KR101925505B1 - Portable thin film solar cell panel and for manufacturing the same - Google Patents

Abstract

The present invention relates to a portable thin-film solar cell panel and a manufacturing method thereof. A conductive mesh type electrode is formed on a plurality of electrodes, respectively, formed on one side of a plurality of solar cells connected in the longitudinal direction. A plurality of waterproof cloths are formed on the upper and lower portions of the plurality of solar cells and the conductive mesh type electrode. The plurality of waterproof cloths, the electrode formed on the one side of the solar cell, and the conductive mesh type electrode are joined together through a sewing operation by using a conductive yarn to penetrate therethrough. Waterproof cloths are further formed on the upper, lower, and side portions, on which the conductive yarn is formed, and then joined by using a sewing thread. Therefore, a connection terminal for connecting the plurality of solar cells or the electrode formed on one side of the solar cell is prevented from being cut off. The electrode can be stably fixed and the warp resistance can be increased by using the conductive mesh type electrode. The stability to the side potion can be enhanced by stitching an additional waterproof cloth on the side portion.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a portable thin film solar cell panel,

The present invention relates to a portable thin-film solar cell panel and a method of manufacturing the same. More particularly, the present invention relates to a portable thin-film solar cell panel in which electrodes of a conductive mesh type are formed on a plurality of electrodes respectively formed on one side of a plurality of solar cells connected in the longitudinal direction, A plurality of waterproof cloths, electrodes formed on one side of the solar cell, and a conductive material to penetrate through the conductive mesh-shaped electrode, thereby forming a waterproof cloth on upper and lower sides of the conductive mesh- The present invention relates to a portable thin film solar cell panel and a method of manufacturing the same.

A solar cell is a device for converting the light energy of the sun into electric energy. The solar cell forms a module in which a plurality of cells are assembled with one cell made of a solar cell as a minimum unit, Thereby forming a solar power generation system. In addition, the solar cells may be connected in series or in parallel as required.

The photovoltaic power generation system using the solar cell has an advantage of being environment-friendly because it does not generate air pollution and noise, and there is no fear of exhaustion because the energy source is infinite because it utilizes the light energy of the sun. Buildings, etc., and it is applied to various fields such as satellite, automobile, electronic product, and military.

In addition, when a plurality of solar cells are connected in series or in parallel, there is a problem that a connection terminal connecting a plurality of solar cells or an electrode formed on one side of the solar cell is broken.

Japanese Patent Registration No. 10-1256648 [Name: Panel having a solar cell module and exterior material of a building using the same]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a solar cell in which conductive mesh type electrodes are formed on a plurality of electrodes respectively formed on one side of a plurality of solar cells connected in the longitudinal direction, A plurality of waterproof cloths, electrodes formed on one side of the solar cell, and electrodes connected to the conductive mesh-type electrodes through a sewing operation using a conductive material, The present invention also provides a portable thin-film solar cell panel having a waterproof cloth formed on a side surface thereof and a seaming chamber.

A portable thin film solar cell panel according to an embodiment of the present invention is a portable thin film solar cell panel comprising: a first waterproof layer; A plurality of solar cell modules arranged in a row in the longitudinal direction on the first waterproof layer; An electrode in the form of a conductive mesh disposed on the upper portion of the electrodes of the same polarity respectively formed on both sides of the plurality of solar cell modules; And a second waterproof layer disposed on the upper portion of the plurality of solar cell modules, wherein the electrodes of the conductive mesh type and the plurality of electrodes of the same polarity, which are respectively formed in the plurality of solar cell modules, They can be connected and electrically connected through a conductive material.

The first waterproof layer and the second waterproof layer may include a first waterproof layer, a second waterproof layer, and a third waterproof layer disposed to surround the conductive material, The side wall of the waterproof layer and the side wall of the second waterproof layer.

As an example related to the present invention, a region where the upper portion of the first waterproof layer and the lower portion of the third waterproof layer are in contact with each other and the lower portion of the second waterproof layer and the lower portion of the third waterproof layer are in contact with each other Can be adhered using an adhesive.

A method of manufacturing a portable thin-film solar cell panel according to an embodiment of the present invention includes the steps of disposing a plurality of solar cell modules on a first water-tight layer; Disposing electrodes of the conductive mesh type on top of electrodes of the same polarity respectively formed on both sides of the plurality of solar cell modules; Disposing a second waterproof layer on the conductive mesh type electrode and the plurality of solar cell modules; And joining the conductive mesh type electrode and the plurality of electrodes of the same polarity, which are respectively formed in the plurality of solar cell modules, electrically connected to each other through a sewing operation using a conductive material.

In one embodiment of the present invention, the step of disposing the electrodes of the conductive mesh type includes disposing one electrode of a conductive mesh type on top of a plurality of (+) polarity electrodes formed on one side of the plurality of solar cell modules Process; And disposing another conductive mesh type electrode on top of a plurality of (-) polarity electrodes formed on the other side of the plurality of solar cell modules.

Disposing a third waterproof layer to surround a part of the first waterproof layer, a part of the second waterproof layer, and the conductive material as an example related to the present invention; And joining the first waterproof layer and the second waterproof layer using a sewing thread adjacent to a side surface of the first waterproof layer and a side surface of the second waterproof layer through a sewing operation.

The present invention is characterized in that a conductive mesh-shaped electrode is formed on a plurality of electrodes respectively formed on one side of a plurality of solar cells connected in the longitudinal direction, and waterproof cloths are formed on the upper and lower portions of the plurality of solar cells and the conductive mesh- A plurality of waterproof cloths, electrodes formed on one side of the solar cell, and electrodes connected to the conductive mesh through a sewing operation using a conductive material, The waterproof cloth is formed and then joined together by using a sewing thread to prevent breakage of the connection terminal connecting the plurality of solar cells or the electrode formed on one side of the solar cell and to stably fix the electrode, It is possible to increase the warp resistance of the mesh type electrode, and furthermore, By sewing control it is possible to improve the stability with respect to side.

1 is a perspective view of a portable thin-film solar cell panel according to an embodiment of the present invention.
2 is a cross-sectional view taken along line AA 'of a portable thin-film solar cell panel according to an embodiment of the present invention.
3 is a flowchart illustrating a method of manufacturing a portable thin-film solar cell panel according to an embodiment of the present invention.
4 to 9 are views illustrating an example of a manufacturing process of a portable thin-film solar cell panel according to an embodiment of the present invention.

It is noted that the technical terms used in the present invention are used only to describe specific embodiments and are not intended to limit the present invention. In addition, the technical terms used in the present invention should be construed in a sense generally understood by a person having ordinary skill in the art to which the present invention belongs, unless otherwise defined in the present invention, Should not be construed to mean, or be interpreted in an excessively reduced sense. In addition, when a technical term used in the present invention is an erroneous technical term that does not accurately express the concept of the present invention, it should be understood that technical terms that can be understood by a person skilled in the art can be properly understood. In addition, the general terms used in the present invention should be interpreted according to a predefined or prior context, and should not be construed as being excessively reduced.

Furthermore, the singular expressions used in the present invention include plural expressions unless the context clearly dictates otherwise. The term "comprising" or "comprising" or the like in the present invention should not be construed as necessarily including the various elements or steps described in the invention, Or may further include additional components or steps.

Furthermore, terms including ordinals such as first, second, etc. used in the present invention can be used to describe elements, but the elements should not be limited by terms. Terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like or similar elements throughout the several views, and redundant description thereof will be omitted.

In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. It is to be noted that the accompanying drawings are only for the purpose of facilitating understanding of the present invention, and should not be construed as limiting the scope of the present invention with reference to the accompanying drawings.

1 and 2, a portable thin film solar cell panel 10 according to an embodiment of the present invention includes a first waterproof layer 100, a solar cell module 200, an electrode 300 in the form of a conductive mesh, A second waterproof layer 400, a conductive material 500, a third waterproof layer 600, and a sewing chamber 700. All of the components of the portable thin-film solar cell panel 10 shown in Figs. 1 and 2 are not essential components, and the components of the portable thin-film solar cell 10 are not limited to the components shown in Figs. The panel 10 may be embodied, or the portable thin-film solar cell panel 10 may be embodied by fewer components.

The first waterproof layer (or the first laminate layer) 100 is formed in a flexible manner and comprises a PET film, a PE film, a waterproof cloth, and the like.

The first waterproof layer 100 prevents external water, foreign matter, and the like from penetrating the components formed on the first waterproof layer 100.

The solar cell module (or solar panel) 200 includes a solar cell 210, an electrode 220, and the like.

In addition, the solar cell module 200 may be configured as a thin, permeable portable flexible membrane.

That is, the solar cell module 200 may have a plurality of CIGS (Copper Indium Gallium Selenide) photovoltaic cells configured in a grid shape and a flexible (or flexible) thin film, The solar cell module 200 may be applied to various objects made of curved surfaces to generate power generation power through sunlight through the plurality of solar cells.

In addition, the solar cell module 200 can be configured to transmit light when an object to be applied is an object requiring light transmission (or light transmission), such as a vinyl house, a sun roof or a window type product .

To this end, the solar cell module 200 may be formed with a plurality of openings having a predetermined pattern through mechanical processing such as laser processing or punching, 200 to transmit the sunlight to reach the interior of the application target.

In addition, the plurality of openings may be formed in the solar cell module 100 so as to have a predetermined aperture ratio by a user.

The electrodes 220 are formed of a plurality of positive electrodes and negative electrodes, respectively. At this time, when the solar cell modules 200 are arranged in a row in the longitudinal direction, the electrodes 220 may be arranged in a direction perpendicular to the longitudinal direction.

In addition, the solar cell module 200 may further include a wire (not shown) formed by a wire mesh or the like. Here, the material of the electric wire may include copper, stainless steel, and the like.

In addition, the electric wire provides a connection between the solar cells 210, a connection between the solar cell 210 and the electrode 220, and includes a positive electrode wire to which the positive electrode is connected, a negative electrode wire to which the negative electrode is connected can do.

A plurality of solar cell modules 200 are arranged (or formed / formed) on the top (or one surface) of the first waterproof layer 100.

The conductive mesh-shaped electrode 300 is disposed (or formed / configured) on a plurality of electrodes having the same polarity for each of the polarities of the electrodes constituting each of the plurality of solar cell modules 200 arranged in the longitudinal direction .

That is, the electrode 300 of the conductive mesh type is composed of a plurality of electrodes, and the plurality of electrodes corresponding to the (+) electrode and the (-) electrode respectively constituting the plurality of solar cell modules 200 And is formed on top of a plurality of electrodes.

In this manner, a plurality of electrodes having the same polarity and formed on one side of the plurality of solar cell modules 200 can be electrically connected to each other through the long electrode 300 of conductive mesh type.

The second waterproof layer (or the second laminate layer) 400 is formed in a flexible manner and comprises a PET film, a PE film, a waterproof cloth, and the like.

In addition, the second waterproof layer 400 prevents external water, foreign matter, and the like from penetrating the components formed under the second waterproof layer 400.

In addition, the second waterproof layer 400 is disposed (or formed / formed) on the electrode 300 of the conductive mesh type and the plurality of solar cell modules 200.

The conductive material 500 is a conductive material containing a metal or a semiconductor. The conductive material 500 may be prepared by mixing conductive carbon black or a special metal compound into a fiber polymer compound.

The conductive mesh type electrode 300 and the plurality of electrodes of the same polarity, which are respectively formed in the plurality of solar cell modules 200, are electrically connected to each other through the sewing work using the conductive material 500.

2, a plurality of electrodes of the same polarity respectively formed in the plurality of solar cell modules 200 stacked between the first waterproof layer 100 and the second waterproof layer 400, The conductive mesh-shaped electrodes 300 are joined together using the conductive material 500 by a sewing operation.

The third waterproof layer (or the third laminate layer) 600 is formed in a flexible manner and is formed of a PET film, a PE film, a waterproof cloth, or the like.

The third waterproof layer 600 may be configured to block external exposure to the outer surface of the first waterproof layer 100 and the outer surface of the second waterproof layer 400 through the sewing operation A part of the first waterproof layer 100, a part of the second waterproof layer 400 and the conductive material 500 (or the first waterproof layer 100, the solar cell module 200, (Or formed / configured) so as to surround the first waterproofing layer 300 and the conductive material 500 formed through the second waterproofing layer 400.

2, an upper portion of the second waterproof layer 400, upper and lower portions of the conductive material 500 formed through the first waterproof layer 100, a lower portion of the first waterproof layer 100, (Or U shape) so as to surround (or contact) the first waterproofing layer 600 and the second waterproofing layer 400.

The sewing room (or the general room) 700 represents a non-conductive room.

The sewing chamber 700 is formed adjacent to the side surface of the first waterproof layer 100 and the side surface of the second waterproof layer 400 (or outside the electrode 220 and the side surface of the electrode 300 in the form of the conductive mesh) To be joined together through a sewing operation.

2, the third waterproofing layer 600, the first waterproofing layer 100, and the second waterproofing layer 100 are formed on the outer sides of the electrode 220 and the side surface of the conductive mesh- The sewing chamber 700 is connected to the waterproof layer 400 through a sewing operation.

2, a region where the upper portion of the first waterproof layer 100 and the lower portion of the third waterproof layer 600 are in contact with each other (or between the first waterproof layer 100 and the third waterproof layer 600 And a region where the lower portion of the second waterproof layer 400 and the lower portion of the third waterproof layer 600 are in contact with each other (or between the second waterproof layer 400 and the third waterproof layer 600) (Or a region in contact with the conductive part 500) may be adhered (or adhered) by using an adhesive, an adhesive, or the like so that the conductive part 500 is not exposed to the outside.

In order to prevent external exposure of the conductive part 500 exposed on the outer surface of the first waterproof layer 100 and the outer surface of the second waterproof layer 400 through the sewing operation, The outer surface of the first waterproofing layer 100 and the outer surface of the second waterproofing layer 100 may be sewn by the sewing operation. However, the present invention is not limited thereto, An insulating layer (or a shielding film) (for example, an insulating tape, an insulating silicone grease, or the like) is formed on the conductive part 500 exposed on the outer surface of the insulating layer 400 to cover the conductive part 500 exposed to the outside .

The thin film solar cell module 200 stacked between the first waterproof layer 100 and the second waterproof layer 200 through the conductive material 500 (or the thin film solar cell module 200 included in the thin film solar cell module 200) Electrode 220) and the conductive mesh-shaped electrode 300 are electrically connected to each other, and the shape of the electrode 300 can be fixed.

As described above, electrodes of a conductive mesh type are formed on a plurality of electrodes respectively formed on one side of a plurality of solar cells connected in the longitudinal direction, and waterproof cloths are formed on the upper and lower portions of the plurality of solar cells and the conductive mesh- A plurality of waterproof cloths, electrodes formed on one side of the solar cell, and electrodes connected to the conductive mesh through a sewing operation using a conductive material, Further, after the waterproof cloth is formed, it can be joined by using a sewing thread.

Hereinafter, a method of manufacturing a portable thin-film solar cell panel according to the present invention will be described in detail with reference to FIGS. 1 to 9. FIG.

3 is a flowchart illustrating a method of manufacturing a portable thin-film solar cell panel according to an embodiment of the present invention.

First, a plurality of solar cell modules 200 are arranged (or formed / formed) on the top (or one surface) of the first waterproof layer 100.

4, when the plurality of solar cell modules 200 are arranged in a row in the longitudinal direction, a plurality of electrodes respectively formed in the plurality of the solar cell modules 200 are arranged in the longitudinal direction (S310).

Electrodes 300 in the form of a conductive mesh are arranged (or formed / formed) on the electrodes 220 of the same polarity formed on both sides of the plurality of solar cell modules 200, respectively. That is, when the (+) polarity electrode is formed on one side of the plurality of solar cell modules 200 and the (-) polarity electrode is formed on the other side of the plurality of solar cell modules 200, It is possible to dispose the electrode 300 of the conductive mesh type and arrange the electrode 300 of the other conductive mesh type on the plurality of (-) polarity electrodes.

For example, as shown in FIG. 5, on a plurality of first electrodes of the same polarity (for example, (+) polarity) formed on one side of the plurality of solar cell modules 200, The electrodes 300 are disposed on the upper surface of the plurality of solar cell modules 200 and electrodes of a second conductive mesh type are formed on the plurality of second electrodes of the same polarity (for example, (-) polarity) 300 are disposed (S320).

Then, the second waterproof layer 400 is formed (or formed / formed) on the electrode 300 of the conductive mesh type and on top of the plurality of solar cell modules 200.

For example, as shown in FIG. 6, a second waterproof layer 400 is disposed on the electrodes 300 of the conductive mesh type and the plurality of solar cell modules 200 (S330).

Thereafter, the conductive mesh-shaped electrode 300 and the plurality of electrodes of the same polarity, which are respectively formed in the plurality of solar cell modules 200, are electrically connected to each other through a sewing operation using a conductive material 500.

7, a plurality of electrodes of the same polarity, which are respectively formed in the plurality of solar cell modules 200 stacked between the first waterproof layer 100 and the second waterproof layer 400, The mesh-shaped electrodes 300 are joined together through the sewing operation using the conductive material 500 (S340).

A portion of the first waterproof layer 100, a portion of the second waterproof layer 400 and the conductive material 500 (or the first waterproof layer 100, the solar cell module 200, The third waterproofing layer 600 is disposed (or formed / configured) so as to surround the electrode 300 and the conductive material 500 formed through the second waterproofing layer 400.

8, a portion of the upper portion of the second waterproof layer 400, the upper and lower portions of the penetrating conductive material 500, the lower portion of the first waterproof layer 100, the first waterproof layer 100 The third waterproofing layer 600 is disposed in a U shape (or a U shape) so as to surround (or contact) a portion of the second waterproofing layer 400 and the side surface of the second waterproofing layer 400 at step S350.

(Or outside of the electrode 220 and the side surface of the electrode 300 in the form of a conductive mesh) adjacent to the side of the first waterproof layer 100 and the side of the second waterproof layer 400, A general yarn (700) is used to form a joint by sewing.

9, the third waterproofing layer 600, the first waterproofing layer 100, and the second waterproofing layer 100 are formed on the outer surface of the side surface of the electrode 220 and the conductive mesh- The sewing chamber 700 is connected to the waterproof layer 400 through a sewing operation.

9, a region where the upper portion of the first waterproof layer 100 and the lower portion of the third waterproof layer 600 are in contact with each other (or between the first waterproof layer 100 and the third waterproof layer 600 And a region where the lower portion of the second waterproof layer 400 and the lower portion of the third waterproof layer 600 are in contact with each other (or a region where the second waterproof layer 400 and the third waterproof layer 600 contact each other) 720 may be adhered using an adhesive or the like so that the conductive material 500 is not exposed to the outside (S360).

As described above, in the embodiment of the present invention, electrodes of a conductive mesh type are formed on a plurality of electrodes respectively formed on one side of a plurality of solar cells connected in the longitudinal direction, and the plurality of solar cells and the conductive mesh- A plurality of waterproof cloths, electrodes formed on one side of the solar cell and a conductive mesh-shaped electrode are connected to each other through a sewing operation, A waterproof cloth is further formed on upper, lower and side surfaces where the conductive yarns are formed, and then a waterproof cloth is formed and then joined using a sewing thread to prevent breakage of connection terminals for connecting a plurality of solar cells or electrodes formed on one side of the solar cell, And it is possible to improve the warp resistance by use of the conductive mesh type electrode , And further, a waterproof cloth is stuck on the side surface to improve the stability of the side surface.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or essential characteristics thereof. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

The present invention is characterized in that a conductive mesh-shaped electrode is formed on a plurality of electrodes respectively formed on one side of a plurality of solar cells connected in the longitudinal direction, and waterproof cloths are formed on the upper and lower portions of the plurality of solar cells and the conductive mesh- A plurality of waterproof cloths, electrodes formed on one side of the solar cell, and electrodes connected to the conductive mesh through a sewing operation using a conductive material, The waterproof cloth is formed and then joined together by using a sewing thread to prevent breakage of the connection terminal connecting the plurality of solar cells or the electrode formed on one side of the solar cell and to stably fix the electrode, It is possible to increase the warp resistance of the mesh type electrode, and furthermore, It is possible to increase the stability of the aspect by stiffening. It can be applied to various fields such as military field, electronic industry, bio industry, general machinery industry, agricultural field, livestock industry, aquatic industry, general culture industry, drying industry, automobile industry, Commercial field, medical industry field, and the like.

10: Portable thin film solar cell panel 100: First waterproof layer
200: solar cell module 300: conductive mesh type electrode
400: second waterproof layer 500:
600: Third waterproof layer 700: Tailoring room
210: solar cell 220: electrode

Claims (6)

1. A waterproof type portable thin film solar cell panel in which a plurality of solar cell modules are spaced apart and have flexibility,
A first waterproof layer of a flexible material having a rectangular shape;
A plurality of flexible solar cell modules spaced in a longitudinal direction on the first waterproof layer;
A pair of conductive mesh-shaped electrodes arranged on the upper side of the same polarity electrode so as to connect all the electrodes of the same polarity among the electrodes formed on both sides of the plurality of solar cell modules perpendicularly to the longitudinal direction; And
And a second waterproof layer disposed on the plurality of solar cell modules and having a size corresponding to the first waterproof layer and made of a flexible material,
Wherein the electrode of the conductive mesh type disposed between the first waterproof layer and the second waterproof layer and the plurality of electrodes of the same polarity respectively formed in the plurality of solar cell modules are disposed between the first waterproof layer and the second waterproof layer, And are electrically connected and physically fixed through a sewing work,
Further comprising a third waterproof layer of a flexible material arranged to surround a part of the first waterproof layer, a part of the second waterproof layer, and the conductive material. The method according to claim 1,
Wherein the first waterproof layer and the second waterproof layer are joined to each other through a sewing chamber adjacent to a side surface of the first waterproof layer and a side surface of the second waterproof layer. 3. The method of claim 2,
A region where an upper portion of the first waterproof layer and a lower portion of the third waterproof layer are in contact with each other and a region where a lower portion of the second waterproof layer and a lower portion of the third waterproof layer are in contact with each other is made of an adhesive Wherein the solar cell module is attached to the solar cell module. A method of manufacturing a waterproof type portable thin film solar cell panel having a plurality of solar cell modules spaced apart from each other and having flexibility,
Disposing a plurality of flexible solar cell modules on a first waterproof layer of a flexible material having a rectangular shape in a line in the longitudinal direction of the first waterproof layer;
Disposing conductive mesh-type electrodes on both sides of the plurality of solar cell modules on top of electrodes of the same polarity respectively formed perpendicular to the longitudinal direction;
Disposing an electrode of the conductive mesh type and a second waterproof layer of a flexible material having a size corresponding to the first waterproof layer on the plurality of solar cell modules;
The first waterproof layer and the second waterproof layer that surround the electrodes and the electrodes and the second waterproof layer that surround the electrodes are electrically connected to the plurality of electrodes of the same polarity formed in the plurality of solar cell modules, And simultaneously performing electrical connection between the electrodes and physical fixing; And
Disposing a part of the first waterproof layer, a part of the second waterproof layer, and a third waterproof layer of a flexible material so as to surround the conductive material,
The step of arranging the electrodes of the conductive mesh type, respectively,
Disposing one electrode of a conductive mesh type on top of a plurality of (+) polarity electrodes formed on one side of the plurality of solar cell modules; And
And disposing another conductive mesh type electrode on top of a plurality of (-) polarity electrodes formed on the other side of the plurality of solar cell modules. delete 5. The method of claim 4,
Further comprising the step of joining the side wall of the first waterproof layer and the side wall of the second waterproof layer using a sewing thread through a sewing operation.

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