WO2016068365A1 - Horizontal plate integrally having filter housing and high concentration solar cell module having same - Google Patents

Abstract

The present invention relates to a horizontal plate integrally having a filter housing and a high concentration solar cell module having same. A high concentration solar cell module, according to the present invention, comprises: a frame having a horizontal plate, on which a vent opening is formed, a vertical plate, which is longer than the horizontal plate, and a base plate; a solar cell assembly having provided a solar cell and attached to the base plate; a lens plate provided above the frame and for concentrating incident light onto the solar cell; a filter housing protruding outside the horizontal plate and covering the vent opening; and a filter portion provided on the inner side of the horizontal plate and covering the vent opening, wherein the filter housing can be integrally formed during extrusion-molding of the horizontal plate.

Description

Horizontal plate having a filter housing integrally and a high light collecting solar cell module having the same

The present invention relates to a horizontal plate integrally provided with a filter housing and a high light collecting solar cell module having the same.

Recently, photovoltaic (PV) devices using photovoltaic (PV) are widely used. In particular, photovoltaic devices using silicon solar cells are mainly used.

However, with the rapid development of high-efficiency III-V compound semiconductor multi-junction solar cell, concentrating photovoltaic, CPV) devices are actively being researched.

Multi-junction solar cells have higher energy conversion efficiencies compared to silicon solar cells. In general, multi-junction solar cells have more than 35% energy efficiency, while silicon solar cells are about 20% efficient. Has Particularly under concentration, some multi-junction solar cells now have energy efficiency of over 40%.

As a representative conventional technology for a light concentrating solar cell module using such a multi-junction solar cell, the present application is disclosed in Korean Patent Application Publication No. 10-2013-0134091 (published Dec. 10, 2013) A solar cell module panel and a light converging photovoltaic power generation system having the same are disclosed.

1 is a perspective view showing a light collecting solar cell module according to the prior art, Figure 2 is a vertical sectional view of a light collecting solar cell module according to the prior art, Figure 3 is an exploded perspective view of a base plate and a vertical plate according to the prior art. .

1 to 3, the light collecting solar cell module 1 according to the related art includes a vertical plate 2, a horizontal plate 3, a lens plate 4, a base plate 5, and a base plate 5. The solar cell 6 is arranged in a plurality at predetermined intervals.

Vertical plate (2), horizontal plate (3), the base plate (5) is light and has its own rigidity, made of an aluminum material excellent in thermal conductivity, and is integrally manufactured by extrusion molding.

The base plate 5 is composed of a plurality of piece base plate (7), each of the plurality of piece base plate (7) has a predetermined width in the longitudinal direction, the length corresponding to the length of the horizontal plate (25). . In addition, the plurality of pieces of base plate 7 are arranged in the longitudinal direction to be coupled to each other, screwed to the bottom of the vertical plate (2).

In addition, in the case of the light collecting solar cell module 1 according to the related art having the above configuration, there is provided a vent for communicating the sealed interior and exterior of the module 1, such as water and foreign matter through the vent. (1) Vents are to be provided with filters in order to prevent them from entering the inside, and filter housings for protecting the vents with filters from the external environment are to be provided.

However, the light collecting solar cell module 1 according to the related art has a problem in that the filter housing is configured separately from the module 1 and mounted to the outside of the module 1 through a separate process.

The present invention is to solve the above problems, and provides a horizontal plate having a filter housing integrated in the module and a high light collecting solar cell module having the same.

Highly concentrating solar cell module according to the present invention comprises a frame consisting of a horizontal plate, a longitudinal plate and a base plate formed longer than the horizontal plate formed with a vent; Is provided with a solar cell, the solar cell assembly coupled to the base plate; A lens plate provided on the frame to condense incident light to the solar cell; A filter housing protruding outward from the horizontal plate to cover the vent hole; And a filter unit provided at an inner side surface of the horizontal plate to block the air vent, wherein the filter housing may be integrally formed during extrusion of the horizontal plate.

The filter housing may include two side parts extending outwardly from the outer side of the horizontal plate, and a front part connecting the two side parts to form a predetermined space between the outer side of the horizontal plate and the two side parts. Side portion and the front portion may be formed long in the longitudinal direction of the horizontal plate.

Preferably, in the space of the filter housing, partition walls intersecting with each other in a zigzag may be formed long in the longitudinal direction of the horizontal plate.

Preferably, the outlet side is formed in the lower side of the two side portion, the partition portion may be provided between the vent and the outlet.

Preferably, the upper portion of the partition wall may protrude upwardly at predetermined intervals may be formed long in the longitudinal direction of the horizontal plate.

In addition, the high-concentration solar cell module according to the present invention is characterized in that the opening formed in the front and rear of the filter housing is blocked by the vertical plate when screwing the horizontal plate and the vertical plate.

On the other hand, the horizontal plate for a high-concentration type solar cell module according to the present invention is a horizontal plate for a high-concentration type solar cell module in which a vent is formed, integrally during the extrusion of the horizontal plate to cover the vent hole to the outside of the horizontal plate And a filter housing protruding from the filter housing, wherein the filter housing has two side portions extending outwardly from the outer surface of the horizontal plate and connects the two side portions to form a predetermined space between the outer surface of the horizontal plate. It consists of a front portion, the two side portion and the front portion may be formed long in the longitudinal direction of the horizontal plate.

The horizontal plate according to the present invention having the above configuration does not need to be mounted through a separate process because the filter housing is integrally provided to protect the air vent provided with the filter from the external environment.

In addition, the horizontal plate according to the present invention can easily integrate the filter housing since the filter housing is integrally extruded in a state of protruding outward of the horizontal plate during extrusion molding.

In addition, the high-condensing solar cell module according to the present invention is a screw of the horizontal plate and the vertical plate through the opening of the filter housing formed on both sides in the longitudinal direction of the horizontal plate generated as the filter housing is formed integrally during extrusion of the horizontal plate. When combined, it can be naturally blocked by the vertical plate without a separate process, so that the inside of the filter housing can be easily closed.

Effects according to the present invention are not limited to the above-mentioned effects, and other effects not mentioned above will be clearly understood by those skilled in the art from the claims and the detailed description. Could be.

1 is a perspective view showing a light collecting solar cell module according to the prior art,

2 is a vertical cross-sectional view of a light collecting solar cell module according to the prior art,

3 is an exploded perspective view of a base plate and a vertical plate according to the prior art,

4 is a perspective view showing a high light collecting solar cell module according to an embodiment of the present invention;

5 is a partial cross-sectional view taken along the line A-A of FIG. 4,

6 is a partial cross-sectional view taken along the line B-B of FIG. 4,

FIG. 7 is an enlarged view of region 'A' of FIG. 6,

8 is a schematic exploded perspective view of a vertical plate and a horizontal plate according to the present invention,

9 is a view showing the structure of the filter housing according to another embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

While the invention allows for various modifications and variations, specific embodiments thereof are illustrated by way of example in the drawings and will be described in detail below. However, it is not intended to be exhaustive or to limit the invention to the precise forms disclosed, but rather the invention includes all modifications, equivalents, and alternatives consistent with the spirit of the invention as defined by the claims.

In addition, the thickness and size in the accompanying drawings are exaggerated for clarity of the specification, the present invention is not limited by the relative size or thickness shown in the accompanying drawings.

On the other hand, relative terms such as "vertical direction" and "landscape direction" in this specification can be used to describe the relationship between the components based on the direction shown in the drawings, the present invention is not limited by such terms.

4 is a perspective view illustrating a highly light collecting solar cell module according to an embodiment of the present invention, FIG. 5 is a partial cross-sectional view taken along line AA of FIG. 4, and FIG. 6 is a cutaway view taken along line BB of FIG. 4. It is a cross section.

4 to 6, the highly concentrating solar cell module 10 according to an embodiment of the present invention is provided with a frame consisting of a side plate and a base plate 30, a solar cell 102, and a base plate 30. Solar cell assembly (100) coupled to the), provided on the frame includes a lens plate 20 for condensing the incident sunlight to the solar cell (102).

The frame is elongated in the vertical direction (y), is provided to have rigidity (stiffness) by itself, and may be formed in the form of the upper side is formed of the side plate and the base plate (30).

The side plate may be composed of a horizontal plate 25 made short in the horizontal direction (x), and a vertical plate 50 made longer in the longitudinal direction (y) than the horizontal plate 25.

A plurality of heat dissipation ribs 51 may be formed in the vertical plate 50 to improve rigidity, and the heat dissipation ribs 51 may protrude on the outer surface of the vertical plate 50 to provide rigidity of the vertical plate 50. At the same time to increase the contact area with the outside to increase the heat generated in the closed frame inside the vertical plate 50 to smoothly conduct to the outside and discharged.

On the inner side or the outer side of the horizontal plate 25, a coupling rib for screwing with the vertical plate 50 may be protruded, and this coupling rib may improve the rigidity of the horizontal plate 25 and at the same time the vertical plate Screwing with (50) can be made easy.

The vertical plate 50, the horizontal plate 25, and the base plate 30 constituting the frame are preferably made of aluminum, which is light and has excellent thermal conductivity, which has its own rigidity. The frame, that is, the vertical plate 50, the horizontal plate 25, and the base plate 30 may be integrally manufactured by extrusion molding so as to have a structure having low stiffness.

The lens plate 20 is configured to condense incident solar light to the solar cell 102 provided on the upper portion of the frame. A plurality of pattern portions 22 may be provided, and the pattern portions 22 may be provided in the form of a Fresnel lens. That is, the lens plate 20 may be provided in a form in which a plurality of Fresnel lens patterns are formed on a plate. In addition, the lens plate 20 may be made of one plate, but may be made of a plurality of piece lens plates arranged and coupled to an upper portion of the frame.

The solar cell assembly 100 is a configuration to maximize the heat dissipation effect and simplify assembly as a simple configuration, the heat pipe 110, the solar cell is made long in the longitudinal direction (or horizontal direction (x)) A circuit board 104 on which the 102 is mounted, and a wire 130 for allowing the solar cell 102 to conduct electricity with each other.

The base plate 30 is provided with a seating portion 33 on which the heat pipe 110 made to extend in the longitudinal direction is elongated in the horizontal direction (x), and the seating portion 33 protrudes above the base plate 30. The pair of seating forming ribs 32 may be formed by being formed to extend in the horizontal direction. In addition, a heat dissipation rib 31 may protrude from a lower portion of the base plate 30.

The solar cell 102 is a configuration for converting solar energy into electrical energy. A high efficiency III-V compound semiconductor multi-junction solar cell may be used, and the circuit board 104 may be combined with other components. As a configuration in which the solar cell 11 is mounted, the solar cell 11 may be a receiver or a carrier generally used in the art. That is, in the present invention, the circuit board 104 is a configuration in which the solar cell 102 is mounted, and the embodiment may be configured in various forms.

The circuit board 104 is directly attached to the heat pipe 110 by soldering or soldering. The wire 130 is configured to connect the plurality of solar cells 102 spaced at predetermined intervals in series or in parallel so as to be energized with each other, and is preferably made of an uncoated ribbon wire 30.

In addition, the solar cell assembly 100 is provided on the heat pipe 110 to cover the circuit board 104, the secondary lens 120 for condensing the sunlight collected from the lens plate 20 to the solar cell 102 And a fixed elastic member 60 coupled to the base plate 30 in a state in which the secondary lens 120 is compressed.

7 is an enlarged view of region 'A' of FIG. 6, and FIG. 8 is a schematic exploded perspective view of a vertical plate and a horizontal plate according to the present invention.

7 and 8, the highly light-concentrating solar cell module 10 according to an embodiment of the present invention is provided in the horizontal plate 25 to communicate with the sealed inside and outside of the module 10. ), The filter housing 150 provided on the inner surface 27 of the horizontal plate 25 and protruding to the outside of the horizontal plate 25 to block the air vent 26 to cover the air vent 26. ) May be further included.

The filter unit 150 is configured to prevent water and foreign substances from flowing into the module 10 through the air vent 26. The filter unit 150 is provided on the inner side 27 of the horizontal plate 25 to provide the air vent 26. The blocking member may include a filter 151 and a fixing member 152 that fixes the filter 151 to the inner surface 27 of the horizontal plate 25.

The filter 151 may be formed of a membrane in which very small micropores are formed, and the fixing member 152 may be formed of a metal mesh. Then, the membrane-type filter 151 is installed on the inner surface 27 of the horizontal plate 25 to block the air vent 26, and then the fastening member in the state in which the fixing member 152 of the mesh shape is covered on the filter 151. When the fixing member 152 is fixed to the inner side 27 of the horizontal plate 25 by pressing, the filter 151 is allowed to flow in and out through the filter 151 and the fixing member 152. The inner surface 27 of the horizontal plate 25 can be firmly fixed.

The filter housing 160 is configured to protect the air vent 26 provided with the filter 151 from the external environment, and may protrude from the outer surface 28 of the horizontal plate 25.

The filter housing 160 connects two side portions 161 and 162 extending outwardly from the outer side 28 of the horizontal plate 25 and two side portions 161 and 162 to connect with the outer side 28 of the horizontal plate 25. It may be made of a front portion 164 to form a predetermined space 163 therebetween.

In addition, the lower side portion 161 of the two side portions 161 and 162 may be provided with a discharge port 165 through which water generated in the space 163 is discharged. Then, while preventing foreign matter from flowing into the interior of the space 163, moisture generated in the interior of the space 163 may be smoothly discharged to the outside.

Preferably, the filter housing 160 may be integrally formed during extrusion of the horizontal plate 25. To this end, the filter housing 160 may be formed long in the longitudinal direction (or horizontal direction (x)) of the horizontal plate (25). For example, the two side parts 161 and 162 and the front part 164 forming the filter housing 160 may be integrally formed together when the horizontal plate 25 is extruded, so that the two side parts 161 and 162 and the front part are formed together. The portion 164 may be formed long in the longitudinal direction of the horizontal plate 25. In this case, when the horizontal housing 25 is extrusion molded, the filter housing 160 is integrally formed, and thus it is not necessary to attach the module to the module separately as in the related art.

As shown in FIG. 8, when the filter housing 160 is integrally formed together during the horizontal plate 25 extrusion, the front and rear of the filter housing 160 (both ends in the longitudinal direction of the horizontal plate 25) are formed. An opening 166 is formed in the module 10. The module 10 according to the present invention may allow the opening 166 to be blocked without a separate configuration when the horizontal plate 25 and the vertical plate 50 are coupled to each other.

For example, a coupling rib 29 for screwing the vertical plate 50 may protrude from the inner side 27 (or the outer side 28) of the horizontal plate 25, and the vertical plate ( The fastening hole 53 may be formed in the 50, and the vertical plate 50 may have an extension part 54 extending further from the fastening hole 53.

Then, when the filter housing 160 is integrally formed together during the horizontal plate 25 extrusion, the openings 166 formed at the front and the rear of the filter housing 160 may have the horizontal plate 25 and the vertical plate 50. As it can be naturally blocked by the extension portion 54 of the vertical plate 50 at the time of screwing), the inner space 163 of the filter housing 160 is the horizontal plate 25 and the vertical without a separate configuration and process It can be naturally closed by the coupling of the plate (50).

In addition, the highly concentrated solar cell module 10 according to the present invention may further include a filter member 153 provided in the space 163 of the filter housing 160.

The filter member 153 is configured to primarily filter the foreign matter such as dust introduced from the outlet 169 so as not to flow into the membrane filter 151 provided in the air vent 26. The filter member 153 may be minutely provided in the membrane filter 151. This is to prevent the hole from being blocked by foreign matter such as dust.

The filter member 153 is preferably replaced periodically, for this purpose, the outlet 165 of the filter housing 160 is formed long in the longitudinal direction of the horizontal plate 25 to facilitate the replacement of the filter member 153. Can be.

9 is a view showing the structure of the filter housing according to another embodiment of the present invention.

Referring to FIG. 9, the filter housing 160 according to the present exemplary embodiment may include a partition 170 that is integrally formed to cross each other in a zigzag fashion in the space 163.

The partition 170 is configured to replace the function of the filter member 153. When the partition 170 is formed to cross each other in a zigzag in the space 163, foreign matters such as dust flowing from the discharge port 165 It is possible to prevent the barrier rib 170 from flowing into the membrane filter 151 provided in the air vent 26.

As such, when the partition wall 170 that replaces the filter member 153 is integrally formed in the space 163 of the filter housing 160, the filter member 153 is periodically provided in the space 163. There is no need to replace it.

The partition wall part 170 may include a first partition wall part 171 protruding from the inner side surface 167 of the front part 164 of the filter housing 160, and a horizontal plate 25 facing the inner side surface 167. The second partition 172 may protrude from the outer surface 28, and the first partition 171 and the second partition 172 may be provided in a zigzag form.

The partition wall part 170 is a structure for preventing foreign matters, such as dust flowing from the outlet port 165, from entering the membrane filter 151 provided in the vent hole 26, between the vent hole 26 and the outlet port 165. It may be provided in.

The partition wall portion 170 is preferably formed to be elongated in the longitudinal direction of the horizontal plate 25 so as to be integrally extruded into the space 163 of the filter housing 160 during extrusion of the horizontal plate 25.

In addition, the upper portion of the partition wall 170 may be provided with a protrusion 173 protruding upward at a predetermined interval. Then, when air flows on the space 163 of the filter housing 160, foreign matters such as dust included in the air may be collected by the protrusion 173.

Like the partition wall part 170, the protrusion 173 is formed to be elongated in the longitudinal direction of the horizontal plate 25 so as to be integrally extruded while protruding from the upper part of the partition wall 170 when extrusion of the horizontal plate 25 is performed. desirable.

As described above, the present invention relates to a horizontal plate integrated with a filter housing and a highly light-concentrating solar cell module having the same, and embodiments thereof may be modified in various forms. Therefore, the present invention is not limited to the embodiments disclosed in the present specification, and all forms changeable by those skilled in the art to which the present invention pertains will belong to the scope of the present invention.

Claims (10)

A horizontal plate having a vent formed therein, a frame formed of a vertical plate and a base plate formed longer than the horizontal plate; Is provided with a solar cell, the solar cell assembly coupled to the base plate; A lens plate provided on the frame to condense incident light to the solar cell; A filter housing protruding outward from the horizontal plate to cover the vent hole; And And a filter unit provided at an inner side surface of the horizontal plate to block the air vent. The filter housing is a high concentration solar cell module, characterized in that formed integrally during the extrusion molding of the horizontal plate. The method of claim 1, The filter housing is composed of two side portions extending outward from the outer surface of the horizontal plate, the front portion connecting the two side portions to form a predetermined space between the outer surface and the horizontal plate, The two side parts and the front portion is a high light collecting solar cell module, characterized in that formed in the longitudinal direction of the horizontal plate. The method of claim 2, The high concentration solar cell module, characterized in that the partition wall portion intersecting with each other in a zigzag space is formed long in the longitudinal direction of the horizontal plate in the space of the filter housing. The method of claim 3, wherein A discharge port is formed at a lower side of the two side parts, and the partition wall part is provided between the vent and the discharge port. The method of claim 3, wherein A high concentrating solar cell module, characterized in that the upper part of the partition wall protruding upwardly at a predetermined interval is formed long in the longitudinal direction of the horizontal plate. The method of claim 2, Openings formed in the front and rear of the filter housing is a high-concentration solar cell module, characterized in that blocked by the vertical plate when screwing the horizontal plate and the vertical plate. In the horizontal plate for a high-concentration solar cell module is formed vents, When the extrusion of the horizontal plate to cover the vent comprises a filter housing which is integrally formed to the outside of the horizontal plate, The filter housing is composed of two side portions extending outward from the outer surface of the horizontal plate, the front portion connecting the two side portions to form a predetermined space between the outer surface and the horizontal plate, The two side parts and the front portion is a horizontal plate for a high-concentration solar cell module, characterized in that formed in the longitudinal direction of the horizontal plate. The method of claim 7, wherein The horizontal plate of the high condensing solar cell module, characterized in that the partition wall portion intersecting each other in a zigzag space in the filter housing space is formed long in the longitudinal direction of the horizontal plate. The method of claim 8, A discharge port is formed at a lower side of the two side parts, and the partition wall part is provided between the vent and the discharge port. The method of claim 8, The horizontal plate of the high-concentration solar cell module, characterized in that the upper portion of the partition protruding upwardly at a predetermined interval formed in the longitudinal direction of the horizontal plate.

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