CN114007311A - Stage lamp system capable of realizing brightness correction according to attenuation coefficient - Google Patents
Stage lamp system capable of realizing brightness correction according to attenuation coefficient Download PDFInfo
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- CN114007311A CN114007311A CN202111646166.7A CN202111646166A CN114007311A CN 114007311 A CN114007311 A CN 114007311A CN 202111646166 A CN202111646166 A CN 202111646166A CN 114007311 A CN114007311 A CN 114007311A
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- light source
- brightness
- attenuation
- attenuation coefficient
- stage
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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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
Abstract
The invention discloses a stage lamp system for realizing brightness correction according to attenuation coefficients, which comprises a memory, wherein the memory stores a brightness attenuation table of a light source and historical working information of the light source; the attenuation detection module reads historical working information of the light source and acquires the current attenuation coefficient of the light source according to the brightness attenuation table; and the controller is used for calculating a correction brightness control signal required for realizing the target brightness value by combining the current attenuation coefficient of the light source and sending the correction brightness control signal to the light source. The brightness attenuation table and the historical working information of the light source are stored by the memory, the historical working information of the light source is read by the attenuation detection module, the current attenuation coefficient is obtained by matching the attenuation table with the brightness attenuation table, then the controller calculates a corrected brightness control signal required by achieving the target brightness value and sends the corrected brightness control signal to the light source, and the light source sends out a light beam with the target brightness value according to the corrected brightness control signal to achieve brightness correction.
Description
Technical Field
The invention relates to the technical field of stage lamps, in particular to a stage lamp system capable of realizing brightness correction according to an attenuation coefficient.
Background
The stage lamp is used as a performance effect lamp, has high light effect requirements, particularly needs uniform brightness of all lamps on the uniformity of light effects, and cannot show local brightness or darkness of the stage. The light source of the stage lamp can have brightness attenuation along with use, namely, the old lamp is darker than the new lamp under the same driving signal, and the service time and the working power of each stage lamp are different, so that the light source attenuation of each stage lamp is different, and as new lamps or light sources of partial lamps are added, the condition that the brightness of the lamps used in the same stage scene is not uniform can be caused, and the stage effect is influenced.
Disclosure of Invention
The present invention provides a stage light system for implementing brightness correction according to attenuation coefficient, which can implement brightness adjustment and correction according to attenuation of light source, so as to achieve target brightness value.
In order to solve the technical problems, the invention adopts the technical scheme that: a stage lamp system for realizing brightness correction according to attenuation coefficients comprises a memory, wherein the memory stores a brightness attenuation table of a light source and historical working information of the light source;
the attenuation detection module reads historical working information of the light source and acquires the current attenuation coefficient of the light source according to the brightness attenuation table;
and the controller is used for calculating a correction brightness control signal required for realizing the target brightness value by combining the current attenuation coefficient of the light source and sending the correction brightness control signal to the light source.
This application utilizes the memory stores the luminance decay table of light source and the historical work information of light source, and utilizes decay detection module reads the historical work information of light source, through historical work information with the current attenuation coefficient of light source is reachd in the matching of luminance decay table, then the controller combines the current attenuation coefficient of light source calculates the required correction luminance control signal of realization target brightness value to with correction luminance control signal transmission to the light source, the light source sends the light beam that has target brightness value according to correction luminance control signal, realizes the correction to light source luminance.
Further, the historical operating information includes a cumulative operating time of the light source. Since the stage lamp generally operates at maximum power when operating, that is, the light source operates at maximum brightness, the accumulated operating time is an important factor influencing the brightness attenuation of the stage lamp, the attenuation condition of the light source can be roughly judged according to the accumulated operating time, and the calculation and statistics are easy.
Further, the historical operating information includes historical power change data for the light source. When the stage lamp does not work at the maximum power, namely the light source does not work at the maximum brightness, in order to calculate the attenuation coefficient of the light source more accurately, the influence of the working power on the attenuation of the light source needs to be further considered, so that the brightness of the light source is calibrated more accurately.
Further, the power history change data includes accumulated operating times of a plurality of power segments. The historical working information includes historical power change data of the light source, specifically, accumulated working time of a plurality of power sections, and the accumulated working time of the plurality of power sections can be obtained by direct measurement or calculation, so that the working condition of the light source can be calculated conveniently.
Further, the historical operating information includes ambient temperature variation data of the light source. When the light source of the stage lamp works, the heat productivity is large, and once the heat dissipation is not good, the light source can be quickly attenuated, so that the attenuation condition of the light source can be accurately judged by combining the ambient temperature of the light source during working.
Further, the controller obtains the current attenuation coefficients of the light sources, calculates the predicted brightness values of the light sources in a common brightness control signal, and compares the predicted brightness values, wherein the predicted brightness value of one light source is used as a target brightness value. Therefore, the brightness of the light sources is adjusted, the predicted brightness value of one light source is taken as a target brightness value, and the brightness of at least part of the light sources is unified to obtain ideal stage lighting effect.
Further, the common brightness control signal is a maximum brightness control signal. In other words, under the maximum brightness of a plurality of light sources, the predicted brightness value corresponding to a certain light source is used as the target brightness value, so that the power of the light source is fully utilized as much as possible, and the brightness of the stage lamp is improved.
Further, the predicted luminance value of the light source with the lowest luminance is taken as the target luminance value. The target brightness value can be ensured to be reached by all the light sources, so that the brightness uniformity of the light sources is ensured.
Furthermore, each light source corresponds to one attenuation detection module, and the attenuation detection modules are connected with the same controller. I.e. each stage light is provided with one of said attenuation detection modules.
Furthermore, a plurality of the light sources are connected with the same attenuation detection module, and the attenuation detection module is connected with the controller. I.e. a plurality of stage lights share one of said attenuation detection modules.
Further, when a plurality of light sources simultaneously connected to the same controller are started, the current attenuation coefficient of each light source is obtained through the attenuation detection module. Even if a newly added stage lamp or a newly replaced light source is provided, the brightness uniformity of a plurality of light sources simultaneously connected with the same controller can be still ensured.
Further, the attenuation detection module obtains a current attenuation coefficient of the light source, specifically, historical work information of the light source is matched with the brightness attenuation table, the closest historical work information in the brightness attenuation table is anchored as a current state of the light source, and an attenuation coefficient corresponding to the historical work information is used as the current attenuation coefficient of the light source. Because the brightness attenuation table is that the historical working information point value of the light source corresponds to the attenuation coefficient, the point value of the current light source is not in the brightness attenuation table, and the closest state of the light source is found in an anchoring mode, so that the brightness attenuation table is simplified, and the brightness coordination of a plurality of light sources is facilitated.
Further, the memory is designed as one body with the light source. Therefore, no matter where the light source is replaced or a new light source is replaced, the stage lamp system adapting to the brightness correction can be ensured, and data errors can not occur.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a stage light system according to the invention, which realizes brightness correction according to attenuation coefficient.
FIG. 2 is a schematic diagram of the stage lighting system for brightness correction based on attenuation coefficient according to the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the stage light system according to the invention, which realizes brightness correction according to attenuation coefficient.
FIG. 4 is a schematic structural diagram of a stage lighting system according to a third embodiment of the present invention, wherein brightness correction is implemented according to attenuation coefficients.
In the figure:
100. a memory; 200. an attenuation detection module; 300. and a controller.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
As shown in fig. 1 and 2, the present invention provides a stage lighting system for implementing brightness correction according to attenuation coefficient, comprising a memory 100, wherein the memory 100 stores a brightness attenuation table of a light source and historical operating information of the light source;
the attenuation detection module 200 reads historical working information of the light source, and obtains a current attenuation coefficient of the light source according to the brightness attenuation table;
and a controller 300, the controller 300 calculating a correction brightness control signal required to achieve a target brightness value in combination with the current attenuation coefficient of the light source, and transmitting the correction brightness control signal to the light source.
The application utilizes memory 100 stores the luminance decay table of light source and the historical work information of light source, and utilizes decay detection module 200 reads the historical work information of light source, through historical work information with the matching of luminance decay table reachs the current attenuation coefficient of light source, then controller 300 combines the current attenuation coefficient of light source calculates the required correction luminance control signal of realizing the target brightness value to with correction luminance control signal transmission to the light source, the light source sends the light beam that has the target brightness value according to correction luminance control signal, realizes the correction to light source luminance.
Alternatively, the brightness attenuation table may be provided by a supplier or may be measured by a user.
Optionally, the attenuation detection module 200 and the controller 300 may be located inside the stage lamp or may be independent of the stage lamp.
In a preferred embodiment of the present invention, the historical operating information includes accumulated operating time of the light source. Since the stage lamp generally operates at maximum power when operating, that is, the light source operates at maximum brightness, the accumulated operating time is an important factor influencing the brightness attenuation of the stage lamp, the attenuation condition of the light source can be roughly judged according to the accumulated operating time, and the calculation and statistics are easy.
In a preferred embodiment of the invention, the historical operating information comprises historical power change data of the light source. When the stage lamp does not work at the maximum power, namely the light source does not work at the maximum brightness, in order to calculate the attenuation coefficient of the light source more accurately, the influence of the working power on the attenuation of the light source needs to be further considered, so that the brightness of the light source is calibrated more accurately.
Optionally, the historical power change data of the light source is derived from the relationship between current and voltage flowing through the light source.
In a preferred embodiment of the present invention, the power history variation data includes accumulated operating times of a plurality of power segments. The historical working information includes historical power change data of the light source, specifically, accumulated working time of a plurality of power sections, and the accumulated working time of the plurality of power sections can be obtained by direct measurement or calculation, so that the working condition of the light source can be calculated conveniently.
In a preferred embodiment of the invention, the historical operating information comprises ambient temperature variation data of the light source. When the light source of the stage lamp works, the heat productivity is large, and once the heat dissipation is not good, the light source can be quickly attenuated, so that the attenuation condition of the light source can be accurately judged by combining the ambient temperature of the light source during working.
In this embodiment, the historical operating information only includes the accumulated operating time of the light source, since the light source of the stage light is generally operated at maximum power when operating.
As shown in fig. 3 and 4, in a preferred embodiment of the present invention, the controller 300 obtains the current attenuation coefficients of the light sources, and calculates the predicted brightness values of the light sources in a common brightness control signal for comparison, wherein the predicted brightness value of a light source is used as the target brightness value. Therefore, the brightness of the light sources is adjusted, the predicted brightness value of one light source is taken as a target brightness value, and the brightness of at least part of the light sources is unified to obtain ideal stage lighting effect.
In a preferred embodiment of the present invention, the common luminance control signal is a maximum luminance control signal. In other words, under the maximum brightness of a plurality of light sources, the predicted brightness value corresponding to a certain light source is used as the target brightness value, so that the power of the light source is fully utilized as much as possible, and the brightness of the stage lamp is improved.
In a preferred embodiment of the present invention, the predicted luminance value of the light source with the lowest luminance is taken as the target luminance value. The target brightness value can be ensured to be reached by all the light sources, so that the brightness uniformity of the light sources is ensured. At this time, the brightness of other light sources needs to be reduced to match the light source with the lowest brightness, so that the brightness uniformity is realized.
Alternatively, when the common luminance control signal is not the maximum luminance control signal, if the predicted luminance value of the light source having the lowest luminance is not simultaneously taken as the target luminance value, the luminance of the light source lower than the target luminance value may be increased, and the luminance of the light source higher than the target luminance value may be decreased, thereby achieving uniformity of luminance.
In the preferred embodiment of the present invention, as shown in fig. 3, each of the light sources corresponds to one of the attenuation detection modules 200, and a plurality of the attenuation detection modules 200 are connected to the same controller 300. I.e. each stage lamp is provided with one of said attenuation detection modules 200. Typically, a light source is provided within a stage light, so that in this case, the controller 300 is located outside the stage light, while the attenuation detection module 200 is located within the stage light.
Referring to fig. 4, in a preferred embodiment of the present invention, a plurality of light sources are connected to the same attenuation detecting module 200, and the attenuation detecting module 200 is connected to the controller 300. I.e. a plurality of stage lights share one of the attenuation detection modules 200. Typically, a light source is provided within a stage light, so that the controller 300 is now located off the stage light, while the attenuation detection module 200 is independent of the stage light.
In a preferred embodiment of the present invention, when a plurality of light sources simultaneously connected to the same controller 300 are started, the current attenuation coefficient of each light source is obtained by the attenuation detection module 200. Even if a newly added stage lamp or a newly replaced light source is provided, it is still possible to ensure that the brightness of a plurality of light sources simultaneously connected to the same controller 300 is uniform.
Optionally, each time one of the light sources is activated, the controller 300 obtains its current attenuation coefficient through the attenuation detection module 200.
In a preferred embodiment of the present invention, the attenuation detecting module 200 obtains the current attenuation coefficient of the light source, specifically, matches the historical operating information of the light source with the brightness attenuation table, anchors the closest historical operating information in the brightness attenuation table as the current state of the light source, and uses the corresponding attenuation coefficient as the current attenuation coefficient of the light source. Because the brightness attenuation table is that the historical working information point value of the light source corresponds to the attenuation coefficient, the point value of the current light source is not in the brightness attenuation table, and the closest state of the light source is found in an anchoring mode, so that the brightness attenuation table is simplified, and the brightness coordination of a plurality of light sources is facilitated.
Alternatively, the brightness attenuation table may exist in other forms, for example, a brightness attenuation is taken out or a brightness attenuation formula, etc. may represent a form in which the brightness attenuation is associated with the historical operation information, and it should be understood that the form is also within the scope of the present application.
In a preferred embodiment of the invention, the memory 100 is designed in one piece with the light source. Therefore, no matter where the light source is replaced or a new light source is replaced, the stage lamp system adapting to the brightness correction can be ensured, and data errors can not occur.
Optionally, the number of the memory 100 may be 2, the memory 100 stores a brightness attenuation table and historical work information respectively, and 2 positions of the memory 100 may be designed as required, for example, 2 positions of the memory 100 and the light source are designed as a whole, or the memory 100 stores historical work information and the light source are designed as a whole, and the memory 100 stores the brightness attenuation table and is designed at other positions in the stage lamp or outside the stage lamp.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (13)
1. A stage lamp system for realizing brightness correction according to attenuation coefficient is characterized by comprising
A memory (100), wherein the memory (100) stores a brightness attenuation table of the light source and historical working information of the light source;
the attenuation detection module (200), the attenuation detection module (200) reads the historical working information of the light source, and obtains the current attenuation coefficient of the light source according to the brightness attenuation table;
and a controller (300), the controller (300) calculating a correction brightness control signal required to achieve a target brightness value in combination with a current attenuation coefficient of the light source, and transmitting the correction brightness control signal to the light source.
2. The stage light system for brightness correction based on attenuation coefficient as recited in claim 1, wherein the historical operating information comprises accumulated operating time of the light source.
3. The stage lamp system for brightness correction based on attenuation coefficient as recited in claim 1, wherein the historical operating information comprises historical power change data of the light source.
4. The stage light system for performing brightness correction based on attenuation factor as recited in claim 3, wherein the power history variation data comprises cumulative operating times of a plurality of power segments.
5. The stage light system for brightness correction based on attenuation coefficient as recited in claim 1, wherein the historical operating information comprises ambient temperature variation data of the light source.
6. The stage light system with brightness correction according to the attenuation coefficient as claimed in claim 1, wherein the controller (300) obtains the current attenuation coefficient of each of the plurality of light sources, and calculates the predicted brightness value of each light source in a common brightness control signal for comparison, wherein the predicted brightness value of a certain light source is taken as the target brightness value.
7. The stage light system for performing brightness correction according to attenuation coefficient as recited in claim 6, wherein the common brightness control signal is a maximum brightness control signal.
8. The stage lamp system according to claim 6 or 7, wherein the target brightness value is a predicted brightness value of the light source with the lowest brightness.
9. The stage lamp system for brightness correction according to attenuation coefficient as set forth in claim 6, wherein each of the light sources corresponds to one of the attenuation detecting modules (200), and a plurality of the attenuation detecting modules (200) are connected to the same controller (300).
10. The stage lamp system for brightness correction according to attenuation coefficient as set forth in claim 6, wherein a plurality of the light sources are connected to the same attenuation detecting module (200), and the attenuation detecting module (200) is connected to the controller (300).
11. The stage lamp system for brightness correction according to attenuation coefficient as set forth in claim 1, wherein a plurality of light sources connected to the same controller (300) at the same time are activated by the attenuation detecting module (200) to obtain the current attenuation coefficient of each light source.
12. The stage light system for realizing brightness correction according to attenuation coefficient as claimed in claim 1, wherein the attenuation detecting module (200) obtains the current attenuation coefficient of the light source, specifically, the historical operation information of the light source is matched with the brightness attenuation table, the closest historical operation information in the brightness attenuation table is anchored as the current state of the light source, and the attenuation coefficient corresponding to the historical operation information is used as the current attenuation coefficient of the light source.
13. Stage light system with brightness correction according to the attenuation coefficient as claimed in claim 1, characterized in that the memory (100) is designed in one piece with the light source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111646166.7A CN114007311B (en) | 2021-12-30 | 2021-12-30 | Stage lamp system capable of realizing brightness correction according to attenuation coefficient |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111646166.7A CN114007311B (en) | 2021-12-30 | 2021-12-30 | Stage lamp system capable of realizing brightness correction according to attenuation coefficient |
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| CN114007311A true CN114007311A (en) | 2022-02-01 |
| CN114007311B CN114007311B (en) | 2022-09-02 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040013348A1 (en) * | 2001-08-20 | 2004-01-22 | Glimmerglass Networks, Inc. | Method and apparatus for optical beam power attenuation |
| CN101360373A (en) * | 2007-08-01 | 2009-02-04 | 深圳Tcl工业研究院有限公司 | Power control method for LED backlight and LED display |
| CN101392875A (en) * | 2008-10-22 | 2009-03-25 | 北京巨数数字技术开发有限公司 | LED backlight system |
| CN105357823A (en) * | 2015-11-19 | 2016-02-24 | 浙江瑞瀛物联科技有限公司 | Method for solving LED illumination decay |
-
2021
- 2021-12-30 CN CN202111646166.7A patent/CN114007311B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040013348A1 (en) * | 2001-08-20 | 2004-01-22 | Glimmerglass Networks, Inc. | Method and apparatus for optical beam power attenuation |
| CN101360373A (en) * | 2007-08-01 | 2009-02-04 | 深圳Tcl工业研究院有限公司 | Power control method for LED backlight and LED display |
| CN101392875A (en) * | 2008-10-22 | 2009-03-25 | 北京巨数数字技术开发有限公司 | LED backlight system |
| CN105357823A (en) * | 2015-11-19 | 2016-02-24 | 浙江瑞瀛物联科技有限公司 | Method for solving LED illumination decay |
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