CN103353651A - Self-supporting easy-branched butterfly-shape optical cable - Google Patents
Self-supporting easy-branched butterfly-shape optical cable Download PDFInfo
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- CN103353651A CN103353651A CN2013102411437A CN201310241143A CN103353651A CN 103353651 A CN103353651 A CN 103353651A CN 2013102411437 A CN2013102411437 A CN 2013102411437A CN 201310241143 A CN201310241143 A CN 201310241143A CN 103353651 A CN103353651 A CN 103353651A
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Abstract
The invention relates to a self-supporting easy-branched butterfly-shape optical cable. The optical cable comprises an outer sheath (2), a suspension wire sheath (1), a suspension wire (4) and self-supporting butterfly-shape optical cable units (9). The outer sheath (2) and the suspension wire sheath (1) are a circular structure. The outer sheath (2) and the suspension wire sheath (1) are connected through a connection portion (3). The suspension wire (4) is arranged in the suspension wire sheath (1). The plurality of self-supporting butterfly-shape optical cable units (9) are arranged in the outer sheath (2). Each self-supporting butterfly-shape optical cable unit (9) comprises a butterfly sheath (5), a self-supporting suspension wire (6) and an optical fiber (7). The self-supporting suspension wire (6) wraps a head of the butterfly sheath (5). The optical fiber (7) is arranged on a middle portion of the butterfly sheath (5). The optical cable of the invention has the advantages that the outer sheath and the butterfly sheath are provided with the suspension wire so that self-supporting intensity is high; overhead laying cost is low, operation is convenient and labor intensity is low; branch usage is convenient; the cable after laying is under uniform stress so that optical cable machinery performance can be improved.
Description
Technical field
The present invention relates to the easily branched type butterfly optical cable of a kind of optical cable, particularly self-bearing type.
Background technology
Fiber To The Building to FTTB(along with photoelectric communication), the FTTO(Fiber-To-The-Office), FTTH(fiber-to-the-home front yard) etc. the development of direction, butterfly optical cable is used in Access Network in a large number.For simplifying construction maintenance, a kind of self-bearing type butterfly optical cable that can use at indoor and outdoors simultaneously is widely used; Outdoor section its can be used as that self-support cable is built on stilts to be used; Before optical cable is registered one's residence the messenger wire element cut off and be fixed on the special-purpose fixator, the residue optical cable removes and becomes butterfly optical cable behind the messenger wire element and introduce indoorly, cooperates fast connecting joint or optical fiber cold joint to use.Traditional butterfly optical cable lays inconvenience, and difficulty of construction is higher, and self-supporting intensity is lower.
Chinese patent application number: 201220437851.9 disclose a kind of self-bearing type butterfly photoelectric mixed cable, it comprises the butterfly sheath, be laid with optical communication element in the middle of it is characterized in that in the butterfly sheath, difference laying wire in both sides in the butterfly sheath, the outer upside of butterfly sheath is connected with messenger wire.Such structure construction gets up more loaded down with trivial details, in the future if carry out the Full Fibre Network transformation, necessary gigantic project, the time-consuming ground rewiring of taking a lot of work.
Chinese patent application number: 201220363366.1 disclose a kind of photoelectricity mixing ripple cable; comprise optical communication element, communication unit and oversheath; this optical communication element comprises at least one pair of fiber cores; this communication unit comprises at least one electronic communication link; its carrying of the ripple cable of this structure and resistance to tension are poor; the cable major part is exposed in the extraneous air, and after through long-term exposing to the sun and rain, the protective effect that the outer jacket of cable plays is little.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, provide a kind of self-supporting intensity high, be convenient to built on stilts to lay, branch is easy to use and can improve the easily branched type butterfly optical cable of self-bearing type of cable machinery performance.
Purpose of the present invention is achieved through the following technical solutions: the easily branched type butterfly optical cable of self-bearing type, it comprises oversheath, messenger wire sheath, messenger wire and self-bearing type butterfly optical cable unit, oversheath and messenger wire sheath are circular configuration, oversheath links to each other by connecting portion with the messenger wire sheath, messenger wire sheath inside is provided with messenger wire, a plurality of self-bearing type butterfly optical cables unit is arranged at oversheath inside, self-bearing type butterfly optical cable unit comprises butterfly sheath, self-bearing type messenger wire and optical fiber, the self-bearing type messenger wire is coated on the head of butterfly sheath, and optical fiber is arranged at the middle part of butterfly sheath.
The inside of described butterfly sheath also is provided with the reinforcement that is parallel to each other.
Described oversheath, messenger wire sheath, connecting portion and butterfly sheath adopt PVC or LSZH to make.
Described messenger wire is steel strand wires.
The present invention has the following advantages:
1, is provided with messenger wire on oversheath and the butterfly sheath, integratedly can satisfies stronger self-supporting intensity from bearing structure, have good laying property.
2, adopt this optical cable can conveniently implement the built on stilts of optical cable and lay, reduce built on stilts density, reduce fiber cable laying cost and labour intensity, improve fiber cable laying efficient.
3, optical cable is arranged in the butterfly sheath, is convenient to opening separating of stripping and butterfly optical cable of outer jacket, is convenient to butterfly optical cable and registers one's residence separately, is beneficial to the maintenance of butterfly optical cable form and dimensional precision, brings convenience to the user.
4, the reinforcement that is parallel to each other is set in the butterfly sheath, lays rear cable stressed evenly, significantly improve the mechanical property of butterfly optical cable.
Description of drawings
Fig. 1 is structural representation of the present invention;
Among the figure: 1-messenger wire sheath, 2-oversheath, 3-connecting portion, 4-messenger wire, 5-butterfly sheath, 6-self-bearing type messenger wire, 7-optical fiber, 8-reinforcement, 9-self-bearing type butterfly optical cable unit.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, the easily branched type butterfly optical cable of self-bearing type, it comprises oversheath 2, messenger wire sheath 1, messenger wire 4 and self-bearing type butterfly optical cable unit 9, oversheath 2 and messenger wire sheath 1 are circular configuration, oversheath 2 links to each other by connecting portion 3 with messenger wire sheath 1, messenger wire sheath 1 inside is provided with messenger wire 4, messenger wire 4 is steel strand wires, a plurality of self-bearing type butterfly optical cables unit 9 is arranged at oversheath 2 inside, self-bearing type butterfly optical cable unit 9 comprises butterfly sheath 5, self-bearing type messenger wire 6 and optical fiber 7, self-bearing type messenger wire 6 is coated on the head of butterfly sheath 5, and optical fiber 7 is arranged at the middle part of butterfly sheath 5; Oversheath 2, messenger wire sheath 1, connecting portion 3 and butterfly sheath 5 adopt PVC or LSZH to make.
The inside of butterfly sheath 5 also is provided with the reinforcement 8 that is parallel to each other, and is stressed even after laying, and increases substantially the mechanical property of butterfly optical cable.
The performance of butterfly cable comprises mechanical property and environmental performance, and wherein mechanical property comprises stretching, flattening, impact, bending, needs to meet the following requirements after check: 1, whole optical fiber do not rupture in the light unit; 2, oversheath is without the visible crackle of eyesight; 3, each element of the cable core in the oversheath is without the visible damage of eyesight; 4, the optical fiber after the experiment should be without remaining additional attenuation.
Be the butterfly optical cable of 1310nm for operation wavelength, its optical attenuation is not more than 0.4dB/km, be the butterfly cable of 1550nm for operation wavelength, its optical attenuation is not more than 0.3dB/km, and operating temperature range is-20 ℃～40 ℃, can adapt to various abominable working environments, its dynamic minimum bending radius is 20 times of diameter lengths, and static minimum bending radius is 10 times of radius length, when butterfly optical cable is the self-bearing type structure, after branch, can arbitrarily make somebody a mere figurehead and lay 50m, not need blank pipe to guide again.
Claims (4)
1. the easily branched type butterfly optical cable of self-bearing type, it is characterized in that: it comprises oversheath (2), messenger wire sheath (1), messenger wire (4) and self-bearing type butterfly optical cable unit (9), oversheath (2) and messenger wire sheath (1) are circular configuration, oversheath (2) links to each other by connecting portion (3) with messenger wire sheath (1), messenger wire sheath (1) inside is provided with messenger wire (4), a plurality of self-bearing type butterfly optical cables unit (9) are arranged at oversheath (2) inside, self-bearing type butterfly optical cable unit (9) comprises butterfly sheath (5), self-bearing type messenger wire (6) and optical fiber (7), self-bearing type messenger wire (6) is coated on the head of butterfly sheath (5), and optical fiber (7) is arranged at the middle part of butterfly sheath (5).
2. the easily branched type butterfly optical cable of self-bearing type according to claim 1, it is characterized in that: the inside of described butterfly sheath (5) also is provided with the reinforcement (8) that is parallel to each other.
3. the easily branched type butterfly optical cable of self-bearing type according to claim 1 is characterized in that: described oversheath (2), messenger wire sheath (1), connecting portion (3) and butterfly sheath (5) adopt PVC or LSZH to make.
4. the easily branched type butterfly optical cable of self-bearing type according to claim 1, it is characterized in that: described messenger wire (4) is steel strand wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102411437A CN103353651A (en) | 2013-06-18 | 2013-06-18 | Self-supporting easy-branched butterfly-shape optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102411437A CN103353651A (en) | 2013-06-18 | 2013-06-18 | Self-supporting easy-branched butterfly-shape optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103353651A true CN103353651A (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102411437A Pending CN103353651A (en) | 2013-06-18 | 2013-06-18 | Self-supporting easy-branched butterfly-shape optical cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730634A (en) * | 2015-04-15 | 2015-06-24 | 凌卫康 | Peeling device for self-supporting butterfly-shaped access optical cables |
| CN108461210A (en) * | 2018-03-27 | 2018-08-28 | 成都亨通光通信有限公司 | A kind of Novel 8-shaped radio frequency optoelectronic composite cable and its production method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074304A (en) * | 2010-12-30 | 2011-05-25 | 领亚电子科技股份有限公司 | Miniature special flat photoelectric composite cable and preparation method thereof |
| CN202939345U (en) * | 2012-12-04 | 2013-05-15 | 沈阳亨通光通信有限公司 | Self-supporting multi-core wiring butterfly cable |
| CN103149651A (en) * | 2012-12-28 | 2013-06-12 | 江苏亨通光电股份有限公司 | Easily-branching type multistrand rubber-insulated wire optical cable system and wiring method thereof |
-
2013
- 2013-06-18 CN CN2013102411437A patent/CN103353651A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074304A (en) * | 2010-12-30 | 2011-05-25 | 领亚电子科技股份有限公司 | Miniature special flat photoelectric composite cable and preparation method thereof |
| CN202939345U (en) * | 2012-12-04 | 2013-05-15 | 沈阳亨通光通信有限公司 | Self-supporting multi-core wiring butterfly cable |
| CN103149651A (en) * | 2012-12-28 | 2013-06-12 | 江苏亨通光电股份有限公司 | Easily-branching type multistrand rubber-insulated wire optical cable system and wiring method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730634A (en) * | 2015-04-15 | 2015-06-24 | 凌卫康 | Peeling device for self-supporting butterfly-shaped access optical cables |
| CN104730634B (en) * | 2015-04-15 | 2017-11-10 | 谢一森 | A kind of self-bearing type butterfly leading in cable stripping device |
| CN108461210A (en) * | 2018-03-27 | 2018-08-28 | 成都亨通光通信有限公司 | A kind of Novel 8-shaped radio frequency optoelectronic composite cable and its production method |
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Application publication date: 20131016 |