CN220271618U - Fireproof self-supporting optical cable - Google Patents
Fireproof self-supporting optical cable Download PDFInfo
- Publication number
- CN220271618U CN220271618U CN202321761456.0U CN202321761456U CN220271618U CN 220271618 U CN220271618 U CN 220271618U CN 202321761456 U CN202321761456 U CN 202321761456U CN 220271618 U CN220271618 U CN 220271618U
- Authority
- CN
- China
- Prior art keywords
- fire
- accommodating cavity
- inner sleeve
- optical
- protective layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 38
- 239000011241 protective layer Substances 0.000 claims abstract description 21
- 239000010410 layer Substances 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 18
- 239000013307 optical fiber Substances 0.000 claims abstract description 18
- 239000003063 flame retardant Substances 0.000 claims abstract description 17
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- AQPHBYQUCKHJLT-UHFFFAOYSA-N 1,2,3,4,5-pentabromo-6-(2,3,4,5,6-pentabromophenyl)benzene Chemical group BrC1=C(Br)C(Br)=C(Br)C(Br)=C1C1=C(Br)C(Br)=C(Br)C(Br)=C1Br AQPHBYQUCKHJLT-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000009970 fire resistant effect Effects 0.000 claims 7
- 230000002265 prevention Effects 0.000 claims 1
- 238000005253 cladding Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model discloses a fireproof self-supporting optical cable which comprises an outer sheath, a protective layer, a flame-retardant layer, a reinforcing piece, a filling rope and an optical transmission unit, wherein the outer sheath is arranged on the outer sheath; the outer sheath is in an 8 shape and comprises a first main body part, a connecting part and a second main body part which are sequentially and integrally connected; the reinforcement is arranged in the accommodating cavity and is positioned in the center of the accommodating cavity; the filling rope and the light transmission units are arranged in the accommodating cavity and distributed on the periphery of the reinforcing piece, the light transmission units comprise an inner sleeve, optical fibers and fiber paste, the inner sleeve is arranged in the accommodating cavity, the optical fibers are arranged in the inner sleeve, and the fiber paste is filled in the inner sleeve and wraps the optical fibers. Through cladding the protective layer on the surface of oversheath, again with fire-retardant layer cladding on the surface of protective layer for when the cable of winding displacement next to the optical cable takes place the short circuit and burns, fire-retardant layer can form the guard action to the optical cable, prevents that the optical cable from receiving next cable influence and burning, leads to the optical cable unable use.
Description
Technical Field
The utility model relates to the technical field of optical cables, in particular to a fireproof self-supporting optical cable.
Background
Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications by utilizing one or more optical fibers disposed in a covering sheath as a transmission medium and may be used alone or in groups of communication cable assemblies. The optical cable mainly comprises optical fibers (glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper aluminum and the like are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line for realizing optical signal transmission, wherein a certain number of optical fibers form a cable core in a certain mode, a sheath is covered outside the cable core, and an outer protective layer is covered outside the cable core. With the advent of the information age, the transmission amount of information has been increased explosively, and as an effective means for large-capacity and long-distance transmission, optical fiber cables have been widely and largely applied, and the application of optical fiber cables has also gradually been developed from long-distance trunks to metropolitan area networks and access networks.
Because the application range of the optical cable is wider, the optical cable is outdoor under the general condition, the outdoor environment is more complex, the optical cable is easy to damage outdoors, and in order to facilitate the wiring, the optical cable can be wired together with the cable under most conditions, and if the cable is short-circuited and burnt, the optical cable can be influenced by the cable to burn, so that the optical cable cannot be used. Accordingly, there is a need for improvements over existing fiber optic cables.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide a fireproof self-supporting optical cable, which can effectively solve the problem that the optical cable is easy to be damaged outdoors, and when the cable is burnt due to short circuit, the optical cable is burnt due to the influence of the cable, so that the optical cable cannot be used.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a fireproof self-supporting optical cable comprises an outer sheath, a protective layer, a flame retardant layer, a reinforcing piece, a filling rope and an optical transmission unit; the outer sheath is 8-shaped and comprises a first main body part, a connecting part and a second main body part which are sequentially and integrally connected, wherein the first main body part is provided with a containing cavity, and a plurality of steel wires are arranged in the second main body part; the protective layer is coated on the surface of the outer sheath; the flame-retardant layer is coated on the surface of the protective layer; the reinforcement is arranged in the accommodating cavity and is positioned in the center of the accommodating cavity; the filling rope and the light transmission units are arranged in the accommodating cavity and distributed on the periphery of the reinforcing piece, the light transmission units comprise an inner sleeve, optical fibers and fiber paste, the inner sleeve is arranged in the accommodating cavity, the optical fibers are arranged in the inner sleeve, and the fiber paste is filled in the inner sleeve and wraps the optical fibers.
As a preferred solution, it further comprises a tearing rope, which is arranged in the accommodation cavity.
As a preferred solution, a cable paste is further included, which fills the receiving cavity and completely encloses the reinforcement, the filling cord and the light transmission unit.
As a preferable scheme, the reinforcement is made of TPU material.
As a preferable scheme, the protective layer is an aramid woven layer.
As a preferable scheme, the flame-retardant layer is made of decabromodiphenyl acid.
As a preferable mode, a steel belt is arranged in the connecting part.
As a preferred embodiment, the plurality of steel wires are twisted together.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
through cladding the protective layer on the surface of oversheath, again with fire-retardant layer cladding on the surface of protective layer for when the cable of winding displacement next to the optical cable takes place the short circuit and burns, fire-retardant layer can form the guard action to the optical cable, prevents that the optical cable from receiving next cable influence and burning, leads to the optical cable unable use.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the following detailed description of the utility model is made with reference to the accompanying drawings and to the specific embodiments:
drawings
FIG. 1 is a cross-sectional view of a preferred embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. outer sheath 11, first body part
111. Accommodation chamber 12, connection portion
13. Second body portion 14, steel wire
15. Steel strip 20, protective layer
30. Flame retardant layer 40, reinforcement
50. Fill cord 60, light transmission unit
61. Inner tube 62, optical fiber
63. Fiber paste 70 and tearing rope
80. And (5) cable paste.
Detailed Description
Referring to FIG. 1, a specific structure of a preferred embodiment of the present utility model is shown, which comprises an outer sheath 10, a protective layer 20, a flame retardant layer 30, a reinforcement 40, a filling cord 50 and a light transmission unit 60.
The outer sheath 10 is in an 8 shape and comprises a first main body part 11, a connecting part 12 and a second main body part 13 which are sequentially connected in an integrated manner, wherein the first main body part 11 is provided with a containing cavity 111, and a plurality of steel wires 14 are arranged in the second main body part 13; in this embodiment, a steel strip 15 is provided in the connecting portion 12, and the plurality of steel wires 14 are twisted together.
The protective layer 20 is coated on the surface of the outer sheath 10; in this embodiment, the protective layer 20 is an aramid woven layer.
The flame retardant layer 30 is coated on the surface of the protective layer 20; in this embodiment, the flame retardant layer 30 is decabromodiphenyl acid.
The reinforcement 40 is disposed in the accommodating chamber 111 and is located at a central position of the accommodating chamber 111; in this embodiment, the stiffener 40 is made of TPU.
The filling cord 50 and the light transmission units 60 are disposed in the accommodating cavity 111 and distributed on the periphery of the stiffener 40, the light transmission units 60 include an inner sleeve 61, an optical fiber 62 and a fiber paste 63, the inner sleeve 61 is disposed in the accommodating cavity 111, the optical fiber 62 is disposed in the inner sleeve, and the fiber paste 63 is filled in the inner sleeve 61 and wraps the optical fiber 62.
And, further includes a tearing string 70 and a cable paste 80, the tearing string 70 being disposed in the receiving cavity 111, the cable paste 80 being filled in the receiving cavity 111 and completely wrapping the reinforcement 40, the filling string 50 and the light transmission unit 60.
The design focus of the utility model is that: through cladding the protective layer on the surface of oversheath, again with fire-retardant layer cladding on the surface of protective layer for when the cable of winding displacement next to the optical cable takes place the short circuit and burns, fire-retardant layer can form the guard action to the optical cable, prevents that the optical cable from receiving next cable influence and burning, leads to the optical cable unable use.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (8)
1. The utility model provides a fire prevention formula self-supporting optical cable which characterized in that: comprises an outer sheath, a protective layer, a flame retardant layer, a reinforcing piece, a filling rope and an optical transmission unit; the outer sheath is 8-shaped and comprises a first main body part, a connecting part and a second main body part which are sequentially and integrally connected, wherein the first main body part is provided with a containing cavity, and a plurality of steel wires are arranged in the second main body part; the protective layer is coated on the surface of the outer sheath; the flame-retardant layer is coated on the surface of the protective layer; the reinforcement is arranged in the accommodating cavity and is positioned in the center of the accommodating cavity; the filling rope and the light transmission units are arranged in the accommodating cavity and distributed on the periphery of the reinforcing piece, the light transmission units comprise an inner sleeve, optical fibers and fiber paste, the inner sleeve is arranged in the accommodating cavity, the optical fibers are arranged in the inner sleeve, and the fiber paste is filled in the inner sleeve and wraps the optical fibers.
2. The fire-resistant self-supporting fiber optic cable according to claim 1, wherein: further comprises a tearing rope which is arranged in the accommodating cavity.
3. The fire-resistant self-supporting fiber optic cable according to claim 1, wherein: further comprising a cable paste filled in the accommodating cavity and completely wrapping the reinforcement, the filling rope and the light transmission unit.
4. The fire-resistant self-supporting fiber optic cable according to claim 1, wherein: the reinforcement is made of TPU material.
5. The fire-resistant self-supporting fiber optic cable according to claim 1, wherein: the protective layer is an aramid woven layer.
6. The fire-resistant self-supporting fiber optic cable according to claim 1, wherein: the flame-retardant layer is made of decabromodiphenyl acid.
7. The fire-resistant self-supporting fiber optic cable according to claim 1, wherein: and a steel belt is arranged in the connecting part.
8. The fire-resistant self-supporting fiber optic cable according to claim 1, wherein: the plurality of steel wires are twisted together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321761456.0U CN220271618U (en) | 2023-07-05 | 2023-07-05 | Fireproof self-supporting optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321761456.0U CN220271618U (en) | 2023-07-05 | 2023-07-05 | Fireproof self-supporting optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220271618U true CN220271618U (en) | 2023-12-29 |
Family
ID=89317902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321761456.0U Active CN220271618U (en) | 2023-07-05 | 2023-07-05 | Fireproof self-supporting optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220271618U (en) |
-
2023
- 2023-07-05 CN CN202321761456.0U patent/CN220271618U/en active Active
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