CN114660268B - Water retention layer seepage monitoring system for farmland raising area of reservoir inundation area - Google Patents
Water retention layer seepage monitoring system for farmland raising area of reservoir inundation area Download PDFInfo
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Abstract
The invention discloses a farmland lifting water retention layer seepage monitoring system of a reservoir inundation area, relates to the technical field of water retention layer seepage monitoring, solves the technical problem of reduced accuracy of water retention layer seepage monitoring in the prior art, judges the influence of reservoir operation on a farmland lifting area, thereby improving the accuracy of farmland lifting area monitoring and enhancing the use safety and stability of the farmland lifting area; the environmental quantity around the field lifting area is analyzed, the influence of the environmental quantity around the field lifting area is obtained in real time, and the monitoring strength of the field lifting area and the high efficiency of seepage supervision are improved; judging the real-time state of the base material layer corresponding to the field lifting area, thereby monitoring the quality of the current field lifting area, improving the accuracy of monitoring the water retention layer by carrying out the water retention layer analysis after quality monitoring, controlling the cost of monitoring the water retention layer, and preventing the water retention layer analysis from being carried out when the base material layer is not abnormal, so that the monitoring cost is unnecessarily wasted.
Description
Technical Field
The invention relates to the technical field of water retention layer seepage monitoring, in particular to a farmland cultivation water retention layer seepage monitoring system in a field lifting area of a reservoir inundation area.
Background
The field lifting project mainly comprises the steps of lifting the cultivated land in the shallow inundated area of the reservoir to a non-inundated elevation of the reservoir, and carrying out field engineering construction on the lifted cultivated land so that the lifted cultivated land meets the agricultural production requirement. The vast majority of farmlands in the field lifting area in the isthmus reservoir area are farmlands for planting rice (hereinafter referred to as paddy fields), and a small amount of cultivated lands are other agricultural production lands, so that the field lifting engineering construction standard is designed according to the farmland standard of paddy fields.
However, in the prior art, in the process of completing development and using the field lifting area, the surrounding environment influence of the current area cannot be analyzed, so that the use safety of the field lifting area is reduced; meanwhile, the basic material layer in the field lifting area cannot be analyzed, so that the accuracy of water retention layer seepage supervision is reduced, the time for water retention layer supervision cannot be controlled, and unnecessary waste of cost is caused.
In view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The invention aims to solve the problems, and provides a farmland water retention layer seepage monitoring system for a field lifting area of a reservoir inundation area, which is used for analyzing reservoir operation of the field lifting area and judging the influence of the reservoir operation on the field lifting area, so that the accuracy of monitoring the field lifting area is improved, and the use safety and stability of the field lifting area are enhanced; the environmental quantity around the field lifting area is analyzed, the influence of the environmental quantity around the field lifting area is obtained in real time, and the monitoring strength of the field lifting area and the high efficiency of seepage supervision are improved; judging the real-time state of the base material layer corresponding to the field lifting area, thereby monitoring the quality of the current field lifting area, improving the accuracy of monitoring the water retention layer by carrying out the water retention layer analysis after quality monitoring, controlling the cost of monitoring the water retention layer, and preventing the water retention layer analysis from being carried out when the base material layer is not abnormal, so that the monitoring cost is unnecessarily wasted.
The aim of the invention can be achieved by the following technical scheme:
the field area is lifted to reservoir inundation district cultivated land water conservation layer seepage flow monitoring system includes:
the reservoir operation monitoring unit is used for analyzing the reservoir operation of the field lifting area, generating a high-intensity operation signal, a low-intensity operation signal and a corresponding reservoir operation monitoring coefficient X through analysis, and transmitting the high-intensity operation signal, the low-intensity operation signal and the corresponding reservoir operation monitoring coefficient X to the basic material layer analysis unit and the water retention layer analysis unit;
the real-time environment quantity monitoring unit is used for analyzing the surrounding environment of the field lifting area, generating an environment quantity influence signal, an environment quantity non-influence signal and a corresponding environment monitoring coefficient C through analysis, and transmitting the environment quantity influence signal, the environment quantity non-influence signal and the corresponding environment monitoring coefficient C to the basic material layer analysis unit and the water-retaining layer analysis unit;
the basic material layer analysis unit is used for analyzing the basic material layer in the field lifting area in real time, generating basic material layer abnormal signals and basic material layer normal signals through analysis, and transmitting the basic material layer abnormal signals and the basic material layer normal signals to the water-retaining layer analysis unit;
the water retention layer analysis unit is used for receiving the normal signal of the basic material layer, generating a real-time seepage primary monitoring signal and a real-time seepage secondary monitoring signal according to the received high-intensity operation signal or the environment quantity influence signal, and sending the signals to the real-time seepage monitoring unit together;
and the real-time seepage monitoring unit is used for performing seepage monitoring on the water-retaining layer corresponding to the field lifting area.
As a preferred embodiment of the present invention, the reservoir operation monitoring unit operates as follows:
acquiring the water level difference before and after opening the gate of the reservoir where the field lifting area is located, and marking the water level difference before and after opening the gate of the reservoir where the field lifting area is located as SWC; obtaining the maximum instantaneous water discharge amount and the average daily accumulated flow of the reservoir where the field lifting area is located, and marking the maximum instantaneous water discharge amount and the average daily accumulated flow of the reservoir where the field lifting area is located as FSL and JLL respectively; acquiring a reservoir operation monitoring coefficient X corresponding to the field lifting area through analysis;
comparing the reservoir operation monitoring coefficient X corresponding to the field lifting area with a reservoir operation monitoring coefficient threshold value:
if the reservoir operation monitoring coefficient X corresponding to the field lifting area exceeds the reservoir operation monitoring coefficient threshold value, judging that the current reservoir operation is high-intensity operation, generating a high-intensity operation signal, and sending the high-intensity operation signal and the corresponding reservoir operation monitoring coefficient to the basic material layer analysis unit and the water retention layer analysis unit together; if the reservoir operation monitoring coefficient X corresponding to the field lifting area does not exceed the reservoir operation monitoring coefficient threshold value, judging that the current reservoir operation is in low-intensity operation, generating a low-intensity operation signal, and sending the low-intensity operation signal and the corresponding reservoir operation monitoring coefficient to the basic material layer analysis unit and the water retention layer analysis unit together.
As a preferred embodiment of the present invention, the operation process of the real-time environmental quantity monitoring unit is as follows:
obtaining the maximum rainfall of the field lifting area corresponding to the surrounding environment, and marking the maximum rainfall of the field lifting area surrounding environment as YL; acquiring seepage pressure and average seepage flow of a corresponding dam body of a reservoir belonging to the field lifting area, and marking the seepage pressure and average seepage flow of the corresponding dam body of the reservoir belonging to the field lifting area as LL and SL respectively;
acquiring a surrounding real-time environment monitoring coefficient C of the field lifting area through analysis; comparing the surrounding real-time environment monitoring coefficient C of the field lifting area with a real-time environment influence monitoring coefficient threshold value: if the surrounding real-time environment monitoring coefficient C of the field lifting area exceeds the real-time environment influence monitoring coefficient threshold, judging that the real-time environment quantity of the corresponding field lifting area is unqualified, generating an environment quantity influence signal, and sending the environment quantity influence signal and the corresponding environment monitoring coefficient C to the basic material layer analysis unit and the water retention layer analysis unit together;
if the surrounding real-time environment monitoring coefficient C of the field lifting area does not exceed the real-time environment influence monitoring coefficient threshold value, judging that the real-time environment quantity corresponding to the field lifting area is qualified, generating an environment quantity non-influence signal, and sending the environment quantity non-influence signal and the corresponding environment monitoring coefficient C to the basic material layer analysis unit and the water retention layer analysis unit together.
As a preferred embodiment of the present invention, the basic material layer analysis unit operates as follows:
carrying out field lifting region division according to the construction time period of the field lifting region, obtaining i construction subareas through the field lifting region division, wherein i is a natural number larger than 1, and the division basis of the construction subareas is the construction time period; acquiring levelness of the connecting transverse seam of the adjacent construction subarea in the field lifting area and gradient values formed by the adjacent construction subarea in the field lifting area, and marking the levelness of the connecting transverse seam of the adjacent construction subarea in the field lifting area and the gradient values formed by the adjacent construction subarea in the field lifting area as SPDi and PDZi respectively; obtaining an analysis coefficient Gi of a basic material layer corresponding to the field lifting area through analysis;
comparing the analysis coefficient Gi of the foundation material layer corresponding to the field lifting area with the analysis coefficient threshold value of the foundation material layer: if the analysis coefficient Gi of the foundation material layer corresponding to the field lifting area exceeds the analysis coefficient threshold value of the foundation material layer, judging that the real-time state of the foundation material layer is abnormal, generating an abnormal signal of the foundation material layer and sending the abnormal signal of the foundation material layer to the water-retaining layer analysis unit; if the analysis coefficient Gi of the foundation material layer corresponding to the field lifting area does not exceed the analysis coefficient threshold of the foundation material layer, judging that the real-time state of the foundation material layer is normal, generating a normal signal of the foundation material layer and sending the normal signal of the foundation material layer to the water-retaining layer analysis unit.
As a preferred embodiment of the invention, after the water retention layer analysis unit receives the normal signal of the basic material layer, if a high-intensity operation signal or an environment quantity influence signal is received at the same time, the corresponding increase speed of the corresponding reservoir operation monitoring coefficient or the environment monitoring coefficient is respectively compared with the increase speed threshold of the operation monitoring coefficient and the increase speed threshold of the environment monitoring coefficient, if any monitoring coefficient exceeds the corresponding increase speed threshold, a real-time seepage primary supervision signal is generated and is sent to the real-time seepage supervision unit; and after the water-retaining layer analysis unit receives the basic material layer abnormal signal, immediately generating a real-time seepage secondary monitoring signal and sending the real-time seepage secondary monitoring signal to the real-time seepage monitoring unit.
As a preferred embodiment of the invention, the real-time seepage monitoring unit directly monitors the seepage of the water retention layer after receiving the real-time seepage primary monitoring signal, and simultaneously monitors the seepage of the water retention layer while performing the rectifying maintenance on the basic material layer after receiving the real-time seepage secondary monitoring signal; the seepage supervision process of the specific water retention layer is as follows:
marking a region with seepage in the water-retaining layer as a seepage region, marking a region without seepage in the water-retaining layer as a seepage-free region, collecting a height difference value between the seepage region and the seepage-free region in the field lifting region and a seepage rate increasing speed of the corresponding seepage region, and comparing the height difference value between the seepage region and the seepage-free region in the field lifting region and the seepage rate increasing speed of the corresponding seepage region with a height difference value threshold and an increasing speed threshold respectively:
if the height difference value of the seepage area and the seepage-free area in the field lifting area exceeds a height difference value threshold, judging that the water-retaining layer has the influence of the height difference, and carrying out height difference adjustment on the corresponding seepage area and the seepage-free area to reduce the height difference; if the height difference value of the seepage area and the seepage-free area in the field lifting area exceeds a height difference value threshold, judging that the water retention layer is not affected by the height difference value, and monitoring the seepage area, wherein the seepage flow increasing speed of the corresponding seepage area does not exceed the increasing speed threshold;
if the height difference value of the seepage area and the seepage-free area in the field lifting area does not exceed the height difference value threshold value, judging that the seepage of the water-retaining layer is normal, wherein the seepage flow increasing speed of the corresponding seepage area does not exceed the increasing speed threshold value; if the height difference value of the seepage area and the seepage-free area in the field lifting area does not exceed the height difference value threshold, the seepage rate increasing speed of the corresponding seepage area exceeds the increasing speed threshold, the corresponding seepage area is maintained and adjusted, and the seepage rate of the corresponding seepage area is reduced.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the method, the reservoir operation of the field lifting area is analyzed, and the influence of the reservoir operation on the field lifting area is judged, so that the accuracy of monitoring the field lifting area is improved, and the use safety and stability of the field lifting area are enhanced; the environmental quantity around the field lifting area is analyzed, the influence of the environmental quantity around the field lifting area is obtained in real time, and the monitoring strength of the field lifting area and the high efficiency of seepage supervision are improved; judging the real-time state of the base material layer corresponding to the field lifting area, so that the quality of the current field lifting area is monitored, the accuracy of monitoring the water retention layer can be improved through water retention layer analysis after quality monitoring, meanwhile, the cost of monitoring the water retention layer can be controlled, and unnecessary waste of monitoring cost caused by water retention layer analysis when the base material layer is not abnormal is prevented;
2. according to the invention, after the real-time seepage primary monitoring signal is received, the water retention layer seepage monitoring is directly carried out, and after the real-time seepage secondary monitoring signal is received, the foundation material layer is subjected to rectifying maintenance and simultaneously subjected to the water retention layer seepage monitoring, so that the real-time safety state of the field lifting area can be effectively judged through the water retention layer seepage monitoring, the use quality of the field lifting area is improved, the potential safety hazard of the field lifting area is reduced, and the development benefit of the field lifting area is increased.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic block diagram of a system for monitoring seepage of a water retention layer of a farmland of a field raising area of a reservoir inundation area according to the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The name of lifting the field is that the field is lifted to make the cultivated land higher than the normal water storage level of the water warehouse so as to avoid being submerged. The field lifting project is to raise the cultivated land in the shallow water inundation area of the reservoir to be not lower than the land solicitation line, and to perform field engineering construction on the raised cultivated land, perfecting the irrigation and drainage conditions of the farmland, so that the raised cultivated land meets the requirements of agricultural production and adopts manual measures.
It can be understood that the soil layer structure of the field is divided into a basic material layer, a clay layer and a cultivated soil layer from bottom to top. The basic material layer is generally thicker, the soil material source is not controlled, and is mainly determined according to the specific conditions of the engineering area, and generally, the waste materials, gravel materials, weathered stones and the like are excavated. In order to prevent the clay layer from being leaked due to the sedimentation of the clay layer in future, the compactness is controlled to be not less than 0.85; the clay layer is mainly prepared from clay materials of clay material field, and the compactness is controlled to be not less than 0.90 and the minimum thickness is 35cm; the soil material sources of the surface cultivated soil layer are two, namely, the reservoir floods cultivated land, the cultivated soil layer of the cultivated soil layer is lifted, the thickness of the cultivated soil layer is about 25cm, and the mechanical leveling is adopted;
therefore, the seepage monitoring of the water retention layer corresponding to the field lifting is important, and the successful efficiency of the field lifting is affected; the system is used for carrying out seepage monitoring on the water retention layer of the field lifting area, can effectively monitor the real-time state of the field lifting area, and is shown in the figure 1;
the reservoir operation monitoring unit analyzes the reservoir operation of the field lifting area and judges the influence of the reservoir operation on the field lifting area, so that the accuracy of monitoring the field lifting area is improved, and the use safety and stability of the field lifting area are enhanced;
acquiring the water level difference before and after opening the gate of the reservoir where the field lifting area is located, and marking the water level difference before and after opening the gate of the reservoir where the field lifting area is located as SWC; obtaining the maximum instantaneous water discharge amount and the average daily accumulated flow of the reservoir where the field lifting area is located, and marking the maximum instantaneous water discharge amount and the average daily accumulated flow of the reservoir where the field lifting area is located as FSL and JLL respectively; by the formula
Acquiring a reservoir operation monitoring coefficient X corresponding to a field lifting region, wherein a1, a2 and a3 are preset proportionality coefficients, and a1 is more than a2 and more than a3 is more than 0;
comparing the reservoir operation monitoring coefficient X corresponding to the field lifting area with a reservoir operation monitoring coefficient threshold value:
if the reservoir operation monitoring coefficient X corresponding to the field lifting area exceeds the reservoir operation monitoring coefficient threshold value, judging that the current reservoir operation is high-intensity operation, generating a high-intensity operation signal, and sending the high-intensity operation signal and the corresponding reservoir operation monitoring coefficient to the basic material layer analysis unit and the water retention layer analysis unit together; if the reservoir operation monitoring coefficient X corresponding to the field lifting area does not exceed the reservoir operation monitoring coefficient threshold value, judging that the current reservoir operation is low-intensity operation, generating a low-intensity operation signal, and sending the low-intensity operation signal and the corresponding reservoir operation monitoring coefficient to the basic material layer analysis unit and the water retention layer analysis unit together;
after reservoir operation monitoring is completed, the real-time environment quantity monitoring unit analyzes the surrounding environment of the field lifting area, so that the influence of the surrounding environment on the state of the field lifting area is analyzed, and the monitoring strength and the monitoring stability of the field lifting area are improved; obtaining the maximum rainfall of the field lifting area corresponding to the surrounding environment, and marking the maximum rainfall of the field lifting area surrounding environment as YL; acquiring seepage pressure and average seepage flow of a corresponding dam body of a reservoir belonging to the field lifting area, and marking the seepage pressure and average seepage flow of the corresponding dam body of the reservoir belonging to the field lifting area as LL and SL respectively;
by the formula
Acquiring a surrounding real-time environment monitoring coefficient C of a field lifting region, wherein b1, b2 and b3 are preset proportional coefficients, b1 is more than b2 is more than b3 is more than 0, beta is an error correction factor, and the value is 1.03;
comparing the surrounding real-time environment monitoring coefficient C of the field lifting area with a real-time environment influence monitoring coefficient threshold value:
if the surrounding real-time environment monitoring coefficient C of the field lifting area exceeds the real-time environment influence monitoring coefficient threshold, judging that the real-time environment quantity of the corresponding field lifting area is unqualified, generating an environment quantity influence signal, and sending the environment quantity influence signal and the corresponding environment monitoring coefficient C to the basic material layer analysis unit and the water retention layer analysis unit together; if the surrounding real-time environment monitoring coefficient C of the field lifting area does not exceed the real-time environment influence monitoring coefficient threshold value, judging that the real-time environment quantity of the corresponding field lifting area is qualified, generating an environment quantity non-influence signal, and sending the environment quantity non-influence signal and the corresponding environment monitoring coefficient C to the basic material layer analysis unit and the water retention layer analysis unit together;
after the real-time environment quantity is monitored, the basic material layer analysis unit carries out real-time analysis on the basic material layer in the field lifting area, and judges the real-time state of the basic material layer corresponding to the field lifting area, so that the quality of the current field lifting area is monitored, the accuracy of monitoring the water retention layer can be improved through the water retention layer analysis after the quality monitoring, meanwhile, the cost of monitoring the water retention layer can be controlled, the water retention layer analysis is prevented from being carried out when the basic material layer is not abnormal, and the unnecessary waste of the monitoring cost is caused;
dividing the field lifting region according to the construction time period of the field lifting region, obtaining i construction sub-regions through the field lifting region division, wherein i is a natural number larger than 1, the division basis of the construction sub-regions is the construction time period, namely the regions constructed in the A time period are the same construction sub-regions, and after the A time period is finished, the regions constructed in the B time period are the same construction sub-regions;
acquiring levelness of the connecting transverse seam of the adjacent construction subarea in the field lifting area and gradient values formed by the adjacent construction subarea in the field lifting area, and marking the levelness of the connecting transverse seam of the adjacent construction subarea in the field lifting area and the gradient values formed by the adjacent construction subarea in the field lifting area as SPDi and PDZi respectively; by the formula
Acquiring an analysis coefficient Gi of a basic material layer corresponding to a field lifting region, wherein c1 and c2 are preset proportionality coefficients, and c1 is more than c2 is more than 0; f1 is a basic material layer influence coefficient, and when the basic material layer analysis unit receives a high-intensity operation signal and an environment quantity influence signal, the basic material layer analysis unit takes a value of 1.8; when the basic material layer analysis unit receives a high-intensity operation signal or an environment quantity influence signal, the value is 1.3; when the basic material layer analysis unit does not receive the high-intensity operation signal and the environment quantity influence signal, the value is 1;
comparing the analysis coefficient Gi of the foundation material layer corresponding to the field lifting area with the analysis coefficient threshold value of the foundation material layer:
if the analysis coefficient Gi of the foundation material layer corresponding to the field lifting area exceeds the analysis coefficient threshold value of the foundation material layer, judging that the real-time state of the foundation material layer is abnormal, generating an abnormal signal of the foundation material layer and sending the abnormal signal of the foundation material layer to the water-retaining layer analysis unit; if the analysis coefficient Gi of the foundation material layer corresponding to the field lifting area does not exceed the analysis coefficient threshold of the foundation material layer, judging that the real-time state of the foundation material layer is normal, generating a normal signal of the foundation material layer and sending the normal signal of the foundation material layer to the water-retaining layer analysis unit;
after the water-retaining layer analysis unit receives the normal signal of the basic material layer, if a high-intensity operation signal or an environment quantity influence signal is received at the same time, comparing the corresponding increase speed of the corresponding reservoir operation monitoring coefficient or the environment monitoring coefficient with an increase speed threshold of the operation monitoring coefficient and an increase speed threshold of the environment monitoring coefficient respectively, and if any monitoring coefficient exceeds the corresponding increase speed threshold, generating a real-time seepage primary monitoring signal and sending the real-time seepage monitoring signal to the real-time seepage monitoring unit; the water-retaining layer analysis unit immediately generates a real-time seepage secondary monitoring signal after receiving the basic material layer abnormal signal and sends the real-time seepage secondary monitoring signal to the real-time seepage monitoring unit;
the real-time seepage monitoring unit directly performs water-retention layer seepage monitoring after receiving the real-time seepage primary monitoring signal, and performs rectifying maintenance on the basic material layer and water-retention layer seepage monitoring at the same time after receiving the real-time seepage secondary monitoring signal, so that the real-time safety state of the field lifting area can be effectively judged through the water-retention layer seepage monitoring, the use quality of the field lifting area is improved, the potential safety hazard of the field lifting area is reduced, and the development benefit of the field lifting area is increased;
marking a region with seepage in the water-retaining layer as a seepage region, marking a region without seepage in the water-retaining layer as a seepage-free region, collecting a height difference value between the seepage region and the seepage-free region in the field lifting region and a seepage rate increasing speed of the corresponding seepage region, and comparing the height difference value between the seepage region and the seepage-free region in the field lifting region and the seepage rate increasing speed of the corresponding seepage region with a height difference value threshold and an increasing speed threshold respectively:
if the height difference value of the seepage area and the seepage-free area in the field lifting area exceeds a height difference value threshold, judging that the water-retaining layer has the influence of the height difference, and carrying out height difference adjustment on the corresponding seepage area and the seepage-free area to reduce the height difference;
if the height difference value of the seepage area and the seepage-free area in the field lifting area exceeds a height difference value threshold, judging that the water retention layer is not affected by the height difference value, and monitoring the seepage area, wherein the seepage flow increasing speed of the corresponding seepage area does not exceed the increasing speed threshold;
if the height difference value of the seepage area and the seepage-free area in the field lifting area does not exceed the height difference value threshold value, judging that the seepage of the water-retaining layer is normal, wherein the seepage flow increasing speed of the corresponding seepage area does not exceed the increasing speed threshold value;
if the height difference value of the seepage area and the seepage-free area in the field lifting area does not exceed the height difference value threshold, the seepage rate increasing speed of the corresponding seepage area exceeds the increasing speed threshold, the corresponding seepage area is maintained and adjusted, and the seepage rate of the corresponding seepage area is reduced.
The formulas are all formulas obtained by collecting a large amount of data for software simulation and selecting a formula close to a true value, and coefficients in the formulas are set by a person skilled in the art according to actual conditions;
when the system is used, the reservoir operation monitoring unit analyzes the reservoir operation of the field lifting area, generates a high-intensity operation signal, a low-intensity operation signal and a corresponding reservoir operation monitoring coefficient X through analysis, and sends the high-intensity operation signal, the low-intensity operation signal and the corresponding reservoir operation monitoring coefficient X to the basic material layer analysis unit and the water retention layer analysis unit; analyzing the surrounding environment of the field lifting area through a real-time environment quantity monitoring unit, generating an environment quantity influence signal, an environment quantity non-influence signal and a corresponding environment monitoring coefficient C through analysis, and transmitting the environment quantity influence signal, the environment quantity non-influence signal and the corresponding environment monitoring coefficient C to a basic material layer analysis unit and a water-retaining layer analysis unit; analyzing the basic material layer in the field lifting area in real time through a basic material layer analysis unit, generating basic material layer abnormal signals and basic material layer normal signals through analysis, and sending the basic material layer abnormal signals and the basic material layer normal signals to a water-retaining layer analysis unit; the method comprises the steps that a water-retaining layer analysis unit receives a normal signal of a basic material layer, generates a real-time seepage primary monitoring signal and a real-time seepage secondary monitoring signal according to a received high-strength operation signal or an environment quantity influence signal, and sends the signals to a real-time seepage monitoring unit together; and carrying out seepage supervision on the water-retaining layer corresponding to the field lifting area through a real-time seepage supervision unit.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (2)
1. The utility model provides a lift field district cultivated land water retention layer seepage flow monitoring system of reservoir inundation area which characterized in that includes:
the reservoir operation monitoring unit is used for analyzing the reservoir operation of the field lifting area, generating a high-intensity operation signal, a low-intensity operation signal and a corresponding reservoir operation monitoring coefficient X through analysis, and transmitting the high-intensity operation signal, the low-intensity operation signal and the corresponding reservoir operation monitoring coefficient X to the basic material layer analysis unit and the water retention layer analysis unit;
the real-time environment quantity monitoring unit is used for analyzing the surrounding environment of the field lifting area, generating an environment quantity influence signal, an environment quantity non-influence signal and a corresponding environment monitoring coefficient C through analysis, and transmitting the environment quantity influence signal, the environment quantity non-influence signal and the corresponding environment monitoring coefficient C to the basic material layer analysis unit and the water-retaining layer analysis unit;
the basic material layer analysis unit is used for analyzing the basic material layer in the field lifting area in real time, generating basic material layer abnormal signals and basic material layer normal signals through analysis, and transmitting the basic material layer abnormal signals and the basic material layer normal signals to the water-retaining layer analysis unit;
the water-retaining layer analysis unit generates a real-time seepage primary monitoring signal and a real-time seepage secondary monitoring signal according to the received high-intensity operation signal or environment quantity influence signal, and sends the signals to the real-time seepage monitoring unit together;
the real-time seepage monitoring unit is used for performing seepage monitoring on the water-retaining layer corresponding to the field lifting area;
the operation process of the reservoir operation monitoring unit is as follows:
acquiring the water level difference before and after opening the gate of the reservoir where the field lifting area is located, and marking the water level difference before and after opening the gate of the reservoir where the field lifting area is located as SWC; acquiring a reservoir where the field lifting area isThe maximum instantaneous water discharge amount and the average daily accumulated flow of the water reservoir in the field lifting area are marked as FSL and JLL respectively; by the formula
Acquiring a reservoir operation monitoring coefficient X corresponding to a field lifting region, wherein a1, a2 and a3 are preset proportionality coefficients, and a1 is more than a2 and more than a3 is more than 0;
comparing the reservoir operation monitoring coefficient X corresponding to the field lifting area with a reservoir operation monitoring coefficient threshold value:
if the reservoir operation monitoring coefficient X corresponding to the field lifting area exceeds the reservoir operation monitoring coefficient threshold value, judging that the current reservoir operation is high-intensity operation, generating a high-intensity operation signal, and sending the high-intensity operation signal and the corresponding reservoir operation monitoring coefficient to the basic material layer analysis unit and the water retention layer analysis unit together; if the reservoir operation monitoring coefficient X corresponding to the field lifting area does not exceed the reservoir operation monitoring coefficient threshold value, judging that the current reservoir operation is low-intensity operation, generating a low-intensity operation signal, and sending the low-intensity operation signal and the corresponding reservoir operation monitoring coefficient to the basic material layer analysis unit and the water retention layer analysis unit together;
the operation process of the real-time environment quantity monitoring unit is as follows:
obtaining the maximum rainfall of the field lifting area corresponding to the surrounding environment, and marking the maximum rainfall of the field lifting area surrounding environment as YL; acquiring seepage pressure and average seepage flow of a corresponding dam body of a reservoir belonging to the field lifting area, and marking the seepage pressure and average seepage flow of the corresponding dam body of the reservoir belonging to the field lifting area as LL and SL respectively;
by the formula
Acquiring a surrounding real-time environment monitoring coefficient C of a field lifting region, wherein b1, b2 and b3 are preset proportional coefficients, b1 is more than b2 is more than b3 is more than 0, beta is an error correction factor, and the value is 1.03; monitoring the surrounding real-time environment monitoring coefficient C and the real-time environment influence of the field lifting areaAnd comparing the coefficient measurement threshold values: if the surrounding real-time environment monitoring coefficient C of the field lifting area exceeds the real-time environment influence monitoring coefficient threshold, judging that the real-time environment quantity of the corresponding field lifting area is unqualified, generating an environment quantity influence signal, and sending the environment quantity influence signal and the corresponding environment monitoring coefficient C to the basic material layer analysis unit and the water retention layer analysis unit together;
if the surrounding real-time environment monitoring coefficient C of the field lifting area does not exceed the real-time environment influence monitoring coefficient threshold value, judging that the real-time environment quantity of the corresponding field lifting area is qualified, generating an environment quantity non-influence signal, and sending the environment quantity non-influence signal and the corresponding environment monitoring coefficient C to the basic material layer analysis unit and the water retention layer analysis unit together;
the basic material layer analysis unit operates as follows:
carrying out field lifting region division according to the construction time period of the field lifting region, obtaining i construction subareas through the field lifting region division, wherein i is a natural number larger than 1, and the division basis of the construction subareas is the construction time period; acquiring levelness of the connecting transverse seam of the adjacent construction subarea in the field lifting area and gradient values formed by the adjacent construction subarea in the field lifting area, and marking the levelness of the connecting transverse seam of the adjacent construction subarea in the field lifting area and the gradient values formed by the adjacent construction subarea in the field lifting area as SPDi and PDZi respectively; by the formula
Acquiring an analysis coefficient Gi of a basic material layer corresponding to a field lifting region, wherein c1 and c2 are preset proportionality coefficients, and c1 is more than c2 is more than 0; f1 is a basic material layer influence coefficient, and when the basic material layer analysis unit receives a high-intensity operation signal and an environment quantity influence signal, the basic material layer analysis unit takes a value of 1.8; when the basic material layer analysis unit receives a high-intensity operation signal or an environment quantity influence signal, the value is 1.3; when the basic material layer analysis unit does not receive the high-intensity operation signal and the environment quantity influence signal, the value is 1;
comparing the analysis coefficient Gi of the foundation material layer corresponding to the field lifting area with the analysis coefficient threshold value of the foundation material layer: if the analysis coefficient Gi of the foundation material layer corresponding to the field lifting area exceeds the analysis coefficient threshold value of the foundation material layer, judging that the real-time state of the foundation material layer is abnormal, generating an abnormal signal of the foundation material layer and sending the abnormal signal of the foundation material layer to the water-retaining layer analysis unit; if the analysis coefficient Gi of the foundation material layer corresponding to the field lifting area does not exceed the analysis coefficient threshold of the foundation material layer, judging that the real-time state of the foundation material layer is normal, generating a normal signal of the foundation material layer and sending the normal signal of the foundation material layer to the water-retaining layer analysis unit;
after the water-retaining layer analysis unit receives the normal signal of the basic material layer, if a high-intensity operation signal or an environment quantity influence signal is received at the same time, comparing the corresponding increase speed of the corresponding reservoir operation monitoring coefficient or the environment monitoring coefficient with an increase speed threshold of the operation monitoring coefficient and an increase speed threshold of the environment monitoring coefficient respectively, and if any monitoring coefficient exceeds the corresponding increase speed threshold, generating a real-time seepage primary monitoring signal and sending the real-time seepage monitoring signal to the real-time seepage monitoring unit; and after the water-retaining layer analysis unit receives the basic material layer abnormal signal, immediately generating a real-time seepage secondary monitoring signal and sending the real-time seepage secondary monitoring signal to the real-time seepage monitoring unit.
2. The system for monitoring the seepage of a water retention layer in a farmland of a lifting area of a reservoir inundation area according to claim 1, wherein the real-time seepage monitoring unit directly monitors the seepage of the water retention layer after receiving a real-time seepage primary monitoring signal, and performs the whole-ton maintenance on a base material layer and simultaneously monitors the seepage of the water retention layer after receiving a real-time seepage secondary monitoring signal; the seepage supervision process of the specific water retention layer is as follows:
marking a region with seepage in the water-retaining layer as a seepage region, marking a region without seepage in the water-retaining layer as a seepage-free region, collecting a height difference value between the seepage region and the seepage-free region in the field lifting region and a seepage rate increasing speed of the corresponding seepage region, and comparing the height difference value between the seepage region and the seepage-free region in the field lifting region and the seepage rate increasing speed of the corresponding seepage region with a height difference value threshold and an increasing speed threshold respectively:
if the height difference value of the seepage area and the seepage-free area in the field lifting area exceeds a height difference value threshold, judging that the water-retaining layer has the influence of the height difference, and carrying out height difference adjustment on the corresponding seepage area and the seepage-free area to reduce the height difference; if the height difference value of the seepage area and the seepage-free area in the field lifting area exceeds a height difference value threshold, judging that the water retention layer is not affected by the height difference value, and monitoring the seepage area, wherein the seepage flow increasing speed of the corresponding seepage area does not exceed the increasing speed threshold;
if the height difference value of the seepage area and the seepage-free area in the field lifting area does not exceed the height difference value threshold value, judging that the seepage of the water-retaining layer is normal, wherein the seepage flow increasing speed of the corresponding seepage area does not exceed the increasing speed threshold value; if the height difference value of the seepage area and the seepage-free area in the field lifting area does not exceed the height difference value threshold, the seepage rate increasing speed of the corresponding seepage area exceeds the increasing speed threshold, the corresponding seepage area is maintained and adjusted, and the seepage rate of the corresponding seepage area is reduced.
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