WO2007114370A1 - 配水情報管理装置 - Google Patents
配水情報管理装置 Download PDFInfo
- Publication number
- WO2007114370A1 WO2007114370A1 PCT/JP2007/057203 JP2007057203W WO2007114370A1 WO 2007114370 A1 WO2007114370 A1 WO 2007114370A1 JP 2007057203 W JP2007057203 W JP 2007057203W WO 2007114370 A1 WO2007114370 A1 WO 2007114370A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure
- data
- flow rate
- water
- flow
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000012937 correction Methods 0.000 claims abstract description 12
- 238000013480 data collection Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 22
- 238000004364 calculation method Methods 0.000 claims description 10
- 239000008213 purified water Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000002354 daily effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003012 network analysis Methods 0.000 description 1
- 238000013450 outlier detection Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/02—Public or like main pipe systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/075—Arrangement of devices for control of pressure or flow rate
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
Definitions
- the present invention takes in the flow rate of purified water flowing into a distribution pipeline network from one distribution reservoir and pressure data at one appropriate location in the distribution pipeline network, and analyzes the pipeline information. It relates to a water distribution information management device that displays the result on the display device in an easy-to-understand expression format for the relationship between water volume and pressure.
- the collected data is used according to the upper and lower thresholds of pressure and flow rate. It is generally used to create outlier detection and daily / monthly reports.
- the conventional water distribution monitoring system collects data according to the time, and does not analyze the collected measurement data and use it for the maintenance management of the water distribution pipeline network. [0007] Therefore, it is difficult to grasp the state of the water distribution pipe network that changes in units of seconds, and it is difficult to grasp water leakage due to aging of the water distribution pipe network.
- An object of the present invention is to analyze flow rate and pressure data collected from a distribution pipeline network based on the Hazen Williams approximation formula based on flow rate and pressure data collected in units of seconds. It is therefore an object of the present invention to provide a water distribution information management device capable of easily and easily managing water distribution information appropriately by grasping the result on a display device and processing and displaying it in an expression format.
- the water distribution information management device includes a flow meter that measures the inflow of purified water flowing into the water distribution pipe network from the water reservoir, and the pressure at one of the appropriate pipes in the water distribution network.
- Data collection means that captures flow rate data and pressure data transmitted from a single pressure gauge at regular intervals, and one day's flow rate data and pressure data collected by this data collection means The calculation is based on the approximate formula of Izen-Williams shown in the following formula, and using the least squares method, the daily total pipe length extension and the flow rate correction factor are obtained as parameters to the pipe state grasping database.
- H Loss head
- L Virtual pipe total length (m)
- Q Flow meter reading
- C Current meter loss
- the flow rate data and pressure data collected by the data collection means at a constant cycle are taken in and stored in the pipeline condition grasping database !, and the pressure value based on the Hezen Williams approximation using the parameters
- An on-line pressure detecting means for calculating the pressure and a data display device for displaying the correlation between the pressure value by the approximate expression detected by the on-line pressure detecting means and the flow rate data and pressure data collected by the data collecting means.
- this display device shows the correlation between the flow rate (Q) and the head (H) of the pressure value by the approximate expression input from the online pressure detector and the measured flow rate data and pressure data.
- QH curve mode processing unit that expresses and processes as a QH curve in relation, and a display unit that displays the correlation between the inflow and head in the distribution pipe network processed by this QH curve mode processing unit as a QH curve graph It is set as the structure provided with.
- FIG. 1 is a schematic diagram showing a target process to which a water distribution information management device according to the present invention is applied.
- FIG. 2 is a block diagram showing a first embodiment of a water distribution information management device according to the present invention.
- FIG. 3 is a schematic diagram for explaining the flow loss when the pipe network is represented by one pipe line.
- FIG. 4 is a graph showing, in an enlarged manner, the correlation between the inflow amount in a certain time zone and the head of the water distribution block processed by the trend mode processing unit of the data display device in the same embodiment.
- FIG. 5 is a graph showing the correlation between the flow rate in a certain time zone and the head of the water distribution block processed by the QH curve mode processing unit of the data display device in the same embodiment as a QH curve.
- FIG. 1 is a schematic diagram showing a target process to which a water distribution information monitoring apparatus according to the present invention is applied.
- the target is a process in which purified water is supplied from one distribution reservoir 1 to a distribution pipe network (hereinafter referred to as a distribution block) 2.
- a distribution pipe network hereinafter referred to as a distribution block 2.
- One flow meter 4 for measuring the inflow of purified water is attached to the clean water injection pipe 3 of the water pipe, and a pipe for measuring the distribution pressure in the distribution block 2 is installed in a pipe at an appropriate position in the distribution block 2.
- Two pressure gauges 5 are installed. The data measured by the flow meter 4 and the pressure gauge 5 is transmitted to the water distribution information management device 10.
- FIG. 2 is a block diagram showing a first embodiment of a water distribution information management device according to the present invention.
- 21 is one flow meter 4 attached to the purified water injection pipe 3 near the inlet of the water distribution block 2 shown in FIG. 1 and one flow pipe attached to an appropriate position in the water distribution block 2.
- a data collection unit that captures the flow rate data and pressure data measured by the pressure gauge 5 at a constant cycle, for example, 0.85 second cycle, and 22 is used to calculate the flow rate data and pressure data collected by the data collection unit 21.
- This is a data converter that converts data into the required period, for example, 5 seconds.
- 23 takes in the flow rate data and pressure data converted by the data conversion unit 22, stores the data for one day in a memory (not shown), and stores the flow rate data for one day stored in this memory and This is a one-day time delay correction calculator that selects and corrects the time error with the strongest correlation in the pressure data.
- This one-day time delay correction calculation unit 23 corrects these time errors because there is a time error in the measurement data sent from the flow meter 4 and the pressure gauge 5, respectively.
- 24 is a one-day time delay correction calculation unit 23, which sequentially captures the flow data and pressure data for one day with a 5-second cycle, and will be described in detail later.
- Approximate expression calculation unit that calculates the virtual pipe total length L and the flow rate correction coefficient a every day using the least square method as parameters, and 25 is a parameter calculated by the approximate expression calculation unit 24. It is a pipe line state grasp database part to store.
- 26 is the pressure based on the Hezen Williams approximate expression using the parameters stored in the pipeline state grasping database 25 by fetching the flow rate data and pressure data from the data conversion unit 22 at a cycle of 5 seconds. It is an on-line pressure detector that calculates a value.
- 27 is a data display device that displays the correlation between the pressure value based on the approximate expression detected by the online pressure detector 26 and the flow rate data and pressure data of the 5-second period converted by the data converter 22. It is.
- This display device 27 represents the correlation between the pressure value based on the approximate expression input from the online pressure value detection unit 26 and the actually measured flow rate data and pressure data input from the data conversion unit 22 in a trend graph.
- Trend mode processing unit 27a QH curve mode processing unit 27b that expresses as a QH curve based on the relationship between flow rate (Q) and head (H) based on the pressure value of the approximate expression, measured flow rate data, and pressure data
- a switching means 27d for selecting any one of the trend mode processing unit 27a and the QH curve mode processing unit 27b and outputting it to the display unit 27c.
- the one-day time delay correction calculation unit 23 stores the flow data and pressure data for one day input from the data conversion unit 22 in a memory (not shown), and the flow data and pressure for one day. Select and correct the time error that is most correlated with the data.
- Pipe diameter (in this case, the inlet pipe diameter is set to 500 [mm])
- the ⁇ -Zen Williams formula is a force that is used to calculate the head loss of a single pipe.
- the loss head may increase even at the same flow rate, and the coefficient 0C for increasing the apparent flow rate is approximated by a newly established equation. .
- the total daily virtual pipe length L obtained in this way is stored in the pipe state grasping database 25 using R obtained from the above equation and the flow rate correction coefficient a as parameters.
- the display device 27 displays the correlation between the pressure value based on the approximate expression detected by the online pressure detection unit 26 of the water distribution block 2 and the actually measured flow rate and pressure output from the data conversion unit 22. The method is described.
- the parameters R a, for example, one day before stored in the pipeline state grasping database 25 are stored.
- the measured flow rate data is given to the approximate equation of ⁇ Izen-Williams to calculate the pressure value, and the pressure value based on this approximate equation and the measured flow rate and pressure value output from the data converter 22 are used as a data display device. Given to 27.
- the trend mode processing unit 27a sets the vertical axis as the head and the flow rate scale as shown in FIG. With the horizontal axis as the time scale, the pressure value by the approximate expression and the measured flow value and pressure value are trended and graphed, and in the QH curve mode processing unit 27b, the vertical axis is the head (H) as shown in Fig. 5.
- the scale is plotted, the horizontal axis is the flow rate (Q) scale, the pressure value according to the approximate expression is plotted, a QH curve is drawn, and the pressure value corresponding to the actual flow rate value is plotted against this QH curve.
- FIG. 4 shows a certain time zone (13:00 to 13: of the trend graph of the daily flow rate and the water head in the distribution block 2 processed by the trend mode processing unit 27a of the data display device 27.
- the correlation between the inflow of 30) and the water head is enlarged and displayed on the display unit 27d.
- Fig. 5 shows the same conditions as in Fig. 4 as the QH curve graph showing the correlation between the daily flow and water head in the distribution block 2 processed by the QH curve mode processing unit 27b of the data display device 27. Is displayed on the display 27d.
- the distribution management data of the distribution block processed by the trend mode processing unit 27a or the QH curve mode processing unit 27b of the data display device 27 is switched between the trend graph or the QH curve. Since it is selected by 27d and displayed on the display unit 27c, it is possible to grasp the typical relationship between the water amount and pressure of the water distribution block.
- the display by the QH curve can appropriately and easily manage water distribution information for which the relationship between the water amount and pressure of the water distribution block can be easily grasped.
- the pipe line information that changes in units of seconds based on the flow rate and pressure data collected from the water pipe network is analyzed based on the Hezen Williams approximate expression.
- it is easy to grasp the result on the display device! By processing and displaying the result in an expression format, the water distribution information can be managed appropriately and easily.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Public Health (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Flow Control (AREA)
- Pipeline Systems (AREA)
- Measuring Fluid Pressure (AREA)
- Measuring Volume Flow (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2007232830A AU2007232830B2 (en) | 2006-03-31 | 2007-03-30 | Water distribution information management device |
CN2007800114602A CN101410575B (zh) | 2006-03-31 | 2007-03-30 | 配水信息管理装置 |
EP07740639.5A EP2003253A4 (en) | 2006-03-31 | 2007-03-30 | WATER DISTRIBUTION INFORMATION MANAGEMENT DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-099571 | 2006-03-31 | ||
JP2006099571A JP5019197B2 (ja) | 2006-03-31 | 2006-03-31 | 配水情報管理装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007114370A1 true WO2007114370A1 (ja) | 2007-10-11 |
Family
ID=38563638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/057203 WO2007114370A1 (ja) | 2006-03-31 | 2007-03-30 | 配水情報管理装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2003253A4 (ja) |
JP (1) | JP5019197B2 (ja) |
CN (1) | CN101410575B (ja) |
AU (1) | AU2007232830B2 (ja) |
WO (1) | WO2007114370A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4612696B2 (ja) * | 2008-02-13 | 2011-01-12 | 株式会社東芝 | 配水管路の漏水診断装置及び漏水診断方法 |
JP4612695B2 (ja) * | 2008-02-13 | 2011-01-12 | 株式会社東芝 | 配水情報解析装置 |
CN102032200A (zh) * | 2011-01-10 | 2011-04-27 | 靳波 | 给排水离心泵节电设计法 |
JP5932466B2 (ja) * | 2012-04-27 | 2016-06-08 | 株式会社日立製作所 | 配水運用制御装置 |
JP6139700B2 (ja) | 2013-12-02 | 2017-05-31 | 株式会社東芝 | 漏水抑制装置、漏水抑制システム、および漏水抑制プログラム |
JP6686893B2 (ja) * | 2014-10-29 | 2020-04-22 | 日本電気株式会社 | 水道管理システム、水道管理装置、水道管理方法、および水道管理プログラム |
EP3327206B1 (en) * | 2016-11-25 | 2020-03-25 | Tata Consultancy Services Limited | Ranking pipes for maintenance in pipe networks using approximate hydraulic metrics |
KR101751385B1 (ko) * | 2017-03-30 | 2017-06-28 | 중앙 아이.엔.티. 주식회사 | 배수지권역 상수관망의 중블록 유출량을 이용한 소블록 mnf 측정오차 보정방법 |
CN113958991A (zh) * | 2021-09-29 | 2022-01-21 | 西安沣东华能热力有限公司 | 一种分布式变频水泵控制方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2557822B2 (ja) * | 1984-10-15 | 1996-11-27 | 三菱電機株式会社 | 配水管網異常発生位置推定装置 |
JP2004205477A (ja) * | 2002-11-08 | 2004-07-22 | Enegene Kk | 流体搬送管網中の異常箇所を推定する方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2794949B2 (ja) * | 1990-12-28 | 1998-09-10 | 株式会社明電舎 | 配水管網計算装置 |
CN1021983C (zh) * | 1991-04-05 | 1993-09-01 | 徐钲 | 自动稳压给水系统 |
JP3263303B2 (ja) * | 1996-03-22 | 2002-03-04 | 株式会社クボタ | ネットワークの機能管理方法 |
JP2003513237A (ja) * | 1999-10-26 | 2003-04-08 | マルティネック・ペーター | 給水系内で測定を行う方法と測定ヘッド |
JP4365598B2 (ja) * | 2003-02-19 | 2009-11-18 | 株式会社東芝 | 広域プラントの最適運用制御装置 |
JP4799168B2 (ja) * | 2005-12-21 | 2011-10-26 | 株式会社東芝 | 配水及び管路情報解析システム |
-
2006
- 2006-03-31 JP JP2006099571A patent/JP5019197B2/ja active Active
-
2007
- 2007-03-30 AU AU2007232830A patent/AU2007232830B2/en active Active
- 2007-03-30 EP EP07740639.5A patent/EP2003253A4/en not_active Withdrawn
- 2007-03-30 WO PCT/JP2007/057203 patent/WO2007114370A1/ja active Application Filing
- 2007-03-30 CN CN2007800114602A patent/CN101410575B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2557822B2 (ja) * | 1984-10-15 | 1996-11-27 | 三菱電機株式会社 | 配水管網異常発生位置推定装置 |
JP2004205477A (ja) * | 2002-11-08 | 2004-07-22 | Enegene Kk | 流体搬送管網中の異常箇所を推定する方法 |
Non-Patent Citations (3)
Title |
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FUKUMOTO T.: "Mizu Juyo Tokusei o Doteki ni Koryo shita Kanmo Kaiseki Hoho", THE TRANSACTIONS OF THE INSTITUTE OF ELECTRICAL ENGINEERS OF JAPAN, vol. 118-C, no. 7/8, 1998, pages 1183 - 1189, XP003018052 * |
IMAI K.: "Haisui Control o Shien suru Kanmo Kaiseki System", MEIDEN JIHO, MEIDENSHA CORP., no. 5, 2001, pages 30 - 34, XP003018053 * |
See also references of EP2003253A4 * |
Also Published As
Publication number | Publication date |
---|---|
AU2007232830B2 (en) | 2010-09-09 |
EP2003253A2 (en) | 2008-12-17 |
AU2007232830A1 (en) | 2007-10-11 |
CN101410575A (zh) | 2009-04-15 |
EP2003253A4 (en) | 2015-02-25 |
JP2007270562A (ja) | 2007-10-18 |
CN101410575B (zh) | 2011-01-05 |
EP2003253A9 (en) | 2009-05-06 |
JP5019197B2 (ja) | 2012-09-05 |
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