CN211653222U - Double-core optical fiber transceiver - Google Patents
Double-core optical fiber transceiver Download PDFInfo
- Publication number
- CN211653222U CN211653222U CN202020577772.2U CN202020577772U CN211653222U CN 211653222 U CN211653222 U CN 211653222U CN 202020577772 U CN202020577772 U CN 202020577772U CN 211653222 U CN211653222 U CN 211653222U
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- China
- Prior art keywords
- assembly substrate
- optical fiber
- core
- dual
- shell
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Abstract
The utility model provides a two core fiber optic transceivers belongs to optical element technical field, aims at solving fiber optic transceivers's heat dissipation problem. The double-core optical fiber transceiver comprises a shell, a circuit board, an assembly substrate and a radiator, wherein the shell comprises a top shell and a bottom shell, the circuit board is installed on the bottom shell, a semiconductor optical device and an electronic device are arranged on the lower surface of the assembly substrate, the upper surface of the assembly substrate is connected to the top surface of the inner surface of the top shell through thermal grease, and the top shell corresponds to the position of the assembly substrate and contacts with the radiator. The utility model is used for optical transmission and light reception.
Description
Technical Field
The utility model belongs to the technical field of optical element, especially, relate to a twin-core fiber transceiver.
Background
The optical fiber transceiver is used for realizing optical transmission and optical receiving functions. The optical fiber transceiver mounts a laser diode as a light emitting device and a photodiode as a light receiving device. The optical transceiver may further mount a driver driving the LD and an amplifier amplifying the electrical signal output from the PD. As the transmission speed of optical communication systems increases, the optical fiber transceivers in the systems generate more heat, and heat dissipation of the optical fiber transceivers becomes a necessary condition for the optical fiber transceivers to operate effectively.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem, a two-core fiber transceiver that the radiating effect is good is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a dual-core optical fiber transceiver comprises a shell, a circuit board, an assembly substrate and a radiator, wherein the shell comprises a top shell and a bottom shell, the circuit board is installed on the bottom shell, a semiconductor optical device and an electronic device are arranged on the lower surface of the assembly substrate, the upper surface of the assembly substrate is connected to the top surface of the inner surface of the top shell through thermal grease, and the top shell is in contact with the radiator at the position, corresponding to the assembly substrate, of the top.
Preferably, a frame surrounding the thermal grease is provided between the top case and the assembly substrate.
Preferably, the dual-core optical fiber transceiver further includes an optical fiber connector, a dual-core optical fiber, and a lens, the lens is disposed on the lower surface of the assembly substrate, the optical axis of the semiconductor optical device is perpendicular to the lower surface of the assembly substrate, the optical axis of the semiconductor optical device is bent by the lens in a direction parallel to the lower surface of the assembly substrate, the optical fiber connector includes a first ferrule, the assembly substrate is provided with a second ferrule at one end, one end of the dual-core optical fiber is sleeved in the first ferrule, and the other end of the dual-core optical fiber is sleeved in the second ferrule and connected to the lens.
Preferably, the two-core fiber optic transceiver further comprises a holding frame in which the lens is enclosed.
Preferably, the dual core fiber has excess length between the first ferrule and the second ferrule.
After the technical scheme is adopted, the utility model has the advantages of as follows:
the utility model discloses a two core fiber optic transceivers, semiconductor optical device and electronic device's heat transmit the radiator through equipment base plate, hot lubricating grease, top shell, via the radiator heat dissipation to the outside, have shortened the heat conduction route of semiconductor optical device and electronic device to the radiator, and the radiating effect is good to make fiber optic transceiver effectively work.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a dual-core optical fiber transceiver according to the present invention;
in the figure:
1-a housing; 101-top shell; 102-a bottom shell; 2-a circuit board; 3-a substrate; 4-a radiator; 5-thermal grease; 6-a frame; 7-a dual core fiber; 8-a lens; 9-looping one; 10-ferrule two; 11-a cage.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in the figure, the dual-core optical fiber transceiver comprises a shell 1, a circuit board 2, an assembly substrate 3 and a heat sink 4. The housing 1 includes a top case 101 and a bottom case 102, and the top case 101 and the bottom case 102 may be made of aluminum alloy or zinc alloy by die casting.
The circuit board 2 is mounted on the bottom case 102, and the assembly substrate 3 has semiconductor optical devices and electronic devices such as a laser driver and a preamplifier mounted thereon.
The lower surface of the assembly substrate 3 is provided with a semiconductor optical device and an electronic device, the upper surface of the assembly substrate 3 is connected to the top surface of the inner surface of the top case 101 by thermal grease 5, and the top case 101 is in contact with the heat sink 4 at a position corresponding to the assembly substrate 3 at the top. With the above structure, the heat conduction path from the semiconductor optical device and the electronic device to the heat sink 4 is shortened.
Preferably, a frame 6 surrounding the thermal grease 5 is provided between the top case 101 and the assembly substrate 3. The frame 6 may be made of an electrically conductive elastic material to prevent the thermal lubricant 5 from diffusing out.
The dual-core optical fiber transceiver also comprises an optical fiber connector (not shown), a dual-core optical fiber 7, a lens 8 and a holding frame 11. The lens 8 is provided on the lower surface of the assembly substrate 3, and the lens 8 is enclosed in the holding frame 11. The optical axis of the semiconductor optical device is perpendicular to the lower surface of the assembly substrate 3, and the lens 8 bends the optical axis of the semiconductor optical device in a direction parallel to the lower surface of the assembly substrate 3.
The optical fiber connector comprises a first ferrule 9, a second ferrule 10 is arranged at one end of the assembling substrate 3, one end of the double-core optical fiber 7 is sleeved in the first ferrule 9, and the other end of the double-core optical fiber 7 is sleeved in the second ferrule 10 and connected with the lens 8. The two-core optical fiber 7 has an extra length between the first ferrule 9 and the second ferrule 10, so that the positional deviation between the optical fiber connector and the lens 8 can be absorbed by the extra length of the two-core optical fiber 7.
In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.
Claims (5)
1. The utility model provides a two-core fiber transceiver, characterized in that, includes shell (1), circuit board (2), assembly substrate (3), radiator (4), shell (1) is including top shell (101) and drain pan (102), circuit board (2) are installed on drain pan (102), the lower surface of assembly substrate (3) is equipped with semiconductor optical device and electron device, the upper surface of assembly substrate (3) is connected to through hot grease (5) the top surface of the internal surface of top shell (101), top shell (101) correspond at the top the position of assembly substrate (3) with radiator (4) contact.
2. The dual-core fiber optic transceiver of claim 1, wherein a frame (6) surrounding the thermal grease (5) is provided between the top housing (101) and the assembly substrate (3).
3. The dual-core optical fiber transceiver according to claim 1, further comprising an optical fiber connector, a dual-core optical fiber (7), a lens (8), wherein the lens (8) is disposed on the lower surface of the assembly substrate (3), the optical axis of the semiconductor optical device is perpendicular to the lower surface of the assembly substrate (3), the lens (8) bends the optical axis of the semiconductor optical device in a direction parallel to the lower surface of the assembly substrate (3), the optical fiber connector comprises a first ferrule (9), the assembly substrate (3) is provided with a second ferrule (10) at one end, one end of the dual-core optical fiber (7) is sleeved in the first ferrule (9), and the other end of the dual-core optical fiber (7) is sleeved in the second ferrule (10) and connected with the lens (8).
4. The dual-core fiber optic transceiver of claim 3, further comprising a holding frame (11), the lens (8) being enclosed in the holding frame (11).
5. The dual-core fiber transceiver of claim 3, wherein the dual-core fiber (7) has excess length between the first ferrule (9) and the second ferrule (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577772.2U CN211653222U (en) | 2020-04-17 | 2020-04-17 | Double-core optical fiber transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577772.2U CN211653222U (en) | 2020-04-17 | 2020-04-17 | Double-core optical fiber transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211653222U true CN211653222U (en) | 2020-10-09 |
Family
ID=72688981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020577772.2U Expired - Fee Related CN211653222U (en) | 2020-04-17 | 2020-04-17 | Double-core optical fiber transceiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211653222U (en) |
-
2020
- 2020-04-17 CN CN202020577772.2U patent/CN211653222U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |