CN220752353U - Device with same side light in transmitting and receiving - Google Patents
Device with same side light in transmitting and receiving Download PDFInfo
- Publication number
- CN220752353U CN220752353U CN202322619160.1U CN202322619160U CN220752353U CN 220752353 U CN220752353 U CN 220752353U CN 202322619160 U CN202322619160 U CN 202322619160U CN 220752353 U CN220752353 U CN 220752353U
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- transmitting
- receiving
- pcba board
- optical filter
- core
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- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000003287 optical effect Effects 0.000 claims abstract description 32
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000013307 optical fiber Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a device with same side light in transmitting and receiving, comprising: the device comprises a PCBA board, a transmitting TO-CAN, a receiving TO-CAN and a core-insert adapter, wherein the transmitting TO-CAN, the receiving TO-CAN and the core-insert adapter are arranged on the same side of the PCBA board, and pins of the receiving TO-CAN and the transmitting TO-CAN are welded with a bonding pad on the surface of the PCBA board along a direction parallel TO the surface of the PCBA board; the pins of the transmitting TO-CAN are parallel TO the center of the core-insert adapter, an optical filter which is obliquely distributed is arranged between the optical port of the core-insert adapter and the optical port of the transmitting TO-CAN, a reflecting mirror which is parallel TO and opposite TO the optical filter is arranged on the reflecting side of the optical filter, and the reflecting point of the reflecting mirror is opposite TO the optical port of the receiving TO-CAN. The beneficial effects are as follows: the pin length can be shortened to the limit compared with the prior art without digging holes in the PCBA board, bending is not needed, electric crosstalk in a high-frequency state is small, transmission performance is good, production cost is low, and disassembly is more convenient.
Description
Technical Field
The utility model relates to the field of optical devices, in particular to a device with same-side light of transmitting and receiving.
Background
The application number is: 2016108766643 discloses a transceiving side light device which is arranged on a main board, and the main board is connected with an optical fiber through the transceiving side light device, comprising: a body: the LD pin is connected to the body, and the body is connected to the main board through the LD pin; the PD pin is positioned on the same side of the LD pin and is connected with the body, and the body is connected with the main board through the PD pin, wherein the sections of the LD pin and the PD pin are coplanar and different in axes; and the optical fiber connector is connected to the body, and the body is connected with the optical fiber through the optical fiber connector.
In this patent, pins are inserted into the PCBA board, i.e., the pins are perpendicular to the surface of the PCBA board, so that holes are required to be drilled in the PCBA board, which increases the cost and repair difficulty, and antenna effect holes cause high frequency performance degradation, and the hole-drilling welding method causes pins to penetrate the PCBA board and protrude by at least 0.3mm, plus the thickness of the PCBA board is 1mm, which amounts to at least 1.3mm, i.e., the length of the pins is relatively long.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a device with the same emitting and receiving side light so as to overcome the defects in the prior art.
The technical scheme for solving the technical problems is as follows: a transmitting-receiving co-side light device comprising: the device comprises a PCBA board, a transmitting TO-CAN, a receiving TO-CAN and a core-insert adapter, wherein the transmitting TO-CAN, the receiving TO-CAN and the core-insert adapter are arranged on the same side of the PCBA board, and pins of the receiving TO-CAN and the transmitting TO-CAN are welded with a bonding pad on the surface of the PCBA board along a direction parallel TO the surface of the PCBA board; the pins of the transmitting TO-CAN are parallel TO the center of the core-insert adapter, an optical filter which is obliquely distributed is arranged between the optical port of the core-insert adapter and the optical port of the transmitting TO-CAN, a reflecting mirror which is parallel TO and opposite TO the optical filter is arranged on the reflecting side of the optical filter, and the reflecting point of the reflecting mirror is opposite TO the optical port of the receiving TO-CAN.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the pin length of the receiving TO-CAN and the transmitting TO-CAN is less than 0.5mm.
Further, the method further comprises the following steps: the shell is respectively fixed with the receiving TO-CAN, the transmitting TO-CAN, the reflecting mirror and the optical filter; the ferrule adapter is disposed outside of the housing and secured to the housing.
Further, the ferrule adapter is a ceramic ferrule adapter.
The beneficial effects of the utility model are as follows:
because the pins of the receiving TO-CAN and the transmitting TO-CAN are welded with the bonding pads on the surface of the PCBA along the direction parallel TO the surface of the PCBA, holes CAN be omitted from being dug on the PCBA, the length of the pins CAN be shortened TO the limit compared with the prior art, bending is not required, the electric crosstalk in a high-frequency state is small, the transmission performance is good, the production cost is low, and in addition, the disassembly is more convenient (similar TO a surface-mounted element); the present utility model also saves more space in the height direction, with the center of the optical axis (the center of the ferrule adapter) closer to the PCBA board surface.
Drawings
Fig. 1 is a diagram of a structure of a transmitting-receiving side light device according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. PCBA board 2, transmission TO-CAN,3, reception TO-CAN,4, lock pin adapter, 5, light filter, 6, speculum, 7, casing.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Example 1
As shown in fig. 1, a transmitting-receiving simultaneous-side light device includes: the device comprises a PCBA board 1, a transmitting TO-CAN2, a receiving TO-CAN3 and a ferrule adapter 4, wherein the transmitting TO-CAN2, the receiving TO-CAN3 and the ferrule adapter 4 are arranged on the same side of the PCBA board 1; receiving the pins of the TO-CAN3 TO be welded with the bonding pads on the surface of the PCBA board 1 along the direction parallel TO the surface of the PCBA board 1, and transmitting the pins of the TO-CAN2 TO be welded with the bonding pads on the surface of the PCBA board 1 along the direction parallel TO the surface of the PCBA board 1;
the pin of the transmitting TO-CAN2 is parallel TO the center of the inserting core adapter 4, an optical filter 5 which is obliquely distributed is arranged between the optical port of the inserting core adapter 4 and the optical port of the transmitting TO-CAN2, a reflecting mirror 6 which is parallel TO and opposite TO the optical filter 5 is arranged on the reflecting side of the optical filter 5, and the reflecting point of the reflecting mirror 6 is opposite TO the optical port of the receiving TO-CAN 3;
the light beam transmitted by the TO-CAN2 is transmitted through the optical filter 5 and then enters the ferrule adapter 4;
the light beam emitted from the core-inserting adapter 4 is reflected TO the reflector 6 through the optical filter 5, and then enters the receiving TO-CAN3 after the light path direction is changed by the reflector 6;
in the utility model, the pins of the receiving TO-CAN3 and the transmitting TO-CAN2 are welded with the bonding pads on the surface of the PCBA board 1 along the direction parallel TO the surface of the PCBA board 1, so that holes CAN be omitted from digging on the PCBA board 1, the length of the pins CAN be shortened TO the limit compared with the prior art, bending is not required, the electric crosstalk in a high-frequency state is small, the transmission performance is good, the production cost is low, and in addition, the disassembly is more convenient (similar TO a surface-mounted element);
the present utility model is also more space efficient in the height direction, with the center of the optical axis (the center of the ferrule adapter 4) closer to the upper surface of the PCBA board 1.
Example 2
As shown in fig. 1, this embodiment is a further improvement of embodiment 1, specifically as follows:
the pin length of the receiving TO-CAN3 and the transmitting TO-CAN2 is smaller than 0.5mm.
Example 3
As shown in fig. 1, this embodiment is a further improvement of the embodiment 1 or 2, and is specifically as follows:
the simultaneous transmitting and receiving light device further comprises: a housing 7, the receiving TO-CAN3, the transmitting TO-CAN2, the reflecting mirror 6, and the optical filter 5 are respectively fixed inside the housing 7, while the ferrule adapter 4 is arranged outside the housing 7, and the ferrule adapter 4 is fixed with the housing 7.
Further: the ferrule adapter 4 is a ceramic ferrule adapter.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (4)
1. A transmitting-receiving simultaneous-side light device, comprising: the device comprises a PCBA board (1), and a transmitting TO-CAN (2), a receiving TO-CAN (3) and a ferrule adapter (4) which are arranged on the same side of the PCBA board (1), wherein pins of the receiving TO-CAN (3) and the transmitting TO-CAN (2) are welded with bonding pads on the surface of the PCBA board (1) along a direction parallel TO the surface of the PCBA board (1); the pin of the transmitting TO-CAN (2) is parallel TO the center of the ferrule adapter (4), an optical filter (5) which is obliquely distributed is arranged between the optical port of the ferrule adapter (4) and the optical port of the transmitting TO-CAN (2), a reflecting mirror (6) which is parallel TO and opposite TO the optical filter (5) is arranged on the reflecting side of the optical filter, and the reflecting point of the reflecting mirror (6) is opposite TO the optical port of the receiving TO-CAN (3).
2. The transmitting-receiving co-side light device according TO claim 1, wherein the pin length of the receiving TO-CAN (3) and the transmitting TO-CAN (2) is less than 0.5mm.
3. The transmitting-receiving co-side light device of claim 1, further comprising: the shell (7) is respectively fixed with the receiving TO-CAN (3), the transmitting TO-CAN (2), the reflecting mirror (6) and the optical filter (5) in the shell (7); the ferrule adapter (4) is arranged outside the shell (7) and is fixed with the shell (7).
4. A transmitting and receiving co-side light device according to claim 1, characterized in that the ferrule adapter (4) is a ceramic ferrule adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322619160.1U CN220752353U (en) | 2023-09-25 | 2023-09-25 | Device with same side light in transmitting and receiving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322619160.1U CN220752353U (en) | 2023-09-25 | 2023-09-25 | Device with same side light in transmitting and receiving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220752353U true CN220752353U (en) | 2024-04-09 |
Family
ID=90563490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322619160.1U Active CN220752353U (en) | 2023-09-25 | 2023-09-25 | Device with same side light in transmitting and receiving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220752353U (en) |
-
2023
- 2023-09-25 CN CN202322619160.1U patent/CN220752353U/en active Active
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