CN101699569A - Polymetallic ultra-light covered wire - Google Patents
Polymetallic ultra-light covered wire Download PDFInfo
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- CN101699569A CN101699569A CN200910167991A CN200910167991A CN101699569A CN 101699569 A CN101699569 A CN 101699569A CN 200910167991 A CN200910167991 A CN 200910167991A CN 200910167991 A CN200910167991 A CN 200910167991A CN 101699569 A CN101699569 A CN 101699569A
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Abstract
The invention discloses a polymetallic ultra-light covered wire, which consists of two insulated wire cores stranded. Each insulated wire core consists of a conductive reinforced core and a protective insulating layer covered outside the conductive reinforced core, wherein the conductive reinforced core consists of three copper-clad aluminum conductor conductive cores and four copper-clad steel conductor reinforced cores which are mixed and stranded; and linear polyethylene with low density is adopted as the insulating layer. The polymetallic ultra-light covered wire can simultaneously meet conductivity and mechanical performance and reduce the weight of a product, adopts the linear polyethylene with the low density as the insulating layer so as to meet the insulating performance, reduce the weight of the product and also improve the environment resistance of the product; The polymetallic ultra-light covered wire can work under the conditions of high temperature, high humidity and low temperature for a long time, has the advantages of good mechanical performance, light weight, small outer diameter, stable transmission quality, and quick and convenient succession, and is applied to engine-driven quick stretching and releasing operations.
Description
Technical field
The present invention relates to telecommunication cable, particularly a kind of polymetallic ultra-light covered wire is a kind of and " wired communication system " engineering, telephone and matching used special-purpose polymetallic ultra-light covered wire cables such as " wire transmission equipment ".
Background technology
In the prior art, the insulate line that is used for wired communication system generally has two kinds: a kind of is the polyvinyl chloride insulate line, adopts zinc-coated wire to make tensile elements, and PVC (polyvinyl chloride) insulate; Because zinc-coated wire density is big, the hardness height, the PVC cold tolerance is poor, and dielectric loss is big, therefore causes the mass defect that insulation be full of cracks and communication quality difference easily take place when using under cold conditions.Another kind is to adopt aramid yarn to make the insulate line of strengthening core, is made up of conductor wire core, aramid yarn spare strengthening core, LLDPE (LLDPE) insulating barrier three parts; Conductor wire core adopts tinned wird, and strengthening core is an aramid yarn, though this kind insulate line weight is lighter, cold resistance is better, the inconvenience that continues, and practicality is relatively poor.
Summary of the invention
Purpose of the present invention is intended to overcome above-mentioned deficiency of the prior art, provide a kind of can be in long-term work under hot and humid, the cryogenic conditions, has good mechanical performance, and in light weight, external diameter is little, the transmission quality height, continue fast, be applicable to the polymetallic ultra-light covered wire of motor-driven quickly retracting operation.
Technical solution of the present invention is: a kind of polymetallic ultra-light covered wire; thoroughly doing away with the edge cores by two twists again and forms; each insulated wire cores constitutes by conduction reinforced core and the protection insulating barrier that is coated on conduction reinforced core outside, it is characterized in that: described conduction reinforced core mixes the strand system by three copper-clad aluminum conductor conductor wire cores and constitutes with four copper covered steel wire strengthening cores.
In the technical solution of the present invention: in described three copper-clad aluminum conductor conductor wire cores and the four copper covered steel wire strengthening cores, be preferably a copper covered steel wire strengthening core be positioned at the center, in addition three copper covered steel wire strengthening cores and three copper-clad aluminum conductor conductor wire cores alternately be arranged in the copper covered steel wire strengthening core that is positioned at the center around; That is: the line of the central axis of the cross section of four copper covered steel wire strengthening cores forms " Y " shape, and three copper-clad aluminum conductor conductor wire cores are positioned at three recesses of " Y " shape support; That is: four copper covered steel wires and three copper-clad aluminum conductors are to mix the strand system by " 1+6 " version in the described conduction reinforced core.
In the technical solution of the present invention: described protection insulating barrier is preferably black linear low density polyethylene (LLDPE) insulating barrier (being the LDH insulating barrier, the same prior art of LDH).
Compared with prior art, the present invention has following characteristics and beneficial effect:
(1) the present invention adopts four copper covered steel wires and three copper-clad aluminum conductors to make the structure of conductor wire core, can satisfy conductivity and can satisfy mechanical performance again, greatly reduces product weight simultaneously;
(2) the present invention adopts linear low density polyethylene (LLDPE) to make insulating barrier, has not only satisfied insulation property but also alleviated product weight, has improved the anti-environment serviceability of product;
(3) the present invention is owing to adopt said structure, therefore can be in long-term work under hot and humid, the cryogenic conditions; Have good mechanical performance, and in light weight, external diameter is little (the product external diameter is not more than 4.1mm), transmission quality height, stable, it is quick and convenient to continue, and is applicable to motor-driven quickly retracting operation.
Description of drawings
Fig. 1 is the embodiment of the invention 1 structural representation;
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1;
Fig. 3 is the section axial sectional structure schematic diagram of Fig. 2.
Among the figure: 1-copper covered steel wire strengthening core, 2-copper-clad aluminum conductor conductor wire core, 3-black linear low density polyethylene (LLDPE) (LDH) insulating barrier.
Embodiment
Embodiment 1: referring to accompanying drawing 1,2 and 3.
A kind of polymetallic ultra-light covered wire, thoroughly doing away with the edge cores by two twists again and forms, each insulated wire cores constitutes by conduction reinforced core and the protection insulating barrier that is coated on conduction reinforced core outside, and described conduction reinforced core mixes the strand system by three copper-clad aluminum conductor conductor wire cores 2 and constitutes with four copper covered steel wire strengthening cores 1;
In described three copper-clad aluminum conductor conductor wire cores 2 and the four copper covered steel wire strengthening cores 1, copper covered steel wire strengthening core 1 be positioned at the center, in addition three copper covered steel wire strengthening cores 1 and three copper-clad aluminum conductor conductor wire cores 2 alternately be arranged in the copper covered steel wire strengthening core 1 that is positioned at the center around; That is: the line of the central axis of the cross section of four copper covered steel wire strengthening cores 1 forms " Y " shape, and three copper-clad aluminum conductor conductor wire cores are positioned at three recesses of " Y " shape support; That is: four copper covered steel wires and three copper-clad aluminum conductors are to mix the strand system by " 1+6 " version in the described conduction reinforced core;
Described protection insulating barrier is black linear low density polyethylene (LLDPE) insulating barrier 3 (being the LDH insulating barrier, the same prior art of LDH).
The production process of this embodiment polymetallic ultra-light covered wire is: will make four copper covered steel wires of conduction reinforced core and three compound many metals of copper-clad aluminum conductor and mix the strand system by " 1+6 " version (four copper covered steel wires form " Y " shapes, three copper-clad aluminum conductors are positioned at three recesses of " Y " shape support), extruding one deck LDH again outside the conduction reinforced core (is the black linear low density polyethylene (LLDPE), be prior art) insulating barrier, promptly make insulated wire cores; As shown in Figure 1, thoroughly do away with the edge core with two and twist again together, promptly make the polymetallic ultra-light covered wire product.
The invention is not restricted to the foregoing description, the technology of the present invention solution is described all can be implemented, and has described good result.
Claims (3)
1. polymetallic ultra-light covered wire; thoroughly doing away with the edge cores by two twists again and forms; each insulated wire cores constitutes by conduction reinforced core and the protection insulating barrier that is coated on conduction reinforced core outside, it is characterized in that: described conduction reinforced core mixes the strand system by three copper-clad aluminum conductor conductor wire cores and constitutes with four copper covered steel wire strengthening cores.
2. by the described polymetallic ultra-light covered wire of claim 1, it is characterized in that: in described three copper-clad aluminum conductor conductor wire cores and the four copper covered steel wire strengthening cores, copper covered steel wire strengthening core be positioned at the center, in addition three copper covered steel wire strengthening cores and three copper-clad aluminum conductor conductor wire cores alternately be arranged in the copper covered steel wire strengthening core that is positioned at the center around.
3. by claim 1 or 2 described polymetallic ultra-light covered wires, it is characterized in that: described protection insulating barrier is a black linear low density polyethylene (LLDPE) insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910167991A CN101699569A (en) | 2009-10-26 | 2009-10-26 | Polymetallic ultra-light covered wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910167991A CN101699569A (en) | 2009-10-26 | 2009-10-26 | Polymetallic ultra-light covered wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101699569A true CN101699569A (en) | 2010-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910167991A Pending CN101699569A (en) | 2009-10-26 | 2009-10-26 | Polymetallic ultra-light covered wire |
Country Status (1)
| Country | Link |
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| CN (1) | CN101699569A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950609A (en) * | 2010-08-30 | 2011-01-19 | 天津六○九电缆有限公司 | Light twisted pair phone line for field battle transmission |
| CN103440909A (en) * | 2013-09-02 | 2013-12-11 | 四川九洲线缆有限责任公司 | Copper-clad steel nylon covered wire |
-
2009
- 2009-10-26 CN CN200910167991A patent/CN101699569A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950609A (en) * | 2010-08-30 | 2011-01-19 | 天津六○九电缆有限公司 | Light twisted pair phone line for field battle transmission |
| CN103440909A (en) * | 2013-09-02 | 2013-12-11 | 四川九洲线缆有限责任公司 | Copper-clad steel nylon covered wire |
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Open date: 20100428 |