CN202523471U - Crosslinked polyethylene insulation polyethylene sheath power cable - Google Patents
Crosslinked polyethylene insulation polyethylene sheath power cable Download PDFInfo
- Publication number
- CN202523471U CN202523471U CN2012200715068U CN201220071506U CN202523471U CN 202523471 U CN202523471 U CN 202523471U CN 2012200715068 U CN2012200715068 U CN 2012200715068U CN 201220071506 U CN201220071506 U CN 201220071506U CN 202523471 U CN202523471 U CN 202523471U
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- China
- Prior art keywords
- layer
- metallic conductor
- utility
- crosslinked polyetylene
- polyetylene insulated
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Abstract
The utility model relates to crosslinked polyethylene insulation polyethylene sheath power cable. The cable comprises at least one metal conductor. The each metal conductor is wrapped with a crosslinked polyethylene insulation layer. The crosslinked polyethylene insulation layer is wrapped with a polyethylene outer sheath layer. A tape wrapping layer is arranged between the crosslinked polyethylene insulation layer and the polyethylene outer sheath layer. Insulation reliability of the cable is high. A current-carrying capacity is large. A flame-retardant effect is good. The cable can be used in places of an indoor area, a tunnel, a cable trench and the like.
Description
Technical field
The utility model relates to the technical field of power cable, especially a kind of crosslinked polyetylene insulated pe sheath power cable.
Background technology
The current capacity of cable is relevant with the sectional area of conductor thread core usually; Conductor temperature is raise; The temperature of the outer insulating barrier that coats of conductor surpasses the last change that can cause on the insulating barrier generation performance in limited time; Thereby the insulating reliability of insulating barrier is reduced greatly, influence the useful life of cable.
Existing common cable exists structural stability difference and incendive problem simultaneously, so the fire-retardant problem of the lsafety level of electric wiring and cable more and more causes people's attention.
The utility model content
The technical problem that the utility model will solve is: in order to solve the problem that proposes in the above-mentioned background technology, the utility model provides a kind of crosslinked polyetylene insulated pe sheath power cable, and its insulating reliability is big, and ampacity is big, good flame retardation effect.
The utility model solves the technical scheme that its technical problem adopted: a kind of crosslinked polyetylene insulated pe sheath power cable; Comprise at least one metallic conductor; Each metallic conductor is coated with crosslinked polyetylene insulated layer; Crosslinked polyetylene insulated layer is coated with the polyethylene external sheath layer, is provided with belting layer between crosslinked polyetylene insulated layer and the polyethylene external sheath layer.
Further: the cross section of each metallic conductor is circle or fan-like pattern.
Further: each metallic conductor is copper core or aluminium core.
Further: metallic conductor is 2 or 3 or 4 or 5.
Further: be equipped with packed layer between the outer crosslinked polyetylene insulated layer that coats of belting layer and each metallic conductor and between the outer crosslinked polyetylene insulated layer that coats of each metallic conductor.
The beneficial effect of the utility model: each metallic conductor is coated with crosslinked polyetylene insulated layer in the cable of the utility model; The insulating reliability of crosslinked polyetylene insulated layer is big; Have favorable mechanical physical property, environmental stress cracking resistance and resistance to wear, can bear concentrated mechanical stress; Under rated voltage 0.6/1kV condition of power supply, the maximum amount fixed temperature can reach 90 ℃ during crosslinked polyetylene insulated layer of long-term work, and ampacity is bigger.Crosslinked polyetylene insulated layer is coated with the polyethylene external sheath layer, and the good flame retardation effect of polyethylene external sheath layer, and then prolonged useful life of cable is used for places such as indoor, tunnel and cable trough.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the cross section structure sketch map of the utility model embodiment one;
Fig. 2 is the cross section structure sketch map of the utility model embodiment two;
Fig. 3 is the cross section structure sketch map of the utility model embodiment three;
Fig. 4 is the cross section structure sketch map of the utility model embodiment four;
Fig. 5 is the cross section structure sketch map of the utility model embodiment five;
Fig. 6 is the cross section structure sketch map of the utility model embodiment six;
Fig. 7 is the cross section structure sketch map of the utility model embodiment seven;
Fig. 8 is the cross section structure sketch map of the utility model embodiment eight;
Fig. 9 is the cross section structure sketch map of the utility model embodiment nine;
Figure 10 is the cross section structure sketch map of the utility model embodiment ten;
Figure 11 is the cross section structure sketch map of the utility model embodiment 11;
Figure 12 is the cross section structure sketch map of the utility model embodiment 12.
Among the figure 1, metallic conductor, 2, crosslinked polyetylene insulated layer, 3, belting layer, 4, the polyethylene external sheath layer, 5, packed layer.
Embodiment
Combine accompanying drawing that the utility model is done further detailed explanation now.These accompanying drawings are the sketch map of simplification, the basic structure of the utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Crosslinked polyetylene insulated pe sheath power cable like Fig. 1-the utility model shown in Figure 12; Comprise at least one metallic conductor 1; Each metallic conductor 1 is coated with crosslinked polyetylene insulated layer 2; The insulating reliability of crosslinked polyetylene insulated layer 2 is big, has favorable mechanical physical property, environmental stress cracking resistance and resistance to wear, can bear concentrated mechanical stress; Under rated voltage 0.6/1kV condition of power supply, the maximum amount fixed temperature can reach 90 ℃ during crosslinked polyetylene insulated layer of 2 long-term work, and ampacity is bigger.Crosslinked polyetylene insulated layer 2 is coated with polyethylene external sheath layer 4, and the good flame retardation effect of polyethylene external sheath layer 4 has prolonged useful life of cable simultaneously, is provided with belting layer 3 between crosslinked polyetylene insulated layer 2 and the polyethylene external sheath layer 4.
The cross section of above-mentioned each metallic conductor 1 is circle or fan-like pattern; Each metallic conductor 1 is copper core or aluminium core; Metallic conductor 1 is 2 or 3 or 4 or 5; Be equipped with packed layer 5 between belting layer 3 and each metallic conductor 1 outer crosslinked polyetylene insulated layer 2 that coats and between each metallic conductor 1 outer crosslinked polyetylene insulated layer 2 that coats.
Be not provided with packed layer 5 and the metallic conductor 1 of the utility model embodiment one as shown in Figure 1 are that 1 cross section is circular structure; Be provided with packed layer 5 and the metallic conductor 1 of the utility model embodiment two as shown in Figure 2 are that 2 cross sections are circular structures; The utility model embodiment three as shown in Figure 3 be provided with packed layer 5 and metallic conductor 1 is 2 structures that the cross section is a fan-like pattern; Be provided with packed layer 5 and the metallic conductor 1 of the utility model embodiment four as shown in Figure 4 are that 3 cross sections are circular structures; The utility model embodiment five as shown in Figure 5 be provided with packed layer 5 and metallic conductor 1 is 3 structures that the cross section is a fan-like pattern;
Be provided with packed layer 5 and the metallic conductor 1 of the utility model embodiment six as shown in Figure 6 are that 4 cross sections are circular structures; The utility model embodiment seven as shown in Figure 7 be provided with packed layer 5 and metallic conductor 1 is 4 structures that the cross section is a fan-like pattern; Packed layer 5 and the metallic conductor 1 that be provided with of the utility model embodiment eight as shown in Figure 8 is the structure of 3+1 cross section for circle; Packed layer 5 and the metallic conductor 1 that be provided with of the utility model embodiment nine as shown in Figure 9 is 3+1, and wherein 3 cross sections are fan-like pattern, and 1 cross section be the structure of circle; Be provided with packed layer 5 and the metallic conductor 1 of the utility model embodiment ten shown in figure 10 are that 5 cross sections are circular structures; Packed layer 5 and the metallic conductor 1 that be provided with of the utility model embodiment 11 shown in figure 11 is the structure of 4+1 cross section for circle; Packed layer 5 and the metallic conductor 1 that be provided with of the utility model embodiment 12 shown in figure 12 is the structure of 3+2 cross section for circle.
With above-mentioned desirable embodiment according to the utility model is enlightenment, and through above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the specification, must confirm its technical scope according to the claim scope.
Claims (5)
1. crosslinked polyetylene insulated pe sheath power cable; It is characterized in that: comprise at least one metallic conductor (1); Each metallic conductor (1) is coated with crosslinked polyetylene insulated layer (2); Crosslinked polyetylene insulated layer (2) is coated with polyethylene external sheath layer (4), is provided with belting layer (3) between crosslinked polyetylene insulated layer (2) and the polyethylene external sheath layer (4).
2. crosslinked polyetylene insulated pe sheath power cable according to claim 1 is characterized in that: the cross section of described each metallic conductor (1) is circle or fan-like pattern.
3. crosslinked polyetylene insulated pe sheath power cable according to claim 1 is characterized in that: described each metallic conductor (1) is copper core or aluminium core.
4. crosslinked polyetylene insulated pe sheath power cable according to claim 1 is characterized in that: described metallic conductor (1) is 2 or 3 or 4 or 5.
5. crosslinked polyetylene insulated pe sheath power cable according to claim 4 is characterized in that: be equipped with packed layer (5) between the outer crosslinked polyetylene insulated layer (2) that coats of described belting layer (3) and each metallic conductor (1) and between the outer crosslinked polyetylene insulated layer (2) that coats of each metallic conductor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200715068U CN202523471U (en) | 2012-02-29 | 2012-02-29 | Crosslinked polyethylene insulation polyethylene sheath power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200715068U CN202523471U (en) | 2012-02-29 | 2012-02-29 | Crosslinked polyethylene insulation polyethylene sheath power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202523471U true CN202523471U (en) | 2012-11-07 |
Family
ID=47106409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200715068U Expired - Fee Related CN202523471U (en) | 2012-02-29 | 2012-02-29 | Crosslinked polyethylene insulation polyethylene sheath power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202523471U (en) |
-
2012
- 2012-02-29 CN CN2012200715068U patent/CN202523471U/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 | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20150715 Granted publication date: 20121107 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160115 Granted publication date: 20121107 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20160229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |