CN107483848B - Single-screen signal double-source switching system in television wall - Google Patents
Single-screen signal double-source switching system in television wall Download PDFInfo
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- CN107483848B CN107483848B CN201710634264.6A CN201710634264A CN107483848B CN 107483848 B CN107483848 B CN 107483848B CN 201710634264 A CN201710634264 A CN 201710634264A CN 107483848 B CN107483848 B CN 107483848B
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- screen
- television
- weight value
- screens
- module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
Abstract
The invention discloses a single-screen signal double-source switching system in a television wall, which can realize the splicing of a plurality of adjacent television screens through a screen butting device in a splicing state, wherein a video data line of the television screen with a high weight value is used as a transmission line for a spliced display screen, and a control circuit of each television screen in the display screen is combined with the screen butting device. Therefore, the internal control circuits of the spliced display screens are combined, and file transmission is carried out externally through a unique transmission line. Therefore, the working principle of the display screen is similar to that of an independent television screen, the spliced display screen is guaranteed to work reliably, and each display screen is only connected with one effective data line by shielding part of video data lines, so that the signal conversion work of the whole television wall control system is simplified.
Description
Technical Field
The invention relates to the technical field of television walls, in particular to a single-screen signal double-source switching system in a television wall.
Background
The television wall is a common display tool, and the television wall is composed of a plurality of television screens, so that the television wall can be used by combining the television screens into a large screen or can be used as a plurality of screens separately during playing. However, the existing video wall must be adjusted in advance, and cannot be naturally switched in the playing process.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a single-screen signal double-source switching system in a television wall.
The invention provides a single-screen signal double-source switching system in a television wall, wherein the television wall is composed of a plurality of television screens, and each television screen is attached with a one-to-one corresponding weighted value;
a screen butt joint device is arranged between each pair of the neighboring television screens, and the screen butt joint device consists of a signal driver arranged on the television screen with a high weight value and a signal receiver arranged on the television screen with a low weight value; the signal receiver and the signal driver are both connected with a control circuit of the television screen where the signal receiver and the signal driver are located; each television screen is connected with a video data line;
the screen docking device has a splicing state and a dormant state; in a splicing state, the signal receiver is connected with the signal driver, the video data line of the television screen with a low weight value is dormant, and the television screen with the low weight value becomes an extension of the television screen with a high weight value; in a dormant state, the signal receiver and the signal driver are in open circuit, and the television screen with a low weight value and the television screen with a high weight value are mutually independent;
the switching system includes:
the human-computer interaction module is used for inputting an operation instruction;
the screen selecting module is internally preset with a plurality of screen modes, each screen mode comprises one or more display screens, and each display screen comprises one or more television screens; the screen selection module is respectively connected with the human-computer interaction module and each screen docking device; the screen selecting module is used for selecting a screen mode as a target screen according to the operation instruction and controlling each screen docking device to work according to the target screen;
the video storage module is used for acquiring and storing a video file to be played;
the playing control module is respectively connected with the screen selecting module, the video storage module and each video data line; the playing control module selects a video data line connected with a television screen with the highest weight value in each display screen as an effective data line according to the target screen;
and the playing control module controls each display screen to play the distributed video file through the effective data line.
Preferably, the human-computer interaction module can adopt a touch screen.
Preferably, the playing control module is used for allocating playing tasks of all display screens on the target screen in advance according to the target screen and the video file and transmitting the corresponding playing tasks through effective data lines corresponding to all the display screens.
According to the single-screen signal double-source switching system in the television wall, the splicing of a plurality of adjacent television screens can be realized through the screen butting device in the splicing state, the video data lines of the television screens with high weight values are used as transmission lines of the spliced display screens, and the control circuits of the television screens in the display screens are combined with the screen butting device. Therefore, the internal control circuits of the spliced display screens are combined, and file transmission is carried out externally through a unique transmission line. Therefore, the working principle of the display screen is similar to that of an independent television screen, the spliced display screen is guaranteed to work reliably, and each display screen is only connected with one effective data line by shielding part of video data lines, so that the signal conversion work of the whole television wall control system is simplified.
In the invention, after the screen selection module acquires the target screen, each display screen on the target screen is extracted; the screen selection module controls the screen butt-joint devices in the display screens to be switched to a splicing state and controls the screen butt-joint devices on the edges of the display screens to be switched to a dormant state. So as to realize the unification of the television screens in the display screens and the mutual independence between any two display screens.
Drawings
Fig. 1 is a schematic diagram of a control structure of a single-screen signal dual-source switching system in a television wall according to the present invention.
Detailed Description
Referring to fig. 1, the single-screen signal dual-source switching system in a television wall provided by the present invention includes a plurality of television screens, and each television screen is attached with a weight value corresponding to each other.
And a screen docking device is arranged between each pair of neighboring television screens, and consists of a signal driver arranged on the television screen with a high weight value and a signal receiver arranged on the television screen with a low weight value. The signal receiver and the signal driver are both connected with the control circuit of the television screen. Each television screen is connected with a video data line.
The screen docking device has a spliced state and a dormant state. Under the splicing state, the signal receiver is connected with the signal driver, the video data line of the television screen with the low weight value is dormant, and the television screen with the low weight value becomes the extension of the television screen with the high weight value. In this state, the television screen with a low weight value and the television screen with a high weight value form a complete display screen, and the display screen uses the video data line of the television screen with a high weight value as a transmission line. Therefore, the splicing of a plurality of adjacent television screens can be realized through the screen butt joint device in the splicing state, the video data line of the television screen with a high weight value is used as a transmission line for the spliced display screen, and the control circuit of each television screen in the display screen is combined with the screen butt joint device. Therefore, the internal control circuits of the spliced display screens are combined, and file transmission is carried out externally through a unique transmission line. Therefore, the working principle of the display screen is similar to that of an independent television screen, the spliced display screen is guaranteed to work reliably, and each display screen is only connected with one effective data line by shielding part of video data lines, so that the signal conversion work of the whole television wall control system is simplified.
In the dormant state, the signal receiver and the signal driver are in open circuit, and the television screen with the low weight value and the television screen with the high weight value are mutually independent. That is, the signal receiver of the screen docking device in the sleep state and the display screen where the signal driver is located do not interfere with each other.
The switching system includes:
and the human-computer interaction module is used for inputting an operation instruction.
The screen selecting module is internally preset with a plurality of screen modes, wherein the screen modes comprise one or more display screens, and each display screen comprises one or more television screens. Specifically, the display screen comprises a television screen, which means that the television screen works independently as a small screen; the display screen comprises a plurality of television screens, and the plurality of television screens are spliced into a large screen to work. The screen mode refers to a working mode of the television wall, and when the screen mode comprises a display screen, the television wall works as a whole large screen; when the screen mode comprises a plurality of display screens, the television wall is divided into a plurality of display screens to work, namely, a plurality of screens on the television wall are played simultaneously.
In this embodiment, the human-computer interaction module may be a touch screen, and thus, a plurality of screen modes stored in the screen selection module may be displayed on the touch screen for selection.
The screen selecting module is respectively connected with the man-machine interaction module and each screen butt joint device. The screen selecting module is used for selecting a screen mode as a target screen according to the operation instruction and controlling each screen docking device to work according to the target screen. Specifically, after the screen selection module acquires the target screen, each display screen on the target screen is extracted; the screen selection module controls the screen butt-joint devices in the display screens to be switched to a splicing state and controls the screen butt-joint devices on the edges of the display screens to be switched to a dormant state. So as to realize the unification of the television screens in the display screens and the mutual independence between any two display screens.
In one embodiment, the human-machine interaction module may also be a keyboard, and the panel selection module may include an L ED screen for displaying various planar modes.
And the video storage module is used for acquiring and storing the video file to be played.
And the playing control module is respectively connected with the screen selecting module, the video storage module and each video data line. And the playing control module selects the video data line connected with the television screen with the highest weight value in each display screen as an effective data line according to the target screen. And the playing control module controls each display screen to play the distributed video file through the effective data line.
Therefore, the playing control module distributes the playing tasks of all the display screens on the target screen surface in advance according to the target screen surface and the video file, and then transmits the corresponding playing tasks through the effective data lines corresponding to all the display screens, so that all the display screens work.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A single-screen signal double-source switching system in a television wall is characterized in that the television wall is composed of a plurality of television screens, and weighted values corresponding to the television screens one by one are attached to each television screen;
a screen butt joint device is arranged between each pair of the neighboring television screens, and the screen butt joint device consists of a signal driver arranged on the television screen with a high weight value and a signal receiver arranged on the television screen with a low weight value; the signal receiver and the signal driver are both connected with a control circuit of the television screen where the signal receiver and the signal driver are located; each television screen is connected with a video data line;
the screen docking device has a splicing state and a dormant state; in a splicing state, the signal receiver is connected with the signal driver, the video data line of the television screen with a low weight value is dormant, and the television screen with the low weight value becomes an extension of the television screen with a high weight value; in a dormant state, the signal receiver and the signal driver are in open circuit, and the television screen with a low weight value and the television screen with a high weight value are mutually independent;
the switching system includes:
the human-computer interaction module is used for inputting an operation instruction;
the screen selecting module is internally preset with a plurality of screen modes, wherein the screen modes are working modes of the television wall, each screen mode comprises one or more display screens, and each display screen comprises one or more television screens; the screen selection module is respectively connected with the human-computer interaction module and each screen docking device; the screen selecting module is used for selecting a screen mode as a target screen according to the operation instruction and controlling each screen docking device to work according to the target screen; the screen selection module controls the screen butt-joint devices in the display screens to be switched to a splicing state and controls the screen butt-joint devices on the edges of the display screens to be switched to a dormant state;
the video storage module is used for acquiring and storing a video file to be played;
the playing control module is respectively connected with the screen selecting module, the video storage module and each video data line; the playing control module selects a video data line connected with a television screen with the highest weight value in each display screen as an effective data line according to the target screen;
and the playing control module controls each display screen to play the distributed video file through the effective data line.
2. The single-screen signal dual-source switching system of claim 1, wherein the human-computer interaction module is a touch screen.
3. The single-screen signal dual-source switching system of claim 1, wherein the human-computer interaction module is a keyboard, and the screen selection module comprises L ED screen for displaying various screen modes.
4. The system for switching between single-screen and dual-source of signals in a television wall as claimed in claim 1, 2 or 3, wherein the playing control module is configured to allocate the playing tasks of the respective display screens on the target screen in advance according to the target screen and the video file, and transmit the corresponding playing tasks through the corresponding active data lines of the respective display screens.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710634264.6A CN107483848B (en) | 2017-07-29 | 2017-07-29 | Single-screen signal double-source switching system in television wall |
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| CN201710634264.6A CN107483848B (en) | 2017-07-29 | 2017-07-29 | Single-screen signal double-source switching system in television wall |
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| CN107483848A CN107483848A (en) | 2017-12-15 |
| CN107483848B true CN107483848B (en) | 2020-07-31 |
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| CN102243856A (en) * | 2010-05-13 | 2011-11-16 | 华为技术有限公司 | Method and device for dynamically switching screen data processing modes |
| CN102750931A (en) * | 2012-07-25 | 2012-10-24 | 广东威创视讯科技股份有限公司 | Method and device for adjusting conformity of spliced wall |
| CN104270626A (en) * | 2014-10-29 | 2015-01-07 | 宁波维真显示科技有限公司 | Glasses-free 3D joint wall jointing method |
| CN104333714A (en) * | 2014-10-28 | 2015-02-04 | 广东威创视讯科技股份有限公司 | Signal switching method and signal switching system of spliced wall |
| CN105867859A (en) * | 2016-03-25 | 2016-08-17 | 广东威创视讯科技股份有限公司 | A splicing wall window windowing method and device |
| CN106710517A (en) * | 2016-11-17 | 2017-05-24 | 西安诺瓦电子科技有限公司 | LED display screen correction method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102036027A (en) * | 2009-09-30 | 2011-04-27 | 鸿富锦精密工业（深圳）有限公司 | Control system and method for jointed television wall |
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2017
- 2017-07-29 CN CN201710634264.6A patent/CN107483848B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008118665A (en) * | 1997-10-07 | 2008-05-22 | Masanobu Kujirada | Slave-screen relative type multi-set joint type display system |
| CN102243856A (en) * | 2010-05-13 | 2011-11-16 | 华为技术有限公司 | Method and device for dynamically switching screen data processing modes |
| CN101901126A (en) * | 2010-07-12 | 2010-12-01 | 东北大学 | Method for controlling combined large-screen stream media playing computer |
| CN102750931A (en) * | 2012-07-25 | 2012-10-24 | 广东威创视讯科技股份有限公司 | Method and device for adjusting conformity of spliced wall |
| CN104333714A (en) * | 2014-10-28 | 2015-02-04 | 广东威创视讯科技股份有限公司 | Signal switching method and signal switching system of spliced wall |
| CN104270626A (en) * | 2014-10-29 | 2015-01-07 | 宁波维真显示科技有限公司 | Glasses-free 3D joint wall jointing method |
| CN105867859A (en) * | 2016-03-25 | 2016-08-17 | 广东威创视讯科技股份有限公司 | A splicing wall window windowing method and device |
| CN106710517A (en) * | 2016-11-17 | 2017-05-24 | 西安诺瓦电子科技有限公司 | LED display screen correction method |
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| CN107483848A (en) | 2017-12-15 |
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