CN211454037U - Connecting equipment with tail fibers for photoelectric transceiving - Google Patents
Connecting equipment with tail fibers for photoelectric transceiving Download PDFInfo
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- CN211454037U CN211454037U CN201922246758.4U CN201922246758U CN211454037U CN 211454037 U CN211454037 U CN 211454037U CN 201922246758 U CN201922246758 U CN 201922246758U CN 211454037 U CN211454037 U CN 211454037U
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- bottom plate
- optical fiber
- cover plate
- glue
- optical
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- 239000000835 fiber Substances 0.000 title claims description 34
- 239000013307 optical fiber Substances 0.000 claims abstract description 106
- 239000003292 glue Substances 0.000 claims abstract description 57
- 230000008878 coupling Effects 0.000 claims abstract description 48
- 238000010168 coupling process Methods 0.000 claims abstract description 48
- 238000005859 coupling reaction Methods 0.000 claims abstract description 48
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000005253 cladding Methods 0.000 claims description 11
- 239000003223 protective agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000006355 external stress Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
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- 241001391944 Commicarpus scandens Species 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of optical fiber communication, in particular to a connecting device for photoelectric receiving and transmitting of pigtails, which comprises a bottom plate and a cover plate which are mutually buckled, wherein the bottom plate is in a ladder shape and is respectively formed by a coupling surface coupled with the cover plate and a fixing surface at the tail part of the bottom plate and used for fixing the pigtails, the coupling surface is higher than the fixing surface, and the coupling surface and the fixing surface are formed by inclined surface transition; the length of the cover plate is matched with that of the coupling surface of the bottom plate, and two ends of the cover plate along the length direction are aligned with two ends of the coupling surface of the bottom plate in the length direction during assembly; the inclined plane and the fixed plane extend out of the cover plate; the coupling surface of the bottom plate is provided with at least one V-shaped through groove for installing optical fibers along the length direction of the coupling surface, the optical fibers are arranged in the through groove and are tangent to the inner wall of the through groove and the lower surface of the cover plate during assembly, and a space for containing glue A is formed between the fixed optical fiber rear cover plate and the bottom plate.
Description
Technical Field
The utility model relates to an optical fiber communication field, concretely relates to take optical fiber's connecting device for photoelectricity receiving and dispatching.
Background
The optical device can be coupled with an optical channel of the photoelectric transceiving connector with the tail fiber to realize the interconversion of optical signals and electric signals. At present, the coupling between the waveguide of the fiber array and the waveguide array of the optoelectronic transceiver is realized by adopting a method of directly butting and coupling the fiber array and the waveguide array. In practical application, the optical fiber array has the following problems:
1. on the basis of meeting the design requirements of modules, the general structure size of the optical fiber array is smaller, so that a cover plate of the optical fiber array is easily fractured by a positioning fixture when the optical fiber array is ground and positioned, and the qualification rate is lower during large-scale production;
2. when this type of optoelectronic transceiver connector is mounted on an optical device, UV glue is required to bond the connector and the device together after the optical paths are butt-coupled. After the baking process, the optical fiber inside the connector may shrink or break under the condition that the shrinkage capability of the glue is not consistent.
In order to solve the above technical problem prior art, an optical fiber array (see fig. 1) for photoelectric transceiving is disclosed, bottom plate and apron including mutual lock, set up the V type that a plurality of is used for holding optic fibre on the bottom plate and lead to the groove, the medial surface of apron is including being first medial surface and the second medial surface of ladder, form the space that is used for holding the colloid between second medial surface and the optic fibre, be equipped with between the up end of first medial surface and bottom plate and be used for bonding the head that the apron, V type lead to the groove and optic fibre respectively and glue. There is no optical fiber fixing glue between the tail of the second inner side and the optical fiber, optical fiber fixing glue is arranged between the front end of the second inner side and the optical fiber, and tail glue for respectively bonding the bottom plate, the cover plate and the optical fiber is arranged between the front end of the second inner side and the optical fiber. This solution has the following disadvantages:
1. the coupling end face of the connector is protruded with the optical fiber, so that the optical fiber is easily damaged.
2. A gap is reserved between the optical fiber at the tail part of the connector and the bottom plate, so that the optical fiber in the V-shaped groove and the optical fiber protruding out of the V-shaped groove at the tail part of the connector are not in the same straight line during assembly, and the optical fiber is easy to break and is easy to break under the stress condition. (V inslot optic fibre cloth is at base coupling surface, and the tail optical fiber is fixed at the upper cover plate afterbody, and optic fibre is difficult to guarantee not to produce the bending, has the degree of difficulty in the technology preparation, and optic fibre tensile strength also can reduce).
3. The protective glue is only one point of the tail part of the connector, which is close to the optical fiber, and is not enough to play a good role in protecting the whole glass head and the optical fiber.
4. The cover plate is longer than the bottom plate, and the hollow position of the cover plate is not uniformly stressed and damaged in actual coupling use.
SUMMERY OF THE UTILITY MODEL
Not enough to exist among the prior art, the utility model provides a take optic electricity of tail optical fiber to receive and dispatch and use jointing equipment has solved the inside disconnected fine problem of fiber array among the prior art to improve the tensile ability of optic fibre to a certain extent.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a connecting device with tail fibers for photoelectric transceiving comprises a bottom plate and a cover plate which are mutually buckled, wherein the bottom plate is in a step shape and is respectively formed by a coupling surface coupled with the cover plate and a fixing surface at the tail part of the bottom plate and used for fixing optical fibers, the coupling surface is higher than the fixing surface, and the coupling surface and the fixing surface are formed by inclined surface transition;
the length of the cover plate is matched with that of the coupling surface of the bottom plate, and two ends of the cover plate along the length direction are aligned with two ends of the coupling surface of the bottom plate in the length direction during assembly; the inclined plane and the fixed plane extend out of the cover plate;
the coupling surface of the bottom plate is provided with at least one V-shaped through groove for mounting optical fibers along the length direction of the coupling surface, the optical fibers are arranged in the through groove and are tangent to the inner wall of the through groove and the lower surface of the cover plate during assembly, and a space for containing glue A is formed between the cover plate and the bottom plate after the optical fibers are fixed;
the glue B is used for fixing the bottom plate, the cover plate and the optical fibers and is coated on the optical fibers on the fixing surface of the bottom plate, and the whole fixing surface is not coated;
and a protective agent C is further coated on the glue B, and covers the whole glue B and the whole fixing surface.
Specifically, the optical fibers arranged in the through groove are optical fiber cores after fiber stripping, the optical fibers arranged outside the through groove are provided with outer coatings, and the optical fibers in the through groove and the optical fibers outside the through groove are arranged on the bottom plate and then are on the same straight line.
And the optical fiber core arranged in the through groove is tangent to the inner surface of the V-shaped groove of the coupling surface of the bottom plate after being assembled, and the optical fiber outer cladding arranged outside the through groove is tangent to the fixing surface of the bottom plate after being assembled.
Preferably, the glue B is a hard glue.
Preferably, the protective agent C is soft gel.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the tail part of the optical fiber is fixed on the bottom plate by a hard glue, the thermal expansion coefficient of the hard glue is matched with the thermal expansion coefficients of the bottom plate and the optical fiber, and the glue is prevented from being peeled off from the optical fiber and the bottom plate due to high temperature in the processes of baking and curing the glue at high temperature and producing.
2. The surface of glue B coated with the soft glue C is bonded with the coupling surfaces of the tail part of the cover plate and the tail part of the bottom plate, the influence of external stress on the bonding strength of the optical fiber, the cover plate and the bottom plate can be reduced by the soft glue, and the optical fiber at the head part and the tail part of the glass is protected.
3. The V-shaped through grooves are distributed on the coupling surface of the bottom plate, so that optical fibers can be effectively controlled to keep a line on the bottom plate, the outer cladding layer of the optical fibers is just tangent to the coupling surface of the bottom plate, the optical fibers are enabled to completely keep a straight line in the glass head, the influence of bending on the stress of the optical fibers is reduced, and the tensile breaking capacity of the whole optical fiber connector is improved.
4. The optical fiber of the coupling surface of the connector is embedded in the bottom plate, and the fiber core surface is tangent to the inclined surface of the V-shaped groove of the bottom plate, so that the optical fiber is prevented from being damaged in manufacturing and transportation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of the prior art of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an exploded view of the present invention;
fig. 4 is a schematic structural diagram of the bottom plate of the present invention.
In the figure: the optical fiber coupling device comprises a cover plate 1, a bottom plate 2, glue A3, glue B4, protective agent C5, an optical fiber 6, a coupling surface 11, an inclined surface 12 and a fixing surface 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 2-4, the utility model provides a connecting device for photoelectric transceiving with tail fiber, which comprises a bottom plate 2 and a cover plate 1 which are mutually buckled, wherein the bottom plate 2 is in a ladder shape and is respectively formed by a coupling surface 11 coupled with the cover plate 1 and a fixing surface 13 at the tail part of the bottom plate 2 and used for fixing an optical fiber 6, the coupling surface 11 is higher than the fixing surface 13, and the coupling surface 11 and the fixing surface 13 are formed by transition of an inclined surface 12; the length of the cover plate 1 is matched with that of the coupling surface 11 of the bottom plate 2, and two ends of the cover plate 1 along the length direction are aligned with two ends of the coupling surface 11 of the bottom plate 2 along the length direction during assembly; the inclined plane 12 and the fixed plane 13 extend out of the cover plate 1; the coupling surface 11 of the bottom plate 2 is provided with at least one V-shaped through groove for mounting the optical fiber 6 along the length direction, the optical fiber 6 is arranged in the through groove and is tangent to the inner wall of the through groove and the lower surface of the cover plate 1 during assembly, and a space for containing glue A3 is formed between the cover plate 1 and the bottom plate 2 after the optical fiber 6 is fixed; the glue B4 for fixing the bottom plate 2, the cover plate 1 and the optical fiber 6 is arranged on the fixing surface 13 of the bottom plate 2, and the glue B4 coats the optical fiber 6 on the fixing surface 13 of the bottom plate 2 and does not coat the whole fixing surface 13; the upper surface of the glue B4 is further coated with a protective agent C5, and the protective agent C5 covers the whole glue B4 and the whole fixing surface 13.
The utility model discloses the apron 1 and a coupling surface 11 by a plurality of optic fibre 6, a glass or silica-based material are equipped with the bottom plate 2 of the logical groove glass material of V type and will lap 1 and bottom plate 2 and optic fibre 6 bonding connector that three glue constitutes together. The fiber core of the optical fiber 6 after fiber stripping is arranged in the V-shaped through groove of the bottom plate 2, is tangent with two inner walls of the V-shaped through groove and is also tangent with the cover plate 1. The other parts in the V-shaped through groove are filled with glue A3, the space between the cover plate 1 and the bottom plate 2 is also filled with glue, and after the glue is heated and cured by ultraviolet light, the cover plate 1 and the bottom plate 2 are firmly adhered together by the glue A3. The optical fiber 6 extending out of the V-shaped through groove part is not stripped and is provided with an outer cladding layer of the optical fiber 6. Glue B4 is a hard glue, and glue B4 bonds the optical fiber 6 and the backplane 2 together. The glue C5 is a soft glue, and is coated on the upper end of the glue B4 to reduce the damage of external stress to the connector and protect the cover plate 1, the tail part of the bottom plate 2 and the optical fiber 6.
Specifically, the optical fibers 6 placed in the through grooves are optical fiber 6 cores stripped from the optical fibers, the optical fibers 6 placed outside the through grooves are provided with outer cladding layers, and the optical fibers 6 in the through grooves and the optical fibers 6 outside the through grooves are arranged on the bottom plate 2 and then are in a straight line. Furthermore, the optical fiber core arranged in the through groove is tangent to the inner surface of the V-shaped groove of the coupling surface 11 of the bottom plate 2 after being assembled, and the outer cladding of the optical fiber 6 arranged outside the through groove is tangent to the fixing surface (13) of the bottom plate 2 after being assembled, so that the optical fiber 6 is completely arranged on the bottom plate 2 in a straight line without any bending, the fiber stripping opening of the optical fiber 6 can be prevented from being broken, and the tensile breaking capacity of the whole optical fiber 6 connector can be greatly improved. The V-shaped through groove is arranged on the coupling surface 11 of the bottom plate 2, the fiber core of the optical fiber 6 is just tangent to the inner wall of the through groove and the cover plate 1, the cladding of the optical fiber 6 exposed out of the tail part of the connector is just tangent to the bottom plate 2, and the middle part of the cladding is not suspended.
The utility model discloses take optical fiber's for photoelectricity receiving and dispatching jointing equipment is when the assembly, including following step:
s1, stripping an outer cladding layer of the optical fiber 6, wherein the stripping length is matched with the length of the through groove; then the fiber core with the outer cladding layer stripped is placed in the through groove, so that the whole through groove is filled with the fiber core;
s2, buckling the cover plate 1 on the coupling surface 11 of the bottom plate 2, bonding the cover plate 1 and the bottom plate 2 by glue A3, and heating and pre-curing by ultraviolet light;
s3, adopting hard glue B4 to bond and fix the optical fiber 6 outside the through groove and the bottom plate 2;
s4, coating a protective agent C5 on the outer layer of the glue B4, wherein the protective agent C5 covers the whole glue B4 and the whole fixing surface 13. The coating is used for reducing the damage that external stress caused to the connector in the upper end of glue B, protects apron 1, bottom plate 2 afterbody and optic fibre 6.
The utility model discloses 6 afterbody of optic fibre is fixed optic fibre 6 on bottom plate 2 by a ebonite earlier, and the coefficient of thermal expansion of this kind of ebonite is more identical with bottom plate 2 and optic fibre 6's coefficient of thermal expansion, prevents to toast the high temperature in curing glue and the production process at high temperature and arouses the peeling off of glue and optic fibre 6 and bottom plate 2. The surface of glue B coated with soft glue C is bonded with the tail coupling surface 11 of the cover plate 1 and the tail coupling surface of the bottom plate 2, the influence of external stress on the bonding strength of the optical fiber 6, the cover plate 1 and the bottom plate 2 can be reduced by the soft glue C, and the optical fiber 6 at the head and the tail of the glass is protected. The V-shaped through groove is arranged on the coupling surface 11 of the bottom plate 2, so that the optical fiber 6 can be effectively controlled to keep a line on the bottom plate 2, the outer cladding of the optical fiber 6 is just tangent to the coupling surface 11 of the bottom plate 2, the optical fiber 6 is enabled to completely keep a straight line in the glass head, the influence of bending on the stress of the optical fiber 6 is reduced, and the anti-breaking capacity of the whole optical fiber 6 connector is improved. The optical fiber 6 in the coupling surface 11 of the connector is embedded in the bottom plate 2, and the fiber core surface is tangent to the inclined surface of the V-shaped groove of the bottom plate, so that the optical fiber is prevented from being damaged in manufacturing and transportation.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a take optical-electrical transceiver of tail optical fiber uses connecting device which characterized in that: the optical fiber connector comprises a bottom plate (2) and a cover plate (1) which are buckled with each other, wherein the bottom plate (2) is in a step shape and is respectively formed by a coupling surface (11) coupled with the cover plate (1) and a fixing surface (13) which is arranged at the tail part of the bottom plate (2) and used for fixing an optical fiber (6), the coupling surface (11) is higher than the fixing surface (13), and the coupling surface (11) and the fixing surface (13) are formed by transition of an inclined surface (12);
the length of the cover plate (1) is matched with that of the coupling surface (11) of the bottom plate (2), and two ends of the cover plate (1) along the length direction are aligned with two ends of the coupling surface (11) of the bottom plate (2) along the length direction during assembly; the inclined plane (12) and the fixed plane (13) extend out of the cover plate (1);
the coupling surface (11) of the bottom plate (2) is provided with at least one V-shaped through groove for mounting the optical fiber (6) along the length direction, the optical fiber (6) is arranged in the through groove and is tangent to the inner wall of the through groove and the lower surface of the cover plate (1) during assembly, and a space for containing the glue A (3) is formed between the cover plate (1) and the bottom plate (2) after the optical fiber (6) is fixed;
glue B (4) for fixing the bottom plate (2), the cover plate (1) and the optical fibers (6) is arranged on the fixing surface (13) of the bottom plate (2), the optical fibers (6) on the fixing surface (13) of the bottom plate (2) are fully coated with the glue B (4), and the whole fixing surface (13) is not fully coated with the glue B (4);
and the upper surface of the glue B (4) is also coated with a protective agent C (5), and the protective agent C (5) covers the whole glue B (4) and the whole fixing surface (13).
2. The optical-electrical transceiving connecting device with the pigtail according to claim 1, wherein: the optical fibers (6) arranged in the through grooves are optical fiber cores after fiber stripping, the optical fibers (6) arranged outside the through grooves are provided with outer coatings, and the optical fibers (6) in the through grooves and the optical fibers (6) outside the through grooves are arranged on the bottom plate (2) and then are on the same straight line.
3. The optical-electrical transceiving connecting device with the pigtail according to claim 2, wherein: the optical fiber core arranged in the through groove is tangent to the inner surface of the V-shaped groove of the coupling surface (11) of the bottom plate (2) after being assembled, and the optical fiber outer cladding arranged outside the through groove is tangent to the fixing surface (13) of the bottom plate (2) after being assembled.
4. The optical-electrical transceiving connecting device with the tail fiber according to claim 3, wherein: and the glue B (4) is hard glue.
5. The optical-electrical transceiving connecting device with the tail fiber according to claim 3, wherein: the protective agent C (5) is soft gum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246758.4U CN211454037U (en) | 2019-12-16 | 2019-12-16 | Connecting equipment with tail fibers for photoelectric transceiving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246758.4U CN211454037U (en) | 2019-12-16 | 2019-12-16 | Connecting equipment with tail fibers for photoelectric transceiving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211454037U true CN211454037U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922246758.4U Active CN211454037U (en) | 2019-12-16 | 2019-12-16 | Connecting equipment with tail fibers for photoelectric transceiving |
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| Country | Link |
|---|---|
| CN (1) | CN211454037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022178825A1 (en) * | 2021-02-26 | 2022-09-01 | Intel Corporation | Novel design for fiber array unit (fau) for optical transceiver products |
-
2019
- 2019-12-16 CN CN201922246758.4U patent/CN211454037U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022178825A1 (en) * | 2021-02-26 | 2022-09-01 | Intel Corporation | Novel design for fiber array unit (fau) for optical transceiver products |
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Effective date of registration: 20240315 Address after: Room 601 and 701, North Block, Yuanxing Technology Building, No.1 Songpingshan Road, High tech Industrial Park (North District), Nanshan District, Shenzhen, Guangdong Province, 518057 Patentee after: Longmet Communication Technology (Shenzhen) Co.,Ltd. Country or region after: China Address before: 518057 xinfeitong optoelectronic building, No.8, Keji South 12 road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: NEOPHOTONICS Corp. Country or region before: China |