CN211429421U - Multi-path HDBaset transmission circuit - Google Patents
Multi-path HDBaset transmission circuit Download PDFInfo
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- CN211429421U CN211429421U CN201921939135.9U CN201921939135U CN211429421U CN 211429421 U CN211429421 U CN 211429421U CN 201921939135 U CN201921939135 U CN 201921939135U CN 211429421 U CN211429421 U CN 211429421U
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Abstract
The utility model belongs to the technical field of audio and video transmission, and discloses a multichannel HDBaset transmission circuit, including HDMI one-in two-out distribution circuit, HDBaset single network circuit; the HDMI one-input two-output circuit input end receives external HDMI audio and video signals and outputs two paths of HDMI audio and video signals through the output end, wherein one path of HDMI audio and video signals is output to the HDBaset single-network line circuit, and the other path of HDMI audio and video signals is output to an external display or a next-stage HDMI receiving device; the utility model receives HDMI audio and video signals through an RX receiving circuit, converts and distributes the HDMI audio and video signals into two-way signals through an EP91X2 chip and a surrounding circuit 3 thereof, and outputs two-way signals to a corresponding display or a lower circuit through the TX output circuit; the design mode has the advantages of simple circuit design and multiple signal outputs.
Description
Technical Field
The utility model belongs to the technical field of audio and video transmission, concretely relates to multichannel HDBaset transmission circuit.
Background
The HDBaset is an emerging mode for transmitting digital audio and video through a network cable, has been accepted by the market from 2009 to now, and has the advantages that the HDBaset has real-time performance and long-distance transmission, and an internet bar, a media transmission system, an education system and a conference system are all commonly used;
the existing HDBaset technology can only transmit audio and video one to one, and is limited in many applications requiring multi-screen display;
HDMI is a new digital audio and video interface, which has been accepted by the market since 2002, and HDMI interfaces are provided for high-definition DVD, high-definition TV and the like, so that HDMI interfaces can be certainly the mainstream of current video interfaces; however, the quality standards of the current HDMI lines are different, and the EMI of the environment is different, so that the situation that the video is unstable when many devices play the HDMI video is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multichannel HDBaset transmission circuit to it can only one to one transmission audio frequency and video to propose the HDBaset technique in the above-mentioned background art to solve, receives the restriction in many applications that need many screens to show.
In order to achieve the above object, the utility model provides a following technical scheme: a multi-path HDBaset transmission circuit comprises an HDMI one-input two-output distribution circuit and an HDBaset single-network circuit; the HDMI one-input two-output circuit input end receives external HDMI audio and video signals and outputs two paths of HDMI audio and video signals through the output end, wherein one path of HDMI audio and video signals is output to the HDBaset single-network line circuit, and the other path of HDMI audio and video signals is output to an external display or a next-stage HDMI receiving device; the HDBaset single-network circuit receives audio and video signals, and transmits conversion signals through an external network cable after conversion.
Preferably, the HDMI one-input two-output distribution circuit includes an RX receiving circuit, a TX output circuit, an EP91X2 chip, and peripheral circuits thereof.
Preferably, the RX receiving circuit includes an HDMI connector socket and a peripheral circuit connected between corresponding input terminals of the EP91X2 chip.
Preferably, an input end of the TX output circuit is connected to a corresponding output end of the EP91X2 chip, and an output end of the TX output circuit is connected to an external display or a lower-level HDMI signaling device.
Preferably, the EP91X2 chip signal receives an HDMI audio/video signal of the RX receiving circuit, and converts two types of HDMI audio/video signals for output.
Preferably, the HDBaset single network circuit includes an HDMI signal receiving circuit, an RJ45 network transformer, an HDBaset chip, and peripheral circuits thereof.
Preferably, the HDMI signal receiving circuit is an HDMI-REPEATER connection socket, and the HDMI-REPEATER connection socket is connected to the output terminal of the TX output circuit.
Preferably, the HDBaset chip is a VS100TX chip, the corresponding input terminal of the VS100TX chip is connected to the HDMI-REPEATER connection socket, and the corresponding output terminal of the S100TX chip is connected to the RJ45 network transformer.
Preferably, the RJ45 network transformer includes an RJ45 connector, an H7019FNL transformer and peripheral circuits thereof.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model receives HDMI audio and video signals through an RX receiving circuit, converts and distributes the HDMI audio and video signals into two paths of signals through a TX output circuit, an EP91X2 chip and a surrounding circuit thereof, and outputs two paths of signals to a corresponding display or a lower circuit through the TX output circuit; the design mode has the advantages of simple circuit design and multiple signal outputs;
(2) the utility model discloses a cooperation of HDMI signal reception circuit, RJ45 network transformer, HDBaset chip and peripheral circuit is used and can be made present HDMI audio and video signal conversion HDBaset signal, the design of circuit has been portably made to the design of this kind of mode to can realize that HDMI audio and video advances all the way, two way HDMI audio and video outputs, and output gives HDBaset all the way, and the ring is given display or next stage receiving arrangement all the way.
Drawings
Fig. 1 is a schematic diagram of an RX receiving circuit of the present invention;
fig. 2 is a schematic diagram of an EP91X2 chip and its peripheral circuit according to the present invention;
fig. 3 is a schematic circuit diagram of a portion of the TX output circuit of the present invention;
fig. 4 is a schematic circuit diagram of another part of the TX output circuit of the present invention;
fig. 5 is a schematic diagram of an HDMI signal receiving circuit according to the present invention;
fig. 6 is a schematic circuit diagram of the RJ45 network transformer and the HDBaset chip of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a multi-path HDBaset transmission circuit, which includes: a multi-path HDBaset transmission circuit comprises an HDMI one-input two-output distribution circuit and an HDBaset single-network circuit; the HDMI one-input two-output circuit input end receives external HDMI audio and video signals and outputs two paths of HDMI audio and video signals through the output end, wherein one path of HDMI audio and video signals is output to the HDBaset single-network line circuit, and the other path of HDMI audio and video signals is output to an external display or a next-stage HDMI receiving device; the HDBaset single-network circuit receives audio and video signals, and transmits conversion signals through an external network cable after conversion.
The HDMI one-input two-output distribution circuit comprises an RX receiving circuit 1, a TX output circuit 2, an EP91X2 chip and a peripheral circuit 3 thereof.
The RX receiving circuit 1 includes an HDMI connector and a peripheral circuit connected between corresponding input terminals of the EP91X2 chip.
The input end of the TX output circuit 2 is connected to the corresponding output end of the EP91X2 chip, and the output end of the TX output circuit 2 is connected to an external display or a lower-level HDMI signal device.
The EP91X2 chip signal receives the HDMI audio/video signal of the RX receiving circuit 1, and converts two types of HDMI audio/video signals to output.
The HDBaset single network circuit comprises an HDMI signal receiving circuit 4, an RJ45 network transformer 6, an HDBaset chip and a peripheral circuit 5 thereof.
The HDMI signal receiving circuit 4 is set as an HDMI-REPEATER connecting base, and the HDMI-REPEATER connecting base is connected to the output terminal of the TX output circuit 2.
The HDBaset chip is set as a VS100TX chip, the corresponding input end of the VS100TX chip is connected with the HDMI-REPEATER connecting seat, and the corresponding output end of the S100TX chip is connected with the RJ45 network transformer 6.
The RJ45 network transformer 6 includes an RJ45 connector, an H7019FNL transformer and its peripheral circuits.
The utility model discloses a theory of operation:
(1) the utility model discloses a RX receiving circuit 1 receives HDMI audio and video signal, TX output circuit 2 and through EP91X2 chip and its enclose circuit 3 with HDMI audio and video signal conversion, distribute into two-way signal, rethread TX output circuit 2 output two way signal for corresponding display or subordinate circuit; the design mode has the advantages of simple circuit design and multiple signal outputs;
(2) the utility model discloses a cooperation of HDMI signal reception circuit 4, RJ45 network transformer 6, HDBaset chip and peripheral circuit 5 is used and can be made present HDMI audio and video signal conversion HDBaset signal, the design of circuit has been portably made to the design of this kind of mode to can realize that HDMI audio and video advances all the way, two way HDMI audio and video outputs, output gives HDBaset all the way, the ring is given display or lower one-level receiving equipment all the way.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A multi-path HDBaset transmission circuit is characterized in that: the HDMI one-input two-output distribution circuit comprises an HDMI one-input two-output distribution circuit and an HDBaset single-network circuit; the HDMI one-input two-output circuit input end receives external HDMI audio and video signals and outputs two paths of HDMI audio and video signals through the output end, wherein one path of HDMI audio and video signals is output to the HDBaset single-network line circuit, and the other path of HDMI audio and video signals is output to an external display or a next-stage HDMI receiving device; the HDBaset single-network circuit receives audio and video signals, and transmits conversion signals through an external network cable after conversion.
2. The multi-HDBaset transmission circuit according to claim 1, wherein: the HDMI one-input two-output distribution circuit comprises an RX receiving circuit, a TX output circuit, an EP91X2 chip and an EP91X2 chip peripheral circuit thereof.
3. The multi-HDBaset transmission circuit according to claim 2, wherein: the RX receiving circuit comprises an HDMI connecting seat and a peripheral circuit connected between corresponding input ends of an EP91X2 chip.
4. The multi-HDBaset transmission circuit according to claim 3, wherein: the input end of the TX output circuit is connected with the corresponding output end of the EP91X2 chip, and the output end of the TX output circuit is connected with an external display or a lower-level HDMI signal device.
5. The multi-path HDBaset transmission circuit according to claim 4, wherein: the EP91X2 chip signal receives the HDMI audio/video signal of the RX receiving circuit, and converts two HDMI audio/video signals to output.
6. The multi-HDBaset transmission circuit according to claim 1, wherein: the HDBaset single network circuit comprises an HDMI signal receiving circuit, an RJ45 network transformer, an HDBaset chip and peripheral circuits thereof.
7. The multi-HDBaset transmission circuit according to claim 6, wherein: the HDMI signal receiving circuit is set as an HDMI-REPEATER connecting seat, and the HDMI-REPEATER connecting seat is connected with the output end of the TX output circuit.
8. The multi-HDBaset transmission circuit according to claim 7, wherein: the HDBaset chip is set as a VS100TX chip, the corresponding input end of the VS100TX chip is connected with the HDMI-REP EATER connecting seat, and the corresponding output end of the S100TX chip is connected with the RJ45 network transformer.
9. The multi-HDBaset transmission circuit according to claim 8, wherein: the RJ45 network transformer comprises an RJ45 connector, an H7019FNL transformer and peripheral circuits thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939135.9U CN211429421U (en) | 2019-11-11 | 2019-11-11 | Multi-path HDBaset transmission circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939135.9U CN211429421U (en) | 2019-11-11 | 2019-11-11 | Multi-path HDBaset transmission circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211429421U true CN211429421U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921939135.9U Active CN211429421U (en) | 2019-11-11 | 2019-11-11 | Multi-path HDBaset transmission circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211429421U (en) |
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2019
- 2019-11-11 CN CN201921939135.9U patent/CN211429421U/en active Active
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