CN217086164U - Reinforced parallel cluster overhead insulated conductor - Google Patents

Reinforced parallel cluster overhead insulated conductor Download PDF

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Publication number
CN217086164U
CN217086164U CN202220645682.1U CN202220645682U CN217086164U CN 217086164 U CN217086164 U CN 217086164U CN 202220645682 U CN202220645682 U CN 202220645682U CN 217086164 U CN217086164 U CN 217086164U
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heat dissipation
reinforced
insulated
parallel
conductor
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许坡
胡光辉
张坤皓
毛右娇
陈开炫
靳文明
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Gooda Wire And Cable Group Co ltd
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Gooda Wire And Cable Group Co ltd
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Abstract

The utility model discloses a reinforced parallel cluster overhead insulated conductor, which comprises a plurality of insulated wire cores, wherein each insulated wire core comprises a reinforced bearing wire core, a special-shaped conductor coaxially arranged outside the reinforced bearing wire core and a heat dissipation layer coated outside the special-shaped conductor, and an insulating layer with a circular section is also arranged outside the heat dissipation layer; connecting ribs are further arranged among the insulated wire cores, and the multiple insulated wire cores are connected in parallel through the connecting ribs; and the insulating layers forming the insulating wire core are respectively provided with corresponding convex ridges. Adopt aerial insulated wire, optimize and improve through the wire structure to current, can replace conventional aerial insulated cable and parallel overhead insulated cable tied in a bundle, have simple structure, stable performance, long service life, its combined cost is lower, lay the convenience, the practicality is strong, is favorable to the product popularization and application.

Description

Reinforced parallel cluster overhead insulated conductor
Technical Field
The utility model belongs to the technical field of the power cable technique and specifically relates to a parallel air insulated conductor tied in a bundle of strenghthened type.
Background
The overhead line mainly refers to an overhead open line, is erected above the ground, and is a power transmission line for transmitting electric energy by fixing a power transmission conductor on a tower erected on the ground through an insulator. The overhead insulated conductor has the advantages of convenient erection and maintenance and low cost, the overhead distribution line is easily affected by weather and environment to cause faults, such as damage caused by trees, animals, wind, rain, lightning, ice, snow and the like, and the overhead insulated conductor is widely applied to improve the reliability of power supply.
The parallel cluster overhead insulated cable (short for parallel cluster wire) is a product popularized and applied by the national power company, the cable wires are combined in a cluster shape, the unbalanced degree of distribution transformer three-phase load is reduced to be minimum, the neutral line current is reduced, the resistance loss is reduced, the single-phase line breaking accident is reduced, the operation safety coefficient is improved, the lightning protection, electricity stealing prevention and electricity leakage prevention effects are obviously improved, and the parallel cluster overhead insulated cable has very obvious advantages compared with the common overhead insulated cable. When the existing bunched cable is erected, the problems of poor tensile resistance and large sag degree exist, so that more telegraph poles need to be added for erection, and the erection cost is increased. Meanwhile, the existing parallel bundling wire adopts a stranded bundling as a cable, the production process is multiple, the processing equipment is expensive, the manufacturing process is long, the processing cost is high, and in the running state, the cable is in a stranded state, the heat release space is small, the current-carrying capacity is allowed to be 70% of the maximum value of the single cable for a long time, and the deformation of the wire is easily caused, so that the service life is influenced. In addition, the conventional overhead cable production adopts a round stranded conductor structure, so that the outer diameter of the overhead cable is large, and the yield cost is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to the problem that exists among the background art, provide a simple structure, safe and reliable, the stable performance, long service life, overall cost is low, the wire of facilitate promotion application, specifically speaking are the parallel air insulated wire tied in a bundle of strenghthened type.
For solving the technical problem, the utility model discloses the technical scheme who adopts does: a reinforced parallel cluster aerial insulated wire comprises a plurality of strands of insulated wire cores, wherein each strand of insulated wire core comprises a reinforced bearing wire core, a special-shaped conductor coaxially arranged outside the reinforced bearing wire core and a heat dissipation layer coated outside the special-shaped conductor, and an insulating layer with a circular section is further arranged outside the heat dissipation layer; connecting ribs are further arranged among the insulated wire cores, and the multiple insulated wire cores are connected in parallel through the connecting ribs; and the insulating layers forming the insulating wire core are respectively provided with corresponding convex ridges.
Further, a parallel air insulated conductor tied in a bundle of strenghthened type, wherein strenghthened type bears the weight of sinle silk and adopts carbon fiber silk to make circular plug structure for the centre layer with the glass fiber of cladding on the centre layer outer wall.
Further, a parallel air insulated conductor tied in a bundle of strenghthened type, wherein heterotypic conductor adopts a plurality of cross-sections similar to be sectorial duralumin or aluminum alloy material seamless linking to be circular structure.
Further, a parallel air insulated conductor tied in a bundle of strenghthened type, wherein the heat dissipation layer adopts graphite fin to make the band structure.
Further, a parallel air insulated conductor tied in a bundle of strenghthened type, wherein insulating layer, splice bar and convex ridge all adopt resistant weather polyethylene insulating material to make.
Further, a parallel air insulated conductor tied in a bundle of strenghthened type, wherein insulation core is equipped with three strands or four strands, insulation layer, splice bar and the convex ridge in the stranded insulation core pass through extruding machine one shot forming crowded package on the outer wall on heat dissipation layer, wherein the convex ridge that is located on the insulation layer is the vertical state and distributes with the splice bar.
Adopt a parallel air insulated conductor tied in a bundle of strenghthened type, optimize through the wire structure to current, have following beneficial effect:
firstly set up strenghthened type at the conductor center and bear the sinle silk, the strenghthened type bears the sinle silk and adopts the carbon fiber to make circular plug structure as centre layer and glass fiber cladding, and its intensity is high, and general steel wire tensile strength is 1240MPa, and high strength steel wire tensile strength is 1410MPa, and carbon fiber wire tensile strength is 2399MPa, is 1.9 and 1.7 times before the two respectively. The specific gravity of the carbon fiber composite core is about 1/4 of steel, so that the span between the rod and the tower can be greatly increased, and the engineering cost is reduced;
secondly, the one-step forming process is adopted, the equipment is simple, the working procedure is simplified, the cost is low, and the processing efficiency is high;
thirdly, a heat dissipation layer is arranged between the outer side of the special-shaped conductor and the insulating layer, the heat dissipation layer is made into a strip-shaped structure by adopting graphite heat dissipation fins, the heat release space and the heat release speed of the graphite heat dissipation fins are far larger than those of the existing twisted structure, the current-carrying capacity is allowed to be larger than 70% of the maximum value for a long time, and the service life of the heat dissipation layer is prolonged;
fourthly, the special-shaped conductor adopts a plurality of hard aluminum or aluminum alloy materials with fan-shaped sections and is in a circular structure in a seamless connection mode, the outer diameter of the conductor can be reduced by 2-3 mm due to the seamless connection among conductor monofilaments, current transmission is surface transmission, the special-shaped conductor structure is adopted, the outer surface of the conductor is more round and smooth, the conductor sections are the same, and the current-carrying capacity is more advantageous;
fifthly, the insulating layer is provided with the convex ridge which is used as a phase splitting mark, so that the wrong line connection can be effectively avoided;
sixthly, the insulating layer, the connecting ribs and the convex ridges are all made of weather-resistant polyethylene insulating materials and are extruded and coated on the outer wall of the heat dissipation layer through one-step forming of an extruding machine, so that the insulating property of the wire is guaranteed, and the preparation efficiency of the wire is improved.
Therefore, adopt aerial insulated wire, optimize and improve through the wire structure to current, can replace conventional aerial insulated cable and parallel beam built on stilts insulated cable, have simple structure, the stable performance, long service life, its comprehensive cost is lower, lays the convenience, and the practicality is strong, is favorable to the product popularization and application.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Shown in the figure: 1-reinforced bearing wire core, 2-special-shaped conductor, 3-heat dissipation layer, 4-insulating layer, 5-connecting rib and 6-convex ridge.
Detailed Description
As shown in fig. 1, the utility model discloses a reinforced parallel bunched aerial insulated conductor, which comprises a plurality of insulated wire cores, wherein each insulated wire core comprises a reinforced bearing wire core 1, a special-shaped conductor 2 coaxially arranged outside the reinforced bearing wire core 1 and a heat dissipation layer 3 coated outside the special-shaped conductor 2, and an insulating layer 4 with a circular section is arranged outside the heat dissipation layer 3; connecting ribs 5 are further arranged among the insulated wire cores, and the multiple insulated wire cores are connected in parallel through the connecting ribs 5; and the insulating layers 4 forming the insulated wire core are respectively provided with corresponding convex ridges 6.
Further, the utility model discloses a reinforced parallel cluster overhead insulated conductor, wherein the reinforced bearing core wire 1 adopts carbon fiber wire as the center layer and glass fiber coated on the outer wall of the center layer to make a round core rod structure; the special-shaped conductor 2 adopts a plurality of hard aluminum or aluminum alloy materials with fan-shaped sections which are connected into a circular structure in a seamless manner; the heat dissipation layer 3 is made into a strip-shaped structure by adopting graphite heat dissipation fins; the insulating layer 4, the connecting ribs 5 and the convex ridges 6 are all made of weather-resistant polyethylene insulating materials.
Adopt a dampproofing multicore electric wire for house ornamentation, in concrete preparation and application, can be according to the application environment, insulating sinle silk can set up to three strands or four strands, through 5 parallel connection of splice bar between the adjacent two strands of insulating sinle silks. The insulating layer 4, the connecting ribs 5 and the convex ridges 6 are all made of weather-resistant polyethylene insulating materials and extruded on the outer wall of the heat dissipation layer 3 through one-step forming by an extruding machine, wherein the convex ridges 6 on the insulating layer 4 and the connecting ribs 5 are distributed in a vertical state. The extrusion process is one-step formed by the plastic extruding machine, so that the process is simplified, the preparation cost is reduced, the preparation and processing efficiency is improved, and the processing quality is stable by one-step formed extrusion.
Adopt a parallel air insulated conductor tied in a bundle of strenghthened type, optimize through the wire structure to current, have following advantage in preparation and use: firstly set up strenghthened type at the conductor center and bear the sinle silk, the strenghthened type bears the sinle silk and adopts the carbon fiber to make circular plug structure as centre layer and glass fiber cladding, and its intensity is high, and general steel wire tensile strength is 1240MPa, and high strength steel wire tensile strength is 1410MPa, and carbon fiber wire tensile strength is 2399MPa, is 1.9 and 1.7 times before the two respectively. The specific gravity of the carbon fiber composite core is about 1/4 of steel, so that the span between the rod and the tower can be greatly increased, and the engineering cost is reduced; secondly, the one-step forming process is adopted, the equipment is simple, the working procedure is simplified, the cost is low, and the processing efficiency is high; thirdly, a heat dissipation layer 3 is arranged between the outer side of the special-shaped conductor 2 and the insulating layer 4, the heat dissipation layer 3 is made into a strip-shaped structure by adopting graphite heat dissipation fins, the heat release space and the heat release speed of the graphite heat dissipation fins are far greater than those of the existing twisted structure, the current-carrying capacity is allowed to be greater than 70% of the maximum value for a long time, and the service life of the heat dissipation layer is prolonged; fourthly, the special-shaped conductor 2 adopts a plurality of hard aluminum or aluminum alloy materials with fan-shaped sections to be in a circular structure in a seamless connection mode, the outer diameter of the conductor can be reduced by 2-3 mm due to the seamless connection among conductor monofilaments, current transmission is surface transmission, the special-shaped conductor structure is adopted, the outer surface is more round and smooth, the same conductor section is adopted, and the current-carrying capacity is more advantageous; fifthly, the insulating layer is provided with the convex ridge which is used as a phase splitting mark, so that the wrong line connection can be effectively avoided; sixthly, the insulating layer 4, the connecting ribs 5 and the convex ridges 6 are all extruded and coated on the outer wall of the heat dissipation layer 3 by adopting weather-resistant polyethylene insulating materials through one-step forming of an extruding machine, so that the insulating property of the lead is ensured, and the preparation efficiency of the lead is improved.
To sum up, adopt aerial insulated wire, optimize and improve through the wire structure to current, can replace conventional aerial insulated cable and parallel overhead insulated cable tied in a bundle, have simple structure, the stable performance, long service life, its comprehensive cost is lower, lays the convenience, and the practicality is strong, is favorable to the product popularization and application.
The utility model discloses a protection scope is not only limited to the disclosed technical scheme of embodiment, above only do the utility model discloses a preferred embodiment, and not the restriction the utility model discloses, all basis the utility model discloses an any slight modification, equivalent replacement and improvement that technical scheme did all should contain within the utility model discloses within technical scheme's the protection scope.

Claims (6)

1. The utility model provides a parallel air insulated conductor tied in a bundle of strenghthened type which characterized in that: the cable comprises a plurality of strands of insulated wire cores, wherein each strand of insulated wire core comprises a reinforced bearing wire core (1), a special-shaped conductor (2) coaxially arranged outside the reinforced bearing wire core (1) and a heat dissipation layer (3) coated outside the special-shaped conductor (2), and an insulating layer (4) with a circular section is also arranged outside the heat dissipation layer (3); connecting ribs (5) are further arranged among the insulated wire cores, and the multiple insulated wire cores are connected in parallel through the connecting ribs (5); and the insulating layers (4) forming the insulating wire cores are respectively provided with corresponding convex ridges (6).
2. The reinforced parallel bunched overhead insulated conductor of claim 1, wherein: the reinforced bearing wire core (1) adopts carbon fiber wires as a central layer and glass fibers coated on the outer wall of the central layer to manufacture a circular core rod structure.
3. The reinforced parallel bunched overhead insulated conductor of claim 1, wherein: the special-shaped conductor (2) adopts a plurality of hard aluminum or aluminum alloy materials with fan-shaped sections which are seamlessly connected into a circular structure.
4. The reinforced parallel bunched overhead insulated conductor of claim 1, wherein: the heat dissipation layer (3) is made into a strip-shaped structure by adopting graphite heat dissipation fins.
5. The reinforced parallel bundling overhead insulated conductor according to claim 1, characterized in that: the insulating layer (4), the connecting ribs (5) and the convex ridges (6) are all made of weather-resistant polyethylene insulating materials.
6. The reinforced parallel bundling overhead insulated conductor according to claim 1, characterized in that: the heat dissipation layer is characterized in that the insulation wire cores are provided with three or four strands, insulation layers (4), connecting ribs (5) and convex ridges (6) in the multiple strands of insulation wire cores are extruded on the outer wall of the heat dissipation layer (3) through one-step forming of an extruding machine, and the convex ridges (6) on the insulation layers (4) and the connecting ribs (5) are distributed in a vertical state.
CN202220645682.1U 2022-03-24 2022-03-24 Reinforced parallel cluster overhead insulated conductor Active CN217086164U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220645682.1U CN217086164U (en) 2022-03-24 2022-03-24 Reinforced parallel cluster overhead insulated conductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220645682.1U CN217086164U (en) 2022-03-24 2022-03-24 Reinforced parallel cluster overhead insulated conductor

Publications (1)

Publication Number Publication Date
CN217086164U true CN217086164U (en) 2022-07-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220645682.1U Active CN217086164U (en) 2022-03-24 2022-03-24 Reinforced parallel cluster overhead insulated conductor

Country Status (1)

Country Link
CN (1) CN217086164U (en)

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GR01 Patent grant
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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A reinforced parallel bundled overhead insulated conductor

Granted publication date: 20220729

Pledgee: The Bank of Guiyang branch of Limited by Share Ltd. Pingba

Pledgor: Gooda wire and cable (Group) Co.,Ltd.

Registration number: Y2024980029506

PE01 Entry into force of the registration of the contract for pledge of patent right