KR101996033B1 - Waterlevel interlocking type mooring device for floating photovoltaic power plant - Google Patents

Abstract

The present invention relates to a water level-linked floating solar mooring device which can prevent oxidation of a mooring rope made of a polypropylene (PP) material by allowing the mooring rope not to be exposed to the surface of the water, and can expose photovoltaic power generation equipment to the surface of the water in association with a change in water level and support the same such that the photovoltaic power generation equipment is not out of an installation area or does not rotate. Specifically, the water level-linked floating solar mooring device comprises: a seating base having at least one solar module seated thereon; at least one buoyant body mounted below the seating base and positioning the seating base on the top of the surface of the water while being lifted in association with a change in water level; and a connection portion mounted on a side of a selected buoyant body to be positioned in the water and including a mooring rope made of a PP material, which has one end and the other end fixed to the ground of the water, and a plurality of weights mounted on the other end thereof to transmit a constant tensile force to the buoyant body, and supporting the seating base not to depart from an installation area.

Description

Waterlevel interlocking type mooring device for floating photovoltaic power plant}

The present invention prevents the mooring ropes from being exposed to the upper part of the water by preventing the mooring rope of the PP (polypropylene) material, while exposing the solar installation to the upper part of the water in conjunction with the water level change and moving out of the installation area or rotating. It relates to a water level interlocking water photovoltaic mooring device that does not support.

In general, photovoltaic power generation (PV) equipment that converts light energy into electrical energy using solar cells (solar modules) is a pollution-free energy source that does not cause greenhouse gas emissions, noise, or environmental damage.

Since photovoltaic power generation can be self-procured without relying on imports of fossil fuels, it is advantageous in terms of energy security. Therefore, environmental problems faced by humankind, such as CO2 reduction and sustainable renewable energy, which can replace fossil fuels Various studies are underway.

In particular, unlike the wind and tidal power generation, which has a difficult location among renewable energy, solar power generation can be installed regardless of the region and size, and the maintenance cost is very low.

However, photovoltaic power generation requires a certain area to collect sunlight, so when building photovoltaic power on the ground, additional solar modules must be installed in buildings, etc. As the generation efficiency per area is lower than other renewable energy, a large area is required to obtain the required generation amount.

Therefore, in order to solve the problem of the area-intensive photovoltaic industry in a narrow country, a floating floating photovoltaic construction method is being implemented to install a solar module on the water surface.

Floating floating solar power is to install solar modules on the surface by using idle water such as lakes, dams, reservoirs, and the sea as resources. The mooring device is essentially installed in order to secure it.

The mooring device applied to the water floating solar power plant automatically fixes the water floating solar power facilities by interlocking with the water level change. In the case of the mooring rope, which is one component of the mooring device, the chain, PP rope, wire rope, etc. It is used.

Among them, chains and wire ropes are more durable at the top of the surface of the water, but less durable due to corrosion problems.

PP ropes, on the other hand, are more durable under water, but less durable due to sun-dried phenomena at the top.

In other words, PP rope does not absorb moisture, so it does not rot easily and has strong shock absorption and abrasion resistance.However, if it is exposed to sunlight for a long time, flakes caused by oxidation are generated. There is a problem that the maintenance cost is increased accordingly.

Republic of Korea Patent No. 10-1774008 (announced on September 1, 2017)

Therefore, an object of the present invention is to solve the problem of oxidation and life shortening by exposure to sunlight by submerging the whole part of the PP rope in water while using the rope of PP (polypropylene) material which is superior in the cost of mooring rope. It is to provide a water level linked type solar photovoltaic mooring device capable of lifting a PP rope.

As a means for solving the above-mentioned problems, the water level interlocking water solar mooring apparatus of the present invention, the mounting table on which one or more solar modules are mounted; At least one buoyant body mounted below the seating board and positioned to seat the seating board at the top of the water while being lifted in association with a change in water level; And a mooring rope of PP (polypropylene) material, which is mounted so as to be underwater in the side of the selected buoyancy body, one end and the other end of which are fixed to the ground of the water and a plurality of weights are attached to the other end to transmit a constant tensile force to the buoyancy body. It characterized in that it comprises a; connecting portion for supporting so that the seating board does not leave the installation area.

As one example, the connection portion, a pair of side plates mounted to be submerged in the water on the side of the selected buoyancy body and spaced apart at regular intervals; A first pulley mounted on an upper portion of a space formed between the pair of side plates, the mooring rope rotating to automatically move up and down in response to a change in water level, and transmitting a tensile force of the mooring rope to a buoyancy body; And a mooring rope mounted at a lower portion of the space formed between the pair of side plates and contacting one side of the mooring rope toward the first pulley in water and the other side of the mooring rope through the first pulley toward water. And a pair of second pulleys each of which induces a direction of the;

As one example, the connecting portion is mounted to the lower portion of each of the pair of second pulleys in a space formed between the pair of side plates and passes through one side of the mooring rope toward the first pulley and the first pulley. It is characterized in that it further comprises; guide pipes for allowing the other side of the mooring rope toward the water respectively.

As an example, the connecting portion seals a space formed between the pair of side plates, and faces one side of the mooring rope facing the first pulley and the other side of the mooring rope facing the water through the first pulley. It is characterized in that it further comprises a casing;

As an example, the pair of second pulleys are fastened to the long shafts formed in the side plates along the mutually facing directions so that the pair of second pulleys are movable along the long holes, and the connection portion of the pair of second pulleys It is characterized in that it further comprises; a tension spring mounted to the side plate to impart a constant tensile or compressive force to each fastening shaft.

As one example, between the connection portion and the buoyancy body is mounted in the vertical direction from the top of the water surface to a certain depth in the water to connect the connection portion to the buoyancy body, a plurality of flow holes and a selected one formed at regular intervals along the vertical direction And a lifting rail including a fixing pin coupled to the flow hole, wherein the connection part includes a fixing hole corresponding to the diameter of the flow hole on one side of the lifting rail, and fixed to the selected one of the flow holes. It is characterized by being pinned and fixed through pins.

As an example, the lifting device which is detached and attached to the upper end of the lifting rail and connected to the upper end of the connecting part through a lifting rope and selectively lifts the connecting part to the upper surface according to the external power is applied. It is characteristic.

By the above-mentioned solution, the water level interlocking type solar photovoltaic mooring apparatus of the present invention is exposed to sunlight by immersing the entire area of the PP rope in water while using a rope made of PP (polypropylene) material that has an advantage in terms of mooring rope price. As a result, it is possible to solve the problem of oxidation and shorten the lifespan and to selectively lift the PP rope, thereby reducing the maintenance cost.

Figure 1 is a side view showing the configuration of a water level interlocking water solar mooring apparatus according to an embodiment of the present invention.
Figure 2a is a side view showing a state in which the connection is normally locked in the water according to an embodiment of the present invention.
Figure 2b is a side view showing a state lifted to the upper surface during maintenance of the connection portion according to an embodiment of the present invention.
Figure 3 is a perspective view showing the configuration of the connecting portion according to an embodiment of the present invention.
4a and 4b is a side view showing the installation structure of the tension spring according to an embodiment of the present invention.

Hereinafter, the configuration and operation of the present invention will be described in more detail with reference to the accompanying drawings. In describing the present invention, the term or word used in the present specification and claims is based on the principle that the inventor can appropriately define the concept of the term in order to best describe the invention of his or her own. It should be interpreted as meanings and concepts corresponding to the technical idea of

1 is a side view showing the configuration of a water level interlocking water solar mooring apparatus according to an embodiment of the present invention, Figure 2a is a side view showing a state in which the connection is normally submerged in the water according to an embodiment of the present invention 2B is a side view illustrating a state in which the upper surface of the water is lifted during maintenance of the connection unit according to an exemplary embodiment of the present invention.

And Figure 3 is a perspective view showing the configuration of the connecting portion according to an embodiment of the present invention, Figure 4a and Figure 4b is a side view showing the installation structure of the tension spring according to an embodiment of the present invention.

Referring to FIG. 1, the water level interlocking type solar photovoltaic mooring apparatus (hereinafter referred to as 'mooring apparatus') of the present invention includes a seating table 100, a buoyancy body 200, and a connecting portion 300. .

The seating table 100 allows one or more photovoltaic modules 10 to be seated, and the photovoltaic module 10 may be exposed to the upper surface of the water while being linked to the water level change by the buoyancy body 200 described below. Make sure

Although the seating unit 100 is not shown in the drawings, it may be configured through interconnection between a plurality of metal frames, and it is preferable to select a material having excellent corrosion resistance to suit an underwater environment.

The buoyancy body 200 is mounted to the lower portion of the seating table 100 and ascends in conjunction with the water level change so that the seating table 100 can always be located above the water surface.

As shown in FIG. 1, the buoyancy body 200 may be provided as one or more buoyancy units in consideration of the area of the seating table 100 or the scale of the photovoltaic power generation facility.

The connection part 300 is mounted to be immersed in the water on the side of the selected buoyancy body 200 is configured not to be exposed to sunlight.

The connection part 300 is preferably installed at each corner of the four places for the stable fixing and support of the buoyancy body 200, in order to be submerged in the water is appropriately connected to the lower end of the buoyancy body 200, buoyancy Positioning at the bottom of sieve 200 adds an advantageous advantage to the center of gravity.

The connection part 300 is fixedly installed on the sinker 311 installed in the ground of the water, and transmits the tension force acting on the mooring rope 310 and the mooring rope 310 to the buoyancy body 200 in conjunction with the water level change. Including the first pulley 330 to rotate so that the mooring rope 310 is automatically raised and lowered in response to the water level change, the mooring rope in conjunction with the water level change while transmitting a constant tensile force to the connected buoyancy body 200 ( The 310 is moved upward or downward to support the buoyancy body 200 as well as the seating table 100 connected to the buoyancy body 200 so as not to leave the installation area.

As an example, the mooring rope 310 may be fixed through a sinker 311 having one end and the other end installed on the ground of water, respectively, made of polypropylene (PP) material.

And the other side of the mooring rope 310 is provided with a plurality of weights 312 at regular intervals when the water level is lowered as the connecting portion 300 descends together in the water by the weight of the weight 312 first The buoyancy body 200 is moved downward based on the pulley 330, and when the water level rises, the buoyancy body 200 is moved upward.

In the water-based photovoltaic facility, it is important that the photovoltaic module 10 maintains its orientation without rotating to receive abundant sunlight. To this end, the mooring rope 310 is preferably installed with a sufficient length so as to cope with high water surface at high water level.

In addition, the weight 312 is to maintain a constant tensile force is transmitted to the buoyancy body 200 by applying a tension to the mooring rope 310 by the self-weight is relaxed as the low water level is the solar module 10 It is to prevent the problem of moving out of the predetermined installation area or unnecessary rotation.

As described above, in the mooring apparatus of the present invention, the mooring rope 310 is prevented from being oxidized and broken by exposure to sunlight while using the mooring rope 310 made of PP material having excellent cost and durability. By locking the entire connection portion 300 including the 310 below the surface of the water is not only advantageous to the oxidation prevention and maintenance costs are not required to reduce the maintenance costs.

In addition to the aforementioned first pulley 330, the connection part 300 according to an exemplary embodiment of the present invention has a pair of second guides in which the mooring rope 310 is directed to the center of the first pulley 330. Induces a fixed position of one end and the other end of the mooring rope 310 while allowing the tensile force of the mooring rope 310 located in the water to be stably transmitted to the buoyancy body through a plurality of pulley structure further comprising a pulley (340) can do.

Referring to FIG. 3, the connection part 300 is mounted to be submerged in the water at the side of the selected buoyancy body 200, and is provided with a pair of side plates 320 spaced apart at regular intervals, and the pair of side plates ( It may be configured to further include a first pulley 330 and the second pulley 340 installed in the space formed between the 320.

The connection structure of the pair of side plates 320 to the buoyancy body 200 can be variously implemented through known techniques, and thus a detailed description thereof will be omitted.

The first pulley 330 is mounted on the upper portion of the space formed between the pair of side plates 320, the mooring rope 310 is rotated to automatically lift in conjunction with the change in the water level of the mooring rope 310 It serves to transfer the tensile force to the buoyancy body (200).

The second pulley 340 is mounted to be spaced apart from each other in the lower portion of the space formed between the pair of side plates 320, one side of the mooring rope 310 toward the first pulley 330 in the water Each of the mooring ropes 310 is in contact with the other side of the mooring ropes 310 facing the water through the first pulley 330 to induce the respective directions so as not to deviate from the center of the first pulley 330.

That is, the first pulley 330 of the connecting portion 300 is located at the top to transfer the tensile force of the mooring rope 310 to the buoyancy body 200, located below the first pulley 330 The pair of second pulleys 340 respectively perform a function of inducing the direction of the mooring rope 310 located in the water.

Here, the angle between one side and the other side of the mooring rope 310 may be determined by the mutual separation distance of the pair of second pulleys 340, so that the pair of second pulleys may be implemented to realize a stable support structure. It is desirable to determine the separation distance of 340 so that a suitable angle can be maintained.

In addition, the connection part 300 is mounted below each of the pair of second pulleys 340 in a space formed between the pair of side plates 320, and the mooring rope 310 facing the first pulley 330. It may further comprise a guide tube 350 to pass through one side of the) and the other side of the mooring rope 310 toward the water passing through the first pulley 330.

The guide tube 350 is one side and the other side of the mooring rope 310 is separated from each of the second pulley 340 when the mooring rope 310 is shaken due to the influence of the underwater environment including the algae prevent.

In addition, the connection part 300 according to an embodiment of the present invention may further include a casing 360 for sealing a space formed between the pair of side plates 320 as shown in FIG. 3. .

The casing 360 has a portion facing one side of the mooring rope 310 facing the first pulley 330 and the other side of the mooring rope 310 facing the water through the first pulley 330 is opened. It does not interfere with the movement of the mooring rope 310 flowing in conjunction with the water level change.

The casing 360 is irradiated to the mooring rope 310 exposed in the space formed between the pair of side plates 320 even if the connection portion 300 is located in the water, such as ultraviolet rays passing through the water surface. It is possible to protect the mooring rope 310 from oxidation due to exposure to sunlight at source.

Meanwhile, as shown in FIG. 3, the pair of second pulleys 340 are fastened to the long hole 370 formed in the side plate 320 in a direction facing each other. 370 is configured to flow along.

In addition, the connection part 300 may further include a tension spring 380 mounted to the side plate 320 to impart a constant tensile or compressive force to each of the coupling shafts 381 of the pair of second pulleys 370. have.

For example, the tension spring 380 is located between the pair of second pulleys 340, as shown in Figure 4a to be installed to give a compressive force to the fastening shaft 381 of each second pulley 340. The tension spring may be introduced into both one side and the other side of the mooring rope 310 in contact with each second pulley 340 through one tension spring 380.

On the contrary, as shown in FIG. 4B, the tension spring 380 is installed in the fastening shaft 381 of each of the second pulleys 340 so as to be provided with a tension force in the outward direction. Tension may be separately introduced to one side and the other side of the mooring rope 310.

The tension spring 380 is one side and the other side or one side or the other side of the mooring rope 310 in contact with the second pulley 340 by applying a constant tension or compression force to each of the second pulley 340. Relaxed to be separated from the second pulley 340 as well as in connection with this one portion of the mooring rope 310 wound on the first pulley (330) is released to relax the tension applied to the buoyancy body 200 Can be prevented.

In addition, the durability of the mooring rope 310 may be prevented from being deteriorated due to the accumulation of fatigue of the mooring rope 310 in contact with the second pulley 340 due to the shaking of the algae.

Meanwhile, FIG. 2A illustrates a state in which the connection part 300 is normally submerged in water, and FIG. 2B illustrates a state in which the connection part 300 is lifted to the upper surface during maintenance of the connection part 300. According to an example, the connection part 300 may be selectively lifted and exposed to the upper surface of the water.

Specifically, the mooring apparatus of the present invention, as shown in Figures 2a and 2b is mounted in the vertical direction from the upper surface of the water surface to a certain depth between the connecting portion 300 and the buoyancy body 200 to the connecting portion 300 It may be configured to further include a lifting rail 400 for connecting to the buoyancy body (200).

The lifting rail 400 is configured to fix the position of the connecting portion 300 while guiding the vertical movement of the connecting portion 300.

For example, the lifting rail 400 may include a plurality of flow holes 410 formed at regular intervals along the vertical direction, and a fixing pin 420 coupled to one or more selected flow holes.

Although the connection part 300 is not shown in the drawing, a fixing hole corresponding to the diameter of the flow hole 410 is formed on one side of the lifting rail 400, and the selected one or more flow holes 410 are selected. The pin is coupled to and fixed through the fixing pin 420.

That is, the connection part 300 is lifted to the upper part along the lifting rail 400 for the convenience of the maintenance of the connection part 300, and when the maintenance is completed, it is possible to return to the original underwater position again. In particular, in the lifted state to the top during maintenance is to be fixed through the fixing pin 420.

At this time, the lifting device 430 may be mounted on the upper end of the lifting rail 400.

The lifting device 430 preferably has a structure that is detached and attached to the lifting rail 400 so that it can be used only when the connecting portion 300 is lifted, and through the lifting rope at the top of the connecting portion 300. The connection part 300 may be selectively lifted to the upper surface of the water according to the external power supply.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention. Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification but should be defined by the claims.

10: solar module
100: seating table 200: buoyant body
300: connection part 310: mooring rope
311: Sinker 312: Weight
320: side plate 330: first pulley
340: the second pulley 350: guide tube
360: casing 370: long hole
380: tension spring 381: tightening shaft
400: lifting rail 410: flow ball
420: fixed pin 430: lifting device

Claims (7)

A seating table on which one or more solar modules are seated;
At least one buoyant body mounted below the seating board and positioned to seat the seating board at the top of the water while being lifted in association with a change in water level; And
It is attached to the lower side of the selected buoyancy body and interlocks with the lifting of the buoyancy body in water. Includes a mooring rope mounted to transfer the tensile force to the buoyancy body, the connecting portion for supporting the seat so as not to leave the installation area;
The connecting portion,
A pair of side plates mounted to be submerged in the side of the selected buoyancy body and spaced apart at regular intervals;
A first pulley mounted on an upper portion of a space formed between the pair of side plates, the mooring rope rotating to automatically move up and down in response to a change in water level, and transmitting a tensile force of the mooring rope to a buoyancy body;
Mooring that is mounted spaced apart from each other at a lower lower than the first pulley in the space formed between the pair of side plates and through the inner portion of the side of the mooring rope toward the first pulley and the first pulley toward the water A pair of second pulleys each in contact with an inner portion of the other side of the rope to induce an angle and a direction in which the mooring ropes are directed toward one side and the other side with respect to the first pulley; And
In the space formed between the pair of side plates are mounted on the lower portion of each of the pair of second pulleys, one side of the mooring rope toward the first pulley and the other side of the mooring rope through the first pulley toward the water respectively A water level interlocking type solar mooring device further comprises; a guide tube to be penetrated.
delete delete The method of claim 1,
The connecting portion,
A casing which seals a space formed between the pair of side plates, wherein a portion facing one side of the mooring rope toward the first pulley and the other side of the mooring rope toward the water through the first pulley is opened. Water level interlocking type solar photovoltaic mooring device, characterized in that.
The method of claim 1,
The pair of second pulleys are fastened to the long hole formed in the side plate in a direction facing each other, the fastening shaft is fastened and can flow along the long hole,
The connecting portion,
And a tension spring mounted to the side plate to impart a constant tensile or compressive force to each coupling shaft of the pair of second pulleys.
The method of claim 1,
Between the connecting portion and the buoyancy body is mounted in the vertical direction from the top of the water surface to a certain depth in the water to connect the connecting portion to the buoyancy body, coupled to a plurality of flow holes and a selected one selected to be formed at regular intervals along the vertical direction It further comprises a lifting rail including a fixing pin;
The connecting portion,
A water level linked type solar photovoltaic mooring device, characterized in that a fixing hole corresponding to the diameter of the flow hole is formed on one side in contact with the lifting rail and is pin-coupled to the selected one of the flow holes through the fixing pin.
The method of claim 6,
A lifting device detachable from and attached to the upper end of the elevating rail and connected to the upper end of the elevating rail through a lifting rope and selectively lifting the connecting part to the upper surface according to external power. Type water solar mooring device.

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