CN205920820U - Damping composite fiber -optic overhead ground wi - Google Patents
Damping composite fiber -optic overhead ground wi Download PDFInfo
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- CN205920820U CN205920820U CN201620417785.7U CN201620417785U CN205920820U CN 205920820 U CN205920820 U CN 205920820U CN 201620417785 U CN201620417785 U CN 201620417785U CN 205920820 U CN205920820 U CN 205920820U
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Abstract
The utility model provides a damping composite fiber -optic overhead ground wi, under its prerequisite that does not influence OPGW quality and performance, reduce because of OPGW in natural environment vibration down, reduce OPGW's disconnected thigh phenomenon, ensure the stability of communication. It includes inner core conductor, outer conductor, inner core conductor is including innerlayer conductor, optical fiber protective tube, optic fibre, optic fibre is located in the optical fiber protective tube, optical fiber protective tube with innerlayer conductor makes up formation inner core conductor, its characterized in that: outer conductor includes at least one deck, every layer outer conductor is the convex metal wire that a plurality of sections radians are the same combination by the cross -section and forms, inlayer the closed first anchor ring structure that the outer conductor combination formed, every layer the outer conductor combination forms closed -loop face structure independent separately, and the circular interior intracavity that the adjacent closed -loop face structure that outer outer conductor forms relatively formed is provided with the outer conductor of relative inlayer.
Description
Technical field
This utility model is related to the technical field of overhead transmission line, specially a kind of vibration damping OPGW.
Background technology
With the continuous development of national economy, intelligent grid, as the general trend of power network development from now on, has been subject to society
The great attention of all circles, OPGW (opgw), as the core component of smart electric grid system, amasss built on stilts ground
, in one, the stability that it runs is directly connected to the normal operation of intelligent grid, in normal course of operation for line and communication function
In, the vibration problem of circuit is one of impact power transmission major issue, existing is related to OPGW, substantially
All that round wires are regular stranded, itself does not have effectiveness in vibration suppression, and it is chronically under open field, by natural conditions (phoenix, rain,
Ice and snow, thunder and lightning etc.) and other external conditions impact, be susceptible to various accidents.The thing wherein being caused due to transmission of electricity linearly coupled
Therefore at most.Under wind action, the power transmission line moment is in vibrational state, according to the difference of frequency and amplitude, the vibration of power transmission line
It is broadly divided into 3 kinds: 1, high frequency aeolian vibration a little；2nd, in intermediate frequency, the secondary span of width vibrates；3rd, the waving of low frequency large amplitude.
This 3 kinds vibrations all can cause different degrees of destruction to opgw and transmission line of electricity.Wherein, the aeolian vibration of opgw is the most frequent,
Vibration duration is longer, and the fatigue of strand usually can be caused stranded, or even broken string, causes communicating interrupt, this is to power system
To stablize be very unfavorable.
Content of the invention
For the problems referred to above, this utility model provides a kind of vibration damping OPGW, and it does not affect opgw matter
On the premise of amount and performance, reduce the vibration under natural environment because of opgw, reduce the stranded phenomenon of opgw it is ensured that communicate is steady
Fixed.
A kind of vibration damping OPGW, its technical scheme is such that it includes interior core conductor, outer contact,
Described interior core conductor includes inner conductor, optical fiber protective tube, optical fiber, and described optical fiber is located in described optical fiber protective tube, described
Optical fiber protective tube and described inner conductor combination formed described interior core conductor it is characterised in that: described outer contact is included at least
One layer, every layer of described outer contact is formed for some sections of radian identical metal wire combinations of circular arc by section, interior
Closing the first anchor ring structure that the described outer contact combination of layer is formed, every layer of described outer contact combination formation is each only
Vertical closing annuli arrangement, the outer contact of adjacent opposed outer layer is formed in the round cavity that closing annuli arrangement is formed
It is provided with the outer contact of relatively internal layer, the outer contact of adjacent opposed outer layer is formed to be closed the internal diameter of annuli arrangement and be more than
The outer contact of internal layer relatively is formed the external diameter of closing annuli arrangement, the circle that described closing the first anchor ring structure is formed
Interior intracavity is provided with described interior core conductor, and the diameter of the equivalent cylindrical anchor ring of described interior core conductor is less than described closing the first annulus
The internal diameter of face structure.
It is further characterized by described optical fiber protective tube and described inner conductor is the surface structure of same cross-sectional；
The material of described inner conductor is aluminum Baogang single line, and described optical fiber protective tube is stainless steel tube；
Fiber optic protection cream is filled in space between described optical fiber and the inwall of stainless steel tube；
Core conductor in the stranded formation of inner conductor of the described optical fiber protective tube of circular cross-section and circular cross-section；
When the section of described inner conductor is the structure of circular arc, the section of described optical fiber protective tube is also circular arc type, institute
State interior core conductor and also include central circular conductor, some sections of radian identical sections are circular arc inner conductor, some sections cut
Face is that in the optical fiber protective tube combination formation of circular arc, the cylindrical anchor ring of core conductor, its central lumen are provided with central circular and lead
Body, the external diameter of the cylindrical anchor ring/of described interior core conductor or equivalent cylindrical anchor ring is less than the interior of described closing the first anchor ring structure
Footpath；
The quantity of the optical fiber protective tube of described circular arc is at least one；
Every layer of described outer contact is formed for some sections of radian identical aluminum-clad steel wire combinations of circular arc by section；
Preferably, described outer contact is two-layer, the respectively first outer contact, the second outer contact, every layer described
Outer contact is formed for some sections of radian identical aluminum-clad steel wires combination of circular arc by section, described first outer contact by
The combination of 16 sections of radian identical first aluminum-clad steel wires forms corresponding closing the first anchor ring structures, and the second outer contact is by three
Ten two-stage nitration radian identical the second aluminum-clad steel wire combinations form corresponding closing the second anchor ring structure, if interior core conductor is specially
The stranded formation of dry root aluminum clad steel wire, some circular stainless steel tubes；
Interior core conductor is specially some aluminum clad steel wires, some circular stainless steel tube combinations form 1 center+n
The structure of root outer shroud, the quantity of circular stainless steel tube is at least one, and described stainless steel tube is located at outer ring position.
After technique scheme, it is circular arc by making conventional outer layer metal line with certain thickness section
The metal wire of shape, is set because the outer contact of adjacent opposed outer layer forms in the round cavity that closing annuli arrangement is formed
It is equipped with the outer contact of internal layer relatively, the outer contact of adjacent opposed outer layer is formed the internal diameter of closing annuli arrangement more than phase
The external diameter of closing annuli arrangement is formed to the outer contact of internal layer, in the round cavity that closing the first anchor ring structure is formed
Be provided with interior core conductor, the diameter of the equivalent cylindrical anchor ring of interior core conductor be less than closing the first anchor ring structure internal diameter so that
Leave gap between the inwall of the outer contact of interior core conductor and innermost layer, between adjacent outer contact, leave gap, due to
There is gap so that there is mutually intrinsic frequency of vibration between interior core conductor, outer contact and adjacent outer contact,
Make wire during aeolian vibration under stress, interfere, energy because the eigentone between each layer is different
Automatically consume the energy of aeolian vibration, reach the effect of vibration damping, on the premise of it does not affect opgw mass and performance, reduce because
Vibration under natural environment for the opgw, reduces the stranded phenomenon of opgw it is ensured that communicate stablizes.
Brief description
Fig. 1 is the cross-sectional cut-away structural representation of specific embodiment of the utility model one；
Fig. 2 is the cross-sectional cut-away structural representation of specific embodiment of the utility model two；
Title corresponding in figure sequence number is as follows:
Interior core conductor 1, outer contact 2, inner conductor 3, optical fiber protective tube 4, optical fiber 5, closing the first anchor ring structure 6,
Cylindrical anchor ring/or equivalent cylindrical anchor ring 7, aluminum-clad steel wire 8, the first outer contact 9, the second outer contact 10, central circular conductor
11.
Specific embodiment
A kind of vibration damping OPGW, is shown in Fig. 1, Fig. 2: it includes interior core conductor 1, outer contact 2, interior core conductor
1 includes inner conductor 3, optical fiber protective tube 4, optical fiber 5, and optical fiber 5 is located in optical fiber protective tube 4, and optical fiber protective tube 4 and internal layer are led
Core conductor 1 in body 3 combination formation, outer contact 2 includes at least one of which, if every layer of outer contact is circular arc by section
Dry section radian identical metal wire combination is formed, closing the first anchor ring structure 6 of the outer contact combination formation of innermost layer, often
The outer contact combination of layer forms each independent closing annuli arrangement, the formed closing of outer contact of adjacent opposed outer layer
It is provided with the outer contact of relatively internal layer, the outer contact institute of adjacent opposed outer layer in the round cavity that annuli arrangement is formed
The outer contact that the internal diameter of composition closing annuli arrangement is more than internal layer relatively is formed the external diameter closing annuli arrangement, closes first
It is provided with interior core conductor, the cylindrical anchor ring/of interior core conductor 1 or equivalent cylindrical anchor ring in the round cavity that anchor ring structure is formed
7 diameter is less than the internal diameter of closing the first anchor ring structure 6, and metal wire is specially aluminum-clad steel wire 8.
Optical fiber protective tube 4 and inner conductor 3 are the surface structure of same cross-sectional；The material of inner conductor 3 is that aluminum Baogang is single
Line, optical fiber protective tube 4 is stainless steel tube；Fiber optic protection cream is filled in space between optical fiber 5 and the inwall of stainless steel tube.
Specific embodiment one, see Fig. 1: outer contact 2 is two-layer, the respectively first outer contact 9, the second outer contact
10, the outer contact of opposed outer layer is specially the second outer contact 10, and the second outer contact 10 is formed closing annuli arrangement
Internal diameter is d2, and the outer contact of internal layer is the first outer contact 9 relatively, and the first outer contact 9 is formed closing annuli arrangement
External diameter is d1, internal diameter is d1, d1:d2=0.85, d:d1=0.85, and every layer of outer contact is some for circular arc by section
Section radian identical aluminum-clad steel wire combination is formed, and the first outer contact 9 is combined by 16 sections of radian identical first aluminum-clad steel wires
Form corresponding closing the first anchor ring structure, the second outer contact 10 is by 30 two-stage nitration radian identical the second aluminum-clad steel wire groups
Close and form corresponding closing the second anchor ring structure, it is circular that interior core conductor 1 is specially the six roots of sensation circular inner conductor 3,
Stainless steel tube is according to the stranded formation of structure of+6 outer shrouds in 1 center；A piece circular stainless steel tube is located at outer ring position, internal layer
Conductor 3 is specially aluminum clad steel wire.
Specific embodiment two, see Fig. 2: outer contact 2 is two-layer, the respectively first outer contact 9, the second outer contact
10, the outer contact of opposed outer layer is specially the second outer contact 10, and the second outer contact 10 is formed closing annuli arrangement
Internal diameter is d2, and the outer contact of internal layer is the first outer contact 9 relatively, and the first outer contact 9 is formed closing annuli arrangement
External diameter is d1, internal diameter is d1, d1:d2=0.9, and every layer of outer contact 2 is identical for some sections of radians of circular arc by section
Aluminum-clad steel wire 8 combination formed, the first outer contact 9 combined by ten two-stage nitration radian identical the first aluminum-clad steel wires formed corresponding
Close the first anchor ring structure, the second outer contact combined by 24 sections of radian identical second aluminum-clad steel wires formed corresponding
Close the second anchor ring structure, the section of inner conductor 3 is the structure of circular arc, the section of optical fiber protective tube 4 is also circular arc
Type, interior core conductor 1 also includes central circular conductor 11, and inner conductor 3, the material of central circular conductor 11 are aluminum Baogang,
Some sections of radian identical sections are in optical fiber protective tube 4 combination that 3, one section of section of circular arc inner conductor is circular arc is formed
The cylindrical anchor ring of core conductor 1, its central lumen are provided with central circular conductor 12, the outside diameter d of the cylindrical anchor ring 7 of interior core conductor 1
Internal diameter d1, d:d1=0.9 less than closing the first anchor ring structure.
Its advantage is as follows: the vibration damping aerial condutor of this steel core superalloy twisted wire has following several respects excellent
Gesture:
(1), this wire can consume the energy of aeolian vibration automatically, reaches effectiveness in vibration suppression；
(2), highest can reach the 60% of breakdown strength using stress, therefore can increase line span；
(3), because line span can be increased it is possible to reduce shaft tower radix；
(4), because to reduce shaft tower radix it is possible to reduce the investment of line construction；
(5), reduce the stranded accident of wire fatigue leading to because of aeolian vibration, increase the stability that circuit runs.
Above specific embodiment of the utility model is described in detail, but content has been only what this utility model was created
Preferred embodiment is it is impossible to be considered the practical range for limiting this utility model creation.All creation according to this utility model is applied for
The impartial change that scope is made and improvement etc., all should still belong within patent covering scope of the present utility model.
Claims (6)
1. a kind of vibration damping OPGW, it includes interior core conductor, outer contact, and described interior core conductor includes internal layer
Conductor, optical fiber protective tube, optical fiber, described optical fiber is located in described optical fiber protective tube, and described optical fiber protective tube and described internal layer are led
Body combination formed described interior core conductor it is characterised in that: described outer contact includes at least one of which, every layer of described outer contact
Formed for some sections of radian identical metal wire combinations of circular arc by section, the described outer contact combination of innermost layer is formed
Closing the first anchor ring structure, every layer of described outer contact combination forms each independent closing annuli arrangement, adjacent
The outer contact of opposed outer layer is formed to be provided with the round cavity that closing annuli arrangement is formed leads with respect to the outer layer of internal layer
Body, the outer contact of adjacent opposed outer layer is formed the outer contact institute group more than internal layer relatively for the internal diameter of closing annuli arrangement
Become the external diameter of closing annuli arrangement, be provided with described inner core in the round cavity that described closing the first anchor ring structure is formed and lead
Body, the diameter of the equivalent cylindrical anchor ring of described interior core conductor is less than the internal diameter of described closing the first anchor ring structure, described optical fiber
Protection pipe and described inner conductor are the surface structure of same cross-sectional, the described optical fiber protective tube of circular cross-section and circular cross-section
Core conductor in the stranded formation of inner conductor.
2. as claimed in claim 1 a kind of vibration damping OPGW it is characterised in that: the material of described inner conductor
For aluminum Baogang single line, described optical fiber protective tube is stainless steel tube.
3. as claimed in claim 2 a kind of vibration damping OPGW it is characterised in that: described optical fiber and stainless steel tube
Inwall between space in fill fiber optic protection cream.
4. as claimed in claim 1 a kind of vibration damping OPGW it is characterised in that: every layer of described outer contact
Formed for some sections of radian identical aluminum-clad steel wire combinations of circular arc by section.
5. as claimed in claim 4 a kind of vibration damping OPGW it is characterised in that: described outer contact be two
Layer, the respectively first outer contact, the second outer contact, every layer of described outer contact is some sections of circular arc by section
The combination of radian identical aluminum-clad steel wire is formed, and described first outer contact is by 16 sections of radian identical the first aluminum-clad steel wire groups
Close and form corresponding closing the first anchor ring structure, the second outer contact is by 30 two-stage nitration radian identical the second aluminum-clad steel wire groups
Close and form corresponding closing the second anchor ring structure, interior core conductor be specially some aluminum clad steel wires, some circular not
The rust stranded formation of steel pipe.
6. as claimed in claim 5 a kind of vibration damping OPGW it is characterised in that: interior core conductor is specially some
Root aluminum clad steel wire, some circular stainless steel tube combinations form the structure of 1 center+n root outer shroud, the stainless steel tube of circle
Quantity be at least one, described stainless steel tube be located at outer ring position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620417785.7U CN205920820U (en) | 2016-05-10 | 2016-05-10 | Damping composite fiber -optic overhead ground wi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620417785.7U CN205920820U (en) | 2016-05-10 | 2016-05-10 | Damping composite fiber -optic overhead ground wi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205920820U true CN205920820U (en) | 2017-02-01 |
Family
ID=57877861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620417785.7U Active CN205920820U (en) | 2016-05-10 | 2016-05-10 | Damping composite fiber -optic overhead ground wi |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205920820U (en) |
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2016
- 2016-05-10 CN CN201620417785.7U patent/CN205920820U/en active Active
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| 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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215234 seven industrial zone, Wujiang District, Jiangsu, Suzhou Patentee after: Jiangsu Hengtong Electric Power Intelligent Network Technology Co., Ltd Address before: 215234 seven industrial zone, Wujiang District, Jiangsu, Suzhou Patentee before: Fujikura Hengtong Aerial Cable System Ltd. |