CN110633063A - Control framework of all-in-one LED display screen - Google Patents
Control framework of all-in-one LED display screen Download PDFInfo
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- CN110633063A CN110633063A CN201910900156.8A CN201910900156A CN110633063A CN 110633063 A CN110633063 A CN 110633063A CN 201910900156 A CN201910900156 A CN 201910900156A CN 110633063 A CN110633063 A CN 110633063A
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- display screen
- video
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- 230000003993 interaction Effects 0.000 claims description 47
- 230000008054 signal transmission Effects 0.000 claims description 18
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention provides a control framework of an all-in-one LED display screen, which comprises a main control card and display modules, wherein the display modules are spliced into a screen body, and each display module is internally provided with a receiving card; the plurality of main control cards are arranged in the screen body and are connected in series, and each main control card is connected with at least one receiving card in series; the main control card is provided with a video signal receiving unit. According to the invention, the plurality of main control cards are arranged in the screen body, display can be realized without an external control box, the exposure of wires is reduced, and the environment of an application scene is kept neat; the use of wires can be further reduced by series connection; the core card is installed in the screen body, and an operating system is written in the core card, so that the core card can be used as a video source, and display can be realized without an external video source.
Description
Technical Field
The invention relates to the technical field of LED display, in particular to a control framework of an all-in-one machine LED display screen.
Background
As shown in fig. 1, a conventional LED display screen control architecture includes a video source, a control box and a screen body. The video source is generally a computer, the control box comprises a main control card and a sending card, the screen body is formed by splicing a plurality of display modules, and each display module is provided with a receiving card. When the LED display screen operates, the video source sends video signals to the control box, and the control box processes the video signals and sends the video signals to the screen body, so that video display is achieved.
Therefore, the traditional LED display screen can display by being provided with an external video source and a control box except the screen body. In the practical application scene, all need a lot of wire rods to carry out video signal transmission between video source and the control box, between the screen body and the control box, simultaneously, video source, its self also need a lot of wire rods to supply power of control box. A plurality of exposed wires not only can cause the low assembly efficiency of the LED display screen and have high failure rate, but also cause the environment disorder of the application scene, influence the beauty and easily trip over the pedestrians.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a control framework of an all-in-one machine LED display screen according to the defects of the prior art, which can reduce the use of wires, improve the assembly efficiency of the LED display screen and keep the environment of an application scene clean.
The technical scheme of the invention is as follows:
the control framework of the all-in-one LED display screen comprises a main control card and display modules, wherein the display modules are spliced into a screen body, and a receiving card is arranged in each display module; the plurality of main control cards are arranged in the screen body and are connected in series, and each main control card is connected with at least one receiving card in series; the main control card is provided with a video signal receiving unit.
Furthermore, a plurality of the main control cards are connected in series through an HDMI line, and the main control cards and the receiving cards are connected in series through network cables or optical fibers.
Furthermore, a plurality of the main control cards are respectively installed in the display modules in one-to-one correspondence.
According to the scheme, the video card also comprises a video source, and the video source transmits video signals with any main control card through the video signal receiving unit.
According to the scheme, the video source and the human-computer interaction input device are further included, the video source carries out video signal transmission with any one of the main control cards through the video signal receiving unit, and the human-computer interaction input device carries out human-computer interaction signal transmission with the video source through any one of the main control cards
According to the scheme, the system also comprises a core card and a man-machine interaction input device; the core card is installed in the screen body and written with an operating system, the core card carries out video signal transmission with any one main control card through a video signal receiving unit, and the human-computer interaction input equipment carries out human-computer interaction signal transmission with the core card through any one main control card.
According to the scheme, the system also comprises a core card, a video source and a human-computer interaction input device; the core card is installed in the screen body and written with an operating system; the core card and the video source transmit video signals with any one or two main control cards through a video signal receiving unit; and the human-computer interaction input equipment performs human-computer interaction signal transmission with a video source or a core card through any one of the master control cards.
Furthermore, the core card and any one of the master control cards are installed in the same display module.
Further, the human-computer interaction input device is composed of any one or more of a mouse, a remote controller, an infrared frame, a keyboard, a touch screen and a handwriting board.
Compared with the prior art, the invention has the following beneficial effects: (1) the plurality of main control cards are arranged in the screen body, display can be realized without an external control box, exposure of wires is reduced, and the environment of an application scene is kept neat; (2) the use of wires can be further reduced by series connection, so that the assembly efficiency of the LED display screen is improved, the back of the screen body can be kept clean, and the disassembly and maintenance of operators are facilitated; (3) the core card is arranged in the screen body, and the operating system is written in the core card, so that the core card can be used for replacing a video source, display can be realized without an external video source, and the use and exposure of wires are further reduced; (4) the man-machine interaction input equipment can realize the man-machine interaction function between a user and a video source and between the user and the core card, and is convenient for the user to use; (5) the display module comprises a box body for installing the main control card, the distribution card and the core card, and the box body has only two material numbers, so that the production, the management and the control and the after-sale maintenance are convenient.
Drawings
Fig. 1 is a schematic structural diagram of a conventional LED display screen control architecture.
Fig. 2 is a schematic structural diagram of the first embodiment.
Fig. 3 is a schematic structural diagram of the second embodiment.
Fig. 4 is a schematic structural diagram of the third embodiment.
Fig. 5 is a schematic structural diagram of the fourth embodiment.
Reference numerals
10-main control card, 30-display module, 40-receiving card, 50-core card, 60-infrared frame and 70-video source.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment:
as shown in fig. 2, a first embodiment of the control architecture of the all-in-one machine LED display screen provided by the present invention includes a main control card 10 and a display module 30. Sixteen display modules 30 are spliced into a screen body in a 4-by-4 manner, and a receiving card 40 is arranged in each display module 30. The main control card 10 is provided with a video signal receiving unit. The video signal receiving unit is any one or more of VGA, DVI and HDMI. In the first embodiment, the video signal receiving unit is preferably HDMI.
Four main control cards 10 are installed in the screen body and connected in series, and each main control card 10 is connected with four receiving cards 40 in series. The four main control cards 10 are connected in series through an HDMI cable, and the main control card 10 is connected in series through an optical fiber with the receiving card 40.
The four main control cards 10 are sequentially installed in the four display modules 30 at the bottom from left to right.
The first embodiment further includes a video source 70, and the video source 70 performs video signal transmission with any one of the main control cards 10 through a video signal receiving unit.
The first embodiment operates as follows: the video source 70 inputs a video signal, the main control card 10 divides the video signal and transmits the divided video signal to other main control cards 10, the main control card 10 divides the obtained video signal again and transmits the divided video signal to each receiving card 40, and the display module 30 displays a picture according to the obtained video signal.
Second embodiment:
as shown in fig. 3, a second embodiment of the present invention provides a novel control architecture for an all-in-one LED display screen. The positional relationship and the connection relationship among the main control card, the display module and the receiving card in the second embodiment are the same as those described in the first embodiment.
The second embodiment is different from the first embodiment in that: the second embodiment includes a video source 70 and a human interaction input device. The video source 70 performs video signal transmission with any one of the main control cards 10 through the video signal receiving unit, and the human-computer interaction input device performs human-computer interaction signal transmission with the video source 70 through any one of the main control cards 10.
The human-computer interaction input device is an infrared frame 60, and the infrared frame 60 is arranged at the edge of the screen body and serves as a touch source.
The second embodiment operates as follows: the video source 70 inputs a video signal, the main control card 10 divides the video signal and transmits the video signal to other main control cards 10, the main control card 10 divides the obtained video signal again and transmits the video signal to each receiving card 40, and the display module 30 displays a picture according to the obtained video signal; the infrared frame 60 acquires an operation instruction of a user and converts the operation instruction into a man-machine interaction signal, the main control card 10 transmits the man-machine interaction signal to the video source 70, and the video source 70 operates according to the acquired man-machine interaction signal.
The third embodiment:
as shown in fig. 4, a third embodiment of the present invention provides a novel control architecture of an all-in-one LED display screen. The positional relationship and the connection relationship among the main control card, the display module, and the receiving card in the third embodiment are the same as those described in the first embodiment.
The third embodiment is different from the first embodiment in that: the third embodiment comprises a core card 50 and a man-machine interaction input device; the core card 50 is installed in the screen body and written with an operating system, the core card 50 performs video signal transmission with any one of the main control cards 10 through a video signal receiving unit, and the human-computer interaction input device performs human-computer interaction signal transmission with the core card 50 through any one of the main control cards 10.
The core card 50 and any one of the main control cards 10 are installed in the same display module 30. The human-computer interaction input device is an infrared frame 60, and the infrared frame 60 is arranged at the edge of the screen body and serves as a touch source.
The third embodiment operates as follows: the core card 50 inputs video signals, the main control card 10 divides the video signals and transmits the video signals to other main control cards 10, the main control card 10 divides the obtained video signals again and transmits the video signals to each receiving card 40, and the display module 30 displays pictures according to the obtained video signals; the infrared frame 60 obtains an operation instruction of a user and converts the operation instruction into a man-machine interaction signal, the main control card 10 transmits the man-machine interaction signal to the core card 50, and the core card 50 operates according to the obtained man-machine interaction signal.
The fourth embodiment:
as shown in fig. 5, a fourth embodiment of the present invention provides a novel control architecture of an all-in-one LED display screen. The positional relationship and the connection relationship among the main control card, the display module, and the receiving card in the fourth embodiment are the same as those described in the first embodiment.
The fourth embodiment is different from the first embodiment in that: the fourth embodiment comprises a core card 50, a video source 70 and a man-machine interaction input device; the core card 50 is installed in the screen body and written with an operating system; the core card 50 and the video source 70 respectively perform video signal transmission with any one of the main control cards 10 through the video signal receiving unit; the human-computer interaction input device performs human-computer interaction signal transmission with the video source 70 or the core card 50 through any one of the main control cards 10.
The core card 50 and any one of the main control cards 10 are installed in the same display module 30. The human-computer interaction input device is an infrared frame 60, and the infrared frame 60 is arranged at the edge of the screen body and serves as a touch source.
The fourth embodiment operates as follows:
(1) when any one of the core card 50 and the video source 70 serves as a video signal input device, the main control card 10 divides the video signal and transmits the video signal to the other main control cards 10, the main control card 10 divides the obtained video signal again and transmits the video signal to each receiving card 40, and the display module 30 displays a picture according to the obtained video signal; the infrared frame 60 obtains an operation instruction of a user and converts the operation instruction into a man-machine interaction signal, the main control card 10 transmits the man-machine interaction signal to the video signal input device, and the video signal input device operates according to the obtained man-machine interaction signal.
(2) When the core card 50 and the video source 70 input video signals simultaneously, the main control card 10 preferentially divides the video signals of the video source 70 and transmits the video signals to other main control cards 10, the main control card 10 divides the obtained video signals again and transmits the video signals to each receiving card 40, and the display module 30 displays pictures according to the obtained video signals; the infrared frame 60 acquires an operation instruction of a user and converts the operation instruction into a man-machine interaction signal, the main control card 10 transmits the man-machine interaction signal to the video source 70, and the video source 70 operates according to the acquired man-machine interaction signal.
It should be noted that, in the above embodiments: the video signal receiving unit can be a wireless receiving module or a video signal interface; the video source 70 may be a computer, tablet, video player, cell phone, or other type of video source; the operating system can be an android system, a Windows system, a Hongmon system or other types of operating systems; the human-computer interaction input equipment is composed of any one or more of a mouse, a remote controller, an infrared frame, a keyboard, a touch screen and a handwriting board, and can be selected according to the requirements of users; meanwhile, the signal connection between the human-computer interaction input equipment and the main control card can be wireless connection or wired connection; and the position relationship between the main control card 10 and the core card 50 can be adjusted according to actual needs.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (9)
1. The control framework of the all-in-one LED display screen comprises a main control card and display modules, wherein the display modules are spliced into a screen body, and a receiving card is arranged in each display module; the method is characterized in that: the plurality of main control cards are arranged in the screen body and are connected in series, and each main control card is connected with at least one receiving card in series; the main control card is provided with a video signal receiving unit.
2. The control architecture of the all-in-one LED display screen of claim 1, wherein: the master control cards are connected in series through HDMI lines, and the master control cards are connected in series with the receiving cards through network cables or optical fibers.
3. The control architecture of the all-in-one LED display screen of claim 1, wherein: the plurality of main control cards are respectively installed in the display module groups in one-to-one correspondence.
4. The control architecture of the all-in-one LED display screen of claim 1, wherein: the video source transmits video signals with any one of the main control cards through the video signal receiving unit.
5. The control architecture of the all-in-one LED display screen of claim 1, wherein: the video source carries out video signal transmission with any main control card through the video signal receiving unit, and the human-computer interaction input device carries out human-computer interaction signal transmission with the video source through any main control card.
6. The control architecture of the all-in-one LED display screen of claim 1, wherein: the system also comprises a core card and a man-machine interaction input device; the core card is installed in the screen body and written with an operating system, the core card carries out video signal transmission with any one main control card through a video signal receiving unit, and the human-computer interaction input equipment carries out human-computer interaction signal transmission with the core card through any one main control card.
7. The control architecture of the all-in-one LED display screen of claim 1, wherein: the system also comprises a core card, a video source and a man-machine interaction input device; the core card is installed in the screen body and written with an operating system; the core card and the video source transmit video signals with any one or two main control cards through a video signal receiving unit; and the human-computer interaction input equipment performs human-computer interaction signal transmission with a video source or a core card through any one of the master control cards.
8. The control architecture of the all-in-one LED display screen according to claim 6 or 7, characterized in that: the core card and any one of the main control cards are arranged in the same display module.
9. The control architecture of the all-in-one LED display screen according to any one of claims 5 to 7, characterized in that: the human-computer interaction input equipment is composed of one or more of a mouse, a remote controller, an infrared frame, a keyboard, a touch screen and a handwriting board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900156.8A CN110633063A (en) | 2019-09-23 | 2019-09-23 | Control framework of all-in-one LED display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910900156.8A CN110633063A (en) | 2019-09-23 | 2019-09-23 | Control framework of all-in-one LED display screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111930327A (en) * | 2020-07-27 | 2020-11-13 | 苏州仰邦软件科技有限公司 | LED mirror screen display method and device |
| CN112530364A (en) * | 2020-12-11 | 2021-03-19 | 东莞阿尔泰显示技术有限公司 | Control system of all-in-one LED display screen |
| CN112599080A (en) * | 2020-12-17 | 2021-04-02 | 深圳Tcl数字技术有限公司 | Display device, display device control method and display terminal |
| CN114255670A (en) * | 2021-12-17 | 2022-03-29 | 杭州海康威视数字技术股份有限公司 | LED display screen and spliced display screen |
-
2019
- 2019-09-23 CN CN201910900156.8A patent/CN110633063A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111930327A (en) * | 2020-07-27 | 2020-11-13 | 苏州仰邦软件科技有限公司 | LED mirror screen display method and device |
| CN112530364A (en) * | 2020-12-11 | 2021-03-19 | 东莞阿尔泰显示技术有限公司 | Control system of all-in-one LED display screen |
| CN112599080A (en) * | 2020-12-17 | 2021-04-02 | 深圳Tcl数字技术有限公司 | Display device, display device control method and display terminal |
| CN114255670A (en) * | 2021-12-17 | 2022-03-29 | 杭州海康威视数字技术股份有限公司 | LED display screen and spliced display screen |
| CN114255670B (en) * | 2021-12-17 | 2024-01-02 | 杭州海康威视数字技术股份有限公司 | LED display screen and spliced display screen |
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