CN222106312U

CN222106312U - A low-voltage cable for new energy vehicles

Info

Publication number: CN222106312U
Application number: CN202420848209.2U
Authority: CN
Inventors: 吴斌梁; 涂勇; 陈炳浩; 喻文逸; 黄滨阳
Original assignee: Xinya Electronics Co ltd
Current assignee: Xinya Electronics Co ltd
Priority date: 2024-04-23
Filing date: 2024-04-23
Publication date: 2024-12-03
Anticipated expiration: 2034-04-23

Abstract

The utility model discloses a new energy vehicle low-voltage cable, comprising a conductor, an insulating layer, a shielding layer, a metal twisted wire layer and a fireproof fiber, wherein a shielding layer is arranged on the outside of the conductor, an insulating layer is coated on the outside of the shielding layer, an armor layer is arranged on the outside of the insulating layer, and a gap is formed between the insulating layer and the armor layer, a metal twisted wire layer is coated on the outside of the insulating layer in the gap, and other areas in the gap are filled with fireproof fibers, and an outer sheath is coated on the outside of the armor layer. When the utility model is bent, the fireproof fiber can make a small displacement relative to the metal twisted wire layer, thereby enhancing the flexibility of the cable and facilitating the bending of the cable.

Description

New energy automobile low-voltage cable

Technical Field

The utility model relates to the technical field of cables, in particular to a low-voltage cable of a new energy automobile.

Background

A cable is a conductor coated with an insulating layer, a protective layer, a shielding layer, or the like for transmitting electric power, signal current, signal voltage, or the like. The voltage is classified into a high voltage cable and a low voltage cable, and the low voltage cable is generally referred to as a cable having a rated voltage of 1kV or less. The low-voltage cable is often used in the fields of various mechanical equipment, automobiles, low-voltage circuits and the like, the electric automobile is used for transporting electric power by using the low-voltage cable, the space on the electric automobile is small, the low-voltage cable on the electric automobile needs to have good toughness and bending capability, and also needs to have good fireproof and high-temperature resistance.

Disclosure of utility model

The utility model aims to solve the technical problem of providing the low-voltage cable for the new energy automobile.

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

The utility model provides a new energy automobile low tension cable, includes conductor, insulating layer, shielding layer, metal hank wire layer and fire prevention fibre, the conductor outside is provided with the shielding layer, the cladding of shielding layer outside has the insulating layer, the insulating layer outside is provided with the armor, just form the clearance between insulating layer and the armor, lie in the clearance outside cladding of insulating layer and have the metal hank wire layer, other regional packing have fire prevention fibre in the clearance, the cladding of armor outside has the outer sheath.

Further, the shielding layer is a copper wire braid layer.

Further, the armor layer is an aluminum tape wrapping layer.

Further, the metal twisted wire layer is formed by wrapping a plurality of copper wires, and the diameter of each copper wire is 1/20 of the diameter of the conductor.

Further, a plurality of cable twines are arranged in the fireproof fiber, the cable twines are arranged on the outer side of the metal stranded wire layer and are laid along the axis direction of the conductor, and the diameters of the cable twines are the same as those of the copper wires.

Further, the fireproof fiber is inorganic fiber, such as glass fiber, metal oxide fiber, etc.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

According to the utility model, the metal twisted wire layer and the fireproof fiber are mixed and compressed, the fiber length of the fireproof fiber is short, the fireproof fiber can displace slightly relative to the metal twisted wire layer during bending, the flexibility of the cable is enhanced, the cable is convenient to bend, the fireproof fiber has good fireproof performance, the internal structure of the cable can be protected, and the flexibility of the cable is further enhanced by arranging the cable hemp rope.

The utility model will now be described in detail with reference to the drawings and examples.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. the cable comprises a conductor, a shielding layer, an insulating layer, a metal twisted wire layer, fireproof fibers, an armor layer and a protective layer.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1, a new energy automobile low-voltage cable comprises a conductor 1, an insulating layer 3, a shielding layer 2, a metal twisted wire layer 4 and fireproof fibers 5, wherein the shielding layer 2 is arranged on the outer side of the conductor 1, the insulating layer 3 is coated on the outer side of the shielding layer 2, an armor layer 6 is arranged on the outer side of the insulating layer 3, a gap is formed between the insulating layer 3 and the armor layer 6, the metal twisted wire layer 4 is coated on the outer side of the insulating layer 3 in the gap, the fireproof fibers 5 are filled in other areas in the gap, and an outer protective layer 7 is coated on the outer side of the armor layer 6.

As an embodiment, the shielding layer 2 is a copper wire braid layer.

As an embodiment, the armor layer 6 is an aluminum tape wrapping layer.

As an embodiment, the metal twisted wire layer 4 is made of a plurality of copper wires wound, and the diameter of the copper wires is 1/20 of the diameter of the conductor 1.

As an implementation manner, a plurality of cable twines are arranged in the fireproof fiber 5, the cable twines are located on the outer side of the metal stranded wire layer 4 and are laid along the axis direction of the conductor 1, and the diameters of the cable twines are the same as those of the copper wires.

As an embodiment, the fireproof fiber 5 is an inorganic fiber, such as a glass fiber, a metal oxide fiber, or the like.

According to the working flow of the utility model, when the cable is bent, the metal twisted wire layer 4 and the fireproof fiber 5 are correspondingly bent, the fiber length of the fireproof fiber 5 is shorter, and when the cable is bent, the inside of the fireproof fiber 5 can relatively move, so that the cable is convenient to bend.

The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.

Claims

1. A new energy vehicle low-voltage cable, characterized in that it comprises a conductor (1), an insulating layer (3), a shielding layer (2), a metal twisted wire layer (4) and a fireproof fiber (5), wherein the conductor (1) is provided with a shielding layer (2) on the outside, the shielding layer (2) is coated with an insulating layer (3) on the outside, an armor layer (6) is provided on the outside of the insulating layer (3), and a gap is formed between the insulating layer (3) and the armor layer (6), the metal twisted wire layer (4) is coated on the outside of the insulating layer (3) in the gap, the other areas in the gap are filled with fireproof fibers (5), and the armor layer (6) is coated with an outer protective layer (7) on the outside.

2. A new energy vehicle low-voltage cable according to claim 1, characterized in that the shielding layer (2) is a copper wire braided tape layer.

3. A new energy vehicle low-voltage cable according to claim 1, characterized in that the armor layer (6) is an aluminum tape wrapping layer.

4. A new energy vehicle low-voltage cable according to claim 1, characterized in that the metal stranded wire layer (4) is made by winding a plurality of copper wires, and the diameter of the copper wire is 1/20 of the diameter of the conductor (1).

5. A new energy vehicle low-voltage cable according to claim 4, characterized in that a plurality of cable hemp ropes are arranged in the fire-proof fiber (5), the cable hemp ropes are located outside the metal twisted wire layer (4) and are laid along the axial direction of the conductor (1), and the cable hemp ropes have the same diameter as the copper wire.

6. A new energy vehicle low-voltage cable according to claim 1, characterized in that the fire-resistant fiber (5) is glass fiber or metal oxide fiber.