Lightweight high-conductivity aluminum alloy stranded wire

Abstract

The utility model discloses a light-weight high-conductivity aluminum alloy stranded wire, which relates to the technical field of stranded wires and comprises an isolating layer, copper inner stranded wires are filled in the isolating layer, two layers of aluminum alloy outer stranded wires are wrapped outside the isolating layer, heat-conducting silica gel layers are wrapped outside the aluminum alloy outer stranded wires, and the heat-conducting silica gel layers are coated outside the aluminum alloy outer stranded wires. The heat-conducting silica gel layer is petal-shaped; according to the light high-conductivity aluminum alloy stranded wire, the outer side of the aluminum alloy outer stranded wire is wrapped with the petal-like heat conduction silica gel layer, a plurality of sunken structures can be formed, the aluminum alloy outer stranded wire is close to the sunken positions in partial areas, and the metal net strips, the metal heat dissipation wires and the galvanized steel wires are matched, so that the heat conduction performance is improved; meanwhile, the heat dissipation through holes penetrating through the heat conduction silica gel layer are formed in the concave positions, the heat dissipation thin openings communicated with the metal heat dissipation wires are formed in the protruding positions, and the heat dissipation performance is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stranded wires, in particular to a lightweight and high-conductivity aluminum alloy stranded wire. Background Art

[0002] Stranded wire is a wire structure formed by twisting multiple individual wires or cables together through a specific process. It is a type of cable with good mechanical strength, conductivity and anti-interference properties.

[0003] The structure of stranded wires currently on the market is roughly as follows: multiple wires are twisted together to form multiple layers, and are wrapped with a protective cover on the outside. The overall cross-section is circular. If the protective cover is thinner, the heat dissipation performance is improved, but the protection performance is reduced. If the protective cover is thicker, the protection performance is good, but the heat dissipation performance is reduced. Utility Model Content

[0004] The utility model provides a lightweight and high-conductivity aluminum alloy stranded wire, which has the advantages of strong protection performance and good heat dissipation effect, and solves the problems raised in the background technology.

[0005] In order to solve the defects of the existing stranded wires in terms of protection performance and heat dissipation performance, the utility model provides the following technical solutions: a lightweight and high-conductivity aluminum alloy stranded wire, comprising an insulating layer, the insulating layer is filled with copper inner stranded wire, the outer side of the insulating layer is wrapped with two layers of aluminum alloy outer stranded wire, the outer side of the aluminum alloy outer stranded wire is wrapped with a thermally conductive silicone layer, the thermally conductive silicone layer is in the shape of petals, the outer side of the thermally conductive silicone layer is wrapped with a protective layer matching it, the thermally conductive silicone layer is filled with a plurality of circumferentially distributed metal mesh strips, the inner wall of the metal mesh strips is integrally connected with a plurality of equidistantly distributed metal heat dissipation wires, and the metal heat dissipation wires are tightly fitted to the outer wall of the aluminum alloy outer stranded wire.

[0006] As a preferred technical solution of the present invention, a plurality of heat dissipation openings are provided on the protruding end of the outer surface of the protective layer, and each of the metal mesh strips is aligned one by one with each group of the heat dissipation openings.

[0007] As a preferred technical solution of the present invention, a plurality of heat dissipation holes are provided on the concave end of the outer surface of the protective layer, and the heat dissipation holes penetrate through the thermal conductive silicone layer.

[0008] As a preferred technical solution of the present invention, the thermally conductive silicone layer is filled with a plurality of galvanized steel wires, and the galvanized steel wires are located between two adjacent metal heat dissipation wires.

[0009] As a preferred technical solution of the present invention, the metal heat dissipation wire and the metal mesh strip are both made of aluminum alloy.

[0010] As a preferred technical solution of the present invention, the protective layer includes a heat-resistant layer, the outer side of the heat-resistant layer is wrapped with an insulating layer, and the outer side of the insulating layer is coated with a graphite coating.

[0011] Compared with the prior art, the present invention provides a lightweight and highly conductive aluminum alloy stranded wire, which has the following beneficial effects:

[0012] 1. This lightweight, high-conductivity aluminum alloy stranded wire has a petal-shaped thermally conductive silicone layer wrapped around the outside of the aluminum alloy outer stranded wire. The thickness is relatively thick, and combined with the protective layer, the protection performance is greatly improved. At the same time, the design of the structure also forms a plurality of recessed structures. In some areas, the aluminum alloy outer stranded wire is close to the recessed parts. The aluminum alloy outer stranded wire in this area has a good heat dissipation effect. Metal mesh bars, metal heat dissipation wires and galvanized steel wires are also arranged in the thermally conductive silicone layer, which can further improve the strength and heat dissipation performance of the entire aluminum alloy stranded wire. At the same time, heat dissipation through holes that pass through the thermally conductive silicone layer are also arranged in the recessed parts, and heat dissipation fine openings connected to the metal heat dissipation wires are arranged in the protruding parts, and the heat dissipation performance is further improved.

[0013] 2. This lightweight and highly conductive aluminum alloy stranded wire has a petal-shaped thermal conductive silicone layer, and multiple long grooves are formed on the surface of the entire aluminum alloy stranded wire. It has good strength while greatly reducing weight. At the same time, it uses a lightweight aluminum alloy outer stranded wire, which greatly reduces the overall weight. In addition, a copper inner stranded wire is also provided, which effectively improves the conductivity of the aluminum alloy stranded wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 For this utility model Figure 1 A magnified view of middle A;

[0016] Figure 3 This is a schematic diagram of the connection structure between the metal heat dissipation wire and the metal mesh strip of the utility model;

[0017] Figure 4 This is a schematic structural diagram of the protective layer of the utility model.

[0018] In the picture:

[0019] 10. Insulation layer; 20. Copper inner stranded wire; 30. Aluminum alloy outer stranded wire; 40. Thermal conductive silicone layer; 50. Protective layer; 51. Heat-resistant layer; 52. Insulation layer; 53. Graphite coating; 60. Metal mesh; 70. Metal heat sink wire; 80. Heat dissipation opening; 90. Heat dissipation through hole; 100. Galvanized steel wire. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 4 The utility model discloses a lightweight and highly conductive aluminum alloy stranded wire, comprising an insulating layer 10, which is made of polyvinyl chloride and can separate the copper inner stranded wire 20 from the aluminum alloy outer stranded wire 30. The insulating layer 10 is filled with the copper inner stranded wire 20, and the outer side of the insulating layer 10 is wrapped with two layers of aluminum alloy outer stranded wire 30. The outer side of the aluminum alloy outer stranded wire 30 is wrapped with a thermally conductive silicone layer 40, and the thermal conductivity and protection performance are improved. The thermally conductive silicone layer 40 is in the shape of petals, and the outer side of the thermally conductive silicone layer 40 is wrapped with a protective layer 50 matching it. The thermally conductive silicone layer 40 is filled with a plurality of circumferentially distributed metal mesh strips 60, and the inner wall of the metal mesh strips 60 is integrally connected with a plurality of equidistantly distributed metal heat dissipation wires 70. The metal heat dissipation wires 70 are tightly fitted to the outer wall of the aluminum alloy outer stranded wire 30, and the heat dissipation effect is good.

[0022] Specifically, a plurality of heat dissipation openings 80 are provided at the protruding end of the outer surface of the protective layer 50 , and each metal mesh bar 60 is aligned one by one with each group of heat dissipation openings 80 . A plurality of heat dissipation holes 90 are provided at the recessed end of the outer surface of the protective layer 50 , and the heat dissipation holes 90 pass through the thermal conductive silicone layer 40 .

[0023] In this embodiment, the heat dissipation performance of the aluminum alloy stranded wire can be further improved, and the aluminum alloy stranded wire is well hidden and will not be bumped.

[0024] Specifically, the thermally conductive silicone layer 40 is filled with a plurality of galvanized steel wires 100 . The galvanized steel wires 100 are located between two adjacent metal heat dissipation wires 70 . The metal heat dissipation wires 70 and the metal mesh bars 60 are both made of aluminum alloy.

[0025] In this embodiment, the heat dissipation and heat conduction effect is good, and the weight is lighter than that of steel wire. The galvanized steel wire 100 has high strength and can improve the tensile strength of the entire aluminum alloy stranded wire.

[0026] Specifically, the protective layer 50 includes a heat-resistant layer 51 , an outer side of the heat-resistant layer 51 is wrapped with an insulating layer 52 , and an outer side of the insulating layer 52 is coated with a graphite coating 53 .

[0027] In this embodiment, the heat-resistant layer 51 is made of silane cross-linked polyethylene, which has good high-temperature resistance. The insulating layer 52 is made of polyvinyl chloride, which has good insulation performance. The graphite coating 53 is made of graphite with a smooth surface and good wear resistance.

[0028] The working principle and usage process of the present invention are as follows: a thermally conductive silicone layer 40 with a petal shape is provided to improve the compressive performance of the entire aluminum alloy stranded wire, and a plurality of recessed structures can be formed, so that the aluminum alloy outer stranded wire 30 in some areas is close to the recessed part, and the aluminum alloy outer stranded wire 30 in this area has a good heat dissipation effect. At the same time, metal mesh strips 60 and metal heat dissipation wires 70 are also provided in the thermally conductive silicone layer 40, which cooperate with the heat dissipation openings 80 and the heat dissipation through-holes 90 to facilitate the discharge of heat from the remaining parts of the aluminum alloy outer stranded wire 30, and the overall heat dissipation performance is greatly improved, and there will be no increase in resistance, large energy damage, and shortened life due to heat. At the same time, the thermally conductive silicone layer 40 with a petal shape forms a plurality of long grooves on the surface of the entire aluminum alloy stranded wire, which has good strength while greatly reducing weight. At the same time, a lightweight aluminum alloy outer stranded wire 30 is used, and the overall weight is greatly reduced. The copper inner stranded wire 20 is provided, which also effectively improves the conductivity of the aluminum alloy stranded wire.

[0029] It should be noted that, in this document, terms such as "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or apparatus comprising the element.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lightweight, high-conductivity aluminum alloy stranded wire, characterized by: The invention comprises an insulating layer (10), wherein the insulating layer (10) is filled with a copper inner stranded wire (20), the outer side of the insulating layer (10) is wrapped with two layers of aluminum alloy outer stranded wire (30), the outer side of the aluminum alloy outer stranded wire (30) is wrapped with a heat-conducting silicone layer (40), the outer side of the heat-conducting silicone layer (40) is wrapped with a protective layer (50) matching the heat-conducting silicone layer (40), the inner side of the heat-conducting silicone layer (40) is filled with a plurality of circumferentially distributed metal mesh strips (60), the inner wall of the metal mesh strip (60) is integrally connected with a plurality of equidistantly distributed metal heat dissipation wires (70), and the metal heat dissipation wires (70) are tightly fitted with the outer wall of the aluminum alloy outer stranded wire (30).

2. The lightweight and highly conductive aluminum alloy stranded wire according to claim 1, wherein: The outer surface protruding end of the protective layer (50) is provided with a plurality of heat dissipation openings (80), and each of the metal mesh strips (60) is aligned one by one with each group of the heat dissipation openings (80).

3. The lightweight and highly conductive aluminum alloy stranded wire according to claim 1, wherein: A plurality of heat dissipation holes (90) are provided at the concave end of the outer surface of the protective layer (50), and the heat dissipation holes (90) penetrate the thermal conductive silicone layer (40).

4. The lightweight and highly conductive aluminum alloy stranded wire according to claim 1, wherein: The heat-conducting silica gel layer (40) is filled with a plurality of galvanized steel wires (100), and the galvanized steel wires (100) are located between two adjacent metal heat dissipation wires (70).

5. The lightweight and highly conductive aluminum alloy stranded wire according to claim 1, wherein: The metal heat dissipation wire (70) and the metal mesh bar (60) are both made of aluminum alloy.

6. The lightweight and highly conductive aluminum alloy stranded wire according to claim 1, wherein: The protective layer (50) comprises a heat-resistant layer (51), the outer side of the heat-resistant layer (51) is wrapped with an insulating layer (52), and the outer side of the insulating layer (52) is coated with a graphite coating (53).

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