CN212032716U

CN212032716U - High-performance flame-retardant cable

Info

Publication number: CN212032716U
Application number: CN202020390643.2U
Authority: CN
Inventors: 薛鹏; 张毅平; 翁樱花
Original assignee: Wuxi Sunan Cable Co ltd
Current assignee: Wuxi Sunan Cable Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-27
Anticipated expiration: 2030-03-25

Abstract

The utility model relates to a high performance flame retarded cable, it includes the conductor outside is equipped with the conductor shield layer outside is equipped with the fluoroplastics insulating layer outside is equipped with the insulation shield layer, and they constitute insulation core, and the tangent setting of a plurality of insulation core is equipped with the obturator between insulation core outside clearance, insulation core and the circular cable core of obturator constitution. The utility model discloses the cable roundness is good, can effectively protect inside transmission unit not receive mechanical damage, and whole flame retardant efficiency is good, long service life.

Description

High-performance flame-retardant cable

Technical Field

The utility model relates to a cable, concretely relates to flame retarded cable.

Background

With the rapid development of national economy, the using amount and the application range of the cable used as the main artery of the national economy are larger and larger. In recent years, the demand of industries such as power plants, transformer substations, smelting, petrochemical industry and the like on cables is extremely large.

The existing flame-retardant cable has the following defects: firstly, the roundness of the multi-core cable is difficult to guarantee; secondly, the cable is not flexible, and is inconvenient to transport, install and lay; and the flame retardant property has a space for improving.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims at overcoming not enough among the prior art, provide a stranding circularity good, can effectively protect inside transmission unit not receive mechanical damage, whole flame retardant efficiency is good, long service life's high performance flame retarded cable.

The technical scheme is as follows: in order to solve the technical problem, the utility model provides a high-performance flame-retardant cable, which comprises a conductor, a conductor shielding layer is arranged outside the conductor, a fluoroplastic insulating layer is arranged outside the conductor shielding layer, an insulating shielding layer is arranged outside the fluoroplastic insulating layer, the insulating shielding layer forms an insulating wire core, a plurality of insulating wire cores are arranged in a tangent mode, a filler is arranged between external gaps of the insulating wire cores, the insulating wire cores and the filler form a circular cable core, the filler comprises an outer attaching section, inner attaching sections are arranged at two ends of the outer attaching section, a space is reserved between the inner ends of the two inner attaching sections, a supporting section is arranged between the inner side of the inner attaching section and the outer attaching section, a flame-retardant layer I is arranged outside the circular cable core, a braided layer is arranged outside the wrapping layer, a braided layer is arranged outside the flame-retardant layer I, and a flame-retardant layer II is arranged outside the braided, and an outer sheath is arranged outside the flame-retardant layer II.

The inner attaching section, the supporting section and the outer attaching section are integrally formed.

The inner attaching section is arranged close to the outer wall of the insulated wire core.

The flame-retardant layer I is a high-flame-retardant polyethylene layer.

The woven layer is formed by vertically weaving aramid fiber yarns according to 1-layer-1.

The flame-retardant layer II is a low-smoke halogen-free A-level flame-retardant polyolefin layer.

Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: the utility model has the advantages of reasonable overall structure, adopt the fluoroplastics insulating layer, it is insulating effectual, be equipped with the obturator in insulating sinle silk outside clearance, interior laminating section, support section and outer laminating section integrated into one piece and constitute the filler strip, interior laminating section is near setting up with insulating sinle silk outer wall, the circularity, the holding power, intensity is better, can effectively protect inside transmission unit not receive mechanical damage, adopt fire-retardant layer I and fire-retardant layer II, whole flame retardant efficiency is good, adopt and weave the weaving layer that forms perpendicularly according to 1 fold by aramid fiber silk, flexibility is good and tensile strength is high, this product passes through each layer cooperation, operate steadily reliably, whole long service life, accord with the in-service use requirement.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in figure 1, the utility model provides a high performance flame retarded cable, it includes conductor 1, be equipped with conductor shielding layer 2 in the conductor 1 outside, be equipped with fluoroplastics insulating layer 3 in the conductor shielding layer 2 outside, be equipped with insulating shield 4 in the fluoroplastics insulating layer 3 outside, they constitute the insulation core, three insulation core tangent settings, be equipped with the obturator between the insulation core outside clearance, insulation core and obturator constitution circular cable core, the obturator includes outer laminating section 5, be equipped with interior laminating section 6 at outer laminating section 5 both ends, leave the interval between two interior laminating section 6 inner, be equipped with support section 7 between interior laminating section 6 inboard and outer laminating section 5, interior laminating section 6 is close to setting with the insulation core outer wall, interior laminating section 6, support section 7 and outer laminating section 5 integrated into one piece, circular cable core outside is equipped with around covering 8 be equipped with fire-retardant layer I9 around covering 8 outside, it is the high flame retardant polyethylene layer fire-retardant layer I9 outside is equipped with weaving layer 10, and it is woven perpendicularly according to 1 fold 1 by aramid fiber silk and forms weaving layer 10 outside is equipped with fire-retardant layer II 11, and it is low smoke and zero halogen A level fire-retardant polyolefin layer fire-retardant layer II 11 outside is equipped with oversheath 12. The utility model has the advantages of reasonable overall structure, adopt the fluoroplastics insulating layer, it is insulating effectual, be equipped with the obturator in insulating sinle silk outside clearance, interior laminating section, support section and outer laminating section integrated into one piece and constitute the filler strip, interior laminating section is near setting up with insulating sinle silk outer wall, the circularity, the holding power, intensity is better, can effectively protect inside transmission unit not receive mechanical damage, adopt fire-retardant layer I and fire-retardant layer II, whole flame retardant efficiency is good, adopt and weave the weaving layer that forms perpendicularly according to 1 fold by aramid fiber silk, flexibility is good and tensile strength is high, this product passes through each layer cooperation, operate steadily reliably, whole long service life, accord with the in-service use requirement.

The utility model provides a thinking and method, the method and the way of specifically realizing this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection range, each component that does not make clear and definite in this embodiment all can be realized with prior art.

Claims

1. A high-performance flame-retardant cable is characterized in that: it includes conductor (1) outside is equipped with conductor shielding layer (2) outside is equipped with fluoroplastics insulating layer (3) outside is equipped with insulation shielding layer (4), and they constitute insulation core, and a plurality of insulation core are tangent to be set up, are equipped with the obturator between insulation core outside clearance, circular cable core is constituteed with the obturator to insulation core, the obturator includes outer laminating section (5) both ends are equipped with interior laminating section (6), leave the interval between laminating section (6) the inner in two, be equipped with between interior laminating section (6) inboard and outer laminating section (5) support section (7) circular cable core outside is equipped with around covering (8) the outside is equipped with fire-retardant layer I (9), the flame-retardant cable is characterized in that a woven layer (10) is arranged outside the flame-retardant layer I (9), a flame-retardant layer II (11) is arranged outside the woven layer (10), and an outer sheath (12) is arranged outside the flame-retardant layer II (11).

2. The high performance flame retardant cable of claim 1, wherein: the inner attaching section (6), the supporting section (7) and the outer attaching section (5) are integrally formed.

3. The high performance flame retardant cable of claim 1, wherein: the inner attaching section (6) is arranged close to the outer wall of the insulated wire core.

4. The high performance flame retardant cable of claim 1, wherein: the flame-retardant layer I (9) is a high-flame-retardant polyethylene layer.

5. The high performance flame retardant cable of claim 1, wherein: the woven layer (10) is formed by vertically weaving aramid fiber yarns according to 1-layer-1.

6. The high performance flame retardant cable of claim 1, wherein: the flame-retardant layer II (11) is a low-smoke halogen-free A-level flame-retardant polyolefin layer.