CN220041441U - Waterproof cable - Google Patents
Waterproof cable Download PDFInfo
- Publication number
- CN220041441U CN220041441U CN202321024108.5U CN202321024108U CN220041441U CN 220041441 U CN220041441 U CN 220041441U CN 202321024108 U CN202321024108 U CN 202321024108U CN 220041441 U CN220041441 U CN 220041441U
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- CN
- China
- Prior art keywords
- layer
- waterproof
- cables
- waterproof cable
- cable
- 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.)
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- 239000004020 conductor Substances 0.000 claims abstract description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000001301 oxygen Substances 0.000 claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 16
- 239000003063 flame retardant Substances 0.000 claims description 14
- 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 13
- 230000004888 barrier function Effects 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 6
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000004718 silane crosslinked polyethylene Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 102
- 239000011241 protective layer Substances 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009954 braiding Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 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 discloses a waterproof cable, comprising: three first cables closely contacted with each other, wherein the first cables comprise first conductors and first insulating layers sleeved outside the first conductors; the wrapping layer is sleeved outside the three first cables to bind the three first cables into close contact; three second cables arranged in the gap between Bao Daiceng and the first cable, the diameter of the second cables being smaller than the radius of the first cables; the waterproof layer is arranged on the outer surface of the wrapping tape layer; the oxygen isolation layer is arranged on the outer surface of the waterproof layer; the shielding layer is arranged on the outer surface of the oxygen isolation layer; the wear-resistant layer is arranged on the outer surface of the shielding layer; the outer protective layer is arranged on the outer surface of the wear-resistant layer. According to the waterproof cable provided by the utility model, the waterproof layer is additionally arranged outside the wrapping belt, so that the conductor and the insulating layer can be ensured to operate in a dry environment for a long time, and the sealing performance of the waterproof layer can be ensured due to the operation of the oxygen isolation layer.
Description
Technical Field
The utility model belongs to the technical field of cables, and particularly relates to a waterproof cable.
Background
Flame retardant B1 class cables are now more commonly used, but given that the abrasion resistance of the sheath of such flame retardant cables is reduced after a period of use, an abrasion resistant layer is now added to meet the abrasion resistance for long term use. The cable has high flame retardant performance, but the waterproof performance is ignored. Because of many and complicated laying environments, the waterproof condition of the cable needs to be met sometimes. Such as the difficulty of rescue work caused by the loss of power supply to subways in tunnels due to frequent heavy rain.
Disclosure of Invention
The utility model provides a waterproof cable which solves the technical problems, and specifically adopts the following technical scheme:
a waterproof cable comprising:
three first cables, wherein the three first cables are in close contact with each other, and the first cables comprise a first conductor and a first insulating layer sleeved outside the first conductor;
the wrapping layer is sleeved outside the three first cables to bind the three first cables into close contact;
the three second cables are arranged in gaps between the wrapping tape layers and the first cables, each second cable comprises a second conductor and a second insulating layer sleeved outside the corresponding second conductor, and the diameter of each second cable is smaller than that of each first cable;
the waterproof layer is arranged on the outer surface of the wrapping band layer;
the oxygen isolation layer is arranged on the outer surface of the waterproof layer;
the shielding layer is arranged on the outer surface of the oxygen barrier layer;
the wear-resistant layer is arranged on the outer surface of the shielding layer;
the outer protection layer is arranged on the outer surface of the wear-resistant layer.
Further, the first insulating layer and the second insulating layer are made of silane crosslinked polyethylene insulating material, and the thickness of the first insulating layer is greater than that of the second insulating layer.
Further, the wrapping band layer consists of a halogen-free low-smoke high-flame-retardance band, and the thickness of the wrapping band layer is 0.2mm.
Further, the wrapping band layer is of a double-layer structure.
Further, the waterproof layer is made of polyurethane materials, and the thickness of the waterproof layer is 1-3mm.
Further, the oxygen-isolating layer is made of halogen-free low-smoke high-flame-retardance polyolefin oxygen-isolating sheath material, and the thickness of the oxygen-isolating layer is 1-1.2mm.
Further, the shielding layer is composed of copper wires.
Further, the wear-resistant layer is made of fluorocarbon resin material, and the thickness of the wear-resistant layer is 1-3mm.
Further, the outer protective layer is made of a flame-retardant B1-grade halogen-free low-high flame-retardant polyolefin sheath material, and the thickness of the outer protective layer is 2-2.4mm.
Further, the first conductor and the second conductor are made of the same material.
The waterproof cable has the advantages that the waterproof layer is additionally arranged outside the wrapping belt, so that the conductor and the insulating layer can be ensured to operate in a dry environment for a long time. And the operation of the oxygen barrier layer can ensure the tightness of the waterproof layer of the upper layer.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic illustration of a waterproof cable of the present utility model;
the cable comprises a first cable 10, a first conductor 11, a first insulating layer 12, a second cable 20, a second conductor 21, a second insulating layer 22, a tape layer 30, a waterproof layer 40, an oxygen barrier layer 50, a shielding layer 60, a wear-resistant layer 70 and an outer protective layer 80.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1, a waterproof cable of the present utility model comprises: three first cables 10, three second cables 20, a tape layer 30, a waterproof layer 40, an oxygen barrier layer 50, a shielding layer 60, a wear-resistant layer 70, and an outer sheath 80.
Specifically, three first cables 10 are in close contact with each other, and the first cables 10 include a first conductor 11 and a first insulating layer 12 sleeved outside the first conductor 11. The tape layer 30 is sleeved on the outer portions of the three first cables 10 to bind the three first cables 10 into close contact. The three second cables 20 are disposed in the gap between the tape layer 30 and the first cable 10, and the second cables 20 include a second conductor 21 and a second insulating layer 22 sleeved outside the second conductor 21. The waterproof layer 40 is provided on the outer surface of the tape layer 30. The oxygen barrier layer 50 is disposed on the outer surface of the waterproof layer 40. The shielding layer 60 is provided on the outer surface of the oxygen barrier layer 50. The wear layer 70 is disposed on the outer surface of the shielding layer 60. The outer sheath 80 is disposed on the outer surface of the wear layer 70.
As a preferred embodiment, the diameter of the second cable 20 is less than half the diameter of the first cable 10. It will be appreciated that the first cable 10 is sized larger such that the gap between it and the tape layer 30 is smaller, and therefore the second cable 20 is sized smaller relative to the first cable 10, facilitating the overall layout of the waterproof cable.
As a preferred embodiment, the first insulating layer 12 and the second insulating layer 22 are made of a silane crosslinked polyethylene insulating material, and the thickness of the first insulating layer 12 is greater than the thickness of the second insulating layer 22. In the embodiment of the present utility model, the thickness of the first insulating layer 12 is 0.8mm, and the thickness of the second insulating layer 22 is 0.7mm.
As a preferred embodiment, the tape layer 30 is composed of a halogen-free low smoke high flame retardant tape, and the thickness of the tape layer 30 is 0.2mm. Preferably, the strap layer 30 is a double layer structure. The overlap rate is 15% -20%.
As a preferred embodiment, the waterproof layer 40 is made of polyurethane material, and the waterproof layer 40 has no crack, a small water vapor permeability coefficient, and a waterproof function. The thickness of the waterproof layer 40 is 1-3mm.
As a preferred embodiment, the oxygen barrier layer 50 is made of a halogen-free low smoke, high flame retardant polyolefin oxygen barrier jacket material having a high oxygen index and excellent thermal and oxygen barrier properties. The halogen-free acid gas is discharged during combustion, the toxic and corrosive gas release amount is very small, the smoke concentration of the product is very low, and the flame retardant effect is very good. The thickness of the oxygen barrier layer 50 is 1-1.2mm.
As a preferred embodiment, the shielding layer 60 is composed of copper wire. The copper wires are round copper wires, and the weaving density is not less than 80%. The shielding layer 60 adopts a braiding shielding mode, and the main functions of copper wire braiding are as follows: shielding against electromagnetic interference. Such as blue cable woven by tinned copper wires, control cable woven by copper wires, and the like, and eliminates the shielding effect of the surface potential of the power cable.
As a preferred embodiment, the abrasion resistant layer 70 is made of a fluorocarbon resin material, and the thickness of the abrasion resistant layer 70 is 1 to 3mm.
As a preferred embodiment, the outer sheath 80 is made of a flame-retardant B1-grade halogen-free low-high flame-retardant polyolefin sheath material, the flame retardance, the dripping resistance and the crusting performance are enhanced, the structure is covered on the surface of the cable, the effects of fire insulation and heat insulation are achieved, and the inner wire core of the cable is protected. The thickness of the outer sheath 80 is 2-2.4mm.
As a preferred embodiment, the first conductor 11 and the second conductor 21 are made of the same material.
As an alternative embodiment, the first conductor 11 and the second conductor 21 are made of different materials.
The waterproof cable is characterized in that three large-section main wire cores and three small-section center wire cores are used as cable wire core parts, two layers of low-smoke halogen-free high-flame-retardant tapes are wrapped outside the cable cores, a waterproof layer 40 is extruded outside a wrapping tape, an oxygen-insulating layer 50 protective layer is extruded outside the waterproof layer 40, copper wires are woven outside the oxygen-insulating layer 50, a wear-resistant layer 70 with wear resistance is coated behind the woven layer, and finally an outer protective layer 80 with high flame-retardant performance is extruded. Simple structure, and guaranteed the waterproof performance of cable.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the utility model in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the utility model.
Claims (10)
1. A waterproof cable, characterized by comprising:
three first cables, wherein the three first cables are in close contact with each other, and the first cables comprise a first conductor and a first insulating layer sleeved outside the first conductor;
the wrapping layer is sleeved outside the three first cables to bind the three first cables into close contact;
the three second cables are arranged in gaps between the wrapping tape layers and the first cables, each second cable comprises a second conductor and a second insulating layer sleeved outside the corresponding second conductor, and the diameter of each second cable is smaller than that of each first cable;
the waterproof layer is arranged on the outer surface of the wrapping band layer;
the oxygen isolation layer is arranged on the outer surface of the waterproof layer;
the shielding layer is arranged on the outer surface of the oxygen barrier layer;
the wear-resistant layer is arranged on the outer surface of the shielding layer;
the outer protection layer is arranged on the outer surface of the wear-resistant layer.
2. The waterproof cable of claim 1, wherein the waterproof cable comprises a plurality of wires,
the first insulating layer and the second insulating layer are made of silane crosslinked polyethylene insulating material, and the thickness of the first insulating layer is larger than that of the second insulating layer.
3. The waterproof cable of claim 1, wherein the waterproof cable comprises a plurality of wires,
the wrapping band layer consists of a halogen-free low-smoke high-flame-retardance band, and the thickness of the wrapping band layer is 0.2mm.
4. A waterproof cable as set forth in claim 3, wherein,
the wrapping band layer is of a double-layer structure.
5. The waterproof cable of claim 1, wherein the waterproof cable comprises a plurality of wires,
the waterproof layer is made of polyurethane materials, and the thickness of the waterproof layer is 1-3mm.
6. The waterproof cable of claim 1, wherein the waterproof cable comprises a plurality of wires,
the oxygen-isolating layer is made of halogen-free low-smoke high-flame-retardance polyolefin oxygen-isolating sheath material, and the thickness of the oxygen-isolating layer is 1-1.2mm.
7. The waterproof cable of claim 1, wherein the waterproof cable comprises a plurality of wires,
the shielding layer is composed of copper wires.
8. The waterproof cable of claim 1, wherein the waterproof cable comprises a plurality of wires,
the wear-resistant layer is made of fluorocarbon resin material, and the thickness of the wear-resistant layer is 1-3mm.
9. The waterproof cable of claim 1, wherein the waterproof cable comprises a plurality of wires,
the outer sheath is made of flame-retardant B1-level halogen-free low-high flame-retardant polyolefin sheath material, and the thickness of the outer sheath is 2-2.4mm.
10. The waterproof cable of claim 1, wherein the waterproof cable comprises a plurality of wires,
the first conductor and the second conductor are made of the same material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024108.5U CN220041441U (en) | 2023-04-27 | 2023-04-27 | Waterproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024108.5U CN220041441U (en) | 2023-04-27 | 2023-04-27 | Waterproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220041441U true CN220041441U (en) | 2023-11-17 |
Family
ID=88727815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321024108.5U Active CN220041441U (en) | 2023-04-27 | 2023-04-27 | Waterproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220041441U (en) |
-
2023
- 2023-04-27 CN CN202321024108.5U patent/CN220041441U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |