CN218975187U

CN218975187U - Flame-retardant copper core shielding control flexible cable

Info

Publication number: CN218975187U
Application number: CN202223404775.4U
Authority: CN
Inventors: 叶金理; 叶特
Original assignee: Chongqing Yile Cable Co ltd
Current assignee: Chongqing Yile Cable Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-05
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a flame-retardant copper core shielding control flexible cable, which comprises the following components: a cable body comprising a conductor and a first insulating layer; the conductor is located cable body middle part, and is the annular and is provided with a plurality of, and a plurality of the conductor outside has set gradually inoxidizing coating, second fire-retardant layer, high temperature resistant layer and second insulating layer from outside to inside, is provided with the filling layer between first insulating layer and the a plurality of conductor, the filling layer middle part is provided with the stiffener. Through above-mentioned structure, utilize the stiffener to extrude the middle part of cable body, can increase cable body's intensity, avoid the conductor to take place not hard up in the filling layer, utilize high temperature resistant layer can make the cable carry out electric power transmission under the environment of higher temperature moreover.

Description

Flame-retardant copper core shielding control flexible cable

Technical Field

The utility model relates to the technical field of power equipment, in particular to a flame-retardant copper core shielding control flexible cable.

Background

The flame-retardant control cable is suitable for industrial and mining enterprises, energy traffic departments, polyvinyl chloride insulation and polyvinyl chloride sheath control cables for controlling alternating current rated voltage below 450/750V, and the like, and is used in occasions such as approaching and protecting lines.

The existing flame-retardant control cable has many defects, does not have a high temperature resistant function, is inconvenient to use in an extreme environment, has limited conductor strength in the middle of the flame-retardant control cable, is easy to loosen after long-time use, and affects the use effect of the cable.

Disclosure of Invention

The utility model aims to solve the technical problems that a cable does not have high temperature resistance and a cable inner conductor is easy to loosen in the prior art by providing a flame-retardant copper core shielding control flexible cable.

To achieve the above object, there is provided a flame retardant copper core shielding control flexible cable comprising:

a cable body comprising a conductor and a first insulating layer;

the conductors are positioned in the middle of the cable body, a plurality of conductors are annularly arranged, and a protective layer, a second flame-retardant layer, a high-temperature-resistant layer and a second insulating layer are sequentially arranged outside the plurality of conductors from outside to inside;

be provided with the filling layer between first insulating layer and the a plurality of conductor, the filling layer middle part is provided with the stiffener, and the conductor is annular setting in cable body middle part, and the lateral wall laminating each other utilizes the inside that the stiffener inserted the filling layer moreover, can strengthen cable body's intensity.

According to the fire-retardant copper core shielding control flexible cable, the cable body has set gradually halogen-free lag, first fire-retardant layer, enhancement layer and shielding layer from outside to inside, and cup joints in proper order in the cable body outside, utilizes halogen-free material can avoid the cable overcoat to be caused too big injury to the human body by the flue gas that produces after burning.

According to the flame-retardant copper core shielding control flexible cable, a plurality of reinforcing ribs are arranged in the middle of the reinforcing layer and are uniformly distributed in a ring shape, so that the toughness of the cable body is improved, the cable body is prevented from being broken at will, and the strength of the cable body is guaranteed.

According to the flame-retardant copper core shielding control flexible cable, the side wall of the shielding layer is fixedly connected with the side wall of the first insulating layer.

According to the flame-retardant copper core shielding control flexible cable, the protective layer, the second flame-retardant layer, the high temperature resistant layer and the second insulating layer are sequentially sleeved outside the conductor

According to the flame-retardant copper core shielding control flexible cable, the conductor is copper

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a cross-sectional view of a flame retardant copper core shield control flexible cable of the present utility model;

fig. 2 is an enlarged view of the utility model at a in fig. 1.

Legend description:

1. a cable body; 2. a halogen-free protective sleeve; 3. a first flame retardant layer; 4. reinforcing ribs; 5. a reinforcing layer; 6. a shielding layer; 7. a first insulating layer; 8. a filling layer; 9. a reinforcing rod; 10. a conductor; 11. a protective layer; 12. a second flame retardant layer; 13. a high temperature resistant layer; 14. and a second insulating layer.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-2, a flame retardant copper core shielding control flexible cable according to an embodiment of the present utility model includes:

a cable body 1, the cable body 1 comprising a conductor 10 and a first insulating layer 7;

the conductors 10 are positioned in the middle of the cable body 1 and are annularly provided with a plurality of conductors, the outside of the plurality of conductors 10 is sequentially provided with a protective layer 11, a second flame retardant layer 12, a high temperature resistant layer 13 and a second insulating layer 14 from outside to inside, and the high temperature resistant layer 13 is utilized to ensure that the cable can be normally used in a high-temperature environment, so that the cable can smoothly transmit power;

be provided with filling layer 8 between first insulating layer 7 and a plurality of conductor 10, filling layer 8 middle part is provided with stiffener 9, and stiffener 9 is located the middle part of cable body 1, extrudees filling layer 8 when inserting the middle part of cable body 1 through stiffener 9 to extrude conductor 10, make conductor 10 can fix the middle part at cable body 1 effectively, avoid taking place not hard up.

The cable body 1 has set gradually halogen-free lag 2, first fire-retardant layer 3, enhancement layer 5 and shielding layer 6 from outside to inside, and cup joint in proper order in cable body 1 outside, enhancement layer 5 middle part is provided with a plurality of strengthening rib 4, strengthening rib 4 is annular evenly distributed, shielding layer 6 lateral wall and first insulating layer 7 lateral wall fixed connection, inoxidizing coating 11, the fire-retardant layer 12 of second, high temperature resistant layer 13 and second insulating layer 14 cup joint in proper order in conductor 10 outsidely, conductor 10 is copper, utilize two fire-retardant layers can protect conductor 10 effectively.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a fire-retardant copper core shielding control flexible cable which characterized in that includes:

a cable body (1), the cable body (1) comprising a conductor (10) and a first insulating layer (7);

the conductors (10) are positioned in the middle of the cable body (1) and are annularly provided with a plurality of conductors (10), and a protective layer (11), a second flame-retardant layer (12), a high-temperature-resistant layer (13) and a second insulating layer (14) are sequentially arranged outside the conductors (10) from outside to inside;

a filling layer (8) is arranged between the first insulating layer (7) and the plurality of conductors (10), and a reinforcing rod (9) is arranged in the middle of the filling layer (8).

2. The flame-retardant copper core shielding control flexible cable according to claim 1, wherein the cable body (1) is sequentially provided with a halogen-free protective sleeve (2), a first flame-retardant layer (3), a reinforcing layer (5) and a shielding layer (6) from outside to inside, and is sequentially sleeved outside the cable body (1).

3. The flame-retardant copper core shielding control flexible cable according to claim 2, wherein a plurality of reinforcing ribs (4) are arranged in the middle of the reinforcing layer (5), and the reinforcing ribs (4) are uniformly distributed in a ring shape.

4. The flame retardant copper core shielding control flexible cable according to claim 2, wherein the side wall of the shielding layer (6) is fixedly connected with the side wall of the first insulating layer (7).

5. The flame-retardant copper core shielding control flexible cable according to claim 1, wherein the protective layer (11), the second flame-retardant layer (12), the high-temperature resistant layer (13) and the second insulating layer (14) are sequentially sheathed outside the conductor (10).

6. The flame retardant copper core shielding control flexible electrical cable according to claim 1, wherein the conductor (10) is copper.