CN110007408B - Dampproofing sealed connector based on high-power single mode protection/single offset special optic fibre - Google Patents
Dampproofing sealed connector based on high-power single mode protection/single offset special optic fibre Download PDFInfo
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- CN110007408B CN110007408B CN201910369394.0A CN201910369394A CN110007408B CN 110007408 B CN110007408 B CN 110007408B CN 201910369394 A CN201910369394 A CN 201910369394A CN 110007408 B CN110007408 B CN 110007408B
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- sealing ring
- ring
- type sealing
- diameter size
- tail handle
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Classifications
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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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
Abstract
The invention discloses a moistureproof sealing type connector based on a high-power single-mode polarization maintaining/single-polarization special optical fiber, which comprises a traditional single-mode polarization maintaining/single-polarization optical fiber connector formed by sequentially sleeving a standard component flange, a right thrust seat, an inner ceramic core tube, a left thrust seat, a key, an outer ceramic ferrule, a spring, a stop tail handle, a round gasket, a large nut, a round ring, a compression ring and a tail fiber sleeve, wherein an I type sealing ring is arranged between the stop tail handle and the large nut of the traditional single-mode polarization maintaining/single-polarization optical fiber connector; a class II sealing ring is arranged between the key and the left thrust seat; a III-type sealing ring is arranged between the flange and the right thrust seat; the outer surface of the left half part of the stop tail handle, the outer surface of the left half part of the circular ring and the outer surface of the compression ring are covered with silicone rubber, and after the silicone rubber dries, the tail fiber sleeve is completely covered in the silicone rubber area. The connector has the advantages of low cost, good dampproof and sealing performance, simple manufacturing process and wide application range, and is an optical passive device with high stable connection and long service life.
Description
Technical Field
The invention relates to a high-power optical fiber connector, in particular to a moistureproof sealing type connector based on a high-power single-mode protection/single-polarization special optical fiber.
Background
The traditional single-mode polarization-maintaining/single-polarization fiber connector is assembled by all standard parts, the molding process of the traditional single-mode polarization-maintaining/single-polarization fiber connector is free of a sealing process and is not subjected to moisture-proof sealing treatment, in practical application, particularly in long-term online application, the traditional fiber connector is not provided with moisture-proof sealing effect, so that the interior of the traditional fiber connector is not up to standard, serious consequences are brought to the fields of optical transmission, optical measurement and optical sensing, particularly in high-power laser devices or strong light transmission and measurement application, the main laser transmission and measurement of the traditional single-mode polarization-maintaining/single-polarization-maintaining fiber connector are high in number and new requirements are provided for the fiber connector, in the important application fields, water mist is generated in the fiber connector during butt joint due to higher optical power in the fiber connector, in the process of recovering normal temperature in the fiber connector when an optical path is disconnected, particularly in the butt joint of the fiber connector, the water mist is condensed, the high-power laser device and the strong light transmission and the optical measurement system are increased, the performance is seriously reduced, and even the fiber cores of the fiber connector are damaged, so that the normal use of the device and the system is affected, and the reason is mainly because the traditional single-mode polarization-maintaining/single-polarization fiber connector is not subjected to moisture-maintaining fiber connector is subjected to moisture-proof sealing process, and the moisture-proof flange is not connected to the moisture-proof process is produced when the traditional flange is in the butt-mode fiber connector is subjected to the butt-sealed, and the flange is subjected to the process of the special moisture-proof sealing process.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art and provides a moistureproof sealing type connector based on a high-power single-mode protection/single-polarization special optical fiber. The novel connector has the advantages of low extra cost, good dampproof and sealing performances, simple manufacturing process, no need of changing the structural size of original parts and wide application range, and is an optical passive device with high stable connection and long service life.
The technical scheme for realizing the aim of the invention is as follows:
a moistureproof sealed connector based on high-power single-mode polarization-maintaining/single-polarization special optical fiber comprises a traditional single-mode polarization-maintaining/single-polarization optical fiber connector formed by sequentially sleeving a standard component flange, a right thrust seat, an inner ceramic core tube, a left thrust seat, a key, an outer ceramic core insert, a spring, a stop tail handle, a round gasket, a large nut, a round ring, a compression ring and a tail fiber sleeve, wherein compared with the prior art, the traditional single-mode polarization-maintaining/single-polarization-optical fiber connector is provided with a stop tail handle and a large nutA seal-like ring, which is similar to a seal ring,the quasi-sealing ring is sleeved on the left step of the stop tail handle, and is in transitional sealing and connection fixation when the stop tail handle is connected with the large nutThe seal-like ring is positioned on the inner step at the right end of the large nut; a key and a left thrust seat are arranged betweenA seal-like ring, which is similar to a seal ring,the similar sealing ring enables the front end of the outer ceramic lock pin, the key and the left thrust seat to be connected into transitional sealing, when the left thrust seat is connected with the outer ceramic lock pin,the seal ring is positioned at the right end of the key, namely the right side step of the outer ceramic lock pin, and is also positioned at the left side step of the left thrust blockApplying; the flange and the right thrust seat are arranged betweenA seal-like ring, which is similar to a seal ring,the flange 1 is in transitional sealing with the stop tail handle and the large nut when being connected by the seal ringThe seal ring is arranged at the outer step of the right end of the stop tail handle, when the seal ring is fastened with the flange and the large nut,the seal-like ring is positioned at the concave part of the rearmost end of the left side thread of the flange; the outer surface of the left half part of the stop tail handle, the outer surface of the left half part of the circular ring and the outer surface of the compression ring are covered with silicone rubber, and after the silicone rubber dries, the tail fiber sleeve is completely covered in a silicone rubber area.
The saidThe similar sealing ring is a silica gel O-shaped sealing ring,the inner diameter of the seal ring is equal to the outer diameter of the right end of the stop tail handle,The outer diameter of the seal ring is equal to the inner diameter of the right end of the large nut,The size of the line diameter of the seal ring meets the requirement of transition seal when the stop tail handle is connected with the large nut.
The saidThe similar sealing ring is a silica gel O-shaped sealing ring,the inner diameter size of the seal ring is equal to the outer diameter size of the right end of the outer ceramic ferrule,The outer diameter of the seal ring is equal to the inner diameter of the right end of the stop tail handle,The wire diameter of the seal ring meets the requirement that the outer ceramic ferrule and the stop tail handle are in transitional seal when connected with the left thrust seat.
The saidThe similar sealing ring is a silica gel O-shaped sealing ring,the inner diameter size of the seal ring is equal to the outer diameter size of the unthreaded concave part on the left side of the flange 1,The outer diameter of the seal ring is larger than the outer diameter of the right end of the large nut,The wire diameter of the seal ring meets the requirement of transitional sealing when the flange is connected with the large nut.
The silicone rubber is DOWCORNING732 sealant, the DOWCORNING732 sealant at least covers the connecting gap between the outer surface of the left half part of the circular ring, the outer surface of the left half part of the stop tail handle and the outer surface of the compression ring, and the tail fiber sleeve can be normally sleeved after the adhesive dries.
The moistureproof sealing type connector based on the high-power single-mode protection/single-polarization special optical fiber adopts a silica gel ring sealing process technology and a silicone rubber adhesive sealing process, utilizes a reserved space gap between the connection of all parts of the traditional optical fiber connector and a new 3-part silica gel ring sealing process and a 1-part silicone rubber adhesive process, and ensures that the connector of the technical scheme has good moistureproof sealing property when in use by fastening and reliable connection of all parts.
The novel dampproof sealed high-power single-mode protection/single-polarization special optical fiber connector can overcome the defects of the traditional single-mode protection/single-polarization optical fiber connector and the use thereof, and has the following main beneficial effects:
1) The device can be applied to light transmission and light measurement of a high-power optical fiber device or system for a long time, has long-term stable dampproof sealing performance, and solves the problem of poor dampproof sealing performance of the traditional single-mode polarization-maintaining/single-polarization optical fiber connector;
2) The fiber can directly replace the traditional single-mode polarization-preserving/single-polarization fiber connector and application thereof, and an interface or a structure is not required to be additionally arranged;
3) The moistureproof sealing type high-power single-mode protection/single-bias special optical fiber connector is still movably connected with the flange, can be arbitrarily plugged and pulled out when in use, and has long-term moistureproof sealing effect when in connection and fastening;
4) The dampproof sealed high-power single-mode protection/single-polarization special optical fiber connector has the advantages of low cost, unchanged appearance structure size, simple manufacturing process and steps, wide application range and large market capacity;
5) The moistureproof sealing type high-power single-mode protection/single-polarization special optical fiber connector does not increase the additional loss of the optical fiber connector due to a new moistureproof sealing process, the new moistureproof sealing process does not influence the end face grinding treatment process and the shaft accuracy during manufacturing of the protection/single-polarization optical fiber connector, and the optical index after molding is not influenced by the new technology.
The connector has the advantages of low extra cost, good dampproof and sealing performance, simple manufacturing process and wide application range due to the newly added dampproof sealing performance, and is an optical passive device with high stable connection and long service life.
Drawings
FIG. 1 is a schematic diagram of a conventional single mode/single polarization maintaining fiber connector according to an embodiment;
FIG. 2 is a schematic diagram illustrating the assembly of components of a conventional single mode/polarization maintaining fiber optic connector according to an embodiment;
FIG. 3 is a schematic diagram of an embodiment;
fig. 4 is a schematic diagram showing the assembly of components in the embodiment.
In the figure, the flange 1, the right thrust block 3, the inner ceramic core tube 4, the left thrust block 5, the key 6, the outer ceramic ferrule 7, the spring 8, the stop tail handle 9, the round washer 10, the large nut 11, the circular ring 12, the compression ring 13 and the tail fiber sleeve 14.And a seal-like ring 15.And a seal-like ring 16.Seal-like ring 17 silicone rubber adhesive area.
Detailed Description
The present invention will now be further illustrated with reference to the drawings and examples, but is not limited thereto.
Examples:
referring to fig. 3 and 4, a moistureproof sealing type connector based on high-power single-mode polarization maintaining/single-polarization special optical fiber comprises a traditional single-mode polarization maintaining/single-polarization optical fiber connector formed by sequentially sleeving a standard component flange 1, a right thrust seat 2, an inner ceramic core tube 3, a left thrust seat 4, a key 5, an outer ceramic ferrule 6, a spring 7, a stop tail handle 8, a round gasket 9, a large nut 10, a round ring 11, a compression ring 12 and a tail fiber sleeve 13, wherein the stop tail handle 8 and the large nut 10 of the traditional single-mode polarization maintaining/single-polarization optical fiber connector are provided withA seal-like ring, which is similar to a seal ring,the quasi-sealing ring is sleeved on the left side step of the stop tail handle 8, and is in transitional sealing and connection fixation when the stop tail handle 8 is connected with the large nut 10The seal-like ring is positioned on the inner step at the right end of the large nut 10; a key 5 and a left thrust seat 4 are arranged betweenA seal-like ring, which is similar to a seal ring,the seal ring makes the front end of the outer ceramic lock pin 6, the key 5 and the left thrust block 4 connected as transition seal, when the left thrust block 4 is connected with the outer ceramic lock pin 6,the seal-like ring is positioned at the right end of the key 5, namely on the right side step of the outer ceramic ferrule 6, and is also positioned on the left side step of the left thrust block 4; a right thrust seat 2 is arranged between the flange 1 and the right thrust seatA seal-like ring, which is similar to a seal ring,the flange 1 and the stop tail handle 8 and the large nut 10 are in transitional sealing when connected by the seal ringThe seal ring is arranged at the outer step of the right end of the stop tail handle 8, when being fastened with the flange 1 and the large nut 10,the seal-like ring is positioned at the concave part of the rearmost end of the left side thread of the flange 1; the outer surface of the left half part of the stop tail handle 8, the outer surface of the left half part of the circular ring 11 and the outer surface of the compression ring 12 are covered with silicone rubber, and after the silicone rubber is dried, the tail fiber sleeve 13 is pushed to the right to cover the silicone rubber area completely.
The saidThe seal-like ring 14 is a silica gel O-ring,the inner diameter of the seal ring 14 is equal to the outer diameter of the right end of the stop tail handle 8,The outer diameter of the seal-like ring 14 is equal to the inner diameter of the right end of the large nut 10,The size of the line diameter of the seal-like ring 14 meets the requirement that the transition seal is adopted when the stop tail handle 8 is connected with the large nut 10, and the size of the silica gel O-shaped seal ring 14 in the embodiment is 8.0mm multiplied by 1.0mm (outer diameter multiplied by line diameter).
The saidThe seal-like ring 15 is a silica gel O-ring,the inner diameter size of the seal ring 15 is equal to the outer diameter size of the right end of the outer ceramic ferrule 6,The outer diameter size of the seal ring 15 is equal to the inner diameter size of the right end of the stop tail handle 8,The wire diameter of the seal-like ring 15 is of a size which satisfies the transitional seal when the outer ceramic ferrule 6, the stop tail handle 8 and the left thrust seat 4 are connected, in this exampleThe dimensions of the seal-like ring 15 were 4.0mm×1.0mm (outer diameter×wire diameter).
The saidThe seal-like ring 16 is silica gel O-shapedA sealing ring, a sealing ring and a sealing ring,the inner diameter of the seal-like ring 16 is equal to the outer diameter of the unthreaded concave part on the left side of the flange 1,The outer diameter of the seal-like ring 16 is larger than the outer diameter of the right end of the large nut 10,The wire diameter of the seal-like ring 16 is of such a size that the flange 1 is in transitional sealing connection with the large nut 10, in this caseThe dimensions of the seal-like ring 16 were 9.5mm×2.0mm (outer diameter×wire diameter).
The silicone rubber is DOWCORNING732 sealant, the DOWCORNING732 sealant at least covers the connecting gap between the outer surface of the left half part of the circular ring 11, the outer surface of the left half part of the stop tail handle 8 and the outer surface of the compression ring 12, and after the adhesive dries, the tail fiber sleeve 13 can be normally sleeved tightly.
Claims (1)
1. A moistureproof sealing type connector based on a high-power single-mode polarization-maintaining/single-polarization special optical fiber comprises a traditional single-mode polarization-maintaining/single-polarization optical fiber connector formed by sequentially sleeving a standard component flange, a right thrust seat, an inner ceramic core tube, a left thrust seat, a key, an outer ceramic ferrule, a spring, a stop tail handle, a round gasket, a large nut, a round ring, a compression ring and a tail fiber sleeve, and is characterized in that a class I sealing ring is arranged between the stop tail handle and the large nut of the traditional single-mode polarization-maintaining/single-polarization optical fiber connector, the class I sealing ring is sleeved on the left side step of the stop tail handle, and is in transition sealing and connection fixing when the stop tail handle is connected with the large nut; a class II sealing ring is arranged between the key and the left thrust seat, the class II sealing ring enables the front end of the outer ceramic ferrule, the key and the left thrust seat to be connected into transitional sealing, and when the left thrust seat is connected with the outer ceramic ferrule, the class II sealing ring is positioned at the right end of the key, namely on the right side step of the outer ceramic ferrule, and is also positioned on the left side step of the left thrust seat; a III-type sealing ring is arranged between the flange and the right thrust seat, the III-type sealing ring enables the flange to be in transitional sealing when being connected with the stop tail handle and the large nut, at the moment, the III-type sealing ring is arranged at the outer step of the right end of the stop tail handle, and when the III-type sealing ring is fastened with the flange and the large nut, the III-type sealing ring is arranged at the concave position of the rearmost end of the left side thread of the flange; the outer surface of the left half part of the stop tail handle, the outer surface of the left half part of the circular ring and the outer surface of the compression ring are covered with silicone rubber, and after the silicone rubber dries, the tail fiber sleeve is completely covered in the silicone rubber area;
the I-type sealing ring is a silica gel O-type sealing ring, the inner diameter size of the I-type sealing ring is equal to the outer diameter size of the right end of the stop tail handle, the outer diameter size of the I-type sealing ring is equal to the inner diameter size of the right end of the large nut, and the I-type sealing ring has transitional sealing when the stop tail handle is connected with the large nut;
the second type sealing ring is a silica gel O-shaped sealing ring, the inner diameter size of the second type sealing ring is equal to the outer diameter size of the right end of the outer ceramic ferrule, the outer diameter size of the second type sealing ring is equal to the inner diameter size of the right end of the stop tail handle, and the transition sealing is realized when the wire diameter size of the second type sealing ring meets the requirements of the outer ceramic ferrule and the stop tail handle is connected with the left thrust seat;
the III-type sealing ring is a silica gel O-type sealing ring, the inner diameter size of the III-type sealing ring is equal to the outer diameter size of a thread-free concave part on the left side of the flange, the outer diameter size of the III-type sealing ring is larger than the outer diameter size of the right end of the large nut, and the line diameter size of the III-type sealing ring is transitional sealing when the flange is connected with the large nut;
the silicone rubber is DOWCORNING732 sealant, the DOWCORNING732 sealant at least covers the connecting gap between the outer surface of the left half part of the circular ring, the outer surface of the left half part of the stop tail handle and the outer surface of the compression ring, and the tail fiber sleeve can be normally sleeved after the adhesive dries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369394.0A CN110007408B (en) | 2019-05-06 | 2019-05-06 | Dampproofing sealed connector based on high-power single mode protection/single offset special optic fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369394.0A CN110007408B (en) | 2019-05-06 | 2019-05-06 | Dampproofing sealed connector based on high-power single mode protection/single offset special optic fibre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110007408A CN110007408A (en) | 2019-07-12 |
| CN110007408B true CN110007408B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910369394.0A Active CN110007408B (en) | 2019-05-06 | 2019-05-06 | Dampproofing sealed connector based on high-power single mode protection/single offset special optic fibre |
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| CN (1) | CN110007408B (en) |
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| CN110007408A (en) | 2019-07-12 |
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