CN112466516A - Energy-saving conductor and preparation method thereof - Google Patents
Energy-saving conductor and preparation method thereof Download PDFInfo
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- CN112466516A CN112466516A CN202011303701.4A CN202011303701A CN112466516A CN 112466516 A CN112466516 A CN 112466516A CN 202011303701 A CN202011303701 A CN 202011303701A CN 112466516 A CN112466516 A CN 112466516A
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- conductor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
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- Non-Insulated Conductors (AREA)
Abstract
The invention discloses an energy-saving conductor which comprises a round wire non-compacted twisting unit and a special-shaped wire twisting unit, wherein the special-shaped wire twisting unit surrounds the outer side of the round first non-compacted twisting unit. According to the invention, the conductor is internally provided with a round wire non-pressing stranding structure, the conductor is externally provided with an energy-saving conductor structure with a special-shaped wire stranding structure, the additional resistance of cold drawing processing of the pressed conductor can be effectively avoided through a conductor mixing stranding technology, the transmission efficiency of the conductor is improved, meanwhile, through the external special-shaped wire stranding technology, the outer twisting diameter of the conductor is effectively reduced, the material consumption of the cable is saved, the arrangement compactness of adjacent single wires of the outer conductor is effectively improved, the electric field distribution of the cable is uniform, and the integral quality of the cable is improved.
Description
Technical Field
The invention relates to the technical field of wires and cables, in particular to an energy-saving conductor and a preparation method thereof.
Background
In recent years, with the advance of urban planning and construction, the demand of cables for power distribution is getting larger and larger, and how to fully and reasonably exert cable transmission capacity is always an important subject of the cable industry.
Most cable conductors employ either a round compacted conductor structure or a round non-compacted conductor structure, wherein the round compacted conductor has an increase in additional resistance due to cold working during processing; the surface of the round non-compressed conductor is uneven and compact, a large gap exists, the conductor shield is easy to sink into insulation to form an interface protrusion, the electric field concentration and other defects are caused, the outer diameter of the conductor is large, the material consumption is large, and unnecessary waste is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an energy-saving conductor and a preparation method thereof, which can effectively reduce the additional resistance of conductor processing, improve the transmission efficiency of the conductor, improve the smoothness of the surface of the conductor, reduce the risks of electric field concentration and the like caused by the fact that the conductor shield is easy to sink into the insulation to form interface protrusions, effectively reduce the outer diameter of the conductor and save the material consumption of a cable.
In order to achieve the purpose, the invention adopts the following technical scheme: an energy-saving conductor comprises a round wire non-compacted twisting unit and a special-shaped wire twisting unit, wherein the special-shaped wire twisting unit surrounds the outer side of the round non-compacted twisting unit.
Further, the round wire non-compacted twisted unit comprises M round wires; the special-shaped wire stranding unit comprises N special-shaped wires; the special-shaped lead is wound into a cylinder shape; m and N are both integers greater than 1.
Further, silicone resin is filled between the adjacent round wires.
Further, silicone resin is filled between the round conducting wire and the special-shaped conducting wire.
Furthermore, the round wire comprises a wire core I and an insulating sheath I surrounding the outer side of the wire core I.
Furthermore, the special-shaped wire comprises a wire core II and an insulating sheath II surrounding the outer side of the wire core II.
The method for preparing the energy-saving conductor comprises the following steps:
s01: twisting the round conducting wire by adopting a round wire non-pressing twisting method to form a round wire non-pressing twisting unit;
s02: twisting the special-shaped wires by adopting a special-shaped wire twisting method to form a special-shaped wire twisting unit;
s03: and filling the inner gaps of the special-shaped wire twisting units and the round wire non-compacted twisting units with silicone.
Further, the step S03 further includes:
s031: adding water to the organosilane mixture in an organic solvent for decomposition to obtain an acidic hydrolysate;
s032: and after washing the acid hydrolysate with water, filling the acid hydrolysate between the special-shaped wire twisting unit and the round wire non-compacted twisting unit, and adding a catalyst to form silicone resin between the special-shaped wire twisting unit and the round wire non-compacted twisting unit.
Further, the organosilane mixture in step S012 includes one or more of methyltrichlorosilane, dimethyldichlorosilane, phenyltrichlorosilane, and methylphenyldichlorosilane.
Further, in the step S02, the special-shaped wires are twisted by a special-shaped wire pressing twisting method to form a special-shaped wire twisting unit.
The invention has the following beneficial effects: according to the invention, the conductor is internally provided with a round wire non-pressing stranding structure, the conductor is externally provided with an energy-saving conductor structure with a special-shaped wire stranding structure, the additional resistance of cold drawing processing of the pressed conductor can be effectively avoided through a conductor mixing stranding technology, the transmission efficiency of the conductor is improved, meanwhile, through the external special-shaped wire stranding technology, the outer twisting diameter of the conductor is effectively reduced, the material consumption of the cable is saved, the arrangement compactness of adjacent single wires of the outer conductor is effectively improved, the electric field distribution of the cable is uniform, and the integral quality of the cable is improved.
Drawings
Fig. 1 is a schematic cross-sectional view of an energy-saving conductor according to the present invention.
1 round wire and 2 special-shaped wire.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, the energy-saving conductor of the present invention includes a round wire non-compacted twisting unit and a special-shaped wire twisting unit, wherein the special-shaped wire twisting unit surrounds the outer side of the round first non-compacted twisting unit.
As shown in fig. 1, the round wire non-compacted twisted unit includes M round wires 1; m is an integer greater than 1. The round wire comprises a wire core I and an insulating sheath I surrounding the outer side of the wire core I; insulating sheath I is used for keeping apart adjacent circular wire.
As shown in fig. 1, the special-shaped wire stranding unit comprises N special-shaped wires; the special-shaped wire is wound into a cylinder 2 and comprises a wire core II and an insulating sheath II wound outside the wire core II; and the insulating sheath II is used for isolating the adjacent special-shaped wires. The shape of the special-shaped wire is a prefabricated shape, and all the special-shaped wires can be wound into a cylindrical shape under the shape; the special-shaped wire stranding unit formed by stranding a plurality of prefabricated special-shaped wires by the stranding machine has good guarantee on the control of the roundness and the stability of the whole conductor, is convenient for the smooth production of the subsequent process, and reduces the quality problem of the subsequent process production.
By optimizing the conductor structure, the conductor is internally provided with the round wire non-pressing stranding unit, the conductor is externally provided with the special-shaped wire stranding unit, and by optimizing the design of the conductor structure and the process, the additional resistance caused by cold machining of the conductor is effectively reduced, the transmission efficiency of the conductor is improved, and the performance of the conductor is shown in the following table 1 after the processing verification of the copper conductor.
TABLE 1
According to the invention, the outer diameter of the twisted conductor can be effectively reduced by an external special-shaped wire twisting technology, the outer diameter reduction of the conductor and the statistical data of material consumption are shown in the following table 2 by processing and verifying copper conductors, taking typical specifications as examples, the material consumption of the cable is saved, the arrangement compactness of adjacent single wires of an outer conductor is effectively improved, the electric field distribution of the cable is uniform, and the integral quality of the cable is improved.
TABLE 2
The method for preparing the energy-saving conductor comprises the following steps:
s01: twisting the round conducting wire by adopting a round wire non-pressing twisting method to form a round wire non-pressing twisting unit;
s02: twisting the special-shaped wires by adopting a special-shaped wire twisting method to form a special-shaped wire twisting unit; the method for twisting the special-shaped wires can be the pressing twisting of the special-shaped wires.
S03: and filling the inner gaps of the special-shaped wire twisting units and the round wire non-compacted twisting units with silicone. The round conductors are not tightly pressed and twisted, so that a gap exists between the adjacent round conductors, and the round conductors cannot be overlapped with the external special-shaped conductors without a gap, so that a gap also exists between the round conductors and the special-shaped conductors. If the gap cannot be filled, the phenomenon of shaking of the internal round wire can occur in the process that the energy-saving conductor is transmitted or works normally, so that abrasion occurs between the round wire and the special-shaped wire, and the performance of the whole conductor is affected. Therefore, the present invention inventively fills the gap with silicone.
The method specifically comprises the following steps:
s031: adding water to the organosilane mixture in an organic solvent for decomposition to obtain an acidic hydrolysate. The initial product of hydrolysis of the silane mixture in the presence of an organic solvent is a mixture of cyclic, linear and crosslinked polymers, which typically also contain considerable carboxyl groups. The hydrolysate was in solution and was free-flowing.
Preferably, the organosilane mixture comprises one or more of methyltrichlorosilane, dimethyldichlorosilane, phenyltrichlorosilane, and methylphenyldichlorosilane. The organic solvent is toluene.
S032: and washing the acid hydrolysate with water, filling the acid hydrolysate between the special-shaped wire twisting unit and the round wire non-compacted twisting unit, and adding a catalyst to form silicone resin between the special-shaped wire twisting unit and the round wire non-compacted twisting unit. And washing the acid hydrolysate with water, filling the acid hydrolysate between the special-shaped wire twisting units and the round wire non-compacted twisting units, and adding a catalyst to form silicone resin between the special-shaped wire twisting units and the round wire non-compacted twisting units. The acidic hydrolysate obtained in the step is in a liquid state, and is kept in the liquid state in a short time after being washed to remove acid, at the moment, the hydrolysate after being washed to remove acid is filled between the special-shaped wire twisting unit and the round wire non-compacted twisting unit, and a neutral primary polymer entering between the special-shaped wire twisting unit and the round wire non-compacted twisting unit is further subjected to polycondensation in the presence of a catalyst, so that a highly cross-linked three-dimensional network structure is formed; the catalyst in the present invention may be any catalyst used in the prior art for forming silicone resins, such as platinum group catalysts.
Note that: at least one end of the energy-saving conductor is provided with the sealing device, so that hydrolysate filled into the special-shaped wire stranding unit is prevented from leaking. In practical application, a sealing device can be arranged at one end of the energy-saving conductor, hydrolysate and catalyst after acid removal are filled from the other end, and the end without the sealing device is kept higher than the end with the sealing device; after standing for 24 hours at room temperature, the silicone resin can be obtained.
According to the invention, the conductor is internally provided with a round wire non-pressing stranding structure, the conductor is externally provided with an energy-saving conductor structure with a special-shaped wire stranding structure, the additional resistance of cold drawing processing of the pressed conductor can be effectively avoided through a conductor mixing stranding technology, the transmission efficiency of the conductor is improved, meanwhile, through the external special-shaped wire stranding technology, the outer twisting diameter of the conductor is effectively reduced, the material consumption of the cable is saved, the arrangement compactness of adjacent single wires of the outer conductor is effectively improved, the electric field distribution of the cable is uniform, and the integral quality of the cable is improved.
Various other changes and modifications to the above-described embodiments and concepts will become apparent to those skilled in the art from the above description, and all such changes and modifications are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (10)
1. The energy-saving conductor is characterized by comprising a round wire non-compacted twisting unit and a special-shaped wire twisting unit, wherein the special-shaped wire twisting unit surrounds the outer side of the round wire non-compacted twisting unit.
2. The energy saving conductor of claim 1, wherein the round wire non-compacted stranded unit comprises M round wires; the special-shaped wire stranding unit comprises N special-shaped wires; the special-shaped lead is wound into a cylinder shape; m and N are both integers greater than 1.
3. The energy-saving conductor of claim 2, wherein the adjacent round wires are filled with silicone.
4. The energy-saving conductor of claim 2, wherein the round wire and the shaped wire are filled with silicone.
5. The energy-saving conductor as claimed in claim 2, wherein the round conductor comprises a core I and an insulating sheath I surrounding the core I.
6. The energy-saving conductor of claim 2, wherein the shaped conductor comprises a wire core II and an insulating sheath II surrounding the wire core II.
7. A method of making the energy efficient conductor of claim 1, comprising the steps of:
s01: twisting the round conducting wire by adopting a round wire non-pressing twisting method to form a round wire non-pressing twisting unit;
s02: twisting the special-shaped wires by adopting a special-shaped wire twisting method to form a special-shaped wire twisting unit;
s03: and filling the inner gaps of the special-shaped wire twisting units and the round wire non-compacted twisting units with silicone.
8. The method of claim 7, wherein the step S03 further comprises:
s031: adding water to the organosilane mixture in an organic solvent for decomposition to obtain an acidic hydrolysate;
s032: and after washing the acid hydrolysate with water, filling the acid hydrolysate between the special-shaped wire twisting unit and the round wire non-compacted twisting unit, and adding a catalyst to form silicone resin between the special-shaped wire twisting unit and the round wire non-compacted twisting unit.
9. The method of claim 8, wherein the organosilane mixture in step S012 comprises one or more of methyltrichlorosilane, dimethyldichlorosilane, phenyltrichlorosilane, and methylphenyldichlorosilane.
10. The method of claim 7, wherein the shaped conductor is stranded in step S02 by a shaped wire pressing stranding method to form a shaped wire stranding unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011303701.4A CN112466516A (en) | 2020-11-19 | 2020-11-19 | Energy-saving conductor and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011303701.4A CN112466516A (en) | 2020-11-19 | 2020-11-19 | Energy-saving conductor and preparation method thereof |
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| CN112466516A true CN112466516A (en) | 2021-03-09 |
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| CN202011303701.4A Pending CN112466516A (en) | 2020-11-19 | 2020-11-19 | Energy-saving conductor and preparation method thereof |
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Citations (12)
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| CN106205797A (en) * | 2016-07-21 | 2016-12-07 | 宿迁市同创化工科技有限公司 | A kind of buoyant cable and preparation method thereof |
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Patent Citations (12)
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| CN1661731A (en) * | 2005-01-26 | 2005-08-31 | 上海电缆研究所 | Longitudinal watertightness cable/wire |
| JP2007103060A (en) * | 2005-09-30 | 2007-04-19 | Mitsubishi Cable Ind Ltd | Watertight material for watertight insulated wire and watertight insulated wire using same |
| CN203179568U (en) * | 2013-04-03 | 2013-09-04 | 江苏通光强能输电线科技有限公司 | Conductor structure for cable |
| CN103730191A (en) * | 2014-01-15 | 2014-04-16 | 广州迈安特新能源科技有限公司 | Tight type copper aluminum mixed structured cable conductor |
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Application publication date: 20210309 |