Method and device for automatically correcting agricultural irrigation rate of irrigation district engineering and electronic equipment

Abstract

The invention provides an irrigation district project agricultural irrigation rate automatic correction method and device and electronic equipment, and the method comprises the steps: firstly obtaining the irrigation net quota time sequence data of various representative crops of an irrigation district project, and then determining a design irrigation system of each representative crop based on the obtained irrigation net quota time sequence data and a preset design guarantee rate; and then determining the initial irrigation rate of the irrigation district project based on the designed irrigation systems of various representative crops, and performing iterative correction on the initial irrigation rate based on a preset correction requirement to finally obtain the designed irrigation rate of the irrigation district project. By adopting the method, the working efficiency of the agricultural irrigation rate correction link of the irrigation district engineering can be improved, so that the calculation efficiency of the design flow of the irrigation district water transportation and distribution engineering can be improved, and the economic rationality of the construction scheme and scale of the irrigation district water transportation and distribution engineering can be efficiently analyzed and fully demonstrated.

Description

Technical Field

[0001] The invention relates to the technical field of irrigation engineering, and in particular to an automatic correction method, device and electronic equipment for agricultural irrigation rate of irrigation engineering. Background Art

[0002] Irrigation projects play a vital role in ensuring the basic living and production of the people. Irrigation projects mainly include water source projects, water transmission and distribution projects, and regulation and storage projects. Among them, water transmission and distribution projects are the construction focus of irrigation projects. However, water transmission and distribution projects generally have long channels (pipes) and large engineering quantities. The scale of water transmission and distribution projects is the main controlling factor for irrigation project investment. The design flow of the channel (pipe) determines the scale of the water transmission and distribution project, and the agricultural irrigation rate is the main determining factor of the design flow of the channel (pipe). At present, the agricultural irrigation rate is generally obtained by manually correcting the initial irrigation rate of the representative crop under the design guarantee rate according to relevant regulations and specifications. However, the manual correction process is relatively cumbersome and the manual correction results vary from person to person, resulting in a large uncertainty in the manual correction of the agricultural irrigation rate, which greatly affects the calculation efficiency of the design flow of the irrigation project and the suitability of the relevant design results. It is also increasingly difficult to meet the new requirements for the economic rationality demonstration of irrigation projects under the new situation. Summary of the invention

[0003] In view of this, the purpose of the present invention is to provide a method, device and electronic equipment for automatic correction of agricultural irrigation rate of irrigation projects, so as to improve the working efficiency of the agricultural irrigation rate correction link of irrigation projects, thereby facilitating the improvement of the calculation efficiency of the design flow of irrigation water supply and distribution projects, and helping to efficiently analyze and fully demonstrate the economic rationality of the construction plan and scale of irrigation water supply and distribution projects.

[0004] In a first aspect, an embodiment of the present invention provides an automatic correction method for the agricultural irrigation rate of an irrigation project, the automatic correction method for the agricultural irrigation rate of an irrigation project comprising: obtaining time series data of the net irrigation quota of various representative crops of the irrigation project; determining the design irrigation system for each representative crop based on the obtained net irrigation quota time series data and a preset design guarantee rate; wherein the design irrigation system is the irrigation system of the corresponding type of representative crops in a typical year; determining the initial irrigation rate of the irrigation project based on the design irrigation system of various representative crops; iteratively correcting the initial irrigation rate based on the preset correction requirements to obtain the design irrigation rate of the irrigation project; wherein, each time the initial irrigation rate is corrected, a rationality check is performed on the corrected irrigation rate based on the initial irrigation rate and the preset agricultural irrigation data, and the design irrigation rate is the irrigation rate after the rationality check passes.

[0005] In a second aspect, an embodiment of the present invention further provides an automatic correction device for agricultural irrigation rate of an irrigation project, the automatic correction device for agricultural irrigation rate of an irrigation project comprising: an acquisition module, used to acquire irrigation net quota time series data of various representative crops of the irrigation project; a first determination module, used to determine the design irrigation system of each representative crop based on the obtained irrigation net quota time series data and a preset design guarantee rate; wherein the design irrigation system is the irrigation system of the corresponding type of representative crops in a typical year; a second determination module, used to determine the initial irrigation rate of the irrigation project based on the design irrigation system of various representative crops; a correction module, used to iteratively correct the initial irrigation rate based on preset correction requirements to obtain the design irrigation rate of the irrigation project; wherein, each time the initial irrigation rate is corrected, a rationality check is performed on the corrected irrigation rate based on the initial irrigation rate and preset agricultural irrigation data, and the design irrigation rate is the irrigation rate after the rationality check passes.

[0006] In a third aspect, an embodiment of the present invention further provides an electronic device, comprising a processor and a memory, wherein the memory stores computer executable instructions that can be executed by the processor, and the processor executes the computer executable instructions to implement the method for automatic correction of agricultural irrigation rate of irrigation projects described in the first aspect above.

[0007] The embodiment of the present invention provides an automatic correction method, device and electronic device for agricultural irrigation rate of irrigation project, which first obtains irrigation net quota time series data of various representative crops of irrigation project, and then determines the design irrigation system of each representative crop based on the obtained irrigation net quota time series data and the preset design guarantee rate, and then determines the initial irrigation rate of irrigation project based on the design irrigation system of various representative crops, and iteratively corrects the initial irrigation rate based on the preset correction requirements, and finally obtains the design irrigation rate of irrigation project. By adopting the above technology, the initial irrigation rate of irrigation project can be automatically corrected by using the irrigation net quota time series data, the preset design guarantee rate and the preset correction requirements to determine the design irrigation rate of irrigation project, which can improve the working efficiency of the agricultural irrigation rate correction link of irrigation project, thereby facilitating the calculation efficiency of the design flow of irrigation water supply and distribution project, and helping to efficiently analyze and fully demonstrate the economic rationality of the construction plan and scale of irrigation water supply and distribution project.

[0008] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description, claims and drawings.

[0009] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a flow chart of an automatic correction method for agricultural irrigation rate of an irrigation project in an embodiment of the present invention;

[0012] Figure 2 This is a flowchart of an automatic correction method for agricultural irrigation rate of an irrigation project in an embodiment of the present invention;

[0013] Figure 3 It is a structural schematic diagram of an automatic correction device for agricultural irrigation rate of an irrigation project in an embodiment of the present invention;

[0014] Figure 4 The figure is a schematic diagram of the structure of an electronic device in an embodiment of the present invention. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described in combination with the embodiments below. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] At present, the agricultural irrigation rate of irrigation projects is generally obtained by manually correcting the initial irrigation rate of representative crops under the design guarantee rate according to relevant regulations and specifications. However, the manual correction process is relatively cumbersome and the results of manual correction vary from person to person, resulting in great uncertainty in the manual correction of agricultural irrigation rate, which greatly affects the calculation efficiency of the design flow of irrigation projects and the suitability of related design results. It is also increasingly difficult to meet the new requirements for the economic rationality demonstration of irrigation projects under the new situation.

[0017] Based on this, the present invention provides an automatic correction method, device and electronic equipment for the agricultural irrigation rate of irrigation projects, which can improve the working efficiency of the agricultural irrigation rate correction link of irrigation projects, thereby helping to improve the calculation efficiency of the design flow of irrigation water supply and distribution projects, and help to efficiently analyze and fully demonstrate the economic rationality of the construction plan and scale of irrigation water supply and distribution projects.

[0018] To facilitate understanding of this embodiment, firstly, a method for automatically correcting agricultural irrigation rate of an irrigation project disclosed in an embodiment of the present invention is described in detail, see Figure 1 As shown, the method for automatically correcting the irrigation rate of irrigation area engineering agriculture may include the following steps:

[0019] Step S102, obtaining time series data of the net irrigation quota of various representative crops in the irrigation project.

[0020] Among them, representative crops can refer to crops planted in irrigation project areas such as paddy fields, dry land, and gardens.

[0021] The time series data of net irrigation quota may refer to the net irrigation quota data representing the time changes of crops year by year and time period by time, which can reflect the law of the change of net irrigation quota of the crops over time; the time series data of net irrigation quota is generally calculated in advance using the calendar method, and the calculation period is generally day or ten days.

[0022] Step S104, determining the designed irrigation schedule for each representative crop based on the obtained irrigation net quota time series data and the preset design guarantee rate.

[0023] Among them, the designed irrigation system is the irrigation system of representative crops of the corresponding type in a typical year. The irrigation system mainly includes the number of irrigations, irrigation duration, irrigation date, irrigation quota, irrigation quota, etc.

[0024] The typical year can be one of the years that meets the design guarantee rate and the irrigation area project scale required for the irrigation distribution process is relatively large. For each representative crop, the irrigation system of the typical year can be used as the design irrigation system of the representative crop. When the determined irrigation system is based on a number of days longer than a single day (such as ten days, months or other days) as the calculation period, in order to facilitate the subsequent correction of the irrigation rate, the determined irrigation system can be averaged and discretized into an irrigation system with a day as the calculation period according to the number of days in each calculation period.

[0025] Step S106, determining the initial irrigation rate of the irrigation project based on the designed irrigation schedules of various representative crops.

[0026] Among them, the initial irrigation rate changes with time. The initial irrigation rate of the irrigation project can reflect the initial distribution period and initial value of the agricultural irrigation rate of the irrigation project, thereby providing basic data for the subsequent correction of the irrigation rate.

[0027] Step S108, iteratively correcting the initial irrigation rate based on the preset correction requirements to obtain the designed irrigation rate of the irrigation project.

[0028] Each time the initial irrigation rate is revised, a rationality check is performed on the revised irrigation rate based on the initial irrigation rate and preset agricultural irrigation data, and the design irrigation rate is the irrigation rate after the rationality check passes.

[0029] An automatic correction method for agricultural irrigation rate of an irrigation project provided by an embodiment of the present invention first obtains irrigation net quota time series data of various representative crops of the irrigation project, then determines the design irrigation system of each representative crop based on the obtained irrigation net quota time series data and the preset design guarantee rate, then determines the initial irrigation rate of the irrigation project based on the design irrigation system of various representative crops, and iteratively corrects the initial irrigation rate based on the preset correction requirements, and finally obtains the design irrigation rate of the irrigation project. By adopting the above technology, the initial irrigation rate of the irrigation project can be automatically corrected by using the irrigation net quota time series data, the preset design guarantee rate and the preset correction requirements to determine the design irrigation rate of the irrigation project, which can improve the working efficiency of the agricultural irrigation rate correction link of the irrigation project, thereby facilitating the improvement of the calculation efficiency of the design flow of the irrigation water supply and distribution project, and helping to efficiently analyze and fully demonstrate the economic rationality of the construction plan and scale of the irrigation water supply and distribution project.

[0030] As a possible implementation, the designed irrigation schedule may include the designed irrigation quota and designed irrigation duration of each irrigation of the corresponding representative crop in a typical year; based on this, the above step S106 (i.e., determining the initial irrigation rate of the irrigation project based on the designed irrigation schedule of various representative crops) may include:

[0031] Step 1: Based on the designed irrigation quotas and designed irrigation durations corresponding to various representative crops, determine the first irrigation rate of each representative crop for each irrigation in a typical year.

[0032] Specifically, based on the designed irrigation quota and designed irrigation duration corresponding to various representative crops, the first irrigation rate of each irrigation for each representative crop in a typical year can be calculated using the following formula:

[0033]

[0034] Among them, q ik is the first irrigation rate of the kth irrigation of the i-th representative crop in a typical year, in m 3 / (s·ten thousand mu); a i is the planting ratio of the i-th representative crop in a typical year, that is, the ratio of the irrigated area of ​​the i-th representative crop to the irrigated area of ​​the irrigation project in the typical year; m ik is the design irrigation quota for the kth irrigation of the i-th crop in a typical year, in m 3 / mu; T ik It is the designed irrigation duration of the kth irrigation of the i-th representative crop in a typical year, in d.

[0035] Step 2: Determine the initial irrigation rate based on the first irrigation rates corresponding to various representative crops in the same target period in a typical year.

[0036] Specifically, for each target period in a typical year, the second irrigation rate of the irrigation project in the target period can be calculated based on the first irrigation rate corresponding to various representative crops in the target period using the following formula:

[0037]

[0038] Among them, q j is the second irrigation rate of the irrigation project in the jth target period in a typical year, in m 3 / (s·ten thousand mu); n represents the number of crop types; q ij is the first irrigation rate of the i-th crop in the j-th target period in a typical year, in m 3 / (s·ten thousand mu);

[0039] The initial irrigation rate is determined based on the second irrigation rate of the irrigation project in each target period.

[0040] As a possible implementation, the above-mentioned irrigation net quota time series data may be time series data of multiple representative years; based on this, the above-mentioned step S104 (i.e., determining the design irrigation schedule for each representative crop based on the obtained irrigation net quota time series data and the preset design guarantee rate) may include:

[0041] Step A1, selecting from the irrigation net quota time series data at least one target year's time series data in which the actual water usage rate matches the preset design guarantee rate as the target time series data.

[0042] Among them, the deviation between the actual water consumption rate in each target year and the preset design guarantee rate is within the preset deviation range.

[0043] Specifically, the net irrigation quota data corresponding to each representative year in the net irrigation quota time series data can be statistically analyzed to obtain the actual water use rate of each representative year, and then the deviation between the actual water use rate of each representative year and the preset design guarantee rate can be calculated, and the representative year with a deviation within the preset deviation range can be taken as the target year, and then the net irrigation quota data corresponding to the target year in the net irrigation quota time series data can be extracted as the target time series data.

[0044] Step A2: Calculate the irrigation quota time series data of each representative crop corresponding to each target year from the target time series data, and determine the irrigation system of each representative crop in a typical year based on the obtained irrigation quota time series data.

[0045] The irrigation quota time series data may refer to the irrigation quota data representing the time-varying changes of crops year by year and time period by time, and can reflect the law of the time-varying changes of the irrigation quotas of the crops.

[0046] Specifically, statistical analysis can be performed on the data corresponding to each target year in the target time series data to obtain the irrigation quota time series data of each representative crop corresponding to each target year, and the dry season irrigation quota and / or flood season irrigation quota of each representative crop corresponding to each target year can be statistically calculated from the irrigation quota time series data. Then, the typical year is determined based on the dry season irrigation quota and / or flood season irrigation quota of each target year, and the irrigation system of each representative crop in the typical year is determined as the corresponding designed irrigation system.

[0047] As a possible implementation manner, the preset correction requirement may include at least one of the following:

[0048] The ratio between the adjustment value of the designed irrigation duration of the same irrigation and the corresponding designed irrigation duration is not greater than a preset first ratio threshold; wherein the preset first ratio threshold is less than 1;

[0049] The ratio between the adjustment value of the design irrigation quota of the same irrigation and its corresponding design irrigation quota is not greater than the preset second ratio threshold, and the design irrigation quota of the same representative crop in two adjacent irrigations is not continuously reduced; wherein the preset second ratio threshold is less than 1;

[0050] The number of days for advancing or postponing the irrigation date is not greater than the preset first day threshold. If the irrigation date of two consecutive irrigations of the same representative crop needs to be changed, the irrigation date of the two consecutive irrigations of the same representative crop should be advanced or postponed at the same time.

[0051] The maximum irrigation rate within a time range where the cumulative number of days is not less than the preset second number threshold is used as the design irrigation rate; wherein the preset second number threshold is greater than the preset first number threshold;

[0052] The ratio between the corrected irrigation rate and the corresponding designed irrigation rate is not greater than a preset third ratio threshold and not less than a preset fourth ratio threshold; wherein the preset third ratio threshold is greater than 1, and the preset fourth ratio threshold is less than 1;

[0053] During each irrigation, there shall be no water outage event with a duration less than the preset third-day threshold; wherein the preset third-day threshold is less than the preset second-day threshold;

[0054] The ratio of the irrigation area of ​​each representative crop to the irrigation area of ​​the irrigation project is within the corresponding preset ratio range.

[0055] As a possible implementation, the preset agricultural irrigation data may include preset agricultural planting water use data in a preset area and / or preset design irrigation rate data; based on this, the step of performing a rationality check on the revised irrigation rate based on the initial irrigation rate and the preset agricultural irrigation data each time the initial irrigation rate is revised may include: for each revision of the initial irrigation rate, comparing the revised irrigation rate with the initial irrigation rate and the preset agricultural irrigation data to determine whether the revised irrigation rate is reasonable; if the revised irrigation rate is reasonable, the rationality check of the revised irrigation rate passes; if the revised irrigation rate is unreasonable, adjusting the ratio of the irrigation area of ​​various representative crops to the irrigation area of ​​the irrigation project and redesigning the irrigation system based on the various representative crops to determine the initial irrigation rate of the irrigation project.

[0056] Among them, redetermining the initial irrigation rate of the irrigation project mainly involves redetermining the initial value of the automatic correction process of the initial irrigation rate, thereby affecting the correction process and correction results.

[0057] After each correction of the initial irrigation rate to obtain the irrigation rate, the initial irrigation rate and the preset agricultural irrigation data can be used to check whether the obtained irrigation rate is reasonable, so as to facilitate the re-determination of the initial irrigation rate and iterative correction of it when the obtained irrigation rate is unreasonable, so as to ensure that a reasonable design irrigation rate can be corrected in the end.

[0058] For ease of understanding, the operation of the above-mentioned method for automatic correction of agricultural irrigation rate in irrigation projects is described as follows by taking a specific application as an example.

[0059] See also Figure 2 As shown in the figure, the automatic correction method of agricultural irrigation rate of irrigation area project can be carried out according to the following process:

[0060] Step 1: Determine the designed irrigation schedule for various representative crops.

[0061] Based on the net irrigation quota of various representative crops year by year and time period (i.e., time series data of net irrigation quota), the net irrigation quota data of each year can be statistically analyzed to obtain the actual water use rate of each year, and then the actual water use rates of all years are sorted in order from large to small or from small to large, and 2 to 3 years that meet the design guarantee rate (i.e., the difference between the actual water use rate and the design guarantee rate is within a certain range) are selected as target years according to the sorting results, and then the irrigation distribution process in each target year is statistically analyzed (including statistical irrigation quota, which includes dry season irrigation quota and flood season irrigation quota), and the target year with the most unfavorable irrigation distribution process (i.e., the highest dry season irrigation quota) is selected as the typical year, and then the irrigation system of various representative crops in the typical year is used as the design irrigation system of various representative crops.

[0062] When the design irrigation system of the selected typical year is in ten-day units, the design irrigation system of the selected typical year can be discretized into a design irrigation system in days according to the following formula:

[0063]

[0064] Where: Q ′ is the irrigation quota for a typical crop year in days, in m 3 / mu; Q represents the irrigation quota of a typical crop in a period of ten days, in m 3 / mu; D represents the number of days in the crop decade, with the unit being d, where 10 days are taken for the first and middle ten days, 8 days for the last ten days of February, and 10 days (corresponding to months with 30 days) or 11 days (corresponding to months with 31 days) for the last ten days of other months.

[0065] Step 2: Determine the initial irrigation rate of the irrigation project.

[0066] According to the designed irrigation system of various representative crops (including the irrigation quota and irrigation duration of each irrigation of various representative crops in a typical year), the irrigation rate of each irrigation of various representative crops in a typical year (i.e., the first irrigation rate) is calculated; the first irrigation rates of various representative crops in the same period of a typical year are added together to calculate the initial irrigation rate of the irrigation project, thereby analyzing the maximum, minimum and distribution period of the initial irrigation rate of the irrigation project, which can provide basic data for subsequent irrigation rate corrections.

[0067] In the above step 2, the value of the net irrigation quota for each period of a typical year is the irrigation quota for that period. The first irrigation rate calculation formula can be used based on the irrigation quota for that period and the duration of irrigation. Calculate the first irrigation rate of each irrigation of various representative crops in this period; after obtaining the first irrigation rate of each irrigation of various representative crops in each period of a typical year, the formula The initial irrigation rate of each period in a typical year of the irrigation project is calculated.

[0068] Step three, automatically correct the initial irrigation rate of the irrigation project to determine the designed irrigation rate of the irrigation project.

[0069] The initial irrigation rate of the irrigation project is automatically corrected by presetting the irrigation rate correction requirements and performing feedback adjustments thereto. After multiple rounds of automatic corrections, the designed irrigation rate of the irrigation project is obtained.

[0070] In the above step three, the preset irrigation rate correction requirements are mainly determined by referring to the relevant regulations and specifications of the state and water conservancy departments and making appropriate choices based on actual engineering experience; the feedback adjustment of the irrigation rate correction requirements mainly considers factors such as the actual difficulty, feasibility and accessibility of the irrigation rate correction.

[0071] In the process of automatically correcting the initial irrigation rate of the irrigation project, the irrigation rate correction requirements may include:

[0072] (1) The extension or shortening of the irrigation time shall not exceed 20% of the original irrigation time;

[0073] (2) The adjustment value of the irrigation quota shall not exceed 10% of the original irrigation quota, and the irrigation quota of the same representative crop shall not be reduced twice in a row;

[0074] (3) The number of days advanced or postponed for the irrigation date shall not exceed 3 days; if the same representative crop needs to change the irrigation date for two consecutive irrigations, it is prohibited to advance the irrigation date of one of the two consecutive irrigations and postpone the irrigation date of the other (that is, it is necessary to ensure that the irrigation date of the two consecutive irrigations that need to change the irrigation date is advanced or postponed);

[0075] (4) The maximum irrigation rate accumulated over 30 days is used as the design irrigation rate;

[0076] (5) The short-term peak value of the corrected irrigation rate shall not exceed 120% of the designed irrigation rate, and the minimum value of the corrected irrigation rate shall not be less than 30% of the designed irrigation rate;

[0077] (6) The revised irrigation rate avoids short-term water outages of less than 5 days;

[0078] (7) Adjust the planting structure of various representative crops, and the planting ratio adjustment value of each representative crop is within its corresponding specified range.

[0079] The process of automatically correcting the initial irrigation rate of the irrigation project mainly includes:

[0080] First, the first round of automatic correction of the initial irrigation rate of the irrigation project is carried out. If the corrected irrigation rate meets the preset irrigation rate correction requirements (1) to (6), then the corrected irrigation rate is the required design irrigation rate. If the corrected irrigation rate cannot meet the preset irrigation rate correction requirements (1) to (6), then the corrected irrigation rate is automatically adjusted to only meet the preset irrigation rate correction requirements (1) to (5), and then the first round of automatic correction of the initial irrigation rate of the irrigation project is carried out. If the corrected irrigation rate still cannot meet the preset irrigation rate correction requirements (1) to (5), then the corrected irrigation rate is automatically adjusted to only meet the preset irrigation rate correction requirements (1) to (5), and then the first round of automatic correction of the initial irrigation rate of the irrigation project is carried out. The automatically adjusted and corrected irrigation rate only needs to meet the preset irrigation rate correction requirements (1) to (4), and then the first round of the third automatic correction of the initial irrigation rate of the irrigation project is carried out; if the corrected irrigation rate still cannot meet the preset irrigation rate correction requirements (1) to (4), then the planting structure of various representative crops is adjusted according to the preset irrigation rate correction requirements (7), and then the second round of the first correction of the initial irrigation rate of the irrigation project is started according to the correction method of the first round of the first automatic correction, and so on, until the design irrigation rate that meets the preset irrigation rate correction requirements (1) to (6) is obtained. Table 1 shows the automatic correction cycle process of the initial irrigation rate of the irrigation project.

[0081] Planting structure refers to the ratio of the irrigation area of ​​representative crops to the irrigation area of ​​irrigation projects. The planting structure of various representative crops mainly refers to the agricultural development plan of the area where the irrigation project is located, the development direction of characteristic agricultural planting and other information, and is moderately adjusted within a reasonable range. The direction and value of the planting structure adjustment are pre-set into the data dictionary for automatic correction. The adjusted comprehensive irrigation quota of the irrigation project does not exceed the water-saving requirements of the comprehensive agricultural water quota of the corresponding area.

[0082] Table 1 Automatic correction flow chart of agricultural irrigation rate in irrigation area projects

[0083]

[0084] Step 4: Check the rationality of the designed irrigation rate of the irrigation project.

[0085] The rationality check mainly includes: comparative analysis of the initial irrigation rate and the designed irrigation rate, statistical analysis of whether the correction period, correction value and correction direction of the initial irrigation rate are in line with the regional agricultural water use characteristics and regional agricultural irrigation habits, and analysis of whether the initial irrigation rate is coordinated with the designed irrigation rate results of adjacent areas, similar projects and similar planting structures.

[0086] Specifically, the above step 4 mainly includes the following two aspects:

[0087] (I) Compare and analyze the initial irrigation rate and the design irrigation rate of the irrigation project to determine whether the design irrigation rate has abnormal values ​​(such as wrong values, values ​​that deviate too much from the initial irrigation rate, etc.), and statistically analyze the correction period, correction value, and correction direction of the initial irrigation rate to check whether the corrected design irrigation rate conforms to the laws and characteristics of regional agricultural planting water use. If the design irrigation rate of the irrigation project is unreasonable (such as the design irrigation rate has abnormal values, the design irrigation rate does not conform to the laws and characteristics of regional agricultural planting water use, etc.), return to the process of determining and automatically correcting the initial irrigation rate, adjust the representative crop planting structure according to (7) in the preset irrigation rate correction requirements, recalculate the initial irrigation rate, and re-correct the initial irrigation rate according to the correction method of the first round of the first automatic correction in step 3 until the design irrigation rate that meets the preset irrigation rate correction requirements (1) to (6), has no abnormal values, and conforms to the laws and characteristics of regional agricultural planting water use is obtained.

[0088] (ii) Compare the design irrigation rate of the irrigation project with the design irrigation rate results of adjacent areas and similar projects, and analyze whether the design irrigation rate of the irrigation project is coordinated with the compared design irrigation rate results under similar planting structures. If there is an inconsistency such as a large difference in values, return to the process of determining the initial irrigation rate and automatically correcting it, adjust the representative crop planting structure according to (7) in the preset irrigation rate correction requirements, and re-correct the initial irrigation rate according to the correction method of the first round of the first automatic correction in step 3, until a design irrigation rate that is coordinated with the design irrigation rate results of adjacent areas, similar projects, and similar planting structures is obtained.

[0089] In the process of checking the rationality of the designed irrigation rate of the irrigation project, the irrigation rate correction requirements can be continuously adjusted according to actual needs and the irrigation rate can be automatically corrected again using the adjusted irrigation rate correction requirements, so that the irrigation rate correction process can proceed in the direction of obtaining a more reasonable correction result, thereby speeding up the overall process of the agricultural irrigation rate correction link of the irrigation project.

[0090] Different from the traditional manual correction of the initial irrigation rate, the above-mentioned automatic correction method of the agricultural irrigation rate of the irrigation project presets the irrigation rate correction requirements and continuously adjusts the irrigation rate correction requirements during the correction process. It creatively combines the steps of determining the design irrigation system, determining the initial irrigation rate, automatically correcting the initial irrigation rate, and analyzing the rationality of the design irrigation rate. It adopts an input-calculation-feedback-calculation-analysis-feedback-calculation-output cyclic optimization mode to establish a timely and efficient automated feedback adjustment mechanism for the correction link of the agricultural irrigation rate of the irrigation project. The correction process and correction results of the irrigation rate are effectively connected with relevant standards and specifications, which greatly speeds up the calculation speed of the agricultural irrigation rate correction link of the irrigation project, thereby greatly improving the calculation efficiency of the design flow of the irrigation water supply and distribution project, which is helpful to efficiently analyze and fully demonstrate the economic rationality of the construction plan and scale of the irrigation water supply and distribution project.

[0091] Based on the above-mentioned irrigation area project agricultural irrigation rate automatic correction method, the embodiment of the present invention also provides an irrigation area project agricultural irrigation rate automatic correction device, see Figure 3 As shown, the automatic correction device for agricultural irrigation rate of irrigation area engineering may include the following modules:

[0092] The acquisition module 302 can be used to obtain the irrigation net quota time series data of various representative crops of the irrigation project.

[0093] The first determination module 304 can be used to determine the design irrigation system for each representative crop based on the obtained irrigation net quota time series data and the preset design guarantee rate; wherein the design irrigation system is the irrigation system of the corresponding type of representative crop in a typical year.

[0094] The second determination module 306 may be used to determine the initial irrigation rate of the irrigation project based on the designed irrigation schedules of various representative crops.

[0095] The correction module 308 can be used to iteratively correct the initial irrigation rate based on preset correction requirements to obtain the design irrigation rate of the irrigation project; wherein, each time the initial irrigation rate is corrected, a rationality check is performed on the corrected irrigation rate based on the initial irrigation rate and preset agricultural irrigation data, and the design irrigation rate is the irrigation rate after the rationality check passes.

[0096] An automatic correction device for the agricultural irrigation rate of an irrigation project provided by an embodiment of the present invention can use the irrigation net quota time series data, a preset design guarantee rate and a preset correction requirement to automatically correct the initial irrigation rate of the irrigation project and then determine the design irrigation rate of the irrigation project. It can improve the working efficiency of the agricultural irrigation rate correction link of the irrigation project, thereby facilitating the improvement of the calculation efficiency of the design flow of the irrigation water supply and distribution project, and helping to efficiently analyze and fully demonstrate the economic rationality of the construction plan and scale of the irrigation water supply and distribution project.

[0097] The above-mentioned designed irrigation system may include the designed irrigation quota and designed irrigation duration of each irrigation of the corresponding type of representative crops in a typical year; based on this, the above-mentioned second determination module 306 may also be used to: determine the first irrigation rate of each representative crop for each irrigation in a typical year based on the designed irrigation quota and designed irrigation duration corresponding to various representative crops; determine the initial irrigation rate based on the first irrigation rates corresponding to various representative crops in the same target period in a typical year.

[0098] The second determination module 306 may also be used to calculate the first irrigation rate of each representative crop for each irrigation in a typical year using the following formula based on the designed irrigation quota and designed irrigation duration corresponding to various representative crops: Among them, q ik is the first irrigation rate of the kth irrigation of the i-th representative crop in a typical year, a i is the ratio of the irrigated area of ​​the i-th representative crop to the irrigated area of ​​the irrigation project in a typical year, m ik is the designed irrigation quota for the kth irrigation of the i-th crop in a typical year, T ik It is the designed irrigation duration of the kth irrigation of the i-th representative crop in a typical year.

[0099] The second determination module 306 may also be used to: for each target period in a typical year, based on the first irrigation rates corresponding to various representative crops in the target period, calculate the second irrigation rate of the irrigation project in the target period using the following formula: Among them, q j is the second irrigation rate of the irrigation project in the jth target period in a typical year, n represents the number of crop types, q ij is the first irrigation rate of the i-th crop in the j-th target period in a typical year; the initial irrigation rate is determined based on the second irrigation rate of the irrigation project in each target period.

[0100] The above-mentioned net irrigation quota time series data can be time series data of multiple representative years; based on this, the above-mentioned first determination module 304 can also be used to: filter out from the net irrigation quota time series data at least one target year's time series data whose actual water use rate corresponds to the preset design guarantee rate as the target time series data; wherein the deviation between the actual water use rate of each target year and the preset design guarantee rate is within the preset deviation range; statistically calculate the irrigation quota time series data of each representative crop corresponding to each target year from the target time series data, and determine the irrigation system of each representative crop in a typical year based on the obtained irrigation quota time series data.

[0101] The above-mentioned first determination module 304 can also be used to: count the dry season irrigation quota and / or flood season irrigation quota of each representative crop corresponding to each target year from the irrigation quota time series data; determine the typical year based on the dry season irrigation quota and / or flood season irrigation quota of each target year, and determine the irrigation system of each representative crop in the typical year as the corresponding designed irrigation system.

[0102] The above-mentioned preset agricultural irrigation data may include preset area agricultural planting water use data and / or preset design irrigation rate data; based on this, the above-mentioned correction module 308 can also be used for: for each correction of the initial irrigation rate, comparing the revised irrigation rate with the initial irrigation rate and the preset agricultural irrigation data to determine whether the revised irrigation rate is reasonable; if the revised irrigation rate is reasonable, the rationality check of the revised irrigation rate is passed; if the revised irrigation rate is unreasonable, the ratio of the irrigation area of ​​various representative crops to the irrigation area of ​​the irrigation project is adjusted and the irrigation system based on the various representative crops is redesigned to determine the initial irrigation rate of the irrigation project.

[0103] The automatic correction device for agricultural irrigation rate of irrigation projects provided in the embodiment of the present invention has the same implementation principle and technical effects as those of the aforementioned automatic correction method for agricultural irrigation rate of irrigation projects. For the sake of brief description, for matters not mentioned in the device embodiment, reference may be made to the corresponding contents in the aforementioned method embodiment.

[0104] The embodiment of the present invention further provides an electronic device, such as Figure 4 As shown, it is a schematic diagram of the structure of the electronic device, wherein the electronic device includes a processor 41 and a memory 40, the memory 40 stores computer executable instructions that can be executed by the processor 41, and the processor 41 executes the computer executable instructions to implement the above-mentioned automatic correction method of agricultural irrigation rate of irrigation area engineering.

[0105] exist Figure 4 In the illustrated embodiment, the electronic device further includes a bus 42 and a communication interface 43 , wherein the processor 41 , the communication interface 43 and the memory 40 are connected via the bus 42 .

[0106] Among them, the memory 40 may include a high-speed random access memory (RAM), and may also include a non-volatile memory (non-volatile memory), such as at least one disk storage. The communication connection between the system network element and at least one other network element is realized through at least one communication interface 43 (which can be wired or wireless), and the Internet, wide area network, local area network, metropolitan area network, etc. can be used. The bus 42 can be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus or an EISA (Extended Industry Standard Architecture) bus, etc. The bus 42 can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 4 Only one bidirectional arrow is used in the diagram, but this does not mean that there is only one bus or only one type of bus.

[0107] The processor 41 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method can be completed by the hardware integrated logic circuit in the processor 41 or the instruction in the form of software. The above processor 41 can be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it can also be a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor. The steps of the method disclosed in the embodiment of the present invention can be directly embodied as a hardware decoding processor to execute, or it can be executed by a combination of hardware and software modules in the decoding processor. The software module can be located in a mature storage medium in the field such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, etc. The storage medium is located in the memory, and the processor 41 reads the information in the memory and completes the steps of the automatic correction method of agricultural irrigation rate of irrigation area engineering in the above-mentioned embodiment in combination with its hardware.

[0108] The computer program product of the method, device and electronic device for automatically correcting the agricultural irrigation rate of an irrigation project provided in the embodiments of the present invention includes a computer-readable storage medium storing program code. The instructions included in the program code can be used to execute the method described in the previous method embodiments. The specific implementation can be found in the method embodiments, which will not be repeated here.

[0109] Unless otherwise specifically stated, the relative steps, numerical expressions and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present invention.

[0110] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a non-volatile computer-readable storage medium that is executable by a processor. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0111] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0112] Finally, it should be noted that the above-described embodiments are only specific implementations of the present invention, which are used to illustrate the technical solutions of the present invention, rather than to limit them. The protection scope of the present invention is not limited thereto. Although the present invention is described in detail with reference to the above-described embodiments, ordinary technicians in the field should understand that any technician familiar with the technical field can still modify the technical solutions recorded in the above-described embodiments within the technical scope disclosed by the present invention, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A method for automatically correcting agricultural irrigation rate in irrigation projects, characterized in that: The method for automatically correcting the agricultural irrigation rate of the irrigation area project comprises: Obtain the time series data of net irrigation quota for various representative crops in irrigation projects; Based on the obtained irrigation net quota time series data and the preset design guarantee rate, determine the design irrigation system for each representative crop; wherein the design irrigation system is the irrigation system of the corresponding representative crop in a typical year; Determine the initial irrigation rate of the irrigation project based on the designed irrigation schedule of various representative crops; The initial irrigation rate is iteratively corrected based on preset correction requirements to obtain the design irrigation rate of the irrigation project; wherein, each time the initial irrigation rate is corrected, a rationality check is performed on the corrected irrigation rate based on the initial irrigation rate and preset agricultural irrigation data, and the design irrigation rate is the irrigation rate after the rationality check passes.

2. The method for automatically correcting the irrigation rate of agricultural irrigation projects in irrigation areas according to claim 1 is characterized in that: The designed irrigation system includes the designed irrigation quota and designed irrigation duration for each irrigation of the corresponding representative crop in a typical year; Determine the initial irrigation rate for the irrigation project based on the designed irrigation schedule for various representative crops, including: Based on the designed irrigation quota and designed irrigation duration corresponding to various representative crops, determine the first irrigation rate of each irrigation for each representative crop in a typical year; The initial irrigation rate is determined based on the first irrigation rates corresponding to various representative crops within the same target period in a typical year.

3. The method for automatically correcting the irrigation rate of agricultural irrigation projects in irrigation areas according to claim 2 is characterized in that: Based on the designed irrigation quota and designed irrigation duration corresponding to various representative crops, the first irrigation rate of each representative crop in each irrigation in a typical year is determined, including: Based on the design irrigation quota and design irrigation duration corresponding to various representative crops, the first irrigation rate of each representative crop in each irrigation in a typical year is calculated using the following formula: Among them, q ik is the first irrigation rate of the kth irrigation of the i-th representative crop in a typical year, a i is the ratio of the irrigated area of ​​the i-th representative crop to the irrigated area of ​​the irrigation project in a typical year, m ik is the designed irrigation quota for the kth irrigation of the i-th crop in a typical year, T ik It is the designed irrigation duration of the kth irrigation of the i-th representative crop in a typical year.

4. The method for automatically correcting the irrigation rate of agricultural irrigation projects in irrigation areas according to claim 2 is characterized in that: The initial irrigation rate is determined based on the first irrigation rates corresponding to various representative crops in the same target period in a typical year, including: For each target period in a typical year, based on the first irrigation rate corresponding to various representative crops in the target period, the second irrigation rate of the irrigation project in the target period is calculated using the following formula: Among them, q j is the second irrigation rate of the irrigation project in the jth target period in a typical year, n represents the number of crop types, q ij is the first irrigation rate of the i-th crop in the j-th target period in a typical year; The initial irrigation rate is determined based on the second irrigation rate of the irrigation project in each target time period.

5. The method for automatically correcting agricultural irrigation rate of irrigation area engineering according to claim 1 is characterized in that: The irrigation net quota time series data is time series data of multiple representative years; Based on the obtained irrigation net quota time series data and the preset design guarantee rate, the design irrigation system for each representative crop is determined, including: Filtering out the time series data of at least one target year in which the actual water use rate corresponds to and matches the preset design guarantee rate from the time series data of the net irrigation quota as the target time series data; wherein the deviation between the actual water use rate of each target year and the preset design guarantee rate is within a preset deviation range; The irrigation quota time series data of each representative crop corresponding to each target year is statistically obtained from the target time series data, and the irrigation system of each representative crop in a typical year is determined based on the obtained irrigation quota time series data.

6. The method for automatically correcting the irrigation rate of agricultural irrigation projects in irrigation areas according to claim 5 is characterized in that: Based on the obtained irrigation quota time series data, the irrigation system of each representative crop in a typical year is determined, including: Calculate the dry season irrigation quota and / or flood season irrigation quota for each representative crop corresponding to each target year from the irrigation quota time series data; A typical year is determined based on the dry season irrigation quota and / or flood season irrigation quota of each target year, and the irrigation system of each representative crop in the typical year is determined as the corresponding designed irrigation system.

7. The method for automatically correcting the irrigation rate of irrigation projects according to claim 2, characterized in that: The preset correction requirement includes at least one of the following: The ratio between the adjustment value of the designed irrigation duration of the same irrigation and the corresponding designed irrigation duration is not greater than a preset first ratio threshold; wherein the preset first ratio threshold is less than 1; The ratio between the adjustment value of the design irrigation quota of the same irrigation and its corresponding design irrigation quota is not greater than the preset second ratio threshold, and the design irrigation quota of the same representative crop in two adjacent irrigations is not continuously reduced; wherein the preset second ratio threshold is less than 1; The number of days for advancing or postponing the irrigation date is not greater than the preset first day threshold. If the irrigation date of two consecutive irrigations of the same representative crop needs to be changed, the irrigation date of the two consecutive irrigations of the same representative crop should be advanced or postponed at the same time. The maximum irrigation rate within a time range where the cumulative number of days is not less than a preset second number threshold is used as the design irrigation rate; wherein the preset second number threshold is greater than the preset first number threshold; The ratio between the corrected irrigation rate and the corresponding designed irrigation rate is not greater than a preset third ratio threshold and not less than a preset fourth ratio threshold; wherein the preset third ratio threshold is greater than 1, and the preset fourth ratio threshold is less than 1; During each irrigation, there is no water outage event whose duration is less than the preset third day threshold; wherein the preset third day threshold is less than the preset second day threshold; The ratio of the irrigation area of ​​each representative crop to the irrigation area of ​​the irrigation project is within the corresponding preset ratio range.

8. The method for automatically correcting agricultural irrigation rate of irrigation projects according to claim 1 is characterized in that: The preset agricultural irrigation data includes agricultural planting water use data in preset areas and / or preset designed irrigation rate data; Each time the initial irrigation rate is revised, a rationality check is performed on the revised irrigation rate based on the initial irrigation rate and preset agricultural irrigation data, including: For each revision of the initial irrigation rate, the revised irrigation rate is compared with the initial irrigation rate and the preset agricultural irrigation data to determine whether the revised irrigation rate is reasonable. If the revised irrigation rate is reasonable, the rationality check of the revised irrigation rate is passed. If the revised irrigation rate is unreasonable, the ratio of the irrigation area of ​​various representative crops to the irrigation area of ​​the irrigation project is adjusted, and the irrigation system based on the various representative crops is redesigned to determine the initial irrigation rate of the irrigation project.

9. An automatic correction device for agricultural irrigation rate in irrigation area engineering, characterized in that: The automatic correction device for agricultural irrigation rate of irrigation area engineering comprises: An acquisition module is used to obtain the irrigation net quota time series data of various representative crops in the irrigation project; The first determination module is used to determine the design irrigation system for each representative crop based on the obtained irrigation net quota time series data and the preset design guarantee rate; wherein the design irrigation system is the irrigation system of the corresponding representative crop in a typical year; The second determination module is used to determine the initial irrigation rate of the irrigation project based on the designed irrigation system of various representative crops; The correction module is used to iteratively correct the initial irrigation rate based on preset correction requirements to obtain the design irrigation rate of the irrigation project; wherein, each time the initial irrigation rate is corrected, a rationality check is performed on the corrected irrigation rate based on the initial irrigation rate and preset agricultural irrigation data, and the design irrigation rate is the irrigation rate after the rationality check passes.

10. An electronic device, characterized in that: It comprises a processor and a memory, wherein the memory stores computer executable instructions that can be executed by the processor, and the processor executes the computer executable instructions to implement the method for automatic correction of agricultural irrigation rate of irrigation area engineering as claimed in any one of claims 1 to 8.

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