JP2009282963A - Device for detecting person falling into water - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for detecting a person falling into water, which always obtains a work area of a crew wearing a radio tag on a work boat by communication with a branch office and specifies a fall position from the work area obtained by the communication with the branch office when a fall occurs. <P>SOLUTION: The device for detecting a person falling into water includes: a base station device mounted on the work boat and provided with a GPS function for acquiring position information of the boat, a radio tag mounted on a crew relating to the work boat, and a plurality of branch offices with an area for receiving radio waves from the radio tag provided on the work boat, and connects the base station device and the radio tag by radio communication. The base station device is provided with: a radio tag receiving part for receiving a radio signal from the radio tag, a branch office receiving part for receiving information of the radio tag that enters the radio area of the branch office, and a determination means for specifying the area of a radio tag from which the radio signal cannot be received by the branch office receiving part any more to determine that the radio tag has fallen into the water when the radio signal is not received. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a falling person detection device, and more specifically, an early detection that an occupant having a wireless tag has fallen on board a ship and generating an alarm, etc. The present invention relates to a falling person detection device that can easily perform early rescue by generating a falling place by voice.

For example, a GPS (Global Positioning System) that receives radio waves from three or more mobile satellites and calculates and displays the position of the ship is rapidly spreading. In the display device of the GPS receiver equipped with this GPS, the latitude and longitude of the ship are displayed on the nautical chart as bright ship points with an accuracy of several tens of meters as the ship position. A configuration is also adopted in which the ship position that changes every moment according to the navigation of the ship is displayed on a chart while being saved in a memory.
By using such a GPS receiver, it is possible to calculate the position of the fall by grasping the current positional relationship of the ship and by grasping the positional relationship of the ship even if the passenger accidentally falls. Thus, a technology has been developed to search for a person who falls.

JP 2007-293384 A

  However, even if a person who has fallen into water is searched using a GPS receiver attached to a ship as described in the prior art, it takes a long time to specify the position of the fall because the specific position where the water has dropped is unknown. There is a problem.

  Therefore, in a ship, especially a large work boat, there is a problem that must be solved in such a configuration that when a worker accidentally falls while working, the place where the water has fallen can be quickly identified.

  In order to solve the above-mentioned problems, the water drop detection device of the present invention has the following configuration.

(1) A waterfall person detection device is mounted on a work ship and includes a base station device having a GPS function for acquiring ship position information, a wireless tag attached to a passenger associated with the work ship, and the wireless tag. Is a water drop person detecting device configured to connect the base station device and the wireless tag by wireless communication, the base station device comprising: A wireless tag receiving unit that receives a wireless signal from the wireless tag; and a branch receiving unit that receives information on the wireless tag that has entered the wireless region of the branch station, and when the wireless signal is not received, The wireless communication apparatus includes a determination unit that identifies an area of the wireless tag in which the wireless signal received by the branch reception unit is not received and determines that an occupant wearing the wireless tag has fallen.

(2) A waterfall person detection device is mounted on a work ship and has a GPS function for acquiring position information of the ship, and a GPS that is attached to an occupant associated with the work ship and acquires position information of the occupant A water drop detection device configured to connect the base station device and the wireless tag by wireless communication, wherein the base station device receives a wireless signal from the wireless tag. A radio tag receiving unit, and when the radio signal is no longer received, the water fall position is identified based on the position information obtained by the GPS function of the radio tag, and it is determined that the occupant wearing the radio tag has fallen It is provided with the determination means to do.

(3) A falling person detection device is mounted on a work ship and includes a base station device having a GPS function for acquiring ship position information, and a water detection unit that is attached to a crew member related to the work ship and detects water. A falling person detection device comprising a wireless tag provided and a plurality of branches provided on a work ship with a region for receiving radio waves from the wireless tag, and connecting the base station device and the wireless tag by wireless communication The base station device includes a wireless tag receiving unit that receives a wireless signal from the wireless tag, and a branch receiving unit that receives information on the wireless tag that has entered the wireless region of the branch, Determining means for identifying a region of the wireless tag received by the branch reception unit and determining that an occupant wearing the wireless tag has fallen when the water detection unit of the mounted wireless tag detects water It is to have.

(4) The water faller detection device is mounted on a work ship and is mounted on a base station device having a GPS function for acquiring ship position information and an occupant associated with the work ship to obtain the position information of the occupant. A wireless tag having a GPS function and a water detection unit for detecting water, and a water drop person detecting device for connecting the base station device and the wireless tag by wireless communication, wherein the base station device is When the wireless tag receiving unit that receives a wireless signal from the wireless tag and the water detection unit of the wireless tag attached to the occupant detect water, the position information obtained by the GPS function of the wireless tag And determining means for determining the water falling position and determining that the passenger wearing the wireless tag has dropped.

  According to the first and third aspects of the present invention, the work area of the occupant wearing the wireless tag on the work boat is always grasped by communication with the branch office, and when the waterfall occurs, the branch office Since the falling water position can be specified from the work area obtained by the communication with, it is possible to rescue quickly.

  According to the inventions of claims 2 and 4 of the present invention, the work position of the occupant wearing the wireless tag on the work boat is always grasped by the GPS attached to the wireless tag, and when water falls, Since the falling water position can be specified based on the position information obtained by the GPS, a quick rescue or the like can be performed.

BRIEF DESCRIPTION OF THE DRAWINGS It is explanatory drawing which showed schematically the water drop person detection apparatus of 1st Example which concerns on this invention. It is a flowchart which shows operation | movement similarly. It is explanatory drawing which showed schematically the falling person detection apparatus of 2nd Example which concerns on this invention. It is a flowchart which shows operation | movement similarly. It is explanatory drawing which showed schematically the water-falling person detection apparatus of 3rd Example which concerns on this invention. It is a flowchart which shows operation | movement similarly. It is explanatory drawing which showed schematically the water-falling person detection apparatus of 4th Example which concerns on this invention. It is a flowchart which shows operation | movement similarly.

  Next, an embodiment of a falling person detection device according to the present invention will be described below with reference to the drawings.

As shown in FIG. 1, the water drop person detecting device according to the first embodiment of the present invention is mounted on a work ship 11 and includes a base station device 12 having a GPS function for acquiring ship position information, and a work ship 11. The wireless tag 13 mounted on the occupant and a plurality of branch offices 14 provided on the work boat 11 with a region for receiving radio waves from the wireless tag 13 are configured to perform wireless communication between the base station device 12 and the wireless tag 13. And the branch office 14 grasps the location of the wireless tag 13.
In addition, the inboard entrance 30 is provided with a branch office 14a to detect that an occupant having the wireless tag 13 enters the ship and detects that the passenger has exited the ship. In this way, when a crew member (worker) having the wireless tag 13 enters the ship and performs operation management and maintenance of work equipment such as an engine, a generator, and a pump, it is determined that the water has fallen even if the radio is interrupted. It is because it does not.

  The wireless tag 13 includes a transmission unit 15 that transmits a wireless signal, a tag storage unit 16 that stores an identification number of the wireless tag 13 and an identification number of an occupant, and a battery unit 17 that stores a battery for transmitting the wireless signal. With. Tag information including the identification number of the wireless tag 13 and the identification number of the occupant is attached and transmitted to the wireless signal from the transmission unit 15. The tag information is, for example, a tag identification number, an occupant identification number, a name, a profession, an affiliation, an address, and a contact information when being attached to the occupant. Further, transmission may be performed intermittently to prevent battery consumption.

The branch station 14 is disposed at a specific position on the work boat 11. In the embodiment, the branch station 14 has two positions, namely, a starboard front end position and a port front end position, two intermediate end positions, and a rear position. It is installed in a total of 6 locations, 2 locations at both ends.
This branch office 14 is provided with a receiving antenna, and an area where the receiving antenna can receive is set. For example, in the case of the branch office 14 arranged at the starboard front end position, a circular region at the starboard front position not including the sea surface is applicable.
When the wireless tag 13 is present in the area, the branch office 14 inputs a wireless signal from the wireless tag 13 received by the receiving antenna and is included in the intensity of the radio wave and the received radio wave. The identification number and reception time of the wireless tag 13 are detected. The identification data of the branch office 14 itself is further added to the detected radio wave intensity data, the identification number of the wireless tag, and the reception time data, and transmitted to the branch reception section 20 of the base station apparatus 12 as tag branch office information.

  The branch station 14a is composed of an proximity sensor installed at the inboard entrance 30. When it is detected that an operator having the wireless tag 13 passes through the entrance and enters the cabin, the detected wireless tag is identified. The identification data of the branch station 14a itself is further added to the number and the reception time data, and the tag branch information is transmitted to the branch reception unit 20 of the base station apparatus 12. By doing so, even if the worker enters the ship and the radio is cut off, it is recognized that the worker is in the ship and it can be avoided that the water falls due to the cut off of the radio.

Here, when entering the ship, since the radio of the wireless tag 13 is discontinued, the branch station 14a is provided to confirm that the discontinued radio has entered the ship. Without being limited to this, for example, it is possible to prevent the radio from being interrupted even if an operator having the radio tag 13 enters the ship by taking measures to prevent the radio from being interrupted even in the ship. It is. Specifically, it is necessary to provide communication means for communicating wirelessly at various locations on the ship, and to communicate with the wireless tag 13 entered in the ship with this communication means, and the communication means may communicate with the branch office 14 or 14a. .
This idea is not limited to the inside of the ship, but on the work ship 11, a communication means is installed in a closed place where radio is interrupted, for example, an area where it is blocked by heavy machinery, a warehouse, etc. By doing so, it is possible to avoid blocking the radio.

  The base station device 12 controls the entire water drop detection device to realize each function of the water drop detection device, and also performs a central processing control unit 18 that performs necessary calculations, a wireless tag reception unit 19 and a branch reception unit. 20. Input / output control unit 23 for communication with management station transmission / reception unit 21 and mobile phone transmission / reception unit 22; input / output interface 24 connected to input / output control unit 23; Connected to the sound output unit 25, the warning light output unit 26 that drives the warning light via the input / output interface 24, and the central processing control unit 18, and displays various data, for example, the position of the water drop person on the chart And a display unit 27.

  The wireless tag receiving unit 19 is capable of receiving a wireless signal oscillated from the transmitting unit 15 of the wireless tag 13. The wireless tag receiving unit 19 is configured to receive the wireless tag 13 worn by a passenger working on the work boat 11. You can receive everything. The received content is so-called tag information, such as a tag identification number, an occupant identification number, name, occupation, affiliation, address, contact information, and the like.

  The branch office receiving unit 20 receives information from the branch office 14 described above, and tag branch office information of the wireless tag 13 existing in an area set by the branch office 14 from all the branch offices 14 installed on the work boat 11. Receive. The received tag branch office information is transmitted to the input / output control unit 23 and grasps in which area on the work boat 11 the current wireless tag 13 was present.

The management station transmission / reception unit 21 communicates with the base station transmission / reception unit of the management station device 31, and is configured to send information on the falling water of the occupant generated in the work boat 11.
The mobile phone transmission / reception unit 22 transmits information to the mobile phone 28, and particularly notifies the time and place where the occupant falls when the occupant falls.

  The central processing control unit 18 detects the occurrence of falling water based on the data from the input / output control unit 23, reports to the wireless tags 13 and the base station device 31 via the input / output control unit 23, Control is performed to acquire the position information and to generate a pseudo sound indicating that the water has fallen from the sound output unit 25 via the input / output interface 24 and to simultaneously drive the warning light from the warning light output unit 26. In addition, the display unit 27 displays screens for condition setting, communication, and monitoring.

  The input / output control unit 23 receives information from the wireless tag receiving unit 19 that receives a wireless signal from the wireless tag 13, receives the position information of the work boat 11 from the GPS 29, and the wireless tag 13 existing in the area of the branch office 14. When the branch tag information is received from the branch receiver 20 that receives the information of the branch and the central processing controller 18 determines that the water has fallen, that is, the wireless signal between the wireless tag 13 and the base station device 12 is continuously blocked for several seconds. If so, the identification information of the wireless tag 13, the identification information of the occupant, and the branch tag information that has detected the identification tag are reported to a preset report destination, that is, the mobile phone 28 and the management station device 31. At the same time, the location where water has fallen from the sound output unit 25 via the input / output control unit 23 is notified by a pseudo-voice, and the warning light is turned on from the warning light output unit 26 to notify that water has fallen.

  The management station device 31 has a function of displaying a place where the water has fallen on a chart when information is obtained from the base station device 12 on the work ship 11 installed on land, particularly, information on the water fall. , A base station transmission / reception unit 32 that receives information from the management station transmission / reception unit 21 of the base station apparatus 12, an identification number of the wireless tag 13 that has fallen from the information obtained by the base station transmission / reception unit 32, and the wireless tag The input / output control unit 33 that extracts and controls the identification number of the occupant wearing the vehicle 13 and the location of the waterfall and the time of the waterfall, and the information on the waterfall from the input / output control unit 33. A central processing control unit 34 that controls the display of the specific information on the display unit 35 and contacts a related department (not shown) via a mobile phone or the like is roughly configured.

  The operation of the water drop detection device having the above configuration will be described below with reference to the flowchart shown in FIG.

Assume that the radio signal between the radio tag and the base station apparatus is blocked (step ST11).
First, in the base station apparatus, it is confirmed whether the blocked wireless tag enters the ship by the branch office 14a provided at the ship entrance / exit 30 (step ST12).
If it is confirmed that you are in the ship, the radio signal will be blocked due to entering the ship.
If it is confirmed that the vehicle is not in the ship and the wireless signal is interrupted for several seconds, it is determined that the passenger wearing the wireless tag has fallen (step ST13).

  When it is determined that water has fallen, first, the location of the waterfall is specified as the waterfall information, which is to determine from which position of the work ship 11 the waterfall 13 is located based on the position information of the wireless tag 13 grasped by the branch office 14. Can do. In addition, there are an identification number of the wireless tag 13 that has fallen and the identification number of the occupant wearing the wireless tag 13 as the falling information.

  And the base station apparatus 12 acquires the position and time information of the work boat 11 from the GPS 29. The area where the dropped radio tag 13 is confirmed by the branch office 14 is detected and the falling position is specified, for example, the specific position of the work ship 11 is specified such as the starboard front position, the starboard intermediate position, and the starboard rear position. Inform and display on the display unit 27 (step ST15).

  At the same time, the sound output unit 25 outputs a pseudo-sound as a falling water position, for example, a starboard front position, and at the same time turns on a warning lamp to notify by light (step ST16).

  In addition, the location information, time, and water drop information from the base station device 12 are notified to a preset mobile phone 28 or e-mail address. Furthermore, these pieces of information are transmitted to the management station apparatus 31 and displayed on the chart of the display unit 35 on the management station apparatus 31 side (step ST17).

  Next, a second embodiment of the falling person detection device of the present invention will be described with reference to the drawings.

  The falling water detection device according to the second embodiment of the present invention has a GPS function added to a wireless tag, and its configuration is mounted on a work ship 11 as shown in FIG. 3, and acquires position information of the ship. A base station device 12 having a GPS function, and a radio tag 13 that is attached to a crew member of the work boat 11 and has a GPS function that acquires position information of the crew member. The base station device 12 and the radio tag 13 is connected to the wireless tag 13 by radio communication, and the location of the wireless tag 13 is always grasped by the GPS 41 attached to the wireless tag 13, and the position information obtained by the GPS 41 of the wireless tag 13 when the wireless signal is not received. It is the structure provided with the determination means which determines that a passenger | crew who mounted | wore with the said radio | wireless tag 13 specified the waterfall position based on, and waterfall.

  The wireless tag 13 includes a GPS 41 having a GPS function, a transmission unit 15 that transmits a wireless signal, a tag storage unit 16 that stores an identification number of the wireless tag 13 and an identification number of an occupant, and a wireless signal. And a battery unit 17 storing a battery. Tag information including the identification number of the wireless tag 13, the identification number of the occupant, the position information acquired by the GPS 41, and the like is attached to the wireless signal from the transmission unit 15. The tag information is, for example, a tag identification number, an occupant identification number, a name, a profession, an affiliation, an address, and a contact information when being attached to the occupant. Further, transmission may be performed intermittently to prevent battery consumption.

  The base station device 12 controls the entire water drop detection device to realize each function of the water drop detection device, and also performs a central processing control unit 18 that performs necessary calculations, a wireless tag reception unit 19, a management station transmission / reception Unit 21, an input / output control unit 23 that performs communication with the mobile phone transmission / reception unit 22, an input / output interface 24 connected to the input / output control unit 23, and an acoustic output unit 25 that generates sound via the input / output interface 24. A warning light output unit 26 that drives a warning light via the input / output interface 24, and a display unit that is connected to the central processing control unit 18 and displays various data, for example, the position of a water drop person on a chart. 27.

  The wireless tag receiving unit 19 is capable of receiving a wireless signal oscillated from the transmitting unit 15 of the wireless tag 13. The wireless tag receiving unit 19 is configured to receive the wireless tag 13 worn by a passenger working on the work boat 11. You can receive everything. The received contents are so-called tag information. For example, position information obtained by the GPS 41 attached to the wireless tag 13, tag identification number, occupant identification number, name, occupation, affiliation, address, contact information Etc.

The management station transmission / reception unit 21 communicates with the base station transmission / reception unit 32 of the management station device 31, and is configured to send information on the spilling of water particularly generated by the work boat 11.
The mobile phone transmission / reception unit 22 transmits information to the mobile phone 28, and particularly notifies the time and place where the occupant falls when the occupant falls.

  The central processing control unit 18 detects the occurrence of falling water based on the data from the input / output control unit 23, reports to the wireless tags 13 and the base station apparatus 12 via the input / output control unit 23, and operates from the GPS 29. Control is performed to acquire position information of the ship 11, generate a pseudo sound of water falling from the sound output unit 25 via the input / output interface 24, and simultaneously drive the warning light from the warning light output unit 26. In addition, the display unit 27 displays screens for condition setting, communication, and monitoring.

  The input / output control unit 23 receives information from the wireless tag receiving unit 19 that receives a wireless signal from the wireless tag 13, receives position information of the work ship 11 from the GPS 29, and determines whether the central processing control unit 18 has fallen. In this case, that is, when the wireless signal blocking between the wireless tag 13 and the base station device 12 continues for several seconds, the identification information of the wireless tag 13, the position information of the wireless tag 13 by the GPS 41, and the identification information of the occupant are set in advance. It is reported to the reported destination, that is, the mobile phone 28 and the management station device 31. At the same time, the location where water has fallen from the sound output unit 25 via the input / output control unit 23 is notified by a pseudo-voice, and the warning light is turned on from the warning light output unit 26 to notify that water has fallen.

  Here, the determination of falling water will be described. First, the base station apparatus 12 acquires the position information of the work ship 11 from the GPS 29, and specifies the work area on the work ship 11. At the same time, if the position information of the wireless tag 13 is acquired from the GPS information of the wireless tag 13 and the position information is the position information of the work area in the work ship 11, the wireless tag 13 exists in the work area in the work ship. Can be. That is, when it is determined that the wireless tag 13 is present in the work area in the work boat 11, it is not determined that the water has fallen even if the wireless signal is interrupted. This is because a radio signal from the radio tag 13 may be interrupted when an operator having the radio tag 13 enters the ship and performs operation management and maintenance of work equipment such as an engine, a generator, and a pump. In some cases, it can be determined that the vehicle is present on the ship based on position information from the GPS.

  The management station device 31 has a function of displaying a place where the water has fallen on a chart when information is obtained from the base station device 12 on the work ship 11 installed on land, particularly, information on the water fall. , A base station transmission / reception unit 32 that receives information from the management station transmission / reception unit 21 of the base station apparatus 12, an identification number of the wireless tag 13 that has fallen from the information obtained by the base station transmission / reception unit 32, and the wireless tag The input / output control unit 33 that extracts and controls the identification number of the occupant wearing the vehicle 13 and the location of the waterfall and the time of the waterfall, and the information on the waterfall from the input / output control unit 33. A central processing control unit 34 that controls the display of the specific information on the display unit 35 and contacts a related department (not shown) via a mobile phone or the like is roughly configured.

  The operation of the water drop detection device having the above configuration will be described below with reference to the flowchart shown in FIG.

  The wireless signal between the wireless tag 13 and the base station device 12 is blocked (step ST21).

Then, the base station apparatus 12 acquires the position information of the work ship 11 from the GPS 29 and specifies the work area of the work ship 11, acquires the GPS information from the GPS 41 of the wireless tag 13 that is blocked, and the position information Whether the position information is within the work area in the ship 11 is confirmed, and the position information in the work area of the work ship 11 is not judged as falling (step ST22).
If the position information of the blocked wireless tag 13 is position information other than the work area of the work boat 11, it is determined that the water has fallen.

And when interruption | blocking of this radio | wireless signal continues for several seconds, it determines with the passenger | crew (operator) with which the wireless tag 13 is mounted | worn having fallen (step ST24).
When it is determined that the water has fallen, first, the location of the fallen water is specified as the fallen water information, which is the position information of the GPS 41 attached to the dropped radio tag 13 and the work ship 11 itself from the GPS 29 attached to the work ship 11. The position of falling water is specified from the position information, such as the position on the starboard front or the position on the front of the port. In addition, there are an identification number of the wireless tag 13 that has fallen and the identification number of the occupant wearing the wireless tag 13 as the falling information.

  And the base station apparatus 12 acquires the position and time information of the work boat 11 from the GPS 29. The falling water position is identified from the GPS information of the radio tag 13 that has fallen, for example, the specific position of the work ship 11 is identified and displayed on the display unit 27 such as the starboard front position, starboard middle position, starboard rear position. (Step ST25).

  These are converted into pseudo sound and output from the speaker. At the same time, a warning lamp is driven to notify by light (step ST26).

  In addition, the location information, time, and water drop information from the base station device 12 are notified to a preset mobile phone 28 or e-mail address. Further, these pieces of information are transmitted to the management station apparatus 31 and displayed on the chart of the display unit 35 on the management station apparatus 31 side.

  Next, a third embodiment of the falling water detection device of the present invention will be described with reference to the drawings.

  As shown in FIG. 5, the water drop person detecting device according to the third embodiment of the present invention is mounted on the work boat 11 and includes a base station device 12 having a GPS function for acquiring ship position information, and a work ship 11. The wireless tag 13 equipped with such a passenger and provided with a water detection unit 42 for detecting water, and a plurality of branch offices 14 provided with a region for receiving radio waves from the wireless tag 13 on the work ship 11, The station device 12 and the wireless tag 13 are connected by wireless communication, and the branch office 14 grasps the location of the wireless tag 13.

The wireless tag 13 includes a transmission unit 15 that transmits a wireless signal, a tag storage unit 16 that stores an identification number of the wireless tag 13 and an identification number of an occupant, and a battery unit 17 that stores a battery for transmitting the wireless signal. And a water detector 42 having a water sensor for detecting water. Tag information including the identification number of the wireless tag 13 and the identification number of the occupant is attached and transmitted to the wireless signal from the transmission unit 15. The tag information is, for example, a tag identification number, an occupant identification number, a name, a profession, an affiliation, an address, and a contact information when being attached to the occupant. Further, transmission may be performed intermittently to prevent battery consumption.
Here, the water detection unit 42 has a structure including a water sensor, but the water sensor may be a water pressure sensor or a capacitive sensor.
When such a wireless tag 13 is attached to an occupant and accidentally falls to the sea surface with the occupant, the water detection unit 42 of the wireless tag 13 detects water, and a signal indicating the detection of the water causes the transmission unit 15 to detect the water. And transmitted from the transmitter 15 together with the tag information.

The branch station 14 is disposed at a specific position on the work boat 11. In the embodiment, the branch station 14 has two positions, namely, a starboard front end position and a port front end position, two intermediate end positions, and a rear position. It is installed in a total of 6 locations, 2 locations at both ends.
This branch office 14 is provided with a receiving antenna, and an area where the receiving antenna can receive is set. For example, in the case of a branch station located at the starboard front end position, a circular region at the starboard front position not including the sea surface is applicable.
When the wireless tag 13 is present in the area, the branch office 14 inputs a wireless signal from the wireless tag 13 received by the receiving antenna and is included in the intensity of the radio wave and the received radio wave. The identification number and reception time of the wireless tag 13 are detected. The identification data of the branch office 14 itself is further added to the detected radio wave intensity data, the identification number of the wireless tag 13 and the reception time data, and transmitted to the branch reception section 20 of the base station apparatus 12 as tag branch information.

  The base station device 12 controls the entire water drop detection device to realize each function of the water drop detection device, and also performs a central processing control unit 18 that performs necessary calculations, a wireless tag reception unit 19 and a branch reception unit. 20. Input / output control unit 23 for communication with management station transmission / reception unit 21 and mobile phone transmission / reception unit 22; input / output interface 24 connected to input / output control unit 23; Connected to the sound output unit 25, the warning lamp output unit 26 that drives the warning lamp to light through the input / output interface 24, and the central processing control unit 18, and various data, for example, the position of the water drop person on the chart And a display unit 27 for displaying.

  The wireless tag receiving unit 19 is capable of receiving a wireless signal oscillated from the transmitting unit 15 of the wireless tag 13. The wireless tag receiving unit 19 is configured to receive the wireless tag 13 worn by a passenger working on the work boat 11. You can receive everything. The received content is so-called tag information, such as a tag identification number, an occupant identification number, name, occupation, affiliation, address, contact information, and the like. In addition, a water pressure signal detected by the water pressure detection unit 42 of the wireless tag 13 is sent from the transmission unit 15 together with tag information.

  The branch office receiving unit 20 receives information from the branch office 14 described above, and tag branch office information of the wireless tag 13 existing in an area set by the branch office 14 from all the branch offices 14 installed on the work boat 11. Receive. The received tag branch office information is transmitted to the input / output control unit 23 and grasps in which area on the work boat 11 the current wireless tag 13 was present.

The management station transmission / reception unit 21 communicates with the base station transmission / reception unit 32 of the management station device 31, and is configured to send information on the spilling of water particularly generated by the work boat 11.
The mobile phone transmission / reception unit 22 transmits information to the mobile phone 28, and particularly notifies the time and place where the occupant falls when the occupant falls.

  The central processing control unit 18 detects the occurrence of falling water based on the data from the input / output control unit 23, reports to the wireless tags 13 and the base station device 12 via the input / output control unit 23, Control is performed to acquire the position information and to generate a pseudo sound indicating that the water has fallen from the sound output unit 25 via the input / output interface 24 and to simultaneously drive the warning light from the warning light output unit 26. In addition, the display unit 27 displays screens for condition setting, communication, and monitoring.

  The input / output control unit 23 receives information from the wireless tag receiving unit 19 that receives a wireless signal from the wireless tag 13, receives the position information of the work boat 11 from the GPS 29, and the wireless tag 13 existing in the area of the branch office 14. When the branch tag information is received from the branch reception unit 20 that receives the information of the branch tag and the central processing control unit 18 determines that the water has dropped, that is, the water detection unit 42 of the wireless tag 13 detects the water and detects the water. When the signal is received, the identification information of the wireless tag 13, the identification information of the occupant, and the branch tag information detected by the identification tag are reported to a preset report destination, that is, the mobile phone 28 and the management station device. At the same time, the location where water has fallen from the sound output unit 25 via the input / output control unit 23 is notified by a pseudo-voice, and the warning light is turned on from the warning light output unit 26 to notify that water has fallen.

  The management station device 31 has a function of displaying a place where the water has fallen on a chart when information is obtained from the base station device 12 on the work ship 11 installed on land, particularly, information on the water fall. , A base station transmission / reception unit 32 that receives information from the management station transmission / reception unit 21 of the base station apparatus 12, an identification number of the wireless tag 13 that has fallen from the information obtained by the base station transmission / reception unit 32, and the wireless tag The input / output control unit 23 that extracts and controls the identification number of the occupant wearing the vehicle 13, the location of the waterfall, and the time of the waterfall, and the information on the waterfall from the input / output control unit 23 A central processing control unit 34 that controls the display of the specific information on the display unit 35 and contacts a related department (not shown) via a mobile phone or the like is roughly configured.

  The operation of the water drop detection device having the above configuration will be described below with reference to the flowchart shown in FIG.

  It is assumed that the occupant wearing the wireless tag 13 falls during work (step ST31). Then, the water detection unit 42 of the wireless tag 13 detects the water, transmits a signal for detecting the water, and when the base station device 12 receives this signal, the occupant wearing the wireless tag 13 falls. It determines with a thing (step ST32).

  When it is determined that water has fallen, first, the location of the waterfall is specified as the waterfall information, which is to determine from which position of the work ship 11 the waterfall 13 is located based on the position information of the wireless tag 13 grasped by the branch office 14. Can do. In addition, there are an identification number of the wireless tag 13 that has fallen and the identification number of the occupant wearing the wireless tag 13 as the falling information.

  And the base station apparatus 12 acquires the position and time information of the work ship 11 from GPS28. The area where the dropped radio tag 13 is confirmed by the branch office 14 is detected and the falling position is specified, for example, the specific position of the work ship 11 is specified such as the starboard front position, the starboard intermediate position, and the starboard rear position. Inform and display on the display unit 27 (step ST33).

  At the same time, the sound output unit 25 outputs a pseudo-sound as a falling water position, for example, a starboard front position, and simultaneously turns on a warning lamp to notify by light (step ST34).

  In addition, the location information, time, and water drop information from the base station device 12 are notified to a preset mobile phone 28 or e-mail address. Further, these pieces of information are transmitted to the management station apparatus 31 and displayed on the chart of the display unit 35 on the management station apparatus 31 side (step ST35).

  Next, a fourth embodiment of the falling person detection device of the present invention will be described with reference to the drawings.

  The falling person detection device according to the fourth embodiment of the present invention includes a water detection unit that adds a GPS function to a wireless tag and detects water in the wireless tag, and the configuration thereof is as shown in FIG. The base station device 12 that is mounted on the work ship 11 and has a GPS function for acquiring the position information of the ship, and the GPS function that is attached to the occupant associated with the work ship 11 and acquires the position information of the occupant and water are detected. The wireless tag 13 including the water detection unit 42 is configured to connect the base station device 12 and the wireless tag 13 by wireless communication and to constantly grasp the location of the wireless tag 13 by the GPS 41 attached to the wireless tag 13. When the water detection unit 42 of the wireless tag 13 attached to the occupant detects water, the wireless tag 13 is identified by specifying the falling position based on the position information obtained by the GPS 41 of the wireless tag 13. Mounting the occupant has a configuration which includes a determination means and the drainage.

The wireless tag 13 includes a GPS 41 having a GPS function, a transmission unit 15 that transmits a wireless signal, a tag storage unit 16 that stores an identification number of the wireless tag 13 and an identification number of an occupant, and a wireless signal. The battery part 17 which has stored the battery, and the water detection part 42 provided with the water sensor which detects water are provided. Tag information including the identification number of the wireless tag 13, the identification number of the occupant, the position information acquired by the GPS 41, and the like is attached to the wireless signal from the transmission unit 15. The tag information is, for example, a tag identification number, an occupant identification number, a name, a profession, an affiliation, an address, and a contact information when being attached to the occupant. Further, transmission may be performed intermittently to prevent battery consumption.
Here, the water detection unit 42 has a structure including a water sensor, but the water sensor may be a water pressure sensor or a capacitive sensor.

  The base station device 12 controls the entire water drop detection device to realize each function of the water drop detection device, and receives tag information from the central processing control unit 18 that performs necessary calculations and the wireless tag 13. The wireless tag receiving unit 19, the management station transmitting / receiving unit 21 communicating with the management station device 31, the input / output control unit 23 communicating with the mobile phone transmitting / receiving unit 22, and the input / output interface 24 connected to the input / output control unit 23. And a sound output unit 25 for generating sound via the input / output interface 24, a warning light output unit 26 for driving a warning light via the input / output interface 24, and the central processing control unit 18, and various data For example, the display unit 27 includes a display unit 27 for displaying the position of the person who has fallen on the chart.

  The wireless tag receiving unit 19 can receive a wireless signal (tag information) oscillated from the transmitting unit 15 of the wireless tag 13 and is worn by a passenger working on the work boat 11. All of the wireless tags 13 can be received. The received contents are so-called tag information. For example, position information obtained by the GPS 41 attached to the wireless tag 13, tag identification number, occupant identification number, name, occupation, affiliation, address, contact information Etc. In addition, the water detection unit 42 of the wireless tag 13 detects water, and a signal for detecting the water is sent from the transmission unit 15 together with the tag information.

The management station transmission / reception unit 21 communicates with the base station transmission / reception unit 32 of the management station device 31, and is configured to send information on the spilling of water particularly generated by the work boat 11.
The mobile phone transmission / reception unit 22 transmits information to the mobile phone 28, and particularly notifies the time and place where the occupant falls when the occupant falls.

  The central processing control unit 18 detects the occurrence of falling water based on the data from the input / output control unit 23, reports to the wireless tags 13 and the base station apparatus 12 via the input / output control unit 23, and operates from the GPS 29. Control is performed to acquire position information of the ship 11, generate a pseudo sound of water falling from the sound output unit 25 via the input / output interface 24, and simultaneously drive the warning light from the warning light output unit 26. In addition, the display unit 27 displays screens for condition setting, communication, and monitoring.

  The input / output control unit 23 receives information from the wireless tag receiving unit 19 that receives a wireless signal from the wireless tag 13, receives position information of the work ship 11 from the GPS 29, and determines whether the central processing control unit 18 has fallen. In other words, when the water detection unit 42 of the wireless tag 13 detects water and receives a signal for detecting the water, the identification information of the wireless tag 13, the position information of the wireless tag 13 by the GPS 41 and the identification information of the occupant are obtained. A report is made to a preset report destination, that is, the mobile phone 28 and the management station apparatus 31. At the same time, the location where water has fallen from the sound output unit 25 via the input / output control unit 23 is notified by a pseudo-voice, and the warning light is turned on from the warning light output unit 26 to notify that water has fallen.

  The management station device 31 has a function of displaying a place where the water has fallen on a chart when information is obtained from the base station device 12 on the work ship 11 installed on land, particularly, information on the water fall. , A base station transmission / reception unit 32 that receives information from the management station transmission / reception unit 21 of the base station apparatus 12, an identification number of the wireless tag 13 that has fallen from the information obtained by the base station transmission / reception unit 32, and the wireless tag The input / output control unit 33 that extracts and controls the identification number of the occupant wearing the vehicle 13 and the location of the waterfall and the time of the waterfall, and the information on the waterfall from the input / output control unit 33. A central processing control unit 34 that controls the display of the specific information on the display unit 35 and contacts a related department (not shown) via a mobile phone or the like is roughly configured.

  The operation of the water drop detection device having the above configuration will be described below with reference to the flowchart shown in FIG.

  Assume that a passenger wearing the wireless tag 13 falls during work (step ST41). If it does so, the water detection part 42 of the radio | wireless tag 13 will detect water, and will transmit the signal which detected water from the transmission part 15 with tag information. Receiving this water detection signal, the base station apparatus 12 determines that the occupant wearing the wireless tag 13 has dropped (step ST42).

  When it is determined that the water has fallen, first, the location of the fallen water is specified as the fallen water information, which is the position information of the GPS 41 attached to the dropped radio tag 13 and the work ship 11 itself from the GPS 29 attached to the work ship 11. The position of falling water is specified from the position information, such as the position on the starboard front or the position on the front of the port. In addition, there are an identification number of the wireless tag 13 that has fallen and the identification number of the occupant wearing the wireless tag 13 as the falling information.

  And the base station apparatus 12 acquires the position and time information of the work boat 11 from the GPS 29. The falling water position is identified from the GPS information of the radio tag 13 that has fallen, for example, the specific position of the work ship 11 is identified and displayed on the display unit 27 such as the starboard front position, starboard middle position, starboard rear position. (Step ST43).

  At the same time, the sound output unit 25 outputs a pseudo-sound as a falling water position, for example, a starboard front position, and at the same time turns on a warning lamp to notify by light (step ST44).

  In addition, the location information, time, and water drop information from the base station device 12 are notified to a preset mobile phone 28 or e-mail address. Further, these pieces of information are transmitted to the management station apparatus 31 and displayed on the chart of the display unit 35 on the management station apparatus 31 side.

  Always keep track of the work area of the crew wearing the wireless tag on the work boat by communicating with the branch office, and when water falls, identify the location of the water fall from the work area obtained by communication with this branch office. Provided is a water drop detection device capable of

11 Work ship 12 Base station device 13 Radio tag 14 Branch office 14a Branch office 15 Transmitter 16 Tag storage section 17 Battery section 18 Central processing control section 19 Radio tag receiver 20 Branch office receiver 21 Management station transceiver 22 Mobile phone transceiver 23 Output control unit 24 Input / output interface 25 Sound output unit 26 Warning light output unit 27 Display unit 28 Mobile phone 29 GPS
30 Onboard entrance 31 Management station device 32 Base station transmission / reception unit 33 Input / output control unit 41 GPS
42 Water detector

Claims (4)

A base station apparatus equipped with a GPS function that is mounted on a work ship and obtains position information of the ship, a wireless tag that is attached to an occupant associated with the work ship, and a region that receives radio waves from the wireless tag A waterfall person detecting device configured to connect the base station device and the wireless tag by wireless communication,
The base station device includes a wireless tag receiving unit that receives a wireless signal from the wireless tag, and a branch station receiving unit that receives information of the wireless tag that has entered the wireless region of the branch station,
A determination unit that identifies an area of the wireless tag that is no longer received by the branch reception unit when the wireless signal is no longer received and determines that an occupant wearing the wireless tag has fallen; A falling person detection device characterized by that. A base station device mounted on a work ship and equipped with a GPS function for obtaining position information of the ship, and a radio tag equipped with a GPS function for obtaining position information of the occupant mounted on a crew member related to the work ship. A water drop detection device configured to connect the base station device and the wireless tag by wireless communication,
The base station device determines a falling water position based on a wireless tag receiving unit that receives a wireless signal from the wireless tag and position information obtained by a GPS function of the wireless tag when the wireless signal is not received. An apparatus for detecting a water drop person, comprising: a determination unit that determines that an occupant wearing the wireless tag has dropped. A base station device equipped with a GPS function that is mounted on a work ship and obtains position information of the ship, a wireless tag that is mounted on an occupant associated with the work ship and includes a water detection unit that detects water, and the wireless tag It is composed of a plurality of branches provided on a work ship with an area for receiving radio waves from a waterfall person detecting device that connects the base station device and the wireless tag by wireless communication,
The base station device includes a wireless tag receiving unit that receives a wireless signal from the wireless tag, and a branch station receiving unit that receives information of the wireless tag that has entered the wireless region of the branch station,
When the water detection unit of the wireless tag attached to the occupant detects water, the region of the wireless tag received by the branch reception unit is specified, and it is determined that the occupant wearing the wireless tag has dropped. A falling person detection device comprising a determination means. A base station device equipped with a GPS function for obtaining position information of a ship, which is mounted on a work ship, and a water detection unit which is mounted on an occupant associated with the work ship and which detects the position information of the occupant and water A water drop detection device for connecting the base station device and the wireless tag by wireless communication,
The base station device uses a GPS function of the wireless tag when the wireless tag receiving unit that receives a wireless signal from the wireless tag and the water detection unit of the wireless tag attached to the passenger detect water. A falling person detection device comprising: a determination unit that determines a falling position based on the obtained position information and determines that an occupant wearing the wireless tag has dropped.

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