CN216526380U - Ceramic ferrule for optical fiber fusion splicing and fusion splicing device thereof - Google Patents
Ceramic ferrule for optical fiber fusion splicing and fusion splicing device thereof Download PDFInfo
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- CN216526380U CN216526380U CN202123040081.2U CN202123040081U CN216526380U CN 216526380 U CN216526380 U CN 216526380U CN 202123040081 U CN202123040081 U CN 202123040081U CN 216526380 U CN216526380 U CN 216526380U
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Abstract
The utility model relates to the technical field of optical fiber fusion, and discloses a ceramic ferrule for optical fiber fusion and a fusion splicing device thereof, wherein the ceramic ferrule comprises a body, the body is provided with an opening, and the opening penetrates through the body; the both ends of body are provided with the hole along its central axis direction, two the hole extends to respectively the opening. The utility model can realize accurate alignment of the end parts of two optical fibers in the optical fiber fusion process, reduce the cost on the premise of ensuring the optical fiber fusion quality and simultaneously improve the field construction efficiency.
Description
Technical Field
The utility model relates to the technical field of optical fiber fusion, in particular to a ceramic ferrule for optical fiber fusion and a fusion splicing device thereof.
Background
In the field of optical fiber communication, it is often necessary to precisely butt and fuse the ends of two optical fibers together, and the optical fiber is generally implemented by using an optical fiber fusion splicer. In the actual working process, two optical fibers are required to be respectively arranged on a high-precision three-axis motion platform, and the fine adjustment of the end positions of the two optical fibers is realized through the displacement of the motion platform under the visual monitoring of a machine, so that the two optical fibers are precisely aligned; then, high-voltage high-frequency electricity is applied to a pair of electrodes on both sides of the butt joint of the optical fibers to generate high-temperature arcs, so that the ends of the optical fibers are fused and welded together.
When the traditional optical fiber fusion splicer scheme is adopted, the fusion splicer is required to be equipped with a machine vision module, a high-precision three-axis motion platform and a relatively complex feedback algorithm between vision and motion due to the fact that the process of precise alignment of the end parts of two optical fibers is needed, the cost is high, and the optical fiber end part alignment process needs certain time consumption and influences the site construction efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a ceramic ferrule for optical fiber fusion and a fusion splicing device thereof, which can realize accurate alignment of the end parts of two optical fibers in the optical fiber fusion splicing process, reduce the cost on the premise of ensuring the optical fiber fusion splicing quality and improve the field construction efficiency.
In order to solve the technical problem, the utility model provides a ferrule for optical fiber fusion, which comprises a body, wherein the body is provided with an opening, and the opening penetrates through the body; the both ends of body are provided with the hole along its central axis direction, two the hole extends to respectively the opening.
Preferably, the opening is opened along a minor axis direction of the body.
Preferably, the opening is a groove structure formed by inward depression of a side wall of the body.
Preferably, the opening has a depth H, the body has a diameter or thickness D1, and the bore has a bore diameter D2, wherein:
preferably, the diameter or thickness D1 of the body satisfies:
1mm≤D1≤4mm。
preferably, the bore diameter D2 of the inner bore satisfies:
120μm≤D2≤130μm。
preferably, the width of the opening is K, which satisfies:
0.25mm≤K≤4mm。
preferably, the opening is of a through hole structure, the diameter of the through hole is D3, the diameter or thickness of the body is D1, and the aperture of the inner hole is D2, wherein D3 is not more than D1 due to the fact that D2 is not more than D3.
Preferably, the diameter D3 of the through hole satisfies:
0.25mm≤D3≤4mm。
the utility model also provides a welding device which comprises the ceramic ferrule for optical fiber welding and a pair of discharge electrodes, wherein two optical fibers extend into the opening from two ends of the ceramic ferrule along the inner hole, and the end parts of the optical fibers are aligned at the opening; and the pair of discharge electrodes are respectively positioned at two sides of the ceramic ferrule and respectively correspond to the openings, and electric arcs are generated by discharge so that the end parts of the two optical fibers in the openings are welded together.
The utility model has the following beneficial effects:
according to the ceramic ferrule, due to the fact that the matching degree of the inner hole and the optical fibers is high, the positioning performance of the optical fibers in the inner hole of the ceramic ferrule is good, and the inner hole of the ceramic ferrule has high coaxiality, after the two optical fibers extend into the inner hole from the two ends of the ceramic ferrule respectively, the two optical fibers can achieve high-precision end aligning under the guiding effect of the inner hole, and therefore a fusion splicer is not required to be provided with a machine vision module, a high-precision three-axis motion platform and a complex feedback algorithm, the cost is reduced on the premise that the fusion splicing quality of the optical fibers is guaranteed, and meanwhile the field construction efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a ferrule for fusion splicing optical fibers according to an embodiment of the present invention;
FIG. 2 is another structural schematic diagram of a ferrule for fusion splicing optical fibers according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a welding apparatus according to an embodiment of the present invention.
Reference numerals:
1. a body; 2. an inner bore; 3. an opening; 4. a discharge electrode; 5. an optical fiber.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, a preferred embodiment of the present invention provides a ferrule for fusion splicing of an optical fiber 5, including a body 1, wherein an opening 3 is opened in the body 1, and the opening 3 penetrates through the body 1; the both ends of body 1 are provided with hole 2 along its central axis direction, two hole 2 extends to respectively opening 3.
The use process of the ceramic ferrule of the preferred embodiment of the utility model: inserting two optical fibers into the inner hole of the ferrule from two ends of the ceramic ferrule respectively, and aligning the end parts of the two optical fibers in the opening; then electrodes on two sides of the ceramic inserting core are electrified and discharged to generate electric arcs, so that the end parts of the two optical fibers are fused and welded together.
In some preferred embodiments of the present invention, the opening 3 is opened along a short axis direction of the body 1.
In some preferred embodiments of the present invention, the opening 3 is a groove structure formed by inwardly recessing the sidewall of the body 1.
In some preferred embodiments of the present invention, the depth of the opening 3 is H, the diameter or thickness of the body 1 is D1, and the bore diameter of the inner bore 2 is D2, wherein:
specifically, H satisfies
The optical fiber 5 can be ensured not to be wrapped, and the two electrodes can discharge smoothly at the position so as to avoid influencing the welding effect.
In some preferred embodiments of the utility model, the diameter or thickness D1 of the body 1 satisfies:
1mm≤D1≤4mm。
in some preferred embodiments of the present invention, the aperture D2 of the inner hole 2 satisfies:
120μm≤D2≤130μm。
in some preferred embodiments of the present invention, the width of the opening 3 is K, which satisfies:
0.25mm≤K≤4mm。
specifically, if K is less than 0.25mm, the space required for arc discharge of the electrode cannot be satisfied, and the fusion effect of the optical fiber 5 is poor; if K is greater than 4mm, because optic fibre 5 is unsettled form in opening 3, the easy extending direction that deviates from originally, if K is too big, then 5 tip of two optic fibres produce the dislocation easily, lead to counterpoint precision low, the light transmission loss increases.
In some preferred embodiments of the present invention, the opening 3 is a through hole structure, the diameter of the through hole is D3, the diameter or thickness of the body 1 is D1, and the diameter of the inner hole 2 is D2, wherein D2 ≦ D3 < D1.
In some preferred embodiments of the present invention, the diameter D3 of the through hole satisfies:
0.25mm≤D3≤4mm。
specifically, if D3 is less than 0.25mm, the space required for electrode arc discharge cannot be satisfied, and the fusion effect of the optical fiber 5 is poor; if D3 is larger than 4mm, the optical fibers 5 are suspended in the opening 3 and easily deviate from the original extending direction, and if D3 is too large, the end portions of the two optical fibers 5 are easily misaligned, so that the alignment accuracy is low and the optical transmission loss is increased.
The preferred embodiment of the present invention further provides a fusion splicing apparatus, which includes the ferrule for fusion splicing of the optical fibers 5 and a pair of discharge electrodes 4, wherein two optical fibers 5 extend into the opening 3 from two ends of the ferrule along the inner hole 2, and the end of each optical fiber 5 is aligned at the opening 3; the pair of discharge electrodes 4 are respectively positioned at two sides of the ceramic ferrule and respectively correspond to the openings 3, and electric arcs are generated by discharge, so that the end parts of the two optical fibers 5 in the openings 3 are welded together.
In summary, the preferred embodiment of the present invention provides a ferrule for fusion splicing of optical fibers 5, which is compared with the prior art:
according to the ceramic ferrule, due to the fact that the matching degree of the inner hole 2 and the optical fibers 5 is high, the optical fibers 5 are good in positioning performance in the inner hole 2 of the ceramic ferrule, and the inner hole 2 of the ceramic ferrule has high coaxiality, after the two optical fibers 5 respectively extend into the inner hole 2 from two ends of the ceramic ferrule, the two optical fibers 5 can achieve high-precision end part alignment under the guiding effect of the inner hole 2, and therefore a welding machine is not required to be provided with a machine vision module, a high-precision three-axis motion platform and a complex feedback algorithm, cost is reduced on the premise that the welding quality of the optical fibers 5 is guaranteed, and meanwhile field construction efficiency is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The ceramic ferrule for optical fiber fusion is characterized by comprising a body, wherein the body is provided with an opening, and the opening penetrates through the body; the both ends of body are provided with the hole along its central axis direction, two the hole extends to respectively the opening.
2. The ferrule for optical fiber fusion according to claim 1, wherein: the opening is formed along the short axis direction of the body.
3. The ferrule for optical fiber fusion according to claim 1, wherein: the opening is of a groove structure and is formed by inwards recessing the side wall of the body.
4. The ferrule for optical fiber fusion according to claim 3, wherein: the depth of the opening is H, the diameter or thickness of the body is D1, the bore diameter of the inner bore is D2, wherein:
5. the ferrule for optical fiber fusion according to claim 4, wherein: the diameter or thickness D1 of the body satisfies:
1mm≤D1≤4mm。
6. the ferrule for optical fiber fusion according to claim 4, wherein: the aperture D2 of the inner hole satisfies:
120μm≤D2≤130μm。
7. the ferrule for optical fiber fusion according to claim 3, wherein: the width of the opening is K, and the width satisfies:
0.25mm≤K≤4mm。
8. the ferrule for optical fiber fusion according to claim 1, wherein: the opening is a through hole, the diameter of the through hole is D3, the diameter or the thickness of the body is D1, the aperture of the inner hole is D2, wherein D3 is not more than D2 and is less than D1.
9. The ferrule for optical fiber fusion according to claim 8, wherein: the diameter D3 of the through hole satisfies:
0.25mm≤D3≤4mm。
10. a fusion apparatus, characterized by: the optical fiber fusion splicing device comprises the ceramic ferrule for optical fiber fusion splicing according to any one of claims 1 to 9 and a pair of discharge electrodes, wherein two optical fibers extend into the opening from two ends of the ceramic ferrule along the inner hole and realize optical fiber end alignment at the opening; and the pair of discharge electrodes are respectively positioned at two sides of the ceramic ferrule and respectively correspond to the openings, and electric arcs are generated by discharge so that the end parts of the two optical fibers in the openings are welded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123040081.2U CN216526380U (en) | 2021-12-06 | 2021-12-06 | Ceramic ferrule for optical fiber fusion splicing and fusion splicing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123040081.2U CN216526380U (en) | 2021-12-06 | 2021-12-06 | Ceramic ferrule for optical fiber fusion splicing and fusion splicing device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216526380U true CN216526380U (en) | 2022-05-13 |
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| CN202123040081.2U Active CN216526380U (en) | 2021-12-06 | 2021-12-06 | Ceramic ferrule for optical fiber fusion splicing and fusion splicing device thereof |
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| CN (1) | CN216526380U (en) |
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2021
- 2021-12-06 CN CN202123040081.2U patent/CN216526380U/en active Active
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