CN212322662U - Water-blocking overhead insulated cable - Google Patents
Water-blocking overhead insulated cable Download PDFInfo
- Publication number
- CN212322662U CN212322662U CN202021231210.9U CN202021231210U CN212322662U CN 212322662 U CN212322662 U CN 212322662U CN 202021231210 U CN202021231210 U CN 202021231210U CN 212322662 U CN212322662 U CN 212322662U
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- Prior art keywords
- conductor
- insulated cable
- water
- overhead insulated
- layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The utility model provides an overhead insulated cable blocks water, including the conductor, the outside of conductor is from interior to outer cladding in proper order and is provided with waterproof layer, semi-conductive shielding layer, insulating layer, the conductor is formed by many metal single lines transposition. The utility model discloses an overhead insulated cable blocks water, waterproof layer material are aluminium or low melting point alloy material, and inside waterproof layer cladding conductor can prevent that the rainwater from following insulating gap infiltration conductor, can exert aluminium or low melting point alloy material's electric conductive property again, and the waterproof layer surface is the corrugate, multiplicable cable compliance, and the adhesive force of corrugate multiplicable cable semiconductive shield layer, insulating layer and aluminum pipe again, improve cable insulation heat shrinkage performance.
Description
Technical Field
The utility model relates to a wire and cable technical field especially relates to an overhead insulated cable blocks water.
Background
The overhead insulated cable is used as a power transmission line, is widely applied to power distribution networks in cities, suburbs and rural areas, effectively solves the problems of corridors and safety which are difficult to solve by bare conductors, but also brings new technical problems, for example, insulation cracking and rainwater can permeate into conductors along with gaps, and concentrate to permeate into the drooping low-lying positions of cables, so that the mechanical load of lines is increased, the aging of the lines is accelerated, the service life of the cables is shortened, and lightning flashover and lightning breakage accidents are easy to occur in thunderstorm weather.
Disclosure of Invention
To exist not enough among the prior art, the utility model provides a built on stilts insulated cable blocks water, this cable conductor adopt the waterproof layer sealed, and the performance that blocks water is good. The utility model adopts the technical proposal that:
a water-blocking overhead insulated cable, wherein: the anti-explosion conductor comprises a conductor, wherein a waterproof layer, a semi-conductive shielding layer and an insulating layer are sequentially coated on the outer side of the conductor from inside to outside.
Preferably, the water-blocking overhead insulated cable, wherein: the conductor comprises a plurality of metal single wires which are distributed from inside to outside and are twisted.
Preferably, the water-blocking overhead insulated cable, wherein: the shape of the metal single line is selected from one or more of a circle, a trapezoid, an S shape and a Z shape.
Preferably, the water-blocking overhead insulated cable, wherein: the metal single wires are selected from one or more of aluminum single wires, aluminum alloy single wires, copper single wires and copper alloy single wires.
Preferably, the water-blocking overhead insulated cable, wherein: the surface of the waterproof layer is corrugated.
Preferably, the water-blocking overhead insulated cable, wherein: the waterproof layer is made of aluminum or a low-melting-point alloy material.
Preferably, the water-blocking overhead insulated cable, wherein: the semiconductive shielding layer is made of a crosslinked polyethylene semiconductive shielding material or a non-crosslinked polyethylene semiconductive shielding material.
Preferably, the water-blocking overhead insulated cable, wherein: the insulating layer is made of one or more of polyethylene, cross-linked polyethylene, polyvinyl chloride and ethylene propylene rubber.
The utility model has the advantages that: the utility model discloses an overhead insulated cable blocks water, waterproof layer material are aluminium or low melting point alloy material, and inside waterproof layer cladding conductor can prevent that the rainwater from following insulating gap infiltration conductor, can exert aluminium or low melting point alloy material's electric conductive property again, and the waterproof layer surface is the corrugate, multiplicable cable compliance, and the adhesive force of corrugate multiplicable cable semiconductive shield layer, insulating layer and aluminum pipe again, improve cable insulation heat shrinkage performance.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.
Detailed Description
The invention is further described with reference to the following specific drawings and examples.
Example 1:
a water-blocking overhead insulated cable, as shown in fig. 2, wherein: the cable comprises a conductor 1, wherein the outer side of the conductor is sequentially coated with a waterproof layer 2, a semi-conductive shielding layer 3 and an insulating layer 4 from inside to outside, and the conductor 1 is formed by twisting a plurality of round aluminum single wires 11 distributed from inside to outside; the surface of the waterproof layer 2 is corrugated, and the waterproof layer 2 is made of aluminum or a low-melting-point alloy material; the semiconductive shielding layer 3 is made of a crosslinked polyethylene semiconductive shielding material or a non-crosslinked polyethylene semiconductive shielding material; the insulating layer 4 is made of one or more of polyethylene, cross-linked polyethylene, polyvinyl chloride and ethylene propylene rubber.
Example 2:
a water-blocking overhead insulated cable, as shown in fig. 3, wherein: the cable comprises a conductor 1, wherein a waterproof layer 2, a semi-conductive shielding layer 3 and an insulating layer 4 are sequentially coated and arranged on the outer side of the conductor from inside to outside, and the conductor 1 is formed by twisting a plurality of trapezoidal aluminum alloy single wires 11 distributed from inside to outside; the surface of the waterproof layer 2 is corrugated, and the waterproof layer 2 is made of aluminum or a low-melting-point alloy material; the semiconductive shielding layer 3 is made of a crosslinked polyethylene semiconductive shielding material or a non-crosslinked polyethylene semiconductive shielding material; the insulating layer 4 is made of one or more of polyethylene, cross-linked polyethylene, polyvinyl chloride and ethylene propylene rubber.
Example 3:
a water-blocking overhead insulated cable, as shown in fig. 4, wherein: the conductor comprises a conductor 1, wherein the outer side of the conductor is sequentially coated with a waterproof layer 2, a semi-conductive shielding layer 3 and an insulating layer 4 from inside to outside, the conductor 1 is formed by twisting a plurality of S-shaped copper single wires and Z-shaped copper single wires 11 which are distributed from inside to outside, the surface of the waterproof layer 2 is corrugated, and the waterproof layer 2 is made of aluminum or a low-melting-point alloy material; the semiconductive shielding layer 3 is made of a crosslinked polyethylene semiconductive shielding material or a non-crosslinked polyethylene semiconductive shielding material; the insulating layer 4 is made of one or more of polyethylene, cross-linked polyethylene, polyvinyl chloride and ethylene propylene rubber.
The utility model discloses an overhead insulated cable blocks water, waterproof layer material are aluminium or low melting point alloy material, and inside waterproof layer cladding conductor can prevent that the rainwater from following insulating gap infiltration conductor, can exert the electric conductive property of aluminium or low melting point alloy material again, and the waterproof layer surface is the corrugate, and multiplicable cable compliance, and the adhesive force of corrugate multiplicable cable semiconductive shield layer, insulating layer and aluminum pipe again improves cable insulation heat shrinkage performance.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a built on stilts insulated cable blocks water which characterized in that: the anti-explosion conductor comprises a conductor (1), wherein a waterproof layer (2), a semi-conductive shielding layer (3) and an insulating layer (4) are sequentially coated on the outer side of the conductor from inside to outside.
2. A water-blocking overhead insulated cable according to claim 1, characterized in that: the conductor (1) comprises a plurality of metal single wires (11) which are distributed from inside to outside and are twisted.
3. A water-blocking overhead insulated cable according to claim 2, characterized in that: the shape of the metal single wire (11) is one or more of a circle, a trapezoid, an S shape and a Z shape.
4. A water-blocking overhead insulated cable according to claim 2, characterized in that: the metal single wires (11) are selected from one or more of aluminum single wires, aluminum alloy single wires, copper single wires and copper alloy single wires.
5. A water-blocking overhead insulated cable according to claim 1, characterized in that: the surface of the waterproof layer (2) is corrugated.
6. A water-blocking overhead insulated cable according to claim 1, characterized in that: the waterproof layer (2) is made of aluminum or a low-melting-point alloy material.
7. A water-blocking overhead insulated cable according to claim 1, characterized in that: the semiconductive shielding layer (3) is made of a crosslinked polyethylene semiconductive shielding material or a non-crosslinked polyethylene semiconductive shielding material.
8. A water-blocking overhead insulated cable according to claim 1, characterized in that: the insulating layer (4) is made of one or more of polyethylene, cross-linked polyethylene, polyvinyl chloride and ethylene propylene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021231210.9U CN212322662U (en) | 2020-06-29 | 2020-06-29 | Water-blocking overhead insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021231210.9U CN212322662U (en) | 2020-06-29 | 2020-06-29 | Water-blocking overhead insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212322662U true CN212322662U (en) | 2021-01-08 |
Family
ID=74028162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021231210.9U Active CN212322662U (en) | 2020-06-29 | 2020-06-29 | Water-blocking overhead insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212322662U (en) |
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2020
- 2020-06-29 CN CN202021231210.9U patent/CN212322662U/en active Active
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