CN202855375U - Polyvinyl chloride control cable - Google Patents
Polyvinyl chloride control cable Download PDFInfo
- Publication number
- CN202855375U CN202855375U CN 201220501802 CN201220501802U CN202855375U CN 202855375 U CN202855375 U CN 202855375U CN 201220501802 CN201220501802 CN 201220501802 CN 201220501802 U CN201220501802 U CN 201220501802U CN 202855375 U CN202855375 U CN 202855375U
- Authority
- CN
- China
- Prior art keywords
- polyvinyl chloride
- layer
- wrapped
- chloride control
- control cable
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a polyvinyl chloride control cable. According to the polyvinyl chloride control cable, fireproof mica tapes are squeezingly wrapped on the exteriors of conductors; crosslinking polyvinyl chloride insulating layers are squeezingly wrapped on the exteriors of the fireproof mica tapes so as to form insulating wire cores; seven insulating wire cores are stranded to form a cable core; a wrapping tape layer is wrapped on the exterior of the cable core; a lining layer is wrapped on the exterior of the wrapping tape layer; an armoring layer is wrapped on the exterior of the lining layer; and a sheath layer is squeezingly wrapped on the exterior of the armoring layer. According to the polyvinyl chloride control cable of the utility model, high-flame-retardant low-smoke halogen-free corrosion-resistant polyolefin is extruded to form the lining layer; the sheath layer is a high-flame-retardant low-smoke halogen-free polyolefin sheath layer. The polyvinyl chloride control cable has the advantages of excellent corrosion resistance, high mechanical strength and the like; and further, the polyvinyl chloride control cable can assist in effectively preventing the burning of flames, improving fire-prevention performance, and prolonging the service life of the cable.
Description
Technical field
The utility model belongs to the electric wire field, is specifically related to a kind of polyvinyl chloride control cables.
Background technology
Along with socioeconomic development, the electric wire consumption increases rapidly, the electrical fire accident also occurs again and again, people are from the heaviness lesson of electrical fire accident, recognize gradually at some important places, such as electric equipments in the circuits such as naval vessel, production platform, petroleum chemical enterprise, large-scale power station, large-scale command and control center and skyscraper, underground structure, tunnel, subway, it is very important keeping being in stable running status in the certain hour under fire condition.
The utility model content
The utility model purpose provides a kind of simple in structure, polyvinyl chloride control cables of having good insulation property and can moving continuously in thermal-flame.
Scheme of the present utility model is as follows: a kind of polyvinyl chloride control cables, and its conductor extrudes fire-resistant isinglass belt outward, and described fire-resistant isinglass belt extrudes crosslinked polyetylene insulated layer outward and consists of insulated wire cores, and seven thoroughly do away with edge core twisted synthesizing cable consists of cable core; The outer wrapped belting layer of described cable core, the outer wrapping lining-layer of described belting layer, the outer wrapped armour of described inner covering, described armour extrudes restrictive coating outward.
Described belting layer is adopted the overlapping wrapped formation of fire-retardant oxygen barrier band.
Described inner covering adopts the corrosion-resistant polyolefin of high flame resistance, low smoke Halogen to extrude formation.
Described restrictive coating is the corrosion-resistant polyolefin jacket layer of high flame resistance, low smoke Halogen.
The utility model construction of cable is simple, inner covering adopts the corrosion-resistant polyolefin of high flame resistance, low smoke Halogen to extrude formation, restrictive coating is the corrosion-resistant polyolefin jacket layer of high flame resistance, low smoke Halogen, has the well advantage such as fire-retardant, high mechanical properties, can effectively prevent the burning of flame, improve the fireproofing of cable performance, prolong cable useful life.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
A kind of polyvinyl chloride control cables, its conductor 1 outer fire-resistant isinglass belt 2 that extrudes extrudes crosslinked polyetylene insulated layer 3 and consists of insulated wire cores outside the described fire-resistant isinglass belt 2, and seven thoroughly do away with edge core twisted synthesizing cables consists of cable core; The outer wrapped belting layer 4 of described cable core, described belting layer 4 outer wrapping lining-layers 5, described inner covering 5 outer wrapped armours 6, the described armour 6 outer restrictive coatings 7 that extrude.
In the implementation, described belting layer 4 is adopted the overlapping wrapped formation of fire-retardant oxygen barrier band, and described inner covering 5 adopts the corrosion-resistant polyolefin of high flame resistance, low smoke Halogen to extrude formation, and described restrictive coating 7 is the corrosion-resistant polyolefin jacket layer of high flame resistance, low smoke Halogen.
Although above embodiment of the present utility model has been given to describe in detail and explanation; but what should indicate is; we can carry out various equivalences to above-mentioned execution mode according to conception of the present utility model and change and modification; when its function that produces does not exceed spiritual that specification and accompanying drawing contain yet, all should be within protection range of the present utility model.
Claims (4)
1. a polyvinyl chloride control cables is characterized in that conductor extrudes fire-resistant isinglass belt outward, and described fire-resistant isinglass belt extrudes crosslinked polyetylene insulated layer outward and consists of insulated wire cores, and seven thoroughly do away with edge core twisted synthesizing cable consists of cable core; The outer wrapped belting layer of described cable core, the outer wrapping lining-layer of described belting layer, the outer wrapped armour of described inner covering, described armour extrudes restrictive coating outward.
2. a kind of polyvinyl chloride control cables according to claim 1 is characterized in that described belting layer adopts the overlapping wrapped formation of fire-retardant oxygen barrier band.
3. a kind of polyvinyl chloride control cables according to claim 1 is characterized in that described inner covering adopts the corrosion-resistant polyolefin of high flame resistance, low smoke Halogen to extrude formation.
4. a kind of polyvinyl chloride control cables according to claim 1 is characterized in that described restrictive coating is the corrosion-resistant polyolefin jacket layer of high flame resistance, low smoke Halogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220501802 CN202855375U (en) | 2012-09-28 | 2012-09-28 | Polyvinyl chloride control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220501802 CN202855375U (en) | 2012-09-28 | 2012-09-28 | Polyvinyl chloride control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855375U true CN202855375U (en) | 2013-04-03 |
Family
ID=47986546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220501802 Expired - Fee Related CN202855375U (en) | 2012-09-28 | 2012-09-28 | Polyvinyl chloride control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855375U (en) |
-
2012
- 2012-09-28 CN CN 201220501802 patent/CN202855375U/en not_active Expired - Fee Related
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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: 20130403 Termination date: 20140928 |
|
| EXPY | Termination of patent right or utility model |