CN108924457A - A kind of multi-video interface input/output control system - Google Patents
A kind of multi-video interface input/output control system Download PDFInfo
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- CN108924457A CN108924457A CN201810874207.XA CN201810874207A CN108924457A CN 108924457 A CN108924457 A CN 108924457A CN 201810874207 A CN201810874207 A CN 201810874207A CN 108924457 A CN108924457 A CN 108924457A
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- video
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- hdmi
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- Multimedia (AREA)
- Signal Processing (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present invention provides a kind of multi-video interface input/output control systems, including video signal source, more video input multiplex roles rings to go out device, power-supply management system, HDMI interface display, USB interface display, analog video receiving module and USB interface display.The present invention supports various video input interface, various video output interface is supported including VGA, HDMI, DVI, arbitrary switch and image mosaic between input signal may be implemented, it supports a variety of output interfaces while exporting, and the access of display equipment and automatic output optimum resolution can be detected automatically, has working state of system instruction and automatic fault diagnosis retransmission function.The present invention realizes the input of various video interface and various video duplication output, and signal source multicopy display problem, the splicing of multichannel input signal provide a kind of solution of low cost for remote teaching, meeting, command system etc. to effective solution all the way.
Description
Technical field
The present invention relates to a kind of video interface control system, specially a kind of multi-video interface input/output control system,
Belong to video interface applied technical field.
Background technique
With the continuous development of video technique, the type of video interface is more and more, and most of display equipment all only have
One or two kinds of input interface, just will appear sometimes cannot achieve Interface Matching with signal sources such as existing hosts, therefore old
It is replaced during scrap build with regard to needing to carry out matching again, wastes a large amount of material resources and financial resources, at present view used by market
Frequency duplication display mostly uses the mode of GPU or FPGA to realize, hardware cost is higher.
With the development of video transmission technologies, the fields such as remote teaching, teleconference, remote commanding system, marine system
Demand also increase with it, and the main DRGB of current Transmission system (analog differential) transmission, network transmission, DRGB (analogue difference
Point) transmission, VGA analog video signal can only be transmitted, poor anti jamming capability, signal decaying is larger, and display effect is undesirable, and band
Width is lower；Network transmission uses kilomega network more, and such transmission mode can support various video signal, but transmission delay it is larger,
Using lossy compression, display effect edge is more fuzzy under high-resolution, and anti-electromagnetic interference capability is poor, packet loss is easy, if lost
Packet seriously just will appear the ill effects such as picture break-up or mosaic, therefore, propose that a kind of more videos connect regarding to the issue above
Mouth input/output control system.
Summary of the invention
The object of the invention is that providing a kind of multi-video interface input and output control system to solve the above-mentioned problems
System, the present invention realize the input of various video interface and various video duplication output, and signal source multichannel is multiple all the way for effective solution
Display problem processed provides a kind of solution of low cost for remote teaching, meeting, command system etc..
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of multi-video interface input/output control system,
Including video signal source, the video signal source connects more video input multiplex roles rings with HDMI interface by VGA, DVI and goes out to fill
The one of input terminal set, and one of output end that more video input multiplex roles rings go out device passes through USB interface
Connect USB interface display；The more video input multiplex roles rings for being located at the same side with the USB interface display go out device
Another output HDMI interface display is connected with by HDMI/DVI interface；The USB interface display another
Input terminal is connected with power-supply management system；The output end that more video input multiplex roles rings go out device listened CATe/ interface to connect
The input terminal of analog video receiving module is connect, and the output end of the analog video receiving module connects VGA by USB interface and connects
The input terminal of mouth display.
Preferably, further include various video input interface, various video while exporting, video signal long-distance transmission, and
Maximum resolution is 1080p, image split screen display available, monitoring and fault diagnosis function, adaptive resolution output function.
Preferably, the various video input interface includes VGA, DVI and HDMI.
Preferably, the various video output interface includes VGA, DVI, HDMI and HDBASET.
Preferably, the support video is transmitted as HDBASET transmission at a distance.
Preferably, the various video output interface replicates the display terminal for being shown in multiple and different positions simultaneously.
The beneficial effects of the invention are as follows：The present invention realizes while compatible various video interface input, supports various video
Signal exports simultaneously, a variety of input signal split screen display availables, and signal source multicopy is shown effective solution all the way and multichannel inputs
Signal tiled display problem provides a kind of solution of low cost for remote teaching, meeting, command system etc.；It can be real
The existing remote transmission of vision signal member；Optimum resolution can adaptively be exported；Support the input of various video format, various video
Duplication display, split screen display available output, there is good economic benefit and social benefit, are suitble to promote the use of.
Detailed description of the invention
Fig. 1 is present system module connection diagram；
Fig. 2 is control system schematic diagram of the invention；
Fig. 3 is that VGA vision signal of the invention exports flow chart；
Fig. 4 is that HDMI/DVI vision signal of the invention exports flow chart；
Fig. 5 is that automatic checkout equipment of the invention and adaptive resolution export flow chart.
In figure：1, video signal source, 2, more video input multiplex roles rings go out device, 3, power-supply management system, 4, HDMI connects
Mouth display, 5, USB interface display, 6, analog video receiving module, 7, USB interface display.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-5, a kind of multi-video interface input/output control system, including video signal source 1, the view
Frequency source signal 1 connects one of input terminal that more video input multiplex roles rings go out device 2 by VGA, DVI with HDMI interface,
And more video input multiplex roles rings go out device 2 one of output end pass through USB interface connect USB interface display 5；
The another output that the more video input multiplex roles rings for being located at the same side with the USB interface display 5 go out device 2 is logical
It crosses HDMI/DVI interface and is connected with HDMI interface display 4；Another input terminal of the USB interface display 5 is connected with electricity
Management system 3；The output end that more video input multiplex roles rings go out device 2 listened CAT5e/6 interface to connect analog video
The input terminal of receiving module 6, and the output end of the analog video receiving module 6 connects USB interface display by USB interface
7 input terminal.
As a kind of technical optimization scheme of the invention, further include various video input interface, various video at the same export,
Video signal long-distance transmission, and maximum resolution be 1080p, image split screen display available, monitoring and fault diagnosis function, from
Adapt to resolution ratio output function.
As a kind of technical optimization scheme of the invention, the various video input interface includes VGA, DVI and HDMI.
As a kind of technical optimization scheme of the invention, the various video output interface include VGA, DVI, HDMI and
HDBASET。
As a kind of technical optimization scheme of the invention, the support video is transmitted as HDBASET transmission at a distance.
As a kind of technical optimization scheme of the invention, the various video output interface simultaneously replicate be shown in it is multiple not
With the display terminal of position.
Video input/output interface circuit of the present invention is divided into video interface connector, interface electrostatic protector
It is anti-to be mainly used for video interface electrostatic by ESDALC6V1P3/RCLAMP0524PA.TCT, filter ACM2012H-900-2P-T00
Shield and filtering；The video processing converter of the video processing and conversion circuit is ARM+DSP, is mainly responsible for the video of input
Signal is pre-processed, is balanced, being lived again, Video Quality Metric, and video separated screen is simultaneously converted into the output of HDMI signal；The video multiplex electricity
The video multiplexer on road is PI3HDMI416X, is mainly responsible for and believes the HDMI signal multiplexing of video processor output at 4 road HDMI
It number exports simultaneously, to realize various video interface while show；The encoder of HDBaset coding transmitting line is
VS10XXX-TX is mainly responsible for HDMI signal being converted to HDBaset signal, is exported according to HDBaset specification, unexpectedly and real
The remote transmission of existing video；The converter of the HDMI conversion circuit is CH70XX-BFI, is mainly responsible for the conversion of HDMI signal
For the output of VGA signal；The control system signal link relationship is that vision signal accesses corresponding video interface, by pretreatment
Enter video processor ARM+DSP processing center after out and carry out respective handling and conversion, exports HDMI signal, HDMI signal is logical
It crosses HDMI multiplexer and realizes 1:4 output, export DVI all the way, export HDMI all the way, all the way by HDMI turn VGA export, all the way into
Enter HDBaset transmitter and realizes that distal end is transmitted；
Embodiment：
The control system can using with long-distance video teaching, video conference, command system, for example in marine system, add
Gu the vision signal VGA/DVI/HDMI of computer output is linked into control system of the present invention by corresponding video cables
Video input interface, then via control system of the present invention video output interface VGA/DVI/HMDI/HDBaset output to view
Frequency signal, VGA/DVI/HDMI vision signal are whole via the display at corresponding cable transmission leader table, indication control board, console
End is shown that HDBaset signal is transferred to meeting room and the command post of distal end by CAT5e/6 cable or optical fiber
HDBaset receiving module, is reconverted into that HDMI video is output to meeting room and the large-size screen monitors of command post are shown, for related personnel
It is watched, and assigns dependent instruction.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of multi-video interface input/output control system, including video signal source (1), it is characterised in that：The video letter
Number source (1) connects one of input terminal that more video input multiplex roles rings go out device (2) by VGA, DVI with HDMI interface,
And more video input multiplex roles rings go out device (2) one of output end pass through USB interface connect USB interface display
(5)；The more video input multiplex roles rings for being located at the same side with the USB interface display (5) go out another of device (2)
Output end is connected with HDMI interface display (4) by HDMI/DVI interface；Another of the USB interface display (5) is defeated
Enter end and is connected with power-supply management system (3)；The output end that more video input multiplex roles rings go out device (2) listened CAT5e/6
Interface connects the input terminal of analog video receiving module (6), and the output end of the analog video receiving module (6) passes through VGA
Interface connects the input terminal of USB interface display (7).
2. a kind of multi-video interface input/output control system according to claim 1, it is characterised in that：It further include a variety of
Video input interface, various video export simultaneously, video signal long-distance transmission, and maximum resolution is 1080p, image split screen
It has been shown that, monitoring and fault diagnosis function, adaptive resolution output function.
3. a kind of multi-video interface input/output control system according to claim 2, it is characterised in that：A variety of views
Frequency input interface includes VGA, DVI and HDMI.
4. a kind of multi-video interface input/output control system according to claim 2, it is characterised in that：A variety of views
Frequency output interface includes VGA, DVI, HDMI and HDBASET.
5. a kind of multi-video interface input/output control system according to claim 1, it is characterised in that：The support view
Frequency is transmitted as HDBASET transmission at a distance.
6. a kind of multi-video interface input/output control system according to claim 1, it is characterised in that：A variety of views
Frequency output interface replicates the display terminal for being shown in multiple and different positions simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874207.XA CN108924457A (en) | 2018-08-03 | 2018-08-03 | A kind of multi-video interface input/output control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810874207.XA CN108924457A (en) | 2018-08-03 | 2018-08-03 | A kind of multi-video interface input/output control system |
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| CN108924457A true CN108924457A (en) | 2018-11-30 |
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| CN201810874207.XA Pending CN108924457A (en) | 2018-08-03 | 2018-08-03 | A kind of multi-video interface input/output control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109451251A (en) * | 2018-11-20 | 2019-03-08 | 山东超越数控电子股份有限公司 | A kind of realization system of multi-path video frequency matrix switching |
| CN110958405A (en) * | 2019-11-22 | 2020-04-03 | 中船重工（武汉）凌久电子有限责任公司 | Ultra-high-definition display control system and method based on optical fiber encoding and decoding 4Kx2K |
| CN111163277A (en) * | 2020-01-14 | 2020-05-15 | 凯晖科技股份有限公司 | Video signal input/output switching device |
| CN111586332A (en) * | 2020-04-03 | 2020-08-25 | 西安万像电子科技有限公司 | Image transmission method, device and system |
| CN114143520A (en) * | 2021-11-29 | 2022-03-04 | 中船重工（武汉）凌久电子有限责任公司 | Method for realizing multi-path HDMI interface transmission and automatic correction |
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| WO2015020773A1 (en) * | 2013-08-09 | 2015-02-12 | Apple Inc. | Video data compression format |
| CN205510262U (en) * | 2016-03-07 | 2016-08-24 | 深圳市博胜电子技术有限公司 | High definition HDMI distributor |
| CN206790617U (en) * | 2017-05-23 | 2017-12-22 | 深圳市鸿哲智能系统工程有限公司 | A kind of 4K high definitions transmitter |
| CN207251790U (en) * | 2017-08-04 | 2018-04-17 | 深圳市东明炬创电子有限公司 | A kind of times of line switching transmitter |
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| CN202503587U (en) * | 2012-02-27 | 2012-10-24 | 株洲华通科技有限责任公司 | Video matrix device and video monitoring device |
| WO2015020773A1 (en) * | 2013-08-09 | 2015-02-12 | Apple Inc. | Video data compression format |
| CN205510262U (en) * | 2016-03-07 | 2016-08-24 | 深圳市博胜电子技术有限公司 | High definition HDMI distributor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109451251A (en) * | 2018-11-20 | 2019-03-08 | 山东超越数控电子股份有限公司 | A kind of realization system of multi-path video frequency matrix switching |
| CN110958405A (en) * | 2019-11-22 | 2020-04-03 | 中船重工（武汉）凌久电子有限责任公司 | Ultra-high-definition display control system and method based on optical fiber encoding and decoding 4Kx2K |
| CN111163277A (en) * | 2020-01-14 | 2020-05-15 | 凯晖科技股份有限公司 | Video signal input/output switching device |
| CN111586332A (en) * | 2020-04-03 | 2020-08-25 | 西安万像电子科技有限公司 | Image transmission method, device and system |
| CN114143520A (en) * | 2021-11-29 | 2022-03-04 | 中船重工（武汉）凌久电子有限责任公司 | Method for realizing multi-path HDMI interface transmission and automatic correction |
| CN114143520B (en) * | 2021-11-29 | 2023-09-26 | 中船重工（武汉）凌久电子有限责任公司 | Method for realizing multi-channel HDMI interface transmission and automatic correction |
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Application publication date: 20181130 |