CN203013389U - Warp-resistance fireproof power cable - Google Patents
Warp-resistance fireproof power cable Download PDFInfo
- Publication number
- CN203013389U CN203013389U CN 201220595243 CN201220595243U CN203013389U CN 203013389 U CN203013389 U CN 203013389U CN 201220595243 CN201220595243 CN 201220595243 CN 201220595243 U CN201220595243 U CN 201220595243U CN 203013389 U CN203013389 U CN 203013389U
- Authority
- CN
- China
- Prior art keywords
- cable
- tape
- layer
- power cable
- coated
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 7
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 7
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 7
- 239000010445 mica Substances 0.000 claims abstract description 6
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 6
- 239000004677 Nylon Substances 0.000 claims abstract description 4
- 229920001778 nylon Polymers 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000005755 formation reaction Methods 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 3
- 239000002966 varnish Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 abstract 3
- 238000009954 braiding Methods 0.000 abstract 1
- 230000002708 enhancing Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 12
- 238000001354 calcination Methods 0.000 description 3
- 238000004904 shortening Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Abstract
The utility model discloses a warp-resistance fireproof power cable, which comprises a plurality of groups of conductors. Each group of the conductors are externally coated with a compound insulating layer and a mica tape in sequence so as to form an insulating wire core. The compound insulating layer comprises a wrap semiconductive nylon tape, a polyvinyl chloride insulating layer and a semiconductive shielding layer. The plurality of insulating wire cores are stranded into a cable core. The cable core is externally coated with a non-woven fabrics wrap tape, an inner sheath layer and an outer sheath in sequence, wherein the inner sheath layer is formed by cross braiding, and a filling layer is arranged between the cable core and the wrap tape. The warp-resistance fireproof power cable is simple in structure, excellent in insulating performance and warp resistant capability, and long in service life; with the adoption of the design that the compound insulating layer is externally coated with the mica tape, the fireproof characteristic of the cable is effectively improved, so that the cable can endure ignition of high-temperature flame for a long time, and usage safety of the power cable is ensured; and a steel sheet enhances the strength of the cable and prevents the cable from being warped, and threading becomes easy.
Description
Technical field
The utility model relates to the electric wire field, is specially a kind of warp resistance fireproof power cable.
Background technology
Along with the fast development of power industry, urban construction, all trades and professions are more and more higher to the requirement of cable.Existing power cable insulation performance is not good; fire resistance is relatively poor; when breaking out of fire; the not flame resistant baking of this class cable be difficult to isolated flame, so flame is easy to these protective layers of ablation; make cable directly be subject to the calcination of flame; there is potential safety hazard, and the anti-twist scarce capacity of common power cable, be subjected to for a long time distortion to affect the useful life of easy shortening cable.
The utility model content
The purpose of this utility model is to provide a kind of warp resistance fireproof power cable, not good to solve power cable insulation performance traditional in prior art, fire resistance is relatively poor, the warp resistance scarce capacity, be subjected to for a long time distortion to affect easy shortening cable useful life, when fire occurs, cable easily is subjected to the flame calcination affect and cause decreasing insulating, has the problem of potential safety hazard.
For achieving the above object, the technical solution adopted in the utility model is:
a kind of warp resistance fireproof power cable, include the array conductor, it is characterized in that: every group of conductor all is coated with composite insulation layer and mica tape outward successively, and formation insulated wire cores, described composite insulation layer is followed successively by wrapped semiconductive nylon tape from inside to outside, polyvinyl chloride insulation layer and semiconductive shielding layer, the stranded formation cable core of several insulated wire cores, described cable core is coated with the nonwoven fabrics twining package tape, the top and the bottom of insulated wire cores, the inside of nonwoven fabrics twining package tape is provided with two steel discs, the steel disc surface scribbles underwater paint and insulating varnish, described twining package tape is coated with the inner sheath that interlacing consists of, described inner sheath is coated with oversheath, be provided with packed layer between described cable core and twining package tape.
Described a kind of warp resistance fireproof power cable is characterized in that: described oversheath adopts flame-proof polyvinyl chloride to make.
The beneficial effects of the utility model are:
The utility model is simple in structure, adopts the design of composite insulation layer, has effectively promoted the insulation property of power cable; Inner sheath adopts the design of interlacing, and the interlacing structure has larger extending space, has effectively promoted the anti-twist ability of cable; Employing arranges the design of mica tape outside composite insulation layer, effectively promoted the fire-resistance property of cable, can stand for a long time the thermal-flame calcination, has ensured the use safety of power cable, and steel disc makes the intensity of cable higher, prevent distortion, and threading is easy.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
as shown in Figure 1, a kind of warp resistance fireproof power cable, include array conductor 1, every group of outer composite insulation layer and mica tape 5 of all being coated with successively of conductor 1, and formation insulated wire cores, composite insulation layer is followed successively by wrapped semiconductive nylon tape 2 from inside to outside, polyvinyl chloride insulation layer 3 and semiconductive shielding layer 4, the stranded formation cable core of several insulated wire cores, cable core is coated with nonwoven fabrics twining package tape 6, the top and the bottom of insulated wire cores, the inside of nonwoven fabrics twining package tape 6 is provided with two steel discs 9, steel disc 9 surfaces scribble underwater paint and insulating varnish, twining package tape 6 is coated with the inner sheath 7 that interlacing consists of, inner sheath 7 is coated with oversheath 8, be provided with packed layer between cable core and twining package tape 6.Oversheath 8 adopts flame-proof polyvinyl chloride to make.
Claims (2)
1. warp resistance fireproof power cable, include the array conductor, it is characterized in that: every group of conductor all is coated with composite insulation layer and mica tape outward successively, and formation insulated wire cores, described composite insulation layer is followed successively by wrapped semiconductive nylon tape from inside to outside, polyvinyl chloride insulation layer and semiconductive shielding layer, the stranded formation cable core of several insulated wire cores, described cable core is coated with the nonwoven fabrics twining package tape, the top and the bottom of insulated wire cores, the inside of nonwoven fabrics twining package tape is provided with two steel discs, the steel disc surface scribbles underwater paint and insulating varnish, described twining package tape is coated with the inner sheath that interlacing consists of, described inner sheath is coated with oversheath, be provided with packed layer between described cable core and twining package tape.
2. a kind of warp resistance fireproof power cable according to claim 1 is characterized in that: described oversheath adopts flame-proof polyvinyl chloride to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595243 CN203013389U (en) | 2012-11-13 | 2012-11-13 | Warp-resistance fireproof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595243 CN203013389U (en) | 2012-11-13 | 2012-11-13 | Warp-resistance fireproof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013389U true CN203013389U (en) | 2013-06-19 |
Family
ID=48604956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220595243 Expired - Fee Related CN203013389U (en) | 2012-11-13 | 2012-11-13 | Warp-resistance fireproof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013389U (en) |
-
2012
- 2012-11-13 CN CN 201220595243 patent/CN203013389U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20131113 |