CN215575850U

CN215575850U - High-power conical energy optical fiber coupling device

Info

Publication number: CN215575850U
Application number: CN202122105842.1U
Authority: CN
Inventors: 杨文文
Original assignee: Wuhan Micro Sensor Technology Co ltd
Current assignee: Wuhan Micro Sensor Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-18
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a high-power conical energy optical fiber coupling device, which comprises a shell structure, wherein an interface structure and a dustproof structure are arranged in the shell structure, an incident end conical optical fiber and an emergent end conical optical fiber are arranged in the interface structure, the interface structure comprises a coupling interface shell, a fiber core fixing shell is fixedly arranged in the coupling interface shell, a conical fiber core is arranged in the fiber core fixing shell, one end of the conical fiber core is integrally provided with a fiber core incident port, the diameter of the fiber core incident port is 5mm +/-0.5 mm, the other end of the conical fiber core is integrally provided with a fiber core emergent port, the diameter of the fiber core emergent port is 0.6mm +/-0.1 mm, the emergent port and the incident port of the conical fiber core in the interface structure are in the same arrangement with the incident end and the emergent end of the high-power conical energy optical fiber and the diameter of the internal fiber core, so that the high-power conical energy optical fiber coupling device is completely matched with the optical fiber, to solve the problem of incompatibility.

Description

High-power conical energy optical fiber coupling device

Technical Field

The utility model relates to the technical field of optical fiber coupling equipment, in particular to a high-power conical energy optical fiber coupling device.

Background

Most of the existing optical fiber coupling devices are coupled corresponding to common optical fibers, but a high-power tapered energy optical fiber is available in the market, the diameter of the fiber core of the high-power tapered energy optical fiber cannot be matched with that of most of the existing optical fiber coupling devices, so that the compatibility effect of the high-power tapered energy optical fiber is poor, and the maximum effect of the optical fiber cannot be fully exerted, so that a high-power tapered energy optical fiber coupling device needs to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-power conical energy optical fiber coupling device, wherein the exit port and the entrance port of an internal conical fiber core of the high-power conical energy optical fiber coupling device and the entrance end and the exit end of the high-power conical energy optical fiber are arranged in the same way, so that the diameters of the internal fiber cores are completely matched, and the problems in the background technology are solved.

In order to achieve the purpose, the utility model provides the following technical scheme:

a high-power conical energy optical fiber coupling device comprises a shell structure, wherein an interface structure and a dustproof structure are arranged in the shell structure, and an incident end conical optical fiber and an emergent end conical optical fiber are arranged in the interface structure;

the interface structure comprises a coupling interface shell, a fiber core fixing shell is fixedly installed in the coupling interface shell, a conical fiber core is arranged in the fiber core fixing shell, one end of the conical fiber core is integrally provided with a fiber core incident port, the diameter of the fiber core incident port is 5mm +/-0.5 mm, the other end of the conical fiber core is integrally provided with a fiber core emergent port, and the diameter of the fiber core emergent port is 0.6mm +/-0.1 mm;

the fiber core coupling structure comprises a fiber core fixing shell and is characterized in that an incident end slot is formed in one end of the fiber core fixing shell, the incident end slot is communicated with a fiber core incident port, an emergent end slot is formed in the other end of the fiber core fixing shell, the emergent end slot is communicated with a fiber core emergent port, and the incident end slot and the emergent end slot are arranged in a coupling interface shell.

Preferably, an incident end ceramic ferrule is arranged at a port of the incident end tapered optical fiber, and the incident end tapered optical fiber is inserted into the incident end slot through the incident end ceramic ferrule.

Preferably, the diameter of the fiber core in the incident end ceramic insert core is 5mm +/-0.5 mm, and the fiber core in the incident end ceramic insert core is communicated with the fiber core incident port.

Preferably, an exit end ferrule is arranged at a port of the exit end tapered optical fiber, and the exit end tapered optical fiber is inserted into the exit end slot through the exit end ferrule.

Preferably, the diameter of a fiber core in the ceramic core at the emergent end is 0.6mm +/-0.1 mm, and the fiber core in the ceramic core at the emergent end is communicated with an emergent port of the fiber core.

Preferably, the outer side of the coupling interface shell is fixedly connected with an interface shell fixing plate, and an interface shell clamping plate is fixedly connected to the interface shell fixing plate.

Preferably, the housing structure includes an optical fiber coupler housing, a coupler inner cavity is formed in the optical fiber coupler housing, and a coupler fastening groove is integrally formed in the inner wall of the optical fiber coupler housing.

Preferably, the interface structure is arranged in the coupler inner cavity, and the interface structure is inserted into the coupler buckling groove through the interface shell fixing plate.

Preferably, the dustproof structure comprises a dustproof cap shell, a dustproof cap inner groove is formed in the dustproof cap shell, and a dustproof cap protruding shell is integrally arranged on the outer side of the dustproof cap shell.

Preferably, the coupling interface shell is inserted into the inner groove of the dustproof cap, and the dustproof cap protruding shell is arranged in the interface shell buckling plate.

Compared with the prior art, the utility model has the beneficial effects that: the diameters of the exit port and the entrance port of the tapered fiber core in the interface structure, the entrance end and the exit end of the high-power tapered energy optical fiber and the inner fiber core are arranged in the same way, so that the optical fiber is completely matched with the optical fiber, and the problem of incompatibility is solved.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

FIG. 1 is a schematic view of a coupling interface housing and an optical fiber according to the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a three-dimensional view of the interface structure of the present invention;

FIG. 4 is a schematic diagram of an interface structure according to the present invention;

FIG. 5 is a schematic view of the housing structure of the present invention;

FIG. 6 is a schematic view of a dust-proof structure according to the present invention;

fig. 7 is a schematic view of a dustproof structure and an interface structure according to the present invention.

In the figure: 1. an interface structure; 2. a dust-proof structure; 3. a housing structure; 4. an incident-end tapered optical fiber; 5. an exit-end tapered optical fiber; 10. a coupling interface housing; 11. a fiber core fixing shell; 12. a tapered core; 13. a fiber core entrance port; 14. a core exit port; 15. an incident end slot; 16. an exit end slot; 17. an interface housing fixing plate; 18. a connector shell buckle plate; 20. a dust cap housing; 21. an inner groove of the dust cap; 22. the dustproof cap protrudes out of the shell; 30. a fiber optic coupler housing; 31. a coupler snap groove; 32. a coupler bore; 41. an incident end ceramic ferrule; 51. and the emergent end ceramic ferrule.

Detailed Description

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 only a part of the embodiments of the present invention, 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 invention.

Referring to fig. 1-7, the high power tapered energy optical fiber coupling device provided by the present invention includes a housing structure 3, an interface structure 1 and a dustproof structure 2 are disposed in the housing structure 3, and an incident end tapered optical fiber 4 and an exit end tapered optical fiber 5 are disposed in the interface structure 1;

as shown in fig. 1, the interface structure 1 includes a coupling interface housing 10, a fiber core fixing housing 11 is fixedly installed in the coupling interface housing 10, a tapered fiber core 12 is arranged in the fiber core fixing housing 11, one end of the tapered fiber core 12 is integrally provided with a fiber core entrance port 13, the diameter of the fiber core entrance port 13 is 5mm ± 0.5mm, the other end of the tapered fiber core 12 is integrally provided with a fiber core exit port 14, and the diameter of the fiber core exit port 14 is 0.6mm ± 0.1 mm; this is the detailed diameter setting for the tapered core 12 in the interface.

An incident end slot 15 is arranged at one end of the fiber core fixing shell 11, the incident end slot 15 is communicated with the fiber core incident port 13, an emergent end slot 16 is arranged at the other end of the fiber core fixing shell 11, the emergent end slot 16 is communicated with the fiber core emergent port 14, and the incident end slot 15 and the emergent end slot 16 are arranged in the coupling interface shell 10; the slot is arranged in the interface structure.

In addition, the incident end ceramic ferrule 41 is arranged at the port of the incident end tapered optical fiber 4, the diameter of the fiber core in the incident end ceramic ferrule 41 is 5mm +/-0.5 mm, the incident end tapered optical fiber 4 is inserted into the incident end slot 15 through the incident end ceramic ferrule 41, and the fiber core in the incident end ceramic ferrule 41 is communicated with the fiber core incident port 13.

As shown in fig. 1, an exit-end ferrule 51 is disposed at a port of the exit-end tapered fiber 5, and a fiber core diameter in the exit-end ferrule 51 is 0.6mm ± 0.1mm, after the exit-end tapered fiber 5 is inserted into the exit-end slot 16 through the exit-end ferrule 51, the fiber core in the exit-end ferrule 51 is communicated with the fiber core exit port 14.

As shown in fig. 3-4, the outer side of the coupling interface shell 10 is fixedly connected with an interface shell fixing plate 17, and the interface shell fixing plate 17 is fixedly connected with an interface shell snap plate 18, so that other structures can be conveniently connected with the interface structure 1.

As shown in fig. 5, the housing structure 3 includes an optical fiber coupler housing 30, a coupler cavity 32 is formed in the optical fiber coupler housing 30, and a coupler fastening groove 31 is integrally formed on an inner wall of the optical fiber coupler housing 30; through the above arrangement, the interface structure 1 can be disposed in the coupler cavity 32, and the interface structure 1 is inserted into the coupler fastening groove 31 through the interface shell fixing plate 17, where reference is made to fig. 1, so as to complete the connection arrangement of the interface structure 1 and the housing structure 3.

As shown in fig. 6, the dust-proof structure 2 includes a dust-proof cap housing 20, a dust-proof cap inner groove 21 is formed in the dust-proof cap housing 20, and a dust-proof cap protruding shell 22 is integrally formed outside the dust-proof cap housing 20; as shown in fig. 7, the above arrangement allows the coupling interface housing 10 to be inserted into the dust cap inner groove 21, and the dust cap protruding housing 22 to penetrate into the interface housing snap plate 18, so as to complete the connection arrangement between the interface structure 1 and the dust-proof structure 2.

The working principle is as follows: as shown in fig. 1, an incident end ferrule 41 at the port of an incident end tapered optical fiber 4 is inserted into the incident end slot 15, so that a fiber core in the incident end ferrule 41 is connected to the fiber core incident port 13;

then, the exit end ceramic ferrule 51 at the port of the exit end tapered optical fiber 5 is inserted into the exit end slot 16, so that the fiber core in the exit end ceramic ferrule 51 is connected with the fiber core exit port 14, thereby completing the connection between the incident end tapered optical fiber 4 and the exit end tapered optical fiber 5, so that the utility model can enable the optical fibers to perform a coupling action.

In the non-use condition, as shown in fig. 7, the dust cap inner groove 21 of the dust-proof structure 2 is inserted into the coupling interface shell 10, and the dust cap protruding shell 22 is inserted into the interface shell snap-in plate 18, so that the dust-proof structure 2 is snapped onto the interface structure 1, thereby preventing dust and other impurities from entering the coupling interface shell 10.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. High power toper energy fiber coupling device includes shell structure (3), its characterized in that: an interface structure (1) and a dustproof structure (2) are arranged in the shell structure (3), and an incident end tapered optical fiber (4) and an emergent end tapered optical fiber (5) are arranged in the interface structure (1);

the interface structure (1) comprises a coupling interface shell (10), a fiber core fixing shell (11) is fixedly installed in the coupling interface shell (10), a conical fiber core (12) is arranged in the fiber core fixing shell (11), a fiber core entrance port (13) is integrally formed at one end of the conical fiber core (12), the diameter of the fiber core entrance port (13) is 5mm +/-0.5 mm, a fiber core exit port (14) is integrally formed at the other end of the conical fiber core (12), and the diameter of the fiber core exit port (14) is 0.6mm +/-0.1 mm;

one end of the fiber core fixing shell (11) is provided with an incident end slot (15), the incident end slot (15) is communicated with the fiber core incident port (13), the other end of the fiber core fixing shell (11) is provided with an emergent end slot (16), the emergent end slot (16) is communicated with the fiber core emergent port (14), and the incident end slot (15) and the emergent end slot (16) are arranged in the coupling interface shell (10).

2. The high power tapered energy fiber coupling device of claim 1, wherein: an incident end ceramic ferrule (41) is arranged at the port of the incident end conical optical fiber (4), and the incident end conical optical fiber (4) is inserted into the incident end slot (15) through the incident end ceramic ferrule (41).

3. The high power tapered energy fiber coupling device of claim 2, wherein: the diameter of a fiber core in the incidence end ceramic ferrule (41) is 5mm +/-0.5 mm, and the fiber core in the incidence end ceramic ferrule (41) is communicated with a fiber core incidence port (13).

4. The high power tapered energy fiber coupling device of claim 1, wherein: an exit end ceramic ferrule (51) is arranged at the port of the exit end conical optical fiber (5), and the exit end conical optical fiber (5) is inserted into the exit end slot (16) through the exit end ceramic ferrule (51).

5. The high power tapered energy fiber coupling device of claim 4, wherein: the diameter of a fiber core in the emergent end ceramic ferrule (51) is 0.6mm +/-0.1 mm, and the fiber core in the emergent end ceramic ferrule (51) is communicated with a fiber core emergent port (14).

6. The high power tapered energy fiber coupling device of claim 1, wherein: the outer side of the coupling interface shell (10) is fixedly connected with an interface shell fixing plate (17), and an interface shell clamping plate (18) is fixedly connected to the interface shell fixing plate (17).

7. The high power tapered energy fiber coupling device of claim 6, wherein: the shell structure (3) comprises an optical fiber coupler shell (30), a coupler inner cavity (32) is formed in the optical fiber coupler shell (30), and a coupler clamping groove (31) is integrally formed in the inner wall of the optical fiber coupler shell (30).

8. The high power tapered energy fiber coupling device of claim 7, wherein: the interface structure (1) is arranged in an inner cavity (32) of the coupler, and the interface structure (1) is inserted into the coupler buckling groove (31) through an interface shell fixing plate (17).

9. The high power tapered energy fiber coupling device of claim 6, wherein: dustproof construction (2) include dust cap shell (20), dustproof cap inside groove (21) have been seted up in dustproof cap shell (20), the integration in dustproof cap shell (20) outside is provided with dustproof cap protruding shell (22).

10. The high power tapered energy fiber coupling device of claim 9, wherein: the coupling interface shell (10) is inserted in the dustproof cap inner groove (21), and the dustproof cap protruding shell (22) is arranged in the interface shell buckle plate (18).