CN213601636U - Novel super gentle fire-retardant yarn of weaving - Google Patents

Abstract

The utility model discloses a novel super gentle fire-retardant yarn of weaving, including heart yearn, shielding layer and weaving the yarn, this heart yearn includes conductor core and the internal insulation layer of cladding on the conductor core, and many heart yearns transposition form the signal line together, and this signal line outside has set gradually the shielding layer and has woven the yarn, and its conductor core includes many wires and stranded reinforcing fiber, and many wires and stranded reinforcing fiber evenly distributed form the conductor core together with the transposition. The utility model discloses a set up the mode of reinforcing fiber and wire transposition, strengthened the intensity and the pliability of heart yearn in the fully dispersed wire, have better thermal-insulated fire-retardant shielding effect, and the wire dispersion is in reinforcing fiber, effectively avoids the skin effect that signal or electric current produced in the wire transmission, has strengthened the transmission ability of wire.

Description

Novel super gentle fire-retardant yarn of weaving

Technical Field

The utility model relates to a super gentle fire-retardant weaving yarn makes technical field, concretely relates to novel super gentle fire-retardant weaving yarn.

Background

As an important medium for signal transmission, a communication cable requires a higher transmission performance, and at the same time, the requirements for signal insulation, shielding and flame retardance of the cable and components thereof are higher and higher, and changing the cladding composition and structure of the periphery of the cable is an important way to improve the insulation and shielding performance of the cable. The cable may be manufactured or constructed from a number of different metals and metal alloys, and these conductor metals and metal alloys used to manufacture the cable must generally be ductile and have sufficient tensile strength. Core conductors, whose main metals include copper, aluminum, silver and platinum or alloys such as brass and bronze, are also used for manufacturing cables. While the outer covering is mainly of various plastics or partially ceramic materials, among which plastics are more used as cable outer covering because of more excellent processing and forming properties.

Cables (cables) can be divided into solid cables, i.e., single strand cables, and stranded cables. The solid cable and the solid cable have simple manufacturing process and low cost, but have poor flexibility, and are mainly used for long-distance fixed communication or electric signal transmission. Typically, cables and cables (particularly high frequency, high bandwidth cables and cables) are braided and twisted. A braided cable comprises a plurality of smaller cables bundled together. Braided cables have better flexibility than solid core cables at the same diameter. However, smaller cords reduce the strength of the cable and fail due to more stretching or bending during use.

A layer of non-conductive material is uniformly and hermetically wrapped on the periphery of the lead to serve as an insulating outer cladding of a conductor of the cable, and resin, plastic, silicon rubber, PVC and the like are most used at present; the insulating layer can improve the strength of the cable and protect the inner conductor of the cable from being broken off besides preventing accidents such as electric leakage, short circuit, electric shock and the like caused by the contact of the conductor and the outside. The polyvinyl chloride insulated flexible wire has good electrical insulation performance, physical and mechanical performance and non-flame retardant performance, and is soft, safe and convenient to use. However, in view of the current large capacity, high frequency and bandwidth, the flame retardant property is obviously not satisfactory, and the matching of the shielding layer is also insufficient, and the development of the composite insulating material with better comprehensive properties is needed.

In order to enable the insulating outer cladding layer of the cable to have better comprehensive performance, the shielding layer is easy to shrink and deform after the cable is used for a long time, so that the attaching degree of the bent cable and the outer cladding layer is greatly reduced, the conductor local current play is increased, the electromagnetic wave loss is increased, the shielding flame retardant property is reduced, the normal transmission of the conductor to signals is influenced, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

To the shortcoming among the prior art, the utility model provides a novel super gentle fire-retardant yarn of weaving.

The utility model discloses a novel super gentle fire-retardant yarn of weaving realizes through following technical scheme:

the novel super-flexible flame-retardant braided yarn comprises a core wire, a shielding layer and braided yarn, wherein the core wire comprises a conductor core and an inner insulating layer coated on the conductor core; the core wires are twisted together to form a signal wire, and the shielding layer and the braided yarns are sequentially arranged outside the signal wire; the conductor core comprises a plurality of wires and a plurality of strands of reinforcing fibers, and the wires and the reinforcing fibers are uniformly distributed and twisted together to form the conductor core. Through the mode that sets up reinforcing fiber and wire transposition, strengthened the intensity and the pliability of heart yearn in the fully dispersed wire, have better thermal-insulated fire-retardant shielding effect, and the wire dispersion is in reinforcing fiber, effectively avoids the skin effect that signal or electric current produced in the wire transmission, has strengthened the transmission ability of wire.

Further, the reinforced fiber is one or a mixture of an anti-stretch yarn, a polyamide fiber and a Kevlar wire, and the fiber fineness specification of the reinforced fiber is 150D-250D; the lead is red copper or tinned copper with the diameter of 0.06 mm-0.12 mm; more preferably, the fiber fineness specification is 180D, 200D, 220D; the diameter of the lead is 0.08mm and 0.1 mm.

Preferably, the number of the conducting wires is nineteen, two to three conducting wires are uniformly distributed in a plurality of the reinforcing fibers to form a conducting wire bundle, and the conducting wire bundle is twisted to form the conductor core; the wires are uniformly distributed in the reinforced fibers, so that the wires have the maximum signal transmission function, and meanwhile, the heating can be well avoided, and the loss is reduced.

Preferably, the inner insulating layer is made of fluorinated ethylene propylene copolymer, and has good tensile strength, wear resistance and creep resistance, and excellent chemical inertness without ignition so as to prevent flame from diffusion combustion.

Furthermore, the signal line is composed of four core wires which are mutually twisted side by side, a filler is arranged between the core wires, the filler is formed by mixing and filling silicone oil and talcum powder according to a certain proportion, and the weight proportion of the silicone oil to the talcum powder is 1: 8-10; the signal line has high heat resistance, water resistance and electric insulation by arranging the filler, has high capacity, and has small heat generation and small signal loss.

Furthermore, the shielding layer comprises shielding wires and reinforcing wires, the shielding wires and the reinforcing wires are formed by weaving twill, the shielding wires are metal conductors, preferably tin-plated copper, and the reinforcing wires are nylon, polyurethane or reinforcing fibers; preferably, the shielding layer is a single shielding wire; using a twill weave construction, which weaving, a so-called weaving process, weaving method or weaving technique, involves entangling elongated material such that the elongated material is wound in a structural pattern, which is the weaving pattern; including French knitting, Kumihimo knitting, and fingerlop knitting. Other known weaving techniques in different technical fields may also be used here.

Preferably, the diameter of the shielding wire is 0.04mm to 0.08mm, and the diameter is more preferably 0.06 mm; nine shielding wires are adopted to form one group, the shielding wires are twisted and woven mutually, and sixteen groups are formed by twill weaving of the shielding wires. Adopt multiunit shielded wire twill to weave and form, when guaranteeing that the shielded wire has best shielding effect, its shielding layer intensity also obtains guaranteeing, adopts sixteen groups of shielded wire together simultaneously, can make the heart yearn keep best square arrangement structure, also can effectively guarantee the dispersibility of filler between the heart yearn.

Furthermore, the knitting yarn is made of polyphenylene sulfide silk threads, the fineness specification of the polyphenylene sulfide silk threads is 700D-800D, the preferable fineness specification is 750D, and the knitting yarn is knitted by thirty-two polyphenylene sulfide silk threads. The weaving process includes French weaving, Kumihimo weaving, and fingerlop weaving. The polyphenylene sulfide high-performance thermoplastic resin has the advantages of high mechanical strength, high temperature resistance, chemical resistance, flame retardancy and the like, can effectively protect a core wire and a shielding layer, and can realize more than 98% shielding rate on the shielding layer by adopting thirty-two braids, thereby achieving higher flame retardant effect, wherein the flame retardant grade is far higher than UL: flame resistance rating of VW-1 wire.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a novel super gentle fire-retardant weaving yarn is through setting up many wires and stranded reinforcing fiber evenly distributed and the structure that the transposition forms the conductor core together, through the mode that sets up reinforcing fiber and wire transposition, has strengthened the intensity and the pliability of heart yearn in the fully dispersed wire, has better thermal-insulated fire-retardant shielding effect, and the wire dispersion is in reinforcing fiber, effectively avoids the skin effect that signal or electric current produced in the wire transmission, has strengthened the transmission ability of wire.

2. The filler of silicone oil and talcum powder is arranged between the core wires, the filler enables the signal wire to have high heat resistance, water resistance and electric insulation, and the signal wire has high capacity, small heat productivity and small signal loss.

3. The shielding layer adopts multiunit shielded wire twill to weave and forms, when guaranteeing that the shielded wire has best shielding effect, its shielding layer intensity also obtains guaranteeing, adopts sixteen groups of shielded wire together simultaneously, can make the heart yearn keep best square arrangement structure, also can effectively guarantee the dispersibility of filler between the heart yearn.

4. The braided yarn is made of polyphenylene sulfide high-performance thermoplastic resin, has the advantages of high mechanical strength, high temperature resistance, chemical resistance, flame retardancy and the like, can effectively protect a core wire and a shielding layer, and can realize more than 98% shielding rate on the shielding layer by adopting thirty-two braiding, so that a higher flame retardant effect is achieved, and the flame retardant grade of the flame retardant is far higher than that of UL: flame resistance rating of VW-1 wire.

Drawings

FIG. 1 is a schematic view of the novel ultra-soft flame retardant braided yarn;

FIG. 2 is a signal line layout of the novel ultra-soft flame retardant braided yarn;

FIG. 3 is a schematic illustration of the core of the novel ultra-soft flame resistant braided yarn;

FIG. 4 is a conductor pattern of the novel ultra-soft flame resistant braided yarn;

FIG. 5 is a schematic representation of a bundle of wires of the novel ultra-soft flame resistant braided yarn;

FIG. 6 is a schematic representation of the strand twisting of the novel ultra-soft flame resistant braided yarn;

fig. 7 is a schematic diagram of the twisting of the shield wires of the novel ultra-soft flame retardant braided yarn.

Reference numerals: 1-conductor core, 11-wire, 111-first wire, 112-second wire, 113-third wire, 12-reinforcing fiber, 13-wire bundle; 2-an inner insulating layer; 3-shielding layer, 31-shielding wire, 32-reinforcing wire; 4-weaving yarns; 5-a filler; 6-a core wire; 7-signal line.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the utility model provides a novel super soft flame retardant braided yarn, which comprises a core wire 6, a shielding layer 3 and a braided yarn 4, wherein the core wire 6 comprises a conductor core 1 and an inner insulating layer 2 coated on the conductor core 1; a plurality of core wires 6 are twisted together to form a signal wire 7, and a shielding layer 3 and a braided yarn 4 are sequentially arranged outside the signal wire 7; the conductor core 1 includes a plurality of wires 11 and a plurality of strands of reinforcing fibers 12, and the plurality of wires 11 and the plurality of strands of reinforcing fibers 12 are uniformly distributed and twisted together to form the conductor core 1. Through the mode that sets up reinforcing fiber and wire transposition, strengthened the intensity and the pliability of heart yearn in the fully dispersed wire, have better thermal-insulated fire-retardant shielding effect, and the wire dispersion is in reinforcing fiber, effectively avoids the skin effect that signal or electric current produced in the wire transmission, has strengthened the transmission ability of wire. The reinforced fiber 12 is one or a mixture of bulletproof silk, polyamide fiber and Kevlar wire drawing, and the fiber fineness specification of the reinforced fiber 12 is 150D-250D; the lead 11 is red copper or tinned copper with the diameter of 0.06 mm-0.12 mm; more preferably, the fiber fineness specification is 180D, 200D, 220D; the diameter of the wire 11 is 0.08mm and 0.1 mm. The knitting yarn 4 is made of polyphenylene sulfide silk threads, the fineness specification of the polyphenylene sulfide silk threads is 700D-800D, the preferable fineness specification is 750D, and the knitting yarn 4 is knitted by thirty-two polyphenylene sulfide silk threads. Knitting processes include French knitting, Kumihimo knitting, and fingerlop knitting. The polyphenylene sulfide high-performance thermoplastic resin has the advantages of high mechanical strength, high temperature resistance, chemical resistance, flame retardancy and the like, can effectively protect a core wire and a shielding layer, and can realize more than 98% shielding rate on the shielding layer by adopting thirty-two braids, thereby achieving higher flame retardant effect, wherein the flame retardant grade is far higher than UL: flame resistance rating of VW-1 wire.

As shown in fig. 5 and 6, the number of the wires 11 is nineteen, and two to three wires 11 are uniformly distributed in the plurality of reinforcing fibers 12 to form a wire bundle 13, wherein the first wire 111, the second wire 112 and the third wire 113 are arranged side by side with the reinforcing fibers 12 in one wire bundle 13, and the other wire bundles 13 are also arranged side by side with the plurality of wires 11 in the reinforcing fibers 12; a plurality of conductor bundles 13 are twisted to form a conductor core 1; the wires are uniformly distributed in the reinforced fibers, so that the wires have the maximum signal transmission function, and meanwhile, the heating can be well avoided, and the loss is reduced. The inner insulating layer 2 is made of fluorinated ethylene propylene copolymer, and has good tensile strength, wear resistance and creep resistance, excellent chemical inertness without ignition, so as to prevent flame from diffusing and burning. As shown in fig. 4, the signal line 7 is composed of two four core wires 6 twisted side by side, a filler 5 is arranged between the core wires 6, the filler 5 is formed by mixing and filling silicone oil and talcum powder according to a certain proportion, and the weight proportion of the silicone oil to the talcum powder is 1: 8-10; the signal line has high heat resistance, water resistance and electric insulation by arranging the filler, has high capacity, and has small heat generation and small signal loss.

As shown in fig. 1 and 7, the shielding layer 3 includes shielding wires 31 and reinforcing wires 32, the shielding wires 31 and the reinforcing wires 32 are formed by twill weaving, the shielding wires 31 are metal conductors, preferably tin-plated copper, and the reinforcing wires 32 are nylon, polyurethane or reinforcing fibers 12; the shielding layer 3 is preferably a single shielding wire 31; weaving, so-called braiding process, braiding method or braiding technique, involves entangling elongated material, such that the elongated material is wound in a structural pattern, i.e. a weaving pattern; including French knitting, Kumihimo knitting, and fingerlop knitting. Other known weaving techniques in different technical fields may also be used here. The diameter of the shielded wire 31 is 0.04mm to 0.08mm, and the diameter is more preferably 0.06 mm; nine shielding wires 31 are adopted as one group, and the two groups of shielding wires 31 are twisted and woven with each other, and the total of sixteen groups of shielding wires 31 are formed by twill weaving. Adopt multiunit shielded wire twill to weave and form, when guaranteeing that the shielded wire has best shielding effect, its shielding layer intensity also obtains guaranteeing, adopts sixteen groups of shielded wire together simultaneously, can make the heart yearn keep best square arrangement structure, also can effectively guarantee the dispersibility of filler between the heart yearn.

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 (10)

1. The utility model provides a novel fire-retardant braided yarn of super gentle, includes heart yearn (6), shielding layer (3) and braided yarn (4), its characterized in that: the core wire (6) comprises a conductor core (1) and an inner insulating layer (2) coated on the conductor core (1); the core wires (6) are twisted together to form a signal wire (7), and the shielding layer (3) and the braided yarn (4) are sequentially arranged outside the signal wire (7); the conductor core (1) comprises a plurality of wires (11) and a plurality of strands of reinforcing fibers (12), wherein the wires (11) and the reinforcing fibers (12) are uniformly distributed and twisted together to form the conductor core (1).

2. The novel ultra-soft flame retardant braided yarn of claim 1, wherein: the reinforced fiber (12) is one or a mixture of bulletproof silk, polyamide fiber and Kevlar wire, and the fiber fineness specification of the reinforced fiber (12) is 150D-250D.

3. The novel ultra-soft flame-retardant braided yarn of claim 1, wherein: the lead (11) is red copper or tinned copper with the diameter of 0.06 mm-0.12 mm.

4. The novel ultra-soft flame retardant braided yarn of claim 1 or 3, wherein: the number of the conducting wires (11) is nineteen, two to three conducting wires (11) are uniformly distributed in a plurality of reinforcing fibers (12) to form conducting wire bundles (13), and the conducting wire bundles (13) are twisted to form the conductor core (1).

5. The novel ultra-soft flame retardant braided yarn of claim 1, wherein: the inner insulating layer (2) is made of fluorinated ethylene propylene copolymer.

6. The novel ultra-soft flame retardant braided yarn of claim 1, wherein: the signal wire (7) is composed of four core wires (6) which are mutually stranded side by side, and a filler (5) is arranged between the core wires (6).

7. The novel ultra-soft flame retardant braided yarn of claim 6, wherein: the filler (5) is a mixture of silicone oil and talcum powder.

8. The novel ultra-soft flame retardant braided yarn of claim 1, wherein: the shielding layer (3) comprises shielding wires (31) and reinforcing wires (32), and the shielding wires (31) and the reinforcing wires (32) are formed by twill weaving.

9. The novel ultra-soft flame retardant braided yarn of claim 8, wherein: the shielding wire (31) is tin-plated copper, and the reinforcing wire (32) is nylon, polyurethane or reinforcing fiber (12).

10. The novel ultra-soft flame retardant braided yarn of claim 1, wherein: the knitting yarn (4) is made of polyphenylene sulfide silk threads, and the fineness specification of the polyphenylene sulfide silk threads is 700D-800D.

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