CN212163337U - HDMI optical fiber transmission line - Google Patents
HDMI optical fiber transmission line Download PDFInfo
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- CN212163337U CN212163337U CN202020517523.4U CN202020517523U CN212163337U CN 212163337 U CN212163337 U CN 212163337U CN 202020517523 U CN202020517523 U CN 202020517523U CN 212163337 U CN212163337 U CN 212163337U
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- hdmi
- optical fiber
- transmission line
- conversion module
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Abstract
The utility model provides a HDMI optical fiber transmission line, which comprises an electro-optical conversion module for converting HDMI electrical signals into optical fiber signals, a photoelectric conversion module for decoding the HDMI electrical signals from the optical fiber signals, a first protective sleeve and a second protective sleeve which are connected with the two ends of the optical fiber transmission line; the electro-optical conversion module and the photoelectric conversion module are respectively arranged in the first metal copper shell and the second metal copper shell, the first HDMI-A gold-plated head and the second HDMI-A gold-plated head are respectively arranged at one end of the first metal copper shell and one end of the second metal copper shell, and the first protective sleeve and the second protective sleeve are respectively arranged at the other end of the first metal copper shell and the other end of the second metal copper shell. The utility model provides a pair of HDMI optical fiber transmission line has solved present HDMI transmission line and has restricted effective use on some occasions because of transmission distance is shorter to and lead to signal attenuation too big because of the overlength use of transmission line, influence the problem of the signal transmission function of HDMI transmission line then easily.
Description
Technical Field
The utility model relates to a HDMI transmission line technical field especially relates to a HDMI optical fiber transmission line.
Background
At present, with the rapid development of multimedia digital products, HDMI has become a main output port of audio and video of multimedia products as a transmission line for fully digital video and audio to transmit uncompressed high-definition video and multi-channel audio data.
However, in practice, it is found that, since the length of the HDMI transmission line is limited to a certain extent, and the transmission distance is short, not only the effective use of the HDMI transmission line is limited in some occasions, but also the signal attenuation is too large due to the overlong use of the transmission line in the signal transmission process, and thus the signal transmission function of the HDMI transmission line is easily affected.
Therefore, it is desirable to provide an HDMI optical fiber transmission line to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a HDMI optical fiber transmission line, has solved present HDMI transmission line and has restricted effective use on some occasions because of transmission distance is shorter to and use and lead to the signal attenuation too big because of the overlength of transmission line, influence the problem of the signal transmission function of HDMI transmission line then easily, can realize the harmless transmission of HDMI transmission line under long distance.
In order to solve the above technical problem, a technical solution adopted in the present invention is to provide an HDMI optical fiber transmission line, including an electro-optical conversion module 8 for converting an HDMI electrical signal into an optical fiber signal, a photoelectric conversion module 9 for decoding the optical fiber signal, a first metal copper shell 2, a second metal copper shell 6, a first HDMI-a gold-plated head 1 connected to the electro-optical conversion module 8, a second HDMI-a gold-plated head 7 connected to the photoelectric conversion module 9, an optical fiber transmission line 4, a first protective sleeve 3 and a second protective sleeve 5 connected to both ends of the optical fiber transmission line 4; the electro-optical conversion module 8 and the photoelectric conversion module 9 are respectively disposed inside the first metal copper shell 2 and the second metal copper shell 6, the first HDMI-a gold-plated head 1 and the second HDMI-a gold-plated head 7 are respectively disposed at one end of the first metal copper shell 2 and one end of the second metal copper shell 6, and the first protective sleeve 3 and the second protective sleeve 5 are respectively disposed at the other end of the first metal copper shell 2 and the other end of the second metal copper shell 6.
Preferably, the optical fiber transmission line 4 further includes a tubular outer insulating layer 11, a tubular cavity 15 disposed inside the tubular outer insulating layer 11, a tubular shielding aluminum foil layer 10 connected to an inner sidewall of the tubular outer insulating layer 11, an AWG copper conductor disposed inside the tubular cavity 15, a shielding wire and an optical fiber line, the tubular outer insulating layer 11 is disposed on an outer surface of the AWG copper conductor, and the tubular shielding aluminum foil layer 10 is disposed on an outer surface of the shielding wire.
Preferably, the optical fiber line comprises at least four optical fiber cores 14, the shielding line comprises at least two differential copper wires 16 and one ground wire 13, the AWG copper wire comprises at least two AWG copper wires 12 with gauge 26 and three AWG copper wires 17 with gauge 30, and the outer surface of the differential copper wire 16 is provided with the tubular outer insulating layer 11.
Preferably, the side ends and the lower cover of the first metal copper shell 2 and the second metal copper shell 6 are respectively provided with a mounting hole 20 for mounting the electro-optical conversion module 8 and the photoelectric conversion module 9 and a hexagonal screw hole 19 for fixedly mounting the electro-optical conversion module 8 and the photoelectric conversion module 9 in the first metal copper shell 2 and the second metal copper shell 6.
Preferably, a nylon braid 18 is disposed between the tubular shielding aluminum foil layer 10 and the tubular outer insulating layer 11.
Preferably, the first protective sheath 3, the second protective sheath 5 and the tubular outer insulating layer 11 are mainly made of polyvinyl chloride PVC.
The utility model has the advantages that: the utility model provides a pair of HDMI optical fiber transmission line has solved present HDMI transmission line and has restricted effective use on some occasions because of transmission distance is shorter to and lead to the signal attenuation too big because of the overlength use of transmission line, influence the problem of the signal transmission function of HDMI transmission line then easily, can realize the harmless transmission of HDMI transmission line under long distance.
Drawings
Fig. 1 is a schematic structural diagram of a first preferred embodiment of an HDMI optical fiber transmission line according to the present invention;
FIG. 2 is an internal cross-sectional view of the optical fiber transmission line shown in FIG. 1;
fig. 3 is a side view of the first and second copper metal housings shown in fig. 1.
The names of the parts corresponding to the numerical identifiers in the drawings of the specification are respectively as follows:
a first HDMI-A gold-plated head 1; a first metallic copper case 2; a first protective sheath 3; an optical fiber transmission line 4; a second protective cover; a second metallic copper housing 6; a second HDMI-a gold-plated head 7; an electro-optical conversion module 8; a photoelectric conversion module 9; a tubular shielding aluminum foil layer 10; a tubular outer insulating layer 11; AWG copper wire 12 of wire gauge 26; a ground wire; an optical fiber core 14; a tubular cavity 15; differential copper wires 16; AWG copper wire 17 of wire gauge 30; a nylon braid layer 18; a hexagonal screw hole 19; and mounting holes 20.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the drawings.
Example one
Referring to fig. 1, fig. 1 is a schematic structural principle diagram of a first preferred embodiment of an HDMI optical fiber transmission line according to the present invention. As shown in fig. 1, the HDMI optical fiber transmission line of this embodiment includes an electrical-to-optical conversion module 8 for converting an HDMI electrical signal into an optical fiber signal, a photoelectric conversion module 9 for decoding the HDMI electrical signal from the optical fiber signal, a first metal copper shell 2, a second metal copper shell 6, a first HDMI-a gold-plated head 1 connected to the electrical-to-optical conversion module 8, a second HDMI-a gold-plated head 7 connected to the photoelectric conversion module 9, an optical fiber transmission line 4, and a first protective sheath 3 and a second protective sheath 5 connected to two ends of the optical fiber transmission line 4; the electro-optical conversion module 8 and the photoelectric conversion module 9 are respectively disposed inside the first metal copper shell 2 and the second metal copper shell 6, the first HDMI-a gold-plated head 1 and the second HDMI-a gold-plated head 7 are respectively disposed at one end of the first metal copper shell 2 and one end of the second metal copper shell 6, and the first protective sleeve 3 and the second protective sleeve 5 are respectively disposed at the other end of the first metal copper shell 2 and the other end of the second metal copper shell 6.
Preferably, after the first HDMI-a gold-plated header 1 is connected to the signal output device end and the second HDMI-a gold-plated header 7 is connected to the signal receiving device end, the electro-optical conversion module 8 may convert the HDMI electrical signal obtained by the first HDMI-a gold-plated header 1 into an optical fiber signal and transmit the optical fiber signal to the photoelectric conversion module 9 through the optical fiber transmission line 4, and after the optical fiber signal is converted into the HDMI electrical signal by the photoelectric conversion module 9, the second HDMI-a gold-plated header 7 may transmit the HDMI electrical signal to the signal receiving device end; the signal output device end and the signal receiving device end may be devices such as a computer, a mobile phone, a tablet computer, a video recorder, but are not limited thereto, and may also be other devices capable of outputting signals.
Referring to fig. 2, fig. 2 is an internal cross-sectional view of the optical fiber transmission line shown in fig. 1.
Preferably, the optical fiber transmission line 4 further includes a tubular outer insulation layer 11, a tubular cavity 15 disposed inside the tubular outer insulation layer 11, a tubular shielding aluminum foil layer 10 connected to the inner sidewall of the tubular outer insulation layer 11, an AWG copper wire disposed inside the tubular cavity 15, a shielding wire and an optical fiber line, the tubular outer insulation layer 11 is disposed on the outer surface of the AWG copper wire optical fiber line, and the tubular shielding aluminum foil layer 10 is disposed on the outer surface of the shielding wire.
Preferably, the optical fiber line comprises at least four optical fiber cores 14, the shielding line comprises at least two differential copper wires 16 and a ground wire 13, the AWG copper wire comprises at least two AWG copper wires 12 with 26 gauge and three AWG copper wires 17 with 30 gauge, and the outer surface of the differential copper wire 16 is provided with a tubular outer insulating layer 11.
Preferably, the optical fiber transmission line 4 of the present invention adopts a multi-layer design and adds the tubular shielding aluminum foil layer 10, which can effectively reduce the attenuation of the signal in the transmission process;
and through grounding the tubular shielding aluminum foil layer 10, external interference signals can be guided into the ground by the tubular shielding aluminum foil layer 10, so that interference signals can be effectively prevented from entering an inner conductor to interfere, and meanwhile, the loss of transmission signals is reduced;
and, the differential copper conductor 16 is a copper conductor of No. 30 gauge, and by twisting two differential copper conductors 16 (such as twisted pair), the immunity of the optical fiber transmission line 4 to coupling noise can be effectively improved.
Therefore, the HDMI optical fiber transmission line described in the above figure is implemented, so that the problems that the effective use of the current HDMI transmission line on some occasions is limited due to short transmission distance, the signal attenuation is too large due to the overlong use of the transmission line, and the signal transmission function of the HDMI transmission line is easily affected are solved, and the lossless transmission of the HDMI transmission line in a long distance can be realized.
In addition, the HDMI optical fiber transmission line described in the above figures is implemented, and the HDMI electrical signal is converted into the optical fiber signal, so that the HDMI signal can be effectively prevented from being influenced by the external environment, and the transmission distance is increased.
In addition, the HDMI optical fiber transmission line described in the upper drawing is implemented, maintenance and overhaul of the whole system are more convenient through modularized arrangement, expandability is stronger, the optical fiber transmission line can be wired without dividing the transmission direction, and the conditions of wiring errors and the like are avoided.
In addition, when the HDMI optical fiber transmission line described in the above figure is implemented, the optical fiber transmission line can effectively reduce the attenuation of signals during transmission by adopting a multilayer design and adding a tubular shielding aluminum foil layer.
In addition, by implementing the HDMI optical fiber transmission line described in the above figure, the tubular shielding aluminum foil layer is grounded, so that an external interference signal can be guided to the ground by the tubular shielding aluminum foil layer, and interference of the interference signal entering the inner conductor can be effectively avoided while loss of the transmission signal is reduced.
In addition, the HDMI optical fiber transmission line described in the above figure can effectively improve the immunity of the optical fiber transmission line to coupling noise by twisting two differential copper wires (e.g. twisted pair).
Example two
Referring to fig. 3, fig. 3 is a side view of the first copper metal shell and the second copper metal shell shown in fig. 1.
Preferably, the side ends and the lower cover of the first metal copper shell 2 and the second metal copper shell 6 are respectively provided with a mounting hole 20 for mounting the electro-optical conversion module 8 and the photoelectric conversion module 9, and a hexagonal screw hole 19 for fixedly mounting the electro-optical conversion module 8 and the photoelectric conversion module 9 in the first metal copper shell 2 and the second metal copper shell 6.
Preferably, the hexagonal screw holes 19 are formed in the lower shells of the first metal copper shell 2 and the second metal copper shell 6, so that the electro-optical conversion module 8 and the photoelectric conversion module 9 can be more firmly fixed in the first metal copper shell 2 and the second metal copper shell 6.
Preferably, a nylon braid 18 is disposed between the tubular shielding aluminum foil layer 10 and the tubular outer insulation layer 11.
Preferably, the nylon braid 18 can have fire and abrasion resistant properties to better protect the optical fiber transmission line from damage due to cutting or high temperature.
Preferably, the first protective sheath 3, the second protective sheath 5 and the tubular outer insulating layer 11 are mainly made of polyvinyl chloride PVC.
Therefore, the implementation of the HDMI optical fiber transmission line described in fig. 2 solves the problems that the effective use of the HDMI transmission line in some occasions is limited due to the short transmission distance, and the signal transmission function of the HDMI transmission line is easily affected due to the excessive signal attenuation caused by the overlong use of the transmission line, and can realize the lossless transmission of the HDMI transmission line in a long distance.
In addition, the HDMI optical fiber transmission line described in fig. 2 is implemented, and the electro-optical conversion module and the photoelectric conversion module can be more firmly fixed inside the first metal copper shell and the second metal copper shell by the hexagonal screw hole pressing mechanism disposed on the first metal copper shell and the second metal copper shell.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same reason as the protection scope of the present invention.
Claims (6)
1. An HDMI optical fiber transmission line, comprising: the HDMI cable comprises an electro-optical conversion module (8) for converting an HDMI electrical signal into an optical fiber signal, a photoelectric conversion module (9) for decoding the HDMI electrical signal from the optical fiber signal, a first metal copper shell (2), a second metal copper shell (6), a first HDMI-A gold-plated head (1) connected with the electro-optical conversion module (8), a second HDMI-A gold-plated head (7) connected with the photoelectric conversion module (9), an optical fiber transmission line (4), and a first protective sleeve (3) and a second protective sleeve (5) connected to two ends of the optical fiber transmission line (4); the electro-optical conversion module (8) and the photoelectric conversion module (9) are respectively arranged inside the first metal copper shell (2) and the second metal copper shell (6), the first HDMI-A gold plating head (1) and the second HDMI-A gold plating head (7) are respectively arranged at one end of the first metal copper shell (2) and one end of the second metal copper shell (6), and the first protective sleeve (3) and the second protective sleeve (5) are respectively arranged at the other end of the first metal copper shell (2) and the other end of the second metal copper shell (6).
2. The HDMI optical fiber transmission line of claim 1, wherein:
the optical fiber transmission line (4) further comprises a tubular outer insulating layer (11), a tubular cavity (15) arranged in the tubular outer insulating layer (11), a tubular shielding aluminum foil layer (10) connected with the inner side wall of the tubular outer insulating layer (11), an AWG copper conductor arranged in the tubular cavity (15), a shielding wire and an optical fiber wire, wherein the tubular outer insulating layer (11) is arranged on the outer surface of the optical fiber wire of the AWG copper conductor, and the tubular shielding aluminum foil layer (10) is arranged on the outer surface of the shielding wire.
3. The HDMI optical fiber transmission line of claim 2, wherein:
the optical fiber wire at least comprises four optical fiber inner cores (14), the shielding wire at least comprises two differential copper wires (16) and a ground wire (13), the AWG copper wire at least comprises two AWG copper wires (12) with the wire gauge of 26 and three AWG copper wires (17) with the wire gauge of 30, and the outer surface of the differential copper wire (16) is provided with the tubular outer insulating layer (11).
4. The HDMI optical fiber transmission line of claim 3, wherein:
first metal copper shell (2) with the side and the lower cover of second metal copper shell (6) are equipped with respectively and are used for the installation electro-optical conversion module (8) with mounting hole (20) of photoelectric conversion module (9) and be used for with electro-optical conversion module (8) with hexagonal screw hole (19) in photoelectric conversion module (9) fixed mounting in first metal copper shell (2) with in second metal copper shell (6).
5. The HDMI optical fiber transmission line of claim 4, wherein: a nylon braided layer (18) is arranged between the tubular shielding aluminum foil layer (10) and the tubular outer insulating layer (11).
6. The HDMI optical fiber transmission line of claim 5, wherein: the first protective sleeve (3), the second protective sleeve (5) and the tubular outer insulating layer (11) are mainly made of polyvinyl chloride (PVC) materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020517523.4U CN212163337U (en) | 2020-04-09 | 2020-04-09 | HDMI optical fiber transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020517523.4U CN212163337U (en) | 2020-04-09 | 2020-04-09 | HDMI optical fiber transmission line |
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| Publication Number | Publication Date |
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| CN212163337U true CN212163337U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020517523.4U Active CN212163337U (en) | 2020-04-09 | 2020-04-09 | HDMI optical fiber transmission line |
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| CN (1) | CN212163337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019622A (en) * | 2021-11-09 | 2022-02-08 | 山东中和光电科技有限公司 | Military module packaged by Mini SFP |
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2020
- 2020-04-09 CN CN202020517523.4U patent/CN212163337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019622A (en) * | 2021-11-09 | 2022-02-08 | 山东中和光电科技有限公司 | Military module packaged by Mini SFP |
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