CN115633425A - Mixed light source control method, device, lighting equipment and storage medium - Google Patents

Abstract

The application provides a method and a device for regulating and controlling a mixed light source, lighting equipment and a storage medium. The regulation and control method of the mixed light source is used for regulating a main controller of the mixed light source, and the mixed light source comprises the following steps: a cold light source, a warm light source, a red light source, a green light source and a blue light source; the regulation and control method of the mixed light source comprises the following steps: acquiring target color temperature gear information; screening target luminous flux data from preset luminous flux data according to the target color temperature file information and a preset color temperature mapping relation; duty ratio calculation is carried out on the target luminous flux data through a preset duty ratio model to obtain duty ratio regulation data; and outputting the duty ratio adjusting data to the mixed light source to adjust the light emitting states of the cold light source, the warm light source, the red light source, the green light source and the blue light source to obtain target mixed light. The mixed light is carried out by cold light, warm light, red light, green light and blue light, the color temperature range of the mixed light is widened, the color rendering index of the mixed light is improved, and the mixed light has higher color rendering property.

Description

Mixed light source control method, device, lighting equipment and storage medium

technical field

The present application relates to the technical field of lighting, and in particular to a control method, device, lighting equipment and storage medium of a mixed light source.

Background technique

In related technologies, lighting equipment adopts warm light and cold light to mix light to obtain mixed white light, but the mixed white light obtained in this way has a narrow color temperature range and poor color rendering.

Contents of the invention

The main purpose of the embodiment of the present application is to propose a method, device, lighting equipment and storage medium for adjusting and controlling a mixed light source, which can mix light through cold light, warm light, red light, green light and blue light, broaden the color temperature range of the mixed light, and Improve the color rendering index of the mixed light, so that the mixed light has a higher color rendering.

In order to achieve the above purpose, the first aspect of the embodiment of the present application proposes a control method for a mixed light source, the control method for a mixed light source is used to adjust the main controller of a mixed light source, and the mixed light source includes: a cold light source, a warm light source , red light source, green light source and blue light source; the control method of the mixed light source includes:

Obtain target color temperature file information;

Screen out target luminous flux data from preset luminous flux data according to the target color temperature file information and the preset color temperature mapping relationship;

performing duty cycle calculation on the target luminous flux data through a preset duty cycle model to obtain duty cycle adjustment data;

Outputting the duty cycle adjustment data to the mixed light source to adjust the light emitting states of the cold light source, warm light source, red light source, green light source and blue light source to obtain the target mixed light.

In some embodiments, before the step of acquiring target color temperature file information, it also includes:

Constructing the color temperature mapping relationship specifically includes:

Acquiring light source parameters of each light source in the mixed light source; wherein, the light source parameters include: absolute spectral information, luminous flux value and maximum luminous flux value;

performing mixed spectrum construction according to the absolute spectral information, luminous flux value and maximum luminous flux value, to obtain a mixed spectral model;

Constructing a color temperature model according to the mixed spectral model to obtain a mixed color temperature model;

Perform luminous flux calculation according to preset color temperature gear information and the mixed color temperature model to obtain a plurality of candidate luminous flux data;

Acquiring a mixed color rendering index corresponding to each of the candidate luminous flux data, and selecting selected luminous flux data from the candidate luminous flux data according to the mixed color rendering index;

Mapping the selected luminous flux data and the preset color temperature level information to obtain the color temperature mapping relationship.

In some embodiments, the step of constructing a mixed spectrum according to the absolute spectral information, luminous flux value and maximum luminous flux value to obtain a mixed spectral model includes:

Perform ratio calculation according to the luminous flux value and the maximum luminous flux value to obtain the spectral model parameters of each light source;

performing model construction according to the spectral model parameters and the absolute spectral information to obtain a light source spectral model for each light source;

Model integration is performed according to each light source spectral model to obtain the mixed spectral model.

In some embodiments, the step of constructing a color temperature model according to the mixed spectral model to obtain a mixed color temperature model includes:

calculating the tristimulus value of the mixed light source according to the mixed spectral model and the preset standard chromaticity tristimulus value to obtain the mixed tristimulus value;

calculating the chromaticity coordinates of the mixed light source according to the mixed tristimulus value and a preset standard chromaticity model, to obtain mixed chromaticity coordinate information;

A color temperature model is constructed according to the mixed chromaticity coordinate information and a preset standard color temperature model to obtain the mixed color temperature model.

In some embodiments, the step of obtaining the mixed color rendering index corresponding to each of the candidate luminous flux data, and screening the selected luminous flux data from the candidate luminous flux data according to the mixed color rendering index includes:

calculating the chromatic aberration of the mixed light sources respectively corresponding to each of the candidate luminous flux data by colorimetry to obtain a plurality of mixed chromatic aberration data;

Calculating the color rendering index of the mixed light source according to each of the mixed color difference data to obtain a plurality of mixed color rendering data;

performing screening processing on the mixed explicit finger data to obtain the maximum mixed explicit finger data;

The candidate luminous flux data is screened according to the maximum mixed display data to obtain the selected luminous flux data.

In some embodiments, before the step of acquiring target color temperature file information, it also includes:

Construct the duty cycle model, specifically including:

calculating light source duty ratio data of each light source according to the luminous flux value of each light source in the mixed light source;

performing normalization processing on the luminous flux value to obtain normalized luminous flux data;

The duty cycle model is constructed by using the normalized luminous flux data as a model variable and the light source duty cycle data as a model parameter.

In some embodiments, the step of calculating the duty ratio of the target luminous flux data through a preset duty ratio model to obtain duty ratio adjustment data includes:

inputting the target luminous flux data into the duty ratio model to perform luminous flux matching processing, so as to filter selected luminous flux data from the normalized luminous flux data;

Perform duty ratio calculation on the selected luminous flux data according to the duty ratio model to obtain the duty ratio adjustment data.

In order to achieve the above purpose, the second aspect of the present application proposes a control device for a mixed light source, the control device for a mixed light source is used to adjust the main controller of a mixed light source, and the mixed light source includes: a cold light source, a warm light source, a red light source Light source, green light source and blue light source; the regulating device of described mixed light source comprises:

An information acquisition module, configured to acquire target color temperature file information;

A data screening module, configured to filter target luminous flux data from preset luminous flux data according to the target color temperature file information and the preset color temperature mapping relationship;

The data calculation module is used to calculate the duty ratio of the target luminous flux data through a preset duty ratio model to obtain duty ratio adjustment data;

A data output module, configured to output the duty cycle adjustment data to the mixed light source to adjust the light emitting states of the cold light source, warm light source, red light source, green light source and blue light source to obtain the target mixed light .

In order to achieve the above purpose, the third aspect of the present application proposes a lighting device, including:

at least one mixed light source;

at least one master controller;

at least one memory;

at least one processor;

at least one program;

The programs are stored in the memory, the processor executes the at least one program to:

The method as described in the first aspect above.

To achieve the above object, the fourth aspect of the present application proposes a storage medium, which is a computer-readable storage medium, and the computer-readable storage medium stores computer-executable instructions for Make the computer execute:

The method as described in the first aspect above.

The control method, device, lighting equipment and storage medium of the mixed light source proposed in the embodiment of the present application can mix light through cold light, warm light, red light, green light and blue light, broaden the color temperature range of the mixed light, and improve the display of the mixed light. The color index makes the mixed light have higher color rendering. .

Description of drawings

Fig. 1 is a flowchart of a control method for a mixed light source provided by an embodiment of the present application;

Fig. 2 is a flowchart of a control method for a mixed light source provided by another embodiment of the present application;

Fig. 3 is a flowchart of an embodiment of step S202 shown in Fig. 2;

Fig. 4 is a flowchart of an embodiment of step S203 shown in Fig. 2;

Fig. 5 is a flowchart of an embodiment of step S205 shown in Fig. 2;

Fig. 6 is a flowchart of a control method for a mixed light source provided by another embodiment of the present application;

FIG. 7 is a flowchart of an embodiment of step S103 shown in FIG. 1;

Fig. 8 is an emission spectrum diagram of each light source in a mixed light source according to an embodiment of the present application;

Fig. 9 is a schematic diagram of a luminescent trend line of an embodiment of the present application;

Fig. 10 is a schematic diagram of a warm light trend line of an embodiment of the present application;

Fig. 11 is a schematic diagram of a red light trend line of an embodiment of the present application;

Fig. 12 is a schematic diagram of a green light trend line of an embodiment of the present application;

Fig. 13 is a schematic diagram of a blue light trend line according to an embodiment of the present application;

Fig. 14 is a block diagram of a control device for a mixed light source provided by an embodiment of the present application.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

It should be noted that although the functional modules are divided in the schematic diagram of the device, and the logical sequence is shown in the flowchart, in some cases, it can be executed in a different order than the module division in the device or the flowchart in the flowchart. steps shown or described. The terms "first", "second" and the like in the specification and claims and the above drawings are used to distinguish similar objects, and not necessarily used to describe a specific sequence or sequence.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein are only for the purpose of describing the embodiments of the present application, and are not intended to limit the present application.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of the specific details, or other methods, components, means, steps, etc. may be employed. In other instances, well-known methods, apparatus, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the present disclosure.

The block diagrams shown in the drawings are merely functional entities and do not necessarily correspond to physically separate entities. That is, these functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices entity.

The flow charts shown in the drawings are only exemplary illustrations, and do not necessarily include all contents and operations/steps, nor must they be performed in the order described. For example, some operations/steps can be decomposed, and some operations/steps can be combined or partly combined, so the actual order of execution may be changed according to the actual situation.

The method for controlling a mixed light source according to the embodiments of the present application can be applied to lighting equipment. In related technologies, lighting equipment adopts warm light and cold light to mix light to obtain mixed white light, but the mixed white light obtained in this way has a narrow color temperature range and poor color rendering.

Based on this, this application proposes a control method, device, lighting equipment and storage medium for a mixed light source, which mixes light through cold light, warm light, red light, green light and blue light, broadens the color temperature range of the mixed light, and improves the mixed light. The color rendering index makes the mixed light have higher color rendering.

Please refer to Fig. 1, the control method of the mixed light source in the embodiment of the present application is used to adjust the main controller of the mixed light source, the mixed light source includes: cold light source, warm light source, red light source, green light source and blue light source; the mixed light source The control method includes but is not limited to steps S101 to S104:

Step S101, acquiring target color temperature file information;

Step S102, selecting the target luminous flux data from the preset luminous flux data according to the target color temperature file information and the preset color temperature mapping relationship;

Step S103, performing duty ratio calculation on the target luminous flux data through a preset duty ratio model to obtain duty ratio adjustment data;

Step S104 , output duty ratio adjustment data to the mixed light source to adjust the light emitting states of the cold light source, warm light source, red light source, green light source and blue light source to obtain the target mixed light.

From step S101 to step S104 shown in the embodiment of the present application, the target luminous flux is selected according to the target color temperature file and the preset mapping relationship, and the duty cycle adjustment data of the mixed light source is calculated according to the target luminous flux data, so as to adjust the data according to the duty cycle. The light emitting state of each light source in the mixed light sources is such that each light source emits a light wave corresponding to a duty cycle, and the light wave of each light source is mixed to obtain a target mixed light that meets requirements. By mixing cold light, warm light, red light, green light and blue light, the color temperature range of the mixed light can be broadened, and it can be applied to a wider range of scenes. In addition, mixing light through the method of the embodiment of the present application can improve the color rendering index of the mixed light, so that the mixed light has higher color rendering.

In step S101 of some embodiments, the target color temperature file is the color temperature information determined according to the actual demand of the target mixed light, which characterizes the light color components in the target mixed light.

In step S102 of some embodiments, the preset color temperature mapping relationship is the corresponding relationship between the luminous flux of each light source in the mixed light source and the color temperature of the mixed light.

In step S103 of some embodiments, the preset duty cycle model is used to process the target luminous flux data to obtain duty cycle adjustment data. The duty ratio adjustment data includes monochromatic duty ratio data corresponding to each light source in the mixed light source, and is used to control each light source to emit light waves with corresponding duty ratios.

In step S104 of some embodiments, the mixed light source includes a main controller that controls the light emitting state of each monochromatic light source. The main controller receives the duty ratio adjustment data and processes it, and adjusts the corresponding mixed light source contained in the duty ratio adjustment data. The monochrome duty cycle data of each light source in the light sources sends control instructions to each light source, so that each light source emits light waves corresponding to the duty cycle, and the light waves of each light source are mixed to obtain the target mixed light that meets the requirements.

In some embodiments, please refer to FIG. 2, before step S101, the control method of the mixed light source also includes but not limited to the steps of:

Constructing the color temperature mapping relationship specifically includes but is not limited to steps S201 to S206:

Step S201, obtaining light source parameters of each light source in the mixed light source; wherein, the light source parameters include: absolute spectral information, luminous flux value and maximum luminous flux value;

Step S202, constructing a mixed spectrum according to the absolute spectral information, the luminous flux value and the maximum luminous flux value, to obtain a mixed spectral model;

Step S203, constructing a color temperature model according to the mixed spectral model to obtain a mixed color temperature model;

Step S204, calculate the luminous flux according to the preset color temperature gear information and the mixed color temperature model, and obtain a plurality of candidate luminous flux data;

Step S205, obtaining the mixed color rendering index corresponding to each candidate luminous flux data, and selecting selected luminous flux data from the candidate luminous flux data according to the mixed color rendering index;

Step S206, performing mapping processing on the selected luminous flux data and preset color temperature gear information to obtain a color temperature mapping relationship.

From steps S201 to S206 shown in the embodiment of the present application, the color temperature mapping relationship is constructed according to the absolute spectral information, luminous flux value and maximum luminous flux value of each light source, so that the luminous flux information of each monochromatic light corresponds to the color temperature information of the mixed light, and The optical information is converted into digital information for easy storage and easy calling to control the working state of the hybrid light source.

In step S201 of some embodiments, the spectrum of each light source is tested by an integrating sphere to obtain the absolute spectral information of each light source, and the luminous flux corresponding to the change of the duty cycle of each light source from 0 to 1 is tested by an integrating sphere to obtain The luminous flux value and maximum luminous flux value corresponding to each light source. In some other embodiments, a photometer or a spectrometer is used to test the light source parameters of each light source.

In step S202 of some embodiments, a mixed spectrum model is constructed based on the absolute spectral information, luminous flux value and maximum luminous flux value of each light source, so as to ensure the color temperature of the mixed light.

In step S203 of some embodiments, the mixed color temperature model is used to characterize the color temperature of the mixed light.

In step S204 of some embodiments, the preset color temperature file is obtained by dividing the color temperature range of the mixed light according to a certain color temperature interval. For example, divide the color temperature range of mixed light from 2200K to 15000K with a color temperature interval of 100K to obtain corresponding color temperature files. It should be noted that the preset color temperature file can be customized according to needs, which is not specifically limited in this embodiment of the present application.

In step S205 of some embodiments, the color rendering index represents the color rendering ability (ie, color rendering) of the light source to the object, and the higher the color rendering index, the better the color rendering of the light source. The mixed light of the same color temperature can be obtained by mixing the monochromatic light of each light source with different luminous flux combinations, but the color rendering index of the mixed light obtained by mixing the monochromatic light of each light source with different luminous flux combinations is usually different. The candidate luminous flux data is screened by calculating the mixed color rendering index of the mixed light to obtain the selected luminous flux data.

In step S206 of some embodiments, a mapping is established according to the corresponding relationship between the selected luminous flux data and the preset color temperature file to obtain a color temperature mapping relationship.

In some embodiments, referring to FIG. 3, step S202 includes but is not limited to steps S301 to S303:

Step S301, performing ratio calculation according to the luminous flux value and the maximum luminous flux value, to obtain the spectral model parameters of each light source;

Step S302, constructing a model according to spectral model parameters and absolute spectral information to obtain a light source spectral model for each light source;

Step S303, performing model integration according to each light source spectral model to obtain a mixed spectral model.

From step S301 to step S303 shown in the embodiment of the present application, the spectral model of a single light source is first constructed through the absolute spectral information, luminous flux value and maximum luminous flux value of each light source, and then the model is integrated to obtain a mixed spectral model to more accurately characterize The color temperature of the mixed light.

In step S301 of some embodiments, the spectral model parameters characterize the spectral characteristics of each light source at different luminous fluxes.

In steps S302 and S303 of some embodiments, a spectral model of a single light source is constructed according to spectral model parameters, and then the model is integrated to obtain a mixed spectral model.

Exemplary embodiment, the expression of the mixed spectral model of construction is:

In formula (1), S(λ) represents the mixed spectral model, Φ _r represents the luminous flux value of the red light source, Φ _rmax represents the maximum luminous flux value of the red light source, S _r (λ) represents the absolute spectral information of the red light source, Φ _g represents the luminous flux value of the green light source, Φ _gmax represents the maximum luminous flux value of the green light source, S _g (λ) represents the absolute spectral information of the green light source, Φ _b represents the luminous flux value of the blue light source, and Φ _bmax represents the value of the blue light source The maximum luminous flux value, S _b (λ) represents the absolute spectral information of the blue light source, Φ _c represents the luminous flux value of the cold light source, Φ _cmax represents the maximum luminous flux value of the cold light source, S _c (λ) represents the absolute spectral information of the cold light source, Φ _w represents the luminous flux value of the warm light source, Φ _wmax represents the maximum luminous flux value of the warm light source, and S _w (λ) represents the absolute spectral information of the warm light source.

In some embodiments, referring to FIG. 4, step S203 includes but is not limited to steps S401 to S403:

Step S401, calculating the tristimulus value of the mixed light source according to the mixed spectral model and the preset standard chromaticity tristimulus value to obtain the mixed tristimulus value;

Step S402, calculate the chromaticity coordinates of the mixed light source according to the mixed tristimulus value and the preset standard chromaticity model, and obtain mixed chromaticity coordinate information;

Step S403, constructing a color temperature model according to the mixed chromaticity coordinate information and a preset standard color temperature model, to obtain a mixed color temperature model.

From step S401 to step S403 shown in the embodiment of the present application, a mixed color temperature model is constructed according to the mixed spectral model, so that the color temperature information of the mixed light can be obtained.

In step S401 of some embodiments, the expression for obtaining the mixed tristimulus value is:

为CIE1931标准色度系统下的标准色度三刺激值。In formula (2), X, Y, Z are the mixed tri-stimulus values, S(λ) means the mixed spectral model,

It is the standard chromatic tristimulus value under the CIE1931 standard chromaticity system.

In step S402 of some embodiments, the expression for obtaining the mixed chromaticity coordinates is:

In formula (3), X, Y, and Z are the mixed tristimulus values, and x, y are the mixed chromaticity coordinates of the mixed light under the CIE1931 standard chromaticity system.

In step S403 of some embodiments, the expression of the mixed color temperature model is:

In formula (4), x and y are the mixed chromaticity coordinates of the mixed light under the CIE1931 standard chromaticity system, and T _c represents the mixed color temperature model.

In some embodiments, please refer to FIG. 5, step S205 includes but is not limited to including steps S501 to step 504:

Step S501, measuring and calculating the color difference of the mixed light sources corresponding to each candidate luminous flux data by colorimetry, and obtaining a plurality of mixed color difference data;

Step S502, calculate the color rendering index of the mixed light source according to each mixed color difference data, and obtain multiple mixed color rendering index data;

Step S503, screening the mixed explicit finger data to obtain the maximum mixed explicit finger data;

In step S504, the candidate luminous flux data is screened according to the maximum mixed display data to obtain the selected luminous flux data.

From step S501 to step S504 shown in the embodiment of the present application, the candidate luminous flux data corresponding to the maximum color rendering index of the mixed light in each color temperature range is screened out by calculating the mixed color rendering index of the mixed light to obtain the selected luminous flux data, so that each The mixed light corresponding to the color temperature file has better color rendering.

In step S501 of some embodiments, according to the colorimetric method formulated by CIE (French: Commission Internationale de l'Eclairage, International Commission on Illumination), the mixed light source is used as the light source to be measured, and eight kinds of test colors are measured and irradiated under the comparison of the reference light source. The color difference of the sample is obtained to obtain the mixed color difference data.

In step S502 of some embodiments, the calculation expression of mixed explicit finger data is:

In formula (5), R _a represents the mixed display data, and ΔE _i represents the mixed color difference data.

In step S503 of some embodiments, the maximum value of mixed display finger data corresponding to each color temperature range is screened out to obtain the maximum mixed display finger data.

In step S504 of some embodiments, the candidate luminous flux data corresponding to the maximum color rendering index of the mixed light in each color temperature range are screened out to obtain the selected luminous flux data.

In some embodiments, please refer to FIG. 6, before step S101, the control method of the mixed light source further includes:

Constructing a duty cycle model specifically includes but is not limited to steps S601 to S603:

Step S601, calculating the light source duty ratio data of each light source according to the luminous flux value of each light source in the mixed light source;

Step S602, performing normalization processing on the luminous flux value to obtain normalized luminous flux data;

Step S603, constructing a duty cycle model with normalized luminous flux data as model variables and light source duty cycle data as model parameters.

In step S601 to step S603 shown in the embodiment of the present application, a duty cycle model is constructed according to the light source duty cycle data and luminous flux value of each light source, so as to facilitate subsequent fast and efficient processing of target luminous flux data.

In step S601 of some embodiments, the light wave frequency of each light source in the mixed light source depends on the pulse waveform driving the light emitting device, and the duty ratio data of the pulse waveform is calculated according to the light wave frequency to obtain the light source duty cycle data.

In step S602 and step S603 of some embodiments, after normalizing the luminous flux value to obtain the normalized luminous flux data, a mapping relationship model is constructed according to the normalized luminous flux data and the duty ratio data of the light source to obtain the duty ratio model. In other embodiments, a chart is constructed with the normalized luminous flux data as the abscissa and the light source duty cycle data as the ordinate to represent the correspondence between the normalized luminous flux data and the light source duty cycle data.

In some embodiments, referring to FIG. 7, step S103 includes but is not limited to steps S701 and S702:

Step S701, inputting the target luminous flux data into the duty ratio model to perform luminous flux matching processing, so as to filter selected luminous flux data from the normalized luminous flux data;

Step S702, performing duty cycle calculation on the selected luminous flux data according to the duty cycle model to obtain duty cycle adjustment data.

From step S701 to step S702 shown in the embodiment of the present application, the target luminous flux data is processed through the duty cycle model, so that the duty cycle adjustment data can be obtained quickly and efficiently.

In step S701 of some embodiments, the target luminous flux data is matched according to the corresponding relationship between the normalized luminous flux data and the luminous flux value before normalization, and the selected luminous flux data is filtered out.

In step S702 of some embodiments, the duty cycle calculation process is performed on the selected luminous flux data in combination with the duty cycle data of the light source to obtain accurate duty cycle adjustment data.

In an exemplary embodiment, the emission color temperature range of the cold light source is 9000K to 10000K, the emission color temperature range of the warm light source is 2350K to 2450K, the emission wavelength range of the red light source is 620nm to 630nm, and the emission wavelength range of the green light source is 525nm to 535nm, the emission wavelength range of the blue light source is 455nm to 465nm. As shown in Figure 8, Figure 8 is a luminous spectrum diagram of each light source in the mixed light source. In the figure, C represents a cold light source, W represents a warm light source, R represents a red light source, G represents a green light source, and B represents a blue light source. The warm light spectrum lacks the bands with a large proportion of the cold light spectrum, and the cold light spectrum lacks the bands with a large proportion of the warm light spectrum. The mixed light corresponding to each color temperature range of the embodiment of the present application is mainly composed of cold light and warm light. By increasing the constituent components of red light, green light and blue light, the color temperature range of the mixed light is broadened, and the mixed light has higher color rendering , The color rendering index is above 95. The normalized luminous flux data is used as the abscissa, and the light source duty cycle data is used as the ordinate to construct a chart respectively, and each coordinate point in the figure is fitted to obtain: the luminescence trend line shown in Figure 9, and the luminescence trend line shown in Figure 10 The warm light trend line shown in Figure 11, the red light trend line shown in Figure 11, the green light trend line shown in Figure 12, and the blue light trend line shown in Figure 13, the fitting degree of the luminous trend line of each light source are greater than 0.9996, the reliability of the trend line is very high. In this embodiment, the expression of the luminescent trend line is:

In formula (6), D _c represents the trend line of cold light, Φ _c represents the luminous flux value of the luminous light source, and Φ _cmax represents the maximum luminous flux value of the luminous light source, and Φ _cmax is 2274lm in this embodiment.

The expression of the warm light trend line is:

In formula (7), D _w represents the trend line of warm light, Φ _w represents the luminous flux value of the cold light source, and Φ _wmax represents the maximum luminous flux value of the cold light source, and Φ _wmax is 1929lm in this embodiment.

The expression of the red light trend line is:

In formula (8), D _r represents the red light trend line, Φ _r represents the luminous flux value of the red light source, and Φ _rmax represents the maximum luminous flux value of the red light source, and Φ rmax in this embodiment is _628.9lm .

The expression of the green trend line is:

In formula (9), D _g represents the trend line of green light, Φ _g represents the luminous flux value of the green light source, and Φ _gmax represents the maximum luminous flux value of the green light source, and Φ _gmax is 1705lm in this embodiment.

The expression of the blue light trend line is:

In formula (10), D _b represents the blue light trend line, Φ _b represents the luminous flux value of the blue light source, and Φ _bmax represents the maximum luminous flux value of the blue light source, and Φ _bmax is 300.6lm in this embodiment.

Similarly, a graph can also be constructed with the luminous flux value as the abscissa and the power of the light source as the ordinate to characterize the relationship between the luminous flux value emitted by the light source and the power of the light source. The mixed light obtained according to the control method of the mixed light source in the embodiment of the present application has a small color deviation, and the average color deviation of the mixed light corresponding to all the color temperature levels is about 0.0004.

In order to achieve the above purpose, please refer to Figure 14. This application also proposes a control device for the mixed light source, which can realize the control method for the above mixed light source. The control device for the mixed light source is used to adjust the main controller of the mixed light source. The mixed light source includes: cold light Light source, warm light source, red light source, green light source and blue light source; the control device of mixed light source includes:

An information acquisition module, configured to acquire target color temperature file information;

A data screening module, configured to filter target luminous flux data from preset luminous flux data according to the target color temperature file information and the preset color temperature mapping relationship;

The data calculation module is used to calculate the duty cycle of the target luminous flux data through a preset duty cycle model to obtain duty cycle adjustment data;

The data output module is used to output duty ratio adjustment data to the mixed light source to adjust the light emitting states of the cold light source, warm light source, red light source, green light source and blue light source to obtain the target mixed light.

The specific implementation of the control device for the mixed light source is basically the same as the specific embodiment of the control method for the mixed light source described above, and will not be repeated here.

In order to achieve the above purpose, the third aspect of the present application proposes a lighting device, including:

at least one mixed light source;

at least one master controller;

at least one memory;

at least one processor;

at least one program;

Programs are stored in memory, and the processor executes at least one program to:

The control method of the mixed light source as in the above-mentioned embodiment.

In order to achieve the above object, the fourth aspect of the present application proposes a storage medium, the storage medium is a computer-readable storage medium, the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to make the computer perform:

The control method of the mixed light source as in the above-mentioned embodiment.

As a non-transitory computer-readable storage medium, memory can be used to store non-transitory software programs and non-transitory computer-executable programs. In addition, the memory may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid-state storage devices. In some embodiments, the memory optionally includes memory located remotely from the processor, and these remote memories may be connected to the processor via a network. Examples of the aforementioned networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

The embodiments described in the embodiments of the present application are to illustrate the technical solutions of the embodiments of the present application more clearly, and do not constitute a limitation to the technical solutions provided by the embodiments of the present application. Those skilled in the art know that with the evolution of technology and new For the emergence of application scenarios, the technical solutions provided by the embodiments of the present application are also applicable to similar technical problems.

Those skilled in the art can understand that the technical solution shown in the figure does not constitute a limitation to the embodiment of the present application, and may include more or less steps than those shown in the figure, or combine some steps, or different steps.

The device embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

Those of ordinary skill in the art can understand that all or some of the steps in the methods disclosed above, the functional modules/units in the system, and the device can be implemented as software, firmware, hardware, and an appropriate combination thereof.

It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

It should be understood that in this application, "at least one (item)" means one or more, and "multiple" means two or more. "And/or" is used to describe the association relationship of associated objects, indicating that there can be three types of relationships, for example, "A and/or B" can mean: only A exists, only B exists, and A and B exist at the same time , where A and B can be singular or plural. The character "/" generally indicates that the contextual objects are an "or" relationship. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one item (piece) of a, b or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c ", where a, b, c can be single or multiple.

In the several embodiments provided in this application, it should be understood that the disclosed devices and methods may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

The embodiments of the present application have been described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned embodiments. Within the scope of knowledge of those of ordinary skill in the art, various modifications can be made without departing from the purpose of the present application. kind of change. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other under the condition of no conflict.

Claims (10)

1. A method for regulating a hybrid light source is used for regulating a main controller of the hybrid light source, and the hybrid light source comprises the following steps: a cold light source, a warm light source, a red light source, a green light source and a blue light source; the regulation and control method of the mixed light source comprises the following steps:

acquiring target color temperature gear information;

screening target luminous flux data from preset luminous flux data according to the target color temperature file information and a preset color temperature mapping relation;

duty ratio calculation is carried out on the target luminous flux data through a preset duty ratio model to obtain duty ratio regulation data;

and outputting the duty ratio adjusting data to the mixed light source so as to adjust the light emitting states of the cold light source, the warm light source, the red light source, the green light source and the blue light source to obtain target mixed light.

2. The method for controlling a hybrid light source according to claim 1, wherein the step of obtaining the target color temperature profile information is preceded by the steps of:

constructing the color temperature mapping relation specifically comprises the following steps:

acquiring light source parameters of each light source in the mixed light source; wherein the light source parameters include: absolute spectral information, luminous flux values and maximum luminous flux values;

performing mixed spectrum construction according to the absolute spectrum information, the luminous flux value and the maximum luminous flux value to obtain a mixed spectrum model;

constructing a color temperature model according to the mixed spectrum model to obtain a mixed color temperature model;

calculating luminous flux according to preset color temperature gear information and the mixed color temperature model to obtain a plurality of candidate luminous flux data;

acquiring a mixed color rendering index corresponding to each candidate luminous flux data, and screening selected luminous flux data from the candidate luminous flux data according to the mixed color rendering index;

and mapping the selected luminous flux data and the preset color temperature gear information to obtain the color temperature mapping relation.

3. The method for regulating and controlling the mixed light source according to claim 2, wherein the step of constructing the mixed spectrum according to the absolute spectrum information, the luminous flux value and the maximum luminous flux value to obtain a mixed spectrum model comprises:

calculating a ratio according to the luminous flux value and the maximum luminous flux value to obtain a spectral model parameter of each light source;

carrying out model construction according to the spectrum model parameters and the absolute spectrum information to obtain a light source spectrum model of each light source;

and performing model integration according to each light source spectrum model to obtain the mixed spectrum model.

4. The method for regulating and controlling the mixed light source according to claim 2, wherein the step of constructing the color temperature model according to the mixed spectrum model to obtain the mixed color temperature model comprises:

calculating a tristimulus value of the mixed light source according to the mixed spectrum model and a preset standard chromaticity tristimulus value to obtain a mixed tristimulus value;

calculating the chromaticity coordinate of the mixed light source according to the mixed tristimulus value and a preset standard chromaticity model to obtain mixed chromaticity coordinate information;

and constructing a color temperature model according to the mixed chromaticity coordinate information and a preset standard color temperature model to obtain the mixed color temperature model.

5. The method for controlling the hybrid light source according to claim 2, wherein the step of obtaining the mixed color rendering index corresponding to each candidate light flux data and screening the selected light flux data from the candidate light flux data according to the mixed color rendering index comprises:

measuring and calculating the color difference of the mixed light source respectively corresponding to each candidate luminous flux data by a color measurement method to obtain a plurality of mixed color difference data;

calculating the color rendering index of the mixed light source according to each mixed color difference data to obtain a plurality of mixed color rendering index data;

screening the mixed color rendering index data to obtain maximum mixed color rendering index data;

and screening the candidate luminous flux data according to the maximum mixed display data to obtain the selected luminous flux data.

6. The method for controlling a hybrid light source according to any one of claims 2 to 5, wherein the step of obtaining the target color temperature range information is preceded by the steps of:

constructing the duty ratio model specifically comprises the following steps:

calculating light source duty ratio data of each light source according to the luminous flux value of each light source in the mixed light source;

normalizing the luminous flux value to obtain normalized luminous flux data;

and constructing the duty ratio model by taking the normalized luminous flux data as a model variable and the light source duty ratio data as a model parameter.

7. The method for regulating and controlling the hybrid light source according to claim 6, wherein the step of calculating the duty ratio of the target luminous flux data through a preset duty ratio model to obtain duty ratio regulation data comprises:

inputting the target luminous flux data into the duty ratio model to perform luminous flux matching processing so as to screen selected luminous flux data from the normalized luminous flux data;

and carrying out duty ratio calculation on the selected luminous flux data according to the duty ratio model to obtain duty ratio regulation data.

8. A control device for a hybrid light source, the control device for the hybrid light source is used for adjusting a main controller of the hybrid light source, and the hybrid light source comprises: a cold light source, a warm light source, a red light source, a green light source and a blue light source; the regulation and control device of the mixed light source comprises:

the information acquisition module is used for acquiring target color temperature gear information;

the data screening module is used for screening target luminous flux data from preset luminous flux data according to the target color temperature file information and a preset color temperature mapping relation;

the data calculation module is used for carrying out duty ratio calculation on the target luminous flux data through a preset duty ratio model to obtain duty ratio regulation data;

and the data output module is used for outputting the duty ratio adjusting data to the mixed light source so as to adjust the light emitting states of the cold light source, the warm light source, the red light source, the green light source and the blue light source to obtain target mixed light.

9. An illumination device, comprising:

at least one hybrid light source;

at least one master controller;

at least one memory;

at least one processor;

at least one program;

the programs are stored in the memory, and the processor executes the at least one program to implement:

the method of any one of claims 1 to 7.

10. A storage medium that is a computer-readable storage medium having stored thereon computer-executable instructions for causing a computer to perform:

the method of any one of claims 1 to 7.

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