CN101206820B - Distributed wireless LED display system - Google Patents
Distributed wireless LED display system Download PDFInfo
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- CN101206820B CN101206820B CN2007101704435A CN200710170443A CN101206820B CN 101206820 B CN101206820 B CN 101206820B CN 2007101704435 A CN2007101704435 A CN 2007101704435A CN 200710170443 A CN200710170443 A CN 200710170443A CN 101206820 B CN101206820 B CN 101206820B
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Abstract
The invention belongs to the wireless transmission and LED display control technology field, in particular to a distributed type wireless LED display system. The display system is composed of a wireless controller and a plurality of wireless display boards. The wireless display boards preset pre-displayed picture information before being used, each wireless display board displays a pixel point of a whole picture, and a complete picture is formed by all the wireless display boards together. When the invention is used, synchronous control signals transmitted through the wireless controller are received, a pre-displayed picture is started, and thereby the effect that each wireless display board synchronously displays the pre-stored pictures is achieved. The system adopts the distributed type design and the centralized wireless control, the application field is extremely wide, such as the auditorium dynamic picture displaying and the athlete square matrix dynamic showing of large-scale sport meetings and concerts, etc.
Description
Technical field
The invention belongs to wireless transmission and LED display control technology field, be specially a kind of distributed wireless LED display system.
Background technology
In recent years, along with the develop rapidly of China's economic, culture, sports, all kinds of large-scale styles, scientific and technological distinguished gathering are constantly held, and holding of these activities proposed various new demand to the on-the-spot publicity measures in meeting-place.Wherein, the various on-the-spot demonstration activities that participated in by spectators also rest on the backward fixedly demo mode stage, promptly hold the lighting rod or the fixing composite figure of coloured flag demonstration of constant color, and need dress rehearsal in advance and floor manager just can reach the purpose of demonstration particular combinations figure by every spectators.This mode has been difficult to satisfy present all kinds of distinguished gatherings to high-tech demand.
Summary of the invention
The objective of the invention is to propose a kind of LED display system that floor manager shows the large-scale combined pattern of being convenient to.When in use, only need hand-held wireless LED (light emitting diode) display board separately of numerous participants, without any need for rehearsal and action, can dynamically show the various figures that prestore, extremely easy to use, can be applicable to the auditorium motion graphics demonstration of various megaevent, concert etc. and the Dynamic Display of sportsman's square formation etc., have extremely important practical value.
The LED display system that the present invention proposes is made up of a wireless controller and several wireless LED display boards, as shown in Figure 1.The wireless LED display board presets pictorial information to be shown before use, and each wireless LED display board shows a pixel of whole picture, the common width of cloth full picture of forming of all wireless LED display boards.Receive the synchronous control signal that wireless controller sends during use, start picture to be shown, thereby reach the effect that each wireless LED display board shows the picture that prestores synchronously.
Wireless controller of the present invention partly is made up of single-chip microcomputer, real-time clock, control button, display screen, wireless transmitter module, radio frequency power amplification module and antenna etc., and its structure as shown in Figure 2.Wherein, adopt 8 single-chip microcomputers, finish signal Processing, logic determines, demonstration control, transmitting-receiving control and interrupt response function as core processor;
The real-time clock clocking passes to single-chip microcomputer, is used for demonstration time and timing controlled;
The control button is connected with the IO mouth of single-chip microcomputer, comprise switch key, upper and lower, left and right four direction key, time is provided with key and picture switch key, its effect is respectively: switch key is used to open or close transmitter, picture selection when time figure adjustment when upper and lower, left and right four direction key is used to the time is set and switching picture etc., time is provided with key and is used for the time entering or withdrawing from of function is set, and the picture switch key is used for entering or withdrawing from of quick picture handoff functionality;
Display screen adopts LCD display, by Micro Controller Unit (MCU) driving, shows the whole picture that time and current distribution type LED display board show in real time;
The digital signal input end of wireless transmitter module is connected with the IO mouth of single-chip microcomputer, receives the steering order of single-chip microcomputer, goes out through modulate emission, with the action of control distributed wireless LED display board;
Radio frequency power amplification module and antenna constitute the tail circuit of transmitter jointly.Its effect is that the modulation signal that wireless transmitter module produces is amplified, and is transmitted in the air through antenna, increases the radiation scope of signal, improves the reliability of total system control.
Wireless LED display board of the present invention is made up of single-chip microcomputer, wireless receiving decoder module and some LED, as shown in Figure 3.Wherein, adopt 8 single-chip microcomputers, finish that display message prestores, signal Processing, logic determines, demonstration control, receive control and interrupt response function as core processor;
The synchronous control signal of wireless receiving decoder module real-time listening wireless controller under the control of single-chip microcomputer, through after decoding, the verification synchronous control signal being passed to single-chip microcomputer, by single-chip microcomputer through starting corresponding figure to be shown after the logic determines, i.e. bright, the dark or gray-scale Control of LED.
Good effect of the present invention:
The present invention shows that with wireless transmission and distribution type LED control combines, and provides a kind of distributed wireless LED display system.This system is owing to adopted distributed design and concentrated controlled in wireless, when in use, only need the hand-held wireless LED display board separately of numerous participants, without any need for rehearsal and action, can dynamically show the various figures that prestore, extremely easy to use, can be applicable to the auditorium motion graphics demonstration of various megaevent, concert etc. and the Dynamic Display of sportsman's square formation etc., have extremely important practical value.
Description of drawings
Fig. 1 is a system schematic.
Fig. 2 is the wireless controller synoptic diagram.
Fig. 3 is a wireless LED display board synoptic diagram.
Fig. 4 is a wireless controller master surface chart.
Fig. 5 is wireless controller picture interface switching figure.
Fig. 6 is a wireless LED display board synoptic diagram program flow diagram.
Fig. 7 is the wireless controller program flow diagram.
Number in the figure: the 1st, transmitter, the 2nd, LED display board, the 3rd, single-chip microcomputer, the 4th, real-time clock, the 5th, control button, the 6th, LCD display, the 7th, wireless transmitter module, the 8th, radio frequency power amplification modules, the 9th, antenna, the 10th, single-chip microcomputer, the 11st, wireless receiving module, the 12nd, LED dot matrix, the 13rd, power supply.
Embodiment
One, hardware device
Wireless controller adopts the STC89C052 single-chip microcomputer of STC as core processor, and this single-chip microcomputer belongs to 51 series monolithics, and is compatible good, and program is easy to transplant; Have the ISP/IAP function, at system programmable/using able to programmely, need not programmable device/emulator, debugging or burning program are very convenient; Be integrated with inner watchdog circuit, it is very reliable to work; Cheap, be fit to produce in batches product.Real-time timepiece chip adopts the DS1302 chip, and this chip has direct supply, battery duplicate supply system, can be battery-powered, and power consumption is extremely low, and a slice lithium battery power supply can be worked more than 1 year; The control button adopts the rubber film button, and reflection is sensitive reliable, appearance looks elegant; Display screen adopts the parallel port LCD display, and resolution 128 * 64 can satisfy clock and graphical display function; The selection of wireless transmitter module is adopted 315 wireless data transmission modules based on the consideration that reduces cost; In order to enlarge the range of control of signal, increased radio frequency power amplification module at the output terminal of transmitter module, the emissive power of transmitter is reached more than the 1W, and attaching antenna, thereby increase considerably the range of control of transmitter, improve the reliability of system.
The wireless LED display board adopts the STC12LE2052 single-chip microcomputer of STC as core processor, this single-chip microcomputer operating voltage is low, scope big (2.4～3.8V), can directly power with lithium coin cells; Have the ISP/IAP function, at system programmable/using able to programmely, need not programmable device/emulator, debugging or burning program are very convenient; Be integrated with inner watchdog circuit, it is very reliable to work; Cheap, be fit to produce in batches product; The LED dot matrix adopts the RGB three-color LED, and this LED has three kinds of colors of RGB, by one-chip machine port control, can produce multiple combined colors; The wireless receiving decoder module adopts 315 receiver modules, this module is integrated by receiving demodulation circuit and decoding chip, can be directly with the controller signals demodulation that receives and be decoded as digital signal, pass to the IO port of single-chip microcomputer then, carry out signal Processing and logic determines by single-chip microcomputer, thereby realize synchro control.
Two, software control flow process
Software comprises wireless controller program and wireless LED display board program.The wireless controller program interface comprises wireless controller master interface and picture interface switching, respectively as shown in Figure 4 and Figure 5.Before controller uses, program Solidification in the single-chip microcomputer storer, working procedure and pictorial information to be shown have been comprised.After pressing switch key, system start-up enters running status.At first enter the master menu standby mode, display system title and time, picture switch two icons.Concrete operations are divided into manual control and two kinds of control models of timing controlled:
Manually: enter the picture interface switching by the picture switch key, picture is numbered 1,2,3,4...n, because display screen can only show 4 line characters, so adopt the roll mode demonstration; By upper and lower directionkeys moving cursor selecting picture to be shown, but by right key preview picture selected, determine the picture selected synchronic command is sent by LeftArrow, with the synchronization action of control distribution type LED display board, thereby show this width of cloth picture; After finishing, demonstration can release the picture interface switching, finishing control once more by the picture switch key;
Time calibration: carrying out needing the deadline calibration before timing controlled is provided with; After the start, enter the master menu picture, by the time key is set, entry time is provided with state, cooperates upper and lower, left and right four direction key, but the deadline calibration, and then by the time key is set and withdraws from this state, system enters main interface holding state;
Timing controlled: enter the picture interface switching by the picture switch key, picture is numbered 1,2,3,4...n, when resting on a certain picture to be shown, cursor numbers following time, by the time key is set, enter picture and regularly switch the state of setting, this width of cloth picture zero-time to be shown is set, setting completed is provided with key by the time again, leave configuration information, finish the time set to be shown of this width of cloth picture; Equally, but by right key preview picture selected.Then, moving cursor adopts same operation to finish the display setting of next width of cloth picture to next width of cloth picture numbering down.After setting was finished, controller was under the control of timer, and the operation picture shows control automatically;
Steering order sends: no matter manually control or timing controlled, after choosing picture to be shown, need send this width of cloth coding of graphics, receive and finish decoding and display action by the LED display board.
The process flow diagram of whole control process as shown in Figure 7.
Wireless LED display board program flow diagram is as shown in Figure 6:
At first, burning program has comprised working procedure and pictorial information to be shown before using in single-chip microcomputer.Pictorial information wherein and the pictorial information in the controller are corresponding one by one; After starting operation, the control of employing interrupt mode, during use, starting switch, single-chip microcomputer and wireless receiving module enter holding state, the control signal of real-time listening controller emission, when detect control signal and decode errorless after, pass to single-chip microcomputer, single-chip microcomputer is according to coding of graphics that control signal comprised, inquire pictorial information to be shown, driving LED shows, realizes the dynamic demonstration of distribution type LED picture.
Claims (4)
1. distributed wireless LED display system, it is characterized in that this display system is made up of a wireless controller and several wireless LED display boards, the wireless LED display board presets pictorial information to be shown before use, each wireless LED display board shows a pixel of whole picture, the common width of cloth full picture of forming of all wireless LED display boards; Receive the synchronous control signal that wireless controller sends during use, start picture to be shown, thereby reach the effect that each wireless LED display board shows the picture that prestores synchronously; Wherein:
Described wireless controller is made up of single-chip microcomputer, real-time clock, control button, display screen, wireless transmitter module, radio frequency power amplification module and antenna, wherein, adopt 8 single-chip microcomputers as core processor, finish signal Processing, logic determines, demonstration control, transmitting-receiving control and interrupt response function;
The real-time clock clocking passes to single-chip microcomputer, is used for demonstration time and timing controlled;
The control button is connected with the IO mouth of single-chip microcomputer, comprise switch key, upper and lower, left and right four direction key, time is provided with key and picture switch key, its effect is respectively: switch key is used to open or close transmitter, picture when time figure adjustment when upper and lower, left and right four direction key is used to the time is set and switching picture is selected, time is provided with key and is used for the time entering or withdrawing from of function is set, and the picture switch key is used for entering or withdrawing from of quick picture handoff functionality;
Display screen adopts LCD display, by Micro Controller Unit (MCU) driving, shows the whole picture that time and current distribution type LED display board show in real time;
The digital signal input end of wireless transmitter module is connected with the IO mouth of single-chip microcomputer, receives the steering order of single-chip microcomputer, goes out through modulate emission, with the action of control distributed wireless LED display board;
Radio frequency power amplification module and antenna constitute the tail circuit of transmitter jointly.
2. distributed wireless LED display system according to claim 1, it is characterized in that described wireless LED display board is made up of single-chip microcomputer, wireless receiving decoder module and some LED, wherein, adopt 8 single-chip microcomputers as core processor, finish that display message prestores, signal Processing, logic determines, demonstration control, receive control and interrupt response function;
The synchronous control signal of wireless receiving decoder module real-time listening wireless controller under the control of single-chip microcomputer, through after decoding, the verification synchronous control signal being passed to single-chip microcomputer, by single-chip microcomputer through starting corresponding figure to be shown after the logic determines, i.e. bright, the dark or gray-scale Control of LED.
3. distributed wireless LED display system according to claim 1 is characterized in that described wireless controller includes working procedure and pictorial information to be shown, and program interface comprises controlled in wireless master interface and picture interface switching; Concrete operations are divided into manual control and two kinds of patterns of timing controlled:
Manually: enter the picture interface switching by the picture switch key, picture is numbered 1,2,3,4...n, because display screen can only show 4 line characters, so adopt the roll mode demonstration; By upper and lower directionkeys moving cursor selecting picture to be shown, but by right key preview picture selected, determine the picture selected synchronic command is sent by LeftArrow, with the synchronization action of control distribution type LED display board, thereby show this width of cloth picture; After finishing, demonstration can release the picture interface switching, finishing control once more by the picture switch key;
Time calibration: carrying out needing the deadline calibration before timing controlled is provided with; After the start, enter the master menu picture, by the time key is set, entry time is provided with state, cooperates upper and lower, left and right four direction key, but the deadline calibration, and then by the time key is set and withdraws from this state, system enters main interface holding state;
Timing controlled: enter the picture interface switching by the picture switch key, picture is numbered 1,2,3,4...n, when resting on a certain picture to be shown, cursor numbers following time, by the time key is set, enter picture and regularly switch the state of setting, this width of cloth picture zero-time to be shown is set, setting completed is provided with key by the time again, leave configuration information, finish the time set to be shown of this width of cloth picture; Equally, but by right key preview picture selected; Then, moving cursor adopts same operation to finish the display setting of next width of cloth picture to next width of cloth picture numbering down; After setting was finished, controller was under the control of timer, and the operation picture shows control automatically;
Steering order sends: no matter manually control or timing controlled, after choosing picture to be shown, need send this width of cloth coding of graphics, receive and finish decoding and display action by the LED display board.
4. distributed wireless LED display system according to claim 1 is characterized in that described wireless LED display board includes working procedure and image to be displayed information, and pictorial information wherein and the pictorial information in the controller are corresponding one by one; After starting operation, the control of employing interrupt mode, during use, starting switch, single-chip microcomputer and wireless receiving module enter holding state, the control signal of real-time listening controller emission, when detect control signal and decode errorless after, pass to single-chip microcomputer, single-chip microcomputer is according to coding of graphics that control signal comprised, inquire pictorial information to be shown, driving LED shows, realizes the dynamic demonstration of distribution type LED picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101704435A CN101206820B (en) | 2007-11-15 | 2007-11-15 | Distributed wireless LED display system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101704435A CN101206820B (en) | 2007-11-15 | 2007-11-15 | Distributed wireless LED display system |
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| CN101206820A CN101206820A (en) | 2008-06-25 |
| CN101206820B true CN101206820B (en) | 2011-06-22 |
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Families Citing this family (17)
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| CN102065595A (en) * | 2009-11-13 | 2011-05-18 | 康佳集团股份有限公司 | Lighting system by radio remote control management |
| CN201781298U (en) * | 2009-12-30 | 2011-03-30 | 侯民 | Direct current time controller for large LED display screen |
| CN101819735A (en) * | 2010-04-16 | 2010-09-01 | 华南师范大学 | Display system for large-area graphs and images |
| CN102610187A (en) * | 2011-01-24 | 2012-07-25 | 利亚德光电股份有限公司 | Method and system for controlling LED (light-emitting diode) pixel points, and LED display |
| CN102298887B (en) * | 2011-09-21 | 2014-08-27 | 上海大三和弦城市环境艺术有限公司 | Method, device and system for simulative preview of LED program |
| CN103474048A (en) * | 2012-06-07 | 2013-12-25 | 成卓 | System for wireless synchronous LED display screen signal transmission |
| CN103310731A (en) * | 2013-06-08 | 2013-09-18 | 深圳市九洲光电科技有限公司 | Intelligentized LED screen system and intelligentized LED screen control method |
| MX356786B (en) * | 2013-12-02 | 2018-06-13 | Unlicensed Chimp Tech Llc | Local positioning and response system. |
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| CN105427755A (en) * | 2015-12-24 | 2016-03-23 | 深圳市云智科技有限公司 | Intelligent LED display device and system |
| CN106527000A (en) * | 2016-12-18 | 2017-03-22 | 吴凡 | Pixel device, display method and display system |
| CN108668049A (en) * | 2017-03-27 | 2018-10-16 | 吴东辉 | Method for displaying image, display unit and system based on dispersion pixel |
| CN107526564A (en) * | 2017-08-30 | 2017-12-29 | 江苏青诚信息科技有限公司 | A kind of city lamp box LED display picture synchronization display system |
| CN110248041A (en) * | 2018-03-08 | 2019-09-17 | 阿里巴巴集团控股有限公司 | Image data transfer control method, device and electronic equipment |
| CN112071258A (en) * | 2020-08-31 | 2020-12-11 | 东莞阿尔泰显示技术有限公司 | Novel control system of LED display screen and dormancy method and awakening method thereof |
| CN112037708A (en) * | 2020-08-31 | 2020-12-04 | 东莞阿尔泰显示技术有限公司 | Control system for improving LED display screen and dormancy method and awakening method thereof |
| CN114613119B (en) * | 2022-01-19 | 2023-09-19 | 浙江大丰体育设备有限公司 | Base station supporting wireless group control fluorescent rod group control |
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| CN1032453C (en) * | 1994-08-16 | 1996-07-31 | 北京市百信电子技术公司 | Radio broadcasting type electronic screen group-displaying system |
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Granted publication date: 20110622 Termination date: 20191115 |