CN213752730U - Solder strip and photovoltaic module - Google Patents
Solder strip and photovoltaic module Download PDFInfo
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- CN213752730U CN213752730U CN202022812435.XU CN202022812435U CN213752730U CN 213752730 U CN213752730 U CN 213752730U CN 202022812435 U CN202022812435 U CN 202022812435U CN 213752730 U CN213752730 U CN 213752730U
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- solder
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model provides a solder strip and photovoltaic module, solder strip for photovoltaic module, include: a solder structure and a plurality of solder ribbon cores; the welding structure comprises a plurality of welding sections and connecting sections which are alternately arranged, and one welding strip core body is coated in one welding section. Because the welding strip core body is not coated in the connecting section, the connecting section is soft in texture, and under the condition that the connecting section is in contact with the battery piece, the stress of the connecting section acting on the battery piece is small, so that the battery piece can be prevented from being damaged or hidden cracked to a certain extent.
Description
Technical Field
The utility model relates to a photovoltaic module technical field especially relates to a solder strip and photovoltaic module.
Background
With the rapid development and application of solar technology, photovoltaic modules are widely used in the industry of solar technology as a photoelectric conversion device. The photovoltaic module is generally formed by connecting a plurality of battery pieces, and the battery pieces can be connected by welding photovoltaic welding strips.
In the prior art, photovoltaic solder ribbons typically include a copper core, which is typically tin plated or tin coated. Due to the fact that the copper core is made of hard materials, the photovoltaic welding strip is correspondingly hard, and under the condition that the photovoltaic welding strip is used for welding the two battery pieces, the photovoltaic welding strip is easily contacted with the edges of the battery pieces, and the risks of breakage and hidden cracking of the edges of the battery pieces are caused.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made in order to provide a solder strip and a photovoltaic module that overcome or at least partially solve the above problems.
In order to solve the above problem, the first aspect of the present invention discloses a solder strip for a photovoltaic module, including: a solder structure and a plurality of solder ribbon cores; wherein the content of the first and second substances,
the welding flux structure comprises a plurality of welding sections and connecting sections which are alternately arranged, and one welding strip core body is covered in one welding section.
Optionally, the solder structure is a flexible conductive member, and the solder ribbon core is a copper core.
Optionally, the flexible conductive member is a tin-lead solder.
Optionally, the solder structure has a hardness less than a hardness of the solder ribbon core.
Optionally, the connecting section and the welding section are of a unitary structure.
Optionally, the connecting segment is bonded to the welding segment.
Optionally, the height of the connecting section is lower than the height of the welding section.
Optionally, the height of the connecting section is less than half of the height of the soldering section.
In a second aspect, the utility model also discloses a photovoltaic module, include: a plurality of battery pieces and the solder strip;
the welding strip is connected with the battery piece and used for connecting the battery piece.
Optionally, the welding section of the welding strip is connected with the battery pieces, and the connecting section of the welding strip is located between two adjacent battery pieces and respectively connected with the two adjacent battery pieces.
The utility model discloses a following advantage:
the utility model discloses in, under the condition that the solder strip is used for photovoltaic module, the welding section can connect in on the battery piece, make the cladding in the welding section the solder strip core can collect the electric current. The connecting section may be located between two adjacent battery pieces and used for connecting the two adjacent battery pieces. Because the welding strip core body is not coated in the connecting section, the connecting section is soft in texture, and under the condition that the connecting section is in contact with the battery piece, the stress of the connecting section acting on the battery piece is small, so that the battery piece can be prevented from being damaged or hidden cracked to a certain extent.
Drawings
FIG. 1 is a first schematic structural view of a solder strip of the present invention;
fig. 2 is a first schematic structural diagram of a photovoltaic module according to the present invention;
FIG. 3 is a schematic structural diagram of a solder strip of the present invention;
fig. 4 is a schematic structural diagram of a photovoltaic module according to the present invention;
description of the drawings:
1-solder strip, 11-solder structure, 111-solder segment, 112-connecting segment, 12-solder strip core body and 2-battery piece.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, showing the utility model discloses a structural schematic diagram of welding area is one, referring to fig. 2, showing the utility model discloses a photovoltaic module's structural schematic diagram is one, as shown in fig. 1, the utility model discloses a welding area 1 can be used for photovoltaic module, specifically can include: a solder structure 11 and a plurality of solder ribbon cores 12; the solder structure 11 may include a plurality of soldering segments 111 and connecting segments 112 alternately arranged, and one soldering segment 111 may be covered with one solder ribbon core 12.
In the embodiment of the utility model provides an in, under the condition that solder strip 1 is used for photovoltaic module, as shown in fig. 2, welding section 111 is connected on battery piece 2 for the cladding can collect the electric current in welding section 111 interior solder strip core 12. The connection segment 112 may be located between two adjacent battery cells 2 and used to connect the two adjacent battery cells 2. Because the solder strip core body 12 is not coated in the connecting section 112, the connecting section 112 has a soft texture, and under the condition that the connecting section 112 is in contact with the battery piece 2, the stress applied to the battery piece 2 by the connecting section 112 is small, so that the battery piece 2 can be prevented from being damaged or hidden cracked to a certain extent.
As shown in fig. 2, the welding segment 111 is attached to the surface of the battery cell 2 so that the solder ribbon core 12 wrapped in the welding segment 111 can collect current. Specifically, two adjacent welding segments 111 are respectively connected to two adjacent battery pieces 2, one welding segment 111 is connected to the upper surface of one battery piece 2, and the other welding segment 111 is connected to the lower surface of the other battery piece 2, so that the connection segment 112 disposed between the two adjacent welding segments 111 is located between the two adjacent battery pieces 2 and is respectively connected with the two battery pieces 2, and the two battery pieces 2 can be fixed together.
Specifically, one welding section 111 is connected to the upper surface of one battery piece 2, the other welding section 111 is connected to the lower surface of the other battery piece 2, the connecting section 112 may be bent, so that two ends of the connecting section 112 are respectively connected with the two welding sections 111, and the connecting section 112 may be located between the two battery pieces 2 for connecting the two adjacent battery pieces 2. In practical application, the bent region of the connecting section 112 is easy to contact with the edge region of the battery piece 2, and since the connecting section 112 is not covered with the solder strip core 12, the connecting section 112 is soft, and under the condition that the connecting section 112 is in contact with the edge region of the battery piece 2, the stress applied to the battery piece 2 by the connecting section 112 is small, so that the edge region of the battery piece 2 can be prevented from being damaged or subfissure to a certain extent.
Specifically, under the condition that the connecting section 112 is bent to be perpendicular to the welding section 111, the connecting section 112 is attached to the two adjacent battery pieces 2 more tightly, so that the connecting effect of the two adjacent battery pieces 2 is better.
Alternatively, the solder structure 11 may be a flexible conductive member and the solder ribbon core 12 may be a copper core. Due to the fact that the flexibility of the solder structure 11 is good, under the condition that the solder structure 11 is in contact with the battery piece 12, the tensile stress between the battery pieces 2 can be effectively reduced, and the battery pieces 2 are prevented from being damaged or subfissure. Moreover, the solder structure 11 has conductivity, so that the electrical connection between the cell pieces 2 can be realized, and thus, the photovoltaic module formed by connecting a plurality of cell pieces 2 can play a better role in the solar power generation process. The welding strip core body 12 adopts a copper core, so that the quality of the welding strip 1 is better, and the conductive electricity gathering effect is better.
Specifically, the structure and material of the flexible conductive member are not limited as long as the flexible conductive member is capable of conducting electricity. For example, the flexible conductive member may have a sheet-state structure or a mesh-like structure. For example, the flexible conductive member may be a solder of tin and lead, a flexible conductive tape, a conductive cloth, or the like.
Alternatively, the flexible conductive member may be a solder of tin and lead. In practical application, the tin-lead solder has safer material components, softer texture and better conductivity, and the flexible conductive piece adopts a tin-lead welding piece, so that the solder structure 11 has better flexibility and better conductivity, the welding performance of the solder structure 11 can be improved, and the quality of the welding strip 1 can be improved.
In an alternative embodiment of the present invention, the hardness of the solder structure 11 may be less than the hardness of the solder ribbon core 12. In practical application, the connecting section 112 of the solder structure 11 is used for connecting two adjacent battery pieces 2, and since the solder ribbon core 12 is not covered in the connecting section 112 and the hardness of the solder structure 11 is less than that of the solder ribbon core 12, the phenomenon that the battery pieces 2 are damaged or hidden cracked due to large stress applied to the battery pieces 2 by the connecting section 112 can be avoided.
As shown in fig. 1 and 2, the connecting section 112 and the welding section 111 may be of a unitary structure. In practical application, the connecting section 112 and the welding section 111 are of an integrated structure, so that the processing process of the welding strip 1 is simple, and the welding strip 1 is of an integrated structure, so that the quality of the welding strip 1 can be improved.
Specifically, the plurality of solder ribbon cores 12 may be arranged at intervals, then the solder is coated on the surfaces of the solder ribbon cores 12, and the gap between two adjacent solder ribbon cores 12 is filled to form a complete solder structure 11, so that the connecting section 112 and the soldering section 111 are integrated into a single structure, and the solder ribbon 1 with the single structure is obtained.
Referring to fig. 3, a second structural schematic diagram of a solder strip of the present invention is shown, referring to fig. 4, showing a second structural schematic diagram of a photovoltaic module of the present invention, as shown in fig. 3 and 4, the connecting section 112 can be bonded to the soldering section 111. In practical application, the connecting section 112 is adhered to the welding section 111, the connecting section 112 and the welding section 111 may be of a segmented structure, and the welding strip 1 may be formed by alternately connecting a plurality of connecting sections 112 and a plurality of welding sections 111, so that the connecting section 112 and the welding section 111 may be connected to the battery piece 2, respectively, for facilitating user operation.
Specifically, the solder may be coated outside the plurality of solder ribbon cores 12 to obtain a plurality of solder segments 111 coated on the solder ribbon cores 12; then, the plurality of welding segments 111 are arranged at intervals, and the connecting segments 112 are respectively bonded between two adjacent welding segments 111, so that the segmented welding strip 1 is obtained. In practical applications, the connecting segment 112 may be a conductive tape, and two ends of the conductive tape may be respectively adhered to two adjacent soldering segments 111.
In an alternative embodiment of the present invention, the height of the connecting section 112 may be lower than the height of the welding section 111. In practical application, the height of the welding section 111 is lower, and when the connecting section 112 is located between two adjacent battery plates 2 and is used for connecting the two battery plates 2, the thickness of the connecting section 112 is thinner, so that the stress acting on the two battery plates 2 is smaller, and the battery plates 2 can be prevented from being damaged or subfissured.
Specifically, the height of the solder segment 111 includes the sum of the thickness of the solder segment 111 and the thickness of the solder ribbon core 12. The height of the connecting segment 112 is the thickness of the connecting segment 112.
Alternatively, the height of the connecting section 112 may be less than half of the height of the soldering section 111. In practical application, the height of the connecting section 112 is lower than half of the height of the welding section 111, so that the thickness of the connecting section 112 can be further reduced, the stress on the battery piece 2 is further reduced, and the risk of breakage or hidden cracking of the battery piece 2 is reduced.
The embodiment of the utility model discloses weld and take at least includes following advantage:
in the embodiment of the utility model provides an in, under the condition that the solder strip is used for photovoltaic module, the welding section can connect in on the battery piece, make the cladding in the welding section the solder strip core can collect the electric current. The connecting section may be located between two adjacent battery pieces and used for connecting the two adjacent battery pieces. Because the welding strip core body is not coated in the connecting section, the connecting section is soft in texture, and under the condition that the connecting section is in contact with the battery piece, the stress of the connecting section acting on the battery piece is small, so that the battery piece can be prevented from being damaged or hidden cracked to a certain extent.
The utility model also discloses a photovoltaic module specifically can include: a plurality of battery pieces 2 and a solder strip 1; the solder strip 1 may be connected with the battery piece 2 for connecting the battery piece 2. In practical application, the solder strip 1 can be soldered to the battery plate 2.
Alternatively, the welding section 111 of the welding strip 1 may be connected with the battery pieces 2, and the connection section 112 of the welding strip 1 may be located between two adjacent battery pieces 2 and respectively connect the two adjacent battery pieces 2.
In the embodiment of the present invention, the welding section 111 of the welding strip 1 is connected to the battery plate 2, so that the current can be collected by the welding strip core 12 wrapped in the welding section 111. The connecting section 112 of the solder strip 1 is located between two adjacent battery slices 2 and respectively connects two adjacent battery slices 2, and can be used for electrically connecting two adjacent battery slices 2.
Specifically, two adjacent welding sections 111 are respectively welded and connected to two adjacent battery pieces 2, one welding section 111 is welded and connected to the upper surface of one battery piece 2, and the other welding section 111 is welded and connected to the lower surface of the other battery piece 2, so that the connecting section 112 disposed between the two adjacent welding sections 111 is located between the two adjacent battery pieces 2 and is respectively connected with the two battery pieces 2, and the two battery pieces 2 can be welded and fixed together.
The embodiment of the utility model discloses photovoltaic module includes following advantage at least:
in the embodiment of the utility model provides an in, under the condition that the solder strip is used for photovoltaic module, the welding section can connect in on the battery piece, make the cladding in the welding section the solder strip core can collect the electric current. The connecting section may be located between two adjacent battery pieces and used for connecting the two adjacent battery pieces. Because the welding strip core body is not coated in the connecting section, the connecting section is soft in texture, and under the condition that the connecting section is in contact with the battery piece, the stress of the connecting section acting on the battery piece is small, so that the battery piece can be prevented from being damaged or hidden cracked to a certain extent.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The solder strip and the photovoltaic module provided by the present invention are introduced in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the descriptions of the above examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A solder strip for a photovoltaic module, comprising: a solder structure and a plurality of solder ribbon cores; wherein the content of the first and second substances,
the welding flux structure comprises a plurality of welding sections and connecting sections which are alternately arranged, and one welding strip core body is covered in one welding section.
2. The solder ribbon of claim 1, wherein the solder structure is a flexible conductive member and the solder ribbon core is a copper core.
3. The solder strip of claim 2, wherein said flexible conductive member is a solder of tin-lead.
4. The solder ribbon of claim 1, wherein the solder structure has a hardness less than a hardness of the solder ribbon core.
5. The weld strip of claim 1, wherein the connecting segment and the welding segment are of unitary construction.
6. Solder strip according to claim 1, characterized in that the connecting section is glued to the soldering section.
7. Solder strip according to claim 1, characterized in that the height of the connecting section is lower than the height of the soldering section.
8. Solder strip according to claim 7, characterized in that the height of the connecting section is less than half the height of the soldering section.
9. A photovoltaic module, comprising: a plurality of battery pieces and the solder strip of any one of claims 1-8;
the welding strip is connected with the battery piece and used for connecting the battery piece.
10. The photovoltaic module according to claim 9, wherein the solder sections of the solder ribbons are connected to the battery pieces, and the connecting sections of the solder ribbons are located between and respectively connect two adjacent battery pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812435.XU CN213752730U (en) | 2020-11-27 | 2020-11-27 | Solder strip and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812435.XU CN213752730U (en) | 2020-11-27 | 2020-11-27 | Solder strip and photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213752730U true CN213752730U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022812435.XU Active CN213752730U (en) | 2020-11-27 | 2020-11-27 | Solder strip and photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213752730U (en) |
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2020
- 2020-11-27 CN CN202022812435.XU patent/CN213752730U/en active Active
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