CN216287656U

CN216287656U - Photoelectric composite high-voltage fireproof cable

Info

Publication number: CN216287656U
Application number: CN202123138191.2U
Authority: CN
Inventors: 沈玉龙; 苏文进; 耿苏梅; 孙毕; 冯仁江
Original assignee: Yunnan Dianlan Industrial Co ltd
Current assignee: Yunnan Dianlan Industrial Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-04-12
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a photoelectric composite high-voltage fireproof cable which comprises a connecting layer, wherein a plurality of protective layers are arranged inside the connecting layer, and conductors are arranged inside the protective layers; the surface of inoxidizing coating is provided with the insulating layer, and the surface of insulating layer is provided with the flame retardant coating, and the surface of flame retardant coating is provided with outer protection. According to the utility model, a plurality of sliding rings are arranged on the surface of the cable insulating layer in a sliding manner, a round rod is arranged on one side of each sliding ring, and a round groove is formed in the other side of each sliding ring; and fireproof materials are filled between the protective layer and the connecting layer; the surface of slip ring is provided with the flame retardant coating equally, can effectively avoid the cable to receive the damage in the condition such as conflagration taking place.

Description

Photoelectric composite high-voltage fireproof cable

Technical Field

The utility model relates to the technical field of cables, in particular to a photoelectric composite high-voltage fireproof cable.

Background

The cable is an electric energy or signal transmission device, usually composed of several or several groups of wires, and the photoelectric composite cable is suitable for broadband access network system, is used as transmission line, is a novel access mode, and can solve the problems of broadband access, equipment power consumption and signal transmission.

Present compound high-voltage fireproof cable of photoelectricity often need hang in the eminence, and for outdoor environment, when meeting snow weather, snow piles up on the cable easily to make a certain section of bending of cable, if not rush-repair in time will lead to the bending part fracture, thereby influence the normal use to the cable, and the cable after the fracture drops from the eminence easily, hits the pedestrian easily, exists certain potential safety hazard. Therefore, the photoelectric composite high-voltage fireproof cable is improved.

SUMMERY OF THE UTILITY MODEL

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

a photoelectric composite high-voltage fireproof cable comprises a connecting layer, wherein a plurality of protective layers are arranged inside the connecting layer, conductors are arranged inside the protective layers, heat dissipation holes are formed in the protective layers, when the cable generates heat in the using process, the heat can be discharged through the heat dissipation holes, the protective layers can protect the conductors to a certain extent, and the surfaces of the conductors are prevented from being completely exposed to the outside; the surface of inoxidizing coating is provided with the insulating layer, the surface of insulating layer is provided with the flame retardant coating, the surface of flame retardant coating is provided with the anticorrosive coating, and the surface of anticorrosive coating is provided with outer protection, and the insulating layer can prevent external disturbance, and the flame retardant coating can play the effect of fire prevention, and the anticorrosive coating can prevent that the cable from being corroded by the material in the external environment, and outer protection can avoid the cable to receive external striking, take place to damage often such as pulling.

As a preferable technical scheme of the utility model, a flame-retardant layer is filled between the connecting layer and the protective layer, and the flame-retardant layer can also play a role in fire prevention.

As a preferable technical scheme of the utility model, the surface of the insulating layer is provided with a sliding groove, and a sliding block is arranged in the sliding groove in a sliding manner.

As a preferable technical scheme of the utility model, the plurality of sliding blocks are provided, and the sliding rings are sleeved on the surfaces of the plurality of sliding blocks together, so that the sliding rings can effectively prevent the conductor from being damaged.

As a preferable technical scheme of the utility model, one side of the sliding ring is provided with a circular groove, and the other side of the sliding ring is provided with a circular rod.

As a preferable technical scheme of the utility model, the diameter of the circular groove is larger than that of the circular rod, and the sliding rings can be clamped with the circular groove through the circular rod, so that the effect of protecting the conductor is achieved.

The utility model has the beneficial effects that: according to the utility model, the plurality of sliding rings are arranged on the surface of the cable insulating layer in a sliding manner, the round rod is arranged on one side of each sliding ring, the round groove matched with the round rod is formed in the other side of each sliding ring, and when one section of the cable is bent due to accumulated snow or other reasons, the sliding rings slide to the lowest point of the bent part along the bent cable, so that a certain supporting and protecting effect is provided for the conductor at the bent part, the conductor at the bent part is prevented from being broken, the service life of the cable is prolonged, and potential safety hazards are eliminated.

In the utility model, a protective layer is arranged on the surface of the conductor, and a fireproof material is filled between the protective layer and the connecting layer; and the surface of the sliding ring is also provided with a fireproof layer, so that the cable can be effectively prevented from being damaged in the case of fire and the like.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a photoelectric composite high-voltage fireproof cable according to the present invention;

FIG. 2 is a schematic plan view of the photoelectric composite high-voltage fireproof cable according to the present invention;

FIG. 3 is a schematic view of a partial structure of a photoelectric composite high-voltage fireproof cable according to the present invention;

fig. 4 is a schematic view of a partial structure of a photoelectric composite high-voltage fireproof cable according to the present invention.

In the figure: 1. a connecting layer; 2. a protective layer; 3. a conductor; 4. an insulating layer; 5. a fire barrier layer; 6. an anticorrosive layer; 7. external protection; 8. a flame retardant layer; 9. a chute; 10. a slider; 11. a slip ring; 12. a circular groove; 13. a round bar.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1 to 4, the photoelectric composite high-voltage fireproof cable of the present invention includes a connection layer 1, a plurality of protection layers 2 are disposed inside the connection layer 1, a conductor 3 is disposed inside the protection layer 2, and heat dissipation holes are disposed in the protection layers 2, so that heat generated during the use of the cable can be dissipated through the heat dissipation holes; the protective layer 2 can protect the conductor 3 to a certain extent, and the surface of the conductor 3 is prevented from being completely exposed to the outside; the surface of inoxidizing coating 2 is provided with insulating layer 4, and the surface of insulating layer 4 is provided with flame retardant coating 5, and the surface of flame retardant coating 5 is provided with anticorrosive coating 6, and anticorrosive coating 6's surface is provided with outer protection 7, and insulating layer 4 can prevent external interference, and flame retardant coating 5 can play the effect of fire prevention, and anticorrosive coating 6 can prevent that the cable from being corroded by the material in the external environment, and outer protection 7 can avoid the cable to receive external striking, take place the damage often such as pull.

And a flame-retardant layer 8 is filled between the connecting layer 1 and the protective layer 2, and the flame-retardant layer 8 can also play a role in fire prevention.

The surface of the insulating layer 4 is provided with a sliding groove 9, and a sliding block 10 is arranged in the sliding groove 9 in a sliding manner. The sliders 10 are multiple, the sliding rings 11 are sleeved on the surfaces of the sliders 10, the sliding rings 11 are multiple, and the sliding rings 11 can effectively prevent the conductor 3 from being damaged.

A circular groove 12 is formed on one side of the sliding ring 11, and a circular rod 13 is arranged on the other side of the sliding ring 11. The diameter of the circular groove 12 is larger than the diameter of the circular rod 13. The slip rings 11 can be easily clamped with the circular grooves 12 through the circular rods 13, so that the purpose of protecting the conductors 3 is achieved.

When the cable is erected in an outdoor environment, the protective layer 2 in the cable can play a certain protective role on the conductor 3 in the cable, the conductor 3 can be tightly fixed together through the protective layer 2, heat dissipation holes are formed in the protective layer 2, and when the cable is used, heat can be discharged through the heat dissipation holes; the insulating layer 4 can prevent the cable from being interfered by the outside in the using process, the anticorrosive layer 6 can prevent the cable from being corroded by the substances in the external environment, and the outer protection 7 can prevent the cable from being damaged by external forces such as impact, dragging and the like; if snow is covered on the surface of the cable in snowing weather and is not processed in time, when the cable is easy to bend by the snow, the sliding ring 11 in the cable slides along the surface of the insulating layer 4 through the sliding block 10, so that the lowest point of the bent end of the cable is protected by the sliding ring 11, the lowest point of the bent end of the cable can keep an arc shape, the conductor 3 in the cable is effectively prevented from being broken, the sliding rings 11 can be easily clamped and connected through the round rod 13 and the round groove 12, and the guide and protection effects are achieved for the outer part of the conductor 3; the fire-retardant layer 5 and the flame-retardant layer 8 in the cable can protect the cable from being damaged when a fire hazard situation and the like occurs.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The photoelectric composite high-voltage fireproof cable comprises a connecting layer (1), and is characterized in that a plurality of protective layers (2) are arranged inside the connecting layer (1), and a conductor (3) is arranged inside each protective layer (2); the surface of inoxidizing coating (2) is provided with insulating layer (4), the surface of insulating layer (4) is provided with flame retardant coating (5), the surface of flame retardant coating (5) is provided with anticorrosive coating (6), and the surface of anticorrosive coating (6) is provided with outer protection (7).

2. The photoelectric composite high-voltage fireproof cable according to claim 1, wherein a flame-retardant layer (8) is filled between the connecting layer (1) and the protective layer (2).

3. The photoelectric composite high-voltage fireproof cable according to claim 1, wherein a sliding groove (9) is formed in the surface of the insulating layer (4), and a sliding block (10) is slidably arranged in the sliding groove (9).

4. The photoelectric composite high-voltage fireproof cable according to claim 3, wherein the sliding blocks (10) are provided in plurality, and the sliding rings (11) are sleeved on the surfaces of the sliding blocks (10) together.

5. The photoelectric composite high-voltage fireproof cable according to claim 4, wherein one side of the sliding ring (11) is provided with a circular groove (12), and the other side of the sliding ring (11) is provided with a circular rod (13).

6. Photoelectric composite high-voltage fireproof cable according to claim 5, wherein the diameter of the circular groove (12) is larger than the diameter of the circular rod (13).