CN204440945U - Installation fire-resistant wires - Google Patents
Installation fire-resistant wires Download PDFInfo
- Publication number
- CN204440945U CN204440945U CN201520184744.3U CN201520184744U CN204440945U CN 204440945 U CN204440945 U CN 204440945U CN 201520184744 U CN201520184744 U CN 201520184744U CN 204440945 U CN204440945 U CN 204440945U
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- layer
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- resistant wires
- wire
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Abstract
The utility model relates to a kind of electric wire, and especially a kind of installation fire-resistant wires, belongs to technical field of power transmission equipment.It comprises outer jacket member, be coated on outer jacket member in the middle of at least two groups lead core assembly and be filled in outer jacket member and lead the packed layer between core assembly; Described core assembly of leading comprises and leads core, flame retardant coating and insulating barrier, described in lead core and adopt twisted wire, lead described in described flame retardant coating is coated on outside core, described insulating barrier is coated on outside described flame retardant coating; Described outer jacket member comprises polyester belt lapping layer, metal screen layer and sheath, and described polyester belt lapping layer is coated on outside described packed layer, and described metal screen layer is coated on outside described polyester belt lapping layer, and described sheath is coated on outside described metal screen layer.Installation fire-resistant wires provided by the utility model has excellent insulation property and mechanical performance, anti-signal disturbing function, does not have combustibility, can suppress the propagation of flame caused by electric wire in hot environment.
Description
Technical field
The utility model relates to a kind of electric wire, and especially a kind of installation fire-resistant wires, belongs to technical field of power transmission equipment.
Background technology
Electric wire refers to the material for electric power, communication and associated transport purposes, at present, along with the development of society, the place that skyscraper, underground railway, large-scale power station and important industrial and mining enterprises etc. are relevant with fire safety and fire-extinguishing and lifesaving, such as, fire-fighting equipment and promptly to the supply line of the emergency services such as leading lights and the requirement of control circuit to electric wire also more and more higher.Existing electric wire insulate in hot environment and heat dispersion poor, fire resistance is poor, bad mechanical property, and shielding is poor, and signal attenuation degree is high, can not to ensure in hot environment normal power-up, transmit various control signal, alarm signal.
Utility model content
The purpose of this utility model is to propose a kind of installation fire-resistant wires, installation fire-resistant wires provided by the utility model has excellent insulation property and mechanical performance, anti-signal disturbing function, in hot environment, not there is combustibility, the propagation of flame caused by electric wire can be suppressed.
The purpose of this utility model is achieved by the following technical programs:
A kind of installation fire-resistant wires, at least two groups comprise outer jacket member, being coated on outer jacket member middle are led core assembly and are filled in outer jacket member and lead the packed layer between core assembly; Described core assembly of leading comprises and leads core, flame retardant coating and insulating barrier, described in lead core and adopt twisted wire, lead described in described flame retardant coating is coated on outside core, described insulating barrier is coated on outside described flame retardant coating; Described outer jacket member comprises polyester belt lapping layer, metal screen layer and sheath, and described polyester belt lapping layer is coated on outside described packed layer, and described metal screen layer is coated on outside described polyester belt lapping layer, and described sheath is coated on outside described metal screen layer.
In addition, the utility model technique scheme is also improved as follows further:
Described twisted wire forms by wire left-hand is stranded, and described wire adopts more than one soft round copper wire or tinned copper wire.
Described flame retardant coating employing layer 2-3 fluorophlogopite belt is overlapping wrapped to be formed.
Described insulating barrier adopts flexible PVC or crosslinked polyethylene.
Described packed layer adopts the netted gasket for packing of polypropylene tearing or mineral wool rope.
Described polyester belt lapping layer adopts double-layer polyester band overlap wrapped.
Described metal screen layer adopts metal wire knitted to form, and described wire adopts soft round copper wire or tinned copper wire, and described count is 80-82%.
Described sheath adopts oxygen index 32 and above flame retardancy soft polyvinyl chloride plastic.
The utility model has the following advantages:
1, the utility model has excellent insulation property and mechanical performance, anti-signal disturbing function, when a fire, not there is combustibility, the propagation of flame caused by electric wire can be suppressed, ensure normal power-up in fire, transmit various control signal, alarm signal.
2, flame retardant coating of the present utility model has good fire resistance, resistance to acids and bases and withstands corona, radiation-resistant characteristic, and has fine flexibility and hot strength, is suitable for high-speed coiling.
3, the utility model has explosion-proof, that corrosion resistance is strong, ampacity is large, radiation hardness, mechanical strength are high, volume is little, lightweight, the life-span is long feature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, Reference numeral is expressed as:
1-leads core, 2-flame retardant coating, 3-insulating barrier, 4-packed layer, 5-polyester belt lapping layer, 6-metal screen layer, 7-sheath.
Embodiment
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail:
As shown in Figure 1, embodiment of the present utility model is as follows:
Embodiment 1
A kind of installations fire-resistant wires, comprises outer jacket member, is coated on two groups of outer jacket member centre and leads core assembly and be filled in outer jacket member and lead the packed layer 4 between core assembly; Described core assembly of leading comprises and leads core 1, flame retardant coating 2 and insulating barrier 3, described in lead core 1 and adopt twisted wire, lead described in described flame retardant coating 2 is coated on outside core 1, described insulating barrier 3 is coated on outside described flame retardant coating 2; Described outer jacket member comprises polyester belt lapping layer 5, metal screen layer 6 and sheath 7, described polyester belt lapping layer 5 is coated on outside described packed layer 4, described metal screen layer 6 is coated on outside described polyester belt lapping layer 5, and described sheath 7 is coated on outside described metal screen layer 6.
Described twisted wire forms by wire left-hand is stranded, and described wire adopts more than one soft round copper wire or tinned copper wire.
Described flame retardant coating 2 adopts that layer 2-3 fluorophlogopite belt is overlapping wrappedly to be formed.
Described insulating barrier 3 adopts flexible PVC or crosslinked polyethylene.
Described packed layer 4 adopts the netted gasket for packing of polypropylene tearing.
Described polyester belt lapping layer 5 adopts double-layer polyester band overlap wrapped.
Described metal screen layer 6 adopts metal wire knitted to form, and described wire adopts soft round copper wire or tinned copper wire, and described count is 80-82%.
Described sheath 7 adopts oxygen index 32 and above flame retardancy soft polyvinyl chloride plastic.
Above-mentioned embodiment is just explained in detail the technical solution of the utility model; the utility model has more than and is only confined to above-described embodiment; those skilled in the art should be understood that; every improvement on the utility model basis according to above-mentioned principle and spirit, substitute, all should within protection range of the present utility model.
Claims (8)
1. an installation fire-resistant wires, is characterized in that: it comprises outer jacket member, be coated on outer jacket member in the middle of at least two groups lead core assembly and be filled in outer jacket member and lead the packed layer (4) between core assembly; Described core assembly of leading comprises and leads core (1), flame retardant coating (2) and insulating barrier (3), described core (1) of leading adopts twisted wire, lead core (1) described in described flame retardant coating (2) is coated on outward, described insulating barrier (3) is coated on described flame retardant coating (2) outward; Described outer jacket member comprises polyester belt lapping layer (5), metal screen layer (6) and sheath (7), described polyester belt lapping layer (5) is coated on described packed layer (4) outward, described metal screen layer (6) is coated on described polyester belt lapping layer (5) outward, and described sheath (7) is coated on described metal screen layer (6) outward.
2. installation fire-resistant wires according to claim 1, is characterized in that: described twisted wire forms by wire left-hand is stranded, and described wire adopts more than one soft round copper wire or tinned copper wire.
3. installation fire-resistant wires according to claim 2, is characterized in that: described flame retardant coating (2) employing layer 2-3 fluorophlogopite belt is overlapping wrapped to be formed.
4. installation fire-resistant wires according to claim 3, is characterized in that: described insulating barrier (3) adopts flexible PVC or crosslinked polyethylene.
5. installation fire-resistant wires according to claim 4, is characterized in that: described packed layer (4) adopts the netted gasket for packing of polypropylene tearing or mineral wool rope.
6. installation fire-resistant wires according to claim 5, is characterized in that: described polyester belt lapping layer (5) adopts double-layer polyester band overlap wrapped.
7. installation fire-resistant wires according to claim 6, is characterized in that: described metal screen layer (6) adopts metal wire knitted to form, and described wire adopts soft round copper wire or tinned copper wire, and described count is 80-82%.
8. installation fire-resistant wires according to claim 7, is characterized in that: described sheath (7) adopts flame retardancy soft polyvinyl chloride plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184744.3U CN204440945U (en) | 2015-03-30 | 2015-03-30 | Installation fire-resistant wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184744.3U CN204440945U (en) | 2015-03-30 | 2015-03-30 | Installation fire-resistant wires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204440945U true CN204440945U (en) | 2015-07-01 |
Family
ID=53608780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520184744.3U Expired - Fee Related CN204440945U (en) | 2015-03-30 | 2015-03-30 | Installation fire-resistant wires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204440945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390098A (en) * | 2018-11-30 | 2019-02-26 | 人民电缆集团有限公司 | A kind of dual fireproof control cable structure |
-
2015
- 2015-03-30 CN CN201520184744.3U patent/CN204440945U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390098A (en) * | 2018-11-30 | 2019-02-26 | 人民电缆集团有限公司 | A kind of dual fireproof control cable structure |
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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: 20150701 Termination date: 20190330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |