CN203673863U - Halogen-free and low-smoke flame retardation electric cable - Google Patents
Halogen-free and low-smoke flame retardation electric cable Download PDFInfo
- Publication number
- CN203673863U CN203673863U CN201320543058.1U CN201320543058U CN203673863U CN 203673863 U CN203673863 U CN 203673863U CN 201320543058 U CN201320543058 U CN 201320543058U CN 203673863 U CN203673863 U CN 203673863U
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- halogen
- free
- low
- layer
- electric cable
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Abstract
A halogen-free and low-smoke flame retardation electric cable comprises three wire cores, a winding and wrapping layer, an inner protection sleeve layer, an outer protection sleeve layer and an armor layer, wherein the three wire cores are formed by extruding conductors and insulation layers. The halogen-free and low-smoke flame retardation electric cable is characterized in that fireproof isolating layers are wound and wrapped around the conductors, and a gap between the winding and wrapping layer and the wire cores is provided with an alumina silicate filling layer. The halogen-free and low-smoke flame retardation electric cable is characterized in that multiple reinforcement measures such as adoption of mica tapes for a fireproof purpose, adoption of a glass fiber woven tape for a flame retardation and adoption of halogen-free crosslinking polyethylene materials for an insulation purpose and the like; the requirement of people for a low-smoke and halogen-free electric cable which is green and environment-friendly can be effectively satisfied.
Description
Technical field
The utility model relates to field of cables, is specifically related to a kind of halide-free low-smoke fireproof cable.
Background technology
Traditional cable insulation adopts polyvinyl chloride to make mostly, this type of material has good mechanical strength and insulating properties, but the stability to light and heat is poor, Contact Temperature reaches 100 DEG C just can decompose generation hydrogen chloride, physical and mechanical properties also can decline rapidly, in the time that fire occurs, poly (vinyl chloride) blend is heated and easily decomposites a large amount of hydrogen chloride, produce a large amount of dense smoke, bring very large difficulty to people's escape and fire-fighting and rescue work, and the halogen element giving out when polyvinyl chloride burning more have fatal harm.
Utility model content
The utility model will provide the ECO of a kind of low smoke and zero halogen, wear-resisting and stress crack resistant.
The technical solution of the utility model is as follows:
For solving the problems of the technologies described above, it comprises that conductor follows insulating barrier to extrude three groups of cores, lapping layer, inner restrictive coating, external sheath layer and armours of formation halide-free low-smoke fireproof cable described in the utility model, it is characterized by: described conductor is also coated with fire-resistant separator outward; Between described lapping layer and core, gap is also provided with alumina silicate packed layer.
Described fire-resistant separator adopts mica tape or magnesia powder.
Described lapping layer adopts fiberglass braided band.
Described insulating barrier adopts cross-linking polyethylene materials.
Described inner restrictive coating adopts polyolefine material.
Beneficial effect: the utility model adopts the fire prevention of mica tape or magnesia powder, is fiberglass braidedly with the multiple enhancements such as fire-retardant and Halogen is crosslinked polyetylene insulated, can effectively meet the demand of people for cable low smoke and zero halogen, environmental protection.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
In figure: 1, conductor 2, insulating barrier 3, fire-resistant separator 4, lapping layer 5, inner restrictive coating 6, external sheath layer 7, armour 8, alumina silicate packed layer
Embodiment
Its structure as shown in Figure 1: it comprises that conductor 1 extrudes three groups of cores, lapping layer 4, inner restrictive coating 6, external sheath layer 7 and the armour 8 of formation with insulating barrier 2 a kind of halide-free low-smoke fireproof cable; Outside described conductor 1, be also coated with fire-resistant separator 3; Between described lapping layer 4 and core, gap is also provided with alumina silicate packed layer 8; Described fire-resistant separator 3 adopts mica tape; Described lapping layer 4 adopts fiberglass braided band; Described insulating barrier 2 adopts cross-linking polyethylene materials; Described inner restrictive coating 4 adopts polyolefine material.
The utility model adopts mica tape fire prevention, is fiberglass braidedly with the multiple enhancements such as fire-retardant and Halogen is crosslinked polyetylene insulated, can effectively meet the demand of people for cable low smoke and zero halogen, environmental protection.
Claims (5)
1. a halide-free low-smoke fireproof cable, it comprises the three groups of cores, lapping layer (4), inner restrictive coating (5), external sheath layer (6) and the armour (7) that are extruded formation by conductor (1) with insulating barrier (2), it is characterized by: the outer fire-resistant separator (3) that is also coated with of described conductor (1); Between described lapping layer (4) and core, gap is also provided with alumina silicate packed layer (8).
2. a kind of halide-free low-smoke fireproof cable according to claim 1, is characterized in that described fire-resistant separator (3) adopts mica tape or magnesia powder.
3. a kind of halide-free low-smoke fireproof cable according to claim 1, is characterized in that described lapping layer (4) adopts fiberglass braided band.
4. a kind of halide-free low-smoke fireproof cable according to claim 1, is characterized in that described insulating barrier (2) adopts cross-linking polyethylene materials.
5. a kind of halide-free low-smoke fireproof cable according to claim 1, is characterized in that described inner restrictive coating (5) adopts polyolefine material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320543058.1U CN203673863U (en) | 2013-09-02 | 2013-09-02 | Halogen-free and low-smoke flame retardation electric cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320543058.1U CN203673863U (en) | 2013-09-02 | 2013-09-02 | Halogen-free and low-smoke flame retardation electric cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203673863U true CN203673863U (en) | 2014-06-25 |
Family
ID=50970130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320543058.1U Expired - Fee Related CN203673863U (en) | 2013-09-02 | 2013-09-02 | Halogen-free and low-smoke flame retardation electric cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203673863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425070A (en) * | 2013-09-02 | 2015-03-18 | 无锡市逸翔线缆有限公司 | Halogen-free low-smoke flame-retardant cable |
-
2013
- 2013-09-02 CN CN201320543058.1U patent/CN203673863U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425070A (en) * | 2013-09-02 | 2015-03-18 | 无锡市逸翔线缆有限公司 | Halogen-free low-smoke flame-retardant cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |