CN105301717B - Optical cable separated time protects structure - Google Patents
Optical cable separated time protects structure Download PDFInfo
- Publication number
- CN105301717B CN105301717B CN201510708948.7A CN201510708948A CN105301717B CN 105301717 B CN105301717 B CN 105301717B CN 201510708948 A CN201510708948 A CN 201510708948A CN 105301717 B CN105301717 B CN 105301717B
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- Prior art keywords
- cable
- separated time
- sub
- clad
- fiber
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Classifications
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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
-
- 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
Abstract
The invention discloses a kind of optical cable separated times to protect structure, including：One main cable and several sub-light cables gone out by the main cable separated time, at the separated time of the main cable and several sub-light cables on the outside of be equipped with a deconcentrator.It is equipped with the ring bushings compressed with clad on the outside of main cable section of the present invention, and sub- optical cable segment is without ring bushings, since aramid fiber is between clad and armour pipe, therefore throwing for aramid fiber can be efficiently used, main cable inner fiber is set there are enough free activity spaces, to ensure that optical fiber has length remaining enough to meet various use environments, and then it ensure that the optical property and signal transmission effect of optical fiber.Single-core fiber and aramid fiber of the present invention are located in armour pipe, and armour pipe and clad layer-forming one, it forms fixation between thermoplastic sebific duct, therefore the clad length of outer layer can be with fixed length, when making separated time, the length of each single sub-light cable is controllable, and the length consistency of branch's sub-light cable can be effectively ensured.
Description
Technical field：
The present invention relates to fiber optic communications interconnection technique fields, and in particular to be a kind of optical cable separated time protection structure.
Background technology：
In current multifiber cable transmission line structure, need single sub-light cable drawing separated time from main cable, and key light
Cable housing can be truncated at separated time, and single sub-light cable is pulled out through deconcentrator, and deconcentrator is placed on main cable and single sub-light cable
Separated time at, and encapsulating encapsulate.This branching structure has the following disadvantages：One, when in use due to optical cable, it needs to ensure optical fiber
There is length remaining enough, so that optical fiber can be freely movable, to ensure the optical property of optical fiber transmission.But in master in existing structure
Cable is encapsulated at the separated time of sub- cable by encapsulating, then the optical fiber in the optical cable of encapsulating position can be caused to be fixed, can not ensure optical fiber
Optical property, influence the signal transmission effect of optical fiber；Two, the tension stress element of single sub-light cable is set to son in existing structure
In the clad of optical cable, since tension stress element can be thrown, the clad of outer layer is difficult to realize fixed length, divides making
When line, the length of single sub-light cable is uncontrollable, can lead to the problem of the length consistency difference of branch's sub-light cable.
Invention content：
For this purpose, sub-light cable consistency is good after a kind of the purpose of the present invention is to provide signal transmission through fiber effects good, separated time
Optical cable separated time protect structure.
To achieve the above object, the present invention mainly adopts the following technical scheme that：
A kind of optical cable separated time protection structure, including：
One main cable and several sub-light cables gone out by the main cable separated time, in point of the main cable and several sub-light cables
Outside is equipped with a deconcentrator at line.
The main cable by the first clad, the first tension stress element in the first clad, be located at the first anti-tensile
The first armour pipe in power element and several first single-core fibers in the first armour pipe are constituted.
Further, the first tension stress element is aramid fiber.
Further, the sub-light cable by the second clad, the second armour pipe in the second clad, be located at the second armour
The second tension stress element in pipe and the second single-core fiber in the second tension stress element are constituted, the second single light
It is fine to be connected as one with first single-core fiber.
Further, the second tension stress element is aramid fiber.
Further, the deconcentrator include thermoplastic sebific duct, separated time body and ring bushings, the ring bushings correspondence be nested with
On the outside of main cable section at the separated time of main cable and several sub-light cables；The separated time body, which corresponds to, is placed on the outer of ring bushings
Side, and coat main cable and on the outside of the main cable section at the separated time of several sub-light cables and sub- optical cable segment outside；The thermoplastic sebific duct
It is placed on the outside of the separated time body.
Further, the thermoplastic sebific duct is the mid diameter tubular body bigger than both ends diameter, and the separated time body is located at heat
Middle section in plastic pipe.
Further, the ring bushings are metal sleeve.
Main cable ecto-entad of the present invention is followed successively by clad, aramid fiber, armour pipe and several single-core fibers, and sub-light cable is by outer
Inwardly be followed successively by clad, armour pipe, aramid fiber and single-core fiber, and at the separated time of main cable and sub-light cable on the outside of be equipped with separated time
Device, deconcentrator are internally provided with the separated time body of fixed main cable and sub-light cable, and are provided in separated time body and compress main cable
Ring bushings.Compared with prior art, the present invention has the following advantages：
One, main cable section ecto-entad structure of the present invention is clad, aramid fiber, armour pipe and several single-core fibers, and key light
The ring bushings compressed with clad are equipped on the outside of cable section, and sub- optical cable segment is coated without ring bushings since aramid fiber is located at
Between layer and armour pipe, therefore throwing for aramid fiber can be efficiently used, main cable inner fiber is made there are enough free activity spaces, from
And ensure that optical fiber has length remaining enough to meet various use environments, and then ensure that the optical property and signal transmission effect of optical fiber
Fruit.
Two, the sub- optical cable segment ecto-entad structure of the present invention is clad, armour pipe, aramid fiber and single-core fiber, single-core fiber and
Aramid fiber is located in armour pipe, and armour pipe and clad layer-forming one, is formed and is fixed between thermoplastic sebific duct, therefore the cladding of outer layer
Layer length can be with fixed length, and when making separated time, the length of each single sub-light cable is controllable, and branch's sub-light cable can be effectively ensured
Length consistency.
Description of the drawings：
Fig. 1 is the stereoscopic schematic diagram that optical cable separated time protects structure；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is enlarged diagram at A in Fig. 2.
Identifier declaration in figure：Main cable 100, the first single-core fiber 101, the first armour pipe 102, the first tension stress element 103,
First clad 104, deconcentrator 200, thermoplastic sebific duct 201, separated time body 202, ring bushings 203, sub-light cable 300, second coat
The 301, second armour pipe 302 of layer, the second tension stress element 303, the second single-core fiber 304.
Specific implementation mode：
To illustrate the thought and purpose of the present invention, the present invention is done further below in conjunction with the drawings and specific embodiments
Explanation.
It refers to shown in Fig. 1, Fig. 2, Fig. 1 is the stereoscopic schematic diagram that optical cable separated time protects structure；Fig. 2 is Fig. 1's
Sectional view.The present embodiment discloses a kind of optical cable separated time protection structure, when being mainly used for optical cable progress separated time making, because of optical cable
The problem of interior tension stress element is thrown and leads to the cause different in size of branch's sub-light cable and pass through at main push-towing rope and the separated time of sub- cable
Encapsulating encapsulates, and the optical fiber in the optical cable of encapsulating position can be caused to be fixed, can not ensure the optical property of optical fiber, influence the letter of optical fiber
The problem of number laser propagation effect.
Optical cable separated time protection structure provided by the embodiment includes main cable 100 and several root optical cables 300, wherein described
Sub-light cable 300 be by being formed after the fiber-optic sub-line in main cable 100.
It is equipped with a deconcentrator 200 on the outside of at the separated time of main cable 100 and sub-light cable 300, passes through the deconcentrator 200
Separated time part is protected.
As shown in figure 3, the present embodiment main cable 100 is mainly anti-including the first single-core fiber 101, the first armour pipe 102, first
Tension element 103 and the first clad 104.Wherein the first single-core fiber 101 has more, in this more first single-core fibers
101 outsides are coated with the first armour pipe 102, and the first tension stress element 103 is coated in the outside of the first armour pipe 102, and first is anti-
The outside of tension element 103 is coated with the first clad 104.
The first armour pipe 102 in the present embodiment is metal armour pipe, for protecting the first single-core fiber 101.First tension stress
Element 103 is aramid fiber, and the first clad 104 is outer quilt made of insulating materials.
The present embodiment sub-light cable 300 mainly includes the second clad 301, the second armour pipe 302, the second tension stress element
303 and second single-core fiber 304.Only second single-core fiber 304 wherein in sub-light cable 300, in the second single-core fiber 304
Outside be coated with the second tension stress element 303, the outside of the second tension stress element 303 is coated with the second armour pipe 302, and second
The outside of armour pipe 302 is coated with the second clad 301.
The second armour pipe 302 in the present embodiment is metal armour pipe, and the second tension stress element 303 is aramid fiber, and the second cladding
Layer 301 is outer quilt made of insulating materials.Wherein the second single-core fiber 304 and the first single-core fiber 101 are same optical fiber.
The present embodiment deconcentrator 200 includes thermoplastic sebific duct 201, separated time body 202 and ring bushings 203.Thermoplastic sebific duct 201 is
The mid diameter tubular body bigger than both ends diameter, separated time body 202 are located at the larger cannula portion of the mid diameter in thermoplastic sebific duct 201
Point, main cable 100 and sub-light cable 300 are located at the smaller sleeve portion of 201 both ends diameter of thermoplastic sebific duct.Ring bushings 203
For metal sleeve, it is located in separated time body 202.The wherein correspondence of ring bushings 203 is placed on main cable 100 and several sub-light cables 300
Separated time at 100 sections of main cable outside.
Separated time body 202 corresponds to the outside for being placed on ring bushings 203, and coats main cable 100 and several sub-light cables 300
300 sections of outsides in 100 sections of outsides of main cable and sub-light cable at separated time.
The problem of being thrown for the tension stress element in optical cable and leading to the cause different in size of branch's sub-light cable, this hair
Pine torch optical cable segment ecto-entad structure is clad, armour pipe, aramid fiber and single-core fiber, and single-core fiber and aramid fiber are located in armour pipe,
And armour pipe and clad layer-forming one, formed and fixed between thermoplastic sebific duct, thus the clad length of outer layer can with fixed length,
When making separated time, the length of each single sub-light cable is controllable, and the length consistency of branch's sub-light cable can be effectively ensured.
In addition, being encapsulated by encapsulating at the separated time of sub- cable for main push-towing rope, the optical fiber in the optical cable of encapsulating position can be caused solid
The problem of fixing, can not ensureing the optical property of optical fiber, influence the signal transmission effect of optical fiber.Main cable section of the present invention is by extroversion
Interior structure is clad, aramid fiber, armour pipe and several single-core fibers, and the pressure compressed with clad is equipped on the outside of main cable section
Eyelet thimble, and sub- optical cable segment, since aramid fiber is between clad and armour pipe, can efficiently use aramid fiber without ring bushings
Throw, so that main cable inner fiber is had enough free activity spaces, to ensure that optical fiber has length remaining enough to meet various make
With environment, and then it ensure that the optical property and signal transmission effect of optical fiber.
In conclusion optical cable separated time using the present invention protects structure, optical cable can be effectively ensured and carrying out separated time making
When signal transmission through fiber effect and separated time after sub-light cable consistency.
It is that optical cable separated time provided by the present invention protection structure is described in detail above, tool used herein
Body example is expounded the structural principle and embodiment of the present invention, and above example is merely used to help understand the present invention
Method and its core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, it is being embodied
There will be changes in mode and application range, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (5)
1. a kind of optical cable separated time protects structure, which is characterized in that including：
One main cable (100), the main cable (100) by the first clad (104), be located in the first clad (104) the
Primary antibody tension element (103), be located at the first tension stress element (103) in the first armour pipe (102) and be located at the first armour pipe
(102) several first single-core fibers (101) in are constituted；
Several sub-light cables (300), are gone out, the sub-light cable (300) is by the second clad by the main cable (100) separated time
(301), it is located at the second armour pipe (302) in the second clad (301), the second tension stress being located in the second armour pipe (302) member
Part (303) and the second single-core fiber (304) in the second tension stress element (303) are constituted, second single-core fiber
(304) it is connected as one with first single-core fiber (101)；
One deconcentrator (200), including thermoplastic sebific duct (201), separated time body (202) and ring bushings (203), the ring bushings
(203) corresponding to be placed on main cable (100) and main cable (100) section outside at the separated time of several sub-light cables (300)；Described point
The corresponding outside for being placed on ring bushings (203) of wire body (202), and coat point of the main cable (100) with several sub-light cables (300)
On the outside of main cable (100) section at line and on the outside of sub-light cable (300) section；The thermoplastic sebific duct (201) is placed on the separated time body
(202) outside.
2. optical cable separated time as described in claim 1 protects structure, which is characterized in that the first tension stress element (103) is
Aramid fiber.
3. optical cable separated time as described in claim 1 protects structure, which is characterized in that the second tension stress element (303) is
Aramid fiber.
4. optical cable separated time as described in claim 1 protects structure, which is characterized in that the thermoplastic sebific duct (201) is intermediate straight
The diameter tubular body bigger than both ends diameter, the separated time body (202) are located at the middle section in thermoplastic sebific duct (201).
5. optical cable separated time as described in claim 1 protects structure, which is characterized in that the ring bushings (203) are metallic sheath
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510708948.7A CN105301717B (en) | 2015-10-27 | 2015-10-27 | Optical cable separated time protects structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510708948.7A CN105301717B (en) | 2015-10-27 | 2015-10-27 | Optical cable separated time protects structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105301717A CN105301717A (en) | 2016-02-03 |
| CN105301717B true CN105301717B (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510708948.7A Active CN105301717B (en) | 2015-10-27 | 2015-10-27 | Optical cable separated time protects structure |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110764204B (en) * | 2019-09-30 | 2021-07-30 | 中航光电科技股份有限公司 | Optical cable branching structure and deconcentrator thereof |
| CN110579848A (en) * | 2019-10-12 | 2019-12-17 | 广州市联兴光通信设备有限公司 | reinforced outdoor optical fiber jumper wire for base station and manufacturing method thereof |
| CN112394462B (en) * | 2020-11-18 | 2022-04-15 | 中国航天时代电子有限公司 | Optical fiber beam splitting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201210190Y (en) * | 2008-02-25 | 2009-03-18 | 中航光电科技股份有限公司 | Optic cable transmission line deconcentrator and deconcentrating structure using the same |
| CN203587851U (en) * | 2013-10-14 | 2014-05-07 | 中国通信建设集团有限公司 | Optical cable transmission line splitter |
| CN203643655U (en) * | 2013-12-03 | 2014-06-11 | 罗森伯格亚太电子有限公司 | Central tube optical cable splitter |
| CN204575909U (en) * | 2014-12-26 | 2015-08-19 | 东捷光电科技(苏州)有限公司 | A kind of sheath temperature optical cable for sensing |
| CN205643787U (en) * | 2015-10-27 | 2016-10-12 | 深圳市恒捷丰光电科技有限公司 | Optical cable separated time protection architecture |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009150011A1 (en) * | 2008-06-10 | 2009-12-17 | Tyco Electronics Nederland Bv | Fiber optic furcation assembly |
-
2015
- 2015-10-27 CN CN201510708948.7A patent/CN105301717B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201210190Y (en) * | 2008-02-25 | 2009-03-18 | 中航光电科技股份有限公司 | Optic cable transmission line deconcentrator and deconcentrating structure using the same |
| CN203587851U (en) * | 2013-10-14 | 2014-05-07 | 中国通信建设集团有限公司 | Optical cable transmission line splitter |
| CN203643655U (en) * | 2013-12-03 | 2014-06-11 | 罗森伯格亚太电子有限公司 | Central tube optical cable splitter |
| CN204575909U (en) * | 2014-12-26 | 2015-08-19 | 东捷光电科技(苏州)有限公司 | A kind of sheath temperature optical cable for sensing |
| CN205643787U (en) * | 2015-10-27 | 2016-10-12 | 深圳市恒捷丰光电科技有限公司 | Optical cable separated time protection architecture |
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| Publication number | Publication date |
|---|---|
| CN105301717A (en) | 2016-02-03 |
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Address after: 518000 Fumin Community Nuclear Power Industrial Park No. 7 401, Fucheng Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Hengjie Optical Communication Technology Co., Ltd Address before: 518000 Guangdong province Shenzhen city Baoan District Road, Dalang street, Hua Fan anda science and Technology Industrial Park building seven floor Third South separator Patentee before: SHENZHEN ACE ARMORED CABLE CO., Ltd. |
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