CN204348423U - Aluminum-alloy wire shielding high-tension cable - Google Patents
Aluminum-alloy wire shielding high-tension cable Download PDFInfo
- Publication number
- CN204348423U CN204348423U CN201520055402.1U CN201520055402U CN204348423U CN 204348423 U CN204348423 U CN 204348423U CN 201520055402 U CN201520055402 U CN 201520055402U CN 204348423 U CN204348423 U CN 204348423U
- Authority
- CN
- China
- Prior art keywords
- aluminum
- alloy wire
- bed course
- tension 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
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 59
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 229920003023 plastic Polymers 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 229910021365 Al-Mg-Si alloy Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 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 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a kind of aluminum-alloy wire shielding high-tension cable, it comprises a conductor, be wrapped in the conductor shield outside this conductor, insulating barrier, insulation screen, aluminum-alloy wire armour and oversheath successively, at described aluminum-alloy wire armour, the side of described conductor is provided with the first bed course, be provided with the second bed course at described aluminum-alloy wire armour away from the opposite side of described conductor, and be also provided with one deck aluminium-plastic tape outside described second bed course.Implement the utility model and can eliminate eddy current effect, and there is good bend resistance performance and shield effectiveness.
Description
Technical field
The utility model relates to a kind of high voltage power cable, especially relates to a kind of aluminum-alloy wire shielding high-tension cable.
Background technology
China's 110KV, 220KV extra-high-tension cable is widely used in electric power system.The use of extra-high-tension cable has multiple environment to lay, for different environment, it is also different to the requirement of cable, the extra-high-tension cable of current manufacture is a pattern substantially, waterproof construction is wherein generally wrapped waterstop as longitudinal waterproof, weld or extrude aluminium cover as radial waterproof, such product can meet waterproof requirement, but not high for waterproof requirement, even without the need to the environment (indoor or water-less environment) of waterproof, the manufacturing cost of this product just seems higher.In addition, in extra-high-tension cable manufacture field, to corrugated aluminum sheath employing welding or when extruding, damage because temperature controls the improper insulated wire cores that easily causes, there is potential product defect, reduce properties of product; In addition, extra-high-tension cable General Requirements is higher, and fault single-phase short circuit current is large, structurally also must take into account.
The utility model proposes for water-less environment and a kind of aluminium wire shield type EHV XLPE power cable designed without bearing pulling force during vertical run, this cable not easily damaging internal insulated wire cores in process of production, this cable reduces cost on the basis meeting serviceability, and aluminium wire armoured layer can also meet the requirement to single-phase short circuit.Existing technology, such as 03235978.0 discloses a kind of aluminum alloy wire armoured cable, and this case aluminum-alloy wire armour is between the filling bed of material and jacket layer, and aluminum-alloy wire armour does not arrange screen outward, can not eliminate the generation of eddy current completely; 200510095191.5 disclose a kind of shield cable, this case screen is copper cover aluminum or copper-clad aluminum alloy silk, shield effectiveness can reach ideal effect, but the resist bending poor-performing of copper, other electric equipments can be affected after copper is impaired, reduce the useful life of cable, visible prior art has the necessity improved further.
Utility model content
The utility model proposes a kind of aluminum-alloy wire shielding high-tension cable, it can eliminate the generation of eddy current effect, and has good bend resistance performance and shield effectiveness.
The technical solution of the utility model is achieved in that
A kind of aluminum-alloy wire shielding high-tension cable, it is characterized in that: comprise a conductor, be wrapped in the conductor shield outside this conductor successively, insulating barrier, insulation screen, aluminum-alloy wire armour and oversheath, at described aluminum-alloy wire armour, the side of described conductor is provided with the first bed course, the second bed course is provided with away from the opposite side of described conductor at described aluminum-alloy wire armour, and be also provided with one deck aluminium-plastic tape outside described second bed course, wherein, the thickness of described first bed course is 0.2mm, the external diameter of this first bed course is 25mm, the thickness of described second bed course is 0.5mm, this the second bed course external diameter is 30mm.
In this aluminum-alloy wire shielding high-tension cable of the present utility model, described first bed course and the second bed course are PVC band.
In this aluminum-alloy wire shielding high-tension cable of the present utility model, described aluminum-alloy wire armour adopts Al-Mg-Si alloy silk.
In this aluminum-alloy wire shielding high-tension cable of the present utility model, the diameter of described conductor is 16mm.
In this aluminum-alloy wire shielding high-tension cable of the present utility model, described aluminum-alloy wire armour thickness is 0.05 times of the diameter of described aluminum-alloy wire shielding high-tension cable.
In this aluminum-alloy wire shielding high-tension cable of the present utility model, described aluminum-alloy wire armour thickness is equal with described aluminium-plastic tape layer thickness.
In this aluminum-alloy wire shielding high-tension cable of the present utility model, the diameter of this aluminum-alloy wire shielding high-tension cable is 37.5mm, and the thickness of described oversheath is 2.6mm, the external diameter at least 29mm of described insulating barrier.
Implement this aluminum-alloy wire shielding high-tension cable of the present utility model, there is following beneficial effect: in aluminum-alloy wire armour, increase by a bed course, eddy current loss can be eliminated completely, the antijamming capability effect that one deck aluminium-plastic tape can strengthen cable is increased outward, the interference of isolated external electromagnetic field at described second bed course.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of this aluminum-alloy wire shielding high-tension cable of the present utility model;
Fig. 2 is the enlarged diagram of Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
Of the present utility model this aluminum-alloy wire shielding high-tension cable 100 as shown in Figure 1 to Figure 2, it comprises a conductor 101, be wrapped in the conductor shield 102 outside this conductor 101, insulating barrier 103, insulation screen 104, aluminum-alloy wire armour 106 and oversheath 109 successively, at described aluminum-alloy wire armour 106, the side of described conductor 101 is provided with the first bed course 105, be provided with the second bed course 107 at described aluminum-alloy wire armour 106 away from the opposite side of described conductor 101, and be also provided with one deck aluminium-plastic tape 108 outside described second bed course 107.The cross section of this high-tension cable is coated stratiform, is followed successively by conductor 101, conductor shield 102, insulating barrier 103, insulation screen 104, first bed course 105, aluminum-alloy wire armour 106, second bed course 107, aluminium-plastic tape 108 and oversheath 109 from inside to outside.The utility model is multi-layer compound structure, from cost-saving and environmental pollution angle, layers of material is rationally stacked, proposes to improve to structure.The use that also been removed existing cable medium pitch produced by cable, not only saves the energy, more can not produce any environmental pollution.
Fig. 2 shows the preferred of aluminum-alloy wire shielding high-tension cable 100 pairs of sizes of the application, the thickness of the first bed course 105 and the second bed course 107 is key character of the present utility model, in addition, aluminum-alloy wire armour 106 and aluminium-plastic tape 108 can carry out preferably, both ensured cable 100 resistance to mechanical external force performance, ensured again that it had certain bending property.Preferably, the diameter R of this aluminum-alloy wire shielding high-tension cable 100 is 37.5mm, and aluminum-alloy wire armour 106f=aluminium-plastic tape 108h=2mm, the thickness of aluminum-alloy wire armour 106 is 0.05R is preferably select.First bed course 105e=0.2mm, the external diameter of this first bed course is 25mm, close together between aluminum-alloy wire armour 106 and aluminium-plastic tape 108, and the thickness of the second bed course 107 increases accordingly, the second bed course 107g=0.5mm, and this second bed course external diameter is 30mm.First bed course 105 can eliminate the eddy current loss of electric current completely, second bed course 107 avoids aluminum-alloy wire armour 106 and aluminium-plastic tape 108 to produce partial discharge, under meeting extra-high-tension cable and laying the condition of environment, solve the difficult problem that screen is difficult to bear single-phase fault short circuit current, and vertical run needs the problem of bearing larger pulling force simple and efficiently.
As preferred embodiment of the present utility model; the diameter a=16mm of conductor 101; the thickness b=0.5mm of conductor shield 102; insulation screen 104d=0.5mm; described insulating barrier 103c=6.5mm; this insulating barrier 103 external diameter is 29mm, can effectively protect conductor 101, avoids the defects such as insulating barrier 103 face crack and causes conductor 101 and aluminum-alloy wire armour 106 that partial discharge occurs.Oversheath 109 adopts the high flame retardant neoprene of resistance to greasy filth to make, its thickness l=2.6mm.
What the utility model solved is eliminate the problem that eddy current loss improves cable shield antijamming capability, relates generally to the change of cross-sectional layers stack structure and size, does not relate to every layer material.Layers of material title all adopts usual explanation, and such as conductor 101 adopts multiple twisted copper conductors and water blocking yarn to make, and conductor shield 102 adopts semi-conducting material extrusion moulding, improves cable shield performance, effectively protects the stability that cable information transmits; Insulating barrier 103 adopts teflon insulation layer, and insulation screen 104 adopts semiconductive ethylene-propylene rubber, and the first bed course 105 and the second bed course 107 adopt PVC to be with, and aluminum-alloy wire armour 106, for containing Al-Mg-Si alloy silk, has high-flexibility.In addition, the material that the present embodiment is not detailed can see the relevant explanation of prior art.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. an aluminum-alloy wire shielding high-tension cable, it is characterized in that: comprise a conductor, be wrapped in the conductor shield outside this conductor successively, insulating barrier, insulation screen, aluminum-alloy wire armour and oversheath, at described aluminum-alloy wire armour, the side of described conductor is provided with the first bed course, the second bed course is provided with away from the opposite side of described conductor at described aluminum-alloy wire armour, and be also provided with one deck aluminium-plastic tape outside described second bed course, wherein, the thickness of described first bed course is 0.2mm, the external diameter of this first bed course is 25mm, the thickness of described second bed course is 0.5mm, this the second bed course external diameter is 30mm.
2. aluminum-alloy wire shielding high-tension cable according to claim 1, is characterized in that: described first bed course and the second bed course are PVC band.
3. aluminum-alloy wire according to claim 1 shielding high-tension cable, is characterized in that: described aluminum-alloy wire armour by Al-Mg-Si alloy silk around forming.
4. aluminum-alloy wire shielding high-tension cable according to claim 1, is characterized in that: the diameter of described conductor is 16mm.
5. aluminum-alloy wire shielding high-tension cable according to claim 1, is characterized in that: described aluminum-alloy wire armour thickness is 0.05 times of the diameter of described aluminum-alloy wire shielding high-tension cable.
6. aluminum-alloy wire shielding high-tension cable according to claim 1, is characterized in that: described aluminum-alloy wire armour thickness is equal with described aluminium-plastic tape layer thickness.
7. aluminum-alloy wire shielding high-tension cable according to claim 1, is characterized in that: the diameter of this aluminum-alloy wire shielding high-tension cable is 37.5mm, and the thickness of described oversheath is 2.6mm, the external diameter at least 29mm of described insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055402.1U CN204348423U (en) | 2015-01-27 | 2015-01-27 | Aluminum-alloy wire shielding high-tension cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055402.1U CN204348423U (en) | 2015-01-27 | 2015-01-27 | Aluminum-alloy wire shielding high-tension cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204348423U true CN204348423U (en) | 2015-05-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520055402.1U Expired - Fee Related CN204348423U (en) | 2015-01-27 | 2015-01-27 | Aluminum-alloy wire shielding high-tension cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN204348423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555156A (en) * | 2021-07-27 | 2021-10-26 | 晶锋集团股份有限公司 | Reinforced aluminum alloy cell cable and preparation method thereof |
-
2015
- 2015-01-27 CN CN201520055402.1U patent/CN204348423U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555156A (en) * | 2021-07-27 | 2021-10-26 | 晶锋集团股份有限公司 | Reinforced aluminum alloy cell cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 |
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| CF01 | Termination of patent right due to non-payment of annual fee |