CN219610104U - Communication cable with anti-interference function - Google Patents
Communication cable with anti-interference function Download PDFInfo
- Publication number
- CN219610104U CN219610104U CN202320362738.7U CN202320362738U CN219610104U CN 219610104 U CN219610104 U CN 219610104U CN 202320362738 U CN202320362738 U CN 202320362738U CN 219610104 U CN219610104 U CN 219610104U
- Authority
- CN
- China
- Prior art keywords
- layer
- flame
- cable
- retardant
- shielding layer
- 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
- 238000004891 communication Methods 0.000 title claims abstract description 13
- 239000003063 flame retardant Substances 0.000 claims abstract description 44
- 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 abstract description 41
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 17
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 17
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 10
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 105
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 229920000180 alkyd Polymers 0.000 claims description 6
- ATFJOPNBIKXOBU-UHFFFAOYSA-N [Br].[C] Chemical compound [Br].[C] ATFJOPNBIKXOBU-UHFFFAOYSA-N 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000002905 metal composite material Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 2
- 229920003235 aromatic polyamide Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000002269 spontaneous effect Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920006231 aramid fiber Polymers 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical compound BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Landscapes
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The utility model belongs to the technical field of cables, and particularly relates to a communication cable with anti-interference function, which comprises a crosslinked polyethylene insulating layer, wherein cable cores are equidistantly arranged in the crosslinked polyethylene insulating layer, a first shielding layer is fixed on the outer wall of the crosslinked polyethylene insulating layer, and a first flame retardant layer is fixed on the outer wall of the first shielding layer. According to the utility model, the crosslinked polyethylene insulating layer, the cable core, the first shielding layer, the first flame-retardant layer, the second shielding layer, the second flame-retardant layer, the third shielding layer and the polyvinyl chloride insulating layer are arranged, and in the process of using the cable, three groups of shielding layers are arranged outside the cable core, so that an external magnetic field can be effectively shielded, the anti-interference capability of the cable is enhanced, the transmission capability of the cable is improved, and the cable can be flame-retardant by using the arranged first flame-retardant layer and the second flame-retardant layer, so that the phenomenon that the existing cable is poor in flame-retardant effect and spontaneous combustion occurs when the cable encounters open flame is avoided.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a communication cable with anti-interference function.
Background
The cable is a cable similar to a rope and formed by twisting several or several groups of wires (at least two wires in each group), each group of wires are mutually insulated, the whole cable covered with a highly insulating covering layer has the characteristics of inner electrifying and outer insulating, and the cable can be divided into a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like according to the types, but the outer part of the current cable is often only provided with an anti-interference shielding layer in the use process, so that the cable has poor anti-interference performance in use, the transmission effect of the cable is influenced, and meanwhile, the current cable lacks a fireproof flame-retardant structure, and spontaneous combustion phenomenon easily occurs when encountering open fire.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a communication cable with anti-interference function, and solves the problems in the background art.
The utility model adopts the following technical scheme for realizing the purposes:
the utility model provides a possesses communication cable of jam-proof, includes crosslinked polyethylene insulating layer, crosslinked polyethylene insulating layer's inside equidistance is provided with the cable core, crosslinked polyethylene insulating layer's outer wall is fixed with first shielding layer, first shielding layer's outer wall is fixed with first fire-retardant layer, first fire-retardant layer's outer wall is fixed with the second shielding layer, the outside of second shielding layer is fixed with the fire-retardant layer of second, the outside of second fire-retardant layer is provided with the third shielding layer, the outer wall of third shielding layer is fixed with the polyvinyl chloride insulating layer.
Further, the first shielding layer is a copper wire layer, the second shielding layer is a copper strip layer, and the third shielding layer is a metal composite film wrapping layer.
Further, the first flame-retardant layer is an alkali-free glass fiber tape layer, and the second flame-retardant layer is an aramid flame-retardant fabric layer.
Further, triangular rubber anti-pressing strips are fixed in the annular array in the cavity between the second flame retardant layer and the third shielding layer.
Further, the outer surface of the polyvinyl chloride insulating layer is coated with a bromine carbon alkyd resin transparent fireproof coating layer.
Compared with the prior art, the utility model provides the communication cable with the anti-interference function, which has the following beneficial effects:
according to the utility model, the crosslinked polyethylene insulating layer, the cable core, the first shielding layer, the first flame-retardant layer, the second shielding layer, the second flame-retardant layer, the third shielding layer and the polyvinyl chloride insulating layer are arranged, and in the process of using the cable, three groups of shielding layers are arranged outside the cable core, so that an external magnetic field can be effectively shielded, the anti-interference capability of the cable is enhanced, the transmission capability of the cable is improved, and the cable can be flame-retardant by using the arranged first flame-retardant layer and the second flame-retardant layer, so that the phenomenon that the existing cable is poor in flame-retardant effect and spontaneous combustion occurs when the cable encounters open fire is avoided.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of the present utility model.
In the figure: 1. a crosslinked polyethylene insulating layer; 2. a cable core; 3. a first shielding layer; 4. a first flame retardant layer; 5. a second shielding layer; 6. a second flame retardant layer; 7. a third shielding layer; 8. a polyvinyl chloride insulating layer; 9. triangular rubber anti-pressing strips; 10. a transparent fireproof coating layer of bromocarbon alkyd resin.
Description of the embodiments
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.
Examples
As shown in fig. 1, the communication cable with anti-interference provided by the embodiment of the utility model comprises a crosslinked polyethylene insulating layer 1, wherein a cable core 2 is equidistantly arranged in the crosslinked polyethylene insulating layer 1, a first shielding layer 3 is fixed on the outer wall of the crosslinked polyethylene insulating layer 1, a first flame retardant layer 4 is fixed on the outer wall of the first shielding layer 3, a second shielding layer 5 is fixed on the outer wall of the first flame retardant layer 4, a second flame retardant layer 6 is fixed on the outer side of the second shielding layer 5, a third shielding layer 7 is arranged on the outer side of the second flame retardant layer 6, and a polyvinyl chloride insulating layer 8 is fixed on the outer wall of the third shielding layer 7, and in the process of using the cable, the crosslinked polyethylene insulating layer 1 and the polyvinyl chloride insulating layer 8 are coated on the cable core 2, so that the crosslinked polyethylene has the advantages of high heat resistance, ageing resistance, insulating property, water resistance, corrosion resistance, low dielectric loss, high chemical corrosion resistance, high electrical insulation and high mechanical strength, and the like, and thus the insulating property of the cable can be enhanced.
As shown in fig. 1, in some embodiments, the first shielding layer 3 is a copper wire layer, the second shielding layer 5 is a copper strip layer, the third shielding layer 7 is a metal composite film wrapping layer, the copper wire layer with shielding effect is formed by braiding soft thin copper wires outside the insulated cable core 2, the copper strip layer is formed by wrapping soft copper strips outside the cable core 2 of the multi-core cable, and the metal composite film wrapping layer is formed by wrapping aluminum plastic, copper plastic or steel plastic composite film or longitudinally wrapping the copper strips outside the cable core 2, so that the shielding effect is good, and the anti-interference performance of the cable can be enhanced.
As shown in fig. 1, in some embodiments, the first flame retardant layer 4 is an alkali-free glass fiber tape layer, and the second flame retardant layer 6 is an aramid fiber flame retardant fabric layer, and the alkali glass fiber tape has the characteristics of good insulation performance, extremely strong tensile force, no crease, vulcanization resistance, no smoke, no halogen, no toxicity, pure oxygen and incombustibility, and meanwhile, the aramid fiber flame retardant fiber has the advantages of heat resistance, high strength, high wear resistance, good flexibility, low shrinkage, stable chemical structure, no molten drop during combustion, no toxic gas generation and the like, so that the fireproof flame retardant performance of the cable can be enhanced.
As shown in fig. 1, in some embodiments, triangular rubber compression-resistant strips 9 are fixed in an annular array inside the cavity between the second flame retardant layer 6 and the third shielding layer 7, so as to be able to enhance the compression resistance of the cable.
As shown in fig. 1, in some embodiments, the outer surface of the polyvinyl chloride insulating layer 8 is coated with a bromine-carbon alkyd transparent fireproof coating layer 10, and the bromine-carbon alkyd transparent fireproof coating is an intumescent flame retardant coating prepared by adding an intumescent flame retardant to a coating taking alkyd as a film forming substance, so that the fireproof flame retardant performance of the cable surface can be enhanced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. Communication cable that possesses jam-proof, including crosslinked polyethylene insulating layer (1), its characterized in that: the cable core (2) is arranged at equal intervals in the crosslinked polyethylene insulating layer (1), a first shielding layer (3) is fixed on the outer wall of the crosslinked polyethylene insulating layer (1), a first flame-retardant layer (4) is fixed on the outer wall of the first shielding layer (3), a second shielding layer (5) is fixed on the outer wall of the first flame-retardant layer (4), a second flame-retardant layer (6) is fixed on the outer portion of the second shielding layer (5), a third shielding layer (7) is arranged on the outer portion of the second flame-retardant layer (6), and a polyvinyl chloride insulating layer (8) is fixed on the outer wall of the third shielding layer (7).
2. A communication cable according to claim 1 having tamper-proof properties, wherein: the first shielding layer (3) is a copper wire layer, the second shielding layer (5) is a copper strip layer, and the third shielding layer (7) is a metal composite film wrapping layer.
3. A communication cable according to claim 1 having tamper-proof properties, wherein: the first flame-retardant layer (4) is an alkali-free glass fiber tape layer, and the second flame-retardant layer (6) is an aramid flame-retardant fabric layer.
4. A communication cable according to claim 1 having tamper-proof properties, wherein: a triangular rubber anti-pressing strip (9) is fixed in the cavity between the second flame retardant layer (6) and the third shielding layer (7) in an annular array.
5. A communication cable according to claim 1 having tamper-proof properties, wherein: the outer surface of the polyvinyl chloride insulating layer (8) is coated with a bromine carbon alkyd resin transparent fireproof coating layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320362738.7U CN219610104U (en) | 2023-03-01 | 2023-03-01 | Communication cable with anti-interference function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320362738.7U CN219610104U (en) | 2023-03-01 | 2023-03-01 | Communication cable with anti-interference function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219610104U true CN219610104U (en) | 2023-08-29 |
Family
ID=87756274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320362738.7U Active CN219610104U (en) | 2023-03-01 | 2023-03-01 | Communication cable with anti-interference function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219610104U (en) |
-
2023
- 2023-03-01 CN CN202320362738.7U patent/CN219610104U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |