CN115691885A - Flame-retardant waterproof photoelectric composite cable - Google Patents
Flame-retardant waterproof photoelectric composite cable Download PDFInfo
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- CN115691885A CN115691885A CN202211257249.1A CN202211257249A CN115691885A CN 115691885 A CN115691885 A CN 115691885A CN 202211257249 A CN202211257249 A CN 202211257249A CN 115691885 A CN115691885 A CN 115691885A
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Abstract
The invention discloses a flame-retardant waterproof photoelectric composite cable which comprises a composite cable core, a flame-retardant lamination layer and a waterproof lamination layer, wherein the composite cable core comprises a central hollow framework, two cable cores and an optical cable core are respectively arranged on the hollow framework, and an inner sheath is arranged outside each of the two cable cores and the optical cable core; a fire extinguishing area is arranged between the waterproof laminated layer and the flame-retardant laminated layer; the waterproof laminate includes a waterproof layer connected to the fire-extinguishing layer. According to the invention, through the double flame retardance, the double waterproof performance and the inner sheath, the good flame retardance and the good waterproof performance of the photoelectric composite cable are realized, the influence of external high temperature on the inner cable core can be isolated through the heat insulation layer, the damage of the inner cable core caused by the high temperature in a fire disaster is avoided, the composite cable is burnt by a big fire, the fire extinguishing layer and the fire extinguishing strip are burnt, the fire extinguishing agent in the composite cable is leaked, the flame is prevented from continuously spreading on the composite cable, the flame retardance is improved, the service life of the composite cable is prolonged, and the use cost is reduced.
Description
Technical Field
The invention mainly relates to the technical field of photoelectric composite cables, in particular to a flame-retardant waterproof photoelectric composite cable.
Background
With the continuous development of society and the continuous development of scientific level, the internet information age rises rapidly, the composite cable becomes an indispensable part in industry and life, and the most representative of the composite cables is the photoelectric composite cable. The photoelectric composite cable is a novel cable integrating optical fibers and power transmission lines, and can meet the power transmission and signal transmission requirements of equipment at one time.
With the soaring of the power information industry, the application of the photoelectric composite cable permeates into various fields of life, so that the photoelectric composite cable needs to deal with a plurality of adverse working environments, but the existing photoelectric composite cable has the defects of unobvious performances such as flame retardance, waterproofness and the like, so that the service life of the photoelectric composite cable is short, and the use cost is increased.
Disclosure of Invention
The invention mainly provides a flame-retardant waterproof photoelectric composite cable, which is used for solving the technical problems that the existing photoelectric composite cable is not outstanding in performances such as flame retardance, waterproofness and the like, so that the service life of the photoelectric composite cable is short and the use cost is increased in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a flame-retardant waterproof photoelectric composite cable comprises a composite cable core, a flame-retardant lamination layer and a waterproof lamination layer, wherein the composite cable core comprises a central hollow framework, two cable cores and one optical cable core are respectively arranged on the hollow framework, and inner jackets are respectively arranged outside the two cable cores and the optical cable core; the composite cable core is positioned in the flame-retardant laminated layer, the flame-retardant laminated layer comprises an outermost outer flame-retardant layer, a heat dissipation layer is arranged on the inner wall of the outer flame-retardant layer, a plurality of heat conducting fins distributed at equal intervals are arranged on the inner wall of the heat dissipation layer, a heat insulation layer and an inner flame-retardant layer are connected between every two adjacent heat conducting fins, and the heat insulation layer is connected with the heat dissipation layer; the fire-retardant laminated layer is positioned inside the waterproof laminated layer, a fire extinguishing area is arranged between the waterproof laminated layer and the fire-retardant laminated layer and comprises a fire extinguishing layer, a plurality of fire extinguishing strips are buried inside the fire extinguishing layer, each fire extinguishing strip is formed by connecting a plurality of connecting blocks, and a fire extinguishing agent is stored inside each connecting block; the waterproof laminated layer comprises a waterproof layer connected with the fire-extinguishing layer, the waterproof layer is sleeved with a stretch-resistant layer, the outer wall of the stretch-resistant layer is provided with a plurality of uniformly distributed grooves, and each groove is filled with a water absorption block.
Preferably, an insulating layer is arranged between the cable core and the inner sheath, and an insulating arranging pipe is arranged between the optical cable core and the inner sheath.
Preferably, a pressure reducing pad is disposed between the hollow frame and each inner sheath, and the pressure reducing pad is mounted on the hollow frame.
Preferably, the composite cable core is filled with heat dissipation silicone adhesive, and one end of the heat conducting fin is located inside the heat dissipation silicone adhesive.
Preferably, the inner sheath is a ceramic silicone rubber sheath, and water-blocking powder is coated on the surface of the inner sheath.
Preferably, the water absorption block is made of high water absorption resin, and the fire extinguishing agent is a dry powder fire extinguishing agent.
Preferably, the waterproof laminated layer is sleeved with a wear-resistant protective sleeve.
Compared with the prior art, the invention has the beneficial effects that:
(1) The inner flame-retardant layer and the outer flame-retardant layer are adopted, the better flame-retardant effect is realized through double flame retardance, when the wear-resistant protective sleeve permeates water, part of water enters the groove and contacts with the water absorption block, the water absorption block absorbs the water, the rest water can be blocked by the waterproof layer, the double waterproof effect is realized, the good waterproof effect is realized, the inner sheath is adopted, the ceramic silicon rubber sleeve coated with the water-blocking powder has good flame retardance and waterproof property, the innermost layer protection is realized, the cable core and the optical cable core are protected from being damaged, the good flame retardance and waterproof property of the photoelectric composite cable are realized through multiple protection, the service life of the photoelectric composite cable is prolonged, and the use cost is reduced;
(2) The composite cable is burnt by big fire, so that the fire extinguishing layer is burnt, the fire extinguishing strips in the fire extinguishing layer are exposed, the connecting block is burnt, the fire extinguishing agent in the fire extinguishing layer leaks out to prevent flame from continuously spreading on the composite cable, and therefore good fire resistance of the composite cable is achieved;
(3) Adopt the insulating layer, can effectively completely cut off external high temperature to the influence of inside cable core, when avoiding the conflagration, high temperature causes the damage of inside cable core, and when cable core self long-time operation produced heat, can carry the heat to dispel the heat on the heat dissipation layer through heat dissipation silicone grease and conducting strip, avoid inside high temperature, guaranteed the effective use of cable core, and in the radiating, can evaporate the water on the composite cable, improved composite cable's waterproof nature.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a wear-resistant protective sleeve, fire suppression zone and waterproof laminate of the present invention;
FIG. 3 is an enlarged view of the invention at A;
FIG. 4 is a schematic cross-sectional view of a composite cable core of the present invention;
FIG. 5 is a schematic cross-sectional view of a flame retardant laminate of the present invention.
Description of the drawings: 1. a composite cable core; 11. a hollow frame; 12. an inner sheath; 13. a cable core; 14. an optical cable core; 15. an insulating layer; 16. an insulating mounting tube; 17. a pressure reducing pad; 18. heat-dissipating silicone gum; 2. flame retardant lamination; 21. an inner flame retardant layer; 22. an outer flame retardant layer; 23. a thermal insulation layer; 24. a heat dissipation layer; 25. a heat conductive sheet; 3. waterproof lamination; 31. a waterproof layer; 32. a stretch resistant layer; 33. a groove; 34. a water-absorbing block; 4. a fire extinguishing zone; 41. a fire extinguishing strip; 42. a fire extinguishing agent; 43. a fire extinguishing layer; 5. wear-resisting lag.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of such term knowledge in the specification of the invention is for the purpose of describing particular embodiments and is not intended to be limiting of the invention, and the use of the term "and/or" herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 4, the present invention provides a technical solution: a flame-retardant waterproof photoelectric composite cable comprises a composite cable core 1, a flame-retardant laminated layer 2 and a waterproof laminated layer 3, wherein the composite cable core 1 comprises a hollow framework 11 at the center, the hollow framework 11 is used for supporting and separating, two cable cores 13 and one optical cable core 14 are respectively arranged on the hollow framework 11, an inner sheath 12 is arranged outside each of the two cable cores 13 and the optical cable core 14, the inner sheath 12 is a ceramic silicone rubber sheath, water blocking powder is coated on the surface of the inner sheath 12, the ceramic silicone rubber sheath coated with the water blocking powder has good flame retardance and waterproofness, the cable cores 13 and the optical cable cores 14 are protected from being damaged, an insulating layer 15 is arranged between the cable cores 13 and the inner sheath 12, an insulating arranging pipe 16 is arranged between the optical cable cores 14 and the inner sheath 12, the insulating layer 15 and the insulating arranging pipe 16 ensure good insulativity, interference of external electromagnetic waves on the cable cores is effectively avoided, meanwhile, interference of the cable cores 13 and the optical cable cores 14 on the outside is also avoided, a decompression pad 17 is arranged on the hollow framework 11, and the decompression pad 17 can relieve the external pressure and enhance the impact resistance of the cable cores 13 or the cable cores 14.
Please refer to fig. 1, 4 and 5, the composite cable core 1 is located inside the flame retardant laminate 2, the flame retardant laminate 2 includes an outermost outer flame retardant layer 22, a heat dissipation layer 24 is disposed on an inner wall of the outer flame retardant layer 22, a plurality of heat conduction fins 25 are disposed on an inner wall of the heat dissipation layer 24, a heat insulation layer 23 and an inner flame retardant layer 21 are connected between every two adjacent heat conduction fins 25, the heat insulation layer 23 is connected with the heat dissipation layer 24, the composite cable core 1 is filled with heat dissipation silicone adhesive 18, and one end of each heat conduction fin 25 is located inside the heat dissipation silicone adhesive 18, the heat dissipation silicone adhesive 18 can further increase heat dissipation efficiency, the heat insulation layer 23 can effectively isolate the influence of external high temperature on the inner cable core, thereby avoiding the damage of the inner cable core caused by high temperature during fire, when the cable core runs for a long time to generate heat, the heat can be transferred to the heat dissipation layer 24 through the heat dissipation silicone adhesive 18 and the heat conduction fins 25 to dissipate heat, thereby avoiding the internal high temperature, ensuring effective use of the composite cable, and improving the flame retardant and the flame retardant effect of the flame retardant layer 21 and the outer flame retardant cable core, and achieving better dual flame retardant effect.
Please refer to fig. 1-3, the fire-retardant laminated layer 2 is located inside the waterproof laminated layer 3, a fire extinguishing area 4 is arranged between the waterproof laminated layer 3 and the fire-retardant laminated layer 2, the fire extinguishing area 4 includes a fire extinguishing layer 43, the fire extinguishing layer 43 can be made of a combustible material with certain heat resistance in actual production, a plurality of fire extinguishing strips 41 are embedded inside the fire extinguishing layer 43, each fire extinguishing strip 41 is formed by connecting a plurality of connecting blocks, a fire extinguishing agent 42 is stored inside each connecting block, the fire extinguishing agent 42 is a dry powder fire extinguishing agent, and the connecting blocks are used for storage, so as to better store the dry powder fire extinguishing agent and reduce the influence of the outside on the dry powder fire extinguishing agent. When a fire disaster occurs, the fire extinguishing layer 43 burns due to the burning of the big fire, the fire extinguishing strips 41 inside the fire extinguishing layer are exposed, the connecting blocks are burnt, the fire extinguishing agent 42 inside the fire extinguishing layer leaks out, the flame is prevented from continuously spreading on the composite cable, and therefore the good fire resistance of the composite cable is achieved.
Please refer to fig. 1-3, the waterproof layer 3 includes a waterproof layer 31 connected to a fire extinguishing layer 43, a stretch-proof layer 32 is sleeved outside the waterproof layer 31, the stretch-proof layer 32 may be made of anti-cracking rubber to increase the structural strength of the composite cable, a plurality of grooves 33 are formed in the outer wall of the stretch-proof layer 32, each groove 33 is filled with a water absorbing block 34, the design of the grooves 33 prevents water absorbed by the water absorbing blocks 34 from being squeezed out, the water absorbing blocks 34 are made of super absorbent resin, the super absorbent resin can absorb water several hundred times to thousand times of its own weight, and the super absorbent resin is non-toxic, harmless, pollution-free, very strong in water absorbing capacity and very high in water retaining capacity, a high molecular weight polymer → high water retaining capacity obtained by acrylic polymerization, the balance of the absorption capacity under high load, the absorbed water cannot be squeezed out by a simple physical method, and can repeatedly release water and absorb water, when the wear-resistant protective sleeve 5 permeates water, a part of the water enters the grooves 33 and contacts the water absorbing blocks 34, the water absorbing blocks 34 absorb water, the remaining water is absorbed by the double physical method, the water, the waterproof layer 31 can absorb water, and the composite cable can prevent fire and can absorb water after fire. 3 overcoat of waterproof stromatolite is equipped with wear-resisting lag 5, and wear-resisting lag 5 realizes avoiding wearing and tearing to damage composite cable inner structure to the outmost protection of composite cable.
The specific operation flow of the invention is as follows:
in actual use of the photoelectric composite cable, if water is encountered, water permeates the wear-resistant protective sleeve 5, part of water enters the groove 33 and contacts the water absorption block 34, the water absorption block 34 absorbs the water, the rest of water is blocked by the waterproof layer 31, double waterproofing is realized, good waterproofness is realized, if fire is encountered, the water in the water absorption block 34 can block fire, the fire burns the composite cable, the fire extinguishing layer 43 burns, the fire extinguishing strips 41 in the fire extinguishing layer are exposed, the connecting blocks are burnt, the fire extinguishing agent 42 in the fire extinguishing layer leaks, flame is prevented from continuously spreading on the composite cable, the thermal insulation layer 23 is adopted, the influence of external high temperature on the inner cable core can be effectively isolated, the damage of the inner cable core caused by the high temperature in the case of fire is avoided, the inner sheath 12 is a ceramic silicon rubber sheath, the water blocking powder is coated on the surface of the inner sheath, the ceramic silicon rubber sheath coated with the water blocking powder has good flame retardance and waterproofness, the protection of the innermost layer is realized, and the optical cable core 13 and the optical cable 14 are protected from being damaged.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.
Claims (7)
1. The utility model provides a fire-retardant waterproof photoelectric composite cable, includes composite cable core (1), fire-retardant stromatolite (2), waterproof stromatolite (3), its characterized in that: the composite cable core (1) comprises a hollow framework (11) at the center, two cable cores (13) and an optical cable core (14) are respectively arranged on the hollow framework (11), and an inner sheath (12) is arranged outside each of the two cable cores (13) and the optical cable core (14);
the composite cable core (1) is positioned inside the flame-retardant laminated layer (2), the flame-retardant laminated layer (2) comprises an outermost outer flame-retardant layer (22), a heat dissipation layer (24) is arranged on the inner wall of the outer flame-retardant layer (22), a plurality of heat conduction fins (25) distributed at equal intervals are arranged on the inner wall of the heat dissipation layer (24), a heat insulation layer (23) and an inner flame-retardant layer (21) are connected between every two adjacent heat conduction fins (25), and the heat insulation layer (23) is connected with the heat dissipation layer (24);
the fire-retardant laminated layer (2) is positioned inside the waterproof laminated layer (3), a fire extinguishing area (4) is arranged between the waterproof laminated layer (3) and the fire-retardant laminated layer (2), the fire extinguishing area (4) comprises a fire extinguishing layer (43), a plurality of fire extinguishing strips (41) are buried inside the fire extinguishing layer (43), each fire extinguishing strip (41) is formed by connecting a plurality of connecting blocks, and a fire extinguishing agent (42) is stored inside each connecting block;
the waterproof laminated layer (3) comprises a waterproof layer (31) connected with a fire extinguishing layer (43), a stretch-resistant layer (32) is sleeved outside the waterproof layer (31), a plurality of uniformly distributed grooves (33) are formed in the outer wall of the stretch-resistant layer (32), and each groove (33) is filled with a water absorbing block (34).
2. The flame-retardant waterproof photoelectric composite cable according to claim 1, wherein: an insulating layer (15) is arranged between the cable core (13) and the inner sheath (12), and an insulating arranging pipe (16) is arranged between the optical cable core (14) and the inner sheath (12).
3. The flame-retardant waterproof photoelectric composite cable according to claim 1, wherein: a pressure reducing pad (17) is arranged between the hollow framework (11) and each inner sheath (12), and the pressure reducing pad (17) is installed on the hollow framework (11).
4. The flame-retardant waterproof photoelectric composite cable according to claim 1, wherein: the composite cable core (1) is filled with heat dissipation silicone rubber (18), and one end of the heat conducting fin (25) is located inside the heat dissipation silicone rubber (18).
5. The flame-retardant waterproof photoelectric composite cable according to claim 1, wherein: the inner sheath (12) is a ceramic silicon rubber sheath, and water-blocking powder is coated on the surface of the inner sheath.
6. The flame-retardant waterproof photoelectric composite cable according to claim 1, wherein: the water absorption block (34) is made of high water absorption resin, and the fire extinguishing agent (42) is a dry powder fire extinguishing agent.
7. The flame-retardant waterproof photoelectric composite cable according to claim 1, wherein: and a wear-resistant protective sleeve (5) is sleeved outside the waterproof laminated layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211257249.1A CN115691885A (en) | 2022-10-14 | 2022-10-14 | Flame-retardant waterproof photoelectric composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211257249.1A CN115691885A (en) | 2022-10-14 | 2022-10-14 | Flame-retardant waterproof photoelectric composite cable |
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| Publication Number | Publication Date |
|---|---|
| CN115691885A true CN115691885A (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211257249.1A Pending CN115691885A (en) | 2022-10-14 | 2022-10-14 | Flame-retardant waterproof photoelectric composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115691885A (en) |
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2022
- 2022-10-14 CN CN202211257249.1A patent/CN115691885A/en active Pending
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