JP2019104419A - Offshore wind farm - Google Patents

Abstract

To provide a fishery cooperation type offshore wind farm in which offshore wind power generation and fishery can cooperate.SOLUTION: An offshore wind farm F includes a plurality of offshore wind power generation facilities 1 separated from each other, and an inner area 2 surrounded by the plurality of offshore wind power generation facilities 1. The plurality of offshore wind power generation facilities 1 are arranged annularly in a plane view so that the inner area 2 is a fishing ground. The offshore wind farm F includes a seafood monitoring device 3 for monitoring seafood in the inner area 2, natural environment information acquisition means 4 for acquiring natural environment information in the ocean or on the ocean in the inner area 2, and a feeding device 5 for feeding seafood, which is provided to each of the offshore wind power generation facilities 1.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an offshore wind farm.

  In recent years, construction of offshore wind farms has been promoted. As the said offshore wind farm, what arrange | positioned several offshore wind power generation equipment in zigzag form is known (for example, patent document 1).

  FIG. 8 is a schematic plan view showing a conventional floating offshore wind farm. As shown in FIG. 8, the conventional offshore wind farm 100 arranges the offshore wind power generation facilities 110 in a zigzag form along the direction perpendicular to the wind direction D most frequently appeared in the installation area, and the upwind offshore wind power generation facility It is intended to suppress the influence of windward winds 110 on the offshore wind turbine 110. The offshore wind power generation facility 110 extends from the floating body 130 to the seabed, the floating body 130, a plurality of mooring cords 140 extending from the floating body 130 into the sea, an anchor 150 attached to the tip of each mooring cord 140 A transmission line (not shown) for transmitting power obtained by wind power generation on land is mainly provided.

JP 2011-521820 gazette

  However, when the offshore wind power generation facility 110 is arranged in a zigzag manner, the inner region 120 of the offshore wind farm 100 becomes narrow, and for example, a mooring cord 140 installed by a fishing net such as bottom pulling net fishing or winding net fishing in the seabed or sea. And fishing lines can not be deployed because they are caught on power transmission lines. Therefore, there is a problem that the offshore wind power generation facility 110 interferes with the fishery.

  Therefore, an object of the present invention is to provide a fishery coordinated type offshore wind farm that can coordinate offshore wind power generation and fishery.

  The offshore wind farm according to the present invention comprises a plurality of offshore wind power facilities spaced apart from one another and an inner region surrounded by a plurality of the offshore wind power facilities, wherein the plurality of offshore wind power facilities comprises the inner region It is characterized in that it is annularly arranged in a plan view so as to be a fishing ground.

  According to the present invention, since the plurality of offshore wind power generation facilities are annularly arranged in a plan view, it is possible to secure a wide inner region of the offshore wind farm as compared to the conventional staggered arrangement. In this way, the inner region surrounded by a plurality of offshore wind power generation facilities can be used as a fishing ground to develop fishing nets such as bottomed net fishing and net fishing, and fishery such as fish farming in aquaculture production facilities. Wind power and fishery can be coordinated.

  Preferably, the offshore wind farm comprises a fish and shellfish monitoring device for monitoring fish and shellfish in the inner region. In this way, it is possible to grasp fish and shellfish information such as the presence of fish and shellfish in the inner region, the position of fish and shellfish, the activity state of fish and shellfish, the type of fish and shellfish, the number of fish and shellfish and the fish size.

  Moreover, it is preferable that the said offshore wind farm is provided with the natural environment information acquisition means which acquires the natural environment information in the sea in the said inner side area | region, or the sea. In this way, it is possible to grasp natural environment information in the sea or the sea in the inner area.

  Moreover, it is preferable that the said offshore wind farm is provided in the said offshore wind power generation installation, and is provided with the feeding apparatus which feeds to seafood. In this way, seafood can be collected in the inner area.

  In addition, the offshore wind farm comprises a seafood monitoring apparatus for monitoring fish and shellfish in the inner region, natural environment information acquiring means for acquiring underwater or ocean natural environment information in the inner region, and a plurality of the offshore wind power generators. The system comprises: a feeding device provided in each facility and feeding fish and shellfish, and a management device for determining the feeding device to feed from among the plurality of feeding devices, the management device including the shellfish in the inner region In order to collect, it is preferable to determine the feeding device to be fed based on the fish and shellfish information acquired by the fish and shellfish monitoring device and the natural environment information acquired by the natural environment information acquiring means. In this way, it is possible to determine which feeding device is effective and efficient to use based on fish and shellfish information and natural environment information, and to minimize the amount of feeding.

  The natural environment information acquisition means comprises at least a tidal current meter, and the management device is for fish and shellfish based on position information of fish and shellfish acquired by the fish and shellfish monitoring device and tidal current information acquired by the tidal wave meter Preferably, the feeding device located upstream of the tidal current is determined as the feeding device to be fed. In this way, by adding the tidal current, it is possible to feed more efficiently while suppressing wasteful feeding.

  Moreover, it is preferable that the said management apparatus is installed on land, and controls the said feeding apparatus by remote control. In this way, it is possible to feed the inner area of an offshore wind farm even during a storm and to retain fish and shellfish in the inner area of the offshore wind farm. In addition, when fish and shellfish are cultured with the live fish cage provided in the offshore wind power generation facility, it is possible to prevent the death of fish and shellfish even if human feeding is not possible for a long time as in the winter Japan Sea.

  According to the present invention, offshore wind power generation and fishery can be coordinated.

It is a schematic plan view showing the offshore wind farm which is one embodiment of the present invention. It is a partially broken perspective view which shows the offshore wind power generation equipment which concerns on embodiment of this invention. It is explanatory drawing which shows the state which the floating body has floated. It is explanatory drawing which shows the state which the floating body is sunk rather than the state of FIG. It is a V-V cross-sectional view of FIG. It is a functional block diagram of the offshore wind farm which is one embodiment of the present invention. It is a partially broken perspective view which shows the offshore wind power generation equipment which concerns on the modification of this invention. It is a schematic plan view showing a conventional floating offshore wind farm.

  Hereinafter, an embodiment of the present invention will be described. As shown in FIG. 1, the offshore wind farm F includes a plurality of offshore wind power generation facilities 1 spaced apart from one another and an inner region 2 surrounded by the plurality of offshore wind power generation facilities 1.

  The plurality of offshore wind turbines 1 are annularly arranged in a plan view such that the inner region 2 is a fishing ground. In other words, the plurality of offshore wind power generation facilities 1 are disposed equiangularly apart on the same circumference, and a virtual line L connecting the centers of all the offshore wind power generation facilities 1 has an annular shape in plan view. Take on. Although the arrangement angle and the number of bases of the offshore wind power generation facility 1 are not particularly limited, in the present embodiment, ten are arranged at intervals of 36 degrees. The distance between adjacent offshore wind turbines 1, 1 is set, for example, to 1.5 km. The circumference of the imaginary circle of the offshore wind farm F is, for example, 15 km, and the diameter of the imaginary circle of the offshore wind farm F is, for example, about 4.8 km. The inner area 2 is an area where fishery such as capture and culture of fish and shellfish can be performed. That is, the inner region 2 has a wide area in which fishing can be performed such as the development of fishing nets such as bottoming net fishing and winding net fishing, and aquaculture of fish and shellfish in an aquaculture production facility. The inner region 2 has a circular shape in plan view.

  As shown in FIG. 2, the offshore wind turbine 1 includes a floating body 1 a and an offshore wind turbine 1 b. The offshore wind turbine 1b is a horizontal axis wind turbine in the present embodiment, and includes a tower 70, a nacelle 80, a blade 90, and the like. The height of the tower 70 is, for example, about 70 to 100 m. In addition, the weight of the nacelle 80 is, for example, about 100 to 400 t. Also, the length of the blade 90 is, for example, about 40 to 80 m.

  The floating body 1a is a structure on which the offshore wind turbine 1b is mounted, and can be floated as shown in FIG. 3 or sunk from the state of FIG. 3 as shown in FIG. The floating body 1a mainly includes a floating body main body 10, a ballast mechanism 20, a mooring facility 30, a support member 40, a net-like member 50, and a fishing rod 60, as shown in FIG.

  The floating body main body 10 is a semi-sub metallic floating body and is a portion to be a base of the floating body 1a. The floating body main body 10 is configured to include a center column 11, a plurality of side columns 12, and a connecting member 13.

  The center column 11 is a cylindrical member disposed at the center of the floating body 10 and extending in the vertical direction. At the lower end of the center column 11, a large diameter portion 11a whose diameter is enlarged is formed. The offshore wind turbine 1b is installed on the center column 11 in the present embodiment.

  The side columns 12 are cylindrical members which are spaced apart from one another and disposed so as to surround the center column 11. The number of side columns 12 is not particularly limited, but three are arranged in the present embodiment. Moreover, although the size of the side column 12 may be set appropriately, for example, the side column 12 is formed to have a diameter of 5 to 10 m. The three side columns 12 are arranged at equal intervals in the circumferential direction of a circle centered on the center column 11. An imaginary line connecting centers of the three side columns 12 has an equilateral triangle shape in plan view. The arrangement of the side columns 12 may be changed as appropriate. Although not shown, the side column 12 is provided with equipment for landing. Provision of the installation facility enables manual management of aquaculture in the livelihood 60.

  At the lower end of the side column 12, a large diameter portion 12a having a diameter increased is formed. The diameter of the side column 12 is larger than the diameter of the center column 11. The height of the side column 12 is equal to the height of the center column 11. The heights of the center column 11 and the side columns 12 are set to, for example, about 30 m. The distance between the adjacent side columns 12, 12 is set to, for example, about 60 m.

  The connection member 13 is a member that connects the center column 11 and the side columns 12 to each other. The connection member 13 includes three upper connection members 13a, three lower connection members 13b, and three brace members 13c. Each of the members 13 a, 13 b and 13 c is disposed one by one between the center column 11 and one side column 12. The upper connection member 13 a horizontally connects the upper outer peripheral surfaces of the center column 11 and the side column 12. The lower connection member 13 b horizontally connects the lower end outer peripheral surfaces (large diameter portions 11 a and 12 a) of the center column 11 and the side column 12. The brace member 13 c diagonally connects the upper end outer peripheral surface of the center column 11 and the lower end outer peripheral surface of the side column 12 between the upper connection member 13 a and the lower connection member 13 b.

  The ballast mechanism 20 is a mechanism that adjusts the draft and posture of the floating body main body 10. The ballast mechanism 20 includes a ballast tank 21, a ballast control board 22 and the like.

  The ballast tank 21 is installed downward in the side column 12 and can store ballast water (for example, seawater). Although not shown, the side column 12 is provided with a seawater inlet and outlet. The ballast tank 21 is in communication with the water inlet and the outlet via a ballast pipe, a ballast pump, a ballast valve, and the like.

  The ballast control panel 22 controls the operation of the ballast pump and the opening and closing of the ballast valve to control the amount of water in the ballast tank 21. The ballast control board 22 is installed in the side column 12 above the ballast tank 21.

  By adjusting the amount of water in the ballast tank 21 of each side column 12 individually, the floating body 1 a can control the draft and posture of the floating body 10. Specifically, the floating body 1a can float the floating body main body 10 by draining a predetermined amount of ballast water in each ballast tank 21 as shown in FIG. On the other hand, it is possible for the floating body 1a to sink a predetermined amount of ballast water in each ballast tank 21 as shown in FIG. 4 and to sink the floating body 10 from the state of FIG.

  The mooring facility 30 is a facility for maintaining the position of the floating body 10 on the ocean. The mooring installation 30 is comprised including the mooring cord 31 and the sea bottom mooring material 32 (refer FIG. 3, FIG. 4).

  The mooring cords 31 extend from the side columns 12 into the sea in an inclined state, and further extend along the seabed surface from reaching the seabed S to an anchor point where the seabed mooring material 32 is located. The number of mooring cords 31 is not particularly limited, but in the present embodiment, two are installed in each side column 12. One end of the mooring cord 31 is connected to a stopper 12 b installed on the upper end outer peripheral surface of the side column 12. Although the mooring cord 31 is not particularly limited, a chain is used in the present embodiment. The mooring cord 31 may be, for example, a rope or the like.

  The seabed mooring material 32 is attached to the other end of the mooring cord 31 and holds the floating body 10 on the sea surface. Although the seabed mooring material 32 is not particularly limited, in the present embodiment, an anchor is used. The seabed mooring material 32 may be, for example, a sinker, a pile or the like.

  As shown in FIG. 2, two supporting members 40 are provided on the outer peripheral surface of each side column 12 so as to support the mesh member 50. The support member 40 is extended along the height direction of the side column 12 and has a substantially U-shape in plan view. The support member 40 is formed with a support groove 41 opened upward and laterally. The support groove 41 is configured to include a slit-like opening that is open at the central part in the width direction of the support member 40, and a hollow part whose groove width is formed wider than the opening. The support members 40 and 40 of the adjacent side columns 12 and 12 are installed in parallel so that the openings face each other.

  The mesh member 50 is a member installed so as to connect the adjacent side columns 12 and 12 to each other. The mesh member 50 is not particularly limited, and is, for example, a wire mesh or a synthetic fiber mesh. The mesh member 50 is configured to include a bottom mesh portion 51 and three side mesh portions 52.

  The bottom net portion 51 is a portion that constitutes the bottom portion of the fish scale 60. The bottom net portion 51 is installed so as to connect the lower end outer peripheral surfaces of the three side columns 12, as shown in FIGS. 2 and 5, and has a triangular shape in a plan view. A circular through hole 51 a for passing the center column 11 is formed at the center of the bottom net portion 51. The bottom net portion 51 is installed across the three lower connecting members 13 b and the four large diameter portions 11 a and 12 a in the present embodiment. The bottom net portion 51 is connected to the lower connection member 13 b and the large diameter portions 11 a and 12 a by fixing means (not shown).

  The side net portion 52 is a portion that constitutes the side of the living scale 60. The side mesh portion 52 is installed so as to connect the outer peripheral surfaces of the adjacent side columns 12 and 12 and has a horizontally long rectangular shape in a side view. The lower end of the side mesh portion 52 abuts on the periphery of the bottom mesh portion 51 and is connected by fixing means (not shown). Both side ends of the side mesh portion 52 are detachably supported in the support groove 41 of the support member 40. The plate thickness dimension of the side mesh portion 52 is substantially equal to the width dimension of the opening of the support groove 41. The side mesh portion 52 is configured to be attachable to and detachable from the side column 12 via the support member 40. The attachment / detachment operation of the side mesh portion 52 is performed through the upper opening of the support groove 41. Although illustration is omitted, it is preferable to carry out the attachment / detachment work of the side mesh portion 52 by a lifting equipment such as a crane installed in the side column 12.

  The salmon cage 60 is formed by being surrounded by the plurality of side columns 12 and the reticulated member 50, and is a facility for cultivating (raising) fish and shellfish. The side column surrounding part of the storage cage 60 is formed utilizing the dead space of the floating body 10 (the inner space surrounded by the three side columns 12). The fish scale 60 has a bottomed triangular cylindrical shape opened upward. One side of the triangle of the fish scale 60 has substantially the same size (for example, about 60 m) as the distance between the adjacent side columns 12. The live basket 60 moves up and down according to the draft adjustment (up and down) of the floating body main body 10. Although not shown, the upper opening of the cage 60 may be covered with a skylight. Also, when capturing fish and shellfish in the storage cage 60, a fish net attached to a lifting equipment installed in the side column 12 may be used.

  A fishing apparatus such as a winch may be mounted on the offshore wind power generation facility 1. The power required for the fishing equipment may be supplied from the offshore wind turbine 1b or a land-based power generation facility.

  In the above embodiment, the groove-shaped support member 40 is used, but it may be removable using an annular support member. In this case, a hook-shaped hooking member attached to the side net 52 is hooked to the hooked portion of the support member. In addition, it is preferable to install a plurality of support members along the height direction of the side column 12 because the stability of the side mesh portion 52 is enhanced. In addition, a string-like support member may be used. In this case, the mesh of the side mesh 52 is bound to the side column 12 through the support member. Two or more of these support members may be used in combination. Further, the mesh member 50 may be configured to be movable in the vertical direction by electric or manual operation.

  Moreover, in said embodiment, although the floating body 1a provided with the cage 60 was used, it is good also as a structure which is not equipped with the cage 60. As shown in FIG. In this case, the number of parts can be reduced by omitting the support member 40 and the mesh member 50.

  FIG. 6 is a functional block diagram of an offshore wind farm F according to an embodiment of the present invention. As shown in FIG. 6, the offshore wind farm F mainly includes a control unit X installed in each offshore wind power generation facility 1 and a management device 7 installed on land. In the present embodiment, ten control units X are also provided because ten offshore wind power generation facilities 1 are arranged. When the control unit X is described individually, it is described as control units X1, X2,..., X10 (see also FIG. 1). The control units X1 to X10 and the management device 7 are electrically connected by wire or wirelessly. Since each control unit X has the same configuration, the control unit X1 will be described.

  As shown in FIG. 6, the control unit X (X1) mainly includes a fish and shellfish monitoring device 3, a natural environment information acquiring unit 4, a feeding device 5, and a control device 6.

  The fish and shellfish monitoring device 3 is a device for monitoring and collecting fish and shellfish in the inner region 2 and the salmon cage 60 and acquiring fish and shellfish information. The fish and shellfish monitoring apparatus 3 is not particularly limited, and is, for example, an underwater camera, a fish finder, and the like. The fish and shellfish information includes, for example, the presence of fish and shellfish in the inner region 2 and the live salmon 60, the position of fish and shellfish, the activity state of fish and shellfish, the type of fish and shellfish, the number of fish and shellfish, and fish size. The fish and shellfish monitoring apparatus 3 is installed so as to be located in the sea or the sea at or around the floating body main body 10. The fish and shellfish monitoring apparatus 3 is electrically connected to the controller 6 by wire or wirelessly. The acquired fish and shellfish information is to be transmitted to the control device 6. Acquisition of fish and shellfish information by the fish and shellfish monitoring apparatus 3 may be performed for 24 hours continuously or at time intervals, or may be performed at any time of the worker. The fish and shellfish monitoring apparatus 3 may be installed in plural or movable (swivelable) in order to widen the monitorable range.

  The natural environment information acquisition means 4 is a means for acquiring the natural environment information in the sea or the sea in the inner area 2 and the living area 60. The natural environment information acquisition means 4 is not particularly limited, and is, for example, a tidal current meter, a wind direction meter, a wave direction meter, an anemometer, a water temperature meter, a water quality meter, a water depth meter, a wave height meter, a wave height meter, an oximeter and the like. Natural environment information includes, for example, tidal current, wind direction, wave direction, wind speed, water temperature, water quality, water depth, wave height, oxygen concentration, and the like in the inner region 2 and the live cage 60. The natural environment information acquisition means 4 is installed so as to be located in the sea or the sea around the floating body main body 10 or the periphery thereof. The natural environment information acquiring unit 4 is electrically connected to the control device 6 by wire or wirelessly. The acquired natural environment information is to be transmitted to the control device 6. Acquisition of natural environment information by the natural environment information acquisition means 4 may be performed continuously for 24 hours or at intervals of time, or may be performed at any timing of the worker.

  The feeding device 5 is installed at each offshore wind power generation facility 1 and is a device for feeding the fish and shellfish in the inner region 2 and the fish cage 60. Although illustration is abbreviate | omitted, the feeding apparatus 5 is comprised including a housing | casing, an inlet, an outlet, a valve, a board | substrate, etc. As shown in FIG. The feeding device 5 is electrically connected to the control device 6 by wire or wirelessly. The feeding device 5 is configured to receive a feeding start signal and a feeding time signal from the management device 7 to be described later and feed a predetermined time. The installation position and the number of the feeding devices 5 are not particularly limited, but as shown in FIG. 2, in the present embodiment, one is installed on the outer peripheral surface on the lower end side of each side column 12 and one is installed in the center column 11 . The feeding device 5 of the side column 12 feeds the fish and shellfish in the inner area 2, and the feeding device 5 of the center column 11 feeds the fish and shellfish in the live salmon 60. Although the feeding apparatus 5 was installed in the sea in this embodiment, it may be installed in the sea.

  The control device 6 is configured by a computer including a transmitting unit 6a, a receiving unit 6b, a control unit 6c, an input unit 6d, a storage unit 6e, and a display unit 6f. The control device 6 is installed in each offshore wind power generation facility 1. The control device 6 is electrically connected to the management device 7 by wire or wirelessly. The power required for the control device 6, the fish and shellfish monitoring device 3, the natural environment information acquisition means 4, and the feeding device 5 may be supplied from the offshore wind turbine 1b or a land-based power generation facility.

  The transmitting unit 6a has a function of associating information data such as fish and shellfish information and natural environment information with the control unit X (here, the control unit X1) and transmitting it to the management device 7. The receiving unit 6 b has a function of receiving a feeding start signal, a feeding time signal, and the like transmitted from the management device 7. The received feeding start signal and feeding time signal are sent to the control unit 6c.

  The control unit 6c has a function of controlling the feeding device 5 based on the feeding start signal and the feeding time signal sent from the receiving unit 6b. When the feeding start signal, the feeding time signal, and the like are received, the control unit 6c controls the feeding device 5 to feed for a predetermined time.

  The input unit 6d is configured to include a keyboard, a mouse, and the like. The storage unit 6e has a function of storing fish and shellfish information, natural environment information and the like in association with the control unit X (here, the control unit X1). The display unit 6 f is configured to include a display device. The display unit 6f displays the fish and shellfish information and natural environment information of the control unit X, the operating condition of the feeding device 5, an input form for assisting data input, and the contents of various information stored in the storage unit 6e. . The information of the storage unit 7c to be described later may be displayed on the display unit 6f so that, for example, each information acquired by the control units X1 to X10 can be displayed.

  The management device 7 is configured by a computer including an input unit 7a, a receiving unit 7b, a storage unit 7c, a determination unit 7d, a transmitting unit 7e, and a display unit 7f. The management device 7 is installed on land in the present embodiment, but may be installed in one offshore wind power generation facility 1 or the like. The management device 7 has a function of controlling the feeding device 5 of each control unit X by remote control from the ground.

  The input unit 7a includes a keyboard, a mouse and the like. The information input using the input unit 7a is stored in the storage unit 7c. A user inputs various basic information such as position information (latitude, longitude) of each offshore wind power generation facility 1 using the input unit 7a.

  The receiving unit 7b has a function of receiving each piece of information data such as fish and shellfish information and natural environment information transmitted from the transmitting unit 6a of each control unit X (X1 to X10). Each information data such as fish and shellfish information and natural environment information is sent to the storage unit 7c.

  The storage unit 7c includes, for example, a hard disk drive (HDD), a random access memory (RAM), a read only memory (ROM), and the like. The storage unit 7c stores various programs and data for the determination unit 7d to execute each processing, such as information input using the input unit 7a, fish and shellfish information received by the reception unit 7b, and natural environment information. Have a function to The fish and shellfish information and the natural environment information and the like received by the receiving unit 7b are stored in the storage unit 7c in association with each control unit X (X1 to X10). In addition, basic information such as position information of each offshore wind power generation facility 1 is stored in the storage unit 7 c in association with each offshore wind power installation 1.

  The determination unit 7 d is a part that determines which feeding device 5 is to be fed based on the acquired fish and shellfish information, natural environment information, and the like and the various programs. Whether to feed the feeding device 5 of each control unit X based on various programs while reading out position information, natural environment information, fish and shellfish information, etc. of each offshore wind power generation facility 1 from the storage unit 7c Determine The determination unit 7d transmits the determination result (feeding start signal and feeding time signal) to each control unit X via the transmission unit 7e. Here, based on tidal current information obtained from a tidal meter and position information of seafood, a determination process of the feeding device 5 to be fed is illustrated and described.

  For example, as shown in FIG. 1, while acquiring the data in which the fish school Z exists in the inner area 2 from the position information of the fish and shellfish, the tide is from the control unit X1 direction to the control unit X6 direction from the tidal current data Suppose that you have acquired data that is flowing fast (see dotted arrow).

  In this case, when feeding from the feeding device 5 according to the control units X5 to X7 located on the downstream side of the tidal flow with respect to the fish school Z, the feed flows in the direction away from the fish school Z and the inner region 2 along the tide flow. I will. Therefore, in this case, the determination unit 7d determines to feed from the feeding device 5 related to the control units X1, X2, X10 located on the upstream side of the tidal current with respect to the fish school Z. As a result, the school of fish Z can be kept in the inner area 2 and the feed can be efficiently fed without waste.

  The determination of the determination unit 7d may be performed based on other natural environment information (water temperature, wind direction, wave direction, oxygen concentration, etc.), and other fish and shellfish information (type of fish and shellfish, number of individuals, fish and shellfish) The determination may be made based on various information such as activity etc., or a plurality of such information may be determined in combination.

For example, when data indicating that there are few fish and shellfish in the inner region 2 is obtained, the determination unit 7d determines to stop feeding for a predetermined time (for example, a long time) to the feeding devices 5 of all control units X You may do so.
On the other hand, when data indicating that there is a large amount of fish and shellfish in the inner region 2 is obtained, the determination unit 7d selects all or some of them and feeds the feeding device 5 of the control unit X for a predetermined time (for example, short time) You may decide to do the

  Further, in the present embodiment, since the offshore wind power generation facility 1 is provided with the sacrifices 60, the determination unit 7d performs determination of the feeding device 5 to be fed in the sacrifices 60 based on the program corresponding to each of the sacrifices 60. It is preferable that the program makes the determination based on the information on fish and shellfish in the fish cage 60 and the natural environment information. It is preferable to constitute so that it may be fed by the feeding apparatus 5 provided in the center column 11 with respect to the salmon cage 60. As shown in FIG.

  The transmitter 7e has a function of transmitting the determination result sent from the determination unit 7d to the receiver 6b of the control device 6 of each control unit X.

  The display unit 7 f is configured to include a display device and the like. The display unit 7 f displays the operation status of each feeding device 5, the contents of various information stored in the storage unit 7 c, and the like.

  The offshore wind farm F according to the present embodiment is basically configured as described above. Next, the function and effect will be described.

  According to the present embodiment, as shown in FIG. 1, since the plurality of offshore wind power generation facilities 1 are disposed in an annular shape in plan view, the inner region of the offshore wind farm F is compared with the conventional staggered placement. It becomes possible to secure 2 widely. As a result, the inner region 2 surrounded by the plurality of offshore wind power generation facilities 1 can be used as a fishing ground to carry out the development of fishing nets such as bottomed net fishing and winding net fishing, and fishery such as fish farming in aquaculture production facilities And offshore wind power and fishery can be coordinated. In addition, since the offshore wind power generation facility 1 creates shadows on the sea and algae adheres to the floating body main body 10, the mooring cords 31 and the like, fish and shellfish easily live around the offshore wind power generation facility 1 and the inner region 2 .

  In addition, since the offshore wind farm F is provided with a fish and shellfish monitoring apparatus 3 for monitoring fish and shellfish in the inner area 2 and the live salmon 60 as shown in FIG. 6, the presence of fish and shellfish in the inner area 2 and the live salmon 60, It is possible to grasp fish and shellfish information such as the position of fish and shellfish, the activity state of fish and shellfish, the type of fish and shellfish, the number of fish and shellfish individuals, and the fish size.

  In addition, as shown in FIG. 6, the offshore wind farm F is provided with a natural environment information acquiring means 4 for acquiring natural environment information in the sea or the sea in the inner area 2 and the live area 60. It is possible to grasp natural environment information in the sea or the sea in Thereby, for example, when using the inside area 2 and the inside of the salmon cage 60 as a fish farm, it is possible to select fish and shellfish suitable for the environment in the inside area 2 and the salmon cage 60.

  In addition, since the fish and shellfish information and the natural environment information in the inner region 2 and the live fish cage 60 are transmitted to the management device 7 installed on the land, it is possible to monitor the fish and shellfish and grasp the environment on the land.

  Moreover, since the offshore wind farm F is provided with the offshore wind power generation facility 1 and equipped with the feeding device 5 for feeding the seafood as shown in FIG. 2 and FIG. 6, the seafood can be collected in the inner region 2. Further, in the present embodiment, since the adjacent offshore wind turbines 1 are sufficiently separated, the fishing boat in the inner area 2 can easily enter and leave. In addition, fish and shellfish can be cultured easily in the salmon cage 60.

  Further, for example, the management device 7 of the present embodiment is positioned upstream of the tidal current with respect to the fish and shellfish based on the position information of the fish and shellfish acquired by the fish and shellfish monitoring device 3 and the tidal current information acquired by the tidal meter. It is decided to feed from the feeding device 5 of the offshore wind turbine 1. As a result, it is possible to determine which feeding device 5 is effective and efficient to use based on fish and shellfish information and natural environment information, and to minimize the amount of feeding.

  Further, the management device 7 is installed on land and can control the feeding device 5 by remote control, so that it can feed the inner region 2 of the offshore wind farm F even during a storm, and the inner region 2 of the offshore wind farm F Fish and shellfish can be retained. In addition, when fish and shellfish are cultured in the salmon cage 60, it is possible to prevent the death of fish and shellfish even if it can not be fed for a long time as in the winter Japan Sea.

  Further, as shown in FIG. 2, the reticulated member 50 is attached to the offshore wind power generation facility 1 itself including the floating body main body 10, the mooring facility 30 and the like to form the fishing raft 60. become. Thus, it is possible to perform aquaculture fishing while performing offshore wind power generation with a simple structure.

  Further, since the mesh member 50 is configured to be attachable to and detachable from the side column 12, the resistance of the floating body 1a can be reduced by removing the mesh member 50 when towing the offshore wind power generation facility 1 It becomes. As a result, the offshore wind turbine 1 can be smoothly towed to the installation area. Further, the mesh member 50 can be removed from the side column 12 so that the maintenance operation of the mesh member 50 can be easily performed.

  Further, in order to adjust the draft of the floating body main body 10, the floodwater main body 10 is submerged by injecting a predetermined amount of ballast water into each ballast tank 21 in bad weather such as a storm to make the sacrifice 60 under the sea surface. It can be sunk to protect the mesh member 50. On the other hand, when the floating body main body 10 is floated by draining a predetermined amount of ballast water in each ballast tank 21 in normal times, it is possible to float the fish cage 60 near the sea surface.

Although the embodiments of the present invention have been described above, design changes can be made as appropriate without departing from the spirit of the present invention.
In the embodiment, the offshore wind turbine 1 is disposed in a ring shape, but the present invention is not limited to this, and may be appropriately changed according to the condition of the seabed, fish species, fishing method and the like. For example, the offshore wind power generation facility 1 may be disposed in a polygonal ring such as a triangular ring or a square ring in a plan view, an elliptical ring, an oval ring, or the like.
In the embodiment, the plurality of offshore wind turbines 1 are arranged at equal intervals on the same circumference, but may not be arranged on the same circumference, or may be arranged at unequal intervals. That is, since it is assumed that the floating bodies 1a can not be arranged on regular lines or at equal intervals if the seabed mooring material 32 can not be placed in an appropriate place due to the seabed situation, the arrangement of the offshore wind power generation facility 1 is adjusted Can be changed as appropriate.
In the embodiment, the offshore wind power generation facility 1 is arranged to form one virtual circle, but the offshore wind power generation facility 1 may be arranged to form two or more imaginary circles. In this case, the sizes of the virtual circles may be equal or different.

In the embodiment, the horizontal axis wind turbine is used as the offshore wind turbine 1b, but a vertical axis wind turbine may be used.
The configuration of the offshore wind power generation facility 1 is not limited to that of the embodiment, and may be, for example, the configuration shown in FIG. The offshore wind turbine 1A shown in FIG. 7 is different from the embodiment in that the center column 11 is not provided and the offshore wind turbine 1b is installed on one side column 12. The connection member 13 shown in FIG. 7 mutually connects adjacent side columns 12 and 12 each other. The connection member 13 includes three upper connection members 13 d and three lower connection members 13 e. Each of the members 13 d and 13 e is disposed one by one between the adjacent side columns 12 and 12. The upper connecting member 13 d horizontally connects the upper end outer peripheral surfaces of the adjacent side columns 12, 12. The lower connecting member 13e horizontally connects the lower end outer peripheral surfaces (the large diameter portions 12a, 12a) of the adjacent side columns 12, 12 to each other. In this case, it is not necessary to open the through hole 51a (see FIG. 2) for passing the center column 11 through the bottom mesh portion 51. In the present modification, since the center column 11 is not provided, the feeding device 5 for feeding fish and shellfish in the fish cage 60 has, for example, the lower connection side inner periphery of the upper connecting member 13d, the lower connecting member 13e, or the side column 12. It is installed at the tip of the mounting member 14 or the like which extends from the surface into the cage 60. FIG. 7 shows an example in which the feeding device 5 is installed at a position extending from the upper connecting member 13 d through the attachment member 14 into the cage 60, but the feeding place of the feeding device 5 is fed into the cage 60. It is not particularly limited as long as it can be performed.
In the embodiment, the semi-sub type is exemplified as the floating offshore wind power generation facility 1, but a floating offshore wind power generation facility such as a TLP type or a spar type may be used, or a landing offshore wind power Power generation equipment may be used.

  In the embodiment, the fish and shellfish monitoring apparatus 3 monitors fish and shellfish in the inner region 2 of the offshore wind farm F, but fish and shellfish in the outer region of the offshore wind farm F may be monitored. If the school of fish Z is present in the outer region, the determination unit 7d determines to feed all or some of the feeding units 5 of the control unit X. At this time, it is preferable to feed so that the bait is retained in the inner region 2 based on natural environment information such as tidal current data. Thereby, the fish school Z which exists in an outer side area | region can be attracted to the inner side area | region 2. FIG.

  In the embodiment, the enclosure is performed so that the seafood does not come out of the inner region 2 by feeding, but the enclosure may be performed using sound, light or the like, or the smell or taste of the bait may be devised and surrounded. That is, it may be enclosed using the behavior habits and senses of fish and shellfish. In addition, a net-like member may be installed between the offshore wind power generation facilities 1 and 1 to be physically enclosed. Also, when capturing fish and shellfish, sounds, lights, underwater robots, ships and the like may be used to drive them toward the fishnet. In addition, while the target fish species is reared in the inner region 2, the enemy, which is the target of the target fish species, hate the sound, sound, light, etc., is used to drive out the natural enemy from the inner region 2 You may prevent the invasion of Position information and the like of natural enemies are acquired by the fish and shellfish monitoring apparatus 3. When the odor is used, the odor generating means is installed in the offshore wind power generation facility 1. When using sound, sound generating means such as speakers and sirens are installed in the offshore wind power generation facility 1. When using light, a light emitting means such as a warning light is installed in the offshore wind power generation facility 1.

F Offshore wind farm 1 Offshore wind power generation facility 2 Inner area 3 Fish and shellfish monitoring device 4 Natural environment information acquisition means 5 Feeding device 6 Control device 7 Management device

Claims (7)

A plurality of offshore wind power plants spaced apart from one another;
An inner area surrounded by a plurality of said offshore wind power installations;
A plurality of offshore wind power generation facilities are annularly arranged in a plan view such that the inner region is a fishing ground.   The offshore wind farm according to claim 1, further comprising a fish and shell monitoring device that monitors fish and shellfish in the inner region.   The offshore wind farm according to claim 1 or 2, further comprising natural environment information acquisition means for acquiring underwater or ocean natural environment information in the inner region.   The offshore wind farm according to any one of claims 1 to 3, further comprising a feeding device provided in the offshore wind power generation facility for feeding fish and shellfish. A fish and shellfish monitoring device for monitoring fish and shellfish in the inner area;
Natural environment information acquisition means for acquiring natural environment information in the sea or the sea in the inner region;
A feeding device provided to each of the plurality of offshore wind turbines for feeding seafood;
A management device for determining the feeding device to be fed from among the plurality of feeding devices;
The feeding apparatus feeds the feeding based on fish and shellfish information acquired by the fish and shellfish monitoring apparatus and natural environment information acquired by the natural environment information acquiring unit in order to collect fish and shellfish in the inner area. An offshore wind farm according to claim 1, characterized in that the device is determined. The natural environment information acquisition means comprises at least a tidal meter.
The management device is configured to position the feeding device upstream of the tidal current with respect to the fish and shellfish based on the position information of the fish and shellfish acquired by the fish and shellfish monitoring device and the tidal current information acquired by the tidal current meter; The offshore wind farm according to claim 5, characterized in that it is determined as the feeding device to be fed.   The offshore wind farm according to claim 5 or 6, wherein the management device is installed on land and controls the feeding device by remote control.

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