CN209880245U - Crosslinked polyethylene insulated power cable - Google Patents
Crosslinked polyethylene insulated power cable Download PDFInfo
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- CN209880245U CN209880245U CN201920997330.0U CN201920997330U CN209880245U CN 209880245 U CN209880245 U CN 209880245U CN 201920997330 U CN201920997330 U CN 201920997330U CN 209880245 U CN209880245 U CN 209880245U
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Abstract
The utility model relates to a crosslinked polyethylene insulated power cable, include conductor, insulating layer, wrap around covering and sheath, the insulating layer parcel is in the outside of conductor, wrap up the outside at all insulating layers around the covering, the sheath parcel is in the outside around the covering, the sheath is metal sheath. Compared with the prior art, the utility model discloses insulating power cable of crosslinked polyethylene quality is safe and reliable more than traditional crosslinked cable, changes traditional cable structure mode, but also can replace fire-retardant and fireproof cable, promotes market competition. The structure is suitable for various cables, such as copper core, aluminum core and aluminum alloy cable, and can be widely used.
Description
Technical Field
The utility model relates to a cable especially relates to an insulating power cable of crosslinked polyethylene.
Background
With the continuous development of domestic cities, the economy is rapidly increased, and a plurality of high-rise buildings emerge in large quantities. For example, the number of low-voltage 0.6/1kv crosslinked polyethylene insulated cables is increased, and meanwhile, the demand of the cables is high, so that price competition is the strongest, the main reason is still simple structure, the cables are generally made of three-wire five-phase systems, and improvement on the basis is difficult, so that a novel cable with a changed traditional structure is sought, which is helpful for ensuring the performance of the original cable, hopefully reducing the cost of the cable and improving the product competitiveness.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a cross-linked polyethylene insulated power cable for overcoming the above-mentioned drawbacks of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a crosslinked polyethylene insulated power cable, includes conductor, insulating layer, winds covering and sheath, the insulating layer parcel is in the outside of conductor, wind the outside of covering parcel at all insulating layers, the sheath parcel is in the outside of winding the covering, the sheath is the metal sheath.
The utility model discloses an in an embodiment, crosslinked polyethylene insulated power cable is four-core structure, promptly, including four conductors, four insulating layers, one around covering and a sheath, the outside of every conductor has all been wrapped up by an insulating layer, wrap up the outside at all insulating layers around the covering, the sheath parcel is in the outside around the covering, the sheath is the copper sheath.
In one embodiment of the invention, the thickness of the sheath is 0.6-1.5 mm.
In one embodiment of the present invention, the insulating layer is XLPE crosslinked polyethylene insulating layer or ceramic polyolefin insulating layer.
In one embodiment of the present invention, the conductor is a copper conductor, an aluminum conductor, or an aluminum alloy conductor.
In one embodiment of the present invention, the conductor is in a fan-shaped or tile-shaped structure.
In an embodiment of the present invention, the wrapping layer is a non-woven fabric or a glass fiber tape or a halogen-free flame retardant tape.
In an embodiment of the present invention, the sheath is a copper strip or brass strip or aluminum strip welded structure.
The utility model discloses in, the sheath is metal sheathing, has changed the form of original plastic sheath, and metal sheathing can replace 1 core, improves traditional three-phase five-wire system mode, changes 4 cores, 4 cores into 3 cores, 3 cores into 2 cores by original 5 cores of structure, greatly reduced manufacturing cost, and the whole external diameter of cable reduces 2-6mm moreover, promotes the efficiency of construction greatly in using the installation.
The utility model discloses in, the thickness of sheath is 0.6-1.5mm, and design ground resistance has sufficient ground surface, effectively replaces 1 core cable core, and the little construction of bend radius is simple and easy.
Compared with the prior art, the utility model discloses insulating power cable of crosslinked polyethylene quality is safe and reliable more than traditional crosslinked cable, changes traditional cable structure mode, but also can replace fire-retardant and fireproof cable, promotes market competition. The structure is suitable for various cables, such as copper core, aluminum core and aluminum alloy cable, and can be widely used.
Drawings
Fig. 1 is a schematic structural view of a crosslinked polyethylene insulated power cable according to example 1.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1, a cross-linked polyethylene insulated power cable is a four-core structure, that is, the cable includes four conductors 1, four insulating layers 2, a wrapping layer 3 and a sheath 4, the outer surface of each conductor 1 is wrapped with one insulating layer 2, the wrapping layer 3 is wrapped outside all the insulating layers 2, the sheath 4 is wrapped outside the wrapping layer 3, and the sheath 4 is a copper sheath. The thickness of the sheath 4 is 0.6-1.5 mm. The insulating layer 2 is an XLPE (cross linked polyethylene) insulating layer.
In this embodiment, the conductor 1 is a copper conductor. The conductor 1 adopts a fan-shaped structure. The wrapping layer 3 is a glass fiber tape. The sheath 4 adopts a copper strip welding and grain binding structure.
The ground resistance was 0.193 Ω/km when the cable was in the specification of 4 95 square mm, 0.153 Ω/km when the cable was in the specification of 4 120 square mm, and 1.15 Ω/km when the cable was in the specification of 4 16 square mm.
In this embodiment, sheath 4 is metal sheath, has changed the form of original plastic sheath, and metal sheath can replace 1 core, improves traditional three-phase five-wire system mode, changes 4 cores by 5 cores of original structure, greatly reduced manufacturing cost, and the whole external diameter of cable reduces 2-6mm moreover, promotes the efficiency of construction greatly in the use installation.
In the embodiment, the thickness of the sheath 4 is 0.6-1.5mm, the designed grounding resistor has enough grounding area, 1-core cable cores are effectively replaced, the bending radius is small, and the construction is simple.
Example 2
Referring to fig. 1, a cross-linked polyethylene insulated power cable is a four-core structure, that is, the cable includes four conductors 1, four insulating layers 2, a wrapping layer 3 and a sheath 4, the outer surface of each conductor 1 is wrapped with one insulating layer 2, the wrapping layer 3 is wrapped outside all the insulating layers 2, the sheath 4 is wrapped outside the wrapping layer 3, and the sheath 4 is a copper sheath. The thickness of the sheath 4 is 0.6-1.5 mm. The insulating layer 2 is a ceramic polyolefin insulating layer.
In this embodiment, the conductor 1 is an aluminum conductor. The conductor 1 adopts a fan-shaped structure. The wrapping layer 3 is made of non-woven fabric. The sheath 4 adopts a brass strip welding and grain binding structure.
In this embodiment, sheath 4 is metal sheath, has changed the form of original plastic sheath, and metal sheath can replace 1 core, improves traditional three-phase five-wire system mode, changes 4 cores by 5 cores of original structure, greatly reduced manufacturing cost, and the whole external diameter of cable reduces 2-6mm moreover, promotes the efficiency of construction greatly in the use installation.
In the embodiment, the thickness of the sheath 4 is 0.6-1.5mm, the designed grounding resistor has enough grounding area, 1-core cable cores are effectively replaced, the bending radius is small, and the construction is simple.
Example 3
Referring to fig. 1, a cross-linked polyethylene insulated power cable is a four-core structure, that is, the cable includes four conductors 1, four insulating layers 2, a wrapping layer 3 and a sheath 4, the outer surface of each conductor 1 is wrapped with one insulating layer 2, the wrapping layer 3 is wrapped outside all the insulating layers 2, the sheath 4 is wrapped outside the wrapping layer 3, and the sheath 4 is a copper sheath. The thickness of the sheath 4 is 0.6-1.5 mm. The insulating layer 2 is a ceramic polyolefin insulating layer.
In this embodiment, the conductor 1 is an aluminum alloy conductor. The conductor 1 adopts a fan-shaped structure. The wrapping layer 3 is a halogen-free flame-retardant tape. The sheath 4 adopts an aluminum strip welding and banding structure.
In this embodiment, sheath 4 is metal sheath, has changed the form of original plastic sheath, and metal sheath can replace 1 core, improves traditional three-phase five-wire system mode, changes 4 cores by 5 cores of original structure, greatly reduced manufacturing cost, and the whole external diameter of cable reduces 2-6mm moreover, promotes the efficiency of construction greatly in the use installation.
In the embodiment, the thickness of the sheath 4 is 0.6-1.5mm, the designed grounding resistor has enough grounding area, 1-core cable cores are effectively replaced, the bending radius is small, and the construction is simple.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (8)
1. The utility model provides a crosslinked polyethylene insulated power cable, its characterized in that includes conductor (1), insulating layer (2), winds covering (3) and sheath (4), insulating layer (2) parcel is in the outside of conductor (1), wind the outside of covering (3) parcel at all insulating layers (2), sheath (4) parcel is in the outside of winding covering (3), sheath (4) are metal sheath.
2. A cross-linked polyethylene insulated power cable according to claim 1, characterized by comprising four conductors (1), four insulating layers (2), a wrapping layer (3) and a sheath (4), wherein each conductor (1) is covered with one insulating layer (2), the wrapping layer (3) covers all the insulating layers (2), and the sheath (4) covers the wrapping layer (3).
3. A crosslinked polyethylene insulated electric power cable according to claim 1 or 2, characterized in that the thickness of the sheath (4) is 0.6-1.5 mm.
4. A crosslinked polyethylene insulated electric power cable according to claim 1, characterized in that said insulating layer (2) is XLPE crosslinked polyethylene insulating layer or ceramic polyolefin insulating layer.
5. A crosslinked polyethylene insulated power cable according to claim 1, characterized in that the conductor (1) is a copper conductor, an aluminum conductor or an aluminum alloy conductor.
6. A crosslinked polyethylene insulated electric power cable according to claim 1, characterized in that the conductor (1) is of fan or tile structure.
7. A crosslinked polyethylene insulated power cable according to claim 1, characterized in that the wrapping layer (3) is a non-woven fabric or a glass fiber tape or a halogen-free flame retardant tape.
8. A cross-linked polyethylene insulated power cable according to claim 1, characterized in that the sheath (4) is a welded-crimped structure of copper or brass or aluminum tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920997330.0U CN209880245U (en) | 2019-06-28 | 2019-06-28 | Crosslinked polyethylene insulated power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920997330.0U CN209880245U (en) | 2019-06-28 | 2019-06-28 | Crosslinked polyethylene insulated power cable |
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| CN209880245U true CN209880245U (en) | 2019-12-31 |
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| CN201920997330.0U Active CN209880245U (en) | 2019-06-28 | 2019-06-28 | Crosslinked polyethylene insulated power cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112420249A (en) * | 2020-11-03 | 2021-02-26 | 安徽电缆股份有限公司 | Novel electrified railway cable and manufacturing process thereof |
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2019
- 2019-06-28 CN CN201920997330.0U patent/CN209880245U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112420249A (en) * | 2020-11-03 | 2021-02-26 | 安徽电缆股份有限公司 | Novel electrified railway cable and manufacturing process thereof |
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