CN212461187U

CN212461187U - Fireproof high-temperature-resistant cable

Info

Publication number: CN212461187U
Application number: CN202021463490.6U
Authority: CN
Inventors: 汤清泉; 许小刚; 戴张斌
Original assignee: Anhui Guotong Electric Power Construction Co ltd
Current assignee: Anhui Guotong Electric Power Construction Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-02-02
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a fire prevention high temperature resistant type cable belongs to the cable technical field, including a plurality of wire main parts, be equipped with heat dissipation mechanism on the outer wall of wire main part, be equipped with fire prevention mechanism on the outer wall of heat dissipation mechanism, be equipped with between wire main part and the heat dissipation mechanism and separate oxygen fire prevention stopping, be equipped with the protective sheath on the outer wall of fire prevention mechanism; the utility model discloses a protective sheath separates flame and cable, prevents that the cable from being burnt, and the special construction and the heat radiation structure's that pass through fire prevention mechanism mutually support simultaneously, have improved the fire prevention heat resistance of cable greatly, have reduced the damage of high temperature to the cable, make the cable can work under high temperature environment, have increased the life of cable.

Description

Fireproof high-temperature-resistant cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to fire prevention high temperature resistant type cable.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, is a conducting wire for transmitting electric power or information from one place to another place, and common cables include power cables, control cables, compensation cables, shielding cables, high-temperature cables, computer cables, signal cables, coaxial cables, marine cables, mining cables, aluminum alloy cables and the like, and are composed of single-strand or multi-strand conducting wires and insulating layers and used for connecting circuits and electric appliances.

With the progress of science and technology, the cable is widely used in various industries as an important carrier of power transmission, the traditional cable is poor in fireproof and high-temperature resistant performance, and the cable is easy to age and damage in a fire or high-temperature environment, so that the use of people is influenced.

Disclosure of Invention

Not enough to prior art, the utility model aims to provide a fire prevention high temperature resistant type cable through mutually supporting of heat dissipation mechanism and fire prevention mechanism, has solved the poor problem of traditional cable fire prevention high temperature resistance.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a fire prevention high temperature resistant type cable, includes a plurality of wire main part, be equipped with heat dissipation mechanism on the outer wall of wire main part, be equipped with fire prevention mechanism on heat dissipation mechanism's the outer wall, be equipped with between wire main part and the heat dissipation mechanism and separate oxygen fire prevention stopping, be equipped with the protective sheath on fire prevention mechanism's the outer wall.

Further, the wire main part includes the conductor, the conductor has heat-resisting mica tape, insulating layer and aluminium foil shielding layer by interior cladding in proper order outside to, the conductor is the copper core, the insulating layer is the silicon rubber material, the material of overcoat is the alloy steel that can take place elastic deformation.

Furthermore, the heat dissipation mechanism comprises a first supporting layer and a second supporting layer, the first supporting layer is tightly attached to the lead body, and heat dissipation holes are formed in the first supporting layer.

Furthermore, a plurality of support frames are arranged between the first support layer and the second support layer in a circumferential array mode, one ends of the support frames are fixedly connected to the outer wall of the first support layer, and the other ends of the support frames are fixedly connected to the inner wall of the second support layer.

Furthermore, the fire prevention mechanism includes insulating fire prevention band layer, insulating fire prevention band layer hugs closely on fire prevention mechanism, insulating fire prevention band layer by inside to outside in proper order the cladding have first flame retardant coating, first heat dissipation layer, second flame retardant coating and second heat dissipation layer.

Further, the material of first flame retardant coating is ceramic fiber, first heat dissipation layer and second heat dissipation layer are elastic deformation's metal radiator-grid can take place, the material of second flame retardant coating is fire-retardant polyvinyl fluoride.

The utility model has the advantages that:

the utility model discloses a protective sheath separates flame and cable, prevents that the cable from being burnt, and the special construction and the heat radiation structure's that pass through fire prevention mechanism mutually support simultaneously, have improved the fire prevention heat resistance of cable greatly, have reduced the damage of high temperature to the cable, make the cable can work under high temperature environment, have increased the life of cable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic structural diagram of a heat dissipation mechanism;

fig. 4 is a schematic structural view of the lead body.

The reference numbers in the figures illustrate:

1. a lead body; 2. a heat dissipation mechanism; 3. a fire prevention mechanism; 4. oxygen-insulating fireproof filling material; 5. a conductor; 6. heat-resistant mica tapes; 7. an insulating layer; 8. an aluminum foil shielding layer; 9. a first support layer; 10. a second support layer; 11. heat dissipation holes; 12. a support frame; 13. an insulating fire-proof belting layer; 14. a first fire resistant layer; 15. a first heat dissipation layer; 16. a second fire-resistant layer; 17. a second heat dissipation layer; 18. and (4) a protective outer sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a high temperature resistant type cable of fire prevention, as shown in figure 1, including a plurality of wire main part 1, be equipped with heat dissipation mechanism 2 on the outer wall of wire main part 1, be equipped with fire prevention mechanism 3 on heat dissipation mechanism 2's the outer wall, be equipped with between wire main part 1 and the heat dissipation mechanism 2 and separate oxygen fire prevention stopping 4, be equipped with protection overcoat 18 on fire prevention mechanism 3's the outer wall, as shown in figure 4, wire main part 1 includes conductor 5, conductor 5 from inside to outside in proper order the cladding have heat-resisting mica tape 6, insulating layer 7 and aluminium foil shielding layer 8, conductor 5 is the copper core, insulating layer 7 is the silicon rubber material, the alloy steel of elastic deformation can take place for the material of protection overcoat 18, protection overcoat 18 can prevent that the cable from.

As shown in fig. 3, the heat dissipation mechanism 2 includes a first support layer 9 and a second support layer 10, the first support layer 9 is tightly attached to the lead body 1, and a heat dissipation hole 11 is formed in the first support layer 9, a plurality of support frames 12 are arranged between the first support layer 9 and the second support layer 10 in a circumferential array manner, one end of each support frame 12 is fixedly connected to the outer wall of the first support layer 9, the other end of each support frame 12 is fixedly connected to the inner wall of the second support layer 10, the heat dissipation hole 11 can dissipate heat inside the cable, the support frames 12 form a certain space gap inside the cable, and damage of flame to the lead body 1 is prevented.

As shown in fig. 2, the fire protection mechanism 3 includes an insulating fireproof belting layer 13, the insulating fireproof belting layer 13 is tightly attached to the fire protection mechanism 3, the insulating fireproof belting layer 13 is sequentially coated with a first fireproof layer 14, a first heat dissipation layer 15, a second fireproof layer 16 and a second heat dissipation layer 17 from inside to outside, the first fireproof layer 14 is made of ceramic fibers, the first heat dissipation layer 15 and the second heat dissipation layer 17 are both metal heat dissipation nets capable of elastically deforming, the second fireproof layer 16 is made of flame-retardant polyvinyl fluoride, the second fireproof layer 16 can prevent a cable from being burnt, the first heat dissipation layer 15 and the second heat dissipation layer 17 can resist heat and dissipate heat, and the first fireproof layer 14 further prevents the cable from being burnt.

When the cable drops into use, the outmost protective outer cover 18 of cable has increased the wearability of cable, its material can protect the cable not burnt, the transport and the installation of cable have also been made things convenient for, second heat dissipation layer 17 and first heat dissipation layer 15 can dispel the heat to the temperature step by step simultaneously, second flame retardant coating 16 and first flame retardant coating 14 also can prevent that flame from damaging the cable, louvre 11 and support frame 12 in the heat dissipation mechanism 2 form a space clearance with the cable is inside, fine radiating effect has been played, can reduce the inside temperature of cable, prevent the damage of temperature to the cable is inside.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a fire prevention high temperature resistant type cable, includes a plurality of wire main part (1), its characterized in that, be equipped with heat dissipation mechanism (2) on the outer wall of wire main part (1), be equipped with fire prevention mechanism (3) on the outer wall of heat dissipation mechanism (2), be equipped with between wire main part (1) and heat dissipation mechanism (2) and separate oxygen fire prevention stopping material (4), be equipped with protective sheath (18) on the outer wall of fire prevention mechanism (3).

2. The fireproof high-temperature-resistant cable according to claim 1, wherein the conductor main body (1) comprises a conductor (5), the conductor (5) is sequentially coated with a heat-resistant mica tape (6), an insulating layer (7) and an aluminum foil shielding layer (8) from inside to outside, the conductor (5) is a copper core, the insulating layer (7) is made of silicon rubber, and the protective outer sleeve (18) is made of alloy steel capable of elastically deforming.

3. A fireproof and high temperature resistant cable according to claim 1, wherein the heat dissipation mechanism (2) comprises a first support layer (9) and a second support layer (10), the first support layer (9) is tightly attached to the conductor body (1), and the first support layer (9) is provided with heat dissipation holes (11).

4. A fire and temperature resistant cable according to claim 3, wherein a plurality of support frames (12) are circumferentially arrayed between the first support layer (9) and the second support layer (10), one end of each support frame (12) is fixedly connected to the outer wall of the first support layer (9), and the other end of each support frame (12) is fixedly connected to the inner wall of the second support layer (10).

5. A fireproof and high-temperature-resistant cable according to claim 1, wherein the fireproof mechanism (3) comprises an insulating fireproof belting layer (13), the insulating fireproof belting layer (13) is tightly attached to the fireproof mechanism (3), and the insulating fireproof belting layer (13) is sequentially coated with a first fireproof layer (14), a first heat dissipation layer (15), a second fireproof layer (16) and a second heat dissipation layer (17) from inside to outside.

6. A fireproof and high-temperature-resistant cable according to claim 5, wherein the first fireproof layer (14) is made of ceramic fibers, the first heat dissipation layer (15) and the second heat dissipation layer (17) are both elastically deformable metal heat dissipation nets, and the second fireproof layer (16) is made of flame-retardant polyvinyl fluoride.