CN103325468A - Polyvinyl chloride insulating multi-core power cable - Google Patents
Polyvinyl chloride insulating multi-core power cable Download PDFInfo
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- CN103325468A CN103325468A CN201310265917XA CN201310265917A CN103325468A CN 103325468 A CN103325468 A CN 103325468A CN 201310265917X A CN201310265917X A CN 201310265917XA CN 201310265917 A CN201310265917 A CN 201310265917A CN 103325468 A CN103325468 A CN 103325468A
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- core
- cable
- polyvinyl chloride
- cable core
- power cable
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Abstract
The invention discloses a polyvinyl chloride insulating multi-core power cable which comprises a cable core, a filler layer is arranged in a gap position of the cable core, a lining layer wraps the cable core in a squeezing mode, an armor layer is knitted outside the lining layer, an outer protective sleeve wraps the outmost layer of the cable core in a squeezing mode, and three fan-shaped insulating wire cores and one circular insulating wire cores are twisted to form the cable core. The polyvinyl chloride insulating multi-core power cable is stable in structure, strong in reliability, good in fire resistance, long in service life and suitable for places where the laying density degree is high, such as power stations, metros, tunnels, high-rise buildings, large-scale industrial and mining enterprises, oil fields and coal mines.
Description
Technical field
The present invention relates to the electric wire field, specifically refer to a kind of polyvinyl chloride insulation multi-core power cable.
Background technology
Power cable be divided into some kinds by principal characters such as its scope of application, design feature and performance requirements, PVC insulated power cable is wherein a kind of.PVC insulated power cable, in indoor, the tunnel of mainly being laid in and in the pipeline, but also buried-pipe laying.Existing common PVC insulated power cable, there is the poor and incendive problem of structural stability, this has increased certain difficulty for the design of PVC insulated power cable, therefore the lsafety level of electric wiring and the fire-retardant problem of cable more and more cause people's concern, and fire-retardantization of cable become a comprehensive developing direction of cable industry.
Summary of the invention
Technical problem to be solved by this invention provides a kind of structural stability, reliability is strong, good flame resistance, the polyvinyl chloride insulation multi-core power cable of long service life.
A kind of polyvinyl chloride insulation multi-core power cable of the present invention comprises cable core, is provided with packed layer in the gap of cable core, and cable core extrudes inner covering outward, and inner covering weaves armour outward, and the cable core outermost layer extrudes oversheath; Described cable core is by three fan-shaped insulated wire cores and stranded the forming of round insulation core.
Further improve, described fan-shaped insulated wire cores is identical with round insulation core structure, by conductor and be coated on the conductor external insulation layer and consist of.
Further improve, described armour is braided steel wire structure or steel band structure again.
Beneficial effect of the present invention is:
Compared with prior art, the structure that cable of the present invention adopts, improved aging phenomenon, job stability and the reliability of polyvinyl chloride cable have been improved, when cable is on fire, the carburization zone that inner covering, oversheath form heat insulation resistance oxygen plays protection to cable, thereby stops flame cable expansion burning; The wire armoring structure has also improved the shielding of cable in addition, thereby has improved the useful life of cable.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of polyvinyl chloride insulation multi-core power cable of the present invention comprises cable core, is provided with packed layer 3 in the gap of cable core, and cable core extrudes inner covering 4 outward, inner covering 4 outer braiding armours 5, and the cable core outermost layer extrudes oversheath 6; Described cable core is by three fan-shaped insulated wire cores and stranded the forming of round insulation core.Described fan-shaped insulated wire cores is identical with round insulation core structure, by conductor 1 and be coated on conductor 1 external insulation layer 2 and consist of.
Armour 5 described above is braided steel wire structure or steel band structure.
The concrete application approach of the present invention is a lot, and the above only is preferred implementation of the present invention, should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (3)
1. a polyvinyl chloride insulation multi-core power cable comprises cable core, it is characterized in that, is provided with packed layer (3) in the gap of cable core, and cable core extrudes inner covering (4) outward, the outer braiding of inner covering (4) armour (5), and the cable core outermost layer extrudes oversheath (6); Described cable core is by three fan-shaped insulated wire cores and stranded the forming of round insulation core.
2. polyvinyl chloride insulation multi-core power cable according to claim 1 is characterized in that, described fan-shaped insulated wire cores is identical with round insulation core structure, by conductor (1) and be coated on conductor (1) external insulation layer (2) and consist of.
3. polyvinyl chloride insulation multi-core power cable according to claim 1 is characterized in that, described armour (5) is braided steel wire structure or steel band structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310265917XA CN103325468A (en) | 2013-06-28 | 2013-06-28 | Polyvinyl chloride insulating multi-core power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310265917XA CN103325468A (en) | 2013-06-28 | 2013-06-28 | Polyvinyl chloride insulating multi-core power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103325468A true CN103325468A (en) | 2013-09-25 |
Family
ID=49194158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310265917XA Pending CN103325468A (en) | 2013-06-28 | 2013-06-28 | Polyvinyl chloride insulating multi-core power cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN103325468A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63193407A (en) * | 1987-02-04 | 1988-08-10 | 日立電線株式会社 | Fireproof wire |
| CN201893153U (en) * | 2010-10-14 | 2011-07-06 | 安徽五洲特种电缆集团有限公司 | Special ultravioresistant plateau cable capable of preventing damages from rats and birds |
| CN202171962U (en) * | 2011-08-04 | 2012-03-21 | 四川川东电缆有限责任公司 | Insulated wire and cable |
| CN202523470U (en) * | 2012-02-29 | 2012-11-07 | 江苏亚飞电线电缆有限公司 | Polyvinyl chloride insulation steel strip armour polyvinyl chloride sheath power cable |
| CN202601286U (en) * | 2012-02-29 | 2012-12-12 | 江苏亚飞电线电缆有限公司 | Polyvinyl chloride insulating steel wire armoured polyvinyl chloride sheath power cable |
| CN203386524U (en) * | 2013-06-28 | 2014-01-08 | 无锡市新阳光电缆有限公司 | Polyvinyl chloride insulating multi-core power cable |
-
2013
- 2013-06-28 CN CN201310265917XA patent/CN103325468A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63193407A (en) * | 1987-02-04 | 1988-08-10 | 日立電線株式会社 | Fireproof wire |
| CN201893153U (en) * | 2010-10-14 | 2011-07-06 | 安徽五洲特种电缆集团有限公司 | Special ultravioresistant plateau cable capable of preventing damages from rats and birds |
| CN202171962U (en) * | 2011-08-04 | 2012-03-21 | 四川川东电缆有限责任公司 | Insulated wire and cable |
| CN202523470U (en) * | 2012-02-29 | 2012-11-07 | 江苏亚飞电线电缆有限公司 | Polyvinyl chloride insulation steel strip armour polyvinyl chloride sheath power cable |
| CN202601286U (en) * | 2012-02-29 | 2012-12-12 | 江苏亚飞电线电缆有限公司 | Polyvinyl chloride insulating steel wire armoured polyvinyl chloride sheath power cable |
| CN203386524U (en) * | 2013-06-28 | 2014-01-08 | 无锡市新阳光电缆有限公司 | Polyvinyl chloride insulating multi-core power cable |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130925 |