TWI702791B - Combined solar cell module - Google Patents

Abstract

A combined solar cell module includes a solar cell module, an end connection device, and an output connection device. The solar cell module includes a first and a second connection portions disposed on two opposite sides of a substrate, and connection lines which connect solar cells to the first and the second connection portions. The first connection portion has a first holding space, the second connection portion has a second holding space corresponding to the first holding space up and down, and first and second connection parts are disposed within the first and the second holding spaces respectively. At least one of the first and the second connection parts is a magnetic material, and the other is a magnetic material or a magnetically attractable material. The end connection device and the first connection portion are detachable and connectable. The output connection device and the second connection portion are detachable and connectable, and thus they are electrically connected and output the current generated by the solar cells.

Description

Combined solar cell module

The present invention relates to a solar cell module, and particularly relates to a combined solar cell module.

Under the globalization issue, the use of emerging energy and energy-saving green technologies has become the focus of everyone’s attention. Among them, solar energy is a clean, pollution-free and inexhaustible energy source. Therefore, solar cell modules that can directly convert solar energy into electrical energy have Become the current development focus of using solar energy.

Generally speaking, in order to provide a larger output power, multiple solar cell modules are connected in series. However, in order to make the combined solar cell module stable and reliable, a complicated and relatively difficult assembly method is required, so it is relatively difficult to disassemble the solar cell module.

However, if it is required to quickly disassemble the solar cell modules, it is often because the combination of the solar cell modules is not strong, which leads to the problem of easy loosening of the solar cell modules.

The invention provides a combined solar cell module, which can be quickly combined, and achieves the effects of easy installation, easy disassembly, stable connection, and difficulty in horizontal falling off.

The combined solar cell module of the present invention includes at least one solar cell module, a terminal connection device and an output connection device. The solar cell module includes a substrate, a plurality of solar cells, a first connecting portion, a second connecting portion, a plurality of first connecting members, a plurality of second connecting members, and a plurality of first connecting wires. The substrate has a first pair of sides and a second pair of sides opposite to each other, and the solar cell is located on the substrate. The first connecting portion is disposed on the first opposite sides of the substrate, and a recessed first accommodating space is provided in the first connecting portion. The second connecting portion is disposed on the second opposite side of the substrate, and there is a second accommodating space in the second connecting portion. The first connecting members are respectively arranged in the first accommodating space, the second connecting members are respectively arranged in the second accommodating space, and the shape and arrangement of the second accommodating space provided with the second connecting member are different. The shape of the first accommodating space of the first connecting member is correspondingly matched up and down, so that the relative position of the exposed surface of the second connecting member and the exposed surface of the first connecting member is up and down, and the first connecting member and the first connecting member At least one of the two connecting members is a magnetic material, and the other is a magnetic material or a material capable of magnetic attraction. As for the first connection wire, the solar cell and the first connection member and the solar battery and the second connection member are respectively connected to transmit the current generated by the solar cell to the first connection member and the second connection member through the first connection wire. The tail end connecting device is detachably connected to the first connecting part for electrically connecting the first connecting member. The output connection device is detachably connected to the second connection part, and is used to electrically connect the second connection member and output the current generated by the solar cell.

Based on the above, the combined solar cell modules of the present invention are connected by magnetic attraction, and the connected devices have corresponding shapes, and can also have the functions of current transmission and connecting solar cell modules, so that each solar cell module It can be quickly combined to achieve the functions of easy installation, easy disassembly, stable connection, and not easy to fall off horizontally, and it can be used according to voltage or current requirements with the tail connection device and the output connection device that are also connected by magnetic attraction. It can be easily stored and assembled.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

100, 200, 300, 700: combined solar cell module

102: Solar cell module

104: End connection device

106, 302: Export connected device

108: substrate

108a: The first pair of sides

108b: second pair of sides

110: Solar cell

112: The first connection part

114, 702: second connection part

116: The first link

116a, 118a, 128a, 134a: exposed surface

118: The second link

120: The first connection line

122: first housing space

124: Second housing space

126: End connection

128: End connector

130: second connection line

132, 400: Export connection part

132a, 400b: the first neighbor

132b, 400c: second adjacent side

134: Export link

136, 408: third connecting line

202: fixed parts

304: connecting device

306: link

400a: side

402: The first export link

404: Second export link

406: Third export link

Fig. 1A is an exploded top view of a combined solar cell module according to the first embodiment of the present invention.

Fig. 1B is a schematic cross-sectional view of the line B-B' of Fig. 1A.

2A is a schematic top view of the combined solar cell module of the second embodiment.

Fig. 2B is a schematic cross-sectional view of the line B-B' of Fig. 2A.

3 is a schematic top view of a combined solar cell module according to a third embodiment of the invention.

Fig. 4 is a schematic top view of an export connection device in the third embodiment.

Fig. 5 is a schematic cross-sectional view of the line segment V-V' in Fig. 3.

Fig. 6 is a schematic cross-sectional view of another outlet connection device in the third embodiment.

Fig. 7A is a combined solar cell according to the fourth embodiment of the present invention The top exploded view of the module.

Fig. 7B is a schematic cross-sectional view along the line B-B' of Fig. 7A.

Please refer to the following embodiments and accompanying drawings in order to fully understand the present invention, but the present invention can still be practiced in many different forms and should not be construed as limited to the embodiments described herein. In the drawings, for the sake of clarity, the components and their relative dimensions may not be drawn according to actual scale.

Fig. 1A is a top exploded view of a combined solar cell module according to the first embodiment of the present invention; Fig. 1B is a schematic cross-sectional view along the line B-B' of Fig. 1A.

Referring to FIGS. 1A and 1B at the same time, the combined solar cell module 100 of the first embodiment includes a solar cell module 102, a terminal connection device 104 and an output connection device 106. In the first embodiment, the number of solar cell modules 102 is one, but the present invention is not limited to this. The number of solar cell modules 102 can also be multiple, and the number of solar cell modules 102 can be connected in series, parallel, or mixed in series and parallel. The method connection combination achieves the effect of expanding the solar cell module 102. Each solar cell module 102 includes a substrate 108, a plurality of solar cells 110 on the substrate 108, a first connecting portion 112, a second connecting portion 114, a plurality of first connecting members 116, a plurality of second connecting members 118, and A number of first connecting lines 120. The plurality of first connecting wires 120 respectively connect the solar cell 110 and the first connecting member 116 and connect the solar cell 110 and the second connecting member 118. In detail, several solar cells 110 can be connected by the same first connecting wire 120 and the same first connecting member 116 respectively, and by the same first connecting wire 120 and the same second connecting member 116. The element 118 is connected to form a solar cell group, but the single solar cell group is not connected to the other first connecting line 120, the other first connecting element 116, and the other second connecting element 118, that is, in the same In the solar cell group, several solar cells 110 will be connected to the same first connecting wire 120, the same first connecting member 116 and the same second connecting member 118. Different solar cell groups have their respective first connections The wire 120, the first link 116 and the second link 118 are not connected. The substrate 108 has a first pair of sides 108a and a second pair of sides 108b disposed opposite to each other. The first connecting portion 112 is disposed on the first pair of sides 108a of the substrate 108, and the first connecting portion 112 has a recessed first accommodating space 122 . In addition, in addition to the rectangular shape shown in FIG. 1A, the shape of the first connecting portion 112 may also be square, rectangular, rounded rectangular, polygonal, round, oval, T-shaped, etc. The second connection portion 114 is disposed on the second opposite side 108 b of the substrate 108, and the second connection portion 114 has a second accommodating space 124. In addition, in addition to the rectangular shape shown in FIG. 1A, the shape of the second connecting portion 114 may also be square, rectangular, rounded rectangular, polygonal, round, oval, T-shaped, etc. The first connecting member 116 is respectively disposed in the first accommodating space 122, and the second connecting member 118 is respectively disposed in the second accommodating space 124. It should be noted that the first connecting member 116 does not occupy the entire first accommodating space 122. The accommodating space 122, the second connecting member 118 does not occupy the entire second accommodating space 124, and the shape of the second accommodating space 124 provided with the second connecting member 118 is the same as that of the first housing provided with the first connecting member 116 The shape of the setting space 122 is correspondingly matched up and down, so that the relative positions of the exposed surface 118a of the second connecting member 118 and the exposed surface 116a of the first connecting member 116 are up and down. In this embodiment, the second connecting portion 114 and the first connecting portion 112 are both disposed on the same surface of the substrate 108, and the first One connecting portion 112 is a convex portion, and the second connecting portion 114 is a cover. The cover has a corresponding shape that can cover the first connecting portion 112, and the second connecting member 118 is located on the inner surface of the top of the cover. Therefore, the connection and fixing strength of the first connecting portion 112 and the second connecting portion 114 of the first embodiment is high, and there is no left-right displacement or slippage. In another embodiment, the shapes of the first connecting portion 112 and the second connecting portion 114 can also be swapped, that is, the first connecting portion 112 can be a cover, and the second connecting portion 114 can be a convex portion, as long as it is connected to the tail end The structures of the device 104 and the export connection device 106 may correspond to each other, and are not limited to those listed.

As for the first connecting wire 120, connecting the solar cell 110 and the first connecting member 116 and connecting the solar cell 110 and the second connecting member 118, respectively, so as to transmit the current generated by the solar cell 110 to the first connecting member through the first connecting wire 120. Piece 116 and a second connecting piece 118. Therefore, the first connecting member 116 and the second connecting member 118 can serve as a connecting device and a current output terminal at the same time, and when the resistivity of the first connecting member 116 and the second connecting member 118 is less than 10 ^-2 ohm-cm, it is favorable for current The resistivity of the first connecting member 116 and the second connecting member 118 is, for example, less than 10 ^-4 ohm-cm. In FIG. 1B, the first connection line 120 contacts the solar cell 110 in a schematic manner, but it should be understood that the first connection line 120 may be connected to the bus line (not shown) of the solar cell 110 and is connected to each first There may be one or more first connecting wires 120 to which the connecting member 116 and the second connecting member 118 are connected. For example, the first connection line 120 can be designed as a two-wire or four-wire type, which can provide voltage and current connection and transmission, as well as other module function applications.

In one embodiment, the first connecting member 116 and the second connecting member 118 are both magnetic materials (such as magnets), and the magnetic poles of the first connecting member 116 are different from the second connecting member 118 Or, each first connecting member 116 has a different magnetic pole, and each second connecting member 118 has a different magnetic pole. For example, the magnetic material on the same side of the solar cell module 102 (that is, the same opposite side) can be the opposite magnetic pole (N, S or S, N), and the magnetic material on the other side needs to be the corresponding magnetic pole (S, N or N, S); the magnetic material on the same side of the solar cell module 102 can be the same polarity (N, N or S, S), and the magnetic material on the other side needs to be the corresponding magnetic pole (S, S or N, N). In another embodiment, one of the first connecting member 116 and the second connecting member 118 is made of magnetic material (N, S or S, N or S, S or N, N), and the other is available for magnetic attraction. (Such as ferromagnetic materials, such as metal materials such as iron, nickel, and cobalt), and the magnetic materials can have the same or different magnetic poles. The magnetic material is one of ferrite, neodymium iron boron, alnico, iron chromium cobalt alloy, samarium cobalt, samarium iron nitrogen, etc.; or, a conductive layer (not shown) is used to cover general magnetic The material is used as the first connecting member 116 and/or the second connecting member 118.

In the first embodiment, the electrical properties of the solar cell module 102 on the same side (that is, the same opposite side) are the positive electrode and the negative electrode, and the corresponding electrical properties of the other side are the negative electrode and the positive electrode; that is, the electrical properties of the first opposite side 108a One of the first connecting members 116 is a positive electrode and the other is a negative electrode, and the second connecting member 118 of the second opposite side 108b is a negative electrode and one of a positive electrode. In this way, the solar cell groups can work in series. However, the present invention is not limited to this, and any circuit capable of outputting the current generated by the solar cell 110 can be applied to the solar cell module 102 of the present invention.

Please continue to refer to FIGS. 1A and 1B, the end connecting device 104 is detachably connected to the first connecting portion 112 for electrically connecting to the first connecting member 116; the output connecting device 106 is detachably connected to the second connecting portion 114 , Used to electrically connect the second connecting member 118 and form an output return circuit to output the current generated by the solar cell 110. The tail connecting device 104 of the first embodiment includes a tail connecting portion 126, a plurality of tail connecting members 128 and a second connecting wire 130. The rear end connecting members 128 are arranged on the rear end connecting portion 126, and the relative positions of the exposed surfaces 128a of these rear end connecting members 128 and the exposed surfaces 116a of the first connecting member 116 are up and down, and the number of the rear end connecting members 128 It may be the same as the number of the first link 116. The second connecting wire 130 connects these end connectors 128 to make the end connectors 128 serially connected. In this embodiment, at least one of the first connecting member 116 and the end connecting member 128 is a magnetic material, and the other is a magnetic material or a material capable of magnetic attraction. That is, when the first connecting member 116 is a magnetic material, the end connecting member 128 is a magnetic material or a material that can be magnetically attracted; when the first connecting member 116 is a material that can be magnetically attracted, the end connecting member 128 It is a magnetic material, and vice versa. In one embodiment, the electrical resistivity of the end connecting member 128 is, for example, less than 10 ^-2 ohm-cm.

The export connection device 106 of the first embodiment may include an export connection portion 132, a plurality of export connections 134, and a plurality of third connection lines 136 connecting the export connections 134. The export connector 134 is arranged on the first adjacent side 132a and the second adjacent side 132b adjacent to the export connector 132; however, the present invention is not limited to this, and the number and position of the export connector 134 can be according to requirements As long as the relative positions of the exposed surface 134a of the output connector 134 corresponding to the second connector 118 and the exposed surface 118a of the second connector 118 are lower and upper, the current generated by the solar cell 110 can be output. The effect can be. In this embodiment, at least one of the second connecting member 118 and the output connecting member 134 is a magnetic material, and the other is a magnetic material or a material capable of magnetic attraction. That is, when the second connecting member 118 is a magnetic material, the export connecting member 134 is a magnetic material or a material that can be magnetically attracted; when the second connecting member 118 is a material that can be magnetically attracted, the export connecting member 134 It is a magnetic material, and vice versa. In one embodiment, the electrical resistivity of the output connector 134 is, for example, less than 10 ^-2 ohm-cm. The third connecting line 136 is connected to the output connector 134. In detail, the third connecting line 136 respectively connects a part of the export connector 134 corresponding to the second connector 118 and a part of the export connector 134 not corresponding to the second connector 118.

2A is a schematic top view of the combined solar cell module of the second embodiment; FIG. 2B is a schematic cross-sectional view of the BB' line segment in FIG. 2A, in which the same component symbols as in the first embodiment are used to indicate the same or similar For the same or similar components, please refer to the first embodiment, which will not be repeated.

2A and 2B, the combined solar cell module 200 is composed of two solar cell modules 102, a terminal connection device 104, and an output connection device 106. Although only two solar cell modules 102 are shown in the second embodiment, it should be understood that the number of solar cell modules 102 can be increased to a large number according to requirements, and a booster circuit or general circuit may be added to boost the pressure. When the solar battery modules 102 are connected to each other, the first connecting portion 112 of the solar battery module 102 will be connected to the second connecting portion 114 of another solar battery module 102, and the second connection is made by magnetic attraction. The member 118 and the first connecting member 116 are connected at corresponding positions up and down and can transmit current. At the same time, installed at the end of the combined solar cell module 200 The end connecting device 104 can be connected to the first connecting member 116 in the first connecting portion 112 of one of the solar cell modules 102, and the output connecting device 106 installed on the output end of the combined solar cell module 200 can be electrically connected. The second connecting member 118 in the second connecting portion 114 of another solar cell module 102 is connected to extract the current generated by the solar cell 110. In addition, the four corners of the solar cell module 102 can also be provided with fixing members 202, such as fisheyes, collars, nails, etc., to complete the solar cell module 102, the end connection device 104 and the output connection device 106 After the combination of, the combined solar cell module 200 is fixed to other equipment (such as buildings, vehicles, walls, ground, etc.).

3 is a schematic top view of a combined solar cell module according to a third embodiment of the present invention, in which the same component symbols as in the first embodiment are used to denote the same or similar components, and the same or similar components are also Please refer to the first embodiment, which will not be repeated here.

Please refer to FIG. 3, the combined solar cell module 300 of the third embodiment includes nine solar cell modules 102, three end connection devices 104 and three output connection devices 302. Every three solar cell modules 102 are connected together, and the lines are connected in series by a tail connection device 104, and then connected to an output connection device 302. Since the multiple output connection devices 302 can be connected to each other, the three solar cell modules 102 connected in series can be connected to the other two sets of three solar cell groups 102 in series to form a parallel circuit through the output connection device 302. In addition, the output connection device 302 may also have a display (not shown) to display voltage and current; or connection required To increase the flexibility of use of output terminals.

4 is a schematic top view of the export connection device 302 in the third embodiment.

In FIG. 4, the export connection device 302 includes an export connection part 400, a plurality of first export connections 402, a plurality of second export connections 404, a plurality of third export connections 406, and a plurality of first export connections. Three connection line 408. The first outlet connecting piece 402 is disposed on one side 400a of the outlet connecting portion 400, and the first outlet connecting piece 402 is relative to the exposed surface of the second connecting piece (118 in FIG. 3). . In the output connection device 302 of the third embodiment, the second and third output connections 404 and 406 connected to the same first output connection 402 have the same polarity (positive or negative) for connecting solar The positive and negative electrodes of the battery module 102 are used for connecting output terminals or parallel expansion.

Moreover, at least one of the second connecting member (118 in FIG. 3) and the first outgoing connecting member 402 is a magnetic material, and the other is a magnetic material or a material capable of magnetic attraction. That is, when the second connecting member 118 is a magnetic material, the first output connecting member 402 is a magnetic material or a material that can be magnetically attracted; when the second connecting member 118 is a material that can be magnetically attracted, the first The output connecting member 402 is made of magnetic material, and vice versa. The second outlet connector 404 is arranged on the first adjacent side 400b adjacent to the side 400a, and the third outlet connector 406 is arranged on the second adjacent side 400c adjacent to the side 400a, one of which is connected to The second output connector 404 of the device 302 can be detachably connected to the third output connector 406 of another output connector 302. Each third connection line 408 connects the first output connector 402 and the second output connector 404 and the third output connector 406 connected to the same first output connector 402 respectively.

Please refer to FIG. 3 again. If the second output connector 404 and the third output connector 406 between the two export connection devices 302 are connected by magnetic attraction and current transmission, an additional connection device 304 can be added. As shown in Figure 5. 5 is a schematic cross-sectional view of the line V-V' of FIG. 3, in which it is shown that the connecting device 304 has a connecting member 306 electrically connected. When the second output connection piece 404 and the third output connection piece 406 are made of magnetic material, the connection piece 306 is a magnetic material or a material that can be magnetically attracted; when the second output connection piece 404 and the third output connection piece 406 is a material that can be magnetically attracted, and the connecting member 306 is a magnetic material, and vice versa.

In addition, the second output connection member 404 and the third output connection member 406 can also be connected in other ways, such as the first connection portion 112 and the second connection portion 114 of the first embodiment, so that the second output connection member 404 One of the connecting members with the third outlet 406 is a convex portion and the other is a cover; or a fitting structure as shown in FIG. 6.

In FIG. 6, the second outlet connector 404 is located at the convex portion of the outlet connector 400, and the third outlet connector 406 is located at the concave portion of the outlet connector 400. The shapes of the convex and concave portions of the outlet connector 400 are It can be matched with each other, so that the second output connector 404 and the third output connector 406 between the two output connection devices 302 can be connected and transmitted simultaneously in the form of a male and female connector, so no additional connection is required Pieces.

In another embodiment, the output connection device 302 can also be a single individual (such as wires and connectors), and all the solar cell modules 102 connected in series are connected in parallel.

FIG. 7A is a top exploded view of a combined solar cell module according to a fourth embodiment of the present invention; FIG. 7B is a schematic cross-sectional view of the line B-B' of FIG. 7A, which The same component symbols as those in the first embodiment are used to indicate the same or similar components, and the same or similar components can also refer to the first embodiment, and will not be repeated.

Referring to FIGS. 7A and 7B at the same time, the combined solar cell module 700 of the fourth embodiment is similar to the first embodiment. It should be noted that, in this embodiment, the second connecting portion 702 and the first connecting portion 112 are disposed on different surfaces of the substrate 108, and the second connecting member 118 is located on the second connecting portion 702 and slightly protrudes to The relative positions of the exposed surface 118a of the second connecting member 118 and the exposed surface 116a of the first connecting member 116 are made up and down.

When the solar cell modules 102 are assembled with each other, the first connecting portion 112 of the solar cell module 102 will be connected to the second connecting portion 702 of another solar cell module 102, and the second connection is made by magnetic attraction. The member 118 and the first connecting member 116 are connected at corresponding positions up and down and can transmit current. In addition, the tail connecting device 104 of the fourth embodiment is detachably connected to the first connecting portion 112 to electrically connect to the first connecting member 116; the output connecting device 106 is detachably connected to the second connecting portion 702 to electrically connect The second connector 118 is electrically connected and the current generated by the solar cell 110 is output. Moreover, the shape of the output connection device 106 can be changed according to the shape of the second connection portion 702, and is not limited to the drawing. As for the other components of the combined solar cell module 700, please refer to the description of the first embodiment.

The following experiments are listed to verify the effect of the present invention, but the present invention is not limited to the following content.

<Experimental example>

Make two solar cell modules (Module) as shown in Fig. 1A, namely module A and module B, and then measure their electrical characteristics, as shown in Table 1 below.

Make the end connection device and the export connection device as shown in Figure 1A. Connect module A and module B in series by magnetic attraction, then assemble the end connection device and the output connection device to obtain the combined solar cell module as shown in Figure 2A, and measure the electrical characteristics of the series connection , Shown in Table 1 below.

From Table 1, the power of module A and module B before series connection is about 4.5W~4.6W, and the actual power of the combined solar cell module after series connection is 8.45W, so magnetic attraction is used The connection can indeed complete the power generation operation.

In summary, the modules of the present invention are connected up and down by magnetic attraction, and the connected device has the functions of current transmission and connection of solar cell modules, so the solar cell modules can be quickly combined to achieve easy installation, Easy to disassemble, stable connection, not easy to fall off horizontally, no displacement, no slippage, etc., and with the tail connection device and the output connection device that are also connected by magnetic attraction, it can also be connected in series and parallel for convenient and quick combination Expand solar cell modules.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be determined by the scope of the attached patent application.

100‧‧‧Combined solar cell module

102‧‧‧Solar battery module

104‧‧‧End connection device

106‧‧‧Export connected device

108‧‧‧Substrate

108a‧‧‧The first pair of sides

108b‧‧‧Second opposite side

110‧‧‧Solar cell

112‧‧‧First connection part

114‧‧‧Second connecting part

116‧‧‧First link

118‧‧‧Second link

120‧‧‧First connection line

126‧‧‧End connection

128‧‧‧End connector

130‧‧‧Second connection line

132‧‧‧Export connection

132a‧‧‧First neighbor

132b‧‧‧Second neighbor

134‧‧‧Export link

136‧‧‧Third connection line

Claims (20)

A combined solar cell module includes: at least one solar cell module, including: a substrate having a first pair of sides and a second pair of sides arranged opposite to each other; a plurality of solar cells located on the substrate; a first connecting portion, Is arranged on the first opposite side of the substrate, and the first connecting portion has a concave first accommodating space; the second connecting portion is arranged on the second opposite side of the substrate, and the second connecting portion has a second Accommodating space; a plurality of first connecting parts are respectively arranged in the first accommodating space; a plurality of second connecting parts are respectively arranged in the second accommodating space, the second connecting parts are arranged The shape of the second accommodating space and the shape of the first accommodating space provided with the first connecting members are matched up and down correspondingly, so that the exposed surfaces of the second connecting members and the first connecting members are exposed The relative position of the surface is up and down, and at least one of the first connecting parts and the second connecting parts is a magnetic material, and the other is a magnetic material or a material that can be magnetically attracted; A connecting wire, respectively connecting the solar cells and the first connecting members and connecting the solar cells and the second connecting members, so that the current generated by the solar cells is respectively transmitted to the first connecting wires The first connecting pieces and the second connecting pieces; the end connecting device is detachably connected to the first connecting portion for electrically connecting the first connecting pieces; and the output connecting device is connected to the first connecting portion The two connecting parts are detachably connected, and are used for electrically connecting the second connecting parts and outputting the current generated by the solar cells. According to the combined solar cell module described in claim 1, wherein the second connecting portion and the first connecting portion are arranged on the same surface of the substrate. As for the combined solar cell module described in item 2 of the scope of patent application, wherein the second connecting part is a cover, the cover has a shape that can cover the first connecting part, and the second connecting parts are located in the The top inner surface of the cover. According to the combined solar cell module described in claim 1, wherein the second connecting portion and the first connecting portion are arranged on different surfaces of the substrate. In the combined solar cell module described in item 1 of the scope of patent application, the first connecting members and the second connecting members are all magnetic materials. As for the combined solar cell module described in item 1 of the scope of patent application, wherein the first connecting members are magnetic materials and the second connecting members are materials that can be magnetically attracted; or the second connecting members are The magnetic material and the first connecting members are materials capable of magnetic attraction. As for the combined solar cell module described in item 1 of the scope of patent application, the tail end connecting device includes: a tail end connecting part; a plurality of tail end connectors are arranged on the tail end connecting part, and the tail ends The relative position of the exposed surface of the connecting member and the exposed surface of the first connecting member is up and down, wherein at least one of the first connecting member and the tail end connecting member is a magnetic material, and the other is A magnetic material or a material that can be used for magnetic attraction; and at least one second connecting wire to connect the tail end connectors. In the combined solar cell module described in item 7 of the scope of the patent application, the number of the tail end connectors is the same as the number of the first connectors. As for the combined solar cell module described in item 7 of the scope of the patent application, the resistivity of the end connectors is less than 10 ^-2 ohm-cm. For the combined solar cell module described in item 1 of the scope of patent application, the export connection device includes: an export connection part; The relative positions of the exposed surfaces of the export connectors and the exposed surfaces of the second connectors corresponding to the second connectors are lower and upper, and the second connectors are relative to those of the export connectors. At least one is a magnetic material, and the other is a magnetic material or a material that can be magnetically attracted; and a plurality of third connecting wires are connected to the output connectors. For example, the combined solar cell module described in item 10 of the scope of patent application, the third connecting wires are connected to the parts corresponding to the second connecting parts, the exporting connecting parts and the second connecting parts. The corresponding part of the connector should export the connector. For the combined solar cell module described in item 10 of the scope of the patent application, the output connecting members are respectively arranged on the first adjacent side and the second adjacent side of the output connection portion. The combined solar cell module according to the scope item 10, wherein the resistivity of the output connecting members is less than 10 ^-2 ohm-cm. For the combined solar cell module described in item 1 of the scope of patent application, the export connection devices include: an export connection part; a plurality of first export connections are arranged on one side of the export connection part , And the relative positions of the first export connectors and the exposed surfaces of the second connectors are lower and upper, wherein at least one of the second connectors and the first export connectors Is a magnetic material, the other is a magnetic material or a material that can be magnetically attracted; a plurality of second output connectors are arranged on the first adjacent side adjacent to the side; and a plurality of third output connectors , Arranged on a second adjacent side adjacent to the side, wherein the second output connectors are detachably connected with the third output connectors; and a plurality of third connecting lines, each of the first The three connecting lines respectively connect each of the first export connectors and the second export connectors and the third export connectors connected to the same first export connector. As for the combined solar cell module described in item 14 of the scope of patent application, the second output connectors are located at the convex portion of the output connection portion, and the third output connectors are located at the output connection portion The shape of the convex portion and the concave portion of the outlet connecting portion match each other. In the combined solar cell module described in item 1 of the scope of patent application, the resistivity of the first connecting members and the second connecting members is less than 10 ^-2 ohm-cm. The combined solar cell module as described in item 1 of the scope of patent application, wherein the magnetic material includes one of ferrite, neodymium iron boron, alnico alloy, iron chromium cobalt alloy, samarium cobalt, samarium iron nitrogen By. As for the combined solar cell module described in item 1 of the patent application, when the first connecting members are made of magnetic material, the first connecting members further include a conductive layer covering the magnetic material. As for the combined solar cell module described in item 1 of the scope of patent application, when the second connecting elements are made of magnetic material, the second connecting elements further include a conductive layer covering the magnetic material. For the combined solar cell module described in claim 1, wherein the at least one solar cell module is a plurality, and the first connecting portions of the at least one solar cell module are connected to another The second connecting portions of at least one solar cell module are connected.

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