CN210347997U - Single-fiber three-dimensional optical device - Google Patents
Single-fiber three-dimensional optical device Download PDFInfo
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- CN210347997U CN210347997U CN201921363013.XU CN201921363013U CN210347997U CN 210347997 U CN210347997 U CN 210347997U CN 201921363013 U CN201921363013 U CN 201921363013U CN 210347997 U CN210347997 U CN 210347997U
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- light splitting
- tube
- fixing seat
- groove
- splitting sheet
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Abstract
The utility model relates to a single fiber three-dimensional optical device, including the cross tube shell, the beam splitter fixing base of being connected with cross tube shell top, the tube socket of being connected with cross tube shell bottom, the side tube socket of being connected with cross tube shell one side, the light receiver who is connected with the cross tube shell opposite side, the beam splitter fixing base is connected with the tube core, the first optical transmission device in inside of tube socket, the periphery of tube socket is equipped with forward regulation circle, is equipped with second optical transmission device in the side tube socket, and the periphery of side tube socket is connected with the side direction and adjusts the circle, the beam splitter fixing base is equipped with the first inclined plane that is used for installing first beam splitter, is used for installing the second inclined plane of second beam splitter and is used for installing the first recess. The utility model discloses when realizing single fiber three-dimensional optical device function, make compact structure, with low costs, stability of product good, improved transmission rate.
Description
Technical Field
The utility model relates to an optical communication field especially relates to a single fiber three-dimensional optical device.
Background
At present, the competition of the optical communication market is more and more intense, and nowadays, with the high-speed development of broadband access, the PON technology becomes the preferred access mode of each operator at present due to the recognized characteristics of high rate, long distance, multiple services, low cost, easy maintenance and the like. However, as the demand of users for bandwidth is continuously increased, the existing access bandwidth will quickly become a bottleneck; meanwhile, with the continuous improvement of the access capability of the OLT, the number of covered users is also multiplied, so that the existing speed cannot meet the requirements of the users.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a single fiber three-dimensional optical device that transmission rate is high.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a single fiber three-dimensional optical device, includes the cross tube shell, the beam splitter fixing base of being connected with the cross tube shell top, the tube socket of being connected with the cross tube shell bottom, the side tube socket of being connected with cross tube shell one side, the light receiver of being connected with cross tube shell opposite side, the beam splitter fixing base is connected with the tube core, the inside first light emission device of tube socket, and the periphery of tube socket is equipped with forward control circle, is equipped with the second light emission device in the side tube socket, and the periphery of side tube socket is connected with the side direction control circle, the beam splitter fixing base is equipped with the first inclined plane that is used for installing first beam splitter, is used for installing the second inclined plane of second beam splitter and is used for installing.
Further, the inclination angle of the first inclined plane is 135 °, the inclination angle of the second inclined plane is 45 °, the included angle between the first light splitting sheet and the horizontal plane is 135 °, and the included angle between the second light splitting sheet and the horizontal plane is 45 °.
Furthermore, the side of the light splitting sheet fixing seat is provided with a first through hole for receiving the optical signal to pass through, and the first through hole is located in the first groove.
Furthermore, the bottom surface of the light splitting sheet fixing seat is provided with a second groove, a second through hole is formed in the second groove, and an isolator is arranged in the second groove.
Furthermore, the side of the light splitting sheet fixing seat is provided with a notch.
Furthermore, the top surface of the light splitting sheet fixing seat is provided with a third through hole for installing the ceramic ferrule.
Furthermore, the top surface of the light splitting sheet fixing seat is provided with a third groove for mounting the tube core.
Compared with the prior art, the utility model discloses single fiber three-dimensional optical device's beneficial effect is:
the three-dimensional optical device realizes the functions of a single-fiber three-dimensional optical device, has compact structure, low cost and good stability, and improves the transmission rate.
Drawings
Fig. 1 is a schematic diagram of the external structure of a single-fiber three-way optical device.
Fig. 2 is a schematic diagram of the internal structure of a single-fiber three-way optical device.
FIG. 3 is a schematic view of a fixing base of the spectrometer.
FIG. 4 is a second schematic view of the fixing base of the spectrometer.
FIG. 5 is a third schematic view of the fixing base of the spectrometer.
In the figure, 1, a tube core, 2, a light splitting sheet fixing seat, 3, a light receiving device, 4, a four-way tube shell, 5, a tube seat, 6, a first light emitting device, 7, a forward adjusting ring, 8, a side tube seat, 9, a second light emitting device, 10, a lateral adjusting ring, 11, a ceramic ferrule, 12, a first light splitting sheet, 13, a second light splitting sheet, 14, an isolator, 15, a third light splitting sheet, 21, a third through hole, 22, a third groove, 23, a first inclined plane, 24, a second inclined plane, 25, a first groove, 26, a first through hole, 27, a positioning cylinder, 28, a second groove, 29, a second through hole, 30 and a notch.
Detailed Description
Referring to fig. 1 to 5, a single-fiber three-way optical device includes a four-way tube 4, a beam splitter fixing base 2 connected to the top of the four-way tube 4, a tube base 5 connected to the bottom of the four-way tube 4, a side tube base 8 connected to one side of the four-way tube 4, and an optical receiver 3 connected to the other side of the four-way tube 4, wherein the beam splitter fixing base 2 is connected to a tube core 1, a first light emitting device 6 is disposed inside the tube base 5, and a forward adjusting ring 7 is disposed on the periphery of the tube base 5. A second light emitting device 9 is arranged in the side tube seat 8, and a lateral adjusting ring 10 is connected to the periphery of the side tube seat 10.
The spectroscope fixing seat 2 is provided with a first inclined surface 23 for mounting the first spectroscope 12, a second inclined surface 24 for mounting the second spectroscope 13, and a first groove 25 for mounting the third spectroscope 15. The included angle between the first inclined surface 23 and the second inclined surface 24 is 90 degrees, the inclination angle of the first inclined surface 23 is 135 degrees, the inclination angle of the second inclined surface 24 is 45 degrees, the included angle between the first light splitting sheet 12 and the horizontal plane is 135 degrees, and the included angle between the second light splitting sheet 13 and the horizontal plane is 45 degrees.
The side of the spectroscope fixing seat 2 is provided with a first through hole 26 for receiving optical signals, and the first through hole 26 is located in the first groove 25. The first through hole 26 faces the light receiving device 3. The bottom surface of the spectroscope fixing seat 2 is provided with a second groove 28, a second through hole 29 is arranged in the second groove 28, the second through hole 29 is opposite to the first light emitting device 6, the isolator 14 is arranged in the second groove 28, and the emitted light emitted by the first light emitting device 6 passes through the central hole of the isolator 14 through the second through hole 29.
The side of the spectroscope fixing seat 2 is provided with a notch 30, the notch 30 is arranged right opposite to the second light emitting device 9, and the emitted light of the second light emitting device 9 is emitted to the second spectroscope 13 through the notch 30.
The top surface of the spectroscope fixing seat 2 is provided with a third through hole 21 for installing the ceramic ferrule 11.
The top surface of the spectrometer fixing seat 2 is provided with a third groove 22 for mounting the tube core 1, so that the spectrometer fixing seat 2 is coaxial with the tube core 1. The light splitting sheet fixing seat 2 is provided with a positioning cylinder 27, and the positioning cylinder 27 is inserted into the four-way tube shell, so that the light splitting sheet fixing seat 2 and the four-way tube shell are coaxial in the vertical direction.
The single-fiber three-dimensional optical device is assembled in the following way:
(1) pressing the first light emitting device into the tube seat by adopting a compression joint and glue adding process;
(2) pressing the second light emitting device into the side tube seat by adopting a compression joint glue adding process;
(3) adhering the first light splitter, the second light splitter and the third light splitter to the light splitter fixing seat by adopting an adhesive process;
(4) fixing the ceramic ferrule in the spectroscope fixing seat by adopting a gluing process;
(5) assembling the ceramic sleeve on the ceramic ferrule;
(6) fixing the tube core in the third groove of the light splitting sheet fixing seat by adopting an adhesive process, and arranging the ceramic sleeve on the ceramic inserting core to enable the tube core to be coaxial with the light splitting sheet fixing seat;
(7) fixing the isolator in the second groove of the spectroscope fixing seat by adopting an adhesive process;
(8) the tube core, the light splitting sheet fixing seat device and an upper chuck of the coupling jig are connected together, and the light splitting sheet fixing seat and the four-way tube shell are connected together by laser welding of the four-way tube shell device and a lower chuck of the coupling jig;
(9) the first light emitting device on the tube seat is arranged on an upper chuck of a coupling jig, the tube core after the assembly is fixed is arranged on a lower chuck of the coupling jig, manual coupling or automatic coupling is carried out, the focal length of the first light emitting device is adjusted through a forward adjusting sleeve, coupling optical power or coupling current is observed in the coupling process, the coupled index meets the output optical power of the optical device, and the tube seat with the first light emitting device is connected with a four-way tube shell together through laser welding;
(10) the second light emitting device on the side tube seat is arranged on an upper chuck of the coupling jig, the plastic tube core after the assembly is fixed is arranged on a lower chuck of the coupling jig, manual coupling or automatic coupling is carried out, the focal length of the second light emitting device is adjusted through a lateral adjusting sleeve, coupling optical power or coupling current is observed in the coupling process, the coupled index meets the output optical power of the optical device, and the tube seat with the second light emitting device is connected with the four-way tube shell together through laser welding;
(11) the four-way tube shell assembly is arranged on an upper chuck of a coupling jig, a light receiving device is arranged on a lower chuck of the coupling jig, manual coupling or automatic coupling is carried out, coupling light power or coupling current is observed in the coupling process, the coupled index meets the output light power of the light receiving device, and the light receiving device and the four-way tube shell are connected together through a dispensing process.
The utility model has the advantages that:
1. realizing a fiber to realize two emission and one receiving light component of multiple wavelengths;
2. the space of the optical module is reduced, and the optical module is more miniaturized;
3. the device has the characteristics of simple structure, low cost, reliable performance and the like;
4. the optical devices are electrically isolated.
The utility model discloses when realizing single fiber three-dimensional optical device function, make compact structure, with low costs, stability of product good, improved transmission rate. The utility model discloses be applied to 10G EPON access technology, 10G EPON system is the smooth upgrading of current 1G EPON system, has compromise 1G and 10G business; meanwhile, the 10G EPON symmetrical OLT optical module is also the upgrading of the 10G EPON asymmetrical OLT optical module, the uplink rate is directly increased to 10.3125Gbit/s, and the requirement of a user on the uplink bandwidth is greatly met.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (7)
1. A single-fiber three-dimensional optical device is characterized in that: the light splitting sheet fixing seat is connected with a tube core, a first light emitting device is arranged in the tube base, the periphery of the tube base is provided with a forward adjusting ring, a second light emitting device is arranged in the side tube base, the periphery of the side tube base is connected with a lateral adjusting ring, and the light splitting sheet fixing seat is provided with a first inclined plane used for installing a first light splitting sheet, a second inclined plane used for installing a second light splitting sheet and a first groove used for installing a third light splitting sheet.
2. The triplexer of claim 1 wherein: the inclination angle of the first inclined plane is 135 degrees, the inclination angle of the second inclined plane is 45 degrees, the included angle between the first light splitting sheet and the horizontal plane is 135 degrees, and the included angle between the second light splitting sheet and the horizontal plane is 45 degrees.
3. The triplexer of claim 1 wherein: the side of the light splitting piece fixing seat is provided with a first through hole used for receiving optical signals to pass through, and the first through hole is located in the first groove.
4. The triplexer of claim 1 wherein: the bottom surface of the light splitting piece fixing seat is provided with a second groove, a second through hole is formed in the second groove, and an isolator is arranged in the second groove.
5. The triplexer of claim 1 wherein: the side of the light splitting piece fixing seat is provided with a notch.
6. The triplexer of claim 1 wherein: the top surface of the light splitting sheet fixing seat is provided with a third through hole for mounting the ceramic ferrule.
7. The triplexer of claim 1 wherein: and the top surface of the light splitting sheet fixing seat is provided with a third groove for mounting the tube core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363013.XU CN210347997U (en) | 2019-08-21 | 2019-08-21 | Single-fiber three-dimensional optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363013.XU CN210347997U (en) | 2019-08-21 | 2019-08-21 | Single-fiber three-dimensional optical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210347997U true CN210347997U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921363013.XU Active CN210347997U (en) | 2019-08-21 | 2019-08-21 | Single-fiber three-dimensional optical device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341511A (en) * | 2021-06-07 | 2021-09-03 | 绍兴中科通信设备有限公司 | High-performance single-fiber three-dimensional passive wavelength division optical device and assembling method thereof |
-
2019
- 2019-08-21 CN CN201921363013.XU patent/CN210347997U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341511A (en) * | 2021-06-07 | 2021-09-03 | 绍兴中科通信设备有限公司 | High-performance single-fiber three-dimensional passive wavelength division optical device and assembling method thereof |
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