CN100555406C - To method for regulating outdoor display screen brightness - Google Patents
To method for regulating outdoor display screen brightness Download PDFInfo
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- CN100555406C CN100555406C CNB200710094221XA CN200710094221A CN100555406C CN 100555406 C CN100555406 C CN 100555406C CN B200710094221X A CNB200710094221X A CN B200710094221XA CN 200710094221 A CN200710094221 A CN 200710094221A CN 100555406 C CN100555406 C CN 100555406C
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- outdoor display
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Abstract
A kind of to method for regulating outdoor display screen brightness, it is the local host of display screen storage outdoor display screen ambient brightness of living in and outdoor display screen brightness out of doors in advance, and the relation table that concerns between the local time of outdoor display screen their location and the outdoor display screen brightness, the brightness of measuring current described outdoor display screen environment of living in then by the luminance sensor of outdoor display screen configuration, then by the local host of described outdoor display screen according to the measured brightness value of described luminance sensor, the clock of described local host, and described relation table is determined the brightness of current described outdoor display screen, the brightness of described outdoor display screen is regulated according to the determined brightness value of described local host by the video control module of described outdoor display screen configuration at last, so can improve the accuracy of brightness regulation, effectively reduce the energy consumption of outdoor display screen.
Description
Technical field
The present invention relates to the outdoor display screen field, relate in particular to a kind of method for regulating outdoor display screen brightness.
Background technology
At present in each big city, being provided with numerous outdoor display screens is used for providing information to general public, especially in the current medium epoch, more production firm also favors in adopting outdoor advertisement screen to issue its product information, yet as the outdoor light-emitting display device, as the full-color advertisement screen of outdoor LED, intrinsic brilliance demand under varying environment light is not quite similar, for example, when ambient light is strong, the brightness of the full-color advertisement screen of outdoor LED is corresponding also to be needed to strengthen, and when ambient light is more weak, and the brightness of the full-color advertisement screen of outdoor LED corresponding needs again weakens.And be arranged on the outdoor full-color advertisement screen of outdoor LED usually is the situation that is in unattended duty, therefore can regulate voluntarily with the variation of ambient brightness for the actual luminosity that makes the full-color advertisement screen of outdoor LED, reach the purpose of control energy consumption when satisfying good viewing effect, comparatively common way is to install a luminance sensor to gather the brightness of outdoor display screen environment of living on the display screen out of doors at present, see also Fig. 1, the luminance sensor that is arranged on LED screen top is sent to local host with the environmental light brightness of gathering, determine that according to described environmental light brightness value LED shields needed brightness by local host, regulate the brightness of LED screen then by the video control module that is connected with local host according to determined brightness value.The status requirement that but this method is installed luminance sensor is higher, otherwise be subjected to the influence of car bulb, street lamp or shop neon bulb at night easily, the ambient brightness that it is measured is more higher than actual value, if the brightness that local host is regulated the LED screen according to measured ambient brightness will cause brightness strong excessively, and so in short supply current of the energy, the waste that will cause a large amount of energy is by force crossed in the brightness of numerous LED screen, and then has improved the use cost of LED screen.
Therefore the accuracy that how further to improve the outdoor display screen brightness regulation has become the technical task that those skilled in the art need to be resolved hurrily in fact.
Summary of the invention
The object of the present invention is to provide a kind ofly, improving accuracy, and then realize the reduction of energy resource consumption the outdoor display screen brightness regulation to method for regulating outdoor display screen brightness.
In order to achieve the above object, provided by the invention to method for regulating outdoor display screen brightness, it comprises step: the 1) relation table that concerns between the local host of display screen storage outdoor display screen ambient brightness of living in and outdoor display screen brightness, the local time that reaches the outdoor display screen their location and the outdoor display screen brightness out of doors in advance; 2) luminance sensor of the outdoor display screen configuration brightness of measuring current described outdoor display screen environment of living in; 3) local host of described outdoor display screen according to the clock of the measured brightness value of described luminance sensor, described local host, and described relation table select the brightness of outdoor display screen brightness value smaller as current described outdoor display screen; 4) the video control module of described outdoor display screen configuration is regulated the brightness of described outdoor display screen according to the determined brightness value of described local host.
Wherein, the described manual adjustments step that also can comprise brightness to method for regulating outdoor display screen brightness, promptly provide one to import the adjusting interface of the brightness and the term of validity according to user's demand for the user by described local host, and the brightness value and the term of validity imported at described adjusting interface according to the user make described video control module give corresponding adjusting to described outdoor display screen brightness in the described term of validity, wherein, described local host stores the highest prioritization table of manual adjustments priority in advance; It also can comprise by remote server makes amendment so that described local host is controlled the Long-distance Control step of described outdoor display screen according to corresponding modify to described relation table, prioritization table and described adjusting interface.
Preferably, described outdoor display screen can be the full-color advertisement screen of liquid crystal.
In sum, of the present invention will regulate outdoor display screen brightness and regulate two kinds of methods of outdoor display screen brightness according to ambient brightness method for regulating outdoor display screen brightness according to the time combine, can effectively improve the accuracy of brightness regulation, can assist in addition with manual adjustments to adapt to the generation of all kinds of unusual conditions, so can further improve the accuracy of brightness regulation, and then can reduce the energy consumption of outdoor display screen.
Description of drawings
Fig. 1 is the synoptic diagram of existing LED screen brightness regulation.
Fig. 2 is the operating process synoptic diagram to method for regulating outdoor display screen brightness of the present invention.
Embodiment
See also Fig. 1, of the present invention method for regulating outdoor display screen brightness mainly be may further comprise the steps:
The first step: the local host of display screen storage outdoor display screen ambient brightness of living in and outdoor display screen brightness out of doors in advance, and the relation table that concerns between the local time of outdoor display screen their location and the outdoor display screen brightness, usually managerial personnel are in the area that outdoor display screen is installed, can the brightness of ambient brightness and outdoor display screen be made a preliminary test, to determine preferable relation between the two, equally, also can make a preliminary test for concerning between local time of outdoor display screen their location and the outdoor display screen brightness, for example, can be as shown in table 1 below through preliminary test back at the relation table of local host storage, be noted that, following table is the illustrative ambient brightness only, relation between local time and the outdoor display screen brightness, in practice, the ambient brightness segmentation, local time segmentations etc. can be more accurate, and, be arranged on the outdoor display screen of different regions, each relation table of its corresponding each local host storage is not quite similar, usually the foundation of relation table is according to the characteristics of the residing region of local host and variant slightly, so illustrated at this, have again, table 1 can also can be directly inputted into local host by local staff by reaching under the remote server in the corresponding local host.
Table 1:
| Ambient brightness (unit: cd) | Outdoor display screen brightness (unit: cd) | Local time | Outdoor display screen brightness (unit: cd) |
| 800-1000 | 1000 | 7:00-19:00 | 1500-2500 |
| 1000-1500 | 1500 | 19:00-7:00 | 1000-1500 |
| 1500-2000 | 2500 |
Second step: the brightness that the luminance sensor of outdoor display screen configuration is measured current described outdoor display screen environment of living in, the set-up mode of luminance sensor and measuring principle are all known to those skilled in the art to be known, so be not described in detail in this, for example in the present embodiment, to measure the brightness of current described environment be 800 to described luminance sensor.
The 3rd step: the local host of described outdoor display screen is according to the measured brightness value of described luminance sensor, the clock of described local host, and described relation table is selected the brightness of outdoor display screen brightness value smaller as current described outdoor display screen, for example, described local host determines that according to measured brightness value (800) and described relation table the brightness of described outdoor display screen is 1000, simultaneously described local host can determine that according to its clock (for example being 12:00) and described relation table the brightness range of described outdoor display screen is 1500-2500, and local host is by relatively selecting the brightness value of smaller value wherein (promptly 1000) as current described outdoor display screen thus.
The 4th step: the video control module of described outdoor display screen configuration is regulated the brightness of described outdoor display screen according to the determined brightness value of described local host, for example, described local host determines that the brightness of current outdoor display screen is 1000, and the corresponding video control module is according to the instruction of the described local host brightness regulation to 1000 with described outdoor display screen.
Yet; be arranged on the outdoor display screen of zones of different; usually can be because of various unusual conditions (anomalous weather for example; display screen itself aging or the like) cause adopting above-mentioned brightness adjusting method still not accurate enough; therefore; also dispose the manual adjustment function for outdoor display screen; promptly manually regulate the highest prioritization table of priority (because accuracy height of manual adjustments) in local host storage one in advance; then when the user need carry out brightness regulation to outdoor display screen; described local host provides one to supply the user to import the adjusting interface of the brightness and the term of validity; when the user after the described adjusting interface input corresponding bright (for example being 1500) and the term of validity (for example being 8:00-18:00 8:00-18:00 to 10 day on the 5th Dec in 2007), described local host according to the user the brightness value of described adjusting interface input and the term of validity make described video control module 8:00-18:00 to 10 day on the 5th Dec in 2007 8:00-18:00 with described outdoor display screen brightness regulation to 1500.
In addition, for ease of the outdoor display screen that is arranged on zones of different is carried out unified management, also can make amendment to described relation table, prioritization table and described adjusting interface by remote server, and will reach described local host under amended relation table, prioritization table and the described adjusting interface, according to the information that receives outdoor display screen is carried out corresponding control by local host, so can make the managerial personnel of outdoor display screen need not arrive the on-the-spot Long-distance Control that just can realize outdoor display screen.
Have, be noted that, described relation table and prioritization table etc. all can be stored in by the form of configuration file among the local host, and so remote server only need be made amendment to profile parameters and can be realized corresponding Long-distance Control.
In sum, of the present invention will regulate outdoor display screen brightness and regulate two kinds of methods of outdoor display screen brightness according to the time method for regulating outdoor display screen brightness according to ambient brightness combine, can effectively improve the accuracy of brightness regulation, also improved simultaneously brightness regulation efficient, assist with manual adjustments more in addition to adapt to the generation of all kinds of unusual conditions, can further improve the accuracy of brightness regulation, and then can realize the effectively energy-conservation of outdoor display screen, reduce the use cost of outdoor display screen.
Claims (4)
1. one kind to method for regulating outdoor display screen brightness, it is characterized in that comprising step:
1) relation table that concerns between the local host of display screen storage outdoor display screen ambient brightness of living in and outdoor display screen brightness, the local time that reaches the outdoor display screen their location and the outdoor display screen brightness out of doors in advance;
2) luminance sensor of the outdoor display screen configuration brightness of measuring current described outdoor display screen environment of living in;
3) local host of described outdoor display screen according to the clock of the measured brightness value of described luminance sensor, described local host, and described relation table select the brightness of outdoor display screen brightness value smaller as current described outdoor display screen;
4) the video control module of described outdoor display screen configuration is regulated the brightness of described outdoor display screen according to the determined brightness value of described local host.
2. as claimed in claim 1 to method for regulating outdoor display screen brightness, it is characterized in that also comprising the manual adjustments step of brightness, promptly provide one to import the adjusting interface of the brightness and the term of validity according to user's demand for the user by described local host, and the brightness value and the term of validity imported at described adjusting interface according to the user make described video control module give corresponding adjusting to described outdoor display screen brightness in the described term of validity, wherein, described local host stores the highest prioritization table of manual adjustments priority in advance.
3. as claimed in claim 2 to method for regulating outdoor display screen brightness, it is characterized in that also comprising by remote server and made amendment so that described local host is controlled the Long-distance Control step of described outdoor display screen according to corresponding modify in described relation table, prioritization table and described adjusting interface.
4. as claimed in claim 1 to method for regulating outdoor display screen brightness, it is characterized in that: described outdoor display screen is the full-color advertisement screen of liquid crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710094221XA CN100555406C (en) | 2007-11-09 | 2007-11-09 | To method for regulating outdoor display screen brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710094221XA CN100555406C (en) | 2007-11-09 | 2007-11-09 | To method for regulating outdoor display screen brightness |
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| Publication Number | Publication Date |
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| CN101162578A CN101162578A (en) | 2008-04-16 |
| CN100555406C true CN100555406C (en) | 2009-10-28 |
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| CNB200710094221XA Expired - Fee Related CN100555406C (en) | 2007-11-09 | 2007-11-09 | To method for regulating outdoor display screen brightness |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101739928B (en) * | 2008-11-27 | 2012-05-09 | 英业达股份有限公司 | Brightness adjusting method and portable electronic device applying same |
| CN101493202B (en) * | 2009-03-06 | 2014-05-07 | 北京中庆微数字设备开发有限公司 | Brightness adjustable luminous indicator |
| CN101932163B (en) * | 2009-06-19 | 2013-04-17 | 海洋王照明科技股份有限公司 | Illumination control system and method |
| CN101729834B (en) * | 2009-11-18 | 2012-06-13 | 北京同方瑞博数字技术有限公司 | Liquid crystal television system capable of being used under outdoor environment |
| CN102637410B (en) * | 2011-02-12 | 2015-02-04 | 青岛海信电器股份有限公司 | Processing method and device of backlight brightness control signal |
| CN102438032A (en) * | 2011-08-05 | 2012-05-02 | 厦门市产品质量监督检验院 | Road brightness wireless measuring system and road brightness wireless measuring method |
| CN104992664B (en) * | 2015-01-30 | 2017-11-07 | 深圳市奥拓电子股份有限公司 | A kind of LED display brightness adjusting method, device and LED display |
| CN105066024A (en) * | 2015-07-17 | 2015-11-18 | 中微光电子(潍坊)有限公司 | Street lamp device |
| CN106228945A (en) * | 2016-07-21 | 2016-12-14 | 广东欧珀移动通信有限公司 | Control method and control device |
| CN107978267A (en) * | 2017-11-27 | 2018-05-01 | 苏州惠琪特电子科技有限公司 | A kind of LED display |
| CN114141194B (en) * | 2021-12-03 | 2023-04-07 | 浙江欧菲克斯交通科技有限公司 | Self-adaptive brightness adjustment method and system for outdoor LED display screen |
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