CN213211737U

CN213211737U - Positive and negative stranded wire

Info

Publication number: CN213211737U
Application number: CN202022730168.1U
Authority: CN
Inventors: 崔承范
Original assignee: Sanling Production Line Dongguan Co ltd
Current assignee: Sanling Production Line Dongguan Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-05-14
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to the technical field of copper wires, in particular to a positive and negative stranded wire, which comprises a main conductor copper wire, an inner stranded wire stranded on the outer diameter of the main conductor copper wire and an outer stranded wire stranded on the inner stranded wire; the inner stranded wire is spirally stranded on the outer diameter of the main conductor copper wire by at least more than two first stranded copper wires; the outer stranded wire is spirally stranded outside the inner stranded wire by at least more than four strands of second stranded copper wires; the strand direction of the first strand copper wire is opposite to that of the second strand copper wire; the utility model discloses an interior stranded conductor line will lead the cladding of body copper line strand, promote the stability of conductor line to the outside cladding of stranded conductor line has outer stranded conductor line including, through multiunit spiral strand cladding, further promotes the stability and the tensile performance of dragging of conductor line, structural reliability is strong.

Description

Positive and negative stranded wire

Technical Field

The utility model relates to a copper line technical field especially relates to a positive and negative strand.

Background

The tinned copper wire is widely applied to the production of wires, cables and enameled wires, and the tin plating layer is bright silvery white, so that the weldability and the decorativeness of copper can be improved, the conductivity is not influenced, and the tinned copper wire can be used in the electronic industry. The tinning on the surface of the copper wire can greatly improve the corrosion resistance of the copper wire and lead the copper conductor to have brazing performance, is a basic material in the electronic industry, and is suitable for producing leads of electronic components and jumper wires of circuit boards of the whole machine. With the continuous development of electronic component equipment towards miniaturization, micro-molding and high integration, the electronic packaging technology is developed towards automation and high efficiency, and the performance requirements on products such as tinned copper wires are higher and higher.

Wherein, the gynostemma pentaphylla copper line is one kind of copper line, is that the copper line with the stranded or with copper line and other metal wire gynostemma pentaphylla formation integratively, and current strand line generally is one-way gynostemma pentaphylla, appears buckling easily after accomplishing the gynostemma pentaphylla, leads to overall stability relatively poor, and whole tensile strength is relatively poor moreover.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a wrap up main conductor copper line strand through interior strand to promote the stability of conductor line to the outside cladding of strand has outer strand including, through the cladding of multiunit spiral strand, further promotes the stability and the tensile performance of tearing of conductor line, the strong positive and negative strand of structural reliability.

The utility model adopts the technical proposal that: a positive and negative stranded wire comprises a main conductor copper wire, an inner stranded wire stranded on the outer diameter of the main conductor copper wire and an outer stranded wire stranded on the inner stranded wire; the inner stranded wire is spirally stranded on the outer diameter of the main conductor copper wire by at least more than two first stranded copper wires; the outer stranded wire is spirally stranded outside the inner stranded wire by at least more than four strands of second stranded copper wires; the strand direction of the first strand copper wire is opposite to that of the second strand copper wire.

The scheme is further improved in that the main conductor copper wire is a circular copper wire or an oval copper wire.

The further improvement of the scheme is that the outer diameter of the main conductor copper wire is plated with a first protective layer.

The scheme is further improved in that the first protective layer is one of a tin plating layer, a silver plating layer, a nickel plating layer or a zinc plating layer.

The further improvement of the scheme is that the thickness of the first protective layer is 0.4-5.0 μm.

The scheme is further improved in that the outer diameter of the first strand copper wire is smaller than or equal to that of the main conductor copper wire.

The scheme is further improved in that the first stranded copper wire is two, four, six or eight strands.

The further improvement of the scheme is that a second protective layer is arranged on the outer diameter of the first stranded copper wire, and the second protective layer is one of a tin coating, a silver coating, a nickel coating or a zinc coating.

The further improvement of the scheme is that the outer diameter of the second stranded copper wire is smaller than or equal to that of the main conductor copper wire.

The scheme is further improved in that a third protective layer is arranged on the outer diameter of the second stranded copper wire, and the third protective layer is one of a tin coating, a silver coating, a nickel coating or a zinc coating; the second stranded copper wire is four strands, six strands, eight strands or sixteen strands.

The utility model has the advantages that:

compare traditional gynostemma pentaphylla line, the utility model discloses an interior stranded conductor line will lead the cladding of body copper line gynostemma pentaphylla, promote the stability of conductor line to the outside cladding of stranded conductor line has outer stranded conductor line including, through multiunit spiral gynostemma pentaphylla cladding, further promotes the stability and the tensile performance of dragging of conductor line, structural reliability is strong. Specifically, a main conductor copper wire, an inner stranded wire stranded on the outer diameter of the main conductor copper wire and an outer stranded wire stranded on the inner stranded wire are arranged; the inner stranded wire is spirally stranded on the outer diameter of the main conductor copper wire by at least more than two first stranded copper wires; the outer stranded wire is spirally stranded outside the inner stranded wire by at least more than four strands of second stranded copper wires; the strand direction of the first strand copper wire is opposite to that of the second strand copper wire; the first stranded copper wire is the forward strand, and the second stranded copper wire is reverse strand, forms the forward and reverse strand, further guarantees the stability of strand, prevents that one direction strand leads to wholly rolling up, promotes stability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Description of reference numerals: the copper wire comprises a main conductor copper wire 100, a first protection layer 110, an inner stranded wire 200, a first stranded copper wire 210, a second protection layer 220, an outer stranded wire 300, a second stranded copper wire 310 and a third protection layer 320.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, a positive and negative stranded wire includes a main conductor copper wire 100, an inner stranded wire 200 stranded on the outer diameter of the main conductor copper wire 100, and an outer stranded wire 300 stranded on the inner stranded wire 200; the inner stranded wire 200 is spirally stranded on the outer diameter of the main conductor copper wire 100 by at least two first stranded copper wires 210; the outer stranded wire 300 is spirally stranded outside the inner stranded wire 200 by at least more than four second stranded copper wires 310; the first stranded copper wire 210 is stranded in the opposite direction to the second stranded copper wire 310.

The main conductor copper wire 100 is a circular copper wire or an oval copper wire, adopts a copper wire with a circular or oval structure, is convenient for wrapping a strand, and has a simple structure, practicality and reliability.

The outer diameter of the main conductor copper wire 100 is plated with the first protection layer 110, the further improvement is that the first protection layer 110 is one of a tin plating layer, a silver plating layer, a nickel plating layer or a zinc plating layer, the thickness of the first protection layer 110 is 0.4-5.0 μm, the protection layer is generally selected from tin plating or silver plating, the protection effect on the main conductor copper wire 100 can be achieved, the stability is improved, the thickness is generally preferably 0.8-1.2 μm, and the protection effect can be fully improved.

The outer diameter of the first twisted copper wire 210 is smaller than or equal to the outer diameter of the main conductor copper wire 100, the improvement is that the first twisted copper wire 210 is two strands, four strands, six strands or eight strands, the outer diameter of the general first twisted copper wire 210 is smaller than the outer diameter of the main conductor copper wire 100, and the purpose is better to wrap the main conductor copper wire 100 in a twisted manner, so that full coverage is realized.

The outer diameter of the first stranded copper wire 210 is provided with a second protective layer 220, the second protective layer 220 is one of a tin plating layer, a silver plating layer, a nickel plating layer or a zinc plating layer, and the tin plating layer or the silver plating layer is generally selected as the protective layer, so that the protective effect on the main conductor copper wire 100 can be achieved, the stability is improved, the thickness is preferably 0.8-1.2 μm, and the protective effect can be fully improved.

The outer diameter of the second stranded copper wire 310 is smaller than or equal to the outer diameter of the main conductor copper wire 100, and the outer diameter of the second stranded copper wire 310 is smaller than the outer diameter of the first stranded copper wire 210, so that the main conductor copper wire 100 is stranded and coated better, and full coverage is realized.

A third protective layer 320 is arranged on the outer diameter of the second stranded copper wire 310, and the third protective layer 320 is one of a tin plating layer, a silver plating layer, a nickel plating layer or a zinc plating layer; the second stranded copper wire 310 is four, six, eight or sixteen strands, and is generally selected to be tinned or silvered to be a protective layer, so that the protective effect on the main conductor copper wire 100 can be achieved, the stability is improved, the thickness is preferably 0.8-1.2 μm, and the protective effect can be fully improved.

The utility model discloses an interior stranded conductor 200 will lead 100 strand cladding of body copper line, promote the stability of conductor line to 200 outside cladding of stranded conductor have outer stranded conductor 300 including, through multiunit spiral strand cladding, further promote the stability and the tensile performance of dragging of conductor line, structural reliability is strong. Specifically, a main conductor copper wire 100, an inner stranded wire 200 stranded on the outer diameter of the main conductor copper wire, and an outer stranded wire 300 stranded on the inner stranded wire 200 are provided; the inner stranded wire 200 is spirally stranded on the outer diameter of the main conductor copper wire 100 by at least two first stranded copper wires 210; the outer stranded wire 300 is spirally stranded outside the inner stranded wire 200 by at least more than four second stranded copper wires 310; the strand direction of the first stranded copper wire 210 is opposite to that of the second stranded copper wire 310; that is, the first stranded copper wire 210 is a forward strand, and the second stranded copper wire 310 is a reverse strand, so as to form a forward strand and a reverse strand, further ensure the stability of the strands, prevent the whole coiling caused by the strands in one direction, and improve the stability.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A positive and negative strand which is characterized in that: comprises a main conductor copper wire, an inner stranded wire stranded on the outer diameter of the main conductor copper wire and an outer stranded wire stranded on the inner stranded wire; the inner stranded wire is spirally stranded on the outer diameter of the main conductor copper wire by at least more than two first stranded copper wires; the outer stranded wire is spirally stranded outside the inner stranded wire by at least more than four strands of second stranded copper wires; the strand direction of the first strand copper wire is opposite to that of the second strand copper wire.

2. The positive and negative strand of claim 1, wherein: the main conductor copper wire is a circular copper wire or an oval copper wire.

3. The positive and negative strand of claim 1, wherein: the outer diameter of the main conductor copper wire is plated with a first protective layer.

4. A positive-negative twisted yarn as claimed in claim 3, wherein: the first protective layer is one of a tin coating, a silver coating, a nickel coating or a zinc coating.

5. A positive-negative twisted yarn as claimed in claim 3, wherein: the thickness of the first protective layer is 0.4-5.0 μm.

6. The positive and negative strand of claim 1, wherein: the outer diameter of the first strand copper wire is smaller than or equal to that of the main conductor copper wire.

7. The positive and negative strand of claim 1, wherein: the first stranded copper wire is two, four, six or eight strands.

8. The positive and negative strand of claim 1, wherein: the outer diameter of the first stranded copper wire is provided with a second protective layer, and the second protective layer is one of a tin plating layer, a silver plating layer, a nickel plating layer or a zinc plating layer.

9. The positive and negative strand of claim 1, wherein: the outer diameter of the second stranded copper wire is smaller than or equal to that of the main conductor copper wire.

10. The positive and negative strand of claim 1, wherein: a third protective layer is arranged on the outer diameter of the second stranded copper wire, and the third protective layer is one of a tin plating layer, a silver plating layer, a nickel plating layer or a zinc plating layer; the second stranded copper wire is four strands, six strands, eight strands or sixteen strands.