KR20230019916A - A Mayday System for Detecting a Drowned Man and Alarming Using A Mobile Device - Google Patents

Abstract

The present invention relates to a drowning person detection and warning system using a wireless terminal. The drowning person detection and warning system using a wireless terminal includes: a portable signal transmitter (11) capable of transmitting wireless signals in real time; a wireless signal scanner (12) scanning a wireless signal transmitted from the portable signal transmitter (11); a terminal module (13) receiving a scan signal of the wireless signal scanner (12); and a drowning person checking module (14) checking the position of each crew member from the scan signal transmitted from the terminal module (13).

Description

A drowning person detection and alarm system using a wireless terminal {A Mayday System for Detecting a Drowned Man and Alarming Using A Mobile Device}

The present invention relates to a drowning person detection and warning system using a wireless terminal, and more specifically, to detect the location of a person on board a ship, such as a crew member or a passenger, in real time, to determine whether a distress situation has occurred, and to issue an alarm. It relates to a drowning person detection and warning system using a wireless terminal capable of generating a drowning person.

If a crew member's distress occurs while the ship is in operation or at anchor, it may be difficult to find it immediately depending on the size of the ship. When distress occurs during navigation, it is difficult to accurately determine the location of distress due to the operation of the ship, which makes it difficult for crew members to rescue. Even in the case of a fishing or fishing vessel, a similar problem may occur when a crew member is separated from the vessel and a distress situation occurs during the movement of the vessel. Patent Registration No. 10-1852770 discloses a method for detecting an accident ship and a drowning person. In addition, Patent Publication No. 10-2020-0052535 discloses a ship passenger distress detection system and method. This prior art or known art does not disclose a detection and warning system capable of immediately ascertaining the distress status of an identity in distress and proceeding with appropriate rescue operations accordingly.

The present invention is to solve the problems of the prior art and has the following object.

Prior art 1: Patent Registration No. 10-1852770 (Korea Institute of Ocean Science and Technology, 2018.04.27. Announcement) Accident ship and drowning person detection method using aerial hyperspectral imaging Prior Art 2: Patent Publication No. 10-2020-0052535 (Marine Techno Korea Co., Ltd., published on May 15, 2020) Passenger distress detection system and method for ships

An object of the present invention is to provide a drowning person detection and warning system using a wireless terminal that detects a signal transmitted from a wireless signal transmitter worn on each seafarer to determine whether or not the seafarer is in distress and the location of the seafarer so that rescue can be quickly performed. is to do

According to a preferred embodiment of the present invention, a drowning person detection and warning system using a wireless terminal includes a portable signal transmitter capable of transmitting a wireless signal in real time; a wireless signal scanner for scanning a wireless signal transmitted from a portable signal transmitter; A terminal module for receiving a scan signal of a wireless signal scanner; and an drowning person confirmation module for confirming the location of each crew member from the scan signal transmitted from the terminal module.

According to another preferred embodiment of the present invention, the wireless signal scanner is composed of receiving scanners disposed at different positions in the ship.

According to another preferred embodiment of the present invention, an alarm device for generating an alarm according to a confirmation result of the drowning person confirmation module is further included.

According to another preferred embodiment of the present invention, an automatic steering system for automatically controlling the navigation of a ship according to the occurrence of a distress situation is further included.

According to another preferred embodiment of the present invention, it further includes a rescue equipment control module that is operated according to the occurrence of a distress situation.

According to another preferred embodiment of the present invention, the drowning person confirmation module further includes a rescue request module for determining whether to transmit a distress situation to an external rescue agency.

A drowning person detection and warning system using a wireless terminal according to the present invention uses a wireless scanner with a small output installed in a ship to detect whether or not a crew member is in distress in real time. In addition, when a distress situation occurs, a visual or audible alarm such as a warning light or boat horn is immediately generated so that the distress situation is notified inside/outside the ship. The detection and warning system according to the present invention enables a rescue team to quickly respond by transmitting a distress signal to the land through a commercial communication network such as LTE or LTE-M in a situation where appropriate measures cannot be taken after distress detection. The system for detecting and warning a drowning person according to the present invention enables a rescuer to confirm the location of a distress occurrence by stopping the ship's engine immediately after recognizing the distress or by allowing the vessel to turn slowly at the location where the distress occurs. In addition, the detection and warning system according to the present invention drops a ladder or a buoy after recognizing distress so that the person in distress does not voluntarily get out of the situation or become a difficult situation. The detection and warning system according to the present invention can be applied to various types of ships and the present invention is not limited thereby.

1 illustrates an embodiment of a drowning person detection and warning system using a wireless terminal according to the present invention.
Figure 2 shows an embodiment of the operating structure of the detection and warning system according to the present invention.
3 illustrates an embodiment of a structure in which a distress signal is generated from the occurrence of distress in the detection and warning system according to the present invention.
4 illustrates an embodiment of a distress occurrence and a corresponding detection method in the detection and warning system according to the present invention.

Below, the present invention will be described in detail with reference to the embodiments presented in the accompanying drawings, but the embodiments are for a clear understanding of the present invention, and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so repeated descriptions are not made unless necessary for understanding the invention, and well-known components are briefly described or omitted, but the present invention It should not be understood as being excluded from the embodiment of.

1 illustrates an embodiment of a drowning person detection and warning system using a wireless terminal according to the present invention.

Referring to FIG. 1, a drowning person detection and warning system using a wireless terminal includes a portable signal transmitter 11 capable of transmitting wireless signals in real time; a wireless signal scanner 12 for scanning a wireless signal transmitted from the portable signal transmitter 11; a terminal module 13 receiving a scan signal of the wireless signal scanner 12; and an drowning person confirmation module 14 that checks the position of each crew member from the scan signal transmitted from the terminal module 13.

The portable signal transmitter 11 can be carried or worn by each sailor, and can transmit a radio signal of a predetermined frequency band. For example, the portable signal transmitter 11 may have a wireless communication chip structure that can be attached to a sailor's identification card, attached to a passenger's wrist, or carried in the form of a necklace. Each portable signal transmitter 11 can transmit a unique code and optionally transmit location information. For example, the portable signal transmitter 11 may be a beacon blue tooth module that periodically transmits signals. Each portable signal transmitter 11 can be pre-registered with the information of the person who carries it, and can be worn by all sailors aboard the ship. The portable signal transmitter 11 may have a structure suitable for the type of ship, and in the case of a large ship with a large number of people on board, each signal transmitter 11 has a unique identification code. Information about the signal transmitter 11 may be pre-registered and stored together with information about the person who carries the mobile phone. In contrast, in the case of a ship with one or a small number of people on board, it may not have a unique identification code or information about the signal transmitter 11 may not be registered in advance. The wireless signal scanner 12 may have a function of receiving signals transmitted from each signal transmitter 11, and a plurality of wireless signal scanners 12 may be installed in different locations of the ship. The signal transmitter 11 can transmit signals periodically, and the wireless signal scanner 12 can receive signals from various signal transmitters 11, and signals transmitted to one signal transmitter 11 are transmitted to different signals at the same time. It can be received by the wireless signal scanner 12. The wireless signal scanner 12 may be a wireless signal receiving means capable of receiving a signal transmitted at a short distance, such as a range of 0.1 to 10 m, and the receiving distance may be set variously according to the type of ship. . Depending on the type or size of the ship, at least the wireless signal scanner 12 may be disposed at different locations of the ship to receive signals transmitted from the portable signal transmitter 11. The signal of the signal transmitter 11 received by the wireless signal scanner 12 may be transmitted to the display terminal module 13 for ships. The display terminal module 13 may be connected to a navigation-related device of the ship, and may have a function of inputting a command for navigation based on information while displaying information necessary for navigation. The terminal module 13 may be connected wirelessly to the wireless signal scanner 12, but may be preferably wired. The terminal module 13 may transmit the signal of the signal transmitter 11 received by the wireless signal scanner 12 to the victim identification module 14 . The drowned person identification module 14 may have a function of determining whether distress has occurred by checking the radio signal of the signal transmitter 11 received by the terminal module 13 . The drowned person confirmation module 14 may be operated in various ways according to the type of ship, the size of the ship or the number of crew members, and may be connected to the display terminal module 13 . For example, in the case of a large-scale ship with a large number of people on board, the drowning person confirmation module 14 may have a registration database for each crew member and each signal transmitter 11, and is transmitted from the terminal module 13 Each signal can be compared with each source. If a signal corresponding to at least one crew member is not received, it may be determined that distress has occurred. In contrast, in the case of a ship with a small number of people on board or a single person ship that can visually check each other, the drowned person confirmation module 14 can only check whether different signals received or the number of signals and the number of crew members match. The drowned person confirmation module 14 can determine whether there is distress by checking the signal of the signal transmitter 11 received in various ways, and is not limited to the presented embodiment. When it is determined that a person in distress has occurred by the drowned person confirmation module 14 , a distress occurrence situation may be transmitted to the management module 15 . When a distress situation occurs, the management module 15 may respond according to a predetermined procedure. For example, the management module 15 may determine a location in distress based on the information identified by the drowned person identification module 14 and determine whether to operate the rescue action module 17 . In addition, it can decide whether to adjust the ship's navigation method or to request an external rescue. When it is determined that a distress situation has occurred by the drowned person confirmation module 14, an alarm may be generated by the alarm module, and the alarm may be made in various ways such as voice broadcasting, distress alarm, or alarm operation. A rescue action may be initiated by the rescue action module 17 with the occurrence of an alert.

The operation of the management module 15 or the alarm generating module 16 may be appropriately determined according to the size of the ship. For example, in the case of a large ship, when it is determined that distress has occurred, the management module 15 may check the location of the ship in distress and transmit location information to a ship navigating around or to a land rescue center. In addition, the operational state of the ship can be appropriately adjusted according to the distress situation. In contrast, in the case of a small ship, when a distress situation is generated by the drowning person confirmation module 14, the management module 15 can automatically control the operation of the ship. For example, when a distress situation occurs, the coordinates of the distress position are checked, and the navigation direction of the ship is changed to slowly approach the distress position. Alternatively, when the distress position is confirmed, the ship may be operated by slowly turning by determining a radius based on the distress position. When such a distress situation occurs, the operation of the ship can be adjusted in various ways according to the type of the ship, and is not limited to the presented embodiment. Although disclosed separately for convenience of description in the presented embodiment, the victim identification module 14 or the management module 15 may be included in the exhibition terminal module 13, and the present invention is not limited by the structure of the system.

Figure 2 shows an embodiment of the operating structure of the detection and warning system according to the present invention.

Referring to FIG. 2, the wireless signal scanner 12 is composed of receiving scanners 121 to 12k disposed at different positions in the ship. The ship 20 may have various structures, and the present invention is not limited by the size of the ship 20 or the number of crew members P. Each of the crew members P1 to PN may carry or carry the signal transmitters 11_1 to 11_n, respectively, and each crew member P1 to PN may be located in various places of the ship 20. A plurality of receiving scanners 121 to 12k may be placed in various positions of the ship 20, and each receiving scanner 121 to 12k may communicate with the terminal module 13 wirelessly or wired (L1 to LN). can be connected to The distance between the different receiving scanners 121 to 12k may be determined by the radio signal transmission distance of the signal transmitter 11, and the plurality of receiving scanners 121 to 12k may be determined by the signal transmitter 11 of the ship 20 at random. When located at the position of the signal transmitter 11 may be received by at least one receiving scanner (121 to 12k). When a plurality of signal transmitters 11 are located inside the ship 20, each signal transmitted from each signal transmitter 11 can be identified. Each signal transmitter 11 may periodically transmit a radio signal, and signals received by each receiving scanner 121 to 12k may be transmitted to the terminal module 13 . The terminal module 13 may be disposed in the navigation management space 21, such as a navigation room, and may be connected to various management facilities, navigation facilities, or control facilities related to the navigation of the ship 20. The terminal module 13 may receive a signal from the signal transmitter 11 in real time to check a distress situation. Whether a distress situation has occurred can be confirmed by the drowned person confirmation module 14 connected to the terminal module 13, and if a distress situation has occurred, a corresponding action can be taken. The receiving scanners 121 to 12k may be installed in various locations to receive signals from the signal transmitter 11, and depending on the installation location of the receiving scanners 121 to 12k or a connection method with the terminal module 13, the present invention Not limited.

3 illustrates an embodiment of a structure in which a distress signal is generated from the occurrence of distress in the detection and warning system according to the present invention.

Referring to FIG. 3 , the ship display terminal device 13 may include a crew member register 33, and the ID of the signal transmitter 11 may be input to the terminal device 13 using the crew member register 33. there is. When a drowning person occurs, information on the drowning person can be identified through the input crew member information. At this time, the stored crew member information may be directly stored in the terminal device 13, or a database may be separately installed and stored according to circumstances.

The detection and warning system may further include an alarm device 35 generating an alarm according to a result of the confirmation of the drowning person confirmation module 14 . In addition, the detection and warning system may further include an automatic steering system 36 that automatically controls the navigation of the ship according to the occurrence of a distress situation. Alternatively, the detection and warning system may further include a rescue equipment control module 37 operated according to the occurrence of a distress situation. In addition, the drowning person confirmation module 14 may further include a rescue request module 32 that determines whether to transmit a distress situation to an external rescue agency.

The signal transmitters 11_1 to 11_n carried or carried by each source P1 to PN may be movable, and the position of each source P1 to PN may change to various positions, and the wireless signal scanner (12) can receive signals transmitted from signal transmitters 11_1 to 11_n located in different places. As described above, wireless signals may be received by a plurality of receiving scanners 121 to 12k, and each receiving scanner 121 to 12k may be installed at a predetermined location. Therefore, the position of each source (P1 to PN) can be confirmed according to the position where the radio signal of each signal transmitter (11_1 to 11_n) is received. Optionally, the receiving scanners 121 to 12k may include a GPS module 31 or be connected to the GPS module 31 to receive location information in real time. In addition, the signal received from the signal transmitter 11 may be combined with GPS information and transmitted to the terminal module 13 . As described above, whether or not a distress situation has occurred can be determined based on the signal received by the terminal module 13 . The rescue request module 32 may be connected to or included in the terminal module 13 . When a distress situation occurs, the distress situation may be transmitted through the rescue request module 32 immediately or after a specific determination of the distress situation is made. For example, a long-distance wireless communication means may be installed in the terminal module 13 or in the ship management module, and the rescue request module 32 uses a remote communication network (CN) such as an LTE network, an M-LTE network or other appropriate communication networks. Through this, distress situations and rescue requests can be transmitted. The distress situation may be transmitted to other ships operating in nearby waters or to a land rescue team, and the distress time, estimated distress location, or various information necessary for rescue may be transmitted together. When a distress situation occurs, the alarm device 35 may be operated to generate an alarm, and for example, a warning light 351 may be operated or a sound generating unit 352 such as a boat horn may be operated. Optionally, the automatic steering system 36 may be activated to automatically set the navigational state of the vessel. The automatic steering system 36 can be usefully applied to passengers with only one person or a small number of people on board. For example, in the case of a small ship, the ship may be automatically moved to an area where distress occurs, or the ship may be operated automatically so that the ship slowly turns around the area where distress occurs. The automatic steering system 36 may be interlocked with the terminal module 13 in various ways and is not limited to the presented embodiment.

When a distress situation occurs, the rescue equipment control facility 37 can be operated. For example, lifesaving devices 371 and 372 such as ladders or lifebuoys may be thrown into the estimated distress area, and a distress area indicator 373 such as a buoy indicating that the area is in distress may be installed. Various rescue means may be operated to perform rescue activities or search activities for persons in distress, and the present embodiment is not limited thereto.

4 illustrates an embodiment of a distress occurrence and a corresponding detection method in the detection and warning system according to the present invention.

Referring to FIG. 4, a method for detecting a distress situation and responding thereto includes the steps of attaching or possessing a means for periodically transmitting a radio signal to a crew member or passenger, and creating a database accordingly (P41); Checking whether each seafarer has a wireless transmitter (P42); Receiving and detecting a signal transmitted from a wireless signal transmitter possessed by each crew member by, for example, a wireless scanner having a small output disposed at various locations on the ship (P43); The detected signal is processed by a signal processing device such as a terminal device that receives and processes signals received from a plurality of wireless scanners to match the detected signal with the source (P44); Determining whether there is a missing signal according to the matching result (P46); According to the determination result, if there is no missing signal (NO), continuously detecting a periodically transmitted signal (P43), and otherwise, if there is a missing signal (YES), the final signal is searched to confirm the final reception position (P47) ; When the final location is confirmed, generating an alarm notifying distress along with it (P48); Standing by for rescue of a drowning person according to the occurrence of an alarm, and controlling operation accordingly (P49); A search activity of the person in distress is initiated according to the confirmation of the distress location and the distress information is transmitted to the outside through wireless communication (P51); As a result of the search, if the person in distress is confirmed (NO), the situation is checked (P54), and if the status is unconfirmed (YES), information is transmitted to various external rescue facilities to request a rescue (P52); and a step in which rescue activities continue (P53). After that, it may be a situation check as to whether a drowned person has been found (P54).

As described above, the occurrence of distress and the corresponding detection method can be applied to ships having various sizes, and when a distress situation occurs according to the type or use of the ship (P48), the operation of the ship can be appropriately adjusted. The distress notification (P48) or the rescue operation (P53) may be performed in various ways, and the present invention is not limited thereby.

Although the present invention has been described in detail with reference to the presented embodiments above, those skilled in the art will be able to make various modifications and variations without departing from the technical spirit of the present invention with reference to the presented embodiments. . The present invention is not limited by these variations and modifications, but is limited only by the claims appended below.

11: signal transmitter 12: wireless signal scanner
13: terminal module 14: drowning person confirmation module
15: management module 17: rescue activity module
20: vessel 21: operation management space
32: rescue request module 33: crew register
35: alarm device 36: automatic steering system
37: rescue equipment control module 121 to 12k: receiving scanner

Claims (3)

A portable signal transmitter 11 including a beacon blue tooth module capable of transmitting wireless signals in real time and periodically emitting signals;
a wireless signal scanner 12 for scanning a wireless signal transmitted from the portable signal transmitter 11;
a terminal module 13 receiving a scan signal of the wireless signal scanner 12;
an drowning person confirmation module 14 for checking the location of each crew member from the scan signal transmitted from the terminal module 13; and
An alarm device 35 generating an alarm according to the confirmation result of the drowning person confirmation module 14,
The wireless signal scanner 12 is composed of a plurality of receiving scanners 121 to 12k disposed at different locations in the ship, each receiving scanner 121 to 12k includes a GPS module, and each receiving scanner ( 121 to 12k) is combined with GPS information and transmitted to the terminal module (13). The drowning person detection and warning system according to claim 1, further comprising a rescue equipment control module (37) that is operated according to the occurrence of a distress situation. The drowned person detection and warning system according to claim 1, wherein the drowned person confirmation module (14) further includes a rescue request module (32) for determining whether to transmit a distress situation to an external rescue agency.

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