Flat Composite Wire

Abstract

To provide a flat composite cable satisfying requirement of a wiring of a movable portion in which a core structure has flexure resistance.SOLUTION: A flat composite wire is provided that includes at least two wires that are combined side by side with each other. Each wire includes at least three cores and one electrical insulation member. Each of the cores includes a plurality of yarns and a plurality of conductive wires, the yarns and conductive wires are intertwined and braided, the conductive wires being wound around the yarns. An electrically insulating member covers the core.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to flat composite wires. [Background technology]

[0002] 2. Description of Related Art Generally speaking, a transmission cable can be used as a medium for making an electrical connection between two electronic devices to facilitate the expected signal transmission. The increasing popularity of automated factories and artificial intelligence machines means that the number of transmission cables required will also increase.

[0003] It is worth noting that most of these associated machinery and equipment belong to dynamic manufacturing facilities, and therefore the transmission cables used must also meet the requirements of wiring moving parts, such as the ability to withstand repeated U-bends.

[0004] Achieving the above requirements is relatively easy for a single coaxial cable. Summary of the Invention [Problem to be solved by the invention]

[0005] Technical issues However, with the increase in the amount and speed of information transmission, in order to meet the requirements of the control of the machinery and equipment, these machinery and equipment often need to be changed to flat composite wires, and the existing flat composite wires obviously cannot meet the above-mentioned performance requirements. [Means for solving the problem]

[0006] Solutions to the challenges The present invention provides a flat composite cable, the core structure of which is bend-resistant and meets the requirements of wiring in movable parts.

[0007] The flat composite wire of the present invention includes at least two wires interlaced side by side. Each of the wires includes at least three cores and an electrical insulating member. Each of the cores includes a plurality of yarns (singles) and a plurality of conductive wires, which are twisted and braided together, with the conductive wires wrapped around the yarns. The insulating member covers the cores.

[0008] In one preferred embodiment of the present invention, the conductive wire is a bare copper wire or a bare copper wire with a sheath.

[0009] In one embodiment of the invention, the aforementioned cores are distributed within the insulating member at equal angles relative to the central axis of the aforementioned wire.

[0010] In one preferred embodiment of the present invention, the outer diameter of each of the above-mentioned wires is between 0.5 mm and 2.5 mm.

[0011] In one preferred embodiment of the present invention, the outer diameter of each of the above-mentioned wires is 1.725 mm to 1.745 mm.

[0012] In one preferred embodiment of the present invention, the thickness of the above-mentioned electrical insulating member is 0.2 mm to 0.6 mm.

[0013] In one preferred embodiment of the present invention, the outer diameter of each of the above-mentioned cores is 0.5 mm to 0.6 mm.

[0014] In one preferred embodiment of the present invention, the width of the above-mentioned flat composite wire is 4.8 mm to 10 mm.

[0015] In one preferred embodiment of the present invention, the width of the above-mentioned flat composite wire is 6.9mm to 6.98mm.

[0016] In one preferred embodiment of the present invention, the bending resistance of each of the above-mentioned wires is such that the number of dynamic bending cycles is greater than 10 million, and the bending radius of curvature is between 0.5 mm and 30 mm.

[0017] Based on the above, the flat composite wire is formed by combining at least two wires side by side. Each of the wires includes at least three cores and an electrical insulating member. The electrical insulating member covers the core, and each of the cores includes a plurality of yarns and a plurality of conductive wires, which are twisted and braided together, and the conductive wires are wound around the yarns. Therefore, the core can be made stronger and tougher by using a stretchable and tough yarn as the central structure. Furthermore, the wire composed of at least three cores can have the above-mentioned properties. Effect of the Invention

[0018] Due to the above-mentioned properties, the flat composite wire formed by arranging multiple wires can have higher resistance to bending and can withstand repeated dynamic bending operating conditions, which can meet the requirements of modern production lines. [Brief description of the drawings]

[0019] [Figure 1] 1 is a partial schematic view of a flat composite wire according to the present invention; [Diagram 2] FIG. 2 is a cross-sectional view of the flat composite wire of FIG. 1. [Diagram 3] FIG. 3 is a schematic diagram of the components of the core of FIG. 2. [Figure 4] FIG. 2 is a simplified diagram of the flat composite wire of FIG. 1 undergoing a bending resistance test. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0020] Description of the embodiments FIG 1 is a partial schematic diagram of a flat composite wire according to an embodiment of the present invention. FIG 2 is a cross-sectional view of the flat composite wire of FIG 1. Please refer to FIG 1 and FIG 2 at the same time. In this embodiment, a flat composite wire 100 includes at least two wires 110 that are combined side by side with each other. Here, four wires are taken as an example. These wires 110 are combined side by side as shown in FIG 1 by hot pressing or the like, and the four wires 110 shown are substantially coplanar.

[0021] FIG. 3 is a schematic diagram of the core components of FIG. 2. Please refer to FIG. 2 and FIG. 3 at the same time. In this embodiment, each of the wires 110 includes at least three cores 112 and one electrical insulating member 111. The electrical insulating member 111 covers the cores 112 to protect them. The bonding parameters between the electrical insulating member 111 and the cores 112 can be adjusted appropriately to adjust the relative positions of the two. In other embodiments, the electrical insulating member 111 can cover the outer surface of the cores 112 without gaps. The above-mentioned hot welding is for the electrical insulating members, so that the adjusted electrical insulating members 111 can be combined side by side with each other. Furthermore, the electrical insulating member 111 can be selected from a material that does not shed chips, facilitating the use of the flat composite wire 100 in an environment such as a clean room. In addition, each of the cores 112 includes a plurality of yarns 112a and a plurality of conductive wires, which are twisted and braided together. Here, the yarn 112a is, for example, polyurethane fiber, which has better tensile strength and toughness. After the yarn 112a is twisted and braided, it forms the central structure of the core 112, which effectively allows the physical properties of the yarn 112a to be directly reflected in the core 112, that is, the core 112 has the resistance to withstand dynamic bending.

[0022] The conductive wire 112b is a bare copper wire or a bare copper wire with an outer sheath (for example, a bare copper wire with tin plating, i.e., the outer surface of the bare copper wire has a metal coating). Here, the form of the conductive wire 112b can be determined by determining the corresponding copper material according to the use state, the required structural strength, and the impedance. Furthermore, the conductive wire 112b is twisted and wound around the outer circumference of the yarn 112a as a medium for electrical transmission. However, since the conductive wire 112b is substantially attached to the outside of the yarn 112a, in the sense of structural composition, the conductive wire 112b does not need to excessively withstand the stress generated by dynamic bending, and the service life of the conductive wire can be increased accordingly.

[0023] Referring again to FIG. 2, in this embodiment, the outer diameter D2 of each of the wires 110 is 0.5 mm to 2.5 mm, more preferably 1.725 mm to 1.745 mm. The thickness of the electrical insulating member 111 is 0.2 mm to 0.6 mm. The outer diameter of each of the cores 112 is 0.5 mm to 0.6 mm. Therefore, when the four wires 110 are combined to form the flat composite wire 100, the width D1 of the flat composite wire is 4.8 mm to 10 mm, more preferably 6.9 mm to 6.98 mm. In this way, the illustrated flat composite wire can be applied to different moving parts of various automatic machines and occupies less space. Furthermore, due to the above-mentioned characteristics of the core 112, the flat composite wire 100 can be freely deformed and keep its shape while maintaining its planar shape.

[0024] 2 again, it should be noted here that the cores 112 of this embodiment are distributed at equal angles with respect to the central axis C1 of the wire 110 in the electrical insulating member 111. Since the cores 112 are illustrated here, the axes of any two adjacent cores have a central angle of 120 degrees with respect to the central axis C1. This allows these cores 112 to share close stress with each other when the wire 110 is in a dynamic bending state, and does not cause stress concentration that damages the wire 110. In addition, under the premise that the range of the outer diameter D2 of the wire 110 (1.2 mm to 2.5 mm) is satisfied, the number of cores 112 in one wire 110 can be selected from 3 to 7 cores.

[0025] FIG. 4 is a simplified diagram of the flat composite wire of FIG. 1 undergoing bending resistance testing. Referring to FIG. 4, due to the characteristics of the components described above, the bending resistance of each of the wires 110 in this embodiment is such that the number of dynamic bending times is more than 10 million, the radius of curvature R1 of the bending is 0.5 mm to 30 mm, and the bending can be U-shaped bending or V-shaped bending. In this way, the flat composite wire 100 can withstand an operating environment in which dynamic bending is repeated. Taking the wire 110 shown in FIG. 4 as an example, one end P1 is a fixed end and the other end P2 is a moving end, which represents the reciprocating motion of an automation device during operation, so that bending is formed in at least a part of the area of ​​the wire 110, and as the time series increases, bending is formed in different parts.

[0026] In summary, in the above embodiment of the present invention, a flat composite wire is formed by combining at least two wires side by side. Each of the wires includes at least three cores and an electrical insulating member. The electrical insulating member covers the core, and each of the cores includes a plurality of yarns and a plurality of conductive wires, which are twisted and braided together, and the conductive wires are wound around the yarns. Therefore, the core can be made stronger and tougher by using a stretchable and tough yarn as the central structure. Furthermore, the wire composed of at least three cores can provide the wire with the above-mentioned properties.

[0027] In other words, the flat composite wire of the present invention is made by gathering together a number of composite wires, and due to the above-mentioned properties of the core, the flat composite wire has a large degree of freedom in the direction of bending or flexibility and has a high restoring force, so that the flat composite wire can be freely bent or folded together with the moving parts of the automation device during reciprocating motion, and can easily return to the original undeformed flat composite wire. [Industrial Applicability]

[0028] Due to the above-mentioned properties, the flat composite wire of the present invention formed by combining multiple wires side by side can have higher resistance to bending, and therefore can withstand the operating conditions of repeated dynamic bending, which can meet the requirements of modern production lines. [Explanation of symbols]

[0029] 100 Flat Composite Wire 110 Wire 111 Electrical insulating materials 112 cores C1 center axis D1 width D2 outer diameter 112a Yarn R1 radius of curvature Fixed end of P1 Moving end of P2

Claims

1. A flat composite wire comprising at least two wires interdigitated side by side, each of said wires comprising: At least three cores; and an electrical insulating member. each of said cores includes a plurality of yarns and a plurality of conductive wires, the yarns and the conductive wires being twisted and braided together, a portion of each of said conductive wires being wound around said yarns, another portion of each of said conductive wires being interposed between said yarns, and the yarns being twisted and braided together to form a central structure of each of said cores; The electrical insulation member covers the core. Flat composite wire.

2. 2. The flat composite wire of claim 1, wherein the conductive wire is a bare copper wire or a bare copper wire with a sheath.

3. 2. The flat composite wire of claim 1, wherein said cores are distributed equiangularly within said insulating member relative to a central axis of said wire.

4. 2. The flat composite wire of claim 1, wherein the outer diameter of each of said wires is between 0.5 mm and 2.5 mm.

5. 2. The flat composite wire of claim 1, wherein the outer diameter of each of said wires is between 1.725 mm and 1.745 mm.

6. 2. The flat composite wire of claim 1, wherein the thickness of the electrical insulation member is between 0.2 mm and 0.6 mm.

7. 2. The flat composite wire of claim 1, wherein the outer diameter of each of said cores is between 0.5 mm and 0.6 mm.

8. 2. The flat composite wire of claim 1, wherein the width of the flat composite wire is between 4.8 mm and 10 mm.

9. 2. The flat composite wire of claim 1, wherein the width of the flat composite wire is between 6.9 mm and 6.98 mm.

10. 2. The flat composite wire of claim 1, wherein the bending resistance of each of said wires is such that the number of dynamic bending cycles is greater than 10 million, and the radius of curvature of the bending is between 0.5 mm and 30 mm.

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