KR102176534B1 - a Solar cell module - Google Patents

Abstract

The present invention relates to a non-condensing solar cell of a rectangular shape in which the corners are cut; A cell support panel on which the non-condensing solar cell is disposed; A plurality of condensing solar cell units each installed in each uninstalled area in which cut corners of the non-condensing solar cell arranged in the cell support panel are gathered and formed, and generating power by sunlight; And a condensing cover including a cover frame formed to surround a side surface of the cell support panel, and a panel frame formed on the cover frame, wherein the condensing cover includes a plurality of non-condensing solar panels inside the cover frame. It provides a solar cell module, characterized in that the battery cell is attached.

Description

Solar cell module {a Solar cell module}

The present invention relates to a solar cell module in which a condensing type solar cell unit and a non-condensing type solar cell are installed in combination to generate power by sunlight.

In general, a solar cell is a device that generates power by sunlight, and is a non-condensing type solar cell and a condensing type that generates solar light collected by a condensing device such as a lens. It is divided into solar cells.

On the other hand, a plurality of non-condensing solar cells are arranged and installed on a flat plate, but the condensing solar cells have a difficult problem to install together because a condensing device capable of condensing light must be located in front of the power plant.

In order to solve this problem, conventionally, a hybrid solar cell of Korean Patent Publication No. 10-1217540 (announced on Jan. 2, 2013) has been disclosed.

A conventional hybrid solar cell is a hybrid solar cell that integrally comprises a condensing type solar cell and a non-condensing type solar cell, and includes a plurality of non-condensing type solar cells that perform solar power generation by direct irradiation of sunlight; One or more condensing solar cells for performing solar power generation by condensing sunlight; A condenser for collecting and supplying sunlight to the one or more condensing solar cells; And a condensing unit for collecting and supplying sunlight incident through the condensing unit to the condensing solar cell. And a solar tracking system for accurately condensing sunlight incident through the condensing unit into the condensing solar cell, wherein the at least one condensing solar cell is buried in the non-condensing solar cell and And it was configured to be installed by any one of the three-axis tracking system.

Such a conventional hybrid solar cell is installed in a form in which a condensing solar cell is buried in a non-condensing solar cell, so that power generation efficiency of power generation by both condensing and non-condensing solar cells can be improved.

However, in the conventional hybrid solar cell, not only the damage of the non-condensing type solar cell occurs because the non-condensing type solar cell must be cut in order to bury the condensing type solar cell in the non-condensing type solar cell. There is a problem in that the power generation efficiency of the non-condensing solar cell is decreased due to.

In order to solve the above problems, the present invention not only prevents a decrease in power generation efficiency by installing a condensing solar cell without damaging the non-condensing solar cell, but also the condensing solar cell and the non-condensing solar cell. It is to provide a solar cell module with improved power generation efficiency by efficiently arranging the cells to perform power generation at the same time.

In order to achieve the above object, the present invention provides a non-condensing solar cell of a rectangular shape with an incisal corner; A cell support panel on which the non-condensing solar cell is disposed; A plurality of condensing solar cell units each installed in each uninstalled area in which cut corners of the non-condensing solar cell arranged in the cell support panel are gathered and formed, and generating power by sunlight; And a condensing cover including a cover frame formed to surround a side surface of the cell support panel, and a panel frame formed on the cover frame, wherein the condensing cover includes a plurality of non-condensing solar panels inside the cover frame. The battery cell is attached.

The cell support panel is provided with a condensing cell mounting hole through which the condensing solar cell unit is mounted, and the condensing cell mounting hole is mounted so that the lower portion of the condensing solar cell unit is exposed to the lower surface of the cell support panel. I can.

The condensing type solar cell unit is attached to a lower surface of the condensing type power plant generating power by the sunlight, a circuit board on which the condensing type power plant is mounted, and the condensing type power generating unit attached to the lower surface of the circuit board on which the condensing type power generating unit is installed. A heat sink that dissipates heat generated from and is installed vertically on the part on which the condensing power plant is mounted on the circuit board to reflect sunlight collected through the condensing cover to reflect sunlight to be provided to the condensing power plant. The reflective surface to be made may include a hollow condensing pipe provided on the inner surface.

The condensing cover includes a support pipe for supporting each of the cover frame and the panel frame, and a spaced installation plate coupled to the support pipe to be spaced apart from the cell support panel and penetrated by a spaced distance, and a cover The frame and the panel frame may include coupling holes respectively formed in the form of long holes in the upper and lower portions in the interconnected portion.

At one side of the support pipe, a ventilation hole for ventilation between the inside and the outside of the support pipe may be formed, and a waterproof cap for preventing rainwater from flowing into the ventilation hole may be further included.

It may further include a lens unit positioned at the upper portion of the panel frame and above the condensing solar cell unit and installed at each portion of the condensing solar cell unit to condense light to the condensing solar cell unit.

In the solar cell module according to the present invention, a condensing type solar cell unit is installed in each empty space of a non-condensing type solar cell installed in a cell support panel, and both are installed without damaging the non-condensing type solar cell, thereby generating efficiency. Can improve.

In addition, the lens unit for condensing sunlight and the transmissive area for transmitting sunlight are divided into the transmission cover, so that the condensing solar cell unit and the non-condensing solar cell can generate power at the same time. The diffusely reflected sunlight is also received from the non-condensing solar cell to perform power generation, thereby improving power generation efficiency.

In addition, a part of the condensing solar cell can efficiently discharge heat from the condensing cover, so that the efficiency of the condensing solar cell can be increased.

In addition, the coupling hole may be coupled to the solar tracking device.

1 is a view showing a solar cell module according to an embodiment of the present invention,
2 is a view showing a spacer plate of the solar cell module shown in FIG. 1;
3 is a view showing a state in which a non-condensing heat solar cell is attached inside a condensing cover in the solar cell module shown in FIG. 1;
4 is a view showing a state in which the solar cell module shown in FIG. 1 is coupled;
5 is a view showing a condensing solar cell unit in the solar cell module shown in FIG. 1;
6 is a view showing a condensing pipe and a condensing type power plant of the solar cell unit shown in FIG. 5.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily implement the present invention. However, the present invention may be implemented in various different forms and is not limited to the embodiments described herein.

In order to clearly describe the present invention, parts irrelevant to the description have been omitted, and the same reference numerals are assigned to the same or similar components throughout the specification.

In addition, terms or words used in the present specification and claims should not be construed as being limited to their usual or dictionary meanings, and the inventor appropriately defines the concept of terms in order to describe his own invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be done.

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

1 is a view showing a solar cell module according to an embodiment of the present invention, FIG. 2 is a view showing a spacer plate of the solar cell module shown in FIG. 1, and FIG. 3 is a view showing a solar cell module shown in FIG. It is a view showing a state in which the non-condensing heat solar cell is attached to the inside of the condensing cover, FIG. 4 is a view showing a state in which the solar cell module shown in FIG. 1 is coupled, and FIG. 5 is a view showing the solar cell module shown in FIG. A view showing a condensing solar cell unit, and FIG. 6 is a view showing a condensing pipe and a condensing power plant of the solar cell unit shown in FIG. 5.

1 to 6, the solar cell module according to the present invention includes a non-condensing solar cell 100, a cell support panel 200, a condensing solar cell unit 300, and a condensing cover 400. ).

The non-condensing solar cell 100 may convert light energy of the sun into electric energy.

On the other hand, the non-condensing solar cell 100 can perform power generation in the form of converting light energy into electrical energy by a potential difference between a P-type semiconductor and an N-type semiconductor, and is made of a semiconductor made of an organic compound or silicon. It can also be implemented.

In addition, the non-condensing solar cell 100 may be configured in a flat plate shape to perform power generation by receiving solar light entirely, and may have a shape in which four corners are cut in a diagonal or curved shape in a square shape.

Here, the non-condensing solar cell 100 is manufactured in the form of a circular semiconductor wafer. When the non-condensing solar cell 100 is circular, it occupies a large amount of installation space, so that the square It can be manufactured by cutting into shape.

At this time, the non-condensing solar cell 100 may be a 156 mm cell, and may be manufactured to increase practicality such as a lens or a condensing magnification.

On the other hand, in the case of cutting a semiconductor wafer in a square shape, the area of the semiconductor wafer is used as much as possible because there are many cuts, and in order to minimize the installation space, the square shape is made to have a square shape while maintaining the perimeter of some semiconductor wafers. It can be manufactured in the form of cutting out.

Since the non-condensing solar cell 100 manufactured by delivering a circular semiconductor wafer in this way is manufactured in a rectangular shape with a square cut off, the installation space is minimized and the circular semiconductor wafer is cut and discarded. Can be minimized.

The cell support panel 200 may be formed in the shape of a square plate, and a plurality of non-condensing solar cell 100 may be arranged and installed in a grid shape.

On the other hand, in the non-condensing solar cell 100 installed on the cell support panel 200, the non-condensing solar cell 100 is attached to the upper surface of the cell support panel 200 or The condensing cell mounting hole 210 into which the condensing solar cell 100 is inserted may be formed to be installed in the form of being inserted into the condensing cell mounting hole 210, and a non-condensing solar cell installed in the cell support panel 200 The battery cells 100 may be electrically connected to each other to collect and provide electricity generated in one place.

In addition, a condensing solar cell unit 300 to be described below may be installed on the cell support panel 200. The specific content in which the condensing solar cell unit 300 is installed will be described together when describing the condensing solar cell unit 300 below.

The condensing solar cell unit 300 may convert light energy into electric energy by a potential difference, and may convert the collected light energy into electric energy by condensing sunlight.

In addition, the condensing solar cell unit 300 may be disposed on the cell support panel 200 to be installed in each uninstalled area, that is, an empty space in which the non-condensing solar cell 100 is not installed.

In addition, in the condensing solar cell unit 300, a plurality of condensing solar cell units 300 are electrically connected to each other or are electrically connected with the non-condensing solar cell 100 to collect and transmit the generated electricity to one place. I can.

To this end, the condensing solar cell unit 300 may further include a condensing type power plant 310, a circuit board 320, a heat sink 330, and a condensing pipe 340. Here, the condensing type power plant 310 may convert sunlight into electrical energy by a potential difference, and may convert condensed sunlight into electrical energy.

On the other hand, the condensing type power plant 310 may be implemented as a semiconductor (Concentrator photovotaic, CPV) coupled by bonding of known heterogeneous compounds, and the condensing type power plant 310 is a known configuration, so a detailed description thereof is omitted. do.

In addition, the circuit board 320 may be mounted with a condensing power generator 310, and an electric device such as a diode for controlling electricity generated from the condensing power generator 310 may be mounted together, A circuit for electrically connecting the electric elements and the condensing power generating element 310 may be formed on the circuit board 320.

Meanwhile, the circuit board 320 may be implemented as a metal PCB so as to easily radiate heat.

In addition, the heat sink 330 may be attached to the lower surface of the circuit board 320 in the opposite direction to the upper surface of the circuit board 320 on which the condensing power generator 310 is mounted on the circuit board 320, and the heat sink The 330 may have a plurality of heat sinks, heat sink fins, or various types of heat sink structures so as to facilitate heat exchange by increasing a contact area with air.

At this time, in the portion of the circuit board 320 on which the condensing type power generating element 310 is mounted, a sink hole through which the condensing type power generating element 310 and the heat sink 330 are directly contacted to radiate heat is formed, or a sink The heat-saving conductive metal is seated in the ball, so that heat generated from the condensing power generating unit 310 is transferred to the heat sink 330 through the heat conductive metal to radiate heat.

Meanwhile, the heat sink 330 may be formed of a metal material such as copper or aluminum or graphite having high heat dissipation.

In addition, the condensing pipe 340 may reflect and guide sunlight so that the sunlight condensed by the condensing cover 400 is condensed by the condensing power generator 310.

On the other hand, the condensing pipe 340 may be formed in the shape of a pipe with an empty inside, and is vertically erected at a portion where the condensing power generating element 310 is located on the circuit board 320, and a half reflecting sunlight therein. It has a slope and can be condensed by the condensing type power plant 310 through reflection of sunlight incident on the end of the condensing pipe 340.

On the other hand, the condensing pipe 340 may be formed in a square pipe shape having the same upper and lower areas, and the reflective surface, which is the inner surface of the condensing pipe 340, is vertically erected and incident on the condensing type power plant 310. It is possible to guide the condensing type power plant 310 through reflection of sunlight.

At this time, since the reflective surface of the condensing pipe 340 is vertically erected by the condensing power generating element 310, the incident angle of sunlight entering the condensing pipe 340 passes through the focus of the condensing solar light of the condensing cover 400 Since the solar light is relatively wide and vertically provided to the condensing type power plant 310, power generation efficiency can be improved.

Here, due to the nature of the condensing type power plant 310, power generation efficiency is improved as the sunlight is incident closer to the vertical of the condensing type power plant 310, and the meaning of "vertically" is the vertical line of the condensing type power plant 310 It means an angle of less than 45° with respect to.

In addition, since the reflective surface of the condensing pipe 340 is perpendicular to the condensing-type power plant 310, the sunlight incident on the condensing pipe 340 does not leak to the outside by reflection, and all incident sunlight is condensed. It is guided to the type power plant 310 to improve power generation efficiency of the condensing type power plant 310.

Here, when the condensing pipe 340 is formed in a parabola shape with a wide top and a narrow bottom or in an inverted trapezoid shape, the reflection angle is relatively small, and the incident at an angle exceeding 45° with respect to the vertical line of the condensing power plant 310 Otherwise, some sunlight is leaked to the outside through reflection, so that the power generation efficiency of the condensing type power plant 310 decreases.

On the other hand, the condensing pipe 340 is manufactured by bending a square pipe shape so that the reflective surface of a metal plate having a reflective surface, for example, an aluminum plate that has been reflected on one surface of aluminum is positioned inside, or the reflective surface of a mirror is located inside. If possible, it may be manufactured by connecting a plurality of mirrors in a pipe shape.

The condensing cover 400 may be positioned above the cell support panel 200 to collect light generated from the sun and provide it to the condensing solar cell unit 300.

In addition, the condensing cover 400 may have a plurality of non-condensing solar cell 100 attached to the inside of the cover frame 420. For this reason, it has the effect of generating scattered light and spreading the light evenly.

In addition, the condensing cover 400 may include a lens unit 410 or may include a lens unit 410 and a transmissive region.

In addition, the lens unit 410 may collect sunlight and provide it to the condensing solar cell unit 300, and may be positioned at each portion of the condensing cover 400 in which the condensing solar cell unit 300 is installed.

On the other hand, the lens unit 410 may be formed in a circular shape having a radius as large as possible so that the lens units 410 provided at positions corresponding to the respective condensing solar cell units 300 do not overlap each other, and each lens unit ( The 410 may be configured to focus on the condensing solar cell unit 300 corresponding to each lens unit 410.

In addition, the lens unit 410 is implemented in the form of forming an uneven pattern formed in different sizes on a plurality of concentric circles such as a pronel lens so that sunlight is collected in the center, or a lens that is convex above the condensing cover 400 It may be installed on the condensing cover 400 in the form of.

Here, the condensing cover 400 forms a transparent area in the form of a flat pattern around the periphery of the lens unit 410 in the pronel lens in which one lens unit 410 is formed, and the plurality of florel lenses are attached to the cell support panel 200. It may be configured in a form of bonding in the size of, or may be configured in a form that is supported and installed by a frame to form a form in which each light collecting cover 400 is bonded.

And even if the focal point of the lens unit 410 is not exactly matched to the condensing solar cell unit 300, if only the focus lens is incident, the light irradiated from the lens unit 410 by the focus lens is accurately transferred to the solar cell unit 300. Can be entered.

In addition, the condensing cover 400 includes a cover frame 420, a panel frame 430, a support pipe 440, a spaced installation plate 450, and a coupling hole 460 to satisfy the condensing cover 400. ) May be further included.

Here, the cover frame 420 may be formed to surround the side circumference of the light collecting cover 400, and the panel frame 430 may be formed to surround the side circumference of the cell support panel 200 and disposed to be interconnected. Here, the cover frame 420 and the panel frame 430 may be integrally manufactured.

In addition, the support pipe 440 may support the cover frame 420 and the panel frame 430, respectively. In addition, the support pipe 440 has a ventilation hole 441 that ventilates heat generated by solar heat between the inside and outside of the support pipe 440 on one side, and a waterproof cap that prevents rainwater from entering the ventilation hole 441 at the top. It may further include (442).

In addition, the spaced installation plate 450 may be spaced apart from the support pipe 440 to form a ventilation part 451. The ventilation part 451 may be formed in order to prevent the heat sink 330 from accumulating heat in addition to the condensing solar cell unit 300 from damaging or burning parts. The spaced space of the ventilation part 451 may be formed to extend as long as or longer than the length of the heat sink 330.

In addition, the coupling hole 460 may be formed in an upper and lower long hole shape in a portion where the cover frame 420 and the panel frame 430 overlap each other. That is, the coupling hole 460 may be coupled to another light collecting cover 400 as well as to a tracking device (not shown) that tracks the sun.

As described above, according to the solar cell module according to the present invention, a condensing solar cell unit 300 is installed in each empty space of the non-condensing solar cell 100 installed in the cell support panel 200 to be non-condensing. By installing both without damaging the type solar cell 100, it is possible to improve the power generation efficiency.

In addition, the lens unit 410 for condensing sunlight on the transmission cover and the transmissive area for transmitting sunlight are divided, so that the condensing solar cell unit 300 and the non-condensing solar cell 100 can simultaneously generate electricity. In addition, among sunlight transmitted through the lens unit 410, diffusely reflected sunlight is also received from the non-condensing solar cell 100 to perform power generation, thereby improving power generation efficiency.

In addition, a part of the condensing solar cell may efficiently discharge heat from the condensing cover 400, so that the efficiency of the condensing solar cell may be increased.

The present invention has been described with reference to the embodiments shown in the drawings, but these are only exemplary, and those of ordinary skill in the art will appreciate that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

100: non-condensing heat solar cell
200: cell support panel
210: condensing battery mounting hole
300: condensing solar cell unit
310: condensing power plant
320: circuit board
330: heat sink
340: condensing pipe
400: condensing cover
410: lens unit
420: cover frame
430: panel frame
440: support pipe
441: vent
442: waterproof cap
450: spaced installation plate
451: ventilation part
460: coupling hole

Claims (6)

A non-condensing solar cell of a rectangular shape with an incisal corner;
A cell support panel on which the non-condensing solar cell is disposed;
A plurality of condensing solar cell units each installed in each uninstalled area in which cut corners of the non-condensing solar cell arranged in the cell support panel are gathered and formed, and generating power by sunlight; And
A light collecting cover including a cover frame formed to surround a side surface of the cell support panel and a panel frame formed on the cover frame; Including,
The condensing cover has a plurality of non-condensing solar cells attached to the inside of the cover frame,
The cell support panel,
A penetrating condensing cell mounting hole through which the condensing type solar cell unit is mounted is formed, and a lower portion of the condensing type solar cell unit is mounted in the condensing cell mounting hole so that the lower surface of the cell support panel is exposed,
The condensing solar cell unit,
A condensing type power plant generating power by the solar light;
A circuit board on which the condensing power generator is mounted;
A heat sink attached to a lower surface of the circuit board on which the condensing type power plant is installed to dissipate heat generated from the condensing type power plant; And
A hollow having a reflective surface on the inner side that reflects sunlight so as to be provided to the condensing-type power plant by reflecting the sunlight collected through the condensing cover by being installed vertically on the part on which the condensing power plant is mounted on the circuit board Shaped condensing pipe; Including,
The condensing cover,
A support pipe for supporting each of the cover frame and the panel frame, a spaced installation plate coupled with the support pipe to be spaced apart from the cell support panel and penetrated by a spaced distance, and the cover frame and the panel frame Solar cell module, characterized in that it comprises a coupling hole formed in the form of a long hole in the upper and lower portions of the connection to be coupled with other light collecting cover.
delete delete delete The method according to claim 1,
At one side of the support pipe, a ventilation hole for ventilation between the inside and the outside of the support pipe is formed, and the solar cell module further comprises a waterproof cap for preventing rainwater from flowing into the ventilation hole.
The method according to claim 1,
A lens unit positioned on the upper part of the panel frame and above the condensing solar cell unit, and installed at each portion of the condensing solar cell unit to condense light to the condensing solar cell unit;
Solar cell module, characterized in that it further comprises.

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