Indium-containing low-temperature welding strip

Abstract

The utility model provides an indium-containing low-temperature welding strip which comprises a body, the body comprises a base layer, an insulating layer is arranged on the surface of the base layer, a wear-resistant layer is arranged on one side of the insulating layer, and a reflective layer is arranged on the surface of the wear-resistant layer. According to the indium-containing low-temperature welding strip provided by the utility model, the wear resistance of the body is improved through the wear-resistant layer, so that the body is protected, and the situations that the body is worn and the body leaks electricity and the like when the body is guided or conveyed through a conveying roller during production are prevented, and meanwhile, the light reflecting layer is arranged on the non-welding surface of the body; according to the solar cell module, the reflection of the body is increased, the light receiving density of the cell is further improved, the output power of the module is improved, the reinforcing wires are arranged in the body and used for preventing breakage when the body is bent, folded or pulled, the pulling resistance of the body is improved, and meanwhile the stability during working can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of low-temperature soldering strips, in particular to a low-temperature soldering strip containing indium. 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] Low-temperature welding tapes are now used to connect the photovoltaic module cells, but now the welding of low-temperature welding tapes is carried out by mechanized automatic production. During automatic production welding, conveyor rollers are used to guide and convey the low-temperature welding tapes, which causes friction between the low-temperature welding tapes and the conveyor rollers, resulting in wear of the low-temperature welding tapes, reduced conductive and charging effects, or leakage.

[0004] Therefore, it is necessary to provide an indium-containing low-temperature solder strip to solve the above technical problems. Utility Model Content

[0005] The utility model provides an indium-containing low-temperature welding belt, which solves the problem that during current automatic production welding, the low-temperature welding belt is guided and conveyed by using a conveying roller, thereby causing friction and wear between the low-temperature welding belt and the conveying roller.

[0006] In order to solve the above technical problems, the utility model provides an indium-containing low-temperature solder strip, comprising:

[0007] A body, the body comprising a base layer;

[0008] An insulating layer, the insulating layer is arranged on the surface of the base layer, a wear-resistant layer is arranged on one side of the insulating layer, and a reflective layer is arranged on the surface of the wear-resistant layer;

[0009] The mounting groove is arranged inside the main body, the mounting groove is opened inside the main body, and a reinforcing wire is fixedly connected inside the mounting groove.

[0010] Preferably, the insulating layer is an insulating film, and the reflective layer is a low-melting-point metal reflective layer.

[0011] Preferably, the wear-resistant layer is a mesh woven from glass fibers.

[0012] Preferably, a rotating roller is provided on the surface of the main body, and a reset groove is provided inside the rotating roller.

[0013] Preferably, a reset block is slidably connected inside the reset groove, and a reset spring is arranged on the top of the reset block and inside the reset groove.

[0014] Preferably, a pressing plate is fixedly connected to one side of the reset block, and a positioning roller is rotatably connected to one side of the pressing plate.

[0015] Preferably, one side of the pressing plate is rotatably connected to a limiting roller.

[0016] Compared with the related art, the indium-containing low-temperature solder strip provided by the utility model has the following beneficial effects:

[0017] The utility model provides an indium-containing low-temperature welding belt, which increases the wear resistance of a main body through a wear-resistant layer, thereby protecting the main body to prevent the main body from being worn when guided or transported by conveying rollers during production, causing leakage of the main body, etc. At the same time, a reflective layer is arranged on the non-welding surface of the main body to increase the reflection of the main body, thereby further improving the light receiving density of the battery cell and the output power of the component. A plurality of reinforcing wires are arranged inside the main body to prevent the main body from breaking when it is bent, folded or pulled, thereby increasing the tensile resistance of the main body and ensuring stability during work. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a preferred embodiment of an indium-containing low-temperature soldering strip provided by the utility model;

[0019] Figure 2 for Figure 1 The structural diagram of the main body shown;

[0020] Figure 3 for Figure 1 An enlarged schematic diagram of part A is shown;

[0021] Figure 4 A schematic structural diagram of a preferred embodiment of an indium-containing low-temperature soldering strip provided by the utility model;

[0022] Figure 5 for Figure 4 The structural schematic diagram of the reset groove shown;

[0023] Figure 6 for Figure 4 An enlarged schematic diagram of part B is shown.

[0024] Numbers in the figure: 1, main body, 2, mounting groove, 3, reinforcement wire, 4, base layer, 5, insulation layer, 6, wear-resistant layer, 7, reflective layer, 8, rotating roller, 9, reset groove, 91, reset block, 92, reset spring, 93, pressing plate, 10, positioning roller, 11, limiting roller. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0026] First embodiment

[0027] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of an indium-containing low-temperature soldering strip provided by the utility model; Figure 2 for Figure 1 The structural diagram of the main body shown; Figure 3 for Figure 1 An enlarged schematic diagram of part A is shown. A low-temperature solder strip containing indium, comprising:

[0028] A body 1, wherein the body 1 comprises a base layer 4;

[0029] An insulating layer 5, wherein the insulating layer 5 is disposed on the surface of the base layer 4, a wear-resistant layer 6 is disposed on one side of the insulating layer 5, and a reflective layer 7 is disposed on the surface of the wear-resistant layer 6;

[0030] The mounting groove 2 is arranged inside the body 1 . The mounting groove 2 is opened inside the body 1 . A reinforcing wire 3 is fixedly connected inside the mounting groove 2 .

[0031] A plurality of mounting grooves 2 are provided inside the main body 1, and a reinforcing wire 3 is fixedly connected inside each of the plurality of mounting grooves 2 to prevent the main body 1 from breaking when being bent, folded or pulled, thereby increasing the tensile resistance of the main body 1 while ensuring stability during operation. The reinforcing wire 3 is a copper wire.

[0032] The base layer 4 is a welding strip, and insulating layers 5 are provided on the top and bottom of the base layer 4 . A wear-resistant layer 6 is provided on one side of the two insulating layers 5 . A reflective layer 7 is provided on one side of the wear-resistant layer 6 on the non-welding surface of the base layer 4 .

[0033] The insulating layer 5 is an insulating film, and the reflective layer 7 is a low melting point metal reflective layer.

[0034] The insulating layer 5 is an insulating film, which provides insulation protection for the main body 1, greatly improves the safety performance of the welding strip, and avoids leakage and short circuit.

[0035] The reflective layer 7 is used to increase the reflection of the body 1, thereby further improving the light receiving density of the cell and increasing the output power of the component.

[0036] The wear-resistant layer 6 is a mesh woven from glass fibers.

[0037] The wear-resistant layer 6 is used to protect the main body 1 to prevent the main body 1 from being worn when being guided or transported by conveying rollers during production, thereby preventing the main body 1 from leaking electricity.

[0038] Compared with the related art, the indium-containing low-temperature solder strip provided by the utility model has the following beneficial effects:

[0039] The utility model provides an indium-containing low-temperature welding belt, which increases the wear resistance of the main body 1 through a wear-resistant layer 6, thereby protecting the main body 1 to prevent the main body 1 from being worn when guided or transported by a conveying roller during production, causing leakage of the main body 1, and at the same time, a reflective layer 7 is arranged on the non-welding surface of the main body 1 to increase the reflection of the main body 1, thereby further improving the light receiving density of the battery cell and the output power of the component. A plurality of reinforcing wires 3 are arranged inside the main body 1 to prevent the main body 1 from breaking when it is bent, folded or pulled, thereby increasing the tensile resistance of the main body 1 and ensuring stability during work.

[0040] Second embodiment

[0041] Please refer to Figure 4 , Figure 5 and Figure 6 Based on the indium-containing low-temperature solder strip provided in the first embodiment of the present application, the second embodiment of the present application provides another indium-containing low-temperature solder strip. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0042] Specifically, the difference of the indium-containing low-temperature solder strip provided in the second embodiment of the present application is that, in the indium-containing low-temperature solder strip, a rotating roller 8 is provided on the surface of the main body 1 , and a reset groove 9 is opened inside the rotating roller 8 .

[0043] A reset block 91 is slidably connected inside the reset groove 9 , and a reset spring 92 is arranged on the top of the reset block 91 and inside the reset groove 9 .

[0044] The rotating roller 8 includes two positioning plates and a rotating rod. One side of the two positioning plates is rotatably connected to the two ends of the rotating rod. The body 1 is wrapped around the surface of the rotating rod to drive the rotating rod to rotate to one side when the body 1 is pulled to one side.

[0045] A reset groove 9 is provided inside the two positioning plates, and a reset block 91 is slidably connected inside the two reset grooves 9. A reset spring 92 is provided on the top of the two reset blocks 91 and inside the two reset grooves 9. One side of the two reset blocks 91 is fixedly connected to the two sides of the pressing plate 93 respectively, so that when the main body 1 moves to one side, the thickness of the bottom of the main body 1 wrapped around the rotating roller 8 is reduced, so that the two reset springs 92 push the two reset blocks 91 to move downward inside the two reset grooves 9 respectively. When the two reset blocks 91 move downward, the pressing plate 93 is driven to move downward to continuously press the surface of the main body 1.

[0046] A pressing plate 93 is fixedly connected to one side of the reset block 91 , and a positioning roller 10 is rotatably connected to one side of the pressing plate 93 .

[0047] The pressing plate 93 is used to press the surface of the main body 1 inside the rotating roller 8 to prevent the main body 1 from loosening.

[0048] The pressing plate 93 is a U-shaped plate, and both sides of the inner wall of the U-shaped plate are rotatably connected to the two ends of the positioning roller 10 and the limiting roller 11 through a rotating shaft, so that the positioning roller 10 and the limiting roller 11 drive the positioning roller 10 and the limiting roller 11 to move to one side when the main body 1 is pulled to one side.

[0049] The positioning roller 10 and the limiting roller 11 are used to fix one end of the body 1 .

[0050] One side of the pressing plate 93 is rotatably connected to the limiting roller 11 .

[0051] The working principle of the low-temperature indium solder strip provided by the utility model is as follows:

[0052] When in use, one end of the main body 1 is pulled to one side, so that when it moves to one side between the positioning roller 10 and the limiting roller 11, the positioning roller 10 and the limiting roller 11 are driven to rotate to one side. At the same time, when the main body 1 moves to one side, the rotating roller 8 is driven to rotate to one side.

[0053] When the main body 1 moves to one side, the thickness of the bottom of the main body 1 wrapped around the rotating roller 8 is reduced, so that the two reset springs 92 push the two reset blocks 91 to move downward inside the two reset grooves 9 respectively. When the two reset blocks 91 move downward, they drive the pressing plate 93 to move downward, continuously pressing the surface of the main body 1, thereby preventing the main body 1 from loosening.

[0054] Compared with the related art, the indium-containing low-temperature solder strip provided by the utility model has the following beneficial effects:

[0055] The utility model provides an indium-containing low-temperature welding strip, which pushes a reset block 91 connected to a pressing plate 93 to move to one side through a reset spring 92, presses a main body 1 inside a rotating roller 8, and limits one end of the main body 1 through a positioning roller 10 and a limiting roller 11, thereby preventing the main body 1 inside the rotating roller 8 from becoming loose after the main body 1 is cut off during manual welding, which is inconvenient for later storage and use.

[0056] 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 low-temperature indium-containing solder strip, characterized in that: include: A body, the body comprising a base layer; An insulating layer, the insulating layer is arranged on the surface of the base layer, a wear-resistant layer is arranged on one side of the insulating layer, and a reflective layer is arranged on the surface of the wear-resistant layer; The mounting groove is arranged inside the main body, the mounting groove is opened inside the main body, and a reinforcing wire is fixedly connected inside the mounting groove.

2. The indium-containing low-temperature solder strip according to claim 1, characterized in that: The insulating layer is an insulating film, and the reflective layer is a low-melting-point metal reflective layer.

3. The indium-containing low-temperature solder strip according to claim 1, characterized in that: The wear-resistant layer is a mesh woven from glass fibers.

4. The indium-containing low-temperature solder strip according to claim 1, characterized in that: A rotating roller is arranged on the surface of the body, and a reset groove is arranged inside the rotating roller.

5. The indium-containing low-temperature solder strip according to claim 4, characterized in that: A reset block is slidably connected inside the reset groove, and a reset spring is arranged on the top of the reset block and inside the reset groove.

6. The indium-containing low-temperature solder strip according to claim 5, characterized in that: One side of the reset block is fixedly connected with a pressing plate, and one side of the pressing plate is rotatably connected with a positioning roller.

7. The indium-containing low-temperature solder strip according to claim 6, characterized in that: One side of the pressing plate is rotatably connected to a limiting roller.

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