CN208938665U - A kind of flexible direct current cable - Google Patents
A kind of flexible direct current cable Download PDFInfo
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- CN208938665U CN208938665U CN201821806362.XU CN201821806362U CN208938665U CN 208938665 U CN208938665 U CN 208938665U CN 201821806362 U CN201821806362 U CN 201821806362U CN 208938665 U CN208938665 U CN 208938665U
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- steel wire
- strengthening core
- aluminium alloy
- direct current
- flexible direct
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- 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
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Abstract
The utility model relates to field of cable technology more particularly to a kind of flexible direct current cables, the aluminium alloy conductor being arranged including strengthening core and around the circumference of strengthening core；Strengthening core is twisted by a plurality of aramid fiber rope, and aramid fiber rope is twisted by a plurality of aramid yarn, and the diameter of aramid yarn is 0.5mm~2.0mm；Semiconductive twining package tape, semiconductive conductor shield, XLPE insulating layer, semi-conductive insulation shield layer, semi-conductive buffer water-blocking band, wrinkle copper sheathing, polyethylene inner sheath, the first steel wire armor layer, the second steel wire armor layer, water-proof jacket and fire retardant jacket are successively arranged on the outer peripheral surface of aluminium alloy conductor from the inside to the outside.The flexible direct current cable, including strengthening core and around the aluminium alloy conductor of strengthening core circumference setting, strengthening core improves the radial stretching resistance of cable, and improves the bending resistance of cable.
Description
Technical field
The utility model relates to field of cable technology more particularly to a kind of flexible direct current cables.
Background technique
Flexible cable is power transmission material in drag chain kinematic system, and signal transmits the preferred cable of carrier, also known as: it drags
Chain cable, trailing cable.
Traditional flexible cable mostly uses greatly copper conductor as inner core, and the outer peripheral surface of copper core is successively arranged half from the inside to the outside
Conductive twining package tape, semiconductive shielding layer, XLPE insulating layer, insulation screen, semiconductive block water buffer strip, corrugated aluminium sheath, pitch
Erosion resistant coating, plastic sheath and graphite guide electric layer.The shortcomings that this flexible cable, is: 1, due to using copper conductor, causing cost
High, weight weight；2, corrugated aluminium sheath is easy couple corrosion；And the easy couple corrosion of corrugated aluminium sheath, therefore outside pitching erosion resistant coating, outside
Graphitization conductive layer outside sheath, to carry out oversheath DC break down voltage, but pitch and graphite are equal in cables manufacturing and use
Environment easy to pollute；4, tensile property is poor；5, the waterproof, poor flame retardant properties of plastic sheath.
Therefore, it is urgent to provide a kind of flexible direct current cables, so as to solve the deficiencies in the prior art.
Utility model content
The utility model aim is, for a kind of flexible direct current cable that the prior art is insufficient and provides.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is as follows:
A kind of flexible direct current cable, the aluminium alloy conductor being arranged including strengthening core and around the circumference of the strengthening core；
The strengthening core is twisted by a plurality of aramid fiber rope, and the aramid fiber rope is twisted by a plurality of aramid yarn, the aramid yarn
Diameter be 0.5mm~2.0mm；Semiconductive twining package tape, half are successively arranged on the outer peripheral surface of the aluminium alloy conductor from the inside to the outside
Electric conductor shielded layer, XLPE insulating layer, semi-conductive insulation shield layer, semi-conductive buffer water-blocking band, wrinkle copper sheathing, in polyethylene
Sheath, the first steel wire armor layer, the second steel wire armor layer, water-proof jacket and fire retardant jacket.
More preferably, the aluminium alloy conductor includes a plurality of aluminium alloy conductive filament, and the aluminium alloy conductive filament is uniformly set to institute
It states around strengthening core.
More preferably, first steel wire armor layer is constituted by more first steel wires are twisted.
More preferably, second steel wire armor layer is constituted by more second steel wires are twisted, the twisted side of first steel wire
To opposite with the direction of lay of second steel wire.
The utility model has the following beneficial effects:
1, the flexible direct current cable uses aluminium alloy conductor, and aluminium alloy conductor has the advantages of at low cost, light weight；
2, the flexible direct current cable uses wrinkle copper sheathing, and wrinkle copper sheathing is not easy to be corroded；
3, flexible direct current cable, including strengthening core and around the aluminium alloy conductor of strengthening core circumference setting, strengthening core
The radial stretching resistance of cable is improved, and improves the bending resistance of cable；
4, the effect of the first steel wire armor layer and the second steel wire armor layer is that enhancing tensile strength and compression strength, extension make
With the service life, cable interference free performance can also be improved by shielding protection；
5, water-proof jacket plays waterproof action, and fire retardant jacket plays fire retardation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of flexible direct current cable of the utility model；
Fig. 2 is the structural schematic diagram of the strengthening core and aluminium alloy conductor in the utility model.
Specific embodiment
The utility model is further described below with reference to embodiment, this is the preferred embodiment of the utility model.
As shown in Figs. 1-2, a kind of flexible direct current cable is arranged including strengthening core 1 and around the circumference of the strengthening core 1
Aluminium alloy conductor 2.Strengthening core 1 improves the radial stretching resistance of cable, and improves the bending resistance of cable.Aluminium alloy conductor
2 have the advantages of at low cost, light weight.It is wrapped that it is successively arranged semiconductive from the inside to the outside on the outer peripheral surface of the aluminium alloy conductor 2
Band 3, semiconductive conductor shield 4, XLPE insulating layer 5, semi-conductive insulation shield layer 6, semi-conductive buffer water-blocking band 7, wrinkle copper
Set 8, polyethylene inner sheath 9, the first steel wire armor layer 10, the second steel wire armor layer 11, water-proof jacket 12 and fire retardant jacket 13.Half
Conductive twining package tape 3 is that semiconductive nylon tape or the special more tengential belts of semiconductive, semiconductive twining package tape 3 are coated on aluminium by wrapped mode
Alloy conductor 2.Semiconductive conductor shield 4 is made of semiconductive material, and semiconductive material is to add 50% using EVA or EEA as base-material
Left and right conductive carbon black adds appropriate antioxidant, crosslinking agent and lubricant etc., forms through mixing granulation.Semiconductive conductor shield 4 is logical
The mode extruded is crossed to be coated on the surface of semiconductive twining package tape 3.The effect of semiconductive conductor shield 4 is to improve shelf depreciation
Starting voltage and insulation impact resistance characteristic.XLPE insulating layer 5 is made of crosslinked polyethylene.XLPE insulating layer 5 plays the work of insulation
With.XLPE insulating layer 5 is coated on semiconductive conductor shield 4 by way of extruding.Semi-conductive insulation shield layer 6 is by electricity
Resistance rate is very low and semiconductive material of thinner thickness is constituted.Semi-conductive insulation shield layer 6 is coated on XLPE by way of extruding
On insulating layer 5.Semi-conductive buffer water-blocking band 7 is coated on semi-conductive insulation shield layer 6 by wrapped mode.Wrinkle copper sheathing 8
It is coated on by way of longitudinal wrap on semi-conductive buffer water-blocking band 7.Polyethylene inner sheath 9 is coated on wrinkle by way of longitudinal wrap
On copper sheathing 8.First steel wire armor layer 10 is coated on polyethylene inner sheath 9 by wrapped mode.Second steel wire armor layer 11
It is coated in the first steel wire armor layer 10 by wrapped mode.The work of first steel wire armor layer 10 and the second steel wire armor layer 11
With being enhancing tensile strength and compression strength, prolong the service life, cable interference free performance can also be improved by shielding protection.
Water-proof jacket 12 is coated in the second steel wire armor layer 11 by way of longitudinal wrap.Fire retardant jacket 13 is coated by way of longitudinal wrap
On water-proof jacket 12.Water-proof jacket 12 plays waterproof action, and fire retardant jacket 13 plays fire retardation.
Referring to Fig. 2, the strengthening core 1 is twisted by a plurality of aramid fiber rope 14, the aramid fiber rope 14 is by a plurality of aramid yarn
Line 141 is twisted, and the diameter of the aramid yarn 141 is 0.5mm~2.0mm.Aramid fiber rope is constituted by aramid yarn 141
14, aramid fiber rope 14 reconstructs strengthening core 1, and the effect being arranged in this way is that tensile property is more preferable, and intensity is higher, while can also make electricity
Cable keeps certain flexibility.
Referring to Fig. 2, the aluminium alloy conductor 2 includes a plurality of aluminium alloy conductive filament 21, the aluminium alloy conductive filament 21 is
It is even to be set to around the strengthening core 1.
Referring to Fig. 1, first steel wire armor layer 10 is constituted by more first steel wires are twisted.First steel wire is uniformly distributed
In on the surface of polyethylene inner sheath 9.
Referring to Fig. 1, second steel wire armor layer 11 is constituted by more second steel wires are twisted, the second steel wire is uniformly distributed
In on the surface of the first steel wire armor layer 10.By test, the strand of the direction of lay of first steel wire and second steel wire
Close contrary, tensile strength and compression strength are higher.
The utility model has the following beneficial effects:
1, the flexible direct current cable uses aluminium alloy conductor, and aluminium alloy conductor has the advantages of at low cost, light weight；
2, the flexible direct current cable uses wrinkle copper sheathing, and wrinkle copper sheathing is not easy to be corroded；
3, flexible direct current cable, including strengthening core and around the aluminium alloy conductor of strengthening core circumference setting, strengthening core
The radial stretching resistance of cable is improved, and improves the bending resistance of cable；
4, the effect of the first steel wire armor layer and the second steel wire armor layer is that enhancing tensile strength and compression strength, extension make
With the service life, cable interference free performance can also be improved by shielding protection；
5, water-proof jacket plays waterproof action, and fire retardant jacket plays fire retardation.
The utility model is not limited to the above embodiment, it is all using structure similar with the utility model and its method come real
All modes of existing the utility model aim, both are within the protection scope of the present invention.
Claims (4)
1. a kind of flexible direct current cable, it is characterised in that: the aluminium being arranged including strengthening core and around the circumference of the strengthening core
Alloy conductor；The strengthening core is twisted by a plurality of aramid fiber rope, and the aramid fiber rope is twisted by a plurality of aramid yarn, described
The diameter of aramid yarn is 0.5mm~2.0mm；Be successively arranged from the inside to the outside on the outer peripheral surface of the aluminium alloy conductor semiconductive around
Band, semiconductive conductor shield, XLPE insulating layer, semi-conductive insulation shield layer, semi-conductive buffer water-blocking band, wrinkle copper sheathing,
Polyethylene inner sheath, the first steel wire armor layer, the second steel wire armor layer, water-proof jacket and fire retardant jacket.
2. flexible direct current cable according to claim 1, it is characterised in that: the aluminium alloy conductor includes a plurality of aluminium alloy
Conductive filament, the aluminium alloy conductive filament are uniformly set to around the strengthening core.
3. flexible direct current cable according to claim 1, it is characterised in that: first steel wire armor layer is by more first
Steel wire is twisted to be constituted.
4. flexible direct current cable according to claim 3, it is characterised in that: second steel wire armor layer is by more second
Steel wire is twisted to be constituted, and the direction of lay of first steel wire is opposite with the direction of lay of second steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806362.XU CN208938665U (en) | 2018-11-01 | 2018-11-01 | A kind of flexible direct current cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806362.XU CN208938665U (en) | 2018-11-01 | 2018-11-01 | A kind of flexible direct current cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208938665U true CN208938665U (en) | 2019-06-04 |
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ID=66726983
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821806362.XU Active CN208938665U (en) | 2018-11-01 | 2018-11-01 | A kind of flexible direct current cable |
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| Country | Link |
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| CN (1) | CN208938665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117790052A (en) * | 2024-01-04 | 2024-03-29 | 宇盛电气有限公司 | Built-in optical fiber direct current dynamic composite submarine power cable and manufacturing method thereof |
-
2018
- 2018-11-01 CN CN201821806362.XU patent/CN208938665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117790052A (en) * | 2024-01-04 | 2024-03-29 | 宇盛电气有限公司 | Built-in optical fiber direct current dynamic composite submarine power cable and manufacturing method thereof |
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