CN208225597U - Indoor multiple twin high frequency communications line - Google Patents

Abstract

The utility model discloses a kind of indoor multiple twin high frequency communications lines, it includes four bursts of set of twisted pair, belting layer, tinned copper braid, aluminium foil layer and PVC serving, four bursts of set of twisted pair are mutually twisted and form core wire group, and the belting layer, tinned copper braid, aluminium foil layer and PVC serving are successively coated in core wire group；The structure design of the utility model is reasonable, is integrally divided into four bursts of set of twisted pair, comes so that each signal wire is spaced, effectively promotion anti-interference ability；And successively it is coated with belting layer, tinned copper braid, aluminium foil layer and PVC serving; it is isolated by tinned copper braid and aluminium foil layer; shield effectiveness is good; anti-radiation and anti-interference ability is further promoted, reduces external interference, and cladding protection is carried out to set of twisted pair by belting layer and PVC serving; with preferable oil resistivity, chemical resistance and the performances such as wear-resisting; good toughness, it is tear-resistant, greatly prolong the service life of cable.

Description

Indoor multiple twin high frequency communications line

Technical field

The utility model relates to set of twisted pair field of cable technology, and in particular to a kind of indoor multiple twin high frequency communications line.

Background technique

Although a wires and cables industry only mating industry, in occupation of the output value of Chinese electrician trade 1/4.Its product Huge number, application range is very extensive, is related to the industries such as electric power, building, communication, manufacture, each portion with national economy Door is all closely related.Wire and cable is also known as " artery " and " nerve " of national economy, is conveying electric energy, transmitting information and system Various motors, instrument, instrument are made, the indispensable basic equipment of electromagnetic energy conversion institute is realized, is the following electrified, information Change necessary basic product in society.

Existing common high frequency communications line is usually made of conduction copper core and insulating layer.It is well known that the electricity of this structure Line can generate electromagenetic wave radiation when being powered itself, while itself can also be interfered by the electromagnetic wave of other electronic building bricks, with Cause the normal work for often influencing communication apparatus because of Electromagnetic Interference in use.I.e. its anti-interference is poor, is easy by outer Boundary influences, and influences the transmission of signal.

Utility model content

In view of the above deficiencies, the purpose of the utility model is to provide a kind of reasonable in design, strong interference immunity, screens Cover the good indoor multiple twin high frequency communications line of effect.

To achieve the above object, technical solution provided by the utility model is: a kind of indoor multiple twin high frequency communications line, It includes four bursts of set of twisted pair, belting layer, tinned copper braid, aluminium foil layer and PVC serving, and four bursts of set of twisted pair are mutually twisted shape At core wire group, the belting layer, tinned copper braid, aluminium foil layer and PVC serving are successively coated in core wire group, the PVC Serving with a thickness of 7.7~7.9mm, the set of twisted pair includes outside two strands of conducting wires and the aluminium foil that is coated on two strands of conducting wires Quilt.

As a kind of improvement of the utility model, the conducting wire includes conductor and the PVC insulating layer that is coated on conductor.

As a kind of improvement of the utility model, the PVC insulating layer with a thickness of 1.0~1.1mm.

As a kind of improvement of the utility model, the belting layer with a thickness of 0.2~0.3mm.

As a kind of improvement of the utility model, the tinned copper braid with a thickness of 0.2~0.3mm.

As a kind of improvement of the utility model, the aluminium foil layer with a thickness of 0.1~0.2mm.

As a kind of improvement of the utility model, the outer surface of the PVC serving is prolonged equipped with a plurality of along its axial direction The raised line stretched, the raised line are embedded with ground line.One end of ground line is connected with tinned copper braid, other end ground connection, more Shield effectiveness, strong antijamming capability can be promoted.

The utility model has the following beneficial effects: the structure design of the utility model is reasonable, integrally it is divided into four bursts of set of twisted pair, makes It obtains each signal wire and is spaced, effectively promotion anti-interference ability；And successively it is coated with belting layer, tinned copper braid, aluminium foil Layer and PVC serving, be isolated by tinned copper braid and aluminium foil layer, shield effectiveness is good, further promoted it is anti-radiation and Anti-interference ability reduces external interference, and carries out cladding protection to set of twisted pair by belting layer and PVC serving, has Preferable oil resistivity, chemical resistance and the performances such as wear-resisting, good toughness is tear-resistant, greatly prolongs the service life of cable；And it is double Conducting wire in twisted wire group is also wrapped on the outer quilt of aluminium foil, can more promote shielding properties, have preferable anti-interference ability, greatly improve The efficiency and quality of data transmission, conducive to being widely used to promote.

With reference to the accompanying drawing with embodiment, the present invention will be further described.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Specific embodiment

Referring to Fig. 1, a kind of indoor multiple twin high frequency communications line provided in this embodiment comprising four bursts of set of twisted pair 1, packet Belt 2, tinned copper braid 3, aluminium foil layer 4 and PVC serving 5, four bursts of 1 phases of set of twisted pair are twisted to form core wire group, the packet Belt 2, tinned copper braid 3, aluminium foil layer 4 and PVC serving 5 are successively coated in core wire group, the design of the utility model structure Rationally, integrally it is divided into four bursts of set of twisted pair 1, comes so that each signal wire is spaced, effectively promotion anti-interference ability；And it successively wraps It is covered with belting layer 2, tinned copper braid 3, aluminium foil layer 4 and PVC serving 5, is carried out by tinned copper braid 3 and aluminium foil layer 4 Isolation, shield effectiveness is good, further promotes anti-radiation and anti-interference ability, reduces external interference, and pass through 2 He of belting layer PVC serving 5 carries out cladding protection to set of twisted pair 1, has preferable oil resistivity, chemical resistance and the performances such as wear-resisting, toughness It is good, it is tear-resistant, greatly prolong the service life of cable.

The set of twisted pair 1 includes that two strands of conducting wires 11 and the aluminium foil being coated on two strands of conducting wires 11 are outer by 12.The conducting wire 11 include conductor and the PVC insulating layer being coated on conductor.Conducting wire 11 in set of twisted pair 1 is also wrapped on outside aluminium foil by 12, more Shielding properties can be promoted, there is preferable anti-interference ability, greatly improves the efficiency and quality of data transmission.

Preferably, the PVC serving 5 with a thickness of 7.7~7.9mm, preferably 7.8mm.The thickness of the PVC insulating layer Degree is 1.0~1.1mm, preferably 1.0mm.The belting layer 2 with a thickness of 0.2~0.3mm, preferably 0.2mm.It is described tin plating Copper braiding layer 3 with a thickness of 0.2~0.3mm, preferably 0.3mm.The aluminium foil layer 4 with a thickness of 0.1~0.2mm, preferably 0.15mm。

Preferably, being equipped with a plurality of edge in the outer surface of the PVC serving 5 further to promote wear-resisting and tension effect The raised line (not shown) that its axial direction extends.Raised line can enhance tensile property, and when in use, be raised line first with it is other Article or basal plane are in contact, and avoid directly contacting with PVC serving 5, promote service life.In addition it is also embedded with and connects in the raised line Ground wire.One end of ground line is connected with tinned copper braid 3, other end ground connection can more promote shield effectiveness, anti-interference energy Power is strong.Alternatively, it is also possible to be equipped with the helical form raised line of winding on its outer surface on the PVC serving 5, whole is in spring Shape is set on PVC serving 5.Helical form raised line can promote wearability and anti-pull property, and not influence flexibility, preferably, Ground line yet is being embedded in helical form raised line.One end of ground line is connected with tinned copper braid 3, another termination Ground can more promote shield effectiveness, strong antijamming capability.

Preferably, the indoor multiple twin high frequency communications line of the utility model can also be between aluminium foil layer 4 and PVC serving 5 It is rectangular steel wire equipped with cross-sectional profile profile, which extends along the axial direction of PVC serving 5.It is equipped with steel wire, While enhancing tensile property, also facilitate when tearing steel wire, quickly peels off PVC serving 5, offer convenience to wiring process. It is of course also possible to be coated with polyester fiber braiding layer in the outer surface of PVC serving 5, protection PVC serving 5 is not affected or less affected by The erosion of various light, heat, tide, low temperature, Acid-base Gas etc. and the damage of external mechanical power, it is ensured that safety of the cable in adverse circumstances Operation, further prolongs the service life.For the fiting effect for promoting PVC serving 5 and polyester fiber braiding layer, the quilt outside PVC The outer surface of layer 5 is covered with the salient point that can be caught in the mesh of the polyester fiber braiding layer.

According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent It is used some specific terms in pipe this specification, these terms are merely for convenience of description, not to the utility model Constitute any restrictions.As described in the utility model above-described embodiment, using other obtained from same or similar structure The wire and cable of structure, in scope of protection of the utility model.

Claims (7)

1. a kind of indoor multiple twin high frequency communications line, which is characterized in that it includes four bursts of set of twisted pair, belting layer, tin-coated copper volume Tissue layer, aluminium foil layer and PVC serving, four bursts of set of twisted pair are mutually twisted and form core wire group, the belting layer, tinned copper braid, Aluminium foil layer and PVC serving are successively coated in core wire group, the PVC serving with a thickness of 7.7~7.9mm, the multiple twin Line group includes two strands of conducting wires and the outer quilt of the aluminium foil being coated on two strands of conducting wires.

2. indoor multiple twin high frequency communications line according to claim 1, it is characterised in that: the conducting wire includes conductor and packet Overlay on the PVC insulating layer on conductor.

3. indoor multiple twin high frequency communications line according to claim 2, it is characterised in that: the thickness of the PVC insulating layer For 1.0~1.1mm.

4. indoor multiple twin high frequency communications line according to claim 1, it is characterised in that: the belting layer with a thickness of 0.2~0.3mm.

5. indoor multiple twin high frequency communications line according to claim 1, it is characterised in that: the thickness of the tinned copper braid Degree is 0.2~0.3mm.

6. indoor multiple twin high frequency communications line according to claim 1, it is characterised in that: the aluminium foil layer with a thickness of 0.1~0.2mm.

7. indoor multiple twin high frequency communications line described in any one of -6 according to claim 1, it is characterised in that: the PVC The outer surface of serving is equipped with a plurality of raised line extended along its axial direction, which is embedded with ground line.