JPH115594A - Drowning person position detecting system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drowning person position detecting system capable of quickly and accurately detect a position of a drowning person. SOLUTION: A system is constituted of an acoustic wave transmitter 11 provided in a drowning person M and a supervisory device 13 having an acoustic wave receiver 12 receiving an acoustic wave signal from this acoustic wave transmitter 11, and constituted so as to transmit an acoustic wave signal in the case of immersing the acoustic wave transmitter 11 in the seawater. This acoustic wave signal is received in a plurality of points, and by deciding the transmitting position, the position of the drowning person M is accurately detected.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for detecting the position of a water sick person who can detect the position of a water sick person.

[0002]

2. Description of the Related Art Conventionally, in order to prevent a ship worker, a submarine worker or a person engaged in marine leisure from getting into distress, an observer or the like monitors the situation visually or using a telescope.

[0003]

The above-mentioned visual monitoring by the observer has a problem in that it is not always possible to quickly and accurately find a water sick person.

Accordingly, an object of the present invention is to provide a system for detecting the position of a water sick person that can quickly and accurately detect the position of a water sick person.

[0005]

Means for Solving the Problems In order to solve the above-mentioned problems, a first means of the present invention is to provide a sound wave transmitter provided for a person suffering from water shortage and a sound wave receiver for receiving a sound wave signal from the sound wave transmitter. And a monitoring device having a vessel, and wherein the sound wave transmitter emits a sound wave signal when immersed in water.

The second means of the present invention comprises a sound wave transmitter provided for a diver and a monitoring device having a sound wave receiver for receiving a sound wave signal from the sound wave transmitter. When the air pressure in the person's air cylinder falls below a predetermined value or when instructed by a diver, the sound wave transmitter transmits a predetermined sound signal from the sound wave transmitter. is there.

Further, a third means of the present invention comprises a radio wave transmitter provided for a person suffering from water shortage and a monitoring device having a radio wave receiver for receiving a radio signal from the radio wave transmitter. This is a water stricken person position detection system configured to transmit a predetermined radio signal from the radio transmitter when the radio transmitter is immersed in water.

A fourth means of the present invention comprises a radio transmitter provided for a diver and a monitoring device having a radio receiver for receiving a radio signal from the radio transmitter. When the air pressure in the person's air cylinder falls below a predetermined value or when instructed by a diver, the radio wave transmitter transmits a predetermined radio signal to the position detection system for a person suffering from water shortage. is there.

A fifth means of the present invention is a container provided for a person who suffers from water sickness and filled with a colored substance, and a plug member provided in the container and capable of opening an opening for discharging the colored substance. This is a system for detecting the position of a water sick person.

Further, a sixth means of the present invention is a container provided for a diver and filled with a colored substance, and a plug member capable of opening an opening for discharging the colored substance provided in the container. And the plug member is configured to perform the opening operation when the air pressure in the air cylinder of the diver falls below a predetermined value or when instructed by the diver. It is a detection system.

According to the configuration of each of the position detection systems,
Equipped with a sound wave or radio wave transmitter or a container filled with a colored liquid substance for a person with difficulty in water or a diver, emits sound waves or radio waves when a distress occurs, or emits a colored substance onto the sea surface As a result, the position of a person who has difficulty in water detection can be quickly and accurately detected.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A water shortage person position detecting system according to a first embodiment of the present invention will be described below with reference to FIG.

In the present embodiment, on the water surface (hereinafter, in the present description, it will be described as on the sea surface,
Of course, it can also be applied to lakes, etc.) When a ship operator falls (falls) on the sea surface, a position detection system that can quickly detect the position of the person who falls (hereinafter referred to as a water difficult person). Will be described.

As shown in FIG. 1, this detection system 1
Is a sound wave transmitter 11 carried by the water sick person M and transmitting a predetermined sound wave signal, and a sound wave receiver (for example, a system such as a sonar is used) 12 provided on the ship S side 12
The sound wave transmitter 11 is configured so as to automatically transmit a predetermined sound wave signal when the person with difficulty in water M, that is, the sound wave transmitter 11 is immersed in seawater (water). Have been.

That is, the operating circuit of the sound wave transmitter 11 uses a seawater sensor that operates when immersed in seawater, for example, a breaker for detecting electric leakage (of course, a special detection sensor that emits a signal when it comes into contact with a liquid such as seawater). May be inserted).

The monitoring device 13 receives a received signal from the sound wave transmitter 12 and performs a predetermined calculation, that is, a calculation processing unit (not shown, for detecting the occurrence of distress and calculating the position of the water-stricken person M). For example, a microcomputer).

Accordingly, when the worker carrying the sound wave transmitter 11 falls on the sea surface, the seawater sensor is activated immediately, the operation circuit is closed, and a predetermined sound wave signal is transmitted from the sound wave transmitter 11. .

This sound wave signal is received by a plurality of sound wave receivers 12 (only one is shown in the drawing, for example, two are provided) provided on the ship S side, and the monitoring device 1
The information is input to an arithmetic processing unit (not shown) of No. 3 and the occurrence of distress and the position of the worker, i.e., the water refugee M, are immediately calculated and transmitted to the supervisor.

Although the sound wave receivers 12 are provided at a plurality of locations on the ship S for detecting the position of the water sick person M, for example, when only one sound wave receiver 12 is provided, the movement of the ship S By detecting sound wave signals at multiple locations according to
The position of the water refugee M can be specified (for example, the intersection of two circles whose radius is the distance detected at two places).

As described above, since the water sick person M is provided with the sound wave transmitter 11 and the sound wave signal transmitted from the sound wave transmitter 11 is received by the ship S and its position is detected, The position of the person S can be quickly and accurately known.

Next, a system for detecting the position of a water sick person according to a second embodiment of the present invention will be described with reference to FIG. While the sound wave position detection system of the first embodiment uses sound waves, the second embodiment uses radio waves.

That is, as shown in FIG. 2, the position detecting system 21 includes a radio wave transmitter 31 carried by the water refugee M and transmitting a predetermined radio signal, and a radio wave receiver 32 provided on the ship S side. And an arithmetic processing unit (for example, composed of a microcomputer or the like) for performing a predetermined calculation based on the reception signal received by the radio wave receiver 32, that is, detection of occurrence of distress and calculation of the position of the water refugee M. And a monitoring device 33, and the radio wave transmitter 31 is provided when the water refugee M is immersed in seawater.
It is configured to automatically transmit a predetermined radio signal.

That is, as in the first embodiment, the operation circuit of the radio wave transmitter 31 includes a seawater sensor that operates when immersed in seawater, for example, a leak detection breaker (of course,
(A special detection sensor that emits a signal when it comes into contact with a liquid such as seawater may be used).

Therefore, when the worker carrying the radio wave transmitter 31 falls on the sea surface, the operation circuit is immediately closed by a signal from the seawater sensor, and the radio wave transmitter 3 is closed.
1 transmits a predetermined radio signal.

This radio signal is received by a plurality of radio receivers 32 provided on the ship S side, and the received signal is input to the arithmetic processing unit of the monitoring device 33 to generate the distress and The position is calculated and transmitted to the observer.

Although the radio receivers 32 are provided at a plurality of locations on the ship S for detecting the position of the water refugee M, as described in the first embodiment, the radio receivers 32 are connected to one another. Alternatively, the position of the water refugee M may be specified by detecting the radio wave signals at a plurality of locations and detecting the radio signal at a plurality of locations.

This system for detecting the position of a water sick person can quickly and accurately know the position of a water sick person, as in the first embodiment. Next, a water sick person position detection system according to a third embodiment of the present invention will be described with reference to FIG.

Although the sound wave or radio wave is used in the water sick person position detecting system in each of the above embodiments, the third embodiment uses a colored substance, for example, a colored liquid.

That is, as shown in FIG. 3, the position detecting system 41 includes a liquid container 51 carried by a person suffering from water difficulty M and filled with a colored liquid L (for example, a paint to which a fluorescent substance is added), and And a plug member (not shown) capable of opening an opening for discharging a colored liquid provided in the container 51. The opening operation of the plug member is performed by, for example, a seawater sensor as described in the above embodiment. In addition, the plug member itself may be made of a material that is naturally soluble in seawater (water) (a water-soluble substance that can be dissolved within 2 to 3 minutes is used, for example, a material that is used for a medicinal capsule, , Glue, gelatin etc. can be used)
The colored liquid may be automatically released when the water falls.

Therefore, the worker who has fallen on the sea surface, that is, the water refugee M, carries the liquid container 51, and at the same time as the water falls, the stopper member of the liquid container 51 is opened and the colored liquid L is placed on the sea surface. It flows out and spreads out in a band.

As described above, since the colored liquid L spread in a strip shape on the sea surface is easy to find, it is possible to quickly and easily find the water sick person M. As described above, by adding a fluorescent substance to the colored liquid, even when distress occurs at night, the substance emits light, which facilitates discovery.

In each of the above embodiments,
Although the case of searching for a person who is falling on the sea surface and drifting has been described, as a fourth embodiment, a position detection system in the event that a person diving in the sea, such as a diver, has a problem, This will be described with reference to the drawings.

In this case, as shown in FIG. 4, in order to detect the occurrence of distress, the detection is performed based on the amount of air in the air cylinder 61 carried by the diver M. That is, when the amount of remaining air decreases, the air pressure naturally decreases, and this pressure decrease is detected by a pressure gauge.

Specifically, when the amount of air in the air cylinder 61 decreases, a predetermined sound wave signal is transmitted from the sound wave transmitter 11 by the detection signal of the pressure gauge, as in the first embodiment. The position of the person M who is diving (a person who dives) can be quickly and accurately detected.

Further, similarly to the second and third embodiments, the radio wave transmitter may be operated by the detection signal of the pressure gauge, and the colored liquid is filled by the detection signal of the pressure gauge. The stopper member of the liquid container may be opened.

In each of the above embodiments,
Although the transmission of each signal and the opening of the plug member are performed by the seawater sensor, for example, the operation circuit may be performed by an electromotive member that generates electricity by a chemical reaction or the like when immersed in seawater.

In each of the above embodiments, the transmission of each signal and the opening of the plug member are described as being automatically performed by being immersed in seawater. For example, an open / close switch is provided in the operation circuit. When distress occurs,
You may make it perform by the closing operation | movement (instruction) of a switch by operation of the water sick person himself. Of course, both automatic and manual switches can be used.

Furthermore, in each of the above embodiments, a colored liquid is used as a colored substance, but a solid substance such as a colored powder or a paint soluble in seawater (water) can also be used.

In addition, by combining the above-described system for detecting the position of a water refugee with a monitoring system for monitoring the presence or absence of a water refugee, the position of the water refugee can be detected more quickly and accurately. By using together, the water sick person can be rescued quickly.

For example, as a monitoring system, a radio wave signal transmitted from a radio wave transmitter carried by a dropper is included in a received signal to determine whether an operator on a ship has dropped on the sea surface. By detecting the distance to the person falling down by using the pulse signal that has been detected, it is detected whether or not a distress has occurred.

Therefore, in this monitoring system,
When it is detected that distress has occurred, the position detection system according to the present invention can accurately detect the position of a person who has fallen, that is, a person who has suffered water.

Further, as a rescue support system for water sick persons,
Emergency maneuvering equipment will automatically move the ship to the point where the wreck is drifting when the wreck is detected, thus providing a quick rescue of the wreck. Can be.

[0043]

As described above, according to the configuration of the system for detecting the position of each water sick person according to the present invention, the water sick person is provided with a sound wave transmitter, a radio wave transmitter or a container filled with a colored substance, and When a wave occurs, sound waves or radio waves are emitted, or colored substances are emitted onto the sea surface, so that the position of the water sick person can be detected quickly and accurately, and therefore, for the quick rescue of the water sick person Can contribute.

[Brief description of the drawings]

FIG. 1 is a diagram showing a schematic overall configuration of a position detection system according to a first embodiment of the present invention.

FIG. 2 is a diagram illustrating a schematic overall configuration of a position detection system according to a second embodiment of the present invention.

FIG. 3 is a diagram showing a schematic overall configuration of a position detection system according to a third embodiment of the present invention.

FIG. 4 is a diagram illustrating a schematic overall configuration of a position detection system according to a fourth embodiment of the present invention.

[Explanation of symbols]

 M Water shortage S Ship L Colored liquid 1 Position detection system 11 Sound wave transmitter 12 Sound wave receiver 13 Monitoring device 21 Position detection system 31 Radio transmitter 32 Radio receiver 33 Monitoring device 41 Position detection system 51 Liquid container 61 Air cylinder

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shigeo Takamatsu 5-3-28 Nishikujo, Konohana-ku, Osaka-shi, Osaka Inside Hitachi Zosen Corporation (72) Inventor Takashi Hatta 5-chome, Nishikujo, Konohana-ku, Osaka-shi, Osaka No. 3-28 Hitachi Zosen Corporation (72) Inventor Atsuzou Oba 5-28 Nishikujo, Konohana-ku, Osaka-shi, Osaka Prefecture Inside of Hitachi Zosen Corporation (72) Inventor Yukihiro Terada Nishi-Konohana-ku, Osaka-shi, Osaka Kujo 5-Chome 3-28 Hitachi Zosen Corporation

Claims (6)

[Claims] 1. A system for detecting the position of a water sick person, comprising a sound wave transmitter provided to the water sick person and a monitoring device having a sound wave receiver for receiving a sound wave signal from the sound wave transmitter. In addition, the sound wave transmitter is configured to emit a sound wave signal when immersed in water. 2. A system for detecting the position of a diving difficulty person, comprising: a sound wave transmitter provided for a diving person; and a monitoring device having a sound wave receiver for receiving a sound wave signal from the sound wave transmitter. And when the air pressure in the air cylinder of the diver falls below a predetermined value or when instructed by the diver, the sonic transmitter transmits a predetermined sound signal. Characteristic water detection system for water sick. 3. A system for detecting the position of a water sick person, comprising a radio wave transmitter provided for the water stricken person and a monitoring device having a radio wave receiver for receiving a radio signal from the radio wave transmitter. And a radio wave transmitter configured to transmit a predetermined radio signal from the radio wave transmitter when the radio wave transmitter is immersed in water. 4. A system for detecting a position of a diving difficulty person, comprising: a radio transmitter provided for a diving person; and a monitoring device having a radio receiver for receiving a radio signal from the radio transmitter. And when the air pressure in the air cylinder of the diver falls below a predetermined value or when instructed by the diver, the radio transmitter transmits a predetermined radio signal. Characteristic water detection system for water sick. 5. A system for detecting the position of a water sick person, wherein a container provided for the water sick person and filled with a colored substance, and an opening for discharging the colored substance provided in the container can be opened. A water refugee position detection system, comprising: a plug member. 6. A system for detecting the position of a diving difficulty person, comprising: a container provided for the diving person and filled with a colored substance; and an opening for releasing the colored substance provided in the container is opened. And the plug member obtained, when the air pressure in the air cylinder of the diver is below a predetermined value or when instructed by the diver,
A water stricken person position detection system, characterized in that it is configured to perform an opening operation.