KR101918970B1 - Floating solar power generating system - Google Patents

Abstract

A floating solar power generating apparatus of the present invention includes: a solar power generating unit including unit solar power generating units in which solar power generating modules are installed and which are floated by first buoyancy bodies, and a connection frame for mutually connecting the unit solar power generating units; a dummy buoyancy body which is hinged to a connection member and a frame of the solar power generating unit along the edge of the solar power generating unit, is floated by second buoyancy bodies to protect the solar power generating unit from strong wind or waves, and prevents the horizontal state of the solar power generating module installed in the solar power generating unit from being collapsed by a support rope according to a water level variation; and a rope fixing unit which fixes the rope for supporting the dummy buoyancy unit to the dummy buoyancy unit. Accordingly, the present invention can prevent the frame of the solar power generating apparatus from being damaged and minimize the fluidity of the solar power generating modules.

Description

{FLOATING SOLAR POWER GENERATING SYSTEM}

The present invention relates to a solar photovoltaic power generation apparatus, and more particularly, to a solar photovoltaic power generation apparatus capable of maintaining a stable floating state of a solar photovoltaic module from a fluctuation of a water level and an influence of wind.

As concerns about exhaustion of fossil fuels and environmental pollution are becoming a social problem, there is a growing demand for environmentally friendly clean energy in place of existing energy. As one of the clean energies described above, photovoltaic generation using solar light is widely used in various fields.

Such a photovoltaic power generation device has a relatively large installation area, and the photovoltaic power generation described above has a different direction and angle of the solar cell module depending on the mounting and fixing path of the solar cell module or the traveling path of the sun. Depending on the condition, it is classified into fixed type, fixed variable type, uniaxial type, and double axis type.

The photovoltaic power generation system is installed considering efficiency and installation cost, and various technological developments are being carried out for the solar power generation with high efficiency at a lower installation cost. In consideration of this point, in recent years, it has been commercialized in a photovoltaic (PV) system that floats on the surface of the water. As a result, the idle water surface is used compared to when installed on the ground. This is because it is more free from sunlight cutoff conditions on the ground.

 In such a PV system installed in a watercourse, a water structure in which a solar module is installed may be rolled or damaged due to rolling and level differences occurring in a water surface, and the structure is complicated and the installation cost is increased .

Korean Patent Registration No. 10-1492838 discloses a water-state photovoltaic power generation system. The posted power generation system includes a support frame in which a solar power module is installed on an upper part and a floating body is accommodated therein, a fender for maintaining a gap between the support frames, , The frame for each photovoltaic power generation module is seated independently on the ground when the ground surface comes into contact with the ground during the rain season, thereby preventing the frame from being warped.

According to Korean Patent Registration No. 10-1488931, a solar photovoltaic power generation system capable of increasing the solar photovoltaic power by adjusting the direction of the solar photovoltaic power generation device in accordance with the position of the sun is disclosed, and Korean Patent Publication No. 10- 1448212 discloses a technology related to a water-cooled solar photovoltaic power generator configured to improve power generation efficiency by rapidly transferring heat generated from the rear portion of a solar panel under a high temperature environment such as in summer.

Korean Patent Registration No. 10-1028944 discloses a floating solar power generation device. A solar photovoltaic power generation system includes a solar cell module suspended in a water phase, a plurality of steel wires connecting the solar cell module and the land, a plurality of steel wires arranged on the land to support the steel wires, A plurality of length adjustment modules for adjusting the lengths of the steel wires, and a rotation module for rotating the solar cell module so that the solar cells follow the sunlight.

In the conventional aquatic photovoltaic power generation apparatus configured as described above, it is possible to prevent the horizontal state of the photovoltaic module at the edge from being collapsed due to the fluctuation of the water level, And there is a problem that the photovoltaic power generation device is severely shaken. Further, it is difficult to maximize the power generation efficiency of the photovoltaic power generation device.

Particularly, when the bottom of the river or the lake is opened like a wet season and the solar power generation device is placed on the bottom surface of the lake, there is a problem that the frame supporting the solar power generation module is warped by the load.

Korean Patent Registration No. 10-1492838

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to prevent a horizontal state of a solar power generating module installed in a frame from being collapsed according to a variation of a water level, And it is an object of the present invention to provide an aquarius photovoltaic device capable of preventing the frame of the module from being severely shaken.

Another object of the present invention is to provide a solar module capable of reducing the resistance of the wind acting on a bulb and hinging the unit frames supporting the solar modules, And a photovoltaic device.

In order to achieve the above object,

A photovoltaic power generating unit including unit solar photovoltaic power generation units installed with the first photovoltaic power generation modules and floated by the first buoyant bodies, and a connection frame interconnecting the unit solar photovoltaic power generation units,

The solar battery module is hinged by the frame of the solar generator part and the connecting member along the edge of the solar power generator part and floated by the second buoyant members to protect the solar power generator part from strong winds or waves, A dummy buoyancy unit for preventing the horizontal state of the photovoltaic power generation module provided in the solar power generation unit from being collapsed by the buoyant buoyancy unit, a rope fixing member for supporting the dummy buoyancy unit, It has a government.

In the present invention, the unit solar photovoltaic portion includes a first frame member in the longitudinal direction, a first frame member provided on the first frame member, the first buoyancy members, and a panel support frame provided on the first frame member, And a photovoltaic power generation module provided at an upper portion of the photovoltaic power generation module,

The connection frames for supporting the unit solar battery units are connected by a hinge connection part and are configured to be rotatable with each other.

Wherein the dummy buoyancy unit comprises: a dummy frame member positioned along an edge of the dummy buoyancy unit so as to be spaced apart from the photovoltaic power generation unit by a predetermined distance so that the solar power generation unit is positioned inside the dummy buoyancy unit; A second buoyant body for lifting the second buoyant body,

And a connection frame constituting the dummy frame member and the solar power generation unit is connected by a connection unit. The auxiliary dummy buoyancy unit is hinged to the dummy frame member. The auxiliary dummy buoyancy unit has an auxiliary dummy frame rotatably installed on the dummy frame member, and an auxiliary buoyant body is installed on the lower side of the auxiliary dummy frame .

The water photovoltaic device of the present invention can prevent the horizontal state of each solar battery module installed in the solar power generation part from being collapsed due to the fluctuation of the water level and can minimize the influence of strong winds. It is possible to prevent the frame of the photovoltaic apparatus from being damaged when the solar power generator comes into contact with the ground in the rainy season and to minimize the flowability of the photovoltaic module by wave or wave.

1 is a plan view of a water-state photovoltaic generation apparatus according to the present invention,
FIG. 2 and FIG. 3 are perspective views showing an aquarium photovoltaic apparatus according to the present invention,
4 is a partially cutaway cross-sectional view of the aquatic solar power generating apparatus shown in Fig. 1,
5 is a perspective view illustrating a hinge coupling portion for connecting connection frames,
FIG. 6 is a perspective view illustrating the connection unit,
FIG. 7 and FIG. 8 are perspective views showing embodiments of a rope fixing portion for supporting a rope or a chain. FIG.

Fig. 1 shows a water solar power generation apparatus according to the present invention, which is shown in Figs. 1 to 4. Fig.

Referring to the drawings, an aquatic solar power generation apparatus 10 according to the present invention is installed on the surface of a lake, a sea, a river, etc., and is provided with solar power generation modules 100, And a solar photovoltaic unit 40 having the unit solar photovoltaic units 20 connected to the connection frame 30. The photovoltaic generation unit 40 and the connection unit 50 can be lifted or lowered along the edge of the solar power generation unit 40 installed on the water surface of the solar power generation unit 40, And a dummy buoyancy unit (60) which is installed so as to divide the solar power generation part (40) so as to be located inside.

The dummy buoyancy unit 60 is provided with a rope fixing part 70 for fixing the aquamolar photovoltaic device in combination with a rope 200 connected to an anchor block (not shown) installed in the water.

The water photovoltaic device 10 according to the present invention constructed as described above will be described in more detail as follows.

The unit solar photovoltaic portion 20 of the water-state photovoltaic power generation device 10 according to the present invention is connected to the unit solar photovoltaic portion 20 by a connection frame 30. The unit solar photovoltaic portion 20, And the first frame member 22 is provided with a plurality of the first buoyant bodies 21 described above. A second frame member (not shown) may be further provided between the first frame members 22 for maintaining the spacing between the first frame members 22 and for supporting the first buoyant body 21. The first frame members 22 are supported by the connection frames 30 arranged in a direction perpendicular to the longitudinal direction of the first frame members 22. The first frame member 22 or the connection frame 30 is provided with panel support frames 24 and the solar power generating modules 100 are mounted on the panel support frame 24 at predetermined angles Respectively. The panel support frame 24 may further include a separate frame installed in the first frame member 22 and the connection frame 30 according to the size of the solar power generation module 100.

The connection frame 30 'adjacent to the end of the connection frame 30 is rotated so as to be able to rotate (lift) between the connection frames 30 and 30' supporting the unit solar photovoltaic module 20 4 and a first hinge connection 35 as shown in FIG. The first hinge connection part 35 is provided at an end of each connection frame 30 and includes a first connection bracket 36 having a plate-like first connection part 36a, And a second connection bracket 37 having a plate-like second engagement portion 37a, which is provided at an end portion of the connection frame 30 ' And a first hinge shaft 38 for rotatably supporting the first and second coupling portions 36a and 37a. Here, a connection washer 30 connected to the first connection bracket 36 is provided with a spherical washer between the first and second coupling portions 36a and 37a coupled by the first hinge shaft 38, (2 to 5 degrees) of the connection frame 30 'connected to the second connection bracket 37. [0064] As described above, the connection of the connection frames 30 and 30 'by the first hinge connection part 35 is performed by the unit solar photovoltaic generation part 20' when the connection frames 30 and 30 ' And the connection frames 30 and 30 'provided with the connecting frames 30 and 30' are relatively rotatable according to waves or waves. In particular, when the water-state light-electricity generating device is supported on the bottom surface in the wet season, a concentrated load can be prevented from acting on a specific site. The first hinge connection part 35 is not limited to the above-described embodiment, but may be constructed so as to connect the connection frames in a rotatable manner.

The dummy buoyancy unit 60 is formed along the edge of the photovoltaic power generation unit 40 to divide the photovoltaic generation unit 40 from the outside on the water surface to reduce the influence of wind or waves A dummy frame member 61 which is located along the edge so as to be separated from the solar power generating unit 40 by a predetermined distance and divides the solar power generating unit 40 so as to be located inside the dummy frame member 61, And a second buoyant body 62 installed on the dummy frame member 61 to float the dummy frame member 61 on the water surface. The dummy frame member 61 may have a plurality of divided structures. It is preferable that the dummy frame member 61 has a strength higher than that of the connection frames 30 and 30 '.

6, the connecting unit 50 connecting the solar power generating unit 40 and the dummy buoyancy unit 60 is connected to the connecting frame 30 of the solar power generating unit 40, A dummy buoyancy unit 60 of a dummy buoyancy unit 60 installed in a direction perpendicular to the first frame member 30 and a dummy buoyancy member 61 which is arranged in a direction perpendicular to the first frame member 22, And first and second connection links 54 and 55 for connecting the dummy frame member 61 of the body unit 60 to each other.

The first connection link 54 connecting the dummy frame member 61 installed at right angles to the connection frame 30 is connected to the dummy frame member 61 by the hinge pin and the other end is connected to the connection frame 30 by a hinge pin. The second connection link 55 connecting the dummy frame member 61 provided to correspond to the first frame member 22 has one side connected to the first frame member 22 by a hinge pin, And is rotatably connected to the dummy frame member 61 by a hinge pin.

However, the connection between the dummy frame member 61 and the connection frame 30 or between the dummy frame member 61 and the first frame member 22 is not limited to the above embodiment, It is possible to connect the edge connecting frame 30 and the first frame member 22 and the dummy frame member 61 to each other so as to be rotatable, ie, vertically movable relative to each other.

When the photovoltaic generation unit 40 has a rectangular shape, it is preferable that the dummy frame member 61 is formed so that four pieces of the dummy frame member 61 can be formed independently from each other. However, it is not limited thereto.

7, the rope fixing portions 70 are provided on the dummy frame member 61 to fix the position of the aquamarine solar power generator, and are provided at predetermined intervals in the dummy frame member 61 And has a fixing bracket 71.

The fixing bracket 71 has a fixing part 72 on which an end of a rope or a chain is fixed. The fixing bracket 71 is provided with a support portion 74 for supporting the rope or the chain. This supporting portion 74 is provided with a supporting plate 75 which is vertically erected and which is provided with a through hole or a rope flow support portion 75a are formed.

On both sides of the fixed plate 71, a reinforcing frame for increasing the fixing force may be provided.

8 shows another embodiment of the rope fixing portion. The same reference numerals as those in the embodiment of the rope fixing portion indicate the same components.

The rope fixing portion 85 can be installed on the auxiliary dummy buoyancy unit 80 hinged to the dummy frame member 61. The auxiliary dummy buoyancy unit 80 is mounted on the dummy frame member 61 61, an auxiliary dummy frame 81 is rotatably installed, and an auxiliary buoyant body 82 is provided on the lower side of the auxiliary dummy frame 81. [ On the end side of the auxiliary dummy frame 81, a rope fixing portion 70 as described above is provided. The rope fixing portion 70 is provided with a fixing bracket 71 on the auxiliary dummy frame 81 and a supporting plate 75 on which a support portion 74 for supporting the rope or the chain is formed is installed on the fixing bracket 71 do. The support plate 75 may be vertically erected and the support 74 formed on the support plate 75 may have a through hole passing through the support plate 75 or a lead-in groove having an open top.

The dummy frame member 61 and the auxiliary dummy frame 81 may be connected by a hinge pin and the auxiliary dummy frame 81 is installed to be rotatable in a direction perpendicular to the longitudinal direction of the dummy frame member 61 desirable. The other end of the cable or chain provided in the rope fixing portion 80 is connected to a weight member or an anchor member provided on the bottom surface of the lake or the river where the solar power generator is installed.

A passage 90 for moving the manager is formed between the upper surface of the dummy frame member 61 and the unit solar power generating unit 20. The passage 90 is formed by a plate- As shown in FIG.

The operation of the water-state photovoltaic apparatus according to the present invention constructed as described above will be described below.

The solar photovoltaic device 10 according to the present invention is mounted on the water surface of a lake, a river or the sea, that is, the solar power generating part 40 is located at the center, and the dummy buoyancy unit 60 Respectively. As shown in FIGS. 1 to 3, the rope fixing unit 70 installed on the dummy buoyancy unit 60 at the installation position of the photovoltaic power generation apparatus 10 has a rope 200 supported on an anchor The ends are fixed.

 In this state, when waves or waves are generated on the water surface due to strong winds, the waves hit the dummy buoyancy unit 60 of the aquamarine photovoltaic power generation apparatus and are attenuated, so that the solar power generation unit 40, It does not have a direct influence on the environment. Therefore, it is possible to prevent the solar power generating unit 40 including the unit tang light power generating unit 20 from swinging. And may be the effect or the wind of moving along the surface of the water.

When the elevation of the water level of the river or lake where the aquatic photovoltaic power generating apparatus 10 is installed or the elevation of the water level due to installation at the sea is increased, the dummy buoyancy unit 60) is first immersed in water. The dummy buoyancy unit 60 is connected to the photovoltaic generation unit 40 by the connection links 54 and 55 which are the connection units 50 and lifts the edge of the solar power generation unit 40 . Therefore, even if the connection frames 30 and 30 'of the solar power generating unit 40 are installed relatively weakly, it can be prevented that the connection frames 30 and 30' are distorted by the supporting force of the rope 200.

Particularly, when the auxiliary dummy buoyancy unit 80 is installed as shown in FIG. 8, the auxiliary dummy buoyancy unit 80 and the dummy buoyancy unit 60 are locked step by step as the water level increases, Thereby maximizing the effect as shown in Fig.

The dummy buoyancy unit 70 and the photovoltaic power generation unit 40 are connected to the connection unit 50 even if they are not uniform on the floor surface, Since the connection frame 30 is connected by the hinge connection part 35, the connection frame 30 and the dummy frame member 61 of the solar power generation part are severely deformed Can be prevented.

As described above, since the dummy buoyancy unit (60) is installed around the solar power generation unit (40), the influence of the strong wind and the waves can be reduced, Distortion and shake of the negative frame can be reduced.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

Claims (6)

A plurality of unit solar photovoltaic units 20 installed with solar photovoltaic modules 100 and floated by the first buoyant bodies 21 and a plurality of unit solar photovoltaic units 20 connected to each other, A solar power generating part 40 including a connection frame 30, 30 ';
The photovoltaic generation unit 40 is installed along the edge of the solar photovoltaic generation unit 40 and installed to be able to ascend or descend by the photovoltaic power generation unit 40 and the connection unit 50, A dummy buoyancy unit (60) for dividing the dummy buoyancy unit (60) so as to be located inside;
A connection unit 50 connecting the solar power generator 40 and the dummy buoyancy unit 60; And
And a rope fixing part (70) installed on the dummy buoyancy unit body (60) to fix the position of the solar power generator,
The connection frame 30 and the adjacent connection frame 30 'are connected by the first hinge connection parts 35 so as to be rotatable with each other,
The first hinge connection part 35 includes a first connection bracket 36 having a first engagement part 36a provided at an end of the connection frame 30 and a second connection bracket 36 provided at an end of the adjacent connection frame 30 ' A second connection bracket 37 having a second coupling portion 37a and a first hinge shaft 38 for supporting the first and second coupling portions 36a and 37a so as to be rotatable,
The dummy buoyancy unit (60) includes a dummy frame member (61) which is located along the edge so as to be spaced apart from the solar power generating unit (40) by a predetermined distance and divides the solar power generating unit (40) And a second buoyant body (62) installed on the dummy frame members (61) to float the dummy frame member (61) on the water surface,
The connecting unit 50 includes first and second connecting parts 30 and 30 for rotatably connecting the connecting frame 30 of the solar power generating part 40 and the dummy frame member 61 of the dummy buoyancy unit 60 by hinge pins, Links 54 and 55,
The auxiliary dummy buoyancy unit (80) further includes an auxiliary dummy buoyancy unit (80) provided outside the dummy buoyancy unit (60) so that the auxiliary dummy buoyancy unit (80) and the dummy buoyancy unit In addition,
The auxiliary dummy buoyancy unit 80 includes an auxiliary dummy frame 81 rotatably installed on the dummy frame member 61 and an auxiliary buoyant body 82 installed on the lower side of the auxiliary dummy frame 81. [ And a photovoltaic power generating device for generating photovoltaic power. The method according to claim 1,
The unit solar photovoltaic generation unit 20 includes a first frame member 22 in the longitudinal direction, the first buoyancy members 21 provided in the first frame member 22, And a solar module (100) installed at an upper portion of the first frame member (22) by an installed panel support frame (24). delete The method according to claim 1,
The rope fixing portion 70 includes:
A fixing bracket 71 provided at a predetermined interval in the dummy frame member 61, a fixing portion 72 for supporting a rope or a chain provided on the upper surface of the fixing bracket 71, And a support portion (74) installed to support the rope or the chain.


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