CN111757569A - Intelligent illumination control method for simulating sunlight spectrum mode - Google Patents
Intelligent illumination control method for simulating sunlight spectrum mode Download PDFInfo
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- H05B45/10—Controlling the intensity of the light
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Abstract
An intelligent illumination control method simulating a sunlight spectrum mode is used for a long-term workplace of laterally-lighting personnel, and comprises the following steps: dimmable and dimmable lighting system: adopting a white light LED illuminating product with adjustable light and color; partitioning method coordinated with daylight: dividing regions according to the distance between the side window and the side window; the control method for coordinating with the sunlight comprises the following steps: the working time of a workplace can be continued to night, and in order to avoid the adverse effect of high color temperature on the physiological rhythm of people, the color temperature of artificial illumination at night is not suitable to exceed 4000K; the near window area A preferably adopts natural light, and the color temperature of the natural light is higher; the middle area B needs to give consideration to both natural lighting and artificial lighting, and the set value of the natural lighting and the artificial lighting is 500 lx; the inner zone C is dominated by artificial lighting. The control matched with the daylight mode is realized for different lighting subareas, so that the energy-saving purpose is realized on the premise of ensuring the requirements of users and on the premise of comfort and health.
Description
Technical Field
The invention relates to an illumination control method, in particular to an intelligent illumination control method for simulating a sunlight spectrum mode.
Background
The light environment of people staying for a long time or a workplace is usually the result of combined action of natural light and artificial lighting, the daylight is mainly collected in the period with sufficient sunlight in the day, the energy-saving and light environment is positively influenced, and the insufficient daylight period is supplemented by the artificial lighting, which is a basic strategy for combining the daylight with the artificial lighting. However, sunlight is unstable, and along with the change of time and space, the sunlight resource difference of different areas is large, and the difference and the change are not only reflected on illumination or brightness, but also present on the spectrum, and the sky spectrum has large difference in different weather conditions, seasons and time. Even in the same area, in the same building, the sunlight spectra received in different orientations vary greatly.
With the development of technology, the application of LEDs in architectural lighting has become quite common. The LED lamp is easy to control and is a great characteristic of LED lighting products, compared with the traditional lighting products, the LED lamp can realize linear dimming control more easily, and control light output more accurately, so that the LED lamp is not only beneficial to energy conservation, but also provides better possibility for adjusting the light environment. On the other hand, the white light LED lighting product can realize different spectrums and color temperature output by using different chip and fluorescent powder proportioning schemes, and can adjust the color temperature from the low color temperature of 2700K to the high color temperature of 6500K, even in a wider range. This is an advantage not available with conventional lighting products.
With the development of technology, white light LED lighting products with dimming and color mixing have been used in many projects. Based on the technical characteristics, Europe provides an idea of human illumination (HCL), LED illumination products with adjustable light and color can better adapt to requirements of different light environments, illumination enterprises such as Philips and the like also provide a design idea of dynamic illumination, and illumination intensity and color temperature of illumination change along with time change in places such as offices and the like are realized. With the discovery of non-visual effects, and the disclosure of the relationship of light to human circadian rhythms, lighting design concepts aimed at more conforming to human circadian rhythms have been proposed and applied in some projects. However, the conventional rhythmic illumination focuses on simulating the change of the illumination and the spectrum of sunlight through artificial illumination, is a curing adjustment mode, is not well linked and combined with the sunlight, does not adjust correspondingly according to the visual work requirements of personnel and the difference of indoor lighting conditions of different buildings, and does not organically combine the artificial illumination and the lighting. Meanwhile, the prior art does not well consider different requirements of non-visual effect and visual operation, and cannot fully exert the respective characteristics and advantages of daylighting and artificial lighting.
Aiming at the problems that the sunlight spectrum difference of different regions of the sky and the linkage control with lighting are not considered in the current rhythm lighting, the invention provides an intelligent lighting control method for simulating an actual sunlight spectrum mode.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an intelligent illumination control method for simulating a sunlight spectrum mode, which realizes control matched with the sunlight mode for different illumination zones, and realizes the purpose of energy conservation on the premise of ensuring the requirements of users.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
an intelligent lighting control method simulating a daylight spectral pattern for use in long-term workplaces of laterally daylighting personnel, such as offices and classrooms, comprising the steps of:
(1) dimmable and dimmable lighting system: the white light LED lighting product with adjustable light and color can be adjusted within the range of 2700K-6000K, the illumination (4000K or 5000K) is not less than 750lx at 100% output, and the minimum light output can reach 10% or below;
(2) partitioning method coordinated with daylight: dividing the regions according to the distance between the regions and the side window, wherein the region with the depth not more than 1.5 times of the window height is a near window region A, the region with the depth between 1.5 times and 2.5 times of the window height is a middle region B, the region with the depth more than 2.5 times of the window height is an inner region C, each region is provided with an independent light-sensitive probe, and the desktop illumination value of the region can be detected;
(3) the control method for coordinating with the sunlight comprises the following steps:
the working time of a workplace can be continued to night, in order to avoid the adverse effect of high color temperature on the circadian rhythm of people, the color temperature of artificial illumination at night is not more than 4000K, the lighting time T1 is half an hour before sunset, if the artificial illumination is required to be started, the color temperature is unified to 4000K, and meanwhile, the light output meets the standard value requirement of the illumination of the workplace, for example, an office is 300lx or 500lx, and the lighting time T1 can be calculated by the following formula: t1: t1 ═ T0-0.5+ (120-L)/15, L is the local latitude, T0 is the sunset time, and the intermediate latitude can be determined by interpolation;
(4) the near-window area A preferably adopts natural light, the color temperature of the natural light is high, so that the color temperature of the area is not controlled in the daytime, the area can be set to be a fixed value, such as 4000K or 5000K, the linkage control of sunlight and illumination is carried out according to the energy-saving principle, and the illumination starting state at the next moment is determined based on the desktop illumination level and the illumination starting state at the current moment; in cloudy days, the set value of natural lighting and artificial lighting illumination is 500lx, the natural lighting and artificial lighting illumination is kept constant, and when the lighting illumination is reduced, the artificial lighting is supplemented; in sunny days, when the illumination of the desktop exceeds 1000lx (natural light and artificial illumination), the artificial illumination is closed, and when the artificial illumination is not available, if the natural illumination exceeds 2000lx, the sun-shading roller shutter is started to avoid glare;
(5) the middle area B needs to give consideration to both natural lighting and artificial lighting, the set value of the natural lighting and the artificial lighting is 500lx, the natural lighting and the artificial lighting are kept constant, and when the lighting illumination is reduced, the artificial lighting is supplemented; the color temperature of the artificial lighting is set to be 4000K-5500K in the working time period of the day, 4000K in cloudy days and 5000K-5500K in sunny days;
(6) the inner area C mainly adopts artificial illumination and simulates the color temperature change of natural light in one day; the set value of the artificial illumination level in the working period is 300 lx-500 lx, automatic adjustment is carried out according to the desktop illumination level, in the middle-noon rest period, the artificial illumination level is adjusted to 30% of the working period, the working period has 3 types, and the adaptation, high-efficiency working and adjustment stages are adopted, wherein the illumination level in the adaptation stage and the adjustment stage is controlled to be 80% of that in the high-efficiency working stage, the specific period can be adjusted according to the working condition, and the high-efficiency working duration in each stage is preferably controlled to be within 1.5 h.
Further, the working period in the morning is divided into four stages, namely an adaptation stage, high-efficiency working, adjustment and high-efficiency working, wherein the time length of the adaptation stage and the adjustment stage is about 0.5h, the color temperature of the adaptation stage is 3500K-4000K, and the color temperature of the adjustment stage is 4000K-4500K; the time length of the two efficient working stages can be adjusted to be 1-1.5 h, and the color temperature is 5000-5500K, such as 9:00 on duty, the illumination color temperature of 9:00-9:30 is 3500K-4000K, the illumination color temperature of 9:30-10:30 is 5000K-5500K, the illumination color temperature of 10:30-11:00 is 4000K-4500K, and the illumination color temperature of 11:00-12:00 is 5000K-5500K.
Further, the afternoon working period is divided into three stages, namely a high-efficiency working-adjusting-adapting stage, wherein the time of the high-efficiency working stage is 1-1.5 h, and the color temperature is 5000-5500K; the time length of the adjusting stage is about 1h-1.5h, and the color temperature is 4000K-4500K; the adaptation stage is 0.5h-1h, the color temperature is 3500K-4000K, the illumination color temperature of 13:30-15:00 is 5000K-5500K, the illumination color temperature of 15:00-16:30 is 4000K-4500K, and the illumination color temperature of 16:30-17:00 is 3500K-4000K in the afternoon 13:30 work.
Further, the priority level of the manual control is higher than that of the automatic control, when the manual control is switched, the automatic control does not respond, if a temporary meeting or a special requirement exists, a user can manually close the curtain, and when the illumination intensity and the color temperature are adjusted to be low, the automatic control strategy does not respond, if the user prefers to the high color temperature, the high color temperature can be manually adjusted, such as 5500K, but should not exceed 6000K, the illumination color temperature in winter and summer can be distinguished, the color temperature in winter can be 500K lower than that in summer, namely, the color temperature in the efficient working period in summer is 5500K, and the corresponding period in winter is 5000K.
The invention has the beneficial effects that:
based on the characteristics of building lighting, different areas of a workplace are subjected to zone control according to the lighting level, and each area has different control strategies, which is greatly different from the unified control of the existing rhythmic illumination control scheme. Natural light is preferentially utilized in the near-window area, artificial lighting is used as an auxiliary, the main points are shading and glare control, the lighting control strategy is focused on energy conservation, and the lighting lamps in the area adopt constant color temperature lamps, so that the cost can be saved; the color temperature difference in different seasons is considered in the middle area, and the color temperature difference is consistent with the actual sunlight spectrum change rule; the inner area is based on the sunlight spectrum change mode, comprehensively considers the working mode and the personnel habit characteristics, better accords with the human body circadian rhythm, and simultaneously improves the visual effect. The color temperature which is too high at night can inhibit melatonin secretion and influence sleep, a unified low color temperature control strategy is adopted for the night time of a workplace, and meanwhile, the difference of sunset time brought by longitude and latitude of different regions in China is considered, so that the automatic control of the low color temperature at the night working time can be realized, and the health of personnel is facilitated. The invention needs to be provided with basic light and color adjustable LED lighting lamps and luminance sensors and can realize zone control. By utilizing the control strategy, the control matched with the daylight mode is realized for different lighting partitions, so that the aim of saving energy is fulfilled on the premise of ensuring the requirements of users and comfort and health.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a diagram of the sunset times of the present invention in different latitudes and different seasons;
FIG. 3 is an exemplary graph of illumination output and color temperature change on a typical weekday in accordance with the present invention.
Detailed Description
In order to make the content of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1 to 3, an intelligent lighting control method simulating a daylight spectral pattern for a long-term workplace of a person with side lighting, such as an office and a classroom, includes the following steps:
(1) dimmable and dimmable lighting system: the white light LED lighting product with adjustable light and color can be adjusted within the range of 2700K-6000K, the illumination (4000K or 5000K) is not less than 750lx at 100% output, and the minimum light output can reach 10% or below;
(2) partitioning method coordinated with daylight: dividing the regions according to the distance between the regions and the side window, wherein the region with the depth not more than 1.5 times of the window height is a near window region A, the region with the depth between 1.5 times and 2.5 times of the window height is a middle region B, the region with the depth more than 2.5 times of the window height is an inner region C, each region is provided with an independent light-sensitive probe, and the desktop illumination value of the region can be detected;
(3) the control method for coordinating with the sunlight comprises the following steps:
the working time of a workplace can be continued to night, in order to avoid the adverse effect of high color temperature on the circadian rhythm of people, the color temperature of artificial illumination at night is not more than 4000K, the lighting time T1 is half an hour before sunset, if the artificial illumination is required to be started, the color temperature is unified to 4000K, and meanwhile, the light output meets the standard value requirement of the illumination of the workplace, for example, an office is 300lx or 500lx, and the lighting time T1 can be calculated by the following formula: t1: t1 ═ T0-0.5+ (120-L)/15, L is the local latitude, T0 is the sunset time, and the intermediate latitude can be determined by interpolation;
(4) the near-window area A preferably adopts natural light, the color temperature of the natural light is high, so that the color temperature of the area is not controlled in the daytime, the area can be set to be a fixed value, such as 4000K or 5000K, the linkage control of sunlight and illumination is carried out according to the energy-saving principle, and the illumination starting state at the next moment is determined based on the desktop illumination level and the illumination starting state at the current moment; in cloudy days, the set value of natural lighting and artificial lighting illumination is 500lx, the natural lighting and artificial lighting illumination is kept constant, and when the lighting illumination is reduced, the artificial lighting is supplemented; in sunny days, when the illumination of the desktop exceeds 1000lx (natural light and artificial illumination), the artificial illumination is closed, and when the artificial illumination is not available, if the natural illumination exceeds 2000lx, the sun-shading roller shutter is started to avoid glare;
(5) the middle area B needs to give consideration to both natural lighting and artificial lighting, the set value of the natural lighting and the artificial lighting is 500lx, the natural lighting and the artificial lighting are kept constant, and when the lighting illumination is reduced, the artificial lighting is supplemented; the color temperature of the artificial lighting is set to be 4000K-5500K in the working time period of the day, 4000K in cloudy days and 5000K-5500K in sunny days;
(6) the inner area C mainly adopts artificial illumination and simulates the color temperature change of natural light in one day; the set value of the artificial illumination level in the working period is 300 lx-500 lx, automatic adjustment is carried out according to the desktop illumination level, in the middle-noon rest period, the artificial illumination level is adjusted to 30% of the working period, the working period has 3 types, and the adaptation, high-efficiency working and adjustment stages are adopted, wherein the illumination level in the adaptation stage and the adjustment stage is controlled to be 80% of that in the high-efficiency working stage, the specific period can be adjusted according to the working condition, and the high-efficiency working duration in each stage is preferably controlled to be within 1.5 h.
The working period in the morning is divided into four stages, namely an adaptation stage, high-efficiency working, adjustment and high-efficiency working, the time length of the adaptation stage and the adjustment stage is about 0.5h, the color temperature of the adaptation stage is 3500K-4000K, and the color temperature of the adjustment stage is 4000K-4500K; the time length of the two efficient working stages can be adjusted to be 1-1.5 h, and the color temperature is 5000-5500K, such as 9:00 on duty, the illumination color temperature of 9:00-9:30 is 3500K-4000K, the illumination color temperature of 9:30-10:30 is 5000K-5500K, the illumination color temperature of 10:30-11:00 is 4000K-4500K, and the illumination color temperature of 11:00-12:00 is 5000K-5500K. The afternoon working period is divided into three stages, namely a high-efficiency working-adjusting-adapting stage, wherein the time of the high-efficiency working stage is 1-1.5 h, and the color temperature is 5000-5500K; the time length of the adjusting stage is about 1h-1.5h, and the color temperature is 4000K-4500K; the adaptation stage is 0.5h-1h, the color temperature is 3500K-4000K, the illumination color temperature of 13:30-15:00 is 5000K-5500K, the illumination color temperature of 15:00-16:30 is 4000K-4500K, and the illumination color temperature of 16:30-17:00 is 3500K-4000K in the afternoon 13:30 work. The priority level of the manual control is higher than that of the automatic control, when the manual control is switched, the automatic control does not respond, if a temporary meeting or a special requirement exists, a user can manually close the curtain and adjust the illumination and the color temperature, the automatic control strategy does not respond, if the user prefers to the high color temperature, the high color temperature can be manually adjusted, such as 5500K, but the temperature should not exceed 6000K, the illumination color temperature in winter and summer can be distinguished, the temperature in winter can be 500K lower than that in summer, namely, the color temperature in the efficient working period in summer is 5500K, and the corresponding period in winter is 5000K. A. B, C areas are not all simultaneous, and a room may have only a, may have both a and B, or may have ABC areas, depending on the depth of the room.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. An intelligent lighting control method for simulating a daylight spectral pattern, which is used for long-term workplaces of laterally daylighting personnel, such as offices and classrooms, comprises the following steps:
(1) dimmable and dimmable lighting system: the white light LED lighting product with adjustable light and color can be adjusted within the range of 2700K-6000K, the illumination (4000K or 5000K) is not less than 750lx at 100% output, and the minimum light output can reach 10% or below;
(2) partitioning method coordinated with daylight: dividing the regions according to the distance between the regions and the side window, wherein the region with the depth not more than 1.5 times of the window height is a near window region A, the region with the depth between 1.5 times and 2.5 times of the window height is a middle region B, the region with the depth more than 2.5 times of the window height is an inner region C, each region is provided with an independent light-sensitive probe, and the desktop illumination value of the region can be detected;
(3) the control method for coordinating with the sunlight comprises the following steps:
the working time of a workplace can be continued to night, in order to avoid the adverse effect of high color temperature on the circadian rhythm of people, the color temperature of artificial illumination at night is not more than 4000K, the lighting time T1 is half an hour before sunset, if the artificial illumination is required to be started, the color temperature is unified to 4000K, and meanwhile, the light output meets the standard value requirement of the illumination of the workplace, for example, an office is 300lx or 500lx, and the lighting time T1 can be calculated by the following formula: t1: t1 ═ T0-0.5+ (120-L)/15, L is the local latitude, T0 is the sunset time, and the intermediate latitude can be determined by interpolation;
(4) the near-window area A preferably adopts natural light, the color temperature of the natural light is high, so that the color temperature of the area is not controlled in the daytime, the area can be set to be a fixed value, such as 4000K or 5000K, the linkage control of sunlight and illumination is carried out according to the energy-saving principle, and the illumination starting state at the next moment is determined based on the desktop illumination level and the illumination starting state at the current moment; in cloudy days, the set value of natural lighting and artificial lighting illumination is 500lx, the natural lighting and artificial lighting illumination is kept constant, and when the lighting illumination is reduced, the artificial lighting is supplemented; in sunny days, when the illumination of the desktop exceeds 1000lx (natural light and artificial illumination), the artificial illumination is closed, and when the artificial illumination is not available, if the natural illumination exceeds 2000lx, the sun-shading roller shutter is started to avoid glare;
(5) the middle area B needs to give consideration to both natural lighting and artificial lighting, the set value of the natural lighting and the artificial lighting is 500lx, the natural lighting and the artificial lighting are kept constant, and when the lighting illumination is reduced, the artificial lighting is supplemented; the color temperature of the artificial lighting is set to be 4000K-5500K in the working time period of the day, 4000K in cloudy days and 5000K-5500K in sunny days;
(6) the inner area C mainly adopts artificial illumination and simulates the color temperature change of natural light in one day; the set value of the artificial illumination level in the working period is 300 lx-500 lx, automatic adjustment is carried out according to the desktop illumination level, in the middle-noon rest period, the artificial illumination level is adjusted to 30% of the working period, the working period has 3 types, and the adaptation, high-efficiency working and adjustment stages are adopted, wherein the illumination level in the adaptation stage and the adjustment stage is controlled to be 80% of that in the high-efficiency working stage, the specific period can be adjusted according to the working condition, and the high-efficiency working duration in each stage is preferably controlled to be within 1.5 h.
2. The intelligent lighting control method for simulating the daylight spectrum pattern as claimed in claim 1, wherein: the working period in the morning is divided into four stages, namely an adaptation stage, high-efficiency working, adjustment and high-efficiency working, the time length of the adaptation stage and the adjustment stage is about 0.5h, the color temperature of the adaptation stage is 3500K-4000K, and the color temperature of the adjustment stage is 4000K-4500K; the time length of the two efficient working stages can be adjusted to be 1-1.5 h, and the color temperature is 5000-5500K, such as 9:00 on duty, the illumination color temperature of 9:00-9:30 is 3500K-4000K, the illumination color temperature of 9:30-10:30 is 5000K-5500K, the illumination color temperature of 10:30-11:00 is 4000K-4500K, and the illumination color temperature of 11:00-12:00 is 5000K-5500K.
3. The intelligent lighting control method for simulating the daylight spectrum pattern as claimed in claim 1, wherein: the afternoon working period is divided into three stages, namely a high-efficiency working-adjusting-adapting stage, wherein the time of the high-efficiency working stage is 1-1.5 h, and the color temperature is 5000-5500K; the time length of the adjusting stage is about 1h-1.5h, and the color temperature is 4000K-4500K; the adaptation stage is 0.5h-1h, the color temperature is 3500K-4000K, the illumination color temperature of 13:30-15:00 is 5000K-5500K, the illumination color temperature of 15:00-16:30 is 4000K-4500K, and the illumination color temperature of 16:30-17:00 is 3500K-4000K in the afternoon 13:30 work.
4. The intelligent lighting control method for simulating the daylight spectrum pattern as claimed in claim 1, wherein: the priority level of the manual control is higher than that of the automatic control, when the manual control is switched, the automatic control does not respond, if a temporary meeting or a special requirement exists, a user can manually close the curtain and adjust the illumination and the color temperature, the automatic control strategy does not respond, if the user prefers to the high color temperature, the high color temperature can be manually adjusted, such as 5500K, but the temperature should not exceed 6000K, the illumination color temperature in winter and summer can be distinguished, the temperature in winter can be 500K lower than that in summer, namely, the color temperature in the efficient working period in summer is 5500K, and the corresponding period in winter is 5000K.
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| CN112637990A (en) * | 2020-12-17 | 2021-04-09 | 重庆大学 | Indoor dynamic illumination adjusting method and system suitable for human body biological rhythm |
| CN112911753A (en) * | 2021-02-22 | 2021-06-04 | 江苏新广联光电股份有限公司 | Indoor lighting system and method applied to light color control |
| CN113608459A (en) * | 2021-07-09 | 2021-11-05 | 佛山电器照明股份有限公司 | Intelligent light environment regulation and control method, intelligent light environment regulation and control system and equipment |
| CN114449706A (en) * | 2022-02-10 | 2022-05-06 | 佛山电器照明股份有限公司 | Control method of up-down light emitting lamp and up-down light emitting lamp |
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