CN103258519A - Display control system with changeable display configurations - Google Patents
Display control system with changeable display configurations Download PDFInfo
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- CN103258519A CN103258519A CN2012104221818A CN201210422181A CN103258519A CN 103258519 A CN103258519 A CN 103258519A CN 2012104221818 A CN2012104221818 A CN 2012104221818A CN 201210422181 A CN201210422181 A CN 201210422181A CN 103258519 A CN103258519 A CN 103258519A
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Abstract
The invention relates to the technical field of display, in particular to a display control system. The display control system with changeable display configurations comprises a display screen and a control module, wherein the control module comprises a micro processor system which is connected with a display output interface through a display output circuit, the micro processor system is connected with an information input interface through an information input circuit, the display output interface is used for being connected with the display screen, and the information input interface is used for being connected with an external control device. According to the technical scheme, signal transmission is simple, convenient and reliable, and the control module is suitable for being used on display screens of various resolution ratios.
Description
Technical field
The present invention relates to the display technique field, be specifically related to a kind of display control program.
Background technology
Along with the progress of multimedia display technology, utilize display screen with the comprehensive multi-media display system that represents such as enterprises propagandist, real-time informing in application such as industrial trade, track traffic, medical and beauty treatment, elevator multimedia, advertisement media industries.Multi-media display system is combined into program with audio frequency and video, picture, animation, text, document, webpage, Streaming Media, database data etc. usually, and real-time being pushed to of the program of making be distributed on everywhere the medium display terminal, and from picture, real-time information etc. is presented in various places.
In the existing multi-media display system, integrate control module and network communication module at the medium display terminal usually, so that real-time update shows information.But this medium display terminal is expensive usually, the Installation and Debugging inconvenience.When update displayed information, also need to utilize Internet resources, exist network security, speed of download to wait problem slowly.In addition, the control module in the medium display terminal all is to dispose one by one with display screen usually, and control module can't be used for the display screen of other specifications, has the limited problem of using.
Summary of the invention
The objective of the invention is to, provide a kind of demonstration configuration can more change-based display control program, solve above technical matters.
Technical matters solved by the invention can realize by the following technical solutions:
Show that configuration can more change-based display control program, comprise a display screen, a control module that is connected with described display screen, it is characterized in that, described control module comprises a microprocessor system, described microprocessor system connects one and shows output interface, described microprocessor system connects an information input interface, and described demonstration output interface is used for connecting described display screen, and described information input interface is used for connecting external control devices;
Described external control devices sends demonstration information to described microprocessor system by the information input interface, after described microprocessor system will show that information via is handled, will show that signal sends described display screen to by the demonstration output interface, shows.
The present invention adopts the form of interface that external control devices and control module are carried out wired connection, the change that external control devices disposes various demonstrations in the control module by the plain mode realization that says the word is so that control module adapts to the demonstration of different display screens.
Described information input interface can adopt serial line interface, and described external control devices is by serial ports and described microprocessor system communication.Described serial line interface can adopt the RS232 interface, also can adopt the RS485 interface.The serial line interface form is suitable for telecommunication, and with low cost, disturb little.
Described information input interface can adopt Ethernet interface, and described external control devices is by Ethernet and described microprocessor system communication.The communication protocol of Ethernet is general, and compatible good, the external control devices of access network based on ethernet is the Long-distance Control control module easily, and transmission information is given control module.
Described information input interface can adopt the CAN bus interface, and described external control devices is by bus communication mode and described microprocessor system communication.The CAN bus mode makes that total system is simple in structure, system extension is good, is convenient to maintenance and safeguards.
Described demonstration information comprises and shows that configuration information and displaying contents information, described demonstration configuration information comprise at least a in the type, resolution, communication interface type, control command of described display screen; Described displaying contents information comprises at least a in the information of Showing Picture, the character library;
Described external control devices sends described demonstration configuration information and described displaying contents information to described microprocessor system by the information input interface, described microprocessor system obtains the configuration information of described display screen, determine to the demonstration information of display screen transmission according to the configuration information of described display screen, so that compatible dissimilar display screens.
Described microprocessor system connects a crystal clock module (RTC).The external clock that the present invention adopts, lower, the stable clock signal of cost realizes that the display effect of control display screen is good.
Described microprocessor system connects a memory module, and described microprocessor system is stored in demonstration configuration information and the displaying contents information that described external control devices transmits in the memory module;
The information of Showing Picture in the described displaying contents information is the pictorial information of 320*240 ~ 1920*1080 resolution.So that the present invention adapts to all kinds of display screens of different resolution.
The control circuit board of described control module and the separate setting of described display screen, described control circuit board is arranged on outside the described display screen, and described display screen is connected by signal wire with the demonstration output interface of described control module.The control module of traditional display screen usually and display screen be embedded in the same shell, design of the present invention, display screen and control module is separate, connect by signal wire between the two, such advantage is, control module can be controlled a plurality of display screens simultaneously by showing output interface, and a plurality of display screens can show same picture, also can show different pictures.Such design also is convenient to display screen and control module and is safeguarded separately separately and keep in repair when follow-up use is of the present invention.In addition, display screen and control module arrange separately respectively, when installation is of the present invention, also have the convenient transportation of carrying, and advantages such as simple are installed.
Described control module connects described demonstration output interface by a driver module (FPGA module), and described driver module also connects a cache module.Driver module integrated level height, reliability are good, can adopt the different modes that becomes to realize the different configuration modes of display screen, produce different circuit functions so that show output interface, are fit to the display screen of different size.
Described microprocessor system also connects at least two expansion interfaces that are used for expansion.
Described demonstration output interface can adopt the TTL interface circuit of TTL interface shape.
Described demonstration output interface also can adopt the LVDS interface circuit of single LVDS or two LVDS forms.
Described microprocessor system preferably adopts the microprocessor system based on the ARM system.
Beneficial effect: owing to adopt technique scheme, signal transmission of the present invention is simple, convenient, reliable, and control module is applicable to the display screen of various resolution.
Description of drawings
Fig. 1 is a kind of connection diagram of the present invention;
Fig. 2 is circuit diagram of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, further set forth the present invention below in conjunction with concrete diagram.
With reference to Fig. 1, Fig. 2, show that configuration can more change-based display control program, comprise a display screen 1, a control module 2 that is connected with display screen 1, control module 2 comprises a microprocessor system 21, the microprocessor system that microprocessor system 21 adopts based on the ARM system.Microprocessor system 21 connects one by a display output circuit and shows output interface 24, microprocessor system 21 connects an information input interface 22 by an input circuit, show that output interface 24 is used for connecting display screen 1, information input interface 22 is used for connecting external control devices 3.The usually built-in demonstration processing module that is used for lighting display screen 1 shows that processing module also is provided with interface in the display screen 1, by signal connecting line display screen 1 and demonstration output interface 24 is connected.External control devices 3 sends demonstration information to microprocessor system 21 by information input interface 22, after microprocessor system 21 will show that information via is handled, will show that signal by showing that output interface 24 sends display screen 1 to, shows.The present invention adopts the form of interface that external control devices 3 and control module 2 are carried out wired connection, and the plain mode that external control devices 3 says the word by serial ports is realized the control to control module 2, and then the demonstration of control display screen 1.The present invention adopts the form of interface that external control devices 3 and control module 2 are carried out wired connection, the change that external control devices 3 disposes various demonstrations in the control module 2 by the plain mode realization that says the word is so that control module 2 adapts to the demonstration of different display screens.
Show that output interface 24 can adopt the TTL interface circuit of TTL interface shape.Show that output interface 24 also can adopt the LVDS interface circuit of single LVDS or two LVDS forms.Show that output interface 24 can adopt at least two, at least two show that output interface 24 can be same-interface, also can be dissimilar interfaces, so that can compatible dissimilar display screens.
Demonstration information comprises and shows configuration information and displaying contents information, shows that configuration information comprises at least a in the type, resolution, communication interface type, control command of display screen 1.Displaying contents information comprises at least a in the information of Showing Picture, the character library.External control devices 3 will show that by information input interface 22 configuration information and displaying contents information send microprocessor system 21 to, microprocessor system 21 obtains the configuration information of display screen 1, determine to the demonstration information of display screen 1 transmission according to the configuration information of display screen 1, so that compatible dissimilar display screens 1.The type of display screen 1 can comprise the size of display screen, and resolution comprises all kinds of resolution of 320*240 ~ 1920*1080, and the communication interface type comprises TTL interface, single LVDS or two LVDS interface, and control command comprises display mode etc.In display screen 1 production run, each display screen all has self specific visual angle, the visual angle of each display screen 1 is respectively to different, therefore when display screen 1 is installed, according to the installation site difference of display screen 1, just to put may appear in display screen 1,90 ° of placements, 180 ° are placed or 270 ° of placement situations.After sending display mode to microprocessor system 21 by external control devices 3, the angles of microprocessor system 21 corresponding change displaying contents.Realize display screen 1 flip displays.
The control circuit board of control module 2 and display screen 1 separate setting, control circuit board is arranged on outside the display screen 1, and the demonstration output interface of display screen 1 and control module 2 24 is connected by signal wire.The control module 2 of traditional display screen 1 usually and display screen 1 be embedded in the same shell, design of the present invention, display screen 1 and control module 2 is separate, connect by signal wire between the two, such advantage is, control module 2 can be controlled a plurality of display screens 1 simultaneously by showing output interface 24, and a plurality of display screens 1 can show same picture, also can show different pictures.Such design also is convenient to display screen 1 and control module 2 and is safeguarded separately separately and maintenance when follow-up use is of the present invention.In addition, display screen 1 arranges separately respectively with control module 2, when installation is of the present invention, also has the convenient transportation of carrying, and advantages such as simple are installed.
Control module 2 connects by a driver module 23 and shows output interface 24, and driver module 23 also connects a cache module 27.Driver module 23 integrated level height, reliability are good, can adopt the different modes that becomes to realize the different configuration modes of display screen 1, produce different circuit functions so that show output interface 24, are fit to the display screen 1 of different size.Driver module 23 can adopt 24bit RGB chip, so that compatible 16bit and 24bit RGB.
For the ease of expansion the present invention, microprocessor system 21 also connects at least two expansion interfaces.In addition, the present invention also is provided with battery, and the output terminal of battery connects crystal clock module 25.
The present invention in use, 1) external control devices 3 can adopt host computer, portable notebook, PDA, panel computer or mobile phone etc., external control devices 3 is provided with a kind of in serial line interface, Ethernet interface, the CAN bus interface, be connected with information input interface 22 by wired mode, by external control devices 3 demonstration information is sent to control module 2, the microprocessor system 21 of control module 2 is according to the display command information in the demonstration information, demonstration information is handled and stored, be configured to the Presentation Function that the user needs.Design of the present invention can reduce the work of the microprocessor system 21 of control module, and microprocessor system 21 shows control according to the demonstration information of storage to display screen 1.
2) will show that by signal wire output interface 24 is connected with display interface on the display screen 1.
3) energising work, display screen 1 shows the audio frequency and video picture that needs.
After external control devices 3 connects with microprocessor system 21, microprocessor system 21 communicates with external control devices 3, memory module 26 stores indicating template, microprocessor system 21 can send to indicating template external control devices 3, the user by external control devices 3 can be autonomous the adjustment display interface, the user also can adopt external control devices 3 self-control display modules, is sent in the microprocessor system 21, in the storage in the memory module 26, in order to show.Can comprise audio frequency and video viewing area, copy editor's frame etc. in the indicating template.The user also can be by inserting audio frequency and video in the displaying contents in the external control devices 3, external control devices 3 sends audio/video information to microprocessor system 21, microprocessor system 21 adopts picture and text superimposing techniques or audio frequency superimposing technique that audio frequency and video are added in the displaying contents, realizes the personalized purpose that shows.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. show that configuration can more change-based display control program, comprise a display screen, a control module that is connected with described display screen, it is characterized in that, described control module comprises a microprocessor system, described microprocessor system connects one and shows output interface, described microprocessor system connects an information input interface, and described demonstration output interface is used for connecting described display screen, and described information input interface is used for connecting external control devices;
Described external control devices sends demonstration information to described microprocessor system by the information input interface, after described microprocessor system will show that information via is handled, will show that signal sends described display screen to by the demonstration output interface, shows.
2. demonstration according to claim 1 configuration can more change-based display control program, it is characterized in that described information input interface adopts serial line interface, and described external control devices is by serial ports and described microprocessor system communication.
3. demonstration according to claim 1 configuration can more change-based display control program, it is characterized in that described information input interface adopts Ethernet interface, and described external control devices is by Ethernet and described microprocessor system communication.
4. demonstration according to claim 1 configuration can more change-based display control program, it is characterized in that described information input interface adopts the CAN bus interface, and described external control devices is by bus communication mode and described microprocessor system communication.
5. can more change-based display control program according to claim 1,2,3 or 4 described demonstrations configuration, it is characterized in that, described demonstration information comprises and shows that configuration information and displaying contents information, described demonstration configuration information comprise at least a in the type, resolution, communication interface type, control command of described display screen; Described displaying contents information comprises at least a in the information of Showing Picture, the character library;
Described external control devices sends described demonstration configuration information and described displaying contents information to described microprocessor system by the information input interface, described microprocessor system obtains the configuration information of described display screen, determine to the demonstration information of display screen transmission according to the configuration information of described display screen, so that compatible dissimilar display screens.
6. demonstration according to claim 5 configuration can more change-based display control program, it is characterized in that, described microprocessor system connects a memory module, and described microprocessor system is stored in demonstration configuration information and the displaying contents information that described external control devices transmits in the memory module;
The information of Showing Picture in the described displaying contents information is the pictorial information of 320*240 ~ 1920*1080 resolution.
7. demonstration according to claim 1 configuration can more change-based display control program, it is characterized in that, the control circuit board of described control module and the separate setting of described display screen, described control circuit board is arranged on outside the described display screen, and described display screen is connected by signal wire with the demonstration output interface of described control module.
8. demonstration according to claim 6 configuration can more change-based display control program, it is characterized in that described control module connects described demonstration output interface by a driver module, and described driver module also connects a cache module.
9. demonstration according to claim 1 configuration can more change-based display control program, it is characterized in that described demonstration output interface adopts the LVDS interface circuit of single LVDS or two LVDS forms.
10. demonstration according to claim 8 configuration can more change-based display control program, it is characterized in that, described microprocessor system adopts the microprocessor system based on the ARM system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104221818A CN103258519A (en) | 2012-02-15 | 2012-10-29 | Display control system with changeable display configurations |
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| CN201210034349 | 2012-02-15 | ||
| CN201210034349.8 | 2012-02-15 | ||
| CN2012104221818A CN103258519A (en) | 2012-02-15 | 2012-10-29 | Display control system with changeable display configurations |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108597475A (en) * | 2018-04-27 | 2018-09-28 | 合肥惠科金扬科技有限公司 | A kind of system and display of modification display default setting |
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