CN218272829U - Flame-retardant high-temperature-resistant 5g optical cable - Google Patents

Abstract

The utility model belongs to the technical field of the optical cable technique and specifically relates to a fire-retardant high temperature resistant 5g optical cable, including optical cable core, insulating layer and protective sheath, the outside cover of optical cable core is equipped with the insulating layer, the outer wall circumference of insulating layer is provided with a plurality of fixed slots of group, all peg graft the flexible post in the fixed slot, the outside parcel of insulating layer has the protective sheath, the protective sheath includes buffer layer A, shielding layer, buffer layer B, insulating layer, fire-retardant layer and wearing layer, protects insulating layer and optical cable core through setting up buffer layer A and buffer block and buffer gear, plays the pressure-bearing cushioning effect, thereby subducts the damage that external impact influenced the optical cable core and reduced the optical cable core and received, through setting up adding the bulletproof wire, can bear bigger tension and not extend or disconnected silk to cooperate with the shielding layer, can effectively resist to radio frequency interference, also can resist external electromagnetic interference.

Description

Flame-retardant high-temperature-resistant 5g optical cable

Technical Field

The utility model relates to an optical cable technical field especially relates to a fire-retardant high temperature resistant 5g optical cable.

Background

Optical fiber cables (optical fiber cables) are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a surrounding jacket as a transmission medium and are telecommunication cable assemblies that may be used individually or in groups. Chinese patent publication No. CN216160883U discloses "a fire-retardant high temperature resistant 5g optical cable", including the optical cable body, the optical cable body is including optical cable sandwich layer, inoxidizing coating, filling layer and performance layer, the filling layer sets up between inoxidizing coating and performance layer, the outer wall of optical cable sandwich layer and the inner wall setting of performance layer, the inoxidizing coating is including fire-retardant layer, stretch-proofing layer and high temperature resistant layer, through setting up insulation shielding layer, insulating layer and enhancement layer, insulation shielding layer is made by a graphite alkene and polyolefin combined material, has good insulation shielding performance to reach and reduce volume resistivity, improve the homogenization electric field, avoid leading to the electric shock phenomenon to take place because of the electric leakage, the insulating layer is made by a polystyrene material, has thermal-insulated effect, in order to increase high temperature resistant performance, the enhancement layer is made by a glass fiber material, has played the intensity of strengthening the optical cable, has reached the effect that the optical cable has insulation shielding, insulates against heat, strengthens the strength performance.

However, the optical cable can only increase the high temperature resistance and the heat insulation performance, and cannot protect the fragile optical cable core, so that the optical cable core is easily damaged by external impact during installation and transportation, and cannot be normally used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the fragile optical cable core of the unable protection of current fire-retardant high temperature resistant 5g optical cable, lead to the optical cable core to be damaged by external impact easily when installation and transportation to shortcoming such as unable normal use, and the fire-retardant high temperature resistant 5g optical cable that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design is a flame-retardant high-temperature-resistant 5g optical cable, which comprises an optical cable core, an insulating layer and a protective sleeve, wherein the insulating layer is sleeved outside the optical cable core, a plurality of groups of fixing grooves are formed in the circumference of the outer wall of the insulating layer, elastic columns are inserted into the fixing grooves, the protective sleeve wraps the outside of the insulating layer, the protective sleeve comprises a buffer layer A, a shielding layer, a buffer layer B, an insulating layer, a flame-retardant layer and a wear-resistant layer, the outer wall of the insulating layer is sleeved with the buffer layer A, the shielding layer wraps the buffer layer A, the insulating layer is sleeved outside the shielding layer, the buffer layer B is arranged between the insulating layer and the shielding layer, the flame-retardant layer is sleeved outside the insulating layer, and the wear-resistant layer is arranged outside the flame-retardant layer.

Preferably, buffer layer B includes that a plurality of groups of circumference set up in the buffer block of shielding layer outer wall, the both sides of buffer block all are provided with buffer gear, buffer gear includes two sets of butt pieces and a set of spring, and is two sets of fixedly connected with spring between the butt piece is two sets of the outer wall of butt shielding layer and the inner wall of insulating layer are distinguished to the butt piece.

Preferably, the insulating layer is a crosslinked polyolefin layer, the buffer layer A is an elastic metal wire mesh with a sawtooth-shaped cross section, the top surface and the bottom surface of the buffer layer A are both metal wire meshes, the elastic wire mesh is also internally provided with the bulletproof wires at uniform intervals, and the shielding layer is a copper wire braid layer.

Preferably, the heat insulation layer is an aerogel layer, the flame retardant layer is an aluminum silicate ceramic fiber layer, and the wear-resistant layer is a PE layer.

Preferably, the buffer block is a strip-shaped rubber block.

The utility model provides a pair of fire-retardant high temperature resistance 5g optical cable, its beneficial effect lies in: the buffer layer A, the buffer block and the buffer mechanism are arranged to protect the insulating layer and the optical cable core, so that a pressure-bearing buffer effect is achieved, and the influence of external impact on the optical cable core is reduced, so that the damage to the optical cable core is reduced; the flame resistance and high temperature resistance of the whole cable are improved by arranging the aluminum silicate ceramic fiber flame-retardant layer and the aerogel heat-insulating layer; by adding the bulletproof wires, the high-tension cable can bear larger tension without stretching or breaking, and is matched with the shielding layer, so that the radio frequency interference can be effectively resisted, and the external electromagnetic interference can be resisted.

Drawings

Fig. 1 is a schematic structural view of a flame-retardant high-temperature-resistant 5g optical cable provided by the present invention;

fig. 2 is a schematic plan view of a flame-retardant high-temperature-resistant 5g optical cable according to the present invention;

fig. 3 is a cross-sectional view of a flame-retardant high-temperature-resistant 5g optical cable provided by the present invention;

fig. 4 is the utility model provides a fire-retardant high temperature resistant 5g optical cable A portion enlargies the structural schematic diagram.

In the figure: 1. an optical cable core; 2. an insulating layer; 3. a fixing groove; 4. an elastic column; 5. a buffer layer A; 6. a shielding layer; 7. a buffer layer B; 8. a thermal insulation layer; 9. a flame retardant layer; 10. a wear resistant layer; 11. a buffer block; 12. a butting block; 13. a spring.

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.

Referring to fig. 1-4, a flame-retardant high-temperature-resistant 5g optical cable comprises an optical cable core 1, an insulating layer 2 and a protective sleeve, wherein the insulating layer 2 is sleeved outside the optical cable core 1, a plurality of groups of fixing grooves 3 are formed in the circumference of the outer wall of the insulating layer 2, elastic columns 4 are inserted in the fixing grooves 3, the protective sleeve is wrapped outside the insulating layer 2 and comprises a buffer layer A5, a shielding layer 6, a buffer layer B7, a heat insulation layer 8, a flame-retardant layer 9 and a wear-resistant layer 10, the buffer layer A5 is sleeved outside the insulating layer 2, the shielding layer 6 is wrapped outside the buffer layer A5, the heat insulation layer 8 is sleeved outside the shielding layer 6, the buffer layer B7 is arranged between the heat insulation layer 8 and the shielding layer 6, the flame-retardant layer 9 is sleeved outside the heat insulation layer 8, the wear-resistant layer 10 is arranged outside the flame-retardant layer 9, the buffer layer A5 and the buffer layer B7 are arranged to protect the insulating layer 2 and the optical cable core 1, a pressure-bearing buffer effect is achieved, and external impact is reduced, so that the optical cable core 1 is directly affected by the optical cable core 1; the flame-retardant layer 9 and the heat insulation layer 8 are arranged to improve the overall flame-retardant and high-temperature-resistant performance of the cable.

Buffer layer B includes that a plurality of groups of circumferences set up in the buffer block 11 of 6 outer walls of shielding layer, the both sides of buffer block 11 all are provided with buffer gear, buffer gear includes two sets of butt piece 12 and a set of spring 13, fixedly connected with spring 13 between two sets of butt piece 12, two sets of butt piece 12 are the outer wall of butt shielding layer 6 and the inner wall of insulating layer 8 respectively, thereby it influences the damage that reduction optical cable core 1 received to subdue the external impact through the spring 13 cooperation in buffer block 11 and the buffer gear.

Insulating layer 2 is the crosslinked polyolefin layer, and buffer layer A5 is the elastic metal silk screen that the cross-section is the cockscomb structure, and its top surface and bottom surface are metal silk screen, still evenly spaced is provided with the bulletproof silk in this elastic metal silk screen, and shielding layer 6 is the copper wire weaving layer, adds the bulletproof silk through the setting, can bear bigger tension and not extend or disconnected silk to cooperate with shielding layer 6, can effectively resist to radio frequency interference, also can resist external electromagnetic interference.

The heat insulation layer 8 is an aerogel layer, the flame retardant layer 9 is an aluminum silicate ceramic fiber layer, and the wear-resistant layer 10 is a PE layer.

The buffer block 11 is a strip-shaped rubber block.

The utility model discloses, protect insulating layer 2 and optical cable core 1 through setting up buffer layer A5 and through buffer block 11 and the cooperation of spring 13 in the buffer gear during the use, play the pressure-bearing cushioning effect, subdue the external impact and influence the optical cable core 1 and reduce the damage that optical cable core 1 received; the flame-retardant layer 9 and the heat-insulating layer 8 are arranged to improve the overall flame resistance and high temperature resistance of the cable, the bulletproof wires are added through setting, the cable can bear larger tension without stretching or breaking, and the bulletproof wires are matched with the shielding layer 6, so that the cable can effectively resist radio frequency interference and can resist external electromagnetic interference.

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 (5)

1. The utility model provides a fire-retardant high temperature resistant 5g optical cable, includes optical cable core (1), insulating layer (2) and protective sheath, a serial communication port, the outside cover of optical cable core (1) is equipped with insulating layer (2), the outer wall circumference of insulating layer (2) is provided with a plurality of groups fixed slot (3), all peg graft in fixed slot (3) flexible post (4), the outside parcel of insulating layer (2) has the protective sheath, the protective sheath includes buffer layer A (5), shielding layer (6), buffer layer B (7), insulating layer (8), fire-retardant layer (9) and wearing layer (10), the outer wall of insulating layer (2) is located to buffer layer A (5) cover, shielding layer (6) wrap up outside buffer layer A (5), the outside cover of shielding layer (6) is equipped with insulating layer (8), be provided with buffer layer B (7) between insulating layer (8) and shielding layer (6), the outside cover of insulating layer (8) is equipped with fire-retardant layer (9), the outside of fire-retardant layer (9) is provided with wearing layer (10).

2. The flame-retardant high-temperature-resistant 5g optical cable according to claim 1, wherein the buffer layer B comprises a plurality of sets of buffer blocks (11) circumferentially arranged on the outer wall of the shielding layer (6), buffer mechanisms are arranged on both sides of the buffer blocks (11), each buffer mechanism comprises two sets of abutting blocks (12) and a set of springs (13), each spring (13) is fixedly connected between the two sets of abutting blocks (12), and the two sets of abutting blocks (12) abut against the outer wall of the shielding layer (6) and the inner wall of the heat insulation layer (8) respectively.

3. The flame-retardant high-temperature-resistant 5g optical cable according to claim 1, wherein the insulating layer (2) is a crosslinked polyolefin layer, the buffer layer A (5) is an elastic metal wire mesh with a saw-toothed cross section, the top surface and the bottom surface of the buffer layer A are both metal wire meshes, bulletproof wires are uniformly arranged in the elastic wire mesh at intervals, and the shielding layer (6) is a copper wire braid layer.

4. A flame-retardant high-temperature-resistant 5g optical cable according to claim 1, wherein the thermal insulation layer (8) is an aerogel layer, the flame-retardant layer (9) is an alumina silicate ceramic fiber layer, and the wear-resistant layer (10) is a PE layer.

5. A flame-retardant high-temperature-resistant 5g optical cable according to claim 2, wherein the buffer block (11) is a strip-shaped rubber block.

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