High-conductivity heat-resistant aluminum alloy core aluminum stranded wire

Abstract

The utility model discloses a high-conductivity heat-resistant aluminum alloy core aluminum stranded wire which comprises a first aluminum alloy core body, a first protection assembly is arranged on the periphery of the first aluminum alloy core body, a second protection assembly is arranged on the periphery of the first protection assembly, and the first protection assembly and the second protection assembly are combined with a plurality of insulation and heat resistance layers. The resistance of the electric wire to external environment factors such as temperature change and mechanical damage is effectively enhanced, the service life is prolonged, the physical characteristics of materials are fully utilized by arranging a plurality of aluminum alloy core bodies and copper conduction cores and reasonably arranging conduction stranded wires, the heat dissipation effect is optimized while good conductivity is guaranteed, and the service life of the electric wire is prolonged. In addition, due to the unique structural design, the tensile strength of the stranded wire is enhanced, and the stranded wire is more suitable for being applied to severe conditions such as overhead high-voltage power transmission lines and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium alloy core aluminium stranded conductor technical field, concretely related to a kind of high conductivity heat-resistant aluminium alloy core aluminium stranded conductor. BACKGROUND

[0002] Cable is widely used in transmission line, especially overhead high-voltage transmission line, for overhead high-voltage transmission line, not only requires that it has good conductivity, but also requires that it has very high tensile strength, the cable commonly used now is steel core aluminium stranded conductor, but the tensile strength of pure steel core aluminium stranded conductor is not enough, and it is easy to be pulled apart by natural disasters.

[0003] The existing aluminium alloy core aluminium stranded conductor faces many challenges in practical application, especially in protection and conduction performance, at present, such wire usually only configures a protective layer and a conductive layer, this design, although it simplifies production process and reduces cost, but also greatly limits its performance, first, in the protection aspect, single protective structure is difficult to effectively resist the influence of external environment, such as ultraviolet, humidity, temperature change and mechanical damage etc., these factors can all cause the accelerated aging of wire, shorten service life, secondly, from the conduction performance, single conductive layer design cannot fully utilize the physical properties of material, especially in high current or high frequency application scenarios, easy to appear overheat phenomenon, affect power transmission efficiency, and increase safety risk.

[0004] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENT

[0005] For the problems in the related art, the utility model provides a kind of high conductivity heat-resistant aluminium alloy core aluminium stranded conductor to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the specific technical scheme as follows:

[0007] A kind of high conductivity heat-resistant aluminium alloy core aluminium stranded conductor, including first aluminium alloy core body, the periphery of the first aluminium alloy core body is provided with first protection component, the periphery of the first protection component is provided with second protection component.

[0008] Further, to better guarantee the conductivity of stranded conductor, the first protection component includes first conductive stranded wire, the first conductive stranded wire is arranged at the periphery of the first aluminium alloy core body, and the periphery of the first conductive stranded wire is provided with first insulating layer.

[0009] Further, in order to better guarantee the conductivity of the stranded wire, the periphery of the first insulating layer is provided with a second aluminum alloy core body, the periphery of the second aluminum alloy core body is provided with a second conductive stranded wire, and the periphery of the second conductive stranded wire is provided with an insulating layer.

[0010] Further, in order to better guarantee the conductivity of the stranded wire, the periphery of the first insulating layer is provided with a second aluminum alloy core body, the periphery of the second aluminum alloy core body is provided with a second conductive stranded wire, and the periphery of the second conductive stranded wire is provided with an insulating layer.

[0011] Further, in order to better guarantee the conductivity of the stranded wire, the periphery of the first insulating layer is provided with a second aluminum alloy core body, the periphery of the second aluminum alloy core body is provided with a second conductive stranded wire, and the periphery of the second conductive stranded wire is provided with an insulating layer.

[0012] Further, in order to better guarantee the conductivity of the stranded wire, the periphery of the first insulating layer is provided with a second aluminum alloy core body, the periphery of the second aluminum alloy core body is provided with a second conductive stranded wire, and the periphery of the second conductive stranded wire is provided with an insulating layer.

[0013] Further, in order to better guarantee the conductivity of the stranded wire, the periphery of the first insulating layer is provided with a second aluminum alloy core body, the periphery of the second aluminum alloy core body is provided with a second conductive stranded wire, and the periphery of the second conductive stranded wire is provided with an insulating layer.

[0014] The utility model discloses the beneficial effect is: through multilayer protection and the transmission design, the overall performance of stranded wire has been improved significantly, first adopt first protection component, second protection component and the combination mode of multilayer insulation and heat -proof layer, effectively enhanced the resistance ability of wire to temperature change and mechanical damage etc. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0016] Figure 1 is a structural schematic diagram of a high-conductivity heat-resistant aluminum alloy core aluminum strand according to an embodiment of the present application;

[0017] Figure 2 is a first protective component structure sectional view of a high-conductivity heat-resistant aluminum alloy core aluminum strand according to an embodiment of the present application Figure 1 ;

[0018] Figure 3 is a first protective component structure sectional view of a high-conductivity heat-resistant aluminum alloy core aluminum strand according to an embodiment of the present application Figure 2 ;

[0019] Figure 4 is Figure 3 an enlarged view of A in FIG.

[0020] Figure 5 is a second protective component structure diagram of a high-conductivity heat-resistant aluminum alloy core aluminum strand according to an embodiment of the present application;

[0021] Figure 6 is a second protective component structure sectional view of a high-conductivity heat-resistant aluminum alloy core aluminum strand according to an embodiment of the present application;

[0022] Figure 7 is Figure 6 an enlarged view of B in FIG.

[0023] Figure 8 is a second protective component structure exploded view of a high-conductivity heat-resistant aluminum alloy core aluminum strand according to an embodiment of the present application;

[0024] Figure 9 is a second protective component structure side sectional view of a high-conductivity heat-resistant aluminum alloy core aluminum strand according to an embodiment of the present application;

[0025] Figure 10 is Figure 9 an enlarged view of C in FIG.

[0026] Figure 11 is Figure 9 an enlarged view of D in FIG.

[0027] In the drawings:

[0028] 1. First aluminum alloy core body; 2. First protective component; 201. First conductive stranded wire; 202. First insulation layer; 203. Second aluminum alloy core body; 204. Second conductive stranded wire; 205. Insulation layer; 206. Copper conductive core; 207. Third conductive stranded wire; 208. First supporting protective layer; 209. First protective stranded wire; 210. First heat-insulating layer; 211. Second supporting protective layer; 212. Second protective stranded wire; 213. Second heat-insulating layer; 3. Second protective component; 301. Second insulation layer; 302. Third insulation layer; 303. Third heat-insulating layer; 304. Wear-resistant layer; 305. Protective shell; 306. Heat dissipation and conduction plate; 307. Clamp; 308. Fixing bolt. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1:

[0031] like Figures 1-11 As shown, a high conductivity heat-resistant aluminum alloy core stranded wire according to an embodiment of the present utility model includes a first aluminum alloy core body 1. A first protective component 2 is provided around the first aluminum alloy core body 1 to enhance the high conductivity and high temperature resistance of the stranded wire. A second protective component 3 is provided around the first protective component 2 to provide wear resistance, high temperature resistance and heat dissipation for the shell of the stranded wire.

[0032] Example 2:

[0033] like Figures 1-11As shown, according to the high-conductivity heat-resistant aluminum alloy core aluminum strand of the utility model embodiment, the first protection assembly 2 includes a first conductive strand 201, the first conductive strand 201 is arranged at the periphery of the first aluminum alloy core body 1, the periphery of the first conductive strand 201 is provided with a first insulating layer 202, which is used to ensure electrical isolation, the periphery of the first insulating layer 202 is provided with a second aluminum alloy core body 203, the periphery of the second aluminum alloy core body 203 is provided with a second conductive strand 204, the periphery of the second conductive strand 204 is provided with an insulating layer 205, the insulating layer 205 is arranged as an insulating material, and the specific insulating material is selected according to actual use, a plurality of copper conductive cores 206 are arranged in the insulating layer 205, the periphery of the copper conductive core 206 is provided with a third conductive strand 207, the periphery of the insulating layer 205 is provided with a first support protective layer 208, the middle part of the first support protective layer 208 is provided with a first protective strand 209, the periphery of the first support protective layer 208 is provided with a first heat-resistant layer 210, the periphery of the first support protective layer 208 and the first heat-resistant layer 210 is provided with a second support protective layer 211, the middle part of the second support protective layer 211 is provided with a second protective strand 212, and the periphery of the second support protective layer 211 is provided with a second heat-resistant layer 213.

[0034] The first conductive strand 201 and the second conductive strand 204 are both arranged as copper metal materials with good conductivity.

[0035] The first support protective layer 208 and the second support protective layer 211 are arranged as rubber materials.

[0036] In actual application, through cooperation of the first aluminum alloy core body 1, the second aluminum alloy core body 203 and the first conductive strand 201 and the second conductive strand 204 arranged at the periphery, the overall conductivity of the strand can be enhanced, the electrical conduction effect is further ensured through cooperation of the copper conductive core 206 and the third conductive strand 207, and through cooperation with the insulating layer 205, the current distribution is improved, the resistance is reduced, the first support protective layer 208, the first protective strand 209 in the first support protective layer 208, the first heat-resistant layer 210 outside the first support protective layer 208, the second support protective layer 211, the second protective strand 212 and the second heat-resistant layer 213 outside the second support protective layer 211 jointly act, not only the mechanical strength is strengthened, but also good heat insulation effect is provided, and the mechanical stability and the thermal stability of the strand are further enhanced.

[0037] Embodiment three

[0038] As Figures 1-11As shown, according to the high-conductivity heat-resistant aluminum alloy core aluminum strand of the embodiment of the utility model, the second protection assembly 3 includes a second insulation layer 301 for ensuring electrical isolation, the second insulation layer 301 is arranged at the periphery of the second heat resistance layer 213 and the second support protection layer 211, a third insulation layer 302 is arranged between the second insulation layer 301 for ensuring electrical isolation, and the third insulation layer 302 is matched with the second insulation layer 301, a third heat resistance layer 303 is arranged at the periphery of the second insulation layer 301, a wear-resistant layer 304 is arranged at the periphery of the third heat resistance layer 303 for increasing the heat resistance of the strand, and a wave-shaped protrusion is arranged on the surface of the wear-resistant layer 304, and a protective shell 305 is arranged at the periphery of the wear-resistant layer 304;

[0039] The protective shell 305 is arranged in two sections, the protective shell 305 is composed of cross-linked polyethylene material, a clamping protrusion is arranged at the connection of the two sections of the protective shell 305, and the clamping protrusions of the two sections are matched as Figure 10 shown;

[0040] A heat dissipation conducting plate 306 is symmetrically embedded on the protective shell 305, the heat dissipation conducting plate 306 is made of aluminum metal with good heat dissipation, and the heat dissipation conducting plate 306 and the protective shell 305 are matched with the wear-resistant layer 304, two hoops 307 are arranged at the periphery of the protective shell 305, the hoops 307 are arranged in two sections for better fixing and connecting and protecting the strand, an adjusting groove is formed in the hoop 307, and a fixing bolt 308 is connected in the adjusting groove.

[0041] Wavy protrusions matched with the wear-resistant layer 304 are arranged on the inner walls of the protective shell 305 and the heat dissipation conducting plate 306.

[0042] In actual application, the double-layer insulation system composed of the second insulation layer 301 and the third insulation layer 302 effectively improves the insulation performance of the strand, and through the arrangement of the third heat resistance layer 303 and the wear-resistant layer 304, the heat resistance of the strand is increased, and the strand is protected from external wear and corrosion, and through the arrangement of the symmetrical heat dissipation conducting plate 306 on the protective shell 305, heat can be effectively conducted from the inside of the cable to the outside environment, so as to reduce the temperature and improve the safety.

[0043] The hoop 307 arranged outside the protective shell 305 is used in cooperation with the fixing bolt 308 through the adjusting groove, which provides additional support force for the entire cable and allows the fastening degree to be adjusted as needed.

[0044] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail below.

[0045] In summary, by means of the above technical scheme of the utility model, through the cooperation of the first aluminum alloy core body 1, the second aluminum alloy core body 203 and the peripherally arranged first conductive strand 201 and second conductive strand 204, the overall conductivity of the strand can be enhanced, the electrical conduction effect is further ensured through the cooperation of the copper conductive core 206 and the third conductive strand 207, and through the cooperation with the insulation layer 205, the current distribution is improved, the resistance is reduced, the first support protection layer 208, the first protection strand 209 in the first support protection layer 208, the first heat resistance layer 210 outside the first support protection layer 208, the second support protection layer 211, the second protection strand 212 and the second heat resistance layer 213 jointly act, not only the mechanical strength is strengthened, but also good heat insulation effect is provided, and the mechanical stability and thermal stability of the strand are further enhanced, the double-layer insulation system formed by the second insulation layer 301 and the third insulation layer 302 effectively improves the insulation performance of the strand, and through the arrangement of the third heat resistance layer 303 and the wear-resistant layer 304, the heat resistance of the strand is increased, and the strand is protected from external wear and corrosion, and through the arrangement of the symmetrical heat dissipation conducting plate 306 on the protective shell 305, heat can be effectively conducted from the inside of the cable to the outside environment, so that the temperature is reduced and the safety is improved.

[0046] The hoop 307 arranged outside the protective shell 305 is used in cooperation with the fixing bolt 308 through the adjusting groove, additional support force is provided for the whole cable, and the fastening degree is allowed to be adjusted as required, the first protection assembly 2 and the second protection assembly 3 are cooperated, not only the conductivity of the strand is improved, but also the tensile strength, heat resistance and environmental adaptability are greatly enhanced, so that the strand adapts to different harsh conditions, and the safe and efficient power transmission is ensured.

[0047] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-conductivity heat-resistant aluminum-alloy core aluminum strand, characterized by, The utility model provides a first aluminum alloy core body (1) is included, the first aluminum alloy core body (1) is provided with the first protection assembly (2) periphery, the first protection assembly (2) is provided with the second protection assembly (3) periphery.

2. A high conductivity heat resistant aluminium alloy core aluminium conductor strand as claimed in claim 1, wherein, The first protection assembly (2) includes a first conductive strand (201) provided on the periphery of the first aluminum alloy core body (1), and a first insulation layer (202) provided on the periphery of the first conductive strand (201).

3. A high conductivity heat resistant aluminium alloy core aluminium cable as claimed in claim 2, wherein, The first insulation layer (202) is provided with a second aluminum alloy core body (203) on the periphery, and a second conductive strand (204) is provided on the periphery of the second aluminum alloy core body (203), and a separation layer (205) is provided on the periphery of the second conductive strand (204).

4. The high-conductivity heat-resistant aluminum alloy core aluminum strand of claim 3, wherein, The separation layer (205) is provided with a plurality of copper conductive cores (206) inside, a third conductive strand (207) is provided on the periphery of the copper conductive core (206), a first support protection layer (208) is provided on the periphery of the separation layer (205), a first protection strand (209) is provided in the middle of the first support protection layer (208), and a first heat resistance layer (210) is provided on the periphery of the first support protection layer (208).

5. A high conductivity heat resistant aluminium alloy core aluminium cable as claimed in claim 4, wherein, The first support protection layer (208) and the first heat resistance layer (210) are provided with a second support protection layer (211) on the periphery, a second protection strand (212) is provided in the middle of the second support protection layer (211), and a second heat resistance layer (213) is provided on the periphery of the second support protection layer (211).

6. A high conductivity heat resistant aluminium alloy core aluminium conductor strand as claimed in claim 5, wherein, The second protection assembly (3) includes a second insulation layer (301) provided on the periphery of the second heat resistance layer (213) and the second support protection layer (211), a third insulation layer (302) is provided between the second insulation layer (301), and the third insulation layer (302) is matched with the second insulation layer (301).

7. A high conductivity heat resistant aluminium alloy core aluminium cable as claimed in claim 6, wherein, The second insulation layer (301) is provided with a third heat resistance layer (303) on the periphery, the third heat resistance layer (303) is provided with a wear-resistant layer (304) on the periphery, the wear-resistant layer (304) is provided with a protective shell (305) on the periphery, the protective shell (305) is symmetrically embedded with a heat dissipation conductive plate (306) on the surface, and the heat dissipation conductive plate (306) and the protective shell (305) are matched with the wear-resistant layer (304), a plurality of hoops (307) are provided on the periphery of the protective shell (305), an adjusting groove is formed in the hoop (307), and a fixing bolt (308) is connected inside the adjusting groove.

Images