CN220171299U - Optical fiber array - Google Patents
Optical fiber array Download PDFInfo
- Publication number
- CN220171299U CN220171299U CN202320823748.6U CN202320823748U CN220171299U CN 220171299 U CN220171299 U CN 220171299U CN 202320823748 U CN202320823748 U CN 202320823748U CN 220171299 U CN220171299 U CN 220171299U
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- China
- Prior art keywords
- section
- optical fiber
- substrate
- cover plate
- optic fibre
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 89
- 239000003292 glue Substances 0.000 claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 48
- 239000000835 fiber Substances 0.000 claims abstract description 35
- 238000005253 cladding Methods 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 2
- 238000007526 fusion splicing Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model relates to the field of optical fiber connection, in particular to an optical fiber array, which comprises a substrate, a cover plate and optical fibers, wherein the optical fibers comprise an optical fiber exposed section and an optical fiber cladding section, a plurality of V-shaped grooves for accommodating the optical fiber exposed section are formed in the substrate, one end of the substrate, which is close to the optical fiber cladding section, is provided with an extension section protruding relative to the cover plate, a head rubber is arranged between the optical fiber exposed section and the substrate and between the substrate and the cover plate, a tail rubber is arranged on the outer side of the head rubber, a step structure is arranged at the bottom of the extension section of the substrate, the tail rubber is in contact with the side end face of the cover plate, and the coated optical fiber exposed section, the head rubber and part of the optical fiber cladding section are in contact with the side end face of the step on the extension section of the substrate. Compared with the prior art, the utility model has the advantages that: the thickness of the glue amount can be effectively controlled; the positioning and clamping of the product during use are facilitated; the base plate and the cover plate are additionally provided with the slotted structures, so that the fusion joint avoidance is facilitated after the optical fibers of different fiber cores are fused.
Description
Technical Field
The utility model relates to the field of optical fiber connection, in particular to an optical fiber array.
Background
The optical fiber array is formed by using a V-shaped groove substrate to mount a bundle of optical fibers or an optical fiber ribbon on the substrate according to a specified interval, and mainly comprises a glass cover plate, optical fibers, a substrate, head glue and tail glue. The processing process of the optical fiber array comprises the steps of firstly removing the exposed optical fiber part of the optical fiber coating, placing the exposed optical fiber part in the V-shaped groove of the substrate, pressing the optical fiber into the substrate through the cover plate by a special clamp, gluing the optical fiber by the head glue, and then covering the optical fiber by the tail glue, so that the optical fiber is protected from cracking or being damaged when the optical fiber is bent. See fig. 7 of the accompanying description: in the existing structure, glue flow cannot be controlled when glue is dispensed at the tail part of the cover plate and the bottom of the substrate, the quantity and the thickness of the glue are not easy to control, the tail glue can be completely covered on the extending section of the substrate and can be contacted with the lower edge of the side end face of the extending section of the substrate, and therefore the existing optical fiber array cannot effectively reserve space for positioning or clamping the end of use of a finished product.
Disclosure of Invention
The utility model aims to solve the technical problems of overcoming the defects of the prior art, providing the optical fiber array with controllable tail glue thickness and no need of full inspection, and simultaneously, the optical fiber array has a reserved space and is convenient to position and clamp.
In order to achieve the above purpose, an optical fiber array is designed, which comprises a substrate, a cover plate and optical fibers, wherein the optical fibers comprise an optical fiber exposed section and an optical fiber cladding section, a plurality of V-shaped grooves for accommodating the optical fiber exposed section are formed in the substrate, one end of the substrate, which is close to the optical fiber cladding section, is provided with an extension section protruding relative to the cover plate, a head rubber is arranged between the optical fiber exposed section and the substrate and the cover plate, a tail rubber is arranged on the outer side of the head rubber, a step structure is arranged at the bottom of the extension section of the substrate, the tail rubber is in contact with the side end face of the cover plate, and the coated optical fiber exposed section, the head rubber and the side end face of the step on the extension section of the substrate are in contact after being coated with the optical fiber exposed section, the head rubber and part of the optical fiber cladding section.
Preferably, the tail glue coats the side end face of the step structure on the substrate until the tail glue is matched with the lower edge of the side end face of the step structure on the substrate.
Still design an optical fiber array, including base plate, apron and optic fibre, optic fibre includes the naked section of optic fibre and optic fibre cladding section, set up a plurality of V-arrangement grooves that are used for holding the naked section of optic fibre on the base plate, base plate is close to optic fibre cladding section one end and has relative apron convex extension section, be equipped with the head between the naked section of optic fibre and base plate and the apron and glue, the head is glued the outside and is equipped with the tail, the apron is close to the one end of optic fibre cladding section and is equipped with step structure, the tail glues the side terminal surface contact with the base plate extension section, and the cladding optic fibre is glued after the cladding optic fibre is naked section, head and part optic fibre cladding section and is contacted with the side terminal surface of apron extension section lower step.
Preferably, the tail glue coats the side end face of the cover plate lower step structure until the tail glue is matched with the upper edge of the side end face of the cover plate lower step structure.
The two technical schemes also have the following preferable technical scheme at the same time:
1. the substrate is provided with a plurality of V-shaped grooves, at least one second V-shaped groove is arranged on the V-shaped grooves, the second V-shaped grooves are perpendicular to the V-shaped grooves, and the cover plate is provided with avoidance V-shaped grooves which are matched with the second V-shaped grooves in position and opposite in direction.
2. The V-shaped grooves on the base plate are provided with at least one avoidance groove perpendicular to the V-shaped grooves, and the cover plate is provided with a second avoidance groove matched with the avoidance groove on the base plate.
Compared with the prior art, the utility model has the advantages that:
1. the thickness of the glue amount can be effectively controlled;
2. the positioning and clamping of the product during use are facilitated;
3. the base plate and the cover plate are additionally provided with the slotted structures, so that the fusion joint avoidance is facilitated after the optical fibers of different fiber cores are fused.
Drawings
FIG. 1 is a schematic view of a step structure of the present utility model;
FIG. 2 is a schematic view of another step structure of the present utility model;
FIG. 3 is a schematic view of a V-groove of the present utility model;
FIG. 4 is a front view of one configuration of the present utility model;
FIG. 5 is a schematic view of a clearance groove of the present utility model;
fig. 6 is a front view of another construction of the present utility model;
FIG. 7 is a front view of a prior art fiber array
In the figure: 1. a substrate; 2. a second V-shaped groove; 3. a cover plate; 4. head glue; 5. a step structure; 6. tail glue; 7. an optical fiber; 8. avoiding the V groove; 9. a clearance groove; 10. and a second clearance groove.
Detailed Description
The construction and principles of the present utility model will be readily apparent to those skilled in the art from the following description taken in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1, embodiment 1 provides an optical fiber array including a substrate 1, a cover plate 3, and optical fibers 7. The optical fiber 7 includes an optical fiber bare section and an optical fiber clad section. The substrate 1 is provided with a plurality of V-shaped grooves for accommodating bare sections of optical fibers. The substrate 1 has an extension protruding from the cover plate 3 at one end thereof adjacent to the cladding section of the optical fiber. And a head glue 4 is arranged between the optical fiber exposed section and the base plate 1 and the cover plate 3, and a tail glue 6 is arranged on the outer side of the head glue 4. The bottom of the extending section of the base plate 1 is provided with a step structure 5, the tail glue 6 is contacted with the side end face of the cover plate 3, and the coated optical fiber bare section, the head glue 4 and part of the optical fiber coated section are contacted with the side end face of the step structure 5 on the extending section of the base plate 1. The tail glue 6 wraps the side end face of the upper step structure 5 of the substrate 1 until the tail glue 6 is matched with the lower edge of the side end face of the upper step structure 5 of the substrate 1.
The specific manufacturing method comprises the following steps:
step 1: first, the optical fiber 7 is processed, and one end of the optical fiber 7 is coated with a coating layer to form an optical fiber bare segment. A portion of the fiber cladding section remains.
Step 2: the positions and the number of the V-shaped grooves are set on the substrate 1, and a plurality of V-shaped grooves are formed on the substrate 1 by machining, laser machining or the like.
Step 3: a step structure 5 is provided on the extension of the substrate 1. The step structure 5 can be formed by the same processing method.
Step 4: the bare segments of the optical fibers are placed in sequence in V-grooves on the substrate 1.
Step 5: a primer 4 is applied between the bare fiber segment and the substrate 1.
Step 6: the cover plate 3 is covered on the base plate 1, so that the head glue 4 forms a sealing connection between the optical fiber bare section and the base plate 1 and the cover plate 3.
Step 7: the tail glue 6 is coated on the outer side of the head glue 4, so that the tail glue 6 is contacted with the side end face of the cover plate 3, and is contacted with the side end face of the step 7 on the extension section 11 of the substrate 1 after the bare section of the optical fiber, the head glue 4 and part of the optical fiber are coated. The tail glue 6 wraps the side end face of the upper step structure 5 of the substrate 1 until the tail glue 6 is matched with the lower edge of the side end face of the upper step structure 5 of the substrate 1.
Example 2
As shown in fig. 2, embodiment 2 provides an optical fiber array including a substrate 1, a cover plate 3, and optical fibers 7. The optical fiber 7 includes an optical fiber bare section and an optical fiber clad section. The substrate 1 is provided with a plurality of V-shaped grooves for accommodating bare sections of optical fibers. The substrate 1 has an extension protruding from the cover plate 3 at one end thereof adjacent to the cladding section of the optical fiber. And a head glue 4 is arranged between the optical fiber exposed section and the base plate 1 and the cover plate 3, and a tail glue 6 is arranged on the outer side of the head glue 4. The cover plate 3 is close to one end of the optical fiber cladding section and is provided with a step structure 5, the tail glue 6 is contacted with the side end face of the extending section of the base plate 1, and the cladding optical fiber bare section, the head glue 4 and part of the optical fiber cladding section are contacted with the side end face of the lower step structure 5 of the extending section of the cover plate 3. The tail glue 6 coats the side end face of the lower step structure 5 of the cover plate 3 until the tail glue 6 is matched with the upper edge of the side end face of the lower step structure 5 of the cover plate 3.
Example 3
After fusion splicing, the outer diameter increases, which results in the optical fibers not being buried in the V-grooves, and thus, as shown in fig. 3 and 4, embodiment 3 provides an optical fiber array with improved structure. At least one second V-shaped groove 2 perpendicular to the V-shaped grooves can be arranged on the plurality of V-shaped grooves of the base plate 1, and the cover plate 3 is provided with avoiding V-shaped grooves 8 which are matched with the second V-shaped grooves 2 in position and opposite in direction. The second V-shaped groove 2 and the avoidance V-shaped groove 8 are matched to accommodate the position with the increased outer diameter after the optical fiber fusion, so that the avoidance of fusion points after the optical fiber fusion of different fiber cores is facilitated.
Example 4
After fusion splicing, the outer diameter increases, which results in the optical fibers not being buried in the V-grooves, and thus, as shown in fig. 5 and 6, embodiment 4 provides an improved optical fiber array. At least one avoidance groove 9 perpendicular to the V-shaped grooves 4 of the base plate 1 is arranged on the V-shaped grooves 4, and a second avoidance groove 10 matched with the avoidance groove 9 on the base plate 1 is arranged on the cover plate 3. The avoidance groove 9 and the second avoidance groove 10 are matched to accommodate the position with the increased outer diameter after the optical fiber fusion, so that the avoidance of fusion points after the optical fiber fusion of different fiber cores is facilitated.
The above description is only specific to the embodiments of the utility model, but the scope of the utility model is not limited thereto, and any person skilled in the art who is skilled in the art to which the utility model pertains shall apply to the technical solution and the novel concept according to the utility model, and shall all be covered by the scope of the utility model.
Claims (6)
1. The utility model provides an optical fiber array, includes base plate, apron and optic fibre, optic fibre includes the naked section of optic fibre and optic fibre cladding section, set up a plurality of V-arrangement grooves that are used for holding the naked section of optic fibre on the base plate, base plate is close to optic fibre cladding section one end and has relative apron convex extension section, be equipped with the head between the naked section of optic fibre and base plate and the apron and glue, the head is glued the outside and is equipped with tail and glues its characterized in that
The bottom of the substrate extension section is provided with a step structure,
the tail glue is contacted with the side end face of the cover plate, and the coated optical fiber bare section, the head glue and part of the optical fiber coated section are contacted with the side end face of the step on the substrate extension section.
2. The optical fiber array of claim 1, wherein the tail glue covers the side end surface of the step structure on the substrate until the tail glue mates with the lower edge of the side end surface of the step structure on the substrate.
3. The utility model provides an optical fiber array, includes base plate, apron and optic fibre, optic fibre includes the naked section of optic fibre and optic fibre cladding section, set up a plurality of V-arrangement grooves that are used for holding the naked section of optic fibre on the base plate, base plate is close to optic fibre cladding section one end and has relative apron convex extension section, be equipped with the head between the naked section of optic fibre and base plate and the apron and glue, the head is glued the outside and is equipped with tail and glues its characterized in that
One end of the cover plate close to the optical fiber cladding section is provided with a step structure,
the tail glue is contacted with the side end face of the extending section of the base plate, and is contacted with the side end face of the lower step of the extending section of the cover plate after coating the exposed section, the head glue and part of the optical fiber coating section.
4. A fiber array according to claim 3, wherein the pigtail glue covers the side end surface of the lower step structure of the cover plate until the pigtail glue mates with the upper edge of the side end surface of the lower step structure of the cover plate.
5. A fiber array according to claim 1 or 3, wherein the plurality of V-grooves on the substrate are provided with at least one second V-groove perpendicular thereto, and the cover plate is provided with a relief V-groove which is matched with the second V-groove in position and has opposite directions.
6. A fiber array according to claim 1 or 3, wherein the plurality of V-grooves on the substrate are provided with at least one clearance groove perpendicular thereto, and the cover plate is provided with a second clearance groove which is matched with the clearance groove on the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320823748.6U CN220171299U (en) | 2023-04-14 | 2023-04-14 | Optical fiber array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320823748.6U CN220171299U (en) | 2023-04-14 | 2023-04-14 | Optical fiber array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220171299U true CN220171299U (en) | 2023-12-12 |
Family
ID=89057717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320823748.6U Active CN220171299U (en) | 2023-04-14 | 2023-04-14 | Optical fiber array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220171299U (en) |
-
2023
- 2023-04-14 CN CN202320823748.6U patent/CN220171299U/en active Active
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