WO2012050298A1 - Building-integrated device for connecting photovoltaic module - Google Patents

Abstract

Disclosed is a building-integrated device for connecting a photovoltaic module. The building-integrated device for connecting the photovoltaic module, according to one embodiment of the present invention, relates to the building-integrated device for connecting the photovoltaic module comprising a housing, both sides of which are connected to power cables, and a pair of contact rails which are mounted inside the housing for electrically connecting a ribbon, which is drawn from the photovoltaic module that is integrally mounted on a building, to a diode and power cables, wherein the contact rails can further comprise: elastic diode connection pieces, which are provided on one side of the contact rails, bend inwards from both sides, elastically contact each other, and which are extendedly formed toward the bottom so that the lead wire of the diode can be inserted from the top; and elastic ribbon connection pieces, which are formed adjacent to the diode connection pieces, bend inwards from both sides, elastically contact each other, are extendedly formed toward the bottom, and formed so as to part while penetrating a through-hole that is formed on a bottom surface, for inserting the ribbon from the bottom side.

Description

Building integrated solar module connection device

The present invention relates to a building integrated solar module connection device, and more particularly, to a building integrated solar module connection device capable of electrically connecting a ribbon drawn from a solar module installed integrally in a building with a diode and a distribution cable. will be.

BIPV (Building Integrated Photovoltaic) system is a system that installs solar modules on building facades such as exterior walls, windows, and awnings, so that electricity can be produced and used immediately.

Usually, a solar module connection box is provided on the upper part of the glass plate in order to install a solar cell between multiple glass plates and supply electricity to the outside.

1 is a block diagram showing a connection box of a conventional building integrated solar module.

The lead wires on both sides of the diode 2 are fixedly installed inside the outer insulation case 1, and a pair of connecting terminals 3 are inserted on both sides of the diode 2, respectively.

In addition, the connection terminal (3) is electrically connected to the external cable (5), and the ribbon (6) drawn out from the solar module inserted between the two glass plates is introduced into the external insulating case (1) to the connection terminal (3) Connected.

With this structure, the electricity produced in the solar module can be transmitted to the connection terminal 3 through the ribbon 6 and supplied via the diode 2 and the external cable 5 connected to the connection terminal 3. have.

By the way, the soldering method was conventionally used when the ribbon 6 provided in the photovoltaic module was connected to the connection terminal 3.

That is, a hole 3a is formed in the connecting terminal 3 so that the ribbon 6 is inserted through the hole 3a, and the ribbon 6 is soldered to the connecting terminal 3 by soldering. Was done.

However, this method has a disadvantage in that the soldering work is inconvenient and time-consuming and expensive because the inner width of the outer insulation case is very narrow. Above all, there were problems such as an increase in solder failure rate.

This problem occurs when the number of ribbons and diodes to be connected increases, making it more inefficient.

Embodiments of the present invention can be connected by simply inserting the ribbon and the bypass diode drawn out from the building integrated solar module to the contact rail without any additional work, and the structure is simple, yet the structure can prevent connection failure To provide a solar module connection device.

According to an aspect of the present invention, a contact rail for electrically connecting a ribbon drawn out from a solar module mounted on the housing and a pair mounted in the housing and integrally mounted in a building with a diode and a distribution cable are connected to both sides. In the building-integrated photovoltaic module connection device consisting of: the contact rail is bent from both sides to the inside on one side, the elastic contact with each other extending to the lower side is formed diode connection elasticity to insert the lead wire of the diode from the upper side side; And be formed adjacent to the diode connecting elastic piece, bent inward from both sides, and formed to extend downwards while being elastically in close contact with each other, and formed through a through hole formed in the lower surface to insert a ribbon from the lower side. It is possible to provide a building-integrated photovoltaic module connection device comprising a; ribbon connection elastic piece that can be.

Here, the diode connecting elastic piece is formed to extend from both sides of the contact rail and bent inwardly rounded, and is formed extending downward from the curved portion and bent in a 'v' shape to the outside and elastically contacted with each other It may be formed of an interval extending portion formed to extend outward from the bent portion to prevent the opening of the bent portion.

The ribbon connecting elastic piece extends inwardly from both sides of the contact rail, and a close contact portion formed elastically close to each other while extending downward from the extension portion, and penetrating the through hole from the close contact portion. It may be made of an expanded portion of the shape that opens.

In addition, one or more sub-contact rails may be provided between the pair of contact rails, wherein the sub-contact rails are formed at both sides, and are bent inwardly from both sides and extended downward to elastically contact each other to form a diode. A sub diode connecting elastic piece into which a lead wire is inserted; And formed between the sub-diode connection elastic pieces, bent inwardly from both sides and elastically closely contacted with each other, extending downward, and penetrating through the sub-holes formed in the lower surface to insert the ribbon from the lower side. It can be made, including; sub-ribbon connection elastic piece.

At this time, the sub-diode connecting elastic piece is formed extending from both sides of the sub contact rails and bent inwardly round, the sub-bending portion is formed extending downward from the sub-bending portion and bent in a 'v' shape to the outside and elastic with each other The sub-bending portion may be formed to extend outwardly from the sub-bending portion to contact with the sub-bending portion to prevent opening of the sub-bending portion.

In addition, the sub-ribbon connection elastic piece is a sub-extension portion extending inwardly from both sides of the sub-contact rail, a sub-contact portion that is elastically in close contact with each other while extending downward from the sub-extension, and the sub-contact It may be made of a sub-expansion portion of the shape that opens while passing through the sub-hole from the portion.

The present invention has a simpler structure than in the related art, and thus, the ribbon and the diode can be easily connected by simply inserting the diode into the diode connecting elastic piece and inserting the ribbon into the ribbon connecting elastic piece. Connection or replacement can be carried out, and the possibility of connection failure can be prevented at the same time, it can be fixed strongly, there is an effect that can greatly improve the work efficiency.

1 is a block diagram showing a connection box of a conventional building integrated solar module.

Figure 2 is an exploded perspective view showing a building integrated solar module connection device according to an embodiment of the present invention.

3 is an enlarged view illustrating the contact rail shown in FIG. 2.

4 is a side cross-sectional view of the contact rail shown in FIG. 3.

Figure 5 is an exploded perspective view showing a building integrated solar module connection device according to another embodiment of the present invention.

6 is an enlarged view illustrating the sub contact rail illustrated in FIG. 5.

FIG. 7 is a side cross-sectional view of the sub contact rail shown in FIG. 6. FIG.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention. The following description and the accompanying drawings are presented for the overall understanding of the present invention, and thus the technical scope of the present invention is not limited thereto. And a detailed description of known configurations and functions that may unnecessarily obscure the subject matter of the present invention will be omitted.

Figure 2 is an exploded perspective view showing a building integrated solar module connection device according to an embodiment of the present invention.

Referring to the present invention, the present invention includes a housing (h) having a box shape in the form of a substantially rectangular parallelepiped, a ribbon (r) withdrawn from the building integrated solar module (bipv), and a diode (d) and a distribution cable (c). It can be configured to include a contact rail (100) mounted in the housing (h) to be electrically connectable, the present invention has a technical feature on the contact rail (100).

First, the housing (h) may have a connector so that the distribution cable (c) is connected to both sides, the connector has a penetrated shape, the distribution cable (c) is inserted, the inserted distribution cable (c) is It may be connected to the contact rail 100 in the housing (h).

In the housing h, a pair of contact rails 100 are spaced apart and arranged in a row, connected by a diode d, and a ribbon r drawn below the housing h is connected to the contact. It has a structure connected to the lower part of the rail (100).

Next, the contact rail, which is the core of the present invention, will be described with reference to FIG. 3. 3 is an enlarged view illustrating the contact rail shown in FIG. 2, and FIG. 4 is a side cross-sectional view of the contact rail shown in FIG. 3.

The contact rail 100 has a passage shape by folding both sides of a flat plate, and a pair is provided, mounted in the housing h, and arranged in a row on both sides of the diode d. At this time, one side of the contact rail 100 is provided with a diode connecting elastic piece 120, it is electrically connected by connecting the lead wire of the diode (d) to the diode connecting elastic piece 120.

In addition, a ribbon connecting elastic piece 140 is provided at an adjacent portion of the diode connecting elastic piece 120, and the ribbon connecting elastic piece 140 is electrically connected by connecting a ribbon r drawn from the lower side.

On the other side of the contact rail 100, a distribution cable connector 160 is formed to be electrically connected to the distribution cable c.

Here, referring to FIGS. 3 and 4, the diode connecting elastic piece 120 may have a structure in which the curved part 122, the bent part 124, and the gap maintaining part 126 are continuously formed. .

* The curved portion 122 has a shape extending to the inside by bending both sides of the contact rail 100 and has a shape that continues to the lower portion of the bent portion 124 in a state of being bent roundly and in contact with each other. In general, it may be bent in the form of an arc, but is not limited thereto.

The bent portion 124 extends from the curved portion 122 and is formed downward and has a shape bent outward. In this case, the bent portion 124 may be bent in a 'V' shape as shown, but may have a rounded shape, such as a semicircle.

In addition, as shown in FIG. 4, the bent portion 124 is elastically contact-supported so that the lead wire of the diode d is inserted and not separated.

In addition, the gap maintaining part 126 is formed to extend outward from the bent part 124, and may be formed horizontally. The gap maintaining part 126 prevents the lead wire of the diode d from falling down due to the opening of the bent part 124.

That is, the gap of the bent portion 124 is limited by the end of the spacer 126 hits the side wall of the contact rail 100 and can not proceed any further.

Meanwhile, referring to FIGS. 3 and 4, the ribbon connecting elastic piece 140 may have a structure in which an extension part 142, an adhesion part 144, and an extension part 146 are continuously formed. .

The extension part 142 is bent on both sides of the contact rail 100 so as to extend inwardly and has a shape that is connected to the lower contact part 144 in contact with each other.

The close contact portion 144 extends from the curved portion 122 and is formed vertically downward, and has a shape in which the close contact portion 144 is elastically in close contact with each other. In this case, as shown in FIG. 4, the contact portion 144 may have a ribbon r inserted from the lower side, and the ribbon r inserted into the contact portion 144 may be elastically tightly supported, thereby being connected. Do not deviate while maintaining it.

In addition, the expansion portion 146 extends downward from the close contact portion 144, and forms a gaping shape. In this case, the extension part 146 protrudes downward through the through hole 100a formed in the bottom surface of the contact rail 100, and the ribbon r is easily inserted into the extension part 146 protruding in this way. .

Hereinafter, another embodiment of the present invention will be described with reference to FIGS. 5, 6, and 7. 5 is an exploded perspective view illustrating a building integrated solar module connection device according to another exemplary embodiment of the present invention, FIG. 6 is an enlarged view of the sub contact rail shown in FIG. 5, and FIG. 7 is a sub shown in FIG. 6. Side sectional view of a contact rail.

Referring to FIG. 5, according to another exemplary embodiment of the present invention, the pair of contact rails described above are spaced apart from each other in the housing h, and a sub contact rail 200 is provided between the pair of contact rails 100. Has a structure. In this case, one or more sub-contact rails 200 may be provided.

In another embodiment of the present invention, since the contact rail 100 and the housing h are substantially the same as those described above, a detailed description thereof will be omitted and the sub-contact rail 200 having technical features will be omitted with reference to FIGS. 6 and 7. I will explain.

The sub contact rail 200 has a passage shape by folding both sides of a flat plate, and a pair of sub diode connection elastic pieces 220 are provided on both sides, respectively, and the contact rail 100 and the diode disposed on both sides are provided. connected by (d).

In addition, a sub-ribbon connection elastic piece 240 is provided between the sub-diode connection elastic pieces 220 to connect the ribbon r drawn from the lower side to be electrically connected.

Here, the sub-diode connecting elastic piece 220 may have a structure in which the sub-bending portion 222, the sub-bending portion 224, and the sub-space maintaining portion 226 are continuously formed.

The sub-bending portion 222 has a shape extending inwardly by bending both sides of the sub-contact rail 200, and has a shape leading to the sub-bending portion 224 at a lower side in a state of being bent roundly to contact each other. In general, it may be bent in the form of an arc, but is not limited thereto.

The sub bent part 224 extends from the sub bent part 222 and is formed downward and has a shape bent outward. In this case, the sub-bent portion 224 may be bent in a 'V' shape as shown, but may have a rounded shape, such as a semicircle.

As shown in FIG. 7, a lead wire of the diode d is inserted into and supported by the sub-bent part 224 so as not to be separated.

In addition, the sub-gap maintaining part 226 extends outward from the sub-bent part 224 and may be formed horizontally. The sub interval maintaining part 226 prevents the lead wire of the diode d from falling down due to the opening of the sub bent part 224.

Meanwhile, referring to the sub ribbon connecting elastic piece 240, the sub extension part 242, the sub contact part 244, and the sub extension part 246 may have a structure in which they are continuously formed.

The sub extension part 242 is bent on both sides of the sub contact rail 200 to extend inwardly and has a shape leading to the sub contact part 244 at the bottom in contact with each other.

The sub contact part 244 extends from the sub curved part 222 and is formed vertically downward and is elastically contacted with each other. In this case, as shown in FIG. 7, the sub contact part 244 may have a ribbon r inserted from the lower side, and the ribbon r inserted into the sub contact part 244 may be elastically tightly supported. Do not leave while staying connected.

In addition, the sub-expansion unit 246 extends downward from the sub-adhesion unit 244 and has a shape that is opened. In this case, the sub extension part 246 protrudes downward through the sub through hole 200a formed in the lower surface of the sub contact rail 200, and the ribbon r is formed on the protruding sub extension part 246. It can be inserted easily.

For reference, the sub contact rails 200 may be provided in plural numbers according to a purpose. That is, a plurality of ribbons r and a plurality of diodes d mounted may be used.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art, various modifications of the present invention within the scope of the claims without departing from the spirit and scope of the present invention And can be changed.

The present invention relates to a building integrated solar module connection device, and more particularly, to a building integrated solar module connection device capable of electrically connecting a ribbon drawn from a solar module installed integrally in a building with a diode and a distribution cable. Available.

Claims (6)

A diode (d) and a distribution cable (c) are provided with a housing (h) to which a distribution cable is connected to both sides, and a ribbon (r) drawn out from a solar module mounted in the housing (h) to be integrated in a building. In the building-integrated solar module connection device composed of a contact rail 100 for electrically connecting with the The contact rail 100, A diode connecting elastic piece 120 which is bent inward from both sides on one side and extends downward while elastically contacting each other to insert the lead wire of the diode d from the upper side; And It is formed adjacent to the diode connection elastic piece 120, is bent inward from both sides, is formed to extend downwards while being elastically in close contact with each other, made of a shape that is formed while penetrating through the through-hole (100a) formed on the lower surface Integrated ribbon module connection device comprising a; ribbon connection elastic piece 140 that can be inserted into the ribbon (r). The method of claim 1, The diode connecting elastic piece 120, The curved portion 122 is formed to be extended from both sides of the contact rail 100 and bent inwardly, and is formed to extend downward from the curved portion 122 and bend outwardly into a 'v' shape and elastically contact each other. Building-integrated photovoltaic module connection, characterized in that the bending portion 124 and the gap maintaining portion 126 is formed to extend outward from the bending portion 124 to prevent the opening of the bending portion 124. Device. The method of claim 1, The ribbon connecting elastic piece 140, An extension part 142 extending inwardly from both sides of the contact rail 100, an extension part 144 extending downward from the extension part 142 and being in close contact with each other elastically, and the contact part ( 144, building integrated solar module connection device, characterized in that it can be made through the expansion portion 146 of the shape that is opening while passing through the through hole (100a). The method according to any one of claims 1 to 3, One or more sub-contact rails 200 may be provided between the pair of contact rails 100. The sub contact rail 200 A sub-diode connecting elastic piece 220 which is formed on both sides and is bent inwardly from both sides and extends downward while elastically contacting each other to insert a lead wire of the diode d; And It is formed between the sub-diode connection elastic piece 220, is bent from both sides inwardly and elastically close to each other is formed extending downwards and is formed in a shape that opens while penetrating through the sub-hole 200a formed in the lower surface at the lower side Building integrated solar module connection device comprising a; sub-ribbon connection elastic piece 240 which can insert the ribbon (r). The method of claim 4, wherein The sub diode connection elastic piece 220, The sub curved portion 222 which is formed from both sides of the sub contact rail 200 and is bent inwardly and formed to extend downward from the sub curved portion 222 and is bent in a 'v' shape to the outside and elastic to each other The sub-bending portion 224 and the sub-bending portion 224 is formed extending outward from the sub-bending portion 224 to prevent the opening of the sub-bending portion 224, characterized in that the Building integrated solar module connection device. The method of claim 4, wherein The sub ribbon connection elastic piece 240, A sub extension part 242 extending inwardly from both sides of the sub contact rail 200, a sub contact part 244 extending downward from the sub extension part 242 and being in close contact with each other elastically; Building integrated solar module connection device, characterized in that it can be made of a sub-expansion portion 246 of the shape that opens while passing through the sub through hole (200a) from the sub-contact portion (244).

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