KR20140030484A - Solar power generation device for light pole - Google Patents

Abstract

The present invention relates to a photovoltaic device for light poles which comprises: a fixed part fixed to the face of the exterior wall of the light pole by a connecting part; a supporting part extended vertically; multiple solar cell panels which are installed on the front or back surface of the supporting part in vertical direction having space between each other, and collects solar light to generate electricity.

Description

[0001] The present invention relates to a solar power generation device,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a solar power generator for a streetlight, and more particularly, to a solar power generator for a streetlight which is installed in a streetlight lamp and supplies electricity to a lamp installed in a street lamp.

In general, a street light installed on the roadside includes a timer for supplying electric power such that the lamp is lighted for a predetermined time using electric power supplied from commercial power as a power source, a central control device for supplying electric power to be turned on or off at a predetermined time Or the like, and illuminates a lamp having a high-pressure mercury, fluorescent material, sodium or the like as a light source, thereby illuminating the adjacent surface of the lamp to a certain degree or higher.

However, in the conventional street lamp, since the electric power consumption due to the long-time use is large, a street light including a solar cell installed to install the solar cell to supply electricity to the lamp was installed.

The street lamp in which the solar cell is installed is provided with a plate-shaped battery panel having a plurality of solar cells installed on the back of the case, and a battery for charging the electricity generated through the battery panel is installed in the case. The lamp of a street lamp emits electricity through the electricity charged in the battery.

However, the street lamp in which the solar cell is installed is disadvantageous in that the solar cell module is protruded on the upper side of the spine so that the aesthetic appearance is damaged and installation is troublesome. Korean Utility Model Application No. 20-2012-0000811 discloses an LED streetlight provided with a solar cell installed in a streetlight.

The LED streetlight includes a streetlight lamp made of wood, a photovoltaic module installed in a polygonal shape on an outer wall of the streetlight, an inverter for converting electrical energy obtained from the solar module into a voltage, A control unit connected to the battery, the photovoltaic module, the battery, and the LED lighting lamp to control the charging of the LED lighting lamp and the charging / discharging of the battery; an LED lighting lamp connected to the lower support and the upper support connected to the LED; .

However, the LED street lamp has a disadvantage in that the solar module is fixed on the outer wall of the street lamp, so that it can not track the movement of the sun due to the time change, thereby limiting the collection amount of the sunlight and the power generation efficiency.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a solar power generator for a lantern installed in a backlight of a streetlight and equipped with a rotating means for rotating the solar cell in accordance with the movement of the sun have.

The columnar photovoltaic device according to the present invention for achieving the above object is a fixture fixed to the outer wall surface of the column by the connecting portion, the support is installed in the fixture, extending in the vertical direction, and the support It is installed spaced apart from each other in the vertical direction on the front or rear, and has a plurality of solar panels for generating electricity by collecting sunlight.

The support may further include a driving unit that is installed on the fixture so as to be rotatable about a center line extending in the up and down direction and rotates the solar cell panel along a circumferential motion of the sun.

The present invention also provides a solar power generator for a street lamp, comprising: a plurality of reflectors installed on the support between the solar panels adjacent to each other to reflect sunlight incident therebetween to the solar cell panel; Respectively.

The supporting member is fixed to the fixing member and extends in the vertical direction. The supporting panel is provided with the solar cell panel and is spaced apart from each other along the vertical direction on the front surface or the rear surface of the fixing panel. And a plurality of support panels extending obliquely at a predetermined angle with respect to the extending direction of the panel and provided with first light transmitting apertures penetrating in the vertical direction, wherein the solar cell panel receives the sunlight incident on the upper and lower surfaces thereof, A light receiving portion is formed on each of upper and lower surfaces of the support panel so that the lower surface of the light receiving portion is exposed through the first light transmission hole and is installed on the fixed panel between the support panels, And a plurality of reflectors that reflect sunlight and enter the lower surface of the solar cell panel through the first light transmitting aperture.

In addition, the support may include a plurality of second light transmitting apertures formed in the back and forth direction at positions spaced apart from each other in the vertical direction, and may receive the sunlight incident on the front and rear surfaces of the solar cell panel, And a light receiving portion may be formed on the front and rear surfaces, respectively, and the front or rear surface may be exposed to the outside through the second light transmitting opening.

Meanwhile, the solar cell generator for a street lighting according to the present invention is characterized in that it is provided on the front and rear surfaces of the support between the second light transmission apertures, and reflects sunlight incident on the support between the second light transmission apertures, And may further include a plurality of first and second reflecting members for making incident on the solar cell panel.

The photovoltaic panel is provided with light receiving portions on the front and back surfaces thereof so as to receive the sunlight incident on the front and rear surfaces of the solar cell panel, Wherein an opening is formed in the front surface of the solar cell panel so that the sunlight can be incident on the solar cell panel and an inner surface of the solar cell panel facing the rear surface of the solar cell panel reflects the solar light incident on the receiving space, A reflecting surface may be formed so as to be incident on the rear surface of the solar cell panel.

The support body includes first and second horizontal bars which are provided inside the fixture so as to be rotatable about the center line and extend in a direction intersecting the center line and are spaced apart from each other along the vertical direction, First and second vertical bars fixed to the first and second horizontal bars and mutually spaced apart from each other by a distance corresponding to the width of the solar cell panel and fixed to the first and second vertical bars, And a plurality of support members disposed to be spaced apart from each other along the vertical direction and supporting the solar cell panel at an angle such that the lower end thereof is farther away from the first and second vertical bars than the upper end, The upper and lower ends of which are respectively fixed to the first and second vertical bars and extend downwardly and the lower ends thereof are fixed to the first and second vertical bars, The first inclined bar being inclined so as to be spaced apart from the second vertical bar and the other end being fixed to the lower end of the first inclined bar so as to support the first inclined bar, A second reinforcing bar fixed to the outer circumferential surface of the second vertical bar, one end of which is fixed to the lower end of the second inclined bar so as to support the second inclined bar, 1 and the second tilting bar and may have spacing bars formed at both ends thereof corresponding to the distance between the first and second tilting bars and fixed to the first and second tilting bars, respectively have.

In order to concentrate the sunlight incident through the openings into the solar cell panel, a plurality of condensing patterns Fresnel having a plurality of condensing patterns are disposed in the openings of the fixture, It is preferable to further include a lens.

Wherein the fixing member is fixed to the outer circumferential surface of the spigot extending in the vertical direction and has a rail formed on the outer circumferential surface and extending along the circumferential direction of the spigot, And a rotary member on which a support is installed.

Wherein the fixing member is formed in an annular shape with a hollow to which the rim is inserted, the rails extend to form a closed curve along the circumferential direction of the rim, the rotating member is supported by the rails by a supporting unit, An insertion port is formed so as to penetrate in a vertical direction so as to be inserted with a lug, and it is preferable that the driving unit rotates around the ridge along the rail. ,

Meanwhile, the solar power generating apparatus according to the present invention includes a solar light tracking sensor installed on at least one of the solar cell panel and the fixture to detect the position of the sun, And a control unit for controlling the driving unit by calculating a rotation angle of the rotation shaft according to the circumferential movement of the sun on the basis of the position information of the rotation axis.

In addition, the photovoltaic solar power generation device according to the present invention is installed on each of the fixed plate fixed to the column, and the fixed plate at positions spaced apart from each other along an annular curve having a predetermined radius relative to the column. A plurality of light quantity sensor for measuring the amount of light, and based on the light quantity information of the sunlight measured from the light quantity sensor to control the drive unit to direct the solar cell panel to the position where the maximum light quantity of the light quantity sensor is measured A control unit may be further provided.

The present invention provides a solar power generating apparatus for a street lighting device, which is installed in a streetlight of a streetlight, is capable of generating electricity through sunlight incident on the streetlight and supplying the streetlight to the streetlight, There is an advantage that the generation amount can be increased by rotating the solar panel according to the movement of the sun.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a streetlight equipped with a solar power generating apparatus according to an embodiment of the present invention,
FIG. 2 is a perspective view of a support of a light-emitting type solar cell apparatus according to another embodiment of the present invention,
FIG. 3 is a perspective view of a support of a light-emitting type solar cell apparatus according to another embodiment of the present invention,
FIG. 4 is a perspective view of a support of a light-emitting type solar cell apparatus according to another embodiment of the present invention,
FIG. 5 is a perspective view of a streetlight provided with a light-emitting type solar cell apparatus according to another embodiment of the present invention,
FIG. 6 is an exploded perspective view of the solar cell apparatus of FIG. 5,
7 is a cross-sectional view of the solar power generating apparatus of Fig. 5,
FIG. 8 is a flowchart showing the operation of the control unit of the solar power generation apparatus of FIG. 5,
FIG. 9 is a cross-sectional view of a solar cell apparatus according to another embodiment of the present invention,
FIG. 10 is a perspective view of a solar power generation apparatus according to another embodiment of the present invention,
11 is a cross-sectional view of the solar power generation apparatus of Fig. 10,
FIG. 12 is a perspective view of a solar power generating apparatus according to another embodiment of the present invention. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a light emitting device according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

A canopy-type solar power generation apparatus 10 according to an embodiment of the present invention is shown in Fig.

Referring to the drawings, the columnar photovoltaic device 10 is fixed to the outer wall surface of the column 15 by the connecting portion 20, and is installed on the fixture 20, extending in the vertical direction The support 30 and the support 30 are installed to be spaced apart from each other in the vertical direction, and have a plurality of solar cell panels 40 that collect electricity to generate electricity.

The fixing member 20 is formed in an annular shape having a hollow into which the spiral groove 15 is inserted and is fixed to a position spaced apart from each other along the vertical direction of the spiral groove 15. [ Although not shown in the drawing, the connecting portion is formed on one side of the fixing member 20 so that the fixing member 20 can be fixed to the leg 15 by the fixing bolt, and the fixing bolt is provided with a through- And has a plurality of fixing pieces.

The support 30 is formed in a plate shape having a predetermined thickness and is formed to extend in the vertical direction. The upper and lower ends of the support 30 are fixed to the outer peripheral surfaces of the fixing bodies 20, respectively. Further, it is preferable that the support bodies 30 are respectively fixed to the fixed body 20 such that a plurality of the support bodies 30 are opposed to each other around the ridge 15.

The solar panels 40 are installed on the front surface of the support 30 and are spaced apart from each other along the vertical direction. The solar cell panel 40 is composed of a plurality of solar cells to receive incident solar light and generate electricity.

On the other hand, FIG. 2 shows a back lighting photovoltaic apparatus 50 according to another embodiment of the present invention.

Elements having the same functions as those in the previous drawings are denoted by the same reference numerals.

Referring to the drawings, a solar cell generator 50 is installed on a front surface of a support 30 between solar panels 40 adjacent to each other, And a plurality of reflectors (51) reflecting the light to the battery panel (40).

The reflector 51 extends in a length corresponding to the horizontal width of the support body 30 and is formed into a triangular prism shape having a reflecting surface on its upper surface. At this time, it is preferable that the reflection surface is formed to be inclined with respect to the extending direction of the support body 30 so that incident sunlight can be reflected on the entire surface of the solar cell panel 40. The sunlight incident on the support 30 between the solar panels 40 is reflected by the reflecting surface of the reflector 51 and is incident on the solar cell panel 40. This increases the amount of sunlight incident on the solar cell panel 40 Thereby improving the power generation efficiency.

Meanwhile, FIG. 3 shows a back light PV system 100 according to another embodiment of the present invention.

Referring to the drawings, a solar cell generator 100 includes a support 110 that supports the solar panels 130 in an inclined relation with respect to the longitudinal direction of the backbone, A plurality of reflectors 120 are installed so as to reflect light.

The supporting body 110 is fixed to the fixing body 20 and includes a fixed panel 111 extending vertically and a solar cell panel 130 provided on the fixed panel 111, And a reinforcing member 113 for reinforcing the support panel 112. The reinforcing member 113 includes a plurality of reinforcing members 113,

The fixed panel 111 is formed in a plate shape having a predetermined thickness and is formed to extend in the vertical direction. The upper and lower ends of the support 110 are fixed to the outer circumferential surfaces of the fixtures 20, respectively. Further, it is preferable that the support bodies 110 are fixed to the fixed body 20 such that a plurality of the support bodies 110 are opposed to each other around the ridge 15.

The support panel 112 is installed on the front surface of the support panel 112 so as to be spaced apart from each other along the vertical direction and is fixed on the upper surface of the solar panel 130, It is preferable to be inclined so as to be away from the support panel 112 toward the downward direction. A first light transmission hole 114 is formed in the support panel 112 so as to penetrate in the vertical direction. At this time, it is preferable that the first light transmission hole 114 is extended in the left and right direction by a predetermined length so that the bottom edge of the solar cell panel 130 can be supported on the support panel 112.

A plurality of reinforcement members 113 are provided and one end of the reinforcement member 113 is fixed to the fixed panel 111 and the other end of the reinforcement member 113 is provided at the lower end edge of the support panel 112, To support the support panel (112).

The reflector 120 is installed on the fixed panel 111 between the support panels 112 and extends in a length corresponding to the horizontal width of the support 110 and is formed into a triangular prism do. At this time, it is preferable that the reflection surface is formed to be inclined with respect to the extending direction of the support body 110 so that incident sunlight can be reflected to the first light transmission hole 114.

At this time, the photovoltaic panel 130 has light receiving portions formed on the upper and lower surfaces thereof so as to receive sunlight from the upper surface as well as the lower surface thereof. Although not shown in the drawing, the solar cell panel 130 includes a plurality of double-sided light receiving solar cells and a light transmitting glass member for fixing the positions of the solar cells.

The double-sided light receiving solar cell of the solar panel 130 has a structure in which N (negative) type semiconductor and P (positive) type semiconductor having different electrical properties are alternately joined to each other. And has a structure capable of photovoltaic generation.

The sunlight incident between the support panels 112 is reflected by the reflecting surface of the reflector 120 and is incident on the lower surface of the solar cell panel 130 through the first light hole 114, ) Is generated through sunlight incident on the rear surface. As described above, the solar cell panel 130 is provided with a light receiving surface on its upper and lower surfaces, so that it is generated by solar light incident on the upper surface thereof, and the lower surface thereof is generated by solar light reflected by the reflector 120, Can be improved.

Meanwhile, FIG. 4 shows a back light photovoltaic device 150 according to another embodiment of the present invention.

Referring to the drawings, a plurality of second light transmitting apertures 152 are formed in a supporting body 151 of a canopy photovoltaic device 150. The support 151 is formed in a plate shape having a predetermined thickness and is formed to extend in the vertical direction. The upper and lower ends of the support 151 are respectively fixed to the outer peripheral surfaces of the fixtures 20. Further, it is preferable that the support bodies 151 are fixed to the fixed body 20 such that a plurality of the support bodies 151 are opposed to each other around the ridge 15.

The second light transmission apertures 152 are formed at positions spaced apart from each other in the vertical direction on the support 151. The second light transmission apertures 152 are formed in a predetermined length in the left and right direction and the area of the solar cell panel 130 As shown in FIG.

The supporting member 151 is fixed to a fixing groove through which the edge of the solar cell panel 130 is inserted and fixed along the edge of the second through hole so that the solar cell panel 130 can be installed in the second through hole 152 153 are formed.

At this time, the photovoltaic panel 130 has light receiving portions formed on the upper and lower surfaces thereof so as to receive sunlight and generate electricity from the rear surface as well as the front surface. Although not shown in the drawing, the solar cell panel 130 includes a plurality of double-sided light receiving solar cells and a light transmitting glass member for fixing the positions of the solar cells.

In addition, first and second reflecting members 154 and 155 are provided on the front and rear surfaces of the municipality between the second light transmitting members 152, respectively. The first and second reflective members 154 and 155 extend in a length corresponding to the horizontal width of the support 151 and are formed in a triangular prism shape having a reflective surface on the upper surface. At this time, it is preferable that the reflecting surface is formed to be inclined with respect to the extending direction of the supporting body 151 so that incident sunlight can be reflected to the second light transmitting opening 152. A plurality of first and second reflective members 154 and 155 are provided along the vertical direction.

As described above, since the support 151 is provided with the double-sided light receiving solar panel 130, solar light incident on the front and rear surfaces of the support 151 can be received and power can be generated without moving the support 151 The sunlight incident into the solar cell panels 130 through the first and second reflection members 154 and 155 is incident on the solar cell panel 130, which is advantageous in further increasing the power generation efficiency.

5 to 7 show a solar power generation apparatus 200 according to another embodiment of the present invention.

Referring to the drawings, the photovoltaic device 200 for the columnar is fixed to the outer wall surface of the column 15 by the connecting portion 224 and extending in the vertical direction to the fixture 220 A support body 230 rotatably installed based on a center line, a plurality of solar cell panels 440 installed on the support body 230 to be spaced apart from each other along the center line and collecting electricity to generate electricity, and the sun. A driving unit 250 for rotating the solar panel 440 along the circumferential motion of the.

The fixture 220 is provided with an internal space 221 inside the support member 230 and the solar panel 440 so as to be vertically extended. The front surface of the fixing body 220 is formed with an opening opening 222 opened so that sunlight can easily enter into the internal space 221. The opening 222 extends vertically in correspondence with the vertical length of the fixing body 220 and extends along the circumferential direction. At this time, it is preferable that the opening 222 extends in the circumferential direction along an arc having an angle of 180 degrees with respect to the center of the fixing body 220.

The fixing body 220 has a reflection surface 223 so as to reflect the sunlight incident on the inner side of the rear side facing the rear surface of the solar cell panel 440 and to enter the rear surface of the solar cell panel 440 Lt; / RTI > The reflection surface 223 may be formed by coating an inner surface of the rear side of the fixing body 220 with an aluminum foil or fixing a mirror member formed to be curved in correspondence with the inner side curvature of the rear side of the fixing body 220 have.

The connecting portion 224 fixes the fixing body 220 to the outer circumferential surface of the case 15 and includes a plurality of brackets respectively installed at positions spaced apart from each other in the vertical direction on the outer peripheral surface of the fixing body 220 Respectively. The bracket is provided with a hollow to allow the leg 15 to be inserted therein, and is formed into an annular shape having one end cut out. The bracket is provided with a flange member extending in a direction away from the center of the hollow at both ends of the hollow, and the flange member is formed with a through hole so that a fixing means such as a bolt can be inserted. The operator installs the bracket so that the lug 15 is inserted into the hollow of the bracket, then passes the bolt through the through hole of the flange members, and fastens the nut to the end of the bolt to fix the bracket to the lug 15. The connecting portion 224 is not limited to this, but may be anything as long as it can fix the fixing body 220 to the case 15 such as welding.

The support body 230 includes first and second horizontal bars 31 and 32 vertically spaced from each other in the fixing body 220 and opposite ends fixed to the first and second horizontal bars 31 and 32, First and second vertical bars 233 and 234 are spaced from each other by a distance corresponding to the width of the battery panel 440 and the solar cell panel 440 is fixed to the first and second vertical bars 233 and 234, And a plurality of support members 235 provided on the support member 235.

The first horizontal bar 231 extends along the radial direction of the fixing body 220, and a first rotary shaft 236 protruding upward is formed at the center of the upper surface. The first rotation shaft 236 is formed in a round bar shape having a predetermined outer diameter and is rotatably installed in a central portion of an upper surface of the fixing body 220 in a vertical direction and the upper end is connected to the driving unit 250. At this time, it is preferable that the first horizontal bar 231 is formed to have a length corresponding to the width of the solar cell panel 440 or longer.

The second horizontal bar 232 extends in a direction parallel to the longitudinal direction of the first horizontal bar 231, and a second rotary shaft 237 protruding downward is formed at the center of the lower horizontal bar 232. The second rotation shaft 237 is formed in a round bar shape having a predetermined outer diameter and is rotatably installed at a central portion of the bottom surface of the fixing body 220. At this time, the second horizontal bar 232 may be extended to a length corresponding to the length of the first horizontal bar 231.

The first vertical bar 232 is fixed to one end of each of the first and second horizontal bars 31 and 32 at both ends, and extends in the vertical direction. The second vertical bar 34 extends in parallel with the first vertical bar 232 and has both ends fixed to the other ends of the first and second horizontal bars 31 and 32. At this time, the first and second vertical bars 233 and 234 may be spaced apart from each other along the longitudinal direction of the first horizontal bar 231 by a distance corresponding to the width of the solar cell panel 440.

The support members 235 are spaced apart from each other along the vertical direction on the first and second vertical bars 233 and 234. The lower end of the solar cell panel 440 is connected to the first and second vertical bars 233 and 234, As shown in Fig.

The support member 235 includes first and second tilting bars 238a and 38b provided on the first and second vertical bars 233 and 234 and a first and second tilting bars 238a and 238b that reinforce the first and second tilting bars 238a and 238b 1 and the second reinforcing bars 238c and 38d and the gap between the first and second tilting bars 238a and 38b to maintain the spacing between the first and second tilting bars 238a and 238b Bar 238e.

The upper end of the first inclined bar 238a is fixed to the first vertical bar 232 and extends downward. At this time, it is preferable that the first inclined bar 238a is inclined so that the lower end thereof is spaced forward from the first vertical bar 232. [

The second inclined bar 238b is fixed to the second vertical bar 34 whose upper end is opposite to the upper end of the first inclined bar 238a and extends downward. At this time, it is preferable that the second inclined bar 238b is formed to be inclined in parallel with the first inclined bar 238a. The solar cell panel 440 is fixed to the outer peripheral surfaces of the first and second tilting bars 238a and 38b constructed as described above.

The first reinforcing bar 238c extends in a direction orthogonal to the first vertical bar 232 and has one end fixed to the lower end of the first inclined bar 238a and the other end fixed to the outer peripheral surface of the first vertical bar 232 . The first reinforcing bar 238c is provided to prevent the first inclined bar 238a from being deformed due to the weight of the solar cell panel 440 when the solar cell panel 440 is fixed to the first inclined bar 238a 1 slope bar 238a.

The second reinforcing bar 238d extends in a direction orthogonal to the second vertical bar 34 and has one end fixed to the lower end of the second inclined bar 238b and the other end fixed to the outer peripheral surface of the second vertical bar 34 . The second reinforcing bar 238d is provided with a second inclined bar 238b to prevent the second inclined bar 238b from being deformed by the weight of the solar cell panel 440 fixed to the second inclined bar 238b .

The gap maintaining bar 238e extends in a direction parallel to the first horizontal bar 231 and has a length corresponding to the distance between the first and second inclined bars 238a and 38b. Both ends of the gap maintaining bar 238e are fixed to the lower ends of the first and second tilting bars 238a and 38b to maintain the gap between the first and second tilting bars 238a and 38b.

The solar panel 440 has light receiving portions formed on the front and back surfaces thereof so as to receive and generate solar light from the front surface as well as the rear surface. Although not shown in the drawing, the solar cell panel 440 includes a plurality of double-sided light receiving solar cells and a light-transmitting glass member for fixing the positions of the solar cells.

The double-sided light receiving solar cell of the solar cell panel 440 has a structure in which N (negative) type semiconductors having different electrical properties and P (positive) type semiconductors are alternately joined together. And has a structure capable of photovoltaic generation. The solar panels 440 according to the present invention constructed as described above are fixed to the support members 235 provided on the first and second vertical bars 233 and 234, 15 (not shown).

The driving unit 250 includes a driving motor 251 provided on the upper surface of the fixing body 220. The driving shaft of the driving motor 251 is axially coupled to the first rotating shaft 236 of the first horizontal bar 231 to rotate the supporting body 230. The drive motor 251 is installed in a battery installed in the case 15 and is supplied with power.

Meanwhile, the solar cell generator 200 according to the present invention further includes a solar tracking sensor 260 and a controller 270 to track the sun in accordance with the circling motion of the sun. 8 is a block diagram of the solar tracking sensor 260 and the controller 270. As shown in FIG.

Referring to the drawing, the solar tracking sensor 260 is installed on the upper surface of the solar cell panel 440 or the fixture 220 adjacent to the opening 222 to track the position of the sun. At this time, the solar tracking sensor 260 measures the position of the sun at predetermined time intervals and transmits the sun position information to the controller 270. The controller 270 controls the driving unit 250 based on the sun position information received from the solar tracking sensor 260 and calculates the rotation angle of the sun according to the circumferential movement of the sun.

The solar power generation apparatus 200 configured as described above is required to have a relatively small installation area because the solar panel 440 is arranged in the vertical direction so that even when installed in a structure such as a spine 15 of a streetlight, Can be minimized.

The solar cell power generation apparatus 200 includes a solar cell panel 440 provided with light receiving portions on the front and rear sides of the solar cell panel 440. The solar cell panel 440 includes a front surface 223, And the solar light reflected through the solar cell panel 440 is received through the rear surface of the solar cell panel 440, so that power generation efficiency can be improved. Particularly, the solar power generator 200 for lounging has an advantage of increasing the power generation amount of the solar cell panel 440 by rotating the solar cell panel 440 by tracking the position of the sun according to the movement of the sun.

9, a back light solar power generation apparatus 310 according to another embodiment of the present invention is shown.

Referring to the drawing, the fixing body 311 is formed in a polygonal structure, and an opening having a rectangular structure is formed on the front surface. At this time, the solar panel 440 and the support body 230 are installed such that the solar panel 440 is positioned at the central portion of the interior of the fixture 311, and the fixture 311 is mounted on the rear surface A reflecting portion 320 is provided on the wall surface so as to reflect sunlight incident inside.

The reflector 320 is formed at a central portion of the inner wall of the rear wall and includes a first reflector 321 extending in parallel with the opening and a second reflector 321 extending from both ends of left and right sides of the first reflector 321, A second reflecting member 322 formed to be inclined at a first angle with respect to a center line of the opening so as to be adjacent to the opening of the opening, a second reflecting member 322 extending from the end of the second reflecting member 322, Each of the walkers has third reflection members 323 formed at an inclined angle with a small second angle. At this time, the fixing body 311 is formed so as to correspond to the second to third reflection members 323 inclined with respect to the center line of the opening so that the inner wall face of the rear face can easily be provided with the first to third reflection members 323 And it is preferably formed in a rectangular cross section. The first to third reflection members 323 may be formed by coating aluminum foil on the inner surface of the rear surface of the fixing member 311 or may be formed of a reflection plate of a material having high reflectance.

Meanwhile, the solar cell generator 310 according to the present invention further includes a Fresnel lens 330 provided in the opening and provided with a plurality of condensing patterns 331 for collecting sunlight. The Fresnel lens 330 focuses the sunlight on the solar cell panel 440 located at the center of the fixing member 311 to improve the power generation efficiency of the solar cell panel 440.

It is preferable that the Fresnel lens 330 can improve the focus characteristic by removing a factor that hinders the condensation of light such as spherical aberration, astigmatism, and distortion aberration in the solar cell panel 440. And has a positive power so that the focusing pattern of the Fresnel lens 330 can focus sunlight on the solar cell panel 440.

The solar light incident on the opening of the fixing member 311 is focused on the solar cell panel 440 by the Fresnel lens 330 and the light or scattered light or indirect light off the solar cell panel 440 passes through the fixing member 311 And is incident on the rear surface of the solar cell panel 440. The reflection surface 320 of the solar cell panel 440 may be a reflective surface. As described above, the solar light is focused on the front surface of the solar panel 440 through the Fresnel lens 330 to increase the ratio of sunlight incident on the front surface of the solar panel 440, The power generation efficiency of the sunlight can be increased.

10 and 11 illustrate a solar power generating apparatus 400 according to another embodiment of the present invention.

Referring to the drawings, the columnar photovoltaic device 400 is a fixture 410 fixed to the outer wall surface of the column 15 by a connecting portion, and the support 220 is rotatably installed on the fixture 410 And a plurality of solar cells 440 installed on the support 220 along the center line and collecting electricity to generate electricity, and the solar cells 440 along the circumference of the sun. ) Is provided with a driving unit 430.

The fixing body 410 is formed in an annular shape provided with a hollow into which the ridge 15 is inserted and includes a fixing member 415 having a rail 411 formed on an upper surface thereof and a fixing member 415 fixed to the fixing body 410 (Not shown).

Although not shown in the drawing, the connection portion is formed on one side of the fixing member 415 so as to fix the fixing member 415 to the ridge 15 by the fixing bolt, and the through hole is provided so that the fixing bolt can be inserted therethrough And has a plurality of fixing pieces. The rail 411 is formed in an annular shape forming a closed curve along the circumferential direction of the ridge 15 so that the support body 220 can rotate around the ridge 15.

The rotary member 416 is supported by the rail 411 by a support unit and is formed in an annular shape having an insertion hole penetrating in the vertical direction so that the ridge 15 is inserted into the center portion. The support unit has a plurality of rail wheels 423 mounted on the lower surface of the rotary member 416 at a position opposite to the rail 411 so that the rotary member 416 can be easily rotated along the rail 411.

The rail wheel 423 has a fixed bar 424 and a main roller 425. The lower end of the fixing bar 424 is branched at an interval corresponding to the width of the rail 411 so that the lower end of the fixing bar 424 can be partially inserted into the upper end of the rail 411. The main roller 425 is rotatably installed on the fixing bar 424 and contacts the rail 411 and rotates along the upper surface of the rail 411.

Further, the rotary member 416 is provided with an extension member 427 extending downward at the edge thereof. The extension member 427 extends along the edge of the rotary member 416 and forms a closed curve. A plurality of first support bars 426 are installed on the outer peripheral surface of the extension member 427. The first support bars 426 are fixed to the outer circumferential surface of the rotary member 416 at mutually opposed positions with respect to the insertion port, and extend in a direction away from the rotary member 416.

The supporting member 220 is fixed to the rotating member 416 and extends in a direction away from the fixing body 410 so that the solar cell panel 440 can be installed.

A plurality of supporting members 220 are respectively installed on the fixing member 415 at positions where the supporting members 220 are opposed to each other with respect to the insertion port, and the upper end portion is fixed to the first supporting bar 426. The support body 220 extends in a direction away from the fixing body 410 and is formed in a plate shape extending in the vertical direction.

The solar panel 440 is installed on the upper and lower outer side surfaces of the installation panel 222 and generates electricity through incident sunlight. On the other hand, although not shown in the drawing, it may be provided at an angle to the installation panel 222 so as to improve the light receiving rate with respect to the sun.

Meanwhile, the support member 220 and the solar cell panel 440 are not limited to those shown in FIGS. 10 and 11 but may be formed of the support and solar cell panel structures shown in FIGS. 2 to 4.

The driving unit 430 includes a bearing 431 fixed to a shoulder 15 at a position opposite to a lower end of the mounting panel 222 and a bearing 431 fixed to the bearing 431. The lower end of the mounting panel 222 A rotating motor 436 for generating a rotating force and a power transmitting portion for transmitting the rotating force of the rotating motor 436 to the driving body 432. [

The driving body 432 is installed on the bearing 431 so as to be rotatable around the spindle 15, and is formed in an annular shape. A plurality of second support bars 437 are fixed on the upper outer circumferential surface so that the lower ends of the installation panels 222 can be respectively fixed. The second supporting bars 437 are fixed to the driving bodies 432 at positions mutually opposed to each other about the ridge 15 and extend in a direction away from the driving body 432 so that the lower end of the mounting panel 222 .

The power transmission portion includes a first engagement member 434 having a plurality of gears disposed along the circumferential direction of the ridge 15 on the outer circumferential surface of the drive body 432 and a second engagement member 434 engaged with the first engagement member 434, And a second engaging member 435 fastened to the driving body 432 of the second engaging member 436.

The rotary motor 436 is fixed to the spindle 15 and generates a rotational force by a power source applied from the outside. Although not shown in the drawing, the rotating motor 436 is controlled by the controller 270 to rotate the driving body 432 so that the solar panel 440 rotates along the circumferential movement of the sun.

12, a back light solar power generating apparatus 500 according to another embodiment of the present invention is shown.

Referring to the drawings, a pivoting solar power generation apparatus 500 includes a fixing plate 501 and a plurality of light amount detection sensors 502 instead of a solar tracking sensor.

The fixing plate 501 is formed in an annular shape provided with a hollow into which the spigot 15 is inserted and is not shown in the figure but is bolted to the spigot 15 by bolts. The light amount detection sensors 502 are respectively installed on a fixing plate 501 spaced apart from each other along an annular curve having a predetermined radius with respect to the case 15 to measure the amount of sunlight. At this time, it is preferable that the light amount sensors 502 are formed on the outer circumferential surface of the fixing plate 501 so as to be spaced apart from each other along the circumferential direction.

The control unit 503 controls the driving unit 430 to direct the solar panel to the position where the maximum amount of light is detected among the light amount detecting sensors 502 based on the light amount information of the solar light measured from the light amount detecting sensors 502. [

Since the position where the maximum amount of light is incident is detected through a plurality of light amount detecting sensors 502 installed along an annular curve centered on a circumference, the structure is simple and the time and cost required for manufacturing can be saved.

Although the present invention has been described with reference to the embodiments illustrated in the drawings, these are merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments thereof are possible.

Accordingly, the true scope of protection of the present invention should be determined only by the appended claims.

10: Photovoltaic power generator
20:
30: Support
40: Solar panel
51: reflector
111: Fixed Panel
112: Support panel
113: reinforcing member
114: first light transmitting aperture
152: second light transmitting aperture
153: Fixing groove
154: first reflection member
155: second reflection member

Claims (13)

A fixing body fixed to the outer wall surface of the rim by the connecting portion;
A support installed in the fixing body and extending in a vertical direction;
It is installed spaced apart from each other in the vertical direction on the front or rear of the support, a solar cell apparatus for a column, characterized in that it comprises a plurality of solar panels for generating electricity by collecting sunlight.
The method of claim 1,
The support is installed on the fixture rotatably based on the center line extending in the vertical direction,
And a driving unit for rotating the solar panel along a circumferential motion of the sun.
3. The method according to claim 1 or 2,
And a plurality of reflectors installed on the support between the solar panels adjacent to each other and reflecting the sunlight incident between the solar panels to the solar cell panel. Generator.
3. The method according to claim 1 or 2,
The support is fixed to the fixing body, the fixing panel extending in the vertical direction,
The solar panel is installed, which is installed on the front or rear of the fixed panel spaced apart from each other in the vertical direction, extending inclined at a predetermined angle with respect to the extending direction of the fixed panel, the first light penetrated in the vertical direction It has a plurality of support panels provided with a transmission hole,
Wherein the solar cell panel is provided with a light receiving portion on its upper and lower surfaces so as to receive the sunlight incident on the upper and lower surfaces thereof, respectively, and the lower surface thereof is exposed to the outside through the first light transmitting port,
And a plurality of reflectors provided on the fixed panel between the support panels and reflecting the sunlight incident between the support panels and entering the lower surface of the solar cell panel through the first light transmission hole A solar power generator for lounging.
3. The method according to claim 1 or 2,
The support is formed with a plurality of second light penetrating penetrating in the front and rear direction at positions spaced apart from each other in the vertical direction,
A light receiving portion is formed on the front and rear surfaces of the solar cell panel so as to receive the sunlight incident on the front and rear surfaces of the solar cell panel, and the front or rear surface is exposed to the outside through the second light transmission hole Wherein the solar cell is a solar cell.
6. The method of claim 5,
And a plurality of first and second solar cells arranged on front and rear surfaces of the support between the second light transmission apertures and reflecting sunlight incident on the support between the second light transmission apertures and entering the solar cell panel, Further comprising: a reflective member disposed on the rear surface of the light guide plate.
3. The method of claim 2,
Wherein the solar cell panel has light receiving portions formed on the front and rear surfaces thereof so as to receive the sunlight incident on the front and rear surfaces and generate electricity,
The solar cell module according to any one of claims 1 to 3, wherein the solar cell module further comprises a solar cell module Wherein the reflecting surface is formed on an inner surface of the solar cell panel facing the solar cell panel so as to reflect the solar light incident on the receiving space and to be incident on a rear surface of the solar cell panel.
8. The method of claim 7,
The support is
First and second horizontal bars rotatably installed around the center line and extending in a direction crossing the center line and spaced apart from each other in an up and down direction;
First and second vertical bars fixed to the first and second horizontal bars at opposite ends thereof and spaced apart from each other by a distance corresponding to the width of the solar cell panel;
The solar panel is fixed to the first and second vertical bars are installed to be spaced apart from each other in the vertical direction, and to support the solar panel inclined so that the lower end is farther from the first and second vertical bar than the upper end. A plurality of support members;
The support member
The solar cell module according to claim 1, wherein the first and second vertical bars are fixed to both ends of the solar cell panel in the width direction, and the upper and lower ends of the solar cell panel are fixed to the first and second vertical bars, respectively. First and second inclined bars formed obliquely;
A first reinforcing bar fixed at a lower end of the first tilting bar to one end of the first tilting bar so as to support the first tilting bar and an opposite end fixed to an outer circumferential surface of the first tilting bar;
A second reinforcing bar fixed to the lower end of the second inclined bar at one end thereof so as to support the second inclined bar and the other end fixed to the outer circumferential surface of the second vertical bar;
A gap maintaining bar extending corresponding to a distance between the first and second tilting bars to maintain a gap between the first and second tilting bars and having both ends fixed to the first and second tilting bars, respectively; And a light source for emitting light to the backlight unit.
8. The method of claim 7,
A Fresnel lens installed at an opening of the fixture and having a plurality of condensing patterns for condensing the solar light incident through the opening through the solar cell panel; Further comprising a photovoltaic power generation unit for generating photovoltaic power.
3. The method of claim 2,
The fixture
A fixing member fixed to an outer circumferential surface of the columnar extending in a vertical direction and having a rail extending along the circumferential direction of the columnar on an outer circumferential surface thereof;
And a rotating member installed on the fixing member so as to be movable along the rail and on which the support is installed.
11. The method of claim 10,
Wherein the fixing body is formed in an annular shape having a hollow for receiving the rim, the rail extending to form a closed curve along the circumferential direction of the rim,
The rotating member is supported by the support unit on the rail, the insertion hole is formed so as to penetrate in the vertical direction so that the column can be inserted, characterized in that rotates about the column along the rail by the drive unit Solar power device.
12. The method according to any one of claims 6 to 11,
A solar tracking sensor installed on at least one of the solar panel and the fixed body to detect a position of the sun;
And a controller for controlling the driving unit by calculating a rotation angle of the rotating shaft according to the circumferential motion of the sun based on the position information of the sun measured by the solar tracking sensor. Device.
12. The method according to any one of claims 6 to 11,
A fixing plate fixed to the rim;
A plurality of light quantity sensing sensors respectively installed on the fixed plates at positions spaced apart from each other along an annular curve having a predetermined radius with respect to the column;
And a controller configured to control the driving unit to direct the solar panel to a position at which the maximum light quantity of the light quantity sensors is measured, based on the light quantity information of the sunlight measured by the light quantity sensing sensors. Lantern solar power device.

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