CN110991942A - Intelligent water affair DMA leakage analysis system - Google Patents
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Abstract
The invention discloses an intelligent water affair DMA leakage analysis system which comprises a security module, wherein a user accesses the security module through a network to enter a system interface, and the system interface is provided with a pipe network model module, a DMA partition module, a leakage analysis module, an abnormity alarm unit and a report unit. The invention effectively monitors, controls and manages the leakage of the water supply network by performing DMA partition on the water supply network. After the DMA management is carried out on the water supply network, the inlet pressure can be properly adjusted, the pressure management is convenient, the service life of the pipeline and the accessory equipment can be prolonged through scientific pressure management, and the leakage frequency can be reduced; the pipeline leakage or pipe burst can be quickly found according to the minimum night flow change curve monitored by the DMA flowmeter, the leakage point positioning search area is reduced, and the leakage point positioning is assisted; determining the leakage degree of different areas, identifying the maximum possible leakage area, and scientifically determining the key leakage monitoring control area from the aspect of comparing leakage check and leakage control maintenance cost.
Description
Technical Field
The invention belongs to the technical field of water affair management, and particularly relates to an intelligent water affair DMA leakage analysis system.
Background
Along with the acceleration of the process of local urbanization, urban frames are continuously enlarged, the problem of water supply safety is more obvious, the leakage rate of a pipe network is higher, the pipe network is difficult to inspect and maintain, the pipe network is long in reconstruction and extension period, and cannot adapt to the high-speed development of the city, the leakage of the water supply network not only causes the waste of water resources, but also easily causes secondary disasters such as road surface collapse and the like, and the urban water supply network is an important factor influencing the water supply safety and public safety.
Disclosure of Invention
In view of the above-mentioned deficiencies in the prior art, the present invention provides an intelligent water service DMA leakage analysis system. The invention adopts DMA partition to carry out partition leakage analysis on the water supply network, greatly shortens the time and the area for finding water leakage, realizes the quick positioning of the total water leakage time of leakage points, and can be divided into three sections which are respectively called finding, positioning and repairing. The repair time is the time generally used for completing repair once the water leakage point is accurately positioned, and comprises planning and applying for excavation time to urban construction management departments according to the method. Total water leakage = leakage per unit time leakage versus time of occurrence of water leakage. The DMA management is implemented, so that the area where the water leakage exists can be found quickly, and the time for finding the water leakage is shortened; and (4) guiding the water leakage detection work of leakage detection personnel to purposefully and intensively detect the water leakage.
The technical scheme adopted by the invention is as follows:
the utility model provides an wisdom water utilities DMA leakage analysis system, includes security module, and the user passes through network access security module and gets into the system interface, is equipped with functional module at the system interface, functional module includes pipe network model module, DMA subregion module, leakage analysis module, unusual alarm unit and report form unit.
The pipe network model is used for building a water supply pipe network model and comprises a pipe network component database and a pipe network building submodule; the pipe network component database is used for storing parts of the water supply pipe network; and the pipe network building submodule calls parts from the pipe network part database to build a water supply pipe network model.
The DMA partition module is used for partitioning the built water supply network model and comprises a DMA partition generation submodule, a region editing submodule, a partition equipment association configuration submodule and a water meter association configuration submodule.
And the DMA partition generation submodule is used for partitioning the built water supply pipe network to obtain a plurality of DMA partitions and storing the generated DMA partitions in a DMA partition database.
The area editing submodule comprises an editing unit and a storage unit; and the editing unit is used for calling the DMA partition from the DMA partition database, editing the basic information of the DMA partition and storing the edited DMA partition in the DMA partition database.
The partition equipment association configuration submodule comprises a partition equipment database and an equipment association configuration unit; and the partition equipment database is used for storing the equipment in each DMA partition, and when the water supply pipe network is partitioned, the equipment in the DMA partition is automatically stored in the corresponding partition equipment database.
The device association configuration unit is used for calling the partition devices from the partition device database and setting the association between the partition devices.
The water meter association configuration submodule comprises a water meter database and a water meter association configuration unit; the water meter database is used for storing the water meter information of each DMA partition; and the water meter association configuration unit is used for calling water meter information from the water meter database and setting the association between the subarea water meters.
The leakage analysis module is used for analyzing the leakage of the DMA partition module; the system comprises a subarea flow acquisition unit, a subarea flow database, a leakage analysis unit, a DMA leakage database and a production and marketing difference analysis unit.
And the subarea flow acquisition unit acquires the night flow of each DMA subarea through the flow meter of each DMA subarea and stores the night flow in the subarea flow database.
And the leakage analysis unit calls the night flow information of each DMA partition from the partition flow database, analyzes the night flow information to obtain the leakage condition of each DMA partition and stores the leakage condition of each DMA partition in the DMA leakage database.
The production and marketing difference analysis unit effectively counts data such as water supply quantity, water demand quantity, leakage quantity and the like in each subarea through the regular analysis of inflow and outflow and actual sales water quantity in each subarea, and accurately calculates and manages the production and marketing difference rate; the system comprises a DMA partition inflow acquisition unit, a DMA partition inflow database, a DMA partition outflow acquisition unit, a DMA partition outflow database, a DMA partition water selling amount acquisition unit, a DMA partition water selling amount database, an analysis unit and a production and sales difference database.
And the DMA partition inflow acquisition unit acquires the inflow of the DMA partition through the DMA partition flow meter and stores the inflow in the DMA partition inflow database.
And the DMA partition outflow acquisition unit acquires the outflow of the DMA partition through the DMA partition flowmeter and stores the outflow in the DMA partition outflow database.
And the DMA subarea water selling amount acquisition unit acquires the DMA subarea water selling amount and stores the DMA subarea water selling amount in the DMA subarea water selling amount database.
And the analysis unit is used for calling data information from the DMA subarea inflow database, the DMA subarea outflow database and the DMA subarea water selling amount database, analyzing the data information to obtain the production and sales difference of each DMA subarea, and storing the obtained production and sales difference in the production and sales difference database.
And the abnormity alarm unit is used for monitoring the DMA partition module and the leakage analysis module and giving an alarm when abnormity occurs.
And the report unit is used for generating and outputting reports of the DMA partition module and the leakage analysis module.
In the present invention, the following factors of partitioning need to be considered before implementing DMA partitioning:
(1) DMA size
The size of the DMA is represented by the number of users in the area, and is the primary factor to be considered in partitioning. If the number of users in the DMA is too large, identifying small leakage in the night flow data monitored by the flow meter is difficult, and positioning of leakage points is also difficult, so that the DMA leakage monitoring efficiency is obviously reduced; on the contrary, the number of users in the DMA is too small, which is not economical.
The determination of the maximum coverage of the DMA is based on an acceptable duration of pipe misses. For example, if it is determined that there is a pipe miss in an area, the maximum range of DMA should be the maximum pipe network range within 1 day to accurately locate the miss point. In this case, loss was found on day 1, loss points were located on day 2, and repairs were performed on day 3, requiring up to 3 days. If the duration of the allowed misses is extended, the DMA range can be increased, but this is at the cost of wasted water due to the misses. The length of the pipeline of the DMA not only influences the exertion of the leakage monitoring function, but also has direct influence on the water pressure and the water quality in the DMA, and the length of the pipeline becomes another parameter index for controlling the size of the DMA. When the water supply network carries out DMA division, two parameters of the number of users and the length of a pipeline are comprehensively considered, and the size of the DMA is controlled by adjusting the two parameters of the DMA.
(2) Maintaining integrity of pipe network
The integrity of the DMA pipe network refers to that water enters from one or more water inlets, the water can be conveyed to each use in the DMA, the actual operability of the DMA is determined, the original pipe network structure needs to be fully respected during planning, and the pipeline reconstruction is reduced.
(3) DMA for driving water supply main line into water pipe
When dividing the DMA, the water supply main line is divided into the water delivery pipe DMA. Therefore, the original annular structure is kept to ensure the water supply safety, and the large main valve can be prevented from being closed, so that the influence on the whole pipe network is reduced.
(4) The situation that the water pipe is provided with branch lines of users
When the branch lines connected from the main trunk line are more and scattered, if the branch lines are divided into the water distribution pipeline DMA, more new pipeline connections are needed in implementation, and the branch lines can be divided into the water conveying pipeline DMA, so that a user can still supply water from the water supply trunk line.
(5) Ensure the water quality in the water transportation and distribution process
Because the DMA partition needs to close the valve on the boundary of the area, more dead ends are generated at the tail end of the DMA pipe network, and 'dead water' is generated. In the DMA implementation process, the maintenance and the management of the valve can be simultaneously carried out, so that pipe network auxiliary structures such as the valve, the fire hydrant and the like can be actively, scientifically and managed. In the actual operation process, the 'dead water' can be reduced by using methods of regularly discharging water by using fire hydrant, flushing a pipeline and the like. During design, debugging and operation of DMA, quality of water can be analyzed through sampling, and therefore a reference basis is provided for water supply enterprises to effectively manage the quality of water in a pipe network.
The steps of performing DMA partitioning after considering the above factors are as follows: s1, dividing DMA boundaries preliminarily; determining the size of the DMA partition by setting the number of users and the length of a pipeline; s2, counting temporary boundary information; s3, counting boundary flow meter parameters; s4, determining boundary valve information; s5, checking the topology information of the pipe network in the region; s6, the adjustment boundary is investigated in the field to obtain the final DMA boundary.
The invention can effectively monitor, control and manage the leakage of the water supply network by performing DMA partition on the water supply network. DMA partition management is implemented, the water flow direction in DMA can be accurately grasped, the urban water consumption is accurately measured in detail, and water consumption prediction and economic evaluation are facilitated; after the DMA management is carried out on the water supply network, the inlet pressure can be properly adjusted, the pressure management is convenient, the service life of the pipeline and the accessory equipment can be prolonged through scientific pressure management, and the leakage frequency can be reduced; the pipeline leakage or pipe burst can be quickly found according to the minimum night flow change curve monitored by the DMA flowmeter, the leakage point positioning search area is reduced, and the leakage point positioning is assisted; determining the leakage degree of different areas, identifying the maximum possible leakage area, and scientifically determining the key leakage monitoring control area from the aspect of comparing leakage check and leakage control maintenance cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in figure 1, an intelligent water affair DMA leakage analysis system comprises a security module, wherein a user accesses the security module to enter a system interface through a network, the system interface is provided with a function module, and the function module comprises a pipe network model module, a DMA partition module, a leakage analysis module, an abnormity alarm unit and a report unit.
The pipe network model is used for building a water supply pipe network model and comprises a pipe network component database and a pipe network building submodule; the pipe network component database is used for storing parts of the water supply pipe network; and the pipe network building submodule calls parts from the pipe network part database to build a water supply pipe network model.
The DMA partition module is used for partitioning the built water supply network model and comprises a DMA partition generation submodule, a region editing submodule, a partition equipment association configuration submodule and a water meter association configuration submodule.
And the DMA partition generation submodule is used for partitioning the built water supply pipe network to obtain a plurality of DMA partitions and storing the generated DMA partitions in a DMA partition database.
The area editing submodule comprises an editing unit and a storage unit; and the editing unit is used for calling the DMA partition from the DMA partition database, editing the basic information of the DMA partition and storing the edited DMA partition in the DMA partition database.
The partition equipment association configuration submodule comprises a partition equipment database and an equipment association configuration unit; and the partition equipment database is used for storing the equipment in each DMA partition, and when the water supply pipe network is partitioned, the equipment in the DMA partition is automatically stored in the corresponding partition equipment database.
The device association configuration unit is used for calling the partition devices from the partition device database and setting the association between the partition devices.
The water meter association configuration submodule comprises a water meter database and a water meter association configuration unit; the water meter database is used for storing the water meter information of each DMA partition; and the water meter association configuration unit is used for calling water meter information from the water meter database and setting the association between the subarea water meters.
The leakage analysis module is used for analyzing the leakage of the DMA partition module; the system comprises a subarea flow acquisition unit, a subarea flow database, a leakage analysis unit, a DMA leakage database and a production and marketing difference analysis unit.
And the subarea flow acquisition unit acquires the night flow of each DMA subarea through the flow meter of each DMA subarea and stores the night flow in the subarea flow database.
And the leakage analysis unit calls the night flow information of each DMA partition from the partition flow database, analyzes the night flow information to obtain the leakage condition of each DMA partition and stores the leakage condition of each DMA partition in the DMA leakage database.
The production and marketing difference analysis unit effectively counts data such as water supply quantity, water demand quantity, leakage quantity and the like in each subarea through the regular analysis of inflow and outflow and actual sales water quantity in each subarea, and accurately calculates and manages the production and marketing difference rate; the system comprises a DMA partition inflow acquisition unit, a DMA partition inflow database, a DMA partition outflow acquisition unit, a DMA partition outflow database, a DMA partition water selling amount acquisition unit, a DMA partition water selling amount database, an analysis unit and a production and sales difference database.
And the DMA partition inflow acquisition unit acquires the inflow of the DMA partition through the DMA partition flow meter and stores the inflow in the DMA partition inflow database.
And the DMA partition outflow acquisition unit acquires the outflow of the DMA partition through the DMA partition flowmeter and stores the outflow in the DMA partition outflow database.
And the DMA subarea water selling amount acquisition unit acquires the DMA subarea water selling amount and stores the DMA subarea water selling amount in the DMA subarea water selling amount database.
And the analysis unit is used for calling data information from the DMA subarea inflow database, the DMA subarea outflow database and the DMA subarea water selling amount database, analyzing the data information to obtain the production and sales difference of each DMA subarea, and storing the obtained production and sales difference in the production and sales difference database.
And the abnormity alarm unit is used for monitoring the DMA partition module and the leakage analysis module and giving an alarm when abnormity occurs.
And the report unit is used for generating and outputting reports of the DMA partition module and the leakage analysis module.
The steps of performing DMA partition in the present invention are: s1, dividing DMA boundaries preliminarily; determining the size of the DMA partition by setting the number of users and the length of a pipeline; s2, counting temporary boundary information; s3, counting boundary flow meter parameters; s4, determining boundary valve information; s5, checking the topology information of the pipe network in the region; s6, the adjustment boundary is investigated in the field to obtain the final DMA boundary.
While the following factors of partitioning need to be considered before implementing DMA partitioning:
(1) DMA size
The size of the DMA is represented by the number of users in the area, and is the primary factor to be considered in partitioning. If the number of users in the DMA is too large, identifying small leakage in the night flow data monitored by the flow meter is difficult, and positioning of leakage points is also difficult, so that the DMA leakage monitoring efficiency is obviously reduced; on the contrary, the number of users in the DMA is too small, which is not economical.
The determination of the maximum coverage of the DMA is based on an acceptable duration of pipe misses. For example, if it is determined that there is a pipe miss in an area, the maximum range of DMA should be the maximum pipe network range within 1 day to accurately locate the miss point. In this case, loss was found on day 1, loss points were located on day 2, and repairs were performed on day 3, requiring up to 3 days. If the duration of the allowed misses is extended, the DMA range can be increased, but this is at the cost of wasted water due to the misses. The length of the pipeline of the DMA not only influences the exertion of the leakage monitoring function, but also has direct influence on the water pressure and the water quality in the DMA, and the length of the pipeline becomes another parameter index for controlling the size of the DMA. When the water supply network carries out DMA division, two parameters of the number of users and the length of a pipeline are comprehensively considered, and the size of the DMA is controlled by adjusting the two parameters of the DMA.
(2) Maintaining integrity of pipe network
The integrity of the DMA pipe network refers to that water enters from one or more water inlets, the water can be conveyed to each use in the DMA, the actual operability of the DMA is determined, the original pipe network structure needs to be fully respected during planning, and the pipeline reconstruction is reduced.
(3) DMA for driving water supply main line into water pipe
When dividing the DMA, the water supply main line is divided into the water delivery pipe DMA. Therefore, the original annular structure is kept to ensure the water supply safety, and the large main valve can be prevented from being closed, so that the influence on the whole pipe network is reduced.
(4) The situation that the water pipe is provided with branch lines of users
When the branch lines connected from the main trunk line are more and scattered, if the branch lines are divided into the water distribution pipeline DMA, more new pipeline connections are needed in implementation, and the branch lines can be divided into the water conveying pipeline DMA, so that a user can still supply water from the water supply trunk line.
(5) Ensure the water quality in the water transportation and distribution process
Because the DMA partition needs to close the valve on the boundary of the area, more dead ends are generated at the tail end of the DMA pipe network, and 'dead water' is generated. In the DMA implementation process, the maintenance and the management of the valve can be simultaneously carried out, so that pipe network auxiliary structures such as the valve, the fire hydrant and the like can be actively, scientifically and managed. In the actual operation process, the 'dead water' can be reduced by using methods of regularly discharging water by using fire hydrant, flushing a pipeline and the like. During design, debugging and operation of DMA, quality of water can be analyzed through sampling, and therefore a reference basis is provided for water supply enterprises to effectively manage the quality of water in a pipe network.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (7)
1. The utility model provides an wisdom water affairs DMA leakage analysis system which characterized in that: the system comprises a security module, wherein a user accesses the security module to enter a system interface through a network, and the system interface is provided with a functional module which comprises a pipe network model module, a DMA partition module, a leakage analysis module, an abnormity alarm unit and a report unit;
the pipe network model is used for building a water supply pipe network model;
the DMA partition module is used for partitioning the built water supply network model;
the leakage analysis module is used for analyzing the leakage of the DMA partition module;
the abnormality alarm unit is used for monitoring the DMA partition module and the leakage analysis module and giving an alarm when abnormality occurs;
and the report unit is used for generating and outputting reports of the DMA partition module and the leakage analysis module.
2. The intelligent water service DMA leakage analysis system of claim 1, wherein: the pipe network model module comprises a pipe network component database and a pipe network building sub-module; the pipe network component database is used for storing parts of the water supply pipe network; and the pipe network building submodule calls parts from the pipe network part database to build a water supply pipe network model.
3. The intelligent water service DMA leakage analysis system of claim 1, wherein: the DMA partition module comprises a DMA partition generation sub-module, an area editing sub-module, a partition equipment association configuration sub-module and a water meter association configuration sub-module.
4. The intelligent water service DMA leakage analysis system of claim 3, wherein: the DMA partition generation submodule is used for partitioning the built water supply pipe network to obtain a plurality of DMA partitions and storing the generated DMA partitions in a DMA partition database;
the area editing submodule comprises an editing unit and a storage unit; the editing unit is used for calling the DMA partition from the DMA partition database, editing basic information of the DMA partition and storing the edited DMA partition in the DMA partition database;
the partition equipment association configuration submodule comprises a partition equipment database and an equipment association configuration unit; the partition equipment database is used for storing equipment in each DMA partition;
the equipment association configuration unit is used for calling the partition equipment from the partition equipment database and setting the association between the partition equipment;
the water meter association configuration submodule comprises a water meter database and a water meter association configuration unit; the water meter database is used for storing the water meter information of each DMA partition; and the water meter association configuration unit is used for calling water meter information from the water meter database and setting the association between the subarea water meters.
5. The intelligent water service DMA leakage analysis system of claim 1, wherein: the leakage analysis module comprises a subarea flow acquisition unit, a subarea flow database, a leakage analysis unit, a DMA leakage database and a production and marketing difference analysis unit.
6. The intelligent water service DMA leakage analysis system of claim 5, wherein: the subarea flow acquisition unit acquires the night flow of each DMA subarea through the flow meter of each DMA subarea and stores the night flow in the subarea flow database;
the leakage analysis unit calls nighttime flow information of each DMA partition from the partition flow database to analyze to obtain the leakage condition of each DMA partition and stores the leakage condition of each DMA partition in the DMA leakage database;
the production and marketing difference analysis unit comprises a DMA subarea inflow acquisition unit, a DMA subarea inflow database, a DMA subarea outflow acquisition unit, a DMA subarea outflow database, a DMA subarea water selling amount acquisition unit, a DMA subarea water selling amount database, an analysis unit and a production and marketing difference database;
the DMA partition inflow acquisition unit acquires the inflow of the DMA partition through a DMA partition flow meter and stores the inflow in a DMA partition inflow database;
the DMA partition outflow acquisition unit acquires the outflow of the DMA partition through a DMA partition flowmeter and stores the outflow in a DMA partition outflow database;
the DMA subarea water selling amount acquisition unit acquires the DMA subarea water selling amount and stores the DMA subarea water selling amount in the DMA subarea water selling amount database;
and the analysis unit is used for calling data information from the DMA subarea inflow database, the DMA subarea outflow database and the DMA subarea water selling amount database, analyzing the data information to obtain the production and sales difference of each DMA subarea, and storing the obtained production and sales difference in the production and sales difference database.
7. The intelligent water service DMA leakage analysis system of claim 1, wherein: the method for DMA partition comprises the following steps: s1, dividing DMA boundaries preliminarily; determining the size of the DMA partition by setting the number of users and the length of a pipeline; s2, counting temporary boundary information; s3, counting boundary flow meter parameters; s4, determining boundary valve information; s5, checking the topology information of the pipe network in the region; s6, the adjustment boundary is investigated in the field to obtain the final DMA boundary.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283593A (en) * | 2020-09-24 | 2021-01-29 | 山东潍微科技股份有限公司 | Internet of things system for closing valve and detecting leakage of pipe network and leakage detection method thereof |
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| CN112283593A (en) * | 2020-09-24 | 2021-01-29 | 山东潍微科技股份有限公司 | Internet of things system for closing valve and detecting leakage of pipe network and leakage detection method thereof |
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| CN112330491A (en) * | 2020-11-19 | 2021-02-05 | 海天水务集团股份公司 | Water supply and drainage system based on wisdom water utilities |
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| CN112783118A (en) * | 2020-12-30 | 2021-05-11 | 郑州力通水务有限公司 | Digital water affair informatization intelligent management platform |
| CN113379363A (en) * | 2020-12-30 | 2021-09-10 | 郑州力通水务有限公司 | Urban water supply informatization intelligent management platform |
| CN112907034A (en) * | 2021-01-27 | 2021-06-04 | 上海满盛信息技术有限公司 | Partition measurement leakage monitoring management system based on Internet of things and machine learning |
| CN113436032A (en) * | 2021-06-29 | 2021-09-24 | 航天海鹰机电技术研究院有限公司 | Active management and control method and system for water supply leakage |
| CN114234059A (en) * | 2021-11-24 | 2022-03-25 | 岳阳市水务集团有限公司 | Wisdom water affairs thing networking subregion measurement early warning system based on data analysis |
| CN116308965A (en) * | 2023-05-24 | 2023-06-23 | 成都秦川物联网科技股份有限公司 | Intelligent gas underground gas pipe network safety management method, internet of things system and device |
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