A kind of management system of secondary water-supply in conjunction with DMA water leakage managementTechnical field
The present invention relates to a kind of management systems, and in particular to a kind of management system of secondary water-supply in conjunction with DMA water leakage managementSystem.
Background technique
DMA:(District Metering Area (independent measure region));DMA partition management is control urban water supplyOne of the effective ways of system water leakage, concept are combined greatly by water and wastewater industry association of Britain in its water utilities at the beginning of 1980It is put forward for the first time in meeting.In report, DMA is defined as an isolated area isolated by cutting in water supply and distribution system, usually adoptsIt takes and closes valve or installation flowmeter, form virtual or practical isolated area.Pass through the water to this into and out regionIt is measured, and levels of leakage is quantified to flow analysis, so that being conducive to leak detection personnel more accurately determines where and when to examineLeakage advantageously, and carries out active leak control.
In recent years, reducing pipe network model rate to ensure resident's safe water, secondary water-supply becomes with DMA water leakage managementThe hot topic of water supply industry, country have also put into effect relevant policy requirements.Since secondary water-supply is constantly to construction in a systematic way under the overall leadershipTrend development, there is an urgent need to an effective supervising platforms to be managed to secondary water-supply for the system of appointing national minority hereditary headmen in the Yuan, Ming and Qing Dynasties;Pipe network model rate is high,The solution of pipe network model problem is very complicated, and the pipe network model of especially Intra-cell is more difficult discovery and solves.Along with wisdom water utilitiesContinuous development, the management platform of some wisdom gradually shows on the market, solves certain application sides for Running-water CompanyThe problem of face, but up to the present, the management system for combining secondary water-supply with DMA cell water leakage management still without oneSystem.For the service layer of Running-water Company, this two parts content is generally consistent in geographic range, is mutually auxiliary phaseAt, this business removing no matter from management it is upper for or from applying for upper, it is all less desirable.More than solvingProblem proposes a kind of management system of secondary water-supply in conjunction with DMA water leakage management hereby.
Summary of the invention
In view of the above-mentioned problems, the main purpose of the present invention is to provide a kind of combination secondary water-supplies and DMA cell leakage loss pipeThe software management system combined is managed, while having to the monitoring of secondary water-supply real time data, further completes the leakage of DMA cellThe three-level analysis of damage management.
The present invention is to solve above-mentioned technical problem by following technical proposals: a kind of secondary water-supply and DMA leakage loss pipeThe management system combined is managed, secondary water-supply management and zone metering management are carried out in a management platform, utilize secondary water-supplyPressure and the data analyzed as DMA cell leakage loss of data on flows, two parts function is organically blended;The secondary water-supply withThe foundation for the management system that DMA water leakage management combines includes the following steps:
(1) water supply network topological structure is combined, physical segmentation is carried out to water supply section by flowmeter or valve, and graduallyIt is sub-divided into DMA cell;The mechanism of partition management is established, each DMA cell is by special administrative staff to production and marketing difference situation and twoSecondary water supply situation is managed;For needing the DMA cell of second pressure water supply, at cell entry end, installation being capable of real-time teletransmissionFlowmeter or water meter, the flow of secondary pressurized pump house, pressure needs real-time teletransmission, and user need to install remote transmitting water meter, by these realitiesWhen data remote to platform, the analysis of data is carried out by platform;
(2) data of DMA cell summary table and secondary booster pump station water flow meter calculate the leakage loss situation of cell main pipe;It is logicalThe family table for crossing pump house water flow meter and corresponding with service area carries out the leakage loss situation analysis in high, medium and low area;Pass through foundation " cellThe mode of this three-level analysis of summary table --- secondary pump house flowmeter --- user's water meter ", refinement DMA leakage loss analysis, so as toThe leakage loss situation of each region is enough analyzed, and by modes such as positioning maintenance and pressure controllings, realizes the drop of cell leak rateIt is low;
(3) for secondary water-supply, by the teletransmission of pump house Real-time Monitoring Data, realize platform to pressure, flow, water quality,The real time monitoring of liquid level, electric current, voltage, and the long-range start stop operation to pump is realized by platform;Pass through setting pressure or water qualityIndex, if real time data exceeds normality threshold, platform generates warning message, and staff is helped to find the problem as early as possible, solve to askTopic;
In specific embodiments of the present invention, by combining the flow measurement device of secondary booster pump station, realize that DMA is smallThe mode of area's " cell summary table --- secondary pump house flowmeter --- user's water meter " three-level analysis, refinement DMA leakage loss analysis, passes throughThe pressure monitoring data of secondary booster pump station optimize pressure of supply water, reduce leakage loss.
In specific embodiments of the present invention, by setting reasonable pressure of supply water and water quality indicator, when exceedingWhen the case where zone of reasonableness, platform can carry out early warning, and relevant staff is notified to solve the problems, such as.
By the real-time acquisition and upload of data, reach the on-line monitoring to secondary water-supply indices, and pass through settingThe zone of reasonableness of core index value, has the function that accident early warning.
In specific embodiments of the present invention, by the real-time acquisition and upload of data, reach to secondary water-supply itemsThe on-line monitoring of index, and by the zone of reasonableness of setting core index value, have the function that accident early warning.
The positive effect of the present invention is that: management of the secondary water-supply provided by the invention in conjunction with DMA water leakage managementSystem overcomes existing secondary water-supply management and DMA water leakage management is all that function is isolated and independent defect, and the present invention willTwo parts management function organically blends, and the flow monitoring value in secondary water-supply is used in the three-level analysis of DMA cell, by twoIn assessment of the pressure monitoring value for the analysis of DMA cell leakage loss in secondary water supply, the present invention is in the feelings for meeting the just common water of cellUnder condition, the pipe network model rate of cell is gradually reduced.
Detailed description of the invention
Fig. 1 is hardware relationship block diagram of the invention.
Fig. 2 is logical relation block diagram of the invention.(wherein, it is DMA leakage loss analysis part in horizontal frame, is secondary in munnionMonitoring water supply part.)
Specific embodiment
Present pre-ferred embodiments are provided with reference to the accompanying drawing, in order to explain the technical scheme of the invention in detail.
Fig. 1 is hardware relationship block diagram of the invention, and Fig. 2 is logical relation block diagram of the invention.It (wherein, is DMA in horizontal frameLeakage loss analysis part, munnion is interior to monitor part for secondary water-supply.) secondary water-supply provided by the invention is in conjunction with DMA water leakage managementManagement system, secondary water-supply management and zone metering management are carried out in a management platform, utilize the pressure of secondary water-supplyAnd the data that data on flows is analyzed as DMA cell leakage loss, two parts function is organically blended.
The specific steps of the present invention are as follows:
(1) water supply network topological structure is combined, physical segmentation is carried out to water supply section by flowmeter or valve, and graduallyIt is sub-divided into DMA cell;The mechanism of partition management is established, each DMA cell is by special administrative staff to production and marketing difference situation and twoSecondary water supply situation is managed;For needing the DMA cell of second pressure water supply, at cell entry end, installation being capable of real-time teletransmissionFlowmeter or water meter, the flow of secondary pressurized pump house, pressure needs real-time teletransmission, and user need to install remote transmitting water meter, by these realitiesWhen data remote to platform, the analysis of data is carried out by platform.
(2) data of DMA cell summary table and secondary booster pump station water flow meter calculate the leakage loss situation of cell main pipe;It is logicalThe family table for crossing pump house water flow meter and corresponding with service area carries out the leakage loss situation analysis in high, medium and low area;Pass through foundation " cellThe mode of this three-level analysis of summary table --- secondary pump house flowmeter --- user's water meter ", refinement DMA leakage loss analysis, so as toThe leakage loss situation of each region is enough analyzed, and by modes such as positioning maintenance and pressure controllings, realizes the drop of cell leak rateIt is low.
(3) for secondary water-supply, by the teletransmission of pump house Real-time Monitoring Data, realize platform to pressure, flow, water quality,The real time monitoring of the parameters such as liquid level, electric current, voltage, and the long-range start stop operation to pump is realized by platform;It is reasonable by settingPressure or water quality indicator, if real time data exceeds normality threshold, platform can produce warning message, help staff as early as possibleIt finds the problem, solve the problems, such as.
Pass through three above step, so that it may realize that DMA cell pipe network model management is synchronous with secondary water-supply management, doTo combination.
The present invention is based on GIS, SCADA, the data of operating charges, carry out the secondary water-supply and pipe network model pipe of DMA cellReason, and early warning is carried out to abnormal data.
Following function: DMA cell leakage loss analysis may be implemented in the present invention;DMA cell secondary water-supply management;Hydraulic pressure, water qualityAbnormity early warning.
The present invention reaches the on-line monitoring to secondary water-supply indices, and lead to by the real-time acquisition and upload of dataThe zone of reasonableness for crossing setting core index value, has the function that accident early warning.
Here is a specific implementation example:
East China garden is a residential area in certain city, which shares 1500 families.District structure is by skyscraper (highest17 layers) it is formed with tier building (7 layers of highest), 1~3 layer of hydraulic pressure that can use city planting ductwork directly supplies water, and 4 layers or more needIt is supplied after wanting secondary pressurized pump house to be pressurized, thus cell can be divided into Gao Qu, middle area, three, low area subregion.Center of housing estate position is setThere is secondary pressurized pump house, point three tunnels are respectively three regional water supplies.
Before establishing cell three-level analysis, pass through the rough analysis of the water supply of cell summary table and the water consumption of userThe leakage ratio of the cell is up to 40%, but where can not find the serious place of leakage loss.By combining secondary water-supply and DMAThe three-level of cell is analyzed, and the leakage loss situation in each region can be specified, to be more advantageous to discovery leakage loss position, repair in timeLeakage, and optimize pressure of supply water, by this method, the leakage ratio of the cell is reduced to 16% at present.
When the cell does not set up the monitoring platform of secondary water-supply, it is very inconvenient that management is got up, after many accidents occur for a long timeIt is difficult to find and solve in time, causes many unnecessary economic losses.By the online acquisition and upload of data, using flatPlatform monitors the data of secondary booster pump station in real time, and in the event of an accident, platform can alarm and notify staff, allowsProblem is solved in time.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industryPersonnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe thisThe principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changesChange and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and itsEquivalent thereof.