CN213660040U

CN213660040U - Flame-retardant high-speed data cable for 5G data center system

Info

Publication number: CN213660040U
Application number: CN202023027269.9U
Authority: CN
Inventors: 陈明; 许艺瀚
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-09
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a flame-retardant high-speed data cable for a 5G data center system, which comprises an outer sheath, wherein the outer sheath is in a cylindrical hollow structure, the inner cavity of the outer sheath is provided with a compression ring which is in close contact with the outer sheath, the inner wall of the compression ring is provided with a flame-retardant polyvinyl fluoride sheath, the flame-retardant polyvinyl fluoride sheath is internally provided with fireproof cotton, a vacuum cavity is arranged between the fireproof cotton and the flame-retardant polyvinyl fluoride sheath, the inner cavity of the fireproof cotton is provided with four conductors which are distributed in a circumferential array, the utility model improves the compression resistance of the cable by arranging reinforcing steel and supporting balls, can effectively avoid the cable from being extruded and deformed and damaged by gravity outside the cable, thereby greatly prolonging the service life of the cable, and the compression ring is tightly connected with the outer sheath under the matching between a lug and a groove, and the phenomenon of sliding and loosening is not easy to occur.

Description

Flame-retardant high-speed data cable for 5G data center system

Technical Field

The utility model relates to a data cable technical field specifically is a fire-retardant type high-speed data cable is used to 5G data center system.

Background

With the rapid development of the 5G optical communication technology, optical cables are commonly used in backbone networks and inter-office trunk lines of wired communication networks, and it has become a necessary trend for optical fibers to enter an access network. However, the optical cable laying cost is too high, the joint cost and the terminal photoelectric conversion cost are expensive, so the subscriber line of the access network still takes the metal cable as the main part for a long time before the popularization of the optical fiber. The metal cable mainly comprises a full-plastic cable, a coaxial cable and a data cable. The data cable is an ideal transmission medium of the broadband access network at present, has the advantages of low manufacturing cost, simple structure, good expandability and convenient network upgrade, and is mainly used for building comprehensive wiring, cell computer comprehensive wiring and the like.

The general outside of present data cable is only through the rubber parcel, and the support nature is relatively poor, leads to the heavy object extrusion to warp easily impaired, seriously influences the life of cable, and in addition, current cable flame retardant efficiency is relatively poor, can release a large amount of smog and poisonous, corrosive gas when the cable burning to seriously threaten people's life safety and loss of property.

Disclosure of Invention

An object of the utility model is to provide a 5G data center is fire-retardant type high-speed data cable for system to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the flame-retardant high-speed data cable for the 5G data center system comprises an outer sheath, wherein the outer sheath is of a cylindrical hollow structure, and the inner cavity of the outer sheath is provided with an anti-compression ring which is in close contact with the inner cavity of the outer sheath, the inner wall of the anti-compression ring is provided with a flame-retardant polyvinyl fluoride sheath, the flame-retardant polyvinyl fluoride sheath is internally provided with fireproof cotton, a vacuum cavity is arranged between the fireproof cotton and the flame-retardant polyvinyl fluoride sheath, the inner cavity of the fireproof cotton is provided with four conductors distributed in a circumferential array, and the central parts of the inner cavities of the four fireproof cottons are provided with conductors, the inner cavities of the fireproof cottons are filled with oxygen-insulating fillers, the outer wall of the conductor is provided with an insulating layer, the outer wall of the insulating layer is provided with a wrapping tape, the outer side of the wrapping tape is provided with a thermal protection screen, an oxygen isolating layer is arranged between the thermal protection screen and the wrapping tape, and the outer wall of the thermal protection screen is in close contact with the oxygen isolating filler.

As a further aspect of the present invention: the anti-compression cable is characterized in that a cavity is arranged in the anti-compression ring, the cavity inner cavity is provided with reinforcing steel distributed in a circumferential array mode, the reinforcing steel is of an arc-shaped structure, supporting balls are arranged in the arc-shaped cavity of the reinforcing steel, the anti-compression performance of the cable is improved through the reinforcing steel and the supporting balls, the situation that the cable is extruded and deformed and damaged due to gravity extrusion can be effectively avoided, and the service life of the cable is greatly prolonged.

As a further aspect of the present invention: the anti-compression ring is characterized in that the outer wall of the anti-compression ring is provided with lugs distributed in a circumferential array mode, the inner wall of the outer sheath is provided with grooves corresponding to the lugs, the lugs are of a dovetail structure, the size of the lugs is identical to that of the grooves, and the anti-compression ring is tightly connected with the outer sheath through the matching between the lugs and the grooves and is not prone to sliding and loosening.

As a further aspect of the present invention: the insulating layer adopts crosslinking low smoke and zero halogen polyolefin insulating material to make, adopts crosslinking low smoke and zero halogen polyolefin insulating material to make through the insulating layer, can effectively solve the dropping of cable inflammables in the combustion process to the flame retardant property of cable has been improved greatly.

As a further aspect of the present invention: the oxygen isolation layer and the outer sheath are both made of low-smoke halogen-free high-flame-retardant polyolefin non-toxic materials with high oxygen indexes, and the cable is made of the low-smoke halogen-free high-flame-retardant polyolefin non-toxic materials with high oxygen indexes, so that the cable has very high oxygen indexes, and is difficult to burn.

As a further aspect of the present invention: the thermal protection screen is made of the metal composite belt material, and the thermal protection screen is made of the metal composite belt material, so that the cable can be immediately crust when burning, the fire is greatly reduced, and the thermal protection screen has a good flame-retardant effect.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting of steel reinforcement and support ball has improved the compressive property of this cable, can effectively avoid the cable outside to receive the gravity extrusion and lead to the damaged condition of cable extrusion deformation to prolonged the life of cable greatly, and under the cooperation between lug and recess, make zonulae occludens between compression ring and the oversheath, and difficult emergence slides not hard up phenomenon.

2. The product has good flame retardant property, the insulating layer is made of cross-linked low-smoke halogen-free polyolefin insulating material, the dropping of inflammable matters in the combustion process of the cable can be effectively solved, thereby greatly improving the flame retardant property of the cable, the cable has very high oxygen index by adopting low-smoke halogen-free high-flame-retardant polyolefin non-toxic material with high oxygen index, thereby the cable is not easy to be combusted, the thermal protection screen is made of metal composite belt material, when the cable is combusted, the cable can be immediately crust, thereby greatly reducing the fire behavior, having good flame retardant effect, and through the arrangement of the flame-retardant polyfluoroethylene sheath, the vacuum cavity, the fireproof cotton and the oxygen-insulating filler, because the flame-retardant polyfluoroethylene sheath can play an insulating effect, the flame resistance is excellent, the fireproof cotton enhances the heat insulation and fire prevention functions of the cable, and the oxygen-insulating filler inside the fireproof cotton discharges the oxygen inside the cable, the risk of spontaneous combustion inside the cable is avoided, the spread of fire can be effectively prevented under the condition of fire, and the combustion is limited in a local range, so that the safety performance is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of a flame retardant high-speed data cable for a 5G data center system.

Fig. 2 is a partially enlarged view of a portion of a flame retardant high speed data cable for a 5G data center system.

Fig. 3 is a schematic structural diagram of an anti-crush ring in the flame-retardant high-speed data cable for the 5G data center system.

In the figure: 1. an outer sheath; 2. an anti-compression ring; 3. a bump; 4. a flame-retardant polyvinyl fluoride sheath; 5. a vacuum chamber; 6. fireproof cotton; 7. an oxygen barrier filler; 8. a conductor; 9. an insulating layer; 10. wrapping a tape; 11. an oxygen barrier layer; 12. a thermal protection screen; 13. a cavity; 14. reinforcing steel; 15. and supporting the ball.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a flame-retardant high-speed data cable for a 5G data center system includes an outer sheath 1, the outer sheath 1 is a cylindrical hollow structure, an inner cavity of the outer sheath 1 is provided with a compression ring 2 in close contact therewith, an inner wall of the compression ring 2 is provided with a flame-retardant polyvinyl fluoride sheath 4, a fire-proof cotton 6 is arranged in the flame-retardant polyvinyl fluoride sheath 4, a vacuum cavity 5 is arranged between the fire-proof cotton 6 and the flame-retardant polyvinyl fluoride sheath 4, an inner cavity of the fire-proof cotton 6 is provided with four conductors 8 distributed in a circumferential array, the central parts of the inner cavities of the four fire-proof cotton 6 are provided with conductors 8, the inner cavity of the fire-proof cotton 6 is filled with an oxygen-insulating filler 7, an insulating layer 9 is arranged on an outer wall of the conductors 8, a wrapping tape 10 is arranged on an outer wall of the insulating layer, an oxygen-isolating layer 11 is arranged between the thermal protection screen 12 and the wrapping tape 10, and the outer wall of the thermal protection screen 12 is in close contact with the oxygen-isolating filler 7.

Be provided with cavity 13 in the compression ring 2, cavity 13 inner chamber is provided with and is the reinforcing steel 14 of circumference array distribution, reinforcing steel 14 is convex structure, just reinforcing steel 14's arc intracavity is provided with support ball 15.

Through the setting of reinforcing steel 14 and support ball 15, improved the compressive property of this cable, can effectively avoid the cable outside to receive the condition that gravity extrusion leads to cable extrusion deformation damage to the life of cable has been prolonged greatly.

The outer wall of the compression resisting ring 2 is provided with lugs 3 distributed in a circumferential array, the inner wall of the outer sheath 1 is provided with grooves corresponding to the lugs 3, the lugs 3 are of dovetail structures, and the size of the lugs 3 is identical to that of the grooves.

Through the cooperation between lug 3 and the recess for zonulae occludens 2 and oversheath 1 between the zonulae occludens, and difficult emergence slip not hard up phenomenon.

The insulating layer 9 is made of cross-linked low-smoke halogen-free polyolefin insulating material.

The insulating layer 9 is made of cross-linked low-smoke halogen-free polyolefin insulating material, so that the problem that inflammable substances of the cable drip during the combustion process can be effectively solved, and the flame retardant property of the cable is greatly improved.

The oxygen isolation layer 11 and the outer sheath 1 are both made of low-smoke halogen-free high-flame-retardant polyolefin non-toxic materials with high oxygen index.

The cable has a very high oxygen index by adopting the low-smoke halogen-free high-flame-retardant polyolefin non-toxic material with the high oxygen index, so that the cable is not easy to burn.

The thermal protection shield 12 is made of a metal composite tape material.

The heat protection screen 12 is made of metal composite belt materials, and when the cable burns, the cable can be immediately crust, so that the fire is greatly reduced, and the cable has a good flame-retardant effect.

The utility model discloses a theory of operation is:

the anti-compression performance of the cable is improved by the arrangement of the reinforced steel 14 and the supporting balls 15, the situation that the cable is extruded, deformed and damaged due to gravity extrusion outside the cable can be effectively avoided, the service life of the cable is greatly prolonged, the compression-resistant ring 2 is tightly connected with the outer sheath 1 under the matching between the convex blocks 3 and the grooves, and the phenomenon of sliding and loosening is not easy to occur, the insulation layer 9 is made of cross-linked low-smoke halogen-free polyolefin insulation materials, the dropping of inflammable matters during the combustion process of the cable can be effectively avoided, the flame retardant performance of the cable is greatly improved, the cable has a very high oxygen index by adopting low-smoke halogen-free high-flame-retardant polyolefin non-toxic materials with a high oxygen index, the cable is difficult to combust, the thermal protection screen 12 is made of metal composite belt materials, and can crust immediately when the cable is combusted, thereby greatly reduced the intensity of a fire, good flame retardant efficiency has, through fire-retardant polyfluortetraethylene sheath 4, vacuum cavity 5, the setting of cotton 6 of fire prevention and oxygen filler 7 that separates, because fire-retardant polyfluortetraethylene sheath 4 can play insulating effect, and anti flame retardant ability is outstanding, cotton 6 of fire prevention has strengthened the thermal-insulated fire prevention function of cable, cotton 6 inside oxygen filler 7 that separates of the oxygen of cable inside of having discharged of separating of fire prevention, the risk of the inside spontaneous combustion of cable has been stopped, can effectively prevent stretching of the intensity of a fire under the conflagration condition, limit the burning at local range, thereby the security performance has been improved greatly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a 5G data center is fire-retardant type high-speed data cable for system, includes oversheath (1), its characterized in that, oversheath (1) is cylindrical hollow structure, just oversheath (1) inner chamber is provided with compression ring (2) rather than in close contact with, compression ring (2) inner wall is provided with fire-retardant polyvinyl fluoride sheath (4), be provided with fire prevention cotton (6) in fire-retardant polyvinyl fluoride sheath (4), be provided with vacuum cavity (5) between fire prevention cotton (6) and fire-retardant polyvinyl fluoride sheath (4), fire prevention cotton (6) inner chamber is provided with four conductor (8) that are circumference array distribution, and four the inner chamber central point of fire prevention cotton (6) is provided with conductor (8), fire prevention cotton (6) inner chamber is filled has oxygen insulation filler (7), the outer wall of conductor (8) is provided with insulating layer (9), the outer wall of insulating layer (9) is provided with around band (10), be provided with heat protection screen (12) around the outside of band (10), heat protection screen (12) and around being provided with between band (10) and separating oxygen layer (11), heat protection screen (12) outer wall with separate oxygen filler (7) in close contact with.

2. The flame-retardant high-speed data cable for the 5G data center system according to claim 1, wherein a cavity (13) is arranged in the compression resistant ring (2), reinforcing steel (14) distributed in a circumferential array is arranged in an inner cavity of the cavity (13), the reinforcing steel (14) is of an arc-shaped structure, and a support ball (15) is arranged in the arc-shaped cavity of the reinforcing steel (14).

3. The flame-retardant high-speed data cable for the 5G data center system according to claim 1, wherein the compression resistant ring (2) is provided with the protrusions (3) distributed in a circumferential array manner on the outer wall thereof, the outer sheath (1) is provided with grooves corresponding to the protrusions (3) on the inner wall thereof, the protrusions (3) are of a dovetail structure, and the size of the protrusions (3) is matched with the size of the grooves.

4. The flame-retardant high-speed data cable for the 5G data center system according to claim 1, wherein the insulating layer (9) is made of a cross-linked low-smoke halogen-free polyolefin insulating material.

5. The flame-retardant high-speed data cable for the 5G data center system according to claim 1, wherein the oxygen barrier layer (11) and the outer sheath (1) are both made of low-smoke halogen-free high-flame-retardant polyolefin non-toxic materials with high oxygen index.

6. The flame retardant high speed data cable for 5G data center systems according to claim 1, wherein the thermal protection shield (12) is made of a metal composite tape material.