CN210956269U - Copper core polyethylene insulation polyolefin sheath shielded cable - Google Patents
Copper core polyethylene insulation polyolefin sheath shielded cable Download PDFInfo
- Publication number
- CN210956269U CN210956269U CN201922177593.XU CN201922177593U CN210956269U CN 210956269 U CN210956269 U CN 210956269U CN 201922177593 U CN201922177593 U CN 201922177593U CN 210956269 U CN210956269 U CN 210956269U
- Authority
- CN
- China
- Prior art keywords
- layer
- cable
- filling layer
- outside
- sheath
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 16
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 11
- -1 polyethylene Polymers 0.000 title claims abstract description 11
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 11
- 238000009413 insulation Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000004719 irradiation crosslinked polyethylene Substances 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000011888 foil Substances 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 5
- 239000005030 aluminium foil Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 66
- 238000004132 cross linking Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 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 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
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 copper core polyethylene insulation polyolefin sheath shielded cable, including many cable cores, filling layer, around covering, shielding layer and sheath, the insulating layer of cable core is made by irradiation crosslinked polyethylene material, and the filling layer includes first filling layer and second filling layer, and first filling layer is the tadpole form and wraps up in the outside of insulating layer, the outside of first filling layer is provided with the aluminium foil, and the outside of aluminium foil is provided with the second filling layer, and the cable core includes three biasing cable cores and sets up a central cable core in its center, and the head and the tail of three biasing cable core connect gradually, the outside of second filling layer is provided with around the covering, and the shielding layer is the copper wire mesh grid, is provided with the armor between shielding layer and the sheath, and the sheath is made by the polyolefin material. The utility model discloses anti deformation ability is strong, and electric conductive property is good, has apparent shielding effect with aluminium foil and copper wire mesh grid parcel moreover. This device reasonable in design, life is longer, is fit for extensive popularization.
Description
Technical Field
The utility model belongs to the technical field of power cable, especially, relate to a copper core polyethylene insulation polyolefin sheath shielded cable.
Background
The irradiation crosslinking cable is a cable manufactured by using an irradiation crosslinking process, wherein the irradiation crosslinking is to bombard an insulating layer by using high-energy electron beams generated by an electron accelerator to break molecular chains to form macromolecular free radicals, and then the macromolecular free radicals are recombined into crosslinking bonds, so that the original linear molecular structure is changed into a three-dimensional reticular molecular structure to form crosslinking. The irradiation crosslinking cable has excellent mechanical and physical properties, resistance to various chemical solvents, small outer diameter, light weight and convenient installation and transportation, and the maximum rated temperature of the irradiation crosslinking insulated cable can reach 125 ℃ when the irradiation crosslinking insulated cable works for a long time, and the current-carrying capacity is greater than that of the polyvinyl chloride insulated cable; corrosive gas and toxic gas are not released during combustion, and secondary harm is not generated; meanwhile, the composite material also has good electrical performance.
Existing radiation crosslinked cables are typically rope-like cables made by stranding several or groups of wires (at least two per group) for communication or power transmission. Specifically, the cable comprises a conductor, an insulating layer, a filling layer, a wrapping layer, a shielding layer and a sheath, wherein the shielding layer is generally a single-layer shielding. Its holistic inner structure is comparatively simple, and structural strength, fire behaviour, shielding effect and life etc. have great promotion space in addition.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem that foretell shielded cable exists, provide a reasonable in design, simple structure, fire-retardant and shield effectual and the longer polyolefin sheath shielded cable of copper core polyethylene.
In order to achieve the above object, the technical solution adopted by the present invention is that, the copper core polyethylene insulation polyolefin sheath shielding cable provided by the present invention comprises a plurality of cable cores, a filling layer, and a wrapping layer, a shielding layer and a sheath which are sequentially arranged from inside to outside, wherein the cable core comprises a conductor and an insulating layer which are arranged inside and outside, the insulating layer is made of irradiation cross-linked polyethylene material, the filling layer comprises a first filling layer and a second filling layer, the first filling layer is tadpole-shaped and wraps the outside of the insulating layer, an aluminum foil is arranged on the outside of the first filling layer, a second filling layer is arranged on the outside of the aluminum foil, the cable core comprises three offset cable cores and a central cable core arranged in the center of the cable core, the heads and the tails of the three offset cable cores are sequentially connected, the wrapping layer is arranged on the outside of the second filling layer, the shielding layer is a copper wire mesh, an armor layer is arranged between the shielding layer and the sheath, and the sheath is made of polyolefin materials.
Preferably, the diameter of the offset cable core is greater than the diameter of the central cable core.
Preferably, the tail portion of the adjacent first filler layer is half-surrounded by the portion of the cable core surrounded by the other first filler layer.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
the utility model provides a pair of copper core polyethylene insulation polyolefin sheath shielded cable can effectively improve the resistance to deformation ability of cable through designing into the cable core the surround structure of tadpole form, and the electric conductive property of cable can be strengthened to the structure of central cable core in addition, has apparent shielding effect with aluminium foil and copper wire mesh grid parcel moreover. The device has the advantages of low smoke, no halogen, no toxicity and environmental protection, has better flame retardance and fire resistance, non-migration property, higher corrosion resistance, larger tensile strength, environmental protection and no pollution, is reasonable in design, longer in service life and suitable for large-scale popularization.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic cross-sectional view of a copper-core polyethylene-insulated polyolefin-sheathed shielded cable provided by an embodiment;
in the above figures, 1, cable core; 11. biasing the cable core; 11a, a conductor; 11b, an insulating layer; 12. a central cable core; 2. a filling layer; 21. a first filling layer; 22. a second filling layer; 3. aluminum foil; 4. wrapping a covering; 5. a shielding layer; 6. an armor layer; 7. a sheath.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
Embodiment, as shown in fig. 1, the utility model provides a copper core polyethylene insulation polyolefin sheath shielded cable, including many cable cores 1, a filling layer 2 and a wrapping layer 4, a shielding layer 5 and a sheath 7 arranged from inside to outside in sequence, the cable core 1 includes a conductor 11a and an insulating layer 11b arranged inside and outside as an offset cable core 11, the insulating layer is made of irradiation cross-linked polyethylene material, the filling layer 2 includes a first filling layer 21 and a second filling layer 22, the first filling layer 21 is tadpole-shaped and wraps up outside the insulating layer 11b, the outside of the first filling layer 21 is provided with an aluminum foil 3, the outside of the aluminum foil 3 is provided with the second filling layer 22, the cable core 1 includes three offset cable cores 11 and a central cable core 12 arranged in the center thereof, the ends of the three offset cable cores 11 are connected in sequence, the outside of the second filling layer 22 is provided with the wrapping layer 4, the shielding layer 5 is a copper wire mesh, an armor layer 6 is arranged between the shielding layer 5 and the sheath 7, and the sheath 7 is made of polyolefin material.
In the device, the most remarkable characteristic is the structural design of the cable core, for example, the bias cable core 11 is arranged into a tadpole-shaped cable core which is sequentially connected end to end, so that the integration effect is better, and the extrusion resistance and deformation resistance are obviously improved. Meanwhile, the central cable core 12 can be used as a cable core with a synergistic effect to play an electro-physical function, and the strength of the combined structure of the whole four cable cores is enhanced. The first filling layer 21 outside the adjacent bias cable core 11 is partially overlapped, the second filling layer 22 outside the bias cable core 11 directly serves as the filler outside the central cable core, the filling layer can be a low-smoke halogen-free flame-retardant filling rope, the flame retardant performance, the fireproof performance and the environmental protection effect of the filling layer are further improved, and the utilization rate is higher. The polyethylene of the insulating layer 11b has obviously changed performance after radiation crosslinking, such as improved mechanical performance, reduced or eliminated environmental stress cracking resistance, improved oxidation resistance and thermal deformation resistance, and especially has obvious thin-wall insulating effect.
Furthermore, the device has the advantages that the tadpole-shaped offset cable cores 11 and the aluminum foil 3 wrapped outside the first filling layer 21 have the effect of independently packaging the first filling layer 21, and a complete and compact shielding layer is formed outside the four cable cores, and the aluminum foil 3 has the characteristics of good extensibility, light weight, no pollution and low production cost. Meanwhile, the copper wire mesh grid outside the wrapping layer is used as a second shield of the cable, so that the shielding effect of the cable can be effectively improved. Armor 6 can increase the mechanical strength of cable as the mechanical protection layer of cable, improves the anti-corrosion and prevents biological nibbling ability, effectively prolongs the life of cable. The sheath layer 7 of the cable is made of halogen-free low-smoke flame-retardant polyolefin material, and has the advantages of high mechanical strength, ageing resistance, chemical corrosion resistance, low smoke, no halogen and no toxicity during combustion, less harm to the environment and environmental protection.
In order to improve the electric physical property of the cable, the utility model discloses from the area ratio consideration of cable conductor in the cable, be greater than the diameter of central cable core 12 with the diameter design of biasing cable core 11 in the cable. Like this, through increasing the radial proportion of occupying of single cable core in the cable, effectively guarantee three biasing cable cores 11 and occupy under the prerequisite of reasonable geometric relation position, three biasing cable cores 11 total area will be far more than central cable core 12, avoid filling layer 2 in the inside excessive filling of cable moreover and influence whole diameter and quality.
In order to improve the shielding effect of the cable, the utility model provides a position of cable core is partly surrounded with another first filling layer parcel to the afterbody of an adjacent first filling layer 21. From the geometrical perspective, the aluminum foil layer on one cable core wraps and extends along the surface of the insulating layer of the cable core 1 in a tangential direction, and the aluminum foil 3 on the outer layer of the adjacent cable core just wraps the tangent plane of the aluminum foil layer of the last cable core. By analogy, the outer aluminum foils of the three offset cable cores 11 form a shielding structure tightly wrapped, and meanwhile, the anti-extrusion protection is formed on the adjacent cables, so that the structural strength of the cables is effectively improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (3)
1. A copper core polyethylene insulation polyolefin sheath shielding cable comprises a plurality of cable cores, a filling layer, a wrapping layer, a shielding layer and a sheath, wherein the wrapping layer, the shielding layer and the sheath are sequentially arranged from inside to outside, the cable cores comprise conductors and insulating layers which are arranged inside and outside, the insulating layer is characterized in that the insulating layer is made of irradiation cross-linked polyethylene materials, the filling layer comprises a first filling layer and a second filling layer, the first filling layer is tadpole-shaped and wraps the outside of the insulating layer, an aluminum foil is arranged on the outside of the first filling layer, the outside of the aluminum foil is provided with the second filling layer, the cable cores comprise three offset cable cores and a central cable core arranged in the center of the three offset cable cores, the heads and the tails of the three offset cable cores are sequentially connected, the outside of the second filling layer is provided with the wrapping layer, the shielding layer is a copper wire mesh grid, and an armor layer is arranged, the jacket is made of a polyolefin material.
2. The copper-core polyethylene-insulation polyolefin sheath shielded cable according to claim 1, wherein the diameter of the offset cable core is larger than the diameter of the central cable core.
3. The copper-core polyethylene insulation polyolefin sheath shielded cable according to claim 2, wherein the tail part of the adjacent first filling layer is half-surrounded by the part of the cable core wrapped by the other first filling layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922177593.XU CN210956269U (en) | 2019-12-06 | 2019-12-06 | Copper core polyethylene insulation polyolefin sheath shielded cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922177593.XU CN210956269U (en) | 2019-12-06 | 2019-12-06 | Copper core polyethylene insulation polyolefin sheath shielded cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210956269U true CN210956269U (en) | 2020-07-07 |
Family
ID=71395613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922177593.XU Active CN210956269U (en) | 2019-12-06 | 2019-12-06 | Copper core polyethylene insulation polyolefin sheath shielded cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210956269U (en) |
-
2019
- 2019-12-06 CN CN201922177593.XU patent/CN210956269U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203150166U (en) | Variable-frequency cable for ships and offshore platforms | |
| CN202183258U (en) | Cross-linked polyethylene insulation steel-tape armoring low-smoke zero-halogen fire-resistant control cable | |
| CN103871665A (en) | Corrosion proof cable used for offshore oil platform | |
| CN202796109U (en) | Converter cable for offshore petroleum platform | |
| CN210837221U (en) | Double-layer high-insulation environment-friendly flame-retardant power cable | |
| CN215680169U (en) | Explosion-proof cable | |
| CN201758017U (en) | Low-smoke halogen-free environment-friendly flame-retardant intrinsic safety system control cable | |
| RU164397U1 (en) | THREE-WAY POWER CABLE WITH INTEGRATED POLYETHYLENE | |
| CN210837276U (en) | Double-layer insulation irradiation cross-linking halogen-free low-smoke flame-retardant polyolefin sheathed cable | |
| CN210837277U (en) | Copper core irradiation crosslinking insulation halogen-free low-smoke flame-retardant wire | |
| CN205487545U (en) | Oil platform is with this ampere of instrument communication cable | |
| CN104538079A (en) | Special copper-clad aluminum cross-linked polyethylene insulated street lamp lighting cable | |
| CN221200792U (en) | Marine high-temperature and high-humidity resistant low-smoke halogen-free flame-retardant cable | |
| CN212365590U (en) | Coaxial flexible power cable | |
| CN214796796U (en) | Medium-voltage power cable with large current-carrying capacity | |
| CN224052899U (en) | High-flame-retardant variable-frequency cable | |
| RU161611U1 (en) | FIRE RESISTANT COMMUNICATION CABLE | |
| CN219497355U (en) | 35kV low-carbon environment-friendly PP insulated cable | |
| CN204407083U (en) | Nylon sheath wire rat-and-ant proof type low smoke and zero halogen armoured control cable | |
| CN220933798U (en) | New energy environment-friendly fire-resistant wire | |
| CN211929108U (en) | Novel plastic cable | |
| CN201392675Y (en) | High-performance rolling stock cable | |
| CN213635482U (en) | Fireproof and heat-resistant silica gel electric wire | |
| CN202042252U (en) | Flame retardant cross-linked polyolefin sheathed marine power cable | |
| CN213752015U (en) | High-voltage shielding cable for connecting storage battery in electrical equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A copper core polyethylene insulated polyolefin sheathed shielded cable Effective date of registration: 20230423 Granted publication date: 20200707 Pledgee: Liaocheng Branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Liaocheng Zhengsheng Cable Co.,Ltd. Registration number: Y2023980038766 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200707 Pledgee: Liaocheng Branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Liaocheng Zhengsheng Cable Co.,Ltd. Registration number: Y2023980038766 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A copper core polyethylene insulated polyolefin sheathed shielded cable Granted publication date: 20200707 Pledgee: Liaocheng Branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Liaocheng Zhengsheng Cable Co.,Ltd. Registration number: Y2024980020776 |