CN212516600U - Copper-silver alloy composite wire - Google Patents
Copper-silver alloy composite wire Download PDFInfo
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- CN212516600U CN212516600U CN202021444482.7U CN202021444482U CN212516600U CN 212516600 U CN212516600 U CN 212516600U CN 202021444482 U CN202021444482 U CN 202021444482U CN 212516600 U CN212516600 U CN 212516600U
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Abstract
A copper-silver alloy composite wire comprises a cable core, a belting layer, an inner liner, an armor layer and an outer sheath layer from inside to outside in sequence, wherein the number of the cable core is at least one, the cable core comprises an insulating layer and a fireproof layer from outside to inside in sequence, the cable core further comprises a graphene coating and a copper-silver alloy, the graphene coating is arranged on the outer surface of the copper-silver alloy; the graphene coating layers are at least two layers and are respectively arranged on the outer surface and the middle part of the copper-silver alloy; the utility model applies the graphene material to the copper-silver alloy composite wire, improves the conductivity of the copper-silver alloy, and adopts the copper-silver alloy, so that the current-carrying capacity, the resistance and the pressure loss of the copper-silver alloy composite wire are superior to those of the aluminum alloy; the utility model discloses an insulating layer, flame retardant coating, band layer, inner liner and armor have effectively improved copper silver alloy composite wire's physical mechanical properties, electric conductive property, chemical resistance nature, can have characteristics such as fire-retardant, do not have halogen, low cigarette, fire prevention, waterproof, resistant time, environmental protection simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the power cable and specifically relates to a copper-silver alloy composite wire rod is related to.
Background
A wire, i.e. a cable, is made of one or more mutually insulated conductors and an outer insulating protective layer, a wire for transmitting power or information from one place to another, or a rope-like cable made by twisting several or groups of wires (at least two per group), each group being insulated from each other and usually twisted around a center, the whole being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation.
Graphene has excellent optical, electrical and mechanical properties, has important application prospects in the aspects of materials science, micro-nano processing, energy, biomedicine, drug delivery and the like, is considered to be a revolutionary material in the future, at present, the graphene technology is basically mature, some electric power containing graphene appears in the market, for example, the graphene aluminum alloy cable with the application number of CN201821041980.X, the cable comprises cable cores, a belting layer, an inner liner, an armor layer and an outer sheath layer from inside to outside in sequence, wherein each cable core is one or multiple cores, each cable core comprises a graphene aluminum alloy conductor, a fireproof layer and an insulating layer from inside to outside in sequence, a longitudinal water-resistant layer is filled in a gap between each cable core and the corresponding belting layer, the inner liner layer is formed by wrapping or extruding halogen-free low-smoke high-flame-retardant materials, and the armor layer is armored by steel belts, metal wires or aluminum alloy in an interlocking manner; the outer sheath layer is formed by extruding polyvinyl chloride or weather-resistant halogen-free low-smoke flame-retardant polyolefin. The utility model discloses in using graphene aluminum alloy material to the conductor material of cable core, improved aluminum alloy cable's conductivity, high temperature resistance, solved aluminum conductor electrochemical corrosion, creep scheduling problem simultaneously, but present aluminum alloy prevalence does not have copper-silver alloy prevalence high to the current-carrying capacity of aluminum alloy is poor than the copper alloy, and the cross section needs 1.5 times just can realize the same current-carrying capacity, resistance and pressure loss.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the copper-silver alloy composite wire containing graphene is provided.
The utility model provides a technical scheme that its technical problem adopted is: a copper-silver alloy composite wire comprises a cable core, a belting layer, an inner liner, an armor layer and an outer sheath layer from inside to outside in sequence, wherein the number of the cable core is at least one, the cable core comprises an insulating layer and a fireproof layer from outside to inside in sequence, the cable core further comprises a graphene coating and a copper-silver alloy, the graphene coating is arranged on the outer surface of the copper-silver alloy, and the cable core is a core or a multi-core; the copper-silver alloy is at least one layer, and each layer of copper-silver alloy is composed of a plurality of copper-silver alloy wires.
Further, the graphene coating is at least two layers and is respectively arranged on the outer surface and the middle part of the copper-silver alloy.
Further, the graphene coating is made of silver-plated graphene powder.
Further, the fireproof layer is formed by wrapping mica tapes or extruding ceramic fireproof insulating materials.
Furthermore, the insulating layer is formed by extruding crosslinked polyethylene or ethylene propylene rubber or polyvinyl chloride.
Further, a longitudinal water-blocking layer is filled in a gap between the cable core and the belting layer, and the longitudinal water-blocking layer is an expansive water-blocking belt layer filled by water-blocking yarns or water-blocking ropes.
Further, the belting layer is a polyethylene radial water-resistant layer and is formed by extruding polyethylene.
Further, the inner liner is formed by wrapping or extruding halogen-free low-smoke high-flame-retardant materials.
Further, the armor layer is armored by steel belts or metal wires or interlocked armor of aluminum alloy.
Further, the outer sheath layer is formed by extruding polyvinyl chloride or weather-resistant halogen-free low-smoke flame-retardant polyolefin.
The utility model has the advantages that: the utility model discloses with the compound wire rod to copper silver alloy that the graphite alkene material was used, improved copper silver alloy's electric conductivity, adopt copper silver alloy, its current-carrying capacity, resistance and pressure loss are superior to the aluminum alloy.
The utility model discloses an insulating layer, flame retardant coating, band layer, inner liner and armor have effectively improved copper silver alloy composite wire's physical mechanical properties, electric conductive property, chemical resistance nature, can have characteristics such as fire-retardant, do not have halogen, low cigarette, fire prevention, waterproof, resistant time, environmental protection simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the cable core;
FIG. 3 is a schematic structural view of a cable core in example 2;
in the figure: the cable comprises a cable core 1, an insulating layer 11, a fireproof layer 12, a graphene coating 13, a copper-silver alloy 14, a longitudinal water-blocking layer 2, a belting layer 3, an inner lining layer 4, an armor layer 5 and an outer sheath layer 6.
Detailed Description
Example 1
Referring to FIGS. 1 to 2: the copper-silver alloy 14 composite wire of the embodiment sequentially comprises a cable core 1, a belting layer 3, an inner liner 4, an armor layer 5 and an outer sheath layer 6 from inside to outside, wherein the number of the cable core 1 is at least one, the cable core 1 sequentially comprises an insulating layer 11 and a fireproof layer 12 from outside to inside, the cable core 1 further comprises a graphene coating layer 13 and a copper-silver alloy 14 which are arranged in the fireproof layer 12, the graphene coating layer 13 is arranged on the outer surface of the copper-silver alloy 14, and the cable core 1 is a multi-core; the copper-silver alloy 14 is at least one layer, and each layer of copper-silver alloy 14 consists of a plurality of copper-silver alloy 14 wires; the graphene coating 13 is made of silver-plated graphene powder.
The fireproof layer 12 is formed by lapping a mica tape or extruding a ceramic fireproof insulating material; the insulating layer 11 is formed by extruding crosslinked polyethylene, ethylene propylene rubber or polyvinyl chloride.
A longitudinal water-resistant layer 2 is filled in a gap between the cable core 1 and the belting layer 3, and the longitudinal water-resistant layer 2 is an expansive water-resistant belt layer filled by water-resistant yarns or water-resistant ropes; the belting layer 3 is a polyethylene radial waterproof layer and is formed by extruding polyethylene; the inner liner 4 is formed by wrapping or extruding halogen-free low-smoke high-flame-retardant materials; the armor layer 5 adopts steel strip armor or metal wire armor or aluminum alloy interlocking armor; the outer sheath layer 6 is formed by extruding polyvinyl chloride or weather-resistant halogen-free low-smoke flame-retardant polyolefin.
The utility model discloses a theory of operation and application method: the utility model discloses can improve the security performance, the performance of product, can be applied to the cable of preparation low tension cable, medium tension cable, fire resisting cable, waterproof cable and multiple forms such as low smoke and zero halogen flame retarded cable, its electric conductive property improves 15% than ordinary copper silver alloy 14 composite wire, and mechanical properties improves 20% than ordinary copper silver alloy 14 composite wire.
Example 2
Referring to fig. 3, the present embodiment is different from embodiment 1 in that: the graphene coating 13 is at least two layers, and is respectively disposed on the outer surface and the middle portion of the copper-silver alloy 14, and the middle portion is the middle portion of the copper-silver alloy 14, it can be understood from the drawings that since the copper-silver alloy 14 is composed of a plurality of copper-silver alloys 14, the graphene coating 13 may be coated on the surface of each copper-silver alloy 14, or the graphene coating 13 is disposed in the gap between any two copper-silver alloys 14.
The middle part of the copper-silver alloy 14 also contains a graphene coating layer 13, so that the conductivity and the mechanical property are further improved.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. The utility model provides a copper-silver alloy composite wire, includes cable core (1), band layer (3), inner liner (4), armor (5) and oversheath layer (6) from inside to outside in proper order, cable core (1) quantity is one at least, and cable core (1) outside-in includes insulating layer (11) and flame retardant coating (12) in proper order, its characterized in that: the cable core (1) further comprises a graphene coating layer (13) and a copper-silver alloy (14) which are arranged in the fireproof layer (12), wherein the graphene coating layer (13) is arranged on the outer surface of the copper-silver alloy (14), and the graphene coating layer (13) is at least two layers and is respectively arranged on the outer surface and the middle part of the copper-silver alloy (14).
2. The copper-silver alloy composite wire according to claim 1, characterized in that: the graphene coating (13) is made of silver-plated graphene powder.
3. The copper-silver alloy composite wire according to claim 1, characterized in that: the fireproof layer (12) is formed by lapping a mica tape or extruding a ceramic fireproof insulating material.
4. The copper-silver alloy composite wire according to claim 1, characterized in that: the insulating layer (11) is formed by extruding crosslinked polyethylene or ethylene propylene rubber or polyvinyl chloride.
5. The copper-silver alloy composite wire according to any one of claims 1 to 4, characterized in that: a gap between the cable core (1) and the belting layer (3) is filled with a longitudinal water-blocking layer (2), and the longitudinal water-blocking layer (2) is an expansive water-blocking belt layer filled with water-blocking yarns or water-blocking ropes.
6. The copper-silver alloy composite wire according to any one of claims 1 to 4, characterized in that: the belting layer (3) is a polyethylene radial waterproof layer and is formed by extruding polyethylene.
7. The copper-silver alloy composite wire according to any one of claims 1 to 4, characterized in that: the inner liner (4) is formed by wrapping or extruding a halogen-free low-smoke high-flame-retardant material.
8. The copper-silver alloy composite wire according to any one of claims 1 to 4, characterized in that: the armor layer (5) is armored by steel belts or metal wires or interlocked armor of aluminum alloy.
9. The copper-silver alloy composite wire according to any one of claims 1 to 4, characterized in that: the outer sheath layer (6) is formed by extruding polyvinyl chloride or weather-resistant halogen-free low-smoke flame-retardant polyolefin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021444482.7U CN212516600U (en) | 2020-07-21 | 2020-07-21 | Copper-silver alloy composite wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021444482.7U CN212516600U (en) | 2020-07-21 | 2020-07-21 | Copper-silver alloy composite wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212516600U true CN212516600U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021444482.7U Active CN212516600U (en) | 2020-07-21 | 2020-07-21 | Copper-silver alloy composite wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212516600U (en) |
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2020
- 2020-07-21 CN CN202021444482.7U patent/CN212516600U/en active Active
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