CN203101679U - Optical fiber fusion point protector - Google Patents
Optical fiber fusion point protector Download PDFInfo
- Publication number
- CN203101679U CN203101679U CN 201320092458 CN201320092458U CN203101679U CN 203101679 U CN203101679 U CN 203101679U CN 201320092458 CN201320092458 CN 201320092458 CN 201320092458 U CN201320092458 U CN 201320092458U CN 203101679 U CN203101679 U CN 203101679U
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- China
- Prior art keywords
- optical fiber
- fusion point
- fiber fusion
- injection molding
- mold
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Abstract
The utility model relates to an optical fiber fusion point protector, comprising a support pipe and an injection molding body, wherein the support pipe is sheathed on an optical cable and an optical fiber fusion point, and the injection molding body is clad on the support pipe; a heat shrinkage pipe is sheathed on the optical fiber fusion point firstly and then is heated to shrink so as to encapsulate the optical fiber fusion point, then the support pipe is sheathed on the optical cable and the optical fiber fusion point, a mold is installed on the support pipe, fixing clips at two ends of the mold fix the support pipe at the middle position of the mold, a low-pressure injection molding machine is utilized to inject a hot melt adhesive into the mold through an injection molding port on the mold, the whole mold is fully filled with the hot melt adhesive and after the hot melt adhesive is solidified to form an injection molding body, the mold is taken down, then the protection of the optical fiber fusion point is finished. The optical fiber fusion point protector is simple in structure, and can provide effective protection to the optical fiber fusion point in a sensor network and a communication network; and besides, the optical fiber fusion point protector is beneficial to shortening the operating time, prolonging the service life and reducing the maintaining workload of the project.
Description
Technical field
The utility model relates to the optical fiber technology field, specifically relates to the fused fiber splice protector and the guard method in fields such as Fibre Optical Sensor, Optical Fiber Transmission, optical fiber communication.
Background technology
In recent years, rapid based on the sensing technology development of optical fiber, be widely used in the actual time safety monitoring in large-scale building, petrochemical industry, power engineering.Optical fiber fusion welding technology realizes that in optical fiber sensing network distribution topology monitoring of structures and system insert the important effect of all bringing into play.General welding quality directly determines the size of optical loss, and the welding point protection is then directly determining the serviceable life and the maintenance cost of system.
The many protected modes of present welding point protection device based on mechanical fixation; exist problems such as the protective device volume is big, complicated operation, bad mechanical strength, sealing difference, now become the most frequent in optical fiber communication and sensing network trouble spot and maintenance point.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art; a kind of fused fiber splice point protection device is provided; it is simple in structure; can be provided effective protection to the point of the fused fiber splice in sensing network and the communication network; help shortening the activity duration simultaneously, prolong the protection life-span, reduce the engineering maintenance amount.
The technical scheme that provides according to the utility model: fused fiber splice point protection device; described fused fiber splice point two ends are optical cables; it is characterized in that: described protector comprises stay pipe and injection molding body, and described stay pipe is enclosed within on optical cable and the fused fiber splice point, and described injection molding body is coated on the stay pipe.
As further improvement of the utility model, described fused fiber splice point is gone up to overlap to be useful on it is encapsulated in interior heat-shrink tube.
As further improvement of the utility model, described stay pipe is that xsect is semicircular stay pipe.
As further improvement of the utility model, the material of described injection molding body is a hot melt adhesive.
As further improvement of the utility model, the material of described injection molding body is polyamide-based hot melt adhesive.
At first on fused fiber splice point, put heat-shrink tube, the heat hot draw then, heat-shrink tube is shunk encapsulates fused fiber splice point, stay pipe is enclosed within on optical cable and the fused fiber splice point then, stay pipe plays the support positioning action to fused fiber splice point and optical cable, avoids the vibration effect fused fiber splice point that causes when low-pressure injection molding simultaneously; Then mould is contained on the stay pipe, the fixedly card of both mold ends is fixed on the centre position of mould with stay pipe, utilizes the low-pressure injection molding machine then, injects hot melt adhesive by the injection hole on the mould in mould, makes hot melt adhesive be full of entire die fully; After treating that hot melt adhesive solidify to form injection molding body, mold removal has promptly been finished the protection of fused fiber splice point.
The utility model compared with prior art, advantage is as follows:Protector of the present utility model can effectively be protected the fused fiber splice point; have simple in structure, practical, volume is little, good airproof performance, with low cost, the characteristics that are easy to construction and installation on the engineering; be applicable to the protection that fused fiber splice point is steady in a long-term, can be in field widespread uses such as Fibre Optical Sensor, optical fiber communications.
Description of drawings
Fig. 1 implements the structural representation of fused fiber splice point protection device for the utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure: the fused fiber splice point protection device among the embodiment mainly is made up of heat-shrink tube 2, stay pipe 4 and injection molding body 5.
As shown in Figure 1, it is optical cables 8 that described fused fiber splice is put 3 two ends, and described stay pipe 4 is enclosed within on optical cable 8 and the fused fiber splice point 3, and described injection molding body 5 is coated on the stay pipe 4.In order to improve the protection effect to fused fiber splice point 3, cover is useful on it is encapsulated in interior heat-shrink tube 2 on the described fused fiber splice point 3.
In the utility model, described stay pipe 4 is that xsect is semicircular stay pipe 4, can conveniently carry out constructing operation like this.The material of described injection molding body 5 is a hot melt adhesive, preferably adopts polyamide-based hot melt adhesive.
Concrete operations are implemented as follows: at first put heat-shrink tube 2 on fused fiber splice point 3, the heat hot draw 2 then, heat-shrink tube 2 is shunk 3 encapsulation of fused fiber splice point, stay pipe 4 is enclosed within on optical cable 8 and the fused fiber splice point 3 then, 8 on 4 pairs of fused fiber splice points 3 of stay pipe and optical cable support positioning action, avoid the vibration effect fused fiber splice point 3 that causes when low-pressure injection molding simultaneously; Then mould 6 is contained on the stay pipe 4, the fixedly card 1 at mould 6 two ends is fixed on stay pipe 4 in the centre position of mould 6, utilize the low-pressure injection molding machine then, in mould 6, inject hot melt adhesive, make hot melt adhesive be full of entire die 6 fully by the injection hole on the mould 67; After treating that hot melt adhesive solidify to form injection molding body 5, mold removal 6 has promptly been finished the protection of fused fiber splice point 3.
In the utility model, the described mould 6 preferred circular dies 6 that adopt.
The utility model is to utilize low pressure injection formaing technical protection fused fiber splice point 3; The injection molding body 5 that is solidify to form by hot melt adhesive is main bodys of fused fiber splice point protection device; it is used to isolate extraneous water and gas; improve tension, compressive strength; fused fiber splice point 3 between the protection interior cables 8; it is little, simple in structure to have good airproof performance, long-term stability, volume; be easy to construction, advantage with low cost.
Claims (5)
1. fused fiber splice point protection device; described fused fiber splice point (3) two ends are optical cable (8); it is characterized in that: described protector comprises stay pipe (4) and injection molding body (5); described stay pipe (4) is enclosed within on optical cable (8) and the fused fiber splice point (3), and described injection molding body (5) is coated on the stay pipe (4).
2. fused fiber splice point protection device as claimed in claim 1 is characterized in that: described fused fiber splice point (3) is gone up to overlap to be useful on it is encapsulated in interior heat-shrink tube (2).
3. fused fiber splice point protection device as claimed in claim 1 is characterized in that: described stay pipe (4) is that xsect is semicircular stay pipe (4).
4. fused fiber splice point protection device as claimed in claim 1 is characterized in that: the material of described injection molding body (5) is a hot melt adhesive.
5. fused fiber splice point protection device as claimed in claim 1 is characterized in that: the material of described injection molding body (5) is polyamide-based hot melt adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092458 CN203101679U (en) | 2013-02-28 | 2013-02-28 | Optical fiber fusion point protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092458 CN203101679U (en) | 2013-02-28 | 2013-02-28 | Optical fiber fusion point protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203101679U true CN203101679U (en) | 2013-07-31 |
Family
ID=48853068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320092458 Expired - Fee Related CN203101679U (en) | 2013-02-28 | 2013-02-28 | Optical fiber fusion point protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203101679U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091780A (en) * | 2013-02-28 | 2013-05-08 | 永大科技集团有限公司 | Optical fiber welding point protector and protection method |
| CN103630973A (en) * | 2013-12-17 | 2014-03-12 | 哈尔滨理工大学 | Production method for liquid-core optical fibre and quartz optical fibre coupling device |
| CN105627943A (en) * | 2016-03-29 | 2016-06-01 | 大连理工大学 | Subsea pipeline distributed structure security monitoring device with vibration suppression function and monitoring method thereof |
| CN109633820A (en) * | 2018-12-11 | 2019-04-16 | 安徽相和通信有限公司 | Pyrocondensation guard method after fused fiber splice |
| CN115079359A (en) * | 2022-05-19 | 2022-09-20 | 中国人民解放军96872部队 | Method for repairing field operation optical cable |
-
2013
- 2013-02-28 CN CN 201320092458 patent/CN203101679U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091780A (en) * | 2013-02-28 | 2013-05-08 | 永大科技集团有限公司 | Optical fiber welding point protector and protection method |
| 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 |
| CN103630973A (en) * | 2013-12-17 | 2014-03-12 | 哈尔滨理工大学 | Production method for liquid-core optical fibre and quartz optical fibre coupling device |
| CN103630973B (en) * | 2013-12-17 | 2015-08-05 | 哈尔滨理工大学 | The method for making of liquid-core optical fibre and silica fibre coupling device |
| CN105627943A (en) * | 2016-03-29 | 2016-06-01 | 大连理工大学 | Subsea pipeline distributed structure security monitoring device with vibration suppression function and monitoring method thereof |
| CN105627943B (en) * | 2016-03-29 | 2018-06-22 | 大连理工大学 | It is a kind of that there is the extra large pipe distributed frame safety monitoring assembly of vibration suppression and its monitoring method |
| CN109633820A (en) * | 2018-12-11 | 2019-04-16 | 安徽相和通信有限公司 | Pyrocondensation guard method after fused fiber splice |
| CN115079359A (en) * | 2022-05-19 | 2022-09-20 | 中国人民解放军96872部队 | Method for repairing field operation optical cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20150228 |
|
| EXPY | Termination of patent right or utility model |