Lighting system with anti-interference illuminance compensation function and anti-interference illuminance compensation method thereof

Abstract

The present application provides a lighting system with anti-interference illuminance compensation function and an anti-interference illuminance compensation method thereof. The lighting system comprises a sensor module, a controller and at least one light source. The sensor module detects infrared radiation intensity and ambient total illuminance. The controller is connected with the sensor module and executes a spectral ratio calculation program to calculate a spectral ratio of the infrared radiation intensity and the ambient total illuminance. The light source is connected with the controller. When the spectral ratio is substantially greater than 0, the controller executes a natural light illumination decoupling program to calculate a natural light illuminance component according to the infrared radiation intensity and a natural light spectral conversion coefficient, executes a light compensation program to calculate a light compensation value according to default target illuminance data and the natural light illuminance component, and controls the light source according to the light compensation value.

Description

Technical Field

[0001] This application relates to a lighting system, and more particularly to a lighting system with interference-resistant illuminance compensation function. This application also relates to a method for interference-resistant illuminance compensation in this lighting system. Background Technology

[0002] Existing lighting systems mostly measure the total illuminance of the environment using photosensitive sensors, but cannot further analyze the nature or source of each light source in the illuminance. As a result, the system cannot effectively distinguish whether the change in ambient brightness is caused by changes in natural light conditions or by the switching on and off of indoor artificial light sources.

[0003] Furthermore, in a closed-loop dimming control architecture, when the lighting system activates or adjusts the artificial light output based on sensing results, the resulting artificial light feedback directly affects the sensor readings, causing the control logic to be repeatedly corrected, forming a positive feedback loop and leading to unstable light source output. This dead-loop control oscillation phenomenon causes the lighting system to flicker (breathing effect). Summary of the Invention

[0004] According to one embodiment of this application, a lighting system with anti-interference illuminance compensation function is proposed, comprising a sensor module, a controller, and at least one light source. The sensor module detects infrared radiation intensity and total ambient illuminance. The controller is connected to the sensor module and executes a spectral ratio calculation program to calculate the spectral ratio of infrared radiation intensity to total ambient illuminance. The light source is connected to the controller. When the spectral ratio is substantially greater than 0, the controller executes a natural light illumination decoupling program to calculate the natural light illuminance component based on the infrared radiation intensity and the natural light spectral conversion coefficient, and executes a supplementary lighting program to calculate a supplementary lighting value based on default target illuminance data and the natural light illuminance component, and controls the light source based on the supplementary lighting value.

[0005] In one embodiment, the controller executes a natural light illumination decoupling procedure to calculate the product of infrared radiation intensity and natural light spectral conversion coefficient, and uses the product as the natural light illuminance component.

[0006] In one embodiment, the controller executes a supplementary lighting procedure to calculate the difference between the default target illuminance data and the natural light illuminance component, and uses the difference as the supplementary lighting value.

[0007] In one embodiment, the controller executes a dual threshold activation procedure to activate the light source when the total ambient illuminance is less than or equal to a preset lower illuminance limit and the infrared radiation intensity is less than or equal to the ratio of the preset lower illuminance limit to a preset natural light coefficient.

[0008] In one embodiment, the sensor module is a multi-channel photoelectric sensor.

[0009] In one embodiment, the sensor module includes a visible light sensor and an infrared light sensor.

[0010] According to another embodiment of this application, an anti-interference illuminance compensation method is proposed, which includes the following steps: executing a spectral ratio calculation program based on the infrared light radiation intensity and the total ambient illuminance detected by the sensor module to calculate the spectral ratio of the infrared light radiation intensity to the total ambient illuminance; executing a natural light illumination decoupling program when the spectral ratio is substantially greater than 0 to calculate the natural light illuminance component based on the infrared light radiation intensity and the natural light spectral conversion coefficient; and executing a supplementary lighting program to calculate the supplementary lighting value based on the default target illuminance data and the natural light illuminance component, and controlling the light source based on the supplementary lighting value.

[0011] In one embodiment, the step of performing a natural light illumination decoupling procedure to calculate the natural light illuminance component based on the infrared radiation intensity and the natural light spectral conversion coefficient when the spectral ratio is substantially greater than 0 includes the following steps: calculating the product of the infrared radiation intensity and the natural light spectral conversion coefficient, and using the product as the natural light illuminance component.

[0012] In one embodiment, the step of performing a supplementary lighting procedure to calculate a supplementary lighting value based on default target illuminance data and natural light illuminance components, and controlling the light source based on the supplementary lighting value, includes the following steps: calculating the difference between the default target illuminance data and the natural light illuminance components, and using the difference as the supplementary lighting value.

[0013] In one embodiment, the method further includes the following steps: executing a dual threshold activation procedure to activate the light source when the total ambient illuminance is less than or equal to a preset lower illuminance limit and the infrared radiation intensity is less than or equal to the ratio of the preset lower illuminance limit to a preset natural light coefficient.

[0014] In summary, the lighting system and method with anti-interference illuminance compensation function according to the embodiments of this application may have one or more of the following advantages: (1) In one embodiment of this application, the lighting system includes a sensor module, a controller, and at least one light source. The sensor module detects infrared radiation intensity and total ambient illuminance. The controller is connected to the sensor module and executes a spectral ratio calculation program to calculate the spectral ratio of infrared radiation intensity to total ambient illuminance. The light source is connected to the controller. When the spectral ratio is substantially greater than 0, the controller executes a natural light illumination decoupling program to calculate the natural light illuminance component based on the infrared radiation intensity and the natural light spectral conversion coefficient, and executes a supplementary lighting program to calculate a supplementary lighting value based on default target illuminance data and the natural light illuminance component, and controls the light source based on the supplementary lighting value. Through the above-described infrared anchoring open-loop compensation mechanism integrating spectral ratio calculation, natural light illumination decoupling program, and supplementary lighting program, the lighting system can effectively compensate for illuminance fluctuations caused by changes in natural light and avoid interference from artificial light. Therefore, the lighting system can effectively prevent the light source from flickering (breathing effect).

[0015] (2) In one embodiment of this application, the controller of the lighting system can execute a natural light lighting decoupling procedure to calculate the product of infrared radiation intensity and natural light spectral conversion coefficient, and use this product as the natural light illuminance component. Through the natural light lighting decoupling procedure based on the natural light spectral conversion coefficient, the controller can separate and accurately calculate the illuminance component formed by natural light in the total ambient illuminance, thereby obtaining the actual natural light illuminance component. Based on the calculation result of the natural light illuminance component, the lighting system can more accurately perform dimming control, enabling the output of artificial light sources to effectively match changes in natural light, thereby improving the overall dimming accuracy and control reliability to meet practical application requirements.

[0016] (3) In one embodiment of this application, the controller of the lighting system can execute a dual-threshold start-up procedure to activate the light source when the total ambient illuminance is less than or equal to a preset lower illuminance limit and the infrared radiation intensity is less than or equal to the ratio of the preset lower illuminance limit to a preset natural light coefficient. Through the dual-threshold start-up procedure with a default natural light coefficient, the lighting system, based on at least two start-up judgment thresholds, ensures that the light source is only activated when the natural light illuminance in the environment drops below a predetermined start-up threshold, thereby avoiding accidental activation of the light source when natural light is still sufficient. Furthermore, this dual-threshold design can effectively eliminate sensing interference caused by artificial light feedback, reducing start-up judgment errors. Thus, the start-up control mechanism of the lighting system can balance accuracy and stability, improving its adaptability and practicality in different application scenarios.

[0017] (4) In one embodiment of this application, the controller of the lighting system can execute a dual-threshold shutdown procedure to shut down the light source when the total ambient illuminance is greater than or equal to twice the preset lower illuminance limit and the infrared radiation intensity is greater than or equal to twice the ratio of the preset lower illuminance limit to the preset natural light coefficient. Through the dual-threshold shutdown procedure with a default natural light coefficient, the lighting system can execute the light source shutdown action only when the ambient natural light illuminance increases and stabilizes above the predetermined shutdown threshold, based on at least two shutdown judgment thresholds, thereby avoiding accidental shutdown of the light source during brief fluctuations in natural light. Furthermore, this dual-threshold shutdown procedure can effectively suppress sensing interference caused by artificial light feedback, reducing shutdown judgment errors. Thus, the shutdown control mechanism of the lighting system achieves both accuracy and stability, further improving its applicability and reliability in different application scenarios.

[0018] (5) In one embodiment of this application, the lighting system has an infrared anchored open-loop compensation mechanism, which can respond in real time to illuminance fluctuations caused by changes in natural light in the environment and dynamically adjust the output of artificial light sources to maintain the stability of ambient illuminance. Simultaneously, the infrared anchored open-loop compensation mechanism can effectively suppress sensing interference caused by artificial light feedback and reduce the occurrence of compensation misjudgments. Therefore, the lighting system can provide a more reliable and consistent illuminance control effect, possessing high control stability and system compatibility, and is thus particularly suitable for various intelligent control systems, helping to meet the development needs of future smart lighting and smart environments. Attached Figure Description

[0019] Figure 1 This is a block diagram of a lighting system with anti-interference illuminance compensation function according to the first embodiment of this application.

[0020] Figure 2 This is a schematic diagram of the operation of a lighting system with anti-interference illuminance compensation function according to the first embodiment of this application.

[0021] Figure 3 This is a block diagram of a lighting system with anti-interference illuminance compensation function according to the second embodiment of this application.

[0022] Figure 4 This is a schematic diagram of the operation of a lighting system with anti-interference illuminance compensation function according to the second embodiment of this application.

[0023] Figure 5 This is a first schematic diagram of the operation state of a lighting system with anti-interference illuminance compensation function according to the third embodiment of this application.

[0024] Figure 6 This is a second schematic diagram showing the operation of a lighting system with anti-interference illuminance compensation function according to the third embodiment of this application.

[0025] Figure 7 This is a third schematic diagram illustrating the operation of a lighting system with anti-interference illuminance compensation function according to a third embodiment of this application.

[0026] Figure 8 This is a flowchart of the anti-interference illuminance compensation method according to the fourth embodiment of this application.

[0027] Explanation of reference numerals in the attached figures: 1-Lighting system; 11-Sensor module; 12-Controller; 13-Light source; IR-Infrared radiation intensity; VS-Total ambient illuminance; Cs-Control signal; UR-Vehicle; S81~S84-Step process.

[0028] The following detailed description of the features and advantages of the present invention is sufficient to enable anyone skilled in the art to understand the technical content of the present invention and implement it accordingly. Based on the content disclosed in this specification, the claims and drawings, anyone skilled in the art can easily understand the purpose and advantages of this creation. Detailed Implementation

[0029] The following description, with reference to the relevant figures, illustrates embodiments of the lighting system with anti-interference illuminance compensation function and its anti-interference illuminance compensation method according to this application. For clarity and convenience of illustration, the dimensions and proportions of the components in the figures may be exaggerated or reduced. In the following description and / or claims, when a component is referred to as "connected" or "coupled" to another component, it may be directly connected or coupled to that other component or there may be an intervening component; while when a component is referred to as "directly connected" or "directly coupled" to another component, there is no intervening component. Other terms used to describe the relationship between components or layers should be interpreted in the same manner. For ease of understanding, the same components in the following embodiments are indicated by the same symbols.

[0030] Please see Figure 1 This is a block diagram of a lighting system with anti-interference illuminance compensation function according to the first embodiment of this application. As shown in the figure, the lighting system 1 includes a sensor module 11, a controller 12, and a light source 13. In this embodiment, the lighting system 1 is a lighting device.

[0031] The sensor module 11 and the light source 13 can be connected to the controller 12 via wired or wireless means. In one embodiment, the controller 12 can be a microcontroller (MCU). In another embodiment, the controller 12 can also be a central processing unit (CPU), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other components with the same function.

[0032] In one embodiment, the sensor module 11 may be a multi-channel photoelectric sensor, which includes a visible light channel (for example, the response band of the visible light channel is about 380nm~780nm, but not limited thereto) and an infrared light channel (for example, the response band of the infrared light channel is about 780nm~1100nm, but not limited thereto). In another embodiment, the sensor module 11 may also include a visible light sensor and an infrared light sensor.

[0033] In one embodiment, the light source 13 may be a light-emitting diode (LED). In another embodiment, the light source 13 may also be an array of LEDs, a fluorescent lamp, a light bulb, or other components with the same function.

[0034] Of course, this embodiment is only for illustration and not for limiting the scope of this application. Equivalent modifications or changes made to the lighting system 1 with anti-interference illuminance compensation function according to this embodiment should still be included in the patent scope of this application.

[0035] Please see Figure 2 This is a schematic diagram illustrating the operation of a lighting system with anti-interference illuminance compensation function according to the first embodiment of this application. As shown in the figure, the sensor module 11 detects the surrounding environment to obtain the infrared radiation intensity IR and the total ambient illuminance VS of the surrounding environment.

[0036] The controller 12 receives the infrared radiation intensity IR and the total ambient illuminance VS from the sensor module 11. Then, the controller 12 executes a spectral ratio calculation program to calculate the spectral ratio of the infrared radiation intensity IR to the total ambient illuminance VS, as shown in the following equation (1): R = IR / VS………(1) Where R represents the spectral ratio.

[0037] Next, when the spectral ratio is substantially greater than 0, the controller 12 executes a natural light illumination decoupling procedure to calculate the natural light illuminance component based on the infrared radiation intensity IR and the natural light spectral conversion coefficient. In the natural light illumination decoupling procedure, the controller 12 calculates the product of the infrared radiation intensity IR and the natural light spectral conversion coefficient, and uses the product as the natural light illuminance component, as shown in equation (2) below: L1=K1×IR………(2) Where K1 represents the natural light spectral conversion coefficient; L1 represents the natural light illuminance component. The natural light spectral conversion coefficient represents the ratio of infrared radiation to natural light (sunlight), which may vary depending on weather conditions. The natural light spectral conversion coefficient can be used to estimate the intensity of natural light based on infrared radiation intensity (IR).

[0038] Then, the controller 12 executes a supplementary lighting procedure to calculate the supplementary lighting value based on the default target illuminance data and the natural light illuminance component. In the supplementary lighting procedure, the controller 12 calculates the difference between the default target illuminance data and the natural light illuminance component, and uses the difference as the supplementary lighting value, as shown in the following formula (3): P = L2 - L1 ………(3) Where P represents the supplemental lighting value; L2 represents the default target illuminance data. Users can adjust this default target illuminance data according to their actual illuminance needs.

[0039] Finally, the controller 12 can transmit a control signal Cs to the light source 13 according to the supplementary light value to control the light source 13 and perform the illuminance compensation function. Since the supplementary light value is the difference between the default target illuminance data and the natural light illuminance component, the interference of artificial light can be eliminated.

[0040] For example, sensor module 11 detects the surrounding environment (during the day) and obtains the infrared radiation intensity IR of the surrounding environment as 500 Lux, and the total ambient illuminance VS as 1000 Lux.

[0041] Then, controller 12 executes the spectral ratio calculation program to calculate the spectral ratio as R = 500 / 1000 = 0.5. Controller 12 determines that the spectral ratio is substantially greater than 0. Thus, controller 12 determines that the total ambient illuminance VS mainly comes from natural light.

[0042] Next, the controller 12 executes the natural light illumination decoupling procedure to calculate the natural light illuminance component L1 = 2 × 500 = 1000 Lux. In this embodiment, the natural light spectral conversion coefficient is 2, meaning that half of the natural light is infrared light, which can be adjusted according to actual conditions.

[0043] Next, the controller 12 executes a supplementary lighting program to calculate the supplementary lighting value P = 1100 - 1000 = 100 Lux. The default target illuminance data in this embodiment is 1100 Lux, which can be adjusted according to actual needs. In this way, the controller 12 can control the light source 13 with a power corresponding to 100 Lux to make the total ambient illuminance reach the default target illuminance data.

[0044] For example, sensor module 11 detects the surrounding environment (at dusk) and obtains the infrared radiation intensity IR of the surrounding environment as 5 Lux, and the total ambient illuminance VS as 500 Lux.

[0045] Then, controller 12 executes the spectral ratio calculation program to calculate the spectral ratio as R = 5 / 500 = 0.01. Controller 12 determines that the spectral ratio is not substantially greater than 0 (much smaller than the spectral ratio of normal natural light). Therefore, controller 12 does not execute the subsequent decoupling and illumination supplementation program.

[0046] For example, sensor module 11 detects the surrounding environment (at night) and obtains the infrared radiation intensity IR of the surrounding environment as 100 Lux, and the total ambient illuminance VS as 500 Lux.

[0047] Then, controller 12 executes the spectral ratio calculation program to calculate the spectral ratio as R = 100 / 500 = 0.2. Controller 12 determines that the spectral ratio is substantially greater than 0.

[0048] Next, controller 12 executes the natural light illumination decoupling procedure to calculate the natural light illuminance component L1 = 2 × 100 = 200 Lux. That is, although the total ambient illuminance VS is 500 Lux, only 200 Lux comes from natural light, while the rest is artificial light.

[0049] Next, the controller 12 executes a supplementary lighting program to calculate the supplementary lighting value P = 1100 - 200 = 900 Lux. In this way, the controller 12 can control the light source 13 with a power corresponding to 900 Lux, so that the total ambient illuminance reaches the default target illuminance data.

[0050] As described above, in this embodiment, through the infrared anchoring open-loop compensation mechanism that integrates the spectral ratio calculation, the natural light illumination decoupling procedure, and the supplementary lighting procedure, the lighting system 1 can effectively compensate for illuminance fluctuations caused by changes in natural light and avoid interference from artificial light. Therefore, the lighting system 1 can effectively prevent the light source from flickering (breathing effect).

[0051] In addition, in this embodiment, the controller 12 of the lighting system 1 can execute a natural light illumination decoupling procedure to calculate the product of infrared radiation intensity IR and natural light spectral conversion coefficient, and use this product as the natural light illuminance component. Through the natural light illumination decoupling procedure based on the natural light spectral conversion coefficient, the controller 12 can separate and accurately calculate the illuminance component formed by natural light in the total ambient illuminance VS, thereby obtaining the actual natural light illuminance component. Based on the calculation result of the natural light illuminance component, the lighting system 1 can more accurately perform dimming control, so that the output of the artificial light source 13 can effectively match the changes in natural light, thereby improving the overall dimming accuracy and control reliability to meet the needs of practical applications.

[0052] Of course, this embodiment is only for illustration and not for limiting the scope of this application. Equivalent modifications or changes made to the lighting system 1 with anti-interference illuminance compensation function according to this embodiment should still be included in the patent scope of this application.

[0053] Please see Figure 3 This is a block diagram of a lighting system with anti-interference illuminance compensation function according to the second embodiment of this application. As shown in the figure, the lighting system 1 includes a sensor module 11, a controller 12, and multiple light sources 13. Unlike the previous embodiments, the lighting system 1 in this embodiment is a lighting control system that includes multiple lighting devices.

[0054] The sensor module 11 and the light source 13 can be connected to the controller 12 via wired or wireless means. In one embodiment, the controller 12 can be a central control computer. In another embodiment, the controller 12 can also be a smartphone, tablet computer, personal computer, laptop computer, or other components with the same function.

[0055] In one embodiment, the sensor module 11 may be a multi-channel photoelectric sensor, which includes a visible light channel (for example, the response band of the visible light channel is about 380nm~780nm, but not limited thereto) and an infrared light channel (for example, the response band of the infrared light channel is about 780nm~1100nm, but not limited thereto). In another embodiment, the sensor module 11 may also include a visible light sensor and an infrared light sensor.

[0056] In one embodiment, the light source 13 may be an LED lamp. In another embodiment, the light source 13 may also be a fluorescent lamp, a light bulb, or other components with the same function.

[0057] Of course, this embodiment is only for illustration and not for limiting the scope of this application. Equivalent modifications or changes made to the lighting system 1 with anti-interference illuminance compensation function according to this embodiment should still be included in the patent scope of this application.

[0058] Please see Figure 4 This is a schematic diagram illustrating the operation of a lighting system with anti-interference illuminance compensation function according to the second embodiment of this application. As shown, similarly, the controller 12 receives infrared radiation intensity IR and total ambient illuminance VS from the sensor module 11. Then, the controller 12 executes a spectral ratio calculation program to calculate the spectral ratio of infrared radiation intensity IR to total ambient illuminance VS. Next, when the spectral ratio is substantially greater than 0, the controller 12 executes a natural light illumination decoupling program to calculate the natural light illuminance component based on infrared radiation intensity IR and natural light spectral conversion coefficient. Then, the controller 12 executes a supplementary lighting program to calculate the supplementary lighting value based on the default target illuminance data and the natural light illuminance component, and transmits a control signal Cs to the light source 13 according to the supplementary lighting value to control the light source 13 to perform the illuminance compensation function.

[0059] In addition, the controller 12 can also execute a dual threshold start-up procedure to start the light source 13 when the total ambient illuminance VS is less than or equal to the preset lower illuminance limit and the infrared radiation intensity IR is less than or equal to the ratio of the preset lower illuminance limit to the preset natural light coefficient, as shown in the following formula (4): VS ≤ A and IR ≤ A / K2………(4) Where A represents the preset lower limit of illuminance; K2 represents the preset natural light coefficient. Users can adjust this preset lower limit of illuminance according to actual illuminance requirements. The preset natural light coefficient is a constant used to set safety boundaries, which helps determine whether the ambient light has sufficient natural light characteristics. The preset natural light coefficient can be adjusted according to actual needs.

[0060] For example, the preset lower limit of illuminance is 30 Lux; the preset natural light coefficient is 3. The sensor module 11 detects the surrounding environment and obtains the infrared radiation intensity IR of the surrounding environment as 5 Lux, and the total ambient illuminance VS as 20 Lux.

[0061] Then, controller 12 executes a dual threshold activation procedure to determine that VS(20Lux)≤A(30Lux) and IR(5Lux)≤A / K2(30 / 3=10Lux). At this point, controller 12 determines that the natural light has indeed decreased significantly, so it activates light source 13.

[0062] Controller 12 can also execute a dual threshold shutdown procedure to shut down light source 13 when the total ambient illuminance VS is greater than or equal to twice the preset lower illuminance limit and the infrared radiation intensity IR is greater than or equal to twice the ratio of the preset lower illuminance limit to the preset natural light coefficient, as shown in equation (5): VS ≥ 2A and IR ≥ 2A / K2………(5) For example, the preset lower limit of illuminance is 30 Lux; the preset natural light coefficient is 3. The sensor module 11 detects the surrounding environment and obtains the infrared radiation intensity IR of the surrounding environment as 5 Lux, and the total ambient illuminance VS as 200 Lux.

[0063] Then, the controller 12 executes a dual threshold shutdown procedure to determine that VS (200 Lux) ≥ 2A (30 × 2 = 60 Lux), but IR (5 Lux) ≤ A / K2 (2 × 30 / 3 = 20 Lux). At this time, the controller 12 determines that the total ambient illuminance VS contains a large amount of artificial light, so it does not shut down the light source 13.

[0064] For example, the preset lower limit of illuminance is 30 Lux; the preset natural light coefficient is 3. The sensor module 11 detects the surrounding environment and obtains the infrared radiation intensity IR of the surrounding environment as 50 Lux, and the total ambient illuminance VS as 200 Lux.

[0065] Then, controller 12 executes a dual threshold shutdown procedure to determine that VS (200 Lux) ≥ 2A (30 × 2 = 60 Lux) and IR (50 Lux) ≥ A / K2 (2 × 30 / 3 = 20 Lux). At this point, controller 12 determines that the natural light component of the total ambient illuminance VS has indeed increased, and therefore shuts down light source 13.

[0066] As described above, in this embodiment, the controller 12 of the lighting system 1 can execute a dual-threshold activation procedure to activate the light source 13 when the total ambient illuminance VS is less than or equal to a preset lower illuminance limit and the infrared radiation intensity IR is less than or equal to the ratio of the preset lower illuminance limit to the preset natural light coefficient. Through the dual-threshold activation procedure with a default natural light coefficient, the lighting system 1, based on at least two activation thresholds, ensures that the light source 13 is only activated when the ambient natural light illuminance drops below a predetermined activation threshold, thereby avoiding accidental activation of the light source 13 when natural light is still sufficient. Furthermore, this dual-threshold design can effectively eliminate sensing interference caused by artificial light feedback, reducing activation judgment errors. Thus, the activation control mechanism of the lighting system 1 can balance accuracy and stability, improving its adaptability and practicality in different application scenarios.

[0067] Furthermore, in this embodiment, the controller 12 of the lighting system 1 can execute a dual-threshold shutdown procedure to shut down the light source 13 when the total ambient illuminance VS is greater than or equal to twice the preset lower illuminance limit and the infrared radiation intensity IR is greater than or equal to twice the ratio of the preset lower illuminance limit to the preset natural light coefficient. Through the dual-threshold shutdown procedure with a default natural light coefficient, the lighting system 1 can, based on at least two shutdown judgment thresholds, only execute the shutdown action of the light source 13 when the ambient natural light illuminance increases and stabilizes above the predetermined shutdown threshold, thereby avoiding accidental shutdown of the light source 13 during brief fluctuations in natural light. In addition, this dual-threshold shutdown procedure can effectively suppress sensing interference caused by artificial light feedback, reducing shutdown judgment errors. Thus, the shutdown control mechanism of the lighting system 1 achieves both accuracy and stability, further improving its applicability and reliability in different application scenarios.

[0068] Of course, this embodiment is only for illustration and not for limiting the scope of this application. Equivalent modifications or changes made to the lighting system 1 with anti-interference illuminance compensation function according to this embodiment should still be included in the patent scope of this application.

[0069] It is worth noting that existing lighting systems mostly measure the total illuminance of the environment using photosensitive sensors, failing to further analyze the nature or source of each light source within the illuminance. This makes it impossible for the system to effectively distinguish whether changes in ambient brightness are caused by variations in natural light conditions or by the activation or deactivation of indoor artificial light sources. Furthermore, in a closed-loop dimming control architecture, when the lighting system activates or adjusts the output of artificial light sources based on sensing results, the resulting artificial light feedback directly affects the sensor readings, leading to repeated corrections of the control logic, forming a positive feedback loop, and causing unstable light source output. This dead-loop control oscillation phenomenon causes flickering (breathing effect) in the lighting system. In contrast, according to embodiments of this application, the lighting system includes a sensor module, a controller, and at least one light source. The sensor module detects infrared radiation intensity and total ambient illuminance. The controller is connected to the sensor module and executes a spectral ratio calculation program to calculate the spectral ratio of infrared radiation intensity to total ambient illuminance. The light source is connected to the controller. The controller executes a natural light illumination decoupling procedure when the spectral ratio is substantially greater than 0. This procedure calculates the natural light illuminance component based on the infrared radiation intensity and the natural light spectral conversion coefficient. Simultaneously, it executes a supplementary lighting procedure to calculate the supplementary lighting value based on the default target illuminance data and the natural light illuminance component. The light source is then controlled according to this supplementary lighting value. Through this integrated infrared anchoring open-loop compensation mechanism, which combines spectral ratio calculation, natural light illumination decoupling, and supplementary lighting procedures, the lighting system effectively compensates for illuminance fluctuations caused by changes in natural light and avoids interference from artificial light. Therefore, the lighting system effectively prevents flickering (breathing effect) from the light source.

[0070] Furthermore, according to embodiments of this application, the controller of the lighting system can execute a natural light illumination decoupling procedure to calculate the product of infrared radiation intensity and the natural light spectral conversion coefficient, and use this product as the natural light illuminance component. Through the natural light illumination decoupling procedure based on the natural light spectral conversion coefficient, the controller can separate and accurately calculate the illuminance component formed by natural light in the total ambient illuminance, thereby obtaining the actual natural light illuminance component. Based on the calculation results of the natural light illuminance component, the lighting system can more accurately perform dimming control, enabling the output of artificial light sources to effectively match changes in natural light, thereby improving the overall dimming accuracy and control reliability to meet practical application requirements.

[0071] Furthermore, according to embodiments of this application, the controller of the lighting system can execute a dual-threshold activation procedure to activate the light source when the total ambient illuminance is less than or equal to a preset lower illuminance limit and the infrared radiation intensity is less than or equal to the ratio of the preset lower illuminance limit to a preset natural light coefficient. Through this dual-threshold activation procedure with a default natural light coefficient, the lighting system, based on at least two activation thresholds, ensures that the light source is only activated when the ambient natural light illuminance drops below a predetermined activation threshold, thereby avoiding accidental activation of the light source when natural light is still sufficient. On the other hand, this dual-threshold design can also effectively eliminate sensing interference caused by artificial light feedback, reducing activation judgment errors. Thus, the activation control mechanism of the lighting system can balance accuracy and stability, improving its adaptability and practicality in different application scenarios.

[0072] Furthermore, according to embodiments of this application, the controller of the lighting system can execute a dual-threshold shutdown procedure to turn off the light source when the total ambient illuminance is greater than or equal to twice the preset lower illuminance limit and the infrared radiation intensity is greater than or equal to twice the ratio of the preset lower illuminance limit to the preset natural light coefficient. Through this dual-threshold shutdown procedure with a default natural light coefficient, the lighting system can determine the shutdown action only when the ambient natural light illuminance increases and stabilizes above the predetermined shutdown threshold, based on at least two shutdown judgment thresholds, thereby avoiding accidental shutdown of the light source during brief fluctuations in natural light. In addition, this dual-threshold shutdown procedure can effectively suppress sensing interference caused by artificial light feedback, reducing shutdown judgment errors. Thus, the shutdown control mechanism of the lighting system achieves both accuracy and stability, further improving its applicability and reliability in different application scenarios.

[0073] Furthermore, according to embodiments of this application, the lighting system has an infrared anchored open-loop compensation mechanism, which can respond in real time to illuminance fluctuations caused by changes in natural light in the environment, dynamically adjusting the output of artificial light sources to maintain the stability of ambient illuminance. Simultaneously, the infrared anchored open-loop compensation mechanism can effectively suppress sensing interference caused by artificial light feedback, reducing the occurrence of compensation misjudgments. Therefore, the lighting system can provide a more reliable and consistent illuminance control effect, possessing high control stability and system compatibility, making it particularly suitable for various intelligent control systems and helping to meet the development needs of future smart lighting and smart environments. As can be seen from the above, the lighting system with anti-interference illuminance compensation function according to embodiments of this application can indeed achieve excellent technical results.

[0074] Please see Figure 5 , Figure 6 and Figure 7 These are first, second, and third schematic diagrams illustrating the operational state of a lighting system with anti-interference illuminance compensation function according to the third embodiment of this application. Figure 5As shown, the lighting system 1 includes a sensor module 11, a controller 12, and multiple light sources 13. The lighting system 1 is installed in a parking lot.

[0075] The controller 12 receives the infrared radiation intensity IR and the total ambient illuminance VS from the sensor module 11. Then, the controller 12 executes the infrared anchoring open-loop compensation mechanism that integrates the spectral ratio calculation, natural light illumination decoupling procedure and supplementary lighting procedure to calculate the corresponding supplementary lighting value and generate a control signal Cs accordingly to control the output state of the multiple light sources 13.

[0076] like Figure 6 As shown, when a vehicle UR enters the parking lot, although the headlights of the vehicle UR will produce artificial light, since it does not affect the natural light illuminance component in the total ambient illuminance VS, the supplementary light value calculated by the controller 12 through the aforementioned infrared anchoring open-loop compensation mechanism remains unchanged, so that the light source 13 will not be misadjusted due to the interference of the headlights.

[0077] like Figure 7 As shown, when the natural light intensity in the environment increases over time, the controller 12 can sense the change in natural light in real time and recalculate the corresponding supplementary light value. Then, it can adjust the output of multiple light sources 13 through the control signal Cs so that the overall lighting state can be dynamically adjusted according to the change in natural light conditions.

[0078] Of course, this embodiment is only for illustration and not for limiting the scope of this application. Equivalent modifications or changes made to the lighting system 1 with anti-interference illuminance compensation function according to this embodiment should still be included in the patent scope of this application.

[0079] Please see Figure 8 The figure shows a flowchart of the interference-resistant illuminance compensation method according to the fourth embodiment of this application. As shown in the figure, the interference-resistant illuminance compensation method of this embodiment includes the following steps: Step S81: Execute the spectral ratio calculation program based on the infrared radiation intensity and total ambient illuminance detected by the sensor module to calculate the spectral ratio of infrared radiation intensity to total ambient illuminance.

[0080] Step S82: When the spectral ratio is substantially greater than 0, execute the natural light illumination decoupling procedure to calculate the natural light illuminance component based on the infrared radiation intensity and the natural light spectral conversion coefficient.

[0081] Step S83: Execute the supplementary lighting procedure to calculate the supplementary lighting value based on the default target illuminance data and the natural light illuminance component, and control the light source according to the supplementary lighting value.

[0082] Step S84: Execute the dual threshold start procedure to start the light source when the total ambient illuminance is less than or equal to the preset lower illuminance limit and the infrared radiation intensity is less than or equal to the ratio of the preset lower illuminance limit to the preset natural light coefficient.

[0083] Of course, this embodiment is only for illustrative purposes and is not intended to limit the scope of this application. Equivalent modifications or changes made based on the anti-interference illuminance compensation method of this embodiment should still be included within the patent scope of this application.

[0084] Although the steps of the methods described in this application are shown and described in a specific order, the order of operation of each method may be changed, some steps may be performed in reverse order, or some steps may be performed simultaneously with other steps. In another embodiment, different steps may be implemented in an intermittent and / or alternating manner.

[0085] It should be noted that at least some steps of the method described in this application can be executed as software instructions stored on a computer-usable storage medium or a computer-readable storage medium for execution by a computer (or processor).

[0086] Computer-usable or computer-readable storage media can be electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems (or devices, equipment, etc.). Examples of non-transitory computer-usable and computer-readable storage media include semiconductor or solid-state memory, magnetic tape, portable floppy disks, random access memory (RAM), read-only memory (ROM), hard disks, and optical discs. Examples of optical discs include optical discs with read-only memory (CD-ROM), rewritable optical discs (CD-R / W), and digital versatile optical discs (DVDs).

[0087] In summary, according to the embodiments of this application, the lighting system includes a sensor module, a controller, and at least one light source. The sensor module detects infrared radiation intensity and total ambient illuminance. The controller is connected to the sensor module and executes a spectral ratio calculation program to calculate the spectral ratio of infrared radiation intensity to total ambient illuminance. The light source is connected to the controller. When the spectral ratio is substantially greater than 0, the controller executes a natural light illumination decoupling program to calculate the natural light illuminance component based on the infrared radiation intensity and the natural light spectral conversion coefficient, and executes a supplementary lighting program to calculate a supplementary lighting value based on default target illuminance data and the natural light illuminance component, and controls the light source based on the supplementary lighting value. Through the above-described infrared anchoring open-loop compensation mechanism integrating spectral ratio calculation, natural light illumination decoupling program, and supplementary lighting program, the lighting system can effectively compensate for illuminance fluctuations caused by changes in natural light and avoid interference from artificial light. Therefore, the lighting system can effectively prevent the light source from flickering (breathing effect).

[0088] Furthermore, according to embodiments of this application, the controller of the lighting system can execute a natural light illumination decoupling procedure to calculate the product of infrared radiation intensity and the natural light spectral conversion coefficient, and use this product as the natural light illuminance component. Through the natural light illumination decoupling procedure based on the natural light spectral conversion coefficient, the controller can separate and accurately calculate the illuminance component formed by natural light in the total ambient illuminance, thereby obtaining the actual natural light illuminance component. Based on the calculation results of the natural light illuminance component, the lighting system can more accurately perform dimming control, enabling the output of artificial light sources to effectively match changes in natural light, thereby improving the overall dimming accuracy and control reliability to meet practical application requirements.

[0089] Furthermore, according to embodiments of this application, the controller of the lighting system can execute a dual-threshold activation procedure to activate the light source when the total ambient illuminance is less than or equal to a preset lower illuminance limit and the infrared radiation intensity is less than or equal to the ratio of the preset lower illuminance limit to a preset natural light coefficient. Through this dual-threshold activation procedure with a default natural light coefficient, the lighting system, based on at least two activation thresholds, ensures that the light source is only activated when the ambient natural light illuminance drops below a predetermined activation threshold, thereby avoiding accidental activation of the light source when natural light is still sufficient. On the other hand, this dual-threshold design can also effectively eliminate sensing interference caused by artificial light feedback, reducing activation judgment errors. Thus, the activation control mechanism of the lighting system can balance accuracy and stability, improving its adaptability and practicality in different application scenarios.

[0090] Furthermore, according to embodiments of this application, the controller of the lighting system can execute a dual-threshold shutdown procedure to turn off the light source when the total ambient illuminance is greater than or equal to twice the preset lower illuminance limit and the infrared radiation intensity is greater than or equal to twice the ratio of the preset lower illuminance limit to the preset natural light coefficient. Through this dual-threshold shutdown procedure with a default natural light coefficient, the lighting system can determine the shutdown action only when the ambient natural light illuminance increases and stabilizes above the predetermined shutdown threshold, based on at least two shutdown judgment thresholds, thereby avoiding accidental shutdown of the light source during brief fluctuations in natural light. In addition, this dual-threshold shutdown procedure can effectively suppress sensing interference caused by artificial light feedback, reducing shutdown judgment errors. Thus, the shutdown control mechanism of the lighting system achieves both accuracy and stability, further improving its applicability and reliability in different application scenarios.

[0091] Furthermore, according to embodiments of this application, the lighting system features an infrared anchored open-loop compensation mechanism, which can respond in real time to illuminance fluctuations caused by changes in natural light in the environment, dynamically adjusting the output of artificial light sources to maintain the stability of ambient illuminance. Simultaneously, the infrared anchored open-loop compensation mechanism can effectively suppress sensing interference caused by artificial light feedback, reducing the occurrence of compensation misjudgments. Therefore, the lighting system can provide more reliable and consistent illuminance control, possessing high control stability and system compatibility, making it particularly suitable for various intelligent control systems and helping to meet the future development needs of smart lighting and smart environments.

[0092] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection for this invention. Therefore, any changes and modifications made to the embodiments described herein based on the innovative concept of this invention, or equivalent structural or procedural transformations made using the description and drawings of this invention, directly or indirectly applying the above technical solutions to other related technical fields, are all included within the scope of protection of this invention.

Claims

1. A lighting system with anti-interference illuminance compensation function, characterized in that, include: The sensor module is used to detect the intensity of infrared light radiation and the total ambient illuminance; A controller, connected to the sensor module, is used to execute a spectral ratio calculation program to calculate the spectral ratio of the infrared radiation intensity to the total ambient illuminance. as well as At least one light source is connected to the controller; The controller is configured to execute a natural light illumination decoupling procedure to calculate the natural light illuminance component based on the infrared radiation intensity and the natural light spectral conversion coefficient when the spectral ratio is substantially greater than 0, and to execute a supplementary light procedure to calculate a supplementary light value based on the default target illuminance data and the natural light illuminance component, and to control the light source based on the supplementary light value.

2. The lighting system with anti-interference illuminance compensation function as described in claim 1, characterized in that, The controller is used to execute the natural light illumination decoupling procedure to calculate the product of the infrared radiation intensity and the natural light spectral conversion coefficient, and to use the product as the natural light illuminance component.

3. The lighting system with anti-interference illuminance compensation function as described in claim 1, characterized in that, The controller is used to execute the supplementary lighting program to calculate the difference between the default target illuminance data and the natural light illuminance component, and to use the difference as the supplementary lighting value.

4. The lighting system with anti-interference illuminance compensation function as described in claim 1, characterized in that, The controller is used to execute a dual threshold start-up procedure to start the light source when the total ambient illuminance is less than or equal to a preset lower illuminance limit and the infrared radiation intensity is less than or equal to the ratio of the preset lower illuminance limit to a preset natural light coefficient.

5. The lighting system with anti-interference illuminance compensation function as described in claim 1, characterized in that, The sensor module is a multi-channel photoelectric sensor.

6. The lighting system with anti-interference illuminance compensation function as described in claim 1, characterized in that, The sensor module includes a visible light sensor and an infrared light sensor.

7. A method for anti-interference illuminance compensation, characterized in that, include: The spectral ratio calculation program is executed based on the infrared light radiation intensity and the total ambient illuminance detected by the sensor module to calculate the spectral ratio of the infrared light radiation intensity to the total ambient illuminance. When the spectral ratio is substantially greater than 0, a natural light illumination decoupling procedure is executed to calculate the natural light illuminance component based on the infrared radiation intensity and the natural light spectral conversion coefficient. as well as The supplementary lighting procedure is executed to calculate the supplementary lighting value based on the default target illuminance data and the natural light illuminance component, and the light source is controlled according to the supplementary lighting value.

8. The anti-interference illuminance compensation method as described in claim 7, characterized in that, The step of performing the natural light illumination decoupling procedure to calculate the natural light illuminance component based on the infrared radiation intensity and the natural light spectral conversion coefficient when the spectral ratio is substantially greater than 0 includes: Calculate the product of the infrared radiation intensity and the natural light spectral conversion coefficient, and use the product as the natural light illuminance component.

9. The anti-interference illuminance compensation method as described in claim 7, characterized in that, The steps of executing a supplementary lighting procedure to calculate the supplementary lighting value based on the default target illuminance data and the natural light illuminance component, and controlling the light source based on the supplementary lighting value, include: Calculate the difference between the default target illuminance data and the natural light illuminance component, and use the difference as the supplementary light value.

10. The anti-interference illuminance compensation method as described in claim 7, characterized in that, Also includes: A dual threshold start-up procedure is executed to activate the light source when the total ambient illuminance is less than or equal to a preset lower illuminance limit and the infrared radiation intensity is less than or equal to the ratio of the preset lower illuminance limit to a preset natural light coefficient.

Images