CN208315264U - A kind of copper core low-smoke halogen-free flame-retardant power cable - Google Patents
A kind of copper core low-smoke halogen-free flame-retardant power cable Download PDFInfo
- Publication number
- CN208315264U CN208315264U CN201820865589.5U CN201820865589U CN208315264U CN 208315264 U CN208315264 U CN 208315264U CN 201820865589 U CN201820865589 U CN 201820865589U CN 208315264 U CN208315264 U CN 208315264U
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- China
- Prior art keywords
- copper core
- retardant
- outside
- low
- smoke
- 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 relates to a kind of copper core low-smoke halogen-free flame-retardant power cables, including copper core, protective case is provided with outside the copper core, the copper core, which is located in protective case, is provided with multiple groups, low smoke, zero halogen polyolefin layer is provided in gap between the copper core and protective case, fire-retardant asbestos set is provided with outside the protective case, the fire-retardant asbestos set is outer to be provided with nonwoven cloth case, metal net cover is provided with outside the nonwoven cloth case, wear-resistance protective sleeve is provided with outside the metal net cover, the fire-retardant asbestos set that above-mentioned cable includes can effectively improve fireproofing of cable high temperature resistance, and above-mentioned fire-retardant asbestos set is outer to be provided with nonwoven cloth case, metal net cover is provided with outside nonwoven cloth case, so as to effectively improve the intensity of cable, improve the use degree of safety of cable.
Description
Technical field
The utility model relates to Power-line technology fields, and in particular to a kind of copper core low-smoke halogen-free flame-retardant power cable.
Background technique
Cable is made of the conductor and external insulating protective layer of one or more mutually insulated, by electric power or information from one
Place is transferred to the conducting wire at another place.Cable is usually by several or several groups of conducting wires (every group at least two) are twisted
Similar rope cable, mutually insulated between every group of conducting wire, and being often twisted into around a center, entire outside is surrounded by height
The coating of insulation.Cable has interior energization, the feature of external insulation.
It is low-resistivity due to this province of copper core, it is widely used in power cable, is usually used in Urban Underground power grid, power station
Lead line, the in-line power of industrial and mining enterprises and the submarine transmission line of crossing river and sea.Now with the development of society, electricity consumption
Amount is consequently increased, it is desirable that the current-carrying capability of cable is increasing, higher and higher for the performance requirement of cable.But it is existing at present
Some cable features are single, fire-retardant, explosion-proof capabilities are poor, especially in atrocious weather, are easy to produce naturally, using
Service life substantially reduces, and there are some potential safety problemss.Therefore, it is badly in need of a kind of improved technology to solve to be deposited in the prior art
This problem.
Utility model content
The purpose of this utility model is: providing a kind of copper core low-smoke halogen-free flame-retardant power cable, it is ensured that cable strength it is same
When, improve the flame retardant property of cable.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of copper core low-smoke halogen-free flame-retardant power cable, including copper core, the copper core is provided with protective case outside, described
Copper core, which is located in protective case, is provided with multiple groups, and low smoke, zero halogen polyene is provided in the gap between the copper core and protective case
Hydrocarbon layers, the protective case are provided with fire-retardant asbestos set outside, and the fire-retardant asbestos set is outer to be provided with nonwoven cloth case, the nonwoven cloth case
It is provided with metal net cover outside, wear-resistance protective sleeve is provided with outside the metal net cover.
The utility model also includes the following features:
Two reinforcement steel wires are embedded in the low smoke, zero halogen polyolefin layer.
Optical fiber is additionally provided in the low smoke, zero halogen polyolefin layer, the optical fiber is along low smoke, zero halogen polyolefin
The setting of layer circumferential direction interval is multiple.
The outer wall of the fire-retardant asbestos set is provided with opening, it is described be open it is more along being provided at circumferentially spaced of covering of fire-retardant asbestos
It is a, anti-stretching steel wire is provided in the opening.
The copper core is provided centrally with steel wire, and anti-oxidant set is provided with outside the steel wire.
The wear-resistance protective sleeve is made of abrasive rubber, the wear-resistance protective sleeve with a thickness of 2-4mm.
Compared with prior art, the technical effect that the utility model has are as follows: the fire-retardant asbestos set that above-mentioned cable includes
Fireproofing of cable high temperature resistance can be effectively improved, and is provided with nonwoven cloth case, non-woven fabrics outside above-mentioned fire-retardant asbestos set
Set is outer to be provided with metal net cover, so as to effectively improve the intensity of cable, improves the use degree of safety of cable.
Detailed description of the invention
Fig. 1 is the schematic cross-section of copper core low-smoke halogen-free flame-retardant power cable；
Fig. 2 is the cross section structure schematic diagram of copper core.
Specific embodiment
Below with reference to Fig. 1 and Fig. 2, this copper core low-smoke halogen-free flame-retardant power cable is described in further detail:
A kind of copper core low-smoke halogen-free flame-retardant power cable, including copper core 10, the copper core 10 are provided with protective case outside
20, the copper core 10, which is located in protective case 20, is provided with multiple groups, sets in the gap between the copper core 10 and protective case 20
It is equipped with low smoke, zero halogen polyolefin layer 30, fire-retardant asbestos set 40 is provided with outside the protective case 20, the fire-retardant asbestos cover 40 peripheral hardwares
It is equipped with nonwoven cloth case 50, metal net cover 60 is provided with outside the nonwoven cloth case 50, is provided with wear-resisting shield outside the metal net cover 60
Set 70；
The fire-retardant asbestos set 40 that above-mentioned cable includes can effectively improve fireproofing of cable high temperature resistance, and above-mentioned
Fire-retardant asbestos set 40 outside be provided with nonwoven cloth case 50, metal net cover 60 is provided with outside nonwoven cloth case 50, so as to effectively mention
The intensity of high cable improves the use degree of safety of cable.
Position further increases the tensile strength of cable, is embedded with two reinforcement steel wires in the low smoke, zero halogen polyolefin layer 30
31。
It is further preferable that the conveying of electric signal, the low smoke, zero halogen polyolefin can be carried out to improve the function of the cable
Optical fiber 32 is additionally provided in layer 30, the optical fiber 32 is arranged along 30 circumferential direction interval of low smoke, zero halogen polyolefin layer
It is multiple.
Outer wall for the intensity for further enhancing cable, the fire-retardant asbestos set 40 is provided with opening 41, the opening 41
It is multiple along being provided at circumferentially spaced for fire-retardant asbestos set 40, anti-stretching steel wire 42 is provided in the opening 41.
For the tensile strength for improving copper core, the copper core 10 is provided centrally with steel wire 11,11 peripheral hardware of steel wire
It is equipped with anti-oxidant set 12.
For the wear resistance for improving the cable, the wear-resistance protective sleeve 70 is made of abrasive rubber, the thickness of the wear-resistance protective sleeve 70
Degree is 2-4mm, which can be made of silicon rubber, wearability not only can be improved, but also fire resistance can be improved.
It, can be real in other specific forms and without departing substantially from the spirit or essential attributes of the utility model
Existing the utility model.Therefore, it in all respects, the embodiments should be taken as exemplary, and is non-limited
, scope of this utility model is limited by the appended claims rather than the above description, it is intended that claim will be fallen in
All changes in the meaning and scope of equivalency are embraced therein.It should not be by any attached drawing in claim
Label is construed as limiting the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of copper core low-smoke halogen-free flame-retardant power cable, it is characterised in that: including copper core (10), the copper core (10) is outside
It is provided with protective case (20), the copper core (10), which is located in protective case (20), is provided with multiple groups, the copper core (10) and guarantor
It is provided in gap between sheath (20) low smoke, zero halogen polyolefin layer (30), fire-retardant asbestos is provided with outside the protective case (20)
It covers (40), is provided with nonwoven cloth case (50) outside the fire-retardant asbestos set (40), metal mesh is provided with outside the nonwoven cloth case (50)
It covers (60), is provided with wear-resistance protective sleeve (70) outside the metal net cover (60).
2. copper core low-smoke halogen-free flame-retardant power cable according to claim 1, it is characterised in that: the low smoke, zero halogen polyene
Two reinforcement steel wires (31) are embedded in hydrocarbon layers (30).
3. copper core low-smoke halogen-free flame-retardant power cable according to claim 2, it is characterised in that: the low smoke, zero halogen polyene
It is additionally provided with optical fiber (32) in hydrocarbon layers (30), the optical fiber (32) is along low smoke, zero halogen polyolefin layer (30) circumferential direction side
It is multiple to interval setting.
4. copper core low-smoke halogen-free flame-retardant power cable according to claim 1, it is characterised in that: the fire-retardant asbestos set
(40) outer wall is provided with opening (41), and the opening (41) is provided at circumferentially spaced multiple, institute along fire-retardant asbestos set (40)
It states in opening (41) and is provided with anti-stretching steel wire (42).
5. copper core low-smoke halogen-free flame-retardant power cable according to claim 1, it is characterised in that: the copper core (10)
It is provided centrally with steel wire (11), is provided with anti-oxidant set (12) outside the steel wire (11).
6. copper core low-smoke halogen-free flame-retardant power cable according to claim 1, it is characterised in that: the wear-resistance protective sleeve (70)
Be made of abrasive rubber, the wear-resistance protective sleeve (70) with a thickness of 2-4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820865589.5U CN208315264U (en) | 2018-06-06 | 2018-06-06 | A kind of copper core low-smoke halogen-free flame-retardant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820865589.5U CN208315264U (en) | 2018-06-06 | 2018-06-06 | A kind of copper core low-smoke halogen-free flame-retardant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208315264U true CN208315264U (en) | 2019-01-01 |
Family
ID=64710594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820865589.5U Expired - Fee Related CN208315264U (en) | 2018-06-06 | 2018-06-06 | A kind of copper core low-smoke halogen-free flame-retardant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208315264U (en) |
-
2018
- 2018-06-06 CN CN201820865589.5U patent/CN208315264U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20200606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |