CN114236692A - Optical fiber fusion point protection device - Google Patents
Optical fiber fusion point protection device Download PDFInfo
- Publication number
- CN114236692A CN114236692A CN202111590566.0A CN202111590566A CN114236692A CN 114236692 A CN114236692 A CN 114236692A CN 202111590566 A CN202111590566 A CN 202111590566A CN 114236692 A CN114236692 A CN 114236692A
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- China
- Prior art keywords
- optical fiber
- protection device
- submersible
- protective cover
- protection
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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
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2551—Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
-
- 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
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2558—Reinforcement of splice joint
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to an optical fiber fusion point protection device, which comprises an outer protection cover fixed on an optical fiber package of a relay module and an inner protection cover fixed on an optical fiber package of a submersible, wherein the outer protection cover and the inner protection cover are mutually sleeved; the relay module optical fiber and the submersible optical fiber respectively pass through the outer protective cover and the inner protective cover to be welded with each other to form a welding point, and the welding point is sleeved with a heat-shrinkable tube; the heat-shrinkable tube is sleeved with a clamping piece, and the side wall of the clamping piece is provided with an annular clamping groove; a plurality of fan ring diaphragms are connected in the inner protective cover in a clamping mode, and inner rings of the fan ring diaphragms are all connected in the clamping grooves in a clamping mode. According to the optical fiber fusion point protection device, the two protection covers are mutually sleeved to form a space for protecting the fusion point, the fusion point clamps the fan-shaped annular membranes by the clamping pieces and is located in the protection space, and the water environment in the protection space is basically stable in the distribution process. Because the diaphragm joint is in the protection space, and can avoid the splice to fall into in the submersible ware optic fibre package for optic fibre is more safe stable in the use.
Description
Technical Field
The invention relates to the field of diving equipment, in particular to an optical fiber fusion point protection device.
Background
Fiber optic remote control is a commonly used technical means for large depth, especially full-sea deep submersibles. When the traditional optical fiber remote control submersible works, an optical fiber package is respectively arranged on the relay module and the submersible, and optical fibers drawn out between the relay module and the submersible are protected through a cable guiding hose and a bell mouth. After the two are laid to the specified depth at the same time, the relay module is separated from the submersible, and the cable guide hose is sequentially untied according to the preset sequence until the horn mouth is pulled off and separated, so that the safety of the optical fiber cable in the separation process is protected.
The relay module is connected with the submersible through optical fibers to realize communication, and the extracted optical fibers are directly exposed in seawater, so that the relay module is relatively safe due to the fact that the protective layer is arranged on the outer layer of the relay module. The optical fiber fusion joint between the opposite optical fiber packages becomes the weakest link of the whole path due to the fact that the outer protective layer is stripped, and the optical fiber connection is interrupted due to damage easily occurring in the process that the relay module carries a submersible to perform laying and separation, so that underwater operation tasks are influenced.
Disclosure of Invention
In view of the above, it is necessary to provide a safe and stable protection device for an optical fiber fusion splice point.
An optical fiber fusion point protection device comprises an outer protection cover fixed on an optical fiber package of a relay module and an inner protection cover fixed on an optical fiber package of a submersible, wherein the outer protection cover and the inner protection cover are mutually sleeved; the relay module optical fiber and the submersible optical fiber respectively penetrate through the outer protective cover and the inner protective cover to be welded with each other to form a welding point, and a heat-shrinkable tube is sleeved at the welding point; the heat-shrinkable tube is sleeved with a clamping piece, and the side wall of the clamping piece is provided with an annular clamping groove; a plurality of fan-shaped ring diaphragms are connected in the inner protective cover in a clamping mode, and inner rings of the fan-shaped ring diaphragms are all connected in the clamping grooves in a clamping mode.
Furthermore, the bottom of the outer protective cover is open, the top of the outer protective cover is fixed on the relay module optical fiber package, a through hole for the relay module optical fiber to pass through is formed in the top of the outer protective cover, and the through hole is concentric with the outlet of the relay module optical fiber package.
Furthermore, the top of the inner protection cover is open, the bottom of the inner protection cover is fixed on the submersible optical fiber bag, the bottom of the inner protection cover is provided with a through hole for the submersible optical fiber to pass through, and the through hole is concentric with the outlet of the submersible optical fiber bag.
Furthermore, the round angle is arranged at the through hole on the surface, which is attached to the optical fiber package, of the protective cover.
Furthermore, a chamfer is arranged at a through hole on the inner bottom surface of the inner protection cover to form a conical surface, and the clamping piece is attached to the conical surface.
Furthermore, the clamping piece is of an annular structure, a groove is formed in the inner ring of the clamping piece, an elastic ring is embedded in the groove, and the elastic ring protrudes out of the groove.
Furthermore, the elastic ring is made of elastic materials, and the density of the elastic ring is smaller than that of seawater.
Furthermore, the elastic ring is positioned at the middle upper part of the heat shrinkable tube.
Furthermore, the fan-ring membrane is a semicircular membrane.
Further, the protective cover is made of transparent materials.
According to the optical fiber fusion point protection device, the two protection covers are mutually sleeved to form a space for protecting the fusion point, the fusion point clamps the fan-shaped annular membranes by the clamping pieces and is located in the protection space, and the water environment in the protection space is basically stable in the distribution process. Because the diaphragm joint is in the protection space, and can avoid the splice to fall into in the submersible ware optic fibre package for optic fibre is more safe stable in the use.
Drawings
FIG. 1 is a schematic view of the overall structure of the protection device;
FIG. 2 is a schematic view of a partial structure of the protection device;
FIG. 3 is a schematic structural diagram of a first state of the protection device during use;
fig. 4 is a structural diagram of a second state of the protection device in the using process.
In the figure: 10. a parent vessel; 20. a relay module; 30. a submersible; 40. a hooking device; 100. a relay module fiber optic package; 110. an outer protective cover; 120. a relay module optical fiber; 200. a submersible fiber optic package; 210. an inner protective cover; 220. a submersible optical fiber; 300. heat shrink tubing; 400. a clip; 500. a membrane; 600. an elastic ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, in one embodiment, an optical fiber fusion splice protection device includes an outer protective cover 110 secured to a relay module fiber package 100 and an inner protective cover 210 secured to a submersible fiber package 200, which are nested together; the relay module optical fiber 120 and the submersible optical fiber 220 respectively penetrate through the outer protective cover 110 and the inner protective cover 210 to be welded with each other to form a welding point, and the heat shrinkable tube 300 is sleeved at the welding point; the two sections of optical fiber outer protective layers are peeled off and then are welded together, and the welding points are wrapped by the heat shrink tube 300, so that the bending resistance of the optical fiber outer protective layer is enhanced. The heat shrink tube 300 is sleeved with a clamping piece 400, and the side wall of the clamping piece 400 is provided with an annular clamping groove; a plurality of fan ring diaphragms 500 are clamped in the inner protective cover 210, and the inner rings of the fan ring diaphragms 500 are clamped in the clamping grooves. The inner and outer protective covers 110 are fitted to each other to form an internal space for protecting the fusion splice of the optical fibers, and the internal water environment is maintained substantially stable although the space is not sealed.
The optical fiber fusion point protection device is characterized in that the two protection covers are mutually sleeved to form a space for protecting the fusion point, the fusion point clamps the fan-shaped membranes 500 through the clamping pieces 400 and is located in the protection space, and the water environment in the protection space is basically stable in the distribution process. Because the membrane 500 is clamped in the protection space and the welding point can be prevented from falling into the submersible optical fiber package 200, the optical fiber is safer and more stable in the using process.
In this embodiment, the outer protective cover 110 has an open bottom and a top fixed to the relay module fiber package 100, and the top has a through hole for the relay module fiber 120 to pass through, which is concentric with the outlet of the relay module fiber package 100. The inner protective cover 210 is open at the top and is secured at the bottom to the submersible vehicle fiber package 200, and has a through hole for passing the submersible vehicle fiber 220 therethrough, which is concentric with the outlet of the submersible vehicle fiber package 200. The balance of the structure of the device is kept stable.
In this embodiment, the one side of safety cover and the laminating of optic fibre package is equipped with the fillet in through-hole department. The protective layer is used for protecting the optical fiber and preventing the outer protective layer from being damaged in the process of drawing the optical fiber out.
In this embodiment, a through hole on the inner bottom surface of the inner protection cover 210 is provided with a chamfer to form a conical surface, and the clip 400 is attached to the conical surface. Similar to a bell mouth, facilitates the disengagement of the weld.
In this embodiment, the clip 400 is disposed in an annular structure, the inner ring of the clip 400 has a groove, the elastic ring 600 is embedded in the groove, and the elastic ring 600 protrudes out of the groove. For close fitting with the heat shrinkable tube 300.
In this embodiment, the elastic ring 600 is made of an elastic material and has a density smaller than that of seawater. The dead weight of the welding point in water is reduced, the welding point is basically consistent with the free optical fiber section in overall density and motion state under the help of the elastic ring 600, the welding point can be prevented from dropping, ordered cable laying is realized, and the safety of the welding point in the separation process and after separation is protected.
In this embodiment, the elastic ring 600 is located at an upper middle position of the heat shrinkable tube 300. Because the clamping piece 400 is positioned upwards and the gravity center is positioned downwards, the balance effect is achieved, and the welding points can keep a stable state in the distribution process, so that the safety is higher.
In the present embodiment, the fan-ring membrane 500 is a semi-circular membrane 500. Only two semicircular diaphragms 500 are needed at this time.
In this embodiment, the protective cover is made of transparent material. Such as ABS (Acrylonitrile Butadiene Styrene), or plexiglass, etc., for easy observation of the internal conditions.
As shown in fig. 3 and 4, in use, the relay module 20 and the underwater vehicle 30 are connected by the hooking means 40, and the mother ship 10 lays the relay module 20 and the underwater vehicle 30 at a predetermined depth in the sea at the same time. The hook may be electrically, hydraulically, or otherwise actuated to perform a unhooking action to disengage the relay module 20 from the submersible 30. Wherein the relay module fiber optic package 100 is secured to the relay module 20 with the outlet end down. The submersible fiber package 200 is secured to the submersible 30 with the outlet end up. The two optical fiber packages form a pair, and are respectively internally provided with tens of kilometers of micro optical fibers, and the diameter of each optical fiber is about 0.5 millimeter. So that less force is required to draw out the optical fiber. When the relay module 20 is separated from the submersible 30, the mutually sleeved protection covers are opened; when the welding point is removed from the protective cover, the membrane 500 is pushed by gravity and water flow to separate from the welding point.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An optical fiber fusion point protection device is characterized by comprising an outer protection cover fixed on an optical fiber package of a relay module and an inner protection cover fixed on an optical fiber package of a submersible, wherein the outer protection cover and the inner protection cover are mutually sleeved; the relay module optical fiber and the submersible optical fiber respectively penetrate through the outer protective cover and the inner protective cover to be welded with each other to form a welding point, and a heat-shrinkable tube is sleeved at the welding point; the heat-shrinkable tube is sleeved with a clamping piece, and the side wall of the clamping piece is provided with an annular clamping groove; a plurality of fan-shaped ring diaphragms are connected in the inner protective cover in a clamping mode, and inner rings of the fan-shaped ring diaphragms are all connected in the clamping grooves in a clamping mode.
2. An optical fiber fusion splice protection device according to claim 1, wherein the outer protective cover has an open bottom and a top portion secured to the relay module optical fiber package, and the top portion has a through hole for passing the relay module optical fiber therethrough, the through hole being concentric with the outlet of the relay module optical fiber package.
3. An optical fiber fusion splice protection device according to claim 2, wherein the inner protective cover is open at the top, is fixed at the bottom to the submersible optical fiber package, and has a through hole formed at the bottom for passing the submersible optical fiber therethrough, the through hole being concentric with the outlet of the submersible optical fiber package.
4. An optical fiber fusion splice protection device according to claim 3, wherein a rounded corner is provided at the through hole on the side of the protective cover to which the optical fiber package is attached.
5. An optical fiber fusion-splicing point protection device according to claim 3, wherein a chamfer is formed at the through hole on the inner bottom surface of the inner protection cover to form a tapered surface, and the clip is fitted to the tapered surface.
6. An optical fiber fusion splice protection device according to claim 1, wherein the clip is configured in an annular configuration, the clip has a groove formed in an inner circumference thereof, and an elastic ring is embedded in the groove and protrudes from the groove.
7. An optical fiber fusion splice protection device according to claim 6 wherein said elastic ring is made of an elastic material and has a density less than sea water.
8. The optical fiber fusion-splicing point protection device according to claim 6, wherein the elastic ring is located at an upper position in the heat shrinkable tube.
9. An optical fiber fusion splice point protection device according to claim 1 wherein said fan-ring membrane is a semi-circular ring membrane.
10. An optical fiber fusion splice protection device according to claim 1, wherein said protective cover is made of a transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111590566.0A CN114236692B (en) | 2021-12-23 | 2021-12-23 | Optical fiber fusion point protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111590566.0A CN114236692B (en) | 2021-12-23 | 2021-12-23 | Optical fiber fusion point protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114236692A true CN114236692A (en) | 2022-03-25 |
| CN114236692B CN114236692B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111590566.0A Active CN114236692B (en) | 2021-12-23 | 2021-12-23 | Optical fiber fusion point protection device |
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Citations (14)
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|---|---|---|---|---|
| US20090074362A1 (en) * | 2007-05-15 | 2009-03-19 | Fujikura Ltd. | Fusion splicing structure of optical fibers |
| JP2009244588A (en) * | 2008-03-31 | 2009-10-22 | Sumitomo Electric Ind Ltd | Method for fusing optical fiber, and protective sleeve fastener to be used for the method |
| CN102313929A (en) * | 2010-07-02 | 2012-01-11 | 北京蔚蓝仕科技有限公司 | Fiber splicing protector and protection method |
| CN202204958U (en) * | 2011-07-18 | 2012-04-25 | 陆大水 | Hot melt type on-site assembling optical fiber movable connector |
| CN202548361U (en) * | 2012-02-03 | 2012-11-21 | 杭州五创通信科技有限公司 | Hot melting protection box |
| 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 |
| CN103984058A (en) * | 2014-06-03 | 2014-08-13 | 大豪信息技术（威海）有限公司 | Protecting device for optical fiber fusion point |
| CN203950052U (en) * | 2014-06-03 | 2014-11-19 | 大豪信息技术（威海）有限公司 | Optical fiber fusion welding point protective device |
| CN206193303U (en) * | 2016-11-23 | 2017-05-24 | 天津凯普林光电科技有限公司 | Optical fiber fusion connection point protector |
| CN210090750U (en) * | 2019-05-29 | 2020-02-18 | 深圳市盛隆丰实业有限公司 | Optical fiber melting box |
| CN210626711U (en) * | 2019-10-30 | 2020-05-26 | 南通光烁通信设备有限公司 | Optical fiber heat-shrinkable tube for single-core optical fiber connection |
| CN211206843U (en) * | 2019-12-24 | 2020-08-07 | 武汉光谷智能科技有限公司 | Protection positioning mechanism of optical fiber in tunnel |
| CN213091968U (en) * | 2020-09-15 | 2021-04-30 | 深圳立硕科技有限公司 | Rubber-insulated-wire cable butt fusion protection box |
| CN215067412U (en) * | 2021-06-08 | 2021-12-07 | 武汉东江信达通信技术有限公司 | Optical fiber interface aligning device |
-
2021
- 2021-12-23 CN CN202111590566.0A patent/CN114236692B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090074362A1 (en) * | 2007-05-15 | 2009-03-19 | Fujikura Ltd. | Fusion splicing structure of optical fibers |
| JP2009244588A (en) * | 2008-03-31 | 2009-10-22 | Sumitomo Electric Ind Ltd | Method for fusing optical fiber, and protective sleeve fastener to be used for the method |
| CN102313929A (en) * | 2010-07-02 | 2012-01-11 | 北京蔚蓝仕科技有限公司 | Fiber splicing protector and protection method |
| CN202204958U (en) * | 2011-07-18 | 2012-04-25 | 陆大水 | Hot melt type on-site assembling optical fiber movable connector |
| CN202548361U (en) * | 2012-02-03 | 2012-11-21 | 杭州五创通信科技有限公司 | Hot melting protection box |
| 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 |
| CN103984058A (en) * | 2014-06-03 | 2014-08-13 | 大豪信息技术（威海）有限公司 | Protecting device for optical fiber fusion point |
| CN203950052U (en) * | 2014-06-03 | 2014-11-19 | 大豪信息技术（威海）有限公司 | Optical fiber fusion welding point protective device |
| CN206193303U (en) * | 2016-11-23 | 2017-05-24 | 天津凯普林光电科技有限公司 | Optical fiber fusion connection point protector |
| CN210090750U (en) * | 2019-05-29 | 2020-02-18 | 深圳市盛隆丰实业有限公司 | Optical fiber melting box |
| CN210626711U (en) * | 2019-10-30 | 2020-05-26 | 南通光烁通信设备有限公司 | Optical fiber heat-shrinkable tube for single-core optical fiber connection |
| CN211206843U (en) * | 2019-12-24 | 2020-08-07 | 武汉光谷智能科技有限公司 | Protection positioning mechanism of optical fiber in tunnel |
| CN213091968U (en) * | 2020-09-15 | 2021-04-30 | 深圳立硕科技有限公司 | Rubber-insulated-wire cable butt fusion protection box |
| CN215067412U (en) * | 2021-06-08 | 2021-12-07 | 武汉东江信达通信技术有限公司 | Optical fiber interface aligning device |
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| Publication number | Publication date |
|---|---|
| CN114236692B (en) | 2023-05-26 |
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