CN114342785B - Electric water-breaking irrigation control method and electric water-breaking irrigation control system - Google Patents
Electric water-breaking irrigation control method and electric water-breaking irrigation control system Download PDFInfo
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- CN114342785B CN114342785B CN202111675536.XA CN202111675536A CN114342785B CN 114342785 B CN114342785 B CN 114342785B CN 202111675536 A CN202111675536 A CN 202111675536A CN 114342785 B CN114342785 B CN 114342785B
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Abstract
The application is suitable for agricultural irrigation technical field, provides an irrigate control method with electric drainage and irrigate control system with electric drainage, and the method includes: selecting a test field and a test water well, and carrying out test engineering setting on the test field and the test water well; acquiring test basic parameters based on test engineering setting; carrying out a sectional irrigation test through a test water well in a test field to obtain test data; establishing a standard database corresponding to the test field and the test water well based on the test basic parameters and the test data, and establishing an electric-bending water prototype model according to the standard database; inputting actual parameters of the farmland and the water well into the electric-bending water prototype model to obtain an electric-bending water irrigation control model matched with the farmland and the water well; the farmland is irrigated by controlling the water well through the electric water-folding irrigation control model. The accurate control of agricultural irrigation water is realized, and the waste of water resources is avoided.
Description
Technical Field
The application belongs to the technical field of agricultural irrigation, and particularly relates to an electric-folding water irrigation control method and an electric-folding water irrigation control system.
Background
China is a big agricultural country, agricultural irrigation water accounts for about 70% of the total water consumption of the society, high and stable yield can be realized only by supplementing irrigation in the growth period because rainfall cannot meet the water demand requirement of crops, irrigation relying on pumping underground water causes serious super-mining of underground water level, and an underground water funnel area is formed. To control the groundwater level from further lowering, groundwater level mining needs to be limited. In order to save water resources to the maximum extent, how to accurately control irrigation so as to improve the utilization efficiency of irrigation water becomes an urgent problem to be solved in agricultural irrigation.
Under the present condition, the cost in agricultural irrigation only collects the electricity consumption cost in the irrigation process, how to control the irrigation quantity by controlling the electricity consumption, the 'water folding by electricity' coefficient needs to be determined, and the irrigation quantity is controlled by controlling the electricity consumption.
Disclosure of Invention
In view of this, the embodiment of the present invention provides an electric-baffled irrigation control system and an electric-baffled irrigation control method, which implement accurate control of agricultural irrigation water.
The application is realized by the following technical scheme:
in a first aspect, the present application provides a method for controlling irrigation by using electrically-folded water, including: selecting a test field and a test water well, and carrying out test engineering setting on the test field and the test water well; acquiring test basic parameters based on the test engineering setting; carrying out a sectional irrigation test through the test water well in the test field to obtain test data; establishing a standard database corresponding to the test field and the test water well based on the test basic parameters and the test data, and establishing an electric-bending water prototype model according to the standard database; inputting actual parameters of a farmland and a water well into the electric-folding water prototype model to obtain an electric-folding water irrigation control model matched with the farmland and the water well; through with the control of electric drainage irrigation control model the well is right the farmland is irrigated.
In the embodiment of the application, the standard database of the water well is established by carrying out the sectional irrigation test on the test field and the test water well to obtain the test data. Before actual irrigation operation, to different wells, can update the correction through measuring the parameter in with the standard database on the spot, obtain corresponding to different wells with the electricity book water irrigation control model, through convert into the charges of electricity with the electricity book water irrigation control model with the water consumption, realized the accurate control to the water consumption, avoided water waste.
Based on the first aspect, in some embodiments, the selecting a test field and a test water well, and performing test engineering setting on the test field and the test water well includes: randomly selecting a test field in a wheat irrigation area, determining a test water well closest to the test field, and paving a water pipeline on a path from the test water well to the test field; a submersible pump is placed in the test well, and a drain pipe of the submersible pump is connected with the water conveying pipeline; set up water meter and ammeter in experimental well mouth department set up distance measuring sensor respectively in immersible pump center and well mouth department.
Based on the first aspect, in some embodiments, the basic test parameters include a radius R of a water pipe, a length L of the water pipe, the test field gradient value λ, a vertical distance H between the submersible pump and the water surface, and a vertical distance M between the center of the submersible pump and the water wellhead.
According to the first aspect, in some embodiments, the performing a segmental irrigation test by the test water well in the test field to obtain test data includes: irrigating at different growth stages of crops, and recording irrigation water consumption and power consumption; the test data comprise a water meter value D1 and an electric meter value D2 at the crop growth stage after irrigation is completed each time.
According to the first aspect, in some embodiments, the establishing a standard database corresponding to the test field and the test water well based on the test basic parameters and the test data, and establishing the prototype model in the electrically-broken water according to the standard database includes: calculating the actual water consumption of each irrigation according to the test basic parameters and the test data; establishing a standard database corresponding to the test field and the test water well based on the test basic parameters, the test data and the actual water consumption; and establishing an electric-bending water prototype model according to the standard database.
Based on the first aspect, in some embodiments, the inputting actual parameters of a farmland and a water well into the electric-baffled water prototype model to obtain an electric-baffled water irrigation control model matching the farmland and the water well comprises: writing the electrically-bent water prototype model into a control cabinet arranged at the water well opening, and inputting actual farmland parameters to the electrically-bent water prototype model through field measurement, wherein the actual parameters comprise the radius R of a water conveying pipeline, the length L of the water conveying pipeline, the farmland slope value lambda and the vertical distance H between the submersible pump and the water surface; and acquiring the vertical distance M between the center of the submersible pump and the water well mouth through the distance measuring sensors at the water well mouth and the center of the submersible pump, and inputting the vertical distance M into the electric-folding water prototype model to obtain the electric-folding water irrigation control model matched with the farmland and the water well.
Based on the first aspect, in some embodiments, the controlling the water well to irrigate the farmland through the electrically-folded water irrigation control model comprises: inputting the growth stage and the total irrigation acreage of the crops into the electric folding water irrigation control model to calculate to obtain estimated cost, and irrigating the farmland after paying the estimated cost.
In a second aspect, the embodiment of the application provides an irrigation control system by electric folding, which comprises a control cabinet, a submersible pump, a water conveying pipeline and at least two distance measuring sensors; the control cabinet is electrically connected with the xx, a drain pipe of the submersible pump is connected with the water pipeline, and the distance measuring sensor is electrically connected with the control cabinet; the control cabinet is arranged at a water well mouth and used for calculating irrigation cost and controlling water outlet of a water well; the submersible pump is arranged in the water well and used for pumping water and draining water; the water conveying pipeline is laid between the water well and the test field and is used for irrigating the farmland; the at least two distance measuring sensors are respectively arranged at the center of the submersible pump and the water well mouth and used for measuring the vertical distance M between the center of the submersible pump and the water well mouth.
Based on the second aspect, in some embodiments, the electrically-powered water quantitative control system further comprises a floater, wherein the floater is a hollow ball, so that the center of the submersible pump is kept at a fixed distance from the water surface.
Based on the second aspect, in some embodiments, the electrically-folded water quantitative control system further includes a pressure sensor, the pressure sensor is disposed at the bottom of the submersible pump and electrically connected to the control cabinet; the pressure sensor is used for detecting whether a support exists at the bottom of the submersible pump.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the specification.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic flow chart of an irrigation control method using an electric folding water provided by an embodiment of the application;
fig. 2 is a schematic structural diagram of an irrigation control system using electrically-folded water provided by an embodiment of the application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to" determining "or" in response to detecting ". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing a relative importance or importance.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless otherwise specifically stated.
In order to solve the problem of water waste of agricultural flood irrigation, the invention provides an electric power-off irrigation control method.
As shown in fig. 1, the method for controlling irrigation by using electric water-break may include steps 101 to 105.
Step 101: and selecting a test field and a test water well, and carrying out test engineering setting on the test field and the test water well.
Randomly selecting a test field of one mu in the wheat irrigation area, and determining a test well closest to the test field. Carry out experimental engineering setting to experimental field and experimental well, include: laying a water pipeline on a path from the test well to the test field; a submersible pump is placed in the test well, and a drain pipe of the submersible pump is connected with a water delivery pipeline; a water meter and an electric meter are arranged at the position of the experimental water well, and distance measuring sensors are respectively arranged at the center of the submersible pump and the position of the water well. Through the distance measuring sensor, the vertical distance between the submersible pump and the wellhead can be measured.
Step 102: acquiring a test basic parameter based on test engineering setting; and carrying out a sectional irrigation test through a test water well in the test field to obtain test data.
In some embodiments, the implementation of step 102 may include steps 1021 through 1022.
Step 1021: and acquiring test basic parameters based on test engineering setting.
And measuring data of the test field and the test water well after the engineering setting is finished to obtain test basic parameters, wherein the test basic parameters comprise the radius R of the water pipeline, the length L of the water pipeline, the gradient value lambda of the test field, the vertical distance H between the submersible pump and the water surface and the vertical distance M between the center of the submersible pump and the water well mouth.
Wherein, the radius R of the water pipeline, the length L of the water pipeline and the gradient value lambda of the test field can be obtained by field measurement.
The vertical distance H between the submersible pump and the water surface can be obtained by arranging the floating objects, the submersible pump can enter water more easily when the water pressure is high, and therefore the load value of the motor of the submersible pump can be reduced when the water pressure is high. If the underwater position of the submersible pump is not fixed, the power consumption of the motor of the submersible pump is not constant. The float is arranged so that the vertical distance H from the center of the submersible pump to the water surface is the length of the fixed rope between the float and the submersible pump, and the length is a constant value. The submersible pump is prevented from being influenced by water pressure in the form of constant position under the water surface, the electricity utilization efficiency is prevented from changing, the validity of a formula for calculating the actual water consumption is guaranteed, and the more accurate actual water consumption is obtained.
The vertical distance M between the center of the submersible pump and the wellhead of the water can be measured by a distance measuring sensor. Distance measuring sensors are arranged at the center of the submersible pump and at the water well mouth, and the vertical distance M between the submersible pump and the water well mouth can be measured through the distance measuring sensors.
Step 1022: and carrying out a sectional irrigation test through a test water well in the test field to obtain test data.
The test data are growth stage, electric meter value and water meter value in each irrigation. Irrigating at different growth stages of crops according to production requirements, and recording a water meter value D1 and an electric meter value D2 before and after irrigation at the production stage.
Step 103: and establishing a standard database corresponding to the test field and the test water well based on the test basic parameters and the test data, and establishing an electric-fracture water prototype model according to the standard database.
When the standard database is established, a relation between actual power consumption Z and actual water consumption W needs to be established, the actual water consumption W is calculated firstly, the actual water consumption is equal to the water meter value minus the residual water quantity in the pipeline, the calculation process can eliminate the power consumption and the water consumption in the pipeline in the starting stage, only corresponding data in the operation stage are taken, the charging mode is reasonable for most irrigation farmers, and the problem that the consumption cannot be identified by the farmers is solved. Calculating the actual water consumption W through the water meter value D1 and the test basic parameters as follows:
the actual water consumption W is calculated by the calculation formula of the actual water consumption W in the same growth stage of one mu of land. Irrigation can be carried out only when a driving motor of the submersible pump works, the corresponding relation of water meter-water consumption and electricity meter-water consumption is established on the basis, the ratio of the actual water consumption W to the water meter value D1 is equal to the ratio of the actual power consumption Z to the electricity meter value D2,
through the ratio relation, the actual power consumption of one mu of watering land in a certain growth stage can be calculated, and the electric charge is calculated according to the actual power consumption.
The standard database comprises test basic parameters, test data and actual water consumption of each growth stage calculated through the test basic parameters and the test data. The electric water-folding prototype model comprises a standard database and a calculation formula of actual water consumption and actual electricity consumption.
Step 104: and inputting the actual parameters of the farmland and the water well into the electric-folding water prototype model to obtain the electric-folding water irrigation control model matched with the farmland and the water well.
The method comprises the steps of writing an electric-folding water prototype model into a control cabinet arranged at a water well opening, inputting actual farmland parameters into the electric-folding water prototype model through field measurement, wherein the actual parameters comprise fixed parameters and variable parameters, the fixed parameters comprise the radius R of a water pipeline, the gradient value lambda of the farmland, the vertical distance H between a submersible pump and the water surface, and the variable parameters comprise the length L of the water pipeline. All the above parameters are input into the prototype model.
Because the water level in the water well is different during irrigation every time, the M value needs to be revised before irrigation, and the vertical distance M between the center of the submersible pump and the water well mouth is obtained through the distance measuring sensors at the water well mouth and the center of the submersible pump. And correcting the actual water consumption W through the reading of the water meter in the standard database according to the actual farmland parameters and the M parameter value obtained before each irrigation, so as to obtain the irrigation control model matched with the farmland and the water well and using the electric power grid for water diversion.
Step 105: the farmland is irrigated by controlling the water well through the electric water-break irrigation control model.
Through a display screen of the control cabinet, the growth stage and the total irrigation acreage of crops are input to be calculated by an electric folding water irrigation control model to obtain estimated cost before irrigation, and the farmland is irrigated after the estimated cost is paid.
One well in the same region can cover multi-acre farmland, and a standard database of the well is established by obtaining test data through carrying out sectional irrigation tests on the test field and the test well. The standard database contains fixed parameters corresponding to wells to be calculated and fields, when the system is applied practically, parameters in the standard database can be updated and corrected through field measurement aiming at different wells, a current accurate control model for the electric water-folding irrigation is obtained, water consumption is converted into electric charge through the model, and after a farmer pays the charge, the water-conveying irrigation is started automatically. Because the water consumption is converted into the electricity charge in the standard database used by the well, the water consumption can be accurately controlled, and the waste of water resources is avoided.
The invention also provides an irrigation control system by electric power failure, as shown in fig. 2, the irrigation control system by electric power failure comprises a control cabinet 110, a submersible pump 120, a water pipeline 130 and at least two distance measuring sensors 140. The control cabinet 110 is electrically connected with the submersible pump 120, a drain pipe of the submersible pump 120 is connected with the water pipe 130, and the distance measuring sensor 140 is electrically connected with the control cabinet 110.
The control cabinet 110 is arranged at a water wellhead and used for calculating irrigation cost and controlling water outlet of a water well; the submersible pump 120 is disposed in the sump for pumping and draining water. The water pipeline 130 is laid between the water well and the test field and used for irrigating the farmland; at least two distance measuring sensors 140 are respectively arranged at the center of the submersible pump and the water well mouth and used for measuring the vertical distance M between the center of the submersible pump and the water well mouth.
The electric folding water quantitative control system further comprises a floater 150, wherein the floater 150 is a hollow spherical object, so that the center of the submersible pump keeps a fixed distance from the water surface, and the vertical distance H from the drainage pump to the water surface is conveniently determined. Set up hollow floater and can provide buoyancy, set up globular floater and can avoid piling up debris on the floater, when debris drop on the floater, can break away from on the floater, otherwise if there is debris to pile up on the floater, cause the high change of immersible pump under the surface of water easily.
In this embodiment, including switch board, immersible pump, pipeline, range finding sensor and floater with electric book water irrigation control system, the switch board sets up by the well, and range finding sensor electricity connects the switch board, all can rectify the degree of depth of immersible pump in the well through switch board and range finding sensor before irrigating the operation at every turn. The arrangement mode loads data and a calculation model in the control cabinet in advance, farmers only need to input the acre number of the watering place and the growth stage of winter wheat before watering at each time and then correct and input the height of the submersible pump in the water well, so that the actual water used for watering the place can be controlled, and the waste phenomenon of excessive water is avoided.
The electric-folding water quantitative control system can further comprise a pressure sensor 160, wherein the pressure sensor 160 is arranged at the bottom of the submersible pump and is electrically connected with the control cabinet for detecting whether a support exists at the bottom of the submersible pump.
The electrically-breaking water irrigation control method is calculated based on the condition that the position of the submersible pump is constant from the water surface, and if a support is arranged at the bottom of the submersible pump, the vertical distance H between the submersible pump and the water surface is changed. The change in position causes a change in water pressure, which ultimately results in a change in the power consumption of the submersible pump, causing a large deviation in estimated power usage and water usage, which may cause problems of insufficient or excessive water usage. Set up pressure sensor in immersible pump bottom, when there is the support immersible pump bottom, pressure sensor can signals for the switch board, and the switch board can stop the operation and report to the police this moment, reminds the operating personnel to get rid of the interference.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by functions and internal logic of the process, and should not constitute any limitation to the implementation process of the embodiments of the present application.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules, so as to perform all or part of the functions described above. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (3)
1. A method for controlling irrigation by electrically breaking water, comprising:
selecting a test field and a test water well, and carrying out test engineering setting on the test field and the test water well, wherein the test engineering setting comprises the following steps: randomly selecting a test field in a wheat irrigation area, determining a test water well closest to the test field, and paving a water pipeline on a path from the test water well to the test field; a submersible pump is placed in the test well, and a drain pipe of the submersible pump is connected with the water conveying pipeline; a water meter and an ammeter are arranged at the water well mouth of the test, and distance measuring sensors are respectively arranged at the center of the submersible pump and the water well mouth;
acquiring a test basic parameter based on the test engineering setting; the test basic parameters comprise the radius R of the water pipeline, the length L of the water pipeline, the gradient value lambda of the test field, the vertical distance H between the submersible pump and the water surface of the water well, and the vertical distance M between the center of the submersible pump and the mouth of the water well;
carrying out a sectional irrigation test through the test water well in the test field to obtain test data; the test data includes the crop growth stage, irrigate water gauge numerical value D1 and ammeter numerical value D2 after accomplishing at every turn pass through in the experimental field experimental well carries out the segmentation and irrigates the experiment, acquires test data, includes: irrigating at different growth stages of crops, and recording a water meter value D1 and an electric meter value D2 after the irrigation is finished each time;
establishing a standard database corresponding to the test field and the test water well based on the test basic parameters and the test data, and establishing an electric-bending water prototype model according to the standard database, wherein the standard database comprises:
calculating the actual water consumption W of each irrigation according to the test basic parameters and the test data, and the method comprises the following steps: the actual water consumption W is calculated through the water meter value D1 and the test basic parameters, and the calculation formula of the actual water consumption W is as follows:
d1 is the numerical value of the water meter after irrigation is finished each time, R is the radius of the water pipeline, M is the vertical distance between the center of the submersible pump and the water wellhead, L is the length of the water pipeline, and lambda is the slope value of the test field;
establishing a standard database corresponding to the test field and the test water well based on the test basic parameters, the test data and the actual water consumption;
the standard database comprises test basic parameters, test data and actual water consumption of each growth stage calculated through the test basic parameters and the test data;
the standard database corresponding to the test field and the test water well is established based on the test basic parameters, the test data and the actual water consumption, and comprises the following steps:
according to the corresponding relation between the water meter-water consumption and the electric meter-power consumption
Calculating the actual electricity consumption Z;
establishing an electric water folding prototype model according to the standard database, wherein the electric water folding prototype model comprises the standard database and a calculation formula of actual water consumption and actual power consumption;
inputting actual parameters of a farmland and a water well into the electric-bending water prototype model to obtain an electric-bending water irrigation control model matched with the farmland and the water well;
through with the control of electric power strip irrigation control model the well is right the farmland is irrigated.
2. The method for controlling the electrically-folded water irrigation according to claim 1, wherein the step of inputting actual parameters of a farmland and a water well into the electrically-folded water prototype model to obtain the electrically-folded water irrigation control model matching the farmland and the water well comprises the following steps of:
writing the electrically-folded water prototype model into a control cabinet arranged at the water well opening, and inputting actual farmland parameters to the electrically-folded water prototype model after field measurement, wherein the actual parameters comprise the radius R of a water conveying pipeline, the length L of the water conveying pipeline, the gradient value lambda of the farmland and the vertical distance H between the submersible pump and the water surface;
and acquiring the vertical distance M between the center of the submersible pump and the water well mouth through the distance measuring sensors at the water well mouth and the center of the submersible pump, and inputting the vertical distance M into the electric-folding water prototype model to obtain the electric-folding water irrigation control model matched with the farmland and the water well.
3. The method for controlling the electrically-folded water irrigation according to claim 1, wherein the controlling the water well to irrigate the farm field through the electrically-folded water irrigation control model comprises:
inputting the growth stage and the total irrigation acreage of the crops into the electric folding water irrigation control model to calculate to obtain estimated cost, and irrigating the farmland after paying the estimated cost.
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