JP2013141459A - Fishing net management system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fishing net management system, which is configured to display the position and identifier of a fishing net and the remaining battery level of the fishing net on a screen.SOLUTION: The fishing net 110 is provided with a fishing net information transmitting device 100 which transmits position information and identifier of the fishing net 110 and remaining electricity level information of a battery installed in the fishing net 110 through an antenna 103 to be wirelessly received by a remote marine vessel 180. The marine vessel 180 is provided with a fishing net information receiving device 120 which receives the position information and identifier of the fishing net 110 and the remaining electricity level information of the battery installed in the fishing net 110, which are transmitted from the fishing net information transmitting device 100 through an antenna 122; an electronic marine chart storage unit 135 which stores electronic marine chart information; and a fishing net management device 130 which displays, based on the electronic marine chart information stored in the electronic marine chart storage unit 135 and the information received by the fishing net information receiving device 120, the position and identifier of the fishing net 110, the position of the marine vessel 180, and the remaining electric level of the battery installed in the fishing net 110 on an electronic marine chart.

Description

  The present invention relates to a fishing net management system, and more specifically, the position of the fishing net is received on the electronic chart of the screen by receiving the position information of the fishing net, the identifier, and the battery remaining amount information from the fishing net information transmission device installed in the fishing net by wireless communication. The present invention relates to a fishing net management system that displays an identifier and a battery remaining amount of a fishing net.

In the conventional fishing net tracking technology, a radio frequency direction detector (RDF) is used to detect the direction of a specific frequency output via an existing antenna by a frequency output device for signal transmission installed in a search target fishing net. Search for the appropriate fishing net.
However, in such a conventional technique, since the radio wave direction detector detects only the direction of the specific frequency output by the frequency output device installed in the fishing net and searches for the corresponding fishing net, a long time is required until the fishing net is searched. There were problems that required fuel and human resources.
Moreover, since the existing frequency output device installed in the fishing net and outputting the frequency of the medium and short wave (MF / HF) band has a relatively long antenna and high power consumption, the capacity of the battery for driving the frequency output device is high. However, there is a problem that the maintenance and management costs of all the equipment increase.

  The present invention has been made to solve the above-described problems, and receives an electronic chart of a screen by wirelessly receiving fishing net position information, an identifier, and battery remaining amount information from a fishing net information transmitting apparatus installed in the fishing net. It is an object of the present invention to provide a fishing net management system for displaying the position of the fishing net, the identifier, and the battery remaining amount of the fishing net.

  In order to solve the above-described problem, according to one aspect of the present invention, the position information of the fishing net, the identifier, and the remaining amount of electricity of the battery installed in the fishing net are wirelessly transmitted via an antenna. A fishing net information transmitting device that allows a remote ship to receive wirelessly, wherein the ship transmits position information of the fishing net transmitted from the fishing net information transmitting apparatus, an identifier, and electricity of a battery installed in the fishing net A fishing net information receiving device for receiving remaining amount information via an antenna; an electronic chart storing unit storing electronic chart information; and an electronic chart information stored in the electronic chart storing unit and the fishing net information receiving device A fishing net management device including a fishing net management device for displaying, on an electronic chart, a position of the fishing net, an identifier, a position of the ship, and a remaining amount of electricity of a battery installed in the fishing net on an electronic chart To provide a stem.

  The frequency used for the wireless communication between the fishing net information transmitting apparatus and the ship may be a very high frequency or a very high frequency.

  The fishing net information transmitting apparatus includes: a GPS receiving unit installed in the fishing net; a wireless modem that transmits and receives wirelessly via the antenna; a battery remaining amount detecting unit that detects an electrical remaining amount of a battery installed in the fishing net; A fishing net information transmission control unit which is connected to the GPS receiver and the battery remaining amount detecting unit and transmits the position information of the fishing net, the identifier and the electric remaining amount information of the battery installed in the fishing net via the wireless modem; May be included.

  The fishing net information transmission control unit, when the ship calls an identifier of the fishing net, when the frequency used by the wireless modem for transmission is not received, the position information of the fishing net, the identifier, and the remaining electric power information of the battery. It may be sent encrypted.

  The fishing net information receiving device is a wireless modem that transmits and receives wirelessly via the antenna; calls the fishing net with an identifier via the wireless modem; and information on the position of the fishing net, the identifier, and an electrical residual of a battery installed in the fishing net A fishing net information receiving unit for receiving quantity information; and an external interface for interfacing the fishing net information receiving unit with an external signal end.

  The fishing net management device is configured to interface with the GPS receiving unit installed on the ship; the GPS receiving unit, the external interface, and the electronic chart storage unit, respectively, and the position of the fishing net on the electronic chart and the A coordinate calculation unit for calculating the position of the ship; and the calculation of the coordinate calculation unit to display the position of the fishing net, the identifier and the position of the ship on an electronic chart, and separately the remaining amount of electricity of the battery installed in the fishing net A display unit for displaying may be included.

  The fishing net management system further includes a housing for installing and protecting the antenna and the fishing net information transmitting device therein, and the housing has a protective cap placed on the antenna, and openings are formed at the upper end and the lower end. A circular rotary lock device in which an opening is formed in the upper case and an upper end and a closed lower case is joined at the lower end; an opening is formed in the upper and lower ends, and an internal thread is formed in the inner periphery. Covering the outer periphery of the upper case, the upper case is brought into close contact with and coupled to the lower case by causing the female screw portion to approach or come into contact with the male screw portion formed on the outer periphery of the upper end portion of the lower case. The battery is fixed in the lower case, a protective plate is coupled to the lower end of the upper case, and the GPS receiver and the wireless model are connected to the upper side of the protective plate. , Printed circuit board fishing net information transmission control unit and the battery remaining amount detecting section is mounted may be configured by being mounted.

  A reflective tape may be provided on the outer periphery of the lower portion of the protective cap.

  The weight center adjustment weight is mounted in the lower case, so that the housing stands on the water, and the upper ring and the lower ring are respectively extrapolated and fixed to the upper outer periphery of the lower case, A ring-shaped buoyancy material may be extrapolated to the outer periphery of the lower case between the upper ring and the lower ring, so that the housing floats perpendicularly to the water.

  A ring-shaped waterproof packing may be provided around the opening formed at the upper end of the upper case.

  Ring-shaped first and second packings may be provided around the opening formed at the lower end of the upper case.

According to the present invention, the position information of the fishing net, the identifier, and the battery remaining amount information are received by wireless communication from the fishing net information transmitting device installed in the fishing net, and the position of the fishing net, the identifier, and the battery of the fishing net are displayed on the electronic chart of the screen. Because the remaining amount is displayed, the position of the fishing net is intuitively understood, the time required for searching the fishing net is shortened, the required fuel and human resources are reduced, and the remaining amount of the fishing net battery can be easily managed. effective.
In addition, since ultra-high frequency or ultra-high frequency is used for wireless communication between the fishing net information transmitting apparatus and the ship, the antenna for transmitting this short wave to the air is shortened, and the wireless modem is used only when calling the fishing net identifier. Since the position information, identifier and battery remaining power information of the wireless modem are transmitted, the power consumption of the wireless modem is reduced, and the capacity of the battery for driving the wireless modem is also reduced. There is also an advantage that the installation cost and the maintenance cost are reduced.

Explanatory drawing which shows the suitable Example of the fishing net management system by this invention The block diagram which shows the suitable Example of the fishing net information transmitter shown in FIG. The block diagram which shows the suitable Example of the fishing net information receiver shown in FIG. The block diagram which shows the suitable Example of the fishing net management apparatus shown in FIG. The perspective view which shows the suitable Example of the housing for installing and protecting the antenna and fishing net information transmitter shown in FIG. 1 inside 5 is an exploded perspective view of the housing shown in FIG. The top view and sectional drawing of the housing shown in FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a diagram showing a preferred embodiment of a fishing net management system according to the present invention, which includes a fishing net information transmitting apparatus 100, an antenna 103, a fishing net 110, and a ship 180. The ship 180 includes a fishing net information receiving device 120, an antenna 122, a fishing net management device 130, and an electronic chart storage unit 135.

The present invention configured as described above will be described in detail with reference to FIGS.
2 is a block diagram showing a preferred embodiment of the fishing net information transmitting apparatus 100 shown in FIG. 1, FIG. 3 is a block diagram showing a preferred embodiment of the fishing net information receiving apparatus 120 shown in FIG. 1, and FIG. It is a block diagram which shows the suitable Example of the fishing net management apparatus shown.
5 is a perspective view showing a preferred embodiment of a housing 200 for installing and protecting the antenna 103 and the fishing net information transmitting apparatus 100 shown in FIG. 1, and FIG. 6 is an exploded view of the housing 200 shown in FIG. 7 is a plan view and a cross-sectional view of the housing 200 shown in FIG.

  1 to 7, the fishing net information transmitting apparatus 100 is first installed in the fishing net 110 and wirelessly transmits the position information of the fishing net 110, the identifier, and the remaining electric power information of the battery installed in the fishing net 110 via the antenna 103. The remote ship 180 receives wirelessly. At this time, the frequency used for wireless communication between the wireless modem 102 in the fishing net information transmitting apparatus 100 and the wireless modem 121 in the fishing net information receiving apparatus 120 in the ship 180 is an ultra high frequency (UHF) or a very high frequency (VHF).

Such a fishing net information transmitting apparatus 100 will be described in detail with reference to FIG.
The GPS receiving unit 101 in the fishing net information transmitting apparatus 100 is installed in the fishing net 110, measures accurate time and distance from three or more satellites, and accurately calculates the current position by trigonometry from three different distances. Provided to the fishing net information transmission control unit 104. At present, a method of obtaining distance and time information from three satellites and correcting errors with one satellite is widely used.
The wireless modem 102 transmits and receives wirelessly via the antenna 103.
The battery remaining amount detection unit 106 detects the remaining amount of electricity of the battery 105 installed in the fishing net 110 and provides it to the fishing net information transmission control unit 104.

The fishing net information transmission control unit 104 is connected to the GPS receiving unit 101 and the battery remaining amount detecting unit 106, and receives the position information of the fishing net 110, the identifier, and the electric remaining amount information of the battery 105 installed in the fishing net 110 via the wireless modem 102. It is sent out so that the ship 180 receives it. At this time, when the ship 180 calls the identifier of the fishing net 110 via the wireless modem 102, the fishing net information transmission control unit 104, when the frequency used for transmission by the wireless modem 102 is not received via the wireless modem 102, the fishing net The position information 110, the identifier, and the remaining power information of the battery 105 are encrypted and transmitted.
As described above, when the fishing net information transmission control unit 104 encrypts and transmits the position information of the fishing net 110, the identifier, and the remaining electric power information of the battery 105, the fishing net information receiving unit in the fishing net information receiving device 120 in the ship 180. 123 restores the encrypted information received via the wireless modem 121 to the information before encryption.

The fishing net information receiving device 120 in the ship 180 receives the position information of the fishing net 110 sent from the fishing net information transmitting device 100, the identifier, and the remaining electric power information of the battery installed in the fishing net 110 via the antenna 122. Provided to the management apparatus 130.
The electronic chart storage unit 135 stores electronic chart information. At this time, the electronic chart information is preferably electronic chart information used in an electronic chart simplified system (ECS).
The fishing net management device 130 is based on the electronic chart information stored in the electronic chart storage unit 135 and the information received by the fishing net information receiving device 120, the position of the fishing net 110, the identifier, the position of the ship 180, and the fishing net 110 on the electronic chart. The remaining amount of electricity of the battery 105 installed in is displayed.

If such a fishing net information receiving device 120 is described in detail with reference to FIG. 3, the wireless modem 121 transmits and receives wirelessly via the antenna 122.
The fishing net information receiving unit 123 calls the fishing net 110 using the identifier via the wireless modem 121, and receives the position information of the fishing net 110, the identifier, and the remaining electric power information of the battery 105 installed in the fishing net 110.
The external interface 126 interfaces the fishing net information receiving unit 123 with an external signal end.

Further, the fishing net management device 130 will be described with reference to FIG. 4. The GPS receiving unit 132 is installed on the ship 180, measures accurate time and distance from three or more satellites, and triangulates from three different distances. Thus, the current position is accurately calculated and provided to the coordinate calculation unit 137 via the interface 134.
The coordinate calculation unit 137 interfaces with the GPS reception unit 132, the external interface 126, and the electronic chart storage unit 135 via the interface 134, and calculates the position of the fishing net 110 and the position of the ship 180 on the electronic chart.
The display unit 136 displays the position of the fishing net 110, the identifier, and the position of the ship 180 on the electronic chart according to the calculation of the coordinate calculation unit 137, and separately displays the remaining amount of electricity of the battery 105 installed in the fishing net 110.

The housing 200 for installing and protecting the antenna 103 and the fishing net information transmitting apparatus 100 described above will be described with reference to FIGS.
First, the protective cap 151 is put on the antenna 103, and the upper case 155 having an opening formed at the upper and lower ends and the lower case 154 having an opening formed at the upper end and sealed at the lower end are coupled. At this time, by attaching the reflective tape 150 to the outer periphery of the lower portion of the protective cap 151, the illumination of the ship 180 is reflected at night so that the position of the housing 200 can be easily searched.

Here, a ring-shaped waterproof packing 157 is provided around the opening formed at the upper end of the upper case 155.
Also, ring-shaped first and second packings 159 and 160 are formed around an opening formed at the lower end of the upper case 155.
A circular rotary lock device 156 with openings formed at the upper and lower ends and a female threaded portion at the inner periphery covers the outer peripheral surface of the upper case 155 and is formed on the outer periphery of the upper end of the lower case 154. The upper case 155 is tightly coupled to the lower case 154 when the female screw portion comes close to or comes into contact with the screw portion by rotation.

  The battery 105 is fixed in the lower case 154, and a protective plate 164 is coupled to the lower end of the upper case 155. Above the protective plate 164, the GPS receiver 101, the wireless modem 102, the fishing net information transmission control unit 104, and the remaining battery level A printed circuit board 163 on which the detection unit 106 is mounted is mounted. At this time, primary and secondary packings 158 and 161 are stacked between the protrusion 165 formed at the center of the printed circuit board 163 and the lower end of the antenna 103. Here, the protrusion 165 formed at the center of the printed circuit board 163 is inserted into a hole formed at the lower end of the antenna 103. The switch packing 162 is used on the outer periphery of the switch for driving the fishing net information transmission control unit 104.

  The weight center adjustment weight 166 is mounted in the lower case 154 so that the housing 200 stands on the water, and the upper ring 172 and the lower ring 174 are extrapolated to the upper outer periphery of the lower case 154 with an interval therebetween. Then, the ring-shaped buoyancy material 152 is extrapolated to the outer periphery of the lower case 154 between the upper ring 172 and the lower ring 174, so that the housing 200 floats vertically to the water.

In the present invention, the position information of the fishing net 110, the identifier and the remaining battery information are received by wireless communication from the fishing net information transmitting apparatus 100 installed in the fishing net 110, and the position and identifier of the fishing net 110 are displayed on the electronic chart on the screen. In addition, since the battery remaining amount of the fishing net 110 is displayed, the position of the fishing net 110 can be intuitively understood, the time for searching for the fishing net 110 is shortened, the required fuel and human resources are reduced, and the battery remaining amount of the fishing net 110 is reduced. There is an advantage that can be easily managed.
In addition, since ultra-high frequency or ultra-high frequency is used for wireless communication between the fishing net information transmitting apparatus 100 and the ship 180, the antennas 103 and 122 for transmitting the short wave to the air are shortened, and the wireless modem 102 sets the identifier of the fishing net 110. Since the position information of the fishing net 110, the identifier, and the remaining electric power information of the battery 105 are transmitted only when calling, the power consumption of the wireless modem 102 is reduced, and the capacity of the battery for driving the wireless modem 102 is also reduced. Thus, there is an advantage that the installation cost and the maintenance cost of all the equipment provided in the fishing net 110 are reduced.

  The technical idea of the present invention has been described with reference to the accompanying drawings. However, this is merely an illustrative example of the present invention, and does not limit the present invention. Further, those skilled in the art can make various design changes without departing from the scope of the technical idea of the present invention.

  The present invention receives the fishing net position information, identifier, and battery remaining amount information from the fishing net information transmitting device installed in the fishing net by wireless communication, and displays the fishing net position, identifier, and fishing net battery remaining on the electronic chart on the screen. Applicable to fishing net management system for displaying quantity.

DESCRIPTION OF SYMBOLS 100 Fishing net information transmission apparatus 101,132 GPS receiving part 102,121 Radio modem 103,122 Antenna 104 Fishing net information transmission control part 105 Battery 106 Battery residual quantity detection part 110 Fishing net 120 Fishing net information receiving apparatus 123 Fishing net information receiving part 126 External interface 130 Fishing net management device 134 Interface 135 Electronic chart storage unit 136 Display unit 137 Coordinate calculation unit 180 Ship

Claims (11)

In the fishing net 110,
The fishing net information transmitting apparatus 100 for transmitting the position information of the fishing net 110, the identifier, and the remaining amount of electricity of the battery installed in the fishing net 110 wirelessly via the antenna 103 and for wireless reception by the remote ship 180. Is installed,
The ship 180 includes
A fishing net information receiving device 120 that receives the position information of the fishing net 110 sent from the fishing net information transmitting device 100, the identifier, and the remaining electricity information of the battery installed in the fishing net 110 via the antenna 122;
An electronic chart storage unit 135 for storing electronic chart information;
Based on the electronic chart information stored in the electronic chart storage unit 135 and the information received by the fishing net information receiving device 120, the position of the fishing net 110, the identifier, the position of the ship 180 and the electricity of the battery installed in the fishing net 110 on the electronic chart. A fishing net management system comprising a fishing net management device 130 for displaying the remaining amount. The fishing net management system according to claim 1, wherein a frequency used for wireless communication between the fishing net information transmitting apparatus 100 and the ship 180 is a very high frequency or a very high frequency. The fishing net information transmitting apparatus 100 is
A GPS receiver 101 installed in the fishing net 110;
A wireless modem 102 that transmits and receives wirelessly via an antenna 103;
A battery remaining amount detection unit 106 for detecting the remaining amount of electricity of the battery 105 installed in the fishing net 110;
Fishing net information transmission control connected to the GPS receiving unit 101 and the battery remaining amount detecting unit 106 and transmitting the position information and identifier of the fishing net 110 and the electric remaining amount information of the battery 105 installed in the fishing net 110 via the wireless modem 102. The fishing net management system according to claim 1, further comprising a unit 104. When the fishing net information transmission control unit 104 calls the identifier of the fishing net 110, when the frequency used by the wireless modem 102 for transmission is not received, the position information of the fishing net 110, the identifier, and the remaining electric power information of the battery 105 are displayed. The fishing net management system according to claim 3, which is transmitted after being encrypted. The fishing net information receiving device 120
A wireless modem 121 that transmits and receives wirelessly via an antenna 122;
A fishing net information receiving unit 123 that calls the fishing net 110 with an identifier via the wireless modem 121 and receives the position information of the fishing net 110, the identifier, and the remaining electricity information of the battery installed in the fishing net 110;
The fishing net management system according to claim 1, further comprising an external interface 126 that interfaces the fishing net information receiving unit 123 with an external signal end. The fishing net management device 130
A GPS receiver 132 installed in the ship 180;
A coordinate calculation unit 137 for calculating the position of the fishing net 110 and the position of the ship 180 on the electronic chart by interfacing with the GPS receiving unit 132, the external interface 126, and the electronic chart storage unit 135 and the interface 134, respectively.
6. A display unit 136 that displays the position of the fishing net 110, the identifier, and the position of the ship 180 on the electronic chart by calculation of the coordinate calculation unit 137 and separately displays the remaining amount of electricity of the battery installed in the fishing net 110. The fishing net management system described in 1. A housing 200 for installing and protecting the antenna 103 and the fishing net information transmitting apparatus 100 inside;
The housing 200 is
A protective cap 151 is placed on the antenna 103, and an upper case 155 having an opening formed at the upper and lower ends and a lower case 154 having an opening formed at the upper end and sealed at the lower end are combined.
A circular rotary locking device 156 having openings formed at the upper and lower ends and having an internal thread formed at the inner periphery covers the outer periphery of the upper case 155 and is formed at the outer periphery of the upper end of the lower case 154 The upper case 155 is tightly coupled to the lower case 154 by the female screw portion approaching or abutting on the part by rotation,
The battery 105 is fixed in the lower case 154, and a protective plate 164 is coupled to the lower end of the upper case 155. Above the protective plate 164, the GPS receiver 101, the wireless modem 102, the fishing net information transmission control unit 104, and the remaining battery level The fishing net management system according to claim 3, wherein a printed circuit board 163 on which the detection unit 106 is mounted is mounted. The fishing net management system according to claim 7, wherein a reflective tape 150 is provided on a lower outer periphery of the protective cap 151. A weight center adjustment weight 166 is mounted in the lower case 154 so that the housing 200 can stand up in water, and an upper ring 172 and a lower ring 174 are externally fixed to the upper outer periphery of the lower case 154 with an interval between them. The fishing net management system according to claim 7, wherein the housing 200 is vertically floated in water by extrapolating the buoyant material 152 between the upper ring 172 and the lower ring 174 to the outer periphery of the lower case 154. The fishing net management system according to claim 7, wherein a ring-shaped waterproof packing 157 is provided around an opening formed at an upper end of the upper case 155. The fishing net management system according to claim 7, wherein ring-shaped first and second packings 159 and 160 are provided around an opening formed at a lower end of the upper case 155.

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