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82 results about "Water company" patented technology

GIS-based underground pipeline operation and maintenance system

InactiveCN105550758ASolve problems that are not comprehensive, easy to lose, and not intuitiveIncomplete solutionData processing applicationsGeographical information databasesSystems managementNetwork data
The invention provides a GIS-based underground pipeline operation and maintenance system. The GIS-based underground pipeline operation and maintenance system comprises a map management sub-system, a pipe network facility management sub-system, a pipe network analysis sub-system, a pipe network maintenance sub-system, a system management sub-system, a WEBGIS pipe network figure publishing sub-system and a system database; the GIS-based underground pipeline operation and maintenance system is established on the basis of a dynamic and static water supply pipe network electronic map, performs attribute query, location, analysis and statistics of pipelines and various facilities, and outputs all kinds of statistical results; after a pipe network accident happens, a valve closing scheme and a user water cut-off notice can be provided within a short time; the scheme can be rapidly adjusted after a new condition happens; graphic and character integrated modern management of a water supply pipe network is realized; a dynamic updating mechanism of pipe network data is provided; the system is accurate and high-efficient; powerful scientific decision basis is provided for water supply planning, designing, dispatching, emergency maintenance and atlas data management; the full-computer operation process for analyzing and deciding is realized; and thus, the production efficiency and the social service level of a running-water company are increased.
Owner:无锡扬晟科技股份有限公司

Water utilization monitoring and management system for hydrants in city

The invention relates to a water utilization monitoring and management system for hydrants in a city. The system comprises a unified information management platform, information collection terminals mounted on the hydrants respectively, and monitoring terminals arranged in water companies and police and firefighting departments; each information collection terminal collects the hydraulic pressure value, the water utilization state and the geographical coordinate of the corresponding hydrant, and sends information to the information management platform via wireless network; the information management platform monitors and stores the water utilization states and the hydraulic pressure values of the hydrants as well as the working states of the information collection terminals, and displays related information in an electronic map; and the monitoring terminal makes data interaction with the information management platform via wireless and wired network, and checks the related information of the hydrants in real time. The hydrants are improved under the condition that original hydrants are not changed destructively and parts are not changed, the hydrant water utilization monitoring platform which covers the whole city is established, and information including water utilization information, state, flow and position of the hydrants is monitored comprehensively.
Owner:吴天文

Online architecture system and online architecture system-based real-time water supply scheduling method

InactiveCN104680252AImprove forecasting efficiencyAchieve real-time online acquisitionForecastingScheduling instructionsData acquisition
The invention provides an online architecture system-based real-time water supply scheduling method. The method comprises the following steps: a data acquisition step, namely, acquiring water amount data of each node in an information platform in real time; a data cleaning step, namely, analyzing the water amount data and storing the water amount data into a pipe network water amount data table; a data predicting step, namely, reading the water amount data at the current time and the historical water amount data in the pipe network water amount data table, predicting the water amount data in a short time in the future, and recording the predicted water amount data into a predicted water amount data table; a water supply scheduling step, namely, generating a real-time scheduling instruction according to the predicted water amount data, and adjusting and guiding the water supply situation of a scheduling mechanism of a water company. According to the method, the water amount data are acquired automatically by a system through the adoption of an online architecture, and the recent water supply situation is predicted, so that the predicted data are more accurate; higher timeliness of the scheduling of a water supply pipe network is ensured; meanwhile, the predicted water amount data are detected and corrected continuously, so that the scheduling of the water supply pipe network is more accurate and effective.
Owner:北京清控人居环境研究院有限公司 +1

Industrial enterprise large user water consumption abnormity monitoring and early warning method

The invention discloses an industrial enterprise large user water consumption abnormity monitoring and early warning method. The method comprises the steps of firstly, establishing an industrial enterprise water consumption monitoring database; secondly, calculating dynamic 24-hour water consumption in a historical stable period, performing normal distribution verification on a 24-hour water consumption sequence by adopting KS (Karst Square) examination, and calculating upper and lower limit parameters of the box line diagram when the normal distribution is skewed distribution; and when the distribution is normal distribution, calculating the parameters of the SPC control chart. Finally, SCADA actual measurement data are obtained, 24-hour water consumption is calculated in a rolling mode at each sampling moment and compared with an upper limit threshold value and a lower limit threshold value, and over-limit judgment and early warning are conducted. The upper and lower bound thresholdsof the dynamic 24-hour water consumption of the industrial enterprise are determined through data mining; according to the method and the system, the normal or skewed distribution condition is considered, the practical problems of uncertainty of water consumption of large users of industrial enterprises and difficulty in water company supervision are well solved, the accuracy of automatic monitoring and early warning of water consumption abnormity of the industrial enterprises is improved, and a three-level DMA abnormity monitoring means of water companies is perfected.
Owner:HANGZHOU DIANZI UNIV

Intelligent water meter metering sensing system

The invention discloses an intelligent water meter metering sensing system. The intelligent water meter metering sensing system comprises an intelligent water meter metering sensing and control system, a running water network communication system and an integrated running water company running water management system, wherein the intelligent water meter metering sensing and control system comprises an intelligent water meter metering sensing unit and an intelligent water meter metering control unit, the running water network communication system comprises a sensing information communication system and a control information communication system, the integrated running water company running water management system comprises a sensing information management system and a control information management system, the intelligent water meter metering sensing unit is in communication connection with the sensing information management system through the sensing information communication system, the control information management system is in communication connection with the intelligent water meter metering control unit through the control information communication system, and thereby intelligent water meter metering control is realized. The intelligent water meter metering sensing system is advantaged in that, the information flow method structure is simple, and the intelligent water meter metering sensing system is suitable for intelligent water meter Internet of things application systems and has a wide application scope.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD

Silk cultural relic fiber material identification method based on amino acid analysis

The invention discloses a silk cultural relic fiber material identification method based on amino acid analysis. The method comprises the following steps: (A) weighing 0.3-0.5mg of silk cultural relic sample in microgramme grade, putting the silk cultural relic sample in a hydrolysis test tube, dissolving the silk cultural relic sample in 0.5-1.5ml of 6NHCl, vacuumizing while sealing a test tube opening, hydrolyzing the sample for 22-24 hours at 110 DEG C; (B) drying the hydrolyzed sample by using a nitrogen blowing instrument, redissolving in 1.5-2.5ml of 10.1N HCl, freezing, drying and preserving at minus 20 DEG C till the chromatographic analysis is implemented; (C) performing ammonic acid separation and detection by using an AQC amino acid analysis packet and 2695HPLC of Waters company of America; (D) processing data, representing the content of each amino acid by utilizing relative mol percentage, when the mol ratio of the glycine to alanine to serine is 4: 3: 1, deducing that the fiber material of the silk culture relic is mulberry silk, when the mol ratio of the glycine to alanine to serine is 3: 4: 1, deducing that the fiber material of the silk culture relic is tussah silk. The variety and the content of the amino acid can be flexibly detected, and the culture relic cannot be greatly damaged since the sample quantity demand is few. The method disclosed by the invention is suitable for the identification of the silk cultural relic fiber material.
Owner:CHINA NAT SILK MUSEUM

Pipe network leakage identification and positioning method based on line spectrum pairs and cubic interpolation searching

The invention discloses an urban water supply pipe network leakage identification and positioning method based on line spectrum pairs and cubic interpolation searching. The method comprises the following steps: acquiring leakage data and transmitting the acquired leakage data; establishing a random forest leakage identification model based on the line spectrum pairs, and identifying the existenceof a leakage in an urban water supply pipe network through the random forest leakage identification model; and establishing a cubic interpolation searching leakage positioning model based on a topological structure of the pipe network, and determining the position of the leakage in the urban water supply pipe network through the leakage positioning model. The method disclosed by the invention hasthe advantages that the leakage signal processing technology, the linear prediction technology and the heuristic searching and positioning technology are integrated, so that a leakage accident in thewater supply pipe network can be accurately identified, and a leakage point can be precisely positioned; the method achieves high computation efficiency and high practicality, and is applicable for alarge-scale and complicated pipe network; and research contents of the conventional pipe network leakage identification and positioning method are extended, so that a basis can be provided for scientific and reasonable decision making of water supply companies.
Owner:TSINGHUA UNIV

High performance liquid phase detection method of homopiperazine

The invention discloses a high performance liquid phase detection method of homopiperazine. The high performance liquid phase detection method comprises the steps of: diluting a fasudil hydrochlorideinjection with water and adding homopiperazine into the diluted fasudil hydrochloride injection; adding a borate buffered saline and a derivatization reagent into a dry derivatization tube; sealing the derivatization tube with a paraffin film, heating the derivatization tube, and cooling the derivatization tube to obtain a derivative sample; and acquiring a chromatogram of the derivative sample byadopting a liquid chromatograph, and measuring the content of homopiperazine. On the basis of a reversed-phase high-performance liquid phase chromatographic pre-column derivatization method-AccQ.Tagmethod developed by the Waters company, the derivatization reagent is used for adding a fluorophore onto an amino group of homopiperazine; the modified homopiperazine derivative has ultraviolet absorption, and qualitative and quantitative analysis is carried out by using high performance liquid phase chromatography. The high performance liquid phase detection method disclosed by the invention is high in precision, good in stability and good in reproducibility, enriches the method for detecting the homopiperazine content, and fills the blank that only ion chromatography can be used for liquid phase detection of the homopiperazine content.
Owner:SHANDONG WEIGAO PHARM CO LTD

Many-to-many Internet of Things intelligent water meter system used for intelligent city system

The invention discloses a many-to-many Internet of Things intelligent water meter system used for an intelligent city system and belongs to the Internet of Things system. The Internet of Things system comprises an object platform, wherein the object platform comprises several intelligent water meters connected into the Internet of Things intelligent gateways; a communication platform, wherein the communication platform is connected with the object platform and the management platform and at least comprises several Internet of Things intelligent gateways; the management platform, wherein the management platform is connected with the communication platform and a service platform respectively, the service platform is connected with the management platform and a user platform, and each of the management platform and the service platform at least comprises a tap water company server; the user platform, wherein the user platform is connected with the service platform or the management platform and at least comprises a user side. Sensing information and control information in the Internet of Things system are transmitted backwards between the object platform and the user platform through two different transmission lines and form a closed loop, so that mutual interference between them during transmission is avoided.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD

A data migration method for upgrading a water company's operating charging system

The invention relates to a data migration method for upgrading a service charging system of a water company, which relates to the technical field of data processing, comprising the following steps: establishing a data mapping relationship: comparing and analyzing a data structure of a source database and a target database; establishing a data mapping relationship between the source database and the target database; data migration: extracting data from the source database and migrating to the intermediate database through SQL program corresponding to the source database, and comparing, analyzing and verifying the data migrated to the intermediate database according to the data mapping relationship between the source database and the target database, and correcting the error and abnormal data; through the SQL program corresponding to the target database, the data matching the data mapping relationship between the source database and the target database is extracted from the intermediatedatabase and migrated to the target database. The data in the two-tier C/S structure database can be migrated to the three-tier B/S structure database by the method, so as to realize the smooth switching and upgrading of the new and old systems.
Owner:HUNAN INST OF TECH

Water supply pipe network leakage management method and system and storage medium

The invention relates to the technical field of water supply network management, in particular to a water supply network leakage management method and system and a storage medium.The method comprisesthe steps of acquiring an overall distribution model of a water supply network; dividing the overall distribution model into a plurality of pre-subareas by using a spectral clustering algorithm; importing the pipe network data of the existing actual subarea, and adjusting the distribution range of the existing actual subarea according to the distribution range of the pre-subareas to obtain a newly-built subareas; acquiring pipe network distribution data in the newly-built subareas, and collecting and calculating leakage data generated by pipe networks in the newly-built subareas; arranging calculated leakage data of the newly-built subareas according to a descending order, and displaying leakage data of the newly-built subareas according to an arranged order; according to the water supplypipe network leakage management method, a water company can quickly obtain the information of the subareas with high leakage data, and positioning and key monitoring of key subareas are facilitated.
Owner:深圳市科荣软件股份有限公司

Method for implementing DMA (direct memory access) partitioning of water supply pipe network in extremely small depressurization space

The invention discloses a method for implementing DMA (direct memory access) partitioning of a water supply network in a minimum pressure reduction space, which comprises the following steps of: firstly, defining a similarity calculation formula between nodes, and then optimizing a coefficient in the similarity formula through a function gametiobj in MATLAB (matrix laboratory) so as to determine a partition boundary pipe section. Then, different minimum service water pressures are set and serve as constraint conditions respectively, the average water age of nodes after partitioning and the partitioning cost serve as targets, a function gametiobj is applied to obtain equipment arrangement schemes on multiple boundary pipe sections, and the optimal arrangement scheme is screened out from the equipment arrangement schemes through three principles. And finally, finding out an optimal pipe section replacement scheme by using a simulated annealing algorithm, so that the water pressure of the partitioned pipe network can meet the requirement of specified minimum service water pressure. According to the DMA partitioning method provided by the invention, the overall water quality of the partitioned pipe network cannot be greatly influenced on the basis of successfully completing partitioning, and a certain theoretical basis can be provided for quickening implementation of DMA partitioning, reducing the leakage rate of the pipe network and building an intelligent water supply system for water supply companies in various regions.
Owner:TAIYUAN UNIV OF TECH

Water meter reading positioning and identifying method

PendingCN114359538AImprove recognition accuracySolve the shortcomings of large positioning errorsCharacter recognitionVertical projectionEngineering
The invention relates to a water meter reading positioning and recognition method, belongs to the field of character recognition, and aims to solve the problem that a water company still adopts a manual meter reading mode for some old community users at present, so that the research on water meter recognition not only can reduce the workload of workers, but also ensures the accuracy of data. A water meter recognition system mainly comprises water meter reading area positioning and digital recognition, character positioning is the key of recognition, but due to the factors of complex background in the natural environment, different distances of shot water meter images, angle diversification, illumination and the like, the traditional method is low in positioning accuracy, and therefore the positioning accuracy of the traditional method is low. The invention provides a quick and accurate method for identifying the water meter. The method comprises the following steps: firstly, positioning a water meter reading area by adopting an EAST network, then improving the quality of a water meter picture through linear enhancement of a digital area cut according to a positioning frame, and then segmenting a digital through horizontal and vertical projection and morphological operation, thereby effectively eliminating the influence of noise points and borders around the digital on characters. And finally, identifying the characters by adopting Tesseract-OCR (Optical Character Recognition).
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Information safety management module for intelligent IC card water meter

The invention discloses an Information safety management module for an intelligent IC card water meter, and belongs to an auxiliary device for the intelligent IC card water meter management. The information safety management module comprises a processor, a first data interface, a second data interface and a FLASH memory, wherein the processor accesses the first data interface, the second data interface and the FLASH memory. The information safety management module performs identity certification during data exchange with a water sale management system through an IC card information exchange module, thereby guaranteeing the legality of the communication; different secret keys can be used for realizing the level-to-level administration of a running-water company; multilevel encryption modes including a 3DES (triple data encryption algorithm) and AES (advanced encryption standard) are adopted, so that the security of the secret keys is higher, further, the secret keys can be upgraded in real time through a program downloading port in the information safety management module, and the risk caused by secret key leakage is avoided; and meanwhile, the modular structure is simple, the independence of water meter control can be guaranteed for the running-water company which is not limited by the outside.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD

Water treatment industrial network control system

The present invention belongs to the industrial network control system technical field and relates to a water treatment industrial network control system. A central control monitoring platform is connected with the first uplink port of an industrial field bus; the downlink port of the industrial field bus is connected with a water receiving station monitoring platform, a water receiving station control device, a chemical agent adding station monitoring platform, a chemical agent adding control device, a water purification station monitoring platform and a water purification control device; and the second uplink port of the industrial field bus is connected with a water sending station monitoring platform and a water sending control device. According to an existing industrial control system, open and mature technologies on the Internet cannot be used to upgrade the existing control system, and as a result, the information and control integration process of industrial enterprises can be deceased, while, with the control system of the invention adopted, the information and control integration process of the industrial enterprises can be speeded up, and the comprehensive capability of the automatic control of water plants can be improved, and the comprehensive capability of the automatic control of a water supply company can be improved. The comprehensive control and processing capacity of the system are improved.
Owner:沃陆(上海)传动系统有限公司

Intelligent water affair digital pipe network information model

The invention discloses an intelligent water affair digital pipe network information model which comprises an information management module, an adjustment calculation module, an accident analysis module, a hydraulic simulation module, an analysis report module and a result management module. A three-layer architecture of the interaction layer, the service layer and the data layer is adopted, the interaction layer provides an interaction interface for a user, and the service layer provides a function implementation module for the service layer to access the interaction layer of the data layer.According to the invention, the Internet of Things technology and the big data mining technology are combined; pipe network model establishment, pipe network hydraulic adjustment, pipe network accident analysis and energy-saving and consumption-reducing analysis schemes are realized; therefore, informatization management of a pipe network hydraulic model is achieved, a powerful scientific decisionbasis is provided for water supply planning, design, scheduling, first-aid repair and archive management of picture data, a good foundation is laid for optimal scheduling of a pipe network, the working efficiency and quality are greatly improved, and a water company 'smart water affair' process is truly protected.
Owner:ZHENGZHOU LITONG WATER CO LTD

Underground water delivery pipeline network intelligent leakage detecting and alarming device

The invention discloses an underground water delivery pipeline network intelligent leakage detecting and alarming device. According to the leakage detecting and alarming device, automatic recording flow meters are additionally arranged on an underground water delivery pipeline, moreover, the flow information of all the automatic recording flow meters is uploaded to a PLC in a pump station controlcabinet, the PLC is used for collecting, analyzing, calculating and storing the flow information of all the automatic recording flow meters and constantly monitoring changes of the flow information ofthe automatic recording flow meters, so that the defects that for a city and town secondary water supply underground pipeline, the leakage loss of water resources cannot be found in time, and a leakage point is extremely difficult to find are overcome. If it is found that the underground pipeline leaks, the alarm information can be sent to a responsibility organization, a tap water company network management platform, a mobile phone of a specific management worker and other mobile equipment through the internet, a mobile communication information transmission system and other information transmission systems so that a manager of a city and town secondary water supply system can master the use state of the underground water delivery pipeline at any time, then the power can be organized timely to repair the leakage of the underground water delivery pipeline, the leakage loss rate of the city and town secondary water supply system can be reduced to the maximum extent, and the leakage point of the underground water delivery pipeline can be accurately found by maintenance personnel.
Owner:辽宁川宇蓄能给水设备有限公司

Water quality detection information management method, device and system and storage medium

The invention relates to the technical field of water quality monitoring, particularly to a water quality detection information management method, device and system and a storage medium. The method comprises the steps: obtaining detection task information, generating a water quality detection scheme according to the detection task information, and uploading the content of the water quality detection scheme to a cloud server; generating sample collection parameters according to the content of the water quality detection scheme, and storing the sample collection parameters in a cloud server; acquiring a raw water sample according to sample acquisition parameters, sending the raw water sample to a corresponding detection instrument for detection and analysis, automatically acquiring detectiondata generated in the detection instrument after the detection instrument completes the detection and analysis, and uploading the detection data to a cloud server; and generating a detection report according to the detection data. According to the invention, information data generated in the complete process of water quality detection is input and archived, and great convenience is provided for water companies to trace back and manage the detection process.
Owner:深圳市科荣软件股份有限公司

Intelligent instrument-based meter reading method, device and system

InactiveCN109243162AAccurate meter reading serviceEffective meter reading serviceElectric signal transmission systemsData informationData profiling
The invention provides an intelligent instrument-based meter reading method, device and system, and relates to the technical field of intelligent instrument remote meter reading. The intelligent instrument-based meter reading method comprises the steps of receiving and counting acquisition device information and intelligent instrument information acquired by an acquisition device to obtain acquisition device counting information and intelligent instrument counting information so that counting is accurate, wherein the acquisition device counting information and the intelligent instrument counting information both are the same moment data information; acquiring first selection operation of a user, and displaying navigation bar data according to the first selection operation; and acquiring second selection operation of the user on the navigation bar data, and determining target information from the acquisition device information, the intelligent instrument information, the acquisition device counting information and/or the intelligent instrument counting information according to the second selection operation. By the intelligent instrument-based meter reading method, labor and material are greatly reduced, more accurate and more effective meter reading service are provided for the user and a water company, and data is further provided for city big data analysis.
Owner:沣泰水务科技(杭州)有限公司

Information safety management module for intelligent IC card water meter

The invention discloses an Information safety management module for an intelligent IC card water meter, and belongs to an auxiliary device for the intelligent IC card water meter management. The information safety management module comprises a processor, a first data interface, a second data interface and a FLASH memory, wherein the processor accesses the first data interface, the second data interface and the FLASH memory. The information safety management module performs identity certification during data exchange with a water sale management system through an IC card information exchange module, thereby guaranteeing the legality of the communication; different secret keys can be used for realizing the level-to-level administration of a running-water company; multilevel encryption modes including a 3DES (triple data encryption algorithm) and AES (advanced encryption standard) are adopted, so that the security of the secret keys is higher, further, the secret keys can be upgraded in real time through a program downloading port in the information safety management module, and the risk caused by secret key leakage is avoided; and meanwhile, the modular structure is simple, the independence of water meter control can be guaranteed for the running-water company which is not limited by the outside.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD
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