CN101917800B - A kind of LED controller - Google Patents
A kind of LED controller Download PDFInfo
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- CN101917800B CN101917800B CN201010240782.8A CN201010240782A CN101917800B CN 101917800 B CN101917800 B CN 101917800B CN 201010240782 A CN201010240782 A CN 201010240782A CN 101917800 B CN101917800 B CN 101917800B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a kind of LED controller, comprise signal input part, processing module, distribution module, at least four LED control channels, feedback module and adjusting module; Signal input part is used for reception control signal data; Processing module, for the treatment of control signal data, generates display data; Display data correspondence, according to pre-seting, is distributed at least four group display data by distribution module; Each LED control channel respectively with each group of corresponding connection of LED unit of outside display terminal, respectively organize LED unit for corresponding drived control; Feedback module is used for the real-time show state of detection display terminal; Adjusting module is used for according to real-time show state, and contrasts with preset standard value, generates the first adjustment data, adjusts the output voltage of described distribution module.The present invention can provide multiple LED control channel, reduces costs; Optimum voltage value can be arranged according to actual displayed state to export, improve useful life, and it is homogeneous that display terminal is shown.
Description
Technical field
The present invention relates to lighting device, particularly relate to a kind of LED controller.
Background technology
In the stage now, pursue healthy in the whole world, environmental protection pressure, in the great situation of energy crisis, semiconductor lighting by universally acknowledged be a kind of important channel of health energy-saving environment protective, expand its range of application just at faster speed.
LED controller, for adoring each LED in product for each LED display of drived control and each LED, each LED is made to realize various display effect, in prior art, LED controller is independent or be used from each LED of drived control with driver one, and, usually LED controller has less control channel, can only control one group of LED unit, control channel is few, and system is more complicated; Further, each LED controller does not have voltage-regulation function, according to actual displayed state, can not arrange output minimum voltage value.
Therefore, prior art existing defects, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is, one is provided to have multiple LED control channel, set-up of control system can be made simple, reduce costs, and, can according to actual displayed state, arrange optimum voltage value to export, improve useful life, and, make the LED controller of display terminal display effect homogenization.
Technical scheme of the present invention is as follows: a kind of LED controller, wherein, comprises signal input part, processing module, distribution module, at least four LED control channels, feedback module and adjusting module; Described signal input part, for reception control signal data, and is transferred to described processing module; Described processing module is connected with described signal input part, described distribution module, for the treatment of described control signal data, generates display data, sends to described distribution module; Described display data correspondence, according to the quantity pre-seting the method for salary distribution and each described LED control channel, is distributed at least four group display data by described distribution module, and, send to each described LED control channel respectively; Each described LED control channel respectively with each group of corresponding connection of LED unit of outside display terminal, for each group of display data according to its correspondence, corresponding drived control respectively organizes LED unit; Described feedback module one end is connected with described display terminal, and the other end is connected with described adjusting module, for detecting the real-time show state of described display terminal, and is sent to described adjusting module; Described adjusting module is also connected with described distribution module, for according to described real-time show state, and, contrast with preset standard value, generate the first adjustment data, adjust the output voltage of described distribution module.
Be applied to example, described LED controller, wherein, described real-time show state comprises the display voltage of each LED unit, displays temperature and display brightness contrast, and described adjusting module correspondence arranges voltage-contrast unit, temperature comparisons's unit and luminance contrast contrast unit.
Be applied to above-mentioned each example, described LED controller, wherein, described feedback module is also connected with at least one first inductor, for responding to the displays temperature of described display terminal.
Be applied to above-mentioned each example, described LED controller, wherein, described feedback module is also connected with at least two second inductors, wherein, one second inductor is for responding to the display brightness of described display terminal, and another second inductor is for responding to the ambient brightness around described display terminal; Generate display brightness contrast by described feedback module, and send to described adjusting module.
Be applied to above-mentioned each example, described LED controller, wherein, described voltage regulator module arranges one and pre-sets input, for arranging described display terminal maximum display voltage, maximum displays temperature and maximum display brightness contrast.
Be applied to above-mentioned each example, described LED controller, wherein, also comprise a detection module, described detection module for detecting the displaying data in real-time of described display terminal, and sends to described adjusting module, and described adjusting module is according to described displaying data in real-time, generate the second adjustment data, for adjusting each group of display data that described distribution module exports.
Be applied to above-mentioned each example, described LED controller, wherein, described adjusting module is according to the quantity of each described LED control channel, correspondence arranges some Voltage Cortrol submodules, with each described LED control channel one_to_one corresponding, is respectively used to the input voltage adjusting corresponding described LED control channel.
Be applied to above-mentioned each example, described LED controller, wherein, each group LED unit described comprises at least 10 LED unit, and each LED unit serial or parallel connects.
Be applied to above-mentioned each example, described LED controller, wherein, described signal input part only arranges a signal input interface, and, input described control signal by means of only a signal line.
Be applied to above-mentioned each example, described LED controller, wherein, described signal input part arranges at least two signal input interfaces, further, described control signal is inputted respectively by each signal line, and according to pre-seting the described control signal of one of them holding wire of way selection input.
Adopt such scheme, the present invention is by arranging distribution module, each LED is shown data correspondence and is distributed at least four group display data, and, the corresponding LED control channel of each display data, by multiple control channel, can control to organize LED unit more, set-up of control system can be made simple, reduce costs; And, the real-time show state of feedback module feedback display terminal is set, further, by real-time show state is sent to adjusting module, real-time show state numerical value and preset standard value contrast by adjusting module, generate the first adjustment data, adjust the output voltage of described distribution module, namely the optimum voltage value of described distribution module output is set by the first adjustment data, the useful life of each LED unit of display terminal can be improved, further, make the display effect of display terminal homogeneous.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of one embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1, present embodiments provide a kind of LED controller, described LED controller comprises signal input part, processing module, distribution module, four or more LED control channel, feedback module and adjusting module; Described LED controller, for controlling each LED in each display screen or each lamp decoration product, makes each LED display graphics, word, letter, video etc.
Wherein, described signal input part is used for reception control signal data, described control signal data are sent by video source, as operated by PC, video file is sent to described signal input part by the mode of data, described signal input part can be set to each interface, as DVI interface, and cable interface etc.; Further, the control signal transfer of data of reception to described processing module, is processed by described processing module by described signal input part.
And, described processing module is connected with described signal input part, described distribution module respectively, after described processing module receives described control signal data, described control signal data are processed, and, generate display data, and described display data are sent to described distribution module.
Described distribution module receives described display data, and, according to the quantity pre-seting the method for salary distribution and each described LED control channel, described display data correspondence is distributed into the display data of more than four groups or four groups, as, be distributed into four groups of display data, and, the corresponding LED control channel of each group display data, and, the corresponding one group of LED unit of each LED control channel, each group display data correspondence drives each LED unit, and each LED unit is shown according to actual needs.It should be noted that, the method for salary distribution can pre-set according to the actual requirements, or adjusts in the application.
Display data after distribution are sent to corresponding LED control channel by described distribution module respectively, each described LED control channel respectively with each group of corresponding connection of LED unit of outside display terminal, for each group of display data according to its correspondence, corresponding drived control respectively organizes LED unit.
Pass through distribution module, each display data are distributed into the data of more than four groups or four groups, make each LED controller can control to organize LED unit more, under the prerequisite not affecting control effects, only need a small amount of LED controller can control more LED unit, thus the Control System Design of display screen or lamp decoration is simplified, simultaneously, also simplify the structure of display screen or lamp decoration product, reduce costs.
And, described feedback module one end is connected with described display terminal, the other end is connected with described adjusting module, by detecting the real-time show state of described display terminal, wherein, described real-time show state can comprise the display voltage of each LED unit, the displays temperature of each LED unit and the display brightness contrast of each LED unit, wherein, the display voltage of each LED unit and display brightness contrast, can be detected by testing circuit, the displays temperature of each LED unit can be detected by temperature inductor, the display voltage of each LED unit that described feedback module will detect, the displays temperature of each LED unit and the display brightness contrast of each LED unit, be sent to described adjusting module respectively, further, described feedback module only can also detect one in the display brightness contrast of the display voltage of each LED unit, the displays temperature of each LED unit and each LED unit or any two kinds, and is sent to described adjusting module.
Described adjusting module is also connected with described distribution module, for according to described real-time show state, namely according to the display brightness contrast of the display voltage of each LED unit, the displays temperature of each LED unit and each LED unit, contrast with preset standard value, such as, contrast with the standard value of the standard value of the display voltage of the LED unit that described adjusting module is preset, the standard value of the displays temperature of each LED unit and the display brightness contrast of each LED unit is corresponding respectively.Should be understood that, above-mentioned each standard value, can carry out arranging according to actual conditions and adjust.
When the display voltage of each LED unit, the displays temperature of each LED unit and the display brightness contrast of each LED unit are wherein arbitrary when departing from standard value, then described adjusting module, according to comparing result, generate the first adjustment data, namely, described adjusting module is according to each comparing result, calculate an optimum voltage value, and, generate relevant adjustment data, adjust the output voltage of described distribution module, the input voltage of each LED control channel of described distribution module is made to be adjusted to described optimum voltage value, simultaneously, the magnitude of voltage of each LED control channel is consistent, even if the voltage of each LED control channel is optimum voltage, thus make each display screen or lamp decoration product show homogeneous, there is good display effect.
Such as, described adjusting module correspondence arranges voltage-contrast unit, temperature comparisons's unit and luminance contrast contrast unit, voltage-contrast unit contrast real-time voltage value and preset standard magnitude of voltage, temperature comparisons's unit contrast real time temperature and preset standard temperature value, luminance contrast contrast unit contrast real-time luminosity contrast and preset standard luminance contrast value, thus making each comparing result more accurate, adjustment data are also just more accurate.
On above-mentioned each routine basis, described feedback module can also be connected with one or more first inductor, wherein, described first inductor can be arranged in display terminal, when arranging multiple inductor, described real-time displays temperature can be the mean value of the real time temperature of each inductor induction.
Or, on above-mentioned each routine basis, described feedback module is also connected with two or more second inductor, wherein, second inductor is for responding to the display brightness of described display terminal, and another second inductor is for responding to the ambient brightness around described display terminal; Generate display brightness contrast by described feedback module, and send to described adjusting module; By described display brightness contrast be set between display brightness and ambient brightness to specific luminance, thus can lightness environmentally, adjust the input voltage of each LED control channel, thus make the display screen that is made up of each LED unit or lamp decoration product, different field settings and different time periods can be applied in, same good display effect can be kept.
And for example, on above-mentioned each routine basis, described voltage regulator module also arranges one and pre-sets input, described input may be used for inputting various data, to arrange the maximum display voltage of described display terminal in described voltage regulator module, the parameters such as maximum displays temperature and maximum display brightness contrast, by arranging the maximum display voltage of described display terminal, maximum displays temperature and maximum display brightness contrast, described adjusting module can be prevented when calculating described optimum voltage value, the voltage calculated makes each LED unit in procedure for displaying, exceed the maximum display magnitude of voltage of setting, or exceed maximum displays temperature value, or exceed maximum display brightness contrast value.
Or, described LED controller can also also comprise a detection module, wherein, detection module one end is connected with display terminal, is detected the displaying data in real-time of described display terminal by described detection module, and, the described detection module other end is connected with described adjusting module, and the displaying data in real-time that described detection module will detect sends to described adjusting module, described adjusting module also for according to described displaying data in real-time, generates the second adjustment data; As, described adjusting module can comprise the first adjustment submodule and the second adjustment submodule, and the first adjustment submodule is for generating the first adjustment data, and the second adjustment submodule is for generating the second adjustment data; Wherein, each group of display data that the second adjustment data export for adjusting described distribution module, to prevent described display data from breaking down, cause display fault, as loss of data, and the phenomenons such as data distortion.
Or, an example is, described adjusting module is according to the quantity of each described LED control channel, correspondence arranges some Voltage Cortrol submodules, as, corresponding four LED control channels, arrange four Voltage Cortrol submodules, for with each described LED control channel one_to_one corresponding, be respectively used to the input voltage adjusting corresponding described LED control channel.Such as, have N number of LED control channel, then correspondence arranges N number of Voltage Cortrol submodule, the unique corresponding LED control channel of each Voltage Cortrol submodule, adjust the input voltage of this corresponding LED control channel, so just can realize adjusting voltage respectively to each LED control channel.
Be applied in above-mentioned each example, each group LED unit described comprises the LED unit of more than 10 or 10, each LED unit can connect for serial or parallel, and each LED unit can comprise one or more LED, and each LED can be red LED or green LED or blue led.
Or, another is at example, described signal input part only arranges a signal input interface, and, input described control signal by means of only a signal line, so, input described control signal by a signal line, traditional four holding wires can be integrated, use a DATA holding wire to transmit all signals, simplify the circuit needed for transfer of data, while greatly simplifying cascaded transmission circuit, high-quality Visual Display Data can have been transmitted; And, adopt the mode of display data packet, RGB display data signal and CLK clock signal and ENABLE signal are integrated and carry out package, and in package, be composed of data packet head and packet tail and error checking deceive code, while allowing to transmit data in a serial fashion, judged with rub-out signal and carried out error correction; So greatly reduce the design difficulty of final products, be conducive to designing the innovative product that transmission performance is stablized, display effect is excellent, structure is simple, form is exquisite, reduce design and production cost, enhance productivity.
Or, described signal input part arranges two or more signal input interface, arrange one is wherein main signal input interface, other are from signal input interface, and, input described control signal respectively by each signal line, namely each signal data interface is connected with a holding wire, input identical synchronous LED control signal by a holding wire, and according to pre-seting mode, select the described control signal that one of them holding wire inputs.
Such as, when main signal input interface and respectively all normal from signal input interface time, then preferentially select the LED control signal that described main signal input interface inputs, when when judging described main signal input interface or connected signal line fault, then switch to select arbitrary described from signal input interface.So, the backup of the LED control signal from the LED control signal of signal input interface input being the input of main signal input interface can be made, when main signal input interface breaks down, can adopt respectively from the LED control signal of signal input interface input, the input of LED control signal is stable, reliable, make after main signal input interface breaks down, described LED controller still can normally work, and reliability is high.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (4)
1. a LED controller, is characterized in that, comprises signal input part, processing module, distribution module, at least four LED control channels, feedback module and adjusting module;
Described signal input part, for reception control signal data, and is transferred to described processing module;
Described processing module is connected with described signal input part, described distribution module, for the treatment of described control signal data, generates display data, sends to described distribution module;
Described distribution module is according to the quantity pre-seting the method for salary distribution and each described LED control channel, described display data correspondence is distributed at least four group display data, the corresponding LED control channel of each group display data, and, send to each described LED control channel respectively;
Each described LED control channel respectively with each group of corresponding connection of LED unit of outside display terminal, for each group of display data according to its correspondence, corresponding drived control respectively organizes LED unit;
Described feedback module one end is connected with described display terminal, the other end is connected with described adjusting module, for detecting the real-time show state of described display terminal, and be sent to described adjusting module, described real-time show state comprises the display voltage of each LED unit, displays temperature and display brightness contrast, and described adjusting module correspondence arranges voltage-contrast unit, temperature comparisons's unit and luminance contrast contrast unit;
Described adjusting module is also connected with described distribution module, for according to described real-time show state, and, contrast with preset standard value, generate the first adjustment data, adjust the output voltage of described distribution module;
Also comprise a detection module, described detection module one end is connected with display terminal, the displaying data in real-time of described display terminal is detected by described detection module, further, the described detection module other end is connected with described adjusting module, the displaying data in real-time that described detection module will detect, send to described adjusting module, described adjusting module also for according to described displaying data in real-time, generates the second adjustment data, for adjusting each group of display data that described distribution module exports;
Described feedback module is also connected with at least one first inductor, for responding to the displays temperature of described display terminal, be connected with at least two second inductors, wherein, one second inductor is for responding to the display brightness of described display terminal, and another second inductor is for responding to the ambient brightness around described display terminal; Generate display brightness contrast by described feedback module, and send to described adjusting module;
Described signal input part arranges at least two signal input interfaces, arrange one is wherein main signal input interface, other are from signal input interface, and, described control signal is inputted respectively by each signal line, when main signal input interface and respectively all normal from signal input interface time, then preferentially select the LED control signal that described main signal input interface inputs, when when judging described main signal input interface or connected signal line fault, then switch to select arbitrary described from signal input interface.
2. LED controller according to claim 1, is characterized in that, described voltage regulator module arranges one and pre-sets input, for arranging described display terminal maximum display voltage, maximum displays temperature and maximum display brightness contrast.
3. LED controller according to claim 1, it is characterized in that, described adjusting module is according to the quantity of each described LED control channel, correspondence arranges some Voltage Cortrol submodules, with each described LED control channel one_to_one corresponding, be respectively used to the input voltage adjusting corresponding described LED control channel.
4. LED controller according to claim 1, is characterized in that, each group LED unit described comprises at least 10 LED unit, and each LED unit serial or parallel connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010240782.8A CN101917800B (en) | 2010-07-30 | 2010-07-30 | A kind of LED controller |
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| CN201010240782.8A CN101917800B (en) | 2010-07-30 | 2010-07-30 | A kind of LED controller |
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| CN101917800A CN101917800A (en) | 2010-12-15 |
| CN101917800B true CN101917800B (en) | 2016-03-02 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136235A (en) * | 2011-03-17 | 2011-07-27 | 深圳市中庆微科技开发有限公司 | Intelligent debugging system for detecting LED (Light Emitting Diode) display screen on line |
| CN102254509B (en) * | 2011-04-08 | 2015-08-05 | 深圳市中庆微科技开发有限公司 | A kind of control chip of intelligent display |
| CN102201201B (en) * | 2011-05-06 | 2016-03-23 | 深圳市中庆微科技开发有限公司 | A kind of LED display of intelligence |
| CN102592541B (en) * | 2012-01-19 | 2015-12-09 | 深圳市中庆微科技开发有限公司 | A kind of LED control system |
| CN102890911B (en) * | 2012-09-07 | 2014-10-29 | 深圳市易事达电子股份有限公司 | Light-emitting diode (LED) display screen controller |
| CN104392683B (en) * | 2014-12-11 | 2017-10-10 | 广东威创视讯科技股份有限公司 | A kind of LED display modules and display screen |
| CN105848385B (en) * | 2016-04-18 | 2018-06-22 | 珠海市广浩捷精密机械有限公司 | A kind of light-source system and its method |
| CN105960066A (en) * | 2016-07-01 | 2016-09-21 | 安徽亮亮电子科技有限公司 | Intelligent regulator used for LED |
| CN106297651A (en) * | 2016-09-04 | 2017-01-04 | 芜湖纯元光电设备技术有限公司 | A kind of LED intelligence control system |
| CN114267289A (en) * | 2021-12-31 | 2022-04-01 | 深圳市中科创激光技术有限公司 | Lamp temperature monitoring method and related equipment thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489334A (en) * | 2009-02-11 | 2009-07-22 | 北京中庆微数字设备开发有限公司 | Electrical power with preset value, controller, dispenser, dispensing system and dispensing method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489334A (en) * | 2009-02-11 | 2009-07-22 | 北京中庆微数字设备开发有限公司 | Electrical power with preset value, controller, dispenser, dispensing system and dispensing method |
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