CN202487258U - Ice-melting overhead ground wire - Google Patents
Ice-melting overhead ground wire Download PDFInfo
- Publication number
- CN202487258U CN202487258U CN2011203450365U CN201120345036U CN202487258U CN 202487258 U CN202487258 U CN 202487258U CN 2011203450365 U CN2011203450365 U CN 2011203450365U CN 201120345036 U CN201120345036 U CN 201120345036U CN 202487258 U CN202487258 U CN 202487258U
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- China
- Prior art keywords
- ice
- ground wire
- wire
- overhead ground
- galvanizing steel
- 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
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- Non-Insulated Conductors (AREA)
Abstract
The utility model discloses an ice-melting overhead ground wire which comprises a galvanizing steel wire, conductive members concentrically twisted on the galvanizing steel wire, a galvanizing steel strip concentrically wrapped with gaps on the conductive members, and reinforcing members concentrically twisted on the galvanizing steel strip. The conductive members are copper core insulated wires. The insulation of the copper core insulated wires uses weather resisting crosslinked polyethylene. The reinforcing members are a plurality of galvanizing steel wires. The ice-melting overhead ground wire of the utility model has the advantage that when a layer of ice and snow is solidified on the ice-melting ground wire, the covering ice and snow can be melted by using external layer galvanizing steel wire eddy current heating through charging in the insulated copper core wire, thereby protecting the operation safety of the overhead ground wire.
Description
Technical field:
The utility model relates to a kind of cable technology field, and particularly a kind of aerial condutor relates in particular to the ice-melt type overhead ground wire with ice-melt function.
Background technology:
Overhead ground wire does not nearly all possess from the ice-melt function at present, very easily causes accidents such as overhead transmission line collapses, broken string in case extreme ice and snow weather takes place, and causes large-area power-cuts.
The utility model content:
The utility model technical problem to be solved is do not have the ice-melt function and a kind of ice-melt type overhead ground wire is provided to existing overhead ground wire.When the extreme low temperature bad weather occurring; The phenomenon of freezing appears in the overhead ground wire surface; At this moment promptly in the copper conductor of this ice-melt type overhead ground wire, fill the electric current with certain load, so outer zinc-coated wire produces the eddy-current heating phenomenon, temperature reaches as high as 90 ℃; Thereby the melting point that is much higher than ice is realized the deicing of circuit.
The utility model technical problem to be solved can realize through following technical scheme:
Ice-melt type overhead ground wire comprises that zinc-coated wire, a concentric type are stranded in the wrapped reinforcing element on galvanized steel strip on the said wire element and the stranded said galvanized steel strip of concentric type in conducting element, concentric type gap on the zinc-coated wire.
In a preferred embodiment of the utility model, said conducting element is a copper core insulation line, and weatherability crosslinked polyethylene layer is adopted in the insulation of said copper core insulation line.
Said reinforcing element is that some zinc-coated wires are stranded.
The utility model has the advantages that when condensing one deck ice and snow on the ice-melt type ground wire, in the insulated copper heart yearn, charge, utilize outer zinc-coated wire eddy-current heating the ice dissolution that covers, thus protection overhead ground wire security of operation.
Description of drawings
Fig. 1 is the utility model ice-melt type overhead ground wire radial cross-section;
Embodiment:
The utility model combines specific embodiment to further specify as follows referring to accompanying drawing:
Referring to Fig. 1, the ice-melt type overhead ground wire shown in the figure comprises a zinc-coated wire 1, and this zinc-coated wire 1 adopts the mode of keeping flat to arrange, zinc-coated wire 1 adopts φ 2.5mm regular tenacity zinc-coated wire.
Concentric type is stranded on zinc-coated wire 1 has 6 conducting elements, and every conducting element is a copper core insulation line, and the conductor 2 of this copper core insulation line adopts φ 1.65mm, and purity is not less than 99.95%, resistivity is not more than 0.017241 Ω .mm
2/ m, elongation at break are not less than 25% stranded the forming of anaerobic annealed copper wire.The insulating barrier 3 of this copper core insulation line adopts black weather resistant crosslinked polyethylene insulation material, and insulating barrier 3 nominal thickness are: 0.4mm.The external diameter of copper core insulation line is between φ 2.3～φ 2.4mm.The differentiation of copper core insulation line adopts the black insulating surface to print different white numerals, as: 1,2,3,4,5,6.6 copper core insulation lines are to be not more than 14 times of pitch strandings of the stranded external diameter of copper core insulation line, and direction is a left-hand.
The concentric type gap is surrounded with galvanized steel strip 4 on 6 conducting elements, and galvanized steel strip 4 adopts cable armouring to use the low-carbon (LC) galvanized steel strip, and thickness is 0.2mm.
Concentric type is stranded in the outside of galvanized steel strip 4 has 12 zinc-coated wires to adopt φ 2.5mm regular tenacity zinc-coated wire as 5,12 zinc-coated wires of reinforcing element, adopts dextrad stranded, and twisting pitch is 10～14 times of stranded external diameters of this layer.
In sum; The utility model ice-melt type overhead ground wire has solved overhead transmission line under exceedingly odious meteorological condition; When the icing phenomenon appears in overhead ground wire; Adopt the ice-melt type overhead ground wire of the utility model can effectively solve the icing phenomenon of overhead ground wire, thereby guarantee that overhead transmission line is effective, reliable, safe operation.It is a kind of desirable kind that is widely used in the overhead ground wire circuit.
Claims (3)
1. ice-melt type overhead ground wire is characterized in that, comprises that zinc-coated wire, a concentric type are stranded in the wrapped reinforcing element on galvanized steel strip on the said wire element and the stranded said galvanized steel strip of concentric type in conducting element, concentric type gap on the zinc-coated wire.
2. ice-melt type overhead ground wire as claimed in claim 1 is characterized in that, said conducting element is a copper core insulation line, and weatherability crosslinked polyethylene layer is adopted in the insulation of said copper core insulation line.
3. ice-melt type overhead ground wire as claimed in claim 1 is characterized in that said reinforcing element is that some zinc-coated wires are stranded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203450365U CN202487258U (en) | 2011-09-14 | 2011-09-14 | Ice-melting overhead ground wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203450365U CN202487258U (en) | 2011-09-14 | 2011-09-14 | Ice-melting overhead ground wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202487258U true CN202487258U (en) | 2012-10-10 |
Family
ID=46961662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203450365U Expired - Fee Related CN202487258U (en) | 2011-09-14 | 2011-09-14 | Ice-melting overhead ground wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202487258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360610A (en) * | 2011-09-14 | 2012-02-22 | 湖南金杯电缆有限公司 | Ice-melting type overhead earth wire |
-
2011
- 2011-09-14 CN CN2011203450365U patent/CN202487258U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360610A (en) * | 2011-09-14 | 2012-02-22 | 湖南金杯电缆有限公司 | Ice-melting type overhead earth wire |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20190914 |