous effect：
1, the intensity of illumination measuring device that the present invention is arranged by blade both sides is realized same to the intensity of illumination of blade both sides
When measure, the intensity of illumination as obtained by two-sided measurement effectively calculates the practical light reception intensity of blade.
2, use the practical intensity of illumination of blade for this feature of blade average light intensity in the present invention, to calculate leaf
The practical intensity of illumination of piece.And measurement result can directly be shown by intensity of illumination measuring device in the form of data, test
Personnel intuitively can be accurately obtained relevant intensity of illumination data.
3, two intensity of illumination measuring devices are arranged in blade both sides in the present invention, the accuracy of measurement can be improved,
And then improve the final practical intensity of illumination numerical value of blade for calculating gained.
4, measurement method of the present invention is simple, and the practical intensity of illumination Numerical accuracy of the blade that survey calculation obtains is high, more excellent
Be to break through the drawbacks of existing intensity of illumination measuring device can not carry out two planar survey.
Description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, it is two-sided to a kind of Accurate Determining by
Above-mentioned characteristic, technical characteristic, advantage and its realization method of the method and device of light blade light intensity are further described.
Fig. 1 is a kind of key step schematic diagram of the method for Accurate Determining double-side photic blade light intensity of the present invention；
Fig. 2 is a kind of meaning for the specific embodiment that the method for Accurate Determining double-side photic blade light intensity measures of the present invention
Figure；
Fig. 3 is a kind of another specific embodiment that the method for Accurate Determining double-side photic blade light intensity measures of the present invention
It is intended to.
Drawing reference numeral explanation：
First measures light source A；Second measures light source B；Blade C.
Specific implementation mode
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, control is illustrated below
The specific implementation mode of the present invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing, and obtain other embodiments.
Illustrate to be more clear, the arrow in attached drawing 2,3 of the present invention is the injection direction of light.
A kind of method of Accurate Determining double-side photic blade light intensity of the present invention is mainly measured using existing intensity of illumination
Device is monitored, and intensity of illumination measuring device is mounted on to the both sides of blade, for the key structure and work(of the prominent present invention
Can, the specific mounting means of intensity of illumination measuring device is omitted.
As a specific embodiment of the invention, as shown in Figure 1, a kind of side of Accurate Determining double-side photic blade light intensity
Method, including S1 measure first measure light source to blade the incident light between (when i.e. light application time is longer) intensity；
S2 measures the first intensity for measuring light source through emergent light after blade one side；S3 measures second and measures light source to blade another side
The intensity of incident light between (i.e. the shorter one side of light application time)；S4 measures after the second measurement light source penetrates blade another side
Penetrate the intensity of light；The practical intensity of illumination that blade receives is calculated according to S1-S4 by S5.
The practical intensity of illumination of blade of the present invention be according to blade one side and another side incident light intensity, and penetrate blade
Emergent light Strength co-mputation obtain.Blade can be accurately reflected is actually illuminated by the light intensity, and then improves the precision measured.
Effectively judge the intensity of illumination suffered by blade, provides accurate light intensity data for photosynthetic measuring apparatus, make photosynthetic measuring instrument
The data acquisition of device is actually illuminated by the light intensity closer to blade.
It, can be according to the strong of the first measurement light source of step S1 measurements to the incident light between blade one side when specific measurement
Degree；And S4 measures the second intensity for measuring light source through emergent light after blade another side, calculates and obtains blade one side surface layer light
According to intensity, (i.e. the intensity of one face incident light of blade is emitted both blade one side surface layer intensity of illumination is summation with blade another side
The summation of the intensity of light)；The first intensity for measuring light source through emergent light after blade one side can be also measured according to S2；And S3 is surveyed
Flow control two measures light source to the intensity of the incident light between blade another side, and it is two to calculate blade another side surface layer intensity of illumination
Person's summation (i.e. the intensity summation of the intensity of blade another side incident light and one face emergent light of blade) is calculated finally by step S5
Obtain the practical intensity of illumination that the blade receives.
It should be noted that since the practical intensities of illumination of blade C are the average light intensity that blade C Surface is subject to,
According to obtained two summations of above-mentioned calculating can directly calculate and can get the practical intensities of illumination of blade C.
And blade C to be measured is placed in the first measurement light source A and second and measures among light source two light sources of B, respectively from blade C mono-
Face and another side are to light.And first measure light source A and second measure light source two light sources of B brightness may it is identical may not also
Together, and blade C is likely located at two light source middles, it is also possible to which the one of light source that measures of distance is closer, and the party can be used
Method determines the actual light intensity that blade C is received.
In the embodiment one of specific survey calculation：
Shown in Fig. 2, when the one side of blade C is measured light source A by first to be injected, the another side of blade C is by the
Two, which measure light source B, injects, and the calculation of the practical intensities of illumination of blade C is：
Wherein it should be noted that a is intensity of the first measurement light source A to the incident light between blade C one sides；A ＇ are first
Measure intensity of the light source A through emergent light after blade C one sides；B measures light source B to the incidence between blade C another sides for second
The intensity of light；B ＇ are the second intensity for measuring light source B through emergent light after blade C another sides.
In the embodiment two of specific survey calculation：
When the one side of blade C is measured light source A by first to be injected, the another side of blade C measures light source B without second and injects
When, the calculation of the practical intensities of illumination of blade C is：
Wherein it should be noted that a is intensity of the first measurement light source A to the incident light between blade C one sides；A ＇ are first
Measure intensity of the light source A through emergent light after blade C one sides.
Incident intensity is measured using simple when such as measuring the light intensity of unilateral irradiation blade according to the prior art, i.e.,：Leaf
The actual light intensity that piece C receives is a.
Therefore, it can also be used to correcting the error that existing unilateral light intensity assay method is brought using the method for above-mentioned measurement, make
Its is more acurrate, and then improves the accuracy of measurement data, is shown in Table 1.
1 specific measured data of table：
From measured data it can be seen that：The determination techniques of existing simple incident intensity can not accurately reflect the practical light of blade
By force, measurement method of the present invention can more truely and accurately reflect the practical light situation of blade.Through the invention, it can be light
Cooperation provides accurate light intensity data with measuring apparatus.
It should be noted that obtained data in above-mentioned table 1, be by blade C be put into the scientific research apparatus of the double light sources of band into
What row measured, and then can determine the actual light intensity of blade.
And the blade grown in nature, the incident light that both direction can be received on practical blade shine：Blade one side
Receive the direct irradiation of sunlight, blade another side can be by the reflective irradiation in ground.Although the reflective intensity in ground is less than sunlight
Direct projection, but still the photosynthesis of blade can be had an impact.Ground intensity of light reflection can be by ground material, soil constituent, aqueous
The influence of many factors such as amount, covering so that the light situation of blade becomes increasingly complex.And how to determine raw in nature
The practical intensity of illumination of long blade still may be used above-mentioned method and measure.
Shown in referring to Fig. 3, the practical intensities of illumination of blade C still can more accurately be obtained using the method for above-mentioned measurement,
It is shown in Table 2.
2 specific measured data of table：
From measured data it can be seen that：The determination techniques of existing simple incident intensity can not accurately reflect the practical light of blade
According to intensity, the blade actual light intensity in natural environment can be influenced by ground intensity of light reflection and blade itself light transmission situation.This
The invention measurement method can more truely and accurately reflect the practical light situation of blade.Through the invention, it can be photosynthetic work
Accurate light intensity data is provided with measuring apparatus.
A kind of device of Accurate Determining double-side photic blade light intensity is additionally provided in the present invention, includes specifically the first light
According to strength meter (not shown), for measuring the first measurement light source A to the intensity of the incident light between blade C one sides
And show the illumination intensity value of measurement with data mode, and measure after the first measurement light source A penetrates blade C one sides and be emitted
The intensity of light is simultaneously shown the illumination intensity value of measurement with data mode；It is also provided with the second intensity of illumination measuring device simultaneously
(not shown), for measuring the second measurement light source B to the intensity of illumination of the intensity of the incident light between blade C another sides
Value is shown with data mode, and the second measurement light source B of measurement strong through the illumination of the intensity of emergent light after blade C another sides
Angle value is shown with data mode.
The present invention Accurate Determining double-side photic blade light intensity device embodiment in, the first intensity of illumination measuring device and
Second intensity of illumination measuring device is arranged at the both sides of blade C, and is respectively facing the first measurement light source A and second and measures light source
B.It should be noted that the specific mounting means of the first intensity of illumination measuring device and the second intensity of illumination measuring device is not done into one
The restriction of step, it is only necessary to which guarantee is close to blade C, can further ensure the intensity of illumination measured close to blade C in this way
Suffered practical intensity of illumination.
It of courses in other embodiments, the first intensity of illumination measuring device and the second intensity of illumination measuring device can adopt
With one kind in the photosynthetic instrument, luminoscope or light quantum meter that can directly buy currently on the market.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the preferred of the present invention
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of method of Accurate Determining double-side photic blade light intensity, which is characterized in that including：
S1 measures first and measures light source to the intensity of the incident light between blade one side；
S2 measures the first intensity for measuring light source through emergent light after blade one side；
S3 measures second and measures light source to the intensity of the incident light between blade another side；
S4 measures the second intensity for measuring light source through emergent light after blade another side；
S5 calculates the practical intensity of illumination for obtaining the blade and receiving according to S1-S4；
The practical intensity of illumination of blade is the blade average light intensity.
2. the method for Accurate Determining double-side photic blade light intensity according to claim 1, it is characterised in that：
Blade one side surface layer intensity of illumination is obtained according to S1 and S4, which is the strong of one face incident light of the blade
The intensity summation of degree and the blade another side emergent light.
3. the method for Accurate Determining double-side photic blade light intensity according to claim 2, it is characterised in that：
Blade another side surface layer intensity of illumination is obtained according to S2 and S3, which is the blade another side incident light
Intensity and one face emergent light of the blade intensity summation.
4. the method for Accurate Determining double-side photic blade light intensity according to claim 3, it is characterised in that：
When the one side of the blade is measured light source by described first to be injected, the another side of the blade is surveyed by described second
When determining light source injection, the calculation of the practical intensity of illumination of blade is：
Wherein, a is intensity of the first measurement light source to the incident light between blade one side；A ＇ are that the first measurement light source penetrates blade
The intensity of emergent light after on one side；B is intensity of the second measurement light source to the incident light between blade another side；B ＇ second measure light
Source penetrates the intensity of emergent light after blade another side.
5. the method for Accurate Determining double-side photic blade light intensity according to claim 3, it is characterised in that：
When the one side of the blade is measured light source by described first to be injected, the intensity of the another side incident light of the blade is
Zero, the calculation of the practical intensity of illumination of blade is：
Wherein, a is intensity of the first measurement light source to the incident light between blade one side；A ＇ are that the first measurement light source penetrates blade
The intensity of emergent light after on one side.
6. a kind of device of Accurate Determining double-side photic blade light intensity, which is characterized in that including：
First intensity of illumination measuring device, for measuring the first measurement light source to the intensity of the incident light between blade one side and inciting somebody to action
The illumination intensity value measured shows with data mode, and measure first measure light source through after blade one side emergent light it is strong
It spends and shows the illumination intensity value of measurement with data mode；
The second intensity of illumination measuring device measures light source to the intensity of the incident light between blade another side for measuring second
The illumination intensity value is shown with data mode, and is measured second and measured light source through the intensity of emergent light after blade another side
The illumination intensity value is shown with data mode；
The practical intensity of illumination of blade is the blade average light intensity.
7. the device of Accurate Determining double-side photic blade light intensity according to claim 6, which is characterized in that including：
The first intensity of illumination measuring device and the second intensity of illumination measuring device are arranged at the both sides of the blade,
And it is respectively facing described first and measures light source and the second measurement light source.
8. the device of the Accurate Determining double-side photic blade light intensity described according to claim 6 or 7, which is characterized in that including：
The first intensity of illumination measuring device and the second intensity of illumination measuring device specifically use photosynthetic instrument, luminoscope or
One kind in light quantum meter.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3436093B2 (en) * | 1996-08-01 | 2003-08-11 | 株式会社サタケ | Leaf component measuring device |
| GB0311953D0 (en) * | 2003-05-23 | 2003-06-25 | Karpinski Stanislaw | Plant treatment method and means therefor |
| CN100451647C (en) * | 2006-02-23 | 2009-01-14 | 上海交通大学 | Canopy leaf chamber for determining plant canopy population photosynthesis |
| CN101556240B (en) * | 2009-05-22 | 2011-05-11 | 天津大学 | Chlorophyll measuring apparatus based on RGB (red, green and blue) three-primary colors digital signals |
| CN101949825B (en) * | 2010-08-17 | 2012-07-18 | 中国农业大学 | Leaf water near infrared non-destructive testing device and method in light open environment |
| CN102435590B (en) * | 2011-08-30 | 2013-02-13 | 上海泽泉科技有限公司 | Method for confirming actinic light intensity in chlorophyll fluorescence induction curve measurement |
| CN104931425A (en) * | 2015-05-29 | 2015-09-23 | 苏州德锐朗智能科技有限公司 | Chlorophyll content detection and control method with temperature and humidity compensation function |
| CN104931438A (en) * | 2015-05-29 | 2015-09-23 | 苏州德锐朗智能科技有限公司 | Photoelectric sensor-based chlorophyll content detection method |
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