KR20210086166A - Structure for supporting solar photovoltaic device - Google Patents

Abstract

The present invention relates to a support structure of a photovoltaic device and, more specifically, to a photovoltaic device support structure which inserts and fixes a reinforcement plate into a pillar and a frame if reinforcement is needed while manufacturing the pillar and the frame configuring a support structure by an aluminum material which is lightweight and strong against corrosion, thereby having a structure capable of responding to various design loads as well as being easily transferred and constructed. According to the present invention, the photovoltaic device support structure is installed on the ground by connecting a plurality of frames to support a solar cell module installed thereon. The frame is formed by extruding an aluminum material to have a tubular cross-section.

Description

STRUCTURE FOR SUPPORTING SOLAR PHOTOVOLTAIC DEVICE

The present invention relates to a support structure of a photovoltaic device, and more particularly, when reinforcement is required while manufacturing a pillar or frame constituting the support structure from a lightweight and corrosion-resistant aluminum material, a reinforcing plate inside the pillar or frame It relates to a photovoltaic device support structure having a structure that can respond to a variety of design loads by inserting and fixing it, as well as being easy to transport and construct.

Solar power generation is a power generation method that directly converts sunlight into electricity by means of a solar cell. Unlike conventional energy sources, solar power generation is a non-polluting energy source that does not generate greenhouse gas emissions or environmental destructive factors. In addition, various related technologies are being developed.

In general, a photovoltaic device has a structure in which a plurality of solar cell modules are fixed to an upper part of a structure made of a column or frame, and the lower part of the column or frame is fixed to a support base such as a concrete base or a roof. Republic of Korea Patent No. 10-1142898 (April 27, 2012, photovoltaic module support structure), Republic of Korea Patent No. 10-1708854 (February 15, 2017, support structure of variable inclination photovoltaic device) and Republic of Korea Patent No. 10 -1859414 (2018.05.14, photovoltaic power generation facility structure) discloses a support structure of various photovoltaic devices.

The supporting structure of such a photovoltaic device must have a strong structure to withstand the load of the solar cell module and the wind pressure received by the solar cell module, and must be firmly supported on the foundation. In particular, since the solar cell module has a large area, the wind pressure is very large in the front-rear direction toward which the solar cell module faces. Therefore, the pillar or frame constituting the structure for supporting the photovoltaic device is designed to have a large design load and is made of ferrous metal such as a steel frame or an iron frame.

However, since ferrous metals are expensive in materials and undergo a plating process after processing holes, etc. to prevent corrosion, their production is very cumbersome and takes a long time.

In addition, steel frames or steel frames are heavy, so there are many difficulties in transporting the structures manufactured in the factory to the construction site and lifting heavy objects to the construction site.

Republic of Korea Patent Registration No. 10-1142898 (April 27, 2012): Photovoltaic power module support structure Republic of Korea Patent Registration No. 10-1708854 (2017.02.15): Support structure of variable inclination solar power generation device Republic of Korea Patent Registration No. 10-1859414 (May 14, 2018): Photovoltaic power generation facility structure

The present invention has been devised in recognition of the above points, and an object of the present invention is to manufacture a pillar or frame constituting a support structure from a lightweight and corrosion-resistant aluminum material and, when reinforcement is required, reinforce the inside of the pillar or frame By inserting and fixing the plate, it is possible to respond to a variety of design loads and to provide a photovoltaic device support structure having a structure that is easy to transport and construct.

In order to achieve the above object, the photovoltaic device support structure according to the present invention is a photovoltaic device support structure manufactured by connecting a plurality of frames to support the solar cell module installed thereon and installed on the base, The frame is characterized in that it is molded by extruding an aluminum material to have a tubular cross-section.

In addition, in the support structure of the photovoltaic device according to the present invention, a fixed channel is formed in a position facing each other inside the frame, and a reinforcing plate is inserted into the frame, so that both edges of the reinforcing plate in the width direction are formed. Each end portion is fitted into the fixing channel, characterized in that the reinforcing plate is fixed.

In addition, the photovoltaic device support structure according to the present invention, the reinforcing plate is characterized in that the ferrous metal material.

In addition, the photovoltaic device support structure according to the present invention, the frame includes a pillar frame that is formed in a rectangular cross section and erected vertically, the pillar frame is fixed to the upper surface of the base by the lower end of the base connection part Doedoe, the foundation connection portion is coupled to the pillar frame with a vertical portion of each of the four angles having a 'L' shape in cross section facing each of the four sides of the pillar frame, and the horizontal portion of each angle is anchored to the base characterized in that it is coupled.

In addition, in the photovoltaic device support structure according to the present invention, two of the four angles of the base connection part are formed to have the same length as the butt side of the pillar frame and are disposed at positions facing each other, and the remaining two angles is formed to have a length longer than the buttted sides of the pillar frame, so that both ends protrude from both sides of the pillar frame and are disposed at positions facing each other.

According to the above configuration, the photovoltaic device support structure according to the present invention is made of a lightweight and corrosion-resistant aluminum material for the pillars or frames constituting the support structure, and when reinforcement is required, a reinforcement plate is installed inside the pillar or frame. By inserting and fixing it, it can respond to various design loads and has the advantage of a structure that is easy to transport and construct.

1 is a side view showing a support structure of a photovoltaic device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1; FIG.
3 is a cross-sectional view showing a cross-section of a pillar frame in a photovoltaic device support structure according to an embodiment of the present invention;
Figure 4 is a cross-sectional view showing a cross-section of a bellows frame in the photovoltaic device support structure according to an embodiment of the present invention;
5 is a cross-sectional view showing a cross-section of a cross-section frame in a photovoltaic device support structure according to an embodiment of the present invention;
6a to 6c is a view showing the structure of the base connection in the photovoltaic device support structure according to an embodiment of the present invention

Hereinafter, a photovoltaic device supporting structure according to the present invention will be described in more detail with reference to the embodiments shown in the drawings.

1 is a side view showing a support structure of a photovoltaic device according to an embodiment of the present invention, FIG. 2 is an enlarged view of part A of FIG. 1, and FIG. 3 is an embodiment of the present invention A cross-sectional view showing a cross-section of a column frame in a photovoltaic device support structure according to, Figure 4 is a cross-sectional view showing a cross-section of a longitudinal frame in a photovoltaic device support structure according to an embodiment of the present invention, Figure 5 is this It is a cross-sectional view showing a cross-section of a cross-beam frame in a photovoltaic device supporting structure according to an embodiment of the present invention, and FIGS. 6A to 6C are the structure of the base connection part in the photovoltaic device supporting structure according to an embodiment of the present invention It is the drawing shown.

Referring to the drawings, the photovoltaic device support structure according to an embodiment of the present invention is manufactured by connecting a plurality of frames 10 , 20 , 30 to support the solar cell module M installed thereon, and the base B ) is installed in Although the drawing shows an embodiment in which the base B is formed of a concrete structure, it is sufficient that the base is a place or structure in which a supporting structure can be fixedly installed, such as a roof or a roof of a building.

The photovoltaic device support structure according to the embodiment in the drawing has a structure manufactured by connecting a plurality of frames 10 , 20 , and 30 . Referring to the drawings, the support structure is erected vertically on the ground and connected to a plurality of pillar frames 10 fixed to the upper part of the base B by the foundation connection part 40 and the upper part of the pillar frame 10 while connecting the A plurality of longitudinal frames 20 laid long in the front-rear direction and arranged in parallel in the lateral direction, and a plurality of transverse frames arranged in parallel in the front-rear direction across the plurality of longitudinal frames 20 and placed long in the horizontal direction ( 30) is included.

The present invention is molded by extruding an aluminum material to have a tubular shape of a rectangular cross section for all of the pillar frame 10 , the vertical beam frame 20 and the cross beam frame 30 forming the support structure. In particular, in the present invention, in consideration of the design load, the support structure may be formed by only each frame 10, 20, 30 itself, but when a large design load is required, such as when installed in an area with high wind strength, the It has a structure that can be fixed by inserting the reinforcing plates 18a, 18b, 28, 38 in the interior of the column frame 10, the longitudinal frame 20 and the transverse frame 30 that form the supporting structure for reinforcement. has a great feature in that

Hereinafter, the characteristics of the present invention will be described while describing each of the pillar frame 10 , the vertical beam frame 20 and the horizontal beam frame 30 forming the support structure.

3 illustrates a cross-sectional structure of the pillar frame 10 forming the support structure. Referring to FIG. 3 , the pillar frame 10 has a body part 11 of a rectangular cross section, and a diaphragm part 12 for reinforcement in the inner center of the main body 11 crosses the inner center of the main body part ( 11) has a cross-sectional shape connected to A coupling channel 15 through which a head of a bolt (not shown in the drawing) for coupling the connection accessory 51 is inserted is formed on the outer side of the two sides facing each other of the main body 11 .

The lower end of the pillar frame 10 is fixed to the base B by the base connection part 40 and is erected vertically. The vertical beam frame 20 is connected to the top by a connecting accessory 51 in a state in which the vertical beam frame 20 is spanned on the upper end of the pillar frame 10 . The pillar frame 10 receives a compressive load due to the weight of the longitudinal frame 20 and the transverse frame 30 and the solar cell module M installed thereon. Reinforcing plates 18a and 18b are inserted and coupled therein. Referring to the drawings, the reinforcing plates 18a and 18b are configured to be coupled to each of both sides of the diaphragm portion 12 of the pillar frame 10, so that both the reinforcing plates 18a and 18b are provided depending on the degree to which reinforcement is required. They can be combined or only one can be combined.

In order to fix the reinforcing plates 18a and 18b, a fixing channel 14 is formed in the body portion 11 of the pillar frame 10 at positions facing each other, and the reinforcing plate ( Each of both side edge ends of the 18a and 18b are fitted so that the reinforcing plates 18a and 18b are fixed to the inside of the pillar frame 10 . That is, the reinforcing plates 18a and 18b are inserted into the pillar frame 10 so that the ends of both sides of the reinforcing plates 18a and 18b in the width direction are inserted into the fixed channel 14, and the reinforcing plate ( 18a and 18b are fixed to the inside of the pillar frame 10 . The fixing channel 14 to which the reinforcing plates 18a and 18b are fixed is formed by a pair of protrusions 13 side by side and a groove formed between the protrusions 13 .

The reinforcing plates 18a and 18b may be formed of various materials, but are preferably formed by cutting a ferrous metal plate having high rigidity and excellent elasticity.

4 shows a cross-sectional structure of the longitudinal frame 20 forming the supporting structure. Referring to FIG. 4 , the longitudinal frame 20 has a body portion 21 of a rectangular cross-section. A coupling channel 25 is formed on the outer side of the four sides of the main body 21 through which the heads of bolts (not shown in the drawing) for coupling the connection appendages 51 and 52 are inserted.

The longitudinal frame 20 is coupled to the upper end of the column frame 10 by a connecting accessory 51 in a state that spans the upper end of the column frame 10, and the crossbeam frame 30 is placed horizontally on its upper part The cross-beam frame 30 is coupled by a connecting attachment 52 .

The longitudinal frame 20 receives a bending load due to the weight or wind pressure of the transverse frame 30 and the solar cell module M installed thereon. (28) is inserted and coupled. In order to fix the reinforcing plate 28, a fixing channel 23 is formed in a position facing each other in the main body 21 of the longitudinal frame 20, and the reinforcing plate 28 is provided in the fixing channel 23. Each of both side edge ends of the is fitted, the reinforcing plate 28 is fixed to the inside of the longitudinal frame (20). In particular, the reinforcing plate 28 for reinforcing the longitudinal frame 20 is fixed to the inside of the longitudinal frame 20 to be erected in the vertical direction so as to effectively reinforce the bending load applied in the vertical direction. The reinforcing plate 28 may be formed of various materials, but is preferably formed by cutting a ferrous metal plate having high rigidity and excellent elasticity.

5 shows a cross-sectional structure of a cross-beam frame 30 forming a support structure. Referring to FIG. 5 , the transverse frame 30 has a body part 31 having a rectangular cross-section. Among the four sides of the main body 31, coupling wing parts 36 for engaging the connecting appendage 52 are formed on both sides of the lower side, and a bolt (not shown in the drawing) for coupling the connecting appendage 53 is formed in the center of the upper side. A coupling channel 35 is formed through which is inserted.

The transverse frame 30 is coupled to the upper part of the longitudinal frame 20 by a connection accessory 52 in a state that spans over the upper part of the longitudinal frame 20, and the solar cell module M is placed on the upper part, and is connected The solar cell module (M) is coupled by an attachment 53.

The transverse frame 30 receives a bending load due to the weight or wind pressure of the solar cell module M installed thereon. When reinforcement is required, a reinforcement plate 38 is inserted into the transverse frame 30. are combined In order to fix the reinforcing plate 38 , a fixing channel 33 is formed in a position facing each other in the main body 31 of the transverse frame 30 , and the reinforcing plate 38 is formed in the fixing channel 33 . Each of the opposite edge ends of the two sides are fitted so that the reinforcing plate 38 is fixed to the inside of the cross-beam frame 30 . In particular, the reinforcing plate 38 for reinforcing the cross-beam frame 30 is fixed to the inside of the cross-beam frame 30 so as to be erected in the vertical direction so as to effectively reinforce the bending load applied in the vertical direction. The reinforcing plate 38 may be formed of various materials, but is preferably formed by cutting a ferrous metal plate having high rigidity and excellent elasticity.

On the other hand, to fix the column made of ferrous metal to the base, a method of connecting an anchor bracket to the lower end of the column by welding is usually used. However, as described above, in the present invention, the column frame 10 fixed to the base M is formed of an aluminum material, so the method of welding the column frame 10 to the base M cannot be used. . In order to solve this problem, the present invention is characterized in that the base connection part 40 using four angles 41 and 42 having a 'L' shape is provided. 6A to 6C show the structure of such a basic connection part 40 .

", "

", "

" 등의 방법으로 배치될 수 있다. 도 6a는 4개의 앵글(41,42)이 "

" 의 방법으로 배치된 실시예를 도시한 것이다. 즉 도 6a에 도시된 실시예에는 상기 기초 연결부(40)의 4개의 앵글 중 2개의 앵글(41)은 상기 기둥 프레임(10)의 맞대어진 변과 길이가 같게 형성되어 서로 마주보는 위치에 배치되고, 나머지 2개의 앵글(42)은 상기 기둥 프레임(10)의 맞대어진 변보다 길이가 길게 형성되어 양단부가 기둥 프레임(10)의 양측으로 돌출되게 서로 마주보는 위치에 배치된 구조를 갖는다.Referring to the drawings, the base connection part 40 has a structure in which four angles 41 and 42 having a 'L' shape in cross section are buttted to four lower ends of the pillar frame 10 . Each of the four angles 41 and 42 has a vertical portion having a vertically erected surface and a horizontal portion having a horizontal surface bent at a right angle from the vertical portion to form a 'L' shape in cross section. Each of the angles 41 and 42 has a vertical portion facing each of the four sides of the pillar frame 10 and is coupled to the pillar frame 10 with a coupling bolt 45, and the horizontal portion is anchored to the base B with an anchor bolt. The lower end of the pillar frame 10 is fixed to the upper portion of the base 10 while being anchored and coupled at 43 . The four angles 41 and 42 are disposed to face the four sides of the lower end while surrounding the lower end of the pillar frame 10, and the arrangement may be made in various ways. For example, the above four angles are "viewed in a horizontal plane"

", "

", "

", etc. can be arranged in the same way. Fig. 6a shows that the four angles 41 and 42 are "

In the embodiment shown in FIG. 6A , the two angles 41 among the four angles of the foundation connection part 40 are the butt sides of the column frame 10 . Formed to be the same length as the pole frame and disposed at opposite positions, the remaining two angles 42 are formed to have a longer length than the butt sides of the column frame 10 so that both ends protrude to both sides of the column frame 10 . It has a structure disposed at positions facing each other.

The support structure of the photovoltaic device described above and shown in the drawings is only one embodiment for carrying out the present invention, and should not be construed as limiting the technical spirit of the present invention. The protection scope of the present invention is defined only by the matters described in the claims below, and improved and changed embodiments without departing from the gist of the present invention are obvious to those of ordinary skill in the art to which the present invention belongs. It will be said that it falls within the protection scope of the present invention.

B-based
M solar cell module
10 pillar frame
14 fixed channels
18a, 18b reinforcing plate
20 bellow frame
23 fixed channels
28 reinforcing plate
30 sideways frame
33 fixed channels
38 reinforcing plate
40 foundation connection
41,42 angles
51,52,53 Connection Attachments

Claims (5)

In the photovoltaic device support structure manufactured by connecting a plurality of frames to support the solar cell module installed on the upper part and installed on the base,
The frame is a support structure for a photovoltaic device, characterized in that the aluminum material is extruded to have a tubular cross-section. According to claim 1,
Fixed channels are formed inside the frame at positions facing each other,
A photovoltaic device support structure, characterized in that the reinforcing plate is inserted into the frame and the reinforcing plate is fixed by inserting end portions of both edges of the reinforcing plate in the width direction into the fixing channel. 3. The method of claim 2,
The reinforcing plate is a photovoltaic device support structure, characterized in that the ferrous metal material. 4. The method according to any one of claims 1 to 3,
The frame includes a column frame that is formed in a rectangular cross-section and is erected vertically,
The lower end of the pillar frame is fixed to the upper surface of the base end by a base connection part,
The base connection portion is coupled to the column frame by abutting the vertical portion of each of the four angles having a 'L' shape in cross section to each of the four sides of the column frame,
A photovoltaic device support structure, characterized in that the horizontal portion of each of the angles is anchored and coupled to the base. 5. The method of claim 4,
Two of the four angles of the foundation connection part are formed to have the same length as the butt side of the pillar frame and are disposed at positions facing each other,
The remaining two angles are formed to be longer than the buttted sides of the pillar frame so that both ends protrude to both sides of the pillar frame and are disposed at positions facing each other.

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