Nickel sheet structure capable of improving connection strength

Abstract

The utility model discloses a nickel sheet structure capable of improving connection strength, which comprises a nickel sheet main body, a protective layer structure is arranged in the nickel sheet main body, and the protective layer structure is completely filled in the nickel sheet main body to enhance the connection strength of the nickel sheet main body. The nickel sheet main body is completely filled with the protective layer structure, so that additional mechanical support is provided, the tensile strength and the shear strength of the connecting piece are remarkably enhanced, and the problems of poor electrical contact and unstable current caused by insufficient connecting strength are reduced; due to the addition of the aluminum-nickel composite layer and the copper-nickel alloy layer, good conductivity is provided, resistance is reduced, stable transmission of current is guaranteed, and therefore the battery performance or normal work of equipment is improved; different materials in the protective layer, such as a copper-nickel alloy layer, have good corrosion resistance, especially seawater corrosion resistance, and are suitable for severe environments, such as marine environments, so that the service life of equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of nickel sheet connection, in particular to a nickel sheet structure for improving connection strength. Background Art

[0002] The connecting plates between nickel sheets are usually called "nickel connecting plates" or "nickel contact plates". They are used to provide electrical connection and mechanical support and are commonly found in battery packs and electronic devices.

[0003] If there are drawbacks such as low connection strength and single material in the connecting plates between nickel sheets, the following problems may occur. Insufficient connection strength may lead to poor electrical contact, resulting in unstable current, increased resistance, which may affect the performance of the battery or the normal operation of the device. Insufficient connection strength may cause the connection points to loosen under vibration or impact, increasing the risk of device failure. The low connection strength and single material of the connecting plates may cause accelerated wear of the connection points, thus shortening the service life of the device. For this reason, we propose a nickel sheet structure for improving connection strength. Summary of the Utility Model

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a nickel sheet structure for improving connection strength. The protective layer structure completely fills the inside of the nickel sheet body, providing additional mechanical support, significantly enhancing the tensile and shear strength of the connecting piece, and reducing the problems of poor electrical contact and unstable current caused by insufficient connection strength.

[0005] To solve the above technical problems, the utility model provides the following technical solution: A nickel sheet structure for improving connection strength, including a nickel sheet body, wherein a protective layer structure is arranged inside the nickel sheet body, and the protective layer structure completely fills the inside of the nickel sheet body to enhance its connection strength.

[0006] As a preferred technical solution of the utility model, the protective layer structure includes an aluminum-nickel composite layer arranged inside the nickel sheet body, a copper-nickel alloy layer attached to the aluminum-nickel composite layer and arranged inside the nickel sheet body, a carbon fiber composite material layer attached to the copper-nickel alloy layer and arranged inside the nickel sheet body, and a glass fiber reinforced plastic layer attached to the carbon fiber composite material layer and arranged inside the nickel sheet body.

[0007] As a preferred technical solution of the utility model, the aluminum-nickel composite layer is composed of two metals, aluminum and nickel, and the thickness of the aluminum-nickel composite layer is set to 2 mm.

[0008] As a preferred technical solution of the utility model, the copper-nickel alloy layer is composed of two metals, copper and nickel, and the thickness of the copper-nickel alloy layer is set to 2 mm.

[0009] As a preferred technical solution of the present utility model, the carbon fiber composite layer is composed of carbon fibers and a matrix material, and the thickness of the carbon fiber composite layer is set to be equal to the thickness of the copper-nickel alloy layer.

[0010] As a preferred technical solution of the present utility model, the glass fiber reinforced plastic layer is composed of glass fibers and a plastic matrix, and the thickness of the glass fiber reinforced plastic layer is set to be equal to the thickness of the carbon fiber composite layer.

[0011] Compared with the prior art, the beneficial effects that the present utility model can achieve are as follows:

[0012] 1. Enhance connection strength: The protective layer structure completely fills the inside of the nickel sheet body, providing additional mechanical support, significantly enhancing the tensile and shear strength of the connector, and reducing problems such as poor electrical contact and unstable current caused by insufficient connection strength.

[0013] 2. Improve electrical conductivity: The addition of the aluminum-nickel composite layer and the copper-nickel alloy layer provides good electrical conductivity, helps reduce resistance, ensures stable current transmission, and thus improves the battery performance or the normal operation of the device.

[0014] 3. Improve corrosion resistance: Different materials in the protective layer, such as the copper-nickel alloy layer, have good corrosion resistance, especially seawater corrosion resistance, and are suitable for harsh environments such as marine environments, thereby extending the service life of the device.

[0015] 4. Enhance impact and seismic resistance: The addition of the carbon fiber composite layer and the glass fiber reinforced plastic layer provides excellent rigidity and fatigue resistance, making the connection points not easily loosen under vibration or impact, and reducing the risk of equipment failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic three-dimensional state diagram of the structure of the present utility model;

[0017] Figure 2 is a schematic front view state diagram of the structure of the present utility model;

[0018] Figure 3 is a schematic side view state diagram of the structure of the present utility model;

[0019] Figure 4 is a schematic front view sectional diagram of the partial structure of the present utility model.

[0020] Wherein the reference numerals are: 1, nickel sheet body; 2, protective layer structure; 21, aluminum-nickel composite layer; 22, copper-nickel alloy layer; 23, carbon fiber composite layer; 24, glass fiber reinforced plastic layer. DETAILED DESCRIPTION OF THE INVENTION

[0021] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0022] Embodiment:

[0023] like Figures 1-4 As shown, a nickel sheet structure for improving connection strength includes a nickel sheet body 1, a protective layer structure 2 is arranged inside the nickel sheet body 1, and the protective layer structure 2 completely fills the inside of the nickel sheet body 1 to enhance its connection strength;

[0024] The protective layer structure 2 includes an aluminum-nickel composite layer 21 disposed in the nickel sheet body 1, a copper-nickel alloy layer 22 bonded to the aluminum-nickel composite layer 21 and disposed in the nickel sheet body 1, a carbon fiber composite material layer 23 bonded to the copper-nickel alloy layer 22 and disposed in the nickel sheet body 1, and a glass fiber reinforced plastic layer 24 bonded to the carbon fiber composite material layer 23 and disposed in the nickel sheet body 1;

[0025] Aluminum layer: Features: lightweight, good electrical and thermal conductivity, good corrosion resistance, Uses: provides structural support and good electrical conductivity, often used in applications with high lightweight requirements; Nickel layer: Features: wear resistance, strong corrosion resistance, excellent high temperature resistance, Uses: enhance the durability and mechanical strength of the composite layer, improve contact and welding performance, Deposition method: Common manufacturing processes include electroplating, chemical vapor deposition (CVD) or physical vapor deposition (PVD), which can uniformly deposit a nickel layer on an aluminum substrate, Layer thickness: The thickness of the aluminum and nickel layers can be adjusted according to application requirements, and the nickel layer is usually thinner to reduce cost and weight, Copper (Cu): Features: excellent electrical and thermal conductivity, good processability and corrosion resistance; Uses: provides the main basic structure of the alloy, enhances electrical conductivity and plasticity, Corrosion resistance: Copper-nickel alloys have excellent resistance to seawater corrosion and are therefore often used in marine environments, Strength and hardness: The addition of nickel significantly improves the strength and hardness of the alloy, making it suitable for high load conditions, Electrical and thermal conductivity: Although the addition of nickel reduces the electrical conductivity of copper-nickel alloys, it is still higher than many other metal alloys.

[0026] Carbon fiber: Characteristics: Extremely high strength and rigidity, low density, high temperature resistance and corrosion resistance. The diameter of carbon fiber is usually between 5 and 10 micrometers, and the length can reach several kilometers; Applications: As a reinforcing material to provide the main mechanical strength and rigidity, improving the strength and stiffness of composite materials; Matrix material: Resin matrix: Types: Include epoxy resin, polyester resin, phenolic resin, etc.; Characteristics: Bond carbon fibers together, disperse stress, and protect carbon fibers from environmental factors; Applications: Provide overall structural integrity and compressive strength, Composite process Laying and curing: Carbon fibers are usually laid in the form of fabrics or prepregs, then immersed in the matrix material, and cured by heating or chemical reaction; Laminated structure: Carbon fiber composites can be stacked in multiple layers, changing the laying direction of carbon fibers to optimize material properties; Performance characteristics High strength and low weight: Carbon fiber composites offer excellent strength-to-weight ratio, widely used in aerospace, automotive and sports equipment; Rigidity and fatigue resistance: Provide excellent rigidity and fatigue resistance, suitable for high-load applications; Electrical conductivity: Carbon fiber has certain electrical conductivity and can be used as a shielding material for electronic devices;

[0027] Glass fiber: Characteristics: High strength, rigidity and high temperature resistance, low density, corrosion resistance, and relatively low price; Types: Common types include E glass (electrical glass) and S glass (structural glass), E glass is used for general applications, and S glass is used for applications requiring higher strength; Forms: Can be in the form of short fibers, long fibers, woven fabrics, non-woven fabrics, etc.; Plastic matrix: Types: Mainly include thermosetting plastics and thermoplastic plastics; Thermosetting plastics: Such as epoxy resin, polyester resin, phenolic resin, etc., these resins cannot be softened again by heating after curing; Thermoplastic plastics: Such as polyurethane, polycarbonate, etc., these plastics can be softened by heating and remolded; Functions: Bond glass fibers together to form composites, providing overall structural strength and toughness; Composite process Laying and curing: Glass fibers are usually laid in the form of fabrics or sheets, then immersed in the plastic matrix, and cured by heating or chemical reaction; Laminated structure: The design of the laminated structure can adjust the fiber direction and number of layers according to requirements to optimize performance; Performance characteristics Strength and toughness: Glass fiber reinforced plastics have high strength and toughness, suitable for structural parts and load-bearing components; Corrosion resistance: Strong tolerance to chemical substances and environmental conditions; Lightweight: Has a lower density compared to traditional metal materials.

[0028] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is less than that of the second feature.

[0029] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and the above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will also have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A nickel sheet structure for improving connection strength, comprising a nickel sheet body (1), characterized in that: A protective layer structure (2) is arranged inside the nickel sheet body (1). The protective layer structure (2) completely fills the inside of the nickel sheet body (1) to enhance its connection strength.

2. The nickel sheet structure for improving connection strength according to claim 1, wherein: The protective layer structure (2) includes an aluminum-nickel composite layer (21) arranged inside the nickel sheet body (1), a copper-nickel alloy layer (22) attached to the aluminum-nickel composite layer (21) and arranged inside the nickel sheet body (1), a carbon fiber composite layer (23) attached to the copper-nickel alloy layer (22) and arranged inside the nickel sheet body (1), and a glass fiber reinforced plastic layer (24) attached to the carbon fiber composite layer (23) and arranged inside the nickel sheet body (1).

3. The nickel sheet structure for improving connection strength according to claim 2, characterized in that: The aluminum-nickel composite layer (21) is composed of two metals, aluminum and nickel, and the thickness of the aluminum-nickel composite layer (21) is set to 2 mm.

4. A nickel sheet structure for improving connection strength according to claim 2, characterized in that: The copper-nickel alloy layer (22) is composed of two metals, copper and nickel, and the thickness of the copper-nickel alloy layer (22) is set to 2 mm.

5. The nickel sheet structure for improving connection strength according to claim 2, wherein: The carbon fiber composite layer (23) is composed of carbon fibers and a matrix material, and the thickness of the carbon fiber composite layer (23) is set to be equal to the thickness of the copper-nickel alloy layer (22).

6. The nickel sheet structure for improving connection strength according to claim 2, characterized in that: The glass fiber reinforced plastic layer (24) is composed of glass fibers and a plastic matrix, and the thickness of the glass fiber reinforced plastic layer (24) is set to be equal to the thickness of the carbon fiber composite layer (23).

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