CN203871070U - Novel cable for laying optical unit later - Google Patents
Novel cable for laying optical unit later Download PDFInfo
- Publication number
- CN203871070U CN203871070U CN201420220018.8U CN201420220018U CN203871070U CN 203871070 U CN203871070 U CN 203871070U CN 201420220018 U CN201420220018 U CN 201420220018U CN 203871070 U CN203871070 U CN 203871070U
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- CN
- China
- Prior art keywords
- aluminium alloy
- power transmission
- smooth unit
- transmission line
- optical unit
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Abstract
The utility model relates to a novel cable for laying an optical unit later. The cable comprises an outer sheath extended along axial direction, an aluminum alloy interlocking armored layer, multiple power transmission lines, and a hollow micro pipe. The aluminum alloy interlocking armored layer is arranged on the inner side of the outer sheath and is in an annular shape. The multiple power transmission lines and the hollow micro pipe are all disposed in the aluminum alloy interlocking armored layer. The hollow micro pipe is used for accommodating the optical unit. According to the cable for laying an optical unit later, later fiber addition or optical cable capacity expansion is facilitated for users by reserving the hollow micro pipe used for accommodating the optical unit in the outer sheath. In addition, the aluminum alloy interlocking armored layer is employed such that the novel cable for laying an optical unit later has certain sealing, flame-retardant, and waterproof performance, and the mechanical pressure-resistant and pulling-resistant performance of the novel cable for laying an optical unit later is improved.
Description
Technical field
The utility model relates to field of cables, is specifically related to cabling behind a kind of novel smooth unit.
Background technology
Along with China greatly develops the expansion that construction " intelligent grid " is worked, the low tension communication network of building connection electric network terminal user just becomes the key link that current intelligent grid is built.By power optical fiber, arrive family, realized the synchronous transmission of flow of power and information flow.Adopting optical fiber composite low-voltage power cable to power, can thoroughly solve electric network information problem again, is effective support that country realizes " many nets merge " strategic plan.But, because user is at the different needs of different times.For example, in early days, user only need to use cable transferring electric power, if integrated optical fiber in cable now causes optical fiber waste and high cost.And if etc. after the cable laying of pure transmission of electricity function, if will increase again optical fiber, need again to increase human and material resources, carry out secondary construction wiring, can cause resource utilization lower, cause unnecessary waste.
Utility model content
In view of this, the utility model aims to provide cabling behind a kind of novel smooth unit of being convenient to set up optical fiber.
In order to realize the purpose of this utility model, the utility model provides cabling behind a kind of novel smooth unit, it comprises oversheath, aluminium alloy lock armo layer, a plurality of power transmission line and the hollow microtubule extending vertically, described aluminium alloy lock armo layer is arranged on the inner side of described oversheath and ringwise, described a plurality of power transmission line and described hollow microtubule are all arranged in described aluminium alloy lock armo layer, and described hollow microtubule is used for taking in light unit.
Preferably, in described aluminium alloy lock armo layer, be filled with asbestos cord, the coated described power transmission line of described asbestos cord and hollow microtubule.
Preferably, on the inwall of described aluminium alloy lock armo layer, be also provided with the alkali-free glass fibre reticular zone distributing ringwise.
Preferably, described in each, power transmission line comprises aluminium alloy core and is coated on the insulating barrier in described aluminium alloy core outside.
Preferably, described aluminium alloy core is by many stranded the forming of aluminium alloy wire.
Preferably, described hollow microtubule is made by high density polyethylene (HDPE).
Preferably, a plurality of described power transmission lines and described hollow microtubule distribute ringwise, and wherein a power transmission line is surrounded on wherein.
Preferably, the diameter of described power transmission line is greater than the diameter of described hollow microtubule.
Cabling behind the novel smooth unit that the utility model embodiment provides, by the hollow microtubule that remains in advance taking in oversheath, can facilitate user to set up optical fiber or optical cable dilatation in the later stage.And, adopt aluminum alloy strip lock armo layer, make this novel smooth unit after cabling there is certain sealing, fire-retardant, block-water performance, also improved the withstand voltage resistance to performance of drawing of cable gear behind this novel smooth unit simultaneously.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of cabling behind the novel smooth unit that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1, the utility model embodiment provides cabling behind a kind of novel smooth unit, and it comprises oversheath 1, aluminium alloy lock armo layer 6, a plurality of power transmission line and hollow microtubule 5.Oversheath 1, power transmission line and hollow microtubule 5 be extending axially along cable all.A plurality of power transmission lines and hollow microtubule 5 are all arranged in aluminium alloy lock armo layer 6, also by 6, aluminium alloy lock armo layer around.Hollow microtubule 5 is for taking in light unit, also be advance reservation light unit channel in cable (hollow microtubule 5), can make user lay again when the later stage needs optical fiber communication, user can also, when demand growth has surpassed the dilatation ability of existing optical cable, can directly be blown into new light unit or change more high performance optical fiber in hollow microtubule 5 simultaneously.With respect to common power cable and common optical fiber composite low-voltage cable (OPLC) cable, just seemed thorough many, avoided again stringing wiring, saved the waste of resource.Indication light unit, refers to and includes optical fiber etc. in interior optical communication unit herein.And, adopt aluminum alloy strip lock armo layer 6, make this novel smooth unit after cabling there is certain sealing, fire-retardant, block-water performance, also improved the withstand voltage resistance to performance of drawing of cable gear behind this novel smooth unit simultaneously.
In a preferred embodiment, in aluminium alloy lock armo layer 6, be filled with asbestos cord 7, the coated power transmission line of asbestos cord 7 and hollow microtubule 5, thus power transmission line and hollow microtubule 5 are played a protective role, prevent its damage.
In a preferred embodiment, on the inwall of aluminium alloy lock armo layer 6, be also provided with the alkali-free glass fibre reticular zone 2 distributing ringwise.Oversheath 1 specifically can be made by halogen-free and low-smoke flame-retardant polyolefin.
In a preferred embodiment, each power transmission line comprises aluminium alloy core 4 and is coated on the insulating barrier 3 in aluminium alloy core 4 outsides.Particularly, insulating barrier 3 is that by the outer surface at aluminium alloy core 4, to extrude a layer thickness be that the organosilane crosslinked polyethylene of 2.3mm forms.Adopt aluminium alloy core, there is the advantages such as lightweight, cost is low, price steadiness, overcome that copper cost is high, price big rise and big fall and aluminium mechanical performance low, connect the defects such as unstable.
In a preferred embodiment, aluminium alloy core 4 is by many stranded the forming of aluminium alloy wire.In the present embodiment, the aluminium alloy wire that is 2.93mm by 19 diameters is arranged in the regular stranded mode of 1+6+12, then adopts the stranded circle that is pressed into of circular compressing mold to press aluminium alloy conductor.
In a preferred embodiment, hollow microtubule 5 is made by high density polyethylene (HDPE) (HDPE).
Please refer to Fig. 1, in a preferred embodiment, a plurality of power transmission lines and hollow microtubule 5 distribute ringwise, and wherein a power transmission line is surrounded on wherein.Preferably, the diameter of power transmission line is greater than the diameter of hollow microtubule 5.
Behind novel smooth unit of the present utility model, the manufacturing process of cabling comprises the steps: conductor operation, insulation operation, stranding operation and outer nurse's order.
(1) conductor operation: the aluminium alloy wire of 7-19 root same diameter is arranged by regular stranded mode, adopted circular compressing mold to be pressed into and press circular aluminum alloy conductor.
(2) insulation operation: extrude the organosilane crosslinked polyethylene of a layer thickness between 1.0-2.0mm as insulating barrier at conductive surface, when extruded insulation layer, for guaranteeing that insulating barrier is closely attached on conductor, applies vacuum pump and vacuumizes after head.For distinguishing five cores, insulation color is different, is respectively yellow, green, red, blue, black.The core shift rate of insulating barrier should be controlled in 15%.
(3) stranding operation: the core of five different colours is placed on to the center of whole cable according to the neutral line, the hollow microtubule (Φ 12/10) of placing light unit is placed on to the position adjacent with other cores, guarantee that hollow microtubule 5 is not crushed, damages by pressure in the manufacturing and mounting and installation process, can well guarantee being blown into smoothly and stable, reliable transmission performance of later stage light unit.
(4) armouring operation: adopt the processing technology of interlocking to be coated on cable core outer surface one deck aluminum alloy strip, the thickness of aluminum alloy strip is 0.5mm.
(5) outer nurse's order: extruding a layer thickness at the outer surface of core 4 is that halogen-free and low-smoke flame-retardant polyolefin between 1.8-2.5mm is as insulating barrier 3.
Cabling behind the novel smooth unit that the utility model embodiment provides, by the hollow microtubule that remains in advance taking in oversheath, can facilitate user to set up optical fiber or optical cable dilatation in the later stage.And, adopt aluminum alloy strip lock armo layer, make this novel smooth unit after cabling there is certain sealing, fire-retardant, block-water performance, also improved the withstand voltage resistance to performance of drawing of cable gear behind this novel smooth unit simultaneously.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (8)
1. cabling behind a novel smooth unit, it is characterized in that, comprise the oversheath, aluminium alloy lock armo layer, a plurality of power transmission line and the hollow microtubule that extend vertically, described aluminium alloy lock armo layer is arranged on the inner side of described oversheath and ringwise, described a plurality of power transmission line and described hollow microtubule are all arranged in described aluminium alloy lock armo layer, and described hollow microtubule is used for taking in light unit.
2. cabling behind novel smooth unit according to claim 1, is characterized in that, in described aluminium alloy lock armo layer, is filled with asbestos cord, the coated described power transmission line of described asbestos cord and hollow microtubule.
3. cabling behind novel smooth unit according to claim 1, is characterized in that, is also provided with the alkali-free glass fibre reticular zone distributing ringwise on the inwall of described aluminium alloy lock armo layer.
4. cabling behind novel smooth unit according to claim 1, is characterized in that, described in each, power transmission line comprises aluminium alloy core and is coated on the insulating barrier in described aluminium alloy core outside.
5. cabling behind novel smooth unit according to claim 4, is characterized in that, described aluminium alloy core is by many stranded the forming of aluminium alloy wire.
6. cabling behind novel smooth unit according to claim 1, is characterized in that, described hollow microtubule is made by high density polyethylene (HDPE).
7. according to cabling behind the novel smooth unit described in claim 1 to 6 any one, it is characterized in that, a plurality of described power transmission lines and described hollow microtubule distribute ringwise, and wherein a power transmission line is surrounded on wherein.
8. cabling behind novel smooth unit according to claim 7, is characterized in that, the diameter of described power transmission line is greater than the diameter of described hollow microtubule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220018.8U CN203871070U (en) | 2014-04-30 | 2014-04-30 | Novel cable for laying optical unit later |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220018.8U CN203871070U (en) | 2014-04-30 | 2014-04-30 | Novel cable for laying optical unit later |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871070U true CN203871070U (en) | 2014-10-08 |
Family
ID=51651995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420220018.8U Expired - Fee Related CN203871070U (en) | 2014-04-30 | 2014-04-30 | Novel cable for laying optical unit later |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871070U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023639A (en) * | 2015-06-16 | 2015-11-04 | 江苏亨通电力电缆有限公司 | Intelligent optical fiber composite cable with optical unit laid later |
| CN105244110A (en) * | 2015-10-30 | 2016-01-13 | 国网上海市电力公司 | Novel optical fiber composite low-voltage cable and manufacturing method thereof |
| CN106448871A (en) * | 2015-06-16 | 2017-02-22 | 江苏亨通电力电缆有限公司 | High-tensile-strength power transmission cable |
-
2014
- 2014-04-30 CN CN201420220018.8U patent/CN203871070U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023639A (en) * | 2015-06-16 | 2015-11-04 | 江苏亨通电力电缆有限公司 | Intelligent optical fiber composite cable with optical unit laid later |
| CN106448871A (en) * | 2015-06-16 | 2017-02-22 | 江苏亨通电力电缆有限公司 | High-tensile-strength power transmission cable |
| CN106448870A (en) * | 2015-06-16 | 2017-02-22 | 江苏亨通电力电缆有限公司 | Fiber power cable |
| CN105244110A (en) * | 2015-10-30 | 2016-01-13 | 国网上海市电力公司 | Novel optical fiber composite low-voltage cable and manufacturing 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: 20141008 Termination date: 20170430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |