CN218471647U

CN218471647U - High flame retardant control cable in oxygen barrier layer

Info

Publication number: CN218471647U
Application number: CN202222434776.7U
Authority: CN
Inventors: 张钰珠; 王娟
Original assignee: Shaanxi Shengshuang Cable Co ltd
Current assignee: Shaanxi Shengshuang Cable Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-02-10
Anticipated expiration: 2032-09-13

Abstract

The utility model belongs to the technical field of the cable, especially, be a separate high fire-retardant control cable in oxygen layer, including first cable core and second cable core, the outside equidistance of first cable core is provided with the second cable core, adjacent two be provided with fire-retardant branch parting bead between the second cable core, second cable core outside is provided with the filling layer, the filling layer outside is provided with insulating inlayer, insulating inlayer outside is provided with separates the oxygen buffer layer, it is provided with fire-retardant buffer layer to separate oxygen buffer layer outside. Through the use of fire-retardant branch strip, can separate between two adjacent second cable cores, avoid contact between two adjacent second cable cores, improve the heat dispersion of cable, through fire-retardant branch strip, filling layer and fire-retardant buffer layer's use, can improve the fire behaviour of fire-retardant fire prevention of cable, through insulating inlayer, separate oxygen buffer layer and insulating skin, can improve the insulating waterproof performance of cable, the use of the cable of being convenient for.

Description

High-flame-retardant control cable with oxygen-isolating layer

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to separate high fire-retardant control cable in oxygen layer.

Background

The control cable is a common cable and is widely applied to industrial and mining enterprises, energy transportation departments and the like. In an electric power system, a control cable is a power connection control line for directly transmitting electric energy to various electric appliances, is also a control line for transmitting signals by an automation device, and has good insulation property, interference resistance and the like.

When the existing control cable is used, the self heat dissipation performance and the stretch-proofing performance of the control cable are poor, and the control cable is easy to burn under the action of external open fire.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a separate high fire-retardant control cable in oxygen layer, use through fire-retardant branch parting bead, can separate between two adjacent second cable cores, avoid the contact between two adjacent second cable cores, the heat dispersion of cable has been improved, through fire-retardant branch parting bead, the use of filling layer and fire-retardant buffer layer, can improve the fire-retardant fire behavior of cable, through insulating inlayer, separate oxygen buffer layer and insulating skin, can improve the insulating waterproof performance of cable, through the use of strengthening rib, can improve the structural strength and the stretch resistance of cable, through the use of tinfoil shielding layer, can improve the anti-electromagnetic interference performance of cable, be convenient for the characteristics of the use of cable.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a separate high fire-retardant control cable in oxygen layer, includes first cable core and second cable core, the outside equidistance of first cable core is provided with the second cable core, adjacent two be provided with fire-retardant branch parting bead between the second cable core, second cable core outside is provided with the filling layer, the filling layer outside is provided with insulating inlayer, insulating inlayer outside is provided with separates the oxygen buffer layer, it is provided with fire-retardant buffer layer to separate oxygen buffer layer outside, separate and install a plurality of strengthening ribs between oxygen buffer layer and the fire-retardant buffer layer, fire-retardant buffer layer outside is provided with the tinfoil shielding layer, the tinfoil shielding layer outside is provided with insulating skin.

As the utility model discloses a separate preferred technical scheme of high fire-retardant control cable in oxygen layer, the material of fire-retardant parting bead and the material of fire-retardant buffer layer are fire-retardant rubber.

As the utility model discloses a separate preferred technical scheme of high fire-retardant control cable in oxygen layer, the filling layer is filled by the fire prevention sponge and is constituted.

As the utility model discloses a separate preferred technical scheme of high fire-retardant control cable in oxygen layer, the material that separates the oxygen buffer layer is polyethylene fire-retardant plastics.

As the utility model discloses a separate preferred technical scheme of high fire-retardant control cable in oxygen layer, the material of insulating inlayer and insulating outer material are polyvinyl chloride plastics.

As the utility model discloses a separate preferred technical scheme of high fire-retardant control cable in oxygen layer, the material of strengthening rib is high impact nylon yarn.

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

the utility model discloses when using, use through fire-retardant branch parting bead, can separate between two adjacent second cable cores, avoid contact between two adjacent second cable cores, the heat dispersion of cable has been improved, through fire-retardant branch parting bead, the use of filling layer and fire-retardant buffer layer, can improve the fire-retardant fire behavior of cable, through insulating inlayer, separate oxygen buffer layer and insulating skin, can improve the insulating waterproof performance of cable, use through the strengthening rib, can improve the structural strength and the stretch-proofing performance of cable, use through the tinfoil shielding layer, can improve the anti-electromagnetic interference performance of cable, be convenient for the use of cable.

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 schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is a schematic structural view of the flame-retardant parting strip of the present invention.

In the figure: 1. a first cable core; 2. a second cable core; 3. a flame retardant parting strip; 4. a filling layer; 5. an insulating inner layer; 6. an oxygen barrier buffer layer; 7. a flame retardant buffer layer; 8. reinforcing ribs; 9. a tinfoil shielding layer; 10. an insulating outer layer.

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.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides a high fire-retardant control cable of oxygen barrier, including first cable core 1 and second cable core 2, first cable core 1 outside equidistance is provided with second cable core 2, be provided with fire-retardant parting bead 3 between two adjacent second cable cores 2, second cable core 2 outside is provided with filling layer 4, filling layer 4 is filled by fire prevention sponge and constitutes, be favorable to improving fire behavior, filling layer 4 outside is provided with insulating inlayer 5, insulating inlayer 5 outside is provided with oxygen barrier buffer layer 6, oxygen barrier buffer layer 6's material is polyethylene fire-retardant plastic, be favorable to improving the oxidation resistance of cable, oxygen barrier buffer layer 6 outside is provided with fire-retardant buffer layer 7, the material of fire-retardant parting bead 3 and the material of fire-retardant buffer layer 7 are fire-retardant rubber, can reduce the preparation degree of difficulty of material, install a plurality of strengthening ribs 8 between oxygen barrier buffer layer 6 and the fire-retardant buffer layer 7, the material of strengthening rib 8 is high impact resistance nylon yarn, the structural strength and the shock resistance of cable have been strengthened, fire-retardant buffer layer 7 outside is provided with tinfoil shielding layer 9, tinfoil shielding layer 9 outside is provided with insulating parting bead 10, the material of insulating inlayer 5 and the material of insulating outer layer 10 are polyvinyl chloride insulation nature plastics, the material of shock resistance of cable has been guaranteed.

The utility model discloses a theory of operation and use flow: through the use of fire-retardant parting bead 3, can separate between two adjacent second cable cores 2, avoid contact between two adjacent second cable cores 2, the heat dispersion of cable has been improved, through fire-retardant parting bead 3, the use of filling layer 4 and fire-retardant buffer layer 7, can improve the fire-retardant fire behavior of cable, through insulating inlayer 5, separate oxygen buffer layer 6 and insulating outer 10, can improve the insulating waterproof performance of cable, through the use of strengthening rib 8, can improve the structural strength and the stretch resistance performance of cable, through the use of tinfoil shielding layer 9, can improve the anti-electromagnetic interference performance of cable, be convenient for the use of cable.

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 above, 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

1. The utility model provides a high fire-retardant control cable in oxygen barrier, includes first cable core (1) and second cable core (2), its characterized in that: first cable core (1) outside equidistance is provided with second cable core (2), adjacent two be provided with fire-retardant branch parting bead (3) between second cable core (2), second cable core (2) outside is provided with filling layer (4), filling layer (4) outside is provided with insulating inlayer (5), insulating inlayer (5) outside is provided with at a distance from oxygen buffer layer (6), it is provided with fire-retardant buffer layer (7) to separate oxygen buffer layer (6) outside, it installs a plurality of strengthening ribs (8) between oxygen buffer layer (6) and fire-retardant buffer layer (7) to separate, fire-retardant buffer layer (7) outside is provided with tinfoil shielding layer (9), tinfoil shielding layer (9) outside is provided with insulating outer (10).

2. The oxygen barrier high flame retardant control cable according to claim 1, wherein: the flame-retardant separation strips (3) and the flame-retardant buffer layer (7) are made of flame-retardant rubber.

3. The oxygen barrier high flame retardant control cable according to claim 1, wherein: the filling layer (4) is formed by filling fireproof sponge.

4. The oxygen barrier high flame retardant control cable according to claim 1, wherein: the oxygen isolation buffer layer (6) is made of polyethylene flame-retardant plastic.

5. The oxygen barrier high flame retardant control cable according to claim 1, wherein: the insulating inner layer (5) and the insulating outer layer (10) are both made of polyvinyl chloride plastics.

6. The oxygen barrier high flame retardant control cable according to claim 1, wherein: the reinforcing rib (8) is made of high-impact nylon yarn.