KR20230021821A - Water Flow Electric Generator - Google Patents

Abstract

The present invention relates to a water current power generator generating electric power using energy of a water current by being installed on the water where the water current with durability and directionality is formed. The water current power generator can maximize thrust generated by the water current and stably maintain the posture thereof. More specifically, a cable (100) passing between two floating structures (300-1, 300-2) and making a round is installed. A thrust generating unit (200) generating the thrust by including a parachute (210, 220) unfolded by the water current is connected to the cable (100) and enables the cable (100) to make the round. The thrust generating unit (200) produces electricity by rotating a disk using the cable (100) and connects the cable (100) in the shape in which the cable (100) passes through the parachute (210, 220), thereby increasing the amount of electric energy produced. Moreover, the thrust generating unit (200) is lifted on the floating structures (300-1, 300-2) on the water to be repaired and anchored. Accordingly, the water current power generator can be stably operated while being maintained.

Description

Water flow electric generator {Water Flow Electric Generator}

The present invention relates to a water current generation device that is installed on a water surface where a continuous and directional water flow is formed, and generates electric power with the energy of the water flow.

Since the water flow of the ocean or river is generally continuously formed in a certain direction, it is sufficiently useful as a clean energy source for generating electricity in areas where it occurs at a flow rate suitable for power generation.

However, the construction of power plants using water streams has not been activated due to various constraints such as environmental impacts of construction, installation costs according to location conditions, economic feasibility, maintenance costs, and durability against strong water currents.

The inventors of the present invention invented a water current generator capable of minimizing these constraints and received patent registrations of Patent Registration No. 10-2074228, Patent Registration No. 10-2097010 and Patent Registration No. 10-2148767.

According to the water current generator disclosed in Patent Registration No. 10-2074228, Patent Registration No. 10-2097010, and Registration Patent No. 10-2148767, two water structures installed with disks for hanging closed-loop cables to be circumferential Installed at a distance from each other along the direction of the water flow and coupled with a cable at intervals with a thrust generating unit equipped with a parachute that is automatically unfolded by the water flow, the thrust generating unit rotates the cable with the thrust generated by the water flow to generate electric power. produce In addition, thrust by wind can be added to increase power generation efficiency. Accordingly, it is possible to install and operate while minimizing problems caused by constraint factors.

In particular, in the water flow generator disclosed in Patent Registration No. 10-2148767, the thrust generating unit is separated from the cable when entering the floating structure and then recombined at the exit side, so that the cable rotates smoothly to increase efficiency and repair / It is easy to inspect and anchors to prevent damage due to bad weather.

However, in the water current generation device disclosed in Patent Registration No. 10-2148767, the part generating thrust by wind must be above the water surface, so that the part above water cannot generate thrust by water flow, and eventually, the water current is not sufficiently utilized. can not do it.

In addition, since the structure for detachably coupling the thrust generating unit to the cable is exposed upward, it is difficult to increase durability as a structure for stably maintaining the coupled state.

KR 10-2074228 B1 2020.01.31. KR 10-2097010 B1 2020.03.30. KR 10-2148767 B1 2020.08.21.

Therefore, an object of the present invention is to maximize the thrust by the water flow by coupling the thrust generating unit to the cable in a way to penetrate the parachute with a cable instead of extending and installing the parachute that is spread by the water flow, and to provide a stable connection with the cable. Provides a water current generator capable of ensuring smooth rotation of the cable, repair/inspection of the thrust generating unit, and anchoring in preparation for bad weather will be.

In order to achieve the above object, the present invention provides a water current generator comprising: a cable 100 configured in a closed loop; Parachutes 210 and 220, which are spread by water flow and generate thrust, are provided on the upper and lower sides, and the upper part is separated to accommodate the cable 100 in the through hole 230 formed therebetween, and then the lower part of the through hole 230 a thrust generating unit 200 coupled to the cable 100 by gripping it with an accelerator 240 in position and having a roller unit 250 protruding upward; It is composed of two units and spaced apart from each other, and the rotating disk 310 installed at a predetermined height on the top plate on the water surface and hanging the cable 100, and the thrust generating unit 200 crosses between the two units on the entry and exit sides The guide parts 340 and 350 that lower the cable part toward the water surface and the roller part 250 are combined to guide the thrust generating unit 200 from the entry side to the exit side, but the accessor 240 is operated at the entry side. so that the separated cable 100 escapes from the through-hole 230 by the guide parts 340 and 350 on the entry side, and is accommodated in the through-hole 230 by the guide parts 340 and 350 on the exit side Water structures (300-1, 300) including a guide device 360 that operates the accelerator 230 so that the cable 100 is coupled, and a generator 320 that operates at least one of the rotating disks 310 -2);

According to one embodiment of the present invention, the accelerator 240 is installed on both side walls of the through hole 230 to face each other, protrudes from the side wall of the through hole 230 to grip the cable and inside the side wall The gripping part 241 subjected to force by the first elastic body 242 in the direction entering the , penetrates the inside of the side wall vertically, the upper end protrudes upward to the side wall, and is applied with force by the second elastic body 244 in the upward direction. and an operating rod 243 having a cam 243a pushing the gripping part 241 protrudingly into the through groove 230 when moving upward by the second elastic body 244.

According to one embodiment of the present invention, the accumulator 240 is installed one pair at the front and rear ends of the through groove 230.

According to an embodiment of the present invention, the guide parts 340 and 350 include an upper inclined guide part 340 supporting the cable from below at the height of the rotating disk 310 and a cable part crossing between the two units. It includes a lower inclined guide part 350 that presses toward the water surface, but among the two cable parts crossing between the two, the lower inclined guide of the cable part to which the thrust generating unit 200 receiving thrust by at least the water flow is coupled. Part 350 presses down on the height cables that submerge the parachutes 210 and 220 underwater.

According to one embodiment of the present invention, the accelerator 240 maintains a state to be coupled to the cable 100, and is operated separately by the guide device 360, and the guide device 360 generates thrust. After starting the guide immediately before the unit 200 reaches the entry-side lower slope guide 350, the ax 240 is separated and operated while passing the entry-side lower slope guide 350, and the thrust generating unit 200 While ) passes through the lower inclined guide part 350 on the exit side, the accelerator 240 is separated and operated so that it passes through the lower inclined guide part 350 on the exit side and then is combined with the cable, and after being combined with the cable, the guide ends. do.

According to one embodiment of the present invention, the guide device 360 includes an inclined section for raising the thrust generating unit 200 separated from the cable on the entry-side lower inclined guide part 350 to the surface of the water, and a water structure 300- 1, 300-2), an arc section for guiding the thrust generating unit 200 in an arc from the bottom of the rotating disk on the upper surface of the water surface, and the thrust generating unit 200 toward the lower inclined guide part 350 on the exit side Including the slope section that descends.

A track switch is provided at both ends of the circular arc section of the guidance device 360, and the floating structures 300-1 and 300-2 are selectively connected to the guide device 360 to the line converter so that the thrust generating unit 200 An anchoring rail 370 to be transported and anchored is installed.

According to one embodiment of the present invention, among the two strands of cable crossing between the two aquatic structures 300-1 and 300-2, another strand of cable that does not generate thrust by the parachutes 210 and 200 The guide part 340, 350 connects the cable 100 in the two aquatic structures 300-1 and 300-2 so that only the lower part of the parachute 210 and 220 of the thrust generating unit 200 is submerged. to be guided by

According to an embodiment of the present invention, the aquatic structures 300-1 and 300-2 include an anchor fixed to the underwater ground, a wire rope fastened to the anchor, and a winch device for winding or unwinding the wire rope and maintaining tension It consists of a mooring type structure in which a plurality of mooring devices are installed along the circumferential direction to prevent movement in the horizontal direction and move up and down according to the water level.

According to an embodiment of the present invention, the cable 100 is installed in a portion to be gripped by the gripping block 110 having a shape extending in the radial direction from the cable 100 by the instrument 240, and the instrument 240 passes the cable 100 and surrounds the gripping block 110 to grip it.

According to one embodiment of the present invention, the cable 100 is composed of a wire rope made by twisting a plurality of strands 101, and the gripping block 110 is a long piece formed along the length direction of the cable 100 The groove 111 has an inner bottom surface curved in the radial direction and is provided along the circumferential direction by at least the number of strands 101, so that the strands 101 are released and inserted into the grooves 111 one by one, and the longitudinal direction A wire segment 112 is attached to both ends of the wire segment 112 and is twisted together with the strand 101 of the cable 100 at the outer side in the longitudinal direction.

According to one embodiment of the present invention, the gripping block 110 is contractible in a radial direction.

The present invention configured as described above is a thrust generating unit that expands the parachutes 210 and 220 by receiving and holding the cable 100 using the through hole 230 dividing the upper part of the parachutes 210 and 220. The amount of power produced using (200) can be increased, it can be stably coupled to the cable 100, and a method of separating the thrust generating unit 200 from the cable 100 and raising it to the surface of the water is also applied, thereby Its advantages can also be retained.

1 is a perspective view showing an installation state of a water current generator according to an embodiment of the present invention.
2 is a side view showing an installation state of a water current generator according to an embodiment of the present invention.
3 is a partially enlarged view of the first floating structure 300-1 in FIGS. 1 and 2;
4 is a partially enlarged view of the second floating structure 300-2 in FIGS. 1 and 2;
5 is a perspective view showing a state in which the guide rail 361 of the guide device 360 is connected to the anchorage rail 370 using a switch 364;
6 is a perspective view of the thrust generating unit 200 in a state in which the parachutes 210 and 220 are folded.
7 is a perspective view of the thrust generating unit 200 in a state in which the parachutes 210 and 220 are unfolded.
8 is a vertical cross-sectional view of a portion where an accelerator 240 is installed in the thrust generating unit 200, and a partially enlarged cross-sectional view of a state of the accelerator 240 separated from the cable 100.
9 is a perspective view showing the gripping part 241 of the accelerator 240, the gripping block 110 to be installed on the cable 100, and the gripping block 110 installed on the cable 100.

Hereinafter, specific examples will be shown and described so that those skilled in the art can easily practice the embodiments of the present invention with reference to the accompanying drawings.

1 is a perspective view showing an installation state of a water current generator according to an embodiment of the present invention, FIG. 2 is a side view showing an installation state, and FIGS. 3 and 4 are the first in FIGS. 1 and 2 1 is a partially enlarged view of the floating structures 300-1 and 300-2.

5 is a perspective view showing a state in which the guide rail 361 of the guide device 360 is connected to the anchorage rail 370 by using a switch 364.

6 and 7 are perspective views of the thrust generating unit 200 before and after the parachutes 210 and 200 are folded, and FIG. 8 is a vertical cross-sectional view of the thrust generating unit 200 where the ax 240 is installed, A partially enlarged cross-sectional view of the accelerator 240 separated from the cable 100, and FIG. 9 shows the gripping part 241 of the accelerator 240, the gripping block 110 to be installed on the cable 100, It is a perspective view showing the gripping block 110 installed on the cable 100.

First, referring to the perspective view of FIG. 1 and the side view of FIG. 2, the water current generator according to an embodiment of the present invention includes a cable 100 configured in a closed loop type and a plurality of thrusts detachably coupled to the cable 100. It includes a generation unit 200 and two aquatic structures 300-1 and 300-2 which are installed spaced apart from each other on the water so that the cable 100 circulates between the two.

The cable 100 is configured in a closed loop type by connecting both ends of the cable.

As shown in FIG. 9, the cable 100 is constructed by connecting both ends of a wire rope manufactured by twisting a plurality of stainless steel wires or carbon fibers into strands 101 and twisting them into several strands. can

In addition, the cable 100 may have a shape in which a portion gripped by an accelerator 240 installed in the thrust generating unit 200 is radially expanded. To this end, a gripping block 110 having a larger diameter than the cable 100 may be installed in a portion to be gripped by the accelerator 240 .

The gripping block 110 is provided with a plurality of grooves 111 formed along the length direction of the cable 100 along the circumferential direction so as to have at least as many strands 101 of the cable 100, A short piece of wire 112 hangs in the center of each side.

Here, the groove 111 is a groove in which the plurality of strands 101 twisted in the cable 100 are unwound and inserted one by one, and the inner bottom surface is formed to have a curved shape in the radial direction, so that the strand 101 is passed through the outer circumferential surface of a larger diameter than the diameter of the cable 100.

In addition, the wire fragments 112 fixed at both ends in the longitudinal direction are spread to the outer side in the longitudinal direction, respectively, and then the plurality of strands 101 in the cable 100 are not unwound and twisted. A plurality of strands 101 ) and twisted together.

Accordingly, the gripping block 110 is coupled to the cable 100 in a fixed position by the wire fragment 112 and the groove 111, so that it does not slip when gripped and pulled by the axis tool 240, and the cable ( 100) is pulled.

On the other hand, the gripping block 110 separates the outer peripheral portion from both sides in the longitudinal direction, but is manufactured as an extension portion 114 in the form of extending in the radial direction, and then attaches an elastic body 115 to both ends of the central portion 113 in the longitudinal direction. By extrapolating through , it was possible to shrink and reduce the outer diameter when pressed in the radial direction. Of course, the expansion part 114 may be composed of a plurality of pieces separated by the groove 111 formed in the center 113 and extending to have the groove as a boundary to be able to contract. In addition, the expansion part 114 is supported by the central part 113 in a radially expanded state so that it is limitedly expanded and does not escape.

In addition, the accelerator 24 has an insertion groove 241a to wrap and grip the gripping block 110 in a radially extended state of the extension 114, and a cable for passing the cable 100 to both ends. By having the through groove 241b, when pulling the gripping block 110 in the longitudinal direction while holding the gripping block 110, the expansion part 114 does not contract and expands the contact area with both sides in the pulling direction. Accordingly, the coupled state between the accelerator 240 and the cable 100 is strengthened, and the extension part 114 is contracted when the cable 100 is wound around the rotating disk 310 to be described later, thereby reducing the cable 100 ) to make the rotation more smooth.

The thrust generating unit 200 will be described with reference to FIGS. 6 to 9 .

The thrust generating unit 200 includes parachutes 210 and 220 to be unfolded backwards by water flow from the rear to the front, an extractor 240 for detachably coupled to the cable 100, and two watercraft. A roller unit 250, parachutes 210 and 220, an ax 240, and a roller unit ( 250) is fixedly installed, but the upper and lower parts of the parachutes 210 and 220 are separately unfolded, and the upper part is formed between the left and right parts divided into left and right parts After accommodating the cable 100 in the through hole 230, it is gripped by the accelerator 240 so that it is combined with the cable 100 penetrating the parachutes 210 and 220.

To this end, the parachutes 210 and 220 are classified into two upper parachutes 210 to be spread in opposite width directions, and lower parachutes 220 to be spread in both sides in the width direction as well as in the downward direction.

The main body 260 is divided into an upper body 261 in which two upper parachutes 210 are installed and a lower body 262 in which one lower parachute 220 is installed.

First, the lower body 262 forms the front portion 262a to have a substantially streamlined shape, and the horizontal support 262b, which is narrower than the front portion 262a, passes through the center of the upper portion in the width direction at the front portion 262a. By having a horizontal support 262b extending backward, the lower parachute 220 can be fixed to the front part 262a and the horizontal support 262b so that it can be spread downward and in the width direction.

The upper body 261 is spaced apart from the upper surface of the horizontal support 262b of the lower body 262 in the width direction and is composed of two opposing walls 261a installed facing each other, and the front portion 262a of the lower body 262 , so that a through hole 230 is formed between the two opposing walls 261a. At this time, the upper parachute 210 is installed one by one in a direction opposite to the facing direction on the two opposing walls 261a so as to unfold toward the rear. On the other hand, the front part 261b of the two opposing walls 261a is widened in a direction opposite to the facing direction and has a streamlined shape, and at the top of the end in the expanded direction, a fan rib 261c that can be unfolded toward the rear By installing, the upper parachute 210 is fixed to the fan ribs 261c, the opposite wall 261a, and the front part 261b so that it spreads stably toward the rear.

On the other hand, the upper parachute 210 is made of cloth, and as will be described later, when exposed on the water surface 1 from the return cable portion 100b, it can be spread by wind blowing from the rear to obtain thrust.

As shown in FIG. 8, the accelerator 240 is embedded in the two opposing walls 261a forming the side walls of the through hole 230 to form a pair, and is formed on the bottom surface of the through hole 230. It is configured to include a gripping part 241 protruding and retracting from a near lower part and an operating rod 243 capable of adjusting the protruding and retracting of the gripping part 241. Here, the operating rod 243 is a configuration of a specific embodiment for moving the gripping unit 241 forward and backward, but is not limited thereto, and may be replaced with a hydraulic device.

The holding part 241 is embedded in the through hole 230 at the lower part of the opposing wall 261a to be retracted, and receives force from the first elastic body 242 in a direction entering the opposing wall 261a. So, when pushed from the rear, it protrudes into the through hole 230, and when not pushed, it is kept in by the first elastic body 242.

Here, as shown in FIG. 9, the gripping part 241 can insert half of the gripping block 110 installed on the cable 100 into the insertion groove 241a with the extension part 114 extended. In addition, the cable through-hole 241b penetrating half of the cable 100 is formed to continue before and after the insertion groove 241a, so that the two gripping blocks 110 are wrapped around and gripped, but the cable 100 can pass through. there is.

The operating rod 243 vertically penetrates the opposing wall 261a so that its upper end protrudes through the upper portion of the opposing wall 261a, and the lower end has a cam 243a for pushing the gripping part 241. ) is located at the rear of the gripping part 241, receives force in the upper direction by the second elastic body 244, and pushes it with the cam 243a when moving upward by the second elastic body 244 and the groove 243b into which the gripping part 241 is inserted and retracted is formed continuously on the cam 242a, so that when the upper end is pressed, the cam 243a goes down and the gripping part 241 moves down. Moving out from the rear, the gripping portion 241 is partially caught in the groove 243b and retreated to enter the inside of the opposite wall 261a.

The pair of accelerators 240 configured as described above can engage the cable 100 by facing the gripping parts 241 and wrapping and gripping the cable 100 on both sides, and the two opposing walls 261a ) It can be separated from the cable 100 by simultaneously pressing the upper end of the operating rod 243 protruding upward, and by installing one pair close to the front and rear ends of the through hole 230, the thrust generating unit 200 ) can be firmly bonded with.

Here, a roller may be installed at an upper end of the operating rod 243 so as to be pressed and moved by an accelerator operating plate 363 described below.

The roller unit 250 includes a vertical support 251 protruding upward from two opposing walls 261a in line with the center of gravity to prevent the thrust generating unit 200 from tilting when suspended, and a vertical support 251 ) It includes a pressure plate 252 formed toward the front and rear direction at the upper end of the pressure plate 252, and a roller 253 of a width direction axis installed on the bottom surface of the pressure plate 252.

Here, the pressure plate 252 formed on the two roller parts 250 and facing each other side by side extends outward in the width direction, that is, in a direction opposite to the facing direction, and the roller ( 253) was installed.

Accordingly, in a state where the roller 253 spans the guide rail 361 described below, the pressing plate 252 is pressed with the rotating guide tire 362 to move the thrust generating unit 200 to the guide rail 361. can be moved along

As shown in FIGS. 1 and 2, the two water structures 300-1 and 300-2 are provided with a top plate 301 on the water surface 1 and are installed spaced apart from each other on the water surface, but in the direction of the water flow. are installed facing each other along the

In an embodiment of the present invention, a plurality of mooring devices 380 for floating the two water structures 300-1 and 300-2 in a mooring manner are installed along the circumferential direction. Here, each mooring device 380 has an anchor 383 fixed to the underwater ground in the direction in which it is installed, a wire rope 382 fixed by fastening an end to the anchor 383, and a wire rope 382 installed on the top plate 301 It includes a winch device 381 that adjusts the unwound length by winding or unwinding and constantly maintains the tension of the adjusted length. In addition, the plurality of winch devices 381 respectively installed on the two aquatic structures 300-1 and 300-2 adjust the unwound length of the wire rope 382 so that the two aquatic structures 300-1 and 300-2 2) Adjust the distance between them, make them float according to the water level, and keep the tension constant to prevent horizontal flow as well as rotation in place. It is preferable that these mooring devices 380 be installed at least in four directions, one at a time.

A configuration installed on the two aquatic structures 300-1 and 300-2 will be described in detail with reference to FIGS. 3 to 5.

The two water structures 300-1 and 300-2 are installed at a predetermined height on the top plate 301 higher than the water surface 1 and have a rotating disk 310 configured to have a vertical axis to hang the cable 100 and Guide the traveling direction of the cable 100 to traverse at a height lower than the rotating disk 310 of the two-stranded cable portion crossing between the two water structures 300-1 and 300-2 among the cables 100 The upper inclined guide part 340 and the lower inclined guide part 350, the thrust generating unit 200 separated from the cable 100, and the guide device 360 recombined after traveling, and the guide device 360 An anchoring rail 370 for anchoring the thrust generating unit 200 by being selectively connected is installed.

In addition, at least one of the two aquatic structures 300-1 and 300-2 is installed with a generator 320 operated by a rotating disk 310 to generate power.

In addition, at least one of the two aquatic structures 300-1 and 300-2 is provided with a tension adjusting device 330 for adjusting the tension of the cable 100, so that the cable ( 100) rotates the rotating disk 310 without slipping, and the cable portion crossing between the two aquatic structures 300-1 and 300-2 does not sag. To this end, three disks 310 are arranged in the width direction so that the cable 100 is wound in a zigzag path, and the disk placed in the middle is moved back and forth using the tension adjusting device 330 to adjust the tension of the cable can do.

As described above, the plurality of thrust generating units 200 are coupled to the cables 100 hanging on the rotating disks 310 provided in the two aquatic structures 300-1 and 300-2 at predetermined intervals, By lowering the height of the cable portion crossing between the floating structures (300-1, 300-2) of the platform, the cable 100 is moved along the water flow with the thrust of the water flow, and the cable 100 is pulled to rotate the disk by the rotation of the cable 100. Rotation of 310 operates generator 320.

In addition, the thrust generating unit 200 is separated from the cable 100 in the water structures 300-1 and 300-2 and is raised to the top plate 301 on the water surface 1 to check the status and anchored also makes it possible

For this purpose, the upper inclined guide part 340, the lower inclined guide part 350, the guide device 360, and the anchoring rail 370 will be described in detail.

First, terms are defined for convenience of explanation.

As shown in FIGS. 1 and 2, the transversal cable portions 100a and 100b are cable 100 that can be hung on the rotating disk 310 of the two floating structures 300-1 and 300-2 to circulate, As a cable portion crossing between the two floating structures 300-1 and 300-2, there are two strands.

The thrust generating cable portion 100a is a transverse cable portion of one strand that moves along the water flow among the two transverse cable portions 100a and 100b, and the thrust generating unit 200 coupled to this portion is moved by the water flow. Since the parachutes 210 and 220 are spread and thrust is received, they move along the water flow.

Return cable portion (100b) is another one-strand transverse cable portion that moves retrogradely in the direction opposite to the water flow among the two-strand transverse cable portions (100a, 100b), and the thrust generating unit 200 coupled to this portion is not subjected to thrust by the water current.

The entry side is a portion where the thrust generating unit 200 coupled to the transverse cable portions 100a and 100b in the aquatic structures 300-1 and 300-2 enters the aquatic structures 300-1 and 300-2.

The exit side is a part that couples the thrust generating unit 200 to the transverse cable parts 100a and 100b in the water structures 300-1 and 300-2 to move toward the water surface.

Hereinafter, the terms defined above will be used and described.

The upper inclined guide part 340 and the lower inclined guide part 350 are connected to the entry side where the thrust generating unit 200 coupled to the cable 100 enters and the thrust generating unit 200 is coupled to the cable 100. It is installed on each advancing side to advance.

First, the upper inclined guide part 340 has a roller at the top of the cable portion before winding on the rotating disk 310 at the same height as the height of the rotating disk 310 to support the lower part of the cable 100, so that the cable ( 100) can be guided on a downwardly inclined path. At this time, the rollers may guide the cable more stably by adding a roller arranged toward the rotating disk 310 and a roller arranged along an inclined path.

Next, the lower inclined guide part 350 is close to both ends of the two-stranded transverse cable parts 100a and 100b, that is, the upper inclined guide part 340 and is spaced apart by a predetermined distance. A roller 351 having a width capable of passing through the through groove 230 of the thrust generating unit 200 while pressing toward (1), and a roller 351 are installed at the bottom, but the thrust generating unit 200 It includes a roller support 352 having a thickness that can pass through the through groove 230 of the. Accordingly, the cable 100 is guided in an upwardly inclined direction toward the upper inclined guide portion 340 . The rollers 351 here may also be additionally arranged toward the transversal cable portions 100a and 100b and additionally arranged in an upwardly inclined direction to guide the cables more stably.

In addition, if the thrust generating unit 200 is separated from the cable 100 when passing through the lower inclined guide part 350, the cable 100 passes through the through hole 230 while moving.

The lower inclined guide parts 350 configured as described above are located at both ends of the two-stranded transverse cables 100a and 100b, respectively, and press the transverse cable partial transverse cables 100a and 100b toward the water surface 1, . All of the parachutes 210 and 220 of the generation unit 200 are installed to be partially submerged so as to be pressed to a height capable of being submerged in water. That is, as described above, since the thrust generating unit 200 is coupled to the cable 100 in a form penetrating the parachutes 210 and 220, the lower slope guide part 350 is submerged so that the part that presses the cable is submerged. , the thrust generating cable portion 100a is placed underwater.

According to an embodiment of the present invention, the lower inclined guide parts 350 respectively located at both ends of the return cable part 100b are parachutes 210 and 220 of the thrust generating unit 200 coupled to the return cable part 100b. ), only the lower parachute 220, which is the lower part, is submerged in the water, and the upper parachute 210 presses the return cable part 100b to a height capable of being above the water surface 1. That is, since the thrust generating unit 200 coupled to the return cable portion 100b moves against the water flow, the lower parachute 220 submerged in the water is folded and the upper parachute 210 above the water surface 1 It can also be spread by the wind, so that thrust by the wind can be generated.

The guide device 360 is combined with the roller part 250 of the thrust generating unit 200 entering the entry side of the water structures 300-1 and 300-2, and at the same time by operating the accelerator 240, the cable ( 100), and then guided to the exit side, the accelerator 240 is operated to be coupled to the cable, and at the same time separated from the roller unit 250, so that the thrust generating unit 200 moves while being coupled with the cable do.

The guide device 360 for this purpose includes a guide rail 361 on which the roller 253 of the roller unit 250 can ride and travel, starting from the entry side to the exit side, and rotating the roller unit 250 The guide tire 362 that presses the pressure plate 252 of ) is provided in succession along the guide rail 361 on the top of the guide rail 361, but at least the section moving along the rotating disk 310 is a floating structure ( It is provided to be installed on the top plate 301 of 300-1 and 300-2 to drive along the guide rail 361 in a state where the thrust generating unit 200 is raised above the water surface 1.

According to the present invention, since the cable 100 is coupled to the thrust generating unit 200 in a form passing through the parachutes 210 and 220 and is guided by the lower inclined guide part 350, the lower inclined guide part 350 It is coupled to and separated from the thrust generating unit 200 at the place where it is installed.

To this end, the guide device 360 extends toward the lower inclined guide part 350 installed on the entry side and the lower inclined guide part 350 installed on the exit side, respectively, and extends to each lower inclined guide 350. The part is provided with an accelerator actuating plate 363 to press the actuating rod 242 of the accelerator 240.

Accordingly, the guide device 360 moves the thrust generating unit 200 separated from the cable in the horizontal section of the entry-side lower slope guide portion 360 and the entry-side lower slope guide portion 350 to the water surface (1). An inclined section for lifting up, an arc section for guiding the thrust generating unit 200 in an arc from the bottom of the rotating disk on the upper surface of the water surface (1) of the water structure (300-1, 300-2), and the lower part of the advancing side It includes an inclined section in which the thrust generating unit 200 is lowered toward the inclined guide part 350 and a horizontal section in the lower inclined guide part 350 on the exit side.

Here, the horizontal section of the entry side and the exit side is formed at a height that can be combined with the roller unit 250 of the thrust generating unit 200 in a state in which the cable 100 is gripped by the accelerator 240.

By the way, the extractor 240 of the thrust issuing unit 200 maintains a state to be coupled to the cable 100 unless the separation operation of pressing the operation rod 243 is performed, and the separation operation of pressing the operation rod 243 is performed. It can be separated from the cable 100 only when it is separated, and it can be prevented from being interfered with by the lower inclined guide part 360.

Accordingly, the horizontal section in the entry-side lower slope guide portion 360 is configured to extend a predetermined distance before and after passing through the entry-side lower slope guide portion 360, so that the thrust generating unit 200 is the entry-side lower slope guide portion ( Just before reaching 350), start guiding to proceed while maintaining level. In addition, the accelerator operating plate 363 is configured to be slightly longer than the length of the lower inclined guide part 350 so as to separate and operate the instrument 240 while passing through the lower inclined guide part 350 on the entry side.

Accordingly, the thrust generating unit 200 is separated from the cable 100 while passing through the lower inclined guide part 350, and the separated cable 100 is separated from the thrust generating unit by the lower inclined guide part 360 on the entry side ( 200) exits through the through hole 230.

On the other hand, since the thrust generating unit 200 is provided with a pair of accumulators 240 at the front and rear, the horizontal section in the entry-side lower slope guide part 360 is the rear-side accumulator 240 is the entry-side lower slope guide. It extends to ensure horizontal progression even while passing through section 360 .

In addition, the horizontal section of the lower inclined guide part 360 on the exit side is also configured to extend a predetermined distance before and after passing through the lower inclined guide part 360, and the excavator operating plate 363 is configured to extend the lower inclined guide part 350 on the forward side. ) It is configured to be slightly longer than the length of the lower inclined guide part 350 to separate and operate the accelerator 240 while passing through. Accordingly, when the thrust generating unit 200 passes through the lower inclination guide 350 on the exit side, the ax 240 can pass without being interfered with by the lower inclined guide section 350 on the exit side. During operation, the cable 100 is accommodated in the through hole 230, and right after passing through the lower inclined guide part 350 on the exit side, the accelerator 240 grips and engages the cable, and ends the guide after combining with the cable. let it be

On the other hand, the horizontal section in the lower inclined guide part 360 on the forward side allows the guide to be terminated after the rear evil instrument 240 passes through the lower inclined guide part 360 on the forward side among the pair of front and rear evil tools.

Both ends of the circular arc section of the guide device 360 are composed of switch points 364 and can be selectively connected to the anchoring rail 370 bypassing the arc section.

That is, by configuring the part connected to the circular arc section after passing through the inclined section with a switcher 364 that is separated from the arc section and connected to the anchoring rail 370, the thrust generating unit 200 passing through the inclined section It can be guided to the anchoring rail 370. At this time, the anchoring rail 370 anchors the thrust generating unit 200 in bad weather, anchors it for repair or maintenance, or increases or decreases the number of thrust generating units 200 operated for power generation. It can be used for preliminary storage purposes.

On the other hand, since the thrust generating unit 200 is provided with one roller unit 250 on the opposite wall 261a, the guide rail 361 of the guide device 360 and the anchoring rail 370 are two parallel rails, respectively. , and the guide tire 362 of the guide device 360 may be configured as a tire that presses the pressure plate 252 of the pair of roller units 250 at the same time. The guide tire 362 may also be installed on the anchoring rail 370, but in this case, a person may push the thrust generating unit 200 to move it.

In addition, since each of the aquatic structures 300-1 and 300-2 uses electric power to rotate the guide tire 362, for example, the aquatic structure 300-2 without the generator 320 also rotates. The disk 310 can drive a generator to make power available.

Although the above has been shown and described as specific embodiments to illustrate the technical idea of the present invention, the present invention is not limited to the same configuration as the specific embodiments as described above, and various modifications are made to the extent that they do not depart from the scope of the present invention. It can be. Accordingly, such modifications should be regarded as belonging to the scope of the present invention, and the scope of the present invention should be determined by the claims described below.

1: sleep
100: cable
100a: thrust generation cable portion 100b: return cable portion
101: strand
110: gripping block 111: long groove 112: wire fragment
113: center 114: extension 115: elastic body
200: thrust generation unit
210: upper parachute
220: lower parachute
230: through groove
240: extractor 241: gripping part 241a: insertion groove
241b: cable through hole 242: first elastic body 243: operating rod
243a: cam 243b: groove 244: second elastic body
250: roller unit 251: vertical support 252: pressure plate
253: roller
260: main body 261: upper body 261a: opposite wall
261b: front part 261c: fan meat 262: lower body
262a: front part 262b: horizontal support
300-1, 300-2: Water structures
301: top plate
310: rotating disk
320: generator
330: tension control device
340: upper inclined guide part 341: roller
350: lower inclined guide part 351: roller 352: roller support
360: guide device 361: guide rail 362: guide tire
363: tool operation plate 364: line switcher
370: anchorage rail
380: mooring device 381: winch device 382: wire rope
383: Anchor

Claims (12)

Cable 100 configured in a closed loop type;
Parachutes 210 and 220, which are spread by water flow and generate thrust, are provided on the upper and lower sides, and the upper part is separated to accommodate the cable 100 in the through hole 230 formed therebetween, and then the lower part of the through hole 230 a thrust generating unit 200 coupled to the cable 100 by gripping it with an accelerator 240 in position and having a roller unit 250 protruding upward;
It is composed of two units and spaced apart from each other, and the rotation disk 310 installed at a predetermined height on the top plate on the water surface and hanging the cable 100, and the thrust generating unit 200 crosses between the two units on the entry and exit sides The guide parts 340 and 350 that lower the cable part toward the water surface and the roller part 250 are coupled to guide the thrust generating unit 200 from the entry side to the exit side, and the accessor 240 is operated at the entry side. The separated cable 100 is let out of the through-hole 230 by the guide parts 340 and 350 on the entry side, and is accommodated in the through-hole 230 by the guide parts 340 and 350 on the exit side. Water structures (300-1, 300) including a guide device 360 that operates the accelerator 230 so that the cable 100 is coupled, and a generator 320 that operates at least one of the rotating disks 310 -2);
A water current generator comprising a. According to claim 1,
The accelerator 240 is
Installed on both side walls of the through hole 230 to face each other, protrude from the side wall of the through hole 230 to hold the cable and receive force by the first elastic body 242 in the direction of entering the inside of the side wall Penetrates the gripping part 241 and the inside of the side wall vertically, so that the upper end protrudes above the side wall and receives force in the upper direction by the second elastic body 244, and when moved upward by the second elastic body 244, the wave including an operating rod 243 having a cam 243a pushing the branch 241 to protrude into the through groove 230;
water current generator. According to claim 2,
The accelerator 240 is
One pair installed at the front and rear ends of the through hole 230
water current generator. According to claim 1,
The guide parts 340 and 350 are
It includes an upper inclined guide part 340 that supports the cable from below at the height of the rotating disk 310 and a lower inclined guide part 350 that presses the cable part crossing between the two toward the water surface, The lower slope guide part 350 of the cable part to which the thrust generating unit 200, which receives thrust by at least the water current, is coupled among the two cable parts crossing therebetween has a height at which the parachutes 210 and 220 are submerged in water. pressing the cable
water current generator. According to claim 4,
The accelerator 240 is
Maintain the state to be coupled to the cable 100, and separate and operate by the guide device 360,
The guide device 360 is
After the thrust generating unit 200 starts guiding immediately before reaching the entry-side lower slope guide portion 350, the accessor 240 is separated and operated while passing through the entry-side lower slope guide portion 350,
While the thrust generating unit 200 passes through the lower inclined guide part 350 on the exit side, the extractor 240 is separated and operated to pass through the lower inclined guide part 350 on the exit side, and then combined with the cable. Guidance ended after combining
water current generator. According to claim 4,
The guide device 360 is
The inclined section for raising the thrust generating unit 200 separated from the cable in the entry-side lower inclined guide part 350 to the water surface, and the thrust generating unit 200 on the upper surface of the water structure 300-1, 300-2 ) Including a circular arc section for guiding the circular arc under the rotating disk and a slope section for lowering the thrust generating unit 200 toward the lower inclined guide part 350 on the exit side
water current generator. According to claim 6,
A line switcher is provided at both ends of the arc section of the guide device 360,
The water structures 300-1 and 300-2 are
An anchoring rail 370 is installed on the line converter to which the thrust generating unit 200 is transported and anchored, optionally followed by the guide device 360.
water current generator. According to claim 1,
Among the two cable parts crossing between the two aquatic structures 300-1 and 300-2, the other cable part that does not generate thrust by the parachutes 210 and 200 is
Guides the cable 100 to the guide parts 340 and 350 in the two aquatic structures 300-1 and 300-2 so that only the lower parts of the parachutes 210 and 220 of the thrust generating unit 200 are submerged. made it
water current generator. According to claim 1,
The water structures 300-1 and 300-2 are
A plurality of mooring devices including an anchor fixed to the underwater ground, a wire rope fastened to the anchor, and a winch device that winds or unwinds the wire rope and maintains tension are installed along the circumferential direction to prevent horizontal movement and to move up and down according to the water level. Composed of a mooring structure moved by
water current generator. According to claim 1,
The cable 100 is
A gripping block 110 having a shape extending in the radial direction from the cable 100 is installed in a part to be gripped by the accelerator 240,
The accelerator 240 is
Passing the cable 100 and wrapping the gripping block 110 to grip
water current generator. According to claim 10,
The cable 100 is
It consists of a wire rope made by twisting a plurality of strands 101,
The gripping block 110 is
The groove 111 formed along the length of the cable 100 has an inner bottom surface curved in the radial direction, and is provided along the circumferential direction by at least the number of strands 101 to loosen the strand 101 It is inserted into the groove 111 one by one, and wire fragments 112 are attached to both ends in the longitudinal direction, so that the wire fragments 112 are twisted together with the strand 101 of the cable 100 at the outer side in the longitudinal direction
water current generator. According to claim 10,
The gripping block 110 is
radially retractable
water current generator.

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