CN219936156U - Quick access dry nonmetal optical cable - Google Patents
Quick access dry nonmetal optical cable Download PDFInfo
- Publication number
- CN219936156U CN219936156U CN202320931602.3U CN202320931602U CN219936156U CN 219936156 U CN219936156 U CN 219936156U CN 202320931602 U CN202320931602 U CN 202320931602U CN 219936156 U CN219936156 U CN 219936156U
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- Prior art keywords
- flame
- optical
- retardant
- water
- quick access
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- 230000003287 optical effect Effects 0.000 title claims abstract description 59
- 229910052755 nonmetal Inorganic materials 0.000 title claims abstract description 12
- 239000003063 flame retardant Substances 0.000 claims abstract description 31
- 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 26
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 239000010445 mica Substances 0.000 claims abstract description 10
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 10
- 239000013307 optical fiber Substances 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 4
- 239000004760 aramid Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 23
- 238000009826 distribution Methods 0.000 abstract description 12
- 238000005253 cladding Methods 0.000 description 5
- 235000019353 potassium silicate Nutrition 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to the technical field of optical cables, in particular to a quick-access dry nonmetal optical cable, which comprises a plurality of flame-retardant optical units, wherein each flame-retardant optical unit sequentially comprises one or more colored optical fibers, a water-blocking aramid fiber layer and an inner sheath from inside to outside, the outer side of each flame-retardant optical unit is coated with a mica tape, the outer side of each mica tape is coated with a water-blocking glass yarn, the outer side of each water-blocking glass yarn is coated with an outer sheath, and the outer surface of each outer sheath is provided with a groove. According to the utility model, the flame-retardant optical unit is adopted, so that the flame retardant performance of the optical cable is improved, the water-blocking aramid fiber is used as a reinforcing piece, the excellent tensile property is realized, the optical unit can be directly used in a short-distance overhead manner in a middle offline manner, and the convenience of construction is improved; the optical distribution box can be torn from the groove of the outer sheath, is directly connected into the optical distribution box, and has the advantages of reducing optical link loss, improving line quality, improving construction convenience, reducing construction time and improving construction efficiency.
Description
Technical Field
The utility model relates to the technical field of optical cables, in particular to a quick access dry nonmetal optical cable.
Background
After the development of digital economies, there are many new connection requirements, fiber optic cables being the most fundamental connection resource. Access cables are generally classified into access trunk cables and access distribution cables. Therefore, when facing different application places or wiring environments, for example, the integrated service bureau station goes to a trunk light distributing box or goes to an access point machine room or a building, the applied optical cable is mainly an outdoor optical cable, and the number of the large cores is large; the optical cable from the trunk light distributing box to the wiring light distributing box adopts indoor and outdoor optical cables, and needs higher flame retardance and lateral pressure resistance; finally, the optical cable is introduced into a family residence, a government and enterprise building, a government and enterprise private line node, a wireless base station and the like by a distribution optical distribution box, and then an indoor optical cable is required to be used, and the optical cable is required to have high flame retardant performance. The mode of switching different types of optical cables by adopting a joint connection mode is likely to reduce the reliability of a communication system, increase the optical attenuation of a line, reduce the quality and the construction efficiency of the line and increase the construction and maintenance cost.
Disclosure of Invention
The utility model solves the problems in the related art, and provides the quick access dry nonmetal optical cable, which adopts the flame-retardant optical unit, so that the flame retardant property of the optical cable is improved, and the waterproof aramid fiber is used as a reinforcing piece, has excellent tensile property, can adopt a mode of intermediate line-down, directly carries out short-distance overhead use on the optical unit, and increases the convenience of construction; the optical distribution box can be torn from the groove of the outer sheath, is directly connected into the optical distribution box, and has the advantages of reducing optical link loss, improving line quality, improving construction convenience, reducing construction time and improving construction efficiency.
In order to solve the technical problems, the utility model is realized by the following technical scheme: the utility model provides a quick access dry-type nonmetal optical cable, includes a plurality of fire-retardant optical unit, fire-retardant optical unit includes one or more coloring optic fibre, the aramid fiber layer that blocks water and inner sheath from interior to exterior in proper order, the outside cladding mica tape of fire-retardant optical unit, the outside cladding of mica tape blocks water glass yarn, the outside cladding oversheath of blocking water glass yarn, the surface of oversheath has seted up the groove.
Preferably, the water-blocking glass yarn is replaced by a nonmetallic reinforcing layer.
As a preferable scheme, the nonmetallic reinforcing layer is made of water-blocking aramid fibers.
As an optimal scheme, the inner sheath and the outer sheath are made of high-flame-retardance low-smoke halogen-free materials.
Preferably, the groove is a V-groove or a U-groove.
Preferably, the flame retardant light unit is all dry.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The adoption of the flame-retardant optical unit not only improves the flame retardant property of the optical cable, but also has excellent tensile property because the optical unit adopts the water-blocking aramid fiber as the reinforcing piece, and can directly carry out short-distance overhead use on the optical unit in a middle offline mode, thereby improving the construction convenience, improving the construction efficiency and saving the construction cost;
(2) The water-blocking glass yarn is not easy to transversely break, has excellent hydrophilic expansion performance, can enhance the tensile resistance of the optical cable and provides a certain lateral pressure resistance;
(3) The surface of the outer sheath is grooved, the lines from the main light distribution box to the wiring light distribution box and the like do not need additional welding, the flame-retardant light units in the outer sheath can be directly connected into the wiring light distribution box, the loss of an optical link is reduced, the quality of the lines is improved, the construction convenience is improved, the construction time is reduced, and the construction efficiency is improved;
(4) The full-dry optical unit sheath material is made of a high-flame-retardance low-smoke halogen-free material, the optical cable has excellent flame retardance, and the indoor cable part can pass the fire-retardant level test of the Eca by the European Union building code CPR certification;
(5) The flame-retardant light unit adopts a full-dry structure, is full-section water-blocking, has no ointment in whole construction, and has less tool use, and is clean and sanitary.
Drawings
FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present utility model;
fig. 2 is a schematic overall structure of embodiment 2 of the present utility model.
In the figure:
1. the optical fiber comprises a colored optical fiber, 2 parts of a water-blocking aramid fiber layer, 3 parts of an inner sheath, 4 parts of a mica tape, 5 parts of water-blocking glass yarns, 6 parts of an outer sheath, 7 parts of a groove, 8 parts of a nonmetal reinforcing layer.
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. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
Example 1
As shown in fig. 1, a quick access dry nonmetallic optical cable includes a plurality of flame retardant optical units, in this embodiment, 4 flame retardant optical units are taken as an example for illustration, and of course, other numbers are also possible; the flame-retardant optical unit sequentially comprises one or more colored optical fibers 1, a water-blocking aramid fiber layer 2 and an inner sheath 3 from inside to outside, and the flame-retardant optical unit is adopted, so that the flame-retardant performance of the optical cable is improved, and because the water-blocking aramid fiber is adopted as a reinforcing piece in the flame-retardant optical unit, the flame-retardant optical unit has excellent tensile property, and can be directly used for short-distance overhead in a middle offline manner, so that the convenience of construction is improved, the construction efficiency is improved, and the construction cost is saved; the mica tape 4 is coated on the outer side of the flame-retardant light unit, and the mica tape 4 has good fire resistance and insulation and excellent high temperature resistance and combustion resistance; the outside cladding of mica tape 4 blocks water glass yarn 5, the glass yarn 5 that blocks water is difficult for transversely breaking, have good hydrophilic expansion performance, can strengthen the optical cable tensile strength, provide certain lateral pressure resistance ability, the outside cladding oversheath 6 of glass yarn that blocks water, groove 7 has been seted up to the surface of oversheath 6, the circuit such as trunk light distributing box to distribution light distributing box need not additionally weld, tear from the groove 7 of oversheath, the fire-retardant optical unit of inside can directly insert distribution light distributing box, reduce the optical link loss, improve circuit quality, improve construction convenience, reduce the engineering time, improve efficiency of construction.
In one embodiment, the inner sheath 3 and the outer sheath 6 are made of high-flame-retardance low-smoke halogen-free materials, such as polyolefin, and have the advantages of small post shrinkage and difficulty in increasing the optical fiber loss of the cable at a low temperature.
In one embodiment, the groove 7 is a V-groove or a U-groove.
In one embodiment, the flame-retardant light unit is of a full dry type, is full-section water-blocking, is free of ointment in whole construction, and is low in tool use, clean and sanitary.
Example 2
As shown in fig. 2, unlike in example 1, the water-blocking glass yarn 5 is replaced by a non-metal reinforcing layer 8, and the non-metal reinforcing layer 8 is made of water-blocking aramid fiber, so that the water-blocking glass yarn has the advantages of strong tensile capacity and good water-blocking performance.
The above is a preferred embodiment of the present utility model, and a person skilled in the art can also make alterations and modifications to the above embodiment, therefore, the present utility model is not limited to the above specific embodiment, and any obvious improvements, substitutions or modifications made by the person skilled in the art on the basis of the present utility model are all within the scope of the present utility model.
Claims (6)
1. The utility model provides a quick access dry-type nonmetal optical cable which characterized in that: the waterproof glass fiber reinforced plastic composite material comprises a plurality of flame-retardant optical units, wherein the flame-retardant optical units sequentially comprise one or more colored optical fibers (1), a waterproof aramid fiber layer (2) and an inner sheath (3) from inside to outside, mica tapes (4) are coated on the outer sides of the flame-retardant optical units, waterproof glass yarns (5) are coated on the outer sides of the mica tapes (4), an outer sheath (6) is coated on the outer sides of the waterproof glass yarns (5), and grooves (7) are formed in the outer surfaces of the outer sheath (6).
2. The quick access dry nonmetallic fiber optic cable of claim 1, wherein: the water-blocking glass yarn (5) is replaced by a nonmetal reinforcing layer (8).
3. The quick access dry nonmetallic fiber optic cable of claim 2, wherein: the nonmetal reinforcing layer (8) is made of water-blocking aramid fibers.
4. The quick access dry nonmetallic fiber optic cable of claim 1, wherein: the inner sheath (3) and the outer sheath (6) are made of high-flame-retardance low-smoke halogen-free materials.
5. The quick access dry nonmetallic fiber optic cable of claim 1, wherein: the groove (7) is a V-shaped groove or a U-shaped groove.
6. The quick access dry nonmetallic fiber optic cable of claim 1, wherein: the flame-retardant light unit is fully dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320931602.3U CN219936156U (en) | 2023-04-23 | 2023-04-23 | Quick access dry nonmetal optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320931602.3U CN219936156U (en) | 2023-04-23 | 2023-04-23 | Quick access dry nonmetal optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219936156U true CN219936156U (en) | 2023-10-31 |
Family
ID=88501531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320931602.3U Active CN219936156U (en) | 2023-04-23 | 2023-04-23 | Quick access dry nonmetal optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219936156U (en) |
-
2023
- 2023-04-23 CN CN202320931602.3U patent/CN219936156U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |