KR20160051189A - High concentrating photovoltaic module preventing sag of baseplate - Google Patents

High concentrating photovoltaic module preventing sag of baseplate Download PDF

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Publication number
KR20160051189A
KR20160051189A KR1020140150729A KR20140150729A KR20160051189A KR 20160051189 A KR20160051189 A KR 20160051189A KR 1020140150729 A KR1020140150729 A KR 1020140150729A KR 20140150729 A KR20140150729 A KR 20140150729A KR 20160051189 A KR20160051189 A KR 20160051189A
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KR
South Korea
Prior art keywords
solar cell
base plate
plate
pair
press
Prior art date
Application number
KR1020140150729A
Other languages
Korean (ko)
Inventor
김장균
고건웅
김성빈
Original Assignee
(주)애니캐스팅
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Priority to KR1020140150729A priority Critical patent/KR20160051189A/en
Publication of KR20160051189A publication Critical patent/KR20160051189A/en

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    • 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
    • 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
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/20—Optical components
    • H02S40/22—Light-reflecting or light-concentrating means
    • 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
    • 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
    • Y02E10/52—PV systems with concentrators

Abstract

The present invention relates to a highly concentrated solar cell module capable of preventing sagging of a base plate. A highly concentrated solar cell module according to the present invention comprises a frame comprising a side plate and a base plate; A solar cell assembly comprising: a solar cell; A lens plate provided at an upper portion of the frame for condensing the incident light into the solar cell; And a rigid member that prevents sagging of the base plate.

Description

HIGH CONCENTRATING PHOTOVOLTAIC MODULE PREVENTING SAG OF BASEPLATE [0002]

The present invention relates to a highly concentrated solar cell module capable of preventing sagging of a base plate.

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

However, due to the breakthrough of high efficiency III-V compound semiconductor solar cell (multi-junction solar cell), it has been concluded that a multi-junction solar cell uses a low-cost condensing device to concentrate solar light (Concetrating Photovoltaic, CPV) devices have been actively studied.

Multi-junction solar cells have a higher energy conversion efficiency than silicon solar cells. In general, multi-junction solar cells have more than 35% energy efficiency, while silicon solar cells have about 20% efficiency Respectively. Particularly under concentration, some multi-junction solar cells currently have an energy efficiency of more than 40%.

As a representative prior art related to a condensing type solar cell module using such a multi-junction solar cell, Korean Unexamined Patent Application Publication No. 10-2013-0134091 (published on Dec. 10, 2013), filed by the present applicant, Type solar cell module panel and a light-collecting solar cell system having the same.

FIG. 1 is a perspective view showing a conventional light concentrating solar cell module, FIG. 2 is a vertical sectional view of a conventional light concentrating solar cell module, and FIG. 3 is an exploded perspective view of a conventional base plate and a vertical plate .

1 to 3, a conventional condensing type solar cell module 1 includes a vertical plate 2, a horizontal plate 3, a lens plate 4, a base plate 5, a base plate 5 And a plurality of solar cells 6 arranged at predetermined intervals.

The vertical plate 2, the horizontal plate 3, and the base plate 5 are made of an aluminum material which is lightweight but has its own rigidity and excellent thermal conductivity, and is integrally manufactured by extrusion molding.

The base plate 5 is composed of a plurality of engraved base plates 7 each of which has a predetermined width in the longitudinal direction and a length corresponding to the length of the transverse plate 25 . Further, the plurality of engraved base plates 7 are arranged in the longitudinal direction and engaged with each other, and are screwed under the vertical plate 2.

However, as shown in FIG. 2, the light-convergence type solar cell module 1 according to the related art has a problem that a phenomenon (8) in which the piece base plate 7 extruded by the material of aluminum is sagged downward occurs. When the engraved base plate 7 provided with the solar cell 6 is sagged downward as described above, not only the structure of the module 1 is weakened but also the focal point between the lens plate 4 and the solar cell 6 The distance or the like is changed and the light-condensing efficiency is lowered.

SUMMARY OF THE INVENTION The present invention provides a highly concentrated solar cell module capable of preventing deflection of a base plate.

A highly concentrated solar cell module according to the present invention comprises a frame comprising a side plate and a base plate; A solar cell assembly comprising: a solar cell; A lens plate provided at an upper portion of the frame for condensing the incident light into the solar cell; And a rigid member that prevents sagging of the base plate.

Preferably, the side plates are comprised of a transverse plate and a longitudinal plate which is longer than the transverse plate, the base plate being arranged in a longitudinal direction and being coupled to the longitudinal plate by a plurality of piece bases Plate, and the rigid member may be provided laterally in the lower portion of each of the plurality of engraved base plates.

More preferably, each of the plurality of engraved base plates is provided with at least one pair of press-fit ribs formed laterally in the lateral direction so that the rigid member is press-fitted into the engaging base, And may be integrally formed with the engraved base plate.

The solar cell assembly may further include: a heat pipe extending in the transverse direction; A circuit board on which the solar cell is mounted and attached to the heat pipe; And a pair of seating part forming ribs protruding in the lateral direction so as to be long in the horizontal direction so that the seat part on which the heat pipe is seated is elongated in the transverse direction, And a radiating rib may protrude from below the base plate.

The inner side surface of the seating part forming rib may be formed with an inner side engaging step for fixing the heat pipe seated on the seating part.

The solar cell assembly further includes a secondary lens disposed on the heat pipe so as to cover the circuit board and configured to condense sunlight condensed on the lens plate with the solar cell, And a fixing elastic member coupled to the pair of seating part forming ribs in a state of pressing the secondary lens.

Meanwhile, a sculpted base plate for a highly-concentrated solar cell module according to the present invention is a sculpted base plate for a highly concentrated solar cell module in which a plurality of solar cell assemblies including solar cells are arranged in the longitudinal direction, A pair of seating part forming ribs protruding in the longitudinal direction so that the seating part in which the plurality of solar cell assemblies are arranged in the longitudinal direction is long in the longitudinal direction and the heat dissipating ribs And a rigid member formed integrally with the press-fit ribs protruded in the longitudinal direction and press-fitted into the pair of press-fit ribs.

The highly concentrated solar cell module according to the present invention having the above-described structure can prevent the base plate from being sagged by the rigid member.

Further, since the rigid member of the highly concentrated solar cell module according to the present invention is longitudinally provided in the lower portion of each of the engraved base plates, the plurality of engraved base plates are arranged in the longitudinal direction to deflect the base plate coupled to the longitudinal plate Can be effectively prevented.

In addition, since the rigid member is integrally formed in a state in which the rigid member is press-fitted into the press-fitting ribs formed at the bottom of each piece base plate, the rigid member is automatically assembled together A rigid member for preventing sagging of the base plate can be provided in the module without a separate process for assembling the rigid member.

Further, in the highly concentrated solar cell module according to the present invention, the circuit board on which the solar cell is mounted is attached to the heat pipe directly above the long heat pipe having the heat radiation function, and the heat pipe is connected to the base plate The heat generated from the solar cell is effectively dissipated to a large area by the heat pipe, and then the heat can be more effectively radiated to the outside by the base plate sequentially, and thus the heat radiation effect can be maximized.

Further, since the highly-concentrated solar cell module according to the present invention is provided so as to cover the circuit board, there is no need for a separate structure for protecting the solar cell and the circuit board, so that the overall configuration can be simplified .

Further, since the highly concentrated solar cell module according to the present invention further includes a fixing elastic member which is coupled to a pair of seating portion forming ribs formed on the base plate and presses the secondary lens, it is easy to fix the secondary lens The heat pipe can be more firmly fixed together with the secondary lens and the contact between the circuit board and the heat pipe and the contact between the heat pipe and the base plate can be made more tight by the pressing of the fixing elastic member, Can be further improved.

The effects according to the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims and the detailed description It will be possible.

FIG. 1 is a perspective view showing a condensing type solar cell module according to the related art,
FIG. 2 is a vertical cross-sectional view of a light-condensing type solar cell module according to the related 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 of a highly concentrated 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,
FIG. 6 is a partial cross-sectional view taken along line BB of FIG. 4,
7 is a perspective view illustrating a solar cell assembly according to an embodiment of the present invention,
8 is a view showing a state in which the solar cell assembly is coupled to the base plate,
9 is an exploded perspective view of the solar cell assembly and the base plate,
10 is a view for explaining a preferred embodiment of the rigid member.

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

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. Rather, the intention is not to limit the invention to the particular forms disclosed, but rather, the invention includes all modifications, equivalents and substitutions that are consistent with the spirit of the invention as defined by the claims.

Also, in the accompanying drawings, thickness and size are exaggerated for clarity of description, and thus the present invention is not limited by the relative size or thickness shown in the attached drawings.

Meanwhile, in this specification, relative terms such as 'vertical direction' and 'horizontal direction' can be used to describe the relationship between the structures on the basis of the directions shown in the drawings, and the present invention is not limited to such terms.

FIG. 4 is a perspective view showing a highly concentrated solar cell module according to an embodiment of the present invention, FIG. 5 is a partial cross-sectional view taken along line AA in FIG. 4, FIG. 7 is a perspective view showing a solar cell assembly according to an embodiment of the present invention, and FIG. 8 is a view showing a state in which a solar cell assembly is coupled to a base plate.

4 to 8, a highly concentrated solar cell module 10 according to an embodiment of the present invention includes a frame made up of a side plate and a base plate 30, a rigid member 30 for preventing sagging of the base plate 30, A solar cell assembly 100 provided with a solar cell 102 and a solar cell 102 and coupled to the base plate 30, And a lens plate (20).

The frame is elongated in the longitudinal direction (y) and has a stiffness by itself. The frame may include a side plate and a base plate (30), and the frame may be opened upward.

The side plate may be composed of a transverse plate 25 which is shorter in the transverse direction x and a longitudinal plate 50 which is longer than the transverse plate 25 in the longitudinal direction y.

A plurality of heat dissipating ribs 51 for improving rigidity may be formed on the vertical plate 50. The heat dissipating ribs 51 are formed on the outer surface of the vertical plate 50 so as to protrude from the vertical plate 50, And at the same time, the area of contact with the outside is increased so that the heat generated in the closed frame and transferred to the vertical plate (50) is smoothly discharged to the outside.

An engaging rib for screwing with the vertical plate 50 may be formed on the inner or outer surface of the transverse plate 25. The engaging rib may improve the rigidity of the transverse plate 25, (50).

The vertical plate 50, the horizontal plate 25, and the base plate 30 constituting the frame are preferably formed of an aluminum material having a lightweight, self-rigidity and excellent thermal conductivity, and can be easily manufactured and assembled as a whole. That is, the vertical plate 50, the transverse plate 25, and the base plate 30 are integrally formed by extrusion so as to have a stiffness structure.

The base plate 30 is composed of a plurality of piece base plates 40 each having a predetermined width in the longitudinal direction y and arranged in the longitudinal direction y and engaged and screwed to the vertical plate 50, .

The rigid member 90 is a structure in which the base plate 30 is sagged downward and preferably has a width x in the lower portion of each of the engraved base plates 40 to effectively prevent the base plate 30 from sagging. (Or in the longitudinal direction of the engraved base plate 40), and more preferably the engraved base plate 40 is press-fitted into the engraved base plate 40 As shown in Fig. A detailed description thereof will be described later.

The lens plate 20 is provided on the upper part of the frame to condense the sunlight incident on the solar cell 102. The lens plate 20 condenses incident sunlight into a plurality of solar cells 102 A plurality of pattern units 22 may be provided, and the pattern units 22 may be provided in the form of a Fresnel lens. That is, the lens plate 20 may be provided with a plurality of Fresnel lens patterns formed on a plate. In addition, the lens plate 20 may be formed of a single plate, but may be composed of a plurality of piece lens plates arranged and coupled to the frame.

The solar cell assembly 100 includes a heat pipe 110 that is long in the longitudinal direction (or in the transverse direction x), a solar cell 100 that is long in the longitudinal direction A circuit board 104 on which the solar cell 102 is mounted, and a wire 130 for allowing the solar cell 102 to be energized with each other.

The solar cell 102 may be a high efficiency III-V compound semiconductor multi-junction solar cell that converts solar energy into electrical energy, and the circuit board 104 may be used with other components And may be a receiver or a carrier commonly used in the technical field of the present invention in which the solar cell 11 is mounted. That is, in the present invention, the circuit board 104 is configured to mount the solar cell 102, and the embodiments can be configured in various forms.

The circuit board 104 is directly attached to the heat pipe 110 by soldering or soldering or the like. That is, in the solar cell assembly 100 according to the present invention, the circuit board 104 on which the solar cell 102 is mounted is directly attached to the heat pipe 110, which is long in the longitudinal direction, The heat generated from the solar cell 102 can be efficiently transmitted along the longitudinal direction of the heat pipe 110 and can be radiated to a wide area do.

7, a solar cell assembly 100 according to the present invention includes a circuit board 104 on which one solar cell 102 is mounted on one heat pipe 110, So as to be arranged at predetermined intervals. However, the present invention is not limited thereto, and one circuit board 104 may be attached to one heat pipe 110.

A thermally conductive contact member sheet 140 made of a TIM (Thermal Interface Material) material may be interposed between the circuit board 104 and the heat pipe 110. Heat generated in the solar cell 102 mounted on the circuit board 104 can be more smoothly transferred to the heat pipe 110, thereby maximizing the heat radiation effect.

The wire 130 is configured to connect a plurality of solar cells 102 spaced apart from each other at a predetermined interval in series or in parallel, and to be electrically connected to each other. This eliminates the need for a separate wire cover or the like for protecting the conventional coated wire from off-axix sunlight, thus simplifying the overall configuration and assembly.

The ribbon wire 130 includes a length 132, a pair of stepped portions 134 extending downward from both sides of the length 132, a pair of flanges 136 extending from the step 134, ).

The pair of flange portions 136 are connected to the circuit board 104 and can be attached to the circuit board 104 by soldering or the like, and after the attaching and bonding, the ribbon wire 130 is supported. That is, the ribbon wire 130 has a self-fixing structure in which a pair of flange portions 136 are attached and bonded to the circuit board 104 adjacent to and spaced from each other by soldering, welding, or the like I have. The ribbon wire 130 can be fixed in a more stable state by itself, and is preferably formed in a plate shape having a predetermined width as a whole so as to have sufficient current carrying capability.

The ribbon wire 130 can maintain a state in which the length 132 is spaced upward from the bottom by a pair of the flanges 136 and the pair of the stepped portions 134, There is no need for a separate configuration for insulation and thus the overall configuration and assembly can be simplified.

The solar cell assembly 100 is provided on the heat pipe 110 to cover the circuit board 104. The solar cell assembly 100 includes a secondary lens 120 for collecting sunlight condensed in the lens plate 20 by the solar cell 102, ).

The secondary lens 120 includes a cover portion 122 covering the circuit board 104 and a cover portion 122 extending downward from the center portion of the cover portion 122 to guide light incident on the center portion of the cover portion 122 into the solar cell And a lens unit 124 that focuses the light onto the second lens 120. A predetermined space 126 may be formed in the secondary lens 120. [

The solar cell assembly 100 according to the present invention can protect the solar cell 102 and the circuit board 104 from the outside by the cover portion 122 of the secondary lens 120, And the circuit board 104. Therefore, it is possible to simplify the overall construction and assembly.

Preferably, the heat pipe 110 has a groove 114 formed in the longitudinal direction thereof and the circuit board 104 is provided in the groove 114. Thus, it is easy to provide the secondary lens 120 on the circuit board 104.

9 is an exploded perspective view of a solar cell assembly and a sculpted base plate.

9, the seating part 33 on which the heat pipe 110, which is elongated in the longitudinal direction, is seated is disposed in the lateral direction x (or the longitudinal direction of the engraved base plate 40) The seating part 33 may be formed by forming a pair of seating part forming ribs 32 protruding from the top of the engraved base plate 40 to be long in the longitudinal direction. In addition, a radiating rib 31 may protrude from the bottom of the engraved base plate 40.

Therefore, the highly-concentrated solar cell module 10 according to the present invention attaches the circuit board 104 on which the solar cell 102 is mounted to itself directly over the long heat pipe 110 having a heat dissipating function, The heat generated by the solar cell 102 is effectively dissipated to the large area by the heat pipe 110 because the heat pipe 110 is coupled directly to the base plate 30 on which the heat dissipating ribs 31 are formed. The base plate 30 can radiate heat to the outside more effectively, thereby maximizing the heat radiation effect.

The inner side surface of the seating part forming rib 32 may be formed with an inner side engagement step 34 for fixing the heat pipe 110 seated on the seating part 33. Then, when the heat pipe 110 is forced into the seat portion 33 or the heat pipe 110 is coupled to the seat portion 33 while the base plate 30 is slightly bent, It can be fixed in a state of being hooked on the inner engaging jaw 34. Therefore, the module 10 according to the present invention can easily attach and fix the solar cell assembly 100 to the base plate 30 without additional screwing, thereby simplifying the overall construction and assembly.

A thermally conductive contact member sheet 70 made of a TIM (Thermal Interface Material) material may be interposed between the seat portion 33 and the heat pipe 110. [ The heat transferred to the heat pipe 110 can be more smoothly transmitted to the base plate 30, thereby maximizing the heat radiation effect. Here, a low melting point solder containing tin (Sn), indium (In), silver (Ag), copper (Cu), or the like may be used as the thermally conductive adhesive sheet 70. However, the present invention is not limited thereto.

7, a plurality of solar cell assemblies 100 are mounted on the seating portion 33 of the engraved base plate 40 in the transverse direction x (or in the longitudinal direction of the engraved base plate 40) And by vertically joining a plurality of engraved base plates 40 having a plurality of solar cell assemblies 100 arrayed in the lateral direction X in this way, The plurality of solar cells 102 included in the solar cell assembly 100 arranged in this manner are connected to each other by the constant current direction .

A heat dissipating rib 31 is formed under each of the engraved base plates 40. An engaging rib 35 for engaging with the adjacent engraved base plate 40 is formed at both ends of the engraved base plate 40, At least one screw-engaging rib 36 and a pair of seat-seating ribs 32 may be formed. Although an embodiment is shown in which one pair of seating portion forming ribs 32 is formed on one piece base plate 40 in the figure, the present invention is not limited thereto, and a pair of seating portion forming ribs 32 At least two solar cell assemblies 100 arranged in the transverse direction (x) may be arranged in the longitudinal direction (y).

The rigidity of each of the engraved base plates 40 can be improved by the heat dissipating ribs 31, the pair of seating portion forming ribs 32, the engaging ribs 35 and the screwing ribs 36, The area of contact with the outside is widened by the rib 31, so that the heat generated in the closed frame can smoothly discharge the heat transferred to the engraving base plate 40, and the engaging rib 35 can be screwed The engaging and assembling of the engraved base plate 40 made of a thin plate material can be easily performed by the ribs 36.

The highly concentrated solar cell module 10 according to the present invention may further include a fixing elastic member 60 coupled to the pair of seating portion forming ribs 32 in a state of pressing the secondary lens 120.

When the fixing elastic member 60 compresses the secondary lens 120, the heat pipe 110 is pressed at the same time, so that it is easy to fix the secondary lens 120 to the base plate 30 The heat pipe 110 can be more firmly fixed together with the secondary lens 120. The contact between the circuit board 104 and the heat pipe 110 and the contact between the heat pipe 110 and the base plate 30 can be more tightened by the pressing of the fixing elastic member 60, It is possible to maximize it.

Hereinafter, a preferred embodiment of the rigid member 90 according to the present invention will be described in detail.

10 is a view for explaining a preferred embodiment of the rigid member.

10, the rigid member 90 is mounted to the bottom of each of the engraved base plates 40 in the transverse direction x (or the engraved base plate 40) to prevent each engraved base plate 40 from sagging downwardly ) In the longitudinal direction).

Since the rigid member 90 of the large capacity highly concentrated solar cell module 10 according to the present invention is composed of the plurality of the engraved base plates 40 in which the base plate 40 is arranged in the longitudinal direction y, It is preferable that the base plate 40 is provided on each of the engraved base plates 40 to prevent the base plate 40 from being sagged downward.

Each of the engraved base plates 40 is formed so that the length in the lateral direction x (or the longitudinal direction of the engraved base plate 40) is longer than the length in the longitudinal direction y, When the engraved base plates 40 are sagged downward, they are sagged downward with respect to the vertical plates 50 on both sides. In this case, the engraved base plate 40 In order to effectively prevent the rigid member 90 from sagging the engraved base plate 40, the rotation moment M of the vertical plate 50 is increased The rigid member 90 may be provided in the lower part of the engraved base plate 40 in the transverse direction x so as to offset the compressive force of the engraved base plate 40 by the rotational moment of the longitudinal plate 50 M) It is preferable that the material of the engraved base plate 40, that is, a material (e.g., iron, steel or the like) having higher strength and lower elongation than the aluminum extruded material is desirably provided so as to cancel the compressive force of the islet plate 40.

Further, it is preferable that the rigid member 90 is integrally provided at the bottom of each engraved base plate 40. Each of the plurality of engraved base plates 40 is assembled so as to form an array in the longitudinal direction while being screwed to the lower portion of the longitudinal plate 50. In this way, when assembling the plurality of engraved base plates 40 and the longitudinal plate 50, If the rigid member 90 is integrally provided at the lower portion of each of the engraved base plates 40, the vertical plate 50 and the upper plate 50 may be integrally formed with each other, It is not necessary to assemble the rigid member 90 separately at the time of assembling the engraved base plate, so that the whole assembly can be easily performed.

For this purpose, a pair of indentations (not shown) are formed in the lower part of each engraved base plate 40 in the transverse direction x (or in the longitudinal direction of the engraved base plate 40) so that the rigid member 90 is press- Ribs 42 may be protruded and the rigid member 90 may be integrally formed with the engraved base plate 40 while being pressed into the pair of press-fitting ribs 42. 2, the pair of press-fitting ribs 42 are provided below the engraving base plate 40 at predetermined intervals, but the present invention is not limited thereto, and one or three or more, that is, .

In addition, when the pair of press-fitting ribs 42 are formed on the lower part of the engraved base plate 40 as described above, not only the rigid member 90 can be integrally provided on the engraving base plate 40, 40 can be improved.

As described above, the present invention relates to a highly concentrated solar cell module capable of preventing deflection of a base plate and improving heat dissipation function and assemblability by a simple structure, It will be possible. Accordingly, the present invention is not limited to the embodiments disclosed herein, and all changes which can be made by those skilled in the art are also within the scope of the present invention.

10: Highly concentrated solar cell module 20: Lens plate
30: base plate 40: engraved base plate
42: a pair of press-fitting ribs 50: a vertical plate
60: fixed elastic member 90: rigid member
70,140: thermally conductive adhesive sheet
100: solar cell assembly 102: solar cell
104: circuit board 110: heat pipe
120: secondary lens 130: ribbon wire

Claims (7)

A frame comprising a side plate and a base plate;
A solar cell assembly comprising: a solar cell;
A lens plate provided at an upper portion of the frame for condensing the incident light into the solar cell; And
And a rigid member that prevents sagging of the base plate. The method according to claim 1,
The side plates are composed of a transverse plate and a longitudinal plate which is longer than the transverse plate. The base plate is composed of a plurality of piece base plates which are arranged in the longitudinal direction and are engaged with the longitudinal plates respectively under,
Wherein the rigid member is provided at a lower portion of each of the plurality of engraved base plates in a longitudinal direction. 3. The method of claim 2,
Wherein at least one pair of press-fit ribs are formed in a lower portion of each of the plurality of engraved base plates, the pair of press-in ribs being elongated in the transverse direction so that the rigid member is press-
Wherein the rigid member is press-fitted into the pair of press-fitting ribs and is integrated with the engraved base plate. 4. The method according to any one of claims 1 to 3,
The solar cell assembly includes:
A heat pipe extending in the transverse direction;
A circuit board on which the solar cell is mounted and attached to the heat pipe; And
And a wire for allowing the plurality of solar cells to be energized with each other,
A pair of seating part forming ribs protruding in the lateral direction so as to be long in the horizontal direction and a heat dissipating rib protruding from the bottom part of the base plate are formed on the upper part of the base plate, Solar module. 5. The method of claim 4,
And the inner side surface of the seating part forming rib is formed with an inner side engaging step for fixing the heat pipe seated on the seating part. 5. The method of claim 4,
The solar cell assembly further includes a secondary lens provided on the heat pipe so as to cover the circuit board and configured to condense sunlight condensed on the lens plate with the solar cell,
Wherein the highly concentrated solar cell module further comprises a fixing elastic member coupled to the pair of seating portion forming ribs in a state of pressing the secondary lens. 1. A sculpted base plate for a highly concentrated solar cell module in which a plurality of solar cell assemblies provided with solar cells are arranged in the longitudinal direction,
A pair of seating part forming ribs are protruded in the longitudinal direction so that a seating part on which the plurality of solar cell assemblies are arranged in the longitudinal direction and is long in the longitudinal direction is formed on the top of the piece base plate,
A radiating rib and a pair of press-fitting ribs are protruded and formed in a lengthwise direction on a lower portion of the engraved base plate,
And a rigid member integrally provided in a state of being press-fitted into the pair of press-fitting ribs.
KR1020140150729A 2014-10-31 2014-10-31 High concentrating photovoltaic module preventing sag of baseplate KR20160051189A (en)

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