CN115866836A - Configuration control method and device based on LED composite light source - Google Patents
Configuration control method and device based on LED composite light source Download PDFInfo
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Abstract
The invention discloses a configuration control method and a configuration control device based on an LED composite light source, wherein the method comprises the following steps: acquiring target color temperature data and target brightness data of the LED composite light source irradiating on a target position; driving the LED composite light source to work and irradiate on the target position; acquiring and processing current brightness data and current color temperature data to obtain a plurality of brightness data and a plurality of color temperature data; judging whether the brightness of the LED composite light source is uniform or not; when the brightness of the LED composite light source is uniform, judging whether the LED composite light source meets target color temperature data; and when the LED composite light source does not meet the target color temperature data, modifying the brightness value ratio of RGB (red, green and blue) three-color LED lamp beads in the LED composite light source until the LED composite light source meets the target color temperature data. In the embodiment of the invention, the composite light configuration work required by a user is realized, and the configuration efficiency and the configuration accuracy are improved.
Description
Technical Field
The invention relates to the technical field of LED control, in particular to a configuration control method and device based on an LED composite light source.
Background
When the LED mixed light source is used, the different light-emitting proportions of the plurality of single-color LED light sources can be controlled according to the requirements of users, so that mixed light with different color temperatures and uniform brightness can be obtained, and the requirements of different scenes can be met; in the prior art, a plurality of single-color LED light sources are generally arranged in a mode of manual experiment and training to form an LED mixed light source, but the mode wastes time and labor, and causes great cost waste; the color temperature control is realized by adjusting the driving current of each single-color LED light source in the LED mixed light source in a manual measurement mode and a manual measurement result; this requires reliance on the experience of the respective staff members, resulting in higher costs and less efficiency.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a configuration control method and device based on an LED composite light source, which are used for realizing the configuration work of composite light required by a user and improving the configuration efficiency and the configuration accuracy.
In order to solve the above technical problem, an embodiment of the present invention provides a configuration control method based on an LED composite light source, where the LED composite light source is a light source formed by RGB three-color LED lamp beads arranged at a set distance, and the method includes:
obtaining target color temperature data and target brightness data of the LED composite light source irradiated on a target position based on user input;
driving the LED composite light source to work according to a preset working current and irradiating the LED composite light source on the target position;
acquiring and processing current brightness data and current color temperature data based on a plurality of light sensors arranged on the target position to obtain a plurality of brightness data and a plurality of color temperature data;
judging whether the brightness of the LED composite light source is uniform or not based on the plurality of brightness data;
when the brightness of the LED composite light source is uniform, judging whether the LED composite light source meets target color temperature data or not based on the plurality of color temperature data;
and when the LED composite light source does not meet the target color temperature data, modifying the brightness value ratio of RGB (red, green and blue) three-color LED lamp beads in the LED composite light source based on the deviation values of the plurality of color temperature data and the target color temperature data until the LED composite light source meets the target color temperature data.
Optionally, the light source that LED composite light source set up to constitute by RGB three-colour LED lamp pearl according to setting for the distance includes:
obtaining an illumination distribution diagram irradiated by each LED lamp bead in the LED composite light source at a given distance;
obtaining an illumination radius of a center area of a circle satisfying the target brightness data based on the illumination distribution map;
and arranging the RGB three-color LED lamp beads according to the illumination radius to form the LED composite light source.
Optionally, the will RGB three-colour LED lamp pearl is according to the illumination radius sets up and constitutes LED composite light source includes:
the RGB three-color LED lamp beads are arranged into the LED composite light source in an isosceles triangle mode; the side length of the isosceles triangle is greater than or equal to the length of the illumination radius and less than the sum of the lengths of the two illumination radii.
Optionally, the obtaining target color temperature data and target brightness data of the LED composite light source illuminated on the target position based on the user input includes:
and the user performs data input processing on an operation interface of the control terminal according to requirements, and obtains target color temperature data and target brightness data of the LED composite light source irradiated on a target position based on the input data.
Optionally, the driving the LED composite light source to work and irradiate on the target position according to the preset working current includes:
calculating the brightness of the RGB three-color LED lamp beads in the LED composite light source according to the target color temperature data and the target brightness data to obtain the brightness values of the RGB three-color LED lamp beads;
calculating to obtain a preset working current corresponding to the RGB three-color LED lamp bead based on the brightness value of the RGB three-color LED lamp bead;
and driving the corresponding lamp beads in the LED composite light source to work based on the preset working current corresponding to the RGB three-color LED lamp beads, and irradiating the target position.
Optionally, the preset working current corresponding to the RGB three-color LED lamp bead is obtained based on the calculation of the brightness value of the RGB three-color LED lamp bead, including:
and calculating the preset working current corresponding to the RGB three-color LED lamp bead based on the linear example relationship between the working current and the brightness value to obtain the preset working current corresponding to the RGB three-color LED lamp bead.
Optionally, the acquiring and processing of the current brightness data and the current color temperature data based on a plurality of optical sensors arranged at the target position to obtain a plurality of brightness data and a plurality of color temperature data includes:
and arranging a plurality of light sensors at equal intervals on the target position, and acquiring and processing current brightness data and current color temperature data based on the plurality of light sensors when the target position is irradiated by the LED composite light source to obtain a plurality of brightness data and a plurality of color temperature data.
Optionally, the method further includes:
and when the brightness of the LED composite light source is judged to be non-uniform, fine adjustment is carried out on the setting distance of the RGB three-color LED lamp beads within a given range, and the steps of collecting and processing current brightness data and current color temperature data based on a plurality of optical sensors arranged on the target position are returned after the fine adjustment.
Optionally, modifying the brightness ratio of the RGB three-color LED lamp bead in the LED composite light source based on the deviation value between the plurality of color temperature data and the target color temperature data, and until the LED composite light source meets the target color temperature data, includes:
performing fitting correction processing on the brightness ratio of the RGB three-color LED lamp beads in the LED composite light source according to the deviation values of the plurality of color temperature data and the target color temperature data to obtain a fitting correction brightness value ratio;
calculating and obtaining a preset working current corresponding to the RGB three-color LED lamp beads based on the fitting correction brightness value ratio of the RGB three-color LED lamp beads;
and returning to the step of driving the LED composite light source to work according to the preset working current and irradiating the LED composite light source on the target position for cyclic processing until the LED composite light source meets the target color temperature data.
In addition, an embodiment of the present invention further provides a configuration control device based on an LED composite light source, where the LED composite light source is a light source formed by RGB three-color LED lamp beads arranged at a set distance, and the device includes:
an input acquisition module: the LED composite light source is used for obtaining target color temperature data and target brightness data of the LED composite light source irradiating on a target position based on user input;
a driving module: the LED composite light source is driven to work according to a preset working current and irradiates on the target position;
a data acquisition module: the system comprises a plurality of light sensors arranged on the target position, a plurality of light sensors arranged on the target position and a plurality of light sensors arranged on the target position, wherein the light sensors are used for acquiring and processing current brightness data and current color temperature data to obtain a plurality of brightness data and a plurality of color temperature data;
a first judging module: the system is used for judging whether the brightness of the LED composite light source is uniform or not based on the plurality of brightness data;
a second judging module: the LED composite light source is used for judging whether the LED composite light source meets target color temperature data or not based on the plurality of color temperature data when the brightness of the LED composite light source is uniform;
a correction module: and the color temperature matching of the RGB three-color LED lamp beads in the LED composite light source is modified based on the deviation values of the plurality of color temperature data and the target color temperature data when the LED composite light source does not meet the target color temperature data, and the target color temperature data is met by the LED composite light source.
In the specific implementation process of the invention, the LED mixed light source consisting of the three-color LED lamp beads is arranged according to the preset distance, so that the uniform illumination brightness of the LED mixed light source can be realized; meanwhile, the target color temperature data and the target brightness data are used for obtaining preset working current, the LED mixed light source is driven to work through the preset working current, whether the working color temperature data meet the target color temperature data or not is judged, and when the working color temperature data do not meet the target color temperature data, the target color temperature data needed by a user can be realized by modifying the brightness value ratio of the three-color LED light source; the method can realize the configuration work of the composite light required by the user, and improve the configuration efficiency and the configuration accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a configuration control method based on an LED composite light source in an embodiment of the present invention;
fig. 2 is a schematic structural component diagram of a configuration control system based on an LED composite light source in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a configuration control method based on an LED composite light source according to an embodiment of the present invention.
As shown in fig. 1, a configuration control method based on an LED composite light source, wherein the LED composite light source is a light source formed by RGB three-color LED beads arranged at a set distance;
in the specific implementation process of the invention, the LED composite light source is a light source formed by RGB three-color LED lamp beads arranged according to a set distance, and comprises the following components: obtaining an illumination distribution diagram irradiated by each LED lamp bead in the LED composite light source at a given distance; obtaining an illumination radius of a center area of a circle satisfying the target brightness data based on the illumination distribution map; and arranging the RGB three-color LED lamp beads according to the illumination radius to form the LED composite light source.
Further, will RGB three-colour LED lamp pearl is according to the illuminance radius sets up and constitutes LED composite light source includes: the RGB three-color LED lamp beads are arranged into the LED composite light source in an isosceles triangle mode; the side length of the isosceles triangle is greater than or equal to the length of the illumination radius and less than the sum of the lengths of the two illumination radii.
Specifically, obtaining an illumination distribution map of illumination in a given illumination distance from illumination parameters in each LED lamp bead in the LED composite light source; the illumination radius of the center area of the circle center meeting the illumination of the target brightness data can be obtained through screening according to the illumination distribution map; finally, each LED lamp bead in the LED composite light source is required to be arranged according to the illumination radius, and the LED composite light source is finally formed; after the LED composite light source is formed, the LED lamp beads can be adjusted in a micro-adjustment mode within a certain given range.
The RGB three-color LED lamp beads are arranged into an LED composite light source in an isosceles triangle mode; wherein, the side length of the isosceles triangle is more than or equal to the length of the illumination radius and less than the sum of the lengths of the two illumination radii.
The method comprises the following steps:
s11: obtaining target color temperature data and target brightness data of the LED composite light source irradiating on a target position based on user input;
in a specific implementation process of the present invention, the obtaining target color temperature data and target brightness data of the LED composite light source irradiated on a target position based on user input includes: and the user performs data input processing on an operation interface of the control terminal according to requirements, and obtains target color temperature data and target brightness data of the LED composite light source irradiated on a target position based on the input data.
Specifically, an operation interface is arranged in the control end and used for receiving target data input by a user; namely, a user can perform corresponding operation on the operation interface of the control end according to specific requirements on the LED composite light source and input corresponding data, and the control end can obtain target color temperature data and target brightness data of the LED composite light source irradiated on a target position according to the input data.
S12: driving the LED composite light source to work according to a preset working current and irradiating the LED composite light source on the target position;
in a specific implementation process of the present invention, the driving the LED composite light source to work and irradiate on the target position according to a preset working current includes: performing brightness calculation processing on RGB (red, green and blue) three-color LED lamp beads in the LED composite light source according to the target color temperature data and the target brightness data to obtain brightness values of the RGB three-color LED lamp beads; calculating to obtain a preset working current corresponding to the RGB three-color LED lamp beads based on the brightness values of the RGB three-color LED lamp beads; and driving the corresponding lamp beads in the LED composite light source to work based on the preset working current corresponding to the RGB three-color LED lamp beads, and irradiating the target position.
Further, the preset working current corresponding to the RGB three-color LED lamp bead is obtained based on the calculation of the brightness value of the RGB three-color LED lamp bead, including: and calculating the preset working current corresponding to the RGB three-color LED lamp bead based on the linear example relationship between the working current and the brightness value to obtain the preset working current corresponding to the RGB three-color LED lamp bead.
Specifically, after target color temperature data and target brightness data are obtained, brightness calculation processing of RGB three-color LED lamp beads in the LED composite light source can be carried out, and therefore brightness values of the RGB three-color LED lamp beads are obtained; the specific calculation is as follows:
(x r -x c )×L r ÷y r +(x g -x c )×L g ÷y g +(x b -x c )×L b ÷y b ＝0；
(y r -y c )×L r ÷y r +(y g -y c )×L g ÷y g +(y b -y c )×L b ÷y b ＝0；
L r +L g +L b ＝L c ；
the brightness values of the RGB three-color LED lamp beads can be calculated through simultaneous equations; the color coordinates of the RGB three-color LED lamp beads are known; after the target color temperature data is known, the color coordinates corresponding to the target color temperature data are also known; (x) in the above r ,y r ) Expressing color coordinate data of R color lamp beads in RGB three-color LED lamp beads; (x) g ,y g ) Expressing color coordinate data of G color lamp beads in RGB three-color LED lamp beads; (x) b ,y b ) Expressing color coordinate data of a B color lamp bead in RGB three-color LED lamp beads; (x) c ,y c ) Target color coordinate data corresponding to the target color temperature data is represented; l is r The brightness value of an R color lamp bead in the RGB three-color LED lamp bead is represented; l is g The brightness value of a G color lamp bead in the RGB three-color LED lamp beads is represented; l is b The brightness value of a B color lamp bead in the RGB three-color LED lamp beads is represented; l is c Indicating that the LED is in compliance with the target brightness data for the light source.
After the brightness value of the RGB three-color LED lamp beads is obtained through calculation of the calculation formula, the preset working current corresponding to the RGB three-color LED lamp beads can be calculated through the brightness value of the RGB three-color LED lamp beads; and then driving the corresponding lamp beads in the LED composite light source to work according to the preset working current corresponding to the RGB three-color LED lamp beads, and irradiating the lamp beads on the target position.
The brightness value of the RGB three-color LED lamp bead can be calculated to the preset working current corresponding to the RGB three-color LED lamp bead, and the working current and the brightness value are in a linear relation; obtaining typical working current and corresponding brightness value under the typical working current through working parameters of the LED lamp beads; the preset working current corresponding to the brightness value of the RGB three-color LED lamp bead can be calculated through the linear example relation between the working current and the brightness value.
S13: acquiring and processing current brightness data and current color temperature data based on a plurality of light sensors arranged on the target position to obtain a plurality of brightness data and a plurality of color temperature data;
in a specific implementation process of the present invention, the acquiring and processing of the current brightness data and the current color temperature data based on the plurality of optical sensors arranged at the target position to obtain the plurality of brightness data and the plurality of color temperature data includes: and arranging a plurality of light sensors at equal intervals on the target position, and acquiring and processing current brightness data and current color temperature data based on the plurality of light sensors when the target position is irradiated by the LED composite light source to obtain a plurality of brightness data and a plurality of color temperature data.
Specifically, through a plurality of light sensors that set up equidistance on the target location, the light sensor quantity that generally sets up is no less than 3, when the target location is shone by LED composite light source, can carry out current luminance data and current colour temperature data acquisition through a plurality of light sensor that sets up and handle, can obtain a plurality of luminance data and a plurality of colour temperature data.
S14: judging whether the brightness of the LED composite light source is uniform or not based on the plurality of brightness data;
in the specific implementation process of the invention, each brightness data in a plurality of brightness data is compared with other brightness data pairwise, and when the difference value of any group of data in the comparison is greater than a given preset value, the brightness unevenness of the LED composite light source can be judged; otherwise, judging that the brightness of the LED composite light source is uniform.
S15: when the brightness of the LED composite light source is judged to be uneven, fine adjustment is carried out on the setting distance of the RGB three-color LED lamp beads within a given range, and the steps of collecting and processing current brightness data and current color temperature data based on a plurality of optical sensors arranged on the target position are returned after the fine adjustment;
in the specific implementation process of the invention, when the brightness of the LED composite light source is judged to be uneven, the preset distance of the RGB three-color LED lamp beads in the LED composite light source can be adjusted in a mode of fine adjustment of the setting distance of the RGB three-color LED lamp beads in a given range, and after the fine adjustment, the steps of collecting and processing the current brightness data and the current color temperature data based on a plurality of optical sensors arranged on the target position are returned to carry out the failure processing.
S16: when the brightness of the LED composite light source is uniform, judging whether the LED composite light source meets target color temperature data or not based on the plurality of color temperature data;
in the specific implementation process of the invention, when the brightness of the LED composite light source is uniform, whether the LED composite light source meets the target color temperature data or not can be judged through a plurality of color temperature data; firstly, judging whether the difference value between a plurality of color temperature data is in a given range, judging whether the difference value between the plurality of color temperature data and the target color temperature data is in the given range when the difference value is in the given range, and entering S18 step when the difference value meets the target color temperature data in the given range; otherwise, the process proceeds to step S17.
S17: when the LED composite light source does not meet the target color temperature data, modifying the brightness value ratio of RGB (red, green and blue) three-color LED lamp beads in the LED composite light source based on the deviation values of the plurality of color temperature data and the target color temperature data until the LED composite light source meets the target color temperature data;
in a specific implementation process of the present invention, the modifying, based on the deviation value between the plurality of color temperature data and the target color temperature data, the brightness value ratio of the RGB three-color LED lamp bead in the LED composite light source until the LED composite light source meets the target color temperature data includes: performing fitting correction processing on the brightness ratio of the RGB three-color LED lamp beads in the LED composite light source according to the deviation values of the plurality of color temperature data and the target color temperature data to obtain a fitting correction brightness value ratio; calculating and obtaining a preset working current corresponding to the RGB three-color LED lamp beads based on the fitting correction brightness value ratio of the RGB three-color LED lamp beads; and returning to the step of driving the LED composite light source to work according to the preset working current and irradiating the LED composite light source on the target position for cyclic processing until the LED composite light source meets the target color temperature data.
Specifically, fitting and correcting the brightness ratio of the RGB three-color LED lamp beads in the LED composite light source according to the plurality of color temperature data and the target color temperature data deviation value; because the color temperature of the LED composite light source is determined by RGB three-color LED lamp beads, the fitting correction processing can be realized by changing the brightness of the lamp beads of R, G and B colors; subtracting the color coordinates of the plurality of color temperature data from the color coordinates of the target color temperature data, wherein the brightness of the red lamp bead can be reduced when the subtraction result in the X-axis direction is positive, and the brightness of the red lamp bead can be increased when the subtraction result in the X-axis direction is negative; when the subtraction result in the Y-axis direction is positive, the brightness of the green lamp beads can be reduced, and when the subtraction result in the Y-axis direction is negative, the brightness of the green lamp beads can be increased; if the subtraction result in the X-axis direction and the subtraction result in the Y-axis direction are positive at the same time, the brightness of the blue lamp beads can be increased, and if the subtraction result in the X-axis direction and the subtraction result in the Y-axis direction are negative, the brightness of the blue lamp beads can be decreased; namely, the successive fitting correction is carried out in the above mode; obtaining a fitting correction brightness value ratio, and finally calculating according to the fitting correction brightness value ratio of the RGB three-color LED lamp beads to obtain a preset working current corresponding to the RGB three-color LED lamp beads; the specific calculation process can utilize the above calculation formula; and then, the steps of driving the LED composite light source to work according to the preset working current and irradiating the LED composite light source on the target position are returned for cyclic processing until the LED composite light source meets the target color temperature data.
S18: and (6) ending.
In the specific implementation process of the invention, the LED mixed light source consisting of the three-color LED lamp beads is arranged according to the preset distance, so that the uniform illumination brightness of the LED mixed light source can be realized; meanwhile, the target color temperature data and the target brightness data are used for obtaining preset working current, the LED mixed light source is driven to work through the preset working current, whether the working color temperature data meet the target color temperature data or not is judged, and when the working color temperature data do not meet the target color temperature data, the target color temperature data needed by a user can be realized by modifying the brightness value ratio of the three-color LED light source; the configuration work of the composite light required by a user can be realized, and the configuration efficiency and the configuration accuracy are improved.
Example two
Referring to fig. 2, fig. 2 is a schematic structural composition diagram of a configuration control system based on an LED composite light source in an embodiment of the present invention.
As shown in fig. 2, a configuration control device based on an LED composite light source, wherein the LED composite light source is a light source formed by RGB three-color LED beads arranged at a set distance;
in the specific implementation process of the invention, the LED composite light source is a light source formed by RGB three-color LED lamp beads arranged according to a set distance, and comprises the following components: obtaining an illumination distribution map of illumination of each LED lamp bead in the LED composite light source on a given distance; obtaining an illumination radius of a center area of a circle meeting the target brightness data based on the illumination distribution map; and arranging the RGB three-color LED lamp beads according to the illumination radius to form the LED composite light source.
Further, with RGB three-colour LED lamp pearl according to the illuminance radius sets up and constitutes LED composite light source includes: the RGB three-color LED lamp beads are arranged into the LED composite light source in an isosceles triangle mode; the side length of the isosceles triangle is greater than or equal to the length of the illumination radius and less than the sum of the lengths of the two illumination radii.
Specifically, obtaining an illumination distribution map of illumination in a given illumination distance from illumination parameters in each LED lamp bead in the LED composite light source; the illumination radius of the center area of the circle center meeting the illumination of the target brightness data can be obtained through screening according to the illumination distribution map; finally, arranging each LED lamp bead in the LED composite light source according to the illumination radius, and finally forming the LED composite light source; after the LED composite light source is formed, the LED lamp beads can be adjusted in a micro-adjustment mode within a certain given range.
Setting RGB three-color LED lamp beads into an LED composite light source in an isosceles triangle manner; wherein, the side length of the isosceles triangle is more than or equal to the length of the illumination radius and less than the sum of the lengths of the two illumination radii.
The device comprises:
the input obtaining module 21: the LED composite light source is used for obtaining target color temperature data and target brightness data of the LED composite light source irradiating on a target position based on user input;
in a specific implementation process of the present invention, the obtaining target color temperature data and target brightness data of the LED composite light source irradiated on a target position based on user input includes: and the user performs data input processing on an operation interface of the control terminal according to requirements, and obtains target color temperature data and target brightness data of the LED composite light source irradiated on a target position based on the input data.
Specifically, an operation interface is arranged in the control end and used for receiving target data input by a user; namely, a user can perform corresponding operation on the operation interface of the control end according to specific requirements on the LED composite light source and input corresponding data, and the control end can obtain target color temperature data and target brightness data of the LED composite light source irradiated on a target position according to the input data.
The drive module 22: the LED composite light source is driven to work according to a preset working current and irradiates on the target position;
in a specific implementation process of the present invention, the driving the LED composite light source to work and irradiate on the target position according to a preset working current includes: performing brightness calculation processing on RGB (red, green and blue) three-color LED lamp beads in the LED composite light source according to the target color temperature data and the target brightness data to obtain brightness values of the RGB three-color LED lamp beads; calculating to obtain a preset working current corresponding to the RGB three-color LED lamp bead based on the brightness value of the RGB three-color LED lamp bead; and driving the corresponding lamp beads in the LED composite light source to work based on the preset working current corresponding to the RGB three-color LED lamp beads, and irradiating the target position.
Further, the preset working current corresponding to the RGB three-color LED lamp bead is obtained based on the calculation of the brightness value of the RGB three-color LED lamp bead, including: and calculating the preset working current corresponding to the RGB three-color LED lamp bead based on the linear example relationship between the working current and the brightness value to obtain the preset working current corresponding to the RGB three-color LED lamp bead.
Specifically, after target color temperature data and target brightness data are obtained, brightness calculation processing of RGB three-color LED lamp beads in the LED composite light source can be carried out, and therefore brightness values of the RGB three-color LED lamp beads are obtained; the specific calculation is as follows:
(x r -x c )×L r ÷y r +(x g -x c )×L g ÷y g +(x b -x c )×L b ÷y b ＝0；
(y r -y c )×L r ÷y r +(y g -y c )×L g ÷y g +(y b -y c )×L b ÷y b ＝0；
L r +L g L b ＝L c ；
the brightness values of the RGB three-color LED lamp beads can be calculated through simultaneous equations; the color coordinates of the RGB three-color LED lamp beads are known; after the target color temperature data is known, the color coordinates corresponding to the target color temperature data are also known; (x) in the above r ,y r ) Expressing color coordinate data of R color lamp beads in RGB three-color LED lamp beads; (x) g ,y g ) Expressing color coordinate data of G color lamp beads in RGB three-color LED lamp beads; (x) b ,y b ) Expressing color coordinate data of a B color lamp bead in RGB three-color LED lamp beads; (x) c ,y c ) Target color coordinate data corresponding to the target color temperature data; l is r The brightness value of an R color lamp bead in the RGB three-color LED lamp bead is represented; l is a radical of an alcohol g The brightness value of a G color lamp bead in RGB three-color LED lamp beads is represented; l is b The brightness value of a B color lamp bead in the RGB three-color LED lamp beads is represented; l is c Indicating that the LED is in compliance with the target brightness data for the light source.
After the brightness value of the RGB three-color LED lamp beads is obtained through calculation of the calculation formula, the preset working current corresponding to the RGB three-color LED lamp beads can be calculated through the brightness value of the RGB three-color LED lamp beads; and then driving the corresponding lamp beads in the LED composite light source to work according to the preset working current corresponding to the RGB three-color LED lamp beads, and irradiating the target position.
The brightness value of the RGB three-color LED lamp bead can be calculated to the preset working current corresponding to the RGB three-color LED lamp bead, and the working current and the brightness value are in a linear relation; obtaining typical working current and corresponding brightness value under the typical working current through working parameters of the LED lamp beads; the preset working current corresponding to the brightness value of the RGB three-color LED lamp bead can be calculated through the linear example relation between the working current and the brightness value.
The data acquisition module 23: the system comprises a plurality of light sensors arranged on the target position, a plurality of light sensors arranged on the target position and a plurality of light sensors arranged on the target position, wherein the light sensors are used for acquiring and processing current brightness data and current color temperature data to obtain a plurality of brightness data and a plurality of color temperature data;
in a specific implementation process of the present invention, the acquiring and processing current luminance data and current color temperature data based on a plurality of light sensors disposed at the target position to obtain a plurality of luminance data and a plurality of color temperature data includes: and arranging a plurality of light sensors at equal intervals on the target position, and acquiring and processing current brightness data and current color temperature data based on the plurality of light sensors when the target position is irradiated by the LED composite light source to obtain a plurality of brightness data and a plurality of color temperature data.
Specifically, through a plurality of light sensors that set up equidistance on the target location, the light sensor quantity that generally sets up is no less than 3, when the target location is shone by LED composite light source, can carry out current luminance data and current colour temperature data acquisition through a plurality of light sensor that sets up and handle, can obtain a plurality of luminance data and a plurality of colour temperature data.
The first judgment module 24: the system is used for judging whether the brightness of the LED composite light source is uniform or not based on the plurality of brightness data;
in the specific implementation process of the invention, each brightness data in a plurality of brightness data is compared with other brightness data pairwise, and when the difference value of any group of data in the comparison is greater than a given preset value, the brightness unevenness of the LED composite light source can be judged; otherwise, judging that the brightness of the LED composite light source is uniform;
when the brightness of the LED composite light source is judged to be uneven, the preset distance of the RGB three-color LED lamp beads in the LED composite light source can be adjusted in a mode of fine adjustment of the setting distance of the RGB three-color LED lamp beads in a given range, and after fine adjustment, the steps of collecting and processing current brightness data and current color temperature data based on a plurality of optical sensors arranged on the target position are returned to carry out failure following processing.
Second determination module 25: the color temperature data acquisition module is used for judging whether the LED composite light source meets target color temperature data or not based on the plurality of color temperature data when the brightness of the LED composite light source is uniform;
in the specific implementation process of the invention, when the brightness of the LED composite light source is uniform, whether the LED composite light source meets the target color temperature data or not can be judged through a plurality of color temperature data; and judging whether the difference value between the plurality of color temperature data is in a given range, judging whether the difference value between the plurality of color temperature data and the target color temperature data is in the given range when the difference value is in the given range, finishing when the difference value is in the given range and meets the target color temperature data, or entering a correction module 26 for correction.
The correction module 26: and the color temperature matching of the RGB three-color LED lamp beads in the LED composite light source is modified based on the deviation values of the plurality of color temperature data and the target color temperature data when the LED composite light source does not meet the target color temperature data, and the target color temperature data is met by the LED composite light source.
In a specific implementation process of the present invention, the modifying, based on the deviation value between the plurality of color temperature data and the target color temperature data, the brightness value ratio of the RGB three-color LED lamp bead in the LED composite light source until the LED composite light source meets the target color temperature data includes: performing fitting correction processing on the brightness ratio of the RGB three-color LED lamp beads in the LED composite light source according to the deviation values of the plurality of color temperature data and the target color temperature data to obtain a fitting correction brightness value ratio; calculating and obtaining a preset working current corresponding to the RGB three-color LED lamp beads based on the fitting correction brightness value ratio of the RGB three-color LED lamp beads; and returning to the step of driving the LED composite light source to work according to the preset working current and irradiating the LED composite light source on the target position for cyclic processing until the LED composite light source meets the target color temperature data.
Specifically, fitting correction processing can be carried out on the brightness ratio of an RGB three-color LED lamp bead in the LED composite light source according to a plurality of color temperature data and the target color temperature data deviation value; because the color temperature of the LED composite light source is determined by RGB three-color LED lamp beads, the fitting correction processing can be realized by changing the brightness of the lamp beads of R, G and B colors; subtracting the color coordinates of the plurality of color temperature data from the color coordinates of the target color temperature data, wherein the brightness of the red lamp bead can be reduced when the subtraction result in the X-axis direction is positive, and the brightness of the red lamp bead can be increased when the subtraction result in the X-axis direction is negative; when the subtraction result in the Y-axis direction is positive, the brightness of the green lamp beads can be reduced, and when the subtraction result in the Y-axis direction is negative, the brightness of the green lamp beads can be increased; if the subtraction result in the X-axis direction and the subtraction result in the Y-axis direction are positive at the same time, the brightness of the blue lamp beads can be increased, and if the subtraction result in the X-axis direction and the subtraction result in the Y-axis direction are negative, the brightness of the blue lamp beads can be decreased; namely, the successive fitting correction is carried out in the above mode; obtaining a fitting correction brightness value ratio, and finally calculating according to the fitting correction brightness value ratio of the RGB three-color LED lamp beads to obtain a preset working current corresponding to the RGB three-color LED lamp beads; the specific calculation process can utilize the above calculation formula; and then, the steps of driving the LED composite light source to work according to the preset working current and irradiating the LED composite light source on the target position are returned for cyclic processing until the LED composite light source meets the target color temperature data.
In the specific implementation process of the invention, the LED mixed light source consisting of the three-color LED lamp beads is arranged according to the preset distance, so that the uniform illumination brightness of the LED mixed light source can be realized; meanwhile, the target color temperature data and the target brightness data are used for obtaining preset working current, the LED mixed light source is driven to work through the preset working current, whether the working color temperature data meet the target color temperature data or not is judged, and when the working color temperature data do not meet the target color temperature data, the target color temperature data needed by a user can be realized by modifying the brightness value ratio of the three-color LED light source; the method can realize the configuration work of the composite light required by the user, and improve the configuration efficiency and the configuration accuracy.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: read Only Memory (ROM), random Access Memory (RAM), magnetic or optical disks, and the like.
In addition, the configuration control method and device based on the LED composite light source provided by the embodiment of the present invention are described in detail above, and a specific example should be adopted herein to explain the principle and the implementation manner of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A configuration control method based on an LED composite light source is characterized in that the LED composite light source is a light source formed by RGB three-color LED lamp beads arranged according to a set distance, and the method comprises the following steps:
obtaining target color temperature data and target brightness data of the LED composite light source irradiating on a target position based on user input;
driving the LED composite light source to work according to a preset working current and irradiating the LED composite light source on the target position;
acquiring and processing current brightness data and current color temperature data based on a plurality of light sensors arranged on the target position to obtain a plurality of brightness data and a plurality of color temperature data;
judging whether the brightness of the LED composite light source is uniform or not based on the plurality of brightness data;
when the brightness of the LED composite light source is uniform, judging whether the LED composite light source meets target color temperature data or not based on the plurality of color temperature data;
when the LED composite light source does not meet the target color temperature data, modifying the brightness value ratio of RGB three-color LED lamp beads in the LED composite light source based on the deviation values of the plurality of color temperature data and the target color temperature data until the LED composite light source meets the target color temperature data.
2. The configuration control method according to claim 1, wherein the LED composite light source is a light source formed by RGB three-color LED beads arranged at a set distance, and comprises:
obtaining an illumination distribution diagram irradiated by each LED lamp bead in the LED composite light source at a given distance;
obtaining an illumination radius of a center area of a circle meeting the target brightness data based on the illumination distribution map;
and arranging the RGB three-color LED lamp beads according to the illumination radius to form the LED composite light source.
3. The configuration control method according to claim 2, wherein the step of arranging the RGB three-color LED beads into the LED composite light source according to the illumination radius comprises:
the RGB three-color LED lamp beads are arranged into the LED composite light source in an isosceles triangle mode; the side length of the isosceles triangle is greater than or equal to the length of the illumination radius and less than the sum of the lengths of the two illumination radii.
4. The configuration control method according to claim 1, wherein the obtaining target color temperature data and target brightness data of the LED composite light source illuminated at the target position based on the user input comprises:
and the user performs data input processing on an operation interface of the control terminal according to requirements, and obtains target color temperature data and target brightness data of the LED composite light source irradiated on a target position based on the input data.
5. The configuration control method according to claim 1, wherein the driving the LED composite light source to operate and irradiate the target position according to the preset operating current comprises:
performing brightness calculation processing on RGB (red, green and blue) three-color LED lamp beads in the LED composite light source according to the target color temperature data and the target brightness data to obtain brightness values of the RGB three-color LED lamp beads;
calculating to obtain a preset working current corresponding to the RGB three-color LED lamp bead based on the brightness value of the RGB three-color LED lamp bead;
and driving the corresponding lamp beads in the LED composite light source to work based on the preset working current corresponding to the RGB three-color LED lamp beads, and irradiating the target position.
6. The configuration control method according to claim 5, wherein the calculating and obtaining the preset operating current corresponding to the RGB three-color LED lamp bead based on the brightness value of the RGB three-color LED lamp bead comprises:
and calculating the preset working current corresponding to the RGB three-color LED lamp bead based on the linear example relationship between the working current and the brightness value to obtain the preset working current corresponding to the RGB three-color LED lamp bead.
7. The configuration control method according to claim 1, wherein the acquiring and processing of the current luminance data and the current color temperature data based on a plurality of light sensors disposed at the target position to obtain a plurality of luminance data and a plurality of color temperature data comprises:
and arranging a plurality of light sensors at equal intervals on the target position, and acquiring and processing current brightness data and current color temperature data based on the plurality of light sensors when the target position is irradiated by the LED composite light source to obtain a plurality of brightness data and a plurality of color temperature data.
8. The configuration control method according to claim 1, characterized in that the method further comprises:
and when the brightness of the LED composite light source is judged to be non-uniform, fine adjustment is carried out on the setting distance of the RGB three-color LED lamp beads within a given range, and the steps of collecting and processing current brightness data and current color temperature data based on a plurality of optical sensors arranged on the target position are returned after the fine adjustment.
9. The configuration control method of claim 1, wherein the modifying the brightness ratio of the RGB three-color LED lamp beads in the LED composite light source based on the deviation values of the plurality of color temperature data and the target color temperature data until the LED composite light source satisfies the target color temperature data comprises:
fitting and correcting the brightness ratio of the RGB three-color LED lamp beads in the LED composite light source according to the deviation values of the plurality of color temperature data and the target color temperature data to obtain a fitting and corrected brightness value ratio;
calculating and obtaining a preset working current corresponding to the RGB three-color LED lamp beads based on the fitting correction brightness value ratio of the RGB three-color LED lamp beads;
and returning to the step of driving the LED composite light source to work according to the preset working current and irradiating the LED composite light source on the target position for cyclic processing until the LED composite light source meets the target color temperature data.
10. The utility model provides a configuration controlling means based on LED composite light source which characterized in that, LED composite light source is set up the light source of constituteing by RGB three-colour LED lamp pearl according to setting for the distance, the device includes:
an input acquisition module: the LED composite light source is used for obtaining target color temperature data and target brightness data of the LED composite light source irradiating on a target position based on user input;
a driving module: the LED composite light source is driven to work according to a preset working current and irradiates on the target position;
a data acquisition module: the system comprises a plurality of light sensors arranged on the target position, a plurality of light sensors arranged on the target position and a plurality of light sensors arranged on the target position, wherein the light sensors are used for acquiring and processing current brightness data and current color temperature data to obtain a plurality of brightness data and a plurality of color temperature data;
a first judgment module: the system is used for judging whether the brightness of the LED composite light source is uniform or not based on the plurality of brightness data;
a second judging module: the LED composite light source is used for judging whether the LED composite light source meets target color temperature data or not based on the plurality of color temperature data when the brightness of the LED composite light source is uniform;
a correction module: and the color temperature matching of the RGB three-color LED lamp beads in the LED composite light source is modified based on the deviation values of the plurality of color temperature data and the target color temperature data when the LED composite light source does not meet the target color temperature data, and the target color temperature data is met by the LED composite light source.
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