CN102313929B - Fiber splicing protector and protection method - Google Patents
Fiber splicing protector and protection method Download PDFInfo
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- CN102313929B CN102313929B CN 201010224489 CN201010224489A CN102313929B CN 102313929 B CN102313929 B CN 102313929B CN 201010224489 CN201010224489 CN 201010224489 CN 201010224489 A CN201010224489 A CN 201010224489A CN 102313929 B CN102313929 B CN 102313929B
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- pipe
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- oversheath
- optical fiber
- internal lining
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Abstract
The invention discloses a fiber splicing protector and a protection method. The protector provided by the invention comprises fibers spliced together, a liner pipe with an opening at the middle segment, an outside protective case and two plugs, wherein the spliced welding spot of the fibers is sleeved with a thermal shrinkage pipe for packaging the welding spot of the fibers; the fibers spliced together are penetrated in the liner pipe so that the thermal shrinkage pipe is located at the opening; the outside protective case is sleeved on the liner pipe; and the two plugs are respectively used for sealing the two ends of the outside protective case. The fiber splicing protector is used for splicing the outside protective case fully or locally. Welding spot protection in the fiber connection process can be effectively, simply and conveniently realized in the fields such as fiber transmission, fiber communication, fiber sensing and the like.
Description
Technical field
The present invention relates to a kind of optical fiber technology, particularly fiber splicing protector and the guard method in the fields such as Optical Fiber Transmission, optical-fibre communications, Fibre Optical Sensor.
Background technology
Optical fiber is present main flow transmission medium, therefore the advantage such as have transmission frequency bandwidth, message capacity is large, loss is low, be not subjected to electromagnetic interference (EMI), optic cable diameter is little, lightweight, the starting material source is abundant is widely used in communication, TV, the data transmission network.
Sensing technology based on optical fiber has the unrivaled applicating superiority of other sensing technology, so that it is bringing into play more and more important effect aspect great infrastructure, civil infrastructure and the high-risk project security monitoring.
No matter optical fiber fusion welding technology is to increase Optical fiber relay to amplify transmission range, improve the fade margin of optical fiber link, Fiber to the home solution in optical-fibre communications, or realizes that in optical fiber sensing network distribution topology monitoring of structures and system access all play an important role.General welding quality is directly determining the light loss size, and the fusion point protection is then directly determining serviceable life and the maintenance cost of system.
The welding protective device generally includes heat-shrink tube protection and fixing, hermetically-sealed construction; but existing welding protection is only paid close attention to wherein on the one hand usually; therefore so that current fusion connection point protection device poor reliability, a trouble spot and maintenance point have now been become in optical fiber communication and the sensing network the most frequently.
The present invention is intended to solve the problems such as easily broken core in the fibre junction process, disconnected fibre, complicated operation, bad mechanical strength, sealing be poor, be conducive to simplify the construction operation at complex engineering scene, shorten the activity duration, effective extension device life-span, thus reduce the engineering maintenance amount.
Summary of the invention
The purpose of this invention is to provide a kind of fiber splicing protector that is applicable to, can effectively reach and realize easily in optical-fibre communications and the sensing network contact in the fibre junction process being protected.
The purpose of this invention is to provide a kind of fused fiber splice guard method that is applicable to, can effectively reach in easy realization optical-fibre communications and the sensing network contact in the fibre junction process is protected.
According to first aspect present invention, a kind of fiber splicing protector is provided, comprising:
The optical fiber that is welded together has heat-shrink tube at its welding solder joint cover, with the packaged fiber solder joint;
The stage casing penetrates in it on optical fiber that is welded together with the internal lining pipe of opening, makes described heat-shrink tube be positioned at described aperture position;
The oversheath pipe is socketed on the internal lining pipe;
Two plugs, the respectively two ends of the described oversheath pipe of shutoff.
Wherein, crimping is carried out in the whole or part of described oversheath pipe.
Wherein, two plugs are respectively the tapered hollow flexible tube with platform, and the two ends of wherein said oversheath pipe are the platform of the described plug of crimping respectively.
Wherein, the platform of described plug is by the bond two ends inwall of described oversheath pipe of marine glue.
Wherein, bond the respectively sheath of optical fiber of internal lining pipe two ends, and heat-shrink tube is bonded on the internal lining pipe.
Wherein, the oversheath of described optical fiber is metal knitted electrostatic screening layer.
According to second aspect present invention, a kind of fused fiber splice guard method is provided, may further comprise the steps:
The solder joint of the optical fiber that is integrated in welding is set with heat-shrink tube, with the packaged fiber solder joint;
The stage casing is enclosed within welding on the optical fiber together with the internal lining pipe of opening, makes described heat-shrink tube be positioned at described aperture position;
With the oversheath pipe box on internal lining pipe; And
Two ends with two described oversheath pipes of plugs difference shutoff.
Wherein, two plugs are respectively the tapered hollow flexible tube with platform, and the two ends of wherein said oversheath pipe are the platform of the described plug of crimping respectively.
Wherein, the platform of described plug is by the bond two ends inwall of described oversheath pipe of marine glue.
Wherein, bond the respectively metal knitted electrostatic screening oversheath of optical fiber of internal lining pipe two ends, and heat-shrink tube is bonded on the internal lining pipe.
Compared with prior art; can effectively reach in fields such as Optical Fiber Transmission, optical-fibre communications, Fibre Optical Sensors and realize that easily in addition, the present invention has not only carried out effective protection to optical fiber fusion welding point to the protection of the contact in the fibre junction process; can also realize mechanization ground encapsulation operation, simple.
Description of drawings
Fig. 1 is the synoptic diagram of optical fiber fusion welding point protective device of the present invention;
Fig. 2 A is the sectional view of the oversheath pipe among Fig. 1;
Fig. 2 B is the sectional view after the oversheath pipe crimping shown in Fig. 2 A;
Fig. 3 is the synoptic diagram of internal lining pipe shown in Figure 1;
Fig. 4 is the sectional view of plug shown in Figure 1;
Fig. 5 is optical fiber fusion welding point guard method of the present invention.
Description of reference numerals: 1-cable crimp bearing; 2-optical cable point glue bearing; 3-heat-shrink tube bearing; 4-optical cable point glue bearing; 5-cable crimp bearing; The metal knitted electrostatic screening sheath of 6-; The 7-plug; 8-the second crimping place; The 9-internal lining pipe; The 10-heat-shrink tube; 11-oversheath pipe; 12-the first crimping place.
Embodiment
To a preferred embodiment of the present invention will be described in detail, should be appreciated that following illustrated preferred embodiment only is used for description and interpretation the present invention, is not intended to limit the present invention below in conjunction with accompanying drawing.
Fig. 1 has shown the structure of optical fiber fusion welding point protective device of the present invention, and as shown in Figure 1, fiber splicing protector of the present invention comprises:
The optical fiber 14 that is welded together has heat-shrink tube 10 at its welding solder joint cover, is used for the packaged fiber solder joint;
The stage casing is with the internal lining pipe 9 of opening, the optical fiber that is welded together penetrates in it, make described heat-shrink tube 10 be positioned at described aperture position, 9 pairs of optical fiber pads of inner bushing pipe play the role of positioning, so both protected optical fiber fusion welding point to avoid vibration, avoid again simultaneously the fault owing to heat-shrink tube deformed damaged under the high temperature, further protected fusion point;
Oversheath pipe 11 is socketed on the internal lining pipe 9;
Two plugs; the two ends of the described oversheath pipe 11 of shutoff respectively, plug 7 has adopted flexible structure so as to reduce since reel around the optical cable damage that causes of distortion; and the waterproofing design that the two ends plug adopts, thereby more guarantee effective protection to various optical fiber pads.
Oversheath pipe 11 of the present invention is the metal hollow pipe, and its cross section is shown in Fig. 2 A, in order to can process by crimping, with oversheath pipe 11 crimping internal lining pipes 9.The present invention carries out the location crimping by mould, so that crimp quality is controlled easily.
Fig. 2 B has shown the cross section of oversheath pipe 11 after its first crimping place 12 or the second crimping place 8 crimping, and its cross section becomes hexagon, compress stressed for six direction for evenly stressed to center of circle direction.In general, the crimping position is that oversheath pipe 11 is apart from the about 15mm of two ends afterbody position.
Shown in Fig. 2 B; after the optical fiber fusion connection point protector crimping moulding; a certain section cross-sectional area is compressed to have diminished; metal tube is compressed; power is compressed to the center of circle along six direction; so that also being under pressure, the terrace part 15 of the flexible media plug 13 of the first crimping place 12 and the second crimping place 8 the insides begins the distortion compression; because the flexible media plug belongs to soft material; in extrusion process, can not cause to the optical cable of its inside direct hard defects; optical fiber outer jacket 6 has soft outside but hard inside protective effect in addition; can guarantee that inner optical fiber can not be subject to the situations such as damage that any extruding causes, and can guarantee metal tube; the oversheath of flexible media plug and optical cable being crimped on together tightly.Its long-term tensile property surpasses the 10KG axial tension, and short-term can be born the axial tension above 25KG.
Oversheath pipe of the present invention 11 two ends are two plugs 7 of crimping and 13 respectively, in order to make oversheath pipe 11 and plug form crimping.
Fig. 3 has shown the structure of the internal lining pipe 9 of Fig. 1, and as shown in Figure 3, internal lining pipe 9 is pipes that a center section part bit strip has the semicircle gap, and semicircular gap is in the center section of pipe, and respectively there is complete pipe at two ends.Wherein, the optical cable of the optical fiber that is welded together is crimped on respectively the end 1 and 5 at the two ends of internal lining pipe 9, and at semicircular gap bonding optical cable, the heat-shrink tube 10 that wherein encapsulates solder joint is bonded in the centre of the semicircle gap of internal lining pipe 9.
Fig. 4 has shown the cross section of plug 7 of the present invention and 13, and as shown in Figure 4, plug 7 and 13 is respectively the tapered hollow flexible tube with platform 15, and the two ends of wherein said oversheath pipe 11 are the described platform 15 of crimping respectively.Plug can be made by ABS high-temperature resistance plastice, silicon rubber etc.
In addition, plug 7 and 13 platform are respectively by the bond two ends inwall of described oversheath pipe 11 of marine glue.And the oversheath 6 of optical fiber is metal knitted electrostatic screening layer.
Fig. 5 has shown fused fiber splice guard method of the present invention, may further comprise the steps:
The solder joint suit heat-shrink tube 10 of the optical fiber that is integrated in welding is with the packaged fiber solder joint;
The stage casing is enclosed within welding on the optical fiber together with the internal lining pipe 9 of opening, makes described heat-shrink tube 10 be positioned at described aperture position;
Be enclosed within on the internal lining pipe 9 with oversheath pipe 11; And
Two ends with two described oversheath pipes 11 of plugs difference shutoff.
Specifically, the optical fiber that the present invention is good with welding is seated in 9 li of internal lining pipes, and heat-shrink tube 10 is seated in the opening position of internal lining pipe and is fixed, and internal lining pipe 9 is placed on the zone line of oversheath pipe 11 inside, two flexible media plugs 7 and 13 are placed on the both sides of oversheath pipe, then carry out crimping.
Below by an instantiation, the implementation procedure of the fused fiber splice protection of the present invention of explanation.After being ready to fused fiber splice preliminary work, the two ends of optical fiber/optical cable that will welding are prepared as requested, successively tail cover plug, oversheath pipe, internal lining pipe are inserted in an end of optical fiber/optical cable that will welding, another tail cover plug are inserted in the other end of optical fiber/optical cable that will welding.
Begin to carry out the fused fiber splice operation.After the welding operation is finished (heat-shrink tube pyrocondensation step is finished), first internal lining pipe is put go back to the centre position, allow heat-shrink tube be in the centre position of internal lining pipe gap, the two ends of optical fiber/optical cable all enter the not opening position at internal lining pipe two ends, it is 10mm that the two ends of optical fiber/optical cable enter internal lining pipe two ends minor increment, sticks with glue 3 points in the agent vault internal lining pipe: be respectively the position that heat-shrink tube position on the gap and internal lining pipe two ends optical cable enter.
After internal lining pipe installs and fixes, the oversheath pipe is passed internal lining pipe, so that internal lining pipe is placed on the central part of oversheath steel pipe, marine glue is smeared in crimping place of ABS tail cover plug uniformly, notice that the amount of smearing is difficult for too much, not painting water-proof adhesive of continuous part can not be arranged, the two ends that the ABS tail at two ends cover plug is inserted in the oversheath steel pipe.Tail is overlapped plug also smear marine glue with the inside, gap of the armored optical cable of centre, notice that the amount of smearing is difficult for too much not painting water-proof adhesive of continuous part being arranged.
After all assembling, beginning crimping step.Carry out crimping in the position of crimping place A, crimping place B as shown in Figure 1.After the crimping moulding, under natural room temperature, allow glue curing.
In sum, the protective device of optical fiber solder joint of the present invention or fusion point and method can be widely used in the fields such as Optical Fiber Transmission, optical-fibre communications, Fibre Optical Sensor.
Although above the present invention is had been described in detail, the invention is not restricted to this, those skilled in the art of the present technique can carry out various modifications according to principle of the present invention.Therefore, all modifications of doing according to the principle of the invention all should be understood to fall into protection scope of the present invention.
Claims (7)
1. fiber splicing protector comprises:
The optical fiber that is welded together has heat-shrink tube (10) at its welding solder joint cover, with the packaged fiber solder joint;
The stage casing penetrates the optical fiber that is welded together with the internal lining pipe (9) of opening in it, make described heat-shrink tube (10) be positioned at described aperture position;
Oversheath pipe (11) is socketed on the internal lining pipe (9);
Two plugs, the respectively two ends of the described oversheath pipe of shutoff (11);
Crimping is carried out in the whole or part of described oversheath pipe (11);
Wherein two plugs are respectively the tapered hollow flexible tube with platform;
The two ends of wherein said oversheath pipe (11) are the platform of the described plug of crimping respectively.
2. fiber splicing protector according to claim 1, wherein, the platform of described plug is by the bond two ends inwall of described oversheath pipe (11) of marine glue.
3. fiber splicing protector according to claim 2, the internal lining pipe two ends sheath of optical fiber that bonds respectively wherein, and heat-shrink tube (10) is bonded on the internal lining pipe.
4. fiber splicing protector according to claim 3, the oversheath of wherein said optical fiber is metal knitted electrostatic screening layer.
5. fused fiber splice guard method may further comprise the steps:
The solder joint of the optical fiber that is integrated in welding is set with heat-shrink tube (10), with the packaged fiber solder joint;
The stage casing is enclosed within welding on the optical fiber together with the internal lining pipe (9) of opening, makes described heat-shrink tube (10) be positioned at described aperture position;
Be enclosed within on the internal lining pipe (9) with oversheath pipe (11); And
Two ends with two plugs difference described oversheath pipes of shutoff (11); Wherein two plugs are respectively the tapered hollow flexible tube with platform, and the two ends of wherein said oversheath pipe (11) are the platform of the described plug of crimping respectively.
6. fused fiber splice guard method according to claim 5, wherein, the platform of described plug is by the bond two ends inwall of described oversheath pipe (11) of marine glue.
7. fused fiber splice guard method according to claim 6, the internal lining pipe two ends metal knitted electrostatic screening sheath of optical fiber that bonds respectively wherein, and heat-shrink tube (10) is bonded on the internal lining pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010224489 CN102313929B (en) | 2010-07-02 | 2010-07-02 | Fiber splicing protector and protection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010224489 CN102313929B (en) | 2010-07-02 | 2010-07-02 | Fiber splicing protector and protection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102313929A CN102313929A (en) | 2012-01-11 |
| CN102313929B true CN102313929B (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010224489 Expired - Fee Related CN102313929B (en) | 2010-07-02 | 2010-07-02 | Fiber splicing protector and protection method |
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| CN (1) | CN102313929B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389543B (en) * | 2012-05-11 | 2015-12-23 | 上海宽岱电讯科技发展有限公司 | A kind of structure of naked fine fuse unit |
| CN103091780B (en) * | 2013-02-28 | 2015-05-06 | 无锡科晟光子科技有限公司 | Optical fiber welding point protector and protection method |
| CN106226866B (en) * | 2016-08-31 | 2018-12-04 | 长沙湘计海盾科技有限公司 | A kind of guard method of fused fiber splice |
| CN109814216A (en) * | 2019-02-20 | 2019-05-28 | 海鹰企业集团有限责任公司 | A kind of fibre optic hydrophone tail optical fiber deriving structure |
| CN114236692B (en) * | 2021-12-23 | 2023-05-26 | 上海海洋大学 | Optical fiber fusion point protection device |
| CN115113333A (en) * | 2022-07-15 | 2022-09-27 | 长园电子（东莞）有限公司 | Optical fiber fusion splicing protective sleeve and manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930506A (en) * | 2004-03-01 | 2007-03-14 | 康宁光缆系统有限责任公司 | Fiber optic splice component having internal electrodes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4495175B2 (en) * | 2006-03-20 | 2010-06-30 | 古河電気工業株式会社 | Ferrule transport method and ferrule gripper |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930506A (en) * | 2004-03-01 | 2007-03-14 | 康宁光缆系统有限责任公司 | Fiber optic splice component having internal electrodes |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-286599A 2007.11.01 |
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| CN102313929A (en) | 2012-01-11 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Fiber splicing protector and protection method Effective date of registration: 20131018 Granted publication date: 20130313 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: Beijing Weilanshi Technology Co., Ltd. Registration number: 2013990000755 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160427 Granted publication date: 20130313 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: Beijing Weilanshi Technology Co., Ltd. Registration number: 2013990000755 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20180702 |