CN213877611U

CN213877611U - Bending-resistant light electrophone combined cable

Info

Publication number: CN213877611U
Application number: CN202023133591.XU
Authority: CN
Inventors: 李锋利; 张露; 尚娟琴; 吕伟; 梁潇; 周海涛
Original assignee: Baoji Fenghuo Electric Wire & Cable Co ltd
Current assignee: Baoji Fenghuo Electric Wire & Cable Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-03
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a bending-resistant light electrophone combined cable, which comprises a cabling wire core, wherein a first shielding layer is wrapped outside the cabling wire core, an electrical insulating layer is wrapped outside the first shielding layer, and a protective layer is arranged outside the electrical insulating layer; the cabling wire core comprises a plurality of first insulated wire cores used for micro signal transmission and current transmission and a plurality of second insulated wire cores used for strong signal transmission and current transmission. The utility model discloses the multichannel signal simultaneous transmission that the cable can realize small signal transmission and current transport and stronger signal transmission and current transport; the miniature signal wire has excellent weather resistance and flame retardant performance in the complex environment of circuit interleaving and interference signals, and the cable is light in weight, so that the high strength, bending resistance, miniature and flame retardant performance of the signal cable are realized.

Description

Bending-resistant light electrophone combined cable

Technical Field

The utility model relates to a wire and cable technical field especially relates to a light-duty electrophone combination cable of nai buckling.

Background

With the rapid development of electronic information in China, the cost is reduced, and the improvement of the performance of the finished product of the handset becomes a problem to be solved much. The using environment of the signal cable is interfered by various electromagnetic signals, and the adaptive cable is required to transmit signals in a multipath way, and the cable is light and the airborne equipment with the temperature resistance range of-50 ℃ to 150 ℃ transmits signals. Most of the existing electrophone cables are conductors with one specification, and the outside is coated with insulating materials to protect the metal wires inside, so that the purpose of signal transmission is achieved; it is seen that the signal cable of the prior art has the defects of signal transmission and single current which are difficult to meet the requirements of the signal cable of the handset.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect or not enough, the utility model aims to provide a resistant light-duty electrophone combination cable of buckling.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a bending-resistant light electrophone combined cable comprises a cabling wire core, wherein a first shielding layer is wrapped outside the cabling wire core, an electric insulating layer is wrapped outside the first shielding layer, and a protective layer is arranged outside the electric insulating layer; the cabling wire core comprises a plurality of first insulated wire cores used for micro signal transmission and current transmission and a plurality of second insulated wire cores used for strong signal transmission and current transmission.

The cabling core is composed of two first insulation cores and five second insulation cores, and the first insulation cores and the second insulation cores are arranged at intervals.

The first insulated wire core comprises a first conductive wire core formed by bundling 7 tinned round copper wires, and a first insulating layer is extruded outside the first conductive wire core; and a second shielding layer is arranged on the outer side of the first insulating layer, and a sheath is extruded on the outer side of the second shielding layer.

The first insulating layer is a polytetrafluoroethylene insulating layer, and the thickness of the first insulating layer is 0.15 mm.

The second insulation wire core comprises a second conductive wire core formed by binding 12 tinned round copper wires at a small pitch, and a second insulation layer is extruded on the outer side of the second conductive wire core.

The second insulating layer is a polytetrafluoroethylene insulating layer, and the thickness of the second insulating layer is 0.15 mm.

The first shielding layer is a shielding layer braided by 64 strands of tinned round copper wires.

The weaving density of the first shielding layer is not less than 90%; the diameter of the tinned round copper wire is 0.08 mm.

The electric insulation layer is electric isolation paper with electric insulation performance.

The protective layer is a polyurethane protective sleeve.

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

the utility model provides a bending-resistant light electrophone combined cable, which forms a cabling wire core for simultaneously transmitting a plurality of signals of micro signal transmission and current transmission and stronger signal transmission and current transmission through a first insulation wire core and a second insulation wire core; the insulating layer of the first insulating wire core of the two low-current main circuits is wound by a superfine tin-plated wire to weave a second shielding layer with higher density, and then a thin sheath which can prevent interference signals and mutual crosstalk is coated by a soft and economic polyvinyl chloride sheath material; constitute the cable sinle silk with the second insulation sinle silk of five heavy currents, seven way current transmission carries out, simultaneously in order not to influence the resilience of helix, the cable sinle silk outside adopts the winding of slight tin-plated round copper line to weave and forms first shielding layer, the first shielding layer of cable forms electrical insulation around the electric barrier paper outward, the electrical insulation of cable extrudes high wear resistance outward, good weatherability, the microbial resistance, grease resistance, the good environmental protection of water proofness, fire-retardant new polyurethane sheath, make miniature signal line crisscross at the circuit, interference signal complex environment has good weather resistance, fire behaviour, and the light in weight of cable, thereby realize signal cable high strength, resistant buckling, miniature and fire-retardant performance.

Drawings

FIG. 1 is a schematic view of the structure of the device of the present invention;

fig. 2 is a schematic structural diagram of the device of the present invention.

In the figure, 1-protective layer; 2-an electrically insulating layer; 3-a first shielding layer; 4-a second insulated wire core; 5-a first insulated wire core; 6-a second shielding layer; 7, sheathing; 4.1 — a second conductive core; 4.2 — a second insulating layer; 5.1 — a first conductive core; 5.2 — first insulating layer.

Detailed Description

The present invention will be described in detail with reference to the drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the bending-resistant light headset combined cable comprises a cabling core, wherein a first shielding layer 3 is wrapped outside the cabling core, an electrical insulating layer 2 is wrapped outside the first shielding layer 3, and a protective layer 1 is arranged outside the electrical insulating layer 2; the cabling core comprises a plurality of first insulated cores 5 for small signal transmission and current transmission and a plurality of second insulated cores 4 for strong signal transmission and current transmission.

Exemplarily, in the present invention, the cabling core is composed of two small current main loop first insulating cores 5 and five large current second insulating cores 4; preferably, the first insulated wire core 5 and the second insulated wire core 4 are arranged at intervals, and the second insulated wire core 4 is used as a center, and other six wire core circular arrays make the cable core be circular.

It should be noted that the first insulating core 5 has a direct current resistance of not more than 0.384 Ω/m at 20 ℃; the direct current resistance of the second insulated wire core 4 is not more than 0.20 omega/m at 20 ℃.

First insulation core 5 includes, and a plurality of diameters are the first conductive core 5.1 that the tinned round copper wire harness system of 0.10mm formed, first conductive core 5.1 has good electrical property and weldable performance, the extruded system has compact solid round first insulation layer 5.2 outward of first conductive core 5.1, first insulation layer 5.2 is the polytetrafluoroethylene insulating layer, the polytetrafluoroethylene insulating layer is high, low temperature resistant excellent performance, can cold-resistant-50 ℃, and the thickness of polytetrafluoroethylene insulating layer (first insulation layer 5.2) is 0.15mm for the weather resistance of cable is more superior. A second shielding layer 6 is arranged on the outer side of the first insulating layer 5.2, the second shielding layer 6 is formed by winding 24 fine tinned round copper wires on the first insulating layer 5.2 in a fine mode to form a shielding layer of a first insulating wire core, and is used for shielding external interference, and preferably, the diameter of each tinned round copper wire is 0.08 mm; a sheath 7 is extruded on the outer side of the second shielding layer 6, the sheath 7 is a flexible polyvinyl chloride sheath, the thickness of the sheath is 0.3mm, interference source crosstalk of electromagnetism and the like in the cable is avoided, and current signals are transmitted according to regulations.

Preferably, the first insulating layer 5.2 wraps the core formed by the first conductive core 5.1, and the diameter of the core is 0.60 mm.

Preferably, the conductive core 5.1 is formed by a bundle of 7 tinned round copper wires having a diameter of 0.10 mm.

The second insulated wire core comprises a second conductive wire core 4.1 formed by bundling a plurality of tinned round copper wires, and the second conductive wire core 4.1 enables the conductive wire core to have particularly excellent electrical property and weldability; a compact and round second insulating layer 4.2 is extruded on the outer side of the second conductive wire core 4.1; the second insulating layer 4.2 is a polytetrafluoroethylene insulating material insulating layer which is excellent in high and low temperature resistance and can resist cold at the temperature of minus 50 ℃, and the thickness of the polytetrafluoroethylene insulating layer (the second insulating layer 4.2) is 0.15mm, so that the weather resistance of the cable is more excellent.

Preferably, the second conductive wire core 4.1 is formed by bundling 12 tinned round copper wires with the diameter of 0.10mm at a small pitch.

The utility model discloses in, first shielding layer 3 is the shielding layer that 64 strands diameter was woven for 0.08 mm's tinned round copper wire to first shielding layer 3's weaving density is not less than 90%, makes the interference killing feature of cable more good.

The electric insulation layer 2 is electric isolation paper with electric insulation performance, the electric insulation performance of the cable is improved, and the shielding net or the insulation wire core can not be damaged when the sheath is stripped from the cable. Meanwhile, the phenomenon that the resilience performance of the cable is influenced by the fact that the cable is wound in a spiral line after being formed is avoided.

The protective layer 1 is a novel polyurethane protective sleeve extruded outside the electric insulating layer 2, so that the cable has the excellent performances of environmental protection, flame retardance, high elasticity, low temperature resistance, wear resistance, radiation resistance, oil resistance, ozone resistance and corrosion resistance. Preferably, the extruded thickness of polyurethane sheath is 0.80mm, the utility model discloses the diameter of well cable is 5.6 ~ 6.0 mm.

Therefore, the utility model adopts the micro tin-plated copper alloy to form two conductor structures (namely the first conductive wire core 5.1 and the second conductive wire core 4.1) for transmitting electric signals with different strand numbers, and adopts the polytetrafluoroethylene material with high and low temperature resistance, environmental resistance and excellent insulating property to extrude the wire cores to respectively form two insulating wire cores; wherein, the insulating layer (first insulating layer 5.2) of the first insulating wire core of two low current main circuits is externally wound by a fine tin-plated wire to weave a shielding layer (second shielding layer 6) with higher density, and then a thin sheath 7 which can prevent interference signals and mutual crosstalk is coated by a flexible and economic polyvinyl chloride sheath material; with the second insulation core 4 constitution stranding sinle silk of five heavy currents, seven way current transmission carries out, simultaneously in order not to influence the resilience of helix, the stranding sinle silk outside adopts the winding of slight tin-plated round copper line to weave and forms first shielding layer 3, the first shielding layer 3 of cable winds around the electric barrier paper outward and forms electric insulation layer 2, the electric insulation layer 2 of cable extrudes high wear resistance outward, good weatherability, the microbial resistance, oil grease resistance, the good environmental protection of water proofness, fire-retardant new polyurethane sheath, make miniature signal line crisscross at the circuit, interference signal has good weatherability under the complex environment, fire behaviour, and the light in weight of cable, thereby realize signal cable high strength, resistant buckling, miniature and fire-retardant performance.

It should be apparent to those skilled in the art that the above embodiments are only preferred embodiments of the present invention, and therefore, the modifications and changes that can be made by those skilled in the art to some parts of the present invention still embody the principles of the present invention, and the objects of the present invention are achieved, all falling within the scope of the present invention.

Claims

1. The bending-resistant light electrophone combination cable is characterized by comprising a cabling wire core, wherein a first shielding layer (3) is wrapped outside the cabling wire core, an electric insulating layer (2) is wrapped outside the first shielding layer (3), and a protective layer (1) is arranged outside the electric insulating layer (2); the cabling wire core comprises a plurality of first insulated wire cores (5) for micro signal transmission and current transmission and a plurality of second insulated wire cores (4) for strong signal transmission and current transmission.

2. The bend resistant lightweight handset combination cable as set forth in claim 1, wherein the cabled core is composed of two first insulated cores (5) and five second insulated cores (4), and the first insulated cores (5) are arranged at intervals from the second insulated cores (4).

3. A bend resistant lightweight handset combination cable as claimed in claim 1 wherein the first insulated core (5) comprises a first conductive core (5.1) of bundles of 7 tinned round copper wires, the first conductive core (5.1) being over-extruded with a first insulating layer (5.2); and a second shielding layer (6) is arranged on the outer side of the first insulating layer (5.2), and a sheath (7) is extruded on the outer side of the second shielding layer (6).

4. A bend resistant lightweight handset combination cable as claimed in claim 3 wherein the first insulating layer (5.2) is a polytetrafluoroethylene insulating layer and the thickness of the first insulating layer (5.2) is 0.15 mm.

5. The bend resistant lightweight handset combination cable as set forth in claim 1, wherein the second insulated core (4) comprises a second conductive core (4.1) of 12 tinned round copper wires bundled at a small pitch, the second conductive core (4.1) being extruded with a second insulating layer (4.2) on the outside.

6. The bend resistant lightweight handset combination cable as claimed in claim 5, wherein the second insulating layer (4.2) is a polytetrafluoroethylene insulating layer, and the second insulating layer (4.2) is each 0.15mm in thickness.

7. A bend resistant lightweight handset combination cable according to claim 1 wherein the first shield (3) is a 64-strand tin-plated round copper braided shield.

8. The bend resistant lightweight handset combination cable as claimed in claim 7, wherein the first shield layer (3) has a braid density of not less than 90%; the diameter of the tinned round copper wire is 0.08 mm.

9. A bend resistant lightweight handset combination cable according to claim 1 wherein the electrically insulating layer (2) is an electrically isolating paper having electrically insulating properties.

10. Flex-resistant lightweight handset combination cable according to claim 1, characterized in that said protective covering (1) is a polyurethane protective sheath.