JP2017107802A - Twisted wire conductor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a twisted wire conductor with a perfect-circle outer shape and improved flexibility.SOLUTION: Provided is a twisted wire conductor which includes an outer layer 3 that is formed in two layers with an outermost layer 4 configured with a plurality of first medium-diameter wires 14, a plurality of second medium-diameter wires 15, and a plurality of small-diameter wires 13 and with a first outer layer 5 that is located on an inner side of the outermost layer 4 and configured with a plurality large-diameter wires 12. The number of the second medium-diameter wires 15 that constitute the outermost layer 4, the number of the small-diameter wires 13 that constitute the outermost layer 4, the number of the large-diameter wires 12 that constitute the first outer layer 5 are all set to be the same, and the first medium-diameter wire 14, the small-diameter wire 13, and the first medium-diameter wire 14 are disposed in order in a circumferential direction between the second medium-diameter wires 15 and 15 neighboring to each other in the circumferential direction in the outermost layer 4.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a stranded conductor.

Conventionally, in order to reduce the diameter and weight of the coated wire covering the outer periphery of the stranded wire conductor, as shown in FIG. The inner layer 103 is constituted by six inner layer wires 102 having the same diameter as the wire 101, and on the outside thereof, six thin diameter wires 104 thinner than the center line 101, and six large diameter wires 105 thicker than the center line 101. There is also known a stranded wire conductor 110 in which the thin wire 104 and the thick wire 105 are alternately arranged in the circumferential direction to form the outer layer 106, and the outer shape of the cross section thereof is close to a perfect circle. (See Patent Document 1).
JP 2007-317477 A

  The above-described conventional stranded wire conductor 110 has a problem that the large-diameter wire 105 constituting the outer layer 106 is less flexible because the thicker wire 105 constituting the inner layer 103 located inside the outer layer 106 is thicker. is there.

  Therefore, an object of the present invention is to provide a stranded wire conductor that solves the above problems.

In order to solve the above-mentioned problem, the invention according to claim 1 includes an outermost layer composed of a plurality of first medium-diameter wires, a plurality of second medium-diameter wires, and a plurality of thin-diameter wires, It has an outer layer consisting of two layers of the first outer layer, which is located inside and composed of a plurality of thick wires,
The diameter of the wire used as the basis of the thin wire is smaller than the diameter of the wire used as the basis of the first medium diameter wire, and the diameter of the wire used as the basis of the first medium wire is the second medium wire. Smaller than the diameter of the wire that is the basis of the second wire, the diameter of the wire that is the basis of the second medium diameter wire is smaller than the diameter of the wire that is the basis of the thick wire,
The number of the second medium-diameter wires constituting the outermost layer, the number of the thin-diameter wires constituting the outermost layer, and the number of the large-diameter wires constituting the first outer layer are all configured with the same number. And
In the outermost layer, the first medium diameter line, the thin diameter line, and the first medium diameter line are sequentially arranged in the circumferential direction between the second medium diameter lines adjacent in the circumferential direction. Is.

  According to a second aspect of the present invention, in the first aspect of the invention, the second medium diameter wire constituting the first outer layer and the outermost layer constituting the outermost layer in the adjacent valley portion of the large diameter wire. It is characterized by being disposed.

  A third aspect of the invention is characterized in that, in the first or second aspect of the invention, the number of the second medium diameter wires is six or more.

  The invention according to claim 4 is the invention according to claim 1, 2 or 3, wherein the distance from the center of the stranded conductor to the outermost edge of the thin wire constituting the outermost layer, from the center, The distance to the outermost edge of the second medium diameter line constituting the outermost layer is the same.

  The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the outermost layer is formed by compression deformation.

  According to the present invention, the outermost layer composed of the plurality of first medium diameter wires, the plurality of second medium diameter wires, and the plurality of thin diameter wires, and located inside the outermost layer, The outer layer which consists of two layers of the configured first outer layer, the number of second medium-diameter wires constituting the outermost layer, the number of thin-diameter wires constituting the outermost layer, and the large diameter constituting the first outer layer The number of wires is the same, and in the outermost layer, the first medium diameter wire, the thin diameter wire, and the first medium diameter wire are sequentially arranged in the circumferential direction between the second medium diameter wires adjacent in the circumferential direction. By arranging, the cross-sectional shape of the stranded wire conductor is made into a substantially circular shape, and each strand constituting the stranded wire conductor can be in contact with all adjacent strands.

  In addition, the diameter of the wire that is the basis of each of the first medium-diameter wire, the second medium-diameter wire, and the thin-diameter wire that constitutes the outermost layer is set to Therefore, flexibility can be improved as compared with the conventional stranded wire conductor 110.

The cross-sectional view of the stranded wire conductor which concerns on Example 1 of this invention. The cross-sectional view which shows an example of the stranded wire conductor which concerns on Example 3 of this invention. The cross-sectional view which shows the other examples of the twisted wire conductor which concerns on Example 3 of this invention. The cross-sectional view which shows the other examples of the twisted wire conductor which concerns on Example 3 of this invention. The cross-sectional view which shows the other examples of the twisted wire conductor which concerns on Example 3 of this invention. The cross-sectional view which shows the other examples of the twisted wire conductor which concerns on Example 3 of this invention. The cross-sectional view which shows an example of the stranded wire conductor which concerns on Example 4 of this invention. The cross-sectional view which shows the other examples of the stranded wire conductor which concerns on Example 4 of this invention. The cross-sectional view which shows the other examples of the stranded wire conductor which concerns on Example 4 of this invention. The cross-sectional view of the stranded wire conductor of a prior art.

  An embodiment for carrying out the present invention will be described with reference to the drawings.

[Example 1]
FIG. 1 is a cross-sectional view cut in a direction orthogonal to the axial direction of the stranded wire conductor 1 according to Example 1 of the present invention, and the oblique lines indicating the cross section of each element wire are omitted in order to avoid complexity of the figure. .

  The stranded conductor 1 has an inner layer 2 and an outer layer 3, and the outer layer 3 is composed of two layers, an outermost layer 4 provided on the outermost side and a first outer layer 5 provided on the inner side of the outermost layer 4. .

  The inner layer 2 is provided on the inner side of the first outer layer 5 and is composed of a single center line (element wire) 11.

  As shown in FIG. 1, the first outer layer 5 has six thick wires (element wires) 12 arranged on the same circumference, and the center line 11 is covered with the six thick wires 12. It is configured. Each large diameter wire 12 is in contact with the center line 11, and adjacent large diameter wires 12 and 12 are in contact with each other.

  As shown in FIG. 1, the outermost layer 4 includes six thin wires (element wires) 13, twelve first medium diameter wires (element wires) 14, and six second medium diameter wires (element wires). The first outer layer 5 is covered with a total of 24 strands 13, 14, 15. In the outermost layer 4, a first medium diameter line 14, a small diameter line 13, and a first medium diameter line 14 are sequentially arranged in the circumferential direction between second medium diameter lines 15 and 15 adjacent in the circumferential direction. Thus, the number of the large-diameter wires 12 constituting the first outer layer 5, the second medium-diameter wire 15 constituting the outermost layer 4, and the number of the thin-diameter wires 13 constituting the outermost layer 4 are all the same number. 6 and the total number of wires 13, 14, 15 constituting the outermost layer 4 is set to be four times the number of wires 12 constituting the first outer layer 5.

  Further, the second medium diameter line 15 constituting the outermost layer 4 is located in the valley portion 16 of the adjacent large diameter lines 12 and 12 in the first outer layer 5. In addition, the second medium diameter wire 15 comes into contact with the adjacent first medium diameter wires 14 and 14 and the large diameter wire 12 located inside.

  The first medium-diameter wire 14 constituting the outermost layer 4 comes into contact with the adjacent second medium-diameter wire 15 or the thin-diameter wire 13 and the large-diameter wire 12 located inside thereof.

  The thin wire 13 constituting the outermost layer 4 has its center located on an extension line connecting the center A of the center line 11 and the center of the thick wire 12. Further, the thin wire 13 is in contact with the adjacent first medium wire 14 and the thick wire 12 located inside thereof.

  As a wire rod which becomes the basis of each strand 11, 12, 13, 14, 15 as before, a copper wire, this copper wire plated with tin, nickel, silver, etc., an aluminum wire, various alloy wires Insulating coating such as enameled wire and formal wire can be used. The same material may be used for the material of each strand 11, 12, 13, 14, 15 and a different material may be used.

  The diameter d1 of the wire that is the basis of the center line 11 is set to be the same or larger than the diameter d2 of the wire that is the basis of the thick wire 12, and the diameter d2 of the wire that is the basis of the thick wire 12 is the second medium diameter. The diameter d3 of the wire that is the basis of the second medium diameter wire 15 is set larger than the diameter d3 of the wire that is the basis of the first medium diameter wire 14, The diameter d4 of the wire used as the basis of the first medium diameter wire 14 is set larger than the diameter d5 of the wire used as the basis of the thin wire 13.

  In the first embodiment, the strands 11, 12, 13, 14, 15 satisfying the relationships d1 = d2, d3 = 0.615 × d2, d4 = 0.375 × d2, and d5 = 0.315 × d2. The wire used as the basis of the was used.

  Further, the cross-sectional shape of the stranded wire conductor 1 is substantially circular, that is, the distance L1 from the center A of the center line 11 to the outermost edge B of the second medium diameter wire 15 and the center A of the center line 11 are narrow. The distance L2 to the outermost edge C of the radial line 13 is formed to be the same.

  Since the stranded wire conductor 1 of the present invention has the above-described structure, the following actions and effects are exhibited.

  The cross-sectional shape of the stranded wire conductor 1 is a substantially perfect circle shape, and the strands 11, 12, 13, 14, 15 can be in contact with all adjacent strands 11, 12, 13, 14, 15 Structure.

  Further, since the outer shape of the stranded conductor 1 can be made into a substantially circular shape without passing the strand through a compression die, physical properties such as stretch characteristics, flexibility, and flexibility are not impaired. The physical properties of the strands can be maintained, high quality can be obtained, and it can be effectively used in the field of electric wires for automobiles, the field of acoustic wires, and the like.

  The diameters d5, d4, and d3 of the wire rods that are the bases of the thin diameter wire 13, the first medium diameter wire 14, and the second medium diameter wire 15 that constitute the outermost layer 4 are the large diameter wires that constitute the first outer layer 5. By making the diameter smaller than the diameter d2 of the wire 12 that is the basis of 12, the denseness of the stranded wire conductor 1 is increased and the generation of stray current is attenuated. Flexibility can be improved.

[Example 2]
In the strand constituting the stranded conductor 1 of the first embodiment, the diameter d2 of the wire that is the basis of the thick wire 12 is set to be larger than the diameter d3 of the wire that is the basis of the second medium diameter wire 15, 2 The diameter d3 of the wire that is the basis of the medium diameter wire 15 is set larger than the diameter d4 of the wire that is the basis of the first medium diameter wire 14, and the diameter d4 of the wire that is the basis of the first medium diameter wire 14 is As long as it is set larger than the diameter d5 of the wire used as the base of the thin wire 13, it can set to arbitrary wires other than the wire described in the said Example 1. FIG. Further, the outermost layer 4 may be compressed from the outer peripheral portion with a compression die or the like.

  By this compression, the outer peripheral portions of the strands 13, 14, and 15 forming the outermost layer 4 are compressed and deformed, and the outer shape of the stranded conductor can be made closer to a perfect circle. Compression with a compression die or the like may be performed when the stranded wire conductor 1 is manufactured, or may be performed after the stranded wire conductor 1 is manufactured. The compression rate is arbitrarily set. Since other structures are the same as those of the first embodiment, description thereof is omitted.

  Also in the second embodiment, the same operational effects as those of the first embodiment can be exhibited.

[Example 3]
In the first and second embodiments, the number of the large-diameter wires 12 constituting the first outer layer 5, the number of the second medium-diameter wires 15 constituting the outermost layer 4, and the thin-diameter wire 13 constituting the outermost layer 4. However, the number of large diameter wires 12 constituting the first outer layer 5, the number of second medium diameter wires 15 constituting the outermost layer 4, and the outermost layer 4 are If the number of the thin diameter wire | line 13 to comprise is the same number and it is six or more, it can set to arbitrary numbers.

  For example, as shown in FIG. 2, the number of large-diameter wires 12 constituting the first outer layer 5, the number of second medium-diameter wires 15 constituting the outermost layer 4, and the thin-diameter wire 13 constituting the outermost layer 4. In the case of the stranded wire conductor 20 in which the number of all is seven, d1 = 1.305 × d2, d3 = 0.58 × d2, d4 = 0.35 × d2, d5 = 0.305 × d2. By using the wire that is the basis of each of the strands 11, 12, 13, 14, 15 in which the relationship is established, the cross-sectional shape of the stranded wire conductor 20 is made into a substantially perfect circle shape with non-compression or low compression rate, All the strands 11, 12, 13, 14, 15 can come into contact with all the adjacent strands 11, 12, 13, 14, 15.

  For example, as shown in FIG. 3, the number of large-diameter wires 12 constituting the first outer layer 5, the number of second medium-diameter wires 15 constituting the outermost layer 4, and the thin-diameter wire 13 constituting the outermost layer 4. In the case of the stranded wire conductors 21 in which the number of all is eight, d1 = 1.615 × d2, d3 = 0.57 × d2, d4 = 0.32 × d2, d5 = 0.295 × d2. By using the wire that is the basis of each of the strands 11, 12, 13, 14, and 15 where the relationship is established, the cross-sectional shape of the stranded wire conductor 21 is made into a substantially perfect circle shape with non-compression or low compression rate, All the strands 11, 12, 13, 14, 15 can come into contact with all the adjacent strands 11, 12, 13, 14, 15.

  Further, as shown in FIG. 4, the number of large-diameter wires 12 constituting the first outer layer 5, the number of second medium-diameter wires 15 constituting the outermost layer 4, and the thin-diameter wires 13 constituting the outermost layer 4. In the case of the stranded wire conductors 22 having a total number of nine, the relationship of d1 = 1.925 × d2, d3 = 0.55 × d2, d4 = 0.31 × d2, d5 = 0.27 × d2 By using the wire that is the basis of each of the strands 11, 12, 13, 14, 15, the cross-sectional shape of the stranded wire conductor 22 is made into a substantially perfect circle shape with no compression or a low compression rate, Can be in contact with all the adjacent strands 11, 12, 13, 14, 15.

  Further, as shown in FIG. 5, the number of large-diameter wires 12 constituting the first outer layer 5, the number of second medium-diameter wires 15 constituting the outermost layer 4, and the thin-diameter wire 13 constituting the outermost layer 4. In the case of the stranded wire conductors 23 in which the number of all is 10, d1 = 2.235 × d2, d3 = 0.535 × d2, d4 = 0.305 × d2, d5 = 0.265 × d2. By using the wire that is the basis of each of the strands 11, 12, 13, 14, 15 for which the relationship is established, the cross-sectional shape of the stranded wire conductor 23 is made into a substantially perfect circle shape with non-compression or low compression rate, All the strands 11, 12, 13, 14, 15 can come into contact with all the adjacent strands 11, 12, 13, 14, 15.

  In addition, as shown in FIG. 6, the number of large-diameter wires 12 constituting the first outer layer 5, the number of second medium-diameter wires 15 constituting the outermost layer 4, and the thin-diameter wire 13 constituting the outermost layer 4. In the case of the stranded wire conductor 24 in which the number of all is 11, d1 = 2.55 × d2, d3 = 0.515 × d2, d4 = 0.305 × d2, and d5 = 0.265 × d2. By using the wire that is the basis of each of the strands 11, 12, 13, 14, and 15 where the relationship is established, the cross-sectional shape of the stranded wire conductor 24 is made into a substantially perfect circle shape with non-compression or low compression rate, All the strands 11, 12, 13, 14, 15 can come into contact with all the adjacent strands 11, 12, 13, 14, 15.

  Since other structures are the same as those of the first and second embodiments, description thereof is omitted.

  Also in the third embodiment, the same effects as those of the first and second embodiments can be exhibited.

[Example 4]
In the first to third embodiments, the inner layer 2 is configured by the single centerline 11, but the inner layer may be configured by two or more layers, and one type of element wire is included in the inner layer. It may be constituted by a plurality of types having different diameters. In addition, as an element wire forming the inner layer 2, a copper wire, a copper wire plated with tin, nickel, silver or the like, an aluminum wire, various alloy wires, an enameled wire, a formal wire, or the like is covered with an insulation coating. A thing etc. can be used and the same material as the strand which forms an outer layer may be used, and the thing of a different material may be used. For example, as shown in FIG. 7, the number of large-diameter wires 12 constituting the first outer layer 5, the number of second medium-diameter wires 15 constituting the outermost layer 4, and the thin-diameter wire 13 constituting the outermost layer 4. The first inner layer in which the outer layer 3 is composed of eight of the same number, and one center line 31 and eight strands 32 having the same diameter are disposed so as to cover the center line 31. The inner layer 34 may be composed of two layers 33, and the stranded wire conductor 35 may be used.

  Further, as shown in FIG. 8, the number of large-diameter wires 12 constituting the first outer layer 5, the number of second medium-diameter wires 15 constituting the outermost layer 4, and the thin-diameter wire 13 constituting the outermost layer 4. The first inner layer in which the outer layer 3 is composed of the same number of six, and one center line 41 and six strands 42 having the same diameter are disposed so as to cover the center line 41 The inner layer 46 may be configured by three layers of the second inner layer 45 in which six strands 44 having the same diameter are disposed so as to cover the first inner layer 43 and the first inner layer 43 to form the stranded conductor 47.

  Further, as shown in FIG. 9, the number of large-diameter wires 12 constituting the first outer layer 5, the number of second medium-diameter wires 15 constituting the outermost layer 4, and the thin-diameter wire 13 constituting the outermost layer 4. The outer layer 3 is composed of the same number of ten, and one center line 51, five first strands 52 arranged so as to cover the center line 51, and adjacent first strands The inner layer 55 may be constituted by the first inner layer 54 in which the second strands 53 are disposed on the radially outer side of the valley portions 52 and 52, and the stranded wire conductor 56 may be formed.

  Since other structures are the same as those in the first to third embodiments, description thereof is omitted.

  Also in the present Example 4, the same effect as the said Examples 1-3 can be exhibited.

1, 20, 21, 22, 23, 24, 35, 47, 56 Twisted wire conductor 3 Outer layer 4 Outermost layer 5 First outer layer 12 Large diameter wire 13 Small diameter wire 14 First medium diameter wire 15 Second medium diameter wire

Claims (5)

An outermost layer composed of a plurality of first medium diameter wires, a plurality of second medium diameter wires and a plurality of thin diameter wires, and a first layer composed of a plurality of large diameter wires while being located inside the outermost layer. Having an outer layer composed of two outer layers,
The diameter of the wire used as the basis of the thin wire is smaller than the diameter of the wire used as the basis of the first medium diameter wire, and the diameter of the wire used as the basis of the first medium wire is the second medium wire. Smaller than the diameter of the wire that is the basis of the second wire, the diameter of the wire that is the basis of the second medium diameter wire is smaller than the diameter of the wire that is the basis of the thick wire,
The number of the second medium-diameter wires constituting the outermost layer, the number of the thin-diameter wires constituting the outermost layer, and the number of the large-diameter wires constituting the first outer layer are all configured with the same number. And
In the outermost layer, the first medium diameter line, the thin diameter line, and the first medium diameter line are sequentially arranged in the circumferential direction between the second medium diameter lines adjacent in the circumferential direction. Twisted wire conductor.   2. The stranded wire conductor according to claim 1, wherein the second medium-diameter wire constituting the outermost layer is disposed in a valley portion between the large-diameter wires adjacent to the first outer layer. .   The stranded wire conductor according to claim 1 or 2, wherein the number of the second medium diameter wires is six or more.   The distance from the center of the stranded conductor to the outermost edge of the thin-diameter wire constituting the outermost layer, and the distance from the center to the outermost edge of the second medium-diameter wire constituting the outermost layer. The stranded wire conductor according to claim 1, 2 or 3.   The stranded wire conductor according to any one of claims 1 to 4, wherein the outermost layer is formed by compressive deformation.

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