CN102033969A - Water supply network management system and method - Google Patents
Water supply network management system and method Download PDFInfo
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- CN102033969A CN102033969A CN2009101788660A CN200910178866A CN102033969A CN 102033969 A CN102033969 A CN 102033969A CN 2009101788660 A CN2009101788660 A CN 2009101788660A CN 200910178866 A CN200910178866 A CN 200910178866A CN 102033969 A CN102033969 A CN 102033969A
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Abstract
The invention provides a water supply network management method. The method comprises the following steps: establishing a water supply network geographic information system; monitoring the flow data of a water supply network; determining the leakage level of each network region in the water supply network according to the water supply network geographic information system and the flow data; and according to the leakage level of each network region, determining the network region to be processed, and determining the leakage point to be processed in the network region to be processed. The invention also provides a water supply network management system. By adopting the water supply network management method and system, the flow data of the network can be monitored, the leakage condition of the water supply network can be determined, the leakage processing strategy can be provided, and the water loss and operating cost of the network can be reduced.
Description
Technical field
The application relates to a kind of management system and management method of water supply network.
Background technology
Through regular meeting drainage takes place in the pipe network system that is used for supplying water, these drainages will cause the waste of water resource and bring economic loss, therefore need in time to find the leakage loss point in the pipe network and it is overhauled.
Leakage monitoring to pipe network system often only relies on inspection that the leak source of pipe explosion accident has taken place at present, after booster takes place, adopts remedial measures again.Yet, pipe explosion accident takes place usually before, there has been the long period in these leak sources, and have caused great amount of water resources loss and economic loss thus.In addition, in case form pipe explosion accident, tend to cause great amount of water resources waste, economic loss even abominable social influence.Therefore, need provide a kind of system and method that can realize effectively managing water supply network.
Summary of the invention
The technical matters that the application will solve comprises provides a kind of system and method that can effectively manage water supply network.
According to the application's a aspect, a kind of management method of water supply network is provided, comprising: set up the water supply network Geographic Information System; Water flow data in the monitoring water supply network; Determine the leakage loss level in each pipe network zone in the water supply network according to described water supply network Geographic Information System and described water flow data; And according to the leakage loss level in described each pipe network zone, need to determine the pipe network zone of handling, and determine described need to handle need the leak source handled in the pipe network zone.
Another aspect according to the application, a kind of water supply network management system is provided, wherein, described water supply network comprises a plurality of pipe networks zone, each pipe network zone is provided with a plurality of monitoring points, described system comprises: input media is used to import the Geographic Information System (GIS) data and the water flow data of described water supply network; Data administrator is analyzed and the Geographic Information System (GIS) data and the water flow data of the described water supply network that management is obtained from described load module, to determine the leakage loss level in each pipe network zone; And the leakage loss management devices, according to the leakage loss level in described each pipe network zone, need to determine the pipe network zone of processing, and determine the described leak source that needs processing in the pipe network zone that needs to handle.
Management system and method according to the application's water supply network, can monitor the water flow data of pipe network, determine the leakage loss situation of water supply network, and the processing policy of leakage loss is provided, thereby reduced the generation of afterwards remedying situation, reduced the water loss and the operation cost of pipe network.
Description of drawings
Fig. 1 is the management method process flow diagram according to the water supply network of the application's a aspect;
Fig. 2 is the example user interface that is used to import water flow data;
Fig. 3 is in the management method according to the water supply network of a kind of embodiment of the application, has taken all factors into consideration the synoptic diagram that SDBI index and ILI index need to determine the pipe network zone of handling;
Fig. 4 has shown the water balance table according to the application;
Fig. 5 A-5B has shown the cost of overhaul curve map that needs the leakage loss zone of processing;
Fig. 6 is the management system block scheme according to the water supply network of the application's a embodiment; And
Fig. 7 is the management system block scheme according to the water supply network of the application's another kind of embodiment.
Embodiment
Below in conjunction with drawings and the embodiments, the application is further elaborated.
Fig. 1 is the management method process flow diagram according to the water supply network of the application's a aspect.As shown in Figure 1, for realizing that water supply network is managed with control and minimizing leakage loss, this method comprises: in step 101, set up the Geographic Information System (GIS) of water supply network; In step 102, the water flow data in the monitoring water supply network; In step 103, determine the leakage loss level in each pipe network zone according to described water supply network GIS and described water flow data; Step 104 need to determine the pipe network zone of processing according to the leakage loss level in described each pipe network zone, and determines the described leak source that needs processing in the pipe network zone that needs to handle.
Write down the pipeline location information of water supply network in the Geographic Information System (hereinafter to be referred as " GIS of water supply network ") of the water supply network of in the step 101 of Fig. 1, setting up.In addition, the GIS of water supply network can also write down the pipe characteristic information of water supply network.Pipe characteristic information can comprise information such as the caliber, tubing of pipeline, can also comprise buried depth, length, the pipeline laying age of pipeline, the parameter (for example: the position of pumping plant, bibcock, inspection chamber, water meter, quantity, keying rule, characteristic curve etc.) of pipe network control member.
The foundation of water supply network GIS can utilize the method for existing site inspection to obtain water supply network GIS data.For example, can carry out site inspection to whole water supply network by measuring equipments such as pipeline orientator, high-precision GPS instrument location surveys, to obtain water supply network GIS data.Certainly, if any passing through the water supply network of reconnoitring, then can directly utilize the water supply network information system database of having set up for some pipe network.
Be appreciated that when the geography information of water supply network changes, for example added new water pipe node, upgrade accordingly, can reflect the geography information of current water supply network real-time and accurately to guarantee water supply network GIS to the data of water supply network GIS.
Water flow data in the water supply network (monitoring in the step 102 of Fig. 1) can comprise data on flows, pressure data, noise data etc.These data comprise based on the seasonal effect in time series water flow data, can measure by for example external tool such as flowmeter, pressure gauge.
The length of pipeline that is appreciated that general water supply network surpasses the hundreds of kilometer usually, and the size of leak source has only several millimeters to several centimetres usually, is difficult to therefore realize that the leak source to whole pipe network carries out overall monitor.
A kind of embodiment according to the application in order to monitor the water flow data in the water supply network effectively, finds leak source, pipe network can be divided into a plurality of pipe networks zone.In each pipe network zone, a plurality of monitoring points are set respectively, and monitor the water flow data of described a plurality of monitoring points.The method of monitoring can be that external tools such as flowmeter and/or pressure gauge for example are installed respectively in a plurality of monitoring points.Devices such as this subregion installation flowmeter are called " subregion dress table method " with the method for monitoring water flow data.
The principle of area dividing and target are to mark off permanent independent subsystem, make the location of leak source more easy.In a single day the permanent subregion that is meant that independently subregion dress table is divided here finishes division by the part bibcock of in the zone boundary flowmeter/water meter being installed and close on the zone boundary, then forever exists, and no longer changes.For realizing this target, can determine the pipe network zone with reference to the GIS data, make each pipe network zone all possess following feature: the border is forever closed, and can implement routine monitoring, so in a single day changes, and can in time discover; Subregion enters the mouth by one or a few limited piped water supply, and on every feed pipe the measuring accuracy that flowmeter becomes a mandarin with improvement is housed.Be appreciated that if subregion is too little, build with handling cost higher; If subregion is too big, then can cause big difficulty to determining new leak source.Therefore, the mode of pipe network subregion waterpower characteristics and the operation situation that can also take all factors into consideration pipe network carries out.
According to a kind of embodiment, can the multilayer subregion be set to pipe network system.For example, in larger pipe network, can at first water supply network be divided into a plurality of pipe networks zone (ground floor subregion), and then select one or more pipe networks zone that it further is divided into a plurality of pipe network subregions (second layer subregion).Like this, the size of subregion be can reasonably plan, area monitoring and management helped.
By pipe network is carried out subregion, can in each pipe network zone, a plurality of monitoring points be set respectively, and monitor the water flow data of a plurality of monitoring points, can pass through the monitoring of subregion and manage the monitoring that realizes whole water supply pipe net system.
As mentioned above, can comprise data on flows, pressure data, noise data etc. according to the water flow data in the application's the water supply network.Wherein data on flows is the data relevant with discharge in the water supply network, the data on flows that comprises data on flows, the data on flows in each pipe network zone and/or the pipeline in the pipe network zone in the water supply network that flowmeter monitors, and system water supply amount that counts on and water usage data etc.Pressure data is the data with the pressure correlation of water, comprises the pressure data of the pipeline in the water supply network that monitors, in each pipe network zone and/or the pipe network zone.Noise data is meant the leak source noise data of monitoring and record.
In order to monitor current water supply network duty more accurately, the water flow data in the water supply network can further include leakage loss and reports data for repairment.Leakage loss is reported the information that data comprise customer complaint for repairment, and degradation under water, the pressure is for example arranged on the road surface.Each calling information all is archived in the report.The leak source position can also be reported with image or map.
According to an embodiment, the water flow data in the water supply network can further include the leakage loss locator data and leakage loss is repaired data.The leakage loss locator data comprises the relevant information of oriented leakage loss, as information such as the position of existing leak source, sizes.Leakage loss is repaired the relevant information that data comprise the leakage loss of repairing, as when find should existing leak source, by which kind of mode it is repaired.
After getting access to above-mentioned water flow data, various water flow data can be stored in the database.A kind of inputting interface that water flow data is imported database that provides for the user is provided Fig. 2.Be appreciated that various water flow data can store in the database with forms such as forms.Alternatively, the part water flow data can be by forming form and the mode input database manually to fill in, and for example, leakage loss is reported data, leakage loss locator data and leakage loss for repairment and repaired data.In database, can be for various water flow data distribute data ID, so that call the associated water stream data by data query ID.In addition,, can for example show and can print in modes such as figure, forms, perhaps derive with text (text) form according to time series for the various water flow data of being stored in the database.
According to the application's a embodiment, can also further carry out preliminary screening to water flow data.For example, can check the water flow data that is stored in the database,, illustrate that then these numerical value are wrong, can remove these numerical value and generate preliminary screening report, the error situation that report is relevant if having negative value or great value.
After the water meter subregion enters operation state, the leakage loss level of determining each pipe network zone in the water supply network by the water flow data that obtains and GIS data just.
The leakage loss level in pipe network zone can be represented the order of severity of the leakage loss in pipe network zone.The order of severity (leakage loss level) in order to weigh this leakage loss needs certain index as a reference.
A kind of embodiment according to the application, can determine the leakage loss level in each pipe network zone in the water supply network by following one or more leakage loss performance index (concrete computation process will be described in detail later) that the water flow data that obtains is calculated each pipe network zone in conjunction with the GIS data, wherein, zone with high leakage loss performance index, represent the leakage loss level height that this is regional, and it is low to have the leakage loss level that the region representation of low leakage loss performance index should the zone.
1) production and marketing difference index, promptly total water leakage (damage by water consumption) is with respect to the number percent of water supply total amount.
2) leakage loss reference index, these leakage loss performance index can consider to have in the pipe network leakage loss situation of the pipeline of different Connection Density.That is, be the pipe network that every km connects greater than 20 pipelines for Connection Density, the leakage loss reference index is generally represented at the water leakage of some tie points with every day, can be abbreviated as water leakage/linking number/sky (m
3/ connections/day); For the Connection Density pipe network that to be every km connect less than 20 pipelines, the leakage loss reference index by every day the water leakage on Trunk Line length (km) represent, be abbreviated as water leakage/Trunk Line length/sky (m
3/ Km of mains/day).
3) infrastructure leakage loss index (Infrastructure Loss Index:ILI), this index are the leakage loss performance index that international water association (IWA) is recommended, and its computing formula is as follows:
ILI＝CARL/UARL
CARL (Current Annual Real Loss) is meant true loss value of current year, and UARL (Unavoidable Annual Real Loss) is meant true loss value of inevitable year.Wherein, inevitable year, true loss value UARL was meant under current technical merit and condition, take the theoretic minimal physical leakage of all unavoidable water system of what technological means water yield, comprise certain background leakage, some bright leakages and dark the leakage.UARL also can be described as leakage loss foundation level or " policy minimum value ".Can utilize the GIS data and the water flow data of acquisition, calculate true loss value CARL of current year, and calculate true loss value UARL of inevitable year by the UARL computing formula of recommending by international water association (IWA) by the water balance method.
Be appreciated that above three kinds of leakage loss performance index can both reflect the actual leakage loss situation in the pipe network zone, therefore, can determine the leakage loss level according to these leakage loss performance index.
How will to specifically describe water supply network GIS data and water flow data below, determine above-mentioned leakage loss performance index by having obtained.
Can determine each pipeline that each pipe network zone is comprised according to water supply network GIS data and area dividing, comprise Trunk Line and each take-off line.Can obtain the data on flows of each pipeline in this pipe network zone by the water flow data in this pipe network zone of input.According to a kind of embodiment of the application, can utilize the water balance method to calculate the parameters of leakage loss performance index.
The water balance method is to deduct the method that the water that consumes in this estimated zone calculates the leakage loss level by the water that will be supplied to the pipe network zone.That is the system's input water yield=water consumption+leakage loss water yield.It will be understood by those skilled in the art that the water balance method is a kind of method that international water is assisted suggestion.Fig. 4 has shown according to the application's water balance and has represented example.In water balance table shown in Figure 4, the water supply total amount, effectively output, sell the data on flows acquisition that the water yield, free water volume, book water leakage, metering are sold the water yield, metering is sold the water yield, metering free water volume, do not measured free water volume, illegal water (stealing water) and table error in dipping can be by this pipe network zones in the water flow data of above-mentioned input each pipeline.Can calculate the data on flows that following need are determined according to the data on flows of above-mentioned input: seepage such as total water leakage, actual water leakage, water-supply-pipe and main water leakage, pond/water tower and overflow, home-in-pipe wastage, the production and marketing difference water yield.Wherein, calculating and needing the method for definite data on flows is prior art, and for example, therefore total water leakage=water supply total amount-effective output here is not described in detail.In addition, after having obtained above-mentioned data on flows, can further calculate the parameters of the required index of the leakage loss level of determining each pipe network zone, the CALCULATION OF PARAMETERS mode of concrete every index belongs to prior art, is not described in detail at this.
In addition, according to the application's another kind of embodiment, can utilize minimum method of flow at night to calculate the parameters of leakage loss performance index according to described water supply network GIS and described water flow data.The calculating principle and the water balance method of minimum method of flow at night are similar (promptly, water balance is to utilize the average water yield, calculate as the flow in every day or every year etc. in the time by measuring unit, and minimum flow at night is based on calculating at measured instant flow of the minimal consumption cycle at night).Therefore, utilize minimum method of flow at night to calculate the parameters of leakage loss performance index, obtain the various datas on flows of measurement at night exactly by the flowmeter metering, and the required various datas on flows of parameters of leakage loss performance index are determined in calculating based on this, this process and the above-mentioned parameters of utilizing the water balance method to calculate the leakage loss performance index are similar, no longer are described in detail at this.
After the leakage loss level of having determined each pipe network zone, need further need to determine the pipe network zone of processing, and determine described each leak source position that needs to handle the pipe network zone.
Be appreciated that, the higher zone of leakage loss level generally includes the leak source of a greater number or comprises more serious leak source, therefore can select the higher pipe network zone of leakage loss level as the zone that needs to handle, for example overhaul this zone, new monitoring point etc. be set in this zone.For example, can set a scale-up factor, when the leakage loss level is higher than this scale-up factor, needing be defined as the zone of processing.For example this scale-up factor can be decided to be 35%, wherein, is higher than 35% zone for the leakage loss level and needing can be defined as the maintenance zone.Certainly, 35% example just here, concrete range of choice can be according to actual leakage loss situation, and maintenance fund etc. is taken all factors into consideration, and for example, also can be 30%, 40% higher relatively zone of leakage loss level etc.
According to a kind of embodiment of the application, when determining to need the pipe network zone of processing, not only can consider the leakage loss level, can also further consider the abundant degree of water supply in this pipe network zone.Be appreciated that for the roughly the same zone of leakage loss level, should consider at first to overhaul the zone that water resource lacks.
According to the application's another kind of embodiment, determine to need handle regional the time, except can considering above-mentioned leakage loss performance index (leakage loss level), can also further consider the situation of these regional water resources, that is, abundant degree supplies water.Wherein, the abundant degree that supplies water can be weighed by the abundant index of water resource.
According to an embodiment, can adopt to supply with to require balance index (Supply-Demand BalanceIndex:SDBI) as the abundant index of water resource.The maximum water demand of SDBI index expression can utilize the ratio of supplying with the water yield with maximum, and this index can be represented the sufficient degree of water resource.Alternatively, can take all factors into consideration in SDBI index and the above-mentioned leakage loss performance index one or more and need determine the pipe network zone of handling.
Describe below with reference to Fig. 3 and to have taken all factors into consideration the zone that SDBI index and ILI index need to determine processing.In Fig. 3, horizontal ordinate is represented the ILI index, and ordinate is represented the SDBI index.Be appreciated that high SDBI value has characterized the shortage of water resource (regional a1, a2, a3), and high ILI value is corresponding to high leakage loss level (regional a3, b3, c3).For example, the abundant and low pipe network zone of leakage loss level of regional c1 (zone, lower left among the figure) expression water resource, that is, this pipe network zone state is good.Zone a3 (zone, upper right side among the figure) expression water resource lacks and the high pipe network zone of leakage loss level.
Be appreciated that the higher zone of leakage loss level (regional a3, b3, c3), can carry out the processing priority ordering to these zones according to the situation of water resource.For example, can at first overhaul regional a3, overhaul regional b3 then, overhaul regional c3 at last.In addition, can also determine the maintenance strategy of leak source in each zone according to the situation of water resource.For example, for the mode that the forward regional a3 of prioritization can consider to carry out immediately the generaI investigation of blanket type leak source, handle each leak source.Then can consider to determine the processing policy of each leak source by the following mode of taking all factors into consideration factors such as ullage, maintenance manpower, maintenance material resources and financial resources that will describe in detail for maintenance regional b3, c3.In addition, for the abundant c3 zone of water resource, also can select temporarily to disregard according to actual conditions.
Then can determine the zone that needs are handled for the general zone of leakage loss level (regional a2, b2, c2) according to the water resource situation.For example can determine the zone of regional a2 that water resource lacks, and needn't overhaul regional b2 and c2 for needing to overhaul.
Be appreciated that, when utilizing regional that SDBI index and ILI index determine need to handle, not only can consider the actual leakage loss level in each pipe network zone, can also further consider the supply status of water resource, therefore more fully judge the pressing degree of the need processing in each pipe network zone.
After having determined the pipe network zone that needs to handle, then need to determine to need in this pipe network zone the leak source of handling.
According to a kind of embodiment, can determine the position of each leak source in this pipe network zone earlier.For example, can the tie water flow data and the GIS data determine the leakage loss position, that is, and the particular location of leak source.According to the application, can carry out pre-determined bit to leak source by the pressure data of input.For example, can detect the pressure data of each pipeline (perhaps some main pipeline) in certain the pipe network zone that need overhaul, if significant change has appearred in pressure data, for example: unusual or bust, can assert tentatively that then leak source has appearred in this pipeline.After tentatively having confirmed to have the pipeline of leak source, can determine the accurate position that leak source takes place by noise data.For example, can carry out the road surface to pipeline and survey and investigate, can measure the mistiming of the noise transmission of leak source generation in this pipeline section,, determine the accurate position that leak source takes place according to the velocity of propagation of sound wave in water at pipeline section two ends sensor installation to two end sensors.The monitoring that is appreciated that noise data can be just to gather and import by the leakage loss prospecting tools at scene after having determined to have the pipeline of leak source.
Behind the position of each leak source of having determined the pipe network zone that need are handled, can determine processing mode to each leak source.
According to a kind of embodiment, can directly handle each leak source.For example, as shown in Figure 3 regional a3 can directly keep in repair all leak sources behind the particular location of having determined each leak source that should the zone.
But, be appreciated that the leak source cost of overhaul of water supply network is very high usually, for example, need cut off the water supply, block traffic, excavate road surface etc.Generally speaking, promptly allow to monitor all leak sources or can monitor most leak source, also be difficult to accomplish all leak sources that monitor are all overhauled.For this reason, according to another kind of embodiment, can take all factors into consideration the maintenance order that factors such as ullage, maintenance manpower, maintenance material resources and financial resources are determined each leak source.
According to a kind of embodiment of the application, can consider that active leakage loss control (ALC) operation cost of each leak source in the pipe network zone that need are handled determines that the processing priority of each leak source is other.Wherein, initiatively leakage loss control (ALC) operation cost is meant the cost of management water supply network that can continuous and effective, for example according to the operation cost of the application's water supply network management system can comprise the cost of setting up generalized information system, in the monitoring water supply network water flow data cost, determine each pipe network zone leakage loss level cost, determine the cost and the corresponding cost of overhaul that need the pipe network zone of maintenance and need the maintenance leak source.Wherein, the cost of overhaul is subjected to the influence that leakage loss is reported data, leakage loss locator data and leakage loss repairing data etc. for repairment,, is subjected to the influence of pipe network facilities basal conditions such as age and maintenance record etc. that is.Wherein, the account form of concrete active leakage loss control (ALC) operation cost belongs to prior art, is not described in detail at this.
After having determined active leakage loss control (ALC) operation cost of each leak source, can determine the priority of each leak source maintenance according to the height of cost.Can at first consider to handle the leak source that the ALC cost is low and water leakage is big, for example economical default etc. then according to actual conditions, select to handle the high leak source of ALC cost.
Determine the maintenance order of each leak source, also needing further to confirm the leak source quantity (maintenance strategy) of needs maintenance.According to a kind of embodiment, can determine the maintenance strategy according to drawing ALC cost curve and loss water cost curve.
Fig. 5 A-5B has shown the cost curve figure that needs the leakage loss zone of maintenance, and wherein, transverse axis is the leakage loss level, and the longitudinal axis is a cost.Shown in Fig. 5 A, inevitable year of curve 540 expressions is loss value (UARL) truly.The economic loss that curve 520 expression loss water (total water leakage) bring is appreciated that the increase along with loss water, the economic loss increase that also is directly proportional.
In order more to clearly illustrate, show the curve 510 among Fig. 5 A among Fig. 5 B separately.The current state in the leakage loss zone of the point 511 expression Awaiting Overhauls on the curve 510, that is, and the situation when having 30 leak sources in the pipe network zone.If during wherein 28 leak sources of point 512 expression expression maintenance, the situation of its total cost.If during wherein 15 leak sources of point 513 expression maintenance, the situation of its total cost.As can be seen, point 513 is the minimum point of curve, and promptly it represents the minimum situation of total cost.Be appreciated that a little 513 is exactly the target of leakage loss control, the optimum efficiency level of leakage loss control just (value of loss water (but conserve water) equals to repair the point of the cost of leakage loss), this point also can be called leakage loss economy class index (ELL).That is to say that in this enforcement, the optimal strategy of maintenance is for repairing 15 leak sources of the maintenance front in 30 leak sources, at this moment, needed total cost is minimum.
As mentioned above, can pass through to draw ALC operation cost curve and loss water cost curve figure, and the mode of total cost figure, (that is, ELL), and the decision maintenance is tactful thus to find the minimum point of total cost.
According to the application's another kind of embodiment, water supply network leakage loss management method can further include by the pipe network mathematical model to come the leakage loss operating strategy of water supply network is optimized.For this reason, at first need foundation and calibration (that is calibration) pipe network mathematical model.
The pipe network mathematical model is meant a kind of model that can simulate whole water supply pipe net system.According to the application's a embodiment, set up the factor that the pipe network mathematical model considered and comprise following one or more cited data:
Come from the GIS data;
Pipeline: caliber, pipe range and roughness;
Node: pipeline connectedness and ground elevation;
Water consumption: user's water usage data;
Use water characteristic curve: all types of water users' water consumption characteristic curve;
Reservoir/clear water reserviors: the water level and the water yield;
Pumping plant: characteristic curve;
Valve: keying state and hydraulic performance.
According to present embodiment, pipeline, node data, reservoir/clear water reserviors data, pumping plant data, valve data are from the GIS data; Water usage data, usefulness water characteristic curve are from water flow data.After obtaining above-mentioned data, can assist to finish by existing mathematical modeling instrument and set up the pipe network mathematical model.For example can adopt existing MIKE URBAN pipe network modeling tool to finish modeling.
After the pipe network mathematical model is set up, need calibrate this model, i.e. the calibration of model.The calibration of model is the flow of The model calculation and actual measurement and the process of pressure data comparison, can realize by the mode of for example curve fitting.Percent of pass is guaranteed the fiduciary level of model surely, thereby can further carry out the simulation and the Aided Design of different operating modes by model.In order to guarantee the high precision of model, the calibration process need comprises minimum flow, maximum flow and average discharge at 2 to 3 kinds of hydraulics.Perfect model of calibration should guarantee to calculate and measured data between error (is example with pressure) about ± 1.5 meters head pressures (in).Because the calibration of model relates to flow and the pressure that records under relatively on-the-spot some test condition in model, therefore need to guarantee reliability, the actual measurement period and simulation period consistance of measured data.
According to an embodiment, can be by the auxiliary definite pipe network dividing region mode of pipe network mathematical model (subregion dress table mode).As previously mentioned, the principle of area dividing and target are to mark off permanent independent subsystem, make the location of leak source more easy.And forever independently be meant the subregion that subregion dress table is divided in case finish division by the part bibcock of in the zone boundary flowmeter/water meter being installed and close on the zone boundary, and then forever exist, no longer change.Be appreciated that dividing region need relate to operations such as closing of border bibcock.For this reason, can close the operation of bibcock by simulation in the pipe network mathematical model, just can judge whether close bibcock can cause harmful effect to the water supply in this pipe network zone, thereby can judge whether this dividing region is reasonable according to the size of influence, and can upgrade the pipe network dividing region according to Simulation result.
According to another embodiment, can determine how in the pipe network zone, the monitoring point to be set by the pipe network mathematical model is auxiliary.Generally speaking,, all more relatively monitoring point can be set, so just bring unnecessary equipment investment and maintenance cost for guaranteeing comprehensive monitoring.Utilize the pipe network mathematical model, can find out the monitoring point of unnecessary setting by simulation, thereby Simulation result is upgraded the setting of monitoring point.For example, can simulate the monitoring numerical value of each monitoring point, for match monitoring point preferably, then remove the monitoring point that has been provided with, and obtain the data such as flow, flow velocity and pressure of this position by the simulation of pipe network mathematical model by the pipe network mathematical model.Like this, the monitoring point can be set reasonably, save cost.
According to another embodiment of the invention, can pass through the pipe network mathematical model, for the processing of water supply network decision-making (for example overhauling scheme) provides support, comprise emergency response, stress management, operation optimization etc., thereby the crowd and the area that are subjected to accident impact are minimized, shorten the reaction time simultaneously.When accident occurring, can simulate various maintenance situations by the pipe network mathematical model, to determine the maintenance scheme.For example, when serious booster appears in certain pipeline section, can adopt three kinds of modes to overhaul: the first, cut off all relevant water sources, sealing relevant road segments immediately, and begin the road breaking maintenance immediately; The second, cut off all relevant water sources immediately, temporarily do not seal relevant road segments, treat to begin again night the road breaking maintenance; The 3rd, only the closely-related water source of cut-off parts does not temporarily seal relevant road segments, treats to begin night the road breaking maintenance again.Can simulate this pipeline section or relevant partitions to carrying out the responses of these three kinds maintenance schemes by the pipe network mathematical model,, thereby determine to adopt which kind of maintenance scheme with the influence of predicting that these schemes may be brought separately.
In addition, because the leakage loss level is directly related with the stress level of pipe network, ductwork pressure is high more usually, and leakage loss is just big more.In order to reduce the leakage loss level, effectively reduce the occurrence frequency of booster, the management method according to the application's water supply network can further realize managing ductwork pressure.Thereby improve the leakage loss situation, repair water loss.According to a kind of embodiment, can be by the pressure distribution situation and the dynamic change situation of pipe network mathematical model simulation pipe network, determine the stress management scheme, with under the prerequisite that guarantees the water services level, reduce ductwork pressure as far as possible, the energy-conservation of booster station can be accomplished like this, the leakage loss level can be reduced apace again.
Be appreciated that by utilizing the pipe network mathematical model to simulate whole water supply network, can provide prioritization scheme for the subregion of water supply network, the setting of monitoring point, the selection of handling decision-making and ductwork pressure management.
According to another aspect of the application, provide a kind of management system of water supply network.Fig. 6 has shown the block scheme of this system.As shown in Figure 6, in the management system of this water supply network, water supply network comprises a plurality of pipe networks zone, and each pipe network zone is provided with a plurality of monitoring points, and this system comprises: input media 601 is used to import the Geographic Information System and the water flow data of water supply network; Data management module 602 is analyzed and the Geographic Information System and the water flow data of the water supply network that management is obtained from load module, to determine the leakage loss level in each pipe network zone; And leakage loss administration module 603, need to determine the pipe network zone of processing according to the leakage loss level in described each pipe network zone, and determine the described leak source that needs processing in the pipe network zone that needs to handle.
Fig. 7 has shown a kind of concrete embodiment according to the application's water supply network leakage loss management system.As shown in Figure 7, this water supply network leakage loss management system comprises: input media 710; Import manager 720; Database 730; Data management module 740; Leakage loss administration module 750; And output unit 760.Input media 710 further comprises: the Geographic Information System of water supply network (GIS) data input module 711 and water flow data load module 712.Wherein, water flow data comprises data on flows, pressure data, noise data, can further include leakage loss and reports data, leakage loss locator data and leakage loss repair data for repairment.Can import and store into the database 730 by importing manager 720 from the GIS data of GIS data input module 711 inputs with from the water flow data that water flow data load module 712 is imported.Be appreciated that, from the GIS data of GIS data input module 711 inputs and the water flow data of importing from water flow data load module 712 may be various forms of data, for example may be the data of form, the data of text text formatting, the data of curvilinear figure form etc., by importing manager 720, these data all can be converted to the data mode that meets database 730 desired forms, the data of for example data of certain form, or certain graphic form.
Alternatively, data administrator 740 is configured to Geographic Information System and the water flow data according to the water supply network that obtains from database 730, calculate the leakage loss performance index by minimum method of flow at night or water balance method, and the calculating supply requires balance index to determine the leakage loss level.
Leakage loss management devices 750 is configured to need to determine the pipe network zone of processing according to the leakage loss level in described each pipe network zone, and determines described each leak source position that needs to handle the pipe network zone.
Alternatively, leakage loss management devices 750 can further be configured to the cost according to active leakage loss control operation cost and loss water, determines to need to handle the leak source that need overhaul in the pipe network zone.Further, leakage loss management devices 750 can also be according to the ALC operation cost and the loss water cost that calculate gained, and the leak source of need being handled the pipe network zone sorts, and definite quantity that needs the leak source of processing.
In addition, water supply network leakage loss management system can further include output unit 760, is used to export generalized information system data report, water flow data report, leak source situational map, and the report of leakage loss maintenance strategy etc.
Alternatively, water supply network leakage loss management system as shown in Figure 7 may further include model management module 770 and optimal module 780.Wherein, model management module 770 can be set up the model of water supply pipe net system as mentioned above, or utilize the existing model that can simulate whole water supply pipe net system, simulate the situation of pipe network overall system, each subregion and node and to the response condition of various processing.Model management module 770 is connected with database 730.Model management module 770 is obtained from database 730 and is set up and needed GIS data of calibration pipe network mathematical model and water flow data.Optimal module 780 is connected with model management module 770, be used to utilize the result of modeling, upgrade setting and/or definite processing scheme of water supply network, for example determine pipe network dividing region mode, the set-up mode of monitoring point and leakage loss maintenance scheme etc. in the pipe network zone.Concrete mode does not repeat them here as previously mentioned.
Abovely be described with reference to the exemplary embodiment of accompanying drawing to the application.Those skilled in the art should understand that, though above-mentioned various embodiments are descriptions of carrying out with reference to the management system and the method for water supply network, but, also can be used for the management of heating network (that is the pipe network of hot water, is provided) according to the application's various embodiments.For example, for realizing that heating network is managed with control and minimizing leakage loss, can set up the Geographic Information System of heating network; Flow of hot water data in the monitoring heating network; The leakage loss level of determining each pipe network zone according to the Geographic Information System and the flow of hot water data of heating network; Need to determine the pipe network zone of processing according to the leakage loss level in described each pipe network zone, and determine described each leak source position that needs to handle the pipe network zone.
Be appreciated that above various embodiments only are for illustrative purposes and the example of being lifted, rather than be used for limiting.All in the application instruction and the claim protection domain under done any modification, be equal to replacement etc., all should be included in the claimed scope of the application.
Claims (19)
1. the management method of a water supply network comprises:
Set up the water supply network Geographic Information System;
Water flow data in the monitoring water supply network;
Determine the leakage loss level in each pipe network zone in the described water supply network according to described water supply network Geographic Information System and described water flow data; And
According to the leakage loss level in described each pipe network zone, need to determine the pipe network zone of processing, and determine the described leak source that needs processing in the pipe network zone that needs to handle.
2. the method for claim 1, described method further comprises, described water supply network is divided into a plurality of described pipe networks zone, in described pipe network zone, at least one monitoring point is set, and the water flow data in the described monitoring water supply network comprises the water flow data that detects described a plurality of monitoring points.
3. the method for claim 1, wherein described water flow data comprises data on flows, pressure data, noise data.
4. method as claimed in claim 3, wherein, described water flow data comprises that further leakage loss is reported data, leakage loss locator data for repairment and leakage loss is repaired data.
5. the method for claim 1, wherein, describedly determine that according to grid Geographic Information System and water flow data the step of the leakage loss level in each pipe network zone further comprises: calculate the leakage loss performance index in described each pipe network zone, and determine the leakage loss level according to the leakage loss performance index.
6. method as claimed in claim 5, wherein, described leakage loss performance index comprise production and marketing difference index, leakage loss reference index or infrastructure leakage loss index.
7. method as claimed in claim 5, wherein, the step in described definite pipe network zone of need handling further comprises, calculates the abundant index of water resource in described each pipe network zone, and pipe network zone that need to determine processing according to the leakage loss performance index and the abundant index of water resource in each pipe network zone.
8. method as claimed in claim 7, wherein, the abundant index of described water resource comprises that supply requires balance index.
9. method as claimed in claim 8, wherein, described definite described step that needs to handle the leak source that need handle in the pipe network zone further comprises, calculates the cost of each leak source active leakage loss control operation cost and loss water, and is other with the processing priority of determining each leak source.
10. method as claimed in claim 9, wherein, described determine described need to handle need the step of the leak source handled further to comprise in the pipe network zone, determine the described leakage loss economy class index that needs to handle the pipe network zone, with the leak source quantity of need determining to handle.
11. method as claimed in claim 2, wherein, described method further comprises sets up the water supply network mathematical model, simulates each pipe network dividing region by the water supply network mathematical model, and upgrades the pipe network dividing region according to Simulation result.
12. method as claimed in claim 2, wherein, described method further comprises sets up the water supply network mathematical model, by the setting of each monitoring point in the water supply network mathematical model simulative tube web area, and upgrades the setting of monitoring point according to Simulation result.
13. the method for claim 1, wherein, described method further comprises sets up the water supply network mathematical model, simulates the described processing scheme that needs each leak source in processing pipe network zone by the water supply network mathematical model, and determines final processing scheme according to Simulation result.
14. a water supply network management system, wherein, described water supply network comprises a plurality of pipe networks zone, and each pipe network zone is provided with a plurality of monitoring points, and described system comprises:
Input media is used to import the Geographic Information System (GIS) data and the water flow data of described water supply network;
Data administrator is analyzed and the Geographic Information System (GIS) data and the water flow data of the described water supply network that management is obtained from described load module, to determine the leakage loss level in each pipe network zone; And
The leakage loss management devices according to the leakage loss level in described each pipe network zone, need to determine the pipe network zone of processing, and determines the described leak source that needs processing in the pipe network zone that needs to handle.
15. system as claimed in claim 14, wherein, described data administrator further is configured to calculate the leakage loss performance index in described each pipe network zone, and determines the leakage loss level according to the leakage loss performance index.
16. system as claimed in claim 14, described leakage loss management devices further is configured to calculate the abundant index of water resource in each pipe network zone, and determines the pipe network zone that need are handled according to the leakage loss level and the abundant index of water resource in each pipe network zone.
17. system as claimed in claim 16, described leakage loss management devices further is configured to calculate the initiatively cost of leakage loss control operation cost and loss water, and determines to need to handle and need the leak source handled in the pipe network zone.
18. system as claimed in claim 14 further comprises importing manager and database, imports and stores into the database by importing manager from the Geographic Information System (GIS) data and the water flow data of the water supply network of input media input.
19. system as claimed in claim 14 further comprises:
The model management module is set up the water supply network mathematical model, according to the Geographic Information System (GIS) data and the water flow data of the water supply network that obtains from described database, utilizes the subregion of described modeling water supply network, the setting and the various processing scheme of monitoring point; And
Optimal module by described Simulation result, is upgraded the subregion of water supply network, the setting of monitoring point, and selects processing scheme.
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