CN103413528A - Integrated system and method for automatically regulating luminance after LED display screen gets out of control - Google Patents
Integrated system and method for automatically regulating luminance after LED display screen gets out of control Download PDFInfo
- Publication number
- CN103413528A CN103413528A CN2013103648115A CN201310364811A CN103413528A CN 103413528 A CN103413528 A CN 103413528A CN 2013103648115 A CN2013103648115 A CN 2013103648115A CN 201310364811 A CN201310364811 A CN 201310364811A CN 103413528 A CN103413528 A CN 103413528A
- Authority
- CN
- China
- Prior art keywords
- led display
- control
- display unit
- brightness
- computing machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Provided are an integrated system and method for automatically regulating luminance after an LED display screen gets out of control. The system comprises a set of LED display units, a control computer and a set of wireless communication instruments; the control computer sends control and configuration commands to all the LED display units in a periodic mode; the control computer is in real-time wireless communicated with the LED display units through the communication instruments; LED display screen safety luminance automatic regulation software modules are embedded into all the LED display units, and by monitoring the operation state of a signal automatic identification control system from the control computer, a safety luminance regulation mode or a normal work mode is started correspondingly. The LED display units analyze control signals, and when the control signals are normal, the LED display units are driven to work and receive various types of configuration and control; when the control signals are abnormal, the LED display units enter the self safety protection state, and actively regulate the self luminance and the work state, therefore, traffic accidents and light pollution caused by high luminance when the LED display screen gets out of control can be effectively avoided, and other relative problems are resolved.
Description
Technical field
The present invention relates to a kind of LED display can proceed to self-safe work state active accommodation self brightness in out of control situation integrated system and method.
Background technology
LED display is the novel information display media developed rapidly in the whole world the late nineteen eighties, it utilizes lattice module or the pixel cell that light emitting diode forms to form display screen,, long service life high with reliability, the characteristics such as adaptive capacity to environment is strong, cost performance is high, use cost is low, in short decades, shoot up as the main product of flat pannel display, the field of external information demonstration indoors is widely used.
In recent years, the LED display industry of China, through in a few years development, has formed a collection of leading enterprise of certain scale.The LED display industry of China is in scale development, and product technology is weeded out the old and bring forth the new, and keeps more advanced level always.The LED display industry is just becoming the important component part of China's electronics and information industry.LED display to be applied in domestic development more rapid, the LED full-color screen is with its excellent expressive force, in security exchange, Financial Information, show, air station flight dynamically shows, harbor station passenger guidance information shows, the information of stadiums shows, Traffic Information shows, dispatching center's information shows, especially out-of-home media is in the ascendant especially, and development is swift and violent.
Along with the large-scale application of LED display, because its brilliance control is not in place, cause the sharp contrast with surrounding environment, cause inadaptable to local high brightness of people.' light pollution ' caused thus complained also more and more.For this reason, many LED display suppliers have used environmental luminance sensor to regulate and control the real-time luminosity of display screen, and this usually will be in the situation that controlling unit--control computing machine, ambient light sensor and operation circuit normal operation.
But LED display unit is also likely because certain reason is out of hand, even this display screen also may keep high brightness at night like this, this for night the personnel of driving are very large potential safety hazards, the traffic hazard caused is therefrom heard of also the time.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of integrated system for LED display rear automatic adjustment brightness out of control, even be in the out of control situation of LED display unit, and the system that it also can active adjustment self brightness to a level of security.
For achieving the above object, the present invention adopts following technical scheme:
A kind of integrated system for LED display rear automatic adjustment brightness out of control, comprise one group of LED display unit, a control computing machine and one group of radio communication installation;
Described control computing machine, have UART, USB, DVI, optical fiber or network interface, controls and configuration-direct for to each LED display unit, sending, and periodically sends the state of a control instruction;
Described control computing machine is by Wireless Telecom Equipment and each LED display unit real-time radio communication;
Described LED display unit has the corresponding interface that receives the control computer instruction, in LED display unit, be embedded with the safe brightness of LED display and automatically adjust software module, it is by the running status of monitoring from the automatic control system for identifying of signal of controlling computing machine, then correspondence enters safe brightness adjustment pattern or normal mode of operation, wherein, the running status of control system comprises the normal and two states out of hand of control.
Described integrated system for LED display rear automatic adjustment brightness out of control, be provided with a status timer in described LED display unit; LED display unit is normal mode of operation controlling in normal situation, and response, from control and the configuration-direct of controlling computing machine, according to the passive work of intention of controlling computing machine, and is controlled this status timer when receiving periodically state of a control instruction; LED display unit, in out of control situation, is controlled this status timer and is not stopped counting, when surmounting setting threshold, automatically enters safe brightness adjustment pattern with active accommodation self brightness and duty.After LED display unit enters safe brightness adjustment pattern, brightness be adjusted into gradual change type, and in the adjustment of brightness gradual change type, brightness adjustment velocity amplitude and brightness adjustment desired value are for presetting.
Described integrated system for LED display rear automatic adjustment brightness out of control, but for LED display unit, set again the safe brightness adjustment mode switch of a manual control.The switch of the safe brightness adjustment pattern of LED display can be controlled, and is convenient in the situation that Attended mode, or controls computing machine and do not possess while periodically sending the function of state of a control instruction, fully according to the intention work of controlling party.
Another object of the present invention is to provide a kind of method for LED display rear automatic adjustment brightness out of control, utilizes said system to realize regulating the LED display self brightness, to reach a level of security.
For achieving the above object, the present invention adopts following technical scheme:
A kind of method for LED display rear automatic adjustment brightness out of control, its method step is as follows:
A) the above-mentioned integrated system for LED display rear automatic adjustment brightness out of control of model;
B) startup system, whether each LED display unit state of a control instruction automatic discrimination control separately from controlling computing machine by monitoring periods respectively is normal, if differentiate, control the computing machine normal operation, these LED display unit summary responses, according to the passive work of intention of controlling computing machine, now this LED display unit is worked under normal mode of operation; If differentiate, control the computing machine malfunction, this LED display unit enters active safety brightness adjustment pattern automatically, reduces gradually the display brightness of LED display, the safe gray scale set until reach according to setting step-length.
Described method for LED display rear automatic adjustment brightness out of control, each LED display unit automatic discrimination control whether normal concrete grammar is:
1) in described LED display unit, all install a status timer, and in the safe brightness of LED display is adjusted software program automatically, set the timing threshold value of judging a runaway condition-fault timing threshold value;
2) after system startup work, control computing machine and send and control and configuration-direct to this LED display unit, periodically send the state of a control instruction;
3) this LED display unit state of a control timer starts timing, if the time that LED display unit receives state of a control instruction superthreshold is not differentiated and controlled the computing machine normal operation, carries out conventional processing work;
4) and when LED display unit enters next cycle reception state of a control instruction status timer is counted to zero clearing;
5) continuous repeating step 3), 4), if when the status timer timing time surmounted setting threshold-fault timing threshold value, this LED display unit was differentiated for out of control, automatically enters active safety brightness adjustment pattern.
Described method for LED display rear automatic adjustment brightness out of control, after step 5), when the time of this LED display unit reception & disposal instruction got back in threshold value again, this LED display unit was differentiated the control computing machine and has been recovered normal operation, restarts conventional processing work.
LED display unit enters safe brightness adjustment pattern from normal mode of operation, also can enter normal mode of operation from safe brightness adjustment pattern again, and this process is reversible.When LED display unit is in safe brightness adjustment pattern, still can normally receives and process from the instruction of controlling computing machine.If restart such as controlling after computing machine breaks down, can normally send various configurations and steering order again, and the state of a control instruction, LED display unit enters normal mode of operation again.
Advantage of the present invention is:
1) LED display unit is by the state of a control instruction from the control computing machine of monitoring periods, whether automatic discrimination is controlled normal, automatically controls self duty, and this process can realize by software program fully, do not need to increase extras, therefore saved the spending on the hardware device;
2) the invention provides sufficient customizable space, apply very flexible.Such as: the concrete setting that safe brightness adjustment mode switch, state of a control instruction send cycle, fault timing threshold value and safe brightness can customize, to meet different regions, the application demand of different occasions;
3) the present invention fully takes into account brightness and adjusts suddenly the impact on passing driver, after LED display unit enters safe brightness adjustment pattern, the adjustment of brightness is not to settle at one go, but the adjustment of gradual change, with the speed that a kind of spectators and pedestrian are difficult for discovering, carry out, can not cause any interference to people's life;
4) when control signal is undesired; LED display unit enters self-safeguard protection state (being safe brightness adjustment pattern); active accommodation self brightness and duty, because the high brightness when out of control causes traffic hazard, light pollution and other legal issue have important meaning to avoiding.
The accompanying drawing explanation
Fig. 1 is the integrated system formation schematic diagram of the present invention for LED display rear automatic adjustment brightness out of control.
Fig. 2 is operating principle schematic diagram of the present invention.
Fig. 3, adjust the principle of work schematic diagram of software module automatically for the safe brightness of LED display.
The present invention will be further described below in conjunction with drawings and the specific embodiments.
Embodiment
As shown in Figure 1, the present invention includes one group of LED display unit (can be 1 LED display unit, can also be that LED display unit 4～LED display unit n is in interior a plurality of LED display), control computing machine 1 and a group communication facility for the integrated system of LED display rear automatic adjustment brightness out of control.
Described control computing machine has UART, USB, DVI, optical fiber or network (including spider lines or wireless network) interface, for to each LED display unit, sending, controls and configuration-direct in the present invention, periodically sends the state of a control instruction;
Described communications facility is the communication line of UART, USB, DVI, optical fiber or network, wherein in network, includes spider lines or wireless network.
Fig. 2 shows the principle of method of work of the present invention.After system started, each LED display unit just entered the flow process of reception and processing instruction.Under normal circumstances, state of a control instruction meeting is from controlling computing machine with lasting the sending over of certain cycle, and each LED display unit can record the state of a control instruction time till now last time automatically, when new state of a control instruction is received, and its automatic clear.If this time does not always surpass given threshold value, LED display unit is in passive duty, according to the instruction of main control computer, carries out work (conventional processing) fully.If this time has exceeded the fixed time, LED display unit can think that control system breaks down, and automatically enters self-safeguard protection state, automatically carries out the display brightness adjusting, brightness is reduced to gradually to the safe brightness of setting.
Fig. 3 shows the principle of work that software module is adjusted in the safe brightness of LED display automatically.After system started, whether this module detecting system entered safe brightness adjustment pattern, if safe brightness adjustment mode condition meets, system starts according to setting brightness adjustment speed and adjusting brightness, until reach the object brightness of setting.If safe brightness adjustment mode condition does not meet, or system reached object brightness, and system enters new one and takes turns safe brightness Auto-Sensing and adjust flow process.
Above-described embodiment can some variations in addition under not departing from the scope of the present invention, thus above explanation comprises and accompanying drawing shown in structure should be considered as exemplary, but not in order to limit application protection domain of the present invention.
Claims (8)
1. the integrated system for LED display rear automatic adjustment brightness out of control, comprise one group of LED display unit, a control computing machine and one group of radio communication installation; It is characterized in that:
Described control computing machine, have UART, USB, DVI, optical fiber or network interface, controls and configuration-direct for to each LED display unit, sending, and periodically sends the state of a control instruction;
Described control computing machine is by communication facilities and each LED display unit real-time radio communication;
Described each LED display unit has the corresponding interface that receives the control computer instruction, in LED display unit, be embedded with the safe brightness of LED display and automatically adjust software module, it is by the running status of monitoring from the automatic control system for identifying of signal of controlling computing machine, then correspondence enters safe brightness adjustment pattern or normal mode of operation, wherein, the running status of control system comprises the normal and two states out of hand of control.
2. the integrated system for LED display rear automatic adjustment brightness out of control according to claim 1, is characterized in that: in described LED display unit, be provided with a status timer; LED display unit is normal mode of operation controlling in normal situation, and response, from control and the configuration-direct of controlling computing machine, according to the passive work of intention of controlling computing machine, and is controlled this status timer when receiving periodically state of a control instruction; LED display unit, in out of control situation, is controlled this status timer and is not stopped counting, when surmounting setting threshold, automatically enters safe brightness adjustment pattern with active accommodation self brightness and duty.
3. the integrated system for LED display rear automatic adjustment brightness out of control according to claim 2 is characterized in that: after LED display unit enters safe brightness adjustment pattern, brightness be adjusted into gradual change type.
4. the integrated system for LED display rear automatic adjustment brightness out of control according to claim 3, it is characterized in that: in the adjustment of brightness gradual change type, brightness adjustment velocity amplitude and brightness adjustment desired value are for presetting.
5. the integrated system for LED display rear automatic adjustment brightness out of control according to claim 1 is characterized in that: but for LED display unit, set again the safe brightness adjustment mode switch of a manual control.
6. method for LED display rear automatic adjustment brightness out of control is characterized in that method step is as follows:
A) the model integrated system for LED display rear automatic adjustment brightness out of control as claimed in claim 1;
B) startup system, whether each LED display unit is controlled normal by monitoring periods from the state of a control instruction automatic discrimination of controlling computing machine, if differentiate, control the computing machine normal operation, these LED display unit summary responses, according to the passive work of intention of controlling computing machine, now this LED display unit is worked under normal mode of operation; If differentiate, control the computing machine malfunction, this LED display unit enters active safety brightness adjustment pattern automatically, reduces gradually the display brightness of LED display, the safe gray scale set until reach according to setting step-length.
7. the method for LED display rear automatic adjustment brightness out of control according to claim 6 is characterized in that each LED display unit automatic discrimination controls whether normal concrete grammar is:
1) in described each LED display unit, all install a status timer, and in the safe brightness of LED display is adjusted software program automatically, set a timing threshold value of judging runaway condition;
2) after system startup work, control computing machine and send and control and configuration-direct to this LED display unit, periodically send the state of a control instruction;
3) this LED display unit state of a control timer starts timing, if the time of LED display unit reception & disposal instruction superthreshold is not differentiated and controlled the computing machine normal operation, starts conventional processing work;
4) and at LED display unit, enter next cycle and status timer is counted to zero clearing while receiving processing instruction;
5) continuous repeating step 3), 4), if when the status timer timing time surmounts setting threshold, this LED display unit is differentiated for out of control, automatically enters active safety brightness adjustment pattern.
8. the method for LED display rear automatic adjustment brightness out of control according to claim 7, it is characterized in that: after step 5), when the time of this LED display unit reception & disposal instruction gets back in threshold value again, this LED display unit is differentiated the control computing machine and has been recovered normal operation, restarts conventional processing work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364811.5A CN103413528B (en) | 2013-08-20 | 2013-08-20 | Integrated system and method for automatically regulating luminance after LED display screen gets out of control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364811.5A CN103413528B (en) | 2013-08-20 | 2013-08-20 | Integrated system and method for automatically regulating luminance after LED display screen gets out of control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103413528A true CN103413528A (en) | 2013-11-27 |
| CN103413528B CN103413528B (en) | 2015-06-03 |
Family
ID=49606532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310364811.5A Active CN103413528B (en) | 2013-08-20 | 2013-08-20 | Integrated system and method for automatically regulating luminance after LED display screen gets out of control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103413528B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687228B (en) * | 2013-12-06 | 2016-04-20 | 深圳市明微电子股份有限公司 | A kind of landscape decorative lamp system and geocoding thereof and display control method |
| CN112154499A (en) * | 2018-06-04 | 2020-12-29 | 矽光学有限公司 | Method and arrangement for checking the operating mode of a display screen |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101064979A (en) * | 2006-11-28 | 2007-10-31 | 上海电器科学研究所（集团）有限公司 | Wireless control light modulation ballast |
| CN101441853A (en) * | 2008-12-22 | 2009-05-27 | 北京巨数数字技术开发有限公司 | Apparatus, system and method for on-site adjustment of LED display screen |
| CN102325405A (en) * | 2011-08-25 | 2012-01-18 | 江苏省勇仕照明有限公司 | Lighting device capable of remote controlling and illumination system thereof |
| CN102542986A (en) * | 2011-12-29 | 2012-07-04 | 深圳市奥拓电子股份有限公司 | Light-emitting diode (LED) display system and data transmission method thereof |
| CN202816324U (en) * | 2012-09-13 | 2013-03-20 | 宁波永望电子科技有限公司 | Intelligent LED billboard |
| US20130200810A1 (en) * | 2010-05-10 | 2013-08-08 | Maxgreen Limited | Led lighting devices |
-
2013
- 2013-08-20 CN CN201310364811.5A patent/CN103413528B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101064979A (en) * | 2006-11-28 | 2007-10-31 | 上海电器科学研究所（集团）有限公司 | Wireless control light modulation ballast |
| CN101441853A (en) * | 2008-12-22 | 2009-05-27 | 北京巨数数字技术开发有限公司 | Apparatus, system and method for on-site adjustment of LED display screen |
| US20130200810A1 (en) * | 2010-05-10 | 2013-08-08 | Maxgreen Limited | Led lighting devices |
| CN102325405A (en) * | 2011-08-25 | 2012-01-18 | 江苏省勇仕照明有限公司 | Lighting device capable of remote controlling and illumination system thereof |
| CN102542986A (en) * | 2011-12-29 | 2012-07-04 | 深圳市奥拓电子股份有限公司 | Light-emitting diode (LED) display system and data transmission method thereof |
| CN202816324U (en) * | 2012-09-13 | 2013-03-20 | 宁波永望电子科技有限公司 | Intelligent LED billboard |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687228B (en) * | 2013-12-06 | 2016-04-20 | 深圳市明微电子股份有限公司 | A kind of landscape decorative lamp system and geocoding thereof and display control method |
| CN112154499A (en) * | 2018-06-04 | 2020-12-29 | 矽光学有限公司 | Method and arrangement for checking the operating mode of a display screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103413528B (en) | 2015-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102184694B (en) | System and method for monitoring outdoor display screen by using video image and/or digital photo | |
| CN105070086A (en) | Intelligent traffic signal lamp fault detection and alarm system and method | |
| CN204252043U (en) | Wisdom vehicle road gate control system | |
| CN101389172A (en) | Road lamp wireless detection control system | |
| CN104202881A (en) | Street lamp control system | |
| CN103763833B (en) | A kind of control method and system controlling LED street lamp based on supply line | |
| CN102774323A (en) | Vehicle-mounted failure warning system | |
| CN102486892A (en) | Traffic control system and method | |
| CN205810045U (en) | A kind of wireless fire disaster detection and fire protection warning fire extinguishing system | |
| CN103413528B (en) | Integrated system and method for automatically regulating luminance after LED display screen gets out of control | |
| CN105654731A (en) | Vehicle interception equipment control system | |
| CN204856917U (en) | Traffic signal lamp trouble intellectual detection system , alarm system | |
| CN104470035A (en) | Road lighting intelligent power source system | |
| CN103273878B (en) | A kind of anti-collision system for automobile based on satellite positioning and control method | |
| CN203289703U (en) | Remote illumination control device for advertisement lamp box | |
| CN105096619A (en) | Intelligent traffic information caution board system | |
| CN108203946A (en) | A kind of vehicle intercepts apparatus control system | |
| CN107780346B (en) | Traffic sign control method and device | |
| CN103886767B (en) | In being arranged on motor vehicles, digitized traffic signal receive device and signal acceptance method | |
| CN102553142A (en) | Safety training monitoring device of running machine | |
| CN205354349U (en) | Vehicle interception equipment control system | |
| CN210693993U (en) | On-vehicle POE switch | |
| CN204833720U (en) | Intelligent transportation information warning sign system | |
| CN206665940U (en) | A kind of state of elevator record and safety device | |
| CN102147975A (en) | Urban intelligent traffic guide display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |