CN221529509U - Environment-friendly high-performance polypropylene insulation power cable - Google Patents
Environment-friendly high-performance polypropylene insulation power cable Download PDFInfo
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- CN221529509U CN221529509U CN202322900675.9U CN202322900675U CN221529509U CN 221529509 U CN221529509 U CN 221529509U CN 202322900675 U CN202322900675 U CN 202322900675U CN 221529509 U CN221529509 U CN 221529509U
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- Prior art keywords
- layer
- cable
- power cable
- friendly high
- performance polypropylene
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 23
- -1 polypropylene Polymers 0.000 title claims abstract description 23
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 23
- 238000009413 insulation Methods 0.000 title claims abstract description 9
- 239000010410 layer Substances 0.000 claims abstract description 72
- 239000011241 protective layer Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 21
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000003063 flame retardant Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 8
- 230000008093 supporting effect Effects 0.000 abstract description 8
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of cables and discloses an environment-friendly high-performance polypropylene insulation power cable which comprises a plurality of wire core structures, wherein filling ropes are wrapped on the surfaces of the wire core structures, wrapping layers are wrapped on the surfaces of the filling ropes, a plurality of supporting strips are arranged inside the filling ropes in a penetrating mode along the direction of the wire core structures, and second shielding layers are arranged on the surfaces of the wrapping layers. According to the utility model, the cable core structure, the wrapping layer, the filling rope, the supporting strips, the armor layer and the protective layer are arranged, the protective layer is positioned at the outermost part of the cable, the surface of the protective layer is equidistantly provided with the plurality of annular grooves, the integral weight of the cable can be reduced through the arranged annular grooves, and the annular grooves can be used as bending buffer spaces when the cable is bent, so that the bending performance of the cable is improved, and in addition, the plurality of supporting strips are arranged inside the filling rope in a penetrating manner along the cable direction, so that the cable can still have good supportability.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an environment-friendly high-performance polypropylene insulation power cable.
Background
The power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and power transmission lines under sea water passing through the river. In the electric power line, the proportion of the cable is gradually increasing. Power cables are cable products used in the main line of power systems to transmit and distribute high power electrical energy. However, the existing power cable still has the following disadvantages:
1. In order to ensure that the wire core inside the power cable can be well protected and has good supporting property, the insulation protection layer on the surface of the power cable is generally designed to be thicker, so that the power cable is heavier and can be inconvenient to bend in the laying process, the stress of the bending part is large, and if the power cable is forcibly bent by a larger angle, the bending part is cracked;
2. the existing insulating protective layer on the surface of the power cable is usually made of polypropylene material, but polypropylene has no fireproof property, so that additives such as flame retardant and the like are required to be added into polypropylene when the insulating protective layer is produced, and the production process of the protective layer is complex;
3. The existing power cable is provided with shielding layers only on the surfaces of a plurality of wrapped wire cores, so that electromagnetic interference can be generated between the inner independent wire cores, and the usability of the cable can be affected to a certain extent although the interference is small.
Therefore, the utility model provides an environment-friendly high-performance polypropylene insulated power cable aiming at the defects.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides an environment-friendly high-performance polypropylene insulation power cable.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an environment-friendly high performance polypropylene insulation power cable, includes a plurality of sinle silk structures, a plurality of sinle silk structure surface parcel has the filling rope, the winding of filling rope surface has the parcel layer, inside a plurality of support bars of wearing to be equipped with along the direction of sinle silk structure of filling rope, parcel layer surface is provided with the second shielding layer, second shielding layer surface is provided with the armor, the armor surface is provided with the flame retardant coating, flame retardant coating surface is provided with the protective layer, the equidistance of protective layer surface leaves and is equipped with a plurality of ring grooves.
As a further description of the above technical solution:
The wire core structure comprises a plurality of wires, wherein the surfaces of the wires are wrapped with a first insulating layer, the surfaces of the first insulating layer are wrapped with a first shielding layer, and both the first insulating layer and the protective layer are made of polypropylene materials.
As a further description of the above technical solution:
the first shielding layer is made of metal mesh materials, and the second shielding layer is made of aluminum foil materials.
As a further description of the above technical solution:
the support bar is made of steel wire material, and the armor layer is made of steel belt material.
As a further description of the above technical solution:
The fireproof layer is made of asbestos materials.
As a further description of the above technical solution:
the wrapping layer is made of non-woven fabrics.
As a further description of the above technical solution:
The distance between two adjacent annular grooves is larger than 15cm, and the width of each annular groove is larger than 5cm.
The utility model has the following beneficial effects:
1. According to the utility model, the cable core structure, the wrapping layer, the filling rope, the supporting bar, the armor layer and the protective layer are arranged, the protective layer is positioned at the outermost part of the cable, the surface of the protective layer is equidistantly provided with a plurality of annular grooves, the integral weight of the cable can be reduced through the arranged annular grooves, and the annular grooves can be used as bending buffer spaces when the cable is bent, so that the bending performance of the cable is improved. In addition, the inside of the filling rope is provided with a plurality of supporting bars along the direction of the cable, so that the cable can still have good supporting performance.
2. According to the utility model, the fireproof layer is arranged in the protective layer, and the protective layer has no flame retardant effect, but the cable can be prevented from being burnt and damaged by fire through the fireproof layer, and the asbestos fireproof layer is only required to be wrapped on the surface of the armor layer during cable production, so that the production difficulty is lower.
3. According to the utility model, through the arrangement of the electric core structure, the electric core structure comprises the lead, the first insulating layer and the first shielding layer, and the second shielding layer which is matched with the electric core structure can play a role in double shielding, so that the cable has better conduction performance.
Drawings
FIG. 1 is a perspective cross-sectional view of an environment-friendly high-performance polypropylene insulated power cable according to the present utility model;
FIG. 2 is a cross-sectional view of an environmentally friendly high performance polypropylene insulated power cable according to the present utility model;
Fig. 3 is an enlarged view at a in fig. 2.
Legend description:
1. A wire core structure; 101. a wire; 102. a first insulating layer; 103. a first shielding layer; 2. a wrapping layer; 3. a filling rope; 4. a support bar; 5. a second shielding layer; 6. an armor layer; 7. a fire-blocking layer; 8. a protective layer; 9. an annular groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides an environment-friendly high performance polypropylene insulation power cable, including a plurality of sinle silk structures 1, a plurality of sinle silk structure 1 surface parcel has the filling rope 3, and filling rope 3 surface winding has parcel layer 2, and the inside direction along sinle silk structure 1 of filling rope 3 wears to be equipped with a plurality of support bars 4, and parcel layer 2 surface is provided with second shielding layer 5, and second shielding layer 5 surface is provided with armor 6, and armor 6 surface is provided with flame retardant coating 7, and flame retardant coating 7 surface is provided with protective layer 8, and protective layer 8 surface equidistance leaves and is equipped with a plurality of ring grooves 9.
The wire core structure 1 comprises a plurality of wires 101, a first insulating layer 102 is wrapped on the surfaces of the wires 101, a first shielding layer 103 is wrapped on the surfaces of the first insulating layer 102, the first insulating layer 102 and the protective layer 8 are made of polypropylene materials, the first insulating layer 102 can separate the independent wires 101, each wire 101 is free from interference, the first shielding layer 103 is made of metal mesh materials, the second shielding layer 5 is made of aluminum foil materials, electromagnetic interference between adjacent wires 101 can be shielded through the first shielding layer 103, the second shielding layer 5 is arranged outside the formed wire core structure 1, electromagnetic drying of the inner wires 101 can be shielded, and the cable has better conductivity.
The support bar 4 is made of steel wire material, and the armor layer 6 is made of steel belt material. The steel strip material can also be replaced by steel wire mesh, and the protection and support functions are mainly performed on the surface of the second shielding layer 5, so that the cable cannot be deformed when being extruded or impacted, the inner wire 101 structure is protected, and the fireproof layer 7 is made of asbestos materials. When the independent fireproof layer 7 is arranged to burn the protective layer 8, the cable is ensured not to burn, so that the lead 101 is ensured not to be damaged, and the wrapping layer 2 is made of non-woven fabric. The wrapping layer 2 wraps the surface of the filling rope 3 in a winding mode, and tightens up the filling rope 3 and the inner wire core structure 1.
The distance between two adjacent annular grooves 9 is larger than 15cm, and the width of each annular groove 9 is larger than 5cm. The annular groove 9 can provide buffer space for bending of the cable, and the cable is not cracked even if the bending angle is large.
Working principle: when the cable is produced, a plurality of wire core structures 1 are wrapped through the filling rope 3, the supporting strips 4 are added in the filling rope 3 when the filling rope 3 is wrapped, after the filling rope 3 is wrapped, the wrapping layer 2 is wound on the surface of the filling rope 3, the filling rope 3 and the wire core structures 1 are tightened, then the surface of the wrapping layer 2 is sequentially wrapped with the second shielding layer 5, the armor layer 6, the fireproof layer 7 and the protective layer 8, and after the protective layer 8 is wrapped, the annular groove 9 is dug out on the surface of the protective layer 8.
Lay this cable and need buckle the inside of position of buckling to the cable, ring channel 9 can be close to each other, the outside of position of buckling, ring channel 9 can be kept away from each other, consequently ring channel 9 can play when buckling and provide the space of buckling for the cable is buckled more easily, and ring channel 9 has still alleviateed the whole weight of cable.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. An environment-friendly high-performance polypropylene insulation power cable is characterized in that: including a plurality of sinle silk structures (1), a plurality of sinle silk structure (1) surface parcel has filling rope (3), filling rope (3) surface winding has parcel layer (2), inside a plurality of support bars (4) of wearing to be equipped with along the direction of sinle silk structure (1) of filling rope (3), parcel layer (2) surface is provided with second shielding layer (5), second shielding layer (5) surface is provided with armor (6), armor (6) surface is provided with flame retardant coating (7), flame retardant coating (7) surface is provided with protective layer (8), protective layer (8) surface equidistance is left and is equipped with a plurality of ring grooves (9).
2. An environmentally friendly high performance polypropylene insulated power cable according to claim 1, wherein: the wire core structure (1) comprises a plurality of wires (101), wherein a first insulating layer (102) is wrapped on the surfaces of the wires (101), a first shielding layer (103) is wrapped on the surfaces of the first insulating layer (102), and both the first insulating layer (102) and the protective layer (8) are made of polypropylene materials.
3. An environmentally friendly high performance polypropylene insulated power cable according to claim 2, wherein: the first shielding layer (103) is made of a metal mesh material, and the second shielding layer (5) is made of an aluminum foil material.
4. An environmentally friendly high performance polypropylene insulated power cable according to claim 1, wherein: the support strips (4) are made of steel wire materials, and the armor layers (6) are made of steel belt materials.
5. An environmentally friendly high performance polypropylene insulated power cable according to claim 1, wherein: the fireproof layer (7) is made of asbestos materials.
6. An environmentally friendly high performance polypropylene insulated power cable according to claim 1, wherein: the wrapping layer (2) is made of non-woven fabric materials.
7. An environmentally friendly high performance polypropylene insulated power cable according to claim 1, wherein: the distance between two adjacent annular grooves (9) is larger than 15cm, and the width of each annular groove (9) is larger than 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322900675.9U CN221529509U (en) | 2023-10-27 | 2023-10-27 | Environment-friendly high-performance polypropylene insulation power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322900675.9U CN221529509U (en) | 2023-10-27 | 2023-10-27 | Environment-friendly high-performance polypropylene insulation power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221529509U true CN221529509U (en) | 2024-08-13 |
Family
ID=92183745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322900675.9U Active CN221529509U (en) | 2023-10-27 | 2023-10-27 | Environment-friendly high-performance polypropylene insulation power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221529509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120299798A (en) * | 2025-04-11 | 2025-07-11 | 湖北恒晟电线电缆有限公司 | A cross-linked polyethylene insulated power cable |
-
2023
- 2023-10-27 CN CN202322900675.9U patent/CN221529509U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120299798A (en) * | 2025-04-11 | 2025-07-11 | 湖北恒晟电线电缆有限公司 | A cross-linked polyethylene insulated power cable |
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