CN204315291U - Fire resistance signal cable - Google Patents
Fire resistance signal cable Download PDFInfo
- Publication number
- CN204315291U CN204315291U CN201420847397.3U CN201420847397U CN204315291U CN 204315291 U CN204315291 U CN 204315291U CN 201420847397 U CN201420847397 U CN 201420847397U CN 204315291 U CN204315291 U CN 204315291U
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- holding wire
- flame
- coating
- fire resistance
- flame retardant
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Abstract
A kind of fire resistance signal cable, comprises holding wire, and described holding wire pair twist stranding forms cable core, and the outer wrapped inhibiting tape of cable core; The outer woven shield of described inhibiting tape, screen wrapped mica tape and glass fibre belt successively outward, the outer braided glass filament flame retardant coating of glass fibre belt, flame retardant coating applies heat-resistant fireproof corrosion resistant coating outward.The utility model holding wire has the first flame-retardant layer, screen, the first flame retardant coating, the second flame-retardant layer, the second flame retardant coating and protective layer outward successively; fire retardant performance is superior; antiseptic property is excellent; ensure that holding wire can keep long period safety-oriented data transfer or power supply signal in flame combustion situation, and stable signal transmission is accurate, characteristic impedance is good, good strength.
Description
Technical field
The utility model belongs to field of cable technology, is specifically related to a kind of fire resistance signal cable.
Background technology
Important department and the public place request signal transmission fire protection flame retardings such as skyscraper, subway, power plant, nuclear power station, tunnel, and do not prolong combustion, ensure that in ablaze situation, still can maintain certain hour normal power-up runs, and timely signal transmission, make personnel have regular hour safe escape when breaking out of fire.
Summary of the invention
The purpose of this utility model is to provide a kind of fire resistance signal cable, and the fire protection flame retarding time is long, and does not prolong combustion, and the personnel that ensure that have regular hour safe escape and can timely signal transmission when breaking out of fire.
The technical scheme that the utility model adopts is: a kind of fire resistance signal cable, comprises holding wire, and described holding wire pair twist stranding forms cable core, and the outer wrapped inhibiting tape of cable core; The outer woven shield of described inhibiting tape, screen wrapped mica tape and glass fibre belt successively outward, the outer braided glass filament flame retardant coating of glass fibre belt, flame retardant coating applies heat-resistant fireproof corrosion resistant coating outward.
Described Mica tape is two-layer.
Described heat-resistant fireproof corrosion resistant coating apply three layers and more than.
The conductor wire core that described holding wire is closed by tin-plating round copper wire bundle and the teflon insulation layer extruded outside conductor wire core are formed.
The beneficial effects of the utility model are: the utility model holding wire has the first flame-retardant layer, screen, the first flame retardant coating, the second flame-retardant layer, the second flame retardant coating and protective layer outward successively; fire retardant performance is superior; antiseptic property is excellent; ensure that holding wire can keep long period safety-oriented data transfer or power supply signal in flame combustion situation, and stable signal transmission is accurate, characteristic impedance is good, good strength.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is cross-sectional view of the present utility model.
Embodiment
Below in conjunction with accompanying drawing 1,2 and embodiment, the utility model is described in detail.
A kind of fire resistance signal cable, comprises 10 holding wires 9, and described 10 holding wire 9 pair twist strandings form cable core, and the outer wrapped inhibiting tape 6 of cable core; The outer woven shield 5 of described inhibiting tape 6, the outer wrapped two-layer mica tape 4 of screen 5, the outer wrapped glass fibre belt 3 of mica tape 4, the outer braided glass filament flame retardant coating 2 of glass fibre belt 3, the outer coating of flame retardant coating 2 three layers of heat-resistant fireproof corrosion resistant coating 1.The conductor wire core 8 that described holding wire 9 is closed by tin-plating round copper wire bundle and the teflon insulation layer 7 extruded outside conductor wire core 8 are formed.
The utility model adopts 28 diameters to be that the tin-plating round copper wire of 0.15mm becomes soft bent conductor wire core 8 by 4+9+15 layer-stranding, with corrosion-resistant, density is low, Heat stability is good, high temperature resistant 200 DEG C, electrically and the polytetrafluoroethylene of good mechanical performance extrude nominal thickness 0.45mm insulating barrier 7.The inhibiting tape 6 that the bandwidth adopting fire resistance, electric property, Good Heat-resistance is 25mm, tape thickness is 0.1mm wrapped one deck of Duplication using 30% is as the first flame-retardant layer, weave one deck screen 5 with the tin-plating round copper wire that 144 diameters are 0.20mm again, ensure that any interference source does not have interference to signal transmission.One-tenth cable core adopts the mica tape 4 that the bandwidth of mechanical property, electric property, resistance to ag(e)ing, Good Heat-resistance is 25mm, tape thickness is 0.1mm wrapped two-layer as the first flame retardant coating using certain pitch, increases fire-resistant, the resistance to elevated temperatures of cable; The outer wrapped bandwidth of the first flame retardant coating be 25mm, tape thickness is that fire-retardant, the fire prevention glass fibre belt 3 of 0.15mm is as the second flame-retardant layer, the fire resistance of further increase cable, adopt 6 strands, 24 ingot again, filament diameter be 0.25 fireproof glass silk work out the second flame retardant coating 2, improve further the fire-resistant effect of cable.Outside the second flame retardant coating 2, apply three layers of heat-resistant fireproof corrosion resistant coating 1 again as protective layer, not only there is fireproofing function, and there is corrosion-resisting function.
The utility model is not limited to above-described embodiment, can increase or reduce the radical of holding wire as required, and external diameter, holding wire color, conductor wire core diameter etc. all can change as required.
Claims (4)
1. a fire resistance signal cable, comprises holding wire (9), it is characterized in that: described holding wire (9) pair twist stranding forms cable core, and the outer wrapped inhibiting tape (6) of cable core; Described inhibiting tape (6) outer woven shield (5), screen (5) wrapped mica tape (4) and glass fibre belt (3) successively outward, the outer braided glass filament flame retardant coating (2) of glass fibre belt (3), flame retardant coating (2) applies heat-resistant fireproof corrosion resistant coating (1) outward.
2. fire resistance signal cable according to claim 1, is characterized in that: described mica tape (4) is wrapped two-layer.
3. fire resistance signal cable according to claim 1 and 2, is characterized in that: described heat-resistant fireproof corrosion resistant coating (1) coating three layers and more than.
4. fire resistance signal cable according to claim 3, is characterized in that: the conductor wire core (8) that described holding wire (9) is closed by tin-plating round copper wire bundle and the teflon insulation layer (7) extruded outside conductor wire core (8) are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847397.3U CN204315291U (en) | 2014-12-29 | 2014-12-29 | Fire resistance signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847397.3U CN204315291U (en) | 2014-12-29 | 2014-12-29 | Fire resistance signal cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204315291U true CN204315291U (en) | 2015-05-06 |
Family
ID=53137594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420847397.3U Active CN204315291U (en) | 2014-12-29 | 2014-12-29 | Fire resistance signal cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204315291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505169A (en) * | 2014-12-29 | 2015-04-08 | 宝鸡烽火电线电缆有限责任公司 | Fire-proof signal cable |
| WO2017198581A1 (en) | 2016-05-19 | 2017-11-23 | Ceam Cavi Speciali S.P.A. | Cable for data transmission having high fire resistance |
-
2014
- 2014-12-29 CN CN201420847397.3U patent/CN204315291U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505169A (en) * | 2014-12-29 | 2015-04-08 | 宝鸡烽火电线电缆有限责任公司 | Fire-proof signal cable |
| WO2017198581A1 (en) | 2016-05-19 | 2017-11-23 | Ceam Cavi Speciali S.P.A. | Cable for data transmission having high fire resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |