JP6104101B2 - Near wave power generator - Google Patents

Description

  The present invention relates to an apparatus that generates electric power using wave energy, and more particularly, to an apparatus that obtains compressed air in a tank by a wave that hits a shore and rises, and operates a generator using the compressed air.

  Looking at a spilling wave that has enough energy to overcome the high breakwater on the coast, the present inventor should be able to operate the generator with the compressed air if the compressed air is obtained from the spilling wave. I got the idea.

Conventionally, various devices for operating a generator by obtaining compressed air from shore waves have been proposed.
For example, in Patent Document 1 below, the water level inside the casing is fluctuated up and down by a wave generated outside the casing, the air pressure inside the casing is changed by this water level fluctuation, and the generator is operated by the changed air pressure. "Fixed wave power generation system" has been proposed.
However, in this device, the lower end of the casing is immersed below the sea level so that air in the casing does not leak, and an opening for receiving seawater is provided at a position lower than the height that becomes the valley of the spilling wave. It has been. For this reason, the kinetic energy directed toward the shore of the waves hitting the shore hits the side surface of the casing and is canceled out, and the kinetic energy of the rushing waves cannot be used efficiently.
Furthermore, since this apparatus has a horizontal plane inside the casing, it takes time for the waves to pull out of the casing and the next wave strikes before the wave that has been pulled is not finished. As a result, the spilling wave and the pulling wave interfere with each other and the kinetic energy of the spilling wave is consumed, so that a large height cannot be obtained inside the casing. Even in this respect, the wave energy cannot be used efficiently.

Further, in Patent Document 2 below, “Wave wind tunnel power generation is attempted to generate power by receiving a wave that strikes the coastal revetment wall with a collecting trumpet tube, obtaining compressed air in the tube, and rotating the air turbine with the compressed air. A system built-in coastal wide sea tide breakwater system has been proposed.
However, in this system, the portion that receives the wave is a trumpet tube provided on the revetment wall, and the trumpet tube is a tube whose diameter decreases in a taper shape and becomes narrower, and the spatial capacity to receive the wave is large It is extremely small compared to this. For this reason, it is not possible to effectively use the kinetic energy of the waves that hit the shore and rise, and it is not possible to obtain electric power efficiently.

JP 2013-29087 A JP 2011-85003 A

  In conventional devices such as the above-mentioned patent documents, since there is no structure that accepts a rising wave that hits the coast and raises it to a high level, the electrical energy obtained compared to the magnitude of the kinetic energy of the moving wave is extremely small, and it is efficiently increased from the rising wave. High volume compressed air could not be obtained.

  Therefore, the present invention accepts the kinetic energy of waves rushing toward the coast and repeatedly raises the seawater in the tank to repeatedly generate compressed air that has a large capacity and high pressure in the tank, and generates large electric energy from the compressed air. An object of the present invention is to provide a wake-up generator that can be obtained.

In order to solve the above-mentioned problem, the swell wave power generator according to the present invention is installed in the sea along the coast, and includes a bottom surface portion, a top surface portion, both side surfaces, a land side back surface portion, and a sea side. surrounded by the front portion, the wave receiving port is provided at a lower portion of the sea-side front portion, and the wave receiving tank enclosed space when the wave receptacle is closed by receiving the surf is formed, the wave receiving tank A wave receiving plate that collects waves at the wave receiving port, and a generator that generates electric power by receiving the pressure of the air in the wave receiving tank compressed by the seawater that enters from the wave receiving port and rises in the sealed space. The wave receiving plate protrudes from both side edges of the land-side rear surface from the lower part to the upper part or middle part of the wave receiving tank, and projects from both ends to the sea side from the tip part of the protruding part. Projecting parallel or divergent and standing up from the seabed And said that there was Gerare.

According to a second aspect of the present invention, in the above invention, a pipe connection hole is provided in an upper surface portion of the wave receiving tank or a surface near the upper surface portion, and the pipe connection hole and a lower side are provided on an upper side of the wave receiving tank. A tank upper space that is hermetically sealed except for and is formed.

In the invention of claim 3 , in the above invention, a pipe connected to the pipe connection hole from above, a rotating device connected to the pipe and rotating under the pressure of air flowing through the pipe, And a generator that is connected to the rotating device and generates power by receiving the rotation of the rotating device.

According to a fourth aspect of the present invention, in the above invention, a compressed gas supply tank for temporarily storing compressed air is provided in the pipe between the pipe connection hole and the rotating device, and the pipe is opened only in the direction of the compressed gas supply tank. A check valve is provided.

The invention of claim 5 is characterized in that, in the above invention, side opening portions are provided on both side surfaces of the wave receiving tank lower portion.

The invention according to claim 6 is characterized in that, in the above invention, an electromagnetic controllable lid that is electrically controllable is provided at both side opening portions of the lower part of the wave receiving tank.

According to a seventh aspect of the present invention, in the above invention, the wave receiving port is divided into a lower part that is always open and an upper part that can be opened and closed, and an opening area of the upper part is expanded or increased in the upper part. An opening / closing plate that can be reduced is provided.

According to an eighth aspect of the present invention, in the above invention, the upper and lower opening / closing plates that are provided with guide rails on both sides of the upper portion and slide on the guide rail so as to be cut off from the upper portion to the lower portion of the lower portion. mounting, and is characterized in that a closing drive unit for lifting and lowering the upper and lower closing plate on the upper end portion of the wave receiving port of the sea-side front portion up and down.

According to a ninth aspect of the present invention, in the above invention, a pivotal support portion is provided on both sides of the upper portion so as to face each other with a vertical interval, and a plurality of horizontally long slats are arranged parallel to the pivotal support portion in parallel. A louver-like peristaltic open / close plate is provided that is suspended and stops when the lower edge of each horizontally long slat hits the upper edge frame of the horizontally long slat underneath so as to overlap each other in an airtight state from the inside.

In the invention of claim 10 , in the above invention, an opening is provided in the upper part of the wave receiving tank, and a check lid that is closed by pressurizing air in the tank upper space and opened by depressurization is attached to the opening. It is characterized by that.

In the invention of claim 11 , in the above invention, a wave-guiding surface is formed on the bottom surface of the wave receiving tank as an inner arc-shaped curved surface where the land side competes or a flat inclined surface. It is characterized by that.

The present invention is configured as described above, and the waves rushing from the coast to the coast further hit the wave receiving plate, and the waves jump into the wave receiving tank vigorously from the wave receiving port without being blocked by the upper end of the wave receiving port. .
At that time, since the wave receiving plate protrudes toward the sea side, it catches more waves rushing to the shore, the waves are collected at the wave receiving port, and together with the waves directly entering the wave receiving port, The sea water in the tank upper space is repeatedly raised to hit the side back side.

The wave receiving port is closed by the seawater that is raised to a high level. At that time, a sealed space is formed in the wave receiving tank, and when the seawater is further raised, the air in the sealed space above the wave receiving tank is compressed.
In response to the pressure of the compressed air, the generator operates to generate electricity.
That is, the kinetic energy of the rush wave is converted into compressed air energy, and the compressed energy is converted into electric energy.

The swaying wave intermittently rushes to the coast and rises in the tank upper space each time, repeatedly raises the seawater repeatedly, and repeatedly compresses the air in the tank upper space.
And when the wave is drawn, the seawater in the tank upper space is discharged from the wave receiving port, the internal water level becomes low, but at this time the seawater descends vertically due to gravity, so the pulling is quick and the next wave comes The water level drops to a minimum.
For this reason, a large level difference in seawater level is created in the tank upper space.
By repeating this, the air in the tank upper space is greatly compressed each time, and power is generated efficiently.
When the sea is in a dredging state, no spilling waves are generated, so power generation is not possible.However, if a large swelling wave occurs when the sea is rough, a large level difference in sea level is obtained in the space above the tank. Large power can be obtained.

The wave receiving tank is surrounded by the bottom surface, the upper surface, both side surfaces, the land-side back surface, and the sea-side front surface, so that the wave receiving port is widely and reliably provided at the bottom of the sea-side front surface. Moreover, the near wave hits the land-side back surface and rises in the sealed space above the tank, repeatedly raising the seawater, increasing the amount of compressed air, and obtaining a larger electric power.
Furthermore, the waves rushing from the offshore to the coast directly enter the wave receiving port, and at that time, hits the overhanging portion and joins the seawater in the tank upper space together with the seawater entering from the side opening. For this reason, the air in the tank upper space is greatly compressed, and larger power generation can be performed.

In the invention of claim 2 , the air in the tank upper space compressed by the seawater that is raised to a high level can be concentrated in the pipe connection hole provided on the upper side of the wave receiving tank without leaking to the other. .

In the invention of claim 3 , the air in the tank upper space concentrated in the pipe connection hole compressed with seawater passes through the pipe connected to the pipe connection hole, and is pumped to the rotating device connected to the pipe. The The rotating device rotates under the pressure of the air, and the generator is operated by the rotation.
That is, compressed air energy converted from the kinetic energy of the spilling wave is converted into rotational energy, and finally the rotational energy is converted into electric energy.

In the invention of claim 4 , the compressed air generated in the tank upper space is temporarily stored in the compressed gas supply tank, and the compressed air is stably sent out, so that the operation of the generator can be stabilized.
The compressed air in the tank upper space compressed by the squeezing wave can be temporarily stored in the compressed gas supply tank before being sent to the rotating device. And while the inside of this compressed gas supply tank is a high pressure state, it becomes possible to continue sending compressed air to the said rotation apparatus stably, and it becomes possible to obtain the stable electric power.

In the fifth aspect of the present invention, in the form having the overhanging portion, the side opening portions are provided on both side surface portions of the lower portion of the wave receiving tank, so that seawater is free from the lower side portion of the wave receiving port that is always open. To help the seawater rise.
In addition, when the waves are drawn, the seawater in the wave receiving tank that is raised and raised is simultaneously discharged from the side opening in addition to being discharged from the wave receiving port, so that it is possible to quickly discharge the water and draw the wave. It is avoided that waves collide in the wave receiving tank.

According to a sixth aspect of the present invention, a side opening is provided on both side portions of the wave receiving tank lower portion, and an electrically controllable electromagnetic opening / closing lid is provided on the side opening, thereby forcing the lid when a wave is drawn. The seawater in the wave receiving tank, which is open and raised up, is discharged from the side opening in addition to being discharged from the wave receiving port, so that it can be discharged quickly, and the wave to be drawn and the wave to come Colliding with each other in the catch tank is avoided.

In the case of a wave that rushes at a fine pitch, the pulling wave and the spilling wave collide with each other in the wave receiving tank, the kinetic energy for exciting the seawater is reduced, and the wave rising and rising in the wave receiving tank There is a risk that the difference cannot be obtained.
At that time, when the wave is drawn, the sea water in the wave receiving tank that is raised and raised is simultaneously discharged from the side opening in addition to being discharged from the wave receiving port. As a result, even if the pulsating wave has a fine pitch, the seawater repeatedly rises up in the wave receiving tank, and large power generation can be maintained. .

In the invention of claim 7, the wave receiving port is divided into a lower part that is always open and an upper part that can be opened and closed, and an opening and closing plate that allows the opening area of the upper part to be enlarged or reduced in the upper part It is provided with.
The opening area of the upper part is enlarged or reduced by the opening / closing plate. By adjusting the amount of incoming waves, the amount of compressed air in the tank upper space can be increased and power can be generated efficiently.
Seawater freely flows from the lower part of the wave receiving port that is always open, and the opening area of the upper part is enlarged or reduced by the opening / closing plate. By adjusting the amount of inflowing seawater, the amount of compressed air in the tank upper space can be increased and power can be generated efficiently.

In the invention of claim 8 , it is possible to adjust the upper end position of the opening portion of the wave receiving opening according to the height of the peak portion of the wake wave generated by operating the upper and lower opening and closing plates up and down by the opening and closing drive unit. Become.
And it becomes possible to obtain desired electric power generation amount by adjusting the quantity of the seawater which flows in.

In the invention of claim 9 , the rising and falling of the sea surface, the upper end of the wave receiving port according to the height of the peak portion of the wave, the swell wave hits the long slats from the outside with kinetic energy toward the coast. A part of the horizontally long slat is opened inward, and flows into the wave receiving tank from under the opened horizontally slat.
The upper horizontal slats are closed under the pressure of air from the inside, and when the seawater is further raised, the horizontal slats of that part remain closed under the pressure of seawater from the inside. .
For this reason, it can prevent that the compressed air obtained by the rise of seawater leaks from the horizontally long slats to the outside of the wave receiving tank and the air in the tank upper space is decompressed.
In this configuration, even if the water level at the peak of the wave changes greatly up and down, the kinetic energy of the spilling wave is not obstructed by the horizontally long slats, and the air in the upper space of the tank does not leak. In addition, the seawater in the tank upper space is raised in response to the height change of the mountain, and the power generation amount can be increased efficiently.

In the invention of claim 10 , when seawater rising in the tank upper space descends due to the pulling wave, the pressure in the tank upper space is reduced, the check lid is opened, and air enters the tank upper space from the opening. For this reason, the decompression state in the tank upper space is eliminated, and the seawater that has risen in the tank upper space is quickly discharged from the wave receiving port.
And since the next swell wave rises high from the position of the lowest water level, a large level difference of the seawater in the tank upper space is obtained. As a result, the air in the tank upper space is greatly compressed to generate a large amount of energy, and a larger amount of power can be obtained.

In the invention of claim 11, the approaching wave entering from the wave receiving port hits the approaching wave guiding surface inclined at the bottom surface part, and the course is changed upward, so that a higher rise of seawater is obtained in the tank upper space. As a result, the air in the tank upper space is more strongly compressed, and a larger amount of electric power can be obtained by the compressed air.

It is a perspective view which shows the form which provided the upper and lower opening-and-closing plate of this invention. It is a perspective view which shows the form provided with the overhang | projection part in the wave receiving plate. It is a perspective view which shows the form which formed the approaching wave induction surface. It is a perspective view which shows the form which provided the sliding opening / closing plate. It is a vertical side view which shows the form of FIG. It is a vertical side view which shows the form of FIG. It is a vertical side view which shows the form without a near wave induction surface. It is a vertical side view which shows a form without a non-return lid. It is a vertical side view which shows the form which has a compressed gas supply tank.

  The present invention intends to compress the air by using seawater that rises greatly on the coast due to the large kinetic energy of the swelling waves that are generated when the sea is damaged by the wind, and operates the generator with the compressed air. In the following, an embodiment of the wake wave power generator of the present invention will be described with reference to the drawings.

  In the present invention, as shown in FIGS. 1 to 4, a bottom surface portion 1 d at the bottom of the wave receiving tank 1 is fixed to the sea floor G near the coastline L that is the boundary between the sea U and the shore K, and FIGS. As shown in FIG. 2, the side surface portions 1a, 1b, the land side rear surface portion 1e, and the sea side front surface portion 1f are raised from the periphery of the bottom surface portion 1d to the sea, and the upper portion is covered with the upper surface portion 1c. The upper part is projected on the sea so as to be higher than the height h of the rising wave W.

  The land side rear surface portion 1e of the wave receiving tank 1 can be made upright or the upper side can be inclined toward the shore K side (not shown). This is to increase the rising height of the seawater by guiding the wake wave W traveling from the sea U to the shore K so as to run up the land side back surface portion 1e and become higher above the sea surface. On the contrary, if the upper side is inclined toward the sea U side, the wave does not run upward, but hits the rear side of the land and strikes back diagonally downward, leaving the wave receiving port 2 and is not preferable.

The bottom surface portion 1d of the wave receiving tank 1 can be a natural seabed (not shown) or an artificial flat surface as shown in the drawings.
In the case of a natural seabed, rocks and the like protruding into the wave receiving tank 1 are obstructed by the inflow of seawater and are removed.

And the wave receiving port 2 is provided in the lower part of the sea side front surface part 1f of the wave receiving tank 1.
As shown in FIGS. 5 to 9, the wave receiving port 2 has a vertical width from the bottom surface portion 1 d to the height of the peak portion of the approaching wave W, and a horizontal width as shown in FIGS. 1 to 4. The gap between the side surface portions 1a and 1b is widened as much as possible.
The reason why the wide opening up to the peak of the wake wave W is to capture as much of the wave with kinetic energy as possible in the shore direction.

  For example, when the upper end portion 2c of the wave receiving port 2 is aligned with the trough portion of the approaching wave W, most of the wave main body part hits the sea side front surface portion 1f of the wave receiving tank 1 and is rebounded, and the kinetic energy in the shore direction is increased. Since it disappears without entering into the wave receiving tank 1, it is not preferable.

The size of the surf wave changes with the weather, but the change in sea level due to tidal fluctuations twice a day is constant.
For this reason, when the wave receiving port 2 is fixed, for example, if the position of the upper end 2c of the wave receiving port 2 is set so as to be an average position of the sea surface between tidal periods without considering the magnitude of the wave. The best position is 4 times a day. In this case, at high tide, the valley portion of the wake wave W exceeds the upper end portion 2c of the wave receiving port 2, and in the low tide state, the mountain portion of the wake wave W moves away from the upper end portion 2c of the wave receiving port 2 downward. Therefore, even if there is a rush wave, the efficiency cannot be increased sufficiently.

And as shown in FIG. 5, the pipe connection hole 1h is provided in the upper surface part 1c of the said wave receiving tank 1. As shown in FIG.
The position of the pipe connection hole 1h is shown in the respective drawings in the form provided on the upper surface portion 1c of the wave receiving tank 1, but the wall surface portion below the upper surface portion 1c if the raised seawater does not reach May be provided.
In the upper part of the wave receiving tank 1, the entire periphery except the pipe connection hole 1h and the lower side is sealed to form a tank upper space 1g.

As shown in FIG. 5, the pipe connection hole 1 h is provided with a pipe 5 from above, and the pipe 5 is connected to a tank upper space 1 g in the upper part of the wave receiving tank 1 so as to be able to communicate therewith.
Further, a rotating device 6 that is connected to the pipe 5 and rotates by receiving the pressure of the compressed air flowing through the pipe 5 is provided at the upper part of the pipe 5. For example, an air turbine can be used as the rotating device 6.
The rotating device 6 is connected to an exhaust port 19 for discharging compressed air used for rotation to the outside. And the air which rotated the said rotation apparatus 6 is discharged | emitted from this exhaust port 19. FIG.
Further, the rotating device 6 is connected to a generator 7 that generates power by receiving the rotation of the rotating device 6.
The generator 7 may be placed directly on the wave receiving tank 1 or may be set away from the wave receiving tank 1.
The generator 7 may be a turbine generator integrated with the rotating device 6.

Moreover, as shown in FIGS. 1-4, the wave receiving plates 3 and 4 are provided in the outer side of the both-sides surface parts 1a and 1b of the said wave receiving tank 1. As shown in FIG.
As shown in FIG. 1, the wave receiving plates 3 and 4 are parallel or diverging directly from the vicinity of the wave receiving port 2 of the side surface parts 1 a and 1 b from the lower part to the upper part or the middle part of the wave receiving tank 1 toward the sea side. As shown in FIG. 2, the protruding portion 3a is protruded from both side edges of the land-side back surface portion 1e from the lower portion to the upper portion or the middle portion of the wave receiving tank 1 as shown in FIG. Thus, it is possible to separate the sea-side plate surface from the both side surface portions 1a and 1b, and to project from the front end portion of the overhang portion 3a to the sea side in a parallel or divergent manner and to rise from the seabed.

In the latter form of the overhanging portion 3a, side opening portions 9 and 10 can be provided below the side surface portions 1a and 1b of the wave receiving tank 1, as shown in FIG.
In this form, the swell wave rises and rises between the side surfaces 1a and 1b of the wave receiving tank 1 and the wave receiving plates 3 and 4 at that time. Enters the side openings 9 and 10 and assists the rising of the seawater in the wave receiving tank 1 to raise it higher. As a result, the air in the tank upper space 1g is more strongly compressed.
Further, when the wave is once drawn, the seawater in the tank upper space 1g is discharged from the wave receiving port 2 and also from the side openings 9, 10, so that the internal water level is lowered at a stretch.
In other words, since the wave is drawn quickly, the water level is lowered to the lowest level by the next wave even when the pitch is short. For this reason, when the wave is drawn, the seawater in the wave receiving tank 1 which is raised and raised is discharged from the side opening portions 9 and 10 in addition to being discharged from the wave receiving port 2, so that it can be discharged quickly. Thus, attenuation of the kinetic energy of the spilling wave due to collision of the pulling wave and the spilling wave in the wave receiving tank 1 is avoided, and high power generation can be maintained.

In addition, in order to speed up the pulling of the seawater in the tank upper space 1g, the wave receiving plates 3 and 4 are directed to the sea side directly from the vicinity of the wave receiving openings 2 on the side surfaces 1a and 1b of the wave receiving tank 1 in FIG. In the case where the water discharge port 22 is provided on the side surface, the opening / closing plate 23 that performs opening / closing control by the electromagnetic switch 24 is provided in the water discharge port 22 as shown in FIG. it can.
The electromagnetic switch 24 is provided with a pressure-sensitive sensor that detects the pressure of seawater in the tank upper space 1g. When the set water pressure is detected, the electromagnetic switch 24 is automatically opened to automatically open and close the open / close plate 23. It becomes.

  The wave force that pushes to the coast is large, and if it is light and low in strength, it may be destroyed. Therefore, the wave receiving tank 1 and the wave receiving plates 3 and 4 are preferably made of a material having excellent strength and durability such as metal or concrete.

As shown in FIGS. 1 to 7, an opening 11 is provided in the upper part of the wave receiving tank 1, and a non-return lid that is closed by pressurizing air in the tank upper space 1g and opened by depressurization. 12 is installed.
For example, the check lid 12 is pivotally supported by the pivotal support portion 20 below the opening portion 11, and a weak spring 21 is attached so that the check lid 12 is closed upward to pressurize the air in the tank upper space 1 g. A non-return lid 12 that can be closed and opened under reduced pressure is possible.
The installation location of the opening 11 with the non-return lid 12 faces the uppermost space and is not exposed to the raised seawater, that is, on the side surface portions 1a, 1b or the upper surface portion 1c at the top of the wave receiving tank 1. Can be provided.
In addition, the form shown in FIG. 8 is a form without such a check lid 12.

Further, as shown in FIGS. 1, 3, 4, 6, and 9, a wake wave induction in which the land side of the bottom surface portion 1d competes in the lower portion of the wave receiving tank 1 whose lower portion is fixed to the sea floor G near the coast. The surface 8 can also be formed.
The approaching wave guiding surface 8 is for guiding the approaching wave traveling from the sea to the shore upward, and may be provided in an inner arc shape in which the land side of the bottom surface portion 1d competes or inclined in a planar shape. it can.
3, FIG. 4 and FIG. 6 show the one formed by bending in an inner arc shape, and FIG. 1 to FIG. 9 show the one formed with a flat inclined surface.

In a certain form of the approaching wave guiding surface 8, the approaching wave hits the approaching wave guiding surface 8 of the bottom surface portion 1d of the wave receiving tank 1 to change the course upward and raise the seawater higher.
For this reason, a large rise of seawater is obtained in the tank upper space 1g. As a result, the air in the upper space in the tank upper space 1g becomes a large amount of compression, generating more energy and increasing the amount of power generation.

In the present invention, as shown in FIG. 7, a configuration in which the wave receiving port 2 is completely opened without providing anything, and in addition to this, a lower portion in which the wave receiving port 2 is opened, and an upper portion that can be opened and closed. It is possible to adopt a form in which the upper part is provided with an opening / closing plate that can be enlarged or reduced in the opening area of the upper part.
The form which provided the opening-and-closing board in the upper part among them is demonstrated below.

In this embodiment, as shown in FIG. 1, the upper end portion of the wave receiving port 2 is measured for a long term from the measurement data of the height of the peak portion of the approaching wave W at the installation location. Set the height near the highest value of the data, and set the lower part to the height near the lowest value of the long-term measurement data.
This setting is for determining the maximum and minimum possibility of receiving at the wave receiving port 2 in order to increase the power generation efficiency.

  As an embodiment in which the upper part is provided with an opening / closing plate, an embodiment in which the upper and lower opening / closing plate 14 in FIG.

First, an embodiment in which the upper and lower opening / closing plates 14 are provided will be described.
In this embodiment, as shown in FIGS. 1 to 3, guide rails 25 are provided on both sides of the upper portion of the wave receiving port 2, and the guide rail 25 can be blocked from the upper portion to the lower portion of the lower portion. A sliding upper / lower opening / closing plate 14 is mounted, and an opening / closing driving unit 15 for moving the upper / lower opening / closing plate 14 up and down is provided above the upper end 2c of the wave receiving port 2 of the sea side front face 1f.
Further, in this embodiment, as shown in FIG. 5, the upper end portion 2c of the wave receiving port 2 is set according to the assumed maximum height of the peak of the approaching wave from the measurement data, and the opening / closing drive unit 15 Thus, the opening height of the wave receiving port 2 can be adjusted to the opening between the upper and lower opening / closing plates 14 from the highest height of the peak portion to the lowest height assumed.

The opening / closing drive unit 15 fixes the lower end of the lifting rod 18 to the opening / closing plate 14 and allows the opening / closing plate 14 to be pulled up by a motor having a built-in upper portion of the lifting rod 18. Provide as possible. Note that a general operation circuit can be used for the remote operation circuit and wiring (the circuit arrangement and diagram are omitted).
By this operation, the upper and lower opening / closing plates 14 can block the opening portion of the upper portion above the upper end portion 2c of the wave receiving port 2 of the sea side front surface portion 1f from the upper portion to the lower portion.

Next, the form which provided the peristaltic opening / closing plate 13 in the upper part of the wave receiving port is demonstrated.
In this embodiment, as shown in FIGS. 4 and 6, the peristaltic opening / closing plate 13 includes a plurality of horizontally long wing plates 13a, 13b, 13c, and 13d.
The optimum number of sheets can be selected along with the selection of the width of each piece in consideration of the strength of the horizontally long blades according to the vertical width of the upper portion of the wave receiving port.
The horizontally long slats 13a, 13b, 13c, 13d are provided with pivot portions facing each other at both sides of the upper portion with a vertical interval, and a plurality of the horizontally long slats 13a, 13b are arranged in parallel to the pivot portions in parallel. It is possible to form a louver that suspends and stops when the bottom edge of each horizontally long slat 13a hits the top edge frame 17 of the horizontally long slat 13b below the top edge frame 17 so as to overlap each other in an airtight state.
In addition, a rubber plate or the like may be sandwiched between the lower edge of each horizontally long slat 13a and the top edge frame 17 of the horizontally long slat 13b below to improve airtightness. Is possible.

In this embodiment, the wave receiving port 2 may not be able to effectively capture the kinetic energy of the wave body when the upper end 2c is aligned with the trough of the wave W.
Although the magnitude of the wave changes from moment to moment, as shown in FIG. 4 and FIG. 6, the shape of the wave is adjusted so that the upper end 2c of the wave receiving port 2 is adjusted to the maximum height assumed for the peak portion of the wave. Set. Then, a plurality of horizontally long slats 13a, 13b, 13c, and 13d suspended in parallel vertically below the lower opening at the opening between the highest height of the peak and the lowest expected height, A wave entering from the outside toward the inside of the tank freely opens and closes around the pivot 16 in order upward from the lower horizontal slat 13d. However, any of the horizontally long slats 13a, 13b, 13c, 13d is stopped by the upper edge frame 17 so as not to open toward the outside of the tank, and a part of the opening is formed by the horizontally long slats 13 depending on the inner pressure. Are closed in order from the top.
For this reason, it becomes a big compression amount, big energy generate | occur | produces, and electric power generation amount also becomes large.

In this embodiment, the horizontally long slats 13 are opened by hitting a swaying wave. However, since the horizontally long slats 13 are automatically closed during a pulling wave, the amount of seawater discharged becomes smaller. For this reason, there is a possibility that it takes time for the whole amount of the raised seawater to be discharged. Therefore, similarly to the embodiment shown in FIG. 3, a water outlet 22 is provided below the both side surfaces 1 a and 1 b of the wave receiving tank 1, and an opening and closing plate that controls opening and closing by the electromagnetic opening and closing device 24 at the water outlet 22. By providing 23, it becomes possible to cope. In this case, the electromagnetic switch 24 is provided with a pressure-sensitive sensor for detecting the pressure of seawater in the tank upper space 1g, and is automatically opened when the set water pressure is detected.
In addition, by providing an opening / closing device for controlling the opening / closing plate once opened at the pivotal support portion of the horizontally long blades 13a, 13b, 13c, 13d for a certain period of time, it is possible to quickly discharge the seawater of a short pitch. Can be performed.

Further, as shown in FIG. 9, the pipe 5 between the pipe connection hole 1h and the rotating device 6 is provided with a compressed gas supply tank 26 for storing compressed air, and the pipe 5 has a direction toward the compressed gas supply tank 26. It is possible to provide a check valve 28 that only opens.
Since the compressed air in the tank upper space 1g compressed in the compressed gas supply tank 26 by the near wave is once stored in the compressed gas supply tank 26 and then sent to the rotating device 6, the rotating device can be stably provided. Stable power can be obtained by sending compressed air to 6.

Next, the operation of each part of the apparatus will be described.
The swaying wave that travels by moving up and down from the offshore to the shore by obtaining kinetic energy from the sea by wind etc., especially in the rough sea, the kinetic energy is extremely large, the wave that has reached the wave receiving plates 3 and 4 Collected toward the wave receiving port 2, proceeds from the wave receiving port 2 into the wave receiving tank 1.
In the form in which the wave receiving plates 3, 4 are widened to the side and the side openings 9, 10 are provided in the lower part, the spilling waves are formed on the sides of the side surfaces 1 a, 1 b of the wave receiving tank 1 and the wave receiving plates 3, 4. In this case, the seawater enters the side openings 9 and 10 by the high water pressure of the seawater in the lower part of the seam, and the seawater in the wave receiving tank 1 is assisted and swells higher.

When the approaching wave enters the wave receiving port 2, it strikes the land-side back surface portion 1e, and the kinetic energy changes direction from there and moves upward, so that the water surface of the tank upper space 1g is greatly raised.
As a result, the space in the tank upper space 1g is reduced and air is compressed.
The compressed air is guided to the pipe 5 at the upper part of the tank and sent to the rotating device 6, and the rotating device 6 rotates, and the generator 7 generates electricity by the rotation.

Thereafter, the seawater that has risen in the tank upper space 1 g loses the energy that rises and falls due to the gravity of the seawater, and is discharged from the wave receiving port 2 and the side openings 9 and 10.
Further, when the wave is once drawn, the seawater in the tank upper space 1g is discharged from the wave receiving port and also from the side openings 9, 10, so that the internal water level is lowered at a stretch. Since the wave is drawn quickly, the water level drops to the lowest level by the next wave, even if the pitch is short.
In the embodiment provided with the water drain port 22 shown in FIG. 3, once the wave is drawn, the seawater in the tank upper space 1 g is discharged from the wave port, and the electromagnetic switch 24 opens and closes the water drain port 22. Since the plate 23 opens and seawater is discharged from here, the internal water level is lowered at a stretch. Since the wave is drawn quickly, the water level drops to the lowest level by the next wave, even if the pitch is short.

In the form in which the opening 11 with the check lid 12 that is closed by pressurization of air in the tank upper space 1g and opened by decompression is provided in the upper part of the wave receiving tank 1 when the seawater descends, the tank upper space 1g When the seawater descends, the internal air is depressurized, the check lid 12 is opened and air enters through the opening 11, the decompressed state is released, and the seawater in the tank upper space 1g can be lowered smoothly.
When the tank upper space 1g is at a high pressure, the check lid 12 is closed, and the high pressure air is not leaked to the outside from the check lid 12 and is sent at a high pressure, so that the rotating device 6 is efficiently rotated. Is called.

In the present invention, as described above, the height of the sea level is obtained in the tank upper space 1g by the spilling wave, and the larger the spilling wave, the greater the compression amount and the greater the amount of energy generated. become able to.
When the wave receiving tank 1 has a distance between the land-side rear surface portion and the sea-side front surface portion that is smaller than the distance between the peak portions of the swelling waves, the volume of compressed air obtained in the tank upper space 1g is also reduced. In addition, if the distance between the peaks of the generated spilling waves is larger than that, the subsequent waves will come in before the previous wave is finished. The height of the seawater that rises within 1 g is reduced.
Since the near wave does not occur at a uniform pitch, it cannot be adapted to the size of the whole wave, but if you look at a certain time, similar waves will switch and occur, and the magnitude will be extremely large during that time. You can hardly do different spills.
Therefore, it is preferable to design in accordance with the average wave size at the installation site.
In addition, since the spilling wave of the sea repeatedly pushes and generates power intermittently by the spilling wave each time, it is not possible to obtain a constant power generation continuously. For this reason, by incorporating a flywheel or the like into the rotating device 6, the rotation can be maintained at a constant speed, and stable power can be obtained.

  Although the present invention is provided on the sea floor near the coast where the swells come, the installation location can be installed by excavating the coast.

DESCRIPTION OF SYMBOLS 1 Wave receiving tank 1a, 1b Side surface part 1c Upper surface part 1d Bottom surface part 1e Land side rear surface part 1f Sea side front surface part 1g Tank upper space 1h Pipe connection hole 2 Wave receiving port 2a, 2b Side part 2c Upper end part 2d Lower end part 3 Wave receiving Plate 3a Overhang portion 4 Wave receiving plate 4a Overhang portion 5 Pipe 6 Rotating device 7 Generator 8 Bringing wave guiding surface 8a Inner arc-shaped curved surface 8b Planar inclined surface 9 Side surface opening portion 10 Side surface opening portion 11 Top surface opening portion 12 Reverse Stop lid 13 Peristaltic opening / closing plate 13a, 13b, 13c, 13d Horizontal long wing plate 14 Upper / lower opening / closing plate 15 Opening / closing drive part 16 Pivot part 17 Upper edge frame 18 Lifting rod 19 Exhaust port 20 Pivot part 21 Spring 22 Draw water outlet 23 Open / close Plate 24 Electromagnetic switch 25 Guide rail 26 Compressed gas supply tank 27 Pipe 28 Check valve
G submarine W wake wave h wake wave rise width K shore U sea L coastline

Claims (11)

It is installed in the sea along the coast, and is surrounded by a bottom surface, top surface, both side surfaces, a land-side back surface, and a sea-side front surface, and a wave receiving port is provided at the bottom of the sea-side front surface. A wave receiving tank in which a sealed space is formed when the wave receiving port is closed;
A wave receiving plate that collects waves at the wave receiving port of the wave receiving tank;
A generator that generates electric power by receiving the pressure of the air in the wave receiving tank that is compressed by being pushed by the seawater that enters from the wave receiving port and rises in the sealed space;
With
The wave receiving plate projects in parallel from the both side edges of the land-side back surface from the lower part to the upper part or the middle part of the wave receiving tank, and is parallel to the sea side from the tip part of the overhang part. Alternatively, a swell wave power generation device characterized by being projected from the bottom and launched from the seabed. A pipe connection hole is provided on the upper surface of the wave receiving tank or in the vicinity of the upper surface, and a tank upper space is formed on the upper side of the wave receiving tank, the entire circumference except for the pipe connection hole and the lower side being sealed. The wake-up power generator according to claim 1, wherein   A pipe connected to the pipe connection hole from above, a rotating device connected to the pipe and rotating under the pressure of the air flowing through the pipe, and a power generating device connected to the rotating device and receiving the rotation of the rotating device The wake-up power generator according to claim 2, further comprising: 4. A compressed gas supply tank for temporarily storing compressed air is provided in a pipe between the pipe connection hole and the rotating device, and a check valve that opens only in the direction of the compressed gas supply tank is provided in the pipe. The wake wave power generator described. Surf power generator according to any one of claims 1, characterized in that a side opening in both side surface portions of the wave receiving tank bottom 4. 6. A near wave power generation device according to claim 5 , wherein an electromagnetically controllable electromagnetic opening / closing lid is provided at both side opening portions of the lower part of the wave receiving tank. The wave receiving port is divided into a lower part that is always open and an upper part that can be opened and closed, and the upper part is provided with an opening and closing plate that can enlarge or reduce the opening area of the upper part. Item 6. The swelling power generator according to any one of Items 1 to 6 . A guide rail is provided on both sides of the upper part, and an upper and lower opening and closing plate that slides from the upper part to the lower part of the lower part is attached to the guide rail, and is higher than the upper end part of the wave receiving port on the sea side front part. The swelling power generator according to claim 7 , wherein an opening / closing drive part for raising and lowering the upper and lower opening / closing plate up and down is provided on an upper part. A pivotal support portion is provided on both sides of the upper portion so as to be opposed to each other with a vertical interval, and a plurality of horizontally long slats are suspended in parallel vertically on the pivotal support part, and the lower edge of each laterally long slat is below it. 8. A swelled wave power generator according to claim 7 , further comprising a louver-like peristaltic opening / closing plate that stops by hitting the upper edge frame of the horizontally long slats so as to overlap each other in an airtight manner from the inside. The opening part is provided in the upper part of a wave receiving tank, The check cover which closes by the pressurization of the air in a tank upper space, and opens by pressure reduction was mounted | worn in any one of Claim 1 to 9 characterized by the above-mentioned. The near wave power generation device described in 1. The bottom portion of the wave receiving tank, to any one of claims 1, wherein the 10 that the land side was formed surf guide surface which is an inner arcuate curved surface with either or planar inclined surface rising auction The wake wave power generator described.

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