CN219370654U - High-strength aluminum alloy core power cable - Google Patents

Abstract

The application provides a high strength aluminum alloy core power cable belongs to power cable technical field. The high strength aluminum alloy core power cable includes a base assembly and a protective assembly. The base component comprises a reinforcing part and a conductive part, the reinforcing part is arranged on the conductive part, the protective component comprises a shielding layer, a tensile fiber layer, an anti-corrosion layer and an anti-oxidation layer, the shielding layer is arranged on the reinforcing part, when the aluminum alloy cable is used, the tensile fiber layer has the anti-pulling characteristic, the heat insulation layer is used for effectively preventing external heat from affecting an aluminum alloy conductor, the shielding layer can shield the generated electromagnetic field in the cable, the heat insulation layer, the metal mesh layer and the fire-resistant layer are firmly fixed together, the metal mesh layer is used for increasing the overall strength of the cable, the aluminum alloy core power cable is high in wear resistance and tensile pulling resistance, external force impact and pollutant erosion are easy to resist, and the service life is prolonged.

Description

High-strength aluminum alloy core power cable

Technical Field

The application relates to the technical field of power cables, in particular to a high-strength aluminum alloy core power cable.

Background

Typically rope-like cables formed by twisting several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a centre, the whole being covered with a highly insulating coating. The cable has an inner energized, outer insulated feature. The cables include power cables, control cables, compensation cables, shield cables, high temperature cables, computer cables, signal cables, coaxial cables, fire resistant cables, marine cables, mining cables, aluminum alloy cables, and the like. They are composed of single or multi-strand wires and insulating layers for connecting circuits, appliances, etc.

The aluminum alloy cable has low corrosion resistance and low tensile resistance, and the cable is easy to damage caused by external impact and pollutant erosion in the use process, so that the service life of the cable is reduced.

Disclosure of Invention

In order to make up the defects, the application provides a high-strength aluminum alloy core power cable, which aims to solve the problems that the corrosion resistance and the tensile pulling resistance of the aluminum alloy cable are low, the cable is easy to be damaged due to external force impact and pollutant erosion in the use process, and the service life of the cable is reduced.

The application is realized in such a way that:

the application provides a high strength aluminum alloy core power cable, including base assembly and protection subassembly.

The base assembly includes a reinforcing portion and a conductive portion, the reinforcing portion being disposed on the conductive portion.

The protection component comprises a shielding layer, a tensile fiber layer, an anti-corrosion layer and an anti-oxidation layer, wherein the shielding layer is arranged on the reinforcing part, the tensile fiber layer is arranged outside the shielding layer, the anti-corrosion layer is arranged outside the tensile fiber layer, and the anti-oxidation layer is arranged outside the anti-corrosion layer.

In an embodiment of the application, the reinforcement comprises a heat insulation layer, a metal mesh layer, metal strips and a fire-resistant layer, wherein the heat insulation layer is sleeved on the metal mesh layer, the metal mesh layer is sleeved on the fire-resistant layer, the different metal strips are respectively fixed on the inner wall and the outer wall of the metal mesh layer, the different metal strips are respectively inserted in the heat insulation layer and the metal mesh layer, and the shielding layer is sleeved on the heat insulation layer.

In an embodiment of the present application, the heat insulation layer is provided with a first groove, the refractory layer is provided with a second groove, and different metal strips are respectively inserted into the first groove and the second groove.

In one embodiment of the present application, the conductive portion includes a filler layer, an aluminum alloy conductor, and an insulating layer, the insulating layer is sleeved on the aluminum alloy conductor, the insulating layer is interposed in the refractory layer, and the filler layer is disposed between the insulating layer and the refractory layer.

In one embodiment of the present application, the insulating layer is a fiberglass layer and the shielding layer is a tin-plated soft copper tape layer.

In one embodiment of the present application, the refractory layer is a non-halogen flame retardant layer and the tensile fiber layer is a polyethylene fiber layer.

In one embodiment of the present application, the corrosion protection layer is a polytetrafluoroethylene layer.

In one embodiment of the present application, the antioxidant layer is an antioxidant layer.

The beneficial effects of this application are: the application is through the high strength aluminum alloy core power cable who obtains of above-mentioned design, when using, the oxidation resistant layer has the characteristic of oxidation prevention, effectual protection corrosion protection layer can not by oxygen oxidation, corrosion protection layer has acid and alkali resistance, the characteristics of various organic solvents of resistance, almost insoluble in all solvents, simultaneously, polytetrafluoroethylene layer has high temperature resistant characteristics, the flame retardant coating has high temperature resistant characteristic, tensile fiber layer has the characteristic of anti-drag, the thermal insulation layer is effectual prevents that external heat from causing the influence to the aluminum alloy conductor, the electromagnetic field shielding that produces is in the cable in the setting of shielding layer, the setting of metal strip makes insulating layer, metal mesh layer and flame retardant coating more firm fixed together, the setting of metal mesh layer increases the bulk strength of cable, the stand wear and tear resistance of this aluminum alloy core power cable is strong, external force impact and pollutant erosion are more resisted easily, and life has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a high-strength aluminum alloy core power cable according to an embodiment of the present application;

FIG. 2 is an exploded view of a base assembly provided by an embodiment of the present application;

FIG. 3 is an exploded view of a protective assembly provided in an embodiment of the present application;

fig. 4 is a schematic perspective view of a filling layer according to an embodiment of the present application.

In the figure: 100-a base component; 110-reinforcements; 111-a heat insulating layer; 112-a first groove; 113-a metal mesh layer; 114-metal strips; 115-a refractory layer; 116-a second groove; 120-conductive parts; 121-a filling layer; 122-aluminum alloy conductors; 123-an insulating layer; 200-a protective component; 210-a shielding layer; 220-a tensile fiber layer; 230-an anti-corrosion layer; 240-oxidation resistant layer.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.

Examples

Referring to fig. 1-4, the present application provides a technical solution: a high strength aluminum alloy core power cable includes a base assembly 100 and a shield assembly 200.

The protection component 200 is arranged on the base component 100, the oxidation resistant layer 240 has the oxidation resistant property, the anti-corrosion layer 230 is effectively protected from being oxidized by oxygen, the anti-corrosion layer 230 has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and is almost insoluble in all solvents, meanwhile, the polytetrafluoroethylene layer has the characteristic of high temperature resistance, the fire resistant layer 115 has the characteristic of high temperature resistance, the tensile fiber layer 220 has the characteristic of pulling resistance, the heat insulation layer 111 is effectively used for preventing external heat from affecting the aluminum alloy conductor 122, the shielding layer 210 can shield the generated electromagnetic field in the cable, the metal strips 114 enable the heat insulation layer 111, the metal mesh layer 113 and the fire resistant layer 115 to be firmly fixed together, the metal mesh layer 113 is arranged to increase the overall strength of the cable, the aluminum alloy core power cable has strong abrasion resistance and pulling resistance, external force impact resistance and pollutant erosion resistance are easier, and the service life is prolonged.

Referring to fig. 1, 2 and 4, the base assembly 100 includes a reinforcing portion 110 and a conductive portion 120, the reinforcing portion 110 is disposed on the conductive portion 120, the reinforcing portion 110 includes a heat insulation layer 111, a metal mesh layer 113, a metal strip 114 and a refractory layer 115, the heat insulation layer 111 is sleeved on the metal mesh layer 113, the metal mesh layer 113 is sleeved on the refractory layer 115, different metal strips 114 are respectively fixed on the inner and outer walls of the metal mesh layer 113, different metal strips 114 are respectively inserted into the heat insulation layer 111 and the metal mesh layer 113, a shielding layer 210 is sleeved on the heat insulation layer 111, the metal strips 114 are disposed to fix the heat insulation layer 111, the metal mesh layer 113 and the refractory layer 115 more firmly, the heat insulation layer 111 is provided with a first groove 112, the refractory layer 115 is provided with a second groove 116, different metal strips 114 are respectively inserted into the first groove 112 and the second groove 116, the arrangement of the first groove 112 and the second groove 116 connects the metal mesh layer 113 with the heat insulation layer 111 and the fire-resistant layer 115 more tightly, the conductive part 120 comprises a filling layer 121, an aluminum alloy conductor 122 and an insulating layer 123, the insulating layer 123 is sleeved on the aluminum alloy conductor 122, the insulating layer 123 is inserted in the fire-resistant layer 115, the filling layer 121 is arranged between the insulating layer 123 and the fire-resistant layer 115, the filling layer 121 is arranged to enable the space between the insulating layer 123 and the fire-resistant layer 115 to be more filled, the heat insulation layer 111 is a glass fiber layer, the shielding layer 210 is a tinned soft copper tape layer, the glass fiber layer is effective in preventing external heat from affecting the aluminum alloy conductor 122, the setting of the tinned soft copper tape layer can shield the generated electromagnetic field in the cable, the fire-resistant layer 115 is a non-halogen flame-resistant layer, the tensile fiber layer 220 is a polyethylene fiber layer, and the non-halogen flame-resistant layer has the characteristic of high temperature resistance, and the polyethylene fiber layer has the characteristic of pulling resistance.

Referring to fig. 1 and 3, the protection component 200 includes a shielding layer 210, a tensile fiber layer 220, an anti-corrosion layer 230 and an oxidation-resistant layer 240, the shielding layer 210 is disposed on the reinforcing portion 110, the tensile fiber layer 220 is disposed outside the shielding layer 210, the anti-corrosion layer 230 is disposed outside the tensile fiber layer 220, the oxidation-resistant layer 240 is disposed outside the anti-corrosion layer 230, the anti-corrosion layer 230 is a polytetrafluoroethylene layer, the polytetrafluoroethylene layer has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and is almost insoluble in all solvents, meanwhile, the polytetrafluoroethylene layer has the characteristic of high temperature resistance, the oxidation-resistant layer 240 is an antioxidant layer, the antioxidant layer has the characteristic of oxidation resistance, and the anti-corrosion layer 230 is effectively protected from oxidation by oxygen.

Specifically, the working principle of the high-strength aluminum alloy core power cable is as follows: when the aluminum alloy cable is used, the oxidation-resistant layer 240 has the oxidation-resistant characteristic, the anti-corrosion layer 230 is effectively protected from being oxidized by oxygen, the anti-corrosion layer 230 has the characteristics of acid resistance, alkali resistance and resistance to various organic solvents, the anti-corrosion layer 230 is almost insoluble in all solvents, meanwhile, the polytetrafluoroethylene layer has the characteristic of high temperature resistance, the fireproof layer 115 has the characteristic of high temperature resistance, the tensile fiber layer 220 has the characteristic of anti-pulling, the heat insulation layer 111 effectively prevents external heat from affecting the aluminum alloy conductor 122, the shielding layer 210 can shield the generated electromagnetic field in the cable, the heat insulation layer 111, the metal mesh layer 113 and the fireproof layer 115 are firmly fixed together through the arrangement of the metal strips 114, the overall strength of the cable is increased through the arrangement of the metal mesh layer 113, the abrasion resistance and the tensile capability of the aluminum alloy cable are strong, the external force and pollutant erosion resistance are easier, and the service life is prolonged.

The above is only an example of the present application, and is not intended to limit the scope of the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Claims (8)

1. A high strength aluminum alloy core power cable comprising

-a base assembly (100), the base assembly (100) comprising a reinforcement portion (110) and a conductive portion (120), the reinforcement portion (110) being arranged on the conductive portion (120);

the protection component (200), protection component (200) include shielding layer (210), tensile fiber layer (220), anti-corrosion layer (230) and oxidation resistant layer (240), shielding layer (210) set up on reinforcing part (110), tensile fiber layer (220) set up outside shielding layer (210), anti-corrosion layer (230) set up outside tensile fiber layer (220), oxidation resistant layer (240) set up outside anti-corrosion layer (230).

2. The high-strength aluminum alloy core power cable according to claim 1, wherein the reinforcing part (110) comprises a heat insulation layer (111), a metal mesh layer (113), metal strips (114) and a fire-resistant layer (115), the heat insulation layer (111) is sleeved on the metal mesh layer (113), the metal mesh layer (113) is sleeved on the fire-resistant layer (115), different metal strips (114) are respectively fixed on the inner wall and the outer wall of the metal mesh layer (113), different metal strips (114) are respectively inserted in the heat insulation layer (111) and the metal mesh layer (113), and the shielding layer (210) is sleeved on the heat insulation layer (111).

3. The high-strength aluminum alloy core power cable according to claim 2, wherein the heat insulation layer (111) is provided with a first groove (112), the fire-resistant layer (115) is provided with a second groove (116), and different metal strips (114) are respectively inserted into the first groove (112) and the second groove (116).

4. The high-strength aluminum alloy core power cable of claim 2, wherein the conductive portion (120) comprises a filler layer (121), an aluminum alloy conductor (122) and an insulating layer (123), the insulating layer (123) is sleeved on the aluminum alloy conductor (122), the insulating layer (123) is inserted into the refractory layer (115), and the filler layer (121) is arranged between the insulating layer (123) and the refractory layer (115).

5. A high strength aluminium alloy core power cable according to claim 2, characterized in that the insulating layer (111) is a glass fibre layer and the shielding layer (210) is a tin-plated soft copper tape layer.

6. The high strength aluminum alloy core power cable of claim 2, wherein the flame retardant layer (115) is a non-halogen flame retardant layer and the tensile fiber layer (220) is a polyethylene fiber layer.

7. The high strength aluminum alloy core power cable of claim 1, wherein the corrosion protection layer (230) is a polytetrafluoroethylene layer.

8. The high strength aluminum alloy core power cable of claim 1, wherein the oxidation resistant layer (240) is an antioxidant layer.