KR101177805B1 - Electrical power generating apparatus using waveforce - Google Patents

Abstract

A wave power generation apparatus for a ship is disclosed.
The wave power generation apparatus of the ship according to an embodiment of the present invention is hinged to the bow portion of the ship body is installed to rotate up and down on the sea surface, and the body of the main body to rotate up and down by self-weight and wave resistance during vertical rotation of the body It includes a wing installed in the lower portion, a motion conversion unit for converting the up and down rotation of the blade into a rotary motion, and a power generation turbine for generating electricity by receiving the rotational motion from the motion conversion unit.

Description

Wave power generating device of ship {ELECTRICAL POWER GENERATING APPARATUS USING WAVEFORCE}

The present invention relates to a ship's wave power generation device, and more particularly to the ship's wave power generation device to produce electric power by using the wave effect of the bow portion acting as a resistance to the ship, and to use this as energy required for the operation of the ship. It is about.

In general, ships are driven using thrust by the rotation of propellers, which are driven by a variety of power sources, usually driven by diesel engines or steam turbines located in the engine compartment.

Such vessels constantly require electric power for operation of various electronic equipment, operation of an air conditioning system, supply of electric power in a cabin, and such electric power is supplied by a generator installed in an engine room of a vessel.

In addition, ships are equipped with emergency generators separate from main generators such as diesel or turbine generators, and most of them use fossil fuels as their power source.

Not only are these fossil fuels depleted, they are also causing pollution to the global environment. Therefore, studies are being actively conducted to generate power used in ships using clean energy, and as a result of these studies, generators using wind or solar light have been installed and used on ships.

However, such a generator not only relies heavily on the marine environment such as the weather, but also has a problem in that the operation time is limited. Therefore, there is a need to apply power generation to ships using wave power that can be obtained relatively easily at sea.

Embodiments of the present invention are to use as the energy required for operating the vessel by using the wave power for power generation.

It also aims to prevent environmental pollution by reducing the use of fossil fuels.

According to an aspect of the present invention, the body is hinged to the bow portion of the hull is installed to rotate up and down on the sea surface, and the wing is installed in the lower portion of the main body to rotate up and down by the resistance of the own weight and waves during vertical rotation of the body and It may include a motion conversion unit for converting the up and down rotation of the blade into a rotary motion, and a power generation turbine for generating electric power by receiving the rotational motion from the motion conversion unit.

In the embodiments of the present invention, the motion conversion unit may refer to one of the first motion conversion unit or the second motion conversion unit.

In addition, the main body protrudes forward from the bow portion is installed to rotate up and down by collision with the wave, it may be made in a streamlined form.

In addition, the wings are coupled to each other so that the load is biased rearward to the rotating shaft installed in the transverse direction to the main body, arranged in a plurality at intervals before and after the main body can be rotated at the same time by the motion converter.

In addition, the motion conversion unit is rotatably installed having a link portion hinged to each of the wings and the eccentric shaft hinged to the link portion to transmit the movement of the wing, it may include a rotating body connected to the power turbine.

In addition, the link portion is a guide hole is formed to extend in the longitudinal direction in the front anterior portion of each of the wings, the first link member hinged to each of the guide hole and the eccentric shaft and placed back and forth, and the end is hinged to the first link member And include a plurality of second link members rotatably installed in the main body.

In addition, the motion conversion unit is coupled to the link unit of the box is installed so that the main body rotates up and down, the guide unit for guiding the up and down movement of the box, and the first movement conversion unit to transfer the up and down rotational motion of the main body to the power turbine. It may include a second motion conversion unit including a rotational motion transmission unit.

In addition, the box may be provided with a stopper for limiting the downward angle of the main body by being supported when the main body rotates downward.

In addition, the guide portion is located on both sides of the box so that the plurality of pinions are arranged rotatably arranged up and down on both sides of the box, and the pinions arranged up and down in the box, respectively, gear bottom, so that the inclination with respect to the vertical direction is adjusted A pair of rack members installed on the surface, and may include a tilt control unit for adjusting the inclination of the rack member according to the position of the height direction of the box.

In addition, the inclination adjustment unit is hinged to each of the rack members, a pair of support members, the lower end of which is installed to be movable from the bottom surface, a connecting member for connecting the support members to each other, and a ball nut rotatably coupled to the connecting member And, a lead screw screwed to the ball nut, a motor for rotating the lead screw, a height sensing unit for sensing a position in the height direction of the box, and outputting a sensing signal, and receiving a sensing signal from the height sensing unit to control the motor. It may include a control unit.

In addition, the rotary motion transmission unit is coupled to one side of the box and the first pulley coupled to the first pulley so as to be rotated by the link unit of the first motion conversion unit provided inside the main body and the other side of the box. It may include a second pulley rotatably installed on, and a third pulley connected to the second pulley by a second belt and rotatably installed on the bottom surface to rotate the rotor of the power turbine.

In addition, the box can be coupled to the box coupling hole of the blocking portion of the structure that can be modified to seal the opening of the bow portion.

Embodiments of the present invention can contribute to energy saving by producing power by using the wave effect of the bow portion acting as a resistance to the ship, and using it as the energy required for the operation of the ship.

In addition, the efficiency of power generation can be improved by improving the reliability of power generation using wave force.

In addition, by reducing the use of fossil fuels on ships, it is possible to reduce carbon dioxide emissions and reduce environmental pollution.

1 is a side view illustrating a state in which a wave power generation apparatus of a ship according to a first embodiment of the present invention is installed,
2 is a side view showing the interior of the wave power generation apparatus of the ship according to the first embodiment of the present invention,
3 and 4 are side views showing different states of the wave power generating apparatus of the ship according to the first embodiment of the present invention, respectively,
5 is a schematic view for explaining the operation of the wave power generation apparatus of the ship according to the first embodiment of the present invention,
6 is a perspective view showing a second motion conversion unit in the wave power generation apparatus of the ship according to the second embodiment of the present invention,
FIG. 7 is a cross-sectional view illustrating main parts of the second motion conversion unit illustrated in FIG. 6.
8 is a view for explaining the operation of the second motion conversion unit shown in FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they may obscure the subject matter of the present invention.

1st Example

1 is a side view showing a wave power generation apparatus of the ship according to the first embodiment of the present invention, Figure 2 is a side view showing the interior of the wave power generation apparatus of the ship according to the first embodiment of the present invention. .

As shown in Figure 1 and 2, the wave power generation apparatus 100 of the ship according to the first embodiment of the present invention is installed in the bow portion 11 of the hull 10 to be rotated by collision with waves 110, a wing 120 installed to rotate up and down under the main body 110, a first motion conversion unit 130 for converting the up and down rotation of the wing 120 into a rotational motion, and the first motion conversion It may include a power generation turbine 140 for generating electric power by receiving the rotation movement converted by the unit 130.

The wave power generator 100 may be installed on the bow portion 11 or the stern portion on the draft corresponding to the sea level.

In addition, the wave power generator 100 is installed in a plurality of arrangements in the up and down direction from the bow portion 11 or the stern portion, in response to the draft when the vessel to be applied to operate in the state of loading or unloading cargo, or It is possible to further generate power according to the draft height by further using a tilt adjusting unit (for example, referring to the second embodiment), which is a type of installation height position adjusting device.

In one example, the main body 110 is hinged to the bow portion 11 by the hinge shaft 111 is installed to rotate up and down on the sea surface, that is, reciprocating rotational movement, protrudes forward from the bow portion 11 waves It is installed to rotate up and down by a force for moving the front portion of the main body 110 upward when colliding with the. That is, the main body 110 is rotated upward by the front portion of the main body 110 due to collision with the wave, and when the wave passes, the front portion of the main body 110 returns to the lower side again by its own weight, and this operation is repeated. It rotates continuously up and down by.

In addition, the body 110 may be made of a streamline to smooth up and down rotation.

The wing 120 is installed at the lower portion of the main body 110 so as to reciprocate up and down by the self-weight and the resistance of the wave during the vertical rotation of the main body 110. In the case of the blade 120, for example, when the front portion of the main body 110 is rotated upward, the leading edge of the blade 120 by its own weight can be rotated upward to induce rotation in the counterclockwise direction, When the front portion of the main body 110 rotates downward, the front edge of the wing 120 is rotated downward by the resistance of the wave can be induced to rotate in a clockwise direction.

In addition, the wings 120 are coupled to each other so that the load is biased rearward to the rotating shaft 121 installed in the transverse direction to the main body 110, the first motion conversion unit is arranged in a plurality at intervals before and after the main body 110 It rotates by 130 simultaneously.

The first motion conversion unit 130 may be composed of a variety of members in order to convert the vertical rotation of the wing 120 into a rotary motion, for example, each wing 120 is hinged to transfer the motion of the wing 120 The coupling unit 131 and the eccentric shaft 132a hinged to the link unit 131 may be rotatably installed, and may include a rotating body 132 connected to the power turbine 140.

The link unit 131 is hinged to each of the guide hole 131a and the guide hole 131a and the eccentric shaft 132a, which are formed to extend along the longitudinal direction at each front portion of each of the wings 120, and are placed back and forth. A first link member 131b and a plurality of second link members 131c hingedly coupled to the first link member 131b and rotatably installed on the main body 110 may be included.

The guide hole 131a may change the position of the hinge shaft 131d which hinges the wing 120 and the first link member 131b to rotate smoothly when the wing 120 rotates.

The first link member 131b has a plurality of wings 120 connected to the hinge shaft 131d through the guide hole 131a in the longitudinal direction, and the end of the first link member 131b is hinged to the eccentric shaft 132a of the rotating body 132. Combined.

The second link member 131c is composed of a plurality of rotatably installed in the main body 110 by the rotation shaft 131e, the end is hinged to the first link member 131b to operate the first link member 131b. Guide it. On the other hand, the second link member 131c may be hinged to the hinge shaft 131d positioned in the guide hole 131a when the hinge is coupled to the first link member 131b, and in a number corresponding to the blades 120. Can be done.

The rotating body 132 is rotatably installed on one side of the main body 110, and is provided on one side so that the eccentric shaft 132a is eccentric from the center of rotation. Here, the rotation axis of the rotating body 132 may be replaced by the hinge axis 111 of the main body 110, or may be made of a separate axis from the hinge axis 111, in this case a line in the hinge axis 111 Or may be installed to deviate from the hinge shaft 111.

The power generation turbine 140 is directly connected to the rotating shaft of the rotating body 132, or is connected to the rotating shaft of the rotating body 132 by a belt or a gear, and the rotor rotates to generate power by an electromagnetic induction phenomenon.

The power generation turbine 140 is arranged in series with a plurality of generators capable of generating power corresponding to different rotational directions and connected to the rotating shaft of the rotating body 132, even if the rotating body 132 does not rotate only in one direction. It can be configured to make progress. By employing such a power turbine 140, power generation may be possible even in partial rotation instead of full rotation.

On the other hand, the power generation turbine 140 may supply electricity to the electricity demand destination of the ship through the power transmission line. As another example, electricity can be supplied to the storage battery to store electricity, so that electricity can be used when necessary.

Referring to the operation of the wave power generation apparatus of the ship according to the present invention having such a configuration as an example.

First, as shown in FIG. 5, when the vessel operates at a constant speed or high speed, when the front portion of the main body 110 collides with the waves, a force (a) capable of moving the front portion of the main body 100 upwards; 2) may occur.

By this force a, the front part of the main body 100 is inclined within a predetermined rotation angle range which may be constrained by the upper inner edge of the opening 12 (see FIG. 6) or the stopper 211 (see FIG. 6). As you stand, you can rotate to reach top dead center. In this case, the wing 120 may not be subjected to wave resistance.

In addition, the trailing edge of the blade 120, the load is biased to the rear is struck downward by its own weight, so that the leading edge of the blade 120 can be rotated upward to generate a counterclockwise rotational force. have.

Afterwards, as shown in FIG. 2, the counterclockwise rotational force generated before and after the wing 120 is connected through the guide hole 131a and the hinge shaft 131d therein. An upper end of the second link member 131c may be rotated in a clockwise direction.

On the other hand, the front portion of the main body 110 that has reached the top dead center may be rotated downward by the weight (b).

In this case, due to the reaction force generated as the trailing edge of the blade 120 is affected by the resistance of the wave, the front edge of the blade 120 can be rotated downward to induce rotation in a clockwise direction.

Accordingly, the upper end of the second link member 131c connected through the guide hole 131a in front of the wing 120 and the hinge shaft 131d therein can be rotated counterclockwise. .

Each of the second link members 131c may be rotated in the same phase and direction (eg, counterclockwise) by the first link member 131b, and the rotating body 132 connected to the first link member 131b. ) Can be rotated.

In this case, it may be as shown in FIG.

That is, when the front portion of the main body 110 is rotated downward by the weight (b) to be placed adjacent to the sea surface, the front edge of the wing 120 may be further rotated clockwise according to the wave resistance of the continued sea surface. Each of the second link members 131c may be further rotated counterclockwise.

Accordingly, the rotating body 132 may also be rotated by receiving the rotational force of the second link member 131c through the first link member 131b.

Then, as shown in Figure 4, the blade 120 may be arranged so that the wave resistance of the sea surface is the minimum.

Subsequently, referring to FIG. 5, the first half of the main body 110 repeatedly performs the above-described operation every time it collides with another wave, thereby rotating the rotating body 132 to eventually generate power.

That is, when the blade 120 rotates counterclockwise or clockwise, the first link member 131b connected to each blade 120 is guided to the second link member 131c to rotate. The rotating body 132 is rotated counterclockwise or clockwise, and the power turbine 140 (shown in FIG. 2) is generated by the rotation of the rotating body 132.

In addition, the foregoing description is described that the rotating body 132 is generated while rotating in a counterclockwise or clockwise direction as in the swing method, but the length of the chord line of the wing 120 or the wing 120 is Adjust the lower weight to be applied to the rear, or adjust the installation angle, length, etc. of the first, second link members (131b, 131c), and the flywheel to give an inertial force so that it can rotate in only one direction (rotator) When connected to the 132, it can be configured to continuously rotate the rotating body 132 in only one direction (for example, counterclockwise).

Second Example

6 is a perspective view illustrating a second motion conversion unit in a wave power generation apparatus of a ship according to a second embodiment of the present invention.

As shown in FIG. 6, the wave power generation apparatus of the ship according to the second embodiment of the present invention includes a second motion conversion unit 200 which is different from the wave power generation apparatus of the ship according to the first embodiment. In the case of the main body 110, the wing 120, the first motion conversion unit 130, the link unit 131, the power turbine 140 shown in FIG. 2 will be described in detail in the wave power generation apparatus of the ship according to the first embodiment The description will be omitted.

The second motion conversion unit 200 includes a box 210 in which the main body 110 is rotated up and down, a guide part 220 for guiding the vertical motion of the box 210, and a vertical rotation of the main body 110. It may include a rotary motion transmission unit 240 coupled to the link unit 131 of the first motion conversion unit 130 to transfer the exercise to the power turbine 140.

The box 210 may be formed in a block shape or a hexahedron having a round shape at the front part and the rear part of the box 210 as in the present embodiment, or may have various other shapes, and the main body 110 is disposed at one side up and down. It is rotatably installed, the stopper 211 for limiting the downward angle of the main body 110 may be provided. Here, the stopper 211 has its fixed end fixed to the front position of the box 210, the free end of the stopper 211 protrudes forward of the box 210, when the main body 110 is rotated downward Can play a role of stopping at an angle.

At this time, the main body 110 may be further formed with a support groove to the extent that the end of the stopper 211 can be freely entered in consideration of the end shape of the stopper 211.

The guide part 220 is arranged so that the plurality of pinions 221 rotatably arranged up and down on both sides of the box 210 and the pinions 221 arranged up and down in the box 210 are gear-coupled, respectively. A pair of rack members 222 disposed on both sides of the 210 and installed on the bottom surface to adjust the inclination of the vertical direction and the height of the box 210 according to the position of the rack members 222. It may include a tilt control unit 223 for adjusting the tilt.

The pinion 221 is a pair is formed on each side of the box 210, as in this embodiment, not limited to this, may be made of three or more each on each side of the box 210, the box by a rotating shaft (not shown) It is installed to enable rotation from 210.

The rack member 222 is installed up and down adjacent to both sides of the box 210, hinged to the bottom surface to enable tilt adjustment, and teeth are continuously formed along the longitudinal direction for gear engagement with the pinion 221. do.

The inclination adjustment unit 223 is hinged to each of the rack members 222 as an example, and a pair of support members 224 and the support member 224 connected to each other, the lower end of which is installed to be movable from the bottom surface. A member 225, a ball nut 226 rotatably coupled to the connecting member 225, a lead screw 227 screwed to the ball nut 226, and a bottom to rotate the lead screw 227. The motor 228 installed on the surface, the height detecting unit 229 for detecting the height of the box 210 and outputting a detection signal, and receiving the detection signal of the height detecting unit 229 to control the motor 228 It may include a control unit 231.

The support member 224 may be provided with a wheel 232 at the bottom to move along the bottom surface.

For example, the height detecting unit 229 outputs light having a predetermined wavelength to the box 210 to receive the reflected light, thereby calculating the height of the box 210, or the amount of rotation of the pinion 221. To detect the moving distance of the box 210 from it, and to calculate the position in the height direction of the box 210 therefrom. In addition, there are various units or methods for calculating the height of the box 210. Can be used.

The control unit 231 adjusts the inclination of the rack member 222 according to the position of the height direction of the box 210 so that the rotational motion transmitting unit 240 maintains a distance from the box 210 to the main body 110. Rotational movement of the power to the turbine 140 to be transmitted stably.

As shown in FIG. 7, the rotational motion transmitting unit 240 is rotated by the link unit 131 of the first motion conversion unit 130 (see FIG. 2) provided inside the main body 110, for example. The first pulley 241 coupled to one side of the box and the second pulley 243 rotatably installed on the other side of the box 210 by being connected to the first pulley 241 by the first belt 242. ) And a third pulley 245 connected to the second pulley 243 by the second belt 244. Here, the third pulley 245 may be rotatably installed by being supported by a bearing block on the bottom surface, and may be connected to rotate the rotor of the power turbine 140 (shown in FIG. 6). That is, the third pulley 245 may transmit rotational force to the rotor of the power turbine 140 through, for example, a gear, for example, a bevel gear 246 (shown in FIG. 6).

Here, the first pulley 241 has a configuration similar to or the same as the power transmission method of the rotating body 132 coupled to rotate by the link unit 131 of the first motion conversion unit 130 (see FIG. 2). It may be configured to have.

On the other hand, the main body 110 may be disposed to protrude outside the bow portion 11 by using the opening 12 (shown in Fig. 6 or 8) formed in the bow portion 11 (shown in Figure 8).

At this time, the rear side portion of the box 210 coupled with the main body 110 is disposed inside the hull of the bow portion 11 around the opening 12, and the front side portion of the box 210 is disposed outside the hull. Can be.

In addition, all the outer sides of the blocking portion 112 may be hermetically coupled along the circumference of the opening 12 so as to seal the opening 12. Here, the blocking portion 112 forms a box coupling hole 13a to be hermetically coupled to the box 210.

The blocking unit 112 may be formed of a material that can be deformed or a structure that can be deformed (for example, a bellows structure) to increase the degree of adhesion.

Therefore, the blocking part 112 enables the vertical movement of the box 210 and seals the opening 12 to block the inflow of seawater into the hull of the bow portion 11.

Referring to the operation of the second motion conversion unit 200 provided in the wave power generating apparatus of the ship according to the second embodiment of the present invention having such a configuration as follows.

As shown in FIG. 8, the main body 110 is installed in the bow portion 11 so as to move a predetermined height from the hull, and the box 210 in which the main body 110 is installed is a rack member using the pinion 221. 222 may be moved in the vertical direction, and the inclination of the rack member 222 may be changed by the tilt control unit 223.

As such, by changing the inclination of the rack member 222, the first to second pulleys 241 and 243 connected to the power turbine 140 and the first and second belts 242 and 244 move up and down. The distance between the three pulleys 241, 243 and 245 may be kept constant and the tension of the first and second belts 242 and 244 may be kept constant.

 On the other hand, the inclination of the rack member 222 is made by driving the motor 228 of the inclination control unit 223, the control unit 231 receiving the detection signal of the height sensing unit 229 is the height of the box 210 The motor 228 is controlled according to the position of the direction.

The kinetic energy transmitted from the main body 110 rotates the first pulley 241, and the rotation is again performed by the second belt 244 by rotating the second pulley 243 by the first belt 242. The third pulley 245 is rotated, and the rotor of the power turbine 140 is rotated by the bevel gear 246 whose rotational force of the third pulley 245 changes direction.

Accordingly, the position of the height direction of the box 110 may be determined by using the opening 12 of the bow portion 11 corresponding to the draft to be targeted. At this time, the blocking portion 112 is hermetically coupled to the box 110 through the box coupling hole 13a, and all outer sides of the blocking portion 112 are hermetically coupled along the periphery of the opening 12. As a result, seawater outside the hull may not flow into the hull.

Although embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. I can understand that. For example, those skilled in the art can change the material, size, etc. of each component according to the application field, or may be carried out in a form that is not clearly disclosed in the embodiments of the present invention by combining or replacing the embodiments of the present invention. Again without departing from the scope of the present invention. Therefore, it should be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive, and that such modified embodiments are included in the technical idea described in the claims of the present invention.

10: hull 11: bow
12: opening 110: main body
111: hinge axis 112: breaker
120 wing 121 rotation axis
130: first motion conversion unit 131: link unit
131a: guide hole 131b: first link member
131c: second link member 131d: hinge shaft
131e: rotating shaft 132: rotating body
132a: eccentric shaft 140: power turbine
200: second motion conversion unit 210: box
211: stopper 220: guide part
221: pinion 222: rack member
223: tilt control unit 224: support member
225: connecting member 226: ball nut
227: lead screw 228: motor
229: height detection unit 231: control unit
232: wheel 240: rotary motion transmission unit
241: first pulley 242: first belt
243: second pulley 244: second belt
245: third pulley 246: bevel gear

Claims (11)

A main body hinged to the bow of the hull and installed to rotate up and down on the sea surface;
Wings installed on the lower part of the main body to rotate up and down by the self-weight and the resistance of the wave during the vertical rotation of the main body,
Motion conversion unit for converting the up and down rotation of the blade into a rotational movement,
Receiving a rotational motion from the motion conversion unit comprising a power generation turbine for generating electricity
Ship's wave power generation device.
The method of claim 1,
The main body includes:
Protrudes forward from the bow portion is installed to rotate up and down by collision with waves, made of a streamline
Ship's wave power generation device.
The method of claim 1,
The wing,
The loads are respectively coupled to the rotating shaft installed laterally on the main body so as to be biased rearward, and are arranged in a plurality at intervals before and after the main body to rotate simultaneously by the motion converting unit.
Ship's wave power generation device.
The method of claim 3, wherein
The motion conversion unit,
A link portion hinged to each of the wings so as to transmit movement of the wings;
It is installed rotatably with an eccentric shaft hinged to the link portion, characterized in that it comprises a first motion conversion unit including a rotating body connected to the power turbine
Ship's wave power generation device.
The method of claim 4, wherein
The link unit,
Guide holes formed to extend in the longitudinal direction at each end of the wing,
A first link member hinged to each of the guide holes and the eccentric shaft and placed back and forth;
An end is hinged to the first link member and includes a plurality of second link members rotatably installed on the main body.
Ship's wave power generation device.
The method of claim 4, wherein
The motion conversion unit,
A box installed to rotate the main body up and down,
A guide part for guiding the vertical movement of the box,
And a second motion converting part including a rotational motion transmitting part coupled to the link part of the first motion converting part so as to transmit the vertical rotational motion of the main body to the power generation turbine.
Ship's wave power generation device.
The method according to claim 6,
In the box,
The stopper is provided to limit the downward angle of the main body when the main body rotates downward
Ship's wave power generation device.
The method according to claim 6,
The guide unit,
A plurality of pinions arranged upside down on both sides of the box and rotatably installed;
A pair of rack members positioned on both sides of the box so that the pinions arranged up and down in the box are geared to each other, and installed on a bottom surface thereof to adjust an inclination in a vertical direction;
It includes a tilt control unit for adjusting the inclination of the rack member according to the position of the height direction of the box
Ship's wave power generation device.
The method of claim 8,
The tilt control unit,
A pair of support members hinged to each of the rack members, the lower end of which is installed to be movable from the bottom surface;
A connection member connecting the support members to each other;
A ball nut rotatably coupled to the connection member;
A lead screw screwed to the ball nut,
A motor for rotating the lead screw,
A height detecting unit detecting a height of the box and outputting a detection signal;
Receiving the detection signal of the height detecting unit includes a control unit for controlling the motor
Ship's wave power generation device.
The method according to claim 6,
The rotary motion transmission unit,
A first pulley coupled to one side of the box so as to be rotated by the link unit of the first motion conversion unit provided inside the main body;
A second pulley connected to the first pulley by a first belt and rotatably installed on the other side of the box;
A third pulley connected to the second pulley by a second belt and rotatably installed on a bottom surface thereof, the third pulley being connected to rotate the rotor of the power turbine;
Ship's wave power generation device.
The method according to claim 6,
The box,
Is coupled to the box coupling hole of the blocking portion of the structure that can be modified to seal the opening of the bow portion
Ship's wave power generation device.

Images