KR20200120335A - Floating body having improved strength and using the same - Google Patents

Abstract

The present invention relates to a floating body with improved durability and a marine solar power generation apparatus using the same, and more specifically, to a floating body with improved durability and a marine solar power generation apparatus using the same, which are able to reduce friction resistance to water, and stand the load of a marine floating structure when coming in contact with a water bottom surface since the water level is lowered. According to the present invention, a floating fixing bar is inserted into and fixed to a main engagement groove extended from the floating body in a longitudinal direction, and a first unit frame is engaged with an upper end of the floating body in the direction of crossing the main engagement groove such that the floating body is firmly engaged and a stable buoyancy can be provided. In addition, according to the present invention, a load dispersion support unit is parallelly formed on a lower side of each floating body such that, when the water level decreases, the floating body can settle on the water bottom surface in a stable manner, thereby preventing the shape of the floating body from being dented or damaged and providing a uniform buoyancy when the water level goes back up.

Description

Floating body having improved strength and using the same, floating body having improved durability

The present invention relates to a floating body with improved durability and an aquatic photovoltaic device using the same, and in more detail, it is possible to reduce frictional resistance to water and the water level is lowered so that it can withstand the load of the floating structure when it comes into contact with the water bottom. It relates to an improved floating body and an onshore solar power generation device using the same.

In general, floating structures for various purposes such as artificial plant islands, floating solar power generation, and cage farms are installed on the water surface such as rivers, lakes, and seas. In particular, solar power generation devices installed on the water are gradually increasing because they can solve problems such as indiscriminate development of land and environmental pollution that occur when installing a land photovoltaic device installed on farmland or forest.

Such floating structures are generally equipped with various types of frames and scaffolds to suit the floating body providing buoyancy and the structure to be installed on the floating body. Mainly in shallow coastal areas, reservoirs, and lakes to increase accessibility from land. It is installed on the back.

However, in these areas, the water level is frequently changed due to differences in tidal tide, water supply during the busy season, water discharge from the dam according to the seasonal environment, drought, etc., and in some cases, floating bodies of floating structures may come into contact with the water bottom.

When the floating body of the floating structure comes into contact with the water bottom, the load of the floating structure is concentrated on the floating body, and there is a problem that the shape is distorted or damaged. In addition, since floating structures installed on the shore are affected by currents, a floating body having strength considering this should be considered.

In particular, in the case of a floating photovoltaic device capable of rotating in response to the position of the sun, a floating body having a higher mechanical strength is required because it is more affected by currents.

Republic of Korea Patent Publication No. 10-2017-0109811: Water photovoltaic mooring device and rotating device

The present invention is to solve the above problems, the load of the floating structure is distributed when in contact with the water bottom, and the floating body with improved durability so that the shape is prevented from being distorted or damaged by the load, and a floating solar power generation device using the same Want to provide.

In addition, the present invention is to provide a floating body formed in a round shape to reduce resistance to the current, the fixing force to the floating solar power generation device is improved, and durability is improved.

The floating body with improved durability of the present invention for achieving the above object is a cylinder having a convex curved surface in a direction away from each other in the longitudinal direction so that a buoyancy space for providing buoyancy is formed therein, and resistance to water is reduced. It is formed in a shape, and when the water level is lowered so that the load of the floating structure is distributed and the shape is maintained, when the water level is lowered, the inlet is drawn upward at the center of the lower end and extends in the longitudinal direction to both sides in the width direction of the inlet It is characterized in that it includes a plurality of load distribution support portions each contacting the water bottom when the water level is lowered by extending parallel to each other.

The floating body with improved durability of the present invention may further include a plurality of reinforcing ribs protruding from the inner circumferential surface, extending in the longitudinal direction, and spaced apart from each other in the circumferential direction.

Each of the lower surfaces on the same line in a direction crossing the length direction of the load distribution support portion to reduce resistance to the current moving in a direction crossing the length direction of the load distribution support portion when floating on the water surface Each of the inlet is pulled upwards, but each side is opened in a direction crossing the longitudinal direction of the load distribution support in communication with the inlet, and moves in a direction crossing the longitudinal direction of the load distribution support or water flowing into the inlet. At least one resistance reducing groove through which water can pass is preferably formed, respectively.

The floating body with improved durability of the present invention may further include an auxiliary shape holding bar so as to penetrate the bottom surface of the main coupling groove and extend to contact the inner circumferential surface corresponding to the inlet portion to maintain the shape against the load of the floating structure. have.

In addition, the floating photovoltaic device of the present invention includes a photovoltaic module; A module support frame supporting the photovoltaic module; A support for rotatably supporting the module support frame; A base frame unit coupled to the post; A floating body having improved durability that is coupled to the base frame unit and installed on the water surface; It characterized in that it comprises at least one unit water solar power generation unit having a footrest installed to be supported on the base frame unit.

The durability-improved floating body is inserted downwardly at the top and extends in the longitudinal direction, and is formed to open both sides in the extended direction, so that the floating body fixing bar extending in the first direction is accommodated and coupled to the lower end of the base frame unit. A coupling groove; The first unit frame of the base frame unit, which is coupled to extend length in a direction crossing the first direction, is mounted on the upper end of the floating body fixing bar and is coupled downwardly at both upper ends in the width direction around the main coupling groove. It is preferable to include at least a pair of auxiliary coupling grooves each of which are inserted and are formed to have both sides open in a direction crossing the first direction.

The floating body fixing bar is extended longer than the floating body so that the plurality of floating bodies are coupled in the longitudinal direction, and a plurality of floating body fixing bars are provided at predetermined intervals apart from each other in a second direction crossing the first direction, and the first unit frame It is preferable that a plurality of the auxiliary coupling grooves of the plurality of floating bodies arranged in the first direction are coupled to each of the auxiliary coupling grooves and are provided with a plurality of spaced apart predetermined intervals in the first direction.

The base frame unit has a pair of second unit frames each extending in the first direction and supporting each of the plurality of first unit frames and supporting the scaffold extending in the first direction at an upper end, and the A plurality of first scaffolding support portions spaced from each other at predetermined intervals in the second direction so that the post is mounted on the upper end of the first unit frame and the module support frame is rotatably mounted to the post in an upward direction, It extends in the second direction and connects one end or the side of the other end of the first scaffold support portions facing each other, and is respectively seated on the upper end of the first unit frame parallel to the first unit frame and extending in the second direction. It is preferable to include a plurality of second scaffold support portions having a pair of third unit frames on which the scaffold is supported.

The unit water-based solar power generation unit is rotated horizontally with respect to the base frame unit to prevent safety accidents when transporting for installation on water and to reduce resistance of strong winds in the event of a typhoon. A rotation fixing unit may be further provided to fix the position or to fix the module support frame which is rotated obliquely with respect to the base frame to facilitate solar condensation of the photovoltaic module.

Each of the first to third unit frames is inserted in a direction facing each other in the width direction and is formed in a shape extending in the longitudinal direction, and is accommodated on one side facing the outside of the first to third unit frames. It may further include a connection unit for connection to the unit water solar power generation unit and the adjacent unit combined.

The connection unit includes a plurality of brackets each accommodated at one side of the first, second, or third unit frames of the unit water solar power generation device facing each other and having coupling grooves open in a direction facing each other, It is preferable to include a connecting member formed of an elastic material capable of cushioning an impact by being inserted into and coupled to the coupling grooves of the plurality of brackets facing each other on both sides.

In the floating body with improved durability according to the present invention and the floating photovoltaic device using the same, the floating body fixing bar is inserted and fixed in the main coupling groove extending in the longitudinal direction to the floating body, and the first unit frame crosses the main coupling groove. As it is coupled to the top of the floating body, the floating body is firmly coupled to provide stable buoyancy.

In addition, the floating body with improved durability according to the present invention and the floating photovoltaic device using the same have a cylindrical shape with a floating body formed in a round shape with convex on both sides, so that resistance to the current can be reduced, thereby improving durability. When ice pressure occurs due to the induction of pressure dispersion, stability can be ensured.

In particular, the floating body having improved durability of the present invention is formed in a round shape to facilitate dispersion of the current, so that the frictional resistance against the current generated when the rotatable floating solar power generation device rotates or the frictional resistance generated by the current is reduced. As can be expected, there is an advantage of high application efficiency because it is suitable for application to not only a fixed floating solar power generation device but also a rotary floating solar power generation device.

In addition, in the floating body with improved durability according to the present invention and the floating photovoltaic device using the same, the load distribution support portions are formed side by side under each floating body, so that when the water level is lowered, it can be stably seated on the water bottom. There is an advantage in that the shape of the fluid is prevented from being crushed or broken, and uniform buoyancy can be provided when the water level is raised again.

In addition, the floating photovoltaic device of the present invention can expand or reduce the number of units of water photovoltaic power generation units connected in the first direction or the second direction, so that various structures can be formed according to the floating area. There is an advantage of high efficiency.

1 is a perspective view of an floating solar power generation device according to a first embodiment of the present invention,
2 is a partially separated perspective view of the floating solar power generation device of FIG. 1,
3 is a perspective view of a floating body with improved strength of FIG. 1,
4 is a cross-sectional view of a floating body with improved strength of FIG. 1,
5 is a cross-sectional view of a floating body with improved durability according to a second embodiment of the present invention,
6 is a cross-sectional view of a floating body with improved durability according to a third embodiment of the present invention,
7 is a perspective view showing a state in which a floating body with improved durability according to a fourth embodiment of the present invention is turned over,
8 is a perspective view of a floating body with improved durability according to a fifth embodiment of the present invention,
9 is a cross-sectional view of a floating body with improved durability according to a sixth embodiment of the present invention,
10 is a cross-sectional view of a floating body with improved durability according to a seventh embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a floating body with improved durability of a preferred embodiment of the present invention and a floating solar power generation device using the same will be described in detail.

The floating photovoltaic device 1 according to the first embodiment of the present invention is connected for connection with one or more units of the floating photovoltaic power generation unit 5 and the adjacent other unit of the floating photovoltaic power generation unit 5 It has a unit (90).

The floating photovoltaic device 1 according to the first embodiment of the present invention is not specifically shown, but Korean Patent Publication Nos. 10-1617384, 10-1681640 or Published Patent Publication No. The rotating structure posted in No. 10-2019-0015075 may be further provided and installed rotatably, and a wire (not shown) extending from the land or a number of posts ( (Not shown) may be provided to be fixedly installed.

The unit floating photovoltaic power generation unit 5 includes a plurality of photovoltaic power generation modules 10; A module support frame 20 for supporting the photovoltaic module 10; Posts 31 for rotatably supporting the module support frame 20; A base frame unit 40 coupled with the holding 31; A floating body 80 having improved durability that is coupled to the base frame unit 40 and installed on the water surface; A footrest 36 installed to be supported on the base frame unit 40; It is provided with a rotation fixing unit (26).

The base frame unit 40 includes a plurality of first scaffold support portions 46 each having a plurality of floating body fixing bars 41, a plurality of first unit frames 44, and a pair of second unit frames 47, respectively. , And a plurality of second scaffold support portions 49 each having a pair of third unit frames 50.

The floating body fixing bar 41 has a shape of a square bar extending in the first direction, and a floating body 80 to be described later is coupled in the longitudinal direction. The plurality of floating body fixing bars 41 extend longer than the floating body 80 so that the plurality of floating bodies 80 are coupled in the longitudinal direction, and are spaced apart from each other at predetermined intervals in a second direction crossing the first direction. The floating body fixing bar 41 may have a'I'-shaped section steel different from that shown.

The plurality of first unit frames 44 extend parallel to each other in the second direction, respectively, and are spaced apart from each other at predetermined intervals in the first direction. The first unit frame 44 is coupled to the floating body fixing bar 41 and is coupled to the upper end of the floating body 80 to be described later in a direction orthogonal to the longitudinal direction of the floating body 80. The plurality of first unit frames 44 are coupled to a pair of auxiliary coupling grooves 84 formed in a plurality of floating bodies 80 to be described later arranged in a first direction, and are spaced apart from each other at predetermined intervals in the first direction.

The plurality of first scaffold support parts 46 extend in a first direction and are supported to cross each other by a plurality of first unit frames 44, and both sides of the scaffold 36 extending in the first direction are supported at the top. Each of the pair of spaced second unit frames 47 is provided. The plurality of first scaffolding support parts 46 is a module rotation space 6 in which a post 31 is mounted on the upper end of the first unit frame 44 and the module support frame 20 is rotatably mounted to the post 31 ) Are spaced apart from each other at regular intervals in the second direction to form.

The plurality of second scaffold support portions 49 extend in a second direction to connect one end or side portions of the other end of the first scaffold support portions 46 facing each other. The plurality of second scaffold support portions 49 are respectively seated on the upper ends of the first unit frames 44 located on the edge side of the first direction among the plurality of first unit frames 44 and extend in the second direction ( 36) is provided with a pair of third unit frames 50 supported.

Each of the first to third unit frames 44, 47, and 50 is formed of an'I' shaped steel that extends in the length direction with both sides of the width direction retracted to facilitate mutual coupling and coupling with the connection unit 90 to be described later. Is formed.

The first to third unit frames 44, 47, 50 are preferably made of a light weight, high strength, and non-corrosive glass fiber reinforced plastic (GFRP) material, but are coated with aluminum or stainless steel or a material that prevents corrosion. It may be formed of a metal material.

The scaffolding 36 is a plate shape and extends in length to a certain width that can be supported by a pair of second unit frames 47 spaced apart from each other or a pair of third unit frames 50 spaced apart from each other. It is preferable that the scaffold 36 has a plurality of through-holes for drainage and anti-slip. The length of the scaffold 36 may be formed to correspond to the length of the second unit frame 47 or may be extended by a distance formed by a plurality of second scaffold support portions 49 spaced apart from each other in the second direction.

The plurality of struts 31 extend upward from the top of the first unit frames 44 positioned between the second scaffold support portions 49 spaced apart from each other in the first direction, and a hinge coupling portion 32 at each top thereof Is formed.

The module support frame 20 extends in a first direction and is spaced apart from each other, a plurality of first support frames 21, and is extended in a first direction to each one side and each other side of the plurality of first support frames 21. A plurality of first support frames 21 that are supported and spaced apart from each other are connected to each other, and a plurality of second support frames 22 that are spaced apart from each other in a first direction are provided.

The plurality of first support frames 21 are rotatably coupled to the hinge coupling portion 32 of the post 31 at the center side.

A plurality of photovoltaic modules 10 are supported by a plurality of second support frames 22 and are arranged in a first direction.

The first and second support frames 21 and 22 may be formed in a square bar shape, or a general'C'-shaped section steel may be applied. The first and second support frames 21 and 22 are preferably made of light weight, high strength, and non-corrosive glass fiber reinforced plastic (GFRP), but aluminum or stainless steel or metal coated with a material that prevents corrosion It can also be formed of a material.

The rotation fixing unit 26 has a module support frame (10) horizontally with respect to the base frame unit 40 so as to prevent safety accidents when transporting for installation on water and to reduce the resistance of strong winds in the event of a typhoon. The rotated position of 20) is fixed, or the module support frame 20 rotated obliquely with respect to the base frame 40 is fixed to facilitate the condensing of sunlight of the photovoltaic module 10.

The rotation fixing unit 26 has a fixing pin 27 penetrating the lower part of the post 31 in the first direction, and one end is rotatably coupled to one side of the main rotation frame 23, and the fixing pin 27 on the other side. Each of the plurality of fixing holes 29 and 30 spaced apart from each other in the longitudinal direction is formed and includes an inclination adjustment bar 28 for adjusting the inclination angle of the module support frame 20.

The plurality of fixing holes are horizontal fixing holes 29 formed through the end side of the inclination adjustment bar 28 so that the module support frame 20 is fixed horizontally with respect to the base frame unit 40, and the module support frame 20 It is divided into an inclined fixing hole 30 which is formed through the inside of the inclined adjustment bar 28 so as to be fixed inclined with respect to the base frame unit 40 and spaced apart from the horizontal fixing hole 29.

On the other hand, the floating body 80 has a buoyancy space 81 for providing buoyancy therein, and is formed in a cylindrical shape having a convex curved surface in a direction away from each other in the longitudinal direction so as to reduce resistance to water.

The floating body 80 is not limited as long as it is a structure capable of providing buoyancy, but it is preferable that adherent organisms such as shellfish do not adhere to the outer circumferential surface and are formed of a high-density polyethylene (HDPE) material having excellent mechanical strength.

The floating body 80 is drawn downward to the upper center side and extends in the longitudinal direction and is formed to open both sides in the extended direction, so that the floating body fixing bar 41 is received and coupled to the main coupling groove 83, and the first The unit frame 44 is inserted downwardly at the top of both sides in the width direction around the main coupling groove 81 so that the unit frame 44 is seated to be extended in the direction crossing the floating body fixing bar 41 to be coupled, but intersecting in the first direction. At least a pair of auxiliary coupling grooves 84 formed to be open on both sides in the direction are formed.

Referring to FIG. 3, a pair of auxiliary coupling grooves 84 are formed at both ends of the floating body 80 in the center side and in the longitudinal direction, respectively. However, unlike shown, it may be formed only on the center side of the floating body 80, or only two may be formed on both sides of the floating body in the longitudinal direction.

At the bottom of the main coupling groove 83, a first fixing bolt 76 passing through the floating body fixing bar 41 for coupling with the floating body fixing bar 41 is screwed into a plurality of first fixing nuts 77, respectively. ) Is inserted to open upwards. The plurality of first fixing nuts 77 are inserted at positions spaced apart from each other at predetermined intervals in the longitudinal direction of the main coupling groove 83.

In addition, a second fixing bolt 78 penetrating the horizontally extended lower portion of the first unit frame 44 for coupling the'I'-shaped first unit frame 44 at the bottom of the auxiliary coupling groove 84 A plurality of second fixing nuts 79, each of which is screwed, are inserted to be opened upward. The plurality of second fixing nuts 79 may be coupled with a plurality of second fixing bolts 78 that are spaced apart in the first direction on both sides of the horizontally extending lower portion of the first unit frame 44 in the width direction. It is spaced apart from each other in the longitudinal direction of the floating body 80 so that it is arranged in a square shape.

In addition, the floating body 80 has a lower water level, so that the load is distributed when contacting the water bottom surface, and the shape is maintained, and a lead-in portion 87 is formed upwardly and extends in the longitudinal direction at the center of the lower end. ) Are provided with a plurality of load distribution support portions 88 extending parallel to each other in the width direction of each other and contacting the water bottom surface respectively.

The plurality of load distribution support portions 88 are each drawn upward from each lower surface of the same line in a direction crossing the length direction of the load distribution support portion 88, but the length of the load distribution support portion 88 so as to communicate with the lead portion 87 Resistance reducing grooves 89 with both sides open respectively in a direction crossing the direction are respectively formed.

The resistance reducing groove 89 is capable of passing water flowing into the inlet 87 or water moving in a direction crossing the longitudinal direction of the load distribution support unit 88, so that the load when the floating body 80 is floating on the water surface. It induces a decrease in resistance to currents moving in a direction crossing the longitudinal direction of the dispersion support part 88.

The floating body 80 according to the present invention is formed in a round shape to facilitate dispersion of the current, thereby reducing the frictional resistance against the current or the frictional resistance generated by the current when the rotatable floating solar power generation device rotates. As can be expected, there is an advantage of high application efficiency because it is suitable for application to not only a fixed floating solar power generation device but also a rotary floating solar power generation device. In addition, since the floating body 80 is formed in a round shape, since pressure dispersion is induced when ice pressure occurs due to inflow, stability can be ensured.

In addition, the floating body 80 according to the present invention can be stably fixed to a floating floating structure that rotates, such as a rotary floating photovoltaic device, since the main coupling groove 83 formed therein is inserted and opened in the longitudinal direction. .

On the other hand, the connection unit 90 is accommodated and coupled to one side of the first unit frame 44, the second unit frame 47 or the third unit frame 49 facing outward, and is adjacent to the unit water solar power generation unit ( Connect 5).

The connection unit 90 is accommodated on one side of the first, second, or third unit frames 44, 47, 49 of the unit water solar power unit 5 facing each other, and is opened in a direction facing each other. And an elastic material that is inserted into and coupled to the coupling grooves 92 of the plurality of brackets 91 and the plurality of brackets 91 facing each other and having both sides of the open coupling groove 92 It has a connecting member 93 formed of.

Further, the connection unit 90 includes a first connection bolt 95 penetrating through the bracket 91 and the connection member 93, a first connection nut (not shown) for restraining the first connection bolt 95, A second connection bolt 97 penetrating the first, second, or third unit frames 44, 47, 49 and the bracket 91, and a second connection nut 98 for restraining the second connection bolt 97 ).

As described above, the floating photovoltaic device 1 according to the present invention can expand or reduce the number of units of the unit floating photovoltaic power generation units 5 connected in the first direction or the second direction, Accordingly, it is possible to form a variety of structures, so there is an advantage of high installation efficiency.

In addition, in the floating photovoltaic device 1 according to the present invention, the floating body fixing bar 41 is inserted and fixed in the main coupling groove extending in the longitudinal direction to the floating body 80, and the first unit frame is the main coupling groove. Since the floating body 80 is coupled to the upper end of the floating body 80 in a direction crossing to, the floating body 80 is firmly coupled to provide a stable buoyancy. In addition, since the floating body 80 is formed in a cylindrical shape with a convex round shape on both sides of the floating photovoltaic device 1 according to the present invention, resistance to the current can be reduced, thereby improving durability.

In addition, since the floating photovoltaic device 1 according to the present invention has a load distribution support part 88 formed side by side under each floating body 80, it can be stably seated on the water bottom when the water level is lowered, There is an advantage in that the shape of the floating body 80 is prevented from being crushed or damaged, and uniform buoyancy can be provided when the water level rises again.

Meanwhile, in FIG. 5, a floating body 180 with improved durability according to a second embodiment of the present invention is shown. Components having the same function as in the drawings shown above are denoted by the same reference numerals.

The floating body 180 with improved durability according to the second embodiment of the present invention protrudes from the inner circumferential surface to the structure of the floating body 80 with improved durability according to the first embodiment of the present invention and extends in the longitudinal direction. A plurality of reinforcing ribs 185 spaced apart from each other are further provided.

The plurality of reinforcing ribs 185 are shown to have a narrower width toward the end in the protruding direction, but may protrude to the same width differently as shown.

In the floating body 180 having improved durability according to the second embodiment of the present invention, since the stress against external impact or load is reinforced by a plurality of reinforcing ribs 185, durability may be further improved.

Meanwhile, FIG. 6 shows a floating body 280 having improved durability according to a third embodiment of the present invention.

The floating body 280 with improved durability according to the third embodiment of the present invention is inserted through the bottom of the main coupling groove 83 to the structure of the floating body 80 with improved durability according to the first embodiment of the present invention. It further includes an auxiliary shape holding bar 285 extending so as to contact the inner peripheral surface corresponding to the portion 87.

The auxiliary shape holding bar 285 reinforces the stress against the load of the floating structure so that the shape of the floating body 80 is maintained. The auxiliary shape holding bar 285 may be formed of a HDPE material having the same strength as the floating body 80, or may be formed of aluminum, stainless steel, or a metal material treated to prevent corrosion.

The auxiliary shape holding bar 285 may be integrally formed with the upper body or the lower body forming the floating body 80 by mating with each other, although not specifically shown during injection molding of the floating body 80, or, It is formed in the shape of a bolt and is coupled through the main coupling groove 83 of the floating body 80 so as to be able to contact the inner circumferential surface corresponding to the inlet 87.

The durability of the floating body 280 having improved durability according to the third embodiment of the present invention is reinforced with the resistance to the load of the floating structure transmitted downward by the auxiliary shape holding bar 285, so that durability can be further improved. .

Meanwhile, FIG. 7 shows a floating body 380 with improved durability according to a fourth embodiment of the present invention.

The floating body 380 with improved durability according to the fourth embodiment of the present invention further includes a resistance dispersion rib 385 in the structure of the floating body 80 with improved durability according to the first embodiment of the present invention.

As shown in FIG. 7, the resistance dispersion rib 385 protrudes downward from the center of the upper end of the inlet 87 and extends in the longitudinal direction of the inlet 87 to absorb water flowing into the inlet 87. Disperse.

The resistance dispersion rib 385 is formed in a streamline shape with a width at the center side larger than both ends to prevent the formation of eddy currents in the inlet 87 to induce a decrease in resistance to water, thereby reducing the impact transmitted to the floating body 80. Induces a decrease.

In the floating body 380 having improved durability according to the fourth embodiment of the present invention, the water flowing into the inlet 80 is dispersed by the resistance dispersing rib 385 and the formation of eddy currents is prevented, so that shock and vibration can be reduced. have.

Meanwhile, FIG. 8 shows a floating body 480 with improved durability according to a fifth embodiment of the present invention.

Components having the same function as in the drawings shown above are denoted by the same reference numerals.

The floating body 480 includes an upper body 82 and a lower body 86 that are molded together and heat-sealed, and a reinforcing means.

The upper body 82 is formed in a semi-cylindrical shape having an inner space opened downward and a main coupling groove () and an auxiliary coupling groove are formed at the top. The upper body 82 is convex in a direction away from each other in the longitudinal direction, but is formed such that the degree of convexity increases from the top to the bottom.

The lower body 86 is formed in a semi-cylindrical shape with an inlet 87 and a plurality of load distribution support parts 88 formed at the lower part and has an internal space open upward, and is combined with the upper body 82 to provide a buoyancy space. Form 81. The lower body 86 is convex in a direction away from each other in the longitudinal direction, but the convexity decreases from the top to the bottom.

The reinforcing means is accommodated in the buoyancy space 81, connects the center of the upper body 82 and the lower body 86, and buffers the shock transmitted in the vertical direction, or to a floating structure such as a floating photovoltaic device (5). Auxiliary support for the load.

The reinforcing means includes a plurality of upper constraining ribs 510, a plurality of lower constraining ribs 516 and a reinforcing member 520.

The plurality of upper constraining ribs 510 protrude downward at a position spaced apart from each other in the width direction of the main coupling groove 83 on the inner circumferential surface corresponding to the main coupling groove 83 of the upper body 82, respectively, and the main coupling groove ( 83) extending parallel to each other in the longitudinal direction to form a first constraining groove 511 that is open downward between the spaced apart from each other.

The plurality of lower constraining ribs 516 protrude upward at positions corresponding to the plurality of upper constraining ribs 510 on the inner circumferential surface corresponding to the inlet 87 of the lower body 86, and in the longitudinal direction of the inlet 87 It is extended in parallel with each other and is opened upwardly while spaced apart from each other to form a second confinement groove 517 facing the first confinement groove 511.

The reinforcing member 520 has a width in the vertical direction and is formed in a plate shape extending in the longitudinal direction of the first constraining groove 511 and the second constraining groove 517.

Referring to FIG. 7, the reinforcing member 520 includes a first coupling rib 521 inserted and fixed in the first restriction groove 511 and a second coupling rib 523 inserted and fixed in the second restriction groove 517. Wow, by connecting the first coupling rib 521 and the second coupling rib 523 to support the load of the floating structure, the groove 526 is formed in the vertical direction so that the shock transmitted in the vertical direction can be buffered. It has a part 525.

The floating body 480 having improved durability according to the fifth embodiment of the present invention can buffer the impact transmitted in the vertical direction by the groove 526 formed in the reinforcing member 520, while the load on the floating structure is Since it is supported, the durability can be further improved.

Meanwhile, in FIG. 9, a floating body 580 having improved durability according to a sixth embodiment of the present invention is shown.

The floating body 580 having improved durability according to the sixth embodiment of the present invention is a resistance-distributing rib 385 of the fourth embodiment of the present invention in the structure of the floating body 480 having improved durability according to the fourth embodiment of the present invention. ), and a plurality of moving guide ribs 585 are further provided.

The plurality of movement guide ribs 585 protrude from the outer circumferential surfaces of both sides of the floating body 580 in the width direction and extend in the longitudinal direction of the inlet 87 to induce the current to move in the longitudinal direction of the outer circumferential surface.

It is preferable that the moving guide rib 585 protrudes downward inclined to prevent attachment of attached organisms such as shellfish, and is formed to have a convex curved end surface.

In the floating body 580 having improved durability according to the sixth embodiment of the present invention, since a plurality of moving guide ribs 585 are formed on the outer circumferential surface, the current is induced to become laminar, so that resistance to the current may be reduced.

Meanwhile, in FIG. 10, a floating body 680 according to a seventh embodiment of the present invention is shown.

In the floating body 680 according to the seventh embodiment of the present invention, the main coupling groove 83 is inserted by the thickness of the sum of the floating body fixing bar 41 and the first unit frame 44, and the auxiliary coupling groove 84 It is the same as the structure of the floating body 80 according to the first embodiment of the present invention, except that) is inserted by the thickness of the first unit frame 44.

The floating body 680 according to the seventh embodiment of the present invention can be stably fixed to the floating body structure because not only the floating body fixing bar 41 but also the first unit frame 44 is inserted and fixed.

In the above, the floating body with improved durability according to the present invention and the floating photovoltaic device using the same have been described with reference to an example shown in the drawings, but this is only exemplary, and a person with common knowledge in the art From this, it will be understood that various modifications and other equivalent embodiments are possible. Therefore, the scope of the true technical protection of the present invention should be determined by the technical spirit of the claims.

1: water photovoltaic power generation device 5: unit water photovoltaic power generation unit
6: module rotation space 10: photovoltaic module
20: module support frame 26: rotation fixing unit
31: support 36: footrest
40: base frame unit 41: floating body fixing bar
44: first unit frame 46: first scaffold support
47: second unit frame 49: second scaffold support
50: third unit frame 80: floating body
81: buoyancy space 83: main coupling groove
84: auxiliary coupling groove 87: inlet
88: load distribution support part 89: resistance reduction groove
90: connection unit

Claims (13)

A buoyancy space for providing buoyancy is formed inside, and it is formed in a cylindrical shape with a convex curved surface in a direction away from each other in the longitudinal direction so as to reduce resistance to water.
When the water level is lowered and contact with the water bottom, the load of the floating structure is distributed and the shape is maintained. When the water level is lowered, the floating body having improved durability, characterized in that it comprises a plurality of load distribution support portions each contacting the water bottom surface. The floating body of claim 1, further comprising a plurality of reinforcing ribs protruding from the inner circumferential surface, extending in the longitudinal direction, and spaced apart from each other in the circumferential direction. The method of claim 1, wherein the plurality of load distribution support units
When floating on the water, each of the lower surfaces of the same line in the direction crossing the length direction of the load distribution support portion is drawn upward so that resistance to the current moving in the direction crossing the length direction of the load distribution support portion is reduced. At least one of the at least one open side in a direction intersecting the longitudinal direction of the load distribution support portion so as to communicate with the lead-in portion, allowing water flowing into the inlet portion or water moving in a direction crossing the longitudinal direction of the load distribution support portion to pass A floating body with improved durability, characterized in that each resistance reducing groove is formed. The method of claim 1,
It has a main coupling groove which is inserted downwardly at the top and extends in the longitudinal direction, and is formed to open both sides in the extended direction so that the floating body fixing bar extending in the first direction of the floating structure is accommodated and coupled in the longitudinal direction. A floating body having improved durability, characterized in that. The method of claim 4, further comprising an auxiliary shape holding bar extending through the bottom surface of the main coupling groove to contact an inner circumferential surface corresponding to the inlet to maintain the shape against the load of the floating structure. Floating body with improved durability. The method of claim 1,
It protrudes downward from the center of the upper end of the inlet and extends in the longitudinal direction of the inlet to disperse water flowing into the inlet, and is formed in a streamline shape with a width at the center side larger than both ends to prevent vortex formation in the inlet Thus, a floating body with improved durability, characterized in that further comprising a resistance dispersion rib for inducing a decrease in resistance to water. The method of claim 1,
The main coupling groove is formed in the upper part and the upper body having an inner space open downward, the inlet part and the plurality of load distribution support parts are formed in the lower part, the upper body has an inner space open upward, and the upper body Further provided with a lower body forming a buoyancy space, and a reinforcing means accommodated in the buoyancy space to connect the upper body and the lower body to buffer an impact transmitted in the vertical direction or to support a load on the floating structure And
The reinforcing means
Each of the upper body protrudes downward from an inner circumferential surface corresponding to the main coupling groove in the width direction of the main coupling groove and extends parallel to each other in the longitudinal direction of the main coupling groove to be spaced apart from each other downward. A plurality of upper restraining ribs forming a first restraining groove opened by
It protrudes upward at a position corresponding to the plurality of upper constraining ribs on an inner circumferential surface corresponding to the inlet of the lower body, extends parallel to each other in the longitudinal direction of the inlet, and opens upwardly between spaced apart from each other. A plurality of lower constraining ribs forming a second constraining groove facing the constraining groove,
It has a width in the vertical direction and is formed in a plate shape extending in the longitudinal direction of the first constraining groove and the second constraining groove, and is inserted and fixed in the first coupling portion and the second constraining groove inserted and fixed in the first constraining groove A reinforcing member having a second coupling portion that is connected to the first and second coupling portions to support the load of the floating structure and having an impact buffer portion formed with grooves in the vertical direction to buffer the shock transmitted in the vertical direction. A floating body having improved durability, characterized in that provided. The method of claim 1,
Further provided with a plurality of movement guide ribs each protruding from the outer circumferential surfaces of both sides in the width direction and extending in the longitudinal direction of the inlet portion to move the current in the longitudinal direction to induce laminar flow,
The moving guide drive is
A floating body with improved durability, characterized in that it protrudes downward inclined to prevent attachment of attached organisms and has a convex curved end portion. A photovoltaic module; A module support frame supporting the photovoltaic module; A support for rotatably supporting the module support frame; A base frame unit coupled to the post; A floating body having improved durability that is coupled to the base frame unit and installed on the water surface; It comprises at least one unit water solar power generation unit having a footrest installed to be supported on the base frame unit,
The floating body with improved durability
A buoyancy space for providing buoyancy is formed inside, and it is formed in a cylindrical shape with a convex curved surface in a direction away from each other in the longitudinal direction so as to reduce resistance to water.
When the water level is lowered, the load is distributed and the shape is maintained when contacting the bottom of the bottom. Floating solar power generation apparatus comprising a plurality of load distribution support portions in contact. The method of claim 9, wherein the durability is improved floating body
A main coupling groove which is inserted downwardly at the top and extends in a longitudinal direction, and is formed to open both sides in the extended direction so that the floating body fixing bar extending in the first direction is accommodated and coupled to the lower end of the base frame unit;
The first unit frame of the base frame unit, which is coupled to extend length in a direction crossing the first direction, is mounted on the upper end of the floating body fixing bar and is coupled downwardly at both upper ends in the width direction around the main coupling groove. And at least a pair of auxiliary coupling grooves each of which is inserted and has both sides open in a direction crossing the first direction. The method of claim 10, wherein the floating body fixing bar
A plurality of the floating bodies are extended longer than the floating bodies so that they are coupled in the longitudinal direction, and a plurality of the floating bodies are provided to be spaced apart from each other at predetermined intervals in a second direction crossing the first direction,
The first unit frame is
A plurality of the auxiliary coupling grooves of the plurality of floating bodies arranged in the first direction are coupled to each of the auxiliary coupling grooves, and are provided with a plurality of spaced apart predetermined intervals in the first direction,
The base frame unit
Each of a pair of second unit frames extending lengthwise in the first direction and supported by the plurality of first unit frames, respectively, and supporting the scaffold extending in the first direction at an upper end thereof, and an upper end of the first unit frame A plurality of first scaffold support portions spaced from each other at predetermined intervals in the second direction to form a module rotation space in which the post is mounted and the module support frame is rotatably mounted on the post,
It extends in the second direction and connects one end or the side of the other end of the first scaffold support portions facing each other, and is respectively seated on the upper end of the first unit frame parallel to the first unit frame and extending in the second direction. An on-water photovoltaic device comprising a plurality of second scaffold support portions having a pair of third unit frames on which the scaffold is supported. The method of claim 9, wherein the unit water solar power generation unit
In order to prevent safety accidents during transportation for installation on water and to reduce the resistance of strong winds in the event of a typhoon, the solar power generation module fixes the pivoted position of the module support frame horizontally with respect to the base frame unit, or An aquatic solar power generation apparatus, characterized in that it further comprises a rotation fixing unit for fixing the module support frame tilted with respect to the base frame to facilitate solar condensing of the power generation module. The method of claim 11, wherein the first to third unit frames are
Each side portion in the width direction is drawn in in a direction facing each other and is formed in a shape extending in the length direction,
A connection unit for receiving and coupling to one side facing the outside of the first to third unit frames to be connected to the adjacent unit water solar power generation unit; further comprising,
The connection unit
A plurality of brackets each accommodated at one side of the first, second, or third unit frames of the unit water solar power generation device facing each other and having coupling grooves open in a direction facing each other;
An aquatic photovoltaic device comprising a connecting member formed of an elastic material capable of cushioning an impact by being inserted into and coupled to the coupling grooves of the plurality of brackets facing each other on both sides.

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