KR101514407B1 - Real time sea observation system - Google Patents

Real time sea observation system Download PDF

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Publication number
KR101514407B1
KR101514407B1 KR1020140027036A KR20140027036A KR101514407B1 KR 101514407 B1 KR101514407 B1 KR 101514407B1 KR 1020140027036 A KR1020140027036 A KR 1020140027036A KR 20140027036 A KR20140027036 A KR 20140027036A KR 101514407 B1 KR101514407 B1 KR 101514407B1
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South Korea
Prior art keywords
information
water
monitoring means
unit
sensor
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KR1020140027036A
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Korean (ko)
Inventor
최복경
김병남
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한국해양과학기술원
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
    • G01S13/862—Combination of radar systems with sonar systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/87—Combinations of sonar systems

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The present invention relates to a real-time sea observation system, comprising: an underwater monitoring means which is installed in an area to be observed to detect noises under water; an on- water monitoring means to detect moving object information and a moving route on the water through one or more buoys, radar, and automatic identification systems (AIS) which are installed on the water along the area to be observed; and a control means to receive the information obtained by the underwater monitoring means and the on-water monitoring means, wherein the control means compares noise generation information obtained by the underwater monitoring means, the moving object information and the moving route that are obtained from the on-water monitoring means to observe moving object information under or on the water in the area to be observed and sea environment information of the corresponding area, thereby obtaining reliable observation results by collecting various information obtained under or on the water and by analyzing the observation information on a regional basis beyond the observation information on a point basis by observation equipment located under or on the water in the sea to be observed.

Description

REAL TIME SEA OBSERVATION SYSTEM

The present invention relates to a real-time sea area observation system.

Sonar detection means are widely used as the most effective method for detecting marine aquatic and underwater targets. As a means of detecting such sound waves, a hydrophone is utilized, and dozens to hundreds of hydrophones are arranged at regular intervals in order to distinguish between the increase of detection distance and the transmission direction of sound waves.

Line array acoustic sensors are divided into two types according to the way they are operated. The fact that many hydrophones are linearly arranged at regular intervals is the same for both dolls and underwater installations.

In the case of the dolls, when the airstrip array acoustic sensor is suspended at a certain speed using a towed cable at the end of the airstrip, the linear array acoustic sensor detects the sound waves while being towed at a certain depth. On the other hand, in the undersea type, the linear array acoustic sensor detects the sound wave in a state where it is installed straight on the bottom floor.

Currently, the meteorological network of the Korea Meteorological Administration, the earthquake network of the Korea Institute of Geoscience and Mineral Resources, and the coastal tidal observation network of the oceanographic research institute are mainly located on land and coastal areas. These observation networks are limited to point- And Korean Patent Laid-Open Nos. 10-2010-0048649 and 10-2012-0003326 have been cited as prior arts for the aforementioned observation technique or observation equipment.

However, the prior art has a problem in that it can not reliably perform real-time marine environment monitoring, marine and underwater mobile monitoring in a regional area, and therefore, the change of the marine environment at a major marine base in the territorial waters It is required to develop a technique capable of observing in real time.

The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide an apparatus and a method for acquiring observation information in the form of a point by an observation equipment located in water or an aquarium in an observation target sea area, And analyzing the collected information as regional type observation information, thereby realizing a reliable observation result.

The object is achieved by an underwater monitoring means installed in an observation target area and detecting noise generated in water according to the present invention; An anomaly monitoring means for detecting a moving object information and a moving route of the aquarium through a buoy and a radar installed in the aquarium along the observation target area and an AIS (Automatic Identification System); And a control means for receiving information obtained from the underwater monitoring means and the water monitoring means, wherein the control means controls the underwater noise generation information obtained from the underwater monitoring means, the moving object information obtained by the water monitoring means, And can be accomplished by a real-time sea observation system that observes the moving object information of the aquatic or aquatic environment and the marine environment information of the corresponding area within the observation target area.

Here, the underwater monitoring means may include a sensor unit installed or embedded in the seabed of the observation target region to sense an acoustic signal in the water, A sensor connection unit for converting information sensed by the sensor unit into an optical signal; An optical cable unit connected to the sensor connection body for communicating the converted optical signal and providing a power supply path to the sensor unit and the sensor connection body; And a signal processing unit installed on the ground for receiving the optical signal transmitted from the optical cable unit and supplying power to the sensor unit and the sensor connection unit and transmitting the acquired information to the control unit.

In addition, the sensor unit may include an underwater listening unit disposed at a predetermined interval in a cable-type housing, for sensing background noise in the water and analogue acoustic signals radiated from the target and converting the acoustic signals into electrical signals; A preamplifier section for amplifying a signal converted from the hydrophone part, correcting noise, and preventing distortion; And a signal transmission portion that is sensed from the hydrophone portion and transmits an electrical signal processed from the preamplifier portion to the sensor connection housing portion via a node at a subsequent stage.

Here, the sensor connection receiving unit performs mutual conversion between the electrical signal and the optical signal so as to transmit and receive the sensing signal of the sensor unit, the control signal from the signal processing unit, and the control means through the optical cable unit.

The water monitoring means may include at least one water monitoring unit arranged at regular intervals along the observation target area and corresponding to a vertical water surface of a point or an area where the sensor unit is installed. The water monitoring unit measures a water temperature, a flow velocity, A buoy detecting in real time; Radar and AIS, which detect the information of vessels located and moving in the sea area; And an information processing unit for receiving the information transmitted from the buoy, the radar and the AIS, and transmitting the received information to the control means.

Here, the subsystem includes an inner direction sensor and a buoy position monitor, and further includes a communication module for transmitting the information obtained from the inner direction sensor and the buoy position monitor to the information processing unit or the control means.

According to the present invention, various information obtained from the water or the aquarium is collected by crossing observation information in the form of a point by the observation equipment located in the water of the observation target sea area or in the aquarium, By analyzing, reliable observation results can be obtained.

1 is a block diagram of a real-time sea observation system according to the present invention.
2 is a schematic view showing a state in which a real-time sea observation system according to the present invention is installed.

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

Prior to this, the terms used in the specification and claims should not be construed in a dictionary sense, and the inventor may, on the principle that the concept of a term can be properly defined in order to explain its invention in the best way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.

Therefore, the embodiments shown in the present specification and the drawings are only exemplary embodiments of the present invention, and not all of the technical ideas of the present invention are presented. Therefore, various equivalents It should be understood that water and variations may exist.

FIG. 1 is a block diagram of a real-time sea area observation system according to the present invention, and FIG. 2 is a schematic view showing a state in which a real-time sea area observation system according to the present invention is installed.

Referring to FIGS. 1 and 2, a real-time sea observation system according to the present invention includes an underwater monitoring means 100, a water monitoring means 200, and a control means 300.

Here, the underwater monitoring means 100 is installed in an observation target area and performs a role of detecting noise generated in the water.

Specifically, the underwater monitoring means 100 includes a sensor unit 10, a sensor connection body unit 20, an optical cable unit 30, and a signal processing unit 40.

The sensor unit 10 is installed or embedded in the seabed of a region to be observed, and is configured to detect an acoustic signal in the water. The sensor unit 10 includes an underwater sound portion, a pre-amplification portion, and a signal transmission portion.

Herein, the underwater hearing portion is arranged at a predetermined interval in a cable-type housing, and detects background noise in the water and an analog type acoustic signal radiated from the target, and converts the acoustic signal into an electrical signal.

In addition, the pre-amplification section performs amplification of a signal converted from the hydrophone part, noise correction, and distortion prevention. More specifically, the pre-amplification section includes a low noise amplifier, a sea noise correction (SNC) Pass filter that limits the band of the input signal to a predetermined range in order to prevent distortion due to superposition phenomenon that may occur in conversion. In order to confirm the electrical characteristics of the sensor unit 10, an external (control means) A test signal input circuit capable of receiving an applied test signal, and the like.

In addition, the signal transmission portion transmits an electrical signal sensed from the hydrophone portion and processed from the pre-amplification portion to the sensor connection body portion 20 through a node (rear sensor portion) Specifically, the processed electrical signal is amplified according to an AGC (Auto Gain Control) signal transmitted from the signal processing unit 40, converted into a digital signal for node transmission, data is transmitted to an assigned channel, do.

The sensor connection body unit 20 is configured to mechanically, optically, and electrically connect the optical cable unit 30 including the power supply function required for the optical signal transmission and the sensor unit 10 and the sensor unit 10 , Power supply to the sensor unit (10), and information converted by the sensor unit (10) into optical signals.

The optical cable unit 30 is connected to the sensor connection body unit 20 and provides a power supply path to the sensor unit 10 and the sensor connection body unit 20 for communication of the converted optical signal, , Torsion, tensile force, lateral pressure, bending, abrasion, etc. which may occur during the installation, burial, recovery and re-installation of external forces such as temperature and environment.

The signal processing unit 40 is installed on the ground and connected to the optical cable unit 30 to supply power to the sensor unit 10 and the sensor connection unit 20 for receiving optical signals transmitted from the optical cable unit 30, And transmits the acquired information to the control means (300).

The water monitoring means 200 includes a buoy 110 and a radar, an automatic identification system (AIS) 120, and an information processing unit 130, It detects the path.

Here, the buoys 110 are arranged in correspondence with the vertical water surface of the spot or area where the sensor unit 10 is installed, at least one at a certain interval along the observation target area, and the water temperature, the flow velocity, , And blue in real time.

The information processing unit 130 receives information transmitted from the buoy 110, the radar, and the AIS 120. The information processing unit 130 receives the information transmitted from the radar and the AIS 120, And transmits it to the control means 300.

The buoy 110 includes an internal direction sensor and a buoy position monitor and includes a satellite communication module for transmitting information obtained from the internal direction sensor and the buoy position monitor to the information processing unit 130 or the control means 300 (Not shown).

The control means 300 receives the information obtained from the underwater monitoring means 100 and the water monitoring means 200 and analyzes and monitors the information. More specifically, The noise generation information is compared with the moving object information and the movement route obtained by the water monitoring means 200 to observe the moving object information of the water or aquarium and the marine environment information of the corresponding region in the observation object region.

That is, when there is a ship or a moving object moving in a sea area in the observation range, the underwater monitoring means 100 acquires noise information generated by the movement, and the buoy 110 of the aquarium monitoring means 200, the radar and the AIS 120 and the moving path information of the moving object, information on the moving object moving along the sea and moving path information can be obtained in real time.

Particularly, when there is no information sensed from the water monitoring means 200 and information sensed by the underwater monitoring means 100 is transmitted, the control means 300 determines that a moving object (such as a submersible) , And this information can be used as important information in defense.

Therefore, the real-time sea-area observation system according to the present invention is capable of collecting various information obtained from the water or the aquarium beyond the observation information of the point type by the observation equipment located in the water of the observation target sea area or the aquarium, Regional) type of observation information, it is possible to obtain reliable observation results.

While the present invention has been described with reference to the exemplary embodiments and the drawings, it is to be understood that the technical scope of the present invention is not limited to these embodiments and that various changes and modifications will be apparent to those skilled in the art. Various modifications and variations may be made without departing from the scope of the appended claims.

Description of the Related Art [0002]
100: Underwater monitoring means
10: sensor part 20: sensor connection part body part
30: Optical cable section 40: Signal processing section
200: Water monitoring means
110: Boo
120: Radar and AIS
130: Information processor
300: control means

Claims (6)

An underwater monitoring means installed in an observation target area for sensing noise generated in the water;
An anomaly monitoring means for detecting a moving object information and a moving route of the aquarium through a buoy and a radar installed in the aquarium along the observation target area and an AIS (Automatic Identification System); And
And control means for receiving the information obtained by the underwater monitoring means and the water monitoring means,
Wherein the control means compares the underwater noise occurrence information obtained from the underwater monitoring means with the moving object information and the moving route acquired by the aquarium monitoring means to obtain moving object information of the aquatic or aquatic environment and marine environment information of the corresponding area And observing,
Wherein the underwater monitoring means comprises:
A sensor unit installed or embedded in the seabed of the observation target area to sense an acoustic signal in the water;
A sensor connection unit for converting information sensed by the sensor unit into an optical signal;
An optical cable unit connected to the sensor connection body for communicating the converted optical signal and providing a power supply path to the sensor unit and the sensor connection body; And
And a signal processing unit installed on the ground for receiving optical signals transmitted from the optical cable unit and supplying power to the sensor unit and the sensor connection unit and transmitting the acquired information to the control unit,
The sensor unit includes:
An underwater listening part which is arranged at a predetermined interval in a cable type housing and detects background noise in the water and analogue acoustic signals radiated from the target and converts the acoustic signals into electric signals;
A preamplifier section for amplifying a signal converted from the hydrophone part, correcting noise, and preventing distortion; And
And a signal transmission portion which is sensed from the hydrophone portion and transmits an electrical signal processed from the preamplifier portion to the sensor connection housing portion via a node at a subsequent stage,
The water-
A buoy which is disposed in correspondence with a vertical water surface of a point or an area where the sensor unit is installed and is arranged at a predetermined interval along the observation target area and detects a change in water temperature and flow rate of the water surface area, wind direction, wind speed and wave in real time;
Radar and AIS, which detect the information of vessels located and moving in the sea area;
And an information processing unit for receiving the information transmitted from the buoy, the radar, and the AIS and transmitting the received information to the control means
Real time sea observation system. delete delete The method according to claim 1,
Wherein the sensor connection housing unit performs mutual conversion between an electrical signal and an optical signal in order to transmit and receive a sensing signal of the sensor unit, a control signal from the signal processing unit and the control means through the optical cable unit,
Real time sea observation system. delete The method according to claim 1,
Wherein the subsystem further comprises an internal direction sensor and a buoy position monitor and further comprises a communication module for transmitting information obtained from the internal direction sensor and the buoy position monitor to the information processing unit or the control means
Real time sea observation system.
KR1020140027036A 2014-03-07 2014-03-07 Real time sea observation system KR101514407B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101882483B1 (en) 2018-01-24 2018-07-27 엘아이지넥스원 주식회사 Apparatus and method for detecting obstacle by unmanned surface vessel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002250766A (en) * 2001-02-22 2002-09-06 Nec Corp Method and system for underwater towed body position measurement
KR20080019992A (en) * 2006-08-30 2008-03-05 양돈영 Real time underwater live image service system
KR20120003326A (en) * 2010-07-02 2012-01-10 국방과학연구소 Underwater acoustic sensor and line array acoustic sensor system having the same
KR20120062595A (en) * 2010-12-06 2012-06-14 강릉원주대학교산학협력단 System for monitoring of underwater environment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002250766A (en) * 2001-02-22 2002-09-06 Nec Corp Method and system for underwater towed body position measurement
KR20080019992A (en) * 2006-08-30 2008-03-05 양돈영 Real time underwater live image service system
KR20120003326A (en) * 2010-07-02 2012-01-10 국방과학연구소 Underwater acoustic sensor and line array acoustic sensor system having the same
KR20120062595A (en) * 2010-12-06 2012-06-14 강릉원주대학교산학협력단 System for monitoring of underwater environment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101882483B1 (en) 2018-01-24 2018-07-27 엘아이지넥스원 주식회사 Apparatus and method for detecting obstacle by unmanned surface vessel

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