CN201707967U - Fire-fighting halogen-free low-smoke coaxial cable - Google Patents
Fire-fighting halogen-free low-smoke coaxial cable Download PDFInfo
- Publication number
- CN201707967U CN201707967U CN2010202304386U CN201020230438U CN201707967U CN 201707967 U CN201707967 U CN 201707967U CN 2010202304386 U CN2010202304386 U CN 2010202304386U CN 201020230438 U CN201020230438 U CN 201020230438U CN 201707967 U CN201707967 U CN 201707967U
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- fire
- smoke
- halogen
- fighting
- low
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Abstract
A fire-fighting halogen-free low-smoke coaxial cable belongs to the technical field of cables, and includes a conductor, an insulating layer, a shielding layer and a sheath. The fire-fighting halogen-free low-smoke coaxial cable is characterized in that the conductor is a multi-strand tinned copper wire bundle, the insulating layer is a low-density polyethylene insulating compound, the low-density polyethylene insulating compound is extruded on the multi-strand tinned copper wire bundle, the shielding layer comprises an aluminum-plastic composite tape and a tinned copper wire dense net which are combined, the insulating layer is longitudinally coated by the aluminum-plastic composite tape, the tinned copper wire dense net is woven on the aluminum-plastic composite tape, the shielding layer is coated by two layers of fire-resistant mica tapes, halogen-free low-smoke fire-resistant polyolefin sheaths are extruded on the fire-resistant mica tapes, and the sheaths are red. The utility model has a reasonable and simple structure, the production and the manufacture are easy, and the use performance is good; and the fire-fighting halogen-free low-smoke coaxial cable has halogen-free, low-smoke, flame-retardant, fire-resistant and other fire-fighting performance, and has the advantages of good transmission effect, excellent shielding performance, no oxidation phenomenon and the like.
Description
Technical field
The utility model relates to a kind of structure of cable, and especially the structure of fire-fighting cable belongs to the cable technology field.
Background technology
Along with people's fire-fighting consciousness constantly strengthens, security against fire is very important, the fire-fighting video monitoring coaxial cable that uses is generally done conductor by copper free wire at present, sheath is based on common polyvinyl chloride or polythene material, during as breaking out of fire, fire-fighting performances such as fire-resistant, fire-retardant, the low cigarette of cable itself all are subjected to serious test, sometimes because the fire-fighting performance issue of cable itself, and influence its disaster relief work.So existing fire-fighting needs to improve with the structure of cable, performances such as its fire-resistant, fire-retardant, low cigarette are badly in need of and will be improved.
The utility model content
The purpose of this utility model is exactly for satisfying the needs in market, a kind of fire-resistant, fire-retardant, the low good fire-fighting of smoke performance low smoke, zero halogen coaxial cable being provided.
The purpose of this utility model is by existing fire-fighting is finished with the improvement of coaxial cable, fire-fighting low smoke, zero halogen coaxial cable, comprise conductor, insulating barrier, screen, sheath, it is characterized in that described conductor is a multiply tin-coated copper tow, insulating barrier is the low density polyethylene (LDPE) Insulation Material, the low density polyethylene (LDPE) Insulation Material is extruded on the multiply tin-coated copper tow, screen is constituted by aluminium-plastic tape and the close net of tinned copper wire, aluminum plastic composite belt longitudinal wraps on the insulating barrier, the close net of braiding tinned copper wire on aluminium-plastic tape, the two-layer fire-resistant isinglass belt of parcel extrudes halogen-free and low-smoke flame-retardant polyolefin sheathed on fire-resistant isinglass belt on screen.The color of sheath is red.
The utility model is rational in infrastructure simple, manufactures easily, and serviceability is good.Conductor adopts the multiply tinned copper wire, stops to produce the copper wire oxidative phenomena because of the operating ambient temperature height.Insulating barrier is the low density polyethylene (LDPE) Insulation Material, adopts the self centring die production, guarantees the insulating barrier uniformity, and dielectric loss is little.Screen adopts the aluminum plastic composite belt longitudinal bag to add tinned copper wire and weaves close net and constitute, and shielding density reaches more than 95%, strengthens its interference free performance greatly.The two-layer fire-resistant mica layer of parcel between screen and sheath stops flame inwardly to be expanded.The sheath of cable adopts halogen-free and low-smoke flame-retardant polyolefin sheathed material, this material has good LSZH fire resistance, color is red, with the fire protection equipment solid colour, and obviously be different from other cables, its distinctive color be convenient to when installation and maintenance can quick identification in other power lines or holding wire etc.This cable has Halogen, low cigarette, fire-fighting performance, advantages such as laser propagation effect is good, shielding properties is excellent, non-oxidation phenomenon such as fire-retardant, fire-resistant.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Among the figure: 1 conductor, 2 insulating barriers, 3 aluminium-plastic tapes, the close net of 4 tinned copper wires, 5 fire-resistant isinglass belts, 6 sheaths.
Embodiment
Fire-fighting low smoke, zero halogen coaxial cable, screen, fire-resistant isinglass belt 5, the sheath 6 be made up of the close net 4 of conductor 1, insulating barrier 2, aluminium-plastic tape 3 and tinned copper wire constitute, conductor 1 adopts multiply tin-coated copper tow, extrudes low density polyethylene (LDPE) insulating barrier 2 on multiply tin-coated copper tow.Vertical alclad plastic composite strip 3 on insulating barrier, the close net 4 of braiding tinned copper wire constitutes screen on aluminium-plastic tape 3.The two-layer fire-resistant isinglass belt 5 of parcel on screen extrudes halogen-free and low-smoke flame-retardant polyolefin sheathedly 6 on fire-resistant isinglass belt, and the color of sheath adopts red.
Claims (2)
1. fire-fighting low smoke, zero halogen coaxial cable, comprise conductor, insulating barrier, screen, sheath, it is characterized in that described conductor is a multiply tin-coated copper tow, insulating barrier is the low density polyethylene (LDPE) Insulation Material, the low density polyethylene (LDPE) Insulation Material is extruded on the multiply tin-coated copper tow, screen is constituted by aluminium-plastic tape and the close net of tinned copper wire, aluminum plastic composite belt longitudinal wraps on the insulating barrier, the close net of braiding tinned copper wire on aluminium-plastic tape, the two-layer fire-resistant isinglass belt of parcel extrudes halogen-free and low-smoke flame-retardant polyolefin sheathed on fire-resistant isinglass belt on screen.
2. fire-fighting low smoke, zero halogen coaxial cable according to claim 1, the color that it is characterized in that described sheath is for red.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202304386U CN201707967U (en) | 2010-06-10 | 2010-06-10 | Fire-fighting halogen-free low-smoke coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202304386U CN201707967U (en) | 2010-06-10 | 2010-06-10 | Fire-fighting halogen-free low-smoke coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707967U true CN201707967U (en) | 2011-01-12 |
Family
ID=43445122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202304386U Expired - Fee Related CN201707967U (en) | 2010-06-10 | 2010-06-10 | Fire-fighting halogen-free low-smoke coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201707967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102693781A (en) * | 2011-03-21 | 2012-09-26 | 上海亿舟电子科技有限公司 | Fire-resistant coaxial cable |
-
2010
- 2010-06-10 CN CN2010202304386U patent/CN201707967U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102693781A (en) * | 2011-03-21 | 2012-09-26 | 上海亿舟电子科技有限公司 | Fire-resistant coaxial cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20140610 |