CN219999387U - Multi-light source selecting device - Google Patents
Multi-light source selecting device Download PDFInfo
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- CN219999387U CN219999387U CN202320908980.XU CN202320908980U CN219999387U CN 219999387 U CN219999387 U CN 219999387U CN 202320908980 U CN202320908980 U CN 202320908980U CN 219999387 U CN219999387 U CN 219999387U
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- 239000000835 fiber Substances 0.000 claims description 7
- 239000013308 plastic optical fiber Substances 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The embodiment of the utility model discloses a multi-light source selecting device, which at least comprises an emitting module and a receiving module, wherein the emitting module at least comprises a driving unit and a plurality of light emitting units, the plurality of light emitting units are used for emitting light with different wavelengths, the driving unit is respectively connected with the plurality of light emitting units, and the driving unit is used for driving the plurality of light emitting units so that the different light emitting units emit light with different wavelengths; the receiving module at least comprises a receiving unit, and the receiving unit is used for receiving the light with different wavelengths emitted by the light emitting unit, so that the low-attenuation emission wavelength can be automatically selected, different optical fibers can be self-adapted, the device does not need to be replaced, and the device can be adapted to various wavelengths.
Description
Technical Field
The utility model relates to the technical field of optical communication, in particular to a multi-light source selection device.
Background
At present, optical fiber communication is a transmission system with fixed wavelength and a light source, and according to the type of a transmission optical fiber, the transmission wavelength is selected, and a transmitting device and a receiving device are determined; because different wavelengths correspond to different optical fibers, in the process of adopting optical fiber transmission, a transmitting device and a receiving device which are different from those corresponding to the optical fibers are required to be adopted, and if the optical fibers are replaced, the transmitting device and the receiving device corresponding to the optical fibers are replaced. How to quickly and without changing the device and transmit light with various different wavelengths is a problem which needs to be solved at present.
Disclosure of Invention
Aiming at the technical problems, the embodiment of the utility model provides a multi-light source selection device.
The embodiment of the utility model provides a multi-light source selecting device, which at least comprises an emitting module and a receiving module, wherein the emitting module at least comprises a driving unit and a plurality of light emitting units, the plurality of light emitting units are used for emitting light with different wavelengths, the driving unit is respectively connected with the plurality of light emitting units, and the driving unit is used for driving the plurality of light emitting units so that the different light emitting units emit light with different wavelengths;
the receiving module at least comprises a receiving unit, and the receiving unit is used for receiving the light with different wavelengths emitted by the light emitting unit.
Optionally, the driving unit is a constant current high speed driving chip.
Optionally, the first output end of the driving unit is connected with the first light emitting unit, the second output end of the driving unit is connected with the second light emitting unit, the third output end of the driving unit is connected with the third light emitting unit, and the fourth output end of the driving unit is connected with the fourth light emitting unit.
Optionally, the transmitting module and the receiving module are connected by a dual fiber.
Optionally, the double fiber is a plastic optical fiber.
Optionally, the core diameter of the plastic optical fiber is less than or equal to 1mm.
Optionally, the light emitting unit is an LED lamp.
Optionally, the wavelength of the LED lamp at least includes 470nm, 520nm, 650nm, and 850nm.
Optionally, the multiple light source selecting device further includes a lens unit, and an area occupied by the plurality of light emitting units is less than or equal to an area of the lens unit.
Optionally, the plurality of light emitting units are arranged in a straight line.
In the technical scheme provided by the embodiment of the utility model, the multi-light source selecting device at least comprises an emitting module and a receiving module, wherein the emitting module at least comprises a driving unit and a plurality of light emitting units, the plurality of light emitting units are used for emitting light with different wavelengths, the driving unit is respectively connected with the plurality of light emitting units, and the driving unit is used for driving the plurality of light emitting units so that the different light emitting units emit light with different wavelengths; the receiving module at least comprises a receiving unit, and the receiving unit is used for receiving the light with different wavelengths emitted by the light emitting unit, so that the low-attenuation emission wavelength can be automatically selected, different optical fibers can be self-adapted, the device does not need to be replaced, and the device can be adapted to various wavelengths.
Drawings
Fig. 1 is a schematic structural diagram of a multi-light source selecting device according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of another multiple light source selection device according to an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Referring to fig. 1, a schematic structural diagram of a multi-light source selecting device according to an embodiment of the present utility model is provided, the multi-light source selecting device at least includes an emitting module 101 and a receiving module 102, wherein the emitting module 101 at least includes a driving unit and a plurality of light emitting units, the plurality of light emitting units are used for emitting light with different wavelengths, the driving unit is respectively connected with the plurality of light emitting units, and the driving unit is used for driving the plurality of light emitting units so that the different light emitting units emit light with different wavelengths;
the receiving module 102 at least includes a receiving unit, and the receiving unit is configured to receive light with different wavelengths emitted by the light emitting unit.
Specifically, the two multiple light source selection devices are connected through double fibers.
Alternatively, the driving unit is a constant current high speed driving chip.
As shown in fig. 2, the first output end of the driving unit is connected to the first light emitting unit, the second output end of the driving unit is connected to the second light emitting unit, the third output end of the driving unit is connected to the third light emitting unit, and the fourth output end of the driving unit is connected to the fourth light emitting unit.
Optionally, the transmitting module and the receiving module are connected by a dual fiber.
Alternatively, the double fiber is a plastic optical fiber.
Optionally, the core diameter of the plastic optical fiber is less than or equal to 1mm.
Optionally, the light emitting unit is an LED lamp.
Optionally, the wavelengths of the LED lamp include at least 470nm, 520nm, 650nm, and 850nm.
Optionally, the multi-light source selecting device further includes a lens unit, and an area occupied by the plurality of light emitting units is equal to or smaller than an area of the lens unit.
Alternatively, the plurality of light emitting units are arranged in a straight line. The LEDs can be visited side by side as long as they are in the lens range.
The emitting chip and the receiving chip are custom chips, the emitting chip can drive a plurality of LEDs, and after the LEDs are transmitted through the optical fiber, the optimal LEDs are determined through feedback signals so as to emit light with proper wavelength.
At the transmitting end, the driving chip and the light source LEDs with more than 3 wavelengths are sealed together, the driving chip can sequentially drive the LEDs with different wavelengths, and meanwhile, the receiving end can return the intensity signal of the received signal, so that the transmitting wavelength used for determining the transmitting is transmitted.
The receiving end can receive light in the transmitting wavelength range, generate signals which are linear with the light power, compare and process the signals to obtain signals with more proper wavelength, and feed back the signals to the transmitting end.
1. 2, 3, 4 represent 4 different wavelength LEDs, such as 470nm, 520nm, 650nm, 850nm, more wavelengths can be selected, such as 5-10.
Information of the opposite transmitting means and the receiving means is obtained by means of the signal 5. The low attenuation emission wavelength can be automatically selected, and different optical fibers can be self-adapted.
In the technical scheme provided by the embodiment of the utility model, the multi-light source selecting device at least comprises an emitting module and a receiving module, wherein the emitting module at least comprises a driving unit and a plurality of light emitting units, the plurality of light emitting units are used for emitting light with different wavelengths, the driving unit is respectively connected with the plurality of light emitting units, and the driving unit is used for driving the plurality of light emitting units so that the different light emitting units emit light with different wavelengths; the receiving module at least comprises a receiving unit, wherein the receiving unit is used for receiving light with different wavelengths emitted by the light emitting unit, the low-attenuation emission wavelength can be automatically selected, different optical fibers can be self-adapted, a device does not need to be replaced, the receiving module can be adapted to various wavelengths, and the receiving module can be used for searching the highest-section optical fiber transmission.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A multiple light source selection device, characterized by: the multi-light source selecting device at least comprises an emitting module and a receiving module, wherein the emitting module at least comprises a driving unit and a plurality of light emitting units, the plurality of light emitting units are used for emitting light with different wavelengths, the driving unit is respectively connected with the plurality of light emitting units, and the driving unit is used for driving the plurality of light emitting units so that the different light emitting units emit light with different wavelengths;
the receiving module at least comprises a receiving unit, and the receiving unit is used for receiving the light with different wavelengths emitted by the light emitting unit.
2. The multiple light source selection device according to claim 1, wherein the driving unit is a constant current high speed driving chip.
3. A multiple light source selection device according to claim 2, wherein the first output of the driving unit is connected to the first light emitting unit, the second output of the driving unit is connected to the second light emitting unit, the third output of the driving unit is connected to the third light emitting unit, and the fourth output of the driving unit is connected to the fourth light emitting unit.
4. A multiple light source selection device according to claim 1, wherein the transmitting module and the receiving module are connected by a double fiber.
5. The multiple light source selection device of claim 4, wherein the dual fibers are plastic optical fibers.
6. A multiple light source selection device according to claim 5 wherein the core diameter of the plastic optical fiber is 1mm or less.
7. The multiple light source selection device according to claim 1, wherein the light emitting unit is an LED lamp.
8. The multiple light source selection device of claim 7, wherein the LED lamp wavelengths comprise at least 470nm, 520nm, 650nm, and 850nm.
9. A multiple light source selection device according to claim 1, further comprising a lens unit, wherein the area occupied by the plurality of light emitting units is equal to or less than the area of the lens unit.
10. The multiple light source selection device according to claim 9, wherein the plurality of light emitting units are arranged in a straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320908980.XU CN219999387U (en) | 2023-04-17 | 2023-04-17 | Multi-light source selecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320908980.XU CN219999387U (en) | 2023-04-17 | 2023-04-17 | Multi-light source selecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219999387U true CN219999387U (en) | 2023-11-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320908980.XU Active CN219999387U (en) | 2023-04-17 | 2023-04-17 | Multi-light source selecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219999387U (en) |
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2023
- 2023-04-17 CN CN202320908980.XU patent/CN219999387U/en active Active
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