CN108986963A - A kind of power cable with cross-linked polyethylene insulation and preparation method thereof - Google Patents
A kind of power cable with cross-linked polyethylene insulation and preparation method thereof Download PDFInfo
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- CN108986963A CN108986963A CN201810812848.2A CN201810812848A CN108986963A CN 108986963 A CN108986963 A CN 108986963A CN 201810812848 A CN201810812848 A CN 201810812848A CN 108986963 A CN108986963 A CN 108986963A
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- power cable
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
- H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/024—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of braided metal wire
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The present invention provides a kind of power cable with cross-linked polyethylene insulations, including conductor element, the second wrapping layer, sheath, armor, shielded layer, water blocking layer and the restrictive coating set gradually from inside to outside, conductor element includes several cores, and core includes conductor, the first wrapping layer and insulating layer；It is equipped with filling between core, is filled with glass fiber, conductor is twisted by tinned copper wire；Insulating layer is extruded using crosslinked polyethylene；Sheath is extruded using low-smoke non-halogen flame-retardant polyvinyl chloride；Water blocking layer is twisted using super absorbent resin；Restrictive coating is extruded using low-smoke non-halogen flame-retardant polyethylene or polyvinyl chloride.The advantages that power cable with cross-linked polyethylene insulation of the present invention has product with compact structure, and roundness is good, and wiring space is small, constructs easy to detect, strong, environmentally friendly, the low cigarette of the ability of anti-outside electromagnetic interference, Halogen, good fire-retardant and moisture resistance.The present invention also provides the preparation methods of the power cable with cross-linked polyethylene insulation.
Description
Technical field
The invention belongs to CABLE MATERIALS technical fields, more particularly to a kind of power cable with cross-linked polyethylene insulation and its preparation
Method.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.There are many type of power cable, most common insulated plastic
Material has polyethylene and polyvinyl chloride, and wherein polythene material has better electric property and preferable bridging property, but in
The fast development of state's economy and the continuous improvement of awareness of safety, to the flexibility of power cable, resist bending, anti-flammability, water preventing ability
It can put forward higher requirements.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of power cable with cross-linked polyethylene insulations；This hair
It is bright to additionally provide the preparation method of the power cable with cross-linked polyethylene insulation.
The technical solution adopted by the present invention is that:
A kind of power cable with cross-linked polyethylene insulation, including set gradually from inside to outside conductor element, the second wrapping layer,
Sheath, armor, shielded layer, water blocking layer and restrictive coating, the conductor element include several cores, and the core includes leading
Body, the first wrapping layer and insulating layer；Filling is equipped between the core, described to be filled with glass fiber, the conductor is by plating
Tin copper wire is twisted using regular structure；The insulating layer is extruded using crosslinked polyethylene；The sheath is using low
Cigarette halogen-free flameproof polyvinyl chloride extrudes；The water blocking layer is twisted using super absorbent resin；The restrictive coating uses
Low-smoke non-halogen flame-retardant polyethylene or polyvinyl chloride extrude.
Power cable with cross-linked polyethylene insulation of the present invention, wherein first wrapping layer and described second wrapped
Layer is all made of the wrapped formation of polyester film double-layer overlapping, and wrapped Duplication is 30-35%.
Power cable with cross-linked polyethylene insulation of the present invention, wherein the insulating layer with a thickness of 0.9-1.6mm；
The sheath with a thickness of 1.5-2mm；The restrictive coating with a thickness of 1.8-2.4mm.
Power cable with cross-linked polyethylene insulation of the present invention, wherein the armor is using between galvanized steel strip bilayer
Gap is wrapped to be formed.
Power cable with cross-linked polyethylene insulation of the present invention, wherein the shielded layer uses tinned copper wire and aramid fiber
Fibrage forms, Duplication 25%.
The preparation method of power cable with cross-linked polyethylene insulation of the present invention, comprising the following steps:
(a) after copper monofilament is drawn and annealed, multifilament conductor strand, wrapped: is twisted into a conductor；Then lead to
Winding machine is crossed in wrapped first wrapping layer in the conductor periphery；
(b) it squeezes out insulating layer: extruding to form insulating layer on the outside of first wrapping layer by extruder, extrusion linear speed
For 5-10m/min；
(c) stranding: setting filling guarantees cable core roundness, the wrapped shape on the outside of first wrapping layer and the filling
At the second wrapping layer；
(d) it extrudes sheath: extruding to form sheath on the outside of second wrapping layer by extruder, extrusion linear speed
For 10-15m/min；
(e) armor wrapped armor: is formed on the sheath using galvanized steel strip Double-layer gap；
(f) it coats shielded layer: being knitted to form shielded layer in the armor external application tinned copper wire and aramid fiber, weave close
Degree > 80%；
(g) it is twisted water blocking layer: twisted super absorbent resin shape is uniformly overlapped outside the shielded layer by aramid fiber stranding machine
At water blocking layer；
(h) extrude sheath layer: polyethylene or polyvinyl chloride are extruded on the water blocking layer by extruder and form sheath
Layer, extruder processing temperature are 120-150 DEG C, extrusion linear speed 10-20m/min.
The invention has the advantages that:
Power cable with cross-linked polyethylene insulation of the present invention has product with compact structure, and roundness is good, wiring space
It is small, it constructs easy to detect, the advantages that ability of anti-outside electromagnetic interference is strong also has environmental protection, low cigarette, Halogen, fire-retardant and moisture-proof
The advantages that property is good.
The preparation method of power cable with cross-linked polyethylene insulation of the present invention, simple process is easy to operate, improves
The yield rate of cable, improves work efficiency, and reduces the waste of material.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of power cable with cross-linked polyethylene insulation of the present invention.
Below in conjunction with specific embodiments and the drawings, the invention will be further described.
Specific embodiment
Embodiment 1
A kind of power cable with cross-linked polyethylene insulation, including set gradually from inside to outside conductor element, the second wrapping layer
3, sheath 4, armor 5, shielded layer 6, water blocking layer 7 and restrictive coating 8, the conductor element include four cores 1, and core 1 wraps
Include conductor 11, the first wrapping layer 12 and insulating layer 13；Filling 2 is equipped between four cores 1, filling 2 is glass fiber, conductor
11 are twisted by tinned copper wire using regular structure；The conductor element may be single, twin-core or three cores；
Insulating layer 13 is extruded using crosslinked polyethylene, insulating layer 13 with a thickness of 1.6mm；
First wrapping layer 12 and the second wrapping layer 3 are all made of the wrapped formation of polyester film double-layer overlapping, and wrapped Duplication is
30%；
Sheath 4 is extruded using low-smoke non-halogen flame-retardant polyvinyl chloride, sheath 4 with a thickness of 1.5mm；
Armor 5 is formed using galvanized steel strip Double-layer gap is wrapped；
Shielded layer 6 is woven using tinned copper wire and aramid fiber, Duplication 25%；
Water blocking layer 7 is twisted using super absorbent resin；
Restrictive coating 8 is extruded using low-smoke non-halogen flame-retardant polyethylene or polyvinyl chloride, restrictive coating 8 with a thickness of 1.8mm；
The preparation method of power cable with cross-linked polyethylene insulation described in the present embodiment, comprising the following steps:
(a) after copper monofilament is drawn and annealed, multifilament conductor strand, wrapped: is twisted into a conductor 11；Then
By winding machine in wrapped first wrapping layer 12 in 11 periphery of conductor；
(b) it squeezes out insulating layer: extruding to form insulating layer 13, extrusion linear speed on the outside of the first wrapping layer 12 by extruder
For 5m/min；
(c) stranding: setting filling 2 guarantees cable core roundness, forms the the first wrapping layer 12 and 2 outside of filling are wrapped
Two wrapping layers 3；
(d) it extrudes sheath: extruding to form sheath 4 on the outside of the second wrapping layer 3 by extruder, extrusion linear speed is
10m/min；
(e) armor 5 wrapped armor: is formed on sheath 4 using galvanized steel strip Double-layer gap；
(f) it coats shielded layer: being knitted to form shielded layer 6, count in 5 external application tinned copper wire of armor and aramid fiber
> 80%；
(g) it is twisted water blocking layer 7: being uniformly overlapped twisted super absorbent resin outside shielded layer 6 by aramid fiber stranding machine and formed
Water blocking layer 7；
(h) extrude sheath layer: being extruded in formation restrictive coating 8 on water blocking layer 7 for polyethylene or polyvinyl chloride by extruder,
Extruder processing temperature is 120-150 DEG C, extrusion linear speed 20m/min.
Embodiment 2
A kind of power cable with cross-linked polyethylene insulation, including set gradually from inside to outside conductor element, the second wrapping layer
3, sheath 4, armor 5, shielded layer 6, water blocking layer 7 and restrictive coating 8, the conductor element include four cores 1, and core 1 wraps
Include conductor 11, the first wrapping layer 12 and insulating layer 13；Filling 2 is equipped between four cores 1, filling 2 is glass fiber, conductor
11 are twisted by tinned copper wire using regular structure；The conductor element may be single, twin-core or three cores；
Insulating layer 13 is extruded using crosslinked polyethylene, insulating layer 13 with a thickness of 0.9mm；
First wrapping layer 12 and the second wrapping layer 3 are all made of the wrapped formation of polyester film double-layer overlapping, and wrapped Duplication is
35%；
Sheath 4 is extruded using low-smoke non-halogen flame-retardant polyvinyl chloride, sheath 4 with a thickness of 2mm；
Armor 5 is formed using galvanized steel strip Double-layer gap is wrapped；
Shielded layer 6 is woven using tinned copper wire and aramid fiber, Duplication 25%；
Water blocking layer 7 is twisted using super absorbent resin；
Restrictive coating 8 is extruded using low-smoke non-halogen flame-retardant polyethylene or polyvinyl chloride, restrictive coating 8 with a thickness of 2.4mm.
The preparation method of power cable with cross-linked polyethylene insulation described in the present embodiment, comprising the following steps:
(a) after copper monofilament is drawn and annealed, multifilament conductor strand, wrapped: is twisted into a conductor 11；Then
By winding machine in wrapped first wrapping layer 12 in 11 periphery of conductor；
(b) it squeezes out insulating layer: extruding to form insulating layer 13, extrusion linear speed on the outside of the first wrapping layer 12 by extruder
For 10m/min；
(c) stranding: setting filling 2 guarantees cable core roundness, forms the the first wrapping layer 12 and 2 outside of filling are wrapped
Two wrapping layers 3；
(d) it extrudes sheath: extruding to form sheath 4 on the outside of the second wrapping layer 3 by extruder, extrusion linear speed is
15m/min；
(e) armor 5 wrapped armor: is formed on sheath 4 using galvanized steel strip Double-layer gap；
(f) it coats shielded layer: being knitted to form shielded layer 6, count in 5 external application tinned copper wire of armor and aramid fiber
> 80%；
(g) it is twisted water blocking layer 7: being uniformly overlapped twisted super absorbent resin outside shielded layer 6 by aramid fiber stranding machine and formed
Water blocking layer 7；
(h) extrude sheath layer: being extruded in formation restrictive coating 8 on water blocking layer 7 for polyethylene or polyvinyl chloride by extruder,
Extruder processing temperature is 120-150 DEG C, extrusion linear speed 10m/min.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (6)
1. a kind of power cable with cross-linked polyethylene insulation, it is characterised in that: including set gradually from inside to outside conductor element,
Two wrapping layers (3), sheath (4), armor (5), shielded layer (6), water blocking layer (7) and restrictive coating (8), the conductor element packet
It includes several cores (1), the core (1) includes conductor (11), the first wrapping layer (12) and insulating layer (13)；The core (1)
Between be equipped with filling (2), the filling (2) be glass fiber, the conductor (11) by tinned copper wire using regular structure strand
It closes；The insulating layer (13) is extruded using crosslinked polyethylene；The sheath (4) uses low-smoke non-halogen flame-retardant polychlorostyrene
Ethylene extrudes；The water blocking layer (7) is twisted using super absorbent resin；The restrictive coating (8) uses low smoke and zero halogen
Flame-proof polyethylene or polyvinyl chloride extrude.
2. power cable with cross-linked polyethylene insulation according to claim 1, it is characterised in that: first wrapping layer (12)
It is all made of the wrapped formation of polyester film double-layer overlapping with second wrapping layer (3), wrapped Duplication is 30-35%.
3. power cable with cross-linked polyethylene insulation according to claim 1, it is characterised in that: the thickness of the insulating layer (13)
Degree is 0.9-1.6mm；The sheath (4) with a thickness of 1.5-2mm；The restrictive coating (8) with a thickness of 1.8-2.4mm.
4. power cable with cross-linked polyethylene insulation according to claim 1, it is characterised in that: the armor (5) uses
Galvanized steel strip Double-layer gap is wrapped to be formed.
5. power cable with cross-linked polyethylene insulation according to claim 1, it is characterised in that: the shielded layer (6) uses
Tinned copper wire and aramid fiber weave, Duplication 25%.
6. the preparation method of power cable with cross-linked polyethylene insulation described in claim 1-5 any one, it is characterised in that: packet
Include following steps:
(a) after copper monofilament is drawn and annealed, multifilament conductor strand, wrapped: is twisted into a conductor (11)；Then lead to
Winding machine is crossed in wrapped first wrapping layer (12) in the conductor (11) periphery；
(b) it squeezes out insulating layer: extruding to form insulating layer (13), extrusion line on the outside of first wrapping layer (12) by extruder
Speed is 5-10m/min；
(c) stranding: setting filling (2) guarantees cable core roundness, on the outside of first wrapping layer (12) and the filling (2)
The second wrapping layer of wrapped formation (3)；
(d) it extrudes sheath: extruding to be formed sheath (4) on the outside of second wrapping layer (3) by extruder, squeeze out linear speed
Degree is 10-15m/min；
(e) armor (5) wrapped armor: are formed on the sheath (4) using galvanized steel strip Double-layer gap；
(f) it coats shielded layer: being knitted to form shielded layer (6) in the armor (5) external application tinned copper wire and aramid fiber, woven
Density > 80%；
(g) water blocking layer (7) are twisted: twisted super absorbent resin is uniformly overlapped in the shielded layer (6) by aramid fiber stranding machine outside
It is formed water blocking layer (7)；
(h) extrude sheath layer: polyethylene or polyvinyl chloride are extruded on the water blocking layer (7) by extruder and form restrictive coating
(8), extruder processing temperature is 120-150 DEG C, extrusion linear speed 10-20m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810812848.2A CN108986963A (en) | 2018-07-23 | 2018-07-23 | A kind of power cable with cross-linked polyethylene insulation and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810812848.2A CN108986963A (en) | 2018-07-23 | 2018-07-23 | A kind of power cable with cross-linked polyethylene insulation and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108986963A true CN108986963A (en) | 2018-12-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810812848.2A Pending CN108986963A (en) | 2018-07-23 | 2018-07-23 | A kind of power cable with cross-linked polyethylene insulation and preparation method thereof |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102986A (en) * | 2020-09-15 | 2020-12-18 | 吴云 | Cross-linked polyethylene insulated polyvinyl chloride sheath shielding power cable |
| CN112542277A (en) * | 2020-11-18 | 2021-03-23 | 郑艳亭 | Preparation process of high-flame-retardant cable of power line |
| CN113764131A (en) * | 2021-09-15 | 2021-12-07 | 安徽国信电缆科技股份有限公司 | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant control cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202549388U (en) * | 2012-03-25 | 2012-11-21 | 扬州市红旗电缆制造有限公司 | High current-carrying composite shielding armored cable for vessel electric equipment system |
| CN104183331A (en) * | 2014-08-26 | 2014-12-03 | 山东华凌电缆有限公司 | IE-grade power cable for third-generation passive nuclear power plant gentle environment and production method |
| CN204029452U (en) * | 2014-07-04 | 2014-12-17 | 铜陵中冠电缆有限公司 | A kind of fire-resistant lv power cable |
| CN104319015A (en) * | 2014-10-29 | 2015-01-28 | 四川明星电缆股份有限公司 | Irradiation cross-linking polyethylene insulated low-voltage power cable preparing method |
| CN105321616A (en) * | 2015-10-23 | 2016-02-10 | 无锡市长城电线电缆有限公司 | Novel crosslinked polyethylene insulated water-blocking power cable |
-
2018
- 2018-07-23 CN CN201810812848.2A patent/CN108986963A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202549388U (en) * | 2012-03-25 | 2012-11-21 | 扬州市红旗电缆制造有限公司 | High current-carrying composite shielding armored cable for vessel electric equipment system |
| CN204029452U (en) * | 2014-07-04 | 2014-12-17 | 铜陵中冠电缆有限公司 | A kind of fire-resistant lv power cable |
| CN104183331A (en) * | 2014-08-26 | 2014-12-03 | 山东华凌电缆有限公司 | IE-grade power cable for third-generation passive nuclear power plant gentle environment and production method |
| CN104319015A (en) * | 2014-10-29 | 2015-01-28 | 四川明星电缆股份有限公司 | Irradiation cross-linking polyethylene insulated low-voltage power cable preparing method |
| CN105321616A (en) * | 2015-10-23 | 2016-02-10 | 无锡市长城电线电缆有限公司 | Novel crosslinked polyethylene insulated water-blocking power cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102986A (en) * | 2020-09-15 | 2020-12-18 | 吴云 | Cross-linked polyethylene insulated polyvinyl chloride sheath shielding power cable |
| CN112542277A (en) * | 2020-11-18 | 2021-03-23 | 郑艳亭 | Preparation process of high-flame-retardant cable of power line |
| CN113764131A (en) * | 2021-09-15 | 2021-12-07 | 安徽国信电缆科技股份有限公司 | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant control cable |
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Application publication date: 20181211 |