CN212276882U - Novel dampproofing power cable - Google Patents
Novel dampproofing power cable Download PDFInfo
- Publication number
- CN212276882U CN212276882U CN202020961046.0U CN202020961046U CN212276882U CN 212276882 U CN212276882 U CN 212276882U CN 202020961046 U CN202020961046 U CN 202020961046U CN 212276882 U CN212276882 U CN 212276882U
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- layer
- water
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- power cable
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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 a novel dampproofing power cable, include by cable core, shielding layer, the first polyester area that blocks water that sets gradually outside to around the covering, the second polyester area that blocks water around the covering, radially blocks water metal sheath layer and oversheath layer, the first polyester area that blocks water around covering and the second polyester area that blocks water around the covering around package opposite direction, the cable core includes a plurality of sinle silks, the sinle silk includes the conductor and wraps up the insulating layer outside the conductor, it has the oleamen to fill between conductor and the insulating layer. The utility model discloses can form multiple water-blocking layer, can effectively improve this power cable's the moisture resistance that blocks water, the polyester area that blocks water first moreover around covering and second block water the polyester area around covering around the package opposite direction, can improve this power cable's roundness and compactedness.
Description
Technical Field
The utility model relates to the technical field of cables, concretely relates to novel dampproofing power cable.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater.
However, the cable in the prior art is usually used in a severe environment, and when the water-blocking and moisture-proof properties are not good enough, the conductive core inside the cable is affected by moisture.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the background art exists, the utility model provides a novel dampproofing power cable.
The utility model provides a novel dampproofing power cable, including cable core, shielding layer, the first polyester tape that blocks water that sets gradually from inside to outside around the covering, the second polyester tape that blocks water around the covering, radial water blocking metal sheath layer and oversheath layer, the first polyester tape that blocks water winds the covering and the second polyester tape that blocks water winds the covering around the covering in opposite direction;
the cable core comprises a plurality of cable cores, each cable core comprises a conductor and an insulating layer wrapped outside the conductor, and factice is filled between the conductor and the insulating layer.
Preferably, a water blocking material is filled between the wire core and the shielding layer.
Preferably, the radial water-blocking metal sheath layer is a hot-pressing aluminum sheath, a hot-pressing lead sheath, a welding corrugated aluminum sheath, a welding corrugated steel sheath, a cold-drawing metal sheath or an aluminum-plastic composite belt.
Preferably, the outer sheath layer is extruded by a high-density polyethylene material.
The utility model provides a novel dampproofing power cable, through oleamen, first polyester area that blocks water around covering, second polyester area that blocks water around covering and the radial metal sheath layer that blocks water forms multiple water-blocking layer, can effectively improve this power cable's the moisture resistance that blocks water, first polyester area that blocks water around covering and second polyester area around wrapping opposite direction of covering in addition, can improve this power cable's roundness and compactedness.
Drawings
Fig. 1 is the utility model provides a novel dampproofing power cable's structure schematic diagram.
Description of reference numerals:
1-conductor 2-insulating layer 3-water-blocking material 4-shielding layer 5-first water-blocking polyester tape winding cladding
6-second water-blocking polyester tape winding layer 7-radial water-blocking metal sheath layer 8-outer sheath layer
Detailed Description
Referring to fig. 1, the utility model provides a novel dampproofing power cable, including cable core, shielding layer 4, first polyester tape that blocks water around covering 5, second polyester tape that blocks water around covering 6, radial water blocking metal sheath layer 7 and oversheath layer 8 that set gradually from inside to outside, the winding direction of first polyester tape that blocks water around covering 5 and second polyester tape that blocks water around covering 6 is opposite;
the cable core includes a plurality of sinle silks, and the sinle silk includes conductor 1 and wraps up insulating layer 2 outside conductor 1, and it has the oleamen to fill between conductor 1 and the insulating layer 2.
The utility model discloses an oleamen, first polyester area that blocks water around covering 5, second polyester area that blocks water around covering 6 and the radial metal sheath layer that blocks water forms multiple water-blocking layer, can effectively improve this power cable's the moisture resistance that blocks water, and first polyester area that blocks water around covering 5 and second polyester area around covering 6 around package opposite direction in addition, can improve this power cable's roundness and compactedness.
In order to further improve the radial water-blocking and moisture-proof performance, in the embodiment, a water-blocking material 3 is filled between the wire core and the shielding layer.
In order to further improve the radial water-blocking and moisture-proof performance, in the present embodiment, the radial water-blocking metal sheath layer 7 is a hot-pressed aluminum sheath, a hot-pressed lead sheath, a welded corrugated aluminum sheath, a welded corrugated steel sheath, a cold-drawn metal sheath, or an aluminum-plastic composite tape.
In order to further improve the water-blocking and moisture-proof performance, in the present embodiment, the outer sheath layer 8 is formed by extruding a high-density polyethylene material.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A novel moistureproof power cable is characterized by comprising a cable core, a shielding layer (4), a first water-blocking polyester tape winding layer (5), a second water-blocking polyester tape winding layer (6), a radial water-blocking metal sheath layer (7) and an outer sheath layer (8) which are sequentially arranged from inside to outside, wherein the winding directions of the first water-blocking polyester tape winding layer (5) and the second water-blocking polyester tape winding layer (6) are opposite;
the cable core comprises a plurality of cable cores, each cable core comprises a conductor (1) and an insulating layer (2) wrapped outside the conductor (1), and factice is filled between the conductor (1) and the insulating layer (2).
2. A novel moisture-proof power cable as claimed in claim 1, characterized in that a water-blocking material (3) is filled between the core and the shielding layer.
3. The new moisture-proof power cable as claimed in claim 1, wherein the radial water-blocking metal sheath layer (7) is a hot-pressed aluminum sheath, a hot-pressed lead sheath, a welded corrugated aluminum sheath, a welded corrugated steel sheath, a cold-drawn metal sheath or an aluminum-plastic composite tape.
4. A new moisture-proof power cable as claimed in claim 1, characterized in that the outer sheath layer (8) is extruded from a high-density polyethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961046.0U CN212276882U (en) | 2020-05-29 | 2020-05-29 | Novel dampproofing power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961046.0U CN212276882U (en) | 2020-05-29 | 2020-05-29 | Novel dampproofing power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212276882U true CN212276882U (en) | 2021-01-01 |
Family
ID=73880484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020961046.0U Active CN212276882U (en) | 2020-05-29 | 2020-05-29 | Novel dampproofing power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212276882U (en) |
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2020
- 2020-05-29 CN CN202020961046.0U patent/CN212276882U/en active Active
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