KR101885671B1 - A k band radar integrated measurement apparatus for rainfall and water level and method thereof - Google Patents

Abstract

The present invention relates to an apparatus and a method for integrally measuring rainfall and water level of k-band radar, integrally measuring rainfall and water level of an observation target area by using a k-band radar and expanding a measurement range of the rainfall when the water level is increased in comparison with the rainfall so as to easily check whether or not the water level is increased due to an increase in upstream rainfall, the discharge of a dam, and local heavy rain. Accordingly, integrated equipment can be used so as to increase efficiency and cost efficiency of the equipment, and emergencies can be rapidly responded.

Description

TECHNICAL FIELD [0001] The present invention relates to a K band radar rain gauging and water level integrated measuring device,

The present invention relates to an apparatus and method for measuring the K-band radar rainfall and water level, and more particularly, to a K-band radar system for measuring the rainfall and river level of an observation target area using a K-band radar, , It is possible to easily check whether the water level is increased due to increase in rainfall on the upstream side, discharge of dams and local storm, etc. by increasing the measurement range of the rainfall amount, thereby improving the efficiency and economical efficiency of the equipment by using the integrated equipment, The present invention relates to an integrated measuring device and a method thereof.

Recently, various kinds of measurement devices such as a rain gauge and a water gauge have been installed at major points as a demand for precise weather observation related to bad weather, flood, disaster, and social interest have been increased. Data measured by the measurement device is collected at a central server And observes weather observation and disaster occurrence.

There are rain gauges and radar to measure the representative rainfall of weather observation. The rain gauge receives rainwater in a cylinder having a diameter of about 20 cm, measures the depth of the water in mm, and measures the amount of rain or snow. Furthermore, the radar recognizes the position of rain clouds by reflection or back scattering generated from rain clouds or the like, and based on the reflection coefficient of the object to be used, the attenuation of radio waves, the particle size, distribution and temperature of rain and snow The moving speed and intensity of the rainfall are calculated.

There is also a radar gauge for measuring the level of water in dams, rivers, and chemicals in tanks. Since the radar level meter measures the object to be measured in a noncontact manner, it is advantageous in that it is not influenced by the measurement environment. It radiates a short microwave pulse signal from the upper part of the object to be measured, And the water level is measured.

However, the conventional rain gauges and water gauges as described above are provided separately, and a logger for managing the storage of the measurement data and a communication device for transferring the measurement data are attached to the rain gauges and the water gauges, respectively, As a result, the initial cost of installing the equipment is increased, and it is not easy to secure the installation site when a large number of equipment is used.

In addition, there is a problem that the travel distance of the management personnel for periodic equipment inspection increases, and equipment management is not easy, which causes a lot of manpower, cost, and time for maintenance and management.

Therefore, in the present invention, it is possible to collectively measure the rainfall and the water level of the observation target region through a single K-band radar, and when the rise of the water level is detected as compared with the rainfall amount, It is easy to check the increase of water level due to discharge, local storm, etc., so as to improve the efficiency and economy of equipment and to prepare for emergency situation quickly.

Next, a brief description will be given of the prior arts that exist in the technical field of the present invention, and technical matters which the present invention intends to differentiate from the prior arts will be described.

First, Korean Registered Patent No. 1219506 (Feb. 23, 2013) discloses a real-time monitoring system for rainfall and water level, and a monitoring method using the same. The system includes simultaneous display information on the rainfall of the observation target area and the variation of the water level of the dam and the river It is a technical feature that it can provide accurate and efficient forecasting of heavy rainfall and flood by providing it in real time.

Korean Laid-Open Patent No. 2014-0103589 (2014.08.27.) Is related to a method and apparatus for predicting flood prediction using MAPLE weather forecast data. The MAPLE weather prediction data and various observation data, And it is easy to generate and update the flood prediction model using only the measurement data and the weather forecast data that can be acquired easily by using the ANFIS based flood prediction model which is a data-oriented model.

However, according to the present invention, a single K-band radar is used to collectively measure the rainfall and the river water level of the observation target area, and when the rise and fall of the water level are detected as compared with the rainfall when the rainfall and water level are integrated, The present invention provides a technical structure that can easily ascertain whether the rise of the water level due to the increase in the upstream side or the discharge of the dam or the local rainfall can be easily detected. Therefore, the rainfall of the prior art observation area, The flood forecasting model that provides the real-time information on the change of the water level at the same time in real time, and the flood prediction model that performs the most accurate flood prediction according to the preceding hour are respectively selected and the final flood prediction model is generated by combining the selected flood prediction models The difference in the technical characteristics is obvious.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a K-band radar system capable of collectively measuring a rainfall of an observation target area and a river level.

Further, the present invention is based on the information of the relationship between the accumulated rain and the water level when the rain and the water level are integrated using the K-band radar, and when the rise of the water level is detected as compared with the rain rate, The purpose is to make it easy to check whether the water level is rising due to the increase in rainfall on the upstream side, the discharge of dams, or local rains.

Another object of the present invention is to measure the rainfall of a desired area while changing the transmission angle and direction of the K-band radar when the observation range of the K-band radar is enlarged and measured.

The K-band radar rain rate and water level measuring apparatus according to an embodiment of the present invention generates a radio wave for measuring rainfall and sends it through an antenna and calculates rainfall information based on a signal reflected on a target received by the antenna And a water level measuring unit for generating a rainfall measuring unit and a radio wave for water level measurement through an antenna and calculating water level information based on a signal reflected by the water level received by the antenna, Is a K-band frequency band, and the rain information and the water level information are simultaneously measured.

Further, the integrated measuring apparatus may further comprise a comparison unit that compares the rainfall calculated by the rainfall measuring unit with the water level calculated by the water level measuring unit based on the relationship between the rainfall and the water level stored in advance, And a measurement information analyzing unit for generating a driving control signal for changing the position of the antenna including an antenna feed angle, a direction or a combination thereof and outputting the generated driving control signal to the superior measuring unit when the upward trend of the water level relative to the rain exceeds the predetermined threshold value And the measurement information analyzing unit identifies an event occurrence factor for enlarging the measurement range based on the quality information measured by the quality measuring unit after the position of the antenna is changed.

Further, the integrated measuring apparatus may further include a controller for changing the position of the antenna on the basis of the antenna drive control signal received from the measurement information analyzing unit in the rainfall measuring unit, and transmitting the radio wave for measuring the rainfall to the observation target region through the changed antenna And calculates the quality information based on the reflection signal received by the antenna.

Further, the measurement information analyzing unit may refer to the rain information and the water level information of each observation target area provided from at least one or more other integrated measurement devices installed in an adjacent area, and determine a specific delivery angle, direction, And generates an antenna drive control signal including a combination of these and outputs the generated antenna drive control signal to the high-quality measurement unit.

The rainfall measuring unit may include a first signal generating unit for generating a pulse for generating radio waves for rainfall measurement, a first radio wave transmitting unit for modulating the generated pulse to generate and output radio waves for rainfall measurement, A first reflection signal receiving unit for performing noise elimination and intermediate frequency conversion on a reflection signal received through the first antenna, a first reflection signal receiving unit for processing a signal received from the first reflection signal receiving unit, , A first signal processing unit for extracting a variable including a spectral width, a cross correlation coefficient, a differential reflectance, a differential phase difference, or a combination thereof, a superior information calculating unit for calculating superior information of the observation target area based on the extracted variable, A transmission angle input from a measurement information analysis unit for confirming occurrence of an event for enlargement, a direction or a combination thereof And an antenna driver for changing a position of the first antenna based on an antenna drive control signal.

The level measuring section may further include a second signal generating section for generating a pulse for generating a radio wave for level measurement, a second radio wave transmitting section for modulating the generated pulse to generate and output a radio wave for level measurement, A second reflection signal receiving unit for processing noise elimination and intermediate frequency conversion of a reflection signal received through the second antenna, a second reflection signal receiving unit for receiving a signal received from the second reflection signal receiving unit, A second signal processing unit for extracting a parameter including a signal intensity, a reflectivity, a distance to a water surface, or a combination thereof, and a water level information calculation unit for calculating water level information of an observation target area based on the extracted parameters.

According to another aspect of the present invention, there is provided a method of measuring integrated K-band radar rainwater and water level, comprising the steps of: generating a radio wave for measuring rainfall through a rainfall measuring unit in an integrated measuring device, A rainfall measuring step of calculating rainfall information on the basis of a signal reflected and collided; and an integrated measuring device for generating a radio wave for water level measurement through a water level measuring unit and transmitting the radio wave through an antenna, And the radio wave transmitted from each of the rainfall measuring step and the water level measuring step is a K-band frequency band, and the rainfall information and the water level information are measured at the same time.

In the integrated measurement method, the integrated measurement apparatus compares the rainfall calculated in the rainfall measurement step with the water level calculated in the water level measurement step based on the relationship information between the rainfall and the water level stored in advance through the measurement information analysis unit And generates an antenna drive control signal including an antenna feed angle, a direction, or a combination thereof when the rising trend of the water level relative to the rainfall calculated in the water level measuring step exceeds a predetermined threshold value, and outputs the antenna drive control signal to the rainfall measuring unit And analyzing the measurement information, wherein the analysis of the measurement information includes an event generation factor confirmation step of confirming an event generation factor for expanding the measurement range of the rainfall based on the rainfall information measured by the rainfall measurement unit after the position change of the antenna And further comprising:

The integrated measurement method may further include: an antenna position changing step of changing an antenna position based on the antenna drive control signal generated in the measurement information analysis step through the high-quality measurement unit; Further comprising a good quality material measuring step of measuring the quality of the rainfall based on the reflection signal received by the antenna, and transmitting the radio wave for the rainfall measurement to the observation target area.

The measurement information analyzing step may include analyzing the antenna position change of the rainfall measuring unit by referring to the rainfall information and the water level information of each observation target area provided from at least one or more other integrated measurement devices installed in an adjacent area through the measurement information analysis unit Generating an antenna drive control signal including a specific feed angle, a direction, or a combination thereof, and outputting the generated antenna drive control signal to the beat measurement unit.

The rain measuring step may include a pulse generating step of generating a pulse for generating radio waves for rainfall measurement through the first signal generating unit, a step of modulating the generated pulse through the first radio wave transmitting unit to generate radio waves for rainfall measurement, A radio wave radiating step for radiating the radio wave for good measurement to a region to be observed through a first antenna, a step of radiating a radio wave for measuring the quality of the radio wave to be measured through the first antenna, a noise of a reflected signal received from the first antenna through the first reflected signal receiving unit And a signal including a reflectivity, a spectrum width, a cross correlation coefficient, a differential reflectance, a differential phase difference, or a combination thereof, from a signal processed in the reception step through the first signal processing unit Based on the extracted variables, a signal processing step of extracting a signal from the right side of the observation target area Wherein the goodness measuring step includes a sending angle, a direction, or a combination thereof sent from a measuring information analyzing unit for confirming occurrence of an event for enlarging a measuring range of the good through an antenna driving unit And an antenna position changing step of changing the position of the first antenna based on the antenna drive control signal.

The level measuring step may include a pulse generating step of generating a pulse for generating a radio wave for level measurement through the second signal generating unit, a step of modulating the generated pulse through the second radio wave transmitting unit to generate a radio wave for level measurement, A radio wave sending step for sending a radio wave for level measurement to a region to be surveyed via a second antenna, a step of transmitting a radio wave to the observation target region through a second reflected signal receiving section, A signal for extracting a variable including a received signal strength, a reflectance, a distance to a water surface, or a combination thereof from a signal processed in the receiving step of the reflected signal through a second signal processing unit A water level information calculating unit for calculating the water level information of the observation target area based on the processing step and the extracted variables And the above information calculation step.

As described above, according to the K-band radar rain gauging and level gauging apparatus and method of the present invention, by using the K-band radar to measure the rainfall and the river water level of the observation target area in an integrated manner, It is possible to reduce the total amount of equipment and the number of installation points through the use of integrated equipment without using individual equipment for water level measurement, thereby enhancing the efficiency and economy of equipment and facilitating maintenance and management It is effective.

Further, when the rise of the water level is detected as compared with the rainfall, the observation range is enlarged by adjusting the dispatch angle and the direction of the K-band radar so that the increase of the water level due to the increase in rainfall upstream, dam discharge, And it is possible to quickly prepare for occurrence of various emergency situations such as local abrupt rainfall.

In addition, unlike a conventional rain gauge, it is possible to observe the rainfall of about 6 km above the ground. Therefore, it is possible to predict the rainfall in the farthest air. When the integrated measurement device is installed closely, It is possible to predict the sudden rainfall by sensing the rising and falling air currents.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a K-band radar rain gauging and level gauging apparatus according to an embodiment of the present invention; FIG.
FIG. 2 is a conceptual diagram for explaining a K-band radar rain rate and water level integration measurement process to which the present invention is applied.
3 is a detailed view of the configuration of the integrated measuring apparatus of FIG.
Fig. 4 is a detailed view showing the configuration of the brighter measuring unit of Fig. 3. Fig.
FIG. 5 is a detailed view showing the configuration of the water level measuring unit of FIG. 3;
FIG. 6 is a detailed view of the configuration of the management server of FIG. 1. FIG.
FIG. 7 is a flowchart illustrating in detail an operation process of the K-band radar rain rate and water level integration measurement method according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. Like reference symbols in the drawings denote like elements. Furthermore, specific structural and functional descriptions for embodiments of the present invention are presented for the purpose of describing an embodiment of the present invention only, and, unless otherwise defined, all terms used herein, including technical or scientific terms Have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as ideal or overly formal in the sense of the art unless explicitly defined herein .

FIG. 1 is a schematic view showing a configuration of a K-band radar rain rate and water level integration measuring apparatus according to an embodiment of the present invention. FIG. 2 is a conceptual diagram for explaining a K- to be.

1 and 2, the integrated measurement apparatus of the present invention includes an integrated measurement apparatus 100, a management server 200, a database 300, an administrator terminal 400, and the like.

The integrated measuring apparatus 100 is a device for simultaneously measuring both the rainfall and the river water level in the observation target area, and is installed at a predetermined interval on the river, bridge, etc., and simultaneously measures the rainfall and the water level of the corresponding area.

The integrated measuring apparatus 100 uses a K-band frequency in the 24 GHz band, uses a radar having an effective observation radius of about 6 km in the vertical direction, and has an observation distance of about 200 m in the lower stream direction Use radar.

2, a rainfall measuring unit, which is a micro rain radar, is disposed on the upper part of the integrated measuring apparatus 100, and a radar A water level measuring unit serving as a water level measuring unit.

At this time, when the integrated measuring apparatus 100 is to measure the rainfall amount, it transmits a radio wave for the rainfall measurement in the vertical direction of the upper part, receives the reflection signal reflected by the target such as cloud, rain, Measure and predict the rainfall of the observation area. Since the reflected signal reflected by the target is received in the form of a voltage, signal processing such as an ADC (analog-digital converter) process and a filtering process must be performed through signal processing. For example, when the rainfall measurement is performed, clutter signals such as terrain, chaff echo, and flounder are received together with the reflection signal reflected by the target, in addition to the information of the importer required for observation, etc., The signal should be properly removed at the signal processing stage. This is because if the clutter signal is not removed, it will be mistaken as a precipitation signal and an error will be generated in the calculation of the rain rate.

When the water level is to be measured, the integrated measuring apparatus 100 transmits a radio wave for water level measurement to the water surface through a conical guide pipe for guiding radio waves at the lower side, receives a reflection signal reflected from the water surface, This signal is processed to measure the river water level in the observation area.

In the integrated measuring apparatus 100, the radio wave for the measurement of the quality is transmitted by the semi-millimeter wave pulsed radar system in the 24 GHz band. The radio wave for the level measurement sent for the water level measurement is a semi-millimeter wave in the 24 GHz band Frequency modulation continuous wave (FMCW) radar system.

Also, the integrated measuring apparatus 100 provides the management server 200 with the rainfall and water level information calculated through the rainfall measuring unit and the water level measuring unit, thereby collectively managing the rainfall and the water level for each river to be observed .

In addition, when the integrated measurement apparatus 100 measures the rainfall and the water level of the observation target area, the rise of the water level is higher than the currently measured rainfall amount based on the relationship between the rainfall and the water level, When it is detected, that is, when it is necessary to check whether or not an event such as an abnormal situation or an emergency occurs when the change of the water level rise exceeds a predetermined threshold value, the measurement range of the rainfall amount can be expanded. That is, it is possible to provide a structure that can quickly prepare for various situations such as local abrupt storms and dam discharges.

In this case, the integrated measuring apparatus 100 can measure the rainfall of a desired area by changing the delivery angle and direction of the radar. For example, when an event occurs, the tilt of the radar is changed in a predetermined upstream direction of the river. Then, a radio wave for measuring the rainfall is sent out, the rainfall is measured through signal processing of the reflected signal reflected by the target, Based on the information, it is possible to confirm immediately whether or not the rainfall on the upstream side has increased or the water level has risen due to the discharge of the dam, etc., so that the cause of the rise in water level can be confirmed.

At this time, the drive control for enlarging the good measurement range based on the change of the delivery angle and the direction of the radar performed by the integrated measurement device 100 is performed by the self- It can be performed based on the control of the management server 200. [

In the meantime, according to the present invention, it is possible to connect each integrated measuring apparatus 100 installed in each river or bridge to a network, and to send and receive rainfall and water level information measured in the corresponding observation area to each integrated measuring apparatus 100 Can be configured.

In this case, when the integrated measurement apparatus 100 detects an event in which the trend of the rise in the water level exceeds a predetermined threshold value based on the relationship between the rainfall and the water level, which is stored and managed in advance, The angle and direction of the antenna are determined with reference to the information of the rainfall and the water level of each observation area provided from the other integrated measuring device of the area, and the position of the antenna is changed according to the sending angle and direction, Can be measured. That is, when an event situation occurs, a method of changing the position of the antenna in a predetermined upstream direction of the river as described above, and determining an area where it is necessary to check whether an event occurs, based on the high- Thereby changing the position of the antenna toward the corresponding area.

That is, when the quality of the antenna is changed while the position of the antenna is changed, the observation range is widened. In addition, by measuring the rainfall in a wide range, it is possible to reduce errors due to local rainfall measurement. To improve the accuracy of bare observations, it can be changed according to events, including periodically changing the direction of radio waves and antennas, or sensing a change in water level.

In other words, according to the present invention, it is possible to change the observation angle of the rainfall according to the event by changing the transmission angle of the radio wave and the antenna angle according to the observation result of the water level, and in observing the rainfall, The observation range can also be expanded.

In addition, the present invention may be configured to collect the rainfall and water level information measured in each observation target area by one integrated measurement device among a plurality of integrated measurement devices, and to provide the rainfall and water level information to the management server 200 via the network. That is, a master-slave network in which one integrated measuring apparatus is set as a master and all other integrated measuring apparatuses are set as slaves is configured, and then a management server 200 and each integration And to transmit and receive data related to the driving control and the function update of each integrated measuring apparatus as well as the high-level and the level information measured by the measuring apparatus.

The management server 200 is operated by a government agency, a meteorological agency, or the like, which performs water resource management, for central control. The management server 200 receives rainfall information and water level information from the integrated measurement device 100 through a network, And stores the quality information and the water level information received from the integrated measuring apparatus 100 in the database 300 and manages the information.

Also, the management server 200 provides the manager terminal 400 with information on the rainfall information, the water level information, and the monitoring result of each observation area received from the integrated measurement device 100.

In addition, the management server 200 continuously updates and manages system information for optimized operation of each integrated measurement apparatus 100, and transmits updated system information to each integrated measurement apparatus 100 through a network do.

The database 300 stores and manages the rainfall information and the water level information for each observation target region provided from the integrated measurement apparatus 100 based on the control of the management server 200. [

In addition, the database 300 stores and manages various programs and system information for measuring and calibrating the rainfall and water level used in the integrated measurement apparatus 100, Cumulatively stores the relationship information between the rainfall information and the water level information including time or a combination thereof.

The administrator terminal 400 is a communication device such as a smart phone or a tablet possessed by a manager who performs maintenance of the integrated measuring apparatus 100 and manages and manages the management server 200. The manager terminal 400 includes a management server 200, Monitoring status information, and the like of the integrated measuring apparatus 100 from the user.

3 is a diagram showing the configuration of the integrated measuring apparatus 100 of FIG. 1 in more detail.

3, the integrated measuring apparatus 100 includes a rain measuring unit 110, a water level measuring unit 120, a measurement information analyzing unit 130, a communication unit 140, a storage unit 150, (160), and the like.

The rainfall measuring unit 110 generates a radio wave for measuring rainfall, sends it to a target point in an observation target area through an antenna, and calculates rainfall information on the basis of a signal reflected by a target received by the antenna.

Further, the rainfall measuring unit 110 calculates a rainfall amount based on the rainfall and water level information stored and managed in the storage unit 150 based on the analysis result performed by the measurement information analysis unit 130, When the degree of rise of the water level measured by the measuring unit 120 exceeds a preset threshold value, the position of the current observation target point is changed to another position to check whether an event such as an abnormal situation or an emergency occurs, Can be further performed.

That is, when the antenna driving control signal for checking the event occurrence state is input from the measurement information analysis unit 130 for analyzing the event occurrence, the transmission angle and direction of the antenna are changed to the strong upstream direction according to the antenna driving control signal And transmits the radio wave for measuring the rainfall through the antenna whose position has been changed, and calculates the rainfall information of the changed observation target area based on the reflection signal received by the antenna. Through this, it is possible to confirm the cause of the rise of the water level at the present position by checking instantly whether the rain rate on the upstream side of the river is increased or the water level is raised by the dam discharge.

In addition, when the rise of the water level is detected as compared with the rain rate, the rainfall measuring unit 110 may include the measurement information analyzing unit 130 Receives the generated antenna driving control signal from the measurement information transmitted from the other integrated measuring apparatus installed in the adjacent area and changes the position of the antenna in a specific transmission angle and direction according to the antenna driving signal, It is possible to calculate the rainfall information of the observation target area.

The water level measuring unit 120 generates a radio wave for water level measurement, sends it to the lower river surface through the antenna, and calculates water level information based on a signal reflected by the water surface received by the antenna.

At this time, the radio waves radiated from the rain gauging unit 110 and the water level gauging unit 120 may be composed of a vertical polarized wave of the K-band frequency band and a dual polarized wave or a single polarized wave of the horizontal polarized wave, And the water level and the water level measured by the water level measuring unit 120 are preferably measured at the same time, but they can be measured separately at different times.

The measurement information analyzing unit 130 analyzes the rainfall calculated by the rainfall measuring unit 110 and the water level calculated by the water level measuring unit 120 based on the relationship between the previous rainfall and the water level stored in the storage unit 150 And determines whether the upward trend of the water level relative to the rainfall calculated by the water level measuring unit 120 as a result of the comparison exceeds a predetermined threshold value. If the upward trend of the water level relative to the rainfall calculated by the water level measuring unit 120 exceeds a predetermined threshold value, the controller generates a drive control signal for changing the position of the antenna including the antenna feed angle, direction, or a combination thereof And outputs the drive control signal to the rainfall measuring unit 110.

That is, the measurement information analyzing unit 130 analyzes whether or not an event such as an abnormal situation or an emergency has occurred, and if the event occurs, changes the position of the current observation target point to another position to check the cause, And generates an antenna drive control signal for measuring information.

In addition, the measurement information analyzing unit 130 identifies an event occurrence factor for the increase in the measurement range of the rainfall based on the rainfall information measured by the rainfall measuring unit 110 after changing the position of the antenna, And provides the management server 200 with confirmation information of the occurrence factor through the communication unit 140. [

On the other hand, if it is determined that an event has occurred as a result of analysis of an event such as an abnormal situation or an emergency situation, the measurement information analysis unit 130 may determine that an event has occurred from each of the observations provided from at least one other integrated measurement apparatus 100 installed in an adjacent area Generates an antenna drive control signal including a specific feed angle, a direction, or a combination thereof for changing the antenna position of the rainfall measuring unit (110) by referring to the rainfall information and the water level information of the target area, And a function of outputting a signal to the rainfall measuring unit 110 can be additionally performed.

The communication unit 140 communicates with the management server 200 via the network and transmits the rainfall information and the water level information measured by the rainfall measuring unit 110 and the water level measuring unit 120 to the management server 200 ).

Also, the communication unit 140 receives the data on the relationship between the previous good and the water level, the system management information for the optimized operation of the integrated measuring apparatus 100, and the like from the management server 200, .

When the control unit 140 controls the antenna position change, the communication unit 140 receives the drive control signal for changing the antenna position from the management server 200 and outputs the received control signal to the control unit 160 .

The storage unit 150 stores various program information for driving the integrated measuring apparatus 100. The storage unit 150 stores the relationship information of the previous good and the water level provided from the management server 200 through the communication unit 140 And system management information for optimized operation of the integrated measurement apparatus 100. [

The control unit 160 collectively controls the operation of the integrated measuring apparatus 100. The control unit 160 may be configured to calculate the quality information and change the antenna position in the quality measuring unit 110, The comparison of the rising trend of the water level relative to the rain referred to the previous relationship of the rainfall and the water level in the measurement information analysis unit 130, the change of the position of the antenna based on the comparison result, Control information measurement.

The control unit 160 also controls the communication unit 140 to communicate with the management server 200 through the network, to transmit the quality information and the level information, to receive the data on the relationship between the good quality and the water level, And controls reception of the system management information for the optimized operation for each apparatus 100.

FIG. 4 is a detailed view of the configuration of the brighter measuring unit 110 of FIG.

4, the rainfall measuring unit 110 includes a first signal generator 111, a first radio wave transmitter 112, a first antenna 113, a first reflection signal receiver 114, 1 signal processing unit 115, a good quality information calculation unit 116, an antenna driving unit 117, and the like.

At this time, the goodness measuring unit 110 has a specification such as a 24 GHz K band frequency, a transmission output of 1 W, an observation distance of 6 Km or more, an antenna diameter of about 20 cm, a 3 dB beam width of 2 degrees, a gain of 38 dB or more, .

Based on the control of the controller 160, the first signal generator 111 generates a pulse for generating a radio wave for measuring the rainfall, and outputs the pulse to the first radio wave transmitter 112.

The first radio wave transmitting unit 112 modulates the pulse generated by the first signal generating unit 111 to generate radio waves for measuring the quality of radio waves and transmits the radio waves for good measuring to the observation target area through the first antenna 113 .

The first antenna 113 transmits a radio wave for measuring rainfall generated in the first radio wave transmitter 112 to a region to be observed and receives a signal reflected by the target and outputs the signal to the first reflection signal receiver 114 .

The first reflection signal receiving unit 114 processes noise elimination and intermediate frequency conversion of the reflected signal received through the first antenna 113 and outputs it to the first signal processing unit 115.

The first signal processing unit 115 extracts a parameter including a reflectivity, a spectrum width, a cross correlation coefficient, a differential reflectance, a differential phase difference, or a combination thereof based on a signal received from the first reflected signal receiving unit 114, And outputs the variable to the superior information calculation unit 116. [

The rainfall information calculation unit 116 calculates rainfall information of the observation target area based on various variables extracted from the first signal processing unit 115 and outputs the calculated rainfall information to the control unit 160. [

The antenna driving unit 117 controls the first antenna 113 (113) based on an antenna driving control signal including a sending angle, a direction, or a combination thereof input from the measurement information analyzing unit (130) ) Of the image data.

5 is a detailed view showing the configuration of the water level measuring unit 120 of FIG.

5, the level measuring unit 120 includes a second signal generating unit 121, a second radio wave transmitting unit 122, a second antenna 123, a second reflected signal receiving unit 124, 2 signal processing unit 125, a water level information calculation unit 126, and the like. At this time, the level measuring unit 120 includes a display function for checking the measurement status, a backlight function for checking even in a dark environment, an air purge function for preventing adhesion of foreign matter, and a noise removing function As shown in FIG.

The level measuring unit 120 is configured with specifications such as a K band frequency of 24 GHz, a transmission output of 1 W, an observation distance of 200 m, an antenna diameter of about 10 cm, a 3 dB beam width of 3 degrees, and a resolution of 1 mm.

Based on the control of the controller 160, the second signal generator 121 generates a pulse for generating a radio wave for level measurement and outputs the pulse to the second radio wave transmitter 122.

The second radio wave transmitting unit 122 modulates the pulse generated by the second signal generating unit 121 to generate a radio wave for level measurement and transmits the radio wave for level measurement through a second antenna 123 to a water surface .

The second antenna 123 transmits the radio wave for level measurement generated by the second radio wave transmitting unit 122 to the lower surface of the water, receives a signal reflected by the surface of the water, and outputs the signal to the second reflected signal receiving unit 124 do.

The second reflection signal receiving unit 124 processes noise elimination and intermediate frequency conversion of the reflection signal received through the second antenna 123 and outputs it to the second signal processing unit 125.

The second signal processing unit 125 extracts a variable including the received signal strength, the reflectivity, the distance to the water surface, or a combination thereof based on the signal received from the second reflected signal receiving unit 124, And outputs it to the calculation unit 126.

The water level information calculation unit 126 calculates the water level information of the observation target area based on the parameters extracted from the second signal processing unit 125 and outputs the calculated water level information to the controller 160. [

FIG. 6 is a detailed block diagram of the management server 200 of FIG.

6, the management server 200 includes a communication unit 210, a measurement information management unit 220, a display unit 230, an integrated measurement device management unit 240, a control unit 250, and the like.

The communication unit 210 receives the rainfall information and the water level information measured by the rainfall measuring unit 110 and the water level measuring unit 120 from the integrated measuring apparatus 100 via the network and outputs the information to the controller 250 .

Also, the communication unit 210 transmits data on the relationship between the goodness and the water level, which is continuously updated by the management server 200, to the integrated measurement apparatus 100, and based on the control of the control unit 250, And transmits the optimized system management information generated by the integrated measurement apparatus management unit 240 to the integrated measurement apparatus 100.

When the management server 200 controls the antenna position change for enlarging the coverage of the individual integrated measuring apparatus 100, the communication unit 210 performs antenna position change based on the control of the controller 250 And transmits the drive control signal for the integrated measurement apparatus 100 to the integrated measurement apparatus 100.

The measurement information management unit 220 monitors the rainfall information and the water level information of each observation target area transmitted from the integrated measurement device 100 through the communication unit 210 and manages the storage of the database 300.

The display unit 230 displays various kinds of control information such as the monitoring information of the rainfall information and the water level information of each observation target region of the measurement information management unit 220 and the driving state of each integrated observation device 100 on the screen.

The integrated measurement apparatus management unit 240 generates and manages system management information for maintaining the operation of each integrated measurement apparatus 100 in an optimized state and stores the managed system information in the database 300. The system management information is transmitted to the communication unit 210, To the integrated measurement apparatus 100 via the network.

The control unit 250 collectively controls the operation of the management server 200. The control unit 250 controls the operation of the management server 200 such that the communication unit 210 receives the high-level information and the high-level information of each observation target region, Data transmission, transmission of optimized system management information, and the like, and controls the monitoring and data storage of rainfall and water level information for each observation target region in the measurement information management unit 220.

The controller 250 controls display of various kinds of control information such as monitoring information and driving state related to the rainfall and the water level of each observation target region of the display unit 230, And controls generation and provision of system management information.

Next, an embodiment of the K-band radar rain rate and water level integrated measurement method according to the present invention will be described in detail with reference to FIG. At this time, each step according to the method of the present invention may be changed in the use environment or the order by a person skilled in the art.

FIG. 7 is a flowchart illustrating in detail an operation process of the K-band radar rain rate and water level integration measurement method according to an embodiment of the present invention.

First, it is determined whether the integrated measuring device 100, which is installed in a specific river or a bridge, and can simultaneously measure the rainfall of the area, as well as the water level of the river, is the integrated measurement period of the rainfall and the water level (S10). At this time, the integrated measurement apparatus 100 performs measurement by confirming whether or not it is time to measure itself according to the schedule information stored in advance. In addition, the integrated measurement apparatus 100 measures the measurement based on the control of the management server 200 connected to the network It can be done. Also, it is preferable that the integrated measuring apparatus 100 measures both the rain rate and the water level simultaneously, but it is needless to say that the integrated measurement apparatus 100 can be separately measured at different times.

As a result of the determination in step S10, the integrated measuring apparatus 100 generates a radio wave for measuring the rainfall through the rainfall measuring unit 110 and sends it through the antenna (S20) (S30), and the reflected signal is subjected to signal processing to calculate the rainfall information (S40).

If the integrated measurement apparatus 100 determines that it is time to measure the rainfall and water level as a result of the determination in step S10, the integrated measurement apparatus 100 generates a radio wave for water level measurement through the water level measurement unit 120 and transmits the radio wave through the antenna (S50) (S60), and the reflected signal is subjected to signal processing to calculate level information (S70).

When the rainfall information and the water level information are calculated in the rainfall measuring unit 110 and the water level measuring unit 120 in steps S40 and S70, the integrated measurement apparatus 100 calculates the rainfall information and the water level information, respectively, To the management server 200 via the network (S80).

Also, the integrated measuring apparatus 100 analyzes the quality information and the water level information calculated in the steps S40 and S70 by referring to the relationship information between the rain rate and the water level stored in advance through the measurement information analysis unit 130 (S90). Based on the analysis result, it is determined whether an abnormality situation or an emergency situation is detected (S100).

That is, the integrated measuring apparatus 100 compares the rainfall information calculated in the step S40 with the water level information calculated in the step S70 to check whether the rising trend of the rainfall-water level exceeds the predetermined threshold value, If the upward trend of the water level exceeds the threshold value, the operation is performed to ascertain the cause of the water level rise by enlarging the rainfall measuring range.

As a result of the determination in step S100, if it is determined that the event of necessity of measurement is generated by extending the measurement range of the goodness, the integrated measuring apparatus 100 may be operated for changing the position of the antenna including the antenna sending angle, A control signal is generated, and the position of the antenna is changed to the strong upstream side based on the drive control signal, and then successive transmission of the radio wave for good measurement, receipt of the reflected signal, and calculation of good information through signal processing of the reflected signal (S110).

Thereafter, the integrated measuring apparatus 100 confirms whether the upstream side rain rate has increased or not by ascending the dam level based on the rainfall information confirmed in the step S110, confirms the cause of the water level rise, And transmits the result to the management server 200 (S120).

On the other hand, when the position of the antenna is changed by the occurrence of the event through the step S110, the integrated measuring apparatus 100 refers to the good information and the water level information collected from the other integrated measuring apparatuses in the adjacent area, You can decide. That is, it is possible to designate the area where the occurrence of the event needs to be checked based on the rainfall and water level information measured in the adjacent area, so that the position of the antenna can be directed to the corresponding area.

When the integrated measurement apparatus 100 transmits the rainfall and water level information to the management server 200 in step S80, the integrated measurement apparatus 100 collects rainfall and water level information measured by the integrated measurement apparatuses in the vicinity and transmits the rainfall and water level information to the management server 200 Or may transmit the currently measured rainfall and water level information to a specific integrated measuring device performing a master function and transmit the rainfall and water level information to the management server 200.

Also, the integrated measuring apparatus 100 may periodically receive system information for optimized driving from the management server 200.

As described above, since the K-band radar is used to measure the rainfall and the water level of the observation target area in an integrated manner, it is unnecessary to use individual equipment for the rainfall measurement and the water level measurement as in the prior art, Maintenance and management can be easily performed.

Further, the present invention can increase the observation range by adjusting the dispatch angle and direction of the K-band radar when the water level rise is detected as compared with the rain quantity. Therefore, the increase of the water level due to the increase in the upstream side rainfall, the discharge of the dam, It can be checked easily and can be prepared quickly for various emergency situations such as local abrupt rainfall.

In addition, unlike conventional rain gauges, it is possible to observe the rainfall of about 6 km above the ground. Therefore, it is possible to forecast the rainfall in the far air, and when the integrated measurement device is closely installed, the rainfall prediction of the subwatershed can be predicted. It is possible to predict the sudden rainstorm by detecting sudden rising and falling air currents.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is understandable. Accordingly, the technical scope of the present invention should be determined by the following claims.

100: integrated measuring device 110:
120: water level measuring unit 130: measurement information analyzing unit
140: communication unit 150:
160: control unit 200: management server
210: communication unit 220: measurement information management unit
230: integrated measuring device management unit 240:
300: Database 400: Administrator terminal

Claims (12)

A rainfall measuring unit for generating a radio wave for measuring rainfall, sending the rainwater through an antenna, calculating rainfall information based on a signal reflected by a target hit by the antenna, And
And a water level measuring unit for generating a radio wave for water level measurement and transmitting the radio wave through the antenna and calculating water level information based on a signal reflected by the water level received by the antenna,
Wherein the radio wave transmitted from the rain gauging section and the gauging section is a K-band frequency band, and the rain information and the water level information are simultaneously measured. The method according to claim 1,
The integrated measuring apparatus includes:
A comparison is made between the rainfall calculated by the rainfall measuring section and the water level calculated by the water level measuring section on the basis of the relationship between the rainfall and the water level stored in advance and an ascending trend of the rainfall water level calculated by the water level measuring section And a measurement information analyzing unit for generating a driving control signal for changing the position of the antenna including an antenna sending angle, a direction or a combination thereof when the predetermined threshold value is exceeded,
Wherein the measurement information analyzing unit identifies an event occurrence factor for enlarging the measurement range of the rainfall based on the rainfall information measured by the rainfall measuring unit after the position of the antenna is changed. The method of claim 2,
The integrated measuring apparatus includes:
Wherein the rainfall measuring unit changes the position of the antenna on the basis of the antenna drive control signal received from the measurement information analyzing unit and sends radio waves for rainfall measurement to the observation target region through the antenna that has been changed, And calculates the goodness information based on the reflected signal. The method of claim 2,
Wherein the measurement information analyzer comprises:
An antenna drive including a specific feed angle, a direction, or a combination thereof for changing the position of the antenna of the good measuring unit with reference to the good information and the water level information of each observation target area provided from at least one other integrated measuring apparatus installed in the adjacent area And outputs the generated antenna drive control signal to the high-quality measurement unit. The method according to claim 1,
The high-
A first signal generator for generating a pulse for generating radio waves for measuring rainfall;
A first radio wave transmitting unit for modulating the generated pulse to generate a radio wave for measuring a good quality and outputting it;
A first antenna for transmitting the radio wave for measuring rainfall to a region to be observed;
A first reflection signal receiver for processing noise removal and intermediate frequency conversion of a reflection signal received through the first antenna;
A first signal processor for extracting a variable including a reflectivity, a spectrum width, a cross correlation coefficient, a differential reflectivity, a differential phase difference, or a combination thereof based on a signal received from the first reflection signal receiver;
An excellent information calculation unit for calculating rainfall information of an observation target area based on the extracted variables; And
And an antenna driving unit for changing a position of the first antenna based on an antenna driving control signal including a sending angle, a direction, or a combination thereof input from a measuring information analyzing unit for confirming occurrence of an event for widening a measuring range of goodness The integrated measuring device features. The method according to claim 1,
The level-
A second signal generator for generating a pulse for generating a radio wave for level measurement;
A second radio wave transmitting unit for modulating the generated pulse to generate and output a radio wave for level measurement;
A second antenna for transmitting the radio wave for level measurement to an observation target area;
A second reflection signal receiving unit for processing noise removal and intermediate frequency conversion of a reflection signal received through the second antenna;
A second signal processing unit for extracting a parameter including a received signal strength, a reflectivity, a distance to a water surface, or a combination thereof based on a signal received from the second reflected signal receiver; And
And a water level information calculation unit for calculating water level information of an observation target area based on the extracted variables. In the integrated measuring apparatus, a rainfall measuring step of generating radio waves for rainfall measurement through a rainfall measuring unit, sending out radio waves through the antenna, and calculating rainfall information based on a signal reflected by a target received by the antenna; And
And a water level measuring step of generating a radio wave for water level measurement through the water level measuring unit in the integrated measuring apparatus, sending the radio wave through an antenna, and calculating water level information based on a signal reflected by the water level received by the antenna,
Wherein the radio waves transmitted in the rain measuring step and the water level measuring step are K-band frequency bands, and the rain information and the water level information are simultaneously measured. The method of claim 7,
The integrated measurement method includes:
The integrated measuring apparatus compares the rainfall calculated in the rainfall measuring step with the water level calculated in the water level measuring step on the basis of the relationship between the rainfall and the water level stored in advance through the measurement information analyzing unit, And generates a driving control signal for changing the position of the antenna including an antenna sending angle, a direction or a combination thereof when the rising trend of the water level relative to the rainfall calculated in the measuring step exceeds a predetermined threshold value, An analysis step,
The analyzing step may further include analyzing an event occurrence factor for identifying an event occurrence factor for enlarging the measurement range based on the quality information measured by the quality measuring unit after the position of the antenna is changed Integrated measurement method. The method of claim 8,
The integrated measurement method includes:
An antenna position changing step of changing the position of the antenna based on the antenna drive control signal generated in the measurement information analysis step through the quality measurement unit; And
And a rainfall measuring step of radiating radio waves for rainfall measurement to the observation target area through the changed antenna through the antenna position changing step and calculating rainfall information based on the reflection signal received by the antenna . The method of claim 8,
The measurement information analysis step may include:
The measurement information analyzing unit refers to the rainfall information and the water level information of each observation target area provided from at least one or more other integrated measurement devices installed in an adjacent area to detect a specific delivery angle and directions for changing the antenna position of the rainfall measuring unit, Generating an antenna drive control signal including a combination of the antenna drive control signal and the antenna drive control signal, and outputting the generated antenna drive control signal to the rainfall measuring unit. The method of claim 7,
Wherein the step of measuring the amount of rain comprises:
A pulse generating step of generating a pulse for generating a radio wave for measuring rainfall through a first signal generator;
A radio wave generating step for radio wave measurement for modulating the generated pulse through a first radio wave transmitting unit to generate and output radio wave for measuring a good quality;
A radio wave radiating step for radiating the radio wave for good measurement to the observation target area through the first antenna;
A reflection signal reception step of processing noise elimination and intermediate frequency conversion of a reflection signal received from the first antenna through a first reflection signal reception unit;
A signal processing step of extracting a parameter including a reflectivity, a spectral width, a cross correlation coefficient, a differential reflectance, a differential phase difference, or a combination thereof from the signal processed in the reception step of the reflected signal through the first signal processing unit; And
And a quality information calculation step of calculating quality information of the observation target area through the quality information calculation unit based on the extracted variables,
Wherein the step of measuring the amount of rain comprises:
An antenna position changing unit for changing the position of the first antenna based on an antenna driving control signal including a sending angle, a direction, or a combination thereof input from a measuring information analyzing unit for confirming occurrence of an event for enlarging a measurement range of a good through an antenna driving unit Further comprising the steps of: The method of claim 7,
Wherein the water level measuring step comprises:
A pulse generating step of generating a pulse for generating a radio wave for level measurement through a second signal generator;
Generating a radio wave for water level measurement by modulating the generated pulse through a second radio wave transmission unit to generate and output a radio wave for level measurement;
A radio wave transmitting step for radiating the radio wave for level measurement to a target area through a second antenna;
A reflection signal reception step of processing noise elimination and intermediate frequency conversion of a reflection signal received from the second antenna through a second reflection signal reception unit;
A signal processing step of extracting a variable including a received signal strength, a reflectivity, a distance to a water surface, or a combination thereof from a signal processed in the reception step of the reflected signal through a second signal processing unit; And
And a water level information calculation step of calculating water level information of the observation target area through the water level information calculation unit based on the extracted variables.

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