Marine power supply equipment for mobile bodies

Abstract

To provide on-water electric power supply equipment for a movable body capable of surely supplying electric power to a movable body even on water such as ocean and allowing the movable body to safely land / take off.SOLUTION: On-water electric power supply equipment for a movable body is configured to function as a drone base where drones take off and land. The equipment comprises: a floating body 5 floating on water W; a structure 6 arranged so as to be relatively displaceable on this floating body and supported elastically by the floating body; stages 13A, 13B provided on at least one of the floating body and the structure, to allow drones 2A, 2B to take off / land; a damping mechanism 23 to damp the vibration of the structure against the floating body; an electric power generation-storage mechanism 8 provided on at least one of the floating body and the structure, and to generate / store electricity based on renewable energy; and an electric power supply mechanism 9 connected electrically to the electric power generation-storage mechanism, and to supply electricity to the drones from this electric power generation-storage mechanism.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] Embodiments of the present invention relate to a mobile water power supply facility for supplying power to a mobile object such as a drone on water.

Background Art

[0002] In offshore wind power generation facilities, it is necessary to inspect the appearance of the wind turbine including the blades, the floating body, and the mooring. Among these, floating wind power generation facilities, which are expected in the future, are installed in the open sea, so frequent confirmation by an inspection ship has a problem that the O&M (operation management and maintenance inspection) cost increases.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0004] For something that is not easily accessible to humans, such as an offshore wind power generation facility, inspection by a drone is necessary. However, there are problems such as difficulty in operating the drone for a long time due to power supply problems, and difficulty in taking off and landing the drone because the transport ship itself that takes off and lands the drone shakes.

[0005] Embodiments of the present invention have been made in consideration of the above circumstances, and an object thereof is to provide a mobile water power supply facility that can surely supply power to a mobile object even on water such as the open sea and can safely take off and land the mobile object.

Means for Solving the Problems

[0006] The waterborne power supply facility for a mobile body according to an embodiment of the present invention includes a floating body floating on water, a structure disposed so as to be relatively displaceable with respect to the floating body and elastically supported, a stage provided on at least one of the floating body and the structure for taking off and landing the mobile body, a vibration damping mechanism for damping the vibration of the structure with respect to the floating body, a power generation mechanism provided on at least one of the floating body and the structure for generating power based on renewable energy, and a power storage mechanism for storing the power generated by the power generation mechanism. A power generation and storage mechanism comprising the power generation mechanism and the power storage mechanism, and a power supply mechanism electrically connected to the power generation and storage mechanism for supplying the power from the power generation and storage mechanism to the mobile body. a plurality of the floating bodies are provided, and one of the structures is disposed on each of the floating bodies so as to be relatively displaceable and is elastically supported, It is characterized in that it is configured to function as a mobile body base where the mobile body takes off and lands.

Advantages of the Invention

[0007] According to the embodiment of the present invention, reliable power supply to the mobile body can be achieved even on water such as the open sea, and the mobile body can be safely taken off and landed.

Brief Description of the Drawings

[0008]

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Embodiments for Carrying Out the Invention

[0009] Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. [A] First Embodiment (FIG. 1) FIG. 1 is an overall configuration diagram showing a water-based power supply facility for drones as a mobile water-based power supply facility according to the first embodiment. The water-based power supply facility for drones 1 as a mobile water-based power supply facility shown in FIG. 1 functions as a mobile base on the ocean, for example, a drone base where the aerial drone 2A and the underwater drone 2B as mobile bodies take off and land, and includes a floating body 5, a structure 6, a vibration damping mechanism 7, a power generation and storage mechanism 8, and a power supply mechanism 9.

[0010] The floating body 5 is formed in a bottomed cylindrical shape, floats on water W (e.g., seawater), and the lower half including the bottom is immersed in the water W. In order to schematically represent the vertical movement of the floating body 5 due to the buoyancy from the water W, it is illustrated that the floating body 5 is elastically supported with respect to the stationary system by a virtual elastic body 10 having a spring constant k0 representing the spring force due to the buoyancy of the water W.

[0011] The structure 6 is housed in the floating body 5 and is provided so as to be relatively displaceable in the axial direction O of the floating body 5 with respect to the floating body 5. This relative displacement is made smooth by contacting a roller 11 installed on the inner peripheral surface of the floating body 5. Further, the structure 6 is elastically supported by the floating body 5 by an elastic body 12 disposed between the floating body 5 via a screw gear 15 described later. Furthermore, a first stage 13A for taking off and landing the aerial drone 2A is provided on the structure 6, and a second stage 13B for taking off and landing the underwater drone 2B is provided on the floating body 5.

[0012] Here, the first stage 13A may be for taking off and landing not only the aerial drone 2A but also a flying object as another moving body such as a helicopter. Also, the second stage 13B may be for taking off and landing not only the underwater drone 2B but also a moving body such as a submarine or a ship.

[0013] The vibration damping mechanism 7 is for damping the vibration of the structure 6 with respect to the floating body 5, and has a screw groove 14 as a first power transmission member and a screw gear 15 (or a ball screw) as a second power transmission member. The screw groove 14 is formed in the structure 6 and is formed with the relative displacement direction of the structure 6 with respect to the floating body 5 (i.e., the axial direction O of the floating body 5) as the axial center direction. Also, the screw gear 15 is rotatably supported by the floating body 5 by bearings 18 (both described later) provided in the generator casing 16C, and is meshed (threaded) with the screw groove 14, thereby being connected to the screw groove 14 so as to be able to transmit power. Thereby, the relative displacement of the structure 6 with respect to the floating body 5 (i.e., the linear motion along the axial direction O of the floating body 5) is converted into the rotational displacement (rotational motion) of the rotor 16A of the generator 16 (both described later) via the screw groove 14 and the screw gear 15.

[0014] The screw gear 15, together with the rotor 16A of the generator 16 connected to the screw gear 15, functions as an inertial mass element that reduces the relative displacement of the floating body 5 of the structure 6. Therefore, even if the floating body 5 vibrates with a displacement x1 due to the wave force of the water W with a displacement X, the transmission of this vibration to the structure 6 by the action of the inertial mass element is suppressed, the displacement x2 of the structure 6 is reduced, and the structure 6 is maintained in a substantially stationary state with respect to the stationary system.

[0015] The power generation and power storage mechanism 8 includes a generator 16 as a power generation mechanism and a capacitor 17 as a power storage mechanism, and the generator 16 includes a rotor 16A and a stator 16B. The rotor 16A and the stator 16B of the generator 16 are arranged in a generator casing 16C installed on the floating body 5. The rotor 16A is rotatably supported by the generator casing 16C by a bearing 18 attached to the generator casing 16C.

[0016] Furthermore, the rotor 16A is integrally or integrally connected to the screw gear 15 of the vibration damping mechanism 7. Therefore, the relative displacement of the structure 6 with respect to the floating body 5 (i.e., the linear motion along the axial direction O of the floating body 5) generated by the displacement of the floating body 5 due to the wave force of the water W is rotated by the rotational displacement (rotational motion) converted by the screw groove 14 and the screw gear 15. Thereby, the generator 16 generates electricity based on the wave force of the water W as renewable energy. This power generation method is referred to as power generation of a movable object type by wave force. The electric power generated by the generator 16 is stored in the capacitor 17. The bearing 18 also has a function of supporting the thrust load in the O-axis direction acting on the generator rotor 16A by the vibration damping mechanism 7.

[0017] The power supply mechanism 9 includes power supply cables 19A and 19B and a winder 20. One end of the power supply cable 19A is electrically connected to the capacitor 17, and the other end is electrically connected to the aerial drone 2A. The winder 20 winds or unwinds the power supply cable 19A and is installed on the structure 6. One end of the power supply cable 19B is electrically connected to the capacitor 17, and the other end is electrically connected to the underwater drone 2B. Through these power supply cables 19A and 19B, the power generated by the generator 16 is constantly supplied to the aerial drone 2A and the underwater drone 2B.

[0018] With the above configuration, according to the first embodiment, the following effects (1) and (2) can be achieved. (1) The generator 16 of the power generation and storage mechanism 8 provided on one of the floating body 5 floating on the water W and the structure 6 elastically supported by the elastic body 12 on the floating body 5 (the floating body 5 in this first embodiment) generates electricity when the relative displacement along the axial direction O of the floating body 5 between the floating body 5 and the structure 6 caused by the wave power of the water W is converted into rotational displacement by the vibration damping mechanism 7. The power generated by this generator 16 and stored in the capacitor 17 is supplied to the aerial drone 2A by the power supply cable 19A of the power supply mechanism 9 and to the underwater drone 2B by the power supply cable 19B respectively. Therefore, even on the water W such as the open sea, the aerial drone 2A and the underwater drone 2B can be reliably powered without using an external power source.

[0019] (2) The first stage 13A and the second stage 13B for respectively taking off and landing the aerial drone 2A and the underwater drone 2B are provided on the structure 6 and the floating body 5 respectively. Among them, since the vibration of the structure 6 with respect to the floating body 5 is damped by the vibration damping mechanism 7, even under conditions of large wave heights, the aerial drone 2A, which is a flying object, can be safely taken off and landed on the first stage 13A.

[0020] [B]Second Embodiment (Figs. 2 to 4) FIG. 2 is an overall configuration diagram showing an aerial power supply facility for a drone as a mobile body water power supply facility according to the second embodiment. For parts similar to those in the first embodiment in this second embodiment, the same reference numerals as those in the first embodiment are given to simplify or omit the description.

[0021] The drone water power supply facility 22 as a mobile body water power supply facility in this second embodiment functions as a drone base for the aerial drone 2A and the underwater drone 2B, similarly to the first embodiment. The difference between this drone water power supply facility 22 and the first embodiment is that in the vibration damping mechanism 23 for damping the vibration of the floating body 5 with respect to the structure 6, the first power transmission member installed on the structure 6 is the rack 24, and the second power transmission member installed on the floating body 5 is the pinion gear 25.

[0022] That is, the rack 24 extends in the axial direction O of the floating body 5, which is the relative displacement direction of the floating body 5 with respect to the structure 6, and is fixed to the structure 6. Further, the pinion gear 25 is meshed with the rack 24 and is connected to the rack 24 so as to be able to transmit power. A plurality of pinion gears 25 with different pitch circle radii r may be attached and selected according to the wave height of the water W so that the gear ratio can be changed. By these rack 24 and pinion gear 25, the relative displacement of the structure 6 with respect to the floating body 5 (that is, the linear motion along the axial direction O of the floating body 5) is converted into the rotational displacement (rotational motion) of the rotor 16A of the generator 16 connected to the pinion gear 25.

[0023] And the pinion gear 25 functions as an inertial mass element that reduces the relative displacement of the structure 6 with respect to the floating body 5 together with the rotor 16A of the generator 16 connected to the pinion gear 25. Therefore, even if the floating body 5 vibrates with a displacement x1 due to the wave force of the water W with a displacement X, this vibration is suppressed from being transmitted to the structure 6 by the action of the inertial mass element, the displacement x2 of the structure 6 is reduced, and the structure 6 is held in a substantially stationary state with respect to the stationary system.

[0024] In addition, as shown in FIG. 3, the floating power supply facility 22 for drones may be configured such that moving means such as a thruster 26 is installed on the floating body 5 so that the floating body 5 can be moved on the water W.

[0025] Furthermore, as shown in FIG. 4, the floating power supply facility 22 for drones may be configured such that two or more floating bodies 5 are installed, the leg portions 6M of the structure 6 are respectively accommodated in the respective floating bodies 5 so as to be relatively displaceable, and the structure 6 is elastically supported by the elastic bodies 12 on the respective floating bodies 5. In this case, racks 24 are respectively installed on the leg portions 6M of the structure 6, and pinion gears 25 are respectively installed on the respective floating bodies 5, and a plurality of vibration damping mechanisms 23 are provided such that these racks 24 and pinion gears 25 mesh with each other. Thereby, even when, for example, a displacement x11 occurs in one floating body 5 and a displacement x12 occurs in the other floating body 5 (pitching), the plurality of vibration damping mechanisms 23 can suppress the relative displacement of the structure 6 with respect to the floating body 5.

[0026] Due to being configured as described above, according to the second embodiment, the same effects as the effects (1) and (2) of the first embodiment are achieved. That is, even on the water W such as the open sea, power can be surely supplied to the aerial drone 2A and the underwater drone 2B without using an external power source, and furthermore, even under conditions of large wave heights, the aerial drone 2A, which is a flying object, can be safely taken off and landed on the first stage 13A. In addition, the following effects (3) and (4) are achieved in this second embodiment.

[0027] (3) When the thruster 26 for moving the floating body 5 is provided on the floating body 5, the floating body 5, that is, the floating power supply facility 22 for drones can be moved by this thruster 26. Therefore, the mobility of the floating power supply facility 22 for drones as a drone base can be improved.

[0028] (4) When a plurality of floating bodies 5 are provided and the leg portions 6M of the structure 6 are arranged on each of the floating bodies 5 so as to be relatively displaceable, and the structure 6 is elastically supported by each of the floating bodies 5, the plurality of vibration damping mechanisms 23 can suitably suppress the relative displacement of the structure 6 with respect to the vibration of these floating bodies 5 not only in the vertical up-and-down movement (bouncing) of the floating bodies 5 but also in pitching.

[0029] [C] Third Embodiment (Figs. 5 and 6) Fig. 5 is an overall configuration diagram showing an underwater power supply facility for a drone as a mobile body underwater power supply facility according to the third embodiment. Regarding the parts similar to those in the first and second embodiments in this third embodiment, the description will be simplified or omitted by attaching the same reference numerals as those in the first and second embodiments.

[0030] The underwater power supply facility 30 for a drone as a mobile body underwater power supply facility according to this third embodiment functions as a drone base for the aerial drone 2A and the underwater drone 2B in the same manner as in the first and second embodiments. The difference between this underwater power supply facility 30 and the first and second embodiments is that it has a power generation and power storage mechanism 31 having a linear generator 36 provided with a magnet 34 (or an electromagnet) and a coil 35, a vibration damping mechanism 32 using the linear generator 36, or a vibration damping mechanism 33 using a first power transmission member (for example, a rack 24) and a second power transmission member (for example, a pinion gear 25) shown in Fig. 6.

[0031] As shown in Fig. 5, the power generation and power storage mechanism 31 includes the linear generator 36 and the capacitor 17. A plurality of magnets 34 in the linear generator 36 are installed in the axial direction O of the floating body 5 on the floating body 5 or the structure 6 (for example, the structure 6). Also, a plurality of coils 35 are installed in the axial direction O of the floating body 5 on the floating body 5 or the structure 6 (for example, the floating body 5). When the floating body 5 is displaced by the wave force of the water W and the structure 6 is relatively displaced with respect to the floating body 5, the magnet 34 moves with respect to the coil 35, so that the coil 35 generates an electric current to generate electricity. The electric power generated by this power generation is stored in the capacitor 17.

[0032] The vibration damping mechanism 32 operates as an actuator by applying the magnetic force generated by supplying the electric power stored in the capacitor 17 to the coil 35 to the magnet 34 installed on the structure 6, and reduces the vibration caused by the relative displacement of the floating body 5 of the structure 6.

[0033] As shown in FIG. 6, the vibration damping mechanism 33 functions as a motor by supplying the electric power stored in the capacitor 17 to the generator 16. The driving force of this motor rotates the pinion gear 25, and reduces the vibration caused by the relative displacement of the floating body 5 of the structure 6 via the rack 24. Also in this case, the generator 16 operates as an actuator.

[0034] Next, a modified form of the third embodiment will be described with reference to FIG. 7. FIG. 7 shows a form in which a vibration damping mechanism using inertial mass elements (permanent magnets 95N, 95S and carriage 93) is applied to a linear generator 97. That is, on the floating body 5, the carriage 93 is supported by being directionally constrained so as to be able to translate in the y-axis direction by guide rails 92 installed in the y-axis direction orthogonal to the axial direction O thereof. This carriage 93 is connected to the structure 6 by a link mechanism 91. The relative movement of the structure 6 and the floating body 5 in the O-axis direction is converted into the translational movement of the carriage 93 in the y-axis direction by the link mechanism 91.

[0035] Permanent magnets 95N and 95S are fixed to the end of a rod 94 installed in the y-axis direction on the carriage 93. The permanent magnet 95N is an N pole, and the permanent magnet 95S is an S pole, and magnetic flux is generated from the N pole toward the S pole. On the other hand, a coil 96 installed on the floating body 5 is arranged around the y-axis on the outer periphery of the permanent magnets 95N and 95S. In this coil 96, as the permanent magnets 95N and 95S move in the y-axis direction due to the translational movement of the carriage 93 and the magnetic flux generated by the permanent magnets 95N and 95S crosses the coil 96, an electromotive force proportional to the speed of the carriage 93 is generated in the coil 96 to generate electricity. The linear generator 97 is constituted by these permanent magnets 95N, 95S and coil 96.

[0036] The coil 96 of the linear generator 97 is connected to the storage battery 17 via the conductor 98, and the storage battery 17 is charged with the electric power generated by the electromotive force generated in the coil 96. The linear generator 97 and the capacitor 17 constitute a power generation and storage mechanism 99. In FIG. 7, the rectifying and charging adjustment circuit is omitted for simplification, and the underwater drone 2B is also omitted.

[0037] The permanent magnets 95N, 95S and the carriage 93 connected to each other function as inertial mass elements for reducing the relative displacement of the floating body 5 of the structure 6. Therefore, together with the above-described power generation, even if the floating body 5 vibrates at the displacement x1 due to the wave force of the water W with the displacement X, this vibration is suppressed from being transmitted to the structure 6 by the action of the inertial mass elements (permanent magnets 95N, 95S and the carriage 93), the displacement x2 of the structure 6 is reduced and vibration is suppressed, and the structure 6 is held in a substantially stationary state with respect to the stationary system.

[0038] Also, similar to the general linear generator mechanism 36 in FIG. 5, the electric power stored in the storage battery 17 is supplied to the coil 96, and thereby, the magnetic force generated in the coil 96 is made to act on the magnets 95N, 95S installed on the carriage 93, so that these permanent magnets 95N, 95S and the coil 96 are operated as actuators, and the vibration due to the relative displacement of the floating body 5 of the structure 6 can be actively reduced (vibration suppression) via the rod 94, the carriage 93 and the link mechanism 91.

[0039] As described above, since the power generation and storage mechanism 31 has the linear generator 36 and further has the vibration suppression mechanism 32 or 33, and since the power generation and storage mechanism 99 has the linear generator 97 and this linear generator 97 also functions as a vibration suppression mechanism, the same effects as the effects (1) and (2) of the first embodiment are also achieved in the third embodiment and the modified forms. That is, even on the water W such as the ocean, the aerial drone 2A and the underwater drone 2B can be surely powered without using an external power source, and further, even under the condition of a large wave height, the aerial drone 2A, which is a flying object, can be safely take off and landed at the first stage 13A.

[0040] [D]Fourth Embodiment (FIGS. 8 to 10) FIG. 8 is an overall configuration diagram showing an aerial power supply facility for a drone as a mobile body water supply power facility according to a fourth embodiment using sunlight as renewable energy. For parts similar to those in the first and second embodiments in this fourth embodiment, the same reference numerals as those in the first and second embodiments are given to simplify or omit the description.

[0041] The drone water supply power facility 40 as a mobile body water supply power facility in this fourth embodiment functions as a drone base for the aerial drone 2A and the underwater drone 2B, similar to the first to third embodiments. The difference between this drone water supply power facility 40 and the first to third embodiments is that the power generation and storage mechanism 41 uses renewable energy such as sunlight, wind power, tidal power, ocean current, temperature difference, wave power (oscillating water column type, gyro type), etc., and generates power by a power generation mechanism corresponding to each renewable energy.

[0042] That is, in the drone water supply power facility 40 shown in FIG. 8, the power generation and storage mechanism 41 has a solar panel 42 and a capacitor 17. The solar panel 42 is installed on the floating body 5 or the structure 6 (for example, the structure 6), and generates power using sunlight irradiated from the sun 43. Also, in the drone water supply power facility 40 shown in FIG. 9, the power generation and storage mechanism 41 has a wind turbine 44 and a capacitor 17. The wind turbine 44 is installed on the floating body 5 or the structure 6 (for example, the structure 6), and generates power by the wind force of the wind 45. Also, in the drone water supply power facility 40 shown in FIG. 10, the power generation and storage mechanism 41 has a turbine waterwheel 46 and a capacitor 17. The turbine waterwheel 46 is installed on the floating body 5 and rotates by the ocean current 47 to generate power.

[0043] The power generated by these solar panels 42, wind turbines 44, turbine waterwheels 46, etc. is stored in the capacitor 17. The relative displacement of the floating body 5 of the structure 6 due to the wave power of the water W may be vibration-damped using the vibration damping mechanism 23, or may be vibration-damped by the vibration damping mechanism 33 of the third embodiment.

[0044] As described above, the power generation and power storage mechanism 41 generates electricity by using renewable energy such as the solar panel 42, the wind power generator 44, the turbine waterwheel 46, etc., and the vibration of the floating body 5 of the structure 6 is suppressed by the vibration suppression mechanism 23 or 33. From these, also in this fourth embodiment, the same effects as the effects (1) and (2) of the first embodiment are obtained. That is, even on the water W such as the ocean, the aerial drone 2A and the underwater drone 2B can be surely powered without using an external power source, and further, even under the condition of a large wave height, the aerial drone 2A, which is a flying object, can be safely taken off and landed on the first stage 13A.

[0045] [E]Fifth Embodiment (Figs. 11 and 12) Fig. 11 is an overall configuration diagram showing an aerial power supply facility for drones as a mobile body water surface power supply facility according to the fifth embodiment. Regarding the parts similar to those in the first and second embodiments in this fifth embodiment, the description will be simplified or omitted by attaching the same reference numerals as those in the first and second embodiments.

[0046] The aerial power supply facility 50 for drones as a mobile body water surface power supply facility in this fifth embodiment functions as a drone base for the aerial drone 2A and the underwater drone 2B, similarly to the first and second embodiments. The difference between this aerial power supply facility 50 for drones and the first and second embodiments is that the power supply mechanism 51 has a non-contact power supply system 52 that is electrically connected to the capacitor 17 of the power generation and power storage mechanism 8 and supplies power to the aerial drone 2A and the underwater drone 2B without contact, instead of the power supply cable 19.

[0047] Furthermore, as shown in Fig. 12, a plurality of aerial power supply facilities 50 for drones as drone bases are installed. The aerial power supply facilities 50 for drones are arranged in an equilateral triangle shape in plan view. The interval L between adjacent aerial power supply facilities 50 for drones is set within the range (distance) that the aerial drone 2A and the underwater drone 2B can move after being powered once by the non-contact power supply system 52.

[0048] With the configuration as described above, also in the fifth embodiment, the same effects as the effects (1) and (2) of the first embodiment are achieved. That is, even on the water W such as the ocean, power can be reliably supplied to the airborne drone 2A and the underwater drone 2B without using an external power source. Further, even under conditions of large wave heights, the airborne drone 2A, which is a flying object, can be safely take off and landed on the first stage 13A. In addition, the following effect (5) is achieved in the fifth embodiment.

[0049] (5) The drone water supply power facility 50 equipped with the contactless power supply system 52 in the power supply mechanism 51 has a plurality of installations separated by the movable range of the airborne drone 2A and the underwater drone 2B after being supplied with power once from the contactless power supply system 52. Therefore, by supplying power to the airborne drone 2A and the underwater drone 2B in each drone water supply power facility 50, for example, the action range of the airborne drone 2A and the underwater drone 2B on the ocean or in the sea can be expanded.

[0050] [F] Sixth Embodiment (Figs. 13, 14) Fig. 13 is an overall configuration diagram showing the drone water supply power facility as the mobile body water supply power facility according to the sixth embodiment. For the parts similar to those in the first, second, and fifth embodiments in this sixth embodiment, the same reference numerals as those in the first, second, and fifth embodiments are used to simplify or omit the description.

[0051] The drone water supply power facility 60 as the mobile body water supply power facility according to the sixth embodiment functions as a drone base for the airborne drone 2A and the underwater drone 2B, similar to the first, second, and fifth embodiments. The difference between this drone water supply power facility 60 and the first, second, and fifth embodiments is that the base-side communication device 61 is installed in the structure 6 and the base-side communication device 62 is installed in the floating body 5, respectively. An airborne drone-side communication device 63 capable of communicating with the base-side communication device 61 is installed in the airborne drone 2A, and an underwater drone-side communication device 64 capable of communicating with the base-side communication device 62 is installed in the underwater drone 2B. Here, the communication between the base-side communication device 62 and the underwater drone-side communication device 64 is preferably optical wireless communication, for example.

[0052] Furthermore, as shown in Fig. 14, a plurality of drone floating power supply facilities 60 as drone bases are installed. The interval M between these drone floating power supply facilities 60 is set within the smaller range (distance) between the communication range (distance) between the base-side communicator 61 and the airborne drone-side communicator 63 and the communication range (distance) between the base-side communicator 62 and the underwater drone-side communicator 64.

[0053] With the above configuration, in the sixth embodiment as well, the same effects as the effects (1) and (2) of the first embodiment are achieved. That is, even on water W such as the ocean, the airborne drone 2A and the underwater drone 2B can be reliably powered without using an external power source. Furthermore, even under conditions of large wave heights, the airborne drone 2A, which is a flying object, can be safely take off and landed at the first stage 13A. In addition, the sixth embodiment has the following effect (6).

[0054] (6) The drone floating power generation facility 60, which includes a base-side communicator 61 capable of communicating with the airborne drone-side communicator 63 and a base-side communicator 62 capable of communicating with the underwater drone-side communicator 64, is installed in plural within their respective communicable ranges. For this reason, by the airborne drone-side communicator 63 communicating with the base-side communicator 61 of each drone floating power supply facility 60 and the underwater drone-side communicator 64 communicating with the base-side communicator 62 of each drone floating power supply facility 60, these drone floating power supply facilities 60 can be used as communication relay bases. Thus, for example, the communication ranges of the airborne drone 2A and the underwater drone 2B on the ocean or in the sea can be expanded.

[0055] [G] Seventh Embodiment (Figs. 15 and 16) Fig. 15 is an overall configuration diagram showing a drone floating power supply facility as a mobile object floating power supply facility according to the seventh embodiment. Regarding the parts that are the same as those in the first, second, and sixth embodiments in this seventh embodiment, the same reference numerals as those in the first, second, and sixth embodiments are used to simplify or omit the description.

[0056] The drone water power supply facility 70 as the mobile water power supply facility of the seventh embodiment is installed in a plurality as in the sixth embodiment, and each functions as a drone base for the aerial drone 2A and the underwater drone 2B. The difference between this drone water power supply facility 70 and the sixth embodiment is that, in addition to having the base-side communication devices 61 and 62, a GPS communication device 71 equipped with a GPS (Global Positioning System) function is installed on the floating body 5 or the structure 6 (for example, the structure 6). Through the communication using these GPS communication devices 71, base-side communication devices 61 and 62, aerial drone-side communication device 63, and underwater drone-side communication device 64, the current positions of the aerial drone 2A and the underwater drone 2B can be configured to be identifiable.

[0057] That is, as shown in FIGS. 15 and 16, the GPS communication devices 71 installed in the plurality of drone water power supply facilities 70 recognize the position coordinates of the drone water power supply facilities 70 through communication with the GPS satellites 72. Also, the base-side communication device 61 recognizes the azimuth and distance of the aerial drone 2A through communication with the aerial drone-side communication device 63, and the base-side communication device 62 recognizes the azimuth and distance of the underwater drone 2B through communication with the underwater drone-side communication device 64. Based on the recognition data of these GPS communication devices 71, base-side communication devices 61 and 62, the current positions of the aerial drone 2A and the underwater drone 2B can be identified.

[0058] Since it is configured as described above, the seventh embodiment also exhibits the same effects (1), (2), and (6) as those of the first and sixth embodiments. That is, even on the water W such as the ocean, the aerial drone 2A and the underwater drone 2B can be reliably powered without using an external power source, and even under conditions of large wave heights, the aerial drone 2A, which is a flying object, can be safely take off and landed on the first stage 13A. Furthermore, for example, the communication ranges of the aerial drone 2A and the underwater drone 2B on the ocean or in the sea can be expanded. In addition, the seventh embodiment exhibits the following effect (7).

[0059] (7) By the communication between the GPS communicator 71 installed in each of the plurality of drone water power supply facilities 70 as drone bases and the GPS satellite 72, and the communication between the base-side communicators 61 and 62 and the airborne drone-side communicator 63 and the underwater drone-side communicator 64 installed in each of the plurality of drone water power supply facilities 70, the current positions of each of the airborne drone 2A flying in the air and the underwater drone 2B moving underwater can be specified with high precision.

[0060] As described above, some embodiments of the present invention have been described. However, these embodiments are presented as examples and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, changes, and combinations can be made without departing from the gist of the invention. Also, those replacements, changes, and combinations are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalent scope thereof.

Explanation of Reference Numerals

[0061] 1…Water supply equipment for drones (mobile body water supply equipment), 2A…Aerial drone, 2B…Underwater drone, 5…Floating body, 6…Structure, 7…Vibration damping mechanism, 8…Power generation and energy storage mechanism, 9…Power supply mechanism, 12…Elastomer, 13A…First stage, 13B…Second stage, 14…Screw groove (first power transmission member), 15…Screw gear (second power transmission member), 16…Generator, 16A…Rotor, 17…Battery, 19A, 19B…Power supply cable, 22…Water supply equipment for drones (mobile body water supply equipment), 23…Vibration damping mechanism, 24…Rack (first power transmission member), 25…Pinion gear (second power transmission member), 26…Thruster (moving means), 30…Water supply equipment for drones (mobile body water supply equipment), 31…Power generation and energy storage mechanism, 32, 33…Vibration damping mechanism, 34…Magnet, 35…Coil, 36…Linear generator, 40…Water supply equipment for drones (mobile body water supply equipment), 41…Power generation and energy storage mechanism, 42…Solar panel, 44…Wind turbine generator, 46…Turbine waterwheel, 50…Water supply equipment for drones (mobile body water supply equipment), 51…Power supply mechanism, 52…Contactless power supply system, 60…Water supply equipment for drones (mobile body water supply equipment), 61, 62…Base side communication device, 63…Aerial drone side communication device, 64…Underwater drone side communication device, 70…Water supply equipment for drones (mobile body water supply equipment), 71…GPS communication device, 95N, 95S…Magnet, 96…Coil, 97…Linear generator, 99…Power generation and energy storage mechanism, W…Water, L, N…Interval,

Claims

1. A floating body floating on water, a structure disposed so as to be relatively displaceable with respect to the floating body and elastically supported, a stage provided on at least one of the floating body and the structure for taking off and landing a moving body, a vibration damping mechanism for damping the vibration of the structure with respect to the floating body, a power generation mechanism provided on at least one of the floating body and the structure for generating power based on renewable energy, a power storage mechanism for storing the power generated by the power generation mechanism, a power generation and storage mechanism comprising the power generation mechanism and the power storage mechanism, a power supply mechanism electrically connected to the power generation and storage mechanism for supplying the power from the power generation and storage mechanism to the moving body, and having, a plurality of the floating bodies are provided, and one of the structures is disposed so as to be relatively displaceable and elastically supported on each of the floating bodies, A mobile body water supply facility characterized in that it is configured to function as a mobile body base where the mobile body takes off and lands.

2. The power generation and storage mechanism is configured to generate power based on wave power as renewable energy by rotating the rotor of the power generation mechanism due to the vibration caused by the relative displacement of the structure with respect to the floating body. The mobile body water supply facility according to claim 1.

3. The power generation mechanism of the power generation and storage mechanism includes a magnet installed on one of the floating body and the structure and a coil installed on the other, and the structure is relatively displaced with respect to the floating body so that the magnet moves with respect to the coil. Thus, the coil is configured to generate electricity. The mobile body water supply facility according to claim 1.

4. The power generation and storage mechanism is configured to generate power by at least one of renewable energies such as sunlight, wind power, and ocean current using at least one of a solar panel, a wind power generator, and a turbine waterwheel provided on the floating body or the structure. The mobile body water supply facility according to claim 1.

5. The vibration damping mechanism includes a first power transmission member installed on the structure and a second power transmission member installed on the floating body and connected to the first power transmission member so as to be capable of transmitting power, The mobile body water supply facility according to claim 2, characterized in that the second power transmission member is connected to the rotor of the power generation mechanism to reduce the vibration caused by the relative displacement of the structure with respect to the floating body.

6. The vibration damping mechanism includes a link mechanism connected to the structure and a carriage installed on the floating body and connected to the link mechanism so as to be capable of transmitting power, When power is supplied to the coil installed on the floating body, the magnetic force generated acts on the magnet connected to the structure via the link mechanism and the carriage, thereby driving the carriage. The floating body of the structure is configured to reduce vibration caused by relative displacement via the link mechanism. The marine power supply equipment for a moving body according to claim 3, characterized in that.

7. The first power transmission member is a screw groove having an axial direction in the relative displacement direction of the floating body of the structure, and the second power transmission member is a screw gear rotatably supported by the floating body and meshing with the screw groove. The marine power supply equipment for a moving body according to claim 5, characterized in that.

8. The first power transmission member is a rack extending in the relative displacement direction of the floating body of the structure, and the second power transmission member is a pinion gear meshing with the rack. The marine power supply equipment for a moving body according to claim 5, characterized in that.

9. The vibration damping mechanism includes a magnet installed on one of the floating body and the structure, and a coil installed on the other. The vibration caused by the relative displacement of the floating body of the structure is reduced by the magnetic force generated by supplying power to the coil. The marine power supply equipment for a moving body according to claim 3, characterized in that.

10. The power supply mechanism is a power supply cable that electrically connects the power generation and energy storage mechanism and the moving body, or a contactless power supply system that is electrically connected to the power generation and energy storage mechanism and supplies contactless power to the moving body. The marine power supply equipment for a moving body according to any one of claims 1 to 9, characterized in that.

11. The floating body is provided with moving means for moving the floating body. The marine power supply equipment for a moving body according to any one of claims 1 to 10, characterized in that.

12. The power supply mechanism is a contactless power supply system that is electrically connected to the power generation and energy storage mechanism and supplies contactless power to the moving body. The mobile base is provided in plurality with a separation from the range within which the moving body can move after being supplied with power once from the contactless power supply system. The marine power supply equipment for a moving body according to any one of claims 1 to 11, characterized in that.

13. A base-side communication device is installed on the floating body or the structure, and a moving body-side communication device capable of communicating with the base-side communication device is installed on the moving body. The mobile base is characterized in that a plurality of the mobile base are provided with a communication range between the base-side communication device and the mobile-side communication device separated therefrom. The mobile body water supply and power supply facility according to any one of claims 1 to 11.

14. A GPS communication device having a GPS function and a base-side communication device are installed on the floating body or the structure, a mobile-side communication device capable of communicating with the base-side communication device is installed on the mobile body, and the position of the mobile body is configured to be identifiable by communication using the GPS communication device, the base-side communication device, and the mobile-side communication device. The mobile body water supply and power supply facility according to any one of claims 1 to 13.

15. The mobile body is a flying body including an aerial drone or a helicopter, an underwater drone, or a ship. The mobile body water supply and power supply facility according to any one of claims 1 to 14.

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