KR102105173B1 - Aquatic and semisubmersible solar power generating device - Google Patents

Abstract

Disclosed is a semisubmersible type floating photovoltaic device. Particularly, the semisubmersible type floating photovoltaic device comprises: a floating body having a plurality of hollow floating units installed on a lower part of a support plate at regular intervals and provided in a state submerged on the water; an anchor fixed in a state sunken at the bottom of the water; a plurality of solar panels vertically installed on an upper surface of the support plate; a post vertically provided in the center of the support plate; and a sinking control means installed on an upper end of the post and connected by the anchor and a wire rope to control the depth at which the floating body is submerged by winding or unwinding the wire rope.

Description

{Aquatic and semisubmersible solar power generating device}

The present invention relates to a water photovoltaic power generation device, and more particularly, to a semi-submersible water tank photovoltaic power generation device having a structure in which a buoyancy body is settled in water and the solar panel is exposed on the water surface.

The connection-type hollow buoyancy body filed and registered by the present applicant is capable of generating solar power at sea by installing a solar panel on the upper surface.

However, because the buoyant body is operated while floating on the water,

You need to maintain a constant depth. It is necessary to maintain a depth that minimizes the effects of waves or tides.

1 is a view showing the structure of a conventional semi-submersible water photovoltaic device.

According to the published contents, "A floating body 10 in which air and water are stored so as to be locked with buoyancy in the water; and one or more supports 20 vertically connected to the floating body 10 and provided on the water surface. And; a frame 30 connected to and supported by the upper end of the support 20; a solar module structure 40 provided in the frame 30; and a floating body 10 on one side of the floating body 10. ) Is a semi-submersible floating structure of an aquatic photovoltaic device characterized in that it comprises; a water level control device 50 that controls the amount of air and water to control the water level of the floating body 10. .

According to this prior art, it is provided with a semi-submersible to be positioned at a predetermined depth below the surface of the water, which is not affected by the waves of the ocean or the reservoir, thereby minimizing the shaking caused by waves (swells) or waves, and floating by fatigue stress. There is an effect that can prevent the damage to the structure by reducing the adverse effect that can be applied to various parts provided in the structure.

However, the conventional semi-submersible floating body has a problem in that a pump for injecting water and a compressor for injecting air are required because the method of forcibly injecting or subtracting water or air to control the level of the floating body.

That is, since the structure is complicated, there is a high risk of breakdown or damage, and a large amount of time, manpower, and maintenance are required.

Republic of Korea Registered Patent 10-1970640 (2019.4.15.) "Water solar power device using underwater buoyancy" Republic of Korea Patent Publication No. 10-2016-0017555 (2016.2.16.) "Semi-submersible floating structure of water photovoltaic device" Republic of Korea Patent Publication 10-2019-0037642 (2019.4.8.) "Semi-submersible solar power system and its control method"

Accordingly, the present invention is to solve the above-mentioned problems, the object of the present invention is to provide a semi-submersible floating photovoltaic device in which a buoyant body is submerged at a certain depth in water, and the solar panel is exposed above the water surface.

Specifically, it is to provide a semi-submersible floating solar power generation device capable of maintaining a state in which a buoyant body is submerged at a certain depth even if the water surface changes due to the tide.

Semi-submersible floating solar power generation apparatus according to the present invention for achieving the above object, a plurality of hollow buoyancy units are installed at regular intervals on the lower portion of the support plate, a buoyancy body provided in a submerged state; Anchors fixed to the bottom of the water in a settled state; A plurality of solar panels vertically installed on the upper surface of the support plate; Post provided vertically in the center of the support plate; And a sedimentation control means installed on an upper end of the post and connected by the anchor and a wire rope to control the depth at which the buoyant body is submerged in the water by winding or releasing the wire rope.

Here, the sedimentation control means, a motor installed on the top of the post, a plurality of drums coupled to the shaft of the motor for forward or reverse rotation, one end fixed to the drum and wound, and the other end extended downward It may be made of a wire rope connected to the anchor, and a pulley installed on the edge of the support plate and the post to change and induce the direction of the wire rope.

At this time, in the center of the post, one end is rotatably coupled up and down, the other end of the switching bar coupled to the other end floating on the water surface and sensing the rotation of the switching bar to detect the rotation of the motor forward or reverse rotation A direction switching means including a limit switch for transmitting a signal to be transmitted may be further provided.

Or to the motor, when the water level increases with time due to tide, the wire rope is released to raise the buoyancy body, and when the water level is lowered, the wire rope is wound to lower the buoyancy body. A time controller for controlling rotation by time can be attached.

In addition, a one-way clutch may be provided between the drum and the shaft of the motor, and a clamper fixed to the rotating shaft of the motor and fastened to the drum may be provided on one side of the drum.

In addition, the motor has a built-in brake to lock the motor shaft when the motor is not operating.

Meanwhile, the buoyancy unit may be formed in a tube shape having an inlet for injecting air.

According to the present invention described above,

Even if the water level fluctuates largely due to low tide, the buoyant body is controlled to maintain a locked state while maintaining a constant water depth, so that stable solar power generation is possible even in various external environment changes. That is, it is safe because it does not overturn or fluctuate.

In addition, the structure and operation mechanism are simpler and easier to maintain than the existing ones.

1 is a view showing the structure of a conventional semi-submersible water photovoltaic device
Figure 2 is a side view showing the overall structure of a semi-submersible floating solar power generation apparatus according to an embodiment of the present invention
Figure 3 is a plan view of the present invention shown in Figure 2
Figure 4 is a view showing the direction switching means of the present invention shown in Figure 2
5 is a view showing the structure of the drum and the clamper of the present invention shown in FIG.
Figure 6 is an operating state of the present invention

Hereinafter, an embodiment according to the present invention will be described in more detail with reference to the accompanying drawings.

For reference, the description with reference to the drawings is for easier understanding of the present invention, and the scope of the present invention is not limited thereto. And in describing the present invention, when it is determined that a detailed description of a related known technology may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted.

Figure 2 is a side view showing the overall structure of a semi-submersible floating solar power generation apparatus according to an embodiment of the present invention, Figure 3 shows a plan view of the present invention shown in FIG.

Semi-submersible floating solar power generation device according to the present invention, as shown, largely includes a buoyancy body 100, anchor 200, solar panel 300, post 400, sedimentation control means 500 Can be configured.

First, the buoyancy body 100 will be described.

The buoyancy body 100 is composed of a buoyancy unit 110, a connector 120, a support 130, a connecting member 140 and a support plate 150 to provide buoyancy to float on the water surface.

The buoyancy unit 110 may have a hollow hollow shape and a closed pipe at both ends. Specifically, the buoyancy unit 110 is composed of a lower plate 112 having a semi-circular cross-section formed on a lower surface of the upper plate 111 and the upper plate 111 horizontally arranged, the circular pipe has a half-section in half. It may be a pipe shape having a truncated semicircular cross section.

Here, both ends of the buoyancy unit 110 are closed so that water does not flow. Therefore, since the inside is empty, buoyancy is generated.

Alternatively, the buoyancy unit 110 may be filled with a foamable resin to generate buoyancy. In this case, both ends of the buoyancy unit 110 may not be sealed.

Meanwhile, the buoyancy unit 110 may be formed in a tube shape capable of generating buoyancy by inflating by injecting air.

Therefore, it is preferable that the buoyancy unit 110 is provided with a separate injection port for injecting air.

In the present invention, the buoyancy unit 110 is required to maintain a settled state in the water, so it is difficult to settle in the water by applying a force in the first buoyancy state. In this case, the buoyancy unit 110 can be settled in the water by installing it in the water while most of the air is discharged through the injection port and injecting air through the injection port again.

The connector 120 may extend and protrude horizontally from both sides of the upper plate of the buoyancy unit 110. And the connector 120 is continuously formed along the longitudinal direction of the buoyancy unit 110.

The support 130 is installed on the upper surface of the buoyancy unit 110, and extends and protrudes vertically to the upper surface of the top plate 111. The support 130 may also be continuously formed along the longitudinal direction of the buoyancy unit 110.

The buoyancy unit 110, the connector 120, the support 130 may be made of a synthetic resin material, it is preferable to be integrally molded and manufactured by an injection molding process.

Here, the buoyancy units 110 are connected to each other by a connecting member 140, respectively. That is, by connecting the connecting ports 120 of the two adjacent buoyancy units 110 to the connection member 140, a plurality of the buoyancy units 110 may be continuously connected to be provided as a rectangular plate.

The connector 120 and the connecting member 140 may be connected by mutual bolting or fitting.

Next, the anchor 200 is configured to maintain the submerged state of the buoyancy body 100, and is fixed in a submerged state on the bottom of the water.

The anchor 200 does not move because it is fixed to the bottom of the water by its own weight or embedded in the bottom.

Accordingly, the anchor 200 may be a structure of a large weight, for example, a concrete structure or a structure of a rust-prevention metal material.

Next, the solar panel 300 is installed on the upper surface of the support plate 150.

At this time, the buoyancy body 100 is in a submerged state, but the solar panel 300 must maintain an exposed state on the water surface.

To this end, a support frame 310 supporting the solar panel 300 is vertically installed on the upper surface of the support plate 150, but the lower end is located underwater, but the upper end is formed long enough to be exposed above the water surface.

The solar panel 300 may be installed at an upper end of the support frame 310, and a plurality of them may be arranged at regular intervals.

A post 400 is vertically provided at the center of the support plate 150. The post 400 is intended to support the sedimentation control means 500, which will be described later, so it is preferable to have a certain strength or more because it receives a large force.

The lower end of the post 400 is located underwater, but the upper end is exposed above the water surface.

Because, the sedimentation control means 500 is provided at the upper end of the post 400, so that the sedimentation control means 500 does not flow moisture to prevent a failure.

Next, the settling control means corresponding to the core technical features of the present invention will be described with reference to FIGS. 4 and 5 together. 4 is a view showing the direction switching means of the present invention shown in Figure 2, Figure 5 is a view showing the structure of the drum and the clamper of the present invention shown in FIG.

The sedimentation control means 500 is a means for adjusting the sedimentation depth so that the buoyancy body 100 remains submerged in water, but is located at a certain depth.

The tide is generally occurring in the sea. In particular, in the West Sea of Korea, the difference between tides occurs up to about 10m.

The buoyancy body 100 installed at a position where the difference between tides is large is deeply immersed in high tide, and in severe cases, the solar panel 300 may be immersed in water. On the other hand, in low tide, the buoyancy body 100 is located on the surface of the water, so the object of the present invention is not achieved.

Specifically, the sedimentation control means 500 may include a motor 510, a drum 520, a wire rope 530, a pulley 540, and a rotation switching means 550.

The motor 510 is horizontally installed on the top of the post 400. The motor 510 may be controlled to be capable of forward rotation and reverse rotation. In addition, it is necessary to use a capacity that provides a force sufficient to allow the buoyancy body 100 to settle in water.

A drum 520 is coupled to the shaft of the motor 510.

The drum 520 is for winding the wire rope 530, and is rotated by being coupled to the shaft of the motor 510 by a number corresponding to the number of the wire rope 530.

Since the support plate 150 is usually rectangular, four anchors 200 are provided on the bottom of the water in the four corner directions of the support plate 150, and four of the drums 520 are also provided.

Each end of the wire rope 530 is coupled to and wound on the drum 520.

And the other end of the wire rope 530 is coupled to the anchor 200.

At this time, each of the wire ropes 530 is turned and supported by a pulley 540.

Each of the pulleys 540 may be installed at an edge of the support plate 150, for example, at four corners of the support plate 150 as shown.

And as shown in Figure 2 is installed adjacent to the lower end of the post 400, it is also provided on the upper end of the post 400.

That is, the wire rope 530 has a pulley 540 installed on one side of the lower end of the post 400 after the other end passes through the pulley 540 of the upper end of the post 400 while the one end is fixed to the drum 520 and wound. ) And is fixed to the anchor 200 via a pulley 540 installed at the edge of the support plate 150.

Of course, the number and arrangement of these pulleys is only an example, and it is natural that various modifications may be made.

Therefore, when the drum 520 winds the wire rope 530, the anchor 200 is fixed, so that the upper end of the post 400 receives a force downward by the tension applied to the wire rope 530. This force is transmitted to the support plate 150 and the entire support plate 150 descends to settle.

Conversely, when the drum 520 releases the wire rope 530, the support plate 150 rises by buoyancy.

On the other hand, the center of the post 400 may be further provided with a rotation switching means 550 for switching the axial rotation direction of the motor 510 according to the tide.

Referring to the bar shown in Figure 4, the rotation switching means 550 may be composed of a switching bar 551, a buoy 552, and a limit switch 553.

The switching bar 551 is provided horizontally in the middle of the post 400, one end may be hinged to the post 400 to be rotatable.

The other end 552 of the switching bar 551 is coupled. The buoy 552 is buoyant so that the switching bar 551 is horizontal.

At the other end of the switching bar 551, a pair of limit switches 553 is installed up and down.

When the upper limit switch 553a is touched according to the rotation of the switching bar 551, the shaft of the motor 510 is rotated in a direction to wind the wire rope 530, and when the lower limit switch 553b is touched, The wire rope 530 is operated to rotate the axis of the motor 510 in the direction of loosening.

Alternatively, the rotation of the motor 510 may be controlled by a time controller (not shown) without the rotation switching means 550.

That is, a time controller is attached to the motor 510, and data about the depth of the tide in the corresponding area according to time is input to the time controller to automatically operate the motor according to time.

For example, in an area where the tide increases or decreases by 0.5 m every hour, the time controller pre-programmed such that the motor winds or unwinds the wire rope by 0.5 m every hour can be installed.

Preferably, a brake (not shown) is built in the motor to lock the shaft so that the shaft does not rotate while the motor 510 is stopped.

At this time, the brake may be in any form.

However, when the present invention is first installed on the water, when the wire rope 530 fixed to the anchor 200 is wound around the drum 520, each wire rope 530 is set to maintain the same length. Should be. So that the support plate 150 can be maintained horizontal.

To this end, when the motor 510 is driven to rotate the drum 520, the lengths of the wire ropes 530 may be different from each other.

To prevent this, a one-way clutch 512 is installed between each drum 520 and the shaft of the motor 510. That is, by allowing the drum 520 to be manually rotated only in one direction, an operator can manually wind the wire rope 530 on the drum 520. At this time, since it does not rotate in the opposite direction, it is not released.

By rotating the four drums 520 in this manner, each wire rope 530 can be fitted to each other to have the same length. That is, when one side of the support plate 150 is inclined, the remaining wire rope 530 except for the wire rope 530 provided in the direction may be wound to adjust the level of the support plate 150.

When the level of the support plate 150 is adjusted in this way, the operation of the one-way clutch 512 is excluded and the drum 520 must rotate together as the shaft of the motor 510 rotates forward or reverse.

To this end, a clamper 560 is installed and fixed to the shaft of the motor 510.

The clamper 560 may have the same shape as the drum 520 as shown, and is provided adjacent to one side of each drum 520. That is, the number of the drum 520 and the clamper 560 is the same.

In addition, the clamper 560 may be engaged with the drum 520. That is, the drum 520 and the clamper 560 may be integrally fastened to each other by bolts 570 penetrating at the same time.

Therefore, since the clamper 560 and the drum 520 are fixed, the drum 520 may rotate together even if the axis of the motor 510 rotates in any direction.

Hereinafter, an operating state of the present invention will be described with reference to FIG. 6. Figure 6 shows the operating state of the present invention.

FIG. 6 (a) shows a case where the water level is lowered by low tide, and FIG. 6 (b) shows a case where the water level is increased by high tide.

First, when the water level is lowered at low tide, the buoyancy body 100 almost reaches the water surface.

At this time, the switching bar 551 is rotated clockwise by the buoy 552 to touch the upper limit switch 553a.

Then, when the upper limit switch 553a is turned on, the motor 510 operates to rotate the drum 520 in a direction to wind the wire rope 530.

When the wire rope 530 is wound, a tension is formed in the wire rope 530 so that the support plate 150 is pressed down.

Therefore, the buoyancy body 100 descends to a settled state to a certain depth.

Here, the motor 510 is not continuously operated and is controlled to operate so that the buoyancy body 100 descends only a predetermined predetermined depth when it is operated once.

If the water level rises due to the high tide, the buoyancy body 100 settles deeper and the solar panel 300 may be immersed in water.

At this time, the switching bar 551 is rotated counterclockwise by the buoy 552 to touch the lower limit switch 553b.

Then, when the lower limit switch 553b is turned on, the motor 510 operates, but the drum 520 rotates in a direction to loosen the wire rope 530.

When the wire rope 530 is released, the tension on the wire rope 530 is released, and the force pressing the support plate 150 is removed to rise.

Therefore, the buoyancy body 100 rises and rises to a certain depth.

At this time, the motor 510 is not continuously operated and is controlled to stop when the buoyancy body 100 rises and reaches a predetermined depth.

The exemplary embodiments of the present invention have been described above with reference to the drawings, but those skilled in the art to which the present invention pertains may be able to perform various applications and modifications within the scope of the present invention based on the above. Therefore, the scope of the present invention should not be limited to the described embodiments, and should be defined not only by the claims described below but also by the claims and equivalents.

100: buoyancy body 110: buoyancy unit
111: upper plate 112: lower plate
120: connector 130: support
140: connecting member 150: support plate
200: anchor
300: solar panel 310: support frame
400: post
500: sedimentation control means
510: motor 511: bearing
512: one-way clutch 520: drum
530: wire rope 540: pulley
550: direction switching means 551: switching bar
552: Boogu 553: Limit switch
553a: Upper limit switch 553b: Lower limit switch
560: clamper 570: bolt

Claims (7)

A buoyancy body having a plurality of hollow buoyancy units installed at regular intervals at a lower portion of the support plate and provided in a submerged state;
Anchors fixed to the bottom of the water in a settled state;
A plurality of solar panels vertically installed on the upper surface of the support plate;
Post provided vertically in the center of the support plate;
A motor installed on the upper end of the post, a plurality of drums coupled to the shaft of the motor for forward or reverse rotation, one end fixed to the drum and wound, and the other end extending downward and connected to a wire rope connected to the anchor. , Settlement control means installed at the edge of the support plate and the post to include a pulley for changing and inducing the direction of the wire rope, winding or unwinding the wire rope to control the depth at which the buoyant body is submerged in water. Done by,
In the center of the post, one end is rotatably coupled to the top and bottom, and the other end of the switching bar is coupled to the float floating on the surface and the rotation of the switching bar is detected to detect the rotation of the motor forward or reverse signal Semi-submersible floating solar power generation device, characterized in that further comprising a direction switching means including a limit switch to send. delete delete According to claim 1,
In the motor,
The rotation of the motor is controlled by time so that the buoyancy body is raised by releasing the wire rope when the water surface increases with time due to the tide, and the buoyant body is wound by winding the wire rope when the water surface is low. Semi-submersible floating solar power generation device, characterized in that the time controller is attached. According to claim 1,
A one-way clutch is provided between the drum and the shaft of the motor,
A semi-submersible floating photovoltaic device, characterized in that a clamper which is fixed to a rotating shaft of the motor and is fastened to the drum is provided at one side of the drum. According to claim 1,
The motor has a built-in brake inside, the semi-submersible floating solar power generation device characterized in that the motor shaft is locked when the motor is inoperative. According to claim 1,
The buoyancy unit is a semi-submersible floating photovoltaic power generation device characterized in that it is made of a tube shape with an inlet for injecting air.

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