KR20130065496A - Solar cell module - Google Patents

Abstract

PURPOSE: A solar cell module is provided to improve structural stability about an external pressure of a vertical direction of a solar cell panel by forming a bump on surfaces of a concave part and a convex part. CONSTITUTION: Frames(120,140) accommodate a lateral side of a solar cell panel. The frame includes a first support part(141), a second support part(142), a third support part(143), and a connection part. The first support part is arranged in the lateral side of the solar cell panel. The second support part is extended from the first support part and is arranged on the solar cell panel. The third support part is extended from the first support part and is arranged under the solar cell panel. The connection part is connected to the first support part.

Description

Solar cell module {SOLAR CELL MODULE}

An embodiment relates to a solar cell module.

Photovoltaic modules that convert light energy into electrical energy using photoelectric conversion effects are widely used as a means of obtaining pollution-free energy that contributes to the preservation of the global environment.

As photovoltaic conversion efficiency of solar cells is improved, many solar power generation systems with photovoltaic modules have been installed for residential use.

In order to output the power generated from the photovoltaic module having a solar cell that generates power from the solar to the outside, conductors functioning as positive and negative electrodes are arranged in the photovoltaic module, and the current to the outside As connecting terminals to which a cable for output is connected, the ends of the conductors are taken out of the photovoltaic module.

In a structure in which a plurality of solar panels are connected, the coupling between the frames surrounding the sides of the panel is a problem. The bonding of adjacent frames may be separated vertically or horizontally by external pressure, and thus the bonding force may be improved.

Embodiments provide a solar cell module having hermeticity and structural stability.

The solar cell module according to the embodiment includes a solar cell panel; And a frame disposed on the side of the solar cell panel, wherein the frame comprises: a first support part disposed on the side of the solar cell panel; A second support part extending from a first support part and disposed on the solar cell panel; A third support part extending from the first support part and disposed under the solar cell panel; And a fastening part connected to the first support part.

According to the embodiment, the installation time can be shortened and the accessories can be reduced and the productivity can be improved by mixing the coupling parts in the frame.

In addition, the sealing properties and structural stability can be expected in the form of the surface and the surface is coupled by the structural friction.

In addition, the sides and sides of the frame can be in close contact without space, and the coupling force can be adjusted according to the tolerance design of the structure.

1 is a cross-sectional view showing a frame surrounding a solar cell panel and a side according to an embodiment of the present invention.
2 is a cross-sectional view showing a solar cell module including a frame according to an embodiment of the invention.
3 is an enlarged cross-sectional view of region A of FIG. 1.
4 is a cross-sectional view showing a frame according to another embodiment of the present invention.

In the description of the embodiment, each panel, bar, frame, substrate, groove, or film is formed on or under the "on" of each panel, bar, substrate, groove or film, etc. In the case described, "on" and "under" include both those that are formed "directly" or "indirectly" through other components. In addition, the upper or lower reference of each component is described with reference to the drawings. The size of each component in the drawings may be exaggerated for the sake of explanation and does not mean the size actually applied.

1 is a cross-sectional view showing a frame surrounding a solar cell panel and a side according to an embodiment of the present invention. 2 is a cross-sectional view showing a solar cell module including a frame according to an embodiment of the invention. 3 is an enlarged cross-sectional view of region A of FIG. 1.

The solar cell module according to the embodiment includes a frame 110, 120, 130, 140, a solar cell panel 300, a bus bar 400, a junction box 500, and a cable 600.

The frames 110, 120, 130, and 140 accommodate the solar panel 300. In more detail, the frames 110, 120, 130, and 140 accommodate side surfaces of the solar cell panel 300.

In addition, the frames 110, 120, 130, and 140 surround side surfaces of the solar cell panel 300. For example, the frames 110, 120, 130, and 140 are disposed on four side surfaces of the solar cell panel 300.

Examples of materials that may be used for the frames 110, 120, 130, and 140 include metals such as aluminum.

The frames 110, 120, 130, and 140 may be divided into a first subframe 110, a second subframe 120, a third subframe 130, and a fourth subframe 140. The first sub-frame 110, the second sub-frame 120, the third sub-frame 130, and the fourth sub-frame 140 may be fastened together or integrally formed.

The first subframe 110 surrounds one side of the solar cell panel 300. The second subframe 120 accommodates the other side of the solar cell panel 300.

The third subframe 130 faces the first subframe 110 with the solar cell panel 300 interposed therebetween. The third subframe 130 accommodates another side of the solar cell panel 300.

The fourth subframe 140 accommodates another side of the solar cell panel 300. The fourth subframe 140 faces the second subframe 120 with the solar cell panel 300 interposed therebetween.

For example, the first subframe 110, the second subframe 120, the third subframe 130, and the fourth subframe 140 may include a first support part 141 and a second. The support part 142, the 3rd support part 143, and the 4th support part 144 are included.

The first support part 141 is disposed on the side surface of the solar cell panel 300. The first support part 141 supports the side surface of the solar cell panel 300.

The second support part 142 extends from the first support part 141 and is disposed on an upper surface of the solar cell panel 300. The second support part 142 supports the top surface of the solar cell panel 300.

The third support part 143 extends from the first support part 141 and is disposed on the bottom surface of the solar cell panel 300. The third support part 143 supports the bottom surface of the solar cell panel 300.

The fourth support part 144 extends from the first support part 141 and is disposed below the third support part 143.

The first support part 141, the second support part 142, the third support part 143, and the fourth support part 144 are integrally formed.

The second sub frame 120 includes a first fastening part 125 at a side surface, and the fourth sub frame 140 includes a second fastening part 145 at a side surface. The first fastening part 125 may be formed of a 'b' letter, and the second fastening part 145 may be formed of a 'b' letter.

The fastening parts 125 and 145 may be formed of the same material as the frame.

The first fastening part 125 may include a first extension part extending outwardly from an end of the first support part 141 and a second bending part extending from the first extension part and extending toward the second fastening part 145. It may include two extensions. The second extension part may contact the second fastening part 145. The second extension part may be bent upward from the first extension part to have a 'b' shape. Since the second fastening portion 145 is formed in a corresponding shape, the same description is omitted.

In detail, the first fastening part 125 extends outward from the upper end of the second subframe 120 to a length of x. The first fastening part 125 is bent and extended. The bending direction may face upwards.

In addition, the second fastening part 145 extends from the lower end of the second sub frame 140 to the outside with a length of y. The first fastening part 125 is bent and extended. The bending direction may face downward.

The first fastening part 125 is fastened to a frame of another solar cell module. In more detail, the first fastening part 125 may be fastened up and down with a frame of another adjacent solar cell module.

The width of the frame in which the second fastening part 145 is bent and extended downward may correspond to the length of x, and the width of the frame in which the first fastening part 125 is bent and extended downward is the width of the y. It may correspond to the length.

The first fastening part 125 and the second fastening part 145 may be bent to form a frame facing the upper and lower portions, respectively. As a result, coupling of the first fastening part 125 and the second fastening part 145 may be facilitated.

As described above, since the first fastening part 125 and the second fastening part 145 are fastened and coupled in a direction facing each other, the adjacent frames can be coupled without a separate accessory such as a screw, thereby reducing the accessories. .

In addition, the sealing surface and structural stability is improved in the form of the surface and the surface is bonded by the structural friction.

The sides of the first fastening part 125 and the second fastening part 145 may be closely contacted without space by adjusting the lengths of 'x' and 'y', and the coupling force may be adjusted according to the tolerance design of the structure.

The solar cell panel 300 has a plate shape. For example, the solar cell panel 300 may have a rectangular plate shape. The solar cell panel 300 is disposed inside the frame 100. In more detail, an outer region of the solar cell panel 300 is disposed inside the frame 100. That is, four side surfaces of the solar cell panel 300 are disposed inside the frame 100. The solar cell panel 300 receives sunlight and converts it into electrical energy. The solar panel 300 includes a support substrate 310 and a plurality of solar cells 320.

On the solar cell panel 300, a protective film 330 for protecting the solar cell panel 300 and an upper substrate 340 disposed on the protective film 300 toward the light receiving surface of the solar cell panel 300 are formed. The parts are integrated by a lamination process.

The upper substrate 340 and the support substrate 310 protect the solar panel 300 from the external environment by preventing moisture from penetrating the upper and lower surfaces of the solar cell module 800. The upper substrate 340 and the support substrate 310 may have a multilayer structure such as a layer for preventing moisture and oxygen penetration, a layer for preventing chemical corrosion, and a layer having insulation characteristics.

The protective layer 330 is integrated with the solar cell panel 300 by a lamination process in a state of being disposed on the upper side of the solar cell panel 300, and prevents corrosion due to moisture penetration and prevents the solar cell panel 300 from impact. Protect. The passivation layer 330 may be made of a material such as ethylene vinyl acetate (EVA). The passivation layer 330 may also be formed under the solar cell panel 300.

The upper substrate 340 positioned on the passivation layer 330 is made of tempered glass having high transmittance and excellent breakage prevention function. In this case, the tempered glass may be a low iron tempered glass having a low iron content. The upper substrate 340 may be embossed with an inner surface to increase light scattering effect.

The bus bar 400 is connected to the solar cell panel 300. In more detail, the bus bar 400 is disposed on the top surface of the solar cells 320 disposed at the outermost side. The bus bar 400 is in direct contact with the top surfaces of the solar cells 320 disposed at the outermost portion and is connected to the solar cells 320.

The bus bar 400 may be connected to the cable 600 through a hole by forming a hole in a portion of the support substrate 310.

The junction box 500 is disposed below the solar cell panel 300. The junction box 500 may be attached to the bottom surface of the solar cell panel 300. The junction box 500 may include a diode and may accommodate a circuit board connected to the bus bar 400 and the cable 600.

In addition, the solar cell module 800 according to the embodiment may further include a wiring for connecting the bus bar 400 and the circuit board. The cable 600 is connected to the circuit board and to another solar cell panel 300.

4 is a cross-sectional view showing a frame according to another embodiment of the present invention. According to the embodiment of FIG. 4, the first subframe 120 and the second subframe 140 ′ may include fastening portions 126 and 146, respectively, and the fastening portions may be formed in an uneven shape. have. In detail, the fastening portion may be formed in an 'E' shape by the concave portion and the convex portion.

In more detail, the second subframe 140 ′ may be formed to have a recess in a portion where the first subframe 120 has a protrusion, and the second subframe in a portion where the first sub frame 120 has a recess. The frame 140 ′ may be formed to have a protrusion.

Unevenness may be formed on the surface of the recess and the protrusion for the frictional force, and the protrusion may be formed such that a portion inserted into the recess has a slope as in the embodiment of FIG. 1. By combining the above structure, stability to external pressure in the vertical direction of the solar cell panel may be improved.

In addition, the features, structures, effects and the like described in the embodiments are included in at least one embodiment of the present invention, and are not necessarily limited to only one embodiment. Furthermore, the features, structures, effects, and the like illustrated in each embodiment may be combined or modified with respect to other embodiments by those skilled in the art to which the embodiments belong. Therefore, it should be understood that the present invention is not limited to these combinations and modifications.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood that various modifications and applications are possible. For example, each component specifically shown in the embodiments can be modified and implemented. It is to be understood that all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (9)

Solar panel; And
And a frame disposed on the side of the solar cell panel.
The frame includes a first support portion disposed on the side of the solar cell panel;
A second support part extending from a first support part and disposed on the solar cell panel;
A third support part extending from the first support part and disposed under the solar cell panel; And
A solar cell module comprising a fastening part connected to the first support part. The method of claim 1,
The fastening part may include a first extension part extending outward from an end of the first support part; And
And a second extension part extending from the first extension part and facing the first support part. The method of claim 2,
The fastening part is a solar cell module, the cross section is formed in a 'b' or 'b' shape. The method of claim 1,
The fastening part is a solar cell module formed of the same material as the frame. The method of claim 1,
The fastening part is a solar cell module is formed in the cross-section 'E' shape. The method of claim 2,
The second extension portion is formed of a solar cell module having a slope. The method of claim 2,
At least one of the first extension portion and the second extension portion is a solar cell module is formed with irregularities on the surface. Solar panel;
A first frame disposed at one end of a side surface of the solar cell panel; And
And a second frame formed at a position opposite to the first frame at the other end of the side surface of the solar cell panel.
Each of the first frame and the second frame extends outwardly; And a second extension part extending from the first extension part and facing the first support part. 9. The method of claim 8,
The first frame has a cross-section 'b' shape, the second frame has a cross-section 'b' shape of the solar cell module.

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