KR102485941B1 - Forecast alarm system for inundating with water - Google Patents

Abstract

A flood warning system is provided. The flood forecasting and warning system is a water level measurement sensor that measures the water level of each region and outputs water level information, a rainfall measurement sensor that measures the amount of rainfall in each region and outputs rainfall information, and rainfall derived based on water level information and rainfall information. It includes a flood forecasting and warning device that predicts the amount of water level change in the pipeline with a pattern, determines the flood risk for each area at the present and future time, and notifies the flood forecast or warning accordingly.

Description

Flooding warning system and method {Forecast alarm system for inundating with water}

The present invention relates to a flood forecasting and warning system, and in particular, from the result of determining flood damage in a specific area according to the water level change predicted from water level information at multiple points in the pipeline and local weather information, even without considering the complicated hydrological characteristics of the pipeline It relates to a flood forecasting and warning system and method capable of notifying a flood forecast or warning to a large number of people in a specific area.

Recently, due to global climate change, the frequency of local sudden or concentrated rainfall is increasing, and as a result, the scale of damage due to flooding accidents in urban areas is increasing.

Flood damage in urban areas is mainly caused by various causes such as lowlands, poor conduits, and flooding.

In order to prevent urban flooding damage caused by such rainwater, various measures are being taken, such as sewage pipe improvement, drainage pump expansion, and pipe soil removal, but these are only long-term measures. Not appropriate.

Recently, a method to prevent flooding damage caused by rainwater by predicting flooding using regional meteorological information, that is, rainfall information, has emerged. However, this flood prediction method is used only in areas where actual rainfall occurs, and it is impossible to predict flooding due to rainwater flowing through sewer pipes or rainwater pipes in adjacent areas.

In other words, an area adjacent to a rainfall occurrence area may be flooded due to rainwater flowing from the rainfall occurrence area through a sewage pipe or rainwater pipe, but flood prediction methods using existing meteorological information Predicting flood damage is a very difficult reality.

The present invention predicts flooding to a number of people in a specific area from the result of determining the flood damage in a specific area according to the water level change predicted from the water level information at multiple points in the pipeline and the local weather information, even without considering the complicated hydrological characteristics of the pipeline. Or it is to provide a flood forecasting and warning system and method capable of notifying an alarm.

A flood forecasting and warning system according to an embodiment of the present invention includes a plurality of water level measurement sensors installed inside a plurality of manholes and pipelines in each region to measure the water level of the pipeline and output water level information; A plurality of rainfall measurement sensors installed at least one in each region to measure rainfall by region and output rainfall information; And based on the water level information and rainfall information, a rainfall pattern for each region is derived, and the water level change of each region is predicted according to the rainfall pattern to determine the risk of flooding in each region at the present and future time, and the risk of flooding is determined. It includes a flood forecasting and warning system that notifies flood forecasts or warnings in the affected area.

A flood forecasting and warning method according to an embodiment of the present invention includes mapping water level information of pipelines for each region transmitted from a plurality of water level measuring sensors in each region to a regional map; deriving a first rainfall pattern for each region based on rainfall information transmitted from each of a plurality of rainfall measurement sensors in each region, and deriving a second rainfall pattern for each region from the weather information transmitted from a weather information server; predicting a change in water level of a pipeline at a present time and a future time in each region based on the water level information, the first rainfall pattern and the second rainfall pattern; and determining a risk of flooding in a specific area from the predicted change in water level of the pipeline, and notifying a flood forecast or warning in the specific area according to the determination result.

The present invention predicts the amount of water level change in the pipeline based on the rainfall pattern analyzed from the water level information measured inside the pipe in each region and the meteorological information in each region, and determines the risk of flooding in each region according to the predicted change in water level to predict flooding. Or it can notify flood alerts.

In addition, the present invention predicts the pipe water level change at a future point in the area adjacent to the specific area from the current point in time of the change in the level of the pipe level in the specific area in consideration of the arrival time of rainwater through the conduit formed by extending to the outflow area through a plurality of areas. can

Therefore, the present invention determines the risk of flooding at the present time in a specific area from the change in the water level of the pipeline predicted from the water level information and rainfall pattern for the specific area, and considers the arrival time of rainwater from the specific area to the outflow area in the specific area By determining the risk of flooding at a future point in time in an area adjacent to the area, it is possible to increase the accuracy of a flood forecast or warning by determining the risk of flooding in real time for multiple areas.

1 is a diagram showing a flood forecasting and warning system according to an embodiment of the present invention.
2 is a diagram showing a flood forecasting and warning method according to an embodiment of the present invention.
3 is a diagram showing an embodiment of the flood forecasting and warning method of the present invention.

Terms used in this specification and claims are general terms in consideration of functions in various embodiments of the present invention. However, these terms may vary depending on the intention of a technician working in the field, legal or technical interpretation, and the emergence of new technologies. Also, some terms may be terms arbitrarily selected by the applicant. These terms may be interpreted as the meanings defined in this specification, and if there is no specific term definition, they may be interpreted based on the overall content of this specification and common technical knowledge in the art.

In addition, the same reference numerals or numerals in each drawing attached to this specification indicate parts or components that perform substantially the same function. For convenience of explanation and understanding, the same reference numerals or symbols will be used in different embodiments. That is, even if all components having the same reference numerals are shown in a plurality of drawings, the plurality of drawings do not mean one embodiment.

Also, in the present specification and claims, terms including ordinal numbers such as 'first' and 'second' may be used to distinguish between elements. These ordinal numbers are used to distinguish the same or similar components from each other, and the meaning of the term should not be limitedly interpreted due to the use of these ordinal numbers. For example, elements combined with such ordinal numbers should not be construed as limiting the use order or arrangement order by the number. If necessary, each ordinal number may be used interchangeably.

In this specification, singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, terms such as 'comprise' or 'comprise' are intended to designate that there is a characteristic, number, step, operation, component, part, or combination thereof described in the specification, but one or more other It should be understood that it does not preclude the possibility of the presence or addition of features, numbers, steps, operations, components, parts, or combinations thereof.

Also, in an embodiment of the present invention, when a part is said to be connected to another part, this includes not only a direct connection but also an indirect connection through another medium. In addition, the meaning that a certain part includes a certain component means that it may further include other components rather than excluding other components unless otherwise specified.

1 is a diagram showing a flood forecasting and warning system according to an embodiment of the present invention.

Referring to FIG. 1, the flood forecasting and warning system 10 according to the present embodiment includes a water level measurement sensor 110, a rainfall measurement sensor 120, a flood forecasting and warning device 200, a weather information server 300, and a user terminal. 400 may be configured to be connected to each other through a wired/wireless network.

One or more water level measuring sensors 110 may be disposed in each of a plurality of regions. The water level measuring sensor 110 may measure the water level inside a pipe in each region, for example, a sewage pipe or a rainwater pipe. The water level measuring sensor 110 may be installed in each of a plurality of manholes disposed inside the pipe or along the pipe, and may measure the water level by irradiating light, laser, or ultrasonic waves into the pipe or the manhole.

The water level measuring sensor 110 may generate water level data according to the measurement result as water level information and transmit it to the flooding forecasting/warning device 200 . At this time, the water level measuring sensor 110 may generate water level information including the sensor ID and location coordinates of the installed area.

In addition, the water level measurement sensor 110 may measure the water level based on a set measurement period according to the operation control of the submersion prediction/warning device 200 and transmit water level information based on a set communication period.

On the other hand, the water level measuring sensor 110 may malfunction due to environmental conditions of its installation location, that is, moisture or dust inside a pipe or manhole. Therefore, the water level measuring sensor 110 of this embodiment may be coated with a waterproof and dustproof material such as PCB or epoxy on its outer circumferential surface. The water level measuring sensor 110 may be operated with a battery or the like, or may be operated with constant power applied through an external transmission line like the existing water level measuring sensor.

At least one rainfall measurement sensor 120 is disposed in each of a plurality of regions, and may measure the amount of rainfall in each region. The rainfall measurement sensor 120 may transmit rainfall information including a sensor ID, installed location coordinates, and rainfall data according to measurement to the flood forecasting/warning device 200 .

The rainfall measurement sensor 120 may measure rainfall based on a set measurement period according to the operation control of the inundation forecasting and warning device 200 and transmit rainfall information based on a set communication period.

The inundation forecasting and warning device 200 predicts a change in the water level of a pipeline in each of a plurality of regions based on information transmitted from a water level measuring sensor 110, a rainfall measuring sensor 120, or a server 300 to be described later, Depending on the prediction result, the risk of flooding in a specific area can be determined and a flood forecast or warning can be notified in the area.

The flooding prediction and warning device 200 includes a sensor operation control unit 210, a water level information mapping unit 220, a rainfall pattern analysis unit 230, a water level change prediction unit 240, a flood risk determination unit 250, and a database 260. ) may be included.

The sensor operation control unit 210 may control the operation of the water level measurement sensor 110 and the rainfall measurement sensor 120 . The sensor operation control unit 210 may control the water level measurement sensor 110 and the rainfall measurement sensor 120 to measure the water level and the amount of rainfall, respectively, according to the set measurement period. In addition, the sensor operation control unit 210 may control the water level measurement sensor 110 and the rainfall measurement sensor 120 to transmit measurement results, that is, water level information and rainfall information, respectively, according to a set communication period.

Here, the measurement period and the communication period may be set to different values depending on weather conditions in the area where the water level measurement sensor 110 or the rainfall measurement sensor 120 is installed. For example, when the area where the water level measurement sensor 110 or the rainfall measurement sensor 120 is installed is in a rainy state, the measurement period may be set to approximately 1 minute, and the communication period may be set to 5 to 10 minutes. In addition, when the area where the water level measurement sensor 110 or the rainfall measurement sensor 120 is installed is in a non-rainy state, the measurement period may be set to approximately 60 minutes and the communication period may be set to approximately 6 hours.

In addition, the sensor operation control unit 210 may detect at least one of the plurality of water level measuring sensors 110 or the plurality of rainfall measuring sensors 120 that has not transmitted information according to a set communication period. In addition, the sensor operation control unit 210 may notify a government office or manager in a region where the detected water level measurement sensor 110 or rainfall measurement sensor 120 is located so that the corresponding sensor can be replaced.

The water level information mapping unit 220 may map water level information transmitted from each of the plurality of water level measuring sensors 110 to a regional map provided from the database 260 .

As shown in FIG. 3, on the regional map, a plurality of regions (A, B, C) adjacent to each other, and a plurality of manholes (A-1 to A-3, B-1 to B-3, C-1 to C-3), the conduit (P1, P2), and the end area of the conduit (P1, P2), that is, the outflow area (D) of rainwater, are displayed. there is.

The water level information mapping unit 220 may map the water level information to a manhole or pipe in which the corresponding sensor is installed based on the sensor ID and location coordinates included in the water level information transmitted from each of the plurality of water level measuring sensors 110. .

The water level information mapping unit 220 may update previously mapped water level information with water level information transmitted by each of the plurality of water level measuring sensors 110 at set communication intervals.

The rainfall pattern analysis unit 230 may analyze rainfall information provided from each of the plurality of rainfall measurement sensors 120 or weather prediction information provided from the weather information server 300 to output a rainfall pattern for each region at each time.

The rainfall pattern analyzer 230 receives rainfall information of each region from the plurality of rainfall measurement sensors 120 and analyzes the rainfall pattern to derive a first rainfall pattern for each region, for example, a pattern for the current rainfall in each region. there is. Here, the first rainfall pattern may have a plurality of rainfall data in units of a predetermined time, for example, units of minutes.

In addition, the rainfall pattern analysis unit 230 receives weather information of each region from the weather information server 300 and analyzes it to derive a second rainfall pattern for each region, for example, a pattern for rainfall at a future time point in each region. there is. Here, the second rainfall pattern may also be derived in the form of having a plurality of rainfall data in units of minutes.

Meanwhile, the rainfall pattern analyzer 230 may derive a second rainfall pattern for each region from the weather information of the weather information server 300 using one or more prediction models, for example, Huff's quartile method. At this time, the rain pattern analyzer 230 may derive and output a plurality of second rain patterns.

The water level change prediction unit 240 calculates the amount of water level change in the pipeline for each time period in each region from the water level information output from the water level information mapping unit 220 and the first and second rainfall patterns output from the rainfall pattern analysis unit 230. Predictable.

For example, the water level change prediction unit 240 may predict a pipe water level change amount at the current time of each region based on the water level information and the first rainfall pattern. In addition, the water level change predictor 240 may predict a water level change amount of the pipeline at a future time point in each region based on the water level information and the second rainfall pattern.

In addition, the water level change prediction unit 240 may predict a pipe water level change at a future time point in each region according to the arrival time of rainwater. For example, the water level change prediction unit 240 may predict a pipe water level change at a current time based on water level information and a first rainfall pattern in a specific area among a plurality of areas.

In addition, the water level change prediction unit 240 determines the amount of water level change in a specific area based on the rainwater arrival time, that is, the time when rainwater flows from a specific area to an outflow area, that is, an area where rainwater is discharged to the outside along the flow direction through the pipe. From this, it is possible to predict the change in water level of the pipeline at a future time point in the area adjacent to the specific area. Here, the rainwater arrival time may be set to a predetermined value based on the length of the pipe, the flow rate of rainwater through the pipe, or the time difference between the pipe water level change in a specific area and the pipe water level change in the outflow area.

That is, the water level change prediction unit 240 according to the present embodiment may predict current and future pipe water level change for each region based on the water level information of each region, the first rainfall pattern, or the second rainfall pattern. In addition, the water level change prediction unit 240 may predict a pipe water level change at a future time in an area adjacent to the specific area from the current pipe water level change in the specific area based on the rainwater arrival time from the specific area to the outflow area.

The above-described water level change prediction unit 240 may predict the amount of water level change in a pipeline for each time zone for each of a plurality of regions based on artificial intelligence such as machine learning or deep learning. To this end, the water level change prediction unit 240 can perform learning using a plurality of learning data stored in the database 260, and predict the amount of water level change in the pipeline at the present or future time of each region based on the learning result. there is.

The flooding risk determination unit 250 may determine the flooding risk for each region based on the water level change amount of the pipe in each region by the water level change prediction unit 240 . The flood risk determination unit 250 may notify a flood forecast or flood warning to a plurality of user terminals 400 located in a flood risk area or a public office within a flood risk area according to the determination result.

The flood risk determination unit 250 may calculate the water level value of the pipeline from the amount of water level change for each time period provided from the water level change prediction unit 240 . The flood risk determination unit 250 compares the calculated water level value with a preset reference value, and when the pipe water level value is greater than or equal to the reference value, may determine an area where the pipe water level value is calculated as a flood risk area.

The database 260 includes a regional map as shown in FIG. 3, that is, a plurality of regions (A, B, C, and D) and a plurality of manholes (A-1 to A-3, B-1) disposed in each region. ~B-3, C-1~C-3) and a regional map marked with pipelines (P1, P2) can be stored.

In addition, the database 260 may store a plurality of learning data, that is, water level information, rainfall information, and previous water level change in each region predicted from the rainfall pattern, and data on the flood risk determination result of each region determined therefrom. . Such learning data may be used for learning such as machine learning or deep learning of the water level change prediction unit 240 .

The weather information server 300 may transmit weather information for a plurality of areas to the flood forecasting and warning device 200 . The weather information may include rainfall information for each region up to the current point in time or weather prediction information for each region at a future point in time, that is, rainfall prediction information.

The user terminal 400 is a device possessed by each person in a plurality of regions, and may be a device capable of communicating with the flood forecasting and warning device 200 through a wired/wireless network, such as a computer or a smartphone. The user terminal 400 may receive a flood forecast or flood warning from the flood forecast/warning device 200 .

2 is a diagram showing a flood prediction and warning method according to an embodiment of the present invention, and FIG. 3 is a diagram showing an embodiment of the flood prediction and warning method of the present invention.

First, as shown in FIG. 3, in each of the plurality of regions A, B, C, and D, a plurality of manholes A-1 to A-3, B-1 to B-3, C-1 to C -3) and conduits P1 and P2 connecting between the plurality of manholes A-1 to A-3, B-1 to B-3, and C-1 to C-3 may be disposed.

The conduits P1 and P2 may include a main flow conduit P1 and a branch conduit P2. Here, the main stream pipe (P1) is formed to connect from region A (A) to region D (D), that is, the outflow region, and the branch pipe (P2) has at least one pair of manholes in each region (A, B, C). It may be formed to connect between the two or between one manhole and the main pipe (P1). Accordingly, rainwater introduced through the plurality of manholes (A-1 to A-3, B-1 to B-3, C-1 to C-3) flows from the branch pipe (P2) through the main pipe (P1) to D It flows into area (D) and can be discharged to the outside. Here, area D (D) may be a place such as a river, a lake, or a rainwater treatment plant where rainwater or sewage is discharged.

In addition, within a plurality of manholes (A-1 to A-3, B-1 to B-3, C-1 to C-3) or pipelines (P1, P2) in each area (A, B, C, D) Each of the plurality of water level measuring sensors 110 is installed to measure the water level inside the pipe. In addition, one or more rainfall measurement sensors 120 are installed in each region A, B, C, and D to measure the amount of rainfall in each region.

In addition, the plurality of manholes (A-1 to A-3, B-1 to B-3, C-1 to C-3) and pipelines (P1, P2), a plurality of water level measuring sensors 110 and rainfall Regional maps for a plurality of regions A, B, C, and D in which the measurement sensor 120 is disposed may be stored in the database 260 .

Hereinafter, a submersion warning method according to the present invention will be described in detail with reference to the drawings.

A plurality of water level measurement sensors 110 disposed in each area (A, B, C, D) measure the water level of the pipeline at each set measurement period to generate water level information, and the generated water level information at each communication period is used as a flood forecast and alarm. may be transmitted to the device 200 . The water level information mapping unit 220 of the inundation prediction and warning device 200 may map the water level information transmitted from each of the plurality of water level measuring sensors 110 to a local map provided from the database 260 (S10).

The water level information may include the ID of each water level measuring sensor 110 and location coordinates of the installation location, and the water level information may be mapped to a corresponding location on a local map using this. In addition, the water level information may be updated and mapped every communication cycle.

Next, the rainfall pattern analysis unit 230 analyzes the rainfall information transmitted from the plurality of rainfall measurement sensors 120 or the weather information transmitted from the weather information server 300 to derive a rainfall pattern for each region for each time period. It can (S20).

The plurality of rainfall measurement sensors 120 measure the rainfall in each area (A, B, C, D) at each measurement period to generate rainfall information, and transmit the rainfall information to the flood forecasting and warning device 200 at each communication period. there is. The rainfall pattern analyzer 230 analyzes the rainfall information transmitted from the rainfall measurement sensor 120 to derive a first rainfall pattern for each region, that is, a current rainfall pattern for each region.

The plurality of rainfall measurement sensors 120 may measure rainfall in units of minutes and transmit rainfall information, and thus, the rainfall pattern analyzer 230 may generate a first rainfall pattern including a plurality of rainfall data in units of minutes from the rainfall information. can be printed out.

The rainfall pattern analysis unit 230 may receive weather information, for example, rainfall prediction information for each region from the weather information server 300 . The rainfall pattern analysis unit 230 may derive a second rainfall pattern, that is, a future rainfall pattern of each region by analyzing weather information.

Here, the rainfall pattern analysis unit 230 may derive the second rainfall pattern using a prediction model, for example, Huff's quartile method. In this case, a plurality of second rainfall patterns may be derived and output, and each second rainfall pattern may include a plurality of rainfall data in units of minutes.

Continuing, the water level change prediction unit 240 determines each region A and B from the water level information output from the water level information mapping unit 220 and the first and second rainfall patterns output from the rainfall pattern analysis unit 230. , C, and D) can predict the amount of water level change in the pipeline for each time period (S30).

The water level change prediction unit 240 may predict a pipe water level change amount for each area at the current time based on the water level information and the first rainfall pattern. In addition, the water level change prediction unit 240 may predict a pipe water level change amount for each region at a future time point based on the water level information and the second rainfall pattern.

For example, the rainfall pattern analyzer 230 may derive a first rainfall pattern of area A (A) based on rainfall information transmitted from one or more rainfall measurement sensors 120 of area A (A). Accordingly, the water level change prediction unit 240 predicts the water level change amount of the pipeline in region A (A) at the present time from the water level information provided by the water level information mapping unit 220 and the first rainfall pattern output from the rainfall pattern analysis unit 230. can

In addition, the rain pattern analysis unit 230 may output a second rainfall pattern of area A from weather information about area A (for example, rainfall prediction information) transmitted from the weather information server 300 . Accordingly, the water level change prediction unit 240 may predict a water level change amount of the pipeline at a future point in area A (A) from the water level information and the second rainfall pattern.

Here, a plurality of second rainfall patterns may be output. Therefore, the water level change prediction unit 240 predicts the change in water level of the pipeline according to each of the plurality of second rainfall patterns, and extracts one having the largest change among them to predict the change in water level of area A (A) at a future time point. can

On the other hand, the water level change prediction unit 240 is adjacent to area A (A) based on the arrival time of rainwater, for example, the arrival time of rainwater from area A (A) to area D (D) through the main stream pipe (P1). It is possible to predict the amount of pipe water level change in another area, for example, area B (B), area C (C) or area D (D).

For example, the water level change prediction unit 240 can predict the current water level change in area A from the water level information of area A and the first rainfall pattern. Next, the water level change prediction unit 240 predicts the amount of water level change in the pipe in area D (D) at a future time based on the rainwater arrival time from area A (A) to area D (D), and predicts the predicted area D (D ), it is possible to predict the pipe water level change in the future for area B (B) and area C (C).

Here, the rainwater arrival time is the length of the main channel (P1) from area A (A) to area D (D) or the speed of rainwater movement within the main flow line (P1) or the inside of the main flow line (P1) in area A (A). It can be set to a predetermined value from the time difference between the water level change in area D and the water level change inside the main pipe (P1) in area D (D).

In this way, the water level change prediction unit 240 of this embodiment predicts the amount of change in the water level of the pipeline at the present and future time in area A (A), and based on the arrival time of rainwater from area A (A) to area D (D). By doing so, it is possible to predict the amount of pipe water level change at a future point in area B (B) or area C (C) adjacent to area A (A). That is, according to the present invention, the pipe water level change at a future time point in an area adjacent to the specific area can be predicted by using the predicted pipe water level change in a specific area according to the arrival time of rainwater through the pipe.

Next, the flood risk determination unit 250 may determine the flood risk for a plurality of regions A, B, C, and D from the pipe water level change predicted by the water level change prediction unit 240 (S40). .

The flood risk determination unit 250 may derive the pipe water level value at the current time point from the pipe water level change amount at the current time point. Then, the derived pipe water level value is compared with the reference value, and if the pipe water level value is greater than or equal to the reference value, the risk of flooding at the present time for the corresponding area can be determined.

In addition, the flood risk determination unit 250 may derive a pipe water level value at a future time point from a pipe water level change amount at a future time point. In addition, the pipe water level value is compared with the reference value, and if it is greater than or equal to the reference value, the risk of flooding at a future point in time for the corresponding area can be determined.

For example, when the water level change prediction unit 240 predicts the change in the water level of the pipeline at the current time for the area A (A), the flood risk determination unit 250 determines the area A (A) according to the water level value of the pipeline at the current time based on the amount of change in the water level. It is possible to determine the risk of flooding at the present time. In addition, when the water level change prediction unit 240 predicts the amount of change in the water level of the pipe at a future point in time for region A (A), the flooding risk determination unit 250 determines the amount of change in the water level in area A according to the water level value of the pipe at a future time point (A ) can determine the risk of flooding in the future.

On the other hand, the water level change prediction unit 240 is described as predicting the water level change of the pipe at a future time point for area B and area C (C) from the predicted value of the water level change of area A (A) based on the arrival time of rainwater. It became.

Therefore, the flooding risk determination unit 250 determines the flooding risk of area A (A) at the present time and the amount of water level change for area B (B) and area C (C) at the future time predicted by considering the arrival time of rainwater. From this, it is possible to determine the risk of flooding at a future point in the B area (B) and C area (C).

Subsequently, the flood risk determination unit 250 may notify a flood forecast or warning to a government office in the corresponding area according to the determination result. In addition, the flood risk determination unit 250 may notify a flood forecast or warning to each of the plurality of user terminals 400 located in the corresponding area according to the determination result (S50).

As described above, the flood forecasting and warning method according to the present embodiment predicts the amount of water level change in the pipeline based on the water level information measured inside the pipe in each region and the rainfall pattern analyzed from the meteorological information in each region, and the predicted water level change Flood forecasts or flood warnings can be notified by determining the risk of flooding in each area.

In addition, the present invention predicts the pipe water level change at a future point in the area adjacent to the specific area from the current point in time of the change in the level of the pipe level in the specific area in consideration of the arrival time of rainwater through the conduit formed by extending to the outflow area through a plurality of areas. can

Therefore, the present invention determines the risk of flooding at the present time in a specific area from the change in the water level of the pipeline predicted from the water level information and rainfall pattern for the specific area, and considers the arrival time of rainwater from the specific area to the outflow area in the specific area By determining the risk of flooding at a future point in time in an area adjacent to the area, it is possible to increase the accuracy of a flood forecast or warning by determining the risk of flooding in real time for multiple areas. Due to this, it may be possible to take preemptive measures such as flood prevention activities such as operation of rainwater pumps or evacuation of residents in each region.

In the above, one embodiment of the present invention has been described, but those skilled in the art can add, change, delete, or add components within the scope not departing from the spirit of the present invention described in the claims. The present invention can be variously modified and changed by the like, and this will also be said to be included within the scope of the present invention.

In addition, the above-mentioned terms are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of a user or operator. Therefore, definitions of these terms should be made based on the content throughout this specification.

10: Flooding forecasting and warning system 110: Water level measurement sensor
120: rainfall measurement sensor 200: flood forecasting and warning device
210: sensor operation control unit 220: water level information mapping unit
230: Rainfall pattern analysis unit 240: Water level change prediction unit
250: flood risk determination unit 260: database
300: weather information server 400: user terminal

Claims (13)

A plurality of water level measurement sensors installed inside a plurality of manholes and pipelines in each region to measure the water level of the pipeline and output water level information;
A plurality of rainfall measurement sensors installed at least one in each region to measure rainfall by region and output rainfall information; and
Based on the water level information and rainfall information, a rainfall pattern for each region is derived, the water level change of each region is predicted according to the rainfall pattern, the flood risk of each region is determined at the present and future time, and the flood risk is determined. A flood forecasting and warning system that notifies flood forecasts or warnings in an area; including,
The inundation forecasting and warning device,
a water level information mapping unit for mapping the water level information of each region to a regional map;
a rainfall pattern analyzer for deriving a first rainfall pattern for each region by analyzing the rainfall information and deriving a second rainfall pattern for each region by analyzing weather information for each region provided from a weather information server;
a water level change prediction unit for predicting a water level change amount of a pipe at a present time and a future time in each region based on the water level information, the first rainfall pattern and the second rainfall pattern; and
Including a flood risk judgment unit that determines the risk of flooding in a specific area from the predicted change in the water level of the pipeline and notifies a flood forecast or warning in a specific area according to the determination result,
The water level change prediction unit,
Based on the time that rainwater flows along the flow direction of the pipe to the area where rainwater is discharged to the outside, the pipe water level change at a future point in the area adjacent to the specific area is predicted from the water level change in the specific area,
The arrival time of the rainwater to the discharge point is set from the length of the pipeline, the flow rate of rainwater through the pipeline, or the time difference between the water level change in the pipeline in a specific area and the water level in the outflow area; Characterized by a flood forecasting and warning system.
delete delete According to claim 1,
The first rainfall pattern is a current rainfall pattern of each region derived from the rainfall information, and the second rainfall pattern is a future rainfall pattern of each region derived from the meteorological information.
The flood forecasting and warning system, characterized in that each of the first rainfall pattern and the second rainfall pattern includes a plurality of rainfall data in units of minutes. According to claim 1,
The flood forecasting and warning system, characterized in that the second rainfall pattern is derived in plurality through a prediction model. According to claim 1,
The flood risk determination unit,
A flood forecasting and warning system, characterized in that for determining the risk of flooding in a specific area by calculating a pipeline water level value from the pipeline water level change and comparing the pipeline water level value with a reference value. According to claim 1,
The inundation forecasting and warning device,
Further comprising a sensor operation control unit for controlling the operation of the water level measuring sensor and the rainfall measuring sensor according to the measurement period and the communication period,
The flood forecasting and warning system, characterized in that the measurement period and communication period are set to different values according to the weather conditions of each region. mapping water level information of pipelines for each region transmitted from each of a plurality of water level measuring sensors in each region to a regional map;
deriving a first rainfall pattern for each region based on rainfall information transmitted from each of a plurality of rainfall measurement sensors in each region, and deriving a second rainfall pattern for each region from the weather information transmitted from a weather information server;
predicting a change in water level of a pipeline at a present time and a future time in each region based on the water level information, the first rainfall pattern and the second rainfall pattern; and
Determining the risk of flooding in a specific area from the predicted change in water level of the pipeline, and notifying a flood forecast or warning in a specific area according to the determination result; including,
The step of predicting the pipe water level change is
Based on the time that rainwater flows along the flow direction of the pipe to the area where rainwater is discharged to the outside, predicting the pipe water level change at a future point in the area adjacent to the specific area from the water level change in the specific area,
The arrival time to the discharge point of rainwater is set from the length of the pipeline, the flow rate of rainwater through the pipeline, or the time difference between the pipeline water level change in a specific area and the pipeline water level change in the outflow area; Flooding forecasting and warning method characterized by.
According to claim 8,
The step of predicting the amount of change in the water level of the pipe,
predicting a change in the water level of the pipeline at a current point in time in each region based on the water level information and the first rainfall pattern; and
and estimating a change in the water level of the pipeline at a future time point in each area based on the water level information and the second rainfall pattern. According to claim 9,
The second rainfall pattern is derived in plurality,
The step of predicting the amount of change in the water level of the pipeline at a future time point in each region,
predicting a change in water level of a plurality of pipelines according to each of a plurality of second rainfall patterns; and
Inundation forecasting and warning method comprising the step of predicting the pipe water level change at the future time from one having the largest degree of change among the predicted plurality of pipe water level changes. delete According to claim 8,
In the step of notifying the flood forecast or warning,
Calculating a pipe water level value in each region from the pipe water level change amount;
Comparing the water level value of the pipe with a reference value; and
and determining a risk of flooding in the corresponding area and notifying a flood forecast or warning when the water level value of the pipeline is equal to or greater than the reference value as a result of the comparison. According to claim 8,
Further comprising controlling the operation of the water level measuring sensor and the rainfall measuring sensor according to the set measurement period and communication period,
The flood forecasting and warning method, characterized in that the measurement period and communication period are set to different values according to the weather conditions of each region.

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