CN220020711U - Insulated overhead cable - Google Patents
Insulated overhead cable Download PDFInfo
- Publication number
- CN220020711U CN220020711U CN202321486298.2U CN202321486298U CN220020711U CN 220020711 U CN220020711 U CN 220020711U CN 202321486298 U CN202321486298 U CN 202321486298U CN 220020711 U CN220020711 U CN 220020711U
- Authority
- CN
- China
- Prior art keywords
- sheath
- flame
- layer
- insulating
- retardant cotton
- 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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Links
- 239000003063 flame retardant Substances 0.000 claims abstract description 36
- 229920000742 Cotton Polymers 0.000 claims abstract description 32
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 14
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 230000003373 anti-fouling effect Effects 0.000 claims abstract description 10
- 229920000728 polyester Polymers 0.000 claims abstract description 10
- 239000004760 aramid Substances 0.000 claims abstract description 9
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 9
- 238000009954 braiding Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims 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 abstract description 31
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000002700 urine Anatomy 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 relates to an insulated overhead cable, which comprises an outer sheath component, flame-retardant cotton and a braided wire core, wherein the outer sheath component comprises a rubber mixture sheath, a nano antifouling coating and a frosting layer, an inner sheath component is arranged in the outer sheath component, the inner sheath component comprises a crosslinked polyethylene insulating sleeve, a polyester yarn braided reinforcing sheath and an aramid yarn braided reinforcing sheath, the flame-retardant cotton is arranged in the inner sheath component, a cavity is formed in the flame-retardant cotton in a surrounding mode, an inner shielding sleeve component is arranged in the flame-retardant cotton, the inner shielding sleeve component comprises an insulating layer, a conductor shielding layer and an insulating shielding layer, and the braided wire core is arranged in the inner shielding sleeve component. When the cable is put into use, the inner shielding sleeve component and the braided wire core can be buffered and protected through the flame-retardant cotton, the flame-retardant and heat-insulating performance can be realized, the service life of the cable is prolonged, the integral weight of the flame-retardant cotton can be reduced through the arrangement of the cavity, the cost is effectively saved on the premise that the flame-retardant function of the flame-retardant cotton is not influenced, and the economic benefit is improved.
Description
Technical Field
The utility model relates to the technical field of overhead cables, in particular to an insulated overhead cable.
Background
The overhead cable is an overhead wire with insulating layer and protective outer skin, and is made by adopting a special cable similar to the cross-linking cable production process, is a new power transmission mode between the overhead wire and the underground cable, is single-core, can be divided into a hard aluminum wire structure, a hard-drawn copper wire structure, an aluminum alloy wire structure, a steel core or aluminum alloy core supporting structure, a self-supporting three-core grain structure and the like according to different structures, and has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like, and is widely applied to domestic and foreign power transmission.
At present, although the overhead cable in the related art has better durability in the use process, the cable is mostly in a solid multilayer wrapping design, and has better protection capability, but higher production cost, so that in order to save production materials and improve economic benefits, an insulated overhead cable is provided to solve the problems in the background art.
Disclosure of Invention
The present utility model is directed to an insulated overhead cable for solving the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an insulating aerial cable, includes oversheath subassembly, fire-retardant cotton and weaves the sinle silk, oversheath subassembly includes rubber mixture sheath, nanometer antifouling coating and dull polish layer, the inside inner sheath subassembly that is provided with of oversheath subassembly, the inner sheath subassembly includes crosslinked polyethylene insulation cover, polyester yarn and weaves reinforcement sheath and aramid yarn and weave reinforcement sheath, the inside fire-retardant cotton that is provided with of inner sheath subassembly, the cavity has been seted up around inside the fire-retardant cotton, the inside of fire-retardant cotton is provided with interior shielding cover subassembly, interior shielding cover subassembly includes insulating layer, conductor shielding layer and insulating shielding layer, interior shielding cover subassembly inside is provided with weaves the sinle silk.
When the cable is put into use, the braided wire core can be used as a conductor for electrifying operation, the braided wire core can be protected through the inner shielding sleeve component, the flame-retardant cotton can be used for buffering protection of the inner shielding sleeve component and the braided wire core, flame-retardant heat insulation can be realized, the whole weight of the flame-retardant cotton can be reduced due to the arrangement of the cavity, the cost is effectively saved on the premise of not affecting the flame-retardant function of the flame-retardant cotton, the flame-retardant cotton and the internal components can be protected through the inner shielding sleeve component, the crosslinked polyethylene insulating sleeve is used for crosslinking the polyethylene through a physical or chemical method, and under the original advantage of maintaining the polyethylene, the breakdown and heat resistance of the cable can be greatly improved, the cable is guaranteed to have better service life, and the internal components can be wrapped and protected through the outer shielding sleeve component.
Preferably, the outer part of the rubber mixture sheath is sleeved with a nano antifouling coating, and the inner part of the rubber mixture sheath is sleeved with a frosted layer. Can carry out the coating protection to rubber mixture sheath through nano antifouling coating, make dust birds excrement and urine be difficult for adhering outside the cable, can protect the cable, can increase rubber mixture sheath internal friction through the dull polish layer, improve rubber mixture sheath and the steadiness when fire-retardant cotton contact.
Preferably, the outer part of the crosslinked polyethylene insulating sleeve is sleeved with a polyester yarn braiding reinforcing sheath, and the inner part of the crosslinked polyethylene insulating sleeve is sleeved with an aramid yarn braiding reinforcing sheath. The tensile strength of the cable can be effectively improved through the matched use of the polyester yarn braiding reinforcing sheath and the aramid yarn braiding reinforcing sheath, and the service life of the device is prolonged.
Preferably, the insulating layer is externally sleeved with an insulating shielding layer, and the insulating layer is internally sleeved with a conductor shielding layer. The insulating layer can be shielded and protected through the insulating shielding layer, the braided wire core can be shielded and protected through the conductor shielding layer, and the operation performance of the cable can be guaranteed through multi-layer shielding.
In summary, the utility model has the following beneficial technical effects:
when the cable is put into use, the inner shielding sleeve component and the woven wire core can be buffered and protected through the flame-retardant cotton, and the cable has flame-retardant and heat-insulating functions due to the small holes, so that the service life of the cable is prolonged, the integral weight of the flame-retardant cotton can be reduced through the arrangement of the cavity, the cost is effectively saved on the premise of not influencing the flame-retardant function of the flame-retardant cotton, and the economic benefit is improved.
Drawings
FIG. 1 is a schematic cross-sectional structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of an outer jacket assembly of the present utility model;
FIG. 3 is a schematic cross-sectional view of an inner jacket assembly according to the present utility model;
fig. 4 is a schematic cross-sectional view of an inner shield assembly of the present utility model.
In the figure: 1. an outer jacket assembly; 101. a rubber compound jacket; 102. an anti-fouling coating; 103. grinding the sand layer; 2. an inner jacket assembly; 201. a crosslinked polyethylene insulating sleeve; 202. knitting the reinforced sheath with polyester yarns; 203. weaving reinforcing sheath with aramid fiber; 3. flame retardant cotton; 301. a cavity; 4. an inner shield assembly; 401. an insulating layer; 402. a conductor shielding layer; 403. an insulating shielding layer; 5. and weaving the wire core.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the insulated overhead cable provided by the utility model comprises an outer sheath assembly 1, flame retardant cotton 3 and a braided wire core 5, wherein the outer sheath assembly 1 comprises a rubber mixture sheath 101, a nano antifouling coating 102 and a frosted layer 103, an inner sheath assembly 2 is arranged inside the outer sheath assembly 1, the inner sheath assembly 2 comprises a crosslinked polyethylene insulating sleeve 201, a polyester yarn braided reinforcing sheath 202 and an aramid yarn braided reinforcing sheath 203, the flame retardant cotton 3 is arranged inside the inner sheath assembly 2, a cavity 301 is formed by encircling the flame retardant cotton 3, an inner shielding sleeve assembly 4 is arranged inside the flame retardant cotton 3, the inner shielding sleeve assembly 4 comprises an insulating layer 401, a conductor shielding layer 402 and an insulating shielding layer 403, and the braided wire core 5 is arranged inside the inner shielding sleeve assembly 4.
The working principle of the insulated overhead cable based on the first embodiment is as follows: when the cable is put into use, the braided wire core 5 can be used as a conductor for electrifying operation, the braided wire core 5 can be protected through the inner shielding sleeve component 4, the flame-retardant cotton 3 can buffer and protect the inner shielding sleeve component 4 and the braided wire core 5, flame-retardant heat insulation can be realized, the whole weight of the flame-retardant cotton 3 can be reduced due to the arrangement of the cavity 301, the cost can be effectively saved on the premise of not affecting the flame-retardant function of the flame-retardant cotton 3, the inner components can be protected through the inner sheath component 2, the crosslinked polyethylene insulating sleeve 201 is used for crosslinking polyethylene through a physical or chemical method, and the breakdown and heat resistance of the crosslinked polyethylene insulating sleeve 201 can be greatly improved under the original advantage of the polyethylene, so that the cable is ensured to have better service life, and the inner components can be wrapped and protected through the outer sheath component 1.
Example two
As shown in fig. 1, 3 and 4, the insulated overhead cable according to the present utility model further includes: the outer part of the rubber mixture sheath 101 is sleeved with a nano antifouling coating 102, the inner part of the rubber mixture sheath 101 is sleeved with a frosting layer 103, the outer part of the crosslinked polyethylene insulating sheath 201 is sleeved with a polyester yarn braiding reinforcing sheath 202, the inner part of the crosslinked polyethylene insulating sheath 201 is sleeved with an aramid yarn braiding reinforcing sheath 203, the outer part of the insulating layer 401 is sleeved with an insulating shielding layer 403, and the inner part of the insulating layer 401 is sleeved with a conductor shielding layer 402.
In this embodiment, as shown in fig. 1, the nano anti-fouling coating 102 can be used for coating and protecting the rubber mixture sheath 101, so that dust and bird feces are not easy to adhere to the outside of the cable, the cable can be protected, the friction force in the rubber mixture sheath 101 can be increased through the frosted layer 103, and the stability of the rubber mixture sheath 101 when contacting with the flame retardant cotton 3 is improved; as shown in fig. 3, the tensile strength of the cable can be effectively improved and the service life of the device can be prolonged through the cooperation of the polyester yarn woven reinforcing sheath 202 and the aramid yarn woven reinforcing sheath 203; as shown in fig. 4, the insulating layer 401 can be shielded by the insulating shield layer 403, the braided wire core 5 can be shielded by the conductor shield layer 402, and the operation performance of the cable can be ensured by the multi-layer shielding.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (4)
1. The utility model provides an insulating aerial cable, includes oversheath subassembly (1), fire-retardant cotton (3) and braided wire core (5), its characterized in that: the utility model provides a sheath assembly (1) is including rubber mixture sheath (101), nanometer antifouling coating (102) and dull polish layer (103), the inside inner sheath subassembly (2) that is provided with of oversheath assembly (1), inner sheath subassembly (2) are including crosslinked polyethylene insulation cover (201), polyester yarn woven reinforcement sheath (202) and aramid yarn woven reinforcement sheath (203), inner sheath subassembly (2) inside is provided with fire-retardant cotton (3), fire-retardant cotton (3) inside is encircleed and is seted up cavity (301), fire-retardant cotton (3) inside is provided with interior shield cover subassembly (4), interior shield cover subassembly (4) include insulating layer (401), conductor shield layer (402) and insulating shield layer (403), interior shield cover subassembly (4) inside is provided with weaves sinle silk (5).
2. An insulated overhead cable according to claim 1, wherein: the outer part of the rubber mixture sheath (101) is sleeved with a nano antifouling coating (102), and the inner part of the rubber mixture sheath (101) is sleeved with a frosted layer (103).
3. An insulated overhead cable according to claim 1, wherein: the polyester yarn braiding reinforcing sheath (202) is sleeved outside the crosslinked polyethylene insulating sleeve (201), and the aramid yarn braiding reinforcing sheath (203) is sleeved inside the crosslinked polyethylene insulating sleeve (201).
4. An insulated overhead cable according to claim 1, wherein: an insulating shielding layer (403) is sleeved outside the insulating layer (401), and a conductor shielding layer (402) is sleeved inside the insulating layer (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321486298.2U CN220020711U (en) | 2023-06-12 | 2023-06-12 | Insulated overhead cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321486298.2U CN220020711U (en) | 2023-06-12 | 2023-06-12 | Insulated overhead cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220020711U true CN220020711U (en) | 2023-11-14 |
Family
ID=88681650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321486298.2U Active CN220020711U (en) | 2023-06-12 | 2023-06-12 | Insulated overhead cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220020711U (en) |
-
2023
- 2023-06-12 CN CN202321486298.2U patent/CN220020711U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |