CN112180527A - Improved sleeve layer-stranded cable - Google Patents
Improved sleeve layer-stranded cable Download PDFInfo
- Publication number
- CN112180527A CN112180527A CN202011080796.8A CN202011080796A CN112180527A CN 112180527 A CN112180527 A CN 112180527A CN 202011080796 A CN202011080796 A CN 202011080796A CN 112180527 A CN112180527 A CN 112180527A
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- China
- Prior art keywords
- adhesive layer
- sheath
- sleeve
- flaps
- improved
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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
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a layer-stranded cable of an improved sleeve, relates to the field of optical cables, and solves the problems that a reinforcing part wound and bundled outside a cable core is relatively high in price, the outer diameter of the optical cable can be increased after the optical cable is used, and the cost of the optical cable is increased. The invention comprises a sleeve (2) with an adhesive layer, the adhesive layer being of a construction outside the sleeve (2), the adhesive layer filling the gap between the sleeve (2) and the armour and sheath. The bonding layer replaces a reinforcing part, fills gaps and enhances the tensile strength of the optical cable.
Description
Technical Field
The invention relates to the field of optical cables, in particular to a layer-stranded cable of an improved sleeve.
Background
At present, the layer-stranded optical cable is widely applied to the construction of an outdoor communication network. Layer-stranded cables typically employ a central member and possibly strength members wrapped about the cable core, with a loose fiber sleeve and filler cords wrapped about the central member to form the cable core.
Generally, the reinforcing part wound and bundled outside the cable core is relatively high in price, the outer diameter of the optical cable can be increased after the optical cable is used, and the cost of the optical cable is increased.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: generally, the reinforcing part wound and bundled outside the cable core is relatively high in price, the outer diameter of the optical cable can be increased after the optical cable is used, and the cost of the optical cable is increased. The present invention provides an improved jacketed stranded cable that solves the above problems.
The invention is realized by the following technical scheme:
a layer stranded cable of an improved sleeve comprises a sleeve with an adhesive layer, wherein the adhesive layer is of a structure outside the sleeve, and the adhesive layer fills gaps among the sleeve, armor and a sheath.
Preferably, the adhesive layer comprises a single-flap adhesive layer, the sleeve is provided with the single-flap adhesive layer, the single-flap adhesive layer is of a structure outside the sleeve, and the single-flap adhesive layer fills a gap between the sleeve and the armor and the sheath.
Preferably, the adhesive layer comprises two adhesive layers, the sleeve is provided with the two adhesive layers, the two adhesive layers are of a structure outside the single adhesive layer, and the two adhesive layers are used for filling gaps among the sleeve, the armor and the sheath.
Preferably, the adhesive layer comprises two adhesive layers, the sleeve is provided with two adhesive layers, the two adhesive layers are of a structure outside the single adhesive layer, and the two adhesive layers are used for filling the gap between the sleeve and the filling rope.
Preferably, the adhesive layer comprises a two-flap adhesive layer, the sleeve is a sleeve provided with two-flap adhesive layers, the two-flap adhesive layers are of a structure outside the single-flap adhesive layer, and the two-flap adhesive layers are used for filling a gap between the sleeve and an adjacent sleeve.
Preferably, the single-lobe adhesive layer is made of an insulating material.
Preferably, the two-petal adhesive layer is made of an insulating material.
Preferably, the single-petal adhesive layer is of a shell structure formed by arcs, the interior of the single-petal adhesive layer is hollow, the interior of the single-petal adhesive layer is an internal space formed by the sleeve and the outer wall of the single-petal adhesive layer, and air or cable paste is filled in the internal space.
Preferably, the two adhesive layers are of a shell structure formed by two non-overlapping arcs, the interiors of the two adhesive layers are hollow, the interiors of the two adhesive layers are internal spaces formed by the sleeve and the outer walls of the two adhesive layers, and air or cable paste is filled in the interiors of the two adhesive layers.
Preferably, the outer diameter of the sleeve is selected in the range of 1.2mm to 1.8mm, and the adhesive layer fills the gap between the outer diameter of the sleeve and the sheath and the armor.
The optical fiber cable also comprises an optical fiber, a central piece and a filling rope, wherein the central piece is positioned in the center of the optical cable, the filling rope is tightly attached to the periphery of the central piece, the optical fiber is positioned in the sleeve, a gap between the optical fiber and the sleeve is filled with fiber paste, and a gap in the optical cable is filled with cable paste;
the common diameter of the filling rope is 1.8mm, the common diameter of the sleeve is 1.8mm, the sleeve of the invention is improved to be 1.2 mm-1.8 mm, the outer diameter of the original sleeve is reduced, and the filling gap of the adhesive layer is increased.
The invention has the following advantages and beneficial effects:
the bonding layer replaces a reinforcing part, fills gaps and enhances the tensile strength of the optical cable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic view of a single-lobed adhesive layer of the present invention.
Figure 3 is a schematic view of a two-flap adhesive layer of the present invention.
Reference numbers and corresponding part names in the drawings:
1. an optical fiber; 101. fiber paste; 2. a sleeve; 3. a center piece; 4. filling a rope; 5. two-flap adhesive layer; 6. a single-lobed adhesive layer.
Detailed Description
Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive changes, are within the scope of the present invention.
A lay cable of an improved sleeve 2, as shown in figures 1-3, comprises a sleeve 2 with an adhesive layer of a structure external to the outside of the sleeve 2, the adhesive layer filling the gap between the sleeve 2 and the armour and sheath.
Preferably, the adhesive layer comprises a single-flap adhesive layer 6, the sleeve 2 is the sleeve 2 provided with the single-flap adhesive layer 6, the single-flap adhesive layer 6 is a structure outside the sleeve 2, and the single-flap adhesive layer 6 fills a gap between the sleeve 2 and the armor and the jacket.
Preferably, the adhesive layer comprises two adhesive layers 5, the sleeve 2 is the sleeve 2 provided with the two adhesive layers 5, the two adhesive layers 5 are structures outside the single adhesive layer 6, and the two adhesive layers 5 are used for filling gaps between the sleeve 2 and the armor and the sheath.
Preferably, the adhesive layer comprises two flaps of adhesive layer 5, the sleeve 2 is a sleeve 2 provided with two flaps of adhesive layer 5, the two flaps of adhesive layer 5 are a structure outside the single flap of adhesive layer 6, and the two flaps of adhesive layer 5 are used for filling the gap between the sleeve 2 and the filling rope 4.
Preferably, the adhesive layer comprises a two-flap adhesive layer 5, the sleeve 2 is a sleeve 2 provided with two-flap adhesive layers 5, the two-flap adhesive layers 5 are structures outside of a single-flap adhesive layer 6, and the two-flap adhesive layers 5 are used for filling a gap between the sleeve 2 and an adjacent sleeve 2.
Preferably, the single-lobe adhesive layer 6 is made of an insulating material.
Preferably, the two-flap adhesive layer 5 is made of an insulating material.
Preferably, the single-petal adhesive layer 6 is of a shell structure formed by an arc, the inside of the single-petal adhesive layer 6 is hollow, the inside of the single-petal adhesive layer 6 is an internal space formed by the sleeve 2 and the outer wall of the single-petal adhesive layer 6, and the internal space is filled with air or cable paste.
Preferably, the two adhesive layers 5 are of a shell structure formed by two non-overlapping arcs, the interiors of the two adhesive layers 5 are hollow, the interiors of the two adhesive layers 5 are internal spaces formed by the outer walls of the sleeve 2 and the two adhesive layers 5, and air or cable paste is filled in the interiors of the two adhesive layers 5.
Preferably, the outer diameter of the sleeve 2 is selected in the range of 1.2mm to 1.8mm, and the adhesive layer fills the gap between the outer diameter of the sleeve 2 and the sheath.
The optical fiber cable is characterized by further comprising an optical fiber 1, a central part 3 and a filling rope 4, wherein the central part 3 is located in the center of the optical cable, the filling rope 4 is tightly attached to the periphery of the central part 3, the optical fiber 1 is located in the sleeve 2, a gap between the optical fiber 1 and the sleeve 2 is filled with fiber paste 101, and a gap in the optical cable is filled with cable paste;
the diameter of the normal filling rope 4 is 1.8mm, the diameter of the normal sleeve is 1.8mm, the sleeve 2 of the invention is improved to be 1.2 mm-1.8 mm, the outer diameter of the original sleeve is reduced, and the adhesive layer filling gap is increased.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The stranded cable of the improved sleeve is characterized by comprising the sleeve (2) with the adhesive layer, wherein the adhesive layer is of a structure outside the outer side of the sleeve (2), and the adhesive layer fills gaps among the sleeve (2), armor and a sheath.
2. An improved sheathed layer stranded cable according to claim 1 wherein the adhesive layer comprises a single-lobe adhesive layer (6), the sheath (2) being a sheath (2) provided with a single-lobe adhesive layer (6), the single-lobe adhesive layer (6) being a structure of the outside of the sheath (2), the single-lobe adhesive layer (6) filling the gap between the sheath (2) and the armour and sheath.
3. An improved sheathed layer stranded cable according to claim 2 wherein the adhesive layer comprises two flaps of adhesive layer (5), the sheath (2) being a sheath (2) provided with two flaps of adhesive layer (5), the two flaps of adhesive layer (5) being a single flap of adhesive layer (6) on the outside of the structure, the two flaps of adhesive layer (5) being adapted to fill the gap between the sheath (2) and the armour and sheath.
4. An improved sheathed layer stranded cable according to claim 2 wherein the adhesive layer comprises two flaps of adhesive layer (5), the sheath (2) being a sheath (2) provided with two flaps of adhesive layer (5), the two flaps of adhesive layer (5) being a single-flap adhesive layer (6) outer-side outer structure, the two flaps of adhesive layer (5) being adapted to fill the gap between the sheath (2) and the filler cord (4).
5. An improved sheathed layer stranded cable according to claim 2 wherein the adhesive layer comprises two flaps of adhesive layer (5), the sheath (2) being a sheath (2) provided with two flaps of adhesive layer (5), the two flaps of adhesive layer (5) being a structure of the outer exterior of a single flap of adhesive layer (6), the two flaps of adhesive layer (5) being adapted to fill the gap between the sheath (2) and an adjacent sheath (2).
6. An improved jacketed, layer stranded cable according to any of claims 3-5 characterized in that the single-lobe adhesive layer (6) is of insulating material.
7. An improved jacketed, layer stranded cable according to any of claims 3-5 characterized in that the two halves of the adhesive layer (5) are of insulating material.
8. An improved stranded sleeve cable according to any one of claims 2-5, wherein the single-petal adhesive layer (6) is a circular arc-shaped shell structure, the interior of the single-petal adhesive layer (6) is hollow, the interior of the single-petal adhesive layer (6) is an internal space formed by the sleeve (2) and the outer wall of the single-petal adhesive layer (6), and the internal space is filled with air or cable paste.
9. An improved stranded sleeve cable according to any one of claims 3-5, wherein the two adhesive layers (5) are of a shell structure formed by two non-overlapping circular arcs, the inner part of the two adhesive layers (5) is hollow, the inner part of the two adhesive layers (5) is an inner space formed by the sleeve (2) and the outer walls of the two adhesive layers (5), and the inner parts of the two adhesive layers (5) are filled with air or cable paste.
10. An improved jacketed stranded cable according to any one of claims 1 to 5 wherein the outer diameter of the jacket (2) is selected in the range 1.2mm to 1.8mm and the adhesive layer fills the gap between the outer diameter of the jacket (2) and the armour and sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011080796.8A CN112180527A (en) | 2020-10-11 | 2020-10-11 | Improved sleeve layer-stranded cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011080796.8A CN112180527A (en) | 2020-10-11 | 2020-10-11 | Improved sleeve layer-stranded cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112180527A true CN112180527A (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011080796.8A Pending CN112180527A (en) | 2020-10-11 | 2020-10-11 | Improved sleeve layer-stranded cable |
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| Country | Link |
|---|---|
| CN (1) | CN112180527A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442246A (en) * | 2022-02-16 | 2022-05-06 | 中国科学院高能物理研究所 | A flexible armored optical cable and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8620124B1 (en) * | 2012-09-26 | 2013-12-31 | Corning Cable Systems Llc | Binder film for a fiber optic cable |
| CN203587859U (en) * | 2013-10-24 | 2014-05-07 | 江苏亨通光电股份有限公司 | Light all dielectric self-supporting optical fiber cable for access network |
| CN106461899A (en) * | 2014-03-18 | 2017-02-22 | 康宁光电通信有限责任公司 | Jacket for a fiber optic cable |
| CN206960744U (en) * | 2017-06-30 | 2018-02-02 | 浙江亨通光网物联科技有限公司 | Layer twisted type flame retardant optical fiber cable for direct burial |
| CN108897108A (en) * | 2018-07-12 | 2018-11-27 | 安徽牡东通讯光缆有限公司 | A kind of outdoor optical cable |
-
2020
- 2020-10-11 CN CN202011080796.8A patent/CN112180527A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8620124B1 (en) * | 2012-09-26 | 2013-12-31 | Corning Cable Systems Llc | Binder film for a fiber optic cable |
| CN203587859U (en) * | 2013-10-24 | 2014-05-07 | 江苏亨通光电股份有限公司 | Light all dielectric self-supporting optical fiber cable for access network |
| CN106461899A (en) * | 2014-03-18 | 2017-02-22 | 康宁光电通信有限责任公司 | Jacket for a fiber optic cable |
| CN206960744U (en) * | 2017-06-30 | 2018-02-02 | 浙江亨通光网物联科技有限公司 | Layer twisted type flame retardant optical fiber cable for direct burial |
| CN108897108A (en) * | 2018-07-12 | 2018-11-27 | 安徽牡东通讯光缆有限公司 | A kind of outdoor optical cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442246A (en) * | 2022-02-16 | 2022-05-06 | 中国科学院高能物理研究所 | A flexible armored optical cable and system |
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Application publication date: 20210105 |