CN116777675A - Water conservancy and hydropower engineering comprehensive operation and maintenance management system and method - Google Patents
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Abstract
The invention discloses a comprehensive operation and maintenance management system and method for water conservancy and hydropower engineering, which relate to the technical field of water conservancy and hydropower management, and are characterized in that key data in reservoirs, pipelines and power stations are collected in real time by utilizing a data collection module, characteristics are extracted from multi-dimensional water conservancy and hydropower data, and objective hydroelectric power generation efficiency and flow velocity difference are realizedThe influence of subjective factors is reduced, accurate basic data is provided for decision making, background personnel are helped to know the conditions of a site reservoir, a pipeline and a power station in time through the remote monitoring module, the water level degree is convenient to control, flood disasters are prevented, the relevance between the data is revealed through the comprehensive analysis module, and the flow velocity difference is objectively calculatedAnd a hydroelectric power generation factorCorresponding early warning and grade management strategies are obtained, timely guiding work is provided for adjustment and management of hydroelectric power in hydroelectric power engineering, and the efficiency of hydroelectric power is improved.
Description
Technical Field
The invention relates to the technical field of water conservancy and hydropower management, in particular to a comprehensive operation and maintenance management system and method for water conservancy and hydropower engineering.
Background
The water conservancy and hydropower engineering plays an important role all the time, and provides abundant energy resources and irrigation water sources for human beings. Along with the development of social economy and the continuous increase of energy demands, the scale and the complexity of the water conservancy and hydropower engineering are also continuously improved. In the process, the comprehensive operation and maintenance management system becomes a key task in order to ensure reasonable utilization of water resources, efficient operation of equipment and handling of emergency.
With the development of technology, traditional hydroelectric generation is increasingly dependent on informatization and intellectualization means. The data can be summarized to provide precious information for guiding operation and decision, however, in the process of converting kinetic energy of water flow into electric energy, not only is the kinetic energy of water flow influenced by the flow of water body and gravity to drive a power generation water turbine and a power generator to generate power, but also the water is guided to the power station from a water source to form a water pipe, the number of pipe corners, the water head difference and the number factor of leading ports, which often results in inaccurate system calculation results and incapability of timely providing corresponding early warning and management measures.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a comprehensive operation and maintenance management system and method for hydraulic and hydroelectric engineering, and solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the comprehensive operation and maintenance management system for the hydraulic and hydroelectric engineering comprises a data acquisition module, a remote monitoring module, a comprehensive analysis module, an early warning module and an operation and maintenance management module;
the data acquisition module is used for respectively acquiring diversion flow data, pipeline data and power station flow data in reservoirs, pipelines and power stations in the hydraulic and hydroelectric engineering, and transmitting the acquired data to the database in real time;
the remote monitoring module is used for establishing a remote monitoring system, remotely monitoring diversion flow data, pipeline data and power station flow data in real time through the Internet, and controlling water level change in the reservoir in real time;
the comprehensive analysis module is used for carrying out deep excavation on diversion flow data, pipeline data and power station flow data in hydraulic and hydroelectric engineering, and calculating, analyzing and obtaining: water level valueHead differenceLoad valueNumber of leading openingsDifference in flow velocityIndex of diversion flowFlow index of power stationAnd a hydroelectric power generation factorThe hydroelectric power generation factorObtained by the following formula:
in the method, in the process of the invention,expressed as the friction of the water flow,expressed as the efficiency of the water turbine,expressed as the efficiency of the generator,expressed as a diversion flow indexFlow index with power stationThe weight value of the sum,expressed as friction of water flowR is expressed as a correction constant;
will level the water level valueDifferential from water headCorrelating to obtain diversion flow indexThe method comprises the steps of carrying out a first treatment on the surface of the Load valueAnd the number of leading openingsCorrelating to obtain power plant flow indexThe method comprises the steps of carrying out a first treatment on the surface of the Will draw waterFlow indexFlow index with power stationComparing to obtain a flow velocity differenceThe method comprises the steps of carrying out a first treatment on the surface of the Index of diversion flowAnd power plant flow indexCorrelating to obtain hydroelectric power generation factors；
The early warning module is used for differentiating the flow velocityComparing and analyzing with a preset water flow threshold K to obtain a grade early warning strategy, and taking the hydroelectric power generation factor as a factorPerforming depth comparison analysis with a preset power generation threshold Q to obtain a grade scheme strategy;
the operation and maintenance management module is used for making corresponding adjustment and management strategies for the hydroelectric power engineering according to the grade early warning strategy and the grade scheme strategy in the early warning module.
Preferably, the data acquisition module comprises a sensor unit, a video unit and a data integration unit;
the sensor unit is used for installing a sensor and a flowmeter in the water to acquire accurate diversion flow data and power station flow data, and the diversion flow data comprises a water level valueHead differenceThe pollutant concentration, the nutrient salt content, the temperature and the flow data of the water body; the flow data of the power station comprises the water head difference in the power stationNumber of leading openingsEfficiency of water turbineAnd generator efficiencyData;
the video unit is used for installing camera equipment on water to obtain accurate diversion flow data and pipeline data, wherein the video unit comprises the shape of a water pipeline and the number of corners of the pipelineDiameter of pipeLength of pipeAnd the channel in which the water is collected in the reservoir: rainwater, rivers and lakes;
the data integration unit is used for carrying out depth analysis by combining data of the underwater sensors and data of the camera equipment, and integrating correlation among diversion flow data, pipeline data and power station flow data so as to create a comprehensive database.
Preferably, the remote monitoring module comprises a preprocessing unit and a pre-management unit;
the preprocessing unit is used for cleaning and decoding data in the database in the data integration unit, screening repeatedly collected data, and filtering useless data to save database space;
the pre-management unit is used for observing the water level fluctuation in the reservoir in real time through the sensor, when the water level in the reservoir exceeds a preset threshold set by a background manager, the water valve is opened to release part of water, the final water level result is updated to the database, the normal operation of power generation work is maintained, and flood disasters are avoided.
Preferably, the diversion flow index is obtained according to the collected diversion flow data and through depth calculation and analysisThe diversion flow indexObtained by the following formula:
in the method, in the process of the invention,the number of the corners of the pipeline is expressed,expressed as the diameter of the pipe and,expressed as the length of the pipe,expressed as a head difference of water,indicated as a water level value,respectively expressed as the number of the corners of the pipelineDiameter of pipeLength of pipeHead differenceAnd water level valueIs used for the weight value of (a),。
preferably, the load value is determined from the collected power plant flow dataAnd the number of leading openingsCorrelating to obtain power plant flow indexThe power station flow indexObtained by the following formula:
in the method, in the process of the invention,represented as the head difference in the power plant,the number of the leading ports is expressed as the number of the leading ports,respectively expressed as head difference in power stationsAnd the number of leading openingsWherein the weight value of (c) is, among other things,。
preferably, the diversion flow indexFlow index with power stationComparing to obtain a flow velocity differenceThe flow velocity differenceObtained by the following formula:
differential flow rateAnd (3) comparing and analyzing with a preset water flow threshold K to obtain a grade early warning strategy:
when (when)Obtaining a first-level early warning, and displaying the current diversion flow index in the backgroundFlow index with power stationSimilar, flow velocity differenceThe change of the system is in a safe range, and the system is in a normal running state without sending any notification and early warning measures;
when (when)Obtaining a second-level early warning, and sending a yellow early warning notice at the momentThe method is indicated to remind operators to perform more frequent monitoring so as to ensure the stability of the system operation;
when (when)Three-level early warning is obtained, and a pink early warning notice is sent at the moment, so that the impact and energy loss of the water body in the reservoir are required to be reduced;
when (when)And obtaining four-level early warning, sending a red early warning notice at the moment, immediately starting an emergency maintenance flow, closing a gate of the reservoir, and stopping water from flowing into the power station.
Preferably, the diversion flow indexAnd power plant flow indexCorrelating to obtain hydroelectric power generation factorsWill hydroelectric power generation factorPerforming depth comparison analysis with a preset power generation threshold Q to obtain a grade scheme strategy:
when the hydroelectric power generation factor isAbove a preset power generation threshold Q, i.eThe performance of the current hydroelectric power generation system is good, the water resource is fully utilized, and the system operates normally;
when the hydroelectric power generation factor isBelow a preset power generation threshold Q, i.eIndicating that the current power generation efficiency is low.
Preferably, the operation and maintenance management module comprises a management unit;
the management unit is used for dealing with emergency tasks or important tasks, setting priority, and timely processing the emergency tasks, so that the obtained corresponding grade early warning and grade scheme can be timely adopted to adopt corresponding strategies.
Preferably, the operation and maintenance management module further comprises a feedback unit;
the feedback unit is used for controlling the flow velocity difference according to the remote controlAnd a hydroelectric power generation factorAnd determining an operation and maintenance management scheme, feeding back a result to a background manager after the operation is executed, and finally confirming whether the operation is completed or successful.
A comprehensive operation and maintenance management method for water conservancy and hydropower engineering comprises the following steps:
firstly, adopting diversion flow data, pipeline data and power station flow data of a hydro-power generation link in a hydraulic and hydro-power engineering through a data acquisition module, and transmitting the diversion flow data, the pipeline data and the power station flow data to a database;
preprocessing and managing the collected data through a remote monitoring module, and monitoring the water conditions in water in real time to control the water level fluctuation in the reservoir and prevent flood disasters;
thirdly, carrying out depth analysis calculation on the data after monitoring management through a comprehensive analysis module to obtain: water level valueHead differenceLoad valueLeading-in portNumber of piecesIndex of diversion flowAnd power plant flow indexThen, calculating and fitting the flow velocity differenceAnd a hydroelectric power generation factor；
Step four, the flow velocity difference is controlled by an early warning moduleComparing and analyzing with a preset water flow threshold K to obtain a grade early warning strategy, and taking the hydroelectric power generation factor as a factorPerforming depth comparison analysis with a preset power generation threshold Q to obtain a grade scheme strategy;
and fifthly, determining and executing an operation and maintenance management scheme aiming at the obtained grade early warning strategy and grade scheme strategy through the operation and maintenance management module, and feeding back the result to a background manager.
(III) beneficial effects
The invention provides a comprehensive operation and maintenance management system and method for water conservancy and hydropower engineering. The beneficial effects are as follows:
(1) The comprehensive operation and maintenance management system for the hydraulic and hydroelectric engineering utilizes the data acquisition module to acquire key data in reservoirs, pipelines and power stations in real time, and the key data are acquired from water level valuesHead differenceLoad valueNumber of leading openingsDifference in flow velocityAnd water diversion flow indexFeatures are extracted from multi-dimensional water conservancy and hydropower data, and objective hydroelectric power generation efficiency and flow velocity difference are achievedThe influence of subjective factors is reduced, accurate basic data is provided for decision making, background personnel are helped to know the conditions of a site reservoir, a pipeline and a power station in time through the remote monitoring module, the water level degree is convenient to control, flood disasters are prevented, the relevance between the data is revealed through the comprehensive analysis module, and the flow velocity difference is objectively calculatedAnd a hydroelectric power generation factorCorresponding early warning and grade management strategies are obtained, timely guiding work is provided for adjustment and management of hydroelectric power in hydroelectric power engineering, and the efficiency of hydroelectric power is improved.
(2) The comprehensive operation and maintenance management system for the water conservancy and hydropower engineering utilizes the comprehensive analysis module to obtain the diversion flow indexAnd power plant flow indexWill draw water flow indexAnd power plant flow indexComparing with each other to obtain a flow velocity differenceThe grade early warning strategy obtained in the early warning module is utilized, and then corresponding early warning notification is sent out according to the comparison result, so that the working efficiency of background staff is further improved, and the situation of the gap between the flow velocity of water flowing into the power station from the reservoir and the flow velocity of the water of the power station is timely found.
(3) According to the comprehensive operation and maintenance management system for the hydraulic and hydroelectric engineering, the obtained grade scheme strategy is utilized in the early warning module, the intervention of manual operation of the system is reduced, the operation risk and the possibility of errors are reduced, the safety of the system is improved, the management unit in the operation and maintenance management module allows the system to set and deal with the priority of an urgent task or an important task, the quick response and timely treatment of key problems are ensured, the stable operation of a power generation system is guaranteed, the feedback unit generates an operation and maintenance management scheme according to remote monitoring data, the result is timely fed back to a background manager after the operation is executed, the instant feedback can help the manager to know the execution condition of the operation, and timely make decisions and confirm whether the operation is successful.
(4) The comprehensive operation and maintenance management method for the hydraulic and hydroelectric engineering solves the problems of acquisition of diversion flow data, pipeline data and power station flow data in a hydroelectric generation link, real-time monitoring of water and water conditions, grasping of water level change and deep calculation and analysis to obtain flow velocity difference through a data acquisition module, a remote monitoring module, a comprehensive analysis module, an early warning module and an operation and maintenance management moduleHydroelectric power generation factorAnd finally, adopting a corresponding strategy according to the corresponding grade early warning strategy and the grade scheme strategy, and feeding back an execution result to the background.
Drawings
FIG. 1 is a schematic flow diagram of a block diagram of a hydraulic and hydroelectric engineering comprehensive operation and maintenance management system;
fig. 2 is a schematic diagram of the steps of the comprehensive operation and maintenance management method for the hydraulic and hydroelectric engineering.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but 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 water conservancy and hydropower engineering plays an important role all the time, and provides abundant energy resources and irrigation water sources for human beings. Along with the development of social economy and the continuous increase of energy demands, the scale and the complexity of the water conservancy and hydropower engineering are also continuously improved. In the process, the comprehensive operation and maintenance management system becomes a key task in order to ensure reasonable utilization of water resources, efficient operation of equipment and handling of emergency.
With the development of technology, traditional hydroelectric generation is increasingly dependent on informatization and intellectualization means. The data can be summarized to provide precious information for guiding operation and decision, however, in the process of converting kinetic energy of water flow into electric energy, not only is the kinetic energy of water flow influenced by the flow of water body and gravity to drive a power generation water turbine and a power generator to generate power, but also the water is guided to the power station from a water source to form a water pipe, the number of pipe corners, the water head difference and the number factor of leading ports, which often results in inaccurate system calculation results and incapability of timely providing corresponding early warning and management measures.
Example 1
Referring to fig. 1, the invention provides a comprehensive operation and maintenance management system for hydraulic and hydroelectric engineering, which comprises a data acquisition module, a remote monitoring module, a comprehensive analysis module, an early warning module and an operation and maintenance management module;
the data acquisition module is used for respectively acquiring diversion flow data, pipeline data and power station flow data in reservoirs, pipelines and power stations in the hydraulic and hydroelectric engineering, and transmitting the acquired data to the database in real time;
the remote monitoring module is used for establishing a remote monitoring system, remotely monitoring diversion flow data, pipeline data and power station flow data in real time through the Internet, and controlling water level change in the reservoir in real time;
the comprehensive analysis module is used for carrying out deep excavation on diversion flow data, pipeline data and power station flow data in hydraulic and hydroelectric engineering, and calculating, analyzing and obtaining: water level valueHead differenceLoad valueNumber of leading openingsDifference in flow velocityIndex of diversion flowFlow index of power stationAnd a hydroelectric power generation factorThe hydroelectric power generation factorObtained by the following formula:
in the method, in the process of the invention,expressed as water flow friction, including frictional resistance between the body of water and the pipe wall,expressed as the efficiency of the water turbine,expressed as the efficiency of the generator,expressed as a diversion flow indexFlow index with power stationThe weight value of the sum,expressed as friction of water flowR is expressed as a correction constant;
will level the water level valueDifferential from water headCorrelating to obtain diversion flow indexThe method comprises the steps of carrying out a first treatment on the surface of the Load valueAnd the number of leading openingsCorrelating to obtain power plant flow fingersNumber of digitsThe method comprises the steps of carrying out a first treatment on the surface of the Index of diversion flowFlow index with power stationComparing to obtain a flow velocity differenceThe method comprises the steps of carrying out a first treatment on the surface of the Index of diversion flowAnd power plant flow indexCorrelating to obtain hydroelectric power generation factorsFriction of the water flowObtained by using the western-Wei Ci Bach equation.
The early warning module is used for differentiating the flow velocityComparing and analyzing with a preset water flow threshold K to obtain a grade early warning strategy, and taking the hydroelectric power generation factor as a factorPerforming depth comparison analysis with a preset power generation threshold Q to obtain a grade scheme strategy;
the operation and maintenance management module is used for making corresponding adjustment and management strategies for the hydroelectric power engineering according to the grade early warning strategy and the grade scheme strategy in the early warning module.
In the operation of the system, key data in reservoirs, pipelines and power stations, including diversion flow data, pipeline data and power station flow data, are acquired in real time from multiple dimensionsFeatures are extracted from water conservancy and hydropower data, and objective hydroelectric generation efficiency and flow velocity difference are realizedThe remote monitoring module is used for helping background personnel to timely know the conditions of a site reservoir, a pipeline and a power station, the water level degree is convenient to control, flood disasters are prevented, the relevance between data is revealed through the comprehensive analysis module, and the flow velocity difference is objectively calculatedAnd a hydroelectric power generation factorCorresponding early warning and grade management strategies are obtained, guidance is provided for adjustment and management of hydroelectric power generation in hydroelectric power engineering, and efficiency and reliability are improved.
Example 2
Referring to fig. 1, the following details are: the data acquisition module comprises a sensor unit, a video unit and a data integration unit;
the sensor unit is used for installing a sensor and a flowmeter in the water to acquire accurate diversion flow data and power station flow data, and the diversion flow data comprises a water level valueHead differenceThe pollutant concentration, the nutrient salt content, the temperature and the flow data of the water body; the flow data of the power station comprises the water head difference in the power stationNumber of leading openingsEfficiency of water turbineAnd generator efficiencyData;
the video unit is used for installing camera equipment on water to obtain accurate diversion flow data and pipeline data, wherein the video unit comprises the shape of a water pipeline and the number of corners of the pipelineDiameter of pipeLength of pipeAnd the channel in which the water is collected in the reservoir: rainwater, rivers and lakes;
the data integration unit is used for carrying out depth analysis by combining data of the underwater sensors and data of the camera equipment, and integrating correlation among diversion flow data, pipeline data and power station flow data so as to create a comprehensive database.
The remote monitoring module comprises a preprocessing unit and a pre-management unit;
the preprocessing unit is used for cleaning and decoding data in the database in the data integration unit, screening repeatedly collected data, and filtering useless data to save database space;
the pre-management unit is used for observing the water level fluctuation in the reservoir in real time through the sensor, when the water level in the reservoir exceeds a preset threshold set by a background manager, the water valve is opened to release part of water, the final water level result is updated to the database, the normal operation of power generation work is maintained, and flood disasters are avoided.
Example 3
Referring to fig. 1, the following details are: according to the collected diversion flow data, obtaining diversion flow index through depth calculation and analysisThe diversion flow indexObtained by the following formula:
in the method, in the process of the invention,the number of the corners of the pipeline is expressed,expressed as the diameter of the pipe and,expressed as the length of the pipe,expressed as a head difference of water,indicated as a water level value,respectively expressed as the number of the corners of the pipelineDiameter of pipeLength of pipeHead differenceAnd water level valueIs used for the weight value of (a),。
load values are determined from the acquired power plant flow dataAnd the number of leading openingsCorrelating to obtain power plant flow indexThe power station flow indexObtained by the following formula:
in the method, in the process of the invention,represented as the head difference in the power plant,the number of the leading ports is expressed as the number of the leading ports,respectively expressed as head difference in power stationsAnd the number of leading openingsWherein the weight value of (c) is, among other things,。
number of pipe cornersThe collection of the water flow direction is used for determining the change times of the water flow direction;
the number of the corners of the pipelineDiameter of pipeAnd length of pipeAcquisition is carried out through a laser ranging sensor;
head differenceExpressed as the vertical distance of water flow from high to low reservoirs and the head difference in power stationsThe vertical distance, expressed as the flow of water from high to low in the power plant, is obtained by means of a pressure sensor and a camera;
water level valueThe method comprises the steps of obtaining through a camera and a laser ranging sensor;
number of leading openingsThe value of the inlet, expressed as the introduction of a body of water into the power plant, is obtained by detection by means of a camera.
Index of diversion flowFlow index with power stationComparing to obtain a flow velocity differenceThe flow velocity differenceObtained by the following formula:
differential flow rateAnd (3) comparing and analyzing with a preset water flow threshold K to obtain a grade early warning strategy:
when (when)Obtaining a first-level early warning, and displaying the current diversion flow index in the backgroundFlow index with power stationSimilar, flow velocity differenceThe change of the system is in a safe range, and the system is in a normal running state without sending any notification and early warning measures;
when (when)Obtaining a secondary early warning, and sending a yellow early warning notice at the moment, wherein the yellow early warning notice is indicated as reminding an operator to monitor more frequently so as to ensure the running stability of the system;
when (when)Three-level early warning is obtained, and a pink early warning notice is sent at the moment, so that the impact and energy loss of the water body in the reservoir need to be reduced, such as the number of the closed part leading ports；
When (when)And obtaining four-level early warning, sending a red early warning notice at the moment, immediately starting an emergency maintenance flow, closing a gate of the reservoir, and stopping water from flowing into the power station.
In this embodiment, the data acquisition module and the remote monitoring module acquire and sort the updated dataDepth calculation to obtain diversion flow indexAnd power plant flow indexWill draw water flow indexAnd power plant flow indexComparing with each other to obtain a flow velocity differenceAnd sending out corresponding early warning notification according to the comparison result by utilizing the grade early warning strategy obtained in the early warning module, and reminding a background worker of the following working key and management strategy.
Example 4
Referring to fig. 1, the following details are: index of diversion flowAnd power plant flow indexCorrelating to obtain hydroelectric power generation factorsWill hydroelectric power generation factorPerforming depth comparison analysis with a preset power generation threshold Q to obtain a grade scheme strategy:
when the hydroelectric power generation factor isAbove a preset power generation threshold Q, i.eIndicating that the current hydroelectric power generation system has better performance,the water resource is fully utilized, the system operates normally, and the state is kept continuously;
when the hydroelectric power generation factor isBelow a preset power generation threshold Q, i.eIndicating that the current power generation efficiency is low, and automatically starting the power generation device when the current power generation efficiency is lowAnd (3) implementing a strategy for stopping water from flowing into the power station.
The operation and maintenance management module comprises a management unit;
the management unit is used for dealing with emergency tasks or important tasks, setting priority, and timely processing the emergency tasks, so that the obtained corresponding grade early warning and grade scheme can be timely adopted to adopt corresponding strategies.
The operation and maintenance management module further comprises a feedback unit;
the feedback unit is used for controlling the flow velocity difference according to the remote controlAnd a hydroelectric power generation factorAnd determining an operation and maintenance management scheme, feeding back a result to a background manager after the operation is executed, and finally confirming whether the operation is completed or successful.
In this embodiment, the system is able to evaluate the efficiency of hydroelectric power generation in real time by correlating the diversion flow index, the power plant flow index, and the hydroelectric power generation factor; using the obtained grade scheme strategy obtained from the early warning module when the hydroelectric power generation factors areWhen the water resource is higher than the preset power generation threshold Q, the water resource can be ensured to be fully utilized, the high-efficiency energy output is realized, and the water resource is used as the hydroelectric power generation factorWhen the water inflow is lower than a preset power generation threshold Q, the inflow of water is automatically stopped, the system reduces the intervention of manual operation, reduces the operation risk and the possibility of errors, improves the safety of the system, allows the system to set and deal with emergency tasks or important tasks by a management unit in an operation and maintenance management module, generates an operation and maintenance management scheme according to remote monitoring data by a feedback unit, and feeds back the result to a background manager in time after the operation is executed.
Example 5
Referring to fig. 1 and 2, the following details are: a comprehensive operation and maintenance management method for water conservancy and hydropower engineering comprises the following steps:
firstly, adopting diversion flow data, pipeline data and power station flow data of a hydro-power generation link in a hydraulic and hydro-power engineering through a data acquisition module, and transmitting the diversion flow data, the pipeline data and the power station flow data to a database;
preprocessing and managing the collected data through a remote monitoring module, and monitoring the water conditions in water in real time to control the water level fluctuation in the reservoir and prevent flood disasters;
thirdly, carrying out depth analysis calculation on the data after monitoring management through a comprehensive analysis module to obtain: water level valueHead differenceLoad valueNumber of leading openingsIndex of diversion flowAnd power plant flow indexThen, calculating and fitting the flow velocity differenceAnd a hydroelectric power generation factor；
Step four, the flow velocity difference is controlled by an early warning moduleComparing and analyzing with a preset water flow threshold K to obtain a grade early warning strategy, and taking the hydroelectric power generation factor as a factorPerforming depth comparison analysis with a preset power generation threshold Q to obtain a grade scheme strategy;
and fifthly, determining and executing an operation and maintenance management scheme aiming at the obtained grade early warning strategy and grade scheme strategy through the operation and maintenance management module, and feeding back the result to a background manager.
In the method, the water diversion flow data, pipeline data and power station flow data in the hydroelectric generation link are acquired through the first step to the fifth step, the conditions of water and water are monitored in real time through a remote monitoring module, the water level change is mastered, and the acquired data are subjected to deep calculation and analysis to obtain the water diversion flow indexFlow index of power stationDifference in flow velocityHydroelectric power generation factorDifferential the flow velocityComparing and analyzing the water flow threshold value K with a preset water flow threshold value K, and generating a hydroelectric power factorHydroelectric power generation factorAnd carrying out depth comparison analysis with a preset power generation threshold Q to respectively obtain a grade early warning strategy and a grade scheme strategy, finally adopting a corresponding strategy according to the corresponding grade early warning, and feeding back an execution result to the background so as to be convenient for finding out the problem which is not yet finished in time.
Examples: the hydraulic and hydroelectric engineering integrated operation and maintenance management system and method are introduced into a hydraulic and hydroelectric engineering plant, and the following is an example of a hydraulic and hydroelectric engineering with a certain strength:
and (3) data acquisition:
reservoir water level value:25 meters;
diameter of pipe:1.5 Rice;
length of pipe: 500. rice;
head difference:150 meters;
head difference in power station:150 meters:
load value：122.7；
Number of pipe corners：6；
Number of leading openings：11；
Efficiency of water turbine：85%；
Efficiency of generator：90%；
From the above data, the following calculations can be made:
index of diversion flow=（6*+1.5*+500*+150*+25*）/ =110.4；
Flow index of power station==79.77+36.63= 116.4；
Difference in flow velocity==6.0, obtaining a first-level early warning, and displaying the current diversion flow index in the backgroundFlow index with power stationSimilar, flow velocity differenceThe change of (2) is in a safe range, and the system is in a normal running state without sending any notification and early warning measures.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A comprehensive operation and maintenance management system for water conservancy and hydropower engineering is characterized in that: the system comprises a data acquisition module, a remote monitoring module, a comprehensive analysis module, an early warning module and an operation and maintenance management module;
the data acquisition module is used for respectively acquiring diversion flow data, pipeline data and power station flow data in reservoirs, pipelines and power stations in the hydraulic and hydroelectric engineering, and transmitting the acquired data to the database in real time;
the remote monitoring module is used for establishing a remote monitoring system, remotely monitoring diversion flow data, pipeline data and power station flow data in real time through the Internet, and controlling water level change in the reservoir in real time;
the comprehensive analysis module is used for carrying out deep excavation on diversion flow data, pipeline data and power station flow data in hydraulic and hydroelectric engineering, and calculating, analyzing and obtaining: water level valueHead difference->Load ofValue->The number of leading ports->Difference in flow rate->Diversion flow index->Flow index of power station->And hydroelectric power generation factor->Said hydropower factor->Obtained by the following formula:
；
in the method, in the process of the invention,expressed as friction force of water flow->Expressed as turbine efficiency>Expressed as generator efficiency>Expressed as diversion flow index->Flow index>Weight value of sum, +.>Expressed as friction force of water flow->R is expressed as a correction constant;
will level the water level valueDifference with water head->Correlating to obtain diversion flow index ∈>The method comprises the steps of carrying out a first treatment on the surface of the Load value +.>And the number of leading ports->Correlating to obtain a power plant flow index +.>The method comprises the steps of carrying out a first treatment on the surface of the Index of diversion flow->Flow index>Comparing to obtain the flow velocity difference->The method comprises the steps of carrying out a first treatment on the surface of the Will drawWater flow index->And Power station flow index>Correlating to obtain a hydroelectric power generation factor +.>；
The early warning module is used for differentiating the flow velocityComparing and analyzing with a preset water flow threshold K to obtain a grade early warning strategy, and carrying out hydroelectric power generation factor ++>Performing depth comparison analysis with a preset power generation threshold Q to obtain a grade scheme strategy;
the operation and maintenance management module is used for making corresponding adjustment and management strategies for the hydroelectric power engineering according to the grade early warning strategy and the grade scheme strategy in the early warning module.
2. The hydraulic and hydroelectric engineering comprehensive operation and maintenance management system according to claim 1, wherein: the data acquisition module comprises a sensor unit, a video unit and a data integration unit;
the sensor unit is used for installing a sensor and a flowmeter in the water to acquire accurate diversion flow data and power station flow data, and the diversion flow data comprises a water level valueHead difference->The pollutant concentration, the nutrient salt content, the temperature and the flow data of the water body; the power stationThe flow data comprise the head difference in the power station>The number of leading ports->Efficiency of hydroturbine>And generator efficiency->Data;
the video unit is used for installing camera equipment on water to obtain accurate diversion flow data and pipeline data, wherein the video unit comprises the shape of a water pipeline and the number of corners of the pipelineDiameter of pipe->Length of pipe->And the channel in which the water is collected in the reservoir: rainwater, rivers and lakes;
the data integration unit is used for carrying out depth analysis by combining data of the underwater sensors and data of the camera equipment, and integrating correlation among diversion flow data, pipeline data and power station flow data so as to create a comprehensive database.
3. The hydraulic and hydroelectric engineering comprehensive operation and maintenance management system according to claim 2, wherein: the remote monitoring module comprises a preprocessing unit and a pre-management unit;
the preprocessing unit is used for cleaning and decoding data in the database in the data integration unit, screening repeatedly collected data, and filtering useless data to save database space;
the pre-management unit is used for observing the water level fluctuation in the reservoir in real time through the sensor, when the water level in the reservoir exceeds a preset threshold set by a background manager, the water valve is opened to release part of water, the final water level result is updated to the database, the normal operation of power generation work is maintained, and flood disasters are avoided.
4. The hydraulic and hydroelectric engineering comprehensive operation and maintenance management system according to claim 3, wherein: according to the collected diversion flow data, obtaining diversion flow index through depth calculation and analysisThe diversion flow index->Obtained by the following formula:
；
in the method, in the process of the invention,expressed as the number of corners of the pipeline>Expressed as diameter of the pipe, ">Expressed as the length of the pipe, ">Expressed as head difference>Expressed as water level value>Respectively expressed as the number of the pipe corners->Diameter of pipe->Length of pipe->Head difference->And water level value->Weight value of->。
5. The hydraulic and hydroelectric engineering comprehensive operation and maintenance management system according to claim 4, wherein: load values are determined from the acquired power plant flow dataAnd the number of leading ports->Correlating to obtain a power plant flow index +.>The power station flow index->Obtained by the following formula:
；
in the method, in the process of the invention,expressed as head difference in power station>Expressed as the number of lead ports->Respectively expressed as head difference in power station>And the number of leading ports->Wherein ∈10 is a weight value of->。
6. The hydraulic and hydroelectric engineering comprehensive operation and maintenance management system according to claim 5, wherein: index of diversion flowFlow index>Comparing to obtain the flow velocity difference->Said flow rate difference->Obtained by the following formula:
；
differential flow rateAnd (3) comparing and analyzing with a preset water flow threshold K to obtain a grade early warning strategy:
when (when)Obtaining a first-level early warning, and displaying the current diversion flow index in the background>Flow index>Near, flow rate difference->The change of the system is in a safe range, and the system is in a normal running state without sending any notification and early warning measures;
when (when)Obtaining a secondary early warning, and sending a yellow early warning notice at the moment, wherein the yellow early warning notice is indicated as reminding an operator to monitor more frequently so as to ensure the running stability of the system;
when (when)Three-level early warning is obtained, and a pink early warning notice is sent at the moment, so that the impact and energy loss of the water body in the reservoir are required to be reduced;
when (when)And obtaining four-level early warning, sending a red early warning notice at the moment, immediately starting an emergency maintenance flow, closing a gate of the reservoir, and stopping water from flowing into the power station.
7. The hydraulic and hydroelectric engineering comprehensive operation and maintenance device according to claim 6The management system is characterized in that: index of diversion flowAnd Power station flow index>Correlating to obtain a hydroelectric power generation factor +.>Hydroelectric power generation factor->Performing depth comparison analysis with a preset power generation threshold Q to obtain a grade scheme strategy:
when the hydroelectric power generation factor isAbove a preset power generation threshold Q, i.e. +.>The performance of the current hydroelectric power generation system is good, the water resource is fully utilized, and the system operates normally;
when the hydroelectric power generation factor isWhen the power generation threshold value Q is lower than the preset power generation threshold value Q, namely +.>Indicating that the current power generation efficiency is low.
8. The hydraulic and hydroelectric engineering comprehensive operation and maintenance management system according to claim 7, wherein: the operation and maintenance management module comprises a management unit;
the management unit is used for dealing with emergency tasks or important tasks, setting priority, and timely processing the emergency tasks, so that the obtained corresponding grade early warning and grade scheme can be timely adopted to adopt corresponding strategies.
9. The hydraulic and hydroelectric engineering comprehensive operation and maintenance management system according to claim 8, wherein: the operation and maintenance management module further comprises a feedback unit;
the feedback unit is used for controlling the flow velocity difference according to the remote controlAnd hydroelectric power generation factor->And determining an operation and maintenance management scheme, feeding back a result to a background manager after the operation is executed, and finally confirming whether the operation is completed or successful.
10. A comprehensive operation and maintenance management method for water conservancy and hydropower engineering is characterized in that: the method comprises the following steps:
firstly, adopting diversion flow data, pipeline data and power station flow data of a hydro-power generation link in a hydraulic and hydro-power engineering through a data acquisition module, and transmitting the diversion flow data, the pipeline data and the power station flow data to a database;
preprocessing and managing the collected data through a remote monitoring module, and monitoring the water conditions in water in real time to control the water level fluctuation in the reservoir and prevent flood disasters;
thirdly, carrying out depth analysis calculation on the data after monitoring management through a comprehensive analysis module to obtain: water level valueHead difference->Load value->The number of leading ports->Diversion flow index->And Power station flow index>After that, the fitting flow rate difference is calculated>And hydroelectric power generation factor->；
Step four, the flow velocity difference is controlled by an early warning moduleComparing and analyzing with a preset water flow threshold K to obtain a grade early warning strategy, and carrying out hydroelectric power generation factor +.>Performing depth comparison analysis with a preset power generation threshold Q to obtain a grade scheme strategy;
and fifthly, determining and executing an operation and maintenance management scheme aiming at the obtained grade early warning strategy and grade scheme strategy through the operation and maintenance management module, and feeding back the result to a background manager.
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