CN205751675U - A kind of mesohigh direct current cables - Google Patents
A kind of mesohigh direct current cables Download PDFInfo
- Publication number
- CN205751675U CN205751675U CN201620400391.0U CN201620400391U CN205751675U CN 205751675 U CN205751675 U CN 205751675U CN 201620400391 U CN201620400391 U CN 201620400391U CN 205751675 U CN205751675 U CN 205751675U
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- Prior art keywords
- layer
- semiconductive shielding
- outside
- direct current
- conductor
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- 239000004020 conductor Substances 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000037303 wrinkles Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
This utility model relates to a kind of mesohigh direct current cables, it includes conductor, semiconductive shielding layer I it is provided with outside described conductor, it is provided with crosslinked polyetylene insulated layer outside described semiconductive shielding layer I, it is provided with semiconductive shielding layer II outside described crosslinked polyetylene insulated layer, it is provided with metal screen layer outside described semiconductive shielding layer II, they form core unit, described semiconductive shielding layer I, crosslinked polyetylene insulated layer and semiconductive shielding layer II is three-layer co-extruded forms, described core unit sets two altogether, it is provided with packed layer outside described core unit, double wire armor layer it is provided with outside described packed layer, it is provided with copper wire in described double wire armor layer, at the outside oversheath of described double wire armor layer.This utility model reduces the loss during transmission of electricity, improves efficiency of transmission, and cable cost is low.
Description
Technical field
This utility model relates to a kind of cable, is specifically related to a kind of direct current cables.
Background technology
Ac cable is when power supply, and AC resistance is due to the impact of kelvin effect Yu kindred effect, and resistance is relatively big, and creates electric capacity and inductance during due to Alternating Current Power Supply, and then produces impedance, and insulation loss is the biggest.
Summary of the invention
Goal of the invention: the purpose of this utility model is to overcome deficiency of the prior art, it is provided that a kind of loss reduced during transmission of electricity, improves efficiency of transmission, the mesohigh direct current cables that cable cost is low.
Technical scheme: in order to solve above-mentioned technical problem, a kind of mesohigh direct current cables described in the utility model, it includes conductor, semiconductive shielding layer I it is provided with outside described conductor, it is provided with crosslinked polyetylene insulated layer outside described semiconductive shielding layer I, it is provided with semiconductive shielding layer II outside described crosslinked polyetylene insulated layer, it is provided with metal screen layer outside described semiconductive shielding layer II, they form core unit, described semiconductive shielding layer I, crosslinked polyetylene insulated layer and semiconductive shielding layer II is three-layer co-extruded forms, described core unit sets two altogether, it is provided with packed layer outside described core unit, double wire armor layer it is provided with outside described packed layer, it is provided with copper wire in described double wire armor layer, at the outside oversheath of described double wire armor layer.
The cross section of described conductor is less than 800mm2Time, use and press circular configuration.
The cross section of described conductor is more than or equal to 800mm2Shi Caiyong milliken conductor, conductor compacting activity coefficient is more than 0.92, and milliken conductor uses four or five personal shares.
Described metal screen layer is copper strips or copper wire, and wherein copper strips uses overlapping wrapped, and Duplication is 10%-30%, and copper strips thickness is 0.15-0.20mm, and the cross section of copper wire reaches 35mm2Above.
Described metal screen layer is aluminium sheath or lead sheath, and wherein aluminium sheath uses wrinkle sheath, and metallic sheath thickness is 2 mm, allows wrapped buffer water-blocking band in protective metal shell.
Described packed layer is polyethylene foamed layer, has certain intensity, and intensity reaches 8MPa, is fully filled with space, and insulation is formed strong support.
Described oversheath is water preventing ability high density polyethylene (HDPE) set, and jacket thickness is more than 3.5mm.
Two independent split-phases of mesohigh insulated wire cores are shielded by this utility model, or split-phase metallic sheath, abnormity packing is used to be filled up completely with between core, cable is compact, symmetrical, cable insulation uses the crosslinked polyethylene adding special nano material, can reduce direct current defeated time accumulation space charge, copper wire or copper strip shielding is used after midium voltage cable insulation shielding, high-voltage cable insulating shielding is outer uses lead set or lead set, cable conductor is configured to squashed structure, outside system bag armouring double-layer wire, wherein intert copper wire, core fastening can be protected by double wire armor, also various external force can be born.
Beneficial effect: this utility model is compared with prior art, its remarkable advantage is: this utility model uses two insulated wire cores to power, core has single metal screen layer or metallic sheath, the polarity of voltage of both threads core is contrary, electric current is contrary, and external magnetic field almost all is offset, and does not has A.C.power loss, improve efficiency of transmission, also reduce cable cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of mesohigh direct current cables described in the utility model, it includes conductor 1, it is provided with semiconductive shielding layer I 2 outside described conductor 1, crosslinked polyetylene insulated layer 3 it is provided with outside described semiconductive shielding layer I 2, it is provided with semiconductive shielding layer II 4 outside described crosslinked polyetylene insulated layer 3, it is provided with metal screen layer 5 outside described semiconductive shielding layer II 4, they form core unit, described semiconductive shielding layer I 2, crosslinked polyetylene insulated layer 3 and semiconductive shielding layer II 4 is three-layer co-extruded forms, described core unit sets two altogether, it is provided with packed layer 6 outside described core unit, it is provided with double wire armor layer 7 outside described packed layer 6, it is provided with copper wire 8 in described double wire armor layer 7, at the outside oversheath 9 of described double wire armor layer 7；The cross section of described conductor 1 is less than 800mm2Time, use and press circular configuration；The cross section of described conductor 1 is more than or equal to 800mm2Shi Caiyong milliken conductor, conductor compacting activity coefficient is more than 0.92, and milliken conductor uses four or five personal shares；Described metal screen layer 5 is copper strips or copper wire, and wherein copper strips uses overlapping wrapped, and Duplication is 10%-30%, and copper strips thickness is 0.15-0.20mm, and the cross section of copper wire reaches 35mm2Above；Described metal screen layer 5 is aluminium sheath or lead sheath, and wherein aluminium sheath uses wrinkle sheath, and metallic sheath thickness is 2 mm；Described packed layer 6 is polyethylene foamed layer；Described oversheath 9 is water preventing ability high density polyethylene (HDPE) set, and jacket thickness is more than 3.5mm.This utility model uses two insulated wire cores to power, and core has single metal screen layer or metallic sheath, and the polarity of voltage of both threads core is contrary, electric current is contrary, and external magnetic field almost all is offset, and does not has A.C.power loss, improve efficiency of transmission, also reduce cable cost.
This utility model provides a kind of thinking and method; the method and the approach that implement this technical scheme are a lot; the above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications; these improvements and modifications also should be regarded as protection domain of the present utility model, and each ingredient the clearest and the most definite in the present embodiment all can use prior art to be realized.
Claims (7)
- null1. a mesohigh direct current cables，It is characterized in that: it includes conductor (1)，It is provided with semiconductive shielding layer I (2) in described conductor (1) outside，It is provided with crosslinked polyetylene insulated layer (3) in described semiconductive shielding layer I (2) outside，It is provided with semiconductive shielding layer II (4) in described crosslinked polyetylene insulated layer (3) outside，It is provided with metal screen layer (5) in described semiconductive shielding layer II (4) outside，They form core unit，Described semiconductive shielding layer I (2)、Crosslinked polyetylene insulated layer (3) and semiconductive shielding layer II (4) is three-layer co-extruded forms，Described core unit sets two altogether，Packed layer (6) it is provided with outside described core unit，It is provided with double wire armor layer (7) in described packed layer (6) outside，It is provided with copper wire (8) in described double wire armor layer (7)，The outside oversheath (9) of described double wire armor layer (7).
- Mesohigh direct current cables the most according to claim 1, it is characterised in that: the cross section of described conductor (1) is less than 800mm2Time, use and press circular configuration.
- Mesohigh direct current cables the most according to claim 1, it is characterised in that: the cross section of described conductor (1) is more than or equal to 800mm2Shi Caiyong milliken conductor, conductor compacting activity coefficient is more than 0.92, and milliken conductor uses four or five personal shares.
- Mesohigh direct current cables the most according to claim 1, it is characterised in that: described metal screen layer (5) is copper strips or copper wire, and wherein copper strips uses overlapping wrapped, and Duplication is 10%-30%, and copper strips thickness is 0.15-0.20mm, and the cross section of copper wire reaches 35mm2Above.
- Mesohigh direct current cables the most according to claim 1, it is characterised in that: described metal screen layer (5) is aluminium sheath or lead sheath, and wherein aluminium sheath uses wrinkle sheath, and metallic sheath thickness is 2 mm.
- Mesohigh direct current cables the most according to claim 1, it is characterised in that: described packed layer (6) is polyethylene foamed layer.
- Mesohigh direct current cables the most according to claim 1, it is characterised in that: described oversheath (9) is water preventing ability high density polyethylene (HDPE) set, and jacket thickness is more than 3.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400391.0U CN205751675U (en) | 2016-05-06 | 2016-05-06 | A kind of mesohigh direct current cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400391.0U CN205751675U (en) | 2016-05-06 | 2016-05-06 | A kind of mesohigh direct current cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205751675U true CN205751675U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620400391.0U Active CN205751675U (en) | 2016-05-06 | 2016-05-06 | A kind of mesohigh direct current cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205751675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346680A (en) * | 2016-05-06 | 2017-11-14 | 江苏宝安电缆有限公司 | A kind of mesohigh direct current cables |
-
2016
- 2016-05-06 CN CN201620400391.0U patent/CN205751675U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346680A (en) * | 2016-05-06 | 2017-11-14 | 江苏宝安电缆有限公司 | A kind of mesohigh direct current cables |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214205 West Side of Chaquan Road, Environmental Science Park, Yixing City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Bao'an Cable Co.,Ltd. Address before: 214205 West Side of Chaquan Road, Environmental Science Park, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU BAOAN CABLE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |