CN104409148A - Flame retardant power supply electric wire - Google Patents
Flame retardant power supply electric wire Download PDFInfo
- Publication number
- CN104409148A CN104409148A CN201410662791.4A CN201410662791A CN104409148A CN 104409148 A CN104409148 A CN 104409148A CN 201410662791 A CN201410662791 A CN 201410662791A CN 104409148 A CN104409148 A CN 104409148A
- Authority
- CN
- China
- Prior art keywords
- electric wire
- flame retardant
- protective cover
- insulating layers
- polyvinyl chloride
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a flame retardant power supply electric wire. The flame retardant power supply electric wire comprises a wire core and a protective cover wrapped up the wire core, the wire core is a conductor formed by winding an electrical unit and filling strands together, the electrical unit comprises metal bare wires and insulating layers wrapped up the metal bare wires, the protective cover is a flame retardant polyvinyl chloride protective cover, a fiberglass braided layer is arranged between the flame retardant polyvinyl chloride protective cover and the wire core, and the insulating layers are fluorinated ethylene propylene insulating layers. According to the flame retardant power supply electric wire, the electric wire has good flame retardancy due to the facts that flame retardant polyvinyl chloride materials are utilized as the protective cover and the fluorinated ethylene propylene insulating layers as the insulating layers wrapped up the metal bare wires. The tensile strength and elongation of the insulating layers are superior to common rubbers. The fiberglass braided layer is arranged between the protective cover and the wire core, flame retardant effect is reached, the electric wire is stretch-resistant, and service life of the electric wire is prolonged.
Description
Technical field
The invention belongs to Power-line technology field, be specifically related to a kind of fire-retardant power cable.
Background technology
Along with the fast development of power industry, urban construction, the requirement of industry-by-industry to cable is more and more higher.The structure of thermal insulation difference that what traditional cable was more have employed, inadequate flame high temperature.Therefore breaking out of fire or by temperatures involved time, this kind of cable not flame resistant baking, be difficult to isolated flame.Therefore flame is easy to burn these protective layers; cable is made directly to be subject to the calcination of flame; cause cable cisco unity malfunction; and common cable resistance to tension is not enough; Tensile impact is fragile; useful life is short, can discharge a large amount of dense smoke and toxic and harmful during burning, impact rescue and atmospheric environment.At present, in places such as hospital, hotel, large-scale gymnasium, public place of entertainment, collieries, traditional insulated electric conductor can not meet space and the weight demands in these places.And these places are not provided safe and reliable there is superior flame retardant property, flexibility is good, has feature that is high temperature resistant and stretch-proof.The present invention meets each above demand completely and increases the useful life of cable.
Therefore, how improving electric wire fire resistance and flexibility, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
The invention provides a kind of fire-retardant power cable, anti-flammability is superior, and toughness is high, stretch-proof, and has good flexibility, extends the useful life of electric wire.
For solving the problems of the technologies described above; the present invention adopts following technical scheme: a kind of fire-retardant power cable; comprise core and be coated on the protective sleeve outside described core; described core is the conductor that electric unit and gasket for packing are intertwined; described electric unit comprises metal bare wire and is coated on the insulating barrier outside described metal bare wire, and described protective sleeve is flame-proof polyvinyl chloride protective sleeve.Adopt flame-proof polyvinyl chloride material to be protective jacket, make electric wire have excellent fire resistance.
Preferably, fiberglass braided layer is provided with between described flame-proof polyvinyl chloride sheath and core.Not only can reach fire-retardant effect, also make electric wire have the performance of stretch-proof, strengthen the useful life of electric wire.
Preferably, described insulating barrier is perfluoroethylene-propylene insulating barrier.The insulating barrier of electric unit is perfluoroethylene-propylene material, and high and low temperature resistance is good, can at-250 ~ 200 DEG C of temperature Long-Time Service, resistance to wear is good, self-lubricating property is excellent, and electrical insulating property is excellent, and not by the impact of operational environment, humidity, temperature and frequency, there is good arc resistance, chemical resistance is excellent, has air-tightness good, resistance to irradiation, low temperature flexibility is good, with the advantage such as metal, glassy bond power is strong.Be wrapped in outside metal bare wire as insulating barrier, electric wire can be made to have excellent fire resistance.Tensile strength and the percentage elongation of insulating barrier are all better than General Purpose Rubber.
The invention discloses a kind of fire-retardant power cable, adopt flame-proof polyvinyl chloride material to be protective jacket, make electric wire have excellent fire resistance.Adopt perfluoroethylene-propylene insulating barrier to be wrapped in outside metal bare wire as insulating barrier, electric wire can be made to have excellent fire resistance.Tensile strength and the percentage elongation of insulating barrier are all better than General Purpose Rubber.Be provided with fiberglass braided layer between protective sleeve and core, not only can reach fire-retardant effect, also make electric wire have the performance of stretch-proof, strengthen the useful life of electric wire.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the structural representation of a kind of fire-retardant power cable of the present invention.
Embodiment
As shown in Figure 1; for the preferred embodiment 1 of a kind of fire-retardant power cable of the present invention; comprise core and be coated on the protective sleeve 1 outside described core; described core is the conductor that electric unit and gasket for packing 3 are intertwined; the insulating barrier 5 that described electric unit comprises metal bare wire 4 and is coated on outside described metal bare wire 4, described protective sleeve 1 is flame-proof polyvinyl chloride protective sleeve.Adopt flame-proof polyvinyl chloride material to be protective jacket 1, make electric wire have excellent fire resistance.
Fiberglass braided layer 2 is provided with between described flame-proof polyvinyl chloride sheath 1 and core.Not only can reach fire-retardant effect, also make electric wire have the performance of stretch-proof, strengthen the useful life of electric wire.
Described insulating barrier 5 is perfluoroethylene-propylene insulating barrier.The insulating barrier 5 of electric unit is perfluoroethylene-propylene material, and high and low temperature resistance is good, can at-250 ~ 200 DEG C of temperature Long-Time Service, resistance to wear is good, self-lubricating property is excellent, and electrical insulating property is excellent, and not by the impact of operational environment, humidity, temperature and frequency, there is good arc resistance, chemical resistance is excellent, has air-tightness good, resistance to irradiation, low temperature flexibility is good, with the advantage such as metal, glassy bond power is strong.Be wrapped in outside metal bare wire 4 as insulating barrier 5, electric wire can be made to have excellent fire resistance.Tensile strength and the percentage elongation of insulating barrier 5 are all better than General Purpose Rubber.
The foregoing is only specific embodiments of the invention, but technical characteristic of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and the change done or modification are all encompassed among the scope of the claims of the present invention.
Claims (3)
1. a fire-retardant power cable; comprise core and be coated on the protective sleeve (1) outside described core; it is characterized in that: described core is the conductor that electric unit and gasket for packing (3) are intertwined; described electric unit comprises metal bare wire (4) and is coated on described metal bare wire (4) insulating barrier outward (5), and described protective sleeve (1) is flame-proof polyvinyl chloride protective sleeve.
2. the fire-retardant power cable of one according to claim 1, is characterized in that: be provided with fiberglass braided layer (2) between described flame-proof polyvinyl chloride sheath (1) and core.
3. the fire-retardant power cable of one according to claim 1, is characterized in that: described insulating barrier (5) is perfluoroethylene-propylene insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410662791.4A CN104409148A (en) | 2014-11-19 | 2014-11-19 | Flame retardant power supply electric wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410662791.4A CN104409148A (en) | 2014-11-19 | 2014-11-19 | Flame retardant power supply electric wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104409148A true CN104409148A (en) | 2015-03-11 |
Family
ID=52646768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410662791.4A Pending CN104409148A (en) | 2014-11-19 | 2014-11-19 | Flame retardant power supply electric wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104409148A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113411925A (en) * | 2021-06-28 | 2021-09-17 | 安徽天康(集团)股份有限公司 | Tear-resistant series constant-power electric tracing band |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020117325A1 (en) * | 2001-02-23 | 2002-08-29 | Mennone Michael P. | Flame resistant cable structure |
| CN201946367U (en) * | 2011-01-27 | 2011-08-24 | 合肥新远程电缆科技有限公司 | Inflaming-retarding environment-friendly polrvinyl chloride (PVC) insulating cable |
| CN202662349U (en) * | 2012-05-14 | 2013-01-09 | 安徽猎塔电缆集团有限公司 | Flame-retardant power supply cable |
| CN203325508U (en) * | 2013-06-17 | 2013-12-04 | 重庆科宝电缆股份有限公司 | Copper-core fluoro-plastic insulation high-temperature-resisting cable |
| CN204303430U (en) * | 2014-11-19 | 2015-04-29 | 浙江汉维通信器材有限公司 | A kind of fire-retardant power cable |
-
2014
- 2014-11-19 CN CN201410662791.4A patent/CN104409148A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020117325A1 (en) * | 2001-02-23 | 2002-08-29 | Mennone Michael P. | Flame resistant cable structure |
| CN201946367U (en) * | 2011-01-27 | 2011-08-24 | 合肥新远程电缆科技有限公司 | Inflaming-retarding environment-friendly polrvinyl chloride (PVC) insulating cable |
| CN202662349U (en) * | 2012-05-14 | 2013-01-09 | 安徽猎塔电缆集团有限公司 | Flame-retardant power supply cable |
| CN203325508U (en) * | 2013-06-17 | 2013-12-04 | 重庆科宝电缆股份有限公司 | Copper-core fluoro-plastic insulation high-temperature-resisting cable |
| CN204303430U (en) * | 2014-11-19 | 2015-04-29 | 浙江汉维通信器材有限公司 | A kind of fire-retardant power cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113411925A (en) * | 2021-06-28 | 2021-09-17 | 安徽天康(集团)股份有限公司 | Tear-resistant series constant-power electric tracing band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150311 |
|
| RJ01 | Rejection of invention patent application after publication |