CN213583152U

CN213583152U - High-frequency multi-strand cable

Info

Publication number: CN213583152U
Application number: CN202023222423.8U
Authority: CN
Inventors: 陆磊; 韩志忠
Original assignee: Luoyang Yilan Electric Wire & Cable Co ltd
Current assignee: Luoyang Yilan Electric Wire & Cable Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-06-29
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a high frequency stranded cable, include: the novel cable comprises a central conductor, an inner insulating layer and an outer insulating layer, wherein the central conductor is formed by twisting a plurality of conductor sets, each conductor set is formed by twisting two conductors, the inner insulating layer is arranged on the outer side of the central conductor, a shielding layer is arranged on the outer side of the inner insulating layer, an outer sheath is arranged on the outer side of the shielding layer, and a strip-shaped reinforcing strip is arranged on the inner surface wall of the outer sheath. The utility model discloses in, be provided with a plurality of on the interior table wall of oversheath and be the bar reinforcement strip that the annular is respectively, the bar sets up of reinforcement strip, can improve the intensity of oversheath on the one hand, thereby improved the anti dilatability of this high frequency stranded cable on the whole, improve its security of erectting the use, possess and prevent the fracture effect, and through the setting of bar sand grip, make to have the cavity between oversheath and the band, thereby improve the deformation scope of this high frequency stranded cable, improve its anti extrusion ability.

Description

High-frequency multi-strand cable

Technical Field

The utility model relates to a high frequency cable technical field especially relates to a high frequency stranded cable.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and the cable can be a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a high-frequency cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

The existing high-frequency multi-strand cable is formed by twisting conducting wires once, the overall compactness is low, a wire stripping processing conductor is easy to loosen, the overall strength of the cable is low, the cable is easy to break in the laying and using process, and the deformation capacity of the cable is poor, so that the anti-extrusion capacity of the cable is poor, and the requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high frequency stranded cable, central conductor are formed by the transposition of a plurality of wire group, and every wire group is formed by two wire transposition, and such transposition mode is the secondary transposition, and it is close to possess the lay length, and compactness is high, and anti-oxidant strong, electrically conductive strong, and dial the line and do not have loose phenomenon, have improved this high frequency stranded cable's life.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high frequency multi-strand cable comprising: a center conductor, an inner insulating layer, and an outer insulating layer;

the central conductor is formed by twisting a plurality of lead groups, and each lead group is formed by twisting two leads;

an inner insulating layer is arranged outside the central conductor, a shielding layer is arranged outside the inner insulating layer, and an outer sheath is arranged outside the shielding layer;

the inner surface wall of the outer sheath is provided with a strip-shaped reinforcing strip, and the strip-shaped reinforcing strip and the outer sheath are of an injection molding integrated forming structure.

As a further description of the above technical solution:

an outer insulating layer is further arranged on the outer wall of the shielding layer and located inside the outer sheath, and wrapping belts are wrapped inside the outer insulating layer and located inside the outer sheath.

As a further description of the above technical solution:

the bar reinforcing strip is provided with a plurality of altogether, and a plurality of bar reinforcing strip is the annular and distributes, and the interval between two adjacent bar reinforcing strips equals.

As a further description of the above technical solution:

the shielding layer is made of tinned copper wires.

As a further description of the above technical solution:

the outer sheath is made of polyethylene material.

The utility model provides a high frequency stranded cable. The method has the following beneficial effects:

(1) this high frequency stranded cable, central conductor are twisted by a plurality of wire group and are formed, and every wire group is twisted by two wires and forms, and such transposition mode is the secondary transposition, possesses that the lay length is dense, and the compactness is high, and anti-oxidant is strong, electrically conducts the reinforce, and dial the line and do not have loose phenomenon, has improved this high frequency stranded cable's life.

(2) This high frequency stranded cable, it is the annular respectively bar reinforcing strip to be provided with a plurality of on the interior table wall of oversheath, the setting of bar reinforcing strip can improve the intensity of oversheath on the one hand, thereby improved the anti dilatability of this high frequency stranded cable on the whole, improve its security of erectting the use, possess and prevent the fracture effect, and through the setting of bar sand grip, make to have the cavity between oversheath and the band, thereby improve the deformation scope of this high frequency stranded cable, improve its anti extrusion ability.

Drawings

Fig. 1 is a schematic structural diagram of a high-frequency multi-strand cable according to the present invention;

fig. 2 is an interface diagram of a high-frequency multi-strand cable according to the present invention;

FIG. 3 is a schematic structural diagram of a lead set according to the present invention;

fig. 4 is a schematic structural view of a lead wire in the present invention;

fig. 5 is a schematic structural view of the outer sheath of the present invention.

Illustration of the drawings:

1. a center conductor; 11. a wire group; 111. a wire; 2. an inner insulating layer; 3. a shielding layer; 4. an outer insulating layer; 5. wrapping belts; 6. an outer sheath; 61. and a strip-shaped reinforcing strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a high frequency multi-strand cable includes: a central conductor 1, an inner insulating layer 2 and an outer insulating layer 4;

the central conductor 1 is formed by twisting a plurality of lead groups 11, and each lead group 11 is formed by twisting two leads 111;

an inner insulating layer 2 is arranged outside the central conductor 1, a shielding layer 3 is arranged outside the inner insulating layer 2, and an outer sheath 6 is arranged outside the shielding layer 3;

the inner surface wall of the outer sheath 6 is provided with a strip-shaped reinforcing strip 61, and the strip-shaped reinforcing strip 61 and the outer sheath 6 are of an injection molding integrated forming structure.

An outer insulating layer 4 is further arranged on the outer surface wall of the shielding layer 3 and located inside the outer sheath 6, and a wrapping tape 5 wraps the outer surface wall of the outer insulating layer 4 and located inside the outer sheath 6.

The bar-shaped reinforcing strips 61 are provided with a plurality of reinforcing strips, the plurality of bar-shaped reinforcing strips 61 are distributed in an annular shape, and the distance between every two adjacent bar-shaped reinforcing strips 61 is equal.

The shielding layer 3 is made of a tinned copper wire.

The outer sheath 6 is made of polyethylene material.

The working principle is as follows: in the high-frequency multi-strand cable, a central conductor 1 is formed by twisting a plurality of lead groups 11, each lead group 11 is formed by twisting two leads 111, the twisting mode is secondary twisting, has dense twisting distance, high compactness, strong oxidation resistance and strong electric conduction, has no loose phenomenon of wire pulling, prolongs the service life of the high-frequency multi-strand cable, and the inner surface wall of the outer sheath 6 is provided with a plurality of annular bar-shaped reinforcing bars 61, the arrangement of the bar-shaped reinforcing bars 61 can improve the strength of the outer sheath 6 on one hand, thereby integrally improving the anti-drag performance of the high-frequency multi-strand cable, improving the erection and use safety of the high-frequency multi-strand cable, having the anti-fracture effect, and through the arrangement of the strip-shaped reinforcing strip 61, a cavity is formed between the outer sheath 6 and the wrapping tape 5, so that the deformation range of the high-frequency multi-strand cable is enlarged, and the extrusion resistance of the high-frequency multi-strand cable is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high frequency multi-strand cable, comprising: a central conductor (1), an inner insulating layer (2) and an outer insulating layer (4);

the central conductor (1) is formed by twisting a plurality of lead groups (11), and each lead group (11) is formed by twisting two leads (111);

an inner insulating layer (2) is arranged on the outer side of the central conductor (1), a shielding layer (3) is arranged on the outer side of the inner insulating layer (2), and an outer sheath (6) is arranged on the outer side of the shielding layer (3);

the outer sheath is characterized in that a strip-shaped reinforcing strip (61) is arranged on the inner surface wall of the outer sheath (6), and the strip-shaped reinforcing strip (61) and the outer sheath (6) are of an injection molding integrated forming structure.

2. A high frequency multi-strand cable according to claim 1, wherein an outer insulating layer (4) is further provided on the outer surface wall of the shielding layer (3) inside the outer sheath (6), and a tape (5) is wrapped on the outer surface wall of the outer insulating layer (4) inside the outer sheath (6).

3. A high-frequency multi-strand cable according to claim 1, wherein a plurality of the strip-shaped reinforcing strips (61) are arranged, and the plurality of the strip-shaped reinforcing strips (61) are distributed in a ring shape, and the distance between two adjacent strip-shaped reinforcing strips (61) is equal.

4. A high frequency multi-strand cable according to claim 1, characterized in that the shielding layer (3) is made of tin-plated copper wire.

5. A high frequency multi-strand cable according to claim 1, characterized in that the outer sheath (6) is made of polyethylene material.