CN215731050U - Aluminum core crosslinked polyethylene insulated anti-aging aerial cable - Google Patents
Aluminum core crosslinked polyethylene insulated anti-aging aerial cable Download PDFInfo
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- CN215731050U CN215731050U CN202121268048.2U CN202121268048U CN215731050U CN 215731050 U CN215731050 U CN 215731050U CN 202121268048 U CN202121268048 U CN 202121268048U CN 215731050 U CN215731050 U CN 215731050U
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- Prior art keywords
- layer
- cable
- outside
- crosslinked polyethylene
- aging
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- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 17
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 17
- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 92
- 229920001971 elastomer Polymers 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000011241 protective layer Substances 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 230000032683 aging Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000004706 High-density cross-linked polyethylene Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229920004932 high density cross-linked polyethylene Polymers 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000006750 UV protection Effects 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 230000002265 prevention Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910000737 Duralumin Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 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 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920006306 polyurethane fiber Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an aluminum core crosslinked polyethylene insulated anti-aging aerial cable, which comprises a cable core, wherein an insulating layer rubber is arranged outside the cable core, an inner shielding layer is arranged outside the cable core outside the insulating rubber, an insulating layer is arranged outside an inner buffer layer, an outer shielding layer is arranged outside the insulating layer, a filling layer is arranged outside the outer shielding layer, an outer buffer layer is arranged outside the filling layer, a protective layer is arranged outside the outer buffer layer, and an anti-ultraviolet coating is arranged outside the protective layer. The anti-aging and wear-resisting performances of the cable are improved through the ultraviolet-proof coating and the wear-resisting layer.
Description
Technical Field
The utility model relates to the technical field of overhead cables, in particular to an aluminum core crosslinked polyethylene insulated anti-aging overhead cable.
Background
The overhead cable, named overhead insulating cable, is overhead conductor with insulating layer and protecting sheath, and is one special cable produced through cross-linked cable producing process and in new power transmission mode between overhead conductor and underground cable. The aerial cable is a single core, and can be divided into a duralumin wire structure, an aluminum alloy wire structure, a steel core or aluminum alloy core supporting structure and a self-supporting three-core texture structure according to different structures, and the wire core can be duralumin or a duralumin wire and the like. The power supply system has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like. The main technical parameters comprise weather resistance, insulation level, inner and outer semi-conductive shielding layers. The overhead cable has wide transmission application at home and abroad. The aerial cable is not a special cable which is manufactured by adopting a production process similar to that of a crosslinked cable, but an ordinary oil paper insulated cable or a crosslinked insulated cable is directly hung on an aerial tower.
The overhead insulated cable is generally applied to long-distance power transmission, generally adopts a high-rise support for supporting, and has higher requirements on the aspects of tensile property, creep resistance, water resistance, stability and the like because the cable is in a suspended state. The most direct cause of the aging failure of the electric wire and cable is the breakdown due to the reduction of insulation. Factors that induce insulation degradation are many, including external force damage, insulation damage failure, and environmental and temperature effects. The existing cable cannot play a good role in resisting external force damage, insulation damage faults, environment and temperature influence and the like, so that the service life is short, and safety is hidden.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an aluminum core crosslinked polyethylene insulated anti-aging aerial cable, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides an insulating ageing resistance aerial [ insulated ] cable of aluminium core crosslinked polyethylene, includes the sinle silk, the sinle silk sets up 3-8, and the sinle silk adopts aluminium matter wire rod, and the sinle silk is provided with the insulating rubber outward, and insulating rubber outside sinle silk outside parcel sets up the internal shield layer, and it has the internal buffer layer to fill between sinle silk and the spacer, and the internal buffer layer outside is provided with the insulating layer, and the insulating layer outside is provided with the external shield layer, and the external shield layer outside is provided with the filling layer, and the filling layer outside is provided with the external buffer layer, and the external buffer layer outside is provided with the protective layer, and the protective layer outside is provided with ultraviolet protection coating.
As a further scheme of the utility model: the cable core structure is characterized in that a silica gel strip is arranged between the cable cores, a through hole is formed in the middle of the silica gel strip, a plurality of separating sheets are arranged on the periphery of the silica gel strip, the number of the separating sheets is consistent with that of the cable cores, and a cable core is arranged between every two adjacent separating sheets.
As a still further scheme of the utility model: the inner buffer layer is made of honeycomb rubber.
As a still further scheme of the utility model: and an armor layer is arranged between the insulating layer and the outer shielding layer and is formed by spirally winding steel sheets.
As a still further scheme of the utility model: the outer buffer layer is made of high-temperature-resistant rubber.
As a still further scheme of the utility model: the insulating rubber, the insulating layer and the protective layer are all made of high-density crosslinked polyethylene.
As a still further scheme of the utility model: the anti ultraviolet coating outside is provided with the wearing layer, and the wearing layer adopts EVA to glue the coating and forms.
Compared with the prior art, the utility model has the beneficial effects that: the utility model increases the insulation performance of the cable through the arranged insulating rubber, the insulating layer and the protective layer, can reduce the failure rate caused by the damage of the insulating layer through multiple insulation material protection, can effectively prevent the deformation damage caused by the mutual extrusion between the wire cores through the arranged silica gel strip, the separating sheet and the inner buffer layer, can play a certain buffer role, increases the buffer anti-falling performance through the arranged through hole, simultaneously reduces the weight of the cable, increases the strength of the cable through the arranged armor layer, does not influence the bending flexibility performance of the cable, can play the effects of puncture prevention, extrusion prevention and collision prevention, prolongs the service life of the cable, increases the flame retardant performance of the cable through the arranged filling layer, increases the tensile and bending resistance performance of the cable through the arranged reinforcing ribs, further increases the buffer anti-falling and extrusion resistance performance and the high temperature resistance performance of the cable through the arranged outer buffer layer, the anti-aging and wear-resisting properties of the cable are improved through the ultraviolet-proof coating and the wear-resisting layer, and the service life of the cable is prolonged.
Drawings
Fig. 1 is a schematic cross-sectional structure view of an aluminum core crosslinked polyethylene insulated anti-aging aerial cable.
FIG. 2 is a schematic diagram of a silicon rubber strip structure in an aluminum core crosslinked polyethylene insulated anti-aging aerial cable.
Fig. 3 is a schematic diagram of an armor layer structure in an aluminum core crosslinked polyethylene insulated anti-aging aerial cable.
In the figure: the cable comprises a cable core 1, an insulating rubber 2, an inner shielding layer 3, a silica gel strip 4, a through hole 5, a separating sheet 6, an inner buffer layer 7, an insulating layer 8, an armor layer 9, an outer shielding layer 10, a filling layer 11, a reinforcing rib 12, an outer buffer layer 13, a protective layer 14, an ultraviolet-proof coating 15 and an abrasion-proof layer 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the utility model, an aluminum core crosslinked polyethylene insulated aging-resistant aerial cable includes cable cores 1, and is characterized in that 3 to 8 cable cores 1 are provided, the cable cores 1 are aluminum wires, an insulating rubber sheet 2 is provided outside the cable cores 1, an inner shielding layer 3 is provided outside the cable cores 1 outside the insulating rubber sheet 2, a silica gel strip 4 is provided between the cable cores 1, a through hole 5 is provided in the middle of the silica gel strip 4, a plurality of separation sheets 6 are provided around the silica gel strip 4, the number of the separation sheets 6 is the same as that of the cable cores 1, one cable core 1 is provided between adjacent separation sheets 6, an inner buffer layer 7 is filled between the cable cores 1 and the separation sheets 6, the inner buffer layer 7 is made of honeycomb rubber, and deformation damage caused by mutual extrusion between the silica gel strip 4, the separation sheets 6 and the inner buffer layer 7 can be effectively prevented, and can play certain cushioning effect, the through-hole 5 that sets up has increased the anti performance of falling of buffering, has reduced the weight of cable simultaneously.
The outer side of the inner buffer layer 7 is provided with an insulating layer 8, the outer side of the insulating layer 8 is provided with an armor layer 9, the armor layer 9 is formed by spirally winding a steel sheet, the strength of the cable is increased, the bending flexibility performance of the cable is not affected, the effects of puncture prevention, extrusion prevention and collision prevention can also be achieved, the service life of the cable is prolonged, the outer side of the armor layer 9 is provided with an outer shielding layer 10, the outer side of the outer shielding layer 10 is provided with a filling layer 11, the filling layer 11 is formed by mixing mica and glass fiber, the flame retardant performance of the cable is increased, a plurality of reinforcing ribs 12 are arranged in the filling layer 11, the tensile bending performance of the cable is increased, the reinforcing ribs 12 are formed by twisting a polyurethane fiber bundle and a carbon fiber bundle, the outer buffer layer 13 is arranged on the outer side of the filling layer 11, the outer buffer layer 13 is made of high-temperature resistant rubber, and the buffer, the falling, extrusion resistance and high-temperature resistance performance of the cable are further increased, outer buffer layer 13 outside is provided with protective layer 14, insulating rubber 2, insulating layer 8 and protective layer 14 all adopt high density crosslinked polyethylene material, the insulating properties of cable has been increased, and multiple insulating material protection can reduce because of the impaired fault rate of insulating layer, the protective layer 14 outside is provided with anti ultraviolet coating 15, the ageing resistance of cable has been increased, the 15 outsides of anti ultraviolet coating are provided with wearing layer 16, wearing layer 16 adopts the EVA to glue the coating and forms, the ageing resistance and the wear resistance of cable have further been increased, the service life of cable has been improved.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides an insulating ageing resistance aerial [ insulated ] cable of aluminium core crosslinked polyethylene, including sinle silk (1), a serial communication port, sinle silk (1) sets up 3-8, sinle silk (1) adopts aluminium matter wire rod, sinle silk (1) is provided with insulating rubber (2) outward, insulating rubber (2) outside sinle silk (1) outside parcel sets up inner shield layer (3), it has inner buffer layer (7) to fill between sinle silk (1) and spacer (6), the inner buffer layer (7) outside is provided with insulating layer (8), the insulating layer (8) outside is provided with outer shielding layer (10), the outer shielding layer (10) outside is provided with filling layer (11), the filling layer (11) outside is provided with outer buffer layer (13), the outer buffer layer (13) outside is provided with protective layer (14), the protective layer (14) outside is provided with ultraviolet protection coating (15).
2. The aluminum core crosslinked polyethylene insulated anti-aging aerial cable according to claim 1, wherein a silica gel strip (4) is arranged between the cable cores (1), a through hole (5) is arranged in the middle of the silica gel strip (4), a plurality of separating sheets (6) are arranged on the periphery of the silica gel strip (4), the number of the separating sheets (6) is consistent with that of the cable cores (1), and one cable core (1) is arranged between every two adjacent separating sheets (6).
3. The aluminum core crosslinked polyethylene insulated aging-resistant aerial cable as claimed in claim 1, wherein the inner buffer layer (7) is made of honeycomb rubber.
4. The aluminum core crosslinked polyethylene insulated aging-resistant aerial cable as claimed in claim 1, wherein an armor layer (9) is arranged between the insulating layer (8) and the outer shielding layer (10), and the armor layer (9) is formed by spirally winding steel sheets.
5. The aluminum core crosslinked polyethylene insulated aging-resistant aerial cable as claimed in claim 1, wherein the outer buffer layer (13) is made of high temperature-resistant rubber.
6. The aluminum core crosslinked polyethylene insulated aging-resistant aerial cable as claimed in claim 1, wherein the insulating rubber (2), the insulating layer (8) and the protective layer (14) are made of high-density crosslinked polyethylene.
7. The aluminum core crosslinked polyethylene insulated anti-aging aerial cable as claimed in claim 1, wherein a wear-resistant layer (16) is arranged outside the ultraviolet-proof coating (15), and the wear-resistant layer (16) is formed by coating EVA glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268048.2U CN215731050U (en) | 2021-06-08 | 2021-06-08 | Aluminum core crosslinked polyethylene insulated anti-aging aerial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268048.2U CN215731050U (en) | 2021-06-08 | 2021-06-08 | Aluminum core crosslinked polyethylene insulated anti-aging aerial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215731050U true CN215731050U (en) | 2022-02-01 |
Family
ID=80041380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121268048.2U Expired - Fee Related CN215731050U (en) | 2021-06-08 | 2021-06-08 | Aluminum core crosslinked polyethylene insulated anti-aging aerial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215731050U (en) |
-
2021
- 2021-06-08 CN CN202121268048.2U patent/CN215731050U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |