CN205194353U - But overhead insulated cable of increase -volume - Google Patents
But overhead insulated cable of increase -volume Download PDFInfo
- Publication number
- CN205194353U CN205194353U CN201521058138.3U CN201521058138U CN205194353U CN 205194353 U CN205194353 U CN 205194353U CN 201521058138 U CN201521058138 U CN 201521058138U CN 205194353 U CN205194353 U CN 205194353U
- Authority
- CN
- China
- Prior art keywords
- sheath
- increase
- insulated cable
- volume
- layer
- 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.)
- Active
Links
- 229910000737 Duralumin Inorganic materials 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 238000005728 strengthening Methods 0.000 claims description 10
- 239000006071 cream Substances 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract 1
- 235000011613 Pinus brutia Nutrition 0.000 abstract 1
- 241000018646 Pinus brutia Species 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 230000002633 protecting effect Effects 0.000 abstract 1
- 230000017105 transposition Effects 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model provides a but overhead insulated cable of increase -volume belongs to insulated cable technical field, especially relates to a but overhead insulated cable of increase -volume. The utility model provides a but overhead insulated cable of increase -volume that the conductivity is high, protecting effect is good. The utility model discloses an upper end pe sheath and lower extreme pe sheath, link to each other through vertical splice bar between upper end pe sheath and the lower extreme pe sheath, upper end pe sheath size and sheath inner capacities are greater than lower extreme pe sheath size and sheath inner capacities, its structural feature upper end pe sheath inboard is by stranding the layer for the duralumin molded lines in proper order outside interior, semiconductor layer, the duralumin molded lines that duralumin molded lines transposition layer is isosceles trapezoid by a plurality of longitudinal sections is radial seamless inseparable zigzag connection and constitutes, lower extreme pe sheath inboard is provided with the water blocking layer, is provided with a plurality of loose sleeve pipes in the water blocking layer, the intraductal optic fibre that is provided with of pine cover.
Description
Technical field
The utility model belongs to insulated cable technical field, particularly relate to a kind of can the aerial insulated cable of increase-volume.
Background technology
Along with China's economy grow continuously and fast, the demand of electric power energy is also sharply increased.The quick propelling of urbanization process, the sharply increase of population, the increase of power consumer and the diversification of electricity consumption facility, make urban power distribution network load growth rapid.For many years, although company of net province has carried out large-scale old scrap build work, but because corridor, above and below ground, city resource is in great shortage, imbalance between supply and demand is still serious, and except power cable, city outer shroud and the combination area of city and country also adopt aerial insulated cable in a large number, and only Shenyang company is with regard to more than 1000 kilometers, industry out-shift of gravity center, city power distribution line corridor is more more nervous than power transmission sequence, and overhead distribution becomes power supply bottleneck, is badly in need of seeking redress., therefore, Study and Development increase-volume suspended insulated guide wire, utilizes existing distribution line to carry out capacity-increasing transformation, can improve transmission line capability 20%, can solve the problem well.10kV insulated type capacity-improving conducting wires is adopted to be applied to distribution line construction or old circuit capacity-increasing transformation, a new trial that to be power industry capacity-increasing transformation be, if original line route can be utilized, avoid the links such as expropriation of land construction, shorten construction period, reduce project cost, good Social benefit and economic benefit will be had.
Common suspended insulated guide wire aluminium conductor part adopts round regular concentric stranding mode, and press operation although have in production technology, aluminium single line cannot be made to twist together closely, its coefficient that presses only reaches 87-89%.Aluminium conductor in common suspended insulated guide wire is common electrical aluminium, and conductance is 61%IACS.The Insulation Material of common suspended insulated guide wire adopts crosslinked polyetylene insulated, and its maximum operating temperature can reach 90 degree.
Summary of the invention
The utility model is exactly for the problems referred to above, provides that a kind of conductance is high, protection effect is good can the aerial insulated cable of increase-volume.
For achieving the above object, the utility model adopts following technical scheme, the utility model comprises upper end pe sheath and lower end pe sheath, be connected by vertical dowel between upper end pe sheath with lower end pe sheath, upper end pe sheath size and sheath inner capacities are greater than lower end pe sheath size and sheath inner capacities, outside interior, duralumin molded line stranded layer is followed successively by inside its structural feature upper end pe sheath, semiconductor layer, duralumin molded line stranded layer by multiple longitudinal section be isosceles trapezoid duralumin molded line radially seamless being closely cross-linked form, be provided with water blocking layer inside the pe sheath of described lower end, be provided with multiple Loose tube in water blocking layer, in Loose tube, be provided with optical fiber.
As a kind of preferred version, duralumin molded line stranded layer described in the utility model adopts high-conductivity hard aluminum molded line stranded layer.
As another kind of preferred version, the longitudinal section of duralumin molded line stranded layer described in the utility model is that every layer all forms the structure that longitudinal section is annular for circumferentially being arranged by multiple duralumin molded line by the three-decker outside interior.
As another kind of preferred version, Loose tube described in the utility model adopts PBT Loose tube.
As another kind of preferred version, in water blocking layer described in the utility model, be also provided with cable cream, strengthening core and packing.
As another kind of preferred version, strengthening core described in the utility model adopts FRP strengthening core.
As another kind of preferred version, in Loose tube described in the utility model, be filled with fine cream.
As another kind of preferred version, the drawing of duralumin molded line described in the utility model have employed 8+3 high speed wiredrawing bench, and the strand system of duralumin twisted wire is carried out on 54 dish frame type stranding machines.
The utility model beneficial effect.
The utility model duralumin molded line stranded layer by multiple longitudinal section be isosceles trapezoid duralumin molded line radially seamless being closely cross-linked form; Replace circle single line with ladder type line, and be radially seamlessly closely cross-linked formation, contact with each other more tight, significantly reduce transmission kwh loss; And the conductance of hard-drawn aluminium wire is high, reduce transmission kwh loss further.
Be provided with water blocking layer inside the pe sheath of the utility model lower end, in water blocking layer, be provided with multiple Loose tube; Cable protective is effective, significantly extends the useful life of cable.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection range is not only confined to the statement of following content.
Fig. 1 is the utility model structural representation.
In figure, 1 be FRP strengthening core, 2 be PBT Loose tube, 3 be fine cream, 4 be optical fiber, 5 be dowel, 6 be upper end pe sheath, 7 be semiconductor layer, 8 be duralumin molded line stranded layer, 9 be cable cream, 10 be water blocking layer, 11 be packing, 12 for lower end pe sheath.
Embodiment
As shown in the figure, the utility model comprises upper end pe sheath and lower end pe sheath, be connected by vertical dowel between upper end pe sheath with lower end pe sheath, upper end pe sheath size and sheath inner capacities are greater than lower end pe sheath size and sheath inner capacities, outside interior, be followed successively by duralumin molded line stranded layer, semiconductor layer inside the pe sheath of upper end, duralumin molded line stranded layer by multiple longitudinal section be isosceles trapezoid duralumin molded line radially seamless being closely cross-linked form; Be provided with water blocking layer inside the pe sheath of described lower end, be provided with multiple Loose tube in water blocking layer, in Loose tube, be provided with optical fiber.
Described duralumin molded line stranded layer adopts high-conductivity hard aluminum molded line stranded layer.High conductivity (63%IACS) duralumin molded line system of twisting can be adopted to form, be characterized in meeting under the prerequisite that GB/T14049-2008 rated voltage 10kV aerial insulated cable conductor area is constant, mechanical property does not reduce, the conductance of hard-drawn aluminium wire is brought up to 63%IACS by 61%IACS, reaches the object improving transmission capacity, reduce line loss.High conductivity aluminium conductance is 63%IACS, and the duralumin conductivity of plain conductor is 61%IACS, adopts high conductivity molded line aluminium stranded conductor to reduce 2% than the loss of the conventional aluminium twisted wire of same size, is equivalent to save mass energy.
The longitudinal section of described duralumin molded line stranded layer is that every layer all forms the structure that longitudinal section is annular for circumferentially being arranged by multiple duralumin molded line by the three-decker outside interior.
Described Loose tube adopts PBT Loose tube.
Cable cream, strengthening core and packing is also provided with in described water blocking layer.
Described strengthening core adopts FRP strengthening core.
Fine cream is filled with in described Loose tube.
The drawing of described duralumin molded line have employed 8+3 high speed wiredrawing bench, and the strand system of duralumin twisted wire is carried out on 54 dish frame type stranding machines.
Be understandable that, above about specific descriptions of the present utility model, the technical scheme described by the utility model embodiment is only not limited to for illustration of the utility model, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, to reach identical technique effect; Needs are used, all within protection range of the present utility model as long as meet.
Claims (7)
1. one kind can the aerial insulated cable of increase-volume, comprise upper end pe sheath and lower end pe sheath, be connected by vertical dowel between upper end pe sheath with lower end pe sheath, upper end pe sheath size and sheath inner capacities are greater than lower end pe sheath size and sheath inner capacities, it is characterized in that outside interior, being followed successively by duralumin molded line stranded layer, semiconductor layer inside the pe sheath of upper end, duralumin molded line stranded layer by multiple longitudinal section be isosceles trapezoid duralumin molded line radially seamless being closely cross-linked form; Be provided with water blocking layer inside the pe sheath of described lower end, be provided with multiple Loose tube in water blocking layer, in Loose tube, be provided with optical fiber.
2. a kind of according to claim 1 can the aerial insulated cable of increase-volume, it is characterized in that described duralumin molded line stranded layer adopts high-conductivity hard aluminum molded line stranded layer.
3. a kind of according to claim 1 can the aerial insulated cable of increase-volume, it is characterized in that the longitudinal section of described duralumin molded line stranded layer is that every layer all forms the structure that longitudinal section is annular for circumferentially being arranged by multiple duralumin molded line by the three-decker outside interior.
4. a kind of according to claim 1 can the aerial insulated cable of increase-volume, it is characterized in that described Loose tube adopts PBT Loose tube.
5. a kind of according to claim 1 can the aerial insulated cable of increase-volume, it is characterized in that also being provided with cable cream, strengthening core and packing in described water blocking layer.
6. a kind of according to claim 5 can the aerial insulated cable of increase-volume, it is characterized in that described strengthening core adopts FRP strengthening core.
7. a kind of according to claim 1 can the aerial insulated cable of increase-volume, it is characterized in that being filled with fine cream in described Loose tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058138.3U CN205194353U (en) | 2015-12-18 | 2015-12-18 | But overhead insulated cable of increase -volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058138.3U CN205194353U (en) | 2015-12-18 | 2015-12-18 | But overhead insulated cable of increase -volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205194353U true CN205194353U (en) | 2016-04-27 |
Family
ID=55787323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521058138.3U Active CN205194353U (en) | 2015-12-18 | 2015-12-18 | But overhead insulated cable of increase -volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205194353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405491A (en) * | 2015-12-18 | 2016-03-16 | 国网辽宁省电力有限公司沈阳供电公司 | Capacity-increasable aerial insulated cable |
-
2015
- 2015-12-18 CN CN201521058138.3U patent/CN205194353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405491A (en) * | 2015-12-18 | 2016-03-16 | 国网辽宁省电力有限公司沈阳供电公司 | Capacity-increasable aerial insulated cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205194353U (en) | But overhead insulated cable of increase -volume | |
| CN104409154A (en) | Round split conductor with internal optical fibers | |
| CN204904896U (en) | Novel aluminum alloy cable | |
| CN203118616U (en) | A stranded type line diameter-expanded wire | |
| CN203192526U (en) | Specially-shaped aerial conductor | |
| CN105405491A (en) | Capacity-increasable aerial insulated cable | |
| CN202153452U (en) | Carbon fiber composite core aluminum stranded wire conductor wire | |
| CN103390459A (en) | Triangular carbon fiber composite core photoelectricity composite overhead conductor | |
| CN204215785U (en) | The milliken conductor of a kind of center built-in fiber | |
| CN208521676U (en) | It is a kind of based on the power cable for pressing shoe conductor arrangement | |
| CN103390458A (en) | Low-swinging carbon fiber photoelectric composite overhead conductor | |
| CN203260386U (en) | Rope-type composite core | |
| CN205177463U (en) | Parallel overhead insulated cable tied in a bundle of 10kV | |
| CN110853798A (en) | Energy-saving lead | |
| CN205581367U (en) | OPGW optical cable | |
| CN206134348U (en) | Compound line of optic fibre twists wire with one heart for smart power grids | |
| CN104616724A (en) | Moderate-strength abnormally-shaped heat-resistant aluminum alloy overhead conductor | |
| CN205428521U (en) | Multicore middling pressure is warp resistance rubber cover flexible cable for wind power generation | |
| CN217008768U (en) | Capacity-increasable overhead insulated cable | |
| CN202534424U (en) | Photoelectric composite overhead conductor with carbon fiber composite core | |
| CN203260370U (en) | Energy-saving environmental-friendly overhead photoelectric conducting wire | |
| CN204884692U (en) | Overhead insulated cable is synthesized to skeining formula photoelectricity | |
| CN204348356U (en) | Middle strength thermal resistant aluminium alloy shaped overhead conductors | |
| CN209168757U (en) | A kind of low wind pressure conducting wire of stress transfer type | |
| CN204792024U (en) | Quincunx carbon fiber complex core optoelectrical composite air wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |