CN115696675A - Sleep-aiding lamp and control method thereof - Google Patents
Sleep-aiding lamp and control method thereof Download PDFInfo
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- H—ELECTRICITY
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- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
- H05B45/22—Controlling the colour of the light using optical feedback
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/16—Controlling the light source by timing means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The application relates to a sleep-aid lamp and a control method thereof, wherein the sleep-aid lamp comprises: the control device is used for controlling the light source module to emit first white light within a first preset time period, the color temperature of the first white light is greater than or equal to 5000K, the control device emits second white light within a second preset time period, and the color temperature of the second white light is greater than 1600K and less than 3000K. The method and the device have the advantages that the first white light with high color temperature is emitted in the first preset time period, so that the secretion of melatonin is inhibited in the morning time period, the human body is quickly awakened, and the mental state of the human body is improved; the second white light with low color temperature is emitted in the second preset time period, so that the secretion of the melatonin is promoted in the afternoon time period, the human body is induced to enter a sleepy state, the sleep aiding effect is achieved, the illumination is carried out in different time periods, the secretion rule of the melatonin in the human body is met, and the sleep disorder of the human body is improved.
Description
Technical Field
The application belongs to the technical field of lighting, and particularly relates to a sleep-assisting lamp and a control method of the sleep-assisting lamp.
Background
Melatonin is an important hormone for regulating the biological clock of a human body, and when natural illumination is received in the daytime, the bright illumination environment can inhibit the secretion of the melatonin in the human body, so that the human body is kept awake; before the night comes, the dim light environment can promote the secretion of melatonin in the body, and the function of sleep aiding is achieved. The secretion of the melatonin follows the change of the natural illumination rule, and the concentration of the melatonin gradually rises along with the reduction of the illumination intensity of the sun, so that the human body is promoted to sleep; after the sunlight illumination intensity is enhanced, the concentration of the melatonin is reduced to the lowest point, and the human body is awakened.
Along with the acceleration of modern life rhythm and the pressure brought by working life, more and more people have the problem of sleep disorder, and more people use electronic equipment at night, light rays emitted by the electronic equipment can inhibit the secretion of melatonin, so that the sleep quality is influenced; when waking up in the morning, if the body is still in a dim environment, the melatonin level in the body is relatively high, resulting in body fatigue and no precise collection when getting up. Therefore, a comfortable lighting environment is an important factor for improving sleep disorder of people.
Disclosure of Invention
In view of this, embodiments of the present application provide a sleep-assisting lamp and a control method of the sleep-assisting lamp to improve the problem of sleep disorder.
A first aspect of an embodiment of the present application provides a sleep-aid lamp, including: the light source module comprises a shell, a light source module and a control device, wherein the light source module is arranged in the shell, the control device is connected with the light source module, the control device is used for controlling the light source module to emit first white light in a first preset time interval, the color temperature of the first white light is larger than or equal to 5000K, the second white light is emitted in a second preset time interval, and the color temperature of the second white light is 1600K-3000K.
In one embodiment, the first white light has a wavelength of 400-700nm, an absolute spectral power of 475-492 nm is greater than 0.7, and an absolute spectral power of 435-475 nm is less than 0.8.
In one embodiment, the wavelength of the second white light is 400-700 nm, wherein the absolute spectral power of 475-492 nm is less than 0.8, and the absolute spectral power of 435-475 nm is less than 0.5.
In one embodiment, the absolute spectral power of the 640-700nm waveband in the first white light is greater than 0.7, and the absolute spectral power of the 640-700nm waveband in the second white light is greater than 0.8.
In one embodiment, the first predetermined period is 4 to 12 am, and the second predetermined period is 3 to 10 pm.
In one embodiment, the sleep-assisting lamp further comprises an ambient light detection device, the ambient light detection device is arranged in the shell and is connected with the control device, and the ambient light detection device is used for detecting the absolute spectral power of 475-492 nm wave band in the first preset time period and the second preset time period respectively; the control device is further used for controlling the light source module to emit the first white light when the absolute spectral power of 475-492 nm is detected to be less than 0.6 in the first preset time period, and controlling the light source module to emit the second white light when the absolute spectral power of 475-492 nm is detected to be greater than 0.8 in the second preset time period.
In one embodiment, the light source module includes a first LED light source and a second LED light source, and the control device is connected to the first LED light source and the second LED light source respectively, and is configured to control the first LED light source to emit the first white light in the first preset time period and control the second LED light source to emit the second white light in the second preset time period.
In one embodiment, the light source module includes a first LED light source and a second LED light source, and the control device is respectively connected to the first LED light source and the second LED light source, and is configured to control the first LED light source and the second LED light source to emit light, so that the light emitted by the first LED light source and the light emitted by the second LED light source can be mixed to form the first white light in the first preset time period, and can be mixed to form the second white light in the second preset time period.
In one embodiment, each of the first LED light source and the second LED light source includes a first light emitting unit, a second light emitting unit, and a third light emitting unit, the first light emitting unit includes a first blue light chip and a first fluorescent film disposed on a light emitting side of the first blue light chip, the second light emitting unit includes a second blue light chip and a second fluorescent film disposed on a light emitting side of the second blue light chip, the third light emitting unit includes a third blue light chip and a third fluorescent film disposed on a light emitting side of the third blue light chip, light emitting wavelengths of the first blue light chip, the second blue light chip, and the third blue light chip are all 440 to 475nm, and a wavelength of mixed light formed by light emitted by the first light emitting unit, the second light emitting unit, and the third light emitting unit is 400 to 700nm.
In one embodiment, the first phosphor film, the second phosphor film, and the third phosphor film each include a first film layer, a second film layer, and a third film layer sequentially stacked in a light emission direction, the first film layer includes first phosphor having a light emission wavelength of 480 to 500nm, the second film layer includes second phosphor having a light emission wavelength of greater than 500nm and less than 620nm, the third film layer includes third phosphor having a light emission wavelength of greater than or equal to 620nm, and a mass ratio of the first phosphor to the second phosphor to the third phosphor is (25 to 60): (25-55): (13-60).
In one embodiment, the first phosphor comprises a phosphor A with a light emitting wavelength of 488-492 nm, the second phosphor comprises a phosphor B1 and a phosphor B2 with light emitting wavelengths of 523-542 nm, and the third phosphor comprises a phosphor C1, a phosphor C2 and a phosphor C3 with light emitting wavelengths of 628-681 nm, a phosphor D with a light emitting wavelength of 718-722 nm, a phosphor E with a light emitting wavelength of 738-742 nm, and a phosphor F with a light emitting wavelength of 793-797 nm.
In one embodiment, in the first LED light source, the mass ratio of the phosphor a is (25-65), and the phosphor a accounts for 50-85% of the total mass of the first film layer; the mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is (35-85): (25-85), wherein the fluorescent powder B1 and the fluorescent powder B2 account for 40-77% of the total mass of the second film layer; the mass ratio of the fluorescent powder C1 to the fluorescent powder C2 to the fluorescent powder C3 to the fluorescent powder D to the fluorescent powder E to the fluorescent powder F is (3-20): (1-20): (3-35): (7-50): (7-35): (1-45), the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F account for 50-85% of the total mass of the third film layer.
In one embodiment, in the second LED light source, the mass ratio of the phosphor a is (7-40), and the phosphor a accounts for 30-65% of the total mass of the first film layer; the mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is (20-55): (10-55), wherein the fluorescent powder B1 and the fluorescent powder B2 account for 30-65% of the total mass of the second film layer; the mass ratio of the fluorescent powder C1 to the fluorescent powder C2 to the fluorescent powder C3 to the fluorescent powder D to the fluorescent powder E to the fluorescent powder F is (15-35): (20 to 45): (30-60): (40-90): (30-60): (30-70), wherein the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F account for 50-87% of the total mass of the third film layer.
A second aspect of the present application provides a control method of a sleep-aid lamp, including: in a first preset time period, the control device controls the light source module to emit first white light, and the color temperature of the first white light is greater than or equal to 5000K; and in a second preset time period, the control device controls the light source module to emit second white light, and the color temperature of the second white light is 1600-3000K.
In one embodiment, the method further comprises: when the absolute spectral power of 475-492 nm wave band is detected to be less than 0.6 in the first preset time period, the control device controls the light source module to emit the first white light; and when the absolute spectral power of 475-492 nm wave band is detected to be larger than 0.8 in the second preset time period, the control device controls the light source module to emit the second white light.
The sleep-assisting lamp and the control method thereof have the advantages that:
firstly, by emitting first white light with high color temperature in a first preset time period, the secretion of melatonin is inhibited in the morning time period, a human body is quickly awakened, and the mental state of the human body is improved; the method has the advantages that the second white light with low color temperature is emitted in the second preset time period, the secretion of melatonin is promoted in the afternoon time period, the human body is induced to enter a sleepy state, and the sleep-aiding effect is achieved;
secondly, the wavelength of the first white light and the second white light is visible light of different wave bands within the range of 400-700 nm, compared with the traditional white light illumination, the wavelength of the first white light and the second white light is more complete, the absolute spectral power of each wave band is closer to natural light, the illumination is comfortable, the melatonin secretion effect in a human body under the natural illumination is more attached, and the sleep disorder improving effect is better.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a first LED light source provided in an embodiment of the present application;
FIG. 2 is a spectrum diagram of a first LED light source provided by an embodiment of the present application; wherein, a in fig. 2 is a spectrum diagram of the first light emitting unit, b in fig. 2 is a spectrum diagram of the second light emitting unit, c in fig. 2 is a spectrum diagram of the third light emitting unit, d in fig. 2 is a spectrum diagram of a composite of the first light emitting unit and the third light emitting unit, and e in fig. 2 is a spectrum diagram formed by the double blue light chip;
fig. 3 is a flowchart illustrating an implementation of a method for controlling a sleep-aid lamp according to an embodiment of the present disclosure;
fig. 4 is a spectrum diagram (5644K) of the first white light provided in the embodiment of the present application.
Fig. 5 is a spectrum (3000K) of the second white light provided by the embodiment of the present application.
Reference numerals are as follows:
10. a first light emitting unit; 11. a first blue light chip; 12. a first fluorescent film; 20. a second light emitting unit; 21. a second blue light chip; 22. a second fluorescent film; 30. a third light emitting unit; 31. a third blue light chip; 32. and a third fluorescent film.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to 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 the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
The light power of the cyan light and the blue light in the bright illumination environment is high, the secretion of melatonin in a body can be inhibited, so that the human body can keep clear-headed, and the light power of the cyan light and the blue light in the dim illumination environment is low, the secretion of the melatonin in the body can be promoted, and the function of assisting sleep is achieved. In the modern society, light at night and light of electronic equipment continuously interfere the normal secretion of melatonin of a human body, so that the natural work and rest rules of the human body are influenced, a plurality of health problems such as sleep disorder and the like of the human body occur, more and more social activities are performed indoors, the human body cannot be timely contacted with outdoor sunlight to adjust the secretion state of the melatonin in the human body, and the sleep quality of the human body is gradually reduced.
Based on the problems in the prior art, the embodiment of the application provides a sleep-assisting lamp and a control method of the sleep-assisting lamp, the first white light with high color temperature is emitted in the morning, the light power of the cyan light and the blue light in the first white light is high, the secretion of melatonin can be inhibited, and the mental state of a human body can be improved in the daytime; the second white light with low color temperature is emitted in the afternoon, the light power of the cyan light and the blue light of the second white light is low, the secretion of melatonin can be promoted, the human body can be ensured to rapidly enter a sleep state at night, the sleep disorder of the human body is further improved, and various health problems of the human body caused by insufficient sleep are reduced; moreover, the first white light and the second white light are visible light with the wavelength of 400-700 nm, compared with traditional white light illumination, the first white light and the second white light are more complete in wavelength, the absolute spectral power of each waveband is closer to natural light, the first white light and the second white light are more suitable for solar illumination in natural environment, especially the absolute spectral power of the blue light and the blue light waveband is closer to natural spectrum with the same color temperature, the secretion of the melatonin of a human body is more consistent with the secretion rule under the natural illumination, and the effect of improving sleep disorder is better.
A first aspect of an embodiment of the present application provides a sleep-aid lamp, including: the control device is used for controlling the light source module to emit first white light in a first preset time period, the color temperature of the first white light is greater than or equal to 5000K, and the control device emits second white light in a second preset time period, and the color temperature of the second white light is 1600-3000K.
The housing is a structure capable of accommodating the light source module, the shape of the housing is not limited, the housing can be installed indoors, including but not limited to indoor places such as bedrooms, living rooms or office places, and the installation mode of the housing indoors and the installation mode between the housing and the light source module are not particularly limited in the embodiments of the present application, and refer to the installation mode in the prior art.
The control device can be arranged in the shell or outside the shell and is electrically connected with the light source module, the light source module is driven by current or voltage to emit first white light in a first preset time period and second white light in a second preset time period, and when a plurality of light source modules exist and a plurality of luminous bodies exist in the light source modules, the driving circuit can be driven in a unified mode or a segmented mode.
In the embodiment of the application, the wavelength of the first white light is 400-700 nm, wherein the absolute spectral power of 475-492 nm is greater than 0.7, and the absolute spectral power of 435-475 nm is less than 0.8.
The wavelength ranges of various colors of visible light are as follows: the wavelength of red light is 622-700 nm, the wavelength of orange light is 597-622 nm, the wavelength of yellow light is 577-597 nm, the wavelength of green light is 492-577 nm, the wavelength of cyan light is 475-492 nm, the wavelength of blue light is 435-475 nm, and the wavelength of purple light is 380-435 nm. Therefore, the wavelength band of 475-492 nm in the first white light corresponds to cyan light, the wavelength band of 435-475 nm corresponds to blue light, and the light power of the cyan light and the blue light in the first white light is high, so that the melatonin secretion is inhibited, the human body is quickly awakened, and the good mental state is kept in the daytime.
In the embodiment of the application, the wavelength of the second white light is 400-700 nm, wherein the absolute spectral power of 475-492 nm is less than 0.8, and the absolute spectral power of 435-475 nm is less than 0.5.
According to the wavelength range of visible light, the wavelength range of 475-492 nm in the second white light corresponds to cyan light, the wavelength range of 435-475 nm corresponds to blue light, and the light power intensity of the cyan light and the blue light in the second white light is lower, so that the secretion of melatonin in a body can be promoted, the human body is induced to enter a drowsy state, and the problem of sleep disorder of the human body is solved.
In the embodiment of the application, the absolute spectral power of the 640-700nm waveband in the first white light is greater than 0.7, and the absolute spectral power of the 640-700nm waveband in the second white light is greater than 0.8.
According to the wavelength range of visible light, the wavelength range of 640-700nm in the embodiment of the present application corresponds to red light, and researches show that the red light irradiates the retina to promote the secretion of melatonin, so that the human body can rapidly enter a sleep state, therefore, when the light power of the cyan light and the blue light is high, the first white light can inhibit the secretion of the melatonin, and when the light power of the cyan light and the blue light is low and the light power of the red light is high, the second white light can accelerate the secretion of the melatonin of the human body.
In the embodiment of the application, the first preset time interval is 4 to 12 am, and the second preset time interval is 3 to 10 pm.
In the natural environment, the concentration of melatonin in the human body starts to decrease from about 4 am to about 12 am and starts to increase from about 3 pm to about 10 pm. In order to accord with the natural law, the melatonin secretion in the body of people with sleep disorder is regulated, and first white light is emitted in the period from 4 to 12 am, so that the good mental state is kept in the daytime; and emitting second white light during 3 to 10 pm to promote the secretion of melatonin in the human body and induce the human body to enter a drowsy state.
In this embodiment, the structure of the sleep-assisting lamp further includes an ambient light detection device disposed in the housing, the ambient light detection device is connected to the control device, and is configured to detect the absolute spectral power in a 475nm band to 492nm band in a first preset time interval and a second preset time interval, and the method for controlling the light source module to emit light by using the ambient light detection device and the control device is as follows:
when the absolute spectral power of 475-492 nm wave band is detected to be less than 0.6 in a first preset time period, the control device controls the light source module to emit first white light;
when the absolute spectral power of 475-492 nm wave band detected in the second preset time period is larger than 0.8, the control device controls the light source module to emit the second white light.
As described above, the secretion of melatonin in the human body is mainly adjusted by adjusting the cyan light in the 475-492 nm band of the first white light and the second white light, so that the control device of the embodiment of the application can control the light source module to emit the first white light or the second white light in the first preset time period and the second preset time period, and can further adjust the light emitting condition of the light source module according to the light power of the cyan light detected by the ambient light.
Illustratively, in a first preset time period, natural light irradiation or other light irradiation exists in the room, and when the light irradiation exists in the room, the light irradiation provided by all the indoor light (including the natural light irradiation or other light irradiation) can reach the normal secretion concentration of the melatonin in the body, the light source module is not required to emit the first white light; when the light existing in the room is weak, the light provided by all the light rays (including natural light irradiation or other light irradiation) in the room is not enough to reach the normal secretion concentration of the melatonin, the light source module needs to be controlled to emit the first white light, and specifically, the control device controls the light source module to emit the first white light when the absolute spectral power of the 475-492 nm waveband is detected to be less than 0.6 in the first preset time period by arranging the ambient light detection device.
In a second preset time period, when natural light irradiation or other lamp light irradiation exists indoors and the light power of the indoor 475-492 nm wave band is high, secretion of melatonin in a body can be inhibited, therefore, the light source module needs to be controlled to emit second white light to ensure normal secretion concentration of the melatonin in the body, and specifically, through the arrangement of the ambient light detection device, when the absolute spectral power of the 475-492 nm wave band detected in the second preset time period is larger than 0.8, the control device controls the light source module to emit the second white light.
In an embodiment of the present application, the light source module includes a first LED light source and a second LED light source, and the control device is connected to the first LED light source and the second LED light source respectively, and is configured to control the first LED light source to emit a first white light in a first preset time period and control the second LED light source to emit a second white light in a second preset time period.
The first LED light source with the color temperature being more than or equal to 5000K is manufactured, and the first LED light source is controlled to emit first white light in a first preset time period, so that the secretion of melatonin can be inhibited, a human body can be quickly awakened, and a good mental state can be kept in the daytime; and manufacturing a second LED light source with the color temperature of 1600-3000K, controlling the second LED light source to emit second white light in a second preset time period, promoting the secretion of melatonin in a body, inducing the human body to enter a sleepy state, improving the problem of sleep disorder of the human body, and solving the technical problem of the application.
In this application embodiment, the light source module includes first LED light source and second LED light source, and controlling means is connected with first LED light source and second LED light source respectively for control first LED light source and the luminescence of second LED light source, so that the light that makes both send can mix in first preset period and form first white light, can mix in second preset period and form second white light.
In another embodiment, the color temperature of the first LED light source is made to be more than or equal to 7000K, the color temperature of the second LED light source is made to be less than or equal to 2700K, and the control device controls the light emitted by the first LED light source and the light emitted by the second LED light source to be mixed to form first white light in a first preset time period, so that the melatonin secretion can be inhibited; the control device controls the first LED light source and the second LED light source to emit light to be mixed to form second white light in a second preset time period, melatonin secretion can be promoted, and the technical problem of the application can be solved. The embodiment of the present application specifically describes a case of respectively controlling a first LED light source to emit a first white light and a second LED light source to emit a second white light.
In the embodiment of the application, the first LED light source and the second LED light source have the same structure, and are different only in the color temperature difference. In the embodiment of the present application, a structure of the first LED light source is taken as an example, and as shown in fig. 1, the structure of the first LED light source mainly includes a first light emitting unit 10, a second light emitting unit 20, and a third light emitting unit 30. The first light-emitting unit 10, the second light-emitting unit 20 and the third light-emitting unit 30 are distributed at intervals in a triangular shape, and can be packaged in 3535, 5050 and other packaging modes to form a triangular layout; alternatively, the first light emitting unit 10, the second light emitting unit 20, and the third light emitting unit 30 are arranged in a straight line, and a 5630 type package method may be used.
Specifically, the first light-emitting unit 10 includes a first blue chip 11 and a first fluorescent film 12, the second light-emitting unit 20 includes a second blue chip 21 and a second fluorescent film 22, and the third light-emitting unit 30 includes a third blue chip 31 and a third fluorescent film 32, which are disposed on the light-emitting side of the blue chip for converting blue light emitted from the blue chip into white light. The light emitting wavelengths of the first blue light chip 11, the second blue light chip 21 and the third blue light chip 31 are all 440-475 nm, preferably 440-460 nm. The light emitting wavelengths of the first blue light chip 11, the second blue light chip 21 and the third blue light chip 31 in the embodiment of the present application may be the same or different, and those skilled in the art may select the light emitting wavelengths according to actual requirements. The wavelength of light formed by mixing the light emitted from the first light emitting unit 10, the second light emitting unit 20, and the third light emitting unit 30 is 400 to 700nm.
In this embodiment, the first phosphor film 12, the second phosphor film 22, and the third phosphor film 32 each include a first film, a second film, and a third film that are sequentially disposed along the light emitting direction, the first film includes a first phosphor having a light emitting wavelength of 480 to 500nm, the second film includes a second phosphor having a light emitting wavelength of more than 500nm and less than 620nm, the third film includes a third phosphor having a light emitting wavelength of more than or equal to 620nm, and a mass ratio of the first phosphor to the second phosphor to the third phosphor is (25 to 60): (25-55): (13-60). The film thickness of any one of the first film layer, the second film layer and the third film layer is 0.06 mm-0.15 mm.
Further, the first fluorescent powder comprises fluorescent powder A with the luminous wavelength of 488-492 nm, the second fluorescent powder comprises fluorescent powder B1 and fluorescent powder B2 with the luminous wavelength of 523-542 nm, the third fluorescent powder comprises fluorescent powder C1, fluorescent powder C2 and fluorescent powder C3 with the luminous wavelength of 628-681 nm, fluorescent powder D with the luminous wavelength of 718-722 nm, fluorescent powder E with the luminous wavelength of 738-742 nm, and fluorescent powder F with the luminous wavelength of 793-797 nm.
In the embodiment of the application, in the first LED light source, the mass ratio of the fluorescent powder A is (25-65), further (35-65), and further (45-65); the fluorescent powder A accounts for 50-85% of the total mass of the first film layer, further 55-85%, and further 60-85%;
the mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is (35-85): (25-85), further (45-75): (35-75), further (55-70): (45-70); the fluorescent powder B1 and the fluorescent powder B2 account for 50-85 percent of the total mass of the second film layer, further 55-85 percent of the total mass of the second film layer, and further 60-85 percent of the total mass of the second film layer;
the mass ratio of the fluorescent powder C1 to the fluorescent powder C2 to the fluorescent powder C3 to the fluorescent powder D to the fluorescent powder E to the fluorescent powder F is (3-20): (1-20): (3-35): (7-50): (7-35): (1-45), further (3-15): (3-15): (3-30): (7-40): (7-30): (1 to 40), further (3 to 10): (3-10): (3-25): (7-30): (7-20): (1-30); the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F account for 40-77 percent of the total mass of the third film layer, further 40-67 percent of the total mass of the third film layer, and further 40-60 percent of the total mass of the third film layer.
In the embodiment of the application, in the second LED light source, the mass ratio of the fluorescent powder A is (7-40), further (7-30) and further (7-20); the fluorescent powder A accounts for 30-65% of the total mass of the first film layer, further 30-55%, and further 30-50%;
the mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is (20-55): (10-55), further (20-55): (10 to 55), further (20 to 40): (10 to 30); the fluorescent powder B1 and the fluorescent powder B2 account for 30-65% of the total mass of the second film layer, further 30-55%, and further 30-50%;
the mass ratio of the fluorescent powder C1 to the fluorescent powder C2 to the fluorescent powder C3 to the fluorescent powder D to the fluorescent powder E to the fluorescent powder F is (15-35): (20 to 45): (30-60): (40 to 90): (30-60): (30-70), further (20-35): (25-45): (35-60): (50 to 90): (40-60): (40 to 70), further (25 to 35): (30-45): (40-60): (60 to 90): (45-60): (50-70); the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F account for 50-87%, further 55-87% and further 60-87% of the total mass of the third film layer.
The mass ratio of the first fluorescent powder, the second fluorescent powder and the third fluorescent powder is controlled within the above range, so that the peak shape and the wavelength of a peak in a white light spectrogram generated in the embodiment of the application can be adjusted, the optical power of visible light with different wavelengths in the white light can be adjusted, the energy density of the visible light with different wavelengths in the white light can be adjusted, the effective waveband of the white light can be further widened, or the wavelength of the effective waveband can be adjusted.
In the white light LED light source in the prior art, under the condition of different color temperatures, the light power of red light is difficult to increase, and when the color temperature is low (such as 1600K-3000K), the light power of blue light and cyan light is difficult to increase, and when the color temperature is high (such as when the color temperature is greater than or equal to 5000K), the light power of blue light is difficult to decrease, and the light power of cyan light is difficult to increase, and the generated white light has low similarity to natural light. The color temperature and the light power of different wave bands of the white light generated by the embodiment of the application are controlled within the range, and the generated white light is highly similar to natural light.
Specifically, the first phosphor may include GaYAG yellow-green powder, the second phosphor may be oxynitride blue-green powder, and the third phosphor may include nitride, Y 3 AL 12 : c and fluoride. The fluorescent powder with each light-emitting wavelength can be directly obtained on the market.
Compare three kinds of phosphor powder formulas and mix to one deck, adopt the three-layer fluorescent film that this application embodiment provided, can make the whole light loss of light source less, the light efficiency is higher. It is worth mentioning that the color temperature of the light source can be correspondingly adjusted by changing the mass ratio, the concentration and the film thickness of the fluorescent powder. Under the condition that the proportion of the fluorescent powder and the thickness of the film layer are fixed, the color temperature of white light generated by the first LED light source and the second LED light source is determined by the concentration of the first fluorescent powder, the second fluorescent powder and the third fluorescent powder, the higher the concentration is, the lower the color temperature is, and the lower the concentration is, the higher the color temperature is.
Illustratively, as shown in fig. 4, a first LED light source with a color temperature of 5644K is used in the embodiment of the present application to generate the first white light, with the abscissa being the emission wavelength and the ordinate being the absolute spectral power.
In the first LED light source, Y3 (Al, ga) 5O12 with the light-emitting wavelength of 490nm is adopted as the fluorescent powder A, the mass of the fluorescent powder A is (45-65), the concentration of the fluorescent powder A is 60-85%, namely after the fluorescent powder A is mixed with silica gel, the fluorescent powder A accounts for 60-85% of the total mass of the first film layer;
the fluorescent powder B1 adopts BaSi2O2N2 with the luminous wavelength of 525nm and the fluorescent powder B2 adopts BaSi2O2N2 with the luminous wavelength of 540nm, and the mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is (55-70): (45-70), the concentration is 60-85%, namely after mixing with film forming material (such as silica gel), phosphor B1 and phosphor B2 account for 60-85% of the total mass of the second membranous layer;
the phosphor C1 adopts (Ca, sr) AlSiN with the luminescent wavelength of 630nm 3 The phosphor C2 adopts (Ca, sr) AlSiN with the luminescent wavelength of 660nm 3 The phosphor C3 adopts (Ca, sr) AlSiN with the luminescent wavelength of 679nm 3 The phosphor D adopts (Ca, sr) AlSiN with the light-emitting wavelength of 720nm 3 The phosphor E adopts (Ca, sr) AlSiN with the luminescent wavelength of 740nm 3 The phosphor powder F adopts (Ca, sr) AlSiN with the light-emitting wavelength of 795nm 3 The mass ratio of the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F is (3-10): (3-10): (3-25): (7-30):(7-20): (1-30), the concentration is 40-60%, namely after mixing with silica gel, the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F account for 40-60% of the total mass of the third film layer.
Illustratively, as shown in fig. 5, the embodiment of the present application uses a second LED light source with a color temperature of 3000K to generate a second white light, with the abscissa being the emission wavelength and the ordinate being the absolute spectral power.
In the second LED light source, Y3 (Al, ga) 5O12 with the light-emitting wavelength of 490nm is adopted as the fluorescent powder A, the mass of the fluorescent powder A is (7-20), the concentration of the fluorescent powder A is 30-50%, namely after the fluorescent powder A is mixed with silica gel, the fluorescent powder A accounts for 30-50% of the total mass of the first film layer;
the fluorescent powder B1 adopts BaSi2O2N2 with the luminous wavelength of 525nm and the fluorescent powder B2 adopts BaSi2O2N2 with the luminous wavelength of 540nm, and the mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is (20-40): (10-30), the concentration is 30-50%, namely after mixing with silica gel, the fluorescent powder B1 and the fluorescent powder B2 account for 30-50% of the total mass of the second film layer;
the phosphor C1 adopts (Ca, sr) AlSiN with the luminescent wavelength of 630nm 3 The phosphor C2 adopts (Ca, sr) AlSiN with the luminescent wavelength of 660nm 3 The phosphor C3 adopts (Ca, sr) AlSiN with the luminescent wavelength of 679nm 3 The phosphor D adopts (Ca, sr) AlSiN with the light-emitting wavelength of 720nm 3 The phosphor E adopts (Ca, sr) AlSiN with the luminescent wavelength of 740nm 3 The phosphor F adopts (Ca, sr) AlSiN with the luminous wavelength of 795nm 3 The mass ratio of the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F is (25-35): (30-45): (40-60): (60 to 90): (45-60): (50-70), the concentration is 60-87%, namely after mixing with silica gel, the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F account for 60-87% of the total mass of the third film layer.
In another embodiment provided by the embodiment of the application, the first LED light source and the second LED light source both use double blue light chips to excite full-spectrum white light, and specifically include a fourth blue light chip with a light emission wavelength of 452 to 457nm, a fifth blue light chip with a light emission wavelength of 463 to 467nm, and fluorescent powder excited by the fourth blue light chip and the fifth blue light chip, where the fluorescent powder includes first green powder with a light emission wavelength of 510 to 514nm, second green powder with a light emission wavelength of 532 to 537nm, and red powder with a light emission wavelength of 652 to 658nm, and the mass percentage content of the first green powder is 5% to 10%, the mass percentage content of the second green powder is 82% to 90%, and the mass percentage content of the red powder is 3% to 10%. The light-emitting wavelength and the percentage content of the fluorescent powder of the double blue light chips are specifically referred to the prior art, and the emitted white light spectrum is close to the natural spectrum through the spectrum coupling between the two blue light chips and the fluorescent powder.
But compare in prior art, in the spectrogram of the produced white light of white light LED light source that adopts two blue light chips, the crest is sharp-pointed, and the light intensity changes rapidly along the wavelength direction, and is undulant obvious, only encloses at a small segment wavelength around the crest and has higher light intensity, and the light intensity of the visible light in other wave band scopes is low, and the colour temperature is difficult to be adjusted for the phototherapy effect is poor. The produced white light of light source, the spectrogram of white light have flat crest in 400 ~ 700nm wavelength range, and in the wave band of broad around the crest, visible light luminous power and energy density are close, and when adopting this white light to be applied to the phototherapy, effective wave band is wide, and the phototherapy is effectual.
Illustratively, as shown in fig. 2, (a) in fig. 2 is a spectrum diagram of a first light emitting unit, (b) in fig. 2 is a spectrum diagram of a second light emitting unit, (c) in fig. 2 is a spectrum diagram of a third light emitting unit, mixed light emitted from three light emitting units may form a spectrum diagram shown in (d) in fig. 2, and (e) in fig. 2 is a spectrum diagram formed by a double blue chip. It can be seen from the figure that the light source module formed by the first light emitting unit, the second light emitting unit and the third light emitting unit and the light source module formed by the double blue light chips can emit full spectrum white light, the spectrogram of the white light has a flat peak within the wavelength range of 400-700 nm, and is within a wider band around the peak, but the light power value of the red light part in the composite spectrum of the first light emitting unit to the third light emitting unit is obviously higher than the light power value of the red light part in the spectrum formed by the double blue light chips. The full-spectrum white light emitted by the light source module consisting of the first light emitting unit, the second light emitting unit and the third light emitting unit is closer to natural light.
Based on the structure of the sleep-assisting lamp, a second aspect of the embodiments of the present application provides a control method of a sleep-assisting lamp to improve the problem of sleep disorder of a human body, and different light differences need to be designed in consideration of different secretion laws of melatonin under two situations of sleep-assisting and awakening, as shown in fig. 3, the control method specifically includes the following steps:
step S101, in a first preset time period, a control device controls a light source module to emit first white light, and the color temperature of the first white light is larger than or equal to 5000K;
in the embodiment of the present application, the first preset time period is specifically 4 am to 12 am, and since the concentration of melatonin in the human body starts to decrease from 4 am to 12 am in the natural light environment, in order to adjust the secretion of melatonin of people with sleep disorder, the light source module is controlled to emit the first white light with the color temperature greater than or equal to 5000K during 4 am to 12 am, so as to illuminate the human body, suppress the secretion of melatonin in the human body, achieve quick waking up of the human body in the morning, and maintain a good mental state during the daytime.
In one embodiment, the first white light is a continuous spectrum with a wavelength of 400-700 nm, wherein the absolute spectral power of 475-492 nm is greater than 0.7, the absolute spectral power of 435-475 nm is less than 0.8, the light power intensity of cyan light and blue light is high, and the spectrum with high light power of cyan light and blue light is close to the natural light spectrum of sunrise, which is helpful for inhibiting the secretion of melatonin of a human body, quickly awakening the human body and ensuring the mental state of the human body in the daytime.
And S102, in a second preset time period, the control device controls the light source module to emit second white light, wherein the color temperature of the second white light is 1600-3000K.
In this embodiment, the second preset time period is specifically 3 pm to 10 pm, and because the concentration of melatonin in the human body starts to rise from 3 pm to 10 pm in the natural light environment, so as to help the human body to naturally enter the sleep state at night, the light source module is automatically controlled to emit the second white light with the color temperature greater than 1600K and less than 3000K in the period from 3 pm to 10 pm in the embodiment of the present application, so as to illuminate the human body, promote the secretion of melatonin in the human body, and induce the indoor human body to enter the drowsiness state.
In one embodiment, the second white light is a continuous spectrum with a wavelength of 400-700 nm, wherein the absolute spectral power of 475-492 nm is less than 0.8, the absolute spectral power of 435-475 nm is less than 0.5, the light power intensity of cyan light and blue light is low, and the spectrum of cyan light and blue light with low light power intensity is close to the spectrum of natural light in a sunset environment, so that the melatonin secretion of a human body can be promoted, the human body can be induced to fall asleep, and the problem of sleep disorder can be improved.
The absolute spectral power of a 640-700nm waveband in the first white light is larger than 0.7, and the absolute spectral power of a 640-700nm waveband in the second white light is larger than 0.8. Compared with the traditional illumination, the absolute spectral power of the red light is improved by the first white light and the second white light, the red light is imaged on the rear side of the retina, the 640-700nm saturated red light is beneficial to adjusting the visual focal length, the eye health-care lamp has the effects of promoting eye blood circulation and preventing eye fatigue, the ciliary muscle cannot be pulled forward all the time, the axis of the eye is shortened, and the health level of illumination can be improved.
By adopting the sleep-assisting lamp and the control method thereof, the illumination with different color temperatures can be realized to irradiate the human body, the secretion of melatonin in the human body is adjusted, and then the sleep disorder is improved. Illustratively, as shown in fig. 4 and fig. 5, the embodiment of the present application provides a spectrum diagram of a first white light and a second white light under an indoor lighting scene, fig. 4 is an absolute spectrum diagram of the first white light, and fig. 5 is an absolute spectrum diagram of the second white light, and it can be seen from the diagrams:
the color temperature of the first white light can be 5644K, the first white light is a continuous spectrum with the wavelength of 400-700 nm, wherein the absolute spectral power of 475-492 nm waveband in the first white light is more than 0.8, the absolute spectral power of 435-475 nm waveband is more than 1, the light power intensity of cyan light and blue light is high, and the melatonin secretion of a human body can be inhibited; the absolute spectral power of 640-700nm wave band in the first white light is more than 0.7, the absolute spectral power of red light is higher, and the health level of near-natural light illumination can be improved. The color temperature of the second white light is 3000K, the second white light is a continuous spectrum with the wavelength of 400-700 nm, wherein the absolute spectral power of 475-492 nm wave band in the second white light is less than 0.3, the absolute spectral power of 435-475 nm wave band is less than 0.5, the light power intensity of cyan light and blue light is low, the secretion of melatonin of a human body can be promoted, the absolute spectral power of 640-700nm red light in the second white light is more than 0.8, and the health level of near-natural light illumination can be improved.
Further, the structure of the sleep-assisting lamp also comprises an ambient light detection device, and the method for controlling the light emitting of the light source module by adopting the ambient light detection device and the control device comprises the following steps:
when the absolute spectral power of 475-492 nm wave band is detected to be less than 0.6 in a first preset time period, the control device controls the light source module to emit first white light;
when the absolute spectral power of 475-492 nm wave band detected in the second preset time period is larger than 0.8, the control device controls the light source module to emit the second white light.
The embodiment of the application mainly adjusts the secretion of melatonin in a human body by adjusting the light with the wave band of 475-492 nm in the first white light and the second white light, so that the control device can control the light source module to emit the first white light or the second white light in the first preset time period and the second preset time period, and can further adjust the light emitting condition of the light source module according to the light power of the cyan light detected by the ambient light.
Illustratively, in a first preset time period, natural light irradiation or other light irradiation exists in the room, and when the light irradiation exists in the room, the light irradiation provided by all the light rays (including the natural light irradiation or other light rays) in the room can reach the normal secretion concentration of the melatonin in the body, the light source module is not required to emit the first white light; when the light existing in the room is weak, the light provided by all the light rays (including natural light or other light) in the room is not enough to reach the normal secretion concentration of the melatonin, and the light source module needs to be controlled to emit the first white light. Specifically, by arranging the ambient light detection device, when the absolute spectral power of the 475-492 nm wave band detected in the first preset time period is less than 0.6, the control device controls the light source module to emit the first white light.
In a second preset time period, when the indoor green light power is high due to natural light irradiation or other light irradiation, the high green light power can inhibit the secretion of melatonin in a body, so that the light source module needs to be controlled to emit second white light to ensure the normal secretion concentration of the melatonin in the body, and specifically, by arranging the ambient light detection device, when the absolute spectral power of a 475-492 nm waveband detected in the second preset time period is greater than 0.8, the control device controls the light source module to emit the second white light.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present application, and they should be construed as being included in the present application.
Claims (15)
1. The utility model provides a help dormancy lamp, its characterized in that includes the casing, sets up light source module in the casing and with the controlling means that the light source module is connected, controlling means is used for controlling the light source module sends first white light at first preset period, the colour temperature of first white light is more than or equal to 5000K, and the second preset period sends the second white light, the colour temperature of second white light is 1600K ~ 3000K.
2. A sleep-aid lamp as claimed in claim 1, wherein the first white light has a wavelength of 400-700nm, an absolute spectral power in a wavelength range of 475-492 nm of greater than 0.7, and an absolute spectral power in a wavelength range of 435-475 nm of less than 0.8.
3. A sleep-aid lamp as claimed in claim 1, wherein the second white light has a wavelength of 400-700 nm, wherein the absolute spectral power in 475-492 nm is less than 0.8, and the absolute spectral power in 435-475 nm is less than 0.5.
4. A sleep-aid lamp as claimed in claim 1, wherein the absolute spectral power of the 640-700nm band in the first white light is greater than 0.7, and the absolute spectral power of the 640-700nm band in the second white light is greater than 0.8.
5. A sleep aid lamp as claimed in claim 1, wherein the first predetermined period is from 4 am to 12 am and the second predetermined period is from 3 pm to 10 pm.
6. A sleep aid lamp as claimed in claim 1, further comprising an ambient light detecting means disposed in said housing and connected to said control means for detecting absolute spectral power in a wavelength range of 475-492 nm during said first preset time period and said second preset time period, respectively;
the control device is further used for controlling the light source module to emit the first white light when the absolute spectral power of 475-492 nm is detected to be less than 0.6 in the first preset time period, and controlling the light source module to emit the second white light when the absolute spectral power of 475-492 nm is detected to be greater than 0.8 in the second preset time period.
7. A sleep-aiding lamp as claimed in claim 1, wherein the light source module includes a first LED light source and a second LED light source, the control device is connected to the first LED light source and the second LED light source respectively, for controlling the first LED light source to emit the first white light in the first preset time period and controlling the second LED light source to emit the second white light in the second preset time period.
8. A sleep-aid lamp as claimed in claim 1, wherein the light source module comprises a first LED light source and a second LED light source, and the control device is connected to the first LED light source and the second LED light source respectively, for controlling the first LED light source and the second LED light source to emit light, so that the light emitted from the first LED light source and the light emitted from the second LED light source can be mixed to form the first white light in the first preset time period, and can be mixed to form the second white light in the second preset time period.
9. A sleep-aid lamp as claimed in claim 7 or 8, wherein each of the first LED light source and the second LED light source includes a first light-emitting unit, a second light-emitting unit and a third light-emitting unit, the first light-emitting unit includes a first blue chip and a first phosphor film disposed on the light-emitting side of the first blue chip, the second light-emitting unit includes a second blue chip and a second phosphor film disposed on the light-emitting side of the second blue chip, the third light-emitting unit includes a third blue chip and a third phosphor film disposed on the light-emitting side of the third blue chip, the light-emitting wavelengths of the first blue chip, the second blue chip and the third blue chip are all 440-475 nm, and the light-emitting wavelengths formed by mixing the light emitted by the first light-emitting unit, the second light-emitting unit and the third light-emitting unit are 400-700 nm.
10. A sleep-aid lamp as claimed in claim 9, wherein the first, second and third phosphor films each comprise a first film layer, a second film layer and a third film layer sequentially stacked in a light emitting direction, the first film layer comprises a first phosphor having an emission wavelength of 480 to 500nm, the second film layer comprises a second phosphor having an emission wavelength of more than 500nm and less than 620nm, the third film layer comprises a third phosphor having an emission wavelength of more than or equal to 620nm, and a mass ratio of the first phosphor to the second phosphor to the third phosphor is (25 to 60): (25-55): (13-60).
11. A sleep-aiding lamp as claimed in claim 10, wherein the first phosphor includes a phosphor a with a light emitting wavelength of 488-492 nm, the second phosphor includes a phosphor B1 and a phosphor B2 with a light emitting wavelength of 523-542 nm, and the third phosphor includes a phosphor C1 and a phosphor C2 and a phosphor C3 with a light emitting wavelength of 628-681 nm, a phosphor D with a light emitting wavelength of 718-722 nm, a phosphor E with a light emitting wavelength of 738-742 nm, and a phosphor F with a light emitting wavelength of 793-797 nm.
12. A sleep-aid lamp as claimed in claim 11, wherein in said first LED light source, the mass ratio of said phosphor a is (25-65), said phosphor a comprising 50-85% of the total mass of said first film layer;
the mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is (35-85): (25-85), wherein the fluorescent powder B1 and the fluorescent powder B2 account for 40-77% of the total mass of the second film layer;
the mass ratio of the fluorescent powder C1 to the fluorescent powder C2 to the fluorescent powder C3 to the fluorescent powder D to the fluorescent powder E to the fluorescent powder F is (3-20): (1-20): (3-35): (7-50): (7-35): (1-45), the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F account for 50-85% of the total mass of the third film layer.
13. A sleep-aid lamp as claimed in claim 11, wherein in the second LED light source, the mass ratio of the phosphor a is (7-40), and the phosphor a accounts for 30-65% of the total mass of the first film layer;
the mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is (20-55): (10-55), wherein the fluorescent powder B1 and the fluorescent powder B2 account for 30-65% of the total mass of the second film layer;
the mass ratio of the fluorescent powder C1 to the fluorescent powder C2 to the fluorescent powder C3 to the fluorescent powder D to the fluorescent powder E to the fluorescent powder F is (15-35): (20 to 45): (30-60): (40 to 90): (30-60): (30-70), wherein the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F account for 50-87% of the total mass of the third film layer.
14. A method of controlling a sleep-aid light as claimed in any one of claims 1 to 13, comprising:
in a first preset time period, the control device controls the light source module to emit first white light, and the color temperature of the first white light is greater than or equal to 5000K;
and in a second preset time period, the control device controls the light source module to emit second white light, and the color temperature of the second white light is 1600-3000K.
15. The method of controlling a sleep-aid light as claimed in claim 14, further comprising:
when the absolute spectral power of 475-492 nm wave band is detected to be less than 0.6 in the first preset time period, the control device controls the light source module to emit the first white light;
and when the absolute spectral power of a 475 nm-492 nm wave band detected in the second preset time period is greater than 0.8, the control device controls the light source module to emit the second white light.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211456930.9A CN115696675A (en) | 2022-11-21 | 2022-11-21 | Sleep-aiding lamp and control method thereof |
| PCT/CN2023/133038 WO2024109751A1 (en) | 2022-11-21 | 2023-11-21 | Sleep aid lamp and sleep aid lamp control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211456930.9A CN115696675A (en) | 2022-11-21 | 2022-11-21 | Sleep-aiding lamp and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115696675A true CN115696675A (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211456930.9A Pending CN115696675A (en) | 2022-11-21 | 2022-11-21 | Sleep-aiding lamp and control method thereof |
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| Country | Link |
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| CN (1) | CN115696675A (en) |
| WO (1) | WO2024109751A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024109751A1 (en) * | 2022-11-21 | 2024-05-30 | 四川世纪和光科技发展有限公司 | Sleep aid lamp and sleep aid lamp control method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL373724A1 (en) * | 2001-08-23 | 2005-09-05 | Yukiyasu Okumura | Color temperature-regulable led light |
| TW201343067A (en) * | 2012-04-27 | 2013-11-01 | Lextar Electronics Corp | Illumination method for controlling plant growth |
| CN103499042A (en) * | 2013-10-21 | 2014-01-08 | 江苏鑫田电子科技有限公司 | Scene LED lamp capable of simulating natural light color temperature change law |
| WO2017147122A1 (en) * | 2016-02-22 | 2017-08-31 | Hubbell Incorporated | Configurable lighting system |
| EP3513401A4 (en) * | 2016-09-14 | 2020-05-27 | Lutron Ketra, LLC | Illumination device and method for adjusting periodic changes in emulation output |
| TWI670446B (en) * | 2019-02-13 | 2019-09-01 | 東貝光電科技股份有限公司 | Led lighting device manufacturing method and led lighting device thereof |
| CN113739087B (en) * | 2021-08-26 | 2022-10-11 | 复旦大学 | Color temperature-variable full-spectrum LED light source and lamp |
| CN114222407A (en) * | 2021-12-10 | 2022-03-22 | 北京翌光科技有限公司 | Light dynamic adjusting system device and method matched with biological rhythm and application |
| CN115696675A (en) * | 2022-11-21 | 2023-02-03 | 四川世纪和光科技发展有限公司 | Sleep-aiding lamp and control method thereof |
-
2022
- 2022-11-21 CN CN202211456930.9A patent/CN115696675A/en active Pending
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024109751A1 (en) * | 2022-11-21 | 2024-05-30 | 四川世纪和光科技发展有限公司 | Sleep aid lamp and sleep aid lamp control method |
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| Publication number | Publication date |
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| WO2024109751A1 (en) | 2024-05-30 |
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