424 results about "Urban water supply" patented technology

The invention belongs to the measurement field of a water supply system. Aiming to fix the position of pipe burst accident point in a water supply network accurately and rapidly, improve the accuracy of positioning, and effectively manage the related data of the operation condition of the water supply pipeline network, the invention adopts the following technical scheme: the pipe burst accident on-line positioning system for an urban water supply pipeline network is composed of a supervisory control and data acquisition system (namely an SCADA system), a data center and a master control computer; the supervisory control and data acquisition system comprises the following parts: 1. a plurality of telemetering remote transmission terminals; and 2. a communication system; the data center comprises a server which is used for monitoring process values and communicating with process hardware; and the server is provided with a database for storing on-line data of the water supply pipeline network, which are monitored according to time sequence. The on-line positioning system provided by the invention is mainly used for determining the position of a pipe burst accident point in the water supply pipeline network.

The invention discloses an intelligent in-pipe detection ball device for leakage locating of an urban water supply network and a method. The device comprises a sound detection module, an amplifying and filtering module, an analog-digital conversion module, a pressure measurement module, a vibration measurement module, an inertial navigation module, a single-chip microcomputer, an RFID reader, a storage module and a power module. The detection ball device is put into a water supply pipeline and rolls along the inner wall of the pipeline under pushing of water flow; by means of a sound sensor, a pressure sensor and a vibration sensor in the device, whether leakage happens to the water supply pipeline or not is detected based on a multisensor fusion method; and a leakage point is precisely located through the inertial navigation and RFID combination locating manner, and detected leakage information is transmitted to an upper computer through the RFID technology in a wireless manner to be further analyzed and processed. According to the intelligent in-pipe detection ball device and the method, leakage detection and locating can be carried out in the water supply pipeline, and the reliability and accuracy of leakage detection of the water supply network are effectively improved.

The invention discloses a leakage detection method based on hydraulic model calibration of an urban water supply network. The method comprises the following steps: A) establishing a pressure-related leakage positioning model; B) determining a leakage detection target function; C) determining a constraint condition; and D) solving the pressure-related leakage positioning model. Urban water supply pipeline leakage is avoided, problems in a traditional leakage detection method are solved, the pressure-related leakage detection model is established on the basis of model calibration by a Cuckoo optimization algorithm, and the leakage detection method is quick and effective. In addition, a new pressure-related leakage detection method can detect leakage which is difficult to detect by a traditional method. A situation that a leakage area is detected before the engineers go to a scene is very useful for engineers, and the engineers can carry out intensive examination in a predicted area and can quickly detect an accurate position of a leakage hot water spot.

The invention relates to a processing method and a processing device for providing auxiliary dispatching data of a water supply network. The processing device is characterized by comprising a supervisory control and data acquisition (SCADA) system, a water supply network hydraulic simulation model processor, a water supply network water quantity prediction model processor, a supplementary measurement pressure data recorder, and an auxiliary dispatching decision processor, wherein the auxiliary dispatching decision processor is connected with the SCADA system, the water supply network hydraulic simulation model processor, the water supply network water prediction model processor, and the supplementary measurement pressure data recorder respectively. Compared with the prior art, the processing method and the processing device have the advantages of providing an effective path for safe and reliable dispatching, energy-saving and optimized dispatching, intellectualized and informationalized scientific dispatching of the urban water supply network, and the like.

The invention belongs to the field of a prediction method of the urban water supply network tube explosion, and provides a novel urban water supply network tube explosion prediction method to solve the problem that the prediction precision is low and establish a tube explosion prediction model so as to provide novel study basis for urban water supply network tube explosion. Therefore, according to the technical scheme, the urban water supply network tube explosion prediction method comprises the following steps of: (1) acquiring the tube explosion rate of a tested water supply network and historical data of other relevant affect factors which affect the tube explosion rate, and taking the tube explosion rate and the historical data as the detected data; (2) establishing a water supply network tube explosion prediction model of a self-adaptive neural network heterozygosis variable precision rough set; (3) carrying out training and test analysis on the water supply network tube explosion prediction model; and (4) predicting the tube explosion rate of the water supply network by using the water supply network tube explosion prediction model which passes the test. The method is mainly applied to prediction on the urban water supply network tube explosion.

The invention discloses an embedded energy data acquisition unit, which comprises a main board and a shell, wherein a central processing unit (CPU), a data acquisition module which is connected with the input / output (I / O) interface of the CPU and a wireless functional plug-in are embedded into the main board; the CPU is an embedded processor which is based on a WinCE operating system, supports anOLE for process control (OPC)-service data specification and a real-time database, is solidified with a data acquisition communication protocol, directly acquires energy data through the data acquisition module, and acquires information data in a terminal instrument and field equipment for displaying and storing; the shell is connected with a human-computer interface display, and is provided witha human-computer interface input unit interface which is connected with the CPU and is used for writing working parameters or inputting operation commands; and through an Ethernet port for connectinga communication network with a monitoring station, a storage equipment interface, an input / output interface and a power supply interface can be expanded. The data acquisition unit is suitable for data acquisition and monitoring of places where mains supply is difficult to reach such as forecasting of hydrology, real-time monitoring of water resources, monitoring of irrigated areas, environmental monitoring, pollution monitoring, urban water supply, monitoring of pipe networks and the like.

The present invention relates to safety monitoring system, and is flexibility monitoring method for large span bridge structure. Whole bridge pressure field is first established with water tanks set in the unchanged location, water pipes set horizontally and city water supply system to lead water pressure to deformation location of the bridge; and the pressure transducer is fixed to the measured part. The pressure change is converted into flexibility change and monitored with the computerized monitoring system, which consists of water tank, water pipes, pressure transducer, A / D converter, computer, etc. The present invention has high measurement stability, great measurement range, low measurement cost and high practical value.

The invention discloses an optimized layout method for pressure monitoring points of an urban water supply pipe network. The method comprises the steps that S1, basic data of the urban water supply pipe network is acquired, EPANETH software is utilized to calculate hydraulic adjustment of the water supply pipe network, and a hydraulic model of the urban water supply pipe network is constructed; S2, a pressure difference matrix, a shortest distance matrix and a water volume influence fuzzy similar matrix are solved according to the hydraulic model of the urban water supply pipe network, and constraint conditions of an optimized layout model of the pressure monitoring points of the urban water supply pipe network are determined; S3, a model objective function is determined, and the optimized layout model of the pressure monitoring points of the urban water supply pipe network is constructed; and S4, a particle swarm algorithm is utilized to solve the optimized layout model of the pressure monitoring points of the urban water supply pipe network, and an optimal pressure monitoring point and monitoring areas of all the pressure monitoring points are determined. The method has the advantages of being simple in principle, easy to realize and high in efficiency and meets the requirements for representativeness, comparability and feasibility of point distribution.

The invention relates to a method for generating a pressure distribution chart of an urban water supply pipeline network in the technical field of monitoring. The method comprises the following steps of: firstly, collecting the pressure data of nodes of a pressure measurement point, a water plant, a pumping station and the like from the water supply pipeline network by utilizing an SCADA (Supervisory Control And Data Acquisition) system; secondly, preprocessing the collected node data; thirdly, carrying out restrictive cluster analysis on a sample of the collected pressure data; fourthly, zoning the water supply pipeline network according to a clustering result, selecting a representative pressure node from each zone so as to represent the pressure level of the zone in which the representative pressure node is in; and finally, displaying different colors according to the pressure value of each zone and outputting the pressure distribution chart of the water supply pipeline network. The method adopted by the invention is simple and has high efficiency and strong robustness. If the accidents of damage and leakage occur in pipelines, the representative pressure nodes still have the representativeness of the pressure values because the pipelines of the nodes in one class are adjacent and a causal relation exists in the pressure.

The invention provides a method for predicting and analyzing pipe burst of an urban water supply network. The method comprises the following steps: establishing a pipe burst database of the urban water supply network in a geographic information system; selecting and setting the parameters stored in the pipe burst database of the urban water supply network so as to obtain the set parameters; according to the set parameters, calling a dynamic data analysis software link database to establish a prediction model for pipe bursts under a secondary development and obtaining the predicted outcome of each pipe by means of the pipe burst prediction model; grading the predicted outcomes and setting attributions of pipe burst risks; according to different attributes of pipe burst risks, giving the pipes different colors by adopting value classification and difference displaying modes to establish a district thematic map for pipe burst risks. By using the method, a visualized display effect of the predicted pipe burst can be given, therefore, the method is quite practical and easy to use.

The invention discloses an optimized arrangement method for monitoring points of an urban water supply pipe network. The invention improves the traditional sensitivity analysis and cluster analysis methods separately and combines the two methods to obtain optimized distribution of monitoring points, so that the arrangement of the monitoring points can have the characteristics of being good in sensitivity, being relatively dispersed and facilitating the delimiting of abnormal regions for accurate detection, and meanwhile, the monitoring points are more widely and uniformly distributed as compared with those in the prior art, and are reasonably arranged at key positions, thereby facilitating model verification.

The invention discloses a method for online positioning a broken pipe of an urban water supply network based on SCADA data and a real-time model. The method comprises the following steps of: firstly, detecting a pressure wave trough to determine the suspected pipe breaking time boundary and checking measurement points; then selecting measurement points with remarkable abnormality change in the measurement points according to the flow abnormality change of the measurement points after each pipe breakage happens; designating a rectangular region to serve as an initial region for searching pipe breaking points by a real-time optimizing and checking model according to locations of the measurement points; and finally iteratively solving a minimum value by taking the sum between the pressure simulation value and actual valve of a pressure measurement point in continuous cycle as the evaluation standard of a target function so as to acquire the most probable pipe breaking node pipe breaking flow. The method can be used for quickly detecting and positioning pipe breaking and other abnormal incidents with high accuracy, and reducing hurt of pipe breaking for the water supply network system.

The invention discloses a LeakView leakage control and management system for an urban water supply pipe network. The control and management system comprises a partitioned management system, a leakage noise online monitoring system and a water hammer early warning and monitoring system, the partitioned management system makes the water supply pipe network to form a partitioned management mode from the factory-leaving water yield, first-level partition, second-level partition, DMA to user terminal multi-level water units, all the water units are scientifically managed through a water balance test, a pressure control strategy with the optimal water saving effect and the optimal economic matching performance is made through a response mechanism of the leakage of the water supply pipe network to the pressure, leakage noise is monitored on line by using terminal noise monitoring equipment instead of leakage detection by manual listening, the noise is displayed in the form of data, a region where the leakage is suspected to exist is found through comparative analysis of the key data, the water hammer early warning and monitoring system adopts a transient flow pressure fluctuation situation of a network system to be combined with a big data technology, and therefore the rapid change of the pressure of the pipe network system can be monitored on line, an alarm for the abnormal pressure change situation can be given in real time, on-line early warning can be realized, the data can be deeply excavated and analyzed, and water hammer protection can be made.

The invention belongs to the field of leakage loss detection of a pipe network, and particularly relates to a leakage loss detection method combining district metering areas (DMAs) with a leakage loss recording instrument for an urban water supply pipe network. A water supply pipe network is partitioned into a plurality of DMAs, and the inlet of each DMA is provided with a flow meter for continuously monitoring the minimum night flow of the DMAs. When flow data indicates possible leakage loss of a DMA, the leakage loss recording instrument is used for monitoring as well as checking leakage loss and positioning a leakage loss point according to a signal. By the leakage loss detection method, the advantages of DMA partitioned monitoring and leakage loss recording instrument monitoring are brought into full play, leakage loss can be found in time and a leakage loss point is positioned quickly. By the method, the problems of high data acquisition workload, slow response and the like caused by independent use of the leakage loss recording instrument are solved, and the defects of difficulty in the check of leakage loss and the positioning of the leakage loss point caused by independent use of DMA partitioned monitoring are overcome. Leakage loss monitoring efficiency can be improved greatly and the operating management level of the pipe network is increased. The method is suitable for monitoring leakage loss in the urban water supply pipe network, and can be used for monitoring leakage loss of pipelines such as a reclaimed water pipe network, a thermal pipeline, an oil gas pipeline and the like.

The invention relates to the technical field of pipe network leakage monitoring, in particular to a method for building a monitoring pipe network of tree structure leakage conditions and a monitoring system. The method comprises the following steps: (1) multiple different monitoring areas are divided; (2) information of all water users in all the monitoring areas is collected; (3) all metering nodes in all the monitoring areas communicate into an urban water supply pipe network; (4) a node intelligent remote water meter is mounted in a water inlet of each metering node; (5) each monitoring area is provided with a monitoring device for monitoring the pipe leakage conditions in the corresponding monitoring area; (6) the leakage is further analyzed; and (7) leakage places are positioned. The monitoring system comprises the urban water supply pipe network, multiple metering nodes connected to the urban water supply pipe network, and the monitoring devices for monitoring the pipe leakage conditions. The method is used for discovering the pipe network leakage conditions and locking the leakage positions.

The invention pertains to the technical field of leakage detection of pipes, and in particular relates to a leakage detection technology comprehensively utilizing a leakage noise recorder, a manual leakage listening detecting rod and the like, and an application method of the leakage detection technology to the urban water supply network. Based on the noise leakage detecting method of a leakage recorder, the signals of the leakage recorder are analyzed by a water supply network geographic information system (GIS) platform, and the key check area is determined; and further, the key check area is detected by comprehensively using the leakage recorder and the manual leakage listening detecting method so as to determine the leakage and locate the leakage point. The leakage detecting method combines the leakage detecting method by using the leakage recorder which has extremely high sensitivity on sound signals with the manual leakage listening detecting method, and is used for analyzing the leakage signals by utilizing the GIS platform, thereby not only effectively avoiding aimless check of a large-scale pipe network by using the manual leakage listening detecting method independently, but also avoiding a great quantity of misinformation signals by utilizing the leakage recorder independently and heavy check work caused thereby. The leakage detecting method not only can be used for detecting leakage of urban water supply networks, but also can be used for detecting leakage of pipes of urban reclaimed water supply networks, industrial oil pipes, industrial circulating cooling water pipes and the like.

The invention discloses a method for short-term prediction of salt tide at a water intake in a tidal river region. The method comprises the following steps of: analyzing the following influencing factors: the flow of upstream hydrologic monitoring stations and the tide level difference, water unavailable hours and average chloride concentration of the water intake in a day so as to establish a BP-RAGA coupled neural network salt tide forecasting model and predict the water unavailable hours and average chloride concentration of the water intake in the next day; and determining the water available hours and amount of each water intake on the basis of the prediction so as to determine the time and space distribution of raw water intaking amount of the tidal river in the next day and finally draw up a dispatching predetermined plan of a raw water system by combining an optimal dispatching module of the raw water system, so that the safe operation of the raw water system and safe urban water supply are ensured. Compared with the conventional prediction systems, the method can dynamically determine the weight of each influencing factor in the prediction module by fully using existing information, improve the sensitivity and precision of the prediction and have lower rate of missing report and false report.

The invention discloses a pipe damage probability prediction method based on a BP neural network, and belongs to the technical field of urban water supply pipe networks. The method comprises the steps: carrying out the early data preparation for the prediction of the pipe damage probability; selecting a to-be-predicted pipe network region, and determining a training data range through the whole pipe network, an administrative area and a peripheral buffering region; selecting an influence factor causing the damage to a pipe, and extracting a training sample, needed by modeling, in the training data range; training a model through employing a BP neural network algorithm and the training sample, and evaluating the stability and prediction precision of the model through employing an ROC curve based on 10-fold cross validation; applying the trained model in the to-be-predicted pipe network region, and obtaining the probability that each pipe will be damaged; classifying the pipe damage probability in ArcGIS through employing a natural break point method, and making a thematic map. The method enlarges the research content of a conventional pipe damage probability prediction model, and provides a new idea for the building of a water supply pipe network asset management scientific method.

The invention belongs to the technical field of detection and provides a pipe network blocking detecting device. The pipe network blocking detecting device is characterized in that as an external detecting device used for the pipeline blocking, the detecting device has functions of blocking fault alarming and blocking fault point positioning. A clamping device of a sensor is convenient to detach and mount and composed of an upper clamping handle, a rotary shaft, an upper cable, an upper soft rubber gasket, an upper arc iron plate, a lower clamping handle, a lower soft rubber gasket, a low arc iron plate, a lower cable and a releasable fastener. The pipe network blocking detecting device has the advantages that the clamping device is simple and durable, common running of the pipe network is unaffected during detection of the device, and detection runs smoothly without influence from complicated pipe network. The pipe network blocking detecting device is suitable to blocking identifying and positioning of the industrial feed piping, the urban feed piping and the like and is rapid to respond the fault, easy to mount and operate, high in detecting accuracy and like.

The invention discloses a water purifying device, which comprises the following parts: reserving tank from inlet, secondary pressurized pump, secondary water-supplying pressure tank, secondary water-supplying tank, purifier and ore purifying tank behind purifier, wherein the filter layer, activated carbon layer, medical stone layer, coral sand and pearl sand, quartz sand layer, activated carbon layer with loop magnesium, mineral ball layer and ceramic sand layer are overlapped on the porous suspending board of ore purifying tank bottom from upwards to downwards; the ultraviolet disinfecting lamp protected by sealed glass lid is set on three-elevation bottom of water reserving tank and secondary water-supplying tank; the lid and inlet pipe with water level self-valve are set on the top of secondary water-supplying tank and ore purifying tank with outlet pipe and cleaning drainage pipe on the bottom. The invention can be urban water-supplying equipment of secondary pressurization, which is fit for centralized urban-rural or self-supplying terminals to purify and sterilize.

The present invention relates to sewage treatment and urban water supply treatment, in the concrete, it is an ecological safe composite high-effective flocculant which can be serially used for making pretreatment before water supply, industrial waste water treatment and domestic sewage treatment. The flocculant uses iron salt, starch, anhydrous ethyl alcohol and sodium hydroxide as raw material, in which the iron salt and corn starch are main component, anhydrous ethyl alcohol or water can be used as reaction solvent, the sodium hydroxide can be used for making modification of corn starch, the mass ratio of iron in the iron salt and starch is 1:1-1:100. Its preparation method includes: (1) modification of corn starch and (2) compounding reaction to obtain whitish yellow or reddish brown emulsion-live flocculant.

The invention discloses an on-line operation state diagnostic method for pipeline pressure monitoring equipment of an urban water supply pipe network. According to the method, monitoring data are obtained on the basis of historical monitoring data, and basic parameters exceeding the top and bottom limitations, and a linear fitting formula are judged; and when remote pressure monitoring data are received, firstly, whether the monitoring data are within the overtime range is judged, secondly, whether the monitoring data are completely consistent with data of last three times is judged and compared, and whether communication and data collecting are failed is judged, thirdly, whether the monitoring data exceed the top and bottom limitations, and the fitting error between the monitoring data and other monitoring points exceeds the two-time standard deviation is calculated, the failure probability and normal probability of the pressure monitoring data are calculated, weighted average evidence is compounded through the D-S compound rule, and whether data collected by pressure monitoring equipment is normal is judged. Mutual verification is conducted through the mutual relation between instruments, the situation that it is not found in time that a pressure sensor does not conduct normal communication or deviates from normal monitoring in the wild is avoided, and integrity and normal operation of a water supply monitoring system are ensured.

The invention relates to a sewage treatment process, in particular a domestic sewage disposing, recycling and utilizing plant, where the handling method comprises the steps of, (1) pre-conditioning adjustment, (2) anoxybiotic processing, (3) aerobic processing, (4) deposition, (5) filtering, (6) filtering biological carbon, (7) sterilization treatment. While the treating plant comprises a pre-conditioning adjustment tank, a biological chemical treatment tank, a filtering tank and a disinfection recycling tank.

The invention provides a water treatment method combining ozone catalytic oxidation with an ultra-filtration membrane, which relates to a water treatment method and solves the problem that the removing rate of nitrogen, phosphor, COD (Chemical Oxygen Demand), BOD (Biochemical Oxygen Demand) and SS (Standard Specification) cannot reach the standards in the treatment of the water quality of the traditional urban water supply plants, the water quality of secondary discharge water of the urban sewage plants and the water recycling of industrial wastewater. The method comprises the following steps of: firstly, adding ozone to water to be treated; and secondly, treating the discharge water in the first step with the ultra-filtration membrane to complete. The water treatment method for combining ozone catalytic oxidation with the ultra-filtration membrane can effectively eliminate organic pollutant in water, odor, dull color and other pollutants, such as bacteria, virus, heavy metal, and the like, has very high depollution efficiency and can improve the treated water quality in an all-round way; the method is simple for running and easy for operation and management and can be applied to the process courses, such as the standard upgrading modification of the water quality of the urban water supply plant, the upgrading modification of the urban sewage plant, the recycling of the industrial wastewater, and the like.

The invention belongs to the field of pipe network leakage monitoring and particularly relates to a pipe network leakage monitoring method combining a leakage probability calculation process and an acoustical signal-based leakage recorder monitoring process. In the invention, a genetic programming process is used to establish a functional relationship between independent variables, such as pipe age, pipe diameter and pipe length, and leakage times, and a pipe network geographic information system (GIS) platform is combined to determine key areas to be monitored; furthermore, the leakage recorder monitoring process is used to clear leakage and position leakage points. The method can greatly improve leakage monitoring efficiency, reduce labor intensity of manual leakage monitoring and improve operation management level of a pipe network. The method is not only suitable for leakage monitoring of urban water supply pipe network, but also the leakage monitoring pipes such as recycled water pipe networks, heat distribution pipe and oil and gas pipes.

The invention discloses an online nondestructive detection method applicable to an urban water supply pipeline system. The method comprises the steps of acquiring system frequency domain response functions according to high frequency hydrodynamic wave spreading and reflection feature signals which are actively produced and measured in a water supply pipeline; acquiring wave peak values and frequency values corresponding to a plurality of cycle wave peaks according to the system frequency domain response functions; comparing the wave peak values and frequency values corresponding to a plurality of cycle wave peaks with the theoretical value of a nondestructive pipeline system to determine the type of the defects of the pipeline; further determining the physical information of the pipeline defect according to the optimized fit data. The invention further discloses an online hydrodynamic wave generation device applicable to the urban water supply pipeline system. With the adoption of the method and device, the water leakage and blocking of the pipeline and the defects of unknown branches and the pipeline of an air bag can be detected; the potential defects of the pipeline system can be quickly detected by the online working manner, and the defect nondestructive detection method and system for the urban water supply pipeline can be accurately and efficiently achieved.

The invention discloses a vacuum anti-siphon backflow preventing valve and relates to a fluid medium pipeline control part. The valve comprises a valve body, a water inlet and a water outlet are arranged on the valve body, a valve cavity communicated with the water inlet is arranged on the valve body, a valve opening is arranged between the valve cavity and the water outlet to communicate the valve cavity with the water outlet, and a valve clack component enabling media to flow unidirectionally from the valve cavity to the water outlet is arranged in the water outlet. An air outlet for communicating the valve cavity with the outside is arranged at the top of the valve body. A support filter screen covering the valve opening is arranged in the cavity. A buoyancy seal component is arranged at the air outlet for sealing the air outlet when media flow forward from the water inlet to the water outlet or opening the air outlet when media flow reversely from the valve cavity to the water inlet. By means of the vacuum anti-siphon backflow preventing valve, the structure is simplified, backflow is prevented effectively, air in the valve cavity can be discharged rapidly when media get back to forward flow, and functions of impurity filtering and purifying are provided. The valve is mainly applied to pipeline systems in need of anti-pollution check, such as urban water supply systems.

The invention relates to a chemical deposit treating method for over-proof metal pollutant in water, belonging to the technical field of water treatment. The invention is characterized in that adding alkaline drug in the water to increase pH value, which causes the metal pollutant to generate insoluble matter of hydroxide and carbonates, then adding coagulating agent to cause the metal insoluble matter and alum blossom to deposit together and adding acid to adjust the pH value to neutral after removing the sediment. The chemical deposit treating method for over-proof metal pollutant in water of the invention can response to the metal pollutants of cadmium, zinc, lead, mercury, nickel, copper, silver, beryllium and the like regulated in related water quality standard of drinking water, also can response to the one metal pollutant or simultaneous occurrence of a plurality of metal pollutants of which the over-proof density highly reaches thousands of times. The device and operation are simple and the operating cost is not high, thereby the invention doesn't influence the water quality of the tap water plant and is convenient for using in water plant, which can highly effectively, safely and economically realize city water supply when the water source water metal pollution is over proof, further, the invention can be used for treatment of industrial water.

The invention relates to an online leakage monitoring method for an urban water supply pipe network. The method comprises the following steps: water flow speed sensors are mounted at joints of water supply pipes, pipe segments prone to leak and pipe segments leaking frequently, so as to monitor the water flow speed in real time; the number of the sensors is counted, each sensor mounting point is used as a test point, each monitoring point regularly uploads the water flow data of the monitoring point to an upper computer system, and the water flow data are used for leakage analysis and judgment; the upper computer system receives the real-time water flow speed and then sends the water flow speed to a monitoring end in a wireless communication manner through a wireless communication module connected with the upper computer system; the monitoring end receives the real-time water flow speed sent by each test point and judges whether the water supply tubes leak; when the water pipes leak, the water flow speeds of all the test points are compared and analyzed to judge leakage points of the water pipes. The method has the advantages that steps are simple, implementation is facilitated, monitoring directed at the water supply pipe network can be achieved to the greatest extent, waste of water resources is prevented, and the water supply stability of the water supply pipe network is guaranteed.

The invention discloses a real-time hydraulic information based dynamic division and control method of a city water supply zone, which belongs to the technical field of water conservancy monitoring. The dynamic division and control method comprises the following steps: an SCADA (Supervisory Control And Data Acquisition) system is used for collecting the pressure data of nodes, such as pressure measurement points, water works, pump stations and the like, from a water supply network; then data is preprocessed by a data mining means; then, pressure data samples are subjected to system cluster analysis; according to a cluster result and a block scale, zone scale indexes are clustered; and finally the blocks are combined and divided by a geographical connected graph to form a final division result. Based on data information obtained from pressure measuring points and in consideration of the practical geographical conditions, the dynamic division and control method can be used for reasonably dividing the city water supply zone and controlling the block scale so that the block scale meets the requirement, thereby bringing convenience for management. The dynamic division and control method can be widely applied to managing, monitoring and controlling the large city water supply dispatching system.