CN117346107A - Lighting method and lighting device for vision protection and application - Google Patents

Lighting method and lighting device for vision protection and application Download PDF

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Publication number
CN117346107A
CN117346107A CN202311210426.5A CN202311210426A CN117346107A CN 117346107 A CN117346107 A CN 117346107A CN 202311210426 A CN202311210426 A CN 202311210426A CN 117346107 A CN117346107 A CN 117346107A
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China
Prior art keywords
light source
illumination
red light
white light
color temperature
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CN202311210426.5A
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Chinese (zh)
Inventor
曾胜
李文凯
曾骄阳
陈华
醋新科
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Sichuan Century Heguang Technology Development Co ltd
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Sichuan Century Heguang Technology Development Co ltd
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Priority to CN202311210426.5A priority Critical patent/CN117346107A/en
Publication of CN117346107A publication Critical patent/CN117346107A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/02—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for simulating daylight
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
    • 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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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
    • H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
    • 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]
    • H05B45/30—Driver circuits
    • 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
    • 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
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • 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
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • H05B47/195—Controlling the light source by remote control via wireless transmission the transmission using visible or infrared light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention provides a vision protection illumination method, an illumination device and application, wherein a high-display-index white light source and a single-wavelength red light source are adopted as an illumination light source; in the illumination process, the high-display means that the white light source adopts static illumination with color temperature or dynamic illumination with color temperature; the single wavelength red light source adopts the synchronous dynamic illumination of brightness. The high-definition white light source provides excellent light source and has higher similarity with natural light, and the human eye has stronger adaptability, is in a natural relaxed state, and is beneficial to improving eye fatigue. Meanwhile, the single-wavelength red light source is used as an enhanced auxiliary light source, synchronous dynamic illumination is adopted in the illumination process of the single-wavelength red light source, the optically perceived photochromic imaging is regulated, the eye ciliary muscle of the eye is reduced to pull the eyeball forwards, and the change amount of the eye axis is controlled; the dynamic illumination of the red light is matched with the illumination environment of the high-display-index white light source to control the change quantity of the eye axis, so that people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.

Description

Lighting method and lighting device for vision protection and application
Technical Field
The invention relates to the technical field of eye protection illumination, in particular to an illumination method, an illumination device and application of vision protection.
Background
The imaging positions of the light with different colors on the retina are different, the imaging of the green light just falls on the retina, and the human eye is in a very natural relaxed state when looking at a green object; blue light is imaged on the front side of retina, so that the eye naturally opens a large point when looking at blue light to change the eye axis; the red light is imaged on the front side of the retina, and to ensure that the focus is on the retina, the eye naturally squints when looking at the red light, so that the axis of the eye changes. The human eyes are formed and evolved in natural illumination environment, the adaptability of the vision to natural light is irreplaceable, and the human eyes can not feel visual fatigue easily under the irradiation of the natural light.
At present, people can often carry out illumination under the illumination device for eyes, the spectrum emitted by the illumination device is greatly different from natural light, many illumination luminescence red light spectrums are seriously missing, the blue light spectrum is high, especially when eyes of people are reading books or writing, people tend to 'catch the spirit' or 'look at eyes' stare at objects to be watched, and thus, after long-time vision, eyes are fixed for a long time, and eyes are easy to fatigue.
In the prior art, a high-intensity-ratio white light source for reducing blue light quantity and increasing red light spectrum is used for illuminating an eye axis which accords with visual habit, so that visual protection of teenagers eyes in junior middle school can be effectively realized, and eye fatigue is relieved. However, in real life, the young, middle-aged and elderly people who are adult are also plagued with eyestrain under long-term illumination. The eye development of teenagers in the junior middle school is different from the eye development state of adult human eyes, and the research discovers that the lighting method existing in the prior art has obviously reduced eye protection effect on adults in all age groups except teenagers in the junior middle school. There is no eye-protection illumination method suitable for people of all ages in the prior art.
Therefore, the research of the eye-protection illumination method suitable for people of all ages has very important significance.
Disclosure of Invention
The invention aims at: aiming at the problem that the prior art lacks an eye protection illumination method suitable for people of all ages, an eye protection illumination method, an eye protection illumination device and application are provided, the illumination method adopts a high-index white light source with high fitting natural light and a single-wavelength red light source as illumination light sources, the high-index white light source provides excellent light sources and has higher similarity with the natural light, so that the eye use illumination environment is more similar to the natural illumination environment, the adaptability of human eyes is stronger under the illumination condition of the high-index white light source, and the eye use fatigue can be improved when the high-index white light source is in a natural relaxation state. Meanwhile, the single-wavelength red light source is used as an enhanced auxiliary light source, synchronous dynamic illumination is adopted in the illumination process of the single-wavelength red light source, the optically perceived photochromic imaging is regulated, the eye ciliary muscle of the eye is reduced to pull the eyeball forwards, and the change amount of the eye axis is controlled; the dynamic illumination of the red light is matched with the illumination environment of the high-display-index white light source to control the change quantity of the eye axis, so that people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a vision protection illumination method adopts a high-definition white light source and a single-wavelength red light source as illumination light sources; the single-wavelength red light source is a single-wavelength red light source, and the wavelength of the generated red light effective wave band is at least one wavelength of 600 nm-700 nm; the color rendering index of the high-color-rendering white light source is more than 90;
in the illumination process, high-display means that the color temperature of the white light source is static unchanged or the color temperature is dynamically changed for illumination; meanwhile, the single-wavelength red light source adopts brightness dynamic change illumination;
the dynamic illumination of red light brightness comprises the following steps that firstly, the brightness value below 50% is maintained, illumination is carried out for a period of time, then the brightness value is increased to 100% within 0.7-1.2 s, illumination is maintained for a proper time, then the brightness value below 50% is reduced within 0.7-1.2 s, and the repeated circulation illumination is carried out;
when the brightness of the red light rises, the color temperature of the white light source is unchanged or the color temperature synchronously drops; when the brightness of the red light is reduced, the high-display means that the color temperature of the white light source is unchanged or the color temperature is synchronously increased.
The invention provides a vision protection illumination method, which adopts a high-definition white light source with high fitting natural light and a single-wavelength red light source as illumination light sources, wherein the high-definition white light source provides excellent light sources and has higher similarity with the natural light, so that the eye illumination environment is more similar to the natural illumination environment, the adaptability of human eyes is stronger under the illumination condition of the high-definition white light source, the eye is in a natural relaxation state, and the eye fatigue can be improved. Meanwhile, the single-wavelength red light source is used as an enhanced auxiliary light source, synchronous dynamic illumination is adopted in the illumination process of the single-wavelength red light source, the optically perceived photochromic imaging is regulated, the eye ciliary muscle of the eye is reduced to pull the eyeball forwards, and the change amount of the eye axis is controlled; the dynamic illumination of the red light is matched with the illumination environment of the high-display-index white light source to control the change quantity of the eye axis, so that people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.
The research shows that the color temperature of the white light source can be static or dynamic, but the red light source can solve the technical problem only by dynamic change of brightness. Meanwhile, the research shows that when the brightness of the red light rises, the color temperature of the high-definition white light source synchronously rises, and; when the brightness of the red light is reduced, the effect is obviously deteriorated if the color temperature of the high-display white light source is synchronously reduced.
Further, the wavelength of the red light effective wave band generated by the single-wavelength red light source is at least one wavelength of 630 nm-700 nm. Preferably, the wavelength of the red light effective wave band generated by the single-wavelength red light source is at least one wavelength of 630nm to 670 nm. More preferably, the wavelength of the red effective wave band generated by the single-wavelength red light source is at least one wavelength of 650 nm-660 nm. The research shows that the proper red light effective wave band can show better eye protection effect.
Further, in the illumination process, the brightness value of the high-display white light source is kept unchanged; at the same time, the method comprises the steps of,
the single wavelength red light source adopts dynamic brightness illumination, and specifically comprises the following steps:
step 1, maintaining a brightness value below 50%, and illuminating for 9-14 s;
step 2, rising to 100% brightness value within 0.7 s-1.2 s; maintaining illumination for 3 s-7 s;
Step 3, the brightness value is reduced to a brightness value below 50% within 0.7-1.2 s;
and 4, repeating the steps from the step 1 to the step 3, and circularly illuminating.
The single-wavelength red light source finishes the switching from low brightness to high brightness and the switching from high brightness to low brightness within a specific time, and the brightness value is circularly changed into dynamic light, so that the single-wavelength red light source can adjust the optically perceived light color imaging by dynamic illumination, reduce the eye ciliary muscle to pull the eyeball forwards, and control the change quantity of the eye axis. Under the mutual coordination of the high-display-index white light source with static illumination and the dynamic cyclic illumination of the single-wavelength red light source, the unexpected technical effect is obtained.
Further, in the illumination process, the method comprises the following steps:
step 1, maintaining the highest color temperature value of a high-definition white light source, and illuminating for 9 s-14 s; in the same time period, the single-wavelength red light source keeps a brightness value below 50% for synchronous illumination;
step 2, the high-definition white light source is reduced to the lowest color temperature value from the highest color temperature value within 0.7-1.2 s; in the same time period, the single-wavelength red light source gradually rises to 100% brightness value; then the high-display-index white light source and the single-wavelength red light source synchronously keep illumination for 3 s-4 s;
Step 3, after the high-definition white light source, the lowest color temperature value is increased to the highest color temperature value within 0.7-1.2 s; in the same time period, the single-wavelength red light source gradually drops to a brightness value below 50%;
step 4, respectively repeating the steps from the step 1 to the step 3 by using a high-display-index white light source and a single-wavelength red light source to perform cyclic synchronous illumination;
wherein the difference between the highest color temperature value and the lowest color temperature value is not less than 600K.
The invention provides a vision protection illumination method, wherein a high-display-index white light source and a single-wavelength red light source are adopted as an illumination light source; wherein, the wavelength of the red light effective wave band generated by the single-wavelength red light source is at least one wavelength of 600 nm-700 nm; the lighting process comprises the following steps: step 1, maintaining the highest color temperature value of a high-definition white light source, and illuminating for 9 s-14 s; in the same time period, the single-wavelength red light source keeps a brightness value below 50% for synchronous illumination;
step 2, the high-definition white light source is reduced to the lowest color temperature value from the highest color temperature value within 0.7-1.2 s; in the same time period, the single-wavelength red light source gradually rises to 100% brightness value; then the high-display-index white light source and the single-wavelength red light source synchronously keep illumination for 3 s-4 s;
Step 3, after the high-definition white light source, the lowest color temperature value is increased to the highest color temperature value within 0.7-1.2 s; in the same time period, the single-wavelength red light source gradually drops to a brightness value below 50%;
step 4, respectively repeating the steps from the step 1 to the step 3 by using a high-display-index white light source and a single-wavelength red light source to perform cyclic synchronous illumination;
wherein the difference between the highest color temperature value and the lowest color temperature value is not less than 600K.
On the one hand, the high-definition white light source is helpful for adjusting the focal length and the eye axis of vision during vision imaging when being illuminated, and effectively relieves the eye fatigue under illumination. On the other hand, in the whole illumination process, the high-display white light source finishes the switching from high color temperature to low color temperature and from low color temperature to high color temperature in a specific time, and the color temperature value is circularly graded, so that static light is changed into dynamic light, eyes blink, eyeballs automatically focus and reset, and the eye axis is actively regulated to accord with vision habit. Meanwhile, in the high-display-index white light source illumination process, the single-wavelength red light source is synchronously illuminated, the switching from low brightness to high brightness and the switching from high brightness to low brightness are completed in a specific time, brightness values are circularly changed into dynamic light, the dynamic illumination of the single-wavelength red light source can adjust visual perception of light color imaging, eye ciliary muscles are reduced to pull eyeballs forwards, and the change quantity of eye axes is controlled. By the aid of the technical scheme, people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.
Further, in the step 1, the single-wavelength red light source keeps 20% -50% of brightness value and the high-definition white light source synchronously illuminate.
In the step 1, the illumination time of the high-definition white light source and the single-wavelength red light source is 9 s-12 s. For example, the lighting time of the full-color photochromic bionic light source and the single-wavelength red light source is 9s, 10s, 11s and 12s.
Furthermore, in the step 2, the color temperature value change time of the high-definition white light source and the brightness value change time of the single-wavelength red light source are both 0.8 s-1.1 s, for example, 0.8s, 0.9s, 1.0s and 1.1s; the illumination time for keeping the brightness unchanged synchronously is 3s to 4s, for example 3s, 4s, 5s.
In the step 3, the color temperature value change time of the high-definition white light source and the brightness value change time of the single-wavelength red light source are 0.8 s-1.1 s; for example 0.8s, 0.9s, 1.0s, 1.1s.
Further, the illumination light source further comprises a far infrared light source, and the wavelength of an effective wave band of the far infrared light source is 4-25 mu m; in the illumination process, the brightness value of the far infrared light source is kept unchanged and is synchronously illuminated with the single-wavelength red light source. Preferably, the wavelength of the effective wave band of the far infrared light source is 8-14 μm; the brightness value of the far infrared light source is 300 Lux-600 Lux. The research shows that the addition of far infrared light wave can realize better effect of relieving eye fatigue, and the addition of far infrared light wave can accelerate the activity of the optic nerve cells and embody better eye protection effect.
Further, the high-definition means that the brightness value of 100% of the white light source is not lower than 600Lux, and the brightness value of 25% -45% is not higher than 400Lux; 100% of the single-wavelength red light source has a brightness value not lower than 600Lux and 50% or less has a brightness value not higher than 450Lux. Proper brightness is selected, so that the comfort of people can be improved, and the fatigue of eyes can be relieved.
Another object of the invention is a device for use in the illumination method for providing the above-mentioned visual protection.
The device adopted by the visual protection illumination method comprises a control module, a driving power module, a high-display-index white light source group module and a single-wavelength red light source group module;
the high-color-rendering-index white light source module comprises a low-color-temperature high-rendering-index white light source group and a high-color-temperature high-rendering-index white light source group, and the red light source module comprises a single-wavelength red light source group;
the driving power supply module is respectively and electrically connected with the low-color-temperature high-display-index white light source group, the high-color-temperature high-display-index white light source group and the red light source group; the control module is used for simultaneously providing a proportion signal of the current I1 of the low-color-temperature high-color-rendering-index white light source group and the current I2 of the high-color-temperature high-color-rendering-index white light source group and a current I3 of the single-wavelength red light source group for the driving power supply module; the driving power supply module is used for generating driving currents I1, I2 and I3 according to the received proportional relation signal of the current I1 and the current I2 and the current I3 size signal to respectively drive the low-color-temperature high-display-index white light source group, the high-color-temperature high-display-index white light source group and the red light source group, so that the adjustment of the color temperature of the high-display-index white light source and the change of the brightness of the red light source group module are realized.
The application provides an LED eye-protection lighting device, which comprises a control module, a driving power module, a high-display-index white light source group module and a single-wavelength red light source group module; the high-color-rendering-index white light source module comprises a low-color-temperature high-rendering-index white light source group and a high-color-temperature high-rendering-index white light source group, and the red light source module comprises a single-wavelength red light source group;
the driving power supply module is respectively and electrically connected with the low-color-temperature high-display-index white light source group, the high-color-temperature high-display-index white light source group and the red light source group; the control module is used for simultaneously providing a proportion signal of the current I1 of the low-color-temperature high-color-rendering-index white light source group and the current I2 of the high-color-temperature high-color-rendering-index white light source group and a current I3 of the single-wavelength red light source group for the driving power supply module; the driving power supply module is used for generating driving currents I1, I2 and I3 according to the received proportional relation signal of the current I1 and the current I2 and the current I3 size signal to respectively drive the low-color-temperature high-display-index white light source group, the high-color-temperature high-display-index white light source group and the red light source group, so that the adjustment of the color temperature of the high-display-index white light source and the change of the brightness of the red light source group module are realized. The utility model discloses a device of LED eyeshield illumination realizes illumination brightness's change through the electric current size of simultaneously adjusting high colour temperature light source group and low colour temperature light source group, simple structure, convenient to use, facilitate promotion.
Further, the control module includes a light sensor.
Further, the single-wavelength red light source group comprises at least two single-wavelength red light sources with different red light effective wave bands; at least two single-wavelength red light sources with different red light effective wave bands are connected in parallel, and the current intensities are unequal; the control module is used for simultaneously providing different current magnitude signals of all the single-wavelength red light sources for the driving power module, and the driving power module is used for producing driving currents with different magnitudes according to the received different current magnitude signals of all the single-wavelength red light sources to correspondingly drive the different single-wavelength red light sources respectively, so that the illumination brightness change of the single-wavelength red light source group is realized.
Furthermore, the low-color temperature high-display-index white light source group is formed by connecting a plurality of low-color temperature high-display-index white light sources in series, parallel or series-parallel, and the high-color temperature high-display-index white light source group is formed by connecting a plurality of high-color temperature high-display-index white light sources in series, parallel or series-parallel.
Further, the color temperature value of the low-color temperature high-definition white light source group and the color temperature value of the high-color temperature high-definition white light source group are two color temperature values with different magnitudes in 2700K-5600K.
Further, the color temperature value of the low-color temperature high-display-index white light source group and the color temperature value of the high-color temperature high-display-index white light source group are respectively positioned at any two interval color temperature values of 2700K-3000K, 4000K-4200K, 4700K-5200K and 5500K-6000K.
Spectral power: the spectrum emitted by a light source often is not a single wavelength, but rather consists of a mixture of radiation of many different wavelengths. The spectral radiation of a light source and the intensity distribution of the individual wavelengths in wavelength order is referred to as the spectral power distribution of the light source.
Parameters for characterizing the magnitude of the spectral power are divided into absolute spectral power and relative spectral power, and then absolute spectral power distribution curves: curves are made in absolute values of the energy of light at various wavelengths of spectral radiation.
Relative spectral power distribution curve: the energy of various wavelengths of the light source radiation spectrum is compared with each other, and the radiation power is changed only within a prescribed range after normalization processing. The maximum relative spectral power of the radiation power is 1, and the relative spectral power of other wavelengths is less than 1.
It is a further object of the present invention to provide the application of the above-described vision-protecting illumination method.
The visual protection lighting method is applied to panel lamps, table lamps, ceiling lamps, floor lamps, down lamps, PAR and spot lamps.
According to the eye protection illumination method, unexpected technical effects are achieved through the mutual matching of the high-definition white light source and the single-wavelength red light source in dynamic circulation illumination, the eye protection illumination method can enable people of all ages to achieve the effects of protecting eyes and relieving eye fatigue, can be used in panel lamps, table lamps, ceiling lamps, floor lamps, down lamps, PAR and spot lamps, is wide in application and is convenient to popularize.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the invention provides a vision protection illumination method, which adopts a high-definition white light source with high fitting natural light and a single-wavelength red light source as illumination light sources, wherein the high-definition white light source provides excellent light sources and has higher similarity with the natural light, so that the eye illumination environment is more similar to the natural illumination environment, the adaptability of human eyes is stronger under the illumination condition of the high-definition white light source, the eye is in a natural relaxation state, and the eye fatigue can be improved. Meanwhile, the single-wavelength red light source is used as an enhanced auxiliary light source, synchronous dynamic illumination is adopted in the illumination process of the single-wavelength red light source, the optically perceived photochromic imaging is regulated, the eye ciliary muscle of the eye is reduced to pull the eyeball forwards, and the change amount of the eye axis is controlled; the dynamic illumination of the red light is matched with the illumination environment of the high-display-index white light source to control the change quantity of the eye axis, so that people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.
2. The invention provides a vision protection illumination method, wherein a high-display-index white light source and a single-wavelength red light source are adopted as an illumination light source; in the illumination process, on one hand, the high-definition white light source is helpful to adjust the focal length and the eye axis of vision during vision imaging when in illumination, and the eyestrain caused by illumination is effectively relieved. On the other hand, in the whole illumination process, the high-display white light source finishes the switching from high color temperature to low color temperature and from low color temperature to high color temperature in a specific time, and the color temperature value is circularly graded, so that static light is changed into dynamic light, eyes blink, eyeballs automatically focus and reset, and the eye axis is actively regulated to accord with vision habit. Meanwhile, in the high-display-index white light source illumination process, the single-wavelength red light source is synchronously illuminated, the switching from low brightness to high brightness and the switching from high brightness to low brightness are completed in a specific time, brightness values are circularly changed into dynamic light, the dynamic illumination of the single-wavelength red light source can adjust visual perception of light color imaging, eye ciliary muscles are reduced to pull eyeballs forwards, and the change quantity of eye axes is controlled. By the aid of the technical scheme, people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.
3. The application provides an LED eye-protection lighting device, wherein a driving power supply module is respectively and electrically connected with a low-color-temperature high-color-rendering-index white light source group, a high-color-temperature high-rendering-index white light source group and a red light source group; the control module is used for simultaneously providing a proportion signal of the current I1 of the low-color-temperature high-color-rendering-index white light source group and the current I2 of the high-color-temperature high-color-rendering-index white light source group and a current I3 of the single-wavelength red light source group for the driving power supply module; the driving power supply module is used for generating driving currents I1, I2 and I3 according to the received proportional relation signal of the current I1 and the current I2 and the current I3 size signal to respectively drive the low-color-temperature high-display-index white light source group, the high-color-temperature high-display-index white light source group and the red light source group, so that the adjustment of the color temperature of the high-display-index white light source and the change of the brightness of the red light source group module are realized. The device for LED eye-protection illumination disclosed by the application is simple in structure, convenient to use and convenient to popularize.
4. The eye-protecting illumination method disclosed by the invention has the unexpected technical effect by the mutual matching of the high-definition white light source and the single-wavelength red light source for dynamic circulation illumination, and the technical scheme provided by the invention can ensure that people in all age groups can achieve the effects of protecting eyes and relieving eye fatigue, can be used in panel lamps, desk lamps, ceiling lamps, floor lamps, down lamps, PAR and spot lamps, has wide application and is convenient to popularize.
Drawings
Fig. 1 is a device for LED eye-protection illumination in embodiment 1.
FIG. 2 is a spectrum chart of a low color temperature high-color-rendering white light source group in example 1.
FIG. 3 is a spectrum chart of a white light source group with high color temperature and high color rendering index in the embodiment 1.
FIG. 4 is a chart showing the spectrum of red light emitted from the single wavelength red light source module of example 1.
FIG. 5 is a spectrum chart of a low color temperature high-color-rendering white light source group in example 2.
FIG. 6 is a spectrum chart of a white light source group with high color temperature and high color rendering index in example 2.
FIG. 7 is a chart showing the spectrum of red light emitted from the single wavelength red light source module of example 2.
Fig. 8 is a schematic diagram of an LED eye-protection lighting device in embodiment 4.
Fig. 9 is a spectrum of red light emitted from the single wavelength red light source module in embodiment 4.
Fig. 10 is a spectrum of red light emitted from another single wavelength red light source module according to embodiment 4.
Fig. 11 is a spectrum of the far infrared light source module in example 5.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in FIG. 1, the LED eye-protection lighting device comprises a control module, a driving power module, a high-color-rendering white light source group module and a single-wavelength red light source group module;
the high-color-rendering-index white light source module comprises a low-color-temperature high-rendering-index white light source group and a high-color-temperature high-rendering-index white light source group, and the red light source module comprises a single-wavelength red light source group;
the driving power supply module is respectively and electrically connected with the low-color-temperature high-display-index white light source group, the high-color-temperature high-display-index white light source group and the red light source group; the control module is used for simultaneously providing a proportion signal of the current I1 of the low-color-temperature high-color-rendering-index white light source group and the current I2 of the high-color-temperature high-color-rendering-index white light source group and a current I3 of the single-wavelength red light source group for the driving power supply module; the driving power supply module is used for generating driving currents I1, I2 and I3 according to the received proportional relation signal of the current I1 and the current I2 and the current I3 size signal to respectively drive the low-color-temperature high-display-index white light source group, the high-color-temperature high-display-index white light source group and the red light source group, so that the adjustment of the color temperature of the high-display-index white light source and the change of the brightness of the red light source group module are realized.
Wherein, UI/I1 represents the voltage value/current value of the white light source group through low color temperature high display finger;
U2/I2 represents the voltage value/current value of the white light source group through high color temperature and high display finger;
U3/I3 represents the voltage/current value through the single wavelength red light source group.
Preferably, the control module comprises a light sensor.
Preferably, the control module further comprises an infrared remote controller, the infrared receiving device is used for receiving a remote control signal of the infrared remote controller, and the control module generates a current I1 size signal, a current I2 size signal and a current I3 size signal according to the remote control signal.
Specifically, the low color temperature high-color rendering index white light source group consists of 18 white light LED light sources with color rendering indexes larger than 90% (single power is 0.5W), and the color temperature is 2700K. As shown in particular in figure 2.
Specifically, the high color temperature high-color rendering index white light source consists of 18 white light LED light sources with color rendering indexes of more than 90 (single power is 0.5W), and the color temperature is 5600K, and is specifically shown in FIG. 3.
Specifically, the single-wavelength red light source module consists of 18 LED lamp beads which are connected in series and have the effective red light wave band and the wavelength of 640nm, and a specific red light spectrum is shown in fig. 4. The current of the single-wavelength red light source group module is I3. The low-color temperature single-wavelength red light source is uniformly arranged in the low-color temperature high-display-index white light source.
The method for lighting by adopting the lighting device comprises the following steps:
step 1, controlling I1 to be 0% of the minimum current output, I2 to be 95% of the current output, and the ratio of I1 to I2 to be 0:95% maintaining the highest color temperature value 5600K, and illuminating for 14s; in the same time period, controlling I3 to be 50% of the maximum output current, and synchronously illuminating for 14s by keeping a 50% brightness value of 450 Lux for a single-wavelength red light source;
step 2, reducing the highest color temperature value to 2700K from the lowest color temperature value within 1s so as to obviously change the light color of the surface of the object to be illuminated, and keeping illumination for 3s; at this time, I1 was 100%, I2 was 0%, and the ratio of I1 and I2 was 100%:0; meanwhile, the single-wavelength red light source is gradually increased to 100% brightness value within 1s, and at the moment, I3 is the maximum output current, namely 100%, and illumination is kept for 3s;
step 3, after that, the lowest color temperature value is 2700K within 1s, and the color temperature value rises to the highest color temperature value 5600K; in the same time period, the single-wavelength red light source gradually reduces the brightness value by 50%;
and 4, repeating the steps from the step 1 to the step 3, and circularly illuminating.
Example 2
Example 2 the same LED eye-protecting lighting device as example 1 was used.
Specifically, the low color temperature high-display-index white light source group consists of 18 high-display-index (single power is 0.5W) white light LED light sources, and the color temperature is 3000K. As shown in particular in fig. 5.
Specifically, the high color temperature full-color light source is composed of 18 high-color-rendering-index (single power is 0.5W) white light LED light sources, and the color temperature is 4200K, which is shown in FIG. 6.
Specifically, the single-wavelength red light source module consists of 18 serial LED lamp beads with the wavelength of 630nm in the red effective wave band, and a specific red spectrogram is shown in fig. 7. The current of the single-wavelength red light source group module is I3. The low-color temperature single-wavelength red light source is uniformly arranged in the low-color temperature high-display-index white light source.
The method for lighting by adopting the lighting device comprises the following steps:
step 1, controlling I1 to be 0% of the minimum current output, I2 to be 90% of the current output, and the ratio of I1 to I2 to be 0:90%, maintaining the highest color temperature value 4200K, and illuminating for 12s; in the same time period, controlling the I3 to be the maximum output current, namely 20%, and synchronously illuminating for 12s by keeping the 20% brightness value of 200Lux of a single-wavelength red light source;
step 2, reducing the highest color temperature value to 3000K from the highest color temperature value within 1.2s so as to obviously change the light color of the surface of the object to be illuminated, and keeping illumination for 3s; at this time, I1 is controlled to be 100% minimum current output, I2 is controlled to be 0% current output, and the ratio of I1 and I2 is controlled to be 100%:0% of the total weight of the composition; meanwhile, the single-wavelength red light source is gradually increased to a brightness value of 1000Lux of 100% within 1.2s, and at the moment, I3 is the maximum output current, namely 100%, and illumination is kept for 4s;
Step 3, after that, the lowest color temperature value is 3000K and is within 1.2s, and the color temperature value rises to 4200K; in the same time period, the single-wavelength red light source gradually reduces the brightness value by 20%;
and 4, repeating the steps from the step 1 to the step 3, and circularly illuminating.
Example 3
In embodiment 3, the same LED eye-protecting lighting device as in embodiment 1 is adopted, and the high-definition white light source module and the single-wavelength red light source module are the same as in embodiment 1.
The method of illumination comprises the steps of: in the illumination process, the brightness value of the high-definition white light source is kept unchanged at 900 Lux; the brightness of the single-wavelength red light source changes in a cyclic illumination manner, and the method is as follows:
step 1, controlling I1 to be 0% of the minimum current output, I2 to be 95% of the current output, and the ratio of I1 to I2 to be 0:95%, maintaining the highest color temperature value 5600K, and illuminating for 9s; in the same time period, controlling I3 to be 50% of the maximum output current, and synchronously illuminating for 9s by keeping 50% brightness value 450 Lux of a single-wavelength red light source;
step 2, reducing the highest color temperature value to 2700K from the lowest color temperature value within 0.7s so as to obviously change the light color of the surface of the illuminated object, and keeping illumination for 3s; at this time, I1 was 100%, I2 was 0%, and the ratio of I1 and I2 was 100%:0; meanwhile, the single-wavelength red light source gradually rises to 100% brightness value within 0.7s, and at the moment, I3 is the maximum output current, namely 100%, and illumination is kept for 3s;
Step 3, after that, the lowest color temperature value is 2700K and is within 07s, and the color temperature value rises to 5600K; in the same time period, the single-wavelength red light source gradually reduces the brightness value by 50%;
and 4, repeating the steps from the step 1 to the step 3, and circularly illuminating.
Example 4
As shown in fig. 8, embodiment 4 provides an LED eye-protecting lighting device, which includes a control module, a driving power module, a high-finger white light source module and a single-wavelength red light source module;
the driving power supply module is respectively electrically connected with the low-color-temperature high-color-rendering-index white light source group, the high-color-temperature high-rendering-index white light source group and the red light source group module; the control module can simultaneously provide the proportional signals of the current I1 of the low-color-temperature high-color-rendering-index white light source group and the current I2 of the high-color-temperature high-rendering-index white light source group for the driving power supply module; the driving power supply module can generate driving currents I1 and I2 according to received current I1 and current I2 proportion signals to respectively drive the low-color-temperature high-display-index white light source group and the high-color-temperature high-display-index white light source group, so that the change of the illumination color temperature of the high-display-index white light source is realized.
The single-wavelength red light source module comprises two single-wavelength red light source modules with red light effective wave bands of 650nm and 660nm respectively; the two single-wavelength red light source modules are connected in parallel, the current intensity is unequal, the 650nm single-wavelength red light source module comprises 9 series-connected 650nm red light beads, and the current intensity is I31; the 660nm single-wavelength red light source module comprises 9 serially connected 660 nm-wavelength red light beads, and the current intensity is I32; wherein I31 is less than I32. The control module can simultaneously provide current magnitude signals I31 and I32 for the driving power supply module, and the driving power supply module can produce driving currents I31 and I32 with different magnitudes according to the received current magnitude signals of all the single-wavelength red light source modules to correspondingly drive the different single-wavelength red light source modules, so that the illumination brightness change of the single-wavelength red light source module is realized.
Preferably, the high-definition finger control module and the red light control module both further comprise light sensors.
Preferably, the control module further comprises an infrared remote controller, the infrared receiving device is used for receiving remote control signals of the infrared remote controller, and the control module generates a current I1 size signal, a current I2 size signal, an I31 size signal and an I32 size signal according to the remote control signals.
The spectrum of the single-wavelength red light source module with the wavelength of 650nm is shown in fig. 9, and the spectrum of the single-wavelength red light source module with the wavelength of 660nm is shown in fig. 10.
Example 4 the same eye-shielding illumination method as in example 1 was used.
Example 5
Example 5 the same LED eye-protecting lighting device as in example 1 was used.
The low color temperature high-color-rendering-index white light source group, the high color temperature high-color-rendering-index white light source group, and the single wavelength red light source group are the same as in example 1. The difference is that the illumination light source also comprises a far infrared light source module, comprising 6 far infrared lamp beads. As shown in FIG. 11, the effective wavelength band of the far infrared light source has a wavelength of 4 μm to 25 μm, and the luminance value of the far infrared light source is 300 Lux. In the illumination process, the high-definition white light source and the single-wavelength red light source adopt the same illumination mode as that of the embodiment 1, and in the embodiment 5, the brightness value of the far-infrared light source is kept unchanged and the single-wavelength red light source is used for synchronous illumination.
Comparative example 1
Compared with the embodiment 1, the illumination method is changed into the common LED light source illumination method, and the illumination method which is the same as the embodiment 1 is adopted instead of the high-definition white light source.
The approximation degree of the common LED light source and the natural spectrum with the same color temperature is 50%, and the optical power of 640-650 nm is 0.65; the optical power of 650-660 nm is 0.44; the optical power of 660-670 nm is 0.36; the optical power of 670-700 nm is 0.21.
Comparative example 2
Compared with the embodiment 1, in the comparative example 2, only the high-definition white light source is used as the illumination light source, and in the illumination process, the color temperature is illuminated by adopting the highest color temperature value, so that the static state is unchanged.
Comparative example 3
The same illumination device as in embodiment 1 was used as compared with embodiment 1. In the illumination process, the high-display white light source adopts low-color-temperature illumination and is kept unchanged all the time; the brightness value of the red light source is 900 Lux and is unchanged all the time.
Comparative example 4
Compared with the embodiment 1, the same lighting device as the embodiment 1 is adopted, and the specific method in the lighting process is as follows:
step 1, controlling I1 to be 0% of the minimum current output, I2 to be 95% of the current output, and the ratio of I1 to I2 to be 0:95%, maintaining the highest color temperature value 5600K, and illuminating for 15s; in the same time period, controlling I3 to be 50% of the maximum output current, and synchronously illuminating for 15s by keeping a 50% brightness value of 450 Lux for a single-wavelength red light source;
step 2, reducing the highest color temperature value to 2700K from the lowest color temperature value within 0.3s so as to obviously change the light color of the surface of the illuminated object, and keeping illumination for 3s; at this time, I1 was 100%, I2 was 0%, and the ratio of I1 and I2 was 100%:0; meanwhile, the single-wavelength red light source gradually rises to 100% brightness value within 0.3s, and at the moment, I3 is the maximum output current, namely 100%, and illumination is kept for 3s;
Step 3, after that, the lowest color temperature value is 2700K within 0.3s, and the color temperature value rises to the highest color temperature value 5600K; in the same time period, the single-wavelength red light source gradually reduces the brightness value by 50%;
and 4, repeating the steps from the step 1 to the step 3, and circularly illuminating.
Comparative example 5
Compared with the embodiment 1, the same lighting device as the embodiment 1 is adopted, and the specific method is as follows:
step 1, controlling I1 to be 0% of the minimum current output, I2 to be 95% of the current output, and the ratio of I1 to I2 to be 0:95%, maintaining the highest color temperature value 5600K, and illuminating for 15s; in the same time period, controlling I3 to be 50% of the maximum output current, and synchronously illuminating for 15s by keeping a 50% brightness value of 450 Lux for a single-wavelength red light source;
step 2, reducing the highest color temperature value to 2700K from the highest color temperature value within 1.8s so as to obviously change the light color of the surface of the illuminated object, and keeping illumination for 3s; at this time, I1 was 100%, I2 was 0%, and the ratio of I1 and I2 was 100%:0; meanwhile, the single-wavelength red light source is gradually increased to 100% brightness value within 1.8s, and at the moment, I3 is the maximum output current, namely 100%, and illumination is kept for 3s;
step 3, after that, the lowest color temperature value is 2700K within 1.8s, and the color temperature value rises to the highest color temperature value 5600K; in the same time period, the single-wavelength red light source gradually reduces the brightness value by 50%;
And 4, repeating the steps from the step 1 to the step 3, and circularly illuminating.
Comparative example 6
Comparative example 6 in comparison with example 1, only a high-index white light source was used as the illumination light source, and the illumination method of the high-index white light source was exactly the same as that of example 1 in the illumination process.
Comparative example 7
Comparative example 7 in comparison with example 1, only a single-wavelength red light source was used as the illumination light source, and the illumination method of the single-wavelength red light source was the same as that of example 1 during illumination.
Comparative example 8
Comparative example 8 used the same high-index white light source and single-wavelength red light source as in example 1, except that the illumination method of the high-index white light source was the same as in example 1, and the single-wavelength red light source had a luminance value of 900 Lux throughout the illumination process.
Comparative example 9
Comparative example 9 used the same high-index white light source and single-wavelength red light source as in example 1, except that the single-wavelength red light source was illuminated by the high-index white light source as in example 1, as follows.
The method comprises the following steps:
step 1, controlling I1 to be 0% of the minimum current output, I2 to be 95% of the current output, and the ratio of I1 to I2 to be 0:95% maintaining the highest color temperature value 5600K, and illuminating for 14s; in the same time period, I3 is the maximum output current, namely 100%, and the single-wavelength red light source keeps a brightness value of 900 Lux of 100% for synchronous illumination for 114s;
Step 2, reducing the highest color temperature value to 2700K from the lowest color temperature value within 1s so as to obviously change the light color of the surface of the object to be illuminated, and keeping illumination for 3s; at this time, I1 was 100%, I2 was 0%, and the ratio of I1 and I2 was 100%:0; meanwhile, the single-wavelength red light source gradually drops to a 50% brightness value of 450 Lux within 1s, and at the moment, I3 is the maximum output current, namely 50%, and illumination is kept for 3s;
step 3, after that, the lowest color temperature value is 2700K within 1s, and the color temperature value rises to the highest color temperature value 5600K; in the same time period, the brightness value of the single-wavelength red light source rises to 100% brightness value within 1 s;
and 4, repeating the steps from the step 1 to the step 3, and circularly illuminating.
Test 1
In a certain area of Sichuan, 100 primary students are taken as test objects, and factors such as male specific sex proportion, age, myopia and non-myopia distribution of 100 participators have statistical significance, are basically balanced in all aspects and have comparability.
The same 100 testers were invited to enter 14 classrooms at half a month simultaneously, and the same number of example 1-example 5 and comparative example 1-comparative example 9, and the corresponding illumination methods were installed in the same positions in the 14 classrooms.
In 14 classrooms, 100 testers continuously see journal journals for 2.5 hours, and the whole eye using process is not disturbed.
After 2.5 hours, subjects scored eye fatigue, eye fatigue was low and eye comfort was high
The score was high, and a score of 0 to 10 was set, wherein a score of 10 was high for eye comfort, a score of 0 was poor for eye comfort, and the higher the score was, the higher the eye comfort was, and the test results are shown in table 1.
Test 2
In a certain area of Sichuan, 80 young people 18 years old to 44 years old are used as test objects, 80 is the factors of sex ratio, age, myopia, non-myopia distribution and the like of participators, and the factors have statistical significance, are basically balanced in all aspects and have comparability.
The same 80 testers were invited to enter 14 classrooms at half a month simultaneously, and the same number of example 1-example 5 and comparative example 1-comparative example 9, and the corresponding illumination methods were installed in the same positions in the 14 classrooms.
In 14 classrooms, 80 testers continuously see journal journals for 2.5 hours, and the whole eye using process is not disturbed.
After 2.5 hours, subjects scored eye fatigue, eye fatigue was low and eye comfort was high
The score was high, and a score of 0 to 10 was set, wherein a score of 10 was high for eye comfort, a score of 0 was poor for eye comfort, and the higher the score was, the higher the eye comfort was, and the test results are shown in table 1.
Test 3
In a certain area of Sichuan, 80 middle-aged people with 45 years to 59 years are tested, 80 is the factors of sex ratio, age, myopia, non-myopia distribution and the like of participators, has statistical significance, and basically balances all aspects and has comparability.
The same 80 testers were invited to enter 14 classrooms at half a month simultaneously, and the same number of example 1-example 5 and comparative example 1-comparative example 9, and the corresponding illumination methods were installed in the same positions in the 14 classrooms.
In 14 classrooms, 80 testers continuously see journal journals for 2.5 hours, and the whole eye using process is not disturbed.
After 2.5 hours, subjects scored eye fatigue, eye fatigue was low and eye comfort was high
The score was high, and a score of 0 to 10 was set, wherein a score of 10 was high for eye comfort, a score of 0 was poor for eye comfort, and the higher the score was, the higher the eye comfort was, and the test results are shown in table 1.
Test 4
In a certain area of Sichuan, 60 old people who are 65 years old to 80 years old test objects, 60 is the factors such as the male specific sex proportion, age, myopia and non-myopia distribution of participators, and the like, has statistical significance, basically balances all aspects and has comparability.
The same 60 testers were invited to enter 14 classrooms at half a month simultaneously, and the same number of example 1-example 5 and comparative example 1-comparative example 9, and the corresponding illumination methods were installed in the same positions in the 14 classrooms.
In 14 classrooms, 60 testers continuously see journal journals for 2.5 hours, and the whole eye using process is not disturbed.
After 2.5 hours, subjects were scored for eyestrain and the average score was calculated after removing the maximum and minimum values. The eye comfort level is high, the eye fatigue level is low, the eye comfort level is high, and a standard of 0 to 10 points is set, wherein 10 points are high, 0 points are poor, and the eye comfort level is higher as the eye comfort level is higher, and the test result is shown in table 1.
TABLE 1
From the test results of table 1, the technical scheme of the invention is adopted in embodiments 1-3, the eye fatigue relieving score can reach 9.0 for people of all ages, meanwhile, the high-definition white light source and the single-wavelength red light source are used as illumination light sources, the illumination light sources and the light source brightness value changing method in the illumination process are adjusted in a targeted manner, the brightness is changed in a simulated state under the excellent illumination of the light sources, the active eye axis adjusting function of the human eyes is reset, the optically perceived light color imaging is adjusted, the eye ciliary muscle of the eyes is reduced to pull the eyeballs forwards, the eye axis changing quantity is controlled, and the effects of protecting the eyes and relieving the eye fatigue can be achieved for people of all ages under the combined action, so that unexpected technical effects are achieved. Example 4 optimizes the wavelength band of the single-wavelength red light source, and the effect is obvious. Example 5 added far infrared light source, also has better effect of relieving eye fatigue. Comparative example 1-comparative example 9 the effect of relieving eye fatigue was remarkably reduced without using the high-definition white light source of the present application or without using the illumination method of the present application, and particularly, it was found that the eye development of teenagers in junior middle school age stage was different from that of adult human eyes, and the eye protection effect of the high-definition white light source + illumination method was remarkably reduced for adults in various age groups other than teenagers in junior middle school age stage.
The invention provides a vision protection illumination method, which adopts a high-definition white light source with high fitting natural light and a single-wavelength red light source as illumination light sources, wherein the wavelength of the red light effective wave band generated by the single-wavelength red light source is at least one wavelength of 600 nm-700 nm, and the high-definition white light source provides excellent light sources and has higher similarity with the natural light, so that the eye illumination environment is more similar to the natural illumination environment, and the adaptability of human eyes is stronger under the illumination condition of the high-definition white light source and is in a natural relaxation state, and the eye fatigue can be improved. Meanwhile, the single-wavelength red light source is used as an enhanced auxiliary light source, synchronous dynamic illumination is adopted in the illumination process of the single-wavelength red light source, the optically perceived photochromic imaging is regulated, the eye ciliary muscle of the eye is reduced to pull the eyeball forwards, and the change amount of the eye axis is controlled; the dynamic illumination of the red light is matched with the illumination environment of the high-display-index white light source to control the change quantity of the eye axis, so that people of all ages can achieve the effects of protecting eyes and relieving eye fatigue.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (18)

1. A vision protection illumination method is characterized in that a high-color-rendering white light source and a single-wavelength red light source are adopted as illumination light sources; the single-wavelength red light source is a single-wavelength red light source, and the wavelength of the generated red light effective wave band is at least one wavelength of 600 nm-700 nm; the color rendering index of the high-color-rendering white light source is more than 90;
in the illumination process, high-display means that the color temperature of the white light source is static unchanged or the color temperature is dynamically changed for illumination; meanwhile, the single-wavelength red light source adopts brightness dynamic change illumination;
the dynamic illumination of red light brightness comprises the following steps that firstly, a brightness value below 50% is maintained, then the brightness value is increased to 100% within 0.7-1.2 s, illumination is maintained for a proper time, and then the brightness value below 50% is reduced within 0.7-1.2 s, and the cyclic illumination is repeated;
when the brightness of the red light rises, the color temperature of the white light source is unchanged or the color temperature synchronously drops; when the brightness of the red light is reduced, the high-display means that the color temperature of the white light source is unchanged or the color temperature is synchronously increased.
2. A method of illumination for visual protection according to claim 1, wherein the single wavelength red light source produces red light in an effective wavelength band having at least one wavelength of 630nm to 700 nm.
3. A method of illumination for visual protection according to claim 2, wherein the single wavelength red light source produces red light in an effective wavelength band having at least one of a wavelength range of 630nm to 670 nm.
4. A method of illumination for visual protection according to claim 1, wherein the color temperature value of the high-index white light source remains unchanged during illumination; at the same time, the method comprises the steps of,
the single wavelength red light source adopts dynamic brightness illumination, and specifically comprises the following steps:
step 1, maintaining a brightness value below 50%, and illuminating for 9-14 s;
step 2, rising to 100% brightness value within 0.7 s-1.2 s; maintaining illumination for 3 s-7 s;
step 3, the brightness value is reduced to a brightness value below 50% within 0.7-1.2 s;
and 4, repeating the steps from the step 1 to the step 3, and circularly illuminating.
5. A method of illumination for visual protection according to claim 1, comprising the steps of:
step 1, maintaining the highest color temperature value of a high-definition white light source, and illuminating for 9 s-14 s; in the same time period, the single-wavelength red light source keeps a brightness value below 50% for synchronous illumination;
step 2, the high-definition white light source is reduced to the lowest color temperature value from the highest color temperature value within 0.7-1.2 s; in the same time period, the single-wavelength red light source gradually rises to 100% brightness value; then the high-display-index white light source and the single-wavelength red light source synchronously keep illumination for 3 s-4 s;
Step 3, after the high-definition white light source, the lowest color temperature value is increased to the highest color temperature value within 0.7-1.2 s; in the same time period, the single-wavelength red light source gradually drops to a brightness value below 50%;
step 4, respectively repeating the steps from the step 1 to the step 3 by using a high-display-index white light source and a single-wavelength red light source to perform cyclic synchronous illumination;
wherein the difference between the highest color temperature value and the lowest color temperature value is not less than 600K.
6. The method according to claim 5, wherein in step 1, the single-wavelength red light source is used for maintaining 20% -50% brightness value and the high-index white light source is used for synchronous illumination.
7. A method of illumination for visual protection according to claim 5, wherein in step 1, the illumination time of the high-index white light source and the single-wavelength red light source is 9s to 12s.
8. The method according to claim 5, wherein in the step 2, the color temperature value change time of the white light source with high light rendering index and the luminance value change time of the red light source with single wavelength are 0.8 s-1.1 s, and the illumination time for synchronously keeping the luminance unchanged is 3 s-4 s.
9. A method of illumination for visual protection according to claim 5, wherein in step 3, the time between the color temperature value changes of the white light source with high light rendering index and the time between the brightness value changes of the red light source with single wavelength is 0.8s to 1.1s.
10. A method of illumination for visual protection according to claim 1, wherein the illumination source further comprises a far infrared light source having an effective wavelength band of 4 μm to 25 μm; in the illumination process, the brightness value of the far infrared light source is kept unchanged and is synchronously illuminated with the single-wavelength red light source.
11. A method of illumination for visual protection according to claim 10, wherein the effective wavelength band of the far infrared light source has a wavelength of 8 μm to 14 μm; the brightness value of the far infrared light source is 300 Lux-600 Lux.
12. A lighting device used in the visual protection lighting method as claimed in any one of claims 1 to 11, comprising a control module, a driving power module, a high-index white light source group module and a single-wavelength red light source group module;
the high-color-rendering-index white light source module comprises a low-color-temperature high-rendering-index white light source group and a high-color-temperature high-rendering-index white light source group, and the red light source module comprises a single-wavelength red light source group;
the driving power supply module is respectively and electrically connected with the low-color-temperature high-display-index white light source group, the high-color-temperature high-display-index white light source group and the single-wavelength red light source group; the control module is used for simultaneously providing a proportion signal of the current I1 of the low-color-temperature high-color-rendering-index white light source group and the current I2 of the high-color-temperature high-color-rendering-index white light source group and a current I3 of the single-wavelength red light source group for the driving power supply module; the driving power supply module is used for generating driving currents I1, I2 and I3 according to the received proportional relation signal of the current I1 and the current I2 and the current I3 size signal so as to respectively drive the low-color-temperature high-display-index white light source group, the high-color-temperature high-display-index white light source group and the single-wavelength red light source group, and therefore the color temperature of the high-display-index white light source is adjusted, and the brightness of the single-wavelength red light source group module is changed.
13. A lighting device as recited in claim 12, wherein said group of single-wavelength red light sources comprises at least two single-wavelength red light sources having different red light effective wavelength bands; at least two single-wavelength red light sources with different red light effective wave bands are connected in parallel, and the current intensities are unequal; the control module is used for simultaneously providing different current magnitude signals of all the single-wavelength red light sources for the driving power module, and the driving power module is used for producing driving currents with different magnitudes according to the received different current magnitude signals of all the single-wavelength red light sources to correspondingly drive the different single-wavelength red light sources respectively, so that the illumination brightness change of the single-wavelength red light source group is realized.
14. A lighting device as recited in claim 12, wherein said control module comprises a light sensor.
15. A lighting device as recited in claim 12, wherein said group of low color temperature high color rendering index white light sources is formed by a plurality of low color temperature high color rendering index white light sources connected in series, parallel or series-parallel, and said group of high color temperature high color rendering index white light sources is formed by a plurality of high color temperature high color rendering index white light sources connected in series, parallel or series-parallel.
16. A lighting device as recited in claim 15, wherein said low color temperature high-definition white light source group has a color temperature value and said high color temperature high-definition white light source group has a color temperature value of two different color temperature values of 2700K-5600K.
17. A lighting device as recited in claim 16, wherein said low color temperature high-definition white light source group has a color temperature value and said high color temperature high-definition white light source group has a color temperature value which is at any two of a range of from 2700K to 3000K, from 4000K to 4200K, from 4700K to 5200K, and from 5500K to 6000K, respectively.
18. Use of a visually protected lighting method according to any one of claims 1-11 in panel lamps, desk lamps, ceiling lamps, floor lamps, down lamps, PAR and spot lamps.
CN202311210426.5A 2023-09-19 2023-09-19 Lighting method and lighting device for vision protection and application Pending CN117346107A (en)

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