CN107340578B - Aerial wiring leading-in optical fiber ribbon optical cable - Google Patents
Aerial wiring leading-in optical fiber ribbon optical cable Download PDFInfo
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- CN107340578B CN107340578B CN201710667647.3A CN201710667647A CN107340578B CN 107340578 B CN107340578 B CN 107340578B CN 201710667647 A CN201710667647 A CN 201710667647A CN 107340578 B CN107340578 B CN 107340578B
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- bearing
- isolation part
- stripping
- protective layer
- optical
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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
- G02B6/4407—Optical cables with internal fluted support member
- G02B6/4409—Optical cables with internal fluted support member for ribbons
-
- 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
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
- G02B6/4422—Heterogeneous cables of the overhead type
-
- 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
- G02B6/4439—Auxiliary devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention provides an aerial wiring lead-in optical fiber ribbon cable, which comprises a first bearing, a second bearing and optical fibers, wherein a plurality of optical fibers are arranged between the first bearing and the second bearing, a first isolation part is arranged between the optical fibers and the first bearing, and a second isolation part is arranged between the optical fibers and the second bearing; the first isolation part and the second isolation part are contacted with the optical fiber, the first isolation part is separated from the first bearing, and the second isolation part is separated from the second bearing; the first bearing, the second bearing, the optical fiber, the first isolation part and the second isolation part are coated with a main protection layer, and a first group of stripping positioning ports and a second group of stripping positioning ports which are paired are respectively arranged outside the main protection layer and correspond to the first isolation part and the second isolation part; the invention improves the whole tensile strength of the optical cable by 40%, effectively plays an overhead supporting role on the optical cable, reduces the damage of the optical cable and reduces the erection cost of the optical cable; the design of the isolation part is more convenient for stripping the protective layer of the optical cable.
Description
Technical Field
The invention belongs to the field of optical cables, and particularly relates to an aerial wiring lead-in optical fiber ribbon optical cable.
Background
The optical cable is formed by combining a plurality of optical fibers and an outer protective layer for protecting the optical fibers, has the advantages of high safety and high reliability in terms of signal transmission, is usually laid in an overhead manner before being installed and accessed, and can often not peel off the protective layer rapidly or even damage the optical fibers at the peeled position sometimes due to different forces of constructors and different self-performance reliability of the stripper when the protective layer is peeled off; when the existing optical cable is laid in an overhead mode, the optical cable is lack of a main supporting structure, supporting force is mainly provided by means of optical fibers and thin steel wires close to the optical fibers, and the optical cable is lack of certain structural strength, so that the optical cable is easy to damage integrally.
Disclosure of Invention
In view of the above, the present invention aims to provide an air-line-introduced optical fiber ribbon cable, which solves the problem of inconvenient stripping of an optical fiber protective layer in the prior art, avoids damage to an optical fiber when the protective layer is stripped, and also provides a self-supporting cable, which reduces the erection cost of laying the cable and improves the overall strength of the cable during erection.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
an aerial wiring lead-in optical fiber ribbon cable comprises a first bearing, a second bearing and optical fibers, wherein a plurality of optical fibers are arranged between the first bearing and the second bearing, a first isolation part is further arranged between the optical fibers and the first bearing, and a second isolation part is further arranged between the optical fibers and the second bearing; the first isolation part and the second isolation part are contacted with the optical fiber, the first isolation part is separated from the first bearing, and the second isolation part is separated from the second bearing; the first bearing, the second bearing, the optical fiber, the first isolation part and the second isolation part are coated with a main protection layer, and a first group of stripping positioning ports and a second group of stripping positioning ports which are paired are respectively arranged outside the main protection layer and correspond to the first isolation part and the second isolation part;
preferably, the first isolation part is of a C-shaped cavity structure; the opening of the C-shaped cavity faces to the first bearing; the second isolation part is of a C-shaped cavity structure; the opening of the C-shaped cavity faces the second bearing;
preferably, the end surfaces of the first group of stripping positioning openings and the second group of stripping positioning openings are in a triangular structure, and the stripping positioning openings of the two groups are arranged along the optical cable strip;
preferably, the first isolation part and the second isolation part have the same or similar structures, and a C-shaped cavity structure can be adopted; the C-shaped cavity can be filled with waterproof materials as isolating parts, the waterproof materials are not fused with the optical fiber and the protective layer, and the waterproof materials are separated from the optical fiber and the protective layer; the C-shaped cavity comprises a top part of the isolation part, a middle part of the isolation part and a bottom part of the isolation part, wherein the top part of the isolation part is two free top end parts of the C-shaped cavity, the bottom part of the isolation part is a valley bottom part of the C-shaped cavity, and the middle part of the isolation part refers to an area part between the free top end and the valley bottom part; the connecting line between the two opposite positioning openings of the first group of stripping positioning openings passes through the middle part of the isolation part; a connecting line between two opposite positioning openings of the second group of stripping positioning openings passes through the middle part of the isolation part of the first isolation part; the top and the bottom of the isolation part of the second isolation part are respectively positioned at two sides of the connecting line between the first group of stripping positioning openings, and the top and the bottom of the isolation part of the first isolation part are respectively positioned at two sides of the connecting line between the second group of stripping positioning openings; the stripping needle cut from the positioning opening can be inserted into the isolation part, so that the protective layer can be stripped conveniently;
preferably, a third bearing is further arranged outside the main protection layer, the third bearing is covered by an auxiliary protection layer, and the auxiliary protection layer is connected with the main protection layer through a connecting part;
preferably, the primary and secondary protective layers are made of PE or LSZH materials; the optical fiber adopts a crimpable optical fiber, and G657A optical fiber can be selected;
preferably, the second bearing is made of FRP or steel wire material, and common vulcanized/galvanized steel wires are adopted; the second bearing diameter is 0.45-0.5mm; wherein the third bearing diameter is 1.0-1.2mm of reinforced steel wire, and the tensile strength of the reinforced steel wire is 190-195Mpa;
preferably, the width of the C-shaped cavity is 0.05-0.15mm; a preferred width is 0.1mm; the central angle of the C-shaped cavity is 180-210 degrees; the optimal central angle is 200 degrees;
preferably, the thickness of the connecting part is 0.2-0.5mm; the thickness is preferably 0.3mm or 0.4mm; the height of the connecting part is 0.05-0.1mm;
preferably, the thickness of the secondary protective layer is 0.3-0.4mm; the distance between the triangular tip of the stripping positioning opening and the C-shaped cavity is 0.35-0.4mm; wherein the depth of the stripping positioning opening is 0.1-0.2mm;
preferably, the distance from the outer surface of the first bearing to the inner surface of the C-shaped cavity is 0.15-0.2mm; the method comprises the steps of carrying out a first treatment on the surface of the The distance from the second bearing outer surface to the inner surface of the C cavity is 0.15-0.2mm;
preferably, the distance from the bottom of the main protective layer to the top of the auxiliary protective layer 30 is 7-10mm; the preferred size is 8mm; through production tests, the optimal parameters are parameters with the lowest economic cost, and the whole surface quality of the processed optical cable is optimal.
Compared with the prior art, the optical fiber ribbon cable has the following advantages:
the invention is widely applied to information transmission lines, and the extension of the third bearing improves the whole tensile strength of the optical cable by 40%, thereby effectively supporting the optical cable in an overhead manner, reducing the damage of the optical cable and simultaneously reducing the erection cost of the optical cable; the design of the isolation part is more convenient for stripping the protective layer of the optical cable, and meanwhile, the phenomenon of damaging the optical band by the stripper is avoided; the stripping efficiency of the optical cable is improved, and the integral erection and installation process of the optical cable is accelerated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a front view of an optical cable according to an embodiment of the present invention;
FIG. 2 is a front view of a fiber optic cable having a second spacer segment according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a fiber optic cable stripper needle insertion according to an embodiment of the present invention;
FIG. 4 is a schematic view of a fiber optic cable stripper needle according to an embodiment of the present invention;
fig. 5 is an exploded view of an optical cable according to an embodiment of the present invention after being stripped.
Reference numerals illustrate:
01-an optical fiber; 02-a stripping needle; 1-a first load bearing; 2-a second bearing; 3-third bearing; 4-a main protective layer; 5-left separation section; 6-right separation section; 7-an upper separation section; 8-a lower separation section; 10-a first separator; 20-a second separator; 201-top of the spacer; 202-middle of the isolation part; 203-the bottom of the partition; 30-a secondary protective layer; 41-a first set of peel positioning ports; 42-a second set of peel positioning ports; 43-connection; 410-peel incision.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1, an air-distribution drop fiber ribbon cable includes a first load-bearing 1, a second load-bearing 2, and optical fibers 01, wherein a plurality of optical fibers 01 are arranged between the first load-bearing 1 and the second load-bearing 2, a first isolation part 10 is further arranged between the optical fibers 01 and the first load-bearing 1, and a second isolation part 20 is further arranged between the optical fibers 01 and the second load-bearing 2; the first isolation part 10 and the second isolation part 20 are both contacted with the optical fiber 01, the first isolation part 10 is separated from the first bearing 1, and the second isolation part 20 is separated from the second bearing 2; the first bearing 1, the second bearing 2, the optical fiber 01, the first isolation part 10 and the second isolation part 20 are coated with a main protection layer 4, and a first group of stripping positioning ports 41 and a second group of stripping positioning ports 42 which are paired are respectively arranged outside the main protection layer 4 and correspond to the first isolation part 10 and the second isolation part 20; wherein, the first isolation part 10 is of a C-shaped cavity structure; the opening of the C shape faces to the first bearing 1; the second isolation part 20 is of a C-shaped cavity structure; the C-shaped opening faces the second bearing 2;
referring to fig. 2, the first isolation portion 10 and the second isolation portion 20 may have the same or similar structures, and may have a C-shaped cavity structure; the C-shaped cavity comprises a top 201 of the isolation part, a middle 202 of the isolation part and a bottom 203 of the isolation part, and as shown in fig. 2, the top 201 of the isolation part is two free top end parts of the C-shaped cavity, the bottom 203 of the isolation part is a valley bottom part of the C-shaped cavity, and the middle 202 of the isolation part refers to a region part between the free top end and the valley bottom part; the connecting line between the two opposite positioning openings of the first stripping positioning opening 41 passes through the middle part 202 of the isolation part; the connecting line between the two opposite positioning openings of the second set of stripping positioning openings 42 passes through the middle part of the isolation part of the first isolation part 10, so that the stripping needle cut from the positioning opening can be inserted into the isolation part, and the protection layer is conveniently stripped;
wherein, the end surfaces of the first group of stripping positioning openings 41 and the second group of stripping positioning openings 42 are in a triangle structure, and the stripping positioning openings of the two groups are arranged along the optical cable strip; wherein, a third bearing 3 is arranged outside the main protection layer 4, the third bearing 3 is covered by an auxiliary protection layer 30, and the auxiliary protection layer 30 is connected with the main protection layer 4 through a connecting part 43;
wherein the third bearing 3 is a reinforced steel wire with the thickness of 1.0-1.2mm, and the tensile strength of the steel wire is 190-195Mpa; wherein the main protection layer 4 and the sub protection layer 30 are made of PE or LSZH material; the optical fiber 01 adopts a curled optical fiber; wherein the second bearing 2 is made of FRP or steel wire material, and adopts common vulcanized/galvanized steel wire; the second bearing diameter is 0.45-0.5mm; wherein the width of the C-shaped cavity is 0.05-0.15mm; a preferred width is 0.1mm; the central angle of the C-shaped cavity is 180-210 degrees; the optimal central angle is 200 degrees; wherein the depth of the stripping positioning opening is 0.1-0.2mm; wherein the thickness of the connecting portion 43 is 0.2-0.5mm; the thickness is preferably 0.3mm or 0.4mm; the height of the connecting part 43 is 0.05-0.1mm; wherein the thickness of the auxiliary protection layer 30 is 0.3-0.4mm; the distance between the triangular tip of the stripping positioning opening and the C-shaped cavity is 0.35-0.4mm; wherein the distance from the outer surface of the first bearing 1 to the inner surface of the C-shaped cavity is 0.15-0.2mm; the method comprises the steps of carrying out a first treatment on the surface of the The distance from the outer surface of the second bearing 2 to the inner surface of the C cavity is 0.15-0.2mm; wherein, the interval from the bottom of the main protective layer 4 to the top of the auxiliary protective layer 30 is 7-10mm; the preferred size is 8mm;
referring to fig. 3 to 4, the peeling method of the present invention: the stripping needle 02 of the stripper is clamped and inserted into the stripping positioning opening, the stripping needle 02 is forcefully inserted and the stripping needle 02 penetrates into the isolation part, and a stripping notch 410 is formed after the stripping needle 02 is inserted, as shown in fig. 4 and 5, when the stripping needle 02 penetrates into the separation part, the whole optical cable can be split into five parts, namely five parts of a left separation part 5, a right separation part 6, an upper separation part 7, a lower separation part 8 and an optical fiber 01, and the like, and the specific situation is as shown in fig. 5; the invention is particularly convenient for stripping the optical fiber protective layer, and can avoid the damage phenomenon of stripping to the optical fiber;
the third bearing is additionally arranged, so that the whole tensile strength of the optical cable is improved by 40%, the optical cable is effectively supported in an overhead manner, the damage of the optical cable is reduced, and the erection cost of the optical cable is reduced; the design of the isolation part is more convenient for stripping the protective layer of the optical cable, and meanwhile, the phenomenon of damaging the optical band by the stripper is avoided; the stripping efficiency of the optical cable is improved, and the integral erection and installation process of the optical cable is accelerated.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The aerial wiring lead-in optical fiber ribbon optical cable is characterized by comprising a first bearing (1), a second bearing (2) and optical fibers (01), wherein a plurality of optical fibers (01) are arranged between the first bearing (1) and the second bearing (2), a first isolation part (10) is further arranged between the optical fibers (01) and the first bearing (1), and a second isolation part (20) is further arranged between the optical fibers (01) and the second bearing (2); the first isolation part (10) and the second isolation part (20) are in contact with the optical fiber (01), the first isolation part (10) is separated from the first bearing (1), and the second isolation part (20) is separated from the second bearing (2); a main protection layer (4) is coated outside the first bearing (1), the second bearing (2), the optical fiber (01), the first isolation part (10) and the second isolation part (20), and a first group of stripping positioning ports (41) and a second group of stripping positioning ports (42) which are paired are respectively arranged outside the main protection layer (4) and correspond to the first isolation part (10) and the second isolation part (20);
the first isolation part (10) is of a C-shaped cavity structure, and an opening of the C-shaped cavity faces to the first bearing (1); the second isolation part (20) is of a C-shaped cavity structure, and an opening of the C-shaped cavity faces the second bearing (2);
the C-shaped cavity structure comprises a top part (201) of the isolation part, a middle part (202) of the isolation part and a bottom part (203) of the isolation part; the connecting line between the two opposite positioning openings of the first group of stripping positioning openings (41) passes through the middle part (202) of the isolation part, and the top (201) and the bottom (203) of the isolation part of the second isolation part (20) are respectively positioned at two sides of the connecting line between the first group of stripping positioning openings (41); the connecting line between two opposite positioning openings of the second group of stripping positioning openings (42) passes through the middle part of the isolation part of the first isolation part (10), and the top part and the bottom part of the isolation part of the first isolation part (10) are respectively positioned at two sides of the connecting line between the second group of stripping positioning openings (42);
the width of the C-shaped cavity is 0.05-0.15mm, and the central angle of the C-shaped cavity is 180-210 degrees.
2. The air-wiring drop fiber optic ribbon cable of claim 1 wherein the first set of stripping alignment openings (41) and the second set of stripping alignment openings (42) are triangular in end face configuration, the stripping alignment openings of both sets being disposed along the cable strip with the depth of the stripping alignment openings being 0.1-0.2mm; the distance between the triangular tip of the stripping positioning opening and the C-shaped cavity is 0.35-0.4mm.
3. The aerial wiring drop fiber optic ribbon cable of claim 2 wherein a third load bearing (3) is further provided outside the primary protective layer (4), the third load bearing (3) being covered by a secondary protective layer (30), the secondary protective layer (30) being connected to the primary protective layer (4) by a connection (43).
4. An air-wire drop fiber optic ribbon cable according to claim 3, wherein the primary protective layer (4) and the secondary protective layer (30) are made of PE or LSZH material; the optical fiber (01) adopts a crimpable optical fiber; the thickness of the secondary protective layer (30) is 0.3-0.4mm.
5. An aerial wiring drop fiber optic ribbon cable according to claim 3 wherein the second load bearing member (2) is FRP or steel wire material; the diameter of the second bearing (2) is 0.45-0.5mm; wherein the diameter of the third bearing (3) is 1.0-1.2mm of the reinforced steel wire, and the tensile strength of the reinforced steel wire is 190-195Mpa.
6. A aerial wiring drop fiber optic ribbon cable according to claim 3, wherein the thickness of the connection portion (43) is 0.2-0.5mm; the height of the connecting part (43) is 0.05-0.1mm, and the interval from the bottom of the main protective layer (4) to the top of the auxiliary protective layer (30) is 7-10mm.
7. The aerial wiring drop fiber optic ribbon cable of claim 1, wherein the distance from the outer surface of the first load bearing (1) to the inner surface of the C-cavity is 0.15-0.2mm; the distance from the outer surface of the second bearing (2) to the inner surface of the C cavity is 0.15-0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710667647.3A CN107340578B (en) | 2017-08-07 | 2017-08-07 | Aerial wiring leading-in optical fiber ribbon optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710667647.3A CN107340578B (en) | 2017-08-07 | 2017-08-07 | Aerial wiring leading-in optical fiber ribbon optical cable |
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| Publication Number | Publication Date |
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| CN107340578A CN107340578A (en) | 2017-11-10 |
| CN107340578B true CN107340578B (en) | 2023-09-05 |
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| CN201710667647.3A Active CN107340578B (en) | 2017-08-07 | 2017-08-07 | Aerial wiring leading-in optical fiber ribbon optical cable |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110126231A (en) * | 2019-06-05 | 2019-08-16 | 西安西古光通信有限公司 | A kind of easily branched optical cable of self-bearing type indoor and outdoor and its extrusion die |
| CN113777727A (en) * | 2021-08-03 | 2021-12-10 | 国网浙江省电力有限公司温州供电公司 | Beastly device is prevented to optical cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4252991B2 (en) * | 2005-02-10 | 2009-04-08 | 古河電気工業株式会社 | Optical fiber cable, optical fiber extraction method, and optical fiber extraction tool |
| JP4609250B2 (en) * | 2005-09-02 | 2011-01-12 | 日立電線株式会社 | Fiber optic cable |
| JP2009288271A (en) * | 2008-05-27 | 2009-12-10 | Sumitomo Electric Ind Ltd | Optical fiber cable |
| JP2012220506A (en) * | 2011-04-04 | 2012-11-12 | Sumitomo Electric Ind Ltd | Optical fiber cable |
| JP6462312B2 (en) * | 2014-10-27 | 2019-01-30 | 古河電気工業株式会社 | Optical fiber cable and optical fiber cable separation method |
| CN109782402B (en) * | 2016-07-15 | 2020-09-29 | 杭州富通通信技术股份有限公司 | Butterfly-shaped optical cable |
| CN207198409U (en) * | 2017-08-07 | 2018-04-06 | 天津长飞鑫茂光缆有限公司 | A kind of aerial distribution introduces optical fibre band optical cable |
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Address after: No. 98 Liukou Road, Yangliuqing Town, Xiqing District, Tianjin, 300000 Patentee after: Tianjin Futong Optical Cable Technology Co.,Ltd. Address before: No. 98 Liukou Road, Yangliuqing Town, Xiqing District, Tianjin, 300000 Patentee before: TIANJIN YOFC XMKJ OPTICAL CABLE Co.,Ltd. |
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Effective date of registration: 20230911 Address after: No.98, Liukou Road, Yangliuqing town, Xiqing District, Tianjin (no.23-1, new energy and new material industry base) Patentee after: Tianjin Futong Optical Cable Technology Co.,Ltd. Patentee after: Tianjin Futong Information Technology Co.,Ltd. Address before: No. 98 Liukou Road, Yangliuqing Town, Xiqing District, Tianjin, 300000 Patentee before: Tianjin Futong Optical Cable Technology Co.,Ltd. |