KR20080005694A - Integrated remote leakage monitoring system of water networks and its method - Google Patents

Abstract

A system and a method for monitoring remote leakage of water network integrally are provided to detect the leakage and a leakage position precisely by comparing the irrigation data received from a detector installed to the water network with the irrigation data of a normal water pipe. A detector(10) detects the irrigation data including a water pressure and/or a flow rate by being installed to a plurality of water pipes included in the water network. A database(12) stores irrigation information corresponding to the irrigation data of the normal condition of the water pipe in which the detector is installed. A controller(14) determines the leakage when the irrigation data is out of the normal condition by comparing the irrigation data received from the detector with the irrigation information stored in the database. A transmitter(16) transmits the irrigation data detected in the detector to the controller. An output part(18) includes a display part for displaying the leakage and the position of the water pipe causing the leakage, and an alarm issuing an alarm sound. An input part(19) inputs ID information of the water pipe to check the leakage.

Description

Water supply network remote integration leak monitoring system and its method {INTEGRATED REMOTE LEAKAGE MONITORING SYSTEM OF WATER NETWORKS AND ITS METHOD}

1 is a block diagram illustrating a system for remote water leakage monitoring system of waterworks according to the present invention;

2 is a view in which a sensing unit is installed in a water supply pipe network in a jurisdiction,

3 is a flowchart illustrating a remote water leakage monitoring method for a water pipe network according to the first embodiment of the present invention;

4 is a flow chart illustrating a remote water leakage monitoring method for a water pipe network according to a second embodiment of the present invention;

5 is a flowchart illustrating a remote water leakage monitoring method for a water pipe network according to a third embodiment of the present invention;

FIG. 6 is a flowchart illustrating a remote water leakage leak monitoring method according to a fourth embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

10: detector 11: water pipe

12: database 14: control unit

16 transmission unit 18 display unit

19: input unit 21: network computational analysis system

The present invention relates to a remote integrated water leakage monitoring system and method thereof, and more particularly, to detect hydraulic data including one or more of water pressure or flow rate in a sensing unit installed in a plurality of water supply pipes included in a water supply pipe network to leak water in a water supply network. The present invention relates to a remote water leakage monitoring system and a method for identifying a water pipe network.

According to officially reported data (2004), the leakage rate of domestic water supply is 14.2%, 840 million tons of water is leaked underground annually, and the economic loss is about 420 billion won annually. . In addition, as well as economic damage due to frequent leaks, water quality is contaminated through the broken water pipes.

In such a situation, public institutions managing water facilities still use a method of randomly inspecting leaks in the field using conventional leak detection equipment such as a chungumbong.

The conventional leak detection method is a method of randomly exploring a wide area as well as lack of accuracy, there is a problem that the effectiveness is not guaranteed compared to the input manpower and cost.

Accordingly, an object of the present invention is to compare the repair data detected from the detection unit installed in the water supply pipe network with the repair information under normal conditions of the water supply pipe to determine whether or not leaking accuracy and accuracy of the leak occurrence location The present invention provides a remote water leakage monitoring system and a method for securing a water supply network.

In addition, another object of the present invention is to provide a water supply network remote integrated leakage monitoring system and method that can ensure the effectiveness of the manpower and costs introduced by ensuring the accuracy of the leakage and the location of the leak occurs.

The present invention has been made to solve the above technical problem, by comparing the repair data detected from the detection unit installed in the plurality of water pipes included in the water supply pipe network and the repair information in the normal condition of the water supply pipe repair data is a normal condition If out of the water, characterized in that it is determined as a leak.

Hereinafter, all terms not separately defined in the present invention represent the conventional meanings commonly used in the technical field to which the present invention belongs. However, the following terms are defined as follows to clarify the scope of the present invention.

1) 'repair data' used in the present specification means a numerical value such as water pressure or flow rate detected from a sensing unit installed in the water supply pipe to determine whether the water supply pipe is old.

2) 'Repair information' used in the present specification is a numerical value such as water pressure or flow rate under normal conditions for comparison with the repair data, and means information stored or stored in a database after being detected or measured by a detector or a measurer.

In order to achieve the above object, the present invention is installed in a plurality of water pipes included in the water supply pipe network detecting unit for detecting repair data including at least one of water pressure or flow rate; A detection unit installed in a plurality of water pipes included in the imaginary water pipe network under normal conditions of the water pipe having the detection unit installed, and detecting hydraulic data including at least one of water pressure and flow rate; A database storing repair information corresponding to the repair data in a normal condition of a water pipe provided with the detection unit; A controller for comparing the repair data detected by the detection unit with the repair information stored in the database and determining that the repair data is leaked when the repair data is out of the normal condition; And a transmission unit which transmits the repair data detected by the detection unit to the control unit.

Here, the control unit may set the normal condition for each water supply pipe differently for each time zone based on the repair data sensed by the detection unit, and resave it in the database.

Preferably, when the leak is determined by the control unit, it includes a display, such as a monitor, a printer or a plotter to display the location of the water supply pipe determined by the control unit as the leak and the alarm to generate an alarm sound It may include a display unit, and an input unit for inputting the identification information of the predetermined water pipe to check the leakage.

In addition, the display unit may display the determination result including the position information of the water pipe, which is determined as a leak in connection with the Geographic Information System (GIS).

The apparatus may further include a pipe network computation analysis system for predicting repair data of the water supply pipe network in which the detection unit is not installed, based on the repair data of the water supply pipe network in which the detection unit is installed.

The transmitter may include a wireless or wired receiver connected to a control unit, and a wireless or wired transmitter connected to the detector to transmit a result detected by the detector to the wireless or wired receiver.

On the other hand, remote water leakage monitoring method for water supply pipe network according to the present invention for achieving the above object, the step of detecting the hydraulic data including at least one of the water pressure or flow rate of the water supply pipe is installed; Transmitting repair data sensed by the detection unit to a control unit; And comparing the repair data detected by the detection unit with the repair information in the normal condition stored in the database, and determining that the repair data is leaked when the detected repair data is out of the normal condition.

The control unit may further include resetting the normal condition for each water supply pipe for each time zone based on the repair data detected by each detection unit and restoring the database in the database.

Preferably, when the leak is determined by the control unit, indicating whether or not the leakage occurred by the control unit and the location of the water pipes, and the step of inputting the identification information of the predetermined water pipe to check the leakage It may further include.

The method may further include estimating repair data of the water supply pipe network in which the detection unit is not installed, based on the repair data of the water supply pipe network in which the detection unit is installed.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the present invention.

Referring to Figure 1, the water supply network remote integrated leakage monitoring system and method according to the present invention, installed in a plurality of water pipes 11 included in the water supply pipe network detects the hydraulic data including one or more of water pressure or flow rate A sensing unit 10, a database 12 storing repair information corresponding to the repair data under normal conditions of the water pipe 11 in which the sensing unit 10 is installed, and the sensing unit 10 detect the repair unit 10. The repair data stored in the database 12 and the repair information stored in the database 12 to determine the leak when the repair data deviates from the normal condition and the repair data detected by the detection unit 10. And a transmission unit 16 for transmitting to the control unit 14.

Hereinafter, each configuration will be described in detail.

The detection unit 10 is installed in the plurality of water pipes 11 included in the water supply pipe network in the jurisdiction to measure the water pressure and the flow rate, and the repair data regarding the measured water pressure and the flow rate is a control unit for determining whether the water leaks. 14 is sent.

The sensing unit 10 may be provided in various ways, and is preferably provided to install a hydraulic pressure gauge and a flow meter in the water supply pipe 11. Flow meters can be provided in a variety of types, and are provided to measure flow rates through venturi tubes, orifices, nozzles, and the like.

In addition, it is preferably provided to measure the flow rate of the water pipe using an electronic or ultrasonic flow meter.

When the sensing unit 10 is installed in the main portion of the water supply pipe 11, it may be provided in various numbers, in the case of using the pipe network computational analysis system 21, only a part of the water supply pipe 11 10 may be provided to analyze and predict repair data of the water supply pipe 11 in which the sensing unit 10 is not installed by the pipe network computational analysis system 21. (See FIG. 2)

The database 12 is provided to store repair information in the normal condition of the water supply pipe 11 in which the detector 10 is installed, and the repair information in the normal condition is determined by the repair data or the measurer detected by the detector 10. It can be provided as the average value of the repair information actually measured.

In addition, the database 12 may be provided to restore the repair data detected by the detection unit 10, in which case the control unit 14 is normal by different repair data for each time zone detected by the detection unit 10. The average time value of the repair information under the condition is calculated and stored in the database 12 again.

The database 12 may be provided to further include figure information and attribute information about the water pipe 11, and may be configured to store the figure information and attribute information as data based on a geographic information system (GIS). do.

The Geographic Information System (GIS) stores position or attribute information about various phenomena in time and space occurring on the earth in the database 12 through the input unit 19, and retrieves the stored position or attribute information. An information system that provides users with the information they want through management, management, or processing and analysis.

In addition, when using the Geographic Information System (GIS), one-dimensional representation of the repair information stored in the database 12 is possible, and efficient representation of the repair information is possible using spatial analysis and superimposition function. Meanwhile, since the determination result including the attribute information and the position information of the water pipe, which are determined as the leak, is displayed graphically through the display unit, the utilization is visually high.

That is, in case of displaying the water pipe which is judged to be the leak on the monitor, click the leak location with the mouse to display the enlarged or detailed shape of the water pipe where the current leak occurred and the property information and location information of the water pipe. It can also be output to a printer or plotter.

The database 12 is connected to the control unit 14, the repair data detected by the detection unit 10 and transmitted to the control unit 14 may be stored in the database 12 by the control unit 14.

The database 12 may be provided as one mass storage device or may be provided using one or more storage devices.

The controller 14 compares the repair data detected by the detection unit 10 with the repair information in the normal condition, and is provided to determine that the repair data is leaked when the repair data is out of the normal condition.

That is, the controller 14 determines that leakage occurs at one side of the water supply pipe 11 when the actually sensed water pressure or flow rate is greater than the water pressure or flow rate under normal conditions.

In addition, the control unit 14 is provided to receive and repair the repair data of the normal condition detected by the detection unit 10 is set to differently set for each time zone and restored.

That is, since the amount of water used during the day is different for each time zone, repair information under normal conditions can be set differently for each time zone, and the controller 14 stores the average time value of the repair data detected for each time zone by the detector 10. Arithmetic is stored in the database 12 by varying the normal condition of the repair information for each time zone.

The controller 14 compares the repair information of the normal condition according to the time zone and the repair data of the actually detected water pressure or flow rate and determines whether there is a leak in the above manner.

In addition, the control unit 14 is connected to the display unit 18, and when it is determined that the leak is generated to display an alarm sound on the display unit 18 or to output whether the leakage and the location of the leakage to the monitor, printer, plotter.

The control unit 14 is connected to the input unit 19, and when the user inputs the identification information of the water supply pipe 11 in order to determine whether or not the leakage of the water supply pipe 11 and the location of the leak occurs through the display unit 18 It is arranged to be displayed.

The control unit 14 is based on the repair data of the water pipe 11 in which the detector 10 is installed through the pipe network computational system 21 of the water pipe 11 in which the detector 10 is not installed. It may be arranged to predict repair data.

That is, after the detection unit 10 is installed only on a part of the water supply pipe 11 to detect repair data, the repair data of the water supply pipe 11 in which the detection unit 10 is not installed is connected to the computer network analysis system 21. To be interpreted. In this case, the number of the sensing unit 10 installed in the water pipe 11 is reduced, the cost is also reduced.

The transmitter 16 is provided to connect the sensor 10 and the controller 14, and transmits repair data and repair information detected by the sensor 10 to the controller 14.

The transmitter 16 may be connected to the sensor 10 and the controller 14 by wire, and wireless transmission is also possible. In addition, it is provided to include a power supply unit for driving the sensing unit 10 and the transmission unit 16.

That is, the repair data detected by the sensing unit 10 is provided to be transmitted from the sensing unit 10 provided with the wireless or wired transmitter to the controller 14 having the wireless or wired receiver.

The display unit 18 is connected to the control unit 14, and the control unit 14 is provided to generate an alarm sound or to display whether or not the leakage and the location of the leakage occurs by a monitor, a printer, or a plotter.

That is, the controller 14 generates an alarm sound when it is determined that a leak occurs on one side of the water pipe 11, and when the user inputs identification information of the water pipe 11, the monitor, printer, plotter, etc. In the display unit of the leakage and the location of leakage occurs, it is also provided to display the results analyzed by the network computational analysis program in the form of documents, diagrams or drawings.

The input unit 19 is provided to input identification information of the water conduit 11 to check whether there is a leak. That is, when a leak occurs in the water pipe 11 is provided to input the information of the water pipe 11 required to determine the location of the leak.

In addition, when the input unit 19 stores the data of the graphic information and the attribute information of the water pipe 11 constructed based on the geographic information system (GIS) in the database 12, the graphic information and the attribute information. It is arranged to enter data.

The input unit 19 may be provided in various ways. Preferably, the input unit 19 may be provided with a keyboard and a mouse so as to input the information in a graphical user interface (GUI) environment. The graphical user interface (GUI) refers to a work environment in which a user exchanges information with a computer through a graphic.

Pipe network computational analysis system 21 is connected to the control unit 14, the detection unit 10 is based on the repair data of the water supply pipe 11 is installed, the detection unit 10 or the repair information under normal conditions It is provided to predict the repair data of the water pipe 11 not installed or the repair information under normal conditions.

That is, installing the sensing unit 10 in the entire water supply pipe network increases the installation cost and the management cost. To solve this problem, the sensor 10 is installed only in a part of the water supply pipe to repair the repair data or normal conditions. It detects the information, and the repaired repair data or repair information under normal conditions is analyzed by the pipe network computational analysis system 21 to predict repair data of the water supply pipe network without the detection unit 10 or repair information under normal conditions. To be prepared.

The pipe network computational analysis system 21 may be provided with various programs capable of interpreting the repair data or repair information under normal conditions, and preferably, EPANET, which is general-purpose software developed by the US Environmental Protection Agency (USEPA), may be provided. Can be.

First embodiment (see FIG. 3)

Water supply network remote integrated leak monitoring method according to the first embodiment of the present invention compares the repair information of the normal condition stored in the database 12 and the repair data actually detected from the detection unit 10 installed in the water supply pipe network repair data If it is out of the normal condition of the repair information, characterized in that the leak is determined.

First, the user stores the repair information in the normal condition of the water pipe 11 in the database 12. In this case, the repair information in the normal condition may store the data by measuring the water pressure or the hydraulic pressure using an actual measuring instrument, and store the repair information in the normal condition detected by the detection unit 10. It may be.

Next, whether or not to utilize the repair information in the normal condition stored in the database 12 in advance, of the normal condition detected by the detection unit 10 and set differently for each time zone by the control unit 14 and re-stored in the database 12 Determine whether to use the repair information. (S12)

Next, the repair data detected by the detection unit 10 is transmitted to the control unit 14. (S13, S14)

Next, in the case of utilizing the repair information of the normal condition stored in the database in advance, the control unit 14 in the detection unit 10 installed in the water supply pipe 11 and the repair information of the normal condition stored in the database 12 The repair data detected and transmitted to the control unit 14 are compared, and it is determined whether the detected repair data are out of the normal condition. (S15)

At this time, if the detected repair data is within the normal condition range, monitoring is continuously performed to determine whether there is a leak. (S16) If the repair data is determined to be out of the normal condition, an alarm is generated and the user When the identification information is input through the input unit 19, a leak position is displayed by a monitor, a printer, a plotter, or the like.

Second embodiment (see FIG. 4)

The second embodiment differs from the method of constructing repair information under normal conditions compared with the first embodiment.

That is, in the first embodiment, the repair information under normal conditions is used as an average regardless of the time zone. In the second embodiment, the detection unit 10 detects the repair information for each time zone, and then the control unit 14 determines the time. The average value for each unit is calculated, and the calculated time-based average value is stored in the database 12 and then compared with the repair data detected by the detection unit 10 installed in the water pipe 11.

First, whether or not to utilize the repair information in the normal condition stored in the database 12 in advance, of the normal condition detected by the detection unit 10 and set differently for each time zone by the control unit 14 and re-stored in the database 12 The step of determining whether to utilize the repair information is the same as in the first embodiment. (S12)

Next, in the case of utilizing the repair information of the normal condition set differently for each time zone, in order to build the repair information of the normal condition different for each time zone, the detector 10 detects the repair data for each time zone and transmits it to the controller 14. do. (S21, S22)

Next, the control unit 14 receives repair data detected by the detection unit 10 to reset repair information of different normal conditions for each time zone, and re-stores the reset result in the database 12. (S23, S24)

Hereinafter, the same steps as in the first embodiment are carried out. (S13-S17)

Third embodiment (see FIG. 5)

The third embodiment is different from the first embodiment in that the repair data detected by the sensing unit 10 is interpreted and predicted by the network computational analysis system 21.

That is, in the first embodiment, the sensing unit 10 is installed in the plurality of water conduits 11 included in the water supply network to detect repair data from all the sensing units 10 and transmit the repair data to the control unit 14. In the case of the third embodiment, the sensing unit 10 is installed in a part of the water conduit 11, and the sensing unit 10 is installed based on some repair data sensed by the sensing unit 10 and transmitted to the control unit 14. 10) is characterized in that to analyze and predict the hydraulic data of the water supply pipe 11 is not installed.

First, storing repair information in a normal condition in the database 12, (S31) determining whether to use the stored repair information, (S32) by detecting the repair data in the detection unit 10 The step of transmitting to the control unit 14 is the same as that of the first embodiment (S33, S34).

Next, the control unit 14 analyzes the repair data sensed by the sensing unit 10 and transmitted to the control unit 14 using the pipe network computational analysis system 21 to install the water supply pipe in which the sensing unit 10 is not installed. Predict the repair data in (11). (S35)

Next, it is determined whether or not the water leakage by comparing the repair information under the normal condition and the repair data analyzed and predicted by the network analysis system 21. (S36)

Hereinafter, the same steps as in the first embodiment are carried out. (S37, S38)

Fourth embodiment (see FIG. 6)

The fourth embodiment differs from the method of constructing repair information under normal conditions when compared with the third embodiment.

That is, in the third embodiment, the repair information under normal conditions is used as the average value regardless of the time zone. In the fourth embodiment, the detection unit 10 detects the repair data for each time zone and transmits the repair data to the controller 14. In addition, the control unit 14 predicts the repair data of the water pipe 11 in which the sensing unit 10 is not installed by using the pipe network computational analysis system 21.

The control unit 14 calculates an average value for each time slot through the predicted repair data, and stores the average value for each time zone in the database 12, and stores the hydraulic information and the water supply pipe 11 under normal conditions different for each time zone. It is characterized in that it is detected by the sensing unit 10 installed and compared with the repair data analyzed and predicted by the pipe network computational analysis system 21.

First, whether or not to utilize the repair information in the normal condition stored in the database 12 in advance, of the normal condition detected by the detection unit 10 and set differently for each time zone by the control unit 14 and re-stored in the database 12 The step of determining whether to utilize the repair information is the same as in the third embodiment. (S32)

Next, in the case of utilizing the repair information of the normal condition set differently for each time zone, the sensor 10 detects the repair data for each time zone and transmits the repair data to the control unit 14 in order to build repair information of the other normal condition for each time zone. . (S41, S42)

Next, the control unit 14 predicts the repair data of the water pipe 11 in which the sensing unit 10 is not installed by using the pipe network computational analysis system 21 connected to the control unit 14 (S43). Reset the normal condition of the data differently for each time zone. (S44)

Next, the reset repair information is stored in the database 12 again. (S45)

Hereinafter, the same steps as in the process of the third embodiment are performed. (S33-S38)

As described above, the water supply network remote integrated leakage monitoring system and method according to the present invention compares the repair data detected from the detection unit installed in the water supply pipe network with the repair information in the normal conditions of the water supply pipe to determine whether the leak It is possible to accurately check the information on the leakage occurrence location and location of the leakage in the water supply pipe network in real time remotely.

In addition, it is possible to secure the accuracy of whether or not the leakage occurs and the location of the leak occurs, the effectiveness of the manpower and cost input.

In addition, it is possible to prevent leakage accidents by quickly grasping the leakage occurrence location and taking appropriate measures.

Claims (10)

A detection unit installed in a plurality of water pipes included in the water supply pipe network to detect repair data including one or more of water pressure or flow rate; A database storing repair information corresponding to the repair data in a normal condition of a water pipe provided with the detection unit; A controller for comparing the repair data detected by the detection unit with the repair information stored in the database and determining that the repair data is leaked when the repair data is out of the normal condition; Water supply pipe network remote leakage monitoring system comprising a; transmission unit for transmitting the repair data detected by the detection unit to the control unit. The method of claim 1, The control unit remote water leakage monitoring system, characterized in that for resetting the normal conditions for each water supply pipe for each time zone based on the repair data detected by the detection unit for each time zone and re-save. The method according to claim 1 or 2, The display unit includes a display unit such as a monitor, a printer or a plotter, or an alarm unit for generating an alarm sound when the leak is determined by the controller to indicate whether or not the leak occurs and the position of the water pipe which is determined as the leak. And, an input unit for inputting identification information of a predetermined water pipe to check whether there is a leakage of water. The method of claim 3, wherein And the display unit displays a determination result including location information of a water pipe which is determined to be leaky in association with a geographic information system (GIS). The method according to claim 1 or 2, And a pipe network computation analysis system for predicting repair data of a water supply pipe network in which the detection unit is not installed, based on the repair data of the water supply pipe network in which the detection unit is installed. The method according to claim 1 or 2, The transmitter includes a wireless or wired receiver connected to a control unit, and a wireless or wired transmitter connected to the detector and transmitting a result detected by the detector to the wireless or wired receiver. system. Detecting repair data including at least one of water pressure or flow rate of the water pipe provided with the detection unit; Transmitting repair data sensed by the detection unit to a control unit; And comparing the repair data detected by the detection unit with repair information in a normal condition stored in a database, and determining the leak when the detected repair data deviates from the normal condition. The method of claim 7, wherein The control unit further comprises the step of resetting the normal condition for each water supply pipe for each time zone based on the repair data detected by the detection unit for each time zone and re-save in the database. The method according to claim 7 or 8, When the leak is determined by the control unit, indicating whether or not the leak occurred by the control unit and the location of the water supply pipe is determined, and further comprising the step of inputting the identification information of the predetermined water pipe to check whether the leak Water supply network remote integration leakage monitoring method characterized in that. The method according to claim 7 or 8, And predicting the repair data of the water supply pipe network in which the detection unit is not installed, based on the repair data of the water supply pipe network in which the sensing unit is installed.

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