CN215682290U - Photoelectric signal conversion and transmission device - Google Patents
Photoelectric signal conversion and transmission device Download PDFInfo
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- CN215682290U CN215682290U CN202121251232.6U CN202121251232U CN215682290U CN 215682290 U CN215682290 U CN 215682290U CN 202121251232 U CN202121251232 U CN 202121251232U CN 215682290 U CN215682290 U CN 215682290U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 title abstract description 13
- 239000013307 optical fiber Substances 0.000 claims abstract description 86
- 210000001503 joint Anatomy 0.000 claims abstract description 64
- 230000008054 signal transmission Effects 0.000 claims abstract description 14
- 230000005693 optoelectronics Effects 0.000 claims description 35
- 230000013011 mating Effects 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 24
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- 238000004891 communication Methods 0.000 description 5
- 238000007639 printing Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000001131 transforming effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a photoelectric signal conversion and transmission device, which comprises a photoelectric signal module and an optical fiber joint which are mutually butted and combined; the photoelectric signal processor board of the photoelectric signal module is provided with one or more adapter boards, the first butt joint surface of the adapter board is respectively provided with a plurality of light-emitting elements, a plurality of light-receiving elements and a signal amplifier, so that the photoelectric signal processor board, the plurality of light-emitting/light-receiving elements and the signal amplifier are electrically connected by a plurality of first wire bonding joints and second wire bonding joints to form conduction; the tail ends of a plurality of optical fibers arranged on the optical fiber joint are mutually and axially aligned with the plurality of light-emitting/light-receiving elements; through the plurality of light emitting/receiving elements and the signal amplifier which are arranged on the first butt joint surface of the adapter plate and adjacent to the photoelectric signal processor plate, the physical structure distance between the signal amplifier and the plurality of light emitting/receiving elements and between the signal amplifier and the photoelectric signal processor plate is effectively reduced, and the effects of reducing signal attenuation, improving signal transmission and achieving the overall structure miniaturization effect are achieved.
Description
Technical Field
The utility model relates to a photoelectric signal conversion and transmission device, in particular to a photoelectric signal conversion and transmission device, wherein a plurality of light-emitting elements, a plurality of light-receiving elements and at least one signal amplifier are arranged on the same plane of a transfer board (such as a first butt joint surface of the transfer board), the transfer board is arranged on a photoelectric signal processor board, and the first butt joint surface of the transfer board is longitudinally positioned on the photoelectric signal processor board, so that the plurality of light-emitting elements, the plurality of light-receiving elements and the at least one signal amplifier can be closer to the photoelectric signal processor board, thereby effectively reducing the physical structure (wire bonding) distance between the signal amplifier and the plurality of light-emitting elements, the plurality of light-receiving elements and the photoelectric signal processor board, reducing the physical signal attenuation, further improving the whole signal transmission benefit and achieving the purpose of the whole structure miniaturization benefit.
Background
The optical fiber communication has been developed for a long time, which is a way to transmit information by using light and optical fiber; therefore, optical fiber communication is a kind of wired communication, and the optical fiber communication system has revolutionized the telecommunication industry, and plays a very important role in the digital era, mainly because: the optical fiber communication has the advantages of large transmission capacity, confidentiality and the like.
Checking, taiwan publication No. I521248 utility model patent, U.S. utility model patent No. 9,680,573 and U.S. utility model patent No. 9,989,719 disclose an optical transceiver (the former patent of the applicant) wherein the connecting seat is connected with the circuit main board, the circuit sub-board utilizes routing joining mode to connect the circuit main board, the adapter plate is located between optical fiber splice and the circuit sub-board, photoelectric element is coupled respectively in adapter plate towards optical fiber splice's one side, amplifier electric connection circuit sub-board is connected with photoelectric element with routing joining mode.
However, the above-mentioned existing (i.e. applicant's prior patent) optical transceivers suffer from a number of disadvantages, which are described below:
1. the amplifier of the existing optical transceiver is mainly electrically connected to a circuit main board, and the photoelectric element is mainly electrically connected to a patch panel, so that the amplifier and the photoelectric element are respectively located on different objects and present a separated state; in this state, the length of the wire bonding between the amplifier and the optoelectronic device is increased; however, the longer the wire bond length is, the more physical signal attenuation is increased, and the signal quality of the whole optical transceiver is reduced.
2. The amplifier of the existing optical transceiver is mainly electrically connected to the circuit daughter board, and the circuit daughter board is connected to the circuit main board by wire bonding, so that the wire bonding or conduction path between the amplifier and the circuit main board must be increased, and the physical signal attenuation will be relatively increased, thereby reducing the signal quality of the whole optical transceiver.
3. The amplifier of the conventional optical transceiver is mainly designed and installed on the circuit board, so that the area of the circuit board must be relatively increased for installing a plurality of amplifiers, which inevitably results in an excessively large overall size of the optical transceiver.
Therefore, it is a main subject to be solved by the present invention to provide a method for effectively reducing the distance between the signal amplifier and the wire bonding or conductive paths between the plurality of light emitting devices and the circuit board, so as to achieve the purpose of reducing the attenuation of physical signals and improving the overall signal transmission efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems and defects of the prior art, the utility model discloses a photoelectric signal conversion and transmission device, which comprises a photoelectric signal module and an optical fiber joint, wherein the photoelectric signal module and the optical fiber joint are mutually butted and combined; the photoelectric signal module comprises a photoelectric signal processor board, an adapter board, a plurality of light-emitting elements, a plurality of light-receiving elements and at least one signal amplifier, wherein one end of the photoelectric signal processor board is provided with a first end, the other end of the photoelectric signal processor board is provided with a second end, and the first end is used for being electrically connected with an external preset multimedia device; the adapter plate is combined with the photoelectric signal processor plate and is adjacent to the second end, and the side edge of the adapter plate facing the second end is provided with a first butt joint surface; the plurality of light emitting elements and the plurality of light receiving elements are arranged on the first butt joint surface of the adapter plate; the signal amplifier is arranged on the first butt joint surface of the adapter plate and is adjacent to the photoelectric signal processor plate, so that the plurality of light-emitting elements and the plurality of light-receiving elements are positioned on the same plane as the signal amplifier, the signal amplifier is electrically connected with a plurality of first wire bonding joints and a plurality of second wire bonding joints, the plurality of first wire bonding joints are used for being electrically connected with the plurality of light-emitting elements and the plurality of light-receiving elements, and the plurality of second wire bonding joints are used for being electrically connected with the photoelectric signal processor plate; the optical fiber connector is in butt joint with the photoelectric signal module, a second butt joint surface is arranged on the side edge of the optical fiber connector facing the first butt joint surface, the optical fiber connector is provided with a plurality of optical fibers, and the tail ends of one ends of the optical fibers are respectively exposed out of the second butt joint surface, so that the tail ends of the optical fibers exposed out of the second butt joint surface are axially aligned with the light emitting elements and the light receiving elements.
Furthermore, the signal amplifier is electrically connected with a plurality of second wire bonds which are used for electrically connecting with a plurality of signal transmission ports preset by the photoelectric signal processor board.
Furthermore, the signal amplifier is disposed on the first butt joint surface and is located between the optoelectronic signal processor board and the light emitting elements and the light receiving elements in a longitudinal manner, the first butt joint surface of the adapter board is respectively provided with a first positioning portion on two sides of the light emitting elements and the light receiving elements, the second butt joint surface of the optical fiber connector is respectively provided with a second positioning portion on two sides of the optical fibers, and the first positioning portion and the second positioning portion are correspondingly positioned and inserted, so that the ends of the light emitting elements and the light receiving elements located on the first butt joint surface and the ends of the optical fibers located on the second butt joint surface are axially aligned with each other.
The optical fiber connector further comprises a positioning seat, the positioning seat is arranged on the photoelectric signal processor board and is adjacent to the second end, a third butt joint surface is arranged on the side edge of the positioning seat facing the second end, an opening is formed in the third butt joint surface, the adapter plate is arranged on the photoelectric signal processor board and is combined and arranged in the opening, so that the adapter plate is fixedly combined with the positioning seat, first positioning parts are respectively arranged on the third butt joint surface of the positioning seat and opposite to the two sides of the opening, second positioning parts are respectively arranged on the second butt joint surface of the optical fiber connector and opposite to the two sides of the optical fibers, and the first positioning parts and the second positioning parts are correspondingly positioned and spliced, so that the tail ends of the light emitting elements and the light receiving elements which are positioned on the first butt joint surface are axially aligned with the tail ends of the optical fibers which are positioned on the second butt joint surface.
Furthermore, the adapter plate and the optoelectronic signal processor board are integrally formed, the adapter plate is provided with at least one electrical connection portion on the first mating surface, the electrical connection portion is provided with a plurality of transmission paths in an extending manner, the transmission paths are hidden inside the adapter plate and electrically connected with the optoelectronic signal processor board, and the signal amplifier is electrically connected to the electrical connection portion so as to electrically connect the signal amplifier and the optoelectronic signal processor board.
Furthermore, the first butt-joint surface of the adapter plate is respectively provided with a first positioning portion relative to two sides of the light-emitting elements and the light-receiving elements, the second butt-joint surface of the optical fiber connector is respectively provided with a second positioning portion relative to two sides of the optical fibers, and the first positioning portion and the second positioning portion are correspondingly positioned and spliced to enable the tail ends of the light-emitting elements and the light-receiving elements which are positioned on the first butt-joint surface and the tail ends of the optical fibers which are positioned on the second butt-joint surface to be axially aligned with each other.
Further, the signal amplifier may be a driver chip, and the driver chip may be one of a laser diode driver chip, a light emitting diode driver chip, or a transimpedance amplifier.
The present invention also provides a photoelectric signal conversion and transmission device, comprising: a photoelectric signal module, an optical fiber connector and a positioning seat;
an optoelectronic signal module, comprising: a photoelectric signal processor board, an adapter board, a plurality of light emitting devices and light receiving devices, at least one signal amplifier.
A photoelectric signal processor board, one end of which has a first end and the other end has a second end, the first end is used for electrically connecting with an external preset multimedia device;
a transfer board, the side of which facing the second end is provided with a first butt joint surface and the top of which is provided with a top surface;
a plurality of light emitting elements and light receiving elements arranged on the first butt-joint surface of the adapter plate;
the signal amplifier is arranged on the top surface of the adapter plate and adjacent to the photoelectric signal processor plate, so that the signal amplifier is adjacently positioned between the photoelectric signal processor plate and the light-emitting elements and the light-receiving elements, the signal amplifier is electrically connected with a plurality of first wire bonding joints and a plurality of second wire bonding joints, the first wire bonding joints are used for electrically connecting the light-emitting elements and the light-receiving elements, and the second wire bonding joints are used for electrically connecting the photoelectric signal processor plate;
the optical fiber connector is provided with a plurality of optical fibers, the tail ends of one ends of the optical fibers are respectively exposed out of the second butt joint surface, so that the tail ends of the optical fibers exposed out of the second butt joint surface are mutually and axially aligned with the light-emitting elements and the light-receiving elements;
a positioning seat, which is arranged on the photoelectric signal processor board and adjacent to the second end, wherein a third butt joint surface is arranged on the side edge of the positioning seat facing the second end, a concave part is arranged on the third butt joint surface of the positioning seat, the third butt joint surface and the concave part of the positioning seat respectively extend out of the front end part of the second end of the photoelectric signal processor board, and the adapter plate is arranged in the concave part.
Furthermore, the signal amplifier is electrically connected with a plurality of first wire bonds, the first wire bonds are electrically connected with the light-emitting elements and the light-receiving elements in a 90-degree angle mode, the signal amplifier is electrically connected with a plurality of second wire bonds, and the second wire bonds are used for being electrically connected with a plurality of signal transmission ports preset on the photoelectric signal processor board.
Furthermore, the third butt-joint surface of the positioning seat is respectively provided with a first positioning portion on two sides relative to the concave portion, the second butt-joint surface of the optical fiber connector is respectively provided with a second positioning portion on two sides relative to the optical fibers, and the first positioning portion and the second positioning portion are correspondingly positioned and inserted, so that the light emitting elements and the light receiving elements on the first butt-joint surface are axially aligned with the tail ends of the optical fibers on the second butt-joint surface.
Further, the signal amplifier may be a driver chip, and the driver chip may be one of a laser diode driver chip, a light emitting diode driver chip, or a transimpedance amplifier.
The utility model is technically characterized in that a plurality of light-emitting elements, a plurality of light-receiving elements and at least one signal amplifier are arranged on the same plane of an adapter plate (such as a first butt joint surface of the adapter plate) in the same way, the adapter plate is arranged on a photoelectric signal processor plate, and the first butt joint surface of the adapter plate is positioned on the photoelectric signal processor plate in a longitudinal way, so that the light-emitting elements, the light-receiving elements and the signal amplifier can be closer to the photoelectric signal processor plate, and the wire bonding distance among the signal amplifier, the light-emitting elements and the photoelectric signal processor plate can be effectively reduced, thereby achieving the purposes of reducing the attenuation of physical signals, improving the whole signal transmission benefit and achieving the whole structure miniaturization benefit.
Drawings
FIG. 1 is a schematic view of a first embodiment of an optical-to-electrical signal conversion transmission apparatus according to the present invention;
FIG. 2 is a schematic view of a second embodiment of the optoelectronic signal transforming and transmitting device according to the present invention;
FIG. 3 is a schematic view of a third embodiment of the optoelectronic signal transforming and transmitting device according to the present invention;
FIG. 4 is a schematic view of a fourth embodiment of the optoelectronic signal transforming and transmitting device of the present invention;
FIG. 5 is a side cross-sectional view of a fourth embodiment of the optical-electrical signal conversion transmission device according to the present invention.
Description of the reference numerals
1. Photoelectric signal module
11. Photoelectric signal processor board
111. First end
112. Second end
12. Adapter plate
121. A first butt joint face
122. The top surface
13. Light emitting element and light receiving element
14. Signal amplifier
2. Optical fiber connector
21. Second butt joint surface
22. Optical fiber
3. First wire bonding
4. Second wire bonding
5. Positioning seat
50. Opening of the container
51. Third abutting surface
52. Concave part
6. A first positioning part
7. Second positioning part
8. Electrical connection part
81. A transmission path.
Detailed Description
For the purpose of facilitating a concise understanding of other features and advantages of the utility model, and the efficacy achieved thereby, further description of the features and advantages of the utility model will be made with reference to the accompanying drawings, in which the following examples further illustrate the scope of the utility model, but are not intended to limit the scope of the utility model in any way.
Referring to fig. 1, the present invention discloses a first embodiment of an optical-electrical signal conversion transmission device, which includes an optical-electrical signal module 1 and an optical fiber connector 2.
The optoelectronic signal module 1 comprises an optoelectronic signal processor board 11, a transfer board 12, a plurality of light emitting devices and light receiving devices 13 and at least one signal amplifier 14; the optical signal processor board 11 is used for converting optical/electrical signals, one end of the optical signal processor board 11 has a first end 111 and the other end has a second end 112, the first end 111 is provided with a plurality of signal connection ports by metal printing, the second end 112 is provided with a plurality of signal transmission ports by metal printing, and the optical signal processor board 11 is provided with a plurality of signal connection ports by the first end 111 for electrically connecting with a signal slot of an external preset multimedia device.
The interposer 12 is combined with the optoelectronic signal processor board 11 and adjacent to the second end 112, a first mating surface 121 is disposed on a side of the interposer 12 facing the second end 112, and a top surface 122 is disposed on a top of the first mating surface 121, the first mating surface 121 is longitudinally disposed on the optoelectronic signal processor board 11, and a plurality of conductive contacts disposed at intervals are pre-disposed on the first mating surface 121 by using a metal printing method. The material of the adapter plate 12 may be one of plastic, ceramic or silicon.
The light emitting elements and the light receiving elements 13 are disposed on the first mating surface 121 of the interposer 12, that is, each light emitting element and the light receiving element 13 can be electrically connected to one of the conductive contacts disposed on the first mating surface 121; the light emitting device and the light receiving device 13 can be Laser Diodes (LD); the Light Emitting element and the Light receiving element 13 may be a Light-Emitting Diode (LED); the light emitting device and the light receiving device 13 can be a Photo Diode (PD).
The signal amplifier 14 is disposed on the first mating surface 121 of the interposer 12 and is adjacent to the optoelectronic signal processor board 11 and the plurality of light emitting devices and light receiving devices 13, such as: the signal amplifier 14 is disposed on the first butt-joint surface 121, and is formed to be longitudinally and relatively located between the photoelectric signal processor board 11 and the plurality of light-emitting devices and light-receiving devices 13, so that the plurality of light-emitting devices and light-receiving devices 13 and the signal amplifier 14 are located on the same plane of the adapter board 12, and the signal amplifier 14 is electrically connected with the photoelectric signal processor board 11 and the plurality of light-emitting devices and light-receiving devices 13, respectively; for example: the signal amplifier 14 is electrically connected to a plurality of first wire bonds 3 and a plurality of second wire bonds 4, the plurality of first wire bonds 3 are electrically connected to the plurality of light emitting devices and the plurality of light receiving devices 13, and the plurality of second wire bonds 4 are electrically connected to a plurality of signal transmission ports preset on the optoelectronic signal processor board 11, so that the optoelectronic signal processor board 11, the signal amplifier 14, the plurality of light emitting devices and the plurality of light receiving devices 13 can be electrically connected. The first wire bonding 3 is electrically connected to the conductive contact of the adapter plate 12, so that the first wire bonding 3 is electrically connected with the light emitting element and the light receiving element 13; the signal amplifier 14 may be a driver chip, such as: a Laser Diode (LD) driver chip, a Light Emitting Diode (LED) driver chip, or a transimpedance amplifier (TIA).
The optical fiber connector 2 and the optoelectronic signal module 1 are butt-jointed and combined with each other, a second butt-joint surface 21 is arranged on the side edge of the optical fiber connector 2 facing the first butt-joint surface 121 of the adapter plate 12, the optical fiber connector 2 is provided with a plurality of optical fibers 22, the tail end (i.e. the light emitting/light entering surface) of one end of each optical fiber 22 is respectively exposed out of the second butt-joint surface 21, and the tail ends of the plurality of optical fibers 22 exposed out of the second butt-joint surface 21 are mutually and axially aligned with the plurality of light emitting elements and the light receiving elements 13.
For example: the first mating surface 121 of the interposer 12 is provided with a first positioning portion 6 (e.g., in the form of a plug hole) on two sides of the light emitting device and the light receiving device 13; the second butt joint surface 21 of the optical fiber connector 2 is respectively provided with a second positioning portion 7 (for example, in a column form) on two sides of the optical fibers 22, so that when the optical fiber connector 2 and the optoelectronic signal module 1 are butt-jointed, the light emitting elements and the light receiving elements 13 on the first butt joint surface 121 can be axially aligned with the ends of the optical fibers 22 on the second butt joint surface 21 by positioning and plugging the first positioning portion 6 and the second positioning portion 7.
When the optical signal processor board 11 is electrically connected to the signal slot of the external preset multimedia device through the plurality of signal connection ports disposed at the first end 111, the electrical signal output by the multimedia device can be converted into an optical signal through the optical signal processor board 11 and the signal amplifier 14, the optical signal is emitted through the plurality of light emitting elements and the plurality of light receiving elements 13 and transmitted to the optical fiber connector 2, and then the optical signal is transmitted through the plurality of optical fibers 22 of the optical fiber connector 2. The light emitting elements and the light receiving elements 13 can also receive the light signals transmitted by the optical fibers 22 of the optical fiber connector 2, and the multimedia signals can be output to the multimedia screen through the signal amplifier 14 and the photoelectric signal processor board 11.
Therefore, the present invention is technically characterized in that a plurality of light emitting devices and light receiving devices 13 and at least one signal amplifier 14 are identically disposed on the same plane of the adapting board 12 (e.g. the first butt-joint surface 121 of the adapting board 12), the adapting board 12 is further disposed on the optoelectronic signal processor board 11, and the first mating surface 121 of the interposer 12 is located on the optoelectronic signal processor board 11 in a longitudinal manner, the light emitting elements and the light receiving elements 13 and the at least one signal amplifier 14 can be closer to the photoelectric signal processor board 11, and the signal amplifier 14 is further arranged between the photoelectric signal processor board 11 and the light emitting elements and the light receiving elements 13, so that the wire bonding distance between the signal amplifier 14 and the light emitting elements and the light receiving elements 13 and between the signal amplifier 14 and the photoelectric signal processor board 1 can be effectively reduced, the attenuation of physical signals can be reduced, and the overall signal transmission benefit can be improved. Meanwhile, by disposing the signal amplifier 14 on the adapter plate 12, the space occupied by the conventional signal amplifier 14 on the photoelectric signal processor board 11 can be omitted, so as to effectively reduce the area of the photoelectric signal processor board 11 and further achieve the purpose of reducing the volume of the whole photoelectric signal transmission device.
Referring to fig. 2, the present invention discloses a second embodiment of an optical-electrical signal conversion and transmission device, which includes an optical-electrical signal module 1, an optical fiber connector 2 and a positioning base 5. The optoelectronic signal module 1 and the optical fiber connector 2 are substantially the same as those disclosed in the first embodiment; the positioning seat 5 is disposed on the photoelectric signal processor board 11 and adjacent to the second end 112, a third abutting surface 51 is disposed on a side of the positioning seat 5 facing the second end 112, an opening 50 is disposed on the third abutting surface 51, and the adapter board 12 is disposed on the photoelectric signal processor board 11 and combined in the opening 50, so that the adapter board 12 and the positioning seat 5 are fixedly combined; in addition, the third abutting surface 51 of the positioning seat 5 is respectively provided with a first positioning portion 6 (for example, in the form of a plug hole) on two sides of the opening 50, so that when the optical fiber connector 2 and the optoelectronic signal module 1 are abutted and combined with each other, the light emitting elements and the light receiving elements 13 on the first abutting surface 121 can be aligned with the ends of the optical fibers 22 on the second abutting surface 21 in the axial direction by the positioning and plugging of the first positioning portion 6 and the second positioning portion 7.
Referring to fig. 3, the present invention discloses a third embodiment of an optical-electrical signal conversion and transmission device, which includes an optical-electrical signal module 1, an optical fiber connector 2 and a positioning base 5. The optoelectronic signal module 1 and the optical fiber connector 2 are substantially the same as those disclosed in the first embodiment; wherein, the positioning seat 5 is disposed on the photoelectric signal processor board 11 and adjacent to the second end 112, a third abutting surface 51 is disposed on a side of the positioning seat 5 facing the second end 112, and the positioning seat 5 is provided with a concave portion 52 on the third abutting surface 51, and the third abutting surface 51 and the concave portion 52 of the positioning seat 5 respectively extend out of the front end of the second end 112 of the photoelectric signal processor board 11; the adapter plate 12 is disposed in the concave portion 52 of the positioning seat 5, the plurality of light emitting devices and light receiving devices 13 are disposed on the first mating surface 121 of the adapter plate 12, and the signal amplifier 14 is disposed on the top surface 122 of the adapter plate 12, so that the signal amplifier 14 is also adjacent to the photoelectric signal processor plate 11 and between the plurality of light emitting devices and light receiving devices 13, the plurality of first wire bonds 3 can be electrically connected to the plurality of light emitting devices and light receiving devices 13 at an angle of 90 degrees, and the plurality of second wire bonds 4 are electrically connected to the plurality of signal transmission ports preset on the photoelectric signal processor plate 11, so that the photoelectric signal processor plate 11, the signal amplifier 14, the plurality of light emitting devices and light receiving devices 13 are electrically connected in the same manner. In addition, the third abutting surface 51 of the positioning seat 5 is respectively provided with a first positioning portion 6 (for example, in the form of a plug hole) on two sides of the concave portion 52, so that when the optical fiber connector 2 and the optoelectronic signal module 1 are abutted and combined with each other, the light emitting elements and the light receiving elements 13 on the first abutting surface 121 and the optical fibers 22 on the second abutting surface 21 can be aligned with each other in the axial direction by the positioning and plugging of the first positioning portion 6 and the second positioning portion 7.
Referring to fig. 4 and 5, the present invention discloses a fourth embodiment of an optical-electrical signal conversion transmission device, which includes an optical-electrical signal module 1 and an optical fiber connector 2; the optoelectronic signal module 1 and the optical fiber connector 2 are substantially the same as those disclosed in the first embodiment; the adaptor board 12 and the optoelectronic signal processor board 11 can be formed in an integrated manner, for example: the photoelectric signal processor board 11 and the adapter board 12 can be formed integrally by 3D printing; furthermore, the interposer 12 is provided with at least one electrical connection portion 8 on the first mating surface 121 in a printing manner, the electrical connection portion 8 extends to form a plurality of transmission paths 81, the transmission paths 81 are hidden inside the interposer 12 and electrically connected to the optoelectronic signal processor board 11, a signal amplifier 14 is provided for electrically connecting to the electrical connection portion 8, so as to electrically connect to the optoelectronic signal processor board 11, and the signal amplifier 14 is electrically connected to the plurality of light emitting and light emitting elements and light receiving elements 13 by the first wire bonding 3, or at the same time, the plurality of light emitting elements and light receiving elements 13 are electrically connected to the electrical connection portion 8 by the first wire bonding 3 and electrically connected to the signal amplifier 14.
In summary, the technical features of the present invention are that the plurality of light emitting devices and light receiving devices 13 and the at least one signal amplifier 14 are disposed on the adapting board 12, the adapting board 12 is disposed on the optoelectronic signal processor board 11, so that the plurality of light emitting devices and light receiving devices 13 and the at least one signal amplifier 14 can be closer to the optoelectronic signal processor board 11, and the signal amplifier 14 is disposed between the optoelectronic signal processor board 11 and the plurality of light emitting devices and light receiving devices 13, so as to effectively reduce the wire bonding distances between the signal amplifier 14 and the plurality of light emitting devices and between the plurality of light receiving devices 13 and the optoelectronic signal processor board 11, thereby achieving the purposes of reducing the attenuation of physical signals and improving the overall signal transmission efficiency.
Claims (11)
1. An apparatus for converting and transmitting an optical signal, comprising: a photoelectric signal module and an optical fiber connector;
an optoelectronic signal module, comprising: a photoelectric signal processor board, an adapter board, a plurality of light emitting devices and light receiving devices, at least one signal amplifier;
a photoelectric signal processor board, one end of which is provided with a first end and the other end is provided with a second end, the first end is electrically connected with an external preset multimedia device;
a transfer board combined with the photoelectric signal processor board and adjacent to the second end, wherein the side edge of the transfer board facing the second end is provided with a first butt joint surface;
a plurality of light emitting elements and light receiving elements arranged on the first butt-joint surface of the adapter plate;
at least one signal amplifier, which is arranged on the first butt joint surface of the adapter plate and adjacent to the photoelectric signal processor board, so that the light-emitting elements and the light-receiving elements are positioned on the same plane as the signal amplifier, the signal amplifier is electrically connected with a plurality of first wire bonding, the first wire bonding is electrically connected with the light-emitting elements and the light-receiving elements, and the signal amplifier is also electrically connected with the photoelectric signal processor board;
and the optical fiber connector is provided with a plurality of optical fibers, and the tail ends of one ends of the optical fibers are respectively exposed out of the second butt joint surface, so that the tail ends of the optical fibers exposed out of the second butt joint surface are mutually and axially aligned with the light-emitting elements and the light-receiving elements.
2. The device as claimed in claim 1, wherein the signal amplifier is further electrically connected to a plurality of second wire bonds electrically connected to a plurality of signal transmission ports predetermined on the optical signal processor board.
3. The apparatus according to claim 1, wherein the signal amplifier is disposed on the first mating surface and is longitudinally and oppositely disposed between the optoelectronic signal processor board and the light emitting devices and the light receiving devices, the first mating surface of the adapter board is respectively provided with a first positioning portion on two sides of the light emitting devices and the light receiving devices, the second mating surface of the optical fiber connector is respectively provided with a second positioning portion on two sides of the optical fibers, and the first positioning portion and the second positioning portion are correspondingly positioned and inserted so that the light emitting devices and the light receiving devices on the first mating surface are axially aligned with the ends of the optical fibers on the second mating surface.
4. The device for converting and transmitting optical-electrical signals according to claim 1, comprising a positioning seat, the positioning seat is arranged on the photoelectric signal processor board and is adjacent to the second end, a third butt joint surface is arranged on the side edge of the positioning seat facing the second end, the third butt joint surface is provided with an opening, the adapter plate is arranged on the photoelectric signal processor plate and combined in the opening, so that the adapter plate is fixedly combined with the positioning seat, and the third butt-joint surface of the positioning seat is respectively provided with a first positioning part corresponding to the two sides of the opening, the second butt-joint surface of the optical fiber joint is respectively provided with a second positioning part corresponding to the two sides of the optical fibers, the first positioning part and the second positioning part are correspondingly positioned and spliced, so that the tail ends of the light emitting elements and the light receiving elements positioned on the first butt joint surface and the tail ends of the optical fibers positioned on the second butt joint surface are axially aligned with each other.
5. The device as claimed in claim 1, wherein the interposer and the optical signal processor board are integrally formed, the interposer has at least one electrical connection portion on the first mating surface, the electrical connection portion extends to form a plurality of transmission paths, the transmission paths are hidden inside the interposer and electrically connected to the optical signal processor board, and the signal amplifier is electrically connected to the electrical connection portion to electrically connect the signal amplifier and the optical signal processor board.
6. The apparatus according to claim 5, wherein the first mating surface of the interposer has a first positioning portion disposed on each of two sides of the light emitting device and the light receiving device, the second mating surface of the optical fiber connector has a second positioning portion disposed on each of two sides of the optical fibers, and the first positioning portion and the second positioning portion are correspondingly positioned and inserted so that the ends of the light emitting device and the light receiving device on the first mating surface are axially aligned with the ends of the optical fibers on the second mating surface.
7. The device as claimed in claim 1, wherein the signal amplifier is a driver chip, and the driver chip is one of a laser diode driver chip, a light emitting diode driver chip, or a transimpedance amplifier.
8. An apparatus for converting and transmitting an optical signal, comprising: a photoelectric signal module, an optical fiber connector and a positioning seat;
an optoelectronic signal module, comprising: a photoelectric signal processor board, an adapter board, a plurality of light emitting devices and light receiving devices, at least one signal amplifier;
a photoelectric signal processor board, one end of which is provided with a first end and the other end is provided with a second end, and the first end is electrically connected with an external preset multimedia device;
a transfer board, the side of which facing the second end is provided with a first butt joint surface and the top of which is provided with a top surface;
a plurality of light emitting elements and light receiving elements arranged on the first butt-joint surface of the adapter plate;
the signal amplifier is arranged on the top surface of the adapter plate and adjacent to the photoelectric signal processor plate, so that the signal amplifier is adjacently positioned between the photoelectric signal processor plate and the light-emitting elements and the light-receiving elements, the signal amplifier is electrically connected with a plurality of first wire bonding joints and a plurality of second wire bonding joints, the first wire bonding joints are electrically connected with the light-emitting elements and the light-receiving elements, and the second wire bonding joints are electrically connected with the photoelectric signal processor plate;
the optical fiber connector is provided with a plurality of optical fibers, the tail ends of one ends of the optical fibers are respectively exposed out of the second butt joint surface, so that the tail ends of the optical fibers exposed out of the second butt joint surface are mutually and axially aligned with the light-emitting elements and the light-receiving elements;
a positioning seat, which is arranged on the photoelectric signal processor board and adjacent to the second end, wherein a third butt joint surface is arranged on the side edge of the positioning seat facing the second end, a concave part is arranged on the third butt joint surface of the positioning seat, the third butt joint surface and the concave part of the positioning seat respectively extend out of the front end of the second end of the photoelectric signal processor board, and the adapter plate is arranged in the concave part.
9. The device as claimed in claim 8, wherein the signal amplifier is electrically connected to a plurality of first wire bonds electrically connected to the light emitting devices and the light receiving devices at an angle of 90 degrees, and the signal amplifier is electrically connected to a plurality of second wire bonds electrically connected to a plurality of signal transmission ports predetermined by the optical signal processor board.
10. The device according to claim 8, wherein the third mating surface of the positioning seat has a first positioning portion on each side of the concave portion, the second mating surface of the optical fiber connector has a second positioning portion on each side of the optical fibers, and the first positioning portion and the second positioning portion are correspondingly positioned and inserted so that the light emitting elements and the light receiving elements on the first mating surface are axially aligned with the ends of the optical fibers on the second mating surface.
11. The device as claimed in claim 8, wherein the signal amplifier is a driver chip, and the driver chip is one of a laser diode driver chip, a light emitting diode driver chip, or a transimpedance amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251232.6U CN215682290U (en) | 2021-06-04 | 2021-06-04 | Photoelectric signal conversion and transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251232.6U CN215682290U (en) | 2021-06-04 | 2021-06-04 | Photoelectric signal conversion and transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215682290U true CN215682290U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121251232.6U Withdrawn - After Issue CN215682290U (en) | 2021-06-04 | 2021-06-04 | Photoelectric signal conversion and transmission device |
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| Country | Link |
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| CN (1) | CN215682290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115441949A (en) * | 2021-06-04 | 2022-12-06 | 年益实业股份有限公司 | Photoelectric signal conversion transmission device |
-
2021
- 2021-06-04 CN CN202121251232.6U patent/CN215682290U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115441949A (en) * | 2021-06-04 | 2022-12-06 | 年益实业股份有限公司 | Photoelectric signal conversion transmission device |
| CN115441949B (en) * | 2021-06-04 | 2024-05-17 | 年益实业股份有限公司 | Photoelectric signal conversion transmission device |
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