Galvanized rust-proof copper strip
By using copper tape made of copper zinc alloy and galvanized and chrome plating on both sides of it, the problem of insufficient strength and corrosion resistance of the copper tape is solved, and higher connection accuracy and service life are achieved.
Patent Information
- Application Number
- CN202420364343.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-27
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-02-27
AI Technical Summary
In the application of copper tape in the electronics field, there are problems of insufficient strength and corrosion resistance, which leads to difficulty in positioning and easy deviation of welding positions, which is not conducive to wire docking.
The copper strip main body is made of copper-zinc alloy, and a galvanized layer and chrome-plated layer are respectively provided on both sides to add connection parts to facilitate the docking and positioning of the lines.
It improves the overall strength and corrosion resistance of the copper belt, enhances the connection accuracy, ensures the high conductivity and reliability of the copper belt, and extends the service life.
Smart Images
Figure CN222530036U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of copper strips, in particular to a galvanized anti-rust copper strip. Background Art
[0002] Copper strips are metal components, mainly used in the fields of electronics and electrical equipment, such as printed circuit boards, cables, motors, terminal blocks and other industries. With the popularization of electronic equipment and the development of large-scale integrated circuits, the application of copper strips in the electronics field is becoming more and more important. At this time, it is necessary to improve the performance of copper strips to meet the corresponding requirements.
[0003] When copper tape is used as a conductive path for circuit boards, it is widely used due to its good conductivity and mechanical properties. However, copper tape as a conductive path still has technical defects, such as insufficient strength and corrosion resistance, difficulty in positioning when connected to other circuit boards, and easy deviation of the welding position, which is not conducive to wire docking. Utility Model Content
[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a galvanized anti-rust copper strip. The copper strip main body is made of a copper-zinc alloy, and a galvanized layer and a chrome-plated layer are respectively arranged on both sides thereof to improve the overall strength and corrosion resistance of the copper strip. Connecting parts are respectively arranged at both ends of the copper strip to facilitate the docking of circuits, thereby solving the technical defects recorded in the background technology.
[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a galvanized anti-rust copper strip, comprising a copper strip, wherein the copper strip comprises a copper alloy body formed of a copper-zinc alloy, wherein a zinc plating layer and a chrome plating layer are respectively provided on the upper and lower surfaces of the copper alloy body, wherein a connecting portion is provided on the copper alloy body, wherein the connecting portion is arranged at the end of the copper alloy body, wherein the connecting portion is formed by a downward recess of one side of the copper alloy body, and wherein a surface of the connecting portion is provided with an electroplating layer.
[0006] The utility model is further configured as follows: the copper alloy body is in the shape of a long strip, the length of the copper alloy body is 3-20 cm, the width of the copper alloy body is 10-50 mm, the thickness of the copper alloy body is 1.5-3 mm, and connecting parts are respectively provided at both ends of the copper alloy body.
[0007] The utility model is further configured as follows: each end portion is provided with at least one connecting portion, the lateral width of the connecting portion is 6-42 mm, the longitudinal width of the connecting portion is 3-10 mm, the depth of the connecting portion is 0.3-1 mm, and the thickness of the electroplating layer is 0.03-0.06 mm.
[0008] The utility model is further configured as follows: the electroplating layer is a gold-plated layer or a silver-plated layer.
[0009] The utility model is further configured as follows: the thickness of the zinc plating layer is 5-10um, the thickness of the chrome plating layer is 3-10um,
[0010] The utility model is further configured as follows: the copper belt is composed of a plurality of copper alloy bodies connected in sequence; a release film is provided on one side of the copper belt; the release film is a PET release film; a silicone oil layer is coated on the PET release film; and a plurality of the copper alloy bodies are adhered to the release film.
[0011] The utility model is further configured as follows: the copper belt is wound into a roll from one end, the length of each roll of the copper belt is 2-10m, the copper belt also has a box body, a soft pad is arranged in the box body, the copper belt is placed on the soft pad, and the copper belt is sealed in the box body.
[0012] In summary, the utility model has the following beneficial effects: the copper alloy body is in the shape of a long strip, and a zinc plating layer and a chrome plating layer are respectively provided on the upper and lower surfaces thereof, which improves the strength and corrosion resistance of the copper alloy body; connecting parts are respectively provided at both ends of the copper alloy body, which is convenient for positioning and docking of circuit boards and improves the connection accuracy; the electroplating layer on the surface of the connecting part is a gold plating layer or a silver plating layer, which further enhances the high conductivity of the copper alloy body; the copper strip has good reliability and a long service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the copper alloy main structure of the utility model;
[0015] Figure 3 This is a schematic diagram of the zinc coating structure of the utility model;
[0016] Figure 4 It is a schematic diagram of the connecting part structure of the utility model.
[0017] In the figure: 1. copper strip; 11. release film; 2. copper alloy body; 21. zinc plating layer; 22. chrome plating layer; 3. connection part; 31. electroplating layer. DETAILED DESCRIPTION
[0018] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.
[0019] like Figure 1 , Figure 2 , Figure 3As shown, the utility model galvanized anti-rust copper strip includes a copper strip 1, which is formed by a plurality of copper alloy bodies 2 adhered to a release film 11 in a roll, the copper alloy body 2 is composed of 65% copper, 20% zinc and 15% nickel, and the copper alloy body 2 is in a long strip shape, and the length of each copper alloy body 2 on the copper strip 1 roll is 3-20cm, and the width and thickness are 10-50mm and 1.5-3mm respectively. Both ends of each copper alloy body 2 are provided with a connecting portion 3, and the surface of the connecting portion 3 is provided with an electroplating layer 31, and each copper alloy body 2 is provided with a zinc plating layer 21 on the top, and a chrome plating layer 22 on the bottom, the thickness of the zinc plating layer 21 is 5-10um, and the thickness of the chrome plating layer 22 is 3-10um. The copper alloy body 2 using the above method has high strength and good corrosion resistance, and has both high conductivity and mechanical properties. Each copper alloy body 2 can be used as a conductive path alone, and the length of the copper alloy body 2 is set according to its use scenario, with good reliability and long service life.
[0020] like Figure 2 , Figure 4 As shown, the connection part 3 is formed by a downward recess of one side of the copper alloy body 2. Specifically, the connection part 3 is formed by a groove on the upper side of the copper alloy body 2, and the groove is opened in the middle of the copper alloy body 2. The lateral width of the connection part 3 is located on the width of the copper alloy body 2, and the lateral width of the connection part 3 is 6-42 mm. The longitudinal width of the connection part 3 extends along the long side direction of the copper alloy body 2, the longitudinal width of the connection part 3 is 3-10 mm, and the depth of the connection part 3 is 0.3-1 mm. The upper surface of the connection part 3 has an electroplating layer 31, and the electroplating layer 31 is a gold-plated layer or a silver-plated layer with a thickness of 0.03-0.06 mm. The two connection parts 3 located at both ends of the copper alloy body 2 are symmetrically arranged. The connection part 3 formed by the groove is used to accommodate other wiring harnesses on the docking circuit board. The wiring harness is placed in the connection part 3 to achieve fast and accurate positioning, which improves the convenience of installation. The connection part 3 can be used as a welding groove to improve the flatness after welding. The electroplating layer 31 makes the welding point have good conductivity.
[0021] The working principle of the utility model is as follows: when in use, a roll of copper tape 1 is taken out, and the front section thereof is unfolded, one of the copper alloy bodies 2 is taken off from the release film 11 manually or automatically, and the copper alloy body 2 is placed at the corresponding position of the circuit board. At this time, the copper alloy body 2 is a conductive path, and other wiring harnesses that need to be connected are placed in the connecting groove at the end of the copper alloy body 2 for welding. Since the connecting portion 3 is a groove, the wiring harness is placed in the connecting portion 3 for welding, and its welding point is parallel to or slightly higher than the upper end surface of the copper alloy body 2. After being arranged by a grinding device, the welding position is parallel and beautiful. The copper alloy body 2 has high strength and good reliability.
[0022] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.
Claims
1. Galvanized anti-rust copper strip, characterized by: The invention comprises a copper strip (1), wherein the copper strip (1) comprises a copper alloy body (2) formed of a copper-zinc alloy, wherein the upper and lower surfaces of the copper alloy body (2) are respectively provided with a zinc plating layer (21) and a chrome plating layer (22), wherein the copper alloy body (2) is provided with a connecting portion (3), wherein the connecting portion (3) is arranged at the end of the copper alloy body (2), wherein the connecting portion (3) is formed by a downward recess of one side of the copper alloy body (2), and wherein the surface of the connecting portion (3) is provided with an electroplating layer (31).
2. The galvanized anti-rust copper strip according to claim 1, characterized in that: The copper alloy body (2) is in the shape of an elongated strip, the length of the copper alloy body (2) is 3-20 cm, the width of the copper alloy body (2) is 10-50 mm, the thickness of the copper alloy body (2) is 1.5-3 mm, and connecting parts (3) are respectively provided at both ends of the copper alloy body (2).
3. The galvanized anti-rust copper strip according to claim 2, characterized in that: Each end portion is provided with at least one connecting portion (3), the lateral width of the connecting portion (3) is 6-42 mm, the longitudinal width of the connecting portion (3) is 3-10 mm, the depth of the connecting portion (3) is 0.3-1 mm, and the thickness of the electroplating layer (31) is 0.03-0.06 mm.
4. The galvanized anti-rust copper strip according to claim 3, characterized in that: The electroplating layer (31) is a gold-plated layer or a silver-plated layer.
5. The galvanized anti-rust copper strip according to claim 1, characterized in that: The thickness of the zinc plating layer (21) is 5-10 um, and the thickness of the chrome plating layer (22) is 3-10 um.
6. The galvanized anti-rust copper strip according to claim 1, characterized in that: The copper strip (1) is composed of a plurality of copper alloy bodies (2) connected in sequence, a release film (11) is provided on one side of the copper strip (1), the release film (11) is a PET release film (11), a silicone oil layer is coated on the PET release film (11), and the plurality of copper alloy bodies (2) are adhered to the release film (11).
7. The galvanized anti-rust copper strip according to claim 6, characterized in that: The copper belt (1) is wound into a roll from one end, and the length of each roll of the copper belt (1) is 2-10m. The copper belt (1) also has a box body, and a soft pad is arranged in the box body. The copper belt (1) is placed on the soft pad, and the copper belt (1) is sealed in the box body.