CN115508528A - River and lake water quality-hydrodynamics online intelligent monitoring system and method - Google Patents
River and lake water quality-hydrodynamics online intelligent monitoring system and method Download PDFInfo
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- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
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Abstract
The invention discloses a river and lake water quality-hydrodynamics online intelligent monitoring system and method. The method comprises the steps that water quality and hydrodynamic indexes of a river and lake water body are monitored in real time through a water quality and hydrodynamic monitoring device, the running condition of a real-time monitoring system of a video monitoring device is used, monitoring data are collected on line through a data collector, the data are subjected to investigation and interpolation processing through a terminal service system in combination with video monitoring results, an alarm is sent out when data are continuously taken, a data platform manager is reminded to overhaul, intelligent cleaning of the data is achieved through a terminal server, the data are stored in a network database, and the data are provided for a smart water affair cloud platform and a scientific research institution to take data in real time.
Description
Technical Field
The invention relates to the field of integrated online monitoring of water quality and hydrodynamics of water bodies such as rivers and lakes, in particular to an online intelligent monitoring system and method of river and lake water quality-hydrodynamics.
Background
The river and lake water quality is a main object for building and managing a smart estuary platform, hydrodynamic factors are important indexes influencing the river and lake water quality, real-time online monitoring of the water quality and hydrodynamic combined monitoring is an important work task for river and lake smart river growth management, and data guarantee for developing river and lake water quality change rules and influencing factor research is also provided. The existing river and lake water quality on-line monitoring has the problems of error and distortion of monitoring data, frequent failure of a monitoring system and the like.
In summary, the problems of high difficulty in effectively monitoring the water quality of rivers and lakes, wrong monitoring data, multiple faults of monitoring equipment and the like exist in the current smart river growth construction and management process, and the intelligent water quality-hydrodynamics online monitoring system and method are very urgent to meet the water quality monitoring requirements of the smart river growth construction management and the data requirements of the research on the hydrodynamics of the water quality of rivers and lakes.
Disclosure of Invention
The invention provides a river and lake water quality-hydrodynamics online intelligent monitoring system and method aiming at the situation that river and lake water quality monitoring data are wrong or invalid in the process of building and managing a smart estuary cloud platform and the difficulty in combined monitoring of water quality and hydrodynamics.
An online intelligent monitoring system and method of river and lake water quality-hydrodynamics, including hardware monitoring system and data processing system;
the hardware monitoring system comprises water quality on-line monitoring equipment, hydrodynamic monitoring equipment, a data acquisition unit and a terminal server.
Video monitoring equipment can the qualitative monitoring water colour, the change of turbidity, set up the water gauge and come the change of quantitative monitoring depth of water, set up the velocity of flow runner and come the video monitoring velocity of flow change, whether change colour through the water-soluble pigment of monitoring lay on hardware monitoring system simultaneously and judge that circuit system intakes, the water or the short circuit phenomenon of analysis data collection station or other system circuit in time sends the alarm to data intelligence cleaning system and wisdom estuary cloud platform.
The data processing system comprises a data intelligent cleaning, storing and reading system and a cloud data storage library. The data intelligent cleaning system judges the reasonability of the monitoring data by judging whether the monitoring data are in the range of the corresponding technical parameters. For the data abnormal phenomenon which occurs suddenly, the intelligent data cleaning system can send data error or data acquisition fault alarm to the intelligent estuary cloud platform. The cloud data storage library is used for storing and taking data based on Web development.
Preferably, the water quality on-line monitoring equipment can be sensors, on-line detection equipment or instrument instruments of various indexes, and can automatically detect the result of the water quality index in real time. The monitored water quality factors include, but are not limited to, pH, conductivity, dissolved oxygen, turbidity, temperature, ammonia nitrogen, COD, blue-green algae.
Preferably, the hydrodynamic monitoring device may be a sensor or an instrument for hydrodynamic elements, which may be automatically monitored in real time, and the monitored hydrodynamic elements include, but are not limited to, water flow, flow velocity, water depth, and the like.
Preferably, the monitoring data or results of the water quality online monitoring equipment and the hydrodynamic monitoring equipment can be captured by the data acquisition unit in real time, and the data results can be stored in an electronic signal mode through a set interface.
Preferably, the terminal server is a control center for intelligently cleaning, interpolating, storing and reading data.
Preferably, the intelligent data cleaning system can intelligently check data, perform interpolation replacement on mutation values, intelligently report errors when extreme values exceeding a range or results in wrong formats continuously appear, and send data error alarms to the intelligent water affair cloud platform.
The monitoring method of the river and lake water quality-hydrodynamics online intelligent monitoring system comprises the following steps:
s1: and data are collected and cleaned in real time. Developing a data real-time acquisition program, acquiring water quality and hydrodynamics sensor monitoring data in real time, monitoring a water gauge and a flow speed runner through video, and intelligently identifying water depth and flow speed; formulating a data intelligent cleaning rule, collecting hydrodynamic force and water quality index monitoring values in real time, judging data quality according to the cleaning rule, repairing missing and abnormal data, and finally storing the data into a server database.
S2: and (5) developing a Web application. Net develops a hydrodynamic force-water quality monitoring management application system based on Asp, and the concrete functions comprise: 1) Monitoring data query during duration, displaying a plurality of hydrodynamic and water quality indexes in the form of a curve graph, a histogram and the like by inputting query time, and counting conventional data such as a maximum value, a minimum value, an average value and the like; 2) And (5) real-time monitoring display and statistics, and updating and displaying the hydrodynamic and water quality monitoring data regularly by taking 15 minutes as a time interval. 3) And dynamic monitoring and early warning, namely judging whether the real-time updated monitoring data exceeds a threshold range or is continuously abnormal according to the threshold of each monitoring index, and performing early warning marking.
Preferably, S1 comprises the following sub-steps:
(1) And (4) data acquisition. And developing a real-time acquisition program, and calling an API (application program interface) provided by a monitoring equipment manufacturer to read various hydrodynamic force and water quality index monitoring values.
(2) And intelligently cleaning data. And (3) carrying out quality judgment on the monitoring data acquired in real time, calling a data fitting function of MATLAB (matrix laboratory) if the monitoring value is missing or abnormal (the change amplitude of the current monitoring value and the historical monitoring value is overlarge), carrying out curve fitting according to the historical monitoring data of the last day, and inferring the current monitoring value to supplement or replace.
(3) And (4) storing data. And designing a database table structure of each monitoring index based on the Mysql database, and storing the cleaned monitoring data into the database.
(4) And (5) driving at fixed time. And (4) carrying out the steps (1) to (3) once every 15 minutes to realize the timing acquisition, cleaning and storage of monitoring data.
Preferably, the data collector and the power supply equipment can be fixedly installed on the shore, the monitoring equipment is fixedly installed in the water body of the river or lake, the power supply equipment and the data collector can also be arranged on the buoy, and the monitoring equipment suspends in the water to realize flow monitoring.
The invention has the following beneficial effects:
the invention provides an economical, applicable, intelligent and convenient water quality-hydrodynamics element combined online monitoring system and method, and provides monitoring technology and data guarantee for the construction and management of a river growth intelligent cloud platform and the water quality hydrodynamics coupling simulation research.
Drawings
FIG. 1 is a flow chart of the water quality-hydrodynamics online intelligent monitoring system of the present invention;
FIG. 2 is a flow chart of the present invention for intelligent data cleansing and storage.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
The water quality on-line monitoring object of the embodiment selects 7 indexes of pH, conductivity, dissolved oxygen, turbidity, temperature, ammonia nitrogen and COD. The hydrodynamics on-line monitoring object selects 2 indexes of flow velocity and water depth. The range, accuracy and measurement method of the indices in the examples are shown in table 1 below. The cross-sectional flow in the examples was calculated by multiplying the flow velocity by the cross-sectional area.
TABLE 1
| Index name | Measuring range | Accuracy of | Measuring method |
| PH | 0-14pH | ±0.1pH | Electrode method |
| Electrical conductivity | 0～200ms/cm | ±1.5％ | Electrode method |
| Dissolved oxygen | 0～20mg/ |
1％ | Fluorescence method |
| Turbidity (suspended matter) | 0～4000NTU | ±2％ | Optical method |
| Temperature of | 0～50℃ | ±0.2℃ | Thermal resistance |
| Ammonia nitrogen | 0.00～100/1000mg/L | ±10％ | Ion selection method |
| COD | 0.00～500mg/L | ±10％ | Ultraviolet absorption method |
| Flow rate of flow | 0.021～4.5m/s | 0.001m/s | Electrode method |
| Depth of water | 0.00～50m | 0.01m | Electrode for electrochemical cellMethod of |
The water quality-hydrodynamics online monitoring system and the detection process of the embodiment are shown in fig. 1. This embodiment is directed against above-mentioned quality of water and hydrodynamics index and purchases quality of water on-line monitoring equipment and hydrodynamics monitoring facilities's monitoring sensor, constitutes monitoring facilities by sensor and corresponding accessory, through data collection station real-time acquisition monitoring data, through video monitoring facilities monitoring data collection station and index monitoring facilities operational aspect, paints water-soluble color-changing material at circuit system to this comes monitoring circuit system to intake and takes place the condition of short circuit. Video monitoring equipment monitoring and the rotational speed of the reading velocity of flow runner of record water gauge, the intelligent recognition reading to this comes from intelligence and reads depth of water and velocity of flow, provides the picture result to wisdom estuary cloud platform simultaneously, with this water quality condition of assay river course floater, turbidity, blue-green algae.
In this embodiment, the terminal server is a control center for intelligently cleaning, interpolating, storing, and reading data.
Under the control and command of the terminal server, the intelligent data cleaning system can realize intelligent data troubleshooting, interpolation replacement is carried out on the numerical values of the mutation, when the results of extreme numerical values exceeding the range or error formats continuously appear, errors are intelligently reported, and data error alarms are sent to the intelligent water affair cloud platform.
The intelligent data cleaning flow chart is shown in fig. 2, and the intelligent data cleaning system and method comprises the following steps:
firstly, data are collected and cleaned in real time. Developing a data real-time acquisition program, formulating a data intelligent cleaning rule, acquiring hydrodynamic force and water quality index monitoring values in real time, judging data quality according to the cleaning rule, repairing missing and abnormal data, and finally storing the data in a server database. The specific process steps are as follows:
(1) And (6) data acquisition. And developing a real-time acquisition program, and calling an API (application program interface) provided by a monitoring equipment manufacturer to read various hydrodynamic force and water quality index monitoring values.
(2) And intelligently cleaning data. And (3) carrying out quality judgment on the monitoring data acquired in real time, calling a data fitting function of MATLAB (matrix laboratory) if the monitoring value is missing or abnormal (the change amplitude of the current monitoring value and the historical monitoring value is overlarge), carrying out curve fitting according to the historical monitoring data of the last day, and inferring the current monitoring value to supplement or replace.
(3) And (4) storing the data. And designing a database table structure of each monitoring index based on the Mysql database, and storing the cleaned monitoring data into the database.
(4) And (5) driving at fixed time. And (4) carrying out the steps (1) to (3) once every 15 minutes, and realizing the regular acquisition, cleaning and storage of monitoring data.
Net develops hydrodynamic force-water quality monitoring management application system based on Asp, and the specific functions include: 1) Monitoring data query in a time-lapse mode, displaying a plurality of hydrodynamic force and water quality indexes in the forms of curves, histograms and the like by inputting query time, and carrying out conventional statistics on maximum values, minimum values, average values and the like; 2) And (5) real-time monitoring display and statistics, namely updating the hydrodynamic force and water quality monitoring data regularly at intervals of 15 minutes and displaying. 3) And dynamic monitoring and early warning, namely judging whether the real-time updated monitoring data exceeds the threshold range according to the threshold of each monitoring index, and performing early warning marking.
The sensor of this embodiment fixes a position in river lake water, and data collection station and solar panel also can settle solar panel and data collection station on the buoy, realize the monitoring that flows.
Claims (6)
1. An online intelligent river and lake water quality-hydrodynamics monitoring system is characterized by comprising a hardware monitoring system and a data processing system;
the hardware monitoring system comprises water quality on-line monitoring equipment, hydrodynamic monitoring equipment, video monitoring equipment, a data acquisition unit and a terminal server;
the water quality on-line monitoring equipment and the hydrodynamic monitoring equipment are monitoring equipment, and monitoring data or results of the monitoring equipment are captured by the data acquisition unit in real time;
the data acquisition unit is used for acquiring the monitoring result or data of the monitoring equipment in real time and storing the data result in an electronic signal mode through a set interface;
the video monitoring equipment is used for qualitatively monitoring the change of the color and the turbidity of the water body, setting a water gauge to quantitatively monitor the change of the water depth, setting a flow speed runner to monitor the change of the flow speed in a video mode, judging whether a circuit system enters water or not by monitoring whether a water-soluble pigment arranged on a hardware monitoring system changes color or not, and sending an alarm to the intelligent data cleaning system and the intelligent estuary cloud platform in time;
the terminal server is a control center for intelligently cleaning, interpolating, storing and reading data;
the data processing system comprises an intelligent data cleaning system, a storage and reading system and a cloud data storage library; the intelligent data cleaning system judges the reasonability of the monitored data by judging whether the monitored data are in the range corresponding to the technical parameters or not, carries out automatic interpolation processing on the abnormal data, intelligently reports errors when the results of extreme values or error formats exceeding the range continuously appear, sends data error alarms to the intelligent estuary cloud platform and prompts workers to carry out troubleshooting and overhaul; the cloud data storage library is used for storing and taking data based on Web development.
2. The system of claim 1, wherein the water quality on-line monitoring device is a sensor, an on-line detection device or an instrument for detecting the water quality index automatically in real time.
3. The system of claim 1, wherein the hydrodynamical monitoring device is a sensor or an instrument for each element of hydrodynamics, and the real-time online automatic measurement is performed.
4. The system of claim 1, wherein the online water quality monitoring device, the hydrodynamic monitoring device, the video monitoring device, the data collector, and the power supply device are mounted on a buoy to form a fixed or mobile monitoring, or the data collector and the power supply device are fixed on the shore.
5. The monitoring method of the online intelligent river and lake water quality-hydrodynamics monitoring system according to claim 1, comprising the following steps:
s1: data are collected and cleaned in real time; developing a data real-time acquisition program, acquiring water quality and hydrodynamic sensor monitoring data in real time, monitoring a water gauge and a flow speed runner through videos, and intelligently identifying water depth and flow speed; formulating a data intelligent cleaning rule, collecting hydrodynamic force and water quality index monitoring values in real time, judging data quality according to the cleaning rule, repairing missing and abnormal data, and finally storing the data in a server database;
s2: developing Web application; net develops a hydrodynamic force-water quality monitoring management application system based on Asp, and the concrete functions comprise: 1) Monitoring data query during duration, displaying a plurality of hydrodynamic and water quality indexes in the form of a curve graph, a histogram and the like by inputting query time, and counting conventional data such as a maximum value, a minimum value, an average value and the like; 2) Real-time monitoring display and statistics, and updating and displaying hydrodynamic force and water quality monitoring data at intervals of 15 minutes; 3) And dynamic monitoring and early warning, namely judging whether the real-time updated monitoring data exceeds a threshold range or is continuously abnormal according to the threshold of each monitoring index, and performing early warning marking.
6. The monitoring method of the online intelligent river and lake water quality-hydrodynamics monitoring system according to claim 5, wherein S1 comprises the following substeps:
(1) Collecting data; developing a real-time acquisition program, and calling an API (application program interface) provided by a monitoring equipment manufacturer to read various hydrodynamic force and water quality index monitoring values;
(2) Intelligently cleaning data; carrying out quality judgment on monitoring data acquired in real time, if the monitoring value is missing or abnormal (the variation amplitude of the current monitoring value and the historical monitoring value is overlarge), calling a data fitting function of MATLAB, carrying out curve fitting according to the historical monitoring data of the last day, and inferring the current monitoring value to supplement or replace;
(3) Storing data; designing a database table structure of each monitoring index based on a Mysql database, and storing the cleaned monitoring data into the database;
(4) Driving at fixed time; and (4) carrying out the steps (1) to (3) once every 15 minutes to realize the timing acquisition, cleaning and storage of monitoring data.
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