KR20200009919A - Solar power plant constructed on the water - Google Patents

Abstract

The present invention relates to a solar power generation device on water and, more specifically, to a solar power generation device which is installed on water such as a sea, a lake, a river or the like. The solar power generation device on water allows a support pin supporting an inclination adjustment bar to be inserted in a side direction of the inclination adjustment bar without allowing a fixing piece to disassemble the support pin so as to enter into a support pin constrained piece which is formed to be extended upwards and bent, thereby being easy for inclination adjustment of a solar power generation module. Moreover, the solar power generation device on water allows the solar power generation module to be automatically rotated in accordance with a changed solar altitude so as to increase power generation efficiency. A structure capable of controlling the rotation of the solar power generation module is simple so as to have high management and application efficiency.

Description

Solar power plant constructed on the water

The present invention relates to a water-based photovoltaic device, and more particularly to a photovoltaic device installed in the water, such as sea, lakes, rivers.

In general, a photovoltaic device that generates power by converting sunlight into electrical energy using a solar cell is widely known and used.

Solar cell power generation efficiency depends on the amount of solar radiation. Therefore, in constructing a solar power generation device, in order to increase power generation efficiency, a site having a good irradiation amount of solar light should be selected, and civil works such as a stop work for installing solar cells at the selected site should be performed.

However, in the case of installing the photovoltaic device on land, due to the enormous site cost and the cost of civil engineering, the practical use of the solar cell has not been widely made despite the various advantages of the solar cell.

Thus, a method of installing a photovoltaic device in the water was proposed.

As a conventional technology of installing a photovoltaic device in the water, a water photovoltaic power system disclosed in Korean Unexamined Utility Model Publication No. 2007-0000044 is disclosed.

The water-based photovoltaic system according to the prior art is composed of a buoy floating in water, a support installed on the buoy, and a plurality of solar cell panels are installed while maintaining a constant angle in accordance with the irradiation angle of sunlight on the support.

However, in the conventional water-based photovoltaic power generation system, since the position of buoys changes from time to time according to the flow of water, there is a problem in that solar power is not properly irradiated to the solar cell panel and thus the power generation efficiency drops.

Republic of Korea Patent Publication No. 10-1852879 has a control means for adjusting the inclination angle of the photovoltaic module, but when adjusting the inclination angle is to disassemble and assemble the bolts and nuts connecting the control link and the support frame of the adjustment means There is a troublesome problem.

Republic of Korea Utility Model Publication No. 2007-0000044: Floating PV System

The present invention is to solve the problems of the prior art, the position is fixed to resist the flow of water, it is easy to adjust the inclination angle of the photovoltaic module without the need for disassembly and assembly according to the altitude of the solar PV system To provide.

In addition, the present invention is to provide a water-based photovoltaic device that can increase the amount of sunlight by tracking the sun.

The water-based photovoltaic device of the present invention for achieving the above object is a photovoltaic module for generating power by irradiation with sunlight; A rotation support frame unit to which the photovoltaic module is rotatably mounted; A base frame unit supporting the pivot support frame unit; Floating means coupled to the base frame unit and having buoyancy to float the base frame unit in the water phase; An upper part is rotatably coupled to the photovoltaic module and a support pin protruding in a lateral direction orthogonal to a rotational direction from the fixing piece of the base frame unit to the lower side is formed to be supported by the support pin. A plurality of support pin confinement grooves spaced apart from each other in a longitudinal direction, the inclination adjusting unit including an inclination adjustment bar capable of adjusting inclination, wherein the support pin confinement grooves correspond to the rotation direction of the photovoltaic module; It is drawn in the inward direction from one side of the inclined adjustment bar is drawn in the width direction of the inclined control bar is formed to be bent into the upper direction of the inclined adjustment bar parallel to the longitudinal direction of the inclined control bar is bent Both sides corresponding to the extending direction is characterized in that the inlet is formed to open.

The inclination adjustment bar intersects the first extension portion having a width in a direction orthogonal to the rotational direction of the photovoltaic module or the width of the base frame unit, and at one end of the first extension portion at the first extension portion. It has a width in the direction of the two sides in the width direction of the base frame unit in the longitudinal direction of the upper portion is rotatably coupled to the photovoltaic module and has a second extending portion formed with a plurality of the support pin restraint groove in the lower portion .

The inclination control unit enters the support pin restraint groove and prevents the support pin for supporting the second extension part from being separated from the support pin restraint groove when the base frame swings up and down by a wave. Member; may be further provided.

The release preventing member includes a hinge coupling part rotatably coupled in the longitudinal direction of the base frame unit to the second extension portion adjacent to an upper portion of the support pin restraint groove, and in the longitudinal direction of the hinge coupling part at an end of the hinge coupling part. Extend in an intersecting direction to support the support plate such that the support pin does not deviate from the support pin restraint groove toward the first extension when the hinge coupler rotates in the first direction and the hinge coupler is opposite to the first direction; A rotation bracket having a support pin support part facing away from the first extension part so as not to interfere with the support pin entering the support pin restoring groove when the motor rotates in a direction; The support pin extends in parallel to the longitudinal direction of one side of the support pin is inserted into the support pin restrained and the other side protrudes in a direction away from the support pin support to the elastic member mounted in the support pin support, It is supported through the through-hole formed through the extended portion to limit the rotation of the hinge coupling portion to maintain the support pin support portion to support the support pin, the support pin support portion by an external force for the rotation of the hinge coupling portion And a rotational limiting rod which is moved in a direction adjacent to and spaced apart from the through hole.

In addition, the inclination adjustment unit is screwed to one side of the inclination control bar corresponding to the upper side of the support pin confinement groove in the longitudinal direction of the base frame unit penetrates through the support pin confinement groove and the inclination adjustment bar It is inserted into the other side of the support pin to support the support pin entered into the upper end of the support pin restraint groove can prevent the support pin from being separated from the support pin restraint groove when the base frame unit swings up and down by waves. It may be provided with a departure prevention member.

On the other hand, a water-based photovoltaic device of another object of the present invention and the solar power generation module for generating power by irradiation with sunlight; A rotation support frame unit to which the photovoltaic module is rotatably mounted; A base frame unit supporting the pivot support frame unit; Floating means coupled to the base frame unit and having buoyancy to float the base frame unit in the water phase; An upper part is pivotally coupled to one side of the photovoltaic module and a lower part penetrates through the guide bracket pivotally coupled to the side of the base frame unit. A guide bar for preventing shaking of the power generation module, a bobbin rotatably mounted on the base frame unit, and having an end wound around the other side of the photovoltaic module, and the bobbin to rotate the photovoltaic module. A driving motor for rotating the bobbin so as to pull or release the wire, and a heavy object mounted on one end of the photovoltaic module to lower one side of the photovoltaic module when the wire is released; Is installed on one side of the photovoltaic module or the base frame unit to reduce the altitude displacement of the sun Underground solar tracking sensor, characterized in that it comprises a tilt control unit having a control unit for controlling the rotation direction and the rotation angle of the drive motor receives the altitude value of the sun from the sun tracking sensor.

The rotating support frame unit has a first rotating support frame, one end of which is fixed to the longitudinal front side of the base frame unit and the other side of which extends to support the rotation support shaft for supporting the rotation of the photovoltaic module; It is mounted to the sliding groove extending in the longitudinal direction of the base frame unit at a position spaced to the rear side with respect to one end of the first pivot support frame on the side of the base frame unit is movable in the longitudinal direction of the base frame unit The other side is extended so as to support the rotating shaft together with the first rotation support frame is to lower the height of the photovoltaic module when one end moves along the sliding groove in a direction away from one end of the first rotation support frame. It is provided with two rotation support frame, the height fluctuation or tilt of the base frame by the wave At least one detection sensor for detecting this change and transmitting a detection signal to the control unit, and the rod is fixed to the side of the base frame between the first pivot support frame and the sliding groove and mounted on the other side When the height of the base frame is fluctuated by a wave connected to one end of the second rotation support frame, the length of the second rotation support frame is stretched by the control of the controller to reduce the height fluctuation range of the photovoltaic module. It may be provided with a height adjustment cylinder for moving along the longitudinal direction of the base frame.

In the water photovoltaic device of the present invention, since the support pin for supporting the inclination adjustment bar does not need to be disassembled on the fixing piece, the support pin is inserted in the side direction of the inclination adjustment bar and is extended upward to allow access to the bent support pin formed recess. There is an advantage that the tilt control of the power generation module is easy.

In addition, the water photovoltaic device of the present invention can increase the power generation efficiency by automatically rotating the photovoltaic module according to the solar altitude being displaced, and the structure that can control the rotation of the photovoltaic module is concise management and It has the advantage of high application efficiency.

1 is a perspective view of a water photovoltaic device according to a first embodiment of the present invention,
Figure 2 is a side view of the water photovoltaic device of Figure 1,
3 is a partial perspective view of the water photovoltaic device of FIG. 1,
4 is a partial perspective view of a water photovoltaic device according to a second embodiment of the present invention,
5 is a partial side cross-sectional view illustrating a state in which a separation preventing member penetrates the first extension part of the inclination adjustment bar of FIG. 4 to restrain the support pin;
6 is a partial perspective view of a water photovoltaic device according to a third embodiment of the present invention,
7 is a side cross-sectional view showing a state in which the release preventing member is fastened to the inclined adjustment bar of FIG.
8 is a side view of the water photovoltaic device according to the fourth embodiment of the present invention,
9 is a side view of the water photovoltaic device according to the fifth embodiment of the present invention,
10 is a view showing a state in which the water photovoltaic device according to the present invention is fixed to the artificial reef,
FIG. 11 is a view illustrating a state in which a water-based photovoltaic device according to the present invention is fixed to a file inserted into and fixed to a water surface.
12 is a view showing a state in which the water-based photovoltaic device according to the present invention is fixed by the fixing member installed on the land.

Hereinafter, with reference to the accompanying drawings will be described in detail a water-based photovoltaic device according to a preferred embodiment of the present invention.

1 to 3 illustrate a solar cell apparatus 1 according to a first embodiment of the present invention.

The water-based photovoltaic device (1) according to the first embodiment of the present invention includes a photovoltaic module (10) for generating power by irradiation with sunlight; A rotation support frame unit 20 to which the solar power generation module is rotatably mounted; A base frame unit 30 supporting the rotation support frame unit; Floating means 50 is coupled to the base frame unit 30 has a buoyancy to float the base frame unit 30 in the sea; The upper part is rotatably coupled to the photovoltaic module 10 and the support pin 43 protruding in the lateral direction orthogonal to the rotational direction from the fixing piece 41 of the base frame unit 30 enters the lower part. The inclination adjustment unit 60 is formed to be supported by the support pin 43 and includes a plurality of support pin restraint grooves 68 spaced apart from each other in the longitudinal direction, and includes an inclination adjustment bar 61 for adjusting inclination. It includes;

The base frame unit 30 extends in a first direction and is spaced apart from each other in a direction orthogonal to the first direction, and a plurality of longitudinal extension frames 31 extend in a direction orthogonal to the first direction and extend in a longitudinal direction ( 31 is provided in the longitudinal extension frame 31 in a direction orthogonal to the plurality of, and provided with a plurality of widthwise extension frames 33 spaced apart from each other in the first direction.

The longitudinal extension frame 31 and the width direction extension frame 33 is preferably formed in a cross-sectional square shape, it may be formed of a synthetic resin material or a metal material.

An upper surface of the longitudinal extension frame 31 is provided with a fixing piece 41 extending in the vertical direction on the rear side of the rotation support frame unit and having a width in the first direction. One side of the fixing piece 41 facing outward is formed with a support pin 43 extending in a direction away from the longitudinal extension frame 31, that is, perpendicular to the first direction.

Floating means (50) is a plurality of floats 51 and the outer peripheral surface of the floating body which are positioned to be spaced apart from each other in the longitudinal direction of the longitudinal extension frame 31 to the longitudinal extension frame (31) of the base frame unit (30) It is formed in a circular shape so as to surround the both ends are provided with a fixing band 53 is coupled to the longitudinal extension frame 31 to fix the floating body 51 to the longitudinal extension frame 31.

Floating body 51 is formed in a cylindrical shape having an inner space so that the base frame unit 30 to form a buoyancy to be floating in the water and the fixing band 53 is seated and fixed in position from the outer peripheral surface inward direction A receiving groove 52 is formed, which is introduced and extends in the circumferential direction. On the other hand, the float 51 is not shown in detail, but may be applied to the structure of the buoyancy body embedded with a porous foam posted in the Republic of Korea Patent Publication No. 10-1867569.

In addition, the water-based photovoltaic device 1 according to the first embodiment of the present invention has a footrest 37 on which the operator can move by being installed side by side in the widthwise extension frame 33 on the base frame unit 30. It is preferable to install.

Referring to FIG. 2, the photovoltaic module 10 extends in a first direction on a lower surface thereof and is supported by a plurality of module support frames 12 spaced apart from each other in a direction crossing the first direction.

On the lower surface of the module support frame 12, a rotation bracket 13 is formed which extends in the width direction of the base frame unit 30 and passes through the rotation support shaft 16 supported by the rotation support frame unit 20 to be described later. .

Rotating support frame unit 20 is installed at the lower end of the longitudinal extension frame 31 spaced apart from each other in the first direction and each upper end is adjacent to each other to extend the rotation bracket 13 of the photovoltaic module 10 First and second pivotal support frames 21 and 26 are rotatably supported by the rotatable support shaft 16 for rotatably supporting.

The rotation support frame unit 20 is installed on both sides of the base frame unit 30 in the width direction so as to stably support the rotation support shaft 16 for rotatably supporting the rotation bracket 13.

1 and 2, one end of the first pivotal support frame 21 is fixedly installed at the longitudinal front side of the longitudinally extended frame 31 and the other side, that is, the upper end, is rotatable to support the rotational support shaft 16. Is extended to allow. In addition, one end of the second pivotal support frame 26 is installed on the longitudinal rear side of the longitudinally extending frame 31 and spaced apart from the rear side with respect to one end of the first pivotal support frame 21. It extends in a direction adjacent to the upper end of the first pivot support frame 21 to support the rotation support shaft 16 together with the first pivot support frame 21.

The inclination adjustment unit 60 has a plurality of inclination adjustment bars each upper portion is coupled to one side or the other side of the photovoltaic module 10 and each lower portion is coupled to one side or the other side of the width direction of the base frame unit 30, respectively. 61 is provided.

The inclination adjustment bar 61 includes a first extension part 62 having a width in a direction orthogonal to the rotation direction of the photovoltaic module 10 or a width direction of the base frame unit 30, and the base frame unit 30. At one end of the first extension portion 62 facing the inner direction of the width in the direction crossing the first extension portion 62 so that both sides of the width direction in the longitudinal direction of the base frame unit 30, the top The second extension part 66 is rotatably coupled to the photovoltaic module 10 and has a plurality of support pin restraint grooves 68 formed therein.

The support pin restraint groove 68 corresponds to the rotational direction of the photovoltaic module 10, but is inward from an end in the width direction of the second extension part 66 in a direction away from the first extension part 62. That is, the lead extending in the direction of the first extension part 62 is formed to be bent into the upper direction of the second extension 66 in parallel with the longitudinal direction of the second extension portion 66, the support pin 43 extending direction Both sides corresponding to the opening are formed to be open.

The support pin 43 inserted into the upper end of the support pin confinement groove 68 is prevented from being separated from the inclination adjustment bar 61 by the load of the photovoltaic module 10 or the inclination adjustment bar 61, When the base frame unit 30 is moved up and down by the same external force, it is preferable that the nut 48 that is screwed to be tightly coupled to the second extension part 66 is prevented from being separated.

In the offshore photovoltaic device according to the first embodiment of the present invention, the support pin 43 supporting the inclination adjustment bar does not need to be disassembled in the fixing piece 41, and is inserted in the lateral direction of the inclination adjustment bar 61 and upwards. Since it is possible to enter the extended support bent confined groove (68) is bent there is an advantage of easy inclination of the photovoltaic module.

Meanwhile, FIG. 4 and FIG. 5 show a water-based photovoltaic device 2 according to a second embodiment of the present invention. Conveying elements having the same function as in the above-described drawings are denoted by the same reference numerals.

In the water photovoltaic device 2 according to the second embodiment of the present invention, the inclination adjustment unit 160 further includes a departure preventing member 170, and the second extension bar 62 of the inclination adjustment bar 61. Except that the through-hole 63 and the support jaw 64 is formed is the same as the structure of the water photovoltaic device 1 of the first embodiment of the present invention.

The inclination adjustment unit 160 includes a plurality of inclination adjustment bars 61 and a plurality of separations respectively coupled to positions adjacent to the support pin restraint grooves 68 of the second extension 62 of each inclination adjustment bar 61. Has a prevention member

The release preventing member 170 enters the support pin restraint groove 68 so that the support pin 43 for supporting the second extension 66 is moved when the base frame unit 30 swings up and down by waves. It prevents from leaving the groove 68.

 The anti-separation member 170 is pivotally coupled to the second extension part 66 in a first direction and rotatably constrained to the rotation housing 171 to the first extension part 62. It is provided with a rotation limiting rod 175 penetrating through the formed through-hole 63 to limit the rotation of the rotating housing 171.

Rotating housing 171 and the hinge coupling portion 172 and the hinge coupling portion which is rotatably coupled to the second frame portion 66 adjacent to the upper portion of the support pin binding groove 68 in the longitudinal direction of the base frame unit 30; At the end of the (172) extends in the direction intersecting the longitudinal direction of the hinge coupling portion 172, the support pin 43 toward the first extension portion 62 when rotated to be located below the hinge coupling portion 172 The support pin 43 is supported so as not to be detached from the support pin restraint 68 and does not interfere with the support pin 43 that enters the support pin restraint 68 when rotated to be located above the hinge coupler 172. It is provided with a support pin support 174 extending in an upward direction in a direction away from the first extension (62).

Although not shown, the support pin support 174 is opened in a direction away from the hinge coupling portion to form an inner space (not shown) in which the elastic member (not shown) is accommodated.

Rotating limiting rod 175 is extended in parallel to the longitudinal direction of the support pin support 174 is one side is received in the inner space of the support pin support 174 is elastically supported in a direction away from the hinge coupling by the elastic member The other side protrudes with respect to the support pin support part 174.

Referring to FIG. 5, when the support pin support part 174 of the pivot bracket 172 is positioned below the hinge coupling part 172, the rotation limiting rod 175 faces the first extension part 62 and faces the first extension part 62. It may be in contact with the extension 62. In this state, when the support pin support portion 174 of the rotation housing 171 rotates the rotation housing 171 adjacent to the first extension portion 62, the rotation restriction rod 175 is connected to the first extension portion 62. While being pressed into the inner space of the support pin support portion 174 adjacent to the hinge coupling portion 172, while being released in the through-hole 63 of the first extension portion 62, the through-hole 63 by the elastic member Protrudes through).

The rotation limiting rod 175 penetrates the through hole 63 to limit the rotation of the hinge coupler 172 such that the support pin support 174 maintains the support pin 43.

In addition, the rotation limiting rod 175 penetrates the through hole 63 by an external force by an operator for the rotation of the hinge coupling part 172 with limited rotation, and an end portion protruding from the first extension part 62 is a support pin. It may be moved in a direction adjacent to the support 174 may be spaced apart from the through hole 63.

On the other hand, the support pin 43 is an outer diameter is extended to the end side protruding with respect to the rotation housing 171 is formed an escape prevention flange 45 to prevent the inclined adjustment bar 61 is separated in the lateral direction.

In the offshore photovoltaic device 2 according to the second embodiment of the present invention, the separation preventing member 170 penetrates the through hole 63 of the first extension part 62 without a separate screwing support pin 43. ) And the rotation limiting rod 175 of the separation preventing member 170 is separated from the through hole 63 by the external force of the operator to release the restrained state of the support pin 43. There is an advantage that the inclination of the more easier.

Meanwhile, FIGS. 6 and 7 illustrate a water-based photovoltaic device 3 according to a third embodiment of the present invention. Components having the same function as in the above-described drawings are denoted by the same reference numerals.

The water-based photovoltaic device 3 according to the third embodiment of the present invention has the same structure as the water-based photovoltaic device 1 according to the first embodiment of the present invention except for the inclination control unit 260.

The inclination control unit 260 is each upper portion is coupled to one side or the other side of the photovoltaic module 10, each lower portion is coupled to one side or the other side of the width direction of the base frame unit 30, respectively, a plurality of support pins A plurality of inclination adjustment bar (266) formed with a restraint groove 68, and the separation prevention member (261) for restraining the support pin 43 entered into the support pin confinement groove (68).

The inclination adjustment bar 266 is formed in the shape of a square bar, the support pin restraint groove 68 corresponds to the rotation direction of the photovoltaic module, but is inclined toward the rear side of the base frame unit 30 of the inclination adjustment bar 266. The base frame unit 30 is introduced into the front side of the base frame unit 30 at one side and is bent into the upper direction of the inclination control bar 266 in parallel to the longitudinal direction of the inclination control bar 266 and formed to be bent. Both sides of the inclination adjustment bar 266 facing in the width direction of are formed to be open.

The support pin restraint groove 68 may be divided into a longitudinal inlet portion 68b extending in the longitudinal direction of the inclination adjustment bar at the end of the widthwise inlet portion 68a and the widthwise inlet portion 68a.

The separation preventing member 261 is formed in one side of the inclined adjustment bar corresponding to the upper side of the support pin restraint groove 68 in the longitudinal direction of the base frame unit 30, as shown in FIG. The other side of the inclination adjustment bar 266 is formed on the upper side of the support pin restraint groove 68 extending in the longitudinal direction of the inclination adjustment bar 266, that is, screwed to 267. Is inserted into the insertion groove 268, and supports the support pin 43 entered into the upper end of the support pin confining groove (68).

Referring to FIG. 7, the release preventing member 261 includes an annular main support portion 262 having an end portion inserted into the insertion groove 268 and extending into the longitudinal inlet portion 68b to support the support pin 43. The screw coupling part 263 and the screw coupling part 267 which extend in the extension direction of the main support part 262 at the end of the main support part 262 and have a screw line formed on the outer circumferential surface are screwed to the screw coupling hole 267. At the end of the outer diameter is divided into an extended head portion 264.

On the other hand, Figure 8 shows a water-based photovoltaic device 4 according to a fourth embodiment of the present invention.

The water photovoltaic device 4 according to the fourth embodiment of the present invention is the same as the structure of the water photovoltaic device 1 according to the first embodiment of the present invention except for the tilt control unit 360.

The inclination adjustment unit 360 includes a guide bracket 361, a guide bar 363, a bobbin 365 on which a wire 364 is wound, a drive motor 366, a heavy object 367, and solar tracking. A sensor (not shown) and a control unit (not shown) are provided.

The guide bracket 361 is not shown as a relief chuck, but the inner side of the guide bracket 363 is formed in a shape corresponding to the cross section of the guide bar 363 so as to surround the lower portion of the guide bar 363, which will be described later. A rotating bar (not shown) is formed to protrude on the outer circumferential surface facing the side and to be rotatably inserted into the longitudinal extension frame 31.

The guide bar 363 is formed in the shape of an annular bar, the upper part of which is rotatably coupled to one side of the photovoltaic module 10 or one side of the module support frame 12, and the lower part of the guide bar 361 extends through the solar light. The power generation module 10 moves up and down with respect to the guide bracket 363 and rotates to prevent shaking of the solar power generation module 10.

The bobbin 365 is rotatably installed on the longitudinal extension frame 31 so as to be positioned at the front side of the first pivot support frame 21 of the pivot support frame unit 20, so that the base frame can be stably installed. It is preferable to be installed on the upper surface of the auxiliary plate 38 extending in the width direction of the unit 30 and coupled to the longitudinal extension frame 31.

Bobbin 365 is wound around the wire 364, the end of which is bound to the other side of the photovoltaic module 10 or the other side of the module support frame 12.

The driving motor 366 is connected to the bobbin 365 by rotating the bobbin 365 so that the photovoltaic module 10 is rotated so that the bobbin 365 is rotated to pull or release the wire 364. Preferably, a motor in which the drive shaft (not shown) is rotatable in both directions is applied.

The weight object 367 is mounted at one end of the photovoltaic module 10 or one end of the module support frame 12 so that one side of the photovoltaic module 10 is lowered adjacent to the base frame when the wire is released. To have a weight. The heavy material 367 is not limited to the material or structure as long as one side of the photovoltaic module 10 has a load that can be pulled downward.

 Solar tracking sensor (not shown) is installed on one side of the photovoltaic module 10 or the base frame unit unit 30 to detect the altitude displacement of the sun.

The controller (not shown) receives the altitude value of the sun from the sun tracking sensor and controls the rotation direction and the rotation angle of the driving motor 366 so that the photovoltaic module 10 can be rotated according to the displaced altitude value.

On the other hand, the driving motor 366 may be supplied with a separate power from the outside, it may be applied to be driven by the electric energy generated from the photovoltaic module 10.

According to the fourth embodiment of the present invention, the water photovoltaic device 4 may automatically rotate the photovoltaic module according to the altitude of the displacement, thereby increasing power generation efficiency, and control the rotation of the photovoltaic module. The concise structure has the advantage of high management and application efficiency.

On the other hand, Figure 9 shows a water-based photovoltaic device 5 according to a fifth embodiment of the present invention. Components having the same function as in the above-described drawings are denoted by the same reference numerals.

The water photovoltaic device 5 according to the fifth embodiment of the present invention includes a sensor (not shown), a height adjustment cylinder 370, and a sliding groove in the structure of the photovoltaic device 4 of the present invention. 32).

The sliding groove 32 is a base frame unit at a position spaced to the rear side with respect to one end of the first pivot support frame 21 on one side of the width direction side of the base frame unit 30, that is, the longitudinal extension frame 31 It extends in the width direction of 30 and extends in the longitudinal direction of the base frame unit 30.

In addition, one end of the second rotation support frame 26 of the rotation support frame unit 20 is mounted to the sliding groove 32 to be movable in the longitudinal direction of the base frame unit 30, so that one end thereof is the first rotation support frame. When moving along the sliding groove 32 in the direction away from one end of the (21) can lower the height of the photovoltaic module 20.

 The sensor detects the height change or the horizontal change of the base frame unit 30 by the wave and transmits a detection signal to the controller. The detection sensor may be an ultrasonic sensor capable of detecting water depth fluctuation due to waves or shoulders, or a horizontal sensor detecting the inclination state of the base frame unit 30.

The height adjustment cylinder 370 is a cylinder body 371 is fixedly installed to extend in a first direction on one side of the longitudinal extension frame 31 between the first pivot support frame 21 and the sliding groove 32, A rod 372 is mounted to the cylinder body 371 in a longitudinal direction of the cylinder body 371 and connected to one end of the second pivotal support frame.

The height adjustment cylinder 370 is stretched by a control unit that detects a height fluctuation or a horizontal fluctuation by a sensor when the height of the base frame unit is fluctuated by waves to reduce the height fluctuation range of the photovoltaic module 10. One end of the two pivot support frames 26 is moved along the longitudinal direction of the base frame unit 30.

The height adjustment cylinder 370 may be applied to a pneumatic or hydraulic cylinder, the water-based photovoltaic device 5 according to the fifth embodiment of the present invention is supplied with the gas or liquid required for the length expansion and contraction of the height adjustment cylinder 370 An air compressor (not shown) or a fluid pump (not shown) and a fluid tank (not shown) may be further provided. The air compressor or the fluid pump may be applied to be driven by the power supplied from the outside, but may also be applied to receive the electric energy generated by the photovoltaic module 10.

In addition, the driving of the air compressor or the fluid pump is controlled by a controller for controlling the length expansion and contraction of the height adjustment cylinder.

In the offshore photovoltaic device 5 according to the fifth embodiment of the present invention, one end of the second pivotal support frame 26 is movable along the sliding groove 32 such that the base frame unit 30 may be formed by waves or external force. It is possible to reduce the width of the position change of the photovoltaic module due to the height change or the tilt change of the solar cell has an advantage that can be made stably.

As described above, the water photovoltaic device according to the present invention as described above may be fixed by being connected to a wire for fixing the position to the artificial reef 7 seated on the bottom of the water, as shown in FIG. As shown in FIG. 11, the bracket 9 inserted into the bottom surface and surrounding the support pile 8 extending in the vertical direction may be coupled to the base frame unit 30 and fixed in position. Alternatively, the water photovoltaic device according to the present invention may be applied to a fixed position by being connected to a wire for fixing the position to the structure 6 installed on the land such as a port or a harbor.

In addition, when the water photovoltaic device according to the present invention is connected to the artificial reef, the fixing wire (a) for fixing the position so that the tension of the fixing wire (a) connected with the artificial reef at the time of lifting according to the water level is maintained It may further include a tension maintaining bobbin (not shown) that can be wound or unwound, and a bobbin driving motor (not shown) that is rotated by the tension maintaining bobbin and controlled by a control unit. The control unit detects the water depth by a separate ultrasonic sensor (not shown) installed on one side of the base frame unit 30 to control the bobbin driving motor, or to detect the tension of sensing the tension of the fixing wire (a). The bobbin drive motor may be driven such that the fixing wire a is wound around the tension retaining bobbin when the tension value or less is set by the means. The tension detecting means may include a tension sensor (not shown) formed in a pin shape for fixing the fixing wire (a) to the tension maintaining bobbin. The tension sensor detects the degree of pulling the wire (a) and transmits it to the controller.

In addition, the water photovoltaic device 1 according to the present invention having a bracket 9 surrounding the support pile 8 has a bracket 9 is mounted to be elevated in the longitudinal direction of the support pile 8 to the water level. Therefore, it may be applied to move the position up and down.

10 to 12, although the water photovoltaic device 1 according to the first embodiment of the present invention is shown, the water photovoltaic device 2 according to the second to the fifth embodiment of the present invention (2, 3, 4, and 5 may also be applied to the fixing structure of Figures 10 to 12.

Up to now, the water-based photovoltaic device according to the present invention has been described with reference to the embodiment shown in the drawings, but this is only illustrative, and those skilled in the art have various modifications and other equivalent implementation therefrom. It will be appreciated that examples are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

1,2: water photovoltaic device
10 solar power module 12 module support frame
13: Rotating Bracket 16: Rotating Support Shaft
20: rotation support frame unit 21: first rotation support frame
26: second rotation support frame 30: base frame unit
41: fixing piece 43: support pin
45: departure prevention flange 50: floating means
60: inclination adjustment unit 61: inclination adjustment bar
62: first extension bar 63: through hole
64: support jaw 66: second extension bar
68: support pin binding groove 170: release prevention member
171: rotating housing 172: hinge coupling portion
174: support pin support 175: rotation limit rod

Claims (5)

A photovoltaic module for generating power by being irradiated with sunlight;
A rotation support frame unit to which the photovoltaic module is rotatably mounted;
A base frame unit supporting the pivot support frame unit;
Floating means coupled to the base frame unit and having buoyancy to float the base frame unit in the water phase;
An upper part is rotatably coupled to the photovoltaic module and a support pin protruding in a lateral direction orthogonal to a rotational direction from a fixing piece of the base frame unit is inserted into the lower part so as to be supported by the support pin. And a tilt adjusting unit including a plurality of support pin restraint grooves spaced apart from each other in the longitudinal direction, the tilt adjusting unit including a tilt adjusting bar for adjusting the tilt.
The support pin binding groove
An inlet is introduced in one direction of the inclination control bar corresponding to the rotation direction of the photovoltaic module, but is introduced in the width direction of the inclination control bar. The upper end of the inclination control bar parallel to the longitudinal direction of the inclination control bar. It is formed to be bent in the direction is bent and both sides corresponding to the extending direction of the support pin is formed to be introduced into the open water photovoltaic device. According to claim 1, wherein the inclination adjustment bar
A first extension having a width in a direction orthogonal to a rotational direction of the photovoltaic module or a width direction of the base frame unit, and a width in a direction crossing the first extension at one end of the first extension; Both sides of the width direction toward the longitudinal direction of the base frame unit, the upper portion is rotatably coupled to the photovoltaic module and has a second extending portion formed with a plurality of the support pin restraint groove at the bottom,
The tilt control unit
It is further provided with a departure prevention member that enters the support pin binding groove to prevent the support pin for supporting the second extension portion from being separated from the support pin binding groove when the base frame swings up and down by waves. and,
The separation preventing member
A hinge coupling part rotatably coupled in the longitudinal direction of the base frame unit to the second extension portion adjacent to an upper portion of the support pin restraint groove, and extending in a direction crossing the length of the hinge coupling part at an end of the hinge coupling part; When the hinge coupling portion rotates in the first direction to support the support plate so that the support pin is not separated from the support pin binding groove toward the first extension portion and the hinge coupling portion rotates in a direction opposite to the first direction A rotation bracket having a support pin support part facing away from the first extension part so as not to interfere with the support pin entering the support pin restraint groove;
The support pin extends in parallel to the longitudinal direction of the support part and one side is inserted into the support pin support to be constrained and the other side protrudes in a direction away from the support pin support to the elastic member mounted in the support pin support, It is supported through the through-hole formed through the extended portion to limit the rotation of the hinge coupling portion to maintain the support pin support portion to support the support pin, the support pin support portion by an external force for the rotation of the hinge coupling portion An offshore photovoltaic device comprising a rotational limiting rod which is moved in a direction adjacent to and spaced apart from the through hole. According to claim 1, wherein the inclination control unit
The screw is coupled to one side of the inclined adjustment bar corresponding to the upper side of the support pin confinement groove in the longitudinal direction of the base frame unit and is inserted into the other side of the inclination control bar through the support pin confinement groove. An anti-separation member which supports the support pin entered into the upper end of the support pin confinement groove and prevents the support pin from being separated from the support pin confinement groove when the base frame unit swings up and down by a wave; A water-based photovoltaic device characterized in that it comprises. A photovoltaic module for generating power by being irradiated with sunlight;
A rotation support frame unit to which the photovoltaic module is rotatably mounted;
A base frame unit supporting the pivot support frame unit;
Floating means coupled to the base frame unit and having buoyancy to float the base frame unit in the water phase;
An upper part is pivotally coupled to one side of the photovoltaic module and a lower part penetrates through the guide bracket pivotally coupled to the side of the base frame unit. A guide bar for preventing shaking of the power generation module, a bobbin rotatably mounted on the base frame unit, and having an end wound around the other side of the photovoltaic module, and the bobbin to rotate the photovoltaic module. A driving motor for rotating the bobbin so as to pull or release the wire, and a heavy object mounted on one end of the photovoltaic module to lower one side of the photovoltaic module when the wire is released; Is installed on one side of the photovoltaic module or the base frame unit to reduce the altitude displacement of the sun Underground photovoltaic power generation comprising a solar tracking sensor and an inclination control unit having a control unit for controlling the rotation direction and the rotation angle of the drive motor receives the altitude value of the sun from the solar tracking sensor. Device. The method of claim 4, wherein the rotation support frame unit
A first rotation support frame having one end fixed to the longitudinal front side of the base frame unit and the other side extended to support a rotation support shaft supporting the rotation of the photovoltaic module;
One end is mounted to a sliding groove extending in the longitudinal direction of the base frame unit at a position spaced to the rear side with respect to one end of the first pivot support frame on the side of the base frame unit is movable in the longitudinal direction of the base frame unit The other side extends to support the rotating shaft together with the first pivot support frame so that one end is lowered when the photovoltaic module moves in the direction away from one end of the first pivot support frame. A second pivotal support frame,
At least one sensor for detecting a height change or a horizontal change of the base frame by waves and transmitting a detection signal to the controller;
One side is fixed to the side of the base frame between the first pivot support frame and the sliding groove, and the rod mounted on the other side is connected to one end of the second pivot support frame to change the height of the base frame or the horizontal by waves It is provided with a height adjustment cylinder for moving the one end of the second pivotal support frame along the longitudinal direction of the base frame so that the length of the second rotation support frame to reduce the height fluctuation range of the photovoltaic module when it is changed by the control of the controller. Water photovoltaic device

Images