CN212934247U

CN212934247U - Novel high-speed cable

Info

Publication number: CN212934247U
Application number: CN202021614944.5U
Authority: CN
Inventors: 方新春; 刘雅樑; 杨吉; 胡太乐
Original assignee: Huaxun Industrial Suzhou Co ltd
Current assignee: Huaxun Industrial Suzhou Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-04-09
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a novel high-speed cable, including eight pairs of line cores and two pairs of shielded wires, wherein two are arranged to the parallel symmetry formula of line core and are formed middle cable core, the outside from interior to exterior in proper order cladding inner sheath and PP around the covering of middle cable core, six pairs of line core circumference arrange in PP around the covering periphery, form signal cable sandwich layer, two pairs of shielded wires symmetry arrange in PP around the covering both sides, line core and the outside cladding inner insulating layer of shielded wire, the outside cladding weaving layer of inner insulating layer, the waterproof fire-retardant layer of the outside cladding of weaving layer, the outside cladding PVC restrictive coating of waterproof fire-retardant layer. The utility model provides a novel high-speed cable, transmission performance is higher, and shielding effect is good, the effectual EMI that has reduced disturbs numerical value to the improvement of very big degree the chance that the signal was crosstalked each other, make near section and distal end crosstalk all reach splendid improvement, have waterproof fire-retardant function concurrently, the function is various, cable long service life, the practicality is high, application prospect is wide.

Description

Novel high-speed cable

Technical Field

The utility model belongs to the technical field of, concretely relates to novel high-speed cable.

Background

As is well known, wire and cable are wire products that transmit electrical energy, electrical signals and perform electromagnetic energy conversion. The wire and cable industry occupies a huge output value of the Chinese electrical industry, and is a necessary basic product in future electrification and information-based society. Nowadays, with the rapid development of our country's economy, the demand for cables has entered a high-speed growth stage, and further improvements in cable transmission performance and shielding performance are required.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that exists among the prior art, the utility model aims to provide a novel high-speed cable.

In order to realize the above purpose, reach above-mentioned technological effect, the utility model discloses a technical scheme be:

the utility model provides a novel high-speed cable, including eight pairs of core bodies and two pairs of shielded wires, every pair of core bodies all includes two conductors that parallel symmetry was arranged, the cladding is in the outside double-deck aluminium foil layer of two conductors, be located the outside ground wire of double-deck aluminium foil layer and the cladding in the outside PET membrane of ground wire and double-deck aluminium foil layer, form triangle-like structure, wherein two pairs of core bodies parallel symmetry formula are arranged and are formed middle cable core, the outside from interior to exterior of middle cable core is cladding inner sheath and PP in proper order around the covering, six remaining pairs of core bodies circumference are arranged in PP around the covering periphery, form the signal cable sandwich layer, two pairs of shielded wires are arranged in PP weaving layer symmetry around the covering both sides, core body and the outside cladding inner insulating layer of shielded wire, the outside cladding of inner insulating layer, the waterproof fire-retardant layer of the outside.

Furthermore, the conductor is made of a tinned copper wire with the diameter of 0.285 +/-0.02 mm, and the PE insulating layer is coated outside the conductor.

Further, the thickness of the PE insulating layer is 0.40-0.45 mm.

Furthermore, six pairs of core bodies in the signal cable core layer are arranged on the periphery of the PP lapping layer at equal intervals along the circumferential direction, and the ground wires in each pair of core bodies are arranged along the direction facing the inner insulating layer.

Further, the gap between two adjacent pairs of core bodies in the signal cable core layer is not more than 12 mm.

Furthermore, the shielding wire comprises a conducting wire formed by weaving two copper-plated silk threads and a shielding layer coated outside the conducting wire.

Further, the thickness of the PVC sheath layer is not less than 0.51 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a novel high-speed cable, including eight pairs of core bodies and two pairs of shielded wires, every pair of core bodies all includes two conductors that parallel symmetry was arranged, the cladding is in two conductor outside double-deck aluminium foil layers, be located the outside ground wire of double-deck aluminium foil layer and cladding in the outside PET membrane of ground wire and double-deck aluminium foil layer, wherein two pairs of core body parallel symmetry formula are arranged and are formed middle cable core, middle cable core outside from interior to exterior is in proper order cladding inner sheath and PP around the covering, six remaining pairs of core body circumference are arranged in PP around the covering periphery, form the signal cable sandwich layer, two pairs of shielded wires symmetry are arranged in PP around the covering both sides, core body and the outside cladding inner insulating layer of shielded wire, the outside cladding of inner insulating layer, the outside waterproof fire-retardant layer of weaving layer, the outside cladding PVC restrictive coating of waterproof fire-. The utility model provides a novel high-speed cable, transmission performance is higher, and shielding effect is good, the effectual EMI that has reduced disturbs numerical value to the improvement of very big degree the chance that the signal was crosstalked each other, make near section and distal end crosstalk all reach splendid improvement, have waterproof fire-retardant, shielding function concurrently, the function is various, satisfies the demand at present, cable long service life, and the practicality is high, and application prospect is wide.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making the scope of the invention more clearly defined.

As shown in fig. 1, a novel high-speed cable comprises eight pairs of core bodies and two pairs of shielding wires, wherein the eight pairs of core bodies are respectively marked as a01, a02, a03, a04, a05, a06, a07 and a08 along a clockwise direction, each pair of core bodies comprises two conductors 8 which are symmetrically arranged in parallel, a double-layer aluminum foil layer 5 which covers the two conductors 8, a ground wire 7 which is positioned on one side of the outer portion of the double-layer aluminum foil layer 5 and a PET film 6 which covers the ground wire 7 and the outer portion of the double-layer aluminum foil layer 5, the core bodies form a triangle-like structure, wherein the two pairs of core bodies a07 and a08 are symmetrically arranged in parallel at the center of the high-speed cable to form an intermediate cable core, the inner sheath layer 11 and the PP lapping layer 10 are sequentially covered on the outer portion of the intermediate cable core from inside to outside, the remaining six pairs of core bodies (a01, a02, a03, a04, a05 and a06) are circumferentially arranged at the periphery of the PP lapping layer 10 to form a, two pairs of shielded wires are symmetrically arranged on two sides of the PP wrapping layer 10, the cable core and the shielded wire are wrapped by the inner insulating layer 4, the outer wrapping woven layer 3 of the inner insulating layer 4 is wrapped by the outer wrapping waterproof flame-retardant layer 2 of the woven layer 3, and the outer wrapping PVC sheath layer 1 of the waterproof flame-retardant layer 2 is wrapped by the outer wrapping PVC sheath layer.

Each conductor 8 is made of a tinned copper wire with the diameter of 0.285 +/-0.02 mm, the PE insulating layer 9 is coated outside each conductor 8, the double-layer aluminum foil layer 5 is arranged outside each PE insulating layer 9, the thickness of each PE insulating layer 9 is 0.40-0.45mm, the shielding effect is improved, the EMI interference value is effectively reduced, the probability of signal crosstalk is improved to a great extent, and near-section crosstalk and far-end crosstalk are improved excellently.

Six pairs of wire cores in the signal cable core layer are arranged on the periphery of the PP lapping layer 10 at equal intervals along the circumferential direction, the ground wires 7 in each pair of wire cores are arranged along the direction facing the inner insulating layer 4, and the ground wires 7 in the two pairs of wire cores in the middle cable core are arranged in a back direction, namely facing the inner protective layer 11.

The thickness of the PVC sheath layer 1 is not less than 0.51 mm.

The thickness of the waterproof flame-retardant layer 2 is 0.10-0.25 mm.

The braided layer 3 is made of tinned copper wires, and the coverage rate is 85%.

The inner insulating layer 4 is made of polyethylene and has a thickness of 0.4-0.6 mm.

The inner protective layer 11 is made of PP or PVC and has a thickness of 0.05-0.20 mm.

The shielding wire comprises a conducting wire and a shielding layer 12, wherein the conducting wire is formed by weaving two copper-plated silk threads 13 with the diameter of 0.06-0.10mm, the shielding layer 12 is coated outside the conducting wire, and the shielding layer 12 is an aluminum-plastic composite tape shielding.

The part of the utility model which is not described in detail can be realized by adopting the prior art, and the description is not repeated here.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a novel high-speed cable, a serial communication port, including eight pairs of core bodies and two pairs of shielded wires, every pair of core bodies all includes two conductors that parallel symmetry was arranged, the cladding is in the outside double-deck aluminium foil layer of two conductors, be located the outside ground wire of double-deck aluminium foil layer and the cladding in the outside PET membrane of ground wire and double-deck aluminium foil layer, form class triangle-shaped structure, wherein two pairs of core bodies symmetry is stacked in cable central point, form middle cable core, the outside from interior to exterior cladding inner sheath and PP of middle cable core are around the covering in proper order, remaining six pairs of core bodies circumference are arranged around the covering periphery in PP, form signal cable sandwich layer, two pairs of shielded wires are arranged symmetrically in PP around the covering both sides, core body and the outside cladding inner insulating layer of shielded wire, the outside cladding weaving layer of inner insulating layer, the outside waterproof fire-retardant layer of weaving layer.

2. The novel high-speed cable according to claim 1, wherein the conductor is made of a tin-plated copper wire with a diameter of 0.285 ± 0.02mm, and the conductor is coated with a PE insulating layer.

3. A new high-speed cable according to claim 2, characterized in that the thickness of the PE insulation is 0.40-0.45 mm.

4. The novel high-speed cable according to claim 1, wherein six pairs of core bodies in the signal cable core layer are arranged on the periphery of the PP wrapping layer at equal intervals along the circumferential direction, and the ground wire in each pair of core bodies is arranged along the direction towards the inner insulating layer.

5. A novel high-speed cable according to claim 4, wherein the gap between two adjacent pairs of core bodies in the core layer of the signal cable is not greater than 12 mm.

6. The novel high-speed cable according to claim 1, wherein the shielding wire comprises a conducting wire braided by two copper-plated silk wires and a shielding layer coated outside the conducting wire.

7. The novel high-speed cable according to claim 1, wherein the thickness of the PVC sheath layer is not less than 0.51 mm.