CN112394460A - Wheel hub type armored optical cable - Google Patents
Wheel hub type armored optical cable Download PDFInfo
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- CN112394460A CN112394460A CN202011253884.3A CN202011253884A CN112394460A CN 112394460 A CN112394460 A CN 112394460A CN 202011253884 A CN202011253884 A CN 202011253884A CN 112394460 A CN112394460 A CN 112394460A
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- hub
- inner sheath
- type
- optical cable
- wheel hub
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
The invention belongs to the technical field of communication optical cable manufacturing, and particularly relates to a hub-type armored optical cable. Including wheel hub type inner sheath, light unit, reinforcement, armor and oversheath, the center of wheel hub type inner sheath is equipped with the through-hole, the light unit sets up in the through-hole, wheel hub type inner sheath is provided with the inside sunken groove of a plurality of along its circumference, the reinforcement sets up the inslot, the armor is indulged the package and is in the surface of wheel hub type inner sheath, the oversheath is indulged the package and is in the surface of armor. Compared with the original armored optical cable, the optical cable has the advantages of simple structure, light weight, high pressure resistance, bending resistance, twisting resistance and torsion resistance, is convenient and quick to construct, greatly reduces the construction period and construction cost, provides a brand-new solution for the development of access networks, and simultaneously increases technical reserves for companies.
Description
Technical Field
The invention belongs to the technical field of communication optical cable manufacturing, and particularly relates to a hub-type armored optical cable.
Background
The optical fiber access network is the best scheme for solving the communication bottleneck that the copper twisted pair wire intervenes to limit the development of broadband services, and to build an all-optical fiber network, indoor optical cables with various structures are needed to realize the connection and redistribution of the optical fiber network, and an armored optical cable is one of the important components. The existing armored optical cable is easy to break the skin and disorder a reinforcing part when being bent and twisted, the arrangement is uneven, the optical fiber deformation is caused by the artificial or device pressure in the follow-up construction process, the optical fiber breakage is caused seriously, and the communication quality is influenced.
Disclosure of Invention
The invention aims to provide a hub-type armored optical cable, which adopts a hub-type inner sheath, ensures that the position of a reinforcing piece cannot be changed by arranging the reinforcing piece in a circumferential groove of the hub-type inner sheath, enhances the bending, bending and twisting resistance, and ensures that a new optical cable structure also meets the requirements of the original armored optical cable by adding an armor layer outside the inner sheath.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a hub-type armored optical cable which comprises a hub-type inner sheath, an optical unit, a reinforcing piece, an armor layer and an outer sheath, wherein a through hole is formed in the center of the hub-type inner sheath, the optical unit is arranged in the through hole, a plurality of inwards-concave grooves are formed in the hub-type inner sheath along the circumferential direction of the hub-type inner sheath, the reinforcing piece is arranged in each groove, the armor layer longitudinally wraps the outer surface of the hub-type inner sheath, and the outer sheath longitudinally wraps the outer surface of the armor layer.
Further, the groove is recessed towards the central axis of the hub type inner sheath to form a circular arc shape.
Further, the reinforcement completely fills the groove.
Further, the optical unit is a tight-buffered optical fiber, a bare optical fiber or a micro-beam tube optical fiber.
Further, the armor layer is a steel belt or an aluminum belt.
Further, the outer sheath is a low-smoke halogen-free outer sheath or a PVC outer sheath.
Further, the material of the reinforcing member comprises one or more of aramid fiber, glass fiber yarn, FRP or KFRP.
Further, 3-8 grooves are arranged.
The invention has the beneficial effects that:
(1) according to the hub-type armored optical cable, the hub-type inner sheath is adopted in the hub-type armored optical cable, the reinforcing piece is arranged in the circumferential groove of the wheel fixing inner sheath, the reinforcing piece is separated and fixed, the reinforcing piece is still at the original position when being influenced by external force, the disorder phenomenon cannot occur, and the influence on the communication quality due to the fact that an optical unit in the hub-type armored optical cable is directly stressed is avoided; and the hub type inner sheath better ensures the performance of bending resistance, bending resistance and torsional force of the optical cable, and simultaneously improves the pressure resistance.
(2) And a layer of armor layer is added outside the inner sheath, so that the new optical cable structure can meet the requirements of the original armored optical cable.
(3) The optical unit is a tight-buffered optical fiber, a bare optical fiber or a micro-beam tube optical fiber, and compared with the conventional armored optical cable, the step of forming the sub-cable and then armoring is omitted, so that the production time is saved.
(4) The outer sheath is made of low-smoke halogen-free materials or PVC materials, so that the cost is reduced, the using performance of the armored optical cable in various environments is guaranteed, and the low-smoke halogen-free outer sheath also has excellent high-hardness bending resistance.
(5) The hub-type armored optical cable provided by the invention is simple in structure, and the cost is reduced by more than 30% compared with that of the traditional armored optical cable; and the weight is lighter than that of the traditional armored optical cable, the construction is convenient and quick, the construction period and the construction cost are greatly reduced, and a brand new development direction is provided for the development of the access network.
(6) According to the hub-type armored optical cable provided by the invention, the bending performance of the optical cable can reach 10 turns and 5 circulating optical fibers with the attenuation less than or equal to 0.1dB, the bending performance can reach 5cm of optical fiber with the attenuation less than or equal to 0.1dB, the torsion performance can reach 100N rotation and 1080-degree rotation of 30 circulating optical fibers with the attenuation less than or equal to 0.1dB, and the optical fiber attenuation is not obviously changed after an experiment.
(7) Compared with the traditional central tube type optical cable, the hub type armored optical cable provided by the invention has the advantages that the main performances such as stretching and flattening are greatly improved, the stretching performance is improved by more than 50%, and the pressure resistance is improved by more than 100%; compared with the high cost of the skeleton type optical cable and the low performance of the central tube type, the scheme has the characteristics of low cost and high performance.
(8) According to the traditional skeleton type optical cable, optical fibers are arranged in the grooves, special skeleton type optical cable take-up equipment is needed, the framework type optical cable can be regarded as a special central tube type optical cable structure, conventional take-up equipment is adopted, and extra equipment investment can be avoided.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a hub-type armored optical cable.
Fig. 2 is a process flow diagram of a hub-type armored cable.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the present embodiment provides a hub-type armored optical cable including a hub-type inner sheath 1, an optical unit 2, a strength member 3, an armor layer 4, and an outer sheath 5.
The center of the hub type inner sheath 1 is provided with a through hole 6, and the light unit 2 is arranged in the through hole 6. The optical unit 2 can be a tight-buffered optical fiber, a bare optical fiber or a micro-beam tube optical fiber, and compared with the conventional armored optical cable, the step of forming the sub-cable and then armoring is omitted, so that the production time is saved.
The wheel hub type inner sheath 1 is provided with a plurality of grooves 7 along its circumference, and the groove 7 can be provided with 3 ~ 8 under the normal condition, and this embodiment 1 sets up to 5. The groove 7 is recessed toward the center axis of the hub type inner sheath 1 to form a circular arc shape, and the reinforcement 3 is disposed in the groove 7 and completely fills the groove 7. The material of the reinforcing member 3 may be aramid fiber, glass fiber yarn, FRP or KFRP. The reinforcing part is arranged in a groove in the circumferential direction of the wheel fixing inner sheath, and is separated and fixed, so that the reinforcing part is still at the original position when being influenced by external force, the disorder phenomenon can not occur, and the condition that the optical unit in the reinforcing part is directly stressed to influence the communication quality is avoided; meanwhile, the hub type inner sheath better ensures the performance of bending resistance, bending resistance and torsional force of the optical cable, and improves the pressure resistance.
The armor layer 4 is longitudinally wrapped on the outer surface of the hub type inner sheath 1, and the armor layer 4 is a steel belt or an aluminum belt. And an armor layer is added on the outer surface of the inner sheath, so that the new optical cable structure can meet the requirements of the original armored optical cable. The outer sheath 5 longitudinally wraps the outer surface of the armor layer 4, the outer sheath 5 is made of a low-smoke halogen-free outer sheath or a PVC outer sheath, the cost is reduced, the using performance of the armored optical cable in various environments is guaranteed, and the low-smoke halogen-free outer sheath also has excellent high-hardness bending resistance.
The process flow diagram of the hub-type armored cable is shown in fig. 2.
Through tests, the bending performance of the hub-type armored optical cable can reach 10 turns and 5 circulating optical fibers with the attenuation less than or equal to 0.1dB, the bending performance can reach 5cm of optical fiber with the attenuation less than or equal to 0.1dB, the torsion performance can reach 100N of hanging weight and 30 circulating optical fibers with the attenuation less than or equal to 0.1dB in a 1080-degree rotation mode, and the optical fiber attenuation is not obviously changed after the test.
Compared with the traditional central tube type optical cable, the hub type armored optical cable provided by the invention has the advantages that the main performances such as stretching and flattening are greatly improved, the stretching performance is improved by more than 50%, and the pressure resistance is improved by more than 100%; compared with the high cost of the skeleton type optical cable and the low performance of the central tube type, the scheme has the characteristics of low cost and high performance.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a wheel hub type armoured optical cable, its characterized in that, includes wheel hub type inner sheath, light unit, reinforcement, armor and oversheath, the center of wheel hub type inner sheath is equipped with the through-hole, the light unit sets up in the through-hole, wheel hub type inner sheath is provided with the inside sunken groove of a plurality of along its circumference, the reinforcement sets up the inslot, the armor indulges the package and is in the surface of wheel hub type inner sheath, the oversheath is indulged the package and is in the surface of armor.
2. The hub-type armored cable of claim 1, wherein the grooves are recessed toward a central axis of the hub-type inner sheath to form a circular arc shape.
3. The hub-type armored fiber optic cable of claim 1, wherein the strength members completely fill the channels.
4. The hubcad cable of claim 1 wherein said optical unit is a tight buffered optical fiber, a bare optical fiber or a micro-bundled optical fiber.
5. The hub-type armored cable of claim 1, wherein the armor is steel tape or aluminum tape.
6. The hub-type armored cable of claim 1, wherein the outer jacket is a low smoke zero halogen outer jacket or a PVC outer jacket.
7. The hub-type armored fiber optic cable of claim 1, wherein the strength members comprise one or more of aramid, glass fiber yarn, FRP or KFRP.
8. The hub-type armored cable of claim 1, wherein 3 to 8 slots are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011253884.3A CN112394460A (en) | 2020-11-11 | 2020-11-11 | Wheel hub type armored optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011253884.3A CN112394460A (en) | 2020-11-11 | 2020-11-11 | Wheel hub type armored optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN112394460A true CN112394460A (en) | 2021-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011253884.3A Pending CN112394460A (en) | 2020-11-11 | 2020-11-11 | Wheel hub type armored optical cable |
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| Country | Link |
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| CN (1) | CN112394460A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108520799A (en) * | 2018-04-04 | 2018-09-11 | 湖南神通光电科技有限责任公司 | A kind of photoelectric composite optical cable and preparation method thereof |
| CN210956239U (en) * | 2019-12-25 | 2020-07-07 | 江苏永鼎盛达电缆有限公司 | High-strength photoelectric composite cable |
-
2020
- 2020-11-11 CN CN202011253884.3A patent/CN112394460A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108520799A (en) * | 2018-04-04 | 2018-09-11 | 湖南神通光电科技有限责任公司 | A kind of photoelectric composite optical cable and preparation method thereof |
| CN210956239U (en) * | 2019-12-25 | 2020-07-07 | 江苏永鼎盛达电缆有限公司 | High-strength photoelectric composite cable |
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Application publication date: 20210223 |
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