A connector material, plug and socket

Abstract

This invention provides a connector material, plug, and socket, comprising two or more copper material layers. Each copper material layer is a copper layer, a copper alloy layer, or a dispersion-reinforced copper alloy layer, and adjacent copper material layers are made of different copper materials. This invention achieves complementary advantages of multiple copper material layers, possessing all the physical and electrical properties of a single component material while exhibiting excellent comprehensive processing performance. It also significantly reduces the amount of expensive copper used, thereby lowering the production cost of connectors. Furthermore, it is easy to mass-produce, resulting in good economic and social benefits.

Description

Technical Field

[0001] This utility model relates to the field of sockets, plugs, and electronic connectors, and in particular to a connector element material, as well as plugs and sockets containing the connector element material. Background Technology

[0002] The pins, prongs, and electronic connectors of sockets and plugs play a role in conducting current during operation, and their quality directly affects the reliability and stability of electrical appliances such as sockets and plugs.

[0003] Currently, the pins, contacts, and other components of sockets and plugs are mostly made of brass, phosphor bronze, or copper. Brass has high strength and hardness, but poor electrical conductivity. Tin-phosphor bronze has high strength and high ductility, but due to its Sn content, it is expensive, has poor electrical conductivity, and poor hot workability. Pure copper has good electrical and thermal conductivity and good ductility, but it softens easily at high temperatures and has low strength.

[0004] When electrical appliances such as sockets are in operation, the peak current is very large, sometimes even reaching several thousand amperes. When this current passes through brass or phosphor bronze pins, contacts, and electronic connectors with poor conductivity, it generates a lot of heat, causing the plugs and sockets to overheat and easily burn out. Conversely, when the current passes through pure copper contacts with good conductivity, they are prone to softening and deformation at high temperatures, making the plugs and sockets less resistant to wear and impact during use, leading to poor contact and affecting their lifespan. Therefore, developing a highly conductive, high-strength, and reasonably priced material for connector components has significant economic value.

[0005] A search revealed limited research or reports both domestically and internationally on the pins, prongs, contacts, and materials used in plugs and sockets. Patent CN201811020966 uses a highly conductive and high-strength tellurium copper alloy to replace traditional charging pile plugs. However, tellurium in this alloy is toxic, posing environmental risks. Furthermore, tellurium is a strategic material with a high market price. Additionally, the alloy is processed under a high-temperature protective atmosphere, requiring high airtightness of the processing equipment, resulting in low yield and high processing costs, which is unfavorable for mass production. Utility Model Content

[0006] In view of the deficiencies in the prior art, the purpose of this utility model is to provide a connector material, plug, and socket.

[0007] In a first aspect, the present invention provides a connector material comprising two or more copper material layers, wherein each copper material layer is a copper layer, a copper alloy layer, or a dispersion-reinforced copper alloy layer, and adjacent copper material layers are different copper material layers.

[0008] Optionally, when it is composed of two copper material layers, the second copper material layer is disposed on the upper or lower surface of the first copper material layer, wherein the thickness of the first copper material layer is 30% to 95% of the total thickness of the connector element material.

[0009] Optionally, when it consists of two copper material layers, the thickness of the first material layer is 5% to 70% of the total thickness of the connector element material.

[0010] Optionally, when composed of three copper material layers, the first copper material layer is disposed on one surface of the second copper material layer, the third copper material layer is disposed on the other surface of the second copper material layer, and the second copper material layer is located between the first copper material layer and the third copper material layer, forming a layered composite connector element material.

[0011] Optionally, when the device is composed of three copper material layers, the thickness of the second copper material layer accounts for 30% to 95% of the total thickness of the connector element material.

[0012] Optionally, when the device is composed of three copper material layers, the sum of the thicknesses of the first copper material layer and the third copper material layer accounts for 5% to 70% of the total thickness of the connector element material.

[0013] Optionally, the two or more copper material layers mentioned above are combined into a single layered composite connector material by means of cold rolling, hot rolling, warm rolling or extrusion.

[0014] Optionally, the interface of the layered composite connector material is planar or curved.

[0015] In a second aspect, a plug is provided, including a connector element, said connector element being made of the aforementioned connector element material.

[0016] Thirdly, a socket is provided, including a plug element, wherein the plug element is made of the aforementioned plug element material.

[0017] Compared with the prior art, the present invention has at least one of the following beneficial effects:

[0018] The connector material structure of this invention breaks through the conventional design concept of existing products. By selecting different material types for each layer, it fully realizes the complementary advantages of the materials, possessing not only the physical and electrical properties of individual component materials but also excellent comprehensive processing performance. Specifically, it exhibits high strength, high plasticity, good impact resistance, and high conductivity. For the same conductivity, the connector material of this invention is cheaper, using less expensive pure copper and containing no toxic elements. Scrap materials can be recycled and reused as copper alloy substrates. The processing method is simple and easy for mass production. Therefore, the connector material of this invention has significant economic and social benefits.

[0019] Furthermore, in the above-described structure of this utility model, the overall resistivity of the connector material is controlled by adjusting the thickness ratio of the multi-layer copper material. This reduces the overall resistivity of the connector material, thereby lowering the operating temperature of the electrical appliance, while also ensuring the strength of the connector material. This prevents the connector from bending or burning during repeated use. Customized connector materials can be provided according to the customer's specific material requirements. Attached Figure Description

[0020] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0021] Figure 1 This is a cross-sectional schematic diagram of the connector material H85 / H65 / H85 in Embodiment 1 of this utility model;

[0022] Figure 1 The markings in the middle represent: 101 is the first copper material layer, 102 is the second copper material layer, and 103 is the third copper material layer;

[0023] Figure 2 This is a schematic diagram of the connector element in the three-hole socket of Embodiment 1 of this utility model.

[0024] Figure 2 The markings indicate: 104 is the connector in the three-hole socket, and 105 is the plastic shell of the socket.

[0025] Figure 3 This is a cross-sectional schematic diagram of the connector material QSn6.5-0.1 / T2 in Embodiment 2 of this utility model;

[0026] Figure 3 The markings in the middle indicate that: 201 is the second copper material layer and 202 is the first copper material layer;

[0027] Figure 4 This is a schematic diagram of the connector element in the five-hole socket of Embodiment 2 of this utility model;

[0028] Figure 4 The marks in the figure respectively represent: 203 is the plug-in component, and 204 is the plastic housing of the socket;

[0029] Figure 5 It is a schematic cross-sectional view of the plug-in component material (CNT / Cu) / Cu / H90 in Embodiment 3 of the present utility model;

[0030] Figure 5 The marks in the figure respectively represent: 301 is the first copper material layer; 302 is the second copper material layer; 303 is the third copper material layer;

[0031] Figure 6 It is a schematic diagram of the plug-in component of the mobile phone charging plug in Embodiment 3 of the present utility model;

[0032] Figure 6 The marks in the figure respectively represent: 304 is the plug-in component, and 305 is the plastic housing of the plug;

[0033] Figure 7 It is a schematic cross-sectional view of the 5-layer plug-in component material shown in the embodiments of the present utility model. Specific embodiments

[0034] The present utility model will be described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present utility model, but do not limit the present utility model in any form. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can be made. These all belong to the protection scope of the present utility model.

[0035] In the description of the specification of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "upper end", "lower end", "lower surface", "upper surface", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In the description of the specification of the present utility model, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0036] Embodiment 1

[0037] Refer Figure 1 As shown in the figure, it is a schematic structural diagram of the plug-in component material in an embodiment of the present utility model. In this embodiment, the plug-in component material is composed of three copper material layers, and each copper material layer is a copper layer, a copper alloy layer or a dispersion-strengthened copper alloy layer, and, the adjacent two copper material layers are different copper material layers.

[0038] Specifically, referring to Figure 1 , the figure includes: a first copper material layer 101, a second copper material layer 102, and a third copper material layer 103. The second copper material layer 102 is disposed between the first copper material layer 101 and the third copper material layer 103. The first copper material layer 101, the second copper material layer 102, and the third copper material layer 103 are compounded into one body by cold rolling, obtaining a high-conductivity and high-strength plug-in component material H85 / H65 / H85, which is a three-layer laminated composite material.

[0039] In this embodiment, the first copper material layer 101 is an H85 brass layer, the second copper material layer 102 is an H65 brass layer, and the third copper material layer 103 is an H85 brass layer. The thickness of the second copper material layer 102 is 50% of the total thickness of the plug-in component material, and the sum of the thicknesses of the first copper material layer 101 and the third copper material layer 103 is 50% of the total thickness of the plug-in component material. The thickness of the first copper material layer 101 is 25% of the total thickness of the plug-in component material.

[0040] The plug-in component material H85 / H65 / H85 of this embodiment fully realizes the complementary advantages of H65 brass and H85 brass. It not only has the high plasticity, high conductivity, and high thermal conductivity of H85 brass, but also has the high strength of H65. T2 / H65 / T2 does not contain magnetic elements and does not contain toxic elements. At the same time, the scrap of H85 / H65 / H85 can be directly recycled as the basic material of brass for use.

[0041] The resistivity of the plug-in component material H85 / H65 / H85 of this embodiment is 5.72 μΩ*cm. This plug-in component material can be used in various plugs or sockets. For example, as Figure 2 shown, applying the above-mentioned Figure 1 shown plug-in component material to the plug-in component 104 of a three-hole socket, while having the above-mentioned performance, can also make Figure 2 shown the production cost of the plug-in component 104 of the three-hole socket is reduced by 18%.

[0042] Embodiment 2

[0043] Refer Figure 3 shown, which is a schematic structural diagram of a plug-in component material according to an embodiment of the present invention. In this embodiment, the plug-in component material is composed of two copper material layers. Each copper material layer is a copper layer, a copper alloy layer, or a dispersion-strengthened copper alloy layer, and the adjacent two copper material layers are different copper material layers.

[0044] Specifically, referring to Figure 3, The figure includes: a second copper material layer 201 and a first copper material layer 202. The second copper material layer 201 is disposed on the upper surface of the first copper material layer 202. Of course, it can also be disposed on the lower surface of the first copper material layer 202. The second copper material layer 201 and the first copper material layer 202 are compounded into one body by hot extrusion to obtain a highly conductive and high-strength plug-in element material QSn6.5-0.1 / T2, which is a two-layer laminated composite material.

[0045] The second copper material layer 201 is a QSn6.5-0.1 / T2 phosphor bronze layer, and the first copper material layer 202 is a T2 copper layer. The thickness of the second copper material layer 201 is 30% of the total thickness of the plug-in element material; the thickness of the first copper material layer 202 is 70% of the total thickness of the plug-in element material.

[0046] In this embodiment, the plug-in element material QSn6.5-0.1 / T2 fully realizes the complementary advantages of QSn6.5-0.1 material and oxygen-free copper. It has both the high plasticity and high conductivity of oxygen-free copper and the high strength of QSn6.5-0.1. QSn6.5-0.1 / T2 does not contain magnetic elements and does not contain toxic elements. The scraps can be directly recycled and used as the phosphor bronze base material.

[0047] In this embodiment, the resistivity of the plug-in element material QSn6.5-0.1 / T2 is 5.11 μΩ*cm. This plug-in element material can be used in porous plugs or sockets. For example, it makes Figure 4 the cost of the plug-in element 203 in the five-hole socket shown in [the figure] reduced by 22%.

[0048] Embodiment 3

[0049] As shown in the reference Figure 5 figure, it is a schematic structural diagram of a plug-in element material according to an embodiment of the present invention. In this embodiment, it is composed of three copper material layers. The figure includes: a first copper material layer 301, a second copper material layer 302, and a third copper material layer 303. The second copper material layer 302 is disposed in the middle of the first copper material layer 301 and the third copper material layer 303. The first copper material layer 301 is compounded with the second copper material layer 302 and the third copper material layer 303 into one body by warm rolling to obtain a highly conductive and high-strength plug-in element material (CNT / Cu) / Cu / H90 (carbon nanotube reinforced copper-based material / Cu / H90).

[0050] In this embodiment, the first copper material layer 301 is a CNT / Cu layer, the second copper material layer 302 is a pure copper layer, and the third copper material layer 303 is an H90 layer. The thickness of the second copper material layer 302 is 90% of the total thickness of the plug-in element material; the sum of the thicknesses of the first copper material layer 301 and the third copper material layer 303 is 10% of the total thickness of the plug-in element material. The thickness of the first copper material layer 301 is 4% of the total thickness of the plug-in element material.

[0051] The connector material (CNT / Cu) / Cu / H90 in this embodiment fully leverages the complementary advantages of CNT / Cu and pure copper. It possesses the high plasticity, electrical conductivity, and thermal conductivity of pure copper, while also exhibiting the high strength and wear resistance of carbon nanotube-reinforced copper-based materials and brass. (CNT / Cu) / Cu / H90 contains no magnetic elements and no toxic elements. Scrap materials can be directly recycled as copper substrates to produce H65 or H62.

[0052] In this embodiment, the resistivity of the connector material (CNT / Cu) / Cu / H90 is 2.85 μΩ*cm. This connector material can be used in mobile phone charging plugs, for example, to make... Figure 6 The cost of the connector element 304 in the mobile phone charging plug shown is reduced by 15%.

[0053] The above are only some embodiments of plug and socket materials and connector materials in the field of electronic information in this utility model. The main purpose is to achieve the complementary performance advantages of high conductivity copper materials and high strength copper materials, improve the electrical conductivity and mechanical properties of connector materials in the fields of plug and socket and electronic information, and at the same time reduce the amount of high-priced copper used.

[0054] Specifically, when the material in the copper material layer is a copper alloy, it can be a zinc brass layer or other copper alloy layers, such as tin brass, iron brass, iron bronze, manganese brass, titanium bronze, silicon bronze, aluminum bronze, phosphor bronze, or beryllium nickel copper. When the material in the copper material layer is a dispersion-reinforced copper layer, it can be particle-dispersion-reinforced copper or fiber-dispersion-reinforced copper, and the type of reinforcing phase can be an oxide reinforcing phase, a metallic reinforcing phase, or a non-metallic reinforcing phase. Existing products can be used for the copper alloys corresponding to these copper material layers.

[0055] The number of copper material layers in the connector element material can be two or three. In other embodiments, the number of copper material layers in the connector element material can also be four or more. The arrangement of the multi-layer connector element material is such that the materials of adjacent copper material layers are necessarily different. When it consists of four or more copper material layers, a second copper material layer is provided between every two copper material layers, and adjacent copper material layers are made of different materials. The thickness of the second copper material layer is 30% to 95% of the total thickness of the connector element material. The interface of the connector element material can be planar or have other structures. Figure 7 The diagram shows a cross-sectional view of the 5-layer connector material.

[0056] The application fields of the connector can be various sockets, such as three-hole sockets, five-hole sockets, seven-hole sockets, or other special function sockets, or various plugs, such as two-prong plugs, three-prong plugs, or special function plugs, such as voltage conversion plugs, or floor sockets, wall switch sockets, electronic connectors, which does not affect the essence of this utility model.

[0057] This utility model has a simple and effective structural design with high efficiency, which can significantly reduce the amount of expensive copper used and the production cost of connector components for enterprises.

[0058] It should be understood that the type of copper material, number of layers, thickness, processing method of each layer, and application field of the connector involved in the above embodiments can all be adjusted within the scope of this utility model. This is easily achieved by those skilled in the art based on the description in this utility model specification, and therefore will not be elaborated further.

[0059] The specific embodiments of this utility model have been described above. It should be understood that this utility model is not limited to the specific embodiments described above, and those skilled in the art can make various modifications or variations within the scope of the claims, which do not affect the substantive content of this utility model.

Claims

1. A connector element material, characterized by, It consists of two or more copper material layers, wherein each copper material layer is a copper layer, a copper alloy layer, or a dispersion-reinforced copper alloy layer, and one of the copper material layers is a dispersion-reinforced copper alloy layer, and the two adjacent copper material layers are different copper material layers.

2. The connector material according to claim 1, characterized in that, When it is composed of two copper material layers, the second copper material layer is disposed on the upper or lower surface of the first copper material layer, wherein the thickness of the second copper material layer is 30% to 95% of the total thickness of the connector element material.

3. The connector element material according to claim 2, characterized in that When it is composed of two copper material layers, the thickness of the first material layer is 5% to 70% of the total thickness of the connector material.

4. The connector element material of claim 1, wherein: When composed of three copper material layers, the first copper material layer is disposed on one surface of the second copper material layer, the third copper material layer is disposed on the other surface of the second copper material layer, and the second copper material layer is located between the first copper material layer and the third copper material layer, forming a layered composite connector material.

5. The connector element material of claim 4, wherein: When the connector is composed of three copper material layers, the thickness of the second copper material layer accounts for 30% to 95% of the total thickness of the connector material, and the sum of the thicknesses of the first copper material layer and the third copper material layer accounts for 5% to 70% of the total thickness of the connector material.

6. The connector element material of claim 1, wherein: When the device is composed of four or more copper material layers, a second copper material layer is provided between every two copper material layers, and adjacent copper material layers are copper material layers of different materials. The thickness of the second copper material layer is 30% to 95% of the total thickness of the connector material.

7. The connector element material of claim 1, wherein: Layered composite connector material formed by combining two or more layers of copper material through cold rolling, hot rolling, warm rolling or extrusion.

8. The connector element material of claim 7, wherein: The interface of the layered composite connector material is planar or curved.

9. A plug, characterized by: It includes a connector element, wherein the connector element is made of the connector element material described in any one of claims 1-8.

10. A socket, characterized by: It includes a connector element, wherein the connector element is made of the connector element material described in any one of claims 1-8.

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