High-temperature-resistant nickel-plated multi-strand copper wire

By combining a ceramic coating and a nickel plating layer on the outer layer of the copper wire, the problem of easy aging and oxidation of traditional high-temperature conductors is solved, achieving high stability, long life and good adaptability of high-temperature nickel-plated multi-strand copper wire.

CN224052892UActive Publication Date: 2026-03-27BEIJING CHUANGSI FILMING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The mica insulation layer and ordinary copper conductor of traditional high-temperature wires are prone to aging, which leads to oxidation of the copper conductor, increased resistance, and easy burn-out of the joint.

Method used

High-temperature resistant nickel-plated multi-strand copper wire is used. The multi-strand copper wire is wrapped with a ceramic outer layer and coated with a nickel plating layer on the surface of the copper wire body. The synergistic effect of the ceramic outer layer and the nickel plating layer inhibits the oxidation of the copper wire, and the stability and adaptability are improved by connecting the ceramic short sections with adjustable length.

Benefits of technology

It improves the temperature resistance and stability of copper wire, extends its service life, prevents joint burnout, and enhances functionality and adaptability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of copper wires, and provides a high-temperature-resistant nickel-plated multi-strand copper wire, which comprises a ceramic outer layer and a multi-strand copper wire, the ceramic outer layer comprises a plurality of ceramic short sections, the plurality of ceramic short sections are sequentially sleeved and connected along the length direction of the ceramic outer layer, and the ceramic outer layer is provided with a threading channel; the multi-strand copper wire comprises a copper wire body and a nickel plating layer, the outer surface of the copper wire body is coated with the nickel plating layer, and the multi-strand copper wire is arranged in the threading channel in a penetrating mode. And the nickel-plated layer and the ceramic outer layer cooperate to inhibit oxidation of the copper wire body, so that the condition that the joint is burnt out can be effectively avoided. Besides, the plurality of ceramic short sections are sequentially sleeved and connected to form the ceramic outer layer, so that the length of the ceramic outer layer is convenient to assemble, disassemble and adjust so as to adapt to the length of the multi-strand copper wire, and the plurality of ceramic short sections are mutually sleeved so that the ceramic outer layer has certain deformability, so that the high-temperature-resistant nickel-plated multi-strand copper wire can adapt to bending, and the functionality is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to copper wire technical field especially relates to high temperature resistant nickel plated multi-strand copper wire. BACKGROUND

[0002] Traditional high temperature conductor adopts mica insulating layer and ordinary copper conductor, and is prone to aging in long-term high temperature, and the copper conductor is prone to oxidation, which leads to resistance increase and current increase, and thus joint burnout is prone to occur. SUMMARY

[0003] The utility model discloses at least one of the technical problems in the related art is solved. To this end, the utility model provides a high temperature resistant nickel plated multi-strand copper wire, which aims to improve the temperature resistance of the copper wire and enhance the long-term stability.

[0004] The high temperature resistant nickel plated multi-strand copper wire according to the embodiment of the utility model comprises:

[0005] A ceramic outer layer comprises a plurality of ceramic short sections, which are connected in sequence along the length direction of the ceramic outer layer, and the ceramic outer layer is provided with a threading channel;

[0006] A multi-strand copper wire comprises a copper wire body and a nickel plating layer, the nickel plating layer is coated on the outer surface of the copper wire body, and the multi-strand copper wire is threaded in the threading channel.

[0007] The high temperature resistant nickel plated multi-strand copper wire according to the embodiment of the utility model has the advantages that the multi-strand copper wire is threaded in the threading channel of the ceramic outer layer, i.e. the multi-strand copper wire is wrapped by the ceramic outer layer, so that the temperature resistance is improved, the service life is prolonged, and the long-term stability is enhanced. Meanwhile, the nickel plating layer is coated on the outer surface of the copper wire body, and the nickel plating layer and the ceramic outer layer work together to inhibit the oxidation of the copper wire body, which can effectively avoid the joint burnout. In addition, the ceramic outer layer is composed of a plurality of ceramic short sections connected in sequence, which facilitates the adjustment of the length of the ceramic outer layer for the length of the multi-strand copper wire, and the plurality of ceramic short sections are connected to each other to make the ceramic outer layer have a certain deformation capacity, so that the high temperature resistant nickel plated multi-strand copper wire can adapt to bending and improve the functionality.

[0008] According to one embodiment of the utility model, the ceramic short section is provided with a threading hole, and the diameter of the ceramic short section along the axis direction of the threading hole gradually decreases, and the threading holes of the plurality of ceramic short sections are sequentially communicated to form the threading channel.

[0009] According to one embodiment of the utility model, the diameter of the ceramic short section along the axis direction of the threading hole changes linearly.

[0010] According to one embodiment of the utility model, the inner wall of the threading hole is provided with a positioning ring convex, which is annularly convex along the circumference of the ceramic nipple.

[0011] According to one embodiment of the utility model, the positioning ring convex is located at one end of the ceramic nipple.

[0012] According to one embodiment of the utility model, the positioning ring convex is located at one end of the ceramic nipple.

[0013] According to one embodiment of the utility model, the high-temperature-resistant nickel-plated multi-strand copper wire comprises a crimping terminal, which is connected to one end of the multi-strand copper wire extending out of the threading passage.

[0014] According to one embodiment of the utility model, the crimping terminal is a nickel-plated terminal.

[0015] According to one embodiment of the utility model, the crimping terminal is provided with a mounting hole.

[0016] According to one embodiment of the utility model, the thickness of the nickel-plated layer ranges from 5 μm to 15 μm.

[0017] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the related art, the following will briefly introduce the drawings needed to be used in the embodiment or related art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the structure schematic view of the high-temperature-resistant nickel-plated multi-strand copper wire provided by the embodiment of the utility model.

[0020] Figure 2 It is the partial structure sectional view schematic view of the high-temperature-resistant nickel-plated multi-strand copper wire provided by the embodiment of the utility model.

[0021] Figure 3 It is the sectional view of the ceramic nipple provided by the embodiment of the utility model.

[0022] Reference signs:

[0023] 1, ceramic outer layer; 11, threading passage; 12, ceramic nipple; 121, threading hole; 122, positioning ring convex; 2, crimping terminal; 21, mounting hole. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0025] In the description of the present application, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "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 embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying 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 embodiments of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0027] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0028] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0029] Please refer to the reference. Figure 1 and Figure 2 According to the first embodiment of the present invention, the high-temperature resistant nickel-plated multi-strand copper wire includes a ceramic outer layer 1 and multi-strand copper wire (not shown in the figure). The ceramic outer layer 1 includes several ceramic short sections 12, which are sequentially connected along the length of the ceramic outer layer 1. The ceramic outer layer 1 is provided with a wire-passing channel 11. The multi-strand copper wire includes a copper wire body and a nickel plating layer. The nickel plating layer covers the outer surface of the copper wire body, and the multi-strand copper wire passes through the wire-passing channel 11.

[0030] Understandably, a multi-strand copper wire comprises multiple copper wire bodies, each coated with a nickel plating layer. These multiple nickel-plated copper wire bodies are then twisted together to form a multi-strand copper wire. Alternatively, multiple copper wire bodies can be twisted together before being coated with a nickel plating layer; this is not a limitation. For example, the ceramic outer layer 1 is an Al2O3-SiO2 ceramic (85% Al2O3, 15% SiO2), with a sintering temperature ≥1000℃, exhibiting high temperature resistance and long-term stability. According to one embodiment of this invention, the thickness of the nickel plating layer ranges from 5μm to 15μm.

[0031] According to the embodiments of this utility model, the high-temperature resistant nickel-plated multi-strand copper wire is threaded through the threading channel 11 of the ceramic outer layer 1, that is, the multi-strand copper wire is wrapped by the ceramic outer layer 1, thereby improving its temperature resistance, extending its service life, and enhancing its long-term stability. Simultaneously, the nickel plating layer covering the outer surface of the copper wire body, along with the ceramic outer layer 1, works synergistically to inhibit the oxidation of the copper wire body, effectively preventing joint burn-out. Furthermore, several ceramic short sections 12 are sequentially connected to form the ceramic outer layer 1, facilitating the installation, removal, and adjustment of the length of the ceramic outer layer 1 to accommodate the length of the multi-strand copper wire. Moreover, the interlocking of several ceramic short sections 12 gives the ceramic outer layer 1 a certain degree of deformation capability, allowing the high-temperature resistant nickel-plated multi-strand copper wire to adapt to bending and improving its functionality.

[0032] like Figure 2 and Figure 3As shown, according to one embodiment of the present application, the ceramic nipple 12 is provided with a threading hole 121, and the diameter of the ceramic nipple 12 along the axial direction of the threading hole 121 gradually decreases, and the threading holes 121 of the plurality of ceramic nipples 12 are sequentially communicated to form a threading channel 11.

[0033] It can be understood that the plurality of copper wires sequentially pass through the threading holes 121 of the plurality of ceramic nipples 12, so that the ceramic outer layer 1 forms high-temperature-resistant protection for the plurality of copper wires. When the two adjacent ceramic nipples 12 are sleeved with each other, one end of one ceramic nipple 12 with a smaller diameter is inserted into the other end of the other ceramic nipple 12 with a larger diameter, and the subsequent ceramic nipple 12 is the same, so that the diameter of the ceramic outer layer 1 in the length direction does not change too much. For example, the diameter of the ceramic nipple 12 along the axial direction of the threading hole 121 changes in a stepped manner, so that the end with a smaller diameter can be inserted into the end with a larger diameter of the other ceramic nipple 12.

[0034] According to one embodiment of the present application, the diameter of the ceramic nipple 12 along the axial direction of the threading hole 121 changes linearly. For example, one end of the ceramic nipple 12 has a larger diameter, and the other end has a smaller diameter, that is, each ceramic nipple 12 has a conical structure, and the plurality of ceramic nipples 12 can be sleeved with each other and closely attached, and are not easy to be loosened. Moreover, after the plurality of ceramic nipples 12 are sleeved with each other, due to the existence of the sleeving gap, the ceramic outer layer 1 has a certain flexibility in the length direction, and can adapt to the bending of the plurality of copper wires.

[0035] According to one embodiment of the present application, the inner wall of the threading hole 121 is provided with a positioning ring protrusion 122, and the positioning ring protrusion 122 is annularly protruded along the circumference of the ceramic nipple 12. It can be understood that the positioning ring protrusion 122 can be used to reduce the diameter of the threading hole 121, so that the space enclosed by the positioning ring protrusion 122 can just allow the plurality of copper wires to pass through, and the plurality of copper wires does not have too much radial activity space, thereby avoiding the shaking of the plurality of copper wires and improving the stability.

[0036] According to one embodiment of the present application, the positioning ring protrusion 122 is located at one end of the ceramic nipple 12, so that the strength of the one end of the ceramic nipple 12 can be enhanced, and the connection is more stable when the two ceramic nipples 12 are sleeved with each other.

[0037] According to one embodiment of the present application, the positioning ring protrusion 122 is located at the end with a smaller diameter of the ceramic nipple 12, so that the positioning ring protrusion 122 has a smaller volume, which is beneficial to reduce the production cost.

[0038] According to one embodiment of the utility model, the high-temperature-resistant nickel-plated multi-strand copper wire comprises a crimping terminal 2, and the crimping terminal 2 is connected to one end of the multi-strand copper wire extending through the threading channel 11. Understandably, both ends of the multi-strand copper wire can extend through the threading channel 11, and both ends are provided with the crimping terminal 2, so as to be connected to external equipment through the crimping terminal 2.

[0039] According to one embodiment of the utility model, the crimping terminal 2 is a nickel-plated terminal, so as to improve the oxidation resistance of the crimping terminal 2.

[0040] According to one embodiment of the utility model, the crimping terminal 2 is provided with a mounting hole 21, so as to be connected to external equipment through the mounting hole 21.

[0041] Finally, it should be pointed out that the above embodiments are only used to illustrate the utility model, rather than limit the utility model. Although the utility model is described in detail with reference to the embodiments, those skilled in the art should understand that various combinations, modifications or equivalent replacements of the technical solutions of the utility model do not deviate from the spirit and scope of the utility model, and should be covered in the scope of the claims of the utility model.

Claims

1. A high temperature resistant nickel plated multi-stranded copper wire, characterized in that, The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire.

2. The nickel-coated, high temperature resistant, multi-stranded copper wire of claim 1, wherein, The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire.

3. The nickel-coated, high temperature resistant, multi-stranded copper wire of claim 2, wherein, The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire.

4. The nickel-coated, high temperature resistant, multi-stranded copper wire of claim 3, wherein, The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire.

5. The nickel-coated, high temperature resistant, multi-stranded copper wire of claim 4, wherein, The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire.

6. The nickel-coated, high temperature resistant, multi-stranded copper wire of claim 5, wherein, The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire.

7. The nickel-coated, multi-strand, high-temperature-resistant copper wire of any one of claims 1 to 6, wherein, The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire.

8. The nickel-coated, high-temperature-resistant, multi-stranded copper wire of claim 7, wherein, The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire.

9. The nickel-coated, high temperature resistant, multi-stranded copper wire of claim 7, wherein, The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire.

10. The nickel-coated, multi-strand, high-temperature-resistant copper wire of any one of claims 1 to 6, wherein, The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-strand copper wire. The application relates to a high-temperature-resistant nickel-plated multi-str