CN206977577U - Video-audio signal Transmission system based on power line - Google Patents
Video-audio signal Transmission system based on power line Download PDFInfo
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- CN206977577U CN206977577U CN201720938889.7U CN201720938889U CN206977577U CN 206977577 U CN206977577 U CN 206977577U CN 201720938889 U CN201720938889 U CN 201720938889U CN 206977577 U CN206977577 U CN 206977577U
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- audio signal
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Abstract
The utility model discloses a kind of video-audio signal Transmission system based on power line,Belong to electronic communication technology field,Including video-audio signal transmitting terminal and video-audio signal receiving terminal,Data communication is realized by power line connection between video-audio signal transmitting terminal and video-audio signal receiving terminal,Video-audio signal transmitting terminal and video-audio signal receiving terminal include housing,The inside of housing is respectively equipped with first processor and second processor,The outside that video-audio signal sends end housing is provided with transmitting terminal HDMI,The outside of video-audio signal receiving end shell is provided with receiving terminal HDMI,Transmitting terminal HDMI connects first processor,Receiving terminal HDMI connects second processor,First processor is also associated with the first power line carrier module,Second processor is also associated with the second power line carrier module,The both ends of power line connect the first power line carrier module and the second power line carrier module respectively,Can transmitting audio-video signal on existing power line,Reduce and repeat to connect up,Solves produced problem in the prior art.
Description
Technical field
A kind of video-audio signal Transmission system based on power line is the utility model is related to, belongs to electronic communication technology field.
Background technology
Wireless image-sound transmission is that audio-video signal is transferred to distal end by one kind from signal source (computer and high definition playback equipment)
Radio transmission apparatus in HDTV or high definition projector, it can realize that the lossless of 1080P/60 and 3D is transmitted without delay, video-audio signal
It is attached among during transmission by cat5/5e/6 netting twines, the distance of transmission is shorter, and effective propagation path is about 2-12 rice, and
Need to arrange netting twine, transmission medium cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of video-audio signal Transmission system based on power line, in existing electric power
On line just
Can transmitting audio-video signal, reduce repeat connect up, solve produced problem in the prior art.
Video-audio signal Transmission system described in the utility model based on power line, including video-audio signal transmitting terminal and audio-visual
Signal receiving end, data communication is realized by power line connection between video-audio signal transmitting terminal and video-audio signal receiving terminal, it is audio-visual
Signal sending end and video-audio signal receiving terminal include housing, and the inside of housing is respectively equipped with first processor and second processing
Device, the outside that video-audio signal sends end housing are provided with transmitting terminal HDMI, and the outside of video-audio signal receiving end shell, which is provided with, to be connect
Receiving end HDMI, transmitting terminal HDMI connection first processor, receiving terminal HDMI connection second processor, at first
Reason device is also associated with the first power line carrier module, and second processor is also associated with the second power line carrier module, the both ends of power line
The first power line carrier module and the second power line carrier module are connected respectively.
When video-audio signal transmits, video-audio signal is inputted by transmitting terminal HDMI, will after being handled by first processor
HDMI data signals are packaged into regulation protocol package by parsing and compressing, by TCP the agreement such as UDP transmit to the first electric power and carry
Ripple module, power line is connected between the first power line carrier module and the second power line carrier module, data are first transmitted by electric power
To the second power line carrier module, the second power line carrier module is transmitted to second processor after receiving video-audio signal, by second
Processor transmits to receiving terminal HDMI and plays out video-audio signal.
The outside that described video-audio signal sends end housing is additionally provided with transmitting terminal infrared interface, video-audio signal receiving end shell
Outside be additionally provided with receiving terminal infrared interface, transmitting terminal infrared interface connection first processor, receiving terminal infrared interface connection the
Two processors.
Infrared signal transmission can be realized by transmitting terminal infrared interface and receiving terminal infrared interface, solve traditional remote controller
The electrical equipment of control, such as TV, projecting apparatus.
The outside that described video-audio signal sends end housing is additionally provided with transmitting terminal AUDIO interfaces, and video-audio signal receives end housing
The outside of body is additionally provided with receiving terminal AUDIO interfaces, transmitting terminal AUDIO interfaces connection first processor, and receiving terminal AUDIO interfaces connect
Second processor is connect, by setting transmitting terminal AUDIO interfaces to realize microphone pickup and arriving audio by power line transmission
Receiving terminal AUDIO interfaces.
The outside that described video-audio signal sends end housing is additionally provided with transmitting terminal RS232 interface, and video-audio signal receives end housing
The outside of body is additionally provided with receiving terminal RS232 interface, transmitting terminal RS232 interface connection first processor, and receiving terminal RS232 interface connects
Connect second processor.
By setting transmitting terminal RS232 interface and receiving terminal RS232 interface, control projector signal can be transmitted, is realized
The remote control of projector.
The first described power line carrier module and the second power line carrier module include AR7420 chips and AR1540 chips,
AR7420 chips connect AR1540 chips, and wherein power line is connected with AR1540 chips.
In video-audio signal transmitting terminal, first processor is by transmitting terminal RS232 interface, transmitting terminal AUDIO interfaces, transmitting terminal
HDMI, transmitting terminal infrared interface signal all packing compression by TCP the agreement such as UDP to transfer data to first electric
AR7420 chips on power carrier module, transmitted data to after the processing of AR7420 chips by AR1540 chips in power line；
In video-audio signal receiving terminal, data are transmitted on power line, by the AR1540 chips of the second power line carrier module by power line
Signal after modulation be converted into data signal to AR7420 chips and by signal assemble into TCP udp protocol form, second processing
Device receive TCP udp protocol, and parse wherein data, it is red that the data after parsing be sent to receiving terminal HDMI, receiving terminal
External tapping, receiving terminal AUDIO interfaces.
Described first processor and second processor use HI3520 chips.
Described transmitting terminal AUDIO interfaces and the interface chip of receiving terminal AUDIO interface internals use CS5343 chips, lead to
Cross transmitting terminal AUDIO interfaces and receiving terminal AUDIO interfaces and simulated audio signal is switched to simultaneously by data signal by CS5343 chips
Compression packing.
Interface chip inside described transmitting terminal RS232 interface and receiving terminal RS232 interface uses SP3222EEY cores
Piece, transmitting terminal RS232 interface and receiving terminal RS232 interface turn RS232 signals RS232 signals by SP3222EEY chips
Change TTL signal into.
The utility model compared with prior art, has the advantages that：
A kind of video-audio signal Transmission system based on power line is provided, can transmitting audio-video letter on existing power line
Number, reduce and repeat to connect up, pass through forceful electric power line transmission high resolution audio and video signal, 200 meters of transmission range；It is defeated with single audio
Enter output interface, can switched audio signal source；With infrared interface, the infrared control signal for transmitting remote control can be received；Have
RS232 serial ports, control projector signal can be transmitted, remote control is realized, solves produced problem in the prior art, can be with
Wide popularization and application.
Brief description of the drawings
Fig. 1 is that the circuit of the utility model embodiment connects block diagram；
Fig. 2 is the outside of video-audio signal transmitting terminal or video-audio signal receiving terminal a portion in the utility model embodiment
Structure chart；
Fig. 3 is the outside knot of video-audio signal transmitting terminal or video-audio signal receiving terminal another part in the utility model embodiment
Composition；
In figure：1st, transmitting terminal HDMI；2nd, transmitting terminal infrared interface；3rd, transmitting terminal AUDIO interfaces；4th, the first processing
Device；5th, the first power line carrier module；6th, video-audio signal transmitting terminal；7th, power line；8th, transmitting terminal RS232 interface；9th, the second electric power
Carrier module；10th, video-audio signal receiving terminal；11st, receiving terminal HDMI；12nd, receiving terminal infrared interface；13rd, receiving terminal AUDIO
Interface；14th, second processor；15th, receiving terminal RS232 interface.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples：
Embodiment 1：
As shown in figure 1, the video-audio signal Transmission system described in the utility model based on power line, including video-audio signal hair
Sending end 6 and video-audio signal receiving terminal 10, are connected between video-audio signal transmitting terminal 6 and video-audio signal receiving terminal 10 by power line 7
Data communication is realized, video-audio signal transmitting terminal 6 and video-audio signal receiving terminal 10 include housing, and the inside of housing is respectively equipped with
One processor 4 and second processor 14, the outside of the housing of video-audio signal transmitting terminal 6 are provided with transmitting terminal HDMI 1, video-audio signal
The outside of the housing of receiving terminal 10 is provided with receiving terminal HDMI 11, and transmitting terminal HDMI 1 connects first processor 4, receiving terminal
HDMI 11 connects second processor 14, and first processor 4 is also associated with the first power line carrier module 5, second processor 14
The second power line carrier module 9 is also associated with, the both ends of power line 7 connect the first power line carrier module 5 respectively and the second electric power carries
Ripple module 9.
In order to further illustrate above-described embodiment, the first power line carrier module 5 and the second power line carrier module 9 include
AR7420 chips and AR1540 chips, AR7420 chips connection AR1540 chips, wherein power line 7 are connected with AR1540 chips.
In order to further illustrate above-described embodiment, first processor 4 and second processor 14 use HI3520 chips.
The operation principle of the present embodiment 1 is：When video-audio signal transmits, video-audio signal is inputted by transmitting terminal HDMI 1,
HDMI data signals are packaged into regulation protocol package by parsing and compressing after being handled by first processor 4, by TCP UDP
Transmitted etc. agreement to the first power line carrier module 5, electricity is connected between the first power line carrier module 5 and the second power line carrier module 9
The line of force 7, data are transmitted to the second power line carrier module 9 by power line 7, the second power line carrier module 9 receives audio-visual
Transmitted after signal to second processor 14, transmitted by second processor 14 to receiving terminal HDMI 11 and broadcast video-audio signal
Put.
Embodiment 2：
Video-audio signal Transmission system described in the utility model based on power line, including video-audio signal transmitting terminal 6 and shadow
Sound signal receiving terminal 10, realize that data are led to by the connection of power line 7 between video-audio signal transmitting terminal 6 and video-audio signal receiving terminal 10
News, video-audio signal transmitting terminal 6 and video-audio signal receiving terminal 10 include housing, and the inside of housing is respectively equipped with first processor 4
With second processor 14, the outside of the housing of video-audio signal transmitting terminal 6 is provided with transmitting terminal HDMI 1, video-audio signal receiving terminal 10
The outside of housing is provided with receiving terminal HDMI 11, and transmitting terminal HDMI 1 connects first processor 4, receiving terminal HDMI
11 connection second processors 14, first processor 4 are also associated with the first power line carrier module 5, and second processor 14 is also associated with
Second power line carrier module 9, the both ends of power line 7 connect the first power line carrier module 5 and the second power line carrier module 9 respectively.
In order to further illustrate above-described embodiment, the outside of the housing of video-audio signal transmitting terminal 6 is additionally provided with that transmitting terminal is infrared to be connect
Mouth 2, the outside of the housing of video-audio signal receiving terminal 10 are additionally provided with receiving terminal infrared interface 12, the connection of transmitting terminal infrared interface 2 first
Processor 4, receiving terminal infrared interface 12 connect second processor 14.
In order to further illustrate above-described embodiment, the first power line carrier module 5 and the second power line carrier module 9 include
AR7420 chips and AR1540 chips, AR7420 chips connection AR1540 chips, wherein power line 7 are connected with AR1540 chips.
In order to further illustrate above-described embodiment, first processor 4 and second processor 14 use HI3520 chips.
The operation principle of the present embodiment 2 is：When infrared remote-controlled signal transmits, infrared remote-controlled signal connects by the way that transmitting terminal is infrared
Mouth 2 is inputted, and infrared signal is packaged into regulation protocol package by parsing and compressing after being handled by first processor 4, passed through
TCP the agreement such as UDP transmit to the first power line carrier module 5, between the first power line carrier module 5 and the second power line carrier module 9
Power line 7 is connected, data are transmitted to the second power line carrier module 9 by power line 7, the second power line carrier module 9 receives
Transmit after to video-audio signal to second processor 14, transmitted infrared remote control by second processor 14 to receiving terminal infrared interface 12
Signal output.
Embodiment 3：
Video-audio signal Transmission system described in the utility model based on power line, including video-audio signal transmitting terminal 6 and shadow
Sound signal receiving terminal 10, realize that data are led to by the connection of power line 7 between video-audio signal transmitting terminal 6 and video-audio signal receiving terminal 10
News, video-audio signal transmitting terminal 6 and video-audio signal receiving terminal 10 include housing, and the inside of housing is respectively equipped with first processor 4
With second processor 14, the outside of the housing of video-audio signal transmitting terminal 6 is provided with transmitting terminal HDMI 1, video-audio signal receiving terminal 10
The outside of housing is provided with receiving terminal HDMI 11, and transmitting terminal HDMI 1 connects first processor 4, receiving terminal HDMI
11 connection second processors 14, first processor 4 are also associated with the first power line carrier module 5, and second processor 14 is also associated with
Second power line carrier module 9, the both ends of power line 7 connect the first power line carrier module 5 and the second power line carrier module 9 respectively.
In order to further illustrate above-described embodiment, the outside of the housing of video-audio signal transmitting terminal 6 is additionally provided with transmitting terminal AUDIO and connect
Mouthfuls 3, the outside of the housing of video-audio signal receiving terminal 10 is additionally provided with receiving terminal AUDIO interfaces 13, the connection of transmitting terminal AUDIO interfaces 3 the
One processor 4, receiving terminal AUDIO interfaces 13 connect second processor 14.
In order to further illustrate above-described embodiment, the first power line carrier module 5 and the second power line carrier module 9 include
AR7420 chips and AR1540 chips, AR7420 chips connection AR1540 chips, wherein power line 7 are connected with AR1540 chips.
In order to further illustrate above-described embodiment, first processor 4 and second processor 14 use HI3520 chips.
In order to further illustrate above-described embodiment, connecing inside transmitting terminal AUDIO interfaces 3 and receiving terminal AUDIO interfaces 13
Mouth chip uses CS5343 chips.
The operation principle of the present embodiment 3 is：During microphone audio signal transmission, microphone audio signal passes through transmitting terminal AUDIO
Interface 3 is inputted, and microphone audio signal is packaged into regulation protocol package by parsing and compressing after being handled by first processor 4,
By TCP the agreement such as UDP transmit to the first power line carrier module 5, the first power line carrier module 5 and the second power line carrier module 9
Between connect power line 7, data are transmitted to the second power line carrier module 9 by power line 7, the second power line carrier module 9
Transmitted after receiving video-audio signal to second processor 14, being transmitted by second processor 14 to receiving terminal AUDIO interfaces 13 to talk about
Cylinder audio signal output.
Embodiment 4：
Video-audio signal Transmission system described in the utility model based on power line, including video-audio signal transmitting terminal 6 and shadow
Sound signal receiving terminal 10, realize that data are led to by the connection of power line 7 between video-audio signal transmitting terminal 6 and video-audio signal receiving terminal 10
News, video-audio signal transmitting terminal 6 and video-audio signal receiving terminal 10 include housing, and the inside of housing is respectively equipped with first processor 4
With second processor 14, the outside of the housing of video-audio signal transmitting terminal 6 is provided with transmitting terminal HDMI 1, video-audio signal receiving terminal 10
The outside of housing is provided with receiving terminal HDMI 11, and transmitting terminal HDMI 1 connects first processor 4, receiving terminal HDMI
11 connection second processors 14, first processor 4 are also associated with the first power line carrier module 5, and second processor 14 is also associated with
Second power line carrier module 9, the both ends of power line 7 connect the first power line carrier module 5 and the second power line carrier module 9 respectively.
In order to further illustrate above-described embodiment, the outside of the housing of video-audio signal transmitting terminal 6 is additionally provided with transmitting terminal RS232 and connect
Mouthfuls 8, the outside of the housing of video-audio signal receiving terminal 10 is additionally provided with receiving terminal RS232 interface 15, the connection of transmitting terminal RS232 interface 8 the
One processor 4, receiving terminal RS232 interface 15 connect second processor 14.
In order to further illustrate above-described embodiment, the first power line carrier module 5 and the second power line carrier module 9 include
AR7420 chips and AR1540 chips, AR7420 chips connection AR1540 chips, wherein power line 7 are connected with AR1540 chips.
In order to further illustrate above-described embodiment, first processor 4 and second processor 14 use HI3520 chips.
In order to further illustrate above-described embodiment, connecing inside transmitting terminal RS232 interface 8 and receiving terminal RS232 interface 15
Mouth chip uses SP3222EEY chips.
The operation principle of the present embodiment 4 is：During projector's signal transmission, projector's signal passes through transmitting terminal RS232 interface 8
Input, projector's signal is packaged into regulation protocol package by parsing and compressing after being handled by first processor 4, by TCP
The agreements such as UDP are transmitted to the first power line carrier module 5, are connected between the first power line carrier module 5 and the second power line carrier module 9
Power line 7, data are transmitted to the second power line carrier module 9 by power line 7, the second power line carrier module 9 receives shadow
Transmit after sound signal to second processor 14, transmitted projector's signal by second processor 14 to receiving terminal RS232 interface 15
Output.
System is transmitted using the video-audio signal based on power line of the embodiment of the present utility model described above in association with accompanying drawing
System, on existing power line can transmitting audio-video signal, reduce repeat connect up, solve produced problem in the prior art.
But the utility model is not limited to described embodiment, in the case where not departing from principle of the present utility model and spirit this
Change, modification, replacement and the deformation carried out a bit to embodiment is still fallen within the scope of protection of the utility model.
Claims (8)
- A kind of 1. video-audio signal Transmission system based on power line, it is characterised in that：Including video-audio signal transmitting terminal (6) and audio-visual Signal receiving end (10), connected and realized by power line (7) between video-audio signal transmitting terminal (6) and video-audio signal receiving terminal (10) Data communication, described video-audio signal transmitting terminal (6) and video-audio signal receiving terminal (10) include housing, the inside difference of housing Provided with first processor (4) and second processor (14), the outside of video-audio signal transmitting terminal (6) housing connects provided with transmitting terminal HDMI Mouth (1), the outside of video-audio signal receiving terminal (10) housing are provided with receiving terminal HDMI (11), and transmitting terminal HDMI (1) is even Connect first processor (4), receiving terminal HDMI (11) connection second processor (14), first processor (4) is also associated with the One power line carrier module (5), second processor (14) are also associated with the second power line carrier module (9), the both ends point of power line (7) The first power line carrier module (5) and the second power line carrier module (9) are not connected.
- 2. the video-audio signal Transmission system according to claim 1 based on power line, it is characterised in that：Described audio-visual letter The outside of number transmitting terminal (6) housing is additionally provided with transmitting terminal infrared interface (2), and the outside of video-audio signal receiving terminal (10) housing is also set There is receiving terminal infrared interface (12), transmitting terminal infrared interface (2) connection first processor (4), receiving terminal infrared interface (12) is even Connect second processor (14).
- 3. the video-audio signal Transmission system according to claim 1 based on power line, it is characterised in that：Described audio-visual letter The outside of number transmitting terminal (6) housing is additionally provided with transmitting terminal AUDIO interfaces (3), and the outside of video-audio signal receiving terminal (10) housing is also Provided with receiving terminal AUDIO interfaces (13), transmitting terminal AUDIO interfaces (3) connection first processor (4), receiving terminal AUDIO interfaces (13) second processor (14) is connected.
- 4. the video-audio signal Transmission system according to claim 1 based on power line, it is characterised in that：Described audio-visual letter The outside of number transmitting terminal (6) housing is additionally provided with transmitting terminal RS232 interface (8), and the outside of video-audio signal receiving terminal (10) housing is also Provided with receiving terminal RS232 interface (15), transmitting terminal RS232 interface (8) connection first processor (4), receiving terminal RE232 interfaces (15) second processor (14) is connected.
- 5. the video-audio signal Transmission system according to claim 1 based on power line, it is characterised in that：The first described electricity Power carrier module (5) and the second power line carrier module (9) include AR7420 chips and AR1540 chips, the connection of AR7420 chips AR1540 chips, wherein power line (7) are connected with AR1540 chips.
- 6. the video-audio signal Transmission system according to claim 1 based on power line, it is characterised in that：At described first Reason device (4) and second processor (14) use HI3520 chips.
- 7. the video-audio signal Transmission system according to claim 3 based on power line, it is characterised in that：Described transmitting terminal AUDIO interfaces (3) and the interface chip of receiving terminal AUDIO interfaces (13) inside use CS5343 chips.
- 8. the video-audio signal Transmission system according to claim 4 based on power line, it is characterised in that：Described transmitting terminal The interface chip of RS232 interface (8) and receiving terminal RS232 interface (15) inside uses SP3222EEY chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938889.7U CN206977577U (en) | 2017-07-28 | 2017-07-28 | Video-audio signal Transmission system based on power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938889.7U CN206977577U (en) | 2017-07-28 | 2017-07-28 | Video-audio signal Transmission system based on power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206977577U true CN206977577U (en) | 2018-02-06 |
Family
ID=61397950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720938889.7U Active CN206977577U (en) | 2017-07-28 | 2017-07-28 | Video-audio signal Transmission system based on power line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206977577U (en) |
-
2017
- 2017-07-28 CN CN201720938889.7U patent/CN206977577U/en active Active
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Effective date of registration: 20191107 Address after: Room 18, floor 9, building a, Huijing international city, No. 47, Jinyu Road, Jining City, Shandong Province Co-patentee after: Jining institute Patentee after: Shandong Time Information Technology Co., Ltd. Address before: 272000 East Household of East Unit 1 of Maolin Apartment Building 7, Rencheng District, Jining City, Shandong Province Co-patentee before: Jining institute Patentee before: Shandong Chuan Jie Information Technology Co., Ltd. |