CN113281866A - Indoor invisible optical cable and application - Google Patents
Indoor invisible optical cable and application Download PDFInfo
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- CN113281866A CN113281866A CN202110653095.7A CN202110653095A CN113281866A CN 113281866 A CN113281866 A CN 113281866A CN 202110653095 A CN202110653095 A CN 202110653095A CN 113281866 A CN113281866 A CN 113281866A
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- optical cable
- optical
- indoor
- invisible
- tight
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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
- G02B6/4433—Double reinforcement laying in straight line with optical transmission element
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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
- G02B6/441—Optical cables built up from sub-bundles
-
- 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
-
- 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
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
-
- 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
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/56—Processes for repairing optical cables
- G02B6/566—Devices for opening or removing the mantle
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model provides an indoor stealthy optical cable of using and application relates to the optical cable field, including optic fibre and restrictive coating, two optic fibres wrap up respectively in two tight overlaps, and two tight overlaps pass through the connector and connect, form the optical unit, and two enhancement cores are placed to parallel, the symmetry in optical unit both sides, and extrusion restrictive coating is cabled, and restrictive coating both sides set up oblique to formula separation mouth. The optical unit adopts a transparent nylon or polyurethane sheath, the optical fiber adopts natural color and white color, the visibility of the optical cable in indoor wiring can be reduced, the original decoration is not damaged, and the aesthetic property of the decoration is kept to the maximum extent. And two tight sleeves of optic fibre link together through the connector, can keep walking the uniformity of line when indoor wiring, also branch from the connector easily when needs separate. Meanwhile, the double-core optical fibers can be used for standby at one time, when one optical fiber is damaged, the other optical fiber can be started immediately, the maintenance response time is shortened, and the secondary construction is avoided.
Description
Technical Field
The invention relates to the field of optical cables, in particular to an indoor invisible optical cable and application thereof.
Background
With the popularization of large-scale application of fiber to the home, the demand for indoor optical cables is more, and after the problem of 'last kilometer' of network entry is solved, people have higher requirements on the indoor wiring mode and the aesthetic degree of the optical cables.
At present, in order to solve the problem that the indoor wiring of the optical cable affects the attractiveness, the following two common schemes are adopted, in the figure 1, an invisible optical cable is directly adopted indoors, in the figure two, the invisible optical cable is used as an optical unit, a reinforcing core and a sheath layer are added to form a butterfly-shaped leading-in optical cable, the sheath layer and the reinforcing core are removed after the optical unit enters a home, and the invisible optical unit is wired indoors.
The whole structure of the optical cable shown in fig. 1 is that a transparent tight-sleeve layer is extruded outside the optical fiber, and the optical cable has no reinforced core and a sheath layer, so that the optical cable has poor mechanical properties such as tensile resistance, flattening resistance and the like, and is difficult to be led in from a corridor through pipe. Meanwhile, the optical cable is of a single-core structure and can only be used for one terminal, and if the optical fiber is damaged and cannot be used, the optical fiber can not be replaced, so that the single-core optical cable is poor in mechanical performance and environment resistance.
The optical cable shown in fig. 2 has a structure that a transparent tight-jacketed layer is extruded outside the optical fiber to serve as an optical unit, two reinforced cores are symmetrically arranged in parallel, and a jacket layer is extruded. This kind of optical cable appearance is more squarely, can increase the resistance when the poling is under construction, will peel off the restrictive coating and the enhancement core of outside when the optical cable gets into indoorly in addition, and two surplus optical unit separate each other, are unfavorable for state each other unified when the construction wiring, and the interval that appears the two easily differs, increases the construction degree of difficulty, influences beautifully. The separation port of the optical cable is symmetrical and is directly positioned above the optical unit, so that the sheath layer at the optical unit is thinner, and the protection of the optical unit is not facilitated.
Disclosure of Invention
The invention aims to provide an indoor invisible optical cable, which is used for solving the problems that in the prior art, double-core wiring is difficult, stress concentration is easily caused by symmetrical arrangement of separating ports, the mechanical performance of the optical cable is poor, the environmental resistance is poor and the like.
The technical scheme of the invention is as follows: the utility model provides an indoor stealthy optical cable that uses, two optic fibre parcel respectively in two tight cover layers, two tight cover layers pass through the connector and connect, form the optical unit, and two enhancement cores are placed to the parallel, the symmetry in optical unit both sides, and extrusion restrictive coating stranding, restrictive coating both sides set up oblique to formula separation mouth.
The separation port is in an oblique-pair mode, and compared with a traditional V-shaped port, the separation port has the advantages that the opening angle of the V-shaped port is an acute angle, the upper opening and the lower opening are symmetrical, and stress is concentrated at the center of the light unit. The oblique-butt type opening angle is an obtuse angle and is staggered up and down, the position of the light unit can be avoided, the stress born by the oblique-butt type separation opening is larger than that born by the V-shaped opening under the condition of the same grooving depth, and the requirement that the sheath material is saved by the oblique-butt type separation opening under the same stress using condition is met.
The optical fiber is a bending insensitive optical fiber and is in natural color or white color.
The tight-buffered layer is a transparent tight-buffered layer, preferably a nylon or polyurethane sheath.
The shape of the sheath layer is arc-shaped or rectangular.
The reinforced core is made of metal material such as phosphated steel wire or fiber reinforced plastic such as aramid fiber reinforced plastic.
The indoor invisible optical cable further comprises a hanging strip and a reinforced hanging wire, wherein a sheath layer is sleeved outside the reinforced hanging wire and is connected with the sheath layer on the other side through the hanging strip.
An application method of an indoor invisible optical cable is characterized in that the optical cable is led into a room from the room, an outer protective layer of the optical cable is peeled off along a separation opening (6), a reinforcing core is removed, only an optical unit is reserved, the optical unit is laid along a corner line and the edge of a door and a window after the optical unit is placed into the room, glue is adopted for adhering and fixing, if only one terminal device exists in the room, two optical fibers are used, and if two terminal devices exist, the optical unit can be separated along a connecting body to form two tight-sleeved optical fibers which are used respectively.
The invention has the beneficial technical effects that: advantage 1: the optical unit adopts a transparent nylon or polyurethane sheath, the optical fiber adopts natural color and white color, the visibility of the optical cable in indoor wiring can be reduced, the original decoration is not damaged, and the aesthetic property of the decoration is kept to the maximum extent.
Advantage 2: the two optical fiber tight sleeves are connected into a whole through the connecting body, the consistency of routing can be kept during indoor wiring, and the optical fiber tight sleeves are easy to branch from the connecting body when needing to be separated. Meanwhile, the double-core optical fibers can be used for standby at one time, when one optical fiber is damaged, the other optical fiber can be started immediately, the maintenance response time is shortened, and the secondary construction is avoided.
Advantage 3: the optical unit is externally provided with the sheath and the reinforcing core, the design can ensure that the optical fiber is protected in the pipeline section before entering the home, the mechanical performance of the optical cable is improved, the construction difficulty is reduced, and the service life of the optical cable is prolonged.
Advantage 4: the separation port of the optical cable sheath layer is designed to be in an oblique-pair mode, so that the stress concentration at the optical unit can be reduced compared with the traditional symmetrical mode, and the protection effect on the optical unit is more prominent.
Advantage 5: the whole optical cable adopts the arc shape, so that the resistance can be greatly reduced, and the friction can be reduced during the pipe penetrating construction, so that the optical cable is more convenient.
Drawings
FIG. 1 is a prior art stealth cable.
FIG. 2 is another stealth cable of the prior art.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is another schematic structure of the present invention.
Detailed Description
The present application will now be described more fully hereinafter with reference to the accompanying drawings, in which all other embodiments of the invention can be made without inventive faculty, and which are within the scope of the invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The utility model provides an indoor stealthy optical cable of using, two optic fibre 1 wraps up respectively in two tight jacket layers 2, and two tight jacket layers 2 are connected through connector 3, form the light unit, and two tight jackets of optic fibre are linked together through the connector, can keep walking the uniformity of line when indoor wiring, also carry out the branch from the connector easily when needs are separated. Meanwhile, the double-core optical fibers can be used for standby at one time, when one optical fiber is damaged, the other optical fiber can be started immediately, the maintenance response time is shortened, and the secondary construction is avoided.
Two reinforcing cores 4 are symmetrically arranged on two sides of the optical unit in parallel, a sheath layer 5 is extruded to form a cable, and two sides of the sheath layer 5 are provided with oblique opposite separation ports 6. The optical fiber 1 is a bending insensitive optical fiber and has a natural color or white color.
Specifically, 5 both sides of restrictive coating set up oblique to formula isolating port 6, can follow oblique to formula isolating port 6 and peel off whole optical cable, and connector 3 breaks off into two independent optical units, satisfies the demand that optic fibre was registered one's residence, can introduce different rooms with solitary optical unit to the optical unit after peeling off still the cladding outward has restrictive coating 5, can play especially good guard action to the optical unit. Moreover, the traditional symmetrical type of the oblique separation port 6 can reduce the stress concentration at the light unit, and the protection effect on the light unit is more prominent.
Specifically, tight jacket layer 2 is transparent tight jacket layer, prefers nylon or polyurethane sheath, and optical fiber adopts true qualities and white can both reduce the visibility of optical cable when the indoor wiring, plays stealthy effect, does not destroy original fitment, furthest keeps the aesthetic property of fitment.
Specifically, restrictive coating 5's appearance is the rectangle, and the overall appearance structure of whole optical cable is the rectangle, compares in circular optical cable more convenient attached on the right angle wall.
Specifically, the appearance of the sheath layer 5 adopts the arc shape, so that the resistance can be reduced to a greater extent, and the friction can be reduced during pipe penetrating construction, so that the pipe penetrating construction is more convenient.
Specifically, two reinforcing cores 4 are symmetrically arranged on two sides of the light unit in parallel, and the reinforcing cores 4 are made of metal materials such as phosphated steel wires or made of fiber reinforced plastics such as aramid fiber reinforced plastics. The design can ensure that the optical fiber is protected in the pipeline section before entering the home, the mechanical performance of the optical cable is improved, the construction difficulty is reduced, and the service life of the optical cable is prolonged. Particularly, the bending rigidity is greatly improved, and the problem of excessive bending of the optical cable caused by insufficient bending rigidity of the optical cable is effectively solved.
Specifically, 5 both sides on restrictive coating set up oblique to formula bead 6, and bead 6 angle sets up to non-isosceles obtuse triangle and upper and lower bead is oblique to the formula, sets up to between 100 ~120 when the opening angle, and the bead depth sets up to tearing power steerable 7~15N when 0.4mm ~0.5mm, and is comparatively suitable this moment, can enough satisfy the requirement of construction tearing power and can play a fine guard action to the light unit again. In addition, the position, the angle and the depth of the tearing groove can be changed according to different application scenes, so that the tearing force is controlled, and different use requirements are met.
Especially when the angle of the separation opening 6 is set to 105 deg. and the depth is 0.5mm, the light unit can be separated at this time, the position of the light unit can be just staggered, and the light unit can be easily separated.
In the implementation of this embodiment: when the optical cable is led into a room from the room, the outer protective layer of the optical cable is stripped along the separation port, the reinforcing core is removed, only the optical unit is reserved, the optical unit is usually distributed along the corner line and the edge of a door and a window after the optical cable enters the room, glue is adopted for pasting and fixing, if only one terminal device exists in the room, two optical fibers are used for one by one, and if two terminal devices exist, the optical unit can be separated along the connecting body to form two tight-sleeved optical fibers which are used respectively.
Example 2
As shown in fig. 4, the other structures are the same as those of embodiment 1, except that the indoor invisible optical cable further comprises a hanging strip 8 and a reinforcing hanging wire 7, wherein the reinforcing hanging wire 7 is sleeved with a sheath layer 5 and connected with the sheath layer on the other side through the hanging strip 8. After the suspension wire is added, the optical cable can be used in outdoor self-supporting overhead scenes.
In the implementation of this embodiment: the structure meets the requirement of being suspended and placed in small span outdoors, can be led into a room from outdoors or directly enter the room, whether the light is led into the room from outdoors or then led into the room from indoors or directly led into the room from outdoors, elements such as a sheath layer, a reinforcing core and the like are required to be removed when the light enters the room, only the light unit is reserved, and the laying mode of the light unit after entering the room is the same as that of the embodiment 1.
Claims (10)
1. The utility model provides an indoor stealthy optical cable of using, includes optic fibre and restrictive coating, its characterized in that: two optic fibre (1) parcel respectively in two tight jacket layers (2), two tight jacket layers (2) are connected through connector (3), form the optical unit, and two enhancement cores (4) are placed to parallel, the symmetry in optical unit both sides, and extrusion restrictive coating (5) stranding, restrictive coating (5) both sides set up separation mouth (6).
2. The invisible optical cable for indoor use according to claim 1, wherein: the separation port (6) is an oblique separation port.
3. An indoor invisible optical cable according to claim 1 or 2, wherein: the opening angle of the separation port (6) is set to be 100-120 degrees, and the groove depth of the separation port is set to be 0.4-0.5 mm.
4. The invisible optical cable for indoor use according to claim 3, wherein: the angle of the separation opening (6) is preferably 105 degrees, and the groove depth is preferably 0.5 mm.
5. The invisible optical cable for indoor use according to claim 1, wherein: the optical fiber (1) is a bending insensitive optical fiber and is natural or white in color.
6. The invisible optical cable for indoor use according to claim 1, wherein: the tight-buffered layer (2) is a transparent tight-buffered layer, preferably a nylon or polyurethane sheath.
7. The invisible optical cable for indoor use according to claim 1, wherein: the reinforced core (4) is made of metal materials such as phosphated steel wires or fiber reinforced plastics such as aramid fiber reinforced plastics.
8. The invisible optical cable for indoor use according to claim 1, wherein: the sheath layer (5) is arc-shaped or rectangular.
9. The invisible optical cable for indoor use according to claim 1, wherein: the invisible optical cable further comprises a hanging strip (8) and a reinforced hanging wire (7), wherein a sheath layer (5) is sleeved outside the reinforced hanging wire (7) and is connected with the sheath layer on the other side through the hanging strip (8).
10. An application method of an indoor invisible optical cable is characterized in that: the optical cable is led into a room from the room, an outer protective layer of the optical cable is stripped along a separation opening (6), meanwhile, a reinforcing core is removed, only an optical unit is reserved, the optical unit is arranged along a corner line and the edge of a door and a window after the optical cable enters the room, glue is adopted for pasting and fixing, if only one terminal device exists in the room, two optical fibers are used, and if two terminal devices exist, the optical unit can be separated along a connecting body to form two tightly sleeved optical fibers which are used respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110653095.7A CN113281866A (en) | 2021-06-11 | 2021-06-11 | Indoor invisible optical cable and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110653095.7A CN113281866A (en) | 2021-06-11 | 2021-06-11 | Indoor invisible optical cable and application |
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| Publication Number | Publication Date |
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| CN113281866A true CN113281866A (en) | 2021-08-20 |
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| CN202110653095.7A Pending CN113281866A (en) | 2021-06-11 | 2021-06-11 | Indoor invisible optical cable and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114217392A (en) * | 2021-11-01 | 2022-03-22 | 南京华信藤仓光通信有限公司 | Multipurpose special-shaped butterfly-shaped optical cable convenient for home-entry construction |
-
2021
- 2021-06-11 CN CN202110653095.7A patent/CN113281866A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114217392A (en) * | 2021-11-01 | 2022-03-22 | 南京华信藤仓光通信有限公司 | Multipurpose special-shaped butterfly-shaped optical cable convenient for home-entry construction |
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