CN212542030U - Twisted-pair type item-divided shielding cable - Google Patents

Abstract

The utility model discloses a pair twist type subentry shielded cable, including pair twist group, power cord and heart yearn, it has the weaving layer to be provided with between pair twist group, power cord and the heart yearn to pack the core and its outside parcel, the weaving layer outside is provided with the inner sheath, the inside enhancement wire that is provided with of inner sheath, the inner sheath outside is provided with the oversheath, the power cord adopts naked copper line, heart yearn inner conductor adopts tinned copper, the utility model discloses an inner sheath, oversheath and weaving layer that are equipped with for the cable has good high temperature resistance, insulating properties, anti-interference, fire behavior and tensile toughness, and through the pair twist group that is equipped with, can be used to reduce electromagnetic radiation and outside electromagnetic interference's influence, the better transmission of being convenient for.

Description

Twisted-pair type item-divided shielding cable

Technical Field

The utility model relates to the technical field of cables, specifically a pair twist type itemized shielded cable.

Background

Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, 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 electric wire and cable products adopted by the electric power system mainly comprise overhead bare wires, bus bars, electric power cables, branch cables, electromagnetic wires, electric equipment wires and cables for electric power equipment and the like. The electric wire and cable used in information transmission system includes local telephone cable, TV cable, electronic cable, RF cable, optical fiber cable, data cable, electromagnetic wire, power communication cable and other composite cable. With the rapid development of science and technology and economy, the requirements on cables are higher and higher in the design and construction of key foundation engineering construction.

The existing cable can only carry out single conveying function, is difficult to meet the requirement of multifunctional conveying, and has poor protective performance on the outer side of the cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pair twist type divides item shielded cable to solve current cable, can only carry out single transport function, be difficult to satisfy multi-functional transport demand and use, the relatively poor problem of cable outside barrier propterty moreover.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pair twist type subentry shielded cable, includes pair twist set, power cord and heart yearn, be provided with the packing core between pair twist set, power cord and the heart yearn and its outside parcel has the weaving layer, the weaving layer outside is provided with the inner sheath, the inside reinforcing wire that is provided with of inner sheath, the inner sheath outside is provided with the oversheath.

Furthermore, the power line adopts a bare copper wire, and the inner conductor of the core wire adopts tinned copper.

Further, the outer sheath is a PVC protective layer.

Furthermore, the inner sheath adopts a tetrafluoroethylene ethylene copolymer structure.

Furthermore, an aluminum foil shielding layer is arranged on the outer side of the twisted pair group.

Furthermore, the filling core adopts PP to weave the rope, and the filling core is provided with a plurality ofly.

Further, the inner side of the inner sheath and the inner side of the woven layer are provided with ground wires.

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

1. the utility model discloses an inner sheath, oversheath and weaving layer that are equipped with for the cable has good high temperature resistance, insulating properties, anti-interference, fire behaviour and tensile toughness, is convenient for use under adverse circumstances.

2. The utility model discloses and through the pair twisted wire group that is equipped with, can be used to reduce electromagnetic radiation and outside electromagnetic interference's influence, be convenient for better transmit, through pair twisted wire group, power cord and the heart yearn that is equipped with moreover, a ray of multi-purpose has improved the functional diversity who uses.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a cross-sectional view of the overall structure of the present invention.

In the figure: 1. a pair of twisted wire groups; 2. a power line; 3. a core wire; 4. a ground wire; 5. weaving layer; 6. an inner sheath; 7. an outer sheath; 8. filling the core; 9. an aluminum foil shielding layer; 10. the reinforcing wire.

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. 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.

Please refer to fig. 1, in the embodiment of the utility model, a pair twist type subentry shielded cable, including pair twist set 1, power cord 2 and heart yearn 3, through the pair twist set 1 that is equipped with, power cord 2 and heart yearn 3, a ray of multi-purpose functional diversity that has improved the use, pair twist set 1, it has weaving layer 5 to be provided with packing core 8 and its outside parcel between power cord 2 and the heart yearn 3, weaving layer 5 adopts the tinned copper weaving layer, be convenient for play the purpose of shielding external electromagnetic interference, the 5 outsides of weaving layer are provided with inner sheath 6, the inside enhancement wire 10 that is provided with of inner sheath 6, the 6 outsides of inner sheath are provided with oversheath 7, inner sheath 6 through being equipped with, oversheath 7 and weaving layer 5, make the cable have good high temperature resistance, insulating properties, anti-interference, flame retardant.

Preferably, the power line 2 is made of a bare copper wire, and the inner conductor of the core wire 3 is made of tinned copper, so that the power line is convenient to conduct and use.

Preferably, the outer sheath 7 is a PVC protective layer, so that high temperature resistance and insulation protection are facilitated.

Preferably, the inner sheath 6 is of a tetrafluoroethylene ethylene copolymer structure, so that the inside of the cable is protected and treated conveniently.

Preferably, an aluminum foil shielding layer 9 is arranged outside the twisted pair group 1, and each cable is shielded independently, so that mutual interference among data cables is avoided.

Preferably, the filling core 8 is a PP braided rope, and the filling core 8 is provided with a plurality of ropes, so that the inside of the cable is supported and treated conveniently.

Preferably, the inner sheath 6 and the braid 5 are provided with ground wires 4 inside for grounding to prevent electric leakage.

The utility model discloses a theory of operation and use flow: the cable has excellent high-temperature resistance, insulating property, anti-interference property, flame retardant property and tensile toughness through the inner sheath 6, the outer sheath 7 and the braid 5, and is convenient to use in severe environment; and through the pair twisted wire group 1 that is equipped with, can be used for reducing electromagnetic radiation and outside electromagnetic interference's influence, be convenient for better transmit, through pair twisted wire group 1, power cord 2 and heart yearn 3 that are equipped with moreover, the multi-purpose functional diversity who has improved the use of a ray.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a pair twist type itemized shielded cable, includes pair twist set (1), power cord (2) and heart yearn (3), its characterized in that: a filling core (8) is arranged among the twisted pair group (1), the power line (2) and the core wire (3), a weaving layer (5) is wrapped on the outer side of the filling core, an inner sheath (6) is arranged on the outer side of the weaving layer (5), a reinforcing metal wire (10) is arranged inside the inner sheath (6), and an outer sheath (7) is arranged on the outer side of the inner sheath (6).

2. A twisted split shielded cable according to claim 1, wherein: the power line (2) adopts a bare copper wire, and the inner conductor of the core wire (3) adopts tinned copper.

3. A twisted split shielded cable according to claim 1, wherein: the outer sheath (7) is a PVC protective layer.

4. A twisted split shielded cable according to claim 1, wherein: the inner sheath (6) adopts a tetrafluoroethylene ethylene copolymer structure.

5. A twisted split shielded cable according to claim 1, wherein: and an aluminum foil shielding layer (9) is arranged on the outer side of the twisted pair group (1).

6. A twisted split shielded cable according to claim 1, wherein: the filling core (8) is a PP braided rope, and the filling core (8) is provided with a plurality of.

7. A twisted split shielded cable according to claim 1, wherein: the inner side of the inner sheath (6) and the inner side of the braid (5) are provided with a ground wire (4).

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