CN212847719U

CN212847719U - Electrical grade aluminum alloy rare earth insulated cable

Info

Publication number: CN212847719U
Application number: CN202021858477.0U
Authority: CN
Inventors: 林朝前
Original assignee: Sichuan Wan Yang Cable Co ltd
Current assignee: Sichuan Wan Yang Cable Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-03-30
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses an electrician's level aluminum alloy tombarthite insulated cable, including the conductor, the conductor is four groups at least, the conductor overcoat is equipped with first insulation layer, first insulation layer overcoat is equipped with first fire-retardant layer, first fire-retardant layer overcoat is equipped with the waterproof layer, be equipped with the armor between waterproof layer and the first fire-retardant layer, be equipped with the filling layer between armor and the first fire-retardant layer, be equipped with the fire-retardant layer of second between armor and the waterproof layer, be equipped with the band layer between filling layer and the fire-retardant layer of second, be equipped with the second insulating layer between band layer and the armor, with the current copper cable weight of solution of hopeing heavier, bending property is poor, the problem that life is low.

Description

Electrical grade aluminum alloy rare earth insulated cable

Technical Field

The utility model relates to an insulated cable, more specifically the utility model discloses mainly relate to an electrician's level aluminum alloy tombarthite insulated cable.

Background

The power cable is a cable product used for transmitting and distributing high-power electric energy in a main line of a power system, is commonly used for urban power grids, power station leading-out lines, power supply inside industrial and mining enterprises and underwater power transmission lines, and the proportion of the cable in the power line is gradually increased and determines the power transmission performance of the power transmission line. The basic structure of the power cable mainly comprises a conductor core, an insulating layer, a shielding layer and a protective layer, wherein the conductor core is a conductive part of the power cable, is used for transmitting electric energy and is a main part of the power cable.

At present, the conductor material of the cable is mainly copper material, the purchasing cost of the copper cable is high, and great economic pressure is brought to enterprises; meanwhile, the copper cable has a short service life and cannot be used for a long time.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to solve the above-mentioned not enough, provide an electrician's level aluminum alloy tombarthite insulated cable to it is heavier to expect to solve current copper cable weight, and bending property is poor, problem that life is low.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides an electrician's level aluminum alloy tombarthite insulated cable, which comprises a conductor, the conductor is four groups at least, the conductor overcoat is equipped with the first insulation layer, first insulation layer overcoat is equipped with first fire-retardant layer, first fire-retardant layer overcoat is equipped with the waterproof layer, the waterproof layer with be equipped with the armor between the first fire-retardant layer, the armor with be equipped with the filling layer between the first fire-retardant layer, the armor with be equipped with the fire-retardant layer of second between the waterproof layer, the filling layer with be equipped with the band layer between the fire-retardant layer of second, the band layer with be equipped with the second insulating layer between the armor.

Preferably, the further technical scheme is as follows: the conductor is made of rare earth aluminum alloy.

The further technical scheme is as follows: the first insulating layer is made of mica.

The further technical scheme is as follows: the belting layer is made of polyvinyl chloride.

The further technical scheme is as follows: and a magnesium hydroxide layer is arranged on the inner wall of the first flame-retardant layer.

The further technical scheme is as follows: the second flame-retardant layer is made of a halogen-free low-smoke flame-retardant material.

The further technical scheme is as follows: the armor layer is made of aluminum foil.

Compared with the prior art, one of the beneficial effects of the utility model is that: through making the conductor by the tombarthite aluminum alloy material, its coefficient of heat conductivity and thermal stability have been improved widely, the high temperature resistance of conductor has been improved greatly, the pliability of ageing resistance and conductor, through suit first insulating layer outside the conductor, be used for carrying out insulation protection to the conductor through first insulating layer, simultaneously at the first insulating layer outer wall suit first fire-retardant layer, be used for improving the fire behavior of conductor through first fire-retardant layer, through suit the waterproof layer at first fire-retardant layer outer wall, be used for preventing through the waterproof layer that the cable from intaking, through set up the armor between waterproof layer and first fire-retardant layer, be used for by the fire behavior of armor improvement cable, be provided with the filling layer simultaneously between armor and first fire-retardant layer, be used for fixing the conductor through the filling layer, improve the stability of conductor, improve the life of cable.

Drawings

Fig. 1 is a schematic diagram illustrating an electrical grade aluminum alloy rare earth insulated cable according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view illustrating an enlarged interior of the filling layer according to another embodiment of the present invention.

In the figure, 1 is a conductor, 2 is a first insulating layer, 3 is a first flame retardant layer, 4 is a waterproof layer, 5 is an armor layer, 6 is a filling layer, 7 is a second flame retardant layer, 8 is a wrapping tape layer, and 9 is a second insulating layer.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, an embodiment of the present invention is an electrical grade aluminum alloy rare earth insulated cable, including conductors 1, where the conductors 1 are at least four groups, the conductors 1 can be any number of groups greater than four groups, which can be specifically defined according to actual conditions, and a first insulating layer 2 is provided around the conductors 1, the first insulating layer 2 is attached to the outer wall of the conductors 1 for insulating the conductors 1 by the first insulating layer 2, a first flame retardant layer 3 is provided around the first insulating layer 2 for protecting the conductors 1 by the first flame retardant layer 3, so as to improve the stability of the conductors 1 during use, a waterproof layer 4 is provided around the first flame retardant layer 3 for improving the waterproof performance of the cable by the waterproof layer 4, so as to prevent water from entering into the conductors 1, so as to improve the safety of the cable during use, the high-temperature resistance and fire resistance of the conductor 1 are improved by arranging the armor layer 5 between the waterproof layer 4 and the first flame-retardant layer 3, the conductor 1 arranged in the cable is protected by the armor layer 5, the high-temperature resistance and fire resistance of the conductor 1 are improved by arranging the filling layer 6 between the armor layer 5 and the first flame-retardant layer 3, the conductor 1 is fixed by the filling layer 6, meanwhile, the adjacent conductors 1 are arranged at intervals by the filling layer 6, the safety in the using process of the cable is improved, meanwhile, the second flame-retardant layer 7 is arranged between the armor layer 5 and the waterproof layer 4, the fire resistance and high-temperature resistance of the conductor 1 are improved by the second flame-retardant layer 7, the wrapping tape layer 8 is arranged between the filling layer 6 and the second flame-retardant layer 7, the filling layer 6 is fixed by the wrapping tape layer 8, the stability of the conductor 1 in the filling layer 6 is improved, and the second insulating layer 9 is arranged between the wrapping tape layer 8 and the armor layer 5, the second insulating layer 9 is used for improving the insulating quality of the cable and the stability of the cable in the using process.

Referring to fig. 2, in another embodiment of the present invention, the aforesaid armor layer 5 is made of aluminum foil for making the armor layer 5 of aluminum foil, so as to improve the ductility of the cable, improve the high temperature resistance of the cable, protect the conductor 1, and improve the fire resistance of the cable through the armor layer 5.

Referring to fig. 1, fig. 2 shows, in another embodiment of the present invention, the aforementioned conductor 1 is a rare earth aluminum alloy material, through adding rare earth element in aluminum alloy, its heat conductivity and thermal stability are greatly improved, the high temperature resistance of the conductor 1, aging resistance and flexibility of the conductor 1 are greatly improved, meanwhile, the rare earth element can improve the shape of aluminum alloy, purify the grain boundary, the grain boundary bonding strength can be improved in aluminum alloy, and the effects of solid solution strengthening and dispersion strengthening are provided, so that the mechanical property of the aluminum alloy material is enhanced, and the corrosion resistance of the aluminum alloy cable is also improved.

Referring to fig. 2, in another embodiment of the present invention, in order to improve the fire resistance of the cable, the inner wall of the first flame-retardant layer 3 is provided with a magnesium hydroxide layer for improving the flame-retardant quality of the first flame-retardant layer 3 through the magnesium hydroxide layer, and the outer wall of the first flame-retardant layer 3 is provided with an inorganic silicon high-temperature resistant coating for improving the high-temperature resistance and fire resistance of the cable through the inorganic silicon high-temperature resistant coating, thereby improving the safety performance of the cable in the using process.

Referring to fig. 1, in another embodiment of the present invention, the aforesaid belting layer 8 is made of pvc, and the airtightness and waterproofness of the cable are greatly improved by making the belting layer 8 of pvc, and the corrosion resistance of the cable is also improved.

Referring to fig. 2, in another embodiment of the present invention, the first insulating layer 2 is made of mica, and the first insulating layer 2 is made of mica, so as to improve the high temperature resistance of the cable, increase the elasticity and toughness of the cable, and improve the insulation quality of the cable.

Referring to fig. 1, in another embodiment of the present invention, the second flame retardant layer 7 is made of halogen-free low-smoke flame retardant material, and is used for improving the fire resistance of the cable through the halogen-free low-smoke flame retardant material, and greatly reducing the smoke concentration and air pollution under the condition of cable burning.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides an electrical level aluminum alloy rare earth insulated cable, includes conductor (1), its characterized in that: the cable is characterized in that the number of the conductors (1) is at least four, a first insulating layer (2) is sleeved outside the conductors (1), a first flame-retardant layer (3) is sleeved outside the first insulating layer (2), a waterproof layer (4) is sleeved outside the first flame-retardant layer (3), an armor layer (5) is arranged between the waterproof layer (4) and the first flame-retardant layer (3), a filling layer (6) is arranged between the armor layer (5) and the first flame-retardant layer (3), a second flame-retardant layer (7) is arranged between the armor layer (5) and the waterproof layer (4), a wrapping layer (8) is arranged between the armor layer (5) and the filling layer (6), and a second insulating layer (9) is arranged between the wrapping layer (8) and the armor layer (5).

2. The electrical grade aluminum alloy rare earth insulated cable of claim 1, wherein: the conductor (1) is made of rare earth aluminum alloy.

3. The electrical grade aluminum alloy rare earth insulated cable of claim 1, wherein: the first insulating layer (2) is made of mica.

4. The electrical grade aluminum alloy rare earth insulated cable of claim 1, wherein: the wrapping layer (8) is made of polyvinyl chloride.

5. The electrical grade aluminum alloy rare earth insulated cable of claim 1, wherein: and a magnesium hydroxide layer is arranged on the inner wall of the first flame-retardant layer (3).

6. The electrical grade aluminum alloy rare earth insulated cable of claim 1, wherein: the second flame-retardant layer (7) is a halogen-free low-smoke flame-retardant material.

7. The electrical grade aluminum alloy rare earth insulated cable of claim 1, wherein: the armor layer (5) is made of aluminum foil.