KR102280813B1 - A block type solar module - Google Patents

Abstract

The present invention relates to a block-type solar cell module, and more particularly, by independently configuring one cell constituting a solar cell by block, it is possible to increase the convenience and economic feasibility of maintaining the solar cell part, and to improve the installation environment. It relates to a block-type solar cell module that can be designed in various ways without being limited.
To this end, a body forming a receiving groove having an open side; one solar cell accommodated in the receiving groove of the body; a cover made of a transparent material that shields the receiving groove; and an electrode connected between the bus bar of the solar cell and an external device, wherein a grounding groove is formed on both sides of the receiving groove in a longitudinal direction of the side, and one side and the other side of the body have the grounding groove and the body, respectively. A connection groove is formed to pass through the outside of the electrode, and the electrode is connected to an external device through a ground groove and a connection groove, and both ends of the electrode are inserted into the ground groove while in contact with the bus bar of the solar cell. contact electrode; and an external electrode inserted into the connection groove portion and connected between the contact electrode inserted into the ground groove portion and an external device, wherein the contact electrode is a first contact electrode and a second contact that are in close contact with both sides of a cell of the solar cell, respectively. composed of an electrode, and the grounding groove includes a first grounding recess corresponding to the first contact electrode and a second grounding recessing corresponding to the second contact electrode, and the connection recess on one side is formed through the first grounding recess. It provides a block-type solar cell module, characterized in that the connection groove portion of the other side is formed through the second ground groove portion.

Description

Block type solar module {A block type solar module}

The present invention relates to a block-type solar cell module, and more particularly, to a block-type solar cell module that can be easily installed and can increase convenience and economy for partial maintenance.

Recently, as interest in environmental problems and energy depletion increases, interest in methods of utilizing solar energy, which is an alternative energy with high energy efficiency, without a problem of environmental pollution, has a near-infinite amount of resources, and is increasing. Solar cells that utilize such solar energy can be divided into solar cells that generate steam required to rotate a turbine using solar heat and solar cells that convert photons into electrical energy using the properties of semiconductors. can Among them, research on solar cells (hereinafter referred to as 'solar cells') that converts light energy into electrical energy by absorbing light and generating electrons and holes is being actively conducted.

The solar cell is a device that converts the light energy of the sun into electrical energy. It has a structure different from that of a chemical cell and is classified as a 'physical cell', and is divided into two types: p-type semiconductor and n-type semiconductor. Electricity is produced through the photoelectric effect using semiconductors.

As shown in FIG. 1, in the solar cell, a plurality of cells 20 of a minimum unit generating electricity are assembled to constitute one solar cell module 10, and a plurality of the solar cell modules 10 are arranged in series and in parallel. to form an array (not shown). The solar cell module 10 is also called a solar panel, a photovoltaic module, or a photovoltaic panel. In the manufacturing of the solar cell module 10 as described above, several to several tens of cells 20 are arranged horizontally and vertically, and the cells 20 are composed of (Pb+Sn+Ag) or (Sn+Ag) as a main material component. They are connected through conductive interconnect ribbons and bus ribbons. Thereafter, the solar cell module 10 to which the cells 20 are connected is completed through a laminating operation.

On the other hand, since the conventional solar cell module 10 is configured by connecting a plurality of unit cells 20 in series or in parallel, even if one unit cell 20 constituting the solar cell module 10 is defective. , there is a problem that the entire solar cell module 10 must be replaced. This not only lowers the efficiency of solar cell module maintenance, but also has a problem of not being economical.

Republic of Korea Registration No. 10-0783028

The present invention has been devised to solve the above problems, and an object of the present invention is to increase the convenience and economical efficiency of solar cell maintenance work and to easily install it in various environments by blocking one cell of the solar cell and configuring it as an independent entity. This is to provide a block-type solar cell module that can be

The present invention, in order to achieve the above object, a body forming a receiving groove with one side open; one solar cell accommodated in the receiving groove of the body; a transparent material cover that shields the receiving groove; and an electrode connected between the bus bar of the solar cell and an external device, wherein ground grooves are formed on both sides of the receiving groove in the longitudinal direction of the side, and on one side and the other side of the body, the ground groove and the body, respectively. A connection groove is formed to pass through the outside of the electrode, and the electrode is connected to an external device through a ground groove and a connection groove, and both ends of the electrode are inserted into the ground groove while in contact with the bus bar of the solar cell. contact electrode; and an external electrode inserted into the connection groove portion and connected between the contact electrode inserted into the ground groove portion and an external device, wherein the contact electrode is a first contact electrode and a second contact that are in close contact with both sides of the cell of the solar cell, respectively. composed of an electrode, and the grounding groove includes a first grounding recess corresponding to the first contact electrode and a second grounding recessing corresponding to the second contact electrode, and the connection recess on one side is formed through the first grounding recess. It provides a block-type solar cell module, characterized in that the connection groove portion of the other side is formed through the second ground groove portion.

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At this time, the contact electrode is formed of a straight bar corresponding to the bus bar of the solar cell, one or both sides of the contact electrode form an outwardly protruding elastic portion, and the elastic portion is supported on the bottom of the cover or the receiving groove. desirable.

In the block-type solar cell module according to the present invention, since each cell constituting the solar cell is independently configured, only one or a specific cell can be repaired and replaced, thereby increasing the convenience of partial maintenance work. In particular, the block-type solar cell module has the effect of increasing economic efficiency because a partial replacement operation can be performed when some cells are defective or some cells are defective.

In addition, the block-type solar cell module may be arbitrarily configured by an operator according to the installation environment. That is, as the cells constituting the block-type solar cell module are independently configured, the horizontal and vertical arrangement of the cells can be arbitrarily configured by the operator in consideration of the installation area, so that the block-type solar cell module is not limited by the installation environment. it will work

1 is a view showing a solar cell according to the prior art.
2 is an exploded perspective view showing a block-type solar cell module according to a preferred embodiment of the present invention.
3 is a perspective view showing a block-type solar cell module according to a preferred embodiment of the present invention.
4 is a perspective view showing a partial cross-section of a body of a block-type solar cell module according to a preferred embodiment of the present invention.
5 is a perspective view showing a partial cross-section of a block-type solar cell module according to a preferred embodiment of the present invention.
6A and 6B are views illustrating external electrodes of a block-type solar cell module according to a preferred embodiment of the present invention.
7 is a perspective view illustrating a solar cell using a block-type solar cell module according to a preferred embodiment of the present invention.

The terms or words used in the present specification and claims are not to be construed as limited in their ordinary or dictionary meanings, and on the principle that the inventor can appropriately define the concept of the term in order to best describe his invention. It should be interpreted as meaning and concept consistent with the technical idea of the present invention.

Hereinafter, a block-type solar cell module according to a preferred embodiment of the present invention will be described with reference to the accompanying FIGS. 2 to 6B.

The block-type solar cell module is configured as an independent entity by blocking each cell constituting the solar cell. Accordingly, work convenience and economic feasibility according to solar cell maintenance work can be improved, and it can be applied to various installation environments.

As shown in FIG. 2 , the block-type solar cell module includes a body 100 , a solar cell 200 , a cover 300 , and an electrode 400 .

The body 100 constitutes a part of the block-type solar cell module, and forms a receiving groove 110 in which the solar cell 200 and the electrode 400 are installed. The receiving groove 110 is provided in the form of an upper opening in the drawing. The shape of the body 100 is preferably a square shape, and a plurality of coupling holes 120 for coupling with the cover 300 are formed along the edge of the body 100 on the upper edge of the edge. A grounding groove 130 is formed on the inner surface of the receiving groove 110 of the body 100 . The ground groove 130 has a configuration in which both ends of a contact electrode, which will be described later, are positioned, and is preferably formed only on one surface and the other surface opposite to the receiving groove 110 . The ground groove 130 is formed in the longitudinal direction of the inner surface, it is preferable that two are formed in the height direction of the inner surface. This is because a plurality of contact electrodes may be installed in the longitudinal direction of the inner surface, and the contact electrodes are in contact with the upper and lower surfaces of the solar cell 200 in the drawing, respectively. A detailed description thereof will be provided later. The ground groove 130 has a first ground groove 131 in which an end of the contact electrode in contact with one surface of the solar cell 200 is positioned, and an end of the contact electrode in contact with the other surface of the solar cell 200 is positioned. It will be provided with two second ground grooves 132 that are used. In order to help the understanding of the description, in the drawing, the grounding groove 130 formed on the lower inner side is called the first grounding groove part 131 , and the grounding groove 130 formed on the upper part of the first grounding groove part 131 is called a second ground It is called a groove part 132 .

The body 100 is provided with a connection groove 140 as shown in FIG. 4 . The connection groove 140 is a configuration for installing an external electrode to be described later for exporting electricity collected through the solar cell 200 to an external device, and is formed to communicate with the outside of the ground groove 130 and the body 100 . do. The connection grooves 140 are formed on the bottom surface of the body 100 in the drawing as shown in FIG. 4 , and are formed to communicate with the ground grooves 130 on both sides of the body 100 , respectively. At this time, the connection groove 140 on one side of the body 100 is formed to communicate with the first ground groove 131 , and the connection groove 140 on the other side of the body 100 is formed to communicate with the second ground groove 132 . do. In order to help the understanding of the description, the connection groove 140 passing through the first ground groove part 131 is referred to as a first connection groove part 141, and the connection groove part 140 passing through the second ground groove part 1320 is connected to the second connection groove part ( 142. As can be seen from Fig. 4, the height of the first connection groove 141 is equal to the height of the second connection groove 142 due to the height difference between the first ground groove 131 and the second ground groove 132. formed lower than

The solar cell 200 is configured to generate electricity by condensing sunlight, and is disposed in the receiving groove 110 of the body 100 . The solar cell 200 corresponds to the receiving groove 110 and constitutes a bus bar B for contact with the electrode 400 . A plurality of bus bars B is provided, and in the present specification, three bus bars B will be described as an example. The solar cell 200 is a well-known technology, and a detailed description of the principle and the like will be omitted.

The cover 300 shields the receiving groove 110 of the body 100 to protect each component disposed in the receiving groove 110 . The cover 300 corresponds to the shape of the body 100 and forms a fastening hole 310 corresponding to the coupling hole 120 formed in the body 100 . The cover 300 is provided with a transparent material to allow sunlight to pass therethrough, and may be provided with glass, polycarbonate, or the like. The cover 300 forms a stepped portion 320 toward the receiving groove 110 as shown in FIGS. 3 and 5 . The step portion 320 is configured to increase contact efficiency with the bus bar B of the solar cell 200 by pressing a contact electrode, which will be described later. The shape of the step portion 320 is preferably formed to correspond to the shape of the receiving groove 110 .

The electrode 400 is configured to emit electricity collected through the solar cell 200 to an external device, and includes a contact electrode 410 and an external electrode 420 as shown in FIG. 2 . The contact electrodes 410 are respectively in contact with the bus bars B of the solar cell 200 and are provided in the form of straight bars corresponding to the bus bars B. As shown in FIG. As described above, in the present specification, since the number of bus bars B of the solar cell 200 is three on both sides, as an example, the contact electrode 410 is also a solar cell as shown in FIGS. 2 and 5 . Three are provided on each side of (200). In the drawing, the contact electrode 410 in contact with the bottom bus bar B of the solar cell 200 is referred to as a first contact electrode 411 , and is in contact with the upper surface bus bar B of the solar cell 200 . The contact electrode 410 in contact is referred to as a second contact electrode 412 . One or both ends of the contact electrode 410 form an outwardly protruding elastic portion 413 as shown in FIGS. 2 and 5 . The elastic part 413 is configured such that the contact electrode 410 is in close contact with the bottom surface of the cover 300 and the receiving groove 110 , so that the bottom surface of the cover 300 and the receiving groove 110 is the contact electrode ( It is a configuration for increasing the contact efficiency between the bus bar B and the contact electrode 410 by pressing the 410). The elastic portion 413 is preferably formed at both ends of the contact electrode 410 , and is preferably formed by bending the contact electrode 410 .

The external electrode 420 is in contact with the contact electrode 410 and serves to transmit electricity generated from the solar cell 200 to an external device. One end of the external electrode 420 is connected to the contact electrode 410 , and the other end of the external electrode 420 is connected to an external device. The external electrode 420 is installed by being inserted into the connection groove 140 formed in the body 100 . The external electrode 420 includes a first external electrode 421 installed in the first connection groove 141 and a second external electrode 422 installed in the second connection groove 142 . The first external electrode 421 is connected to the first contact electrode 411 installed in the first ground groove 131 , and the second external electrode 422 is a second contact electrode installed in the second ground groove 132 . 412 , the height of the first external electrode 421 is lower than that of the second external electrode 422 as shown in FIGS. 6A and 6B . The external electrode 420 is provided to the body 100 through injection molding.

On the other hand, the unexplained symbol 'S' shown in FIG. 2 is interposed between the cover 300 and the body 100 as a sealing member to seal the receiving groove 110 of the body 100, and the cover on the body 100 (300) serves to increase the fastening force.

Hereinafter, the combination and operation of the block-type solar cell module configured as described above will be described.

A body 100 in which the first external electrode 421 and the second external electrode 422 are injection molded is provided. The first external electrode 421 and the second external electrode 422 are exposed to the first and second grounding grooves 131 and 132 through the first and second connection grooves 141 and 142 . become in a state of being Thereafter, the operator places the solar cell 200 in the receiving groove 110 of the body 100 . At this time, the operator arranges the first contact electrode 411 and the second contact electrode 412 on both sides of the solar cell 200, respectively, and the first contact electrode 411 and the second contact electrode 412 are the solar cells. Each of the cell 200 corresponds to the bus bar B on both sides. At this time, the operator slightly bends the contact electrode 410 so that both ends of the contact electrode 410 can be inserted into the ground groove 130 . Since the contact electrode 410 can be restored even if it is bent due to the characteristics of the material, both ends of the contact electrode 410 are respectively, as shown in FIG. 5 , even if the length of the contact electrode 410 is greater than the width of the receiving groove 110 . It may be inserted into the ground groove 130 . To be precise, one end of the first contact electrode 411 is in contact with the first external electrode 421 exposed through the first ground groove 131 , and the other end of the second contact electrode 412 is in contact with the second ground groove portion ( 132) and contacted with the exposed second external electrode 422 .

Next, the operator seats the sealing member (S) on the edge of the body (100), and seat the cover (300) on the sealing member (S). At this time, the step portion 320 of the cover 300 is located in the receiving groove (110). To be precise, the step portion 320 of the cover 300 is in close contact with the elastic portion 413 of the second contact electrode 412 , and the fastening hole 310 of the cover 300 is the coupling hole 120 of the body 100 . ) corresponds to In addition, the elastic portion 413 of the first contact electrode 411 is in close contact with the bottom surface of the receiving groove 110 . Thereafter, the operator fastens the cover 300 to the body 100 using fastening means such as bolts. The sealing member (S) is contracted to increase the fastening force between the cover 300 and the body 100 and maintain the airtightness of the body 100 . In addition, the cover 300 includes a second contact electrode 412 in contact with the cover 300 while being fastened to the body 100 and a first contact electrode 411 in contact with the bottom surface of the receiving groove 110 . As the pressure is applied, the contact efficiency of the contact electrode 410 on the bus bar B may be increased. As a result, the combination of the block-type battery module is completed, which can be understood through FIGS. 3 and 5 .

The solar cell module is one cell constituting a solar cell, and an operator can design such a block-type paper module to make a solar cell as shown in FIG. 7 .

As described so far, the block-type solar cell module according to the present invention is independently constructed by blocking one cell constituting the solar cell. Accordingly, as shown in FIG. 7, since only a specific block-type solar cell module can be separated and repaired or replaced, the convenience of repair work can be improved, and economic efficiency can be improved because there is no need to replace the entire solar cell. . In addition, the block-type solar cell module can configure various solar cells regardless of the installation environment.

Although the present invention has been described in detail with respect to the described embodiments, it is apparent to those skilled in the art that various modifications and variations are possible within the scope of the technical spirit of the present invention, and it is natural that such variations and modifications belong to the appended claims.

100: body 110: receiving groove
120: coupling hole 130: ground groove
131: first ground groove 132: second ground groove
140: connection groove 141: first connection groove
142: second connection groove 200: solar cell
300: cover 310: fastener
320: step 400: electrode
410: contact electrode 411: first contact electrode
412: second contact electrode 413: elastic part
420: external electrode 421: first external electrode
422: second external electrode

Claims (5)

a body forming a receiving groove having an open side; one solar cell accommodated in the receiving groove of the body; a cover made of a transparent material that shields the receiving groove; and an electrode connected between the bus bar of the solar cell and an external device;
Ground grooves are formed on both sides of the receiving groove in the longitudinal direction of the side, and on one side and the other side of the body, connection grooves for allowing the ground groove and the outside of the body to pass through are formed, respectively,
The electrode is connected to an external device through a ground groove and a connection groove,
The electrode is
a contact electrode having both ends inserted into the ground groove while in contact with the bus bar of the solar cell; and an external electrode inserted into the connection groove portion and connected between the contact electrode inserted into the ground groove portion and an external device;
The contact electrode is composed of a first contact electrode and a second contact electrode each closely attached to both sides of the cell of the solar cell,
The ground groove portion includes a first ground groove portion corresponding to the first contact electrode and a second ground groove portion corresponding to the second contact electrode,
The block-type solar cell module, characterized in that the connection groove part on one side is formed to communicate with the first ground groove part, and the connection groove part on the other side is formed to communicate with the second ground groove part. delete delete delete According to claim 1,
The contact electrode is formed of a straight bar corresponding to the bus bar of the solar cell, and one or both sides of the contact electrode form an outwardly protruding elastic part,
The elastic part is a block-type solar cell module, characterized in that supported on the bottom of the cover or the receiving groove.

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