CN208173262U - The resistance to torsion power cable of resistance to contraction of super-pressure - Google Patents
The resistance to torsion power cable of resistance to contraction of super-pressure Download PDFInfo
- Publication number
- CN208173262U CN208173262U CN201820518130.8U CN201820518130U CN208173262U CN 208173262 U CN208173262 U CN 208173262U CN 201820518130 U CN201820518130 U CN 201820518130U CN 208173262 U CN208173262 U CN 208173262U
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- CN
- China
- Prior art keywords
- resistance
- contraction
- super
- power cable
- conductor
- 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.)
- Expired - Fee Related
Links
- 230000008602 contraction Effects 0.000 title claims abstract description 13
- 239000004020 conductor Substances 0.000 claims abstract description 19
- 239000004411 aluminium Substances 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000012946 outsourcing Methods 0.000 claims abstract description 4
- 230000003287 optical effect Effects 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the resistance to torsion power cables of resistance to contraction of super-pressure, solve the deficiencies in the prior art, technical solution is：Including conductor, the conductor outsourcing is equipped with internal shield, the outside packet of internal shield is equipped with heat treatment insulating layer, the outside packet for being heat-treated insulating layer is equipped with external shielding layer, the outside packet of external shielding layer is equipped with semiconductive band or semi-conductive buffer water-blocking band, the outside of the semiconductive band or semi-conductive buffer water-blocking band packet is equipped with corrugated aluminium sheath, and the outside packet of the corrugated aluminium sheath is equipped with flexible or flexible sheath, and the ripple of the corrugated aluminium sheath is annular line.
Description
Technical field
The utility model relates to a kind of cables, and in particular to a kind of resistance to torsion power cable of resistance to contraction of super-pressure.
Background technique
The extra-high-tension cable being laid in above overpass, that there are ground level drops is larger, is influenced by outside climatic
Undesirable element, cable are easy to happen torsional deflection and shrinkage phenomenon.Therefore prior art major defect and deficiency have at 3 points.1, electric
Cable is easy to appear torsion and torsional deformation when extending downwardly from eminence；2, the influence of the outside climatic temperature difference, cable will appear contraction
Phenomenon.
201711166379.3 cable of published application, publication date 2017-11-21, disclosed technology include cable core and
The insulating layer being coated on outside cable core, the shielded layer and cable core and insulating layer of insulating layer outer cladding form cable core unit, in cable core list
Member is externally provided with titanium layer and wearing layer.The cable of the utility model can significantly simplify the structure and production technology of cable,
While guaranteeing cable performance, the weight of cable is effectively reduced, the diameter of cable is reduced.This technology has still remained：1,
Cable is easy to appear torsion and torsional deformation when extending downwardly from eminence；2, the influence of the outside climatic temperature difference, cable will appear receipts
Contracting phenomenon.
Utility model content
Utility model aims to solve be easy to appear torsion when the above-mentioned prior art 1, cable are extended downwardly from eminence
Turn and torsional deformation；2, the problem of influence of the outside climatic temperature difference, cable will appear shrinkage phenomenon, provides a kind of resistance to torsion of super-pressure
Turn the power cable of resistance to contraction.
Technical solution adopted by the utility model to solve its technical problems is：A kind of resistance to torsion electric power of resistance to contraction of super-pressure
Cable, including conductor, the conductor outsourcing are equipped with internal shield, and the outside packet of internal shield, which is equipped with, is heat-treated insulating layer, at heat
The outside packet for managing insulating layer is equipped with external shielding layer, and the outside packet of external shielding layer is equipped with semiconductive band or semi-conductive buffer blocks water
The outside packet of band, the semiconductive band or semi-conductive buffer water-blocking band is equipped with corrugated aluminium sheath, and the outside of the corrugated aluminium sheath is wrapped
Equipped with flexible or flexible sheath, the ripple of the corrugated aluminium sheath is annular line.The utility model cable insulation need to be through Overheating Treatment
Technology eliminates insulation internal stress, reduces insulation shrinkage, and cable metal set uses corrugated aluminium sheath, and ripple improves gold using annular line
Belong to the flexibility of set, improve the resistance to shrinkage of resistance to torsion, oversheath uses soft type or high resiliency sheath, improve weather resistance and
Resistance to shrinkage.
Preferably, being provided with built-in temperature measuring optical cable at the center of conductor, the built-in temperature measuring optical cable is 1 to 10 core thermometric
Optical cable.
Preferably, the external shielding layer includes radial line and broadwise line, the axis angle of the radial line and conductor is
30 °, the spacing between the broadwise line is at least 5 times of spacing between the radial line, and the radial line is copper wire.This is practical
It is novel in this way, the ductility of external shield line can be reinforced.
Preferably, being provided with several air bubbles in flexible or flexible sheath.The utility model is in this way, can make
The ductility for obtaining oversheath is promoted.
Preferably, the area of section of copper wire and the environmental protection of 66kV ~ 500kV conductor built-in temperature-measuring optical fiber in the external shielding layer
The test short circuit current size of power cable is proportional.
Preferably, glass fiber of the broadwise line using high ductibility.
The substantial effect of the utility model is：The utility model cable insulation need to pass through heat treatment technics, eliminate insulation
Internal stress reduces insulation shrinkage, and cable metal set uses corrugated aluminium sheath, and ripple improves the flexibility of metallic sheath using annular line,
The resistance to resistance to shrinkage of torsion is improved, oversheath uses soft type or high resiliency sheath, improves weather resistance and resistance to shrinkage.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the schematic cross-section of the sheath of the utility model；
Fig. 3 is the external shielding layer arrangement schematic diagram of the utility model.
In figure：1, temperature measuring optical cable, 2, conductor, 3, internal shield, 4, heat treatment insulating layer, 5, external shielding layer, 6, semiconductive
Buffer water-blocking band, 7, corrugated aluminium sheath, 8, flexible sheath, 81, air bubble.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made further specifically
It is bright.
Embodiment：
A kind of resistance to torsion power cable of resistance to contraction of super-pressure（Referring to attached drawing 1, attached drawing 2 and attached drawing 3）, including conductor, it is described
Conductor outsourcing is equipped with internal shield, and the outside packet of internal shield is equipped with heat treatment insulating layer, and the outside packet for being heat-treated insulating layer is set
Have an external shielding layer, the outside packet of external shielding layer is equipped with semiconductive band or semi-conductive buffer water-blocking band, the semiconductive band or
The outside packet of semi-conductive buffer water-blocking band is equipped with corrugated aluminium sheath, and the outside packet of the corrugated aluminium sheath is equipped with flexible or flexible sheath,
The ripple of the corrugated aluminium sheath is annular line.Built-in temperature measuring optical cable is provided at the center of conductor, the built-in temperature measuring optical cable is 1
To 10 core temperature measuring optical cables.The external shielding layer includes radial line and broadwise line, and the axis angle of the radial line and conductor is
30 °, the spacing between the broadwise line is at least 5 times of spacing between the radial line, and the radial line is copper wire.It is flexible or
Several air bubbles 81 are provided in flexible sheath.In the external shielding layer in the area of section of copper wire and 66kV ~ 500kV conductor
The test short circuit current size for setting temperature-measuring optical fiber environmental-friendly power cable is proportional.
The cable insulation of the present embodiment need to pass through heat treatment technics, eliminate insulation internal stress, reduce insulation shrinkage, cable gold
Belong to set and use corrugated aluminium sheath, ripple improves the flexibility of metallic sheath using annular line, improves the resistance to resistance to shrinkage of torsion, outer shield
Set uses soft type or high resiliency sheath, improves weather resistance and resistance to shrinkage.
Embodiment 2：
The present embodiment is substantially the same manner as Example 1, the difference is that：
The external shielding layer includes radial line and broadwise line, and the radial line is copper wire.The broadwise line is using height
The glass fiber of ductility.The radial line is bonded between each other, and the broadwise line plays the role of braiding, the radial line with
The axis angle of conductor is 30 °, and the spacing between the broadwise line is at least 15 times of spacing between the radial line, this is practical
It is novel in this way, the ductility of external shield line can be reinforced.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (5)
1. a kind of resistance to torsion power cable of resistance to contraction of super-pressure, it is characterised in that：Including conductor, the conductor outsourcing is equipped with interior screen
Layer is covered, the outside packet of internal shield is equipped with heat treatment insulating layer, and the outside packet for being heat-treated insulating layer is equipped with external shielding layer, external shield
The outside packet of layer is equipped with semiconductive band or semi-conductive buffer water-blocking band, the semiconductive band or semi-conductive buffer water-blocking band
Outside packet is equipped with corrugated aluminium sheath, and the outside packet of the corrugated aluminium sheath is equipped with flexible or flexible sheath, the ripple of the corrugated aluminium sheath
For annular line.
2. the resistance to torsion power cable of resistance to contraction of super-pressure according to claim 1, it is characterised in that：It is set at the center of conductor
It is equipped with built-in temperature measuring optical cable, the built-in temperature measuring optical cable is 1 to 10 core temperature measuring optical cable.
3. the resistance to torsion power cable of resistance to contraction of super-pressure according to claim 1, it is characterised in that：The external shielding layer packet
Include radial line and broadwise line, the axis angle of the radial line and conductor is 30 °, and the spacing between the broadwise line is at least institute
5 times for stating spacing between radial line, the radial line are copper wire.
4. the resistance to torsion power cable of resistance to contraction of super-pressure according to claim 1, it is characterised in that：Flexible or elasticity shield
Several air bubbles are provided in set.
5. the resistance to torsion power cable of resistance to contraction of super-pressure according to claim 4, it is characterised in that：In the external shielding layer
The area of section of copper wire and the test short circuit current size of 66kV ~ 500kV conductor built-in temperature-measuring optical fiber environmental-friendly power cable are in just
Than.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820518130.8U CN208173262U (en) | 2018-04-12 | 2018-04-12 | The resistance to torsion power cable of resistance to contraction of super-pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820518130.8U CN208173262U (en) | 2018-04-12 | 2018-04-12 | The resistance to torsion power cable of resistance to contraction of super-pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208173262U true CN208173262U (en) | 2018-11-30 |
Family
ID=64372702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820518130.8U Expired - Fee Related CN208173262U (en) | 2018-04-12 | 2018-04-12 | The resistance to torsion power cable of resistance to contraction of super-pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208173262U (en) |
-
2018
- 2018-04-12 CN CN201820518130.8U patent/CN208173262U/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: 20181130 |