CN111766668A - Tail fiber protection method and protection device thereof - Google Patents
Tail fiber protection method and protection device thereof Download PDFInfo
- Publication number
- CN111766668A CN111766668A CN202010732704.3A CN202010732704A CN111766668A CN 111766668 A CN111766668 A CN 111766668A CN 202010732704 A CN202010732704 A CN 202010732704A CN 111766668 A CN111766668 A CN 111766668A
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- China
- Prior art keywords
- fiber
- tail fiber
- protective sleeve
- tail
- cladding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
Abstract
The invention relates to the field of optical communication, in particular to a method and a device for protecting a tail fiber, wherein the method for protecting the tail fiber comprises the following steps: removing a cladding of a section of tail fiber to obtain a section of bare fiber; penetrating the tail fiber into a protective sleeve, embedding a part of each of the bare fiber and the tail fiber with the cladding in the protective sleeve, and attaching the tail fiber with the cladding to the inner side of the protective sleeve; pouring glue into the gap between the protective sleeve and the bare fiber, and forming a glue layer after curing; compared with the prior art, the tail fiber protection method and the tail fiber protection device can effectively prevent the cladding of the tail fiber from shrinking inwards when heated, further prevent the tail fiber from generating faults and ring cracks, further prevent the bending radius of the tail fiber from becoming small, further improve the lateral tensile strength range of the tail fiber, further ensure that the tail fiber is not easy to break, and prolong the service life of the tail fiber.
Description
Technical Field
The invention relates to the field of optical communication, in particular to a method and a device for protecting a tail fiber.
Background
Optical fiber communication is a communication mode mainly using optical fibers to transmit signals so as to realize information transmission; the optical fiber consists of a fiber core and a cladding wrapped outside the fiber core, the total reflection of an optical signal in the fiber core, namely the transmission of the optical signal, is realized through the difference of the refractive indexes of the fiber core and the cladding, and the cladding plays a role in enhancing the toughness of the optical fiber to protect the optical fiber, wherein the fiber core is usually a glass fiber, the cladding usually uses acrylic resin and thermoplastic resin, the cladding material has high expansion and contraction rate, the shrinkage phenomenon can occur after the cladding material is heated, and the change of the glass fiber material of the fiber core is not large after the cladding material is heated; generally speaking, the tail of the optical fiber needs to be protected to prevent the optical fiber from being broken when being laterally stretched, and generally, the optical fiber is protected by using a plastic tail sleeve, specifically, the tail optical fiber and the plastic tail sleeve are bonded and fixed by glue, and then the glue is cured by heating, and in the heating process, the cladding of the optical fiber is heated and shrunk inwards, but the fiber core is not changed greatly in the process, so that the ring crack phenomenon occurs in the cladding, the bending radius of the optical fiber is reduced, and the optical fiber is easy to break when being laterally stretched.
Therefore, there is a need for a method and apparatus for protecting a pigtail that can prevent the cladding from ring-splitting and increase the tensile strength of the fiber side.
Disclosure of Invention
The present invention is directed to provide a method and an apparatus for protecting a pigtail, which can prevent the cladding from ring-splitting and improve the tensile strength range of the optical fiber side.
The technical scheme adopted by the invention for solving the technical problems is as follows: the method for protecting the tail fiber is provided, and the preferable scheme is that the method for protecting the tail fiber specifically comprises the following steps:
removing a cladding of a section of tail fiber to obtain a section of bare fiber;
penetrating the tail fiber into a protective sleeve, embedding a part of each of the bare fiber and the tail fiber with the cladding in the protective sleeve, and attaching the tail fiber with the cladding to the inner side of the protective sleeve;
and pouring glue into the gap between the protective sleeve and the bare fiber, and curing to form a glue layer.
The preferable scheme is that the method for protecting the tail fiber further comprises the following steps:
and the end part of the protective sleeve, which is close to one end of the tail fiber with the tape coating, is wrapped with a glue layer.
The preferable scheme is that the method for protecting the tail fiber further comprises the following steps:
and after glue is poured into the protective sleeve, heating the position of the corresponding bare fiber of the protective sleeve to solidify the glue.
In order to solve the problems in the prior art, the invention also provides a pigtail protection device, and the preferred scheme is as follows: the device is used for realizing the tail fiber protection method, the tail fiber protection device comprises a tail fiber and a protective sleeve for protecting the tail fiber, the tail fiber comprises a bare fiber section with a removed cladding and a covered layer section, and the protective sleeve is sleeved outside the bare fiber section and the covered layer section.
The protective sleeve is a glass tube, and the glass tube is sleeved outside the bare fiber section and the belt cladding section.
The device further comprises a shell, and the protective sleeve is arranged at the fiber outlet part of the shell.
The preferable scheme is that a glue layer is arranged between the tail fiber and the protective sleeve, and the tail fiber is fixed in the protective sleeve through the glue layer.
The protective sleeve is provided with a rubber ring for preventing the tail fiber from being broken when the tail fiber is pulled laterally.
Compared with the prior art, the tail fiber protection method and the tail fiber protection device have the advantages that the tail fiber protection method and the tail fiber protection device can effectively prevent the cladding of the tail fiber from shrinking inwards due to heating, further prevent the tail fiber from generating faults and ring cracks, further prevent the bending radius of the tail fiber from being reduced, further improve the lateral tensile strength range of the tail fiber, further enable the tail fiber not to be easily broken, and prolong the service life of the tail fiber.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a first flow chart of a method for protecting a pigtail in the present invention;
FIG. 2 is a second flow chart of a pigtail protection method of the present invention;
FIG. 3 is a flow chart III of a method for protecting a pigtail in the present invention;
fig. 4 is a schematic structural diagram of a pigtail protection device in the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present invention provides a preferred embodiment of a pigtail protection method.
Referring to fig. 1, a method for protecting a pigtail specifically includes the following steps:
s1, removing a cladding of one section of tail fiber to obtain a section of bare fiber;
s2, penetrating the tail fiber into a protective sleeve, embedding a part of each of the bare fiber and the tail fiber with the cladding in the protective sleeve, and attaching the tail fiber with the cladding to the inner side of the protective sleeve;
and S3, pouring glue into the gap between the protective sleeve and the bare fiber, and curing to form a glue layer.
Further, and with reference to fig. 2, the pigtail protection method further comprises the steps of:
s31, after glue is poured into the protective sleeve, heating the position of the corresponding bare fiber end of the protective sleeve to solidify the glue.
In particular, the abbreviation of optical fiber, in the daily life, because the loss of light transmitted through the optical fiber is much lower than the loss of electricity transmitted through the electric wire, the optical fiber is often used for long distance information transmission, i.e. a fine core is encapsulated in a cladding so that it can be bent without breaking, the core is usually made of glass fiber, the cladding is usually made of acrylic resin and thermoplastic resin, generally, the tail of the optical fiber needs to be protected, and in the prior art, the protection method for the tail fiber is as follows: the fiber core is not changed greatly after being heated due to the characteristics of the fiber core and the cladding material, and the cladding is retracted after being heated due to the large expansion rate of the material, so that the cladding can generate a ring crack phenomenon, the bending radius of the optical fiber is reduced, and the optical fiber is easy to break when the optical fiber is subjected to side stretching; in this embodiment, the cladding of a section of the tail fiber is removed to obtain a section of bare fiber, the tail fiber is inserted into the protective sheath, and a part of each of the bare fiber and the tail fiber with the cladding is in the protective sheath; set up like this, just only with the naked fibre end position of correspondence to the protective sheath heating for the glue solidification, so, the tail fiber of taking the covering is heated for a short time, and the ring that leads to because of being heated the internal contraction can not appear in its covering splits the phenomenon, has prevented effectively that the tail fiber from appearing the fault, has effectively prevented that tail fiber bend radius diminishes, thereby has protected the tail fiber effectively.
Further, and with reference to fig. 3, the pigtail protection method further comprises the steps of:
s4, wrapping a glue layer at the end part of the protective sleeve close to one end of the tail fiber with the tape layer.
Specifically, after the tail fiber and the protective sleeve are fixed, the end part of one end, close to the tail fiber with the tape coating, of the protective sleeve is wrapped with a layer of glue, so that the tail fiber is still protected when being laterally pulled.
As shown in fig. 4, the present invention provides a preferred embodiment of a pigtail protection device.
A pigtail protection device, referring to FIG. 4, is used for implementing the pigtail protection method, the pigtail protection device comprises a pigtail 100, a protective sheath 200 for protecting the pigtail 100, the pigtail 100 comprises a bare fiber section 110 with a removed cladding and a covered section 120, and the protective sheath 200 is sleeved outside the bare fiber section 110 and the covered section 120.
Specifically, the protective sleeve 200 is a glass tube, the tail fiber penetrates through the glass tube, so that the bare fiber section 100 and the covered section 120 are partially in the glass tube 200, then, glue is injected into the glass tube and heated, so that the glue is cured to form the glue layer 300, and the tail fiber can be effectively fixed by only heating the corresponding bare fiber section of the glass tube 200 and partially cured, so that the covered section 120 is heated little in the heating process, and the ring crack phenomenon caused by heated internal shrinkage can not occur.
Further, the end of the glass tube 200 near the belt package section 120 is provided with a rubber ring 400 for preventing the breakage of the pigtail during the side pulling.
Further, the device further comprises a housing 500, and the protective sleeve 200 is arranged at the fiber outlet part of the housing 500.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, but rather as embodying the invention in a wide variety of equivalent variations and modifications within the scope of the appended claims.
Claims (8)
1. A method for protecting a tail fiber is characterized by comprising the following steps:
removing a cladding of a section of tail fiber to obtain a section of bare fiber;
penetrating the tail fiber into a protective sleeve, embedding a part of each of the bare fiber and the tail fiber with the cladding in the protective sleeve, and attaching the tail fiber with the cladding to the inner side of the protective sleeve;
and pouring glue into the gap between the protective sleeve and the bare fiber, and curing to form a glue layer.
2. A pigtail protection method according to claim 1, characterized in that it further comprises the steps of:
and the end part of the protective sleeve, which is close to one end of the tail fiber with the tape coating, is wrapped with a glue layer.
3. A pigtail protection method according to claim 1, characterized in that it further comprises the steps of:
and after glue is poured into the protective sleeve, heating the position of the corresponding bare fiber of the protective sleeve to solidify the glue.
4. A pigtail protection device which characterized in that: the device is used for realizing the method for protecting the tail fiber according to any one of claims 1 to 3, the tail fiber protecting device comprises the tail fiber and a protecting sleeve used for protecting the tail fiber, the tail fiber comprises a bare fiber section with a removed cladding and a covered section, and the protecting sleeve is sleeved outside the bare fiber section and the covered section.
5. The protection device of claim 4, wherein: the protective sleeve is a glass tube, and the glass tube is sleeved outside the bare fiber section and the belt cladding section.
6. The pigtail protection device of claim 4, wherein: the device also comprises a shell, and the protective sleeve is arranged at the fiber outlet part of the shell.
7. The pigtail protection device of claim 4, wherein: a glue layer is arranged between the tail fiber and the protective sleeve, and the tail fiber is fixed in the protective sleeve through the glue layer.
8. The pigtail protection device of claim 4, wherein: the end part of the protective sleeve close to the belt package section is provided with a rubber ring for preventing the tail fiber from being broken when being pulled laterally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010732704.3A CN111766668A (en) | 2020-07-27 | 2020-07-27 | Tail fiber protection method and protection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010732704.3A CN111766668A (en) | 2020-07-27 | 2020-07-27 | Tail fiber protection method and protection device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111766668A true CN111766668A (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010732704.3A Withdrawn CN111766668A (en) | 2020-07-27 | 2020-07-27 | Tail fiber protection method and protection device thereof |
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| Country | Link |
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| CN (1) | CN111766668A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112346180A (en) * | 2019-08-09 | 2021-02-09 | 汇聚科技（惠州）有限公司 | Method for packaging optical fiber and metal part |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841415A (en) * | 2011-06-22 | 2012-12-26 | 中国科学院沈阳自动化研究所 | Switching device and switching method for fiber optic micro cable of underwater robot |
| CN103759667A (en) * | 2014-01-14 | 2014-04-30 | 南京航空航天大学 | Embedded type fiber bragg grating strain transducer for surface grooved-type road and manufacturing method for embedded type fiber bragg grating strain transducer |
| US20150030293A1 (en) * | 2011-12-29 | 2015-01-29 | Wuhan Telecommunication Devices Co., Ltd. | Mounting and fixing structure for optical fiber of photoelectron device |
| US20160341899A1 (en) * | 2015-05-21 | 2016-11-24 | Sumitomo Metal Mining Co., Ltd. | Pigtail fiber module |
| CN208172322U (en) * | 2018-05-18 | 2018-11-30 | 深圳市福津光电技术有限公司 | Semiconductor Laser coupling tail fiber |
-
2020
- 2020-07-27 CN CN202010732704.3A patent/CN111766668A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841415A (en) * | 2011-06-22 | 2012-12-26 | 中国科学院沈阳自动化研究所 | Switching device and switching method for fiber optic micro cable of underwater robot |
| US20150030293A1 (en) * | 2011-12-29 | 2015-01-29 | Wuhan Telecommunication Devices Co., Ltd. | Mounting and fixing structure for optical fiber of photoelectron device |
| CN103759667A (en) * | 2014-01-14 | 2014-04-30 | 南京航空航天大学 | Embedded type fiber bragg grating strain transducer for surface grooved-type road and manufacturing method for embedded type fiber bragg grating strain transducer |
| US20160341899A1 (en) * | 2015-05-21 | 2016-11-24 | Sumitomo Metal Mining Co., Ltd. | Pigtail fiber module |
| CN208172322U (en) * | 2018-05-18 | 2018-11-30 | 深圳市福津光电技术有限公司 | Semiconductor Laser coupling tail fiber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112346180A (en) * | 2019-08-09 | 2021-02-09 | 汇聚科技（惠州）有限公司 | Method for packaging optical fiber and metal part |
| CN112346180B (en) * | 2019-08-09 | 2022-04-29 | 汇聚科技（惠州）有限公司 | Method for packaging optical fiber and metal part |
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Application publication date: 20201013 |