Flame-retardant and fire-retardant cable with high performance

A flame-retardant, fire-resistant, high-performance technology, applied in the field of high-performance flame-retardant and fire-resistant optical cables, can solve problems that affect the use of optical cables and cannot guarantee high-performance flame-retardant optical cables, and achieve protection against fire threats, good heat insulation, and improved resistance The effect of the fire safety performance level

Inactive Publication Date: 2014-12-10
JIANGSU HENGTONG PHOTOELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since there are non-flame-retardant substances such as sleeves, fiber paste, and ointment in the optical cable, even if more expensive flame-retardant materials are used, the high-performance flame-retardant optical cable cannot be guaranteed, which affects the performance of optical cables in some safety levels. Use in high places

Method used

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  • Flame-retardant and fire-retardant cable with high performance
  • Flame-retardant and fire-retardant cable with high performance
  • Flame-retardant and fire-retardant cable with high performance

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 As shown, the present invention includes a cable core, a reinforcing member 11 and a protective layer, and the protective layer is coated on the outside of the cable core and the reinforcing member 11, wherein the protective layer is composed of a water blocking tape 3, a ceramic fiber tape 4, an inner sheath 5, The mica tape 6 and the outer sheath 7 are formed, the outer sheath 7 is the outermost layer of the protective layer, the inner sheath 5 and the mica tape 6 are sequentially arranged between the ceramic fiber tape 4 and the outer sheath 7 from the inside to the outside, and the cable The core is a freely twisted micro-bundle tube 2, and there are two reinforcing members 11 embedded in the inner sheath 5 in parallel.

[0035] In the overall structure of this embodiment, ceramic fiber high-performance flame-retardant materials are used to longitudinally wrap micro-bundle tubes, and two flame-retardant inner sheaths embedded with two non-metallic m...

Embodiment 2

[0037] Such as figure 2 As shown, the present invention includes a cable core, a reinforcing member 11 and a protective layer, and the protective layer is coated on the outside of the cable core and the reinforcing member 11, wherein the protective layer is composed of a water blocking tape 3, a ceramic fiber tape 4 and an outer sheath 7, The outer sheath 7 is the outermost layer of the protective layer, the cable core is a loose tube 8 structure, the optical fiber 1 is placed inside the loose tube 8 and filled with fiber paste 9, and there are two strength members 11, which are embedded in the outer sheath 7 in parallel .

[0038] This embodiment adopts the all-dielectric structure design, which has obvious lightning protection effect, avoids the accident rate of lightning when the existing local telephone pole road is directly laid indoors, and brings convenience to the popularization and construction of optical cables.

Embodiment 3

[0040] Such as image 3As shown, the present invention includes a cable core, a reinforcing member 11 and a protective layer, and the protective layer is coated on the outside of the cable core and the reinforcing member 11, wherein the protective layer is composed of a water blocking tape 3, an inner sheath 5, a mica tape 6, ceramic fiber The belt 4 and the outer sheath 7 are formed, and the outer sheath 7 is the outermost layer of the protective layer. The inner sheath 5 and the mica belt 6 are sequentially arranged between the water blocking belt 3 and the outer sheath 7 from the inside to the outside. The cable core is a loose tube 8 structure, which is composed of at least three loose tubes 8. The optical fiber 1 is placed inside the loose tube 8 and filled with fiber paste 9. The loose tube 8 is covered with a ceramic fiber tape 4 and a water blocking tape 3. It is coated on the outside of the loose tube 8, the cable paste 10 is filled between the loose tubes 8, and the ...

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Abstract

The invention relates to a flame-retardant and fire-retardant cable with high performance. The flame-retardant and fire-retardant cable comprises a cable core, reinforcing pieces and a protection layer, wherein the protection layer wraps outside the cable core and the reinforcing pieces; the protection layer is composed of water-blocking tape, a ceramic fiber tape and an outer protection sleeve; the outer protection sleeve is the outermost layer of the protection layer. According to the flame-retardant and fire-retardant cable with high performance, micro beam tubes are longitudinally wrapped by ceramic fiber high-performance flame-retardant material, two flame-retardant inner protection sleeves made of non-metal material are embedded in the outer side of the wrapped tape in an extruding manner, and after a fluorophlogopite tape is longitudinally wrapped, the flame-retardant outer protection sleeve is also formed in an extruding manner; and therefore, high density capacity of the optical fiber cable is improved, and meanwhile the excellent flame-retardant of the cable is ensured by multiple measures such as the dual-layer flame-retardant protection sleeves, the ceramic fiber tape, the mica tape and the like.

Description

technical field [0001] The invention belongs to the field of optical cables, and in particular relates to a high-performance flame-retardant and fire-resistant optical cable. Background technique [0002] At present, the flame-retardant and fire-resistant optical cables that are mainly used in the market generally improve the flame-retardant performance of optical cables by selecting excellent flame-retardant sheath materials, but non-flame-retardant materials such as sleeves, fiber paste, and ointment in optical cables will also affect the overall performance. Flame retardant level of optical cable. When a fire occurs, the traditional optical cable will cause the fiber to be brittle and fractured due to the damage of the external environment or mechanical stress, resulting in the interruption of the transmission signal, which greatly affects the effectiveness of the security system; on the other hand, even if the optical cable The interior of the cable core is not damaged ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/44
Inventor 薛梦驰沈婷顾利国施李萍吴金华詹朗朗袁峰
Owner JIANGSU HENGTONG PHOTOELECTRIC
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