Flexible conductive clamp and cathode clamp

The design of the flexible conductive clamp solves the problem of damage to the cathode clamp of the solar cell during the electroplating process, achieving a balance between the protection of the solar cell and its conductivity, and improving the pass rate of the solar cell.

CN223592868UActive Publication Date: 2025-11-25ROBOTECO INTELLIGENT TECH NANTONG CO LTD
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Patent Information

Application Number
CN202423295943.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-25
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing cathode clamps for solar cells are prone to damaging the textured surface of the solar cells during the electroplating process, affecting the stability of the module. Furthermore, the existing materials have high hardness, making it difficult to balance corrosion resistance and conductivity.

Method used

A flexible conductive clamp is used, including a first clamp body and a second clamp body. By combining a flexible conductor with an insulating support body, the flexible material avoids contact between the battery cell and the hard conductive metal, reducing damage, and the conductor enables current conduction.

Benefits of technology

It effectively protects the textured surface of the battery cells, improves the yield rate of the battery cells, avoids damage during the electroplating process, and ensures conductivity. The structure is simple and reasonable.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a flexible conductive clamp, which comprises a first clamp body and a second clamp body, the first clamp body comprises a first framework, a support body and a conductor, one end of the first framework forms a connecting end, the other end of the first framework penetrates into the support body, and the first framework is made of conductive materials; the supporting body is made of an insulating flexible material; the electric conductor is arranged in the supporting body and makes contact with the first framework, the electric conductor is exposed out of the supporting body to form an electric conduction contact end, and the electric conductor is made of flexible electric conduction materials. A cathode clamp includes a flexible conductive clamp. According to the conductive clamp, the battery piece abuts against the second clamp body through the conductive body of the first clamp body, the conductive body is made of the flexible conductive material, the contact part of the conductive body and the battery piece is compressed and deformed, the battery piece is finally abutted by the supporting body, and the supporting body is made of the flexible material, so that the battery piece is not damaged. Pyramid damage in the electroplating process of the battery pieces caused by contact between the battery pieces and the hard conductive metal is avoided, and the qualified rate of the battery pieces is guaranteed. The conductive clamp is novel and simple in structure and reasonable in design.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the processing technical field of solar cell piece, concretely relates to a flexible conductive clamp and cathode clamp. BACKGROUND

[0002] At present, the copper electrode of the cell piece needs to use the electroplating production equipment in the manufacturing process, and the cathode clamp needs to be used in the electroplating process. The cathode clamp plays the role of clamping and conducting in the electroplating process, but also needs to consider the corrosion resistance.

[0003] The cathode clamp of the cell piece on the market generally adopts the metal material outer package Teflon or PVC glue, and the conductive and clamping parts are mainly made of stainless steel. Since the hardness of the metal is much higher than that of the cell piece, the metal clamp clamping will cause damage to the pyramid of the cell piece in the electroplating process, which has a great influence on the stability of the cell piece assembly. SUMMARY

[0004] An object of the utility model is to provide a flexible conductive clamp, which is suitable for clamping in the copper grid line electroplating process of the copper electrode of the solar cell piece.

[0005] To achieve the above object, the utility model adopts the technical scheme that:

[0006] A flexible conductive clamp, comprising a first clamp body and a second clamp body, a cell piece clamping area is formed between the first clamp body and the second clamp body, the first clamp body comprises a first skeleton, a support body and a conductive body,

[0007] One end of the first skeleton forms a connecting end, the other end of the first skeleton penetrates into the support body, and the first skeleton is made of conductive material;

[0008] The support body is made of insulating flexible material;

[0009] The conductive body is arranged in the support body, one end of the conductive body is in contact with the first skeleton, the other end of the conductive body is exposed from the support body to form a conductive contact end, and the conductive body is made of flexible conductive material,

[0010] When the cell piece is clamped, the support body of the first clamp body abuts the cell piece on the second clamp body, and the conductive body is in conductive contact with the cell piece.

[0011] The above technical scheme is preferably, one end of the conductive body penetrates through the first skeleton in the support body, the conductive body is in contact with the part penetrating through the first skeleton, and the conductive connection between the two is realized.

[0012] The conductive body is preferably a flexible metal wire, such as a gold wire, a silver wire, a copper wire, or the like; or a metal polymer.

[0013] The support body is preferably provided with a hole, and the conductive body is arranged or formed in the hole.

[0014] The support body is preferably gradually reduced in cross section from one end of the conductive body to the other end, and the other end of the first skeleton is inserted into the end of the support body with a larger cross section, so that the contact area between the support body and the first skeleton is increased, improving the firmness and stability of the connection between the two.

[0015] The first skeleton is preferably provided with a bending section at the portion inside the support body, so that the contact area between the first skeleton and the support body is increased, improving the firmness and stability of the connection between the two.

[0016] The first skeleton is preferably bent towards the other end of the connecting end after extending a distance away from the other end, and then extends towards the other end of the connecting end and is inserted into the support body. The bending allows the first skeleton to have a certain elasticity, and when cooperating with the second clamping body, the first clamping body can provide a certain elastic clamping force towards the second clamping body.

[0017] The second clamping body preferably comprises a second skeleton, one end of the second skeleton forms a connecting end, the other end of the second skeleton forms a conductive contact end, and the second skeleton is made of a conductive material.

[0018] Another object of the present application is to provide a cathode clamp.

[0019] To achieve the above object, the technical scheme adopted by the present application is as follows:

[0020] A cathode clamp comprises a clamp frame, a conductive clamp, the clamp frame is provided with a mounting portion, the conductive clamp is mounted on the mounting portion, the conductive clamp is a flexible conductive clamp, the first clamping body is connected to one side of the mounting portion, and the second clamping body is connected to the other side of the mounting portion.

[0021] The mounting portion is preferably provided with at least one pair, and a battery piece setting area is formed between the pair of mounting portions. The mounting portion is provided with a plurality of conductive clamps.

[0022] Thanks to the above technical scheme, the present application has the following advantages compared with the prior art:

[0023] The conductive clip of this utility model uses a conductive body in the first clip to hold the battery cell against the second clip. Because the conductive body is made of a flexible conductive material, the contact part between the conductive body and the battery cell can be compressed and deformed, so that the battery cell is finally held against the support body. Because the support body is made of a flexible material, it avoids the battery cell from contacting hard conductive metal, thus preventing pyramid damage during the battery cell electroplating process and ensuring the pass rate of the battery cell. The conductive clip has a novel, simple, and reasonable structure. Attached Figure Description

[0024] Appendix Figure 1 This is a three-dimensional schematic diagram of the conductive clip of this utility model. Figure 1 ;

[0025] Appendix Figure 2 This is a three-dimensional schematic diagram of the conductive clip of this utility model. Figure 2 ;

[0026] Appendix Figure 3 This is a three-dimensional schematic diagram of the first clamp in this utility model;

[0027] Appendix Figure 4 This is an exploded view of the first clamp in this utility model;

[0028] Appendix Figure 5 This is a side view of the first clamp in this utility model;

[0029] Appendix Figure 6 For the appendix Figure 5 Schematic diagram of the AA section;

[0030] Appendix Figure 7 This is a three-dimensional schematic diagram of the cathode clamp in this utility model;

[0031] Appendix Figure 8 This is a schematic diagram showing the usage state of the cathode clamp in this utility model.

[0032] In the attached diagrams above:

[0033] 1. First clamping body; 10. First frame; 100. Connecting end; 1000. Connecting hole; 101. Bending section; 11. Support body; 110. Hole; 12. Conductor;

[0034] 2. Second clamping body; 20. Second skeleton;

[0035] 30. Fixture frame; 300. Mounting part; 301. Cell mounting area; 31. Conductive clamp;

[0036] 4. Battery cells. Detailed Implementation

[0037] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0038] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0039] Embodiment one

[0040] As shown in Figure 1 , Figure 2 A flexible conductive clamp, comprising a first clamp body 1, a second clamp body 2, the first clamp body 1 and the second clamp body 2 are actually independent parts, and the cooperation of the two makes the first clamp body 1 and the second clamp body 2 form a battery piece clamping area. Specifically:

[0041] As shown in Figures 3-6 : The first clamp body 1 comprises a first skeleton 10, a support body 11 and a conductive body 12. Specifically:

[0042] One end of the first skeleton 10 forms a connecting end 100, a connecting hole 1000 is formed on the connecting end 100, and the other end of the first skeleton 10 penetrates the support body 11 and penetrates out of the support body 11.

[0043] In this embodiment: with reference to Figure 6, one end of the first skeleton 10 extends a distance away from the other end (right end) and then bends towards the other end (left end) and the connecting end 100 (upper end) The direction of extension is also the direction of approaching the second clamp body 2, and the bending can make the first skeleton 10 have a certain elasticity, so that when cooperating with the second clamp body 2, a certain elastic clamping force of the first clamp body 1 towards the second clamp body 2 can be provided.

[0044] In a preferred embodiment of the present application: the part of the first skeleton 10 inside the support body 11 has a bending section 101, which increases the contact area of the first skeleton 10 and the support body 11, improves the firmness and stability of the connection between the two.

[0045] The first skeleton 10 is made of conductive material, such as metal material.

[0046] The support body 11 is provided with a hole 110 for arranging the conductive body 12.

[0047] In the embodiment, referring to Fig. 6, the cross section of the support body 11 gradually decreases from one end (lower end) to the other end (upper end), such as the shape of a triangular body, a pyramidal body, etc. The other end of the first skeleton 10 penetrates into the end (lower end) of the support body 11 with larger cross section, so that the contact area of the support body 11 and the first skeleton 10 is increased, and the firmness and stability of the connection between the two is improved.

[0048] The support body 11 is made of insulating flexible material, preferably insulating corrosion-resistant flexible material, such as soft glue.

[0049] The conductive body 12 is arranged in the support body 11, specifically in the hole 110 of the support body 11, or directly formed in the hole 110 of the support body 11 during processing. One end of the conductive body 12 is in contact with the first skeleton 10, specifically, one end of the conductive body 12 penetrates through the first skeleton 10 in the support body 11, and the conductive body 12 is in contact with the part penetrating through the first skeleton 10, so as to realize the conduction between the two. The other end of the conductive body 12 is exposed from the support body 11 to form a conductive contact end. The conductive contact end of the conductive body 12 only needs a point, which can realize conduction.

[0050] The conductive body 12 is made of flexible conductive material, preferably flexible metal wire, such as gold wire, silver wire, copper wire, etc., or metal polymer.

[0051] The second clamp body 2 comprises a second skeleton 20, one end of the second skeleton 20 forms a connecting end 200, and the other end of the second skeleton 20 forms a conductive contact end. The second skeleton 20 is a sheet material, and does not involve other special structures.

[0052] The second skeleton 20 is made of conductive material, such as metal material.

[0053] During clamping, the conductive clamp presses the battery sheet against the second clamp body 2 through the conductive body 12 of the first clamp body 1. Since the conductive body 12 is made of flexible conductive material, the contact part of the conductive body 12 can be compressed and deformed, so that the battery sheet is finally pressed against the support body 11. Since the support body 11 is made of flexible material, the contact between the battery sheet and the hard conductive metal is avoided, so as to avoid the pyramid damage in the electroplating process of the battery sheet. That is, in the embodiment, the support body 11 actually clamps the battery sheet, and the conductive body 11 realizes the function of conduction during clamping.

[0054] Embodiment two

[0055] As Figure 7The cathode clamp shown comprises a clamp frame 30, and a conductive clamp 31, the clamp frame 30 is provided with a mounting portion 300, and the conductive clamp 31 is mounted on the mounting portion 300. The clamp frame 30 is made of conductive material, such as metal material; and the conductive clamp 31 is the flexible conductive clamp of the first embodiment.

[0056] The mounting portion 300 is provided with at least one pair, and a battery piece setting area 301 is formed between the pair of mounting portions 300, and a plurality of conductive clamps 31 are arranged on the mounting portion 300. Two pairs of mounting portions 300 are shown as an example, two battery piece setting areas 301 are formed, and four conductive clamps 31 are mounted on one mounting portion 300.

[0057] The first clamp body 1 of the flexible conductive clamp is connected to one side of the mounting portion 300, and the second clamp body 2 is connected to the other side of the mounting portion 300.

[0058] As shown in the figure, after the battery piece is arranged in the battery piece setting area 301, it is clamped by eight conductive clamps 31, and when the clamp frame 30 is conducted, the current is realized by the first skeleton 10 of the first clamp body 1, the conductive body 12, and the second skeleton 20 of the second clamp body 2 to realize double-sided conduction. Figure 8

[0059] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and it cannot limit the protection scope of the present application. Any equivalent changes or modifications made in accordance with the spirit and essence of the present application shall be covered within the protection scope of the present application.​

Claims

1. A flexible conductive clip, comprising a first clip body and a second clip body, wherein a battery cell clamping area is formed between the first clip body and the second clip body, characterized in that: The first clamping body comprises a first skeleton, a support body and a conductive body, One end of the first skeleton forms a connecting end, and the other end of the first skeleton penetrates into the support body, and the first skeleton is made of conductive material; The support body is made of insulating flexible material; The conductive body is arranged in the support body, one end of the conductive body is in contact with the first skeleton, and the other end of the conductive body is exposed from the support body to form a conductive contact end, and the conductive body is made of flexible conductive material, When clamping the battery sheet, the support body of the first clamping body abuts the battery sheet against the second clamping body, and the conductive body is in conductive contact with the battery sheet.

2. The flexible conductive clip of claim 1, wherein: One end of the conductive body penetrates the first skeleton in the support body.

3. The flexible conductive clip of claim 1, wherein: The conductive body is made of flexible metal wire or metal polymer.

4. The flexible conductive clip of claim 1, wherein: The support body is provided with a hole, and the conductive body is arranged or formed in the hole.

5. The flexible conductive clip of claim 1, wherein: The cross section of the support body gradually decreases from one end of the conductive body to the other end, and the other end of the first skeleton penetrates into the end of the support body with larger cross section.

6. The flexible conductive clip of claim 1 or 5, wherein: The part of the first skeleton inside the support body has a bending section.

7. The flexible conductive clip of claim 1, wherein: One end of the first skeleton extends a distance away from the other end, then bends and extends towards the other end and the connecting end, and penetrates into the support body.

8. The flexible conductive clip of claim 1, wherein: The second clamping body comprises a second skeleton, one end of the second skeleton forms a connecting end, the other end of the second skeleton forms a conductive contact end, and the second skeleton is made of conductive material.

9. A cathode holder comprising a holder frame, an electrically conductive clamp, said holder frame having a mounting portion provided thereon, said electrically conductive clamp being mounted on said mounting portion, characterized in that: The conductive clamp is the flexible conductive clamp as claimed in any one of claims 1 to 8, the first clamping body is connected to one side of the mounting portion, the second clamping body is connected to the other side of the mounting portion, and when clamping the battery sheet, the conductive body of the first clamping body abuts the battery sheet against the second clamping body.

10. The cathode clamp of claim 9, wherein: The mounting portion is provided with at least one pair, and a battery sheet arrangement area is formed between the pair of mounting portions, and a plurality of conductive clamps are arranged on the mounting portion.