CN210274290U - Multi-display device - Google Patents
Multi-display device Download PDFInfo
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- CN210274290U CN210274290U CN201921282922.0U CN201921282922U CN210274290U CN 210274290 U CN210274290 U CN 210274290U CN 201921282922 U CN201921282922 U CN 201921282922U CN 210274290 U CN210274290 U CN 210274290U
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Abstract
The utility model aims at providing a multi-display device, which comprises a display, a display output controller, a display control end and a display content output device, wherein the display is connected with the display output controller; the display output controller comprises three display input interfaces, three display output interfaces, a control unit and a communication interface for receiving an external control instruction; the display control end is used for sending the input signal to the display output controller; the display content output device is used for receiving data of an input signal source and comprises two input signal sources, three signal output interfaces and a main control unit. Has the advantages that: the multi-channel signal can be simultaneously accessed and simultaneously output, and the effects of multi-screen different display, multi-screen simultaneous display and multi-screen splicing display are achieved, and the display effect is enhanced.
Description
Technical Field
The utility model relates to a many displays show the field, especially relate to a many displays display device.
Background
At present, with the development of electronic technology, the technology of splicing displays has also become mature, and the size and number of the splices have been greatly improved, which are based on the improvement of the graphics card technology, but the cost is also increased. Especially for the display field of public transportation, it is impossible to use a relatively expensive display card due to limited space usage and relatively sensitive cost. Meanwhile, when a traditional spliced display works, a plurality of displays are expanded into a large display, each display displays a part of the whole picture, and each screen can not display independent pictures or spliced pictures.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a multi-display device, which comprises a display, a display output controller, a display control end and a display content output device, wherein the display is connected to the display output controller, the display control end is connected to the display output controller, the display output controller is connected to the display content output device, and the display is used for displaying output content;
the display output controller comprises three display input interfaces, three display output interfaces, a control unit and a communication interface for receiving an external control instruction;
the display control end is used for sending the input signal to the display output controller;
the display content output device is used for receiving data of an input signal source and comprises two input signal sources, three signal output interfaces and a main control unit.
Preferably, the multi-display device further comprises a signal source connected to the display content output device.
Preferably, the three-way display output interface of the display output controller may be one of DVI, VGA, HDMI, DP or MINIDP.
Preferably, the communication mode between the display control terminal and the display output controller may be ethernet, CAN bus or RS485 bus.
Preferably, the main control unit of the display content output device comprises an on-chip controller SOC, a field programmable gate array FPGA and a gigabit ethernet controller.
Preferably, the control unit of the display output controller comprises an on-chip controller SOC and three field programmable gate arrays FPGA.
Preferably, the display can be a liquid crystal display, and the resolution of the display is preferably 1280x720
The utility model has the advantages that: the multi-channel signal can be simultaneously accessed and simultaneously output, and the effects of multi-screen different display, multi-screen simultaneous display and multi-screen splicing display are achieved, and the display effect is enhanced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of three display modes.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The following embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, a multi-display device includes: the display 100, the display output controller 200, the display control end 300, the display content output device 400, the display output controller 200 includes three display input interfaces, three display output interfaces, a control unit and a communication interface for receiving external control commands, the display content output device 400 includes two input signal sources, three signal output interfaces and a main control unit, the control unit of the display output controller 200 receives the control commands of the display control end 300 through the communication interface to control the display contents output by the three display output interfaces, the display content output device 400 receives the data of the input signal sources, and after internal processing, the three data input interfaces are connected to the three data input interfaces of the display output controller through the three output interfaces, so that the purpose of displaying the input signals to the display in a proper mode through the control instruction is fulfilled.
The display content output apparatus 400 receives and processes the data of the signal sources 500,501, and outputs the data to a first output interface, a second output interface, and a third output interface of the display content output apparatus 400, where the first output interface includes one path of independent LVDS signal, the second output interface includes 2 paths of independent LVDS signals, and the third output interface includes one path of independent LVDS signal, but the resolution of an image included in the path of signal is 3 times that of an image of the LVDS signal output by the first output interface, and the signal source 1 and the signal source 2 of the signal sources 500,501 may be a file stored locally by a device or data transmitted through an external network.
The display output controller 300 includes three input interfaces, i.e., a first input interface, a second input interface, and a third input interface, each of which is connectable to three corresponding output interfaces of the display content output apparatus 400, and the display output controller 300 further includes three output interfaces, i.e., a first output interface, a second output interface, and a third output interface, each of which is connectable to a display.
The display control terminal 300 sends a first control signal, a second control signal and a third control signal to the display output controller 200, and when the display output controller 200 receives the first control signal sent by the display control terminal 300, the display output controller 200 processes one path of LVDS signal of the first input interface and two paths of LVDS signals of the second input interface and sends the processed signals to the three paths of output interfaces respectively, so as to achieve the multi-screen display effect shown in a in fig. 2; when the display output controller 200 receives the second control signal sent by the display control terminal 300, the display output controller 200 processes one LVDS signal of the first input interface and sends the processed one LVDS signal to three output interfaces at the same time, so as to achieve the multi-screen simultaneous display effect shown as B in fig. 2; when the display output controller 200 receives the third control signal sent by the display control terminal 300, the display output controller 200 processes one LVDS signal of the third input interface and sends the processed one LVDS signal to the three output interfaces, respectively, so as to achieve the multi-screen splicing display effect shown in C in fig. 2.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A multi-display device is characterized by comprising a display, a display output controller, a display control end and a display content output device, wherein the display is connected with the display output controller, the display control end is connected with the display output controller, the display output controller is connected with the display content output device,
the display is used for displaying output content;
the display output controller comprises three display input interfaces, three display output interfaces, a control unit and a communication interface for receiving an external control instruction;
the display control end is used for sending the input signal to the display output controller;
the display content output device is used for receiving data of an input signal source and comprises two input signal sources, three signal output interfaces and a main control unit.
2. The multi-display device of claim 1, further comprising a signal source connected to the display content output device.
3. The multi-display device of claim 1, wherein the three-way display output interface of the display output controller is one of DVI, VGA, HDMI, DP or MINIDP.
4. The multi-display device of claim 1, wherein the communication means between the display control terminal and the display output controller is ethernet, CAN bus or RS485 bus.
5. The multi-display device of claim 1, wherein the main control unit of the display content output device comprises an on-chip controller SOC, a field programmable gate array FPGA, and a gigabit ethernet controller.
6. The multi-display device of claim 1, wherein the control unit of the display output controller comprises one on-chip controller SOC and three field programmable gate arrays FPGAs.
7. The multi-display device of claim 1, wherein the display is a liquid crystal display, and the display has a resolution of 1280x 720.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282922.0U CN210274290U (en) | 2019-08-08 | 2019-08-08 | Multi-display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282922.0U CN210274290U (en) | 2019-08-08 | 2019-08-08 | Multi-display device |
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| CN210274290U true CN210274290U (en) | 2020-04-07 |
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| CN201921282922.0U Active CN210274290U (en) | 2019-08-08 | 2019-08-08 | Multi-display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116567161A (en) * | 2023-05-11 | 2023-08-08 | 北京华美讯通科技有限公司 | Graphic display terminal |
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2019
- 2019-08-08 CN CN201921282922.0U patent/CN210274290U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116567161A (en) * | 2023-05-11 | 2023-08-08 | 北京华美讯通科技有限公司 | Graphic display terminal |
| CN116567161B (en) * | 2023-05-11 | 2024-03-26 | 北京华美讯通科技有限公司 | Graphic display terminal |
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