CN220381802U - Polyethylene insulated cable with good water blocking performance - Google Patents
Polyethylene insulated cable with good water blocking performance Download PDFInfo
- Publication number
- CN220381802U CN220381802U CN202320739227.2U CN202320739227U CN220381802U CN 220381802 U CN220381802 U CN 220381802U CN 202320739227 U CN202320739227 U CN 202320739227U CN 220381802 U CN220381802 U CN 220381802U
- Authority
- CN
- China
- Prior art keywords
- layer
- insulated cable
- water blocking
- interior
- blocking performance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 230000000903 blocking effect Effects 0.000 title claims abstract description 16
- -1 Polyethylene Polymers 0.000 title claims abstract description 11
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 11
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 11
- 238000005253 cladding Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 45
- 238000009413 insulation Methods 0.000 abstract description 14
- 239000011241 protective layer Substances 0.000 abstract description 14
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model provides a polyethylene insulated cable with good water blocking performance, which comprises an inner protective layer and is characterized in that the outer side of the inner protective layer is sequentially coated with a cushion layer, an armor layer, a water blocking layer and an outer protective layer. The heat shrinkage layer, the inner insulation cable, the central column and the filling layer are arranged, so that the compression resistance and deformation resistance are improved.
Description
Technical Field
The utility model belongs to the technical field of insulated cables, and particularly relates to a polyethylene insulated cable with good water blocking performance.
Background
The insulating cable is a cable for conveying electric energy in a power distribution network, and currently common insulating cables comprise an external polyethylene insulating layer, an internal cable and a filler filled between the cable and the insulating layer.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the polyethylene insulated cable with good water blocking performance, and the compression resistance and deformation resistance are improved.
The utility model is realized by the following technical scheme:
the polyethylene insulated cable with good water blocking performance comprises an inner protective layer, and is characterized in that the outer side of the inner protective layer is sequentially coated with a cushion layer, an armor layer, a water blocking layer and an outer protective layer.
Preferably, the inside of interior sheath is provided with interior insulation cable, three interior insulation cable is triangle-shaped and distributes, and three be provided with the center post between the interior insulation cable, three outside cladding between the interior insulation cable has the pyrocondensation layer.
Preferably, a filling layer is filled between the heat shrinkage layer and the inner protection layer.
Preferably, a filling layer is filled between the inner insulating cable and the heat shrinkage layer.
Compared with the prior art, the utility model has the beneficial effects that:
in the utility model, the arrangement of the heat shrinkage layer, the inner insulation cable, the central column and the filling layer is beneficial to improving the compression resistance and deformation resistance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the inner sheath of the present utility model.
In the figure:
1. an inner protective layer; 11. a thermal shrinkage layer; 12. an inner insulated cable; 13. a center column; 14. a filling layer; 2. a cushion layer; 3. an armor layer; 4. a water blocking layer; 5. and an outer protective layer.
Detailed Description
The utility model is specifically described below with reference to the accompanying drawings, as shown in fig. 1, a polyethylene insulated cable with good water blocking performance comprises an inner protective layer 1, wherein the outer side of the inner protective layer 1 is sequentially coated with a cushion layer 2, an armor layer 3, a water blocking layer 4 and an outer protective layer 5, the cushion layer 2 adopts a crosslinked polyethylene layer, and the water blocking layer 4 adopts a silica gel layer.
In this embodiment, referring to fig. 2, the inner insulation cables 12 are disposed in the inner protective layer 1, three inner insulation cables 12 are distributed in a triangle, a central column 13 is disposed between the inner insulation cables 12, three side surfaces of the central column 13 are all arc-shaped, the central column 13 is made of silica gel, the arc-shaped inner insulation cables 12 are attached to each other, the central column 13 supports the inner insulation cables 12, the compression resistance and deformation resistance of the inner insulation cables 12 are improved, a heat shrinkage layer 11 is wrapped outside the inner insulation cables 12, the heat shrinkage layer 11 is made of polyolefin, and a filling layer 14 between the heat shrinkage layer 11 and the inner insulation cables 12 is compacted by the heat shrinkage layer 11.
In this embodiment, specifically, a filling layer 14 is filled between the heat shrinkage layer 11 and the inner protection layer 1, and the filling layer 14 is a twine layer.
In this embodiment, specifically, the inner sheath 1 and the outer sheath 5, which are filled with the filling layer 14 between the inner insulated cable 12 and the heat shrinkage layer 11, are both rubber layers.
Principle of operation
In the utility model, the waterproof layer 4 and the outer protective layer 5 play a role in preventing water and abrasion on the inner protective layer 1, the armor layer 3 increases the strength of the insulated cable, and the inner insulated cable 12 plays a role in conveying electric energy.
By using the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the utility model.
Claims (3)
1. The utility model provides a polyethylene insulated cable that water blocking performance is good, includes interior sheath (1), and the outside of its characterized in that, interior sheath (1) outwards has cladding bed course (2) in proper order, armor (3), water blocking layer (4) and outer sheath (5), the inside of interior sheath (1) is provided with interior insulated cable (12), three interior insulated cable (12) are triangle-shaped and distribute, and three be provided with center post (13) between interior insulated cable (12), three outside cladding between interior insulated cable (12) has heat shrinkage layer (11).
2. Polyethylene insulated cable with good water blocking performance according to claim 1, characterized in that a filling layer (14) is filled between the heat shrink layer (11) and the inner sheath (1).
3. The polyethylene insulated cable with excellent water blocking performance as claimed in claim 1, wherein a filling layer (14) is filled between the inner insulated cable (12) and the heat shrinkage layer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320739227.2U CN220381802U (en) | 2023-04-06 | 2023-04-06 | Polyethylene insulated cable with good water blocking performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320739227.2U CN220381802U (en) | 2023-04-06 | 2023-04-06 | Polyethylene insulated cable with good water blocking performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220381802U true CN220381802U (en) | 2024-01-23 |
Family
ID=89566598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320739227.2U Active CN220381802U (en) | 2023-04-06 | 2023-04-06 | Polyethylene insulated cable with good water blocking performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220381802U (en) |
-
2023
- 2023-04-06 CN CN202320739227.2U patent/CN220381802U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |