CN219085708U

CN219085708U - Cable for transmitting fire-resistant data

Info

Publication number: CN219085708U
Application number: CN202222450321.4U
Authority: CN
Inventors: 李嘉楠
Original assignee: Gansu Yongsheng Cable Co ltd
Current assignee: Gansu Yongsheng Cable Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-05-26
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a cable for transmitting fire-resistant data, which comprises a cable core body, wherein an aluminum foil layer is wrapped on the outer wall surface of the cable core body, an inner sheath is sleeved on the outer wall surface of the aluminum foil layer, a fire extinguishing assembly for preventing fire from spreading is arranged on the outer wall surface of the inner sheath, the fire extinguishing assembly comprises a fire extinguishing block, the fire extinguishing block is sleeved on the outer wall surface of the inner sheath, a storage cavity is formed in the fire extinguishing block, carbon dioxide fire extinguishing agent is filled in the storage cavity, and can be distributed in a space between the cable core body and the fire extinguishing block when being sprayed out, so that the oxygen concentration between the fire extinguishing block and the cable core body can be effectively reduced, the asphyxia effect is generated, the fire spreading is prevented, the liquid can be quickly vaporized into gas when being sprayed out from a burning cavity, the surrounding heat is absorbed, the cooling effect is achieved, and the secondary burning caused by high temperature is further prevented.

Description

Cable for transmitting fire-resistant data

Technical Field

The utility model relates to the technical field of cables, in particular to a cable for transmitting fire-resistant data.

Background

With the gradual acceleration of the urban process, urban planning is increasingly becoming modern. In the urban construction process, the cable is required to have the lowest construction requirement, the cable is required to have high strength, good rigidity and toughness and the like, and in addition, the cable is required to have the characteristic of high flame retardance due to the characteristic of the cable, so that the fire disaster caused by circuit short circuit and the like can be prevented, and the safety accident is caused.

However, the cable currently on the market has the following problems:

1. for example, chinese patent publication No. CN216250104U, in which a fireproof cable is proposed, the foam filled in the fireproof jacket layer flows out along the damaged fireproof jacket layer when the fireproof jacket layer burns, the surface of the fireproof jacket layer is covered, the internal structure of the cable can be isolated from flames, the cable can be comprehensively covered and protected when the outside is in fire, and the damage to the internal conductors of the cable caused by the fire is avoided, but in this scheme, if the internal of the cable is spontaneous combustion, the fire of the cable cannot be prevented from spreading, for this reason we propose a cable for transmitting fire-resistant data;

aiming at the problems, innovative design is carried out on the basis of the original cable.

Disclosure of Invention

The present utility model is directed to a cable for transmitting fire-resistant data, which solves the problem that if the spontaneous combustion phenomenon occurs in the interior of the cable, the fire spread in the interior of the cable cannot be prevented.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cable for conveying fire-resistant data, includes the cable core body, the outer wall parcel of cable core body has the aluminium foil layer, the outer wall cover on aluminium foil layer is equipped with the inner sheath, the outer wall of inner sheath is provided with the subassembly of putting out a fire that is used for preventing the intensity of a fire to spread, the subassembly of putting out a fire includes the piece of putting out a fire, the piece of putting out a fire is overlapped and is established the outer wall of inner sheath, the inside of putting out a fire the piece has the storage chamber, the inside packing in storage chamber has carbon dioxide extinguishing agent, the internal connection in storage chamber has pressure sensor.

Preferably, the outer wall surface cover of the fire extinguishing block is provided with an inner supporting sheath, the outer wall surface of the inner supporting sheath is provided with an outer supporting sheath, a plurality of rubber frames are arranged between the outer supporting sheath and the inner supporting sheath, the outer wall of each rubber frame is connected with the inner wall of the outer supporting sheath, and the inner wall of each rubber frame is connected with the outer wall of the inner supporting sheath.

Preferably, the inside of rubber frame is connected with interior resistance to compression rubber post, the resistance to compression hole has been seted up to the top surface of interior resistance to compression rubber post.

Preferably, the outer wall surface of the outer support sheath is sleeved with a metal armor.

Preferably, the outer wall surface of the metal armor is sleeved with an outer sheath, and the outer wall surface of the outer sheath is connected with a plurality of wear-resisting columns.

Preferably, the top end of the wear-resisting column is provided with a mounting hole, and the inside of the mounting hole is fixedly sleeved with a steel wire.

Preferably, the intervals among the rubber frames are respectively filled with asbestos fireproof filling layers.

Compared with the prior art, the utility model has the beneficial effects that: the cable for transmitting fire-resistant data:

1. through setting up cable core body and fire extinguishing block, can distribute in the space between cable core body and the fire extinguishing block when carbon dioxide fire extinguishing agent blowout, can effectually reduce the oxygen concentration between fire extinguishing block and the cable core body, produce the stifling effect to reach the effect of putting out a fire, thereby prevented spreading of fire, and carbon dioxide fire extinguishing agent can be by liquid vaporization gas fast when blowout in the cavity of burning, thereby absorb the heat around, play refrigerated effect, further prevented the afterburning that leads to because of the high temperature.

2. Through setting up the storage chamber, the inside pressure of storage chamber reduces when the inside carbon dioxide fire extinguishing agent blowout of storage chamber, and pressure sensor can convert pressure signal into the signal of telecommunication and export and transmit to control center this moment, and control center personnel can carry out the rush repair this moment.

3. Through setting up a plurality of rubber frame, make the oversheath support that carries out the resistance to compression that can be better when receiving external pressure through a plurality of rubber frame, when the pressure of oversheath outer wall disappears, through interior resistance to compression rubber post can be better restore, make the deformation degree of interior resistance to compression rubber post can effectual improvement through the resistance to compression hole to the deformation degree of interior resistance to compression rubber post has been increased.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the inner sheath according to the present utility model;

FIG. 3 is a schematic view of the fire extinguishing block structure of the present utility model;

FIG. 4 is a schematic diagram of a crush-resistant pore structure in accordance with the present utility model;

fig. 5 is a schematic view of a mounting hole structure according to the present utility model.

In the figure: 1. a cable core body; 2. an aluminum foil layer; 3. an inner sheath; 4. a fire extinguishing block; 5. a storage chamber; 6. a pressure sensor; 7. an inner support sheath; 8. an outer support sheath; 9. a rubber frame; 10. an inner compression-resistant rubber column; 11. compression-resistant holes; 12. metal armoring; 13. an asbestos fire-resistant filler layer; 14. an outer sheath; 15. a wear-resistant column; 16. a mounting hole; 17. and (3) a steel wire.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 3, the present utility model provides a technical solution: the utility model provides a cable for conveying fire-resistant data, including cable core body 1, cable core body 1 is for having the structure and does not do here in detail, cable core body 1's outer wall parcel has aluminium foil layer 2, aluminium foil layer 2 is for having the structure and does not do here in detail, aluminium foil layer 2's outer wall fixed cover is equipped with inner sheath 3, inner sheath 3's outer wall is provided with the fire extinguishing component who is used for preventing the intensity of a fire to spread, fire extinguishing component includes fire extinguishing block 4, fire extinguishing block 4 fixed cover is established at inner sheath 3's outer wall, fire extinguishing block 4 is the rubber material, fire extinguishing block 4's inside has a storage chamber 5, the inside of storage chamber 5 is filled with carbon dioxide fire extinguishing agent, the inside fixed mounting of storage chamber 5 has pressure sensor 6, pressure sensor 6 is for having the structure and does not do here in detail, the inside carbon dioxide fire extinguishing agent of storage chamber 5 can be from the cavity blowout of rubber frame 9 inner wall, can distribute in the space between cable core body 1 and the fire extinguishing block 4 when carbon dioxide fire extinguishing agent blowout, can effectually reduce the oxygen concentration between fire extinguishing block 4 and the cable core body 1, produce the choking.

Referring to fig. 1, 2 and 4, in order to improve the compression resistance of the cable core body 1, an inner supporting sheath 7 is fixedly sleeved on the outer wall surface of the fire extinguishing block 4, an outer supporting sheath 8 is arranged on the outer wall surface of the inner supporting sheath 7, a plurality of rubber frames 9 are arranged between the outer supporting sheath 8 and the inner supporting sheath 7, the outer wall of the rubber frames 9 is connected with the inner wall of the outer supporting sheath 8, and the inner wall of the rubber frames 9 is connected with the outer wall of the inner supporting sheath 7.

Referring to fig. 2 and 4, in order to ensure that the rubber frame 9 of the inner compression-resistant rubber column 10 can be quickly recovered, the inner compression-resistant rubber column 10 is fixedly installed in the rubber frame 9, the compression-resistant hole 11 is formed in the top surface of the inner compression-resistant rubber column 10, and the deformation degree of the inner compression-resistant rubber column 10 can be effectively improved through the compression-resistant hole 11, so that the deformation degree of the inner compression-resistant rubber column 10 is increased.

Referring to fig. 1 and 2, in order to prevent the outer supporting sheath 8 from being pierced, a metal armor 12 is fixedly sleeved on an outer wall surface of the outer supporting sheath 8, and the metal armor 12 is of an existing structure, which is not described herein, and by means of the metal armor 12, the cable core body 1 cannot be pierced when a sharp object is encountered in a shipping process through the metal armor 12.

Referring to fig. 1, 2 and 5, in order to prevent the outer sheath 14 from being worn, an outer wall surface of the metal armor 12 is fixedly sleeved with the outer sheath 14, a plurality of wear-resistant columns 15 are fixedly mounted on the outer wall surface of the outer sheath 14, and the outer sheath 14 is not directly contacted with the bottom surface through the wear-resistant columns 15 by arranging the wear-resistant columns 15, so that the wear-resistant columns 15 are only worn when a wear phenomenon occurs, and the surface of the outer sheath 14 cannot be worn.

Referring to fig. 2 and 5, in order to prevent the outer sheath 14 from being cut off, a mounting hole 16 is formed in the top end of the wear-resistant column 15, a steel wire 17 is fixedly sleeved in the mounting hole 16, the steel wire 17 is of an existing structure, details are omitted here, and by means of the steel wire 17, a thief cannot cut off the outer sheath 14 by the steel wire 17, so that the safety of the cable core body 1 is guaranteed.

Referring to fig. 1 and 2, in order to prevent secondary spread of fire, the gaps between the rubber frames 9 are respectively filled with an asbestos fire-proof filling layer 13, the asbestos fire-proof filling layer 13 is of an existing structure, and is not described in detail herein, and the asbestos fire-proof filling layer 13 is arranged, so that the fire cannot secondarily spread, and the safety of the fire extinguishing assembly is improved.

Working principle: when the cable core body 1 is arranged in use, when the cable core body 1 is in spontaneous combustion, the inner wall of the rubber frame 9 is burnt, when the rubber frame 9 is burnt, the inner wall of the rubber frame 9 is hollow, the carbon dioxide fire extinguishing agent in the storage cavity 5 is sprayed out from the hollow of the inner wall of the rubber frame 9, when the carbon dioxide fire extinguishing agent is sprayed out, the oxygen concentration between the fire extinguishing block 4 and the cable core body 1 can be effectively reduced, the choking effect is generated, the fire extinguishing effect is achieved, the fire spreading is prevented, the carbon dioxide fire extinguishing agent is quickly vaporized into gas from the hollow of the combustion, surrounding heat is absorbed, the cooling effect is achieved, secondary combustion caused by high temperature is further prevented, when the carbon dioxide fire extinguishing agent in the storage cavity 5 is sprayed out, the pressure sensor 6 converts a pressure signal into an electric signal and transmits the electric signal to a control center, and personnel in the control center can repair the control center at the moment.

Through setting up a plurality of rubber frame 9, make the oversheath 14 support that carries out the resistance to compression that can be better when receiving external pressure through a plurality of rubber frame 9, when the pressure of oversheath 14 outer wall surface disappears, can be better through interior resistance to compression rubber post 10 restore, make interior resistance to compression rubber post 10's deformation degree can effectual improvement through resistance to compression hole 11, thereby increased interior resistance to compression rubber post 10's deformation degree, through setting up wear post 15, make oversheath 14 can not direct and bottom surface direct contact through wear post 15, only can receive wearing and tearing to wear post 15 and can't receive wearing and tearing to the surface of oversheath 14 when the wearing and tearing phenomenon appears.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cable for transmitting fire-resistant data, comprising a cable core body (1), characterized in that: the cable core is characterized in that an aluminum foil layer (2) is wrapped on the outer wall surface of the cable core body (1), an inner sheath (3) is sleeved on the outer wall surface of the aluminum foil layer (2), a fire extinguishing assembly used for preventing fire spreading is arranged on the outer wall surface of the inner sheath (3), the fire extinguishing assembly comprises a fire extinguishing block (4), the fire extinguishing block (4) is sleeved on the outer wall surface of the inner sheath (3), a storage cavity (5) is formed in the fire extinguishing block (4), carbon dioxide extinguishing agent is filled in the storage cavity (5), and a pressure sensor (6) is connected to the storage cavity (5).

2. A cable for transmitting fire resistant data as claimed in claim 1, wherein: the fire extinguishing block is characterized in that an inner supporting sheath (7) is sleeved on the outer wall surface of the fire extinguishing block (4), an outer supporting sheath (8) is arranged on the outer wall surface of the inner supporting sheath (7), a plurality of rubber frames (9) are arranged between the outer supporting sheath (8) and the inner supporting sheath (7), the outer walls of the rubber frames (9) are connected with the inner walls of the outer supporting sheath (8), and the inner walls of the rubber frames (9) are connected with the outer walls of the inner supporting sheath (7).

3. A cable for transmitting fire resistant data as claimed in claim 2, wherein: the inside of rubber frame (9) is connected with interior resistance to compression rubber post (10), compression hole (11) have been seted up to the top surface of interior resistance to compression rubber post (10).

4. A cable for transmitting fire resistant data as claimed in claim 2, wherein: the outer wall surface of the outer supporting sheath (8) is sleeved with a metal armor (12).

5. A cable for transmitting fire resistant data as recited in claim 4, wherein: the outer wall surface of the metal armor (12) is sleeved with an outer sheath (14), and the outer wall surface of the outer sheath (14) is connected with a plurality of wear-resisting columns (15).

6. A cable for transmitting fire resistant data as recited in claim 5, wherein: the top of the wear-resisting column (15) is provided with a mounting hole (16), and the inside of the mounting hole (16) is fixedly sleeved with a steel wire (17).

7. A cable for transmitting fire resistant data as claimed in claim 2, wherein: the spaces among the rubber frames (9) are respectively filled with asbestos fireproof filling layers (13).