CN207731690U - A kind of power cable with cross-linked polyethylene insulation - Google Patents
A kind of power cable with cross-linked polyethylene insulation Download PDFInfo
- Publication number
- CN207731690U CN207731690U CN201820188584.3U CN201820188584U CN207731690U CN 207731690 U CN207731690 U CN 207731690U CN 201820188584 U CN201820188584 U CN 201820188584U CN 207731690 U CN207731690 U CN 207731690U
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- Prior art keywords
- cross
- insulating layer
- layer
- power cable
- linked polyethylene
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Abstract
The utility model discloses a kind of power cable with cross-linked polyethylene insulations; including bundle conductor and protective layer; the bundle conductor is made of conducting wire and the first insulating layer; first insulating layer is wrapped on the outside of conducting wire; conducting wire is twisted by more copper wire; the protective layer is wrapped on the outside of bundle conductor, and the protective layer is followed successively by filled layer, band layer, inner sheath, second insulating layer, oversheath from inside to outside, and first insulating layer and second insulating layer are prepared by cross-linking polyethylene materials.The utility model power cable oversheath uses halogen-free flameproof high-density polyethylene material, high mechanical strength heat-resisting, flame retardant property is good；Inner sheath uses ethylene vinyl acetate copolymer material, has good waterproof, anti-corrosion, ageing-resistant performance；Band layer uses polyimide film material, has good heat-resisting quantity；Insulating layer uses cross-linking polyethylene materials, and thermal deformation is small, stress crack resistant, and electrical insulation capability is good, transmission capacity is big, can improve the service life of cable.
Description
Technical field
The utility model is related to power cable field, especially a kind of power cable with cross-linked polyethylene insulation.
Background technology
With the development of economy with the progress of science and technology, demand of the mankind to communicating, being powered is increasing, and many places need
It is laid with cable.Power cable in cable is the cable for being used for transmission and distributing electric energy, is usually used in underground power grid, the industrial and mineral in city
Industry power supply power transmission line and power station lead line etc..Existing power cable mostly uses greatly PVC insulating materials, and this material is strong
Relatively low, poor heat resistance is spent, when the accidents such as fire occur, burning can release toxic gas, and the gas of release is dissolved in meeting after water
Instrument and meter and equipment to surrounding cause serious corrosion.
Utility model content
In order to overcome in the prior art the defects of cable insulation intensity is low, poor heat resistance, the utility model to provide a kind of
Power cable with cross-linked polyethylene insulation, using intensity, high, good flame resistance environment-friendly materials are made.
Technical solution adopted by the utility model to solve its technical problems is：A kind of crosslinked polyetylene insulated electric power electricity
Cable, including bundle conductor and protective layer, the bundle conductor are collectively formed by conducting wire and the first insulating layer, the first insulating layer package
On the outside of conducting wire, the conducting wire is twisted by more copper wire, and the protective layer is wrapped on the outside of bundle conductor, the protective layer by
It is interior and be followed successively by filled layer, band layer, inner sheath, second insulating layer, oversheath outside, first insulating layer and second insulating layer
It is prepared by cross-linking polyethylene materials.
A kind of above-mentioned power cable with cross-linked polyethylene insulation, the filled layer is by polypropylene tape or glass fabric structure
At.
A kind of above-mentioned power cable with cross-linked polyethylene insulation, the band layer are made of polyimide film, and thickness is
1.0mm~1.5mm.
A kind of above-mentioned power cable with cross-linked polyethylene insulation, the oversheath use halogen-free flameproof high density polyethylene (HDPE) material
Material, thickness are 2.0mm~3.0mm.
A kind of above-mentioned power cable with cross-linked polyethylene insulation, the inner sheath use vinyl-vinyl acetate copolymer
Material, thickness are 1.5mm~2.0mm.
The number of a kind of above-mentioned power cable with cross-linked polyethylene insulation, the bundle conductor is 2~6.
The utility model has the beneficial effects that the utility model power cable oversheath uses halogen-free flameproof high-density polyethylene
Alkene material, high mechanical strength are wear-resisting, heat-resisting, flame retardant property is good；Inner sheath uses vinyl-vinyl acetate copolymer material, tool
There are good waterproof, anti-corrosion, ageing-resistant performance；Band layer uses polyimide film material, has good heat-resisting quantity；Insulation
Layer uses cross-linking polyethylene materials, and thermal deformation is small, stress crack resistant, and electrical insulation capability is good, transmission capacity is big, can improve cable
Service life.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the utility model sectional view.
1. conducting wire in figure, 2. first insulating layers, 3. filled layers, 4. band layers, 5. inner sheaths, 6. second insulating layers, outside 7.
Sheath.
Specific implementation mode
It is below in conjunction with the accompanying drawings and specific real to make those skilled in the art be better understood from the technical solution of the utility model
Mode is applied to elaborate to the utility model.
A kind of power cable with cross-linked polyethylene insulation, including bundle conductor and protective layer, the bundle conductor is by conducting wire 1 and first
Insulating layer 2 collectively forms, and first insulating layer 2 is wrapped in 1 outside of conducting wire, and the conducting wire 1 is twisted by more copper wire, institute
It states protective layer to be wrapped on the outside of bundle conductor, the protective layer is followed successively by filled layer 3, band layer 4, inner sheath 5, second from inside to outside
Insulating layer 6, oversheath 7, first insulating layer 2 and second insulating layer 6 are prepared by cross-linking polyethylene materials.
Further, the filled layer 3 is made of glass fabric.
Further, the band layer 4 is made of polyimide film, thickness 1.0mm.
Further, the oversheath 7 uses halogen-free flameproof high-density polyethylene material, thickness 2.0mm.
Further, the inner sheath 5 uses vinyl-vinyl acetate copolymer material, thickness 2.0mm.
Further, the number of the bundle conductor is 4.
Above example is only the exemplary embodiment of the utility model, is not used in limitation the utility model, this practicality is new
The protection domain of type is defined by the claims.Those skilled in the art can be in the essence and protection domain of the utility model
It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling new in this practicality
In the protection domain of type.
Claims (6)
1. a kind of power cable with cross-linked polyethylene insulation, including bundle conductor and protective layer, which is characterized in that the bundle conductor is by leading
Line (1) and the first insulating layer (2) collectively form, and first insulating layer (2) is wrapped on the outside of conducting wire (1), the conducting wire (1) by
More copper wire are twisted, and the protective layer is wrapped on the outside of bundle conductor, and the protective layer is followed successively by filled layer from inside to outside
(3), band layer (4), inner sheath (5), second insulating layer (6), oversheath (7), first insulating layer (2) and second insulating layer
(6) it is prepared by cross-linking polyethylene materials.
2. a kind of power cable with cross-linked polyethylene insulation according to claim 1, which is characterized in that the filled layer (3)
It is made of polypropylene tape or glass fabric.
3. a kind of power cable with cross-linked polyethylene insulation according to claim 1, which is characterized in that the band layer (4)
It is made of polyimide film, thickness is 1.0mm~1.5mm.
4. a kind of power cable with cross-linked polyethylene insulation according to claim 1, which is characterized in that the oversheath (7)
Using halogen-free flameproof high-density polyethylene material, thickness is 2.0mm~3.0mm.
5. a kind of power cable with cross-linked polyethylene insulation according to claim 1, which is characterized in that the inner sheath (5)
Using vinyl-vinyl acetate copolymer material, thickness is 1.5mm~2.0mm.
6. a kind of power cable with cross-linked polyethylene insulation according to claim 1, which is characterized in that of the bundle conductor
Number is 2~6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820188584.3U CN207731690U (en) | 2018-02-05 | 2018-02-05 | A kind of power cable with cross-linked polyethylene insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820188584.3U CN207731690U (en) | 2018-02-05 | 2018-02-05 | A kind of power cable with cross-linked polyethylene insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731690U true CN207731690U (en) | 2018-08-14 |
Family
ID=63081209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820188584.3U Expired - Fee Related CN207731690U (en) | 2018-02-05 | 2018-02-05 | A kind of power cable with cross-linked polyethylene insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207731690U (en) |
-
2018
- 2018-02-05 CN CN201820188584.3U patent/CN207731690U/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: 20180814 Termination date: 20200205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |