LED module control system based on environmental change perception

Abstract

The present invention discloses an LED module control system based on environmental change perception, which relates to the field of LED control technology. By acquiring scene perception data in an application scene environment, it is judged whether the external environment will have an impact on the lighting of the LED module through the acquired scene perception data. If it will have an impact, the control instructions issued by the control center are adaptively corrected according to the acquired scene perception data, so that the actual lighting effect of the LED module can be closer to the required lighting effect, avoiding the problem that the lighting effect of the LED module cannot achieve the expected effect due to the difference in environmental data in the application scene environment.

Description

Technical Field

[0001] The present invention relates to the technical field of LED control, and in particular to an LED module control system based on environmental change perception. Background Art

[0002] The existing LED lighting control system connects the lighting equipment to the controller, which requires multiple controllers to be cascaded, which is costly and unstable. When performing lighting control, a fixed program is set for the lighting equipment to perform lighting control according to the preset lighting start time and lighting end time. At the same time, an online monitoring module is set to monitor whether the lighting equipment has any abnormalities. When an abnormality occurs, an early warning is sent to the control management center, and the management center will arrange maintenance personnel to maintain the lighting equipment, which is conducive to improving the quality of lighting control;

[0003] In the prior art, when the corresponding LED module is used in different environments, its lighting effect may be affected by the lighting environment. How to adaptively adjust the lighting process of the LED module according to environmental changes so that the lighting effect is more in line with expectations is a problem we need to solve. To this end, an LED module control system based on environmental change perception is now provided. Summary of the invention

[0004] The purpose of the present invention is to provide an LED module control system based on environmental change perception.

[0005] The object of the present invention can be achieved by the following technical solutions: an LED module control system based on environmental change perception includes a control center, which issues control instructions to the LED module, and the control center is communicatively and / or electrically connected to a data acquisition module, a data processing module, and a data analysis module;

[0006] The data acquisition module is used to obtain environmental perception data in the application scenario environment;

[0007] The data processing module is used to construct an application scenario environment perception model according to the acquired environment perception data, and generate an effect display model according to the control instruction;

[0008] The data analysis module is used to analyze the application scenario environment perception model and the effect display model, and generate corresponding LED module adjustment instructions according to the analysis results, and the control center controls the LED module according to the generated LED module adjustment instructions.

[0009] Furthermore, the process of the data acquisition module acquiring the environmental perception data in the application scenario environment includes:

[0010] The natural light entrance position of the application scene environment is marked as the natural light source position, and a corresponding data acquisition module is set at the natural light source position;

[0011] Acquire the natural light perception data of the natural light source position and the scene perception data of the lighting area through the data acquisition module, wherein the natural light perception data includes the light intensity and the light angle, and the scene perception data includes the lighting brightness and the light type;

[0012] The distances from the natural light source to the lighting area and the distances from the LED module to the lighting area are obtained respectively.

[0013] Furthermore, the process of the data processing module constructing an application scenario environment perception model according to the acquired environment perception data includes:

[0014] Constructing a three-dimensional space coordinate system, and generating corresponding virtual area spaces and virtual light source positions according to the lighting area and the natural light source positions, and mapping the generated virtual area spaces and virtual light source positions into the three-dimensional space coordinate system;

[0015] The lighting intensity and lighting angle of the natural light source are imported into the virtual light source, and a basic rendering lighting layer is generated in each virtual area space according to the lighting intensity and lighting angle of the imported natural light source, thereby completing the construction of the application scene environment perception model.

[0016] Furthermore, the generation process of the basic rendering lighting layer includes:

[0017] According to the lighting angle of the natural light source, a derived lighting area is generated at the virtual light source, and the coverage of the derived lighting area is determined;

[0018] Obtaining whether each virtual area space is within the coverage of the derived lighting area, and if the virtual area space is within the coverage of the derived lighting area, associating the virtual area space with the corresponding natural light source position;

[0019] Obtaining the coverage of the derived lighting area corresponding to the natural light source position associated with the virtual area space in the virtual area space, which is recorded as a first-level virtual derived area, and the portion outside the first-level virtual derived area in the virtual area space is recorded as a non-influenced area;

[0020] Record the superposition area of ​​each first-level virtual derivative area in the virtual area space as a second-level virtual derivative area;

[0021] Generating a corresponding first-level basic derivative brightness value for the first-level virtual derivative area, and generating a first-level basic derivative layer according to the obtained first-level basic derivative brightness value;

[0022] Generating a corresponding secondary basic derivative brightness value for the secondary virtual derivative area, and generating a secondary basic derivative layer according to the obtained secondary basic derivative brightness value;

[0023] The generated first-level base derivative layer and second-level base derivative layer are mapped to corresponding positions in the virtual area space.

[0024] Furthermore, the data analysis module analyzes the application scenario environment perception model, and generates corresponding LED module adjustment instructions according to the analysis results, including:

[0025] The LED module is composed of a plurality of LED lighting groups, and the lighting area corresponding to the LED module is divided into lighting sub-areas having the same number as the LED lighting groups, and each LED light group corresponds to one lighting sub-area;

[0026] Reading the primary effect parameters of the area corresponding to the primary virtual derivative area in the effect display model, wherein the primary effect parameters include the primary lighting type and the primary lighting brightness;

[0027] Reading secondary effect parameters of an area corresponding to the secondary virtual derivative area in the effect display model, wherein the secondary effect parameters include secondary lighting type and secondary lighting brightness;

[0028] Matching the obtained primary lighting type and secondary lighting type with the optical fiber type of the corresponding area in the lighting area to obtain the corresponding difference coefficient;

[0029] According to the obtained difference coefficient, the control lighting type corresponding to each LED light group in the LED module is obtained, and a lighting type correction instruction is generated;

[0030] The obtained primary lighting brightness and secondary lighting brightness are respectively compared with the primary basic derived brightness value and the secondary basic derived brightness value to obtain the corresponding primary brightness difference value and secondary brightness difference value;

[0031] Then, the first-level brightness control value and the second-level brightness control value of each LED lamp group in the LED module are obtained according to the obtained first-level brightness difference value and the second-level brightness difference value;

[0032] Generate corresponding LED module adjustment instructions according to the obtained first-level brightness adjustment value and second-level brightness adjustment value.

[0033] Furthermore, the LED module adjustment instructions include first-level correction adjustment instructions and second-level correction adjustment instructions. The first-level correction adjustment instructions and the second-level correction adjustment instructions are sent to the control center, and the control center corrects the control instructions according to the first-level correction adjustment instructions and the second-level correction adjustment instructions, and performs lighting control on each LED module and each LED light group in the LED module according to the corrected control instructions.

[0034] Compared with the prior art, the present invention has the following beneficial effects:

[0035] By acquiring scene perception data within the application scenario environment, it is determined whether the external environment will affect the lighting of the LED module. If it will have an impact, the control instructions issued by the control center are adaptively corrected according to the acquired scene perception data, so that the actual lighting effect of the LED module can be closer to the required lighting effect, avoiding the problem that the lighting effect of the LED module cannot achieve the expected effect due to differences in environmental data in the application scenario environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0037] Figure 1 It is a flow chart of the present invention. DETAILED DESCRIPTION

[0038] like Figure 1 As shown, the LED module control system based on environmental change perception includes a control center, which issues control instructions to the LED module, and the control center is communicatively and / or electrically connected to a data acquisition module, a data processing module, and a data analysis module;

[0039] The data acquisition module is used to obtain environmental perception data in the application scenario environment;

[0040] The data processing module is used to construct an application scenario environment perception model according to the acquired environment perception data, and generate an effect display model according to the control instruction;

[0041] The data analysis module is used to analyze the application scenario environment perception model and the effect display model, and generate corresponding LED module adjustment instructions according to the analysis results, and the control center controls the LED module according to the generated LED module adjustment instructions.

[0042] It should be further explained that, in the specific implementation process, the environmental perception data includes natural light perception data and scene perception data;

[0043] The process of the data acquisition module acquiring environmental perception data in the application scenario environment includes:

[0044] The natural light entrance position of the application scene environment is marked as the natural light source position, and a corresponding data acquisition module is set at the natural light source position;

[0045] Acquire the natural light perception data of the natural light source position through the set data acquisition module, and the natural light perception data includes light intensity and light angle;

[0046] Each natural light source position is labeled as i, where i = 1, 2, ..., n, and n is an integer;

[0047] The light intensity of the natural light source labeled i is recorded as Gq i ;

[0048] The LED modules installed in the application scenario environment are labeled as j, where j=1, 2, ..., m, and m is an integer;

[0049] Each LED module corresponds to a lighting area, and a corresponding data acquisition module is set in each lighting area;

[0050] Acquire scene perception data of the lighting area through the provided data acquisition module, wherein the scene perception data includes lighting brightness and light type;

[0051] The distance from each natural light source to the lighting area is recorded as ZJ i ;

[0052] The distance from the LED module to the lighting area is recorded as LJ j ;

[0053] The obtained environmental perception data is uploaded to the data processing module.

[0054] The process of constructing the application scenario environment perception model according to the acquired environment perception data by the data processing module includes:

[0055] Constructing a three-dimensional space coordinate system, and generating corresponding virtual area spaces and virtual light source positions according to the lighting area and the natural light source positions, and mapping the generated virtual area spaces and virtual light source positions into the three-dimensional space coordinate system;

[0056] The lighting intensity and lighting angle of the natural light source are imported into the virtual light source, and a basic rendering lighting layer is generated in each virtual area space according to the lighting intensity and lighting angle of the imported natural light source, thereby completing the construction of the application scene environment perception model.

[0057] It should be further explained that, in a specific implementation process, the basic rendering lighting layer includes a primary virtual derivative layer and a secondary virtual derivative layer, and the generation process of the basic rendering lighting layer includes:

[0058] According to the lighting angle of the natural light source, a derived lighting area is generated at the virtual light source, and the coverage of the derived lighting area is determined;

[0059] Obtain whether each virtual area space is within the coverage of the derived lighting area. If the virtual area space is within the coverage of the derived lighting area, associate the virtual area space with the corresponding natural light source position. It should be further explained that, in the specific implementation process, the criterion for determining whether the virtual area space is within the coverage of the derived lighting area is: when at least a part of the derived lighting area overlaps with a part of the virtual area space, it indicates that the virtual area space is within the coverage of the derived lighting area. Therefore, the same virtual area space may be associated with multiple natural light source positions at the same time, or may not be associated with any natural light source position.

[0060] Obtaining the coverage of the derived lighting area corresponding to the natural light source position associated with the virtual area space in the virtual area space, which is recorded as a first-level virtual derived area, and the portion outside the first-level virtual derived area in the virtual area space is recorded as a non-influenced area;

[0061] Record the superposition area of ​​each first-level virtual derivative area in the virtual area space as a second-level virtual derivative area;

[0062] Each first-level virtual derivative area superimposed in the second-level virtual derivative area is labeled as k, where k=1, 2, ..., s, where s is an integer;

[0063] Generate a corresponding first-level basic derivative brightness value for the first-level virtual derivative area, denoted as YJ;

[0064] Wherein, μ is the attenuation coefficient, ZJ is the distance between the natural light source position corresponding to the first-level virtual derivative area and the illumination area, and Gq is the illumination intensity of the natural light source position corresponding to the first-level virtual derivative area;

[0065] Generate a primary base derivative layer according to the obtained primary base derivative brightness value;

[0066] Generate a corresponding secondary basic derivative brightness value for the secondary virtual derivative area, denoted as EJ;

[0067] Among them, ZJ k Gq is the distance between the natural light source position corresponding to the first-level virtual derivative area labeled k and the lighting area, k is the illumination intensity of the natural light source corresponding to the first-level virtual derivative area labeled k, β is the correction coefficient, β>0;

[0068] Generate a secondary base derivative layer according to the obtained secondary base derivative brightness value;

[0069] The generated first-level base derivative layer and second-level base derivative layer are mapped to corresponding positions in the virtual area space.

[0070] It should be further explained that, in the specific implementation process, the control center issues control instructions, generates a corresponding effect display model in the application scenario environment perception model according to the control instructions, analyzes the effect display model through the data analysis module, and generates corresponding LED module adjustment instructions according to the analysis results.

[0071] The data analysis module analyzes the application scenario environment perception model and generates corresponding LED module adjustment instructions according to the analysis results, including:

[0072] The LED module is composed of a plurality of LED lighting groups, and the lighting area corresponding to the LED module is divided into lighting sub-areas having the same number as the LED lighting groups, and each LED light group corresponds to one lighting sub-area;

[0073] Reading the primary effect parameters of the area corresponding to the primary virtual derivative area in the effect display model, wherein the primary effect parameters include the primary lighting type and the primary lighting brightness;

[0074] Reading secondary effect parameters of an area corresponding to the secondary virtual derivative area in the effect display model, wherein the secondary effect parameters include secondary lighting type and secondary lighting brightness;

[0075] Matching the obtained primary lighting type and secondary lighting type with the optical fiber type of the corresponding area in the lighting area to obtain the corresponding difference coefficient;

[0076] According to the obtained difference coefficient, the control lighting type corresponding to each LED light group in the LED module is obtained, and a lighting type correction instruction is generated;

[0077] The obtained primary lighting brightness and secondary lighting brightness are respectively compared with the primary basic derived brightness value and the secondary basic derived brightness value to obtain the corresponding primary brightness difference value and secondary brightness difference value;

[0078] Then, the primary brightness control value and the secondary brightness control value of each LED lamp group in the LED module are obtained according to the obtained primary brightness difference value and the secondary brightness difference value, which are respectively recorded as Yt and Et;

[0079] in,

[0080] Where YL is the primary brightness difference, LJ corresponds to the distance from the LED module to the lighting area, μ 调控照明类型is the attenuation coefficient of the light corresponding to the regulated lighting type, which depends on the different light types, γ is the interference coefficient corresponding to the natural light source, which depends on the illumination angle of the natural light source, and Gq is the illumination intensity corresponding to the natural light source;

[0081] It should be further explained that, in the specific implementation process, the illumination angle of the natural light source is (0, π];

[0082] in,

[0083] Where EL is the secondary brightness difference, LJ corresponds to the distance from the LED module to the lighting area, and γ k is the interference coefficient of the natural light source corresponding to the first-level virtual derivative area labeled k, Gq k is the illumination intensity of the natural light source corresponding to the first-level virtual derivative area labeled k;

[0084] Corresponding LED module adjustment instructions are generated according to the obtained first-level brightness control value and second-level brightness control value, and the LED module adjustment instructions include first-level correction adjustment instructions and second-level correction adjustment instructions. The first-level correction adjustment instructions and the second-level correction adjustment instructions are sent to the control center, and the control center corrects the control instructions according to the first-level correction adjustment instructions and the second-level correction adjustment instructions, and performs lighting control on each LED module and each LED light group in the LED module according to the corrected control instructions.

[0085] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. An LED module control system based on environmental change perception includes a control center, which issues control instructions to the LED module, characterized in that: The control center is communicatively and / or electrically connected to a data acquisition module, a data processing module and a data analysis module; The data acquisition module is used to obtain environmental perception data in the application scenario environment; The data processing module is used to construct an application scenario environment perception model according to the acquired environment perception data, and generate an effect display model according to the control instruction; The data analysis module is used to analyze the application scenario environment perception model and the effect display model, and generate corresponding LED module adjustment instructions according to the analysis results, and the control center controls the LED module according to the generated LED module adjustment instructions; The process of the data acquisition module acquiring environmental perception data in the application scenario environment includes: Mark the natural light entrance of the application scene environment as the natural light source position, and set the corresponding data acquisition module at the natural light source position Acquire the natural light perception data of the natural light source position and the scene perception data of the lighting area through the data acquisition module, wherein the natural light perception data includes the light intensity and the light angle, and the scene perception data includes the lighting brightness and the light type; Obtain the distance from the natural light source to the lighting area and the distance from the LED module to the lighting area respectively; The process of constructing the application scenario environment perception model according to the acquired environment perception data by the data processing module includes: Constructing a three-dimensional space coordinate system, and generating corresponding virtual area spaces and virtual light source positions according to the lighting area and the natural light source positions, and mapping the generated virtual area spaces and virtual light source positions into the three-dimensional space coordinate system; Importing the illumination intensity and illumination angle of the natural light source position into the virtual light source position, and generating a basic rendering illumination layer in each virtual area space according to the illumination intensity and illumination angle of the imported natural light source position, thereby completing the construction of the application scene environment perception model; The generation process of the basic rendering lighting layer includes: According to the lighting angle of the natural light source, a derived lighting area is generated at the virtual light source, and the coverage of the derived lighting area is determined; Obtaining whether each virtual area space is within the coverage of the derived lighting area, and if the virtual area space is within the coverage of the derived lighting area, associating the virtual area space with the corresponding natural light source position; Obtaining the coverage of the derived lighting area corresponding to the natural light source position associated with the virtual area space in the virtual area space, which is recorded as a first-level virtual derived area, and the portion outside the first-level virtual derived area in the virtual area space is recorded as a non-influenced area; Record the superposition area of ​​each first-level virtual derivative area in the virtual area space as a second-level virtual derivative area; Generating a corresponding first-level basic derivative brightness value for the first-level virtual derivative area, and generating a first-level basic derivative layer according to the obtained first-level basic derivative brightness value; Generating a corresponding secondary basic derivative brightness value for the secondary virtual derivative area, and generating a secondary basic derivative layer according to the obtained secondary basic derivative brightness value; Mapping the generated primary base derivative layer and secondary base derivative layer to corresponding positions in the virtual area space; The data analysis module analyzes the application scenario environment perception model and generates corresponding LED module adjustment instructions according to the analysis results, including: The LED module is composed of a plurality of LED lighting groups, and the lighting area corresponding to the LED module is divided into lighting sub-areas having the same number as the LED lighting groups, and each LED light group corresponds to one lighting sub-area; Reading the primary effect parameters of the area corresponding to the primary virtual derivative area in the effect display model, wherein the primary effect parameters include the primary lighting type and the primary lighting brightness; Reading secondary effect parameters of an area corresponding to the secondary virtual derivative area in the effect display model, wherein the secondary effect parameters include secondary lighting type and secondary lighting brightness; Matching the obtained primary lighting type and secondary lighting type with the optical fiber type of the corresponding area in the lighting area to obtain the corresponding difference coefficient; According to the obtained difference coefficient, the control lighting type corresponding to each LED light group in the LED module is obtained, and a lighting type correction instruction is generated; The obtained primary lighting brightness and secondary lighting brightness are respectively compared with the primary basic derived brightness value and the secondary basic derived brightness value to obtain the corresponding primary brightness difference value and secondary brightness difference value; Then, the first-level brightness control value and the second-level brightness control value of each LED lamp group in the LED module are obtained according to the obtained first-level brightness difference value and the second-level brightness difference value; Generate corresponding LED module adjustment instructions according to the obtained first-level brightness adjustment value and second-level brightness adjustment value.

2. The LED module control system based on environmental change perception according to claim 1, characterized in that: The LED module adjustment instructions include a first-level correction adjustment instruction and a second-level correction adjustment instruction. The first-level correction adjustment instruction and the second-level correction adjustment instruction are sent to the control center, and the control center corrects the control instruction according to the first-level correction adjustment instruction and the second-level correction adjustment instruction, and performs lighting control on each LED module and each LED light group in the LED module according to the corrected control instruction.

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