阅读说明：本技术 一种模拟太阳光及天空背景光照明的光源系统 (Light source system for simulating sunlight and sky background illumination ) 是由 孙亦武 任建伟 丁金延 陈卫波 于 2020-05-06 设计创作，主要内容包括：本发明公开了一种模拟太阳光及天空背景光照明的光源系统,涉及照明领域。所述系统主要包括光源,产生模拟太阳光和蓝色天空光的反光板。所述反光板包括包括依次堆叠设置的分光层、蓝色滤光层和漫反射层。光源发出的光照射到反光板上,一部分光被分光层反射形成模拟太阳光的光束,一部分光透过分光层进入蓝色滤光层,透过蓝色滤光层的蓝光被漫反射层反射再透过蓝色滤光层和分光层形成蓝色漫射光可模拟蓝天背景。本发明可以在室内环境中模拟出渐变蓝色的天空背景及可变色温的太阳光,还可以通过移动光源的位置模拟太阳光不同时间、不同地点的高度角和照度,达到模拟真实自然光照明的效果。(The invention discloses a light source system for simulating sunlight and sky background illumination, and relates to the field of illumination. The system mainly comprises a light source, a reflector plate for generating simulated sunlight and blue sky light. The reflector comprises a light splitting layer, a blue filter layer and a diffuse reflection layer which are sequentially stacked. The light emitted by the light source irradiates the reflector, one part of light is reflected by the light splitting layer to form a light beam simulating sunlight, one part of light penetrates through the light splitting layer to enter the blue filter layer, and the blue light penetrating through the blue filter layer is reflected by the diffuse reflection layer and then penetrates through the blue filter layer and the light splitting layer to form blue diffused light capable of simulating a blue sky background. The invention can simulate the sunlight with gradually changed blue sky background and variable color temperature in the indoor environment, and can also simulate the altitude angle and the illumination of the sunlight at different time and different places by moving the position of the light source, thereby achieving the effect of simulating real natural light illumination.)

1. A light source system for simulating sunlight and sky background illumination is characterized in that: the system comprises a reflector (2), a light homogenizing plate (6), a fixing plate (1) and a light source (3);

the light reflecting plate (2) and the light homogenizing plate (6) are both connected with the fixing plate (1), the light homogenizing plate (6) is positioned above the fixing plate (1), the light reflecting plate (2) is positioned above the light homogenizing plate (6), and a light homogenizing chamber is formed between the light reflecting plate (2) and the light homogenizing plate (6);

the reflector (2) comprises a light splitting layer (A), a blue filter layer (B) and a diffuse reflection layer (C) which are sequentially stacked; the light splitting layer (A) is used for partially reflecting and partially transmitting light incident on the light splitting layer;

a light transmission window (4) is formed in the light homogenizing plate (6), and the light transmission window (4) penetrates through the light homogenizing plate (6) and the fixing plate (1);

the light source (3) is arranged on the light homogenizing plate (6).

2. The light source system for simulating sunlight and background lighting of sky as claimed in claim 1, wherein a receiving cavity (9) is formed between the light homogenizing plate (6) and the fixing plate (1), the system further comprises a plurality of white lights L ED (7), a plurality of white lights L ED (7) are disposed in the receiving cavity (9), and a plurality of white lights L ED (7) are arranged in an equidifferent and increasing interval manner from the edge to the center of the fixing plate (1).

3. A light source system for simulating sunlight and sky background illumination according to claim 1 or 2, wherein: the number of the light sources (3) is multiple, and the multiple light sources (3) can be independently controlled.

4. A light source system for simulating sunlight and sky background illumination according to claim 1 or 2, wherein: the system further comprises a sliding rail (8), the sliding rail (8) is installed on the light homogenizing plate (6), and the light source (3) is movably arranged on the sliding rail (8).

5. A light source system simulating sunlight and sky background illumination as claimed in any one of claims 1 to 4, characterized in that said light source (3) is incandescent lamp, halogen tungsten lamp or L ED.

6. A luminaire system simulating sunlight and sky background illumination according to any one of claims 1 to 4, characterized in that said luminaire (3) comprises a plurality of L ED lamp beads or L ED lamp groups with different narrow band spectra.

7. A light source system for simulating sunlight and sky background illumination according to any one of claims 1 to 6, wherein: the reflector (2) is a spherical surface, a cylindrical surface, a plane or a paraboloid.

8. The light source system for simulating sunlight and sky backlighting of claim 7, wherein: the light splitting layer (A) is a semi-transparent semi-reflecting layer.

9. The light source system for simulating sunlight and illumination of a sky in accordance with claim 8, wherein the color temperature of sunlight is simulated by changing the emission spectrum of L ED lamp beads or L ED lamp groups and changing the color temperature of the output light of L ED lamp beads or L ED lamp groups.

10. The light source system for simulating sunlight and sky backlighting of claim 9, wherein: the brightness of the light source (3) is controlled by changing the voltage of the light source (3), and the brightness of sunlight at different time and different places is simulated.

Technical Field

The invention relates to the technical field of illumination, in particular to a light source system for simulating sunlight and sky background illumination.

Background

The existing closed environment lighting system is widely applied to the fields of medicine and buildings, the blue light with low intensity is irradiated to treat jaundice of infants in medicine, teeth and skin can be whitened, the blue light controls the biological clock of people to a certain extent, the blue light can stimulate and promote the body of people to secrete cortisol to generate exciting feeling, the indoor soft effect can be increased, and the closed environment lighting system has certain beneficial effects in the aspects of relieving insomnia, reducing blood pressure and preventing cold of people. Some medical devices use infrared radiation to irradiate the body's local area, which raises the temperature, improves blood circulation, eliminates swelling and dissipates inflammation.

There are three main requirements for lighting in the architectural field: 1. functional requirements, i.e. to meet the most basic lighting requirements; 2. decorative requirements, requirements for aesthetics; 3. physical and mental health requirements.

With the improvement of the quality of life, the requirements of people on the living environment are also improved. Convincing evidence suggests that solar radiation reduces the work pressure and negative impact of people, enhances mood and work efficiency, and improves the physical and mental health of people living indoors in the long term. However, the existing partial living environment is limited by external factors, so that the resident hardly feels sunlight or blue sky, which makes the lighting system capable of simulating sunlight and blue sky widely favored.

The main difficulties of simulating a real sky environment at present are: firstly, the sky is clear, the blue color at the top of the sky is the darkest, and the blue color near the horizon is lighter; secondly, the color temperature and the illumination of sunlight are different at different time and different places; and thirdly, the solar altitude angles at different times and different places are different. The existing light source can not solve the problems and achieves the effect of simulating real natural light illumination.

Disclosure of Invention

Aiming at the current social demand, the invention provides a light source system for simulating sunlight and sky background illumination. The light source system is applied to illumination in a closed environment similar to that in a house room, and can irradiate sky blue background light and sunlight indoors through the window.

Specifically, the system comprises a reflecting plate, a light homogenizing plate, a fixing plate and a light source;

the light reflecting plate and the light homogenizing plate are both connected with the fixed plate, the light homogenizing plate is positioned above the fixed plate, the light reflecting plate is positioned above the light homogenizing plate, a light homogenizing chamber is formed between the light reflecting plate and the light homogenizing plate, and an accommodating cavity is formed between the light homogenizing plate and the fixed plate;

the reflector comprises a light splitting layer, a blue filter layer and a diffuse reflection layer which are sequentially stacked; the light splitting layer is used for partially reflecting and partially transmitting light incident to the light splitting layer;

a light transmission window is formed in the light homogenizing plate and penetrates through the light homogenizing plate and the fixing plate;

the light source is arranged on the light homogenizing plate.

Further, the system further comprises a plurality of white lights L ED, a plurality of white lights L ED are arranged in the accommodating cavity, and a plurality of white lights L ED are arranged in an equidistance increasing interval manner from the edge to the center of the fixing plate.

Preferably, the light source is an incandescent lamp, a halogen lamp or L ED, and more preferably, the light source comprises a plurality of L ED lamp beads or L ED lamp groups with different narrow-band spectrums.

In another practical scheme, the system further comprises a slide rail, the slide rail is mounted on the light homogenizing plate, the light source is movably arranged on the slide rail, preferably, the light source is an incandescent lamp, a halogen tungsten lamp or L ED, and more preferably, the light source comprises a plurality of L ED lamp beads or L ED lamp groups with different narrow-band spectrums.

Further, the reflector is a spherical surface, a cylindrical surface, a plane surface or a paraboloid.

Further, the reflectance of the light splitting layer is: the transmittance is 8-5: 2-5.

In an implementation scheme, the light splitting layer is a semi-transparent and semi-reflective layer.

The light source system for simulating sunlight and sky background light illumination provided by the invention can irradiate blue sky background light and sunlight with variable color temperature in an indoor environment, can realize simulation of gradually changed blue sky background light by combining gradual change arrangement of a plurality of L EDs, and can also simulate the altitude angles and the illumination intensities of the sunlight at different time and different places by moving the position of the light source so as to achieve the effect of simulating real natural light illumination.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a light source system according to an embodiment of the invention;

FIG. 2 is a schematic structural diagram of a reflector according to an embodiment of the present invention

FIG. 3 is a schematic view of an illumination system according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an arrangement of white light L ED according to an embodiment of the present invention;

FIG. 5 is a graph of the spatial distribution of the luminous intensity of a light source according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a simulation of the solar altitude with the light source in the first position;

FIG. 7 is a schematic diagram of a simulation of the solar altitude with the light source in the second position; .

The light source comprises a fixing plate 1, a reflector 2, a light source 3, a light transmission window 4, a sealed chamber 5, a light homogenizing plate 6, a white light L ED 7, a slide rail 8, a containing cavity 9, a light splitting layer A, a blue filter layer B and a diffuse reflection layer C.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In order to facilitate the detailed explanation of the present invention, in the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "dome", "edge", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and the optical terms "diffuse reflection light", "specular reflection light", "direct light", "transmission light", "scattered light", "sunlight", "sky background light", "color temperature", "gradation", "divergent angle", "illuminance", etc. describe the light or illumination. Also, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.