CN105842398B - A kind of plant growth fertilizer Consumption Analysis device and method - Google Patents
A kind of plant growth fertilizer Consumption Analysis device and method Download PDFInfo
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- CN105842398B CN105842398B CN201610185326.5A CN201610185326A CN105842398B CN 105842398 B CN105842398 B CN 105842398B CN 201610185326 A CN201610185326 A CN 201610185326A CN 105842398 B CN105842398 B CN 105842398B
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Abstract
The present invention relates to a kind of plant growth fertilizer Consumption Analysis device and method, and by the way that the difference of culture solution each nutrition composition before and after disengaging grows storehouse is calculated, divided by time interval obtains average value.The process is constantly carried out, and is integrated after being finally filtered in whole time-domain to obtained each ion consumption average value, so as to obtain the dosage and proportioning of each required nutrient component.The present invention can obtain the content and proportioning of fertilizer needed for plant different growth phases on the premise of not caused any harm in itself to plant, and it, which measures analysis result, has very high accuracy.
Description
Technical field
The present invention relates to industrialized agriculture field, particularly a kind of plant growth fertilizer Consumption Analysis device and method.
Background technology
Industrialized agriculture is a kind of seasonal production of agricultural that can break traditions and the disadvantage lived at the mercy of the elements, by collecting soil
The key elements such as ground, fund, technology and labour, the intensive style of principal character is efficiently utilized as with intensive capital, technology-intensive, soil
High-efficiency agriculture industry.These essential characteristics of industrialized agriculture, make it have high investment, high production, high benefit, save water and energy, can
Sustainable development, the distinguishing feature of whole year production.With China's scientific and technological progress and the continuous decline of of the right age labouring population quantity, facility
Agricultural will occupy increasingly consequence in following agricultural production in China.
It is an important modern installations agricultural technology that water-fertilizer integral allotment, which is irrigated,.Pass through expert system knowledge base internal memory
The priori of some plants fertilizer components and proportioning needed for per growth period, nutrient solution is allocated after carrying out accurate adjustment and bestowed
Plant, both ensure that needed for plant nutrient, effectively reduce the waste of fertilizer again.But this accurate adjustment needs accurately
Priori is as foundation, and there has been no suitable device at present for the acquisition of the priori of these fertilizer correlation.Therefore how
Design the content of fertilizer needed for a set of acquisition plant different growth phases just has with the automation equipment matched as one
Practical value and challenging problem.
The existing patent application for fertilizer needed for plant, all fail to accomplish the Non-Destructive Testing to plant, such as application number
201410640183.3 invention is boiled using being disappeared after being dried after harvesting blade using Sulfuric-acid-hydrogen-peroxide, passes through kelvin semimicro
Nitriding determines leaf total nitrogen content, by vanadium molybdenum Huang colorimetric method for determining blade content of tatal phosphorus, is determined by flare photometer
The full potassium content of blade, and plant leaf need to be destroyed and can not accomplish to detect in real time by these methods.And application number
201210041294.3 invention by accurately measuring the soil in a certain plot in terms of data, then according to the plant planted,
The usage amount of the fertilizer is determined come the method imitated growing process and virtually applied fertilizer by computer model.This
Method is to obtain data by Computer Simulation rather than true experiment, it is clear that has worse accuracy and specific aim.
The content of the invention
In view of this, the purpose of the present invention is to propose to a kind of plant growth fertilizer Consumption Analysis device and method, meter is passed through
The difference for drawing culture solution each nutrition composition before and after disengaging grows storehouse is calculated, divided by time interval obtains average value.The process
Constantly carry out, integrated after being finally filtered in whole time-domain to obtained each ion consumption average value, it is each so as to obtain
The dosage and proportioning of required nutrient component.
The device of the present invention is realized using following scheme：A kind of plant growth fertilizer Consumption Analysis device, including preparation storehouse,
Plantation storehouse, measurement storehouse, it is arranged on the first ion transducer array prepared in storehouse, the second ion sensor being arranged in measurement storehouse
Device array, control module, battery valve actuating mechanism；The battery valve actuating mechanism includes several battery valves；The plantation storehouse
It is connected with the preparation storehouse, measurement between storehouse by being provided with the pipeline of magnetic valve；The control module with described first from
Sub- sensor array, the second ion transducer array, battery valve actuating mechanism are electrical connected.
Further, it is described to prepare storehouse, plantation storehouse, measure the putting position in storehouse as from high in the end.
Further, the ion transducer array includes nitrogen, phosphorus, potassium, calcium, magnesium, the online ion transducer of iron.
Further, the control module includes single-chip microcomputer, and the single-chip microcomputer is connected to the calculating by communication interface
Machine.Control module microcontroller part is made up of Renesas's R5F100FCA single-chip microcomputers, and its core circuit is as shown in Figure 4.Should
High-precision crystal oscillator, A/D converter built in single-chip microcomputer（A/D）, pulse-width modulator（PWA）, timer etc., completely
It disclosure satisfy that system requirements.
The invention of the present invention is realized using following scheme：It is a kind of to be filled according to plant growth fertilizer Consumption Analysis described above
The method put, specifically includes following steps;
Step S1:Concentrated nutrient solution is mixedly configured into the nutrient solution of normal concentration in storehouse is prepared with water；
Step S2：By the nutrient solutions of the step S1 normal concentrations configured injection plantation storehouse, by the plantation of a bit of time,
Make the various nutrients in plant absorption nutrient solution；
Step S3：The used nutrient solution injection measurement storehouse in storehouse will be planted after the scheduled time is reached and carries out each element content
Measurement；
Step S4：Can by the difference measured between the storehouse data measured and the nutrient solution concentration data for preparing storehouse normal concentration
Obtain the Expenditure Levels of nutrient solution each element in this period of time；
Step S5：Repeat step S1 to S4, the nutrient solution element Expenditure Levels of multiple periods are obtained, by all periods
As a result count, integration obtains nutrient Expenditure Levels of the plant in whole time-domain.
Further, after the nutrient solution for planting storehouse is planted into the measurement storehouse, immediately by the battalion in the preparation storehouse
Nutrient solution imports the plantation storehouse, then configures new nutrient solution in the preparation storehouse, to cause the plant in the plantation storehouse
Shi Keyou solution soaks, and make it that the data of measurement can be continuous in time-domain.
Further, in the step S3, the measurement data of acquisition is passed through into extended Kalman filter（Extended
Kalman Filter, EFK）It is filtered smoothing processing.EKF basic thought is to linearize nonlinear system, Ran Houjin
Row Kalman filtering（Kalman Filtering, KF）.Kalman filtering is that one kind utilizes linear system state equation, is passed through
Data are observed in system input and output, and the algorithm of optimal estimation is carried out to system mode.Because observation data are included in system
Noise and the influence of interference, so optimal estimation is also considered as filtering.The process can be predicted and update two ranks
Section.In forecast period, wave filter uses the estimation of laststate, makes the estimation to current state.In the more new stage, wave filter
The predicted value obtained using the observation optimization to current state in forecast period, to obtain a more accurate new estimation value.
Fig. 5 show the flow chart of EKF.Measured fertilizer can be cut down significantly by being extended Kalman filtering
Error in parameter, make result more approaching to reality value.
Further, the allotment for preparing nutrient solution in storehouse is by the way that the prewired various nutrient solutions of high concentration are mixed in proportion
The method of clear water is diluted allotment, and the flow of wherein high concentration nutritional liquid into warehouse can be real by the aperture of regulating cell valve
Existing, the aperture of battery valve is adjusted by the PWM controller built in the single-chip microcomputer in control module to be realized.
Further, the measurement in the step S1 to each element content in nutrient solution passes through first ion transducer
Array.
Further, the measurement of each element content in the solution in the step S3 to measuring storehouse is passed by the second ion
Sensor array.
Compared with prior art, the present invention has following beneficial effect：The present invention can obtain plant different growth phases institute
The content and proportioning of fertilizer are needed, while plant is not caused any harm in itself, i.e., can accomplish the Non-Destructive Testing to plant.This
The measurement analysis result of invention has very high accuracy.
Brief description of the drawings
Fig. 1 is the overall framework figure of the present invention.
Fig. 2 is one-shot measurement schematic flow sheet of the present invention.
Fig. 3 is apparatus of the present invention structural representation.
Fig. 4 is control module micro controller core circuit diagram of the present invention.
Fig. 5 EKF schematic flow sheets of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
As shown in figure 1, present embodiments providing a kind of plant growth fertilizer Consumption Analysis device, including prepare storehouse, plantation
Storehouse, measurement storehouse, it is arranged on the first ion transducer array prepared in storehouse, the second ion transducer battle array being arranged in measurement storehouse
Row, control module, battery valve actuating mechanism；The battery valve actuating mechanism includes several battery valves；The plantation storehouse and institute
State preparation storehouse, measurement is connected between storehouse by being provided with the pipeline of magnetic valve；The control module passes with first ion
Sensor array, the second ion transducer array, battery valve actuating mechanism are electrical connected.
As shown in figure 3, in the present embodiment, it is described to prepare storehouse, plantation storehouse, measure the putting position in storehouse as from high in the end.
When control module opens the battery valve of corresponding pipeline, solution can flow into next pipeline according to potential energy.Nutrient solution is noted successively by flow
Enter to prepare storehouse, plantation storehouse and measurement storehouse；But this flow is carried out in a manner of pipelining, i.e., when plantation storehouse solution enters
Enter after measuring storehouse, storehouse solution will be prepared immediately and import plantation storehouse, then configured new solution in storehouse is prepared, to plant
Solution immersion is carved with storehouse during plant, and make it that the data of measurement can be continuous in time-domain.
In the present embodiment, the ion transducer array includes nitrogen, phosphorus, potassium, calcium, magnesium, the online ion transducer of iron.
In the present embodiment, the control module includes single-chip microcomputer, and the single-chip microcomputer is connected to described by communication interface
Computer.Control module microcontroller part is made up of Renesas's R5F100FCA single-chip microcomputers, its core circuit such as Fig. 4 institutes
Show.High-precision crystal oscillator, A/D converter built in the single-chip microcomputer（A/D）, pulse-width modulator（PWA）, timer
Deng being fully able to meet system requirements.
As shown in Fig. 2 the present embodiment additionally provide it is a kind of according to plant growth fertilizer Consumption Analysis device described above
Method, specifically include following steps;
Step S1:Concentrated nutrient solution is mixedly configured into the nutrient solution of normal concentration in storehouse is prepared with water；
Step S2：By the nutrient solutions of the step S1 normal concentrations configured injection plantation storehouse, by the plantation of a bit of time,
Make the various nutrients in plant absorption nutrient solution；
Step S3：The used nutrient solution injection measurement storehouse in storehouse will be planted after the scheduled time is reached and carries out each element content
Measurement；
Step S4：Can by the difference measured between the storehouse data measured and the nutrient solution concentration data for preparing storehouse normal concentration
Obtain the Expenditure Levels of nutrient solution each element in this period of time；
Step S5：Repeat step S1 to S4, the nutrient solution element Expenditure Levels of multiple periods are obtained, by all periods
As a result count, integration obtains nutrient Expenditure Levels of the plant in whole time-domain.
In the present embodiment, after the nutrient solution for planting storehouse is planted into the measurement storehouse, immediately by the preparation storehouse
Nutrient solution import the plantation storehouse, then new nutrient solution is configured in the preparation storehouse, to cause in the plantation storehouse
Solution immersion is carved with during plant, and make it that the data of measurement can be continuous in time-domain.
In the present embodiment, in the step S3, the measurement data of acquisition is passed through into extended Kalman filter
（Extended Kalman Filter, EFK）It is filtered smoothing processing.As shown in figure 5, EKF basic thought is will be non-thread
Sexual system linearizes, and then carries out Kalman filtering（Kalman Filtering, KF）.Kalman filtering is that one kind utilizes line
Sexual system state equation, data are observed by system input and output, the algorithm of optimal estimation is carried out to system mode.Due to observation
Data include the noise in system and the influence of interference, so optimal estimation is also considered as filtering.The process can be with
It is predicted and updates two stages.In forecast period, wave filter uses the estimation of laststate, makes and current state is estimated
Meter.In the more new stage, wave filter utilizes the predicted value that the observation optimization to current state obtains in forecast period, to obtain one
Individual more accurate new estimation value.Fig. 5 show the flow chart of EKF.Can be big by being extended Kalman filtering
The big error cut down in measured fertilizer parameter, makes result more approaching to reality value.
In the present embodiment, it is described prepare storehouse in nutrient solution allotment by by the prewired various nutrient solutions of high concentration in proportion
The method of incorporation clear water is diluted allotment, and the flow of wherein high concentration nutritional liquid into warehouse can opening by regulating cell valve
Degree realizes that the aperture of battery valve is adjusted by the PWM controller built in the single-chip microcomputer in control module to be realized.
In the present embodiment, the measurement in the step S1 to each element content in nutrient solution is passed by first ion
Sensor array.
In the present embodiment, in the step S3 to measure storehouse solution in each element content measurement by second from
Sub- sensor array.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, it should all belong to the covering scope of the present invention.
Claims (9)
- A kind of 1. plant growth fertilizer Consumption Analysis method, it is characterised in that：The analysis method is based on an analytical equipment, described point Analysis apparatus include prepare storehouse, plantation storehouse, measurement storehouse, control module, electromagnetic valve actuating gear, be arranged on prepare storehouse in first from Sub- sensor array, the second ion transducer array being arranged in measurement storehouse；The electromagnetic valve actuating gear includes several Magnetic valve；The plantation storehouse is connected with the preparation storehouse, measurement between storehouse by being provided with the pipeline of magnetic valve；The control Module is electrical connected with the first ion transducer array, the second ion transducer array, electromagnetic valve actuating gear；The analysis method comprises the following steps：Step S1:Concentrated nutrient solution is mixedly configured into the nutrient solution of normal concentration in storehouse is prepared with water；Step S2：By the nutrient solution injection plantation storehouse of the step S1 normal concentrations configured, by the plantation of a bit of time, make plant Thing absorbs the various nutrients in nutrient solution；Step S3：The survey of the used nutrient solution injection measurement storehouse progress each element content in storehouse will be planted after the scheduled time is reached Amount；Step S4：This can be obtained by measuring the difference between the storehouse data measured and the nutrient solution concentration data for preparing storehouse normal concentration The Expenditure Levels of nutrient solution each element in a period of time；Step S5：Repeat step S1 to S4, the nutrient solution each element Expenditure Levels of multiple periods are obtained, by the result of all periods Statistics, integration obtain nutrient Expenditure Levels of the plant in whole time-domain；Specifically have in the step S5：By the way that the difference of nutrient solution each nutrient before and after storehouse is planted in disengaging is calculated, remove Average value is obtained with time interval, the process is constantly carried out, and finally obtained each element is consumed in whole time-domain average Value integrates after being filtered, so as to obtain the dosage and proportioning of each required elemental constituent.
- A kind of 2. plant growth fertilizer Consumption Analysis method according to claim 1, it is characterised in that：The preparation storehouse, Plant storehouse, measure the putting position in storehouse as from high in the end.
- A kind of 3. plant growth fertilizer Consumption Analysis method according to claim 1, it is characterised in that：The ion sensor Device array includes nitrogen, phosphorus, potassium, calcium, magnesium, the online ion transducer of iron.
- A kind of 4. plant growth fertilizer Consumption Analysis method according to claim 1, it is characterised in that：The control module Including single-chip microcomputer, the single-chip microcomputer is connected to computer by communication interface.
- A kind of 5. plant growth fertilizer Consumption Analysis method according to claim 1, it is characterised in that：When the plantation storehouse Nutrient solution enter the measurement storehouse after, the nutrient solution in the preparation storehouse is imported into the plantation storehouse immediately, then described Prepare to configure new nutrient solution in storehouse, to be carved with solution immersion when causing the plant in the plantation storehouse, and cause the number of measurement According to can be continuous in time-domain.
- A kind of 6. plant growth fertilizer Consumption Analysis method according to claim 1, it is characterised in that：In the step S3 In, the measurement data of acquisition is filtered smoothing processing by extended Kalman filter.
- A kind of 7. plant growth fertilizer Consumption Analysis method according to claim 1, it is characterised in that：In the preparation storehouse The allotment of nutrient solution is diluted allotment by the way that the prewired various nutrient solutions of high concentration to be mixed to the method for clear water in proportion, wherein The flow that high concentration nutritional liquid enters warehouse can realize that the aperture of magnetic valve passes through control module by the aperture of electromagnetic valve for adjusting In single-chip microcomputer built in PWM controller regulation realize.
- A kind of 8. plant growth fertilizer Consumption Analysis method according to claim 1, it is characterised in that：In the step S1 Measurement to each element content in nutrient solution passes through the first ion transducer array.
- A kind of 9. plant growth fertilizer Consumption Analysis method according to claim 1, it is characterised in that：In the step S3 The measurement of each element content in solution to measuring storehouse passes through the second ion transducer array.
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| CN110989704A (en) * | 2019-12-10 | 2020-04-10 | 曲靖师范学院 | Intelligent crop nutrition real-time supply and regulation system |
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| JPH0394622A (en) * | 1989-09-06 | 1991-04-19 | Toshiba Corp | Controlling equipment of culture by nutrient solution utilizing fuzzy control |
| CN2828813Y (en) * | 2005-07-01 | 2006-10-18 | 顾亭华 | Soilless culture nutrient solution investigating instrument |
| CN201967393U (en) * | 2010-10-09 | 2011-09-14 | 徐坤 | Vegetable seeding culture device |
| CN104705182A (en) * | 2015-02-10 | 2015-06-17 | 浙江大学 | Cultivating system and method based on plant nitrogen fertilizer application amount optimization |
-
2016
- 2016-03-29 CN CN201610185326.5A patent/CN105842398B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0353824A (en) * | 1989-07-21 | 1991-03-07 | Toshiba Corp | Culturing solution-controlling device |
| JPH0394622A (en) * | 1989-09-06 | 1991-04-19 | Toshiba Corp | Controlling equipment of culture by nutrient solution utilizing fuzzy control |
| CN2828813Y (en) * | 2005-07-01 | 2006-10-18 | 顾亭华 | Soilless culture nutrient solution investigating instrument |
| CN201967393U (en) * | 2010-10-09 | 2011-09-14 | 徐坤 | Vegetable seeding culture device |
| CN104705182A (en) * | 2015-02-10 | 2015-06-17 | 浙江大学 | Cultivating system and method based on plant nitrogen fertilizer application amount optimization |
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