KR101868750B1 - Angle Variable Solar Module Support Structure - Google Patents

Angle Variable Solar Module Support Structure Download PDF

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Publication number
KR101868750B1
KR101868750B1 KR1020170094542A KR20170094542A KR101868750B1 KR 101868750 B1 KR101868750 B1 KR 101868750B1 KR 1020170094542 A KR1020170094542 A KR 1020170094542A KR 20170094542 A KR20170094542 A KR 20170094542A KR 101868750 B1 KR101868750 B1 KR 101868750B1
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KR
South Korea
Prior art keywords
solar module
cylinder
angle
support
sliding rod
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KR1020170094542A
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Korean (ko)
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KR20170093764A (en
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서규선
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서규선
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/10—Frame structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The present invention relates to a fixed variable type solar module supporting structure, comprising a variable connecting unit (20) assembled at the upper end of a support (20), a support frame (30) And a solar module 40 installed in the support frame 30, the variable connection unit 20 includes a fixed flange 21 assembled at the upper end of the support 10, ; A support bracket 22 vertically protruding from the upper portion of the fixing flange 21; A cylinder engaging part 23 fixed to one side of the support bracket 22 and horizontally penetratingly formed to form a thread on the inner side; A lifting rod (24) vertically installed on the support bracket (22) and elastically supported by the first spring (S1); A sliding rod 25 which extends horizontally through the cylinder coupling portion 23; A cylinder 26 mounted on the inner side of the cylinder coupling portion 23 so that the sliding rod 25 is supported by the second spring S2; A link 27 having one end connected to the sliding rod 25; And an angle adjusting bracket 28 whose angle is adjusted in conjunction with the operation of the lift rod 24 and the link 27 while one end of the lift rod 24 and the link 27 are coupled to each other. The solar module is properly angled according to the strong wind and snowfall, the resistance against the strong wind is reduced, and the snow removed from the solar module is quickly removed to ensure the structural integrity.

Description

Technical Field [0001] The present invention relates to a variable-

The present invention relates to a fixed variable type solar module supporting structure, and more particularly, to a solar module supporting structure configured to change an installation angle of a solar module installed in a solar power generating plant to an appropriate angle according to a season.

The amount of sunshine, solar radiation, and installation angle of solar modules greatly affect solar power generation. At this time, the amount of sunshine is the amount of sunlight reflected on the surface or surface of the object, and the solar radiation is called solar radiation, and the intensity of this solar radiation is called solar radiation.

Since the amount of sunshine and the amount of solar radiation are influenced by the season and the weather as described above, the installation angle of the photovoltaic module substantially becomes a main factor for determining the generation amount in the photovoltaic power generation.

The incidence angle of the solar module and solar light is highest when it reaches 90 °. Therefore, in Korea, the solar module is installed at an angle of 20 ~ 30 ° and it is installed at 30 ° in consideration of wind speed and snowfall. .

However, if the angle is fixed as described above, there is a difference of more than 5% from 2% to less power generation efficiency depending on the season. To solve this problem, it is preferable to appropriately change the installation angle of the solar module according to the season Do.

In the spring and fall of Korea, the angle of the solar module is 20 ° to 25 °, in summer it is 15 °, in winter Means a structure that is adjustable to 30 to 45 degrees.

An example of the conventional fixed variable structure as described above is a supporting structure of a tilted variable photovoltaic power generating device of Japanese Patent No. 1708854. The supporting structure disclosed in this patent document includes a module frame with a solar module coupled thereto, A supporting structure of a variable solar power generating device installed between vertically installed supporting columns to rotate a solar module by adjusting an angle of a module frame, wherein three support columns are provided, and a first support An angle adjusting member is provided between the column and the module frame for indirectly connecting the module frame and the support column directly to each other to adjust the angle of the module frame by adjusting the length thereof. The angle adjusting member is installed on both sides of the first support column Between the second support column and the module frame, by means of securing means to support the module frame, which is angularly adjusted by the angle adjusting member A first connecting rod detachably attached to the support column and provided with a fixed length support bar having a plurality of holes formed in the surface thereof, the angle adjusting member having a first connecting rod hinged to the supporting column at one end thereof and a first screw thread formed at the other end inner circumferential surface thereof, A screw connecting the first screw and the second screw to form a right screw and a left screw on the outer circumferences of both sides of the screw, A housing having a first end and a second end, the first end being connected to the first end of the screw and the second end of the second end; And a driver unit for pulling the first connecting rod and the second connecting rod into or out of the housing.

However, the support structure of the patent document is designed so that when the user appropriately adjusts the angle, the adjusted angle is maintained as it is. When a large force acting during strong wind is transmitted to the angle adjusting member as it is, In addition, in the winter, when a lot of snow accumulates in the module frame, the user quickly sets up the module frame by using the angle adjusting member, and then the module frame is moved back to the originally adjusted angle There is a hassle to adjust.

Therefore, it is required to develop a structure for supporting a fixed variable type solar module capable of securing the structural integrity by appropriately changing the angle according to the strong wind and snowfall, and returning to the originally adjusted angle.

KR 10-1708854 B1 KR 10-2013-0021028 A KR 10-2014-0045614 A KR 10-1302224 B1 KR 10-1556877 B1 KR 10-1538465 B1

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a fixed variable type solar module supporting structure capable of securing structural integrity by appropriately adjusting an installed angle according to strong wind or snow load, And an object thereof is to provide a solar module supporting structure.

It is an object of the present invention to provide a fixed variable solar module supporting structure that includes a support vertically installed on a base, a variable connection unit assembled on the top of the support, and a support frame And a photovoltaic module installed in the support frame and generating electricity by solar light, wherein the variable connection unit comprises: a fixing flange assembled to the upper end of the strut; A support bracket vertically protruding from an upper portion of the fixing flange; A cylinder engaging portion formed horizontally and fixed to one side of the support bracket to form a thread on the inner side; A lifting rod elastically supported by the first spring while vertically installed on the supporting bracket; A sliding rod that horizontally moves in and out through the cylinder coupling portion; A cylinder mounted on the inner surface of the cylinder so that the sliding rod is supported by the second spring while being screwed to the cylinder coupling portion; A link to which the sliding rod is connected at one end; And an angle adjusting bracket for adjusting the angle of the lift rod and the link in conjunction with the operation of the link while the one end of the lift rod and the link are coupled with each other. The sliding rod is horizontally pulled in and out by the rotation operation of the cylinder, The angle of the adjustment bracket is adjusted and the force acting on the photovoltaic module during the strong wind is transmitted to the sliding rod through the link to compress the second spring so that the photovoltaic module is positioned in a direction When the installation angle is lowered and the load is transmitted to the lifting rod at the time of snowing, the first spring is compressed and the lifting rod is lowered. As a result, the installation angle becomes larger in the direction in which the solar module is vertical than the originally adjusted angle of the solar module, The solar module is returned to the initially adjusted angle by the second spring and the first spring It is achieved by configuring the lock.

The present invention is further characterized in that a rotating body is further provided, which is fixed to the sliding rod by a cylinder and a fixing pin, and is rotated together with the rotation of the cylinder.

Further, the present invention is characterized in that the supporting bracket is provided with a vertical slot for guiding the lifting and lowering operation of the lifting rod, a horizontal slot for guiding horizontal movement of the sliding rod, and an arc slot for guiding the movement of the link.

According to the present invention, when the installation angle of the solar module is appropriately lowered close to the horizontal or close to the vertical according to the strong wind and the snowfall amount, and the external factor is solved, The user is returned to the originally adjusted angle to secure the structural integrity of the solar module supporting structure, and at the same time, the angle of the solar module can be appropriately adjusted according to the need, .

1 is a perspective view showing an example of a fixed variable-type solar module supporting structure according to the present invention,
2 is a perspective view showing an example of a support and a variable connection unit according to the present invention,
3 is a perspective view showing an example of a variable connection unit according to the present invention,
Fig. 4 is an exploded perspective view of Fig. 3,
5 is a cross-sectional perspective view of a fixing flange and a supporting bracket of a variable connection unit according to the present invention,
Fig. 6 is a cross-sectional perspective view of Fig. 3,
FIGS. 7 and 8 are explanatory views illustrating an example in which the variable connection unit according to the present invention adjusts the installation angle of the solar module by the intake /
FIG. 9 and FIG. 10 are explanatory views showing an example in which the installation angle of the solar module is adjusted by the load of snow with the variable connection unit according to the present invention,
11 is a view illustrating an example in which the fixed variable-type solar module supporting structures according to the present invention are installed in a row at regular intervals along a base portion.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings which illustrate preferred embodiments of the present invention.

The present invention provides a fixed variable solar module supporting structure capable of securing a structural integrity by adjusting an angle appropriately set in accordance with strong wind or snow load, As shown in the figure, the stanchion 10 is installed vertically to the base 1, the variable connection unit 20 is assembled to the upper end of the stanchion 20, and the variable connection unit 20 A support frame 30 and a solar module 40 which is installed in the support frame 30 and produces electricity by solar light and the variable connection unit 20 is constructed as shown in Figures 2 and 3 And includes a fixed flange 21, a supporting bracket 22, a cylinder engaging portion 23, a lifting rod 24, a sliding rod 25, a cylinder 26, a link 27 and an angle adjusting bracket 28 .

As shown in FIG. 2, the support 10 includes a support body 11 having a predetermined height having a vertical length of a rectangular cross section and a variable connection unit 20, which will be described later, at upper and lower ends of the support body 11, And upper and lower flanges 12 and 13 for assembling and fixing using a fastening member such as a bolt to the base portion 1 are formed.

The variable connection unit 20 connected to the upper flange 12 formed at the upper end of the column 10 includes a fixing flange 21 assembled at the upper end of the column 10 as shown in Fig. A cylinder engaging portion 23 which is horizontally penetrated while being fixed to one side of the support bracket 22 and has a thread formed on an inner side surface thereof, a support bracket 22, A lifting rod 24 which is vertically installed on the cylinder engaging portion 23 and resiliently supported by the first spring S1, a sliding rod 25 that horizontally moves in and out through the cylinder engaging portion 23, A cylinder 26 installed to be supported by the second spring S2 on the inner side while being screwed to the sliding rod 25 and a link 27 connected to the sliding rod 25 at one end and a lifting rod 24 And one end of the link 27 are coupled to each other and are linked to the operation of the lifting rod 24 and the link 27, And an angle adjustment bracket 28 that is adjusted.

As shown in FIGS. 4 and 5, an extending protrusion 21A having a rectangular cross-section is protruded downward from the bottom surface of the fixed flange 21, and the extending protrusion 21A is formed inside the holding body 11 And then the fixing flange 21 is fastened and assembled to the upper flange 12 of the column body 11 using the fastening member. With this structure, even when a large external force (for example, strong wind, earthquake vibration, or the like) acts in the lateral direction of the variable connection unit 20, the external force can be less concentrated on the coupling member, 20 are firmly assembled to the support 10.

At this time, the fixing flange 21 is formed with through-holes 21B and 21C for inserting a lift rod 24, which will be described later, and various electric wires and the like into the support 10.

As shown in FIGS. 3 and 4, the support brackets 22 are provided with a pair of spaced-apart spaced-apart side shapes, and the support brackets 22 are disposed on opposite sides A vertical slot 22A for guiding the lifting operation of the lifting rod 24 to be described later and a horizontal elongation 22B for guiding horizontal movement of the sliding rod 25 to be described later and a link 27 And guiding arc-like long holes 22C are respectively formed.

As shown in FIG. 5, the cylinder joint portion 23 is formed in a cylindrical shape having both side surfaces penetrated while being fixed to the support bracket 22 by welding or the like. On the inner side surface of the cylinder joint portion 23, A cylinder coupling portion 23 having a threaded portion and a cylinder coupling portion 23 having no threaded portion.

When the screw thread is formed on the inner side surface of the cylinder coupling portion 23, the length of the insertion and ejection is appropriately adjusted through screw connection with the cylinder 26, which will be described later, so that the angle of the angle adjusting bracket 28 can be manually adjusted The length of the cylinder 26 can be adjusted by adjusting the length of the cylinder 26 in the cylinder engaging portion 23 where the thread is formed and the angle adjusting bracket 28 can be adjusted, When the angle of the cylinder 26 is adjusted, the cylinder 26 is naturally operated to be drawn in and out.

That is, as shown in FIG. 11, a plurality of pillars 10 are installed at regular intervals along the base 1, and when the variable connection units 20 are assembled to the upper ends of the pillars 10 A thread is formed on the inside of the cylinder coupling portion 23 of one variable connection unit 20 positioned in the middle of the variable coupling unit 20 and a thread is not formed on the cylinder coupling portion 23 of the other variable coupling unit 20 The installation angle of the solar module 40 can be easily adjusted by adjusting the pulling-out of the cylinder 26 of the one variable connection unit 20 located at the center of the user.

The lifting rod 24 is inserted into the through hole 21B of the fixing flange 21 with a vertical length as shown in Fig. 4, and is provided with a first spring (S1). A bracket connecting portion 24A is provided at an upper end of the lifting rod 24. The bracket connecting portion 24A includes a bolt B and a nut N assembled through a vertical slot 22A of the support bracket 22. [ Such as an angle adjusting bracket 28 and a hinge, which will be described later.

The sliding rod 25 is installed such that one end thereof is inserted into the cylinder 26 and an elastic force acts in the direction in which the sliding rod 25 is pulled out from the cylinder 26 by the second spring S2, And a link connecting portion 25A connected to a link 27 described later. In addition, the sliding rod 25 is provided with a freely rotatable rotating body 25B. A coupling hole H is formed in the rotating body 25B, and a fixing pin P is inserted Whereby the sliding rod 25 is moved in and out together with the cylinder 26 in conjunction with the pulling-out operation of the cylinder 26 while being rotated together with the rotating operation of the cylinder 26.

3 and 4, the cylinder 26 is formed with threads on its outer surface, and an insertion hole 26A through which the sliding rod 25 and the second spring S2 are inserted is formed on the inner surface of the cylinder 26 And a handle 26B for rotating the cylinder 26 by the user is provided at one end. A through hole of a long hole is formed in a side surface of the cylinder 26 so that a fixing pin P which is engaged with the rotating body 25B of the sliding rod 25 is inserted, If a large external force for canceling the elastic support force of the second spring S2 is applied without moving, the movable member can move in the horizontal direction.

7, the link 27 is provided with a rod connecting portion 27A connected to the sliding rod 25 at one end and a bracket connecting portion 27B connected to the angle adjusting bracket 28, . At this time, the rod connecting portion 27A and the bracket connecting portion 27B are connected to the sliding rod 25 by the bolts B provided through the horizontal slot 22B and the arc slot 22C of the support bracket 22, The bracket 28 is connected and is moved horizontally or arcuately while being guided by the horizontal slot 22B and the arc slot 22C.

As shown in FIG. 4, the angle adjusting bracket 28 has a "C" -shaped shape whose side is opened at the bottom, and the lift link connecting hole 28A and the link connecting hole 28B are formed through both side surfaces do.

At this time, the lifting rod connecting hole 28A is formed to be positioned at the center of the center of gravity of the support frame 30, which will be described later, by which the link 27, which is connected to the link connecting hole 28B, The angle of the bracket 28 is easily adjusted around the lift rod connecting hole 28A.

The angle adjusting bracket 28 is firmly fixed to the support frame 30 by a fastening member such as a bolt or welding or the like so that the angle of the angle adjusting bracket 28 is adjusted, The installation angle of the solar module 40 is adjusted.

1, the supporting frame 30, which is installed on the angle adjusting bracket 28 and adjusts its angle, is formed into a square frame shape to support a solar module 40 to be described later, Is implemented as a section having a cross-sectional shape of "C", an "H" shape and a "K" shape.

The solar module 40, which is installed in the support frame 30 and produces electrical energy by solar light, is fixed to the support frame 30 by bolts or the like. The solar module 40 is known and widely used And thus the detailed description thereof will be omitted.

7, when the user manually rotates the cylinder 26, the cylinder 26 is moved in and out, and the sliding rod 25 is moved in the forward and backward directions, The angle adjusting bracket 28 is rotated with respect to the lift rod connecting hole 28A while the link 27 connected to the sliding rod 25 is operated to thereby rotate the support frame 28 30 and the solar module 40 are angularly adjusted by 0 ° to 45 °.

When a large external force is applied to the solar module 40 by a strong wind or the like while the user adjusts the installation angle of the solar module 40, the force acting on the solar module 40 is transmitted to the link 27, The second spring S2 is compressed and the mounting angle of the solar module 40 is temporarily lowered in the direction in which the solar module 40 is horizontal than the angle at which the solar module 40 is initially adjusted Whereby the load due to the strong wind is reduced.

Also, when a lot of snow falls due to heavy snow in winter, the snow load is transmitted to the lifting rod 24, the first spring S1 is compressed and the lifting rod 24 is lowered, As shown in the drawing, the installation angle temporarily increases in a direction in which the solar module 40 is perpendicular to the originally adjusted angle of the solar module 40, so that snow can be more easily removed through a steep incline.

As described above, according to the present invention, when the installation angle of the solar module 40 is appropriately lowered close to the horizontal or close to the vertical according to the strong wind and the snowfall amount, The photovoltaic module 40 is returned to the originally adjusted angle by the spring S1 and the photovoltaic power generation is continued.

As a result, the structural integrity of the solar module supporting structure can be ensured, and the installation angle of the solar module can be appropriately adjusted as needed to maintain the solar power generation efficiently.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. It is to be understood that the scope of the present invention should not be interpreted as being limited only by the scope of the present invention and that the scope of the present invention should not be construed to be interpreted to limit the scope of the present invention. .

1: Foundation section 10: holding
11: column main body 12: upper flange
13: Lower flange 20: Variable connection unit
21: Fixing flange 21A: Extension projection
21B, 21C: Through hole 22: Support bracket
22A: vertical slot 22B: horizontal slot
22C: arc-shaped elongated hole 23:
24: lifting rod 24A: bracket connecting portion
25: sliding rod 25A: link connecting portion
25B: Rotor 26: Cylinder
26A: insertion hole 26B: handle
27: Link 27A: Rod connection
27B: Bracket connection 28: Angle adjustment bracket
28A: Lift rod connecting ball 28B: Link connecting ball
30: support frame 40: solar module
B: Bolt H: Coupling ball
N: Nut P: Fixing pin

Claims (3)

A support 10 mounted vertically to the base 1; a variable connection unit 20 assembled to the upper end of the support 10; And a photovoltaic module (40) installed in the support frame (30) and generating electricity by solar light,
The variable connection unit (20)
A fixing flange (21) assembled to the upper end of the strut (10);
A support bracket 22 vertically protruding from the upper portion of the fixing flange 21;
A cylinder engaging portion 23 which is fixed to one side of the support bracket 22 and penetrates horizontally to form a thread on an inner side surface thereof;
A lifting rod (24) vertically installed on the support bracket (22) and elastically supported by a first spring (S1);
A sliding rod 25 which extends horizontally through the cylinder coupling portion 23;
A cylinder (26) installed on the inner side of the cylinder coupling part (23) so that the sliding rod (25) is supported by the second spring (S2);
A link (27) connected at one end to the sliding rod (25);
And an angle adjusting bracket 28 coupled to the lift rod 24 and one end of the link 27 to adjust an angle in conjunction with the operation of the lift rod 24 and the link 27,
The link 27 is moved while the sliding rod 25 is horizontally moved in and out by the rotation of the cylinder 26 to adjust the angle of the angle adjusting bracket 28,
A force acting on the solar module 40 during a strong wind is transmitted to the sliding rod 25 via the link 27 to compress the second spring S2 so that the solar module 40 is initially adjusted The installation angle is lowered in the direction in which the solar module 40 is horizontal than the angle formed by the solar module 40,
The load is transferred to the lifting rod 24 and the first spring S1 is compressed so that the lifting rod 24 is lowered so that the solar module 40 is lower than the originally adjusted angle, 40 are perpendicular to each other,
Wherein the solar module (40) is returned to an initially adjusted angle by the second spring (S2) and the first spring (S1) when the influence of the strong wind and snowfall is solved. Module support structure.
The method according to claim 1,
Wherein the sliding rod is further provided with a rotating body which is fixed by the cylinder and the fixing pin and rotated together with the rotation of the cylinder. Photovoltaic module support structure.
The method according to claim 1 or 2,
The supporting bracket 22 is provided with a vertical slot 22A for guiding the lifting operation of the lifting rod 24 and a horizontal slot 22B for guiding horizontal movement of the sliding rod 25, And an arc-shaped long hole (22C) for guiding a movement operation is formed.
KR1020170094542A 2017-07-26 2017-07-26 Angle Variable Solar Module Support Structure KR101868750B1 (en)

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KR200494441Y1 (en) 2021-02-23 2021-10-13 (주)우림에너지 Solar Panel Angle Variable Type Structure

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