CN217061574U

CN217061574U - Semi-flexible light high-voltage cable

Info

Publication number: CN217061574U
Application number: CN202220436332.4U
Authority: CN
Inventors: 崔久德; 卜晓华
Original assignee: Wuxi Xinhongye Cable Technology Co ltd
Current assignee: Wuxi Xinhongye Cable Technology Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-26
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a half gentle type lightweight high tension cable, include: the aluminum conductor is formed by pressing a plurality of aluminum cores, and a sleeve pipe layer is tightly wrapped outside the insulating layer. The utility model discloses when realizing heavy current quick charge, through using the aluminium conductor of sticising, heat-resisting insulating layer and sleeve pipe layer to through bending the design, form weight reduction 50% high tension cable pencil, make the product have certain flexibility, have good anti electromagnetic interference performance simultaneously.

Description

Semi-flexible light high-voltage cable

Technical Field

The utility model relates to a half gentle type lightweight high tension cable belongs to wire and cable technical field.

Background

With the rapid development of new energy electric vehicles, the charging time is too long and the charging cable is heavy, which becomes one of the key factors limiting the development of new energy electric vehicles. In order to reduce the charging time, the rapid charging is usually realized by increasing the charging current from 200A to 500A, and the charging current is increased to 600A for individual vehicle types. The high-voltage cable with the traditional structure adopts a copper stranded conductor, and the whole weight is heavier.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a half gentle type lightweight high tension cable, this half gentle type lightweight high tension cable has alleviateed the weight of cable when realizing that heavy current quick charge greatly, and has certain flexibility, the resistant bending nature of flexible and good anti electromagnetic interference performance.

In order to solve the technical problem, the utility model discloses a technical scheme is: a semi-flexible lightweight high voltage cable comprising: the aluminum conductor is formed by pressing a plurality of aluminum cores, and a sleeve pipe layer is tightly coated on the outer side of the insulating layer.

The further improved scheme in the technical scheme is as follows:

1. in the above solution, the aluminum conductor further includes 1 first aluminum core located at the center and a plurality of second aluminum cores surrounding the outside of the first aluminum core along the circumferential direction.

2. In the above scheme, the plurality of second aluminum cores are surrounded by a plurality of third aluminum cores arranged along the circumferential direction.

3. In the above scheme, the first aluminum core, the second aluminum core and the third aluminum core are stranded and compacted to form the aluminum conductor.

4. In the scheme, the sleeve layer is an aluminum alloy pipe.

5. In the scheme, a plurality of bending inflection points are formed at intervals in the length direction of the high-voltage cable.

6. In the scheme, the bending directions of the adjacent bending inflection points are different.

7. In the above scheme, two ends of the insulating layer respectively extend outwards from the sleeve layer, and two ends of the aluminum conductor respectively extend outwards from the insulating layer.

8. In the above solution, two ends of the aluminum conductor extending outward from the insulating layer are each connected to an OT terminal.

9. In the above scheme, the aluminum conductor and the OT terminal are connected by confining pressure, pit pressure or ultrasonic welding.

Because of the application of above-mentioned technical scheme, compared with the prior art, the utility model has the following advantage:

the utility model discloses semi-flexible type lightweight high tension cable, it is when realizing heavy current quick charge, through using the tight aluminium conductor of pressing, heat-resisting insulating layer and sleeve pipe layer to through bending the design, form weight reduction 50% high tension cable pencil, make the product have certain flexibility, have good anti electromagnetic interference performance simultaneously.

Drawings

Fig. 1 is a schematic structural view of the semi-flexible lightweight high-voltage cable of the present invention;

FIG. 2 is an enlarged structural view of one end of the semi-flexible light high-voltage cable;

fig. 3 is a schematic cross-sectional view of the semi-flexible light high-voltage cable of the present invention;

fig. 4 is a schematic cross-sectional view of an aluminum conductor in the semi-flexible light-weight high-voltage cable of the present invention;

fig. 5 is the utility model discloses aluminum conductor cross-sectional schematic before sticising among the lightweight high tension cable.

In the drawings above: 1. an aluminum conductor; 2. an insulating layer; 3. a jacket layer; 4. an aluminum core; 41. a first aluminum core; 42. a second aluminum core; 43. a third aluminum core; 5. bending an inflection point; 6. and an OT terminal.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be understood in a concrete sense to those of ordinary skill in the art.

Example 1: a semi-flexible lightweight high voltage cable comprising: the aluminum conductor comprises an aluminum conductor 1 and an insulating layer 2 tightly coated on the outer side of the aluminum conductor 1, wherein the aluminum conductor 1 is formed by pressing a plurality of aluminum cores 4, and a sleeve pipe layer 3 is tightly coated on the outer side of the insulating layer 2.

The aluminum conductor 1 further comprises 1 first aluminum core 41 located at the center and a plurality of second aluminum cores 42 surrounding the outside of the first aluminum core 41 along the circumferential direction;

a plurality of third aluminum cores 43 arranged along the circumferential direction are surrounded on the outer sides of the second aluminum cores 42;

the first aluminum core 41, the second aluminum core 42 and the third aluminum core 43 are twisted and compacted to form the aluminum conductor 1;

the sleeve layer 3 is an aluminum alloy pipe;

a plurality of bending inflection points 5 are formed at intervals in the length direction of the high-voltage cable;

the bending directions of the adjacent bending inflection points 5 are different;

the two ends of the insulating layer 2 respectively extend outwards from the sleeve layer 3 by 40-70 mm, and the two ends of the aluminum conductor 1 respectively extend outwards from the insulating layer 2 by 10-60 mm;

both ends of the aluminum conductor 1 projecting outward from the insulating layer 2 are each connected to an OT terminal 6;

the aluminum conductor 1 and the OT terminal 6 are connected by ultrasonic welding;

the aluminum conductor 1 is a 1370 aluminum conductor;

the conductivity of the aluminum conductor 1 is more than or equal to 59 percent;

the insulating layer 2 is a heat-resistant insulating layer;

the insulating layer 2 is a silane cross-linked polyolefin insulating layer with the thickness of 1.2 mm;

the thickness of the shielding pipe 3 is 0.6 mm.

Example 2: a semi-flexible, lightweight high voltage cable comprising: the aluminum conductor comprises an aluminum conductor 1 and an insulating layer 2 tightly wrapped on the outer side of the aluminum conductor 1, wherein the aluminum conductor 1 is formed by pressing a plurality of aluminum cores 4, and a sleeve layer 3 is tightly wrapped on the outer side of the insulating layer 2.

The sleeve layer 3 is an aluminum alloy pipe;

both ends of the aluminum conductor 1 extending outward from the insulating layer 2 are each connected to an OT terminal 6;

the aluminum conductor 1 is connected with the OT terminal 6 through confining pressure, pit pressure or ultrasonic welding;

the aluminum conductor 1 is an 8176 aluminum alloy conductor;

the insulating layer 2 is a heat-resistant insulating layer;

the insulating layer 2 is a silane cross-linked polyolefin insulating layer with the thickness of 2.0 mm;

the thickness of the shielding pipe 3 is 1.0 mm.

Adopt above-mentioned semi-flexible type lightweight high tension cable, it is when realizing heavy current quick charge, through using the aluminium conductor of sticising, heat-resisting insulating layer and sleeve pipe layer to through bending the design, form the high tension cable pencil that weight reduction 50%, make the product have certain flexibility, have good anti electromagnetic interference performance simultaneously.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A semi-flexible, lightweight high voltage cable comprising: aluminium conductor (1) and closely cladding in insulating layer (2) in aluminium conductor (1) outside, its characterized in that: the aluminum conductor (1) is formed by pressing a plurality of aluminum cores (4), and a sleeve pipe layer (3) is tightly coated on the outer side of the insulating layer (2).

2. The semi-flexible lightweight high voltage cable of claim 1, wherein: the aluminum conductor (1) further comprises 1 first aluminum core (41) positioned in the center and a plurality of second aluminum cores (42) surrounding the first aluminum core (41) along the circumferential direction.

3. The semi-flexible, lightweight high voltage cable of claim 2, wherein: and a plurality of third aluminum cores (43) are arranged around the outer side of the second aluminum core (42) along the circumferential direction.

4. A semi-flexible, lightweight high voltage cable according to claim 3, wherein: the first aluminum core (41), the second aluminum core (42) and the third aluminum core (43) are stranded and compacted to form the aluminum conductor (1).

5. The semi-flexible lightweight high voltage cable of claim 1, wherein: the sleeve layer (3) is an aluminum alloy pipe.

6. The semi-flexible lightweight high voltage cable of claim 1, wherein: a plurality of bending inflection points (5) are formed at intervals in the length direction of the high-voltage cable.

7. The semi-flexible lightweight high voltage cable of claim 6, wherein: the bending directions of the adjacent bending inflection points (5) are different.

8. The semi-flexible, lightweight high voltage cable of claim 1, wherein: two ends of the insulating layer (2) respectively extend outwards from the sleeve layer (3), and two ends of the aluminum conductor (1) respectively extend outwards from the insulating layer (2).

9. The semi-flexible lightweight high voltage cable of claim 8, wherein: the two ends of the aluminum conductor (1) extending outward from the insulating layer (2) are each connected to an OT terminal (6).

10. The semi-flexible lightweight high voltage cable of claim 9, wherein: the aluminum conductor (1) and the OT terminal (6) are connected through confining pressure, pit pressure or ultrasonic welding.