High-strength BC tin-plated solder strip valve

Abstract

The utility model provides a high-strength BC tin-coated welding strip. The high-strength BC tin-plated solder strip comprises a lower solder strip and a lower solder strip, the reinforcing layer is arranged at the top of the lower welding strip through an insulating layer, a row of penetrating openings are formed in the top of the reinforcing layer, insulating rings are arranged in the penetrating openings, and a plurality of reinforcing pieces are fixedly connected to the front face and the back face of the reinforcing layer; and the multiple connecting blocks are fixedly connected to the top of the lower welding strip, and an upper welding strip is arranged on the tops of the connecting blocks. According to the high-strength BC tin-plated solder strip, the reinforcing pieces are arranged on the two sides of the strengthening layer, the reinforcing pieces are fixed through the fixing bolts after welding is completed, the strength and the tensile property of the BC tin-plated solder strip can be improved through the structure, and the possibility of desoldering or deformation or damage caused by stress can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of high-strength BC tin-coated solder strips, in particular to a high-strength BC tin-coated solder strip. Background Art

[0002] Photovoltaic welding ribbon, also known as tinned copper ribbon or tin-coated copper ribbon, is divided into busbars and interconnection strips. It is used to connect the cells of photovoltaic modules and plays an important role in conducting electricity.

[0003] In the battery field, BC tin-coated solder strips are used to weld batteries by heating and melting low-melting-point metal solder, which then penetrates and fills the gaps at the joints of metal parts.

[0004] However, the strength of the BC tin-coated solder strip itself is limited. After welding, the BC tin-coated solder strip is easily deformed or damaged due to the force, which affects the normal transmission of electricity.

[0005] Therefore, it is necessary to provide a high-strength BC tin-coated solder strip to solve the above technical problems. Utility Model Content

[0006] The utility model provides a high-strength BC tin-coated solder strip, which solves the problem that the BC tin-coated solder strip has limited strength and is easily deformed or damaged after being subjected to force, affecting normal use.

[0007] In order to solve the above technical problems, the utility model provides a high-strength BC tin-coated solder strip comprising: a lower solder strip;

[0008] A strengthening layer, wherein the strengthening layer is arranged on the top of the lower welding strip through an insulating layer, a row of through openings are provided on the top of the strengthening layer, and insulating rings are provided inside the through openings, and a plurality of reinforcing sheets are fixedly connected to the front and back sides of the strengthening layer;

[0009] A plurality of connection blocks are fixedly connected to the top of the lower welding strip, and an upper welding strip is arranged on the top of the connection block.

[0010] The connecting block is inserted into the through-hole and contacts the inner surface of the insulating ring. The bottom of the upper welding strip and the strengthening layer are also separated by an insulating layer. The lower welding strip and the upper welding strip are both BC tin-coated welding strips, and the two are connected together by the existing BC tin-coated welding method.

[0011] Preferably, penetrating heat dissipation holes are opened on both sides of the strengthening layer, and the strengthening layer can be made of high-strength steel sheet.

[0012] The strengthening layer is thin and has a certain toughness, and the heat dissipation holes are convenient for heat dissipation.

[0013] Preferably, the insulating layer may be an organic insulating material or an inorganic insulating material.

[0014] Organic insulating materials are mainly composed of various organic compounds such as polyester, polyetheretherketone, vinyl chloride, polyurethane and vinyl nitrile ethylene copolymer.

[0015] Preferably, side welding strips are provided on the front and back sides of the strengthening layer.

[0016] The side welding strip is located between the upper welding strip and the lower welding strip.

[0017] Preferably, the through-hole is a square hole, and the connecting block is a square block that can pass through the through-hole.

[0018] Preferably, a fixing hole is provided on the top of each of the reinforcing sheets, and an insulating ring is provided on the inner surface of each of the fixing holes.

[0019] When the reinforcing plate needs to be fixed, the bolts pass through the inner surface of the insulating ring.

[0020] Compared with the related art, the high-strength BC tin-coated solder strip provided by the utility model has the following beneficial effects:

[0021] The utility model provides a high-strength BC tin-coated solder strip. In order to increase the strength of the BC tin-coated solder strip, the BC tin-coated solder strip is divided into an upper solder strip and a lower solder strip, and the upper solder strip and the lower solder strip are connected through a connecting block, and a reinforcement layer is installed between the upper solder strip and the lower solder strip, and a through opening for allowing the connecting block to pass through is opened on the reinforcement layer, and the reinforcement layer is separated from the upper solder strip and the lower solder strip by an insulating layer, and the through opening and the connecting block are separated by an insulating ring. In order to increase the strength after welding, reinforcement plates are arranged on both sides of the reinforcement layer, and the reinforcement plates are fixed by fixing bolts after welding is completed. Through this structure, the strength and tensile properties of the BC tin-coated solder strip can be increased, and the possibility of welding desoldering or deformation or damage due to force can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic structural diagram of a preferred embodiment of the high-strength BC tin-coated solder strip provided by the utility model;

[0023] Figure 2 A structural schematic diagram of a lower welding strip is provided for the utility model;

[0024] Figure 3 Provided for the utility model Figure 2 An enlarged view of point A is shown;

[0025] Figure 4 Provided for the utility model Figure 2 An enlarged view of point B is shown;

[0026] Figure 5 The utility model provides a structural schematic diagram of an insulating ring.

[0027] Numbers in the figure: 1. lower welding strip, 2. strengthening layer, 3. insulating layer, 4. upper welding strip, 5. reinforcement plate, 6. fixing hole, 7. side welding strip, 8. through-hole, 9. insulating ring, 10. heat dissipation hole, 11. connecting block, 12. insulating ring. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0029] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of the high-strength BC tin-coated solder strip provided by the utility model; Figure 2 A structural schematic diagram of a lower welding strip is provided for the utility model; Figure 3 Provided for the utility model Figure 2 An enlarged view of point A is shown; Figure 4 Provided for the utility model Figure 2 An enlarged view of point B is shown; Figure 5 The utility model provides a structural schematic diagram of an insulating ring. The high-strength BC tin-coated solder strip comprises: a lower solder strip 1;

[0030] A strengthening layer 2, wherein the strengthening layer 2 is arranged on the top of the lower welding strip 1 through an insulating layer 3, a row of through openings 8 are provided on the top of the strengthening layer 2, and insulating rings 9 are provided inside the through openings 8, and a plurality of reinforcing sheets 5 are fixedly connected to the front and back sides of the strengthening layer 2;

[0031] A plurality of connection blocks 11 are fixedly connected to the top of the lower welding strip 1 , and an upper welding strip 4 is arranged on the top of the connection blocks 11 .

[0032] The connecting block 11 is inserted into the through-opening 8 and contacts the inner surface of the insulating ring 9. The bottom of the upper welding strip 4 and the strengthening layer 2 are also separated by the insulating layer 3. The lower welding strip 1 and the upper welding strip 4 are both BC tin-coated welding strips, and the two are connected together by the existing BC tin-coated welding method. The insulating layer 3 separates the strengthening layer 2 from the upper welding strip 4 and the lower welding strip 1.

[0033] Penetrating heat dissipation holes 10 are provided on both sides of the strengthening layer 2 , and the strengthening layer 2 may be made of a high-strength steel sheet.

[0034] The strengthening layer 2 is relatively thin and has a certain toughness, and the heat dissipation holes 10 are convenient for heat dissipation.

[0035] The insulating layer 3 may be made of an organic insulating material or an inorganic insulating material.

[0036] Organic insulating materials are mainly composed of various organic compounds such as polyester, polyetheretherketone, vinyl chloride, polyurethane and vinyl nitrile ethylene copolymer. Inorganic insulating materials mainly include glass, enamel, aluminum oxide iron mixed multilayer insulation, etc.

[0037] Side welding strips 7 are provided on the front and back sides of the strengthening layer 2 .

[0038] The side welding strip 7 is located between the upper welding strip 4 and the lower welding strip 1 , and a hole is provided on the front side of the side welding strip 7 for the reinforcement sheet 5 to pass through.

[0039] The through-hole 8 is a square hole, and the connecting block 11 is a square block that can pass through the through-hole 8 .

[0040] The material of the connection block 11 is the same as that of the upper welding strip 4 and the lower welding strip 1 .

[0041] The top of each of the reinforcing plates 5 is provided with a fixing hole 6 , and the inner surface of each of the fixing holes 6 is provided with an insulating ring 12 .

[0042] When the reinforcing sheet 5 needs to be fixed, the bolts pass through the inner surface of the insulating ring 12 , and the insulating ring 12 may be made of rubber.

[0043] The working principle of the high-strength BC tin-coated solder strip provided by the utility model is as follows:

[0044] The BC tin-coated solder strip is divided into an upper solder strip 4 and a lower solder strip 1, and the upper solder strip 4 and the lower solder strip 1 are connected by a connecting block 11, and a strengthening layer 2 is installed between the upper solder strip 4 and the lower solder strip 1, and a through hole 8 is opened on the strengthening layer 2 for the connecting block 11 to pass through, and the strengthening layer 2 is separated from the upper solder strip 4 and the lower solder strip 1 by an insulating layer 3, and the through hole 8 and the connecting block 11 are separated by an insulating ring 9. In order to increase the strength after welding, reinforcing plates 5 are arranged on both sides of the strengthening layer 2, and the reinforcing plates 5 are fixed by fixing bolts after welding is completed.

[0045] Compared with the related art, the high-strength BC tin-coated solder strip provided by the utility model has the following beneficial effects:

[0046] In order to increase the strength of the BC tin-coated solder strip, the BC tin-coated solder strip is divided into an upper solder strip 4 and a lower solder strip 1, and the upper solder strip 4 and the lower solder strip 1 are connected through a connecting block 11, and a strengthening layer 2 is installed between the upper solder strip 4 and the lower solder strip 1, and a through hole 8 is opened on the strengthening layer 2 for the connecting block 11 to pass through, and the strengthening layer 2 is separated from the upper solder strip 4 and the lower solder strip 1 by an insulating layer 3, and the through hole 8 and the connecting block 11 are separated by an insulating ring 9. In order to increase the strength after welding, reinforcement plates 5 are arranged on both sides of the reinforcement layer 2, and the reinforcement plates 5 are fixed by fixing bolts after welding is completed. Through this structure, the strength and tensile properties of the BC tin-coated solder strip can be increased, and the possibility of welding desoldering or deformation or damage due to force can be reduced.

[0047] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A high-strength BC tin-coated solder strip, characterized in that: include: Lower welding strip; A strengthening layer, wherein the strengthening layer is arranged on the top of the lower welding strip through an insulating layer, a row of through openings are provided on the top of the strengthening layer, and insulating rings are provided inside the through openings, and a plurality of reinforcing sheets are fixedly connected to the front and back sides of the strengthening layer; A plurality of connection blocks are fixedly connected to the top of the lower welding strip, and an upper welding strip is arranged on the top of the connection block.

2. The high-strength BC tin-coated solder strip according to claim 1, characterized in that: Penetrating heat dissipation holes are provided on both sides of the strengthening layer, and the strengthening layer can be made of high-strength steel sheet.

3. The high-strength BC tin-coated solder strip according to claim 1, characterized in that: The insulating layer may be an organic insulating material or an inorganic insulating material.

4. The high-strength BC tin-coated solder strip according to claim 1, characterized in that: The front and back sides of the reinforcement layer are both provided with side welding strips.

5. The high-strength BC tin-coated solder strip according to claim 1, characterized in that: The through-hole is a square hole, and the connecting block is a square block that can pass through the through-hole.

6. The high-strength BC tin-coated solder strip according to claim 1, characterized in that: The top of each reinforcement sheet is provided with a fixing hole, and the inner surface of each fixing hole is provided with an insulating ring.

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